CN206136369U - Switch light modulation control circuit - Google Patents
Switch light modulation control circuit Download PDFInfo
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- CN206136369U CN206136369U CN201620785936.4U CN201620785936U CN206136369U CN 206136369 U CN206136369 U CN 206136369U CN 201620785936 U CN201620785936 U CN 201620785936U CN 206136369 U CN206136369 U CN 206136369U
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Abstract
The utility model discloses a switch light modulation control circuit, including AC input, emi circuit, rectification filter circuit, direct current constant current converting circuit, LED module, light modulation control circuit and ON -OFF control circuit, AC input pass through emi circuit and be connected with rectification filter circuit, rectification filter circuit be connected with direct current constant current converting circuit through light modulation control circuit, correction circuit respectively, direct current constant current converting circuit connect the LED module, ON -OFF control circuit connected emi circuit and direct current constant current converting circuit. Only need an ordinary switch, need not to change former distribution lines, realize control LED lamp.
Description
Technical field
This utility model is related to a kind of control circuit of LED, more particularly, to a kind of switch dimming control circuit.
Background technology
Light emitting diode (LightEmitting Diode, LED), is a kind of semiconductor subassembly.It is at the beginning to be used as indicating more
Lamp, display light-emitting diode panel etc.；With the appearance of white light LEDs, used also as illumination.LED is referred to as forth generation lighting source
Or green light source, the features such as with energy-saving and environmental protection, life-span length, small volume, it is widely used in various instructions, display, decoration, the back of the body
The fields such as light source, general lighting and urban landscape.
LED A60 bulb lamp lamps compare the U-shaped electricity-saving lamps of CFL energy-saving effect by about one time, with more environmental protection, long-life
The features such as, the light regulating technology high cost of CFL, volume are big.LED light regulating technology is easy, low cost.At present in the LED for using
Light regulating technology, includes phase-cut dimmer light modulation, and switch segmentation light modulation switchs continuously unidirectional light modulation, and these technologies enrich LED
The application experience of lamp.As the standard in country variant, area is different, the technology for adopting difference is controlled to light-source brightness, it is American-European to send out
The brightness that phase-cut dimmer controls lamp is mostly configured up to national family, and Asian countries is seldom controlled as domestic lighting with this
Light modulation means, the substantially still original on-off mode of Lighting control so that illumination can not well adapt to different environment to be needed
Ask, there is the partially bright partially dark universal phenomenon of brightness.With growth in the living standard, people's focussing ring border is increasingly paid attention to, control
The requirement in Mingguang City source also more and more higher.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of switch dimming control circuit, propose one closer to
The LED dimming control technique of people's use habit.
This utility model solve the technical scheme that adopted of above-mentioned technical problem for：A kind of switch dimming control circuit, bag
Include ac input end, EMI circuits, current rectifying and wave filtering circuit, direct current constant current change-over circuit, LED module, adjusting control circuit and switch
Control circuit, described ac input end are connected with current rectifying and wave filtering circuit by EMI circuits, described current rectifying and wave filtering circuit difference
Connected by adjusting control circuit, correcting circuit and direct current constant current change-over circuit, described direct current constant current change-over circuit connection LED
Module, described ON-OFF control circuit are connected to EMI circuits and direct current constant current change-over circuit.
Described ON-OFF control circuit includes microcontroller DC power-supply circuit, microcontroller and detection circuit, described
Direct current constant current change-over circuit is connected with microcontroller after microcontroller DC power-supply circuit, described microcontroller and light modulation
Control circuit connects, and detection circuit is provided between described EMI circuits and microcontroller, and described microcontroller is model
The second chips of SY-LC02.
Described detection circuit includes the 4th audion, the 3rd Zener diode and the 19th resistance, the described the 19th
One end of resistance is connected with the 5th pin of the second chip, and the other end of the 19th resistance is connected with the base stage of the 4th audion,
The grounded emitter of the 4th described audion, the colelctor electrode of the 4th audion are connected with adjusting control circuit, and the described the 3rd
The positive terminal ground connection of Zener diode, the negative pole end of the 3rd Zener diode is connected with the 6th pin of the second chip, described
The 8th pin ground connection of the second chip, the 6th pin of the second chip are connected with EMI circuits.
Described ac input end includes zero line input and live wire, and described EMI circuits include the first inductance and second
Inductance, one end of the first described inductance are connected with zero line input, and the other end of the first inductance is connected to current rectifying and wave filtering circuit,
One end of the second described inductance is connected with live wire, and the other end of the second inductance is connected to current rectifying and wave filtering circuit, and described first
The first electric capacity is connected between one end of one end of inductance and the second inductance, the other end of the first inductance is another with the second inductance
The second electric capacity is connected between end.
Described current rectifying and wave filtering circuit is included the second audion, the second diode and is connected with the first inductance, the second inductance
The rectifier bridge for connecing, described rectifier bridge are connected with the colelctor electrode of the second audion by the 3rd inductance, 3rd resistor, and described the
It is grounded after the emitter stage of two audions the 4th resistance in parallel and the 5th resistance, the base stage of the second audion is electric by the tenth
Resistance is connected with adjusting control circuit, and the colelctor electrode of the second described audion is connected by the positive pole of 3rd resistor and the second diode
Connect, the negative pole of the second described diode is grounded after the first electrochemical capacitor, outside the 3rd described inductance and the second diode
It is parallel with the first diode.
Described adjusting control circuit includes the first chip of model IW3612 and the first chip DC power-supply circuit,
The DC power-supply circuit of the first described chip includes the 3rd audion and the first Zener diode, described the 3rd audion
Base stage is grounded after the first Zener diode, the base stage of the 3rd audion three-prong respectively with the first chip, rectifier bridge
Connection, the colelctor electrode of the 3rd described audion is connected with the negative pole end of the second diode, the transmitting of described the 3rd audion
Pole is connected with the 8th pin of the first chip.
Compared with prior art, the utility model has the advantage of being provided with ON-OFF control circuit, ON-OFF control circuit with
Adjusting control circuit connects, and light modulation of the present utility model can be realized by single switch, it is not necessary to design configurations cut
Dimmer.Being different from tradition light modulation adopts secondary circuit, this utility model to adopt stage circuit.This utility model is to A60LED balls
The control of bubble lamp only needs a common on and off switch, need not change first wife's electric line, and the realization of low cost changes 1W-10W work(
The brightness regulation of rate LED.
Description of the drawings
Fig. 1 is this utility model theory diagram；
Fig. 2 is circuit diagram of the present utility model.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figure 1 to Figure 2：A kind of switch dimming control circuit, including ac input end, EMI circuits 1, rectifying and wave-filtering
Circuit 2, direct current constant current change-over circuit 4, LED module 5, adjusting control circuit 8 and ON-OFF control circuit, ac input end pass through
EMI circuits 1 are connected with current rectifying and wave filtering circuit 2, and current rectifying and wave filtering circuit 2 passes through adjusting control circuit 8, correcting circuit and direct current respectively
Constant current change-over circuit 4 connects, the connection LED module 5 of direct current constant current change-over circuit 4, ON-OFF control circuit be connected to EMI circuits 1 with
Direct current constant current change-over circuit 4.
ON-OFF control circuit includes microcontroller DC power-supply circuit 6, microcontroller 7 and detection circuit 9, and direct current constant current turns
Circuit 4 is changed by being connected with microcontroller 7 after microcontroller DC power-supply circuit 6, microcontroller 7 is connected with adjusting control circuit 8
Connect, between EMI circuits 1 and microcontroller 7, be provided with detection circuit 9, microcontroller 7 is the second chip of model SY-LC02
IC2。
Microcontroller DC power-supply circuit 6 include three terminal regulator V1, the 4th diode D4, the 3rd electrochemical capacitor CE3 with
The positive terminal of the 4th electrochemical capacitor CE4, the 4th diode D4 is connected with direct current constant current change-over circuit 4, and the 4th diode D4's is negative
Extremely it is connected with the input of three terminal regulator V1, the positive terminal of the 3rd electrochemical capacitor CE3 and the input of three terminal regulator V1
Connection, the negative pole end ground connection of the 3rd electrochemical capacitor CE3, the positive terminal of the 4th electrochemical capacitor CE4 and the output of three terminal regulator V1
The first pipe of end connection, the negative pole end ground connection of the 4th electrochemical capacitor CE4, the outfan of three terminal regulator V1 and the second chip IC 2
Foot connects.
Detection circuit 9 includes the 4th audion Q4, the 3rd Zener diode Z3 and the 19th resistance R19, the 19th resistance
One end of R19 is connected with the 5th pin of the second chip IC 2, the base of the other end and the 4th audion Q4 of the 19th resistance R19
Pole connects, and the grounded emitter of the 4th audion Q4, the colelctor electrode of the 4th audion Q4 are connected with adjusting control circuit 8, and the 3rd
The positive terminal ground connection of Zener diode Z3, the negative pole end of the 3rd Zener diode Z3 are connected with the 6th pin of the second chip IC 2,
The 8th pin ground connection of the second chip IC 2, the 6th pin of the second chip IC 2 are connected with EMI circuits 1.
Ac input end includes zero line input ACL and live wire input ACN, and EMI circuits 1 include the first inductance L1 and the
One end of two inductance L2, the first inductance L1 is connected with zero line input ACL, and the other end of the first inductance L1 is connected to rectifying and wave-filtering
Circuit 2, one end of the second inductance L2 are connected with live wire input ACN, and the other end of the second inductance L2 is connected to rectifying and wave-filtering electricity
The first electric capacity C1, the other end of the first inductance L1 are connected between one end of road 2, one end of the first inductance L1 and the second inductance L2
The second electric capacity C2 is connected with and the other end of the second inductance L2 between.
Current rectifying and wave filtering circuit 2 include the second audion Q2, the second diode D2 and with the first inductance L1, the second inductance L2
The rectifier bridge BR1 of connection, rectifier bridge BR1 are connected with the colelctor electrode of the second audion Q2 by the 3rd inductance L3,3rd resistor R3,
It is grounded after the emitter stage of the second audion Q2 the 4th resistance R4 in parallel and the 5th resistance R5, the base stage of the second audion Q2
It is connected with adjusting control circuit 8 by the tenth resistance R10, the colelctor electrode of the second audion Q2 passes through 3rd resistor R3 and the two or two
The positive pole connection of pole pipe D2, the negative pole of the second diode D2 are grounded after the first electrochemical capacitor CE1, the 3rd inductance L3 and second
Diode D2 loong shunts have the first diode D1.
Adjusting control circuit 8 includes first chip IC 1 and the first chip DC power-supply circuit of model IW3612, the
The DC power-supply circuit of one chip IC 1 includes the 3rd audion Q3 and the first Zener diode Z1, the base stage of the 3rd audion Q3
It is grounded after the first Zener diode Z1, the base stage of the 3rd audion Q3 three-prong respectively with the first chip IC 1, rectification
Bridge BR1 connects, and the colelctor electrode of the 3rd audion Q3 is connected with the negative pole end of the second diode D2, the emitter stage of the 3rd audion Q3
It is connected with the 8th pin of the first chip IC 1.
Claims (7)
1. a kind of switch dimming control circuit, it is characterised in that including ac input end, EMI circuits, current rectifying and wave filtering circuit, direct current
Constant current change-over circuit, LED module, adjusting control circuit and ON-OFF control circuit, described ac input end by EMI circuits with
Current rectifying and wave filtering circuit connects, and described current rectifying and wave filtering circuit is turned by adjusting control circuit, correcting circuit and direct current constant current respectively
Circuit connection is changed, described direct current constant current change-over circuit connection LED module, described ON-OFF control circuit are connected to EMI circuits
With direct current constant current change-over circuit.
2. a kind of switch dimming control circuit according to claim 1, it is characterised in that described ON-OFF control circuit bag
Microcontroller DC power-supply circuit, microcontroller and detection circuit are included, described direct current constant current change-over circuit passes through microcontroller
Be connected with microcontroller after DC power-supply circuit, described microcontroller is connected with adjusting control circuit, described EMI circuits with
Detection circuit is provided between microcontroller, described microcontroller is the second chip of model SY-LC02.
3. a kind of switch dimming control circuit according to claim 2, it is characterised in that described microcontroller direct current is supplied
Circuit includes three terminal regulator, the 4th diode, the 3rd electrochemical capacitor and the 4th electrochemical capacitor, described the 4th diode
Positive terminal is connected with direct current constant current change-over circuit, and the described negative pole end of the 4th diode is connected with the input of three terminal regulator
Connect, the positive terminal of the 3rd described electrochemical capacitor is connected with the input of three terminal regulator, the negative pole termination of the 3rd electrochemical capacitor
Ground, the positive terminal of the 4th described electrochemical capacitor are connected with the outfan of three terminal regulator, the negative pole termination of the 4th electrochemical capacitor
Ground, the described outfan of three terminal regulator are connected with the first pin of the second chip.
4. a kind of switch dimming control circuit according to claim 3, it is characterised in that described detection circuit includes
Four audions, the 3rd Zener diode and the 19th resistance, described one end of the 19th resistance are managed with the 5th of the second chip
Foot connects, and the other end of the 19th resistance is connected with the base stage of the 4th audion, the grounded emitter of described the 4th audion,
The colelctor electrode of the 4th audion is connected with adjusting control circuit, and the positive terminal of the 3rd described Zener diode is grounded, and the 3rd is steady
The negative pole end of pressure diode is connected with the 6th pin of the second chip, and the 8th pin of the second described chip is grounded, the second core
6th pin of piece is connected with EMI circuits.
5. a kind of switch dimming control circuit according to claim 1, it is characterised in that described ac input end includes
Zero line input and live wire, described EMI circuits include the first inductance and the second inductance, one end and zero of described the first inductance
Line input connects, and the other end of the first inductance is connected to current rectifying and wave filtering circuit, and one end of the second described inductance is connected with live wire
Connect, the other end of the second inductance is connected to current rectifying and wave filtering circuit, one end of described the first inductance and one end of the second inductance it
Between be connected between the other end of the first electric capacity, the other end of the first inductance and the second inductance and be connected with the second electric capacity.
6. a kind of switch dimming control circuit according to claim 5, it is characterised in that described current rectifying and wave filtering circuit bag
Include the second audion, the second diode and with the first inductance, the rectifier bridge of the second inductance connection, described rectifier bridge is by the
Three inductance, 3rd resistor are connected with the colelctor electrode of the second audion, the emitter stage of described the second audion in parallel
It is grounded after four resistance and the 5th resistance, the base stage of the second audion is connected with adjusting control circuit by the tenth resistance, described
The colelctor electrode of the second audion is connected with the positive pole of the second diode by 3rd resistor, and the negative pole of the second described diode leads to
It is grounded after crossing the first electrochemical capacitor, the 3rd described inductance and the second diode loong shunt have the first diode.
7. a kind of switch dimming control circuit according to claim 6, it is characterised in that described adjusting control circuit bag
Include first chip and the first chip DC power-supply circuit of model IW3612, the DC power-supply circuit of described the first chip
Including the 3rd audion and the first Zener diode, the base stage of the 3rd described audion is followed by by the first Zener diode
Ground, the base stage of the 3rd audion three-prong respectively with the first chip, rectifier bridge are connected, the current collection of described the 3rd audion
Pole is connected with the negative pole end of the second diode, and the described emitter stage of the 3rd audion is connected with the 8th pin of the first chip.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620222036 | 2016-03-16 | ||
| CN2016202220369 | 2016-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206136369U true CN206136369U (en) | 2017-04-26 |
Family
ID=58563127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620785936.4U Active CN206136369U (en) | 2016-03-16 | 2016-07-07 | Switch light modulation control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206136369U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764437A (en) * | 2017-10-30 | 2018-03-06 | 太原理工大学 | Drawing and pressing type concrete stress sensor |
| WO2019227628A1 (en) * | 2018-05-28 | 2019-12-05 | 福州三金机动车配件有限公司 | Motorcycle button control box |
| CN112543532A (en) * | 2020-12-15 | 2021-03-23 | 上海晶丰明源半导体股份有限公司 | Dimming control circuit and device thereof |
-
2016
- 2016-07-07 CN CN201620785936.4U patent/CN206136369U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107764437A (en) * | 2017-10-30 | 2018-03-06 | 太原理工大学 | Drawing and pressing type concrete stress sensor |
| CN107764437B (en) * | 2017-10-30 | 2023-10-31 | 太原理工大学 | Tension-compression type concrete stress sensor |
| WO2019227628A1 (en) * | 2018-05-28 | 2019-12-05 | 福州三金机动车配件有限公司 | Motorcycle button control box |
| CN112543532A (en) * | 2020-12-15 | 2021-03-23 | 上海晶丰明源半导体股份有限公司 | Dimming control circuit and device thereof |
| CN112543532B (en) * | 2020-12-15 | 2023-09-26 | 上海晶丰明源半导体股份有限公司 | Dimming control circuit and device thereof |
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