CN107705081A - A kind of container distributed intelligence transports system safely - Google Patents

A kind of container distributed intelligence transports system safely Download PDF

Info

Publication number
CN107705081A
CN107705081A CN201711114273.9A CN201711114273A CN107705081A CN 107705081 A CN107705081 A CN 107705081A CN 201711114273 A CN201711114273 A CN 201711114273A CN 107705081 A CN107705081 A CN 107705081A
Authority
CN
China
Prior art keywords
container
unit
distributed intelligence
data
radio frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201711114273.9A
Other languages
Chinese (zh)
Inventor
陈永桥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinopol Electronic Technology Co Ltd
Original Assignee
Sinopol Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sinopol Electronic Technology Co Ltd filed Critical Sinopol Electronic Technology Co Ltd
Priority to CN201711114273.9A priority Critical patent/CN107705081A/en
Publication of CN107705081A publication Critical patent/CN107705081A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/08Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/083Shipping
    • G06Q10/0833Tracking
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42Determining position

Abstract

The invention provides a kind of container distributed intelligence to transport system safely, including the car-mounted terminal being installed on logistics vehicles, some monitoring nodes for being arranged on logistics vehicles vehicle line and positioned at long-range Surveillance center.The present invention is by the advanced communication technology, automatic control technology and computer technology etc. are combined, logistics vehicles are realized comprehensive real-time, accurately, efficient integrated management and control, the state of goods in the running orbit and container of effective monitoring logistics vehicles, and cargo state can be transferred to customer mobile terminal by mobile network, its is simple in construction, compact, cost is cheap, accuracy of detection is high, strong antijamming capability, response is fast, stability and good reliability, field adjustable is convenient, using flexible, with good scalability, the needs of logistics vehicles supervisory systems long-run development can be met, and can adapts to the fast development of information technology, with higher economy and practicality.

Description

A kind of container distributed intelligence transports system safely
Technical field
The present invention relates to Intelligent logistics technical field of transportation, more particularly to a kind of container distributed intelligence, which is transported safely, is System.
Background technology
Container is the Core equipment of global logistics transport, and global international freight forwarding more than 90% is all complete by container Into.Container mainly includes general cargo container, tank container and frozen products insulated container.The intelligentize and informatization of container It is a key factor for influenceing modern logistics, causes entirely to supply without intellectuality as logistics Core equipment due to container Answer the information of chain to isolate, the information flow of whole supply chain it is not smooth, be influence modern logistics efficiency a key factor.This Outside, tank container prevailing traffic liquid article and hazardous chemical, tank container be related to hazardous chemical transport and The safety of storage, international community there is an urgent need to intelligentized tank container come monitor in real time the state of itself and occur it is abnormal when Carry out active control, it is ensured that the safety of the hazardous chemical of transport and storage.For frozen products insulated container, prevailing traffic food, medicine The cold chain article such as product, in developed country to ensure food security, it is substantially by frozen products insulated container to complete.China uses cold Hide container and realize that the trend of cold chain transportation is also more and more obvious, but container will ensure to monitor under cold chain and can monitor, It just can ensure that the transportation safety of cold chain food and medicine and other items and safely, just can ensure that food and medicine etc. except production and selling on the way Link safety is outer, the safety of transport and storage link.
Therefore, the container as logistics transportation equipment core, in modern quick logistics, cargo security, cargo supervision and control, state Under the industry requirement of border anti-terrorism and intelligent supply chain, there is an urgent need to intelligent, informationization, that is, realize container in supply chain and thing Networking under it is visual, can monitor and can control.
The content of the invention
(1) technical problem solved
In order to solve the above problems, the invention provides a kind of container distributed intelligence to transport system safely, will be advanced The communication technology, automatic control technology and computer technology etc. be combined, logistics vehicles are realized it is comprehensive it is real-time, accurate, Efficient integrated management and control, the state of goods in the running orbit and container of effective monitoring logistics vehicles.
(2) technical scheme
A kind of container distributed intelligence transports system safely, including be installed on logistics vehicles car-mounted terminal, set In some monitoring nodes on logistics vehicles vehicle line and positioned at long-range Surveillance center;
The car-mounted terminal includes signal gathering unit, sub- MCU units, GPS positioning unit and sub- Transmit Receive Unit;Institute State signal gathering unit and gather the data of the Temperature and Humidity module of goods and the travel speed of vehicle in container, the GPS location list in real time Member receives the navigation message that GPS positioning satellite is sent, and above-mentioned data are received after the sub- MCU cell processings by the sub- radio frequency Bill member is transmitted to radio frequency network;
The monitoring node includes main Transmit Receive Unit, main MCU units, display unit and alarm unit;The master penetrates Frequency unit receives the data in the radio frequency network, is shown in real time by the display unit after the main MCU cell processings Show, the alarm unit is to abnormal data warning reminding, and the main MCU units are by the data handled well and alarm text by penetrating Frequency network is sent to the Surveillance center, and the main MCU also sends answer signal to the vehicle-mounted end by the radio frequency network End;
The Surveillance center includes wireless router, host computer and GPRS communication units;The wireless router will be in The host computer in Ethernet accesses the radio frequency network, receives data and alarm text that the monitoring node is sent, and The monitoring node is given by the radio frequency network feedback command, the host computer is moved by the GPRS communication units and user Dynamic terminal carries out data interaction.
Further, the signal gathering unit includes Temperature Humidity Sensor and vehicle speed sensor, wherein the humiture Sensor selects DHT21 digital hygro sensors.
Further, the sub- MCU units and the main MCU units select STM32F103RBT6 microcontrollers.
Further, the GPS positioning unit selects GPS module Ublox NEO 5Q.
Further, the sub- Transmit Receive Unit is identical with the main Transmit Receive Unit circuit structure, including ZigBee module, radio-frequency antenna, connector, JTAG joints, the first and second crystal oscillators, the first and second inductance, the first~the tenth Three electric capacity and first resistor, wherein the ZigBee module selects CC2530.
Further, the display unit selects NOKIA5110LCD liquid crystal displays.
Further, the GPRS communication units include GPRS module, SIM card and RS232 interface conversion chip, wherein institute State GPRS module and select SIM300D, the RS232 interface conversion chip selects MAX232.
(3) beneficial effect
The invention provides a kind of container distributed intelligence to transport system safely, by the advanced communication technology, automatic control Technology and computer technology processed etc. are combined, and logistics vehicles are realized with comprehensive real-time, accurately and efficiently integrated management and control Make, the state of goods in the running orbit and container of effective monitoring logistics vehicles, and cargo state can pass through movement Network transmission is to customer mobile terminal, and its is simple in construction, and compact, cost is cheap, and accuracy of detection is high, strong antijamming capability, Response is fast, stability and good reliability, and field adjustable is convenient, using flexible, has good scalability, can meet logistics The needs of car monitoring system long-run development, and can adapt to the fast development of information technology, have higher economy and practicality Property.
Brief description of the drawings
Fig. 1 is the structured flowchart that a kind of container distributed intelligence involved in the present invention transports system safely.
Fig. 2 is the Transmit Receive Unit circuit that a kind of container distributed intelligence involved in the present invention transports system safely Schematic diagram.
Embodiment
Embodiment involved in the present invention is described in further details below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of container distributed intelligence transports system safely, including it is installed on vehicle-mounted on logistics vehicles Terminal, some monitoring nodes being arranged on logistics vehicles vehicle line and positioned at long-range Surveillance center;Car-mounted terminal includes Signal gathering unit, sub- MCU units, GPS positioning unit and sub- Transmit Receive Unit;Signal gathering unit gathers container in real time The data of the Temperature and Humidity module of interior goods and the travel speed of vehicle, GPS positioning unit receive the navigation message that GPS positioning satellite is sent, Above-mentioned data are transmitted to radio frequency network after sub- MCU cell processings by sub- Transmit Receive Unit;Monitoring node includes main radio frequency Transmit-Receive Unit, main MCU units, display unit and alarm unit;Main radio frequency unit receives the data in the radio frequency network, through master Real-time display is carried out by display unit after MCU cell processings, alarm unit will be located to abnormal data warning reminding, main MCU units The data and alarm text managed are sent to Surveillance center by radio frequency network, and main MCU also sends response by radio frequency network to be believed Number give car-mounted terminal;Surveillance center includes wireless router, host computer and GPRS communication units;Wireless router will be in ether Host computer access radio frequency network in net, data and alarm text that monitoring node is sent are received, and fed back by radio frequency network Instruct and data interaction is carried out by GPRS communication units and customer mobile terminal to monitoring node, host computer.
Signal gathering unit includes Temperature Humidity Sensor and vehicle speed sensor, and wherein Temperature Humidity Sensor selects DHT21 numbers Word Temperature Humidity Sensor.DHT21 is the humiture compound sensor of a calibrated data signal output, the numeral of application specific Module acquisition technique and temperature and humidity sensing technology, it is ensured that product has high reliability and remarkable long-time stability.DHT21 It is connected including a condenser type humidity sensing element and a NTC temperature element, and with 8 single-chip microcomputers of a high-performance.Therefore should Product has the advantages that quality is remarkable, it is high to respond fast, strong antijamming capability, cost performance.Each DHT21 sensors are extremely Calibrated in accurate humidity verification room, calibration factor is stored in OTP memory in the form of program, and sensor internal is being examined These calibration factors will be called by surveying in the processing procedure of signal.One wire system serial line interface makes the system integration become simple quick.It is super Small volume, extremely low power consumption, signal transmission distance is up to more than 20 meters.
The data of the Temperature and Humidity module of goods is data signal in the container that Temperature Humidity Sensor DHT21 is collected, by with interior Microcontroller serial port communication in portion sends current data of the Temperature and Humidity module to sub- Transmit Receive Unit, and the vehicle of vehicle speed sensor collection Travel speed is analog signal, and the ADC input channels progress analog-to-digital conversion that need to be sent into sub- MCU units is that data signal could be sent To radio frequency network.
GPS positioning unit selects GPS module Ublox NEO 5Q, and the module supports that NEMA0183 V3.0 consensus standards are defeated Go out, Transistor-Transistor Logic level interface, it is impossible to be directly connected with sub- MCU units, it is necessary to first pass through MAX3232 and be converted into Transistor-Transistor Logic level After RS232 level, the interface of sub- MCU units just can connect to.Ublox NEO 5Q pins 20 (TxD1) and pin 21 (RxD1) It is connected respectively by MAX3232 with sub- MCU units.Positioning precision is less than 2.5m, and limitation operating rate is up to 1000 sections, equivalent to 515m/s, there are 50 passage satellite receiving functions, 2.7~3.6V of operating voltage, the startup time is short, low in energy consumption, Full-Speed mode 135mW, positioning are quick, there is provided multiple interfaces, are easy to extend.When module works on power, communicated, passed through with sub- MCU units Initialize installation timing output GPS satellite navigation text, sub- MCU units parse to GPS satellite navigation text, extract day The master data that the useful informations such as phase, time and longitude and latitude monitor as monitoring node.When car-mounted terminal works on power, GPS moulds Block UbloxNEO 5Q just give sub- MCU units the GPS satellite navigation text received by Serial Port Transmission at regular intervals, Sub- MCU units programming Control reads the time interval of navigation message, to reduce power consumption and save communication cost.
Sub- MCU units and main MCU units select STM32F103RBT6 microcontrollers, based on ARM Contex_M3 kernels The 8-digit microcontroller STM32F103RBT6 of RISC 32, its CPU processing speed is fast, and working frequency reaches as high as 72MHz, fixed point fortune Calculation speed reaches 9 × 107 per second and instructed, and 128KB Flash, 20KB SRAM in piece, possesses powerful program and data storage Ability, aboundresources, periphery is connective good, possess 9 communication interfaces (3 UART, 2 I2C, 2 SPI, 1 CAN and 1 USB2.0), ancillary equipment enriches, up to 80 quick I/O ports-Extendings, 7 channel DMA controllers, 7 timers, 2 12 A/D converter, debugging download and the IAP (programmable in application) of JTAG/SWD interfaces are supported, without special programmable device/emulation Device, there is sleep, shut down and standby mode, small volume, performance are high, can meet car-mounted terminal and the low-power consumption of monitoring node equipment with The demand of Multi-serial port.
Sub- Transmit Receive Unit is identical with main Transmit Receive Unit circuit structure, including ZigBee module U1, radio-frequency antenna E1, connector J1, JTAG joint J2, crystal oscillator X1 and X2, inductance L1 and L2, electric capacity C1~C13 and resistance R1, wherein ZigBee moulds Block U1 selects CC2530.CC2530 is a kind of compatible IEEE802.15.4 real on-chip system, is supported proprietary 802.15.4 market and ZigBee, ZigBee PRO and ZigBeeRF4CE standards, free 2.4G frequency ranges are operated in. CC2530 provides 101dB link-quality, outstanding receiver sensitivity and healthy and strong anti-interference, and a set of extensive Peripheral hardware collection, including 2 USART, 12 ADC and 21 general GPIO, and more extendable functions mouths.Except by outstanding RF performances, selectivity and industrywide standard enhancing 8051MCU kernels, support the communication of in general low-consumption wireless, 32/64/128KB's In-System Programmable internal memory, 8KB RAM, wider 2.0~3.6V of supply district, there is the 32KHz sleep timings of capturing function Device, the only 24mA stream consumption in powering mode 1,4us is with regard to that can wake up system, the only 1uA stream consumption when sleep timer is run, Only 0.4uA stream consumption, external interrupt can wake up system during powering mode 3.
Some monitoring nodes are set on the travel route of logistics vehicles, when logistics vehicles are travelled to the monitoring of monitoring node In the range of, long-range Surveillance center by radio frequency network send control command give the monitoring node, make its send answer signal to Car-mounted terminal on logistics vehicles.The Temperature Humidity Sensor of car-mounted terminal gathers the data of the Temperature and Humidity module of goods in container in real time, Information, the above-mentioned data such as the real-time collection vehicle travel speed of vehicle speed sensor, GPS module parsing current vehicle location pass through vehicle-mounted The CC2530 of terminal is sent to the monitoring node.The CC2530 of monitoring node receives above-mentioned data, and is sent into STM32F103RBT6 Analyzed and processed, writing display data to NOKIA5110 liquid crystal displays by PA mouths carries out real-time display, when above-mentioned data occur Abnormal conditions or answer signal do not reply more than preset time, and alarm unit carries out warning reminding.Monitoring node is by penetrating The data handled well and alarm text are sent to Surveillance center by frequency network.The host computer of Surveillance center by wireless router from Ethernet access radio frequency network, receives data and alarm text that monitoring node is sent, and host computer is aobvious to data storage and in real time Show, and carry out curve fitting, dynamically can intuitively watch the humiture tendency of goods in container and the driving trace of logistics vehicles. Host computer sends corresponding instruction according to alarm text to monitoring node, and logistics vehicles are checked in time.If car-mounted terminal The data of transmission are normal, then the alarm unit of monitoring node does not work, and monitoring node sends the data to Surveillance center, in monitoring The heart sends standby instruction to next monitoring node.
GPRS communication units include GPRS module, SIM card and RS232 interface conversion chip, and GPRS module is selected SIM300D, RS232 interface conversion chip select MAX232.Mobile wireless network signal cover is wide, and data transfer is reliable, It ensure that the service behaviour of system.SIM300D chip low-profiles, have been internally integrated ICP/IP protocol, with radio-frequency antenna, originally The interface such as ground SIM card connection and RS232 serial ports, can use the AT instructions of internal extended to be operated, powerful and exploitation letter It is single.Host computer serial ports is standard RS232 level, and high level scope compatible SIM300D is 2.05~3.23V, to realize Data exchange between two kinds of chips by MAX232, it is necessary to carry out interface level conversion.SIM300D could connect by SIM card It is connected to network to carry out data transmission, operation is written and read to SIM card by SPI communication mode, realized by GPRS communication modes With the seamless connection of mobile network.User can send short message enquiry by mobile terminal to Surveillance center, and Surveillance center can incite somebody to action The data of the Temperature and Humidity module of goods and container stable situation and current vehicle position are sent back to the shifting of user in current container Dynamic terminal, such user can any place inquiry container at any time concrete condition, carry out long-range real-time monitoring.
The invention provides a kind of container distributed intelligence to transport system safely, by the advanced communication technology, automatic control Technology and computer technology processed etc. are combined, and logistics vehicles are realized with comprehensive real-time, accurately and efficiently integrated management and control Make, the state of goods in the running orbit and container of effective monitoring logistics vehicles, and cargo state can pass through movement Network transmission is to customer mobile terminal, and its is simple in construction, and compact, cost is cheap, and accuracy of detection is high, strong antijamming capability, Response is fast, stability and good reliability, and field adjustable is convenient, using flexible, has good scalability, can meet logistics The needs of car monitoring system long-run development, and can adapt to the fast development of information technology, have higher economy and practicality Property.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the structure of the present invention Think and scope is defined.On the premise of design concept of the present invention is not departed from, technology of the ordinary people in the field to the present invention The all variations and modifications that scheme is made, all should drop into protection scope of the present invention, the claimed technology contents of the present invention, All record in detail in the claims.

Claims (7)

1. a kind of container distributed intelligence transports system safely, it is characterised in that:It is vehicle-mounted on logistics vehicles including being installed on Terminal, some monitoring nodes being arranged on logistics vehicles vehicle line and positioned at long-range Surveillance center;
The car-mounted terminal includes signal gathering unit, sub- MCU units, GPS positioning unit and sub- Transmit Receive Unit;The letter Number collecting unit gathers the data of the Temperature and Humidity module of goods and the travel speed of vehicle, the GPS positioning unit in container and connect in real time The navigation message that GPS positioning satellite is sent is received, above-mentioned data pass through the sub- radio-frequency receiving-transmitting list after the sub- MCU cell processings Member is transmitted to radio frequency network;
The monitoring node includes main Transmit Receive Unit, main MCU units, display unit and alarm unit;The main radio frequency list Member receives the data in the radio frequency network, and real-time display, institute are carried out by the display unit after the main MCU cell processings State alarm unit and radio frequency network is passed through by the data handled well and alarm text to abnormal data warning reminding, the main MCU units Network is sent to the Surveillance center, and the main MCU also sends answer signal to the car-mounted terminal by the radio frequency network;
The Surveillance center includes wireless router, host computer and GPRS communication units;The wireless router will be in ether The host computer in net accesses the radio frequency network, receives data and alarm text that the monitoring node is sent, and pass through The radio frequency network feedback command gives the monitoring node, and the host computer is moved eventually by the GPRS communication units and user End carries out data interaction.
2. a kind of container distributed intelligence according to claim 1 transports system safely, it is characterised in that:The signal Collecting unit includes Temperature Humidity Sensor and vehicle speed sensor, wherein the Temperature Humidity Sensor selects DHT21 numeral humitures Sensor.
3. a kind of container distributed intelligence according to claim 1 transports system safely, it is characterised in that:The son MCU units and the main MCU units select STM32F103RBT6 microcontrollers.
4. a kind of container distributed intelligence according to claim 1 transports system safely, it is characterised in that:The GPS Positioning unit selects GPS module Ublox NEO 5Q.
5. a kind of container distributed intelligence according to claim 1 transports system safely, it is characterised in that:The son is penetrated Frequency Transmit-Receive Unit is identical with the main Transmit Receive Unit circuit structure, including ZigBee module, radio-frequency antenna, connector, JTAG joints, the first and second crystal oscillators, the first and second inductance, the first~the 13rd electric capacity and first resistor, wherein described ZigBee module selects CC2530.
6. a kind of container distributed intelligence according to claim 1 transports system safely, it is characterised in that:The display Unit selects NOKIA5110LCD liquid crystal displays.
7. a kind of container distributed intelligence according to claim 1 transports system safely, it is characterised in that:The GPRS Communication unit includes GPRS module, SIM card and RS232 interface conversion chip, wherein the GPRS module selects SIM300D, institute State RS232 interface conversion chip and select MAX232.
CN201711114273.9A 2017-11-13 2017-11-13 A kind of container distributed intelligence transports system safely Withdrawn CN107705081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711114273.9A CN107705081A (en) 2017-11-13 2017-11-13 A kind of container distributed intelligence transports system safely

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711114273.9A CN107705081A (en) 2017-11-13 2017-11-13 A kind of container distributed intelligence transports system safely

Publications (1)

Publication Number Publication Date
CN107705081A true CN107705081A (en) 2018-02-16

Family

ID=61179273

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711114273.9A Withdrawn CN107705081A (en) 2017-11-13 2017-11-13 A kind of container distributed intelligence transports system safely

Country Status (1)

Country Link
CN (1) CN107705081A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109466570A (en) * 2018-09-30 2019-03-15 中铁武汉勘察设计研究院有限公司 Rail container power flatcar and operation method
CN110609496A (en) * 2018-06-14 2019-12-24 沃司科技股份有限公司 Cold-chain logistics monitoring terminal and system thereof
CN113625626A (en) * 2021-08-04 2021-11-09 张家港智能电力研究院有限公司 Forklift management system with real-time monitoring function

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
杜庆伟: "《物联网通信》", 30 April 2015 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110609496A (en) * 2018-06-14 2019-12-24 沃司科技股份有限公司 Cold-chain logistics monitoring terminal and system thereof
CN109466570A (en) * 2018-09-30 2019-03-15 中铁武汉勘察设计研究院有限公司 Rail container power flatcar and operation method
CN109466570B (en) * 2018-09-30 2019-11-29 中铁武汉勘察设计研究院有限公司 Rail container power flatcar and operation method
CN113625626A (en) * 2021-08-04 2021-11-09 张家港智能电力研究院有限公司 Forklift management system with real-time monitoring function

Similar Documents

Publication Publication Date Title
CN201402531Y (en) WSN-based geomagnetic parking stall detector and geomagnetic parking stall detection system
CN102867199B (en) A kind of logistics container multi parameter intallingent monitoring system and monitoring method
CN205027451U (en) Granary temperature monitoring device based on thing networking
CN203811511U (en) Coal dust concentration detection system based on wireless sensor network
CN107705081A (en) A kind of container distributed intelligence transports system safely
CN105823516B (en) A kind of soil moisture content equipment Acquisition Instrument system
CN101784132A (en) Wireless sensor network gateway equipment supporting Zigbee protocol and GPRS communication standard
CN204375005U (en) Agricultural product cold chain based on WSN and RFID monitoring, tracing system in transit
CN107677322A (en) A kind of real-time monitoring system of Table Grape Cold Chain Logistics
CN102883340A (en) Remote transfer transmission system suitable for network-free areas and transmission method thereof
CN102013024B (en) Grain depot and grain situation wireless monitoring system based on multistage RFID reader-writer network
CN105353752A (en) Internet of things household cold chain turnover box detection system and turnover method
CN203825199U (en) Vehicle-mounted terminal based on Beidou navigation system
CN202856796U (en) Tunnel environment detection device
CN203644198U (en) Wireless remote data acquisition system based on Beidou RDSS (radio determination satellite service) system and ZIGBEE
Hu et al. Design wireless multi-sensor fire detection and alarm system based on ARM
CN201594284U (en) One-touch parking payment machine and one-touch parking payment system
CN102829826A (en) Wireless sensor network technology based container monitoring system
CN110007329A (en) A kind of fishing boat precise positioning method
CN201707061U (en) Short message telemetering multiparameter recorder
CN102573118A (en) Multi-parameter monitoring using wireless sensor node with self-triggering function
CN107705080A (en) A kind of container intelligent and safe transportation system
CN207718581U (en) A kind of fire-alarm of transport truck
CN103810766A (en) Wireless attendance system based on ZigBee technology
CN205373705U (en) Little target monitoring devices of portable wave

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20180216