CN206363532U - A kind of novel intelligent traffic lights based on ARM - Google Patents
A kind of novel intelligent traffic lights based on ARM Download PDFInfo
- Publication number
- CN206363532U CN206363532U CN201621279168.1U CN201621279168U CN206363532U CN 206363532 U CN206363532 U CN 206363532U CN 201621279168 U CN201621279168 U CN 201621279168U CN 206363532 U CN206363532 U CN 206363532U
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- China
- Prior art keywords
- signal lamp
- semaphore
- traffic lights
- novel intelligent
- control end
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- Traffic Control Systems (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The utility model relates generally to a kind of novel intelligent traffic lights based on ARM, it include semaphore, signal lamp, region signal lamp linkage central control terminal, put remote control, radio-frequency probe by force；Described main control end uses 32 embedded RISC processor AT91RM9200 of ARM cores；When the vehicle with RF tag by when, read write line can receive to return by antenna be loaded with the rf modulated signal of RFID information, and semaphore main control end is transmitted to after processing, the information gathering of road condition data is completed；The utility model patent is based on AT91RM9200 processors, using embedded OS, being monitored in real time in information of vehicle flowrate, design using radio-frequency probe has cost low, and operation is simple, extension is convenient, extent of information sharing is high, and the features such as flexibility is strong can be effectively improved current situation of traffic, the utilization rate of existing road resource is improved, social cost is saved.
Description
Technical field
The utility model is related to a kind of traffic lights, more particularly to a kind of novel intelligent traffic lights based on ARM.
Background technology
Current domestic communication signal lamp generally uses fixed cycle program control technology, i.e., true mainly by experience and conventional statistics
Determine the traffic lights light on and off time；The intellectuality of road traffic is realized it is necessary to introduce variable period Traffic signal control technology, in real time
The data such as the magnitude of traffic flow and congestion amount at crossing are detected, according to regular dynamically Regulate signal lamp, the logical of more satisfaction are obtained
Row rate.
Utility model content
The utility model provides the collection precision that a kind of utilization RFID technique improves traffic information, remote using electric current loop
A kind of novel intelligent traffic lights based on ARM of transmission means.
A kind of novel intelligent traffic lights based on ARM, including semaphore, signal lamp, region signal lamp linkage center
Control end, remote control, radio-frequency probe are put by force；Described semaphore includes LCD screen, main control end, car flow information collecting unit, key
Disk, fault detection unit, communication unit, infrared receiver unit；Described signal lamp include controller, countdown signal lamp,
Pedestrian crosswalk signal lamp, motor vehicle, non-motor vehicle signal lamp；Described region signal lamp linkage central control terminal is single by communicating
Member is connected with main control end；Described main control end and LCD screen, car flow information collecting unit, keyboard, fault detection unit, communication are single
Member, infrared receiver unit are connected in slot interface mode；Described controller and countdown signal lamp, crossing signal
Lamp, motor vehicle, the connection of non-motor vehicle signal lamp.
Described main control end uses 32 embedded RISC processor AT91RM9200 of ARM cores, meets semaphore intelligence
Change and require, semaphore is turned into the platform collected with processing traffic flow data, communicate networking and area coordination control model.
Described signal lamp uses LED light emitting diodes, and signal lamp is furnished with UPS uninterrupted power sources, institute by externally fed
The controller stated does not provide signal lamp operating voltage, only carries out signal transmission, fully achieves weakness control；Described signal lamp
The control of brightness, by electrical voltage full-wave rectification, through electric resistance partial pressure, has been changed into by optocoupler and necessarily accounted for using the principle of pulsewidth modulation
The square wave of empty ratio, when supply voltage is raised, dutycycle can reduce, and suppress the raising of signal lamp brightness, when supply voltage reduction
When, dutycycle can increase, and limit the reduction of signal lamp brightness, realize automatically controlling for signal lamp brightness；Signal lamp is remote
Control on Communication is realized using electric current loop signal transmission form；Signal lamp is then converted to the serial information that controller is sent simultaneously
Row output, accurately realizes position control.
LCD screen drive control device built in risc processor AT91RM9200, can automatically generate LCD screen driving control signal；
Keyboard extends the keyboard matrix of one 4 × 4 by ZLG7290B, and ZLG7290B passes through IIC universal serial bus and risc processor
AT91RM9200 is attached.
Radio-frequency probe includes RF tag, three parts of antenna and read write line；Described antenna and read write line is placed in
Roadside, when the vehicle with RF tag by when, read write line can by antenna receive return be loaded with RFID information radio frequency adjust
Signal processed, is transmitted to semaphore main control end after processing, completes the information gathering of road condition data；Car flow information is in semaphore main control end
Interior process Modeling Calculation, obtains the cycle time needed for current demand signal lamp.
Described fault detection unit is watchdog reset circuit MAX708CPA；Examined using containing voltage detecting and electric current
The failure detector circuit of survey, real-time detection is made to traffic controller and signal lamp, and the Transistor-Transistor Logic level signal of return is transferred to
Semaphore master control borad, semaphore can be continued executing with according to different result selections, or alarm, or even voluntarily shut down upwards.
Signal lamp uses LAN with region signal lamp linkage central control terminal（LAN）Carry out both-way communication；Area letter
Pending data message is issued area by signal lamp linkage central control terminal by the way that Web Service application programming interfaces are packaged
Signal lamp linkage central control terminal；Web Service technologies make full use of the calculating energy of region signal lamp linkage central control terminal
Power, alleviates the processor expense of local signal machine so that signal lamp is more stablized and easy to maintain.
Radio-frequency probe recognizes the vehicle flowrate near traffic intersection using RFID technique, via GA genetic algorithms and introduces mould
Fuzzy logic is theoretical, and mouthful traffic conditions of satisfying the need carry out analysis in real time and calculated, and signal lamp cycle is adjusted according to result.
The utility model patent is based on AT91RM9200 processors, using embedded OS, utilizes radio-frequency probe
Have cost low in real-time monitoring information of vehicle flowrate, design, operation is simple, and it is convenient to extend, and extent of information sharing is high, and flexibility is strong etc.
Feature, can be effectively improved current situation of traffic, improve the utilization rate of existing road resource, save social cost.
Brief description of the drawings
Fig. 1：The utility model patent structure block diagram；
Fig. 2：The utility model proprietary program flow chart.
Embodiment
A kind of novel intelligent traffic lights based on ARM, including semaphore（1）, signal lamp（2）, region signal lamp connection
Dynamic central control terminal（3）, put remote control by force（4）, radio-frequency probe（5）；Described semaphore（1）Including LCD screen（6）, master control
End（7）, car flow information collecting unit（8）, keyboard（9）, fault detection unit（10）, communication unit（11）, infrared receiver list
Member（12）；Described signal lamp（2）Including controller（13）, countdown signal lamp（14）, pedestrian crosswalk signal lamp（15）, it is motor-driven
Car, non-motor vehicle signal lamp（16）；Described region signal lamp linkage central control terminal（3）Pass through communication unit（11）With master control
End（7）Connection；Described main control end（7）With LCD screen（6）, car flow information collecting unit（8）, keyboard（9）, fault detection unit
（10）, communication unit（11）, infrared receiver unit（12）Connected in slot interface mode；Described controller（13）With falling to count
When signal lamp（14）, pedestrian crosswalk signal lamp（15）, motor vehicle, non-motor vehicle signal lamp（16）Connection.
Described main control end（7）Using 32 embedded RISC processor AT91RM9200 of ARM cores, semaphore is met
（1）Intelligent requirements, make semaphore（1）As collection with handling traffic flow data, communicating and network and area coordination control model
Platform.
Described signal lamp（2）Using LED light emitting diodes, signal lamp（2）By externally fed, and it is uninterrupted equipped with UPS
Power supply, described controller（13）To signal lamp（2）Operating voltage is not provided, signal transmission is only carried out, fully achieves weakness control
System；Described signal lamp（2）The control of brightness uses the principle of pulsewidth modulation, by electrical voltage full-wave rectification, through electric resistance partial pressure, by light
Coupling is changed into the square wave of certain dutycycle, and when supply voltage is raised, dutycycle can reduce, and suppresses signal lamp（2）Brightness
Raising, when the supply voltage decreases, dutycycle can increase, limit signal lamp（2）The reduction of brightness, realizes signal lamp（2）
Brightness is automatically controlled；Signal lamp（2）Telecommunication control is realized using electric current loop signal transmission form；Signal lamp
（2）Then by controller（13）The serial information sent is converted to parallel output, accurately realizes position control.
LCD screen built in risc processor AT91RM9200（6）Drive control device（13）, LCD screen can be automatically generated（6）Driving
Control signal；Keyboard（9）Pass through the ZLG7290B extensions keyboard of one 4 × 4（9）Matrix, ZLG7290B passes through IIC universal serial bus
It is attached with risc processor AT91RM9200.
Radio-frequency probe（5）Including RF tag, three parts of antenna and read write line；Described antenna and read write line placement
In roadside, when the vehicle with RF tag by when, read write line can be received by antenna and return to the radio frequency that be loaded with RFID information
Modulated signal, is transmitted to semaphore after processing（1）Main control end（7）, complete the information gathering of road condition data；Car flow information is in signal
Machine（1）Main control end（7）Interior process Modeling Calculation, obtains current demand signal lamp（2）Required cycle time.
Described fault detection unit（10）For watchdog reset circuit MAX708CPA；Using contain voltage detecting with electricity
The failure detector circuit of detection is flowed, to signal lamp（2）Controller（13）And signal lamp（2）Real-time detection is made, by the TTL of return
Level signal is transferred to semaphore（1）Master control borad, semaphore（1）It can be continued executing with according to different result selections, Huo Zhexiang
Upper alarm, or even voluntarily shut down.
Signal lamp（2）With region signal lamp linkage central control terminal（3）Using LAN（LAN）Carry out both-way communication；
Region signal lamp linkage central control terminal（3）Pending data message is encapsulated by Web Service application programming interfaces
Region signal lamp linkage central control terminal is issued well（3）；Web Service technologies make full use of region signal lamp linkage center control
End processed（3）Computing capability, alleviate local signal machine（1）Processor expense so that signal lamp（2）More stablize and be easy to
Safeguard.
Radio-frequency probe（5）The vehicle flowrate near traffic intersection is recognized using RFID technique, via GA genetic algorithms and is drawn
Enter fuzzy logic theory, mouthful traffic conditions of satisfying the need carry out analysis in real time and calculated, according to result to signal lamp（2）Cycle is adjusted
It is whole.
The utility model patent is based on AT91RM9200 processors, using embedded OS, utilizes radio-frequency probe
（5）Monitoring in real time in information of vehicle flowrate, design has cost low, and operation is simple, and conveniently, extent of information sharing is high, flexibility for extension
Strong the features such as, current situation of traffic can be effectively improved, improve the utilization rate of existing road resource, save social cost.
Claims (6)
1. a kind of novel intelligent traffic lights based on ARM, including semaphore（1）, signal lamp（2）, region signal lamp linkage
Central control terminal（3）, put remote control by force（4）, radio-frequency probe（5）；It is characterized in that：Described semaphore（1）Including LCD screen
（6）, main control end（7）, car flow information collecting unit（8）, keyboard（9）, fault detection unit（10）, communication unit（11）, it is infrared
Line receiving unit（12）；Described signal lamp（2）Including controller（13）, countdown signal lamp（14）, pedestrian crosswalk signal lamp
（15）, motor vehicle, non-motor vehicle signal lamp（16）；Described region signal lamp linkage central control terminal（3）Pass through communication unit
（11）With main control end（7）Connection；Described main control end（7）With LCD screen（6）, car flow information collecting unit（8）, keyboard（9）Therefore
Hinder detection unit（10）, communication unit（11）, infrared receiver unit（12）Connected in slot interface mode；Described controller
（13）With countdown signal lamp（14）, pedestrian crosswalk signal lamp（15）, motor vehicle, non-motor vehicle signal lamp（16）Connection.
2. a kind of novel intelligent traffic lights based on ARM according to claim 1, it is characterised in that：Described master
Control end（7）Using 32 embedded RISC processor AT91RM9200 of ARM cores, semaphore is met（1）Intelligent requirements, make letter
Number machine（1）As the platform collected with processing traffic flow data, communicate networking and area coordination control model.
3. a kind of novel intelligent traffic lights based on ARM according to claim 1, it is characterised in that：Described letter
Signal lamp（2）Using LED light emitting diodes, signal lamp（2）By externally fed, and equipped with UPS uninterrupted power sources, described controller
（13）To signal lamp（2）Operating voltage is not provided, signal transmission is only carried out, fully achieves weakness control；Described signal lamp（2）
The control of brightness, by electrical voltage full-wave rectification, through electric resistance partial pressure, has been changed into by optocoupler and necessarily accounted for using the principle of pulsewidth modulation
The square wave of empty ratio, when supply voltage is raised, dutycycle can reduce, and suppress signal lamp（2）The raising of brightness, when supply voltage drop
When low, dutycycle can increase, and limit signal lamp（2）The reduction of brightness, realizes signal lamp（2）Brightness is automatically controlled；Signal
Lamp（2）Telecommunication control is realized using electric current loop signal transmission form；Signal lamp（2）Then by controller（13）Send
Serial information be converted to parallel output, accurately realize position control.
4. a kind of novel intelligent traffic lights based on ARM according to claim 1, it is characterised in that：RISC processing
LCD screen built in device AT91RM9200（6）Drive control device（13）, LCD screen can be automatically generated（6）Driving control signal；Keyboard（9）
Pass through the ZLG7290B extensions keyboard of one 4 × 4（9）Matrix, ZLG7290B passes through IIC universal serial bus and risc processor
AT91RM9200 is attached.
5. a kind of novel intelligent traffic lights based on ARM according to claim 1, it is characterised in that：Radio frequency is detected
Device（5）Including RF tag, three parts of antenna and read write line；Described antenna and read write line is placed in roadside, when with penetrating
The vehicle of frequency marking label by when, read write line can receive to return by antenna be loaded with the rf modulated signal of RFID information, through processing
After be transmitted to semaphore（1）Main control end（7）, complete the information gathering of road condition data；Car flow information is in semaphore（1）Main control end（7）
Interior process Modeling Calculation, obtains current demand signal lamp（2）Required cycle time.
6. a kind of novel intelligent traffic lights based on ARM according to claim 1, it is characterised in that：Described event
Hinder detection unit（10）For watchdog reset circuit MAX708CPA；Utilize the fault detect containing voltage detecting and current detecting
Circuit, to signal lamp（2）Controller（13）And signal lamp（2）Real-time detection is made, the Transistor-Transistor Logic level signal of return is transferred to letter
Number machine（1）Master control borad, semaphore（1）It can be continued executing with according to different result selections, or alarm, or even voluntarily close upwards
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621279168.1U CN206363532U (en) | 2016-11-28 | 2016-11-28 | A kind of novel intelligent traffic lights based on ARM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621279168.1U CN206363532U (en) | 2016-11-28 | 2016-11-28 | A kind of novel intelligent traffic lights based on ARM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206363532U true CN206363532U (en) | 2017-07-28 |
Family
ID=59371848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621279168.1U Expired - Fee Related CN206363532U (en) | 2016-11-28 | 2016-11-28 | A kind of novel intelligent traffic lights based on ARM |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206363532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047309A (en) * | 2019-04-30 | 2019-07-23 | 安徽科力信息产业有限责任公司 | A kind of signal machine control method and device |
| CN114419902A (en) * | 2021-12-08 | 2022-04-29 | 王力 | Signal lamp control system for traffic engineering |
-
2016
- 2016-11-28 CN CN201621279168.1U patent/CN206363532U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047309A (en) * | 2019-04-30 | 2019-07-23 | 安徽科力信息产业有限责任公司 | A kind of signal machine control method and device |
| CN114419902A (en) * | 2021-12-08 | 2022-04-29 | 王力 | Signal lamp control system for traffic engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20171128 |