CN104918102A - Self-alarming set-top box with function of AV signal inputting and switching - Google Patents
Self-alarming set-top box with function of AV signal inputting and switching Download PDFInfo
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- CN104918102A CN104918102A CN201510280014.8A CN201510280014A CN104918102A CN 104918102 A CN104918102 A CN 104918102A CN 201510280014 A CN201510280014 A CN 201510280014A CN 104918102 A CN104918102 A CN 104918102A
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- China
- Prior art keywords
- top box
- electrically connected
- armature contact
- input
- set top
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention provides a self-alarming set-top box with function of AV signal inputting and switching. The set-top box comprises a set-top box main board, a power supply module, a front control panel, an AV terminal, a relay module, and a relay control circuit. The power supply module is electrically connected with the set-top box main board; the front control panel and the set-top box main board are electrically connected; an input terminal of the AV terminal is electrically connected with a slave device; and a moving contact of the relay module is connected with the input terminal of the AV terminal and the set-top box main board electrically. With the set-top box, AV signal inputting and switching of slave equipment can be realized conveniently.
Description
Technical field
The present invention is specifically related to a kind of from the input of warning AV signal and switching machine top box.
Background technology
Along with the fast development of digital television techniques, Set Top Box obtains and uses widely.Set Top Box can be divided into DVB-S (digital satellite synthetic decoder), ABS-S/DTH (direct broadcasting satellite digital synthesis decoder), DTMB (terrestrial digital television set box), DVB-C (cable digital TV set-top box) according to different demodulation modes.Because different programme signals needs different demodulation modes, if therefore user wants the program seeing two kinds of different demodulation modes, two Set Top Box will be used, when user only has a TV, the program realizing two kinds of different demodulation modes switches two kinds of ways usually: the first, when television set has multiple AV signal input interface, user needs the different AV interface signal of different Set Top Box being connected to television set respectively by AV line; The second, when television set only has an AV interface, if need the program being switched to other Set Top Box from the program of current set top box, usually needs the AV line of current set top box to pull out, then is inserted in other Set Top Box.Because a lot of television set only has an AV signal input interface at present, input and the switching of the AV signal of multiple equipment therefore to be realized, inconvenient operation.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide a kind of from the input of warning AV signal and switching machine top box, can should solve the problem well with switching machine top box from the input of warning AV signal.
For reaching above-mentioned requirements, the technical scheme that the present invention takes is: provide a kind of from the input of warning AV signal and switching machine top box, set top box main, power module and front control board should be comprised with switching machine top box from the input of warning AV signal, set top box main is electrically connected with power module, front control board respectively, also comprise AV terminal, relay module and control relay circuit, the input of described AV terminal is electrically connected with from equipment, for receiving the AV signal from equipment, the input of described control relay circuit is electrically connected with set top box main, and for the control signal of receiving set up box mainboard, the output of described control relay circuit is electrically connected with the input of relay module, the armature contact of described relay module is electrically connected with the input of AV terminal and set top box main respectively, be respectively used to receive and be made up of the first relay U1 and the second relay U2 from relay module described in the external AV signal of equipment and the inside AV signal of set top box main output, described first relay U1 comprises first input end, R channel loop and L channel loop, described second relay U2 comprises the second input and video loop, described R channel loop is by the first armature contact, second armature contact, 3rd armature contact composition, described L channel loop is by the 4th armature contact, 5th armature contact, 6th armature contact composition, described video loop is by the 7th armature contact, 8th armature contact, 9th armature contact composition, described first input end is electrically connected with the second input and is jointly electrically connected with the output of control relay circuit, described second armature contact, the 5th armature contact output different from three of AV terminal respectively with the 9th armature contact is electrically connected, described first armature contact, the 3rd armature contact are electrically connected with the external right sound channel input of AV terminal and the inside R channel output of set top box main respectively, described 4th armature contact, the 6th armature contact are electrically connected with the external left sound channel input of AV terminal and the inside L channel output of set top box main respectively, described 7th armature contact, the 8th armature contact are electrically connected with the external video input of AV terminal and the interior video output of set top box main respectively, control relay circuit comprises triode Q1, the first resistance R1, the second resistance R2, the 3rd resistance R3 and diode D1, the base stage of described triode Q1 is electrically connected with the common port of the second resistance R2 and the 3rd resistance R3, the collector electrode of triode Q1 is electrically connected with the positive pole of diode (D1), the emitter of triode Q1 and one end common ground GND of the 3rd resistance R3, one end of described first resistance R1 is connected with the first power electric, and the other end is electrically connected with the second resistance R2, and the common port of the first resistance R1 and the second resistance R2 is electrically connected with set top box main, the negative pole of described diode D1 is electrically connected with second source, the collector electrode of described triode Q1 is as the output of control relay circuit, first power supply of described control relay circuit is 3V power supply, second source is 5V power supply, the output of described AV terminal is connected with esd protection diode electrically, the output of described AV terminal is electrically connected with display device, and set top box main is connected with warning circuit circuit.
The advantage that should have from the input of warning AV signal and switching machine top box is as follows:
Can find out that Set Top Box provided by the invention achieves quickly and easily from the input of device A V signal and switching from above technical scheme and operation principle.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, form a application's part, use identical reference number to represent same or analogous part in the drawings, the schematic description and description of the application, for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 schematically show according to the application's embodiment from the input of warning AV signal and the structural representation of switching machine top box.
Embodiment
For making the object of the application, technical scheme and advantage clearly, below in conjunction with drawings and the specific embodiments, the application is described in further detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. is shown that the embodiment of so description or example can comprise special characteristic, structure, characteristic, character, element or limit, but not each embodiment or example must comprise special characteristic, structure, characteristic, character, element or limit.In addition, reuse phrase " embodiment according to the application " although be likely refer to identical embodiment, and not necessarily refers to identical embodiment.
For the sake of simplicity, eliminate in below describing and well known to a person skilled in the art some technical characteristic.
According to an embodiment of the application, there is provided a kind of from the input of warning AV signal and switching machine top box, as shown in Figure 1, comprise set top box main 11, power module 12 and front control board 13, set top box main 11 is electrically connected with power module 12, front control board 13 respectively, also comprise AV terminal 16, relay module 15 and control relay circuit 14, the input of described AV terminal 16 is electrically connected with from equipment, for receiving the AV signal from equipment, the input of described control relay circuit 14 is electrically connected with set top box main 11, and for the control signal of receiving set up box mainboard 11, the output of described control relay circuit 14 is electrically connected with the input of relay module 15, the armature contact of described relay module 15 is electrically connected with the input of AV terminal 16 and set top box main 11 respectively, be respectively used to receive and be made up of the first relay U1 and the second relay U2 from relay module 15 described in the external AV signal of equipment and the inside AV signal of set top box main output, described first relay U1 comprises first input end, R channel loop and L channel loop, described second relay U2 comprises the second input and video loop, described R channel loop is by the first armature contact, second armature contact, 3rd armature contact composition, described L channel loop is by the 4th armature contact, 5th armature contact, 6th armature contact composition, described video loop is by the 7th armature contact, 8th armature contact, 9th armature contact composition, described first input end is electrically connected with the second input and is jointly electrically connected with the output of control relay circuit 14, described second armature contact, the 5th armature contact output different from three of AV terminal 16 respectively with the 9th armature contact is electrically connected, described first armature contact, the 3rd armature contact are electrically connected with the external right sound channel input of AV terminal 16 and the inside R channel output of set top box main 11 respectively, described 4th armature contact, the 6th armature contact are electrically connected with the external left sound channel input of AV terminal 16 and the inside L channel output of set top box main 11 respectively, described 7th armature contact, the 8th armature contact are electrically connected with the external video input of AV terminal 16 and the interior video output of set top box main 11 respectively, control relay circuit 14 comprises triode Q1, the first resistance R1, the second resistance R2, the 3rd resistance R3 and diode D1, the base stage of described triode Q1 is electrically connected with the common port of the second resistance R2 and the 3rd resistance R3, the collector electrode of triode Q1 is electrically connected with the positive pole of diode (D1), the emitter of triode Q1 and one end common ground GND of the 3rd resistance R3, one end of described first resistance R1 is connected with the first power electric, and the other end is electrically connected with the second resistance R2, and the common port of the first resistance R1 and the second resistance R2 is electrically connected with set top box main 11, the negative pole of described diode D1 is electrically connected with second source, the collector electrode of described triode Q1 is as the output of control relay circuit 14, first power supply of described control relay circuit 14 is 3V power supply, second source is 5V power supply, the output of described AV terminal 16 is connected with esd protection diode electrically, the output of described AV terminal 16 is electrically connected with display device, and set top box main 11 is connected with warning circuit circuit.
According to an embodiment of the application, should be television set from the display device of the input of warning AV signal and switching machine top box.
According to an embodiment of the application, should communicate to connect with remote controller from the front control board (13) of warning AV signal input with switching machine top box.
According to an embodiment of the application, should from warning AV signal input with switching machine top box from equipment be DVD player or Set Top Box.
According to an embodiment of the application, as shown in Figure 1, this Set Top Box comprises set top box main 11, power module 12, AV terminal 16, relay module 15, control relay circuit 14 and front control board 13, and wherein set top box main 11 is electrically connected with power module 12, front control board 13 respectively; The input of AV terminal 16 is electrically connected with from equipment, for receiving the AV signal from equipment; The input of control relay circuit 14 is electrically connected with set top box main 11, and for the control signal of receiving set up box mainboard 11, the output of control relay circuit 14 is electrically connected with the input of relay module 15; The armature contact of relay module 15 is electrically connected with the input of AV terminal 16 and set top box main 11 respectively, be respectively used to receive the inside AV signal exported from external AV signal and the set top box main of equipment, wherein external AV signal is left channel audio signal AUDIO_L_ABS_IN, the right channel audio signal AUDIO_R_ABS_IN and vision signal CVBS_ABS_IN of external equipment, and inner AV signal is left channel audio signal AUDIO_L_DT, the right channel audio signal AUDIO_R_DT and vision signal CVBS_AV_DT of Set Top Box; Particularly, AV terminal comprises external right sound channel input A_R_IN, external left sound channel input A_L_IN, external video input CVBS_IN, R channel output terminals A _ R_OUT, L channel output terminals A _ L_OUT and video output terminals CVBS_OUT, and wherein external right sound channel input A_R_IN receives the right channel audio signal AUDIO_R_ABS_IN of external equipment; External left sound channel input A_L_IN receives the left channel audio signal AUDIO_L_ABS_IN of external equipment; External video input CVBS_IN receives the vision signal CVBS_ABS_IN of external equipment.L channel output terminals A _ L_OUT, R channel output terminals A _ R_OUT and video output terminals CVBS_OUT export left channel audio signal, right channel audio signal and vision signal respectively to television set, in addition, earth terminal GND1, the earth terminal GND2 of AV terminal, earth terminal GND3, earth terminal GND4, earth terminal GND5, earth terminal GND6 common ground GND.Left channel audio signal AUDIO_L_DT, the right channel audio signal AUDIO_R_DT and vision signal CVBS_AV_DT of the inside L channel output of set top box main, inner R channel output, interior video output difference output set top box.
The above embodiment only represents several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not be interpreted as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to scope.Therefore protection scope of the present invention should be as the criterion with described claim.
Claims (4)
1. from the input of warning AV signal and switching machine top box, it is characterized in that: comprise set top box main (11), power module (12) and front control board (13), described set top box main (11) is electrically connected with power module (12), front control board (13) respectively, AV terminal (16), relay module (15) and control relay circuit (14), the input of described AV terminal (16) is electrically connected with from equipment, for receiving the AV signal from equipment, the input of described control relay circuit (14) is electrically connected with set top box main (11), for the control signal of receiving set up box mainboard (11), the output of described control relay circuit (14) is electrically connected with the input of relay module (15), the armature contact of described relay module (15) is electrically connected with the input of AV terminal (16) and set top box main (11) respectively, be respectively used to receive and be made up of the first relay (U1) and the second relay (U2) from relay module (15) described in the external AV signal of equipment and the inside AV signal of set top box main output, described first relay (U1) comprises first input end, R channel loop and L channel loop, described second relay (U2) comprises the second input and video loop, described R channel loop is by the first armature contact, second armature contact, 3rd armature contact composition, described L channel loop is by the 4th armature contact, 5th armature contact, 6th armature contact composition, described video loop is by the 7th armature contact, 8th armature contact, 9th armature contact composition, described first input end is electrically connected with the second input and is jointly electrically connected with the output of control relay circuit (14), different from three of AV terminal (16) the respectively output of described second armature contact, the 5th armature contact and the 9th armature contact is electrically connected, described first armature contact, the 3rd armature contact are electrically connected with the external right sound channel input of AV terminal (16) and the inside R channel output of set top box main (11) respectively, described 4th armature contact, the 6th armature contact are electrically connected with the external left sound channel input of AV terminal (16) and the inside L channel output of set top box main (11) respectively, described 7th armature contact, the 8th armature contact are electrically connected with the external video input of AV terminal (16) and the interior video output of set top box main (11) respectively, control relay circuit (14) comprises triode (Q1), the first resistance (R1), the second resistance (R2), the 3rd resistance (R3) and diode (D1), the base stage of described triode (Q1) is electrically connected with the common port of the second resistance (R2) and the 3rd resistance (R3), the collector electrode of triode (Q1) is electrically connected with the positive pole of diode (D1), the emitter of triode (Q1) and one end common ground (GND) of the 3rd resistance (R3), one end of described first resistance (R1) is connected with the first power electric, the other end is electrically connected with the second resistance (R2), and the common port of the first resistance (R1) and the second resistance (R2) is electrically connected with set top box main (11), the negative pole of described diode (D1) is electrically connected with second source, the collector electrode of described triode (Q1) is as the output of control relay circuit (14), first power supply of described control relay circuit (14) is 3V power supply, second source is 5V power supply, the output of described AV terminal (16) is connected with esd protection diode electrically, the output of described AV terminal (16) is electrically connected with display device, described set top box main (11) is connected with warning circuit circuit.
2. according to claim 1 from the input of warning AV signal and switching machine top box, it is characterized in that described display device is television set.
3. according to claim 1 from the input of warning AV signal and switching machine top box, it is characterized in that described front control board (13) and remote controller communicate to connect.
4. according to claim 1 from the input of warning AV signal and switching machine top box, it is characterized in that described from equipment be DVD player or Set Top Box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510280014.8A CN104918102A (en) | 2015-05-27 | 2015-05-27 | Self-alarming set-top box with function of AV signal inputting and switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510280014.8A CN104918102A (en) | 2015-05-27 | 2015-05-27 | Self-alarming set-top box with function of AV signal inputting and switching |
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| CN104918102A true CN104918102A (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510280014.8A Pending CN104918102A (en) | 2015-05-27 | 2015-05-27 | Self-alarming set-top box with function of AV signal inputting and switching |
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|---|---|---|---|---|
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| CN101145270A (en) * | 2006-09-13 | 2008-03-19 | 华为技术有限公司 | Device and method and system for implementing alarming |
| CN202009468U (en) * | 2011-01-24 | 2011-10-12 | 深圳创维数字技术股份有限公司 | Set top box |
| CN204291260U (en) * | 2014-08-27 | 2015-04-22 | 珠海迈科智能科技股份有限公司 | There is the Novel STB of carbonomonoxide concentration measuring ability |
| CN204305255U (en) * | 2014-12-05 | 2015-04-29 | 四川九州电子科技股份有限公司 | Can realize from the input of device A V signal and the Set Top Box switched |
-
2015
- 2015-05-27 CN CN201510280014.8A patent/CN104918102A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020170721A1 (en) * | 2001-05-18 | 2002-11-21 | Cooper Cameron Corporation | Retaining apparatus use in a wellhead assembly and method for using the same |
| CN101145270A (en) * | 2006-09-13 | 2008-03-19 | 华为技术有限公司 | Device and method and system for implementing alarming |
| CN202009468U (en) * | 2011-01-24 | 2011-10-12 | 深圳创维数字技术股份有限公司 | Set top box |
| CN204291260U (en) * | 2014-08-27 | 2015-04-22 | 珠海迈科智能科技股份有限公司 | There is the Novel STB of carbonomonoxide concentration measuring ability |
| CN204305255U (en) * | 2014-12-05 | 2015-04-29 | 四川九州电子科技股份有限公司 | Can realize from the input of device A V signal and the Set Top Box switched |
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Application publication date: 20150916 |
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