CN104902300A - Self-alarming set top box - Google Patents
Self-alarming set top box Download PDFInfo
- Publication number
- CN104902300A CN104902300A CN201510279085.6A CN201510279085A CN104902300A CN 104902300 A CN104902300 A CN 104902300A CN 201510279085 A CN201510279085 A CN 201510279085A CN 104902300 A CN104902300 A CN 104902300A
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- CN
- China
- Prior art keywords
- top box
- set top
- electrically connected
- armature contact
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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
- H04N21/426—Internal components of the client ; Characteristics thereof
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention provides a self-alarming set top box, comprising a set top box main board, a power supply module, a front control plate, an AV terminal, a relay module and relay control circuit, wherein the power supply module is electrically connected with the set top box main board, and the front control plate is electrically connected with the set top box main board, and an input end of the AV terminal is electrically connected with a slave device, and a moving contact of the relay module is connected with the input end of the AV terminal and the set top box main board electrically. The self-alarming set top box of the invention can be used for fast and conveniently realizing AV signal input and switch of the slave device.
Description
Technical field
The present invention is specifically related to a kind of from alarm type Set 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 alarm type Set Top Box, can should solve the problem well from alarm type Set Top Box.
For reaching above-mentioned requirements, the technical scheme that the present invention takes is: provide a kind of from alarm type Set Top Box, set top box main, power module and front control board should be comprised from alarm type Set Top Box, 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, and set top box main is connected with circumscribed USB modular circuit.
The advantage that should have from alarm type Set 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 shows the structural representation from alarm type Set Top Box according to the application's embodiment.
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 alarm type Set 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 17 circuit, and set top box main 11 is connected with circumscribed USB module 18 circuit.
According to an embodiment of the application, should be television set from the display device of alarm type Set Top Box.
According to an embodiment of the application, should communicate to connect from the front control board (13) of alarm type Set Top Box and remote controller.
According to an embodiment of the application, should from alarm type Set 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 alarm type Set 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 (17) circuit, and described set top box main (11) is connected with circumscribed USB module (18) circuit.
2. according to claim 1 from alarm type Set Top Box, it is characterized in that described display device is television set.
3. according to claim 1 from alarm type Set Top Box, it is characterized in that described front control board (13) and remote controller communicate to connect.
4. according to claim 1 from alarm type Set 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 |
|---|---|---|---|
| CN201510279085.6A CN104902300A (en) | 2015-05-27 | 2015-05-27 | Self-alarming set top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279085.6A CN104902300A (en) | 2015-05-27 | 2015-05-27 | Self-alarming set top box |
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| Publication Number | Publication Date |
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| CN104902300A true CN104902300A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510279085.6A Pending CN104902300A (en) | 2015-05-27 | 2015-05-27 | Self-alarming set top box |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5550576A (en) * | 1995-04-17 | 1996-08-27 | Starsight Telecast Incorporated | Method and apparatus for merging television program schedule information received from multiple television schedule information sources |
| US6751402B1 (en) * | 2000-06-28 | 2004-06-15 | Keen Personal Media, Inc. | Set-top box connectable to a digital video recorder via an auxiliary interface and selects between a recorded video signal received from the digital video recorder and a real-time video signal to provide video data stream to a display device |
| CN101145270A (en) * | 2006-09-13 | 2008-03-19 | 华为技术有限公司 | Device and method and system for implementing alarming |
| CN202738043U (en) * | 2012-08-22 | 2013-02-13 | 毛杰 | Communication set top box |
| CN103186964A (en) * | 2011-12-29 | 2013-07-03 | 青岛海尔软件有限公司 | Child nursing system based on set top box (STB) and nursing method utilizing child nursing system |
| 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 CN201510279085.6A patent/CN104902300A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5550576A (en) * | 1995-04-17 | 1996-08-27 | Starsight Telecast Incorporated | Method and apparatus for merging television program schedule information received from multiple television schedule information sources |
| US6751402B1 (en) * | 2000-06-28 | 2004-06-15 | Keen Personal Media, Inc. | Set-top box connectable to a digital video recorder via an auxiliary interface and selects between a recorded video signal received from the digital video recorder and a real-time video signal to provide video data stream to a display device |
| CN101145270A (en) * | 2006-09-13 | 2008-03-19 | 华为技术有限公司 | Device and method and system for implementing alarming |
| CN103186964A (en) * | 2011-12-29 | 2013-07-03 | 青岛海尔软件有限公司 | Child nursing system based on set top box (STB) and nursing method utilizing child nursing system |
| CN202738043U (en) * | 2012-08-22 | 2013-02-13 | 毛杰 | Communication 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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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150909 |