CN205793514U - A kind of Dimmable LED lighting circuit - Google Patents
A kind of Dimmable LED lighting circuit Download PDFInfo
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- CN205793514U CN205793514U CN201620520896.0U CN201620520896U CN205793514U CN 205793514 U CN205793514 U CN 205793514U CN 201620520896 U CN201620520896 U CN 201620520896U CN 205793514 U CN205793514 U CN 205793514U
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- 230000003287 optical effect Effects 0.000 claims description 4
- 238000005286 illumination Methods 0.000 description 5
- 230000002708 enhancing effect Effects 0.000 description 2
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Abstract
The utility model discloses a kind of Dimmable LED lighting circuit, including dimming driver, LED light source circuit and two-way current ratio regulation circuit, current ratio regulation circuit includes the first audion, second audion, first resistance, second resistance and the 3rd resistance, one end of first resistance and one end of the second resistance connect, the other end of the first resistance and the emitter stage of the first audion connect, first outfan of the current collection of the first audion extremely two-way current ratio regulation circuit, the other end of the second resistance, one end of 3rd resistance and the emitter stage of the second audion connect, the other end of the 3rd resistance, the base stage of the first audion, the base stage of the second audion and the colelctor electrode of the second audion connect, LED light source circuit includes the first LED light module and the second LED light module；Advantage is can be automatically adjusted to flow through the first LED light module and the electric current of the second LED light module, and the colour temperature of LED light source circuit can change along with its luminous intensity variations, and the soft degree of light is higher.
Description
Technical field
This utility model relates to a kind of LED illumination circuit, especially relates to a kind of Dimmable LED lighting circuit.
Background technology
At present, the sustained and rapid development of the application market of LED illumination circuit, meanwhile, to LED illumination circuit
Requirement also improving constantly.Dimmable LED lighting circuit is a kind of LED illumination electricity that demand is bigger in the market
Road.Existing dimming LED (Light Emitting Diode) lighting circuit includes dimming driver and LED light source circuit, and dimming driver has positive pole
Outfan and cathode output end, LED light source circuit has electrode input end and negative input, the positive pole of dimming driver
The electrode input end of outfan and LED light source circuit connects, the cathode output end of dimming driver and LED light source circuit
Negative input connect, LED light source circuit realizes the change of luminous intensity under dimming driver control.
It is known that when the luminous intensity of LED light source circuit is bigger, its colour temperature is higher, or LED light source electricity
When the luminous intensity on road is less, its colour temperature is lower, and the soft degree of its light can improve, and contributes to building more warm sending out
Luminous environment.But the colour temperature of LED light source circuit is constant in existing Dimmable LED lighting circuit, will not be along with
The change of its luminous intensity and change, the soft degree of light is poor, it is difficult to meet the warm degree requirement of luminous environment.
Summary of the invention
Technical problem to be solved in the utility model is to provide the Dimmable LED power for illumination that the soft degree of a kind of light is higher
Road, the colour temperature of the LED light source circuit in this Dimmable LED lighting circuit can increase along with the enhancing of its luminous intensity,
Weakening of luminous intensity and reduce, the soft degree of light is higher, contributes to building more warm luminous environment.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: a kind of Dimmable LED lighting circuit,
Including dimming driver and LED light source circuit, described dimming driver has cathode output end and cathode output end,
Described Dimmable LED lighting circuit also includes that two-way current ratio regulates circuit, described two-way current ratio regulation
Circuit includes the first audion, the second audion, the first resistance, the second resistance and the 3rd resistance, the first described resistance
One end and one end of the second described resistance connects and its to connect end be the defeated of described two-way current ratio regulation circuit
Entering end, the other end of the first described resistance and the emitter stage of the first described audion connect, the first described audion
The first outfan of the extremely described two-way current ratio regulation circuit of current collection, the other end of the second described resistance, institute
The emitter stage of one end of the 3rd resistance stated and the second described audion connects, the described other end of the 3rd resistance, institute
The colelctor electrode of the base stage of the first audion stated, the base stage of the second described audion and the second described audion connect and
It connects the second outfan that end is described two-way current ratio regulation circuit, and described LED light source circuit includes the
One LED light module and the second LED light module, the first described LED light module and the 2nd described LED
The glow color of light emitting module is different, and the first described LED light module has electrode input end and negative input,
The second described LED light module has electrode input end and negative input, the first described LED light module
The electrode input end of electrode input end and the second described LED light module respectively with the positive pole of described dimming driver
Outfan connects, the negative input of the first described LED light module and described two-way current ratio regulation circuit
The first outfan connect, the negative input of the second described LED light module and described two-way current ratio are adjusted
Second outfan on economize on electricity road connects, the input of described two-way current ratio regulation circuit and described dimming driver
Cathode output end connect.
The first described LED light module includes n the first light emitting diode, sending out of the first described light emitting diode
Light color is high color temperature, the first the most described LED light module of the 1st the first described light emitting diode
The first light emitting diode that electrode input end, the negative pole of the first light emitting diode described in jth and jth+1 are described
Positive pole connects, and the negative pole of the first light emitting diode described in n-th is that the negative pole of the first described LED light module is defeated
Enter end；The second described LED light module includes n the second light emitting diode, the second described light emitting diode
Glow color is low colour temperature, the second the most described LED light module of the 1st the second described light emitting diode
Electrode input end, the negative pole of the second light emitting diode described in jth and described the second light emitting diode of jth+1
Positive pole connect, the negative pole of the second light emitting diode described in n-th is the negative pole of the second described LED light module
Input；Wherein, n is the integer more than or equal to 1, j=1,2 ..., n-1.
Compared with prior art, the utility model has the advantage of by dimming driver, LED light source circuit and two-way electricity
Stream proportion adjustment circuit constitutes Dimmable LED lighting circuit, current ratio regulation circuit include the first audion, second
Audion, the first resistance, the second resistance and the 3rd resistance, one end of the first resistance and one end of the second resistance connect and it
Connecting the input that end is two-way current ratio regulation circuit, the other end of the first resistance and the emitter stage of the first audion are even
Connect, the first outfan of the current collection of the first audion extremely two-way current ratio regulation circuit, the other end of the second resistance,
The emitter stage of one end of the 3rd resistance and the second audion connects, the other end of the 3rd resistance, the base stage of the first audion,
The base stage of the second audion and the colelctor electrode of the second audion connect and its connection end is that two-way current ratio regulates circuit
Second outfan, LED light source circuit includes the first LED light module and the second LED light module, and a LED is luminous
Module is different with the glow color of the second LED light module, and the first LED light module has electrode input end and negative pole is defeated
Entering end, the second LED light module has electrode input end and negative input, the positive pole input of the first LED light module
The electrode input end of end and the second LED light module is connected with the cathode output end of dimming driver respectively, and a LED sends out
First outfan of the negative input of optical module and two-way current ratio regulation circuit connects, the second LED light module
Second outfan of negative input and two-way current ratio regulation circuit connects, the input of two-way current ratio regulation circuit
The cathode output end of end and dimming driver connects, and two-way current ratio regulation circuit is according to dimming driver output electric current
Size, is automatically adjusted the size of current ratio flowing through the first LED light module and the second LED light module, a LED
Light emitting module as high color temperature light source, the second LED light module as low color temperature light sources, the thus color of LED light source circuit
Temperature can increase along with the enhancing of its luminous intensity, weakening of luminous intensity and reduce, the soft degree of light is higher, contributes to
Build more warm luminous environment.
Accompanying drawing explanation
Fig. 1 is the structure chart of Dimmable LED lighting circuit of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
Embodiment one: as it can be seen, a kind of Dimmable LED lighting circuit, including dimming driver and LED light source electricity
Road, dimming driver has cathode output end and cathode output end, and Dimmable LED lighting circuit also includes two-way electric current
Proportion adjustment circuit, two-way current ratio regulation circuit includes the first audion Q1, the second audion Q2, the first resistance
R1, the second resistance R2 and the 3rd resistance R3, one end of the first resistance R1 and one end of the second resistance R2 connect and it
Connect the input that end is two-way current ratio regulation circuit, the other end of the first resistance R1 and the first audion Q1
Emitter stage connects, the first outfan of the current collection of the first audion Q1 extremely two-way current ratio regulation circuit, the second electricity
The emitter stage of the resistance other end of R2, one end of the 3rd resistance R3 and the second audion Q2 connects, the 3rd resistance R3's
The colelctor electrode of the other end, the base stage of the first audion Q1, the base stage of the second audion Q2 and the second audion Q2 connects
And it connects the second outfan that end is two-way current ratio regulation circuit, LED light source circuit includes that a LED is luminous
Module and the second LED light module, the first LED light module is different with the glow color of the second LED light module,
First LED light module has electrode input end and negative input, and the second LED light module has electrode input end
With negative input, the electrode input end of the first LED light module and the electrode input end of the second LED light module divide
It is not connected with the cathode output end of dimming driver, the negative input of the first LED light module and two-way current ratio
First outfan of regulation circuit connects, the negative input of the second LED light module and two-way current ratio regulation electricity
Second outfan on road connects, and the input of two-way current ratio regulation circuit and the cathode output end of dimming driver are even
Connect.
In the present embodiment, dimming driver and LED light source circuit use the matured product of its technical field.
Embodiment two: as it can be seen, a kind of Dimmable LED lighting circuit, including dimming driver and LED light source electricity
Road, dimming driver has cathode output end and cathode output end, and Dimmable LED lighting circuit also includes two-way electric current
Proportion adjustment circuit, two-way current ratio regulation circuit includes the first audion Q1, the second audion Q2, the first resistance
R1, the second resistance R2 and the 3rd resistance R3, one end of the first resistance R1 and one end of the second resistance R2 connect and it
Connect the input that end is two-way current ratio regulation circuit, the other end of the first resistance R1 and the first audion Q1
Emitter stage connects, the first outfan of the current collection of the first audion Q1 extremely two-way current ratio regulation circuit, the second electricity
The emitter stage of the resistance other end of R2, one end of the 3rd resistance R3 and the second audion Q2 connects, the 3rd resistance R3's
The colelctor electrode of the other end, the base stage of the first audion Q1, the base stage of the second audion Q2 and the second audion Q2 connects
And it connects the second outfan that end is two-way current ratio regulation circuit, LED light source circuit includes that a LED is luminous
Module and the second LED light module, the first LED light module is different with the glow color of the second LED light module,
First LED light module has electrode input end and negative input, and the second LED light module has electrode input end
With negative input, the electrode input end of the first LED light module and the electrode input end of the second LED light module divide
It is not connected with the cathode output end of dimming driver, the negative input of the first LED light module and two-way current ratio
First outfan of regulation circuit connects, the negative input of the second LED light module and two-way current ratio regulation electricity
Second outfan on road connects, and the input of two-way current ratio regulation circuit and the cathode output end of dimming driver are even
Connect.
In the present embodiment, the first LED light module includes n the first light emitting diode, sending out of the first light emitting diode
Light color is green, the electrode input end of the most extremely first LED light module of the 1st the first light emitting diode D1-1,
The negative pole of jth the first light emitting diode D1-j and the positive pole of+1 the first light emitting diode D1-(j+1) of jth connect,
The negative input that negative pole is the first LED light module of the n-th the first light emitting diode D1-n；2nd LED sends out
Optical module includes n the second light emitting diode, and the glow color of the second light emitting diode is red, and the 1st second luminous
The electrode input end of the most extremely second LED light module of diode D2-1, jth the second light emitting diode D2-j
Negative pole and the positive pole of+1 the second light emitting diode D2-(j+1) of jth connect, the n-th the second light emitting diode D2-n
The negative input that negative pole is the second LED light module；Wherein, n is the integer more than or equal to 1, j=1,2 ...,
n-1。
In the present embodiment, the value of n can be 2, and the value of j is 1, and dimming driver uses the maturation of its technical field
Product.
Claims (3)
1. a Dimmable LED lighting circuit, including dimming driver and LED light source circuit, described light modulation drives
Utensil has cathode output end and cathode output end, it is characterised in that described Dimmable LED lighting circuit also includes two-way
Current ratio regulation circuit, described two-way current ratio regulation circuit include the first audion, the second audion, first
Resistance, the second resistance and the 3rd resistance, one end of the first described resistance and one end of the second described resistance connect and it
Connect the input that end is described two-way current ratio regulation circuit, the other end of the first described resistance and described the
The emitter stage of one audion connects, the two-way current ratio regulation circuit that the current collection of the first described audion is extremely described
First outfan, the other end of the second described resistance, one end of the 3rd described resistance and the second described audion
Emitter stage connects, the other end of the 3rd described resistance, the base stage of the first described audion, the second described audion
Base stage and the colelctor electrode of the second described audion connects and its to connect end be described two-way current ratio regulation circuit
The second outfan, described LED light source circuit includes the first LED light module and the second LED light module,
The first described LED light module is different with the glow color of the second described LED light module, described first
LED light module has electrode input end and negative input, and the second described LED light module has positive pole input
End and negative input, the electrode input end of the first described LED light module and the second described LED light module
Electrode input end cathode output end with described dimming driver respectively be connected, the first described LED light module
Negative input and described two-way current ratio regulation circuit first outfan connect, the 2nd described LED sends out
Second outfan of the negative input of optical module and described two-way current ratio regulation circuit connects, described two-way electricity
The input of stream proportion adjustment circuit and the cathode output end of described dimming driver connect.
A kind of Dimmable LED lighting circuit the most according to claim 1, it is characterised in that a described LED
Light emitting module includes n the first light emitting diode, and the glow color of the first described light emitting diode is high color temperature, the 1st
The electrode input end of the first the most described LED light module of individual the first described light emitting diode, described in jth
The negative pole of the first light emitting diode and the positive pole of described the first light emitting diode of jth+1 connect, described in n-th
The negative pole of the first light emitting diode is the negative input of the first described LED light module；The 2nd described LED sends out
Optical module includes n the second light emitting diode, and the glow color of the second described light emitting diode is low colour temperature, the 1st
The electrode input end of the second the most described LED light module of the second described light emitting diode, described in jth
The positive pole of the negative pole of the second light emitting diode and described the second light emitting diode of jth+1 connects, the described in n-th
The negative pole of two light emitting diodes is the negative input of the second described LED light module；Wherein, n is more than or equal to 1
Integer, j=1,2 ..., n-1.
A kind of Dimmable LED lighting circuit the most according to claim 2, it is characterised in that described described the
The glow color of one light emitting diode is green, and the glow color of the second described light emitting diode is red.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620520896.0U CN205793514U (en) | 2016-06-01 | 2016-06-01 | A kind of Dimmable LED lighting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620520896.0U CN205793514U (en) | 2016-06-01 | 2016-06-01 | A kind of Dimmable LED lighting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205793514U true CN205793514U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620520896.0U Expired - Fee Related CN205793514U (en) | 2016-06-01 | 2016-06-01 | A kind of Dimmable LED lighting circuit |
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| Country | Link |
|---|---|
| CN (1) | CN205793514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2016
- 2016-06-01 CN CN201620520896.0U patent/CN205793514U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200311 Address after: 322009 NO.901, Longqi Road, Suxi Town, Yiwu City, Jinhua City, Zhejiang Province Patentee after: Harmony Mingxin (Yiwu) Photoelectric Technology Co.,Ltd. Address before: 312071 Zhejiang province Shaoxing Paojiang Industrial Zone No. 308 North Road in the robe Patentee before: SUNNY WORLD (SHAOXING) GREEN LIGHTING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 |