CN206023944U - Image vehicle-running recording system before and after vehicle-mounted - Google Patents
Image vehicle-running recording system before and after vehicle-mounted Download PDFInfo
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- CN206023944U CN206023944U CN201620948696.5U CN201620948696U CN206023944U CN 206023944 U CN206023944 U CN 206023944U CN 201620948696 U CN201620948696 U CN 201620948696U CN 206023944 U CN206023944 U CN 206023944U
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- 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)
- Television Signal Processing For Recording (AREA)
Abstract
This utility model is related to vehicle-mounted image vehicle-running recording system in front and back, record is exercised for vehicle, it discloses CAN signal and passes to MCU control circuit 1, and the video switching signal outfan of MCU control circuit 1 is connected with the switching signal input of video channel selection circuit 11；The VT of external interface circuit 6 is connected with the video signal input terminal of video decoding circuit 4 and video channel selection circuit 11；The BT656 VTs of video decoding circuit 4 are connected with the BT656 video signal input terminals of built-in DVR circuits 2, and the CVBS composite video signals outfan of built-in DVR circuits 2 is connected with the CVBS composite video signal inputs of video channel selection circuit 11.The utility model has the advantages that supporting external DVR drive recorders；Have time synchronized function concurrently, the photologging time is clear, arbitrarily DVR is operated by steering wheel control key, and system is safe and reliable.
Description
Technical field
This utility model is related to vehicle-mounted image vehicle-running recording system in front and back, and specifically a kind of portrait is clear, and response is soon
Prompt, easy to operate, safe vehicle-running recording system.
Background technology
Drive recorder is the instrument that registration of vehicle travels the relevent informations such as image and sound in way.Driving recording is installed
After instrument, the video image and sound of running car overall process is able to record that, evidence can be provided for vehicle accident.Like self-driving travel
People, can also record the process for conquering difficulties and dangers with it.Record a video when walking during driving, while in place to time, speed, institute
Put, suitable black box.Can also be in and the joy of life is shot as DV, or make as domestic monitoring
With.Can also do at ordinary times parking monitoring, install drive recorder, video data cannot cutting, if cutting, in liability accident
Help cannot be then provided after generation.Also for present society is prevented, those inevitably touch porcelain behavior, but the row on market
Car monitor also has that response speed is slow, image quality is low in actual applications, malfunction the shortcomings of.
Utility model content
The purpose of this utility model is to provide vehicle-mounted image vehicle-running recording system in front and back, and it can be kept under high response speed
High definition image quality carries out video recording write, and then flexible and convenient operation, system are safe and reliable, and for self-driving travel, hobby crowd provides high-quality
Driving recording guarantee.
Technical solution of the present utility model is in MCU control circuit 1, puts DVR circuits 2, Vehicular video module 3,
Video decoding circuit 4, forward sight photographic head 5, external interface circuit 6, external DVR7, toggle switch circuit 8, power control circuit 9,
DVR power control circuits 10, on the basis of video channel selection circuit 11, are characterized in that CAN signal is transferred to MCU control circuit 1
Vehicular status signal receiving terminal, transmit vehicle shifting state signal to MCU control circuit 1, the video of MCU control circuit 1 cuts
Change signal output part to be connected with the switching signal input of video channel selection circuit 11, pass to video channel selection circuit 11
Defeated video switching signal；The VT of external interface circuit 6 and video decoding circuit 4 and video channel selection circuit
11 video signal input terminal is connected；To 11 transmission video signal of video decoding circuit 4 and video channel selection circuit；Video
The BT656 VTs of decoding circuit 4 are connected with the BT656 video signal input terminals of built-in DVR circuits 2, inwardly
Put DVR circuits 2 transmission conversion after BT656 video signals, the CVBS composite video signals outfan of built-in DVR circuits 2 with regard
The CVBS composite video signal inputs of frequency channel selection circuit 11 are connected, multiple to the transmission CVBS of video channel selection circuit 11
Close video signal.
Model STM32F103C8T6 of single-chip microcomputer U5 in above-described MCU control circuit 1, MCU control circuit 1
45 feet and 46 feet of single-chip microcomputer U5 are Vehicular status signal receiving terminal, and 28,29 feet of single-chip microcomputer U5 are the output of video switching signal
End；Model M3366 of IC chip U1 in video channel selection circuit 11,2 feet and 4 feet of IC chip U1 are input into for switching signal
End；1 foot and 3 feet of IC chip U1 is video signal input terminal, and 5 feet of IC chip U1 are CVBS composite video signal inputs；
Model Header10X2 of the connector P1 of external interface circuit 6, model Header7X2 of connector P2, connector P1
15 feet and 16 feet be VT；Model TYP5150 of IC chip U7, IC chip U7 in video decoding circuit 4
1 foot and 2 feet be video signal input terminal, 11 feet and 18 feet of IC chip U7 are BT656 VTs；Built-in DVR
Model MSN-200 of IC chip U8 in circuit 2, the 21 of IC chip U8,22,23,24,25,31,33,36 is BT656 videos
Signal input part, 99 feet of IC chip U8 are CVBS composite video signal outfans.
Operation principle of the present utility model is upper electric hardware check, has included detecting whether former car CAN signal, toggle switch
The vehicle of selection, the system make former car screen acquiescence show that former car carries the picture of front-facing camera and records the image；Should after 8 seconds
System makes the time of built-in and external DVR and the time synchronized of former car；When hanging R shelves, the system seamlessly switches to former car certainly in real time
The picture of the post-positioned pick-up head of band simultaneously records the image, and P shelves or other gears switch back to the picture that former car carries front-facing camera again
Face simultaneously records the image；When P shelves and P keys are enabled, length presses steering wheel " * " key number of times three times in can be in built-in DVR, external
The picture of DVR and front-facing camera switches at any time；According to serial port protocol, and the CAN numbers of steering wheel control key in the system analysis
According under, internal or external DVR is operated using serial ports.
The utility model has the advantages that on the basis of former Herba Plantaginis backsight, supporting external DVR drive recorders；More have concurrently
The function of time synchronized, is clear how the time of the photologging, arbitrarily DVR can also be carried out by steering wheel control key
Operation, system are safe and reliable.
Description of the drawings
Fig. 1 is frame structure schematic diagram of the present utility model；
Fig. 2 is 6 schematic diagram of external interface circuit of the present utility model；
Fig. 3 is 1 schematic diagram of MCU control circuit of the present utility model；
Fig. 4 is built-in 2 schematic diagram of DVR circuits of the present utility model；
Fig. 5 is 10 schematic diagram of DVR controlling power circuits of the present utility model；
Fig. 6 is 9 schematic diagram of power control circuit of the present utility model；
Fig. 7 is 8 schematic diagram of toggle switch circuit of the present utility model；
Fig. 8 is 11 schematic diagram of video channel selection circuit of the present utility model；
Fig. 9 is 4 schematic diagram of video decoding circuit of the present utility model.
Specific embodiment
According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, this utility model in MCU control circuit 1,
Put DVR circuits 2, Vehicular video module 3, video decoding circuit 4, forward sight photographic head 5, external interface circuit 6, external DVR7,
Toggle switch circuit 8, power control circuit 9, DVR power control circuits 10, on the basis of video channel selection circuit 11, which is special
Point is the Vehicular status signal receiving terminal that CAN signal is transferred to MCU control circuit 1, transmits vehicle gear to MCU control circuit 1
Status signal, the video switching signal outfan of MCU control circuit 1 and the switching signal input of video channel selection circuit 11
Be connected, video switching signal is transmitted to video channel selection circuit 11；The VT of external interface circuit 6 with regard
Frequency decoding circuit 4 is connected with the video signal input terminal of video channel selection circuit 11；Logical to video decoding circuit 4 and video
11 transmission video signal of road selection circuit；The BT656 VTs of video decoding circuit 4 and built-in DVR circuits 2
BT656 video signal input terminals are connected, and transmit the BT656 video signals after conversion, built-in DVR circuits to built-in DVR circuits 2
2 CVBS composite video signals outfan is connected with the CVBS composite video signal inputs of video channel selection circuit 11,
CVBS composite video signals are transmitted to video channel selection circuit 11.The model of single-chip microcomputer U5 in described MCU control circuit 1
45 feet and 46 feet of STM32F103C8T6, the single-chip microcomputer U5 of MCU control circuit 1 be Vehicular status signal receiving terminal, single-chip microcomputer U5
28,29 feet be video switching signal outfan；Model M3366 of IC chip U1 in video channel selection circuit 11, IC cores
2 feet and 4 feet of piece U1 are switching signal input；1 foot and 3 feet of IC chip U1 be video signal input terminal, the 5 of IC chip U1
Foot is CVBS composite video signal inputs；Model Header10X2 of the connector P1 of external interface circuit 6, connector P2
Model Header7X2,15 feet and 16 feet of connector P1 are VT；IC chip in video decoding circuit 4
Model TYP5150 of U7,1 foot and 2 feet of IC chip U7 are video signal input terminal, and 11 feet and 18 feet of IC chip U7 are
BT656 VTs；Model MSN-200 of IC chip U8 in built-in DVR circuits 2, the 21 of IC chip U8,22,
23rd, 24,25,31,33,36 is BT656 video signal input terminals, and 99 feet of IC chip U8 are the output of CVBS composite video signals
End.
Such as 6 schematic diagram of Fig. 2 external interface circuits, No. 1 pin of connector P1 connects the positive pole of power supply, and it is normal that No. 4 pins connect one
Electricity, 2,6,11,12,19, No. 20 pins ground connection, No. 3 and No. 5 pins connect high level and the low level of CAN1 respectively, and No. 7 pins connect
Reverse gear detection signal, and No. 8 pins connect the output of 12V, and No. 9 and No. 10 TX and RX ends for connecing serial ports respectively, No. 13 pins meet CVBS
6, No. 15 pins of output receive and pick up 5, No. 16 pins of input and meet forward sight photographic head 5 or external DVR7, and what 17, No. 18 pins connect is
To the ACC that 5V photographic head is powered.What No. 1 pin of connector P2 connect is normal electricity, and that No. 3 pins connect is the power supply ACC of 12V, 2,
5th, 9,13, No. 14 pin ground connection, 4,6, No. 8 pins connect 12V outputs 1,2,3 respectively, and No. 7 pins connect signal detection of reversing gear, No. 10
Pin meets forward sight photographic head 5 or external DVR7, and 11 and No. 12 pins connect the both positive and negative polarity of mike respectively.
1 schematic diagram of MCU control circuit is illustrated in figure 3, single-chip microcomputer U5 is STM32F103C8T6, it mainly receives
The data of CAN13, the DVR_UART2_TX and DVR_UART2_RX of 12 and 13 pins and the mutual transceiving datas of built-in DVR12, with
When judge the state of toggle switch 13.
Built-in 2 circuit theory diagrams of DVR circuits are illustrated in figure 4, are controlled by the core board chip U8 of built-in DVR circuits 2
Circuit, its 84 are connected with 13 and No. 12 pins of MCU control circuit 1 with 83 pins, be equally realize data transmission and
Receive.Its 33,25,24,23,31,36,21, No. 22 pins are connected with 11 to No. 18 pins of TVP5150 circuits process respectively
Video signal after converted, is exported by No. 99 pin TV_CVBS, and TV_CVBS is by becoming DVR_CVBS_OUT after circuit conversion
Export to No. 5 pins of video channel selection circuit 11.
10 schematic diagram of DVR power control circuits of the present utility model is illustrated in figure 5, the module is divided into 3 parts.One
Be the voltage that 3.3V is converted to by normal electricity, built-in DVR circuits 2 are controlled by the voltage of the 3.3V after changing；Which two is power supply
Circuit 14 is converted into PWR control voltages by the 5V voltages after the ACC conversions of 12V through inductance L16, is converted into DVR_1.8V respectively
Use to built-in DVR circuits 2 with the voltage of DVR_1.3V；Which three is to be converted into DVR_3.3V to built-in DVR circuits by STM32 controls
2 use.
9 schematic diagram of power control circuit of the present utility model is illustrated in figure 6, the module is divided into two parts.The first
Controlled the VCC that normal piezoelectric voltage is converted to 12V, then the VCC that 5V is converted voltages into by chip AP1509 by chip 9435；Its
Two is the VCC that the VCC of 5V is converted to 3.3V by chip AM1117-3.3.
11 schematic diagram of video channel selection circuit of the present utility model is illustrated in figure 8, the module is received by external interface
Video channel DVR_CVBS_OUT of 6 forward sight channel C AM_FV of circuit, backsight channel C AM_RV and built-in DVR circuits 2 is passed through
Video channel selection circuit 11 is processed, and selects one of video channel to CVBS outputs 7.
It is illustrated in figure 94 schematic diagram of the video decoding circuit of the present utility model module and is broadly divided into two parts.Be by
The circuit of chip TVP5150 controls, TVP5150 are super low-power consumption, the high performance video for supporting the forms such as NTSC/PAL/SECAM
Decoder chip.No. 1 of the chip and No. 2 pins are received by 6 forward sight channel C AM_FV of external interface, backsight channel C AM_RV,
The two video signals lose any information by adding filter network to make primary signal not interfered by outside, CAM_FV ends
Filtering net is resistance R51, R48 by electric capacity C44, C45, and inductance L10 is constituted, the filtering net at CAM_RV ends be by electric capacity C48,
C49, resistance R57, R56, inductance L11 are constituted, after video decoder chip is converted into other signals by 11,12,13,14,
15th, 16,17 and No. 18 pins are exported and are processed to built-in DVR circuits 2.The SN_SCL and SN_SDA of 21 and No. 22 pins with built-in
The 17 of the core board chip U8 of DVR circuits 2 are connected with No. 19 pins, realize sending and receiving for data.
Claims (2)
1. image vehicle-running recording system before and after vehicle-mounted, it includes MCU control circuit（1）, put DVR circuits（2）, Vehicular video mould
Block（3）, video decoding circuit（4）, forward sight photographic head（5）, external interface circuit（6）, external DVR（7）, toggle switch circuit
（8）, power control circuit（9）, DVR power control circuits（10）, video channel selection circuit（11）, it is characterized in that CAN signal
It is transferred to MCU control circuit（1）Vehicular status signal receiving terminal, to MCU control circuit（1）Transmission vehicle shifting state letter
Number, MCU control circuit（1）Video switching signal outfan and video channel selection circuit（11）Switching signal input phase
Connection, to video channel selection circuit（11）Transmission video switching signal；External interface circuit（6）VT with
Video decoding circuit（4）With video channel selection circuit（11）Video signal input terminal be connected；To video decoding circuit（4）
With video channel selection circuit（11）Transmission video signal；Video decoding circuit（4）BT656 VTs with built-in
DVR circuits（2）BT656 video signal input terminals be connected, to built-in DVR circuits（2）BT656 videos letter after transmission conversion
Number, built-in DVR circuits（2）CVBS composite video signals outfan and video channel selection circuit（11）CVBS composite videos
Signal input part is connected, to video channel selection circuit（11）Transmission CVBS composite video signals.
2. vehicle-mounted image vehicle-running recording system in front and back according to claim 1, is characterized in that described MCU control circuit
（1）Model STM32F103C8T6 of middle single-chip microcomputer U5, MCU control circuit（1）Single-chip microcomputer U5 45 feet and 46 feet be vehicle
Status signal receiving terminal, 28,29 feet of single-chip microcomputer U5 are video switching signal outfan；Video channel selection circuit（11）Middle IC
Model M3366 of chip U1,2 feet and 4 feet of IC chip U1 are switching signal input；1 foot and 3 feet of IC chip U1 be regarding
Frequency signal input part, 5 feet of IC chip U1 are CVBS composite video signal inputs；External interface circuit（6）Connector P1
Model Header10X2, model Header7X2 of connector P2,15 feet and 16 feet of connector P1 are that video signal is defeated
Go out end；Video decoding circuit（4）Model TYP5150 of middle IC chip U7,1 foot and 2 feet of IC chip U7 are that video signal is defeated
Enter end, 11 feet and 18 feet of IC chip U7 are BT656 VTs；Built-in DVR circuits（2）The model of middle IC chip U8
For MSN-200, the 21 of IC chip U8,22,23,24,25,31,33,36 is BT656 video signal input terminals, IC chip U8
99 feet are CVBS composite video signal outfans.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620948696.5U CN206023944U (en) | 2016-08-26 | 2016-08-26 | Image vehicle-running recording system before and after vehicle-mounted |
| PCT/CN2017/085820 WO2018036232A1 (en) | 2016-08-26 | 2017-05-25 | Vehicle-mounted front and rear image driving recorder system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620948696.5U CN206023944U (en) | 2016-08-26 | 2016-08-26 | Image vehicle-running recording system before and after vehicle-mounted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023944U true CN206023944U (en) | 2017-03-15 |
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ID=58252758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620948696.5U Active CN206023944U (en) | 2016-08-26 | 2016-08-26 | Image vehicle-running recording system before and after vehicle-mounted |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206023944U (en) |
| WO (1) | WO2018036232A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036232A1 (en) * | 2016-08-26 | 2018-03-01 | 广州路派电子科技有限公司 | Vehicle-mounted front and rear image driving recorder system |
| CN107948614A (en) * | 2017-12-29 | 2018-04-20 | 北京九方广维科技有限公司 | A kind of video signal transmission system and method |
| CN109564709A (en) * | 2017-05-10 | 2019-04-02 | Jvc 建伍株式会社 | Recording control apparatus, recording device, record control method and record control program |
| CN109581931A (en) * | 2018-12-19 | 2019-04-05 | 广州路派电子科技有限公司 | A kind of controller system for panoramic looking-around system |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109017567B (en) * | 2018-08-30 | 2024-04-05 | 天津布尔科技有限公司 | Commercial vehicle auxiliary driving early warning device capable of being embedded into driving record monitoring system |
| CN113722252A (en) * | 2021-08-16 | 2021-11-30 | 北京图菱视频科技有限公司 | Communication protocol converter for mutual conversion between USB (Universal Serial bus), multi-channel serial port and CAN (controller area network) bus |
| CN113879213B (en) * | 2021-08-18 | 2023-09-19 | 北京汽车研究总院有限公司 | Vehicle, display system of automatic driving vehicle and control method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971425A (en) * | 2013-01-25 | 2014-08-06 | 昆达电脑科技(昆山)有限公司 | Vehicle travelling data recorder with front viewing and back viewing functions |
| CN203793219U (en) * | 2014-03-04 | 2014-08-27 | 南京海汽电子技术有限公司 | Inner rearview mirror integrated driving image system |
| CN105578148A (en) * | 2016-01-08 | 2016-05-11 | 湖南纽思曼导航定位科技有限公司 | Vehicle-mounted transmission device and method |
| CN206023944U (en) * | 2016-08-26 | 2017-03-15 | 广州路派电子科技有限公司 | Image vehicle-running recording system before and after vehicle-mounted |
-
2016
- 2016-08-26 CN CN201620948696.5U patent/CN206023944U/en active Active
-
2017
- 2017-05-25 WO PCT/CN2017/085820 patent/WO2018036232A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018036232A1 (en) * | 2016-08-26 | 2018-03-01 | 广州路派电子科技有限公司 | Vehicle-mounted front and rear image driving recorder system |
| CN109564709A (en) * | 2017-05-10 | 2019-04-02 | Jvc 建伍株式会社 | Recording control apparatus, recording device, record control method and record control program |
| CN107948614A (en) * | 2017-12-29 | 2018-04-20 | 北京九方广维科技有限公司 | A kind of video signal transmission system and method |
| CN109581931A (en) * | 2018-12-19 | 2019-04-05 | 广州路派电子科技有限公司 | A kind of controller system for panoramic looking-around system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018036232A1 (en) | 2018-03-01 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230717 Address after: Room 301, 3rd Floor, Building 6, No. 2 Tiantai 1st Road, Science City, Huangpu District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangzhou Lupai Liuma Technology Co.,Ltd. Address before: 510663 room 602, building A1, 6th floor, No.19, Kehui 2nd Street, Kehui Jingu Park, No.99, middle Kexue Avenue, Luogang District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU ROADPASSION ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |