CN202938113U - Illumination lamp - Google Patents
Illumination lamp Download PDFInfo
- Publication number
- CN202938113U CN202938113U CN 201220649554 CN201220649554U CN202938113U CN 202938113 U CN202938113 U CN 202938113U CN 201220649554 CN201220649554 CN 201220649554 CN 201220649554 U CN201220649554 U CN 201220649554U CN 202938113 U CN202938113 U CN 202938113U
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- reflecting part
- light
- reflector
- emitting window
- substrate
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Abstract
The utility model relates to an illumination lamp which comprises an outer shell, a luminous part, a reflector and a diffusion cover, the luminous part and the reflector are arranged in the outer shell, the reflector comprises a first reflecting part and a second reflecting part, the luminous part is arranged on a light entering port of the first reflecting part, the size of a light exiting port of the first reflecting part is smaller than that of a light entering port of the second reflecting port, the light entering port of the second reflecting part is connected with the light exiting port of the first reflecting part through a contraction and transition part, and the diffusion cover is arranged on the light exiting port of the first reflecting part. Light rays of the diffusion cover of the illumination lamp are more uniform, and luminous efficiency is higher.
Description
Technical field
The utility model is related to a kind of light fixture, more particularly to a kind of illuminator.
Background technology
At present, Down lamp on the market generally comprises cylindrical case, is arranged in cylindrical case luminous component and reflector, diffusion panel is additionally provided with the light-emitting window of Down lamp.The reflector of these Down lamps is usually that parabola rotates the rotary structure to be formed along its axis.The light sent due to luminous component is in lambertian distribution, and the reflector of said structure is difficult that uniform light is reflexed to diffusion panel, causes the light of the light-emitting window of this Down lamp and uneven, general intermediate rays are stronger, and rim ray is weaker.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of illuminator.
In order to solve above technical problem, illuminator of the present utility model includes shell, luminous component, reflector and diffusion shell, the luminous component and reflector are arranged in the shell, the reflector includes the first reflecting part and the second reflecting part, the luminous component is arranged at the light inlet of first reflecting part, the size of the light-emitting window of first reflecting part is smaller than the size of the light inlet of second reflecting part, the light inlet of second reflecting part is connected by shrinking transition part with the light-emitting window of first reflecting part, the diffusion shell is arranged at the light-emitting window of first reflecting part.
Preferably, the contraction transition part is in tabular.
Preferably, the inwall of second reflecting part is provided with projection, and the diffusion shell is clamped in the projection between the contraction transition part.
Preferably, the size of the light-emitting window of first reflecting part is more than the size of the light inlet of first reflecting part, and the size of the light-emitting window of second reflecting part is more than the size of the light inlet of second reflecting part.
Preferably, first reflecting part is in round table-like, and the diameter of the light inlet with diameter greater than first reflecting part of the light-emitting window of first reflecting part.
Preferably, second reflecting part is in round table-like, and the diameter of the light inlet with diameter greater than second reflecting part of the light-emitting window of second reflecting part.
Preferably, the luminous component includes LED light source and substrate, and the LED light source is installed on the substrate.
Preferably, the substrate is ceramic substrate；Or the substrate is pcb board；Or the substrate is aluminium base.
Preferably, the substrate passes through screw and the cage connection.
Preferably, the quantity of the LED light source is multiple.
Preferably, the illuminator is Down lamp, and the shell is cylindrical case.
Preferably, the reflector is specular reflector.
By the way that reflector is designed to include the first reflecting part and the second reflecting part, make size of the size less than the light inlet of the second reflecting part of the first reflecting part light-emitting window, the area of the light-emitting window of the first reflecting part is exactly set to be less than the area of the second reflecting part light inlet, diffusion shell is also arranged on to the light-emitting window of the first reflecting part, diffusion shell is set to constitute a less Individual optical chamber with the first reflecting part, luminous intensity distribution of the light of luminous component through the optics cavity, in the diffusion shell uniform, equivalent to the area source that a uniformly light-emitting is formed in the outer surface of diffusion shell, so that light fixture light is more uniform；And can be by the emergent ray angle control of illuminator in certain limit, the luminous flux in control wide-angle direction plays a part of preventing dazzle.Compared with the prior art, the light inlet of reflector of the present utility model is smaller, in the case of LED light source quantity identical, LED arranges to obtain more crypto set, can not only reduce substrate area, so as to save substrate cost, and can improve the uniform light degree of diffusion shell.Because LED light source is arranged to obtain more crypto set, so diffusion shell can also reduce with the distance between LED light source, so that the luminous flux increase of the direct outgoing of LED, it is to avoid the multiple reflections on reflector, increase light efficiency.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of embodiment of illuminator of the present utility model；
Fig. 2 is the sectional view of illuminator in Fig. 1；
Fig. 3 is the schematic diagram of the reflector of illuminator in Fig. 1；
Fig. 4 is the enlarged drawing of part A in Fig. 3；
Fig. 5 is a kind of schematic diagram of luminous component of illuminator in Fig. 1.
Embodiment
It is described in detail with reference to a kind of Fig. 1-5 pairs of embodiments of the present utility model.Down lamp as a kind of embodiment of the utility model illuminator includes shell 1, luminous component, reflector 6 and diffusion shell 5, the luminous component and reflector 6 are arranged in the shell 1, the reflector 6 includes the first reflecting part 61 and the second reflecting part 63, the luminous component is arranged at the light inlet of first reflecting part 61, the light inlet of second reflecting part 63 is connected by shrinking the light-emitting window of transition part 62 and size first reflecting part 61 smaller than the light inlet of second reflecting part 63, the diffusion shell 5 is arranged at the light-emitting window of first reflecting part 61, so, the reflecting part 61 of diffusion shell 5 and first constitutes an independent optics cavity, luminous intensity distribution of the light of luminous component through the optics cavity, in the uniform of diffusion shell 5, equivalent to the area source that a uniformly light-emitting is formed in the outer surface of diffusion shell 5, so that light fixture light is more uniform；And can be by the emergent ray angle control of illuminator in certain limit, the luminous flux in control wide-angle direction plays a part of preventing dazzle.In the present embodiment, the luminous component includes LED light source and substrate 2, and the LED light source is arranged on the substrate 2, and the LED light source includes multiple white LED light sources 8 and multiple red-light LED light sources 9.In the present embodiment, the contraction transition part 62 is in tabular.The inwall of the reflector 6 is provided with projection 65, and the diffusion shell 5 is clamped in the projection 65 between the contraction transition part 62.The size of the light-emitting window of first reflecting part 61 is more than the size of the light inlet of first reflecting part 61, the size of the light-emitting window of second reflecting part 63 is more than the size of the light inlet of second reflecting part 63, specifically, in the present embodiment, first reflecting part 61 is in round table-like, and the diameter of the light inlet with diameter greater than first reflecting part 61 of the light-emitting window of first reflecting part 61.Second reflecting part 63 is in round table-like, and the diameter of the light inlet with diameter greater than second reflecting part 63 of the light-emitting window of second reflecting part 63.Compared with prior art, the size of the light inlet of reflector 6 significantly reduces, the size of the light inlet of i.e. described first reflecting part 61 significantly reduces, in the case of LED light source quantity identical, LED arranges to obtain more crypto set, substrate area can not only be reduced, so as to save substrate cost, and the uniform light degree of diffusion shell can be improved.Because LED light source is arranged to obtain more crypto set, so diffusion shell can also reduce with the distance between LED light source, so that the luminous flux increase of the direct outgoing of LED, it is to avoid the multiple reflections on reflector, increase light efficiency.The substrate 2 is ceramic substrate or pcb board or aluminium base.By the way that the first reflecting part 61 and the second reflecting part 63 are made into truncated cone-shaped, the reflector with arc surfaced is compared, and processing more facilitates.The substrate 2 is connected by screw 3 with the shell 1.The reflector 6 is specular reflector.
By the way that reflector is designed to include the first reflecting part and the second reflecting part, make size of the size less than the light inlet of the second reflecting part of the first reflecting part light-emitting window, the area of the light-emitting window of the first reflecting part is exactly set to be less than the area of the second reflecting part light inlet, diffusion shell is also arranged on to the light-emitting window of the first reflecting part, diffusion shell is set to constitute a less Individual optical chamber with the first reflecting part, luminous intensity distribution of the light of luminous component through the optics cavity, in the diffusion shell uniform, equivalent to the area source that a uniformly light-emitting is formed in the outer surface of diffusion shell, so that light fixture light is more uniform；And can be by the emergent ray angle control of illuminator in certain limit, the luminous flux in control wide-angle direction plays a part of preventing dazzle.Compared with the prior art, the light inlet of reflector of the present utility model is smaller, in the case of LED light source quantity identical, LED arranges to obtain more crypto set, can not only reduce substrate area, so as to save substrate cost, and can improve the uniform light degree of diffusion shell.Because LED light source is arranged to obtain more crypto set, so diffusion shell can also reduce with the distance between LED light source, so that the luminous flux increase of the direct outgoing of LED, it is to avoid the multiple reflections on reflector, increase light efficiency.
As a kind of simple deformation of the present embodiment, the contraction transition part can also be in truncated cone-shaped, and it is more than angle of second reflecting part with illuminator central shaft with the angle of illuminator central shaft, and also greater than angle of first reflecting part with illuminator central shaft.
Claims (10)
1. a kind of illuminator, including shell, luminous component, reflector and diffusion shell, the luminous component and reflector are arranged in the shell, it is characterized in that, the reflector includes the first reflecting part and the second reflecting part, the luminous component is arranged at the light inlet of first reflecting part, the size of the light-emitting window of first reflecting part is smaller than the size of the light inlet of second reflecting part, the light inlet of second reflecting part is connected by shrinking transition part with the light-emitting window of first reflecting part, and the diffusion shell is arranged at the light-emitting window of first reflecting part.
2. illuminator according to claim 1, it is characterised in that the contraction transition part is in tabular.
3. the illuminator according to claims 1 or 2, it is characterised in that the inwall of second reflecting part is provided with projection, the diffusion shell is clamped in the projection between the contraction transition part.
4. illuminator according to claim 1, it is characterized in that, the size of the light-emitting window of first reflecting part is more than the size of the light inlet of first reflecting part, and the size of the light-emitting window of second reflecting part is more than the size of the light inlet of second reflecting part.
5. illuminator according to claim 1, it is characterised in that first reflecting part is in round table-like, and the diameter of the light inlet with diameter greater than first reflecting part of the light-emitting window of first reflecting part.
6. illuminator according to claim 1, it is characterised in that second reflecting part is in round table-like, and the diameter of the light inlet with diameter greater than second reflecting part of the light-emitting window of second reflecting part.
7. illuminator according to claim 1, it is characterised in that the luminous component includes LED light source and substrate, the LED light source is installed on the substrate.
8. illuminator according to claim 7, it is characterised in that the substrate is ceramic substrate；Or the substrate is pcb board；Or the substrate is aluminium base.
9. illuminator according to claim 7, it is characterised in that the substrate passes through screw and the cage connection.
10. illuminator according to claim 1, it is characterised in that the reflector is specular reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220649554 CN202938113U (en) | 2012-12-01 | 2012-12-01 | Illumination lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220649554 CN202938113U (en) | 2012-12-01 | 2012-12-01 | Illumination lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202938113U true CN202938113U (en) | 2013-05-15 |
Family
ID=48322350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220649554 Expired - Fee Related CN202938113U (en) | 2012-12-01 | 2012-12-01 | Illumination lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202938113U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570731A (en) * | 2014-11-06 | 2016-05-11 | 欧普照明股份有限公司 | LED lamp |
| CN105588078A (en) * | 2014-11-06 | 2016-05-18 | 欧普照明股份有限公司 | Illumination cavity |
| EP3511614B1 (en) * | 2017-05-26 | 2022-05-18 | Opple Lighting Co., Ltd. | Illuminating device |
-
2012
- 2012-12-01 CN CN 201220649554 patent/CN202938113U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570731A (en) * | 2014-11-06 | 2016-05-11 | 欧普照明股份有限公司 | LED lamp |
| CN105588078A (en) * | 2014-11-06 | 2016-05-18 | 欧普照明股份有限公司 | Illumination cavity |
| EP3511614B1 (en) * | 2017-05-26 | 2022-05-18 | Opple Lighting Co., Ltd. | Illuminating device |
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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 |
Granted publication date: 20130515 Termination date: 20211201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |