CN104578743B - Power-supplying circuit - Google Patents

Power-supplying circuit Download PDF

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Publication number
CN104578743B
CN104578743B CN201310512562.XA CN201310512562A CN104578743B CN 104578743 B CN104578743 B CN 104578743B CN 201310512562 A CN201310512562 A CN 201310512562A CN 104578743 B CN104578743 B CN 104578743B
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CN
China
Prior art keywords
connected
end
power
relay
gate
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CN201310512562.XA
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Chinese (zh)
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CN104578743A (en
Inventor
杨伸其
黄桂团
尹坤任
郭远久
戴亮
梅小红
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美的集团股份有限公司
广东美的生活电器制造有限公司
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Priority to CN201310512562.XA priority Critical patent/CN104578743B/en
Publication of CN104578743A publication Critical patent/CN104578743A/en
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Publication of CN104578743B publication Critical patent/CN104578743B/en

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion
    • Y02B70/16Efficient standby or energy saving modes, e.g. detecting absence of load or auto-off

Abstract

The invention discloses a kind of power-supplying circuit, including:First ac input end and the second ac input end;Switches set, switches set includes trigger switch and gate-controlled switch, and trigger switch is connected on the first ac input end after being connected in parallel with gate-controlled switch;The power transfer module for being used to being converted to the alternating current of input into direct current being connected with switches set and the second ac input end;The control module being connected with the control end of power transfer module and gate-controlled switch, when trigger switch is triggered, power transfer module is powered to control module, control module control gate-controlled switch closes to connect current supply circuit, in device standby, control module control gate-controlled switch disconnects disconnecting current supply circuit.The power-supplying circuit of the present invention enables to power supply to disconnect access failure, standby zero-power-consumption is realized, so as to reach the purpose of energy-conserving and environment-protective in device standby.

Description

Power-supplying circuit

Technical field

The present invention relates to living electric apparatus field, more particularly to a kind of power-supplying circuit.

Background technology

At present, user is during using electric equipment such as soy bean milk making machine, it is easy to occur plugging electricity without at once The situation of startup, or soya-bean milk complete after do not power off in time, consumption electric energy that now will be in vain is therefore, existing Electric equipment such as soy bean milk making machine can not accomplish energy-conserving and environment-protective well.

Also, stand-by power consumption is an important indicator of all electrical equipment energy consumptions, and in the prior art, living electric apparatus on the market For example soy bean milk making machine can not accomplish standby zero-power-consumption, so that the energy can not be saved well.

The content of the invention

The purpose of the present invention is intended at least solve above-mentioned technical problem to a certain extent.

Therefore, a purpose of the invention is to propose a kind of power-supplying circuit for equipment, in device standby or When work completes to enter standby unattended for a period of time so that power supply disconnects access failure, standby zero-power-consumption is realized, so as to reach The purpose of energy-conserving and environment-protective.

To reach above-mentioned purpose, a kind of power-supplying circuit that embodiments of the invention are proposed, including:First exchange input End and the second ac input end;Switches set, the switches set include trigger switch and gate-controlled switch, the trigger switch with it is described Gate-controlled switch is connected on first ac input end after being connected in parallel;Power transfer module, the power transfer module and institute State switches set with second ac input end to be connected, the power transfer module is used to the alternating current of input being converted to direct current Electricity;Control module, the control module is connected with the control end of the power transfer module and the gate-controlled switch, wherein, When the trigger switch is triggered, the power transfer module is powered to the control module, and the control module control is described Gate-controlled switch closure is to connect current supply circuit, and in device standby, the control module control the gate-controlled switch to disconnect with Disconnect the current supply circuit.

Power-supplying circuit according to embodiments of the present invention, the first friendship is connected on by trigger switch and gate-controlled switch in parallel Input is flowed, and after switch triggering is triggered, control module control gate-controlled switch closure so that current supply circuit is connected, at this moment Trigger switch is already off, and in device standby, control module control gate-controlled switch disconnects so that current supply circuit disconnects, Power supply access failure, so that device standby zero-power is realized, so as to reach the purpose of energy-conserving and environment-protective.

Preferably, in one embodiment of the invention, the trigger switch can be button or optoelectronic switch.

Wherein, in one embodiment of the invention, when the trigger switch is the button, the button is pressed When close, disconnected during release.

Preferably, in one embodiment of the invention, the gate-controlled switch can be relay or controllable silicon.

Further, in one embodiment of the invention, when the gate-controlled switch is the first relay, described first Switch in relay is in parallel with the trigger switch, one end of the coil in first relay and the Power convert mould Block is connected, and the other end of the coil in first relay is connected with the control module.

Wherein, in one embodiment of the invention, the control module includes:First diode, the one or two pole The anode of pipe is connected with the other end of the coil in first relay, the negative electrode of first diode with described first after One end of coil in electrical equipment is connected;In first triode, the colelctor electrode of first triode and first relay The other end of coil is connected, the grounded emitter of first triode;Control chip, the power pin of the control chip with The power transfer module is connected, and the first control pin of the control chip is connected with the base stage of first triode;The Two triodes, the base stage of second triode is connected with the second control pin of the control chip, second triode Grounded emitter;One end of coil in second relay, second relay and the colelctor electrode of second triode It is connected, the other end of the coil in second relay is connected with the power transfer module, in second relay One end of switch is connected with second ac input end, and the other end of the switch in second relay is connected with load; Second diode, the anode of second diode is connected with the colelctor electrode of second triode, second diode Negative electrode is connected with the other end of the coil in second relay.

Further, in one embodiment of the invention, when the trigger switch is two-way button, the two-way is pressed First via button in key is in parallel with the gate-controlled switch, one end ground connection of the second road button in the two-way button, described The other end of second road button is connected with the control chip.

In one embodiment of the invention, the power transfer module includes:Transformer, the input of the transformer It is connected with the switches set and second ac input end;Rectifier bridge, the input of the rectifier bridge and the transformer Output end is connected, and the rectifier bridge is used to the alternating current that the transformer is exported is carried out rectification to generate Rectified alternating current;The One wave filter, first wave filter is connected with the output end of the rectifier bridge, and first wave filter is used for the pulsation Direct current is filtered to generate the direct current of the first predeterminated voltage;Voltage conversion unit, the input of the voltage conversion unit End is connected with first wave filter, and the voltage conversion unit by the direct current of first predeterminated voltage for being converted to the The direct current of two predeterminated voltages.

Specifically, in one embodiment of the invention, first predeterminated voltage can be 8~16V, and described second is pre- If voltage can be 3~6V.

In one embodiment of the invention, in addition to display module, the display module is connected with the control module.

The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.

Brief description of the drawings

Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments Substantially and be readily appreciated that, wherein:

Fig. 1 is the block diagram of the power-supplying circuit according to one embodiment of the invention;

Fig. 2 is the circuit diagram of the power-supplying circuit according to one embodiment of the invention;And

Fig. 3 is the circuit diagram of the power-supplying circuit according to another embodiment of the present invention.

Reference:

First ac input end 100, the second ac input end 200, switches set 300, power transfer module 400, control mould Block 500, display module 600 and load 700, trigger switch 301, gate-controlled switch 302, rectifier bridge 401, the and of the first wave filter 402 Voltage conversion unit 403, the first diode D1, the second diode D2, the first triode Q1, the second triode Q2, control chip U1, the first relay K1, the second relay K2, the first electrochemical capacitor EC1, the second electrochemical capacitor EC2, the first electric capacity C1, second Electric capacity C2, voltage stabilizing chip U2, LED 1, transformer T1 and resistance R1.

Embodiment

Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.

Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter Change disclosure of the invention, hereinafter the part and setting of specific examples are described.Certainly, they are only merely illustrative, and Purpose does not lie in the limitation present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy It is the relation between itself not indicating discussed various embodiments and/or setting for purposes of simplicity and clarity again.This Outside, the invention provides various specific techniques and material example, but those of ordinary skill in the art can be appreciated that The applicable property of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can include the first and second features and be formed as the embodiment that directly contacts, other feature shape can also be included Into the embodiment between the first and second features, such first and second feature may not be direct contact.

In the description of the invention, it is necessary to explanation, unless otherwise prescribed and limit, term " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be mechanically connect or electrical connection or the connection of two element internals, can To be to be joined directly together, it can also be indirectly connected to by intermediary, for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term.

The power-supplying circuit proposed according to embodiments of the present invention described with reference to the accompanying drawings.

As shown in figure 1, the power-supplying circuit proposed according to embodiments of the present invention, including the first ac input end 100, Two ac input ends 200, switches set 300, power transfer module 400 and control module 500.

Wherein, switches set 300 includes trigger switch 301 and gate-controlled switch 302, and trigger switch 301 and gate-controlled switch 302 are simultaneously The first ac input end 100 is connected on after connection connection.Power transfer module 400 and the ac input end 200 of switches set 300 and second It is connected, power transfer module 400 is used to the alternating current of input being converted to direct current.Control module 500 and power transfer module 400 are connected with the control end of gate-controlled switch 302, wherein, when trigger switch 301 is triggered, power transfer module 400 is to control Module 500 is powered, and the control gate-controlled switch 302 of control module 500 is closed to connect current supply circuit, and in device standby, is controlled The control gate-controlled switch 302 of module 500 is disconnected to disconnect current supply circuit, so as to disconnect power supply so that device standby power consumption is Zero, save the energy.

In one embodiment of the invention, trigger switch 301 can be button or optoelectronic switch.Preferably, triggering is worked as When switch 301 is button, closes, disconnected during release when button is pressed.Say, when in need be operated, press Button is that trigger switch 301 is triggered, and power supply is powered to whole circuit, and control module 500 is operated, and is controlled controllable Switch 302 is closed, now, unclamps button, power supply continues to power to whole circuit, when device standby, control module 500 control gate-controlled switches 302 disconnect, the current supply circuit of off device so that device standby power consumption is zero, energy-conserving and environment-protective.

In one embodiment of the invention, gate-controlled switch 302 can be relay or controllable silicon.Preferably, when controllable When switching as the first relay K1, as shown in Fig. 2 the switch in the first relay K1 is in parallel with trigger switch 301, the first relay The first predeterminated voltage after one end of coil in device K1 and the power transfer module 400 i.e. conversion of power transfer module 400 is for example 12V power end is connected, and the other end of the coil in the first relay K1 is connected with control module 500.

In one embodiment of the invention, as shown in Fig. 2 control module 500 includes:First diode D1, the one or three Pole pipe Q1, control chip U1, the second triode Q2, the second relay K2 and the second diode D2.

Wherein, the first diode D1 anode is connected with the other end of the coil in the first relay K1, the first diode D1 negative electrode is connected with one end of the coil in the first relay K1.In first triode Q1 colelctor electrode and the first relay K1 Coil the other end be connected, the first triode Q1 grounded emitter.Control chip U1 power pin 1 and Power convert mould Block 400 is that the second predeterminated voltage VCC ends after power transfer module 400 is changed are connected, control chip U1 the first control pin 3 The base stage that resistance is directed or through with the first triode Q1 is connected.Second triode Q2 base stage direct or through resistance with Control chip U1 the second control pin 6 is connected, the second triode Q2 grounded emitter.The one of second relay K2 coil End is connected with the second triode Q2 colelctor electrode, and the other end and the power transfer module 400 of the coil in the second relay K2 are The power end of the first predeterminated voltage such as 12V after the conversion of power transfer module 400 is connected.Switch in second relay K2 One end is connected with the second such as live wire L of ac input end 200, the other end and the load 700 of the switch in the second relay K2 As heating wire is connected.Second diode D2 anode is connected with the second triode Q2 colelctor electrode, the second diode D2 negative electrode It is connected with the other end of K2 coil in the second relay.

In an embodiment of the present invention, when gate-controlled switch is the first relay K1, and trigger switch 301 is button, button When being pressed, power transfer module 400 obtains alternating current by the first ac input end 100 and the second ac input end 200, and Alternating current is converted into direct current to be powered to control module 500, wherein control chip U1 starts working, exports high level signal To the first triode Q1, the first triode Q1 conducting, so as to control the switch in the first relay K1 to close, power supply electricity is connected Road.Now, button is unclamped, due to the switch closure in the first relay K1, circuit does as usual work, and circuit can normally start Perform corresponding program.Such as control chip U1 exports high level to the second triode Q2, the second triode Q2 conducting, so as to control The switch in the second relay K2 is made to close to control load 700 to be operated.When work is completed or unattended for a long time When i.e. equipment needs standby, control chip U1 is by exporting low level signal to the first triode Q1 to control the first relay K1 In switch off, the alternating current of input can not access whole circuit, power supply access failure, and now circuit does not produce any power and disappeared Consumption, realizes the stand-by power consumption of equipment zero.

It should be noted that the said equipment can also for electronic kettle, juice extractor, agitator, rice cooker, pressure cooker, magnetic stove, The household electrical appliance such as lampblack absorber, kitchen range, but it is not limited to this.

In another embodiment of the present invention, as shown in figure 3, when trigger switch 301 be two-way button when, two-way button In first via button a it is in parallel with gate-controlled switch 302, one end of the second road button b in two-way button is directly or and resistance Series connection ground connection, the second road button b other end is directed or through to be connected with control chip U1.Say, when trigger switch 301 is During two-way button, trigger switch 301 is integrated in existing function button, so, and trigger switch 301 is both as activation machine With can also be used as normal function button, it is not necessary to which increase extra switch realizes the function of zero-power.

No matter that is, trigger switch 301 is single channel button or two-way button, or similar single channel or two-way are pressed The structure of key, as long as in parallel with gate-controlled switch 302 cut off the electricity supply when can realize device standby, realizes device standby zero power Consumption.

In one embodiment of the invention, as shown in Figure 2 or Figure 3, power transfer module 400 includes:It is transformer T1, whole Flow bridge 401, the first wave filter 402 and voltage conversion unit 403.

Wherein, transformer T1 input is connected with such as live wire L of ac input end 200 of switches set 300 and second.Rectification The input 1,3 of bridge 401 is connected with transformer T1 output end, and rectifier bridge 401 is used to enter the alternating current that transformer T1 is exported Row rectification is to generate Rectified alternating current.First wave filter 402 is connected with the output end 2,4 of rectifier bridge 401, the first wave filter 402 For being filtered Rectified alternating current to generate the first predeterminated voltage such as 12V direct current, wherein, the first wave filter 402 Composed in parallel by the first electrochemical capacitor EC1 and the first electric capacity C1.The input Vin and the first wave filter of voltage conversion unit 403 402 are connected, and voltage conversion unit 403 is used for the direct current example that the direct current of the first predeterminated voltage is converted to the second predeterminated voltage Such as 3V power supply VCC, wherein, voltage conversion unit 403 is by voltage stabilizing chip U2 and is connected in parallel on voltage stabilizing chip U2 output end The second electrochemical capacitor EC2, the second electric capacity C2 composition between Vout and ground GND.

That is, when trigger switch 301 is that button, gate-controlled switch are relay, when button is pressed, the exchange of input Electricity accesses transformer T1 by trigger switch 301, and the alternating current of transformer T1 outputs carries out rectification to generate by rectifier bridge 401 Rectified alternating current, the first wave filter 402 is filtered to generate the first predeterminated voltage such as 12V direct current to Rectified alternating current Electricity, voltage conversion unit 403 is converted to the direct current of the first predeterminated voltage in the second predeterminated voltage such as 3V direct current, its In, the direct current of the first predeterminated voltage is powered for relay, and the direct current of the second predeterminated voltage is powered to control chip U1. Say, after power transfer module 400 is connected, the alternating current of input is depressured and voltage stabilizing, supply other units stabilizations Voltage.

Wherein, in one particular embodiment of the present invention, the first predeterminated voltage can be 8~16V, the second predeterminated voltage Can be 3~6V.

In one embodiment of the invention, as shown in Figure 2 or Figure 3, the power-supplying circuit also includes display module 600.Wherein, display module 600 is connected with control module 500.More specifically, display module 600 includes:LED 1 With resistance R1.Wherein, the resistance R1 other end is connected with control chip U1 the 3rd control pin 7, resistance R1 one end and hair Optical diode LED1 one end is connected, the other end ground connection of LED 1.For example when trigger switch 301 is button, Display module 600 is used to receive push button signalling and be sent to control module 500 to be handled, while display module 600 receives control The drive signal driving interface display of module 500.

Power-supplying circuit according to embodiments of the present invention, the first friendship is connected on by trigger switch and gate-controlled switch in parallel Input is flowed, and after switch triggering is triggered, control module control gate-controlled switch closure so that current supply circuit is connected, at this moment Trigger switch is already off, and in device standby, control module control gate-controlled switch disconnects so that current supply circuit disconnects, Power supply access failure, so that device standby zero-power is realized, so as to reach the purpose of energy-conserving and environment-protective.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any One or more embodiments or example in combine in an appropriate manner.

Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is by appended claims and its equivalent limits.

Claims (7)

1. a kind of power-supplying circuit, it is characterised in that including:
First ac input end and the second ac input end;
Switches set, the switches set includes trigger switch and gate-controlled switch, and the trigger switch is in parallel with the gate-controlled switch even First ac input end is connected on after connecing;
Power transfer module, the power transfer module is connected with the switches set and second ac input end, the electricity Source modular converter is used to the alternating current of input being converted to direct current;
Control module, the control module is connected with the control end of the power transfer module and the gate-controlled switch, wherein, When the trigger switch is triggered, the power transfer module is powered to the control module, and the control module control is described Gate-controlled switch closure is to connect current supply circuit, and in device standby, the control module control the gate-controlled switch to disconnect with The current supply circuit is disconnected, wherein, the gate-controlled switch is relay or controllable silicon, when the gate-controlled switch is the first relay When, the switch in first relay is in parallel with the trigger switch, one end of the coil in first relay and institute State power transfer module to be connected, the other end of the coil in first relay is connected with the control module, also, described Control module includes:
First diode, the anode of first diode is connected with the other end of the coil in first relay, described The negative electrode of first diode is connected with one end of the coil in first relay;
First triode, the colelctor electrode of first triode is connected with the other end of the coil in first relay, institute State the grounded emitter of the first triode;
Control chip, the power pin of the control chip is connected with the power transfer module, and the first of the control chip Control pin is connected with the base stage of first triode;
Second triode, the base stage of second triode is connected with the second control pin of the control chip, and described second The grounded emitter of triode;
One end of coil in second relay, second relay is connected with the colelctor electrode of second triode, described The other end of coil in second relay is connected with the power transfer module, one end of the switch in second relay It is connected with second ac input end, the other end of the switch in second relay is connected with load;
Second diode, the anode of second diode is connected with the colelctor electrode of second triode, the two or two pole The negative electrode of pipe is connected with the other end of the coil in second relay.
2. power-supplying circuit as claimed in claim 1, it is characterised in that the trigger switch is button or optoelectronic switch.
3. power-supplying circuit as claimed in claim 2, it is characterised in that when the trigger switch is the button, institute State when button is pressed and close, disconnected during release.
4. power-supplying circuit as claimed in claim 1, it is characterised in that when the trigger switch is two-way button, institute The first via button stated in two-way button is in parallel with the gate-controlled switch, and one end of the second road button in the two-way button is straight Ground connection, the other end of second road button is connected with the control chip.
5. power-supplying circuit as claimed in claim 1, it is characterised in that the power transfer module includes:
Transformer, the input of the transformer is connected with the switches set and second ac input end;
Rectifier bridge, the input of the rectifier bridge is connected with the output end of the transformer, and the rectifier bridge is used to become to described The alternating current of depressor output carries out rectification to generate Rectified alternating current;
First wave filter, first wave filter is connected with the output end of the rectifier bridge, and first wave filter is used for institute Rectified alternating current is stated to be filtered to generate the direct current of the first predeterminated voltage;
Voltage conversion unit, the input of the voltage conversion unit is connected with first wave filter, the voltage conversion list Member is used for the direct current that the direct current of first predeterminated voltage is converted to the second predeterminated voltage.
6. power-supplying circuit as claimed in claim 5, it is characterised in that first predeterminated voltage is 8~16V, described Second predeterminated voltage is 3~6V.
7. power-supplying circuit as claimed in claim 1, it is characterised in that also including display module, the display module with The control module is connected.
CN201310512562.XA 2013-10-25 2013-10-25 Power-supplying circuit CN104578743B (en)

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CN104578743B true CN104578743B (en) 2017-07-25

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CN105929741B (en) * 2016-05-31 2018-12-25 武汉烽火众智数字技术有限责任公司 A kind of zero standby power consumption radio alarming press key equipment
CN107358932B (en) * 2017-09-14 2019-10-29 京东方科技集团股份有限公司 A kind of power control circuit and method, display device

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CN203562946U (en) * 2013-10-25 2014-04-23 美的集团股份有限公司 Power supply control circuit

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EP1783887A1 (en) * 2004-07-05 2007-05-09 Xianpu Zhou A control device for a power supply with zero power consumption in standby mode
CN1588470A (en) * 2004-07-29 2005-03-02 上海广电(集团)有限公司中央研究院 Method for realizing zero power consumption standby of household electric appliance
CN101426114A (en) * 2008-12-05 2009-05-06 深圳创维-Rgb电子有限公司 Zero power consumption standby television set and implementing method thereof
CN203014665U (en) * 2012-11-30 2013-06-19 厦门华联电子有限公司 A control circuit achieving zero stand-by power consumption
CN203562946U (en) * 2013-10-25 2014-04-23 美的集团股份有限公司 Power supply control circuit

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