CN205847532U - A kind of based on digital instrument with the Double-Screen Display System of vehicle audio - Google Patents
A kind of based on digital instrument with the Double-Screen Display System of vehicle audio Download PDFInfo
- Publication number
- CN205847532U CN205847532U CN201620724424.7U CN201620724424U CN205847532U CN 205847532 U CN205847532 U CN 205847532U CN 201620724424 U CN201620724424 U CN 201620724424U CN 205847532 U CN205847532 U CN 205847532U
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- hdmi
- core board
- lvds
- vehicle audio
- chip
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
nullThis utility model discloses a kind of based on digital instrument with the Double-Screen Display System of vehicle audio，Vehicle body power supply is that each device is powered by the power supply chip of digital instrument mainboard and vehicle audio mainboard respectively，The core board of digital instrument mainboard and a LCD screen are connected，The HDMI of vehicle audio mainboard、LVDS or MIPI turns RGB chip and is connected with another LCD screen，Core board and HDMI、LVDS or MIPI turns RGB chip and is connected，The core board of digital instrument mainboard is connected with the touch screen of vehicle audio，Core board exports a railway digital rgb signal and is shown by the LCD screen being connected with core board，Core board exports another road HDMI、LVDS or MIPI signal，Through HDMI、After LVDS or MIPI turns the conversion of RGB chip，By with HDMI、Another LCD screen that LVDS or MIPI turns RGB chip connected shows，Two-path video signal can individually show，It does not interfere with each other，And vehicle audio realizes touch function by core board.This utility model has that design is simple, reliability high, the feature of low cost, can be widely applied to automobile electronic system field.
Description
Technical field
This utility model relates to electronic automobile meter and car audio system field, particularly relates to a kind of based on digital instrument
Table and the Double-Screen Display System of vehicle audio.
Background technology
Existing digital instrument and vehicle audio generally use 2 single systems, have 2 CPU processor and relevant outside
Peripheral equipment.Two single systems are respectively through test and checking.Relatively costly.
Utility model content
The purpose of this utility model is the deficiency in order to overcome above-mentioned background technology, it is provided that a kind of based on digital instrument and car
Carrying the Double-Screen Display System of sound equipment, this utility model has that design is simple, cost is relatively low, reliability high feature.
The technical solution of the utility model is:
A kind of based on digital instrument with the Double-Screen Display System of vehicle audio, comprise digital instrument mainboard, vehicle audio master
Plate, two pieces of LCD screen, touch screens, described digital instrument mainboard is made up of core board, power supply chip, MCU chip, and described is vehicle-mounted
Sound equipment mainboard includes that HDMI, LVDS or MIPI turn RGB chip, bluetooth module, GPS module, radio module, power supply chip II, sound
Effect chip, power amplifier chips, vehicle body power supply is respectively by digital instrument mainboard and the power supply chip of vehicle audio mainboard and power supply core
Sheet II is powered for each device, and the core board of digital instrument mainboard is connected with the touch screen of vehicle audio, vehicle audio mainboard
HDMI, LVDS or MIPI turn RGB chip and are connected with another LCD screen, it is characterised in that: core board turns with HDMI, LVDS or MIPI
RGB chip is connected, and core board realizes the touch function of vehicle audio,
Core board exports a railway digital rgb signal and is shown by the LCD screen being connected with core board, and core board exports another road
HDMI, LVDS or MIPI signal, after HDMI, LVDS or MIPI turn the conversion of RGB chip, is turned RGB by with HDMI, LVDS or MIPI
Chip another LCD screen that is connected shows.
Described HDMI, LVDS or MIPI turn RGB chip can by core board export output another road HDMI, LVDS or
MIPI signal, turns RGB chip through HDMI, LVDS or MIPI and is converted into digital RGB signal or analog rgb signal drives another LCD
Screen.
Two pieces of described LCD screen are TFT LCD display.
The core board that the touch function of vehicle audio is connected on digital instrument by the switching of vehicle audio mainboard realizes
Touch function.
Core board is made up of CPU, EMMC, DDR3SDRAM, exports 24,1 tunnel rgb signal and drives and digital instrument mainboard phase
LCD screen even, another output 1 road HDMI, LVDS or MIPI is responsible for power supply to vehicle audio mainboard, the MCU on digital instrument dash board
Management and the detection of body of a motor car signal and control.The Power convert of vehicle body is become the electricity that digital instrument mainboard needs by power supply chip
Source.
Described vehicle audio mainboard includes that HDMI, LVDS or MIPI turn RGB chip, bluetooth module, GPS module, radio reception
Module, power supply chip II, sound chip, power amplifier chips, another LCD screen that vehicle audio mainboard is connected shows by digital instrument master
HDMI, LVDS or MIPI signal of plate output, turns the conversion of RGB chip through HDMI, LVDS or MIPI, is converted into the numeral of 24
Rgb signal, drives another LCD screen being connected with vehicle audio mainboard, shows corresponding content.The LCD screen of digital instrument mainboard
Different contents can be individually shown with another LCD screen of vehicle audio mainboard.The bluetooth module of vehicle audio mainboard, GPS mould
Block, radio module are respectively with CPU and the MCU communication on digital instrument mainboard.Voice output is to sound chip, through power amplifier chips
Rear output is to loudspeaker.Power supply chip on vehicle audio mainboard changes the power supply signal power supply into modules of vehicle body.
The touch screen of vehicle audio.It is directly connected to the cpu chip on the core board of digital instrument mainboard.
This utility model has the advantages that
1, use a core board to export 1 railway digital rgb signal respectively and drive the LCD screen of digital instrument mainboard, and output
The LCD of HDMI, LVDS or MIPI signal 24 bit digital rgb signal rear drive another vehicle audio mainboards bright through being converted into
Screen.Two LCD screen can individually show content.Save a core board and the circuit such as relevant power circuit and detection.Simplify
System design.Decrease the element of entirety, add the reliability of system.
2, the holistic cost of two systems is reduced.
Accompanying drawing explanation
Fig. 1 is system structure schematic diagram of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described in further detail by embodiment, but this embodiment should not be understood
For to restriction of the present utility model.
See Fig. 1, a kind of based on digital instrument with the Double-Screen Display System of vehicle audio, comprise digital instrument mainboard, car
Carrying sound equipment mainboard, two pieces of LCD screen, touch screens, described digital instrument mainboard is made up of core board, power supply chip, MCU chip, institute
The vehicle audio mainboard stated includes that HDMI turns RGB chip, bluetooth module, GPS module, radio module, power supply chip II, audio core
Sheet, power amplifier chips, vehicle body power supply is respectively by digital instrument mainboard and the power supply chip of vehicle audio mainboard and power supply chip II
Powering for each device, the core board of digital instrument mainboard is connected with the touch screen of vehicle audio, and the HDMI of vehicle audio mainboard turns
RGB chip is connected with another LCD screen, it is characterised in that: core board turns RGB chip and is connected with HDMI, and core board realizes vehicle-mounted sound
The touch function rung,
Core board exports a railway digital rgb signal and is shown by the LCD screen being connected with core board, and core board exports another road
HDMI signal, after HDMI turns the conversion of RGB chip, is shown by turning RGB chip another LCD screen that is connected with HDMI；Described
Two pieces of LCD screen are TFT LCD display,
Core board exports a railway digital rgb signal and is shown by the LCD screen being connected with core board, and core board exports another road
HDMI signal, after HDMI turns the conversion of RGB chip, is shown by turning another LCD screen that RGB chip is connected with HDMI, two-way
Video signal can individually show, does not interfere with each other.And vehicle audio realizes touch function by core board.Described core board by
CPU, EMMC, DDR3SDRAM form,
Described HDMI turns another road of output HDMI signal that core board can be exported by RGB chip, turns RGB chip through HDMI
Being converted into digital RGB signal can also be that analog rgb signal drives another LCD screen.
It is SII9293 that described HDMI turns RGB chip, and described CPU is A20, and described MCU chip is STM32, described
EMMC chip be THGBMBG5D1KBAIL.Described DDR3SDRAM chip is K4B2G1646Q, described power supply chip and
Power supply chip II is XRP6124HV, and described bluetooth module is MD-R201, and described GPS module is DD202, described radio reception
Module is SI4754, and described sound chip is TDA7729, and described power amplifier chips is TPA3118.This utility model has and sets
Meter is simple, reliability is high, low cost feature, can be widely applied to automobile electronic system field.
Obviously, those skilled in the art can carry out various change and modification without deviating from this practicality to this utility model
Novel spirit and scope.So, if of the present utility model these amendment and modification belong to this utility model claim and
Within the scope of its equivalent technologies, then this utility model is also intended to comprise these change and modification.
The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (3)
1. based on digital instrument and a Double-Screen Display System for vehicle audio, comprise digital instrument mainboard, vehicle audio mainboard,
Two pieces of LCD screen, touch screens, described digital instrument mainboard is made up of core board, power supply chip, MCU chip, described vehicle audio
Mainboard includes that HDMI, LVDS or MIPI turn RGB chip, bluetooth module, GPS module, radio module, power supply chip II, audio core
Sheet, power amplifier chips, vehicle body power supply is respectively by digital instrument mainboard and the power supply chip of vehicle audio mainboard and power supply chip II
Powering for each device, the core board of digital instrument mainboard is connected with the touch screen of vehicle audio, the HDMI of vehicle audio mainboard,
LVDS or MIPI turns RGB chip and is connected with another LCD screen, it is characterised in that: core board and HDMI, LVDS or MIPI turn RGB core
Sheet is connected, and core board realizes the touch function of vehicle audio,
Core board exports a railway digital rgb signal and is shown by the LCD screen being connected with core board, core board export another road HDMI,
LVDS or MIPI signal, after HDMI, LVDS or MIPI turn the conversion of RGB chip, is turned RGB chip by with HDMI, LVDS or MIPI
Another LCD screen that is connected shows.
It is the most according to claim 1 based on digital instrument with the Double-Screen Display System of vehicle audio, it is characterised in that: described
HDMI, LVDS or MIPI turn RGB chip can by core board export another road of output HDMI, LVDS or MIPI signal, warp
HDMI, LVDS or MIPI turn RGB chip and are converted into digital RGB signal or analog rgb signal drives another LCD screen.
It is the most according to claim 1 based on digital instrument with the Double-Screen Display System of vehicle audio, it is characterised in that: described
Two pieces of LCD screen be TFT LCD display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620724424.7U CN205847532U (en) | 2016-07-11 | 2016-07-11 | A kind of based on digital instrument with the Double-Screen Display System of vehicle audio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620724424.7U CN205847532U (en) | 2016-07-11 | 2016-07-11 | A kind of based on digital instrument with the Double-Screen Display System of vehicle audio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205847532U true CN205847532U (en) | 2016-12-28 |
Family
ID=57618295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620724424.7U Active CN205847532U (en) | 2016-07-11 | 2016-07-11 | A kind of based on digital instrument with the Double-Screen Display System of vehicle audio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205847532U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671907A (en) * | 2017-01-04 | 2017-05-17 | 延锋伟世通电子科技（南京）有限公司 | Double-screen display vehicle-mounted information entertainment system |
| CN109618112A (en) * | 2019-02-25 | 2019-04-12 | 北京茵沃汽车科技有限公司 | A kind of Signals Transfer Board for 360 degree of panorama cameras |
| CN111489671A (en) * | 2019-01-28 | 2020-08-04 | 厦门雅迅网络股份有限公司 | Self-checking circuit for vehicle-mounted L VDS signal output |
| CN112349238A (en) * | 2021-01-06 | 2021-02-09 | 智道网联科技(北京)有限公司 | Vehicle-mounted device, display driving method, and control circuit |
| CN112346688A (en) * | 2020-10-27 | 2021-02-09 | 武汉蓝星科技股份有限公司 | Double-screen display system based on single processor |
| CN112367480A (en) * | 2020-10-27 | 2021-02-12 | 武汉蓝星科技股份有限公司 | Multi-screen display system based on single processor |
-
2016
- 2016-07-11 CN CN201620724424.7U patent/CN205847532U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671907A (en) * | 2017-01-04 | 2017-05-17 | 延锋伟世通电子科技（南京）有限公司 | Double-screen display vehicle-mounted information entertainment system |
| CN106671907B (en) * | 2017-01-04 | 2017-12-19 | 延锋伟世通电子科技（南京）有限公司 | A kind of shuangping san vehicle-mounted information and entertainment system |
| CN111489671A (en) * | 2019-01-28 | 2020-08-04 | 厦门雅迅网络股份有限公司 | Self-checking circuit for vehicle-mounted L VDS signal output |
| CN111489671B (en) * | 2019-01-28 | 2023-12-15 | 厦门雅迅网络股份有限公司 | Self-checking circuit for vehicle-mounted LVDS signal output |
| CN109618112A (en) * | 2019-02-25 | 2019-04-12 | 北京茵沃汽车科技有限公司 | A kind of Signals Transfer Board for 360 degree of panorama cameras |
| CN109618112B (en) * | 2019-02-25 | 2024-03-19 | 北京茵沃汽车科技有限公司 | Signal adapter plate for 360-degree panoramic camera |
| CN112346688A (en) * | 2020-10-27 | 2021-02-09 | 武汉蓝星科技股份有限公司 | Double-screen display system based on single processor |
| CN112367480A (en) * | 2020-10-27 | 2021-02-12 | 武汉蓝星科技股份有限公司 | Multi-screen display system based on single processor |
| CN112349238A (en) * | 2021-01-06 | 2021-02-09 | 智道网联科技(北京)有限公司 | Vehicle-mounted device, display driving method, and control circuit |
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| GR01 | Patent grant |