CN104080229B - A kind of directional light drive circuit and light fixture - Google Patents
A kind of directional light drive circuit and light fixture Download PDFInfo
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- CN104080229B CN104080229B CN201310106730.5A CN201310106730A CN104080229B CN 104080229 B CN104080229 B CN 104080229B CN 201310106730 A CN201310106730 A CN 201310106730A CN 104080229 B CN104080229 B CN 104080229B
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- led
- directional light
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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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 invention discloses a kind of directional light drive circuit, be applied in light fixture and drive directional light display luminous, directional light drive circuit comprises supply module, first switch module and control module, directional light comprises the first different LED of color and the second LED, supply module link control module, to provide voltage starting control module, first switch module link control module, control module also connects first respectively, second LED, when the first switch module repeatedly triggering and conducting time, what control module output was different controls signal to first, second LED, thus control first, the luminance of the second LED, and then drive directional light display luminous.This orientation lamp drive circuit and light fixture, circuit structure is simple, affects circuit deadline factor less, and stability is better, and Costco Wholesale is lower.Solve traditional directional light drive circuit and fitting structure complexity, the life-span is short, the problem that price is high.Separately, a kind of light fixture is also disclosed.
Description
Technical field
The present invention relates to lighting field, particularly relate to a kind of directional light drive circuit and light fixture.
Background technology
At present, directional light is generally applied to the special occasions such as metallurgy, railway, oil field, petrochemical industry, plays warning, signal and display orientation effect.Current directional light drive circuit and the discrete components and parts of the many employings of light fixture, circuit structure is complicated, and poor stability, price is high.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of directional light drive circuit and light fixture, and the circuit structure of described directional light drive circuit and light fixture is simple, and long service life is cheap.
In order to solve the problems of the technologies described above, The embodiment provides a kind of directional light drive circuit, be applied in light fixture and drive the display of described directional light luminous, described directional light drive circuit comprises supply module, first switch module and control module, described directional light comprises the first different LED of color and the second LED, described supply module connects described control module, to provide control module described in voltage starting, described first switch module connects described control module, described control module also connects described first respectively, second LED, when described first switch module repeatedly triggering and conducting time, what described control module output was different controls signal to described first, second LED, thus control described first, the luminance of the second LED, and then it is luminous to drive described directional light to show.
Wherein, when described first switch module first time conducting, described control module exports the contrary low and high level signal of phase place respectively to first, second LED described, makes first, second LED described replace flashing; When described first switch module second time conducting, described control module exports the identical low and high level signal of phase place respectively to first, second LED described, makes first, second LED described flashing simultaneously; When described first switch module third time conducting, the high level signal of described control module difference stable output, to first, second LED described, makes first, second LED Chang Liang described; When described first switch module the 4th conducting, the low level signal of described control module difference stable output, to first, second LED described, makes first, second LED described extinguish; Four kinds of luminances of first, second LED described are a circulation, when described first switch module again conducting time, first, second LED described replaces flashing, starts next circulation.
Wherein, described control module comprises single-chip microcomputer, described single-chip microcomputer comprises feeder ear, test side, the first output, the second output and ground, described feeder ear is connected to described supply module, described test side is connected to described first switch module, described first output is connected to described first LED, and described second output is connected to described second LED, described earth terminal ground connection.
Wherein, described directional light drive circuit also comprises second switch module and the 3rd switch module, first output of described single-chip microcomputer is through described second switch model calling to described first LED, and the second output of described single-chip microcomputer is connected to described second LED through described 3rd switch module.
Wherein, when the first output of described single-chip microcomputer exports high level signal, the conducting of described second switch module, described first LED is bright; When the first output output low level signal of described single-chip microcomputer, described second switch module cut-off, described first LED is extinguished; When the second output of described single-chip microcomputer exports high level signal, described 3rd switch module conducting, described second LED is bright; When the second output output low level signal of described single-chip microcomputer, described 3rd switch module cut-off, described second LED is extinguished.
Wherein, described second switch module is the first NPN type triode, and described 3rd switch module is the second NPN type triode; First output of described single-chip microcomputer is connected to the base stage of described first NPN type triode, the grounded emitter of described first NPN type triode, and the collector electrode of described first NPN type triode is connected to described first LED; Second output of described single-chip microcomputer is connected to the base stage of described second NPN type triode, the grounded emitter of described second NPN type triode, and the collector electrode of described second NPN type triode is connected to described second LED.
Wherein, described directional light drive circuit also comprises the first resistance, described supply module comprises direct voltage source, the positive pole of described direct voltage source is connected to the feeder ear of described single-chip microcomputer, the positive pole of described direct voltage source is also connected to the test side of described single-chip microcomputer, the minus earth of described direct voltage source through described first resistance.
Wherein, the positive pole of described direct voltage source is also connected to the positive pole of described first LED, and the negative pole of described first LED is connected to the collector electrode of described first NPN type triode; The positive pole of described direct voltage source is also connected to the positive pole of described second LED, and the negative pole of described second LED is connected to the collector electrode of described second NPN type triode.
Wherein, described first switch module comprises touch-switch, and the first end of described touch-switch is connected to the test side of described single-chip microcomputer, the second end ground connection of described touch-switch.
Separately, embodiments of the invention additionally provide a kind of light fixture, comprise directional light and above-mentioned directional light drive circuit, and it is luminous that described directional light drive circuit drives described directional light to show.
The described directional light drive circuit that the embodiment of the present invention provides and light fixture, through adopting described direct voltage source, described touch-switch and described single-chip microcomputer, reach and control the described first LED luminance different with the second LED, realize the multidisplay object of described directional light.Described directional light drive circuit and light fixture, circuit structure is simple, affects circuit deadline factor less, and stability is better, and Costco Wholesale is lower.Solve traditional directional light drive circuit and fitting structure complexity, the life-span is short, the problem that price is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the module diagram of the light fixture that the embodiment of the present invention provides;
Fig. 2 is the physical circuit figure of the control module that provides of the embodiment of the present invention and the first switch module;
Fig. 3 is the physical circuit figure of the first LED of providing of the embodiment of the present invention and second switch module;
Fig. 4 is the physical circuit figure of the second LED of providing of the embodiment of the present invention and the 3rd switch module;
Fig. 5 is the physical circuit figure of the supply module that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention provides a kind of light fixture 100, comprises directional light 10 and described directional light drive circuit 20, and described directional light drive circuit 20 drives described directional light 10 to show luminescence.
See Fig. 1, it is the module diagram of light fixture 100 described in the embodiment of the present invention.Described directional light drive circuit 20 comprises supply module 21, first switch module 22 and control module 23.Described directional light 10 comprises the first different LED 11 and the second LED 12 of color.Described supply module 21 connects described control module 23, to provide control module 23 described in voltage starting.Described first switch module 22 connects described control module 23, and described control module 23 also connects described first LED 11 and the second LED 12 respectively.When described first switch module more than 22 triggering and conducting, described control module 23 exports and different controls signal to described first LED 11 and the second LED 12, thus control the luminance of described first LED 11, second LED 12, and then described directional light 10 is driven to show luminescence.
In embodiment of the present invention, when described first switch module 22 first time conducting, described control module 23 exports the contrary low and high level signal of phase place to described first LED 11, second LED 12 respectively according to its inside setting program, makes described first LED 11, second LED 12 replace flashing; When described first switch module 22 second time conducting, described control module 23 exports the identical low and high level signal of phase place to described first LED 11, second LED 12 respectively according to its inside setting program, makes described first LED 11, second LED 12 flashing simultaneously; When described first switch module 22 third time conducting, described control module 23 to described first LED 11, second LED 12, makes described first LED 11, second LED 12 Chang Liang according to the high level signal of its inside setting program difference stable output; When described first switch module 22 the 4th conducting, described control module 23 to described first LED 11, second LED 12, makes described first LED 11, second LED 12 extinguish according to the low level signal of its inside setting program difference stable output; Above-mentioned four kinds of luminances of described first LED 11, second LED 12 are a circulation, when described first switch module 22 again conducting time, described first LED 11, second LED 12 replaces flashing, starts next circulation.
The described directional light drive circuit 20 that the embodiment of the present invention provides and light fixture 100, circuit structure is simple, and affect circuit deadline factor less, stability is better.Solve traditional directional light drive circuit 20 and light fixture 100 complex structure, the life-span is short, the problem that price is high.
Concrete, see Fig. 2, described control module 23 comprises single-chip microcomputer U1, and described single-chip microcomputer U1 comprises feeder ear 8, test side 5, first output 2, second output 3 and earth terminal 4.Described feeder ear 8 is connected to described supply module 21.Described test side 5 is connected to described first switch module 22.Described first output 2 is connected to described first LED 11.Described second output 3 is connected to described second LED 12.Described earth terminal 4 ground connection.The model of described single-chip microcomputer U1 is ATTINY13, for the low level signal detected according to described test side 5, arrange with the internal processes of described single-chip microcomputer U1, export different control signals at described first output 2 and described second output 3, make described first LED 11 and described second LED 12 with the luminescence of different show states.
See Fig. 3 and Fig. 4, described directional light drive circuit 20 also comprises second switch module 24 and the 3rd switch module 25.
First output 2 of described single-chip microcomputer U1 is connected to described first LED 11 through described second switch module 24.When first output 2 of described single-chip microcomputer U1 exports high level signal, the conducting of described second switch module 24, described first LED 11 is bright; When the first output 2 output low level signal of described single-chip microcomputer U1, described second switch module 24 is ended, and described first LED 11 is extinguished.In embodiment of the present invention, described second switch module 24 is the first NPN type triode Q1, first output 2 of described single-chip microcomputer U1 is connected to the base stage of described first NPN type triode Q1, the grounded emitter of described first NPN type triode Q1, the collector electrode of described first NPN type triode Q1 is connected to described first LED 11.First output 2 of described single-chip microcomputer U1 also can be connected to the base stage of described first NPN type triode Q1 through the second resistance R2, with current limliting.In other embodiments, described second switch module 24 also can be PNP type triode or field effect transistor.
Second output 3 of described single-chip microcomputer U1 is connected to described second LED 12 through described 3rd switch module 25.When second output 3 of described single-chip microcomputer U1 exports high level signal, described 3rd switch module 25 conducting, described second LED 12 is bright; When the second output 3 output low level signal of described single-chip microcomputer U1, described 3rd switch module 25 ends, and described second LED 11 is extinguished.In embodiment of the present invention, described 3rd switch module 25 is the second NPN type triode Q2, second output 3 of described single-chip microcomputer U1 is connected to the base stage of described second NPN type triode Q2, the grounded emitter of described second NPN type triode Q2, the collector electrode of described second NPN type triode Q2 is connected to described second LED 12.Second output 3 of described single-chip microcomputer U1 is connected to described second NPN type triode Q2, with current limliting through the 3rd resistance R3.In other embodiments, described second switch module 25 also can be PNP type triode or field effect transistor.
Comprehensive see Fig. 2 ~ 5, described directional light drive circuit 20 also comprises the first resistance R1, described supply module 21 comprises direct voltage source BT, and the positive pole VCC of described direct voltage source BT is connected to the feeder ear 8 of described single-chip microcomputer U1, works to start described single-chip microcomputer U1.In present embodiment, the feeder ear 8 of described single-chip microcomputer U1 is also connected to the positive pole of described filter capacitor C1, the minus earth of described filter capacitor C1, with to described direct voltage source BT filtering.
The positive pole VCC of described direct voltage source BT is also connected to the test side 5 of described single-chip microcomputer U1 through described first resistance R1, to make when loading onto described direct voltage source BT to described directional light drive circuit 20, the test side 5 of described single-chip microcomputer U1 detects high level signal, makes described single-chip microcomputer U1 be in resting state.Until described first switch module 22 conducting, the test side 5 of described single-chip microcomputer U1 detects low level signal, starts described single-chip microcomputer U1 and exports different low and high level signals to described first LED 11 and described second LED 12.The minus earth of described direct voltage source BT.
In order to control the luminance of described first LED 11 and described second LED 12, the positive pole VCC of described direct voltage source BT is also connected to the positive pole of described first LED 11, and the negative pole of described first LED 11 is connected to the collector electrode of described first NPN type triode Q1; The positive pole VCC of described direct voltage source BT is also connected to the positive pole of described second LED 12, and the negative pole of described second LED 12 is connected to the collector electrode of described second NPN type triode Q2.In order to avoid described first LED 11 and described second LED 12 are burnt, the positive pole VCC of described direct voltage source BT is connected to the positive pole of described first LED 11 through the 4th resistance R4, the positive pole VCC of described direct voltage source BT is connected to the positive pole of described second LED 12 through the 5th resistance R5.
Refer again to Fig. 2, described first switch module 22 comprises touch-switch S1, and the first end of described touch-switch S1 is connected to the test side 5 of described single-chip microcomputer U1, the second end ground connection of described touch-switch S1.In order to reach the object of touch-switch S1 described in current-limiting protection and described single-chip microcomputer U1, the first end of described touch-switch S1 is connected to the test side 5 of described single-chip microcomputer U1 through the 6th resistance R6.
Separately, in embodiment of the present invention, described directional light 10 comprises the first red LED 11, and the second LED 12 of blueness.Described first LED 11 and described second LED 12 all can be arranged in parallel multiple LED, with the brightness requirement of directional light 10 described in realistic application.
To sum up, the described directional light drive circuit 20 that the embodiment of the present invention provides and light fixture 100, through adopting described direct voltage source BT, described touch-switch S1 and described single-chip microcomputer U1, reach and control described first LED 11 luminance different with the second LED 12, realize the multidisplay object of described directional light 10.Described directional light drive circuit 20 and light fixture 100, circuit structure is simple, affects circuit deadline factor less, and stability is better, and Costco Wholesale is lower.Solve traditional directional light drive circuit 20 and light fixture 100 complex structure, the life-span is short, the problem that price is high.
Above-described execution mode, does not form the restriction to this technical scheme protection range.The amendment done within any spirit at above-mentioned execution mode and principle, equivalently to replace and improvement etc., within the protection range that all should be included in this technical scheme.
Claims (8)
1. a directional light drive circuit, be applied in light fixture and drive the display of described directional light luminous, it is characterized in that, described directional light drive circuit comprises supply module, first switch module and control module, described directional light comprises the first different LED of color and the second LED, described supply module connects described control module, to provide control module described in voltage starting, described first switch module connects described control module, described control module also connects described first respectively, second LED, when described first switch module repeatedly triggering and conducting time, what described control module output was different controls signal to described first, second LED, thus control described first, the luminance of the second LED, and then it is luminous to drive described directional light to show,
When described first switch module first time conducting, described control module exports the contrary low and high level signal of phase place respectively to first, second LED described, makes first, second LED described replace flashing; When described first switch module second time conducting, described control module exports the identical low and high level signal of phase place respectively to first, second LED described, makes first, second LED described flashing simultaneously; When described first switch module third time conducting, the high level signal of described control module difference stable output, to first, second LED described, makes first, second LED Chang Liang described; When described first switch module the 4th conducting, the low level signal of described control module difference stable output, to first, second LED described, makes first, second LED described extinguish; Four kinds of luminances of first, second LED described are a circulation, when described first switch module again conducting time, first, second LED described replaces flashing, starts next circulation.
2. a kind of directional light drive circuit as claimed in claim 1, it is characterized in that, described control module comprises single-chip microcomputer, described single-chip microcomputer comprises feeder ear, test side, the first output, the second output and ground, described feeder ear is connected to described supply module, and described test side is connected to described first switch module, and described first output is connected to described first LED, described second output is connected to described second LED, described earth terminal ground connection.
3. a kind of directional light drive circuit as claimed in claim 2, it is characterized in that, described directional light drive circuit also comprises second switch module and the 3rd switch module, first output of described single-chip microcomputer is through described second switch model calling to described first LED, and the second output of described single-chip microcomputer is connected to described second LED through described 3rd switch module.
4. a kind of directional light drive circuit as claimed in claim 3, is characterized in that, when the first output of described single-chip microcomputer exports high level signal, and the conducting of described second switch module, described first LED is bright; When the first output output low level signal of described single-chip microcomputer, described second switch module cut-off, described first LED is extinguished; When the second output of described single-chip microcomputer exports high level signal, described 3rd switch module conducting, described second LED is bright; When the second output output low level signal of described single-chip microcomputer, described 3rd switch module cut-off, described second LED is extinguished.
5. a kind of directional light drive circuit as claimed in claim 4, is characterized in that, described second switch module is the first NPN type triode, and described 3rd switch module is the second NPN type triode; First output of described single-chip microcomputer is connected to the base stage of described first NPN type triode, the grounded emitter of described first NPN type triode, and the collector electrode of described first NPN type triode is connected to described first LED; Second output of described single-chip microcomputer is connected to the base stage of described second NPN type triode, the grounded emitter of described second NPN type triode, and the collector electrode of described second NPN type triode is connected to described second LED.
6. a kind of directional light drive circuit as claimed in claim 5, it is characterized in that, described directional light drive circuit also comprises the first resistance, described supply module comprises direct voltage source, the positive pole of described direct voltage source is connected to the feeder ear of described single-chip microcomputer, the positive pole of described direct voltage source is also connected to the test side of described single-chip microcomputer, the minus earth of described direct voltage source through described first resistance.
7. a kind of directional light drive circuit as claimed in claim 6, is characterized in that, the positive pole of described direct voltage source is also connected to the positive pole of described first LED, and the negative pole of described first LED is connected to the collector electrode of described first NPN type triode; The positive pole of described direct voltage source is also connected to the positive pole of described second LED, and the negative pole of described second LED is connected to the collector electrode of described second NPN type triode.
8. a kind of directional light drive circuit as claimed in claim 7, is characterized in that, described first switch module comprises touch-switch, and the first end of described touch-switch is connected to the test side of described single-chip microcomputer, the second end ground connection of described touch-switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310106730.5A CN104080229B (en) | 2013-03-29 | 2013-03-29 | A kind of directional light drive circuit and light fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310106730.5A CN104080229B (en) | 2013-03-29 | 2013-03-29 | A kind of directional light drive circuit and light fixture |
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| Publication Number | Publication Date |
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| CN104080229A CN104080229A (en) | 2014-10-01 |
| CN104080229B true CN104080229B (en) | 2016-04-20 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718408A (en) * | 2009-10-30 | 2010-06-02 | 海洋王照明科技股份有限公司 | Airport pavement warning device |
| CN102065606A (en) * | 2010-10-30 | 2011-05-18 | 深圳市创益科技发展有限公司 | Controller and solar lamp comprising same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5214585B2 (en) * | 2009-12-25 | 2013-06-19 | シャープ株式会社 | LED drive circuit, phase control dimmer, LED illumination lamp, LED illumination device, and LED illumination system |
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2013
- 2013-03-29 CN CN201310106730.5A patent/CN104080229B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101718408A (en) * | 2009-10-30 | 2010-06-02 | 海洋王照明科技股份有限公司 | Airport pavement warning device |
| CN102065606A (en) * | 2010-10-30 | 2011-05-18 | 深圳市创益科技发展有限公司 | Controller and solar lamp comprising same |
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| CN104080229A (en) | 2014-10-01 |
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