CN202310197U - Control circuit capable of regulating color rendering index in energy-saving light emitting diode (LED) lamp - Google Patents
Control circuit capable of regulating color rendering index in energy-saving light emitting diode (LED) lamp Download PDFInfo
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- CN202310197U CN202310197U CN 201120385417 CN201120385417U CN202310197U CN 202310197 U CN202310197 U CN 202310197U CN 201120385417 CN201120385417 CN 201120385417 CN 201120385417 U CN201120385417 U CN 201120385417U CN 202310197 U CN202310197 U CN 202310197U
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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 provides a control circuit capable of regulating a color rendering index in an energy-saving light emitting diode (LED) lamp, and technically aims to provide a control circuit capable of regulating the color rendering index in the energy-saving LED lamp, which ensures excellent LED illumination consistency and can regulate the illuminant color temperature according to different requirements. The control circuit comprises a constant current power supply, wherein the constant current power supply is connected with a microprogrammed control unit (MCU) control chip; a pulse width modulation (PWM) 1 output end of the MCU control chip is connected with the constant current control circuit, and the constant current control circuit supplies electricity to a first LED module; a PWM2 output end of the MCU control chip is connected with another constant current control circuit, and the constant current control circuit supplies electricity to a second LED module; and a PWM3 output end of the MCU control circuit is connected with the constant current control circuit, and the constant current control circuit supplies electricity to a third LED module. The control circuit can improve the utilization rate of the LED, is energy-saving and environment-friendly, and is applicable to LED lamps.
Description
Technical field
The utility model relates to a kind of control circuit, in particular, relates to a kind of control circuit that is used for the adjustable color rendering index of energy-saving LED lamp.
Background technology
The control circuit of LED lamp of the prior art is a voltage stabilizing circuit, owing to LED because of the reason of silicon chip own, in producing a collection of finished product LED, have the LED of various different voltages; Even if LED product with a collection of finished product; The needed supply power voltage of each LED luminescent wafer also is discrepant, if at this moment the LED serial or parallel connection of different voltages is gone to drive with voltage stabilizing circuit together, the light that they send also can be different; Looking will light secretly differ varies in color, and the luminous consistency of LED lamp is poor.The technological deficiency that LED lamp control circuit of the prior art exists becomes those skilled in the art's technical problem anxious to be solved.
Summary of the invention
The technical purpose of the utility model is to overcome in the prior art, and the consistency difference of luminescent wafer caused light and shade inconsistent when the LED lamp was luminous, and is difficult to regulate the technical problem of light-emitting line; Provide the luminous consistency of a kind of LED good and can regulate the control circuit of adjustable color rendering index in the energy-saving LED lamp of light emission color temperature according to different requirement.
For realizing above technical purpose, the technical scheme of the utility model is
The control circuit of adjustable color rendering index in the energy-saving LED lamp; Include a constant-current supply; Constant-current supply is connected with the MCU control chip, and the PWM1 output of said MCU control chip connects constant-current control circuit, and constant-current control circuit is first group of LED module power supply; The PWM2 output of said MCU control chip connects another road constant-current control circuit; Constant-current control circuit is second group of LED module power supply, and the PWM3 output of said MCU control chip connects constant-current control circuit, and constant-current control circuit is the 3rd group of LED module power supply.
Further, said first group of LED module is the white light LEDs module, and said second group of LED module is the yellow light LED module, and said the 3rd group of LED module is the red-light LED module.
Further, said first group of LED module is the white light LEDs module, and said second group of LED module is the blue-ray LED module, and said the 3rd group of LED module is the red-light LED module.
Further, said first group of LED module is the white light LEDs module, and said second group of LED module is the green light LED module, and said the 3rd group of LED module is the red-light LED module.
Further, said first group of LED module is the white light LEDs module, said second group of LED module no-output, and said the 3rd group of LED module is the red-light LED module.
Further, said first group of LED module is the yellow light LED module, said second group of LED module no-output, and said the 3rd group of LED module is the red-light LED module.
Further, said first group of LED module is the blue-ray LED module, said second group of LED module no-output, and said the 3rd group of LED module is the red-light LED module.
Further, said first group of LED module is the green light LED module, said second group of LED module no-output, and said the 3rd group of LED module is the red-light LED module.
In the circuit of the utility model, be the constant-current supply driving with what stabilized voltage power supply that prior art adopted changed.Can control by corresponding key on the control panel that connects the MCU control chip; Also can control automatically by the software program that is input into the MCU control chip; Recently change the brightness of LED modules with different colors through the duty that changes each output; Thereby after the blend of colors of various different brightness, changed color rendering index, first group of LED module brightness that output PWM1 is controlled is down regulated from 90%, and second group of LED module brightness that output PWM2 is controlled is then from 9% past the rise; The LED brightness of PWM3 control is from 1% toward raising, and the brightness percentage sum of three groups of LED modules is set at 100%; Guaranteed that the light luminance that three groups of LED modules are sent is controlled at certain parameter, be unlikely to bright or dark excessively, only regulated color rendering index after its colour mixture of three groups.Perhaps output PWM3 no-output will produce different color rendering indexs after each light of organizing color mixes.
The useful technique effect of the utility model is: when using the LED of constant-current driving serial or parallel connection; Because of not receiving the restriction of voltage; So what each LED was luminous is consistent, the luminous high conformity of LED has guaranteed that the light luminance that three groups of LED modules are sent is controlled at certain parameter; Be unlikely to bright or dark excessively, only regulated color rendering index after its colour mixture of three groups; Improve the utilization rate of LED, more energy-conservation more environmental protection.
Description of drawings
Fig. 1 is the schematic block circuit diagram of an embodiment of the utility model.
Embodiment
In conjunction with Fig. 1, specify the practical implementation examination of the utility model, but claim is not done any qualification.
The control circuit of adjustable color rendering index in the energy-saving LED lamp; Include a constant-current supply; Constant-current supply is connected with the MCU control chip, and the PWM1 output of said MCU control chip connects constant-current control circuit, and constant-current control circuit is first group of LED module power supply; The PWM2 output of said MCU control chip connects another road constant-current control circuit; Constant-current control circuit is second group of LED module power supply, and the PWM3 output of said MCU control chip connects constant-current control circuit, and constant-current control circuit is the 3rd group of LED module power supply.
In force, each is organized, and the LED module is luminous can select following combination: 1, and said first group of LED module is the white light LEDs module, and said second group of LED module is the yellow light LED module, and said the 3rd group of LED module is the red-light LED module.2, said first group of LED module is the white light LEDs module, and said second group of LED module is the blue-ray LED module, and said the 3rd group of LED module is the red-light LED module.3, said first group of LED module is the white light LEDs module, and said second group of LED module is the green light LED module, and said the 3rd group of LED module is the red-light LED module.4, said first group of LED module is the white light LEDs module, said second group of LED module no-output, and said the 3rd group of LED module is the red-light LED module.5, said first group of LED module is the yellow light LED module, said second group of LED module no-output, and said the 3rd group of LED module is the red-light LED module.6, said first group of LED module is the blue-ray LED module, said second group of LED module no-output, and said the 3rd group of LED module is the red-light LED module.7, said first group of LED module is the green light LED module, said second group of LED module no-output, and said the 3rd group of LED module is the red-light LED module.
In a word, the utility model improves light that LED sends because of voltage the is inconsistent problem that secretly differs.The luminous consistency of LED is high, thereby improves the utilization rate of LED, more energy-conservation more environmental protection, be one of this area not only practical but also novel technological improvement.
Claims (8)
1. the control circuit of adjustable color rendering index in the energy-saving LED lamp; It is characterized in that: include a constant-current supply; Constant-current supply is connected with the MCU control chip, and the PWM1 output of said MCU control chip connects constant-current control circuit, and constant-current control circuit is first group of LED module power supply; The PWM2 output of said MCU control chip connects another road constant-current control circuit; Constant-current control circuit is second group of LED module power supply, and the PWM3 output of said MCU control chip connects constant-current control circuit, and constant-current control circuit is the 3rd group of LED module power supply.
2. the control circuit of adjustable color rendering index in the energy-saving LED lamp according to claim 1 is characterized in that: said first group of LED module is the white light LEDs module, and said second group of LED module is the yellow light LED module, and said the 3rd group of LED module is the red-light LED module.
3. the control circuit of adjustable color rendering index in the energy-saving LED lamp according to claim 1 is characterized in that: said first group of LED module is the white light LEDs module, and said second group of LED module is the blue-ray LED module, and said the 3rd group of LED module is the red-light LED module.
4. the control circuit of adjustable color rendering index in the energy-saving LED lamp according to claim 1 is characterized in that: said first group of LED module is the white light LEDs module, and said second group of LED module is the green light LED module, and said the 3rd group of LED module is the red-light LED module.
5. the control circuit of adjustable color rendering index in the energy-saving LED lamp according to claim 1 is characterized in that: said first group of LED module is the white light LEDs module, said second group of LED module no-output, and said the 3rd group of LED module is the red-light LED module.
6. the control circuit of adjustable color rendering index in the energy-saving LED lamp according to claim 1 is characterized in that: said first group of LED module is the yellow light LED module, said second group of LED module no-output, and said the 3rd group of LED module is the red-light LED module.
7. the control circuit of adjustable color rendering index in the energy-saving LED lamp according to claim 1 is characterized in that: said first group of LED module is the blue-ray LED module, said second group of LED module no-output, and said the 3rd group of LED module is the red-light LED module.
8. the control circuit of adjustable color rendering index in the energy-saving LED lamp according to claim 1 is characterized in that: said first group of LED module is the green light LED module, said second group of LED module no-output, and said the 3rd group of LED module is the red-light LED module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120385417 CN202310197U (en) | 2011-10-11 | 2011-10-11 | Control circuit capable of regulating color rendering index in energy-saving light emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120385417 CN202310197U (en) | 2011-10-11 | 2011-10-11 | Control circuit capable of regulating color rendering index in energy-saving light emitting diode (LED) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202310197U true CN202310197U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120385417 Expired - Fee Related CN202310197U (en) | 2011-10-11 | 2011-10-11 | Control circuit capable of regulating color rendering index in energy-saving light emitting diode (LED) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202310197U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102438360A (en) * | 2011-10-11 | 2012-05-02 | 胡爱斌 | Control circuit capable of regulating color rendering index for energy-saving light-emitting diode (LED) lamp |
-
2011
- 2011-10-11 CN CN 201120385417 patent/CN202310197U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102438360A (en) * | 2011-10-11 | 2012-05-02 | 胡爱斌 | Control circuit capable of regulating color rendering index for energy-saving light-emitting diode (LED) lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Di Lang Photoelectric Co., Ltd. of Shenzhen Assignor: Hu Aibin Contract record no.: 2012440020205 Denomination of utility model: Control circuit capable of regulating color rendering index for energy-saving light-emitting diode (LED) lamp Granted publication date: 20120704 License type: Exclusive License Record date: 20120725 |
|
| 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: 20120704 Termination date: 20171011 |