CN203298231U - Three-color LED (light-emitting diode) array control circuit - Google Patents
Three-color LED (light-emitting diode) array control circuit Download PDFInfo
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- CN203298231U CN203298231U CN2013202214523U CN201320221452U CN203298231U CN 203298231 U CN203298231 U CN 203298231U CN 2013202214523 U CN2013202214523 U CN 2013202214523U CN 201320221452 U CN201320221452 U CN 201320221452U CN 203298231 U CN203298231 U CN 203298231U
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- 230000001105 regulatory effect Effects 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241001025261 Neoraja caerulea Species 0.000 description 1
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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
本实用新型涉及一种三色LED阵列控制电路,包括：由若干三色LED芯片构成的三色LED阵列，输出调节LED发光亮度的PWM信号的单片机控制模块，与所述单片机控制模块相连的根据所述PWM信号输出相应LED驱动电流的恒流控制模块，行驱动模块；所述三色LED阵列的列控制输入端与所述恒流控制模块相连；所述三色LED阵列的行控制输入端与所述行驱动模块相连；本实用新型采用PWM控制恒流控制芯片以输出相应的电流来调节三色LED中各色的发光亮度，以合成多种颜色，可靠性好。
The utility model relates to a three-color LED array control circuit, comprising: a three-color LED array composed of a plurality of three-color LED chips, a single-chip microcomputer control module that outputs PWM signals for adjusting LED luminous brightness, and a basis for connecting the single-chip microcomputer control module The PWM signal outputs a constant current control module corresponding to the LED drive current, a row drive module; the column control input terminal of the three-color LED array is connected to the constant current control module; the row control input terminal of the three-color LED array It is connected with the row drive module; the utility model adopts PWM to control the constant current control chip to output corresponding current to adjust the luminance of each color in the three-color LED to synthesize multiple colors, and has good reliability.
Description
Technical field
The utility model relates to a kind of three-color LED LED-lattice Control circuit.
Background technology
additive mixing based on the principle of three primary colours is the effective way that a kind of LED light source produces, the three primary colours additive mixing refers to utilize red-light LED, green light LED and blue-ray LED carry out mixed light, produce various lighting colours, learn according to International Commission on Illumination (CIE) chromatic diagram, the proportional quantities r(λ of the color of light and three primary colours), g(λ), b(λ) light is arranged, and r(λ satisfies condition)+g(λ)+b(λ)=1, therefore, the three primary colours additive mixing not only can be realized brightness regulation by the pulsewidth that changes LED circuit, and the ratio that can change according to user's hobby the three primary colours lumen obtains the color adjustment of LED.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of three-color LED LED-lattice Control circuit of three-color LED array with the demonstration full color that be suitable for controlling.
In order to solve the problems of the technologies described above, the utility model provides a kind of three-color LED antenna array control circuit, comprise: the three-color LED array that is formed by some three-color LED chips, the single chip control module of the pwm signal of LED luminosity is regulated in output, the constant-current control module according to the corresponding LED drive current of described pwm signal output that is connected with described single chip control module, the row driver module; The row control input end of described three-color LED array is connected with described constant-current control module; The capable control input end of described three-color LED array is connected with described row driver module.
Further, described constant-current source module comprises some constant-current source chips; In described three-color LED array, form three common ports after the current output terminal of each homochromy LED in the three-color LED chip of same row is connected as described row control input end, these three common ports are connected with the constant current end of first, second, and third constant current control chip respectively; The current input terminal of each LED in the three-color LED chip of each row is connected with the corresponding line control end of row driver module respectively as the row control input end; The described pwm signal of PWM control input end access of described constant-current source chip.
Technique scheme of the present utility model has the following advantages compared to existing technology: (1) is adopted PWM to control the constant current control chip and is regulated luminosity of all kinds in three-color LED to export corresponding electric current, and with synthetic multiple color, circuit is simple, good reliability; (2) utilize Single-chip Controlling to reduce cost of manufacture.
Description of drawings
For content of the present utility model is more likely to be clearly understood, below the specific embodiment and by reference to the accompanying drawings of basis, the utility model is described in further detail, wherein
The control block diagram of Fig. 1 three-color LED LED-lattice Control of the present utility model circuit;
The structural representation of Fig. 2 three-color LED array of the present utility model;
Wherein, the first constant current control chip 1, the second constant current control chip 2, the three constant current control chips 3.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated:
See Fig. 1 and 2, a kind of three-color LED antenna array control circuit, comprise: the three-color LED array that is formed by some three-color LED chips, the single chip control module of the pwm signal of LED luminosity is regulated in output, the constant-current control module according to the corresponding LED drive current of described pwm signal output that is connected with described single chip control module, the row driver module; The row control end of described three-color LED array is connected with constant-current control module; The capable control input end of described three-color LED array is connected with described row driver module.
Described constant-current source module comprises some constant-current source chips; In described three-color LED array, after being connected, the current output terminal of each homochromy LED in the three-color LED chip of same row forms three common ports as described row control input end, these three common ports are connected with the first constant current control chip 1, the second constant current control chip 2 and the constant current end of the 3rd constant current control chip 3 respectively, clear for the sake of simplicity, the corresponding constant current control chip of other row does not mark; The current input terminal of each LED in the three-color LED chip of each row is connected with the corresponding line control end of row driver module respectively as the row control input end; The described pwm signal of PWM control input end access of described constant-current source chip.
Described single chip control module comprises a plurality of PWM control output ends in order to the glow color brightness of regulating corresponding LED that are connected with the PWM control input end of each constant current control chip respectively; This single chip control module equally also can adopt FPGA or ARM output PWM also to realize same function.
Described constant current control chip can adopt NUD4001 family chip or MBI5035 chip.
This circuit can also be used for controlling the electronic clock that is comprised of the three-color LED array.
Obviously, above-described embodiment is only for the utility model example clearly is described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And these belong to apparent variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202214523U CN203298231U (en) | 2013-04-26 | 2013-04-26 | Three-color LED (light-emitting diode) array control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202214523U CN203298231U (en) | 2013-04-26 | 2013-04-26 | Three-color LED (light-emitting diode) array control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN203298231U true CN203298231U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013202214523U Expired - Fee Related CN203298231U (en) | 2013-04-26 | 2013-04-26 | Three-color LED (light-emitting diode) array control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338008A (en) * | 2016-08-24 | 2017-01-18 | 电子科技大学 | Wide spectrum light source with adjustable wavelength |
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2013
- 2013-04-26 CN CN2013202214523U patent/CN203298231U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106338008A (en) * | 2016-08-24 | 2017-01-18 | 电子科技大学 | Wide spectrum light source with adjustable wavelength |
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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: ZHONGTU ENERGY CONSERVATION TECHNOLOGY (CHANGZHOU) Free format text: FORMER OWNER: CHANGZHOU INSTITUTE OF LIGHT INDUSTRY TECHNOLOGY Effective date: 20140626 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140626 Address after: 213000 Jiangsu city of Changzhou Province Yangtze River Road No. 25 new North Sanjing Industrial Park Patentee after: China energy saving science and Technology (Changzhou) Co., Ltd. Address before: 213000 Changzhou Province, Wujin District, the new Ming Road, No. 8, No. Patentee before: Changzhou Institute of Light Industry Technology |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160426 Address after: 213000, building 2, building 18, Huashan Road, Xinbei District, Jiangsu, Changzhou, -2 Patentee after: Changzhou spring photoelectric Co., Ltd. Address before: 213000 Jiangsu city of Changzhou Province Yangtze River Road No. 25 new North Sanjing Industrial Park Patentee before: China energy saving science and Technology (Changzhou) Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20200426 |