CN206757238U - A kind of liquid crystal light modulation film PDLC stepless continuous dimming power source circuits - Google Patents
A kind of liquid crystal light modulation film PDLC stepless continuous dimming power source circuits Download PDFInfo
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- CN206757238U CN206757238U CN201720567751.0U CN201720567751U CN206757238U CN 206757238 U CN206757238 U CN 206757238U CN 201720567751 U CN201720567751 U CN 201720567751U CN 206757238 U CN206757238 U CN 206757238U
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- liquid crystal
- light modulation
- crystal light
- modulation film
- resistance
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Abstract
It the utility model is related to a kind of liquid crystal light modulation film PDLC stepless continuous dimming power source circuits, including adjustable resistance R1, regulating circuit and series resistance R2, in sequential series between the regulating circuit and outside civil power to have the series resistance R2 and equivalent capacity C1, the regulating circuit electrically connects with the both ends of the adjustable resistance R1；Wherein, the equivalent capacity C1 is liquid crystal light modulation film PDLC equivalent capacity.Liquid crystal light modulation film PDLC of the present utility model stepless continuous dimming power source circuits, continuously change the output voltage of regulating circuit by adjustable resistance R1, so as to change the voltage at liquid crystal light modulation film PDLC both ends, the liquid crystal light modulation film PDLC transparency continuously adjustabe between pellucidity and spray pattern is realized, reaches the dual-use function of daylighting and sunshade.
Description
Technical field
Field of circuit technology is the utility model is related to, more particularly to a kind of liquid crystal light modulation film PDLC dims electricity with stepless continuous
Source circuit.
Background technology
At present, PDLC light modulation films are pellucidity in the presence of alternating voltage, do not bear to be atomization shape during alternating voltage
State, people are fabricated to various product, the life that full people are become increasingly abundant using the change of this transparent-atomization two states of light modulation film
Demand living.With the continuous improvement that market needs, and continuous popularization of the country to energy-conserving product, only transparent and two kinds of shapes of atomization
State can not also meet the production of people, life.Such as：When there is sunlight, the transparency of light modulation film can be gradually adjusted, reaches and adopts
Light and the double effects of sunshade.
PDLC light modulation films power source special is primarily present problems with present：
(1) dimming mode is single, is only capable of realizing transparent or opaque two states；
(2) light modulation is realized by way of adjusting transformer gear, intelligence degree is low and is unable to continuous gradation regulation light
Degree.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided a kind of liquid crystal light modulation
Film PDLC stepless continuous dimming power source circuits.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of liquid crystal light modulation film PDLC stepless continuous
Dimming power source circuit, including adjustable resistance R1, regulating circuit and series resistance R2, it is suitable between the regulating circuit and outside civil power
Secondary to be in series with the series resistance R2 and equivalent capacity C1, the regulating circuit electrically connects with the both ends of the adjustable resistance R1；
Wherein, the equivalent capacity C1 is liquid crystal light modulation film PDLC equivalent capacity.
The beneficial effects of the utility model are：Liquid crystal light modulation film PDLC of the present utility model stepless continuous dimming power source electricity
Road, continuously change the output voltage of regulating circuit by adjustable resistance R1, so as to change the voltage at liquid crystal light modulation film PDLC both ends,
The liquid crystal light modulation film PDLC transparency continuously adjustabe between pellucidity and spray pattern is realized, reaches daylighting and sunshade
Dual-use function.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement：
Further：The regulating circuit is using full isolation single phase ac thyristor regulating die block.
Further：The model DTY-220D25 of the single phase ac thyristor regulating die block.
Further：It is in sequential series between No. 1 pin and No. 4 pins of the regulating circuit to have the series resistance R2 and wait
Electric capacity C1 is imitated, and No. 4 pins electrically connect with a pole of outside civil power, another pole of No. 2 pins and No. 3 pins with outside civil power
Electrical connection.
Further：The adjustable resistance R1 uses wireless remote control digital regulation resistance, including remote control and potentiometer body, institute
Remote control and the potentiometer body wireless connection are stated, and can adjust the resistance value of the potentiometer body；The potentiometer sheet
The both ends of body are electrically connected with No. 5 pins of the regulating circuit and No. 9 pins respectively, and No. 7 of tap and the regulating circuit are drawn
Pin electrically connects.
Further：The Standard resistance range of the adjustable resistance R1 is 0-10K.
Further：The resistance of the series resistance R2 is：
The power P of the series resistance R22For：
P2=U2* i=(220-U1)*(2π*f*C1*U1)
Wherein, U1The minimum voltage at liquid crystal light modulation film PDLC both ends, f are during make it that liquid crystal light modulation film PDLC is fully transparent
Mains frequency, take 50Hz, C1For liquid crystal light modulation film PDLC equivalent capacity.
Brief description of the drawings
Fig. 1 is a kind of liquid crystal light modulation film PDLC stepless continuous dimming power source circuit diagrams of the present utility model.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in figure 1, a kind of liquid crystal light modulation film PDLC stepless continuous dimming power source circuits, including adjustable resistance R1, tune
Volt circuit and series resistance R2, it is in sequential series between the regulating circuit and outside civil power to have the series resistance R2 and equivalent electric
Hold C1, the regulating circuit electrically connects with the both ends of the adjustable resistance R1；Wherein, the equivalent capacity C1 is liquid crystal light modulation film
PDLC equivalent capacity.Because liquid crystal light modulation film PDLC is capacitive load, for the ease of description, so being equivalent to here
Imitate electric capacity C1.
In the present embodiment, the regulating circuit is using full isolation single phase ac thyristor regulating die block.Full isolation blow-up
Stream voltage regulating module (hereinafter referred to as DTY) be collect synchrotrans, phase detecting circuit, phase-shift trigger circuit and output controllable silicon in
One, when the size for changing control voltage, so that it may change the triggering phase angle of output controllable silicon, that is, realize the tune of single-phase alternating current
Pressure.Divide plain edition, enhanced and an one-way SCR the class of half-wave type three according to output silicon-controlled device difference.By blow-up
The rated voltage of current load is divided to 220V and the classes of 380V two.
Because liquid crystal light modulation film PDLC is capacitive load, using can just be deposited by the way of silicon control regulation Trigger Angle to adjust voltage
In triggering dead-time problem, often deadband angle is excessive, and starting voltage is higher, starts relative to liquid crystal light modulation film PDLC low-voltages,
Which regulation does not have any effect, so it is capacitance resistance load to need the capacitive load characteristic changing of light modulation film.Meanwhile go here and there
Join the resistance of certain resistance and power, can protect what is born on liquid crystal light modulation film PDLC when controllable silicon exports maximum voltage
Voltage is no more than its tolerance value.
Preferably, the model DTY-220D25 of the single phase ac thyristor regulating die block, this module include 0-5V, 0-
10V, 4-20mA various control signal.
It is in sequential series between No. 1 pin and No. 4 pins of the regulating circuit to have the series resistance R2 in the present embodiment
With equivalent capacity C1, and No. 4 pins electrically connect with a pole of outside civil power, and No. 2 pins and No. 3 pins are another with outside civil power
One pole electrically connects.
Preferably, the adjustable resistance R1 uses wireless remote control digital regulation resistance, including remote control and potentiometer body, institute
Remote control and the potentiometer body wireless connection are stated, and can adjust the resistance value of the potentiometer body；The potentiometer sheet
The both ends of body are electrically connected with No. 5 pins of the regulating circuit and No. 9 pins respectively, and No. 7 of tap and the regulating circuit are drawn
Pin electrically connects.
, can be with the load resistance size of remote adjustment regulating circuit, so as to adjust by wireless remote control digital regulation resistance
The output voltage size of volt circuit, so it is continuous to liquid crystal light modulation film PDLC transparency between pellucidity and spray pattern
It is adjustable.
Preferably, in the present embodiment, the Standard resistance range of the adjustable resistance R1 is 0-10K.
In the present embodiment, the resistance of the series resistance R2 is：
The power P of the series resistance R22For：
P2=U2* i=(220-U1)*(2π*f*C1*U1)
Wherein, U1The minimum voltage at liquid crystal light modulation film PDLC both ends, U during make it that liquid crystal light modulation film PDLC is fully transparent2For
The voltage at resistance R2 both ends, i are the electric current for flowing through resistance R2, and f is mains frequency, takes 50Hz, C1For liquid crystal light modulation film PDLC's
Equivalent capacity.
Liquid crystal light modulation film PDLC of the present utility model stepless continuous dimming power source circuits, are continuously changed by adjustable resistance R1
Become the output voltage of regulating circuit, so as to change the voltage at liquid crystal light modulation film PDLC both ends, realize liquid crystal light modulation film PDLC's
Transparency continuously adjustabe between pellucidity and spray pattern, reach the dual-use function of daylighting and sunshade.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (7)
- A kind of 1. liquid crystal light modulation film PDLC stepless continuous dimming power source circuits, it is characterised in that：Including adjustable resistance R1, pressure regulation Circuit and series resistance R2, it is in sequential series between the regulating circuit and outside civil power to have the series resistance R2 and equivalent capacity C1, the regulating circuit electrically connect with the both ends of the adjustable resistance R1；Wherein, the equivalent capacity C1 is liquid crystal light modulation film PDLC equivalent capacity.
- 2. liquid crystal light modulation film PDLC according to claim 1 stepless continuous dimming power source circuits, it is characterised in that：It is described Regulating circuit is using full isolation single phase ac thyristor regulating die block.
- 3. liquid crystal light modulation film PDLC according to claim 2 stepless continuous dimming power source circuits, it is characterised in that：It is described The model DTY-220D25 of single phase ac thyristor regulating die block.
- 4. liquid crystal light modulation film PDLC according to claim 3 stepless continuous dimming power source circuits, it is characterised in that：It is described It is in sequential series between No. 1 pin and No. 4 pins of regulating circuit to have the series resistance R2 and equivalent capacity C1, and No. 4 pins Electrically connected with a pole of outside civil power, No. 2 pins and No. 3 pins electrically connect with another pole of outside civil power.
- 5. liquid crystal light modulation film PDLC according to claim 4 stepless continuous dimming power source circuits, it is characterised in that：It is described Adjustable resistance R1 uses wireless remote control digital regulation resistance, including remote control and potentiometer body, the remote control and the current potential Device body wireless connection, and can adjust the resistance value of the potentiometer body；The both ends of the potentiometer body electrically connect with No. 5 pins of the regulating circuit and No. 9 pins respectively, tap with it is described No. 7 pins electrical connection of regulating circuit.
- 6. the liquid crystal light modulation film PDLC stepless continuous dimming power source circuits according to any one of claim 1 to 5, its feature It is：The Standard resistance range of the adjustable resistance R1 is 0-10K.
- 7. the liquid crystal light modulation film PDLC stepless continuous dimming power source circuits according to any one of claim 1 to 5, its feature It is：The resistance of the series resistance R2 is：<mrow> <msub> <mi>R</mi> <mn>2</mn> </msub> <mo>=</mo> <mfrac> <msub> <mi>U</mi> <mn>2</mn> </msub> <mi>i</mi> </mfrac> <mo>=</mo> <mfrac> <mrow> <mn>220</mn> <mo>-</mo> <msub> <mi>U</mi> <mn>1</mn> </msub> </mrow> <mrow> <mn>2</mn> <mi>&pi;</mi> <mo>*</mo> <mi>f</mi> <mo>*</mo> <msub> <mi>C</mi> <mn>1</mn> </msub> <mo>*</mo> <msub> <mi>U</mi> <mn>1</mn> </msub> </mrow> </mfrac> </mrow>The power P of the series resistance R22For：P2=U2* i=(220-U1)*(2π*f*C1*U1)Wherein, U1The minimum voltage at liquid crystal light modulation film PDLC both ends, U during make it that liquid crystal light modulation film PDLC is fully transparent2For resistance The voltage at R2 both ends, i are the electric current for flowing through resistance R2, and f is mains frequency, takes 50Hz, C1For the equivalent of liquid crystal light modulation film PDLC Electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720567751.0U CN206757238U (en) | 2017-05-18 | 2017-05-18 | A kind of liquid crystal light modulation film PDLC stepless continuous dimming power source circuits |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720567751.0U CN206757238U (en) | 2017-05-18 | 2017-05-18 | A kind of liquid crystal light modulation film PDLC stepless continuous dimming power source circuits |
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| CN206757238U true CN206757238U (en) | 2017-12-15 |
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| CN201720567751.0U Expired - Fee Related CN206757238U (en) | 2017-05-18 | 2017-05-18 | A kind of liquid crystal light modulation film PDLC stepless continuous dimming power source circuits |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112673306A (en) * | 2018-09-21 | 2021-04-16 | 凸版印刷株式会社 | Light modulation device |
| WO2021203649A1 (en) * | 2020-04-07 | 2021-10-14 | 深圳市爱图仕影像器材有限公司 | Drive circuit of liquid crystal shutter, liquid crystal shutter, and led lamp |
-
2017
- 2017-05-18 CN CN201720567751.0U patent/CN206757238U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112673306A (en) * | 2018-09-21 | 2021-04-16 | 凸版印刷株式会社 | Light modulation device |
| WO2021203649A1 (en) * | 2020-04-07 | 2021-10-14 | 深圳市爱图仕影像器材有限公司 | Drive circuit of liquid crystal shutter, liquid crystal shutter, and led lamp |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 430000 room 01, 8 / F, building 9, phase I, Dingjie modern electromechanical information Incubation Park, no.219, Guanggu Second Road, Donghu New Technology Development Zone, Wuhan, Hubei Province Patentee after: Wuhan Sheng Hua Yuan Mstar Technology Ltd. Address before: 430000 the 1 floor, seat D, phoenix garden, Chang Tsui Industrial Park, Jiangxia District, Wuhan, Hubei Patentee before: WUHAN SHENG HUA YUAN GLASS TECH. Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |