CN218577649U - Vehicle-mounted headrest screen control system - Google Patents
Vehicle-mounted headrest screen control system Download PDFInfo
- Publication number
- CN218577649U CN218577649U CN202222615048.6U CN202222615048U CN218577649U CN 218577649 U CN218577649 U CN 218577649U CN 202222615048 U CN202222615048 U CN 202222615048U CN 218577649 U CN218577649 U CN 218577649U
- Authority
- CN
- China
- Prior art keywords
- vehicle
- unit
- screen
- headrest
- headrest screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The utility model provides an on-vehicle headrest screen control system, including display module assembly, wiFi module, still include MCU the control unit, MCU the control unit is connected with the wiFi module through a slice upper system, MCU the control unit, the system on chip are connected with display module assembly respectively, and a data mapping unit and system on chip are connected, and this data mapping unit is used for carrying out the information interaction with the data mapping unit of on-vehicle host computer, makes the headrest screen realize through the wiFi module with the wireless connection of on-vehicle host computer, on-vehicle host computer is arranged in connecting on-vehicle well accuse screen, and it can realize being connected of headrest screen and on-vehicle host computer, avoids the signal interference that physical pencil brought the headrest screen.
Description
Technical Field
The application relates to the technical field of vehicle multimedia, in particular to a vehicle-mounted headrest screen control system.
Background
With the high-speed development of automobile multimedia, the technical content of an intelligent automobile cabin continuously rises, and more automobile types are equipped with a headrest screen for rear seats. The vehicle-mounted headrest screen is also called a headrest display, is usually installed on the back face of a headrest of a front seat, is an important component of an automobile audio-video system, can receive vehicle-mounted audio-video signals, and displays and plays the received audio-video signals on the headrest screen.
At present, the existing headrest screen and a central control share the same vehicle-mounted host, or an independent vehicle-mounted host needs to be designed. However, the headrest screen and the central control share one vehicle-mounted host to connect the rear headrest screen and the vehicle-mounted host, and as disclosed in patent No. CN203070737N, a physical harness is required to realize transmission between an audio/video signal and a control signal, and the length of the physical harness as a physical transmission path of the audio/video signal and the control signal in the vehicle is generally 3 to 4m, and the transmission rate of the current video signal is generally above GHz, so that the probability of interference on the video signal is greatly increased by the overlong harness, and the attenuation loss of the signal is also increased; and the headrest screen is provided with a vehicle-mounted host computer independently, so that additional design cost is increased, and the installation position of the vehicle-mounted host computer is reserved specially on the vehicle body, so that the load of the space utilization rate of the vehicle body is increased. Patent publication No. CN204316677U discloses an on-vehicle multimedia playing device, although an on-vehicle display device adopts a WiFi module to connect with a controller, it still needs to transmit data to the controller by means of wired connection, and information interaction cannot be realized between a vehicle main control screen and a headrest screen of the patent.
Disclosure of Invention
In view of the foregoing prior art's shortcoming, the utility model provides an on-vehicle headrest screen control system, its mode through the wiFi bridge realizes being connected of headrest screen and on-vehicle host computer, makes the installation of headrest screen more nimble, and can avoid the signal interference that the physics pencil brought to the headrest screen.
The utility model provides a pair of, a vehicle headrest screen control system, including display module assembly, wiFi module, still include MCU the control unit, MCU the control unit is connected with the wiFi module through a slice upper system, MCU the control unit, the piece upper system is connected with display module assembly respectively, and a data mapping unit and piece upper system are connected, and this data mapping unit is used for carrying out the information interaction with the data mapping unit of vehicle-mounted host computer, makes the headrest screen realize through the wiFi module with the wireless connection of vehicle-mounted host computer, the vehicle-mounted host computer is arranged in connecting on-vehicle well accuse screen.
In an embodiment of the application, the display module comprises a display screen unit and a touch unit, and the display screen unit and the touch unit are respectively connected with the MCU control unit.
In an embodiment of the present application, the touch unit is a capacitive touch screen, and the capacitive touch screen supports 10-point touch.
In an embodiment of the present application, a double-rate synchronous dynamic random access memory, an embedded multimedia card, and a power management unit are integrated in the system on chip.
In an embodiment of the present application, the data mapping unit is a Mirror _ Link module, or a carrife car system, or a carrplay car system.
In an embodiment of the application, the mobile phone further comprises a power supply unit, wherein the power supply unit respectively provides power for the display module, the MCU control unit, the WiFi module and the system on chip.
The beneficial effects of the above technical scheme are that: the utility model discloses a headrest screen is connected with on-vehicle host computer with the mode of wiFi bridge, does not need original physics pencil, can let the headrest screen of back row no longer be restricted to fixed connected mode, but the mounting means of adaptation is more, and the on-vehicle host computer of market mainstream all has wiFi function usually by oneself moreover, and consequently this system can realize the entertainment display function of back row headrest screen under the condition that does not increase host computer design cost. The cancellation of the connection of the physical wiring harness can also avoid signal interference and signal attenuation caused by the physical wiring harness, and the system does not need a chip for video serialization and deserialization, so that the related cost and the manufacturing cost can be saved. Because this system also need not alone to set up a vehicle-mounted host computer in addition for the headrest screen, consequently can release automobile body space, increase the space utilization of automobile body, be favorable to the reasonable overall arrangement of other spare parts. In addition, the system is provided with a data mapping unit, so that information interaction can be performed between the vehicle-mounted central control screen and the headrest screen.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a block diagram showing a configuration of an in-vehicle headrest screen control system according to an exemplary embodiment of the present application;
fig. 2 is a flowchart illustrating operation of an on-board headrest screen control system according to an exemplary embodiment of the present application.
Detailed Description
The embodiments of the present invention will be described with reference to the accompanying drawings and preferred embodiments, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure in the specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present invention.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
In the following description, numerous details are set forth to provide a more thorough explanation of embodiments of the present invention, however, it will be apparent to one skilled in the art that embodiments of the present invention may be practiced without these specific details, and in other embodiments, well-known structures and devices are shown in block diagram form rather than in detail in order to avoid obscuring embodiments of the present invention.
As shown in fig. 1, for a vehicle-mounted headrest screen control system's of this application structure block diagram, a vehicle-mounted headrest screen control system includes display module 1, wiFi module 2, still includes MCU the control unit 3, and this MCU the control unit 3 comprises singlechip and corresponding peripheral circuit, MCU the control unit 3 is connected with wiFi module 2 through a piece of upper system 4, MCU the control unit 3, the system on chip 4 are connected with display module 1 respectively, MCU the control unit 3 is used for the control about display status such as powering up and down and showing the light dark of display module 1, system on chip 4 is used for converting audio data, the video data that the headrest screen received into the recognizable format of display module 1, guarantees that display module 1 is to the effective display of audio frequency and video data. A data mapping unit 5 is connected with the system-on-chip 4, and this data mapping unit 5 is used for carrying out information interaction with the data mapping unit of on-vehicle host computer 6, makes the headrest screen realize through wiFi module 2 with on-vehicle host computer 6's wireless connection, on-vehicle host computer 6 is used for connecting on-vehicle well accuse screen 7, and on-vehicle host computer 6 can map audio data and video data to back row headrest screen through data mapping unit 5, various entertainment functions such as convenient user experience navigation, music, internet surfing.
In an embodiment of the application, the display module 1 includes a display screen unit 1-1 and a touch unit 1-2, the display screen unit 1-1 and the touch unit 1-2 are respectively connected with the MCU control unit 3 to implement the display and touch functions of a picture, the display screen unit 1-1 can adopt a display screen that supports 4K ultrahigh resolution at the maximum, which can greatly improve the visual viewing experience of a vehicle owner user, the touch unit 1-2 of the embodiment is a capacitive touch screen that supports 10 touch points, which can react to 10 fingers simultaneously, and can implement the use requirements of the vehicle owner user in various occasions, and in addition, the touch unit 1-2 can also adopt resistive or optical touch screens according to the manufacture and use requirements.
In an embodiment of the present application, the system on chip 4 is an SoC system, and a DDR (double data rate synchronous dynamic random access memory), an EMMC (embedded multimedia card), and a power management unit are integrated in the SoC system to ensure stable operation of the SoC system.
In an embodiment of the present application, the data mapping unit 5 is a Mirror _ Link module, or a carrife vehicle system, or a carrplay vehicle system, so that the present application can be applied to different vehicle types, thereby widening the application scenarios and the application range of the present application.
This embodiment data mapping unit 5 adopts the Mirror _ Link module, mirror _ Link itself is the agreement that the screen was thrown to the cell-phone, there are multiple modes such as USB, WIFI, bluetooth, it is as a pure software, mirror _ Link agreement can be transplanted the application place of on-vehicle host computer 6 end and back row headrest screen under the condition that does not increase hardware cost, promote user's experience, satisfy user's pluralism demand, make this application can adopt wiFi's mode to realize the Mirror _ Link interactive function between back row headrest screen and the on-vehicle host computer 6.
The architecture of the Mirror _ Link protocol can be divided into a connection protocol, a UPnP service protocol, a VNC protocol, an audio transmission protocol and a security mechanism protocol according to functional division.
The specific protocol content comprises the following steps:
1. connection protocols, including wired (USB) or wireless (WiFi or bluetooth) connection-oriented services and connectionless services based on IP for transmitting data and audio, and dedicated bluetooth connection schemes for transmitting telephone audio and application audio.
And 2, a UPnP service protocol is mainly used for providing a broadcasting mechanism between the back-row headrest screen and the vehicle-mounted host 6, informing the back-row headrest screen of an application program list on the vehicle-mounted host 6 at the moment and operating the application program list (starting, stopping, reporting the state and the like).
And 3, the VNC protocol is used for mapping the display content of the vehicle-mounted host 6 to the rear row headrest screen and feeding back the control information of the rear row headrest screen to the vehicle-mounted main sentence. The VNC protocol comprises RFB (remote frame buffer) protocol and control time transmission, and the RFB protocol is based on TCP/IP or UDP/IP protocol and is used for transmitting data in the remote frame buffer and providing compression function.
4. The audio transmission protocol, such as RTP protocol, or HFP and A2DP protocol of bluetooth, is mainly used for audio transmission of an application program.
5. And the safety mechanism protocol is used for authentication and confidentiality of the Mirror _ Link.
In an embodiment of this application, still include a power supply unit 8, power supply unit 8 provides the power for display module assembly 1, MCU the control unit 3, wiFi module 2, system on chip 4 respectively, provides necessary voltage for the work operation of each module, guarantees entire system's steady operation.
Referring to fig. 2, fig. 2 shows the working process of the present application, which is as follows,
s210 the back row headrest screen device is powered on, the MCU control unit and the SoC system self-defined initialization process are started, after the back row headrest screen device enters a display interface, the display interface is touched through the touch unit, the WiFi APP is operated, the WiFi module is opened, the Mirror _ Link APP is operated, the Mirror _ Link module is opened, and the back row headrest screen device enters a standby state.
And S220, powering on the vehicle-mounted host 6, and starting an initialization process. Control the screen in the operation is on-vehicle, and after the control screen entered into the main interface in on-vehicle, through the operation demonstration interface of control screen in on-vehicle, entered into wiFi APP, open the wiFi module of on-vehicle host computer, start wiFi focus function, make and form a LAN environment in the car.
And S230, according to the connection between the rear row headrest screen and the Mirror _ Link of the vehicle-mounted host, performing network connection between the vehicle-mounted host and the rear row headrest screen.
S240, the vehicle-mounted host and the rear headrest screen call a Mirror _ Link protocol through a local area network to realize an interaction function and transmit control instructions, audio data, video data and the like.
And S250, the vehicle-mounted host machine maps the audio data and the video data to a back row headrest screen through a Mirror _ Link protocol.
S260, the user can operate the touch unit of the back headrest screen to control the displayed specific content and realize various functions of navigation, music, internet surfing, entertainment and the like.
Claims (6)
1. The utility model provides an on-vehicle headrest screen control system, includes display module assembly, wiFi module, its characterized in that: the vehicle-mounted headrest system comprises a headrest screen, a display module, a WiFi module, a data mapping unit and a vehicle-mounted host, and is characterized by further comprising an MCU control unit, wherein the MCU control unit is connected with the WiFi module through a system-on-chip, the MCU control unit and the system-on-chip are respectively connected with the display module, the data mapping unit is connected with the system-on-chip, the data mapping unit is used for carrying out information interaction with the data mapping unit of the vehicle-mounted host, the headrest screen is wirelessly connected with the vehicle-mounted host through the WiFi module, and the vehicle-mounted host is used for connecting the vehicle-mounted middle control screen.
2. The vehicle-mounted headrest screen control system according to claim 1, wherein the display module comprises a display screen unit and a touch unit, and the display screen unit and the touch unit are respectively connected with the MCU control unit.
3. The vehicle-mounted headrest screen control system according to claim 2, wherein the touch unit is a capacitive touch screen supporting 10-point touch.
4. The vehicle-mounted headrest screen control system according to claim 1, wherein a double-rate synchronous dynamic random access memory, an embedded multimedia card and a power management unit are integrated in the system on chip.
5. The vehicle headrest screen control system according to claim 1, wherein the data mapping unit is a Mirror _ Link module, or a carrife vehicle system, or a carrlay vehicle system.
6. The vehicle-mounted headrest screen control system according to any one of claims 1 to 5, further comprising a power supply unit, wherein the power supply unit is used for providing power for the display module, the MCU control unit, the WiFi module and the system on chip respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222615048.6U CN218577649U (en) | 2022-09-30 | 2022-09-30 | Vehicle-mounted headrest screen control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222615048.6U CN218577649U (en) | 2022-09-30 | 2022-09-30 | Vehicle-mounted headrest screen control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218577649U true CN218577649U (en) | 2023-03-07 |
Family
ID=85366454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222615048.6U Active CN218577649U (en) | 2022-09-30 | 2022-09-30 | Vehicle-mounted headrest screen control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218577649U (en) |
-
2022
- 2022-09-30 CN CN202222615048.6U patent/CN218577649U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110979008B (en) | Multiprocessor distributed dual-screen instrument | |
| CN112214186B (en) | Information sharing method and vehicle-mounted terminal | |
| WO2018082105A1 (en) | Method and device for switching on-vehicle service using external sim card | |
| CN105922872B (en) | Vehicle control system and vehicle | |
| CN203135997U (en) | Vehicle information entertainment system having smartphone connecting function | |
| WO2017202195A1 (en) | Vehicle control method, vehicle main board, control system, and vehicle | |
| US20210131819A1 (en) | Portable vehicle touch screen device utilizing functions of smart phone | |
| CN205706185U (en) | Vehicle control system and vehicle | |
| CN210212246U (en) | Automobile cabin domain control system | |
| CN102749967A (en) | Split type portable vehicle-mounted computer system | |
| CN104539572A (en) | Mobile terminal and vehicle-mounted terminal interconnection information system and implementation method | |
| CN110879683A (en) | Screen information sharing method, terminal and vehicle | |
| CN105946747B (en) | Control method and vehicle mainboard in vehicle | |
| CN202814405U (en) | Vehicle-mounted multi-screen navigator system | |
| CN218577649U (en) | Vehicle-mounted headrest screen control system | |
| CN210469365U (en) | Novel vehicle-mounted information entertainment system | |
| CN111432020A (en) | Internet of vehicles cloud service platform, Internet of vehicles system and vehicle machine control method | |
| CN111469787A (en) | Host system for vehicle and vehicle | |
| CN202694029U (en) | WIFI mobile terminal multimedia playing system based on vehicle-mounted navigation | |
| CN212148726U (en) | Host system for vehicle and vehicle | |
| CN219883679U (en) | Rear-loading type vehicle-mounted intelligent management control terminal | |
| CN210083121U (en) | Automobile central control system core board | |
| CN216719487U (en) | Vehicle-mounted sound equipment host system | |
| CN110705982A (en) | Sweep rear-view mirror of sign indicating number payment | |
| WO2014112091A1 (en) | Information-display control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |