CN102878467B - Low-color-temperature lighting component - Google Patents
Low-color-temperature lighting component Download PDFInfo
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- CN102878467B CN102878467B CN201210402518.9A CN201210402518A CN102878467B CN 102878467 B CN102878467 B CN 102878467B CN 201210402518 A CN201210402518 A CN 201210402518A CN 102878467 B CN102878467 B CN 102878467B
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention provides a low-color-temperature lighting component which comprises a circuit board and one or a plurality of light source units. Each of the light source units is fixed on the circuit board and comprises white-light LED light sources and red-light LED light sources with peak wavelength ranging from 620-650nm, and the white-light LED light sources and the red-light LED light sources are connected in parallel or in series and are distributed in array. After the red-light LED light sources with the peak wavelength ranging from 620-650nm are combined with the white-light light sources, the low-color-temperature lighting component with color temperature lower than 2500K is obtained. Being tested, light emitted by the low-color-temperature lighting component does not include ultraviolet light, so that aging of objects being irradiated and burning of human skins can be avoided. Meanwhile, the low-color-temperature lighting component without mercury is environment-friendly.
Description
Technical field
The present invention relates to field of LED illumination, in particular to the low colour temperature light fixture of one.
Background technology
The colour temperature of the light sent is commonly referred to as low colour temperature light fixture at the light fixture of below 2500K, and low colour temperature light fixture to have a wide range of applications market in the occasion that some throws light on.But traditional low colour temperature illumination uses mercury lamp as excitation source mostly, and the ultraviolet excitated red fluorescent powder of generation, then mixing produces the light of low colour temperature.The ultraviolet that the light that this kind of light fixture irradiates out comprises can accelerate the aging damage even causing photographed object of photographed object, when being irradiated to human body skin that human body can burn; And red fluorescence powder conversion efficiency is on the low side, make the light efficiency of traditional low colour temperature light fixture generally at about 40lm/W.Meanwhile, because light fixture is mercurous, after discarded, severe contamination can be caused to soil and water.Therefore, in energy growing tension, the today of pursuing environmental protection and sustainable development, the low colour temperature light fixture that traditional manufacture is produced more and more can not meet society and the needs developed.
Summary of the invention
The present invention aims to provide a kind of low colour temperature light fixture, and its light sent is not containing ultraviolet.
To achieve these goals, according to an aspect of the present invention, provide a kind of low colour temperature light fixture, this low colour temperature light fixture comprises: wiring board; One or more light source group, multiple light source group is fixing in the circuit board, and each light source group comprises the red-light LED light source that white LED light source and peak wavelength are 620 ~ 650nm, and red-light LED light source is with white LED light source parallel connection or connect, and is arranged in array.
Further, above-mentioned red-light LED light source employing peak wavelength is the red-light LED light source of 620 ~ 630nm, white LED light source adopts colour temperature to be the white LED light source of 5000 ~ 6000K, and red-light LED light source and white LED light source are configured so that the ratio of the luminous flux of the two is 1:1 ~ 1:2.
Further, the red-light LED light source in above-mentioned each light source group and white LED light source are intervally arranged.
Further, above-mentioned wiring board has pad, the red-light LED light source in light source group and white LED light source are by pad solder in the circuit board.
Further, the colour temperature of above-mentioned low colour temperature light fixture is 1500K, wherein, light source group comprise 20 average flux are 1.9lm, peak wavelength is 625nm red-light LED light source and 5 average flux be 7.8lm, colour temperature is the white LED light source of 5700K.
Further, the colour temperature of above-mentioned low colour temperature light fixture is 2000K, wherein, light source group comprise 21 average flux are 1lm, peak wavelength is 625nm red-light LED light source and 6 average flux be 7.1lm, colour temperature is the white LED light source of 5300K.
Further, above-mentioned low colour temperature light fixture also comprises: cooling base, and wiring board is fixed on cooling base; Driving power, is electrically connected with wiring board; Lamp holder, is electrically connected driving power with wiring board.
Further, the inside of above-mentioned cooling base has receiving cavity, and driving power is arranged in receiving cavity.
Further, above-mentioned low colour temperature light fixture is low colour temperature LED lamp tube, and the end face of cooling base is plane, and the wiring board of one or more electrical connection is fixed in plane by heat-conducting glue or heat conduction adhesive tape.
Further, above-mentioned wiring board is multiple, and wiring board is arranged along the bearing of trend of cooling base.
Apply technical scheme of the present invention, adopt peak band after the red-light LED light source of 620 ~ 650nm and white LED light source combine, obtain colour temperature at 2500K to bend down colour temperature light fixture; Through test, not containing ultraviolet in its light sent, burning of the aging of shone thing and human body skin can not be caused; Meanwhile, due to not mercurous in low colour temperature light fixture of the present invention, eco-friendly light fixture is belonged to.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the principle schematic of low colour temperature light fixture of the present invention;
Fig. 2 shows the wiring board 1 of low colour temperature light fixture in a kind of preferred embodiment of the present invention and the assembling schematic diagram of light source group 2;
Fig. 3 shows the perspective view of the low colour temperature light fixture in the another kind of preferred embodiment of the present invention, illustrated therein is wiring board 1, cooling base 3, driving power 4, lamp holder 5 and lampshade 6; And
Fig. 4 shows the left view of the low colour temperature light fixture shown in Fig. 3, wherein eliminates lamp holder 5.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, in a kind of typical embodiment of the present invention, provide a kind of low colour temperature light fixture, low colour temperature light fixture comprises wiring board 1 and one or more light source group 2, multiple light source group 2 is fixed on wiring board 1 with parallel way, each light source group 2 comprises the red-light LED light source 21 that white LED light source 22 and peak wavelength are 620 ~ 650nm, and red-light LED light source 21 is in parallel with white LED light source 22 or connect, and is arranged in array.
There is the low colour temperature light fixture of said structure, adopt peak band after the red-light LED light source 21 of 620 ~ 650nm combines with white LED light source 22, obtain the low colour temperature light fixture of colour temperature at below 2500K, the light source group 2 formed owing to adopting red-light LED light source 21 and white LED light source 22 is as light source, not containing ultraviolet in its light sent, burning of the aging of shone thing and human body skin can not be caused; Meanwhile, due to not mercurous in low colour temperature light fixture of the present invention, eco-friendly light fixture is belonged to.
In a kind of preferred embodiment of the present invention, above-mentioned red-light LED light source 21 adopts emission wavelength to be the red-light LED light source of 620 ~ 630nm, white LED light source 22 adopts colour temperature to be the white LED light source of 5000 ~ 6000K, and red-light LED light source 21 and white LED light source 22 are configured so that the ratio of the luminous flux of the two is 1:1 ~ 1:2.
Above-described embodiment is with mixed light principle for foundation, and employing peak wavelength is that the red-light LED light source 21 of 620 ~ 630nm manufactures low colour temperature light with the colour temperature relatively high at light efficiency in the method that the white LED light source 22 of 5000 ~ 6000K mixes.Above-mentioned mixed light principle shows that the mixed mixed light chromaticity of two color light is in the center of gravity of two color light chromaticity line, the position of center of gravity is determined by the ratio of the luminosity of two color light, namely by the decision of the ratio of luminous flux, inventor is under the guidance of mixed light principle, select above-mentioned red-light LED light source 21 and white LED light source 22, and find on the basis of great many of experiments, when being between 1:1 ~ 1:2 by the ratio of red-light LED light source 21 and white LED light source 22 luminous flux, the light efficiency of the low colour temperature luminescence component of gained is improved significantly.
In order to obtain comparatively uniform light-out effect, the red-light LED light source 21 in preferred each light source group 2 is intervally arranged with white LED light source 22.Red-light LED light source 21 and white LED light source 22 are intervally arranged, avoid a certain position ruddiness comparatively concentrate or white light comparatively concentrated, cause light-out effect uneven.
As shown in Figure 2, in order to adapt with white LED light source 22 with the red-light LED light source 21 in light source group 2 better, wiring board 1 of the present invention has pad 11, and the red-light LED light source 21 in light source group 2 is welded on wiring board 1 by pad 11 with white LED light source 22.When making wiring board 1, on wiring board 1, pad 11 is made with the position of white LED light source 22 according to the red-light LED light source 21 for arranging, then red-light LED light source 21 and white LED light source 22 are welded on corresponding pad 11, complete the assembling of light source group 2 and wiring board 1.
In a kind of preferred embodiment of the present invention, the colour temperature of above-mentioned low colour temperature light fixture is 1500K, wherein, light source group 2 comprise 20 average flux are 1.9lm, emission wavelength is 625nm red-light LED light source 21 and 5 average flux be 7.8lm, colour temperature is the white LED light source 22 of 5700K.After the colour temperature of the emission wavelength and white LED light source 22 that determine red-light LED light source 21, by measuring the luminous flux of red-light LED light source 21 and white LED light source 22, then select the red-light LED light source 21 of reasonable number and white LED light source 22 to carry out combination and can obtain the low colour temperature light fixture that colour temperature is 1500K, certainly, making colour temperature is that the low colour temperature light fixture of 1500K is not limited in the mode described in above-described embodiment, when the emission wavelength selected by ruddiness LED light source 21 changes between 620 ~ 630nm or the colour temperature of white LED light source 22 changes between 5000 ~ 6000K, only need to change respective number, between 1:1 ~ 1:2, regulate red-light LED light source 21 and white LED light source 22 light flux ratio to realize the present invention.
In the another kind of preferred embodiment of the present invention, the colour temperature of above-mentioned low colour temperature light fixture is 2000K, wherein, light source group 2 comprise 21 average flux are 1lm, emission wavelength is 625nm red-light LED light source 21 and 6 average flux be 7.1lm, colour temperature is the white LED light source 22 of 5300K.
Above-mentioned low colour temperature light fixture also comprises cooling base 3, driving power 4 and lamp holder 5, and wiring board 1 is fixed on cooling base 3; Driving power 4 is electrically connected with wiring board 1; Driving power 4 is electrically connected with wiring board 1 by lamp holder 5.
Have the low colour temperature light fixture of said structure, be fixed on by wiring board 1 on cooling base 3, the partial heat produced during light fixture work can be distributed by cooling base 3; And, in order to realize the illumination functions of light fixture, wiring board 1 is connected with driving power 4, and this driving power 4 can be arranged on inside or the outside of cooling base 3 according to the design requirement of reality; Meanwhile, the lamp holder of setting is convenient to low colour temperature light fixture of the present invention on the one hand and is installed on other devices, utilizes it to be electrically connected with wiring board 1 by driving power 4 on the other hand, or is connected with power supply by low colour temperature assembly further by it.In order to protect light source group 2 further, preferably establish lampshade 6 in cooling base 3 upper cover, all light source groups 2 are encapsulated in lampshade 6.
As shown in Figure 3, the inside of the cooling base 3 in above-described embodiment has receiving cavity, and driving power 4 is arranged in receiving cavity.Driving power 4 is arranged in the container cavity of cooling base 3, further reduces the volume of low colour temperature assembly.
Above-mentioned wiring board 1 can be welded on cooling base 3, and preferred wiring board 1 is fixed on cooling base 3 by heat-conducting glue or heat conduction adhesive tape.
As shown in Figure 3 and Figure 4, above-mentioned low colour temperature light fixture is low colour temperature LED lamp tube, and the end face of cooling base 3 is plane, and the wiring board 1 of one or more electrical connection is fixed in plane by heat-conducting glue or heat conduction adhesive tape.
When above-mentioned low colour temperature light fixture is designed according to the structure of LED lamp tube, the profile of cooling base 3 can design according to shape as shown in Figures 3 and 4, namely end face is plane, two sides also have protuberance more than end face, and there is at this protuberance the groove of depth about 3 ~ 5mm, and be fixed on cooling base 3 by this groove lampshade 6; And the length of cooling base 3 can extend accordingly according to the design requirement of reality or widen so that installs more wiring board 1.
In a kind of preferred embodiment, the wiring board 1 that cooling base 3 is arranged is multiple, and wiring board 1 is arranged along the bearing of trend of cooling base 3.Such as, when the length of cooling base 3 is 120cm, the wiring board 1 that three length are 40cm can be designed, wiring board 1 welds red-light LED light source 21 and white LED light source 22, and three wiring boards 1 are arranged in order along the length direction of cooling base 3, the structure of the low colour temperature light fixture of such formation is simple, is convenient to make.
Below with reference to embodiment and comparative example, further illustrate technique effect of the present invention.
According to the low colour temperature LED lamp tube of vibrational power flow embodiment 1 to the embodiment 20 shown in Fig. 3, light source group designs according to table 1, and wherein the light efficiency of red-light LED light source is 40lm/W, and the light efficiency of white LED light source is at about 110lm/W.Measure colour temperature and the light efficiency of the LED lamp tube of embodiment 1 to 20, measurement result is in table 1.
Use the T8 of FSL colored both-end F15T8 red fluorescence lamp as a comparison case 1, and measure its colour temperature and light efficiency, measurement result is in table 1.
According to the LED lamp tube of the vibrational power flow comparative example 2 shown in Fig. 3 and comparative example 3, light source group designs according to table 1, wherein the light efficiency of white LED light source is at about 110lm/W, because peak wavelength is that the red-light LED luminous efficacy of 670nm and 700nm is very low, luminous flux can be ignored relative to white light, therefore upper table uses luminous power to substitute luminous flux as amount of restraint, the red-light LED luminous power that comparative example 2 is selected is 3600mW, the red-light LED luminous power that comparative example 3 is selected is 3400mW, measure colour temperature and the light efficiency of the LED lamp tube of comparative example 2 and comparative example 3, measurement result is in table 1.
Table 1
As can be seen from the data in table 1, the colour temperature of the low colour temperature LED lamp tube that embodiment 1 to 20 obtains all meets low colour temperature lighting requirement, and light efficiency has clear improvement compared with the light efficiency of comparative example 1; Although the colour temperature of the LED lamp tube of comparative example 2 and comparative example 3 is lower, light efficiency is very low does not reach lighting requirement; As can be seen here, the performance of embodiment 1 to 20 colour temperature of LED lamp tube that adopts technical scheme of the present invention to obtain and light efficiency is all better.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a low colour temperature light fixture, is characterized in that, described low colour temperature light fixture comprises:
Wiring board (1);
One or more light source group (2), described multiple light source group (2) is fixed on described wiring board (1), each described light source group (2) comprises white LED light source (22) and red-light LED light source (21), described red-light LED light source (21) is in parallel with described white LED light source (22) or connect, and be arranged in array, wherein
Described red-light LED light source (21) employing peak wavelength is the red-light LED light source of 620 ~ 630nm, described white LED light source (22) adopts colour temperature to be the white LED light source of 5000 ~ 6000K, and described red-light LED light source (21) and described white LED light source (22) are configured so that the ratio of the luminous flux of the two is 1:1 ~ 1:2.
2. low colour temperature light fixture according to claim 1, is characterized in that, the red-light LED light source (21) in each described light source group (2) and described white LED light source (22) are intervally arranged.
3. low colour temperature light fixture according to claim 1, it is characterized in that, described wiring board (1) has pad (11), the described red-light LED light source (21) in described light source group (2) and described white LED light source (22) are welded on described wiring board (1) by described pad (11).
4. low colour temperature light fixture according to claim 1, it is characterized in that, the colour temperature of described low colour temperature light fixture is 1500K, wherein, described light source group (2) comprise 20 average flux are 1.9lm, peak wavelength is 625nm red-light LED light source (21) and 5 average flux be 7.8lm, colour temperature is the white LED light source (22) of 5700K.
5. low colour temperature light fixture according to claim 1, it is characterized in that, the colour temperature of described low colour temperature light fixture is 2000K, wherein, described light source group (2) comprise 21 average flux are 1lm, peak wavelength is 625nm red-light LED light source (21) and 6 average flux be 7.1lm, colour temperature is the white LED light source (22) of 5300K.
6. low colour temperature light fixture according to claim 1, is characterized in that, described low colour temperature light fixture also comprises:
Cooling base (3), described wiring board (1) is fixed on described cooling base (3);
Driving power (4), is electrically connected with described wiring board (1);
Lamp holder (5), is electrically connected described driving power (4) with described wiring board (1).
7. low colour temperature light fixture according to claim 6, is characterized in that, the inside of described cooling base (3) has receiving cavity, and described driving power (4) is arranged in described receiving cavity.
8. low colour temperature light fixture according to claim 7, it is characterized in that, low colour temperature light fixture is low colour temperature LED lamp tube, the end face of described cooling base (3) is plane, and the described wiring board (1) of one or more electrical connection is fixed in described plane by heat-conducting glue or heat conduction adhesive tape.
9. low colour temperature light fixture according to claim 8, is characterized in that, described wiring board (1) is for multiple, and described wiring board (1) is arranged along the bearing of trend of described cooling base (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210402518.9A CN102878467B (en) | 2012-10-19 | 2012-10-19 | Low-color-temperature lighting component |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210402518.9A CN102878467B (en) | 2012-10-19 | 2012-10-19 | Low-color-temperature lighting component |
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| CN102878467A CN102878467A (en) | 2013-01-16 |
| CN102878467B true CN102878467B (en) | 2015-02-11 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915369A (en) * | 2010-07-20 | 2010-12-15 | 上海亚明灯泡厂有限公司 | LED white light source module |
| CN101922624A (en) * | 2010-04-09 | 2010-12-22 | 嘉兴嘉尼光电科技有限公司 | High-power LED surface light source |
| CN102095184A (en) * | 2011-01-10 | 2011-06-15 | 西安明泰半导体科技有限公司 | Method for improving color rendering index and color temperature of low-color-temperature cold white light emitting diode (LED) matrix light source |
| CN102410448A (en) * | 2010-09-23 | 2012-04-11 | 展晶科技(深圳)有限公司 | Light-emitting diode lamp tube |
| CN202938077U (en) * | 2012-10-19 | 2013-05-15 | 杭州纳晶照明技术有限公司 | Low-color-temperature illumination component |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7005679B2 (en) * | 2003-05-01 | 2006-02-28 | Cree, Inc. | Multiple component solid state white light |
| JP4815781B2 (en) * | 2004-10-20 | 2011-11-16 | ソニー株式会社 | Color liquid crystal display device and backlight device |
-
2012
- 2012-10-19 CN CN201210402518.9A patent/CN102878467B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922624A (en) * | 2010-04-09 | 2010-12-22 | 嘉兴嘉尼光电科技有限公司 | High-power LED surface light source |
| CN101915369A (en) * | 2010-07-20 | 2010-12-15 | 上海亚明灯泡厂有限公司 | LED white light source module |
| CN102410448A (en) * | 2010-09-23 | 2012-04-11 | 展晶科技(深圳)有限公司 | Light-emitting diode lamp tube |
| CN102095184A (en) * | 2011-01-10 | 2011-06-15 | 西安明泰半导体科技有限公司 | Method for improving color rendering index and color temperature of low-color-temperature cold white light emitting diode (LED) matrix light source |
| CN202938077U (en) * | 2012-10-19 | 2013-05-15 | 杭州纳晶照明技术有限公司 | Low-color-temperature illumination component |
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Owner name: NNCRYSTAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: HANGZHOU NANOCRYSTAL LIGHTING TECHNOLOGY CO., LTD. Effective date: 20141217 |
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Effective date of registration: 20141217 Address after: 310052, Hangzhou, Zhejiang province Binjiang District Qiu Yi Road No. 1, 500, 4 floor Applicant after: NNCRYSTAL COMPANY Address before: Hangzhou City, Zhejiang province Binjiang District 310052 Spring Road No. 1576 Building 1 floor 4 Applicant before: Hangzhou Nanocrystal Lighting Technology Co., Ltd. |
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