CN104125683A - Light emitting device capable of adjusting color temperature - Google Patents
Light emitting device capable of adjusting color temperature Download PDFInfo
- Publication number
- CN104125683A CN104125683A CN201410165458.2A CN201410165458A CN104125683A CN 104125683 A CN104125683 A CN 104125683A CN 201410165458 A CN201410165458 A CN 201410165458A CN 104125683 A CN104125683 A CN 104125683A
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- colour temperature
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- electric current
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- 230000000694 effects Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000003359 percent control normalization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- H05B45/24—Controlling the colour of the light using electrical feedback from LEDs or from LED modules
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
- Led Device Packages (AREA)
Abstract
A light emitting device capable of modulating color temperature, comprising: the dimming circuit comprises a power supply unit for providing a power supply, a driving unit, a stage dimming control unit, an adjusting unit, a first color temperature unit and a second color temperature unit. The stage dimming control unit receives an operation signal and outputs a corresponding control signal and a corresponding control current, the adjusting unit receives and distributes the control current to a first adjusting current and a second adjusting current in stages according to the control signal, and the first color temperature unit and the second color temperature unit with different color temperatures can adjust the current value received by the color temperature unit to achieve the effect of adjusting the color temperature change at any time according to the requirements of users to change the color of the light.
Description
Technical field
The present invention relates to a kind of light-emitting device, particularly relate to a kind of light-emitting device of energy modulation colour temperature.
Background technology
Lighting device is occupying critical role in decoration or the construction of the atmosphere of public place at home gradually at present, existing adjustment lamp brightness changes can not meet current trend of the market, and the color that how can adjust at any time light according to user's demand becomes current developmental research target.
Summary of the invention
The object of the present invention is to provide and a kind ofly can adjust the light-emitting device that colour temperature changes to change Light Color.
The light-emitting device of energy modulation colour temperature of the present invention, comprises a power subsystem, a driver element, a first colour temperature unit and a second colour temperature unit.
This power subsystem is used for providing a power supply.
This driver element is electrically connected this power subsystem, receives this power supply and exports a drive current.
The light-emitting device of this energy modulation colour temperature also comprises a stage dimming control unit and a regulon.
This stage dimming control unit is electrically connected this driver element, receives an operation signal and exports a corresponding control signal, receives this drive current and exports one and control electric current.
This regulon is electrically connected this stage dimming control unit, receive this control signal and this control electric current, and export one first adjusting electric current and one the second adjusting electric current that can be phasic Chang to controlling signal and current value, the current value summation of this first adjusting electric current and this second adjusting electric current is same as in fact the current value of this control electric current.
This first colour temperature unit receives this first adjusting electric current and exports a first corresponding smooth signal.
This second colour temperature unit receives this second adjusting electric current and exports a second corresponding smooth signal, and the colour temperature of this second smooth signal is different from the colour temperature of this first smooth signal.
Of the present invention can modulation the light-emitting device of colour temperature, one of them the corresponding cool colour light of colour temperature of this first smooth signal and this second smooth signal, the colour temperature correspondence warm colour light of wherein another.
The light-emitting device of energy modulation colour temperature of the present invention, also comprises an operating unit that is electrically connected this stage dimming control unit, and this operating unit receives user and operates to export this operation signal.
The light-emitting device of energy modulation colour temperature of the present invention, this operating unit is that single an incision is closed.
The light-emitting device of energy modulation colour temperature of the present invention, this stage dimming control unit comprises the counting module of this operating unit of electrical connection, this counting module receives this operation signal and receives the number of times of operation signal for accumulative total, and do not receive this operation signal at interval of a scheduled time and reset, and export a counting signal.
The light-emitting device of energy modulation colour temperature of the present invention, this stage dimming control unit also comprises the control module of this counting module of electrical connection and this regulon, this control module receives this counting signal, and output is to counting this control signal of signal.
Of the present invention can modulation the light-emitting device of colour temperature, this control module stores has one to counting the brightness adjustment control data of signal and this control signal, this brightness adjustment control data for the confession contrast of tabling look-up.
Beneficial effect of the present invention is: receive this operation signal this control signal corresponding to output by this stage dimming control unit, this regulon receives and distributes this control electric current to this first adjusting electric current and this second adjusting electric current according to this control signal, can adjust at any time colour temperature according to user's demand and change to change Light Color.
Brief description of the drawings
Fig. 1 is the circuit diagram of a preferred embodiment of the light-emitting device of energy modulation colour temperature of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Consult Fig. 1, the preferred embodiment of the light-emitting device of energy modulation colour temperature of the present invention comprises one for the power subsystem 2 of a power supply, driver element 3, operating unit 4, stage dimming control unit 5, regulon 6, a first colour temperature unit 7 are provided, and a second colour temperature unit 8.
These driver element 3 these power subsystems 2 of electrical connection, receive this power supply and export a drive current.
This operating unit 4 receives user and operates to export an operation signal, and in the present embodiment, this operating unit 4 is that single an incision is closed (not shown), but is not limited to this.
These stage dimming control unit 5 this driver element 3 of electrical connection and this operating units 4, receive this operation signal and export a corresponding control signal, receive this drive current and export one and control electric current, this stage dimming control unit 5 comprises the counting module 51 of this operating unit 4 of electrical connection, and the control module 52 of electrical connection this counting module 51 and this regulon 6.
This counting module 51 receives these operation signals and also receives for accumulative total the number of times that operates signal, and does not receive this operation signal at interval of a scheduled time and reset, and exports one and count signal.
This control module 52 receives this counting signal, and output is to counting this control signal of signal.
In the present embodiment, this control module 52 stores one to counting the brightness adjustment control data of signal and this control signal, this brightness adjustment control data for for the contrast of tabling look-up, but be not limited to this.
These regulon 6 these stage dimming control unit 5 of electrical connection, receive this control signal and this control electric current, and export one first adjusting electric current and one the second adjusting electric current that can be phasic Chang to controlling signal and current value, the current value summation of this first adjusting electric current and this second adjusting electric current is same as in fact the current value of this control electric current.
This first colour temperature unit 7 receives this first adjusting electric current and exports a first corresponding smooth signal.
This second colour temperature unit 8 receives this second adjusting electric current and exports a second corresponding smooth signal, and the colour temperature of this second smooth signal is different from the colour temperature of this first smooth signal.
In the present embodiment, this the first colour temperature unit 7 and this second colour temperature unit 8 are all light-emitting diode (Light-EmittingDiode is abbreviated as LED), and the corresponding cool colour light of the colour temperature of this first smooth signal, the corresponding warm colour light of colour temperature of this second smooth signal, but be not limited to this.
When general use, user operates this operating unit 4 to export this operation signal, in the present embodiment, use single incision to close as explanation, user exports once this operation signal while often pressing once single incision pass (this operating unit 4), this counting module 51 receives this operation signal and adds up to export this counting signal, this control module 52 receives this counting signal and exports this corresponding control signal according to this stored brightness adjustment control data, this regulon 6 receives this control signal and according to this control signal, this control electric current is assigned as to this first adjusting electric current and this second adjusting electric current.
In the present embodiment, the scheduled time of this counting module 51 is using 1 second as explanation, and this first regulates electric current and this second to regulate the stage variation of electric current using three stages as explanation, but is not limited to this.
In the time that user presses single incision pass (this operating unit 4) for the first time, this counting module 51 receives this counting signal of this operation signal output corresponding " compression number once ", this control module 52 receives after this counting signal, according to this control signal of this stored brightness adjustment control data output corresponding " 100% ", this regulon 6 is all dispensed to this first adjusting electric current according to this control signal by 100% control electric current, now the assigned control electric current of this second adjusting electric current is 0%, so, this the first colour temperature unit 7 can correspondence produce the cool colour light of brightness 100%, this 8 of the second colour temperature unit is not luminous, make the light source of overall mixed light produce cool colour light.
When user's (this scheduled time) in interval 1 second presses single incision while closing (this operating unit 4) for the second time, this counting module 51 receives this counting signal of this operation signal output corresponding " twice of compression number ", this control module 52 receives after this counting signal, according to this control signal of this stored brightness adjustment control data output corresponding " 50% ", this regulon 6 is dispensed to this first adjusting electric current according to this control signal by 50% control electric current, now the assigned control electric current of this second adjusting electric current is 50%, so, this the first colour temperature unit 7 can correspondence produce the cool colour light of brightness 50%, the corresponding warm colour light that produces brightness 50% in 8 of this second colour temperature unit, make the light source of overall mixed light produce neutral light.
When user with compressing time interval for the second time 1 second in (this scheduled time) again press single incision while closing (this operating unit 4), this counting module 51 receives this counting signal of this operation signal output corresponding " compression number three times ", this control module 52 receives after this counting signal, according to this control signal of this stored brightness adjustment control data output corresponding " 0% ", this regulon 6 does not distribute according to this control signal controls electric current to this first adjusting electric current, now the assigned control electric current of this second adjusting electric current is 100%, so, this the first colour temperature unit 7 is not luminous, the corresponding warm colour light that produces brightness 100% in 8 of this second colour temperature unit, make the light source of overall mixed light produce warm colour light.
Do not press single pass (this operating unit 4) of cutting if user exceedes 1 second (this scheduled time), this counting module 51 resets again to count.
So can reach and adjust effect that colour temperature changes to change Light Color according to the distribution of electric current, but the above-mentioned electric current method of salary distribution be only as explanation, not as limit.
It is worth mentioning that, the light-emitting device of above-mentioned energy modulation colour temperature can also be extended for and comprise N (N >=2) colour temperature unit, and N-1 regulon 6, and the light signal of described colour temperature unit can be distinguished corresponding different-colour, or only the light signal of part colour temperature unit is set as to different-colour, described regulon 6 receive respectively this control signal and by this control electric current be assigned as this first regulate electric current, this second regulate electric current ..., this N regulates electric current.
Conventionally know that owing to having in this area the knowledgeable can know expansion details by inference according to above explanation, therefore do not add explanation.
Via above explanation, the advantage of the present embodiment can be summarized as follows:
One, receive this operation signal this control signal corresponding to output by this stage dimming control unit 5, this regulon 6 receives and distributes this control electric current to this first adjusting electric current and this second adjusting electric current according to this control signal, can adjust at any time colour temperature according to user's demand and change to change Light Color.
Two, because the brightness meeting of the general light-emitting diode as colour temperature unit 7,8 is proportional to circulated electric current, therefore by the current value of fixing this drive current of being exported by this driver element 3, and only go to distribute the size of current that each colour temperature unit 7,8 receives and no longer increase or reduce total current value by this regulon 6, can make 7,8 of the described colour temperature unit total brightness of sending light signal substantially remain unchanged, so in the time regulating colour temperature to change, can't there is the affected situation of lamplight brightness in user.
Three, by this stage dimming control unit 5 and this regulon 6 are designed to interim control, not but still can reach adjust colour temperature change effect, and can simplify circuit design and cost, and general common single incision of arranging in pairs or groups closed and can be implemented, user can control the stage variation of colour temperature according to switching times, comparatively directly perceived on not only using, also increase the convenience practicing.
Four, because the brightness meeting of the general light-emitting diode as colour temperature unit 7,8 is proportional to circulated electric current, therefore control the light signal brightness of described colour temperature unit 7,8 by adjusting size of current, can reach better accuracy compared with voltage control.
In sum, the present invention not only can adjust at any time colour temperature and change to change Light Color according to user's demand, can also avoid lamplight brightness in the time adjusting colour temperature, to be affected, to increase the convenience on practicing, and reach better accuracy, so really can reach object of the present invention.
Claims (7)
1. a light-emitting device for energy modulation colour temperature, comprises a power subsystem, a driver element, a first colour temperature unit and a second colour temperature unit;
This power subsystem is used for providing a power supply;
This driver element is electrically connected this power subsystem, receives this power supply and exports a drive current;
It is characterized in that:
The light-emitting device of this energy modulation colour temperature also comprises a stage dimming control unit and a regulon;
This stage dimming control unit is electrically connected this driver element, receives an operation signal and exports a corresponding control signal, receives this drive current and exports one and control electric current;
This regulon is electrically connected this stage dimming control unit, receive this control signal and this control electric current, and export one first adjusting electric current and one the second adjusting electric current that can be phasic Chang to controlling signal and current value, the current value summation of this first adjusting electric current and this second adjusting electric current is same as in fact the current value of this control electric current;
This first colour temperature unit receives this first adjusting electric current and exports a first corresponding smooth signal;
This second colour temperature unit receives this second adjusting electric current and exports a second corresponding smooth signal, and the colour temperature of this second smooth signal is different from the colour temperature of this first smooth signal.
As claimed in claim 1 can modulation the light-emitting device of colour temperature, it is characterized in that: one of them the corresponding cool colour light of colour temperature of this first smooth signal and this second smooth signal, the colour temperature correspondence warm colour light of wherein another.
3. the light-emitting device of energy modulation colour temperature as claimed in claim 1, it is characterized in that: the light-emitting device of this energy modulation colour temperature also comprises the operating unit of this stage dimming control unit of electrical connection, and this operating unit receives user and operates to export this operation signal.
4. the light-emitting device of energy modulation colour temperature as claimed in claim 3, is characterized in that: this operating unit is that single an incision is closed.
5. the light-emitting device of energy modulation colour temperature as claimed in claim 3, it is characterized in that: this stage dimming control unit comprises the counting module of this operating unit of electrical connection, this counting module receives this operation signal and receives the number of times of operation signal for accumulative total, and do not receive this operation signal at interval of a scheduled time and reset, and export a counting signal.
6. the light-emitting device of energy modulation colour temperature as claimed in claim 5, it is characterized in that: this stage dimming control unit also comprises the control module of this counting module of electrical connection and this regulon, this control module receives this counting signal, and output is to counting this control signal of signal.
As claimed in claim 6 can modulation the light-emitting device of colour temperature, it is characterized in that: this control module stores has one to counting the brightness adjustment control data of signal and this control signal this brightness adjustment control data for the confession contrast of tabling look-up.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102207860U TWM464825U (en) | 2013-04-29 | 2013-04-29 | Color temperature adjustable light emitting device |
| TW102207860 | 2013-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104125683A true CN104125683A (en) | 2014-10-29 |
Family
ID=49991717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410165458.2A Pending CN104125683A (en) | 2013-04-29 | 2014-04-23 | Light emitting device capable of adjusting color temperature |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2800458A3 (en) |
| JP (1) | JP5858253B2 (en) |
| CN (1) | CN104125683A (en) |
| TW (1) | TWM464825U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979625A (en) * | 2016-05-17 | 2016-09-28 | 英飞特电子（杭州）股份有限公司 | LED color temperature adjustment circuit |
| CN107211507A (en) * | 2014-12-01 | 2017-09-26 | 胡贝尔公司 | Current splitter for LED illumination System |
| CN112752369A (en) * | 2015-04-15 | 2021-05-04 | 豪倍公司 | Dimming to warm system and operation method thereof |
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| CN101839436A (en) * | 2009-06-20 | 2010-09-22 | 王丹琳 | Light with variable color temperature along with ambient temperature |
| CN201995188U (en) * | 2011-03-29 | 2011-09-28 | 黄坚 | LED (light-emitting diode) film and television lamp with adjustable color temperature and brightness |
| JP2012004240A (en) * | 2010-06-15 | 2012-01-05 | Mitsubishi Electric Corp | Led power supply and led illumination equipment |
| CN102781140A (en) * | 2011-05-12 | 2012-11-14 | 里德安吉公司 | Apparatus and methods for tuning of emitter with multiple LEDs to a single color bin |
| CN102883498A (en) * | 2011-07-13 | 2013-01-16 | 旭丽电子(广州)有限公司 | Storage dimming method, storage type dimming lamp and dimming driving circuit |
| CN103024987A (en) * | 2011-09-27 | 2013-04-03 | 英飞凌科技股份有限公司 | LED driver with compensation of thermally induced color drift |
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| JPH02259420A (en) * | 1989-03-30 | 1990-10-22 | Meiji Natl Ind Co Ltd | Display device |
| JP2001045406A (en) * | 1999-07-26 | 2001-02-16 | Matsushita Electric Ind Co Ltd | Two-color led drive circuit |
| RU2524477C2 (en) * | 2009-03-12 | 2014-07-27 | Конинклейке Филипс Электроникс Н.В. | Led lighting device with characteristic of colour temperature of incandescent lamp |
| JP5405274B2 (en) * | 2009-11-18 | 2014-02-05 | 積水ハウス株式会社 | Indirect lighting device |
| JP2011175877A (en) * | 2010-02-25 | 2011-09-08 | New Japan Radio Co Ltd | Light control method and light control circuit |
| EP2624664A4 (en) * | 2010-09-27 | 2017-05-03 | Mitsubishi Chemical Corporation | Led illumination appliance and led illumination system |
| EP2657991A4 (en) * | 2010-12-24 | 2016-03-23 | Mitsubishi Chem Corp | Led light-emitting device, terminal number converter, and illumination device |
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2013
- 2013-04-29 TW TW102207860U patent/TWM464825U/en not_active IP Right Cessation
-
2014
- 2014-04-23 CN CN201410165458.2A patent/CN104125683A/en active Pending
- 2014-04-24 JP JP2014090175A patent/JP5858253B2/en active Active
- 2014-04-24 EP EP14165898.9A patent/EP2800458A3/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839436A (en) * | 2009-06-20 | 2010-09-22 | 王丹琳 | Light with variable color temperature along with ambient temperature |
| JP2012004240A (en) * | 2010-06-15 | 2012-01-05 | Mitsubishi Electric Corp | Led power supply and led illumination equipment |
| CN201995188U (en) * | 2011-03-29 | 2011-09-28 | 黄坚 | LED (light-emitting diode) film and television lamp with adjustable color temperature and brightness |
| CN102781140A (en) * | 2011-05-12 | 2012-11-14 | 里德安吉公司 | Apparatus and methods for tuning of emitter with multiple LEDs to a single color bin |
| CN102883498A (en) * | 2011-07-13 | 2013-01-16 | 旭丽电子(广州)有限公司 | Storage dimming method, storage type dimming lamp and dimming driving circuit |
| CN103024987A (en) * | 2011-09-27 | 2013-04-03 | 英飞凌科技股份有限公司 | LED driver with compensation of thermally induced color drift |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107211507A (en) * | 2014-12-01 | 2017-09-26 | 胡贝尔公司 | Current splitter for LED illumination System |
| CN112423430A (en) * | 2014-12-01 | 2021-02-26 | 胡贝尔公司 | Current splitter for LED lighting system |
| CN112752369A (en) * | 2015-04-15 | 2021-05-04 | 豪倍公司 | Dimming to warm system and operation method thereof |
| CN105979625A (en) * | 2016-05-17 | 2016-09-28 | 英飞特电子（杭州）股份有限公司 | LED color temperature adjustment circuit |
| CN105979625B (en) * | 2016-05-17 | 2018-03-06 | 英飞特电子（杭州）股份有限公司 | A kind of LED colour temperature adjusts circuis |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5858253B2 (en) | 2016-02-10 |
| JP2014216653A (en) | 2014-11-17 |
| TWM464825U (en) | 2013-11-01 |
| EP2800458A2 (en) | 2014-11-05 |
| EP2800458A3 (en) | 2015-11-18 |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141029 |
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| RJ01 | Rejection of invention patent application after publication |