CN107463127A - Light-adjustment film intelligent controller - Google Patents
Light-adjustment film intelligent controller Download PDFInfo
- Publication number
- CN107463127A CN107463127A CN201710629438.XA CN201710629438A CN107463127A CN 107463127 A CN107463127 A CN 107463127A CN 201710629438 A CN201710629438 A CN 201710629438A CN 107463127 A CN107463127 A CN 107463127A
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- chip microcomputer
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- power amplifier
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- 238000004891 communication Methods 0.000 claims abstract description 29
- 238000012545 processing Methods 0.000 claims description 15
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 239000004983 Polymer Dispersed Liquid Crystal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of light-adjustment film intelligent controller, including：Power supply, single-chip microcomputer, AC signal generator, power amplifier, outside connected switch, AC signal generator are connected with single-chip microcomputer, and power amplifier is connected with AC signal generator；Also include communication module, the outside connected switch being connected with single-chip microcomputer, dimming commands or switch order are sent to the single-chip microcomputer by the communication module or the outside connected switch, single-chip microcomputer decodes to the dimming commands or switch order, and the size and frequency of the AC signal of the AC signal generator are controlled according to the dimming commands, or control the AC signal generator to carry out exporting AC signal according to the switch order or close AC signal；So as to be changed the light transmittance of light modulation film according to demand, the scope of application is wider.
Description
Technical field
The present invention relates to a kind of light-adjustment film intelligent controller.
Background technology
Light modulation film is a building block of dimming glass.Dimming glass also known as electronic-control dimming glass, intelligent glass, liquid crystal
Atomization glass, photo chromic glass, become mist glass etc., be a high-tech laminated glass product based on PDLC liquid crystal technologies, be powered
Transparent, power-off is in frosted finish effect.Its principle is：Liquid crystal molecule is in scattering state under PDLC off-positions, printing opacity but opaque；It is logical
Liquid crystal molecule is arranged in a linear after electricity, printing opacity and transparent.By above-mentioned principle, manufacturer is by PDLC liquid crystal light modulation film interlayers in two
Between layer glass, and it is widely used in the various fields such as spatial design, secret protection and high definition projection.
But the dimming glass sold on the market at present is typically only capable to be cutting for all-transparent or complete opaque two states
Change, it is impossible to freely adjust transparency on demand, it is impossible to give full play to the dimming function of light modulation film, it is impossible to change control frequency,
Stroboscopic occurs when being projected using high definition, power consumption is big, and production cost is high, and automaticity is not high, it is difficult to adapts to the development in market.
The content of the invention
The present invention is to solve the above problems, provide a kind of light-adjustment film intelligent controller, so as to carry out according to demand
Change the light transmittance of light modulation film, the scope of application is wider.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of light-adjustment film intelligent controller, including：Power supply, single-chip microcomputer, AC signal generator, power amplifier,
Outside connected switch, the AC signal generator are connected with the single-chip microcomputer and produce the controllable linear AC signal of size,
The power amplifier is connected with the AC signal generator and is amplified processing to the AC signal；Also include with
Single-chip microcomputer connection communication module, outside connected switch, the single-chip microcomputer, AC signal generator, power amplifier, communication module with
The power supply is connected, by the communication module or the outside connected switch to the single-chip microcomputer send dimming commands or
Switch order, single-chip microcomputer decode to the dimming commands or switch order, and control the friendship according to the dimming commands
The size and frequency of the AC signal of signal generator are flowed, or, control the AC signal to occur according to the switch order
Device carries out exporting AC signal or closes AC signal.
Preferably, the power supply uses Switching Power Supply or transformer linear power supply.
Preferably, the power amplifier uses simulated power amplifier, and is amplified processing to the AC signal；
Or the power amplifier uses digital power amplifier, the AC signal is converted to number by the digital power amplifier
Processing is amplified after word signal and to the data signal, or the digital power amplifier is also before equipped with Analog-digital Converter
Device, the AC signal is converted to by data signal by the analog-digital converter, then amplified by the digital power
Device is amplified processing to the data signal.
Preferably, the AC signal generator uses sine-wave oscillator, the sine-wave oscillator and the single-chip microcomputer
It is connected, and controls the sine-wave oscillator to produce AC signal by single-chip microcomputer.
Preferably, the AC signal generator uses DAC digital analog converters, the DAC digital analog converters and the monolithic
Machine is connected, and controls the DAC digital analog converters to produce AC signal by single-chip microcomputer.
Preferably, the AC signal generator uses PWM module and RC/LC low pass filters, the PWM module and institute
State single-chip microcomputer to be connected, and control the PWM module to produce pulse width modulating signal by single-chip microcomputer；The RC/LC low passes
Wave filter is connected with the PWM module, and processing is filtered to the pulse width modulating signal and obtains the exchange letter
Number.
Preferably, the AC signal generator uses digital signal processor, the digital signal processor and the list
Piece machine is connected, and controls the digital signal processor to produce AC signal by single-chip microcomputer.
Preferably, the frequency of AC signal and amplitude are adjustable caused by the AC signal generator.
The beneficial effects of the invention are as follows：
Light-adjustment film intelligent controller provided by the present invention, the stepless-adjustment of any brightness of light modulation film allowed band can be achieved
The light adjusting circuit that light, segmented light-modulating mode and stepless light-modulating mode coexist, it can be changed according to the demand in different application field
Frequency is controlled, and remote control or centralized Control can be realized by communication module, greatly improves the intelligent level of light modulation film.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the circuit theory schematic diagram of the light-adjustment film intelligent controller of first embodiment of the invention；
Fig. 2 is the circuit theory schematic diagram of the light-adjustment film intelligent controller of second embodiment of the invention；
Fig. 3 is that the single-chip microcomputer of the light-adjustment film intelligent controller of second embodiment of the invention and the circuit of digital analog converter connect
Structural representation；
Fig. 4 is the circuit theory schematic diagram of the light-adjustment film intelligent controller of third embodiment of the invention；
Fig. 5 is the single-chip microcomputer and PWM module, RC/LC low pass filtereds of the light-adjustment film intelligent controller of third embodiment of the invention
The schematic diagram of circuit connection structure of ripple device；
Fig. 6 is the circuit theory schematic diagram of the light-adjustment film intelligent controller of fourth embodiment of the invention；
Fig. 7 is the circuit structure signal of the digital signal processor of the light-adjustment film intelligent controller of fourth embodiment of the invention
Figure.
Embodiment
In order that technical problems, technical solutions and advantages to be solved are clearer, clear, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
The invention provides a kind of light-adjustment film intelligent controller, including：Power supply, single-chip microcomputer, AC signal generator,
Power amplifier, outside connected switch, the single-chip microcomputer, AC signal generator, power amplifier, communication module and the power supply electricity
Source is connected, and the AC signal generator is connected with the single-chip microcomputer and produces the controllable linear AC signal of size,
The frequency and amplitude of the AC signal are adjustable；The power amplifier is connected with the AC signal generator and to described
AC signal is amplified processing；Also include communication module, the outside connected switch being connected with single-chip microcomputer, by the communication module or
Outside connected switch described in person sends dimming commands or switch order to the single-chip microcomputer, and single-chip microcomputer refers to the dimming commands or switch
Order is decoded, and the size and frequency of the AC signal according to the dimming commands control AC signal generator, or
Person, control the AC signal generator to carry out exporting AC signal according to the switch order or close AC signal.
Wherein, the power supply uses Switching Power Supply or transformer linear power supply, mains 100V-240V accesses
The power supply is powered to single-chip microcomputer, AC signal generator, power amplifier etc. again after carrying out decompression processing.It is described
Power amplifier uses simulated power amplifier, and is amplified processing to the AC signal；Or the power amplifier
Using digital power amplifier, the digital power amplifier is converted to the AC signal after data signal and to the numeral
Signal is amplified processing, or the digital power amplifier is also before equipped with analog-digital converter, passes through the simulation numeral
The AC signal is converted to data signal by converter, then the data signal is carried out by the digital power amplifier
Enhanced processing.
Embodiment one (sine-wave oscillator)：
As shown in figure 1, in the present embodiment, the AC signal generator uses sine-wave oscillator, the sine-wave oscillation
Device is connected with the single-chip microcomputer, and controls the sine-wave oscillator to produce AC signal by single-chip microcomputer.
Single-chip microcomputer (MCU) control sine-wave oscillator produces the linear AC signal of controllable size, and AC signal leads to
After crossing digital power amplifier or simulated power amplifier amplification, 0-100V AC signal can be exported, passes through the communication
The communication of module and single-chip microcomputer issue dimming commands or switch order to single-chip microcomputer, single-chip microcomputer control sine-wave oscillator
The size of AC signal, frequency, there are output, no output, the output of linear size, or can be controlled just by ON/OFF outside connected switches
String wave oscillator has output and not exported.
Embodiment two (DAC digital analog converters)：
As shown in Figures 2 and 3, compared with first embodiment, the main distinction of the present embodiment is：The AC signal hair
Raw device uses DAC digital analog converters, and the DAC digital analog converters are connected with the single-chip microcomputer, and described in being controlled by single-chip microcomputer
DAC digital analog converters produce AC signal.Wherein, the DAC digital analog converters it is integrated be built in the single-chip microcomputer or with
The external cooperation of single-chip microcomputer.
Specifically, be powered after mains 100V-240V access Switching Power Supplies or the linear power voltage step down of transformer,
The linear AC signal of controllable size is produced by the internal DAC digital analog converters of single-chip microcomputer (MCU), AC signal passes through number
After word power amplifier or simulated power amplifier amplification, exportable 0-100V AC signal, pass through the communication module
Communication with single-chip microcomputer be controlled inside single-chip microcomputer the size of AC signal caused by DAC digital analog converters, frequency, have it is defeated
Go out, no output, the output of linear size, or by ON/OFF outside connected switches AC signal can be controlled to have output and do not export.
Embodiment three (PWM module and RC/LC low pass filters)：
As shown in Figure 4 and Figure 5, compared with first embodiment, the main distinction of the present embodiment is：The AC signal hair
Raw device uses PWM module and RC/LC low pass filters, and the PWM module is connected with the single-chip microcomputer, and passes through single-chip microcomputer control
Make the PWM module and produce pulse width modulating signal；The RC/LC low pass filters are connected with the PWM module, and right
The pulse width modulating signal is filtered processing and obtains the AC signal.Wherein, the PWM module is integrated is built in institute
State in single-chip microcomputer or with the external cooperation of the single-chip microcomputer.
Specifically, be powered after mains 100V-240V access Switching Power Supplies or the linear power voltage step down of transformer,
By the internal PWM module of single-chip microcomputer (MCU) produce adjustable PWM cycle, PWM dutycycle pulse width modulating signal,
It is filtered processing to the pulse width modulating signal by RC/LC low pass filters again and produces the linear of controllable size
AC signal, after AC signal is amplified by digital power amplifier or simulated power amplifier, it can export 0-100V's
AC signal, by the communication of the communication module and single-chip microcomputer be controlled inside single-chip microcomputer caused by pwm signal size,
Frequency, there are output, no output, the output of linear size, or by ON/OFF outside connected switches pwm signal can be controlled to have output and do not have
There is output.
Example IV (digital signal processor)：
As shown in Figure 6 and Figure 7, compared with first embodiment, the main distinction of the present embodiment is：The AC signal hair
Raw device uses digital signal processor, and the digital signal processor is connected with the single-chip microcomputer, and controls institute by single-chip microcomputer
State AC signal caused by digital signal processor.
Specifically, be powered after mains 100V-240V access Switching Power Supplies or the linear power voltage step down of transformer,
Single-chip microcomputer (MCU) control is produced the linear AC signal of controllable size by digital signal processor (DSP), and AC signal leads to
After crossing digital power amplifier or simulated power amplifier amplification, exportable 0-100V AC signal, pass through the communication
The communication of module and single-chip microcomputer is controlled single-chip microcomputer, and single-chip microcomputer controls the big of the AC signal of digital signal processor output again
Small, frequency, there are output, no output, the output of linear size, or digital signal processor can be controlled by ON/OFF outside connected switches
AC signal have output and do not export.
It should be noted that the communication module can use RS485 communication modules, the RF remote-controlled receiving modules of RF, bluetooth
Module, GPRS communication module, infrared receiver module, CAN communication module, WIFI wireless communication modules, RS449 communication moulds
Block, RS485 communication modules, RS232 communication modules, RS422 communication modules etc., are not limited.
The preferred embodiments of the present invention have shown and described in described above, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and
Environment, and can be changed in the scope of the invention is set forth herein by the technology or knowledge of above-mentioned teaching or association area
It is dynamic., then all should be appended by the present invention and the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention
In scope of the claims.
Claims (7)
- A kind of 1. light-adjustment film intelligent controller, it is characterised in that including：Power supply, single-chip microcomputer, AC signal generator, work( Rate amplifier, outside connected switch, the AC signal generator are connected with the single-chip microcomputer and produce controllable linear of size AC signal, the power amplifier are connected with the AC signal generator and are amplified place to the AC signal Reason；Also include communication module, the outside connected switch being connected with single-chip microcomputer, the single-chip microcomputer, AC signal generator, power amplification Device, communication module are connected with the power supply, by the communication module or the outside connected switch to the single-chip microcomputer Send dimming commands or switch order, single-chip microcomputer decode to the dimming commands or switch order, and according to the light modulation Instruction controls the size and frequency of the AC signal of the AC signal generator, or, institute is controlled according to the switch order AC signal generator is stated to carry out exporting AC signal or close AC signal.
- 2. a kind of light-adjustment film intelligent controller according to claim 1, it is characterised in that the power supply is using switch Power supply or transformer linear power supply.
- 3. a kind of light-adjustment film intelligent controller according to claim 1, it is characterised in that the power amplifier uses mould Intend power amplifier, and processing is amplified to the AC signal；Or the power amplifier is amplified using digital power The AC signal is converted to after data signal and is amplified place to the data signal by device, the digital power amplifier Reason, or the digital power amplifier is also before equipped with analog-digital converter, by the analog-digital converter by the friendship Stream signal is converted to data signal, then is amplified processing to the data signal by the digital power amplifier.
- A kind of 4. light-adjustment film intelligent controller according to claim 1 or 2 or 3, it is characterised in that the AC signal hair Raw device uses sine-wave oscillator, and the sine-wave oscillator is connected with the single-chip microcomputer, and by single-chip microcomputer control it is described just String wave oscillator produces AC signal.
- A kind of 5. light-adjustment film intelligent controller according to claim 1 or 2 or 3, it is characterised in that the AC signal hair Raw device uses DAC digital analog converters, and the DAC digital analog converters are connected with the single-chip microcomputer, and described in being controlled by single-chip microcomputer DAC digital analog converters produce AC signal.
- A kind of 6. light-adjustment film intelligent controller according to claim 1 or 2 or 3, it is characterised in that the AC signal hair Raw device uses PWM module and RC/LC low pass filters, and the PWM module is connected with the single-chip microcomputer, and passes through single-chip microcomputer control Make the PWM module and produce pulse width modulating signal；The RC/LC low pass filters are connected with the PWM module, and right The pulse width modulating signal is filtered processing and obtains the AC signal.
- A kind of 7. light-adjustment film intelligent controller according to claim 1 or 2 or 3, it is characterised in that the AC signal hair Raw device uses digital signal processor, and the digital signal processor is connected with the single-chip microcomputer, and controls institute by single-chip microcomputer State digital signal processor and produce AC signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629438.XA CN107463127A (en) | 2017-07-28 | 2017-07-28 | Light-adjustment film intelligent controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710629438.XA CN107463127A (en) | 2017-07-28 | 2017-07-28 | Light-adjustment film intelligent controller |
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| CN107463127A true CN107463127A (en) | 2017-12-12 |
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| CN201710629438.XA Pending CN107463127A (en) | 2017-07-28 | 2017-07-28 | Light-adjustment film intelligent controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110136664A (en) * | 2019-04-25 | 2019-08-16 | 昆山龙腾光电有限公司 | Driving circuit and liquid crystal display device |
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Application publication date: 20171212 |