CN201171212Y - Central control device for audio and video - Google Patents
Central control device for audio and video Download PDFInfo
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- CN201171212Y CN201171212Y CNU2008201015076U CN200820101507U CN201171212Y CN 201171212 Y CN201171212 Y CN 201171212Y CN U2008201015076 U CNU2008201015076 U CN U2008201015076U CN 200820101507 U CN200820101507 U CN 200820101507U CN 201171212 Y CN201171212 Y CN 201171212Y
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Abstract
The utility model provides an audio-video frequency central control device, which is composed of an audio-video frequency central control box and a remote controller which are mutually matched; wherein, the audio-video frequency central control box comprises a micro-controller unit, a video switching module, a screen display module, a radio frequency modulation module, a radio frequency channel module, an audio switching and gain module, an infrared demodulation module, a television infrared module, a set-top box infrared module, a digital television infrared module, etc.; the remote controller is additionally provided with a corresponding control key stroke on the basis of an ordinary infrared remote controller, the peripheral audio-video frequency sub-equipment which is connected with the audio-video frequency central control box is controlled by operating the audio-video frequency central control box. The audio-video frequency central control device has high efficiency, convenience and practicability.
Description
[technical field]
The utility model relates to a kind of audio frequency and video control device, the particularly a kind of central control device that can control several audio ﹠ video equipments simultaneously.
[background technology]
Along with people constantly expand the demand in Voice ﹠ Video field, the Voice ﹠ Video art is used also constantly development, the audio and video equipment that more and more has the signal output function arises at the historic moment, people also improve day by day to the convenience of equipment application and the requirement of operability simultaneously, much require at present place that a plurality of audio ﹠ video equipments work simultaneously all demand be a kind of to realize controlling simultaneously a plurality of subsets, and the hotel is obvious especially to the demand of this respect in one's power self also to finish the control appliance, particularly public place of entertainment that certain audio/video information handles.Existing audio frequency and video control appliance function ratio is more single, can only control several equipment of appointment, autgmentability is not enough, another deficiency is the just simple external equipment control that realizes, does not possess the audio-video signal processing capacity, also is not easy simultaneously to safeguard, therefore, be badly in need of a kind ofly can controlling more distinct devices, possess certain audio-video signal ability, the audio frequency and video control appliance that is easy to safeguard.
[summary of the invention]
The technical problems to be solved in the utility model, be to provide a kind of audio frequency and video central control device, can realize controlling simultaneously a plurality of audio ﹠ video equipments that are attached thereto, and self also can finish the control appliance that certain audio/video information is handled, use and safeguard all very convenient.
The utility model is to realize like this, a kind of audio frequency and video central control device comprises audio ﹠ video equipment, set-top box and remote controller, also comprises an audio frequency and video central control box, described audio ﹠ video equipment all is connected with this audio frequency and video central control box with set-top box, and is controlled by described remote controller.
Above-mentioned technical scheme further is specially: wherein the audio frequency and video central control box comprises that single-chip microcomputer, video frequency switching module, screen show module, rf modulations module, radio-frequency channel module, audio frequency switching and gain module, infrared demodulation input module, TV infrared module, set-top box infrared module, Digital Television infrared module, video input interface, video output interface, rf input interface, radio frequency output interface, stereo input interface, stereo output interface;
Described single-chip microcomputer links to each other with gain module, infrared demodulation input module, TV infrared module, set-top box infrared module and Digital Television infrared module with video frequency switching module, the apparent module of screen, rf modulations module, audio frequency switching respectively;
Described video input interface, video frequency switching module, screen show module, video output interface connects in turn, and video output interface is connected to radio frequency output interface by the rf modulations module again;
Described rf input interface is connected to video frequency switching module respectively by the radio-frequency channel module and audio frequency switches and gain module;
Described stereo input interface switches by audio frequency and gain module is connected to stereo output interface, and described stereo output interface also is connected to the rf modulations module.
Wherein, above-mentioned audio frequency and video central control box also comprises upgrade interface and RF remote-controlled interface, and described upgrade interface and RF remote-controlled interface all link to each other with described single-chip microcomputer.
Wherein, above-mentioned audio frequency and video central control box also comprises the data interaction serial ports, and described data interaction serial ports links to each other with described single-chip microcomputer.
Wherein, above-mentioned audio frequency and video central control box also comprises the LED light module, and described LED light module links to each other with described single-chip microcomputer.
Wherein, above-mentioned audio frequency and video central control box also comprises an energy supply control module, and described audio frequency and video central control box is by this energy supply control module power taking.
Described remote controller comprises a passage switching controls key district, and described passage switching controls key district comprises video request program passage key, cable TV passage key, digital television channel key.Described passage switching controls key district also comprises a value-added service key.
The utlity model has following beneficial effect: solved traditional a plurality of audio ﹠ video equipments and switched the problem that loaded down with trivial details wiring brings when using inefficiency and a plurality of Equipment Control need a plurality of controllers, that utilizes that this device can realize multichannel audio-video frequency signal and radiofrequency signal under the situation that does not change any circuit freely switches use, vision signal is done processing such as OSD stack, multiple signal output form is provided, as audio frequency and video output and radio frequency output etc., reduced operation cost, and convenient and practical.
[description of drawings]
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the utility model audio frequency and video central control box internal structure connection diagram.
Fig. 2 is the utility model remote controller key structural representation.
Fig. 3 is the whole connection diagram of one of them execution mode of the utility model.
[embodiment]
See also Fig. 1, be the audio frequency and video central control box 1 of the utility model audio frequency and video central control device, comprise single-chip microcomputer, video frequency switching module, screen shows module, the rf modulations module, the radio-frequency channel module, audio frequency switches and gain module, infrared demodulation input module, the TV infrared module, the set-top box infrared module, the Digital Television infrared module, video input interface, video output interface, rf input interface, radio frequency output interface, stereo input interface, stereo output interface, upgrade interface and RF remote-controlled interface, the data interaction serial ports, LED light module and energy supply control module.Described audio frequency and video central control box is by this energy supply control module power taking.
Described single-chip microcomputer links to each other with gain module, infrared demodulation input module, upgrade interface and RF remote-controlled interface, LED light module, TV infrared module, set-top box infrared module, Digital Television infrared module and data interaction serial ports with described video frequency switching module, the apparent module of screen, rf modulations module, audio frequency switching respectively.
Described video input interface, video frequency switching module, screen show module, video output interface connects in turn, and video output interface is connected to radio frequency output interface by the rf modulations module again.Described rf input interface is connected to video frequency switching module respectively by the radio-frequency channel module and audio frequency switches and gain module.Described stereo input interface switches by audio frequency and gain module is connected to stereo output interface, and described stereo output interface also is connected to the rf modulations module.
The effect of this audio frequency and video central control box 1 is to resolve the key of remote controller and do corresponding apparatus control and signal processing according to key, realization is to each road Signal Processing and switching of input, control corresponding input equipment, become the conversion of signals that disposes AV and RF signal to output to outside audio ﹠ video equipment at last, the outside audio ﹠ video equipment operating state of control, in the process of work, also can upload or download OSD (screen shows) information, information such as channel table with outside audio ﹠ video equipment serial data host-host protocol.
Again as shown in Figure 2, be the utility model remote controller key structural representation.The remote controller 2 that this audio frequency central control device adopts is based on network machine top box remote controller and TV remote controller design, is divided into menu control key district 21, digital key district 22, playing programs control key district 23 and passage switching controls key district 24 etc.Described menu control key district 21, digital key district 22, playing programs control key district 23 are the roughly the same of normal remote control, and described passage switching controls key district 24 is functional areas that the utility model remote controller 2 increases newly, and it comprises VOD (video request program) passage key (also being that the set-top box passage switches), CATV (cable TV) passage key, DVB (Digital Television) passage key, SERVICE (value-added service) key.Wherein, VOD passage key is used for Control Network video machine top box passage and switches, and CATV passage key is used to control the television set passage and switches, and DVB road key is used for control figure TV set-top box passage and switches, and the SERVICE key is used for the call service platform.
Please consulting shown in Figure 3ly again, is the whole connection diagram of one of them execution mode of the utility model.The utility model comprises audio frequency and video central control box 1, remote controller 2; Audio ﹠ video equipment in this enforcement comprises television set 3, Internet video set-top box 4, digital TV set-top box 5, described audio frequency and video central control box 1 is connected with television set 3, Internet video set-top box 4 and the digital TV set-top box 5 of described each audio frequency and video, and shakes the control operation by described remote controller 2.Certain audio ﹠ video equipment of the present utility model is not limited to above-mentioned several.
Audio frequency and video central control box 1 in the foregoing description, can be according to the corresponding key of the remote controller 2 that receives, external equipment such as motor machine 3 that control simultaneously has now, Internet video set-top box 4, digital TV set-top box 5, and the AV signal and the TV signal of the input of each external equipment handled, pass through serial communication with Internet video set-top box 4, realization reaches the renewal of the real-time osd information that superposes on video to the renewal of audio frequency and video central control box 1 inner channel table, at last the audio-video signal of handling is converted to AV signal and the output of TV signal, audio frequency and video central control box 1 has upgrade interface simultaneously, supports real-time update internal firmware information.
The course of work of the foregoing description is: after audio frequency and video central control box 1 powers on, inner all modules of initialization at first, set the rf modulations frequency, finish the back to channel download instruction of Internet video set-top box 4 transmissions, then open the power supply of television set 3 and digital TV set-top box 5, television set is locked in the AV passage, if television set 3 is not supported the frequency locking of starting shooting, then carry out the operation of start frequency locking, so far, audio frequency and video central control box 1 has been finished the initialization of all outside audio ﹠ video equipments.When audio frequency and video central control box 1 receives the key of remote controller 2, immediately key is resolved: if power key is then carried out start or power-off operation; If video request program passage key is a set-top box passage switch key, then the set-top box passage is set to output; If the digital television channel key, then digital top box passage is set to output; If cable TV passage key, then the passage of demodulation radio frequency is set to output; If volume key is then set current volume according to the volume value of setting; If channel key then reads channel information according to current channel value and writes in the module of radio-frequency channel from the EEPROM of single-chip microcomputer; If numerical key, then directly by the infrared relevant device that sends to; At the cable TV passage, if select the channel searching function, single-chip microcomputer just control radio-frequency channel block search frequency at 48MHz to all frequencies between the 860MHz and store effective frequency in the EEPROM of single-chip microcomputer, finish the back channel table that storage generates sent to Internet video set-top box 4 by serial ports.When audio frequency and video central control box 1 receives the data that Internet video set-top box 4 sends by serial ports, according to the data parsing result:, the channel table that receives is stored among the EEPROM of single-chip microcomputer if upgrade channel table information; Then the channel table among the EEPROM of single-chip microcomputer is sent by serial ports if upload channel table information; If then writing the screen demonstration to the data that receive, deposits the renewal screen display information; If showing the module controls instruction, screen then shows number of times etc. according to the position of instructing setting to show, font size, captions flowing velocity, captions flow direction, captions.
In sum, what the utility model utilized that this device can realize multichannel audio-video frequency signal and radiofrequency signal under the situation that does not change any circuit freely switches use, has solved traditional a plurality of audio ﹠ video equipments and has switched the problem that loaded down with trivial details wiring brings when using inefficiency and a plurality of Equipment Control need a plurality of controllers.
Claims (8)
1, a kind of audio frequency and video central control device comprises audio ﹠ video equipment, set-top box and remote controller, it is characterized in that: also comprise an audio frequency and video central control box, described audio ﹠ video equipment all is connected with this audio frequency and video central control box with set-top box, and is controlled by described remote controller.
2, audio frequency and video central control device according to claim 1 is characterized in that: the audio frequency and video central control box comprises that single-chip microcomputer, video frequency switching module, screen show module, rf modulations module, radio-frequency channel module, audio frequency switching and gain module, infrared demodulation input module, TV infrared module, set-top box infrared module, Digital Television infrared module, video input interface, video output interface, rf input interface, radio frequency output interface, stereo input interface, stereo output interface;
Described single-chip microcomputer links to each other with gain module, infrared demodulation input module, TV infrared module, set-top box infrared module and Digital Television infrared module with video frequency switching module, the apparent module of screen, rf modulations module, audio frequency switching respectively;
Described video input interface, video frequency switching module, screen show module, video output interface connects in turn, and video output interface is connected to radio frequency output interface by the rf modulations module again;
Described rf input interface is connected to video frequency switching module respectively by the radio-frequency channel module and audio frequency switches and gain module;
Described stereo input interface switches by audio frequency and gain module is connected to stereo output interface, and described stereo output interface also is connected to the rf modulations module.
3, audio frequency and video central control device according to claim 2 is characterized in that: the audio frequency and video central control box also comprises upgrade interface and RF remote-controlled interface, and described upgrade interface and RF remote-controlled interface all link to each other with described single-chip microcomputer.
4, audio frequency and video central control device according to claim 2, it is characterized in that: the audio frequency and video central control box also comprises the data interaction serial ports, described data interaction serial ports links to each other with described single-chip microcomputer.
5, audio frequency and video central control device according to claim 2, it is characterized in that: the audio frequency and video central control box also comprises the LED light module, described LED light module links to each other with described single-chip microcomputer.
6, audio frequency and video central control device according to claim 2, it is characterized in that: the audio frequency and video central control box also comprises an energy supply control module, described audio frequency and video central control box is by this energy supply control module power taking.
7, audio frequency and video central control device according to claim 1, it is characterized in that: described remote controller comprises a passage switching controls key district, and described passage switching controls key district comprises video request program passage key, cable TV passage key, digital television channel key.
8, audio frequency and video central control device according to claim 1 is characterized in that: described passage switching controls key district also comprises a value-added service key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201015076U CN201171212Y (en) | 2008-02-28 | 2008-02-28 | Central control device for audio and video |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201015076U CN201171212Y (en) | 2008-02-28 | 2008-02-28 | Central control device for audio and video |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201171212Y true CN201171212Y (en) | 2008-12-24 |
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ID=40210262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201015076U Expired - Fee Related CN201171212Y (en) | 2008-02-28 | 2008-02-28 | Central control device for audio and video |
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| Country | Link |
|---|---|
| CN (1) | CN201171212Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067764A (en) * | 2011-10-21 | 2013-04-24 | 安美世纪（北京）科技有限公司 | Television interface system for interaction television |
| CN103680121A (en) * | 2013-12-27 | 2014-03-26 | 莱得圣智能科技（上海）有限公司 | Multimedia control equipment |
-
2008
- 2008-02-28 CN CNU2008201015076U patent/CN201171212Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067764A (en) * | 2011-10-21 | 2013-04-24 | 安美世纪（北京）科技有限公司 | Television interface system for interaction television |
| CN103067764B (en) * | 2011-10-21 | 2016-03-30 | 安美世纪（北京）科技有限公司 | A kind of television interface system for interactive TV |
| CN103680121A (en) * | 2013-12-27 | 2014-03-26 | 莱得圣智能科技（上海）有限公司 | Multimedia control equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081224 Termination date: 20140228 |