CN208665062U - A kind of panorama driving auxiliary system based on TVI output - Google Patents
A kind of panorama driving auxiliary system based on TVI output Download PDFInfo
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- CN208665062U CN208665062U CN201821226623.0U CN201821226623U CN208665062U CN 208665062 U CN208665062 U CN 208665062U CN 201821226623 U CN201821226623 U CN 201821226623U CN 208665062 U CN208665062 U CN 208665062U
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Abstract
The panorama driving auxiliary system based on TVI output that the utility model discloses a kind of, including video acquisition device, digital-to-analogue AD conversion unit, processing chip, MCU controller, CAN receiving-transmitting device, vibrating sensor, display module and TVI converting unit.The technology realizes 360 ° of panoramas and shows first；In addition, the video data that video acquisition device obtains will be transmitted to processing chip and be handled, treated video data transmission is realized to TVI converting unit and is exported that the TVI converting unit connects the processing chip and is used to receive the digital video data of processing chip output and is converted into simulation CVBS composite signal and exports by the processing chip；The image transmission distance for the simulation high definition that extended, and the needed totle drilling cost of high definition image is greatly reduced, greatly reduce memory capacity.
Description
Technical field
The utility model relates to auxiliary system technical field of driving a vehicle, especially a kind of panorama driving based on TVI output is auxiliary
Auxiliary system.
Background technique
With urbanization, industrialized evolution, people are also deeper to the dependence of the vehicles, and driver gives birth to itself
The guarantee of life property is also increasingly paid attention to, and other than it can consider the performance of automobile and the comfort of seating, also nationwide examination for graduation qualification rate is intended to purchase
Whether the automobile bought provides enough safety devices or auxiliary device.Under this trend, automaker or automobile-used set
The standby manufacturer that designs is racked one's brains invariably in order to promote the safety of driving to develop various safety protecting device for travelling crane or auxiliary
Device.
And these safety devices or auxiliary device, it remains unsolved there is some problems, for example, driver exists
When changing Lane or turning, most presence that object is determined whether using observation rearview mirror, however most of rearview mirror
With the presence of blind spot.
Therefore, above-mentioned technical problem needs to solve.
Utility model content
For overcome the deficiencies in the prior art, the utility model proposes a kind of, and the panorama driving auxiliary based on TVI output is
System, it is therefore intended that realize that 360 ° of overall view monitorings are shown, improve traffic safety, and improve the transmission range of video data, reduction accounts for
Memory capacity.
In order to solve the above technical problems, the utility model proposes basic technical scheme are as follows:
A kind of panorama driving auxiliary system based on TVI output, comprising:
Video acquisition device, preceding camera, rear camera, left camera and right camera shooting including automobile surrounding is arranged in
Head；
Digital-to-analogue AD conversion unit, have four road video input interfaces, the four roads video input interface be separately connected it is described before
Camera, rear camera, left camera and right camera analog video data for receiving input are simultaneously converted into digital video
Data；
Chip is handled, connects the digital-to-analogue AD conversion unit for receiving the digital video data and being handled；
MCU controller is connect with the processing chip communication；
CAN receiving-transmitting device, connect with the MCU controller and CAN receiving-transmitting device connection automobile CAN-bus is for obtaining vapour
The CAN data of vehicle；
Vibrating sensor is arranged on automobile and connect the vibration signal transmission for will test with the MCU controller
To MCU controller；
Display module connects the video data that the processing chip is used to receive and show processing chip output；And
TVI converting unit, the TVI converting unit connect the number view that the processing chip is used to receive processing chip output
Frequency evidence is simultaneously converted into simulation CVBS composite signal and exports.
Further, the processing chip is also connected with remote control receiver unit, which is used to receive extraneous
Remote signal is simultaneously transmitted to the processing chip.
Further, the processing chip connects external memory, and the external memory is for storing video data.
The beneficial effects of the utility model are:
A kind of panorama driving auxiliary system based on TVI output of the technical solution of the utility model, including video acquisition dress
It sets, digital-to-analogue AD conversion unit, processing chip, MCU controller, CAN receiving-transmitting device, vibrating sensor, display module and TVI are converted
Unit.The technology realizes 360 ° of panoramas and shows first；In addition, the video data that video acquisition device obtains will be transmitted to processing
Chip is handled, which realizes to TVI converting unit by treated video data transmission and export, which turns
Change unit connect it is described processing chip be used for receives processing chip output digital video data and be converted into simulate CVBS it is compound
Signal simultaneously exports；The image transmission distance for the simulation high definition that extended, and the needed totle drilling cost of high definition image is greatly reduced,
It greatly reduces memory capacity, supports analog HD video data (720P and 1080P), video-audio signal and digital signal
Transmission mode.
Detailed description of the invention
Fig. 1 is a kind of schematic illustration of the panorama driving auxiliary system based on TVI output of the utility model；
Specific embodiment
Below in conjunction with attached drawing 1, the technical scheme in the utility model embodiment is clearly and completely described, shows
So, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.It is practical based on this
Embodiment in novel, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, is fallen within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
Referring to Fig. 1, a kind of panorama driving auxiliary system based on TVI output of the present embodiment, including video acquisition device 1,
Digital-to-analogue AD conversion unit 2, processing chip 3, MCU controller 4, CAN receiving-transmitting device 5, vibrating sensor 6, display module 7 and TVI turn
Change unit 8.
Wherein, video acquisition device 1 includes the preceding camera 101, rear camera 102, left camera shooting that automobile surrounding is arranged in
First 103 and right camera 104；Digital-to-analogue AD conversion unit 2 has four road video input interfaces, four roads video input interface difference
It connects the preceding camera, rear camera, left camera and right camera analog video data for receiving input and converts
For digital video data；Processing chip 3 connects the digital-to-analogue AD conversion unit 2 for receiving the digital video data and carrying out
Processing；MCU controller 4 and the processing chip 3 communicate to connect；CAN receiving-transmitting device 5 connect with the MCU controller 4 and should
CAN receiving-transmitting device 5 connects the CAN data that automobile CAN-bus is used to obtain automobile；
Vibrating sensor 6 is arranged on automobile and connect the vibration signal transmission for will test with the MCU controller 4
To MCU controller 4；Display module 7 connects the processing chip 3 and is used to receive and show the video data that processing chip 3 exports；
TVI converting unit 8 connects the processing chip 3 and is used to receive the digital video data of the processing output of chip 3 and is converted into simulating
CVBS composite signal simultaneously exports.
Wherein, the processing chip 3 connects external memory 10, and the external memory 10 is for storing video data；When
So, it may have flash memory memory.
The preceding camera 101, rear camera 102, left camera 103 and right camera 104 are used to obtain video data,
Four cameras can obtain the video data at four visual angles all around of automobile, realize the acquisition of panoramic video data,
These video datas are transferred at digital-to-analogue AD conversion unit 2, are transmitted to processing core after the processing of digital-to-analogue AD conversion unit 2
Piece 3.Wherein there are 4 road AHD to receive and provided height using the video capture processor of NVP6114 type for the digital-to-analogue AD conversion unit 2
Quality image and 9 channel audio codecs, it receives independent 4CVBS/COMET/AHD input and believes from camera and other videos
Number source.It is digitized and decoding NTSC/PAL/COMET/AHD vision signal is 8 BT.656 of digital video.Wherein, core is handled
Piece 3 can excessively encode the video data handled by digital-to-analogue AD conversion unit 2, analyze and graphics process etc., and by these
Video data storage and output.Preferably, the model HI3521D chip which uses.At processing chip 3
For the video data of reason via exporting outward after TVI converting unit 8, the model of the TVI converting unit 8 preferably uses HDI8903H,
It is a kind of HD video transmission standard based on coaxial cable；Compatible 75-3 standard coaxial cable and engineering twisted pair, HD-TVI
Simulation CVBS composite signal can be converted digital signals into, the image transmission distance for the simulation high definition that extended, and drop significantly
The low needed totle drilling cost of high definition image, while reducing memory capacity, support analog high-definition video signal (720P with
1080P), video-audio signal and digital data transmission mode.
In addition, realizing external module in the present embodiment by MCU controller 4 and handling the interaction of chip 3, realize signal
Transmission and control.Specifically, in the present embodiment, the model of MCU controller 4 is preferably PIC24FJ32GA002, MCU control
Device 4 processed is realized and is communicated to connect with automobile bus and a vibrating sensor 6.Specifically, MCU controller 4 passes through CAN receiving-transmitting device 5
Realization is connect with the bus of automobile, and to realize the data for obtaining and transmitting on automobile bus, such as car speed, oil mass are shown, row
The acquisition of the signals such as vehicle recorder；Wherein the model of the CAN receiving-transmitting device 5 uses TJA1041AT.Driving is realized using this technology
The connection of auxiliary system and automobile bus data is shared, and can be shown in display module 7 together.
Furthermore in the present embodiment, including vibrating sensor 6, the vibrating sensor 6 can incude whether automobile has vibration,
But when sensing vibration, vibration signal is transferred to MCU controller 4, which is transmitted to processing core for vibration signal
Piece 3 controls camera by processing chip 3 and/or automobile data recorder starts, and realization is monitored the side of vehicle, realizes antitheft
Function.
In some embodiments, the processing chip 3 is also connected with remote control receiver unit 9, and the remote control receiver unit 9 is for connecing
It receives extraneous remote signal and is transmitted to the processing chip 3.The remote control receiver unit 9 can receive the remote control letter of extraneous remote controler
Number, and it is transmitted to processing chip 3, it is realized and is automatically controlled by the processing chip 3.
In short, the technical solution of the utility model realizes 360 ° of driving video auxiliary of processing, and list is converted by TVI
Member 8 exports, and extends video data transmission distance, reduces cost；It is real additionally by MCU controller 4 and the processing connection design of chip 3
The interaction of data is realized between existing vehicle auxiliary system and automobile bus.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, to the greatest extent
It is used some specific terms in pipe this specification, these terms are merely for convenience of description, not to the utility model
Constitute any restrictions.
Claims (3)
- The auxiliary system 1. a kind of panorama based on TVI output is driven a vehicle characterized by comprisingVideo acquisition device (1), preceding camera, rear camera, left camera and right camera including automobile surrounding is arranged in；Digital-to-analogue AD conversion unit (2) has four road video input interfaces, which is separately connected described proactive As head (101), rear camera (102), left camera (103) and right camera (104) analog video number for receiving input According to and be converted into digital video data；It handles chip (3), connects the digital-to-analogue AD conversion unit (2) for receiving the digital video data and being handled；MCU controller (4) is communicated to connect with the processing chip (3)；CAN receiving-transmitting device (5), connect with the MCU controller (4) and the CAN receiving-transmitting device (5) connection automobile CAN-bus is used for Obtain the CAN data of automobile；Vibrating sensor (6) is arranged on automobile and connect the biography of the vibration signal for will test with the MCU controller (4) Transport to MCU controller (4)；Display module (7) connects the video data that processing chip (3) is used to receive and show processing chip (3) output；With AndTVI converting unit (8), the TVI converting unit (8) connect the processing chip (3) for receiving processing chip (3) output Digital video data and be converted into simulation and CVBS composite signal and export.
- The auxiliary system 2. a kind of panorama based on TVI output as described in claim 1 is driven a vehicle, it is characterised in that:The processing chip (3) is also connected with remote control receiver unit (9), which is used to receive extraneous remote control Signal is simultaneously transmitted to the processing chip (3).
- The auxiliary system 3. a kind of panorama based on TVI output as described in claim 1 is driven a vehicle, it is characterised in that:The processing chip (3) connects external memory (10), and the external memory (10) is for storing video data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821226623.0U CN208665062U (en) | 2018-08-01 | 2018-08-01 | A kind of panorama driving auxiliary system based on TVI output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821226623.0U CN208665062U (en) | 2018-08-01 | 2018-08-01 | A kind of panorama driving auxiliary system based on TVI output |
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| Publication Number | Publication Date |
|---|---|
| CN208665062U true CN208665062U (en) | 2019-03-29 |
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|---|---|---|---|
| CN201821226623.0U Active CN208665062U (en) | 2018-08-01 | 2018-08-01 | A kind of panorama driving auxiliary system based on TVI output |
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| CN (1) | CN208665062U (en) |
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2018
- 2018-08-01 CN CN201821226623.0U patent/CN208665062U/en active Active
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