CN202750265U - LED (Light-Emitting Diode) energy-saving voltage-reduction circuit system - Google Patents
LED (Light-Emitting Diode) energy-saving voltage-reduction circuit system Download PDFInfo
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- CN202750265U CN202750265U CN 201220228816 CN201220228816U CN202750265U CN 202750265 U CN202750265 U CN 202750265U CN 201220228816 CN201220228816 CN 201220228816 CN 201220228816 U CN201220228816 U CN 201220228816U CN 202750265 U CN202750265 U CN 202750265U
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- led
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- emitting diode
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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
The utility model discloses an LED ((Light-Emitting Diode) energy-saving voltage-reduction circuit system. The system comprises a power supply, a transformer, a voltage comparator, a PWM module, an LED lamp and an MCU microcontroller which are sequentially connected, wherein an output end of a power supply circuit is connected with an input end of the transformer; an output end of the transformer is connected with an input end of the voltage comparator; an output end of the voltage comparator is connected with an input end of the PWM module; an output end of the PWM module is connected with an input end of the LED lamp; an output end of the LED lamp is connected with an 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, a voltage is outputted to a negative electrode end of a light-emitting diode, so that the voltage difference of two ends of the light-emitting diode is reduced, the heat generated by the light-emitting diode is decreased, and the heat balance of an LED energy-saving lamp is realized at a lower temperature, thereby saving electric energy and prolonging the service life.
Description
Technical field
The utility model relates to a kind of home lighting equipment, particularly relates to the energy-conservation reduction voltage circuit of a kind of LED system.
Background technology
LED is semiconductor light-emitting-diode, and the LED electricity-saving lamp is that light efficiency is high, little power consumption with high brightness white light-emitting diode light emitting source, long, easy to control, non-maintaining, safety and environmental protection of life-span; Solid cold light source of new generation, photochromic soft, gorgeous, rich and varied, low-loss, low energy consumption, environmental protection, applicable family, the market, bank, hospital, the hotel, he throws light on the restaurant various public places for a long time.Without dodging direct current, eyes are played a very good protection, be 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, recyclable recycling, under the power, high light efficiency, the long-life, namely open namely 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 contaminated food products indirectly, 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 large.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and the energy-conservation reduction voltage circuit of a kind of LED system is provided, and is simple in structure, energy-conserving and environment-protective, and safe and reliable, cost is low, long service life.
In order to achieve the above object, the technical solution adopted in the utility model 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 input of the output connection transformer of power circuit, 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, 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 beneficial effects of the utility model are: behind signal of telecommunication input MCU microcontroller, through the negative pole end of modulation /demodulation output voltage to the LED light-emitting diode, the poor reduction of LED light-emitting diode both end voltage, the heating of LED light-emitting diode reduces, so that the LED electricity-saving lamp reaches heat balance at a lower temperature, saved electric energy, prolonged useful life simultaneously.
Description of drawings
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Be elaborated with reference to accompanying drawing below in conjunction with embodiment, in order to technical characterictic of the present utility model and advantage are carried out more deep annotation.
Circuit structure schematic diagram of the present utility model as shown in Figure 1, the energy-conservation reduction voltage circuit of a kind of LED system, 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 input of the output connection transformer of power circuit, 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, 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 utility model is as follows: through the transformer transformation, and through outputing to LED lamp group after through the modulation /demodulation 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, through the negative pole end of modulation /demodulation output voltage to the LED light-emitting diode, the poor reduction of LED light-emitting diode both end voltage, the heating of LED light-emitting diode reduces, so that the LED electricity-saving lamp reaches heat balance at a lower temperature, save electric energy, prolonged useful life simultaneously.
The content of mentioning in above-described embodiment is not to be to restriction of the present utility model, and under the prerequisite that does not break away from utility model design of the present utility model, any apparent replacement is all within protection range of the present utility model.
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 input of the output connection transformer of power circuit, 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, 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 |
|---|---|---|---|
| CN 201220228816 CN202750265U (en) | 2012-05-21 | 2012-05-21 | LED (Light-Emitting Diode) energy-saving voltage-reduction circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220228816 CN202750265U (en) | 2012-05-21 | 2012-05-21 | LED (Light-Emitting Diode) energy-saving voltage-reduction circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202750265U true CN202750265U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220228816 Expired - Fee Related CN202750265U (en) | 2012-05-21 | 2012-05-21 | LED (Light-Emitting Diode) energy-saving voltage-reduction circuit system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202750265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665312A (en) * | 2012-05-21 | 2012-09-12 | 杨南宁 | LED (light-emitting diode) energy-saving voltage-reducing circuit system |
-
2012
- 2012-05-21 CN CN 201220228816 patent/CN202750265U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102665312A (en) * | 2012-05-21 | 2012-09-12 | 杨南宁 | LED (light-emitting diode) energy-saving voltage-reducing circuit system |
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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: 20130220 Termination date: 20130521 |