CN207802453U - Color temperature controlling circuit based on LED drive power - Google Patents
Color temperature controlling circuit based on LED drive power Download PDFInfo
- Publication number
- CN207802453U CN207802453U CN201721601073.1U CN201721601073U CN207802453U CN 207802453 U CN207802453 U CN 207802453U CN 201721601073 U CN201721601073 U CN 201721601073U CN 207802453 U CN207802453 U CN 207802453U
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- China
- Prior art keywords
- colour temperature
- selecting switch
- led light
- preset value
- switch
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- 238000001914 filtration Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model belongs to light-controlled lamp technical field, provide a kind of color temperature controlling circuit based on LED drive power, it is combined and is selected by the first colour temperature selecting switch, the second colour temperature selecting switch and third colour temperature selecting switch, the colour temperature of colour temperature and the second preset value colour temperature LED light string to the first preset value colour temperature LED light string carries out selection control, to realize the selection of three gear colour temperatures, user's selection is not only enriched, but also easy to use.
Description
Technical field
The utility model belongs to LED light colour temperature control technology field more particularly to a kind of colour temperature based on LED drive power
Control circuit.
Background technology
With the development of society, user is higher and higher to the colour temperature requirement of LED light, need to be equipped in different occasions different
The LED light of colour temperature illuminates.
However, existing LED drive power does not have colour temperature control function mostly, the illumination need of user cannot be met very well
It asks.
In conclusion existing LED drive power there is technical issues that LED light colour temperature cannot be carried out.
Utility model content
The purpose of this utility model is to provide a kind of color temperature controlling circuits based on LED drive power, it is intended to solve existing
The technical issues of LED light colour temperature cannot being controlled existing for some LED drive powers.
To achieve the above object, can be in realization scheme at the first, the utility model, which provides, a kind of being based on LED drive power
Color temperature controlling circuit, including sequentially connected EMI filter circuit, current rectifying and wave filtering circuit, high-frequency switch circuit, transformer and defeated
Go out current rectifying and wave filtering circuit, further includes driving chip accessory power supply, driving chip control circuit and constant pressure and flow feedback circuit, it is described
Driving chip accessory power supply connects the current rectifying and wave filtering circuit and connects the driving chip control circuit, the driving chip control
Circuit processed connects the high-frequency switch circuit and connects the constant pressure and flow feedback circuit, the constant pressure and flow feedback circuit connection
The output rectifier and filter further includes：
Colour temperature selecting switch, including the first colour temperature selecting switch, the second colour temperature selecting switch and third colour temperature selecting switch,
Anode after the first colour temperature selecting switch is in parallel with the second colour temperature selecting switch with the third colour temperature selecting switch
Concatenation, the cathode of the third colour temperature selecting switch are connect with the cathode of the output rectifier and filter；
Preset value colour temperature LED light string, including the first preset value colour temperature LED light string and the second preset value colour temperature LED light string, institute
The anode for stating the first preset value colour temperature LED light string is connect with the anode of the output rectifier and filter, first preset value
The cathode of colour temperature LED light string is concatenated with the first colour temperature selecting switch, the second preset value colour temperature LED light string anode with
The anode connection of the output rectifier and filter, cathode and second colour temperature of the second preset value colour temperature LED light string
Selecting switch concatenates.
Scheme can be realized in conjunction with the first, and in second of achievable scheme, first preset value is 3000K.
Scheme can be realized in conjunction with the first, can be in realization scheme at the third, second preset value is 5000K.
Scheme can be realized in conjunction with the first, and in the 4th kind of achievable scheme, the colour temperature selecting switch is toggle switch.
Scheme can be realized in conjunction with the first, and in the 5th kind of achievable scheme, the colour temperature selecting switch is remote control switch.
The color temperature controlling circuit based on LED drive power obtained by above-mentioned achievable scheme, can be to LED light colour temperature
It is controlled.This passes through the first colour temperature selecting switch, the second colour temperature selecting switch based on the color temperature controlling circuit of LED drive power
And the combination selection of third colour temperature selecting switch, the colour temperature to the first preset value colour temperature LED light string and the second preset value colour temperature LED light
The colour temperature of string carries out selection control, to realize the selection of three gear colour temperatures, not only enriches user's selection, but also easy to use.
Description of the drawings
Fig. 1 is that the circuit structure for the color temperature controlling circuit based on LED drive power that the utility model embodiment provides shows
It is intended to；
Fig. 2 is the electrical block diagram of the colour temperature selecting switch in Fig. 1.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The technical issues of in order to solve to control LED light colour temperature existing for existing LED drive power, this reality
A kind of color temperature controlling circuit based on LED drive power is provided with new embodiment, referring to Fig. 1-2, details are as follows：
Referring to Fig. 1, a kind of color temperature controlling circuit based on LED drive power, including sequentially connected EMI filter circuit,
Current rectifying and wave filtering circuit, high-frequency switch circuit, transformer and output rectifier and filter.
The color temperature controlling circuit based on LED drive power further includes driving chip accessory power supply, driving chip control electricity
Road and constant pressure and flow feedback circuit, driving chip accessory power supply connection current rectifying and wave filtering circuit simultaneously connect driving chip control circuit,
Driving chip control circuit connects high-frequency switch circuit and connects constant pressure and flow feedback circuit, and the connection of constant pressure and flow feedback circuit is defeated
Go out current rectifying and wave filtering circuit.
It should be noted that EMI filter circuit, current rectifying and wave filtering circuit, high-frequency switch circuit, transformer and output rectification filter
Wave circuit, driving chip accessory power supply, driving chip control circuit and constant pressure and flow feedback circuit are existing LED drive power
Common common elements circuit, do not make tired state herein.
Referring to Fig. 2, it further includes colour temperature selecting switch and preset value colour temperature to be somebody's turn to do the color temperature controlling circuit based on LED drive power
LED light string.
Colour temperature selecting switch includes that the first colour temperature selecting switch K1, the second colour temperature selecting switch K2 and the selection of third colour temperature are opened
K3 is closed, is gone here and there with the anode of third colour temperature selecting switch K3 after the first colour temperature selecting switch K1 is in parallel with the second colour temperature selecting switch K2
It connects, the cathode of third colour temperature selecting switch K3 and the cathode of output rectifier and filter connect.
Preset value colour temperature LED light string includes the first preset value colour temperature LED light string LED1 and the second preset value colour temperature LED light string
The anode of LED2, the first preset value colour temperature LED light string LED1 are connect with the anode of output rectifier and filter, the first preset value color
The cathode of warm LED light string LED1 is concatenated with the first colour temperature selecting switch K1, the second preset value colour temperature LED light string LED2 anode with
The anode connection of output rectifier and filter, the cathode and the second colour temperature selecting switch of the second preset value colour temperature LED light string LED2
K2 is concatenated.
It should be noted that being selected by the first colour temperature selecting switch K1, the second colour temperature selecting switch K2 and third colour temperature
Switch K3 combinations select, the colour temperature and the second preset value colour temperature LED light string LED2 to the first preset value colour temperature LED light string LED1
Colour temperature carries out selection control, and the selection of three gear colour temperatures may be implemented, and not only enriches user's selection, but also easy to use.Wherein, three
It is as follows to keep off colour temperature selection：
One gear：It is closed third colour temperature selecting switch K3, is closed at the first colour temperature selecting switch K1.At this point, first is default
It is worth colour temperature LED light string LED1 to illuminate with the energization of the first preset value colour temperature.
Wherein, the first preset value can be 3000K, and the LED light of 3000K colour temperatures sends out warm light.
Two gears：It is closed third colour temperature selecting switch K3, is closed at the first colour temperature selecting switch K1 and the selection of the second colour temperature
Switch K2.At this point, the first preset value colour temperature LED light string LED1 and the second preset value colour temperature LED light string LED2 is pre- with second simultaneously
It is illuminated if being worth colour temperature and being powered.
Wherein, the second preset value can be 4000K, and the LED light of 4000K colour temperatures sends out warm white, warm white be warm light and
The mixed light of white light.
Three gears：It is closed third colour temperature selecting switch K3, is closed at the second colour temperature selecting switch K2.At this point, second is default
It is worth colour temperature LED light string LED2 to illuminate with the energization of third preset value colour temperature.
Wherein, third preset value can be 5000K, and the LED light of 5000K colour temperatures sends out white light.
Specifically, colour temperature selecting switch includes but not limited to toggle switch and remote control switch.
The color temperature controlling circuit based on LED drive power obtained by above-described embodiment, can carry out LED light colour temperature
Control.This passes through the first colour temperature selecting switch K1, the second colour temperature selecting switch K2 based on the color temperature controlling circuit of LED drive power
And the K3 combination selections of third colour temperature selecting switch, to the colour temperature and the second preset value color of the first preset value colour temperature LED light string LED1
The colour temperature of warm LED light string LED2 carries out selection control, to realize the selection of three gear colour temperatures, not only enriches user's selection, but also
It is easy to use.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (5)
1. a kind of color temperature controlling circuit based on LED drive power, including sequentially connected EMI filter circuit, rectifying and wave-filtering electricity
Road, high-frequency switch circuit, transformer and output rectifier and filter further include driving chip accessory power supply, driving chip control
Circuit and constant pressure and flow feedback circuit, the driving chip accessory power supply connect the current rectifying and wave filtering circuit and connect the driving
Chip control circuit, the driving chip control circuit connect the high-frequency switch circuit and connect the constant pressure and flow feedback electricity
Road, the constant pressure and flow feedback circuit connect the output rectifier and filter, which is characterized in that further include：
Colour temperature selecting switch, including the first colour temperature selecting switch, the second colour temperature selecting switch and third colour temperature selecting switch, it is described
First colour temperature selecting switch is concatenated with the anode with the third colour temperature selecting switch after the second colour temperature selecting switch parallel connection,
The cathode of the third colour temperature selecting switch is connect with the cathode of the output rectifier and filter；
Preset value colour temperature LED light string, including the first preset value colour temperature LED light string and the second preset value colour temperature LED light string, described
The anode of one preset value colour temperature LED light string is connect with the anode of the output rectifier and filter, the first preset value colour temperature
The cathode of LED light string is concatenated with the first colour temperature selecting switch, the second preset value colour temperature LED light string anode with it is described
The anode connection of output rectifier and filter, cathode and second colour temperature of the second preset value colour temperature LED light string select
Switch concatenation.
2. the color temperature controlling circuit based on LED drive power as described in claim 1, which is characterized in that described first is default
Value is 3000K.
3. the color temperature controlling circuit based on LED drive power as described in claim 1, which is characterized in that described second is default
Value is 5000K.
4. the color temperature controlling circuit based on LED drive power as described in claim 1, which is characterized in that the colour temperature selection
Switch is toggle switch.
5. the color temperature controlling circuit based on LED drive power as described in claim 1, which is characterized in that the colour temperature selection
Switch is remote control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721601073.1U CN207802453U (en) | 2017-11-27 | 2017-11-27 | Color temperature controlling circuit based on LED drive power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721601073.1U CN207802453U (en) | 2017-11-27 | 2017-11-27 | Color temperature controlling circuit based on LED drive power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207802453U true CN207802453U (en) | 2018-08-31 |
Family
ID=63285967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721601073.1U Expired - Fee Related CN207802453U (en) | 2017-11-27 | 2017-11-27 | Color temperature controlling circuit based on LED drive power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207802453U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640438A (en) * | 2018-12-07 | 2019-04-16 | 南京东晖光电有限公司 | A kind of wirelessly controlled LED lighting driving system |
| CN110944428A (en) * | 2018-09-21 | 2020-03-31 | 三星电子株式会社 | Light emitting diode module, light emitting diode driver and lighting apparatus |
| CN113196883A (en) * | 2018-10-16 | 2021-07-30 | 理想工业照明有限责任公司 | Solid state lighting device with field configurable CCT and/or luminosity |
-
2017
- 2017-11-27 CN CN201721601073.1U patent/CN207802453U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110944428A (en) * | 2018-09-21 | 2020-03-31 | 三星电子株式会社 | Light emitting diode module, light emitting diode driver and lighting apparatus |
| CN110944428B (en) * | 2018-09-21 | 2021-10-26 | 三星电子株式会社 | Light emitting diode module, light emitting diode driver and lighting apparatus |
| CN113196883A (en) * | 2018-10-16 | 2021-07-30 | 理想工业照明有限责任公司 | Solid state lighting device with field configurable CCT and/or luminosity |
| CN109640438A (en) * | 2018-12-07 | 2019-04-16 | 南京东晖光电有限公司 | A kind of wirelessly controlled LED lighting driving system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 |