CN202471963U - Visual reversing-radar system for electric automobile - Google Patents
Visual reversing-radar system for electric automobile Download PDFInfo
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- CN202471963U CN202471963U CN2012200733969U CN201220073396U CN202471963U CN 202471963 U CN202471963 U CN 202471963U CN 2012200733969 U CN2012200733969 U CN 2012200733969U CN 201220073396 U CN201220073396 U CN 201220073396U CN 202471963 U CN202471963 U CN 202471963U
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Abstract
The utility model discloses a visual reversing-radar system for an electric automobile, which belongs to the field of distance measurement by utilizing an acoustic emission principle. The visual reversing-radar system for the electric automobile comprises a central processor, an ultrasonic receiving-transmitting module, an image-acquiring device, a video-processing module, a display module, a voice-warning module, a temperature-measuring module and a power-supply module, wherein the ultrasonic receiving-transmitting module, the image-acquiring device, the video-processing module, the display module, the voice-warning module, the temperature-measuring module and the power-supply module are arranged at the periphery of the central processor; and the ultrasonic receiving-transmitting module is intercommunicated with the central processor, the output ends of the image-acquiring device, the temperature-measuring module and the power-supply module are respectively connected with the corresponding input ends of the central processor, the input ends of the video-processing module and the voice-warning module are respectively connected with the corresponding output ends of the central processor, and the output end of the video-processing module is connected with the input end of the display module. The visual reversing-radar system for the electric automobile has a simple structure, is convenient to install and not only can be used for providing the voice prompts of early reversing warning for drivers, but also can be used for providing video images, so that great convenience is provided for the reversing operation of the drivers, and the safety and the effectiveness of the reversing operation are also ensured.
Description
Technical field
The utility model belongs to and utilizes sound wave emissions principle range finding field, is specifically related to a kind of electric automobile video vehicle back radar system.
Background technology
Existing electric automobile backing system on the market mostly is the voice reminder pattern, through ultrasound wave pick out behind the car object distance through and through the distance of loudspeaker voice reminder driver apart from object.But and the concrete shape of indeterminate this object, attribute.
The utility model content
The technical matters that the utility model will solve provides a kind of simple in structure, multiple functional electric automobile video vehicle back radar system.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of electric automobile video vehicle back radar system comprises ultrasonic transmission/reception module, image collecting device, video processing module, display module, audio alert module, temperature-measuring module, power module that central processing unit is peripheral with being located at central processing unit; Said ultrasonic transmission/reception module and central processing unit two-way communication; The output terminal of said image collecting device, temperature-measuring module and power module is connected with the respective input of central processing unit respectively; The input end of said video processing module and audio alert module is connected with the corresponding output end of central processing unit respectively, and the output terminal of said video processing module is connected with the input end of display module.
Said ultrasonic transmission/reception module is more than one and is located at the afterbody of electric automobile; Said image collector is arranged in the afterbody of electric automobile; Said central processing unit, display module and audio alert module are located at electric automobile inside; Said temperature-measuring module is located at the outside of electric automobile.
Said ultrasonic transmission/reception module is made up of ultrasonic emitting/reception detecting device, ultrasonic transmit circuit and ultrasound wave receiving circuit; The input end of said ultrasonic transmit circuit links to each other with the corresponding output end of central processing unit, and its output terminal links to each other with the respective input of ultrasonic emitting/reception detecting device; The output terminal of said ultrasound wave receiving circuit links to each other with the respective input of central processing unit, and its input end links to each other with the corresponding output end of ultrasonic emitting/reception detecting device.
The beneficial effect that adopts technique scheme to obtain is: the utility model is simple in structure, easy for installation; The voice suggestion of reversing early warning can be provided for the driver; Again video image can be provided; For driver's car backing operation provides convenience, also guaranteed the security and the validity of car backing operation.
Description of drawings
Fig. 1 is the theory diagram of the utility model;
Fig. 2 is the ultrasonic transmit circuit figure of the utility model;
Fig. 3 is the ultrasound wave receiving circuit figure of the utility model;
Fig. 4 is the temperature-measuring module circuit diagram of the utility model
Fig. 5 is the power module circuitry figure of the utility model
Fig. 6 is the user mode synoptic diagram of the utility model one embodiment.
Embodiment
Know to shown in Figure 6 by Fig. 1; Electric automobile video vehicle back radar system comprises ultrasonic transmission/reception module, image collecting device, video processing module, display module, audio alert module, temperature-measuring module, power module that central processing unit is peripheral with being located at central processing unit; Said ultrasonic transmission/reception module and central processing unit two-way communication; The output terminal of said image collecting device, temperature-measuring module and power module is connected with the respective input of central processing unit respectively; The input end of said video processing module and audio alert module is connected with the corresponding output end of central processing unit respectively, and the output terminal of said video processing module is connected with the input end of display module; Said ultrasonic transmission/reception module is three and is located at the afterbody of electric automobile; Said image collector is arranged in the afterbody of electric automobile; Said central processing unit, display module and audio alert module are located at electric automobile inside; Said temperature-measuring module is located at the outside of electric automobile; Said ultrasonic transmission/reception module is made up of ultrasonic emitting/reception detecting device, ultrasonic transmit circuit and ultrasound wave receiving circuit; The input end of said ultrasonic transmit circuit links to each other with the corresponding output end of central processing unit, and its output terminal links to each other with the respective input of ultrasonic emitting/reception detecting device; The output terminal of said ultrasound wave receiving circuit links to each other with the respective input of central processing unit, and its input end links to each other with the corresponding output end of ultrasonic emitting/reception detecting device.
Power module converts the automobile electrical source into central processing unit used stabilized power source, guarantees the central processing unit operate as normal.
Temperature has considerable influence to hyperacoustic speed; Therefore temperature-measuring module is set; Central processing unit is gathered and sent to the temperature signal that electric automobile is belonged to environment; Central processing unit carries out overall treatment with this temperature signal and the signal of receiving from the ultrasonic transmission/reception module, to obtain accurate more information; Central processing unit is sent to temperature signal display module and it is shown as digital form, is convenient to the driver and understands the external temperature situation.
Hang up reverse gear begin the reversing after; This video vehicle back radar system opens automatically: central processing unit sends signal to ultrasonic transmit circuit; Ultrasonic transmit circuit is started working after receiving this signal, produces ultrasound wave, and sends through ultrasonic emitting/reception detecting device; , the ultrasound wave of launching to fire back after running into barrier; And received by the ultrasound wave receiving circuit through ultrasonic emitting/reception detecting device; Issue central processing unit with converting the accessible form of central processing unit after this ultrasonic Treatment to then, central processing unit calculates the distance of obstacle distance electric automobile and judges according to the mistiming that produces in its timer internal and hyperacoustic velocity of propagation and from the temperature signal that temperature-measuring module receives; If this distance then is left intact more than limiting distance; When distance was in limiting distance, central processing unit sent signal to the audio alert module, and audio alert module sounding has barrier in the preset distance behind the prompting driver car, and points out the distance of distance through the sound of different frequency.Meanwhile; Send to central processing unit after the situation collection after the image collecting device of installing behind the car is with car; Central processing unit sends to video processing module after this picture signal is dealt with slightly; Video processing module re-sends to display module after information is handled, and the driver just can observe the situation behind the car through display module like this, and according to the sound of image on the display module and audio alert module grasp astern direction, speed and with the distance of rear obstacle.
In the present embodiment, central processing unit adopts multiple functional type, and its model is: PXA270.The ultrasonic transmission/reception module is made up of ultrasonic transmit circuit, receiving circuit and ultrasonic emitting/reception detecting device.Ultrasonic transmit circuit adopts chip 74HC04 and peripheral circuit thereof to form, and the ultrasound wave receiving circuit adopts chip CX20106A and peripheral circuit thereof to form, and ultrasonic emitting/reception detecting device adopts the general ultrasonic emitting/receiving sensor of T/R-40-XX series.Temperature-measuring module adopts packaged temperature sensor chip, and its model is: DS18B20.Image collector is changed to camera, and model is: VK-C2001HBD.Video processing module adopts LMH0356 chip and peripheral circuit thereof.Display module adopts advanced LCD types to be: 35021S-X6.Power module adopts the LM2576 chip.The audio alert module adopts the M3720 chip to form.
The ultrasonic transmission/reception module is 3 in the present embodiment, can degree of accuracy as requested select the quantity of ultrasonic transmission/reception module and the position of setting.
Fig. 6 is the user mode figure of present embodiment, and in this figure, electric automobile is a family-sized car.
Claims (3)
1. an electric automobile video vehicle back radar system is characterized in that the ultrasonic transmission/reception module, image collecting device, video processing module, display module, audio alert module, temperature-measuring module, the power module that comprise that central processing unit is peripheral with being located at central processing unit; Said ultrasonic transmission/reception module and central processing unit two-way communication; The output terminal of said image collecting device, temperature-measuring module and power module is connected with the respective input of central processing unit respectively; The input end of said video processing module and audio alert module is connected with the corresponding output end of central processing unit respectively, and the output terminal of said video processing module is connected with the input end of display module.
2. electric automobile video vehicle back radar according to claim 1 system is characterized in that said ultrasonic transmission/reception module is more than one and is located at the afterbody of electric automobile; Said image collector is arranged in the afterbody of electric automobile; Said central processing unit, display module and audio alert module are located at electric automobile inside; Said temperature-measuring module is located at the outside of electric automobile.
3. electric automobile video vehicle back radar according to claim 1 and 2 system is characterized in that said ultrasonic transmission/reception module is made up of ultrasonic emitting/reception detecting device, ultrasonic transmit circuit and ultrasound wave receiving circuit; The input end of said ultrasonic transmit circuit links to each other with the corresponding output end of central processing unit, and its output terminal links to each other with the respective input of ultrasonic emitting/reception detecting device; The output terminal of said ultrasound wave receiving circuit links to each other with the respective input of central processing unit, and its input end links to each other with the corresponding output end of ultrasonic emitting/reception detecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200733969U CN202471963U (en) | 2012-03-01 | 2012-03-01 | Visual reversing-radar system for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200733969U CN202471963U (en) | 2012-03-01 | 2012-03-01 | Visual reversing-radar system for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202471963U true CN202471963U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200733969U Expired - Fee Related CN202471963U (en) | 2012-03-01 | 2012-03-01 | Visual reversing-radar system for electric automobile |
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| CN (1) | CN202471963U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001740A (en) * | 2018-06-20 | 2018-12-14 | 苏州工业园区职业技术学院 | A kind of car radar imaging system |
| CN110568443A (en) * | 2019-10-25 | 2019-12-13 | 珠海上富电技股份有限公司 | Ultrasonic ranging chip and ultrasonic ranging system |
-
2012
- 2012-03-01 CN CN2012200733969U patent/CN202471963U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001740A (en) * | 2018-06-20 | 2018-12-14 | 苏州工业园区职业技术学院 | A kind of car radar imaging system |
| CN110568443A (en) * | 2019-10-25 | 2019-12-13 | 珠海上富电技股份有限公司 | Ultrasonic ranging chip and ultrasonic ranging system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20121003 Termination date: 20180301 |