CN202889213U - Low-power-consumption double-channel double-power-supply energy-saving circuit - Google Patents
Low-power-consumption double-channel double-power-supply energy-saving circuit Download PDFInfo
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- CN202889213U CN202889213U CN2012202176086U CN201220217608U CN202889213U CN 202889213 U CN202889213 U CN 202889213U CN 2012202176086 U CN2012202176086 U CN 2012202176086U CN 201220217608 U CN201220217608 U CN 201220217608U CN 202889213 U CN202889213 U CN 202889213U
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- power
- power supply
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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 utility model discloses a low-power-consumption double-channel double-power-supply energy-saving circuit. The low-power-consumption double-channel double-power-supply energy-saving circuit is characterized by comprising a capacitance buck type power supply circuit and a controllable reactive circuit. The capacitance buck type power supply circuit has two power supply channels. The controllable reactive circuit controls a current in one channel to flow back to a power grid and stabilizes a voltage of an output end during a standby state. The circuit provided by the utility model has the advantages of small occupation space and low cost. When the circuit is working, the two power supply channels are simultaneously supplying power. When the circuit is in a standby state, a unidirectional silicon controlled rectifier is controlled by a control chip to be conducted and the current in one power supply channel is made to flow back to the power grid. The control chip further controls two triodes to be conducted or cut off so as to make an output voltage switched between 12V and 5.4V. The standby power consumption is thus effectively reduced. The circuit thus accords with the desire of people enjoying an energy-saving environment-friendly and low-carbon-emission lifestyle.
Description
Technical field
The utility model relates to a kind of energy-saving circuit, relates in particular to a kind of two-way dual power supply energy-saving circuit, belongs 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.In the situation that does not increase too many cost, realize that low-power consumption standby is the pursuit of numerous small appliances.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 powered 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 trigger current of bidirectional triode thyristor is all larger, 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 the magnetic latching relay that uses special low-power consumption, but the cost of magnetic latching relay is too high.
Summary of the invention
The utility model purpose is to provide the two-way dual power supply that can effectively reduce stand-by power consumption energy-saving circuit for the defective that prior art exists.
The utility model adopts following technical scheme for achieving the above object:
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; Described capacitor step-down power supply circuits have two for electric channels, wherein control channel current reflux electrical network and output end of pressure-stabilizing voltage of control during described controlled feedback circuit standby;
Described capacitor step-down power supply circuits comprise discharge resistance R1, is formed for electric diode D2, discharge diode D4 for electric diode D1, discharge diode D3 and decompression capacitor C2, half-wave by decompression capacitor C1, half-wave respectively two electric channels that supply that are set up in parallel between the 220V alternating voltage simultaneously as the output end of pressure-stabilizing power supply, the output end of pressure-stabilizing of voltage-stabiliser tube D5, filter capacitor C3 composition;
Described 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, control chip 101, the 6th resistance R 6, one-way SCR Q3 and relay J; Described control chip 101 is connected to the output voltage two ends, for generation of the Opportunity awaiting control for linear signal, controls the first triode Q1 conducting and cut-off; Described the first triode Q1 base stage is electrically connected with described control chip 101 by 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; Described the second triode Q2 base stage is connected to being connected in series of described relay J and described the first triode Q1 collector electrode by 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 described one-way SCR Q3 control utmost point is connected to described relay J by the 6th resistance R 6, and negative electrode connects AC power N line, and anode is connected on decompression capacitor C2 and half-wave supplies between the electric diode D2;
Also go here and there current limiting resistance R 2 between the positive terminal of described two power supply circuits and output voltage
The beneficial effects of the utility model: this circuit footprint is little, cost is low, two supply electric channel to power simultaneously during work, control wherein current reflux electrical network for electric channel of one-way SCR conducting by control chip during standby, two triode conductings of simultaneously control chip control or cut-off are switched output voltage between 12V and 5.4V, 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 the utility model circuit theory diagrams.
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; Described capacitor step-down power supply circuits have two for electric channels, wherein control channel current reflux electrical network and output end of pressure-stabilizing voltage of control during described controlled feedback circuit standby.
Described capacitor step-down power supply circuits comprise discharge resistance R1, is formed for electric diode D2, discharge diode D4 for electric diode D1, discharge diode D3 and decompression capacitor C2, half-wave by decompression capacitor C1, half-wave respectively two electric channels that supply that are set up in parallel between the 220V alternating voltage simultaneously as the output end of pressure-stabilizing power supply, 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.
Described 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, control chip 101, the 6th resistance R 6, one-way SCR Q3 and relay J; Described control chip 101 is connected to the output voltage two ends, for generation of the Opportunity awaiting control for linear signal, controls the first triode Q1 conducting and cut-off; Described the first triode Q1 base stage is electrically connected with described control chip 101 by 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; Described the second triode Q2 base stage is connected to being connected in series of described relay J and described the first triode Q1 collector electrode by 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 described one-way SCR Q3 control utmost point is connected to described relay J by the 6th resistance R 6, and negative electrode connects AC power N line, and anode is connected on decompression capacitor C2 and half-wave supplies between the electric diode D2.Control chip 101 is by shutoff or the conducting of the 3rd resistance R 3 controls the 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 by microampere order current trigger the 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 again electrical network, does not consume energy.Simultaneously the second triode Q2 conducting: voltage-stabiliser tube D6 is the 5.1V voltage-stabiliser tube, and 12V voltage-stabiliser tube D5 is cut off, and this moment, the C3 both end voltage was reduced to the 0.3V pipe pressure that 5.4V(voltage-stabiliser tube D6 voltage adds 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 half-wave for electric current I one timing of electric diode D1, and power consumption has dropped to 5.4 * I from 12 * I.So just realized cheaply special low-power consumption standby.The 4th resistance R 4 is the current-limiting resistances in 24 Europe, prevents that large electric current from burning out voltage-stabiliser tube D6.
Also go here and there current limiting resistance R 2 between the positive terminal of described two power supply circuits and output voltage.
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; Described capacitor step-down power supply circuits have two for electric channels, wherein control channel current reflux electrical network and output end of pressure-stabilizing voltage of control during described controlled feedback circuit standby;
Described capacitor step-down power supply circuits comprise discharge resistance R1, is formed for electric diode D2, discharge diode D4 for electric diode D1, discharge diode D3 and decompression capacitor C2, half-wave by decompression capacitor C1, half-wave respectively two electric channels that supply that are set up in parallel between the 220V alternating voltage simultaneously as the output end of pressure-stabilizing power supply, the output end of pressure-stabilizing of voltage-stabiliser tube D5, filter capacitor C3 composition;
Described 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, control chip (101), the 6th resistance R 6, one-way SCR Q3 and relay J; Described control chip (101) is connected to the output voltage two ends, for generation of the Opportunity awaiting control for linear signal, controls the first triode Q1 conducting and cut-off; Described the first triode Q1 base stage is electrically connected with described control chip (101) by 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; Described the second triode Q2 base stage is connected to being connected in series of described relay J and described the first triode Q1 collector electrode by 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 described one-way SCR Q3 control utmost point is connected to described relay J by the 6th resistance R 6, and negative electrode connects AC power N line, and anode is connected on decompression capacitor C2 and half-wave supplies between the electric diode D2;
Also go here and there current limiting resistance R 2 between the positive terminal of described two power supply circuits and output voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202176086U CN202889213U (en) | 2012-05-08 | 2012-05-08 | Low-power-consumption double-channel double-power-supply energy-saving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202176086U CN202889213U (en) | 2012-05-08 | 2012-05-08 | Low-power-consumption double-channel double-power-supply energy-saving circuit |
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| Publication Number | Publication Date |
|---|---|
| CN202889213U true CN202889213U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202176086U Withdrawn - After Issue CN202889213U (en) | 2012-05-08 | 2012-05-08 | Low-power-consumption double-channel double-power-supply energy-saving circuit |
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| CN (1) | CN202889213U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102647094A (en) * | 2012-05-08 | 2012-08-22 | 无锡艾立德智能科技有限公司 | Low-power consumption dual-path double-power supply energy-saving circuit |
| CN114827770A (en) * | 2022-04-02 | 2022-07-29 | 哈工(青岛)交通智能装备科技有限公司 | Wireless sensor low-power consumption processing method based on co-processing chip |
-
2012
- 2012-05-08 CN CN2012202176086U patent/CN202889213U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102647094A (en) * | 2012-05-08 | 2012-08-22 | 无锡艾立德智能科技有限公司 | Low-power consumption dual-path double-power supply energy-saving circuit |
| CN114827770A (en) * | 2022-04-02 | 2022-07-29 | 哈工(青岛)交通智能装备科技有限公司 | Wireless sensor low-power consumption processing method based on co-processing chip |
| CN114827770B (en) * | 2022-04-02 | 2022-11-25 | 哈工(青岛)交通智能装备科技有限公司 | Wireless sensor low-power consumption processing method based on co-processing chip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130417 Effective date of abandoning: 20140625 |
|
| RGAV | Abandon patent right to avoid regrant |