CN105578670A - Energy saving device for LED - Google Patents
Energy saving device for LED Download PDFInfo
- Publication number
- CN105578670A CN105578670A CN201410539006.6A CN201410539006A CN105578670A CN 105578670 A CN105578670 A CN 105578670A CN 201410539006 A CN201410539006 A CN 201410539006A CN 105578670 A CN105578670 A CN 105578670A
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- CN
- China
- Prior art keywords
- voltage
- led
- energy saving
- signal
- controller
- 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.)
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Classifications
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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
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- Control Of El Displays (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses an energy saving device for an LED. The energy saving device comprises a photosensitive assembly which guides external ambient light to a photosensitive resistor through a light guide column and outputs a varying electric signal; a digital-to-analog converter which outputs an identifiable electric signal to a controller for being processed; a controller which is used for analyzing the strength of the electric signal and outputting different duty ratio signals; a bulk converter which performs voltage reduction and voltage stabilizing on an AC voltage that is input from outside, thereby supplying DC power for the whole device; and a driving circuit which outputs a reasonable voltage and a constant current for supplying electric power to the LED lamp and has an overvoltage and overcurrent protection function. The energy saving device has functions of realizing automatic brightness adjustment of an indicating lamp according to environment change, facilitating identification of a user for the product operation state, and performing an energy saving function.
Description
Technical field
The present invention relates to electronic installation, be specifically related to a kind of LED energy saver.
Background technology
At present, LED light is the state of the on and off by low and high level control LED.The brightness such as LED remain the same, and can make like this in the stronger situation of ambient light, user is identification signal state not easily, time ambient light is weak, indicator light display is bright especially, to the dazzling sensation of people, though normally can identify that the operating state of product can affect user emotion.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of LED energy saver, strong and weak by light-sensitive device detecting ambient light, pass through digital to analog converter again, control processor changes the square wave exported as different duty, to improve to the different voltage of LED, intensity of light is regulated automatically, starts energy-conservation and improve user's sense organ.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of LED energy saver, comprising:
One photosensory assembly, external environment light, by light-guiding pillar, imports to photo resistance, the signal of telecommunication of exporting change by described photosensory assembly;
One digital to analog converter, the signal of telecommunication that output can be identified is to controller process;
One controller, for analyzing signal of telecommunication power, and exports different duty signal;
One reduction voltage circuit, the alternating voltage that outside is inputted through lowering and stabilizing blood pressure process after provide DC power supply for whole device;
And one drive circuit, this drive circuit exports rational voltage and constant current is powered to LED, and has over-voltage over-current protection function.
In a preferred embodiment of the invention, described photosensory assembly comprises the photoelectricity resistance be directly connected with digital to analog converter.
In a preferred embodiment of the invention, described drive circuit is made up of inductance and electric capacity, and the loop of described inductance and electric capacity is provided with diode.
By technique scheme, the invention has the beneficial effects as follows:
The present invention realizes indicator light and environmentally changes, automatic regulating lightness, facilitates user to identify product working status and plays energy-conserving action.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is existing indicator light circuit figure.
Fig. 2 is indicator light circuit figure of the present invention.
Fig. 3 is light duty ratio of the present invention and the relation of corresponding output voltage.
Fig. 4 is workflow diagram of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
With reference to Fig. 1, be existing indicator light circuit figure.
With reference to Fig. 2, a kind of LED energy saver, comprising: a photosensory assembly, and external environment light, by light-guiding pillar, imports to photo resistance, the signal of telecommunication of exporting change by described photosensory assembly; One digital to analog converter, the signal of telecommunication that output can be identified is to controller process; One controller, for analyzing signal of telecommunication power, and exports different duty signal.One reduction voltage circuit, the alternating voltage that outside is inputted through lowering and stabilizing blood pressure process after provide DC power supply for whole device; And one drive circuit, this drive circuit exports rational voltage and constant current is powered to LED, and has over-voltage over-current protection function.
Described photosensory assembly comprises the photoelectricity resistance be directly connected with digital to analog converter; Described drive circuit is made up of inductance and electric capacity, and the loop of described inductance and electric capacity is provided with diode.
Connect light-guiding pillar on light-sensitive device by end product shell, make light-sensitive device detect ambient light intensity, be converted to the signal of telecommunication to digital to analog converter, then be converted to the electrical signal intensity that can identify to processor by digital to analog converter.Such control processor by analyte signal intensity, exports the square wave of the different duty of certain frequency, then the drive circuit consisted of resistance capacitance is to LED electrical pressure.
With reference to Fig. 3, give three diagrams, represent different light duty ratios and the relation of corresponding output voltage;
With reference to Fig. 4, a kind of using method of LED energy saver, comprises the following steps:
Step one, photosensory assembly detect ambient light, and export as the signal of telecommunication by ambient light;
Step 2, the signal of telecommunication in step one is delivered to controller detect, it is strong and weak that the signal of telecommunication analyzed by controller, and make the instruction whether carrying out regulating brightness;
If step 3 makes the instruction regulating brightness, then the duty ratio of controller regulation output signal, LED changes.LED wherein in step 3 is powered by voltage stabilizing circuit.
The present invention realizes indicator light and environmentally changes, automatic regulating lightness, facilitates user to identify product working status and plays energy-conserving action.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (3)
1. a LED energy saver, is characterized in that, comprising:
One photosensory assembly, external environment light, by light-guiding pillar, imports to photo resistance, the signal of telecommunication of exporting change by described photosensory assembly;
One digital to analog converter, the signal of telecommunication that output can be identified is to controller process;
One controller, for analyzing signal of telecommunication power, and exports different duty signal;
One reduction voltage circuit, the alternating voltage that outside is inputted through lowering and stabilizing blood pressure process after provide DC power supply for whole device;
And one drive circuit, this drive circuit exports rational voltage and constant current is powered to LED, and has over-voltage over-current protection function.
2. a kind of LED energy saver according to claim 1, is characterized in that, described photosensory assembly comprises the photoelectricity resistance be directly connected with digital to analog converter.
3. a kind of LED energy saver according to claim 1, it is characterized in that, described reduction voltage circuit is made up of inductance and electric capacity, and the loop of described inductance and electric capacity is provided with diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410539006.6A CN105578670A (en) | 2014-10-14 | 2014-10-14 | Energy saving device for LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410539006.6A CN105578670A (en) | 2014-10-14 | 2014-10-14 | Energy saving device for LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105578670A true CN105578670A (en) | 2016-05-11 |
Family
ID=55888185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410539006.6A Withdrawn CN105578670A (en) | 2014-10-14 | 2014-10-14 | Energy saving device for LED |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105578670A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106804073A (en) * | 2017-02-22 | 2017-06-06 | 郑州云海信息技术有限公司 | One kind automatically adjusts server indicator lamp brightness device |
| CN109779394A (en) * | 2019-01-03 | 2019-05-21 | 新开普电子股份有限公司 | A kind of door lock terminal based on virtual campus card |
| CN109862673A (en) * | 2017-11-30 | 2019-06-07 | 深圳Tcl新技术有限公司 | A kind of method, apparatus and storage medium of the standby lamp brightness of intelligent control |
-
2014
- 2014-10-14 CN CN201410539006.6A patent/CN105578670A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106804073A (en) * | 2017-02-22 | 2017-06-06 | 郑州云海信息技术有限公司 | One kind automatically adjusts server indicator lamp brightness device |
| CN109862673A (en) * | 2017-11-30 | 2019-06-07 | 深圳Tcl新技术有限公司 | A kind of method, apparatus and storage medium of the standby lamp brightness of intelligent control |
| CN109779394A (en) * | 2019-01-03 | 2019-05-21 | 新开普电子股份有限公司 | A kind of door lock terminal based on virtual campus card |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160511 |