CN207354670U - A kind of controllable silicon light modulation LED drive power circuit - Google Patents
A kind of controllable silicon light modulation LED drive power circuit Download PDFInfo
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- CN207354670U CN207354670U CN201721087304.1U CN201721087304U CN207354670U CN 207354670 U CN207354670 U CN 207354670U CN 201721087304 U CN201721087304 U CN 201721087304U CN 207354670 U CN207354670 U CN 207354670U
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 23
- 239000010703 silicon Substances 0.000 title claims abstract description 23
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
The utility model discloses a kind of controllable silicon light modulation LED drive power circuit, includes bridge rectifier, leadage circuit, lamp group LED1, lamp group LED2 and lamp group LED3；Divider resistance R7 and divider resistance R8 are further included；The leadage circuit includes resistance R3, resistance R1, resistance R5 and LED constant current driving chip U1；The utility model is by setting leadage circuit, leadage circuit includes resistance R5, LED constant current driving chip U1, resistance R3, resistance R1 compositions leadage circuit all the way, increase and maintain electric current and latching current, when electric current passes through resistance R5, form loss and arrive LED constant current driving chip U1, then the size of current of the circuit is controlled by resistance R3 and R1, R1, so as to control the maintenance size of current that TRIAC is dimmed, the effect that low frequency dodges is realized.
Description
Technical field
It the utility model is related to LED drive power technical field, and in particular to a kind of controllable silicon light modulation LED drive power electricity
Road.
Background technology
LED light modulations have more excellent energy conservation characteristic, suitable for the demand of requirement of the people to illuminating effect and environmental protection, profit
Comfortable lighting environment and special illuminating effect can be made with LED light modulation illuminations.But LED light source cannot be as light
Source equally can directly use utility grid voltage, it must be equipped with dedicated conversion equipment, there is provided disclosure satisfy that driving LED's
Rated voltage and electric current, can just work normally LED, here it is the special driving power circuits of so-called LED, but when dynamic power supply
The circuit and TRIAC light modulators of various brands link together in use, the output current of circuit is unstable so that frequency occurs in LED
The problem of sudden strain of a muscle.
The content of the invention
The purpose of this utility model is to be directed to above-mentioned deficiency of the prior art, there is provided a kind of controllable silicon light modulation LED drives
Dynamic power circuit.
The purpose of this utility model is achieved through the following technical solutions：A kind of controllable silicon light modulation LED drive power circuit, bag
Bridge rectifier, leadage circuit, lamp group LED1, lamp group LED2 and lamp group LED3 are included；Further included divider resistance R7 and
Divider resistance R8；First output terminal of the bridge rectifier pass sequentially through after divider resistance R7, divider resistance R8 with bridge-type
The second output terminal connection of rectification circuit；The first input end of the bridge rectifier and the second input terminal respectively with TRIAC
Light modulator connects；
The leadage circuit includes resistance R3, resistance R1, resistance R5 and LED constant current driving chip U1；The LED is permanent
The feeder ear of stream driving chip U1 is connected by the first output terminal after resistance R5 with bridge rectifier；The LED constant current is driven
The power end of dynamic chip U1 is connected with the second output terminal of constant-current driven chip U1；Lamp group LED1, lamp group LED2 and the lamp
Output terminals of the group LED3 respectively with LED constant current driving chip U1 is connected；The REXT ends of the LED constant current driving chip U1 lead to successively
It is connected after crossing resistance R3, R1 with the second output terminal of bridge rectifier；The light modulation end of the constant-current driven chip U1 and partial pressure
Resistance R7 is connected with the common port of divider resistance R8.
The utility model is further arranged to, and the light modulation end of the LED constant current driving chip U1 leads to decoupling capacitor C3 and bridge
The second output terminal connection of formula rectification circuit.
The utility model is further arranged to, power end and the constant-current driven chip U1 of the LED constant current driving chip U1
The second output terminal between be equipped with decoupling capacitor C1.
The utility model is further arranged to, and the first input end of the bridge rectifier is equipped with protective tube F1.
The utility model is further arranged to, and is set between the first input end of the bridge rectifier and the second input terminal
There is bi-directional voltage stabilizing pipe MOV1.
The utility model is further arranged to, and is set between the first output terminal and the second output terminal of the bridge rectifier
There is bi-directional voltage stabilizing pipe MOV2.
The utility model is further arranged to, the leadage circuit further include the resistance R3A in parallel with resistance R3 and
The resistance R1A in parallel with resistance R1.
The utility model is further arranged to, lamp group LED1, lamp group LED2 and lamp group LED3 and the bridge rectifier electricity
Diode D1 is equipped between first output terminal on road.
The beneficial effects of the utility model：The utility model by setting leadage circuit, leadage circuit include resistance R5,
Leadage circuit, increasing maintain electric current and latching current, work as electric current all the way for LED constant current driving chip U1, resistance R3, resistance R1 compositions
By resistance R5, form loss and arrive LED constant current driving chip U1, then control the electric current of the circuit big by resistance R3 and R1, R1
It is small, so that the maintenance size of current for controlling TRIAC to dim, realizes the effect that low frequency dodges.
Brief description of the drawings
Utility model is described further using attached drawing, but the embodiment in attached drawing does not form and the utility model is appointed
What is limited, without creative efforts, can also be according to the following drawings for those of ordinary skill in the art
Obtain other attached drawings.
Fig. 1 is the circuit diagram of the utility model.
Embodiment
The utility model is further described with the following Examples.
As shown in Figure 1；A kind of controllable silicon light modulation LED drive power circuit described in the present embodiment, includes bridge rectifier
Circuit, leadage circuit, lamp group LED1, lamp group LED2 and lamp group LED3；Divider resistance R7 and divider resistance R8 are further included；Institute
State bridge rectifier the first output terminal pass sequentially through after divider resistance R7, divider resistance R8 with bridge rectifier second
Output terminal connects；The first input end of the bridge rectifier and the second input terminal are connected with TRIAC light modulators respectively；
The leadage circuit includes resistance R3, resistance R1, resistance R5 and LED constant current driving chip U1；The LED is permanent
The feeder ear of stream driving chip U1 is connected by the first output terminal after resistance R5 with bridge rectifier；The LED constant current is driven
The power end of dynamic chip U1 is connected with the second output terminal of constant-current driven chip U1；Lamp group LED1, lamp group LED2 and the lamp
Output terminals of the group LED3 respectively with LED constant current driving chip U1 is connected；The REXT ends of the LED constant current driving chip U1 lead to successively
It is connected after crossing resistance R3, R1 with the second output terminal of bridge rectifier；The light modulation end of the constant-current driven chip U1 and partial pressure
Resistance R7 is connected with the common port of divider resistance R8.
Specifically, the controllable silicon light modulation LED drive power circuit described in the present embodiment, by setting bridge rectifier will
The AC conversion of TRIAC light modulators is direct current to provide the driving power of lamp group LED1, lamp group LED2 and lamp group LED3；
Additionally by leadage circuit is set, be able to maintain that the size of current of output, specifically, resistance R5, LED constant current driving chip U1,
Leadage circuit, increasing maintain electric current and latching current to resistance R3, resistance R1 composition all the way, when electric current passes through resistance R5, formation damage
LED constant current driving chip U1 is consumed, then the size of current of the circuit is controlled by resistance R3 and R1, R1, so as to control TRIAC tune
The maintenance size of current of light, realizes the effect that low frequency dodges；By adjusting divider resistance R7, the resistance value of divider resistance R8 being capable of basis
Different light modulator species come change triangular angular and light modulation depth, in addition, in lamp group LED1, lamp group LED2 and lamp group LED3
Place sets capacitance C6, C7, C8 respectively, the problem of by setting capacitance C6, C7, C8 further to improve stroboscopic.
A kind of controllable silicon light modulation LED drive power circuit described in the present embodiment, the tune of the LED constant current driving chip U1
Light end leads to decoupling capacitor C3 and the second output terminal of bridge rectifier connects.Made an uproar by setting decoupling capacitor C3 to reduce
Sound so that the light modulation end signal transmission of LED constant current driving chip U1 is more stablized.
A kind of controllable silicon light modulation LED drive power circuit described in the present embodiment, the electricity of the LED constant current driving chip U1
Decoupling capacitor C1 is equipped between source and the second output terminal of constant-current driven chip U1.By setting decoupling capacitor C1 to reduce
Noise so that the input power of LED constant current driving chip U1 is more stablized.
A kind of controllable silicon light modulation LED drive power circuit described in the present embodiment, the first of the bridge rectifier are defeated
Enter end and be equipped with protective tube F1.By setting protective tube F1 to be protected to circuit.
A kind of controllable silicon light modulation LED drive power circuit described in the present embodiment, the first of the bridge rectifier are defeated
Enter and be equipped with bi-directional voltage stabilizing pipe MOV1 between end and the second input terminal.By defeated in the first input end of bridge rectifier and second
Surge protection can be carried out equipped with bi-directional voltage stabilizing pipe MOV1 between holding to it by entering.
A kind of controllable silicon light modulation LED drive power circuit described in the present embodiment, the first of the bridge rectifier are defeated
Bi-directional voltage stabilizing pipe MOV2 is equipped between outlet and the second output terminal.By defeated in the first output terminal of bridge rectifier and second
Bi-directional voltage stabilizing pipe MOV2 is equipped between outlet to carry out surge protection to it.
A kind of controllable silicon light modulation LED drive power circuit described in the present embodiment, the leadage circuit have further included and electricity
Hinder the resistance R3A and the resistance R1A in parallel with resistance R1 of R3 parallel connections.By setting resistance R3A and resistance R1A user
Can be by adjusting R1A, the resistance value of resistance R3A changes LED current size.
A kind of controllable silicon light modulation LED drive power circuit described in the present embodiment, the lamp group LED1, lamp group LED2 and
Diode D1 is equipped between lamp group LED3 and the first output terminal of bridge rectifier.The effect of diode D1 is exactly when input electricity
When pressure is turned down, the electric discharge of capacitance does not interfere with U1.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality
With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general
Lead to it will be appreciated by the skilled person that can be to the technical solution of the utility model technical scheme is modified or replaced equivalently, without departing from this
The spirit and scope of utility model technical solution.
Claims (8)
- A kind of 1. controllable silicon light modulation LED drive power circuit, it is characterised in that：Include bridge rectifier, leadage circuit, lamp Group LED1, lamp group LED2 and lamp group LED3；Divider resistance R7 and divider resistance R8 are further included；The bridge rectifier First output terminal is connected after passing sequentially through divider resistance R7, divider resistance R8 with the second output terminal of bridge rectifier；It is described The first input end of bridge rectifier and the second input terminal are connected with TRIAC light modulators respectively；The leadage circuit includes resistance R3, resistance R1, resistance R5 and LED constant current driving chip U1；The LED constant current is driven The feeder ear of dynamic chip U1 is connected by the first output terminal after resistance R5 with bridge rectifier；The LED constant current drives core The power end of piece U1 is connected with the second output terminal of constant-current driven chip U1；Lamp group LED1, lamp group LED2 and the lamp group Output terminals of the LED3 respectively with LED constant current driving chip U1 is connected；The REXT ends of the LED constant current driving chip U1 pass sequentially through It is connected after resistance R3, R1 with the second output terminal of bridge rectifier；The light modulation end of the constant-current driven chip U1 and partial pressure electricity Resistance R7 is connected with the common port of divider resistance R8.
- A kind of 2. controllable silicon light modulation LED drive power circuit according to claim 1, it is characterised in that：The LED constant current The light modulation end of driving chip U1 leads to decoupling capacitor C3 and the second output terminal of bridge rectifier connects.
- A kind of 3. controllable silicon light modulation LED drive power circuit according to claim 1, it is characterised in that：The LED constant current Decoupling capacitor C1 is equipped between the power end of driving chip U1 and the second output terminal of constant-current driven chip U1.
- A kind of 4. controllable silicon light modulation LED drive power circuit according to claim 1, it is characterised in that：The bridge-type is whole The first input end of current circuit is equipped with protective tube F1.
- A kind of 5. controllable silicon light modulation LED drive power circuit according to claim 1, it is characterised in that：The bridge-type is whole Bi-directional voltage stabilizing pipe MOV1 is equipped between the first input end of current circuit and the second input terminal.
- A kind of 6. controllable silicon light modulation LED drive power circuit according to claim 1, it is characterised in that：The bridge-type is whole Bi-directional voltage stabilizing pipe MOV2 is equipped between the first output terminal and the second output terminal of current circuit.
- A kind of 7. controllable silicon light modulation LED drive power circuit according to claim 1, it is characterised in that：The vent discharge Road further includes the resistance R3A in parallel with the resistance R3 and resistance R1A in parallel with resistance R1.
- A kind of 8. controllable silicon light modulation LED drive power circuit according to claim 1, it is characterised in that：The lamp group Diode D1 is equipped between LED1, lamp group LED2 and lamp group LED3 and the first output terminal of bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721087304.1U CN207354670U (en) | 2017-08-28 | 2017-08-28 | A kind of controllable silicon light modulation LED drive power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721087304.1U CN207354670U (en) | 2017-08-28 | 2017-08-28 | A kind of controllable silicon light modulation LED drive power circuit |
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| Publication Number | Publication Date |
|---|---|
| CN207354670U true CN207354670U (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721087304.1U Active CN207354670U (en) | 2017-08-28 | 2017-08-28 | A kind of controllable silicon light modulation LED drive power circuit |
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| CN (1) | CN207354670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714867A (en) * | 2019-03-04 | 2019-05-03 | 无锡奥利杰科技有限公司 | A kind of leakage current adaptation control circuit |
-
2017
- 2017-08-28 CN CN201721087304.1U patent/CN207354670U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109714867A (en) * | 2019-03-04 | 2019-05-03 | 无锡奥利杰科技有限公司 | A kind of leakage current adaptation control circuit |
| CN109714867B (en) * | 2019-03-04 | 2021-07-27 | 无锡奥利杰科技有限公司 | Self-adaptive control circuit for discharging current |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Dongshan Village Industrial Zone, Guangdong city of Dongguan province Qishi town 523000 Patentee after: Jianda Chuangzhi Technology Co.,Ltd. Address before: Dongshan Village Industrial Zone, Guangdong city of Dongguan province Qishi town 523511 Patentee before: KEE TAT LIGHTING HOLDINGS Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240125 Address after: 523000 No. 2, mowujiwei Industrial Road, Qishi Town, Dongguan City, Guangdong Province Patentee after: Jianda Intelligent Technology Co.,Ltd. Country or region after: China Address before: 523000 Dongshan Village Industrial Zone, Qishi Town, Dongguan City, Guangdong Province Patentee before: Jianda Chuangzhi Technology Co.,Ltd. Country or region before: China |
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