CN220038265U - Optical element and spike lamp - Google Patents
Optical element and spike lamp Download PDFInfo
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- CN220038265U CN220038265U CN202320622125.2U CN202320622125U CN220038265U CN 220038265 U CN220038265 U CN 220038265U CN 202320622125 U CN202320622125 U CN 202320622125U CN 220038265 U CN220038265 U CN 220038265U
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- reflecting surface
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- 230000003287 optical effect Effects 0.000 title claims abstract description 38
- 238000010276 construction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 11
- 230000004313 glare Effects 0.000 description 5
- 230000008451 emotion Effects 0.000 description 3
- 230000004438 eyesight Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000007537 lampworking Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004297 night vision Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to the field of optics, in particular to an optical element and a spike lamp, which comprises a bearing part and a light-transmitting part arranged on the bearing part, wherein the light-transmitting part is provided with a light-in surface and a light-out surface, the light-transmitting part comprises a TIR lens area, and the TIR lens area is of a non-rotationally symmetrical structure; the TIR lens area is provided with a first TIR lens part and a second TIR lens part, the first TIR lens part is provided with a first incidence surface on the incidence surface, the second TIR lens part is provided with a second incidence surface and a reflecting surface on the incidence surface, the first incidence surface and the second incidence surface are arranged in a relatively inclined mode, and the second incidence surface and the reflecting surface are arranged relatively. By adopting the utility model, the light is precisely controlled, the light-emitting angle is small, and the energy utilization rate is improved.
Description
Technical Field
The utility model relates to the field of optics, in particular to an optical element and a spike lamp.
Background
The spike lamp is arranged on the road surface, and the light emitted by the spike lamp can be seen by pedestrians, especially drivers, on the road, so that the spike lamp plays roles of prompting and indicating, and the safety of vehicle running at night is ensured. Wherein, the light of spike lamp is gone out through setting up the lens transmission on it, and current spike lamp mainly adopts two kinds of lenses: one is a 360-degree cat eye lens, the precise light control of a specific area cannot be realized, the light-emitting angle is large, and the energy utilization rate is also not ideal; the other is a plurality of rotationally symmetrical TIR lenses or convex lenses, so that the polarization effect is not ideal, and the polarized light can be received at far and near positions, so that the glare effect is easily caused, and the night vision and emotion of a driver are influenced.
Disclosure of Invention
The utility model aims to solve the technical problems of providing an optical element which has the advantages of accurate light control, small light emitting angle and improved energy utilization rate.
The utility model also aims to provide the spike lamp provided with the optical element, so that the glare effect is avoided.
In order to solve the technical problems, the utility model provides an optical element, which comprises a bearing piece and a light-transmitting piece arranged on the bearing piece, wherein the light-transmitting piece is provided with a light-in surface and a light-out surface, the light-transmitting piece comprises a TIR lens area, and the TIR lens area is of a non-rotationally symmetrical structure;
the TIR lens area is provided with a first TIR lens part and a second TIR lens part, the first TIR lens part is provided with a first incidence surface on the incidence surface, the second TIR lens part is provided with a second incidence surface and a reflecting surface on the incidence surface, the first incidence surface and the second incidence surface are arranged in a relatively inclined mode, and the second incidence surface and the reflecting surface are arranged relatively.
As an improvement of the scheme, the first incident surface and the second incident surface are both planes, and the reflecting surface is a free-form surface.
As an improvement of the above, the height of the reflecting surface is greater than the height of the second incident surface.
As an improvement of the scheme, the light-transmitting piece further comprises a light reflecting area for reflecting light, and the light reflecting area is provided with a plurality of light reflecting units which are adjacently arranged.
As an improvement of the scheme, the light reflecting unit comprises a first light reflecting surface and a second light reflecting surface which are arranged on the light incident surface, the first light reflecting surface and the second light reflecting surface are arranged in a relatively inclined mode, and the included angles of the first light reflecting surface and the second light reflecting surface are the same as those of the light emergent surface respectively.
As an improvement of the scheme, the number of the light-transmitting pieces is at least two, and the light-transmitting pieces are respectively arranged on two sides of the bearing piece.
As an improvement of the scheme, the included angle between the light-emitting surface and the horizontal plane is 0-120 degrees.
As an improvement of the scheme, the included angle between the emergent ray of the optical element and the horizontal plane is 0-60 degrees.
As an improvement of the above scheme, the optical element has an axisymmetric structure.
Correspondingly, the utility model also provides a spike lamp, and the spike lamp is provided with the optical element.
The implementation of the utility model has the following beneficial effects:
the optical element is provided with the TIR lens area with a non-rotationally symmetrical structure, and the TIR parts of different areas are optically designed. Specifically, the TIR lens zone is provided with a first TIR lens portion and a second TIR lens portion, the first TIR lens portion is provided with a first incident surface on the light incident surface, the second TIR lens portion is provided with a second incident surface and a reflecting surface on the light incident surface, the first incident surface and the second incident surface are arranged in a relatively inclined mode, and the second incident surface and the reflecting surface are arranged relatively. Therefore, the first incident surface and the second incident surface are arranged on two sides of the light source, light rays emitted by the light source respectively irradiate the first incident surface and the second incident surface, refraction and refraction reflection respectively occur, and the emergent angle of the light rays is changed. The light passing through the first TIR lens part is refracted to a preset angle in a small extent, and the light passing through the second TIR lens part is deflected to a preset angle range direction in a large extent, so that the light is emitted and concentrated in a certain angle range. Therefore, under the cooperation of the first TIR lens part and the second TIR lens part, the light of the light source is emitted at a certain angle so as to control the polarized light in a specific angle range, so that the light emitted to a high place or a far place is deflected to a preset required illumination area, the light is precisely controlled, the light emitting angle is small, and the energy utilization rate is improved.
Furthermore, the optical element can be applied to the spike lamp, compared with the traditional spike lamp, the light in an unnecessary angle is reduced, and the light is distributed to a certain deflection angle range, so that the light can only be seen by road drivers within a specified distance, the glare effect is avoided, the influence on the eyesight and emotion of the road drivers is reduced, the energy utilization efficiency of a lamp working area is improved, the energy is saved, the environment is protected, and the clear indication effect can be realized.
Drawings
FIG. 1 is a front view of an optical element of the present utility model;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 2;
fig. 4 is a schematic view of the optical principle of the light-transmitting member of the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present utility model, are used only with reference to the drawings of the present utility model, and are not meant to be limiting in any way.
Referring to fig. 1-4, the utility model discloses an optical element, which comprises a bearing member 1 and a light-transmitting member 2 arranged on the bearing member 1, wherein the light-transmitting member 2 is provided with a light incident surface 21 and a light emergent surface 22, the light-transmitting member 2 comprises a TIR lens zone, and the TIR lens zone is of a non-rotationally symmetrical structure.
The TIR lens zone is provided with a first TIR lens portion 23 and a second TIR lens portion 24, the first TIR lens portion 23 is provided with a first incident surface 231 on the light incident surface 21, the second TIR lens portion 24 is provided with a second incident surface 241 and a reflecting surface 242 on the light incident surface 21, the first incident surface 231 and the second incident surface 241 are disposed in a relatively inclined manner, and the second incident surface 241 and the reflecting surface 242 are disposed in a relatively inclined manner.
The optical element is provided with the TIR lens area with a non-rotationally symmetrical structure, and the TIR parts of different areas are optically designed. Specifically, the TIR lens zone is provided with a first TIR lens portion and a second TIR lens portion, the first TIR lens portion is provided with a first incident surface on the light incident surface, the second TIR lens portion is provided with a second incident surface and a reflecting surface on the light incident surface, the first incident surface and the second incident surface are arranged in a relatively inclined mode, and the second incident surface and the reflecting surface are arranged relatively. Therefore, the first incident surface and the second incident surface are arranged on two sides of the light source, light rays emitted by the light source respectively irradiate the first incident surface and the second incident surface, refraction and refraction reflection respectively occur, and the emergent angle of the light rays is changed. The light passing through the first TIR lens part is refracted to a preset angle in a small extent, and the light passing through the second TIR lens part is deflected to a preset angle range direction in a large extent, so that the light is emitted and concentrated in a certain angle range. Therefore, under the cooperation of the first TIR lens part and the second TIR lens part, the light of the light source is emitted at a certain angle so as to control the polarized light in a specific angle range, so that the light emitted to a high place or a far place is deflected to a preset required illumination area, the light is precisely controlled, the light emitting angle is small, and the energy utilization rate is improved.
The first incident surface 231 and the second incident surface 241 are both flat surfaces, and the reflecting surface 242 is a free-form surface. The first incident surface 231, the second incident surface 241, and the reflecting surface 242 are sequentially disposed.
Preferably, the number of the TIR lens areas is three.
Preferably, the number of the light-transmitting members 2 is at least two, and the light-transmitting members are respectively arranged at two sides of the bearing member 1, so that the light rays of the light source are respectively emitted to two sides of the optical element. More preferably, the optical element has an axisymmetric structure. I.e. the two light-transmitting members 2 are symmetrically arranged.
When the optical element can be applied to the spike lamp, the lamplight irradiates to two opposite sides of a road respectively through the two light-transmitting parts, so that drivers of vehicles passing by and coming from the spike lamp can see the lamplight. Light is emitted at a certain angle under the action of the light-transmitting piece, the light emitting angle is reduced, light of the far distance and sky is reduced, the glare effect on a driver is avoided, the view influence on the driver at night is reduced, and therefore the driver obtains safer, more comfortable and more reasonable road surface driving experience. Meanwhile, the loss of light energy is reduced, the energy utilization rate is improved, a better effect is achieved with lower energy consumption, and the energy-saving and environment-friendly effects are achieved.
Preferably, the height of the reflecting surface 242 is greater than the height of the second incident surface 241, so that the light rays emitted to the second TIR lens unit after entering the second incident surface can be substantially reflected by the reflecting surface and reflected by a large extent, so that the light rays can be emitted to a predetermined angle range.
Further, the light-transmitting member 2 further includes a light-reflecting region for reflecting light, and the light-reflecting region is provided with a plurality of light-reflecting units 25 disposed adjacently. The reflecting unit plays a role of a reflector, and when the lamp light of a vehicle on the road surface is emitted to the reflecting unit, most of the light is totally reflected back to eyes of a driver to play a role of indication. Specifically, the light reflecting units are distributed and arranged along the periphery of the light transmitting piece.
Preferably, the light reflecting unit 25 includes a first light reflecting surface 251 and a second light reflecting surface 252 disposed on the light incident surface 21, the first light reflecting surface 251 and the second light reflecting surface 252 are disposed in a relatively inclined manner, and the first light reflecting surface 251 and the second light reflecting surface 252 have the same included angle with the light emergent surface 22. The light rays enter the light reflecting unit from the light emitting surface, are reflected by the first light reflecting surface and are emitted to the second light reflecting surface, and are reflected by the second light reflecting surface and are emitted from the light emitting surface; or the light is reflected by the second reflecting surface to the first reflecting surface and then reflected by the first reflecting surface to be emitted from the light emitting surface, so that the light is totally reflected back to eyes of a driver.
The optical element can be arranged according to different road conditions, and when the installation angles are different, the same effect can be achieved by changing the included angle between the light emitting surface and the horizontal plane. The level is generally referred to as a road surface. Preferably, the included angle between the light-emitting surface 22 and the horizontal plane is 0 ° -120 °. More preferably, the included angle between the light-emitting surface 22 and the horizontal plane is 30 ° -100 °. More preferably, the included angle between the light-emitting surface 22 and the horizontal plane is 60 ° -90 °.
In order to make the light visible only to road drivers within a prescribed distance, the angle between the outgoing light of the optical element and the horizontal plane is preferably 0 ° -60 °. More preferably, the angle between the outgoing light of the optical element and the horizontal plane is 20 ° -50 °. More preferably, the angle between the outgoing light of the optical element and the horizontal plane is 30 ° -40 °.
Correspondingly, the utility model also discloses a spike lamp, and the spike lamp is provided with the optical element. The specific structure of the optical element is as described above, and will not be described herein.
The optical element can be applied to the spike lamp, compared with the traditional spike lamp, the light in an unnecessary angle is reduced, and the light is distributed to a certain deflection angle range, so that the light can only be seen by road drivers in a specified distance, the glare effect is avoided, the influence on the eyesight and emotion of the road drivers is reduced, the energy utilization efficiency of a lamp working area is improved, the energy is saved, the environment is protected, and a clear indication effect can be achieved.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the utility model, such changes and modifications are also intended to be within the scope of the utility model.
Claims (10)
1. The optical element is characterized by comprising a bearing piece and a light-transmitting piece arranged on the bearing piece, wherein the light-transmitting piece is provided with a light-entering surface and a light-exiting surface, the light-transmitting piece comprises a TIR lens area, and the TIR lens area is of a non-rotationally symmetrical structure;
the TIR lens area is provided with a first TIR lens part and a second TIR lens part, the first TIR lens part is provided with a first incidence surface on the incidence surface, the second TIR lens part is provided with a second incidence surface and a reflecting surface on the incidence surface, the first incidence surface and the second incidence surface are arranged in a relatively inclined mode, and the second incidence surface and the reflecting surface are arranged relatively.
2. The optical element of claim 1, wherein the first and second entrance surfaces are planar and the reflective surface is a free-form surface.
3. The optical element of claim 1, wherein the height of the reflective surface is greater than the height of the second entrance surface.
4. The optical element of claim 1, wherein the light transmissive element further comprises a light reflective region for reflecting light, the light reflective region being provided with a plurality of adjacently disposed light reflective units.
5. The optical element of claim 4, wherein the light reflecting unit comprises a first light reflecting surface and a second light reflecting surface which are arranged on the light incident surface, the first light reflecting surface and the second light reflecting surface are arranged in a relatively inclined manner, and the included angles of the first light reflecting surface and the second light reflecting surface are respectively the same as those of the light emergent surface.
6. The optical element of claim 1, wherein the number of the light-transmitting members is at least two, and the light-transmitting members are respectively disposed on two sides of the carrier.
7. The optical element of any one of claims 1-6, wherein the angle between the light exit surface and the horizontal is 0 ° -120 °.
8. The optical element of any one of claims 1-6, wherein the angle between the outgoing light rays of the optical element and the horizontal plane is 0 ° -60 °.
9. The optical element of any one of claims 1-6, wherein the optical element is of axisymmetric construction.
10. Spike lamp, characterized in that it is provided with an optical element according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320622125.2U CN220038265U (en) | 2023-03-24 | 2023-03-24 | Optical element and spike lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320622125.2U CN220038265U (en) | 2023-03-24 | 2023-03-24 | Optical element and spike lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220038265U true CN220038265U (en) | 2023-11-17 |
Family
ID=88735594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320622125.2U Active CN220038265U (en) | 2023-03-24 | 2023-03-24 | Optical element and spike lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220038265U (en) |
-
2023
- 2023-03-24 CN CN202320622125.2U patent/CN220038265U/en active Active
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| GR01 | Patent grant |