CN107065710B - Passive wireless cold chain transportation vehicle-mounted real-time monitoring system based on Internet of things - Google Patents
Passive wireless cold chain transportation vehicle-mounted real-time monitoring system based on Internet of things Download PDFInfo
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- CN107065710B CN107065710B CN201710458263.0A CN201710458263A CN107065710B CN 107065710 B CN107065710 B CN 107065710B CN 201710458263 A CN201710458263 A CN 201710458263A CN 107065710 B CN107065710 B CN 107065710B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention provides a passive wireless cold chain transportation vehicle-mounted real-time monitoring system based on the Internet of things. Aiming at the problem that the whole process monitoring needs to be carried out on the external environment where the agricultural product cold chain transportation is in a key circulation link, the main controller is researched and developed by utilizing the technology of the Internet of things, the real-time positioning of the cold chain logistics vehicle and the real-time monitoring of environment information can be completed, the remote terminal can monitor the cold chain information in real time, the real-time monitoring of the environment information in the logistics link is completed, and the real-time monitoring of the environment information is a part of the tracing of the agricultural product information. The power supply and the main controller charging of the sensor are realized by adopting the EnOcean energy collection technology and the EnOcean wireless communication technology, a signal wire and a power wire do not need to be deployed, the arrangement is flexible, the power consumption is low, the energy is saved, and the consumption is reduced.
Description
Technical Field
The invention relates to the field of logistics monitoring, in particular to a passive wireless cold chain transportation vehicle-mounted real-time monitoring system based on the Internet of things, which is particularly suitable for occasions with higher requirements on transportation links, such as cold chain transportation vehicles, fresh agricultural products, medicines and other transportation vehicles.
Background
Along with the rapid development of the economy and the continuous improvement of the living standard of residents in China, the consumption concept of people is changed from the traditional singleness to the modern diversification and rapidness, and the fresh agricultural products are required to be fresh, sanitary, safe and nutritional, and are also required to be various in variety and rapid and timely in distribution. The cold chain logistics is a logistics system for ensuring the quality of the food and reducing the loss of the food by the optimal logistics means and is an indispensable guarantee measure implemented for ensuring that the fresh food is safely delivered to the hands of consumers from a production source in all links before production, processing, storage, transportation and sales until final consumption.
At present, the annual demand of fresh agricultural products in China is about 4 hundred million tons, but the logistics distribution is usually carried out under normal temperature commodity flow due to the characteristic of natural perishability of the agricultural products, so that the loss is overlarge in the logistics process. In the process of the fresh product from the producer to the final consumer, 80% of the time is in the logistics transportation, and 20% of the loss occurs in the circulation link. The related data show that the loss rate of agricultural products caused by improper production, transportation and storage exceeds 20 percent, and the direct economic loss is about 1000 hundred million yuan. Therefore, the need for efficient cold chain monitoring and retrospective management of fresh produce is also becoming more and more apparent. The method promotes the logistics mode of fresh agricultural products to be changed greatly, and initiates and drives the rapid temperature rise of cold chain logistics.
In the cold chain transportation process, the environmental state of the refrigerated compartment determines the storage period and the shelf life of fresh agricultural products, and how to accurately, real-timely and low-cost monitor the environmental parameters of the refrigerated compartment is a key for ensuring the smooth running of the cold chain transportation of the fresh agricultural products. And the living logistics generally adopts a carrier with a refrigerator or the like as a safe to transport food, if the cargo compartment is frequently opened and is not different from the living environment which damages the food, the acquisition of logistics information is seriously hindered, the timely acquisition of the logistics information is indirectly influenced, and the logistics scheduling is not beneficial to timely grasping the information of food states, geographical positions and the like. In addition, the food, agricultural products, and high quality medicines required in these systems to remain alive are inevitably contaminated by the environment when the cargo box is opened and closed a plurality of times, and the decrease in hygienic quality is likely to lead to unexpected results.
The maximum scrapping period of trucks is 15 years, along with the rapid development of the internet of things technology, a plurality of original vehicles are used for logistics work, and most of refrigerated vehicles only have one warm area, along with the coming of online shopping and big tide, retail vehicles bearing cold chain transportation are difficult to complete goods in the same temperature range, long waiting time is required for goods sources, the first goods are easy to heat and deteriorate, and regional management is required. And for the customers of the selected logistics providers, the articles are always in the required temperature state, the position information and the environment state of the vehicles are accurately mastered, and the monitoring of the whole link is very necessary.
The patent researches are as follows, ZL 201610189225.5 is a multi-temperature-zone refrigerated carriage suitable for cold chain part material flow, which is changed from a carriage body, and solves the problem that the same carriage comprises a plurality of temperature zones, but the temperature cannot be monitored in real time, and the temperature of the temperature zones is in a non-traceable state.
The ZL 201510162958.5 is a fresh logistics Internet of things monitoring method, an RFID tag is installed on a transportation box body, an information acquisition device is required to be installed in the transportation process of a logistics line, and the investment of early equipment is large.
The ZL201510107378.6 long-distance ice-temperature keep-alive transport case is characterized in that only a vehicle body and a remote server adopt a wireless communication mode, a specific sensor and a controller are connected with the A/D acquisition card through an IIC bus, and flexibility of arrangement of the vehicle body and the remote server is limited in a wired mode.
Therefore, in order to overcome the problems in the living logistics in the prior art, the intelligent degree of the logistics network is improved, foods, medicines and the like are guaranteed to be sent to a destination with lower operation and maintenance cost and more satisfactory effect, and the invention provides a passive wireless cold chain transportation vehicle-mounted real-time monitoring system based on the internet of things.
Disclosure of Invention
The invention aims at the problem that the whole process monitoring of the external environment where the agricultural product is located is required in the key circulation link of cold chain transportation of the agricultural product. The vehicle-mounted terminal main controller is developed by utilizing the Internet of things technology, the real-time positioning of the cold chain logistics vehicle and the real-time monitoring of the environmental information can be completed, the cold chain information can be monitored in real time by the remote terminal, the real-time monitoring of the environmental information in the logistics link is completed, and the real-time monitoring is a part of agricultural product information tracing. And the micro vibration energy is collected in the transportation process, the EnOcean wireless energy collection technology and the EnOcean wireless communication technology are adopted, so that the power supply and the main controller charging of the sensor transmission module are realized, a signal wire and a power wire are not required to be deployed, the energy is saved, the consumption is reduced, and the arrangement is flexible.
The invention is realized by adopting the following technical scheme:
the passive wireless cold chain transportation vehicle-mounted real-time monitoring system based on the Internet of things comprises a vehicle-mounted terminal main controller 101, a sensing unit 103, a heat preservation container 104, a base station 106, a server 107 and a remote terminal 108; the vehicle-mounted terminal main controller 101 is respectively connected with the sensing unit 103 and the base station 106, and the base station 106 and the remote terminal 108 are respectively connected with the server 107;
placing a vehicle-mounted terminal main controller 101 in a vehicle control room, arranging a sensing unit 103 in a thermal insulation container 104 in the vehicle box body, and communicating the vehicle-mounted terminal main controller 101 with the sensing unit 103 through an EnOcean102 communication protocol;
the in-vehicle terminal main controller 101 communicates with the base station 106 through the wireless network 105; the base station 106 stores the information in a server 107 and accesses and monitors the server 107 via a remote terminal 108.
The vehicle-mounted terminal main controller 101 comprises a central processing unit 212, a positioning module 201, a communication module 202, a display module 203, a control driving circuit 204, an unpacking alarm module 205, an ENOCEAN communication module 207, a USB power supply module 208, a vibration energy collection module 209, an energy management module 210 and a memory 211;
the central processing unit 212 is respectively connected with the positioning module 201, the communication module 202, the display module 203, the control driving circuit 204, the box opening alarm module 205, the ENOCEAN communication module 207, the energy management module 210, the memory 211, the energy management module 210 is respectively connected with the USB power supply unit 208, the vibration energy collection module 209, the ENOCEAN communication module 207 is connected with the sensing unit 103, and the positioning module 201 and the communication module 202 are respectively connected with the base station 106.
The sensing unit comprises an antenna 301, an SOC chip module 302, a clock module 303, a reset module 304, a power module 305, a temperature detection module 306 and an Enocean energy acquisition unit 307;
the voltage input end vcc_soc and the ground end GND of the SOC chip module 302 are correspondingly connected to the voltage output end Vcc and the ground end GND of the power module 305, the radio frequency signal positive polarity end rf_p, the radio frequency power gain voltage RX/TX and the radio frequency signal negative polarity rf_n of the SOC chip module 302 are correspondingly connected to the radio frequency signal positive polarity end rf_p, the radio frequency power gain voltage end RX/TX and the radio frequency signal negative polarity end rf_n of the antenna module 301, the Reset input end Reset of the SOC chip module 302 is connected to the Reset output end Reset of the Reset module 304, the clock input end CLK of the SOC chip module 302 is connected to the clock output end CLK of the clock module 303, the AD end of the SOC chip module 302 is connected to the signal line of the temperature detection module 306, and the power pin of the SOC chip module and the temperature detection module are respectively connected to the power module 305 or the enoean energy harvesting unit 307.
The central processing unit 212 is realized by adopting a core ARM Cortex-M series microprocessor STM 32; the positioning module 201 adopts GPS or Beidou positioning; the communication module 202 is implemented by a GPRS or 3G or 4G communication module; the display module 203 adopts a liquid crystal display screen; the control driving circuit 204 supports the output of control signals of multiple channels, can be externally connected with control signals, and is convenient for the comprehensive control and use of the original refrigeration system of the vehicle; the unpacking alarm module 205 effectively prevents external artificial interference and can alarm; the ENOCEAN communication module 207 implements the transceiving of the ENOCEAN signal transmitted by the sensing unit 103; the USB power supply unit 208 is connected with the vehicle-mounted storage battery, so that uninterrupted power supply is realized; the vibration energy collection module 209 collects vibration energy in the running process of the vehicle, so that power supply without a power supply is realized; the energy management module 210 realizes the management and storage of energy; the memory 211 is used for completing the storage of real-time monitoring information and providing a guarantee for information tracing; the vehicle-mounted terminal main controller 101 communicates with the base station 106 through the communication module 202, the protocol conversion unit 206 in the central processor 212 realizes analysis and conversion of the enoxaan protocol and processes the enoxaan protocol into a communication signal acceptable by the base station 106, and the base station 106 transmits the received information to a server side for remote access.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the whole course tracing of the cold chain logistics process is realized, and the whole course monitoring of the environmental information in the transportation process is realized.
2. The cold chain logistics car is narrow in space, difficult to wire, the system does not need to arrange cables, is simple to install, does not need to change the original car line, and can realize rapid transformation of the original transportation vehicle.
3. For the carrying objects needing sealing, a wireless communication technology is adopted to transmit out temperature signals, so that airtight temperature measurement is realized without opening, and the management of the partition of the vehicle body is realized.
4. An EnOcean energy collection mode (a vibration energy collection module 209) is adopted to collect tiny vibration energy in the transportation process, and the vibration energy is converted into electric energy; and energy is saved, consumption is reduced, vibration energy in the transport vehicle is fully utilized, and energy is provided for the sensor and the transmission module.
Drawings
FIG. 1 is a diagram of the overall architecture of the system of the present invention;
FIG. 2 is a schematic diagram of a main controller of a vehicle-mounted terminal according to the present invention;
FIG. 3 is a schematic diagram of a sensor unit (powered by a power supply) according to the present invention;
FIG. 4 is a schematic diagram of the structure of embodiment 2 of the sensing unit of the present invention (powered by the Enocean energy harvesting unit);
FIG. 5 is a flowchart of the operation of the in-vehicle terminal host controller;
the system comprises a main controller of a 101-vehicle-mounted terminal, a 102-EnOcean communication protocol, a 103-sensing unit, a 104-heat preservation container, a 105-wireless network, a 106-base station, a 107-server and a 108-remote terminal, wherein the main controller of the vehicle-mounted terminal is connected with the remote terminal;
201-positioning module, 202-communication module, 203-display module, 204-control driving circuit, 205-unpacking alarm module, 206-protocol conversion unit, 207-EnOcean communication module, 208-USB power supply unit, 209-vibration energy collection module, 210-energy management module and 211-memory; 212-a central processing unit;
301-antenna, 302-SOC chip module, 303-clock module, 304-reset module, 305-power module, 306-temperature detection module, 307-EnOcean energy harvesting unit.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.
The internet of things is an information technology, namely various information required by any object or process needing to be monitored, connected and interacted is acquired in real time through various information sensing devices, and communication between the object and between the object and people is realized, so that intelligent identification, management and control are realized. The connection of people at any time, any place and any object is realized; the human can manage production and life in a finer and dynamic mode, and the real-time control and accurate management capability of the human to the physical world is improved, so that resource optimal configuration and scientific intelligent decision making are realized.
The system comprises 3 layers, namely an automatic sensing layer (monitoring by using a sensor, RFID and the like needs to pay attention to physical information quantity, and relates to information sensing, acquisition, detection, analysis and processing), a network transmission layer (researching how to carry out remote transmission and network access on the original information of the digital signals), and an information processing and application layer (remote control, application and management).
Specifically, firstly, a multisource information sensing terminal installed on a cold chain logistics vehicle needs to collect relevant important information such as temperature, humidity, time, address positions and the like of the external environment where fresh and alive aquatic products are located in due time, and the information is transmitted to a vehicle-mounted terminal main controller of the vehicle through a sensor for local storage and is transmitted to a central server through a public base station in a remote mode, so that double backup of the local end and the remote end of original data is achieved.
And secondly, the communication system is deployed in a logistics vehicle, an EnOcean wireless communication technology supporting energy collection is used, and a common GPRS, 3G and 4G mobile base station is used for a remote server.
And the server remotely reads and monitors by using the terminal through the Internet of things.
As shown in fig. 1, a system architecture diagram includes a vehicle-mounted terminal main controller 101, a sensing unit 103, a thermal insulation container 104, a base station 106, a server 107, and a remote terminal 108.
The vehicle-mounted terminal main controller 101 is placed in a vehicle control room, the sensing unit 103 is arranged in the vehicle body according to the requirement, and the vehicle-mounted terminal main controller 101 communicates with the sensing unit 103 through the EnOcean communication protocol 102. Because EnOcean is 30 meters away from the room, the wireless sensor can directly communicate with the main controller without using a repeater, has a simple structure, can adopt a passive wireless technology without being provided with a battery cable and a communication line, is flexible to lay, and can be placed in any sealed heat-preserving container 104, thereby realizing the regional monitoring management of the carriage.
The in-vehicle terminal main controller 101 communicates with the base station 106 through the wireless network 105. And stores the information in server 107 for access and monitoring by remote terminal 108.
Base station 106 may be a GPRS, 3G, 4G mobile base station.
The system adopts the EnOcean protocol, so that on one hand, the power consumption is low, and on the other hand, the EnOcean can support an energy collection function, and an energy collection module can collect energy generated by surrounding environment, such as mechanical energy, indoor light energy, energy of temperature difference and the like. After being processed, the energy is used for supplying the wireless communication module with the EnOcean ultra-low power consumption, so that a real wireless communication system without a power line, a power line and a battery is realized.
The vehicle-mounted terminal main controller is the core of the whole system, and as shown in fig. 2, comprises a central processing unit 212, a positioning module 201, a communication module 202, a display module 203, a control driving circuit 204, an unpacking alarm module 205, an Enocean communication module 207, a USB power supply unit 208, a vibration energy collection module 209, an energy management module 210 and a memory 211. The central processor 212 may employ a core ARM Cortex-M series microprocessor such as stm32. The positioning module 201 adopts GPS or beidou. The communication module 202 adopts GPRS, 3G and 4G communication modules. The display module 203 may configure a liquid crystal display. The control driving circuit 204 supports the output of control signals of multiple channels, and can be externally connected with control signals, so that the original refrigeration system of the vehicle can be comprehensively controlled and used. The control function of the monitoring system is increased. The open box alarm module 205 (the cover presses a point, and the opening touch monitors the opening and closing amount) effectively prevents external artificial interference and can give an alarm. The ENOCEAN communication module 207 implements the transceiving of the ENOCEAN signal transmitted from the sensing unit 103. The USB power supply unit 208 is connected with the vehicle-mounted storage battery, and uninterrupted power supply is realized. Vibration energy collection module 209 (ENOCEAN energy collection module) has collected the vibration energy of vehicle operation in-process, realizes no power supply. The energy management module 210 (mainly implementing a voltage stabilizing function) implements energy management and storage. The memory 211 is used for storing real-time monitoring information and providing guarantee for information tracing. The vehicle-mounted terminal main controller 101 communicates with the base station 106 through the communication module 202, and the protocol conversion unit 206 implements analysis and conversion of the ENOCEAN protocol, processes the converted signals into communication signals acceptable by the base station 106, and transmits information to a server side for remote access.
The embodiment 1 of the structure of the sensing unit 103 is shown in fig. 3, and is mainly implemented by an SOC system on chip, and has a simple structure and low power consumption. The voltage input end vcc_soc and the ground end GND of the SOC chip module 302 are correspondingly connected to the voltage output end Vcc and the ground end GND of the power module 305, the radio frequency signal positive polarity end rf_p, the radio frequency power gain voltage RX/TX and the radio frequency signal negative polarity rf_n of the SOC chip module 302 are correspondingly connected to the radio frequency signal positive polarity end rf_p, the radio frequency power gain voltage end RX/TX and the radio frequency signal negative polarity end rf_n of the antenna module 301, respectively, the Reset input end Reset of the SOC chip module 302 is connected to the Reset output end Reset of the Reset module 304, and the clock input end CLK of the SOC chip module 302 is connected to the clock output end CLK of the clock module 303. The AD end of the SOC chip module 302 is connected with a signal line of the temperature detection 306 device, a power supply is connected with the power supply module, and the EnOcean wireless communication technology is adopted, so that the power consumption is low.
The sensing unit 103 is configured as shown in fig. 4, in embodiment 2, the power module 305 is not directly adopted, but the EnOcean energy collection unit 307 is used, and other structures are the same as those in fig. 3, so that no battery power supply and maintenance free are realized.
The specific workflow is shown in fig. 5, the main controller of the vehicle-mounted terminal is initialized, waits for receiving the signal sensor information of the ENOCEAN, analyzes the information after receiving, immediately alarms if the temperature exceeds the limit value, initiatively starts corresponding executing mechanisms (generally, the original vehicle is transformed into a refrigerating system, an air conditioner and the like) if the auxiliary automatic control function is started, stores the information, displays and reports data to a server if the reporting period is up, and provides remote monitoring.
The system adopts the EnOcean protocol, so that on one hand, the power consumption is low, on the other hand, the EnOcean can support an energy collection function, and the EnOcean energy collection module can collect energy generated by the surrounding environment, such as mechanical energy, indoor light energy, energy of temperature difference and the like. After being processed, the energy is used for supplying the EnOcean communication module with the ultralow power consumption of EnOcean, so that a real communication system without a data line, a power line and a battery is realized.
The sensing unit detects temperature, the temperature information is summarized to the main controller through the EnOcean wireless energy acquisition technology and the wireless communication technology, and the main controller uploads the information to the server through the GPRS/3G/4G network. The energy collection technology of EnOcean is adopted, the tiny vibration energy is collected in the transportation process, the electric energy of the sensor and the main controller can be supplied, the wireless communication technology of EnOcean is adopted, the power consumption is low, the power supply of the sensor and the charging of the main controller are realized, a signal wire and a power wire are not required to be deployed, the energy is saved, the consumption is reduced, and the arrangement is flexible.
Claims (2)
1. A passive wireless cold chain transportation vehicle-mounted real-time monitoring system based on the Internet of things is characterized in that: the system comprises a vehicle-mounted terminal main controller (101), a sensing unit (103), a heat preservation container (104), a base station (106), a server (107) and a remote terminal (108); the vehicle-mounted terminal main controller (101) is respectively connected with the sensing unit (103) and the base station (106), and the base station (106) and the remote terminal (108) are respectively connected with the server (107);
a vehicle-mounted terminal main controller (101) is placed in a vehicle control room, a sensing unit (103) is arranged in a thermal insulation container (104) in the vehicle box, and the vehicle-mounted terminal main controller (101) is communicated with the sensing unit (103) through an Enocean communication protocol (102);
the vehicle-mounted terminal main controller (101) communicates with the base station (106) through the wireless network (105); the base station (106) stores the information in the server (107), accesses and monitors the server (107) through the remote terminal (108);
the vehicle-mounted terminal main controller (101) comprises a central processing unit (212), a positioning module (201), a communication module (202), a display module (203), a control driving circuit (204), an opening alarm module (205), an ENOCEAN communication module (207), a USB power supply module (208), a vibration energy collection module (209), an energy management module (210) and a memory (211);
the central processing unit (212) is respectively connected with the positioning module (201), the communication module (202), the display module (203), the control driving circuit (204), the case opening alarm module (205), the ENOCEAN communication module (207) and the energy management module (210), the memory (211) is connected, the energy management module (210) is respectively connected with the USB power supply unit (208) and the vibration energy collection module (209), the ENOCEAN communication module (207) is connected with the sensing unit (103), and the positioning module (201) and the communication module (202) are respectively connected with the base station (106); the vibration energy collection module (209) collects vibration energy in the running process of the vehicle, so that power supply without a power supply is realized;
the sensing unit (103) comprises an antenna (301), an SOC chip module (302), a clock module (303), a reset module (304), a temperature detection module (306) and an Enocean energy acquisition unit (307);
the voltage input end Vcc_Soc and the ground wire end GND of the SOC chip module (302) are correspondingly connected with the voltage output end Vcc1 and the ground wire end GND of the Enocean energy acquisition unit (307), the radio frequency signal positive polarity end RF_P, the radio frequency power gain voltage RX/TX and the radio frequency signal negative polarity RF_N of the SOC chip module (302) are respectively connected with the radio frequency signal positive polarity end RF_P, the radio frequency power gain voltage end RX/TX and the radio frequency signal negative polarity end RF_N of the antenna module (301), the Reset input end Reset of the SOC chip module (302) is connected with the Reset output end Reset of the Reset module (304), the clock input end CLK of the SOC chip module (302) is connected with the clock output end CLK of the clock module (303), the AD end of the SOC chip module (302) and the signal wire of the temperature detection module (306) are respectively connected with the radio frequency signal positive polarity end RF_P, the radio frequency power gain voltage end RX/TX and the radio frequency signal negative polarity RF_N of the antenna module (301), and the energy generated by the Enocean energy acquisition unit (307) can acquire ambient energy.
2. The passive wireless cold chain transportation vehicle-mounted real-time monitoring system based on the internet of things of claim 1, wherein: the central processing unit (212) is realized by adopting a core ARM Cortex-M series microprocessor STM 32; the positioning module (201) adopts GPS or Beidou positioning; the communication module (202) is realized by adopting a GPRS or 3G or 4G communication module; the display module (203) adopts a liquid crystal display screen; the control driving circuit (204) supports the output of control signals of multiple channels, can be externally connected with control signals, and is convenient for the comprehensive control and use of the original refrigeration system of the vehicle; the box opening alarm module (205) effectively prevents external artificial interference and can alarm; an ENOCEAN communication module (207) is used for realizing the transceiving of an ENOCEAN signal transmitted by the sensing unit (103); the USB power supply unit (208) is connected with the vehicle-mounted storage battery, so that uninterrupted power supply is realized; the energy management module (210) realizes the management and storage of energy; the memory (211) is used for completing the storage of real-time monitoring information and providing guarantee for information tracing; the vehicle-mounted terminal main controller (101) is communicated with the base station (106) through the communication module (202), the protocol conversion unit (206) in the central processing unit (212) is used for realizing analysis and conversion of an ENOCEAN protocol and processing the ENOCEAN protocol into communication signals which can be accepted by the base station (106), and the base station (106) transmits the received information to the server (107) so as to facilitate remote access; the sensing unit (103) detects temperature, gathers temperature information to the vehicle-mounted terminal main controller (101) through an Enocean wireless energy acquisition technology and a wireless communication technology, and the vehicle-mounted terminal main controller (101) uploads the information to the server (107) through a GPRS or 3G or 4G network.
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