CN102665312A - LED (light-emitting diode) energy-saving voltage-reducing circuit system - Google Patents
LED (light-emitting diode) energy-saving voltage-reducing circuit system Download PDFInfo
- Publication number
- CN102665312A CN102665312A CN2012101581506A CN201210158150A CN102665312A CN 102665312 A CN102665312 A CN 102665312A CN 2012101581506 A CN2012101581506 A CN 2012101581506A CN 201210158150 A CN201210158150 A CN 201210158150A CN 102665312 A CN102665312 A CN 102665312A
- Authority
- CN
- China
- Prior art keywords
- led
- light
- energy
- emitting diode
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004134 energy conservation Methods 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses an LED (light-emitting diode) energy-saving voltage-reducing circuit system. The system successively comprises a power supply, a transformer, a voltage comparator, a PWM (pulse width modulation) module, an LED lamp and an MCU (microprogrammed control unit) microcontroller which are mutually connected, wherein the output end of a power supply circuit is connected with the input end of the transformer; the output end of the transformer is connected with the input end of the voltage comparator; the output end of the voltage comparator is connected with the input end of the PWM module; the output end of the PWM module is connected with the input end of the LED lamp; the output end of the LED lamp is connected with the input end of an MCU microprocessor; and the input end of the MCU is connected with the power supply. After an electric signal is inputted to the MCU microcontroller, the voltage is outputted to the negative pole end of a light-emitting diode, and then the voltage difference of the two ends of the light-emitting diode is reduced and the heating value of the light-emitting diode is decreased, so that an LED energy-saving lamp can realize heat balance at a lower temperature, thus the electric energy can be saved, and the service life can be prolonged at the same time.
Description
Technical field
The present invention relates to a kind of home lighting equipment, particularly relate to the energy-conservation reduction voltage circuit of a kind of LED system.
Background technology
LED is a semiconductor light-emitting-diode, and the LED electricity-saving lamp is with high brightness white light-emitting diode light emitting source, and light efficiency is high, little power consumption, long, easy to control, non-maintaining, safety and environmental protection of life-span; Be solid cold light source of new generation, photochromic soft, gorgeous, rich and varied, low-loss, low energy consumption, environmental protection is suitable for family, the market, bank, hospital, the hotel, he throws light on the restaurant various public places for a long time.Not having the direct current of sudden strain of a muscle, eyes are played a very good protection, is desk lamp, the optimal selection of torch.
The LED electricity-saving lamp is the lighting source of new generation behind compact fluorescent lamp (being common energy-saving lamp).Compare common energy-saving lamp, the environmental protection of LED electricity-saving lamp is not mercurous, recyclablely utilize again, under the power, high light efficiency, the long-life, promptly open promptly bright, anti-frequent switch, light decay is little, rich color, tunable optical, change is abundant.A large amount of common energy-saving lamps that use can cause mercury pollution, contaminated soil water source, thereby indirect contaminated food products, and environmental hazard can not be despised.
That LED has is energy-efficient, extra long life, health, environmental protection, vision protection, optical efficiency is high, coefficient of safety is high, market potential is big.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, the energy-conservation reduction voltage circuit of a kind of LED system is provided, simple in structure, energy-conserving and environment-protective, safe and reliable, cost is low, long service life.
In order to achieve the above object; The technical scheme that the present invention adopts is: the energy-conservation reduction voltage circuit of a kind of LED system, and the energy-conservation reduction voltage circuit of described LED system comprises interconnective power supply, transformer, voltage comparator, PWM module, LED lamp and MCU microcontroller successively; The output of power circuit connects the input of transformer; The output of transformer connects the input of voltage comparator; The output of voltage comparator connects the PWM module input; PWM module output connects LED lamp input, and LED lamp output connects the output of MCU microprocessor, the input termination power of MCU microprocessor.The output of described transformer is connected a resistance R 1 with the input of MCU microprocessor.
Compared with prior art; The invention has the beneficial effects as follows: behind signal of telecommunication input MCU microcontroller, through the negative pole end of modulation output voltage to LED light-emitting diode, LED light-emitting diode voltage difference reduces; The heating of LED light-emitting diode reduces; Make the LED electricity-saving lamp reach heat balance at a lower temperature, practiced thrift electric energy, prolonged useful life simultaneously.
Description of drawings
Fig. 1 is a circuit structure schematic diagram of the present invention.
Embodiment
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, so that technical characterictic of the present invention and advantage are carried out more deep annotation.
Circuit structure schematic diagram of the present invention is as shown in Figure 1, the energy-conservation reduction voltage circuit of a kind of LED system, and the energy-conservation reduction voltage circuit of described LED system comprises interconnective power supply, transformer, voltage comparator, PWM module, LED lamp and MCU microcontroller successively; The output of power circuit connects the input of transformer; The output of transformer connects the input of voltage comparator; The output of voltage comparator connects the PWM module input; PWM module output connects LED lamp input, and LED lamp output connects the output of MCU microprocessor, the input termination power of MCU microprocessor.The output of described transformer is connected a resistance R 1 with the input of MCU microprocessor.
Operation principle of the present invention is following: through the transformer transformation, and through outputing to LED lamp group after through the modulation of PWM module after the over-voltage comparator, the output of LED lamp group connects the MCU microprocessor after the supply voltage input.Behind signal of telecommunication input MCU microcontroller; Negative pole end through modulation output voltage to LED light-emitting diode; LED light-emitting diode voltage difference reduces, and the heating of LED light-emitting diode reduces, and makes the LED electricity-saving lamp reach heat balance at a lower temperature; Practice thrift electric energy, prolonged useful life simultaneously.
The content of mentioning in the foregoing description is not to be to qualification of the present invention, and under the prerequisite that does not break away from inventive concept of the present invention, any conspicuous replacement is all within protection scope of the present invention.
Claims (1)
1. the energy-conservation reduction voltage circuit of LED system, it is characterized in that: the energy-conservation reduction voltage circuit of described LED system comprises interconnective power supply, transformer, voltage comparator, PWM module, LED lamp and MCU microcontroller successively; The output of power circuit connects the input of transformer; The output of transformer connects the input of voltage comparator; The output of voltage comparator connects the PWM module input; PWM module output connects LED lamp input, and LED lamp output connects the output of MCU microprocessor, the input termination power of MCU microprocessor; The output of described transformer is connected a resistance R 1 with the input of MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101581506A CN102665312A (en) | 2012-05-21 | 2012-05-21 | LED (light-emitting diode) energy-saving voltage-reducing circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101581506A CN102665312A (en) | 2012-05-21 | 2012-05-21 | LED (light-emitting diode) energy-saving voltage-reducing circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102665312A true CN102665312A (en) | 2012-09-12 |
Family
ID=46774694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101581506A Pending CN102665312A (en) | 2012-05-21 | 2012-05-21 | LED (light-emitting diode) energy-saving voltage-reducing circuit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102665312A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201772288U (en) * | 2010-06-10 | 2011-03-23 | 大连冰山嘉德自动化有限公司 | LED Energy Saving Lamp |
| CN102143639A (en) * | 2011-04-18 | 2011-08-03 | 鸿富锦精密工业（深圳）有限公司 | LED (Light Emitting Diode) driving circuit |
| CN201995171U (en) * | 2011-01-17 | 2011-09-28 | 宁波江北华瑞电子有限公司 | LED driving power supply with load tracking and frequency reducing functions |
| CN202103905U (en) * | 2011-05-27 | 2012-01-04 | 广州市智枫实业有限公司 | Intelligent constant-current energy-saving LED (light-emitting diode) illumination luminaire |
| CN202750265U (en) * | 2012-05-21 | 2013-02-20 | 杨南宁 | LED (Light-Emitting Diode) energy-saving voltage-reduction circuit system |
-
2012
- 2012-05-21 CN CN2012101581506A patent/CN102665312A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201772288U (en) * | 2010-06-10 | 2011-03-23 | 大连冰山嘉德自动化有限公司 | LED Energy Saving Lamp |
| CN201995171U (en) * | 2011-01-17 | 2011-09-28 | 宁波江北华瑞电子有限公司 | LED driving power supply with load tracking and frequency reducing functions |
| CN102143639A (en) * | 2011-04-18 | 2011-08-03 | 鸿富锦精密工业（深圳）有限公司 | LED (Light Emitting Diode) driving circuit |
| CN202103905U (en) * | 2011-05-27 | 2012-01-04 | 广州市智枫实业有限公司 | Intelligent constant-current energy-saving LED (light-emitting diode) illumination luminaire |
| CN202750265U (en) * | 2012-05-21 | 2013-02-20 | 杨南宁 | LED (Light-Emitting Diode) energy-saving voltage-reduction circuit system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101917810A (en) | LED (Light Emitting Diode) lighting method and device in AC power supply mode | |
| CN201335285Y (en) | Combined LED illuminating device with high luminous efficiency and low brightness | |
| CN201528447U (en) | LED driving power supply circuit | |
| CN205847655U (en) | A kind of LED brightness toning Optimal Control System | |
| CN204119604U (en) | The Multi-channel high-frequency impulse circuit of LED lamp | |
| CN201731335U (en) | Alternating current direct-drive LED lamp tube | |
| CN102665312A (en) | LED (light-emitting diode) energy-saving voltage-reducing circuit system | |
| CN213462401U (en) | Driving power supply voltage controller | |
| CN202738165U (en) | LED energy-saving voltage reduction circuit | |
| CN102665311A (en) | LED (Light Emitting Diode) energy-saving and voltage-reducing circuit | |
| CN203743958U (en) | LED bulb with human body infrared induction function | |
| CN210351737U (en) | LED street lamp drive circuit | |
| CN102665313A (en) | LED (light-emitting diode) energy-saving voltage step-down circuit | |
| CN203632931U (en) | Protection circuit for driving LED light source COB series combination with switching power supply | |
| CN202302939U (en) | LED (light-emitting diode) daylight lamp | |
| CN201314532Y (en) | Series parallel circuit of LED fluorescent tube | |
| CN202713680U (en) | LED energy-saving and step-down circuit | |
| CN202750265U (en) | LED (Light-Emitting Diode) energy-saving voltage-reduction circuit system | |
| CN203813998U (en) | Intelligent control system of household LED lamps | |
| CN204836733U (en) | No electrolytic capacitor driver | |
| CN203675362U (en) | Illuminating lamp general for light emitting diodes | |
| CN202857037U (en) | LED light emitting circuit of alternating current power supply | |
| CN202364447U (en) | LED (Light-emitting diode) daylight lamp circuit system | |
| CN202001869U (en) | Energy-saving LED lamp tube | |
| CN201715356U (en) | High-efficiency energy-saving desktop lamp for learning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120912 |