CN102695340B - LED drive power supply with power saver - Google Patents
LED drive power supply with power saver Download PDFInfo
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- CN102695340B CN102695340B CN201210165929.0A CN201210165929A CN102695340B CN 102695340 B CN102695340 B CN 102695340B CN 201210165929 A CN201210165929 A CN 201210165929A CN 102695340 B CN102695340 B CN 102695340B
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- 239000003990 capacitor Substances 0.000 claims abstract description 48
- 230000005611 electricity Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
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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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
An LED drive power supply with a power saver belongs to the technical field of LED power supplies and comprises a frequency control circuit and a constant-current drive circuit. The frequency control circuit is connected into the constant-current drive circuit. The positive output end and the positive input end of the constant-current drive circuit are connected with two electrolytic capacitors C10 and C11 in parallel. The frequency control circuit controls the two electrolytic capacitors C10 and C11 to be recharged and to discharge. The LED drive power supply has the advantages that power can be automatically saved during working of the power supply, so that power can be saved further on the premise of keeping luminance of LED lamps without change.
Description
Technical field
the invention belongs to LED power technique fields, be specifically related to a kind of LED driving power with electricity saver.
Background technology
power saving and energy-conserving and environment-protective problem have more and more become people's focus, and the economic growth of the low energy has become social consensus.Development green illumination meets CHINESE INDUSTRIES development strategy, not only, in current energy energy efficient, reduces operation expenses, far-reaching significance, leave sufficient reserve strength can also to socioeconomic development.Nowadays, energy source in China is mainly from thermal power generation, and thermal power generation mainly adopts oil and coal, and the continuous hurricane of oil price rises and causes cost of electricity-generating to increase, and fire coal produces again a large amount of carbon dioxide and causes greenhouse effect.In order to solve energy problem, China sets about towards both direction at present: development new forms of energy and energy-conservation, the LED(Light-Emitting Diode of power saving, pollution-free and long service life) energy-efficient lamp arises at the historic moment under this environment, now become the main flow illuminating product in market, be a kind of light fixture of at present power saving, power saving ratio substantially and a part of light fixture contrast have reached 2/3 effect.But, if can make LED light fixture further carry out power saving,, under same brightness, with LED light fixture and the common LED light fixture of electricity saver, specific energy is saved to a part of electric power again, that energy-saving benefit will be very considerable.Like this, reducing on the basis of energy resource consumption, can also reduce otherwise operation expenses, thereby greatly reduce the pollution to environment, realize the Economic concept of green, low-carbon (LC), environmental protection, for building harmonious contribution to society strength.
Summary of the invention
task of the present invention is to provide a kind of LED driving power with electricity saver, automatically carries out power saving when power work, makes LED lamp in the situation that guaranteeing that brightness is constant, further carry out power saving.
task of the present invention completes like this, a kind of LED driving power with electricity saver, comprise frequency control circuit and constant-current drive circuit, in described frequency control circuit access constant-current drive circuit, it is characterized in that: described constant-current drive circuit is two electrochemical capacitor C10 in parallel and C11 between positive-negative output end, described frequency control circuit is controlled the frequency that discharges and recharges of electrochemical capacitor C10 and C11.
in a specific embodiment of the present invention, described frequency control circuit comprises timing chip IC1, optocoupler TL1, electrochemical capacitor C1, C2, C3, resistance R 1, R2, rheostat W1, W2 and diode D1, D2, one end of the positive pole of electrochemical capacitor C1 and rheostat W2, sliding end, 2 pin of timing chip IC1 are connected with 6 pin, the sliding end of another termination rheostat W1 of rheostat W2, the positive pole of a terminating diode D1 of rheostat W1, one end of the negative pole connecting resistance R1 of diode D1, one end of the other end connecting resistance R2 of resistance R 1, the negative pole of another terminating diode D2 of rheostat W1, the positive pole of diode D2 connects 7 pin of timing chip IC1, 3 pin of timing chip IC1 connect 1 pin of optocoupler TL1, 3 pin of optocoupler TL1 connect the grid of the transistor Q1 in constant-current drive circuit, 4 pin of optocoupler TL1 connect 4 pin of the constant-current driven chip IC2 in constant-current drive circuit and one end of resistance R 8, 5 pin of timing chip IC1 connect the positive pole of electrochemical capacitor C2, 4 pin of timing chip IC1, 8 pin, the other end of the positive pole of electrochemical capacitor C3 and resistance R 2 meets DC power supply VCC jointly, 1 pin of timing chip IC1, electrochemical capacitor C1, C2, the 2 pin common grounds of the negative pole of C3 and optocoupler TL1.
the present invention is owing to having adopted said structure, frequency control circuit output switch frequency control signal, in order to control the frequency that discharges and recharges of electrochemical capacitor C10, C11 in constant-current drive circuit, when electrochemical capacitor C10, C11 discharge, the electric energy discharging, for LED lamp is driven and compensated, reaches power saving effect with this.
Accompanying drawing explanation
fig. 1 is frequency control circuit figure of the present invention.
fig. 2 is constant-current drive circuit figure of the present invention.
Embodiment
in order to make the public can fully understand technical spirit of the present invention and beneficial effect; applicant will describe in detail the specific embodiment of the present invention below by reference to the accompanying drawings; but applicant is not the restriction to technical scheme to the description of embodiment, anyly according to the present invention design, changes in the form rather than substance all and should be considered as protection scope of the present invention.
a kind of LED driving power with electricity saver comprises frequency control circuit and constant-current drive circuit, in described frequency control circuit access constant-current drive circuit, it is characterized in that: described constant-current drive circuit is two electrochemical capacitor C10 in parallel and C11 between positive-negative output end, described frequency control circuit is controlled the frequency that discharges and recharges of electrochemical capacitor C10 and C11.
refer to Fig. 1, described frequency control circuit comprises timing chip IC1, optocoupler TL1, electrochemical capacitor C1, C2, C3, resistance R 1, R2, rheostat W1, W2 and diode D1, D2, and in the present invention, timing chip IC1 is NE555, and optocoupler is PC817.One end of the positive pole of electrochemical capacitor C1 and rheostat W2, sliding end, 2 pin of timing chip IC1 are connected with 6 pin, the sliding end of another termination rheostat W1 of rheostat W2, the positive pole of a terminating diode D1 of rheostat W1, one end of the negative pole connecting resistance R1 of diode D1, one end of the other end connecting resistance R2 of resistance R 1, the negative pole of another terminating diode D2 of rheostat W1, the positive pole of diode D2 connects 7 pin of timing chip IC1, 3 pin of timing chip IC1 connect 1 pin of optocoupler TL1, 3 pin of optocoupler TL1 connect the grid of the transistor Q1 in constant-current drive circuit, 4 pin of optocoupler TL1 connect 4 pin of the constant-current driven chip IC2 in constant-current drive circuit and one end of resistance R 8, 5 pin of timing chip IC1 connect the positive pole of electrochemical capacitor C2, 4 pin of timing chip IC1, 8 pin, the other end of the positive pole of electrochemical capacitor C3 and resistance R 2 meets DC power supply VCC jointly, 1 pin of timing chip IC1, electrochemical capacitor C1, C2, the 2 pin common grounds of the negative pole of C3 and optocoupler TL1.
constant-current drive circuit of the present invention be in the positive-negative output end parallel connection of the drive circuit of prior art two electrochemical capacitor C10, C11, refer to Fig. 2, described constant-current drive circuit comprises: fuse FU1, thermistor NTC, piezo-resistance VSR, electric capacity+C4～C7, electrochemical capacitor C8～C11, diode D3～D6, resistance R 3～R5, resistance R 7～R11 inductance L 1, L2, rectifier bridge BD1, constant-current driven chip IC2 and transistor Q1.In the present invention, described constant-current driven chip IC2 adopts LS2500A.The L end of a termination civil power of fuse FU1, one end of another termination capacitor C 4 of FU1, 1 pin of one end of piezo-resistance VSR and rectifier bridge BD1, one end of another termination thermistor NTC of capacitor C 4, 3 pin of the other end of piezo-resistance VSR and rectifier bridge BD1, the N end of another termination civil power of thermistor NTC, 2 pin of rectifier bridge BD1 connect the positive pole of electrochemical capacitor C8, the negative pole of diode D5, one end of resistance R 4, the negative pole of diode D6, the positive pole of the positive pole of electrochemical capacitor C10 and electrochemical capacitor C11 is also connected to LED lamp positive pole, the negative pole of electrochemical capacitor C8 connects the positive pole of diode D3 and the negative pole of diode D4, the negative pole of diode D3 is connected with one end of resistance R 3, the positive pole of another terminating diode D5 of resistance R 3 and the positive pole of electrochemical capacitor C9, one end of another termination capacitor C 5 of resistance R 4 and one end of resistance R 5, the other end of other end connecting resistance R5 of capacitor C 5 and 1 pin of constant-current driven chip IC2, 2 pin of constant-current driven chip IC2 connect one end of capacitor C 6 and one end of resistance R 9, one end of the other end connecting resistance R10 of resistance R 9, the source electrode of one end of resistance R 11 and transistor Q1, the grid of transistor Q1 connects 3 pin of optocoupler TL1 in frequency control circuit, the drain electrode of transistor Q1 connects the positive pole of diode D6 and one end of inductance L 1, one end of another termination inductance L 2 of inductance L 1, the negative pole of another termination electrochemical capacitor C10 of inductance L 2 and the negative pole of electrochemical capacitor C11 are also connected to LED lamp negative pole, 4 pin of optocoupler TL1 in one end of the 4 pin connecting resistance R8 of constant-current driven chip IC2 and frequency control circuit, 8 pin of another termination constant-current driven chip IC2 of resistance R 8 and one end of resistance R 7, 5 pin of constant-current driven chip IC2 and 6 pin, 7 pin are connected with one end of capacitor C 7, 4 pin of rectifier bridge BD1, the positive pole of diode D4, the negative pole of electrochemical capacitor C9, the other end of capacitor C 6, 3 pin of constant-current driven chip IC2, the other end of capacitor C 7, the other end of resistance R 7, the other end common ground of the other end of resistance R 10 and resistance R 11.
please again consult Fig. 1 and in conjunction with Fig. 2, frequency control circuit comprises multivibrator circuit and the photoelectric coupled circuit consisting of timing chip IC1, in order to regulate continuously duty ratio and to regulate frequency of oscillation, the 7th pin and the 6th at timing chip IC1, between 2 pin, connect rheostat W1 and W2, wherein, standardsizing rheostat W1 can change frequency of oscillation, standardsizing rheostat W2 can change duty ratio, in the present invention, electrochemical capacitor C1 is made as to 47 μ F, through debugging, can make frequency control circuit carry out work between 10 milliseconds～40 milliseconds, 3 pin of optocoupler TL1 are to the grid output switch frequency control signal of the transistor Q1 in constant-current drive circuit, be used for controlling the electrochemical capacitor C10 in constant-current drive circuit, C11 discharges and recharges frequency.In the present invention, electrochemical capacitor C10, C11 are made as 470 μ F, through debugging, can realize between 10 milliseconds～40 milliseconds and working, and when electrochemical capacitor C10, C11 carry out energy storage to the electric weight of power supply, while charging, LED lamp carries out routine and drives, and does not carry out power saving.When electrochemical capacitor C10, C11 discharge, the electric energy of release drives and compensates LED lamp, makes LED lamp in the constant situation of original brightness, be issued to the effect of power saving.
in sum, adopted after above technical scheme, overcome the shortcoming in prior art, reached goal of the invention, embodied the technique effect described in applicant.
Claims (1)
1.
a kind of LED driving power with electricity saver, comprise frequency control circuit and constant-current drive circuit, in described frequency control circuit access constant-current drive circuit, it is characterized in that: described constant-current drive circuit is two electrochemical capacitor C10 in parallel and C11 between positive-negative output end, described frequency control circuit is controlled the frequency that discharges and recharges of electrochemical capacitor C10 and C11, and described frequency control circuit comprises timing chip IC1, optocoupler TL1, electrochemical capacitor C1, C2, C3, resistance R 1, R2, rheostat W1, W2 and diode D1, D2, one end of the positive pole of electrochemical capacitor C1 and rheostat W2, sliding end, 2 pin of timing chip IC1 are connected with 6 pin, the sliding end of another termination rheostat W1 of rheostat W2, the positive pole of a terminating diode D1 of rheostat W1, one end of the negative pole connecting resistance R1 of diode D1, one end of the other end connecting resistance R2 of resistance R 1, the negative pole of another terminating diode D2 of rheostat W1, the positive pole of diode D2 connects 7 pin of timing chip IC1, 3 pin of timing chip IC1 connect 1 pin of optocoupler TL1, 3 pin of optocoupler TL1 connect the grid of the transistor Q1 in constant-current drive circuit, 4 pin of optocoupler TL1 connect 4 pin of the constant-current driven chip IC2 in constant-current drive circuit and one end of resistance R 8, 5 pin of timing chip IC1 connect the positive pole of electrochemical capacitor C2, 4 pin of timing chip IC1, 8 pin, the other end of the positive pole of electrochemical capacitor C3 and resistance R 2 meets DC power supply VCC jointly, 1 pin of timing chip IC1, electrochemical capacitor C1, C2, the 2 pin common grounds of the negative pole of C3 and optocoupler TL1.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210165929.0A CN102695340B (en) | 2012-05-25 | 2012-05-25 | LED drive power supply with power saver |
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| CN201210165929.0A CN102695340B (en) | 2012-05-25 | 2012-05-25 | LED drive power supply with power saver |
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| CN102695340A CN102695340A (en) | 2012-09-26 |
| CN102695340B true CN102695340B (en) | 2014-03-12 |
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| CN103841696B (en) * | 2012-11-22 | 2016-03-30 | 欧普照明股份有限公司 | A kind of LED driving governor, lighting device and illuminator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101541116A (en) * | 2008-03-19 | 2009-09-23 | 杨书水 | Electronic ballast of alternate current high-power LED illumination energy-saving lamp |
| CN101630920A (en) * | 2009-05-21 | 2010-01-20 | 立明股份有限公司 | LED lighting lamp and power supply device thereof |
| CN202652626U (en) * | 2012-05-25 | 2013-01-02 | 江苏三显照明科技有限公司 | LED driving power supply with power saving device |
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2012
- 2012-05-25 CN CN201210165929.0A patent/CN102695340B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101541116A (en) * | 2008-03-19 | 2009-09-23 | 杨书水 | Electronic ballast of alternate current high-power LED illumination energy-saving lamp |
| CN101630920A (en) * | 2009-05-21 | 2010-01-20 | 立明股份有限公司 | LED lighting lamp and power supply device thereof |
| CN202652626U (en) * | 2012-05-25 | 2013-01-02 | 江苏三显照明科技有限公司 | LED driving power supply with power saving device |
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Owner name: JIANGSU SHANSHU ENERGY SAVING SERVICE CO., LTD. Free format text: FORMER OWNER: JIANGSU S-SHINE LIGHTING TECHNOLOGY CO., LTD. Effective date: 20150602 |
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Effective date of registration: 20150602 Address after: 215555, 1, Guanghua Road, No. 26, Xinzhuang Town, Suzhou, Jiangsu, Changshou City Patentee after: Jiangsu Shanshui Energy Saving Service Co.,Ltd. Address before: 215562 Guanghua Road 26, Xinzhuang Town, Suzhou, Jiangsu, Changshou City Patentee before: JIANGSU SANXIAN LIGHTING TECHNOLOGY CO.,LTD. |
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Address after: 215555, 1, Guanghua Road, No. 26, Xinzhuang Town, Suzhou, Jiangsu, Changshou City Patentee after: JIANGSU SHANSHUI ENERGY CONSERVATION SERVICE CO. Address before: 215555, 1, Guanghua Road, No. 26, Xinzhuang Town, Suzhou, Jiangsu, Changshou City Patentee before: Jiangsu Shanshui Energy Saving Service Co.,Ltd. |
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Address after: 215000, 4th floor, Building 1, No. 100 Hetai Road, Xinzhuang Town, Changshu City, Jiangsu Province Patentee after: Jiangsu Shanshui Energy Saving Service Co.,Ltd. Address before: 215555 Building 1, No.26, Guanghua Ring Road, Xinzhuang Town, Changshu City, Suzhou City, Jiangsu Province Patentee before: JIANGSU SHANSHUI ENERGY CONSERVATION SERVICE CO. |
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