CN220205506U - Optical element and fish gathering lamp - Google Patents
Optical element and fish gathering lamp Download PDFInfo
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- CN220205506U CN220205506U CN202320851458.2U CN202320851458U CN220205506U CN 220205506 U CN220205506 U CN 220205506U CN 202320851458 U CN202320851458 U CN 202320851458U CN 220205506 U CN220205506 U CN 220205506U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 32
- 241000251468 Actinopterygii Species 0.000 title claims abstract description 13
- 230000007704 transition Effects 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 14
- 230000000694 effects Effects 0.000 description 14
- 238000005286 illumination Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 230000004438 eyesight Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
Abstract
The utility model discloses an optical element, which comprises a light source part, and a first light-expanding lens and a polarized lens which are covered on the light source part, wherein the first light-expanding lens is arranged along the longitudinal direction, the polarized lens is arranged along the transverse direction, and the first light-expanding lens is positioned between the polarized lenses; the first light-expanding lens is provided with a first light-entering surface, a first convex surface and a second convex surface, wherein the first convex surface is positioned at the projection center of the light-entering end and the projection center of the second convex surface is positioned at the two sides of the light source center of the light source piece symmetrically; the polarized lens is provided with a second light incident surface and a third convex surface, and the projection center of the third convex surface at the light incident end is positioned at one side of the light source center of the light source piece. On the other hand, the utility model also provides a fish gathering lamp which comprises the optical element. The utility model has the advantages of controlling light distribution and improving energy utilization rate.
Description
Technical Field
The utility model relates to the technical field of fish gathering lamps, in particular to an optical element and a fish gathering lamp.
Background
When fishing in the evening, fishing vessels often use fishing lamps as fishing aids to attract fish in deep sea areas into shallow sea areas by using the illumination of the fishing lamps. Wherein, in order to improve the irradiation range of fish gathering lamp, the light source spare of fish gathering lamp is last to be covered with optical lens often.
Furthermore, two lens structures are mainly available in the market at present, one lens structure is a lens structure without stripes and bulges, and the lens cannot refract light, so that the light emergent angle of a fish gathering lamp adopting the lens is difficult to meet the requirement, and the effect is not ideal;
the other is a lens structure with uniform symmetrical stripes and bulges, and the fish gathering lamp adopting the lens has large light-emitting angle, but only one part of light rays can strike the sea surface, and the other part of light rays can project outside the sea surface, so that the light rays cannot be uniformly distributed on the sea surface, the actual irradiation effect is poor, and the glare of the fish gathering lamp emitting light everywhere is dazzled, and the eyesight of operators is influenced.
Therefore, providing an optical element, which enables light to be distributed at sea level and under the hull, is a technical problem that needs to be solved at present.
Disclosure of Invention
The technical problem to be solved by the embodiment of the utility model is to provide an optical element and a fish gathering lamp, which can control light distribution and improve energy utilization rate.
In order to solve the technical problems, an embodiment of the present utility model provides an optical element, which includes a light source, and a first light-spreading lens and a polarized lens covered on the light source, wherein the first light-spreading lens is arranged along a longitudinal direction, the polarized lens is arranged along a transverse direction, and the first light-spreading lens is located between the polarized lenses;
the first light-expanding lens is provided with a first light-entering surface close to the light source piece, and a first convex surface and a second convex surface far away from the light source piece, the projection center of the first light-entering surface at the light-entering end coincides with the light source center of the light source piece, and the projection center of the first convex surface at the light-entering end and the projection center of the second convex surface at the light-entering end are symmetrically positioned at two sides of the light source center of the light source piece, so that the light source piece is refracted by the first convex surface and the second convex surface to emit light;
the polarized lens is provided with a second light incident surface close to the light source piece and a third convex surface far away from the light source piece, the projection center of the second light incident surface at the light incident end coincides with the light source center of the light source piece, and the projection center of the third convex surface at the light incident end is positioned at one side of the light source center of the light source piece so that the light source piece can reflect light from the third convex surface.
Preferably, the first convex surface and the second convex surface are connected through a light transmission surface, the projection center of the light transmission surface at the light inlet end coincides with the light source center of the light source piece, the arc length of the outline of the light transmission surface is smaller than the arc length of the outline of the first convex surface and the arc length of the outline of the second convex surface, and the curvature radius of the light transmission surface is smaller than the curvature radius of the first convex surface and the curvature radius of the second convex surface.
Preferably, the arc length of the first convex surface contour line is consistent with the arc length radian of the second convex surface contour line, and the curvature radius of the first convex surface is consistent with the curvature radius of the second convex surface.
Preferably, the polarized lens is further provided with a transition surface far away from the light source part, the transition surface is adjacent to the third convex surface, the arc length of the contour line of the transition surface is smaller than that of the contour line of the third convex surface, and the curvature radius of the transition surface is smaller than that of the third convex surface.
Preferably, the first incident light is arranged facing the concave part in the first light expansion lens, and the second incident light is arranged facing the convex part in the polarizing lens.
Preferably, the optical element further includes a substrate, the light source member, the first light-expanding lens and the polarized lens, and the first light incident surface and the second light incident surface are both directed towards the substrate.
Preferably, the first light-expanding lens is provided with a first mounting part along the circumferential direction thereof, the first light-expanding lens is connected to the substrate through the first mounting part, the polarizing lens is provided with a second mounting part along the circumferential direction thereof, and the polarizing lens is connected to the substrate through the second mounting part.
Preferably, the polarized lenses are arranged at intervals along the longitudinal direction, and the first light-expanding lenses are arranged at intervals along the transverse direction.
Preferably, the optical element further includes a second light-expanding lens, the second light-expanding lens is disposed along a longitudinal direction, and the polarizing lens and the first light-expanding lens are both located between the second light-expanding lenses.
In another aspect, the utility model provides a fishing lamp comprising the optical element described above.
The embodiment of the utility model has the following beneficial effects:
according to the embodiment of the utility model, the first light-expanding lens and the polarized lens are covered on the light source part, so that light rays emitted by the light source part can be processed through the first light-expanding lens and the polarized lens, and the polarized lens is arranged along the transverse direction, so that the light rays passing through the polarized lens are deflected downwards, and the light rays distributed above the sea level are redistributed in the sea surface and a dark area below the ship body; the first light expansion lens is longitudinally arranged, so that light passing through the first light expansion lens is refracted towards two sides to provide a larger beam angle;
and the first light-expanding lens is positioned between the polarized lenses, so that the first light-expanding lens can expand the irradiation range of light rays emitted by the polarized lenses, further control the light ray distribution, improve the energy utilization rate, and simultaneously, most of the light rays are deflected downwards to emit light, so that the problem of dazzling is not easy to occur, and the influence on the eyesight of operators is reduced.
Specifically, the first light-expanding lens is provided with a first light-entering surface close to the light source piece, and a first convex surface and a second convex surface far away from the light source piece, the projection center of the first light-entering surface at the light-entering end coincides with the light source center of the light source piece, so that the first light-entering surface collects light rays of the light source piece, the projection center of the first convex surface at the light-entering end and the projection center of the second convex surface at the light-entering end are symmetrically positioned at two sides of the light source center of the light source piece, so that the focal length of the first light-expanding lens is prolonged, a symmetrical structure is formed, the light rays are symmetrically refracted by the first convex surface and the second convex surface, the light-emitting angle of the light rays is changed by the first light-expanding lens, the light rays are refracted by two sides of the first light-expanding lens, a larger beam angle is provided, and the irradiation range is enlarged;
further, the polarized lens is provided with a second light incident surface close to the light source piece and a third convex surface far away from the light source piece, the projection center of the second light incident surface at the light incident end coincides with the light source center of the light source piece, so that the second light is focused on the light rays of the light source piece, the projection center of the third convex surface at the light incident end is positioned at one side of the light source center of the light source piece, so that the light source piece is refracted out of the third convex surface to elongate the focal length of the polarized lens, an asymmetric structure is formed, the polarized lens can directionally polarize and project the light rays, the light emergent angle of the light rays is changed through the polarized lens, the light rays are refracted out of the third convex surface and irradiate a dark area at the sea surface and the lower side of the ship body, the light ray distribution is controlled, and the energy utilization rate is improved.
Drawings
FIG. 1 is a block diagram of an optical element of the present utility model;
FIG. 2 is a cross-sectional view of an optical element of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is another angular cross-sectional view of an optical element of the present utility model;
fig. 5 is a partial enlarged view at B shown in fig. 4.
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 to 5, an embodiment of the present utility model provides an optical element, which includes a light source 1, and a first light-expanding lens 2 and a polarized lens 3 covering the light source 1;
the embodiment of the utility model is characterized in that a first light-expanding lens 2 and a polarized lens 3 are covered on a light source part 1, so that light rays emitted by the light source part 1 can be processed through the first light-expanding lens 2 and the polarized lens 3, the polarized lens 3 is arranged along the transverse direction, and the light rays passing through the polarized lens 3 are deflected downwards so as to redistribute the light rays distributed above the sea level to the sea surface and a dark area below a ship body; the first light expansion lens 2 is arranged along the longitudinal direction, so that the light passing through the first light expansion lens 2 is refracted towards two sides to provide a larger beam angle;
and the first light-expanding lens 2 is located between the polarized lenses 3, so that the first light-expanding lens 2 can expand the irradiation range of the light rays emitted by the polarized lenses 3, further control the light ray distribution, improve the energy utilization rate, and meanwhile, most of the light rays are deflected downwards to emit light, so that the problem of dazzling is not easy to occur, and the influence on the eyesight of operators is reduced.
Specifically, the first light-expanding lens 2 is provided with a first light-entering surface 21 close to the light source element 1, and a first convex surface 22 and a second convex surface 23 far away from the light source element 1, the projection center of the first light-entering surface 21 at the light-entering end coincides with the light source center of the light source element 1, so that the first light-entering surface 21 collects light rays of the light source element 1, the projection center of the first convex surface 22 at the light-entering end and the projection center of the second convex surface 23 at the light-entering end are symmetrically positioned at two sides of the light source center of the light source element 1, so that the focal length of the first light-expanding lens 2 is prolonged, and a symmetrical structure is formed, so that the light rays are symmetrically refracted out by the first convex surface 22 and the second convex surface 23, the light-emitting angle of the light rays is changed by the first light-expanding lens 2, the light rays are refracted out from two sides of the first light-expanding lens 2, a larger beam angle is provided, and the irradiation range is enlarged;
further, the polarized lens 3 is provided with a second light incident surface 31 close to the light source member 1 and a third convex surface 32 far away from the light source member 1, the projection center of the second light incident surface 31 at the light incident end coincides with the light source center of the light source member 1, so that the second light incident surface 31 collects light rays of the light source member 1, the projection center of the third convex surface 32 at the light incident end is positioned at one side of the light source center of the light source member 1, so that the light source member 1 is refracted by the third convex surface 32 to emit light, the focal length of the polarized lens 3 is prolonged, an asymmetric structure is formed, the polarized lens 3 can directionally polarize and project the light rays, and the light emergent angle of the light rays is changed through the polarized lens 3, so that the light rays are refracted by the third convex surface 32 and irradiate on the sea surface and a dark area at the lower side of the ship body, thereby controlling the light ray distribution and improving the energy utilization rate.
Further, in conjunction with fig. 2 and fig. 3, in order to ensure the illumination effect of the first light-expanding lens 2, the first convex surface 22 and the second convex surface 23 are connected through the light-transmitting surface 24, and the projection center of the light-transmitting surface 24 at the light-entering end coincides with the light source center of the light source member 1, so that the light of the light source member 1 is refracted to a smaller extent after passing through the light-transmitting surface 24, or is not reflected and refracted, so as to ensure the light-emitting range after passing through the first light-expanding lens 2, and ensure the illumination effect.
Preferably, in actual use, the first convex surface 22 and the second convex surface 23 are used for irradiation near, the light-transmitting surface 24 needs to be irradiated far, and the farther the irradiation distance is, the larger the irradiation area is, the light energy is dispersed, therefore, the radius of curvature of the light-transmitting surface 24 is smaller than the radius of curvature of the first convex surface 22 and the radius of curvature of the second convex surface 23, and the smaller the radius of curvature is, the stronger the light-gathering performance is, so that the light-transmitting surface 24 can be irradiated far, and meanwhile, the illuminance of the light-transmitting surface 24 irradiated far is similar to the illuminance of the light-transmitting surface of the first convex surface 22 and the second convex surface 23 irradiated near, so as to ensure the use effect. Wherein, the arc length of the contour line of the light-transmitting surface 24 is smaller than the arc length of the contour line of the first convex surface 22 and the arc length of the contour line of the second convex surface 23, so as to ensure the light-emitting effect of the first convex surface 22 and the second convex surface 23 in the near place.
More preferably, the arc length of the contour line of the first convex surface 22 is consistent with the arc length radian of the contour line of the second convex surface 23, and the curvature radius of the first convex surface 22 is consistent with the curvature radius of the second convex surface 23, so as to form a bilaterally symmetrical polarized structure on the first light-expanding lens 2 arranged along the longitudinal direction, thereby further ensuring a larger beam angle and a larger irradiation range, and the light gathering effect of the first convex surface 22 and the second convex surface 23 is the same, so as to ensure the effect of uniformly refracting the light from the first light-expanding lens 2 to both sides thereof.
Similarly, referring to fig. 4 and 5, since the polarized lens 3 needs to illuminate not only a near area like a dark area on the lower side of the hull, but also a far sea surface, the polarized lens 3 is further provided with a transition surface 33 far away from the light source member 1, the transition surface 33 is adjacent to the third convex surface 32, and the radius of curvature of the transition surface 33 is smaller than that of the third convex surface 32, so that the condensing performance of the transition surface 33 is stronger, the light can be illuminated to the far sea surface, and the illuminance of the far sea illuminated by the transition surface 33 is similar to that of the near sea illuminated by the third convex surface 32, thereby ensuring the illumination effect.
The arc length of the contour line of the transition surface 33 is smaller than that of the contour line of the third convex surface 32, so as to ensure the light emitting effect of the third convex surface 32 at a near position, and simultaneously avoid light rays from shining to the staff through the transition surface 33, thereby reducing the influence on the eyesight of the staff.
Preferably, in conjunction with fig. 2 to 5, the first light incident surface 21 is concavely disposed toward the first light expansion lens 2, and the second light incident surface 31 is convexly disposed toward the polarizing lens 3, so as to concentrate the light of the light source 1 and facilitate the distribution of the refraction angle of the light.
In addition, referring to fig. 1 to 5 again, to ensure the stable structure, the optical element further includes a substrate 5, the light source 1, the first light-expanding lens 2 and the polarized lens 3 are all located on the substrate 5, and the first light-incident surface 21 and the second light-incident surface 31 are all oriented towards the substrate 5, so that the first light-incident surface 21 and the second light-incident surface 31 can be close to the light source 1.
Preferably, the first light-expanding lens 2 is provided with a first mounting portion 25 along a circumferential direction thereof, the first light-expanding lens 2 is connected to the substrate 5 through the first mounting portion 25, the polarized lens 3 is provided with a second mounting portion 34 along a circumferential direction thereof, and the polarized lens 3 is connected to the substrate 5 through the second mounting portion 34.
Preferably, the polarized lenses 3 are arranged at intervals in the longitudinal direction, and the first light-expanding lenses 2 are arranged at intervals in the transverse direction, so as to enhance the illumination effect.
More preferably, the optical element further includes a second light-expanding lens 4, the second light-expanding lens 4 is disposed along a longitudinal direction, and the polarizing lens 3 and the first light-expanding lens 2 are both located between the second light-expanding lenses 4 to further expand the illumination range. More preferably, the structural arrangement of the second light-expanding lens 4 may be identical to the structural arrangement of the first light-expanding lens 2.
The range of the spread angles of the first and second spread lenses 2 and 4 is set to 0 ° to 180 °, and the range of the polarized angles of the polarized lens 3 is set to 0 ° to 40 °. Furthermore, the optical element can be applied to not only fishing lamps, but also other application scenes, such as providing illumination within a specific area.
Since the fishing lamp according to the embodiments of the present disclosure includes the optical element according to any one of the embodiments, the fishing lamp according to the embodiments of the present disclosure has the technical effects brought by the optical element according to any one of the embodiments, so the technical effects of the fishing lamp according to the embodiments of the present disclosure may refer to the technical effects of the optical element according to any one of the embodiments, and will not be described herein.
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 light source part, a first light expansion lens and a polarized lens, wherein the first light expansion lens and the polarized lens are covered on the light source part, the first light expansion lens is arranged along the longitudinal direction, the polarized lens is arranged along the transverse direction, and the first light expansion lens is positioned between the polarized lenses;
the first light-expanding lens is provided with a first light-entering surface close to the light source piece, and a first convex surface and a second convex surface far away from the light source piece, the projection center of the first light-entering surface at the light-entering end coincides with the light source center of the light source piece, and the projection center of the first convex surface at the light-entering end and the projection center of the second convex surface at the light-entering end are symmetrically positioned at two sides of the light source center of the light source piece, so that the light source piece is refracted by the first convex surface and the second convex surface to emit light;
the polarized lens is provided with a second light incident surface close to the light source piece and a third convex surface far away from the light source piece, the projection center of the second light incident surface at the light incident end coincides with the light source center of the light source piece, and the projection center of the third convex surface at the light incident end is positioned at one side of the light source center of the light source piece so that the light source piece can reflect light from the third convex surface.
2. The optical element of claim 1, wherein the first convex surface and the second convex surface are connected by a light-transmitting surface, a projection center of the light-transmitting surface at the light incident end coincides with a light source center of the light source element, an arc length of a contour line of the light-transmitting surface is smaller than an arc length of the contour line of the first convex surface and an arc length of the contour line of the second convex surface, and a radius of curvature of the light-transmitting surface is smaller than a radius of curvature of the first convex surface and a radius of curvature of the second convex surface.
3. The optical element of claim 2, wherein the arc length of the first convex profile and the arc length of the second convex profile are consistent, and the radius of curvature of the first convex surface and the radius of curvature of the second convex surface are consistent.
4. The optical element of claim 1, wherein the polarized lens is further provided with a transition surface remote from the light source member, the transition surface being adjacent to the third convex surface, and wherein an arc length of a contour line of the transition surface is smaller than an arc length of a contour line of the third convex surface, and a radius of curvature of the transition surface is smaller than a radius of curvature of the third convex surface.
5. The optical element of claim 1, wherein the first light entry is disposed facing the concave in-first-expander lens and the second light entry is disposed facing the convex in-second-expander lens.
6. The optical element of claim 5, further comprising a substrate, wherein the light source, the first light-spreading lens, and the polarizing lens are all disposed on the substrate, and the first light-incident surface and the second light-incident surface are both oriented toward the substrate.
7. The optical element of claim 6, wherein the first light-expanding lens is provided with a first mounting portion along a circumferential direction thereof, the first light-expanding lens is connected to the substrate by the first mounting portion, the polarizing lens is provided with a second mounting portion along a circumferential direction thereof, and the polarizing lens is connected to the substrate by the second mounting portion.
8. The optical element of claim 1, wherein the polarized lenses are disposed in a longitudinally spaced apart arrangement and the first light-expanding lenses are disposed in a laterally spaced apart arrangement.
9. The optical element of claim 1, further comprising a second light-spreading lens disposed longitudinally between the second light-spreading lens and both the polarizing lens and the first light-spreading lens.
10. A fish gathering lamp comprising an optical element as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320851458.2U CN220205506U (en) | 2023-04-14 | 2023-04-14 | Optical element and fish gathering lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320851458.2U CN220205506U (en) | 2023-04-14 | 2023-04-14 | Optical element and fish gathering lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220205506U true CN220205506U (en) | 2023-12-19 |
Family
ID=89150839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320851458.2U Active CN220205506U (en) | 2023-04-14 | 2023-04-14 | Optical element and fish gathering lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220205506U (en) |
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2023
- 2023-04-14 CN CN202320851458.2U patent/CN220205506U/en active Active
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