CN203673312U - Master-slave wireless sensing node monitoring system for cold-chain logistics - Google Patents
Master-slave wireless sensing node monitoring system for cold-chain logistics Download PDFInfo
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Abstract
The utility model discloses a master-slave wireless sensing node monitoring system for cold chain logistics. The system comprises a master node, a plurality of slave nodes, a server and a wireless communication module. The master node is installed on a cold-chain logistics transporter and powered by an on-board power supply of the transporter. The plurality of slave nodes are distributed and installed in all refrigerated containers of the transporter. The server is used for monitoring the master node and the slave nodes. The wireless communication module is used for information exchange between the master node and the slave nodes, and between the master node and the server. The master-slave wireless sensing node monitoring system for cold-chain logistics overcomes the defects of low transportation reliability and poor operation safety in the prior art, and has the advantages of high transportation reliability and high operation safety.
Description
Technical field
The utility model relates to Cold Chain Logistics monitoring system technical field, particularly, relates to a kind of Cold Chain Logistics master-slave radio sensing node supervisory system.
Background technology
Cold Chain Logistics, general reference refrigerating based food producing, storage transportation, sell, in the links before final user all the time under the low temperature environment in regulation, to guarantee food quality, reduce a systematic engineering of business of food loss.It is the low temperature logistics process take Refrigeration Technique as means, and being needs special device, should be noted that the special logistics form of the process of transporting, time control, transportation kenel.
Cold Chain Logistics is generally divided into refrigeration (freezing) processing, refrigeration (freezing) storage, refrigeration (freezing) transportation and dispensing, four parts are sold in refrigeration (freezing), and wherein Refrigerated Transport and dispensing link are the weakest links of current Cold Chain Logistics.Owing to there being the factors such as environmental impact, technical limitation, cost, the article temperature in transportation and delivery process is more much bigger than other links because unfavorable factor affects the article quality accident risk causing.For addressing these problems, need to continue to record article temperature variation and by this temperature data storage with send to background management system.Therefore, for avoiding low temperature food product occurrence temperature ANOMALOUS VARIATIONS or illegally opened in transit, cause consumer, after edible, food-safety problem occurs, need to set up a set of monitoring system for Cold Chain Logistics and be necessary.
Realizing in process of the present utility model, inventor finds at least to exist in prior art the defects such as the low and safety in utilization of transportation reliability is poor.
Utility model content
The purpose of this utility model is, for the problems referred to above, proposes a kind of Cold Chain Logistics master-slave radio sensing node supervisory system, to realize transportation reliability height and the good advantage of safety in utilization.
For achieving the above object, the technical solution adopted in the utility model is: master-slave radio sensing node supervisory system for a kind of Cold Chain Logistics, comprise the host node of powering on the transport vehicle that is installed on Cold Chain Logistics and by the vehicle power of transport vehicle, disperse to be arranged on transport vehicle multiple from node in each congealer, for monitoring described host node and multiple server from node, and for described host node and multiple between node and carry out the wireless communication module of information interaction between host node and server; Wherein:
Described host node, for detection of the environmental information of transport vehicle of living in, receives the information transmitting from node by wireless communication module, and detection gained transport vehicle environmental information and reception gained are sent to server from nodal information by wireless communication module;
Described from node, for detection of the environmental information of congealer of living in, and send detection gained congealer environmental information to host node by wireless communication module.
Further, the described number from node, is at least 128; Described host node and at least 128 are from node composition Star Network, and carry out networking and communication by the agreement that meets ZigBee standard.
Further, described host node, comprise housing, be arranged on master node control, transport vehicle environmental information sensor, electric power system, real-time timepiece chip, host node wireless communication module and the storer of described enclosure interior, and the external interface that is arranged on described outside and is connected with enclosure interior relevant device;
Described transport vehicle environmental information sensor, electric power system, real-time timepiece chip, host node wireless communication module and storer, be connected with master node control respectively; Described electric power system, comprises the vehicle power supply module and the rechargeable battery supply module that are equipped with.
Further, described master node control, comprise master-slave mode arrange host CPU and from CPU;
Described host CPU, is connected with transport vehicle environmental information sensor, electric power system, real-time timepiece chip, host node wireless communication module and storer respectively; Described from CPU, be connected with described host CPU and host node wireless communication module respectively.
Further, described host node wireless communication module, comprises the GPRS communication module, GPS communication module and the WIFI communication module that are connected with described host CPU respectively, and respectively with the described ZigBee communication module being connected from CPU.
Further, described external interface, comprises power interface, GPRS antennal interface, gps antenna interface, WIFI interface and ZigBee antennal interface;
Described power interface is connected with described electric power system, described GPRS antennal interface is connected with GPRS communication module, described gps antenna interface is connected with GPS communication module, and described WIFI interface is connected with WIFI communication module, and described ZigBee antennal interface is connected with ZigBee communication module.
Further, described transport vehicle environmental information sensor, comprises the temperature sensor, humidity sensor, acceleration transducer, the CO that are connected with described master node control, electric power system and host node wireless communication module respectively
2gas sensor and GPS sensor.
Further, described from node, comprise housing, and be arranged on described enclosure interior from node cpu, congealer environmental information sensor, powered battery module, real-time timepiece chip and ZigBee communication module, and the ZigBee antennal interface that is arranged on described outside and is connected with enclosure interior relevant device;
Described congealer environmental information sensor, powered battery module, real-time timepiece chip and ZigBee communication module, be connected respectively with from node cpu; Described ZigBee antennal interface, is connected with ZigBee communication module.
Further, described congealer environmental information sensor, comprises respectively with described temperature sensor, humidity sensor, the acceleration transducer being connected from node cpu and powered battery module and illegally opens sensor.
Further, the described sensor of illegally opening, comprises respectively and the described tongue tube being connected from node cpu and powered battery module, and with congealer in the magnet that is equipped with of corresponding package case; Described tongue tube is connected with magnet; And/or,
Described ZigBee antennal interface is input and output bi-directional configuration; ZigBee antenna with described ZigBee antennal interface matches, adopts PCB antenna.
Master-slave radio sensing node supervisory system for the Cold Chain Logistics of the each embodiment of the utility model, owing to comprising the host node of powering on the transport vehicle that is installed on Cold Chain Logistics and by the vehicle power of transport vehicle, disperse to be arranged on transport vehicle multiple from node in each congealer, for monitoring host node and multiple server from node, and for host node and multiple between node and carry out the wireless communication module of information interaction between host node and server; Can utilize Zigbee-technology simultaneously in conjunction with master-slave radio sensor-based system, realize the real-time monitoring to information such as article humitures in Cold Chain Logistics transportation and dispensing link process, when exceeding standard or meet with while illegally opening, humiture implements to report to the police, and can change transportation, humiture in delivery process, geography information carry out record, the function such as realize that cold chain article status monitoring and security alarm, cold chain article overall process information are reviewed; In prior art, transport the low and poor defect of safety in utilization of reliability thereby can overcome, to realize the high and good advantage of safety in utilization of transportation reliability.
Other features and advantages of the utility model will be set forth in the following description, and, partly from instructions, become apparent, or understand by implementing the utility model.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for instructions, is used from explanation the utility model with embodiment mono-of the present utility model, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the principle of work schematic diagram of host node in the utility model Cold Chain Logistics master-slave radio sensing node supervisory system;
Fig. 2 is the principle of work schematic diagram from node in the utility model Cold Chain Logistics master-slave radio sensing node supervisory system;
Fig. 3 is CC2530 software architecture figure in the utility model Cold Chain Logistics master-slave radio sensing node supervisory system;
Fig. 4 is Cortex M3 software architecture figure in the utility model Cold Chain Logistics master-slave radio sensing node supervisory system.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
Cold Chain Logistics, general reference refrigerating based food producing, storage transportation, sell, in the links before final user all the time under the low temperature environment in regulation, to guarantee food quality, reduce a systematic engineering of business of food loss.Owing to there being the factors such as environmental impact, technical limitation, cost, the article temperature in transportation and delivery process is more much bigger than other links because unfavorable factor affects the article quality accident risk causing.For addressing these problems, need to continue to record article temperature variation and by this temperature data storage with send to background management system.Therefore, for avoiding low temperature food product occurrence temperature ANOMALOUS VARIATIONS or illegally opened in transit, cause consumer, after edible, food-safety problem occurs, set up a set of monitoring system for Cold Chain Logistics and be necessary.
In order to meet intelligent FF logistics system application demand, according to the utility model embodiment, as Figure 1-Figure 4, provide a kind of Cold Chain Logistics master-slave radio sensing node supervisory system.Master-slave radio sensing node supervisory system for this Cold Chain Logistics, can be used for the real-time management and control of whole logistics progress, food from origin outbound, in transit, the whole flow process that arrives destination warehouse-in manages and monitors, help enterprise to grasp in time freight transportation situation, reduce manually-operated error and hysteresis, use manpower and material resources sparingly, reduce food quality loss, strengthen the technical capability of Cold Chain Logistics, improved the efficiency of management, transparency and validity.
Master-slave radio sensing node supervisory system for the Cold Chain Logistics of the present embodiment, mainly comprises controller, and the sensor being connected with controller respectively, wireless transport module, power module and GPS locating module.
As primary and secondary structure, master-slave radio sensing node supervisory system for the Cold Chain Logistics of the present embodiment, generally comprise a host node and multiple from node, host node and multiple from node (being no less than 128) composition Star Network, and carry out networking and communication by the agreement that meets ZigBee standard.Host node is installed on the transport vehicle of Cold Chain Logistics, powers by vehicle power; Multiplely disperse to be positioned in each congealer transport vehicle from node.Host node contains the sensors such as temperature, humidity, acceleration, CO2 gas, GPS, in detecting the sensor information of environment of living in, receives the information transmitting from node, and these information exchanges is crossed to GPRS or WIFI is sent to server wirelessly; Contain temperature, humidity, acceleration, illegally the sensor such as open from node, can detect the sensor information of environment of living in, and send these information to host node.Be described as follows:
(i) host node:
(1) outward appearance is generally rectangular parallelepiped, and size is generally 160*155*50mm; For ease of fixed installation, interface, the mounting holes etc. such as power supply, antenna, pilot lamp in the time of structural design, are also reserved.
(2) electric power system: the mode combining that the power supply employing vehicle power of host node is powered and rechargeable battery is powered.Rechargeable battery rated capacity 450mAh, rated voltage 7.4V.Power management part converts the electric energy of the power supply of outside input or internal battery to the normal work of inner modules required power supply.In the time having external power source input, internal battery is charged, while thering is no power supply input, use internal battery power supply.
(3) host node uses ARM Cortex M3 as host CPU (main control chip), is responsible for system management.The function of ARM Cortex M3 is: send data by serial ports of computers to host node, running parameter is set, comprising:
1. carry out networking as telegon.
2. server ip address and port numbers are set, and timing sends test packet, test network connected state to server.
3. host node data upload mode is set: GPRS, Wi-Fi or ZigBee.
4. detect power supply, to determine that host node is operated in normal mode or low-power consumption mode.Under normal mode, continue to open GPRS, GPS; Under low-power consumption mode, GPRS, GPS are opened in timing.
Host node sensor type (sensor such as humiture, acceleration, carbon dioxide, GPS) is 5. set, opens according to setting.
6. the transmission time interval of master and slave node sensor acquisition interval time and host node under normal mode and low-power consumption mode is set:
Under normal mode, the master and slave node sensor acquisition interval time is generally 1-60 minute, and the unit that goes forward one by one is 1 minute; Host node sends and is generally 1-120 minute interval time, and the unit that goes forward one by one is 1 minute.Under low-power consumption mode, the master and slave node sensor acquisition interval time is generally 10-60 minute, and the unit that goes forward one by one is 10 minutes; Host node sends and is generally 1 hour-6 hours interval time, and the unit that goes forward one by one is 1 hour.
7. according to the host node acquisition interval time, timing acquiring humiture, carbon dioxide, GPS sensing data; Read acceleration transducer event by the mode of interrupting, receive the sensing data from node by serial ports.
If 8. information sends interval and is greater than acquisition interval, by the host node humiture of collection, carbon dioxide, GPS, acceleration and be temporarily stored in EEPROM from node sensing data, etc. transmitting time to uploading again; Equal acquisition interval if information sends interval, will upload onto the server in real time.
9. can receive and forward the parameters from node by serial ports, comprising from bound of the ZigBee working frequency range of node, packet numbering, sensor type, acquisition interval time, Temperature Humidity Sensor etc.
10. read the network state information of master and slave node, comprise from number of nodes etc.
(4) host node uses TI(Texas Instruments) CC2530 as from CPU, complete communication and control to each several part module, and realize compatible ZigBee wireless communication protocol.
1. can realize the function in Zigbee protocol development requirement.
2. can send by serial ports the working method of host node CC2530, the working frequency range (CH1-CH16) of host node CC2530 is set, by switching frequency range, anti-interference, assurance is stablized.
3. can receive the parameters from node, router in ZigBee-network by serial ports, and be transmitted to from node by ZigBee-network; Parameters comprises from the bound of the ZigBee working frequency range of node, packet numbering, sensor type (use humiture, illegally open, wherein which sensor of acceleration transducer), acquisition interval time, Temperature Humidity Sensor.
4. in the time that system needs, can upload network state information, comprise from number of nodes.
(5) host node is realized compatible GPRS wireless communication protocol.Utilize the GPRS/GSM wireless network of operator, for terminal device and data service center (platform) erect a wireless communication link, can carry out the transmission of data based on this wireless communication link, realize the seamless access with cloud communications platform.
(6) host node contains GPS module, has following characteristics: the u-bolx engine of 50 passages, more than 100 ten thousand effective correlators; Warm start and assistant starting primary positioning time are less than 1 second; The SuperSense of-162dBm catches and tracking sensitivity; Possess KickStart function, when model is faint, can realize and accelerate to start; Support the A-GPS services such as AssistNow Online and AssistNow Offline; GPS, GALILEO, SBAS(WAAS, EGNOS, MSAS, GAGAN) mixing engine; 5Hz positioned update speed; Setting accuracy is 2.5MCEP; Have the compatible I2C of UART interface, USB V2.0 interface, DDC() interface, SPI interface.
(7) host node includes real-time timepiece chip, and real-time clock, except providing current time, can also produce timing pip, is used for waking up CPU.
(8) host node contains band EEPROM (Electrically Erasable Programmable Read Only Memo) (EEPROM) and stores the information from node, and the capacity of EEPROM is 256KB, uses I2C interface to communicate, and supports the write operation of 1,000,000 times, and data can keep 40 years.
(9) the external interface of host node comprises power interface, GPRS antennal interface, gps antenna interface and ZigBee antennal interface.
1. host node power interface: when host node adopts outside vehicle power power supply, vehicle power is connected with host node by power interface, and power interface is input interface, and input voltage range is direct current 9V ~ 20V.
2. host node GPRS antennal interface adopts SMA interface shape, is connected with external whip antenna, and interface direction is that input and output are two-way.
3. host node ZigBee antennal interface: the ZigBee antennal interface of host node adopts SMA interface shape, is connected with external whip antenna, and interface direction is that input and output are two-way.
(ii) from node:
(1) small and exquisite, frivolous from the structural design of node, be generally rectangular parallelepiped, size is generally 97mm*57mm*7mm.
(2) adopt powered battery from node, power management module converts the electric energy of battery to the normal work of inner modules required power supply.While adopting 150mAh powered battery from node, be greater than 1 year serviceable life, average working current is less than 170uA.
(3) the CC2530 that adopts TI from the CPU of node, identical with host node, realize compatible ZigBee wireless communication protocol.
(4) comprise real-time timepiece chip, Temperature Humidity Sensor, acceleration transducer from node, can be identical or different with host node;
(5) adopt tongue tube as illegally opening sensor from node, coordinate magnet to detect packing case and whether be opened.
(6) be ZigBee antennal interface from the external interface of node.ZigBee antenna adopts the form of PCB antenna, and interface direction is that input and output are two-way.
(7) can receive and arrange by ZigBee the bound (being generally-10 ℃～60 ℃) of working frequency range (CH1 ~ CH16) from node, packet numbering (1 ~ 10), sensor type (use humiture, illegally open, wherein which sensor of acceleration transducer), acquisition interval time, Temperature Humidity Sensor.
(8) can be according to from the node acquisition interval time, timing acquiring Temperature Humidity Sensor data, and sensing data is sent to CC2530 by ZigBee-network.Can read and illegally open and acceleration transducer event (tongue tube and magnet-look-at-me-CC2530) by the mode of interrupting, and in time sensing data be sent to telegon by ZigBee-network.
If be (9) provided with the bound of Temperature Humidity Sensor, timing acquiring Temperature Humidity Sensor data, if humiture transfinites, send CC2530 by sensing data by ZigBee-network in time.
(iii) communication protocol:
(1) master-slave radio sensing node supervisory system for the Cold Chain Logistics of the various embodiments described above, host node and meet Zigbee protocol standard from the communication between node, between main and subordinate node, can form Star Network by Zigbee protocol, between main and subordinate node, can realize bidirectional data communication, working signal can manual configuration, has good network operation function, self-healing and MANET function, exact time synchronization function (main and subordinate node time difference <5ms).Specifically comprise: exist from node application layer valid data: 32～64 BYTE; Working channel configuration interface is provided; Propagation delay time≤6s; Network operation cycle≤60s; Single from node networking time <10s; The longest networking time <60s; Data packet loss <1%; From node data throughput of transmissions >27Kb/s(valid data).
(2) host node can, by meeting the 2G communication module of GPRS agreement, be realized two-way Wireless Data Transmission with data center.
(3) in main and subordinate node, can move embedded system, and leave interface and PC end application software and communicate.
(iv) software systems: comprise bottom software, configuration software and application software.
(1) bottom software is the software operating on main and subordinate node hardware.Bottom software on host node mainly complete the information of the initialization of modules, the information that gathers various sensors, storage sensor, with from node networking, receive sensor information from the sensor information of node, storage from node, upload sensor information to functions such as servers; From the bottom software of node mainly complete modules initialization, gather various sensors information, with host node networking, upload sensor information to functions such as host nodes.
(2) configuration software:
1. host node and the mode of operation from node can be set, comprise host node and divide other sampling interval time, the interval time of uploading etc. from node
2. can configure host node and need respectively the sensor type that gathers and upload from node.Generally there is Temperature Humidity Sensor, acceleration transducer, illegally open sensor from node; Host node has Temperature Humidity Sensor, acceleration transducer, carbon dioxide sensor, GPS sensor, and reserved sensor interface.
The air interface type that 3. can configure wireless sensing node, the air interface of host node comprises GPRS, WIFI and ZigBee, the air interface of child node only has ZigBee.Can configure host node with ZigBee, GPRS or WIFI mode networking communication by software.
4. when host node is worked with the networking of ZigBee mode, can be configured to network and the two kinds of different modes that do not network; IP address and port numbers that can configuration server when host node is worked with the networking of GPRS mode.
5. can configure from node device coding etc.
6. can configure by host node the threshold value gathering from node sensor in the mode of instruction, and can be by the control that conducts interviews of PASSWORD or cryptographic algorithm;
7. can configure the working frequency range from node in the mode of order by host node.
8. can send data to host node by serial ports of computers, arrange and read work parameter, comprise:
A) working method of host node CC2530: telegon, router
B) when host node CC2530 is telegon, the mode of uploading of host node data: GPRS, Wi-Fi
C) when host node CC2530 is telegon, server ip address and port numbers
D) sensor type: humiture, acceleration, carbon dioxide, GPS
E) under low-power consumption mode, the master and slave node sensor acquisition interval time: 10 minutes ~ 60 minutes, the unit that goes forward one by one was 10 minutes
F), under low-power consumption mode, host node sends interval time: 1 hour ~ 6 hours, the unit that goes forward one by one was 1 hour
G) under normal mode, the master and slave node sensor acquisition interval time: 1 minute ~ 60 minutes, the unit that goes forward one by one was 1 minute
H), under normal mode, host node sends interval time: 1 minute ~ 120 minutes, the unit that goes forward one by one was 1 minute
I) working frequency range of host node CC2530: CH1 ~ CH16
9. can arrange and read the running parameter from node, comprise: sensor type (humiture, illegally open, acceleration transducer); The upper and lower limit of Temperature Humidity Sensor :-10 ℃ ~ 60 ℃.Working frequency range: CH1 ~ CH16; Packet numbering: 1 ~ 10.
10. can read the network structure of master and slave node: under every grade of route of route sum of series from number of nodes, numbering.
(3) application software can be shown to user sensor information, the positional information etc. of main and subordinate node, meets intelligent FF logistics system application demand, can carry out regarded as output controlling.
When concrete enforcement, master-slave radio sensing node supervisory system for the Cold Chain Logistics of above-described embodiment, can select following equipment:
⑴Zigbee：
Procotol: compatible ZigBee 2007;
Network size:
Star Network: single host node connexon node >=128;
Propagation delay time :≤6s;
The network operation cycle :≤60s;
Node networking time: <10s;
The networking time: <60s;
Data packet loss: <1%;
Child node data transmission throughput: >27Kb/s(valid data).
⑵GPRS：
Radio band: GSM900/1800 double frequency;
Wireless bandwidth: 25-50KB/s;
Communication interface: Transistor-Transistor Logic level serial line interface.
⑶WIFI：
Frequency of operation: 2.412-2.484GHz;
Baud rate: 1200-115200bps;
Communication interface: Transistor-Transistor Logic level serial line interface.
(4) sensor:
1. temperature sensor measurement scope :-40 ℃ ~ 125 ℃, measuring accuracy: ± 0.3 ℃.
Host node uses the SHT21 of Sensirion as Temperature Humidity Sensor, this characteristic sensor: each sensor is through calibration and test, I2C digital signal that can outputting standard form, low-power consumption, excellent long-time stability.
2. humidity sensor measurement scope: 0 ~ 100%RH, measuring accuracy: ± 2%RH.
3. carbon dioxide sensor measurement range: 0 ~ 2000ppm, measuring accuracy: ± 50 ppm.
Host node adopts the COZIR-A of Britain GSS as carbon dioxide sensor, and this is a super low-power consumption (3.5mW), high performance infrared carbon dioxide sensor, and measurement range is that 0-2000ppm, 0-5000ppm, 0-1% are optional.
4. acceleration transducer measurement range: ± 2g, measuring accuracy ± 10%.
Host node adopts the MMA8453Q of Freescale as acceleration transducer, and this is the capacitor type micro-mechanical accelerometer of a intelligent low-power consumption, three axles, 10 bit resolutions.Tri-kinds of optional ranges of have ± 2g/ ± 4g/ ± 8g of MMA8453Q.MMA8453Q can be configured to the working method of Event triggered interrupt output, can guarantee like this low power operation in the time there is no trigger event.
5. GPS sensor localization precision: 2.5m CEP(Circular Error Probable: circular proable error).
Host node uses grand electric H7710E DTU(Data Terminal Unit) realize compatible GPRS wireless communication protocol.H7710E DTU is a wireless DDN (the Digital Data Network) data communication products based on GPRS/GSM network.The GPRS/GSM wireless network of H7710E product utilization operator, for terminal device and data service center (platform) erect a wireless communication link, can carry out the transmission of data based on this wireless communication link, realizes the seamless access with cloud communications platform.
Master-slave radio sensing node supervisory system for the Cold Chain Logistics of the utility model the various embodiments described above, utilize Zigbee-technology simultaneously in conjunction with master-slave radio sensor-based system, realize the real-time monitoring to information such as article humitures in Cold Chain Logistics transportation and dispensing link process, when exceeding standard or meet with while illegally opening, humiture implements to report to the police, and can change transportation, humiture in delivery process, geography information carry out record, the function such as realized that cold chain article status monitoring and security alarm, cold chain article overall process information are reviewed.
Compared with prior art, master-slave radio sensing node supervisory system for the Cold Chain Logistics of the utility model the various embodiments described above, have that networking function is powerful, data reliability is high, monitoring accuracy is high, cost is low, volume is small and exquisite, be convenient to install, can be effectively stably to the environmental information of food in cold chain transportation process monitor in real time, collection and record, and can carry out the advantages such as radio remote Distance Transmission to the data that gather.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a master-slave radio sensing node supervisory system for Cold Chain Logistics, it is characterized in that, comprise the host node of powering on the transport vehicle that is installed on Cold Chain Logistics and by the vehicle power of transport vehicle, disperse to be arranged on transport vehicle multiple from node in each congealer, for monitoring described host node and multiple server from node, and for described host node and multiple between node and carry out the radio communication device of information interaction between host node and server; Wherein:
Described host node, for detection of the environmental information of transport vehicle of living in, receives the information transmitting from node by radio communication device, and detection gained transport vehicle environmental information and reception gained are sent to server from nodal information by radio communication device;
Described from node, for detection of the environmental information of congealer of living in, and send detection gained congealer environmental information to host node by radio communication device;
Described host node, comprise housing, be arranged on master node control, transport vehicle environmental information sensor, electric power system, real-time timepiece chip, host node radio communication device and the storer of described enclosure interior, and the external interface that is arranged on described outside and is connected with enclosure interior relevant device;
Described transport vehicle environmental information sensor, electric power system, real-time timepiece chip, host node radio communication device and storer, be connected with master node control respectively; Described electric power system, comprises the vehicle power electric supply installation and the rechargeable battery electric supply installation that are equipped with;
Described from node, comprise housing, and be arranged on described enclosure interior from node cpu, congealer environmental information sensor, battery powdered device, real-time timepiece chip and ZigBee communicator, and the ZigBee antennal interface that is arranged on described outside and is connected with enclosure interior relevant device;
Described congealer environmental information sensor, battery powdered device, real-time timepiece chip and ZigBee communicator, be connected respectively with from node cpu; Described ZigBee antennal interface, is connected with ZigBee communicator.
2. master-slave radio sensing node supervisory system for Cold Chain Logistics according to claim 1, is characterized in that the described number from node is at least 128; Described host node and at least 128 are from node composition Star Network, and carry out networking and communication by the agreement that meets ZigBee standard.
3. master-slave radio sensing node supervisory system for Cold Chain Logistics according to claim 1, is characterized in that, described master node control comprises host CPU that master-slave mode arranges and from CPU;
Described host CPU, is connected with transport vehicle environmental information sensor, electric power system, real-time timepiece chip, host node radio communication device and storer respectively; Described from CPU, be connected with described host CPU and host node radio communication device respectively.
4. master-slave radio sensing node supervisory system for Cold Chain Logistics according to claim 3, it is characterized in that, described host node radio communication device, comprise the GPRS communicator, GPS communicator and the WIFI communicator that are connected with described host CPU respectively, and respectively with the described ZigBee communicator being connected from CPU.
5. master-slave radio sensing node supervisory system for Cold Chain Logistics according to claim 4, is characterized in that described external interface comprises power interface, GPRS antennal interface, gps antenna interface, WIFI interface and ZigBee antennal interface;
Described power interface is connected with described electric power system, described GPRS antennal interface is connected with GPRS communicator, described gps antenna interface is connected with GPS communicator, and described WIFI interface is connected with WIFI communicator, and described ZigBee antennal interface is connected with ZigBee communicator.
6. according to master-slave radio sensing node supervisory system for the Cold Chain Logistics described in any one in claim 1-5, it is characterized in that, described transport vehicle environmental information sensor, comprises the temperature sensor, humidity sensor, acceleration transducer, the CO that are connected with described master node control, electric power system and host node radio communication device respectively
2gas sensor and GPS sensor.
7. master-slave radio sensing node supervisory system for Cold Chain Logistics according to claim 1 and 2, it is characterized in that, described congealer environmental information sensor, comprises respectively with described temperature sensor, humidity sensor, the acceleration transducer being connected from node cpu and battery powdered device and illegally opens sensor.
8. master-slave radio sensing node supervisory system for Cold Chain Logistics according to claim 7, it is characterized in that, the described sensor of illegally opening, comprises respectively and the described tongue tube being connected from node cpu and battery powdered device, and with congealer in the magnet that is equipped with of corresponding package case; Described tongue tube is connected with magnet; And/or,
Described ZigBee antennal interface is input and output bi-directional configuration; ZigBee antenna with described ZigBee antennal interface matches, adopts PCB antenna.
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| CN201320673853.2U CN203673312U (en) | 2013-10-30 | 2013-10-30 | Master-slave wireless sensing node monitoring system for cold-chain logistics |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643883A (en) * | 2016-11-25 | 2017-05-10 | 北京强度环境研究所 | Portable transportation state monitor based on near field communication, and operation method of portable transportation state monitor |
| CN109060035A (en) * | 2018-08-28 | 2018-12-21 | 重庆大学 | Internet of Things intelligence sensor |
| US11595894B2 (en) | 2019-09-20 | 2023-02-28 | Carrier Corporation | Method and system for saving power of a battery associated with item/s |
-
2013
- 2013-10-30 CN CN201320673853.2U patent/CN203673312U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643883A (en) * | 2016-11-25 | 2017-05-10 | 北京强度环境研究所 | Portable transportation state monitor based on near field communication, and operation method of portable transportation state monitor |
| CN109060035A (en) * | 2018-08-28 | 2018-12-21 | 重庆大学 | Internet of Things intelligence sensor |
| US11595894B2 (en) | 2019-09-20 | 2023-02-28 | Carrier Corporation | Method and system for saving power of a battery associated with item/s |
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