CN103929481A - WSID tag device for controlling container and operation method of WSID tag device for controlling container - Google Patents
WSID tag device for controlling container and operation method of WSID tag device for controlling container Download PDFInfo
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Abstract
The invention discloses a WSID tag device for controlling a container and an operation method of the WSID tag device for controlling the container. The WSID tag device comprises a microprocessor unit, a wireless communication unit, an acceleration sensor unit and a power management unit. The power management unit comprises a solar panel, a lithium battery charging control subunit, a lithium battery pack and a voltage conversion subunit. When the container is carried in a storage yard, the WSID tag device processes and stores position information, a vibration signal and cargo information of the container and finally sends the position information, the vibration signal and the cargo information of the container to a local terminal. When the container leaves the storage yard, the WSID tag device sends the position information and the cargo information of the container to a vehicle-mounted GPS/WSID information processing sending node on a transport vehicle, and then sends the information to a server. According to the WSID tag device and the operation method, the container anti-theft aim is effectively achieved, and the WSID tag device and the operation method have the advantages of being low in cost, high in performance cost ratio, good in real-time performance, high in environment applicability, low in power dissipation, long in service life, safe, reliable and the like.
Description
Technical field
The present invention relates to for container control device and operation method thereof, be especially applicable to WSID label apparatus and the operation method thereof of the occasions such as harbour container logistics management and control, the management and control of third party's container cargo distribution and goods management and control.
Background technology
Existing container automatic identification technology mainly contains " visual techniques " and the RFID electronic label identification technology that adopts bar code.
In when work, adopt " visual techniques " of bar code need to be by scanner, can only receive the scanner bar code within the vision of popping one's head in, one next, read quantity few at every turn.In addition, if bar code is scratched, pollute or come off, or the bad weather such as heavy rain dense fog, scanner is just beyond recognition target.Scanner can only be identified the producer and product No. ID, can not identify the particular content of product.And in most of the cases, container only uses the number of spraying, scanner identification usually can be misread.For fear of this type of phenomenon, often need artificial input digital.This method not only recognition efficiency is low, and there will be input error.
RFID electronic label identification technology cannot meet modern container management needs.First, it is quite limited that the decipherment distance of passive RFID tags just can be accomplished at present, and the longest also only have 10 meters of left and right, and human body is had to certain harm while using.Active RFID tag decipherment distance is long compared with passive RF label, and existing RFID label can not meet the demand of monitoring, location, tracking and Optimized Operation to container, can not be satisfied with the needs of transportation safety.Again, system cost is higher, is mainly manifested on read write line, particularly at needs, increase the coverage of monitoring and all the more so while increasing the quantity of read write line, and the networking of read write line is not yet completed into a standard of recognizing altogether at present.
Therefore need to research and develop a kind of new technology, solve the problems referred to above.
Summary of the invention
Goal of the invention: propose a kind of WSID label apparatus and operation method thereof for container management and control, to solve the problems referred to above of prior art.
Technical scheme: a kind of WSID label apparatus for container management and control, comprise microprocessor unit, wireless communication unit, acceleration transducer unit and Power Management Unit, Power Management Unit comprises solar panels, lithium cell charging control subelement, lithium battery group and voltage transitions subelement;
Described microprocessor unit is comprised of AVR series microprocessor chip and JTAG debugging interface subelement; Described wireless communication unit is comprised of radio frequency chip and antenna, adopts radio frequency chip CC1000 or CC1020 as process chip, and described microprocessor unit adopts spi bus to be connected with the data-interface of wireless communication unit;
Described acceleration transducer unit is high accuracy 3-axis acceleration sensor, passes through I
2c bus is connected with described microprocessor unit, and by vibration signal amount input microprocessor unit convert, parsing, verification, storage and transmission.
Described lithium cell charging is controlled subelement and is comprised of lithium cell charging managing chip, transistor or MOSFET pipe, charged state indicator light and peripheral circuit;
Described lithium cell charging managing chip is connected with solar panels by Schottky barrier rectifier, the direct voltage of solar panels output is charged to lithium battery group by the adjustable charging circuit of self adaptation, and lithium battery group temperature is monitored continuously, charging circuit is carried out to necessary protection and adjusting;
Lithium battery group output is connected with voltage transitions subelement input, and press chip or voltage-stabiliser tube and respective peripheral circuit that voltage transitions subelement output end voltage is carried out to grade transformation by ascending, descending, for the operation of microprocessor unit and other equipment provides required power supply voltage level.
Described acceleration transducer is provided with senser, by piezoelectric effect, three direction of principal axis acceleration signals of measured point are converted to the corresponding signal of telecommunication, and improve signal to noise ratio through signal conditioning circuit, and carry out analog-to-digital conversion and obtain digital signal, finally send into AVR microprocessor, AVR microprocessor carries out data processing again, stores and send to wireless communication unit.
The operation method of the above-mentioned WSID label apparatus for container management and control, comprises the steps:
4.1 system initializations, comprise the initialization of microprocessor unit and wireless communication unit, and the initialization of acceleration transducer unit;
4.2WSID label apparatus broadcast, if mobile airborne GPS/WSID information processing transmission node listens to this broadcast, send acknowledge message to WSID label apparatus, WSID label apparatus is replied acknowledge message again to mobile airborne GPS/WSID information processing transmission node after receiving mobile airborne GPS/WSID information processing transmission node acknowledge message, sets up WSID label apparatus and moves being connected of airborne GPS/WSID information processing transmission node;
After connecting, mobile airborne GPS/WSID information processing transmission node sends information inquiring request to WSID label apparatus, WSID label apparatus is received after Query Information, No. ID, container and other essential information of this container are packed, by wireless communication unit, send to mobile airborne GPS/WSID information processing transmission node;
Mobile airborne GPS/WSID information processing transmission node is received after container essential information, by GPRS module, the essential information of this container is sent to harbour remote monitoring terminal by 2G/3G network;
4.3WSID label apparatus broadcast, if mobile airborne GPS/WSID information processing transmission node does not listen to this broadcast, WSID label apparatus carries out MANET; First give each WSID label apparatus numbering, its hop value is set again, using WSID base station as root node, hop value is made as 0, the hop primary system one of all WSID label apparatus is made as to 255, WSID label apparatus inundation state information now, other WSID label apparatus receive that state information just deposits in the routing table of oneself, using the neighbours WSID label apparatus of oneself as father node;
The neighbours WSID label apparatus of WSID base station is using WSID base station as father node, to the jumping figure of WSID base station, is 1, broadcast information then, and its neighbours WSID label apparatus is received after information, upgrades oneself to routing iinformation and the father node numbering of WSID base station;
Receive state information at every turn, WSID label apparatus just upgrades routing table one time, until all WSID label apparatus are all provided with oneself to the jumping figure of root node, set up a tree-like topological structure, each WSID label apparatus is set up a complete routing table, the numbering that the inside comprises oneself, the numbering of father node, to the information such as jumping figure of WSID base station;
In the process of selecting, WSID label apparatus preferentially selects the minimum neighbours WSID label apparatus of jumping figure as father node, if jumping figure is identical, the quality of communication link relatively, selects neighbours WSID label apparatus that communication link quality is high as father node;
After 4.4 networkings complete, by WSID base station broadcast time synchronized request message, after the WSID label apparatus time of receipt (T of R) synchronization request information that hop value is 1, continue airtime synchronization request information; Hop value be 2 and routing table in father node be that hop value is still broadcast after 1 WSID label apparatus is received;
Adopt aforesaid way, from the root node of tree topology, time synchronized request message is sent to end WSID label apparatus always;
4.5 after routing table is set up, and except normal transmission data, WSID base station is carried out the broadcast of routing iinformation at set intervals; Each WSID label apparatus is received after broadcast message, the routing table of oneself is upgraded to the particularly maintenance to father node, jumping figure and the communication quality that can reappraise with neighbours WSID label apparatus;
If the jumping figure of current father node is greater than 1, it is deleted from routing table, from neighbours WSID label apparatus, choose the good WSID label apparatus of communication quality as father node;
After the 4.6WSID label apparatus deadline is synchronous, enter listen mode, if there is new WSID label apparatus to enter stockyard, carry out new networking, go to step 4.3;
If the value of 4.7 vibration signals that collect on x, y, z axle is less than respectively the threshold value presetting, fusion value simultaneously is also less than the fusion value M presetting, and keeps listen mode;
If the value of 4.8 vibration signals that collect on x, y, z axle is greater than respectively the threshold value presetting, fusion value simultaneously is also greater than the fusion value M presetting, WSID label apparatus is inquired about its routing table, obtain the numbering of father node and the jumping figure that arrives WSID base station, then the mode with multi-hop is finally sent to WSID base station;
If 4.9 local monitoring terminals receive the data of WSID base station, according to this container that judges for No. ID obtaining in packet, whether be normal scheduling operation;
If 4.9.1 this container of No. ID is in the operation plan table presetting, assert that this container is just in normal consistency; Local monitoring terminals sends Query Information to the WSID label apparatus on this container by WSID base station;
WSID label apparatus receives after Query Information, and the information that sends request is to mobile airborne GPS/WSID information gathering node, and the positional information packing that mobile airborne GPS/WSID information gathering node is collected sends to WSID label apparatus;
WSID label apparatus receives after the positional information that mobile airborne GPS/WSID information gathering node sends, and merges No. ID of this container WSID label apparatus, positional information and state information, and these 3 groups of data are sent to local monitoring terminals by WSID base station;
Local monitoring terminals software is determined container positional information accurately according to the data that receive by methods such as virtual reality technologies;
If 4.9.2 this container of No. ID is not in operation plan table, assert that container is stolen, monitor terminal starts corresponding alarm signal and reminds staff to go to scene check and take appropriate measures;
4.10 lithium cell chargings are controlled subelement charging and are controlled;
If 4.10.1 the voltage of power supply lithium battery group is greater than 4.2V, by the I/O control lithium cell charging of microprocessor, control subelement and close, now by lithium battery group, by electric pressure converter unit, other unit modules are powered;
If 4.10.2 the voltage of lithium battery group is less than 3.0V, the I/O of microprocessor control lithium cell charging control subelement is opened, and lithium battery group is charged, and gives other unit power supplies simultaneously.
Beneficial effect: by high accuracy three axle acceleration sensor monitoring containers, when container is during just like information such as thefts, WSID label apparatus is crossed 433MHz radio band by information exchange and is sent to local terminal, and container information and dispatch list are contrasted, if this container is not in dispatch list, send the alarm signals such as video/audio, notify keeper; The present invention has met the demand of monitoring, location, tracking, Optimized Operation and transportation safety; Improve the production and transport efficiency of container management and control, realized " seamless rank formula " real time job.
Accompanying drawing explanation
Fig. 1 is the structure chart of WSID label apparatus node of the present invention.
Fig. 2 is microprocessor unit circuit figure of the present invention.
Fig. 3 is wireless communication unit circuit diagram of the present invention.
Fig. 4 is acceleration transducer unit circuit diagram of the present invention.
Fig. 5 is Power Management Unit circuit diagram of the present invention.
Embodiment
In conjunction with Fig. 1 to Fig. 5, the present invention is described for WSID label apparatus and the operation method thereof of container management and control.Microprocessor unit 1 is by microprocessor chip U1, JTAG debugging interface subelement and other respective peripheral the electric circuit constitutes.
Microprocessor chip U1 selects AVR series microprocessor chip ATmega128, ATmega128A, ATmega128L, ATmega64, ATmega64A or ATmega64L, it is mainly used in calculating, parsing, verification and the storage of container position information and vibration signal, and completes the tasks such as the whole data calculating of container management and control wireless sensor network node device, signal controlling, algorithm process and wireless data transceiving control.Jtag interface is standard DIP10 pin debugging interface, can be connected with PC by AVR simulator, for debugging, emulation and the burning of system program.
Wireless communication unit is comprised of radio frequency chip and antenna, the Data Control that Fig. 3 is wireless communication unit and coffret, and radio frequency chip is selected wherein a kind of in low-power consumption, hyperfrequency monolithic wireless receiving and dispatching communication chip CC1000 and CC1020.Whether the 3-axis acceleration sensor ADXL345 of AD company is selected in acceleration sensing unit, for detection of container, be moved or stolen, passes through I
2c interface and INT interrupt pin and are connected with microprocessor.
Concrete implementation step is as follows:
1. first complete initial work, comprise the initialization of microprocessor unit and wireless communication unit and the initialization of acceleration transducer unit;
2.WSID label apparatus broadcast, if mobile airborne GPS/WSID information processing transmission node listens to after this broadcast, by three-way handshake, WSID label apparatus connects with mobile airborne GPS/WSID information processing transmission node;
3. after connecting, mobile airborne GPS/WSID information processing transmission node sends information inquiring request to WSID label apparatus, WSID label apparatus is received after Query Information, by No. ID, container and other essential information of this container (upstream and downstream harbour, particulars of goods, haulage time and the owner of cargo etc.) pack, by 433MHz wireless transmit/receive units, send to mobile airborne GPS/WSID information processing transmission node, mobile airborne GPS/WSID information processing transmission node is received after container essential information, by GPRS module, the essential information of this container is sent to harbour remote monitoring terminal by 2G/3G network, strong interference immunity, signal diffraction (penetrability) is strong, and supports various point-to-pointly, and the wireless data communication mode of a point-to-multipoint and wireless sensor network, has transceiver, the feature such as reliable and stable, can meet port logistics large-scale promotion application completely.
4.WSID label apparatus broadcast, if mobile airborne GPS/WSID information processing transmission node does not listen to this broadcast, WSID label apparatus carries out MANET.
5.WSID label apparatus MANET, first give each WSID label apparatus numbering, its hop value (to root node maximum hop count) is set again, using WSID base station as root node, hop value is made as 0, and the hop primary system one of all WSID label apparatus is made as to 255, WSID label apparatus inundation state information (AM value is 255) now, other WSID label apparatus receive that state information just deposits in the routing table of oneself, using the neighbours WSID label apparatus of oneself (being 1 to this label apparatus jumping figure) as father node, the neighbours WSID label apparatus of WSID base station is using WSID base station as father node, jumping figure to WSID base station is 1, then broadcast information, its neighbours WSID label apparatus is received after information, upgrade oneself to routing iinformation and the father node numbering of WSID base station, receive state information at every turn, WSID label apparatus just upgrades routing table one time, until all WSID label apparatus are all provided with oneself to the jumping figure of root node.So just set up a tree-like topological structure, each WSID label apparatus is set up a complete routing table, the numbering that the inside comprises oneself, the numbering of father node, to the information such as jumping figure of WSID base station.In the process of selecting, WSID label apparatus can preferentially select the minimum neighbours WSID label apparatus of jumping figure as father node, if fruit jumping figure is identical, can compare the quality of communication link, selects neighbours WSID label apparatus that communication link quality is high as father node.
6., after networking completes, by WSID base station broadcast time synchronized request message, after the WSID label apparatus time of receipt (T of R) synchronization request information that hop value is 1, continue airtime synchronization request information; Hop value be 2 and routing table in father node be that hop value is still broadcast after 1 WSID label apparatus is received; In this way, from the root node of tree topology, time synchronized request message is sent to end WSID label apparatus always.
7. after routing table is set up, except normal transmission data, WSID base station is carried out the broadcast of routing iinformation at set intervals.Each WSID label apparatus is received after broadcast message, the routing table of oneself is upgraded to the particularly maintenance to father node, jumping figure and the communication quality that can reappraise with neighbours WSID label apparatus.If the jumping figure of current father node is greater than 1, it is deleted from routing table, from neighbours WSID label apparatus, choose the good WSID label apparatus of communication quality as father node.
After the 8.WSID label apparatus deadline is synchronous, enter listen mode, if there is new WSID label apparatus to enter stockyard, carry out new networking, go to 3;
If the value of 9 vibration signals that collect on x, y, z axle is less than respectively the threshold value presetting, fusion value simultaneously is also less than the fusion value presetting
keep listen mode;
If the value of 10 vibration signals that collect on x, y, z axle is greater than respectively the threshold value presetting, fusion value simultaneously is also greater than the fusion value presetting
wSID label apparatus is inquired about its routing table, obtains the numbering of father node and the jumping figure that arrives WSID base station, and then the mode with multi-hop is finally sent to WSID base station.
If 11 local monitoring terminals receive the data of WSID base station, according to this container that judges for No. ID obtaining in packet, whether be normal scheduling operation.
Embodiment mono-
In above-mentioned microprocessor unit, microprocessor chip U1 selects low-power consumption, high performance 8 the CMOS processor A Tmega128L that atmel corp produces, as shown in Figure 2.ATmega128L has the risc architecture based on AVR, and data throughput is up to 1MIPS/MHz, thereby can extenuate the contradiction of system between power consumption and processing speed.The data wire of the jtag interface in microprocessor unit is connected with 54～57 pins of ATmega128L microprocessor chip after pull-up resistor R1～R4.LED1, LED2, LED3 are working station indicator and the wireless communication unit data transmit-receive indicator light of ATmega128L microprocessor chip, in the system debug stage, according to the ruuning situation of the state determining program of its indicator light, status indicator LED 1-LED3 lamp is connected with 49,50,51 pins of ATmega128L.R9 and C11 form software reset's circuit.Y1, Y2 are crystal oscillator, and Y1 is low frequency crystal oscillator, and frequency of oscillation is 32.768kHz, can when processor runs on low-power consumption mode, use.Y2 is high frequency crystal oscillator, and frequency of oscillation is 7.3728MHz, is system clock source.SO, SI, SCK1, SCK2, CS1, CS2 are for to carry out SPI-bus analogue interface with common I/O mouth, and it can make ATmega128L microprocessor chip and various ancillary equipment communicate with exchange message with serial mode.Low-power consumption, ultra-high frequency wireless transceiving chip CC1000 that radio frequency chip selects TI company to produce, as shown in Figure 3, adopt advanced SmartRF technology, work in 315MHz, 433MHz, 868MHz or 915MHz ISM/SRD frequency range, can programme by spi bus interface flexible.ATmega128L microprocessor chip is connected with CC1000 by the 11st, 12,29,31,32,61 pins, and CC1000 can programme by simple three serial data interfaces (PDATA, PCLK and PALE).
Embodiment bis-
Above-mentioned acceleration transducer unit is selected the 3-axis acceleration sensor ADXL345 of AD company, as shown in Figure 4.ADXL345 is a little and thin super low-power consumption 3 axis accelerometers, and resolution reaches 13, reach ± 16g of measuring range.Digital output data is 16 complement of two's two's complement forms, can pass through SPI (3 lines or 4 lines) or I
2the access of C digital interface.It can measure static weight acceleration in tilt detection application, can also measure motion or impact the dynamic acceleration causing.Its high-resolution (3.9mg/LSB), can measure the angle change less than 1.0 °.This device provides multiple special detection function.The threshold value that movable and inactive measuring ability arranges by the acceleration on comparison arbitrary axis and user detects and having or not motion to occur.Knock measuring ability and can detect singly shaking of any direction and two vibration work.Whether freely falling body measuring ability can detection means drop.These functions can independently be mapped in two interrupt output pins.Adopt one 32 grades first in first out (FIFO) buffer, can be used for storing data, thereby host-processor load is down to minimum, and reduce total system power consumption.Low-power consumption mode is supported based drive intelligent electric power management, thereby carries out threshold value sensing and acceleration of motion measurement with extremely low power consumption.Because microprocessor SPI interface is taken by wireless communication unit, therefore acceleration transducer unit adopts I
2c interface and microprocessor carry out transfer of data.In order to improve I
2the transmission rate of C transfer of data and guarantee its data transmission quality, by pull-up resistor by I
2c data wire SDA and clock line SCL are pulled to VCC.
Embodiment tri-
No matter be microprocessor unit, wireless communication unit or acceleration transducer unit, be all to adopt 3.3V to power.Because container body cannot provide stable power supply, simultaneously, in order to make the work that WSID label apparatus node can be permanent, Power Management Unit adopts 4.2V lithium battery group to power, and solar panels and lithium cell charging are controlled the subelement control of charging.In Fig. 5, U3 adopts newly-built lithium cell charging managing chip LTC4052-4.2, and it is widely used in the charging needs of lithium battery group (Li-lon) and lithium polymer battery group (Li-Pol).Solar panels BT1 is connected with microprocessor I/O mouth and advanced lithium cell charging managing chip LTC4052-4.2 by Schottky barrier diode D3, lithium battery group input termination microprocessor ADC mouth, the supply power voltage that lithium battery group detected when microprocessor during in 3.0V left and right, is controlled LTC4052-4.2 by I/O mouth and is charged.What LTC4052-4.2 adopted is the 8 pin encapsulation of biserial MOSP paster, has that C/10 detects, charged state prompting, charging stop timing device, AC adapter detect and overcurrent protection function.The chip that voltage conversion circuit adopts is TPS73633; TPS73633 has new NMOS topology; low reverse current leakage can be provided; the typical case (10Hz to 100kHz) simultaneously with low noise: 30VRMS; 0.5% initial precision 1% overall precision; maximum current limit protection is provided, regulated output voltage 3.3V is provided.
When lithium battery group voltage is less than or equal to 3.0V, because input is connected with microprocessor ADC pin, when lithium battery group brownout being detected and need to charge, by controlling I/O mouth, control D3 conducting, by solar panels BT1, be now that lithium battery group is charged, charged state display lamp D1 is bright, D2 goes out.When the voltage of lithium battery group is more than or equal to 4.2V, by controlling I/O mouth, control D3 and end, now by solar panels BT1 no longer for lithium battery group is charged, charged state display lamp D1 goes out, D2 is bright.
In the above-described embodiments, on installation mold designing and making, sensing node and power supply node are realized to assembling, adopt high density waterproof, damp-proof device to guarantee that circuit board avoids moist and corrode, and guarantee enough physical distances, and the radio transmitting and receiving chip on radio receiving transmitting module is adopted to metal-back encapsulation, so both reduce the interference of power panel to radio receiving transmitting module, also strengthened the antijamming capability of radio receiving transmitting module, thereby improved the performance of wireless receiving and dispatching.
In a word, the present invention has can networking under unified standard agreement, expansion on a large scale and reliable teletransmission, system distributivity, self-organization, dynamic reconfigurable, multi-hop route, environmental suitability and system are installed, the advantage of the aspects such as maintenance and cost, and further merged GPS, GPRS, GIS, VR technology is constructed harbour container Internet of Things managing and control system container is identified, location, follow the tracks of, safety precaution (anti-substitute, caution against stealing and anti-terrorist activity), Optimized Operation is also realized sea, iron, land, river (comprising the Changjiang river) through transport, and in identification, in location, not only can determine the two-dimensional position of container, container on stockyard is carried out to subregion and minute row, and the identification of the layering can also stack the container on stockyard time, can greatly reduce haulage time, improve conevying efficiency, save cost of transportation, improve the throughput in harbour.
Particularly, be arranged on that wireless sensor network node device on container can be real-time to the movement of container and antitheft monitoring, and cost is low, microminiaturized, low in energy consumption; Secondly, this system has the advantages such as self-organizing, flexibility are strong, good reliability, can round-the-clock unattended operation ground effectively solves scheduling and the problem such as antitheft of container.Again, can realize scene and remote system data acquisition, controlling alarm and equipment and control, container is carried out Real-Time Monitoring and processed accordingly, can greatly improve the scientific and technological content of port logistics, improve the efficiency of port logistics running.Yard management person can understand the container stacking in its stockyard of administering and the situation of scheduling in real time by mobile phone or the Web page, really realize informationization, the networking of port logistics technology, for solving container subregion, minute row's horizontal two-dimension location and the third dimension orientation problem that coordinates monitor terminal software to use GIS and VR technology to realize layering, laid most important basis.
As above,, although represented and explained the present invention with reference to specific preferred embodiment, it shall not be construed as the restriction to the present invention self.Not departing under the spirit and scope of the present invention prerequisite of claims definition, can make in the form and details various variations to it.
Claims (4)
1. for a WSID label apparatus for container management and control, it is characterized in that:
Comprise connected sensing mainboard and power management plate, described sensing mainboard comprises microprocessor unit, wireless communication unit and acceleration transducer unit; Described power management plate comprises successively connected lithium cell charging control unit, voltage isolated location and electric pressure converter unit;
Described microprocessor unit adopts AVR series microprocessor chip; Described wireless communication unit is comprised of Data Transmission Controlling subelement and wireless receiving and dispatching interface subelement, adopt wireless receiving and dispatching communication chip CC1000 or CC1020 as process chip, described microprocessor unit adopts spi bus to be connected with the data-interface of wireless communication unit;
Described acceleration transducer unit is high accuracy 3-axis acceleration sensor, passes through I
2c bus is connected with described microprocessor unit, and by vibration signal amount input microprocessor unit convert, parsing, verification, storage and transmission.
2. the WSID label apparatus for container management and control according to claim 1, is characterized in that: described lithium cell charging control unit is comprised of lithium cell charging managing chip, transistor or MOSFET pipe, charged state indicator light and peripheral circuit;
Described lithium cell charging managing chip is connected with solar panel by Schottky barrier rectifier, the direct voltage of solar panel output is charged to lithium battery group by the adjustable charging circuit of self adaptation, and lithium battery group temperature is monitored continuously, charging circuit is carried out to necessary protection and adjusting;
Lithium battery group output is connected with voltage isolated location, voltage isolated location is comprised of wide pressure isolation level pressure output module, and be connected with cmos analog switch chip, from the voltage of cmos analog switch chip output, supply wireless communication unit, acceleration transducer unit work, cmos analog switch chip is connected with the common I/O mouth of microprocessor unit, and controls the turn-on and turn-off of cmos analog switch chip;
Electric pressure converter unit is connected with the output of voltage isolated location, and press chip or voltage-stabiliser tube and respective peripheral circuit that voltage isolated location output end voltage is carried out to grade transformation by ascending, descending, for the operation of sensing mainboard and other equipment provides required power supply voltage level.
3. the WSID label apparatus for container management and control according to claim 1 and 2, it is characterized in that: described acceleration transducer is provided with senser, by piezoelectric effect, three direction of principal axis acceleration signals of measured point are converted to the corresponding signal of telecommunication, and improve signal to noise ratio through signal conditioning circuit, and carry out analog-to-digital conversion and obtain digital signal, finally send into AVR microprocessor, AVR microprocessor carries out data processing again, stores and send to wireless communication unit.
4. the operation method of the WSID label apparatus for container management and control claimed in claim 1, is characterized in that, comprises the steps:
4.1 sensing mainboards power on, and system initialization comprises the initialization of microprocessor unit and wireless communication unit, and the initialization of acceleration transducer unit;
4.2 WSID label apparatus broadcasts, if mobile airborne GPS/WSID information processing transmission node listens to this broadcast, send acknowledge message to WSID label apparatus, WSID label apparatus is replied acknowledge message again to mobile airborne GPS/WSID information processing transmission node after receiving mobile airborne GPS/WSID information processing transmission node acknowledge message, sets up WSID label apparatus and moves being connected of airborne GPS/WSID information processing transmission node;
After connecting, mobile airborne GPS/WSID information processing transmission node sends information inquiring request to WSID label apparatus, WSID label apparatus is received after Query Information, No. ID, container and other essential information of this container are packed, by wireless transmit/receive units, send to mobile airborne GPS/WSID information processing transmission node;
Mobile airborne GPS/WSID information processing transmission node is received after container essential information, by GPRS module, the essential information of this container is sent to harbour remote monitoring terminal by 2G/3G network;
4.3 WSID label apparatus broadcasts, if mobile airborne GPS/WSID information processing transmission node does not listen to this broadcast, WSID label apparatus carries out MANET; First give each WSID label apparatus numbering, its hop value is set again, using WSID base station as root node, hop value is made as 0, the hop primary system one of all WSID label apparatus is made as to 255, WSID label apparatus inundation state information now, other WSID label apparatus receive that state information just deposits in the routing table of oneself, using the neighbours WSID label apparatus of oneself as father node;
The neighbours WSID label apparatus of WSID base station is using WSID base station as father node, to the jumping figure of WSID base station, is 1, broadcast information then, and its neighbours WSID label apparatus is received after information, upgrades oneself to routing iinformation and the father node numbering of WSID base station;
Receive state information at every turn, WSID label apparatus just upgrades routing table one time, until all WSID label apparatus are all provided with oneself to the jumping figure of root node, set up a tree-like topological structure, each WSID label apparatus is set up a complete routing table, the numbering that the inside comprises oneself, the numbering of father node, to the information such as jumping figure of WSID base station;
In the process of selecting, WSID label apparatus preferentially selects the minimum neighbours WSID label apparatus of jumping figure as father node, if fruit jumping figure is identical, the quality of communication link relatively, selects neighbours WSID label apparatus that communication link quality is high as father node;
After 4.4 networkings complete, by WSID base station broadcast time synchronized request message, after the WSID label apparatus time of receipt (T of R) synchronization request information that hop value is 1, continue airtime synchronization request information; Hop value be 2 and routing table in father node be that hop value is still broadcast after 1 WSID label apparatus is received;
Adopt aforesaid way, from the root node of tree topology, time synchronized request message is sent to end WSID label apparatus always;
4.5 after routing table is set up, and except normal transmission data, WSID base station is carried out the broadcast of routing iinformation at set intervals; Each WSID label apparatus is received after broadcast message, the routing table of oneself is upgraded to the particularly maintenance to father node, jumping figure and the communication quality that can reappraise with neighbours WSID label apparatus;
If the jumping figure of current father node is greater than 1, it is deleted from routing table, from neighbours WSID label apparatus, choose the good WSID label apparatus of communication quality as father node;
After 4.6 WSID label apparatus deadlines are synchronous, enter listen mode, if there is new WSID label apparatus to enter stockyard, carry out new networking, go to step 4.3;
If the value of 4.7 vibration signals that collect on x, y, z axle is less than respectively the threshold value presetting, fusion value simultaneously is also less than the fusion value M presetting, and keeps listen mode;
If the value of 4.8 vibration signals that collect on x, y, z axle is greater than respectively the threshold value presetting, fusion value simultaneously is also greater than the fusion value M presetting, WSID label apparatus is inquired about its routing table, obtain the numbering of father node and the jumping figure that arrives WSID base station, then the mode with multi-hop is finally sent to WSID base station;
If 4.9 local monitoring terminals receive the data of WSID base station, according to this container that judges for No. ID obtaining in packet, whether be normal scheduling operation;
If 4.9.1 this container of No. ID is in the operation plan table presetting, assert that this container is just in normal consistency; Local monitoring terminals sends Query Information to the WSID label apparatus on this container by WSID base station;
WSID label apparatus receives after Query Information, and the information that sends request is to mobile airborne GPS/WSID information gathering node, and the positional information packing that mobile airborne GPS/WSID information gathering node is collected sends to WSID label apparatus;
WSID label apparatus receives after the positional information that mobile airborne GPS/WSID information gathering node sends, and merges No. ID of this container WSID label apparatus, positional information and state information, and these 3 groups of data are sent to local monitoring terminals by WSID base station;
Local monitoring terminals software is determined container positional information accurately according to the data that receive by methods such as virtual reality technologies;
If 4.9.2 this container of No. ID is not in operation plan table, assert that container is stolen, monitor terminal starts corresponding alarm signal and reminds staff to go to scene check and take appropriate measures;
4.10 solar recharging element circuits are controlled;
If 4.10.1 the voltage of power supply lithium battery group is greater than 4.2V, by the I/O control solar charging electric unit of microprocessor, closed, now by lithium battery group, by electric pressure converter unit, other unit modules are powered;
If 4.10.2 the voltage of lithium battery group is less than 3.0V, the I/O of microprocessor control solar charging electric unit is opened, and lithium battery group is charged, and gives other unit power supplies simultaneously.
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