CN100466701C - Low-power consumption stand by circuit of TV set - Google Patents
Low-power consumption stand by circuit of TV set Download PDFInfo
- Publication number
- CN100466701C CN100466701C CNB2005101283831A CN200410051064A CN100466701C CN 100466701 C CN100466701 C CN 100466701C CN B2005101283831 A CNB2005101283831 A CN B2005101283831A CN 200410051064 A CN200410051064 A CN 200410051064A CN 100466701 C CN100466701 C CN 100466701C
- Authority
- CN
- China
- Prior art keywords
- circuit
- low
- resistance
- power consumption
- power source
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Details Of Television Systems (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention belongs to stand-by circuit of low power consumption for TV, which comprises low current supply circuit composed of a 220V rectification diode, a resistance, a capacitor, and a 5V voltage stabilizing diode, and infrared receiving tube, to monitor infrared remote control signal. This invention can allow TV keeps low consumption state.
Description
Technical field
The present invention relates to the switching circuit of television set, particularly a kind of stand-by circuit that can reduce the television set power consumption.
Background technology
In the evolution of television set, acceleration along with the digitlization process, inner basic CPU of employing of television set and DSP constitute the chip that TV signal is carried out digitized processing, the power consumption of this chip is along with the increase of its disposal ability is also increasing, to such an extent as to the power consumption during its standby has been difficult to reach environmental requirement, especially have the multifunctional top grade television set, the burden of stand-by power consumption is very heavy, all adopts usually and sets up the purpose that second CPU reaches the reduction stand-by power consumption.
The increase of CPU means the increase of circuit, the increasing of cost, and these bring negative influence for TV market with keen competition, and the consumer has often become final victim.
Summary of the invention
Therefore, the purpose of this invention is to provide the stand-by circuit of a kind of low cost, low-power consumption, this stand-by circuit can solve the big problem of stand-by power consumption effectively, makes television set remain the operating state of a low standby power loss.
Another object of the present invention provides a kind of low-power consumption standby circuit of television set, and this stand-by circuit is simple in structure, and it is convenient to use, and can reduce the production cost of high-grade television set greatly.
Stand-by circuit principle of the present invention is:
Utilize infrared remote control to receive the pulse signal of head output, through the RC integration, remove to control the switch of TV main power source again by a triode that works on off state, make stand-by circuit keep the state of low-power consumption always always, can reduce the power consumption of original stand-by circuit in this way.
Technical scheme of the invention process is:
A kind of low-power consumption standby circuit of television set, this stand-by circuit be by 220V directly through rectifier diode, resistance, electric capacity, 5V voltage stabilizing didoe form the low current power supply circuits.This stand-by circuit has only low current power supply circuits and infrared pulse testing circuit to work when standby in other words, and CPU or remote control decoding circuit need not power supply.
The low-power consumption standby circuit of described television set, for avoiding false triggering, this stand-by circuit requires starting-up signal to send continuously three seconds, just starts the main power source start.
The low-power consumption standby circuit of above-mentioned television set, if other remote controller of the designing requirement of television set does not allow out television set, can change remote control transmitter, the start key is set on remote controller, start key on the remote controller, can directly control infrared transmitting tube and send starting-up signal, rather than control infrared transmitting tube again, can control the purpose of start to reach remote controller by the infrared emission chip.
The low-power consumption standby circuit of described television set, after the television set main power source was opened, directly by CPU control, low-power consumption standby circuit no longer participated in work to remote control system.Be provided with diode D2 in the infrared receiving circuit of television set, can guarantee main frame when work, stand-by circuit does not influence the work of main frame.
The low-power consumption standby circuit of above-mentioned television set is regulated the resistance and the capacitance parameter that are positioned at the triode two ends in the infrared receiving circuit, and the remote signal that can control infrared receiving terminal needs to receive for 3 seconds is continuously just driven main power source.
The low-power consumption standby circuit of described television set, it can adopt 220V AC through the transformer step-down, isolates the back commutation supply voltage.Also can adopt 220VAC rectification again behind capacitance partial pressure, voltage stabilizing to obtain.
The low-power consumption standby circuit of described television set, it can add a negative circuit between the diode D1 of infrared receiving circuit and infrared receiving terminal IC1, make the counter-rotating of D1 direction then, and R1 is in parallel with C1, is connected on the b of Q1, and the e interpolar is with the reliability of raising circuit.
The present invention adopts above-mentioned structure, can solve the big problem of stand-by power consumption effectively, makes television set remain the operating state of a low standby power loss, and evidence stand-by circuit of the invention process is low in energy consumption, general power consumption＜100mW;
And stand-by circuit is with low cost, and its cost of manufacture only is 1/10 of an ordinary colour TV set remote control circuit, can reduce the standby cost of television set greatly, improves the efficient of stand-by circuit.
Description of drawings
Fig. 1 is a structural representation of the invention process,
Fig. 2 is the circuit structure diagram of receiving terminal of the invention process,
Fig. 3 is a remote controller terminal circuit structure chart of the invention process.
Embodiment
Shown in Figure 1, stand-by circuit of the present invention be by 220V directly through rectifier diode, resistance, electric capacity, 5V voltage stabilizing didoe form the low current power supply circuits; 220V AC is directly through D824, R817, C810, D814 rectification; Can keep stably providing the low current power supply like this, reduce the power consumption of stand-by circuit.
Concrete stand-by circuit has receiving terminal and two parts of transmitting terminal to constitute, and for receiving terminal, its control circuit as shown in Figure 2.IC1 is an infrared receiving terminal, and during no signal, Q1 makes its conducting state by R1, D2 ends, and main power source is not worked, when IC1 receives signal, electric charge on the C1 is through R3, D1, IC1 releases, and Q1 ends, the D2 conducting, main power source work. regulate R3, C1 parameter (R3 and C1 are connected on the base stage of triode Q1 respectively) can be controlled the continuous remote signal that received for 3 seconds of infrared receiving terminal and just drive main power source.
The circuit structure of transmitting terminal as shown in Figure 3, for avoiding the interference of other remote controller signal, the circuit of change remote control transmitter, power knob S1 is directly received on the infrared transmitter IC1 by R1, regulate the R3 among Fig. 2 then, the parameter of C1, may command infrared receiving terminal receive the remote signal in 3 seconds continuously and just drive main power source.
Wherein, the stand-by circuit power supply can also can adopt 220V AC through the transformer step-down by the circuit supply of Fig. 1, isolates the back commutation supply voltage.Also can adopt 220V AC rectification again behind capacitance partial pressure, voltage stabilizing to obtain.
In another embodiment, the stand-by circuit of Fig. 2 can add a negative circuit between D1 and IC1, D1 direction counter-rotating then, and R1 is in parallel with C1, is connected on the b of Q1, between the e utmost point, can improve the reliability of circuit.
Claims (2)
1, a kind of low-power consumption standby circuit of television set is characterized in that, this stand-by circuit comprises the low current power supply circuits and be connected in control circuit between low current power supply circuits and the main power source, wherein,
The low current power supply circuits are made of rectifier diode, resistance, electric capacity, 5V voltage stabilizing didoe, are parallel with electric capacity and 5V voltage stabilizing didoe behind the rectifier diode series resistor, are responsible for to infrared receiving terminal and the power supply of described control circuit;
Control circuit is responsible for activating main power source after receiving infrared starting-up signal, and it includes:
Diode D1, its negative pole connects the infrared receiving terminal output, the anodal base stage that connects triode Q1 by resistance R 3, triode Q1 is that common emitter connects, resistance R 1 is a biasing resistor, is connected with a capacitor C 1 between base stage and the emitter, and resistance R 2 is a collector resistance, another diode D2 is connected between the collector electrode and main power source of triode Q1, and negative pole connects the trigger end of main power source.
2, the low-power consumption standby circuit of television set as claimed in claim 1 is characterized in that regulating resistance R 3 and capacitor C 1 parameter, and the remote-controlled start-up signal that received for 3 seconds with the control infrared receiving terminal continuously just goes to carry out the task of activating main power source by control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101283831A CN100466701C (en) | 2004-08-13 | 2004-08-13 | Low-power consumption stand by circuit of TV set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101283831A CN100466701C (en) | 2004-08-13 | 2004-08-13 | Low-power consumption stand by circuit of TV set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1735168A CN1735168A (en) | 2006-02-15 |
| CN100466701C true CN100466701C (en) | 2009-03-04 |
Family
ID=36077350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101283831A Expired - Fee Related CN100466701C (en) | 2004-08-13 | 2004-08-13 | Low-power consumption stand by circuit of TV set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100466701C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100414982C (en) * | 2006-06-12 | 2008-08-27 | 海信集团有限公司 | TV set low-power consumption standby controlling method based on single chip microcomputer |
| CN102183899B (en) * | 2011-03-16 | 2013-07-03 | 深圳雅图数字视频技术有限公司 | Zero power consumption standby circuit |
| CN114325473B (en) * | 2021-12-24 | 2024-03-08 | 广州星际悦动股份有限公司 | Short circuit detection circuit, short circuit detection method, short circuit detection device, electronic equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06284605A (en) * | 1993-03-30 | 1994-10-07 | Sharp Corp | Power supply |
| CN1170987A (en) * | 1996-06-29 | 1998-01-21 | 松下电器产业株式会社 | Power supply device |
| CN1346211A (en) * | 2000-09-22 | 2002-04-24 | 三星电子株式会社 | Power source capable of reducing power consumption in standby mode |
| JP2003125312A (en) * | 2001-10-11 | 2003-04-25 | Sharp Corp | Power consumption controller under stand-by state |
| CN1435997A (en) * | 2002-11-22 | 2003-08-13 | 张文忠 | Low power consumption standby circuit for TV set |
| CN2582297Y (en) * | 2002-11-29 | 2003-10-22 | 青岛海信电器股份有限公司 | Low power consumption type inactive circuit for liquid crystal TV set |
-
2004
- 2004-08-13 CN CNB2005101283831A patent/CN100466701C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06284605A (en) * | 1993-03-30 | 1994-10-07 | Sharp Corp | Power supply |
| CN1170987A (en) * | 1996-06-29 | 1998-01-21 | 松下电器产业株式会社 | Power supply device |
| CN1346211A (en) * | 2000-09-22 | 2002-04-24 | 三星电子株式会社 | Power source capable of reducing power consumption in standby mode |
| JP2003125312A (en) * | 2001-10-11 | 2003-04-25 | Sharp Corp | Power consumption controller under stand-by state |
| CN1435997A (en) * | 2002-11-22 | 2003-08-13 | 张文忠 | Low power consumption standby circuit for TV set |
| CN2582297Y (en) * | 2002-11-29 | 2003-10-22 | 青岛海信电器股份有限公司 | Low power consumption type inactive circuit for liquid crystal TV set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1735168A (en) | 2006-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1518200B (en) | Switching power supply unit | |
| CN105611200A (en) | Zero power consumption standby circuit and zero power consumption standby television | |
| CN101867293B (en) | Batch type current consuming quasi-zero power consumption standby control circuit | |
| CN108734906A (en) | Self generating door bell device and control method | |
| EP1330016A3 (en) | Power supply start up circuit | |
| CN201312139Y (en) | Power supply controller | |
| CN100466701C (en) | Low-power consumption stand by circuit of TV set | |
| CN211720263U (en) | Intelligent switch, wireless control device and power supply control system | |
| CN205356293U (en) | Stand -by power consumption is zero resistance -capacitance step -down power supply double key switching on and shutting down circuit | |
| CN106376139A (en) | Method and switch for performing soft switching on high-power LED power supply with low stand-by power consumption | |
| CN204089330U (en) | A kind of adaptive power-supply battery supplies power with double circuit device | |
| CN203217292U (en) | State machine-based multifunctional electronic appliance control circuit | |
| CN203233312U (en) | Switch power supply controller and switch power supply device | |
| CN104124766B (en) | Radio energy transmission system, receiving terminal, transmitting terminal and its awakening method | |
| CN107707230B (en) | Intelligent control joint control power switch | |
| CN204733083U (en) | Fractal ultrasonic power | |
| CN201387547Y (en) | Low-power-consumption standby circuit and television having same | |
| CN213183071U (en) | Unit controller control circuit based on bluetooth | |
| CN201450643U (en) | Remote control power switch and a power switch system | |
| KR101720227B1 (en) | Apparatus for cutting off standby power | |
| CN201207684Y (en) | Set-top box controlling device | |
| CN207720022U (en) | A kind of low-power consumption starts control circuit and power supply | |
| CN2842878Y (en) | Telecontrol electronic switch | |
| CN205901566U (en) | Half -bridge synchronous Rectifier integrated control ware circuit | |
| CN111538268A (en) | Single-live-wire electricity-taking intelligent switch, wireless control device and power supply control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN TCL NEW TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TCL KING ELECTRICAL APPLIANCES (SHENZHEN) CO., LTD. Effective date: 20110212 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518067 NO.5, MIDDLE OF GONGYE AVENUE, SHEKOU, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518067 TCL BUILDING, SOUTH OF NANHAI AVENUE, NANSHAN DISTRICT, SHENZHEN CITY |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110212 Address after: 518067 South TCL building, Nanhai Road, Shenzhen, Nanshan District Patentee after: Shenzhen TCL New Technology Co., Ltd. Address before: 518067 No. 5, industrial road, Shekou, Guangdong, Shenzhen Patentee before: TCL Kingbrand Electronic (Shenzhen) Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen TCL New Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen TCL New Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090304 Termination date: 20130813 |