CN201901089U - Vehicular video converter - Google Patents
Vehicular video converter Download PDFInfo
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- CN201901089U CN201901089U CN2010206336390U CN201020633639U CN201901089U CN 201901089 U CN201901089 U CN 201901089U CN 2010206336390 U CN2010206336390 U CN 2010206336390U CN 201020633639 U CN201020633639 U CN 201020633639U CN 201901089 U CN201901089 U CN 201901089U
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Abstract
A vehicular video converter comprises an MCU (micro-control unit) integrated circuit, a power supply circuit, a power indicating circuit, a manual conversion circuit, a delay time selecting circuit, a reverse gear control circuit and a video conversion circuit. The MCU integrated circuit is used for controlling video conversion, a positive input end of the power supply circuit is connected onto a positive electric wire behind an ACC/ON (adaptive cruise control/ON) gear of an automobile, a negative input end of the power supply circuit is connected with a power source in a grounded manner, the power indicating circuit is connected with the power supply circuit, the manual conversion circuit is connected with the MCU integrated circuit, the delay time selecting circuit is connected with the MCU integrated circuit, the reverse gear control circuit is connected with the MCU integrated circuit and a reverse gear switch of the automobile, and the video conversion circuit is connected with the MCU integrated circuit, a video input port and a video output port. The vehicular video converter can improve driving safety, solves the trouble of manual video conversion of a vehicular video system, and is safe, convenient and intelligent.
Description
[technical field]
The utility model relates to the video converter that a kind of automobile is used.
[background technology]
At present, a lot of automobiles all are equipped with such as DVD video player, vehicle-mounted monitoring make a video recording first-class video equipment FYA, security monitoring and assist reversing to use; But problem of current existence is, because the video content source is many, and Vehicular display device has only one, select desired video content so often want the moving plug of armrest the end of a thread, this very trouble that just becomes if operated when driving by the driver, more can influence traffic safety.
[utility model content]
The purpose of this utility model is to overcome the deficiencies in the prior art, the automatic converting video signal of a kind of energy is provided, and can have improved the Vehicular video conv of traffic safety, it has solved the trouble of vehicle carrying video system video manual switch, its safety, convenient, intelligent.
In order to solve the technical matters of above-mentioned existence, the utility model adopts following technical proposals:
A kind of Vehicular video conv, it comprises MCU integrated circuit, power-supplying circuit, power-supplying circuit, power indicating circuit, manual switch circuit, delay time selection circuit, reverse gear control circuit and video conversion circuit, wherein: a MCU integrated circuit, be responsible for the control of video conversion; One power-supplying circuit, its positive input terminal have on the line of positive electricity after being connected on automobile ACC/ON, and negative input end links to each other with power supply ground; One power indicating circuit links to each other with power-supplying circuit; One manual change-over circuit links to each other with the MCU integrated circuit; One delay time is selected circuit, links to each other with the MCU integrated circuit; One reverse gear control circuit links to each other with MCU integrated circuit and automotive reverse gear switch; One video conversion circuit links to each other with MCU integrated circuit, video input, delivery port.
In improvement project to above-mentioned Vehicular video conv, this power-supplying circuit comprises diode D1, pizo-resistance VR1, resistance R 6, R9, R10, R11, R14, R15, R16, R17 and R18, capacitor C 3, C4, C5, C6, C7, C8, C9 and C10, aerotron Q1, Q3, Q4 and Q5, inductance L 1 and voltage stabilizing IC78L05.
In the improvement project to above-mentioned Vehicular video conv, this manual switch circuit comprises switch SW 1, resistance R 1 and R4.
In the improvement project to above-mentioned Vehicular video conv, this delay time selects circuit to comprise switch SW 2 and resistance R 2, R3.
In the improvement project to above-mentioned Vehicular video conv, this reverse gear control circuit comprises resistance R 5, R7 and R8, aerotron Q2.
In improvement project to above-mentioned Vehicular video conv, this video conversion circuit links to each other with camera before the automobile by video input interface CN1, link to each other with camera behind the automobile by video input interface CN2, link to each other with the vehicle-carrying DVD video output signals by video input interface CN3, link to each other with Vehicular display device by video output interface CN4.
In the improvement project to above-mentioned Vehicular video conv, this video conversion circuit comprises resistance R 12 and R13, integrated video conversion IC U2 and U3.
Compared with prior art, the beneficial effects of the utility model are: 1), owing to be provided with the manual switch circuit, when startup procedure rather than reversing state, need only click with have gentle hands and be positioned at the change-over swith of touching easily on the automobile control panel and can allow output video content conversion once, it is very convenient quick to operate, do not influence and drive a car, and in the time will moveing backward, shooting with video-corder of camera seen the road conditions of back clearly after the output video of reverse gear control circuit telltale was converted into automobile automatically when video makes things convenient for the driver to move backward, and the manual switch function is not temporarily cancelled and can be changed video pictures because of touching manual change-over switch because of carelessness at this moment, so the utlity model has automatic converting video signal, and can improve traffic safety, it has solved the trouble of vehicle carrying video system video manual switch, its safety, convenient, intelligent; 2), owing to adopt delay time to select circuit, camera video signal before conv is automatically converted to outputting video signal earlier when automobile withdraws from reverse gear, select time-delay automatically outputting video signal to be converted to the vehicle-carrying DVD vision signal again after 15 seconds or 25 seconds by switch SW 2 then, recover manual video translation function simultaneously, make things convenient for the video conversion operations, can make its more reasonable structure like this.
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
[description of drawings]
Fig. 1 is the circuit block diagram of the utility model embodiment;
Fig. 2 is the schematic circuit diagram of Fig. 1.
[specific embodiment]
The utility model is for being a kind of Vehicular video conv, and as shown in Figure 1, it includes MCU integrated circuit 6, power-supplying circuit 1, power indicating circuit 2, manual switch circuit 3, delay time selection circuit 4, reverse gear control circuit 5, video conversion circuit 7:
One MCU integrated circuit 6 comprises an integrated circuit U1 (as ST301A), links to each other with other circuit, is responsible for the control of video conversion.
One power-supplying circuit 1, its positive input terminal have on the line of positive electricity after being connected on automobile ACC/ON, and negative input end links to each other with power supply ground, can power after car key being got to ACC ON position like this.Power-supplying circuit 1 is subjected to the MCU integrated circuit to be controlled to be other circuit, the front camera and rear camera power supply of video converter and automobile, at this, it comprises diode D1, pizo-resistance VR1, resistance R 6, R9, R10, R11, R14, R15, R16, R17 and R18, capacitor C 3, C4, C5, C6, C7, C8, C9 and C10, aerotron Q1, Q3, Q4 and Q5, inductance L 1 and voltage stabilizing IC78L05, power-supplying circuit by aerotron Q1 and Q5 respectively before automobile, back camera power supply, avoid front camera and rear camera to interfere with each other, and (ACC OFF) state down-converter is not worked and is reached the effect of economize on electricity at ordinary times;
One power indicating circuit 2, link to each other with power-supplying circuit 1, it comprises resistance R 14 and a LED lamp, after power-supplying circuit obtains electricity, LED lamp on the power indicating circuit is bright, promptly when car key is got to the ACC/ON position power-supplying circuit 1 electric, so the energising of LED lamp is lighted, expression Vehicular video conv obtains extraneous power supply.
One manual change-over circuit 3, link to each other with MCU integrated circuit 6, it comprises switch SW 1, resistance R 1 and R4, can the manual switch video by switch SW 1, when driving state (or ACC ON), a video output of the every connection of SW1 is carried out cyclic transformation by rule between preceding camera video signal, back camera video signal and DVD vision signal.In the present embodiment, manual switch circuit 3 links to each other with MCU integrated circuit the 2nd pin.
One delay time is selected circuit 4, link to each other with the MCU integrated circuit, it comprises switch SW 2 and resistance R 2, R3, if SW2 pulls out 15 seconds (or 25 seconds) positions, camera video signal before conv is automatically converted to outputting video signal earlier when automobile withdraws from reverse gear converts outputting video signal to the vehicle-carrying DVD vision signal more automatically after delay time then 15 seconds (or 25 seconds).In the present embodiment, delay time selects circuit 4 to link to each other with MCU integrated circuit the 3rd pin, camera video signal before conv is automatically converted to outputting video signal earlier when automobile withdraws from reverse gear was delayed time 15 seconds then or 25 seconds (being selected by switch SW 2) converts outputting video signal to the vehicle-carrying DVD vision signal more automatically.
One reverse gear control circuit 5, link to each other with MCU integrated circuit 6 and automotive reverse gear switch, video converter converts outputting video signal to the vision signal of back camera input automatically when automobile enters reverse gear, and for guaranteeing the safety of moveing backward, at this moment the manual switch function is cancelled automatically.At this, the reverse gear control circuit comprises resistance R 5, R7 and R8, aerotron Q2; Reverse gear control circuit 5, link to each other with automobile MCU integrated circuit the 4th pin, when automobile enters the reverse gear state, the input video of camera (this moment, the manual switch function was under an embargo) after video conversion circuit under the control of MCU integrated circuit is converted to car with the outputting video signal of video output CN3 automatically makes things convenient for the road conditions behind the driver observation car.
One video conversion circuit 7 links to each other with MCU integrated circuit, video input, delivery port, links to each other with camera before the automobile by video input interface CN1; Link to each other with camera behind the automobile by video input interface CN2; Link to each other with the vehicle-carrying DVD video output signals by video input interface CN3, link to each other with Vehicular display device by video output interface CN4, automatically selecting behind camera video signal before the automobile, the automobile a kind of vision signal in the camera video signal and vehicle-carrying DVD vision signal like this under the control of MCU integrated circuit is that outputting video signal is bought car in installments and carried telltale and play.At this, video conversion circuit comprises resistance R 12 and R13, integrated video conversion IC U2 (as P15V330SQE etc.) and U3 (as P15V330SQE etc.).
With schematic diagram shown in Figure 2 is example, and its video switch process is:
One, when car key is got to ACC ON position opening automobile, the Vehicular video conv obtains power supply, at this moment the indicator lamp of power indicating circuit is bright, and the MCU integrated circuit 6 behind the acquisition power supply is started working, at first control before video conversion circuit 7 output 6 seconds of camera video signal, control video conversion circuit output DVD vision signal after 6 seconds again;
Two, when startup procedure (non-reversing state), click the manual change-over switch SW1 (being installed in the place of touching easily on the automobile control panel usually) of manual switch circuit for the first time with have gentle hands, camera video signal before outputting video signal is transformed into from the DVD vision signal immediately; Outputting video signal is converted to back camera video signal again during for the second time by manual change-over switch; Again be converted to the DVD outputting video signal during for the third time by the manual change-over switch outputting video signal again; Sequential loop conversion according to this.
Three, if automobile changes reverse over to, MCU integrated circuit 6 receives that the reverse gear control signal then controls video conversion circuit and automatically outputting video signal is converted to back camera video signal (simultaneously cancellation manual switch function) automatically.
Four, when automobile withdrawed from the reverse gear state, camera video was delayed time then and automatically output video was converted to the vehicle-carrying DVD vision signal in 15 or 25 seconds again before video converter was converted to output video earlier.
Claims (7)
1. a Vehicular video conv is characterized in that comprising MCU integrated circuit, power-supplying circuit, power-supplying circuit, power indicating circuit, manual switch circuit, delay time selection circuit, reverse gear control circuit and video conversion circuit, wherein:
One MCU integrated circuit is responsible for the control of video conversion;
One power-supplying circuit, its positive input terminal have on the line of positive electricity after being connected on automobile ACC/ON, and negative input end links to each other with power supply ground;
One power indicating circuit links to each other with power-supplying circuit;
One manual change-over circuit links to each other with the MCU integrated circuit;
One delay time is selected circuit, links to each other with the MCU integrated circuit;
One reverse gear control circuit links to each other with MCU integrated circuit and automotive reverse gear switch;
One video conversion circuit links to each other with MCU integrated circuit, video input, delivery port.
2. Vehicular video conv according to claim 1, it is characterized in that: this power-supplying circuit comprises diode D1, pizo-resistance VR1, resistance R 6, R9, R10, R11, R14, R15, R16, R17 and R18, capacitor C 3, C4, C5, C6, C7, C8, C9 and C10, aerotron Q1, Q3, Q4 and Q5, inductance L 1 and voltage stabilizing IC78L05.
3. Vehicular video conv according to claim 1 is characterized in that: this manual switch circuit comprises switch SW 1, resistance R 1 and R4.
4. Vehicular video conv according to claim 1 is characterized in that: this delay time selects circuit to comprise switch SW 2 and resistance R 2, R3.
5. Vehicular video conv according to claim 1 is characterized in that: this reverse gear control circuit comprises resistance R 5, R7 and R8, aerotron Q2.
6. Vehicular video conv according to claim 1, it is characterized in that: this video conversion circuit links to each other with camera before the automobile by video input interface CN1, link to each other with camera behind the automobile by video input interface CN2, link to each other with the vehicle-carrying DVD video output signals by video input interface CN3, link to each other with Vehicular display device by video output interface CN4.
7. Vehicular video conv according to claim 6 is characterized in that: this video conversion circuit comprises resistance R 12 and R13, integrated video conversion IC U2 and U3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206336390U CN201901089U (en) | 2010-11-20 | 2010-11-20 | Vehicular video converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206336390U CN201901089U (en) | 2010-11-20 | 2010-11-20 | Vehicular video converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201901089U true CN201901089U (en) | 2011-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206336390U Expired - Fee Related CN201901089U (en) | 2010-11-20 | 2010-11-20 | Vehicular video converter |
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| Country | Link |
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| CN (1) | CN201901089U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555909A (en) * | 2011-12-31 | 2012-07-11 | 深圳市凌启电子有限公司 | Back-up monitoring driving equipment and back-up monitoring system |
| CN102602338A (en) * | 2012-03-15 | 2012-07-25 | 深圳市诺威达科技有限公司 | Monitoring system for backing automobile |
| CN103795969A (en) * | 2012-10-31 | 2014-05-14 | 北汽福田汽车股份有限公司 | Camera, display apparatus, and video signal synchronization method and system |
| CN103802726A (en) * | 2012-11-07 | 2014-05-21 | 芜湖爱瑞特环保科技有限公司 | Operation visual device of electric sweeper |
| CN103832339A (en) * | 2014-03-19 | 2014-06-04 | 安徽江淮汽车股份有限公司 | Parking assist control method |
-
2010
- 2010-11-20 CN CN2010206336390U patent/CN201901089U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555909A (en) * | 2011-12-31 | 2012-07-11 | 深圳市凌启电子有限公司 | Back-up monitoring driving equipment and back-up monitoring system |
| CN102602338A (en) * | 2012-03-15 | 2012-07-25 | 深圳市诺威达科技有限公司 | Monitoring system for backing automobile |
| CN103795969A (en) * | 2012-10-31 | 2014-05-14 | 北汽福田汽车股份有限公司 | Camera, display apparatus, and video signal synchronization method and system |
| CN103802726A (en) * | 2012-11-07 | 2014-05-21 | 芜湖爱瑞特环保科技有限公司 | Operation visual device of electric sweeper |
| CN103832339A (en) * | 2014-03-19 | 2014-06-04 | 安徽江淮汽车股份有限公司 | Parking assist control method |
| CN103832339B (en) * | 2014-03-19 | 2016-01-20 | 安徽江淮汽车股份有限公司 | One is parked auxiliary control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151216 Address after: 528415 Guangdong Province, Zhongshan City Xiaolan Town East Yide road and Wanhua floor third Patentee after: ZHONGSHAN GAOLANG ELECTRONICS CO., LTD. Address before: 528415 Guangdong Province, Zhongshan City Xiaolan Town East Industrial Zone ten thousand and Wanhua floor Patentee before: Gao Liyun |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20181120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |