CN102664034A - Family cinema system based on power line network - Google Patents
Family cinema system based on power line network Download PDFInfo
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- CN102664034A CN102664034A CN2012101479300A CN201210147930A CN102664034A CN 102664034 A CN102664034 A CN 102664034A CN 2012101479300 A CN2012101479300 A CN 2012101479300A CN 201210147930 A CN201210147930 A CN 201210147930A CN 102664034 A CN102664034 A CN 102664034A
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Abstract
The invention discloses a family cinema system based on a power line network. The family cinema system comprises a projector for receiving data through a power line, a digital sound box, an audio and video server for transmitting data through the power line and a power line modem connected with the Internet, wherein the projector is provided with a first power line network bridging module, a first processor, a first human-machine interface, a signal input interface, a projector controller and an optical system; the digital sound box is provided with a second power line network bridging module, a second processor, a second human-machine interface, a digital/analog (D/A) converter, a power amplifier and a horn; and the audio and video server is provided with a third power line network bridging module, a third processor, a third human-machine interface, a digital television signal interface, a digital video disk (DVD)/video compact disk (VCD) reading module and a laser head.
Description
Technical field
The present invention relates to a kind of household audio and video system, belong to tame electro-technical field based on power line network.
Background technology
The raising day by day of the living standard of Along with people's, people hope just can to enjoy the audio visual effect as the cinema at home, can video on demand or films, also can play video disc.But the home theater of configuration mainly contains two big drawbacks at present:
1) buying expenses of superlarge screen TV machine is very expensive;
2) the interconnective audio frequency of equipment room, video line connect very complicacy, influence attractive in appearance.
Summary of the invention
The objective of the invention is in order to overcome weak point of the prior art; A kind of household audio and video system based on power line network is provided; This scheme is carried out the transmission and the reception of audio frequency, video information through line of electric force, and the transmission of IP Information On Demand, and data channel and power channel are shared; The installation and the debugging of system have been simplified, for the universal of home theater lays the foundation.
The technical solution adopted for the present invention to solve the technical problems is:
Household audio and video system based on power line network; Comprise the projector that can receive data through line of electric force; The numeral audio amplifier, audio/video server that can be through the power line transmission data and with the power line modem of Internet connection, the first power line network bridge joint module that described projector setting is connected with power connection; The described first power line network bridge joint module connects first processor; Described first processor connects first man-machine interface, signal input interface and projector controller, and described projector controller connects optical system; The second power line network bridge joint module that described digital audio amplifier setting is connected with power connection; The described second power line network bridge joint module connects second processor; Described second processor connects D/A converter; Described D/A converter connects power amplifier, and described power amplifier connects loudspeaker; The 3rd power line network bridge joint module that described audio/video server setting is connected with power connection; Described the 3rd power line network bridge joint module connects the 3rd processor; Described the 3rd processor connects third party's machine interface; Digital television signal interface and DVD/VCD read module, described DVD/VCD read module connects laser head.
Described the 3rd processor is provided with demoder, comprises the audio decoder that extracts digitized audio message, extracts the Video Decoder of digital video information.
Described the 3rd processor is provided with audio, video data and sends agreement; Described audio, video data sends the form that agreement is used to define transmission information, and electrical equipment ID sign indicating number, the transmission information of receiving is set; And check information, described transmission information setting is video information or audio-frequency information.
Described first processor is provided with the video reception program and the first electrical equipment ID sign indicating number.
Described second processor is provided with audio frequency and receives the program and the second electrical equipment ID sign indicating number.
Described first man-machine interface is provided with the first infrared interface interface and first function button.
Described third party's machine interface is provided with the 3rd infrared interface interface, the 3rd function button and the 3rd information display interface.
Beneficial effect of the present invention mainly shows: 1, carry out the transmission and the reception of audio frequency, video information through line of electric force, and the transmission of IP Information On Demand, data channel and power channel are shared, have simplified the installation and the debugging of system; 2, digital audio amplifier and projector are flexible for installation, can place arbitrarily along line of electric force.
Description of drawings
Fig. 1 is the theory diagram of projector;
Fig. 2 is the theory diagram of digital audio amplifier;
Fig. 3 is the theory diagram of audio/video server;
Fig. 4 is based on the system architecture diagram of the household audio and video system of power line network;
Fig. 5 is that audio, video data of the present invention sends protocol format.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described:
With reference to Fig. 1-5, based on the household audio and video system of power line network, comprise the projector 1 that can receive data through line of electric force, digital audio amplifier 3, audio/video server 2 that can be through the power line transmission data and with the power line modem 4 of Internet connection.Just communication each other after described audio/video server 2, projector 1 plug in digital audio amplifier 3, described audio/video server 2 can access internet through described power line modem 4.
Described projector 1 is provided with the first power line network bridge joint module 7 that is connected with power connection; The described first power line network bridge joint module 7 connects first processor 5; Described first processor 5 connects first man-machine interface 10; Signal input interface 6 and projector controller 8, described projector controller 8 connects optical system 9.
Wherein, the described first power line network bridge joint module 7 is connected with line of electric force, can receive the numerical information on the line of electric force, can send numerical information to line of electric force simultaneously.The described first power line network bridge joint module 7 adopts the power line transmission technology, loads on electric current to the high-frequency signal of carrying information, uses power line transmission then, also can from electric current, separate high-frequency information simultaneously, transmits with realization information.Described first man-machine interface 10 is provided with the first infrared interface interface and first function button.Described projector 1 possibly be arranged on higher position, therefore except first function key that can carry out feature operation is set, also is provided with first infrared interface, can be in remote-controlled operation.Described projector controller 8 receives the digital of digital video data of described first processor 5 outputs, and carries out projection through described optical system 9.And described signal input interface 6 can directly be imported outside vision signal.
Described digital audio amplifier 3 is provided with the second power line network bridge joint module 23 that is connected with power connection; The described second power line network bridge joint module 23 connects second processor 18; Described second processor 18 connects D/A converter 19; Described D/A converter 19 connects power amplifier 20, and described power amplifier 20 connects loudspeaker, and described loudspeaker are provided with L channel loudspeaker 21 and R channel loudspeaker 22.
Wherein, the described second power line network bridge joint module 23 adopts the power line transmission technology, loads on electric current to the high-frequency signal of carrying information, uses power line transmission then, also can from electric current, separate high-frequency information simultaneously, transmits with realization information.Described second processor 18 will be exported to described D/A converter 19 through the digital audio-frequency data that the described second power line network bridge joint module 23 receives; Described D/A converter 19 converts digital audio-frequency data to simulated audio signal, and exports to described L channel loudspeaker 21 and R channel loudspeaker 22 after amplifying through described power amplifier 20.
Described audio/video server 2 is provided with the 3rd power line network bridge joint module 17 that is connected with power connection; Described the 3rd power line network bridge joint module 17 connects the 3rd processor 11; Described the 3rd processor 11 connects third party's machine interface 14; Digital television signal interface 13 and DVD/VCD read module 15, described DVD/VCD read module 15 connects laser head 16.
Wherein, described the 3rd power line network bridge joint module 17 adopts the power line transmission technology, loads on electric current to the high-frequency signal of carrying information, uses power line transmission then, also can from electric current, separate high-frequency information simultaneously, transmits with realization information.Described third party's machine interface 14 is provided with the 3rd infrared interface interface, the 3rd function button and the 3rd information display interface.Described the 3rd function button is used to operate described audio/video server 2; Described the 3rd information display interface is provided with LCD display; Be used to show the internal information of described audio/video server 2, described the 3rd infrared interface interface is used to carry out remote-controlled operation.Described laser head 16 is used to read the compression audio, video data of video disc and exports to described the 3rd processor 11 with DVD/VCD read module 15.Described the 3rd processor 11 is provided with demoder 12, comprises the audio decoder that extracts digital audio-frequency data, extracts the Video Decoder of digital of digital video data.The compression audio, video data that compression audio, video data that described demoder 12 is used for described the 3rd power line network bridge joint module 17 is received and described DVD/VCD read module 15 read; Be decoded into digital audio-frequency data and digital of digital video data; Can export to the external digital televisor through described digital television signal interface 13, also can send described projector 1 and digital audio amplifier 3 to through line of electric force.
Therefore; Described the 3rd processor 11 is provided with audio, video data and sends agreement; Described audio, video data sends the form that agreement is used to define transmission information, and electrical equipment ID sign indicating number, the transmission information of receiving is set; And check information, described transmission information setting is digital of digital video data or digital audio-frequency data.
Described first processor 5 is provided with the video reception program and the first electrical equipment ID sign indicating number; The reception electrical equipment ID sign indicating number that sends according to described the 3rd processor 11 judges whether receive follow-up; If described reception electrical equipment ID sign indicating number and described first electrical equipment ID sign indicating number coupling; Described first processor 5 receives follow-up digital of digital video data, and carries out verification.Verification is through carrying out Projection Display through described projector controller 8 with optical system 9 later on.
Described second processor 18 is provided with audio frequency and receives the program and the second electrical equipment ID sign indicating number; The reception electrical equipment ID sign indicating number that sends according to described the 3rd processor 11 judges whether receive follow-up; If described reception electrical equipment ID sign indicating number and described second electrical equipment ID sign indicating number coupling; Described second processor 5 receives follow-up digital audio-frequency data, and carries out verification.Verification is passed through described D/A converter 19 and power amplifier 20 through later, and L channel loudspeaker 22 are play with R channel loudspeaker 23.
In sum, the present invention can receive and transmission information from line of electric force, and a plurality of equipment are set up into home theater; Line of electric force promptly can be used as power lead power supply is provided; As information channel transmission information, therefore simplify the installation and the debugging of system again, saved material and labour cost.Further; This invention also can be operated through the internet; As shown in Figure 4; At first need be connected with indoor line of electric force with the broadband network of registering one's residence through power line modem 4, audio/video server 2 audio/video information that can obtain on the internet is play through projector 1 and digital audio amplifier 3 then.
Claims (7)
1. based on the household audio and video system of power line network; It is characterized in that: comprise the projector that can receive data through line of electric force; The numeral audio amplifier, audio/video server that can be through the power line transmission data and with the power line modem of Internet connection, the first power line network bridge joint module that described projector setting is connected with power connection; The described first power line network bridge joint module connects first processor; Described first processor connects first man-machine interface, signal input interface and projector controller, and described projector controller connects optical system; The second power line network bridge joint module that described digital audio amplifier setting is connected with power connection; The described second power line network bridge joint module connects second processor; Described second processor connects D/A converter; Described D/A converter connects power amplifier, and described power amplifier connects loudspeaker; The 3rd power line network bridge joint module that described audio/video server setting is connected with power connection; Described the 3rd power line network bridge joint module connects the 3rd processor; Described the 3rd processor connects third party's machine interface; Digital television signal interface and DVD/VCD read module, described DVD/VCD read module connects laser head.
2. the household audio and video system based on power line network as claimed in claim 1 is characterized in that: described the 3rd processor is provided with demoder, comprises the audio decoder that extracts digitized audio message, extracts the Video Decoder of digital video information.
3. the household audio and video system based on power line network as claimed in claim 1; It is characterized in that: described the 3rd processor is provided with audio, video data and sends agreement; Described audio, video data sends the form that agreement is used to define transmission information, and electrical equipment ID sign indicating number, the transmission information of receiving is set; And check information, described transmission information setting is video information or audio-frequency information.
4. the household audio and video system based on power line network as claimed in claim 1 is characterized in that: described first processor is provided with the video reception program and the first electrical equipment ID sign indicating number.
5. the household audio and video system based on power line network as claimed in claim 1 is characterized in that: described second processor is provided with audio frequency and receives the program and the second electrical equipment ID sign indicating number.
6. the household audio and video system based on power line network as claimed in claim 1 is characterized in that: described first man-machine interface is provided with the first infrared interface interface and first function button.
7. the household audio and video system based on power line network as claimed in claim 1 is characterized in that: described third party's machine interface is provided with the 3rd infrared interface interface, the 3rd function button and the 3rd information display interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101479300A CN102664034A (en) | 2012-05-14 | 2012-05-14 | Family cinema system based on power line network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101479300A CN102664034A (en) | 2012-05-14 | 2012-05-14 | Family cinema system based on power line network |
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| Publication Number | Publication Date |
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| CN102664034A true CN102664034A (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012101479300A Pending CN102664034A (en) | 2012-05-14 | 2012-05-14 | Family cinema system based on power line network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111032174A (en) * | 2017-08-15 | 2020-04-17 | 伟业达股份有限公司 | Information processing apparatus |
| US11293369B2 (en) | 2018-03-28 | 2022-04-05 | Hitachi Astemo, Ltd. | Engine control device for port fuel injection during period between start of compression stroke and close of intake valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201393261Y (en) * | 2009-04-21 | 2010-01-27 | 深圳市迪尼仕科技有限公司 | Mini home theater |
| CN201479334U (en) * | 2009-07-10 | 2010-05-19 | 刘瑜 | Digital sound box using electric-power line for transmitting information |
| KR20110009803A (en) * | 2009-07-23 | 2011-01-31 | (주)인투비 | Power line communication in electric charges display system |
| CN201897685U (en) * | 2010-12-03 | 2011-07-13 | 刘瑜 | Projector based on power line network |
| CN202584727U (en) * | 2012-05-14 | 2012-12-05 | 慈溪迈思特电子科技有限公司 | Home theater system based on power line network |
-
2012
- 2012-05-14 CN CN2012101479300A patent/CN102664034A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201393261Y (en) * | 2009-04-21 | 2010-01-27 | 深圳市迪尼仕科技有限公司 | Mini home theater |
| CN201479334U (en) * | 2009-07-10 | 2010-05-19 | 刘瑜 | Digital sound box using electric-power line for transmitting information |
| KR20110009803A (en) * | 2009-07-23 | 2011-01-31 | (주)인투비 | Power line communication in electric charges display system |
| CN201897685U (en) * | 2010-12-03 | 2011-07-13 | 刘瑜 | Projector based on power line network |
| CN202584727U (en) * | 2012-05-14 | 2012-12-05 | 慈溪迈思特电子科技有限公司 | Home theater system based on power line network |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111032174A (en) * | 2017-08-15 | 2020-04-17 | 伟业达股份有限公司 | Information processing apparatus |
| US11463128B2 (en) | 2017-08-15 | 2022-10-04 | Viviware Japan, Inc. | Information processing device |
| US11293369B2 (en) | 2018-03-28 | 2022-04-05 | Hitachi Astemo, Ltd. | Engine control device for port fuel injection during period between start of compression stroke and close of intake valve |
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Application publication date: 20120912 |