CN108924503A - A kind of vehicle backing backsight camera of changeable vision signal - Google Patents
A kind of vehicle backing backsight camera of changeable vision signal Download PDFInfo
- Publication number
- CN108924503A CN108924503A CN201810840828.6A CN201810840828A CN108924503A CN 108924503 A CN108924503 A CN 108924503A CN 201810840828 A CN201810840828 A CN 201810840828A CN 108924503 A CN108924503 A CN 108924503A
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- vision signal
- processing module
- vehicle
- module
- output
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The invention discloses a kind of vehicle backing backsight cameras of changeable vision signal, including the image sensor for shooting reverse image, the processing module for handling vision signal and the control module for hand-off process module output vision signal, wherein described image sensor and processing module connect one to one with the processing module, and the processing module is connect to export vision signal to display device for mounting on vehicle with display device for mounting on vehicle.Video is handled using the processing module in vehicle backing backsight camera, the output signal of processing module is controlled and switched using control module simultaneously, so that the vision signal of vehicle backing backsight camera is adapted to the display device for mounting on vehicle of vehicle self-carrying, improves the scope of application of vehicle backing backsight camera.
Description
Technical field
The present invention relates to reversing camera system technical fields more particularly to a kind of vehicle backing backsight of changeable vision signal to take the photograph
As head.
Background technique
In order to allow driver that can be the blind area that can observe automobile rear in reversing, current most automobile have all installed backsight additional
Backup camera is moved backward to improve down using the influence assist driver at backsight backup camera captured in real-time automobile rear when reversing
The safety of vehicle.It has assembled vehicle backing backsight camera when partial automobile dispatches from the factory at present and has been equipped in the middle control of driver's cabin vehicle-mounted
Display screen is for showing reverse image, however due to various reasons, has part car owner that can select to install additional and change or by original reversing
Camera is changed to the backup camera of non-original factory, however the backup camera of non-original factory often may not be with original car-mounted display
Device adaptation, causes the reverse image of output there are various problems, wherein relatively conventional problem include backup camera with
The video formats of display device for mounting on vehicle are inconsistent（The predominantly difference of N standard and P standard）, display device for mounting on vehicle shows automatically
The reversing aided ruler line discomfort that vehicle aided ruler line and backup camera carry is matched and backup camera is filled with car-mounted display
It sets and the uncoordinated state for leading to final image output for non-mirror image processing of mirror image processing is carried out to reverse image.Problem above
It makes troubles in the presence of the use that can be reverse image system, therefore car owner must consider vehicle backing backsight camera carefully when choosing
The range of choice to vehicle backing backsight camera is seriously limited with the suitability of display device for mounting on vehicle.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of technology novelties, it can be achieved that backup camera
The vehicle backing backsight camera of changeable vision signal compatible with display device for mounting on vehicle.
In order to achieve the goal above, the technical scheme adopted by the invention is that：
A kind of vehicle backing backsight camera of changeable vision signal, including for shooting reverse image image sensor, be used for
The processing module of vision signal and the control module for hand-off process module output vision signal are handled, wherein described image
Sensor and processing module connect one to one with the processing module, and the processing module is connect with display device for mounting on vehicle
To export vision signal to display device for mounting on vehicle.
The beneficial effects of the invention are as follows：This year invention after adopting the above scheme, using the place in vehicle backing backsight camera
Reason module handles video, while the output signal of processing module is controlled and being switched using control module, makes down
The vision signal of vehicle rearview camera can be adapted to the display device for mounting on vehicle of vehicle self-carrying, improve being applicable in for vehicle backing backsight camera
Range.
The function of the processing module includes that the vision signal of output is converted to N standard or P standard, the control
The function of module includes that the output vision signal of processing module is switched to N standard or P standard.The present invention is using the above scheme
Afterwards, vision signal is converted into N standard or P standard using processing module, and is exported by control module hand-off process module
Vision signal standard, be adapted to it with the video formats of display device for mounting on vehicle.
The function of the processing module includes the vision signal load scale line of oriented output, the function of the control module
It can include that the output vision signal of processing module is switched to containing scale line or without scale line.The present invention is using the above scheme
Afterwards, video is carried out using processing module containing scale line in the vision signal that processing exports it, if display device for mounting on vehicle
Included scale line, it will cause confusions, can make its output by the output vision signal of control module hand-off process module at this time
Vision signal be not loaded with scale line, so that display device for mounting on vehicle is finally only shown a set of scale line.
The function of the processing module includes to execute mirror image processing to the vision signal of output, the control module
Function includes that the output vision signal of processing module is switched to before mirror image processing or after mirror image processing.The present invention is using above-mentioned
After scheme, the video that processing exports it is carried out to video using processing module and passes through mirror image processing, if display device for mounting on vehicle
Included mirror image processing can then make to influence mirror image switch twice and be changed into original video state, can be cut at this time by control module
The output vision signal for changing processing module, the vision signal for exporting it does not make mirror image processing, show that display device for mounting on vehicle finally
Show the video image of a mirror image switch.
The processing module is PC3089, and the control module includes several groups control circuit parallel with one another, each
The control circuit is used to control one group of function of processing module, and each control circuit includes that NPN triode and control are opened
It closes, the control switch is connected between the base stage of NPN triode and the power supply packet, and the collector of the NPN triode connects
Connect the power supply packet and processing module, the emitter ground connection of the NPN triode.It the present invention with the above structure, can be by disconnected
The control that the mode of control switch realizes control module to processing module is opened or is closed, when control switch closing or opening, place
The reason corresponding pin of module receives different level signals, realizes control module to processing module to make corresponding processing
Control and hand-off process module output video.
Detailed description of the invention
Fig. 1 is electrical schematic diagram of the invention.
Fig. 2 is the circuit diagram of control module of the invention.
Wherein, 11- image sensor, 12- control module, 13- processing module, 2- display device for mounting on vehicle, 3- power supply packet.
Specific embodiment
Is described in further detail to claimed technical solution of the invention now in conjunction with the drawings and specific embodiments
Referring to figure 1 and figure 2, the vehicle backing backsight camera that vision signal can be switched in one of the present embodiment includes for clapping
Take the photograph the vehicle backing backsight camera of rear of vehicle reverse image, the display device for mounting on vehicle 2 for showing reverse image and for mentioning
The power supply packet 3 of power supply source；Wherein be provided in the vehicle backing backsight camera image sensor 11 for acquiring vision signal,
For handling the processing module 13 of vision signal and exporting the control module 12 of vision signal for hand-off process module 13,
Described in imaging sensor and processing module 13 connect one to one with the processing module 13, the processing module 13 with
The connection of display device for mounting on vehicle 2 is to export vision signal to display device for mounting on vehicle 2.
In the present embodiment, the function of the processing module 13 includes that the vision signal of output is converted to N standard
Or P standard, scale line is loaded to the vision signal of output, mirror image processing is executed to the vision signal of output.Correspondingly, the control
The function of molding block 12 includes that the output vision signal of processing module 13 is switched to N standard or P standard, by processing module 13
Output vision signal be switched to containing scale line or without scale line, the output vision signal of processing module 13 is switched to mirror image
Before processing or after mirror image processing.
In the present embodiment, processing module 13 is PC3089, and the control module 12 includes three groups of controls parallel with one another
Circuit, each control circuit are used to control one group of function of processing module 13.Specifically in the present embodiment, for switching
The control circuit for exporting vision signal standard includes control switch SW1, resistance R1, resistance R2, resistance R3, capacitor C1 and NPN
Triode Q1, control switch SW1, resistance R1, resistance R3, capacitor C1 be connected to NPN triode Q1 base stage and the power supply packet 3
Between, the collector of the NPN triode Q1 connects the DY1 pin of the power supply packet 3, resistance R2 and processing module 13, the NPN tri-
The emitter of pole pipe Q1 is grounded.
It includes control switch SW2, resistance R4, resistance that the control circuit of scale line whether is loaded for controlling processing module 13
R5, resistance R6, capacitor C2 and NPN triode Q2, control switch SW2, resistance R4, resistance R6, capacitor C2 are connected to tri- pole NPN
Between the base stage of pipe Q2 and the power supply packet 3, the collector of NPN triode Q2 connects the power supply packet 3, resistance R5 and processing
The DY4 pin of module 13, the emitter ground connection of NPN triode Q2.
For control the control circuit that processing module 13 is mirror image processing include control switch SW3, resistance R7, resistance R8,
Resistance R9, capacitor C3 and NPN triode Q3, control switch SW3, resistance R7, resistance R8, capacitor C3 are connected to NPN triode
Between the base stage of Q3 and the power supply packet 3, the collector of NPN triode Q3 connects the power supply packet 3, resistance R8 and processing mould
The DY9 pin of block 13, the emitter ground connection of NPN triode Q3.
The present invention is not especially limited the form of control switch, and control switch both can be mechanical switch, electronic switch
Or equivalent effect with control switch open and close is realized by wiring and trimming mode.In the present embodiment, control is opened
It closes SW1, control switch SW2 and control switch SW3 to realize by way of wiring and trimming, i.e. control switch SW1, control are opened
It closes power supply packet when SW2 and control switch SW3 is closed to connect with its control circuit by wire jumper, as control switch SW1, control switch
It is disconnected between power supply packet and its control circuit by trimming mode when SW2 and control switch SW3 is disconnected.
Working principle of the present invention is as follows：By taking the control circuit for switching output vision signal standard as an example, work as control
When switch SW1 is closed, the base stage of NPN triode Q1 receives electric signal to which the collector for making NPN triode Q1 and emitter connect
Logical, the electric current of power supply packet 3 is directly grounded through resistance R2 and NPN triode Q1, and the DY1 pin of processing module 13 receives low electricity at this time
Ordinary mail number, processing module 13 make vision signal with the output of N standard；When control switch SW1 is disconnected, electric current is from electric current packet through resistance
The DY1 pin of R2 input processing module 13 receives high level signal, and processing module 13 makes vision signal with the output of P standard.Pass through
The standard of aforesaid way control vision signal.
By for controlling for whether processing module 13 load the control circuit of scale line, when control switch SW2 closure,
The base stage reception electric signal of NPN triode Q2 is to make the collector of NPN triode Q2 be connected to emitter, the electricity of power supply packet 3
Stream is directly grounded through resistance R5 and NPN triode Q2, and the DY4 pin of processing module 13 receives low level signal at this time, handles mould
Block 13 makes vision signal be not loaded with scale line output；When control switch SW2 is disconnected, electric current is from electric current packet through the input resistance R5
The DY4 pin for managing module 13 receives high level signal, and processing module 13 makes vision signal load scale line output.Pass through above-mentioned side
Whether formula control vision signal loads scale line.
By for controlling for whether processing module 13 carry out the control circuit of mirror image processing, when control switch SW3 is closed
When, the base stage of NPN triode Q3 receives electric signal to make the collector of NPN triode Q3 be connected to emitter, power supply packet 3
Electric current is directly grounded through resistance R8 and NPN triode Q3, and the DY9 pin of processing module 13 receives low level signal, processing at this time
Module 13 exports vision signal without mirror image processing；When control switch SW3 is disconnected, electric current is defeated through resistance R8 from electric current packet
The DY9 pin for entering processing module 13 receives high level signal, and processing module 13 makes vision signal carry out mirror image processing output.Pass through
Whether aforesaid way control vision signal carries out mirror image processing.
The embodiment of the above is only presently preferred embodiments of the present invention, not does limit in any form to the present invention
System.Anyone skilled in the art, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Technology contents more possible variations and retouching are made to technical solution of the present invention, or be revised as the equivalence enforcement of equivalent variations
Example.Therefore all contents without departing from technical solution of the present invention, equivalent equivalence changes, should all cover made by thinking according to the present invention
In in protection scope of the present invention.
Claims (5)
1. a kind of vehicle backing backsight camera of changeable vision signal, it is characterised in that：Including the shadow for shooting reverse image
As sensor（11）, processing module for handling vision signal（13）And it is used for hand-off process module（13）Export video letter
Number control module（12）, wherein described image sensor and processing module（13）With the processing module（13）One is a pair of
It should connect, the processing module（13）With display device for mounting on vehicle（2）Connection is with to display device for mounting on vehicle（2）Export vision signal.
2. a kind of vehicle backing backsight camera of changeable vision signal according to claim 1, it is characterised in that：Described
Processing module（13）Function include that the vision signal of output is converted into N standard or P standard, the control module（12）'s
Function includes by processing module（13）Output vision signal be switched to N standard or P standard.
3. a kind of vehicle backing backsight camera of changeable vision signal according to claim 1, it is characterised in that：Described
Processing module（13）Function include oriented output vision signal load scale line, the control module（12）Function include
Have processing module（13）Output vision signal be switched to containing scale line or without scale line.
4. a kind of vehicle backing backsight camera of changeable vision signal according to claim 1, it is characterised in that：Described
Processing module（13）Function include that mirror image processing, the control module are executed to the vision signal of output（12）Function packet
It has included processing module（13）Output vision signal be switched to before mirror image processing or after mirror image processing.
5. a kind of vehicle backing backsight camera of changeable vision signal according to any one of claims 1 to 4, feature exist
In：The processing module（13）For PC3089, the control module（12）Including several groups control circuit parallel with one another, often
One control circuit is for controlling processing module（13）A function, each control circuit include NPN triode and
Control switch, the control switch be connected to NPN triode base stage and the power supply packet（3）Between, the NPN triode
Collector connects the power supply packet（3）And processing module（13）, the emitter ground connection of the NPN triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810840828.6A CN108924503A (en) | 2018-07-27 | 2018-07-27 | A kind of vehicle backing backsight camera of changeable vision signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810840828.6A CN108924503A (en) | 2018-07-27 | 2018-07-27 | A kind of vehicle backing backsight camera of changeable vision signal |
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| Publication Number | Publication Date |
|---|---|
| CN108924503A true CN108924503A (en) | 2018-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810840828.6A Pending CN108924503A (en) | 2018-07-27 | 2018-07-27 | A kind of vehicle backing backsight camera of changeable vision signal |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200965776Y (en) * | 2006-09-14 | 2007-10-24 | 比亚迪股份有限公司 | A vehicle service condition and multimedia information display device |
| CN201576093U (en) * | 2009-12-04 | 2010-09-08 | 刘宛莲 | Back vision reversing radar system with colorful ruler line |
| CN202686135U (en) * | 2012-02-23 | 2013-01-23 | 创维汽车电子（深圳）有限公司 | Vehicle-mounted multi-media equipment back up back view control error-prevention circuit and vehicle-mounted multi-media equipment |
| CN107071323A (en) * | 2017-01-10 | 2017-08-18 | 美高卡兰光电科技（北京）有限公司 | Equipment choosing method, interface box and in-vehicle display system |
-
2018
- 2018-07-27 CN CN201810840828.6A patent/CN108924503A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200965776Y (en) * | 2006-09-14 | 2007-10-24 | 比亚迪股份有限公司 | A vehicle service condition and multimedia information display device |
| CN201576093U (en) * | 2009-12-04 | 2010-09-08 | 刘宛莲 | Back vision reversing radar system with colorful ruler line |
| CN202686135U (en) * | 2012-02-23 | 2013-01-23 | 创维汽车电子（深圳）有限公司 | Vehicle-mounted multi-media equipment back up back view control error-prevention circuit and vehicle-mounted multi-media equipment |
| CN107071323A (en) * | 2017-01-10 | 2017-08-18 | 美高卡兰光电科技（北京）有限公司 | Equipment choosing method, interface box and in-vehicle display system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 528100 no.25-7, Zone C, Southwest Park, Sanshui Industrial Zone, Foshan City, Guangdong Province Applicant after: Guangdong Good Helper Fengno Electronics Technology Co.,Ltd. Address before: 528100 Southwest Park C Area 25-8, Sanshui Industrial Zone, Foshan City, Guangdong Province Applicant before: FOSHAN XIAONUO ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |