CN104075246B - Mine lamp reflector and there is the illuminator of this mine lamp reflector - Google Patents
Mine lamp reflector and there is the illuminator of this mine lamp reflector Download PDFInfo
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- CN104075246B CN104075246B CN201310109839.4A CN201310109839A CN104075246B CN 104075246 B CN104075246 B CN 104075246B CN 201310109839 A CN201310109839 A CN 201310109839A CN 104075246 B CN104075246 B CN 104075246B
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- reflecting surface
- lamp reflector
- mine lamp
- illuminator
- ellipsoid
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Abstract
The present invention relates to a kind of mine lamp reflector, described mine lamp reflector has a cavity, and described mine lamp reflector is to including first reflecting surface by cavity, and described first reflecting surface is an ellipsoid；One the second reflecting surface, described second reflecting surface is connected with described first reflecting surface, and described second reflecting surface is a parabola；And the 3rd reflecting surface, described 3rd reflecting surface is connected with described second reflecting surface, and described second reflecting surface is between described first reflecting surface and described 3rd reflecting surface, and described 3rd reflecting surface is a face of cylinder.The invention still further relates to a kind of illuminator adopting this mine lamp reflector.Described mine lamp reflector and adopt the illuminator of this mine lamp reflector not only to obtain maximum central light strength, and achieve the spot size of positive and negative 60 degree, meet light distribution requirements and the lighting requirement of coal mine's cap-lamp.
Description
Technical field
The present invention relates to lighting field, further relate to a kind of mine lamp reflector and adopt the illuminator of this mine lamp reflector.
Background technology
Along with the continuous enhancing of light emitting diode (LightEmittingDiode, LED) luminous flux and light efficiency, LED is also more and more extensive in the application of each lighting field.But, the cosine distribution that the light intensity of LED is substantially, in most of the cases all it is difficult to meet the requirement of different lighting field, such as in the mine lamp field of coal industry, it is necessary to be not less than 30 degree vertically upward, it is not less than 60 degree vertically downward, horizontal direction is not less than in the scope of 45 degree and forms light intensity is not less than the hot spot of 1cd (candela, candela), and center of maximum light intensity is not less than 1500cd, therefore, LED light source is designed suitable secondary light-distribution reflector to be particularly important.
At present, the bus of the mine lamp reflector that market adopts is many based on single parabola, and this reflector has two shortcomings:
1, when light-emitting window footpath is made less, although central light strength can be improved to greatest extent, but the demand of spot size cannot be met；
2, when light-emitting window footpath is made bigger, although the demand of spot size can be met, but central light strength cannot be improved again.
Summary of the invention
It is an object of the invention to provide a kind of mine lamp reflector and a kind of illuminator adopting this mine lamp reflector, in order to solve existing airport mine lamp reflector and the technical problem of illuminator existence.
Described mine lamp reflector includes:
A kind of mine lamp reflector, described mine lamp reflector has a cavity, and described mine lamp reflector is to including by cavity:
One the first reflecting surface, described first reflecting surface is an ellipsoid；
One the second reflecting surface, described second reflecting surface is connected with described first reflecting surface, and described second reflecting surface is a parabola；And
One the 3rd reflecting surface, described 3rd reflecting surface is connected with described second reflecting surface, and described second reflecting surface is between described first reflecting surface and described 3rd reflecting surface, and described 3rd reflecting surface is a face of cylinder；
The some light that described LED source sends is reflexed in receiving surface for twice by described ellipsoid and the described face of cylinder.
Described illuminator includes a LED source and a mine lamp reflector.Described mine lamp reflector has a cavity housing this LED source, described mine lamp reflector is to including first reflecting surface, second reflecting surface and the 3rd reflecting surface by cavity, described first reflecting surface is an ellipsoid, described second reflecting surface is connected with described first reflecting surface, and described second reflecting surface is a parabola, described 3rd reflecting surface is connected with described second reflecting surface, and described second reflecting surface is between described first reflecting surface and described 3rd reflecting surface, described 3rd reflecting surface is a face of cylinder；
The some light that described LED source sends is reflexed in receiving surface for twice by described ellipsoid and the described face of cylinder.
Relative to prior art, described mine lamp reflector includes multiple optical surface, including the first reflecting surface, second reflecting surface, and the 3rd reflecting surface, each optical surface is controlled for the light that the LED source of different angles is sent, wherein, first reflecting surface is an ellipsoid, second reflecting surface is a parabola, 3rd reflecting surface is a face of cylinder, the principal rays that LED source sends passes through parabolic reflector to receiving surface, form center parallel high light (0-10 degree), the some light that LED source sends is reflexed to for twice in receiving surface by ellipsoid and the face of cylinder, form edge hot spot (40-60 degree)；It addition, the some light that LED source sends is directed in receiving surface, form the hot spot about 20-40 degree.Thus, described mine lamp reflector and adopt the illuminator of this mine lamp reflector not only to obtain maximum central light strength, and achieve the spot size of positive and negative 60 degree, meet light distribution requirements and the lighting requirement of coal mine's cap-lamp.
Accompanying drawing explanation
In order to be illustrated more clearly that technical scheme, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the mine lamp reflector that first embodiment of the invention provides；
Fig. 2 is the top view of mine lamp reflector shown in Fig. 1；
Fig. 3 is the side view of mine lamp reflector shown in Fig. 1；
Fig. 4 is the light path schematic diagram of the illuminator that second embodiment of the invention provides；
Fig. 5 is the distribution curve flux figure of illuminator polar coordinate representation shown in Fig. 4；
Fig. 6 is that illuminator rectangular coordinate shown in Fig. 4 represents distribution curve flux figure；
Fig. 7 is the illumination figure at 2 meters of of the illuminator shown in Fig. 4.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
Seeing also Fig. 1 to Fig. 3, first embodiment of the invention provides a kind of mine lamp reflector 100, and it has a cavity 50, and described mine lamp reflector 100 is to including the first reflecting surface the 10, second reflecting surface 20 and the 3rd reflecting surface 30 by cavity 50.
In the present embodiment, described first reflecting surface 10 is an ellipsoid, and described ellipsoid meets oval agenda:
Described second reflecting surface 20 is connected with described first reflecting surface 10, and described second reflecting surface 20 is a parabola.
In the present embodiment, described parabola meets parabolic equation:
y2=15.2x.
Described 3rd reflecting surface 30 is connected with described second reflecting surface 20, and described second reflecting surface 20 is between described first reflecting surface 10 and described 3rd reflecting surface 30, and described 3rd reflecting surface 30 is a face of cylinder.
It addition, in the present embodiment, described mine lamp reflector 100 still further comprises a circular outer edge 70, described circular outer edge 70 by described mine lamp reflector 100 to should the side of the 3rd reflecting surface 30 extend outward.
In the present embodiment, described mine lamp reflector 100 light-emitting window footpath is 38mm, and lower port diameter is 18.9mm, as in figure 2 it is shown, it addition, the height of described mine lamp reflector 100 is 27.2mm, as shown in Figure 3.
Please also refer to Fig. 4, second embodiment of the invention also provides for a kind of illuminator 200 adopting above-mentioned mine lamp reflector 100.Described illuminator 200 includes LED source 300 and described mine lamp reflector 100, and wherein, described LED source 300 is arranged on the cavity 50 of described lens 10.Specifically, described LED source 300 adopts the GoldenDragon series high-power LED light source that OSRAM company of Germany produces, its center is correspondingly arranged at the center of the side 40 of described mine lamp reflector 100, and described side 40 is connected with described first reflecting surface 10.
Owing to described mine lamp reflector 100 includes multiple optical surface, including the first reflecting surface 10 (ellipsoid), second reflecting surface 20 (parabola), and the 3rd reflecting surface 30 (face of cylinder), each optical surface is controlled for the light that the LED source 300 of different angles is sent, during use, the principal rays that LED source 300 sends reflexes in receiving surface by parabola 20, form center parallel high light (0-10 degree), the some light that LED source 300 sends is reflexed to for twice in receiving surface by ellipsoid 10 and the face of cylinder 30, form edge hot spot (40-60 degree)；It addition, the some light that LED source 300 sends can be directed in receiving surface, form the hot spot about 20-40 degree.Thus, described mine lamp reflector and adopt the illuminator of this mine lamp reflector not only to obtain maximum central light strength, and achieve the spot size of positive and negative 60 degree, meet light distribution requirements and the lighting requirement of coal mine's cap-lamp.
Fig. 5 is described illuminator 200 light intensity polar coordinate representation distribution curve flux figure, Visible illumination device 200 central light strength is up to 4500cd, Fig. 6 is that described illuminator 200 light intensity rectangular coordinate represents distribution curve flux figure, Fig. 7 is its illumination figure, it is seen that illuminator 200 light intensity within the scope of positive and negative 60 degree is all higher than 1cd.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (8)
1. a mine lamp reflector, for LED source, described mine lamp reflector has a cavity, and described mine lamp reflector is to including by cavity:
One the first reflecting surface, described first reflecting surface is an ellipsoid；
One the second reflecting surface, described second reflecting surface is connected with described first reflecting surface, and described second reflecting surface is a parabola；And
One the 3rd reflecting surface, described 3rd reflecting surface is connected with described second reflecting surface, and described second reflecting surface is between described first reflecting surface and described 3rd reflecting surface, and described 3rd reflecting surface is a face of cylinder；
Described mine lamp reflector farther includes a circular outer edge, described circular outer edge by described mine lamp reflector to should the side of the 3rd reflecting surface extend outward；
The some light that described LED source sends is reflexed in receiving surface for twice by described ellipsoid and the described face of cylinder.
2. mine lamp reflector as claimed in claim 1, it is characterised in that described ellipsoid meets elliptic equation:
3. mine lamp reflector as claimed in claim 1, it is characterised in that described parabola meets parabolic equation: y2=15.2x.
4. an illuminator, including:
One LED source；And
A kind of mine lamp reflector, described mine lamp reflector has a cavity housing this LED source, described mine lamp reflector is to including first reflecting surface by cavity, one the second reflecting surface, and the 3rd reflecting surface, described first reflecting surface is an ellipsoid, described second reflecting surface is connected with described first reflecting surface, and described second reflecting surface is a parabola, described 3rd reflecting surface is connected with described second reflecting surface, and described second reflecting surface is between described first reflecting surface and described 3rd reflecting surface, described 3rd reflecting surface is a face of cylinder；
The some light that described LED source sends is reflexed in receiving surface for twice by described ellipsoid and the described face of cylinder.
5. illuminator as claimed in claim 4, it is characterised in that described ellipsoid meets elliptic equation:
6. illuminator as claimed in claim 4, it is characterised in that described parabola meets parabolic equation: y2=15.2x.
7. illuminator as claimed in claim 4, it is characterised in that described mine lamp reflector farther includes a circular outer edge, described circular outer edge by described mine lamp reflector to should the side of the 3rd reflecting surface extend outward.
8. illuminator as claimed in claim 4, it is characterised in that described LED source center is correspondingly arranged at the center of the side of described mine lamp reflector, and described side is connected with described first reflecting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109839.4A CN104075246B (en) | 2013-03-29 | 2013-03-29 | Mine lamp reflector and there is the illuminator of this mine lamp reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109839.4A CN104075246B (en) | 2013-03-29 | 2013-03-29 | Mine lamp reflector and there is the illuminator of this mine lamp reflector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104075246A CN104075246A (en) | 2014-10-01 |
| CN104075246B true CN104075246B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310109839.4A Expired - Fee Related CN104075246B (en) | 2013-03-29 | 2013-03-29 | Mine lamp reflector and there is the illuminator of this mine lamp reflector |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895365A (en) * | 2015-12-18 | 2017-06-27 | 法雷奥照明湖北技术中心有限公司 | Reflective optical system and illumination and/or signal indicating device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1321849A (en) * | 1999-08-09 | 2001-11-14 | 通用电气公司 | Point parabolic reflector lamp |
| CN201121836Y (en) * | 2007-11-23 | 2008-09-24 | 杨传银 | LED illumination reflecting device |
| CN101405539A (en) * | 2006-04-06 | 2009-04-08 | 通用电气公司 | High-intensity discharge lamp for spot lighting |
-
2013
- 2013-03-29 CN CN201310109839.4A patent/CN104075246B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1321849A (en) * | 1999-08-09 | 2001-11-14 | 通用电气公司 | Point parabolic reflector lamp |
| CN101405539A (en) * | 2006-04-06 | 2009-04-08 | 通用电气公司 | High-intensity discharge lamp for spot lighting |
| CN201121836Y (en) * | 2007-11-23 | 2008-09-24 | 杨传银 | LED illumination reflecting device |
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| Publication number | Publication date |
|---|---|
| CN104075246A (en) | 2014-10-01 |
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Granted publication date: 20160629 Termination date: 20190329 |