CN202884591U - Illumination lamp - Google Patents
Illumination lamp Download PDFInfo
- Publication number
- CN202884591U CN202884591U CN 201220553456 CN201220553456U CN202884591U CN 202884591 U CN202884591 U CN 202884591U CN 201220553456 CN201220553456 CN 201220553456 CN 201220553456 U CN201220553456 U CN 201220553456U CN 202884591 U CN202884591 U CN 202884591U
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- China
- Prior art keywords
- light
- microprism
- light guide
- guide member
- angle
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- Expired - Fee Related
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to an illumination lamp which comprises a light source and a casing. The light source is installed in the casing, a light guide component is arranged at a light outlet of the casing, and a microprism array is arranged on the light guide component. By means of the light guide component with the microprism array, light sent out from the light source is reflected by the microprism array of the light guide component, an angle of the light is reduced, particularly the angle of the light in a big angle direction is reduced, accordingly light source light colleting effects are achieved, light quantity in the big angle direction is effectively reduced, and glares of the lamp are reduced even removed.
Description
Technical field
The utility model relates to a kind of light fixture, relates in particular to a kind of lighting.
Background technology
In the visual field, there is unfavorable Luminance Distribution, perhaps when there are strong brightness contrast in time or space, will produces dazzle.Dazzle is one of major reason that causes visual fatigue.For the overwhelming majority's light source, its light substantially all is lambert's type, and in larger angle of emergence direction, luminous flux is still larger, and this part light will produce comparatively serious dazzle.
The utility model content
Technical problem to be solved in the utility model provides a kind of lighting of anti-dazzle.
In order to solve above technical problem, lighting of the present utility model comprises light source and housing, and described light source is installed in the described housing, and the light-emitting window of described housing is provided with light guide member, and described light guide member is provided with for the microprism array that draws light in.
Preferably, the microprism angle of the microprism unit of described microprism array is A, 30 °≤A≤60 °.
Preferably, 45 °≤A≤50 °.
Preferably, the base area of the microprism unit of described microprism array is B, 0.1 square millimeter≤B≤10 square millimeters.
Preferably, the thickness of described light guide member is C, 1 millimeter≤C≤5 millimeters.
Preferably, the microprism unit of described microprism array is taper shape, rectangular pyramid shape or hexagonal pyramid shape.
Preferably, the microprism unit of described microprism array is formed at one of them surface of described light guide member in the mode of projection or depression.
Preferably, the material of described light guide member is PMMA or PC.
Preferably, described light source is LED.
Preferably, described lighting is Down lamp, and described housing is the heat-dissipating casing of described Down lamp.
Be provided with the light guide member of microprism array by setting, after the microprism array refraction of the light that light source penetrates through light guide member, the angle of its light will be reduced, especially the angle of the light of wide-angle direction will be reduced, thereby play the effect of drawing source light in, effectively reduce the luminous flux of wide-angle direction, thereby alleviate even eliminate the dazzle of light fixture.
Description of drawings
Fig. 1 is the schematic diagram of a kind of embodiment of lighting of the present utility model;
Fig. 2 is the enlarged drawing of local A among Fig. 1;
Fig. 3 is the cutaway view of lighting among Fig. 1;
Fig. 4 is that light is through the path schematic diagram of microprism unit.
The specific embodiment
At first need to prove, the side that the microprism angle of mentioning in the utility model refers to the microprism unit is with through the summit of microprism unit and with the angle between the vertical straight line in the bottom surface of microprism unit.
Shown in Fig. 1-4, comprise light source 3 and housing 1 as the Down lamp of a kind of embodiment of the utility model, described light source 3 is installed in the described housing 1.In the present embodiment, described light source 3 is LED, and it is fixedly installed on the aluminium base 2, described aluminium base 2 by screw lock on housing 1.Also be provided with reflector 5 and diffuser plate 6 in the described housing 1.The light-emitting window of described housing 1 is provided with light guide member 7, and described light guide member 7 is fixedly installed to housing 1 by pressure ring 8.Described pressure ring 8 can be threaded connection with described housing 1, and perhaps both also can be connected by screw, and perhaps both connect by modes such as buckles.Described light guide member 7 is provided with the microprism array that is made of microprism unit 71.Preferably, the microprism angle of the microprism unit of described microprism array is A, 30 °≤A≤60 °.Through experiment confirm, when A＜30 ° or A＞60 °, the light of wide-angle " is narrowed " although have greatly, can play the effect of certain reduction dazzle, but still have the angle of part light larger, namely still have certain luminous flux in the wide-angle direction, also have certain dazzle.When 30 °≤A≤60 °, the high angle scattered light of the overwhelming majority are narrowed, and are very low at wide-angle direction luminous flux, can play the effect of good anti-dazzle.More preferably, 45 °≤A≤50 °, lower at the luminous flux of wide-angle direction in this scope, the anti-dazzle better effects if.In the present embodiment, A=47.5 °, certainly, A also can be 30 °, 35 °, 40 °, 45 °, 50 °, 55 ° or 60 °.The base area of the microprism unit of described microprism array is B, 0.1 square millimeter≤B≤10 square millimeters.When B＜0.1 square millimeter, the microprism array of light guide member is difficult for processing; When B＞10 square millimeter, will cause the light guide member integral thickness excessive, cause the unnecessary rising of cost; When 0.1 square millimeter≤B≤10 square millimeter, light guide member is easily processing both, and its thickness is also comparatively suitable, and cost is lower.In the present embodiment, B=0.5 square millimeter.The thickness of described light guide member is C, 1 millimeter≤C≤5 millimeters.In the present embodiment, C=2 millimeter.In the present embodiment, as shown in Figure 2, described microprism unit 71 is rectangular pyramid shape, and namely being the bottom surface is foursquare pyramid.Need to prove, in the present embodiment, described microprism angle be the side of described rectangular pyramid with through the summit of rectangular pyramid and with the angle between the vertical straight line in the bottom surface of rectangular pyramid, its numerical value is half of angle between two relative sides of rectangular pyramid.In the present embodiment, the microprism unit 71 of described microprism array is formed at one of them surface of described light guide member 7 in the mode of projection, as simple deformation, described microprism unit 71 also can be formed in the mode of depression a surface of light guide member 7.In the present embodiment, the material of described light guide member is PMMA, as other selections, also can be PC or other materials.
As shown in Figure 4, be provided with the light guide member of microprism array by setting, after light a, the b that light source penetrates, c, d, the microprism array refraction of e through light guide member, the angle of its light is reduced, drawn in formation light a ', b ', c ', d ', e ', especially the angle of the light of wide-angle direction will be reduced, thereby play the effect of drawing source light in, effectively reduce the luminous flux of wide-angle direction, thereby alleviate even eliminate the dazzle of light fixture.Need to prove, in this application, the angle of light refers to light and perpendicular to the angle between the straight line of light fixture exiting surface, in the present embodiment, the angle of light is that light is followed perpendicular to the angle between the straight line of light guide member 7.
Claims (10)
1. a lighting comprises light source and housing, and described light source is installed in the described housing, and the light-emitting window of described housing is provided with light guide member, and described light guide member is provided with for the microprism array that draws light in.
2. lighting according to claim 1 is characterized in that, the microprism angle of the microprism unit of described microprism array is A, and the scope of described microprism angle A is: 30 °≤A≤60 °.
3. lighting according to claim 2 is characterized in that, 45 °≤A≤50 °.
4. lighting according to claim 1 is characterized in that, the base area of the microprism unit of described microprism array is B, 0.1 square millimeter≤B≤10 square millimeters.
5. lighting according to claim 1 is characterized in that, the thickness of described light guide member is C, 1 millimeter≤C≤5 millimeters.
6. lighting according to claim 1 is characterized in that, the microprism unit of described microprism array is taper shape, rectangular pyramid shape or hexagonal pyramid shape.
7. lighting according to claim 1 is characterized in that, the microprism unit of described microprism array is formed at one of them surface of described light guide member in the mode of projection or depression.
8. lighting according to claim 1 is characterized in that, the material of described light guide member is PMMA or PC.
9. lighting according to claim 1 is characterized in that, described light source is LED.
10. lighting according to claim 1 is characterized in that, described lighting is Down lamp, and described housing is the heat-dissipating casing of described Down lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220553456 CN202884591U (en) | 2012-10-26 | 2012-10-26 | Illumination lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220553456 CN202884591U (en) | 2012-10-26 | 2012-10-26 | Illumination lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884591U true CN202884591U (en) | 2013-04-17 |
Family
ID=48076016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220553456 Expired - Fee Related CN202884591U (en) | 2012-10-26 | 2012-10-26 | Illumination lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884591U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344239A (en) * | 2013-07-30 | 2015-02-11 | 鸿富锦精密工业（深圳）有限公司 | Light emitting diode tube |
| CN107167856A (en) * | 2017-04-25 | 2017-09-15 | 欧普照明股份有限公司 | Prism diffuser plate, prism diffuser plate preparation method and light fixture |
-
2012
- 2012-10-26 CN CN 201220553456 patent/CN202884591U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104344239A (en) * | 2013-07-30 | 2015-02-11 | 鸿富锦精密工业（深圳）有限公司 | Light emitting diode tube |
| CN107167856A (en) * | 2017-04-25 | 2017-09-15 | 欧普照明股份有限公司 | Prism diffuser plate, prism diffuser plate preparation method and light fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20201026 |