CN201563265U - Solar-like spectrum LED dimming device - Google Patents
Solar-like spectrum LED dimming device Download PDFInfo
- Publication number
- CN201563265U CN201563265U CN2009202132353U CN200920213235U CN201563265U CN 201563265 U CN201563265 U CN 201563265U CN 2009202132353 U CN2009202132353 U CN 2009202132353U CN 200920213235 U CN200920213235 U CN 200920213235U CN 201563265 U CN201563265 U CN 201563265U
- Authority
- CN
- China
- Prior art keywords
- control chip
- spectrum led
- solar
- solar spectrum
- driver module
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a solar-like spectrum LED dimming device belonging to the field of illumination control. The dimming device consists of a control chip, a communication interface, a dimming drive module and a solar-like spectrum LED device. The power end of the control chip and the common positive electrode of the solar-like spectrum LED device are respectively connected with a voltage input positive electrode, the control pin of the control chip is connected with the MOS ( metal oxide semiconductor) tube grid electrode of the dimming drive module, a communication interface is arranged on the control chip, the ground pin voltage input negative electrode of the control chip is connected with the ground pin of the dimming drive module, and the negative electrode of the solar-like spectrum LED device is connected with the input end of the dimming drive module. The utility model produces solar-like white light of different luminous fluxes and different color temperatures by controlling radiation fluxes in various color chips so as to simulate various illumination situations. The utility model adopts multiple single color lights in the visible light range to mix white light and achieves ideal solar-like spectrum output by individually controlling various single color chips and adjusting the light output to a certain ratio.
Description
Technical field
The utility model belongs to LED lighting control technique field, has been specifically related to the light modulating device of a kind solar spectrum LED.
Background technology
Be used to the LED device that throws light on now, the pattern of almost completely having used yellow fluorescent powder to add blue light produces white light, though its color rendering is high more a lot of than the high-pressure sodium lamp that conventional road lamp uses, the incandescent lamp of comparing the traditional lighting use is low.And this mode is when producing the white light of low colour temperature, its color substantial deviation blackbody radiance curve, nature very can't produce the white light of the low colour temperature of the high color temperature white light of the human similar sunlight of being accustomed to and flame or candle light in evolution.Therefore how to produce the white light of high-color rendering, high-quality white light becomes the key point that LED enters general lighting under the especially low colour temperature.Method that CREE at first adopts high color temperature white light LED to add red monochromatic light LED in same light fixture has obtained color rendering greater than 90 white light.OSRAM researched and developed the white light technology that adds green and red fluorescence powder based on blue-ray LED, obtained color rendering equally greater than 90 white light.The both is based on the fluorescent material technology, however the lower energy photon that adopts high-energy photon fluorescent material to excite mix and produce white light, even launching efficiency is 100% also will inevitably off-energy.And the encapsulating structure of the LED of this kind solar spectrum, it comprises the sunlight that more multispectral one-tenth assigns to simulate continuous spectrum with multiple color LED, has more the color rendering near sunlight, and LED is luminous without the direct outgoing of fluorescent material energy loss still less.Therefore the utility model has designed control device at the LED of this kind solar spectrum, and it can independently control its radiant flux to the LED of every kind of color, the final sunlight effect that realizes under the simulation different-colour.
Summary of the invention
The purpose of this utility model is to propose the light modulating device of a kind solar spectrum LED.
The light modulating device of the class solar spectrum LED that the utility model proposes, by control chip 1, communication interface 2, light modulation driver module 3 and class solar spectrum LED device 4 are formed, wherein: the common anode of the power end of control chip 1 and class solar spectrum LED device 4 is connected the positive pole of voltage input respectively, the control pin of control chip 1 connects the metal-oxide-semiconductor grid of light modulation driver module 3, control chip 1 is provided with communication interface 2, the negative pole of the lower margin voltage input of control chip 1 connects the lower margin of light modulation driver module 3, and the negative electrode of class solar spectrum LED device 4 connects the input of light modulation driver module 3.
The utility model has comprised control chip 1 and light modulation driver module 3 two parts.The control data that to form the solar spectrum of various colour temperatures in 1 in the core of control in advance, these control data correspondences the size of current of different monochromatic chips.Control chip 1, is read the pre-deposit data of specific colour temperature when receiving control signal corresponding by communication interface 2 and extraneous communication, and then the outside driver module of control, regulates the electric current that outputs to chip.Outside light modulation driver module 3 is accepted the control of control chip 1, regulate output current in modes such as pulse width modulation or simulation light modulations, and then make and the radiant flux ratio of each monochromatic chip and the requirement that total light flux satisfies control chip finally can mix the light that obtains the class solar spectrum.
The utility model includes a control chip 1, and chip internal has corresponding under the different-colour lower class sunlight, the current ratio data of various monochromatic chips.
Control chip 1 of the present utility model can be regulated the absolute value of output current under the situation that guarantees output current ratio unanimity, realize regulating the purpose of output radiation flux magnitude.
During this was practical, control chip can be according to the communication interface of reserving, and for example form such as I2C or SPI is communicated by letter with the external world, accepts extraneous dim signal.
In the utility model, class solar spectrum LED device 4 is made up of several monochromatic chips, and each monochromatic chip connects a light modulation driver module 3, and the quantity of light modulation driver module 3 is identical with the quantity of monochromatic chip.
The utility model includes corresponding to monochromatic chip species number purpose light modulation driver module 3, and each light modulation driver module 3 can be according to the Signal Regulation output current size of control chip 1.
In the utility model, light modulation driver module 3 can be various in order to the mode of regulating electric current, for example pulse width modulation, the mode of identical purposes such as simulation light modulation.
The beneficial effects of the utility model are: by chip control integrated, add succinct external drive circuit, thereby realize the light modulation work of class white light LEDs, and support upper machine communication, accept external signal as the light modulation foundation, it is intelligent to meet following illumination, the development trend of hommization.
Description of drawings
Fig. 1 is the structural representation of control device
Number in the figure: the 1st, control chip, the 2nd, communication interface, the 3rd, light modulation driver module, 4 class solar spectrum LED devices.
Specific implementation method
Further specify the utility model in conjunction with the accompanying drawings below by embodiment, in the following detailed description and preferred embodiment that provides, can understand more comprehensively the utility model, these explanations and accompanying drawing are not limited in specific embodiment, and just play the effect of explaining and understanding.
Embodiment 1: the led chip of class solar spectrum LED device 4 inside adopts the connection of anode altogether.During connection, the common anode of the power end of control chip 1 and LED device is received on the positive pole of voltage input together, the negative electrode of the monochromatic chip of class solar spectrum LED device 4 is received the input of light modulation driver module 3, the lower margin of light-adjusting module, and the negative pole of the lower margin voltage input of control chip links to each other.The control pin of control chip 1 is received on the metal-oxide-semiconductor grid of light modulation driver module, and the sampling pin is connected on the sampling resistor of light modulation driver module 3.The communication interface 2 of control chip reservation simultaneously can be accepted outside control signal.
The course of work of the present utility model is as follows, and control chip 1 receives outside dim signal, and requirement will be exported the sunlight that optical mode is intended a certain specific colour temperature, and output is maintained a certain luminous flux.This moment, chip was read the corresponding light modulation data of inner ROM storage, and promptly the input current ratio of each monochromatic chip again according to the requirement of output light flux, obtains the ultimate current value of the monochromatic chip in every road.Chip with adopt on this current value and the external dimmer module instant current value do contrast, regulate output current to ideal value by the variation of metal-oxide-semiconductor duty cycle of switching.Chip together with the time control all monochromatic chip currents and reach the anticipation value, the class sunlight output that can obtain wanting.
Claims (4)
1. the light modulating device of a kind solar spectrum LED, by control chip (1), communication interface (2), light modulation driver module (3) and class solar spectrum LED device (4) are formed, it is characterized in that the power end of control chip (1) and the common anode of class solar spectrum LED device (4) are connected the positive pole that voltage is imported respectively, the control pin of control chip (1) connects the metal-oxide-semiconductor grid of light modulation driver module (3), control chip (1) is provided with communication interface (2), the negative pole of the lower margin voltage input of control chip (1) connects the lower margin of light modulation driver module (3), and the negative electrode of class solar spectrum LED device (4) connects the input of light modulation driver module (3).
2. the light modulating device of class solar spectrum LED according to claim 1 is characterized in that described communication interface (2) is I2C or SPI.
3. the light modulating device of class solar spectrum LED according to claim 1, it is characterized in that class solar spectrum LED device (4) is made up of several monochromatic chips, each monochromatic chip connects a light modulation driver module (3), and the quantity of light modulation driver module (3) is identical with the quantity of monochromatic chip.
4. the light modulating device of class solar spectrum LED according to claim 1 is characterized in that described light modulation driver module (3) adopts pulse width modulation to regulate electric current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202132353U CN201563265U (en) | 2009-12-17 | 2009-12-17 | Solar-like spectrum LED dimming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202132353U CN201563265U (en) | 2009-12-17 | 2009-12-17 | Solar-like spectrum LED dimming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201563265U true CN201563265U (en) | 2010-08-25 |
Family
ID=42628414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202132353U Expired - Fee Related CN201563265U (en) | 2009-12-17 | 2009-12-17 | Solar-like spectrum LED dimming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201563265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588083A (en) * | 2021-07-14 | 2021-11-02 | 上海机电工程研究所 | Multispectral scene simulation device and method |
-
2009
- 2009-12-17 CN CN2009202132353U patent/CN201563265U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588083A (en) * | 2021-07-14 | 2021-11-02 | 上海机电工程研究所 | Multispectral scene simulation device and method |
| CN113588083B (en) * | 2021-07-14 | 2024-04-05 | 上海机电工程研究所 | Multispectral scene simulation device and multispectral scene simulation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101790264B (en) | Method for light-adjusting solar spectrum-like LED | |
| CN101801140B (en) | Method for obtaining high-development adjustable color temperature white light by white light and red, green and blue LED combination | |
| CN101808451B (en) | Method for obtaining high-development adjustable color temperature white light by white and red and blue LED combination | |
| CN101815381B (en) | Method for obtaining high-color rendering white light by using white-light LED and red-light LED with fixed fluorescent powder proportioning ratios | |
| CN102858056A (en) | Brightness and color temperature controlling system for LED (light-emitting diode) lamp | |
| CN105240748A (en) | LED plant-growth lamp with continuous spectrum | |
| CN202721868U (en) | LED lamp brightness and color temperature control system | |
| CN106678575A (en) | Lamp device and light emitting module block | |
| CN110388612A (en) | Color temperature-tunable LED light strand and the LED filament lamp for using the LED light strand | |
| CN101808452A (en) | Method for acquiring high color rendering LED white light by using combination of white light LED and red light LED | |
| CN202598208U (en) | White light light-emitting diode (LED) with adjustable color-temperature and color-rendering index | |
| CN204929313U (en) | Luminous controlling means of LED lamps and lanterns and system | |
| CN101764067A (en) | Method for encapsulating similar solar spectrum LED | |
| CN203560760U (en) | LED plant lamp tube | |
| CN201326923Y (en) | Multifunctional LED illuminator | |
| CN103079305B (en) | Light-emitting diode (LED) illuminating device and light regulation method thereof | |
| CN201563265U (en) | Solar-like spectrum LED dimming device | |
| CN201995168U (en) | Light emitting diode (LED) spot light capable of automatically regulating color temperature | |
| CN203827567U (en) | Light-and-color-adjustable LED circuit | |
| CN203071067U (en) | Anti-dazzling color temperature adjustable high-voltage LED lamp bead and lamp formed by same | |
| CN202992741U (en) | Light-emitting diode (LED) lamp capable of adjusting light and color synchronously | |
| CN201992366U (en) | Light-adjustable LED lamp | |
| CN209960288U (en) | LED light-emitting system and lamp | |
| CN201866600U (en) | LED backlight source lamp | |
| CN203202760U (en) | LED light supplement lamp bar for plants |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Han Kai Inventor after: Liu Muqing Inventor after: Sheng Xiaobo Inventor after: Hao Jingru Inventor after: Jiang Cheng Inventor after: Chen Lu Inventor before: Han Kai Inventor before: Liu Muqing Inventor before: Sheng Xiaobo Inventor before: Hao Jingru Inventor before: Jiang Cheng Inventor before: Chen Lu |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20121217 |