CN203063690U - Vehicle-mounted vehicle speed wireless transceiver - Google Patents

Vehicle-mounted vehicle speed wireless transceiver Download PDF

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Publication number
CN203063690U
CN203063690U CN 201220680887 CN201220680887U CN203063690U CN 203063690 U CN203063690 U CN 203063690U CN 201220680887 CN201220680887 CN 201220680887 CN 201220680887 U CN201220680887 U CN 201220680887U CN 203063690 U CN203063690 U CN 203063690U
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China
Prior art keywords
vehicle
wireless
speed
speed limit
information
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Expired - Fee Related
Application number
CN 201220680887
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Chinese (zh)
Inventor
袁培佩
郭昭
刘卓凡
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Changan University
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Changan University
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Priority to CN 201220680887 priority Critical patent/CN203063690U/en
Application granted granted Critical
Publication of CN203063690U publication Critical patent/CN203063690U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Mobile Radio Communication Systems (AREA)

Abstract

The utility model discloses a vehicle-mounted vehicle speed wireless transceiver comprising a speed limiting single chip microcomputer and a vehicle-mounted control single chip microcomputer, a speed limiting wireless transmitter installed on a speed limiting road segment inlet is connected with the speed limiting single chip microcomputer, the speed limiting wireless transmitter is connected with a speed limiting wireless receiver installed on a vehicle through wireless radio waves, the speed limiting wireless receiver and a vehicle sensor are connected with the input end of the vehicle-mounted control single chip microcomputer, the output end of the vehicle-mounted control single chip microcomputer is respectively connected with a vehicle information wireless transmitter, a displayer, a buzzer and an LED indicating lamp, and the vehicle information wireless transmitter is connected with a vehicle information wireless receiver installed in the traffic managing department through the wireless radio waves. The vehicle-mounted vehicle speed wireless transceiver can control the speed limiting information displaying and transmitting devices in a remote-control mode, information transferring among all the devices is achieved in a wireless communicating mode, timely and fast transferring among data of the vehicle, the road segment and the traffic managing department is achieved conveniently, and therefore the traffic managing department can handle traffic conditions timely.

Description

A kind of vehicle-mounted speed of a motor vehicle wireless transmitter
Technical field
The utility model belongs to field of automobile safety, is specifically related to a kind of onboard wireless transmit receive unit.
Background technology
Statistics show that all because joy riding causes, particularly overspeed of vehicle travels, and causes the arch-criminal of major traffic accidents especially in most traffic accident.
According to domestic and international traffic regulation, the automobile speed limit of in many zones, having travelled, the speed with the control automobile prevents and reduces the traffic accident of generation.At present, domestic and international more employing radar velocity measurement device carries out speed to the vehicle of driving over the speed limit in violation of rules and regulations and detects, and in conjunction with intercept, test the speed in the scene and measure such as punishment, restriction and punishment is the furious driving personnel in violation of rules and regulations, to guarantee the unblocked of road and to strengthen safety traffic.But these measures only are to have solved to the punishment afterwards of driving over the speed limit with to the educational problem of navigating mate but not do corresponding prevention in advance, when overspeed of vehicle travels, can't in time warn or remind it, be difficult to stop the generation of traffic accident, can't fundamentally solve the real-time detection of the running car speed of a motor vehicle and effectively control.
The scheme of in the prior art car speed being carried out real-time monitoring is: in the speed limit highway section speed-limiting messages cell site is set, at vehicle automatic speed measuring device is installed.Automatic speed measuring device on the car receives the speed-limiting messages from the speed-limiting messages cell site emission in roadside, detects the real-time speed of a motor vehicle of automobile simultaneously, and the two is compared, and reports to the police during hypervelocity, reminds and the warning automobile driver.Wherein major defect is that the information transmission between vehicle-mounted automatic speed measuring device and the highway section equipment is to adopt wireline interface mode or infrared transmission mode, must be closely the time could transmit violation data from automatic speed measuring device, be unfavorable for that vehicle peccancy hypervelocity data transmit quickly.
Summary of the invention
At the deficiency that prior art exists, the purpose of this utility model is, a kind of vehicle-mounted speed of a motor vehicle wireless transmitter that can realize long-distance transmissions is provided.
In order to realize above-mentioned task, the utility model adopts following technical scheme to be achieved:
A kind of vehicle-mounted speed of a motor vehicle wireless transmitter, comprise the speed limit micro controller system, the vehicle-mounted control micro controller system, the speed limit wireless launcher that is installed in speed limit highway section entrance links to each other with the speed limit micro controller system, the speed limit wireless launcher links to each other with speed limit wireless receiver on being installed in vehicle by radiowave, the speed limit wireless receiver links to each other with the input end of car speed sensor with the vehicle-mounted control micro controller system, the mouth of vehicle-mounted control micro controller system is connected with the information of vehicles wireless launcher respectively, telltale, buzzer phone and LED light, the information of vehicles wireless launcher links to each other with the information of vehicles wireless receiver that is installed in traffic control department by radiowave.
The utility model also has following technical characterstic:
Described speed limit micro controller system and vehicle-mounted control micro controller system all adopt the AT89S51 micro controller system.
Described speed limit wireless launcher, speed limit wireless receiver, information of vehicles wireless launcher and information of vehicles wireless receiver all adopt the nRF24L01 wireless transceiver chip.
The utility model adopts the speed-limiting messages projector to replace original static speed limit notice board, and its read-out not only can carry out the speed limit prompting, can also show management information or the various practical information such as announcement, weather, road conditions of traffic management system; Realize information transmission between each equipment in the mode of radio communication, be convenient to realize data between vehicle, highway section, the three of traffic control department in time, transmission fast, traffic control department can in time be handled.
Description of drawings
Fig. 1 is annexation scheme drawing of the present utility model.
Below in conjunction with drawings and Examples particular content of the present utility model is done explanation in further detail.
The specific embodiment
Below provide specific embodiment of the utility model, need to prove that the utility model is not limited to following specific embodiment, all equivalents of doing on present techniques scheme basis all fall into protection domain of the present utility model.
Defer to technique scheme, as shown in Figure 1, a kind of on-vehicle vehicle information wireless transceiving device, comprise the speed limit micro controller system, the vehicle-mounted control micro controller system, the speed limit wireless launcher that is installed in speed limit highway section entrance links to each other with the speed limit micro controller system, the speed limit wireless launcher links to each other with speed limit wireless receiver on being installed in vehicle by radiowave, the speed limit wireless receiver links to each other with the input end of car speed sensor with the vehicle-mounted control micro controller system, the mouth of vehicle-mounted control micro controller system is connected with the information of vehicles wireless launcher respectively, telltale, buzzer phone and LED light, the information of vehicles wireless transmission signal links to each other with the information of vehicles wireless receiver that is installed in traffic control department by radiowave.
The chief component of described car speed sensor is Hall switch and tachometer disc.Detecting the essence of the speed of a motor vehicle, is the tach signal of measuring with the proportional variation of the speed of a motor vehicle.Its tachometer disc is fixed on the wheel hub, puts a magnetic links then and place tachometer disc edge.
Described speed limit micro controller system and vehicle-mounted control micro controller system all adopt the AT89S51 micro controller system.
Described speed limit wireless launcher, speed limit wireless receiver, information of vehicles wireless launcher and information of vehicles wireless receiver all adopt the nRF24L01 wireless transceiver chip.Radio transmitting and receiving chip nRF24L01 is a monolithic radio frequency transceiving chip, works in 2.4~2.5GHzISM band limits.Functional modules such as its built-in modulator, frequency synthesizer, crystal oscillator, power amplifier have been integrated into the ShockBurst technology of enhancement mode simultaneously, make its communication channel and the horsepower output can be by being programmed into the line correlation configuration.The nRF24L01 chip comprises the pattern of two kinds of communications: burst mode (ShockBurst Mode) and Direct Model (Direct Mode).Principle with other traditional RF transceivers is the same, must add address code and check code by software form at sending end when using Direct Model, judges then that at receiving end it is the address of this machine, and the correctness of data transmission is checked.Burst mode then uses the stack area of the first-in first-out of chip internal, and the data of transmission can be admitted to by the microcontroller of low speed, and transmitted at high speed is gone out then, and its check code and address are then added automatically by hardware and removed.This pattern has following advantage: 1. its power consumption is very low; 2. can utilize the microcontroller of low speed to come the work of control chip; 3. transmitted at high speed radiofrequency signal is so its anti-jamming capacity is very strong; 4. can reduce the average working current of total system.So use the exclusive burst mode of nRF24L01 chip, namely can improve whole efficiency and the performance of total system.
Described telltale adopts LCD1602 character mode lcd telltale, is a kind of lattice type LCD that is exclusively used in displaying symbol, numeral, letter etc.
At the entrance in speed limit highway section speed limit micro controller system and speed limit wireless launcher are installed, speed limit Single-chip Controlling wireless launcher spatial emission towards periphery has the radiowave of speed-limiting messages.During normal vehicle operation, the speed signal of the real-time collection vehicle of car speed sensor, speed signal is passed to micro controller system, micro controller system is transferred to telltale with speed signal and shows, when vehicle travels to entrance, speed limit highway section, be installed in the radiowave that has speed-limiting messages that speed limit wireless receiver on the vehicle receives surrounding space, the speed limit wireless receiver passes to the vehicle-mounted control micro controller system with restricting signal, micro controller system is transferred to telltale with speed-limiting messages and shows, simultaneously micro controller system compares the restricting signal that vehicle velocity signal and the speed limit wireless receiver of speed sensor transmission collects, when car speed during greater than speed limit, Single-chip Controlling buzzer phone and LED alarm lamp carry out sound and light alarm, prompting chaufeur overspeed of vehicle, when car speed during greater than speed limit 20km/h, micro controller system sends control command to the information of vehicles wireless launcher, the information of vehicles wireless launcher sends the speed of a motor vehicle and the vehicle identity information of working as vehicle in front to the information of vehicles wireless receiver that is installed in traffic control department, is convenient to traffic control department and monitors in real time.

Claims (3)

1. vehicle-mounted speed of a motor vehicle wireless transmitter, it is characterized in that, comprise the speed limit micro controller system, the vehicle-mounted control micro controller system, the speed limit wireless launcher that is installed in speed limit highway section entrance links to each other with the speed limit micro controller system, the speed limit wireless launcher links to each other with speed limit wireless receiver on being installed in vehicle by radiowave, the speed limit wireless receiver links to each other with the input end of car speed sensor with the vehicle-mounted control micro controller system, the mouth of vehicle-mounted control micro controller system is connected with the information of vehicles wireless launcher respectively, telltale, buzzer phone and LED light, the information of vehicles wireless launcher links to each other with the information of vehicles wireless receiver that is installed in traffic control department by radiowave.
2. vehicle-mounted speed of a motor vehicle wireless transmitter as claimed in claim 1 is characterized in that, described speed limit micro controller system and vehicle-mounted control micro controller system all adopt the AT89S51 micro controller system.
3. vehicle-mounted speed of a motor vehicle wireless transmitter as claimed in claim 1 is characterized in that, described speed limit wireless launcher, speed limit wireless receiver, information of vehicles wireless launcher and information of vehicles wireless receiver all adopt the nRF24L01 wireless transceiver chip.
CN 201220680887 2012-12-11 2012-12-11 Vehicle-mounted vehicle speed wireless transceiver Expired - Fee Related CN203063690U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220680887 CN203063690U (en) 2012-12-11 2012-12-11 Vehicle-mounted vehicle speed wireless transceiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220680887 CN203063690U (en) 2012-12-11 2012-12-11 Vehicle-mounted vehicle speed wireless transceiver

Publications (1)

Publication Number Publication Date
CN203063690U true CN203063690U (en) 2013-07-17

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Application Number Title Priority Date Filing Date
CN 201220680887 Expired - Fee Related CN203063690U (en) 2012-12-11 2012-12-11 Vehicle-mounted vehicle speed wireless transceiver

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107908131A (en) * 2017-11-02 2018-04-13 云南昆钢电子信息科技有限公司 A kind of underworkings vehicle speed measuring device
CN110874949A (en) * 2018-08-29 2020-03-10 李德一 Device for facilitating vehicle to run at optimal running speed

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107908131A (en) * 2017-11-02 2018-04-13 云南昆钢电子信息科技有限公司 A kind of underworkings vehicle speed measuring device
CN110874949A (en) * 2018-08-29 2020-03-10 李德一 Device for facilitating vehicle to run at optimal running speed

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130717

Termination date: 20131211