electrically heated smoking system and method of operating said system

专利摘要:
ELECTRICALLY HEATED SMOKING SYSTEM UNDERSTANDING AT LEAST TWO UNITS. The present invention relates to an electrically heated smoking system comprising a secondary unit capable of receiving a smoke article having an aerosol-forming substrate. The secondary unit comprises at least one heating element and an interface for connection to a primary power supply. The secondary unit further comprises a secondary power supply and secondary circuit. The secondary circuit is arranged to control the supply of electrical energy from the secondary energy supply to at least one heating element in a preheat mode during which the temperature of the aerosol forming substrate is increased to an operating temperature, to control the electricity supply from the secondary energy length to the at least one heating element in a smoking mode, during which the temperature of the aerosol forming substrate is maintained substantially at the operating temperature, and to control the charging of the secondary power supply by the primary power supply, in a charging mode, so that the secondary power supply is sufficiently charged to (...).
公开号:BR112013012126B1
申请号:R112013012126-2
申请日:2011-11-18
公开日:2020-12-29
发明作者:Felix Fernando；Marc-Robert Chemla；Fredrik Stahle
申请人:Philip Morris Products S.A；
IPC主号:

专利说明:

[0001] The present invention relates to an electrically heated smoking system having a unit for receiving a smoking article, wherein the unit includes a secondary power supply and the unit is connectable to a power supply primary.
[0002] A number of prior art documents disclose electrically operated smoking systems having a number of advantages. An advantage is that they significantly reduce smoke from flowing sideways, while allowing the smoker to selectively activate the smoking system during the smoking experience. The electrically operated smoking systems of the prior art typically include a housing to receive a smoking article, heating elements to generate an aerosol, a power source and the necessary electronic circuit. The circuit can be activated manually or by inserting a cigarette in the housing, and can limit the operation of the heating elements to a predefined period of time.
[0003] Some of the electrically operated smoking systems of the prior art, however, have disadvantages. It can be advantageous if the devices could be made smaller and more convenient for the user, so that the size was approximately that of a cigarette with the end lit and the device could be held between a user's fingers in a similar way to a cigarette with the end lit. Therefore, it is an object of the invention to provide an improved electrically heated smoking system.
[0004] According to a first aspect of the invention, an electrically heated smoking system is provided comprising a secondary unit capable of receiving a smoking article having an aerosol forming substrate, the secondary unit comprising: at least a heating element; an interface for connecting to a primary power supply; a secondary power supply to supply electricity to at least one heating element; and secondary circuit arranged to control the supply of electrical energy from the supply of secondary energy to at least one heating element in a preheat mode, during which time the temperature of the aerosol forming substrate is increased to a operating temperature, to control the electricity supply from the secondary energy supply to at least one heating element in a smoking mode, during which time the temperature of the aerosol forming substrate is maintained substantially at the operating temperature, and control the loading of the secondary energy supply by the primary energy supply, in a charging mode, so that the secondary energy supply is sufficiently charged to increase the temperature of the aerosol forming substrate to the temperature of operation in preheat mode and maintain the temperature of the aerosol forming substrate substantially at the temperature of operation during smoking mode.
[0005] The secondary unit is designed to receive a smoking article and be retained by a user during the smoking experience. The power supply in the slave unit heats the aerosol forming substrate to the operating temperature before starting to smoke. The power supply in the secondary unit also maintains the temperature of the aerosol-forming substrate during the smoking experience. The secondary unit connects to a primary power supply. The primary power supply is used to charge the secondary power supply during charging mode when the secondary unit is not in use. The primary energy supply can form part of a primary unit, which is separate from the secondary unit.
[0006] By providing a secondary power supply at the secondary unit and a separate external primary power supply (ie, dividing the power supply for the smoking system between a primary power supply and a power supply secondary unit), the size of the secondary unit can be reduced. The secondary unit is preferably only slightly larger than the smoking article. The secondary unit is preferably of a size similar to or slightly larger than a cigarette with a lighted end. Thus, the secondary unit can be held between the user's fingers in a similar way to a cigarette with the end lit.
[0007] Preferably, the secondary circuit is arranged to determine whether the secondary power supply is sufficiently charged to raise the temperature of the aerosol forming substrate to the operating temperature in the preheat mode and to maintain the temperature of the aerosol forming substrate. aerosol formation substantially at the operating temperature during smoking mode, based on a calculation of an estimate of the electrical energy required for both heating mode and smoking mode.
[0008] The calculation can be based on one or more of a pre-specified number of puffs to be taken by a user while smoking; the electrical energy required for the preheat mode; and specific consumer information on how to smoke.
[0009] The calculation can be performed by the secondary circuit. The pre-specified number of puffs can be approximately equal to the typical number of puffs to be taken by one when smoking a cigarette with the end lit. Specific consumer information can include collected and stored energy consumption information. The energy consumption information may depend on the current consumer, for example, the strength and extent of the consumer's puffs, in order to give the pre-specified number of puffs. The energy consumption information is preferably stored on the secondary unit. This can be advantageous as long as the secondary circuit is arranged to control the power supply during charging mode. The energy consumption information, alternatively, can be stored in the primary unit. The energy consumption information can be transferred to the primary unit from the secondary unit. The interface for connecting to the primary power supply allows power to be supplied from the primary power supply to the secondary unit during charging mode. The interface also allows the secondary circuit to control the power supply during charging mode. For these purposes. The connection can be a wired connection such as a Universal Serial Bus (USB) connection or coaxial cable. The USB connection is advantageous because a USB communications link provides bidirectional communication and also a power link (usually 5 V).
[00010] The interface can, alternatively, or, in addition, facilitate other functionality and aspects for the smoking system. To that end, the connection can be a wired connection (such as a USB connection) or a wireless connection (such as a Bluetooth connection). Preferably, the interface facilitates bidirectional communication between the secondary unit and an intelligent device or host that has its own computing capacity and is capable of acting as the primary power supply. This can allow data to be downloaded from the smart device or host.
[00011] Preferably, the connection operates under an interface standard. An interface standard is a standard that describes one or more functional characteristics, such as code conversion, line assignments or in accordance with the protocol, or physical characteristics, such as electrical, mechanical or optical characteristics, necessary for allow the exchange of information between two or more systems or pieces of equipment. Examples of appropriate interface patterns for the communications link include, but are not limited to, the Recommended Standard 232 (RS-232) family of standards; USB; Bluetooth; FireWire (a brand name from Apple, Inc. for its IEEE 1394 interface), IrDA (Infrared Data Association - a communication standard for short-range exchange of data by Infrared light); Zigbee (a report based on the IEEE 802.15.4 standard for wireless personal area networks) and other Wi-Fi standards.
[00012] Preferably, the secondary circuit is programmable. The secondary circuit can be programmable so that the secondary unit can be customized for the individual user's smoking behavior. For example, the secondary circuit may be programmable to adjust the electricity supplied to at least one heating element during smoking mode based on the particular user using the secondary unit, the particular smoking article contained in the secondary unit or both .
[00013] The primary power supply can be located on a personal smart device or host such as a computer. The host can be a personal computer. The personal computer can be a desktop computer. The personal computer can be a laptop computer or a notebook computer. The personal computer can be a tablet computer such as a Personal Digital Assistant (PDA), a Personal Information Device (PID), a Portable Media Player (PMP, such as an Aple, Inc. iPod® or a Portable Video Player (PVP) The host can be a mobile cell phone.
[00014] The primary energy supply may simply be an external energy source such as the commercial energy supply (also known as electrical grid energy, household appliance energy, household energy, wall energy or utility energy). grid). That is, the secondary unit interface can be connected to a wall outlet. The primary power supply can be a vehicle power supply, for example, a car. That is, the interface on the slave unit can be plugged into an outlet while charging a vehicle.
[00015] In a preferred embodiment, the electrically heated smoking system further comprises a primary unit comprising the primary energy supply and the primary circuit. In this modality, by providing a primary power supply on the primary unit and a secondary power supply on the secondary unit (that is, dividing the power supply between the primary and secondary units), the size of the secondary unit can be In addition, in some embodiments, all the components required for the smoking experience can be contained in a single unit of a size and shape similar to a pack of lit cigarettes at the end.
[00016] In the modality that includes a primary unit, the calculation of an estimate of the electric energy required for both the preheating mode and for the smoking mode can be performed by the primary circuit. In the mode including a primary unit, the interface on the secondary unit can be for connection to the primary unit only, or to the primary unit and another external unit.
[00017] In the modality that includes a primary unit, the supply of an electrical energy from the secondary energy supply to at least one heating element during the preheat mode, can be partially controlled by the primary circuit in the unit primary, in addition to the secondary circuit on the secondary unit.
[00018] In one embodiment, the primary unit comprises an interface for connecting to an external power supply to supply electricity to the primary power supply. The interface on the primary unit can allow power to be supplied from an external power supply to the primary power supply during preheat mode, during charging mode, during smoking mode, when the smoking is not in use or in any combination of these times. For this purpose, the connection can be a wired connection such as a USB connection or coaxial cable. The external power supply can simply be a source of energy just like the commercial power supply.
[00019] Preferably, the primary circuit is programmable. If the primary power supply is chargeable by an external power supply, the primary circuit preferably controls the charging of the primary power supply. If the primary unit includes an interface for connection to an external host, preferably the communication of primary circuit controls between the primary unit and the external host.
[00020] In a modality that includes a primary unit, the electrically heated smoke system comprises one, and only one secondary unit. Such a modality is advantageous since it is designed for a single user. In a preferred embodiment, the primary unit comprises storage medium for the single secondary unit, to form a single compact unit. Preferably, the single compact unit is easily transportable by the user.
[00021] In an alternative modality that includes a primary unit, the electrically heated smoking system comprises two, and only two secondary units. Such a modality is advantageous since it is designed to be shared by two users. In a preferred embodiment, the primary unit comprises storage medium for two secondary units to form a single compact unit. In a preferred embodiment, the primary unit comprises a first module for receiving a first secondary unit and a second module for receiving a second secondary unit. Each module can include some or all of the functionality of the primary unit.
[00022] In an alternative embodiment that includes a primary unit, the electrically heated smoking system comprises more than two secondary units. Such a modality is advantageous since it is designed to be shared by a plurality of users. In one embodiment, the primary unit comprises storage medium for the plurality of secondary units. In another embodiment, the primary unit includes a plurality of docking ports for receiving the respective secondary units for connection during charging mode and, optionally, during preheating mode.
[00023] When the electrically heated smoking system comprises two or more secondary units, the primary unit may include a plurality of connectable modules, each module including an anchorage port for a respective secondary unit. This allows two or more users to form a single primary unit comprising a shelter or chain of modules.
[00024] Preferably, the primary unit includes medium for one or more secondary units. This is advantageous since the primary unit and the secondary unit, when not in use, can form a single compact system that can be easily transported. The single compact system can be of a size and shape similar to a pack of cigarettes to light at the end. In a modality, each secondary unit can be removably attached to one side of the primary unit. In another modality, each secondary unit is acceptable in a respective anchoring cavity in the primary unit. The secondary units can be storable in the storage medium when a smoking article is contained in the secondary unit. Alternatively, the secondary units can be stored in the storage medium when a smoking article is not contained in the secondary unit. The storage medium can also provide a means to connect the primary unit and the secondary unit to charge the secondary power supply.
[00025] Preferably, the primary unit includes storage means for at least one smoking article. The storage medium can include storage for used smoking articles, unused smoking articles, or both. This is advantageous since the primary unit and the secondary unit together provide all the components required for smoking. In a modality in which one or more secondary units are storable in the storage medium and where the primary unit includes storage for at least one smoking article, all components required for the smoking experience can be contained in one unique compact system. The single compact system can be a size and shape similar to a cigarette pack to light on the end. In addition, or alternatively, the secondary unit may be able to store a smoking article when not in use. For the avoidance of doubt, the term “storage medium” is used in this document to indicate storage for one or more secondary units, storage for one or more smoking articles, or storage for both secondary units and articles smoking.
[00026] In a preferred embodiment, the primary unit comprises a base portion and a lid portion connected to the base portion, the lid portion covering some or all of the base portion when closed. The cap portion can be connected to the base portion by any suitable connection. For example, the cap portion can be connected to the base portion by a hinge. Alternatively, the lid portion may be a sliding lid. For example, the primary unit may comprise a wrap portion and a slide portion arranged to slide with respect to the wrap portion. Alternatively, the cap portion can be adjusted to rub against the base portion. Alternatively, the lid portion can be screwed with the base portion.
[00027] In this embodiment, preferably the base portion of the primary unit comprises the storage space for a plurality of smoking articles and the storage space for at least one secondary unit. In that case, the lid portion can be closed in the base portion when the slave unit is stored in the base portion. Even more preferably, the lid portion can be closed in the Bse portion when the secondary unit is stored in the base portion and a smoking article is contained in the secondary unit. In a preferred embodiment, when the smoking articles and a secondary unit are stored in the base portion and the lid portion is closed, the smoking system has a size and shape similar to that of a cigarette packet to light at the end.
[00028] The primary unit may include a monitor (for example, a digital monitor) indicating information to the user. For example, the monitor can indicate the use of smoking articles, energy use or other training. The monitor can still indicate when the secondary power supply is sufficiently charged during charging mode.
[00029] The supply of electricity from the secondary power supply to at least one heating element, during smoking mode, is controlled by the secondary circuit. During the smoking mode, the secondary circuit can monitor the elapsed time of the smoking mode. The secondary unit may include a monitor (for example, a digital monitor) indicating information to the user. For example, the monitor can indicate the elapsed time, the number of puffs taken, the number of puffs remaining, or other information. The secondary circuit is preferably arranged to provide an output signal when the elapsed time is equal to a predetermined period of time. Alternatively, or in addition, the secondary circuit can monitor the time elapsed between puffs during smoking mode and provide an output signal when the elapsed time is equal to a predetermined time period, which is shorter than the predetermined period of time for smoking. In addition, during smoking mode, the secondary circuit can monitor the number of puffs taken by a user. The secondary circuit is preferably arranged to provide an output signal when the number of puffs taken is equal to a predetermined number of puffs. Thus, there are three possible modes of operation. In a first mode, the smoking mode has a predetermined maximum period of time. In a second way, the smoking mode has a predetermined maximum number of puffs. In a third mode, the mode of smoking has a predetermined maximum period of time between puffs.
[00030] As already mentioned, the secondary unit preferably has a diameter that is only slightly larger than the diameter of the smoking article. In addition, the length of the slave unit may be similar to the length of a cigarette to light at the end (for example, a cigarette having a length of between approximately 30 mm and approximately 150 mm and more preferably between approximately 70 mm and approximately 128 mm), or the slave unit may be longer or shorter. In one embodiment, the used smoking article has a diameter and length that is less than a standard cigarette to light at the standard end (for example, a cigarette with a diameter of approximately 7.9 mm and a length of approximately 85 mm) that allows the secondary unit to be a size similar to a cigarette to light at the end.
[00031] Preferably, the secondary unit is isolated. This reduces heat loss from the secondary unit and allows the aerosol-forming substrate to be maintained substantially at the operating temperature for the desired period of time. The secondary unit may comprise a base portion capable of receiving the smoking article and a cover portion for enclosing the smoking article or closing the base portion.
[00032] The aerosol-forming substrate preferably comprises a tobacco-containing material containing volatile tobacco flavor compounds that are released from the heating substrate. Alternatively, the aerosol forming substrate may comprise a non-tobacco material. Preferably, the aerosol forming substrate comprises an aerosol former. Examples of aerosol builders are glycerin and propylene glycol. The aerosol forming substrate can be a solid substrate. The solid substrate may comprise, for example, one or more of powder, granules, pellets, scraps, spaghetti, strips or daughters containing one or more of: grass leaf, tobacco leaf, tobacco rib fragments, reconstituted tobacco, tobacco homogenized, extruded tobacco and expanded tobacco. Optionally, the solid substrate may contain additional tobacco or non-tobacco flavor compounds to be released when heating the substrate. Optionally, the solid substrate can be supplied on or embedded in a thermally stable vehicle. The vehicle can take the form of dust, granules, flavors, spaghetti, strips or leaves. Alternatively, the vehicle can be a tubular vehicle having a thin layer of solid substrate deposited on its inner surface, or on its outer surface, or on both its inner and outer surfaces. Such a tubular vehicle can be formed, for example, of paper, or paper-like material, a non-woven carbon fiber mat, a low-mass open-mesh wire mesh, or a perforated metal sheet or any other thermally stable polymer matrix . The solid substrate can be deposited on the vehicle surface in the form of, for example, a sheet, foam, gel or suspension. The solid substrate can be deposited over the entire surface of the vehicle, or alternatively, it can be deposited in a pattern to provide a non-uniform aroma release during use. Alternatively, the vehicle can be a non-woven cloth or bundle of fibers into which the tobacco components have been incorporated. The non-woven cloth or bundle of fibers may comprise, for example, carbon fibers, natural cellulose fibers or fibers derived from cellulose.
[00033] The aerosol forming substrate may be a liquid substrate and the smoking article may comprise means for retaining the liquid substrate. The aerosol forming substrate may alternatively be any other type of substrate, for example, a gaseous substrate, or any combination of the various types of substrate.
[00034] According to another aspect of the invention, a primary unit is provided for the electrically heated smoking system of the first aspect of the invention, the primary unit comprising a primary power supply and primary circuit.
[00035] According to another aspect of the invention, a method of operating an electrically heated smoking system is provided comprising a secondary unit capable of receiving a smoking article that has an aerosol-forming substrate, the secondary unit comprising at least one heating element, an interface for connecting to a primary power supply, a secondary power supply, and a secondary circuit, the method comprising the steps of, during preheat mode, connecting the at least one heating element to the secondary power supply, so that the secondary power supply provides electrical energy to at least one heating element to raise the temperature of the aerosol forming substrate to an operating temperature during smoking mode by connecting the at least one heating element to the secondary power supply, so that the secondary power supply supplies electricity to o at least one heating element to maintain the temperature of the aerosol forming substrate at substantially the operating temperature, and during a charging mode, charge the secondary energy supply by the primary energy supply, so that the supply of secondary energy has sufficient charge to increase the temperature of the aerosol forming substrate to the operating temperature in the preheat mode to maintain the temperature of the aerosol forming substrate substantially at the operating temperature during the smoking mode. The method may further comprise the step of, during charging mode, determining whether the secondary power supply is sufficiently charged to increase the temperature of the aerosol forming substrate to the operating temperature in the preheat mode and to maintain the substrate temperature of aerosol formation substantially at the operating temperature during smoking mode, based on a calculation of an estimate of the electrical energy required for both the preheating mode and the smoking mode.
[00036] The calculation can be based on one or more of a pre-specified number of puffs to be taken by a user while smoking; the electrical energy required for the preheating mode; and specific consumer information regarding smoking. The calculation can be performed by the secondary circuit.
[00037] The method also comprises the step of, during the charging mode, signaling when the secondary energy supply is sufficiently charged to increase the temperature of the aerosol forming substrate to the operating temperature in the preheat mode and to maintain the temperature of the aerosol-forming substrate substantially at the operating temperature during the smoking mode.
[00038] The features described in relation to one aspect of the invention can also be applicable to another aspect of the invention.
[00039] The invention will be described further by way of example only with reference to the accompanying drawings, of which: figures 1a, 1b, 1c and 1d show four versions of a first embodiment of the present invention; figures 2a and 2b show two alternative views of a second embodiment of the present invention; figures 3a and 3b show two versions of a third embodiment of the present invention; figures 4a, 4b and 4c show two embodiments of the smoking system of the present invention in comparison to a pack of cigarettes to light at the end; figure 5 shows a graph of energy versus time during the operation of the smoking system according to a preferred modality; and figure 6 shows a flow diagram illustrating a modality of the method of the present invention.
[00040] In general, the invention does not require the primary unit, in which case the secondary unit can be a stand-alone unit that can be connected to an existing external power supply. However, as discussed above, in one embodiment, the electrically heated smoking system of the invention comprises a primary unit and one or more secondary units capable of receiving a smoking article. The primary unit includes a primary power supply and an electricity circuit. The secondary unit includes a secondary power supply, electronic circuit and at least one heating element. The primary power supply on the primary unit is used to charge the secondary power supply on the secondary unit, in charging mode. The secondary power supply in the secondary unit is used to raise the temperature of the aerosol forming substrate to an operating temperature, in the preheat mode, and to maintain the substrate temperature during the smoking experience, in the smoking mode. The required operating temperature will depend on the particular aerosol-forming substrate in the smoking article. The operating temperature is controlled by the secondary power supply, the number and type of heating elements and the structure of the secondary unit. By dividing the energy supply between the primary unit and the secondary unit, the size of the secondary unit can be reduced, so that it is only slightly larger than the smoking article. In addition, in some embodiments, all of the components required for the smoking experience can be contained in a single unit of a size and shape similar to a pack of cigarettes to light at the end. Several modalities will now be described and the characteristics described in relation to any modality can be equally applicable to any of the other modalities.
[00041] Figures 1 a, 1b, 1c and 1d each show a version of a first embodiment of the invention. In figures 1a and 1b, the primary unit is in the form of a pressed or pulled box of a size and shape similar to a standard pack of cigarettes to light at the end. Other package configurations are discussed below with reference to figure 4a. Although not expressly shown, the primary unit may be of another suitable size.
[00042] In figure 1a, the smoking system 101 comprises the primary unit 103 and the secondary unit in the form of a keeper 105. The primary unit 103 is in the form of a pressed or pulled box with a portion of base 103a and a lid portion 103b, separated by a hinge 103c. The lid portion 103b is shown open in figure 1a. The hinge 103c runs along a long edge on the top side of the base portion 103a. The retainer 105 can be stored in the base portion 103a of the primary unit 103 (as shown in figure 1a) by insertion into an anchorage port. In figure 1a, the anchor port for holder 105 is provided on one side of the base portion 103a, but the anchor port can also be provided on the opposite side of the base portion 103a. In the embodiment of figure 1a. when the holder 105 is stored in the primary unit 103, the top of the holder 105 protrudes above the top side of the base portion 103a. The lid portion 103b is, however, capable of closing over the base portion 103a when the holder 105 is stored in the primary unit 103, including when a smoking article is contained in the holder 105. Alternatively, the top portion of the holder 105 can be virtually flush with the top side of the base portion 103a. Primary unit 103 also has storage for smoking articles 107, in this case on one side of the keeper's anchor door. Another smoking article can, of course, be stored in holder 105. Although not expressly shown, the anchoring port for holder 105 can be located on either side of the base portion 103a and the storage for smoking articles 107 can be located on the opposite side of keeper 105. If the anchorage port for keeper 105 is located towards the center of the base portion 103a, the storage for smoking articles 107 can be located on one or both sides anchor door.
[00043] Furthermore, in the base portion 103a of the primary unit 103 of figure 1a, there is an interface 109 for receiving a USB plug (not shown). The USB connection can be used to charge the power supply to the primary unit, to check functionality or for other purposes where connection to a computer is required. Such a USB interface, or certainly any other suitable interface, can be included in any of the described modes. In addition, or, alternatively, a USB interface, or any other appropriate interface, can be included in a holder, although this is not shown in figure 1a. The USB connection will be discussed below.
[00044] In figure 1b, the smoking system 101 comprises the primary unit 103 'and the secondary unit in the form of detent 105'. As in figure 1a, the primary unit 103 'is in the form of a pressed or pulled box, with a base portion 103a' and a lid portion 103b ', separated by a hinge 103c'. However, in figure 1b, the hinge runs along a short edge on the top side of the base portion 103a '. The lid portion 103b 'is shown open in figure 1b. The retainer 105 'can be stored in the base portion 103a' of the primary unit 103 '(as shown in figure 1b) by insertion into an anchor port. In figure 1b, the anchorage port for the holder 105 'is provided towards the front of the base portion 103a', that is, further away from the hinge 103c ', but the anchorage port can also be provided towards the ex- rear tremor of the base portion 103a ', that is, closer to the hinge 103c', or in the center of the base portion 103a '. In the embodiment of figure 1b, when holder 105 'is stored in primary unit 103', the top of holder 105 'can be virtually flush with the top side of the base portion 103a'. The cap portion 103b 'is capable of closing over the base portion 103a', including when a smoking article is contained in the holder 105 '. Alternatively, the top of the retainer 105 'may protrude above the top side of the base portion 103a'. The primary unit 103 'also has storage for smoking articles 107', in this case, towards the rear of the base portion 103a ', that is, closer to the hinge 103c'. Another smoking article, of course, can be stored in the holder. If the anchor door 105 'is located towards the rear of the base portion 103a', the storage for smoking articles 107 'may be located at the opposite end of the holder 105', that is, towards the front of the base portion 103a ', the storage of smoking articles 107' may be located at one or both ends of the base portion 103a '.
[00045] In figure 1c, the smoking system 101 "comprises the primary unit 103" and the secondary unit in the form of keeper 05 ". The 105 ”holder can be stored in the primary unit 103” (as shown in figure 1c) by inserting it into an anchorage port. The primary unit 103 "comprises a base portion 103a" and a cap portion 103b ", separated by a hinge 103c". As in figure 1b, the joint runs along a short edge on the top side of the base portion 103a ", although the joint can run along a long edge on the top side of the base portion 103a". However, in figure 1c, the cap portion 103b ", when closed, does not cover the entire top side of the base portion 103a". The lid portion 103b ”, when closed, covers only the portion of the base unit that contains the anchorage port for the holder 105”. The lid portion 103b ”is shown open in figure 1c. As shown in figure 1c, when holder 105 "is stored in primary unit 103", the top of holder 105 "can be virtually flush with the top side of base portion 103a". Alternatively, the top of the retainer 105 "can protrude above the top side of the base portion 103a". The cap portion 103b "may be able to close over the base portion 103a" when the holder is stored in the dock or when the holder is stored in the dock and a smoking article (not shown in figure 1c ) is contained in holder 105 ”. Primary unit 103 ”can also have storage for smoking articles, although this is not shown in figure 1c.
[00046] In figure 1d, the smoking system 101 '' '' comprises the primary unit 03 '' '' and the secondary unit in the form of the holder 105 '' ''. The holder 105 ’’ ’can be stored in the primary unit 103’ ’’ (as shown in figure 1d) by insertion into an anchor port. In figure 1d, the anchor port for holder 105 '' 'is provided on one side of the base portion 103a' '', but the anchor port can also be provided on the opposite side of the base portion 103a '' ' or in the center of the base portion 103a '' '. Primary unit 103 ’’ ’and holder 105’ ’’ together form a single compact unit. In the embodiment of figure 1d, when the holder 105 ’’ ’’ is stored in the primary unit 103 ’’ ’, the top of the holder 105’ ’’ ’protrudes above the top side of the primary unit 103’ ’’. Alternatively, the top unit of holder 105 ’’ ’can be virtually flush with the top side of primary unit 103’ ’’. In the embodiment of figure 1d, the primary unit 103 '' '' has no storage for smoking articles, although a single smoking article can be stored in the holder 105 '' ''. However, additional storage for smoking articles can be provided. In addition, as in figure 1a, an interface 109 ’’ ’is provided in the primary unit 103’ ’’ to receive a USB plug (not shown).
[00047] In the mode shown in figures 1a, 1b, 1c and 1d the smoking system comprises a primary unit and a separate holder. The smoking system is designed for a single user. The keeper can be stored in the primary unit. A smoking article can be received at the holder when the holder is stored in the primary unit or when the holder is separated from the primary unit. In addition, the primary unit can provide storage for smoking articles. The storage for smoking articles can be sized to store between 1 and 20 smoking articles in any appropriate configuration. The holder and the primary unit together form a compact smoking system that can be easily carried by a user. The various characteristics of figures 1a, 1b, 1c and 1d are interchangeable.
[00048] Figures 2a and 2b show alternative views of a second embodiment of the smoking system of the invention. In figures 2a and 2b, the smoking system 201 comprises the primary unit 203 comprising a main part 203a and a separable anchor port 203b, and two secondary units in the form of holders 205a and 205b. Each holder 205a, 205b can be received in the primary unit 203. In the embodiment of figures 2a and 2b, the first holder 205a can be received in an anchor door that is integral with the main part 203a of the primary unit 203. The second detent 205b can be received at anchor port 203b, which is separate from main part 203a of primary unit 203, but can be attached to one side of main part 203 through interface 209. Alternative connections between the anchoring 203b and the main part 203a of the primary unit 203 are, of course, possible. The anchor port on main part 203a includes a recess 211a that is designed to cooperate with a protrusion 213a on the detent 205a, to hold the detent 205a on the anchor port 203. Similarly, detent 205b includes a protrusion 213b for collision. operation with a recess 211b in the anchor port 203b, which is separate from the main part 203a of the primary unit 203. In addition, the mechanism can be provided to hold a smoking article in the holder.
[00049] In figure 2a, holders 205a and 205b are shown received at their respective anchor doors, and anchor port 203b is shown separate from main part 203a of primary unit 203. In figure 2b, holders 205a and 205b are shown separately from their respective anchor doors and in use with a smoking article 207.
[00050] In the embodiment shown in figures 2a and 2b, the smoking system comprises a primary unit and two separate detectors. The smoking system is designed to be shared by two users. Alternatively, the smoking system can be used by a single user, in which case one of the holders acts as a back-up. The holder 205a can be stored directly in the main part 203a of the primary unit. The keeper 205b can be stored in the anchor door 203b which is attachable to the main piece 203a of the primary unit 203. The holders and the primary unit together form a compact smoking system. A smoking article can be received at each holder when that holder is connected to the primary unit or when the holder is separated from the primary unit. In addition, the primary unit can provide storage for smoking articles, although this is not shown in figures 2a or 2b.
[00051] Figures 3a and 3b each show a version of a third embodiment of the invention. In figure 3a, smoking system 301 comprises primary unit 303 and a plurality of secondary units in the form of detectors 305. In figure 3a, three detectors 305i, 305ii and 305iii are shown connected to the primary unit 303 and a detent 305iv is shown separate from primary unit 303. In figure 3a, primary unit 303 provides docking ports for four detectors 305, but any number of docking ports can be provided. For example, as many as 40 or 50 dock doors can be provided. In other modalities, between 2 and 10 keepers can be anchored in the primary unit 303 for loading. Primary unit 303 provides first storage 311 which can be used to store any smoking articles (used and unused) or holders, or both smoking articles and holders. Primary unit 303 also provides second storage 313 which can also be used to store any smoking items or holders, or both smoking items and holders.
[00052] In figure 3a, holders 305i and 305ii are shown anchored in primary unit 303. They are in use with a smoking article 307 and the power supply in the primary unit is being used to recharge the power supply in the holder (charging mode). Holder 305iii is also shown to be anchored in primary unit 303, but without a smoking article. The power supply in the 305iii keeper is being recharged from the power supply in the primary unit 303 charging mode. Holder 305iv is shown separate from primary unit 303 and in use with a smoking article 307. The power supply in holder 305iv is being used to preheat the smoking article substrate (during preheat mode) or maintain operating temperature of the smoking article substrate (during smoking mode).
[00053] In figure 3a, primary unit 303 is connected to an external power supply (not shown) via connection 315. The external power supply can be used to recharge the power supply in the primary unit, to supply energy to the holders to charge the holders, or any combination thereof.
[00054] In figure 3a, each docking port on primary unit 303 includes its own interface 309. This may include a monitor and a switch to initiate the preheat mode when a smoking article is received at the holder anchored to the docking port.
[00055] In figure 3b, the smoking system 301 'comprises a modular primary unit 303' and a plurality of secondary units in the form of detectors 305 '. Several configurations are shown in figure 3b.
[00056] In the first configuration, A, primary unit 303 'comprises a single module 304. Module 304 provides an anchoring port for a single keeper 305 '. In the first configuration, A, holder 305 'is shown separate from module 304 of primary unit 303' and in use with a smoking article 307. The power supply in holder 305 'is being used to preheat the subs - treatment of smoking article during preheating mode or to maintain the operating temperature of the smoking article substrate during smoking mode. Module 304 includes its own interface 309 'for its docking port and can also include storage (not shown). Primary unit 303 'is connected to an external power supply (not shown) via connection 315'.
[00057] In the second configuration, B, primary unit 303 'comprises four modules 304. Of course, any number of modules can be supplied. Again, each module 304 provides an anchoring port for a single keeper 305 '. In the second configuration, the four modules are shown connected to each other in a “shelter” formation. In shelter formation, each module can be connected to 1, 2, and, 4, 5 or 6 other modules. The connection between 304 modules can be a magnetic connection or any other appropriate type of connection. In the second configuration, B, three holders 305 'with smoking articles 307 are shown anchored in the respective modules 304 and the primary unit 303' is being used to recharge the energy supply in each holder. As in configuration A, each module 304 includes its own interface 309 'for its docking port and can also include storage (not shown). Primary unit 303 'is connected to an external power supply (not shown) via connection 315'. Note that only a single power connection is required for the primary unit 303 ', which supplies power to all 304 modules.
[00058] In the third configuration, C, the primary unit 303 'comprises four modules 304. Of course, again, any number of modules can be supplied. Again, each module 304 provides an anchorage port for a single keeper 305 '. In the third configuration, the four modules are shown connected to each other in a "chain" formation. In the chain formation, each module can be connected to only 1 or 2 other modules. The connection between the 304 modules can be a magnetic connection or any other type of substrate connection. In the third configuration, C, three detectors 305 'with smoking articles 307 are shown anchored in the respective modules 304 and the primary unit 303' is being used to recharge the power supply in each detainer. As with configurations A and B, each module 304 includes its own interface 309 'for its docking port and can also include storage (not shown). Primary unit 303 'is connected to an external power supply (not shown) via connection 315'. Note that only a single power connection is required for primary unit 303 ', which supplies power to all 304 modules.
[00059] In the modality of figure 3b, each user can have their own holder 305 ’and module 304. As users join the group, new modules are added to the configuration. As users leave the group, the modules are removed from the configuration.
[00060] In the modalities shown in figures 3a and 3b, the smoking system comprises at least one primary unit and a plurality of holders. The smoking system is designed to be used by many users. Unlike the modalities of figures 1 and 2, the smoking system shown in figure 3a cannot necessarily be transportable, and can be permanently positioned in a location accessible to a plurality of users.
[00061] Each of the modalities shown in figures 1 to 3 includes at least one primary unit and one or more secondary units. However, a primary unit does not need to be included in the smoking system. In this case, the keeper will be directly connectable to an external power source, such as an electrical power supply, or a host computer. This can be through a wired connection such as a USB connection. Connection to a vehicle loading port is also possible. In that case, the keeper will include the electronic circuit necessary to control the charging in the charging mode, and by heating the smoking article substrate in the preheating mode. Several characteristics common to all the illustrated modalities will now be described.
[00062] The power supply on the primary unit can be any appropriate power supply. The primary power supply can be charged by an external source. For example, the primary unit's power supply may be a battery, such as a lithium ion battery, lithium iron phosphate, lithium manganese, nickel cadmium or nickel metal hydride. The external source can be an external computer that can be connected to the primary unit via a connection, for example, a USB (Universal Serial Bus) connection. The external source can be the supply of electricity through an electrical cable that can be connected to the primary unit through a plug and socket. The power capacity of the primary unit's power source is preferably 3 to 6 Watts. The requirements that restrict the minimum power supply size of the primary unit are power and charging time.
[00063] The electronic circuit in the primary unit can include a microcontroller, a microprocessor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC) or any other programmable digital or analog circuit. The electronic circuit in the primary unit has a number of functions including supplying power to the primary unit from an external source. The electronic circuit can also be arranged to communicate with a host via a wired connection, for example, USB, or through a wireless connection, for example, Bluetooth to provide bi-directional data transfer between the host and the primary units and secondary. Communication between the secondary unit and the primary unit can be facilitated when the secondary unit is in an anchorage port on the primary unit or when the secondary unit is stored in the storage media on the primary unit.
[00064] As already mentioned, the primary unit can include an interface for external connection such as a USB link, or a wireless connection, such as Bluetooth. The wired connection may include a retractable cable. This can be used to charge the primary power supply. The connection can be alternatively, or, in addition, used for extra functionality. For example, when the primary unit is connected to an external computer, the operation of the system can be verified and the user can be warned when maintenance is required, for example, when the power supply of the primary or secondary unit needs to be substituted. In addition, the connection to a computer can allow the user to place an order for more smoking articles, update downloads for any software, set personal consumption targets for individual users and share information. In addition, extended capabilities can be provided, not limited to those listed above. One or both of the primary and secondary units can include a digital monitor.
[00065] The power supply in the slave unit supplies sufficient energy to the heating elements to increase the temperature of the aerosol forming substrate to an operating temperature and to keep the aerosol forming substrate of the smoking article at temperature of operation, for a predetermined period of time or the predetermined number of puffs taken during smoking mode. The power supply on the slave unit can be a battery, a supercapacitor, a fuel cell or any other appropriate power supply that can provide enough energy to keep the substrate at the working temperature for a predetermined period of time or for a predetermined number of puffs. In one embodiment, the energy supply of the secondary unit comprises a plurality of lithium ion phosphate cells. In another embodiment, the secondary unit's power supply comprises a lithium polymer battery. The predetermined period of time can be between 5 and 20 minutes. The predetermined number of puffs can be between 5 and 20 puffs. The power capacity of the secondary unit's power source is preferably 1 to 3 Watts. The requirements that restrict the minimum size of the secondary unit's power supply are the energy provided by smoking experience, charging time and cycle length (ie , how many times the power supply will need to be replaced).
[00066] As already mentioned, the secondary unit can include an interface for connecting directly to an external source. Preferably, the interface operates under an interface standard. The connection can be a wired connection such as a USB link, or a wireless connection, such as Bluetooth. Wired connection may include a retractable cable. This can be used to charge the secondary power supply. The connection can, alternatively, or, in addition, be used for extra functionality. Preferably, the connection allows the bidirectional flow of data. For example, when the secondary unit is connected to an external computer, the operation of the system can be verified and the user can be warned when maintenance is required, for example, when the power supply of the secondary unit needs to be replaced or the secondary unit needs to be cleaned. Other extended capabilities can be provided, not limited to those listed above.
[00067] The electronic circuit in the secondary unit can include a microcontroller, a microprocessor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC) or any other programmable digital or analog circuit. The secondary unit's electronic circuit works in conjunction with the primary unit's electronic circuit. Preheat mode can be initiated when a smoking article is detected on the slave unit. This can be detected by the secondary circuit or the primary circuit if the secondary unit is in connection with the primary unit. Alternatively, a user can manually initiate preheating, for example, by activating a switch on the slave unit. During smoking mode, the user can start the smoking experience and continue the puff for puff experience. The electronic circuit in the slave unit controls the heating elements to keep the substrate at the operating temperature or as close to the operating temperature as possible. The electronic circuit in the secondary unit can be arranged to track the number of puffs taken by the user, the amount of time between puffs and the amount of time the heating elements were energized. When this or that number of puffs reaches the maximum number for the smoking article (so that the smoking article is exhausted), the user does not take a puff before the predetermined time, or the predetermined period of time has expired. , but there are remaining puffs, a signal from the electronic circuit notifies the user to return the secondary unit to the primary unit. Then, if appropriate, the power supply to the slave unit can be recharged and the substrate returned to the operating temperature. In this way, the user is able to interrupt and start the smoking experience, and restart the smoking experience until the smoking article is exhausted.
[00068] In addition, the electronic circuit can identify the smoking article in the secondary unit, adjust the heating profile based on the type of smoking article and determine when the holder needs maintenance, for example, when the heating elements they need to be cleaned. The electronic circuit on the secondary unit can also allow the secondary unit to be customized for an individual's smoking behavior. For example, the duration of the smoking experience, the time of each puff, the time between puffs and the intensity of each puff can be recorded, the individual's consumption patterns can be tracked and the article of The individual's preferred smoking can be monitored. This can work in conjunction with a lock on the secondary unit that allows only a particular user to use the secondary unit.
[00069] For the electronic circuit in the secondary unit to count the number of puffs taken, the electronic circuit may include a puff sensor to feel the air flow indicative of a puff. The sensor can be any appropriate type of sensor, for example, a thermistor, an optical device, an optical-mechanical device, an electromechanical device or a micro-electro-mechanical system (MEMS) device.
[00070] The shape and size of the secondary unit will depend, to some extent, on the size and shape of the secondary unit's power supply. In principle, however, the secondary unit can be any suitable shape. Typically, the secondary unit is an elongated cylindrical unit having a size just slightly larger than the smoking article. The cross-sectional shape of the secondary unit can be round, rectangular or oval. The secondary unit may include a cover to cover the smoking article when it is received at the secondary unit, to protect the smoking article or to limit odor. The secondary unit may include a cover to cover the open end of the secondary unit. Typically, the smoking article is received in the secondary unit, approximately half the length of the smoking article protruding from the secondary unit. In other embodiments, less than half the length of the smoking article protrudes from the secondary unit.
[00071] The heating element or elements in the secondary unit can be internal or external heating elements and are shaped to more effectively heat the aerosol forming substrate. There can be a single heating element or multiple heating elements. The heating elements can be made of an electrically resistant material including, but not limited to, a metal, a metal alloy, a ceramic or semiconductor material. The most appropriate form for the heating element or elements will depend on the particular aerosol forming substrate in the smoking article. The aerosol forming substrate is preferably a solid substrate, but may alternatively be a liquid or gaseous substrate.
[00072] Preferably, the secondary unit is insulated to minimize heat loss during smoking. The better the secondary unit is isolated, the more the substrate can remain at the operating temperature, which can prolong the predetermined period of time for smoking.
[00073] Figure 4a shows a pack of cigarettes to light at the end. Figure 4b shows an embodiment of the smoking system of the present invention in which the secondary unit in the form of a detent can be stored in the primary unit. Figure 4c shows an embodiment of the smoking system of the present invention in which the holder can be stored in the primary unit, even when a smoking article is received in the holder. Figures 4a, 4b and 3c are provided to show the relative sizes of the smoking system modalities of the present invention and a pack of cigarettes to light at the end.
[00074] Figure 4a shows a 401 package for cigarettes to light at the 403 end. The bottom view in figure 4a is a side view in cross section. The top view of figure 4a is a top view in cross section. This package has a width of 55 mm, a height of 90 mm and a depth of 24 mm. Figure 4a shows an example of a cigarette pack to light at the end. Generally, cigarette packs to light at the end have a height of between about 60 mm and about 150 mm, more typically a height of between about 70 mm and about 125 mm. Generally, cigarette packs to light at the end are between about 12 mm and about 150 mm wide, more preferably between about 70 mm and about 125 mm wide. Generally, the cigarette packs to light at the end have a depth of between about 6 mm and about 100 mm, more preferably a depth of between about 12 mm and about 25 mm. Preferably, the dimensions of the packages are adapted to the length of the cigarettes, and the insertion of the cigarettes.
[00075] Cigarette packs to light at the end may be in the form of a rectangular parallelepiped, with longitudinal right angled and transverse right angled edges. Alternatively, the package may comprise one or more rounded longitudinal edges, rounded transverse edges, chamfered longitudinal edges or chamfered transverse edges, or combinations thereof. Alternatively, the package may have a rectangular cross-section, for example, polygonal such as triangular or hexagonal, or oval, semioval, circular or semicircular. Packets can be used to pack smoking articles including, but not limited to conventional end-lit cigarettes, cigarettes and cigarillos, heated smoking articles comprising a flammable fuel element or heating source and a heating substrate. generation of aerosol (for example, cigarettes of the type disclosed in US-A-4.74.082) and smoking articles for use with electrical systems (for example, cigarettes of the type disclosed in US-A-5,692,525).
[00076] Through an appropriate choice of the dimensions of the same, the packages can be designed to retain different total numbers of smoking articles, or different arrangements of smoking articles. Packages can hold smoking articles of the same type or brand, or of different types and brands. In addition, both unfiltered smoking articles and multi-tip smoking articles can be contained, as well as smoking articles of differing length and diameter. In addition, smoking articles may differ in strength of flavor, resistance to extraction and release of total particulate material. The package may comprise more than one of the different types of smoking articles listed above.
[00077] Figure 4b shows a first embodiment of a smoking system according to the invention. The bottom view in figure 4b is a side view in cross section. The top view in figure 4b is a top view in cross section. The system comprises a primary unit 404 and a holder 407. The primary unit includes a primary energy supply in the form of battery 409, storage for smoking articles 411, and an anchor port 413 to receive the holder . The holder includes heating elements shown schematically in 415. In this embodiment, when the holder is stored in the anchoring door of the blade, the lid portion (not shown) may be closed. However, when the keeper is stored in the primary unit's anchor door with a smoking article that is received in the keeper (as shown in figure 4b), the lid portion cannot be closed. The smoking system has a width of 56 mm, a height of 95 mm and a depth of 25 mm.
[00078] Figure 4c shows a second embodiment of a smoking system according to the invention. The bottom view in figure 4c is a side view in cross section. The top view in figure 4c is a top view in cross section. The system comprises a primary unit 405 'and a holder 407'. The primary unit includes a battery 409 ’, smoking article storage 411’ and an anchor port 413 ’to receive the holder. The holder 407 'includes heating elements shown schematically at 415'. In this mode, when the keeper is stored in the primary unit's anchorage port, even with a smoking article received in the keeper (as shown in figure 4c), the lid portion (not shown) may be closed. This is because the holder 407 'has a different construction than the holder 407, in particular the heating elements are positioned differently. The smoking system has a width of 56 mm, a height of 95 mm and a depth of 25 mm.
[00079] It can be seen from figures 4a, 4b and 4c that at least two modalities of the smoking system of the present invention are of a size and shape similar to other package sizes and shapes, as described above. All components required for the smoking experience are contained in the single compact unit.
[00080] The operation of the electrically heated smoking system according to one embodiment of the present invention will now be described with reference to figure 5. Figure 5 is a graph of the energy used W and the temperature T versus time t for the preheating modes and smoking.
[00081] First, the user inserts a smoking article in the secondary unit. At this time, the secondary unit can be connected to, or separated from, the secondary unit.
[00082] Second, the secondary unit is connected to the primary unit (if not yet connected) (or an alternative power source) and the primary power supply on the primary unit begins to charge the secondary power supply on the secondary unit. The charging time will depend on the details of the smoking system, but it is not more than approximately 5 minutes in a preferred mode. The order of the first two steps can be reversed. For example, the secondary unit can be stored in or on top of the primary unit when not in use, so that the secondary power supply is fully charged and the secondary unit is ready for a user to start the smoking experience at any time. In this case, the secondary power supply in the secondary unit is loaded before a smoking article is inserted into the portable secondary unit.
[00083] Third, the secondary power supply is fully charged (this can be indicated by a signal over the primary or secondary unit), the user can start the preheat mode. At this stage, the user can remove the portable secondary unit from the primary unit or the secondary unit can remain connected to the primary unit. In addition, the preheat mode can be started before or at the same time as the charging mode begins. The preheat mode can be initiated by the user by pressing a button or flipping a switch when he or she is ready to start the smoking experience. Alternatively, the user can start the preheat mode by shaking the unit a predetermined number of times to start the preheat phase. At the start of the preheat mode at time 0 in the graph in figure 5, the secondary power supply is then connected to the heating elements in the secondary unit, under the control of the electronic circuit in the secondary unit and, optionally, the primary unit. The heating elements are energized until the substrate in the smoking article reaches the desired operating temperature T1 (for example, between approximately 150 and 250oC). During the preheat mode (shown by the shaded box in figure 5), the temperature of the substrate is quickly raised, but in a controlled mode in order to avoid overtaking. In one embodiment, a temperature sensor is located on the secondary unit. The primary unit can also include a temperature sensor. In another mode, the primary unit or the secondary unit can detect that the substrate has reached the desired operating temperature T1 after an energization period t1 has elapsed. The energization period can be between approximately 10 s and approximately 150 s. At the end of this preheating period t1 in figure 5, the electronic circuit in the secondary unit can generate a signal to indicate that the preheating period mode is complex and that the user can start the smoking experience.
[00084] Fourth, the user can now remove the portable secondary unit (with the smoking article removed) from the primary unit, if not yet removed, to start smoking. This is at time t1 in the graph in figure 5. During smoking mode, the secondary power supply in the secondary unit is used to keep the substrate at or near operating temperature T1. The heating elements provide sufficient heat to the substrate to keep the substrate at the operating temperature, thereby compensating for heat losses through the secondary unit, and how air is drawn through the secondary unit during each blow. The electronic circuit in the secondary unit records the elapsed time, the time between puffs and / or the number of puffs taken, since the portable secondary unit was removed from the primary unit at time t1.
[00085] In figure 5, three dashes in the graph are shown during smoking mode. The first solid line indicates the temperature when the secondary unit is isolated. This is the preferred mode and, as can be seen from figure 5, it keeps the substrate very close to the operating temperature T1 and energy W1. The second dotted line indicates the temperature when the slave unit is not isolated. The third dashed line indicates the temperature without any secondary power supply in the secondary unit. In this arrangement, the substrate temperature drops rapidly during smoking.
[00086] Fifth, the electronic circuit in the secondary unit either detects that the maximum number of puffs (for example, between approximately 5 and 20 puffs per smoking article) has been reached, or the maximum amount of time for smoking mode (for example, approximately 5 to 20 minutes after the user has removed the holder from the primary unit) has expired, or the maximum amount of time between puffs (for example, approximately 30 seconds to 5 minutes) has expired. This is the time t2 in the graph in figure 5. In the first case, if the electronic circuit in the secondary unit detects that the maximum puff count has reached the smoking article, the electronic circuit will interrupt the energization of the heating elements for keep the substrate at the desired operating temperature. If the maximum number of puffs was taken by the user during the smoking mode, the electronic circuit in the secondary unit generates a signal to the user indicating that the maximum number of puffs has been taken. This signal can be in the form of a monitor on the portable secondary unit (for example, indicating the number of puffs remaining), one or more indicator lights such as LEDs, which switches on and off as the puffs are taken, an audible notification such such as a horn, a silent notification such as a vibration, or any other appropriate signal. In the second case, if the electronic circuit in the secondary unit detects that the maximum amount of time for smoking mode has expired, the electronic circuit will no longer maintain the operating temperature as the substrate and will generate a signal to the user indicating that the time for smoking has expired. This signal can be any appropriate signal as described above. In the third case, if the maximum amount of time allowed for the user to take consecutive puffs has expired, the electronic circuit generates a signal to the user indicating that a puff was not taken during the allowed time. This signal can be any appropriate signal as described above. Signs may indicate that the secondary unit must be returned to the primary unit for charging.
[00087] Sixth and finally, the user can reconnect the portable secondary unit and the primary power supply and the primary unit begins to recharge the secondary power supply in the portable secondary unit again. Once the secondary energy supply in the secondary unit is fully charged, if puffs remain, the user can restart the smoking experience from the third stage. Thus, the user can start and stop the smoking experience.
[00088] As described, the embodiments of the invention provide a number of advantages. First, by dividing the system, in particular the power supply, into two portions, the size of the secondary unit can be reduced. Second, the secondary unit can facilitate the puff on demand, and the smoking experience can be started and stopped. The modalities for a single user, which have a size and shape similar to that of a pack of lit cigarettes at the end, are advantageous since there will need to be minimal interruption of the user's smoking behavior for the user to adopt the product. In addition, the user only needs to transport the single unit that provides all the components required for the smoking experience. Modalities that provide a plurality of secondary units for use by a plurality of users are advantageous as long as they facilitate social interaction. The modalities and performance can be adapted to better serve the user. Figure 6 shows a flow diagram illustrating an embodiment of the method of the present invention. Figure 6 shows an embodiment of the method for charging the secondary power supply in the charging mode. During charging mode, the secondary unit must be connected to the primary unit (or primary power supply if there is no primary unit). The charging of the secondary power supply is controlled by the secondary circuit in the secondary unit.
[00089] In the embodiment of figure 6, the determination of when the secondary energy supply is sufficiently charged is based on a calculated estimate of the electrical energy required to operate the secondary unit in both preheating and smoking modes. In the modality of figure 6, this calculation is based on three technical parameters 601, 602, 603. The first parameter 601 is a pre-specified number of puffs to be taken by a user during smoking mode. This pre-specified number of puffs is close to the number of puffs for a smoking article to light at the end. For example, the pre-specified number of puffs can be between 10 puffs and 20 puffs even more preferably 15 puffs.
[00090] The second technical parameter 602 is the electrical energy required for the preheat mode. This may depend on the physical properties of the smoking article and the aerosol-forming substrate, for example, but not limited to the density or structure of the aerosol-forming substrate. This can also depend on the power-up period to reach the desired operating temperature. The value of the second technical parameter 602 can be determined empirically, for example, by laboratory tests performed using different substrates.
[00091] The third technical parameter 603 is consumer-specific information on how to smoke, for example, but not limited to the strength of the puff and the length of the puff. Such consumer-specific information effects the electrical energy required to operate the secondary unit during a puff in smoking mode.
[00092] Typically, the first and second parameters 601, 602 are required for the calculated estimate of when the secondary power supply is sufficiently loaded. Typically, the third technical parameter 603 is preferred, but not required. One of the advantages of the secondary circuit controlling the power supply during charging mode is that the secondary circuit may have obtained specific consumer information. Therefore, consumer-specific information does not need to be transferred to the primary circuit.
[00093] In step 604, the electrical energy required for both the preheating method and the smoking mode is calculated based on the values of the three technical parameters 601, 602, 603. This calculation 603 can be based in an integration calculation or in the sum of the values for each technical parameter. Preferably, the calculation is performed by the secondary circuit, in which case the determined amount of required electrical energy must be communicated to the primary unit, in step 605, since the secondary energy supply is being recharged from the primary energy supply. The required electrical energy can be considered a minimum electrical energy.
[00094] Once the secondary energy supply is determined to have sufficient charge to increase the temperature of the aerosol forming substrate to the operating temperature in the preheat mode and to maintain the temperature of the aerosol forming substrate substantially at the temperature operating mode during smoking mode, this can be signaled to the user at step 606. For example, the primary unit or the secondary unit may indicate that the secondary unit has sufficient charge. This can be through an LED light or an LCD monitor, for example.

权利要求:
Claims (13)
[0001]
1. Electrically heated smoking system (101, 201, 301), comprising: a secondary unit (105, 205a, 205b, 305, 407) capable of receiving a smoking article (107, 207, 307, 411) having a substrate aerosol-forming means, the secondary unit comprising: at least one heating element (415); an interface for removably connecting the secondary unit to a primary power supply (409), where the interface allows the power supply from the primary power supply (409) to the secondary unit during a charge mode ; a secondary power supply to supply electricity to at least one heating element; and secondary circuit arranged: to control the supply of electrical energy from the secondary energy supply to at least one heating element (415) in a preheat mode, during which the temperature of the aerosol forming substrate is increased to a operating temperature, to control the supply of electrical energy from the secondary energy supply to at least one heating element (415) in a smoking mode, during which the temperature of the aerosol forming substrate is maintained substantially operating temperature; and to control the loading of the secondary power supply by the primary power supply (409), in a charging mode, so that the secondary power supply is sufficiently charged to increase the temperature of the aerosol forming substrate for the operating temperature in preheat mode and maintain the temperature of the aerosol forming substrate substantially at the operating temperature during smoking mode, characterized by the fact that the secondary circuit is arranged to determine whether the supply of secondary energy has sufficient charge to increase the temperature of the aerosol forming substrate to the operating temperature in the preheat mode and to maintain the temperature of the aerosol forming substrate substantially at the operating temperature during the heating mode. smoking, based on a calculation of an estimate of the electrical energy required for both preheating and smoking modes .
[0002]
2. Electrically heated smoking system (101, 201, 301), according to claim 1, characterized by the fact that the calculation is based on one or more of a pre-specified number of puffs to be taken by a user during the way of smoking; the electrical energy required for the preheat mode; and specific consumer information on how to smoke.
[0003]
3. Electrically heated smoking system (101, 201, 301) according to any of the preceding claims, characterized by the fact that the interface provides two-way communication between the secondary unit (105, 205a, 205b, 305, 407 ) and a smart device.
[0004]
4. Electrically heated smoking system (101, 201, 301), according to any of the preceding claims, characterized by the fact that it also comprises a primary unit (103, 203, 303, 405), comprising the supply of primary energy (409) and primary circuit.
[0005]
5. Electrically heated smoking system (101, 201, 301), according to claim 4, characterized by the fact that the primary energy supply (409) is chargeable by an external source.
[0006]
6. Electrically heated smoking system (101, 201, 301) according to claim 4 or 5, characterized by the fact that the primary unit (103, 203, 303, 405) comprises an interface (109, 209 ) for connection to an external power supply to supply electricity to the primary power supply (409).
[0007]
7. Electrically heated smoking system (101, 201, 301) according to any one of claims 4 to 6, characterized in that it comprises a plurality of secondary units (205a, 205b, 305).
[0008]
8. Electrically heated smoking system (101, 201, 301) according to claim 7, characterized in that the primary unit (303) includes a plurality of connectable modules (304), each module including a door anchor for a respective secondary unit (305).
[0009]
9. Electrically heated smoking system (101, 201, 301) according to any of claims 4 to 8, characterized by the fact that the primary unit (103, 203, 303, 405) includes storage medium for one or more secondary units (105, 205a, 205b, 305, 407).
[0010]
10. Electrically heated smoking system (101, 201, 301) according to any of claims 4 to 9, characterized by the fact that the primary unit (103, 203, 303, 405) includes storage medium for at least one smoking article (107, 207, 307, 411).
[0011]
11. Electrically heated smoking system (101, 201, 301) according to any of the preceding claims, characterized by the fact that the secondary unit (105, 205a, 205b, 305, 407) is insulated.
[0012]
12. Method of operating an electrically heated smoking system (101, 201, 301) comprising a primary unit (103, 203, 303, 405), comprising a primary power supply (409) and primary circuit, in which the supply of primary energy (409) is chargeable by an external source, and a secondary unit (105, 205a, 205b, 305, 407) capable of receiving a smoking article (107, 207 307, 411) having an aerosol-forming substrate, the secondary unit comprising at least one heating element (415), an interface for removably connecting the secondary unit to the primary power supply (409), where the interface allows the supply of power from the primary power supply (409) for the secondary unit during a charge mode, a secondary power supply and secondary circuit, the method characterized by the fact that it comprises the steps of: charging the primary power supply (409) through an external source; during a preheat mode, connect at least one heating element (415) to the secondary energy supply, so that the secondary energy supply supplies electricity to at least one heating element (415) to increase the temperature of the aerosol forming substrate an operating temperature; during a smoking mode, connect at least one heating element (415) to the secondary power supply, so that the secondary energy supply supplies electrical energy to at least one heating element (415) to maintain the temperature of the aerosol forming substrate at substantially the operating temperature; and during charging mode, charge the secondary power supply via the primary power supply (409), so that the secondary power supply is sufficiently charged to increase the temperature of the aerosol forming substrate to the operating temperature in the preheat mode and maintain the temperature of the aerosol-forming substrate substantially at the operating temperature during smoking mode, and determine whether the secondary power supply is sufficiently charged to increase the temperature of the aerosol-forming substrate to the temperature of operation in the preheat mode and maintain the temperature of the aerosol forming substrate substantially at the operating temperature during the smoking mode, based on a calculation of an estimate of the electrical energy required for both the preheat mode as how to smoke.
[0013]
13. Method of operating an electrically heated smoking system (101, 201, 301), according to claim 12, characterized by the fact that it also comprises the step of, during the charging mode, signaling when the Secondary power supply is sufficiently charged to increase the temperature of the aerosol-forming substrate to operating temperature in the preheat mode and to maintain the temperature of the aerosol-forming substrate substantially at the operating temperature during the smoking mode.

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法律状态:
2018-12-18| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|

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2019-08-06| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|

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2020-05-05| B06A| Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]|

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2020-10-20| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|

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2020-12-29| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/11/2011, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

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申请号 | 申请日 | 专利标题

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EP10251966.7|2010-11-19|

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EP10251966A|EP2454956A1|2010-11-19|2010-11-19|An electrically heated smoking system comprising at least two units|

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PCT/EP2011/005829|WO2012065754A2|2010-11-19|2011-11-18|An electrically heated smoking system comprising at least two units|

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