CN101853566A - Cold chain transportation process information monitoring system and method - Google Patents
Cold chain transportation process information monitoring system and method Download PDFInfo
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Abstract
The invention discloses a cold chain transportation process information monitoring system, comprising a wireless sensor acquisition device, a vehicle-bone monitoring device and a remote server; wherein the wireless sensor acquisition device is used for acquiring temperature, humidity and ethylene gas concentration information data in carriage in real time and transmitting the information data to the vehicle-bone monitoring device; and the vehicle-bone monitoring device is used for receiving and processing the information data transmitted by the wireless sensor acquisition device and transmitting the processed information to the remote server. The device and method of the invention can store the acquired information into the monitoring device, can transmit data to the remote server in real time and can realize real-time and whole course dual monitoring.
Description
Technical field
The present invention relates to cold chain transportation equipment field, particularly relate to a kind of cold chain transportation process information monitoring system and method.
Background technology
The cold chain transportation is the important measures that ensure agricultural product transportation quality safety.Fruit itself has fresh and alive property, and the fruit transportation has regionality, seasonality, dispersiveness, perishability, and these characteristics have determined to adopt the cold chain transportation to seem particularly important to fruit.
Compare with American-European developed country, China's fruit cold chain transportation is also very weak, fruit transportation more than 80% is still normal temperature transportation or transportation naturally, especially lack the effective monitoring of the various information of cold chain transportation process and the aid decision making of transportation, cause the loss percentage of fruit in transportation bigger, also cause secondary pollution easily.At present the main information to the monitoring of fruit cold chain transportation process is temperature, and recording means mainly is to rely on manual measurement and paper record, this mode inefficiency, is unfavorable in time finding quality problems, just record and can not play the monitoring effect.
Along with the development of infotech, existing related information technology is applied to the cold chain transportation process monitoring, mainly contains dual mode.A kind of is by laying temperature sensor in refrigerator carriage, and sensor is connected with display device in the pilothouse by wired mode; Another kind is that the electronic tag that will have temperature sensor is put in the refrigerator carriage, has arrived the information that stores in the reading tag behind the destination and can realize monitoring.
Present existing technical scheme all exists some defectives, can not well play the effect of real-time monitoring, thereby influence fruit quality, and concrete defective is expressed as follows:
As above-mentioned method 1, adopt the method, when increasing a sensor node, need rewiring in the compartment, the transmission data line causes in car in a jumble easily, and has only a display device in the pilothouse, can not store, not with the communication function of remote server, thus influence monitoring and decision-making;
(2) as above-mentioned method 2, adopt the method, the collection factor is single, other factors that expand to except that temperature, humidity are difficult for, can not realize real-time monitoring, can only be recorded in data in the label, when arriving the destination, read out again, if, can not take effective measures and control like this at transportation generation quality security problem.
Summary of the invention
(1) technical matters that will solve
The technical problem to be solved in the present invention is how to realize omnidistance real-time, multi-parameter monitoring in the cold chain transportation process of fruit.
(2) technical scheme
For solving the problems of the technologies described above, a kind of cold chain transportation process information monitoring system is provided, it comprises:
The wireless senser harvester is used for gathering in real time temperature, humidity and ethylene gas concentration information data in the conveying carriage, and described information data is sent to vehicle-bone monitoring device;
Vehicle-bone monitoring device be used for receiving and handling by wireless senser harvester information data transmitted, and the information after will handling is sent to remote server;
Remote server is used for receiving by the vehicle-bone monitoring device information data transmitted, and shows the variation of haulage vehicle and order status in real time.
Preferably, described wireless senser harvester comprises:
Temperature collecting cell, humidity collecting unit and ethylene gas concentration collecting unit are respectively applied for temperature, humidity and the ethylene gas concentration information of gathering in the compartment.
Preferably, described wireless senser harvester also comprises:
The wireless transmission unit is used for sending the information data that collects to vehicle-bone monitoring device.
Preferably, described vehicle-bone monitoring device comprises radio receiving unit, is used to receive the information that wireless senser sends.
Preferably, described vehicle-bone monitoring device also comprises positioning unit, is used for gathering in real time the vehicle advanced positions information of transportation.
Preferably, described vehicle-bone monitoring device also comprises information process unit, is used to handle the information that information that radio receiving unit receives and locating device collect.
Preferably, described vehicle-bone monitoring device also comprises wireless communication unit, be used for sending by the information after the information process unit processing to remote server by wireless network, and reception is from the information of remote server.
Preferably, described vehicle-bone monitoring device also comprises display unit, is used to show environmental information and vehicle advanced positions information by after the information process unit processing.
The present invention also provides a kind of cold chain transportation process information monitoring method, and it comprises step:
S1 is by temperature, humidity and the ethylene concentration information data in the wireless sensor device collection compartment that places in the compartment;
S2 sends to the information data that collects the radio receiving unit of vehicle-bone monitoring device by wireless sensor network;
S3, whether vehicle-bone monitoring device receives and handles the information data from wireless sensor device, normal to judge vehicle environment, if undesired then warning, if normally then change step S4;
S4, information data is after treatment shown by the display unit of vehicle-bone monitoring device, is sent to remote server through wireless communication unit simultaneously.
Preferably, described step S1 and/or S2 comprise: by the positioning unit collection vehicle positional information of vehicle-bone monitoring device.
(3) beneficial effect
By the wireless senser harvester is set in refrigerator carriage, utilize wireless sensor network that the environmental information (as temperature, humidity, ethylene gas concentration etc.) of gathering in the compartment is transferred to vehicle-bone monitoring device, vehicle-bone monitoring device arrives the remote server end with vehicle position information and vehicle environment information transmission in real time by wireless network.Method of the present invention can be dynamically increases different sensor nodes in the compartment, can be in monitoring device, and can in real time data be sent to remote server with the information stores of gathering, realize in real time, omnidistance, double monitoring.
Description of drawings
Fig. 1 is the cold chain transportation process information monitoring device structural representation according to embodiment of the present invention;
Fig. 2 arranges synoptic diagram according to the harvester of embodiment of the present invention and monitoring device;
Fig. 3 (a)-(c) is that the cold chain transportation process information monitoring device under condition of different temperatures carries out data packet transceive rate test result figure.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
Cold chain transportation process information monitoring device of the present invention comprises wireless senser harvester, vehicle-bone monitoring device and remote server.The environmental information of sensor in some cycles is gathered airtight compartment, and data are reached vehicle-bone monitoring device by wireless mode (as Zigbee communication protocol); Vehicle-bone monitoring device receives data, and is presented at the display unit of vehicle-bone monitoring device; Vehicle-bone monitoring device has wireless receiving module, locating module, wireless communication module etc., the vehicle environment information that collects, positional information etc. can be sent to remote server by wireless network (as GPRS).By said process, realize real-time monitoring to fruit cold chain transportation overall process information.
Described wireless senser harvester is used for gathering in real time information such as temperature, humidity, ethylene gas concentration in the conveying carriage.
Described wireless senser harvester comprises:
Temperature collecting device is gathered the temperature information in the compartment in real time;
Humidity collector is gathered the humidity information in the compartment in real time;
Ethylene gas concentration harvester is gathered the ethylene gas concentration information in the compartment in real time;
Wireless base station apparatus sends the data message that collects to the radio receiver of vehicle-bone monitoring device.
Described vehicle-bone monitoring device is used for receiving in real time wireless senser harvester signal transmitted, can pass through locating device collection position information, and these information are transferred to remote server by GPRS or 3G mode.
Described vehicle-bone monitoring device comprises:
Radio receiver receives the information that the wireless senser harvester transmits, and information is saved in the memory module of vehicle-bone monitoring device;
The GPS locating device, the positional information during collection vehicle is advanced in real time;
Radio communication device sends information to remote server, and receives the information from remote server, and the information of reception comprises sequence information, haulage vehicle information etc.;
Display message is responsible for handling, stores and is generated to vehicle environment information monitoring software;
Display device is used to show the information after the vehicle environment information monitoring software processes, makes things convenient for the driver to understand environmental information and vehicle path of travel information in the compartment in real time.
On the basis of said apparatus, information monitoring method flow process of the present invention comprises following steps:
Step 1: gather the environmental information in the compartment by the temperature in the wireless senser harvester that is positioned in the compartment, humidity, ethylene sensor;
Step 2: the radio receiving unit that the information that collects is sent to vehicle-bone monitoring device by wireless sensor network;
Step 3: equipment for monitoring vehicles receives the data of sending from the wireless senser harvester, and vehicle environment information monitoring software is handled the data of gathering, and judges whether vehicle environment is normal, undesired just warning;
Step 4: the GPS locating device collection vehicle positional information of vehicle-bone monitoring device;
Step 5: data after treatment, the display device through vehicle-bone monitoring device shows on the one hand, sends to remote server through radio communication device on the one hand.
Wherein, step 4-may carry out simultaneously with step 1, step 2 or step 3.
The process of vehicle environment information monitoring software data processing specifically comprises:
1. handle the information that radio receiving unit receives
S1 receives after the wireless senser harvester sends packet information, to the processing of unpacking of data package informatin.Data packet format is: address bit 1x address bit 2x address bit 3x address bit 4 address bit 5x address bit 6x address bit 7x address bit 8x temperature value x humidity value x ethylene concentration value x wireless terminal node voltage z.Wherein x is the separator between different pieces of information, and z is the end mark of whole piece data.(annotate: because the wireless senser harvester is the form transmission data with 16 systems, data digital 0 with 0 beginning after vehicle-bone monitoring device receives data will be rejected, this can cause with the MAC Address of default not correspondence problem thereby to cause device to show incorrect, so add x separator and z end mark head it off);
S2, whether judgment data bag data are end mark z, if then data transmission is finished, if not then change step S3 over to;
S3, whether data are Frame end mark x in the judgment data bag, if not then figure place adds 1 follow-up continued access receipts, if then change step S4 over to;
Whether S4, judgment data framing bit number be greater than 1, if receive next Frame greater than 1.If not then mend 0 automatically before the data;
S5, with data deposit in the vehicle-bone monitoring device database in order to vehicle-mounted monitoring equipment show, GPRS transmits use.
2. handle the information that locating device receives:
S1, the data that collect from locating device are “ $GPGGA ", “ $GPGSA ", “ $GPGSV " and “ $GPRMC " etc. the data that mix of various forms, be separator with " r n ", will cut into plurality of sections with the data that read;
S2 since first section, judges whether to contain identifier “ $GPRMC ", if do not have, continue to judge next section, if having, preserve this character string, judge to stop;
S3 contains identifier “ $GPRMC to this section " character string cut for separator with ", ", according to “ $GPRMC " format description, obtain corresponding needed character string in the character string after the cutting,, and be stored in the vehicle-bone monitoring device database as time, longitude, latitude.
Below the solution of the present invention has been carried out experimental test, transport vehicle adopts the Feitian refrigerating transport vehicle of company of Beijing Automobile Workshop, its container inside dimension (length * wide * height) is 4250mm * 1810mm * 1900mm, in the compartment, place three cover wireless senser harvesters, place a cover vehicle-mounted monitoring device (position as shown in Figure 2) at pilothouse, automobile is travel under the normal condition (the about 40mph-60mph of speed).Test the data transmission rate in fully loaded and empty wagons transportation respectively, transmission speed is used 250Kbps, and gather a secondary data per 1 second, surveys 6000 data altogether, spends 100 minutes altogether.See Table 1.
By under 0 ℃, 5 ℃ and 12 ℃ of temperature and relative humidity (90%), having carried out the test that data transmission pack receiving and transmitting rate, envirment factor are gathered correctness, setting accuracy respectively.The result shows that influence not quite, has all reached (analysis result such as Fig. 3) more than 80% to different humitures to the pack receiving and transmitting rate, the collection correctness height of temperature, humidity, ethylene gas concentration, error is in 5%, accurate positioning, it is feasible utilizing said apparatus and method to carry out the monitoring of fruit transportation.
Table 1 experimental design table
As can be seen from the above embodiments, the embodiment of the invention is by adopting by the wireless senser harvester is set in refrigerator carriage, utilize wireless sensor network that the environmental information (as temperature, humidity, ethylene gas concentration etc.) of gathering in the compartment is transferred to vehicle-bone monitoring device, vehicle-bone monitoring device arrives the remote server end with vehicle position information and vehicle environment information transmission in real time by wireless network.This method can be dynamically increases different sensor nodes in the compartment, can be in monitoring device, and can in real time data be sent to remote server with the information stores of gathering, realize in real time, omnidistance, double monitoring.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (10)
1. a cold chain transportation process information monitoring system is characterized in that, described information monitoring system comprises:
The wireless senser harvester is used for gathering in real time temperature, humidity and ethylene gas concentration information data in the conveying carriage, and described information data is sent to vehicle-bone monitoring device;
Vehicle-bone monitoring device be used for receiving and handling by wireless senser harvester information data transmitted, and the information after will handling is sent to remote server;
Remote server is used to receive the information that vehicle-mounted end transmits, and shows the variation of haulage vehicle and order status in real time.
2. cold chain transportation process information monitoring system as claimed in claim 1 is characterized in that, described wireless senser harvester comprises:
Temperature collecting cell, humidity collecting unit and ethylene gas concentration collecting unit are respectively applied for temperature, humidity and the ethylene gas concentration information of gathering in the compartment.
3. cold chain transportation process information monitoring system as claimed in claim 2 is characterized in that, described wireless senser harvester also comprises:
The wireless transmission unit is used for sending the information data that collects to vehicle-bone monitoring device.
4. cold chain transportation process information monitoring system as claimed in claim 1 is characterized in that described vehicle-bone monitoring device comprises radio receiving unit, is used to receive the information that wireless senser sends.
5. cold chain transportation process information monitoring system as claimed in claim 4 is characterized in that described vehicle-bone monitoring device also comprises positioning unit, is used for gathering in real time the vehicle advanced positions information of transportation.
6. cold chain transportation process information monitoring system as claimed in claim 5 is characterized in that described vehicle-bone monitoring device also comprises information process unit, is used to handle the information that information that radio receiving unit receives and locating device collect.
7. cold chain transportation process information monitoring system as claimed in claim 6, it is characterized in that, described vehicle-bone monitoring device also comprises wireless communication unit, be used for sending by the information after the information process unit processing to remote server by wireless network, and receiving information from remote server, described information comprises sequence information, haulage vehicle information.
8. cold chain transportation process information monitoring system as claimed in claim 6 is characterized in that described vehicle-bone monitoring device also comprises display unit, is used to show environmental information and vehicle advanced positions information by after the information process unit processing.
9. a cold chain transportation process information monitoring method is characterized in that, described information monitoring method comprises step:
S1 is by temperature, humidity and the ethylene concentration information data in the wireless sensor device collection compartment that places in the compartment;
S2 sends to the information data that collects the radio receiving unit of vehicle-bone monitoring device by wireless sensor network;
S3, whether vehicle-bone monitoring device receives and handles the information data from wireless sensor device, normal to judge vehicle environment, if undesired then warning, if normally then change step S4;
S4, information data is after treatment shown by the display unit of vehicle-bone monitoring device, is sent to remote server through wireless communication unit simultaneously.
10. cold chain transportation process information monitoring system as claimed in claim 9 is characterized in that, described step S1 and/or S2 comprise: by the positioning unit collection vehicle positional information of vehicle-bone monitoring device.
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| 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 |
| CN102485515A (en) * | 2010-12-02 | 2012-06-06 | 中国国际海运集装箱(集团)股份有限公司 | Intelligent refrigerating transport vehicle |
| CN103389716A (en) * | 2013-07-27 | 2013-11-13 | 浙江求是人工环境有限公司 | Intelligent monitoring system and method for cold-chain logistics of agricultural products |
| CN103456153A (en) * | 2013-09-05 | 2013-12-18 | 黑龙江大学 | Real-time goods transportation monitoring system and real-time monitoring method |
| CN103542885A (en) * | 2012-07-16 | 2014-01-29 | 福建新大陆电脑股份有限公司 | Real-time temperature and humidity monitoring and alarm method for movable cold-chain equipment on basis of wireless communication |
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| CN102485515A (en) * | 2010-12-02 | 2012-06-06 | 中国国际海运集装箱(集团)股份有限公司 | Intelligent refrigerating transport vehicle |
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| CN108195429A (en) * | 2018-03-09 | 2018-06-22 | 天津农学院 | A kind of multipoint mode fruit cold chain transport monitoring system and its application method |
| CN110411512A (en) * | 2019-07-30 | 2019-11-05 | 河南牧业经济学院 | A kind of temperature and humidity monitored over time system for Cold Chain Logistics |
| CN112539778A (en) * | 2020-12-18 | 2021-03-23 | 河南省计量科学研究院 | Temperature and humidity measurement calibration system and calibration method for refrigerator car |
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