CN106291992A - A kind of light modulation film electric-control system - Google Patents
A kind of light modulation film electric-control system Download PDFInfo
- Publication number
- CN106291992A CN106291992A CN201610788909.7A CN201610788909A CN106291992A CN 106291992 A CN106291992 A CN 106291992A CN 201610788909 A CN201610788909 A CN 201610788909A CN 106291992 A CN106291992 A CN 106291992A
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- China
- Prior art keywords
- photo
- light modulation
- resistance
- modulation film
- coupler
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
Abstract
The invention discloses a kind of light modulation film electric-control system, including microprocessor, zero cross detection circuit, charging circuit, discharge circuit and light modulation film, first outfan of described microprocessor is connected with the first input end of charging circuit, the input of described microprocessor is connected with the outfan of zero cross detection circuit, the first input end of described zero cross detection circuit is connected with the first outfan of charging circuit, second outfan of described zero cross detection circuit is connected with the first outfan of discharge circuit, second outfan of described charging circuit is all connected with the electrode of light modulation film with the second outfan of discharge circuit.The present invention can realize light modulation film whole clearing degree by charging circuit and discharge circuit and regulate, can be by light modulation film segmentation stripping and slicing, both the gradual change regulation from the bottom up of light modulation film transparency can have been realized, it is also possible to realize the regulation of transparent and opaque different accounting as required.The composite can be widely applied in light modulation film product.
Description
Technical field
The present invention relates to light modulation film technical field, particularly relate to a kind of light modulation film electric-control system.
Background technology
Traditional light modulation film control method is by the power-off that is simply energized, it is achieved the transparent and opaque control of light modulation film
System, or by simply regulating electric power output voltage, it is achieved the whole clearing degree of light modulation film controls, and if desired from lower past
On mode gradual change regulation transparency if, prior art can only be by by light modulation film segmentation stripping and slicing, saturating by regulation every piece
Lightness realizes gradual change regulation from the bottom up.If n block is cut in light modulation film segmentation, need piece common wire of n+1() root control
Line, wiring is loaded down with trivial details.
Summary of the invention
In order to solve above-mentioned technical problem, it is simple that this purpose is to provide a kind of wiring, and can realize gradual change regulation
A kind of light modulation film electric-control system.
The technical solution used in the present invention is:
A kind of light modulation film electric-control system, including microprocessor, zero cross detection circuit, charging circuit, discharge circuit and light modulation film, institute
The first outfan stating microprocessor is connected with the input of charging circuit, the second outfan of described microprocessor and electric discharge electricity
The input on road connects, and the input of described microprocessor is connected with the outfan of zero cross detection circuit, described charging circuit
Outfan is all connected with the electrode of light modulation film with the outfan of discharge circuit.
As a further improvement on the present invention, described zero cross detection circuit include the first photo-coupler, the first resistance, second
Resistance and the 3rd resistance, the anode on the described first former limit of photo-coupler is connected to power input by the second resistance, and described
The negative electrode on the one former limit of photo-coupler is connected to power input, the colelctor electrode of described first photo-coupler secondary by the 3rd resistance
Being connected to power end by the first resistance, the colelctor electrode of described first photo-coupler secondary is connected to the input of microprocessor,
The emitter stage of described first photo-coupler secondary is connected to ground.
As a further improvement on the present invention, described discharge circuit includes the second photo-coupler, the 4th resistance and the 7th electricity
Resistance, the negative electrode on the described second former limit of photo-coupler is connected with the second outfan of microprocessor, the described second former limit of photo-coupler
Anode be connected to power end by the 4th resistance, the first end of described second photo-coupler secondary is connected to the electricity of light modulation film
Pole, the second end of described second photo-coupler secondary is connected to ground by the 7th resistance.
As a further improvement on the present invention, described charging circuit include the 3rd photo-coupler, PNP transistor, diode,
5th resistance, the 6th resistance, NMOS tube and Qiao Dui, the negative electrode on the described 3rd former limit of photo-coupler exports with the first of microprocessor
End connects, and the anode on the described 3rd former limit of photo-coupler is by the 5th resistance and then is connected to power end, described 3rd optical coupling
The colelctor electrode of device secondary is connected to working power end, the emitter stage of described 3rd photo-coupler secondary respectively with the positive pole of diode
The base stage of end and PNP transistor connects, the negative pole end of described diode respectively with emitter stage and the grid of NMOS tube of PNP transistor
Pole is connected, and the base stage of described PNP transistor is connected to the colelctor electrode of PNP transistor, described PNP transistor by the 6th resistance
Colelctor electrode be connected with the source electrode of NMOS tube and the 4th end of bridge heap respectively, the second end of the drain electrode of described NMOS tube and bridge heap
Connecting, the first end of described bridge heap is connected with power input, and the 3rd end of described bridge heap is connected with the electrode of light modulation film.
The invention has the beneficial effects as follows:
One light modulation film electric-control system of the present invention can realize light modulation film whole clearing degree by charging circuit and discharge circuit and regulate,
Light modulation film segmentation stripping and slicing both can be realized the gradual change regulation from the bottom up of light modulation film transparency, it is also possible to according to
Need to realize the regulation of transparent and opaque different accounting.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further:
Fig. 1 is the functional-block diagram of the present invention a kind of light modulation film electric-control system；
Fig. 2 is the circuit theory diagrams of zero cross detection circuit in the present invention a kind of light modulation film electric-control system；
Fig. 3 is the circuit theory diagrams of discharge circuit in the present invention a kind of light modulation film electric-control system；
Fig. 4 is the circuit theory diagrams of charging circuit in the present invention a kind of light modulation film electric-control system.
Detailed description of the invention
With reference to Fig. 1～Fig. 4, one light modulation film electric-control system of the present invention, including microprocessor, zero cross detection circuit, charging
Circuit, discharge circuit and light modulation film, the first outfan of described microprocessor is connected with the input of charging circuit, described micro-place
Second outfan of reason device is connected with the input of discharge circuit, and the input of described microprocessor is defeated with zero cross detection circuit
Going out end to connect, the outfan of described charging circuit is all connected with the electrode of light modulation film with the outfan of discharge circuit.
Being further used as preferred embodiment, described zero cross detection circuit includes the first photo-coupler U1, the first resistance
R1, the second resistance R2 and the 3rd resistance R3, the anode on the described first former limit of photo-coupler U1 is connected to electricity by the second resistance R2
Source input, the negative electrode on the described first former limit of photo-coupler U1 is connected to power input by the 3rd resistance R3, and described first
The colelctor electrode of photo-coupler U1 secondary is connected to power end, the current collection of described first photo-coupler U1 secondary by the first resistance R1
Pole is connected to the input of microprocessor, and the emitter stage of described first photo-coupler U1 secondary is connected to ground.
Preferably, described zero cross detection circuit, by the way of using exchange tailing edge cut, controls output to charging circuit
Carry out cutting ripple with the sinusoidal ac of discharge circuit.
Be further used as preferred embodiment, described discharge circuit include the second photo-coupler U2, the 4th resistance R4 and
7th resistance R7, the negative electrode on the described second former limit of photo-coupler U2 is connected with the second outfan of microprocessor, described second light
The anode on the former limit of bonder U2 is connected to power end by the 4th resistance R4, and the first end of described second photo-coupler U2 secondary is even
Being connected to the electrode of light modulation film, the second end of described second photo-coupler U2 secondary is connected to ground by the 7th resistance R7.
Described discharge circuit controls the electric discharge of light modulation film by the waveform that microprocessor exports, and the electricity of light modulation film passes through second
Photo-coupler U2 and the 4th resistance R4 obtains controlled release, it is achieved light modulation film is by transparent to opaque control.
Be further used as preferred embodiment, described charging circuit include the 3rd photo-coupler U3, PNP transistor Q1,
Diode D1, the 5th resistance R5, the 6th resistance R6, NMOS tube T1 and bridge heap M1, the negative electrode on the described 3rd former limit of photo-coupler U3
Being connected with the first outfan of microprocessor, the anode on the described 3rd former limit of photo-coupler U3 passes through the 5th resistance R5 and then connection
To power end, the colelctor electrode of described 3rd photo-coupler U3 secondary is connected to working power end, and described 3rd photo-coupler U3 is secondary
The emitter stage on limit is connected with the positive terminal of diode D1 and the base stage of PNP transistor Q1 respectively, the negative pole end of described diode D1
Being connected with the emitter stage of PNP transistor Q1 and the grid of NMOS tube T1 respectively, the base stage of described PNP transistor Q1 passes through the 6th
Resistance R6 is connected to the colelctor electrode of PNP transistor Q1, the colelctor electrode of described PNP transistor Q1 respectively with the source electrode of NMOS tube T1 and
4th end of bridge heap M1 is connected, and the drain electrode of described NMOS tube T1 is connected with second end of bridge heap M1, the first of described bridge heap M1
End is connected with power input, and the 3rd end of described bridge heap M1 is connected with the electrode of light modulation film.
Described charging circuit controls the charging of light modulation film by the waveform that microprocessor exports, and by NMOS tube T1 and bridge
Heap M1 realizes the break-make of alternating current and controls.
Owing to light modulation film being exported adjustable alternating current simply by charging circuit, light modulation film there will be the transparency of entirety
Consistent phenomenon.Therefore the present invention passes through discharge circuit and the combination of charging circuit, light modulation film is carried out discharge and recharge, in discharge and recharge
After reaching certain proportion, it is opaque that light modulation film just can realize a translucent half, and by regulation voltage, thus realize thoroughly
The bright accounting different with opaque section.
It is above the preferably enforcement of the present invention is illustrated, but the invention is not limited to described enforcement
Example, those of ordinary skill in the art also can make all equivalent variations on the premise of spirit of the present invention or replace
Changing, deformation or the replacement of these equivalents are all contained in the application claim limited range.
Claims (4)
1. a light modulation film electric-control system, it is characterised in that: include microprocessor, zero cross detection circuit, charging circuit, electric discharge electricity
Road and light modulation film, the first outfan of described microprocessor is connected with the input of charging circuit, the second of described microprocessor
Outfan is connected with the input of discharge circuit, and the input of described microprocessor is connected with the outfan of zero cross detection circuit,
The outfan of described charging circuit is all connected with the electrode of light modulation film with the outfan of discharge circuit.
A kind of light modulation film electric-control system the most according to claim 1, it is characterised in that: described zero cross detection circuit includes the
One photo-coupler, the first resistance, the second resistance and the 3rd resistance, the anode on the described first former limit of photo-coupler passes through the second resistance
Being connected to power input, the negative electrode on the described first former limit of photo-coupler is connected to power input by the 3rd resistance, described
The colelctor electrode of the first photo-coupler secondary is connected to power end, the colelctor electrode of described first photo-coupler secondary by the first resistance
Being connected to the input of microprocessor, the emitter stage of described first photo-coupler secondary is connected to ground.
A kind of light modulation film electric-control system the most according to claim 2, it is characterised in that: described discharge circuit includes the second light
Bonder, the 4th resistance and the 7th resistance, the negative electrode on the described second former limit of photo-coupler connects with the second outfan of microprocessor
Connecing, the anode on the described second former limit of photo-coupler is connected to power end by the 4th resistance, described second photo-coupler secondary
First end is connected to the electrode of light modulation film, and the second end of described second photo-coupler secondary is connected to ground by the 7th resistance.
A kind of light modulation film electric-control system the most according to claim 3, it is characterised in that: described charging circuit includes the 3rd light
Bonder, PNP transistor, diode, the 5th resistance, the 6th resistance, NMOS tube and Qiao Dui, the described 3rd former limit of photo-coupler
Negative electrode is connected with the first outfan of microprocessor, and the anode on the described 3rd former limit of photo-coupler passes through the 5th resistance and then connection
To power end, the colelctor electrode of described 3rd photo-coupler secondary is connected to working power end, described 3rd photo-coupler secondary
Emitter stage is connected with the positive terminal of diode and the base stage of PNP transistor respectively, and the negative pole end of described diode is brilliant with PNP respectively
The emitter stage of body pipe is connected with the grid of NMOS tube, and the base stage of described PNP transistor is connected to PNP crystal by the 6th resistance
The colelctor electrode of pipe, the colelctor electrode of described PNP transistor is connected with the source electrode of NMOS tube and the 4th end of bridge heap respectively, described
The drain electrode of NMOS tube is connected with the second end of bridge heap, and the first end of described bridge heap is connected with power input, the of described bridge heap
Three ends are connected with the electrode of light modulation film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788909.7A CN106291992A (en) | 2016-08-31 | 2016-08-31 | A kind of light modulation film electric-control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788909.7A CN106291992A (en) | 2016-08-31 | 2016-08-31 | A kind of light modulation film electric-control system |
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| CN106291992A true CN106291992A (en) | 2017-01-04 |
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| CN201610788909.7A Pending CN106291992A (en) | 2016-08-31 | 2016-08-31 | A kind of light modulation film electric-control system |
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Citations (7)
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| US20030042878A1 (en) * | 2001-08-27 | 2003-03-06 | Akihiko Kanouda | Voltage regulator module for micro processor and cpo using a super capacitor |
| CN102415217A (en) * | 2009-11-19 | 2012-04-11 | 惠州元晖光电有限公司 | Method and apparatus for controlling brightness of light emitting diodes |
| JP2013118790A (en) * | 2011-12-05 | 2013-06-13 | Kokusan Denki Co Ltd | Power supply device |
| CN103428971A (en) * | 2013-08-19 | 2013-12-04 | 四川圣寰科技有限公司 | Charging and discharging circuit of flashlight and implementation method thereof |
| CN103676257A (en) * | 2014-01-03 | 2014-03-26 | 北京融汇科艺科技有限公司 | Transparent liquid crystal display screen capable of regulating transparency |
| CN103812197A (en) * | 2014-03-04 | 2014-05-21 | 深圳市华宝新能源有限公司 | Mobile power supply |
| CN103904746A (en) * | 2014-04-04 | 2014-07-02 | 西北工业大学 | Intelligent quick charger of positive and negative pulse power battery and charging method thereof |
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2016
- 2016-08-31 CN CN201610788909.7A patent/CN106291992A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030042878A1 (en) * | 2001-08-27 | 2003-03-06 | Akihiko Kanouda | Voltage regulator module for micro processor and cpo using a super capacitor |
| CN102415217A (en) * | 2009-11-19 | 2012-04-11 | 惠州元晖光电有限公司 | Method and apparatus for controlling brightness of light emitting diodes |
| JP2013118790A (en) * | 2011-12-05 | 2013-06-13 | Kokusan Denki Co Ltd | Power supply device |
| CN103428971A (en) * | 2013-08-19 | 2013-12-04 | 四川圣寰科技有限公司 | Charging and discharging circuit of flashlight and implementation method thereof |
| CN103676257A (en) * | 2014-01-03 | 2014-03-26 | 北京融汇科艺科技有限公司 | Transparent liquid crystal display screen capable of regulating transparency |
| CN103812197A (en) * | 2014-03-04 | 2014-05-21 | 深圳市华宝新能源有限公司 | Mobile power supply |
| CN103904746A (en) * | 2014-04-04 | 2014-07-02 | 西北工业大学 | Intelligent quick charger of positive and negative pulse power battery and charging method thereof |
Non-Patent Citations (2)
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| 杨成伟等: "《一步一步图学修空调器》", 28 February 2013, 北京：机械工业出版社 * |
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Application publication date: 20170104 |
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