CN2888508Y - Zero standby power consumption control circuit for household electric appliance - Google Patents
Zero standby power consumption control circuit for household electric appliance Download PDFInfo
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- CN2888508Y CN2888508Y CN 200520087069 CN200520087069U CN2888508Y CN 2888508 Y CN2888508 Y CN 2888508Y CN 200520087069 CN200520087069 CN 200520087069 CN 200520087069 U CN200520087069 U CN 200520087069U CN 2888508 Y CN2888508 Y CN 2888508Y
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Abstract
The utility model discloses a household appliance zero stand-by power consumption control circuit, comprising a power supply, a transformer, and a low voltage control circuit and an added parallel branch of power switch and a holding switch between the said power supply and a primary coil of the transformer. When the power switch is pressed, the internal of household appliance receives electricity, and the control keeps the switch close, here even if the power switch is cut, later grade circuit can still continue to receive electricity, and maintain the normal operation of the household appliance. The said power switch is a point touch switch and simultaneously can be taken as shutdown switch, when standby is needed, press the power switch again, internal circuit control keeps the switch disconnected which makes the external power supply and the internal circuit thoroughly disconnected, consequently the standby power consumption is reduced to zero. Therefore the utility model achieves the purpose of security and power saving, and can be widely used in various household appliances with electronic control plate.
Description
Technical field
The utility model relates to a kind of improvement of household electrical appliance circuit of charged control plate, specifically, relates to a kind of control circuit of realizing household electrical appliance standby zero-power.
Background technology
Development along with society, the quantity of household electrical appliance is huge day by day, existing household electrical appliances are after inserting charged socket to attaching plug, will be charged on the automatically controlled plate, generally all can there be transformer that high voltage is become low-voltage, low-voltage AC be become low-voltage DC supply subsequent control circuit and single-chip microcomputer use through rectification and filtering circuit.Whether power switch is the part of control circuit and Single Chip Microcomputer (SCM) system, when having only low-voltage direct control circuit and Single Chip Microcomputer (SCM) system charged always and in running order, could press by the perception power switch, and this has the problem of stand-by power consumption with regard to having caused household electrical appliance.Such as the colour television set of selling on the market, just picture drop-out behind remote-control closedown, remote control receiving unit and power unit are still in work, long-term energising had both influenced serviceable life, wasted electric energy again, also can be struck by lightning or power circuit in superpotential infringement.For the purpose of avoiding long-term energising of electrical equipment and safety, must pull out attaching plug, so often pull out attaching plug and bring inconvenience to people's life.At present, along with growing with each passing day of household electrical appliances quantity, the awaiting electric energy that existing household electrical appliances consume when not working is very surprising, has caused the significant wastage of the energy, also exists potential potential safety hazard simultaneously, can not really reach the purpose of household electrical appliance energy-saving safe.
Summary of the invention
There is power attenuation when overcoming in the prior art household electrical appliance standby in the utility model, cause energy dissipation and have the problem of potential safety hazard, a kind of novel power control circuit is provided, pass through simple circuit configuration, make household electrical appliance when standby, thoroughly cut off power supply, thereby make stand-by power consumption be reduced to zero, effectively avoided the generation of peril.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of family electrical zero stand-by power consumption control circuit comprises power supply, transformer and low-voltage control circuit, and described power supply connects described transformer through a power switch, is parallel with the power supply maintained switch at the two ends of described power switch.
As further qualification to technique scheme, described power switch can adopt a point contact type switch to realize, the common port of described point-touch switch links to each other with an end of power supply maintained switch, the other end of power supply maintained switch connects the normally opened contact of point-touch switch, and the normally closed contact of point-touch switch links to each other with described low-voltage control circuit.When the household electrical appliances operate as normal, the common port of described power switch links to each other with a direct current power supply.In addition, in low-voltage control circuit, have additional shutdown control circuit, send shutdown command according to the central processing unit of action in low-voltage control circuit of power switch.
As to further the limiting again of technique scheme, described power supply maintained switch is the normally opened contact of relay, low-voltage control circuit pilot relay coil electric and dead electricity.
As to further the limiting again of technique scheme, described power switch also can adopt a no lock-switch or self-lock switch to realize, and is connected on the line of power supply and transformer after the maintained switch of powering is in parallel.After central processing unit receives the remote-control closedown instruction, the pilot relay coil losing electricity, and then control power supply maintained switch disconnects.When adopting self-lock switch as power switch, central processing unit disconnects by driving the described self-lock switch of circuit controls after receiving the remote-control closedown signal.
As the further qualification to technique scheme, the parallel branch of described power switch and power supply maintained switch is connected on wherein one road line of power supply and transformer, specifically, is to be connected on the line of live wire and transformer.
Compared with prior art, advantage of the present utility model and good effect are: the utility model is by setting up the parallel branch of power switch and maintained switch between the line of AC power cord and transformer, when power switch is pressed, household electrical appliances internal electrical rood, control maintained switch closure, at this moment, even power switch disconnects, late-class circuit also can continue electricly, keeps the household electrical appliances operate as normal.Described power switch is a point contact type switch, the double as shut down switch, when the needs standby, press described power switch once more, internal circuit control maintained switch disconnects, and external power source and internal circuit are thoroughly separated, thereby makes stand-by power consumption be reduced to zero, really reached the purpose of household electrical appliance safety electricity-savings, can be widely used in the household electrical appliance of any charged control plate.
Description of drawings
Fig. 1 is the concrete circuit connection diagram that the utility model is realized household electrical appliance standby zero-power circuit embodiments one;
Fig. 2 is the concrete circuit connection diagram of embodiment two;
Fig. 3 is the concrete circuit connection diagram of embodiment three;
Fig. 4 is the concrete circuit connection diagram of embodiment four.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Embodiment one.Among Fig. 1, after the attaching plug of household electrical appliance inserts power supply, before power switch SW1 does not press, because maintained switch K1 and power switch SW1 in parallel in the automatically controlled plate all do not have closure, power firestreak L and zero line N do not constitute the loop, so, there is not power supply on the automatically controlled plate, stand-by power consumption is zero.When pressing power switch SW1, the normally opened contact closure of power switch SW1, promptly 1 end is communicated with 3 ends, the live wire L of AC power constitutes the loop by the primary coil of power switch SW1, transformer T1 and the zero line N of power supply, after transformer T1 step-down, obtain lower alternating voltage, the output galvanic current is pressed after follow-up rectification and mu balanced circuit processing again, for the low-voltage control circuit in the automatically controlled plate provides operating voltage.Include controller chip in described low-voltage control circuit, as CPU or single-chip microcomputer etc., that the coil of relay J 1 is got is electric for output one control signal after it gets electric work, controls its normally opened contact K1 closure.At this moment, even power switch SW1 unclamps, the primary coil of normally opened contact K1, transformer T1 that the live wire L of AC power still can be by relay J 1 constitutes the loop with the zero line N of power supply, continues to power to late-class circuit, keeps the entire circuit operate as normal.
The employed power switch SW1 of the utility model is a point contact type switch, when power switch SW1 is pressed, and its normally opened contact (1,3 end) closure, normally closed contact (2,3 end) disconnects, and is communicated with electric power loop; After automatically controlled plate operate as normal, unclamp power switch SW1, at this moment, power switch SW1 can return to initial position immediately, be that normally opened contact (1,3 end) disconnects, normally closed contact (2,3 end) closure ,+5V direct supply is through its normally closed contact (2,3 end) and resistance R 1 level low-voltage control circuit output high level signal backward.
When shutdown, press power switch SW1 once more, its normally closed contact (2,3 end) is disconnected, unclamp power switch SW1 then, at this moment, at low level pulse signal of pin end output.Back level low-voltage control circuit detects this low level pulse signal, is judged as off signal, pilot relay J1 coil losing electricity, and then disconnect its normally opened contact K1.Because this moment, power switch SW1 unclamped, its normally opened contact (1,3 end) disconnects, so the live wire L of AC power, transformer T1 and zero line N do not constitute the loop, and then make the late-class circuit dead electricity, quits work.
Embodiment two.Among Fig. 2, power switch SW2 adopts no lock-switch realization, and is connected on one road line of attaching plug and electric power loop 15 after the normally opened contact K2 of relay 12 is in parallel.When power switch SW2 presses, described electric power loop 15 will be converted to direct current and provide working power for controller 14 by the 220V electric main that attaching plug inserts.Described controller 14 gets electric by driving loop 13 pilot relay coil J2, and then makes its normally opened contact K2 closure, keeps the connecting path of attaching plug and electric power loop 15.At this moment, unclamp power switch SW2, power switch SW2 disconnects, because the normally opened contact J2 closure of relay 12, so entire circuit still works on.When the needs standby, send standby command by telepilot, after controller 14 receives this signal by remote signal receiving loop 16,, and then its normally opened contact K2 is disconnected by driving loop 13 pilot relay coil J2 dead electricity.At this moment,, thoroughly cut off the connecting path of attaching plug and electric power loop 15, and then made the late-class circuit dead electricity, quit work because power switch SW2 and normally opened contact K2 all disconnect.
Embodiment three.Among Fig. 3, power switch SW3 adopts self-lock switch to realize, and is connected on one road line of attaching plug and electric power loop 15 after the normally opened contact K2 of relay 12 is in parallel.After power switch SW3 pressed, power switch SW3 self-locking was kept closed.Described electric power loop 15 will be converted to direct current and provide working power for controller 14 by the 220V electric main that attaching plug inserts.Described controller 14 gets electric by driving loop 13 pilot relay coil J2, and then makes its normally opened contact K2 closure, keeps the connecting path of attaching plug and electric power loop 15.When the needs standby, send standby command by telepilot, after controller 14 receives this standby signal by remote signal receiving loop 16,, and then its normally opened contact K2 is disconnected on the one hand by driving loop 13 pilot relay coil J2 dead electricity; Disconnect by driving loop 17 control power switch SW3 on the other hand.And then cut off the connecting path of attaching plug and electric power loop 15, and make the late-class circuit dead electricity, quit work.
Embodiment four.Among Fig. 4, power switch SW4 adopts no lock-switch to realize that relay R Y comprises two normally opened contact K3-1, K3-2.Wherein, normally opened contact K3-1 be connected on the road line of AC power AC and transformer T1 after power switch SW4 is in parallel.When the needs circuit working, press power switch SW4, be communicated with the connecting path of AC power AC and transformer T1 primary coil.After the High Level AC Voltage step-down of described transformer T1 to AC power AC input, after rectification circuit D1 rectification, generate direct current and offer follow-up low-voltage control circuit use.Wherein, the cathode output end of rectification circuit D1 connects load 1 through the first constant voltage generating circuit CV1, and connects the power supply side of controller 2-2 through the second constant voltage generating circuit CV2, for it provides working power, and then control load 1 work.In addition, the output terminal of the second constant voltage generating circuit CV2 also links to each other with the input end of controller 2-2 through the normally opened contact K3-2 of relay R Y.After controller 2-2 got electric work, output low level signal controlling triode Q2 ended, and direct current affacts the base stage of triode Q1 through resistance R 1, R2, controls its conducting, and then it is electric that the coil C of relay R Y is got, normally opened contact K3-1, K3-2 adhesive.At this moment, even power switch SW4 disconnects, AC power AC still can constitute the loop by normally opened contact K3-1 and transformer T1, for subsequent conditioning circuit provides the power supply power supply, keeps the entire circuit operate as normal.
When the current potential of the second constant voltage generating circuit CV2 output terminal surpassed setting voltage, controller 2-2 exported high level signal, control triode Q2 conducting, and then drag down the base voltage of triode Q1, it is ended, thus, the coil C dead electricity of relay R Y, normally opened contact K3-1, K3-2 disconnect.At this moment, because power switch SW4 disconnects, so the connecting path of AC power AC and transformer T1 is cut off, the outage of whole loop quits work, and is in holding state.
Because external ac power source is thoroughly separated with automatically controlled intralamellar part circuit during shutdown, institute has really realized the standby zero-power purpose of household electrical appliance, thereby has effectively saved electric energy so that stand-by power consumption is reduced to zero, avoided the generation of peril.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection domain of the present utility model.
Claims (10)
1. a tame electrical zero stand-by power consumption control circuit comprises power supply, transformer and low-voltage control circuit, and described power supply connects described transformer through power switch, it is characterized in that: be parallel with the power supply maintained switch at the two ends of described power switch.
2. family according to claim 1 electrical zero stand-by power consumption control circuit, it is characterized in that: described power switch adopts a point contact type switch to realize, the common port of described point-touch switch links to each other with an end of power supply maintained switch, the other end of power supply maintained switch connects the normally opened contact of point-touch switch, and the normally closed contact of point-touch switch links to each other with described low-voltage control circuit.
3. family according to claim 2 electrical zero stand-by power consumption control circuit is characterized in that: when the household electrical appliances operate as normal, the common port of described power switch links to each other with a direct current power supply.
4. family according to claim 1 electrical zero stand-by power consumption control circuit, it is characterized in that: described power switch is a self-lock switch, by driving the central controller in the loop connection low-voltage control circuit.
5. according to claim 1 or 2 or 4 described family electrical zero stand-by power consumption control circuits, it is characterized in that: the parallel branch of described power switch and power supply maintained switch is connected on wherein one road line of power supply and transformer.
6. family according to claim 5 electrical zero stand-by power consumption control circuit, it is characterized in that: the parallel branch that the live wire end of described power supply is formed via power switch and power supply maintained switch links to each other with the primary coil of transformer, and then the zero line side of connection power supply, constitute current supply circuit.
7. according to claim 1 or 2 or 6 described family electrical zero stand-by power consumption control circuits, it is characterized in that: described power supply maintained switch is the normally opened contact of relay, low-voltage control circuit pilot relay coil electric and dead electricity.
8. family according to claim 1 electrical zero stand-by power consumption control circuit is characterized in that: include central processing unit in described low-voltage control circuit, described central processing unit is according to the remote-control closedown signal control relay coil losing electricity that receives.
9. family according to claim 3 electrical zero stand-by power consumption control circuit, it is characterized in that: in described low-voltage control circuit, include shutdown control circuit, described shutdown control circuit sends shutdown command according to the central processing unit of action in low-voltage control circuit of power switch, and then the pilot relay coil losing electricity.
10. family according to claim 4 electrical zero stand-by power consumption control circuit is characterized in that: include central processing unit in described low-voltage control circuit, described central processing unit is according to the remote-control closedown signal control relay coil losing electricity that receives; And by described driving circuit controls self-lock switch disconnection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087069 CN2888508Y (en) | 2005-09-10 | 2005-09-10 | Zero standby power consumption control circuit for household electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087069 CN2888508Y (en) | 2005-09-10 | 2005-09-10 | Zero standby power consumption control circuit for household electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2888508Y true CN2888508Y (en) | 2007-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200520087069 Expired - Fee Related CN2888508Y (en) | 2005-09-10 | 2005-09-10 | Zero standby power consumption control circuit for household electric appliance |
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| CN (1) | CN2888508Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009149655A1 (en) * | 2008-06-11 | 2009-12-17 | Zheng Linquan | Power switch device of zero power consumption during standby condition |
| CN101976107A (en) * | 2010-11-19 | 2011-02-16 | 东莞市金河田实业有限公司 | Power supply of zero-standby power consumption computer |
| CN102664611A (en) * | 2012-03-21 | 2012-09-12 | 山东潍微科技股份有限公司 | Circuit apparatus capable of controlling starting and stopping of one-chip microcomputer by inductive switch |
| CN103676673A (en) * | 2012-08-31 | 2014-03-26 | 海尔集团公司 | Cleaning device with zero standby power consumption as well as control circuit and control method thereof |
| CN103728886A (en) * | 2012-10-10 | 2014-04-16 | 北京同步科技有限公司 | Intelligent power management system and management method of intelligent power management system |
| CN105814251A (en) * | 2013-12-18 | 2016-07-27 | Bsh家用电器有限公司 | Domestic appliance with galvanically isolated circuit parts |
| CN108073265A (en) * | 2017-12-11 | 2018-05-25 | 大连锐进科技发展有限公司 | A kind of energy saving calculation electromechanical source |
| CN109059196A (en) * | 2018-08-07 | 2018-12-21 | 六安市同心畅能电子科技有限公司 | Wall-hanging air conditioner Zero-power-consumption standby intelligent power line |
-
2005
- 2005-09-10 CN CN 200520087069 patent/CN2888508Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009149655A1 (en) * | 2008-06-11 | 2009-12-17 | Zheng Linquan | Power switch device of zero power consumption during standby condition |
| CN102483615A (en) * | 2008-06-11 | 2012-05-30 | 郑林全 | Power switch device of zero power consumption during standby condition |
| CN102483615B (en) * | 2008-06-11 | 2013-11-06 | 郑林全 | Power switch device of zero power consumption during standby condition |
| CN101976107A (en) * | 2010-11-19 | 2011-02-16 | 东莞市金河田实业有限公司 | Power supply of zero-standby power consumption computer |
| CN101976107B (en) * | 2010-11-19 | 2012-05-23 | 东莞市金河田实业有限公司 | Power supply of zero-standby power consumption computer |
| CN102664611A (en) * | 2012-03-21 | 2012-09-12 | 山东潍微科技股份有限公司 | Circuit apparatus capable of controlling starting and stopping of one-chip microcomputer by inductive switch |
| CN103676673A (en) * | 2012-08-31 | 2014-03-26 | 海尔集团公司 | Cleaning device with zero standby power consumption as well as control circuit and control method thereof |
| CN103728886A (en) * | 2012-10-10 | 2014-04-16 | 北京同步科技有限公司 | Intelligent power management system and management method of intelligent power management system |
| CN103728886B (en) * | 2012-10-10 | 2016-10-05 | 北京同步科技有限公司 | Intelligent power management system and management method thereof |
| CN105814251A (en) * | 2013-12-18 | 2016-07-27 | Bsh家用电器有限公司 | Domestic appliance with galvanically isolated circuit parts |
| CN105814251B (en) * | 2013-12-18 | 2018-01-02 | Bsh家用电器有限公司 | Home appliances with the circuit part being galvanically isolated |
| CN108073265A (en) * | 2017-12-11 | 2018-05-25 | 大连锐进科技发展有限公司 | A kind of energy saving calculation electromechanical source |
| CN109059196A (en) * | 2018-08-07 | 2018-12-21 | 六安市同心畅能电子科技有限公司 | Wall-hanging air conditioner Zero-power-consumption standby intelligent power line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Foshan Shunde Haier Electric Co., Ltd. Assignor: haier group corporation|Qingdao Haier Washing Machine Co., Ltd. Contract fulfillment period: 2007.9.25 to 2015.9.9 Contract record no.: 2009370000208 Denomination of utility model: Zero standby power consumption control circuit for household electric appliance Granted publication date: 20070411 License type: Exclusive license Record date: 20090810 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.9.25 TO 2015.9.9; CHANGE OF CONTRACT Name of requester: FOSHAN CITY SHUNDE HAIRE ELECTRICAL APPLIANCES CO. Effective date: 20090810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070411 Termination date: 20140910 |
|
| EXPY | Termination of patent right or utility model |