CN104797054B - LED sectional dimming capacitance-resistance driving powers - Google Patents
LED sectional dimming capacitance-resistance driving powers Download PDFInfo
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- CN104797054B CN104797054B CN201510207149.1A CN201510207149A CN104797054B CN 104797054 B CN104797054 B CN 104797054B CN 201510207149 A CN201510207149 A CN 201510207149A CN 104797054 B CN104797054 B CN 104797054B
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- resistance
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- electric capacity
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- sectional dimming
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Abstract
The invention provides a kind of LED sectional dimmings capacitance-resistance driving power, including 220V AC inputs P, insurance RD, commutation diode D1, D2, D3, D4, voltage-regulator diode D5, isolating diode D6, resistance R1, R2, R3, R4, R5, R6, R7, R8, electric capacity C1, C2, C3, C4, C5, C6, bidirectional triode thyristor optocoupler IC2, IC3, sectional dimming chip IC 1, light emitting diode D7 to Dn.Present invention utilizes the two-way segment output signal of sectional dimming chip IC 1, two bidirectional triode thyristor optocouplers IC2 and IC3 of control conducting and closing are gone respectively, LED light emitting diodes D7 to Dn current value is flowed through in the combination can control of control electric capacity C1, C2, C3 different capabilities, LED light emitting diodes are made to send different brightness, so as to obtain the purpose of sectional dimming.The relatively other LED dimming power sources of the present invention, have the advantages that circuit structure is simple, cost is small, energy-efficient.
Description
Technical field
The present invention relates to a kind of LED drive power, is a kind of LED sectional dimmings capacitance-resistance driving power specifically.
Background technology
LED illumination device is the novel illumination light source of lighting field, has many advantages, such as energy-saving and environmental protection, whiter than tradition
Vehement streetlamp energy-saving more than 80%.Due to the particularity of LED illumination device type of drive, most of LED illumination device can not all dim,
The application of LED illumination device is limited to.In the market is also provided with dimming LED (Light Emitting Diode) lighting apparatus, and some control modes are excessively
Complexity, equipment cost are high；Some control modes are simple, but electric energy can not be fully utilized, and waste electric energy.
The content of the invention
The present invention solves the deficiencies in the prior art, there is provided a kind of circuit structure is simple, cost is small, energy-efficient
LED sectional dimming capacitance-resistance driving powers.
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of LED sectional dimmings capacitance-resistance driving power, it is characterised in that including 220V AC inputs P, insurance RD,
It is diode D1, D2, D3, D4, D5, D6, resistance R1, R2, R3, R4, R5, R6, R7, R8, electric capacity C1, C2, C3, C4, C5, C6, double
To controllable silicon optocoupler IC2, IC3, sectional dimming chip IC 1, light emitting diode D7 to Dn, the 220V AC inputs P mono-
Road is connected to after insuring RD between diode D1 positive pole and diode D3 negative poles, another way first end and the one of resistance R1
End connection, the second end is connected with electric capacity C2 one end, and the 3rd end is connected with electric capacity C3 one end, the resistance R1 other end and it is two-way can
One end connection of silicon optocoupler IC2 output ends is controlled, the electric capacity C2 other end connects with the other end of bidirectional triode thyristor optocoupler IC2 output ends
Connect, the electric capacity C3 other end is connected with one end of bidirectional triode thyristor optocoupler IC3 output ends, and electric capacity C1 is connected in parallel on the two of resistance R1
End, resistance R2 are connected in parallel on electric capacity C2 both ends, and resistance R3 is connected in parallel on electric capacity C3 both ends, the bidirectional triode thyristor optocoupler IC3 outputs
The end other end is connected with bidirectional triode thyristor optocoupler IC2 output ends one end all the way, and another way is connected to diode D2 positive poles and two poles
Between pipe D4 negative poles, the bidirectional triode thyristor optocoupler IC2 input anodes connect after being connected with bidirectional triode thyristor IC3 input anodes
It is connected between diode D6 negative poles and electric capacity C6 positive poles, bidirectional triode thyristor optocoupler IC2 negative pole of output end is connected with resistance R6 one end,
Bidirectional triode thyristor optocoupler IC3 negative pole of output end is connected with resistance R7 one end, resistance the R6 other end and sectional dimming chip IC 1
8th pin is connected, and the resistance R7 other end is connected with the 7th pin of sectional dimming chip IC 1, the diode D3 positive poles and diode
It is connected after the connection of D4 positive poles with electric capacity C4 negative poles, diode D1 negative poles connect after being connected with diode D2 negative poles with electric capacity C4 positive poles
Connect, the electric capacity C4 positive poles are connected with resistance R4 one end, and negative pole is connected with diode D5 positive poles, diode D5 negative poles and resistance R4
The other end is connected, and described electric capacity C5 one end is connected with diode D5 positive poles, and the electric capacity C5 other ends are connected with resistance R5 positive poles, resistance
R5 negative poles one end is connected with diode D5 negative poles, and the resistance R5 negative poles other end is connected with diode D6 positive poles, the diode D6
Negative pole one end is connected with electric capacity C6 one end, and the other end is connected with the 5th pin of sectional dimming chip IC 1, the electric capacity C6 other ends and electricity
Hold the connection of C5 one end, the 1st pin of the sectional dimming chip IC 1 is connected after being connected with the 3rd pin with electric capacity C5 one end, the 4th pin company
It is connected between electric capacity C5 and resistance R5, the 6th pin is connected between the 5th pin and diode D6 negative poles, and described resistance R4 one end is all the way
Be connected with resistance R8 one end, another way is connected with light emitting diode D7 negative poles, the resistance R8 other ends all the way with the electric capacity C6 other ends
Connection, another way are connected with light emitting diode Dn positive poles, light emitting diode D7 to the Dn series connection.
Further, the number of the light emitting diode n is 10-20, and D7 to Dn single power is 1W.It is described
Diode D1, D2, D3, D4 are commutation diode, and diode D5 is voltage-regulator diode, and diode D6 is isolating diode；Institute
It is decompression capacitor to state electric capacity C1, C2, C3, and electric capacity C4 is filter capacitor, and electric capacity C5 is 4 pin of sectional dimming chip IC 1
External capacitor, electric capacity C6 are decoupling capacitor；Described resistance R1, R2, R3, R8 are respectively electric capacity C1, C2, C3, C4 electric discharge electricity
Resistance；The resistance R5 is 4 foot control signal input resistances of sectional dimming chip IC 1, and resistance R6, R7 are respectively to be segmented to adjust
Optical chip IC1 7,8 pin output current limiting resistance.
The sectional dimming chip IC 1（NS1834）1 pin be chip ground end, 2,7,8 pin are power take-off, 3
Pin is external reset end, and 4 pin are control signal input, and 5 pin are chip power end, and 6 pin are mode setting terminal.
Present invention utilizes sectional dimming chip IC 1（NS1834）Two-way segment output signal, go respectively control two
Bidirectional triode thyristor optocoupler IC2 and IC3 conducting and closing, the combination can of control electric capacity C1, C2, C3 different capabilities
LED light emitting diodes D7 to Dn current value is flowed through in control, LED light emitting diodes is sent different brightness, so as to obtain
The purpose of sectional dimming.The relatively other LED dimming power sources of the present invention, have that circuit structure is simple, cost is small, energy-efficient etc.
Advantage.
Brief description of the drawings
The circuit theory diagrams of Fig. 1 present invention.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of LED sectional dimmings capacitance-resistance driving power, it is characterised in that including 220V AC inputs
P, insure RD, diode D1, D2, D3, D4, D5, D6, resistance R1, R2, R3, R4, R5, R6, R7, R8, electric capacity C1, C2, C3, C4,
C5, C6, bidirectional triode thyristor optocoupler IC2, IC3, sectional dimming chip IC 1, light emitting diode D7 to Dn, the 220V alternating currents are defeated
Enter to hold the tunnels of P mono- to be connected to after insuring RD between diode D1 positive pole and diode D3 negative poles, another way first end and electricity
R1 one end connection is hindered, the second end is connected with electric capacity C2 one end, and the 3rd end is connected with electric capacity C3 one end, the resistance R1 other end
It is connected with one end of bidirectional triode thyristor optocoupler IC2 output ends, electric capacity the C2 other end and bidirectional triode thyristor optocoupler IC2 output ends
The other end is connected, and the electric capacity C3 other end is connected with one end of bidirectional triode thyristor optocoupler IC3 output ends, and electric capacity C1 is connected in parallel on resistance
R1 both ends, resistance R2 are connected in parallel on electric capacity C2 both ends, and resistance R3 is connected in parallel on electric capacity C3 both ends, the bidirectional triode thyristor optocoupler
The IC3 output ends other end is connected with bidirectional triode thyristor optocoupler IC2 output ends one end all the way, and another way is connected to diode D2 positive poles
Between diode D4 negative poles, the bidirectional triode thyristor optocoupler IC2 input anodes connect with bidirectional triode thyristor IC3 input anodes
It is connected to after connecing between diode D6 negative poles and electric capacity C6 positive poles, bidirectional triode thyristor optocoupler IC2 negative pole of output end and resistance R6 mono-
End connection, bidirectional triode thyristor optocoupler IC3 negative pole of output end are connected with resistance R7 one end, resistance the R6 other end and sectional dimming core
Piece IC1 the 8th pin connection, the resistance R7 other end are connected with the 7th pin of sectional dimming chip IC 1, the diode D3 positive poles
Be connected after being connected with diode D4 positive poles with electric capacity C4 negative poles, diode D1 negative poles be connected with diode D2 negative poles after with electric capacity C4
Positive pole is connected, and the electric capacity C4 positive poles are connected with resistance R4 one end, and negative pole is connected with diode D5 positive poles, diode D5 negative poles and
The resistance R4 other ends are connected, and described electric capacity C5 one end is connected with diode D5 positive poles, and the electric capacity C5 other ends connect with resistance R5 positive poles
Connecing, resistance R5 negative poles one end is connected with diode D5 negative poles, and the resistance R5 negative poles other end is connected with diode D6 positive poles, and described two
Pole pipe D6 negative poles one end is connected with electric capacity C6 one end, and the other end is connected with the 5th pin of sectional dimming chip IC 1, and electric capacity C6 is another
End is connected with electric capacity C5 one end, and the 1st pin of the sectional dimming chip IC 1 is connected after being connected with the 3rd pin with electric capacity C5 one end, the
4 pin are connected between electric capacity C5 and resistance R5, and the 6th pin is connected between the 5th pin and diode D6 negative poles, described resistance R4 one end
It is connected all the way with resistance R8 one end, another way is connected with light emitting diode D7 negative poles, and the resistance R8 other ends are another with electric capacity C6 all the way
One end is connected, and another way is connected with light emitting diode Dn positive poles, light emitting diode D7 to the Dn series connection.
Further, the number of the light emitting diode n is 10-20, and D7 to Dn single power is 1W.It is described
Diode D1, D2, D3, D4 are commutation diode, and diode D5 is voltage-regulator diode, and diode D6 is isolating diode；Institute
It is decompression capacitor to state electric capacity C1, C2, C3, and electric capacity C4 is filter capacitor, and electric capacity C5 is 4 pin of sectional dimming chip IC 1
External capacitor, electric capacity C6 are decoupling capacitor；Described resistance R1, R2, R3, R8 are respectively electric capacity C1, C2, C3, C4 electric discharge electricity
Resistance；The resistance R5 is 4 foot control signal input resistances of sectional dimming chip IC 1, and resistance R6, R7 are respectively to be segmented to adjust
Optical chip IC1 7,8 pin output current limiting resistance.
The sectional dimming chip IC 1（NS1834）1 pin be chip ground end, 2,7,8 pin are power take-off, 3
Pin is external reset end, and 4 pin are control signal input, and 5 pin are chip power end, and 6 pin are mode setting terminal.
As shown in figure 1, the operation principle of the present invention is as follows：
Circuit work when, civil power 220V alternating currents through insure RD and electric capacity C1, then through diode D1, D2, D3, D4 composition
Full-wave rectifying circuit rectification, forms stable DC voltage on electric capacity C4, electric capacity C4 positive step voltage all the way through resistance R4,
R5, D6 supply sectional dimming chip IC 1（NS1834）Required operating voltage, another way supply LED light emitting diodes D7 to Dn
Voltage, D7 to Dn is set to light.
, will be in sectional dimming chip IC 1 when being continuously on turning off the power switch（NS1834）2,7,8 pin, output
The control signal of corresponding various combination,（Sectional dimming chip IC 1 is not connect in this application（NS1834）2 pin, only connect segmentation adjust
Optical chip IC1（NS1834）7,8 pin）Sectional dimming chip IC 1（NS1834）7,8 pin output signal voltage, lead to respectively
Resistance R6 and R7 is crossed to go to control bidirectional triode thyristor optocoupler IC2 and IC3.When only sectional dimming chip IC 1（NS1834）7 pin it is defeated
When going out signal voltage, bidirectional triode thyristor optocoupler IC3 output end conducting, make electric capacity C3 in parallel with C1；When only sectional dimming core
Piece IC1（NS1834）8 pin output signal voltage when, bidirectional triode thyristor optocoupler IC2 output end conducting, make electric capacity C2 and C1 simultaneously
Connection；When sectional dimming chip IC 1（NS1834）7,8 pin simultaneously output signal voltage when, bidirectional triode thyristor optocoupler IC3 and IC2
Output end all turn on, make electric capacity C3, C2, C1 in parallel, the different capabilities for so passing through electric capacity C1, C2, C3 combine, it is possible to control
System flows through LED light emitting diodes D7 to Dn current value, so as to reach the purpose of sectional dimming.
In sectional dimming chip IC 1（NS1834）Sequential be：1. 2 pin export, 2. 7 pin export, 3. the output of 8 pin 4. 2,
7th, 8 pin export, it is corresponding control LED light emitting diodes D7 to Dn brightness be sequentially, most secretly, dark, bright, most bright.Sequentially followed with this
Ring changes.
Claims (5)
1. a kind of LED sectional dimmings capacitance-resistance driving power, it is characterised in that including 220V AC inputs P, insurance RD, two
It is pole pipe D1, D2, D3, D4, D5, D6, resistance R1, R2, R3, R4, R5, R6, R7, R8, electric capacity C1, C2, C3, C4, C5, C6, two-way
Controllable silicon optocoupler IC2, IC3, sectional dimming chip IC 1, light emitting diode D7 to Dn, the tunnels of 220V AC inputs P mono-
It is connected to after insuring RD between diode D1 positive pole and diode D3 negative poles, another way is connected with resistance R1 one end,
The one end of the another way also with electric capacity C2 is connected, and the another way is also connected with electric capacity C3 one end, the resistance R1 other end with
One end connection of bidirectional triode thyristor optocoupler IC2 output ends, the electric capacity C2 other end are another with bidirectional triode thyristor optocoupler IC2 output ends
One end is connected, and the electric capacity C3 other end is connected with one end of bidirectional triode thyristor optocoupler IC3 output ends, and electric capacity C1 is connected in parallel on resistance R1
Both ends, resistance R2 is connected in parallel on electric capacity C2 both ends, and resistance R3 is connected in parallel on electric capacity C3 both ends, the bidirectional triode thyristor optocoupler IC3
The output end other end is connected with bidirectional triode thyristor optocoupler IC2 output ends one end all the way, another way be connected to diode D2 positive poles with
Between diode D4 negative poles, the bidirectional triode thyristor optocoupler IC2 input anodes are connected with bidirectional triode thyristor IC3 input anodes
After be connected between diode D6 negative poles and electric capacity C6 positive poles, bidirectional triode thyristor optocoupler IC2 negative pole of output end and resistance R6 one end
Connection, bidirectional triode thyristor optocoupler IC3 negative pole of output end are connected with resistance R7 one end, resistance the R6 other end and sectional dimming chip
IC1 the 8th pin connection, the resistance R7 other end is connected with the 7th pin of sectional dimming chip IC 1, the diode D3 positive poles and
Diode D4 positive poles connection after be connected with electric capacity C4 negative poles, diode D1 negative poles be connected with diode D2 negative poles after with electric capacity C4 just
Pole is connected, and the electric capacity C4 positive poles are connected with resistance R4 one end, and negative pole is connected with diode D5 positive poles, diode D5 negative poles and electricity
The connection of the R4 other ends is hindered, described electric capacity C5 one end is connected with diode D5 positive poles, and the electric capacity C5 other ends are connected with resistance R5 one end,
The resistance R5 other ends are connected with diode D5 negative poles, and the resistance R5 other ends are also connected with diode D6 positive poles, the diode D6
Negative pole one end is connected with electric capacity C6 one end, and the other end is connected with the 5th pin of sectional dimming chip IC 1, the electric capacity C6 other ends and electricity
Hold the connection of C5 one end, the 1st pin of the sectional dimming chip IC 1 is connected after being connected with the 3rd pin with electric capacity C5 one end, the 4th pin company
It is connected between electric capacity C5 and resistance R5, the 6th pin is connected between the 5th pin and diode D6 negative poles, and described resistance R4 one end is all the way
Be connected with resistance R8 one end, another way is connected with light emitting diode D7 negative poles, the resistance R8 other ends all the way with the electric capacity C6 other ends
Connection, another way are connected with light emitting diode Dn positive poles, light emitting diode D7 to the Dn series connection.
2. the LED sectional dimming capacitance-resistance driving powers according to claim 1, it is characterised in that the light emitting diode n
Number be 10-20.
3. the LED sectional dimming capacitance-resistance driving powers according to claim 1, it is characterised in that the diode D1,
D2, D3, D4 are commutation diode, and diode D5 is voltage-regulator diode, and diode D6 is isolating diode.
4. the LED sectional dimming capacitance-resistance driving powers according to claim 1, it is characterised in that the electric capacity C1, C2,
C3 is decompression capacitor, and electric capacity C4 is filter capacitor, and electric capacity C5 is the external capacitor of 4 pin of sectional dimming chip IC 1, electric
Appearance C6 is decoupling capacitor.
5. the LED sectional dimming capacitance-resistance driving powers according to claim 1, it is characterised in that the resistance R1, R2,
R3, R8 are respectively electric capacity C1, C2, C3, C4 discharge resistance, and the resistance R5 is 4 foot controls of sectional dimming chip IC 1
Signal input resistance processed, resistance R6, R7 are respectively the 7 of sectional dimming chip IC 1,8 pin output current limiting resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510207149.1A CN104797054B (en) | 2015-04-28 | 2015-04-28 | LED sectional dimming capacitance-resistance driving powers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510207149.1A CN104797054B (en) | 2015-04-28 | 2015-04-28 | LED sectional dimming capacitance-resistance driving powers |
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| Publication Number | Publication Date |
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| CN104797054A CN104797054A (en) | 2015-07-22 |
| CN104797054B true CN104797054B (en) | 2018-02-06 |
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| CN201510207149.1A Expired - Fee Related CN104797054B (en) | 2015-04-28 | 2015-04-28 | LED sectional dimming capacitance-resistance driving powers |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104797054B (en) * | 2015-04-28 | 2018-02-06 | 中山市俊利来电子科技有限公司 | LED sectional dimming capacitance-resistance driving powers |
Citations (4)
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|---|---|---|---|---|
| EP1937038A2 (en) * | 2006-12-19 | 2008-06-25 | Advanced Dimming Technology Limited | Power regulator |
| CN201708999U (en) * | 2010-06-17 | 2011-01-12 | 吴东发 | Touch led controller |
| CN203560762U (en) * | 2013-11-27 | 2014-04-23 | 四川新力光源股份有限公司 | LED PAR lamp |
| CN104797054A (en) * | 2015-04-28 | 2015-07-22 | 卫斌鹏 | LED sectional dimming resistance-capacitance driving power source |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2225004A1 (en) * | 1997-12-17 | 1999-06-17 | Martin Malenfant | Voltage booster for enabling the power factor controller of a led lamp upon low ac or dc supply |
| US8148919B2 (en) * | 2008-08-05 | 2012-04-03 | O2Micro, Inc | Circuits and methods for driving light sources |
| CN102427633B (en) * | 2010-08-16 | 2013-03-13 | 凹凸电子（武汉）有限公司 | Circuits and methods for driving light sources |
| CN201885015U (en) * | 2010-12-03 | 2011-06-29 | 上海嘉塘电子有限公司 | High-efficiency energy-saving LED (light emitting diode) straight-tube lamp |
-
2015
- 2015-04-28 CN CN201510207149.1A patent/CN104797054B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1937038A2 (en) * | 2006-12-19 | 2008-06-25 | Advanced Dimming Technology Limited | Power regulator |
| CN201708999U (en) * | 2010-06-17 | 2011-01-12 | 吴东发 | Touch led controller |
| CN203560762U (en) * | 2013-11-27 | 2014-04-23 | 四川新力光源股份有限公司 | LED PAR lamp |
| CN104797054A (en) * | 2015-04-28 | 2015-07-22 | 卫斌鹏 | LED sectional dimming resistance-capacitance driving power source |
Non-Patent Citations (2)
| Title |
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| 《NS1834电子分段开关专用控制集成电路》;中国南科集团;《NS1834参数手册》;20070721;全文 * |
| 《NS1834-高性能电子分段开关控制IC的应用》;宋淑伟;《产品应用》;20061123;全文 * |
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Inventor after: Liu Wanli Inventor before: Wei Binpeng Inventor before: Wei Chao |
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Effective date of registration: 20180109 Address after: 528478 Yongxing Road, Guangdong city of Zhongshan province Henglan Town Yongxing Industrial Zone No. 6 building third layer second Applicant after: Zhongshan Jun Li Lai Electronic Technology Co., Ltd. Address before: Yangcheng County in Shanxi province 048103 Jincheng city run town Wangcun Village Applicant before: Wei Binpeng |
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