CN205726552U - A kind of control circuit of the light fixture with multibeam optical system - Google Patents
A kind of control circuit of the light fixture with multibeam optical system Download PDFInfo
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- CN205726552U CN205726552U CN201620386648.1U CN201620386648U CN205726552U CN 205726552 U CN205726552 U CN 205726552U CN 201620386648 U CN201620386648 U CN 201620386648U CN 205726552 U CN205726552 U CN 205726552U
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- optical system
- chip microcomputer
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- current source
- switching device
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
This utility model relates to the control circuit of a kind of light fixture with multibeam optical system, including power supply VCC, single-chip microcomputer, DC DC constant-current source, several optical systems and switching device；Described single-chip microcomputer is connected with DC DC constant-current source and multiple switching device respectively, optical system is connected with switching device, the input pin of single-chip microcomputer is by switch K1 ground connection, single-chip microcomputer is circulated counting and carries out logical calculated the low and high level of input pin position, and output electric current and the job order of multiple switching device of DC DC constant-current source is controlled according to result of calculation, thus control illumination sequence and the luminous intensity of multiple optical system, it is finally reached the effect being switched fast and dimming of different optical system illumination.
Description
Technical field
This utility model relates to a kind of control circuit, the control circuit of a kind of light fixture with multibeam optical system.
Background technology
At present, the light fixture used in various places all uses and is provided only with a kind of optical system in the control circuit of single optical system, i.e. light fixture and is illuminated.Along with people are more and more higher to the requirement of lamp lighting, the light fixture with multibeam optical system increasingly receives publicity, and the control circuit of conventional lamp is after arranging multibeam optical system, the illumination of different optical systems cannot be carried out the most effectively switching, so that the illumination of light fixture is difficult to reach good effect.
Utility model content
Technical problem to be solved in the utility model is to overcome deficiency of the prior art, it is provided that a kind of can be to the control circuit of the light fixture with multibeam optical system that the illumination of different optical systems is switched fast.
For solving prior art problem, the technical solution adopted in the utility model is:
The control circuit of a kind of light fixture with multibeam optical system, including power supply VCC, single-chip microcomputer, DC-DC constant-current source, several optical systems and switching device；The power pins of single-chip microcomputer is connected with power supply VCC, the grounding pin ground connection of single-chip microcomputer, and the dim signal output pin of single-chip microcomputer is connected with the signaling interface of DC-DC constant-current source；The input of DC-DC constant-current source is connected with power supply VCC, and the outfan of DC-DC constant-current source is connected with several optical systems respectively, and the branch road of described each optical system is connected to switching device, and described single-chip microcomputer is used for controlling switching device opening and closing.
The control circuit of the described light fixture with multibeam optical system also includes switching K1, and the input pin of single-chip microcomputer is by switch K1 ground connection.
Further, described single-chip microcomputer includes:
Detection module, for detecting the level signal of the input pin of single-chip microcomputer；
Computing module, for the testing result according to detection module, is circulated counting to the low and high level of the input pin of single-chip microcomputer and carries out logical calculated；
Control module, controls output size of current and the job order of multiple switching device of DC-DC constant-current source for the result of calculation according to computing module.
Further, described optical system includes that LED group, LED group include the LED lamp bead of multiple series connection.
Further, number or the model of the LED lamp bead of different optical systems are different.
Compared with prior art, single-chip microcomputer of the present utility model is connected with DC-DC constant-current source, switching device respectively, the input pin of single-chip microcomputer is by switch K1 ground connection, single-chip microcomputer is circulated counting and carries out logical calculated the low and high level of input pin position, output electric current and the job order of multiple switching device of DC-DC constant-current source is finally controlled according to result of calculation, thus control illumination sequence and the luminous intensity of multiple optical system, and then reach the effect being switched fast and dimming of different optical system illumination.
Accompanying drawing explanation
Accompanying drawing 1 is the circuit diagram of this utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further explained explanation.Accompanying drawing being merely cited for property explanation, it is impossible to be interpreted as restriction of the present utility model；In order to the present embodiment is more preferably described, some parts of accompanying drawing have omission, zoom in or out；To those skilled in the art, in accompanying drawing, some known features and explanation thereof may will be understood by omission.
As it is shown in figure 1, the control circuit of a kind of light fixture with multibeam optical system, it is characterised in that include power supply VCC, single-chip microcomputer, DC-DC constant-current source, several optical systems and switching device；The power pins of single-chip microcomputer is connected with power supply VCC, the grounding pin ground connection of single-chip microcomputer, and the dim signal output pin of single-chip microcomputer is connected with the signaling interface of DC-DC constant-current source；The input of DC-DC constant-current source is connected with power supply VCC, and the outfan of DC-DC constant-current source is connected with several optical systems respectively, and the branch road of described each optical system is connected to switching device, and described single-chip microcomputer is used for controlling switching device opening and closing.
In the present embodiment, it is provided with two optical systems, respectively optical system M1 and optical system M2.Switching device described in the present embodiment is switch triode, is respectively equipped with switch triode K2 and switch triode K3.In other embodiments, switching device can be MOS, CMOS, transistor, controllable silicon, IGBT, relay etc..In control circuit, the outfan of DC-DC constant-current source is connected with the input of optical system M1 and the input of optical system M2 respectively；The outfan of optical system M1 is connected with the colelctor electrode of switch triode K2, and the base stage of switch triode K2 is connected with a control signal output pin of single-chip microcomputer, the grounded emitter of switch triode K2；The outfan of optical system M2 is connected with the colelctor electrode of switch triode K3, and the base stage of switch triode K3 is connected with another control signal output pin of single-chip microcomputer, the grounded emitter of switch triode K3.
The control circuit of the described light fixture with multibeam optical system also includes switching K1, and the input pin of single-chip microcomputer is by switch K1 ground connection.
Described single-chip microcomputer includes: detection module, for detecting the level signal of the input pin of single-chip microcomputer；
Computing module, for the testing result according to detection module, is circulated counting to the low and high level of the input pin of single-chip microcomputer and carries out logical calculated；Control module, controls output size of current and the job order of multiple switching device of DC-DC constant-current source for the result of calculation according to computing module.
Described optical system includes that LED group, LED group include the LED lamp bead of multiple series connection, and number or the model of the LED lamp bead of different optical systems are different.In the present embodiment, the LED lamp bead of optical system M1 is different from the number of the LED lamp bead of optical system M2 or model.
When this utility model uses, single-chip microcomputer controls the output size of current of DC-DC constant-current source and switch triode K2 and the turn-on sequence of switch triode K3 according to the level signal of its input pin, namely control optical system M1 and the input current size of optical system M2 and the priority job order of the two, also just realize controlling the intensity of illumination of optical system and being switched fast of different optical system illumination, thus realize effective control that the different optical systems to multibeam optical system light fixture are luminous.
Obviously, above-described embodiment of the present utility model is only for clearly demonstrating this utility model example, and is not the restriction to embodiment of the present utility model.Can also make other changes in different forms on the basis of the above description, here without also cannot all of embodiment be given exhaustive.All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in this utility model scope of the claims.
Claims (5)
1. the control circuit of a light fixture with multibeam optical system, it is characterised in that include power supply VCC, single-chip microcomputer, DC-DC constant-current source, several optical systems and switching device；The power pins of single-chip microcomputer is connected with power supply VCC, the grounding pin ground connection of single-chip microcomputer, and the dim signal output pin of single-chip microcomputer is connected with the signaling interface of DC-DC constant-current source；The input of DC-DC constant-current source is connected with power supply VCC, and the outfan of DC-DC constant-current source is connected with several optical systems respectively, and the branch road of described each optical system is connected to switching device, and described single-chip microcomputer is used for controlling switching device opening and closing.
The control circuit of the light fixture with multibeam optical system the most according to claim 1, it is characterised in that also including switching K1, the input pin of single-chip microcomputer is by switch K1 ground connection.
The control circuit of the light fixture with multibeam optical system the most according to claim 2, it is characterised in that described single-chip microcomputer includes:
Detection module, for detecting the level signal of the input pin of single-chip microcomputer；
Computing module, for the testing result according to detection module, is circulated counting to the low and high level of the input pin of single-chip microcomputer and carries out logical calculated；
Control module, controls output size of current and the job order of multiple switching device of DC-DC constant-current source for the result of calculation according to computing module.
4. according to the control circuit of the light fixture with multibeam optical system described in any one of claims 1 to 3, it is characterised in that described optical system includes that LED group, LED group include the LED lamp bead of multiple series connection.
The control circuit of the light fixture with multibeam optical system the most according to claim 4, it is characterised in that number or the model of the LED lamp bead of different optical systems are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386648.1U CN205726552U (en) | 2016-04-29 | 2016-04-29 | A kind of control circuit of the light fixture with multibeam optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620386648.1U CN205726552U (en) | 2016-04-29 | 2016-04-29 | A kind of control circuit of the light fixture with multibeam optical system |
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| Publication Number | Publication Date |
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| CN205726552U true CN205726552U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620386648.1U Active CN205726552U (en) | 2016-04-29 | 2016-04-29 | A kind of control circuit of the light fixture with multibeam optical system |
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| CN (1) | CN205726552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108337762A (en) * | 2017-01-20 | 2018-07-27 | 松下知识产权经营株式会社 | Control circuit and LED light device |
-
2016
- 2016-04-29 CN CN201620386648.1U patent/CN205726552U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108337762A (en) * | 2017-01-20 | 2018-07-27 | 松下知识产权经营株式会社 | Control circuit and LED light device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
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Address after: Xiangshan Road Development Zone in Guangzhou City, Guangdong province 510000 No. 2, No. 11 (self Kexiang 1 building 1-01 room) Patentee after: China Southern Power Grid comprehensive energy Co.,Ltd. Address before: 510000 YUENENG building, No.45 Tianhe Road, Yuexiu District, Guangzhou, Guangdong Province Patentee before: CHINA SOUTHERN POWER GRID COMPREHENSIVE ENERGY Co.,Ltd. |