CN106601006A - Urban intelligent transportation guidance device based on RFID and WeChat platform - Google Patents

Urban intelligent transportation guidance device based on RFID and WeChat platform Download PDF

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Publication number
CN106601006A
CN106601006A CN201710117854.1A CN201710117854A CN106601006A CN 106601006 A CN106601006 A CN 106601006A CN 201710117854 A CN201710117854 A CN 201710117854A CN 106601006 A CN106601006 A CN 106601006A
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China
Prior art keywords
section
rfid
vehicle
congestion
information
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Granted
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CN201710117854.1A
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CN106601006B (en
Inventor
石云鹏
蔡冬
于希萌
王晓珮
于子洋
张洪瑜
邱悦
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Qingdao University
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Qingdao Haicheng Intellectual Property Services Co Ltd
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Priority to CN201710117854.1A priority Critical patent/CN106601006B/en
Publication of CN106601006A publication Critical patent/CN106601006A/en
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Publication of CN106601006B publication Critical patent/CN106601006B/en
Expired - Fee Related legal-status Critical Current
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
    • G08G1/09675—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096855—Systems involving transmission of navigation instructions to the vehicle where the output is provided in a suitable form to the driver
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096877—Systems involving transmission of navigation instructions to the vehicle where the input to the navigation device is provided by a suitable I/O arrangement
    • G08G1/096883—Systems involving transmission of navigation instructions to the vehicle where the input to the navigation device is provided by a suitable I/O arrangement where input information is obtained using a mobile device, e.g. a mobile phone, a PDA

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention belongs to the technical field of real-time road condition navigation, and relates to an urban intelligent transportation guidance device based on RFID and a WeChat platform. The main structure of the device comprises a RFID reading device 1, a RFID chip 2, an intelligent transportation guidance WeChat official platform 3, a database terminal 4 and a server 5, the RFID reading device can read information in the RFID chip of a vehicle and sends the information to the database terminal for calculation and processing, evaluates the congestion condition of a road section during the road section passing time T(N) of each vehicle, and evaluates the change tendency of the congestion condition through the road vehicle congestion number S(N) and the vehicle congestion number growth rate F(N), and the server calls corresponding information from the database and sends the information to an official account of a user mobile terminal according to a query request received by the intelligent transportation guidance WeChat official platform. According to the device, the structure is simple, the principle is reliable, the installation cost is low, the road transportation congestion condition can be effectively monitored, effective guidance can be realized, the application environment is friendly, and the market prospect is wide.

Description

It is a kind of based on RFID and the municipal intelligent traffic apparatus for deivation of wechat platform
Technical field：
The invention belongs to real-time road field of navigation technology, is related to a kind of by wireless automatic identification technology collection road conditions letter Cease and carry out the device of traffic guidance, it is particularly a kind of based on RFID and the municipal intelligent traffic apparatus for deivation of wechat platform, lead to Cross mobile phone terminal and receive Traffic Information, to understand the road conditions of travel route in real time, and carry out optimal route induction.
Background technology：
As economic continuous development and the development of social development process are constantly advanced, the process of urbanization is constantly pushed away Enter, while giving people life and bring convenience, there is also many drawbacks, such as no matter in the almost all of city in big-and-middle small city Traffic congestion is all more or less there is, this gives people trip and increased inconvenience, along with accidental vehicle accident and road What maintenance more have impact on people goes out line efficiency, increases people's time cost on the way, and private car recoverable amount remains high The reason for being the one side for causing traffic congestion, so various places government actively promotes public transport development, to promote more people to take advantage of Sit public transport to administer traffic congestion, but household economy strength is reached after certain level, private car recoverable amount nature Can improve constantly, thus the private car quantity on road is difficult larger reduction, therefore, induced by intelligent transportation, make row The vehicle sailed on the way grasps accurate traffic information, and reasonable selection traffic path is effective handss of solving road congestion problems Section, therefore, design a kind of based on RFID and the municipal intelligent traffic apparatus for deivation of wechat platform, counted by REID Each road section traffic volume jam situation, and data message is delivered to into data center, data base is stored in after being uniformly processed, according to driving The request that person's mobile phone terminal sends, is sent to corresponding traffic information.
The content of the invention：
It is an object of the invention to the shortcoming for overcoming prior art to exist, seeks design one kind based on RFID and wechat platform Municipal intelligent traffic apparatus for deivation, can be widely applied for driving the intelligent route planning gone on a journey, simple to operate, intelligent journey Degree is high, can effectively alleviate traffic congestion.
To achieve these goals, it is according to the present invention based on RFID and the municipal intelligent traffic apparatus for deivation of wechat platform Agent structure include：RFID reads equipment, RFID chip, intelligent transportation induction wechat public platform, database terminal, service Device, the first major trunk roads, the second major trunk roads, section, non-major trunk roads；With road axis as boundary, centrage both sides are divided in each section Be not the section A and section B travelled in opposite directions to vehicle, the vehicle entrance point of section A and section B and vehicles while passing mouth end it is upper Side reads equipment equipped with RFID, to read approach vehicle in RFID chip in information, information includes vehicle model and reading Win the confidence time of breath, the determination mode in section is as follows, between the first major trunk roads in city and the first major trunk roads and non-major trunk roads Between communicate in length and breadth, the first major trunk roads turn in other the second major trunk roads crossing be main doorway, the first of the first major trunk roads Individual main doorway to the part between next main doorway is section, each section with centrage as boundary, centrage two Side is respectively the section A and section B travelled in opposite directions to vehicle；RFID reads the agent structure of equipment includes induction apparatuss, the sun Energy plate, commercial power interface, modular converter and accumulator, solar panels are fixed and are placed in top and rear portion that RFID reads equipment, to Convert solar energy into electrical energy and provide the energy for RFID reading equipment, the top place in right side of RFID reading equipment is equipped with civil power and connects Mouthful, RFID read equipment by commercial power interface access electricity network in, when solar panels can not provide the enough energy for RFID reads equipment and provides the energy, and RFID reads the right side middle of equipment and is equipped with modular converter, solar panels will be received The energy for integrating is stored in accumulator to read the equipment offer energy as RFID by modular converter, and accumulator is located at RFID readings and sets Standby inside lower part, it is induction apparatuss that RFID reads equipment front side, to the letter in the RFID chip in reading approach vehicle Breath；Vehicle supervision department's unified payment RFID chip is simultaneously installed in motor vehicles the ground for being easy to RFID reading equipment to read Side, all RFID read equipment and communicate to connect with database terminal, to the information transfer that will obtain to database terminal, number Include data reception module, calculate processing module and memory module according to storehouse terminal, data reception module is to receive all RFID The information that the transmission of reading equipment comes, calculate processing module carries out calculating process and to congestion in road situation to the information to receiving Make an appraisal, memory module is to store the information after processing module calculating is processed that calculates, and the instruction sent according to server To the corresponding information of server transport, the server is communicated to connect with database terminal, and with the mobile phone of driver on install Intelligent transportation induction wechat public platform communication connection, the intelligent transportation induces wechat public platform by vehicle supervision department Create, it mainly includes issuing primary focus jam road road to the enquiry module of inquiry roads congestion and to unified The public pushing module of condition information, driver induces wechat public platform come using the intelligent transportation by paying close attention to the intelligent transportation Induction wechat public platform, server please to process the enquiring route received from intelligent transportation induction wechat public platform Sue for peace and issue related road conditions news information；The intelligent transportation induction wechat public platform has to inquiry roads congestion Enquiry module and public pushing module module, server induces wechat public platform receiving driver by intelligent transportation After the inquiry request sent to server, server is transferred accordingly according to corresponding request from the memory module of database terminal Information is sent to the mobile phone of driver.
The working method of the public pushing module is：Database terminal will read the data processing of equipment reception from RFID Afterwards, the road of heavy congestion is calculated, and these traffic informations is sent to server, sent to each user's by server Mobile phone terminal, is easy to all users to know, the working method of the enquiry module is：The user of mobile phone mobile terminal passes through intelligent transportation Induction wechat public platform to server sends enquiring route request, and server is received after request, depositing from database terminal Called data in storage module, the information of respective stretch is sent to the mobile phone mobile terminal of inquiry user, and mobile phone terminal driver exist After checking the information in section, unobstructed sections of road is selected in advance according to jam situation.
Be stored with the running time T under normal circumstances in each section in the memory module of the database terminal(S), tool Body calculation is, to leave end used entering into from entrance point to test each section by existing road traffic monitoring system Time, the speed for testing vehicle is the 80% of the max. speed that institute's test segment specifies, and the test is in the unimpeded situation in the section Under carry out.
Database terminal evaluation path jam situation in the following way：
(1), database terminal carries out data processing：
Database terminal reads the next invalid data of device transmission to RFID and excludes, and is with the vehicle into section A Example, after vehicle is entered from the upstream end of section A, if turning around from the B of section to go out in section, the port of export of section A is not The information of the vehicle can be collected, database terminal screens out the information；After Some vehicles are entered from the upstream end of section A, from non- Major trunk roads leave section A, then the port of export of section A can not collect the information of the vehicle, and database terminal screens out the information； Vehicle from section A upstream end enter after for some reason barrier or other reasonses cause, not by normal speed from the port of export of section A from Open, cause the running time that database terminal is calculated to be much larger than other vehicles of same time period, to this kind of data screening mode such as Under, the vehicle is extracted into the moment of section A upstream ends, on the basis of the moment, extract 5 minutes and latter 5 minutes before the moment Into the running time of all vehicles of section A upstream ends, average as T1, the running time T with the vehicle2It is compared, If T2>2T1, then the data are screened out, data are screened out after finishing, remaining for available data sample, the storage in database terminal It is standby；
(2), database terminal is calculated jam situation：
By monitoring each vehicle in section transit time T(N)To evaluate the jam situation in section, T(N)<1.5T(S)Then gather around Stifled state evaluation be slight congestion, 2.0T(S)>T(N)>=1.5T(S)Then congestion status are evaluated as moderate congestion, T(N)>=2.0T(S) Then congestion status are evaluated as severe congestion；By calculating vehicle congestion quantity S on section(N)With vehicle congestion quantity rate of increase F(N1)To evaluate the jam situation variation tendency in section, vehicle congestion quantity rate of increase is to measure every five minutes on same section Vehicle fleet size increase and decrease situation, when it is determined that section congestion after, work as F(N1)>0 and when vertically becoming larger, represent the road Section congestion is increasingly severe, F(N1)=0 represents that the congestion in the section remains stable, F(N1)<0 and when tapering into, expression is gathered around It is stifled more and more lighter；RFID reads equipment by the data transfer for reading to database terminal, and database terminal utilizes what is collected Result of calculation is stored in the memory module of database terminal carrying out above-mentioned calculating and evaluation by data, when server sends When transferring instruction, the data of database terminal are adjusted in server for using.
When in use, the RFID on each section reads the RFID chip letter that equipment reads motor vehicles on the section to the present invention Breath, and is transferred to database terminal, and the calculating processing module of data terminal is processed above- mentioned information and evaluated, and by result In being stored in memory module；Automobile drivers first induce wechat public platform in mobile phone terminal intelligent transportation, are sent out by the platform The request for inquiring about a certain road information, server is sent to transfer the road to the memory module of database terminal after receiving the request The traffic congestion and jam situation variation tendency in upper all sections, driver selects suitable route according to the information for receiving Travel to destination.
Compared with prior art, its simple structure, principle reliability, installation cost is low, can effectively monitor road for the present invention Traffic congestion situation, and can effectively be induced, applied environment is friendly, wide market.
Description of the drawings：
Fig. 1 is the agent structure principle schematic of the present invention.
Fig. 2 is the agent structure principle schematic that RFID according to the present invention reads equipment.
Fig. 3 is the signal transmission schematic process flow diagram between each part according to the present invention.
Fig. 4 is the workflow schematic block diagram of intelligent transportation apparatus for deivation according to the present invention.
Specific embodiment：
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment.
Embodiment 1：
What the present embodiment was related to is included based on the agent structure of RFID and the municipal intelligent traffic apparatus for deivation of wechat platform RFID reads equipment 1, RFID chip 2, intelligent transportation induction wechat public platform 3, database terminal 4, server 5, first and leads Arterial highway 6, the second major trunk roads 7, section 8, non-major trunk roads 9；With road axis as boundary, centrage both sides are respectively in each section 8 The vehicle entrance point of the section 8A travelled in opposite directions to vehicle and section 8B, section 8A and section 8B and vehicles while passing mouth end it is upper Side equipped with RFID read equipment 1, to read approach vehicle in RFID chip 2 in information, information include vehicle model and The time of reading information, the determination mode in section 8 is as follows, between the first major trunk roads 6 in city and the first major trunk roads 6 and non-master Communicate in length and breadth between arterial highway 9, the first major trunk roads 6 turn in other the second major trunk roads 7 crossing be main doorway, the first major trunk roads 6 first main doorway to the part between next main doorway is section 8, each section 8 with centrage as boundary, Centrage both sides are respectively the section 8A and section 8B travelled in opposite directions to vehicle；RFID reads the agent structure of equipment 1 to be included Induction apparatuss 10, solar panels 11, commercial power interface 12, modular converter 13 and accumulator 14, solar panels 11 are fixed and are placed in RFID readings The top and rear portion of taking equipment 1, the offer energy of equipment 1 is read to convert solar energy into electrical energy for RFID, and RFID reads The top place in right side of equipment 1 is equipped with commercial power interface 12, and RFID is read equipment 1 and accessed in electricity network by commercial power interface 12, The energy is provided for reading equipment 1 to RFID when solar panels can not provide the enough energy, RFID is read in the middle of the right side of equipment 1 Place is equipped with modular converter 13, to by solar panels 11 by the energy of collection by modular converter 13 be stored in accumulator 14 come for RFID reads equipment 1 and provides the energy, and accumulator 14 is located at RFID and reads the inside lower part of equipment 1, and RFID reads the front side of equipment 1 and is Induction apparatuss 10, to the information in the RFID chip 2 in reading approach vehicle；Vehicle supervision department's unified payment RFID cores Piece 2 and being installed in motor vehicles is easy to RFID to read where equipment 1 reads, and all RFID read equipment 1 and data base Terminal 4 is communicated to connect, to will obtain information transfer to database terminal 4, database terminal include data reception module, Processing module and memory module are calculated, data reception module reads the information that equipment transmission comes, calculates to receive all RFID Processing module carries out calculating process and congestion in road situation is made an appraisal to the information to receiving, and memory module is to store Calculate the information after processing module calculating is processed, and the instruction sent according to server 5 is to the corresponding information of server transport, institute State server 5 to communicate to connect with database terminal 4, and put down with the intelligent transportation induction wechat public of installation on the mobile phone of driver Platform 3 is communicated to connect, and the intelligent transportation induction wechat public platform 3 is created by vehicle supervision department, and it mainly includes looking into Ask the enquiry module of road congestion conditions and to the unified public pushing module for issuing primary focus jam road traffic information, Driver induces wechat public platform 3 come using intelligent transportation induction wechat public platform, service by paying close attention to the intelligent transportation Device 5 to process from intelligent transportation induce the enquiring route received in wechat public platform 3 request to and issue related road conditions News information；Intelligent transportation induction wechat public platform 3 has to the enquiry module of inquiry roads congestion and public Pushing module module, server 5 receive driver by intelligent transportation induce wechat public platform 3 send to server 5 Inquiry request after, server 5 according to corresponding request from the memory module of database terminal 4 transfer corresponding information send to On the mobile phone of driver.
The working method of the public pushing module is：Database terminal 4 will be read at the data that equipment 1 is received from RFID After reason, the road of heavy congestion is calculated, and these traffic informations are sent to server 5, sent to each use by server 5 The mobile phone terminal at family, is easy to all users to know, the working method of the enquiry module is：The user of mobile phone mobile terminal is by intelligence Traffic guidance wechat public platform 3 to server 5 sends enquiring route request, and server 5 is received after request, from data base's end Called data in the memory module at end 4, the information of respective stretch 8 is sent to the mobile phone mobile terminal of inquiry user, mobile phone terminal Driver selects in advance unobstructed section 8 to travel after the information for checking section 8 according to jam situation.
Be stored with the running time T under normal circumstances in each section 8 in the memory module of the database terminal 4(S), Concrete calculation is, tests each section 8 by existing road traffic monitoring system and leaves end entering into from entrance point Time used, the speed for testing vehicle is the 80% of the max. speed of the regulation of institute's test segment 8, and the test is smooth in the section 8 Carry out in the case of logical.
The evaluation path jam situation in the following way of the database terminal 4：
(1), database terminal carries out data processing：
Database terminal reads the next invalid data of the transmission of equipment 1 to RFID and excludes, with into the vehicle of section 8A As a example by, after vehicle is entered from the upstream end of section 8A, if turning around from the 8B of section to go out in section 8, the outlet of section 8A End can not collect the information of the vehicle, and database terminal screens out the information；Some vehicles are entered from the upstream end of section 8A Afterwards, section 8A is left from non-major trunk roads, then the port of export of section 8A can not collect the information of the vehicle, database terminal sieve Fall the information；Vehicle from section 8A upstream end enter after for some reason barrier or other reasonses cause, not by normal speed from section 8A The port of export leave, cause database terminal calculate running time much larger than the same time period other vehicles, to this kind of data Screening mode is as follows, extracts the vehicle into the moment of section 8A upstream ends, on the basis of the moment, extracts 5 points before the moment Clock and the latter 5 minutes running times into all vehicles of section 8A upstream ends, average as T1, during traveling with the vehicle Between T2It is compared, if T2>2T1, then the data are screened out, data are screened out after finishing, remaining for available data sample, are being counted According to storing standby in storehouse terminal 4；
(2), database terminal is calculated jam situation：
By monitoring each vehicle in the transit time T of section 8(N)To evaluate the jam situation in section 8, T(N)<1.5T(S)Then Congestion status are evaluated as slight congestion, 2.0T(S)>T(N)>=1.5T(S)Then congestion status are evaluated as moderate congestion, T(N)>= 2.0T(S)Then congestion status are evaluated as severe congestion；By calculating vehicle congestion quantity S on section 8(N)Increase with vehicle congestion quantity Long rate F(N1)To evaluate the jam situation variation tendency in section 8, vehicle congestion quantity rate of increase is every five points on same section 8 Vehicle fleet size that clock is measured increase and decrease situation, when it is determined that section 8 congestion after, work as F(N1)>0 and when vertically becoming larger, Represent that the congestion of section 8 is increasingly severe, F(N1)=0 represents that the congestion in the section 8 remains stable, F(N1)<0 and gradually become Hour, represent that congestion is more and more lighter；RFID reads equipment 1 by the data transfer for reading to database terminal 4, database terminal 4 carry out above-mentioned calculating and evaluation using the data collected, and result of calculation is stored in into the storage mould of database terminal 4 Block, when server 5 sends transfers instruction, the data of database terminal 4 is adjusted in server 5 for using.
When in use, the RFID on each section 8 reads the RFID cores that equipment 1 reads motor vehicles on the section 8 to the present embodiment The information of piece 2, and database terminal 4 is transferred to, the calculating processing module of data terminal 4 is processed above- mentioned information and evaluated, And result is stored in memory module；Automobile drivers first induce wechat public platform 3 in mobile phone terminal intelligent transportation, pass through The platform sends the request of a certain road information of inquiry, and server 5 is after receiving the request to the memory module of database terminal 4 The traffic congestion in all sections 8 and jam situation variation tendency on the road are transferred, driver is according to the information choosing for receiving Suitable route running is selected to destination.

Claims (2)

1. it is a kind of based on RFID and the municipal intelligent traffic apparatus for deivation of wechat platform, it is characterised in that its agent structure includes： RFID read equipment, RFID chip, intelligent transportation induction wechat public platform, database terminal, server, the first major trunk roads, Second major trunk roads, section, non-major trunk roads；With road axis as boundary, centrage both sides are respectively to vehicle phase in each section Read equipped with RFID to the section A and the vehicle entrance point of section B, section A and section B and the top at vehicles while passing mouth end for travelling Equipment, to read approach vehicle in RFID chip in information, information include vehicle model and read information time, road The determination mode of section is as follows, communicates in length and breadth between the first major trunk roads in city and between the first major trunk roads and non-major trunk roads, the It is main doorway that one major trunk roads turn in the crossing of other the second major trunk roads, and first main doorway of the first major trunk roads is arrived down Part between one main doorway is section, and with centrage as boundary, centrage both sides are respectively to vehicle in each section The section A and section B of opposite traveling；RFID read equipment agent structure include induction apparatuss, solar panels, commercial power interface, turn Mold changing block and accumulator, solar panels are fixed and are placed in top and rear portion that RFID reads equipment, to convert solar energy into electricity Can come to provide the energy for RFID reading equipment, RFID reads the top place in right side of equipment and is equipped with commercial power interface, and RFID reads equipment Accessed in electricity network by commercial power interface, provided for reading equipment to RFID when solar panels can not provide the enough energy The energy, RFID reads the right side middle of equipment and is equipped with modular converter, solar panels are passed through into conversion by the energy collected Module stores are come to provide the energy for RFID reading equipment in accumulator, and accumulator is located at RFID and reads device interior lower part, It is induction apparatuss that RFID reads equipment front side, to the information in the RFID chip in reading approach vehicle；Traffic administration institute Door unified payment RFID chip and being installed in motor vehicles is easy to RFID to read where equipment reads, and all RFID read Equipment and database terminal are communicated to connect, and to the information transfer that will obtain to database terminal, database terminal includes number According to receiver module, processing module and memory module are calculated, data reception module reads equipment and transmit to receive all RFID Information, calculate processing module carries out calculating process and making an appraisal congestion in road situation to the information to receiving, and stores Module is to store the information after processing module calculating is processed that calculates, and the instruction sent according to server is to server transport pair The information answered, the server is communicated to connect with database terminal, and is induced with the intelligent transportation of installation on the mobile phone of driver Wechat public platform is communicated to connect, and the intelligent transportation induction wechat public platform is created by vehicle supervision department, and it is mainly wrapped Include to the enquiry module of inquiry roads congestion and to unified and issue the public of primary focus jam road traffic information Pushing module, driver induces wechat public platform come using the intelligent transportation induction wechat public by paying close attention to the intelligent transportation Platform, server induce the enquiring route received in wechat public platform request from intelligent transportation and and issue phase to process Close road conditions news information；Intelligent transportation induction wechat public platform have to inquiry roads congestion enquiry module and Public pushing module module, server receive driver by intelligent transportation induce wechat public platform send to server Inquiry request after, server is transferred corresponding information and is sent to driving according to corresponding request from the memory module of database terminal On the mobile phone of the person of sailing；
The working method of the public pushing module is：After the data processing that database terminal will read equipment reception from RFID, The road of heavy congestion is calculated, and these traffic informations are sent to server, sent by server to the handss of each user Generator terminal, is easy to all users to know, the working method of the enquiry module is：The user of mobile phone mobile terminal is lured by intelligent transportation Lead wechat public platform and send enquiring route request to server, server is received after request, from the storage of database terminal Called data in module, the information of respective stretch is sent to the mobile phone mobile terminal of inquiry user, and mobile phone terminal driver is looking into After seeing the information in section, unobstructed sections of road is selected in advance according to jam situation；
Be stored with the running time T under normal circumstances in each section in the memory module of the database terminal(S), concrete meter Calculation mode is, tests each section by existing road traffic monitoring system and leaves end institute's used time entering into from entrance point Between, the speed for testing vehicle is the 80% of the max. speed that institute's test segment specifies, and the test is in the case of the section is unimpeded Carry out.
2. the municipal intelligent traffic apparatus for deivation based on RFID and wechat platform according to claim 1 is it is characterized in that institute The evaluation method for stating database terminal congestion in road situation is as follows：
(1), database terminal carries out data processing：
Database terminal reads the next invalid data of device transmission to RFID and excludes, by taking the vehicle into section A as an example, car After entering from the upstream end of section A, if turning around from the B of section to go out in section, the port of export of section A can not be collected To the information of the vehicle, database terminal screens out the information；After Some vehicles are entered from the upstream end of section A, from non-major trunk roads Section A is left, then the port of export of section A can not collect the information of the vehicle, database terminal screens out the information；Vehicle from Section A upstream ends hinder for some reason after entering or other reasonses are caused, and do not leave from the port of export of section A by normal speed, cause The running time that database terminal is calculated is as follows to this kind of data screening mode much larger than other vehicles of same time period, extracts The vehicle enters the moment of section A upstream ends, on the basis of the moment, 5 minutes and section is entered in latter 5 minutes before extracting the moment The running time of all vehicles of A upstream ends, averages as T1, the running time T with the vehicle2It is compared, if T2> 2T1, then the data are screened out, data are screened out after finishing, remaining for available data sample, store standby in database terminal With；
(2), database terminal is calculated jam situation：
By monitoring each vehicle in section transit time T(N)To evaluate the jam situation in section, T(N)<1.5T(S)Then congestion shape State is evaluated as slight congestion, 2.0T(S)>T(N)>=1.5T(S)Then congestion status are evaluated as moderate congestion, T(N)>=2.0T(S)Then gather around Stifled state evaluation is severe congestion；By calculating vehicle congestion quantity S on section(N)With vehicle congestion quantity rate of increase F(N1)Come The jam situation variation tendency in section is evaluated, vehicle congestion quantity rate of increase is the vehicle measured every five minutes on same section Quantity increase and decrease situation, when it is determined that section congestion after, work as F(N1)>0 and when vertically becoming larger, represent the section congestion It is increasingly severe, F(N1)=0 represents that the congestion in the section remains stable, F(N1)<0 and when tapering into, represent that congestion is more next It is lighter；RFID reads equipment by the data transfer for reading to database terminal, database terminal using the data collected come Above-mentioned calculating and evaluation are carried out, and result of calculation is stored in into the memory module of database terminal, when server sends finger is transferred When making, the data of database terminal are adjusted in server for using.
CN201710117854.1A 2017-03-01 2017-03-01 A kind of municipal intelligent traffic apparatus for deivation based on RFID and wechat platform Expired - Fee Related CN106601006B (en)

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