CN103196061B - A kind of anti-glare LED down lamp - Google Patents
A kind of anti-glare LED down lamp Download PDFInfo
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- CN103196061B CN103196061B CN201310137181.8A CN201310137181A CN103196061B CN 103196061 B CN103196061 B CN 103196061B CN 201310137181 A CN201310137181 A CN 201310137181A CN 103196061 B CN103196061 B CN 103196061B
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- diffuser
- radiator
- cup
- reflector
- fixed cup
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Abstract
A kind of anti-glare LED down lamp, comprises radiator, LED luminous plaque, fixed cup, inner ring reflector, diffuser and Lamp cup; Described diffuser is located on the diffuser installation position of Lamp cup endoporus, and diffuser minimum point higher than outer shroud reflector bottom; Fixed cup is located on the upside of diffuser, and its bottom and diffuser upper end are pasted and touched; Inner ring reflector is located at the inner side of fixed cup, and its upper end, lower than the upper end of fixed cup, adapts inside its bottom and fixed cup; Radiator is arranged on the upper end of fixed cup, and the bottom of radiator is located at by LED luminous plaque.By adopting this programme, when the light that LED luminous plaque sends penetrates from diffuser, due to diffuser minimum point higher than outer shroud reflector bottom, outer shroud reflector blocks a part and penetrates peripherad light, control the region that light irradiates, decrease dazzle, there is the advantages such as structure is simple, good looking appearance, antiglare effect are obvious.
Description
Technical field
The invention belongs to technical field of LED illumination, be specifically related to a kind of LED down with more excellent anti-dazzle effect.
Background technology
LED down and traditional Down lamp contrast and have the following advantages: energy-conservation, low-carbon (LC), longevity, colour rendering are good, fast response time, the design of LED down is more lightly attractive in appearance, the entirety keeping building decoration can be reached unified and perfect during installation, do not destroy the setting of light fixture, light source hides building decoration inside, the good visual effect of people.But the feature due to LED light source is directional lighting, so it is comparatively concentrated to be used in the light that LED down sends, uneven illumination in range of exposures can be caused all to produce dazzling dazzle.
A kind of LED down (application number: the lampshade 2010206335378.6) proposing to use hemispherical or semielliptical shape with inner lampshade of Chinese patent, lampshade adopts the transparent abrasive material of PMMA that light transmittance is high, the light that LED light source component is sent soft and be evenly distributed ground transmission go out, reduce dazzle simultaneously.Lamp cup is by the bent bus revolving body of the cup-shaped of a thin-shell type, the light that lampshade can be made to transmit rising angle directive irradiation area desirably, and Lamp cup inner surface through machine glazed finish to mirror effect, effectively reduce the loss of luminous flux.The form defect of this structure is that its complex structure well cannot control rising angle, and Lamp cup inner surface is through machine glazed finish to mirror effect, although effectively can reduce the loss of light energy, the light reflected still can produce dazzling dazzle.
Therefore be necessary that a kind of novel LED down of invention is to solve the problem.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide one to have anti-dazzle function, and the simple LED down of structure.
In order to achieve the above object, the present invention by the following technical solutions: a kind of anti-glare LED down lamp, comprises radiator, LED luminous plaque, fixed cup, inner ring reflector, diffuser and Lamp cup; Described inner ring reflector is truncated cone-shaped hollow structure, is reflective surface inside it; Described diffuser is the housing of curved surface, and the center of its outside curve is the minimum point of diffuser; The endoporus bottom of described Lamp cup is provided with outer shroud reflector, and its shape is the arc-shaped curved surface expanded downwards, and the top of its endoporus is provided with diffuser installation position;
Described diffuser is arranged on the diffuser installation position of Lamp cup endoporus, and diffuser minimum point higher than outer shroud reflector bottom; Fixed cup is arranged on the upside of diffuser, and its bottom and diffuser upper end are pasted and touched; Inner ring reflector is arranged on the inner side of fixed cup, and its upper end, lower than the upper end of fixed cup, adapts inside its bottom and fixed cup; Radiator is arranged on the upper end of fixed cup, and LED luminous plaque is arranged on the bottom of radiator.
By adopting this programme, when the light that LED luminous plaque sends penetrates from diffuser, due to diffuser minimum point higher than outer shroud reflector bottom, outer shroud reflector blocks a part and penetrates peripherad light, control the region that light irradiates, decrease dazzle, there is the advantages such as structure is simple, good looking appearance, antiglare effect are obvious.
Preferably, the minimum point of described diffuser and outer shroud reflector line bottom and horizontal angle angle are θ, 20 degree≤θ≤30 degree.
This improvement project is by controlling the shooting angle of light, and the light collocation in different angles direction is to realize the effect reducing dazzle.First by controlling the angle of described angle theta, accurately can control the range of exposures of LED down, when angle theta is 25 degree, antiglare effect is best.Can be penetrated after multiple reflections in inner ring reflector from the light of diffuser injection by the some light that inner ring reflector blocks, this some light becomes soft after multiple reflections, reduces dazzle again.
Next is that the angle of observing is considered, if light fixture irradiates vertically downward, human eye average height is overhead 1.5m, light fixture rational height about 3m, now by can be calculated the general OK range of θ, i.e. so-called anti-dazzle angle of cut-off, the service condition geared to actual circumstances very much.
Preferably, described diffuser is the housing of sphere curved surface, and it is highly 1/3 ~ 1/2 of described sphere curved surface radius.
When the light that LED luminous plaque sends arrives diffuser, to all directions diffusion injection of sphere curved surface, reduce the brightness on diffuser injection surface, make light become soft, evenly luminous, there is the effect of anti-dazzle.
Preferably, the top of described Lamp cup is cylindrical tube, and its side has passage, and the bottom of cylindrical shell is located in described diffuser installation position.
Air forms convection current by passage and radiator, accelerates the flowing of internal gas, improves radiating efficiency, also extends the life-span of inner ring reflector and LED luminous plaque simultaneously.
Preferably, the surface of described outer shroud reflector, can production diffuse reflection when LED light line is irradiated to through frosted process, makes light become soft, reduces dazzle simultaneously.
Preferably, described radiator is provided with radiator cover, and side and the upper surface of radiator cover all have louvre, and bottom and the Lamp cup top of radiator cover are threaded connection.
Under duty; gas louvre from the side flows to the louvre of upper surface; accelerate the circulation of gas; improve radiating efficiency; radiator cover plays protective effect simultaneously; prevent people from directly contacting radiator, the electrostatic of human body causes damage by radiator to LED luminous plaque, prevents from people under abnormal conditions from contacting because of carelessness causing scalding or getting an electric shock simultaneously.Structural design of the present invention is closed compact, in radiator, LED luminous plaque, fixed cover, inner ring reflector are integrally fixed on space that heat dissipating housing and Lamp cup limit.
Preferably, the openend of described diffuser is provided with planar annular, and the outside of described planar annular is greater than the diameter of diffuser openend, and described diffuser installation position is the screens plane of annular, and the planar annular of described diffuser matches with screens plane.
Under duty, because diffuser is installed downwards from top, planar annular coordinates with screens plane, and described screens plane blocks the light appeared from the edge of diffuser and Lamp cup, so just effectively eliminate the dark space of diffuser perimeter, make LED down more attractive in appearance.
Preferably, the center of diffuser sphere curved surface is located at by described LED luminous plaque, namely spherical sphere center position, arrives diffuser light intensity everywhere so identical, is equal to the radius of ball, therefore from the light of diffuser outer surface injection evenly.Or the distance of LED luminous plaque and diffuser minimum point is greater than this spherical radius, there is luminous uniform effect equally.
Preferably, described fixed cup is the truncated cone-shaped structure of hollow, fits in the bottom of its upper end and radiator, and lower end inside and the inner ring reflector lower end of fixed cup adapt.
The effect of fixed cup is, one is the position of fixing inner ring reflector, makes it not depart from; Two is compress diffuser, prevents it from loosening; Three is support radiator, avoids it to be directly pressed onto on inner ring reflector, and simplifying in traditional LED down is structure that is fixing and support fansink designs.
Preferably, described radiator is integrally formed, and its shape is that sheet shape is radial, column or cellular.
Which increase area of dissipation, improve radiating efficiency, simultaneously integrated design allows the more compact structure of radiator.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION figure of a kind of anti-glare LED down lamp of the present invention;
Fig. 2 is the radiator cover structural representation of a kind of anti-glare LED down lamp of the present invention;
Fig. 3 is the heat spreader structures schematic diagram of a kind of anti-glare LED down lamp of the present invention;
Fig. 4 is the diffuser structural representation of a kind of anti-glare LED down lamp of the present invention;
Fig. 5 is the structural representation of the outer shroud reflexed light ring of a kind of anti-glare LED down lamp of the present invention.
Fig. 6 is the cross-sectional view of the outer shroud reflexed light ring of a kind of anti-glare LED down lamp of the present invention.
Detailed description of the invention
The technical scheme of a kind of anti-glare LED down lamp of the present invention is described below in conjunction with accompanying drawing.
See Fig. 1, a kind of anti-glare LED down lamp of the present invention, comprises radiator 2, LED luminous plaque 3, fixed cup 7, inner ring reflector 5, diffuser 6 and Lamp cup 8.
Described inner ring reflector 5 is truncated cone-shaped hollow structure, and its sidewall thickness is consistent, is reflective surface inside it.
See Fig. 4, described diffuser 6 is the housing of curved surface, and the center of its outside curve is the minimum point of diffuser 6.
See Fig. 6, the endoporus bottom of described Lamp cup 8 is provided with outer shroud reflector 84, and its shape is the arc-shaped curved surface expanded downwards, and the top of its endoporus is provided with diffuser installation position 85; The openend of described diffuser 6 is installed on the diffuser installation position 85 of Lamp cup 8 endoporus, and diffuser 6 minimum point higher than outer shroud reflector 84 bottom.
See Fig. 1, fixed cup 7 is arranged on the upside of diffuser 6, and its bottom and diffuser 6 upper end are pasted and touched; Inner ring reflector 5 is arranged on the inner side of fixed cup 7, and its upper end, lower than the upper end of fixed cup 7, which prevent radiator 2 and damages inner ring reflector 5 by pressure, adapts inside fixed cup 7 bottom and fixed cup 7; The upper end of fixed cup 7 that what radiator 2 was close to be arranged on, the bottom of radiator 2 is located at by LED luminous plaque 3.
By adopting this programme, when the light that LED luminous plaque 3 sends penetrates from diffuser 6, due to diffuser 6 minimum point higher than outer shroud reflector 84 bottom, outer shroud reflector 84 blocks a part and penetrates peripherad light, control the region that light irradiates, decrease dazzle, there is structure simple, good looking appearance, the advantages such as antiglare effect is obvious, and each part of LED down of the present invention and the matching relationship between them, design according to carrying out after actual conditions optimization and configure, compare traditional LED down, more compact structure of the present invention, radiating effect is more outstanding.
See Fig. 6, the minimum point of diffuser 6 and outer shroud reflector 84 line bottom and horizontal angle are θ, 20 degree≤θ≤30 degree, by controlling the angle of described angle theta, accurately can control the range of exposures of LED down, when angle is 25 degree, antiglare effect is best.
In the present embodiment, by controlling the shooting angle of light, and the light collocation in different angles direction is to realize the effect reducing dazzle.First by controlling the angle of described angle theta, accurately can control the range of exposures of LED down, when angle theta is 25 degree, antiglare effect is best.The light penetrated from diffuser 6 can be penetrated after multiple reflections by the some light that inner ring reflector blocks in inner ring reflector 5 again, and this some light becomes soft after multiple reflections, reduces dazzle.
Next is that the angle of observing is considered, if light fixture irradiates vertically downward, human eye average height is overhead 1.5m, light fixture rational height about 3m, now by can be calculated the general OK range of θ, i.e. so-called anti-dazzle angle of cut-off, the service condition geared to actual circumstances very much.
See Fig. 4, diffuser 6 is the housing of sphere curved surface, and it is highly 1/3 of sphere curved surface radius, and in some other embodiment, the height of diffuser 6 can be set to 1/3 ~ 1/2 of described sphere curved surface radius certainly.When the light that LED luminous plaque 3 sends arrives diffuser 6, light, to all directions diffusion injection of sphere curved surface, reduces the brightness that diffuser 6 penetrates surface, makes light become soft, evenly luminous, has the effect of anti-dazzle.
See Fig. 5 and Fig. 6, the top of Lamp cup 8 is cylindrical tube, and its side has passage 81, the bottom of cylindrical shell is located in diffuser installation position 85.Lamp cup 8 lower outside, namely corresponding with outer shroud reflector 84 outside, be the arc-shaped curved surface expanded downwards, its sidewall thickness is consistent.Air forms convection current by passage and radiator 2, accelerates the flowing of internal gas like this, improves radiating efficiency, also extends the life-span of inner ring reflector 5 simultaneously.
The surface of described outer shroud reflector 84, can production diffuse reflection when LED light line is irradiated to through frosted process, makes light become soft, reduces dazzle simultaneously.
See Fig. 1, described radiator 2 is provided with radiator cover 1, and the side of radiator cover 1 and upper surface all have louvre 11, and bottom and Lamp cup 8 top of radiator cover 1 are threaded connection.In working order; gas louvre from the side flows to the louvre of upper surface; accelerate the circulation of gas; improve radiating efficiency; radiator cover 1 plays protective effect simultaneously; prevent people from directly contacting radiator 2, the electrostatic of human body causes damage by radiator 2 pairs of LED luminous plaques, prevents people under abnormal conditions from contacting radiator 2 because of carelessness simultaneously and causes and scald or get an electric shock.Be provided with through hole in the middle part of the upper surface of radiator cover 1, wire is connected with LED luminous plaque 3 through through hole, and be also provided with installing hole 12 in heat dissipating housing 1 upper end, radiator cover 1 is fixed by screws in the upper end of radiator 2.Structural design of the present invention is closed compact, the space making radiator 2, LED luminous plaque 3, fixed cup 7, inner ring reflector 5 integrally be fixed on radiator cover 1 and Lamp cup 8 to limit
Ginseng Fig. 4 and Fig. 6, the openend of diffuser 6 is provided with planar annular 61, the outside of described planar annular 61 is greater than the diameter of diffuser 6 openend, diffuser 6 installation position 85 is the screens plane of annular, the planar annular 61 of described diffuser 6 matches with screens plane 85, in working order, because diffuser 6 is installed downwards from top, planar annular 61 coordinates with screens plane, described screens plane 85 blocks the light appeared with the edge of Lamp cup 8 from diffuser 6, so just effectively eliminate the dark space around diffuser 6, make LED down more attractive in appearance.
Described LED luminous plaque 3 bottom surface is in the center of diffuser 6 sphere curved surface, and namely spherical sphere center position, arrives diffuser 6 light intensity everywhere so identical, be equal to the radius of ball, therefore from the light of diffuser 6 outer surface injection evenly.
See Fig. 1, fixed cup 7 is the truncated cone-shaped structure of hollow, fits in the bottom of its upper end and radiator 2, and lower end inside and inner ring reflector 5 lower end of fixed cup 7 adapt.The effect of fixed cup 7 is, one is the position of fixing inner ring reflector 5, makes it not depart from; Two is compress diffuser 6, prevents it from loosening; Three is support radiator 2, avoids it to be directly pressed onto on inner ring reflector 5, and simplifying in traditional LED down is structure that the is fixing and design of support radiator 2.
See Fig. 1, described radiator 2 is integrally formed, and its shape is that sheet shape is radial, which increase area of dissipation, improve radiating efficiency, simultaneously integrated meter allows the more compact structure of radiator 2, certain radiator 2 also can be set to column or cellular, can reach above-mentioned effect equally.On radiator 2, bottom and upper end all have threaded mounting hole 21, LED luminous plaque 3 and are fixed on threaded mounting hole 21 by screw 4, the lower end being arranged on radiator 2 that the upper end of such LED luminous plaque 3 is close to, and are conducive to the heat radiation of LED luminous plaque.
See Fig. 1 and Fig. 5, also boss is provided with in the both sides of Lamp cup 8, boss is provided with installing hole 82, installing hole 82 is provided with spring card 10 and spring clip 13, spring card 10 and spring clip 13 are fastened on installing hole 82 by screw 9, and spring clip 13 works when installing LED down the effect of being fixedly clamped, and the lower end of Lamp cup 8 is provided with margin of optic cup 83, described margin of optic cup 83 is the outward extending loop configuration of Lamp cup 8 lower end outside, and margin of optic cup 83 plays screens effect when installing LED down.
According to technical scheme provided by the invention, by accurately controlling irradiation area, anti-dazzle Be very effective, by selecting spherical diffuser 6 light to all directions diffusion injection of sphere curved surface, reduce the brightness that diffuser 6 penetrates surface, light is made to become soft, evenly luminous, there is the effect of anti-dazzle.To be coordinated with the screens plane 85 on Lamp cup 8 by the planar annular 61 on diffuser 6 and eliminate dark space, make LED down more attractive in appearance, its surface of outer shroud reflective 84, through frosted process, makes reflection ray become soft, reduces dazzle simultaneously.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned embodiment and revise.Therefore, the utility model is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (7)
1. an anti-glare LED down lamp, is characterized in that, comprises radiator, LED luminous plaque, fixed cup, inner ring reflector, diffuser and Lamp cup; Described inner ring reflector is the truncated cone-shaped structure of hollow, is reflective surface inside it; Described diffuser is the housing of curved surface, and the center of its outside curve is the minimum point of diffuser; The endoporus bottom of described Lamp cup is provided with outer shroud reflector, and its shape is the arc-shaped curved surface expanded downwards, and the top of its endoporus is provided with diffuser installation position;
Described diffuser is arranged on the diffuser installation position of Lamp cup endoporus, and diffuser minimum point higher than outer shroud reflector bottom; Fixed cup is arranged on the upside of diffuser, and its bottom and diffuser upper end are pasted and touched; Inner ring reflector is arranged on the inner side of fixed cup, and its upper end, lower than the upper end of fixed cup, adapts inside its bottom and fixed cup; Radiator is arranged on the upper end of fixed cup, and LED luminous plaque is arranged on the bottom of radiator;
The minimum point of described diffuser and outer shroud reflector line bottom and horizontal angle are θ, 20 degree≤θ≤30 degree;
Described diffuser is the housing of sphere curved surface, and it is highly 1/3 ~ 1/2 of described sphere curved surface radius;
The center of diffuser sphere curved surface is located at by described LED luminous plaque.
2. anti-glare LED down lamp according to claim 1, is characterized in that, the top of described Lamp cup is cylindrical tube, and its side has passage, and the bottom of cylindrical shell is located in described diffuser installation position.
3. anti-glare LED down lamp according to claim 1, is characterized in that, the surface of described outer shroud reflector is through frosted process.
4. anti-glare LED down lamp according to claim 1, is characterized in that, described radiator is provided with radiator cover, and side and the upper surface of radiator cover all have louvre, and bottom and the Lamp cup top of radiator cover are threaded connection.
5. anti-glare LED down lamp according to claim 2, it is characterized in that, the openend of described diffuser is provided with planar annular, the outside of described planar annular is greater than the diameter of diffuser openend, described diffuser installation position is the screens plane of annular, and the planar annular of described diffuser matches with screens plane.
6. anti-glare LED down lamp according to claim 1, is characterized in that, described fixed cup is the truncated cone-shaped structure of hollow, fits in the bottom of its upper end and radiator, and lower end inside and the inner ring reflector lower end of fixed cup adapt.
7. anti-glare LED down lamp according to claim 1, is characterized in that, described radiator is integrally formed, and its shape is that sheet shape is radial, column or cellular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310137181.8A CN103196061B (en) | 2013-04-18 | 2013-04-18 | A kind of anti-glare LED down lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310137181.8A CN103196061B (en) | 2013-04-18 | 2013-04-18 | A kind of anti-glare LED down lamp |
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| Publication Number | Publication Date |
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| CN103196061A CN103196061A (en) | 2013-07-10 |
| CN103196061B true CN103196061B (en) | 2015-12-30 |
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| CN201310137181.8A Expired - Fee Related CN103196061B (en) | 2013-04-18 | 2013-04-18 | A kind of anti-glare LED down lamp |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103542336B (en) * | 2013-10-11 | 2016-03-02 | 江门市中电照明有限公司 | A kind of LED down |
| CN104180232B (en) * | 2014-09-12 | 2016-08-17 | 东莞市闻誉实业有限公司 | Efficient LED radiating lamp |
| CN104896368B (en) * | 2015-05-15 | 2018-08-14 | 广东昭信照明科技有限公司 | LED spotlight |
| CN106764726A (en) * | 2017-01-04 | 2017-05-31 | 江苏宜美照明科技股份有限公司 | A kind of LED down lamp |
| CN107806602A (en) * | 2017-11-30 | 2018-03-16 | 四川聚商节能科技股份有限公司 | Spherical COB Down lamps in a kind of anti-dazzle |
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| TWM321497U (en) * | 2007-05-30 | 2007-11-01 | Augux Co Ltd | LED illuminator |
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| CN101761811A (en) * | 2010-02-28 | 2010-06-30 | 东莞市万丰纳米材料有限公司 | LED (light emitting diode) floodlighting device and method for improving illuminance |
| CN201944620U (en) * | 2011-01-24 | 2011-08-24 | 深圳市卡比特半导体照明有限公司 | LED (Light Emitting Diode) down lamp |
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Address after: 3 building, No. 336 business building, Whampoa Road, Tianhe District, Guangdong, Guangzhou 510655, China Applicant after: Guangdong Ecorising Optoelectronic Technology Co., Ltd. Address before: 3 building, No. 336 business building, Whampoa Road, Tianhe District, Guangdong, Guangzhou 510655, China Applicant before: Guangdong Rising Investment Co., Ltd. |
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