CN102384430B - Guardrail lamp and guardrail lamp lens - Google Patents
Guardrail lamp and guardrail lamp lens Download PDFInfo
- Publication number
- CN102384430B CN102384430B CN2011103494175A CN201110349417A CN102384430B CN 102384430 B CN102384430 B CN 102384430B CN 2011103494175 A CN2011103494175 A CN 2011103494175A CN 201110349417 A CN201110349417 A CN 201110349417A CN 102384430 B CN102384430 B CN 102384430B
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- China
- Prior art keywords
- guard rail
- rail lamp
- lamp lens
- face
- rear end
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
The invention relates to a guardrail lamp lens, which comprises a rear end surface, a front end surface opposite to the rear end surface and a lateral surface positioned between the front end surface and the rear end surface, wherein an accommodating groove is formed on the rear end surface; the inner wall of the accommodating groove is a light incident surface of the guardrail lamp lens; a first light-emitting surface of the guardrail lamp lens is formed on the front end surface; the distance from the first light-emitting surface to the rear end surface is gradually increased from the top side to the bottom side of the guardrail lamp lens; and light rays emitted by the first light-emitting surface can be deviated to the ground further by the first light-emitting surface, and more light rays can be used for illuminating roads to prevent a large number of light rays emitted by a light source of a guardrail lamp from being emitted to the air and the like, so the light rays emitted by the light source of the guardrail lamp can be utilized effectively. The invention also relates to the guardrail lamp with the guardrail lamp lens.
Description
Technical field
The present invention relates to a kind of light fixture, relate in particular to a kind of guard rail lamp and guard rail lamp lens.
Background technology
Guard rail lamp is a kind of lamps applied to roads that is installed on the road guard, effect such as can play that the illumination of beautifying city, road and bridge, safety are dredged, its usually with fluorescent tube or light emitting diode as light source, be carrier with continuous guardrail, form the guard rail lamp band of linearity or approximately linear.
Existing guard rail lamp generally forms by light sources such as fluorescent tube or light emitting diode are set in plastic pipe, the light that light source in this kind guard rail lamp sends can directly penetrate by plastic pipe, the rising angle of guard rail lamp does not have control substantially, cause a large amount of directions such as light directive sky, the light that makes light source send can not access effective utilization, causes the waste of the energy.
Summary of the invention
In view of this, be necessary to provide a kind of guard rail lamp and guard rail lamp lens, with solve that light source sends in the existing guard rail lamp light is not utilized effectively technical problem.
The present invention is achieved in that
A kind of guard rail lamp lens, it comprises a rear end face, front end face relative with described rear end face and the side between described front end face and rear end face.Have an accepting groove on the described rear end face, the inwall of this accepting groove is the incidence surface of described guard rail lamp lens.Be formed with first exiting surface of described guard rail lamp lens on the described front end face.The top side of described first exiting surface to the distance of rear end face from the guard rail lamp lens increases gradually to the bottom side.
Further, described side comprises second side near first side of guard rail lamp lens top side and close guard rail lamp lens bottom side, described first side is first reflective surface of guard rail lamp lens, and described second side comprises one near second exiting surface of rear end face and second reflective surface between described second exiting surface and front end face.
Further, when described guard rail lamp lens were installed on the guardrail of roadside, described guard rail lamp lens bottom side was a guard rail lamp lens face side earthward, and described front end face is provided with towards the road-center direction.
Preferably, described first exiting surface is a plane.
Preferably, described incidence surface is a curved surface.Perhaps, described incidence surface comprises first incidence surface that is positioned at its central authorities and around second incidence surface of described first incidence surface, described first incidence surface and second incidence surface are oppositely arranged with described front end face and side respectively.
Preferably, described first incidence surface is a convex surface.
Preferably, described first side and second side being projected as semicircular ring or fanning ring on described rear end face.
Preferably, described second exiting surface directly links to each other with described rear end face.
Preferably, be projected as circular arc, semicircular ring or the fan of described second exiting surface on rear end face encircles.
Preferably, described guard rail lamp lens are formed in one.
And, a kind of guard rail lamp, it comprises described guard rail lamp lens and a light source, described light source is arranged in the accepting groove of described guard rail lamp lens.
The top side of first exiting surface of described guard rail lamp lens to the distance of rear end face from the guard rail lamp lens increases gradually to the bottom side, described first exiting surface can further be partial to the ground direction with its emergent ray, thereby can make more rays be used to illuminate the road surface, a large amount of directions such as light directive sky of avoiding the light source of guard rail lamp to send, thereby the light that can effectively utilize the light source of guard rail lamp to send.
Description of drawings
Below in conjunction with accompanying drawing embodiments of the invention are described, wherein:
Fig. 1 is the schematic perspective view of a kind of guard rail lamp lens of providing of the embodiment of the invention;
Fig. 2 is the schematic perspective view that the guard rail lamp lens other direction among Fig. 1 is observed;
Fig. 3 is that guard rail lamp lens among Fig. 1 are along the cutaway view of III-III direction; And
Fig. 4 is the cutaway view with guard rail lamp of the described guard rail lamp lens of Fig. 3.
The specific embodiment
Below based on accompanying drawing specific embodiments of the invention are further elaborated.Should be appreciated that specific embodiment described herein as just embodiment, and be not intended to limit the scope of the invention.
See also Fig. 1-Fig. 4, a kind of guard rail lamp 100 that the embodiment of the invention provides comprises light source 10 and guard rail lamp lens 20.Described light source 10 can be light emitting diode, discharge lamp, fluorescent lamp or Halogen lamp LED etc.Preferably, described light source 10 is a light emitting diode.
Described guard rail lamp lens 20 comprise front end face 22 and the side 23 between described front end face 22 and rear end face 21 that a rear end face 21, and described rear end face 21 are relative.
Have an accepting groove 211 on the described rear end face 21, this accepting groove 211 is used to accommodate described light source 10.The inwall of described accepting groove 211 is the incidence surface 212 of described guard rail lamp lens 20.Described incidence surface 212 can be formed for a curved surface or by a plurality of curved surfaces, also or by a plurality of planes forms.In the present embodiment, described incidence surface 212 comprises first incidence surface 2121 that is positioned at its central authorities and around second incidence surface 2122 of described first incidence surface 2121.Described first incidence surface 2121 and second incidence surface 2122 are oppositely arranged with described front end face 22 and side 23 respectively.Described first incidence surface 2121 and second incidence surface 2122 all can be plane or curved surface, perhaps are made up of a plurality of curved surfaces or plane.For avoiding too dispersing through the light of first incidence surface 2121, preferably, described first incidence surface 2121 is a convex surface.
Be formed with first exiting surface 221 of described guard rail lamp lens 20 on the described front end face 22.When described guard rail lamp 100 was installed on the guardrail of roadside, described front end face 22 was provided with towards the road-center direction, and described rear end face 21 deviates from the setting of road-center direction.Described first exiting surface 221 can be curved surface or plane.In the present embodiment, described first exiting surface 221 is a plane.The top side of described first exiting surface 221 to the distance of rear end face 21 from guard rail lamp lens 20 increases gradually to the bottom side.The top side of described guard rail lamp lens 20 is meant when guard rail lamp 100 is installed on the guardrail of roadside, guard rail lamp lens 20 are away from a side on ground, the bottom side of described guard rail lamp lens 20 is meant that when guard rail lamp 100 was installed on the guardrail of roadside, guard rail lamp lens 20 were towards a side on ground.By the top side of described first exiting surface 221 to the distance of rear end face 21 from guard rail lamp lens 20 increased gradually to the bottom side, described first exiting surface 221 can further be partial to the ground direction with its emergent ray, is used to illuminate the road surface with more effective.In addition, described first exiting surface 221 can prevent to produce dazzle by its emergent ray further is partial to the ground direction, and driver's safety traffic is exerted an influence.
Described side 23 comprises second side 232 near first side 231 of guard rail lamp lens 20 top sides and close guard rail lamp lens 20 bottom sides.In the present embodiment, the projection on described rear end face 21 of described first side 231 and second side 232 is a semicircular ring.Be appreciated that the projection on described rear end face 21 of described first side 231 and second side 232 also can be the fan ring.Described first side 231 is first reflective surface of guard rail lamp lens 20, is used for the light that light source 10 shines on it is reflexed to first exiting surface 221.Described second side 232 comprises second exiting surface 2321 and second reflective surface 2322 between described second exiting surface 2321 and front end face 22 near rear end face 21.In the present embodiment, described second exiting surface 2321 directly links to each other with described rear end face 21.Light source 10 can be used for illuminating guardrail by the light of described second exiting surface 2321 outgoing, thereby the beautifying city, the safety that realize guard rail lamp 100 such as dredge at effect.Preferably, be projected as circular arc, semicircular ring or the fan of described second exiting surface 2321 on rear end face 21 encircles, so, the light of described second exiting surface 2321 outgoing not only can illuminate the guardrail under it, can also illuminate the guardrail of guardrail both sides under it, that is, each guard rail lamp 100 can illuminate a section guard of longer distance, thereby can further reduce the quantity of the guard rail lamp 100 that is provided with on the guardrail, save the energy and installation cost etc.Described second reflective surface 2322 is used for the light that light source 10 shines on it is reflexed to first exiting surface 221.The albedo of described first reflective surface and second reflective surface 2322 can be by coating reflecting material realization thereon, or utilize total reflection principle to realize, even light source 10 incides the incidence angle of light of first reflective surface and second reflective surface 2322 all greater than the cirtical angle of total reflection of guard rail lamp lens 20 materials.
In the present embodiment,, also be formed with a bulge loop 24 on the side 23 of described guard rail lamp lens 20 for installing and fixing of convenient described guard rail lamp lens 20.
In the present embodiment, described guard rail lamp lens 20 are formed in one, and are appreciated that in other embodiments, and described guard rail lamp lens 20 also can be combined by modes such as splicing by a plurality of lens.
First exiting surface 221 of described guard rail lamp lens 20 and second exiting surface 2321 can be respectively towards the guardrail setting of road-center direction and guard rail lamp 100 belows, its light that the light source 10 of guard rail lamp 100 can be sent basically all is used for shining road surface and guardrail, avoid directions such as a large amount of light directive roadside thick grass that the light source 10 of guard rail lamp 100 sends or sky, thus the light that can effectively utilize the light source 10 of guard rail lamp 100 to send.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. guard rail lamp lens, it comprises a rear end face, front end face relative and the side between described front end face and rear end face with described rear end face, has an accepting groove on the described rear end face, the inwall of this accepting groove is the incidence surface of described guard rail lamp lens, be formed with first exiting surface of described guard rail lamp lens on the described front end face, the top side of described first exiting surface to the distance of rear end face from the guard rail lamp lens increases gradually to the bottom side, described side comprises second side near first side of guard rail lamp lens top side and close guard rail lamp lens bottom side, described first side is first reflective surface of guard rail lamp lens, and described second side comprises one near second exiting surface of rear end face and second reflective surface between described second exiting surface and front end face.
2. guard rail lamp lens as claimed in claim 1 is characterized in that, when described guard rail lamp lens were installed on the guardrail of roadside, described guard rail lamp lens bottom side was a guard rail lamp lens face side earthward, and described front end face is provided with towards the road-center direction.
3. guard rail lamp lens as claimed in claim 1 is characterized in that, described first exiting surface is a plane.
4. guard rail lamp lens as claimed in claim 1, it is characterized in that, described incidence surface comprises first incidence surface that is positioned at its central authorities and around second incidence surface of described first incidence surface, described first incidence surface and second incidence surface are oppositely arranged with described front end face and side respectively.
5. guard rail lamp lens as claimed in claim 4 is characterized in that, described first incidence surface is a convex surface.
6. guard rail lamp lens as claimed in claim 1 is characterized in that, described first side and second side fan that is projected as on described rear end face encircles.
7. guard rail lamp lens as claimed in claim 1 is characterized in that, described guard rail lamp lens are formed in one.
8. guard rail lamp, it comprises a light source and one as each described guard rail lamp lens of claim 1-7, described light source is arranged in the accepting groove of described guard rail lamp lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103494175A CN102384430B (en) | 2011-11-08 | 2011-11-08 | Guardrail lamp and guardrail lamp lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103494175A CN102384430B (en) | 2011-11-08 | 2011-11-08 | Guardrail lamp and guardrail lamp lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102384430A CN102384430A (en) | 2012-03-21 |
| CN102384430B true CN102384430B (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103494175A Active CN102384430B (en) | 2011-11-08 | 2011-11-08 | Guardrail lamp and guardrail lamp lens |
Country Status (1)
| Country | Link |
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| CN (1) | CN102384430B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374486A (en) * | 2011-11-08 | 2012-03-14 | 杭州照相机械研究所 | Hurdle lamp and hurdle lamp lens |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8465180B2 (en) * | 2008-05-20 | 2013-06-18 | Koninklijke Philips N.V. | Optical element for asymmetric light distribution |
| CN101943369B (en) * | 2009-07-06 | 2012-03-28 | 富士迈半导体精密工业（上海）有限公司 | Lens |
| CN101963321B (en) * | 2009-07-23 | 2012-06-27 | 富士迈半导体精密工业（上海）有限公司 | Road illuminating device |
| CN101900292B (en) * | 2010-07-30 | 2013-07-03 | 海洋王照明科技股份有限公司 | Condenser lens and lamp using same |
-
2011
- 2011-11-08 CN CN2011103494175A patent/CN102384430B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374486A (en) * | 2011-11-08 | 2012-03-14 | 杭州照相机械研究所 | Hurdle lamp and hurdle lamp lens |
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| Publication number | Publication date |
|---|---|
| CN102384430A (en) | 2012-03-21 |
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Address after: 310012 Hangzhou photo Machinery Research Institute Co., Ltd., Hangzhou Xihu District Xixi Road, Hangzhou City, Zhejiang Patentee after: Hangzhou photographic Machinery Research Institute Co., Ltd. Address before: No. 560 Xixi Road, Hangzhou, Zhejiang Patentee before: Hangzhou Photographic Machinery Research Institute |