CN204534217U - Big-angle LED lamp - Google Patents
Big-angle LED lamp Download PDFInfo
- Publication number
- CN204534217U CN204534217U CN201520177487.0U CN201520177487U CN204534217U CN 204534217 U CN204534217 U CN 204534217U CN 201520177487 U CN201520177487 U CN 201520177487U CN 204534217 U CN204534217 U CN 204534217U
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- lens
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- light source
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- led light
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Abstract
A kind of big-angle LED lamp, comprise bulb housing, first lens, second lens, substrate, the first LED light source on the substrate and body are set, these first lens are circulus, the bottom surface of these the first lens is positioned at the top of described first LED light source, the end face of these the first lens is provided with at least one light distribution surface, described light distribution surface comprises an inclined-plane and a facade, the height of this inclined-plane this first LED light source relative raises gradually on the direction away from this first lens centre, the top of this facade connects the top on this inclined-plane, a part of light that this inclined-plane is used for LED light source to send reflects towards this facade, another part light reflects towards this bulb housing top, these the second lens are arranged on the periphery of these the first lens, these second lens comprise incidence surface and exiting surface, the outermost facade of the corresponding described light distribution surface of this incidence surface tilts, this exiting surface to should bulb housing bottom arrange.This big-angle LED lamp has the advantage of Omnibearing even luminescence.
Description
Technical field
The utility model relates to lighting field, particularly a kind of big-angle LED lamp.
Background technology
In recent years, because the development of LED industry is rapid, LED lamp progressively replaces traditional lighting.For room lighting LEDbulb lamp, be: bulb luminescence not only will possess isotropic directivity, and light distribution to be tried one's best evenly avoid light and shade uneven, otherwise user to feel depressed to the basic demand of its light distribution and brightness.In order to specification LEDbulb lamp is produced, the star of american energy has issued the new standard of LED illumination, defines the light distribution of omnirange LED (also referred to as directionless lamp) in a standard.In this regulation, when immediately below bulb, regulation is 0 °, in the scope of each 135 ° of its both sides, its luminous flux at least will reach 20% of lamp total light flux, and within the scope of 135 ° ~ 180 °, its luminous flux at least will reach 5% of lamp total light flux.Namely large at bulb side inferior segment 270 ° of scope inner glow intensities and will be evenly distributed, within the scope of 90 °, top, luminous flux can not be too little.As everyone knows, LED light source is due to encapsulation, and its light-emitting area is 180 ° to the maximum, and light-emitting area is narrow, cannot realize omnibearing luminous.Therefore, how to provide a kind of LED lamp to be lifted out angular, to reach wide-angle luminous intensity distribution, become one of important topic.
Utility model content
In view of this, be necessary to provide one to be lifted out angular, to reach the big-angle LED lamp of Omnibearing even luminescence.
The technical solution adopted in the utility model is: a kind of big-angle LED lamp, comprise bulb housing, first lens, second lens, substrate, the first LED light source on the substrate and body are set, this substrate is fixed on the top of this body, this bulb housing covers at the top of this body, this bulb housing is more than half bubble shell structure, external diameter in the middle part of this bulb housing is greater than the external diameter of bottom opening, these first lens are circulus, this the first LED light source comprises the LED light source of many circular array, the bottom surface of these the first lens is positioned at the top of described first LED light source and on orthographic projection direction, covers described first LED light source, the end face of these the first lens is provided with at least one light distribution surface, described light distribution surface comprises an inclined-plane and a facade, the height of this inclined-plane this first LED light source relative raises gradually on the direction away from this first lens centre, the top of this facade connects the top on this inclined-plane, the bottom of this facade is arranged near this first LED light source, a part of light that this inclined-plane is used for LED light source to send reflects towards this facade, another part light reflects towards this bulb housing top, these the second lens are arranged on the periphery of these the first lens, these second lens comprise incidence surface and exiting surface, the outermost facade of the corresponding described light distribution surface of this incidence surface tilts, this exiting surface to should bulb housing bottom arrange, this incidence surface is used for towards this exiting surface refracted ray, this exiting surface is used for the bottom refracted ray towards this bulb housing.
Compared with prior art, the utility model big-angle LED lamp arranges these first lens and this second lens, by the light distribution surface of this first lens section and the incidence surface of this second lens section and the cooperation of exiting surface, after the light that this first LED light source is sent to these first lens, or pass through the reflection of inclined-plane towards this facade of this light distribution surface successively, this facade towards the refraction of this incidence surface and this incidence surface after the reflection of this exiting surface, illuminated the bottom of this bulb housing towards the bottom refraction of this bulb housing by this exiting surface, or illuminate top and the sidewall of this bulb housing towards the refraction of the top of this bulb housing from this light distribution surface, the whole lamp of this big-angle LED lamp is made to reach the effect of Omnibearing even luminescence.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of the utility model first embodiment big-angle LED lamp.
Fig. 2 is the profile after the assembling of big-angle LED lamp shown in Fig. 1.
Fig. 3 is the light path schematic diagram of big-angle LED lamp shown in Fig. 2.
Description of reference numerals:
100 big-angle LED lamp 10 bulb housing 20 substrates
30 body 40 first lens 50 second lens
21 first LED light source 22 second LED light source 41 light distribution surface
411 inclined-plane 412 facade 42 first planes of incidence
43 vertical plane 51 incidence surface 52 exiting surfaces
53 second planes of incidence
Detailed description of the invention
Below by way of specific embodiment, the utility model is elaborated:
Fig. 1 is the three-dimensional exploded view of the utility model first embodiment extensive angle LED 100, this big-angle LED lamp 100 comprises bulb housing 10, first lens 40, second lens 50, substrate 20, is arranged on the first LED light source 21 on this substrate 20 and body 30, this substrate 20 is fixed on the top of this body 10, this bulb housing 10 covers at the top of this body 20, this bulb housing 10 is more than half bubble shell structure, and the external diameter in the middle part of this bulb housing 10 is greater than the external diameter of bottom opening.
Please refer to Fig. 1, Fig. 2, in the present embodiment, these the second lens 50 are arranged on the periphery of these the first lens 40, can be that these first lens 40 are one-body molded with these second lens 50.
Please refer to Fig. 1, Fig. 2, these first lens 40 are circulus, this the first LED light source 21 comprises the LED light source of many circular array, and the bottom surface of these the first lens 40 is positioned at the top of this first LED light source 21 and on orthographic projection direction, covers this first LED light source 21.The end face of these the first lens 40 is provided with multiple light distribution surface 41, each light distribution surface 41 comprises an inclined-plane 411 and a facade 412, the height of this inclined-plane 411 this first LED light source 21 relative raises gradually on the direction away from this first lens 40 center, the top of this facade 412 connects the top on this inclined-plane 411, the bottom of this facade 412 is arranged near this first LED light source 21, this inclined-plane 411 reflects towards this facade 412 for a part of light sent by LED light source, and another part light reflects towards this bulb housing 10 top.The bottom of these the first lens 40 is provided with first plane of incidence 42, and this first plane of incidence 42 is the cambered surface protruded towards this first LED light source 21, and this first plane of incidence 42 reflects towards these light distribution surface 41 for the some light sent by this first LED light source 21.
Please refer to Fig. 2, in the present embodiment, these first lens 40 comprise multiple light distribution surface 41, these light distribution surface 41 are circulus, these light distribution surface 41 arrange along the center of these the first lens 40 to edge and form concentric ring structure, and the height of these light distribution surface 41 this first LED light source 21 relative raises gradually on the direction away from this first lens 40 center.During practice, can according to the consideration of design, these first lens 40 also only can comprise a light distribution surface 41, and reflect towards this facade 412 as long as realize a part of light that LED light source sends by this inclined-plane 411, another part light reflects towards this bulb housing 10 top.
Please refer to Fig. 2, these second lens 50 comprise incidence surface 51 and exiting surface 52, and this incidence surface 51 is for towards this exiting surface 52 refracted ray.The outermost facade 412 of this incidence surface 51 these light distribution surface 41 corresponding tilts, make the light that this incidence surface 51 reflects towards this exiting surface 52 reflecting part from this facade 412, this incidence surface 51 is the inclination globoidal structure protruded out towards the direction away from this substrate 20.This exiting surface 52 to should bulb housing 10 bottom arrange, this exiting surface 52 protrudes out towards the direction away from this incidence surface 51 and forms ring-type convex lens structures with this incidence surface 51, and this exiting surface 52 is for the bottom refracted ray towards this bulb housing 10.This incidence surface 51 forms convex lens structures with this exiting surface 52, makes the light reflected from this incidence surface 51 to this exiting surface 52 more can be mapped to the bottom of this bulb housing 10.The bottom surface of these the second lens 50 is provided with second plane of incidence 53, this second plane of incidence 53 is inclined plane, the top of this second plane of incidence 53 is connected with the bottom edge of these the first lens 40, the bottom of this second plane of incidence 53 is connected with the bottom of this exiting surface 52, and this second plane of incidence 53 is for towards this incidence surface 51 refracted ray.This substrate 20 is provided with the second LED light source 22, this second LED light source 22 comprises the LED light source of many circular array, and this second LED light source 22 is arranged in the drop shadow spread of this second plane of incidence 53 on this substrate 20.
In the present embodiment, the bottom surface of these the first lens 40 is provided with roughly vertical with this substrate 20 vertical plane 43, the top of this second plane of incidence 53 is connected with the top of this vertical plane 43, like this, the some light that this first LED light source 21 is sent can more reflect towards second plane of incidence 53 of these the second lens 50, the brightness increased bottom this bulb housing 10 by the reflection of this incidence surface 51 and the refraction of this exiting surface 52.
Please refer to Fig. 2 and Fig. 3, Fig. 3 is the light path schematic diagram of the present embodiment big-angle LED lamp 100.When this big-angle LED lamp 100 works, most of light that this first LED light source 21 sends is refracted in the light distribution surface 41 of these the first lens 40 through first plane of incidence 42 of these the first lens 40, some light is refracted on the incidence surface 51 of this second lens section 50 by this inclined-plane 411 by this light distribution surface 41 after this facade 412 reflects, the exiting surface 52 of light towards these the second lens 50 reflects by this incidence surface 51, eventually passes this exiting surface 52 and reflects towards the bottom of this bulb housing 10 and illuminate the bottom of this bulb housing 10; Another part light directly to the top of this bulb housing 10 or sidewall refraction, thus is illuminated top and the sidewall of this bulb housing 10 by this inclined-plane 411.In addition, another part light that this first LED light source 21 sends can also be refracted on this incidence surface 51 by second plane of incidence 53 of these the second lens 50, successively through the reflection of this incidence surface 51, the refraction of this exiting surface 52 and strengthen the brightness of the bottom of this bulb housing 10.Like this, the light that this first LED light source 21 sends, by the luminous intensity distribution of these first lens 40 and the second lens 50, makes the top of this bulb housing 10, sidewall and bottom be uniformly illuminated, and realizes the luminous intensity distribution of wide-angle.Further, this substrate 20 is provided with the second LED light source 22, the light that this second LED light source 22 sends is reflected towards this incidence surface 51 by second plane of incidence 53 of these the second lens 50, the exiting surface 52 of light towards these the second lens 50 reflects by this incidence surface 51, eventually passes this exiting surface 52 and reflects and increase the brightness of the bottom of this bulb housing 10.By more than, when LED light source number is more, the application, by the arrangement of dicyclo LED light source, is arranged by the inner and outer ring of these first lens 40 and these the second lens 50 and carries out luminous intensity distribution to dicyclo LED light source, thus realize the large angle illumination of this big-angle LED lamp.
In sum, the utility model big-angle LED lamp 100 arranges these first lens 40 and this second lens 50, by the cooperation of the light distribution surface 41 of this first lens section 40 and the incidence surface 51 of this second lens section 50 and exiting surface 52, after the light that this first LED light source 21 is sent to these first lens 40, or pass through the reflection of inclined-plane 411 towards this facade 412 of this light distribution surface 41 successively, this facade 412 towards the refraction of this incidence surface 51 and this incidence surface 51 after the reflection of this exiting surface 52, illuminated the bottom of this bulb housing 10 towards the bottom refraction of this bulb housing 10 by this exiting surface 52, or illuminate top and the sidewall of this bulb housing 10 towards the refraction of the top of this bulb housing 10 from this light distribution surface 41, the whole lamp of this big-angle LED lamp 100 is made to reach the effect of Omnibearing even luminescence.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that the utility model protects.
Claims (11)
1. a big-angle LED lamp, comprise bulb housing, first lens, second lens, substrate, the first LED light source on the substrate and body are set, this substrate is fixed on the top of this body, this bulb housing covers at the top of this body, it is characterized in that: this bulb housing is more than half bubble shell structure, external diameter in the middle part of this bulb housing is greater than the external diameter of bottom opening, these first lens are circulus, this the first LED light source comprises the LED light source of many circular array, the bottom surface of these the first lens is positioned at the top of described first LED light source and on orthographic projection direction, covers described first LED light source, the end face of these the first lens is provided with at least one light distribution surface, described light distribution surface comprises an inclined-plane and a facade, the height of this inclined-plane this first LED light source relative raises gradually on the direction away from this first lens centre, the top of this facade connects the top on this inclined-plane, the bottom of this facade is arranged near this first LED light source, a part of light that this inclined-plane is used for LED light source to send reflects towards this facade, another part light reflects towards this bulb housing top, these the second lens are arranged on the periphery of these the first lens, these second lens comprise incidence surface and exiting surface, the outermost facade of the corresponding described light distribution surface of this incidence surface tilts, this exiting surface to should bulb housing bottom arrange, this incidence surface is used for towards this exiting surface refracted ray, this exiting surface is used for the bottom refracted ray towards this bulb housing.
2. big-angle LED lamp according to claim 1, is characterized in that: described light distribution surface is circulus.
3. big-angle LED lamp according to claim 2, is characterized in that: comprise multiple light distribution surface, and described light distribution surface arranges along the center of these the first lens to edge and forms concentric ring structure.
4. big-angle LED lamp according to claim 3, is characterized in that: the height of described light distribution surface this first LED light source relative raises gradually on the direction away from this first lens centre.
5. big-angle LED lamp according to claim 1, it is characterized in that: the bottom of these the first lens is provided with first plane of incidence, this first plane of incidence is the cambered surface protruded towards this first LED light source, and this first plane of incidence is used for the some light that this first LED light source sends to reflect towards described light distribution surface.
6. big-angle LED lamp according to claim 1, it is characterized in that: the bottom surface of these the second lens is provided with second plane of incidence, this second plane of incidence is inclined plane, the top of this second plane of incidence is connected with the bottom edge of these the first lens, and the bottom of this second plane of incidence is connected with the bottom of this exiting surface.
7. big-angle LED lamp according to claim 6, is characterized in that: the bottom surface of these the first lens is provided with roughly vertical with this substrate vertical plane, and the top of this second plane of incidence is connected with the top of this vertical plane.
8. big-angle LED lamp according to claim 6, it is characterized in that: this substrate is provided with the second LED light source, this second LED light source is arranged in this second plane of incidence drop shadow spread on the substrate, and this second LED light source comprises the LED light source of many circular array.
9. big-angle LED lamp according to claim 1, is characterized in that: this incidence surface is the inclination globoidal structure protruded out towards the direction away from this substrate.
10. big-angle LED lamp according to claim 1, is characterized in that: this exiting surface protrudes out towards the direction away from this incidence surface and forms ring-type convex lens structures with this incidence surface.
11. big-angle LED lamps according to claim 1, is characterized in that: these first lens and this second lens one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520177487.0U CN204534217U (en) | 2015-03-27 | 2015-03-27 | Big-angle LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520177487.0U CN204534217U (en) | 2015-03-27 | 2015-03-27 | Big-angle LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204534217U true CN204534217U (en) | 2015-08-05 |
Family
ID=53748219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520177487.0U Withdrawn - After Issue CN204534217U (en) | 2015-03-27 | 2015-03-27 | Big-angle LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204534217U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712938A (en) * | 2015-03-27 | 2015-06-17 | 立达信绿色照明股份有限公司 | Wide-angle LED lamp |
| CN105465636A (en) * | 2016-01-28 | 2016-04-06 | 漳州立达信光电子科技有限公司 | Led lamp |
| CN106051515A (en) * | 2016-05-30 | 2016-10-26 | 众普森科技（株洲）有限公司 | Light distribution unit and light distribution assembly |
| CN112747289A (en) * | 2019-10-31 | 2021-05-04 | 罗布照明公司 | System and method for producing a mixed light distribution from an LED luminaire |
-
2015
- 2015-03-27 CN CN201520177487.0U patent/CN204534217U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104712938A (en) * | 2015-03-27 | 2015-06-17 | 立达信绿色照明股份有限公司 | Wide-angle LED lamp |
| CN104712938B (en) * | 2015-03-27 | 2018-05-01 | 漳州立达信光电子科技有限公司 | Big-angle LED lamp |
| CN105465636A (en) * | 2016-01-28 | 2016-04-06 | 漳州立达信光电子科技有限公司 | Led lamp |
| CN106051515A (en) * | 2016-05-30 | 2016-10-26 | 众普森科技（株洲）有限公司 | Light distribution unit and light distribution assembly |
| CN112747289A (en) * | 2019-10-31 | 2021-05-04 | 罗布照明公司 | System and method for producing a mixed light distribution from an LED luminaire |
| CN112747289B (en) * | 2019-10-31 | 2023-06-06 | 罗布照明公司 | System and method for generating a mixed light distribution from an LED luminaire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170118 Address after: Xingtai Industrial Park Economic Development Zone, Changtai County, Fujian city of Zhangzhou province 363999 Patentee after: ZHANGZHOU LIDAXIN PHOTOELECTRON TECHNOLOGY CO., LTD. Address before: 363999 Xingda Road, Fujian city of Zhangzhou province Changtai Xingtai County Development Zone Patentee before: Leedarson Green Lighting Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150805 Effective date of abandoning: 20180501 |
|
| AV01 | Patent right actively abandoned |