CN103034145A - Household appliance stand-by power consumption reduction method and achieving circuit thereof - Google Patents
Household appliance stand-by power consumption reduction method and achieving circuit thereof Download PDFInfo
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- CN103034145A CN103034145A CN2012105571043A CN201210557104A CN103034145A CN 103034145 A CN103034145 A CN 103034145A CN 2012105571043 A CN2012105571043 A CN 2012105571043A CN 201210557104 A CN201210557104 A CN 201210557104A CN 103034145 A CN103034145 A CN 103034145A
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Abstract
The invention discloses a household appliance stand-by power consumption reduction method and an achieving circuit thereof. According to the household appliance stand-by power consumption reduction method and the achieving circuit thereof, a stand-by non effect circuit is separated from a household appliance stand-by power consumption effect circuit, the connection between the stand-by non effect circuit and a power source is controlled by a main control chip (MCU) which is arranged on a household appliance, when the household appliance is in a stand-by state, the MCU controls the stand-by non effect circuit to be disconnected with the power source, and when the household appliance normally works, the MCU controls the stand-by non effect circuit to be connected with the power source. The household appliance stand-by power consumption reduction method and the achieving circuit thereof can achieve the reduction of the household appliance stand-by power consumption to the maximum, is low in cost without dealing with an electromagnetic compatibility issue, losing of protection or high value-added functions and canceling of an auxiliary circuit for inspecting are of no need due to corresponding to stand-by power consumption, and damage to non-power supply circuit part energized electronic devices caused by the influence of abnormally high voltage under a stand-by state is reduced.
Description
Technical field
The present invention relates to a kind of cutting method for the household electrical appliance stand-by power consumption and realize circuit.
Background technology
In the modern life, a large amount of electronic and electrical equipments all are in long stand-by operation state, such as various televisors, air conditioner, household PC etc.This greatly facilitates people's work and life, but there be not " stand-by power consumption " in electric equipment because power supply turn-offs during standby.At present, " stand-by power consumption " accounted for the 3-13% of country of Organization for International Economic Cooperation (OECD) civilian power consumption.Find according to the investigation of Chinese CECP, the family appliance standby energy consumption of China's urban family average every day is 0.36 degree electricity, and the family appliance standby energy consumption accounts for more than 10% of Chinese family power consumption.And the energy-conservation regulation that China in 2012 has put into effect " bull's eye sign ".
The part home appliance is owing to existing mechanical switch, and when entering when not working for a long time, MCU triggers and disconnects whole AC ac input circuit, realizes 0 standby power, for example washing machine; But the household electrical appliances of a lot of household electrical appliances, particularly subsidiary distant control function, such as air-conditioning, TV etc., during remote control reception is prepared, therefore can't realize real 0 the changing of standby power always.And stand-by power consumption is mainly concentrated the auxiliary circuit of MCU detection usefulness in AC ac input circuit, current rectifying and wave filtering circuit, power circuit, secondary load circuit and AC interchange and the load circuit.
For above-mentioned various circuit conditions, many affiliated enterprises and fan have carried out very many-sided trial and Improvement.Subduing of standby power concentrates on two aspects substantially now:
1. AC ac input circuit: the input impedance of device in the increasing circuit;
2. rectification circuit: reduce leakage current, improve conversion efficiency, increase input impedance;
3. in the power circuit part: continue to adopt the switching power circuit of higher frequency under the ideal case, the loss that improves power supply conversion efficiency, reduction power supply self;
4. secondary load circuit: improve impedance, reduce electric current;
5. detect and use auxiliary circuit: directly cancel subsidiary loop.
But present technology has the following disadvantages:
1. increase resistance, raise the efficiency, reduce leakage current, can not amplitude peak subdue stand-by power consumption, EMC electromagnetic compatibility problem occurs simultaneously;
2. the frequency that continues the raising Switching Power Supply goes wrong at the EMC electromagnetic compatibility, the countermeasure cost is high;
3. cancellation detects with subsidiary loop and may cause protecting or the forfeiture of high added value function;
4. under the holding state, since the electron device that the non-power circuit that the impact of abnormally high-voltage causes is partly switched on destroy.
Summary of the invention
The present invention is directed to above-mentioned deficiency, the circuit that proposes a kind of reduction of new stand-by power consumption consists of and implementation method.This circuit consists of and implementation method can be widely used on the electric equipment to will be the in past days beneficial strict family expenses of standby power even industrial use, and to the environmental protection and energy saving of electrical equipment, reliability, security etc. has suitable meaning.
For above technical requirement, the present invention realizes by following scheme:
A kind of method of the reduction for the household electrical appliance stand-by power consumption, it is characterized in that: from the circuit that affects stand-by power consumption of household electrical appliance, mark off standby without affecting circuit, the main control chip MCU that carries with household electrical appliance controls described standby without affecting being connected of circuit and power supply, when household electrical appliance are in holding state, main control chip MCU controls described standby and disconnects without affecting circuit and power supply, when household electrical appliance were in normal operation, main control chip MCU controlled described standby without affecting circuit and power connection.
Described standby refers in the household electrical appliance without affecting circuit, when household electrical appliance are in holding state, does not act on the circuit that does not carry out work; Described standby affects circuit and refers in the household electrical appliance, when household electrical appliance are in holding state, carries out the circuit of work, for example main control chip MCU.
Described main control chip MCU controls described standby without affecting circuit and power connection or disconnection by an open type switch.
A kind of household electrical appliance circuit with stand-by power consumption reduction function, comprise that main control chip MCU, standby affect circuit and standby without affecting circuit, it is characterized in that: described main control chip MCU controls described standby without affecting being connected of circuit and power supply, when household electrical appliance are in holding state, main control chip MCU controls described standby and disconnects without affecting circuit and power supply, when household electrical appliance were in normal operation, main control chip MCU controlled described standby without affecting circuit and power connection.
Circuit is distributed in the secondary load circuit and detection is used in the auxiliary circuit without affecting in above-mentioned standby.Wherein the secondary load circuit is divided into: the secondary load standby affects circuit and secondary load standby without affecting circuit.Detection is divided into the influential detection auxiliary circuit of standby and standby without affecting auxiliary circuit with auxiliary circuit.
Above-mentioned secondary load standby arranges unified contact, above-mentioned standby without the power supply circuit that affects all subordinate's circuit of circuit and unified contact is set, unifies at this that contact place arranges the open type switching device, MCU controls this open type device without the detection importation that affects auxiliary circuit.Control when the just normal worker of household electrical appliances makes Time, MCU that this open type switching device is closed, the load standby without affect circuit and without affect the auxiliary circuit connection, all household electrical appliances functions work.When being in holding state, MCU on this open type switching device do not control, consumed power own reduces, simultaneously load standby is without affect circuit and without affect the disconnection of auxiliary circuit and power supply, realization isolation physically, this partial circuit is real realizes 0 power consumption, thus the reduction stand-by power consumption of amplitude peak.
The present invention has following beneficial effect:
1. can farthest realize subduing of family appliance standby power consumption;
2. with low cost without countermeasure electromagnetic compatibility problem;
3. do not use subsidiary loop because corresponding stand-by power consumption does not need cancellation to detect, do not need forfeiture protection or high added value function;
4. under the holding state, because the electron device that the still non-power circuit that the impact of abnormally high-voltage causes is partly switched on destroys reduces.
Description of drawings
Fig. 1 is circuit structure block diagram of the present invention;
Fig. 2 is implementing circuit figure of the present invention.
Embodiment
The method of a kind of reduction for the household electrical appliance stand-by power consumption of the present invention, from the circuit that affects stand-by power consumption of household electrical appliance, mark off standby without affecting circuit, the main control chip MCU that carries with household electrical appliance controls described standby without affecting being connected of circuit and power supply, when household electrical appliance are in holding state, main control chip MCU controls described standby and disconnects without affecting circuit and power supply, when household electrical appliance were in normal operation, main control chip MCU controlled described standby without affecting circuit and power connection.In the present embodiment, at first will affect stand-by power consumption and concentrate circuit to repartition, wherein the secondary load circuit is divided into: the secondary load standby affects circuit and secondary load standby without affecting circuit.Detection is divided into the influential detection auxiliary circuit of standby and standby without affecting auxiliary circuit with auxiliary circuit.Above-mentioned level load standby arranges unified contact, above-mentioned standby without the power supply circuit that affects all subordinate's circuit of circuit and unified contact is set, unifies at this that contact place arranges the open type switching device, MCU controls this open type device without the detection importation that affects auxiliary circuit.Control when the just normal worker of household electrical appliances makes Time, MCU that this open type device is closed, the load standby without affect circuit and without affect the auxiliary circuit connection, all household electrical appliances functions work.When being in holding state, MCU on this open type switching device do not control, consumed power own reduces, simultaneously load standby is without affect circuit and without affect the disconnection of auxiliary circuit and power supply, realization isolation physically, this partial circuit is real realizes 0 power consumption, thus the reduction stand-by power consumption of amplitude peak.
Figure 1 shows that the implementing circuit block diagram of said method, each load standby arranges node without affecting circuit 1 power supply unification, and this node is by being connected connection with power circuit with the first open type switching device 9; Each detects to assist with standby and without affecting circuit 4 detection incoming line unifications node is set, and this node is connected with the AC ac input circuit with the second open type switching device 2 or rectification filtering circuit 6 connects; The first open type on-off element 2, the second open type switch component 9 and link to each other with MCU loop 8 by its driving circuit 7 with power circuit 3.
The present invention is described in further detail by following implementation circuit.
With reference to shown in Figure 2, be an implementation circuit of the present invention.The AC ac input circuit is provided as the input voltage of power circuit after by rectifying and wave-filtering.Because these household electrical appliances have the telepilot receiving function, thus MCU also continuous firing, 5V system are influential circuit under the holding state under stand-by operation.The power supply of 12V system is the power supply of driving power element, under holding state, the duty in this loop do not affect the function of standby, be defined as standby without affect load circuit but draw or pull down resistor approximately R12V=500 ohm (resistance value of each household electrical appliances or the obstructed series of same household electrical appliances may be all not identical, get 500 ohm herein), the about 0.288W of consumed power then owing to having under the holding state of 12V loop, considers that the conversion efficiency, this part power consumption integral body of power supply are more than 0.3W.And clock detection circuit is the detection auxiliary circuit that the facies-controlled AC alternating current motor in position uses, and has various ways, this example to get R1=R2=100K ohm by the value of resistance R 1, resistance R 2(R1, R2 resistance) and twocouese photoelectrical coupler PC1 forms, this circuit not have to use, therefore be defined as standby without the auxiliary detection circuit that affects but the power consumption generation of nearly 0.25W under holding state; Although above-mentioned two parts circuit does not exert an influence to idle function under holding state, there is energy consumption to occur.The present invention is that side and clock circuit detect that resistance R 1 front portion arranges open type on-off element relay R Y1, RY2(such as relay, photoelectrical coupler etc., this place is relay at 12V respectively).When household electrical appliances run well, closed, the 12V system of MCU pilot relay RY1, RY2 and the conducting of clock loop, household electrical appliances normal operation; When being in holding state lower time, relay R Y1, RY2 are in normally open position, 12V system and clock loop and are in physical segregation state, can farthest realize subduing of stand-by power consumption.
Claims (8)
1. method that is used for the reduction of household electrical appliance stand-by power consumption, it is characterized in that: from the circuit that affects stand-by power consumption of household electrical appliance, mark off standby without affecting circuit, the main control chip MCU that carries with household electrical appliance controls described standby without affecting being connected of circuit and power supply, when household electrical appliance are in holding state, main control chip MCU controls described standby and disconnects without affecting circuit and power supply, when household electrical appliance were in normal operation, main control chip MCU controlled described standby without affecting circuit and power connection.
2. the method for a kind of reduction for the household electrical appliance stand-by power consumption according to claim 1, it is characterized in that: described standby is in the household electrical appliance without affecting circuit, when household electrical appliance are in holding state, not effect, the circuit that does not carry out work; It is in the household electrical appliance that described standby affects circuit, when household electrical appliance are in holding state, carries out the circuit of work.
3. the method for a kind of reduction for the household electrical appliance stand-by power consumption according to claim 1, it is characterized in that: described main control chip MCU controls described standby without affecting circuit and power connection or disconnection by the open type switch.
4. one kind has the household electrical appliance circuit that stand-by power consumption is cut down function, comprise that main control chip MCU, standby affect circuit and standby without affecting circuit, it is characterized in that: described main control chip MCU controls described standby without affecting being connected of circuit and power supply, when household electrical appliance are in holding state, main control chip MCU controls described standby and disconnects without affecting circuit and power supply, when household electrical appliance were in normal operation, main control chip MCU controlled described standby without affecting circuit and power connection.
5. a kind of household electrical appliance circuit that stand-by power consumption is cut down function that has according to claim 4, it is characterized in that: described standby is in the household electrical appliance without affect circuit, when household electrical appliance are in holding state, does not act on the circuit that does not carry out work; It is in the household electrical appliance that described standby affects circuit, when household electrical appliance are in holding state, carries out the circuit of work.
6. a kind of household electrical appliance circuit that stand-by power consumption is cut down function that has according to claim 4, it is characterized in that: circuit is distributed in the secondary load circuit and detection is used in the auxiliary circuit without affecting in described standby, comprises that the secondary load standby is without affecting circuit and standby without affecting auxiliary circuit.
7. a kind of household electrical appliance circuit that stand-by power consumption is cut down function that has according to claim 6 is characterized in that: described secondary load standby without the power supply circuit that affects all subordinate's circuit of circuit arrange unified contact,, MCU controls this open type switching device to control described secondary load standby without affecting being switched on or switched off of circuit and power supply.
8. a kind of household electrical appliance circuit that stand-by power consumption is cut down function that has according to claim 6, it is characterized in that: described standby arranges unified contact, at described unified contact place the open type switching device is set without the detection importation that affects auxiliary circuit, and MCU controls this open type switching device to control described standby without affecting being switched on or switched off of auxiliary circuit and power supply.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210557104.3A CN103034145B (en) | 2012-12-19 | 2012-12-19 | A kind of method of reduction for household electrical appliance stand-by power consumption and realize circuit |
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| CN201210557104.3A CN103034145B (en) | 2012-12-19 | 2012-12-19 | A kind of method of reduction for household electrical appliance stand-by power consumption and realize circuit |
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| CN103034145A true CN103034145A (en) | 2013-04-10 |
| CN103034145B CN103034145B (en) | 2016-08-31 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2694667Y (en) * | 2004-03-22 | 2005-04-20 | 深圳创维－Rgb电子有限公司 | Standby circuit and TV set containing the circuit |
| JP2006136100A (en) * | 2004-11-04 | 2006-05-25 | Funai Electric Co Ltd | Electronic device |
| CN101729832A (en) * | 2009-12-16 | 2010-06-09 | 广东朝野科技有限公司 | Television standby method with low power consumption and standby auxiliary circuit |
| CN201726193U (en) * | 2010-06-02 | 2011-01-26 | 郭士军 | Circuit for reducing circuit standby power consumption |
| CN202166858U (en) * | 2011-06-18 | 2012-03-14 | 青岛朗进科技有限公司 | Low-power dissipation standby device |
-
2012
- 2012-12-19 CN CN201210557104.3A patent/CN103034145B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2694667Y (en) * | 2004-03-22 | 2005-04-20 | 深圳创维－Rgb电子有限公司 | Standby circuit and TV set containing the circuit |
| JP2006136100A (en) * | 2004-11-04 | 2006-05-25 | Funai Electric Co Ltd | Electronic device |
| CN101729832A (en) * | 2009-12-16 | 2010-06-09 | 广东朝野科技有限公司 | Television standby method with low power consumption and standby auxiliary circuit |
| CN201726193U (en) * | 2010-06-02 | 2011-01-26 | 郭士军 | Circuit for reducing circuit standby power consumption |
| CN202166858U (en) * | 2011-06-18 | 2012-03-14 | 青岛朗进科技有限公司 | Low-power dissipation standby device |
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| CN103034145B (en) | 2016-08-31 |
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