CN209089125U - Automobile data recorder - Google Patents
Automobile data recorder Download PDFInfo
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- CN209089125U CN209089125U CN201821539931.9U CN201821539931U CN209089125U CN 209089125 U CN209089125 U CN 209089125U CN 201821539931 U CN201821539931 U CN 201821539931U CN 209089125 U CN209089125 U CN 209089125U
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- Prior art keywords
- automobile data
- video
- data recorder
- signal
- high definition
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Abstract
The utility model discloses a kind of automobile data recorders, include: the preceding camera lens host for being mounted on front part of vehicle, be mounted on the simulation high-definition camera of vehicle tail and the vehicle power supply for automobile data recorder power supply, further includes the imaging sensor being connect with the simulation high-definition camera, the high definition video signal conversion chip being connect with described image sensor and the Video Quality Metric amplifying circuit being connect with the high definition video signal conversion chip.The utility model realizes the ability of carrying 720P/1080P resolution video, and the advantages of inherit analog signal, vision signal is un-encoded, and the detailed information of original video is fully retained, and is truly realized that high definition is lossless, no-delay effect.The automobile data recorder of the utility model is used simultaneously, it is only necessary to carry out signal transmission using the signal wire of three routines, without carrying out shielding processing, cost is more cheap.
Description
Technical field
The utility model relates to automobile electronics technical field, in particular to a kind of automobile data recorder.
Background technique
Automobile data recorder is the instrument of the relevent informations such as the image recorded vehicle driving on the way and sound.Driving recording is installed
After instrument, it is able to record the video image and sound of running car overall process, evidence can be provided for traffic accident.
The working principle of traditional vehicle-running recording system are as follows: central processing unit controls point that imaging sensor receives camera
Distinguish road be 408P signal, and the signal of the 408P be converted to CVBS (composite video synchronization broadcast singal/composite video blanking and
It is synchronous) output end is transferred to after signal, to directly export analog picture signal, the image of output is traditional VGA format
Signal, the resolution ratio of image can only achieve 480P, and resolution ratio is low, and visual effect is poor.
There are also a kind of vehicle-running recording systems, signal are transmitted by the way of LVDS Digital Transmission, required transmission line is not only
Quantity is high, and needs to carry out shielding processing, leads to the wire rod complex manufacturing technology of transmission line, increased costs.
Utility model content
The utility model provides a kind of automobile data recorder, to solve the above-mentioned technical problems in the prior art.
In order to solve the above technical problems, the utility model provides a kind of automobile data recorder, comprising: be mounted on front part of vehicle
Preceding camera lens host, the simulation high-definition camera for being mounted on vehicle tail and the vehicle power supply for automobile data recorder power supply further include
The imaging sensor connecting with the simulation high-definition camera, the high definition video signal connecting with described image sensor convert core
Piece and the Video Quality Metric amplifying circuit being connect with the high definition video signal conversion chip, wherein imaging sensor receives mould
Intend the digital signal exported in high-definition camera and passes to the high definition video signal conversion chip, the conversion of high definition video signal
Chip converts digital signals into analog signal, which is converted and amplified through the Video Quality Metric amplifying circuit
Afterwards, simulating image signal is exported, camera lens host before being passed back to.
Preferably, the model of the high definition video signal conversion chip are as follows: FH8536H.
Preferably, being provided with THCV231 chip in the Video Quality Metric amplifying circuit.
Preferably, the preceding camera lens host uses digital hard disc video recorder.
Preferably, being provided with 200w pixel, the high dynamic range of 1080P resolution ratio on the digital hard disc video recorder
Camera.
Preferably, being connected with video playback apparatus on the digital hard disc video recorder.
Preferably, being connected between the digital hard disc video recorder and the Video Quality Metric amplifying circuit by three signal wires
It connects.
Preferably, three signal wires are respectively power supply line, ground line and signal wire.
Compared with prior art, the automobile data recorder of the utility model, comprising: be mounted on the preceding camera lens master of front part of vehicle
Machine, the simulation high-definition camera for being mounted on vehicle tail and the vehicle power supply for automobile data recorder power supply further include and the mould
The imaging sensor of quasi- high-definition camera connection, the high definition video signal conversion chip being connect with described image sensor and with
The Video Quality Metric amplifying circuit of the high definition video signal conversion chip connection, wherein imaging sensor receives simulation high definition and takes the photograph
As the digital signal exported in head and the high definition video signal conversion chip is passed to, high definition video signal conversion chip will count
Word signal is converted to analog signal, and for the analog signal after the Video Quality Metric amplifying circuit is converted and amplified, output is imitative
True video signal, camera lens host before being passed back to.The utility model realizes the ability of carrying 720P/1080P resolution video, and
The advantages of inheriting analog signal, vision signal is un-encoded, and the detailed information of original video is fully retained, is truly realized high definition
Lossless, no-delay effect.Simultaneously use the utility model automobile data recorder, it is only necessary to using three routines signal wire into
The transmission of row signal, without carrying out shielding processing, cost is more cheap.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the automobile data recorder of the utility model.
As shown in the figure: camera lens host, 2- simulation high-definition camera, 3- imaging sensor, 4- high definition video signal turn before 1-
Change chip, 5- Video Quality Metric amplifying circuit, 6- video playback apparatus, 7- vehicle power supply.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.It should be noted that the utility model attached drawing is all made of simplified form
And non-accurate ratio is used, only to convenient, lucidly aid illustration the utility model embodiment purpose.
As shown in Figure 1, the utility model provides a kind of automobile data recorder, comprising: be mounted on the preceding camera lens master of front part of vehicle
Machine 1, the simulation high-definition camera 2 for being mounted on vehicle tail and the vehicle power supply 7 for automobile data recorder power supply.Further, also
Believe including the imaging sensor 3 being connect with the simulation high-definition camera 2, the high definition image being connect with described image sensor 3
Number conversion chip 4 and the Video Quality Metric amplifying circuit 5 being connect with the high definition video signal conversion chip 4.
Wherein, simulation high-definition camera 2 is used to shoot the scene of automobile tail, and defeated in a manner of high-definition digital signal
Out, imaging sensor 3 receives the high-definition digital signal exported in simulation high-definition camera 2 and passes to the high definition video signal
High-definition digital signal is converted to high definition analog signal by conversion chip 4, high definition video signal conversion chip 4, high definition simulation letter
Number after the Video Quality Metric amplifying circuit 5 is converted and amplified, simulating image signal is exported, camera lens host 1 before being passed back to
In, the preceding camera lens host 1 is exported or is stored to the simulating image signal.
Further, the preceding camera lens host 1 uses digital hard disc video recorder, since the inside of digital hard disc video recorder is set
It sets and comes with processor and memory, therefore the utility model is without separately setting memory device and control equipment.Preferably, the number
Video playback apparatus 6 is connected in hard disk video recorder, for playing the image data of storage.
Certainly, 200w pixel is additionally provided on the digital hard disc video recorder, the high dynamic range of 1080P resolution ratio is taken the photograph
As head, it can be used for monitoring when normally travel.
It should be noted that in addition to vehicle power supply 7 and preceding camera lens host 1, remaining equipment is respectively mounted in the utility model
In the tail portion of automobile, therefore it is after preceding camera lens host 1 is powered, by drawing in preceding camera lens host 1 that the present embodiment, which is using vehicle power supply 7,
Electric wire is that the other equipment of automobile tail are powered, which has two, one be+5V power supply line, another be ground line.And institute
The signal transmission stated between digital hard disc video recorder and the Video Quality Metric amplifying circuit 5 only needs a signal wire can be real
It is existing, therefore only need to realize the transmission of signal in the utility model using 3 harness, while can power for equipment, and
Harness is without carrying out shielding processing, therefore cost substantially reduces.Certainly, above-mentioned 3 harness can also be replaced by a coaxial cable.
Preferably, the model of the high definition video signal conversion chip are as follows: FH8536H is a for CIS
The high-performance profession security monitoring video camera picture processing chip of (CMOS Image Sensor).FH8536H supports 1M/1.3M/2M/
The cmos sensor of 3M inputs, and the CVBS/960H/1280H composite video of standard is supported to export and 720P/1080P/3M format
HD Analog simulates high definition output.There is high performance 3D denoising module in FH8536H, low-light (level) is had excellent performance；Lens distortion is rectified
The image rectification of orthofunction support level maximum 180 degree；IR-CUT FREE V2.0 technology of new generation, supports 4X4pattern's
The input of RGBIR image reaches the image processing effect of traditional Bayer pattern in the case where not using IR-CUT.
Preferably, being provided with THCV231 chip in the Video Quality Metric amplifying circuit, which can be incited somebody to action
The LVCMOS parallel signal of highest 12Bit/pixel is converted to serial picture signal, has the CML (electric current of big transmission rate
Mode logic, Current Mode Logic) Serial output.
In conclusion the automobile data recorder of the utility model, comprising: be mounted on preceding camera lens host 1, the installation of front part of vehicle
Simulation high-definition camera 2 in vehicle tail and the vehicle power supply 7 for automobile data recorder power supply.Further, further include and institute
State the imaging sensor 3 that simulation high-definition camera 2 connects, the high definition video signal conversion core connecting with described image sensor 3
Piece 4 and the Video Quality Metric amplifying circuit 5 being connect with the high definition video signal conversion chip 4.Wherein, imaging sensor 3 connects
It receives the digital signal exported in simulation high-definition camera 2 and passes to the high definition video signal conversion chip 4, high definition image letter
Number conversion chip 4 converts digital signals into analog signal, which is converted through the Video Quality Metric amplifying circuit 5
After amplification, simulating image signal is exported, camera lens host 1 before being passed back to.The utility model is obtained by simulation high-definition camera 2
Resolution ratio is the video image of 720P/1080P, and by by high definition video signal conversion chip 4 and Video Quality Metric amplifying circuit 5
Cooperate with preceding camera lens host 1, realize the ability of carrying 720P/1080P resolution video, and inherits the excellent of analog signal
Point, vision signal is un-encoded, and the detailed information of original video is fully retained, and is truly realized that high definition is lossless, no-delay effect.
Use the automobile data recorder of the utility model simultaneously, it is only necessary to carry out signal transmission using the signal wire of three routines, without into
Row shielding processing, cost are more cheap.
Obviously, it is practical new without departing from this can to carry out various modification and variations to utility model by those skilled in the art
The spirit and scope of type.If in this way, these modifications and variations of the present invention belong to the utility model claims and its
Within the scope of equivalent technologies, then the utility model is also intended to including these modification and variations.
Claims (9)
1. a kind of automobile data recorder, comprising: be mounted on the preceding camera lens host of front part of vehicle, be mounted on the simulation high definition of vehicle tail
Camera and the vehicle power supply powered for automobile data recorder, which is characterized in that further include being connect with the simulation high-definition camera
Imaging sensor, the high definition video signal conversion chip that is connect with described image sensor and with the high definition video signal
The Video Quality Metric amplifying circuit of conversion chip connection.
2. automobile data recorder as described in claim 1, which is characterized in that described image sensor is taken the photograph for receiving simulation high definition
As the digital signal exported in head and the high definition video signal conversion chip is passed to, the high definition video signal conversion chip
For converting digital signals into analog signal, the Video Quality Metric amplifying circuit be used to carry out the analog signal conversion with
Simulating image signal is obtained after amplification, and the simulating image signal is transferred to the preceding camera lens host.
3. automobile data recorder as described in claim 1, which is characterized in that the model of the high definition video signal conversion chip
Are as follows: FH8536H.
4. automobile data recorder as described in claim 1, which is characterized in that be provided in the Video Quality Metric amplifying circuit
THCV231 chip.
5. automobile data recorder as described in claim 1, which is characterized in that the preceding camera lens host uses digital hard disk recording
Machine.
6. automobile data recorder as claimed in claim 5, which is characterized in that be provided with 200w picture on the digital hard disc video recorder
The camera of plain, 1080P resolution ratio high dynamic range.
7. automobile data recorder as claimed in claim 5, which is characterized in that be connected with video on the digital hard disc video recorder and broadcast
Put equipment.
8. automobile data recorder as claimed in claim 5, which is characterized in that the digital hard disc video recorder and the Video Quality Metric
Pass through three signal wire connections between amplifying circuit.
9. automobile data recorder as claimed in claim 8, which is characterized in that three signal wires are respectively power supply line, ground connection
Line and signal wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821539931.9U CN209089125U (en) | 2018-09-20 | 2018-09-20 | Automobile data recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821539931.9U CN209089125U (en) | 2018-09-20 | 2018-09-20 | Automobile data recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209089125U true CN209089125U (en) | 2019-07-09 |
Family
ID=67117141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821539931.9U Active CN209089125U (en) | 2018-09-20 | 2018-09-20 | Automobile data recorder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209089125U (en) |
-
2018
- 2018-09-20 CN CN201821539931.9U patent/CN209089125U/en active Active
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