CN206149575U - Contravariant type membrane intelligent control drive circuit that adjusts luminance - Google Patents
Contravariant type membrane intelligent control drive circuit that adjusts luminance Download PDFInfo
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- CN206149575U CN206149575U CN201621273287.6U CN201621273287U CN206149575U CN 206149575 U CN206149575 U CN 206149575U CN 201621273287 U CN201621273287 U CN 201621273287U CN 206149575 U CN206149575 U CN 206149575U
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- Prior art keywords
- microcontroller
- optical sensor
- drive circuit
- light
- contravariant
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model discloses a contravariant type membrane intelligent control drive circuit that adjusts luminance, it includes power, microcontroller, is connected to a light sensor of microcontroller input, the 2nd light sensor, and a light sensor is used for response branch round the clock, and the 2nd light sensor is used for responding to the real -time light illuminance of its environment of locating, adjust luminance membrane, contravariant switch tube, contravariant transformer, this contravariant switch tube connected between contravariant transformer primary coil and microcontroller's output, the output connection contravariant transformer primary coil of this power, the secondary coil of this contravariant transformer connects the membrane of adjusting luminance, it has following advantage: replace linear power supply to give the membrane power supply of adjusting luminance with the inverter type power, make the membrane drive power supply's that adjusts luminance volume, weight and cost reduce by a wide margin, realize intelligent light -adjusting, improve light modulation lamp's performance.
Description
Technical field
The utility model is related to a kind of inverse type light-adjustment film intelligent control drive circuit.
Background technology
Based on the light modulation circuit for lamp of light modulation film, better than the circuit for directly adjusting light illumination in some performances.Lead in the industry
If being realized with relatively simple hardware circuit, there is single function, effect is general, be not easy to Intelligent adjustment, inadequate energy-conservation, no
The shortcomings of communication and remotely control can be carried out.
Utility model content
The utility model provides a kind of inverse type light-adjustment film intelligent and controls drive circuit, which overcomes institute in background technology
The deficiencies in the prior art stated.
The utility model solves the technical scheme that its technical problem adopted：
A kind of inverse type light-adjustment film intelligent controls drive circuit, and it includes：
Power supply, for controlling drive circuitry for inverse type light-adjustment film intelligent；
Microcontroller, the first optical sensor, the second optical sensor, first optical sensor connects the input of microcontroller
And for sensing round the clock point, the input of second optical sensor connection microcontroller simultaneously is used to sense the reality of its local environment
When light illumination；
Light modulation film, inverse switch pipe, contravariant transformer, inverse switch pipe is connected to the one of contravariant transformer primary coil
Between end and the output end of microcontroller, the other end of the contravariant transformer primary coil connects the positive pole of power supply, and the inversion becomes
The secondary coil connection light modulation film of depressor；
The keying of the optical signal output control electronic switch that microcontroller feeds back according to the first optical sensor is controlling light source
Keying, the optical signal output pwm signal that microcontroller is fed back always according to the second optical sensor controls the conducting of inverse switch pipe
The output voltage of contravariant transformer is controlled with deadline, so as to the mesh for adjusting the operating voltage of light modulation film to reach light modulation
's.
Among one embodiment：Also include communication module, the communication module connection microcontroller, for communicating with remote terminal
Connection.
Among one embodiment：Also include signal amplification module, second optical sensor is Jing after connecting the signal amplification module
The input of connection microcontroller.
Among one embodiment：The inverse switch pipe and electronic switch all adopt semiconductor switch pipe.
Among one embodiment：One end of the drain electrode connection contravariant transformer primary coil of the inverse switch pipe, grid connects
The output end of microcontroller is connect, source electrode Jing connects current sampling resistor ground connection and source electrode is connected to the input of microcontroller.
Among one embodiment：First optical sensor adopts photo resistance.
Among one embodiment：The power supply is also connected with the microcontroller, communication module and the second optical sensor, for carrying to it
For operating voltage.
Compared with background technology, it has the advantage that the technical program：
1st, light source is adjusted using light modulation film, performance is better than to the direct regulation of light source.
2nd, replace linear power supply to power to light modulation film and dim with contravariant power, make light modulation film driving power supply volume,
Weight and cost are greatly reduced.
3rd, it is controlled after light modulation using microcontroller, the performance of desk lamp with dimmer switch is substantially improved, the photoelectricity of desk lamp with dimmer switch can be joined
Number carries out the regulation that becomes more meticulous.
4th, it is controlled after light modulation with microcontroller, the improvement and upgrading to desk lamp with dimmer switch lamp becomes easy.
5th, the communication module for communicating to connect with remote terminal is provided with, is easy to dim remotely control, the program of circuit for lamp
On-line optimization is upgraded.
6th, it is described in the utility model a kind of steady based on the intelligent dimming circuit for lamp compact conformation of light modulation film, service behaviour
Fixed, intellectuality.
Description of the drawings
With reference to the accompanying drawings and examples the utility model is described in further detail.
Fig. 1 is the circuit theory diagrams that the inverse type light-adjustment film intelligent described in the present embodiment controls drive circuit.
Specific embodiment
Fig. 1 is refer to, a kind of inverse type light-adjustment film intelligent controls drive circuit, and it includes：
Light source, power supply 1, for controlling drive circuitry for inverse type light-adjustment film intelligent, 1 point of the power supply is that two-way is defeated
Go out, wherein all the way output connection light source is used to provide electric energy to light source, and an electronic switch 2 is connected with its output, for controlling
The break-make of the output of power supply processed 1；
Microcontroller 3, the first optical sensor 4, the second optical sensor 5, the connection microcontroller 3 of the first optical sensor 4
Input and for sensing round the clock point, the input of second optical sensor 5 connection microcontroller simultaneously is used to sense residing for it
The real-time light illumination of environment；
Light modulation film, inverse switch pipe 6, contravariant transformer 7, inverse switch pipe 6 is connected to the primary coil of contravariant transformer 7
One end and the output end of microcontroller 3 between, the other end of the primary coil of contravariant transformer 7 connects the another of the power supply 1
Road exports, the secondary coil connection light modulation film of the contravariant transformer 7；
The keying of the optical signal output control electronic switch 2 that microcontroller 3 feeds back according to the first optical sensor 4 is controlling light
The keying in source, microcontroller 3 controls inverse switch pipe 6 always according to the optical signal output pwm signal that the second optical sensor 5 feeds back
Conducting and deadline control the output voltage of contravariant transformer 7, so as to adjust the operating voltage of light modulation film to reach light modulation
Purpose.
Preferably, the drive circuit also includes communication module 8, the communication module 8 connection microcontroller 3, for it is long-range
Terminal communication connects, and is easy to the online upgrading of far distance light regulation control and light modulation circuit for lamp.
In the present embodiment, also including signal amplification module 9, second optical sensor 5 is Jing after connecting the signal amplification module 9
The input of connection microcontroller 3, the output signal for making the second optical sensor 5 is matched with the input voltage range of microcontroller 3.
In the present embodiment, the inverse switch pipe 6 and electronic switch 2 all adopt semiconductor switch pipe, specially MOS switch
Pipe, one end of the drain electrode connection primary coil of contravariant transformer 7 of inverse switch pipe 6, grid connects the output end of microcontroller 3,
The input and source electrode Jing of source electrode connection microcontroller 3 connects a current sampling resistor and is grounded, by the way that drain electrode is connected to into micro-control
The input of device processed 3 forms a feedback regulation of the pwm signal that microcontroller 3 is exported：It is constant in the illumination of ambient
In the case of, when the source current in inverse switch pipe 6 is more than setting, the pressure drop increase on current sampling resistor R12, with
The A/D ports of the connected microcontroller 3 of the source electrode of inverse switch pipe 6 obtain the voltage increment, the microcontroller 3 Jing after program process
The pulsewidth of pwm signal sent of output port diminish, so as to reduce inverse switch pipe 6 in source current and contravariant transformer
7 output voltage, it is as the same when the source current in inverse switch pipe 6 reduces.In the case of the illumination change of ambient,
The PWM pulsewidths are with ambient illumination into certain functional relation.
Power supply 1 connects the microcontroller 3, communication module 8, the optical sensor 5 of signal amplification module 9 and second, for it
Operating voltage is provided；
The first optical sensor described in the present embodiment can be carried out photosensitive using photo resistance, and the microcontroller can adopt low
The single-chip microcomputer of cost is used as core controller.
Fig. 1 is consulted, the drive circuit specific work process described in the present embodiment is as follows：Power supply produces light source and operating circuit
Required voltage and current, it is output as all the way light source and provides electric energy, and another road output is connected to the primary of contravariant transformer L2
Coil and microcontroller, communication module, signal amplification module and the second light are connected to after the voltage stabilizing of three-terminal voltage-stabilizing chip IC 1 pass
Sensor is its power supply；Photo resistance R15 is delivered to the I/O mouths of single-chip microcomputer IC3, single-chip microcomputer by the ambient light illuminance information for detecting
The conducting and cut-off of the IC3 electronic switch Q2 of output control signal Jing resistance R5 controls after treatment, so as to control the defeated of power supply
Go out, when single-chip microcomputer IC3 learns that night comes by the light illumination information that photo resistance R15 feeds back, then output control electronic cutting
Close Q2 to open, power output end conducting, light source is opened, the light modulation work of light modulation film starts to start (specifically by single-chip microcomputer IC3
Program setting starts, such as after single-chip microcomputer IC3 receives the information that night comes, that is, start to the second optical sensor feedback
The process of illuminance information simultaneously makes the action for adjusting its operating voltage to light modulation film), single-chip microcomputer IC3 and then real-time judge second
Light illumination information after the amplified module I C5 signal amplifications of optical sensor SEN1, and the light illumination information is processed
By resistance R23 output pwm signals to inverse switch pipe Q3 to control conducting and the deadline of inverse switch pipe Q3, so as to control
The output voltage of contravariant transformer processed, and then the operating voltage of light modulation film is controlled, reach according to light source surrounding environment light illumination
Difference carry out purpose with an automatic light meter.Arrive when daytime, then single-chip microcomputer output control light source and light modulation film quit work.It is this
Go out automatically round the clock, bright light source and the intelligence of its work substantially increased according to the mode of operation of surrounding environment illuminance in real time light modulation
Property and energy saving.
The above, only the utility model preferred embodiment, therefore can not according to this limit the utility model enforcement
Scope, i.e., the equivalence changes made according to the utility model the scope of the claims and description and modification, all should still belong to this practicality new
In the range of type covers.
Claims (7)
1. a kind of inverse type light-adjustment film intelligent controls drive circuit, it is characterised in that include：
Power supply, for controlling drive circuitry for inverse type light-adjustment film intelligent；
Microcontroller, the first optical sensor, the second optical sensor, the input of the first optical sensor connection microcontroller is used in combination
In sensing round the clock point, the input of second optical sensor connection microcontroller simultaneously is used to sense the Real-Time Optical of its local environment
Line illumination；
Light modulation film, inverse switch pipe, contravariant transformer, the inverse switch pipe be connected to one end of contravariant transformer primary coil with
Between the output end of microcontroller, the other end of the contravariant transformer primary coil connects the positive pole of the power supply, the inversion transformation
The secondary coil connection light modulation film of device；
The keying of the optical signal output control electronic switch that microcontroller feeds back according to the first optical sensor is controlling opening for light source
Close, microcontroller controls the conducting of inverse switch pipe and cuts always according to the optical signal output pwm signal that the second optical sensor feeds back
Only the time to be controlling the output voltage of contravariant transformer, so as to the purpose for adjusting the operating voltage of light modulation film to reach light modulation.
2. a kind of inverse type light-adjustment film intelligent according to claim 1 controls drive circuit, it is characterised in that：Also include logical
Letter module, the communication module connection microcontroller, for communicating to connect with remote terminal.
3. a kind of inverse type light-adjustment film intelligent according to claim 1 controls drive circuit, it is characterised in that：Also include letter
Number amplification module, second optical sensor connects the input of microcontroller Jing after connecting the signal amplification module.
4. a kind of inverse type light-adjustment film intelligent according to claim 1 controls drive circuit, it is characterised in that：The inversion
Switching tube and electronic switch all adopt semiconductor switch pipe.
5. a kind of inverse type light-adjustment film intelligent according to claim 4 controls drive circuit, it is characterised in that：The inversion
One end of the drain electrode connection contravariant transformer primary coil of switching tube, grid connects the output end of microcontroller, source electrode Jing connections
One current sampling resistor is grounded and source electrode is connected to the input of microcontroller.
6. a kind of inverse type light-adjustment film intelligent according to claim 1 controls drive circuit, it is characterised in that：Described first
Optical sensor adopts photo resistance.
7. a kind of inverse type light-adjustment film intelligent according to claim 2 controls drive circuit, it is characterised in that：Power supply connects
The microcontroller, communication module and the second optical sensor, for providing operating voltage to it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621273287.6U CN206149575U (en) | 2016-11-25 | 2016-11-25 | Contravariant type membrane intelligent control drive circuit that adjusts luminance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621273287.6U CN206149575U (en) | 2016-11-25 | 2016-11-25 | Contravariant type membrane intelligent control drive circuit that adjusts luminance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206149575U true CN206149575U (en) | 2017-05-03 |
Family
ID=58626603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621273287.6U Active CN206149575U (en) | 2016-11-25 | 2016-11-25 | Contravariant type membrane intelligent control drive circuit that adjusts luminance |
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| CN (1) | CN206149575U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107463127A (en) * | 2017-07-28 | 2017-12-12 | 厦门乐人电子有限公司 | Light-adjustment film intelligent controller |
| CN112097913A (en) * | 2020-05-22 | 2020-12-18 | 漳州华康信息科技有限公司 | Infrared temperature measuring device of thing networking of face identification laser automatic tracking |
-
2016
- 2016-11-25 CN CN201621273287.6U patent/CN206149575U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107463127A (en) * | 2017-07-28 | 2017-12-12 | 厦门乐人电子有限公司 | Light-adjustment film intelligent controller |
| CN112097913A (en) * | 2020-05-22 | 2020-12-18 | 漳州华康信息科技有限公司 | Infrared temperature measuring device of thing networking of face identification laser automatic tracking |
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