CN202502622U - Wireless highway speed measuring system based on ZigBee technology - Google Patents
Wireless highway speed measuring system based on ZigBee technology Download PDFInfo
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- CN202502622U CN202502622U CN2011205184817U CN201120518481U CN202502622U CN 202502622 U CN202502622 U CN 202502622U CN 2011205184817 U CN2011205184817 U CN 2011205184817U CN 201120518481 U CN201120518481 U CN 201120518481U CN 202502622 U CN202502622 U CN 202502622U
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Abstract
The utility model relates to a wireless speed measuring system, and particularly to a wireless highway speed measuring system based on a ZigBee technology. The objective of the utility model is to provide a highway speed measuring system which is capable of effectively controlling the speed of a vehicle on a highway, low in cost and convenient to maintain. The system comprises a vehicle-mounted device, a data transmitter and an information management center. The system is characterized in that: the vehicle-mounted device, the data transmitter and the information management centre are wirelessly connected, a wireless self-organizing communication network is formed by adopting the ZigBee technology, a tree cluster type topological structure is employed, the system works at an ISM band and is capable of locating the vehicle running on the highway and measuring the speed of the vehicle and judging whether the vehicle has an illegal behavior, and a processing certificate is automatically printed by the system. The system has the characteristics of simple network construction, stable and reliable communication, high flexibility, strong anti-interference performance, low cost and convenient maintenance. The system can be applied in a highway management system and adopted to effectively control the vehicle speed and reduce the accident rate of the highway.
Description
Technical field
The utility model relates to a kind of wireless velocity-measuring system, especially based on the technological wireless velocity-measuring system of highway of ZigBee.
Background technology
Along with the continuous development of highway, its importance in The development in society and economy increases day by day.The quantity of the traffic hazard that meanwhile takes place on the highway also increases thereupon, and wherein vehicle rear-end collision accident quantity tops the list.Causing the main reason of rear-end collision is running at high speed of vehicle.Because Vehicle Speed and the relation that people's reaction velocity is inversely proportional to, is directly proportional with braking distance, making drives over the speed limit becomes the first cause of rear-end collision.
Publication number is the patent of invention of 101593413A " overall monitoring of overspeed of vehicle on highway " by name; This system operating mode for when vehicle through the expressway access when exporting; Automatically snap vehicle forward sight photo and stamp time mark by inlet and exit video camera; Automatically calculate the average velocity of vehicle by system when vehicle goes out highway and compare with institute speed limit degree; And combine to send to the information monitoring center with the instantaneous velocity of knotmeter and camera monitoring vehicle and with the car plate of over-speed vehicles along the on-site supervision of highway setting; Vehicle during through the exit system inquire about it automatically and have or not hypervelocity information record, the vehicle that the hypervelocity record is arranged is generated and prints vehicular traffic notice of violation list automatically according to record.This patent of invention has more effectively realized the control car speed; The judgement and the punishment of highway overspeed violation have been made things convenient for; Weak point is only to adopt video processing technique to obtain necessary information in the gateway; Omnidistance speed of a motor vehicle monitor message can not be provided, can not avoid the driver to entertain profiteering attitude have a rest one type the behavior of certain section parking of section running at high speed.
Granted publication number is the utility model of CN201820353U " based on the vehicle on highway supervisory system of RFID " by name; A kind of vehicle on highway supervisory system based on RFID is disclosed; It is characterized in that; The RFID label that provide the expressway access is installed on vehicle to be monitored current on the highway, has the information of vehicles of current vehicle to be monitored in the RFID label; A plurality of card reader that background server, supervisory control comuter and being used for reads RFID label information all are connected through Networks of Fiber Communications; A plurality of card reader are arranged on diverse location along highway, and (card reader sends to background server and supervisory control comuter with the message form through optical networking with information of vehicles, and increases the position and the current time of card reader at message trailer.Background server receives message, forms the vehicle pass-through record and supplies government department to call; Supervisory control comuter receives message, and explicit message is given the monitor staff.The monitor staff dials phone on duty and sends the phone dispatch command, can in time discern specific vehicle, follow the trail of specific vehicle, the restriction specific vehicle is current, prior-release specific vehicle etc.).Should be based on the vehicle on highway supervisory system automaticity of RFID than higher, but optical communication network lay cost higher, safeguard inconvenience, be difficult to satisfy an urgent demand of the fast-developing trend of China's modern transportation.
The utility model content
The purpose of the utility model is the deficiency that overcomes above-mentioned background technology, a kind of driver's of avoiding profiteering attitude is provided, cost is low and the highway velocity-measuring system being convenient to safeguard.
The utility model provides following technical scheme:
A kind of based on ZigBee technology the wireless velocity-measuring system of highway; Comprise that vehicle carried device, number pass device and Center For Information Management three parts, is characterized in that: vehicle carried device, number pass device and Center For Information Management three wireless connections, use the ZigBee technology and constitute wireless, autonomous communications network; Adopt tree bunch topological structure; Work in ISM band, system can position the vehicle of running on expressway and test the speed, and judges whether it has act of violating regulations.
The embedded ZigBee chip of said vehicle carried device; Terminal node for this ZigBee self-organizing network; Each vehicle carried device has unique cognizance code; Be to simplify function device, can pass devices with number and communicate, and have the control module data to carry out data processing and voice cue module is carried out voice suggestion to the driver.
Said number passes device and is provided with on the way, can place on the light pole, is supplied power by the street lamp power supply, road lamp power supply system; Be embedded with the ZigBee chip, be the routing node of this ZigBee self-organizing network, each number passes utensil has unique cognizance code; It is a full-function device; Can pass device with other number and communicate by letter, can communicate by letter with vehicle carried device, can be according to RSSI receiving communication signal intensity; Vehicle carried device is positioned, and the positional information of vehicle carried device and time information corresponding and vehicle carried device are handled the gained information feedback pass device for number to transmit and transfer to Center For Information Management.
Said Center For Information Management is positioned at the expressway entrance and exit place; Form by ZigBee full-function device and computing machine and PRN device; Receive positional information that number passes each vehicle that goes on the highway that device transmits, constantly corresponding and information such as whether exceed the speed limit, the line item of going forward side by side.
The utility model characteristics are: provided based on ZigBee technology the wireless velocity-measuring system of highway can realize monitoring vehicle on expressway speed; And can these information wireless be transferred to Center For Information Management; Avoid driver's profiteering attitude, reduced the system works amount simultaneously.This system group network is simple, between each ingredient of system communication stable, reliable, the workflow that adopts simple.The single-hop of ZigBee data transmission distance can set up on their own, and when setting value is in 100 meters the time, systems radiate does not have influence to human body.That this system has simultaneously is highly sensitive, strong anti-interference performance, cost characteristics low and easy to maintenance.The utility model has been realized the purpose to the speed control of vehicles running on expressway.
Description of drawings
Fig. 1 is the system schematic of the utility model.
Fig. 2 is the theory diagram of the vehicle carried device in the utility model.
Fig. 3 is the theory diagram that the number in the utility model passes device.
Embodiment
The embedded ZigBee chip of vehicle carried device in the utility model as ZigBee network terminal node, is to simplify function device; Have the simple data transport function, the time carry out voice suggestion the driver near F-Zero and hypervelocity, every vehicle carried device has unique cognizance code; Can pass device with number communicates; Receive current position information, calculate this communication communicated by letter with last time between interior velocity information of time period, compare with F-Zero; The time carry out voice suggestion the driver near F-Zero and hypervelocity, will handle the gained information feedback and give number biography device.This vehicle carried device is provided at highway two-port place and is fed the vehicle on highway driver; The driver arrives from an end and verifies and be recovered when the other end leaves highway; System accesses its corresponding information record through the unique cognizance code of this vehicle carried device, judges that this car has or not the hypervelocity record in the highway way.Described vehicle carried device comprises control module, power module, ZigBee module, Anneta module and voice cue module, is electrically connected between each module, and connected mode is as shown in Figure 2.Wherein each module implementation method is following: the ZigBee module can adopt the CC2430 chip; Be used to set up the ZigBee cordless communication network; Pass devices with number on the way and communicate by letter, chip internal is integrated 51 kernels, RF transceiver, flash memory and SRAM, size is merely 7*7mm; Can satisfy with ZigBee is the 2.4GHz ISM wave band application on basis, sensitivity-92dBm.Control module directly adopts 51 integrated kernels of CC2430 chip internal can satisfy the functional requirement of vehicle carried device.Power supply can adopt the CR11108 size battery of cylinder upper surface face diameter 11.8mm, high 10.8mm, and antenna adopts the PCB antenna.Voice cue module adopts ISD1210, is used to point out driver's present speed near F-Zero or the information that exceeded the speed limit.Vehicle carried device transceive data process electric current 30mA, emissive power can make output power be-12dBm through the internal register of setting CC2430.One batteries can supply calling set to receive and send messages 86.4 ten thousand times.The prerequisite of systemic-function demand is satisfied in this design, low cost, low-power consumption and advantages of small volume.
Said number passes device and is provided with on the way, and 100 meters at interval, can place on the light pole, supply power by the street lamp power supply, road lamp power supply system; The ZigBee chip is contained in inside, as the routing node of this ZigBee self-organizing network, is a full-function device; Each number passes utensil has unique cognizance code, can pass device with other number and communicate by letter, and can communicate by letter with vehicle carried device; Can vehicle carried device be positioned according to RSSI receiving communication signal intensity, for vehicle carried device is passed on current location information.And the positional information of vehicle carried device and time information corresponding and vehicle carried device are handled the gained information feedback pass device for number to transmit and transfer to Center For Information Management.Described number passes device and comprises control module, power module, ZigBee module, and data processing module and Anneta module are electrically connected between each module, and connected mode is as shown in Figure 3.Wherein each module implementation method is following: control module adopts MSP430, is used for controlling the work that number passes other modules of device; Power module adopts electric pressure converter by road lamp system electric energy to be provided, and is used to number and passes that each module provides energy in the devices; The ZigBee module adopts the CC2430 chip, is used to set up the ZigBee cordless communication network, communicates by letter with vehicle carried device in the way.
Said Center For Information Management is positioned at the expressway entrance and exit place; Form by ZigBee full-function device and computing machine and PRN device; Receive positional information that number passes each vehicle that goes on the highway that device transmits, constantly corresponding and information such as whether exceed the speed limit, the line item of going forward side by side.When vehicle rolled expressway exit away from and verifies, Center For Information Management accessed the pairing information of this vehicle carried device, judged in view of the above whether this car is violating the regulations, and printed the handled result automatically.Center For Information Management can adopt large-capacity storage media (like the 5TB portable hard drive) to store this section turnpike driving information, so that relevant department carries out the correlation study evidence obtaining.
Claims (4)
- One kind based on ZigBee technology the wireless velocity-measuring system of highway; Comprise that vehicle carried device, number pass device and Center For Information Management three parts, is characterized in that: vehicle carried device, number pass device and Center For Information Management three wireless connections, use the ZigBee technology and constitute wireless, autonomous communications network; Adopt tree bunch topological structure; Work in ISM band, system can position the vehicle of running on expressway and test the speed, and judges whether it has act of violating regulations.
- 2. as claimed in claim 1 a kind of based on ZigBee technology the wireless velocity-measuring system of highway; It is characterized in that: the embedded ZigBee chip of said vehicle carried device; Be the terminal node of this ZigBee self-organizing network, each vehicle carried device has unique cognizance code, is to simplify function device; Can pass devices with number and communicate, and have the control module data to carry out data processing and voice cue module is carried out voice suggestion to the driver.
- 3. as claimed in claim 1 a kind of based on ZigBee technology the wireless velocity-measuring system of highway, it is characterized in that: said number passes devices and is provided with on the way, can place on the light pole; By the power supply of street lamp power supply, road lamp power supply system, be embedded with the ZigBee chip, be the routing node of this ZigBee self-organizing network; Each number passes utensil has unique cognizance code, is a full-function device, can pass device with other number and communicate by letter; Can communicate by letter with vehicle carried device; Can vehicle carried device be positioned according to RSSI receiving communication signal intensity, and the positional information of vehicle carried device and time information corresponding and vehicle carried device are handled the gained information feedback pass device for number to transmit and transfer to Center For Information Management.
- 4. as claimed in claim 1 a kind of based on ZigBee technology the wireless velocity-measuring system of highway; It is characterized in that: said Center For Information Management is positioned at the expressway entrance and exit place; Form by ZigBee full-function device and computing machine and PRN device; Receive positional information that number passes each vehicle that goes on the highway that device transmits, constantly corresponding and information such as whether exceed the speed limit, the line item of going forward side by side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205184817U CN202502622U (en) | 2011-12-10 | 2011-12-10 | Wireless highway speed measuring system based on ZigBee technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205184817U CN202502622U (en) | 2011-12-10 | 2011-12-10 | Wireless highway speed measuring system based on ZigBee technology |
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| Publication Number | Publication Date |
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| CN202502622U true CN202502622U (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205184817U Expired - Fee Related CN202502622U (en) | 2011-12-10 | 2011-12-10 | Wireless highway speed measuring system based on ZigBee technology |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513407A (en) * | 2016-01-05 | 2016-04-20 | 西安邮电大学 | Highway traffic abnormal event early warning method based on NFC and system thereof |
| CN105679078A (en) * | 2014-11-17 | 2016-06-15 | 上海五零盛同信息科技有限公司 | Vehicle localization system in city |
| CN108376474A (en) * | 2018-05-17 | 2018-08-07 | 张珊珊 | Emergency Vehicle Lane parking automatic alarm system based on ZigBee positioning and data transmission |
| CN109255964A (en) * | 2018-10-11 | 2019-01-22 | 深圳市亿兆互联技术有限公司 | Vehicle speed measuring method and system based on LoRa wisdom street lamp |
| CN112419719A (en) * | 2020-11-18 | 2021-02-26 | 济南北方交通工程咨询监理有限公司 | Method and system for evaluating traffic operation safety of highway |
-
2011
- 2011-12-10 CN CN2011205184817U patent/CN202502622U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679078A (en) * | 2014-11-17 | 2016-06-15 | 上海五零盛同信息科技有限公司 | Vehicle localization system in city |
| CN105513407A (en) * | 2016-01-05 | 2016-04-20 | 西安邮电大学 | Highway traffic abnormal event early warning method based on NFC and system thereof |
| CN108376474A (en) * | 2018-05-17 | 2018-08-07 | 张珊珊 | Emergency Vehicle Lane parking automatic alarm system based on ZigBee positioning and data transmission |
| CN109255964A (en) * | 2018-10-11 | 2019-01-22 | 深圳市亿兆互联技术有限公司 | Vehicle speed measuring method and system based on LoRa wisdom street lamp |
| CN112419719A (en) * | 2020-11-18 | 2021-02-26 | 济南北方交通工程咨询监理有限公司 | Method and system for evaluating traffic operation safety of highway |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20131210 |