CN202972943U - Light distribution structure and light-emitting diode (LED) lamp - Google Patents
Light distribution structure and light-emitting diode (LED) lamp Download PDFInfo
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- CN202972943U CN202972943U CN2012206653489U CN201220665348U CN202972943U CN 202972943 U CN202972943 U CN 202972943U CN 2012206653489 U CN2012206653489 U CN 2012206653489U CN 201220665348 U CN201220665348 U CN 201220665348U CN 202972943 U CN202972943 U CN 202972943U
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- lens
- reflector
- light source
- light distribution
- distribution structure
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Abstract
The utility model relates to the technical field of illumination, in particular to a light distribution structure and a light-emitting diode (LED) lamp. The light distribution structure comprises a lens, an LED light source and a reflection cup capable of changing light outlet angles, wherein the lens, the LED light source and the reflection cup are manufactured in a split mode and are connected in a detachable mode. The inner wall of the reflection cup is provided with reflection faces which are evenly distributed along the circumferential direction. The lens is a rotating symmetric body and is provided with a top structure and a bottom structure which are capable of reflecting light emitted by the LED light source to the reflection cup in a direct or refraction mode. The bottom structure is provided with a concave cavity. According to the light distribution structure, the lens, the LED light source and the reflection cup are manufactured in a split mode, and the reflection cup and the lens are arranged on the LED light source in a detachable mode, thus, the angles of light emitting from the LED light source can be changed as long as a corresponding lens and a corresponding reflection cup are replaced. Consequently, the light distribution structure is simple, flexible in light distributing mode, and good in adaptability. The LED lamp with the light distribution structure is strong in competitiveness.
Description
Technical field
The utility model belongs to lighting technical field, relates in particular to a kind of light distribution structure and LED lamp.
Background technology
The LED lamp is because of characteristics such as its energy-saving and environmental protection, in the existing application more and more widely of lighting field.Normally half space is luminous, light-emitting area is little for the LED lamp, brightness is high.The luminous intensity distribution of LED illumination generally adopts reflector or lens to complete, the light distribution structure fixed single, and rising angle is unadjustable, the very flexible of luminous intensity distribution.In actual production, for a series of LED lamp, when needing to produce the product of different lighting angles, often need again the parts of whole buying light distribution structure, thereby cause overstocking of unsalable product.
The utility model content
The purpose of this utility model is to provide a kind of light distribution structure and LED lamp, is intended to solve light distribution structure fixed single in prior art, and rising angle is unadjustable, the problem of luminous intensity distribution very flexible.
the utility model is achieved in that a kind of light distribution structure, comprises lens, LED light source and can change the reflector of rising angle, described lens, LED light source and reflector split production, described LED light source is installed on described lens removably, described reflector is connected in the periphery of described lens removably, the inwall of described reflector has along circumferential equally distributed reflective surface, described lens are a rotationally symmetric body, described lens have the top structure that the light that described LED light source can be sent directly penetrates and the light refraction that is used for described LED light source the is sent polycrystalline substance to the described reflector, described polycrystalline substance is provided with a cavity, the radial dimension of described polycrystalline substance is greater than the radial dimension of described top structure, the outer peripheral face of described polycrystalline substance comprises that rotating around its central shaft the first column face and the arc that form by a straightway rotates the cambered surface that forms around its central shaft, described cambered surface is connected in the upper end of described the first column face, the outer peripheral face of described top structure comprises the second column face and is connected in the spherical crown surface of described the second column face upper end.
Further, described cavity has a cavity end face and is connected in the cavity side of described cavity end face periphery, and described cavity end face is a curved surface.
Further, the bottom of described lens is provided with a circle flange, and the bottom of described reflector is provided with in the locating slot of described flange coupling.
Further, described lens, described LED light source and described reflector are arranged to the center coaxial line.
Further, described reflector is concave structure, and described lens are arranged at the bottom centre place of described concave structure.
Further, described LED light source is installed in described cavity.
Further, the surface of revolution of described reflective surface for being formed around the center line rotation of described reflector by straightway or conic section or SPL.
Further, described LED light source is set to four, is array distribution.
Further, described reflective surface is arc surface, and described arc surface is constituted to the end to end arcwall face of top-direction by a plurality of bottoms along described reflector.
Compared with prior art, light distribution structure in the utility model, by with described LED light source, lens and described reflector split production, described reflector and described lens are installed on described lens removably, like this, when needs change LED lamp source and send the angle of light, can realize by changing corresponding lens and reflector.In actual production, unsalable detaching products can be configured corresponding lens and reflector, and be assembled into the LED lamp sale of rising angle salable, save cost.So, light distribution structure is simple, and light-configuration mode is flexible, and adaptability is good.Simultaneously, the top structure that the light part that described LED light source sends is directly passed described lens directly penetrates, and a part is refracted on reflector by the polycrystalline substance of described lens, then carries out luminous intensity distribution by reflector and penetrate.Thus, described lens and reflector form an optical system.The anaclasis that the script directive can not needed space angle then is made into the angle that needs by reflector to reflector, improved the utilization rate of light.So, after LED light source is lighted, can form the lamppost effect by the cooperation of lens and reflector, reach the illumination effect of halogen spot light.
The utility model also provides a kind of LED lamp, comprises a lamp socket and the described light distribution structure of above-mentioned any one, and described light distribution structure is installed on described lamp socket.
The LED lamp that the utility model provides due to the light distribution structure with above-mentioned any one, thus, can be realized the bright dipping configuration of multi-angle, is beneficial to the diversity that realizes product, has increased the market competitiveness of this LED lamp.
Description of drawings
Fig. 1 is the decomposing schematic representation of the utility model light distribution structure embodiment one;
Fig. 2 is the cross-sectional schematic of the utility model light distribution structure embodiment one;
Fig. 3 is the schematic top plan view of the utility model light distribution structure embodiment one;
Fig. 4 is the luminous intensity distribution schematic diagram of the utility model light distribution structure embodiment one;
Fig. 5 is the local enlarged diagram at the A place in Fig. 2;
Fig. 6 is the luminous intensity distribution schematic diagram of the utility model light distribution structure embodiment two;
Fig. 7 is the luminous intensity distribution schematic diagram of the utility model light distribution structure embodiment three;
Fig. 8 is the cross-sectional schematic of the utility model light distribution structure embodiment three;
Fig. 9 is the schematic top plan view of the utility model light distribution structure embodiment three;
Figure 10 is the generalized section of LED lamp;
Figure 11 is the schematic side view of lens in the utility model light distribution structure;
Figure 12 is the schematic top plan view of lens in the utility model light distribution structure;
Figure 13 is the cross-sectional schematic of lens in the utility model light distribution structure;
Figure 14 is the bright dipping schematic diagram of lens in the utility model light distribution structure.
Description of symbols:
1 LED light source 21 polycrystalline substances
2 lens 22 top structures
3 reflector 23 cavitys
4 cover plate 24 flanges
5 lamp socket 211 first column faces
R radius of curvature 212 cambered surfaces
31 arc surface 221 second column faces
32 locating slot 222 spherical crown surfaces
33 ring seal curve 231 cavity end faces
232 cavity sides
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Below in conjunction with concrete accompanying drawing, realization of the present utility model is described in detail.
Embodiment one:
As shown in Fig. 1 ~ 5, the utility model provides a kind of light distribution structure, comprises lens 2, single LEDs light source 1 and can change the reflector 3 of rising angle, described lens 2, LED light source 1 and reflector 3 split productions.Described LED light source 1 is installed on described lens 2 removably, and described reflector 3 is connected in the periphery of described lens 2 removably.By with described LED light source 1, lens 2 and described reflector 3 split productions, described reflector 3 and described lens 2 are installed on described lens 2 removably.The inwall of described reflector 3 has along circumferential equally distributed reflective surface.Figure 11-shown in Figure 14, described lens 2 are a rotationally symmetric body, are formed by the transparent optical plastic production, its outer peripheral face is the surface of revolution.Described lens 2 have the top structure 22 that the light that described LED light source 1 can be sent directly penetrates and the light refraction that is used for described LED light source 1 the is sent polycrystalline substance 21 to the described reflector 3, described polycrystalline substance is provided with a cavity 23, the radial dimension of described polycrystalline substance 21 is greater than the radial dimension of described top structure 22, and the outer peripheral face of described polycrystalline substance 21 comprises that rotating around its central shaft the first column face 211 and the arc that form by a straightway rotates the cambered surface 212 that forms around its central shaft.Described cambered surface 212 is connected in the upper end of described column face 211, and the outer peripheral face of described top structure comprises the second column face 221 and is connected in the spherical crown surface 222 of described the second column face 221 upper ends.Like this, the top structure 22 that the light part that described LED light source 1 sends is directly passed described lens 2 directly penetrates, and a part is refracted on reflector 3 by the polycrystalline substance 21 of described lens 2, then carries out luminous intensity distribution by reflector 3 and penetrate.Thus, described lens 2 and reflector 3 form an optical system.The anaclasis that the script directive can not needed space angle then is made into the angle that needs by reflector 1 to reflector 3, improved the utilization rate of light.So, after LED light source 1 is lighted, can form the lamppost effect by the cooperation of lens 2 and reflector 3, reach the illumination effect of halogen spot light.Increase the scope of light distribution angle, increased simultaneously the flexibility of luminous intensity distribution.Whole light distribution structure is simple, and light-configuration mode is flexible, and adaptability is good.When needs change LED lamp source and send the angle of light, can change separately described reflector 3 or described lens 2, or change simultaneously described reflector 3 and described lens 2, thereby change whole light distribution effect.In actual production, can adopt a lens 2 many moneys of collocation reflectors 3, also can adopt a reflector 3 many moneys of collocation lens 2, improve diversity and the adaptability of product, increase the flexibility of the links such as producing and selling.So, unsalable detaching products can be configured corresponding lens 2 and reflector 3, and be assembled into the LED lamp sale of rising angle salable, save cost.In addition, the polycrystalline substance 21 that arranges on described lens 2 can increase light that LED light source 1 sends by the angle of radiation that described lens 2 penetrate, and can enlarge the light zone that projects on described reflector 3 inwalls, and then, improved illuminating effect.
Preferably, described cambered surface 212 is that the circular arc of 0.17mm forms around the rotation of the central shaft of described lens 2 by radius of curvature.The radius of curvature of described spherical crown surface 222 is set to 0.45mm.In the present embodiment, described the second column face 221 and the first column face 211 are the round platform curved surface.Further, shown in Figure 13, described cavity 23 has a cavity end face 231 and is connected in the cavity side 232 of described cavity end face 231 peripheries, and described cavity end face 231 is a curved surface.Have certain distance between described cavity end face 231 and described spherical crown surface 222, that is, described top structure 22 has a thickness.The thickness of this top structure 22 rationally is set according to the requirement of reality use.In the utility model, this curved surface is outer concave surface, can with the divergence of beam that passes, further increase rising angle.
Further, as depicted in figs. 1 and 2, described lens 2, described LED light source 1 and described reflector 3 are arranged to the center coaxial line.Like this, in actual production, be convenient to the location assembling between a parts, and can guarantee that the light that is sent by described LED light source 1 is symmetrical along central shaft, make hot spot more even, guaranteed illuminating effect.
Further, as shown in Figure 2, described reflector 3 is concave structure, and described lens 2 are arranged at the bottom centre place of described concave structure.Described concave structure is bowl-shape, and it is up big and down small, and the bottom connects.Like this, can make the bright dipping bore larger, by the light that described lens 2 penetrate, a part of light that passes via the polycrystalline substance 21 of described lens 2 can be carried out by the inwall of described reflector 3 the secondary light path and process, thereby enlarges the adjustable range of rising angle.Simultaneously, when having avoided independent use lens 2, LED light source 1 light-emitting area is little, and brightness is high, and the dazzling phenomenon that causes, and makes that lighting area is larger and light is soft, and is attended by the flickering of metal, thereby arrives more illuminating effect.
Further, described LED light source 1 is installed in described cavity 23.So, can reduce the locational space that described LED light source 1 is installed, make the compacter exquisiteness of structure, simultaneously, increase the area that is used for reflection ray on described lens 2, increase the effect of luminous intensity distribution, improve the effect of illumination.
Particularly, the surface of revolution of described reflective surface for being formed around the center line rotation of described reflector by straightway or conic section or SPL.In the present embodiment, the radius of curvature R of the inwall of described reflector 3 is set to 60mm.So, the light that single LEDs light source 1 sends can be mixed with rising angle be that the luminous intensity distribution of 24 ° distributes to the design by this curvature.Particularly, in the present embodiment, the upper bore of this reflector 3 is set to 36.75mm, and lower bore is set to 18.96mm.Certainly, according to concrete needs, the upper and lower caliber size of this reflector 3 can be set accordingly.
Further, the bottom of described lens 2 is provided with a circle flange 24, and the bottom of described reflector 3 is provided with in the locating slot 32 of described flange 24 couplings.In the present embodiment, described flange 24 is extended radially outward by the edge of the bottom of described lens 2 and forms.Described locating slot 32 is set to the concave by the bottom of described reflector 3 and forms.During actual installation, the upper table of described flange 24 is tightly on the lower surface of the described locating slot 32 of butt.For the further rotation between the fixed described reflector 3 of restriction and described lens 2, can on described locating slot 32 face relative with described flange 24, position limiting structure be set, as, concavo-convex location.Certainly, also can with described lens 2 be connected reflector 3 and adopt buckle structures to connect, be also feasible.
Embodiment two
The present embodiment is with the difference of implementing one: in the present embodiment, as shown in Figure 6, the inwall radius of curvature R of described reflector 3 is 122mm.Like this, by the reflector 3 of this curvature, the luminous intensity distribution that the light that single LEDs sends can be mixed with rising angle and be 24 ° distributes.Particularly, the upper bore of described reflector 3 is set to 36.75mm, and lower bore is set to 17.18mm.Certainly, according to the demand in market, also the inwall of described reflector 3 can be arranged to suitable curvature value, be also feasible.
Embodiment three
The difference of the present embodiment and described enforcement one is: as Fig. 7-shown in Figure 9, the present embodiment has adopted four LEDs as light source, and described four LEDs light sources 1 array distribution centered by central shaft is square., be readily appreciated that practical application herein, according to the requirement of different luminous intensities, described LED light source 1 can be arranged to many, and make it even distribution, can use single LEDs as light source, also can use plurality of LEDs as light source, thereby realize the different light effects that goes out.
Further, as shown in Figure 9, described reflective surface is arc surface 31, and the arc surface 31 on the inwall of described reflector 3 is constituted to the end to end arcwall face 33 of top-direction by a plurality of bottoms along described reflector 3.So, each arc surface 31, have diametrically a plurality of little arcwall faces 33, increase further the surface area of described inside, like this, just increased the reflective area of described reflector 3, make it have certain effect of breaing up light, can make hot spot more even, simultaneously, also have the effect of mixed light when using plurality of LEDs as light source.
Further, as shown in figure 10, described light distribution structure also comprises the cover plate 4 of a light-permeable, this cover plate 4 be sealedly attached to the light-emitting window place of described reflector 3.So, can avoid fouling product to the pollution of described reflector 3 inwalls and lens 2, improve the reliability of described light distribution structure.
As shown in figure 10, the utility model also provides a kind of LED lamp, comprises a lamp socket 5 and the described light distribution structure of above-mentioned any one, and described light distribution structure is installed on described lamp socket 5.
The LED lamp that the utility model provides, due to the light distribution structure with above-mentioned any one, thus, only need change glow cup decorative pattern or lens 2 structures can realize the light distribution effect of different angles on same series of products, thereby reduced development cost, be beneficial to the diversity that realizes product, increased the flexibility of production and sale, increased the market competitiveness of this LED lamp.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a light distribution structure, is characterized in that, comprises lens, LED light source and can change the reflector of rising angle, described lens, LED light source and reflector split production, described LED light source is installed on described lens removably, described reflector is connected in the periphery of described lens removably, the inwall of described reflector has along circumferential equally distributed reflective surface, described lens are a rotationally symmetric body, described lens have the top structure that the light that described LED light source can be sent directly penetrates and the light refraction that is used for described LED light source the is sent polycrystalline substance to the described reflector, described polycrystalline substance is provided with a cavity, the radial dimension of described polycrystalline substance is greater than the radial dimension of described top structure, the outer peripheral face of described polycrystalline substance comprises that rotating around its central shaft the first column face and the arc that form by a straightway rotates the cambered surface that forms around its central shaft, described cambered surface is connected in the upper end of described the first column face, the outer peripheral face of described top structure comprises the second column face and is connected in the spherical crown surface of described the second column face upper end.
2. a kind of light distribution structure according to claim 1 is characterized in that: described cavity has a cavity end face and is connected in the cavity side of described cavity end face periphery, and described cavity end face is a curved surface.
3. a kind of light distribution structure according to claim 1 and 2 is characterized in that: the bottom of described lens is provided with a circle flange, and the bottom of described reflector is provided with the locating slot with described flange coupling.
4. a kind of light distribution structure according to claim 1 and 2, it is characterized in that: described lens, described LED light source and described reflector are arranged to the center coaxial line.
5. a kind of light distribution structure according to claim 4, it is characterized in that: described reflector is concave structure, and described lens are arranged at the bottom centre place of described concave structure.
6. a kind of light distribution structure according to claim 5, it is characterized in that: described LED light source is installed in described cavity.
7. a kind of light distribution structure according to claim 6 is characterized in that: the surface of revolution of described reflective surface for being formed around the center line rotation of described reflector by straightway or conic section or SPL.
8. according to claim 6 or 7 described a kind of light distribution structures, it is characterized in that: described LED light source is set to four, is array distribution.
9. a kind of light distribution structure according to claim 1, it is characterized in that: described reflective surface is arc surface, described arc surface is constituted to the end to end arcwall face of top-direction by a plurality of bottoms along described reflector.
10.LED lamp comprises a lamp socket, it is characterized in that: also comprise the described light distribution structure of claims 1-9 any one, described light distribution structure is installed on described lamp socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206653489U CN202972943U (en) | 2012-12-06 | 2012-12-06 | Light distribution structure and light-emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206653489U CN202972943U (en) | 2012-12-06 | 2012-12-06 | Light distribution structure and light-emitting diode (LED) lamp |
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| Publication Number | Publication Date |
|---|---|
| CN202972943U true CN202972943U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206653489U Expired - Fee Related CN202972943U (en) | 2012-12-06 | 2012-12-06 | Light distribution structure and light-emitting diode (LED) lamp |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982862A (en) * | 2014-05-20 | 2014-08-13 | 深圳市格俏科技有限公司 | Working condition indicator and electronic aroma dispensing device using indicator |
| CN104633540A (en) * | 2013-11-15 | 2015-05-20 | 广东德豪润达电气股份有限公司 | Reflector lamp |
| CN106764515A (en) * | 2017-01-22 | 2017-05-31 | 中山市华艺灯饰照明股份有限公司 | Combined lamp based on fisheye light distribution structure |
| CN107654965A (en) * | 2017-09-22 | 2018-02-02 | 上海亚明照明有限公司 | Conduct heat luminous intensity distribution part and light fixture |
| CN108006590A (en) * | 2016-10-27 | 2018-05-08 | 广州达森灯光股份有限公司 | Novel light-reflecting cup and stage lighting |
| CN111797445A (en) * | 2020-07-14 | 2020-10-20 | 深圳市千百辉照明工程有限公司 | Design method of LED flower-shaped lighting lens and lens |
-
2012
- 2012-12-06 CN CN2012206653489U patent/CN202972943U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633540A (en) * | 2013-11-15 | 2015-05-20 | 广东德豪润达电气股份有限公司 | Reflector lamp |
| CN103982862A (en) * | 2014-05-20 | 2014-08-13 | 深圳市格俏科技有限公司 | Working condition indicator and electronic aroma dispensing device using indicator |
| CN103982862B (en) * | 2014-05-20 | 2017-06-06 | 深圳市格俏科技有限公司 | Mode indicator and the electronic apparatus for evaporating fragrant material using the indicator |
| CN108006590A (en) * | 2016-10-27 | 2018-05-08 | 广州达森灯光股份有限公司 | Novel light-reflecting cup and stage lighting |
| CN106764515A (en) * | 2017-01-22 | 2017-05-31 | 中山市华艺灯饰照明股份有限公司 | Combined lamp based on fisheye light distribution structure |
| CN107654965A (en) * | 2017-09-22 | 2018-02-02 | 上海亚明照明有限公司 | Conduct heat luminous intensity distribution part and light fixture |
| CN111797445A (en) * | 2020-07-14 | 2020-10-20 | 深圳市千百辉照明工程有限公司 | Design method of LED flower-shaped lighting lens and lens |
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