CN103034145B - A kind of method of reduction for household electrical appliance stand-by power consumption and realize circuit - Google Patents
A kind of method of reduction for household electrical appliance stand-by power consumption and realize circuit Download PDFInfo
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- CN103034145B CN103034145B CN201210557104.3A CN201210557104A CN103034145B CN 103034145 B CN103034145 B CN 103034145B CN 201210557104 A CN201210557104 A CN 201210557104A CN 103034145 B CN103034145 B CN 103034145B
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Abstract
The invention discloses a kind of method of reduction for household electrical appliance stand-by power consumption and realize circuit, it marks off standby without affecting circuit from the circuit affecting stand-by power consumption of household electrical appliance, the main control chip MCU carried with household electrical appliance control described in the standby connection without affecting circuit and power supply, when household electrical appliance are in holding state, standby nothing described in main control chip MCU control affects circuit and disconnects with power supply, when household electrical appliance are in and normally work, the standby nothing described in main control chip MCU control affects circuit and power on.The present invention can farthest realize the abatement of family appliance standby power consumption；With low cost without countermeasure electromagnetic compatibility problem；Owing to corresponding stand-by power consumption need not cancel detection subsidiary loop, it is not necessary to lose protection or high added value function；The electronic device of the still non-power circuit part energising caused under holding state, due to the impact of abnormally high-voltage destroys and reduces.
Description
Technical field
The present invention relates to a kind of cutting method for household electrical appliance stand-by power consumption and realize circuit.
Background technology
In the modern life, a large amount of electronic and electrical equipments are all in long stand-by operation state, such as various television sets, sky
Adjust device, home computer etc..This work greatly facilitating people and life, but electric equipment did not close because of power supply in standby period
Break and there is " stand-by power consumption ".At present, " stand-by power consumption " accounted for Organization for International Economic Cooperation country (OECD) civilian electric power disappear
The 3-13% of consumption.Investigation according to CECP of China finds, the family appliance standby energy of China's urban family average every day
Consumption is 0.36 degree of electricity, and family appliance standby energy consumption accounts for more than the 10% of Chinese family power consumption.And China in 2012 puts into effect
The energy-conservation regulation of " bull's eye mark ".
Owing to there is mechanical switch in part home appliance, when entrance does not works for a long time, MCU triggers and disconnects overall AC friendship
Flow input circuit, realize 0 standby power, such as washing machine；But a lot of household electrical appliances, particularly attach the household electrical appliances of distant control function, such as sky
Tune, TV etc., during remote control reception prepares always, therefore cannot realize standby power real 0 change.And stand-by power consumption is mainly concentrated
AC ac input circuit, current rectifying and wave filtering circuit, power circuit, secondary load circuits and AC exchange and MCU detection in load circuit
Auxiliary circuit.
For above-mentioned various circuit conditions, many affiliated enterprises and fan have carried out the most many trials and research
Improve.Now the abatement of standby power concentrates on two aspects substantially:
1. AC ac input circuit: the input impedance of device in increasing circuit；
2. rectification circuit: reduce leakage current, improve conversion efficiency, increase input impedance；
3. in power circuit part: persistently use the switching power circuit of higher frequency under ideal case, raising power supply to turn
Change efficiency, the loss of reduction power supply self；
4. secondary load circuits: improve impedance, reduce electric current；
5. detection auxiliary circuit: directly cancel subsidiary loop.
But, present technology has the disadvantage that
1. increase resistance, raising efficiency, reduction leakage current, amplitude peak can not cut down stand-by power consumption, occur that EMC is electric simultaneously
Magnetic compatibility problem；
The frequency of the most constantly improve Switching Power Supply goes wrong at EMC electromagnetic compatibility, countermeasure cost high；
3. cancel detection subsidiary loop and may cause protection or the forfeiture of high added value function；
4. under holding state, the electronic device of the non-power circuit part energising caused due to the impact of abnormally high-voltage breaks
Bad.
Summary of the invention
The present invention is directed to above-mentioned deficiency, the circuit of the reduction proposing a kind of new stand-by power consumption is constituted and implementation method.Should
Circuit composition and implementation method can be widely used in the domestic even electrical equipment of industrial use of increasingly stringent to be gone to standby power
On equipment, the environmental protection and energy saving to electrical equipment, reliability, safety etc. have suitable meaning.
For above technology requirement, the present invention is realized by below scheme:
A kind of method of the reduction for household electrical appliance stand-by power consumption, it is characterised in that: standby from the impact of household electrical appliance
The circuit of power consumption mark off standby without affect circuit, the standby nothing described in main control chip MCU control carried with household electrical appliance
Affect the connection of circuit and power supply, the standby nothing impact when household electrical appliance are in holding state, described in main control chip MCU control
Circuit and power supply disconnect, when household electrical appliance are in and normally work, main control chip MCU control described in standby without affect circuit and
Power on.
Described standby nothing affects circuit and refers in household electrical appliance, when household electrical appliance are in holding state, and not effect,
The circuit not being operated；The described standby circuit that affects refers in household electrical appliance, when household electrical appliance are in holding state, enters
The circuit of row work, such as main control chip MCU.
Described main control chip MCU by described in an open type on-off control standby without affect circuit and power on or
Disconnect.
A kind of have stand-by power consumption cut down function household electrical appliance circuit, including main control chip MCU, standby affect circuit with
And standby without affect circuit, it is characterised in that: described main control chip MCU control described in described standby without affect circuit and
The connection of power supply, when household electrical appliance are in holding state, the standby nothing described in main control chip MCU control affects circuit and power supply
Disconnecting, when household electrical appliance are in and normally work, the standby nothing described in main control chip MCU control affects circuit and power on.
Above-mentioned standby nothing affects circuit and is distributed in secondary load circuits and detection auxiliary circuit.Wherein secondary load
Circuit is divided into: secondary load is standby affects circuit and secondary load is standby without affecting circuit.Detection auxiliary circuit is divided into
Standby having an impact detects auxiliary circuit and standby without affecting auxiliary circuit.
The standby power supply circuit without affecting circuit all of subordinate circuit of above-mentioned secondary load arrange unified contact, on
State the standby detection importation without affecting auxiliary circuit to arrange unified contact, unify junction arrange open type derailing switch at this
Part, MCU control this normally on device.When household electrical appliances normally work, MCU control this open type switching device Guan Bi, load standby
Without affect circuit with without affecting auxiliary circuit and connecting, all household electrical appliances functions normally work.When being in holding state, MCU is to this
Open type switching device is not controlled, power consumption own reduces, to load standby without affecting circuit and without impact auxiliary simultaneously
Circuit and power supply disconnect, realize isolation physically, and this partial circuit really realizes 0 power consumption, thus the fall of amplitude peak
Low standby power loss.
The method have the advantages that
1. the abatement of family appliance standby power consumption can farthest be realized；
The most with low cost without countermeasure electromagnetic compatibility problem；
3. need not cancel detection subsidiary loop due to corresponding stand-by power consumption, it is not necessary to lose protection or high added value
Function；
4. under holding state, the electronics device of the still non-power circuit part energising caused due to the impact of abnormally high-voltage
Part destroys and reduces.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of the present invention；
Fig. 2 is the implementing circuit figure of the present invention.
Detailed description of the invention
The method of a kind of reduction for household electrical appliance stand-by power consumption of the present invention, standby from the impact of household electrical appliance
The circuit of power consumption mark off standby without affect circuit, the standby nothing described in main control chip MCU control carried with household electrical appliance
Affect the connection of circuit and power supply, the standby nothing impact when household electrical appliance are in holding state, described in main control chip MCU control
Circuit and power supply disconnect, when household electrical appliance are in and normally work, main control chip MCU control described in standby without affect circuit and
Power on.In the present embodiment, first concentrating circuit to repartition by affecting stand-by power consumption, wherein secondary load circuits divides
Circuit is affected and secondary load is standby without affecting circuit for: secondary load is standby.Detection auxiliary circuit is divided into standby has shadow
Ring detection auxiliary circuit and standby without affecting auxiliary circuit.The standby confession without affecting circuit all of subordinate circuit of above-mentioned level load
Electricity power circuit arranges unified contact, the above-mentioned standby detection importation without affecting auxiliary circuit arranges unified contact, at this
It is unified that junction arranges open type switching device, MCU controls this normally on device.When household electrical appliances normally work, that MCU controls this is normal
Open form device Guan Bi, load standby without affect circuit with without affecting auxiliary circuit and connecting, all household electrical appliances functions normally work.Work as place
When holding state, this open type switching device is not controlled by MCU, power consumption own reduces, load standby nothing simultaneously
Affecting circuit and disconnect without affecting auxiliary circuit and power supply, realize isolation physically, this partial circuit really realizes 0 merit
Consumption, thus the reduction stand-by power consumption of amplitude peak.
Fig. 1 show the implementing circuit block diagram of said method, and each load is standby, and without affecting, circuit 1 power supply is unified to be arranged
Node, this node is by connecting with the first open type switching device 9 and power circuit 3；Each detection auxiliary affects electricity by standby nothing
Road 4 detects that incoming line is unified arranges node, this node with the second open type switching device 2 and AC ac input circuit 5 or
Rectification filtering circuit 6 connects；First open type switch element the 2, second open type switch component 9 with and power circuit 3 by it
Drive circuit 7 is connected with MCU loop 8.
By implementing circuit in detail below, the present invention is described in further detail.
With reference to Fig. 2 Suo Shi, be embodied as circuit for of the present invention.AC ac input circuit carries by after rectifying and wave-filtering
For the input voltage for power circuit.Owing to these household electrical appliances have remote control function, therefore MCU also continues work under stand-by operation
Make, 5V system is influential circuit under holding state.And the power supply of 12V system is to drive the power supply of power component, at holding state
Under, the duty in this loop do not affect standby function, be defined as standby without affecting load circuit but owing to 12V loop is treated
(resistance value of each household electrical appliances or the obstructed series of same household electrical appliances may pullup or pulldown resistance about R12V=500 ohm under machine state
All differ, take 500 ohm herein), then power consumption about 0.288W, it is contemplated that the conversion efficiency of power supply, this part power consumption are whole
Body is at more than 0.3W.And clock detection circuit is the detection auxiliary circuit that position facies-controlled AC alternating current motor uses, by resistance R1,
The value of resistance R2(R1, R2 resistance has various ways, this example to take R1=R2=100K ohm) and twocouese photoelectrical coupler PC1
Composition, this circuit the most do not use, be therefore defined as standby without impact auxiliary testing circuit but about
The power consumption of 0.25W produces；Although above-mentioned two parts circuit does not produces impact to idle function, but has energy consumption
Occur.The present invention respectively 12V system side and clock circuit detect resistance R1 front portion arrange open type switch element relay R Y1,
RY2(such as relay, photoelectrical coupler etc., this place are relay).When household electrical appliances run well, MCU control relay R Y1, RY2
Guan Bi, 12V system and clock loop conducting, household electrical appliances normally work；When being under holding state, relay R Y1, RY2 are in often
Open position, 12V system and clock loop are in physical segregation state, can farthest realize the abatement of stand-by power consumption.
Claims (6)
1. the method for the reduction of household electrical appliance stand-by power consumption, it is characterised in that: AC alternating current is carried out rectifying and wave-filtering
After be input to power circuit, the main control chip MCU carried with household electrical appliance by described power circuit is connected；From the shadow of household electrical appliance
Ring the circuit of stand-by power consumption marks off and standby affect circuit and standby without affect circuit, described standby distinguish without affecting circuit
Secondary load circuits and detection auxiliary circuit divide out, standby without affecting circuit and detection auxiliary including secondary load
With standby without affecting circuit；By standby for described secondary load without affecting circuit by the first open type switching device and described power supply
Circuit connects；By described detection auxiliary with standby without affecting circuit by the second open type switching device and AC ac input circuit
Or current rectifying and wave filtering circuit connects, it is clock detection circuit that described detection auxiliary affects circuit by standby nothing, described clock detection electricity
Road carries out a phase control to AC alternating current；The main control chip MCU carried with household electrical appliance controls described first open type derailing switch
Part and described second open type switching device, make described standby nothing affect circuit and be connected with power supply or disconnect, at household electrical appliance
When holding state, the standby nothing described in main control chip MCU control affects circuit and disconnects with power supply, when household electrical appliance are in normally
During work, the standby nothing described in main control chip MCU control affects circuit and power on.
The method of a kind of reduction for household electrical appliance stand-by power consumption the most according to claim 1, it is characterised in that: described
Standby without affect circuit be in household electrical appliance, when household electrical appliance are in holding state, do not act on, the electricity not being operated
Road；The described standby circuit that affects is in household electrical appliance, when household electrical appliance are in holding state, and the circuit being operated.
3. have stand-by power consumption cut down function a household electrical appliance circuit, including AC ac input circuit, current rectifying and wave filtering circuit,
Power circuit, main control chip MCU, standby affect circuit and standby without affecting circuit, it is characterised in that: described AC exchanges input
Circuit, current rectifying and wave filtering circuit, power circuit, main control chip MCU are sequentially connected with；Described standby nothing affects circuit and is distributed in secondary
In load circuit and detection auxiliary circuit, standby without affecting circuit and detection auxiliary with standby without impact electricity including secondary load
Road；The standby nothing of described secondary load is affected circuit and is connected with described power circuit by the first open type switching device；Described inspection
Survey auxiliary affects circuit by the second open type switching device and described AC ac input circuit or described rectification filter by standby nothing
Wave circuit connects, and it is clock detection circuit that described detection auxiliary affects circuit by standby nothing, and AC is handed over by described clock detection circuit
Stream electricity carries out a phase control；Described main control chip MCU controls described first open type switching device and described second open type
Switching device, makes described standby nothing affect circuit and is connected with power supply or disconnects, when household electrical appliance are in holding state, and master control core
Standby nothing described in sheet MCU control affects circuit and disconnects with power supply, when household electrical appliance are in and normally work, and main control chip MCU
Standby nothing described in control affects circuit and power on.
A kind of household electrical appliance circuit with stand-by power consumption reduction function the most according to claim 3, it is characterised in that: institute
It is in household electrical appliance that the standby nothing stated affects circuit, and when household electrical appliance are in holding state, effect, is not operated
Circuit；The described standby circuit that affects is in household electrical appliance, when household electrical appliance are in holding state, and the circuit being operated.
A kind of household electrical appliance circuit with stand-by power consumption reduction function the most according to claim 3, it is characterised in that: institute
State the standby power supply circuit without affecting circuit all of subordinate circuit of secondary load and unified contact, main control chip MCU are set
Control described first open type switching device standby without affecting being switched on or switched off of circuit and power supply to control described secondary load.
A kind of household electrical appliance circuit with stand-by power consumption reduction function the most according to claim 3, it is characterised in that: institute
State detection auxiliary to arrange unified contact with the standby detection importation without affecting circuit, arrange institute in described unified junction
Stating the second open type switching device, main control chip MCU controls described second open type switching device to control described detection auxiliary
With standby without affecting being switched on or switched off of circuit and power supply.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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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| Publication Number | Publication Date |
|---|---|
| CN103034145A CN103034145A (en) | 2013-04-10 |
| CN103034145B true CN103034145B (en) | 2016-08-31 |
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| CN201210557104.3A Active 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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Citations (4)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3997328B2 (en) * | 2004-11-04 | 2007-10-24 | 船井電機株式会社 | Electronics |
-
2012
- 2012-12-19 CN CN201210557104.3A patent/CN103034145B/en active Active
Patent Citations (4)
| 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 |
| 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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| CN103034145A (en) | 2013-04-10 |
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