CN201616775U - Micropower standby power supply circuit - Google Patents
Micropower standby power supply circuit Download PDFInfo
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- CN201616775U CN201616775U CN2010201385371U CN201020138537U CN201616775U CN 201616775 U CN201616775 U CN 201616775U CN 2010201385371 U CN2010201385371 U CN 2010201385371U CN 201020138537 U CN201020138537 U CN 201020138537U CN 201616775 U CN201616775 U CN 201616775U
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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
A micropower standby power supply circuit is characterized by the inclusion of a rectification circuit, a relaxation oscillation control circuit and a filter storage circuit. The micropower standby power supply circuit can meet the requirement of a micropower receiving circuit and a single chip microcomputer for steady operation; and with strong expansibility and adaptability, the micropower standby power supply circuit can be applied to uniline electron switch circuits and such various micropower equipment as inductive switches, remote control switches and household appliances. In a dual-routing circuit, under the condition that the parameters of a device are not changed, 200v/600 Mu A current is input to an AC input terminal, and more than 10 mA of DC output current to ground can be obtained, thereby achieving good adaptability and universality. With simple structure, low manufacturing cost, and low price and cost, the utility model can be made into a module, use conventional devices, and be popularized in various electronic products very easily.
Description
One. technical field
The utility model belongs to electronic technology field, relates to a kind of low power consumption standby power circuit, particularly relates to power circuit, the electronic switching circuit of one wire system (being single live wire L or single zero line N input, control line output).
Two. background technology
Existing single line electronic switch standby power is based on resistance-capacitance depressurization power supply, high frequency switch power, transformer frequency response, exist following problem during standby: resistance-capacitance depressurization single line standby power, adopt common voltage-stabiliser tube voltage stabilizing, when electric capacity when 0.2 microfarad is above, the loop current of turn-offing is above 15 milliamperes, this reactive current transfers active current to by light fixture the time, can cause the power factor (PF) of electric power system to reduce easily at tens milliamperes.During control scalding lamp, the following light fixture filament of 25w often has rubescent phenomenon, the control electric daylight lamp, and the quiet sudden strain of a muscle that electricity-saving lamp occurs in various degree is secretly bright; Aspect the high frequency electronic switch standby power, some high frequency electronic switch power supply AC-DC conversion efficiencies are low, exchanging end input 220v/60uA electric current, when average anode current was got 500 microamperes, can not guarantee that the dark bright phenomenon of quiet sudden strain of a muscle does not appear in the electricity-saving lamp of small-power 5w this moment; Current single line electronic switch standby power circuit complexity, device cost is higher, and the normal conventional device is difficult to make, penetration and promotion on using well; Current single line electronic switch exceeds 60 microamperes at the alternating current of ac input end, and with the fluorescent lamp of electric ballast, it is secretly bright that quiet sudden strain of a muscle will appear in the 5w electricity-saving lamp, is lower than 30 microamperes and electricity shortage will occur, the controller cisco unity malfunction.
Therefore, people wish to have on the market more satisfactory low power consumption standby power circuit to sell, but up to this point, do not have this more satisfactory low power consumption standby power circuit selling on the market yet.
Three. summary of the invention
The purpose of this utility model is to manufacture and design a kind of low power consumption standby power circuit, to overcome the shortcoming of current standby power.
The purpose of this utility model reaches like this: a kind of low power consumption standby power circuit is characterized in that: relaxation oscillation control circuit 3, the input that has that the rectification circuit 1, the input that link to each other with alternating current input N or L link to each other with rectification circuit 1 output output links to each other with filtering energy storage circuit 4 inputs and current-limiting circuit 2, input that output links to each other with tension and relaxation control circuit 3 inputs link to each other with current-limiting circuit 2 outputs links to each other with relaxation oscillation control circuit 3 outputs and filtering energy storage circuit 4 that output links to each other with control circuit part input.
When the one wire system electronic circuit, load RL is connected between common ground end and alternating current input N or the L.
When the double wire system electronic circuit, common ground end direct incoming transport electrical input N or L.
Described rectification circuit 1 is full-wave rectification or halfwave rectifier.
Take the utility model of above measure, when single line electronic switch ac input end input 220v/230 microampere electric current, also can not cause controlled electric ballast light fixture such as small-power (5w) electricity-saving lamp to close the quiet sudden strain of a muscle of having no progeny and secretly reveal existing.When single line electronic switch ac input end input 220v/230 microampere electric current, dc output end can have about 3 milliamperes to earth-current, with the voltage stabilizing of three-terminal voltage-stabilizing device direct current output more than the 1mA is arranged when the 3V, can satisfy the requirement of little power consumption receiving circuit and single-chip microcomputer steady operation.The utility model has extremely strong autgmentability and adaptability, not only can be used in the single line electronic switching circuit, can also use the equipment such as inductive switch, remote control switch, household electrical appliance of all kinds of little power consumptions.In two-wire system, when not changing device parameters, ac input end connects the 220v/600 microampere, can obtain more than 10 milliamperes average anode current over the ground, has good adaptation versatility.The utility model is simple in structure, and is cheap, can make module, can use conventional device, and price is low, cost is little, is fit to also very easily promote the use of in various electronic products.
Four. description of drawings
Accompanying drawing 1 circuit block diagram that to be the utility model (embodiment) link to each other with alternating-current power supply input phase line L or N with the control circuit partial circuit;
Accompanying drawing 2 is electrical schematic diagrams of the utility model (embodiment);
Accompanying drawing 3 is principle framework figure that the utility model is applied in the single line electronic switching circuit;
Accompanying drawing 4 is principle framework figure that the utility model is applied in the two-wire electronic switching circuit.
In conjunction with the accompanying drawings and embodiments the utility model is described in further detail again below.
Five. embodiment
Accompanying drawing 1 has provided the circuit block diagram that the utility model embodiment and control circuit partial circuit link to each other with alternating-current power supply input phase line L or N.
Referring to accompanying drawing 1.The utility model link to each other with rectification circuit 1 output by the rectification circuit 1 that links to each other with alternating current input N or L, input output links to each other with filtering energy storage circuit 4 inputs and current-limiting circuit 2, input that output links to each other with tension and relaxation control circuit 3 inputs link to each other with current-limiting circuit 2 outputs relaxation oscillation control circuit 3, input links to each other with relaxation oscillation control circuit 3 outputs and output is formed with the filtering energy storage circuit 4 that control circuit part input links to each other.Filtering energy storage circuit 4 output V
0The connection control circuit part.
Accompanying drawing 2 has provided the electrical schematic diagram of the utility model embodiment.
Referring to accompanying drawing 2.Rectification circuit 1 is by a diode D
1Constitute halfwave rectifier.Step-down current-limiting circuit 2 is by a resistance R
1Constitute.Relaxation oscillation control circuit 3 is by a capacitor C
1, a bidirectional trigger diode DIAC constitutes; Filtering energy storage circuit 4 is by a diode D
2, an inductance L
1, an electrochemical capacitor C
2Form.Its mutual electrical connection is: rectification circuit 1 diode D
1Electrode input end link to each other rectification circuit 1 diode D with alternating-current power supply input phase line L (or N)
1The negative pole dc output end and the resistance R of step-down current-limiting circuit 2
1One end links to each other, the R of step-down current-limiting circuit 2
1The charge and discharge capacitance C of the other end and relaxation oscillation control circuit 3
1An end link to each other, and link to each other the inductance L of filtering energy storage circuit 4 with the end of memory circuit DIAC
1Import an end and loop diode D
2Negative pole receive the low-voltage output of DIAC, the inductance L of filtering energy storage circuit 4 after linking to each other
1Export an end and accumulation of energy filter capacitor C
2The continuous output of an anodal end is without the DC power supply V of voltage stabilizing
o, the Zhang Zhen that speeds swings the capacitor C of control circuit 3
1The loop diode D of low side and filtering energy storage circuit 4
2An anodal end and capacitor C
2Negative pole one end links to each other, and three ends are connected to form common, and common links to each other with the negative pole end of control circuit.
Below provide the practical application of the utility model in single line electronic switching circuit and two-wire electronic switching circuit again.
Accompanying drawing 3 is principle framework figure that the utility model is applied in the single line electronic switching circuit.When the utility model is applied in the single line electronic switching circuit, the utility model (the low power consumption standby circuit among the figure) links to each other with single-chip microcomputer with the voltage stabilizing circuit of electronic switch, little power consumption RF with the shutoff power taking part of control circuit part and the output of conducting power taking part, low power consumption standby circuit by alternating-current power supply input phase line L (or N), can finish comparatively desirable low power consumption standby task.
Accompanying drawing 4 is principle framework figure that the utility model is applied in the two-wire electronic switching circuit.When the utility model is applied in the two-wire electronic switching circuit, relay or the electronic switch control circuit, voltage stabilizing circuit, little power consumption RF of the utility model (the low power consumption standby circuit among the figure) by alternating-current power supply input phase line L (or N) and control circuit part links to each other with single-chip microcomputer, can finish comparatively desirable low power consumption standby task.Operation principle of the present utility model is: alternating current is after halfwave rectifier step-down current limliting, obtain the positive half wave direct current of a pulsation, obtain an interrupted step ripple by relaxation oscillator and give the accumulator accumulation of energy, because relaxation oscillator utilizes the negative resistance and the time response of bidirectional trigger diode, accurately set breakover voltage, before reaching oscillating tube starting of oscillation voltage, the filter capacitor voltage of light fixture makes its reverse-conducting discharge, simultaneously to accumulator charging output, obtain direct current without voltage stabilizing, bidirectional trigger diode recovers the forward conduction charging when voltage is lower than breakover voltage, finishes the work the cycle.
Claims (5)
1. low power consumption standby power circuit is characterized in that: relaxation oscillation control circuit (3), the input that has that the rectification circuit (1), the input that link to each other with alternating current input N or L link to each other with rectification circuit (1) output output links to each other with filtering energy storage circuit (4) input and current-limiting circuit (2), input that output links to each other with tension and relaxation control circuit (3) input link to each other with current-limiting circuit (2) output links to each other with relaxation oscillation control circuit (3) output and filtering energy storage circuit (4) that output links to each other with control circuit part input.
2. low power consumption standby power circuit according to claim 1 is characterized by: rectification circuit (1) is by diode D
1Constitute halfwave rectifier; Step-down current-limiting circuit (2) is by resistance R
1Constitute; Relaxation oscillation control circuit (3) is by capacitor C
1, bidirectional trigger diode DIAC constitutes; Filtering energy storage circuit (4) is by diode D
2, inductance L
1, electrochemical capacitor C
2Form, its mutual electrical connection is rectification circuit (1) diode D
1Electrode input end link to each other rectification circuit (1) diode D with alternating-current power supply input phase line L or N
1The negative pole dc output end and the resistance R of step-down current-limiting circuit (2)
1One end links to each other, the R of step-down current-limiting circuit (2)
1The charge and discharge capacitance C of the other end and relaxation oscillation control circuit (3)
1An end link to each other, and link to each other the inductance L of filtering energy storage circuit (4) with the end of memory circuit DIAC
1Import an end and loop diode D
2Negative pole receive the low-voltage output of DIAC, the inductance L of filtering energy storage circuit (4) after linking to each other
1Export an end and accumulation of energy filter capacitor C
2The continuous output of an anodal end is without the DC power supply V of voltage stabilizing
o, the Zhang Zhen that speeds swings the capacitor C of control circuit (3)
1The loop diode D of low side and filtering energy storage circuit (4)
2An anodal end and capacitor C
2Negative pole one end links to each other, and three ends are connected to form common, and common links to each other with the negative pole end of control circuit.
3. low power consumption standby power circuit according to claim 1 is characterized by: described rectification circuit (1) is full-wave rectification or halfwave rectifier.
4. low power consumption standby power circuit according to claim 1 is characterized by: when the one wire system electronic circuit, load RL is connected between common ground end and alternating current input N or the L.
5. low power consumption standby power circuit according to claim 1 is characterized by: when the double wire system electronic circuit, and common ground end direct incoming transport electrical input N or L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201385371U CN201616775U (en) | 2010-02-24 | 2010-02-24 | Micropower standby power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201385371U CN201616775U (en) | 2010-02-24 | 2010-02-24 | Micropower standby power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201616775U true CN201616775U (en) | 2010-10-27 |
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ID=43003137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201385371U Expired - Fee Related CN201616775U (en) | 2010-02-24 | 2010-02-24 | Micropower standby power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201616775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270863A (en) * | 2014-09-30 | 2015-01-07 | 南京物联传感技术有限公司 | Wireless intelligent single-firing-wire switch |
-
2010
- 2010-02-24 CN CN2010201385371U patent/CN201616775U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270863A (en) * | 2014-09-30 | 2015-01-07 | 南京物联传感技术有限公司 | Wireless intelligent single-firing-wire switch |
| CN104270863B (en) * | 2014-09-30 | 2016-05-11 | 南京物联传感技术有限公司 | A kind of intelligent wireless list live wire switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20120224 |