CN203549679U - LED secondary lens device capable of generating multiple beam angles - Google Patents
LED secondary lens device capable of generating multiple beam angles Download PDFInfo
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- CN203549679U CN203549679U CN201320734116.9U CN201320734116U CN203549679U CN 203549679 U CN203549679 U CN 203549679U CN 201320734116 U CN201320734116 U CN 201320734116U CN 203549679 U CN203549679 U CN 203549679U
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- 230000004907 flux Effects 0.000 abstract description 2
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- 239000011324 bead Substances 0.000 abstract 2
- 230000003287 optical effect Effects 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses an LED secondary lens device capable of generating multiple beam angles. The LED secondary lens device comprises LED lamp beads, a total internal reflection lens and a light distribution lens arranged in the total internal reflection lens. A lens array which is used for distributing light rays emitted by the LED lamp beads in a segmented mode is arranged on the total internal reflection lens. By means of the LED secondary lens device, the light emitted by the lens array is distributed in a segmented mode, luminous fluxes penetrating through all areas are distributed according to a certain rule by adjusting the spatial area of each light-emitting area, and meanwhile the beam angles of light emitted by all the areas are different and can be distributed according to the rule by adjusting the surface curvature distribution of fly-eye lenses of light-emitting surfaces of all the areas. The LED secondary lens device is particularly suitable for even wash wall illumination or illuminating occasions with the requirements for similar asymmetrical light distribution. By means of the LED secondary lens device, no obvious dark area exists in places close to a wash wall lamp, and light uniformity is good.
Description
Technical field
The utility model relates to illuminating lamp technical field, relates in particular a kind of LED secondary lens device that can produce multiple beam angles.
Background technology
At present, LED is widely used in numerous lighting fields such as indoor and outdoors function lighting, decorative lighting and Landscape Lighting as novel environmental protection light source, the light distribution of sending due to LED is similar to lambert's body, can not meet the requirement of particular place to light source light distribution, only have the luminous intensity distribution of this nearly lambert's type is distributed and carries out secondary optics processing, allow light after treatment distribute and can realize the light scenes such as most of function lightings, Landscape Lighting, decorative lighting.For example, patent publication No. is that CN 202266983U, the 2012.06.06 of open day of patent disclose Chinese utility model patent and disclose a kind of LED optical lens, comprise circuit matrix, LED optical lens and LED light source, LED optical lens and LED light source are all arranged on circuit substrate, described LED optical lens comprises matrix and optical surface body, the groove that the bottom surface of described matrix upwards offers storage tank and is connected with storage tank, described LED light source is contained in storage tank.
But, existing LED secondary lens is when being applied to wall lamp, the light that it irradiates out, on wall, there is obvious dark space, especially near the part of wall lamp, fairly obvious, secondly, its light emitting is even not to the illumination of wall, and especially multiple wall lamps match, when being combined into different colours light.
Utility model content
The purpose of this utility model is to provide for the deficiencies in the prior art part, provides a kind of and can produce the LED secondary lens device of multiple beam angles, can overcome the deficiencies in the prior art part, and it is simple in structure, it is easy, cheap to make, operating efficiency is high; The illumination occasion that is particularly suitable for evenly washing wall illumination or has similar asymmetric smooth distributed needs, does not have obvious dark space, light good evenness near the place of wall lamp.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows: a kind of LED secondary lens device that can produce multiple beam angles, comprises LED lamp pearl, total internal reflection lens and be arranged on the light-distribution lens in described total internal reflection lens; Described total internal reflection lens is provided with the lens arra that the light for described LED lamp pearl is sent carries out the processing of subregion luminous intensity distribution.
As preferably, described lens arra comprises transparent installing plate, the first lens array being arranged in by first lens, the second lens arra being become by the second lens arrangement and the 3rd lens arra that become by the 3rd lens arrangement.
As preferably, the surface curvature distribution of described first lens, the second lens and the 3rd lens is not etc.
As preferably, the radius of curvature linearity of described first lens, the second lens and the 3rd lens reduces.
As preferably, the radius of curvature ladder of described first lens, the second lens and the 3rd lens reduces.
As preferably, described first lens, the second lens and the 3rd lens are arranged on described transparent installing plate in the mode of rectangular array.
As preferably, described first lens array, the second lens arra and the 3rd lens arra width equate or width is stepped reduces or width linearity reduces.
As preferably, the one-body molded or separable assembled of described transparent installing plate and described total internal reflection lens.
As preferably, described transparent installing plate is provided with the first installing hole, the second installing hole and the 3rd installing hole for described first lens, the second lens and the 3rd lens are installed, and in described the first installing hole, the second installing hole and the 3rd installing hole, locking device is all installed.
As preferably, described locking device comprises the elasticity hang plate tilting laterally and is arranged on the jointed shaft on described elasticity hang plate.
The utility model beneficial effect is:
The light that the utility model sends lens devices carries out subregion luminous intensity distribution, allows the luminous flux in each district be certain rule and distributes, and can realize beam angle that each district casts out light different and can realize rule and distribute; Simple and compact for structure, operating efficiency is high, is particularly suitable for evenly washing wall illumination or has the illumination occasion of similar asymmetric smooth distributed needs, near the place of wall lamp, there is no obvious dark space, light good evenness.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of an embodiment of the present utility model;
Fig. 2 is array structure thereof figure;
Fig. 3 is locking device structure schematic diagram.
The specific embodiment
The following stated is only preferred embodiment of the present utility model, not scope of the present utility model is limited.
Embodiment, is shown in accompanying drawing 1,2,3, and a kind of LED secondary lens device that can produce multiple beam angles, comprises LED lamp pearl 1, total internal reflection lens 2 and be arranged on the light-distribution lens 3 in described total internal reflection lens 2, total internal reflection lens 2 full name are Total Internal Reflaction, are called for short TIR, and described total internal reflection lens 2 is provided with the lens arra 4 that the light for described LED lamp pearl 1 is sent carries out the processing of subregion luminous intensity distribution, TIR lens and fly eye lens array, fly eye lens array is lens arra 4, on TIR lens, for the lens arra 4 that the light of TIR collimated is carried out to luminous intensity distribution processing, be divided into multiple arrays, the curvature distribution difference on the fly's-eye lens surface of different arrays, in present embodiment, described lens arra 4 comprises transparent installing plate 401, the first lens array being arranged in by first lens 402, the second lens arra being arranged in by the second lens 403 and the 3rd lens arra being arranged in by the 3rd lens 404, one-body molded or the separable assembled of transparent installing plate 401 and described total internal reflection lens 2, described first lens array, the second lens arra and the 3rd lens arra width equate, also can steppedly reduce, reduce gradually.Described first lens 402, the second lens 403 and the 3rd lens 404 can be convex lens, can be also toroidal lens; Convex lens comprise base plate and spherical mirror; The curvature distribution difference of described first lens 402, the second lens 403 and the 3rd lens 404, described first lens 402, the second lens 403 and the 3rd lens 404 are arranged on described transparent installing plate 401 in the mode of rectangular array, form compound eye array, respectively the exiting surface of lens is divided into three lens arras, or more lens arras, by the design of Simulation of TIR lens, make three lens arra amount of lights be certain rule and distribute, as described in the radius of curvature linearity of first lens 402, the second lens 403 and the 3rd lens 404 reduce; The radius of curvature ladder of described first lens 402, the second lens 403 and the 3rd lens 404 reduces, in present embodiment, first lens 402, the second lens 403 and the 3rd lens 404 are convex lens, the lens surface of its lens is sphere or Random Curved Surface Designing, the positive camber profile of same group of lens is identical, guarantees that the beam angle penetrating on same group of lens curved surface surface is consistent; Pass through optimal design, allow not the positive camber profile difference between lens curved surface on the same group, and presenting certain rule distributes, guarantee the emerging beam angle difference of each output optical zone, through first lens 402, the second lens 403 and the 3rd lens 404 light out, mutually intersect, make light respectively evenly.
More than explanation is only to explanation of the present utility model, make those of ordinary skills' can completely implement this programme, but be not to restriction of the present utility model, those skilled in the art are reading after this description and can to the present embodiment, make the modification that there is no creative contribution as required, and these are all not creative modifications.But as long as within the scope of claim of the present utility model, be all subject to the protection of Patent Law.
Claims (10)
1. can produce a LED secondary lens device for multiple beam angles, comprise LED lamp pearl (1), total internal reflection lens (2) and be arranged on the light-distribution lens (3) in described total internal reflection lens (2); It is characterized in that: described total internal reflection lens (2) is provided with the lens arra (4) that the light for described LED lamp pearl (1) is sent carries out the processing of subregion luminous intensity distribution.
2. according to claim 1ly a kind ofly can produce the LED secondary lens device of multiple beam angles, it is characterized in that: described lens arra (4) comprises transparent installing plate (401), the first lens array being arranged in by first lens (402), the second lens arra being arranged in by the second lens (403) and the 3rd lens arra that is arranged in by the 3rd lens (404).
3. that according to claim 2, states a kind ofly can produce the LED secondary lens device of multiple beam angles, it is characterized in that: the surface curvature distribution of described first lens (402), the second lens (403) and the 3rd lens (404) is not etc.
4. a kind of LED secondary lens device that can produce multiple beam angles according to claim 2, is characterized in that: the radius of curvature linearity of described first lens (402), the second lens (403) and the 3rd lens (404) reduces.
5. a kind of LED secondary lens device that can produce multiple beam angles according to claim 2, is characterized in that: the radius of curvature ladder of described first lens (402), the second lens (403) and the 3rd lens (404) reduces.
6. a kind of LED secondary lens device that can produce multiple beam angles according to claim 2, is characterized in that: described first lens (402), the second lens (403) and the 3rd lens (404) are arranged on described transparent installing plate (401) in the mode of rectangular array.
7. according to claim 2ly a kind ofly can produce the LED secondary lens device of multiple beam angles, it is characterized in that: described first lens array, the second lens arra and the 3rd lens arra width equate or width is stepped reduces or width linearity reduces.
8. according to claim 2ly a kind ofly can produce the LED secondary lens device of multiple beam angles, it is characterized in that: the one-body molded or separable assembled of described transparent installing plate (401) and described total internal reflection lens (2).
9. according to a kind of LED secondary lens device that can produce multiple beam angles described in claim 2 or 3 or 4 or 5 or 6 or 7, it is characterized in that: described transparent installing plate (401) is provided with the first installing hole, the second installing hole and the 3rd installing hole for described first lens (402), the second lens (403) and the 3rd lens (404) are installed, and in described the first installing hole, the second installing hole and the 3rd installing hole, locking device (5) is all installed.
10. a kind of LED secondary lens device that can produce multiple beam angles according to claim 8, is characterized in that: described locking device (5) comprises the elasticity hang plate (501) tilting laterally and is arranged on the jointed shaft (502) on described elasticity hang plate (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320734116.9U CN203549679U (en) | 2013-11-20 | 2013-11-20 | LED secondary lens device capable of generating multiple beam angles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320734116.9U CN203549679U (en) | 2013-11-20 | 2013-11-20 | LED secondary lens device capable of generating multiple beam angles |
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| Publication Number | Publication Date |
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| CN203549679U true CN203549679U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320734116.9U Expired - Lifetime CN203549679U (en) | 2013-11-20 | 2013-11-20 | LED secondary lens device capable of generating multiple beam angles |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604094A (en) * | 2013-11-20 | 2014-02-26 | 浙江晶日照明科技有限公司 | LED secondary lens device capable of generating multiple beam angles |
| JP2018503132A (en) * | 2015-01-19 | 2018-02-01 | フィリップス ライティング ホールディング ビー ヴィ | Optical device having collimator and small lens array |
| CN110764354A (en) * | 2019-10-31 | 2020-02-07 | 兴光谱科技成都有限公司 | Optical structure of LCD projector, projector and P light and S light conversion method |
-
2013
- 2013-11-20 CN CN201320734116.9U patent/CN203549679U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604094A (en) * | 2013-11-20 | 2014-02-26 | 浙江晶日照明科技有限公司 | LED secondary lens device capable of generating multiple beam angles |
| JP2018503132A (en) * | 2015-01-19 | 2018-02-01 | フィリップス ライティング ホールディング ビー ヴィ | Optical device having collimator and small lens array |
| CN110764354A (en) * | 2019-10-31 | 2020-02-07 | 兴光谱科技成都有限公司 | Optical structure of LCD projector, projector and P light and S light conversion method |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313000 Zhejiang Jingri Lighting Technology Co., Ltd. at the junction of Jingwu Road and Huzhi Avenue in Wuxing District, Huzhou City, Zhejiang Province Patentee after: Zhejiang Jingri Science and Technology Co.,Ltd. Address before: 313000 Zhejiang Jingri Lighting Technology Co., Ltd. at the junction of Jingwu Road and Huzhi Avenue in Wuxing District, Huzhou City, Zhejiang Province Patentee before: Zhejiang Jingri Lighting Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 313000 Zhejiang city of Huzhou Province in Eastern New District Road No. 2008 Patentee after: Zhejiang Jingri Science and Technology Co.,Ltd. Address before: 313000 Wuxing City, Zhejiang Province, by the way of the road and the intersection of the Lake Avenue, Zhejiang, crystal sun lighting technology Co., Ltd., five Patentee before: Zhejiang Jingri Science and Technology Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
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| CX01 | Expiry of patent term |