CN207184857U - A kind of Multifunctional light-control LED lamp drive circuit - Google Patents
A kind of Multifunctional light-control LED lamp drive circuit Download PDFInfo
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- CN207184857U CN207184857U CN201621147645.9U CN201621147645U CN207184857U CN 207184857 U CN207184857 U CN 207184857U CN 201621147645 U CN201621147645 U CN 201621147645U CN 207184857 U CN207184857 U CN 207184857U
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Abstract
The utility model is applied to a kind of Multifunctional light-control LED lamp drive circuit field, and main purpose of the present utility model is to provide a kind of Multifunctional light-control LED lamp drive circuit, including LED drive module and control module；Control module is used to control being turned on or off for LED, and LED drive module provides electric energy to LED light control module and is powered；Wherein described LED drive module and control module are in the layout of on same circuit board.Be intended to simplify circuit, two pieces of wiring boards, cost is high, is incorporated into one piece of circuit board now, reduces cost, realizes the light control functionality of LED lamp, can intelligent-induction environment bright secretly change, control being turned on and off for LED, it is convenient use, cost-effective.
Description
Technical field
Field of LED drive is the utility model is related to, more particularly to a kind of Multifunctional light-control LED lamp drive circuit.
Background technology
LED illumination is a kind of new type light source of rapid rising development in recent years, and its many good features cause answering for it
It is more and more wider with face.Because light fixture is typically all to close daytime, night opens, so occur can allowing electricity with external environment light
The light-controlled lamp that stream is switched on or switched off.The existing light fixture with light control functionality is traditional incandescent lamp, in the prior art, passes through light
Control to realize that LED is closed in the design with opening, control module is single use PCB with LED drive circuit and set
Meter, it can so increase the production cost of light-operated LED, make circuit complicated, be the technical problems to be solved in the utility model.
Utility model content
Main purpose of the present utility model is to provide a kind of Multifunctional light-control LED lamp drive circuit, it is intended to simplify circuit, will
Two pieces of wiring boards are incorporated into one piece of wiring board, reduce cost, realize the light control functionality of LED lamp, can intelligent-induction environment bright
Dark change, controls being turned on and off for LED, convenient use.
The utility model be achieved in that a kind of Multifunctional light-control LED lamp drive circuit, including LED drive modules with
And control module；Control module is used to control being turned on or off for LED, and LED drive module provides electric energy to LED light control module
It is powered；Wherein described LED drive module and control module are in the layout of on same circuit board.
Further, in addition to：Voltage transformation module and current control module；Wherein described voltage transformation module is used for will
100-264V alternating voltages are converted into the input voltage to match with the LED drive circuit, and current control module is used to drive LED
Lamp-controlling circuit, for control electric current within a preset range.
Further, the output end connection LED drive module of the voltage transformation module and the input of control module；Electricity
The output end connection LED drive circuit of flow control module and the input of light-operated circuit；The input and light of LED drive circuits
The input for controlling module interconnects.
Further, the input termination 100-264V of voltage transformation module AC-input voltage, parallel connection have
Piezo-resistance and low-pass first order filter, the low-pass first order filter are resistance set and electric capacity XC1, the resistance set
For the connecting of RX1 and RX2, filtered signal passes through inductance L1, after electric pressure converter, the output model required for circuit below
Enclose interior output voltage.DC voltage after the conversion of output exports after inductance L2 after reconnecting low-pass first order filter
LED drive circuit and light-operated circuit to rear class provide input voltage.The wherein input termination inductance L2 of low-pass first order filter
Output end, low-pass first order filter output termination LED drive circuit and light-operated circuit input.
Further, LED drive module includes, transformer EE16 and resistance R18, electric capacity C8 and commutation diode D3 groups
Into absorption circuit, the output end connection electric capacity C9 and C10 and resistance R19 of absorption circuit.
Further, the absorption circuit includes transformer EE16, transformer EE16 output end connection resistance R18
With electric capacity C8, resistance R18 and electric capacity C8 to be connected in series, the positive pole of common output end connection LED both it.
Further, another output end connection LED of transformer negative pole, while two output points of transformer
Electric capacity C9, C10 and resistance R19 are parallel with successively.
Further, current control module includes：Resistance R7 input connection electric capacity C4, resistance R7 output end and
Electric capacity C4 output end connection electric capacity C6 both ends, the output pin of R7 output end connection current control chip, current control
The input of the output pin access LED drive circuit of chip.
Further, control module includes：Resistance R11 and R12 are connected in series, resistance R12 output end connection diode
ZD1 and electric capacity C7,
Further, the control module includes switching Q1 and Q2, Q3, for controlling the opening and closing of LED.
LED drive circuit of the present utility model has used above-mentioned LED drive circuit, realizes LED drive circuit and light
The integration of circuit is controlled, circuit is simplified, has saved industrial production cost.
Brief description of the drawings
Fig. 1 is a kind of module frame chart for Multifunctional light-control LED lamp drive circuit that the utility model embodiment one provides；
Fig. 2 is this physical circuit figure using a kind of Multifunctional light-control LED lamp drive circuit of new offer.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Refer to Fig. 1 and Fig. 2, the utility model embodiment one：
The utility model proposes an a kind of embodiment of new light-operated LED drive circuit, a kind of multifunctional light controlled LED lamp
Drive circuit, including voltage transformation module, LED drive module, current control module and LED light control module section, wherein institute
Modules are stated to be in the layout of in the PCB of same area.
Wherein, LED drive module provides electric energy to LED light control module and is powered.Voltage transformation module is used for 100-
264V alternating voltages are converted into the input voltage to match with the LED drive circuit.LED control modules are used to control opening for LED
Open or close.Certainly, it is not limited to be turned on or off herein, the luminous intensity that can also control LED is different grade.
Current control module is used to drive LED control circuit, for control electric current in suitable scope.
Voltage transformation module carries out photovoltaic conversion, by the voltage output after conversion to LED drive circuit, while passes through resistance
R11 and R12 is connected to the input of control module；The input of LED drive circuit is while be connected to voltage transformation module, simultaneously
It is connected to control module；The output end of current control module with R12 by resistance R11 while connect light source control module, on one side
By capacity earth, to control the size of the input current of control module and LED drive module.
The input termination 100-264V of the voltage transformation module defeated input voltage of exchange, parallel connection have piezo-resistance MOV1
And low-pass first order filter, the low-pass first order filter are that resistance set and electric capacity XC1, the resistance collection are combined into RX1 and RX2
Connect, filtered signal passes through inductance L1, after electric pressure converter, export the output in the scope required for circuit below
Voltage.DC voltage after the conversion of output exports the LED to rear class after inductance L2 after reconnection low-pass first order filter
Drive circuit and light-operated circuit provide input voltage.The wherein input termination inductance L2 of low-pass first order filter output end, one
The output termination LED drive circuit of rank low pass filter and the input of light-operated circuit.
LED drive module includes, output voltage after transformer with resistance R18, electric capacity C8 and commutation diode D3 groups
Into absorption circuit, it is to suppress peak-inverse voltage (surge voltage) influence to diode that it, which is acted on, resistance to protection diode
Pressure deficiency will not cause possible damage, the output end connection electric capacity C9 and C10 and resistance R19 of absorption circuit.
Current control module includes：Resistance R7 input connection electric capacity C4, resistance R7 output end and electric capacity C4's is defeated
Go out end connection electric capacity C6 both ends, R7 output end connects the output pin of current control chip, and 7, the 8 of current control chip are defeated
Go out the input of pin access LWD drive circuits.
LED light control module includes：Resistance R11 and R12 connect, and as protective resistance, resistance R12 output end connects two poles
Pipe ZD1 and electric capacity C7, protection electric capacity C7 prevent from burning out caused by overload.The control module includes switching Q1 and Q2, Q3, is used for
Control the opening and closing of LED.
The voltage transformation module, LED drive module, current control module and LED light control module section compact arrangement
Be connected on same pcb board card, greatly save need in the prior art will it is light-operated and driving set two allegro cassette tapes come
Cost wastes.
Claims (8)
1. a kind of Multifunctional light-control LED lamp drive circuit, it is characterised in that including LED drive module and control module；It is described
Control module is used to control being turned on or off for LED, and the LED drive module provides electric energy to the control module；It is described
LED drive module and the control module are in the layout of on same circuit board；
Also include：Voltage transformation module and current control module；Wherein described voltage transformation module is used to exchange 100-264V
Into the input voltage to match with the LED lamp drive circuit, the current control module is used to drive LED control electric voltage conversion
Road, for control electric current within a preset range；
The output end connection LED drive module of the voltage transformation module and the input of control module；Current control module
Output end connects the input of LED drive circuit and light-operated circuit；The input of LED drive circuit and the input of control module
Interconnect.
2. Multifunctional light-control LED lamp drive circuit as claimed in claim 1, it is characterised in that the voltage transformation module
Input termination 100-264V AC-input voltage, being connected in parallel has piezo-resistance and low-pass first order filter, and the single order is low
Bandpass filter is resistance set and electric capacity XC1, and the resistance collection is combined into the connecting of RX1 and RX2, filtered signal passes through inductance
L1, after electric pressure converter, export the output voltage in the scope required for circuit below；DC voltage after the conversion of output
After inductance L2, exported after reconnection low-pass first order filter and provide input to the LED drive circuit and light-operated circuit of rear class
Voltage；The wherein input termination inductance L2 of low-pass first order filter output end, the output termination LED of low-pass first order filter drive
The input of dynamic circuit and light-operated circuit.
3. Multifunctional light-control LED lamp drive circuit as claimed in claim 2, it is characterised in that LED drive module includes, and becomes
Depressor EE16 and resistance R18, electric capacity C8 and commutation diode D3 composition absorption circuits, the output end connection electric capacity of absorption circuit
C9 and C10 and resistance R19.
4. Multifunctional light-control LED lamp drive circuit as claimed in claim 3, it is characterised in that the absorption circuit includes becoming
Depressor EE16, transformer the EE16 connection of an output end resistance R18 and electric capacity C8, resistance R18 and electric capacity C8 are to be connected in series,
The positive pole of common output end connection LED both it.
5. Multifunctional light-control LED lamp drive circuit as claimed in claim 4, it is characterised in that the transformer another
Output end connects LED negative pole, while two output points of transformer are parallel with electric capacity C9, C10 and resistance R19 successively.
6. Multifunctional light-control LED lamp drive circuit as claimed in claim 1, it is characterised in that current control module includes：Electricity
R7 input connection electric capacity C4 is hindered, resistance R7 output end connects electric capacity C6 both ends with electric capacity C4 output end, and R7's is defeated
Go out the output pin of end connection current control chip, the input of the output pin access LED drive circuit of current control chip.
7. Multifunctional light-control LED lamp drive circuit as claimed in claim 1, it is characterised in that control module includes：Series connection connects
The resistance R11 and R12 connect, resistance R12 output end connect diode ZD1 and electric capacity C7.
8. Multifunctional light-control LED lamp drive circuit as claimed in claim 7, it is characterised in that the control module includes out
Q1 and Q2, Q3 are closed, for controlling the opening and closing of LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621147645.9U CN207184857U (en) | 2016-10-21 | 2016-10-21 | A kind of Multifunctional light-control LED lamp drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621147645.9U CN207184857U (en) | 2016-10-21 | 2016-10-21 | A kind of Multifunctional light-control LED lamp drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207184857U true CN207184857U (en) | 2018-04-03 |
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ID=61732088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621147645.9U Active CN207184857U (en) | 2016-10-21 | 2016-10-21 | A kind of Multifunctional light-control LED lamp drive circuit |
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| Country | Link |
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| CN (1) | CN207184857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109413799A (en) * | 2018-11-02 | 2019-03-01 | 华域视觉科技(上海)有限公司 | A kind of pcb board layout system suitable for LED lamp for vehicles |
-
2016
- 2016-10-21 CN CN201621147645.9U patent/CN207184857U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109413799A (en) * | 2018-11-02 | 2019-03-01 | 华域视觉科技(上海)有限公司 | A kind of pcb board layout system suitable for LED lamp for vehicles |
| CN109413799B (en) * | 2018-11-02 | 2024-04-02 | 华域视觉科技(上海)有限公司 | PCB layout system suitable for automobile LED lamps and lanterns |
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