CN208013826U - Guidance entertainment system core board is controlled in a kind of novel automobile - Google Patents
Guidance entertainment system core board is controlled in a kind of novel automobile Download PDFInfo
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- CN208013826U CN208013826U CN201721376427.7U CN201721376427U CN208013826U CN 208013826 U CN208013826 U CN 208013826U CN 201721376427 U CN201721376427 U CN 201721376427U CN 208013826 U CN208013826 U CN 208013826U
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Abstract
The utility model discloses guidance entertainment system core board, including the full will science and technology T8 chips of CPU, RAM memory, eMMC memories, PMU power supervisors, SD card interface, USB interface, audio input output interface, video input and output interface, video frequency processing chip, USB HUB chips, TFT screens interface, capacitance touch screen interface, WIFI antennal interfaces, GPS antenna interface and Bluetooth antenna interface are controlled in a kind of novel automobile.The utility model uses core board mode, core board is integrated with Primary Component and function, Bluetooth chip, wifi chip and navigator fix chip and USB HUB integrated chips are to core board, so that key function accomplishes better consistency and higher stability, facilitate secondary development and the large-scale promotion of product.
Description
Technical field
The utility model is related to automobile navigation fields, and in particular to guidance entertainment system core is controlled in a kind of novel automobile
Plate.
Background technology
Largely design still uses traditional bluetooth module, GPS module to do overall design, and cars on hand in present market
Load USB device is more and more, and the single channel USB interface or two-way USB interface of traditional complete machine cannot be satisfied more equipment of terminal user
Connection requirement, traditional overall design is complicated, with high costs；
Largely design still uses traditional bluetooth module, GPS module to do overall design, and USB interface in present market
Only single channel or two-way cannot meet the connection of the multiple vehicle-mounted USB devices of user, and whole production assembly is inconvenient, with high costs,
Product design is complicated, is required for re-starting PCB layout per the exploitation of money product, it has not been convenient to product secondary development, product
Stability and the bad holding of consistency.
Invention content
The technical problem to be solved by the utility model is to provide in a kind of novel automobile control guidance entertainment system core board,
Using core board mode, core board is integrated with Primary Component and function, Bluetooth chip, wifi chip and navigator fix chip and
USB HUB integrated chips are to core board so that key function accomplishes better consistency and higher stability, facilitates product
Secondary development and large-scale promotion.
The utility model is achieved through the following technical solutions：Guidance entertainment system core is controlled in a kind of novel automobile
Plate, including T8 core boards, RAM memory, eMMC memories, PMU power supervisors, SD card interface, USB interface, audio input
Output interface, video input and output interface, video frequency processing chip, USB HUB chips, TFT screens interface, capacitance touch screen interface,
GPS antenna interface and Bluetooth antenna interface, each supply voltage needed for PMU power supervisor output systems, the simulation of external equipment
Vision signal and the frequent signal of analog audio are input to T8 core boards in the form of analog signal, on Analogvideotransmission to core board
Video frequency processing chip, BT656 digital signals are converted to by analog signal, T8CPU is inputed to and does data processing；Analogue audio frequency is defeated
Enter the parts CODEC to PMU chips, digital audio is switched to by analog audio signal, inputs to T8CPU and do digital processing；Video
After cpu data processing and decoding, shown to TFT screens by LVDS signal transmissions, audio by I2S digital audio and video signals or
Analog audio signal is transferred to external equipment.
The USB interface has two groups as a preferred technical solution, and one group of OTG USB interface, one group of HOST USB connects
Mouthful, it is all connected to cpu chip, HOST USB interfaces extend to 3 groups of USB interfaces by USB HUB chips.
Audio input output interface as a preferred technical solution,：Realize input and the analogue audio frequency output of MIC signals；
Video input and output interface：Realize 3 road analog video signal CVBS inputs and the input of yuv video analog signal, it is real
Existing vehicle-mounted common analog video input and DVD dish box vision signal input functions；
TFT screen interfaces：Core board exports LVDS signals, and highest can drive the high definition LVDS interface liquid of 1280*800 resolution ratio
Crystalline substance screen；
Capacitance touch screen interface：CPU directly handles touch screen communication signal；
Built-in GPS chip：CPU is communicated by UART port and GPS chip, the compatible Big Dipper+GPS positioning chip；
Embedded with bluetooth chip：CPU is communicated by UART port and Bluetooth chip, compatible bluetooth 2.1+EDR specifications.
Further include GPS chip and Bluetooth chip as a preferred technical solution,.
The GPS chip is communicated by UART port and GPS chip as a preferred technical solution, and the compatible Big Dipper+GPS is fixed
Position chip；CPU is communicated by UART port and Bluetooth chip.
The utility model has the beneficial effects that：The utility model uses core board mode, core board to be integrated with Primary Component
And function, Bluetooth chip, navigator fix chip and USB HUB integrated chips are to core board so that key function is accomplished preferably
Consistency and higher stability facilitate secondary development and the large-scale promotion of product.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the system diagram of the utility model.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
As shown in Figure 1, including T8 core boards, RAM memory, eMMC memories, PMU power supervisors, SD card interface,
USB interface, audio input output interface, video input and output interface, video frequency processing chip, USB HUB chips, TFT screens interface,
Capacitance touch screen interface, WIFI antennal interfaces, GPS antenna interface and Bluetooth antenna interface, PMU power supervisors output system institute
Each supply voltage, the frequent signal of analog video signal and analog audio of external equipment is needed to be input to T8 cores in the form of analog signal
Core, the video frequency processing chip on Analogvideotransmission to core board, BT656 digital signals are converted to by analog signal, are inputted
Data processing is done to T8CPU；Analog audio input switchs to digital sound to the parts CODEC of PMU chips, by analog audio signal
Frequently, it inputs to T8CPU and does digital processing；Video gives TFT screens after cpu data processing and decoding by LVDS signal transmissions
It has been shown that, audio are transferred to external equipment by I2S digital audio and video signals or analog audio signal.
This core board after the power is turned on, each supply voltage needed for PMU power supervisor output systems, later CPU from eMMC store
Bootstrap is read in device, reads the internal RAM of CPU, executes bootstrap, during executing bootstrap, completion pair
The initial configuration of memory.After the completion of initialization, then the operating system in eMMC memories copied in DDR memory,
Bring into operation operating system in DDR memory, during running operating system, completes the initialization of other peripheral hardwares, TFT
Screen shows start-up picture, and after operating system normally starts, into operation interface, the normal operation display interface of TFT screens passes through electricity
Interface can be operated by holding touch screen, clicked each application icon, can be run corresponding function.CODEC:Audio coding and
Decoder is built in PMU (AXP813)；
RAM memory：RAM memory is done using DDR3, the operation as bootstrap, operating system, application program is empty
Between, when system operation, all working is all completed herein.
EMMC memories：Operating system, the information such as application program are all stored in here it is possible to preserve system operation before shutdown
Status information can transfer this information after booting, into shutdown before state.
PMU power supervisors：Various supply voltages needed for core board, including 3.3V, 3.0V, 2.8V, 2.5V are generated,
1.5V, 1.2V, 1.1V.
SD card interface：This core board has 2 groups of SD card interfaces, can be used as navigation map and media card, while
It may be used as software upgrading.
USB interface：One group of OTG USB interface, one group of HOST USB interface are connected to cpu chip, and HOST USB interfaces are logical
It crosses USB HUB chips and extends to 3 groups of USB interfaces, so a total of 4 groups of USB interfaces of this core board pick out, can be used as USB flash disk use,
Simultaneously can be with external access of mouse, UVC cameras, the peripheral hardwares such as TPMS modules can also realize that connection mobile phone realizes mobile phone interconnecting function,
It is also used as software upgrading simultaneously.
The benefit of this system SD card and USB interface compared with prior art is：It acts not only as common SD and USB connects
Mouth uses, and is also used as system upgrade, is when system needs to upgrade, it is only necessary to upgrade file is copied in SD card or USB flash disk,
System restarts, you can realizes system upgrade function.4 road USB interfaces facilitate user to connect vehicle-mounted USB device simultaneously, such as
2 groups of USB interface cameras can be connected simultaneously, do front camera and rear camera recording function, and one group of TPMS equipment monitors automotive wheels in real time
Air pressure, also one group can connect USB flash disk, meet the entertainment requirements of client, and audio frequency and video can play at any time.
Built-in GPS chip：CPU is communicated by UART port and GPS chip, and the compatible Big Dipper+GPS positioning chip facilitates life
Production and test.Traditional scheme uses the mode of external GPS module, of high cost, and mainboard patch needs are secondary to cross stove, with traditional scheme
It compares, this scheme advantage is that GPS chip is integrated into core board, primary to cross stove attachment completion, realizes that low cost, high reliability carry
The consistency of high product.
Embedded with bluetooth chip：CPU is communicated by UART port and Bluetooth chip, and compatible bluetooth 2.1+EDR specifications are, it can be achieved that electricity
Script for story-telling is downloaded, and bluetooth handsfree call, A2DP audio transmissions are suitable for vehicle mounted guidance scheme, and built-in chip type facilitates production and survey
Examination.Traditional scheme uses the mode of external bluetooth module, and of high cost, compared with traditional scheme, this scheme advantage is Bluetooth chip
It is integrated into core board, realizes that low cost, high reliability improve the consistency of product.
Internal USB HUB chips：Allow system to extend to 4 road USB interfaces, facilitates user's connection more vehicle-mounted
USB device, such as 2 groups of USB interface cameras can be connected simultaneously, front camera and rear camera recording function is done, one group of TPMS equipment is real
When monitor air pressure of automobile tire, also one group can connect USB flash disk, meet the entertainment requirements of client, and audio frequency and video can be broadcast at any time
It puts.Greatly enhance the scalability of system.
The guidance entertainment system for installing this core board when being operated, is inputted by capacitance touch screen as human-computer interaction
Interface, TFT display screens are output to the loudspeaker of onboard system after audio frequency process as the output display unit of human-computer interaction, as
The output audio frequency apparatus of another human-computer interaction.
When navigation：GPS chip is the identifiable warps of CPU for receiving satellite-signal, and by the processing of the satellite-signal of reception
Latitude information, CPU compare the GPS latitude and longitude informations transmitted and the mapping program run in RAM, it may be determined that user's present bit
It sets, and the map position information that TFT is shown is real-time update, so system can accurately show the practical position of user.
When user will go to some address, user operates map interface, designated location information by capacitance touch screen, and CPU receives navigation
After instruction, by map datum, determines the optimization and comparison of current location and every road of customer objective address, determine optimal
Circuit is transferred to the display screen and loudspeaker of outside, with the shape of image and sound by the information after video processing and audio frequency process
Formula is presented to the user optimal route, networks if system is realized by WIFI, and real-time road condition information can also be shown on map,
User can facilitate the different roads of selection, to evade congested link.
It makes a phone call：It when user needs to make a phone call, can be dialed by several ways, when being connected with system in user hand
Afterwards, user can be in the bluetooth dialing interface dial-in direct of system, or searches for contact person from bluetooth telephone sheet and make a phone call,
Corresponding program can be called from mobile phone terminal dial-in direct, when system receives dial instruction, realize that mobile phone is made a phone call, simultaneously will
Voice signal is transferred to the audio processor of system by Bluetooth chip, is then output in the loudspeaker of complete machine, to realize sound
Reduction.
Video input：When user uses car-backing function, the analog video CVBS signals of rearview camera output pass through core
Core video AD C conversion chips processing after, be converted to BT656 signals, input to CPU processing, CPU after decoding process,
The video content of rearview camera is shown by LVDS signal transmissions to TFT screens.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any change or replacement expected without creative work should be covered within the scope of the utility model.
Therefore, the scope of protection of the utility model should be determined by the scope of protection defined in the claims.
Claims (5)
1. controlling guidance entertainment system core board in a kind of novel automobile, it is characterised in that：Including T8 core boards, RAM memory,
EMMC memories, PMU power supervisors, SD card interface, USB interface, audio input output interface, video input and output interface,
Video frequency processing chip, USB HUB chips, TFT screens interface, capacitance touch screen interface, WIFI antennal interfaces, GPS antenna interface and
Bluetooth antenna interface, each supply voltage needed for PMU power supervisor output systems.
2. controlling guidance entertainment system core board in novel automobile as described in claim 1, it is characterised in that：The USB interface
There are two groups, one group of OTG USB interface, one group of HOST USB interface is all connected to cpu chip, and HOST USB interfaces pass through USB
HUB chips extend to 3 groups of USB interfaces.
3. controlling guidance entertainment system core board in novel automobile as described in claim 1, it is characterised in that：Audio input exports
Interface：Realize input and the analogue audio frequency output of MIC signals；
Video input and output interface：It realizes 3 road analog video signal CVBS inputs and the input of yuv video analog signal, realizes vehicle
It carries and commonly uses analog video input and DVD dish box vision signal input functions；
TFT screen interfaces：Core board exports LVDS signals, and highest can drive the high definition LVDS interface liquid crystal of 1280*800 resolution ratio
Screen；
Capacitance touch screen interface：CPU directly handles touch screen communication signal；
Built-in WIFI chips：CPU supports 802.11b/g/n marks by SDIO and WIFI chip communications, 2.4GHz WIFI signals
It is accurate；
Built-in GPS chip：CPU is communicated by UART port and GPS chip, the compatible Big Dipper+GPS positioning chip；
Embedded with bluetooth chip：CPU is communicated by UART port and Bluetooth chip, compatible bluetooth 2.1+EDR specifications.
4. controlling guidance entertainment system core board in novel automobile as described in claim 1, it is characterised in that：Further include GPS cores
Piece and Bluetooth chip.
5. controlling guidance entertainment system core board in novel automobile as claimed in claim 4, it is characterised in that：The GPS chip
It is communicated by UART port and GPS chip, the compatible Big Dipper+GPS positioning chip；CPU is communicated by UART port and Bluetooth chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721376427.7U CN208013826U (en) | 2017-10-24 | 2017-10-24 | Guidance entertainment system core board is controlled in a kind of novel automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721376427.7U CN208013826U (en) | 2017-10-24 | 2017-10-24 | Guidance entertainment system core board is controlled in a kind of novel automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208013826U true CN208013826U (en) | 2018-10-26 |
Family
ID=63880398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721376427.7U Active CN208013826U (en) | 2017-10-24 | 2017-10-24 | Guidance entertainment system core board is controlled in a kind of novel automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110738975A (en) * | 2019-11-11 | 2020-01-31 | 延锋伟世通电子科技（南京）有限公司 | method for quickly displaying boot animation of full liquid crystal instrument |
| CN110807360A (en) * | 2019-09-19 | 2020-02-18 | 潍柴动力股份有限公司 | Method, device and system for detecting car stopping wall based on camera |
-
2017
- 2017-10-24 CN CN201721376427.7U patent/CN208013826U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110807360A (en) * | 2019-09-19 | 2020-02-18 | 潍柴动力股份有限公司 | Method, device and system for detecting car stopping wall based on camera |
| CN110738975A (en) * | 2019-11-11 | 2020-01-31 | 延锋伟世通电子科技（南京）有限公司 | method for quickly displaying boot animation of full liquid crystal instrument |
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