CN101825259B - Reflector cup and LED lamp - Google Patents
Reflector cup and LED lamp Download PDFInfo
- Publication number
- CN101825259B CN101825259B CN 201010117207 CN201010117207A CN101825259B CN 101825259 B CN101825259 B CN 101825259B CN 201010117207 CN201010117207 CN 201010117207 CN 201010117207 A CN201010117207 A CN 201010117207A CN 101825259 B CN101825259 B CN 101825259B
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- reflective surface
- reflector
- connecting portion
- arrangement connecting
- light fixture
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Abstract
The invention is applied to indoor and outdoor illumination and provides a reflector cup and an LED lamp. The reflector cup is in an inverted W shape along the longitudinal section in the length direction, and the longitudinal section is an axisymmetric figure; and a mounting hole used for mounting a light source is respectively formed on two intersecting surfaces of a V-shaped connecting part positioned in the middle of the reflector cup. The LED lamp comprises a plurality of reflector cups which are arranged along the length direction in turn. The light rays emitted from the light source are reflected through a reflective surface inside the reflector cup and irradiate the irradiated surface so as to realize the bat-wing light distribution. The LED lamp has the advantages of high average illumination, excellent uniformity, and high luminous efficacy, and is applied to roads, galleries, corridors, and other luminous environments.
Description
Technical field
The invention belongs to lighting engineering, relate in particular to a kind of reflector and LED light fixture.
Background technology
Many weeks, LED has the many merits such as light efficiency is high, life-span length, energy-saving and environmental protection as the new generation of green lighting source, and application is more and more extensive, such as indoor and outdoor lighting, backlight, medical treatment, traffic, plant growth etc.
When the LED light fixture is used for road or tunnel illumination, the hot spot of an ellipse/rectangle need to be arranged or on long and narrow face to be illuminated uniform-illumination, this just needs light fixture that the batswing tab luminous intensity distribution of wide-angle is arranged.At present, the multiplex lens of the batswing tab luminous intensity distribution of wide-angle are realized, have caused whole Luminaire efficiency on the low side but the transmissivity of lens is low, do not meet the energy-conservation characteristics of LED.As shown in Figure 1, the lens of the long and narrow luminous intensity distribution of this batswing tab, be formed on wide-angle (approximately 120 °) locate light intensity large, in the too little effect of other angle light intensity, the preferably uniformity can be arranged, but average illumination is on the low side.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of reflector, average illumination problem on the low side when being intended to solve existing reflector for road or tunnel illumination.
The embodiment of the invention is to realize like this, a kind of reflector, described reflector longitudinal section along its length is inversed W-shape, and described longitudinal section is zhou duicheng tuxing, is positioned on two crossing sides of V-arrangement connecting portion at described reflector middle part to be respectively arranged with for the installing hole that light source is installed; The described V-arrangement connecting portion left and right sides connects respectively establishes the 3rd reflective surface and the 4th reflective surface that is parallel to horizontal plane, described the 3rd reflective surface and the 4th reflective surface join with the second reflective surface and the 5th reflective surface respectively, and the center of described installing hole all is higher than going to the bottom of described the second reflective surface and the 5th reflective surface;
The both wings of described reflector comprise respectively a plurality of first kind reflective surfaces along its length, described the second to the 5th reflective surface is first kind reflective surface, described a plurality of first kind reflective surface starts from the lateral edge of described V-arrangement connecting portion and in smoothing junction successively, angle between the adjacent first kind reflective surface is the obtuse angle, and described angle increases successively along described reflector both wings bearing of trend;
Broad ways, described reflector is provided with a plurality of successively Equations of The Second Kind reflective surfaces of smooth connection, the edge of described Equations of The Second Kind reflective surface links to each other with the edge of described first kind reflective surface and described V-arrangement connecting portion two sides, and the cross section of described reflector broad ways is zhou duicheng tuxing.
Another purpose of the embodiment of the invention is to provide a kind of LED light fixture, and described light fixture comprises a plurality of above-mentioned reflectors, and described a plurality of reflectors are arranged in order along its length.
The light that light source sends described in the embodiment of the invention exposes to face to be illuminated and can realize the batswing tab luminous intensity distribution through the reflective surface reflection of glow cup inboard, and average illumination is high, the uniformity is good, and the light fixture light efficiency is high, is applicable to the lighting environments such as road, tunnel, corridor.
Description of drawings
Fig. 1 is the distribution curve flux figure of the reflector that provides of prior art;
Fig. 2 is the cross-sectional view of the reflector that provides of the embodiment of the invention;
Fig. 3 is the top view of the reflector that provides of the embodiment of the invention;
Fig. 4 is the side view of the reflector that provides of the embodiment of the invention;
Fig. 5 is the stereogram of the reflector that provides of the embodiment of the invention;
Fig. 6 is the lateral light paths figure of the LED light fixture that provides of the embodiment of the invention;
Fig. 7 is vertical index path of the LED light fixture that provides of the embodiment of the invention;
Fig. 8 is the distribution curve flux figure of the LED light fixture that provides of the embodiment of the invention;
Fig. 9 is the illuminating effect figure of the LED light fixture that provides of the embodiment of the invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Embodiment of the invention difference with the prior art is, described reflector longitudinal section along its length is inversed W-shape, described longitudinal section is zhou duicheng tuxing, is positioned on two crossing sides of V-arrangement connecting portion at described reflector middle part to be respectively arranged with for the installing hole that light source is installed.Light source is installed on the both sides of the V-arrangement connecting portion at described reflector middle part, light exposes to face to be illuminated and can realize the batswing tab luminous intensity distribution through the reflective surface reflection of glow cup inboard.
The embodiment of the invention provides a kind of reflector, described reflector longitudinal section along its length is inversed W-shape, and described longitudinal section is zhou duicheng tuxing, is positioned on two crossing sides of V-arrangement connecting portion at described reflector middle part to be respectively arranged with for the installing hole that light source is installed.
Such as Fig. 2, Fig. 3 and shown in Figure 4, the reflector that the embodiment of the invention provides longitudinal section along its length is inversed W-shape, this longitudinal section is zhou duicheng tuxing, is positioned on two crossing sides of V-arrangement connecting portion 17 at described reflector middle part to be respectively arranged with for the installing hole 13 that light source is installed.The both wings of described reflector comprise respectively a plurality of first kind reflective surfaces along its length, described a plurality of first kind reflective surface starts from the lateral edge of described V-arrangement connecting portion 17 and in smoothing junction successively, angle between the adjacent first kind reflective surface is the obtuse angle, and described angle increases successively along described reflector both wings bearing of trend.The left wing of described reflector is equipped with the 3rd reflective surface 3, the second reflective surface 2 and the first reflective surface 1 successively, and the right flank of described reflector is equipped with the 4th reflective surface 4, the 5th reflective surface 5 and the 6th reflective surface 6 successively, and these six reflective surfaces are first kind reflective surface; Described the 3rd reflective surface 3 and the 4th reflective surface 4 all are parallel to horizontal plane; Angle between the left surface of described the 3rd reflective surface 3 and described V-arrangement connecting portion 17 is the obtuse angle, and the angle between described the second reflective surface 2 and the 3rd reflective surface 3 is greater than the angle between the left surface of described the 3rd reflective surface 3 and described V-arrangement connecting portion 17; Angle between described the first reflective surface 1 and the second reflective surface 2 is greater than the angle between described the second reflective surface 2 and the 3rd reflective surface 3.Described the second reflective surface 2 and the first reflective surface 1 are trapezoidal, and its floor projection also is trapezoidal.Going to the bottom of described the second reflective surface 2 overlaps with the upper base of described the first reflective surface 1.Below only introduce left wing's situation of described reflector, the right flank of described reflector and left wing are symmetrical, do not repeat them here.
As shown in Figure 4 and Figure 5, broad ways, described reflector is provided with a plurality of successively Equations of The Second Kind reflective surfaces of smooth connection, and the edge of described Equations of The Second Kind reflective surface links to each other with the edge of described first kind reflective surface and described V-arrangement connecting portion 17 two sides; The cross section of described reflector broad ways is zhou duicheng tuxing.The edge of described V-arrangement connecting portion 17 two sides is equipped with the 7th reflective surface 7 and the 9th reflective surface 9; Described the 7th reflective surface 7 downsides are provided with the 8th reflective surface 8, and described the 9th reflective surface 9 downsides are provided with the tenth reflective surface 10, and described the 8th reflective surface 8 and the tenth reflective surface 10 all are circular arc.Described the 8th reflective surface 8 downsides are provided with the 11 reflective surface 11, and described the tenth reflective surface 10 downsides are provided with the 12 reflective surface 12, and these six reflective surfaces are the Equations of The Second Kind reflective surface, and the floor projection of described Equations of The Second Kind reflective surface is trapezoidal.This reflecting cup structure is simple, does not have the aspheric curve equation, and handling ease is easy to the machining accuracy that reaches higher.
As shown in Figure 6 and Figure 7, the embodiment of the invention also provides a kind of LED light fixture, and described LED light fixture has a plurality of reflectors, and described a plurality of reflectors are arranged in order along its length.Described LED light fixture also has a plurality of LED, and described a plurality of LED are installed on the both sides of described V-arrangement connecting portion 17, and the angle between the described V-arrangement connecting portion two sides is 80 °～100 °, so that punching withdrawing pattern and LED fix.The both sides of the connecting portion of V-arrangement described in the present embodiment 17 are provided with the installing hole 13 that LED is installed, and described LED14 has two.Be provided with the heat radiation fixed block 16 that contacts with 15 of LED substrates in the described V-arrangement connecting portion.All reflective surfaces are coated with in order to reflective specular aluminium in the present embodiment, and the reflectivity of described specular aluminium is 92%; Described reflector be designed and sized to 125*40*20mm, thick 2mm, the length of the first reflective surface 1 is 20mm, the length of the second reflective surface 2 is 33mm, the length of the 3rd reflective surface 3 is 4mm; Described the first reflective surface 1 is 23 ° with the angle of horizontal plane, and the second reflective surface 2 is 20 ° with the angle of horizontal plane; The angle of described V-arrangement connecting portion both sides is 90 °; The length of the 7th reflective surface 7 is 10.5mm, and the radius of curvature of the 8th reflective surface 8 is 21mm, and the 11 reflective surface 11 is 135 ° with the angle of horizontal plane.The light of LED that the present embodiment adopts is logical to be 1000 lumens, places the exterior space center of 6.9m * 3m to carry out simulated test described LED light fixture, and described LED light fixture is apart from face to be illuminated 2m.Such as Fig. 8 and shown in Figure 9, as expected rectangular light spot appears in 0.2m place, described LED light fixture below, realizes horizontal 120 °, vertical 80 ° batswing tab luminous intensity distribution; Described LED light fixture whole efficiency is greater than 95%, and light efficiency is high; Average illumination is 25 luxs, and minimal illumination is 6.27 luxs, and maximal illumination is 52 luxs, the uniformity ratio of average illumination (minimal illumination with) is 0.254, average illumination is high, the uniformity is good, and light efficiency is high, is applicable to the lighting environments such as road, tunnel, corridor.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. reflector, it is characterized in that, described reflector longitudinal section along its length is inversed W-shape, and described longitudinal section is zhou duicheng tuxing, is positioned on two crossing sides of V-arrangement connecting portion at described reflector middle part to be respectively arranged with for the installing hole that light source is installed; The described V-arrangement connecting portion left and right sides connects respectively establishes the 3rd reflective surface and the 4th reflective surface that is parallel to horizontal plane, described the 3rd reflective surface and the 4th reflective surface join with the second reflective surface and the 5th reflective surface respectively, and the center of described installing hole all is higher than going to the bottom of described the second reflective surface and the 5th reflective surface;
The both wings of described reflector comprise respectively a plurality of first kind reflective surfaces along its length, described the second to the 5th reflective surface is first kind reflective surface, described a plurality of first kind reflective surface starts from the lateral edge of described V-arrangement connecting portion and in smoothing junction successively, angle between the adjacent first kind reflective surface is the obtuse angle, and described angle increases successively along described reflector both wings bearing of trend;
Broad ways, described reflector is provided with a plurality of successively Equations of The Second Kind reflective surfaces of smooth connection, the edge of described Equations of The Second Kind reflective surface links to each other with the edge of described first kind reflective surface and described V-arrangement connecting portion two sides, and the cross section of described reflector broad ways is zhou duicheng tuxing.
2. reflector as claimed in claim 1 is characterized in that, the floor projection of described first kind reflective surface is trapezoidal.
3. reflector as claimed in claim 1 is characterized in that, the floor projection of described Equations of The Second Kind reflective surface is trapezoidal.
4. reflector as claimed in claim 1 is characterized in that, the angle between the described V-arrangement connecting portion two sides is 80 °～100 °.
5. reflector as claimed in claim 1 is characterized in that, the inner surface of described reflector is coated with in order to reflective specular aluminium.
6. a LED light fixture is characterized in that, described light fixture comprises a plurality of such as each described reflector in the claim 1 to 5, and described a plurality of reflectors are arranged in order along its length.
7. LED light fixture as claimed in claim 6 is characterized in that, described LED light fixture also has a plurality of LED, and described a plurality of LED are installed on the both sides of the V-arrangement connecting portion of described reflector, is provided with the heat radiation fixed block that contacts with the LED real estate in the described V-arrangement connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010117207 CN101825259B (en) | 2010-03-02 | 2010-03-02 | Reflector cup and LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010117207 CN101825259B (en) | 2010-03-02 | 2010-03-02 | Reflector cup and LED lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101825259A CN101825259A (en) | 2010-09-08 |
| CN101825259B true CN101825259B (en) | 2013-03-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010117207 Expired - Fee Related CN101825259B (en) | 2010-03-02 | 2010-03-02 | Reflector cup and LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101825259B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI20090397A (en) * | 2009-10-30 | 2011-05-01 | Juha Koivisto | Lighting device for lighting streets, roads, parking lots, warehouses and other areas |
| CN101936507B (en) * | 2010-09-29 | 2013-10-09 | 海洋王照明科技股份有限公司 | Reflector, lamp and illuminating equipment |
| CN102734689B (en) * | 2011-03-31 | 2015-05-20 | 海洋王照明科技股份有限公司 | Enclosure road light |
| CN102734690B (en) * | 2011-03-31 | 2015-06-10 | 海洋王照明科技股份有限公司 | Light distribution lamp |
| CN102734747A (en) * | 2011-03-31 | 2012-10-17 | 海洋王照明科技股份有限公司 | A road lamp |
| CN102384432B (en) * | 2011-11-01 | 2013-12-25 | 天台天宇光电科技有限公司 | Light reflecting cup of light-emitting diode (LED) lamp bank |
| US8974077B2 (en) | 2012-07-30 | 2015-03-10 | Ultravision Technologies, Llc | Heat sink for LED light source |
| EP2743570A1 (en) | 2012-12-14 | 2014-06-18 | Ansorg GmbH | Electric light |
| US9195281B2 (en) | 2013-12-31 | 2015-11-24 | Ultravision Technologies, Llc | System and method for a modular multi-panel display |
| CN115013756B (en) * | 2021-03-05 | 2023-07-21 | 北京字节跳动网络技术有限公司 | Light-emitting device and lamp |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201059469Y (en) * | 2007-07-04 | 2008-05-14 | 张兰芬 | multi-planar reflector for pipe type florescent lamp lamps |
| CN101629698A (en) * | 2008-07-17 | 2010-01-20 | 孙迎光 | Secondary light distribution reflecting mirror of LED street lamp |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5196477B2 (en) * | 2008-06-23 | 2013-05-15 | Ｉｄｅｃ株式会社 | Lighting device |
-
2010
- 2010-03-02 CN CN 201010117207 patent/CN101825259B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201059469Y (en) * | 2007-07-04 | 2008-05-14 | 张兰芬 | multi-planar reflector for pipe type florescent lamp lamps |
| CN101629698A (en) * | 2008-07-17 | 2010-01-20 | 孙迎光 | Secondary light distribution reflecting mirror of LED street lamp |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2010-3644A 2010.01.07 |
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| Publication number | Publication date |
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| CN101825259A (en) | 2010-09-08 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20130306 Termination date: 20190302 |