• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a cooking table (1) comprising: - at least two zones (2, 3, 4, 5) of heating for supporting one or more communicating electronic articles (20, 21, 22, 23) communicating with one another; intermediate of a communication module (24); - a control unit (6) connected to the at least two heating zones (2, 3, 4, 5); - A communication device (7) integrated in the cooking table (1). The control unit (6) is activated so as to consecutively supply at least two of the heating zones (2, 3, 4, 5) for a duration T0 when the communication device (7) receives an activation signal SA or when the communication device (7) no longer receives a confirmation signal SC issued by one of the plurality of communicating electronic cooking items (20, 21, 22, 23). The invention also relates to a method implementing such a hob.
    公开号:FR3018110A1
    申请号:FR1451640
    申请日:2014-02-28
    公开日:2015-09-04
    发明作者:Karim Ghechoua；Thierry Gailhard；Serge Cubizolles
    申请人:SEB SA；
    IPC主号:
    专利说明:

    [0001] The invention relates to an intelligent cooking system consisting of a hob comprising heating zones and electronic cooking items. which communicate with the hob. The invention also relates to a method for monitoring the electronic cooking items on the various heating zones of the hob. US5746114 describes a cooking system 10 comprising on the one hand a hob with different zones of heating and on the other hand cooking items such as pans, pots, etc.. The system described in this document is an intelligent system, that is to say that it allows to keep the heating setpoint for a cooking article in function of the displacements thereof on the different heating zones of the room. cooktop and this without the user is obliged to return a heating setpoint on the new heating zone occupied by the cooking article. Thus, when a heating setpoint is associated with a certain cooking article, and during a movement thereof from one heating zone to another, the system makes it possible to follow the cooking article and to supply the new heating zone with the preset heating set point. To achieve this function the system includes communication between the cooktop and the cookware. More specifically, the communication is established between a communication module integrated in the cooking article and a communication module integrated into the hob. In this case, the communication module of the cooking article is powered by a battery. This communication makes it possible to transmit information from the cooking table to the cooking article and vice versa.
    [0002] In order to know the temperature of the cooking article, it comprises a temperature sensor. The baking article can therefore communicate its temperature to the hob via the respective communication modules. A controller present in the hob is wired to each heating zone and can identify each separately. To know the presence or movement of the cooking article from one heating zone to another, each heating zone is equipped with a proximity or presence detector connected to the controller which uniquely identifies them.
    [0003] Thus, when a cooking article is removed from a certain heating zone, the system is informed and cuts off the power supply. If this cooking item is positioned on another heating zone, the proximity detector detects a presence and the controller interrogates the cooking item to find out which item is present on it. As each cooking item is previously registered with a unique identifier, and the controller knows the heating setpoint, the system allows to refill this new heating zone with the correct set temperature. An article can therefore be moved from one zone to another without the user having to re-activate a heating setpoint.
    [0004] The system thus described operates when the table is in the presence of a single baking article. This document also deals with the case where several cooking items are positioned at the same time on the cooktop. Thus, when several cooking items are used and / or moved at the same time, the controller probes each cooking item to obtain the identification code or temperature associated with each cooking item. Alternatively, each baking article can transmit the current temperature with its identification code at defined time intervals. The time intervals can be a few fractions of a second, one or more seconds or a few minutes, etc. In this approach, a multiplexer is provided to separate the simultaneous transmission of information from the multiple cookware. However such a system is expensive and in the case of figure where several cooking items are positioned on the hob, the described system does not reliably obtain the new location of the baking article when it has been moved. In fact, the synchronization between the signals received with the focal point used is not reliable or optimal with the use of a multiplexer. The object of the invention is to have an inexpensive and reliable system to be able to follow the movement of different cooking items moved from one heating zone to another while allowing the system to identify the new associated heating zones. to the different cooking items and this in a unique way. In order to solve this problem, the invention relates to a hob 15 comprising: - at least two heating zones for supporting one or more communicating electronic cooking items which communicate via a communication module; - a control unit connected to the at least two heating zones; A communication device integrated into the hob. According to the invention, the control unit is activated so as to consecutively supply at least two of the heating zones for a duration TO when the communication device receives an activation signal SA or when the communication device no longer receives a signal. SC confirmation signal issued by one of several communicating electronic cooking items. According to the invention the duration TO can vary from a few fractions of seconds to an infinite duration.
    [0005] According to the invention, the heating zones are uniquely identified by the control unit by means of a unique identifier. In an alternative embodiment of the hob, each heating zone comprises a presence sensor of a communicating electronic cooking article positioned on or in the immediate vicinity of said heating zone, and this presence sensor may be an infrared detector. , a Hall effect sensor or a capacitive sensor connected to the control unit of the hob. These presence sensors, when they detect a variation, can generate an activation signal SA.
    [0006] According to the invention, the heating zones comprise primary coils and / or secondary coils. When they detect a load variation, the primary coils can generate an activation signal SA. According to the invention, the hob comprises a display and / or a control device 15 which makes it possible to generate an activation signal SA. According to the invention the control unit is programmable remotely. The invention also relates to a communicating electronic cooking article adapted to operate with a hob as previously described. According to the invention, the communicating electronic cooking article comprises a device for measuring a magnetic field. According to the invention the communicating electronic cooking article comprises a signal processing unit which can generate at least one activation signal SA and / or a confirmation signal SC and / or a control signal SCO. According to the invention, the communicating electronic cooking article comprises a device for energizing the signal processing unit and / or the communication module.
    [0007] According to the invention at least the powering up of the signal processing unit and / or the communication module makes it possible to generate an activation activation signal SA. According to the invention the confirmation signal SC is generated when at least the signal processing unit and / or the communication module is energized and at least the magnetic field measuring device detects a near magnetic field. According to the invention the confirmation signal SC is transmitted continuously or periodically as long as the magnetic field measuring device detects a near magnetic field. According to the invention the communicating electronic cooking article comprises a control unit. According to the invention the communicating electronic cooking article is programmable wirelessly and remotely. The invention also relates to a method for implementing a hob as described above and at least one communicating electronic cooking article as described above. According to the invention, the method comprises at least the following steps: a step of energizing the hob; A step of energizing at least one communicating electronic cooking article; A step of generating an activation signal SA. This activation signal SA activates the control unit; A step of scanning the different heating zones, which consists in the control unit supplying consecutively at least two of the heating zones for a duration T0, the scanning step occurring during a duration T1 before taking end; A step where a confirmation signal SC is continuously or periodically generated if one of the communicating electronic cooking items is positioned on one of the heating zones during the scanning step; - A step of receiving by the cooking table of the confirmation signal SC and a pairing step of the communicating cooking electronic article generating the confirmation signal SC with said heated heating zone; - A step of continuously feeding the primary coils of the heating zone paired according to a heating setpoint from the communicating electronic cooking article or the hob or the SCO control signal; And a step of repeating at least the preceding steps of scanning, pairing and feeding when the hob receives a new activation signal SA and / or when the table no longer receives the confirmation signal SC an already connected electronic cooking appliance. The aims, aspects and advantages of the present invention will be better understood from the description given below of a particular embodiment of the invention presented by way of non-limiting example, with reference to the appended drawings in which FIG. 1 is a sectional view of the system according to the invention; FIG. 2 is a perspective view of the system according to the invention; - Figure 3 is a sectional side view of a communicating electronic cooking article; - Figure 4 is a top view of a communicating electronic cooking article according to one embodiment; - Figure 5 is a top view of an electronic cooking article communicating according to another embodiment; FIG. 6 is a diagram of the operating method of the system; FIG. 7 is a block diagram of the operation of a process step; FIG. 8 is a diagram of the operation of the system with a communicating electronic cooking article; FIG. 9 is a block diagram of the operation of a process step; FIG. 10 is a block diagram of the operation of a process step; - Figure 11 is a system diagram of the system with three communicating electronic cooking items; Figure 12 is a perspective view of the system in another embodiment; - Figure 13 is a perspective view of a control device of an induction table according to a particular embodiment. Referring to Figure 1, a communicating cooking electronic article (20, 21, 22, 23) includes a cooking surface (29). This cooking surface (29) is compatible with induction cooking. By this is meant that in the presence of a field or a magnetic flux the cooking surface (29) rises thermally. In the context of the invention, the communicating cooking electronic article (20, 21, 22, 23) comprises a signal processing unit (26). Signal processing unit (26) will comprise an electronic unit 25 capable of performing primary logic operations on input signals. This signal processing unit (26) may be a sequential logic circuit, a microprocessor or a microcontroller.
    [0008] More specifically, the processing of the input signal or signals can be done by analog electronic circuits. It can also be achieved by digital signal processing, using embedded microprocessors, specialized microprocessors called "digital signal processor" or DSP "Digital Signal Processor", reconfigurable circuits (FPGA) or dedicated digital components such as 'an integrated circuit developed for a customer'. The signal processing unit (26) outputs one or more analog or digital signals. In the context of the invention, the signal processing unit (26) is configured to generate at least one confirmation signal SC of a magnetic flux and at least one activation signal SA. These signals (SC, SA) can be analog or digital. The role of these signals will be described later. The communicating cooking electronic article (20, 21, 22, 23) also includes a communication module (24) which is connected to the signal processing unit (26). This communication module (24) is bidirectional and makes it possible to transmit or receive signals. In the context of the invention, this communication module (24) will transmit at least the confirmation signal SC and at least the activation signal SA generated by the signal processing unit (26). This activation signal SA may also come from a device other than the signal processing unit (26) as will be explained later. In the context of the invention, this communication module (24) is a point-to-point communication module. In other embodiments, it may be an infrared module, a Near Field Communication (NFC) type communication module, or a Bluetooth® module. In an alternative embodiment, the signal processing unit (26) and / or the communication module (24) are removable from the communicating electronic cooking article (20, 21, 22, 23). The communicating cooking electronic article (20, 21, 22, 23) also includes a magnetic field measuring device (25) connected to the signal processing unit (26). The transmission of information between these two elements (25, 26) is wired or wireless. By device (25) for measuring a magnetic field is meant a device that changes its physical state when it is in the presence of a magnetic field. Without departing from the scope of the invention, the device (25) for measuring the magnetic field is a coil comprising one or more turns as illustrated in FIG. 4. Thus, when a magnetic flux flows through the coil, a voltage is induced at the terminals of the coil. In another variant illustrated in FIG. 5, the device (25) for measuring the magnetic field is a thermistor with Negative Temperature Coefficient of the NTC thermistor type. The CTN thermistor with its connection wires constitutes a current loop. When a magnetic flux passes through this loop, an induced image voltage of this magnetic flux appears at the terminals of the CTN thermistor. In yet another variant embodiment, the device (25) for measuring the magnetic field is a thermocouple (not shown). The thermocouple also constitutes a current loop and if a magnetic flux passes through this loop, an induced voltage image of this flux will appear at the terminals of the thermocouple. In yet another variant, not illustrated, the device (25) for measuring the magnetic field is a magnetic field sensor. This sensor may be a Hall effect sensor or a magnetoresistance type sensor. This sensor makes it possible to measure a magnetic field level and thus to detect the presence of magnetic flux in its close environment. Still with reference to FIG. 1, the device (25) for measuring the magnetic field is positioned in the cooking surface (29) of the communicating electronic cooking article (20, 21, 22, 23). Without departing from the scope of the invention, the device (25) for measuring the magnetic field can be positioned in any part of the electronic article (20, 21, 22, 23) communicating cooking as in a handle (30) when the latter includes one. This handle (30) can be fixed or removable of the electronic article (20, 21, 22, 23) communicating cooking. In order to supply electrical power to the various electronic components included in the communicating electronic cooking article (20, 21, 22, 23), one or more batteries (not shown) are provided. The batteries can be positioned in the handle (30). As can be seen in FIG. 3 which is in accordance with the invention, the communicating electronic cooking article (20, 21, 22, 23) comprises a powering device (27). This power-on device (27) makes it possible to turn on the power of all the electronic elements contained in the communicating electronic article of cooking (20, 21, 22, 23), such as, for example, the processing unit (26). signal and / or the communication module (24). This energizing device (27) can be a mechanical, capacitive or electromechanical button and is positioned on the handle (30) of the communicating electronic cooking article (20, 21, 22, 23). Pressing this energizing device (27) will result in supplying power to the signal processing unit (26). Once supplied with electric power, the signal processing unit (26) will generate an activation signal SA. This activation signal SA is generated punctually by the signal processing unit (26) and will then be sent by the communication module (24). Once the signal processing unit (26) is continuously supplied with electrical power, it is also possible to regenerate an activation signal by means of the energizing device (27) by making a double support. Finally a long press while the signal processing unit (26) is continuously supplied with electric current will turn off the signal processing unit (26). In another variant embodiment, the various electronic components included in the electronic article (20, 21, 22, 23) communicating cooking are continuously supplied by the batteries and when the various electronic components are not used, they are in a sleep mode. The waking of these is done by the power device (27), and the activation signal SA is generated upon waking of the various electronic components. It is then possible to reissue this activation signal SA.
    [0009] This reissue can be done inter alia by pressing the power device (27). The signal processing unit (26) of the communicating cooking electronic article (20, 21, 22, 23) also comprises a programmable memory (31) as can be seen in FIG. 3. This programmable memory (31) allows you to store different types of digital information. As non-limiting examples, it will be possible to store the type of utensil used, an identifier of the communicating electronic article (20, 21, 22, 23), recipe temperature profiles, cooking times, etc. . The confirmation signals SC and the activation signals SA generated by the signal processing unit (26) may therefore contain in a frame a set of pre-recorded information in the programmable memory (31). The memory (31) of the signal processing unit (26) can be remotely programmed. This programming can be done by a portable communication terminal (50). The data exchange between the programmable memory (31) of the signal processing unit (26) and the portable communication terminal (50) can be done in both directions. The portable communication terminal (50) includes an LCD screen (51) and a keyboard (52). The portable communication terminal (50) may be a mobile phone, a portable electronic and communicating assistant or any other device for communicating and exchanging information. The exchange of information between the communication module (24) and the portable communication terminal (50) can be done by infrared, near field communication (NFC), by Bluetooth® protocol or by radiofrequency waves. However, other remote communication means, such as amplitude or modulation frequency, UHF, etc., may be used. The communicating cooking electronic article (20, 21, 22, 23) incorporates a control unit (28) visible in FIG. 1. This control unit (28) is connected to the processing unit (26) of FIG. signal. By control unit (28) is meant a unit on which a user can act directly. An action on this control unit (28) allows the signal processing unit (26) to generate SCO control signals. By means of this control unit (28), a user can therefore generate SCO control signals which can then be transmitted to a remote device such as a hob. The control unit (28) can be tactile or be composed of capacitive keys or be composed of conventional mechanical buttons. Referring to Figure 5 which is an alternative embodiment of an electronic communicating article 20 (20, 21, 22, 23), the communicating electronic cooking article (20, 21, 22, 23) comprises a sensor (32) connected to the signal processing unit (26). The temperature sensor (32) positioned in the communicating cooking electronic article (20, 21, 22, 23) may return local temperature information in the vicinity of said temperature sensor (32). This temperature information is raised to the level of the signal processing unit (26). Without departing from the scope of the invention, the temperature sensor (32) can be positioned at the cooking surface (29) of the communicating electronic cooking article (20, 21, 22, 23) or on a wall of the communicating electronic article 30 (20, 21, 22, 23).
    [0010] This temperature sensor (32) can be removable or fixed relative to the communicating electronic cooking article (20, 21, 22, 23). With reference to FIGS. 1 and 3, the communicating cooking electronic article (20, 21, 22, 23) also comprises a display device (33) connected to the signal processing unit (26). This display device (33) may be a liquid crystal display. When the signal processing unit (26) and / or the communication module (24) are electrically powered and the magnetic field measuring device (25) measures a magnetic field, then the unit (26) signal processing will generate a confirmation signal SC which indicates that a magnetic flux is well detected by the device (25) for measuring the magnetic field. This confirmation signal SC will then be transmitted via the communication module (24). As long as the magnetic field measuring device (25) measures the magnetic field, the signal processing unit (26) generates the confirmation signal SC and the communication module (24) transmits it, so that the confirmation signal SC is transmitted continuously. The signal processing unit (26) may also generate the confirmation signal SC periodically. If the user decides to no longer supply power to the signal processing unit (26) or the communication module (24), then it suffices to act on the power-on device (27). Once the signal processing unit (26) or the communication module (24) are no longer supplied with electric power, the confirmation signal SC is no longer generated and will therefore no longer be emitted.
    [0011] Similarly, if the magnetic field measuring device (25) no longer measures a magnetic field, then the confirmation signal SC is no longer generated by the signal processing unit (26). In an alternative power supply of these various electronic components, a magnetic energy recovery device (34) illustrated in FIG. 5 is used. For example, this magnetic energy recovery device (34) may be composed of one or more receiving coils positioned in the communicating cooking electronic article (20, 21, 22, 23). The one or more receiver coils can be positioned in the cooking surface (29) of the communicating electronic cooking article (20, 21, 22, 23), in the wall or in the handle (30) thereof. . The one or more receiver coils thus transmit the current recovered to the various electronic components such as, for example, the signal processing unit (26) and the communication module (24) in order to supply them. It is understood that the various electronic components will actually be supplied with electricity provided that the power device (27) has been activated beforehand. In the case where the communicating cooking electronic article (20, 21, 22, 23) does not include batteries but a magnetic energy recovery device (34), a support on the power-on device (27) will produce the activation signal SA only if the magnetic energy recovery device (34) actually supplies electrical power to the electronic components and in particular the signal processing unit (26). If this is not the case then a simple support will not produce any effect.
    [0012] A cooking table (1) visible in Figures 1 and 2 comprises at least two heating zones (2, 3, 4, 5) for supporting one or more communicating electronic cooking items (20, 21, 22, 23). In the context of the invention these areas (2, 3, 4, 5) of heating are induction heating zones.
    [0013] Conventionally, in the most frequently encountered cases, the cooking table (1) comprises four zones (2, 3, 4, 5) of heating as can be seen in FIG. 2. However, the invention is not restricted to a limited number of heating zones (2, 3, 4, 5) and may include an even number as an odd number and this without limitation of the number of heating zones (2, 3, 4, 5).
    [0014] The cooking table (1) comprises a control unit (6). This control unit (6) is connected to each zone (2, 3, 4, 5) of heating. This control unit (6) can be positioned inside the hob or outside. The hob includes a communication device (7).
    [0015] This communication device (7) is wireless. This communication device (7) makes it possible to receive signals from an external device. The external device mentioned above may be a communicating electronic cooking article (20, 21, 22, 23) or a portable communication terminal (50).
    [0016] Thus, in the context of the invention, the device (7) for communicating the cooking table (1) can receive SA activation signals, SCO control signals or SC confirmation signals. These signals will then be transmitted to the control unit (6) of the cooking table (1). The communication device (7) can also transmit information to the communicating cooking electronic article (20, 21, 22, 23) or to the portable communication terminal (50). This communication module is a point-to-point communication module and the exchange of information between the communication device (7) and the portable communication terminal (50) and / or the electronic article (20, 21, 22, 23). ) Communicating cooking can be done by infrared, by near field communication type NFC (Near Field Communication), by Bluetooth® protocol or by radio waves. The heating zones (2, 3, 4, 5) comprise primary coils (12). These primary coils (12) are conventionally positioned as in all induction heating systems under each heating zone (2, 3, 4, 5) and are dimensioned to provide sufficient power and / or energy for heating by induction communicating electronic items (20, 21, 22, 23). In the context of the invention, each heating zone (2, 3, 4, 5) is associated with a primary coil (12).
    [0017] In an alternative embodiment of the invention visible in Figure (12), coils (13) secondary are also integrated at the zones (2, 3, 4, 5) of heating. These secondary coils (13) are positioned under the heating zones (2, 3, 4, 5) and deliver a lower power than the primary coils (12). We will see later what their usefulness is. Whether it is the primary coils (12) or the secondary coils (13), they are connected distinctly to the control unit (6) of the cooking table (1). Thus, each primary and / or secondary coil (13) is uniquely identified by the control unit (6). Thus, when the cooking table (1) comprises four heating zones (2, 3, 4, 5) with four separate primary coils (12), the control unit (6) will comprise at least four input / output ports. so as to be able to identify each primary coil (12) uniquely. Similarly, when the cooking table (1) will further comprise four primary coils (12), four coils (13), the control unit (6) will comprise at least eight separate input / output ports so identifying the four primary coils (12) and the four coils (13) separately. With such a device, the cooking table (1) can separately and independently control one or the other of the coils (12, 13).
    [0018] In the case of a large cooktop, one or more multiplexers (60, 61) will be used between the different coils (12, 13) and the control unit (6). This does not change the separate control of the coils (12, 13) by the unit (6) control and this reduces the amount of cable needed. In this case, it is the multiplexer that will have the number of input / output ports corresponding to the number of coils and a single cable will connect the multiplexer to the control unit (6) of the table (1). cooking. The control unit (6) will be selected so as to be able to supply and / or control the primary coils (12) and / or the secondary coils (13) of the heating zones (2, 3, 4, 5) during a very short duration which can be of a few fractions of seconds.
    [0019] The control unit (6) can be remotely programmable. This programming can be done by the portable communication terminal (50). The exchange of data between the control unit (6) and the portable communication terminal (50) can be done in both directions. A user can remotely program the cooking table (1). In an alternative embodiment also visible in Figure (12), each zone (2, 3, 4, 5) for heating the cooking table (1) comprises one or more sensors (8, 9, 10, 11) of presence of an electronic article (20, 21, 22, 23) communicating cooking. In the same way as for the primary (13) or secondary (13) coils, these presence sensors (8, 9, 10, 11) are connected to the control unit (6). They are uniquely identified by this same control unit (6). These presence sensors (8, 9, 10, 11) are capable of detecting the presence of a communicating cooking electronic article (20, 21, 22, 23) positioned in the immediate vicinity of one of the zones (2, 3, 4, 5) and inform the control unit (6). In the case where a multiplexer is used, the presence sensors (8, 9, 10, 11) will be able to operate with such an architecture always with the aim of saving space and cost reduction and without modifying the operation of the system. . It will be possible to use all the sensors known at the present time and able to provide near detection such as infrared detectors, Hall effect sensors, capacitive detectors or in other variants of the electro-optical detectors. strain gauges, mechanical probes etc. Thus, when a communicating electronic article (20, 21, 22, 23) is placed on one of the zones (2, 3, 4, 5) of heating, the cooking table (1) and more specifically the control unit (6) will immediately be able to determine, by the associated presence sensor (8, 9, 10, 11) whether one or more communicating electronic cooking items (20, 21, 22, 23) are positioned on one of the heating zones (2, 3, 4, 5) in particular. Since each presence sensor (8, 9, 10, 11) is uniquely identified with respect to an associated heating zone (2, 3, 4, 5), the control unit (6) will be able to determine which heating zones (2, 3, 4, 5) which are occupied or not by an electronic communicating article (20, 21, 22, 23). The cooking table (1) comprises a display (14) which makes it possible to display a certain number of information related to the cooking table (1) such as the power generated on each zone (2, 3, 4, 5) of heating, the number of 10 zones (2, 3, 4, 5) heating during feeding, paired etc. The hob also includes a control device (15) for controlling the heating power of each heating zone (2, 3, 4, 5). This control device (15) is placed on the cooking table (1) and can also generate an activation signal SA by pressing on it. This activation signal can be received by the control unit (6) or by the communication device (7) of the cooking table (1). The surface structure of the heating zones (2, 3, 4, 5) is made of a glass-ceramic material such as lithium, alumino-silicate which is formed and heat-treated. We will now explain the operation of the system with reference to Figures 6 to 11 which are representative of the use of such a system and in which intervene a scanning step (102) and a pairing step (104). Referring to Figure 6, initially the cooking table (1) is first extinguished. In a first ignition step (100), the cooking table (1) is powered by a user. Following this power up, the cooking table (1) is in standby. The hob is waiting for a wake-up message. According to the invention this alarm message must come from an electronic article (20, 21, 22, 23) of cooking communicating. The next step is a start step (101) of the hob. The cooktop is started by a user and via an electronic communicating article (20, 21, 22, 23). In this start-up step the user operates the power-on device (27) of the signal processing unit (26) of the communicating electronic article (20, 21, 22, 23). As has been stated above, during this step the power-on device (27) and more particularly the signal processing unit (26) will generate an activation signal SA. This activation signal SA is subsequently transmitted to the hob by the communicating module (24) of the communicating electronic article (20, 21, 22, 23). The activation signal SA can also be emitted by the control device (15) placed on the cooking table (1). The communication device (7) of the cooking table (1) receives this activation signal SA which is subsequently transmitted to the control unit (6) of the cooking table (1). In the case where the control device (15) placed on the cooking table (1) generates an activation signal SA, it is preferably transmitted to the control unit (6). cooking table (1) without passing through the communication device (7) of the cooking table (1). In this step, the communicating cooking electronic article (20, 21, 22, 23) can be positioned on or away from the cooking table (1). There follows a step where the cooking table (1) is now active (101a) and which automatically starts the next step. In the next step which is a scanning step (102), the cooking table (1) goes into a polling mode.
    [0020] In this scanning step (102), the control unit (6) is activated so as to supply consecutively at least two of the heating zones (2, 3, 4, 5). This scanning step (102), visible in FIG. 7, consists precisely in feeding the heating zones (2, 3, 4, 5) one after the other for a certain time. In the case where the cooking table (1) comprises four heating zones (2, 3, 4, 5), the cooking table (1) will supply the first (200) heating zones (2) for a predetermined time. TO, then the second (201) of the heating zones (3) during the time TO, then the third (202) of the heating zones (4) during the same time TO and finally the fourth (203) of the zones (5). ) during the TO time. In this scanning step (102), none of the heating zones (2, 3, 4, 5) are energized at the same time. The time TO, during which a heating zone (2, 3, 4, 5) is fed as shown in FIG. 10, can be a fraction of a second, a few milliseconds or a few seconds. In general, this TO time is very short so that this scanning step (102) is as fast as possible. During this scanning step (102), the cooking table (1) then checks whether a communicating cooking electronic article (20, 21, 22, 23) has been positioned on one of the zones (2, 3, 4, 5) for heating the cooking table (1), as is the case in FIG. 8. In this case, the scanning step (102) stops at the third (202) of the zones (4). ) for heating because the cooking table (1) detects the presence of an electronic article (20, 21, 22, 23) cooking. To detect the presence of an electronic article (20, 21, 22, 23) communicating cooking, the cooking table (1) performs a step of detecting (103) a confirmation signal SC issued by the electronic article (20, 21, 22, 23) communicating cooking. If during the detection step (103) of a confirmation signal SC the cooking table (1) receives a confirmation signal SC emitted by the communicating electronic article (20, 21, 22, 23) communicating then the cooking table (1) proceeds to a pairing step (104) of the communicating electronic cooking article (20, 21, 22, 23). We will see precisely in connection with Figure 9 how the steps of detection (103) and pairing (104) of the electronic article (20, 21, 22, 23) communicating cooking with and with the table (1) cooking. When the scanning step (102) is in progress, the user can position the communicating electronic article (20, 21, 22, 23) communicating with any of the heating zones (2, 3, 4, 5). of the cooking table (1) as described in Figure 8. At the time the cooking table (1) feeds for a time TO the heating zone (2, 3, 4, 5) on which is located communicating cooking electronic article (20, 21, 22, 23), a magnetic field emission step (300) is produced at this heating zone (2, 3, 4, 5). In this case, the device (25) for measuring the magnetic field of the communicating electronic cooking article (20, 21, 22, 23) detects the presence of the magnetic flux generated by the zone (2, 3, 4, 5) powered heating. This is the magnetic flux detection step (301) by the communicating electronic cooking article (20, 21, 22, 23). This information is retrieved by the signal processing unit (26) of the communicating cooking electronic article (20, 21, 22, 23) which then generates (302) a confirmation signal SC transmitted by the module (24). communicating electronic article (20, 21, 22, 23) communicating cooking. The confirmation signal SC transmitted during a signal transmission step comprises in its frame different information and at least one confirmation information of the presence of a magnetic field and an identification information of the electronic article (20). , 21, 22, 23) communicating cooking. This confirmation signal SC is then received by the communication device (7) of the cooking table (1) during a reception step (303). The control unit (6) of the cooking table (1) retrieves and processes this confirmation information. As previously described, the confirmation signal SC comprises in its frame at least the identifier of the communicating electronic cooking article (20, 21, 22, 23). In addition, the control unit (6) of the cooking table (1) 5 makes it possible to separately and independently control one or other of the heating zones (2, 3, 4, 5). This means that each zone (2, 3, 4, 5) of heating is associated with a unique identifier that will be associated with the identifier of the electronic article (20, 21, 22, 23) communicating cooking. In this measurement, the cooking table (1) can associate the different information conveyed by the confirmation signal SC of the magnetic flux with the zone (2, 3, 4, 5) of paired heating. It is well understood that the delays of transmission of these signals are the delays that are conventionally found in telecommunications so that there is the least possible interference. Thus the pairing step (104) is practically immediate between the electronic article (20, 21, 22, 23) communicating under voltage and the zone (2, 3, 4, 5) of heating powered by the table (1) cooking. As stated above, it is more particularly the primary coils (12) that are uniquely identified by the control unit (6) and are energized during the scanning step (102). for a time TO. If after feeding all the zones (2, 3, 4, 5) of heating, the cooking table (1) does not detect a confirmation signal SC, then the cooking table (1) 25 questions the action to be conducted (106) and in the first case, it repeats the step (102) of scanning described in Figure 7. If after a time T1 (109) the table (1) cooking has still not detected a confirmation signal SC, then the second case occurs where the cooking table (1) proceeds to a step (110) for checking the activation state of the zones (2, 3). , 4, 5) for heating. Indeed the cooking table (1) will rebase in standby mode that is to say in the step (100) only if all the zones (2, 3, 4, 5) heating off. Otherwise it will stay on in normal operation. Once a communicating cooking electronic article (20, 21, 22, 23) has been detected and paired by the cooking table (1), the heating zone (2, 3, 4, 5) concerned enters a normal operating step. (105). In this normal operating step, the primary coil (12) of the heating zone (2, 3, 4, 5) is then fed continuously to heat the electronic article (20, 21, 22, 23) of communicating cooking that has just been paired. The heating setpoint can be defined by means of the information contained in the frame of the confirmation signal SC received or by a heating instruction entered directly by the user on the cooking table (1) or by a default heating setpoint. associated with the heating zones (2, 3, 4, 5). This default heating setpoint may be a minimum heating power of the heating zone (2, 3, 4, 5) concerned and prerecorded in the control unit (6). We will now see the case where the user wishes to position several communicating electronic cooking items (20, 21, 22, 23) and describe the operation of the system which is also well adapted to this situation. If one or more communicating electronic items (20, 21, 22, 23) are already positioned and paired with one or more of the heating zones (2, 3, 4, 5) of the cooking table (1), that it is then in its normal operating state (105) for these one or more zones (2, 3, 4, 5) of heating. That is to say that the primary coils (12) are fed continuously according to a particular heating setpoint. If the user then wishes to position an electronic article (20, 21, 22, 23) of additional cooking cooking on the cooking table (1) then the cooking table (1) is at a step of interrogation (108) and all of the polling and pairing activation steps described above will be repeated with the only difference that the cooking table (1) will not take into account the zones (2, 3, 4 5) already paired during the scanning step (102) described above. Still in the context of the interrogation step (108), if the cooking table (1) receives an activation signal SA of an already connected electronic communicating cooking article (20, 21, 22, 23), the cooking table (1) does not react and remains in the normal operation of the step (105). To illustrate this with reference to FIG. 11, the following example is concerned with a cooking table (1) with four heating zones (2, 3, 4, 5) already having two heating zones (2, 5). paired with two communicating electronic cooking items (20, 21, 22, 23). If a user wishes to position a third, the start step (101) takes place and during the next scan step (102), only the unpaired heating zones (3, 4) will be interrogated as is shown in Figure 11.
    [0021] As described above, the activation signal SA is transmitted punctually and only by pressing on the energizing device (27) of the electronic article (20, 21, 22, 23). communicating cooking. In this case if after a time T1 (109) and after repeating the scanning step (102) as stated above, the cooking table (1) has still not detected a signal of confirmation SC of the new electronic article (20, 21, 22, 23) communicating cooking, then the cooking table (1) always proceeds to the verification step (110) where it checks the activation state of the zones ( 2, 3, 4, 5). In this case, the cooking table (1) will not switch back to standby mode because all heating zones (2, 3, 4, 5) are not turned off and the cooking table (1) will remain in the cooking mode. normal operation of step (105). In the case where a communicating electronic article (20, 21, 22, 23) communicating or several communicating electronic articles (20, 21, 22, 23) communicating are positioned on the cooking table (1), it can be brought 30 to lose the control signal SC of one of the communicating electronic cooking items (20, 21, 22, 23). This case corresponds to the case where one of the communicating electronic items (20, 21, 22, 23) has been removed from one of the heating zones (2, 3, 4, 5). In this case, the device (25) for measuring the magnetic field positioned in the communicating electronic cooking article (20, 21, 22, 23) no longer sees any magnetic flux, the signal processing unit (26) no longer generates a confirmation signal SC and the cooking table (1) then loses the signal associated with this communicating cooking electronic article (20, 21, 22, 23). The cooking table (1), after repeating the step (106) which consists in verifying that it detects the confirmation signal SC, will switch to the scanning step 102, also including the zone (2, 3, 4, 5) which has lost the confirmation signal SC. This is done in order to verify if the communicating cooking electronic article (20, 21, 22, 23) has not been repositioned on another heating zone (2, 3, 4, 5) or on this same zone ( 2, 3, 4, 5).
    [0022] When the confirmation signal SC is again detected, the new zone (2, 3, 4, 5) of heating on which is located the electronic article (20, 21, 22, 23) communicating cooking will be fed continuously into conferring on it the heating power previously configured before the loss of the confirmation signal. In this case the pairing step (104) will be performed in order to associate the new zone (2, 3, 4, 5) of heating with the electronic article (20, 21, 22, 23) communicating cooking replaced on this new zone (2, 3, 4, 5) of heating. If no detection of the lost confirmation signal SC occurs during the time T1, and still related to the step (109), the cooking table (1) stops the scanning step (102) and the pairing of this communicating electronic article (20, 21, 22, 23) will be canceled. In the case where no other electronic article (20, 21, 22, 23) communicating cooking is paired with the cooking table (1), it switches to its standby mode. In this way, if a communicating electronic article (20, 21, 22, 23) has been moved, the cooking table (1) will be able to find the new heating zone (2, 3, 4, 5). communicating electronic article (20, 21, 22, 23). Once a communicating cooking electronic item (20, 21, 22, 23) has been paired with one of the heating zones (2, 3, 4, 5) it is possible to adjust the heating power of the zone (2, 3, 4, 5) directly by means of the communicating electronic article (20, 21, 22, 23) communicating as shown in FIG. 11. This adjustment is made through the SCO control signals generated by the unit ( 26) and by the control unit (28). In the case where this control unit (28) is composed of buttons, one can have two control buttons, + and -, which will make it possible to control the heating set point of the zone (2, 3, 4, 5) of heating in use. Thus pressing the + button will send an SCO control signal to the cooking table (1) which will have the effect of increasing the heating power of the heating zone (2, 3, 4, 5). concerned. Pressing the button - will send an SCO control signal to the cooking table (1) which will have the effect of reducing the heating power of the heating zones (2, 3, 4, 5) concerned. . This control unit (28) can also be composed of a rotary knob. This control unit (28) can also be tactile. In all these cases, each time the control unit (28) is pressed, the communicating cooking electronic article (20, 21, 22, 23) will send a control signal SCO to the table (1). cooking to configure the desired setpoint. In an alternative embodiment of the invention the scanning step (102) is carried out by the secondary coils (13) associated with the heating zones (2, 3, 4, 5) which allows the coils to be left free ( 12) and use less energy to perform the scan step (102). In the same way as before, once the device (25) for measuring the magnetic field sees a magnetic flux emitted by one of the secondary coils (13), a confirmation signal SC is generated and sent and the primary coils (12) of the cooking table (1) immediately take over the secondary coils (13) in order to supply energy to the heating zone (2, 3, 4, 5) on which the electronic article (20, 21, 22) , 23) communicating cooking has been detected. All the other steps described in Figure (6) are performed in the same manner as previously for the coils (13) secondary. In yet another embodiment, the system is identical to the system previously described and each zone (2, 3, 4, 5) of heating further comprises one or more sensors (8, 9, 10, 11) of presence of an electronic article (20, 21, 22, 23) communicating cooking. In a first configuration, the system comprises primary coils (12) and one or more presence sensors (8, 9, 10, 11) and in a second configuration the system comprises primary coils (12), coils (13) secondary and one or more presence sensors (8, 9, 10, 11) visible in Figure 12. In these two cases, the pairing step (104) of an electronic article (20, 21, 22 , 23) communicating cooking only if the cooking table (1) receives on the one hand a confirmation signal SC and on the other hand if the sensor (8, 9, 10, 11) of presence associated with the zone (2, 3, 4, 5) also detects the presence of a communicating cooking electronic article (20, 21, 22, 23). This double verification makes it possible not to supply the primary coils (12) of a heating zone (2, 3, 4, 5) if the communicating electronic article (20, 21, 22, 23) is not not present on this one. As each presence sensor (8, 9, 10, 11) is uniquely determined with respect to an associated heating zone (2, 3, 4, 5), the control unit (6) can determine which are the zones (2, 3, 4, 5) of heating which are occupied or not. The utility of these presence sensors (8, 9, 10, 11) also derives from the fact that the cooking table (1) will not necessarily restart the scanning step (102) simply because the confirmation SC has been lost by the cooking table (1), which can happen in the case where the electronic article (20, 21, 22, 23) communicating cooking is no longer powered and therefore can not transmit confirmation signal SC to the cooking table (1).
    [0023] In this case, the cooking table (1) is configured so that the scanning process (102) starts operation only if the confirmation signal SC is lost and one of the sensors (8, 9, 10, 11 ) presence detects in parallel that the communicating cooking electronic article (20, 21, 22, 23) has been removed from the heating zone (2, 3, 4, 5).
    [0024] Finally, in this variant, the simple fact that one or more sensors (8, 9, 10, 11) for the presence of an electronic communicating article (20, 21, 22, 23) detects that an electronic article (20, 21 , 22, 23) has been sent to the cooking table (1) for an activation signal SA to restart the scanning process (102).
    [0025] In yet another embodiment, this double check can be performed by monitoring the load of the primary coils (12). In this case, one or more presence sensors (8, 9, 10, 11) are not required and a change in load of a heating zone (2, 3, 4, 5) will make it possible to generate a signal SA activation.
    [0026] In an alternative embodiment, the device (6) for controlling the heating power of each zone (2, 3, 4, 5) for heating the cooking table (1) consists of keys representing the number of electronic communicating articles (20, 21, 22, 23) that can be simultaneously deposited. This number represents the total number of households to be paired.
    [0027] Thus and as can be seen in FIG. 13, for a cooking table (1) comprising four heating zones (2, 3, 4, 5), the number of keys will be equal to four. In this case, pressing the "1" key means that the user wishes to deposit an electronic article (20, 21, 22, 23) communicating cooking on the table (1) cooking. This key does not target an area (2, 3, 4, 5) of heating in particular. After pressing this key, the user can deposit the electronic article (20, 21, 22, 23) communicating cooking wherever he wants on one of the zones (2, 3, 4, 5) of heating the table (1) cooking. The detection system presented in this document will enable the cooking table (1) to identify the heating zones (2, 3, 4, 5) on which the electronic article (20, 21, 22, 23) has been deposited. ) communicating cooking. If the user wants to configure his cooking table (1) to deposit two electronic items (20, 21, 22, 23) communicating cooking for example, he must press the key "2". Thus, the cooking table (1) will know that it must receive two confirmation messages SC of two separate electronic communicating articles (20, 21, 22, 23). This additional system on the device (15) for controlling the cooking table (1) provides additional security and optimization so that the cooking table (1) does not scan unnecessarily when the number of electronic items ( 20, 21, 22, 23) paired communicating cooking is equal to the number of communicating electronic cooking items (20, 21, 22, 23) selected by the user on the device (15) control. This further avoids any interference with related systems that could interfere with the confirmation signals SC. It will be understood that various modifications and / or improvements obvious to those skilled in the art can be made to the embodiment of the invention described herein without departing from the scope of the invention defined by the appended claims.
    权利要求:
    Claims (5)
    [0001]
    REVENDICATIONS1. A cooking table (1) comprising: - at least two heating zones (2, 3, 4, 5) for supporting one or more communicating electronic cooking items (20, 21, 22, 23) via a communication module (24); 15
    [0002]
    2. 20
    [0003]
    3. 25
    [0004]
    4. - a control unit (6) connected to the at least two zones (2, 3, 4,
    [0005]
    5) heating; - a communication device (7) integrated in the cooking table (1); characterized in that the control unit (6) is activated so as to consecutively supply at least two of the heating zones (2, 3, 4, 5) for a duration TO when the communication device (7) receives a signal SA activation or when the communication device (7) no longer receives a confirmation signal SC issued by one of the several communicating electronic items (20, 21, 22, 23) baking. Cooking table (1) according to the preceding claim characterized in that the duration TO during which the control unit (6) is activated, may vary from a few fractions of seconds to an infinite duration. Cooking table (1) according to one of the preceding claims, characterized in that the heating zones (2, 3, 4, 5) are uniquely identified by the control unit (6) by means of an identifier unique. Cooking table (1) according to one of the preceding claims, characterized in that each heating zone (2, 3, 4, 5) comprises a sensor (8, 9, 10, 11) for the presence of an electronic article ( 20, 21, 22, 23) communicating cooking positioned on or in the immediate vicinity 5.6. 7. 8. 9. 10. said heating zone (2, 3, 4, 5) and said presence sensor (8, 9, 10, 11) may be an infrared detector, a Hall effect sensor or a detector capacitive connected to the control unit (6) of the cooking table (1) and these presence sensors (8, 9, 10, 11) can generate an activation signal SA. Cooking table (1) according to one of the preceding claims, characterized in that the heating zones (2, 3, 4, 5) comprise primary coils (12) and / or secondary coils (13) and at least primary coils (12) can generate an activation signal SA. Cooking table (1) according to one of the preceding claims, characterized in that it comprises a display (14) and / or a control device (15) and the control device (15) makes it possible to send a signal d SA activation. Cooking table (1) according to one of the preceding claims characterized in that the control unit (6) is programmable remotely. Communicating electronic cooking item (20, 21, 22, 23) for a cooking table (1) defined according to one of the preceding claims, characterized in that the communicating cooking electronic article (20, 21, 22, 23) comprises a device (25) for measuring a magnetic field. Electronic communicating cooking article (20, 21, 22, 23) according to the preceding claim, characterized in that it comprises a signal processing unit (26) which can generate at least one activation signal SA and / or a signal SC and / or a SCO control signal. Communicating electronic cooking item (20, 21, 22, 23) according to the preceding claim, characterized in that the communicating cooking electronic article (20, 21, 22, 23) comprises a power-up device (27) of the signal processing unit and / or module (24) and at least energizing the signal processing unit (26) and / or the communication module (24) to generate a punctual activation signal SA. Communicating electronic cooking article (20, 21, 22, 23) according to the preceding claim, characterized in that the confirmation signal SC is generated when at least the signal processing unit (26) and / or the module ( 24) is energized and at least the magnetic field measuring device (25) detects a near magnetic field. 12. electronic article (20, 21, 22, 23) communicating cooking according to the preceding claim characterized in that the confirmation signal SC is transmitted continuously or periodically as the device (25) for measuring the magnetic field detects a magnetic field close. 13. Electronic article (20, 21, 22, 23) communicating cooking according to one of claims 8 to 12 characterized in that it comprises a control unit (28). 14. Electronic article (20, 21, 22, 23) communicating cooking according to the preceding claim characterized in that the control unit (28) generates SCO control signals. 15. Process for the controlled cooking of food using a cooking table (1) according to one of the preceding claims and at least one communicating electronic cooking article (20, 21, 22, 23) according to one of the claims. 8 to 14 characterized in that the method comprises the following steps: A step (100) of energizing the cooking table (1); A step (101) of energizing at least one communicating cooking electronic article (20, 21, 22, 23); a step (101a) of generating an activation signal SA which activates the unit ( 6) control; A step (102) of scanning the different zones (2, 3, 4, 5) of heating and which consists in that the control unit (6) supplies consecutively at least two of the zones (2, 3, 4, 5 ) for a duration TO, the scanning step (102) occurring during a period T1 before terminating; A step (103) where a confirmation signal SC is continuously or periodically generated if one of the communicating cooking electronics (20, 21, 22, 23) is positioned on one of the heating zones (2, 3, 4, 5) during the scanning step (102); A step (103) of reception by the cooking table (1) of the confirmation signal SC and a pairing step (104) of the communicating electronic cooking element (20, 21, 22, 23) generating the signal of SC confirmation with said heated heating zone (2, 3, 4, 5); A step (105) of continuous supply of the primary coils 12 of the area (2, 3, 4, 5) of heating paired according to a heating setpoint from the electronic article (20, 21, 22, 23) of communicating cooking or the cooking table (1) or the SCO control signal; And a step which consists in repeating at least the preceding steps of scanning, pairing and feeding when the cooking table (1) receives a new activation signal SA and / or when the table no longer receives the signal of SC confirmation of an electronic paired article (20, 21, 22, 23).
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    同族专利:
    公开号 | 公开日
    FR3018110B1|2019-08-23|
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    WO2015128578A2|2015-09-03|
    JP2017512366A|2017-05-18|
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    WO2015128578A3|2016-08-25|
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    法律状态:
    2016-02-29| PLFP| Fee payment|Year of fee payment: 3 |
    2017-02-28| PLFP| Fee payment|Year of fee payment: 4 |
    2017-04-21| CA| Change of address|Effective date: 20170322 |
    2018-02-26| PLFP| Fee payment|Year of fee payment: 5 |
    2019-02-28| PLFP| Fee payment|Year of fee payment: 6 |
    2020-02-28| PLFP| Fee payment|Year of fee payment: 7 |
    2021-02-26| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1451640A|FR3018110B1|2014-02-28|2014-02-28|COMMUNICATING INDUCTION COOKTOP AND METHOD OF SEARCHING AND FOLLOWING A CULINARY ARTICLE COMMUNICATING ON THE SAME|
    FR1451640|2014-02-28|FR1451640A| FR3018110B1|2014-02-28|2014-02-28|COMMUNICATING INDUCTION COOKTOP AND METHOD OF SEARCHING AND FOLLOWING A CULINARY ARTICLE COMMUNICATING ON THE SAME|
    CN202111105536.6A| CN113864833A|2014-02-28|2015-02-24|Communication induction cooking table and searching and monitoring method of communication cooking equipment on table|
    KR1020167026330A| KR102297650B1|2014-02-28|2015-02-24|Communicating induction hotplate and method for seeking and monitoring a communicating culinary article on said plate|
    JP2016554474A| JP6659561B2|2014-02-28|2015-02-24|Induction cooking table with communication function and method for searching and tracking cooking utensils with communication function on table|
    CN201580010431.9A| CN106104161A|2014-02-28|2015-02-24|The search of communication induction cook platform and the communication cooking equipment on described platform and monitoring method|
    EP15711253.3A| EP3111144B1|2014-02-28|2015-02-24|Induction heating system comprising a communicating hob and one or more communicating cooking articles and method implementing such a system|
    PCT/FR2015/050446| WO2015128578A2|2014-02-28|2015-02-24|Communicating induction hotplate and method for seeking and monitoring a communicating culinary article on said plate|
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