CN201110501Y - Special-shaped lens and high power LED road lamp shade - Google Patents
Special-shaped lens and high power LED road lamp shade Download PDFInfo
- Publication number
- CN201110501Y CN201110501Y CNU2007200921793U CN200720092179U CN201110501Y CN 201110501 Y CN201110501 Y CN 201110501Y CN U2007200921793 U CNU2007200921793 U CN U2007200921793U CN 200720092179 U CN200720092179 U CN 200720092179U CN 201110501 Y CN201110501 Y CN 201110501Y
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- CN
- China
- Prior art keywords
- special
- approximate
- shaped lens
- platform
- convex surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The utility model relates to a piece of lens and in particular relates to a piece of special-shaped lens and a large power LED street lamp shade, the special-shaped lens comprises a reversed approximate semi-ellipsoid platform, wherein a hollow spherical surface which takes R as radius is arranged on the center of the lower plane of the reversed approximate semi-ellipsoid platform, an approximate double curved surface with certain thickness is arranged on the upper portion of the reversed approximate semi-ellipsoid platform and on a corresponding position on the lower plane, an external concave surface of the approximate double curved surface is connected with the reversed approximate semi-ellipsoid platform, the middle portion of the inner convex surface comprises a convex surface which is approximate to a rectangle, four wedge-shaped bosses are symmetrically arranged on the side surface of the reversed approximate semi-ellipsoid platform, a ring-shaped inner ball incident light groove whose cross section is not equal is arranged on the hollow ball spherical surface, the large power LED street lampshade comprises a cover body and a frame around the cover body, wherein the cover body is combined of special-shaped lenses which have certain number and are arrayed according to certain rule. The utility model provides the special-shaped lens and the large power LED street lampshade which transform a semi-spherical surface light source into a rectangle surface light source.
Description
(1), technical field:
The utility model relates to a kind of lens, particularly a kind of special-shaped lens and high power LED road lamp shade.
(2), background technology:
The lampshade of high-power LED street lamp mainly contains two kinds of structures at present, a kind ofly constitute by plane or globoidal glass, this lampshade is because the angle of divergence of LED luminous tube bigger (being generally 140 degree), the hot spot that sends relatively disperses, the light luminance that makes high-power LED street lamp be radiated on the road surface is not enough, another is all to be placed with convex lens below each LED luminous tube, this lampshade is subjected to the restriction of the convex lens angle of divergence, the hot spot that forms is smaller, and be circular light spot, the place that shines is brighter, and the place that does not shine is exactly to have not a particle of light, brightness is very inhomogeneous, and its structure is very complicated; Vehicle travels for convenience, needs a kind of existing optically focused effect on the market, and the light that high-power LED street lamp is sent is incident upon the lampshade in the middle of the road equably.The light that high-power LED street lamp is sent was both even, intensity is high again, just should become the rectangular light district by the ray cast that special lens send each great power LED luminous tube, just hemispherical source is converted to the rectangular surfaces light source, in the prior art, convert hemispherical source to the many employings of rectangular surfaces light source simple cylindrical lens, though the ray cast that it sends becomes the rectangular light district, but its light is inhomogeneous, and notification number: CN 2746410Y and notification number: the disclosed two kinds of follow-on cylindrical lenses of CN 2733381Y, though its better performances, they at linear light source design, are not suitable for hemispherical source very much.
(3), utility model content:
The technical problems to be solved in the utility model is: overcome the defective of prior art, a kind of special-shaped lens and high power LED road lamp shade that hemispherical source is converted to the rectangular surfaces light source is provided.
The technical solution of the utility model:
A kind of special-shaped lens, contain one and be inverted approximate semielliptical platform, being provided with one at the lower plane center of being inverted approximate semielliptical platform is the hollow sphere of radius with R, the top of being inverted approximate semielliptical platform and with the corresponding position of its lower plane on be provided with one and have certain thickness approximate Double curved surface, the outer concave surface of approximate Double curved surface is connected with the approximate semielliptical platform of inversion, the plane projection of approximate Double curved surface is square or rectangle, it is approximate rectangular convex surface that a plane projection is contained at the interior convex surface middle part of approximate Double curved surface, and four angles of convex surface are arc transition.
Be inverted on the side that is similar to the semielliptical platform and be arranged with four wedge shape projectioies, described hollow sphere is provided with the annular endosphere incident light groove of unequal section.
The direction on the long limit of convex surface is consistent with the direction of the bus of approximate Double curved surface, annular endosphere incident light groove in the degree of depth of the long limit of convex surface one side greater than its degree of depth in minor face one side of convex surface, the position of four wedge shape projectioies is corresponding with the position at four angles of convex surface respectively, and the hollow sphere is the hollow hemisphere face.
The material of special-shaped lens is a transparent material.
The curvature of being inverted the side of approximate semielliptical platform is 0.01～0.15, and the curvature of convex surface is 0.01～0.23, and the material of special-shaped lens is a transparent plastic.
A kind of high power LED road lamp shade that contains described special-shaped lens contains cover body and is located at its frame all around, and cover body is combined by the described special-shaped lens of some, and special-shaped lens is by certain array that is regularly arranged into, and array has certain shape.
Being integral structure or fabricated structure between the adjacent special-shaped lens, is integral structure or fabricated structure between special-shaped lens and the frame.
Array is rectangular array or square array, frame and array coupling, and frame is provided with reference column.
The beneficial effects of the utility model:
1. the refraction that special-shaped lens of the present utility model utilizes light and reflexive property make the light of the different angles that hemispherical source sends by different refractions and reflection channel, finally all evenly are incident upon in the rectangular area, and its design is ingenious, conversion effect good.
2. special-shaped lens of the present utility model contains the hollow sphere, can make the light of hemispherical source all enter special-shaped lens inside like this, prevents from that light from leaking to cause the light intensity after the conversion to reduce; It is square approximate Double curved surface that special-shaped lens contains plane projection, and the light after the conversion is incident upon in the rectangular area substantially.
3. special-shaped lens of the present utility model contains one is inverted approximate semielliptical platform, be inverted on the side that is similar to the semielliptical platform and be arranged with four wedge shape projectioies, can make hemispherical source light all around be squeezed the side and the reflection of wedge projection of approximate semielliptical platform like this, thereby reduce light, effectively improved the light intensity after the conversion from the special-shaped lens side leakage.
4. the hollow hemisphere face of special-shaped lens of the present utility model is provided with annular endosphere incident light groove, can effectively improve the shortcoming that the light at hemispherical source middle part is dispersed, and makes the light conversion effect of special-shaped lens better.
5. high power LED road lamp shade of the present utility model is combined by the special-shaped lens of some, special-shaped lens is by certain array that is regularly arranged into, the hemispherical source that each great power LED luminous tube is sent becomes the rectangular surfaces light source, each rectangular surfaces light source connects together and forms a big rectangular surfaces light source, has satisfied the requirement of high-power LED street lamp to the light intensity and the uniformity.
(4), description of drawings:
Fig. 1 is the structural representation of special-shaped lens;
Fig. 2 is the upward view schematic diagram of Fig. 1;
Fig. 3 is the left view schematic diagram of Fig. 1;
Fig. 4 is the rearview schematic diagram of Fig. 1;
Fig. 5 is the A-A cutaway view schematic diagram among Fig. 4;
Fig. 6 is the B-B cutaway view schematic diagram among Fig. 4;
Fig. 7 is the C-C cutaway view schematic diagram among Fig. 4;
Fig. 8 is one of perspective view of special-shaped lens;
Fig. 9 be special-shaped lens perspective view two;
Figure 10 is one of hemispherical source opticpath schematic diagram on the A-A sectional plane;
Figure 11 is two of the opticpath schematic diagram of hemispherical source on the A-A sectional plane;
Figure 12 is three of the opticpath schematic diagram of hemispherical source on the A-A sectional plane;
Figure 13 is one of hemispherical source opticpath schematic diagram on the B-B sectional plane;
Figure 14 is two of the opticpath schematic diagram of hemispherical source on the B-B sectional plane;
Figure 15 is one of hemispherical source opticpath schematic diagram on the C-C sectional plane;
Figure 16 is two of the opticpath schematic diagram of hemispherical source on the C-C sectional plane;
Figure 17 is three of the opticpath schematic diagram of hemispherical source on the C-C sectional plane;
Figure 18 is the opticpath schematic diagram of hemispherical source on the A-A sectional plane when not having annular endosphere incident light groove;
Figure 19 is the structural representation of high power LED road lamp shade;
Figure 20 is the left view schematic diagram of Figure 19;
Figure 21 is the attached view schematic diagram of Figure 19;
Figure 22 is the rearview schematic diagram of Figure 19;
Figure 23 is the E-E cutaway view schematic diagram among Figure 22;
Figure 24 is the D-D cutaway view schematic diagram among Figure 22;
(5), the specific embodiment:
Embodiment one: referring to Fig. 1～Figure 24, among the figure, special-shaped lens contains one is inverted approximate semielliptical platform 3, being provided with one at the lower plane center of being inverted approximate semielliptical platform 3 is the hollow sphere 5 of radius with R, the top of being inverted approximate semielliptical platform 3 and with the corresponding position of its lower plane on be provided with one and have certain thickness approximate Double curved surface, the outer concave surface 11 of approximate Double curved surface is connected with the approximate semielliptical platform 3 of inversion, the plane projection of approximate Double curved surface is square, it is approximate rectangular convex surface 2 that a plane projection is contained at interior convex surface 1 middle part of approximate Double curved surface, and four angles of convex surface 2 are arc transition.
Be inverted on the side that is similar to semielliptical platform 3 and be arranged with four wedge shape projectioies 4, described hollow sphere 5 is provided with the annular endosphere incident light groove 6 of unequal section.
The direction on the long limit of convex surface 2 is consistent with the direction of the bus of approximate Double curved surface, annular endosphere incident light groove 6 in the degree of depth of the long limit of convex surface 2 side greater than its degree of depth in minor face one side of convex surface 2, the position of four wedge shape projectioies 4 is corresponding with the position at four angles of convex surface 2 respectively, and hollow sphere 5 is the hollow hemisphere face.
The material of special-shaped lens is a transparent material.
The curvature of being inverted the side of approximate semielliptical platform 3 is 0.01～0.15, and the curvature of convex surface 2 is 0.01～0.23, and the material of special-shaped lens is a transparent plastic, and special-shaped lens is injection molded by high transparent plastic.
The hemispherical source that produces by the LED luminous tube showed among Figure 10～Figure 17 7 is at A-A, the B-B of special-shaped lens and the opticpath schematic diagram on the C-C sectional plane, and the light of hemispherical source is incident upon in the rectangular area after special-shaped lens refraction, the reflection well as can be seen; Figure 18 has showed the opticpath schematic diagram of hemispherical source on the A-A sectional plane when not having annular endosphere incident light groove 6, it is compared with Figure 11, its light that penetrates from special-shaped lens is dispersed as can be seen, thereby the improvement effect of 6 pairs of light conversions of annular endosphere incident light groove has been described.
High power LED road lamp shade contains cover body and is located at its frame 9 all around, and cover body is combined by 27 special-shaped lens 8, and 27 special-shaped lens 8 interconnect the rectangular array that is arranged in a 3*9.
Being integral structure between the adjacent special-shaped lens 8, is integral structure between special-shaped lens 8 and the frame 9, and whole high power LED road lamp shade is injection molded by high transparent plastic, and frame 9 is provided with 8 reference columns 10.
Claims (8)
1. special-shaped lens, it is characterized in that: contain one and be inverted approximate semielliptical platform, being provided with one at the lower plane center of being inverted approximate semielliptical platform is the hollow sphere of radius with R, the top of being inverted approximate semielliptical platform and with the corresponding position of its lower plane on be provided with one and have certain thickness approximate Double curved surface, the outer concave surface of described approximate Double curved surface is connected with the approximate semielliptical platform of inversion, the plane projection of described approximate Double curved surface is square or rectangle, it is approximate rectangular convex surface that a plane projection is contained at the interior convex surface middle part of described approximate Double curved surface, and four angles of described convex surface are arc transition.
2. special-shaped lens according to claim 1 is characterized in that: be arranged with four wedge shape projectioies on the side of the approximate semielliptical platform of described inversion, described hollow sphere is provided with the annular endosphere incident light groove of unequal section.
3. special-shaped lens according to claim 2, it is characterized in that: the direction on the long limit of described convex surface is consistent with the direction of the bus of approximate Double curved surface, described annular endosphere incident light groove in the degree of depth of the long limit of convex surface one side greater than its degree of depth in minor face one side of convex surface, the position of described four wedge shape projectioies is corresponding with the position at four angles of convex surface respectively, and described hollow sphere is the hollow hemisphere face.
4. according to claim 1 or 3 described special-shaped lens, it is characterized in that: the material of described special-shaped lens is a transparent material.
5. special-shaped lens according to claim 4 is characterized in that: the curvature of the side of the approximate semielliptical platform of described inversion is 0.01～0.15, and the curvature of described convex surface is 0.01～0.23, and the material of described special-shaped lens is transparent plastic or glass.
6. high power LED road lamp shade that contains the described special-shaped lens of claim 1, contain cover body and be located at its frame all around, it is characterized in that: cover body is combined by the described special-shaped lens of some, described special-shaped lens is by certain array that is regularly arranged into, and described array has certain shape.
7. high power LED road lamp shade according to claim 6 is characterized in that: being integral structure or fabricated structure between the described adjacent special-shaped lens, is integral structure or fabricated structure between described special-shaped lens and the frame.
8. high power LED road lamp shade according to claim 7 is characterized in that: described array is rectangular array or square array, described frame and described array coupling, and described frame is provided with reference column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200921793U CN201110501Y (en) | 2007-09-30 | 2007-09-30 | Special-shaped lens and high power LED road lamp shade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200921793U CN201110501Y (en) | 2007-09-30 | 2007-09-30 | Special-shaped lens and high power LED road lamp shade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201110501Y true CN201110501Y (en) | 2008-09-03 |
Family
ID=39895034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200921793U Expired - Fee Related CN201110501Y (en) | 2007-09-30 | 2007-09-30 | Special-shaped lens and high power LED road lamp shade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201110501Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2287653A1 (en) * | 2009-08-20 | 2011-02-23 | Panasonic Electric Works Co., Ltd | Optical lens and illumination fixture using the same |
| CN101963325B (en) * | 2009-07-21 | 2012-06-27 | 富士迈半导体精密工业（上海）有限公司 | Reflector and illumination device |
| CN109611753A (en) * | 2019-01-08 | 2019-04-12 | 济南坤锐光学科技有限公司 | A kind of lighting apparatus |
| DE102014100058B4 (en) | 2013-01-08 | 2021-12-09 | Ford Global Technologies, Llc | HIGHLY EFFICIENT SMALL PROFILE VEHICLE LED MODULES AND HEADLIGHTS |
-
2007
- 2007-09-30 CN CNU2007200921793U patent/CN201110501Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963325B (en) * | 2009-07-21 | 2012-06-27 | 富士迈半导体精密工业（上海）有限公司 | Reflector and illumination device |
| EP2287653A1 (en) * | 2009-08-20 | 2011-02-23 | Panasonic Electric Works Co., Ltd | Optical lens and illumination fixture using the same |
| CN101994989A (en) * | 2009-08-20 | 2011-03-30 | 松下电工株式会社 | Optical lens and illumination fixture using the same |
| CN101994989B (en) * | 2009-08-20 | 2013-06-19 | 松下电器产业株式会社 | Optical lens and illumination fixture using the same |
| DE102014100058B4 (en) | 2013-01-08 | 2021-12-09 | Ford Global Technologies, Llc | HIGHLY EFFICIENT SMALL PROFILE VEHICLE LED MODULES AND HEADLIGHTS |
| CN109611753A (en) * | 2019-01-08 | 2019-04-12 | 济南坤锐光学科技有限公司 | A kind of lighting apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NEW VISION PHOTOELECTRICITY( ZHENG ZHOU ) CO., LTD Free format text: FORMER OWNER: SUN JINGXI Effective date: 20090717 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090717 Address after: No. 1356, East navigation road, Zhengzhou economic and Technological Development Zone, Henan Province: 450016 Patentee after: Dew & Ken Optoelectronics (Zhengzhou) Co., Ltd. Address before: Zhengzhou City, Henan province Zhengzhou economic and Technological Development Zone, Tianming International Center, 19 floor, zip code: 450016 Patentee before: Sun Jingxi |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080903 Termination date: 20150930 |
|
| EXPY | Termination of patent right or utility model |