CN203240499U - Wide-angle light guiding pillar capable of giving out light from planes - Google Patents
Wide-angle light guiding pillar capable of giving out light from planes Download PDFInfo
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- CN203240499U CN203240499U CN 201320230812 CN201320230812U CN203240499U CN 203240499 U CN203240499 U CN 203240499U CN 201320230812 CN201320230812 CN 201320230812 CN 201320230812 U CN201320230812 U CN 201320230812U CN 203240499 U CN203240499 U CN 203240499U
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Abstract
The utility model discloses a wide-angle light guiding pillar capable of giving out light from a plurality of planes. The wide-angle light guiding pillar comprises a body which is a hollow pillar body. A first end of the body is provided with an incident plane, and the end face of a second end of the body is provided with a light distribution board with one plane being a mirror plane. The light distribution board is of a reverse cone structure gradually shrinking towards the direction of the first end of the body, the mirror plane of the light distribution board faces the first end of the body, and the incidence angle that the reflected light of the mirror plane of the light distributing board incidents to the inner side face of the body is smaller than the critical angle of the inner side face of the body. Compared with the prior art, the wide-angle light guiding pillar has the advantages that when the wide-angle light guiding pillar is used on an LED ground lamp, the light ray emitted by the LED ground lamp can be emitted from the side faces of the light guiding pillar in a dispersion mode, the light ray on floors in the circumferential direction of the LED ground lamp is obviously improved, the radiation effect of the LED ground lamp is greatly improved, and the problem that the radiation effect of the LED ground lamp is worse than that of a traditional incandescent light bulb due to the fact that when a traditional light guiding pillar is used on the LED ground lamp, the light on ceilings is too bright and the light on the floors is too dim is avoided.
Description
Technical field
The utility model relates to a kind of device of LED light fixture, particularly a kind of light-guiding pillar.
Background technology
Light-guiding pillar is the device for conduction LED light, its structure comprises a cylinder, this cylinder is hollow cylinder, this cylindrical first end has the plane of incidence, this cylindrical second end has exiting surface, this cylindrical side is the light reflection face, be provided with to the protuberance of cylinder the second extreme direction projection in this cylindrical first end end face, the surfaces externally and internally of this protuberance is arc surface, the outer surface of this protuberance is the described plane of incidence, this cylindrical second end end face is provided with the projection that is in the cylinder, this projection is to the conical structure of cylinder first end direction convergent, this projection and this cylinder are one-body molded, and this bumping surface is described exiting surface to the outer surface of cylinder first end direction.Before the use, the LED lamp is positioned over cylindrical first end below, and the light-emitting area that makes the LED lamp is towards this plane of incidence; During use, the luminous light of LED lamp is incident on the cylinder reflecting surface through the plane of incidence of protuberance, and the light reflection that cylindrical reflecting surface is injected the plane of incidence is penetrated by exiting surface to exiting surface at last.
The light-guiding pillar of this kind structure, because the projection of cylinder the second end end face is lens, and projection is the inverted cone structure, then the cylinder reflecting surface is to projection, projection utilizes the inverted cone structure of self, the convergence of rays collection that reflexes to projection is penetrated, thereby cause the light at place, light-guiding pillar centre comparatively bright; Like this, the light-guiding pillar of this kind structure is used in the LED ground light when using, and the LED ground light can cause ceiling too bright, the light at place, floor very little, thereby make the radiation response of LED ground light poor than the radiation response of conventional incandescent.
In view of this, the inventor result of above-mentioned light-guiding pillar is conducted in-depth research, this case produces thus.
The utility model content
The purpose of this utility model provides a kind of wide-angle light-guiding pillar of multiaspect bright dipping, is used in the light-guiding pillar that solves prior art and can causes ceiling too bright when the LED ground light is used, the darker problem of light at place, floor.
The technical solution of the utility model is such: a kind of wide-angle light-guiding pillar of multiaspect bright dipping, comprise body, this body is hollow cylinder, the first end of this body has the plane of incidence, the first end end face of this body is provided with to the protuberance of this body the second extreme direction projection, the surfaces externally and internally of this protuberance is cambered surface, the fully reflecting surface of the medial surface of this body for carrying out to the light of the plane of incidence incident total reflection; The second end end face of above-mentioned body is provided with it and simultaneously is the light distribution panel of minute surface, above-mentioned light distribution panel is to the inverted pyramidal structures of the first end direction convergent of body, the minute surface of above-mentioned light distribution panel is towards the first end of above-mentioned body, and the reverberation of above-mentioned light distribution panel minute surface is incident to the incidence angle of above-mentioned body medial surface less than the critical angle of above-mentioned body medial surface.
Above-mentioned light distribution panel for by some petal-shaped strip pieces around the reverse taper that surrounds, and be arc transition between the two above-mentioned strip pieces.
The medial surface of each above-mentioned strip piece is outwards recessed cancave cambered surface, and the lateral surface of each above-mentioned strip piece is cambered outwards convex globoidal.
Above-mentioned body for by some bar blocks around the hollow cylinder that surrounds, the medial surface of each above-mentioned bar blocks is outwards recessed cancave cambered surface, the lateral surface of each above-mentioned bar blocks is cambered outwards convex globoidal, and is arc transition between the two above-mentioned bar blocks.
Above-mentioned bar blocks is provided with four, above-mentioned strip piece and the corresponding setting of above-mentioned bar blocks.
After adopting technique scheme, the wide-angle light-guiding pillar of a kind of multiaspect bright dipping of the present utility model, because the second end end face of body is provided with light distribution panel, the minute surface of light distribution panel is towards the first end of body, and the minute surface of light distribution panel is cone structure, like this, the light that the medial surface of body is injected the plane of incidence is understood total reflection to the circumferential direction of light distribution panel minute surface, utilize the diffuse reflection principle, reflex to the medial surface that reverberation on the light distribution panel minute surface peripheral direction can be reflected back body, at this moment, reverberation by the light distribution panel minute surface is incident to the incidence angle of body medial surface less than the critical angle of body medial surface, it is the exiting surface that the body medial surface is equivalent to the light distribution panel specular light, then the reverberation of light distribution panel minute surface can directly penetrate from the medial surface of body after being reflected back the body medial surface, make the circumferential direction place of body side all have the light ejaculation, be the multiaspect light-emitting phenomenon, enlarged irradiating angle.Compared with prior art, light-guiding pillar of the present utility model, when it is used in the use of LED ground light, the light that the LED ground light is sent can divide from the side of light-guiding pillar and scatters, the light at place, LED ground light circumferencial direction floor is significantly improved, has greatly improved the radiation response of LED ground light, avoided traditional light-guiding pillar to be used in when the LED ground light is used and made ceiling too bright, the light at floor place very little, thereby cause the radiation response problem poor than the radiation response of conventional incandescent of LED ground light.
Description of drawings
Fig. 1 is stereogram of the present utility model;
Fig. 2 is the stereogram of another angle of the utility model;
Fig. 3 is cut-away view of the present utility model.
Among the figure:
The specific embodiment
The wide-angle light-guiding pillar of a kind of multiaspect bright dipping of the present utility model, as Figure 1-3, comprise body 1, this body 1 is hollow cylinder, the first end of this body 1 has the plane of incidence, the first end end face of this body 1 is provided with to the protuberance 11 of this body 1 second extreme direction projection, the inner surface of this protuberance 11 is convex globoidal, outer surface is recessed cancave cambered surface to body 2 second extreme directions, this cancave cambered surface is the described plane of incidence, the fully reflecting surface of the medial surface of this body 1 for carrying out to the light of the plane of incidence incident total reflection, the second end end face of this body 1 is provided with it and simultaneously is the light distribution panel 2 of minute surface 21, light distribution panel 2 is to the inverted pyramidal structures of the first end direction convergent of body 1, the minute surface 21 of this light distribution panel 2 is towards the first end of body 1, and the reverberation of light distribution panel 2 minute surfaces 21 is incident to the incidence angle of body 1 medial surface less than the critical angle of body 1 medial surface.
The wide-angle light-guiding pillar of a kind of multiaspect bright dipping of the present utility model, because the minute surface 21 of light distribution panel 2 is towards the first end of body 1, and the minute surface 21 of light distribution panel 2 is cone structure, like this, the light that the medial surface of body 1 is injected the plane of incidence is understood total reflection to the circumferential direction of light distribution panel 2 minute surfaces 21, utilize the mirror-reflection principle, reflex to the medial surface that reverberation on light distribution panel 2 minute surfaces 21 circumferential direction can be reflected back body 1, at this moment, reverberation by light distribution panel 2 minute surfaces 21 is incident to the incidence angle of body 1 medial surface less than the critical angle of body 1 medial surface, be that body 1 medial surface is equivalent to light distribution panel 2 minute surfaces 21 catoptrical exiting surfaces, then the reverberation of minute surface 21 can directly penetrate from the medial surface of body 1 after being reflected back body 1 medial surface, make the circumferential direction place of body 1 side all have the light ejaculation, be the multiaspect light-emitting phenomenon, enlarged irradiating angle.Compared with prior art, light-guiding pillar of the present utility model, when it is used in the use of LED ground light, the light that the LED ground light is sent can divide from the side of light-guiding pillar and scatters, the light at place, LED ground light circumferencial direction floor is significantly improved, has greatly improved the radiation response of LED ground light, avoided traditional light-guiding pillar to be used in when the LED ground light is used and made ceiling too bright, the light at floor place very little, thereby cause the radiation response problem poor than the radiation response of conventional incandescent of LED ground light.
In the utility model, light distribution panel 2 can for by some petal-shaped strip pieces around the reverse taper that surrounds, present embodiment is take four as example, be arc transition between two strip pieces, the medial surface of each strip piece is outwards recessed cancave cambered surface, the lateral surface of each strip piece is cambered outwards convex globoidal, and the concave-convex cambered surfaces setting by interior lateral surface makes strip piece be the petal-shaped structure; Simultaneously, body 1 also can for by some bar blocks around the hollow cylinder that surrounds, the quantity of this bar blocks and the corresponding setting of the quantity of strip piece, the medial surface of each bar blocks also is outwards recessed cancave cambered surface, the lateral surface of each bar blocks also is cambered outwards convex globoidal, the corresponding arc transition that is between two bar blocks; Like this, flower structure by body 1 and light distribution panel 2, make the medial surface of body 1 and the minute surface 21 of light distribution panel 2 can be the multiaspect reflection, improved the reflecting effect of body 1 and light distribution panel 2, make the reflection ray of the reverberation of body 1 medial surface and minute surface 21 comparatively even, thereby improved the luminous flux of light fixture.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (5)
1. the wide-angle light-guiding pillar of a multiaspect bright dipping, comprise body, this body is hollow cylinder, the first end of this body has the plane of incidence, the first end end face of this body is provided with to the protuberance of this body the second extreme direction projection, the surfaces externally and internally of this protuberance is cambered surface, the fully reflecting surface of the medial surface of this body for carrying out to the light of the plane of incidence incident total reflection; It is characterized in that: the second end end face of above-mentioned body is provided with it and simultaneously is the light distribution panel of minute surface, above-mentioned light distribution panel is to the inverted pyramidal structures of the first end direction convergent of body, the minute surface of above-mentioned light distribution panel is towards the first end of above-mentioned body, and the reverberation of above-mentioned light distribution panel minute surface is incident to the incidence angle of above-mentioned body medial surface less than the critical angle of above-mentioned body medial surface.
2. the wide-angle light-guiding pillar of a kind of multiaspect bright dipping according to claim 1 is characterized in that: above-mentioned light distribution panel for by some petal-shaped strip pieces around the reverse taper that surrounds, and be arc transition between the two above-mentioned strip pieces.
3. the wide-angle light-guiding pillar of a kind of multiaspect bright dipping according to claim 2 is characterized in that: the medial surface of each above-mentioned strip piece is outwards recessed cancave cambered surface, and the lateral surface of each above-mentioned strip piece is cambered outwards convex globoidal.
4. the wide-angle light-guiding pillar of a kind of multiaspect bright dipping according to claim 3, it is characterized in that: above-mentioned body is around the hollow cylinder that surrounds by some bar blocks, the medial surface of each above-mentioned bar blocks is outwards recessed cancave cambered surface, the lateral surface of each above-mentioned bar blocks is cambered outwards convex globoidal, and is arc transition between the two above-mentioned bar blocks.
5. the wide-angle light-guiding pillar of a kind of multiaspect bright dipping according to claim 4, it is characterized in that: above-mentioned bar blocks is provided with four, above-mentioned strip piece and the corresponding setting of above-mentioned bar blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320230812 CN203240499U (en) | 2013-04-28 | 2013-04-28 | Wide-angle light guiding pillar capable of giving out light from planes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320230812 CN203240499U (en) | 2013-04-28 | 2013-04-28 | Wide-angle light guiding pillar capable of giving out light from planes |
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| Publication Number | Publication Date |
|---|---|
| CN203240499U true CN203240499U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320230812 Expired - Fee Related CN203240499U (en) | 2013-04-28 | 2013-04-28 | Wide-angle light guiding pillar capable of giving out light from planes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109788096A (en) * | 2019-03-01 | 2019-05-21 | 维沃移动通信有限公司 | Terminal device |
-
2013
- 2013-04-28 CN CN 201320230812 patent/CN203240499U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109788096A (en) * | 2019-03-01 | 2019-05-21 | 维沃移动通信有限公司 | Terminal device |
| CN109788096B (en) * | 2019-03-01 | 2021-02-19 | 维沃移动通信有限公司 | Terminal 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: 20131016 Termination date: 20150428 |
|
| EXPY | Termination of patent right or utility model |