CN102689610A - Method and device for displaying back up video by virtue of vehicle-mounted Android platform - Google Patents
Method and device for displaying back up video by virtue of vehicle-mounted Android platform Download PDFInfo
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- CN102689610A CN102689610A CN2012102012786A CN201210201278A CN102689610A CN 102689610 A CN102689610 A CN 102689610A CN 2012102012786 A CN2012102012786 A CN 2012102012786A CN 201210201278 A CN201210201278 A CN 201210201278A CN 102689610 A CN102689610 A CN 102689610A
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Abstract
The invention discloses a device for displaying back up video by virtue of a vehicle-mounted Android platform, and aims at providing a device capable of transplanting an Android system to a vehicle so as to ensure that the vehicle to which the Android system is transplanted has a back up display function. The device comprises a back up detection module, a back up camera, an Android device, and an LCD (liquid crystal display), wherein the back up detection module is used for detecting whether the vehicle is in a back up gear and sending a back up command when the vehicle is in the back up gear; the back up camera is used for acquiring a back up video; the Android device is connected with the back up detection module and the back cup camera and is used for controlling the back up camera to acquire the back up video according to the back up command, processing the acquired video into a progressive signal and then outputting the progressive signal; and the LCD is connected with the Android system and is used for displaying the progressive signal output after processing of the Android system. The device disclosed by the invention can be used in vehicle back up display.
Description
Technical field
The present invention relates to vehicle-mounted Android platform, especially relate to method and device that a kind of vehicle-mounted Android platform shows the reversing video.
Background technology
Along with popularizing of automobile, people also require increasingly high to the intellectuality and the interactivity of automobile.Lean on back mirror during such as reversing in the past, and basically only need watch the LCD of console just can easily accomplish now.Will be to automobile the most popular at present Android system transplantation, this function of obviously moveing backward must have, however the Android system is a system that is directed to mobile phone, the Presentation Function of not moveing backward.
Summary of the invention
The present invention provides a kind of vehicle-mounted Android platform to show the method and the device of reversing video in order to solve prior art with do not move backward to the automobile the technical matters of Presentation Function of Android system transplantation.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is the device of a kind of vehicle-mounted Android platform demonstration reversing video of design, comprising:
The reversing detection module, it detects automobile and whether is in reverse, and when being in reverse, sends a reversing instruction;
The reversing camera, the video when it gathers reversing;
With said reversing detection module and reversing camera bonded assembly Android equipment, its video during according to the said reversing camera collection reversing of said reversing instruction control, and export after the video processing of said collection become progressive signal;
With said Android equipment bonded assembly LCD, it shows the progressive signal of exporting after the said Android device processes.
Said Android equipment comprises:
With said reversing detection module bonded assembly CPU, it is used for control and receives said reversing instruction;
With said CPU and reversing camera bonded assembly A/D modular converter, its video that will move backward the video acquisition module collection converts digital signal to;
With said A/D modular converter bonded assembly memory device, the digital signal after the conversion of its storage A/D modular converter;
With said memory device bonded assembly conversion module, it changes into the progressive signal that can on LCD, show with stored numbers signal in the memory device;
With said conversion module and LCD bonded assembly video memory, the progressive signal after its storage conversion module transforms.
Said memory device is the DDR internal memory of Android equipment.
The present invention also provides a kind of vehicle-mounted Android platform to show the method for reversing video, comprising:
Detect the gear of automobile, and when automobile is in reverse, send a reversing and instruct to Android equipment;
Video when Android equipment is moveed backward according to said reversing instruction control reversing camera collection;
The output progressive signal shows to LCD after the video processing after Android equipment will be gathered.
Said processing comprises:
Convert the video of gathering to digital signal through A/D;
Digital signal after the storage A/D conversion;
The stored numbers signal is changed into the progressive signal that can on LCD, show;
The said progressive signal of storage in video memory.
Adopt the digital signal after DDR memory A/D changes.
Whether the present invention is in reverse through utilizing the reversing detection module to detect automobile, and when being in reverse, sends a reversing instruction; Video when Android equipment is moveed backward according to said reversing instruction control reversing camera collection, and be presented on the LCD after the video processing with said collection.Thereby can be to automobile, and make the automobile after the transplanting have the reversing Presentation Function with Android system transplantation with good man-machine interaction.The present invention makes full use of its correlation function of opening expansion of Android, makes its field of application more extensive.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the present invention is elaborated, wherein:
Fig. 1 is the structure principle chart that the vehicle-mounted Android platform of the present invention shows the device of reversing video;
Fig. 2 is the principle flow chart that the vehicle-mounted Android platform of the present invention shows the method for reversing video;
Fig. 3 is the method one specific embodiment diagram of circuit that the vehicle-mounted Android platform of the present invention shows the reversing video.
The specific embodiment
See also Fig. 1.The vehicle-mounted Android platform of the present invention shows that the device of reversing video comprises reversing detection module, Android equipment, reversing camera and LCD, and wherein, reversing detection module, Android equipment and reversing camera are connected successively, and LCD is connected with Android equipment.Wherein:
The reversing detection module is mainly used in the detection automobile and whether is in reverse, and when being in reverse, sends a reversing instruction and give Android equipment.
The reversing camera is mainly used in the video when gathering reversing.
Android equipment and said reversing detection module are connected with the reversing camera, are mainly used in the video when moveing backward according to the said reversing camera collection of said reversing instruction control, and export after the video processing of said collection become progressive signal.Wherein: Android equipment comprises CPU, A/D modular converter, memory device, conversion module and video memory;
CPU is connected with said reversing detection module, and it is used to control whole Android equipment.The video that CPU receives the collection of the said A/D modular converter reversing of said reversing instruction control video acquisition module converts digital signal to, and deposits digital signal in memory device.
The A/D modular converter is connected with the reversing camera with said CPU, and its video that is mainly used in the collection of reversing video acquisition module converts digital signal to.
Memory device and said A/D modular converter bonded assembly, it is mainly used in the digital signal after the conversion of storage A/D modular converter.In this specific embodiment, said memory device is the DDR internal memory of Android equipment.
Conversion module is connected with said memory device, and it is mainly used in stored numbers signal in the memory device is changed into the progressive signal that can on LCD, show.
Video memory is connected with LCD with said conversion module, and it is mainly used in the progressive signal after the storage conversion module transforms.
LCD is connected with said Android equipment, is mainly used in to show the progressive signal of exporting after the said Android device processes.
The vehicle-mounted Android platform of the present invention shows that the method for reversing video comprises:
The first step: detect the gear of automobile, and when automobile is in reverse, send a reversing and instruct to Android equipment;
Second step: the video when Android equipment is moveed backward according to said reversing instruction control reversing camera collection;
The 3rd step: export progressive signal after the video processing after Android equipment will be gathered and show to LCD.
See also Fig. 3.In this specific embodiment, vehicle-mounted Android platform shows that the method for reversing video comprises:
The first step: detect the gear of automobile, and when automobile is in reverse, send a reversing and instruct to Android equipment.
Second step: the video when Android equipment is moveed backward according to said reversing instruction control reversing camera collection.
The 3rd step: convert the video of gathering to digital signal through A/D.
The 4th step: the digital signal after the storage A/D conversion.
Adopt the digital signal after DDR memory A/D changes.
The 5th step: the stored numbers signal is changed into the progressive signal that can on LCD, show.
The 6th step: the said progressive signal of storage in video memory.
The 7th step: the output progressive signal shows to LCD.
Whether the present invention is in reverse through utilizing the reversing detection module to detect automobile, and when being in reverse, sends a reversing instruction; Video when Android equipment is moveed backward according to said reversing instruction control reversing camera collection, and be presented on the LCD after the video processing with said collection.Thereby can be to automobile, and make the automobile after the transplanting have the reversing Presentation Function with Android system transplantation with good man-machine interaction.The present invention makes full use of its correlation function of opening expansion of Android, makes its field of application more extensive.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a vehicle-mounted Android platform shows the device of reversing video, it is characterized in that comprising:
The reversing detection module, it detects automobile and whether is in reverse, and when being in reverse, sends a reversing instruction;
The reversing camera, the video when it gathers reversing;
With said reversing detection module and reversing camera bonded assembly Android equipment, its video during according to the said reversing camera collection reversing of said reversing instruction control, and export after the video processing of said collection become progressive signal;
With said Android equipment bonded assembly LCD, it shows the progressive signal of exporting after the said Android device processes.
2. vehicle-mounted Android platform according to claim 1 shows the device of reversing video, and it is characterized in that: said Android equipment comprises:
With said reversing detection module bonded assembly CPU, it is used for control and receives said reversing instruction;
With said CPU and reversing camera bonded assembly A/D modular converter, its video that will move backward the video acquisition module collection converts digital signal to;
With said A/D modular converter bonded assembly memory device, the digital signal after the conversion of its storage A/D modular converter;
With said memory device bonded assembly conversion module, it changes into the progressive signal that can on LCD, show with stored numbers signal in the memory device;
With said conversion module and LCD bonded assembly video memory, the progressive signal after its storage conversion module transforms.
3. vehicle-mounted Android platform according to claim 2 shows the device of reversing video, and it is characterized in that: said memory device is the DDR internal memory of Android equipment.
4. a vehicle-mounted Android platform shows the method for reversing video, it is characterized in that comprising:
Detect the gear of automobile, and when automobile is in reverse, send a reversing and instruct to Android equipment;
Video when Android equipment is moveed backward according to said reversing instruction control reversing camera collection;
The output progressive signal shows to LCD after the video processing after Android equipment will be gathered.
5. vehicle-mounted Android platform according to claim 4 shows the method for reversing video, and it is characterized in that: said processing comprises:
Convert the video of gathering to digital signal through A/D;
Digital signal after the storage A/D conversion;
The stored numbers signal is changed into the progressive signal that can on LCD, show;
The said progressive signal of storage in video memory.
6. vehicle-mounted Android platform according to claim 5 shows the method for reversing video, it is characterized in that: adopt the digital signal after DDR memory A/D changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102012786A CN102689610A (en) | 2012-06-19 | 2012-06-19 | Method and device for displaying back up video by virtue of vehicle-mounted Android platform |
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| CN2012102012786A CN102689610A (en) | 2012-06-19 | 2012-06-19 | Method and device for displaying back up video by virtue of vehicle-mounted Android platform |
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Cited By (5)
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| CN103607565A (en) * | 2013-11-14 | 2014-02-26 | 福州瑞芯微电子有限公司 | WIFI Direct-based vehicle-mounted shooting system |
| CN104252385A (en) * | 2013-06-25 | 2014-12-31 | 上海博泰悦臻电子设备制造有限公司 | Event quick response method of Android system |
| CN104731475A (en) * | 2015-03-19 | 2015-06-24 | 深圳市米家互动网络有限公司 | Touch screen display management method and device for vehicle-mounted system |
| CN107920204A (en) * | 2017-11-29 | 2018-04-17 | 珠海亿智电子科技有限公司 | A kind of cold start-up quickly shows the apparatus and method of back-up video |
| CN109532673A (en) * | 2018-12-29 | 2019-03-29 | 深圳市车智信科技有限公司 | Reverse image control assembly, method, system and storage medium |
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| CN107920204A (en) * | 2017-11-29 | 2018-04-17 | 珠海亿智电子科技有限公司 | A kind of cold start-up quickly shows the apparatus and method of back-up video |
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Application publication date: 20120926 |