• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
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  • 优先权
    • 专利摘要:
    Device, system and method of real-time monitoring of physical and environmental variables during the transport of perishable goods. A device (100), a system and a method of monitoring cargo during the transport of perishable goods that allows to measure, in real time, the data of a plurality of physical and environmental variables in the cargo cubicle of the perishable goods by means of minus one device (100); (c) store the data of the measured variables, including the date and time of the measurement; (d) establishing a gsm/gprs communication in real time between at least one device (100) and at least one external server (200); (e) enabling a user's remote access to the data received in the external server (200) through a web portal (201) or a mobile application (201) to monitor the evolution of said variables, as well as the route of transport followed by the goods. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2640027A1
    申请号:ES201730301
    申请日:2017-03-07
    公开日:2017-10-31
    发明作者:Francisco De Asís ARTÉS HERNÁNDEZ；María Teresa MARTÍNEZ ZAFRA；Roque TORRES SÁNCHEZ
    申请人:Universidad Politecnica de Cartagena；
    IPC主号:
    专利说明:

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    DEVICE, SYSTEM AND METHOD OF MONITORING IN REAL TIME OF THE PHYSICAL AND ENVIRONMENTAL VARIABLES DURING THE TRANSPORT OF GOODS
    YOU WILL LOSE
    The object of the present invention is a monitoring system of reduced size and weight, portable, compact, easy to install, geolocatable and autonomous for the real-time registration and monitoring of the main physical and environmental variables during the transport of fruit and vegetable products and other perishable products that influence their quality.
    The real-time knowledge of the information of the physical and environmental variables allows instant decisions to avoid the loss of quality of the perishable products transported, without having to wait for the arrival of the goods to know the conditions in which He has carried out the transport and they have been able to influence the quality of the products transported, as is the case with the available systems.
    State of the art
    At present, the production of perishable products requires a refrigerated transport to reach distant markets due to globalization. Said refrigerated transport can be carried out, either in a trailer of a refrigerated truck, or in a refrigerated container. The temperature of the transport is considered, by far, as the main environmental factor to maintain in the recommended range to preserve the quality of perishable foods. For this reason, perishable goods transports have systems that allow them to keep the temperature under control in a range known as setpoint temperature, which is a requirement of the customer to the carrier. However, in addition to temperature, there are other factors that greatly influence the final quality of the transported product, such as: relative humidity (RH), the concentration of various physiologically active environmental gases (ethylene, oxygen (O2 ), carbon dioxide (CO2) or ethanol). These factors are involved in the final quality of the products, asf
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    other physical factors such as the presence of light or the forces that the products suffer due to the vibrations of the means of transport, especially when transporting fruit and vegetable products.
    Among these cases, ethylene (C2H4) is a special interest, which is a natural hormone produced biologically by plant organs (i.e. horticultural-fruit-fruit products) formed by two carbon atoms linked by a double bond. It is considered as the "ripening hormone", since, in its greater or lesser presence, fruits and vegetables ripen more or less quickly, so that the loss of quality is more or less marked. In general, it is physiologically active between 0.1 and 1 ppm, so its control during transport, especially over long distances, in climatic products and in products very sensitive to it, is essential to preserve quality. Generally, it must be necessary to eliminate it from the environment where the goods are transported to minimize quality losses and for this there are several systems available, so the registration of this gas in real time to know its concentration becomes very important.
    Knowing the concentration of CO2 is very important because it is a physiologically active gas, which regulates maturation and that, depending on the concentration that exists in the environment, physiological disorders that lead to a quality detriment can occur.
    In the same way, knowing the concentration of O2 is of great interest to determine if the product breathes aerobically without fermentation. In this sense, the monitoring of ethanol can give us an idea of whether you are breathing anaerobically, in the presence of very low concentrations of oxygen, producing, therefore, fermentations that undoubtedly result in a great loss of quality of fruit and vegetable products, often rejecting merchandise with the consequent economic loss.
    In addition, among the variables that would be important to monitor to know how the transport is being carried out, the luminosity stands out (among others, to know if the door has been opened or if the lights are on) and the vibrations suffered in the transport process that entail a loss of quality due to mechanical damage to the merchandise.
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    Finally, the geolocation of the cargo in real time is very important information, so that, in this way, both the transport company, in charge of distribution to the points of sale of the goods, and the production company «customer» can know the location of the merchandise, as well as the rest of the transport conditions to comply with the requirements that have been agreed, eliminating possible conflicts between the two, due to the possible negligence that may occur during the distribution chain.
    Control systems based on sensors, which measure a certain number of factors that affect the state of perishable goods during transport, such as temperature, humidity, luminosity and solar and ultraviolet radiation, among others, have high costs or are made by manufacturing upon request.
    Many of them are based on electromagnetic radiation technologies presenting a current greater potential, but require the combination of sensors that only measure the physical conditions of the environment and not the chemical ones of the merchandise, supported by mathematical models.
    Another method of control is artificial vision, which is the area of greatest progress, current and potential, in the online assessment teams of the quality of perishable foods, such as fruit and vegetables.
    Fluorescence spectroscopy is in an advanced stage of its development: it is also a spectroscopic technique in which emission spectra of the object (usually in the visible region of the spectrum) are captured after their radiation excitation, usually ultraviolet. This presents the inconveniences of high equipment cost, as well as a previous installation of them, since they are bulky equipment (due to fluorescent camera systems, batteries and data storage space) that must be anchored to the transport containers .
    Document CN 203133058U of the Zhejiang University of Agriculture and Forestry describes a system with measures only of ethylene concentration and oriented to the final product exposed to the consumer, not to the transport process. The developed system
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    It differs greatly from that presented in this document because it shows when the product is suitable or not for consumption due to its ripeness. It monitors only ethylene and not the rest of the variables that are vital for conservation during the product transport process and that can be modified in time if they are known in real time. In no case is it possible to know the rest of the variables that may be vital or even the geolocation of the cargo during transport.
    Ericsson document EP1246094 describes a container monitoring system. This system, however, is not designed for the monitoring of physical and environmental parameters and, therefore, differs from the present invention. In addition, the system configuration described in this Ericsson patent means that the equipment has too many separate components that make it difficult to install, so that said installation must be previously planned in the container loading process, so you need a pre-installation and cannot be located at any time and place during the transport process of the goods.
    In [«Auxiliary smart gas sensor prototype plugged in a rfid active tag for ripening evaluation» Formisano Fabrizio; Massera Ettore; From Vito Saverio; Buonanno Antonio; I gave Girolamo France; Delli Veneri Paola, 2015 XVIII AISEM Annual Conference, 2015-02-03
    doi: 10.1109 / AISEM.2015.7066800] describes a monitoring system during the transport of plant products and their ripening state using a double communication system. The internal communication of the system is based on the Radio Frequency Identification Protocol (RFID) is a technology that allows an object to be automatically identified thanks to a built-in emitter wave that transmits the object's identifying data by radiofrequency, within a very small range, just a few centimeters.
    All this means that this system, like the aforementioned ones, is based on the pre-installation of more than one device inside the transport container, so that the equipment loses the versatility of installation, since it cannot be adapted to any method of transport, since the registration labels have to be installed in the boxes of transport of vegetables and fruits and the rest of the equipment in another place different from the container, instead of going the whole system enclosed in a unique box that can be placed without any kind of
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    Packaging used to transport the goods. Similarly, it is not able to record the amount of physical and environmental variables that are intended in the present invention.
    The team of Formisano et al. (2015) needs a programmer who executes the writing of information about the RFID tag, that is, it encodes the information of a microchip located within an RFID tag. The programming of the labels is done only once, if the labels are read only, or several times if they are read / write. Therefore, the information is not transmitted in real time, autonomously, since it is necessary to have an RFID receiver at a very close distance to receive the information. Obviously, this fact prevents the autonomous and real-time transmission of the variables as is done in the present invention.
    The power that the programmer needs to write the information on the labels is greater than what the reader needs, that is, the radius of action of a recording device is less than the radius of action of the reader. For this reason, in most cases, the programmer needs direct contact with the labels, which in a merchandise transport container is almost impossible to occur for all labels, due to the distribution of pallets and boxes of storage.
    In addition, the need for that programmer makes the size of the equipment greater, which translates into a more costly and difficult component to install, since it needs a large site and allows to receive information from the control labels. As in systems already described, the installation process requires more time, as well as more material due to the number of labels to be placed depending on the volume of transport and not the standard size of the container.
    Nor is any clear communication platform with the user described in the state of the art, which shows the conditions inside the container, influenced by both the environmental variables (temperature, relative humidity, luminosity) and those related to the transported load , especially for live products such as fruit and vegetable products (concentrations of ethylene, ethanol, CO2, O2) or its location. That is, they do not offer truthful information about said communication interface or the geolocation system to know at all times the geographical situation within
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    Transportation routes
    The information related to the energy consumption by the different systems of the state of the art is scarce and, therefore, the autonomy of the equipment is questioned, since there is no reference to the capacity of the feeding systems, so that the scope of the same is not defined depending on the duration of the transport routes, nor in relation to the capacity of the labels to be able to be reused in different independent transports.
    In general, the state of the art does not offer a wide range of portable monitoring systems with sensors dedicated to the control of ethylene concentration, since, as a natural hormone, produced by fruit and vegetable products during their life, these concentrations are very variable . Therefore, it is more common to find sensors that offer the combination of several joint hydrocarbon gases, so different concentrations can be measured (usually specified by the customer and developed on request) with the same sensor, either by relating the concentrations or by sneak detectors of one or other gases.
    In the state of the art if specific sensors are commercialized, such as the temperature, humidity and CO2 sensors that allow the recording and storage of the data collected for a subsequent shipment, which is not in real time, by means of specific connection points and communication, to the interfaces designed for the visualization of the same by the client. But they are very specific sensors that cover a small range of variables, and with a limited range due to their communication systems.
    In view of the foregoing, the present invention solves the technical problem related to the registration of different physical variables, in the transmission of real-time data, the geolocation of the load being monitored and its characteristics of size, portability, autonomy and no need for installation, which allows it to be located in reconditos places of the load or in those locations where required.
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    The real-time knowledge of the physical and environmental variables included in this document allows to avoid quality alterations and the loss of the transported goods, since with this knowledge it would be enough to act on the control systems of the means of transport to regulate the conditions programmed, in order to preserve the quality of the products transported. If it is not possible to act on the control systems, it allows the user or «customer» to know how their merchandise is being transported and the potential risks it has for the quality of the products, being able to make sales decisions prior to the arrival of the cargo to markets, which is an important economic benefit.
    Since the transport of the merchandise is carried out by companies that are not usually the producer or the recipient of the merchandise, it is essential that the real-time monitoring and monitoring system be totally autonomous and, in addition, that it does not require any type of installation. In this way, the actors interested in controlling the transport conditions of the goods can track the parameters and their location without requiring any type of condition from the carrier of the same.
    In the state of the art, as indicated, there are portable recorders that periodically store the temperature and relative humidity information during transport and whose stored information can be easily downloaded through common interfaces (such as Bluetooth or USB) to computers that represent the evolution of these variables. However, the quality standards and requirements, both of the consumer and the producer, as well as the necessary guarantee by the carrier to guarantee the correct logistic handling of the goods between the producer and the importer, make this sector demand more equipment Accurate, autonomous, flexible and capable of being able to send the information instantly to know the information in real time, without having to wait until the merchandise has reached its destination.
    That is why, the present real-time monitoring and delivery of information equipment represents a great advance in the perishable land transport sector, thanks to the fact that it includes a continuous communication system, and that there is a detailed record of
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    the main physical and environmental variables detailed previously (temperature, relative humidity, ethylene, oxygen (O2), carbon dioxide (CO2), ethanol, luminosity and vibrations) which are basically responsible for preserving the quality of perishable foods during transport With this, decisions can be taken instantly whenever there is GPRS land coverage of the GSM mobile network. In the same way, it can be used in maritime transport, since the registration of the variables is carried out periodically and its delivery occurs once GPRS coverage is reached.
    The measurements for the registration of the variables are carried out by adapting specific sensors for the thermal and hygrometric conditions (temperature and relative humidity) and for the concentration of gases and other environmental conditions within a refrigerated trailer with long energy autonomy ( It has to measure long-term trips) which are accompanied by geolocation sensors that allow the customer to know the location of the merchandise, as well as its transportation routes. All this with high technical performance of the equipment, which makes it very attractive to the customer, due to its great versatility of adaptation, without the need for pre-installation or wiring along the transport container.
    This versatility is closely related to its size, since it stands out for being a small, lightweight and portable system. This translates into a quick and simple implementation of the equipment adapting to any type of trailer and transport route, regardless of the company in charge, both of the production and transport of the goods.
    More specifically, the load monitoring system during the transport of perishable goods, object of the present invention, comprises an electronic device to which an interface is coupled that allows the connection of the necessary sensors and a GPRS system powered by a battery. All of them housed inside a box with protection index IP67.
    The system is compact, small in size and weight, autonomous, with an energetic capacity to maintain the operating system for 700 hours, which guarantees its use on long-distance trips.
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    The data collection is carried out with the frequency to be determined and transmitted in real time to own or third-party servers in the cloud, accessing them through mobile applications (apps) and / or web services. Therefore, there is no need for installation or modification of the environment where the control parameters are going to be monitored, which allows a great versatility of adaptation to different types of goods transport by road and allows to hide the device inside the load or in Any suitable location. Finally, the system allows the geolocation of the goods monitored in real time without using GPS systems that require the external installation of antennas.
    In a first aspect of the invention, a portable electronic device has been developed comprising: a memory (101); a processor; a connection interface with a plurality of external sensors (103) arranged in a transport cubicle of a load of perishable goods, comprising, at least some of the following sensors of the environmental variables, or combinations thereof that are desired according to customer requirement:
    temperature; RH; carbon dioxide; ethylene; ethanol;
    It also includes a GPRS communications circuit; a battery; and one or more programs, in which the program (s) are stored in memory and configured to be executed by the processor; characterized in that the programs include instructions for: initializing the sensors; save the measured data of the sensors in memory, including time and date of the measurement taken; and send in real time to an external server the data stored in the memory via GPRS.
    In the same way, the device also includes sensors that measure the physical variables during transport, combined with the previous ones depending on the customer's requirement, among which are the sensors of: vibrations on the Z axis of the device; brightness; battery charge;
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    In a particular embodiment, the sensors are configured to measure: the temperature in the load transport circle in a range of -20 to 40 ° C; the relative humidity of the load transport circle in a range of 0 to 100%; the CO2 in maximum proportion of 20% in the load transport circle; ethylene (C2H4) in maximum proportion of 2% in the load transport circle; the ethanol in maximum proportion of 5% in the load transport circle; the vibrations suffered on the Z axis of the device; the luminosity in the load transport circle; the load of the baton; and the geolocation of cargo during transport.
    In a particular embodiment, the device is housed in a box with IP-67 protection of dimensions equal to or less than 120x120x50 mm and weighing 360 g.
    In a second aspect of the invention, the load monitoring system during the transport of perishable goods comprising at least one device according to the present invention of and at least one external server and characterized in that the external server is connected to the device is GSM / GPRS, so that said external server is configured to access the information provided by the device in real time through a web application and / or a mobile application.
    In a third aspect of the invention, the method of load monitoring during the transport of perishable goods that is executed in a system according to claim 5 and characterized in that it comprises the steps of: (a) initialization of the system; (b) measure the data of a plurality of physical and environmental variables in the load calculation of perishable goods by at least one device such as that of the invention; (c) store the data of the physical and environmental variables measured, including date and time of the measurement; (d) establish a real-time GSM / GPRS communication between at least one device according to the invention and at least one external server; and (e) enable a user's remote access to the data received on the external server through a web portal or mobile application to monitor the variables available to see their evolution, as well as the transport route of the merchandise.
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    In conclusion, the device, method and system described here improves the systems known in the state of the art for the refrigerated transport of perishable goods, thanks to the monitoring and sending of real-time information of the main physical and environmental variables during their transport , by means of a compact, light, easy installation, autonomous and geolocable equipment.
    Throughout the description and the claims the word "comprises" and its variants are not intended to exclude other technical characteristics, additives, components or steps. For those skilled in the art, other objects, advantages and characteristics of the invention will be derived partly from the description and partly from the practice of the invention. The following examples and drawings are provided by way of illustration, and are not intended to restrict the present invention. In addition, the present invention covers all possible combinations of particular and preferred embodiments indicated herein.
    Brief description of the figures
    Next, a series of drawings that help to better understand the invention and that expressly relate to an embodiment of said invention that is presented as a non-limiting example of this is described very briefly.
    FIG. 1 shows a block diagram of the device and system of the invention. FIG. 2 shows a flow chart of the method according to the present invention.
    Exhibition of a detailed mode of realization of the invention
    The device (100), system and method object of the present invention are intended to obtain in real time, by the user, the main physical and environmental variables that are critical for the maintenance of the quality of perishable products during transport , by a team of reduced size (120x120x50 mm) and weight (360 gr) autonomous, portable, without installation and geolocation. The real-time knowledge of the main physical and environmental variables during transport allows to avoid quality alterations and the loss of transported goods, since with this
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    Knowledge can act on the control systems of the means of transport regulate the programmed conditions or, if not possible, allows the user to make sales decisions prior to the arrival of the cargo to the markets, which is an important commercial benefit.
    The system comprises an electronic and portable device (100), shown schematically in Figure 1, comprises a memory (101); one or more processors (102); a connection interface with external sensors (103); a GPRS communications circuit (104); a battery (105); and one or more programs, in which the program (s) are stored in memory (101) and configured to be executed by means of the processor (s) (102); characterized in that the programs include instructions for: the initialization of the different system variables, the establishment of serial communications and the updating of data stored in memory (101); the sensors (103) that begin to receive the data of the variables are initialized; the data received from the sensors (103) is stored; and the data stored via GPRS is sent to an external server (200).
    These elements are integrated in a safe (IP67 protection) that allows data to be sent and protects the system from any external agent, thus avoiding any unwanted damage to them. The device (100) has the ability to transmit the data in real time to own servers (200) of the client or third parties located in the cloud using GPRS technology with worldwide coverage, thanks to the GPRS communications circuit (104). In this way, the user can access them through a web portal (201) or using a mobile app (202) from anywhere.
    The described device (100) can be used to create a network of devices (100) within the cubicle where the goods are transported in case it is required, for example, if the spatial distribution of sensors (103) in the cubicle is necessary. loading
    This allows the monitoring of the physical and environmental conditions during the transport of the goods, as well as knowing the route through which the desired distribution points are reached, either to proceed with their handling or for the direct sale of them. thanks to the geolocation of data shipments through the GPRS communication.
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    Likewise, given the characteristics of autonomy and the lack of installation, the equipment can be located anywhere, for example, between the merchandise, under a pallet or attached to a wall of the container or trailer. In no case is it necessary to use any component of the means of transport (trailer or container) and, therefore, the system is completely independent of the carrier.
    One of the main features of the motherboard (comprising the processor (102) and memory (101)) is its small size (65 x 115 mm in a particular embodiment) and the presence of a communication interface with Secure Digital cards (hereinafter, microSD) that configures the memory (101) and a real time clock (integrated in the processor (102)).
    The combination of these two tools allows the device to act as a "datalogger", so that the information of the sensors (103) is stored in memory (101) with their corresponding time and date of reading. Therefore, the device (100) provides the information redundantly as a data security system.
    The power supply of the node is provided by a lithium polymer battery (105) of 2300 mAh, with a nominal voltage of 3.7 V. This battery (105), whose maximum charging voltage is 4.2 V, has a protection circuit that prevents it from discharging below 3.25 V. In addition, it is necessary to make a voltage adaptation by providing 3 V to the microcontroller through a DC / DC converter.
    The battery (105) is monitored by the processor (102) through a measurement interface, which allows periodic sampling of its charge level and properly managed to allow a range of 700 hours of continuous operation.
    The device is very versatile both in connection capacity to the sensors (103) (by voltage, current, SDI-12, RS232) and by supply voltage. Specifically, the device presented in this document has sensors (103) that measure:
    - The temperature in a range of -20 to 40 ° C
    - Relative humidity in a range of 0 to 100%
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    - CO2 in maximum proportion of 20%
    - Ethylene (C2H4) in maximum proportion of 2%
    - Ethanol in maximum proportion of 5%
    - The vibrations suffered on the Z axis of the system
    - The brightness of the environment
    - The battery (105) and autonomy of the system
    - The location of the system itself.
    One of the main features of the invention is that it allows the connection of a GSM-GPRS modem, so that the device (100) is totally autonomous and can communicate with a remote server (200) with internet access. This connection serves to know fundamental data for the system such as date / time and geolocation. In this way it is not necessary to use GPS antennas that would require an outdoor installation, then losing the ability to use without installation.
    The device is inside a small IP-67 box (120x120x50 mm).
    Finally, the process that monitors the variables, stores them and sends them is shown in the flowchart of Fig. 2. It can be described with the following steps:
    a) First, the initialization of the different system variables, the establishment of the serial communication and the updating of the data stored in the memory (101).
    b) The sensors (103) are initialized, which begin to receive the data of the variables.
    c) The memory (101) stores the data received from the sensors (103).
    d) The GPRS circuit (104) sends the stored data to an external server (200).
    e) The user logs into the web portal (201) or the app (202) and monitors the available variables to see their evolution, as well as the transport route of the goods.
    权利要求:
    Claims (1)
    [1]
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    1 - A portable electronic device (100) comprising: a memory (101);
    a processor (102);
    a connection interface with a plurality of external sensors (103) arranged in a transport cubicle of a load of perishable goods, comprising the combinations that are required by the customers of the following sensors of the environmental variables:
    temperature; RH; carbon dioxide; ethylene; ethanol;
    a GPRS communications circuit (104); a battery (105); Y
    one or more programs, in which the program (s) are stored in memory (101) and configured to be executed by the processor (102); characterized in that the programs include instructions for: initializing the sensors (103);
    save the measured data of the sensors (103) in the memory (101), including time and date of the measurement taken; Y
    send to an external server (200) the data stored in the memory (101) via GPRS (104) in real time.
    2 - The device (100) according to claim 1, further comprising the incorporation of the combination required by the customer and supplementary to the previous sensors of new sensors for the following physical variables:
    vibrations on the Z axis of the device (100); luminosity (100); charging a battery (105); geolocation of the device (100).
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    3 - The device (100) according to any one of claims 1-2 wherein the sensors (103) are configured to measure: the temperature in the cargo transport cubicle in a range of -20 to 40 ° C; the relative humidity of the cargo transport cubicle in a range of 0 to 100%; CO2 in maximum proportion of 20% in the cargo transportation cubicle; ethylene (C2H4) in maximum proportion of 2% in the cargo transport cubicle; the ethanol in maximum proportion of 5% in the cargo transport cubicle; the vibrations suffered on the Z axis of the device (100); the luminosity in the cargo transport cubicle; the battery charge (105); and location of the device itself (100) with respect to the load.
    4 - The device (100) according to any one of claims 1 to 3 characterized in that it is housed in a box with IP-67 protection of dimensions equal to or less than 120x120x50 mm.
    5 - A load monitoring system during the transport of perishable goods comprising at least one device (100) of any one of claims 1 to 4 and at least one external server (200) and characterized in that the external server (200 ) is connected to the device (100) via GSM / GPRS, so that said external server (200) is configured to access the information provided by the device (100) in real time through a web application (201) and / or a mobile application (201).
    6 - The method of load monitoring during the transport of perishable goods that is executed in a system according to claim 5 and characterized in that it comprises the steps of: (a) initialization of the system; (b) measuring the data of a plurality of physical variables in the cargo cubicle of perishable goods by at least one device (100) according to any of claims 14; (c) store the data of the measured physical variables, including date and time of the measurement; (d) establish a real-time GSM / GPRS communication between at least one device (100) according to any one of claims 1-4 and at least one external server (200); (e) enable a user's remote access to the data received on the external server (200) through a web portal (201) or a mobile application (201) to monitor the available variables to see their evolution, as well as the transport route of the
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    公开号 | 公开日
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    引用文献:
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