CN202285444U - Control circuit for adjusting color temperature in energy-saving LED lamp - Google Patents
Control circuit for adjusting color temperature in energy-saving LED lamp Download PDFInfo
- Publication number
- CN202285444U CN202285444U CN 201120385441 CN201120385441U CN202285444U CN 202285444 U CN202285444 U CN 202285444U CN 201120385441 CN201120385441 CN 201120385441 CN 201120385441 U CN201120385441 U CN 201120385441U CN 202285444 U CN202285444 U CN 202285444U
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- led module
- group
- control circuit
- led
- energy
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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
Abstract
The utility model discloses a control circuit for adjusting the color temperature in an energy-saving LED (Light Emitting Diode) lamp, and technically aims at providing the control circuit for adjusting the color temperature in the energy-saving LED lamp, wherein, the luminous uniformity of an LED is good, and the luminous color temperature can be adjusted according to different requirements. The control circuit comprises a constant-current power supply, wherein, the constant-current power supply is connected with an MCU (Microprogrammed Control Unit) control chip; a PWM1 (Pulse-Width Modulation 1) output end of the MCU control chip is connected with a constant-current control circuit which supplies electricity to a first LED die set; and a PWM2 output end of the MCU control chip is connected with another constant-current control circuit which supplies electricity to a second colored light LED die set. The control circuit achieves good luminous uniformity of the LED, can adjust the color temperature of light rays according to different requirements, and is suitable for being applied 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 the energy-saving LED lamp is regulated colour temperature that is used for.
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 regulating colour temperature 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
Regulate the control circuit of colour temperature 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, and constant-current control circuit is second group of coloured light LED module power supply.
Further, said first group of LED module is the white light LEDs module, said second group of LED module is the yellow light LED module.
Further, said first group of LED module is the white light LEDs module, said second group of LED module is the green light LED module.
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.
Said first group of LED module is the yellow light LED module, and said second group of LED module is the blue-ray LED module.
Said first group of LED module is the green light LED module, and said second group of LED module is the blue-ray LED module.
Said first group of LED module is the white light LEDs module, and said second group of LED module is the red-light LED module.
Said first group of LED module is the red-light LED module, and said second group of LED module is the blue-ray LED module.
Said first group of LED module is the green light LED module, and said second group of LED module is the red-light LED module.
Said first group of LED module is the red-light LED module, and said second group of LED module is the yellow 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.
The useful technique effect of the utility model is: can improve light that LED sends because of voltage the is inconsistent problem that secretly differs.When using the LED of constant-current driving serial or parallel connection, because of not receiving the restriction of voltage, so each LED luminous be consistent, the luminous high conformity of LED, the colour temperature that can regulate light according to different needs; 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.
Regulate the control circuit of colour temperature in the energy-saving LED lamp, include a constant-current supply, constant-current supply is connected with the MCU control chip; The PWM1 output of said MCU control chip connects constant-current control circuit; Constant-current control circuit is first group of LED module power supply, and first group of LED module is the white light LEDs module, and the PWM2 output of said MCU control chip connects another road constant-current control circuit; Constant-current control circuit is second group of coloured light LED module power supply, and second group of LED module is the yellow light LED module.
In force, can select following combination: 1. first group of LED module is the white light LEDs module, and second group of LED module is the green light LED module.2. first group of LED module is the white light LEDs module, and second group of LED module is the blue-ray LED module.3. first group of LED module is the yellow light LED module, and second group of LED module is the blue-ray LED module.4. first group of LED module is the green light LED module, and second group of LED module is the blue-ray LED module.5. first group of LED module is the white light LEDs module, and second group of LED module is the red-light LED module.6. first group of LED module is the red-light LED module, and second group of LED module is the blue-ray LED module.7. first group of LED module is the green light LED module, and said second group of LED module is the red-light LED module.8. first group of LED module is the red-light LED module, and second group of LED module is the yellow 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.First group of LED module brightness that PWM1 output is controlled when adjusting is from 100% past downward modulation, and second group of LED module brightness that PWM2 output is controlled will produce different-colour from 0% past the rise after the light mixing of two groups of colors.
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 (10)
1. regulate the control circuit of colour temperature 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, and constant-current control circuit is second group of coloured light LED module power supply.
2. regulate the control circuit of colour temperature in the energy-saving LED lamp according to claim 1, it 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.
3. regulate the control circuit of colour temperature in the energy-saving LED lamp according to claim 1, it 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.
4. regulate the control circuit of colour temperature in the energy-saving LED lamp according to claim 1, it 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.
5. regulate the control circuit of colour temperature in the energy-saving LED lamp according to claim 1, it is characterized in that: said first group of LED module is the yellow light LED module, and said second group of LED module is the blue-ray LED module.
6. regulate the control circuit of colour temperature in the energy-saving LED lamp according to claim 1, it is characterized in that: said first group of LED module is the green light LED module, and said second group of LED module is the blue-ray LED module.
7. regulate the control circuit of colour temperature in the energy-saving LED lamp according to claim 1, it 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 red-light LED module.
8. regulate the control circuit of colour temperature in the energy-saving LED lamp according to claim 1, it is characterized in that: said first group of LED module is the red-light LED module, and said second group of LED module is the blue-ray LED module.
9. regulate the control circuit of colour temperature in the energy-saving LED lamp according to claim 1, it is characterized in that: said first group of LED module is the green light LED module, and said second group of LED module is the red-light LED module.
10. regulate the control circuit of colour temperature in the energy-saving LED lamp according to claim 1, it is characterized in that: said first group of LED module is the red-light LED module, and said second group of LED module is the yellow light LED module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120385441 CN202285444U (en) | 2011-10-11 | 2011-10-11 | Control circuit for adjusting color temperature in energy-saving LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120385441 CN202285444U (en) | 2011-10-11 | 2011-10-11 | Control circuit for adjusting color temperature in energy-saving LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202285444U true CN202285444U (en) | 2012-06-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120385441 Expired - Lifetime CN202285444U (en) | 2011-10-11 | 2011-10-11 | Control circuit for adjusting color temperature in energy-saving LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202285444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105007662A (en) * | 2015-07-30 | 2015-10-28 | 深圳市芯飞凌半导体有限公司 | LED light and dual power supply switch color temperature tuning control circuit thereof |
-
2011
- 2011-10-11 CN CN 201120385441 patent/CN202285444U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105007662A (en) * | 2015-07-30 | 2015-10-28 | 深圳市芯飞凌半导体有限公司 | LED light and dual power supply switch color temperature tuning control circuit thereof |
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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 for adjusting color temperature in energy-saving LED lamp Granted publication date: 20120627 License type: Exclusive License Record date: 20120725 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120627 |
|
| CX01 | Expiry of patent term |