CN107461716B - Optical reflector - Google Patents
Optical reflector Download PDFInfo
- Publication number
- CN107461716B CN107461716B CN201710792586.3A CN201710792586A CN107461716B CN 107461716 B CN107461716 B CN 107461716B CN 201710792586 A CN201710792586 A CN 201710792586A CN 107461716 B CN107461716 B CN 107461716B
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- CN
- China
- Prior art keywords
- light
- cover body
- diameter
- reflecting cover
- reflecting
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- 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.)
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Classifications
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/10—Construction
-
- 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
- F21V7/00—Reflectors for light sources
- F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
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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 invention relates to the technical field of reflectors, in particular to an optical reflector, which comprises a reflecting cover body, and a light inlet and a light outlet which are arranged on the reflecting cover body, wherein the light inlet and the light outlet are round; the diameter of the light outlet is twice the diameter of the light inlet; the inner side surface of the reflecting cover body is used as a reflecting surface, and the section curve equation of the reflecting surface is as follows: x is X j ＝[3Dtanθ‑(2Dj/N)tanθ]/[tan(θ‑jθ/N)+tanθ]；Y j ＝X[tan(θ‑jθ/N)]The method comprises the steps of carrying out a first treatment on the surface of the Wherein, a tangential point of the light inlet is used as an origin, and the reflecting cover body is horizontally arranged; x is X j Represents the transverse direction, Y j And the vertical direction is represented by theta, the antiglare angle is represented by theta, D is the diameter of the light inlet, N is the number of equal divisions of the diameter of the light outlet, and j epsilon (0, N). The invention has no glare in the anti-dazzle angle range, the whole light emission of the reflecting cover body is soft, the anti-dazzle effect is achieved, and the black light reflection effect is realized.
Description
Technical Field
The invention relates to the technical field of reflectors, in particular to an optical reflector.
Background
Since the advent of LED lighting fixtures, the LED lighting fixtures have good application prospects by virtue of incomparable advantages compared with the traditional lighting fixtures, and now enter production and practical application stages. The development of LED light sources was the third lighting revolution from the us inventor edison invention incandescent lamp to 130 years ago for human lighting history.
The LED lighting lamp is widely applied to household lighting, hotel and commercial lighting, road lighting and night scene lighting, and good lighting effect is achieved. The LED has the advantages of high luminous efficiency, good color rendering, energy conservation, environmental protection and the like, and is used for household illumination, hotel and commercial illumination at present. The preferred lamps and lanterns of environment such as road, factory building, warehouse. However, at present, some LED lighting lamp products do not take practical lighting effect consideration in light distribution, and after the reflector of the traditional lamp is directly used, the anti-dazzle effect of the LED lamp is poor.
Disclosure of Invention
The invention provides an optical reflector aiming at the problems in the prior art, which can effectively control the uncontrollable light emitted by a reflecting cover body to be within a non-entering anti-dazzle angle, and the whole reflecting cover body emits light softly and comfortably, thereby achieving the anti-dazzle effect and realizing the black light reflection effect.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention provides an optical reflector, which comprises a reflecting cover body, and a light inlet and a light outlet which are arranged on the reflecting cover body, wherein the light inlet and the light outlet are both round; the diameter of the light outlet is twice that of the light inlet; the inner side surface of the reflecting cover body is used as a reflecting surface, and the section curve equation of the reflecting surface is as follows: x is X j ＝[3Dtanθ-(2Dj/N)tanθ]/[tan(θ-jθ/N)+tanθ]；Y j ＝X[tan(θ-jθ/N)]The method comprises the steps of carrying out a first treatment on the surface of the Wherein, a tangential point of the light inlet is used as an origin, and the reflecting cover body is horizontally arranged; x represents the transverse direction, Y represents the longitudinal direction, θ is the antiglare angle, D is the diameter of the light inlet, N is the number of equal divisions of the diameter of the light outlet, j ε (0, N).
Wherein N is greater than or equal to 10.
Wherein the reflecting cover body is made of metal material, and the thickness of the reflecting cover body is between 0.35 and 1.5 mm.
Wherein the reflecting cover body is made of non-metal materials, and the thickness of the reflecting cover body is between 0.5 and 3.5 mm.
Wherein the reflecting surface is made of specular reflection materials.
The invention has the beneficial effects that:
the optical reflector provided by the invention can effectively control the uncontrollable light emitted by the reflecting cover body to be within a non-entering anti-dazzle angle, the whole reflecting cover body emits light softly and comfortably, the anti-dazzle effect is achieved, and the black light reflection effect is realized.
Drawings
Fig. 1 is a schematic structural view of an optical reflector according to the present invention.
FIG. 2 is a schematic diagram of the cross-sectional curves of the bisectors, parallel connecting lines, diagonals and reflective surfaces of the present invention.
Fig. 3 is a light path diagram of the light source entering the reflective housing from the light inlet and then exiting from the light outlet.
The reference numerals in fig. 1 to 3 include:
1-reflection cover 2-light inlet 3-light outlet
4-reflecting surface 5-bisection point 6-parallel connecting line
7-bisector 8-section curve.
Detailed Description
The invention will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the invention. The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the optical reflector according to the present embodiment includes a reflective housing 1, and a light inlet 2 and a light outlet 3 disposed in the reflective housing 1, where the light inlet 2 and the light outlet 3 are both circular; the diameter of the light outlet 3 is twice that of the light inlet 2; the inner side surface of the reflecting cover body 1 is used as a reflecting surface 4, and the section curve 8 equation of the reflecting surface 4 is as follows: x is X j ＝[3Dtanθ-(2Dj/N)tanθ]/[tan(θ-jθ/N)+tanθ]；Y j ＝X[tan(θ-jθ/N)]The method comprises the steps of carrying out a first treatment on the surface of the Wherein, a tangential point of the light inlet 2 is used as an origin, and the reflecting cover body 1 is horizontally arranged; x is X j Represents the transverse direction, Y j The vertical direction is represented by θ, the antiglare angle is represented by D, the diameter of the light inlet 2, and N, the number of equal divisions of the diameter of the light outlet, j e (0, N). Specifically, according to the product requirement, determining an anti-dazzle angle theta, the diameter D of the light inlet 2, the diameter 2D of the light outlet 3 and the height of the reflecting cover body 1; as shown in fig. 2, after the diameter D of the light inlet 2 and the diameter 2D of the light outlet 3 are determined, the diameter 2D of the light outlet 3 is equally divided into N as neededForming N equally divided points 5, connecting diagonal points of the light inlet 2 and the light outlet 3 to form diagonal lines, and making N parallel connecting lines 6 based on the equally divided points 5 and the diagonal lines; the anti-dazzle angle theta is equally divided into equal parts with N to form an bisector 7, the origin is used as a light source point, the anti-dazzle angle theta can be converted into radian according to the relation between X and Y to be calculated, the intersection points of the bisector 7 and the parallel connecting line 6 are Xj and Yj, the obtained N intersection points (Xj and Yj) are smoothly connected, and a section curve 8 of the reflecting surface 4 is obtained, wherein the larger N is, the more the intersection points are; it is noted that the relation between X, Y in the curved surface equation, the applicant has no description about the previous search, and is obtained by accident through long-term observation and experiment by the applicant, and the uncontrollable light emitted by the reflecting cover body 1 can be controlled to be not in the anti-dazzle angle according to the above relation, as shown in fig. 3, the light on the reflecting surface 4 is uniform and not dazzle, no glare exists in the anti-dazzle angle range, the whole reflecting cover body 1 emits light softly and comfortably, the anti-dazzle effect is achieved, and the black light reflection effect is achieved.
As shown in fig. 2, in the optical reflector according to the present embodiment, N is equal to or greater than 10. Specifically, the more N is equally divided, the more bisectors 7 and parallel connection lines 6 are passed, the more bisectors are obtained, and the closer the bisectors are connected to the cross-sectional curve 8 of the reflecting surface 4, the more accurate the cross-sectional curve 8 of the reflecting surface 4 is obtained.
In the optical reflector according to this embodiment, when the reflecting cover 1 is made of a metal material, such as an aluminum metal material, the thickness of the reflecting cover 1 is between 0.35 mm and 1.5 mm. Specifically, the thickness is preferably 0.5mm.
In the optical reflector according to this embodiment, when the reflecting cover 1 is made of a non-metal material, such as a plastic material, the thickness of the reflecting cover 1 is between 0.5mm and 3.5 mm. Specifically, the thickness is preferably 0.7mm.
In the optical reflector according to the present embodiment, the reflecting surface 4 is made of a specular reflecting material, such as specular reflecting aluminum, so that the light reflected by the reflecting surface 4 forms a black light reflecting effect, that is, the reflector is seen from a distance, the reflection of the reflecting cover 1 cannot be seen, and the illuminant in the reflecting cover 1 can be seen only when the reflector 1 is approaching and the reflector 1 is directly seen; in addition, the reflecting surface 4 may be a mirror surface with a reflecting effect formed by a special process treatment.
The present invention is not limited to the preferred embodiments, but is intended to be limited to the following description, and any modifications, equivalent changes and variations in light of the above-described embodiments will be apparent to those skilled in the art without departing from the scope of the present invention.
Claims (4)
1. An optical reflector, characterized by: the light source comprises a reflecting cover body, and a light inlet and a light outlet which are arranged on the reflecting cover body, wherein the light inlet and the light outlet are both round; the diameter of the light outlet is twice that of the light inlet; the inner side surface of the reflecting cover body is used as a reflecting surface, and the section curve equation of the reflecting surface is as follows: x is X j ＝[3Dtanθ-(2Dj/N)tanθ]/[tan(θ-jθ/N)+tanθ]；Y j ＝X[tan(θ-jθ/N)]The method comprises the steps of carrying out a first treatment on the surface of the Wherein, a tangential point of the light inlet is used as an origin, and the reflecting cover body is horizontally arranged; x is X j Represents the transverse direction, Y j The longitudinal direction is represented, theta is an anti-dazzle angle, D is the diameter of the light inlet, N is the number of equal divisions of the diameter of the light outlet, j epsilon (0, N);
according to the product requirement, determining an anti-dazzle angle theta, a light inlet diameter D, a light outlet diameter 2D and the height of the reflecting cover body; after the diameter D of the light inlet and the diameter 2D of the light outlet are determined, the diameter 2D of the light outlet is equally divided into N equally divided points according to the requirement, then the diagonal points of the light inlet and the light outlet are connected to form diagonal lines, and N parallel connecting lines are made on the basis of the equally divided points and the diagonal lines; meanwhile, the anti-dazzle angle theta is equally divided, the equally divided quantity is equal to N to form an equally divided line, the origin is used as a light source point, the anti-dazzle angle theta is converted into radian according to the relation between X and Y to be calculated, the intersection points of the equally divided line and a parallel connecting line are obtained to be Xj and Yj, the obtained N intersection points (Xj and Yj) are smoothly connected, and the section curve of the reflecting surface is obtained; and N is more than or equal to 10.
2. An optical reflector as defined in claim 1, wherein: the reflecting cover body is made of metal material, and the thickness of the reflecting cover body is between 0.35 and 1.5 mm.
3. An optical reflector as defined in claim 1, wherein: the reflecting cover body is made of non-metal materials, and the thickness of the reflecting cover body is between 0.5 and 3.5 mm.
4. An optical reflector as defined in claim 1, wherein: the reflecting surface is made of specular reflection materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710792586.3A CN107461716B (en) | 2017-09-05 | 2017-09-05 | Optical reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710792586.3A CN107461716B (en) | 2017-09-05 | 2017-09-05 | Optical reflector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107461716A CN107461716A (en) | 2017-12-12 |
| CN107461716B true CN107461716B (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710792586.3A Active CN107461716B (en) | 2017-09-05 | 2017-09-05 | Optical reflector |
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| Country | Link |
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| CN (1) | CN107461716B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101900296A (en) * | 2010-08-30 | 2010-12-01 | 珠海晟源同泰电子有限公司 | Method for designing dodging and beaming reflector |
| CN101929647A (en) * | 2009-06-18 | 2010-12-29 | 富士迈半导体精密工业（上海）有限公司 | Illuminator |
| CN102037279A (en) * | 2008-05-23 | 2011-04-27 | 元晖光电有限公司 | Non-glare reflective led lighting apparatus with heat sink mounting |
| DE102011015036A1 (en) * | 2011-03-25 | 2012-09-27 | Siegfried Plöbst | Street light has sodium vapor high pressure gas discharge lamp that is arranged within groove-shaped reflector, where longitudinal axis of gas discharge lamp is perpendicular to longitudinal axis of channel in reflector |
| CN105698076A (en) * | 2014-11-25 | 2016-06-22 | 上海润尚光电科技有限公司 | LED down lamp with anti-dazzle function |
| WO2016166004A1 (en) * | 2015-04-16 | 2016-10-20 | Osram Oled Gmbh | Luminaire and arrangement with a plurality of luminaires |
| CN106642018A (en) * | 2016-10-26 | 2017-05-10 | 欧普照明股份有限公司 | Reflecting device and light source module |
| CN207334648U (en) * | 2017-09-05 | 2018-05-08 | 华格照明灯具（上海）有限公司 | A kind of optical reflector |
-
2017
- 2017-09-05 CN CN201710792586.3A patent/CN107461716B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102037279A (en) * | 2008-05-23 | 2011-04-27 | 元晖光电有限公司 | Non-glare reflective led lighting apparatus with heat sink mounting |
| CN101929647A (en) * | 2009-06-18 | 2010-12-29 | 富士迈半导体精密工业（上海）有限公司 | Illuminator |
| CN101900296A (en) * | 2010-08-30 | 2010-12-01 | 珠海晟源同泰电子有限公司 | Method for designing dodging and beaming reflector |
| DE102011015036A1 (en) * | 2011-03-25 | 2012-09-27 | Siegfried Plöbst | Street light has sodium vapor high pressure gas discharge lamp that is arranged within groove-shaped reflector, where longitudinal axis of gas discharge lamp is perpendicular to longitudinal axis of channel in reflector |
| CN105698076A (en) * | 2014-11-25 | 2016-06-22 | 上海润尚光电科技有限公司 | LED down lamp with anti-dazzle function |
| WO2016166004A1 (en) * | 2015-04-16 | 2016-10-20 | Osram Oled Gmbh | Luminaire and arrangement with a plurality of luminaires |
| CN106642018A (en) * | 2016-10-26 | 2017-05-10 | 欧普照明股份有限公司 | Reflecting device and light source module |
| CN207334648U (en) * | 2017-09-05 | 2018-05-08 | 华格照明灯具（上海）有限公司 | A kind of optical reflector |
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| Publication number | Publication date |
|---|---|
| CN107461716A (en) | 2017-12-12 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Room 215, Building 1, No. 4958 Chenxiang Road, Xianghua Town, Chongming District, Shanghai, 202150 Applicant after: WAC LIGHTING TECHNOLOGY (SHANGHAI) Co.,Ltd. Address before: No. 14, Lane 299, Bisheng Road, Pudong New Area, Shanghai, April 2012 Applicant before: WAC LIGHTING (SHANGHAI) Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230802 Address after: Room 215, Building 1, No. 4958 Chenxiang Road, Xianghua Town, Chongming District, Shanghai, 202150 Applicant after: WAC LIGHTING TECHNOLOGY (SHANGHAI) Co.,Ltd. Applicant after: DONGGUAN AMC LIGHTING Co.,Ltd. Address before: Room 215, Building 1, No. 4958 Chenxiang Road, Xianghua Town, Chongming District, Shanghai, 202150 Applicant before: WAC LIGHTING TECHNOLOGY (SHANGHAI) Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |