CN102647094A - Low-power consumption dual-path double-power supply energy-saving circuit - Google Patents
Low-power consumption dual-path double-power supply energy-saving circuit Download PDFInfo
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- CN102647094A CN102647094A CN2012101417535A CN201210141753A CN102647094A CN 102647094 A CN102647094 A CN 102647094A CN 2012101417535 A CN2012101417535 A CN 2012101417535A CN 201210141753 A CN201210141753 A CN 201210141753A CN 102647094 A CN102647094 A CN 102647094A
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The invention discloses a low-power consumption dual-path double-power supply energy-saving circuit which is characterized by comprising a capacitance reduction voltage power supply circuit and a controllable feedback circuit; the capacitance reduction voltage power supply circuit is provided with two power supply channels; when in a standby state, the controllable feedback circuit controls the current of one control channel to flow back to a power grid and stabilizes the voltage of an output end. The invention has the beneficial effects that the circuit occupies small space and has low cost; when the circuit works, the two power supply channels supply power simultaneously; when in the standby state, a control chip controls one-way controllable silicon to be communicated so as to enable the current of one power supply channel to flow back to the power grid, simultaneously the control chip controls two triodes to be communicated or stopped, so that the output voltage is switched between 12V and 5.4V; and consequently, the stand-power power consumption is effectively reduced, and the lifestyle of energy saving, environmental protection and low carbon of people is adapted.
Description
Technical field
The present invention relates to a kind of energy-saving circuit, relate in particular to a kind of two-way dual power supply energy-saving circuit, belong to small household appliances power circuit technical field.
Background technology
Along with the raising of social industry degree of changing into, energy demand increases rapidly.Energy-conservation, environmental protection, the life style of low-carbon (LC) is praised highly by common people.The new energy consumption instruction of European Union stipulates that some small household electrical appliances must be low-power consumption standbies, and this is the technology barriers of small household appliances outlet.Do not increasing too many condition of cost, realizing that low-power consumption standby is the pursuit of numerous small household appliances enterprise.Because the restriction of cost, solution is not a lot.More feasible mode is the double circuit power supply: when relay was worked, the two-way power supply was supplied power simultaneously, satisfied the need for electricity of relay and control loop.Do not work and during standby, cut off one tunnel power supply at relay, reduce stand-by power consumption.But this control mode has shortcoming: cut off one road power supply and generally use bidirectional triode thyristor, and the The Trigger of Bidirectional Triode Thyristor electric current is all bigger, the design of circuits for triggering acquires a certain degree of difficulty.Power consumption during standby is low, has but increased the power consumption that triggers the bidirectional triode thyristor circuit during work.Another kind of power save mode is to use the magnetic latching relay of special low-power consumption, but the cost of magnetic latching relay is too high.
Summary of the invention
The present invention seeks to provides the two-way dual power supply that can effectively reduce stand-by power consumption energy-saving circuit to the defective that prior art exists.
The present invention adopts following technical scheme for realizing above-mentioned purpose:
A kind of low-power consumption two-way dual power supply energy-saving circuit, it is characterized in that: it comprises capacitor step-down power supply circuits and controlled feedback circuit; Said capacitor step-down power supply circuits have two power supply passages, wherein control channel current reflux electrical network and output end of pressure-stabilizing voltage of control during said controlled feedback circuit standby;
Said capacitor step-down power supply circuits comprise discharge resistance R1; Two that are made up of decompression capacitor C1, half-wave power supply diode D1, discharge diode D3 and decompression capacitor C2, half-wave power supply diode D2, discharge diode D4 respectively are set up in parallel the power supply passage of between the 220V alternating voltage, supplying power for output end of pressure-stabilizing simultaneously, the output end of pressure-stabilizing of voltage-stabiliser tube D5, filter capacitor C3 composition;
Said controlled feedback circuit comprises current-limiting resistance R4, voltage stabilizing didoe D6, the first triode Q1, the second triode Q1, the 3rd resistance R 3, the 5th resistance R 5,101 control chips, the 6th resistance R 6, one-way SCR Q3 and relay J; Said 101 control chips are connected the output voltage two ends, are used to produce the Opportunity awaiting control for linear signal, control the first triode Q1 conducting and end; The said first triode Q1 base stage is electrically connected with said 101 control chips through the 3rd resistance R 3, and emitter connects AC power N line, and collector electrode is connected to the positive terminal of output voltage via relay J; The said second triode Q2 base stage is connected to being connected in series of said relay J and the said first triode Q1 collector electrode through the 5th resistance R 5, and emitter connects AC power N line, and collector electrode is connected to the positive terminal of output voltage via voltage stabilizing didoe D6, current-limiting resistance R4; The said one-way SCR Q3 control utmost point is connected to said relay J through the 6th resistance R 6, and negative electrode connects AC power N line, and anode is connected between decompression capacitor C2 and the half-wave power supply diode D2;
Also go here and there between the positive terminal of said two power supply circuits and output voltage current-limiting resistance R2 is arranged
Beneficial effect of the present invention: this circuit footprint is little; Cost is low; Two power supply passages are supplied power simultaneously during work, pass through control chip during standby and control the wherein current reflux electrical network of a power supply passage of one-way SCR conducting, and control chip is controlled two triode conductings or ended output voltage is switched between 12V and 5.4V simultaneously; Thereby effectively reduce stand-by power consumption, meet the life style of people's energy-conserving and environment-protective, low-carbon (LC).
Description of drawings
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment
A kind of low-power consumption two-way dual power supply energy-saving circuit as shown in Figure 1, it comprises capacitor step-down power supply circuits and controlled feedback circuit; Said capacitor step-down power supply circuits have two power supply passages, wherein control channel current reflux electrical network and output end of pressure-stabilizing voltage of control during said controlled feedback circuit standby.
Said capacitor step-down power supply circuits comprise discharge resistance R1; Two that are made up of decompression capacitor C1, half-wave power supply diode D1, discharge diode D3 and decompression capacitor C2, half-wave power supply diode D2, discharge diode D4 respectively are set up in parallel the power supply passage of between the 220V alternating voltage, supplying power for output end of pressure-stabilizing simultaneously, the output end of pressure-stabilizing of voltage-stabiliser tube D5, filter capacitor C3 composition.After the power failure, discharge resistance R1 bleeds off decompression capacitor C1, and the electric weight at decompression capacitor C2 two ends prevents that high pressure from hurting sb.'s feelings.Voltage-stabiliser tube D5 is the output end of pressure-stabilizing that 12V voltage-stabiliser tube and filter capacitor C3 form.For control chip 101, relay J provide power supply.
Said controlled feedback circuit comprises current-limiting resistance R4, voltage stabilizing didoe D6, the first triode Q1, the second triode Q1, the 3rd resistance R 3, the 5th resistance R 5,101 control chips, the 6th resistance R 6, one-way SCR Q3 and relay J; Said 101 control chips are connected the output voltage two ends, are used to produce the Opportunity awaiting control for linear signal, control the first triode Q1 conducting and end; The said first triode Q1 base stage is electrically connected with said 101 control chips through the 3rd resistance R 3, and emitter connects AC power N line, and collector electrode is connected to the positive terminal of output voltage via relay J; The said second triode Q2 base stage is connected to being connected in series of said relay J and the said first triode Q1 collector electrode through the 5th resistance R 5, and emitter connects AC power N line, and collector electrode is connected to the positive terminal of output voltage via voltage stabilizing didoe D6, current-limiting resistance R4; The said one-way SCR Q3 control utmost point is connected to said relay J through the 6th resistance R 6, and negative electrode connects AC power N line, and anode is connected between decompression capacitor C2 and the half-wave power supply diode D2.101 control chips are through shutoff or the conducting of the 3rd resistance R 3 controls first triode Q1.The first triode Q1 conducting: the relay J adhesive, the second triode Q2, one-way SCR Q3 turn-off.At this moment, filter capacitor C3 two ends are stable 12V direct voltage.The first triode Q1 turn-offs: relay J dead electricity and turn-offing, and through the microampere order current trigger second triode Q2 and the one-way SCR Q3 conducting of the 5th resistance R 5, the six resistance R 6.One-way SCR Q3 conducting: the supply current of decompression capacitor C2 is by " bypass ", and this electric current returns electrical network again, does not consume energy.The second triode Q2 conducting simultaneously: voltage-stabiliser tube D6 is the 5.1V voltage-stabiliser tube, and 12V voltage-stabiliser tube D5 is ended, and this moment, the C3 voltage was reduced to 5.4V (voltage-stabiliser tube D6 voltage adds the 0.3V pipe pressure of the second triode Q2).This power supply only provides the standby current of control chip 101.Supply voltage drops to 5.4V from 12V, flows through electric current I one timing of half-wave power supply diode D1, and power consumption has dropped to 5.4 * I from 12 * I.So just realized special cheaply low-power consumption standby.The 4th resistance R 4 is the current-limiting resistances in 24 Europe, prevents that big electric current from burning out voltage-stabiliser tube D6.
Also go here and there between the positive terminal of said two power supply circuits and output voltage current-limiting resistance R2 is arranged.
Claims (1)
1. low-power consumption two-way dual power supply energy-saving circuit, it is characterized in that: it comprises capacitor step-down power supply circuits and controlled feedback circuit; Said capacitor step-down power supply circuits have two power supply passages, wherein control channel current reflux electrical network and output end of pressure-stabilizing voltage of control during said controlled feedback circuit standby;
Said capacitor step-down power supply circuits comprise discharge resistance R1; Two that are made up of decompression capacitor C1, half-wave power supply diode D1, discharge diode D3 and decompression capacitor C2, half-wave power supply diode D2, discharge diode D4 respectively are set up in parallel the power supply passage of between the 220V alternating voltage, supplying power for output end of pressure-stabilizing simultaneously, the output end of pressure-stabilizing of voltage-stabiliser tube D5, filter capacitor C3 composition;
Said controlled feedback circuit comprises current-limiting resistance R4, voltage stabilizing didoe D6, the first triode Q1, the second triode Q1, the 3rd resistance R 3, the 5th resistance R 5,101 control chips, the 6th resistance R 6, one-way SCR Q3 and relay J; Said 101 control chips are connected the output voltage two ends, are used to produce the Opportunity awaiting control for linear signal, control the first triode Q1 conducting and end; The said first triode Q1 base stage is electrically connected with said 101 control chips through the 3rd resistance R 3, and emitter connects AC power N line, and collector electrode is connected to the positive terminal of output voltage via relay J; The said second triode Q2 base stage is connected to being connected in series of said relay J and the said first triode Q1 collector electrode through the 5th resistance R 5, and emitter connects AC power N line, and collector electrode is connected to the positive terminal of output voltage via voltage stabilizing didoe D6, current-limiting resistance R4; The said one-way SCR Q3 control utmost point is connected to said relay J through the 6th resistance R 6, and negative electrode connects AC power N line, and anode is connected between decompression capacitor C2 and the half-wave power supply diode D2;
Also go here and there between the positive terminal of said two power supply circuits and output voltage current-limiting resistance R2 is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210141753.5A CN102647094B (en) | 2012-05-08 | 2012-05-08 | Low-power consumption dual-path double-power supply energy-saving circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210141753.5A CN102647094B (en) | 2012-05-08 | 2012-05-08 | Low-power consumption dual-path double-power supply energy-saving circuit |
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| CN102647094A true CN102647094A (en) | 2012-08-22 |
| CN102647094B CN102647094B (en) | 2014-06-25 |
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| CN201210141753.5A Expired - Fee Related CN102647094B (en) | 2012-05-08 | 2012-05-08 | Low-power consumption dual-path double-power supply energy-saving circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060904A (en) * | 2016-04-13 | 2016-10-26 | 卓荣集成电路科技有限公司 | Power supply management system and method for bluetooth chip |
| CN106354239A (en) * | 2016-10-10 | 2017-01-25 | 合肥联宝信息技术有限公司 | Power supply for graphics card |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008155719A1 (en) * | 2007-06-20 | 2008-12-24 | Koninklijke Philips Electronics N.V. | Ac / dc converter which regulates the output voltage and prevents the load from current spikes |
| CN101741269A (en) * | 2009-12-31 | 2010-06-16 | 深圳和而泰智能控制股份有限公司 | Capacitor voltage-dropping power supply circuit and device thereof |
| CN201550034U (en) * | 2009-12-03 | 2010-08-11 | 深圳龙多电子科技有限公司 | Standby low-power-consumption capacitance voltage step-down circuit |
| CN202889213U (en) * | 2012-05-08 | 2013-04-17 | 无锡艾立德智能科技有限公司 | Low-power-consumption double-channel double-power-supply energy-saving circuit |
-
2012
- 2012-05-08 CN CN201210141753.5A patent/CN102647094B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008155719A1 (en) * | 2007-06-20 | 2008-12-24 | Koninklijke Philips Electronics N.V. | Ac / dc converter which regulates the output voltage and prevents the load from current spikes |
| CN201550034U (en) * | 2009-12-03 | 2010-08-11 | 深圳龙多电子科技有限公司 | Standby low-power-consumption capacitance voltage step-down circuit |
| CN101741269A (en) * | 2009-12-31 | 2010-06-16 | 深圳和而泰智能控制股份有限公司 | Capacitor voltage-dropping power supply circuit and device thereof |
| CN202889213U (en) * | 2012-05-08 | 2013-04-17 | 无锡艾立德智能科技有限公司 | Low-power-consumption double-channel double-power-supply energy-saving circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060904A (en) * | 2016-04-13 | 2016-10-26 | 卓荣集成电路科技有限公司 | Power supply management system and method for bluetooth chip |
| CN106354239A (en) * | 2016-10-10 | 2017-01-25 | 合肥联宝信息技术有限公司 | Power supply for graphics card |
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| CN102647094B (en) | 2014-06-25 |
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Effective date of registration: 20170224 Address after: 214135 Jiangsu province Wuxi City Linghu New District Road No. 200 Wu Chinese Sensor Network International Innovation Park A building four B zone Patentee after: WUXI LEDONG MICROELECTRONICS Co.,Ltd. Address before: 214135 Jiangsu New District of Wuxi City Linghu Road No. 200 Chinese Sensor Network International Innovation Park A district four floor Patentee before: Wuxi Aleader Intelligent Technology Co.,Ltd. |
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Granted publication date: 20140625 |