CN207488744U - A kind of cold chain transportation monitoring system based on RFID - Google Patents
A kind of cold chain transportation monitoring system based on RFID Download PDFInfo
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- CN207488744U CN207488744U CN201721338878.1U CN201721338878U CN207488744U CN 207488744 U CN207488744 U CN 207488744U CN 201721338878 U CN201721338878 U CN 201721338878U CN 207488744 U CN207488744 U CN 207488744U
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Abstract
The utility model provides a kind of cold chain transportation monitoring system based on RFID, including vehicle-mounted terminal equipment, communication network and monitoring center, the vehicle-mounted terminal equipment is installed in the compartment of cold chain transportation vehicle, and the vehicle-mounted terminal equipment carries out wireless data transmission by the communication network and the monitoring center；The vehicle-mounted terminal equipment includes RFID data collecting unit, central processor unit, GPS positioning unit, wireless communication unit, display unit and alarm unit.The utility model uses advanced RFID technique, GPS positioning technology, the communication technology and temperature and humidity sensing technology, it realizes in cold chain transportation process and is recorded in the variation of kinds of goods humiture " in the RFID label tag with Temperature Humidity Sensor ", upload to monitoring center in real time, temperature-humidity monitoring promptly and accurately is provided, so as to control the transports of kinds of goods in way parameter, early warning can be triggered in time if necessary.
Description
Technical field
The utility model is related to internet of things field, more particularly to a kind of cold chain transportation monitoring system based on RFID.
Background technology
Cold chain transportation refers in overall process is transported, either handling, change means of transportation, replace packaging facilities etc.
Link all makes transported cargo remain the transport of certain temperature.Cold chain transportation mode can be highway transportation, water route fortune
The multi-transportation mode of defeated, railway transportation, air transportation or a variety of means of transportation composition.Cold chain transportation is cold chain object
One important link of stream.The object of cold chain transportation mainly has：Pharmaceuticals such as vaccine, blood product etc., fresh-keeping foodstuff is for example quick-frozen
Food, meat, cold drink, veterinary antibiotics, aquatic products etc..
For cold chain transportation, traditional monitor mode is to measure and record entire compartment using Temperature and Humidity recorder
Humiture, i.e. every cold chain transportation vehicle puts one or more Temperature and Humidity recorders to measure and record transportational process
Temperature and Humidity recorder and computer after cargo reaches transport destination, are passed through wired connection by the humiture in middle compartment
Mode import data to, then carry out data statistics and analysis, such as find out maximum value, minimum value and curvilinear trend etc..It passes
The Temperature and Humidity recorder of system is expensive, bulky, can not carry out thermometric to single babinet, can not automatic identification kinds of goods
Information and need wired connection and manual intervention that could export data, company and client can not dynamically detect cold chain transportation vehicle
Process status, reduce monitoring center monitoring accuracy and real-time, it is warm and humid that modern cold chain transportation industry can not be met
Spend the requirement of monitoring.
Utility model content
(1) the technical issues of solving
To solve the above-mentioned problems, the utility model provides a kind of cold chain transportation monitoring system based on RFID, RFID
Data acquisition unit effectively reduces vehicle-mounted terminal equipment energy consumption, eliminates the manual intervention during tracking, and wireless communication is single
Member is so that user saves quality time and maintenance cost, monitoring center monitors cold chain fortune in real time without other networking for client
Defeated vehicle in way information, user can also be inquired by mobile terminal.
(2) technical solution
A kind of cold chain transportation monitoring system based on RFID, including vehicle-mounted terminal equipment, communication network and monitoring center, institute
It states vehicle-mounted terminal equipment to be installed in the compartment of cold chain transportation vehicle, the vehicle-mounted terminal equipment passes through the communication network and institute
It states monitoring center and carries out wireless data transmission；The vehicle-mounted terminal equipment includes RFID data collecting unit, central processing unit list
Member, GPS positioning unit, wireless communication unit, display unit and alarm unit；In the RFID data collecting unit acquisition compartment
Label information；The GPS positioning unit receives the navigation message that GPS positioning satellite transmits；The central processor unit
The data acquired to the RFID data collecting unit analyze and process, and the GPS received to the GPS positioning unit determines
Position data are parsed and are encapsulated；The vehicle-mounted terminal equipment is sent real by the wireless communication unit to the monitoring center
When data and be shown on the display unit；The central processor unit is by the wireless communication unit to mobile terminal
Send SMS Tip, while the alarm unit warning reminding.
Further, the RFID data collecting unit includes electronic tag and reader, and the electronic tag passes through micro-
Wave radio frequency carries out data transmission with the reader.
Further, the central processor unit includes 64pin STM32F103RBT6 microcontrollers and interface conversion
Chip MAX3232；The central processor unit is connected by UART1 with the reader, and the central processor unit leads to
The UART2 connections GPS positioning unit is crossed, the central processor unit is single by the UART3 connections wireless communication
Member.
Further, the GPS positioning unit includes GPS module, the first inductance, first resistor and the first capacitance, wherein
The GPS module is 24pin Ublox NEO 5Q.
Further, the wireless communication unit includes GSM/GPRS modules, second resistance, 3rd resistor and the second electricity
Hold；Wherein described GSM/GPRS modules are 68pin SIM900, and second capacitance is electrolytic capacitor.
Further, the display unit uses NOKIA5110LCD liquid crystal displays, and the central processor unit passes through PA
Display data is written to the display unit in mouth.
Further, the electronic tag includes Temperature Humidity Sensor and radio-frequency antenna, and the Temperature Humidity Sensor is adopted
With SHT1X series digit Temperature Humidity Sensors.
(3) advantageous effect
The utility model provides a kind of cold chain transportation monitoring system based on RFID, using advanced RFID technique, GPS
Location technology, the communication technology and temperature and humidity sensing technology are realized in cold chain transportation process kinds of goods humiture variation being recorded in " band
In the RFID label tag of Temperature Humidity Sensor ", monitoring center is uploaded in real time, temperature-humidity monitoring promptly and accurately is provided, so as to slap
The transport of kinds of goods is controlled in way parameter, early warning can be triggered in time if necessary, effectively reduce the damage in kinds of goods cold chain transportation process
Consumption, ensure that the quality and safety in way kinds of goods, effectively overcome traditional cold chain transportation information transmit not in time, information tracing
The problems such as difficult, system have the characteristics that at low cost, low in energy consumption, real-time and autgmentability are good, improve cold chain transportation vehicle
Real-time monitoring capability while kinds of goods transport quality is improved, reduces the cost of investment of kinds of goods loss and supply chain.
Description of the drawings
Fig. 1 is a kind of structure diagram of cold chain transportation monitoring system based on RFID involved by the utility model.
Fig. 2 is a kind of vehicle-mounted terminal equipment knot of cold chain transportation monitoring system based on RFID involved by the utility model
Structure block diagram.
Fig. 3 is a kind of central processing unit of cold chain transportation monitoring system based on RFID involved by the utility model
STM32F103RBT6 hardware connection figures.
Fig. 4 is a kind of GPS positioning unit electricity of cold chain transportation monitoring system based on RFID involved by the utility model
Road schematic diagram.
Fig. 5 is a kind of wireless communication unit electricity of cold chain transportation monitoring system based on RFID involved by the utility model
Road schematic diagram.
Specific embodiment
The embodiment involved by the utility model is described in further details below in conjunction with the accompanying drawings.
With reference to Fig. 1 and Fig. 2, a kind of cold chain transportation monitoring system based on RFID, including vehicle-mounted terminal equipment, communication network
And monitoring center, vehicle-mounted terminal equipment are installed in the compartment of cold chain transportation vehicle, vehicle-mounted terminal equipment by communication network with
Monitoring center carries out wireless data transmission；Vehicle-mounted terminal equipment includes RFID data collecting unit, central processor unit, GPS
Positioning unit, wireless communication unit, display unit and alarm unit；Label letter in RFID data collecting unit acquisition compartment
Breath；GPS positioning unit receives the navigation message that GPS positioning satellite transmits；Central processor unit is to RFID data collecting unit
The data acquired are analyzed and processed, and the GPS positioning data that GPS positioning unit receives are parsed and encapsulated；It is vehicle-mounted
Unit sends real time data to monitoring center and shows on the display unit terminal device by radio communication；Central processing unit list
Unit sends SMS Tip, while alarm unit warning reminding to member to mobile terminal by radio communication.
Monitoring center mainly realizes vehicle management function, subscriber management function and cargo state monitoring function, passes through monitoring
The man-machine interface at center carries out information inquiry and in real time monitoring.
RFID data collecting unit is the important component of entire vehicle-mounted terminal equipment, including electronic tag and read-write
Device, electronic tag, which acquires the dynamic data of the Temperature and Humidity module in cold chain transportation vehicle car and handles, is converted into electric signal, passes through
The communication of 2.45GHz microwave radios transmits information to reader.Electronic tag using active active, under working condition communication away from
From reachable 30~50m, dormant state power consumption polar region, low frequency wake-up distance is accurate controllable between 0.5~7m.Reader is using complete
To formula, communication distance is up to 15~50m, and internal memory can be used for keeping in data of the Temperature and Humidity module, and advanced time slot A LOAH anticollisions are calculated
Method supports reader to read while write 200 each electronic tags, can set up a WLAN, realizes in multipoint acquisition compartment
Humiture.Temperature Humidity Sensor uses SHT1X series digit Temperature Humidity Sensors, this sensor resistance temperature coefficient is big, sensing
Sensitive, resistance value varies with temperature substantially in a linear relationship.Therefore RFID electronic label temperature-measuring range is -40~+123 DEG C, is surveyed
Warm precision is ± 0.5 DEG C, moisture measurement ranging from 0~100%RH, and humidity measurement precision is ± 2%RH.It is solved in time using RFID
Cold Chain Logistics manual intervention, the inherent defect of high energy consumption, and electronic tag are small, quick detachable, repeatable to be utilized, and is effectively dropped
Low logistics cost.
As shown in figure 3, central processor unit includes U1 mouthfuls of conversion chips of 64pin STM32F103RBT6 microcontrollers
MAX3232.System uses 32 8-digit microcontrollers of RISC based on ARM Contex_M3 kernels of STMicw Electronics (ST)
STM32F103RBT6, CPU processing speed are fast, and working frequency reaches as high as 72MHz, and fixed-point calculation rate reaches per second 9 ×
107 instruct, and 128KB Flash, 20KB SRAM in piece possess powerful program and data storage capacities, resourceful, outside
It is good to enclose connectivity, possesses 9 communication interfaces (3 UART, 2 I2C, 2 SPI, 1 CAN and 1 USB2.0), peripheral equipment
It is abundant, up to 80 quick I/O ports-Extendings, 7 channel DMA controllers, 7 timers, 2 12 A/D converters, support
The debugging of JTAG/SWD interfaces is downloaded and IAP (programmable in application), without dedicated programmable device/emulator, has sleep, stops
Machine and standby mode, small, performance is high, can meet the needs of vehicle-mounted terminal equipment low-power consumption and Multi-serial port.Central processing unit
The UART2 of STM32F103RBT6 connects the serial ports of GPS positioning unit by MAX3232 chips, and UART3 passes through MAX3232 chips
Wireless communication unit is connected, UART1 is connected with reader, and data are written to display unit by PA mouthfuls.
As shown in figure 4, GPS positioning unit includes GPS module U2, inductance L1, resistance R1 and capacitance C1, wherein GPS module
U2 is 24pin Ublox NEO 5Q.The module supports the output of NEMA0183V3.0 consensus standards, Transistor-Transistor Logic level interface, it is impossible to straight
It connects and is connected with central processing unit U1, it is necessary to first pass through after Transistor-Transistor Logic level is converted into RS232 level by MAX3232, just can connect to
The interface of central processing unit U1.Ublox NEO 5Q pins 20 (TxD1) and pin 21 (RxD1) respectively by MAX3232 with
The pin 15 (STM_TX2) of STM32F103RBT6 is connected with pin 16 (STM_RX2).Positioning accuracy is less than 2.5m, limitation operation
Rate is up to 1000 sections, is equivalent to 515m/s, has 50 channel satellite receiving functions, and 2.7~3.6V of operating voltage starts the time
Short, low in energy consumption, Full-Speed mode 135mW, positioning is quick, provides multiple interfaces, convenient for extension.When module works on power, with
STM32F103RBT6 communicates, by Initialize installation timing output GPS satellite navigation text, STM32F103RBT6 pairs
GPS satellite navigation text is parsed, and extracts the useful informations such as date, time, longitude and latitude and vehicular speeds as in monitoring
The master data of heart monitoring.When car-mounted terminal works on power, GPS module Ublox NEO 5Q at regular intervals just receive all
The GPS satellite navigation text of love is transferred to STM32F103RBT6 by serial ports, and STM32F103RBT6 programming Controls read navigation
The time interval of text, to reduce power consumption and save communication cost.
As shown in figure 5, wireless communication unit includes GSM/GPRS modules U3, resistance R2, resistance R3 and capacitance C2；Wherein
GSM/GPRS modules U3 is 68pin SIM900, and capacitance C2 is electrolytic capacitor.SIM900 is four frequency band GSMs of technical grade/GPRS moulds
Block, it is small, it is low in energy consumption, it can fast and safely be reliably achieved short message service and GPRS data wireless transmission.SIM900
Embedded PPP dialing protocols and ICP/IP protocol stack, module operating voltage are 3.4~4.5V, can be operated in 850/900/1800/
Tetra- frequency ranges of 1900MHz.STM32F103RBT6 is communicated by UART3 with SIM900, the pin 9 (TXD_O) of SIM900 and
Pin 10 (RXD_I) is needed by could be with the 29 (STM_ of pin of STM32F103RBT6 after MAX3232 chip level conversions
TX3) it is connected with pin 30 (STM_RX3).The communication protocol of SIM900 and STM32F103RBT6 is AT Command Set,
STM32F103RBT6 can control SIM900 by sending AT instructions, set operating mode, and transmission rate is set as
115200b/s.SIM card built in SIM900 modules communicates.To enhance the safety and reliability of system, malice short message is prevented
Inquiry and harassing and wrecking, mobile terminal user carry out the dual confirmation for needing to carry out identity and password during message search,
STM32F103RBT6 built-in telephony books, non-telephone book user's short message are taken as refuse messages to handle.
Display unit uses NOKIA5110LCD liquid crystal displays, and STM32F103RBT6 is by PA mouthfuls to NOKIA5110 liquid crystal displays
Display data is written.
RFID electronic label and reader in vehicle-mounted terminal equipment carry label information and data of the Temperature and Humidity module is adopted
Collection receives the navigation message that GPS satellite transmits, central processing unit with reading task, GPS module Ublox NEO 5Q
The data of the Temperature and Humidity module that RFID data collecting unit acquires is analyzed and is pre-processed by STM32F103RBT6, while to GPS positioning
Data are parsed and are encapsulated.Vehicle-mounted terminal equipment sends current temperature by GSM/GPRS modules SIM900 timings to monitoring center
The information such as humidity, longitude and latitude, vehicular speeds and date-time, and be shown on the LCD liquid crystal displays of vehicle-mounted terminal equipment.In monitoring
It heart wireless receiving and handles vehicle-mounted in way information, current humiture is included on observation interface, and pass through Goggle Earth
Real-time display vehicle location.STM32F103RBT6 built-in telephony books, when humiture or vehicular speeds are more than the corresponding threshold of setting
Value just sends an SMS to mobile terminal user by SIM900 and alarms, while alarm unit warning reminding, driver can take immediately
Emergency measure.User can also inquire cargo in way parameter by short message with mobile terminal with AT instruction types.
The utility model provides a kind of cold chain transportation monitoring system based on RFID, using advanced RFID technique, GPS
Location technology, the communication technology and temperature and humidity sensing technology are realized in cold chain transportation process kinds of goods humiture variation being recorded in " band
In the RFID label tag of Temperature Humidity Sensor ", monitoring center is uploaded in real time, temperature-humidity monitoring promptly and accurately is provided, so as to slap
The transport of kinds of goods is controlled in way parameter, early warning can be triggered in time if necessary, effectively reduce the damage in kinds of goods cold chain transportation process
Consumption, ensure that the quality and safety in way kinds of goods, effectively overcome traditional cold chain transportation information transmit not in time, information tracing
The problems such as difficult, system have the characteristics that at low cost, low in energy consumption, real-time and autgmentability are good, improve cold chain transportation vehicle
Real-time monitoring capability while kinds of goods transport quality is improved, reduces the cost of investment of kinds of goods loss and supply chain.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to this practicality
Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple
The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality
With novel claimed technology contents, all record in detail in the claims.
Claims (7)
1. a kind of cold chain transportation monitoring system based on RFID, it is characterised in that：Including vehicle-mounted terminal equipment, communication network and prison
Control center, the vehicle-mounted terminal equipment are installed in the compartment of cold chain transportation vehicle, and the vehicle-mounted terminal equipment passes through described logical
Communication network carries out wireless data transmission with the monitoring center；The vehicle-mounted terminal equipment include RFID data collecting unit, in
Central processor unit, GPS positioning unit, wireless communication unit, display unit and alarm unit；The RFID data collecting unit
Acquire label information in compartment；The GPS positioning unit receives the navigation message that GPS positioning satellite transmits；The center
The data that processor unit acquires the RFID data collecting unit analyze and process, and to the GPS positioning unit
The GPS positioning data received are parsed and are encapsulated；The vehicle-mounted terminal equipment is by the wireless communication unit to the prison
Control center sends real time data and is shown on the display unit；The central processor unit is single by the wireless communication
Member sends SMS Tip, while the alarm unit warning reminding to mobile terminal.
2. a kind of cold chain transportation monitoring system based on RFID according to claim 1, it is characterised in that：The RFID numbers
Include electronic tag and reader according to collecting unit, the electronic tag carries out data biography by microwave radio and the reader
It is defeated.
3. a kind of cold chain transportation monitoring system based on RFID according to claim 1, it is characterised in that：The centre
It manages device unit and includes 64pin STM32F103RBT6 microcontrollers and interface conversion chip MAX3232；The central processing unit list
Member is connected by UART1 with reader, and the central processor unit connects the GPS positioning unit by UART2, in described
Central processor unit connects the wireless communication unit by UART3.
4. a kind of cold chain transportation monitoring system based on RFID according to claim 1, it is characterised in that：The GPS determines
Bit location includes GPS module, the first inductance, first resistor and the first capacitance, wherein the GPS module is 24pin Ublox
NEO 5Q。
5. a kind of cold chain transportation monitoring system based on RFID according to claim 1, it is characterised in that：The channel radio
Believe that unit includes GSM/GPRS modules, second resistance, 3rd resistor and the second capacitance；Wherein described GSM/GPRS modules are
68pin SIM900, second capacitance are electrolytic capacitor.
6. a kind of cold chain transportation monitoring system based on RFID according to claim 1, it is characterised in that：The display is single
Member is written to the display unit by PA mouthfuls using NOKIA5110LCD liquid crystal displays, the central processor unit and is shown number
According to.
7. a kind of cold chain transportation monitoring system based on RFID according to claim 2, it is characterised in that：The electronics mark
Label include Temperature Humidity Sensor and radio-frequency antenna, and the Temperature Humidity Sensor uses SHT1X series digit Temperature Humidity Sensors.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721338878.1U CN207488744U (en) | 2017-10-18 | 2017-10-18 | A kind of cold chain transportation monitoring system based on RFID |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721338878.1U CN207488744U (en) | 2017-10-18 | 2017-10-18 | A kind of cold chain transportation monitoring system based on RFID |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107544360A (en) * | 2017-10-18 | 2018-01-05 | 湖州升谱电子科技有限公司 | A kind of cold chain transportation monitoring system based on RFID |
| CN109085868A (en) * | 2018-10-08 | 2018-12-25 | 中义（泰州）医药科技有限公司 | A kind of storage temperature automatic control system applied to cold chain transportation |
| CN109325563A (en) * | 2018-10-30 | 2019-02-12 | 航天信息股份有限公司 | A kind of data collection system for Container Transport |
| CN111442858A (en) * | 2020-04-11 | 2020-07-24 | 苏州市芏利安物联科技有限公司 | System for detecting temperature in cold chain transportation based on RFID technology |
-
2017
- 2017-10-18 CN CN201721338878.1U patent/CN207488744U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107544360A (en) * | 2017-10-18 | 2018-01-05 | 湖州升谱电子科技有限公司 | A kind of cold chain transportation monitoring system based on RFID |
| CN109085868A (en) * | 2018-10-08 | 2018-12-25 | 中义（泰州）医药科技有限公司 | A kind of storage temperature automatic control system applied to cold chain transportation |
| CN109325563A (en) * | 2018-10-30 | 2019-02-12 | 航天信息股份有限公司 | A kind of data collection system for Container Transport |
| CN111442858A (en) * | 2020-04-11 | 2020-07-24 | 苏州市芏利安物联科技有限公司 | System for detecting temperature in cold chain transportation based on RFID technology |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20181018 |
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| CF01 | Termination of patent right due to non-payment of annual fee |