WO2012155592A1

WO2012155592A1 - In-vehicle multimedia video entertainment system

Info

Publication number: WO2012155592A1
Application number: PCT/CN2012/071662
Authority: WO
Inventors: 黄何允
Original assignee: Huang Heyun
Priority date: 2011-05-18
Filing date: 2012-02-27
Publication date: 2012-11-22
Also published as: CN202075668U

Abstract

The present solution relates to an in-vehicle multimedia video entertainment system comprising an in-vehicle host and a tablet computer; the in-vehicle host comprises an elastic metal contact element configured to electrically connect the in-vehicle host to the tablet computer; the tablet computer includes a tablet computer core module, a touch screen, a display screen and an electronic switch, wherein the tablet computer core module including a display screen driver circuit; after passing the elastic metal contact element, the display screen driver circuit communication signal and the touch screen control signal of the in-vehicle host, together with the display screen driver circuit communication signal and the touch screen control signal of the tablet computer, are electrically connected to the display screen and the touch screen of the tablet computer respectively through the electronic switch. The present solution joined all functions of a tablet computer in the existing in-vehicle host, therefore enabling it to have the functions of internet, sending and receiving mails, downloading and installing software etc. which greatly increasing its entertainment functions.

Description

Technical field

The utility model relates to an audio-visual entertainment system, in particular to an in-vehicle multimedia audio-visual entertainment system.

Background technique

The existing in-vehicle computer audio and video system can only be fixedly installed in the car, and the computer part cannot be disassembled and used independently. In addition, the current tablet computer cannot be connected with the car DVD multimedia audio and video system at the same time, thereby causing high cost.

Utility model content

The object of the present invention is to provide an in-vehicle multimedia audio-visual entertainment system with a single structure, reliable performance, low cost, and a vehicle-mounted mainframe and a tablet computer, which can share a display screen and a touch panel.

In order to solve the above technical problem, the utility model adopts the following technical solutions: A vehicle-mounted multimedia audio-visual entertainment system, comprising: an on-board host computer and a tablet computer; the vehicle-mounted host computer includes elasticity for electrically connecting the vehicle-mounted host computer and the tablet computer a metal contact component, the vehicle-mounted host further includes a display drive circuit communication signal and a touch screen control signal; the tablet computer includes a tablet core module, a touch screen, a display screen and an electronic switch, and the tablet core module includes a display screen drive circuit The tablet computer further includes a display drive circuit communication signal and a touch screen control signal; the display drive circuit communication signal of the vehicle host and the touch screen control signal pass through the elastic metal contact element Then, together with the display driving circuit communication signal and the touch screen control signal of the tablet computer, the electronic switch is electrically connected to the display screen and the touch screen of the tablet computer.

Further, the onboard host further includes an onboard host display.

Further, the onboard host further includes a lock button for fixing the tablet. Further, a spring is disposed in the lock button.

Further, a hook position is disposed in the lock button, and the vehicle host is provided with a lock hook that cooperates with the hook position.

Further, the tablet computer and the vehicle host further pass a power signal, a connection state control signal, a tablet button control signal, a switching control signal, a video signal output by the tablet computer, an audio signal output by the tablet computer, and an on-board host output. The image signal is electrically connected.

Further, the tablet computer and the vehicle host are electrically connected by a GPS serial communication signal.

Further, the vehicle host is an in-vehicle DVD multimedia audio and video system.

Further, the tablet is a mobile internet device.

The utility model adds all the functions of the tablet computer to the existing vehicle host, and therefore has the functions of surfing the Internet, sending and receiving mails, downloading and installing software, etc., so that the entertainment function is greatly improved.

DRAWINGS

FIG. 1 is a structural block diagram of a car multimedia entertainment system.

detailed description

The technical solution of the present invention will be described in detail below with reference to the accompanying drawings. As shown in FIG. 1, the in-vehicle multimedia entertainment system includes an in-vehicle host 1 and a tablet 2. Preferably, the in-vehicle host 1 is a car DVD multimedia audio and video system. Preferably, the tablet 2 is a Mobi le internet device (MID).

The vehicle-mounted host 1 includes a slot for fixing the tablet, an elastic metal contact member 6 for electrically connecting the vehicle-mounted host and the tablet, a hook for fixing the tablet to the vehicle-mounted host, and a vehicle host Display 8. Preferably, the onboard host further includes a control button 9, a processor 10, and a DVD reading system 11. The elastic metal contact member 6 has a signal pin, and the vehicle-mounted main unit 1 and the tablet computer 2 communicate with each other and conduct signals through the elastic metal contact member 6. Preferably, the on-board host display 8 is an LCD display for displaying the working state, the audio frequency, the frequency information, the time, and the man-machine conversation content of the vehicle-mounted host 1 when the vehicle-mounted host 1 is working independently. Wait. The onboard host further includes a display drive circuit communication signal and a touch screen control signal.

The tablet computer 2 includes a tablet core module 12, a touch screen 4, a display screen 3, and an electronic switch 5, and the tablet core module includes a display screen driving circuit. The display screen driving circuit is configured to process the analog image signal output by the vehicle-mounted host 1 to convert the analog image signal outputted by the vehicle-mounted host 1 into a digital signal to drive the display screen 3 of the tablet computer to operate normally. The electronic switch 5 is used to switch between the display of the display screen 3 of the tablet 2 and the touch screen 4 between the in-vehicle host 1 and the tablet 2. Preferably, the tablet computer 2 further includes a gold finger 7 that is in contact with the signal pins of the elastic metal contact element 6 to communicate and conduct signals. The tablet also Including display drive circuit communication signals, touch screen control signals.

a display driving circuit communication signal of the vehicle-mounted host 1 , a touch screen control signal, and a display driving circuit communication signal of the tablet computer 2 and a touch screen control signal respectively passing through the electronic switch 5 and displaying the tablet computer 1 The screen 3 and the touch screen 4 are electrically connected.

The vehicle-mounted host 1 further includes a lock button, and the vehicle-mounted host 1 and the tablet computer 2 are integrally fixed by the lock button. Preferably, the lock button is provided with a spring. Preferably, the lock button is provided with a hook position. Preferably, the vehicle-mounted main body 1 is provided with a lock hook that cooperates with the hook position. When the tablet computer 1 is mounted on the vehicle-mounted main body 2, the elasticity of the spring causes the lock button to move upward, so that the hook position on the lock button and the lock hook on the vehicle-mounted main body 1 are hooked to each other, thereby The computer 2 is fixed to the vehicle-mounted main unit 1, and both of them work at the same time, and can be switched freely. When the tablet 2 is removed, the lock button is pressed down, and the spring is compressed, so that the lock button is moved downward, and the lock position on the lock is released from the lock hook of the vehicle host 1 at this time. Tablet 2; When the tablet 2 is detached from the car host 1, the two become two separate systems, so the two can work independently and are not related to each other.

Preferably, the elastic metal contact element 6 and the gold finger 7 are also electrically connected by the following signals: a power signal, a connection state control signal, a tablet button control signal, a switching control signal, a video signal output by the tablet, a tablet The audio signal output by the computer and the image signal output by the host computer. Preferably, the signal further comprises a GPS serial communication signal.

Wherein the power signal includes a first power signal and a direction for charging the tablet 1 The second power signal of the display screen 3 is powered. Preferably, the first power signal is a 9V DC power source, and the second power signal is a 5V DC power source.

The GPS receiving module of the vehicle host 1 and the GPS module of the tablet 2 are electrically connected by the GPS serial communication signal.

The connection state control signal is used to indicate the connection state between the tablet computer 2 and the vehicle-mounted host 1. When the tablet computer 2 is connected to the vehicle-mounted host 1, the connection state control signal will become a low level, when the vehicle-mounted host 1 After detecting this low level, the two power signals are turned on, and the LCD display screen on the vehicle host 1 is turned off, and the display drive circuit communication signal is connected with the tablet computer 2, thereby controlling the tablet computer 2 The display driver circuit in the normal operation.

The tablet button control signal is a button control signal of the tablet computer, and the vehicle host computer 1 controls the tablet computer 2 to enter the "operation menu" and "return" operations.

The vehicle-mounted host 1 controls the electronic switch 5 in the tablet 2 to perform a switching operation by the change of the high and low levels of the switching control signal, thereby realizing the switching between the shared display screen 3 and the touch screen 4 between the vehicle-mounted host 1 and the tablet 2. .

The video signal output by the tablet computer and the audio signal output by the tablet computer are output to the vehicle host, and then processed by the vehicle host 1 to output an audio signal and at least two channels of video, and the at least two channels of video can be connected to at least the rear seat of the car. Two displays to play the video output by the tablet in the at least two displays; and the audio signal is amplified by the vehicle host, and then output to the speaker on the car through the power amplifying device, thereby being able to play the The audio signal output by the tablet.

The image signal output by the vehicle host is outputted by the vehicle host to the tablet 2 The image signal, therefore, the tablet 2 can display the played image of the in-vehicle host 1. When working, connect the car host and tablet together in the above manner. When the power button is pressed, the tablet of the car host will start at the same time. At this time, the car host will switch the tablet display and touch screen to the top. The state remembered during the second shutdown; then, the user can press the switch button on the vehicle host, and after receiving the command issued by the switch button, the vehicle host sends a high level or a low level to the tablet by using the switch control signal. Level, which controls the electronic switch in the tablet to switch to the car host or tablet to solve the display and touch screen sharing problems.

The utility model adds all the functions of the tablet computer in the existing vehicle host, and therefore has the functions of surfing the Internet, sending and receiving mails, downloading and installing software, etc., so that the entertainment function is greatly improved.

The above description is only a preferred embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. Any equivalent structure or equivalent process transformation made by using the specification and the drawings of the present invention may be directly or indirectly applied to Other related technical fields are included in the scope of patent protection of the present invention.

Claims

Claim

1. A vehicle-mounted multimedia audio-visual entertainment system, comprising: an on-board host computer and a tablet computer;

The vehicle-mounted host includes an elastic metal contact element for electrically connecting the vehicle-mounted host and the tablet computer, and the vehicle-mounted host further includes a display drive circuit communication signal and a touch screen control signal;

The tablet computer includes a tablet core module, a touch screen, a display screen and an electronic switch, and the tablet core module includes a display screen driving circuit; the tablet computer further includes a display screen driving circuit communication signal and a touch screen control signal;

The display driving circuit communication signal and the touch screen control signal of the vehicle-mounted host pass through the elastic metal contact component, communicate with the display screen driving circuit communication signal of the tablet computer, and the touch screen control signal respectively through the electronic switch and the The tablet's display and touch screen are electrically connected.

2. The in-vehicle multimedia entertainment system of claim 1, wherein: the onboard host further comprises an onboard host display.

3. The in-vehicle multimedia entertainment system of claim 1, wherein: the onboard host further comprises a lock button for fixing the tablet.

4. The in-vehicle multimedia audio-visual entertainment system according to claim 3, wherein: a spring is disposed in the lock button.

5. The vehicle-mounted multimedia entertainment system according to claim 3, wherein: the hook button is provided with a hook position, and the vehicle-mounted host is provided with a hook hook that cooperates with the hook position.

6. The vehicle-mounted multimedia entertainment system according to claim 1, wherein: the tablet computer and the vehicle-mounted host further pass a power signal, a connection state control signal, a tablet button control signal, a switching control signal, The video signal output by the tablet, the audio signal output by the tablet, and the image signal output by the vehicle host are electrically connected.

7. The vehicle-mounted multimedia entertainment system of claim 6, wherein: the tablet computer and the vehicle-mounted host are electrically connected by a GPS serial communication signal.

8. The in-vehicle multimedia audio-visual entertainment system according to claim 1, wherein: the in-vehicle host is an in-vehicle DVD multimedia audio-visual system.

9. The in-vehicle multimedia audio-visual entertainment system of claim 1, wherein: the tablet computer is a mobile internet device.