CN201583660U - Automobile auxiliary driving ultrasonic anti-collision device - Google Patents
Automobile auxiliary driving ultrasonic anti-collision device Download PDFInfo
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- CN201583660U CN201583660U CN2010200196334U CN201020019633U CN201583660U CN 201583660 U CN201583660 U CN 201583660U CN 2010200196334 U CN2010200196334 U CN 2010200196334U CN 201020019633 U CN201020019633 U CN 201020019633U CN 201583660 U CN201583660 U CN 201583660U
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- ultrasound wave
- chip microcomputer
- collision avoidance
- avoidance system
- automobile
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- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses an automobile auxiliary driving ultrasonic anti-collision device which comprises a singlechip, wherein an ultrasonic converting unit is connected with the singlechip by a converting circuit; an ultrasonic receiving unit is connected with the singlechip by a receiving circuit, an alarm unit is connected with the singlechip; a power supply is connected with the singlechip; the alarm unit comprises a light-emitting component and a sound production unit; and the light-emitting component and the sound production unit are respectively connected with the singlechip. The automobile auxiliary driving ultrasonic anti-collision device can be used for detecting the right side dead zone situation of an automobile by emitting and receiving ultrasonic wave so as to judge weather a barrier exists in front of the automobile, and uses the singlechip to control the starting of the alarm unit according to the received road surface information, thus realizing prevention alarm of automobile auxiliary driving. The device can be used for close-range judgment, and has the advantages of high sensitivity, low cost and accurate alarm.
Description
Technical field
The utility model belongs to the ultrasonic applications field, is specifically related to a kind of ultrasound wave collision avoidance system of automobile assistant driving.
Background technology
Along with the development of society, people's living standard is improving gradually, and the use of automobile is also more and more.Be used for from making of present automobile, the driver judges before and after the car with range estimation or by optical mirror whether barrier is arranged entirely when car steering, and the distance of obstacle distance vehicle body, and therefore safe reliability is poor when driving.
At present, there are a lot of mechanisms that the driver assistance aspect of automobile is studied, many achievements are also arranged, as tailstock radar detection collision avoidance system and camera collision avoidance system etc., but in the existing research, seldom be that the right side headstock direction with regard to the driver is studied when car steering, and in actual life, because vehicle reflector can only provide the situation of vehicle back, many times the driver can not effectively see vehicle front right side situation, therefore it is of common occurrence to take into account the collision that blind area, headstock right side takes place when driving owing to the driver, even causes serious consequence.Therefore, collision avoidance system is installed in blind area, automobile headstock right side, the unusual information of road surface that produces in the time of can be to running car prevents to report to the police, and to improving automobile running condition, the unobstructed of the safety of underwriter's car and highway communication has great importance.
Summary of the invention
For fear of defective of the prior art or deficiency, the purpose of this utility model is, a kind of ultrasound wave collision avoidance system of automobile assistant driving is provided, utilization transmits and receives hyperacoustic mode and surveys blind area, automobile right side situation, judge whether the vehicle front has barrier, thereby the prevention that realizes automobile assistant driving is reported to the police.The utility model closely judges, and is highly sensitive, cost is low, warning is accurate.
To achieve these goals, the utility model adopts following technical scheme to be achieved:
A kind of ultrasound wave collision avoidance system of automobile assistant driving, comprise single-chip microcomputer, and the power supply that is connected with single-chip microcomputer, it is characterized in that, described single-chip microcomputer also is connected with ultrasound wave converting unit, ultrasound wave receiving element and alarm unit, the ultrasound wave converting unit links to each other with single-chip microcomputer by change-over circuit, and the ultrasound wave receiving element links to each other with single-chip microcomputer by receiving circuit.
The utility model also comprises following other technologies feature, and described alarm unit comprises light-emitting component and sounding component, and described luminescence unit links to each other with single-chip microcomputer respectively with phonation unit.
Described single-chip microcomputer adopts AVR single chip computer AT MEGA16.
Described ultrasound wave receiving element adopts the infrared receiving chip of CX20106A.
Described ultrasound wave converting unit comprises ultrasonic oscillator and ultrasonic emitting probe.
Described ultrasound wave receives with transmitter unit and is installed in headlight place, vehicle right front.
Described sounding component adopts hummer.
Described light-emitting component adopts LED.
The utility model judges according to the information of the headstock front that ultrasound wave detected whether the vehicle front has barrier, thereby to the prevention warning that the driver carries out driver assistance, reminds travelling of driver's Control of Automobile.The utlity model has easy to makely, circuit is simple, response fast, precise control, characteristics such as cost is low.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the scheme of installation of sensor unit.
The utility model is further explained below in conjunction with embodiment.
Embodiment
With reference to Fig. 1, the ultrasound wave collision avoidance system of automobile assistant driving of the present utility model, comprise single-chip microcomputer, ultrasound wave converting unit, ultrasound wave receiving element and alarm unit, the ultrasound wave converting unit links to each other with single-chip microcomputer by change-over circuit, the ultrasound wave receiving element links to each other with single-chip microcomputer by receiving circuit, alarm unit links to each other with single-chip microcomputer, and the 5V power supply links to each other with single-chip microcomputer; Alarm unit comprises light-emitting component and sounding component, and this luminescence unit, phonation unit link to each other with single-chip microcomputer respectively, and light-emitting component adopts LED, and sounding component adopts hummer;
The ATMEGA16 single-chip microcomputer that single-chip microcomputer adopts Atmel company to produce.
The ultrasound wave converting unit adopts TCT40-01 series ultrasound wave modular converter, comprises ultrasonic oscillator and ultrasonic emitting probe two parts.The emission ultrasound wave need produce vibration at the external circuits two ends of ultrasonic oscillator, the ultrasonic emitting probe can be launched, the single-chip microcomputer required 40KHz square-wave signal of P1.1 port output ultrasonic wave conversion unit, square-wave signal produces vibration at the external circuits two ends of ultrasonic oscillator after treatment, and the waveform at ultrasonic emitting probe two ends is similar to square wave.
The ultrasound wave receiving element adopts the infrared receiving chip of CX20106A, and CX20106A is an integrated component.CX20106A receives ultrasound wave and has high sensitivity and antijamming capability, satisfies to receive requirement, and simultaneously, the use integrated circuit can reduce the interference between the circuit, reduces electrical noise.Prime amplifier wherein has from gain control function, can guarantee that prime amplifier has higher gain when ultrasound wave receiving element receiving range reflected signal output at a distance weak voltage, and amplifier can not transship when closely input signal is strong; The centre frequency of its bandpass filter can be regulated by the outer meeting resistance of its chip 5 pin, the centre frequency of bandpass filter is arranged on 40kHz, can reaches good effect, do not need external other electron component, can avoid the interference of external magnetic field to circuit, reliability is higher.When receiving the signal that conforms to the bandpass filter centre frequency, low level of output pin 7 outputs of ultrasound wave receiving element.Output pin 7 is directly received on the P1.2 port of ATMEGA16.
The P1.1 port of single-chip microcomputer links to each other with the ultrasound wave converting unit, and to ultrasound wave conversion unit output 40KHz square-wave signal, the P1.2 port links to each other with the ultrasonic reception unit single-chip microcomputer by the P1.1 port; When the ultrasound wave receiving element turned back to single-chip microcomputer, the P1.2 port became low level by high level as ultrasound wave; The P2.1 port of single-chip microcomputer links to each other with sounding component, the P2.2 port links to each other with light-emitting component.
In the practical application, the course of work of the present utility model is as follows: in the vehicle traveling process, device starts, single-chip microcomputer is to ultrasound wave conversion unit output 40KHz square-wave signal, square-wave signal is handled the back through the two-way phase inverter and is produced vibration at the external circuits two ends of ultrasonic oscillator, ultrasonic emitting probe emission ultrasound wave, the ultrasound wave receiving element receives road road reflection signal in real time, and according to reflected signal to the single-chip microcomputer output voltage signal, single-chip microcomputer sends control signal according to the voltage signal of receiving to alarm unit, as ultrasound wave when the ultrasound wave receiving element turns back to single-chip microcomputer, the P1.2 port becomes low level by high level, when the P1.2 of single-chip microcomputer port becomes low level by high level, P2.1, P2.2 also distinguishes output low level, this moment, the light-emitting component and the sounding component of alarm unit were triggered, and alarm unit touches light-emitting component according to the control signal that receives and sounding component is reported to the police;
To sum up, single-chip microcomputer receives the pavement of road information that the ultrasound wave receiving element is sent in real time, and these information are judged fast and accurately, runs into abnormal conditions, timely control signal after alarm unit output is handled, thus the prevention that realizes automobile assistant driving is reported to the police.
With reference to Fig. 2, ultrasound wave conversion element and ultrasound wave receiving element are installed in headlight place, automobile headstock right side.
Claims (8)
1. the ultrasound wave collision avoidance system of an automobile assistant driving, comprise single-chip microcomputer, and the power supply that is connected with single-chip microcomputer, it is characterized in that, described single-chip microcomputer also is connected with ultrasound wave converting unit, ultrasound wave receiving element and alarm unit, the ultrasound wave converting unit links to each other with single-chip microcomputer by change-over circuit, and the ultrasound wave receiving element links to each other with single-chip microcomputer by receiving circuit.
2. the ultrasound wave collision avoidance system of automobile assistant driving as claimed in claim 1 is characterized in that, described alarm unit comprises light-emitting component and sounding component, and described luminescence unit, phonation unit link to each other with single-chip microcomputer respectively.
3. the ultrasound wave collision avoidance system of automobile assistant driving as claimed in claim 1 is characterized in that, described single-chip microcomputer adopts AVR single chip computer AT MEGA16.
4. the ultrasound wave collision avoidance system of automobile assistant driving as claimed in claim 1 is characterized in that, described ultrasound wave receiving element adopts the infrared receiving chip of CX20106A.
5. the ultrasound wave collision avoidance system of automobile assistant driving as claimed in claim 1 is characterized in that, described ultrasound wave converting unit comprises ultrasonic oscillator and ultrasonic emitting probe.
6. the ultrasound wave collision avoidance system of automobile assistant driving as claimed in claim 1 is characterized in that, described ultrasound wave receives with transmitter unit and is installed in headlight place, vehicle right front.
7. the ultrasound wave collision avoidance system of automobile assistant driving as claimed in claim 1 is characterized in that, described sounding component adopts hummer.
8. the ultrasound wave collision avoidance system of automobile assistant driving as claimed in claim 1 is characterized in that, described light-emitting component adopts LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200196334U CN201583660U (en) | 2010-01-05 | 2010-01-05 | Automobile auxiliary driving ultrasonic anti-collision device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200196334U CN201583660U (en) | 2010-01-05 | 2010-01-05 | Automobile auxiliary driving ultrasonic anti-collision device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201583660U true CN201583660U (en) | 2010-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200196334U Expired - Fee Related CN201583660U (en) | 2010-01-05 | 2010-01-05 | Automobile auxiliary driving ultrasonic anti-collision device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201583660U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393521A (en) * | 2011-12-03 | 2012-03-28 | 龙德英 | Automatic alarm system for vehicle crash prevention |
| CN107290749A (en) * | 2017-06-16 | 2017-10-24 | 东华大学 | A kind of SCM Based ultrasonic ranging system |
| CN109606257A (en) * | 2018-11-23 | 2019-04-12 | 电子科技大学成都学院 | A kind of automobile assistant driving system based on ultrasound examination |
-
2010
- 2010-01-05 CN CN2010200196334U patent/CN201583660U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393521A (en) * | 2011-12-03 | 2012-03-28 | 龙德英 | Automatic alarm system for vehicle crash prevention |
| CN107290749A (en) * | 2017-06-16 | 2017-10-24 | 东华大学 | A kind of SCM Based ultrasonic ranging system |
| CN109606257A (en) * | 2018-11-23 | 2019-04-12 | 电子科技大学成都学院 | A kind of automobile assistant driving system based on ultrasound examination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100915 Termination date: 20110105 |