CN102566464A - Power standby switch circuit - Google Patents
Power standby switch circuit Download PDFInfo
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- CN102566464A CN102566464A CN2012100310507A CN201210031050A CN102566464A CN 102566464 A CN102566464 A CN 102566464A CN 2012100310507 A CN2012100310507 A CN 2012100310507A CN 201210031050 A CN201210031050 A CN 201210031050A CN 102566464 A CN102566464 A CN 102566464A
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- 238000004146 energy storage Methods 0.000 description 3
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Abstract
The invention provides a power standby switch circuit for turning off load of a primary power supply in a standby state. The power standby switch circuit consists of a power conversion circuit (DZ), a load (RL), a control (KZ) and a switch (K) and is characterized in that the primary power supply is obtained from two ends of the switch and passes through the load to form a loop; in a standby state, the switch is powered by the primary power supply when being started; when the K is closed, the primary power supply loses voltage, and the way of supplying power by stored energy is stably transited to the way of supplying power by a secondary power supply; and therefore, the problem that the standby power of the existing television, air conditioner and desktop computer is more than 3W is solved. The mutual transmission of control signals is guaranteed by an isolation circuit, the power supply required in a non-standby working state (the K is closed) is provided by a secondary power supply winding, the primary power supply is obtained when the two ends of the switch are separated, and the stored energy passes through the load to form the loop; and in a standby state, small current is obtained from the primary power supply to maintain standby work, and the load on the primary power supply is turned off, so that the standby power of the television and the air conditioner is 0.3W, and the total standby power of the computer and a display is 0.03W.
Description
Technical field
The present invention relates to the on/off circuit of household electrical appliance, be specifically related to the power supply standby switch circuit of household electrical appliance such as televisor, air conditioner, desktop computer.
Background technology
Televisor, air conditioner, desktop computer stand-by power consumption are because standby switch circuit self is in the position by the secondary power supply power supply greater than 3 watts; And can only close the load by the secondary power supply power supply when having determined standby, so the stand-by power consumption of household electrical appliances such as existing televisor, air conditioner, desktop computer will drop to less than 1 watt of difficulty relatively.Contactor primary power source that common electrician knows starts, and the usefulness in addition of secondary power supply self-lock mechanism isolates to pass The Application of Technology mutually in conjunction with existing control signal, can solve household electrical appliance stand-by power consumptions such as televisor, air conditioner, desktop computer greater than 3 watts problem.
The content of utility model
To the above-mentioned deficiency that prior art exists, close the load on the primary power source when the objective of the invention is standby, the Weak current that only keeps self stand-by operation to use; During standby, start power switch when closed, self supply power by primary power source; To the household electrical appliances shutdown, self is supplied power by secondary power supply after the switch closure work; Make the stand-by power consumption of televisor, air conditioner reduce to 0.3 watt, desktop computer adds that the stand-by power consumption of display reduces to 0.03 watt.
The objective of the invention is to realize like this: the power supply standby switch circuit comprises power-switching circuit (DZ), load circuit (RL), control circuit (KZ) and switch (K) composition; It is characterized in that half-wave rectification isolating diode (1D) negative pole links to each other with the end that power supply (X) links to each other with switch (K) in the power-switching circuit (DZ), during standby when primary power source obtains electric current and supplies self standby with, energy storage usefulness during with, starting switch closure; The negative pole of half-wave rectification isolating diode (2D, 2D1) links to each other with the middle secondary power supply (B2) of load circuit (RL) respectively, obtains the above relay coil of secondary power supply and 12V and uses direct supply, the usefulness of working behind the switch closure; Power output circuit (KE) links to each other with switch (K), provides relay coil to use direct supply; Power output circuit (E, 2E) links to each other with control circuit (KZ), for control circuit provides working power; The end that ground CC (L) links to each other with load circuit (RL) with switch (K) links to each other, and makes the earth potential of power supply standby switch circuit, through self the work passage in loop of load circuit connection; Half-wave rectification isolating diode (1D) is anodal to link to each other with the anodal end with biasing isolating diode (1D2) negative pole and dropping resistor (1R1) of storage capacitor (1C1); Biasing isolating diode (1D2) is anodal to link to each other with an end of biasing resistor (1R2) with biasing storage capacitor (1C2) is anodal; The other end of dropping resistor (1R1) links to each other with triode (BG1) collector and triode (BG2) collector with isolating diode (1D3) negative pole, isolating diode (2D3) positive pole; The other end of biasing resistor (1R2) links to each other with an end of triode (BG1) base stage and biasing resistor (2R1) with voltage stabilizing diode (WD) is anodal; The other end of biasing resistor (2R1) links to each other with biasing isolating diode (2D4) is anodal; Biasing isolating diode (2D4) negative pole links to each other with isolating diode (2D3) negative pole and isolating diode (2D5) negative pole, filter capacitor (2C) positive pole and half-wave rectification isolating diode (2D) are anodal; Isolating diode (1D3) is anodal to link to each other with an end of dropping resistor (1R3) with storage capacitor (1C3) is anodal; The other end of dropping resistor (1R3) links to each other with isolating diode (2D2) is anodal; Isolating diode (2D2) negative pole links to each other with filter capacitor (2C1) is anodal with half-wave rectification isolating diode (2D1) is anodal; Triode (BG1) emitter links to each other with an end of triode (BG2) base stage and resistance (Re); The other end of resistance (Re) links to each other with triode (BG2) emitter and filter capacitor (C) are anodal, and storage capacitor (1C1) negative pole links to each other with storage capacitor (1C2) negative pole, storage capacitor (1C3) negative pole, filter capacitor (2C) negative pole, filter capacitor (2C1) negative pole, filter capacitor (C) negative pole and voltage stabilizing diode (WD) negative pole and ground CC (L) jointly; The collaborative completion by primary power source power supply smooth transition supplied power to secondary power supply.
Said load circuit (RL) is characterized in that having in the transformer one group of secondary power supply winding (B2), and three output terminals (L0, L1, L2) of power supply winding (B2) link to each other respectively with ground CC (L), half-wave rectification isolating diode (2D) negative pole, half-wave rectification isolating diode (2D1) negative pole in the power-switching circuit (DZ); The continuation that provides secondary power supply to keep switch behind the switch closure is closed.
Said control circuit (KZ) is characterized in that being made up of photodiode (VD2, VD3), secondary power supply (2E); Photodiode (VD2) input end is connected with mainboard standby signal output point, and input end links to each other pin of output terminal, another pin links to each other with power supply E with phase inverter (A3); Let standby signal CS break-make; Pin of photodiode (VD3) input end link to each other with triode (BG3) collector obtain coded signal, another pin links to each other with secondary power supply (2E) through resistance (R4); Reduce the loss of storage capacitor when switch activated, photodiode (VD3) output terminal is connected with mainboard coded signal input point.It is different to solve potential reference point by photodiode (VD2, VD3), the problem that control signal can not directly be transmitted.
Said switch (K) is characterized in that being made up of triode (BG), resistance (R), diode (D1, D2) and relay (CJ); Triode (BG) base stage links to each other behind resistance (R) with triode (BG) emitter behind diode (D1, D2), and triode (BG) collector is connected with KE through relay (CJ).Constant-current driving, switch activated close with the time stop that superpotential causes excess current infringement to relay (CJ).
The present invention be directed to self work when standby of household electrical appliance such as existing televisor, air conditioner, desktop computer and use the secondary power supply power supply; What close during standby is the load in the secondary power supply; The stand-by power consumption that is brought will drop to a kind of method that compares difficulty below 1 watt and provide, and lets household electrical appliance such as televisor, air conditioner, desktop computer when standby, self work exactly and uses the primary power source power supply, closes primary power source during standby; Only let the required Weak current of self work keep unimpeded through load circuit; Thereby make the desktop computer stand-by power consumption drop to 0.03 watt, make the stand-by power consumption of televisor, air conditioner drop to 0.3 watt, realize stand-by energy-saving.The method and the principle that realize stand-by energy-saving are very simple, design a power-switching circuit according to the power supply switching principle of emergency power pack, supply power respectively when on transformer, setting up a winding and just can realize standby or during non-standby.
Description of drawings
Fig. 1 is the simple and clear theory diagram of power supply standby switches
Fig. 2 is the power-switching circuit schematic diagram
Fig. 3 is the control circuit schematic diagram that is used for remote control electrical appliance
Fig. 4 is the simple and clear catenation principle figure that is used for the televisor switch
Fig. 5 is the simple and clear catenation principle figure that is used for air-conditioner switch
Fig. 6 is the control that is used for desktop computer, the simple and clear schematic diagram of switch
Embodiment
Be described further below in conjunction with accompanying drawing and specific embodiment
As shown in Figure 2, the 1D negative pole connects primary power source, anodal through 1C1, energy storage, behind 1D2 (1C2 energy storage), 1R2 and 1R1, BG1, BG2 out-put supply E, export KE through 1R1,1D3,1R3; The 2D negative pole connect secondary power supply that secondary power supply (L1) obtains through 2D4,2R1 and behind 2D3, BG1, BG2 out-put supply E, through 2D5 out-put supply 2E; The 2D1 negative pole connects secondary power supply (L2) through 2D2 output KE; L is connected among ground CC L and Fig. 3, Fig. 4, Fig. 5, Fig. 6, makes the work passage in loop of connection self.K breaks off during standby, and voltage is high, secondary power supply decompression, and 2D, 2D1 do not have electricity and can supply, and primary power source obtains electricity lets E that output is arranged, and lets KE that high voltage (relay is used) output, 2E no-voltage are arranged; K is closed during startup, the decompression of once supplying power, and 1D does not have electricity and can supply, and the power supply of tank circuit discharge (more than 5 seconds) to secondary is set up, and 2D, 2D1 obtain electricity and can supply, and E has output all the time, and KE exports all the time, and 2E has output; Start and accomplish, do not obtain load standby (shutdown) signal, 2D, 2D1 maintain electricity and can supply, and K remains closed.
As shown in Figure 3, be to be used for that televisor, air conditioner class remote signal receive, handle, transmit, start, open, the Opportunity awaiting control for linear signal output apparatus.VD1 receives remote signal, and the coded signal of the whole good type of output is sent into the decoding of 4060 sequential through A1, A2, sends into time circuit (R1, C1) and A3 by 4 pin, and through R3 (G) output start control signal, it is closed to start power switch by A4, BG4; Coded signal is sent into decoding circuit and is decoded through BG3, VD3 in addition, accomplishes the work of distant control function; VD2 from decoding circuit obtain out, the holding state signal is sent into time circuit (R1, C1) and A3, through A4, BG4, R3 output open, the Opportunity awaiting control for linear signal; AN is the manual power starting switch, is manually to make BG4 make power switch closed through R3 output high level.Phase inverter and 4060 should use and can write chip, writes start and standby coding, just can save phase inverter and 4060.G is connected with G among Fig. 4, Fig. 5, Fig. 6; E is connected with Fig. 2 circuit E, 2E is connected with Fig. 2 circuit 2E, and L is connected with Fig. 2 circuit L, and the output of reception machine signal is connected with the output of mainboard standby signal; Connecing the coded signal input is connected with the input of mainboard coded signal.
As shown in Figure 4, with the single-phase silicon-controlled switching of making switch control rectifier power source DC channel, reach the purpose of closing primary power source equally.The anode of single-phase silicon-controlled (D) is connected with the positive pole of televisor rectifier power source, and negative electrode is connected with televisor positive supply input point, is connected with the end of B2 (L0); 1D is connected with 1D negative pole in Fig. 2 circuit; L is connected with L in Fig. 2 circuit; 2D (other end L1 of winding) is connected with 2D negative pole in Fig. 2 circuit; Control utmost point G is connected with G among Fig. 3, and the reception machine signal of VD2 is exported and is connected in standby signal output and Fig. 3 circuit, and coded signal is imported with the coded signal input that connects of VD3 in Fig. 3 circuit and is connected.
As shown in Figure 5; Be the simple and clear catenation principle figure that is used for air conditioner with relay as switch; The end of CJ-3 is connected with power supply (C) among the figure; The CJ-3 other end is connected and is connected with the continuous end of resistance (R) with the D2 positive pole with the end (L0) of B2 and an end of transformer (B), and the other end of transformer (B) is connected with zero line (N); 1D is connected with 1D negative pole in Fig. 2 circuit; 2D is connected with 2D negative pole in Fig. 2 circuit; 2D1 is connected with 2D1 negative pole in Fig. 2 circuit; L is connected with L in Fig. 2 circuit; KE is connected with KE in Fig. 2 circuit; G is connected with G in Fig. 3 circuit; Standby signal output is connected with the reception machine signal output of VD2 in Fig. 3 circuit, and the coded signal input is connected with the coded signal input that connects of VD3 in Fig. 3 circuit.The air conditioner of single phase power supply only must remove CJ-1, CJ-2.
As shown in Figure 6, be the simple and clear catenation principle figure that is used for desktop computer with the two-phase controllable silicon as switch.Point clicks AN, and the dual-time circuit obtains high level signal simultaneously, and one the tunnel makes two-phase controllable silicon TR conducting (startup power supply) through R1, C1, A3, A4, BG1, TD, and B2 obtains electricity output secondary power supply; Another road is through R2, C2, A1, A2, BG2, VD3; Delay time and send a trigger pulse to mainboard start finger contact after 3 seconds, the computer starting, standby signal output point (grey lines) has high level signal; Make R1, C1 keep high level through VD2; TR holds and protects conducting to shut down of computer, and at this moment standby signal output point output low level makes two-phase controllable silicon TR turn-off after R1, the C1 time-delay.The two-phase controllable silicon T2 utmost point is connected with power input socket (CZ2) phase line; The T1 utmost point is connected, is connected with B2 (L0) end, is connected with load power source phase line inlet wire contact with accessory power outlet (CZ1) the phase line utmost point, and CZ2, the CZ1 zero line utmost point connect the back and be connected with load power source zero line inlet wire contact; 1D is connected with 1D negative pole in Fig. 2 circuit, 2D is connected with 2D negative pole in Fig. 2 circuit, and L is connected with L in Fig. 2 circuit.
Claims (4)
1. the power supply standby switch circuit comprises power-switching circuit (DZ), load circuit (RL), control circuit (KZ) and switch (K) composition; It is characterized in that half-wave rectification isolating diode (1D) negative pole links to each other with the end that power supply (X) links to each other with switch (K) in the power-switching circuit (DZ); The negative pole of half-wave rectification isolating diode (2D, 2D1) links to each other with the middle secondary power supply (B2) of load circuit (RL) respectively; Power output circuit (KE) links to each other with switch (K); Power output circuit (E, 2E) links to each other with control circuit (KZ), and ground CC (L) links to each other with the end that switch (K) links to each other with load circuit (RL); Half-wave rectification isolating diode (1D) is anodal to link to each other with an end of isolating diode (1D2) negative pole and dropping resistor (1R1) with storage capacitor (1C1) is anodal; Isolating diode (1D2) is anodal to link to each other with an end of biasing resistor (1R2) with storage capacitor (1C2) is anodal; The other end of dropping resistor (1R1) links to each other with triode (BG1) collector and triode (BG2) collector with isolating diode (1D3) negative pole, isolating diode (2D3) positive pole; The other end of biasing resistor (1R2) links to each other with an end of triode (BG1) base stage and biasing resistor (2R1) with voltage stabilizing diode (WD) is anodal; The other end of biasing resistor (2R1) links to each other with isolating diode (2D4) is anodal; Isolating diode (2D4) negative pole links to each other with isolating diode (2D3) negative pole and isolating diode (2D5) negative pole, filter capacitor (2C) positive pole and half-wave rectification isolating diode (2D) are anodal; Isolating diode (1D3) is anodal to link to each other with an end of dropping resistor (1R3) with storage capacitor (1C3) is anodal; The other end of dropping resistor (1R3) links to each other with isolating diode (2D2) is anodal; Isolating diode (2D2) negative pole links to each other with filter capacitor (2C1) is anodal with half-wave rectification isolating diode (2D1) is anodal; Triode (BG1) emitter links to each other with an end of triode (BG2) base stage and resistance (Re); The other end of resistance (Re) links to each other with triode (BG2) emitter and filter capacitor (C) are anodal, and storage capacitor (1C1) negative pole links to each other with storage capacitor (1C2) negative pole, storage capacitor (1C3) negative pole, filter capacitor (2C) negative pole, filter capacitor (2C1) negative pole, filter capacitor (C) negative pole and voltage stabilizing diode (WD) negative pole and ground CC (L) jointly.
2. power supply standby switch circuit according to claim 1; It is characterized in that in said load circuit (RL) transformer one group of secondary power supply winding (B2) being arranged, three output terminals (L0, L1, L2) of power supply winding (B2) link to each other respectively with ground CC (L), half-wave rectification isolating diode (2D) negative pole, half-wave rectification isolating diode (2D1) negative pole in the power-switching circuit (DZ).
3. power supply standby switch circuit according to claim 1 is characterized in that said control circuit (KZ) is by being made up of photodiode (VD2, VD3), secondary power supply (2E); Photodiode (VD2) input end is connected with mainboard standby signal output point, and input end links to each other pin of output terminal, another pin links to each other with power supply E with phase inverter (A3); Collector links to each other pin of photodiode (VD3) input end, another pin links to each other with secondary power supply (2E) through resistance (R4) with triode (BG3), and photodiode (VD3) output terminal is connected with mainboard coded signal input point.
4. power supply standby switch circuit according to claim 1 is characterized in that said switch (K) is made up of triode (BG), resistance (R), diode (D1, D2) and relay (CJ); Triode (BG) base stage links to each other behind resistance (R) with triode (BG) emitter behind diode (D1, D2), and triode (BG) collector is connected with KE through relay (CJ).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100310507A CN102566464A (en) | 2012-02-13 | 2012-02-13 | Power standby switch circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100310507A CN102566464A (en) | 2012-02-13 | 2012-02-13 | Power standby switch circuit |
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| CN102566464A true CN102566464A (en) | 2012-07-11 |
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| CN2012100310507A Pending CN102566464A (en) | 2012-02-13 | 2012-02-13 | Power standby switch circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104039055A (en) * | 2014-06-25 | 2014-09-10 | 何祥喜 | Dual-purpose intelligent control circuit for lamp |
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| CN201177349Y (en) * | 2008-02-20 | 2009-01-07 | 珠海格力电器股份有限公司 | Air conditioner controller and air conditioning system |
| US20090085655A1 (en) * | 2007-09-28 | 2009-04-02 | Innolux Display Corp. | Power supply circuit with stand-by control circuit and energy storage circuit |
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-
2012
- 2012-02-13 CN CN2012100310507A patent/CN102566464A/en active Pending
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| JP2001145354A (en) * | 1999-11-11 | 2001-05-25 | Lg Electronics Inc | Low stand-by power supply circuit for electric equipment |
| CN101192789A (en) * | 2006-11-22 | 2008-06-04 | 乐金电子（昆山）电脑有限公司 | Idle power reduction device of switch power and its method |
| US20090085655A1 (en) * | 2007-09-28 | 2009-04-02 | Innolux Display Corp. | Power supply circuit with stand-by control circuit and energy storage circuit |
| CN201177349Y (en) * | 2008-02-20 | 2009-01-07 | 珠海格力电器股份有限公司 | Air conditioner controller and air conditioning system |
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Non-Patent Citations (1)
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Cited By (1)
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| CN104039055A (en) * | 2014-06-25 | 2014-09-10 | 何祥喜 | Dual-purpose intelligent control circuit for lamp |
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Application publication date: 20120711 |