CN103295041B - Adopt the electronic operation certificate automatic recognition system of ZIGBEE technology - Google Patents
Adopt the electronic operation certificate automatic recognition system of ZIGBEE technology Download PDFInfo
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Abstract
The present invention relates to a kind of electronic operation certificate automatic recognition system adopting ZIGBEE technology, for public transit vehicle supervision and management, based on electronics mark post location, testing vehicle register identification and data sharing, at least comprise card for operating just demonstrate,proving and license delivery system, card for operating information downloader, vehicle carried electronic label, electronic label read/write, card for operating is just being demonstrate,proved with in license delivery system, and card for operating is just being demonstrate,proved and adopted contactless CPU card; Card for operating information downloader comprises Non-contact Media Reader and ZIGBEE wireless communication module; Vehicle carried electronic label and vehicle intelligent terminal are arranged on vehicle jointly, carry out exchanges data; Vehicle carried electronic label comprises ZIGBEE wireless communication module, storer and external data interface; Electronic label read/write is made up of point of fixity electronic label read/write and mobile portable electronic label read/write.The present invention improves existing traditional way to manage, is conducive to traffic department's urban transportation intelligent.
Description
Technical Field
The invention relates to an electronic operation certificate automatic identification system adopting ZIGBEE technology, which is used for supervision and management of public transport vehicles.
Background
With the popularization of informatization of public affairs in China, a specific implementation scheme needs to be formulated for the scheme, wherein the technical scheme is provided by the urban traffic administration of Shanghai City in 2007 in 4 months. This embodiment is primarily concerned with six parts: implementation goals, content, schedules, trial arrangements, implementation implications, and solution budgets.
At present, the management of public transport vehicles still mainly locates the vehicles by using a vehicle-mounted terminal, and the informatization and systematization of vehicle management in the real sense are not realized.
Disclosure of Invention
The invention aims to provide an automatic electronic operation certificate identification system adopting ZIGBEE technology, which is used for meeting the electronic identification of a bus and an electric vehicle provided by relevant departments of the urban traffic administration in Shanghai city and solving two basic requirements of electronic vehicle identification and electronic identification of the bus and the electric vehicle and the requirement of sharing related information data.
The purpose of the invention is realized by the following technical scheme: adopt electronic operation card automatic identification system of ZIGBEE technique, based on electron sighting rod location, vehicle identification and data sharing, at least including operation card positive certificate and certificate issue system, operation card information downloader, on-vehicle electronic tags, five component parts of electronic tags read write line, wherein:
in the operation certificate and certificate issuing system, the operation certificate adopts a non-contact CPU card, is uniformly issued and annual checked by an industry management department, and establishes a certificate issuing system which consists of an IC card reader-writer, a computer and corresponding card making system background application software so as to realize the making, the inspection and the rewriting of the operation certificate, and an operation certificate information downloader is used for downloading the information of the operation certificate to a vehicle-mounted electronic tag;
the operation certificate information downloader comprises a non-contact card reader and a ZIGBEE wireless communication module, the two parts are used separately or integrally, the information of the operation certificate is read by the non-contact card reader, and the information is downloaded to the vehicle-mounted electronic tag in a ZIGBEE wireless data transmission mode;
the vehicle-mounted electronic tag and the vehicle-mounted intelligent terminal are jointly installed on a vehicle, data exchange is carried out between the vehicle-mounted electronic tag and the vehicle-mounted intelligent terminal, the vehicle-mounted electronic tag comprises a ZIGBEE wireless communication module, a memory and an external data interface, the external data interface transmits relevant information read by the vehicle-mounted electronic tag to other vehicle-mounted equipment to realize data sharing, meanwhile, the information of other vehicle-mounted equipment can also be received, the ZIGBEE wireless communication module is used for receiving and transmitting the information and downloading the information of an operation certificate to the memory, the unique identification code of the auxiliary certificate of the operation certificate is stored in the memory of the vehicle-mounted electronic tag, and when the identification code is read by an electronic tag reader-writer, the vehicle identity identification is realized;
the electronic tag reader-writer consists of a fixed point electronic tag reader-writer and a movable portable electronic tag reader-writer, the fixed point electronic tag reader-writer is arranged in a vehicle parking lot, a junction station and a terminal station, comprises a fixed reader-writer which is arranged at a fixed point and used as an electronic mark post for positioning, a ZIGBEE wireless communication module and an external data interface, is connected with a computer management background, after the data exchange between the vehicle-mounted electronic tag and the electronic tag reader-writer is completed and a preset effect is achieved, a star network which takes the fixed point electronic tag reader-writer as a mark post and the vehicle-mounted electronic tag as a node is established, the bidirectional communication function between the vehicle-mounted electronic tag and the electronic tag reader-writer is realized, the identity information of the vehicle is processed, and the data is transmitted to the computer management background through the external data interface for processing after the information of the vehicle-mounted electronic tag is read, completing data acquisition; meanwhile, the computer management background performs data summarization, classification, statistics and analysis on the acquired vehicle information; the portable electronic tag reader comprises a ZIGBEE wireless communication module, a display screen, an operation key and an external data interface, and the trial of the operation certificate issuing system and the manufacture of the operation certificate are completed by reading the information of the vehicle-mounted electronic tag.
On the basis of the scheme, the vehicle-mounted electronic tag takes a JN5121-000 wireless microprocessor chip integrating a transceiver and a microprocessor as a main controller, the chip is an IEEE802.15.4/ZigBee wireless microprocessor, the chip solidifies an IEEE802.15.4 protocol stack in a ROM of the chip to establish a ZIGBEE wireless communication network, information of a memory is connected with an external data interface through a reserved interface, a vehicle-mounted power module and the vehicle-mounted electronic tag are partially separated, a non-contact card reader is used for reading out the true evidence information of the operation evidence, and the related information of the operation evidence is remotely written into the vehicle-mounted electronic tag through a Zigbee wireless mode to be used as an auxiliary evidence of the operation evidence.
On the basis of the scheme, a 485 interface is expanded by using a 232 serial port of the JN5121-000 wireless microprocessor chip for data output.
On the basis of the scheme, a + 24V vehicle-mounted power supply and/or a rechargeable battery is adopted as a power supply, the power supply conversion module is separated from the electronic tag, the + 24V voltage is converted into 3.3V voltage to be supplied to the electronic tag for use, and the rechargeable battery and the electronic tag are integrated together.
On the basis of the scheme, a non-contact card reader and a ZIGBEE wireless communication module in the operation certificate information downloader are used separately, an enterprise establishes a certificate management system of a company, operation certificate positive certificate data of the company is read into a database of a computer through the non-contact card reader, and the ZIGBEE wireless communication module is installed at a vehicle entrance or a vehicle exit or a parking lot of the company and is connected with the computer; when the vehicle passes through the ZIGBEE wireless communication area, if the operation certificate and the collateral certificate information of the vehicle are not updated, the vehicle is immediately downloaded and updated, and the downloaded vehicle is recorded in the database.
On the basis of the scheme, the non-contact card reader and the ZIGBEE wireless communication module in the operation certificate information downloader are integrated into a downloader for use, the operation certificate is close to the downloader, and the vehicles needing to be downloaded realize point-to-point downloading through ZIGBEE wireless downloading information in a ZIGBEE wireless communication range.
On the basis of the scheme, the electronic pole positioning is used as a supplement of vehicle-mounted terminal GPS satellite positioning, a ZIGBEE wireless communication module is used as a basic component to form a fixed point electronic tag reader-writer, the fixed point electronic tag reader-writer is provided with an RS-232 interface which is communicated with a computer, the pole position of a fixed point is established, a vehicle carrying vehicle identity identification information enters the area, a network relationship is established, the position is confirmed, and when the electronic tag reads the position information, the position information is transmitted to vehicle-mounted equipment for positioning through an external interface reserved by the electronic tag.
On the basis of the scheme, the data sharing is realized by unifying the working frequency point, the network access mode and the information format of the ZIGBEE wireless communication module, the data exchange communication protocol and the encryption mode and conforming to the electronic tag reader-writer.
On the basis of the scheme, the ZIGBEE wireless communication module is used for establishing wireless communication, and when the vehicle approaches or leaves a fixed point, the driving direction of the vehicle is judged or the vehicle is positioned and judged.
The invention provides a method for using an electronic operation certificate automatic identification system adopting ZIGBEE technology, which comprises the following steps in sequence:
1) making an operation certificate true certificate and modifying operation certificate true certificate information by a certificate issuing system;
2) downloading the information of the operation certificate through an operation certificate information downloader to a memory of the vehicle-mounted electronic tag for storage in a ZIGBEE wireless communication mode;
3) when a vehicle passes through the electronic tag reader-writer, the vehicle-mounted electronic tag is added into a network established by the electronic tag reader-writer to become a node of the network;
4) the vehicle-mounted electronic tag sends own information to the electronic tag reader-writer;
5) the electronic tag reader-writer receives the information to identify the identity of the vehicle, and simultaneously sends the position information of the electronic tag reader-writer to the vehicle-mounted electronic tag;
6) after receiving the position information of the electronic tag reader-writer, the vehicle-mounted electronic tag sends the position information to the intelligent terminal through a data interface to serve as auxiliary positioning information;
7) the vehicle-mounted electronic tag exits the network and sleeps for a period of time to prevent the vehicle-mounted electronic tag from rejoining the network;
8) after sleeping for a period of time, starting to activate the requirement to join the next network;
9) and when the vehicle passes through another electronic tag reader-writer, repeating the processes from 3) to 8).
The invention has positive significance for electronization of operation license and informatization management of public transport vehicles, is an improvement on the traditional management mode and is beneficial to the intellectualization of urban traffic of traffic departments. The license reading device is installed on the main urban road, so that the vehicle quantity of different roads at different time can be accurately counted, and scientific basis is provided for smooth urban traffic. The invention has foresight in the electronization of the operation license and the informationized management of the public transport vehicles, and the design of the scheme also has expansibility.
Drawings
FIG. 1 is a block diagram of an electronic operation certificate automatic identification system using ZIGBEE technology;
FIG. 2 is a schematic diagram of the system operation of the present invention;
FIG. 3 is a structural block diagram of the vehicle-mounted electronic tag;
FIG. 4 is a diagram of a reader/writer.
Detailed Description
As shown in fig. 1 of the accompanying drawings, a block diagram of an electronic operation certificate automatic identification system adopting the ZIGBEE technology and fig. 2 of the accompanying drawings are schematic diagrams of a working flow of the system of the present invention, the electronic operation certificate automatic identification system adopting the ZIGBEE technology at least includes five components of an operation certificate positive certificate and certificate issuing system, an operation certificate information downloader, a vehicle-mounted electronic tag, and an electronic tag reader-writer, based on electronic benchmarking, vehicle identification, and data sharing, wherein:
in the operation certificate and certificate issuing system, the operation certificate adopts a non-contact CPU card, is uniformly issued and annual checked by an industry management department, and establishes a certificate issuing system which consists of an IC card reader-writer, a computer and corresponding card making system background application software so as to realize the making, the inspection and the rewriting of the operation certificate, and an operation certificate information downloader is used for downloading the information of the operation certificate to a vehicle-mounted electronic tag;
the operation certificate information downloader comprises a non-contact card reader and a ZIGBEE wireless communication module, the two parts are used separately or integrally, the information of the operation certificate is read by the non-contact card reader, and the information is downloaded to the vehicle-mounted electronic tag in a ZIGBEE wireless data transmission mode;
the vehicle-mounted electronic tag and the vehicle-mounted intelligent terminal are jointly installed on a vehicle, data exchange can be carried out between the vehicle-mounted electronic tag and the vehicle-mounted intelligent terminal, the vehicle-mounted electronic tag is shown as a structural block diagram of the vehicle-mounted electronic tag in the attached drawing 3 and comprises a ZIGBEE wireless communication module, a memory and an external data interface, the external data interface transmits relevant information read by the vehicle-mounted electronic tag to other vehicle-mounted equipment to realize data sharing, meanwhile, information of other vehicle-mounted equipment can also be received, the ZIGBEE wireless communication module is used for receiving and transmitting information and downloading information of an operation certificate to the memory, the unique identification code of the operation certificate side certificate is stored in the memory of the vehicle-mounted electronic tag, and when an electronic tag reader-writer reads the identification code, vehicle identity identification is realized. In the embodiment, the vehicle-mounted electronic tag takes a JN5121 wireless microprocessor chip integrating a transceiver and a microprocessor as a main controller, the chip is an IEEE802.15.4/ZigBee wireless microprocessor, the chip solidifies an IEEE802.15.4 protocol stack in a ROM of the chip to establish a ZIGBEE wireless communication network, information of a memory is connected with an external data interface through a reserved interface, a vehicle-mounted power supply module is separated from the vehicle-mounted electronic tag, a non-contact card reader is used for reading out the forensics information of the operation certificate, and the relevant information of the operation certificate is remotely written into the vehicle-mounted electronic tag through a Zigbee wireless mode to serve as the subsidiary certificate of the operation certificate;
the electronic tag reader-writer is composed of a fixed point electronic tag reader-writer and a movable portable electronic tag reader-writer, as shown in the figure 4, the fixed point electronic tag reader-writer is arranged in a vehicle parking lot, a junction station and a terminal station, comprises a fixed reader-writer which is arranged at a fixed point and used for positioning an electronic mark post, a ZIGBEE wireless communication module and an external data interface, is connected with a computer management background, after the data exchange between the vehicle-mounted electronic tag and the electronic tag reader-writer is completed and a preset effect is achieved, a star network which takes the fixed point electronic tag reader-writer as a mark post and the vehicle-mounted electronic tag as a node is established, the bidirectional communication function between the vehicle-mounted electronic tag and the electronic tag reader-writer is realized, the identity information of the vehicle is processed, and the data is transmitted to the computer management background through the external data interface for processing after the vehicle-mounted electronic tag information is read, completing the collection and display of data; meanwhile, the computer management background can be used for summarizing, classifying, counting and analyzing the acquired vehicle information and displaying the information on an electronic display screen of the station; the portable electronic tag reader comprises a ZIGBEE wireless communication module, a display screen, an operation key and an external data interface, and the trial of the operation certificate issuing system and the manufacture of the operation certificate are completed by reading the information of the vehicle-mounted electronic tag.
The invention has the following functions:
1) electronization of the operation license;
2) vehicle management and inspection are intelligent;
3) intelligent identification of the public transport vehicle without stopping;
4) the bus information data is shared;
5) auxiliary accurate positioning for bus operation
6) Intelligent identification and management of places such as parking lots, hub stations, maintenance stations, gas stations and the like;
the feasibility of each technical difficulty is verified:
1) verification of zigbee technology
Zigbee is a wireless networking communication technology. At present, the Zigbee technology has wide application prospects in industrial control, household intellectualization and wireless sensor networks, but the Zigbee technology is not used in a large area in the field of public transport systems or vehicle management, so that whether the characteristics of the Zigbee technology can meet the requirements or not needs to be verified.
2) Technical scheme feasibility verification
The Zigbee technology, the IC card technology and the like are adopted, the application of the Zigbee technology in the public transport industry still belongs to a blank stage at present, the formed scheme relates to a plurality of functional requirements, and the feasibility of the technology, the feasibility of the scheme, the practicability of the application and the like are verified in the implementation process of the scheme. The test is carried out on a specific bus line, and the actual situation of the scheme application can be sufficiently reflected. Problems which cannot be found in design or laboratory tests and appear in pilot tests can be solved and improved, further popularization and application are facilitated, and five basic components of the system are verified:
1) a system for issuing a true certificate and a certificate of operation;
2) an operation certificate information downloader;
3) vehicle-mounted electronic tags (operation certificate and subsidiary certificate);
4) the electronic tag reader-writer and the computer management background;
5) portable electronic tags read write line.
As shown in fig. 1, the system comprises:
1) the system for issuing the true certificate and the certificate of the operation certificate comprises:
the operation certificate is uniformly issued and annual examined by an industry management department, and a certificate issuing system is established in the issuing department and consists of an IC card reader-writer, a computer and corresponding card making system background application software so as to realize the making, the inspection and the rewriting of the operation certificate;
the operation certificate adopts a non-contact CPU card, is convenient to use, has excellent anti-counterfeiting and anti-cloning characteristics, and is safe and reliable;
when the industry management department needs to carry out annual inspection modification on the operation certificate, the information can be downloaded to the operation certificate, and then the related management personnel use the operation certificate information downloader to download the information of the operation certificate to the electronic tag (operation certificate secondary certificate) of the vehicle for data refreshing.
2) Operation certificate information downloader:
the main components of the operation certificate information downloader are a non-contact card reader and a Zigbee wireless communication module, and the two components can be used separately or integrally.
The operation certificate information downloader reads out the information of the operation certificate through the non-contact card reader and downloads the information to the vehicle-mounted electronic tag (auxiliary operation certificate) in a Zigbee wireless data transmission mode.
If the non-contact card reader and the Zigbee wireless communication module are used separately, enterprises can establish a certificate management system of a company, the operating certificate and the certificate data of the company are read into a database of a computer through the non-contact card reader, and the Zigbee wireless module is installed at a vehicle entrance or a parking lot of the company and is connected with the computer; when the vehicle passes through the Zigbee wireless communication area, if the operation certificate and the side certificate information of the vehicle are not updated, the vehicle is immediately downloaded and updated, and the downloaded vehicle is recorded in the database.
If the non-contact card reader and the Zigbee wireless communication module are integrated into a downloader for use, point-to-point downloading can be carried out, the operation certificate is close to the card reader, and information is downloaded wirelessly through Zigbee in a Zigbee wireless communication range for a vehicle needing downloading.
3) Vehicle electronic label (operation card assistant card)
The main components of the vehicle-mounted electronic tag are composed of basic components such as a Zigbee wireless communication module and an external data interface, and the external data interface reads related information of the vehicle-mounted electronic tag and transmits the related information to other vehicle-mounted equipment, so that data sharing is realized, and meanwhile, information of other vehicle-mounted equipment can be received. The vehicle-mounted electronic tag can also perform information intercommunication with a station electronic tag arranged at a station.
The Zigbee wireless communication module is mainly used for receiving and transmitting information and downloading information of operation certificates.
4) Electronic label reader-writer arranged at fixed point and computer management background
The fixed point electronic tag reader-writer mainly comprises a Zigbee wireless module, an external data interface and related equipment. The fixed point electronic tag reader-writer needs to process the identity information of the vehicle, so that the vehicle-mounted electronic tag information is read and then the data is transmitted to the PC through the external data interface for processing, and the data acquisition is completed; meanwhile, the computer management background can perform data summarization, classification, statistics and corresponding analysis on the acquired vehicle information.
5) Portable electronic label reader-writer
The portable electronic tag reader-writer is mainly used for checking vehicle conditions such as vehicle operation certificates and the like by inspectors so as to determine the identity of a vehicle and identify the authenticity of the identity.
The portable electronic tag reader-writer is composed of a Zigbee wireless module, a display screen, a simple operation keyboard, a data memory, an external data interface and the like. The portable electronic tag reader-writer is designed to be small, portable and convenient to carry.
The invention is based on the basic principle of electronic marker post positioning, vehicle identification and data sharing, and consists of a basic function and an extended function, wherein the basic function comprises electronic marker post positioning, vehicle identification and data sharing; wherein,
1) electronic post positioning
The Zigbee wireless module is used as a basic component to form a fixed point electronic tag reader-writer, the position of a marker post of a fixed point is determined, a vehicle enters the area, a network relation is established, the position is confirmed, when the electronic tag reads the position information, the position information is transmitted to the vehicle-mounted equipment through a reserved interface of the electronic tag for positioning, and the Zigbee wireless module can be used as a reliable supplement for GPS satellite positioning.
2) Vehicle identification
The vehicle-mounted electronic tag is the subsidiary certificate of the operation certificate. The unique identification code of the operation card and the auxiliary card is stored in the memory of the vehicle-mounted electronic tag, and when the electronic tag reader-writer reads the identification code, the vehicle identity identification can be realized.
3) Data sharing
The working frequency point, the network access mode, the information format, the data exchange communication protocol and the encryption mode of the Zigbee wireless module are unified, and the information of the operation certificate can be read by the electronic tag reader-writer which meets the standard, so that the data sharing is realized.
The expanded functions are: station electronic post positioning, vehicle heading determination, and parking area determination, wherein,
(1) electronic station pole positioning
After data exchange between the vehicle-mounted electronic tag and the fixed point electronic tag reader-writer and the portable electronic tag reader-writer is completed and expected effects are achieved, site electronic marker post positioning is established at certain necessary sites to supplement vehicle positioning;
(2) vehicle heading determination
By utilizing the existing function of the Zigbee module, when a vehicle approaches or leaves a certain fixed point, the running direction of the vehicle can be judged;
(3) parking area determination
And in a larger parking lot or a multi-layer parking lot, the parking position of the vehicle after entering the parking lot is confirmed through wireless communication established by the Zigbee module.
The work flow of the system is shown in fig. 2, and mainly comprises:
1) making an operation certificate true certificate and modifying operation certificate true certificate information by a certificate issuing system;
2) through an operation certificate information downloader (authorized by an operation certificate issuing mechanism), the information of the operation certificate is downloaded to a memory of a vehicle-mounted electronic tag (an operation certificate secondary certificate) for storage in a Zigbee wireless communication mode;
3) when a vehicle passes through the electronic tag reader-writer, the vehicle-mounted electronic tag is added into a network established by the electronic tag reader-writer to become a node of the network;
4) the vehicle-mounted electronic tag actively sends the information of the vehicle-mounted electronic tag to the electronic tag reader-writer;
5) the electronic tag reader-writer receives the information to identify the identity of the vehicle, and simultaneously sends the position information of the electronic tag reader-writer to the vehicle-mounted electronic tag;
6) after receiving the position information of the reader-writer, the vehicle-mounted electronic tag sends the position information to a vehicle-mounted intelligent terminal through a data interface to serve as auxiliary positioning information;
7) the vehicle-mounted electronic tag exits the network and sleeps for a period of time to prevent the vehicle-mounted electronic tag from rejoining the network;
8) after sleeping for a period of time, starting to activate the requirement to join the next network;
9) and when the vehicle passes through the other reader-writer, repeating the process of 3-8.
Application example
The invention is described in detail in the following 4 sections: the system comprises an operation certificate issuing system, an operation certificate information downloader, a vehicle-mounted electronic tag and an electronic tag reader-writer. And the electronic tag reader-writer part will be described with emphasis.
The utility model provides an operation certificate issuing system relates to operation certificate positive certificate information content and operation certificate positive certificate card type:
1) operation certificate and true certificate information content
Operation certificate of Ling-Gu
Name of car owner
Vehicle numbering
Shop brand
Model of solid
Diamond-type
Color of car
Number of guests
Audit date
Line code
The operation certificate and certificate information content can be established according to the requirements of management departments.
2) Operation certificate and certificate card type
Considering the use safety, reliability and convenience, the operation certificate adopts a non-contact CPU card, and the capacity of the card is determined according to the memory data volume of the operation certificate.
Second, operation certificate information downloader:
use non-contact card read-write equipment to read out the information of the positive certificate of operation card, then download to on-vehicle electronic tags through the wireless mode of Zigbee, operation card information downloader comprises two parts: a non-contact card reader-writer and a Zigbee wireless module.
Thirdly, vehicle-mounted electronic tag:
the vehicle-mounted electronic tag is an important part of the whole system composition, and is mainly explained from five aspects:
1) requirements of the vehicle-mounted electronic tag:
a) information exchange can be carried out in a Zigbee mode;
b) the downloaded relevant information of the operation certificate can be stored;
c) the service certificate information is sent through a zigbee wireless module and used for vehicle identity recognition;
d) positioning information of a fixed point electronic tag reader-writer can be read to assist vehicle positioning;
e) the position data can be transmitted to the vehicle-mounted equipment for auxiliary positioning through a reserved interface;
f) mounting on a distinct location on the vehicle;
g) the vehicle-mounted power supply and the battery are used for supplying power;
h) miniaturization;
i) can prevent random disassembly and assembly and has a theft function.
2) The vehicle-mounted electronic tag comprises the following components:
the structure of the electronic tag is shown in the structural block diagram of the vehicle-mounted electronic tag in fig. 3: the ZigBee chip JN5121 is adopted, integrates a transceiver and a microcontroller, and is suitable for wireless sensor network application.
3) The vehicle-mounted electronic tag has the technical advantages that:
the vehicle-mounted electronic tag has the advantages that the wireless flexibility is utilized, the convenience and the miniaturization of the electronic tag are realized, and the purpose of the electronic tag is favorably expanded. Wherein:
the convenience is realized by that:
a) and the downloading of the operation certificate and certificate information is convenient. The operation certificate positive certificate information is read by using the non-contact card reader, and the operation certificate related information can be remotely written into a vehicle-mounted electronic tag (an operation certificate secondary certificate) through a Zigbee wireless mode.
b) And the vehicle information is convenient to identify. No matter the vehicle operation certificate information is read by a supervision department or an enterprise, the vehicle operation certificate information can be read in a wireless mode of Zigbee without the need of getting on the vehicle for inspection.
c) The auxiliary positioning is convenient. The Zigbee can read the position information of the fixed point and assist the GPS to accurately position the vehicle.
The miniaturization is embodied in that:
a) the vehicle-mounted electronic tag comprises a Zigbee module and a data interface, and the size can be reduced.
b) The vehicle-mounted power supply module is separated from the electronic tag part, so that the size of the electronic tag is reduced.
The application beneficial to expanding the electronic tag is embodied in that:
a) the information is stored in the electronic tag, and a lot of information can be stored as long as the memory has space;
b) different information can be downloaded in a classified manner according with the Zigbee specified wireless downloading mode.
4) Data sent by vehicle-mounted electronic tag
The vehicle-mounted electronic tag sends the following data to a fixed point electronic tag reader-writer:
cars numbered 8 bytes ASCII
Line code 8 bytes ASCII or national standard code
Operation certificate of Ling-Gu
Commercial validation date of 3 bytes of BCDYYMMDD
5) Implementation scheme of vehicle-mounted electronic tag
a) Selection of master controller
The master controller uses a JN5121 chip from Jennic corporation, which is an IEEE 802.15.4/ZigBeeWirelessMicrocontrollers. Besides the advantage of abundant resources, the chip also solidifies the protocol stack of IEEE802.15.4 in the ROM of the chip.
When designing a Zigbee network, development of Zigbee network applications can be performed only by solidifying the protocol stack of Zigbee in the ROM.
The chip has the advantages that: the Zigbee module is integrated, the volume of the electronic tag is reduced, the cost is reduced, the development is convenient, and the reliability is improved; abundant peripheral resources enable interfaces with other parts to be more convenient; and the 128-bit AES encryption increases the security.
b) Power supply
The power supply adopts two modes of + 24V vehicle-mounted power supply and rechargeable battery power supply, the power supply conversion module is separated from the electronic tag, and the function is to convert + 24V voltage to 3.3V voltage for the electronic tag to use; the battery and the electronic tag are integrated together, and the electronic tag is guaranteed to be available for 24 hours.
c) External interface
A485 interface is expanded by using a 232 serial port of the Zigbee chip for data output.
d) Safety feature
(1) The Zigbee module has a 128-bit AES encryption function; in addition, an encrypted communication protocol is established for software encryption, and an encrypted communication password is immediately generated for communication at the beginning of establishing a network between the electronic tag and the reading equipment, so that the password is not easy to decipher, and the safety is guaranteed;
(2) before the electronic tag is installed, the license plate information of the vehicle is written into the electronic tag, the license plate information is written into the operation certificate, and corresponding downloading is carried out, so that the phenomenon that one certificate is multi-purpose is avoided;
(3) under the condition that the electronic tag is determined to be removed, the battery is used for supplying power, useful information of the electronic tag is eliminated, and the electronic tag is guaranteed not to be stolen by other vehicles.
Fourthly, the electronic tag reader-writer:
the electronic device is an electronic device which communicates with electronic tag information at a certain place in a Zigbee wireless mode, and the description of the part is divided into 4 parts:
1) electronic tag reader-writer structure
2) Data sent by electronic label reader-writer
3) Background software
4) Electronic tag reader/writer classification
The electronic tag reader can be classified into a fixed type and a portable type according to the use mode.
The fixed electronic tag reader-writer is installed in a vehicle parking lot, a junction station and a terminal station and is used for acquiring vehicle information in a coverage area of the electronic tag reader-writer and providing position information of the fixed electronic tag reader-writer for vehicle-mounted equipment through a tag. The fixed readers can establish a network to collect and transmit the vehicle access information, the vehicle type information and the distribution condition of the parking lot or the hub station to a computer, so that the staff of the station can timely and accurately master the condition to facilitate scheduling management.
The portable electronic tag reader-writer can remotely obtain vehicle information and operation certificate information and display the vehicle information and the operation certificate information on a display screen of the reader-writer, so that related personnel can conveniently supervise the vehicle information and the operation certificate information.
2) The electronic tag reader-writer comprises the following components:
the fixed electronic tag reader-writer structure comprises a Zigbee communication module and an RS-232 interface communicated with a computer;
the mobile electronic tag reader-writer structure comprises a Zigbee module, an LCD display screen and a control key.
The working relation among the vehicle-mounted electronic tag, the fixed electronic tag reader-writer and the mobile electronic tag reader-writer is realized; the schematic diagram of the fixed electronic tag reader-writer and the mobile electronic tag reader-writer is shown in fig. 4.
3) Transmitted data
The fixed point electronic tag reader-writer should send the following data to the vehicle-mounted electronic tag:
site number 6 byte BCD
Characteristic 1 byte HEX of site
Station position longitude 5 bytes BCD
Station position latitude 4 byte BCD
Note: the station characteristics (1 byte) can be used to indicate which station, such as a hub station, a parking lot, etc., belongs to.
4) Computer management background software
The developed computer background management software of the fixed-point electronic tag reader-writer can achieve the effect that the fixed-point computer management background can perform relevant processing on the vehicle information read by the electronic tag reader-writer, and realize the summary processing of the following data:
a) establishing an in-out vehicle database;
b) summarizing and counting the number of vehicles entering and leaving the field on the same day;
c) carrying out data summary statistics on the vehicles entering and leaving according to companies and lines;
d) data collection statistics is carried out on the vehicles entering and leaving according to time intervals;
e) and making a corresponding data report.
A star network which takes the electronic tag reader-writer as the center and the vehicle-mounted electronic tag as the node is established to realize the bidirectional communication function between the vehicle-mounted electronic tag and the electronic tag reader-writer,
by modifying the program of the vehicle-mounted intelligent terminal, the vehicle-mounted intelligent terminal can exchange data with the vehicle-mounted electronic tag, and the function of a benchmark of the fixed point electronic tag reader-writer is exerted.
The portable electronic tag reader-writer can read the information of the vehicle-mounted electronic tag, complete the test of the operation certificate issuing system and make the operation certificate.
The electronic tag reader-writer for fixed points such as a parking lot and a terminal station can identify the moving direction of the vehicle and position the parking position of the vehicle.
The management of the vehicle is facilitated. The license reading device is installed on the main road, so that uninterrupted intelligent inspection can be performed on illegal vehicles. The concrete points are as follows:
1) the application of the certificate electronization is promoted, the intelligent management level of a management department is enhanced, and the working efficiency is improved;
2) a more advanced public transport vehicle identity recognition device is adopted, so that the vehicle entering and leaving management is facilitated;
3) the intelligent management of the enterprises on the buses in parking lots, hub stations, maintenance grounds and gas stations is facilitated;
4) the development of a vehicle position positioning system is facilitated;
5) is beneficial to the comprehensive management of vehicles. The electronization of the license can realize the integration of multiple licenses and comprehensive management, and the electronized license is changed into the integrated body of the electronic comprehensive identity card and the record of the vehicle, so that the use efficiency can be greatly improved.
Claims (10)
1. Adopt electronic operation card automatic identification system of ZIGBEE technique, based on electron sighting rod location, vehicle identification and data sharing, its characterized in that is at least including the positive card of operation card and the certificate issue system, operation card information downloader, on-vehicle electronic tags, five component parts of electronic tags read write line, wherein:
in the operation certificate and certificate issuing system, the operation certificate adopts a non-contact CPU card, is uniformly issued and annual checked by an industry management department, and establishes a certificate issuing system which consists of an IC card reader-writer, a computer and corresponding card making system background application software so as to realize the making, the inspection and the rewriting of the operation certificate, and an operation certificate information downloader is used for downloading the information of the operation certificate to a vehicle-mounted electronic tag;
the operation certificate information downloader comprises a non-contact card reader and a ZIGBEE wireless communication module, the two parts are used separately or integrally, the information of the operation certificate is read by the non-contact card reader, and the information is downloaded to the vehicle-mounted electronic tag in a ZIGBEE wireless data transmission mode;
the vehicle-mounted electronic tag and the vehicle-mounted intelligent terminal are jointly installed on a vehicle, data exchange is carried out between the vehicle-mounted electronic tag and the vehicle-mounted intelligent terminal, the vehicle-mounted electronic tag comprises a ZIGBEE wireless communication module, a memory and an external data interface, the external data interface transmits relevant information read by the vehicle-mounted electronic tag to other vehicle-mounted equipment to realize data sharing, meanwhile, the information of other vehicle-mounted equipment can also be received, the ZIGBEE wireless communication module is used for receiving and transmitting the information and downloading the information of an operation certificate to the memory, the unique identification code of the auxiliary certificate of the operation certificate is stored in the memory of the vehicle-mounted electronic tag, and when the identification code is read by an electronic tag reader-writer, the vehicle identity identification is realized;
the electronic tag reader-writer consists of a fixed point electronic tag reader-writer and a movable portable electronic tag reader-writer, the fixed point electronic tag reader-writer is arranged in a vehicle parking lot, a junction station and a terminal station, comprises a fixed reader-writer which is arranged at a fixed point and used as an electronic mark post for positioning, a ZIGBEE wireless communication module and an external data interface, is connected with a computer management background, after the data exchange between the vehicle-mounted electronic tag and the electronic tag reader-writer is completed and a preset effect is achieved, a star network which takes the fixed point electronic tag reader-writer as a mark post and the vehicle-mounted electronic tag as a node is established, the bidirectional communication function between the vehicle-mounted electronic tag and the electronic tag reader-writer is realized, the identity information of the vehicle is processed, and the data is transmitted to the computer management background through the external data interface for processing after the information of the vehicle-mounted electronic tag is read, completing data acquisition; meanwhile, the computer management background performs data summarization, classification, statistics and analysis on the acquired vehicle information; the portable electronic tag reader comprises a ZIGBEE wireless communication module, a display screen, an operation key and an external data interface, and the test of an operation certificate issuing system and the manufacture of an operation certificate are completed by reading the information of the vehicle-mounted electronic tag.
2. The system of claim 1, wherein the ZIGBEE technology is used for automatically identifying the electronic operation certificate: the vehicle-mounted electronic tag takes a JN5121-000 wireless microprocessor chip integrating a transceiver and a microprocessor as a main controller, the chip is an IEEE802.15.4/ZigBee wireless microprocessor, the chip solidifies an IEEE802.15.4 protocol stack in a ROM of the chip to establish a ZIGBEE wireless communication network, information of a memory is connected with an external data interface through a reserved interface, a vehicle-mounted power supply module and the vehicle-mounted electronic tag are partially separated, a non-contact card reader is used for reading out the operating certificate information, and the operating certificate related information is remotely written into the vehicle-mounted electronic tag through a Zigbee wireless mode to serve as an operating certificate auxiliary certificate.
3. The system of claim 2, wherein the ZIGBEE technology is used for automatically recognizing an electronic operation certificate: and a 485 interface is expanded by using the 232 serial port of the chip for data output.
4. The system of claim 2, wherein the ZIGBEE technology is used for automatically recognizing an electronic operation certificate: the vehicle-mounted power supply of + 24V and/or the rechargeable battery are adopted for supplying power, the vehicle-mounted power supply conversion module is separated from the vehicle-mounted electronic tag, the + 24V voltage is converted into 3.3V voltage for the vehicle-mounted electronic tag to use, and the rechargeable battery and the vehicle-mounted electronic tag are integrated together.
5. The automatic identification system of electronic operation certificate using ZIGBEE technology according to claim 1 or 2, wherein: the non-contact card reader and the ZIGBEE wireless communication module in the operation certificate information downloader are used separately, an enterprise establishes a certificate management system of a company, the operation certificate positive certificate data of the company is read into a database of a computer through the non-contact card reader, and the ZIGBEE wireless communication module is installed at a vehicle entrance or a parking lot of the company and is connected with the computer; when the vehicle passes through the ZIGBEE wireless communication area, if the operation certificate and the collateral certificate information of the vehicle are not updated, the vehicle is immediately downloaded and updated, and the downloaded vehicle is recorded in the database.
6. The automatic identification system of electronic operation certificate using ZIGBEE technology according to claim 1 or 2, wherein: the non-contact card reader and the ZIGBEE wireless communication module in the operation certificate information downloader are integrated into a downloader for use, the operation certificate is close to the downloader, and point-to-point downloading is realized through ZIGBEE wireless downloading information for vehicles needing downloading in a ZIGBEE wireless communication range.
7. The system of claim 1, wherein the ZIGBEE technology is used for automatically identifying the electronic operation certificate: the electronic benchmarking is used for supplementing vehicle-mounted terminal GPS satellite positioning, a ZIGBEE wireless communication module is used as a basic component to form a fixed point electronic tag reader-writer, the fixed point electronic tag reader-writer is provided with an RS-232 interface communicated with a computer, the benchmarking position of a fixed point is established, a vehicle carrying vehicle identity identification information enters an electronic tag reader-writer signal identification area, a network relation is established, the position is confirmed, and when the vehicle-mounted electronic tag reads the position information, the position information is transmitted to vehicle-mounted equipment for positioning through an external interface reserved by the vehicle-mounted electronic tag.
8. The system of claim 1, wherein the ZIGBEE technology is used for automatically identifying the electronic operation certificate: the data sharing is realized by unifying the working frequency point, the network access mode and the information format of the ZIGBEE wireless communication module, the data exchange communication protocol and the encryption mode and conforming to the electronic tag reader-writer.
9. The automatic identification system of electronic operation certificate using ZIGBEE technology according to claim 1 or 8, wherein: and the ZIGBEE wireless communication module is used for establishing wireless communication, and when the vehicle approaches or leaves a fixed point, the driving direction of the vehicle is judged or the vehicle is positioned and judged.
10. Use of the system according to any of claims 1 to 8, wherein the system comprises: the method comprises the following steps:
1) making an operation certificate true certificate and modifying operation certificate true certificate information by a certificate issuing system;
2) downloading the information of the operation certificate through an operation certificate information downloader to a memory of the vehicle-mounted electronic tag for storage in a ZIGBEE wireless communication mode;
3) when a vehicle passes through the electronic tag reader-writer, the vehicle-mounted electronic tag is added into a network established by the electronic tag reader-writer to become a node of the network;
4) the vehicle-mounted electronic tag sends own information to the electronic tag reader-writer;
5) the electronic tag reader-writer receives the information to identify the identity of the vehicle, and simultaneously sends the position information of the electronic tag reader-writer to the vehicle-mounted electronic tag;
6) after receiving the position information of the electronic tag reader-writer, the vehicle-mounted electronic tag sends the position information to the intelligent terminal through a data interface to serve as auxiliary positioning information;
7) the vehicle-mounted electronic tag exits the network and sleeps for a period of time to prevent the vehicle-mounted electronic tag from rejoining the network;
8) after sleeping for a period of time, starting to activate the requirement to join the next network;
9) and when the vehicle passes through another electronic tag reader-writer, repeating the processes from 3) to 8).
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| CN104751397A (en) * | 2015-03-26 | 2015-07-01 | 浪潮软件集团有限公司 | ZigBee-based taxi automatic operation information reporting system |
| KR101675364B1 (en) * | 2015-05-21 | 2016-11-22 | 주식회사 엠투브 | Pairing method with obd terminal for vehicle using beacon and the obd terminal for vehicle |
| CN110807378B (en) * | 2019-10-21 | 2022-09-06 | 数字广东网络建设有限公司 | License information processing method and device, computer equipment and storage medium |
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| CN100566273C (en) * | 2007-09-17 | 2009-12-02 | 陈洪 | Car monitoring system based on electronic identity identification |
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| CN101989362A (en) * | 2009-08-06 | 2011-03-23 | 邓斌涛 | Traffic charge and management system and method |
| CN102566575A (en) * | 2012-02-21 | 2012-07-11 | 成都理工大学 | Unmanned vehicle running controlling method based on Zigbee and radio frequency identification (RFID) |
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