CN102984562A - Car multimedia play device - Google Patents
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- CN102984562A CN102984562A CN2012104903126A CN201210490312A CN102984562A CN 102984562 A CN102984562 A CN 102984562A CN 2012104903126 A CN2012104903126 A CN 2012104903126A CN 201210490312 A CN201210490312 A CN 201210490312A CN 102984562 A CN102984562 A CN 102984562A
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- 238000001514 detection method Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 13
- AQHIZIBWHMOFTL-UHFFFAOYSA-N 1-[3,5-bis(2-pyridin-2-ylbenzimidazol-1-yl)phenyl]-2-pyridin-2-ylbenzimidazole Chemical group N1=CC=CC=C1C1=NC2=CC=CC=C2N1C1=CC(N2C3=CC=CC=C3N=C2C=2N=CC=CC=2)=CC(N2C3=CC=CC=C3N=C2C=2N=CC=CC=2)=C1 AQHIZIBWHMOFTL-UHFFFAOYSA-N 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 4
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to a car multimedia play device. The device comprises a digital television signal receiving module, a video/audio play module, a car speed detection module and a control module, wherein the control module is connected to the digital television signal receiving module, the video/audio play module and the car speed detection module respectively, and the control module is used for controlling the operation of the digital television signal receiving module and the video/audio play module in accordance with detection results of the car speed detection module. By the aid of the device, the audio-visual requirements of drivers during slow-speed driving are guaranteed and the safety drive during high-speed driving is guaranteed.
Description
Technical field
The present invention relates to a kind of car multimedia playing device, relate in particular to a kind of being installed in the automobile at travel alarm and receive the car multimedia playing device of the digital broadcasting-television signal of multiple standards during at low speed of ultrahigh speed, in the driver drives a car process, can when moving, the automobile general speed provide when the automobile ultrahigh speed is moved, to guarantee safety traffic when enriching seeing and hearing enjoyment.
Background technology
Along with development and the progress of human society, popularizing and using of automobile will be more general and deeply, the traffic safety problem of thereupon the bringing large problem that also become international.And the superfast driving of automobile becomes the key factor of bringing out traffic accident, because under running at high speed, the driver does not often have time enough to make reflection, the accident that causes also often is major accident, even causes the personnel death.The reason of high speed accident is because speed is too fast, the odjective cause of field conditions, on the other hand also owing to driver's energy disperses, as listening to video program etc. on the one hand.
The digital television program content that automobile can receive in the prior art is more single, it often is the digital television program of fixed standard, can't use single receiver to realize the reception of the digital television program of multiple standards, so that the driver drive at low speed or during parking waiting audio-visual content deficient so that travelling becomes particularly dull.
Therefore, need a kind of car multimedia playing device that is installed in the automobile, the broadcast of control multimedia audio-video content stops the broadcast of multimedia audio-video content and sends the ultrahigh speed warning information when ultrahigh speed, the receiving of multiple digital television standard is provided when low speed.
Summary of the invention
In order to address the above problem, the invention provides a kind of car multimedia playing device that is installed in the automobile, so that the user can rationally control watching of multimedia audio-video program.
According to an aspect of the present invention, a kind of car multimedia playing device is provided, comprise digital television signal receiver module, audio frequency and video playing module, speed of a motor vehicle detection module and control module, described control module is according to the testing result control figure television signal receiver module of speed of a motor vehicle detection module and the operation of audio frequency and video playing module.
More specifically, described car multimedia playing device further comprises, the digital television signal receiver module, comprise that tuned cell, demodulating unit, demultiplexing unit, audio/video decoding unit carry out tuning, demodulation, demultiplexing, audio/video decoding operation successively to the digital television signal that receives, and obtain the audio/video program data of digital television program; The audio frequency and video playing module, is read in the vehicle-mounted media audio-video signal to play corresponding audio-video frequency content at the audio/video program data of the digital television program that the receiving digital television signal receiver module sends; Speed of a motor vehicle detection module, the operating speed transducer detects automobile driving speed, numerical value according to automobile driving speed is divided into three ranks: 0 to 120 kilometer per hour for the rank of normally travelling, 120 kilometers to 160 kilometers for inferior hypervelocity rank, more than 160 kilometers for the hypervelocity rank, send respectively normal running signal, inferior overspeed signal and overspeed signal according to described three ranks; Wireless data communication module sends to motoring condition and driver's operating state on purpose network or the purpose mobile phone by cordless communication network; Memory is stored the audible alarm file corresponding with described overspeed signal; Control module, connect respectively digital television signal receiver module, the audio frequency and video playing module, speed of a motor vehicle detection module, memory and wireless data communication module, when control module receives the normal running signal that speed of a motor vehicle detection module sends, digital television signal receiver module and audio frequency and video playing module normally move, when control module receives the inferior overspeed signal that speed of a motor vehicle detection module sends, stop the operation of digital television signal receiver module, but still allow the audio frequency and video playing module to read audio-video signal in the vehicle-mounted media, when control module receives the overspeed signal that speed of a motor vehicle detection module sends, stop the operation of digital television signal receiver module, do not allow the audio frequency and video playing module to continue to read audio-video signal in the vehicle-mounted media, the audible alarm file corresponding with described overspeed signal that playing controller is read from memory in the audio frequency and video playing module, and by wireless data communication module the overspeed condition corresponding with described overspeed signal sent on purpose network or the purpose mobile phone; Wherein said digital television signal receiver module receives China Mobile's DMB CMMB signal or ground mobile multimedia broadcast TMMB signal, can adopt the on-site programmable gate array FPGA chip to realize described digital television signal receiver module, described fpga chip is the EP2C5Q208C8N of ALTERA company.
More specifically, in the described car multimedia playing device, described vehicle-mounted media can be CD, DVD or MP3.
More specifically, in the described car multimedia playing device, described purpose network can be the network of automobile unit one belongs to, and described purpose mobile phone can be driver family members' mobile phone.
Description of drawings
Below with reference to accompanying drawing embodiment of the present invention are described, wherein:
The block diagram of the car multimedia playing device that Fig. 1 illustrates according to an embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings the embodiment of car multimedia playing device of the present invention is elaborated.
Fig. 1 illustrates the block diagram of the car multimedia playing device that illustrates according to an embodiment of the present invention.The car multimedia playing device that wherein is installed in the automobile comprises digital television signal receiver module, audio frequency and video playing module, speed of a motor vehicle detection module and control module, control module is connected with digital television signal receiver module, audio frequency and video playing module, speed of a motor vehicle detection module respectively, control module receives the testing result that speed of a motor vehicle detection module sends, according to described testing result, control figure television signal receiver module and audio frequency and video playing module stops/moving respectively.
In addition, in the described car multimedia playing device, the digital television signal receiver module, comprise that tuned cell, demodulating unit, demultiplexing unit, audio/video decoding unit carry out tuning, demodulation, demultiplexing, audio/video decoding operation successively to the digital television signal that receives, and obtain the audio/video program data of digital television program; The audio frequency and video playing module, is read in the vehicle-mounted media audio-video signal to play corresponding audio-video frequency content at the audio/video program data of the digital television program that the receiving digital television signal receiver module sends; Speed of a motor vehicle detection module, the operating speed transducer detects automobile driving speed, numerical value according to automobile driving speed is divided into three ranks: 0 to 120 kilometer per hour for the rank of normally travelling, 120 kilometers to 160 kilometers for inferior hypervelocity rank, more than 160 kilometers for the hypervelocity rank, send respectively normal running signal, inferior overspeed signal and overspeed signal according to described three ranks; Wireless data communication module sends to motoring condition and driver's operating state on purpose network or the purpose mobile phone by cordless communication network; Memory is stored the audible alarm file corresponding with described overspeed signal; Control module, connect respectively digital television signal receiver module, the audio frequency and video playing module, speed of a motor vehicle detection module, memory and wireless data communication module, when control module receives the normal running signal that speed of a motor vehicle detection module sends, digital television signal receiver module and audio frequency and video playing module normally move, when control module receives the inferior overspeed signal that speed of a motor vehicle detection module sends, stop the operation of digital television signal receiver module, but still allow the audio frequency and video playing module to read audio-video signal in the vehicle-mounted media, when control module receives the overspeed signal that speed of a motor vehicle detection module sends, stop the operation of digital television signal receiver module, do not allow the audio frequency and video playing module to continue to read audio-video signal in the vehicle-mounted media, the audible alarm file corresponding with described overspeed signal that playing controller is read from memory in the audio frequency and video playing module, and by wireless data communication module the overspeed condition corresponding with described overspeed signal sent on purpose network or the purpose mobile phone.Wherein said digital television signal receiver module receives China Mobile's DMB CMMB signal or ground mobile multimedia broadcast TMMB signal, can adopt the on-site programmable gate array FPGA chip to realize described digital television signal receiver module, described fpga chip is the EP2C5Q208C8N of ALTERA company.
Wherein, CMMB is the abbreviation of China Mobile's DMB, headed the list of signers by General Bureau of Radio, Film and Television, first set by domestic enterprise's independent research is towards the system of mobile phone, PDA, MP3, MP4, the multiple portable terminal of notebook computer, utilize the S-band satellite-signal to realize that " world " one covers, whole nation roaming, support 25 cover TV programme and 30 cover broadcast programs.And TMMB is the abbreviation of ground mobile multimedia broadcast, is the modular system that is begun to research and develop under Information Industry Department, the Committee of Development and Reform and General Bureau of Radio, Film and Television promote in October, 2004 by Beijing new coastline company.TMMB is a broadcast system, a unilateral network system.The TMMB system realizes many standards (DAB, T-DMB and DAB-IP) signal output based on the DAB transmitting terminal, TMMB and comprehensively compatible international multimedia broadcasting standard DMB and in the world two large mobile TV standard DAB-IP and T-DMB standards first by technology such as time-domain multiplexed, subchannels in the whole world.The TMMB system was once selected as national mobile TV standard, did not finally admit but obtain Broadcast and TV system.
In addition, in the described car multimedia playing device, described vehicle-mounted media can be CD, DVD or MP3, likes according to self to make things convenient for the user, selects multimedia broadcast form and multimedia play content
In addition, in the described car multimedia playing device, described purpose network can be the network of automobile unit one belongs to, described purpose mobile phone can be driver family members' mobile phone, by communication network the overspeed condition corresponding with described overspeed signal sent to the entity and individual that are concerned about vehicle operating.
Adopt car multimedia playing device of the present invention, realized in running car the flexible control to multimedia, when ultrahigh speed, forbid watching the digital audio/video program, with safety first, the attentiveness that guarantees the driver is concentrated, and in the situation of low speed or static wait, increases the reception of the digital television program of multiple standards, enrich driver's audiovisual experience, improved driver's the atmosphere of travelling.
Those of ordinary skill in the art will be appreciated that, above embodiment only is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (4)
1. car multimedia playing device comprises:
Digital television signal receiver module, audio frequency and video playing module, speed of a motor vehicle detection module and control module, described control module is according to the testing result control figure television signal receiver module of speed of a motor vehicle detection module and the operation of audio frequency and video playing module.
2. car multimedia playing device as claimed in claim 1 further comprises:
The digital television signal receiver module, comprise that tuned cell, demodulating unit, demultiplexing unit, audio/video decoding unit carry out tuning, demodulation, demultiplexing, audio/video decoding operation successively to the digital television signal that receives, and obtain the audio/video program data of digital television program;
The audio frequency and video playing module, is read in the vehicle-mounted media audio-video signal to play corresponding audio-video frequency content at the audio/video program data of the digital television program that the receiving digital television signal receiver module sends;
Speed of a motor vehicle detection module, the operating speed transducer detects automobile driving speed, numerical value according to automobile driving speed is divided into three ranks: 0 to 120 kilometer per hour for the rank of normally travelling, 120 kilometers to 160 kilometers for inferior hypervelocity rank, more than 160 kilometers for the hypervelocity rank, send respectively normal running signal, inferior overspeed signal and overspeed signal according to described three ranks;
Wireless data communication module sends to motoring condition and driver's operating state on purpose network or the purpose mobile phone by cordless communication network;
Memory is stored the audible alarm file corresponding with described overspeed signal;
Control module, connect respectively digital television signal receiver module, the audio frequency and video playing module, speed of a motor vehicle detection module, memory and wireless data communication module, when control module receives the normal running signal that speed of a motor vehicle detection module sends, digital television signal receiver module and audio frequency and video playing module normally move, when control module receives the inferior overspeed signal that speed of a motor vehicle detection module sends, stop the operation of digital television signal receiver module, but still allow the audio frequency and video playing module to read audio-video signal in the vehicle-mounted media, when control module receives the overspeed signal that speed of a motor vehicle detection module sends, stop the operation of digital television signal receiver module, do not allow the audio frequency and video playing module to continue to read audio-video signal in the vehicle-mounted media, the audible alarm file corresponding with described overspeed signal that playing controller is read from memory in the audio frequency and video playing module, and by wireless data communication module the overspeed condition corresponding with described overspeed signal sent on purpose network or the purpose mobile phone;
Wherein said digital television signal receiver module receives China Mobile's DMB CMMB signal or ground mobile multimedia broadcast TMMB signal, can adopt the on-site programmable gate array FPGA chip to realize described digital television signal receiver module, described fpga chip is the EP2C5Q208C8N of ALTERA company.
3. car multimedia playing device as claimed in claim 2, wherein said vehicle-mounted media can be CD, DVD or MP3.
4. such as the described car multimedia playing device of claim 2-3, wherein said purpose network can be the network of automobile unit one belongs to, and described purpose mobile phone can be driver family members' mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210490312.6A CN102984562B (en) | 2012-11-26 | 2012-11-26 | Car multimedia play device |
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| CN201210490312.6A CN102984562B (en) | 2012-11-26 | 2012-11-26 | Car multimedia play device |
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| CN102984562A true CN102984562A (en) | 2013-03-20 |
| CN102984562B CN102984562B (en) | 2016-06-29 |
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| CN104581355A (en) * | 2013-10-10 | 2015-04-29 | 福特全球技术公司 | Autonomous vehicle media control |
| CN105185125A (en) * | 2015-07-27 | 2015-12-23 | 苏州宏展信息科技有限公司 | Automobile playing method based on speed detection |
| CN105721906A (en) * | 2016-01-28 | 2016-06-29 | 惠州华阳通用电子有限公司 | Multi-region play control method and device |
| CN106131621A (en) * | 2016-06-29 | 2016-11-16 | 乐视控股（北京）有限公司 | A kind of method and apparatus adjusting Vehicular video broadcasting |
| CN106453483A (en) * | 2015-08-06 | 2017-02-22 | 福特全球技术公司 | Methods and systems to customize a vehicle computing system based on an electronic calendar |
| CN113173180A (en) * | 2021-04-20 | 2021-07-27 | 宝能(广州)汽车研究院有限公司 | Vibration method, device and equipment applied to driving seat and storage medium |
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| CN102984562B (en) | 2016-06-29 |
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