CN201951394U - Automobile turning anticollision and alarm device based on ultrasonic wave - Google Patents
Automobile turning anticollision and alarm device based on ultrasonic wave Download PDFInfo
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- CN201951394U CN201951394U CN2010206363650U CN201020636365U CN201951394U CN 201951394 U CN201951394 U CN 201951394U CN 2010206363650 U CN2010206363650 U CN 2010206363650U CN 201020636365 U CN201020636365 U CN 201020636365U CN 201951394 U CN201951394 U CN 201951394U
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Abstract
The utility model provides an automobile turning anticollision and alarm device based on ultrasonic waves, which comprises a power supply, an alarm module, a single-chip microcomputer, a left supersonic wave conversion module, a left ultrasonic wave receiving module, a right ultrasonic wave conversion module and a right ultrasonic wave receiving module. The left supersonic wave conversion module and the right ultrasonic wave conversion module are respectively connected with the single-chip microcomputer via a converting circuit. The left supersonic wave receiving module and the right ultrasonic wave receiving module are respectively connected with the single-chip microcomputer via a receiving circuit. The alarm module is connected with the single-chip microcomputer and the power supply is also connected with the single-chip microcomputer. According to the device of the utility model, the condition behind a vehicle is detected by sending and receiving ultrasonic waves, that is, whether non-vehicle factors are existed behind a vehicle or not is detected by the device, such as pedestrians and bicycles. Therefore, the anticollision alarm for the auxiliary driving of vehicles and the short-distance detection are realized. The device also has the advantages of high sensitivity, low cost and accurate alarming.
Description
Technical field
The utility model belongs to the ultrasonic applications field, is specifically related to a kind of based on hypracoustic automobile turning proximity-warning device.
Background technology
Along with the progress in epoch, people's spirit and material life quality all significantly promote, and automobile has progressed into common people house, and the speed of a motor vehicle is also in continuous improve.Car collision is thrusted into, and hits thing and happens occasionally.When automobile turning, whether chaufeur has non-vehicle factor such as pedestrian or bicycle to exist after judging car with range estimation or by optical mirror entirely, and the distance of obstacle distance vehicle body, there is the blind area in driver's vision, also error in judgement can appear, particularly evident during the automobile right-hand corner, be easy to cause traffic accident, so safe reliability is poor.
At present, the research that the driver assistance aspect of automobile is carried out has also obtained many achievements, and as tailstock radar detection collision avoidance system and camera collision avoidance system etc., but non-vehicle factor such as car pedestrian or bicycle is studied during seldom at automobile turning.In the actual driving procedure, because vehicle reflector can only provide vehicle back part situation, especially when right-hand corner, the blind area can appear on the rear view of vehicle right side, whether chaufeur has non-vehicle factor such as pedestrian or bicycle to exist after can not correctly judging car, and the collision that takes place is of common occurrence, even causes serious consequence.Therefore, study a kind of automobile turning proximity-warning device, during to automobile turning behind the car non-vehicle factor survey, the safety and the unobstructed of highway communication of bondsman's car had great importance.
Summary of the invention
Defective or deficiency for above-mentioned prior art existence, the purpose of this utility model is, provide a kind of based on hypracoustic automobile turning proximity-warning device, the utilization of this device transmits and receives the hypracoustic mode and surveys automobile rear situation, judge whether vehicle back has non-vehicle factor such as pedestrian or bicycle to exist, thereby realize the collision-proof alarm of automobile assistant driving.The utility model closely judges, and is highly sensitive, cost is low, warning is accurate.
In order to achieve the above object, be achieved by the following technical programs:
A kind of based on hypracoustic automobile turning proximity-warning device, comprise power supply and alarm module, it is characterized in that, also comprise micro controller system, left side super sonic modular converter, left side super sonic receiver module, right side super sonic modular converter, right side super sonic receiver module, left-side switch and right-side switch; Described left-side switch all is connected micro controller system and power supply with right-side switch, by being connected between left-side switch and right-side switch opened/closed power supply and the micro controller system; Described left side super sonic modular converter, right side ultrasonic wave module link to each other with micro controller system by change-over circuit respectively, described left side super sonic receiver module, right side super sonic receiver module link to each other with micro controller system by acceptor circuit respectively, and described alarm module is connected with micro controller system; Described power supply links to each other with micro controller system.
The utility model also comprises following other technologies feature:
Described micro controller system adopts the AT89C2051 micro controller system.
Described power supply adopts 5V rechargeable type power supply.
Described left side super sonic modular converter and right side super sonic modular converter are formed by ultrasonic oscillator and ultrasonic emitting probe two parts.
Described left side super sonic receiver module and right side super sonic receiver module all adopt the infrared ray detection to receive special chip CX20106A.
Described alarm module is a sounding component.
Described sounding component adopts buzzer phone.
The utility model is according to non-information of vehicles such as car pedestrian that super sonic detected or bicycles, judge that the vehicle back factor whether influential car is turned exists, and then the prevention that chaufeur carries out driver assistance reported to the police, remind the turning opportunity of chaufeur Control of Automobile.The utlity model has following characteristics: easy to make, circuit is simple, and speed of response is fast, precise control, and cost is low etc.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the scheme of installation of sensor assembly.
Fig. 3 is the power circuit scheme drawing in the utility model.
The specific embodiment
With reference to Fig. 1, of the present utility model based on hypracoustic automobile turning proximity-warning device, comprise power supply and alarm module, also comprise micro controller system, left side super sonic modular converter, left side super sonic receiver module, right side super sonic modular converter, right side super sonic receiver module, left-side switch and right-side switch; Described left-side switch all is connected micro controller system and power supply with right-side switch, by being connected between left-side switch and right-side switch opened/closed power supply and the micro controller system; Described left side super sonic modular converter, right side ultrasonic wave module link to each other with micro controller system by change-over circuit respectively, described left side super sonic receiver module, right side super sonic receiver module link to each other with micro controller system by acceptor circuit respectively, described alarm module is connected with micro controller system, described alarm module is a sounding component, and this sounding component adopts buzzer phone.
The component part of above-mentioned device and the annexation between the each several part are my understanding to Fig. 1, if it is wrong, please contrast the accompanying drawing correction, respective figure also has left-side switch and right-side switch, please their connection situations in this device is joined the text description part.
In addition, if hereinafter wrong, please revise with red to the description of other connection mode of this device and workflow.
Described micro controller system adopts the AT89C2051 micro controller system.
Described power supply adopts 5V rechargeable type power supply, and this power supply links to each other with micro controller system.
Described left side super sonic modular converter and right side super sonic modular converter are formed by ultrasonic oscillator and ultrasonic emitting probe two parts.The ultrasonic probe model is CSB40T, produces ultrasonic signal by the vibration of 555 time-base integrated circuits in the ultrasonic oscillator, can realize the adjusting of s-f by 555 time-base integrated circuit chip pins, 7 external adjustable resistances.Produce vibration at the external circuits two ends of ultrasonic oscillator and make ultrasonic probe emission super sonic.The AT89C2051 micro controller system required 40KHz square-wave signal of P1.7 port output ultrasonic wave modular converter, control the vibration of 555 time-base integrated circuits and produce the 40KHz ultrasonic signal, export actuator to by output pin 3, ultrasonic emitting probe emission super sonic after driver drives.
Described left side super sonic receiver module and right side super sonic receiver module all adopt the infrared ray detection to receive special chip CX20106A.CX20106A finishes the functions such as amplification, amplitude limit, bandpass filtering, peak detection and wave shaping of signal.The CX20106A integrated circuit is the vision receiver infrared remote control receiver that Sony corporation of Japan is produced, bandpass filter central frequency P0 be 30KHz to 60KHz, by regulating the outer meeting resistance of its chip 5 pin, the central frequency of bandpass filter is arranged on 40kHz.The super sonic receiver module is the output weak voltage when receiving remote reflected signal, obtains higher gain by preamplifier, and amplifier can not transship when closely incoming signal is strong.Output pin 7 is directly received on the P1.6 port of AT89C2051 micro controller system.
With reference to Fig. 2, right side super sonic modular converter, right side super sonic receiver module, switch, power supply and micro controller system are installed on right side, car rear portion; In left side, car rear portion super sonic modular converter, left side super sonic receiver module and switch are installed; The left steering lamp of automobile is connected left-side switch, and the right steering lamp of automobile connects right-side switch, and switch control the utility model of opening by the steering indicating light of a corresponding side in the automobile turning proximity-warning device of a corresponding side starts.
As shown in Figure 3, in actual applications, device of the present utility model is connected by the steering indicating light of left-side switch, the corresponding side with automobile of right-side switch; The steering indicating light of automobile and turn signal swich are controlled the switch between corresponding sidecar rear anti-crash warning and the power supply.When chaufeur is turned on the left steering lamp, the left-side switch closure, the left side circuit power is connected, and this device is started working; When chaufeur is turned on the right steering lamp, the right-side switch closure, the right side circuit power is connected, and this device is started working.
The P1.7 port of AT89C2051 micro controller system links to each other with the super sonic modular converter, and to super sonic conversion module output 40KHz square-wave signal, the ultrasonic emitting module is launched super sonic by the P1.7 port.The ultrasonic reception module links to each other with micro controller system P1.6 port; And according to reflected signal to the micro controller system input voltage signal.Micro controller system sends control signal according to the voltage signal of receiving to alarm unit; The P2.7 port of micro controller system links to each other with the sounding module, and control sounding module sends warning signal.
Working process of the present utility model is as follows: when chaufeur will be turned, open corresponding left steering lamp or right hand steering lamp, at this moment, with left-side switch or the right-side switch closure of the steering indicating light that is unlocked at homonymy, native system starts, micro controller system P1.7 port sends the 40KHz square-wave signal to the super sonic modular converter of homonymy, vibration produces ultrasonic signal to square-wave signal through 555 time-base integrated circuits, through driver drives ultrasonic emitting probe emission super sonic, the super sonic receiver module of homonymy receives non-vehicle factor reflected signals such as car descendant and bicycle in real time, when the ultrasonic reflections signal that conforms to the bandpass filter central frequency turns back to the super sonic receiver module, low level of output pin 7 outputs of super sonic receiver module, micro controller system P1.6 port becomes low level by high level, this moment P2.7, also output low level, this moment, the sounding component of alarm module was triggered, and alarm unit touches sounding component according to the control signal that receives and reports to the police.
To sum up, micro controller system receives non-vehicle factor information such as the rear view of vehicle people of left side and right side super sonic receiver module transmission and bicycle in real time, and these information are judged fast and accurately, run into abnormal condition, timely control signal after alarm unit output is handled, prevention when realizing automobile turning is reported to the police, and reminds chaufeur suitable turning opportunity.
Claims (7)
1. one kind based on hypracoustic automobile turning proximity-warning device, comprise power supply and alarm module, it is characterized in that, also comprise micro controller system, left side super sonic modular converter, left side super sonic receiver module, right side super sonic modular converter, right side super sonic receiver module, left-side switch and right-side switch; Described left-side switch all is connected micro controller system and power supply with right-side switch, by being connected between left-side switch and right-side switch opened/closed power supply and the micro controller system; Described super sonic modular converter, right side ultrasonic wave module link to each other with micro controller system by change-over circuit respectively, described left side super sonic receiver module, right side super sonic receiver module link to each other with micro controller system by acceptor circuit respectively, and described alarm module is connected with micro controller system; Described power supply links to each other with micro controller system.
2. as claimed in claim 1ly it is characterized in that described micro controller system adopts the AT89C2051 micro controller system based on hypracoustic automobile turning proximity-warning device.
3. as claimed in claim 1ly it is characterized in that described power supply adopts 5V rechargeable type power supply based on hypracoustic automobile turning proximity-warning device.
4. as claimed in claim 1ly it is characterized in that described left side super sonic modular converter and right side super sonic modular converter are formed by ultrasonic oscillator and ultrasonic emitting probe two parts based on hypracoustic automobile turning proximity-warning device.
5. as claimed in claim 1ly it is characterized in that described left side super sonic receiver module and right side super sonic receiver module all adopt the infrared ray detection to receive special chip CX20106A based on hypracoustic automobile turning proximity-warning device.
6. as claimed in claim 1ly it is characterized in that based on hypracoustic automobile turning proximity-warning device described alarm module is a sounding component.
7. as claimed in claim 6ly it is characterized in that described sounding component adopts buzzer phone based on hypracoustic automobile turning proximity-warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206363650U CN201951394U (en) | 2010-12-01 | 2010-12-01 | Automobile turning anticollision and alarm device based on ultrasonic wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206363650U CN201951394U (en) | 2010-12-01 | 2010-12-01 | Automobile turning anticollision and alarm device based on ultrasonic wave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201951394U true CN201951394U (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206363650U Expired - Fee Related CN201951394U (en) | 2010-12-01 | 2010-12-01 | Automobile turning anticollision and alarm device based on ultrasonic wave |
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| CN (1) | CN201951394U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204101A (en) * | 2012-01-17 | 2013-07-17 | 同济大学 | Vehicle side radar running auxiliary system |
| CN104369710A (en) * | 2014-11-28 | 2015-02-25 | 蒙政涛 | Barrier warning device for intelligent vehicle turning |
| CN104648536A (en) * | 2014-12-17 | 2015-05-27 | 柳州职业技术学院 | Side collision prevention alarming device for electric vehicle |
-
2010
- 2010-12-01 CN CN2010206363650U patent/CN201951394U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103204101A (en) * | 2012-01-17 | 2013-07-17 | 同济大学 | Vehicle side radar running auxiliary system |
| CN103204101B (en) * | 2012-01-17 | 2015-06-03 | 同济大学 | Vehicle side radar running auxiliary system |
| CN104369710A (en) * | 2014-11-28 | 2015-02-25 | 蒙政涛 | Barrier warning device for intelligent vehicle turning |
| CN104648536A (en) * | 2014-12-17 | 2015-05-27 | 柳州职业技术学院 | Side collision prevention alarming device for electric vehicle |
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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: 20110831 Termination date: 20111201 |