CN201191933Y - LED regulating device with color temperature and color rendering adjustable - Google Patents
LED regulating device with color temperature and color rendering adjustable Download PDFInfo
- Publication number
- CN201191933Y CN201191933Y CNU2008201012152U CN200820101215U CN201191933Y CN 201191933 Y CN201191933 Y CN 201191933Y CN U2008201012152 U CNU2008201012152 U CN U2008201012152U CN 200820101215 U CN200820101215 U CN 200820101215U CN 201191933 Y CN201191933 Y CN 201191933Y
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- led unit
- unit branch
- led
- branch road
- power supply
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Abstract
The utility model relates to a regulating device of a light emitting diode which can adjust color temperature and color rendering, which comprises a first LED unit branch circuit and a second LED unit branch circuit of a double stimulus color white light LED, wherein the second LED unit branch circuit is parallelly connected with the first LED unit branch circuit, and the second LED unit branch circuit at least comprises an electro glow LED. The utility model is characterized in that the regulating device further comprises a power supply control switch and an one divided into two current distributor, wherein one end of the two LED unit branch circuits are respectively connected with a corresponding output end of the current distributor, after being parallelly connected, the other end is connected with one end of power supply, and the output end of the current distributor is connected with the other end of the power supply through the power supply control switch. The two LED unit branch circuits are uniformly controlled through the one divided into two current distributor, and the color temperature of light source and the color rendering operation are simplified, adjusted and controlled. Current which is output by the power supply is adjusted by a knob control switch, thereby regulating the brightness of the light source. Under the situation that total current is fixed, the using current of the first LED unit branch circuit and the second LED unit branch circuit is regulated and controlled by the current distributor, thereby changing the color temperature of the light source and the color rendering, and the regulation and control is simple.
Description
Technical field
The utility model relates to light-emitting diode, the regulation device of particularly a kind of adjustable color temperature and color rendering light emitting diode.
Background technology
Light-emitting diode (LED) is a kind of semiconductor subassembly, at the beginning indicator light, display panels etc. of being used as more; Along with the appearance of white light LEDs, also be used as illumination; Since its have efficient height, life-span long, can recycling, well conventional light source such as the cracky advantage that can't compare with it not of anti-seismic performance, and be extensive use of by multi-field.
The tradition led light source adopts blue-light LED chip to add the two sharp look white lights of yellow fluorescent powder, and its color rendering is relatively poor only to be 60-80, and especially its color rendering and brightness thereof are poorer when hanging down colour temperature.The led light source that has occurred a kind of adjustable color temperature and color rendering at present with reference to Fig. 1, is provided with the two-way independent LED unit branch road of series connection separately in the packaging body of light-emitting diode, wherein one the tunnel is a LED unit branch road 21 of known two sharp look white light; Another road comprises that at least the 2nd LED unit branch road 22, the two LED unit branch roads 21,22 that an electricity causes the led chip that glows are connected in parallel on the power circuit.The one LED unit branch road 21 provides white light, and the 2nd LED unit branch road 22 provides red visible light at least again, and the LED color rendering is increased to more than 88.Blue-ray LED unit, the 2nd LED unit drive respectively, and when different electric current was adjusted in the 2nd LED unit, it can make colour temperature change equally, and when low colour temperature, its brightness can show De Genggao.At present, the electric current control methods of two paths of LED unit branch road 21,22 are that power supply 1 provides drive current, is connected in series the use electric current that 31,32, two distributing switches 31,32 of distributing switch are controlled corresponding branch road respectively in two branch roads respectively.Branch road independent control mode in this two paths of LED unit is difficult to regulate and control required colour temperature and brightness.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, the regulation device of a kind of adjustable color temperature and color rendering light emitting diode is provided, can freely select the current division ratio example of the two LED unit branch roads that are in parallel according to need of work, realize easily accurately reaching required colour temperature and color rendering to deciding the reliable control of split ratio.
The purpose of this utility model is achieved through the following technical solutions:
The regulation device of a kind of adjustable color temperature and color rendering light emitting diode, comprise a LED unit branch road of two sharp look white light LEDs and the 2nd LED unit branch road that is connected in parallel with a LED unit branch road, the 2nd LED unit branch road comprises that at least an electricity causes the LED that glows; It is characterized in that: also comprise a power control switch and an one-to-two distributing switch, one end of two LED unit branch roads connects corresponding output, the other end of distributing switch respectively and connects back connection power supply one end, and the input of distributing switch connects the other end of power supply by described power control switch.
Comprise that also a plurality of electricity cause the led chip that sends other different wave length visible lights respectively in described the 2nd LED unit branch road, all led chips in the 2nd LED unit branch road are connected in series.
Described power control switch is the knob control switch of scalable size of current.
The utlity model has following advantage:
Two paths of LED unit branch road just can be adjusted use electric current, simplification adjustment control light source color temperature and the color rendering operation of first, second LED unit branch road simultaneously by the unified control of an one-to-two distributing switch by distributing switch.Electric power outputting current is adjusted by the knob control switch, with the regulation and control light-source brightness; Under the situation that total current is fixed, utilize distributing switch to regulate the use electric current of first, second LED unit branch road, to change light source color temperature and color rendering, regulation and control are simple.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the structural representation of existing adjustable color temperature and color rendering light emitting diode.
Fig. 2 is a structural representation of the present utility model.
Embodiment
With reference to Fig. 2.The regulation device of adjustable color temperature and color rendering light emitting diode comprises a LED unit branch road 21 of power supply 1, two sharp look white light LEDs and comprises that at least an electricity causes the 2nd LED unit branch road 22 of the LED that glows and one-to-two distributing switch 3, electric power outputting current knob control switch 4.The LED element of first, second LED unit branch road 21,22 is same encapsulation or discrete component.First, second LED unit branch road 21,22 is connected in parallel in the power circuit, one end of first, second LED unit branch road 21,22 connects corresponding output, the other end of distributing switch 3 respectively and connects back connection power supply 1 one ends, and the input of distributing switch 2 connects the other end of power supplys 1 by knob control switch 4.The output total current of knob control switch 4 scalable power supplys 1 is with the brightness of regulation and control light source.One-to-two distributing switch 3 is exported total current with power supply and is distributed to first, second LED unit branch road 21,22, regulates the use electric current of first, second LED unit branch road 21,22 simultaneously, and to change light source color temperature and color rendering, regulation and control are simple.
Also can comprise one or more LED elements in other visible lights such as yellow, blueness, green in above-mentioned the 2nd LED unit branch road 22, the LED element in all the 2nd LED unit branch roads 22 is serially connected mutually.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (3)
1. the regulation device of adjustable color temperature and color rendering light emitting diode, comprise a LED unit branch road of two sharp look white light LEDs and the 2nd LED unit branch road that is connected in parallel with a LED unit branch road, the 2nd LED unit branch road comprises that at least an electricity causes the LED that glows; It is characterized in that: also comprise a power control switch and an one-to-two distributing switch, one end of two LED unit branch roads connects corresponding output, the other end of distributing switch respectively and connects back connection power supply one end, and the input of distributing switch connects the other end of power supply by described power control switch.
2. regulation device according to claim 1 is characterized in that: comprise that also a plurality of electricity cause the led chip that sends other different wave length visible lights respectively in described the 2nd LED unit branch road, all led chips in the 2nd LED unit branch road are connected in series.
3. regulation device according to claim 1 is characterized in that: described power control switch is the knob control switch of scalable size of current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201012152U CN201191933Y (en) | 2008-01-18 | 2008-01-18 | LED regulating device with color temperature and color rendering adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201012152U CN201191933Y (en) | 2008-01-18 | 2008-01-18 | LED regulating device with color temperature and color rendering adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201191933Y true CN201191933Y (en) | 2009-02-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201012152U Expired - Fee Related CN201191933Y (en) | 2008-01-18 | 2008-01-18 | LED regulating device with color temperature and color rendering adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201191933Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012075781A1 (en) * | 2010-12-10 | 2012-06-14 | 方方 | Light source system capable of adjusting color temperature |
| CN102781140A (en) * | 2011-05-12 | 2012-11-14 | 里德安吉公司 | Apparatus and methods for tuning of emitter with multiple LEDs to a single color bin |
| GB2496851A (en) * | 2011-11-21 | 2013-05-29 | Photonstar Led Ltd | Led light source with passive chromaticity tuning |
| CN103687252A (en) * | 2014-01-07 | 2014-03-26 | 杭州上达光电科技有限公司 | Driving illuminating system |
| CN110636670A (en) * | 2019-09-20 | 2019-12-31 | 开发晶照明（厦门）有限公司 | Light source device |
| CN112118655A (en) * | 2020-09-07 | 2020-12-22 | 漳州立达信光电子科技有限公司 | LED control circuit and LED lamp |
| CN113016235A (en) * | 2018-09-14 | 2021-06-22 | 发光装置公司 | Techniques for color control on dimmable lighting devices and related systems and methods |
-
2008
- 2008-01-18 CN CNU2008201012152U patent/CN201191933Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012075781A1 (en) * | 2010-12-10 | 2012-06-14 | 方方 | Light source system capable of adjusting color temperature |
| CN102781140A (en) * | 2011-05-12 | 2012-11-14 | 里德安吉公司 | Apparatus and methods for tuning of emitter with multiple LEDs to a single color bin |
| CN102781140B (en) * | 2011-05-12 | 2016-02-03 | 硅谷光擎 | Have many LED reflector be tuned to other equipment of single color level and method |
| GB2496851A (en) * | 2011-11-21 | 2013-05-29 | Photonstar Led Ltd | Led light source with passive chromaticity tuning |
| CN103687252A (en) * | 2014-01-07 | 2014-03-26 | 杭州上达光电科技有限公司 | Driving illuminating system |
| CN113016235A (en) * | 2018-09-14 | 2021-06-22 | 发光装置公司 | Techniques for color control on dimmable lighting devices and related systems and methods |
| CN110636670A (en) * | 2019-09-20 | 2019-12-31 | 开发晶照明（厦门）有限公司 | Light source device |
| CN110636670B (en) * | 2019-09-20 | 2022-07-19 | 开发晶照明（厦门）有限公司 | Light source device |
| CN112118655A (en) * | 2020-09-07 | 2020-12-22 | 漳州立达信光电子科技有限公司 | LED control circuit and LED lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20160118 |
|
| EXPY | Termination of patent right or utility model |