CN106162988A - A kind of high-frequency drive low thermal resistance LED light source - Google Patents
A kind of high-frequency drive low thermal resistance LED light source Download PDFInfo
- Publication number
- CN106162988A CN106162988A CN201610518748.XA CN201610518748A CN106162988A CN 106162988 A CN106162988 A CN 106162988A CN 201610518748 A CN201610518748 A CN 201610518748A CN 106162988 A CN106162988 A CN 106162988A
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- input
- light source
- resistance
- frequency drive
- low thermal
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
nullThe invention discloses a kind of high-frequency drive low thermal resistance LED light source，Including microprocessing unit and DC voltage output end，The outfan electrical connection high frequency drive unit of described microprocessing unit and the input of high frequency voltage device，Described DC voltage output end is electrically connected inverter、First electric capacity and the input of the first resistance，The outfan of described first electric capacity and the first resistance all electrically connects the input of rectification circuit，The outfan of described rectification circuit is electrically connected the second electric capacity and the input of the second resistance，The outfan of this second electric capacity and the second resistance all electrically connects the input of three resistance，This high-frequency drive low thermal resistance LED light source is by arranging current regulator diode，When DC source wide fluctuations，Drive circuit still keeps constant electric current to export，Ensure that the stability of LED light source，Load will not be should be short-circuited phenomenon，This high-frequency drive low thermal resistance LED circuit of light sources is stable，Energy-efficient，Easy to use.
Description
Technical field
The present invention relates to electronic technology field, be specially a kind of high-frequency drive low thermal resistance LED light source.
Background technology
In lighting technical field, there is due to LED the advantages such as high, energy-conservation, the life-span length of luminous efficiency, and be widely used in
On various lightings, owing to LED could must normally start and work under appropriate electric current and voltage, LED it is generally required to
Could be connected civil power after driving power supply supporting, LED drive power is that power supply supply is converted to specific voltage x current to drive
Dynamic electric pressure converter luminous for LED.But existing driving power supply is usually external device, have impact on the attractive in appearance of light fixture and account for simultaneously
With space；It addition, existing driving power supply typically carrys out constant output current by resistance, circuit design comparison is loaded down with trivial details, constant current
Constant voltage effect is poor, and load capacity is relatively low, have impact on brightness and the stability of photoluminescence of LED, makes the light-emitting flash frequency of LED lamp
Height, is unfavorable for the control of LED lamp production cost, is unfavorable for improving the competitiveness of product simultaneously.
Summary of the invention
It is an object of the invention to provide a kind of high-frequency drive low thermal resistance LED light source, to solve above-mentioned background technology carries
The problem gone out.
For achieving the above object, the present invention provides following technical scheme: a kind of high-frequency drive low thermal resistance LED light source, including
Microprocessing unit and DC voltage output end, the outfan electrical connection high frequency drive unit of described microprocessing unit and high frequency voltage
The input of device, described DC voltage output end is electrically connected inverter, the first electric capacity and the input of the first resistance,
The outfan of described first electric capacity and the first resistance all electrically connects the input of rectification circuit, and the outfan of described rectification circuit divides
Not electrically connecting the second electric capacity and the input of the second resistance, the outfan of this second electric capacity and the second resistance all electrically connects three resistance
Input, it is permanent that the outfan of described 3rd resistance is electrically connected the first current regulator diode, the second current regulator diode and the 3rd
Stream diode, the outfan of the input electrical connection pulse control unit of described inverter, described pulse control unit defeated
Go out end and also electrically connect the input of high-frequency transformation device.
Preferably, described rectification circuit is bridge rectifier.
Preferably, it is electrically connected with pulse-width controlled between input and the outfan of pulse control unit of described inverter
Module.
Preferably, described inverter includes inverter circuit module and inverse changing driving circuit module.
Preferably, described high-frequency transformation device includes high frequency transformer module and secondary commutation circuit module.
Preferably, described rectification circuit includes current stabilization module.
Preferably, described current regulator diode can enter according to the monomer of current regulator diode composition required under different condition
Row expands.
Compared with prior art, the invention has the beneficial effects as follows: this high-frequency drive low thermal resistance LED light source is by arranging constant current
Diode, when DC source wide fluctuations, drive circuit still keeps constant electric current to export, it is ensured that LED light source steady
Qualitative, load will not be should be and be short-circuited phenomenon, by arranging the pulse power of low-voltage high-power, make light source be easier to realize
Light modulation, it is to avoid the generation of LED chroma offset phenomenon, by arranging high frequency drive unit, simplifies the radiating module of LED,
This high-frequency drive low thermal resistance LED circuit of light sources is stable, energy-efficient, easy to use.
Accompanying drawing explanation
Fig. 1 is present system schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme: a kind of high-frequency drive low thermal resistance LED light source, including micro-process
Unit and DC voltage output end, the outfan electrical connection high frequency drive unit of described microprocessing unit and high frequency voltage device
Input, by arranging high frequency drive unit, simplifies the radiating module of LED, and described DC voltage output end is electrically connected respectively
Connecing inverter, the first electric capacity and the input of the first resistance, inverter includes inverter circuit module and inverse changing driving circuit
Module, the outfan of described first electric capacity and the first resistance all electrically connects the input of rectification circuit, and rectification circuit includes current stabilization
Module, rectification circuit is bridge rectifier, and the outfan of described rectification circuit is electrically connected the second electric capacity and the second resistance
Input, the outfan of this second electric capacity and the second resistance all electrically connects the input of three resistance, described 3rd resistance defeated
Go out end and be electrically connected the first current regulator diode, the second current regulator diode and the 3rd current regulator diode, by arranging constant current two pole
Pipe, when DC source wide fluctuations, drive circuit still keeps constant electric current to export, it is ensured that the stability of LED light source,
Load will not be should be short-circuited phenomenon, and current regulator diode can be according to current regulator diode composition required under different condition
Monomer expand, the outfan of the input of described inverter electrical connection pulse control unit, the input of inverter
It is electrically connected with pulse-width controlled module, by arranging the pulse electricity of low-voltage high-power between end and the outfan of pulse control unit
Source, makes light source be easier to realize light modulation, it is to avoid the generation of LED chroma offset phenomenon, the outfan of described pulse control unit
Also electrically connecting the input of high-frequency transformation device, high-frequency transformation device includes high frequency transformer module and secondary commutation circuit mould
Block, this high-frequency drive low thermal resistance LED circuit of light sources is stable, energy-efficient, easy to use.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (7)
1. a high-frequency drive low thermal resistance LED light source, including microprocessing unit and DC voltage output end, described microprocessing unit
Outfan electrical connection high frequency drive unit and the input of high frequency voltage device, it is characterised in that: described direct voltage output
End is electrically connected inverter, the first electric capacity and the input of the first resistance, described first electric capacity and the output of the first resistance
End all electrically connects the input of rectification circuit, and the outfan of described rectification circuit is electrically connected the second electric capacity and the second resistance
Input, the outfan of this second electric capacity and the second resistance all electrically connects the input of three resistance, the output of described 3rd resistance
End is electrically connected the first current regulator diode, the second current regulator diode and the 3rd current regulator diode, the input of described inverter
The outfan of end electrical connection pulse control unit, the outfan of described pulse control unit also electrically connects the defeated of high-frequency transformation device
Enter end.
A kind of high-frequency drive low thermal resistance LED light source the most according to claim 1, it is characterised in that: described rectification circuit is
Bridge rectifier.
A kind of high-frequency drive low thermal resistance LED light source the most according to claim 1, it is characterised in that: described inverter
Pulse-width controlled module it is electrically connected with between input and the outfan of pulse control unit.
A kind of high-frequency drive low thermal resistance LED light source the most according to claim 1, it is characterised in that: described inverter bag
Include inverter circuit module and inverse changing driving circuit module.
A kind of high-frequency drive low thermal resistance LED light source the most according to claim 1, it is characterised in that: described high frequency transformation fills
Put and include high frequency transformer module and secondary commutation circuit module.
A kind of high-frequency drive low thermal resistance LED light source the most according to claim 1, it is characterised in that: described rectification circuit bag
Include current stabilization module.
A kind of high-frequency drive low thermal resistance LED light source the most according to claim 1, it is characterised in that: described current regulator diode
Can expand according to the monomer of current regulator diode composition required under different condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518748.XA CN106162988A (en) | 2016-06-29 | 2016-06-29 | A kind of high-frequency drive low thermal resistance LED light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518748.XA CN106162988A (en) | 2016-06-29 | 2016-06-29 | A kind of high-frequency drive low thermal resistance LED light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106162988A true CN106162988A (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610518748.XA Pending CN106162988A (en) | 2016-06-29 | 2016-06-29 | A kind of high-frequency drive low thermal resistance LED light source |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019148888A1 (en) * | 2018-01-30 | 2019-08-08 | 京东方科技集团股份有限公司 | Frequency modulation circuit, drive circuit and control method thereof, and lighting system |
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| CN203980198U (en) * | 2014-03-19 | 2014-12-03 | 翟渊培 | A kind of New-type fluorescent lamp |
| US20150016825A1 (en) * | 2013-07-10 | 2015-01-15 | Panasonic Corporation | Visible light communication device, lighting fixture including the same, and lighting system |
| CN204741589U (en) * | 2015-05-20 | 2015-11-04 | 苏州雄达顺新节能科技有限公司 | Energy -conserving street lamp ballast of LED |
| CN205249541U (en) * | 2015-12-30 | 2016-05-18 | 山东乾元泽孚科技股份有限公司 | Keep apart high power factor LED constant current lighting drive circuit entirely |
| CN105627112A (en) * | 2015-12-31 | 2016-06-01 | 浙江唯唯光电科技有限公司 | High-frequency-driven low-heat-resistance LED light source |
| CN205336595U (en) * | 2016-01-21 | 2016-06-22 | 佛山市中德光电特种照明有限公司 | LED high frequency drive circuit |
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2016
- 2016-06-29 CN CN201610518748.XA patent/CN106162988A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150016825A1 (en) * | 2013-07-10 | 2015-01-15 | Panasonic Corporation | Visible light communication device, lighting fixture including the same, and lighting system |
| CN203980198U (en) * | 2014-03-19 | 2014-12-03 | 翟渊培 | A kind of New-type fluorescent lamp |
| CN204741589U (en) * | 2015-05-20 | 2015-11-04 | 苏州雄达顺新节能科技有限公司 | Energy -conserving street lamp ballast of LED |
| CN205249541U (en) * | 2015-12-30 | 2016-05-18 | 山东乾元泽孚科技股份有限公司 | Keep apart high power factor LED constant current lighting drive circuit entirely |
| CN105627112A (en) * | 2015-12-31 | 2016-06-01 | 浙江唯唯光电科技有限公司 | High-frequency-driven low-heat-resistance LED light source |
| CN205336595U (en) * | 2016-01-21 | 2016-06-22 | 佛山市中德光电特种照明有限公司 | LED high frequency drive circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019148888A1 (en) * | 2018-01-30 | 2019-08-08 | 京东方科技集团股份有限公司 | Frequency modulation circuit, drive circuit and control method thereof, and lighting system |
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Application publication date: 20161123 |
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