CN103196061A - Anti-dazzling LED down lamp - Google Patents
Anti-dazzling LED down lamp Download PDFInfo
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- CN103196061A CN103196061A CN2013101371818A CN201310137181A CN103196061A CN 103196061 A CN103196061 A CN 103196061A CN 2013101371818 A CN2013101371818 A CN 2013101371818A CN 201310137181 A CN201310137181 A CN 201310137181A CN 103196061 A CN103196061 A CN 103196061A
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- diffuser
- cup
- radiator
- down lamp
- led down
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Abstract
An anti-dazzling LED down lamp comprises a heat radiator, an LED lighting board, a fixed cup, an inner-ring reflecting cup, a light permeable shade and a lamp cup. The light permeable shade is arranged on a light permeable shade mounting position of a lamp cup inner hole. The lowest point of the light permeable shade is higher than the lowermost end of an outer-ring reflecting cup. The fixed cup is arranged on the upper side of the light permeable shade, the bottom end of the fixed cup contacts with the upper end of the light permeable shade, the inner-ring reflecting cup is arranged on the inner side of the fixed cup, the upper end of the inner-ring reflecting cup is lower than the upper end of the fixed cup, and the bottom end of the inner-ring reflecting cup is adaptive to the inner side of the fixed cup. The heat radiator is mounted at the upper end of the fixed cup, and the LED lighting board is arranged at the bottom end of the heat radiator. According to the technical scheme, light emitted from the LED lighting board is emitted from the light permeable shade, a part of light emitted to the surrounding is shaded by the outer-ring reflective cup since the lowest point of the light permeable shade is higher than the lowermost end of the outer-ring reflective cup, light irradiation area is controlled, dazzling is reduced, and the anti-dazzling LED down lamp has the advantages of simple structure, attractive appearance, effective dazzling resistance and the like.
Description
Technical field
The invention belongs to the LED lighting technical field, be specifically related to a kind of LED Down lamp with more excellent anti-dazzle effect.
Background technology
The contrast of LED Down lamp and traditional Down lamp has the following advantages: energy-conservation, low-carbon (LC), longevity, colour rendering is good, response speed is fast, the design of LED Down lamp is more attractive in appearance light and handy, it is unified and perfect to reach the integral body that keeps building decoration during installation, do not destroy the setting of light fixture, light source is hidden building decoration inside, people's good visual effect.But because the characteristics of led light source are directed luminous, so it is comparatively concentrated to be used in the light that sends on the LED Down lamp, can cause the interior uneven illumination of range of exposures all to produce dazzling dazzle.
A kind of LED Down lamp (application number: the 2010206335378.6) lampshade of proposition use hemispherical or semielliptical shape with inner lampshade of Chinese patent, lampshade adopts the high transparent abrasive material of PMMA of light transmittance, the light that the led light source assembly is sent soft and be evenly distributed ground transmission go out, reduce dazzle simultaneously.Lamp cup is the bent bus revolving body by the cup-shaped of a thin-shell type, can make light that lampshade transmits according to the rising angle directive irradiation area of expectation, and the Lamp cup inner surface through machine glazed finish to mirror effect, effectively reduced the loss of luminous flux.The form defective of this structure is, its complex structure can't the better controlled rising angle, and to mirror effect, though can effectively reduce the loss of light energy, the light that reflects still can produce dazzling dazzle to the Lamp cup inner surface through machine glazed finish.
Therefore be necessary to invent a kind of new LED Down lamp to address the above problem.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of and have the anti-dazzle function, and LED Down lamp simple in structure.
In order to achieve the above object, the present invention by the following technical solutions: a kind of glare prevention LED Down lamp comprises radiator, LED luminous plaque, fixed cup, interior ring reflector, diffuser and Lamp cup; The ring reflector is the truncated cone-shaped hollow structure in described, and its inboard is reflective surface; Described diffuser is the housing of curved surface, and the center of its outer N-Side surf is the minimum point of diffuser; The endoporus bottom of described Lamp cup is provided with the outer shroud reflector, and it is shaped as the arc-shaped curved surface of downward expansion, and the top of its endoporus is provided with the diffuser installation position;
Described diffuser is installed on the diffuser installation position of Lamp cup endoporus, and the diffuser minimum point is higher than the outer shroud reflector bottom; Fixed cup is installed in the diffuser upside, and its bottom and diffuser upper end are pasted and touched; Interior ring reflector is installed in the inboard of fixed cup, and its upper end is lower than the upper end of fixed cup, and its bottom and fixed cup inboard adapt; Radiator is installed in the upper end of fixed cup, and the LED luminous plaque is installed in the bottom of radiator.
By adopting this programme, when the light that sends when the LED luminous plaque penetrates from diffuser, because the diffuser minimum point is higher than the outer shroud reflector bottom, the outer shroud reflector has stopped the light around a part of directive, controlled the zone of light irradiation, reduce dazzle, had advantages such as simple in structure, good looking appearance, antiglare effect be obvious.
Preferably, the minimum point of described diffuser and outer shroud reflector line and horizontal angle angle bottom is θ, 20 degree≤θ 〉=30 degree,
This improvement project is by the shooting angle of control light, and the light of different angles direction arranges in pairs or groups to realize reducing the effect of dazzle.At first by the angle of the described angle theta of control, can accurately control the range of exposures of LED Down lamp, when angle theta is 25 when spending, antiglare effect is best.The light that penetrates from diffuser can repeatedly be penetrated after the reflection in interior ring reflector by the part light that interior ring reflector blocks again, and this part light has reduced dazzle through repeatedly becoming soft after the reflection.
Next is that the angle of observing considers that establish light fixture and shine vertically downward, human eye average height overhead is 1.5m, light fixture arranges about height 3m, this moment is by calculating the general OK range can obtain θ, i.e. so-called anti-dazzle angle of cut-off, the operating position that gears to actual circumstances very much.
Preferably, described diffuser is the housing of sphere curved surface, and it highly is 1/3～1/2 of described sphere curved surface radius.
When the light that sends when the LED luminous plaque arrives diffuser, penetrate to all directions diffusion of sphere curved surface, reduce the brightness that diffuser penetrates the surface, make light become soft, luminous evenly, have the effect of anti-dazzle.
Preferably, the top of described Lamp cup is cylindrical tube, has passage on its side, and the bottom of cylindrical shell is located in described diffuser installation position.
Air forms convection current by passage and radiator, accelerates flowing of internal gas, has improved radiating efficiency, has also prolonged the life-span of interior ring reflector and LED luminous plaque simultaneously.
Preferably, handle through frosted on the surface of described outer shroud reflector, can the production diffuse reflection when LED light shines, and make light become soft, reduce dazzle simultaneously.
Preferably, described radiator is provided with radiator cover, and the side of radiator cover and upper surface all have louvre, and the bottom of radiator cover and Lamp cup top are by being threaded.
Under the duty; gas louvre from the side flows to the louvre of upper surface; accelerated the circulation of gas; improved radiating efficiency; radiator cover plays protective effect simultaneously; prevent that people from directly contacting radiator, the static of human body causes damage by radiator to the LED luminous plaque, prevents that simultaneously the careless contact of people causes scald or electric shock under the abnormal conditions.Structural design of the present invention is closed compactness, and radiator, LED luminous plaque, fixed cover, interior ring reflector one are fixed in the 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 the screens plane.
Under the duty, because diffuser is installed downwards from the top, planar annular cooperates with the screens plane, and described screens plane has stopped the light that appears from the edge of diffuser and Lamp cup, so just effectively eliminated dark space on every side, diffuser edge, made the LED Down lamp more attractive in appearance.
Preferably, described LED luminous plaque is located at the center of diffuser sphere curved surface, i.e. Qiu Xing sphere center position, and it is identical to arrive diffuser light intensity everywhere like this, is equal to the radius of ball, and therefore the light that penetrates from the diffuser outer surface is more even.Perhaps, the distance of LED luminous plaque and diffuser minimum point has luminous uniform effect equally greater than this spherical radius.
Preferably, described fixed cup is the truncated cone-shaped structure of hollow, fits with the bottom of radiator in its upper end, and the lower end of fixed cup is inboard to adapt with interior ring reflector lower end.
The effect of fixed cup is, the one, fixing in the position of ring reflector, it is not departed from; The 2nd, compress diffuser, prevent that it is loosening; The 3rd, support radiator, avoid it directly to be pressed onto on the interior ring reflector, simplified in traditional LED Down lamp to fixing and support the structure of fansink designs.
Preferably, described radiator is integrally formed, and it is shaped as, and sheet shape is radial, column or cellular.
Increased area of dissipation like this, improved radiating efficiency, integrated design simultaneously allows the more compact structure of radiator.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of a kind of glare prevention LED Down lamp of the present invention;
Fig. 2 is the radiator cover structural representation of a kind of glare prevention LED Down lamp of the present invention;
Fig. 3 is the heat spreader structures schematic diagram of a kind of glare prevention LED Down lamp of the present invention;
Fig. 4 is the diffuser structural representation of a kind of glare prevention LED Down lamp of the present invention;
Fig. 5 is the structural representation of the outer shroud reflexed light ring of a kind of glare prevention 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 glare prevention LED Down lamp of the present invention.
The specific embodiment
Technical scheme below in conjunction with a kind of glare prevention LED Down lamp of description of drawings the present invention.
Referring to Fig. 1, a kind of glare prevention LED Down lamp of the present invention comprises radiator 2, LED luminous plaque 3, fixed cup 7, interior ring reflector 5, diffuser 6 and Lamp cup 8.
Referring to Fig. 4, described diffuser 6 is the housing of curved surface, and the center of its outer N-Side surf is the minimum point of diffuser 6.
Referring to Fig. 6, the endoporus bottom of described Lamp cup 8 is provided with outer shroud reflector 84, and it is shaped as the arc-shaped curved surface of downward expansion, 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 points are higher than outer shroud reflector 84 bottom.
Referring to Fig. 1, fixed cup 7 is installed in diffuser 6 upsides, and its bottom and diffuser 6 upper ends are pasted and touched; Interior ring reflector 5 is installed in the inboard of fixed cup 7, and its upper end is lower than the upper end of fixed cup 7, has prevented that like this radiator 2 from encircling reflector 5 in damaging by pressure, and fixed cup 7 bottoms and fixed cup 7 inboards adapt; The upper end that is installed in fixed cup 7 that radiator 2 is close to, LED luminous plaque 3 is located at the bottom of radiator 2.
By adopting this programme, when the light that sends when LED luminous plaque 3 penetrates from diffuser 6, because diffuser 6 minimum points are higher than outer shroud reflector 84 bottom, outer shroud reflector 84 has stopped the light around a part of directive, controlled the zone of light irradiation, reduced dazzle, have simple in structure, good looking appearance, advantages such as antiglare effect is obvious, and each part of LED Down lamp of the present invention and the matching relationship between them, according to designing and dispose after the actual conditions optimization, compare traditional LED Down lamp, more compact structure of the present invention, radiating effect is more outstanding.
Referring to Fig. 6, the minimum point of diffuser 6 and outer shroud reflector 84 line and horizontal angle bottom is θ, 20 degree≤θ≤30 degree, by controlling the angle of described angle theta, can accurately control the range of exposures of LED Down lamp, when angle is 25 when spending, antiglare effect is best.
In the present embodiment, by the shooting angle of control light, and the light of different angles direction arranges in pairs or groups to realize reducing the effect of dazzle.At first by the angle of the described angle theta of control, can accurately control the range of exposures of LED Down lamp, when angle theta is 25 when spending, antiglare effect is best.The light that penetrates from diffuser 6 can repeatedly be penetrated after the reflection in interior ring reflector 5 by the part light that interior ring reflector blocks again, and this part light has reduced dazzle through repeatedly becoming soft after the reflection.
Next is that the angle of observing considers that establish light fixture and shine vertically downward, human eye average height overhead is 1.5m, light fixture arranges about height 3m, this moment is by calculating the general OK range can obtain θ, i.e. so-called anti-dazzle angle of cut-off, the operating position that gears to actual circumstances very much.
Referring to Fig. 4, diffuser 6 is the housing of sphere curved surface, and it highly is 1/3 of sphere curved surface radius, and the height of diffuser 6 can be made as 1/3～1/2 of described sphere curved surface radius in some other embodiment certainly.When the light that sends when LED luminous plaque 3 arrived diffuser 6, light penetrated to all directions diffusion of sphere curved surface, reduces the brightness that diffuser 6 penetrates the surface, makes light become soft, luminous evenly, have the effect of anti-dazzle.
Referring to Fig. 5 and Fig. 6, the top of Lamp cup 8 is cylindrical tube, has passage 81 on its side, and the bottom of cylindrical shell is located in diffuser installation position 85.The Lamp cup 8 bottoms outsides, namely the outside corresponding with outer shroud reflector 84 is the arc-shaped curved surface that enlarges downwards, its sidewall thickness unanimity.Air forms convection current by passage and radiator 2, accelerates flowing of internal gas like this, has improved radiating efficiency, has also prolonged the life-span of interior ring reflector 5 simultaneously.
Handle through frosted on the surface of described outer shroud reflector 84, can the production diffuse reflection when LED light shines, and make light become soft, reduce dazzle simultaneously.
Referring to Fig. 1, described radiator 2 is provided with radiator cover 1, and the side of radiator cover 1 and upper surface all have louvre, and the bottom of radiator cover 1 and Lamp cup 8 tops are by being threaded.In working order down; gas louvre from the side flows to the louvre of upper surface; accelerated the circulation of gas; improved radiating efficiency; radiator cover 1 plays protective effect simultaneously; prevent that people from directly contacting radiator 2, the static of human body causes damage by 2 pairs of LED luminous plaques of radiator, prevents simultaneously under the abnormal conditions that people contact radiator 2 because of carelessness and cause and scald or get an electric shock.The middle part, upper surface of radiator cover 1 is provided with through hole, and lead passes through hole and is connected with LED luminous plaque 3, also is provided with installing hole in heat dissipating housing 1 upper end, and radiator cover 1 is fixed on the upper end of radiator 2 by screw.Structural design of the present invention is closed compactness, makes radiator 2, LED luminous plaque 3, fixed cup 7, interior ring reflector 5 one be fixed in the space that heat dissipating housing 1 and Lamp cup 8 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 openends, diffuser 6 installation positions 85 are the screens plane of annular, the planar annular 61 of described diffuser 6 matches with screens plane 85, in working order down, because diffuser 6 is installed downwards from the top, planar annular 61 cooperates with the screens plane, described screens plane 85 has stopped the light that appears from the edge of diffuser 6 and Lamp cup 8, so just effectively eliminated diffuser 6 dark space on every side, made the LED Down lamp more attractive in appearance.
Described LED luminous plaque 3 bottom surfaces are in the center of diffuser 6 sphere curved surfaces, i.e. Qiu Xing sphere center position, and it is identical to arrive diffuser 6 light intensity everywhere like this, is equal to the radius of ball, and therefore the light that penetrates from diffuser 6 outer surfaces is more even.
Referring to Fig. 1, fixed cup 7 is the truncated cone-shaped structure of hollow, fits with the bottom of radiator 2 in its upper end, and the lower end of fixed cup 7 is inboard to adapt with interior ring reflector 5 lower ends.The effect of fixed cup 7 is, the one, fixing in the position of ring reflector 5, it is not departed from; The 2nd, compress diffuser 6, prevent that it is loosening; The 3rd, support radiator 2, avoid it directly to be pressed onto on the interior ring reflector 5, simplified in traditional LED Down lamp to fixing and support the structure that radiator 2 designs.
Referring to Fig. 1, described radiator 2 is integrally formed, and it is radial that it is shaped as sheet shape, increased area of dissipation like this, improved radiating efficiency, simultaneously integrated meter allows the more compact structure of radiator 2, certainly radiator 2 also can be set to column or cellular, can reach above-mentioned effect equally.Bottom and upper end all have threaded mounting hole 21 on the radiator 2, and LED luminous plaque 3 is fixed on the threaded mounting hole 21 by screw 4, and the lower end that is installed in radiator 2 that the upper end of LED luminous plaque 3 is close to like this is conducive to the heat radiation of LED luminous plaque.
Referring to Fig. 1 and Fig. 5, both sides at Lamp cup 8 also are provided with boss, boss is provided with installing hole 82, spring card 10 and spring clip 11 are installed on the installing hole 82, spring card 10 and spring clip 11 are fastened on the installing hole 82 by screw 9, and spring clip 11 works the effect of being fixedly clamped when the LED Down lamp is installed, 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 in the outside, Lamp cup 8 lower ends, and margin of optic cup 83 plays the screens effect when the LED Down lamp is installed.
According to technical scheme provided by the invention, by accurate control irradiation area, the anti-dazzle effect is remarkable, by selecting for use spherical diffuser 6 light to penetrate to all directions diffusion of sphere curved surface, reduce the brightness that diffuser 6 penetrates the surface, make light become soft, luminous even, have the effect of anti-dazzle.Cooperate with screens plane 85 on the Lamp cup 8 by the planar annular 61 on the diffuser 6 and to have eliminated the dark space, make the LED Down lamp more attractive in appearance, handle through frosteds on outer shroud reflective 84 its surfaces, makes reflection ray become soft, reduces dazzle simultaneously.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also change and revise above-mentioned embodiment.Therefore, the specific embodiment that discloses and describe above the present invention is not limited to also should fall in the protection domain of claim of the present invention modifications and changes more of the present invention.In addition, although used some specific terms in this specification, these terms do not constitute any restriction to the present invention just for convenience of description.
Claims (10)
1. a glare prevention LED Down lamp is characterized in that, comprises radiator, LED luminous plaque, fixed cup, interior ring reflector, diffuser and Lamp cup; The ring reflector is the truncated cone-shaped structure of hollow in described, and its inboard is reflective surface; Described diffuser is the housing of curved surface, and the center of its outer N-Side surf is the minimum point of diffuser; The endoporus bottom of described Lamp cup is provided with the outer shroud reflector, and it is shaped as the arc-shaped curved surface of downward expansion, and the top of its endoporus is provided with the diffuser installation position;
Described diffuser is installed on the diffuser installation position of Lamp cup endoporus, and the diffuser minimum point is higher than the outer shroud reflector bottom; Fixed cup is installed in the diffuser upside, and its bottom and diffuser upper end are pasted and touched; Interior ring reflector is installed in the inboard of fixed cup, and its upper end is lower than the upper end of fixed cup, and its bottom and fixed cup inboard adapt; Radiator is installed in the upper end of fixed cup, and the LED luminous plaque is installed in the bottom of radiator.
2. glare prevention LED Down lamp according to claim 1 is characterized in that, the minimum point of described diffuser and outer shroud reflector line and horizontal angle bottom is θ, 20 degree≤θ≤30 degree.
3. glare prevention LED Down lamp according to claim 1 and 2 is characterized in that, described diffuser is the housing of sphere curved surface, and it highly is 1/3～1/2 of described sphere curved surface radius.
4. glare prevention LED Down lamp according to claim 1 is characterized in that, the top of described Lamp cup is cylindrical tube, has passage on its side, and the bottom of cylindrical shell is located in described diffuser installation position.
5. glare prevention LED Down lamp according to claim 1 is characterized in that, handle through frosted on the surface of described outer shroud reflector.
6. 1 described glare prevention LED Down lamp as requested is characterized in that described radiator is provided with radiator cover, and the side of radiator cover and upper surface all have louvre, and the bottom of radiator cover and Lamp cup top are by being threaded.
7. glare prevention LED Down lamp according to claim 4, 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 the screens plane.
8. glare prevention LED Down lamp according to claim 3 is characterized in that, described LED luminous plaque is located at the center of diffuser sphere curved surface.
9. glare prevention LED Down lamp according to claim 1 is characterized in that, described fixed cup is the truncated cone-shaped structure of hollow, fits with the bottom of radiator in its upper end, and the lower end of fixed cup is inboard to adapt with interior ring reflector lower end.
10. glare prevention LED Down lamp according to claim 1 is characterized in that, described radiator is integrally formed, and it is shaped as, and 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN103196061A true CN103196061A (en) | 2013-07-10 |
| CN103196061B CN103196061B (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103542336A (en) * | 2013-10-11 | 2014-01-29 | 谢朝晖 | High-efficiency LED down lamp |
| CN104180232A (en) * | 2014-09-12 | 2014-12-03 | 东莞市闻誉实业有限公司 | Efficient LED heat dissipation lamp |
| CN104896368A (en) * | 2015-05-15 | 2015-09-09 | 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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| CN103542336A (en) * | 2013-10-11 | 2014-01-29 | 谢朝晖 | High-efficiency LED down lamp |
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| 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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| Publication number | Publication date |
|---|---|
| CN103196061B (en) | 2015-12-30 |
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