CN204629179U - The LED range light of angular can be limited - Google Patents
The LED range light of angular can be limited Download PDFInfo
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- CN204629179U CN204629179U CN201520352910.6U CN201520352910U CN204629179U CN 204629179 U CN204629179 U CN 204629179U CN 201520352910 U CN201520352910 U CN 201520352910U CN 204629179 U CN204629179 U CN 204629179U
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Abstract
The utility model provides a kind of LED range light limiting angular, comprises aluminium base, light-distribution lens and LED chip; Aluminium base is circular aluminium sheet, and light-distribution lens is fixed on the marginal position of aluminium base; Light-distribution lens comprises exiting surface, bottom surface and reflective side, exiting surface and bottom surface are circular flat and exiting surface diameter is less than basal diameter, the home position of exiting surface and the home position of bottom surface are on the vertical straight line perpendicular to two planes, reflective side is terrace arc surface, one end, reflective side is connected with the marginal position of exiting surface and the other end is connected with the marginal position of bottom surface, and exiting surface, bottom surface and reflective side enclose the cavity forming accommodating LED chip.The light that LED chip sends is incident from bottom surface, some light is transmitted directly to outside exiting surface, another part light reflexes on bottom surface by the total reflection of reflective side, and the light on bottom surface is penetrating exiting surface through diffuse reflection thus as much as possible first pushing up the light range of exposures of LED navigation.
Description
Technical field
The utility model relates to the technical field of LED illumination, particularly relates to a kind of the LED range light and the device that limit angular.
Background technology
The distinguishing features such as LED light source has energy-saving and environmental protection, safety, colour rendering index is high, the life-span is long, volume is little, light efficiency is high, energy consumption is little.Along with the maturation of LED chip and packaging technology, the sufficient brightness of LED light source is to meet the demand of each lighting field, and LED illumination has become.
In some applications, often there is special requirement to the rising angle of light fixture.As the range light on airport, just need light can only from preset beam angle within the scope of outgoing, illumination patterns of then having tried not within the scope of other.Therefore, need when LED light source is applied to above-mentioned field to carry out secondary optical design.Current secondary light-distribution generally all adopts the device such as reflector, reflector to carry out luminous intensity distribution with reflected version to light.But LED light source is different from the omnidirectional conventional light source such as incandescent lamp, metal halid lamp, LED light source, by the luminous diversity of structures shape of its chip package, is difficult to reach default light distribution effect by means of only reflection.Therefore, the light being difficult to LED light source is sent by traditional secondary optical design meets the demand of range light.
Utility model content
For the weak point existed in above-mentioned technology, the utility model provides a kind of light that makes from the LED range light of the limited angular of outgoing within the scope of default beam angle.
In order to achieve the above object, the utility model is a kind of limit angular range light, comprise aluminium base, light-distribution lens and LED chip, described aluminium base is circular aluminium sheet, and described light-distribution lens is fixed on the marginal position of aluminium base, described light-distribution lens comprises exiting surface, bottom surface and reflective side, described exiting surface and bottom surface are circular flat and exiting surface diameter is less than basal diameter, the home position of described exiting surface and the home position of bottom surface are on the vertical straight line perpendicular to two planes, described reflective side is terrace arc surface, one end, described reflective side is connected with the marginal position of exiting surface and the other end is connected with the marginal position of bottom surface, described exiting surface, bottom surface and reflective side enclose the cavity forming accommodating LED chip, described LED chip is fixed on the center of bottom surface and is connected with extraneous power supply by aluminium base.
Wherein, described bottom surface is frosting, and described reflective side is total reflection light face, and LED chip light diffuse reflection can occur in described bottom surface, is totally reflected on reflective side simultaneously, and emission of light and reflection ray are all luminous from exiting surface.
Wherein, the center of described bottom surface caves inward, and forms groove, described groove is rotational symmetric convex structure, described LED chip is fixed on aluminium base, and the luminous site of LED chip is arranged in described groove simultaneously, and the center superposition of its center and described bottom surface.
Wherein, described aluminium base is bent to form by many aluminium sheets, and the bottom surface of described light-distribution lens entirety is fixed on aluminium base by transparent silica gel, and the luminous component of described LED chip is just in time arranged in the cavity that exiting surface, bottom surface and reflective side enclose.
Wherein, the material of described exiting surface, bottom surface and reflective side is polymethyl methacrylate, is connected, also carries out seamless connection by transparent silica gel between described bottom surface with reflective side between described exiting surface with reflective side by transparent silica gel is seamless.
The beneficial effects of the utility model are:
Compared with prior art, the LED range light limiting angular of the present utility model, the LED range light of angular can be limited, the light that LED chip sends is incident from bottom surface, some light is transmitted directly to outside exiting surface, another part light reflexes on bottom surface by the total reflection of reflective side, light on bottom surface is penetrating exiting surface through diffuse reflection, according to different demands, change the angle of inclination of reflective side and the diameter of exiting surface, thus the above-mentioned LED range light limiting angular can be made from bright dipping within the scope of the beam angle preset.In addition, multiple light-distribution lens is arranged around aluminium base.The above-mentioned light-out effect limiting the LED range light of angular is the superposition of multiple light-distribution lens light distribution effect, thus can make above-mentioned limit the LED range light of angular illumination evenly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the LED range light that can limit angular in the utility model preferred embodiment.
Main element symbol description is as follows:
10, aluminium base 11, light-distribution lens
12, LED chip 111, exiting surface
112, bottom surface 113, reflective side
Detailed description of the invention
In order to more clearly state the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 1, a kind of LED range light limiting angular of the utility model, comprises aluminium base 10, light-distribution lens 11 and LED chip 12, aluminium base 10 is circular aluminium sheet, and light-distribution lens 11 is fixed on the marginal position of aluminium base 10, light-distribution lens 11 comprises exiting surface 111, bottom surface 112 and reflective side 113, exiting surface 111 and bottom surface 112 are circular flat and exiting surface 111 diameter is less than bottom surface 112 diameter, the home position of exiting surface 111 and the home position of bottom surface 112 are on the vertical straight line perpendicular to two planes, reflective side 113 is terrace arc surface, one end, reflective side 113 is connected with the marginal position of exiting surface 111 and the other end is connected with the marginal position of bottom surface 112, exiting surface 111, bottom surface 112 and reflective side 113 enclose the cavity forming accommodating LED chip 12, LED chip 12 is fixed on the center of bottom surface 112 and is connected with extraneous power supply by aluminium base 10.
Compared to prior art, the LED range light limiting angular of the present utility model, the LED range light of angular can be limited, the light that LED chip 12 sends is incident from bottom surface 112, some light is transmitted directly to outside exiting surface 111, another part light reflexes on bottom surface 112 by the total reflection of reflective side 113, light on bottom surface 112 is penetrating exiting surface 111 through diffuse reflection, according to different demands, change the angle of inclination of reflective side 113 and the diameter of exiting surface 111, thus the above-mentioned LED range light limiting angular can be made from bright dipping within the scope of the beam angle preset.In addition, multiple light-distribution lens 11 is arranged around aluminium base 10.Therefore, the above-mentioned light-out effect limiting the LED range light of angular is the superposition of multiple light-distribution lens 11 light distribution effect, thus can make above-mentioned limit the LED range light of angular illumination evenly.
In the present embodiment, bottom surface 112 is frosting, and reflective side 113 is total reflection light face, and LED chip 12 light diffuse reflection can occur in bottom surface 112, is totally reflected on reflective side 113 simultaneously, and emission of light and reflection ray are all luminous from exiting surface 111.
In the present embodiment, the center of bottom surface 112 caves inward, and forms groove, groove is rotational symmetric convex structure, LED chip 12 is fixed on aluminium base 10, and the luminous site of LED chip 12 is arranged in groove simultaneously, and the center superposition of its center and bottom surface 112.Arrange groove to be conducive to the light of LED chip 12 on bottom surface 112 and to concentrate, so avoid total reflection and irreflexive effect as far as possible, reduce the loss of light.
In the present embodiment, aluminium base 10 is bent to form by many aluminium sheets, bottom surface 112 entirety of light-distribution lens 11 is fixed on aluminium base 10 by transparent silica gel, and the luminous component of LED chip 12 is just in time arranged in the cavity that exiting surface 111, bottom surface 112 and reflective side 113 enclose.Certainly; the utility model is not limited to and is fixed on aluminium base 10 by bottom surface 112 by transparent silica gel; also can directly make to be screwed; as long as the mode be fixedly connected with between light-distribution lens 11 with aluminium base 10 can be realized; all belong to simple deformation and the conversion of this programme, protection domain of the present utility model should be fallen into.
In the present embodiment, the material of exiting surface 111, bottom surface 112 and reflective side 113 is polymethyl methacrylate, be connected by transparent silica gel is seamless between exiting surface 111 with reflective side 113, between bottom surface 112 with reflective side 113, also carry out seamless connection by transparent silica gel.Certainly; the material of light-distribution lens 11 is not limited to polymethyl methacrylate; also the material of exiting surface 111, bottom surface 112 and reflective side 113 can be arranged to different materials; as long as the processing mode of material said modules accepts to(for) light can be realized; all belong to simple deformation and the conversion of this programme, protection domain of the present utility model should be fallen into.
What more than provide is only several specific embodiment of the present utility model, but the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (5)
1. can limit a LED range light for angular, it is characterized in that, comprise aluminium base, light-distribution lens and LED chip, described aluminium base is circular aluminium sheet, and described light-distribution lens is fixed on the marginal position of aluminium base, described light-distribution lens comprises exiting surface, bottom surface and reflective side, described exiting surface and bottom surface are circular flat and exiting surface diameter is less than basal diameter, the home position of described exiting surface and the home position of bottom surface are on the vertical straight line perpendicular to two planes, described reflective side is terrace arc surface, one end, described reflective side is connected with the marginal position of exiting surface and the other end is connected with the marginal position of bottom surface, described exiting surface, bottom surface and reflective side enclose the cavity forming accommodating LED chip, described LED chip is fixed on the center of bottom surface and is connected with extraneous power supply by aluminium base.
2. the LED range light limiting angular according to claim 1, it is characterized in that, described bottom surface is frosting, described reflective side is total reflection light face, can diffuse reflection be there is in LED chip light in described bottom surface, be totally reflected on reflective side, emission of light and reflection ray are all luminous from exiting surface simultaneously.
3. the LED range light limiting angular according to claim 1, it is characterized in that, the center of described bottom surface caves inward, form groove, described groove is rotational symmetric convex structure, described LED chip is fixed on aluminium base, and the luminous site of LED chip is arranged in described groove simultaneously, and the center superposition of its center and described bottom surface.
4. the LED range light limiting angular according to claim 1, it is characterized in that, described aluminium base is bent to form by many aluminium sheets, the bottom surface entirety of described light-distribution lens is fixed on aluminium base by transparent silica gel, and the luminous component of described LED chip is just in time arranged in the cavity that exiting surface, bottom surface and reflective side enclose.
5. the LED range light limiting angular according to claim 1, it is characterized in that, the material of described exiting surface, bottom surface and reflective side is polymethyl methacrylate, be connected by transparent silica gel is seamless between described exiting surface with reflective side, between described bottom surface with reflective side, also carry out seamless connection by transparent silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520352910.6U CN204629179U (en) | 2015-05-27 | 2015-05-27 | The LED range light of angular can be limited |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520352910.6U CN204629179U (en) | 2015-05-27 | 2015-05-27 | The LED range light of angular can be limited |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204629179U true CN204629179U (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520352910.6U Expired - Fee Related CN204629179U (en) | 2015-05-27 | 2015-05-27 | The LED range light of angular can be limited |
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| Country | Link |
|---|---|
| CN (1) | CN204629179U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257519A (en) * | 2018-04-17 | 2018-07-06 | 深圳市洲明科技股份有限公司 | A kind of LED display |
| CN110454752A (en) * | 2019-09-09 | 2019-11-15 | 深圳博邦诚光电有限公司 | A kind of LED Luminescence Uniformity adjustment device |
| CN116712579A (en) * | 2023-06-25 | 2023-09-08 | 中山市光圣半导体科技有限公司 | LED sterilization module and LED sterilization lamp with light source capable of emitting light uniformly and omnidirectionally |
-
2015
- 2015-05-27 CN CN201520352910.6U patent/CN204629179U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257519A (en) * | 2018-04-17 | 2018-07-06 | 深圳市洲明科技股份有限公司 | A kind of LED display |
| CN110454752A (en) * | 2019-09-09 | 2019-11-15 | 深圳博邦诚光电有限公司 | A kind of LED Luminescence Uniformity adjustment device |
| CN116712579A (en) * | 2023-06-25 | 2023-09-08 | 中山市光圣半导体科技有限公司 | LED sterilization module and LED sterilization lamp with light source capable of emitting light uniformly and omnidirectionally |
| CN116712579B (en) * | 2023-06-25 | 2024-01-09 | 中山市光圣半导体科技有限公司 | LED sterilization module and LED sterilization lamp with light source capable of emitting light uniformly and omnidirectionally |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 |