CN103929481B - For the WSID label apparatus and its operation method of container management and control - Google Patents
For the WSID label apparatus and its operation method of container management and control Download PDFInfo
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- CN103929481B CN103929481B CN201410144877.8A CN201410144877A CN103929481B CN 103929481 B CN103929481 B CN 103929481B CN 201410144877 A CN201410144877 A CN 201410144877A CN 103929481 B CN103929481 B CN 103929481B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a kind of WSID label apparatus and its operation method for container management and control, the WSID label apparatus include microprocessor unit, wireless communication unit, acceleration transducer unit and PMU, and the PMU includes solar panels, lithium cell charging control subelement, lithium battery group and voltage conversion subelement.When container is carried in stockyard, after the positional information of container, vibration signal and goods information are carried out treatment storage by WSID label apparatus, local terminal is ultimately sent to.When container leaves stockyard, the positional information and goods information of container are sent to WSID label apparatus the Airborne GPS/WSID information processing transmission nodes on transport vehicle, then transmit information to server.Present invention efficiently solves the problem of container anti-theft, have the advantages that low cost, cost performance are high, real-time is good, ambient adaptability is strong, low in energy consumption, long lifespan and safe and reliable.
Description
Technical field
The present invention relates to be used for container control device and its operation method, harbour container stream tube is especially adapted for use in
The WSID label apparatus and its operation method of the occasions such as 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 has using " visual techniques " and the RFID identification of bar code
Technology.
Operationally, needed by scanner using " visual techniques " of bar code, scanner probe field of view can only be received
In the range of bar code, one at a time, every time read quantity it is few.If additionally, bar code is scratched, pollute or come off, or
The bad weathers such as person's heavy rain dense fog, scanner is just beyond recognition target.Scanner can only recognize No. ID of the producer and product, and
The particular content of product can not be recognized.And, in most cases, container only uses the number of spraying, scanner identification
Can usually misread.In order to avoid such phenomenon, it is often necessary to be manually entered number.Not only recognition efficiency is low for this method,
And input error occurs.
RFID identification technology cannot meet modern container management needs.First, the knowledge of passive RFID tags
What distance can just not accomplish at present is fairly limited, most long also only 10 meters or so, and has certain danger when using to human body
Evil.Active RFID tag identification distance is long compared with passive RF label, and existing RFID label tag can not meet the prison to container
The demand of survey, positioning, tracking and Optimized Operation, the need for transportation safety can not being satisfied with.Again, system cost is higher,
It is mainly manifested on read write line, is particularly even more such as when the coverage for needing increase to monitor increases the quantity of read write line
This, and the networking of read write line not yet forms a standard recognized altogether completely at present.
Therefore need to research and develop a kind of new technology to solve the above problems.
The content of the invention
Goal of the invention:A kind of WSID label apparatus and its operation method for container management and control are proposed, it is existing to solve
The above mentioned problem of technology.
Technical scheme:A kind of WSID label apparatus for container management and control, including microprocessor unit, radio communication list
Unit, acceleration transducer unit and PMU, PMU include that solar panels, lithium cell charging control are single
Unit, lithium battery group and voltage conversion subelement;
The microprocessor unit is made up of AVR series microprocessors chip and JTAG debugging interface subelements;The nothing
Line communication unit is made up of radio frequency chip and antenna, described micro- using radio frequency chip CC1000 or CC1020 as process chip
Processor unit is connected using spi bus with the data-interface of wireless communication unit;
The acceleration transducer unit is high accuracy 3-axis acceleration sensor, by I2C buses and the microprocessor
Device unit is connected, and vibration signal amount input microprocessor unit is converted, parses, verifies, stores and transmitted.
The lithium cell charging control subelement is by lithium cell charging managing chip, transistor or MOSFET pipe, charging shape
State indicator lamp and peripheral circuit are constituted;
The lithium cell charging managing chip is connected by Schottky barrier rectifier with solar panels, and solar panels are defeated
The DC voltage for going out is charged by the adjustable charging circuit of self adaptation to lithium battery group, and lithium battery group temperature is continuously supervised
Survey, necessary protection and regulation are carried out to charging circuit;
Lithium battery group output end is connected with voltage conversion subelement input, and by ascending, descending press chip or voltage-stabiliser tube and
Respective peripheral circuit converts the voltage into subelement output end voltage and carries out grade transformation, is microprocessor unit and other equipment
Power supply voltage level needed for offer is provided.
The acceleration transducer is provided with sensing element, is believed three direction of principal axis acceleration of measured point by piezo-electric effect
Corresponding electric signal number is converted to, and improves signal to noise ratio by signal conditioning circuit, and carry out analog-to-digital conversion and obtain digital letter
Number, AVR microprocessors are finally sent into, AVR microprocessors carry out data processing, store and be sent to wireless communication unit again.
The operation method of the above-mentioned WSID label apparatus for container management and control, comprises the following steps:
4.1 system initializations, including microprocessor unit and wireless communication unit initialization, and acceleration transducer
The initialization of unit;
4.2WSID label apparatus broadcast the message, if to listen to this wide for the airborne GPS/WSID information processings transmission node of movement
Message is broadcast, is then sent confirmation message and is received the airborne GPS/WSID information processings of movement to WSID label apparatus, WSID label apparatus
Replying confirmation message after transmission node confirmation message again gives movement airborne GPS/WSID information processings transmission node, sets up WSID marks
Sign the connection of device and the airborne GPS/WSID information processings transmission node of movement;
After setting up connection, the airborne GPS/WSID information processings transmission node of movement sends information inquiring request and gives WSID labels
Device, after WSID label apparatus receive Query Information, container ID and the container other essential informations is packed,
The airborne GPS/WSID information processings transmission node of movement is sent to by wireless communication unit;
After the airborne GPS/WSID information processings transmission node of movement receives container essential information, should by GPRS module
The essential information of container is sent to harbour remote monitoring terminal by 2G/3G networks;
4.3WSID label apparatus broadcast the message, if the airborne GPS/WSID information processings transmission node of movement does not listen to this
Broadcast message, then WSID label apparatus carry out MANET;Numbered to each WSID label apparatus first, then its hop value is set, will
WSID base stations are set to 0 as root node, hop values, the hop primary systems one of all of WSID label apparatus are set into 255, now WSID
Label apparatus flood status information, and other WSID label apparatus receive status information and are just stored in the routing table of oneself, by oneself
Neighbours' WSID label apparatus as father node;
WSID base stations as father node, the hop count to WSID base stations are 1 by the neighbours WSID label apparatus of WSID base stations, so
Broadcast routing information, after its neighbours' WSID label apparatus receives information, updates oneself routing iinformation and father to WSID base stations afterwards
Node serial number;
Status information is received every time, WSID label apparatus just update a routing table, until all of WSID label apparatus
All there is provided oneself establishes a tree-like topological structure to the hop count of root node, each WSID label apparatus sets up one
Complete routing table, numbering of the inside comprising oneself, the numbering of father node, the information such as hop count to WSID base stations;
During selection, the minimum neighbours WSID label apparatus of WSID label apparatus prioritizing selection hop counts are saved as father
Point, if hop count is identical, compares the quality of communication link, the neighbours' WSID label apparatus conducts high of selection communication link quality
Father node;
After the completion of 4.4 networkings, by WSID base station broadcast time synchronized request messages, hop values are received for 1 WSID label apparatus
To after time synchronization request information, continue to broadcast time synchronized solicited message;Hop values be 2 and routing table in father node be hop
The WSID label apparatus being worth for 1 are still broadcasted after receiving;
Using aforesaid way, time synchronized request message is sent to end WSID marks always from the root node of tree topology
Sign device;
4.5 after routing table foundation, and in addition to normal transmission data, WSID base stations are route at regular intervals
The broadcast of information;After each WSID label apparatus receives broadcast message, the routing table to oneself is updated, and particularly father is saved
The maintenance of point, can reappraise the hop count and communication quality with neighbours' WSID label apparatus;
If the hop count of current father node is more than 1, it is deleted from routing table, from neighbours' WSID label apparatus
The preferable WSID label apparatus of communication quality are chosen as father node;
After 4.6WSID label apparatus deadline synchronizations, into pattern is intercepted, if there is new WSID label apparatus to enter heap
, then new networking is carried out, go to step 4.3;
If value of 4.7 vibration signals for collecting on x, y, z axle is respectively smaller than presetting threshold value, while fusion value
Less than presetting fusion value M, then keep intercepting pattern;
If value of 4.8 vibration signals for collecting on x, y, z axle is respectively greater than presetting threshold value, while fusion value
More than presetting fusion value M, then WSID label apparatus inquire about its routing table, obtain the numbering of father node and reach WSID bases
The hop count stood, is then eventually sent to WSID base stations in a multi-hop fashion;
If 4.9 local monitoring terminals receive the data of WSID base stations, being judged according to No. ID obtained in packet should
Whether container is normal scheduling operation;
If 4.9.1 the container of No. ID is in presetting operation plan table, assert that the container is normal
Scheduling;Local monitoring terminals send Query Information to the WSID label apparatus on the container by WSID base stations;
After WSID label apparatus receive Query Information, transmit request information to move airborne GPS/WSID information gatherings section
Point, the positional information that the airborne GPS/WSID information collection nodes of movement are collected is transmitted and gives WSID label apparatus;
After WSID label apparatus receive the positional information that the airborne GPS/WSID information collection nodes of movement send, the collection is merged
Vanning No. ID of WSID label apparatus, positional information and status information, this 3 groups of data are sent to locally by WSID base stations
Monitor terminal;
Local monitoring terminals software determines that container is accurate according to the data for receiving by methods such as virtual reality technologies
Positional information;
If 4.9.2 the container of No. ID is not in operation plan table, assert that container is stolen, monitor terminal starts
Corresponding alarm signal reminds staff to go to scene to check and take appropriate measures;
4.10 lithium cell chargings control subelement charge control;
If 4.10.1 the voltage of power supply lithium battery group is more than 4.2V, lithium cell charging control is controlled by the I/O of microprocessor
Subunit is closed, and now other unit modules are powered by voltage class converter unit by lithium battery group;
If 4.10.2 the voltage of lithium battery group is less than 3.0V, I/O control lithium cell charging control of microprocessor are single
Unit opens, and lithium battery group is charged, while being powered to other units.
Beneficial effect:By three axle acceleration sensor monitoring containers of high accuracy, when container is just like information such as thefts,
Information is sent to local terminal by WSID label apparatus by 433MHz radio bands, and container information is carried out with dispatch list
Contrast, if the container sends the alarm signals such as video/audio not in dispatch list, notifies keeper;The present invention meets
The demand of monitoring, positioning, tracking, Optimized Operation and transportation safety;The production and transport efficiency of container management and control is improve, is realized
" seamless rank formula " real time job.
Brief description of the drawings
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 PMU circuit diagram of the present invention.
Specific embodiment
It is used for the WSID label apparatus and its operation method of container management and control with reference to Fig. 1 to Fig. 5 description present invention.Microprocessor
Device unit 1 is made up of microprocessor chip U1, JTAG debugging interface subelement and other respective peripheral circuits.
Microprocessor chip U1 from AVR series microprocessor chips ATmega128, ATmega128A, ATmega128L,
ATmega64, ATmega64A or ATmega64L, it is mainly used in calculating, the solution of container position information and vibration signal
Analyse, verify and store, and the whole data of completion container management and control wireless sensor network node device are calculated, signal is controlled,
The task such as algorithm process and wireless data transceiving control.Jtag interface is standard DIP10 pin debugging interfaces, can be imitative by AVR
True device is connected with PC, debugging, emulation and burning for system program.
Wireless communication unit is made up of radio frequency chip and antenna, and Fig. 3 connects for the data control and transmission of wireless communication unit
Mouthful, radio frequency chip is from the one of which in low-power consumption, hyperfrequency monolithic wireless receiving and dispatching communication chip CC1000 and CC1020.Plus
Velocity pick-up unit selects AD companies 3-axis acceleration sensor ADXL345, for detecting whether container is moved or quilt
Steal, by I2C interface and INT interrupt pin and are connected with microprocessor.
Specific implementation step is as follows:
1. complete initial work first, including microprocessor unit and wireless communication unit initialization and acceleration
The initialization of sensor unit;
2.WSID label apparatus broadcast the message, if the airborne GPS/WSID information processings transmission node of movement listens to the broadcast
After message, by three-way handshake, WSID label apparatus are set up with the airborne GPS/WSID information processings transmission node of movement and are connected;
3. after setting up connection, the airborne GPS/WSID information processings transmission node of movement sends information inquiring request and is marked to WSID
Device is signed, after WSID label apparatus receive Query Information, by container ID and the container other essential information (upstream and downstream
Harbour, particulars of goods, haulage time and owner of cargo etc.) packed, it is airborne to be sent to movement by 433MHz wireless transmit/receive units
GPS/WSID information processing transmission nodes, the airborne GPS/WSID information processings transmission node of movement receives container essential information
Afterwards, the essential information of the container is sent to harbour remote monitoring terminal by 2G/3G networks by GPRS module;It is anti-interference
Property it is strong, signal diffractive (penetrability) is strong, and supports various point-to-point, point to multi--point and wireless sensor network without line number
According to communication modes, with transceiver, it is reliable and stable the features such as, port logistics large-scale promotion application can be fully met.
4.WSID label apparatus broadcast the message, if not listen to this wide for the airborne GPS/WSID information processings transmission node of movement
Message is broadcast, then WSID label apparatus carry out MANET.
5.WSID label apparatus MANETs, number to each WSID label apparatus first, then set its hop value (to root section
Point maximum hop count), using WSID base stations as root node, hop values are set to 0, and by the hop primary systems one of all of WSID label apparatus
255 are set to, now WSID label apparatus flooding status information (AM values are 255), other WSID label apparatus receive status information
Just it is stored in the routing table of oneself, using the neighbours WSID label apparatus (being 1 to the label apparatus hop count) of oneself as father node,
Using WSID base stations as father node, the hop count to WSID base stations is 1 to the neighbours WSID label apparatus of WSID base stations, then broadcasts road
By information, after its neighbours' WSID label apparatus receives information, oneself is updated to routing iinformation and the father node numbering of WSID base stations,
Status information is received every time, WSID label apparatus just update a routing table, until all of WSID label apparatus are all provided with
Oneself hop count to root node.Thus establish a tree-like topological structure, each WSID label apparatus set up one it is complete
Whole routing table, numbering of the inside comprising oneself, the numbering of father node, the information such as hop count to WSID base stations.In the mistake of selection
Cheng Zhong, WSID label apparatus understand the minimum neighbours WSID label apparatus of prioritizing selection hop count as father node, if hop count is identical,
The quality of communication link can then be compared, selection communication link quality neighbours' WSID label apparatus high are used as father node.
6. after the completion of networking, by WSID base station broadcast time synchronized request messages, hop values are received for 1 WSID label apparatus
To after time synchronization request information, continue to broadcast time synchronized solicited message;Hop values be 2 and routing table in father node be hop
The WSID label apparatus being worth for 1 are still broadcasted after receiving;In this way, time synchronized is asked from the root node of tree topology
Message is sent to end WSID label apparatus always.
7. after routing table foundation, in addition to normal transmission data, WSID base stations are route at regular intervals
The broadcast of information.After each WSID label apparatus receives broadcast message, the routing table to oneself is updated, and particularly father is saved
The maintenance of point, can reappraise the hop count and communication quality with neighbours' WSID label apparatus.If the hop count of current father node
More than 1, then it is deleted from routing table, the preferable WSID label apparatus of communication quality are chosen from neighbours' WSID label apparatus
As father node.
After 8.WSID label apparatus deadline synchronizations, into pattern is intercepted, if there is new WSID label apparatus to enter heap
, then new networking is carried out, go to 3;
If value of 9 vibration signals for collecting on x, y, z axle is respectively smaller than presetting threshold value, while fusion value is also small
In presetting fusion valueThen keep intercepting pattern;
If value of 10 vibration signals for collecting on x, y, z axle is respectively greater than presetting threshold value, while fusion value
More than presetting fusion valueThen WSID label apparatus inquire about its routing table, obtain father node
Numbering and reach the hop count of WSID base stations, WSID base stations are then eventually sent in a multi-hop fashion.
If 11 local monitoring terminals receive the data of WSID base stations, the collection is judged according to No. ID obtained in packet
Whether vanning is normal scheduling operation.
Embodiment one
In above-mentioned microprocessor unit microprocessor chip U1 from atmel corp production low-power consumption, high performance 8
CMOS processor ATmega128L, as shown in Figure 2.ATmega128L has based on AVR risc architectures, and data throughput is up to
1MIPS/MHz, the contradiction such that it is able to mitigation systems between power consumption and processing speed.Jtag interface in microprocessor unit
Data wire be connected by 54~57 pins after pull-up resistor R1~R4 with ATmega128L microprocessor chips.LED1、
LED2, LED3 are indicated for the working station indicator and wireless communication unit data transmit-receive of ATmega128L microprocessor chips
Lamp, in the system debug stage according to the ruuning situation of the condition adjudgement program of its indicator lamp, status indicator LED 1-LED3 lamps with
49,50,51 pins of ATmega128L are connected.R9 and C11 constitutes software reset's circuit.Y1, Y2 are crystal oscillator, and Y1 is low
Frequency crystal oscillator, frequency of oscillation is 32.768kHz, can be used when processor runs on low-power consumption mode.Y2 is high-frequency crystal oscillator, is shaken
Frequency is swung for 7.3728MHz, is system clock source.SO, SI, SCK1, SCK2, CS1, CS2 are to simulate SPI with common I/O mouthfuls
EBI, it can make ATmega128L microprocessor chips be communicated with exchanging in a serial fashion with various ancillary equipment
Information.Low-power consumption, ultra-high frequency wireless transceiving chip CC1000 that radio frequency chip is produced from TI companies, as shown in figure 3, using elder generation
The SmartRF technologies entered, work in 315MHz, 433MHz, 868MHz or 915MHz ISM/SRD frequency ranges, can be by spi bus
Interface flexible is programmed.ATmega128L microprocessor chips are connected by the 11st, 12,29,31,32,61 pins with CC1000,
CC1000 can be programmed by simple three serial data interfaces (PDATA, PCLK and PALE).
Embodiment two
Above-mentioned acceleration transducer unit selects AD companies 3-axis acceleration sensor ADXL345, as shown in Figure 4.
ADXL345 is a small and thin axis accelerometer of super low-power consumption 3, and resolution ratio reaches 13, and measurement range reaches ± 16g.Numeral
Output data is 16 complement of two's two's complement forms, can be by SPI (3 lines or 4 lines) or I2C digital interfaces are accessed.It can incline
Static weight acceleration tiltedly is measured in detection application, dynamic acceleration caused by motion or impact can also be measured.Its high-resolution
Rate (3.9mg/LSB), can be not measured 1.0 ° of angle change.The device provides various special detection functions.Activity
Occur to detect the presence of to move by the threshold value that the acceleration on relatively more any axle is set with user with inactive detection function.Strike
Hitting detection function can detect singly shaking and double vibration works for any direction.Whether just freely falling body detection function can detect device
Dropping.These functions can be independently mapped in two interrupt output pins.Using 32 grades of first in first out
(FIFO) buffer, can be used for data storage, so as to host-processor load be minimized, and reduce total system power consumption.
Low-power consumption mode supports based drive intelligent electric power management, so as to carry out threshold value sensing and acceleration of motion with extremely low power consumption
Measurement.Because microprocessor SPI interface is taken by wireless communication unit, therefore acceleration transducer unit uses I2C interface with it is micro-
Processor carries out data transmission.In order to improve I2Transmission rate and ensure its data transmission quality that C data is transmitted, by upper
Pull-up resistor is by I2C data line SDA and clock line SCL are pulled to VCC.
Embodiment three
Whether microprocessor unit, wireless communication unit or acceleration transducer unit, are carried out using 3.3V
Power supply.Due to container body cannot provide stabilization power supply, while in order that WSID label apparatus node can be permanent
Work, PMU is powered using 4.2V lithium battery groups, and solar panels and lithium cell charging control subelement are carried out
Charge control.In Figure 5, U3 uses newly-built lithium cell charging managing chip LTC4052-4.2, and it is widely used in lithium battery group
(Li-lon) and lithium polymer battery group (Li-Pol) charging need.Solar panels BT1 passes through Schottky-barrier diode D3
It is connected with microprocessor I/O mouthfuls and advanced lithium cell charging managing chip LTC4052-4.2, the micro- place of lithium battery group input termination
ADC mouthfuls of device of reason, when microprocessor detects the supply voltage of lithium battery group in 3.0V or so, by I/O mouthfuls of control
LTC4052-4.2 is charged.LTC4052-4.2 uses the encapsulation of the pin of biserial MOSP pasters 8, with C/10 detections, charges
Condition prompting, charging stop timing device, AC adapter detection and overcurrent protection function.Voltage conversion circuit use chip be
TPS73633, TPS73633 have new NMOS topologys, it is possible to provide low reverse current leakage, while having low noise:30VRMS's
Typical (10Hz to 100kHz), 0.5% overall precision of initial precision 1%, there is provided maximum current limitation protection, there is provided stablize defeated
Go out voltage 3.3V.
When lithium battery group voltage is less than or equal to 3.0V, because input and microprocessor ADC pin are connected, lithium electricity is detected
It is now lithium battery by solar panels BT1 by controlling I/O mouthfuls to control D3 to turn on when pond group brownout needs to charge
Group is charged, and 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
Mouthful D3 is controlled to 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, sensing node and power supply node are realized into assembling in installation mold design and making, is used
High density waterproof, damp-proof device ensure that circuit board corrodes from humidity, and ensure enough physical distances, and to wireless receiving and dispatching
Radio transmitting and receiving chip in module is encapsulated using metal-back, has so both reduced interference of the power panel to radio receiving transmitting module,
The antijamming capability of radio receiving transmitting module is enhanced, so as to improve the performance of wireless receiving and dispatching.
In a word, have can networking, on a large scale extension and reliable teletransmission under unified standard agreement, system distribution for the present invention
Property, self-organization, dynamic reconfigurable, multihop routing, environmental suitability and system install, safeguard and the aspect such as cost it is excellent
Gesture, and further merged GPS, GPRS, GIS, VR technology and come to container constructing harbour container Internet of Things managing and control system
Be identified, position, tracking, safety precaution (anti-switch, caution against stealing and anti-terrorist activity), Optimized Operation and realize sea, iron,
Land, river (including the Changjiang river) through transport, and the two-dimensional position of container is not only can determine that in identification, positioning, to the collection on stockyard
Vanning carries out subregion and point row, and layering identification when can also be stacked to the container on stockyard;Can substantially reduce
Haulage time, improves conevying efficiency, saves cost of transportation, improves the handling capacity in harbour.
Specifically, the wireless sensor network node device on container can in real time to the movement of container
And it is antitheft be monitored, it is and low cost, miniaturization, low in energy consumption;Secondly, the system has self-organizing, flexibility strong, reliable
Property it is good the advantages of, can with it is round-the-clock it is unattended ground effectively solve container scheduling and it is antitheft the problems such as.Again, it is capable of achieving
Scene and remote system data are obtained, controlling alarm and equipment are controlled, and real-time monitoring is carried out to container and is located accordingly
Reason, can substantially improve the scientific and technological content of port logistics, improve the efficiency of port logistics operating.Yard management person can be by mobile phone
Or Web page understands the container stacking in its stockyard administered and the situation of scheduling in real time, is truly realized port logistics skill
The informationization of art, networking, to solve container subregion, the horizontal two-dimension positioning of point row and coordinating monitor terminal software to use
GIS and VR technologies realize that the third dimension orientation problem of layering has laid most important basis.
As above, although having been represented with reference to specific preferred embodiment and having described the present invention, it shall not be construed as right
The limitation of itself of the invention.Do not depart from appended claims definition the spirit and scope of the present invention under the premise of, can to its
Various changes can be made in form and in details.
Claims (1)
1. the operation method of a kind of WSID label apparatus for container management and control, it is characterised in that
The WSID label apparatus include connected sensing mainboard and power management plate, and the sensing mainboard includes microprocessor list
Unit, wireless communication unit and acceleration transducer unit;The power management plate includes the lithium cell charging control being sequentially connected
Unit, voltage isolated location and voltage class converter unit;
The microprocessor unit uses AVR series microprocessor chips;The wireless communication unit is by Data Transmission Controlling
Unit and wireless receiving and dispatching interface subelement are constituted, using wireless receiving and dispatching communication chip CC1000 or CC1020 as process chip,
The microprocessor unit is connected using spi bus with the data-interface of wireless communication unit;
The acceleration transducer unit is high accuracy 3-axis acceleration sensor, by I2C buses and the microprocessor unit
It is connected, and vibration signal amount input microprocessor unit is converted, parsed, verified, store and transmitted;
The lithium cell charging control unit is managed by lithium cell charging managing chip, transistor or MOSFET, charged state is indicated
Lamp and peripheral circuit are constituted;
The lithium cell charging managing chip is connected by Schottky barrier rectifier with solar panel, by solar cell
The DC voltage that plate is exported is charged by the adjustable charging circuit of self adaptation to lithium battery group, and lithium battery group temperature is connected
Continuous monitoring, necessary protection and regulation are carried out to charging circuit;
Lithium battery group output end is connected with voltage isolated location, and voltage isolated location is isolated level pressure output module and constituted by width pressure,
And be connected with cmos analog switch chip, passed for wireless communication unit, acceleration from the voltage of cmos analog switch chip output
Sensor cell works, and cmos analog switch chip is connected with common I/O mouthfuls of microprocessor unit, and controls cmos analog switch
The turn-on and turn-off of chip;
Voltage class converter unit is connected with the output end of voltage isolated location, and presses chip or voltage-stabiliser tube and phase by ascending, descending
Answer peripheral circuit carries out grade transformation by voltage isolated location output end voltage, for the operation of sensing mainboard and other equipment is provided
Required power supply voltage level;
The acceleration transducer is provided with sensing element, is turned three direction of principal axis acceleration signals of measured point by piezo-electric effect
Corresponding electric signal is changed to, and improves signal to noise ratio by signal conditioning circuit, and carry out analog-to-digital conversion and obtain data signal, most
AVR microprocessors are sent into afterwards, and AVR microprocessors carry out data processing, store and be sent to wireless communication unit again;
Operation method comprises the following steps:
The initialization of electricity on 4.1 sensing mainboards, system initialization, including microprocessor unit and wireless communication unit, Yi Jijia
The initialization of speed sensor units;
4.2WSID label apparatus broadcast the message, if the airborne GPS/WSID information processings transmission node of movement listens to the broadcast and disappears
Breath, then send confirmation message and receive the airborne GPS/WSID information processings transmission of movement to WSID label apparatus, WSID label apparatus
Replying confirmation message after node confirmation message again gives movement airborne GPS/WSID information processings transmission node, sets up WSID labels dress
Put the connection with the airborne GPS/WSID information processings transmission node of movement;
After setting up connection, the airborne GPS/WSID information processings transmission node of movement sends information inquiring request and is filled to WSID labels
Put, after WSID label apparatus receive Query Information, container ID and the container other essential informations are packed, lead to
Cross wireless transmit/receive units and be sent to the airborne GPS/WSID information processings transmission node of movement;
After the airborne GPS/WSID information processings transmission node of movement receives container essential information, by GPRS module by the packaging
The essential information of case is sent to harbour remote monitoring terminal by 2G/3G networks;
4.3WSID label apparatus broadcast the message, if the airborne GPS/WSID information processings transmission node of movement does not listen to the broadcast
Message, then WSID label apparatus carry out MANET;Numbered to each WSID label apparatus first, then its hop value is set, by WSID
Base station is set to 0 as root node, hop values, the hop primary systems one of all of WSID label apparatus is set into 255, now WSID labels
Device floods status information, and other WSID label apparatus receive status information and are just stored in the routing table of oneself, by the neighbour of oneself
WSID label apparatus are occupied as father node;
WSID base stations as father node, the hop count to WSID base stations are 1, Ran Houguang by the neighbours WSID label apparatus of WSID base stations
Routing iinformation is broadcast, after its neighbours' WSID label apparatus receives information, oneself is updated to the routing iinformation and father node of WSID base stations
Numbering;
Status information is received every time, WSID label apparatus just update a routing table, until all of WSID label apparatus all set
Oneself is put to the hop count of root node, a tree-like topological structure has been established, each WSID label apparatus has set up one completely
Routing table, the inside includes numbering, the numbering of father node of oneself, and to the hop count of WSID base stations;
During selection, the minimum neighbours' WSID label apparatus of WSID label apparatus prioritizing selection hop counts as father node,
If hop count is identical, compare the quality of communication link, selection communication link quality neighbours' WSID label apparatus high are used as father
Node;
After the completion of 4.4 networkings, by WSID base station broadcast time synchronized request messages, hop values for 1 WSID label apparatus receive when
Between after synchronization request information, continue to broadcast time synchronized solicited message;Hop values be 2 and routing table in father node be that hop values are
1 WSID label apparatus are still broadcasted after receiving;
Using aforesaid way, time synchronized request message is sent to end WSID label dresses always from the root node of tree topology
Put;
4.5 after routing table foundation, and in addition to normal transmission data, WSID base stations carry out routing iinformation at regular intervals
Broadcast;After each WSID label apparatus receives broadcast message, the routing table to oneself is updated, and father node is safeguarded, weight
New assessment and the hop count and communication quality of neighbours' WSID label apparatus;
If the hop count of current father node is more than 1, it is deleted from routing table, chosen from neighbours' WSID label apparatus
The preferable WSID label apparatus of communication quality are used as father node;
After 4.6WSID label apparatus deadline synchronizations, into pattern is intercepted, if there is new WSID label apparatus to enter stockyard,
New networking is then carried out, step 4.3 is gone to;
If value of 4.7 vibration signals for collecting on x, y, z axle is respectively smaller than presetting threshold value, at the same fusion value again smaller than
Presetting fusion value M, then keep intercepting pattern;
If value of 4.8 vibration signals for collecting on x, y, z axle is respectively greater than presetting threshold value, at the same fusion value also greater than
Presetting fusion value M, then WSID label apparatus inquire about its routing table, obtain the numbering of father node and reach WSID base stations
Hop count, is then eventually sent to WSID base stations in a multi-hop fashion;
If 4.9 local monitoring terminals receive the data of WSID base stations, the packaging is judged according to No. ID obtained in packet
Whether case is normal scheduling operation;
If 4.9.1 the container of No. ID is in presetting operation plan table, assert the container just in normal consistency;
Local monitoring terminals send Query Information to the WSID label apparatus on the container by WSID base stations;
After WSID label apparatus receive Query Information, transmit request information to move airborne GPS/WSID information collection nodes, will
The positional information that the airborne GPS/WSID information collection nodes of movement are collected is transmitted gives WSID label apparatus;
After WSID label apparatus receive the positional information that the airborne GPS/WSID information collection nodes of movement send, the container is merged
This 3 groups of data are sent to local monitor by No. ID of WSID label apparatus, positional information and status information by WSID base stations
Terminal;
Local monitoring terminals software determines the accurate positional information of container according to the data for receiving by virtual reality technology;
If 4.9.2 the container of No. ID is not in operation plan table, assert that container is stolen, monitor terminal starts corresponding
Alarm signal remind staff go to scene to 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 more than 4.2V, closed by the I/O control solar charging electric units of microprocessor
Close, now other unit modules are powered by voltage class converter unit by lithium battery group;
If 4.10.2 the voltage of lithium battery group is less than 3.0V, the I/O control solar charging electric units of microprocessor are opened, to lithium
Battery pack is charged, while being powered to other units.
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CN104732366A (en) * | 2015-03-04 | 2015-06-24 | 上海鸿研物流技术有限公司 | Connection method for recyclable logistics appliances |
CN109240232A (en) * | 2018-09-20 | 2019-01-18 | 江苏云巅电子科技有限公司 | Machinery equipment positioning and state monitoring method and system based on sensor perception |
CN111353557B (en) * | 2018-12-24 | 2023-07-28 | 诚融(上海)动产信息服务有限公司 | LORA-based electronic tag, and mortgage transaction detection system and method |
CN109993258A (en) * | 2019-02-28 | 2019-07-09 | 南京航空航天大学 | A kind of universal intelligent electronic tag for Internet of Things |
CN109878925A (en) * | 2019-03-18 | 2019-06-14 | 深圳中集智能科技有限公司 | Flexible electronic label paper and container |
CN111413711A (en) * | 2020-03-18 | 2020-07-14 | 杭州微萤科技有限公司 | Positioning system and automatic father satellite setting method thereof |
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