CN201708992U - Intelligent dimming circuit and lamp - Google Patents
Intelligent dimming circuit and lamp Download PDFInfo
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- CN201708992U CN201708992U CN2010201961747U CN201020196174U CN201708992U CN 201708992 U CN201708992 U CN 201708992U CN 2010201961747 U CN2010201961747 U CN 2010201961747U CN 201020196174 U CN201020196174 U CN 201020196174U CN 201708992 U CN201708992 U CN 201708992U
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- switch element
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- triode
- input
- dimming circuit
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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 is suitable for the technical field of lamps, and provides an intelligent dimming circuit and a lamp. The intelligent dimming circuit comprises a detection unit, an A/D conversion unit, a control unit and a driving unit. In the utility model, the detection unit of the intelligent dimming circuit detects environmental brightness to generate detection signals, and the control unit outputs control signals according to the detection signals to control the lighting brightness of a lighting unit to adapt to the environmental brightness, so automatic dimming is realized, and compared with manual dimming, the automatic dimming eliminates the trouble of operation, and the brightness of the lamp can be adjusted to an appropriate brightness so as to adapt to the change of the environmental brightness.
Description
Technical field
The utility model belongs to technical field of lamps, relates in particular to a kind of intelligent dimming circuit and light fixture.
Background technology
In daily life, we can regulate the brightness of light fixture to adapt to the lighting requirement that must reach when human eye is read along with the variation of ambient brightness.Traditional light fixture light-dimming method is the electric current by manual adjustments resistance, increase and decrease controllable silicon trigger electrode, thereby control output voltage changes the average power of bulb, to obtain different brightness.
Manually light modulation not only bothers, and light modulation relies on user's subjective feeling degree fully, therefore can't be with the brightness regulation of light fixture to the variation of rational brightness with the brightness that conforms.
The utility model content
The purpose of this utility model is to provide a kind of intelligent dimming circuit, is intended to solve the problem that there is troublesome poeration in the manual light modulation of present employing and can't accomplishes to be adjusted to reasonable brightness.
The utility model is achieved in that a kind of intelligent dimming circuit, is connected with luminescence unit, and described intelligent dimming circuit comprises:
Testing environment brightness, the detecting unit of generation detection signal;
Import the output of the described detecting unit of termination, described detection signal is converted to the A/D converter of digital signal form by analog signal form;
The output of the described A/D converter of input termination, according to the detection signal of described digital signal form, the output control signal is controlled the luminosity of described luminescence unit and the control unit that ambient brightness adapts; And
The output of input termination described control unit, output sending and receiving light unit converts described control signal to the driver element of the drive current of driven for emitting lights cell operation.
In the said structure, described detecting unit comprises:
Photo resistance RG and divider resistance R1;
First termination power of described photo resistance RG, first end of the second termination divider resistance R1 of described photo resistance RG, first end of described divider resistance R1 and second end connect the input of described A/D converter respectively as the output of detecting unit.
In the said structure, described A/D converter comprises:
One mould/number conversion chip;
The first input end of described mould/number conversion chip and second input are as the input of described A/D converter, connect the output of described detecting unit respectively, first output of described mould/number conversion chip, second output and the 3rd output connect the input of described control unit respectively as the output of described A/D converter.
In the said structure, described control unit comprises:
One central processing unit;
The first input end of described central processing unit, second input and the 3rd input are as the input of described control unit, connect the output of described A/D converter respectively, first output of described central processing unit, second output, the 3rd output and the 4th output connect the input of described driver element respectively as the output of described control unit.
In the said structure, described driver element comprises:
First switch element, second switch element, the 3rd switch element, the 4th switch element, current-limiting resistance R2, current-limiting resistance R3, current-limiting resistance R4, current-limiting resistance R5 and chip for driving;
Described first switch element, the second switch element, the control end of the 3rd switch element and the 4th switch element is as the input of driver element, connect the output of described control unit respectively, described first switch element, the second switch element, second end of the 3rd switch element and the 4th switch element is ground connection simultaneously, described first switch element, the second switch element, first end of the 3rd switch element and the 4th switch element is respectively by current-limiting resistance R2, current-limiting resistance R3, current-limiting resistance R4 and current-limiting resistance R5 connect the input of chip for driving, the power end of the described luminescence unit of output termination of described chip for driving.
In the said structure, described first switch element is triode Q1, the base stage of described triode Q1 is as the control end of first switch element, and the collector electrode of described triode Q1 is as first end of first switch element, and the emitter of described triode Q1 is as second end of first switch element.
In the said structure, described second switch element is triode Q2, the base stage of described triode Q2 is as the control end of second switch element, and the collector electrode of described triode Q2 is as first end of second switch element, and the emitter of described triode Q2 is as second end of second switch element.
In the said structure, described the 3rd switch element is triode Q3, the base stage of described triode Q3 is as the control end of the 3rd switch element, and the collector electrode of described triode Q3 is as first end of the 3rd switch element, and the emitter of described triode Q3 is as second end of the 3rd switch element.
In the said structure, described the 4th switch element is triode Q4, the base stage of described triode Q4 is as the control end of the 4th switch element, and the collector electrode of described triode Q4 is as first end of the 4th switch element, and the emitter of described triode Q4 is as second end of the 4th switch element.
In the said structure, described luminescence unit is a LED lamp group.
Another purpose of the present utility model is to provide a kind of light fixture that comprises above-mentioned intelligent dimming circuit.
In the utility model, the detecting unit testing environment brightness of this intelligent dimming circuit, generate detection signal, control unit is according to detection signal, the luminosity and the ambient brightness of output control signal control luminescence unit adapt, so just realized with an automatic light meter, with respect to manual light modulation, saved the trouble of operation, and can be with the brightness regulation of light fixture to the variation of rational brightness with the brightness that conforms.
Description of drawings
Fig. 1 is the structure chart of the intelligent dimming circuit that provides of the utility model embodiment;
Fig. 2 is the exemplary circuit figure of the intelligent dimming circuit that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows the structure of the intelligent dimming circuit that the utility model embodiment provides.
The intelligent dimming circuit is connected with luminescence unit 500, comprises detecting unit 100, A/D converter 200, control unit 300 and driver element 400.
Detecting unit 100 testing environment brightness generate detection signal;
The output of the input termination detecting unit 100 of A/D converter 200 is converted to digital signal form with detection signal by analog signal form;
The output of the input termination A/D converter 200 of control unit 300, according to the detection signal of digital signal form, the luminosity and the ambient brightness of output control signal control luminescence unit 500 adapt;
The output of the input termination control unit 300 of driver element 400, output sending and receiving light unit 500 converts control signal to work in driven for emitting lights unit 500 drive current.
Fig. 2 shows the exemplary circuit structure of the intelligent dimming circuit that the utility model embodiment provides.
As the utility model one embodiment, detecting unit 100 comprises:
Photo resistance RG and divider resistance R1;
The first termination 5V power supply VCC of photo resistance RG, first end of the second termination divider resistance R1 of photo resistance RG, first end of divider resistance R1 and second end connect the input of A/D converter 200 respectively as the output of detecting unit 100.
As the utility model one embodiment, A/D converter 200 comprises:
One mould/number conversion chip U1;
The first input end IN1 of mould/number conversion chip U1 and the second input IN2 are as the input of A/D converter 200, connect the output of detecting unit 100 respectively, the first output OUT1 of mould/number conversion chip U1, the second output OUT2 and the 3rd output OUT3 are as the output of A/D converter 200, connect the input of control unit 300 respectively, the power end Vcc of mould/number conversion chip U1 connects the 5V power supply.
As the utility model one embodiment, control unit 300 comprises:
One central processing unit U2;
The first input end IN1 of central processing unit U2, the second input IN2 and the 3rd input IN3 are as the input of control unit 300, connect the output of A/D converter 200 respectively, the first output CON1 of central processing unit U2, the second output CON2, the 3rd output CON3 and the 4th output CON4 connect the input of driver element 400 respectively as the output of control unit 300.
As the utility model one embodiment, driver element 400 comprises:
As the utility model one embodiment, first switch element 401 is triode Q1, the base stage of triode Q1 is as the control end of first switch element 401, the collector electrode of triode Q1 is as first end of first switch element 401, and the emitter of triode Q1 is as second end of first switch element 401.
As the utility model one embodiment, second switch element 402 is triode Q2, the base stage of triode Q2 is as the control end of second switch element 402, the collector electrode of triode Q2 is as first end of second switch element 402, and the emitter of triode Q2 is as second end of second switch element 402.
As the utility model one embodiment, the 3rd switch element 403 is triode Q3, the base stage of triode Q3 is as the control end of the 3rd switch element 403, the collector electrode of triode Q3 is as first end of the 3rd switch element 403, and the emitter of triode Q3 is as second end of the 3rd switch element 403.
As the utility model one embodiment, the 4th switch element 404 is triode Q4, the base stage of triode Q4 is as the control end of the 4th switch element 404, the collector electrode of triode Q4 is as first end of the 4th switch element 404, and the emitter of triode Q4 is as second end of the 4th switch element 404.
The utility model embodiment also provides a kind of light fixture that comprises above-mentioned intelligent dimming circuit, and as the utility model one embodiment, luminescence unit 500 is a LED lamp group, and light fixture comprises LED desk lamp, LED indoor lamp etc.
Be the course of work of example explanation intelligent dimming circuit below with the LED desk lamp:
The LED desk lamp is when work, because photo resistance RG connects with divider resistance R1, then mould/first input end the IN1 of number conversion chip U1 and the both end voltage of the second input IN2 are VI=5*R1/ (RG+R1).When photo resistance RG experiences the ambient brightness variation, then the resistance value of photo resistance RG can change, then VI also can change thereupon, mould/number conversion chip U1 converts VI to digital signal form by analog signal form, and send among the central processing unit U2, central processing unit U2 can compare this signal and determine which output among its first output CON1, the second output CON2, the 3rd output CON3 and the 4th output CON4 that driver element 400 is exported with predefined program.When the base stage of triode Q1, triode Q2, triode Q3, triode Q4 is input as high level, the triode conducting, when being input as low level, triode ends.In the same time, only have a triode conducting among triode Q1, triode Q2, triode Q3, the triode Q4, other three triodes end.Because the resistance value of current-limiting resistance R2, current-limiting resistance R3, four resistance of current-limiting resistance R4 and current-limiting resistance R5 is different, so under the driving of equal voltage+24VDC, the electric current that flows through the LED lamp will be different, the electric current difference makes that the brightness of LED lamp is also different, thereby reaches the purpose of hierarchical intelligence light modulation.
In the utility model, the detecting unit testing environment brightness of this intelligent dimming circuit, generate detection signal, control unit is according to detection signal, the luminosity and the ambient brightness of output control signal control luminescence unit adapt, so just realized with an automatic light meter, with respect to manual light modulation, saved the trouble of operation, and can be with the brightness regulation of light fixture to the variation of rational brightness with the brightness that conforms.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (11)
1. an intelligent dimming circuit is connected with luminescence unit, it is characterized in that, described intelligent dimming circuit comprises:
Testing environment brightness, the detecting unit of generation detection signal;
Import the output of the described detecting unit of termination, described detection signal is converted to the A/D converter of digital signal form by analog signal form;
The output of the described A/D converter of input termination, according to the detection signal of described digital signal form, the output control signal is controlled the luminosity of described luminescence unit and the control unit that ambient brightness adapts; And
The output of input termination described control unit, output sending and receiving light unit converts described control signal to the driver element of the drive current of driven for emitting lights cell operation.
2. intelligent dimming circuit as claimed in claim 1 is characterized in that, described detecting unit comprises:
Photo resistance RG and divider resistance R1;
First termination power of described photo resistance RG, first end of the second termination divider resistance R1 of described photo resistance RG, first end of described divider resistance R1 and second end connect the input of described A/D converter respectively as the output of detecting unit.
3. intelligent dimming circuit as claimed in claim 1 is characterized in that, described A/D converter comprises:
One mould/number conversion chip;
The first input end of described mould/number conversion chip and second input are as the input of described A/D converter, connect the output of described detecting unit respectively, first output of described mould/number conversion chip, second output and the 3rd output connect the input of described control unit respectively as the output of described A/D converter.
4. intelligent dimming circuit as claimed in claim 1 is characterized in that, described control unit comprises:
One central processing unit;
The first input end of described central processing unit, second input and the 3rd input are as the input of described control unit, connect the output of described A/D converter respectively, first output of described central processing unit, second output, the 3rd output and the 4th output connect the input of described driver element respectively as the output of described control unit.
5. intelligent dimming circuit as claimed in claim 1 is characterized in that, described driver element comprises:
First switch element, second switch element, the 3rd switch element, the 4th switch element, current-limiting resistance R2, current-limiting resistance R3, current-limiting resistance R4, current-limiting resistance R5 and chip for driving;
Described first switch element, the second switch element, the control end of the 3rd switch element and the 4th switch element is as the input of driver element, connect the output of described control unit respectively, described first switch element, the second switch element, second end of the 3rd switch element and the 4th switch element is ground connection simultaneously, described first switch element, the second switch element, first end of the 3rd switch element and the 4th switch element is respectively by current-limiting resistance R2, current-limiting resistance R3, current-limiting resistance R4 and current-limiting resistance R5 connect the input of chip for driving, the power end of the described luminescence unit of output termination of described chip for driving.
6. intelligent dimming circuit as claimed in claim 5, it is characterized in that, described first switch element is triode Q1, the base stage of described triode Q1 is as the control end of first switch element, the collector electrode of described triode Q1 is as first end of first switch element, and the emitter of described triode Q1 is as second end of first switch element.
7. intelligent dimming circuit as claimed in claim 5, it is characterized in that, described second switch element is triode Q2, the base stage of described triode Q2 is as the control end of second switch element, the collector electrode of described triode Q2 is as first end of second switch element, and the emitter of described triode Q2 is as second end of second switch element.
8. intelligent dimming circuit as claimed in claim 5, it is characterized in that, described the 3rd switch element is triode Q3, the base stage of described triode Q3 is as the control end of the 3rd switch element, the collector electrode of described triode Q3 is as first end of the 3rd switch element, and the emitter of described triode Q3 is as second end of the 3rd switch element.
9. intelligent dimming circuit as claimed in claim 5, it is characterized in that, described the 4th switch element is triode Q4, the base stage of described triode Q4 is as the control end of the 4th switch element, the collector electrode of described triode Q4 is as first end of the 4th switch element, and the emitter of described triode Q4 is as second end of the 4th switch element.
10. intelligent dimming circuit as claimed in claim 1 is characterized in that, described luminescence unit is a LED lamp group.
11. a light fixture is characterized in that, described light fixture comprises each described intelligent dimming circuit as claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201961747U CN201708992U (en) | 2010-05-18 | 2010-05-18 | Intelligent dimming circuit and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201961747U CN201708992U (en) | 2010-05-18 | 2010-05-18 | Intelligent dimming circuit and lamp |
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| Publication Number | Publication Date |
|---|---|
| CN201708992U true CN201708992U (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201961747U Expired - Fee Related CN201708992U (en) | 2010-05-18 | 2010-05-18 | Intelligent dimming circuit and lamp |
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| CN (1) | CN201708992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355152A (en) * | 2014-08-18 | 2016-02-24 | 黄鑫富 | Anti-dazzling intelligent dimming triangular warning board |
-
2010
- 2010-05-18 CN CN2010201961747U patent/CN201708992U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355152A (en) * | 2014-08-18 | 2016-02-24 | 黄鑫富 | Anti-dazzling intelligent dimming triangular warning board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN YOUNG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XIAO XIANQUAN Effective date: 20110318 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 ROOM 2009, WEST TOWER, SHENGTANG BUILDING, TAIRAN ROAD 9, FUTIAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518000 3/F, BUILDING 3, PENGTENGDA INDUSTRIAL PARK, HUARONG ROAD, DALANG SUBDISTRICT, BAOAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110318 Address after: Baoan District Dalang street, Shenzhen city in Guangdong province 518000 Huarong Road Peng Tengda Industrial Park 3 3 floor Patentee after: Shenzhen Young Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Futian District Tairan nine Road West Tang building room 2009 Patentee before: Xiao Xianquan |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20160518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |