CN201374759Y - Digital TV set top box - Google Patents
Digital TV set top box Download PDFInfo
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- CN201374759Y CN201374759Y CN200920049840U CN200920049840U CN201374759Y CN 201374759 Y CN201374759 Y CN 201374759Y CN 200920049840 U CN200920049840 U CN 200920049840U CN 200920049840 U CN200920049840 U CN 200920049840U CN 201374759 Y CN201374759 Y CN 201374759Y
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- top box
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Abstract
The utility model relates to the field of set top box technology, particularly a digital TV set top box. The digital TV set top box comprises a box body. A power line is connected with the box body. The box body is provided with a plurality of data interfaces; A control circuit is arranged in the box body; The box body is also provided with a power interface; the control circuit comprises a power interface circuit for controlling switching on and switching off of the power interface; the power interface of the utility model is used for a power plug of a TV set to be inserted into so as to supply power for the TV set; when the power of the set top box is switched off, the TV set is also powered off, and when the set top box is in the standby mode, the power of the TV set is also switched off, so as to save standby electricity of the TV set.
Description
Technical field:
The utility model relates to set-top box technique field, particularly digital TV set-top box.
Background technology:
Digital Television has formally been come into popular life, except TV in the past, and high-definition digital ground receiver (being commonly called as set-top box) yes one of wherein the most key accessory.Set-top box is converted into digital signal with analog signal, and picture effect clearly can be provided, and by the picture that HDMI (HDMI (High Definition Multimedia Interface)) interface connects, the effect of general programs has also had significantly lifting, and the high definition channel more allows the people so enchanted by the scenery as to forget to return.
Mention set-top box, this also is a thing rarely known by the people a few years ago.In fact, set-top box is a notion very widely, in a broad sense, every network-termination device that is connected with television set all can be described as set-top box, from augment device, analog channel descrambler based on the analog channel of cable TV network, to " device for logging on network top box ", the Integrated Receive Decoder (IRD, Integrated Receive Decoder) of digital satellite, digital ground set-top box that telephone wire and television set are linked together, and cable television digital set-top box all can be described as set-top box.But the set-top box that we understand at ordinary times is mainly four classes: digital TV set-top box (DVB-C), major function are to make the simulated color television can receiving digital television signal; Satellite digital set-top box (DVB-S) is used for receiving the digital satellite broadcasting program; Network television-set top-set-box, major function are to make the simulated color television can view Internet; VOD (Video On Demand video on demand techniques) top box of digital machine based on broadband networks, can be realized online and two-way video point multicast function.
The video output interface of set-top box generally all can be equipped with the various interfaces commonly used of HDMI and aberration and VGA interface or the like.At present, the syndeton of television set and set-top box is as follows: the power line of television set and the power line of set-top box insert respectively in the supply line of 220V, and the video output cable of set-top box connects on the television set.When not seeing TV, usually just television set is placed holding state, do not have the dynamo-electric source of real closing television, perhaps set-top box power supply, if under existing environment for use, press and treat switch, the power supply of cut-out television set that can be real, the Zero-power-consumption standby of realization energy-conserving and environment-protective will become a good method that reduces household electricity.
The patent No. is that " 200720120469.4 ", patent name disclose a kind of set-top box circuit arrangement in the Chinese utility model patent of " a kind of set-top box circuit arrangement ", comprise a power supply and a motherboard circuit, described power supply is used for motherboard circuit is powered; Described power supply comprises motherboard power supply and panel power supply two parts, and described panel power supply is powered to panel circuit, and described motherboard power supply is powered to described motherboard circuit; Be provided with single-chip microcomputer in the described panel circuit, be used to receive remote control command, and cut off/open described motherboard power supply.Can when the set-top box standby state, turn-off the power supply of set-top box fully in this patented technology, play the effect of the standby energy consumption that reduces set-top box, still, but still do not have to solve the standby power consumption problem of the television set that links to each other with set-top box, therefore, be necessary prior art is improved.
The utility model content:
The purpose of this utility model is to provide digital TV set-top box at the deficiencies in the prior art, and it can solve the problem of television set standby power consumption, thereby can improve the useful life of television set.
For achieving the above object, the utility model adopts following technical scheme:
It comprises box body, is connected with power line on the box body, has a plurality of data-interfaces on the box body, and control circuit is installed in the box body; Also has power interface on the box body.
Described control circuit includes the power interface circuit of control power interface power on/off.
Described power interface circuit comprises second resistance, the 3rd resistance, the 4th resistance, first electric capacity, first triode, second triode, relay; One end of first electric capacity connects base stage, the other end ground connection of first triode; One end of the 3rd resistance connects emitter, the other end ground connection of first triode; One end of relay connects emitter, the other end ground connection of second triode, power source for relay control interface power on/off; Collector electrode, the other end that one end of second resistance connects first triode connect power supply; Collector electrode, the other end that one end of the 4th resistance connects second triode connect power supply; The base stage of second triode connects the collector electrode of first triode; The base stage of first triode is for the control signal input of control circuit.
Described power control circuit also comprises first resistance, and an end of this first resistance connects base stage, the other end of first triode and imports for the control signal of control circuit.
Described control signal is a control circuit standby whether index signal.
Described box body is provided with the mains switch of control circuit.
The beneficial effects of the utility model are that power interface is used for the grafting of the attaching plug of television set, are the television set power supply, when the set-top box power-off, television set also cuts off the power supply, when set-top box is in holding state, the power supply of television set also is cut off, thereby can save the standby electricity consumption of television set.
Description of drawings:
Fig. 1 is a structural representation of the present utility model
Fig. 2 is a power interface circuit schematic diagram of the present utility model
Embodiment:
Below in conjunction with accompanying drawing the utility model is further described.
The following stated only is a better embodiment of the present utility model, does not therefore limit protection range of the present utility model.
See accompanying drawing 1,2, the utility model comprises: box body 10, and the shape of box body 10 is not limit, be connected with power line 11 on the box body 10, have a plurality of data-interfaces 12 on the box body 10, in the box body 10 control circuit is installed, power line 11 is used for the power supply of The whole control circuit working, and power line 11 is for the civil power input; Described box body 10 is provided with the mains switch 13 of control circuit, and this mains switch 13 is master switchs of set-top box, guarantees Electrical Safety; Also have power interface 20 on the box body 10, this power interface 20 is pegged graft for the attaching plug of television set, and for television set provides power supply, when the power supply of set-top box was cut off, the power supply of television set also was cut off.
Described control circuit includes the power interface circuit of control power interface 20 power on/off, power interface circuit is the circuit structure that increases on the basis of existing set-top box control circuit, this power interface circuit can be controlled the energising or the outage of power interface 20, therefore, the user only needs object of controller top box can realize controlling simultaneously the effect of television set; For reaching this purpose, the utility model adopts following circuit:
Described power interface circuit comprises second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, first capacitor C 1, the first triode Q1, the second triode Q2, relay J;
One end of first capacitor C 1 connects base stage, the other end ground connection of the first triode Q1;
One end of the 3rd resistance R 3 connects emitter, the other end ground connection of the first triode Q1;
One end of relay J connects emitter, the other end ground connection of the second triode Q2, thereby the power on/off of the power on/off control power interface 20 of the electric pin of relay J control power interface 20, relay J is common technologies with the cooperating of electric pin of power interface 20, does not give unnecessary details at this;
Collector electrode, the other end that one end of second resistance R 2 connects the first triode Q1 connect power supply, by set-top box power supply output power taking;
Collector electrode, the other end that one end of the 4th resistance R 4 connects the second triode Q2 connect power supply, by set-top box power supply output power taking;
The base stage of the second triode Q2 connects the collector electrode of the first triode Q1;
The base stage of the first triode Q1 is for the control signal input of control circuit.
Described power control circuit also comprises first resistance R 1, and an end of this first resistance R 1 connects base stage, the other end of the first triode Q1 and imports for the control signal of control circuit.
The control signal that the utility model adopted is a control circuit standby whether index signal.
Get control signal from the standby lamp of set-top box, during the set-top box operate as normal, the standby lamp does not work, and control signal is a low level through first resistance R 1, first capacitor C, 1, the first triode Q1 base stage, the first triode Q1 ends, the second triode Q2 base stage is a high level, the second triode Q2 conducting, relay J adhesive, the electric pin of power interface 20 inserts civil power, and television set gets electric operate as normal.
Press and treat switch, set-top box standby, control signal gives first capacitor C 1 charging through first resistance R 1, the first triode Q1 conducting, the second triode Q2 ends, and relay J discharges, and the electric pin of power interface 20 and civil power disconnect, and television set is cut off power supply.
It is reported, the cable digital TV number of users of the Dongguan City at applicant place has been broken through 1,160,000 families, there are data to show, the existing average stand-by power consumption of television set of China is 8.7W, by 1,000,000 television sets, standby every day was calculated in 12 hours, and every degree electricity is by 0.6 yuan, every day, only the standby power consumption amount of television set can be saved: 12 hours * 8.7W=104400KWh of 1,000,000 *, i.e. electrical energy saving every day 100,000 degree; 0.6 yuan/degree of 100,000 degree/sky * * 365 days can save the electricity charge above 2,000 ten thousand yuan every year; These numerals are appreciable.
Aforementioned circuit only is an embodiment, also can adopt similar control circuit, is not limited to power interface circuit structure of the present utility model.
The utility model has improved digital TV set-top box, television set supply power mode commonly used at present, in set-top box, increase a power interface circuit, made television set realize real Zero-power-consumption standby, electrical energy saving, comply with the environmental protection trend, the market prospects of large-scale promotion are arranged.
Claims (6)
1, digital TV set-top box, it comprises box body (10), is connected with power line (11) on the box body (10), has a plurality of data-interfaces (12) on the box body (10), box body is equipped with control circuit in (10); It is characterized in that: also have power interface (20) on the box body (10).
2, digital TV set-top box according to claim 1 is characterized in that: described control circuit includes the power interface circuit of control power interface (20) power on/off.
3, digital TV set-top box according to claim 2 is characterized in that: described power interface circuit comprises second resistance (R2), the 3rd resistance (R3), the 4th resistance (R4), first electric capacity (C1), first triode (Q1), second triode (Q2), relay (J); One end of first electric capacity (C1) connects base stage, the other end ground connection of first triode (Q1); One end of the 3rd resistance (R3) connects emitter, the other end ground connection of first triode (Q1); One end of relay (J) connects emitter, the other end ground connection of second triode (Q2), relay (J) control power interface (20) power on/off; Collector electrode, the other end that one end of second resistance (R2) connects first triode (Q1) connect power supply; Collector electrode, the other end that one end of the 4th resistance (R4) connects second triode (Q2) connect power supply; The base stage of second triode (Q2) connects the collector electrode of first triode (Q1); The base stage of first triode (Q1) is for the control signal input of control circuit.
4, digital TV set-top box according to claim 3, it is characterized in that: described power control circuit also comprises first resistance (R1), and an end of this first resistance (R1) connects the base stage of first triode (Q1), the other end is imported for the control signal of control circuit.
5, digital TV set-top box according to claim 3 is characterized in that: described control signal is a control circuit standby whether index signal.
6, according to each described digital TV set-top box of claim 1-5, it is characterized in that: described box body (10) is provided with the mains switch (13) of control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920049840U CN201374759Y (en) | 2009-01-09 | 2009-01-09 | Digital TV set top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920049840U CN201374759Y (en) | 2009-01-09 | 2009-01-09 | Digital TV set top box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201374759Y true CN201374759Y (en) | 2009-12-30 |
Family
ID=41500840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920049840U Expired - Fee Related CN201374759Y (en) | 2009-01-09 | 2009-01-09 | Digital TV set top box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201374759Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625186A (en) * | 2012-03-13 | 2012-08-01 | 深圳市九洲电器有限公司 | STB (Set Top Box) and system for controlling real standby of STB |
| WO2014165898A1 (en) * | 2013-04-11 | 2014-10-16 | Embertec Pty Ltd | Power monitoring system |
-
2009
- 2009-01-09 CN CN200920049840U patent/CN201374759Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625186A (en) * | 2012-03-13 | 2012-08-01 | 深圳市九洲电器有限公司 | STB (Set Top Box) and system for controlling real standby of STB |
| WO2014165898A1 (en) * | 2013-04-11 | 2014-10-16 | Embertec Pty Ltd | Power monitoring system |
| CN105379296A (en) * | 2013-04-11 | 2016-03-02 | 安博泰克有限公司 | Power monitoring system |
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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: 20091230 Termination date: 20110109 |