CN105825685A - Magnetoresistive sensor network-based vehicle converse running wireless detection and intelligent control system - Google Patents
Magnetoresistive sensor network-based vehicle converse running wireless detection and intelligent control system Download PDFInfo
- Publication number
- CN105825685A CN105825685A CN201610248838.1A CN201610248838A CN105825685A CN 105825685 A CN105825685 A CN 105825685A CN 201610248838 A CN201610248838 A CN 201610248838A CN 105825685 A CN105825685 A CN 105825685A
- Authority
- CN
- China
- Prior art keywords
- module
- magnetoresistive transducer
- wireless
- signal processing
- vehicle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/056—Detecting movement of traffic to be counted or controlled with provision for distinguishing direction of travel
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to a magnetoresistive sensor network-based vehicle converse running wireless detection and intelligent control system and belongs to the vehicle detection system and intelligent traffic control field. The system comprises a magneto-resistive sensor network formed by at least one magnetoresistive sensor, a signal processing and control center and a traffic information transmission system which is installed at a roadside or an adjacent proper spatial position; the magnetoresistive sensors are connected with the signal processing and control center through a wireless network; the signal processing and control center is connected with the traffic information transmission system through a wired or wireless mode; and each magnetoresistive sensor at least comprises a magnetoresistive sensing unit array which is formed by a plurality of sensing units which are arranged at intervals at an X direction and a Y direction. According to the system, earth magnetic field disturbance in the passage of a vehicle is detected, so that the running direction of the vehicle is calculated; whether the vehicle runs conversely can be judged; converse running warning signals are transmitted; and therefore, traffic can be controlled. The system has the advantages of low cost, high accuracy, long work time, convenient construction and little possibility of being affected by the environment.
Description
Technical field
The invention belongs to road vehicle detection and control technical field with intelligent traffic signal, be specifically related to a kind of vehicle based on magnetoresistive transducer network and drive in the wrong direction wireless exploration and intelligence control system.
Background technology
Vehicle drives in the wrong direction and typically occurs in road cross, one-way road, and highway and enter and exit ring road corner.Easily there is vehicle collision in retrograde vehicle, causes traffic jam, and often danger is the highest, causes great personnel and property loss.
The existing method avoiding vehicle to drive in the wrong direction is little.Many at crossing, the ring road of one-way road or expressway entrance and exit is installed the plate that warning is driven in the wrong direction.But this passive warning message has bigger may being ignored by driver, especially at sleety weather or night.In recent years along with sensor and the development of integrated chip technology and the popularization of intelligent transportation concept, the method that active probe vehicle drives in the wrong direction is paid attention to.The most useful traffic camera or Doppler radar detect retrograde, but these method costs are high, and power is big, and detection accuracy rate has much room for improvement, big by weather and environmental effect.
Summary of the invention
It is an object of the invention to the accuracy in the effectiveness for the existing passive scheme avoiding vehicle to drive in the wrong direction and active probing technique and Cost Problems, propose a kind of vehicle based on magnetoresistive transducer network to drive in the wrong direction the solution of wireless exploration and intelligence control system, to realize the retrograde detection of real-time vehicle, and intelligence sends and controls and warning message.
The technical solution used in the present invention is: a kind of vehicle based on magnetoresistive transducer network drives in the wrong direction wireless exploration and intelligence control system, it is characterized in that, this system includes the magnetoresistive transducer networking of a magnetoresistive transducer composition, a signal processing and control centre and a transport information transmission system being installed on trackside or neighbouring suitable locus；Magnetoresistive transducer is connected by Wi-Fi with control centre with signal processing, signal processing is connected by wired or wireless mode with control centre and transport information transmission system, and this magnetoresistive transducer at least includes the magneto-resistive transducing cell array that the multiple sensing units being spaced apart in the x, y direction are formed；Magnetoresistive transducer by vehicle through the detection of out-of-date magnetic field of the earth disturbance and analysis, calculate the travel direction of car and transmit data to signal processing and control centre by Wi-Fi.Signal processing processes the data of magnetoresistive transducer with control centre and judges whether vehicle drives in the wrong direction.Signal processing sends the information of driving in the wrong direction with caution signals to control traffic with control centre by transport information transmission system.
A described magnetoresistive transducer also includes data acquisition module, central information processing control module, data storage and wireless transport module, energy supply control module；Magneto-resistive transducing cell array is connected with amplification module with data acquisition, data acquisition is connected with amplification module and central information processing control module, central information processing control module is connected with data memory module and wireless data transfer module, and energy supply control module is connected with the modules of magnetoresistive transducer.Described magnetoresistive transducer array includes that six sensing units are integrated in a magnetoresistive transducer；Two of which sensing unit is placed on XY zero jointly.On two X-coordinate directions being individually positioned in initial point both sides, detecting for X-direction, another two is individually positioned on the Y coordinate direction of initial point both sides, detects for Y-direction.Described wireless data transfer module includes radio frequency transmission unit.It is automatically composed wireless network by respective wireless data transfer module between each magnetoresistive transducer.Wireless magnetoresistive transducer is by programming realization magnetoresistive transducer network and signal processing and the radio communication of control centre.
Described signal processing and control centre include transport module and data memory module, central information processing control module, energy acquisition and energy supply control module；Wherein, transport module is connected with central information processing control module, and energy acquisition module is connected with energy supply control module, and energy supply control module is connected with modules in control centre with signal processing.Described transport module includes radio frequency unit, serial communication and wireless communication unit.
Described vehicle based on magnetoresistive transducer network drives in the wrong direction wireless exploration and intelligence control system, it is characterised in that described transport information transmission system includes display module, central information processing control module, data transmission module, energy acquisition and energy supply control module；Wherein, central information processing control module is connected with transport module, display module respectively, and energy supply control module is connected to provide electric energy with other modules respectively.Described data transmission module includes radio frequency unit, serial communication unit and wireless communication unit.
The invention has the beneficial effects as follows: vehicle drives in the wrong direction wireless exploration and intelligence control system through described vehicle based on magnetoresistive transducer network, each sensing unit of magnetoresistive transducer detects, respectively at different time, the disturbance that magnetic field of the earth produces in coordinate axes X, Y-direction, according to the sequencing of the different sensing unit of arrival, calculate the travel direction of vehicle.The information of magnetoresistive transducer passes through wireless network transmissions to signal processing and control centre.Information processing that sensing unit is detected in coordinate axes X, Y-direction by signal processing with control centre also judges whether vehicle drives in the wrong direction.Information and control signal are driven in the wrong direction to transport information transmission system by wired and wireless communication unit transmission vehicle by signal processing and control centre.Transport information transmission system warning on display module, and by wireless network to system outside, including driver and traffic control center, send the information of driving in the wrong direction.The present invention use one both can independent operating also may be incorporated into more the intelligence system of macroreticular realize vehicle and drive in the wrong direction detection and control function.Reducing cost, accuracy is high, and continuous working period is long, and easy construction is susceptible to environmental effect.
Accompanying drawing explanation
Fig. 1 is that present invention vehicle based on magnetoresistive transducer network drives in the wrong direction the structured flowchart of wireless exploration and intelligence control system；
Fig. 2 is the structural representation of a magnetoresistive transducer in magnetoresistive transducer network 10 in Fig. 1.
Fig. 3 is the magneto-resistive transducing cell array structure schematic diagram in Fig. 2 in a magnetoresistive transducer.
Fig. 4 is signal processing and control centre 20 structural representation in Fig. 1.
Fig. 5 is Fig. 1 transport information transmission system 30 structural representation.
Detailed description of the invention
A kind of based on magnetoresistive transducer network the vehicle that the present invention the proposes wireless exploration that drives in the wrong direction is combined drawings and the embodiments with intelligence control system and is further described below:
A kind of based on magnetoresistive transducer network the vehicle that the present invention proposes drives in the wrong direction wireless exploration and intelligence control system, as shown in Figure 1, it is arranged on road including at least one, magnetoresistive transducer (is deleted network plus frame line by the wireless magnetoresistive transducer network 40 of magnetoresistive transducer 10 composition of trackside or appropriate location, space in the drawings, delete nethermost magnetoresistive transducer in figure), a signal processing being installed on trackside or neighbouring suitable locus and control centre 20 and a transport information transmission system 30 being installed on trackside or neighbouring suitable locus.Magnetoresistive transducer 10 is connected by Wi-Fi with control centre 20 with signal processing, and signal processing is connected by wired and wireless mode with control centre 20 and transport information transmission system 30.Magnetoresistive transducer 10 is for detecting vehicle travel direction on X/Y plane.This magnetoresistive transducer at least includes the sensor array of the multiple sensing units composition being spaced apart in the x, y direction.
The operation principle of the present invention: when vehicle is through magnetoresistive transducer 10, each magnetoresistive transducer sensing unit in x and y direction detects, at different time, the disturbance that magnetic field of the earth signal is produced by vehicle.The time detected is compared, calculates vehicle and successively arrive the order of each sensing unit, determine vehicle heading.Detection information in magnetoresistive transducer 10 is analyzed with control centre 20 by wireless network transmissions to signal processing and control centre 20, signal processing and is judged whether drive in the wrong direction, and sends warning with control signal to transport information transmission system 30.Transport information transmission system 30 warning also sends a message to outside system, including driver and traffic control center.
The each several part detailed description of the invention of present system and function are respectively described below:
Described magnetoresistive transducer network 40 is including at least a wireless magnetoresistive transducer 10.The structure of this is wireless magnetoresistive transducer 10 is as shown in Figure 2.This is wireless, and magnetoresistive transducer 10 includes magneto-resistive transducing cell array 101, data acquisition and amplification module 102, central information processing control module 103, wireless transport module 104, data memory module 105 and energy supply control module 106.Magneto-resistive transducing cell array 101 is connected with amplification module 102 with data acquisition, data acquisition is connected with amplification module 102 and central information processing control module 103, central information processing control module 103 is connected with data memory module 105 and wireless data transfer module 104, and energy supply control module 106 is connected with the modules of magnetoresistive transducer.
The function of each module is as follows:
Magneto-resistive transducing cell array 101 is for being converted into voltage pulsation by disturbance of magnetic field；
Data acquisition and amplification module 102 are for being filtered amplifying and high speed synchronous sample to the output voltage of magneto-resistive transducing cell array 101；
Central information processing control module 103, for processing the signal collected, is extracted vehicle temporal information of different sensing units in magneto-resistive transducing cell array 101, thus is detected vehicle heading；Central information processing control module 103 for storing data memory module 105 and being sent to signal processing and control centre 20 by wireless data transfer module 104 by information of vehicles；
Energy supply control module 106 gives each module for power supply of magnetoresistive transducer.
Implementing of wireless magneto-resistive transducing array is as follows with function declaration:
Magneto-resistive transducing cell array 101 is made up of six identical sensing unit 1011 to sensing units 1016 and is integrated in a magnetoresistive transducer.The structure of this magneto-resistive transducing cell array is as shown in Figure 3.Six sensing units are positioned on coordinate axes X and Y in the way of separated by a distance.X-axis is parallel with driveway travel directions, and Y-axis is vertical with X-axis.Initial point is located at lane center or roadside, side, track (supplementing the direction that coordinate specifically arranges the position XY of position, i.e. initial point).Wherein sensing unit 1012 and sensing unit 1016 are placed on XY zero jointly, sensing unit 1011 and sensing unit 1013 are individually positioned on the X-coordinate direction of initial point both sides, and sensing unit 1014 and sensing unit 1015 are individually positioned on the Y coordinate direction of initial point both sides.When vehicle is respectively induced the disturbance in the magnetic field of the earth in the X direction caused by vehicle through magneto-resistive transducing cell array, sensing unit 1011, sensing unit 1012, and sensing unit 1013 and is converted into the fluctuation of voltage.Accordingly, sensing unit 1014, sensing unit 1016, and sensing unit 1015 is respectively induced the disturbance in the magnetic field of the earth in the Y direction caused by vehicle and is converted into the fluctuation of voltage.Data acquisition and amplification module 102 include filtering and amplifying unit and multi-channel synchronous high-speed sampling unit.Data acquisition gathers the voltage of each sensing unit in magneto-resistive transducing cell array 101 and exports and record the corresponding time to amplification module 102.Central information processing control module 102 uses low-power consumption high speed processor.Central information processing control module 102 is to from sensing unit 1011, sensing unit 1012, in the X-direction collected with sensing unit 1013, fluctuation and the corresponding time of voltage compare, show that vehicle first passes through sensing unit 1011 or first passes through sensing unit 1013, thus calculating vehicle is to travel to sensing unit 1013 from sensing unit 1011, or rightabout.Accordingly, central information processing control module 102 in the Y direction, obtains the vehicle heading in Y-axis by sensing unit 1014, sensing unit 1016, and sensing unit 1015.Result on X and Y-direction is carried out vector add and, draw vehicle accurate travel direction on X/Y plane.Data memory module 105 stores the vehicle heading that central information processing control module 102 calculates and the initial data collected.Wireless transport module 104 includes radio frequency unit.The wireless transport module of each magnetoresistive transducer is automatically composed wireless network.The information of vehicles that central information processing control module 102 obtains sends other magnetoresistive transducers in wireless network and signal processing and control centre 20 to by wireless transport module 104.Energy supply control module 106 includes battery, voltage conversion circuit and power control switch.Battery in energy supply control module 106 is each module for power supply in voltage conversion circuit is to magnetoresistive transducer.Central processing unit 103 controls the on and off switch of each module to control the power consumption of each module.
The one of the present embodiment is preferably the uniaxial anisotropy magnetoresistive transducer HMC1001 of six anisotropic magnetoresistive sensing units employing Honeywell (Honeywell) in magneto-resistive transducing cell array 101.A kind of modes of emplacement is to be spaced 10 cm distance to be placed in X-axis and Y-axis.Data acquisition and amplification module 102 use the analog-digital converter comprising Programmable Dynamic differential amplifier circuit of RC filter circuit and Texas Instrument (TexasInstruments).Central information processing control module 103 uses the MSP430 low-power consumption high speed processor of Texas Instrument (TexasInstruments), and wireless transport module 104 uses the XbeePro module of DigiInternational to form wireless mesh (Mesh) network.Data memory module 105 uses Common Flash Memory and safe digital card.Energy supply control module 106 uses Large Copacity 12V lithium battery.12V is converted into magnetoresistive transducer each module required voltage by the dc-dc using Texas Instrument (TexasInstruments).
Described signal processing is with control centre 20 as shown in Figure 4.This signal processing and control centre 20 include transport module 201 and data memory module 202, central information processing control module 205, energy acquisition 203 and energy supply control module 204.Transport module 201 is connected with central information processing control module 205, magnetoresistive transducer 10 and transport information transmission system 30, energy acquisition module 203 is connected with energy supply control module 204, and energy supply control module 204 is connected with modules in control centre 20 with signal processing.Transport module 201 receives the information of vehicles of magnetoresistive transducer 10 and is sent to central information processing control module 205.Central information processing control module 205 processes vehicle traveling information and judges whether vehicle drives in the wrong direction.If vehicle drives in the wrong direction, central information processing control module 205 is sent by transport module 201 and controls with warning message to transport information transmission system 30, and will determine that result is stored in data storage cell 202.Energy acquisition module 203 collecting energy is also transferred to energy supply control module 204.Energy supply control module 204 gives signal processing and each module for power supply in control centre 20 with this.
Signal processing and control centre 20 implement as follows with function declaration:
Transport module 201 includes radio frequency unit, serial communication unit and wireless communication unit.Radio frequency unit and wireless magnetoresistive transducer network service are to obtain the information of vehicles that magnetoresistive transducer 10 detects.Central information processing control module 205 is communicated with transport information transmission system 30 by serial communication unit or the wireless communication unit of transport module 201.Central information processing control module 205 includes a high speed processor.The information of vehicles obtained from magnetoresistive transducer 10 is processed by central information processing control module 205.If the travel direction that vehicle heading specifies with road is contrary, then judge that vehicle drives in the wrong direction.Now, central information processing control module 205 is sent by transport module 201 and controls with warning message to transport information transmission system 30.If the travel direction that vehicle heading specifies with road is contrary, the most do not send warning message.Data storage cell 202 stores the judged result of central information processing control module 205.Energy acquisition module 203 includes energy collection unit and change-over circuit composition.Energy acquisition module 203 gathers the energy and is converted into electric energy, is transmitted further to energy supply control module 204.Energy supply control module 204 includes charging circuit, battery, voltage stabilizing and voltage conversion circuit, and power control switch composition.The electric energy collected is charged the battery by charging circuit.Battery passes through mu balanced circuit and voltage conversion circuit to signal processing and each module for power supply in control centre 20.Central information processing control module 205 control signal processes and each module in control centre 20.Each module is typically in low power consumpting state.Central information processing control module 205 only departs from low power consumpting state needing when and activates corresponding module by the power control switch in energy supply control module 204 or control each module entrance low power operation state.
The one of the present embodiment is preferably central information processing control module 205 and uses the ARMCortex-A8 high-performance high speed processor of Texas Instrument (TexasInstruments).Transport module 201 uses the XbeePro module of DigiInternational to communicate with magnetoresistive transducer 10 and ITS Information transmission system 30.Using general serial chip, the Wi-Fi module of DigiInternational and the mobile phone router of DigiInternational and ITS Information transmission system 30 set up wired and radio communication simultaneously.Data memory module 202 uses Common Flash Memory and safe digital card.Energy acquisition module 203 uses solar panels to collect solar energy, is converted into electric energy according to photoelectric effect and is transferred to energy supply control module 106.Energy supply control module 106 uses Large Copacity 12V lead battery.12V is converted into control signal and processes and each module required voltage in control centre 20 by the dc-dc using Texas Instrument (TexasInstruments).
Described transport information transmission system 30 is as shown in Figure 5.This transport information transmission system 30 includes transport module 303, central information processing control module 302, energy acquisition module 304, energy supply control module 305 and display module 301.Central information processing control module 302 is connected with transport module 303, display module 301 respectively, and energy supply control module 305 is connected to provide electric energy with other modules respectively.Transport module 303 receives the information of signal processing and control centre 20 and sends central information processing control module 302 to.If central information processing control module 302 receive vehicle drive in the wrong direction and warning message, will on display module warning.And by transport module 303 outside system, including driver and traffic control center, send the information of driving in the wrong direction.Energy acquisition module 304 collecting energy is also transferred to energy supply control module 305.Energy supply control module 305 gives each module for power supply in transport information transmission system 30 with this.
Transport information transmission system 30 implements as follows with function declaration:
Transport module 303 includes radio frequency unit, serial communication unit and wireless communication unit.Radio frequency unit communicates with control centre 20 with wireless magnetoresistive transducer 10 and signal processing.When signal processing does not works with control centre 20, wireless magnetoresistive transducer 10 can directly communicate with ITS Information transmission system 30, and ITS Information transmission system 30 still can send vehicle heading information outside system.Serial communication unit and wireless communication unit realize the communication between the network outside transport information transmission system 30 and signal processing and control centre 20 and system.Central information processing control module 302 includes a high-speed low-power-consumption processor.The information received from signal processing and control centre 20 is processed by central information processing control module 302.If vehicle drives in the wrong direction, central information processing control module 302 is warning on display module 301.And by transport module 303 outside system, including driver and traffic control center, send vehicle and drive in the wrong direction information and warning message.The retrograde sensor network communication standard following IEEE802 with warning message of the vehicle sent.Transport module 303 provide two kinds to system outside communication interface, a kind of be transmission information show on specific webpage.Driver or traffic control center log in this webpage can obtain real-time vehicle drive in the wrong direction and warning message.A kind of is the retrograde application program being sent on the computer of traffic hub or the mobile phone of driver operation with warning message of vehicle.Application program display vehicle drives in the wrong direction and warning message.Transport module 303 is by programming realization communication interface.The application program run on the computer of traffic hub or the mobile phone of driver is also through programming realization.Energy acquisition module 304 includes energy collection unit and change-over circuit composition.Energy acquisition module 304 gathers the energy and is converted into electric energy, is transmitted further to energy supply control module 305.Energy supply control module 305 includes charging circuit, battery, voltage stabilizing and voltage conversion circuit, and power control switch composition.The electric energy collected is charged the battery by charging circuit.Battery passes through mu balanced circuit and voltage conversion circuit to module for power supply each in transport information transmission system 30.Central information processing control module 302 controls each module in transport information transmission system 30.Each module is typically in low power consumpting state.Central information processing control module 302 only departs from low power consumpting state needing when and activates corresponding module by the power control switch in energy supply control module 305 or control each module entrance low power operation state.
The one of the present embodiment is preferably central information processing control module 302 and uses the MSP430 high-speed low-power-consumption processor of Texas Instrument (TexasInstruments).Transport module 303 uses the XbeePro module of DigiInternational to communicate with control centre 20 with magnetoresistive transducer 10 and signal processing.Use the network outside general serial chip, the Wi-Fi module of DigiInternational and the mobile phone router of DigiInternational and ITS Information transmission system 30 and system to set up wired and radio communication simultaneously.Energy acquisition module 304 uses solar panels to collect solar energy, is converted into electric energy according to photoelectric effect and is transferred to energy supply control module 306.Energy supply control module 306 uses Large Copacity 12V lead battery.12V is converted into each module required voltage in transport information transmission system 30 by the dc-dc using Texas Instrument (TexasInstruments).
The wireless magnetoresistive transducer network 40 that the present embodiment uses can lay one or more wireless magnetoresistive transducers according to road conditions and precise requirements, can be placed in as required on road, trackside or particular spatial location.Such as, in the case of multilane, with each track, one wireless magnetoresistive transducer can be installed.For another example, at the whole road two ends not allowing to drive in the wrong direction and the centre multiple magnetoresistive transducer of appropriate position of sound production to form detection interval, not only realize detection alerting and drive in the wrong direction, and change direction at retrograde vehicle, after exiting the interval not allowing to drive in the wrong direction, it is achieved release warning intelligently.On the other hand, detect the minimum sensing unit of vehicle heading, but degree of accuracy is low, substantially cannot judge in the case of multilane.Using two sensing units, degree of accuracy has bigger raising.But when multichannel or vehicle are not along road direction straight-line travelling, erroneous judgement increases.Therefore use magneto-resistive transducing cell array 101 preferred version.But according to precision, cost requirement, magneto-resistive transducing cell array 101 can be increased or decreased sensing unit.Such as, the magneto-resistive transducing cell array detection vehicle shown in Fig. 3 is in the travel direction of X/Y plane.If vehicle travels on the slope, for more accurately detecting vehicle heading, sensing unit can be placed on Z axis to detect vehicle travel direction on Z axis.
Wireless magnetoresistive transducer 10 in the present embodiment, signal processing is realized by wireless transport module 104, the radio frequency unit in transport module 201 and transport module 303 with control centre 20 and ITS Information transmission system 30.Specifically completed by the XbeePro module of DigiInternational.According to different needs, power consumption and cost requirement, it would however also be possible to employ other realizes such as Wi-Fi, mobile telephone network, bluetooth, wire transmission network.Such as, if needing ultra-distance communication, the XLR module of DigiInternational can be used.On the other hand, can avoid directly communicating according to communicating of network complexity and cost requirement, wireless magnetoresistive transducer networking 40 and ITS Information transmission system 30, and all pass through signal processing and realize with control centre 20.
In the present embodiment, the network outside ITS Information transmission system 30 and system is realized by Wi Fi and mobile telephone network, is specifically completed by the Wi Fi module of DigiInternational and the mobile phone router of DigiInternational.According to different demands, it would however also be possible to employ other realizes such as bluetooth, wire transmission network.Such as, if needing to communicate in remote districts, satellite communication module can be used.On the other hand, in the case of requiring to reduce cost, it is also possible to close Wi Fi or mobile telephone network communication mode.
In the present embodiment the transport module 303 of ITS Information transmission system 30 provide two kinds with system outside the communication interface that is connected of network and file format.According to different needs, transport module 303 can provide communication interface and information to miscellaneous equipment.Such as, if vehicle is mounted with vehicle mounted traffic equipment, transport information transmission system 30 directly can be communicated with vehicle mounted traffic equipment by automotive industry standards.
Display module 301 in transport information transmission system 30 in the present embodiment, can lay multiple as required at trackside.Not only give the warning drivers information of the vehicle that drives in the wrong direction.Alert simultaneously and have retrograde vehicle on other driver's roads normally travelled to avoid the vehicle accidents that drives in the wrong direction further.
Together with in the present embodiment, signal processing can be placed as required on control centre 20 and transport information transmission system 30, it is also possible to be placed on the diverse location of trackside.The when that signal processing being placed on same position with control centre 20 and transport information transmission system 30, some modules of the two can be shared.
Vehicle based on magnetoresistive transducer network in the present embodiment drives in the wrong direction wireless exploration both can be with independent operating with intelligence control system, it is also possible to be integrated in more complicated intelligent transportation detection and control system.This system is out of order at the outer networking of system, in the case of traffic control center is out of touch, still can normally work, and detection vehicle drives in the wrong direction, and alerts vehicle drivers of driving in the wrong direction.In being integrated into more complicated intelligent transportation detection and control system, it is provided that the information of vehicles that drives in the wrong direction is to other drivers in traffic control center and road.Meanwhile, this system also can accept the information of traffic control center, to send retrograde information and warning to vehicle and driver.
The foregoing is only the preferred embodiments of the present invention, it is impossible to limit the interest field of the present invention with this, the equivalent variations made according to scope of the present invention patent, still belong to the scope that the present invention is contained.
Claims (8)
1. a vehicle based on magnetoresistive transducer network drives in the wrong direction wireless exploration and intelligence control system, it is characterized in that, this system includes the magnetoresistive transducer networking that at least one magnetoresistive transducer forms, a signal processing and control centre and a transport information transmission system being installed on trackside or neighbouring suitable locus；Magnetoresistive transducer is connected by Wi-Fi with control centre with signal processing, signal processing is connected by wired or wireless mode with control centre and transport information transmission system, and this magnetoresistive transducer at least includes the magneto-resistive transducing cell array that the multiple sensing units being spaced apart in the x, y direction are formed；Magnetoresistive transducer by vehicle through the detection of out-of-date magnetic field of the earth disturbance and analysis, calculate the travel direction of car and transmit data to signal processing and control centre by Wi-Fi；Signal processing processes the data of magnetoresistive transducer with control centre and judges whether vehicle drives in the wrong direction；Signal processing sends the information of driving in the wrong direction with caution signals to control traffic with control centre by transport information transmission system.
Vehicle based on magnetoresistive transducer network the most according to claim 1 drives in the wrong direction wireless exploration and intelligence control system, it is characterized in that, a described magnetoresistive transducer also includes data acquisition module, central information processing control module, data storage and wireless transport module, energy supply control module；Magneto-resistive transducing cell array is connected with data acquisition and amplification module, data acquisition is connected with amplification module and central information processing control module, central information processing control module is connected with data memory module and wireless data transfer module, and energy supply control module is connected with the modules of magnetoresistive transducer.
Vehicle based on magnetoresistive transducer network the most according to claim 2 drives in the wrong direction wireless exploration and intelligence control system, it is characterised in that described magnetoresistive transducer array includes that six sensing units are integrated in a magnetoresistive transducer；Two of which sensing unit is placed on XY zero jointly；On two X-coordinate directions being individually positioned in initial point both sides, detecting for X-direction, another two is individually positioned on the Y coordinate direction of initial point both sides, detects for Y-direction.
Vehicle based on magnetoresistive transducer network the most according to claim 3 drives in the wrong direction wireless exploration and intelligence control system, it is characterised in that described wireless data transfer module includes radio frequency transmission unit；It is automatically composed wireless network by respective wireless data transfer module between each magnetoresistive transducer；Wireless magnetoresistive transducer is by programming realization magnetoresistive transducer network and signal processing and the radio communication of control centre.
Vehicle based on magnetoresistive transducer network the most according to claim 1 drives in the wrong direction wireless exploration and intelligence control system, it is characterized in that, described signal processing and control centre include transport module and data memory module, central information processing control module, energy acquisition and energy supply control module；Wherein, transport module is connected with central information processing control module, and energy acquisition module is connected with energy supply control module, and energy supply control module is connected with modules in signal processing and control centre.
Vehicle based on magnetoresistive transducer network the most according to claim 5 drives in the wrong direction wireless exploration and intelligence control system, it is characterised in that described transport module includes radio frequency unit, serial communication and wireless communication unit.
Vehicle based on magnetoresistive transducer network the most according to claim 1 drives in the wrong direction wireless exploration and intelligence control system, it is characterized in that, described transport information transmission system includes display module, central information processing control module, data transmission module, energy acquisition and energy supply control module；Wherein, central information processing control module is connected with transport module, display module respectively, and energy supply control module is connected to provide electric energy with other modules respectively.
Vehicle based on magnetoresistive transducer network the most according to claim 8 drives in the wrong direction wireless exploration and intelligence control system, it is characterised in that described data transmission module includes radio frequency unit, serial communication unit and wireless communication unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610248838.1A CN105825685A (en) | 2016-04-20 | 2016-04-20 | Magnetoresistive sensor network-based vehicle converse running wireless detection and intelligent control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610248838.1A CN105825685A (en) | 2016-04-20 | 2016-04-20 | Magnetoresistive sensor network-based vehicle converse running wireless detection and intelligent control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105825685A true CN105825685A (en) | 2016-08-03 |
Family
ID=56526279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610248838.1A Pending CN105825685A (en) | 2016-04-20 | 2016-04-20 | Magnetoresistive sensor network-based vehicle converse running wireless detection and intelligent control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105825685A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637155A (en) * | 2018-11-12 | 2019-04-16 | 钦州学院 | A kind of vehicle detection apparatus of urban transportation intelligence control system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101071526A (en) * | 2006-05-08 | 2007-11-14 | 林贵生 | Interactive intelligent road nail and its road net information system |
| CN101226690A (en) * | 2007-01-16 | 2008-07-23 | 同济大学 | Wireless geomagnetism type vehicle detecting system |
| CN101414407A (en) * | 2007-10-16 | 2009-04-22 | 余亚莉 | Intelligent dust type traffic sensor and signal control network and message transmission system thereof |
| KR20100114234A (en) * | 2009-04-15 | 2010-10-25 | 김종명 | System for preventing reverse driving of vehicle |
| CN101903922A (en) * | 2007-12-20 | 2010-12-01 | 株式会社建伍 | Road-vehicle communication system |
| CN202534167U (en) * | 2011-12-28 | 2012-11-14 | 百年金海安防科技有限公司 | An ARM7-core-based data-sampling and signal-controlling device for urban intelligent transportation |
| CN104504917A (en) * | 2015-01-13 | 2015-04-08 | 徐修德 | Intelligent traffic signal control device and method |
| CN104700627A (en) * | 2013-12-06 | 2015-06-10 | 感知技术无锡有限公司 | Parking space detection method, magnetic sensitive detector, server and parking space detection system |
| CN204537444U (en) * | 2015-04-28 | 2015-08-05 | 南京信息工程大学 | A kind of wireless vehicle flow based on earth magnetism and vehicle heading detecting device |
| CN104835326A (en) * | 2015-04-24 | 2015-08-12 | 周欣 | Vehicle detector based on anisotropy magnetic resistance sensor array |
| CN105096611A (en) * | 2015-08-17 | 2015-11-25 | 深圳市中科车港实业有限公司 | Road vehicle detection system and method |
-
2016
- 2016-04-20 CN CN201610248838.1A patent/CN105825685A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101071526A (en) * | 2006-05-08 | 2007-11-14 | 林贵生 | Interactive intelligent road nail and its road net information system |
| CN101226690A (en) * | 2007-01-16 | 2008-07-23 | 同济大学 | Wireless geomagnetism type vehicle detecting system |
| CN101414407A (en) * | 2007-10-16 | 2009-04-22 | 余亚莉 | Intelligent dust type traffic sensor and signal control network and message transmission system thereof |
| CN101903922A (en) * | 2007-12-20 | 2010-12-01 | 株式会社建伍 | Road-vehicle communication system |
| KR20100114234A (en) * | 2009-04-15 | 2010-10-25 | 김종명 | System for preventing reverse driving of vehicle |
| CN202534167U (en) * | 2011-12-28 | 2012-11-14 | 百年金海安防科技有限公司 | An ARM7-core-based data-sampling and signal-controlling device for urban intelligent transportation |
| CN104700627A (en) * | 2013-12-06 | 2015-06-10 | 感知技术无锡有限公司 | Parking space detection method, magnetic sensitive detector, server and parking space detection system |
| CN104504917A (en) * | 2015-01-13 | 2015-04-08 | 徐修德 | Intelligent traffic signal control device and method |
| CN104835326A (en) * | 2015-04-24 | 2015-08-12 | 周欣 | Vehicle detector based on anisotropy magnetic resistance sensor array |
| CN204537444U (en) * | 2015-04-28 | 2015-08-05 | 南京信息工程大学 | A kind of wireless vehicle flow based on earth magnetism and vehicle heading detecting device |
| CN105096611A (en) * | 2015-08-17 | 2015-11-25 | 深圳市中科车港实业有限公司 | Road vehicle detection system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637155A (en) * | 2018-11-12 | 2019-04-16 | 钦州学院 | A kind of vehicle detection apparatus of urban transportation intelligence control system |
| CN109637155B (en) * | 2018-11-12 | 2021-07-06 | 钦州学院 | Vehicle detection device of urban traffic intelligent control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102737511B (en) | Intelligent road side system | |
| CN109472977A (en) | A kind of multi information acquisition publication integral intelligent road side system | |
| CN101071526A (en) | Interactive intelligent road nail and its road net information system | |
| CN101797927A (en) | Non-contact rail traffic speed-measurement and positioning method based on sleeper detection and device thereof | |
| KR100988735B1 (en) | Traffic surveillance detection system | |
| CN105702032B (en) | A kind of monitoring of roadside accident and alarm system | |
| CN102360531A (en) | Intelligent traffic light control method and system based on wireless sensor network | |
| CN202352081U (en) | Intelligent traffic light control system based on wireless sensor network | |
| CN101241642A (en) | Vehicular device for special mobile traffic flow collection of floating car | |
| CN102592458A (en) | Road traffic flow detection method and system based on RFID (Radio Frequency Identification) | |
| CN1896690A (en) | Vehicle-mounted information indication device and vehicle information communication system using the same | |
| CN107517065B (en) | A kind of people-the Che based on intelligent transportation-road information interaction system and method | |
| CN104900067A (en) | Intelligent wireless vehicle detection system based on geomagnetic sensor | |
| CN103794084A (en) | Intelligent parking management system based on wireless sensor network | |
| CN104835326A (en) | Vehicle detector based on anisotropy magnetic resistance sensor array | |
| CN105280008A (en) | Electronic bus station board system | |
| CN104933879A (en) | Traffic information collecting, inducing and publishing method based on Internet of Things | |
| CN209641068U (en) | A kind of multi information acquisition publication integral intelligent road side system | |
| CN201035760Y (en) | Public transport passenger flow and mileage information acquisition device | |
| KR100906432B1 (en) | Traffic information detection system using the piezosensor and loop sensor | |
| CN103383812A (en) | System and method for releasing travel time by being accurate to second | |
| CN105825685A (en) | Magnetoresistive sensor network-based vehicle converse running wireless detection and intelligent control system | |
| KR101531034B1 (en) | Vehicle detecting system using geomagnetism detector and piezo sensor | |
| CN206097466U (en) | Multi -functional intelligent traffic flow monitoring system | |
| CN204650759U (en) | A kind of wireless geomagnetism wagon detector LED formula smart host |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160803 |