CN2824469Y - Television with power consumption control circuit - Google Patents
Television with power consumption control circuit Download PDFInfo
- Publication number
- CN2824469Y CN2824469Y CN 200520087586 CN200520087586U CN2824469Y CN 2824469 Y CN2824469 Y CN 2824469Y CN 200520087586 CN200520087586 CN 200520087586 CN 200520087586 U CN200520087586 U CN 200520087586U CN 2824469 Y CN2824469 Y CN 2824469Y
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- power supply
- circuit
- control circuit
- additional function
- television
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Abstract
The utility model discloses a television with a power consumption control circuit, which comprises a CPU, a DC power supply and an output end of an electric power supply of an additional function circuit, wherein an IO opening of the CPU is connected with a control end of a switch circuit, one end of a gating end of the switching circuit is connected with the DC power supply, the other end of the switching circuit is connected with the output end of an electric power supply of an additional function circuit and the switching control circuit is formed by connecting an NPN type triode and a P channel MOS pipe. The conduction or the cutoff of the switching control circuit is realized under the control of the CPU, and the television can effectively be cut off the electric power supply of an additional function circuit at TV stand-by state or TV program watching time so as to cause the television to stop working and avoid power loss. The whole control circuit has the advantages of simple structure and high reliability. The utility model fully uses the existing resources and simultaneously needs to add few cost to solve the problems of large power consumption of a complete machine existing in the prior art, and makes the television perfect.
Description
Technical field
The utility model relates to a kind of TV set circuit to be improved, and specifically, relates to a kind of can effectively the cut-out when the television set standby or when watching the TV program and other functional circuits that it is irrelevant, thereby reaches the intelligence control circuit that reduces the power loss purpose.
Background technology
At present, increasing along with the develop rapidly of science and technology and consumer demand, traditional television set has been endowed the function that becomes increasingly complex.A lot of television sets have all increased miscellaneous functions such as DVD broadcast, USB streaming media communication and online amusement, thereby when television set is in holding state or watches the TV program, if can not handle these auxiliary functional circuits well, still allow it in running order, not only much electricity can be wasted, and the energy-conservation needs of current society can not be satisfied.So, how to adopt a kind of better method when the consumer does not use additional function, can effectively cut off the power supply of these functional circuits, it is quit work, just become the key issue that present needs solve thereby reach energy saving purposes.
Summary of the invention
The utility model is when solving that television set is in holding state or watches the TV program in the prior art, auxiliary functional circuit works on, thereby cause the big problem of power loss, a kind of novel TV machine power control circuit is provided, by adopting simple circuit configuration, when television set does not use additional function, effectively cut off the power supply of these functional circuits, thereby reached energy saving purposes.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of television set with power control circuit, the power supply output that comprises CPU, DC power supply and additional function circuit, wherein, the IO mouth of described CPU links to each other with the control end of a switching circuit, gating end one end of described switching circuit connects described DC power supply, and the other end connects the power supply output of additional function circuit.
As a kind of execution mode to technique scheme, described switching circuit is realized by a NPN type triode, the base stage of described NPN type triode connects the IO mouth of described CPU on the one hand, connect described DC power supply through pull-up resistor on the other hand, collector electrode connects described DC power supply, and emitter links to each other with the power supply output of described additional function circuit.
As the another kind of execution mode to technique scheme, described switching circuit is connected realization by a NPN type triode with a P channel MOS tube; Wherein, the base stage of described NPN type triode connects the IO mouth of described CPU on the one hand, connects described DC power supply through pull-up resistor on the other hand, and collector electrode connects the grid of described P channel MOS tube, grounded emitter; The source electrode of described P channel MOS tube connects described DC power supply on the one hand, links to each other with its grid through a resistance on the other hand; Drain electrode links to each other with the power supply output of described additional function circuit.Between the power supply output of described additional function circuit and ground, be connected with filter capacitor.
As further qualification to technique scheme, described DC power supply is+5V ,+9V or+the 12V DC power supply; The model of described P channel MOS tube is IRLML6401, can bear the electric current about 1A.
Compared with prior art, advantage of the present utility model and good effect are: the utility model is by being connected ON-OFF control circuit between the power supply output of DC power supply and additional function circuit, under the control of CPU, realize its connection or end, and then when television set is in holding state or watches the TV program, can effectively cut off the power supply of additional function circuit, it is quit work, avoid power loss.The The whole control circuit structure is simple, the reliability height, and when making full use of existing resource, only needing increases few cost, just can solve the big problem of Overall Power Consumption that in the past usually ran into.And can select the metal-oxide-semiconductor of different capacity as required, satisfy the needs of different big electric currents, thereby really reached energy saving purposes, make television set be tending towards perfect more.
Description of drawings
Fig. 1 is the power control circuit figure of the utility model television set.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done explanation in further detail.
Among Fig. 1, in 3,4 pin of the line bank XP1 connection television set+the 5V DC power supply, the IO mouth of CPU connects the base stage of NPN type triode Q10 on the one hand through resistance R 115, link to each other with 3 pin of described line bank XP1 through resistance R 116 on the other hand.Described NPN type triode Q10 adopts common triode such as S8050 popular in the present television set or 2N3904 to realize that its collector electrode connects the grid of a metal-oxide-semiconductor Q9, grounded emitter.Described metal-oxide-semiconductor Q9 adopts P channel-type switch MOS pipe IRLML6401 commonly used to realize, can bear the electric current about 1A, its model can suitably be chosen according to the supply current size of additional function circuit.The source electrode of described metal-oxide-semiconductor Q9 connects 3 pin of line bank XP1, and links to each other with its grid through resistance R 117, and drain electrode connects the power supply output of additional function circuit, to additional function circuit output power supply, makes its operate as normal.Described additional function circuit can be streaming media playing circuit, DVD playing circuit etc.
When using the additional function of television set, the IO mouth of CPU output high level signal, control triode Q10 saturation conduction.At this moment, gate source voltage Vgs＜0 of metal-oxide-semiconductor Q9 makes its conducting, and+5V DC power supply provides working power by source electrode, the drain electrode of described metal-oxide-semiconductor Q9 for the additional function circuit.Capacitor C 89, C88 play the effect of filtering voltage regulation to the working power of output.When television set is in holding state or watches the TV program, CPU is by IO mouth output low level signal, control triode Q10 ends, at this moment, the gate source voltage Vgs=0 of metal-oxide-semiconductor Q9, metal-oxide-semiconductor Q9 is in cut-off state, the power supply of additional function circuit is cut off, thereby realized that when watching TV program or standby control additional function circuit quits work, and reaches energy saving purposes.
Described DC power supply also can adopt+9V or+the 12V DC power supply, get final product according to the corresponding circuit parameter of size adjustment of DC power supply.Certainly, in the less circuit of some operating current, described switching circuit can directly adopt a NPN type triode to realize that the base stage of described NPN type triode connects the IO mouth of CPU on the one hand, on the other hand through pull-up resistor connection+5V DC power supply; Collector and emitter connects respectively+the power supply output of 5V DC power supply and additional function circuit.The IO mouth of described CPU output high-low level signal, control triode conducting or end, and then realize power supply or cut-out to the additional function circuit, can reach the energy-saving and cost-reducing function of complete machine equally.
The utility model has been avoided the increase of Overall Power Consumption by adopting above-mentioned simple circuit configuration when television set increases miscellaneous function, has effectively saved the energy, has broad application prospects.Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection range of the present utility model.
Claims (7)
1. television set with power control circuit, the power supply output that comprises CPU, DC power supply and additional function circuit, it is characterized in that: the IO mouth of described CPU links to each other with the control end of a switching circuit, gating end one end of described switching circuit connects described DC power supply, and the other end connects the power supply output of additional function circuit.
2. the television set with power control circuit according to claim 1, it is characterized in that: described switching circuit is realized by a NPN type triode, the base stage of described NPN type triode connects the IO mouth of described CPU on the one hand, connect described DC power supply through pull-up resistor on the other hand, collector electrode connects DC power supply, and emitter links to each other with the power supply output of described additional function circuit.
3. the television set with power control circuit according to claim 1 is characterized in that: described switching circuit is connected realization by a NPN type triode with a P channel MOS tube; Wherein, the base stage of described NPN type triode connects the IO mouth of described CPU on the one hand, connects described DC power supply through pull-up resistor on the other hand, and collector electrode connects the grid of described P channel MOS tube, grounded emitter; The source electrode of described P channel MOS tube connects described DC power supply, and drain electrode links to each other with the power supply output of described additional function circuit.
4. the television set with power control circuit according to claim 3 is characterized in that: be connected with a resistance between the grid of described P channel MOS tube and source electrode.
5. according to claim 2 or 3 described television sets, it is characterized in that: between the power supply output of described additional function circuit and ground, be connected with filter capacitor with power control circuit.
6. the television set with power control circuit according to claim 1 is characterized in that: described DC power supply for+5V ,+9V or+the 12V DC power supply.
7. the television set with power control circuit according to claim 3 is characterized in that: the representative model of described P channel MOS tube is IRLML6401.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087586 CN2824469Y (en) | 2005-09-26 | 2005-09-26 | Television with power consumption control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087586 CN2824469Y (en) | 2005-09-26 | 2005-09-26 | Television with power consumption control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2824469Y true CN2824469Y (en) | 2006-10-04 |
Family
ID=37033587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520087586 Expired - Fee Related CN2824469Y (en) | 2005-09-26 | 2005-09-26 | Television with power consumption control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2824469Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729828B (en) * | 2008-10-14 | 2012-09-05 | 中兴通讯股份有限公司 | Video conference terminal and control method of working states thereof |
| CN108683323A (en) * | 2018-04-24 | 2018-10-19 | 安徽艾可蓝环保股份有限公司 | A kind of low speed paper tape reader static power disspation control circuit |
| WO2019051994A1 (en) * | 2017-09-18 | 2019-03-21 | 深圳市沃特沃德股份有限公司 | Switch circuit and terminal device |
| CN111857322A (en) * | 2020-06-19 | 2020-10-30 | 海信（山东）冰箱有限公司 | Method and device for reducing standby power consumption of washing machine, washing machine and related equipment |
-
2005
- 2005-09-26 CN CN 200520087586 patent/CN2824469Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101729828B (en) * | 2008-10-14 | 2012-09-05 | 中兴通讯股份有限公司 | Video conference terminal and control method of working states thereof |
| WO2019051994A1 (en) * | 2017-09-18 | 2019-03-21 | 深圳市沃特沃德股份有限公司 | Switch circuit and terminal device |
| CN108683323A (en) * | 2018-04-24 | 2018-10-19 | 安徽艾可蓝环保股份有限公司 | A kind of low speed paper tape reader static power disspation control circuit |
| CN111857322A (en) * | 2020-06-19 | 2020-10-30 | 海信（山东）冰箱有限公司 | Method and device for reducing standby power consumption of washing machine, washing machine and related equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |