CN109275237A - A kind of color temperature-tunable LED circuit of tunable optical - Google Patents
A kind of color temperature-tunable LED circuit of tunable optical Download PDFInfo
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- CN109275237A CN109275237A CN201811427861.2A CN201811427861A CN109275237A CN 109275237 A CN109275237 A CN 109275237A CN 201811427861 A CN201811427861 A CN 201811427861A CN 109275237 A CN109275237 A CN 109275237A
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Classifications
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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]
- H05B45/10—Controlling the intensity of the light
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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]
- H05B45/20—Controlling the colour of the 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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Abstract
The present invention discloses a kind of color temperature-tunable LED circuit of tunable optical, comprising: a gating switch, gating switch include at least five gears, to adjust the colour temperature of a LED light；The input terminal of one power supply driver, power supply driver is connect with power grid, and the first output end of power supply driver is connect with gating switch, and the second output terminal of power supply driver and the anode of LED light connect；Power supply driver is for providing stable voltage to LED light；LED light includes at least one first LED light group and one second LED light group, and the first LED light group is in parallel with the second LED light group.Beneficial effect is: providing a kind of color temperature-tunable LED circuit of tunable optical, the colour temperature of LED light is adjusted by gating switch, to realize the switching of LED light multiple color temperatures, both user had been can satisfy to the needs of multiple color temperatures, it will not cause the waste of resource, and structure is simple, is conducive to realize, can save production cost.
Description
Technical field
The present invention relates to LED light manufacturing technology field more particularly to a kind of color temperature-tunable LED circuits of tunable optical.
Background technique
LED light is the Novel energy-saving lamp for substituting conventional incandescent.Conventional incandescent energy consumption is high, the service life is short, provides in the whole world
Under the overall situation of source anxiety, forbidden producing by national governments gradually, as the high speed development LED light of LED technology is increasingly becoming
Novel green illumination only choosing, LED light principle of luminosity, energy-saving and environmental protection level on all be far superior to traditional lighting produce
Product.
The LED lamp of existing controllable silicon light modulation be generally divided into it is non-functional illumination and it is functional (switch color-temperature regulating,
Wifi, bluetooth etc. control) illumination.But the higher cost of the illumination of functional type, because being applied to single-chip microcontroller,
Higher to the operating temperature requirements of LED light, if the temperature of LED light is excessively high, single-chip microcontroller is likely to occur program mal.Therefore existing to compel
It is essential and wants a kind of color temperature-tunable LED circuit of tunable optical, to realize that a LED light carries out the switching of multiple color temperatures, meanwhile, it will not
Influence silicon-controlled dimming function.
Summary of the invention
For the above-mentioned problems in the prior art, a kind of color temperature-tunable LED circuit of tunable optical is now provided.
Specific technical solution is as follows:
The present invention includes a kind of color temperature-tunable LED circuit of tunable optical, comprising:
One gating switch, the gating switch include at least five gears, to adjust the colour temperature of a LED light；
The input terminal of one power supply driver, the power supply driver is connect with power grid, and the first of the power supply driver is defeated
Outlet is connect with the gating switch, and the second output terminal of the power supply driver is connect with the anode of the LED light；The electricity
Source drive is for providing stable voltage to the LED light；
The LED light includes at least one first LED light group and one second LED light group, first LED light group and described the
Two LED light groups are in parallel；
First output end of the power supply driver respectively with the 4th pin of the gating switch and the gating switch
The 9th pin connection；
The cathode of first LED light group respectively with the second pin of the gating switch, the gating switch the 6th
The tenth pin company of pin, the 7th pin of the gating switch, the 8th pin of the gating switch, the gating switch
It connects；
The cathode of second LED light group third with the first pin of the gating switch, the gating switch respectively
Pin connection, the 5th pin of the gating switch, the 11st pin of the gating switch, the gating switch the 12nd
Pin connection.
Preferably, the LED circuit further includes at least three current limliting modules, and three current limliting modules include:
First current limliting module is connected between the cathode of first LED light group and the second pin of the gating switch,
Operating current of the first current limliting module to control first LED light group；
Second current limliting module is connected between the cathode of second LED light group and the third pin of the gating switch,
Operating current of the second current limliting module to control second LED light group；
Third current limliting module is connected between the cathode of second LED light group and the 5th pin of the gating switch,
Operating current of the third current limliting module to control second LED light group.
Preferably, when the gating switch is in one first control gear, the first pin of the gating switch, the choosing
Open up the 4th pin, the gating of the 11st pin of pass, the 12nd pin of the gating switch and the gating switch
9th pin of switch is connected, and second LED light group accesses operating circuit.
Preferably, when the gating switch is in one second control gear, the first pin of the gating switch, the choosing
The 9th pin for opening up the 11st pin of pass, the 12nd pin of the gating switch and the gating switch is connected, described
Second LED light group accesses operating circuit；
Meanwhile the 4th pin of the second pin of the gating switch and the gating switch is connected, first current limliting
Module and first LED light group access operating circuit.
Preferably, the gating switch be in a third control gear when, the 9th pin of the gating switch with it is described
Tenth pin of gating switch is connected, and first LED light group accesses operating circuit；
Meanwhile the 4th pin of the third pin of the gating switch and the gating switch is connected, second current limliting
Module and second LED light group access operating circuit.
Preferably, when the gating switch is in one the 4th control gear, the 6th pin of gating switch, the gating are opened
8th pin of the 7th pin, the gating switch that close and the 9th pin of the gating switch are connected, first LED light
Group access operating circuit；
Meanwhile the 5th pin of the 4th pin of the gating switch and the gating switch is connected, the third current limliting
Module and second LED light group access operating circuit.
Preferably, when the gating switch is in one the 5th control gear, the 6th pin of gating switch, the gating are opened
The of the 8th pin and the 4th pin of the gating switch of the 7th pin, the gating switch that close, the gating switch
Nine pins are connected, and first LED light group accesses operating circuit.
Preferably, each current limliting module includes two resistor coupled in parallel.
Preferably, first LED light group includes at least two the first colour temperature lamp groups, at least two first color temperature lamps
Group is connected in parallel.
Preferably, second LED light group includes at least two the second colour temperature lamp groups, at least two second color temperature lamps
Group is connected in parallel.
The beneficial effect of technical solution of the present invention is: providing a kind of color temperature-tunable LED circuit of tunable optical, passes through gating
The colour temperature of switch-mode regulation LED light both can satisfy user to the needs of multiple color temperatures to realize the switching of LED light multiple color temperatures,
The waste of resource will not be caused, and structure is simple, is conducive to realize, can save production cost.
Detailed description of the invention
With reference to appended attached drawing, more fully to describe the embodiment of the present invention.However, appended attached drawing be merely to illustrate and
It illustrates, and is not meant to limit the scope of the invention.
Fig. 1 is the power supply driver wiring diagram in the embodiment of the present invention；
Fig. 2 is the gating switch wiring diagram in the embodiment of the present invention；
Fig. 3 is the LED light wiring diagram in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
The present invention includes a kind of color temperature-tunable LED circuit of tunable optical, as shown in Figure 1, Figure 2 and Figure 3, comprising:
One gating switch S, gating switch S include at least five gears, to adjust the colour temperature of LED light；
The input terminal of one power supply driver, power supply driver is connect with power grid, the first output end LED- of power supply driver
It is connect with gating switch S, the positive LED+ connection of the second output terminal and LED light of power supply driver；Power supply driver is for giving
LED light provides stable voltage；
LED light includes at least one first LED light group W and one second LED light group C, the first LED light group W and the second LED light group
C is in parallel；
First output end of power supply driver the 9th pin with the 4th pin 4 and gating switch S of gating switch S respectively
9 connections；
The cathode W- of first LED light group respectively with the second pin 2 of gating switch S, gating switch S the 6th pin 6, choosing
Open up the tenth pin 10 connection for closing the 7th pin 7 of S, the 8th pin 8 of gating switch S, gating switch S；
The cathode C- of second LED light group connects with the third pin 3 of the first pin 1 of gating switch S, gating switch S respectively
It connects, the connection of the 12nd pin 12 of the 5th pin 5 of gating switch S, the 11st pin 11 of gating switch S, gating switch S.
Specifically, the first LED light group W or the second LED light are connected by the gear property of can choose of adjusting gating switch S
Group C simultaneously turns on the first LED light group W and the second LED light group C, each corresponding color of control gear of gating switch S
Temperature.
Specifically, power grid is divided into zero curve N and firewire L, and the input terminal of power supply driver includes a rectifier bridge, rectifier bridge it is defeated
Entering end to connect with zero curve N with firewire L respectively, the output end Z1 of rectifier bridge is connect with the input terminal U1 of a thyristor regulating optical chip U,
Rectifier bridge is used to be that stable DC supplies thyristor regulating optical chip U, thyristor regulating optical chip U by the AC rectification of power grid
Output end U2 for providing stable operating voltage to LED light, and can be by adjusting the output electricity of thyristor regulating optical chip U
It presses to adjust the brightness of LED light.
In a kind of preferably embodiment, LED circuit further includes at least three current limliting modules, at least three current limliting module packets
It includes:
First current limliting module is connected between the second pin 2 of cathode W- and gating switch S of the first LED light group, first
Operating current of the current limliting module to control the first LED light group W；
Second current limliting module is connected between the third pin 3 of cathode C- and gating switch S of the second LED light group, second
Operating current of the current limliting module to control the second LED light group C；
Third current limliting module is connected between the 5th pin 5 of cathode C- and gating switch S of the second LED light group, third
Operating current of the current limliting module to control the second LED light group C；
Each current limliting module includes two resistor coupled in parallel.
Specifically, as shown in Fig. 2, in the present embodiment the first current limliting module include first resistor R1 and second resistance R2 simultaneously
The resistance value of connection, first resistor R1 and second resistance R2 are 47 Ω；Second current limliting module includes 3rd resistor R3 and the 4th resistance R4
The resistance value of parallel connection, 3rd resistor R3 and the 4th resistance R4 are 30 Ω；Third current limliting module includes the 5th resistance R5 and the 6th resistance
R6 is in parallel, and the resistance value of the 5th resistance R5 and the 6th resistance R6 are 330 Ω.Resistance used in three current limliting modules is 1206 rule
Lattice.Current limliting module is used to adjust the colour temperature of LED light, especially by electric resistance partial pressure to realize that the operating current to LED light is controlled
System, therefore, the resistance value size of the resistance of current limliting module can be adjusted according to the demand to colour temperature.
Further, gating switch S combines three current limliting modules that can form other three kinds of different colour temperatures.The present embodiment
In only need the LED light group of two kinds of colour temperatures that the switchings of five kinds of colour temperatures can be realized, save the manufacturing cost of LED light.
In a kind of preferably embodiment, the first LED light group W includes at least two the first colour temperature lamp groups, two the first colors
Warm lamp group is connected in parallel；
Second LED light group C includes at least two the second colour temperature lamp groups, and two the second colour temperature lamp groups are connected in parallel.
Specifically, as shown in figure 3, W1 to W7 forms a first colour temperature lamp group, W8 to W14 forms another first color
Warm lamp group, two the first colour temperature lamp groups are parallel in circuit, are caused to prevent the failure of any one first colour temperature lamp group entire
The first equal cisco unity malfunction of LED light group W；C1 to C7 formed a second colour temperature lamp group, C8 to C14 formed another second
Colour temperature lamp group, two the second colour temperature lamp groups are parallel in circuit, to prevent the failure of any one second colour temperature lamp group from causing
The equal cisco unity malfunction of entire second LED light group C.
Further, by the way that the first LED light group W and the second LED light group C to be grouped, the failure of LED light can be reduced
Rate.
In a kind of preferably embodiment, the first colour temperature lamp group includes that a plurality of light emitting diodes are connected in series；
Second colour temperature lamp group includes that a plurality of light emitting diodes are connected in series.
Specifically, each first colour temperature lamp group includes that the light emitting diode that multiple colour temperatures are 2700K is connected, each the
Two colour temperature lamp groups include that the light emitting diode that multiple colour temperatures are 5000K is connected.
In a kind of preferably embodiment, when gating switch S is in one first control gear, the first of gating switch S is drawn
Foot 1, the 11st pin 11 of gating switch S, the 4th pin 4 of the 12nd pin 12 and gating switch S of gating switch S, choosing
The 9th pin 9 connection for closing S is opened up, the second LED light group C accesses operating circuit；
When gating switch S is in one second control gear, the 11st of the first pin 1 of gating switch S, gating switch S the
9th pin 9 of pin 11, the 12nd pin 12 of gating switch S and gating switch S is connected, and the second LED light group C accesses work
Circuit；
Meanwhile the 4th pin 4 of the second pin 2 of gating switch S and gating switch S are connected, the first current limliting module and the
One LED light group W accesses operating circuit；
When gating switch S is in third control gear, the 9th pin 9 of gating switch S draws with the tenth of gating switch S
Foot 10 is connected, and the first LED light group W accesses operating circuit；
Meanwhile the 4th pin 4 of the third pin 3 of gating switch S and gating switch S are connected, the second current limliting module and the
Two LED light group C access operating circuit；
When gating switch S is in one the 4th control gear, the 6th pin 6 of gating switch S, the 7th of gating switch S draw
9th pin 9 of foot 7, the 8th pin 8 of gating switch S and gating switch S is connected, and the first LED light group W accesses operating circuit；
Meanwhile the 4th pin 4 of gating switch S and the 5th pin 5 of gating switch S are connected, third current limliting module and the
Two LED light group C access operating circuit；
When gating switch S is in one the 5th control gear, the 6th pin 6 of gating switch S, the 7th of gating switch S draw
Foot 7, the 4th pin 4 of the 8th pin 8 and gating switch S of gating switch S, the 9th pin 9 of gating switch S are connected, and first
LED light group W accesses operating circuit.
Specifically, when gating switch S is in the first control gear, the second LED light group C accesses operating circuit, LED light
Colour temperature is 5000K；When gating switch S is in the second control gear, the first LED light group W and the second LED light group C access work
Make circuit, meanwhile, the first current limliting module shunts the first LED light group W, the brightness of the first LED light group W is allocated,
The light of first LED light group W and the second LED light group C are mixed to form a kind of new colour temperature 4000K；When gating switch S is in the
When three control gears, the first LED light group W and the second LED light group C access operating circuit, meanwhile, the second current limliting module is to second
LED light group C is shunted, and is allocated to the brightness of the second LED light group C, the light of the first LED light group W and the second LED light group C
Line is mixed to form a kind of new colour temperature 3500K；When gating switch S is in the 4th control gear, the first LED light group W and the
Two LED light group C access operating circuit, meanwhile, third current limliting module shunts the second LED light group C, to the second LED light
The brightness of group C is allocated, and the light of the first LED light group W and the second LED light group C are mixed to form a kind of new colour temperature
3000K；When gating switch S is in the 5th control gear, the first LED light group W accesses operating circuit, and the colour temperature of LED light is
2700K。
Further, gating switch S combines three current limliting modules to realize five kinds of colour temperatures switching of LED light, improves LED
The practicability of lamp meets user to a variety of needs of colour temperature, and will not influence the dimming function of thyristor regulating optical chip U.
The beneficial effect of technical solution of the present invention is: providing a kind of color temperature-tunable LED circuit of tunable optical, passes through gating
The colour temperature of switch-mode regulation LED light both can satisfy user to the needs of multiple color temperatures to realize the switching of LED light multiple color temperatures,
The waste of resource will not be caused, and structure is simple, is conducive to realize, can save production cost.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (10)
1. a kind of color temperature-tunable LED circuit of tunable optical characterized by comprising
One gating switch, the gating switch include at least five gears, to adjust the colour temperature of a LED light；
The input terminal of one power supply driver, the power supply driver is connect with power grid, the first output end of the power supply driver
It is connect with the gating switch, the second output terminal of the power supply driver is connect with the anode of the LED light；The power supply drives
Dynamic device is for providing stable voltage to the LED light；
The LED light includes at least one first LED light group and one second LED light group, first LED light group and described second
LED light group is in parallel；
First output end of the power supply driver respectively with the 4th pin of the gating switch and the gating switch the
The connection of nine pins；
The cathode of first LED light group respectively with the second pin of the gating switch, the gating switch the 6th pin,
The tenth pin connection of 7th pin of the gating switch, the 8th pin of the gating switch, the gating switch；
The cathode of second LED light group third pin with the first pin of the gating switch, the gating switch respectively
Connection, the 5th pin of the gating switch, the 11st pin of the gating switch, the gating switch the 12nd pin
Connection.
2. the color temperature-tunable LED circuit of tunable optical according to claim 1, which is characterized in that the LED circuit further includes
At least three current limliting modules, at least three current limliting modules include:
First current limliting module is connected between the cathode of first LED light group and the second pin of the gating switch, described
Operating current of the first current limliting module to control first LED light group；
Second current limliting module is connected between the cathode of second LED light group and the third pin of the gating switch, described
Operating current of the second current limliting module to control second LED light group；
Third current limliting module is connected between the cathode of second LED light group and the 5th pin of the gating switch, described
Operating current of the third current limliting module to control second LED light group.
3. the color temperature-tunable LED circuit of tunable optical according to claim 1, which is characterized in that the gating switch is in
When one first control gear, the 11st pin, the gating switch of the first pin of the gating switch, the gating switch
The 12nd pin and the 9th pin of the 4th pin of the gating switch, the gating switch connect, second LED light
Group access operating circuit.
4. the color temperature-tunable LED circuit of tunable optical according to claim 2, which is characterized in that the gating switch is in
When one second control gear, the 11st pin, the gating switch of the first pin of the gating switch, the gating switch
The 12nd pin and the 9th pin of the gating switch connect, second LED light group accesses operating circuit；
Meanwhile the 4th pin of the second pin of the gating switch and the gating switch is connected, the first current limliting module
Operating circuit is accessed with first LED light group.
5. the color temperature-tunable LED circuit of tunable optical according to claim 2, which is characterized in that the gating switch is in
When one third controls gear, the 9th pin of the gating switch and the tenth pin of the gating switch are connected, and described first
LED light group accesses operating circuit；
Meanwhile the 4th pin of the third pin of the gating switch and the gating switch is connected, the second current limliting module
Operating circuit is accessed with second LED light group.
6. the color temperature-tunable LED circuit of tunable optical according to claim 2, which is characterized in that the gating switch is in
When one the 4th control gear, the 6th pin of the gating switch, the 7th pin of the gating switch, the gating switch
9th pin of the 8th pin and the gating switch is connected, and first LED light group accesses operating circuit；
Meanwhile the 5th pin of the 4th pin of the gating switch and the gating switch is connected, the third current limliting module
Operating circuit is accessed with second LED light group.
7. the color temperature-tunable LED circuit of tunable optical according to claim 1, which is characterized in that the gating switch is in
When one the 5th control gear, the 6th pin of the gating switch, the 7th pin of the gating switch, the gating switch
The 9th pin connection of 4th pin of the 8th pin and the gating switch, the gating switch, first LED light group connect
Enter operating circuit.
8. the color temperature-tunable LED circuit of tunable optical according to claim 2, which is characterized in that each current limliting module
Including two resistor coupled in parallel.
9. the color temperature-tunable LED circuit of tunable optical according to claim 1, which is characterized in that first LED light group is extremely
It less include two the first colour temperature lamp groups, at least two first colour temperature lamp groups are connected in parallel.
10. the color temperature-tunable LED circuit of tunable optical according to claim 1, which is characterized in that second LED light group
Including at least two the second colour temperature lamp groups, at least two second colour temperature lamp groups are connected in parallel.
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| CN201811427861.2A CN109275237A (en) | 2018-11-27 | 2018-11-27 | A kind of color temperature-tunable LED circuit of tunable optical |
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| CN201811427861.2A CN109275237A (en) | 2018-11-27 | 2018-11-27 | A kind of color temperature-tunable LED circuit of tunable optical |
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| CN105657909A (en) * | 2016-03-25 | 2016-06-08 | 深圳市明微电子股份有限公司 | Linear LED drive circuit capable of achieving light and color adjustment |
| CN205830095U (en) * | 2016-06-28 | 2016-12-21 | 杭州乐图光电科技有限公司 | A kind of LED matrix of adjustable color temperature |
| CN206350204U (en) * | 2017-01-09 | 2017-07-21 | 厦门海莱照明有限公司 | A kind of four sections of switches color temperature LED lamp circuit |
| CN108712806A (en) * | 2018-08-01 | 2018-10-26 | 上海顿格电子贸易有限公司 | A kind of controllable silicon light modulation color-temperature regulating down lamp circuit |
| CN209643036U (en) * | 2018-11-27 | 2019-11-15 | 上海顿格电子贸易有限公司 | A kind of color temperature-tunable LED circuit of tunable optical |
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