CN202257204U - Network type monitoring equipment for cold-chain logistics freight container - Google Patents

Network type monitoring equipment for cold-chain logistics freight container Download PDF

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Publication number
CN202257204U
CN202257204U CN 201120264906 CN201120264906U CN202257204U CN 202257204 U CN202257204 U CN 202257204U CN 201120264906 CN201120264906 CN 201120264906 CN 201120264906 U CN201120264906 U CN 201120264906U CN 202257204 U CN202257204 U CN 202257204U
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China
Prior art keywords
vehicle
unit
collector
monitoring
watch
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Expired - Fee Related
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CN 201120264906
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Chinese (zh)
Inventor
张瑞瑞
陈立平
陈天恩
徐刚
张弛
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Beijing Research Center of Intelligent Equipment for Agriculture
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Beijing Research Center of Intelligent Equipment for Agriculture
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Abstract

The utility model relates to the technical field of the network monitoring and provides network type monitoring equipment for a cold-chain logistics freight container. The equipment comprises a vehicle-mounted control terminal, an air temperature and humidity collector which is interactive with the vehicle-mounted control terminal through a short-distance wireless chain, a freight container video collector and a freight container door state collector, wherein each one of the vehicle-mounted monitoring terminal and the collectors comprises a wireless transmitting-receiving unit of an ad hoc network; an ad hoc network is formed by the wireless transmitting-receiving units of the collectors and a first wireless transmitting-receiving unit in the vehicle-mounted monitoring terminal; and information collected by all the collectors is sent to the vehicle-mounted monitoring terminal by the established short-distance wireless chain. By using the short-distance ad hoc network wireless communication technology, the collectors can be flexibly switched on according to monitoring demands; furthermore, the positions of the collectors can be flexibly moved or the number of the collectors can be increased or decreased according to the monitoring demands. And the network type monitoring equipment of the cold-chain logistics freight container can carry out whole-course monitoring on the carriage environment and the truck loading and unloading processes in the cold-chain transportation, thereby enhancing the effectiveness and the practical applicability of the monitoring.

Description

Network-type Cold Chain Logistics loading space watch-dog
Technical field
The utility model relates to the network monitoring technical field, particularly a kind of network-type Cold Chain Logistics loading space watch-dog.
Background technology
China accounts for 20% more than of food production total value because of the waste that abandons rotten food and cause reaches 70,000,000,000 yuans every year.Some food in the middle of transportation because of being dropped by long-period freshness preserving.The expert claims that this wasting phenomenon mainly causes owing to lacking " cold chain transportation " system.In the fresh and alive Perishable Freight Transport, except minority part really because of taking care of in the way or the vehicle discomfort caused death, wherein great majority all were because due to taking place to rot.
Cold chain transportation process must rely on special-purpose vehicles such as freezing or refrigeration to carry out; Freezing or refrigeration special-purpose vehicle must extraly be provided with freezing or refrigeration and heat-preserving equipment onboard; And in transportation, will to pay special attention to must be continuous refrigeration; Because microbial activities and respiration are all strengthened along with the rising of temperature, if each link can not guarantee the condition of refrigeration continuously in the transportation, goods just might putresce rotten in this link so.And receiving human factor, electric apparatus mounted on vehicle failure and other reasons, " the many temperature of cold chain " phenomenon frequently occurs in the cold chain transportation, has had a strong impact on goods freshness and the quality in the Cold Chain Logistics.And the loading-unloading vehicle process of cold chain transportation also must strict control time and handling ring environmental temperature and humidity.So, from this angle, want to improve current cold chain freight quality, must transport overall process add-on third party monitoring of tools to cold chain, thereby improve the monitoring and the supervision of cold chain transportation.
Current special third party's watch-dog to the cold chain transportation is also less relatively.How the watch-dog of loading operation only is the monitoring of transport vehicle driving path and position at present.Part also only is a single-point acquiring humiture information to the temperature humidity monitoring of cold chain transport vehicle loading space, can not accurately reflect integrated environment in the compartment.
The utility model content
The technical matters that (one) will solve
To above-mentioned shortcoming, the utility model provides a kind of network-type Cold Chain Logistics loading space watch-dog in order to solve the problem that can not accurately keep watch on the Cold Chain Logistics loading space in the prior art.Based on the wireless self-networking technology and the mobile 3G communication technology, vehicle environment and loading-unloading vehicle process in the cold chain transportation are carried out complete monitoring, strengthened the validity and the practicality of monitoring.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model specifically adopts following scheme to carry out:
A kind of network-type Cold Chain Logistics loading space watch-dog, said watch-dog comprise the vehicle-mounted control terminal and carry out mutual aerial temperature and humidity collector, loading space video collector and goods-carriage-door state acquisition device with said vehicle-mounted control terminal through short range links;
Wherein, Include the wireless transmit/receive units of a MANET in said vehicle monitor terminal and each collector, the first wireless transmit/receive units MANET in wireless transmit/receive units in each collector and the said vehicle monitor terminal also sends to said vehicle monitor terminal through the said short range links set up with the information of each collector collection.
Preferably, the said vehicle monitor terminal global location unit, wide area network wireless communication unit and the power conversion unit that also comprise control module and receive the control of said control module.
Preferably, said first wireless transmit/receive units, global location unit and wide area network wireless communication unit are connected with said control module through serial ports.
Preferably, said power conversion unit carries out power source conversion and is that said first wireless transmit/receive units, global location unit and wide area network wireless communication unit provide power supply under the control of said control module.
Preferably, said aerial temperature and humidity collector specifically comprises: aerial temperature and humidity sensing unit, second wireless transmit/receive units, first microcontroller and first battery management unit.
Preferably, said loading space video acquisition implement body comprises: the 3rd wireless transmit/receive units, second microcontroller, second battery management unit, video camera and based on the data transmission unit that moves 3G network.
Preferably, said goods-carriage-door state acquisition implement body comprises: the 4th wireless transmit/receive units, the 3rd microcontroller, the 3rd battery management unit and 2 supersonic sounding unit; Said 2 supersonic sounding unit are installed in the interior loading space top apart from railway carriage or compartment door certain distance of loading space.
Preferably, vehicle location, course, speed of a ship or plane information are read through said global location unit in said vehicle-mounted control terminal, and send to the logistics monitoring center through said wide area network wireless communication unit after the information package with itself and each collector collection.
(3) beneficial effect
The utility model utilizes short distance MANET wireless communication technology; Make collector to start flexibly according to monitoring requirements; And can be according to the flexible shift position of monitoring needs or increase/minimizing quantity; And can carry out complete monitoring to vehicle environment and loading-unloading vehicle process in the cold chain transportation, strengthen the validity and the practicality of monitoring.
Description of drawings
Fig. 1 is the structural representation of the disclosed network-type Cold Chain Logistics of the utility model loading space watch-dog.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment is a part of embodiment of the utility model, rather than whole embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the utility model is protected.
The utility model provides a kind of network-type Cold Chain Logistics loading space watch-dog, the embodiment of the utility model done following explanation below in conjunction with accompanying drawing:
As shown in Figure 1; Network-type Cold Chain Logistics loading space watch-dog in the utility model mainly is made up of with a plurality of collector 2-4 vehicle-mounted control terminal 1; Vehicle-mounted control terminal 1 is through the vehicle accumulator power taking; Each collector 2-4 utilizes short distance MANET communication to carry out networking and data interaction then by rechargeable battery powered between each collector 2-4 and the vehicle-mounted control terminal 1.
Each collector 2-4 distributes and is installed in loading space inside, and forms inherent interaction relation, realizes the monitoring to the variation of loading space aerial temperature and humidity, goods-carriage-door Open-closure state and handling goods process; The positional information of vehicle is read through the global location unit in vehicle-mounted control terminal 1, and sends to the logistics monitoring center after its data with the collector collection are packed.
Wherein, the vehicle-mounted control terminal is made up of global location unit, wide area network wireless communication unit, first wireless transmit/receive units, control module, power conversion unit.
Main integrated GPS module in the global location unit, the GPS module preferably adopts SkylabGB10, and its basic parameter is: operating frequency L1 (1575.42MHz); Reception signal 12 radio frequency channels of C/A sign indicating number; Sensitivity-152dBm, WV direct current 3.3-5V, the communications protocol of NMEA-0183/UBP.Adopt serial mode to be connected between the microprocessor of global location unit and control module.
GPRS module that the wide area network wireless communication unit is mainly integrated, the GPRS module preferably adopts BENQ M23, has 900/1800/1900MHZ three frequency range working methods, the emissive power of 2W, WV 3.3V-4.2V.Also adopt serial mode to be connected between the microprocessor of wide area network wireless communication unit and control module.
The main integrated CC1000 chip of first wireless transmit/receive units, this chip operation is at the 433MHz frequency band, and maximum data transfer rate is 76.8kbps, adopts external passive 14.7456MHz crystal oscillator to drive.CC1000 is connected with PD4, PD6, the PD7 pin of the microprocessor of control module through PCLK, PDATA, PALE 3-line serial interface, realizes the read-write to 36 8 configuration registers in CC1000 inside, thereby accomplishes the initial configuration to the CC1000 chip; Be connected the exchanges data that realizes CC1000 and microprocessor with PB2/PB3, the PB1 of microprocessor through SPI MISO, SPI SCK; The RSSI of CC1000 is connected with 61 pins of microprocessor, is used for transmitting spacing wave intensity; CHP_OUT is connected with 45 pin of microprocessor, is used to realize the monitoring of microprocessor to PLL LOCK signal.
Control module is a microprocessor, as the core of control and management, preferably adopts master controller ATmega128L to realize.The concrete implementation of this optimal way is following: 23,24 pins of ATmega128L connect the passive crystal oscillator of 7.3728MHz, and 18,19 pins connect the passive crystal oscillator of 32KHz; 46,54 pins cooperate, and realize the measurement of cell voltage by voltage stabilizing chip LM4041-1.2; 27,28,30,48 pin are connected with FLASH storage chip AT45DB041, as extended memory, and the data of the sensor interface unit transmission in memory node configuration of devices parameter or the operational process; 49,50,51 connect 3 not homochromy LED lights respectively; Be used for realizing the demonstration directly perceived to the node device duty: the vehicle-mounted repeater gps signal of red LED flicker expression is effective; The vehicle-mounted repeater GPRS link of green LED flicker expression is normal, and vehicle-mounted repeater of yellow flashing led and collector are carrying out data interaction.47 pins of microprocessor also generate chip DS2401P with sequence number and link to each other, thereby the identification number ID that has realized node device easily distributes; 54,55,56,57,20 link to each other with the 10-pin plug through pull-up resistor; As outside JTAG (Joint Test Action Group) interface; Be used for node device inside programming, program download etc., realize programming the inner FLASH storer of master controller ATmega128L, EEPROM EEPROM, fuse bit and encrypted bits.
Power conversion unit preferably mainly is made up of regulator LM2596 chip and 2 voltage stabilizer MCP1727; LM2596 realizes the conversion of 12V voltage to 5V; First MCP1727 chip realizes that 5V changes to 3.0V; Second MCP1727 chip realized 5V to the 4.2V conversion, and the Enable Pin of MCP1727 is connected with microprocessor, so that when M23 GPRS module, GPS module or CC1000 communication unit are unusual, realization is cut off the power supply and restarted.The 5V power supply is mainly the GPS module power supply is provided, and the 4.2V power supply is mainly the GPRS module power supply is provided, and 3V is mainly microcontroller and CC1000 element circuit etc. power supply is provided.
A plurality of collectors specifically are aerial temperature and humidity collector 2, goods-carriage-door state acquisition device 3, loading space video collector 4 etc.
Wherein the aerial temperature and humidity collector comprises air themperature sensing unit, first microcontroller, second wireless transmit/receive units and first battery management unit.The aerial temperature and humidity sensing unit preferably adopts SHT11 single-chip sensor; Be to contain the humiture compound sensor of calibrating digital signal output; Supply voltage is 2.4-5.5V, and aerial temperature and humidity sensing unit and first microprocessor are through common three-way the connection, with class I 2The C mode communicates, and in addition, the aerial temperature and humidity sensing unit can be built-in sensors.
The loading space video collector comprises video camera, the wireless video transmission unit based on 3G, second microcontroller, the 3rd wireless transmit/receive units and second battery management unit.Video camera and adopt sea, Shenzhen core prestige to look the HX7005GW WCDMA type web camera of Science and Technology Ltd. wherein based on the wireless video transmission unit of 3G; The web camera power supply can carry out switch control through second microcontroller.
Goods-carriage-door state acquisition device comprises 2 ultrasonic ranging unit, the 3rd microcontroller, the 4th wireless transmit/receive units and the 3rd battery management unit.Wherein the ultrasonic ranging unit selects for use the URM04 V2.0 design of ultrasonic distance measuring module of Beijing Science and Technology Ltd. of the many robots of all remittances of dragon to accomplish, and module is connected with microprocessor through the RS232 interface, and directly output is apart from digital quantity.Minimum measuring distance 4cm, maximum measuring distance 500cm.When mounted, 2 range finder modules are installed in loading space inner distance railway carriage or compartment door distance respectively greater than 4cm loading space top far away.
First to the 3rd battery management unit is preferably the lithium battery administrative unit, and said lithium battery administrative unit preferably adopts CN3052 charging management chip, CR6002 li-ion cell protection chip and PT1301 boost chip, AMS1117 voltage transitions chip.
The utility model network-type Cold Chain Logistics loading space watch-dog is in when work, and each collector is energized as required, accomplish self start initialization and accomplish MANET with the vehicle-mounted control terminal after, gather corresponding data and send to the vehicle-mounted control terminal; Can cut off the electricity supply as required subsequently and get into dormant state to save battery electric power; After through certain sampling or sense cycle, waken up data acquisition and the transmission of carrying out once more once more.Wherein, sampling or detection frequency can be provided with and adjust with demand as the case may be.
Particularly, the working method of said aerial temperature and humidity collector is:
Accomplish self start initialization and accomplish networking with the vehicle-mounted control terminal after; Gather environment temperature and relative air humidity numerical value and send to the vehicle-mounted control terminal; Simultaneously said numerical value is deposited in the working storage of first microcontroller; Then first microcontroller and aerial temperature and humidity sensing unit get into dormant state, and the second wireless transmit/receive units power supply is cut off;
After a sampling period, first microcontroller is waken up, and aerial temperature and humidity sensing unit power connection is gathered environment temperature and relative air humidity numerical value once more, and compares with last secondary data; If numerical difference between is less than some setting thresholds, then first microcontroller gets into dormancy once more; If greater than some setting thresholds, then connect the second wireless transmit/receive units power supply, send the numerical value of gathering once more to the vehicle-mounted control terminal, and deposit up-to-date numerical value in working storage; After confirming that numerical value is received at the vehicle-mounted control terminal, cut off the second wireless transmit/receive units power supply once more, and control first microcontroller and aerial temperature and humidity sensing unit entering dormant state.
And said vehicle-mounted control terminal and said goods-carriage-door state acquisition device and said loading space video collector is alternately:
When the vehicle-mounted control terminal detects car speed and is zero; Vehicle-mounted control terminal control loading space video collector is connected based on the data transmission unit power supply that moves 3G network; And, improve the detection frequency of goods-carriage-door state acquisition device to goods-carriage-door state acquisition device sending controling instruction;
When goods-carriage-door state acquisition device detected goods-carriage-door and is in opening, goods-carriage-door state acquisition device sent information to the vehicle-mounted control terminal;
When the detected goods-carriage-door of goods-carriage-door state acquisition device is received by after closing the information that becomes unlatching in the vehicle-mounted control terminal, control the loading space video collector and connect the video camera power supply;
When the vehicle-mounted control terminal detects car speed greater than 10km/h; And goods-carriage-door state acquisition device detects goods-carriage-door and is become when cutting out by unlatching; Sending controling instruction is closed the data transmission unit power supply and the video camera power supply based on mobile 3G network of loading space video collector, and reduces goods-carriage-door state acquisition device opposite house status detection frequency.
By the way; The utility model utilizes short distance MANET wireless communication technology; Make collector to start flexibly according to monitoring requirements; And can be according to the flexible shift position of monitoring needs or increase/minimizing quantity, and can carry out complete monitoring to vehicle environment and loading-unloading vehicle process in the cold chain transportation, strengthened the validity and the practicality of monitoring.
Above embodiment only is used to explain the utility model; And be not the restriction to the utility model; The those of ordinary skill in relevant technologies field under the situation of spirit that does not break away from the utility model and scope, can also be made various variations and modification; Therefore all technical schemes that are equal to also belong to the category of the utility model, and the real protection scope of the utility model should be defined by the claims.

Claims (8)

1. network-type Cold Chain Logistics loading space watch-dog; It is characterized in that said watch-dog comprises vehicle-mounted control terminal (1) and carries out mutual aerial temperature and humidity collector (2), loading space video collector (3) and goods-carriage-door state acquisition device (4) with said vehicle-mounted control terminal (1) through short range links;
Wherein, Include the wireless transmit/receive units of a MANET in said vehicle monitor terminal (1) and each collector, the first wireless transmit/receive units MANET in wireless transmit/receive units in each collector and the said vehicle monitor terminal (1) also sends to said vehicle monitor terminal (1) through the said short range links set up with the information of each collector collection.
2. watch-dog according to claim 1 is characterized in that, global location unit, wide area network wireless communication unit and power conversion unit that said vehicle monitor terminal (1) also comprises control module and receives said control module control.
3. watch-dog according to claim 2 is characterized in that, said first wireless transmit/receive units, global location unit and wide area network wireless communication unit are connected with said control module through serial ports.
4. watch-dog according to claim 2 is characterized in that, said power conversion unit carries out power source conversion and is that said first wireless transmit/receive units, global location unit and wide area network wireless communication unit provide power supply under the control of said control module.
5. watch-dog according to claim 1 is characterized in that, said aerial temperature and humidity collector (2) specifically comprises: aerial temperature and humidity sensing unit, second wireless transmit/receive units, first microcontroller and first battery management unit.
6. watch-dog according to claim 1; It is characterized in that said loading space video collector (3) specifically comprises: the 3rd wireless transmit/receive units, second microcontroller, second battery management unit, video camera and based on the data transmission unit that moves 3G network.
7. watch-dog according to claim 1 is characterized in that, said goods-carriage-door state acquisition device (4) specifically comprises: the 4th wireless transmit/receive units, the 3rd microcontroller, the 3rd battery management unit and 2 supersonic sounding unit; Said 2 supersonic sounding unit are installed in the interior loading space top apart from railway carriage or compartment door certain distance of loading space.
8. watch-dog according to claim 2; It is characterized in that; Vehicle location, course, speed of a ship or plane information are read through said global location unit in said vehicle-mounted control terminal (1), and send to the logistics monitoring center through said wide area network wireless communication unit after the information package with itself and each collector collection.
CN 201120264906 2011-07-25 2011-07-25 Network type monitoring equipment for cold-chain logistics freight container Expired - Fee Related CN202257204U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102393682A (en) * 2011-07-25 2012-03-28 北京农业智能装备技术研究中心 Network type monitoring equipment and monitoring method for cold-chain logistics cargo compartments
CN107941281A (en) * 2017-12-20 2018-04-20 福州金掌柜电子商务有限公司 A kind of intelligent Cold Chain Logistics monitoring system based on multimode communication
CN109798938A (en) * 2019-03-07 2019-05-24 北京华力方元科技有限公司 A kind of cold chain equipment Monitoring System and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102393682A (en) * 2011-07-25 2012-03-28 北京农业智能装备技术研究中心 Network type monitoring equipment and monitoring method for cold-chain logistics cargo compartments
CN102393682B (en) * 2011-07-25 2013-06-19 北京农业智能装备技术研究中心 Network type monitoring equipment and monitoring method for cold-chain logistics cargo compartments
CN107941281A (en) * 2017-12-20 2018-04-20 福州金掌柜电子商务有限公司 A kind of intelligent Cold Chain Logistics monitoring system based on multimode communication
CN109798938A (en) * 2019-03-07 2019-05-24 北京华力方元科技有限公司 A kind of cold chain equipment Monitoring System and method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120530

Termination date: 20190725

CF01 Termination of patent right due to non-payment of annual fee