CN207518905U - A kind of dialing LED multistage light adjusting circuits - Google Patents
A kind of dialing LED multistage light adjusting circuits Download PDFInfo
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- CN207518905U CN207518905U CN201721538414.5U CN201721538414U CN207518905U CN 207518905 U CN207518905 U CN 207518905U CN 201721538414 U CN201721538414 U CN 201721538414U CN 207518905 U CN207518905 U CN 207518905U
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- photoelectrical coupler
- switching tube
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- toggle switch
- dialing
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Abstract
The utility model discloses a kind of dialing LED multistage light adjusting circuits, including toggle switch SS1, photoelectric coupled circuit and metal-oxide-semiconductor switching circuit；The toggle switch SS1 is used to implement different dial-up shutdown combinations；The photoelectric coupled circuit realizes different conducting states according to the different dial-up states of toggle switch SS1；The current potential that the metal-oxide-semiconductor switching circuit carries out corresponding point according to the different conducting state of photoelectric coupled circuit changes, to have the function that final regulation and control LED light emission luminance, the utility model passes through dialing dimmer design, have many advantages, such as safe and reliable, easy to operate, it is various to avoid existing light regulating technology mode simultaneously, the problem of with high costs, it can accomplish arbitrarily to apply by customer requirement load current completely, suitable for different lamps, and driving inside carries out isolation feedback using optocoupler, has the advantages that safe and reliable.
Description
Technical field
The utility model is related to electronic technology field, specially a kind of dialing LED multistage light adjusting circuits.
Background technology
LED application markets are in the fast-developing phase, and customer acceptance that high-quality experience is brought and government policy push away
It is dynamic, more and more people has been caused to begin to focus on LED industry.Since the links such as the chip of the industry upstream, encapsulation are more high
End, and restricted by equipment and raw material, many manufacturer's selections are especially engaged in switch before from LED driving link incisions
Power supply product exploitation manufacturer, almost entirety be transferred to field of LED drive technology.
For LED illumination actuation techniques, power unit has adopted original switch power technology more.LED on the market
Driving is basically the Switching Power Supply of maturation application before, if based on voltage-controlled IC, at most adds one again
The peripheral circuit of constant current, so, for LED drive power part, the product of each company based on ripe due to being opened
Powered-down source technology, difference is simultaneously little, just needs to devote more time and energy in drive control link to rush out through the line of besiegers, wherein light regulating technology
It is generally had an optimistic view of as technology most promising in LED illumination Drive Control Technique, light modulation is LED illumination actuation techniques
The main trend of development.
Utility model content
The problem of for background technology, the utility model provide a kind of dialing LED multistage light adjusting circuits.
To achieve the above object, the utility model provides following technical solution：A kind of dialing LED multistage light adjusting circuits,
Including toggle switch SS1, photoelectric coupled circuit and metal-oxide-semiconductor switching circuit；
The toggle switch SS1 is used to implement different dial-up shutdown combinations；
The photoelectric coupled circuit realizes different conducting states according to the different dial-up states of toggle switch SS1；
The current potential that the metal-oxide-semiconductor switching circuit carries out corresponding point according to the different conducting state of photoelectric coupled circuit changes, with
Have the function that final regulation and control LED light emission luminance.
As a kind of preferred technical solution of the utility model, the photoelectric coupled circuit includes photoelectrical coupler SU1 and photoelectricity
Coupler SU2, the photoelectrical coupler SU1 are connect with 1 foot in photoelectrical coupler SU2 by resistance SR1 with resistance SR2 respectively
2 feet in 3 feet and 4 feet of toggle switch SS1, the photoelectrical coupler SU1 and photoelectrical coupler SU2 are grounded, and the light
2 feet of electric coupler are also electrically connected with 1 foot and 2 feet of voltage output VO+, toggle switch SS1 by zener diode SD2.
As a kind of preferred technical solution of the utility model, the metal-oxide-semiconductor switching circuit include four groups of switching tube SQ1,
SQ2, SQ3 and SQ4, the switching tube SQ1 connect photoelectrical coupler SU1 and photoelectrical coupler respectively with 1 foot of switching tube SQ2
3 feet in SU2, the switching tube SQ3 are connected with 1 foot of switching tube SQ4, and pass through triode SQ5 and double two poles of common-anode
Pipe SD1 connects 3 feet of photoelectrical coupler SU1 and photoelectrical coupler SU2, the switching tube SQ1, switching tube SQ2 and switch respectively
3 feet of pipe SQ3 are serially connected with resistance SR9 and SR10, SR11 and SR12, SR13 and the SR14 being in parallel respectively.
Compared with prior art, the beneficial effects of the utility model are：The utility model passes through dialing dimmer design, tool
Have the advantages that safe and reliable, easy to operate, while it is various to avoid existing light regulating technology mode, it is with high costs the problem of, can be complete
Accomplish arbitrarily to apply by customer requirement load current entirely, suitable for different lamps, and inside is driven using optocoupler be isolated instead
Feedback, has the advantages that safe and reliable.
Description of the drawings
Fig. 1 is the utility model circuit block diagram；
Fig. 2 is the utility model circuit diagram；
Fig. 3 is the LED drive power circuit of the utility model access；
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Embodiment：
As shown in Figure 1, the utility model provides a kind of dialing LED multistage light adjusting circuits, including toggle switch SS1, light
Coupling circuit and metal-oxide-semiconductor switching circuit；The toggle switch SS1 is used to implement different dial-up shutdown combinations；The photoelectric coupled circuit
Different conducting states is realized according to the different dial-up states of toggle switch SS1；The metal-oxide-semiconductor switching circuit is according to photoelectric coupled circuit
The current potential that different conducting states carries out corresponding point changes, to have the function that final regulation and control LED light emission luminance.
Physical circuit figure is described as shown in Fig. 2, above-mentioned photoelectric coupled circuit includes photoelectrical coupler SU1 and photoelectrical coupler SU2
Photoelectrical coupler SU1 connect the 3 of toggle switch SS1 by resistance SR1 with resistance SR2 respectively with 1 foot in photoelectrical coupler SU2
2 feet in foot and 4 feet, the photoelectrical coupler SU1 and photoelectrical coupler SU2 are grounded, and 2 feet of the photoelectrical coupler are also
1 foot and 2 feet of voltage output VO+, toggle switch SS1 are electrically connected with by zener diode SD2；Shown metal-oxide-semiconductor switching circuit
Including four groups of switching tube SQ1, SQ2, SQ3 and SQ4, the switching tube SQ1 connect photoelectric coupling respectively with 1 foot of switching tube SQ2
3 feet in device SU1 and photoelectrical coupler SU2, the switching tube SQ3 are connected, and pass through triode with 1 foot of switching tube SQ4
SQ5 connect 3 feet of photoelectrical coupler SU1 and photoelectrical coupler SU2, the switching tube with common-anode double diode SD1 respectively
SQ1, switching tube SQ2 and 3 feet of switching tube SQ3 are serially connected with resistance SR9 and SR10, SR11 and SR12, the SR13 being in parallel respectively
And SR14.
The circuit is linked into the driving power circuit of LED and goes (as shown in Figure 3), by " VO+ " of toggle switch SS1 with
The anode " VO+ " of load LED in driving power circuit is connected, driving voltage when working as photoelectrical coupler SU1, SU2,
Switching tube SQ1, SQ2, SQ3 and " 2 " point being connected in the driving power circuit, switching tube SQ4 are for controlling switching tube SQ1
Switch, point " 2 " are connected with the controller " IC control " of driving power circuit, pass through the control of controller " IC control "
System realizes that the adjusting of output current changes.
When the switch 3-2 of toggle switch SS1 is closed, and 4-1 is disconnected, photoelectrical coupler SU1 ON operations, photoelectrical coupler
SU2 is not turned on, and switching tube SQ1 is connected at this time, and resistance SR10, SR9 quilt being in series with switching tube SQ1 are simultaneously connected to driving power electricity
At the peak current detection resistance R10A~D on road, the current potential of " 2 " point is changed, so as to change the peak for flowing through primary side switch pipe
It is worth electric current, and then changes output current, realizes that classification adjusts LED lamp brightness；When the switch 4-1 closures of toggle switch SS1, open
When closing 3-2 disconnections, photoelectrical coupler SU2 ON operations, switching tube SQ2 conductings, photoelectrical coupler SU1 is not turned on, with switching tube
Resistance SR11, SR12 that SQ2 is in series by and be connected to peak current detection resistance R10A~D of driving power circuit at, change
The current potential of " 2 " point so as to change the peak point current for flowing through primary side switch pipe, and then changes output current；Work as toggle switch
When the switch 3-2 and 4-1 of SS1 are closed at, photoelectrical coupler SU1 and SU2 all ON operations, switching tube SQ2, SQ3, SQ4 are
Conducting, switching tube SQ1 are disconnected, resistance SR11, SR12 for being in series with switching tube SQ2 and the electricity being in series with switching tube SQ3
Resistance SR13, SR14 all by and be connected to peak current detection resistance R10A~D of driving power circuit at, change " 2 " put electricity
Position so as to change the peak point current for flowing through primary side switch pipe, and then changes output current, realizes that sectional-regulated LED lamp is bright
Degree；When the switch 3-2 and 4-1 of toggle switch SS1 are disconnected, switching tube SQ1, SQ2, SQ3, SQ4 are not turned on, output current
In original state.
Based on above-mentioned, the utility model has the advantage that：The utility model has peace by dialing dimmer design
The advantages that complete reliable, easy to operate, while it is various to avoid existing light regulating technology mode, it is with high costs the problem of, can do completely
It is arbitrarily applied to by customer requirement load current, suitable for different lamps, and inside is driven to carry out isolation feedback using optocoupler, had
There is the advantages of safe and reliable.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (3)
1. a kind of dialing LED multistage light adjusting circuits, it is characterised in that：It is opened including toggle switch SS1, photoelectric coupled circuit and metal-oxide-semiconductor
Powered-down road；
The toggle switch SS1 is used to implement different dial-up shutdown combinations；
The photoelectric coupled circuit realizes different conducting states according to the different dial-up states of toggle switch SS1；
The current potential that the metal-oxide-semiconductor switching circuit carries out corresponding point according to the different conducting state of photoelectric coupled circuit changes, to reach
The effect of final regulation and control LED light emission luminance.
2. a kind of dialing LED multistage light adjusting circuits according to claim 1, it is characterised in that：The photoelectric coupled circuit packet
Photoelectrical coupler SU1 is included with photoelectrical coupler SU2, the photoelectrical coupler SU1 with 1 foot in photoelectrical coupler SU2 respectively to lead to
3 feet and 4 feet that resistance SR1 connect toggle switch SS1 with resistance SR2 are crossed, the photoelectrical coupler SU1 and photoelectrical coupler
2 feet ground connection in SU2, and 2 feet of the photoelectrical coupler are also electrically connected with voltage output VO+ by zener diode SD2, dial
1 foot and 2 feet of code switch SS1.
3. a kind of dialing LED multistage light adjusting circuits according to claim 1, it is characterised in that：The metal-oxide-semiconductor switch electricity
Road includes four groups of switching tube SQ1, SQ2, SQ3 and SQ4, and the switching tube SQ1 connect photoelectricity coupling respectively with 1 foot of switching tube SQ2
3 feet in clutch SU1 and photoelectrical coupler SU2, the switching tube SQ3 is connected with 1 foot of switching tube SQ4, and passes through three poles
Pipe SQ5 connect 3 feet of photoelectrical coupler SU1 and photoelectrical coupler SU2, the switching tube with common-anode double diode SD1 respectively
SQ1, switching tube SQ2 and 3 feet of switching tube SQ3 are serially connected with resistance SR9 and SR10, SR11 and SR12, the SR13 being in parallel respectively
And SR14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721538414.5U CN207518905U (en) | 2017-11-17 | 2017-11-17 | A kind of dialing LED multistage light adjusting circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721538414.5U CN207518905U (en) | 2017-11-17 | 2017-11-17 | A kind of dialing LED multistage light adjusting circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207518905U true CN207518905U (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721538414.5U Active CN207518905U (en) | 2017-11-17 | 2017-11-17 | A kind of dialing LED multistage light adjusting circuits |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107787091A (en) * | 2017-11-17 | 2018-03-09 | 上海阿卡得电子有限公司 | A kind of dialing LED multistage light adjusting circuits |
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2017
- 2017-11-17 CN CN201721538414.5U patent/CN207518905U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107787091A (en) * | 2017-11-17 | 2018-03-09 | 上海阿卡得电子有限公司 | A kind of dialing LED multistage light adjusting circuits |
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