CN201716989U - Vehicle mounted multi-media three-screen independent play system - Google Patents
Vehicle mounted multi-media three-screen independent play system Download PDFInfo
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- CN201716989U CN201716989U CN2010202696880U CN201020269688U CN201716989U CN 201716989 U CN201716989 U CN 201716989U CN 2010202696880 U CN2010202696880 U CN 2010202696880U CN 201020269688 U CN201020269688 U CN 201020269688U CN 201716989 U CN201716989 U CN 201716989U
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Abstract
The utility model relates to a vehicle mounted multi-media three-screen independent play system comprising a main machine, a tonic video function mould, a back left tonic video function mould and a back right tonic video function mould, all the function moulds connected to the main machine; a matrix circuit to switch tonic video signals is provided between the main machine and the function moulds mentioned above with the object to transmit signals respectively to the tonic video function mould, the back left tonic video function mould and the back right tonic video function mould; the back right tonic video function mould is further provided with an input function device capable of reading human and machine instructions and is communicated with the main machine via a CAN-BUS communication interface. The vehicle mounted entertaining system of the utility model enables the two headrest screens to display different contents. The two headrest screens is capable of not only playing different videos and audios but also allowing for functional operations, which overcomes the shortcomings of a vehicle-mounted entertaining system. With a simple structure, the vehicle mounted multi-media three-screen independent play system is also very convenient to use.
Description
Technical field
The present invention relates to the vehicle carried video equipment technical field, more particularly relate to a kind of Play System that is installed on pillow place behind the automobile.
Background technology
Continuous development along with automotive electronics, particularly family car popularizes fast, the functional requirement of people's vehicle entertainment system also improves day by day, at present from truck, the passenger traffic big bus is to family expenses dolly etc., its amusement is disposed: radio reception+MP3, CD+ radio reception, DVD+ radio reception, DVD+ radio reception+navigation, DVD+ radio reception+navigation+double end pillow screen waits allocation plan, DVD+ double end in these schemes pillow screen and two headrests in these the two kinds of configurations of DVD+ navigation+double end pillow screen shield play in have a dual mode: the one, be consistent with the content of console DVD main frame, the absence of audio playing function of resting the head on; Two is that the play content and the console DVD main frame of two headrests is inconsistent, and the play content of two headrests is consistent, headrest has the voice playing function, and these two kinds of schemes can only be carried out on the DVD main frame for the feature operation of headrest, can not carry out on headrest, obviously this also can't satisfy the demand of modern household car and commercial car.
Summary of the invention
Purpose of the present invention is exactly propose for the deficiency that solves prior art a kind of not only simple in structure, convenient and flexible installation, and two headrest screens can independent play-out different video and audio frequency, carry out feature operation, the vehicle mounted multimedia three screen independent play-out systems that the car entertainment function is promoted significantly.
The present invention adopts following technical solution to realize above-mentioned purpose: a kind of vehicle mounted multimedia three shields the independent play-out systems, it is characterized in that, it comprises main frame and goes up keynote video capability module, the right headrest of a left side, back headrest audio frequency and video functional module and the back audio frequency and video functional module that connects, audio-video signal switching matrix circuit is set between main frame and the described functional module, gives keynote video capability module, the right headrest of a left side, back headrest audio frequency and video functional module and back audio frequency and video functional module respectively identical or different audio-video signal; About headrest audio frequency and video functional module be provided with man-machine input function device, and carry out communication by CAN-BUS communication interface and main frame.
As further specifying of such scheme, described keynote video capability module comprises that the sound more than three kinds or three kinds in radio reception, DVD, the broadcast of USB/SD card media, digital-to-analog TV, IPOD, AV input, the DVD disc changer looks signal source, and the output terminal that sound is looked signal source connects audio-video signal switching matrix circuit.
The left and right headrest audio frequency and video module in described back is powered by main frame, is respectively arranged with power management module in the left and right headrest audio frequency and video module in back.
Described audio-video signal switching matrix circuit comprises by the video matrix handover module of host computer control and Audio Matrix switching and small-signal processing module, the video matrix handover module connects video decode and the UI processor in keynote video capability module, the right headrest of back left headrest audio frequency and video functional module and the back audio frequency and video functional module respectively, and the Audio Matrix switching is amplified driving with the volume control that the small-signal processing module is connected respectively in keynote video capability module, a left side, back headrest audio frequency and video functional module and the right side, the back headrest audio frequency and video functional module with audio frequency.
Described main frame is connected with the central controller that can control keynote video capability module, the right headrest of a left side, back headrest audio frequency and video functional module and back audio frequency and video functional module simultaneously, and central controller is connected host computer system by the CAN transceiver with data line.
Be provided with MCU, power management module, audio processing modules, built-in power amplifier, video processing module, GPS, bluetooth module, Digital Television, car load CAN BUS, CANBUS sound system, two main screen, keyboard processing module, Video Decoder, display screens driving, the digital screens of deciding machine of standard in the described host computer system, display screen and host computer system UART communication are arranged in the keynote video capability module, and this display screen is powered by host computer system.
The beneficial effect that the utility model adopts above-mentioned technical solution to reach is:
1, the utility model adopts matrix circuit to finish the audio-video signal switching part of main frame, main frame has two groups of audio frequency and video circuit outputs, give a left side, back headrest and the right headrest in back respectively, main frame, a left side, back headrest and the right headrest in back both same road audio-video signal can have been given simultaneously respectively, also different audio-video signals can be given simultaneously main frame, a left side, back headrest and the right headrest in back, strengthen the deficiency of vehicle entertainment system greatly, satisfied the needs of modern household car.
2, main frame must have communication (CAN-BUS) interface, carries out communication with a left side, back, the right headrest in back respectively, and has possessed man-machine input function (as button and touch-screen), makes the user who is seated at back row also can carry out feature operation, and is easy to use.
Description of drawings
Fig. 1 is the native system principle schematic;
Fig. 2 is the main frame theory diagram;
Fig. 3 is the headrest schematic block circuit diagram.
Description of reference numerals: 1, main frame 2, audio-video signal switching matrix circuit 3, reception antenna 4, gps antenna 5, television antenna 6, intelligent track backing system 7, video matrix handover module 8, Audio Matrix switch and small-signal processing module 9, keynote video capability module
Embodiment
As shown in Figure 1, a kind of vehicle mounted multimedia three shields the independent play-out systems, it comprises main frame 1 and goes up keynote video capability module 9, the right headrest of a left side, back headrest audio frequency and video functional module and the back audio frequency and video functional module that connects, audio-video signal switching matrix circuit 2 is set between main frame 1 and the described functional module, gives keynote video capability module, the right headrest of a left side, back headrest audio frequency and video functional module and back audio frequency and video functional module respectively identical or different audio-video signal; About headrest audio frequency and video functional module be provided with man-machine input function device, and carry out communication by CAN-BUS communication interface and main frame.Main frame 1 is connected with the central controller that can control keynote video capability module, the right headrest of a left side, back headrest audio frequency and video functional module and back audio frequency and video functional module simultaneously, and central controller is connected host computer system by the CAN transceiver with data line.The input end of main frame 1 connects reception antenna 3, gps antenna 4 and television antenna 5, intelligent track backing system 6, be provided with MCU, power management module, audio processing modules, built-in power amplifier, video processing module, GPS, bluetooth module, Digital Television, car load CAN BUS, CAN BUS sound system, two main screen, keyboard processing module, Video Decoder, display screens driving, the digital screens of deciding machine of standard in main frame 1 system, display screen and host computer system UART communication are arranged in the keynote video capability module, and this display screen is powered by host computer system.Generally speaking, keynote video capability module comprises that the sound more than three kinds or three kinds in radio reception, DVD, the broadcast of USB/SD card media, digital-to-analog TV, IPOD, AV input, the DVD disc changer looks signal source, and the output terminal that sound is looked signal source connects audio-video signal switching matrix circuit.The left and right headrest audio frequency and video module in back is powered by main frame, is respectively arranged with power management module in the left and right headrest audio frequency and video module in back.Audio-video signal switching matrix circuit 6 comprises by the video matrix handover module 7 of host computer control and Audio Matrix switching and small-signal processing module 8, the video matrix handover module connects video decode and the UI processor in keynote video capability module, the right headrest of back left headrest audio frequency and video functional module and the back audio frequency and video functional module respectively, and the Audio Matrix switching is amplified driving with the volume control that the small-signal processing module is connected respectively in keynote video capability module, a left side, back headrest audio frequency and video functional module and the right side, the back headrest audio frequency and video functional module with audio frequency.
In the use, be seated at the power switch that front-seat user opens main frame, displaying video is audio-visual, subsequently, user in the car can operate a left side, back headrest audio frequency and video functional module and back right headrest audio frequency and video functional module by button and touch-screen respectively according to individual demand, operation signal is sent to host computer system, and export corresponding signal through audio-video signal switching matrix circuit by host computer system, realize giving keynote video capability module, a left side, back headrest audio frequency and video functional module and back the right audio frequency and video functional module of resting the head on respectively identical or different audio-video signal.
Above-described only is preferred implementation of the present utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (6)
1. a vehicle mounted multimedia three shields the independent play-out systems, it is characterized in that, it comprises main frame and goes up keynote video capability module, the right headrest of a left side, back headrest audio frequency and video functional module and the back audio frequency and video functional module that connects, audio-video signal switching matrix circuit is set between main frame and the described functional module, gives keynote video capability module, the right headrest of a left side, back headrest audio frequency and video functional module and back audio frequency and video functional module respectively identical or different audio-video signal; About headrest audio frequency and video functional module be provided with man-machine input function device, and carry out communication by CAN-BUS communication interface and main frame.
2. vehicle mounted multimedia three according to claim 1 shields the independent play-out systems, it is characterized in that, described keynote video capability module comprises that the sound more than three kinds or three kinds in radio reception, DVD, the broadcast of USB/SD card media, digital-to-analog TV, IPOD, AV input, the DVD disc changer looks signal source, and the output terminal that sound is looked signal source connects audio-video signal switching matrix circuit.
3. vehicle mounted multimedia three according to claim 1 shields the independent play-out systems, it is characterized in that, the left and right headrest audio frequency and video module in described back is powered by main frame, is respectively arranged with power management module in the left and right headrest audio frequency and video module in back.
4. vehicle mounted multimedia three according to claim 1 and 2 shields the independent play-out systems, it is characterized in that, described audio-video signal switching matrix circuit comprises by the video matrix handover module of host computer control and Audio Matrix switching and small-signal processing module, the video matrix handover module connects keynote video capability module respectively, video decode and UI processor in the left right audio frequency and video functional module of resting the head on of audio frequency and video functional module and back of resting the head in back, the Audio Matrix switching is connected keynote video capability module respectively with the small-signal processing module, volume control in the right headrest of back left side headrest audio frequency and video functional module and the back audio frequency and video functional module is amplified with audio frequency and is driven.
5. vehicle mounted multimedia three according to claim 1 shields the independent play-out systems, it is characterized in that, described main frame is connected with the central controller that can control keynote video capability module, the right headrest of a left side, back headrest audio frequency and video functional module and back audio frequency and video functional module simultaneously, and central controller is connected host computer system by the CAN transceiver with data line.
6. vehicle mounted multimedia three according to claim 1 shields the independent play-out systems, it is characterized in that, be provided with MCU, power management module, audio processing modules, built-in power amplifier, video processing module, GPS, bluetooth module, Digital Television, car load CAN BUS, CANBUS sound system, two main screen, keyboard processing module, Video Decoder, display screens driving, the digital screens of deciding machine of standard in the described host computer system, display screen and host computer system UART communication are arranged in the keynote video capability module, and this display screen is powered by host computer system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202696880U CN201716989U (en) | 2010-07-23 | 2010-07-23 | Vehicle mounted multi-media three-screen independent play system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202696880U CN201716989U (en) | 2010-07-23 | 2010-07-23 | Vehicle mounted multi-media three-screen independent play system |
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| Publication Number | Publication Date |
|---|---|
| CN201716989U true CN201716989U (en) | 2011-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202696880U Expired - Fee Related CN201716989U (en) | 2010-07-23 | 2010-07-23 | Vehicle mounted multi-media three-screen independent play system |
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| CN (1) | CN201716989U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350976A (en) * | 2011-08-31 | 2012-02-15 | 重庆长安汽车股份有限公司 | Vehicle-mounted CD (Compact Disc) player and combined displayer assembly of hybrid electric vehicle |
| CN102419999A (en) * | 2011-09-30 | 2012-04-18 | 惠州市德赛西威汽车电子有限公司 | Multi-media system of automobile |
| CN102568537A (en) * | 2012-03-01 | 2012-07-11 | 深圳市云域科技开发有限公司 | Vehicle-mounted 3G (third-generation) intelligent information terminal |
| CN105530531A (en) * | 2014-09-29 | 2016-04-27 | 深圳市赛格导航科技股份有限公司 | Method and system for vehicle audio-video multi-screen playing |
-
2010
- 2010-07-23 CN CN2010202696880U patent/CN201716989U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102350976A (en) * | 2011-08-31 | 2012-02-15 | 重庆长安汽车股份有限公司 | Vehicle-mounted CD (Compact Disc) player and combined displayer assembly of hybrid electric vehicle |
| CN102419999A (en) * | 2011-09-30 | 2012-04-18 | 惠州市德赛西威汽车电子有限公司 | Multi-media system of automobile |
| CN102568537A (en) * | 2012-03-01 | 2012-07-11 | 深圳市云域科技开发有限公司 | Vehicle-mounted 3G (third-generation) intelligent information terminal |
| CN105530531A (en) * | 2014-09-29 | 2016-04-27 | 深圳市赛格导航科技股份有限公司 | Method and system for vehicle audio-video multi-screen playing |
| CN105530531B (en) * | 2014-09-29 | 2019-01-01 | 深圳市赛格导航科技股份有限公司 | Vehicle carried video multi-screen playback method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20140723 |
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| EXPY | Termination of patent right or utility model |