CN101846284A - Anti-dazzle transparent plate and anti-dazzle lamp - Google Patents
Anti-dazzle transparent plate and anti-dazzle lamp Download PDFInfo
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- CN101846284A CN101846284A CN201010104074A CN201010104074A CN101846284A CN 101846284 A CN101846284 A CN 101846284A CN 201010104074 A CN201010104074 A CN 201010104074A CN 201010104074 A CN201010104074 A CN 201010104074A CN 101846284 A CN101846284 A CN 101846284A
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Abstract
The invention relates to an anti-dazzle transparent plate and an anti-dazzle lamp, and the anti-dazzle transparent plate is characterized in that the transparent plate is provided with a first surface and a second surface, wherein the second surface is opposite to the first surface, the first surface is provided with a plurality of mutually parallel strip-shaped prominences, the second surface is provided with a plurality of mutually parallel strip-shaped prominences, and the strip-shaped prominences on the first surface and the strip-shaped prominences on the second surface form a certain included angle; the anti-dazzle lamp is characterized in that the anti-dazzle lamp is provided with the anti-dazzle transparent plate. The first surface of the anti-dazzle transparent plate of the invention is provided with the mutually parallel strip-shaped prominences, the second surface opposite to the first surface is provided with the mutually parallel strip-shaped prominences in the same way, the strip-shaped prominences on the first surface and the strip-shaped prominences on the second surface form the certain included angle, and the light emitted by a point-shaped light source is refracted through the anti-dazzle transparent plate and then changed into a surface light source to emit light, thereby glare can be effectively prevented, and the invention is particularly applicable for high-power LED light sources.
Description
Technical field
The present invention relates to anti-dazzle field of light fittings, more particularly, relate to a kind of anti-dazzle transparent panel and anti-dazzle light fixture.
Background technology
The LED illuminator as the 5th generation light source, develop very fastly, it has characteristics such as energy-saving and environmental protection, the life-span is long, volume is little, is widely used in lighting field.In recent years, the luminous flux of high-power adopting surface mounted LED is progressively improving, and under the situation of LED fixed size, the brightness on luminous flux and LED surface is directly proportional, i.e. the light-emitting area brightness of LED is also improving, and the brightness of great power LED has at present surpassed 30000cd/cm
2, compare with indoor lighting source fluorescent tube commonly used that (brightness is 7000-8000cd/cm
2), human eye more is adapted to the brightness of fluorescent tube, because human eye does not have tangible dazzling sense at the fluorescent lamp of directly observing duty, and does not have the vision response delay phenomenon after sight line shifts.Above-mentioned effects limit the application of LED in these occasions, hindered the popularization of energy-conserving light source LED.
Solve the scheme of led light source glare problem, commonly used at present has two kinds.A kind of is to adopt reflector that led light source is sent light to carry out luminous intensity distribution; the light that LED sends throws away by certain angle, has a shielding angle, in the scope of shielding angle; the light that led light source sends can direct projection in human eye, this anti-dazzle scheme is adopted by most of light fixture.Because this scheme only limits dazzle in the mode of shielding angle, does not reduce the brightness on light source surface, sees that when human eye light fixture still has stronger optical fiber direct projection and goes in the human eye outside shielding angle, still has the problem of dazzle.
Another kind of scheme is to install milky Ya Keli flat board additional in the led light source front, because milky white refined gram riser is translucent, human eye can not be seen inner led light source, the light that led light source sends penetrates after the gram riser scattering of Asia, realizes the effect of even light, still, because the inferior gram of translucent milky riser is more to the absorption of light, cause the light loss consumption that light source sends bigger, the utilization ratio of light source even below 50% makes light source can not get effective utilization.
Summary of the invention
One of purpose of the present invention is to provide a kind of light fixture that is used for, especially the anti-dazzle anti-dazzle transparent panel of LED light fixture.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of anti-dazzle transparent panel, described transparent panel has first surface, and with the first surface opposing second surface, it is characterized in that, described first surface has some the strip projected parts that are parallel to each other, described second surface has some the strip projected parts that are parallel to each other, and strip projected parts on the described first surface and the strip projected parts on the second surface are certain included angle.
In anti-dazzle transparent panel of the present invention, the scope of described angle is 10～90 degree.
In anti-dazzle transparent panel of the present invention, described angle is 90 degree.
In anti-dazzle transparent panel of the present invention, the lateral cross section of described strip projected parts is a circular arc, or triangle.
In anti-dazzle transparent panel of the present invention, the strip projected parts on the described first surface is distributed on the described first surface, and the strip projected parts on the described second surface is distributed on the described second surface.
In anti-dazzle transparent panel of the present invention, described transparent panel global shape is dull and stereotyped or has the curved slab of radian.
In anti-dazzle transparent panel of the present invention, in the strip projected parts on the described first surface, adjacent strip projected parts keeps at a certain distance away.
In anti-dazzle transparent panel of the present invention, in the strip projected parts on the described second surface, adjacent strip projected parts keeps at a certain distance away.
In anti-dazzle transparent panel of the present invention, in the strip projected parts on the described first surface, the adjacent setting of adjacent strip projected parts.
In anti-dazzle transparent panel of the present invention, in the strip projected parts on the described second surface, the adjacent setting of adjacent strip projected parts.
In anti-dazzle transparent panel of the present invention, the material of described transparent panel is Merlon, polymethyl methacrylate or glass.
Another object of the present invention provides a kind of anti-dazzle lamp, comprises housing, places the led light source in the housing, it is characterized in that also wrap and state each described anti-dazzle transparent panel, described anti-dazzle transparent panel is positioned at the place ahead of described led light source.
In anti-dazzle light fixture of the present invention, described housing has a rectangular bottom surface, and described led light source is a plurality of, and described led light source array is on the bottom surface of described housing.
Implement anti-dazzle transparent panel of the present invention and anti-dazzle light fixture, has following beneficial effect: go up the strip projected parts that some of tools are parallel to each other for first of anti-dazzle transparent panel of the present invention, have some the strip projected parts that are parallel to each other on second relative with first equally, and the strip projected parts on the strip projected parts on first and second is in a certain angle, the light that point source of light sends becomes surface source luminescence after anti-dazzle transparent panel refraction, can effectively prevent from dazzle to be particularly useful for high-power LED light source.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the schematic diagram of the embodiment of anti-dazzle transparent panel of the present invention;
Fig. 2 is an A portion enlarged drawing among Fig. 1;
Fig. 3 is the cut-away view of the embodiment of anti-dazzle light fixture of the present invention;
Fig. 4 is the front view of the embodiment of anti-dazzle light fixture of the present invention;
Fig. 5 a is the lamp surface brightness simulate effect figure of the embodiment of anti-dazzle light fixture of the present invention;
Fig. 5 b be anti-dazzle light fixture of the present invention embodiment lamp surface vertically and the intensity map of horizontal direction.
The specific embodiment
As depicted in figs. 1 and 2, an embodiment for anti-dazzle transparent panel of the present invention, in the present embodiment, transparent panel 1 is a rectangular flat, transparent panel 1 have first surface 11 and with first surface 11 opposing second surface 12, have some the strip projected parts that are parallel to each other 111 on the first surface 11, have some the strip projected parts that are parallel to each other 121 on the second surface, strip projected parts 111 on the first surface 11 is in a certain angle with the strip projected parts 12 on the second surface 12, in the present embodiment, strip projected parts 111 is 90 degree angles with strip projected parts 121.In the present embodiment, the strip projected parts 111 on the first surface 11 and the cross section of the strip projected parts 121 on the second surface 12 all are circular arc, and the adjacent setting of adjacent strip projected parts, and be very close to each other between the promptly adjacent strip projected parts.
The light that spot light, especially high-power LED light source send is approximately surface source luminescence after transparent panel 1 refraction, because brightness and reflective area are directly proportional, after light-emitting area becomes greatly, reduced the local luminance of led light source, can effectively prevent dazzle.Anti-dazzle transparent panel of the present invention is not only applicable to led light source, is equally applicable to other spot light, and perhaps other have the light source of anti-dazzle requirement.
In the present embodiment, transparent panel 1 global shape is for for rectangular flat, but anti-dazzle transparent panel of the present invention is not limited to above-mentioned shape, can do other shapes such as circular, ellipse according to the shape of light fixture.Anti-dazzle transparent panel of the present invention also is not limited to flat board, also can make the curved slab that has radian as required.
In the present embodiment, the angle of strip projected parts 111 on the first surface 11 and the strip projected parts 121 on the second surface 12 is 90 degree.In the practical application, the strip projected parts 111 on the first surface 11 of anti-dazzle transparent panel 1 of the present invention and the angle of the strip projected parts 121 on the second surface 12 are not limited to above-mentioned angle, can be 10 degree, 45 degree, or the arbitrary value of 10 degree to the 90 degree scopes.
In the present embodiment, the lateral cross section of strip projected parts 111 on the first surface 11 and the strip projected parts 121 on the second surface 12 all is a circular arc.In the practical application, the strip projected parts 121 on the first surface 11 of anti-dazzle transparent panel 1 of the present invention on strip projected parts and/or the second surface 12 also can be triangle, perhaps other shapes.
Strip projected parts adjacent in the strip projected parts 121 on the first surface 11 of anti-dazzle transparent panel 1 of the present invention on strip projected parts and/or the second surface 12 also can certain at interval distance be provided with.Strip projected parts 121 on the first surface 11 on strip projected parts and/or the second surface 12 can evenly be arranged, and also can inhomogeneously arrange.
The anti-dazzle transparent panel of present embodiment can adopt glass or Merlon (PC, Polycarbonate) or polymethyl methacrylate transparent materials such as (PMMA) make.Because it is consistent that the lip-deep strip projected parts of each of transparent panel 1 is arranged, structure is simple relatively, is reducing difficulty of processing and processing cost aspect processing mold design and the making.
The first surface of anti-dazzle transparent panel of the present invention and second surface have the strip projected parts that forms an angle, and can effectively reduce the brightness of spot light, and the light that the anaclasis that spot light is sent becomes similar area source to send can effectively solve glare problem.
As shown in Figure 3 and Figure 4, for having the anti-dazzle light fixture of anti-dazzle transparent panel 1 of the present invention, this light fixture adopts led light source as light source.As shown in the figure, led light source 3 is installed in the housing 2, anti-dazzle transparent panel 1 is positioned at the place ahead of led light source, anti-dazzle transparent panel is fixed on the openend of housing 2, first 11 or second 12 of anti-dazzle transparent panel 1 can be as plane of light incidence, promptly first 11 still be second 12 all can be over against the led light source setting.In the present embodiment, the bottom surface of housing is a rectangle, more specifically, is square, and 7 * 7=49 power is arranged is the led light source of 1W to array distribution on it.
Fig. 5 a and Fig. 5 b are the surface brightness simulation drawing of the anti-dazzle light fixture of present embodiment, and by Fig. 5 a as can be seen, the surface brightness of light fixture is more even; By Fig. 5 b as can be seen, brightness roughly is cosine shape in the distribution of vertical and horizontal direction, and whole light fixture is the cosine illuminator haply, i.e. lambert's illuminator.Whole light fixture has good antiglare effect.The brightness of actual measurement lamp surface is 7900cd/m
2, approach the brightness of traditional fluorescent lamp tube.
In the present embodiment, led light source 3 adopts high-power LEDs, can be that direct-current LED also can AC LED, and by housing 2 heat radiations, the circuit control system of LED can place in the housing 2, also can place the outside of housing 2.
The shape of anti-dazzle light fixture of the present invention is not limited to the shape with the foregoing description, and light source also just can adopt single LEDs, is not limited to the form of array.
In conjunction with the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (13)
1. anti-dazzle transparent panel, described transparent panel has first surface, and with the first surface opposing second surface, it is characterized in that, described first surface has some the strip projected parts that are parallel to each other, described second surface has some the strip projected parts that are parallel to each other, and strip projected parts on the described first surface and the strip projected parts on the second surface are certain included angle.
2. anti-dazzle transparent panel according to claim 1 is characterized in that, the scope of described angle is 10～90 degree.
3. anti-dazzle transparent panel according to claim 1 is characterized in that, described angle is 90 degree.
4. according to the described anti-dazzle transparent panel of claim 1 to 3, it is characterized in that the lateral cross section of described strip projected parts is a circular arc, or triangle.
5. anti-dazzle transparent panel according to claim 4 is characterized in that, the strip projected parts on the described first surface is distributed on the described first surface, and the strip projected parts on the described second surface is distributed on the described second surface.
6. anti-dazzle transparent panel according to claim 5 is characterized in that, described transparent panel global shape is dull and stereotyped or has the curved slab of radian.
7. anti-dazzle transparent panel according to claim 5 is characterized in that, in the strip projected parts on the described first surface, adjacent strip projected parts keeps at a certain distance away.
8. anti-dazzle transparent panel according to claim 5 is characterized in that, in the strip projected parts on the described second surface, adjacent strip projected parts keeps at a certain distance away.
9. anti-dazzle transparent panel according to claim 5 is characterized in that, in the strip projected parts on the described first surface, and the adjacent setting of adjacent strip projected parts.
10. anti-dazzle transparent panel according to claim 5 is characterized in that, in the strip projected parts on the described second surface, and the adjacent setting of adjacent strip projected parts.
11. anti-dazzle transparent panel according to claim 5 is characterized in that, the material of described transparent panel is Merlon, polymethyl methacrylate or glass.
12. an anti-dazzle light fixture comprises housing, places the led light source in the housing, it is characterized in that also comprise each described anti-dazzle transparent panel of claim 1-11, described anti-dazzle transparent panel is positioned at the place ahead of described led light source.
13. anti-dazzle light fixture according to claim 12 is characterized in that described housing has a rectangular bottom surface, described led light source is a plurality of, and described led light source array is on the bottom surface of described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010104074A CN101846284A (en) | 2010-01-27 | 2010-01-27 | Anti-dazzle transparent plate and anti-dazzle lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010104074A CN101846284A (en) | 2010-01-27 | 2010-01-27 | Anti-dazzle transparent plate and anti-dazzle lamp |
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| Publication Number | Publication Date |
|---|---|
| CN101846284A true CN101846284A (en) | 2010-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010104074A Pending CN101846284A (en) | 2010-01-27 | 2010-01-27 | Anti-dazzle transparent plate and anti-dazzle lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421844A (en) * | 2013-09-03 | 2015-03-18 | 深圳市海洋王照明工程有限公司 | Lamp and transparent part thereof |
| CN108224364A (en) * | 2018-03-01 | 2018-06-29 | 袁佳 | The LED lamp of Optical devices and the application Optical devices |
-
2010
- 2010-01-27 CN CN201010104074A patent/CN101846284A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421844A (en) * | 2013-09-03 | 2015-03-18 | 深圳市海洋王照明工程有限公司 | Lamp and transparent part thereof |
| CN108224364A (en) * | 2018-03-01 | 2018-06-29 | 袁佳 | The LED lamp of Optical devices and the application Optical devices |
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Application publication date: 20100929 |