CN102537848B - Floodlight reflector, floodlight and illuminating equipment - Google Patents
Floodlight reflector, floodlight and illuminating equipment Download PDFInfo
- Publication number
- CN102537848B CN102537848B CN201010612770.3A CN201010612770A CN102537848B CN 102537848 B CN102537848 B CN 102537848B CN 201010612770 A CN201010612770 A CN 201010612770A CN 102537848 B CN102537848 B CN 102537848B
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- Prior art keywords
- floodlight
- reflector
- endless belt
- reflecting surface
- light
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- 230000003746 surface roughness Effects 0.000 claims abstract description 13
- 238000000889 atomisation Methods 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005286 illumination Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Abstract
The invention is suitable for the field of illumination, and provides a floodlight reflector. The floodlight reflector comprises a paraboloidal reflecting surface, wherein a through hole for a light source to pass through is formed in the bottom of the reflector; a plurality of floodlight annular belts which are seamlessly connected are attached to the reflecting surface from the bottom; each floodlight annular belt is formed by seamlessly connecting a plurality of floodlight plane units; a diffuse reflection layer is arranged on the part of the reflecting surface, which is not provided with the floodlight annular belts; and the surface roughness of the floodlight annular belts is higher than that of the diffuse reflection layer. The floodlight annular belts consisting of the floodlight plane units are arranged on the reflecting surface of the floodlight reflector, and the surface roughness of the floodlight annular belts is higher than that of other parts of the reflecting surface; and the floodlight plane units can reflect light rays to different directions and perform light mixing, the light rays can be further scattered due to high roughness of the floodlight plane units, so that light mixing uniformity is increased, light spots are effectively eliminated, and large-scale uniform illumination is realized.
Description
Technical field
The invention belongs to lighting field, relate in particular to a kind of floodlight reflector, floodlight and lighting apparatus.
Background technology
Current common LED light fixture, its reflector is mostly the structure of circular symmetry, the direct polishing oxidation of reflecting surface, the radial light that light source sends directly reflects away through reflector, on face to be illuminated, form bright circular light spot, but this light fixture is not suitable for room lighting, because the existence of hot spot makes the brightness irregularities in lighting space.Existing room lighting is provided with diffusive reflective film with the reflector surface of LED light fixture, light can be projected away with multiple angles, can desalinate hot spot, but can't thoroughly eliminate hot spot, still has the problem of lighting space brightness disproportionation.
Summary of the invention
The object of the present invention is to provide a kind of floodlight reflector, be intended to solve the problem of existing indoor lamp brightness of illumination inequality.
The present invention realizes like this, a kind of floodlight reflector, the reflecting surface that comprises parabolic shape, the bottom of described reflector offers the through hole passing for light source, described reflecting surface is set up the floodlight endless belt of a plurality of seamless links from bottom, and each floodlight endless belt is formed by the seamless link of a plurality of floodlight flat unit; Part on described reflecting surface except floodlight endless belt is provided with diffuse reflector; The surface roughness of described floodlight endless belt is higher than the surface roughness of described diffuse reflector.
Each floodlight endless belt comprises the trapezoidal floodlight flat unit of equal number, and two trapezoidal hypotenuse angles are 9～10 °;
Total vertical height of described floodlight endless belt equals 1/2nd of described reflecting surface vertical height;
The vertical height of each floodlight endless belt equates.
Another object of the present invention is to provide a kind of floodlight, comprise reflector, described reflector is above-mentioned floodlight reflector.
Another object of the present invention is to provide a kind of lighting apparatus, described lighting apparatus comprises above-mentioned floodlight.
The present invention arranges the floodlight endless belt consisting of floodlight flat unit on the reflecting surface of floodlight reflector, and makes the surface roughness of floodlight endless belt be greater than the roughness of other parts of reflecting surface.A plurality of floodlight flat units can reflect light to different directions, carry out mixed light, again because floodlight flat unit has higher roughness, make light by further scattering, increase the uniformity of mixed light, effectively eliminated hot spot, realized large-scale Uniform Illumination.
Accompanying drawing explanation
Fig. 1 is the perspective view of the floodlight reflector that provides of first embodiment of the invention;
Fig. 2 is the cross-sectional view of the floodlight reflector that provides of first embodiment of the invention;
Fig. 3 is the plan structure schematic diagram of the floodlight reflector that provides of first embodiment of the invention;
Fig. 4 is the distribution curve flux schematic diagram of the floodlight reflector that provides of third embodiment of the invention.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of floodlight reflector, the reflecting surface that comprises parabolic shape, the bottom of reflector offers the through hole passing for light source, and reflecting surface is set up the floodlight endless belt of a plurality of seamless links from bottom, and each floodlight endless belt is formed by the seamless link of a plurality of floodlight flat unit; Part on reflecting surface except floodlight endless belt is provided with diffuse reflector; The surface roughness of floodlight endless belt is higher than the surface roughness of diffuse reflector.
The present invention arranges the floodlight endless belt consisting of floodlight flat unit on the reflecting surface of floodlight reflector, and makes the surface roughness of floodlight endless belt be greater than the roughness of other parts of reflecting surface.A plurality of floodlight flat units can reflect light to different directions, carry out mixed light, again because floodlight flat unit has higher roughness, make light by further scattering, increase the uniformity of mixed light, effectively eliminated hot spot, realized large-scale Uniform Illumination.
The present invention also provides a kind of floodlight, comprises reflector, and this reflector is above-mentioned floodlight reflector.
The present invention also provides a kind of lighting apparatus, and this lighting apparatus comprises above-mentioned floodlight.
Below in conjunction with specific embodiment, specific implementation of the present invention is described in detail:
embodiment mono-:
Fig. 1 shows the perspective view of the floodlight reflector that first embodiment of the invention provides, Fig. 2 shows the cross-sectional view of the floodlight reflector that first embodiment of the invention provides, Fig. 3 shows the plan structure schematic diagram of the floodlight reflector that first embodiment of the invention provides, for convenience of explanation, only show the part relevant to the present embodiment.
This floodlight reflector has the reflecting surface 1 that is parabolic shape, in the bottom of this reflector, offers through hole 2, and light source, through this through hole, is positioned on the central shaft of reflector just, and the light that light source sends penetrates light fixture after reflecting surface 1 reflection, for illumination.In order effectively to eliminate hot spot, improve the floodlight effect of reflector, on reflecting surface 1, be provided with floodlight endless belt 11, the part on reflecting surface except floodlight endless belt is provided with diffuse reflector (not shown).Floodlight endless belt 11 is that a plurality of endless belt that close proximity arranges are successively played upwards in the bottom of self-reflection face 1, and each endless belt is closely connected and forms by several small-sized floodlight flat units 111.And the surface roughness of floodlight endless belt 11 is greater than the roughness of diffuse reflector on reflecting surface.The light that light source sends, a part of directive floodlight endless belt 11 wherein, a plurality of floodlight flat units 111 reflect light to space different directions, carry out mixed light, and on this basis, because floodlight flat unit 111 has higher surface roughness, can be by the further scattering of light, increase its floodlight angle, improve mixed uniformity of light.Another part light is directly reflected the diffuse reflector reflection of face, mixes, for the interior space provides uniform illuminating ray with the light through 11 reflections of floodlight endless belt.
Reflector described in the present embodiment can make emergent ray carry out full and uniform mixing, eliminates illumination hot spot, makes the brightness in lighting space more even.
In the present embodiment, the shape of this floodlight flat unit 111 can be trapezoidal, and a plurality of trapezoidal floodlight flat unit seamless links, form a floodlight endless belt 11.This floodlight flat unit 111 can also be rectangle, and abundant rectangle floodlight flat unit seamless link, also can form floodlight endless belt 11, can also be other shapes certainly.
As a kind of preferred implementation of the present embodiment, being shaped as of this floodlight flat unit 111 is trapezoidal, so that processing and floodlight effect are better.Be appreciated that two hypotenuse inclined degrees of each floodlight flat unit 111 are larger when forming the trapezoidal floodlight flat unit of an endless belt when less, global shape presents significantly trapezoidal; When the trapezoidal floodlight flat unit 111 of each endless belt is more, two hypotenuses of floodlight flat unit are approximate parallel, and global shape is close to rectangle.
In the present embodiment, floodlight endless belt 11 can be made like this, and first the mode by pressing formation forms a plurality of small plane units on reflecting surface, makes it to form a plurality of endless belt of close proximity, then this endless belt is carried out to sandblast atomization processing, obtains floodlight endless belt 11.Wherein, the material adopting in sandblast atomization processing procedure can be 70-90# molybdenum ore, to obtain the floodlight layer that roughness is higher.
As a kind of preferred implementation of the present embodiment, can carry out polishing oxidation to the inner surface of reflector, then carry out slight blasting treatment, to form above-mentioned diffuse reflector.Then adopt 80# molybdenum ore to carry out sandblast atomization processing to the endless belt being formed by small plane unit, form floodlight endless belt 11.
In the present embodiment, the light-emitting window edge of this floodlight reflector can be provided with along limit 3, the through hole edge of reflector bottom can also be provided with ring-shaped component 4, above-mentioned along limit 3 and ring-shaped component 4 can with the agent structure one-shot forming of reflector, be mainly used to realize between other elements of reflector and light fixture being connected and fixing.
embodiment bis-:
In the present embodiment, can further limit the concrete structure of floodlight endless belt 11, further to improve floodlight effect.
Wherein, the overall height of floodlight endless belt 11 can be reflecting surface height 1/2nd in.Specifically can comprise 2 or more endless belt.The height of each endless belt can be equal or approximately equalised, can be highly specifically 3～5mm.
In the present embodiment, each endless belt can comprise the trapezoidal floodlight flat unit 111 of equal number, and the neighbouring mutual contraposition setting of floodlight flat unit 111, and the hypotenuse of its homonymy is conllinear (as shown in Figure 3), this structure is not only beneficial to mixed light, and is relatively convenient to processing and fabricating.
In the present embodiment, two hypotenuse angles of each trapezoidal floodlight flat unit 111 can be 9～10 °.
embodiment tri-:
Fig. 4 shows the distribution curve flux schematic diagram of the floodlight reflector that third embodiment of the invention provides, and for convenience of explanation, only shows the part relevant to the present embodiment.
In the present embodiment, the light-emitting window diameter 45～50mm of this floodlight reflector, the height of reflector is 22～25mm approximately.Meanwhile, the height of floodlight endless belt 11 is set to 1/2nd of reflecting surface height, comprises 3 endless belt that are highly 3mm, and each endless belt comprises 40 trapezoidal floodlight flat units 111.And floodlight endless belt 11 is to adopt 80 order sand to carry out after sandblast atomization is processed forming.
As shown in Figure 4, figure comprises 0 °/180 ° of the first curve C to the distribution curve flux of above-mentioned reflector, and 90 °/270 ° of the second curve C, wherein, the first curve and the second curve approximation overlap, and half light intensity value is 200cd left and right, half light intensity angle is 60 ° of left and right, light fixture apart from height ratio, be 1.25.From distribution curve flux, can find out, the light distribution effect of this reflector is better, and spatial light intensity distribution uniform can effectively be avoided hot spot phenomenon, realizes large-scale Uniform Illumination.
The present invention arranges the floodlight endless belt consisting of floodlight flat unit on the reflecting surface of floodlight reflector, and makes the surface roughness of floodlight endless belt be greater than the roughness of other parts of reflecting surface.A plurality of floodlight flat units can reflect light to different directions, carry out mixed light, again because floodlight flat unit has higher roughness, make light by further scattering, increase the uniformity of mixed light, effectively eliminated hot spot, realized large-scale Uniform Illumination.The height of floodlight endless belt is defined as to 1/2nd of reflecting surface height, and adopts 80# molybdenum ore to carry out sandblast atomization processing to endless belt, can further improve floodlight uniformity, realize large-scale Uniform Illumination.Floodlight reflector provided by the invention can be used as the reflector of floodlight for room lighting, and this floodlight can be used as lighting source separately, and also the illuminating part as a kind of lighting apparatus is used.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a floodlight reflector, the reflecting surface that comprises parabolic shape, the bottom of described reflector offers the through hole passing for light source, it is characterized in that, described reflecting surface is set up the floodlight endless belt of a plurality of seamless links from bottom, and each floodlight endless belt is formed by the seamless link of a plurality of floodlight flat unit; Part on described reflecting surface except floodlight endless belt is provided with diffuse reflector; The surface roughness of described floodlight endless belt is higher than the surface roughness of described diffuse reflector;
Each floodlight endless belt comprises the trapezoidal floodlight flat unit of equal number, and two trapezoidal hypotenuse angles are 9～10 °;
And the mutual contraposition setting of neighbouring floodlight flat unit, the hypotenuse of its homonymy is conllinear;
Total vertical height of described floodlight endless belt equals 1/2nd of described reflecting surface vertical height;
The vertical height of each floodlight endless belt equates.
2. floodlight reflector as claimed in claim 1, is characterized in that, described floodlight flat unit has the rough surface that adopts 70～90# molybdenum ore to carry out sandblast atomization processing formation.
3. floodlight reflector as claimed in claim 1, is characterized in that, the vertical height of each floodlight endless belt is 3～5mm.
4. floodlight reflector as claimed in claim 1, is characterized in that, the edge of the light-emitting window of described floodlight reflector is provided with outward extending along limit.
5. a floodlight, comprises reflector, it is characterized in that, described reflector is the floodlight reflector described in claim 1 to 4 any one.
6. a lighting apparatus, is characterized in that, described lighting apparatus comprises floodlight claimed in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010612770.3A CN102537848B (en) | 2010-12-29 | 2010-12-29 | Floodlight reflector, floodlight and illuminating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010612770.3A CN102537848B (en) | 2010-12-29 | 2010-12-29 | Floodlight reflector, floodlight and illuminating equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102537848A CN102537848A (en) | 2012-07-04 |
| CN102537848B true CN102537848B (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010612770.3A Expired - Fee Related CN102537848B (en) | 2010-12-29 | 2010-12-29 | Floodlight reflector, floodlight and illuminating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102537848B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101405539A (en) * | 2006-04-06 | 2009-04-08 | 通用电气公司 | High-intensity discharge lamp for spot lighting |
| CN101737634A (en) * | 2008-11-06 | 2010-06-16 | 海洋王照明科技股份有限公司 | Focus and flood lamp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991001468A1 (en) * | 1989-07-17 | 1991-02-07 | Vyatlan Pty. Ltd. | Improvements in downlights |
| DE502004006591D1 (en) * | 2004-09-14 | 2008-04-30 | Flowil Int Lighting | reflector lamp |
-
2010
- 2010-12-29 CN CN201010612770.3A patent/CN102537848B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101405539A (en) * | 2006-04-06 | 2009-04-08 | 通用电气公司 | High-intensity discharge lamp for spot lighting |
| CN101737634A (en) * | 2008-11-06 | 2010-06-16 | 海洋王照明科技股份有限公司 | Focus and flood lamp |
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| Publication number | Publication date |
|---|---|
| CN102537848A (en) | 2012-07-04 |
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Granted publication date: 20140430 Termination date: 20181229 |