CN203151796U - Novel light dimming device for LED lamps - Google Patents
Novel light dimming device for LED lamps Download PDFInfo
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- CN203151796U CN203151796U CN201220723771XU CN201220723771U CN203151796U CN 203151796 U CN203151796 U CN 203151796U CN 201220723771X U CN201220723771X U CN 201220723771XU CN 201220723771 U CN201220723771 U CN 201220723771U CN 203151796 U CN203151796 U CN 203151796U
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- 239000003086 colorant Substances 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
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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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Abstract
The utility model relates to a novel light dimming device for LED lamps, which comprises red, green and blue LED lamps, a computer, a singlechip, a power amplification circuit, a D/A converter and a series-to-parallel conversion device. The singlechip is connected with the computer through a serial communication interface; the singlechip transmits data to the three-way D/A converter, and controls the red, green and blue LED lamps through the power amplification circuit, thereby controlling the emitting color and the brightness of the LED lamps; and the singlechip controls two output terminals to output serial signals by taking CLK as a reference, and controls the red, green and blue LED lamps through the series-to-parallel conversion device, thereby turning on the LED lamps and controlling figures and patterns. The novel light dimming device provided by the utility model can realize wide-range and high-precision regulation on the lighting color and the brightness of semiconductors. Meanwhile, a plurality of LEDs can be controlled by one set of device through a series-to-parallel conversion scanning mode, and arbitrary static and dynamic patterns or images can be formed on the basis of high-precision light control and color control of the light diming device.
Description
Technical field
The utility model relates to LED light fixture control field, especially relates to a kind of Novel LED light light adjusting and controlling device.
Background technology
Development along with led technology, the LED illumination is because its long-life, the advantage of aspects such as low-power consumption and color are controlled, make it demonstrate more and more widely application prospect and development potentiality at aspects such as the illumination of Landscape Lighting, board and large screen displays, but at present the LED light fixture is in light conversion aspect shortcoming to some extent also, and actual effect is unsatisfactory easily at the light intensity of control LED and color for existing equipment.
Realize that at present the LED illumination has three kinds of mainstream technology routes, (1) based on the principle of three primary colours, utilize red, green, blue three-primary color LED synthesize white light, (2) utilize ultraviolet LED to excite three primary colors fluorescent powder, by the synthesize white light that fluorescent material sends, (3) adopt blue-ray LED to excite gold-tinted fluorescent material to realize binary colour mixture white light.By contrast, adopt the three-primary color LED mixed white light, the white-light spectrum that can realize ideal not only, and light source colour is adjustable, its color that not only can adapt to white light is required than higher illumination occasion, and can be adapted to shades of colour and brightness constantly variation and the higher occasion of precision prescribed by certain automatic control drive circuit.
Summary of the invention
The invention is intended to provide a kind of Novel LED light light modulating device, by control circuit the brightness of three-color light-emitting LED is regulated, the color of the synthetic light behind its scioptics and brightness are all with adjustable.
The technical problem to be solved in the present invention is achieved through the following technical solutions.
A kind of Novel LED light light modulating device comprises the red, green, blue three-color LED light; It also comprises computer, single-chip microcomputer, power amplification circuit, D/A converter, deserializer spare; Described single-chip microcomputer links to each other with computer by serial communication interface; Single-chip microcomputer transfers data to three road D/A converters, controls the red, green, blue three-color LED light respectively through power amplification circuit, thus glow color and the brightness of control LED lamp; Two lead-out terminals of Single-chip Controlling are benchmark output serial signal with CLK, through deserializer spare control red, green, blue three-color LED light, thereby light the LED lamp and figure, pattern are controlled.
Further, described serial communication interface adopts the rs-232 standard bus to be connected with computer, thereby needed pattern or literal in the computer can be sent to this device and show.
Further, described single-chip microcomputer adopts 87LPC762 type single-chip microcomputer.
Further, described D/A converter is the transducer that adopts the AD558 chip.
Further, described single-chip microcomputer is connected with the DB0-DB7 pin of AD558 chip by the P0 mouth.Thereby realize the parallel data transmission, control the height of AD558 output voltage with this, output voltage is by the monochromatic luminous intensity of power amplification control LED.Because AD558 is 8 D/A conversion chip, when therefore controlling three primary colors respectively by three road D/A, it can be divided into 2 respectively with the red, green, blue in the three primary colors
8=256 parts of outputs are if can maximumly form 256 with the three primary colors combination in any
3The combination resolution of=16777216 colors and brightness, any needed resolution value in the setting by software data can arrange to greatest extent according to actual needs.
Further, described deserializer spare is 74LS164 type switching device, and its output Q0-Q7 pin is connected with the common port of red, green, blue three-color LED light respectively.
Adopt technique scheme, can realize semiconductor lighting colour and brightness wide region, high-precision adjusting, by string and conversion scan mode one covering device can be controlled to a plurality of LED respectively simultaneously, realize that it can form quiet, dynamic pattern or picture arbitrarily on the basis of high accuracy control light and control look.Carry out pattern and test in 8 hours is carried out in color, brightness by the matrix that actual fabrication experimental model 128X64LED is formed, show that the LED central light strength is stabilized in 280lx (lx: the lux), along with the decay of the rising central light strength of LED temperature is lower than 3%, the control that has reached expection requires level.
Description of drawings
Fig. 1 is the connection diagram of general structure of the present invention.
The principle schematic that Fig. 2 adjusts for light color of the present invention.
Fig. 3 lights the scanning theory schematic diagram respectively for multiple spot LED of the present invention.
Embodiment
Further set forth design feature of the present invention below in conjunction with accompanying drawing and specific embodiment.
A kind of Novel LED light light modulating device comprises the red, green, blue three-color LED light; It also comprises computer, single-chip microcomputer, power amplification circuit, D/A converter, deserializer spare; Described single-chip microcomputer links to each other with computer by serial communication interface; Single-chip microcomputer transfers data to three road D/A converters, controls the red, green, blue three-color LED light respectively through power amplification circuit, thus glow color and the brightness of control LED lamp; Two lead-out terminals of Single-chip Controlling are benchmark output serial signal with CLK, through deserializer spare control red, green, blue three-color LED light, thereby light the LED lamp and figure, pattern are controlled.Described serial communication interface adopts the rs-232 standard bus to be connected with computer.Described single-chip microcomputer adopts 87LPC762 type single-chip microcomputer.Described D/A converter is the transducer that adopts the AD558 chip.Described single-chip microcomputer is connected with the DB0-DB7 pin of AD558 chip by the P0 mouth.Described deserializer spare is 74LS164 type switching device, and its output Q0-Q7 pin is connected with the common port of red, green, blue three-color LED light respectively.
Adopt technique scheme, can realize semiconductor lighting colour and brightness wide region, high-precision adjusting, by string and conversion scan mode one covering device can be controlled to a plurality of LED respectively simultaneously, realize that it can form quiet, dynamic pattern or picture arbitrarily on the basis of high accuracy control light and control look.Carry out pattern and test in 8 hours is carried out in color, brightness by the matrix that actual fabrication experimental model 128X64LED is formed, show that the LED central light strength is stabilized in 280lx (lx: the lux), along with the decay of the rising central light strength of LED temperature is lower than 3%, the control that has reached expection requires level.
The above execution mode has only been expressed one embodiment of the present invention, but can not therefore be interpreted as limitation of the scope of the invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
Claims (6)
1. a Novel LED light light modulating device comprises the red, green, blue three-color LED light; It is characterized in that: it also comprises computer, single-chip microcomputer, power amplification circuit, D/A converter, deserializer spare; Described single-chip microcomputer links to each other with computer by serial communication interface; Single-chip microcomputer transfers data to three road D/A converters, controls the red, green, blue three-color LED light respectively through power amplification circuit, thus glow color and the brightness of control LED lamp; Two lead-out terminals of Single-chip Controlling are benchmark output serial signal with CLK, through deserializer spare control red, green, blue three-color LED light, thereby light the LED lamp and figure, pattern are controlled.
2. a kind of Novel LED light light modulating device according to claim 1 is characterized in that: described serial communication interface adopts the rs-232 standard bus to be connected with computer.
3. a kind of Novel LED light light modulating device according to claim 1 is characterized in that: described single-chip microcomputer employing 87LPC762 type single-chip microcomputer.
4. according to claim 1 or 3 described a kind of Novel LED light light modulating devices, it is characterized in that: described D/A converter is the transducer that adopts the AD558 chip.
5. a kind of Novel LED light light modulating device according to claim 4 is characterized in that: described single-chip microcomputer is connected with the DB0-DB7 pin of AD558 chip by the P0 mouth.
6. a kind of Novel LED light light modulating device according to claim 1, it is characterized in that: described deserializer spare is 74LS164 type switching device, its output Q0-Q7 pin is connected with the common port of red, green, blue three-color LED light respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220723771XU CN203151796U (en) | 2012-12-26 | 2012-12-26 | Novel light dimming device for LED lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220723771XU CN203151796U (en) | 2012-12-26 | 2012-12-26 | Novel light dimming device for LED lamps |
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| Publication Number | Publication Date |
|---|---|
| CN203151796U true CN203151796U (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220723771XU Expired - Fee Related CN203151796U (en) | 2012-12-26 | 2012-12-26 | Novel light dimming device for LED lamps |
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| Country | Link |
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| CN (1) | CN203151796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049598A (en) * | 2019-05-08 | 2019-07-23 | 赣州市众恒光电科技有限公司 | A kind of three colour temperature light projector circuit for lamp |
| CN111449612A (en) * | 2020-05-07 | 2020-07-28 | 扬州大学附属医院 | L ED oral cavity lamp for dental comprehensive treatment table |
-
2012
- 2012-12-26 CN CN201220723771XU patent/CN203151796U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110049598A (en) * | 2019-05-08 | 2019-07-23 | 赣州市众恒光电科技有限公司 | A kind of three colour temperature light projector circuit for lamp |
| CN110049598B (en) * | 2019-05-08 | 2024-02-09 | 赣州市众恒光电科技有限公司 | Three-color temperature projection lamp circuit |
| CN111449612A (en) * | 2020-05-07 | 2020-07-28 | 扬州大学附属医院 | L ED oral cavity lamp for dental comprehensive treatment table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BINZHOU ZHONGJIE NEW ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: WANG XIANGJIE Effective date: 20130917 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130917 Address after: 256500 Boxing economic and Technological Development Zone, Shandong Patentee after: CSE SOLAR TECHNOLOGY CO., LTD. Address before: 201 room 256500, block F, Boxing economic and Technological Development Zone, Shandong Patentee before: Wang Xiangjie |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20151226 |
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| EXPY | Termination of patent right or utility model |