CN213513434U

CN213513434U - Transverse polarized lens and campsite lamp with same

Info

Publication number: CN213513434U
Application number: CN202022658749.9U
Authority: CN
Inventors: 周述举
Original assignee: Shenzhen Olight eCommerce Technology Co Ltd
Current assignee: Aolei Technology Group Co ltd; Zhongshan Aolei Technology Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-06-22
Anticipated expiration: 2030-11-17

Abstract

The utility model relates to a horizontal polarisation lens and have campsite lamp of this lens, horizontal polarisation lens includes the lens body, and the lens body includes light-emitting portion, the lens body is the loop configuration, the lens body have an interior anchor ring and the top of lens body has the cavity of indent, the lateral wall of cavity forms one and goes into light portion to supply the light via the cavity incides go into light portion, interior anchor ring is the plane of reflection, the plane of reflection is used for reflecting and projects via going into light portion the light of plane of reflection, project via going into light portion the light warp of plane of reflection light portion jets out. This application sets up the plane of reflection through the interior anchor ring at the lens body, can change the direction of illumination of light to make the light process that the light source sent can transversely launch to deviate from behind the lens, let whole light can both outwards jet out, improved the light utilization ratio.

Description

Transverse polarized lens and campsite lamp with same

Technical Field

The utility model belongs to the technical field of the illumination, a think polarizing lens very much and have campsite lamp of this lens is related to.

Background

In order to achieve higher luminous flux of the existing campsite lamp, a light source is generally arranged in a lampshade, human eyes can directly see through the lampshade to directly see a light emitting point of the light source, but light rays emitted by the light source can give a glaring feeling to people, and the problem of glare can occur in vision, so that visual fatigue is caused.

In order to avoid the dazzling effect, the light source is often arranged at the top or the bottom of the camp lamp housing, and because the light emitting direction of the light source is directly emitted upwards or downwards, a part of the light is blocked in the housing due to the limitation of the divergence angle of the light, the light utilization rate is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, provide a horizontal polarisation lens and have campsite lamp of this lens, aim at solving the problem that the light utilization ratio is low of current campsite lamp.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the transverse polarized lens comprises a lens body, wherein the lens body comprises a light outlet part, the lens body is of an annular structure, the lens body is provided with an inner annular surface and a concave cavity is formed in the top of the lens body, a light inlet part is formed in the side wall of the cavity and used for allowing light to enter the light inlet part through the cavity, the inner annular surface is a reflecting surface, the reflecting surface is used for reflecting the light projected to the reflecting surface through the light inlet part, and the light projected to the reflecting surface through the light inlet part is emitted through the light inlet part.

Preferably, the light emergent portion includes a first refraction light emergent surface for refracting light projected to the first refraction light emergent surface through the light incident portion.

Furthermore, the light-emitting part further comprises a second refraction light-emitting surface, and the second refraction light-emitting surface is arranged corresponding to the reflecting surface so that light rays are reflected by the reflecting surface and then refracted out through the second refraction light-emitting surface.

Preferably, the reflecting surface is an annular curved surface.

Furthermore, the first refraction light emitting surface is an annular curved surface and is located on the outer side of the lens body.

Furthermore, the second refraction light emitting surface is located at the bottom of the lens body, and the second refraction light emitting surface is an annular plane.

Furthermore, the light incident part comprises a first light incident surface and a second light incident surface, the first light incident surface is an annular curved surface, the second light incident surface is an annular straight surface, light rays are projected to the outside after passing through the first refraction light emitting surface after being projected to the first light incident surface, and the light rays are projected to the outside after being reflected by the reflecting surface and then entering the outside after being refracted by the second refraction light emitting surface after being projected to the second light incident surface.

The utility model provides a campsite lamp, includes the horizontal polarisation lens that dustcoat, base and above-mentioned arbitrary scheme provided, the base with the dustcoat cooperation installation, the lens body assemble in the dustcoat, the dustcoat has a top cap, the light source module is installed to the bottom surface of top cap, the light source module sets up the open end of cavity, go into light portion towards the light-emitting direction of light source module.

Furthermore, the LED lamp comprises a copper substrate, and the light source module is arranged on the top cover through the copper substrate.

Furthermore, the heat dissipation structure comprises a heat dissipation seat, wherein the heat dissipation seat is attached to the copper substrate.

The utility model has the advantages that: the utility model provides a horizontal polarisation lens and have campsite lamp of this lens, this application sets up the plane of reflection through the interior anchor ring at the lens body, can change the direction of illumination of light to the light that makes the light source send passes through can transversely launch to incline behind the lens, let whole light can both outwards jet out, improved the light utilization ratio.

Drawings

Fig. 1 is a front view of a lateral polarized lens according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

fig. 3 is a perspective view of a lateral polarized lens according to an embodiment of the present invention;

fig. 4 is an exploded view of a campsite lamp with a transverse polarized lens according to an embodiment of the present invention;

fig. 5 is a schematic optical path diagram of a campsite lamp with a transverse polarized lens according to an embodiment of the present invention;

fig. 6 is an enlargement at B in fig. 5.

The labels in the figure are: 1. a housing; 101. a top cover; 2. a heat dissipation base; 3. a copper substrate; 4. a light source module; 5. a lens body; 501. a first light incident surface; 502. a second light incident surface; 503. a reflective surface; 504. a first refractive light-emitting surface; 505. a second refraction light emitting surface; 6. a base.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 6, fig. 1 to 3 show an embodiment of a transverse polarized lens according to the present invention, and fig. 4 to 6 show an embodiment of a campsite lamp according to the present invention.

The transverse polarized lens comprises a lens body 5 which comprises a light outlet part, wherein the lens body 5 is of an annular structure and is provided with an inner annular surface and an inwards concave cavity, the cavity is positioned at the top of the lens, the light source can be prevented from entering the cavity from the opening end of the cavity, a light inlet part is formed on the side wall of the cavity, and light rays emitted by the light source enter the cavity from the opening end of the cavity and enter the light inlet part through the cavity. After the light enters the lens, a part of the light is projected to the outer side of the lens body 5 and is emitted outwards, a part of the light is projected to the inner annular surface, the inner annular surface of the lens body 5 is a reflecting surface 503, and the light projected to the inner annular surface is emitted to the outer side of the lens body 5 after being reflected. Through setting up the interior anchor ring into plane of reflection 503, can change the light-emitting route of light, become to lens body 5 outside transmission after reflecting through the interior anchor ring with this part light that originally can only be to lens body 5 inboard transmission, the light that makes the light source send can all transversely emit light partially, has improved light utilization and luminous flux.

In this embodiment, the light emergent portion includes a first refraction light emergent surface 504, and the first refraction light emergent surface 504 is used for refracting the light projected to the first refraction light emergent surface 504 through the light incident portion. After entering the lens through the light entrance part, the light emitted by the light source is divided into two parts due to different light emitting angles, one part is projected to the first refraction light emitting surface 504, the other part is projected to the reflecting surface 503, the first refraction light emitting surface 504 is positioned at the outer side of the lens body 5, and the light is projected to the first refraction light emitting surface 504 and then directly emitted outwards through refraction. The first refraction light-emitting surface 504 is an annular curved surface, and the first refraction light-emitting surface 504 is located on the outer side of the lens body 5.

Further, in the present embodiment, as shown in fig. 2 and 3, the light exiting portion further includes a second refraction light exiting surface 505, the second refraction surface corresponds to the reflection surface 503, and all the light reflected by the reflection surface 503 exits through the second refraction light exiting surface 505. The second refraction light-emitting surface 505 is located at the bottom of the lens body 5, and the second refraction light-emitting surface 505 is an annular plane.

Preferably, the reflecting surface 503 is an annular curved surface, and the curved reflecting surface 503 can adapt to different emission angles of light, so that the light with different emission angles can be projected onto the reflecting surface 503 to realize total reflection.

Preferably, the light incident portion includes a first light incident surface 501 and a second light incident surface 502, where the first light incident surface 501 is an annular curved surface, and the second light incident surface 502 is an annular straight surface. The first light incident surface 501 and the first light refraction and emission surface 504 constitute a refraction region of the lens, and the second light incident surface 502, the reflection surface 503 and the second light refraction and emission surface 505 constitute a reflection region of the lens. Preferably, as shown in fig. 5 to 6, the first light incident surface 501 and the second light emergent surface 505 cooperate to deflect the emitted light rays by an angle of 80 ° to 120 °, so that the direction of the transverse light rays is close to the horizontal plane after being adjusted by refraction, and the light rays passing through the refraction region can irradiate farther places, mainly responsible for far illumination; the second light incident surface 502, the reflecting surface 503 and the second refraction light emitting surface 505 are matched to deflect the light rays by 45 degrees to 80 degrees, and the emitted light rays can irradiate the position around the ring shape of the campsite lamp to form near light irradiation. Lens body 5 comprises general refraction region and half the reflection region of half, can form transverse polarization after making light get into lens and shine to changed the original direction of illumination of light source, changed into transverse polarization from the downward irradiation originally and shone promptly and shine, avoided the light source to penetrate directly to bring visual dizzy light sense on the one hand, on the other hand can be with the whole transverse emission of light source, can combine far and near light to shine, and the illumination area is wider, and light utilization is rateed highly.

The utility model also provides a campsite lamp, including dustcoat 1, base 6 and horizontal polarisation lens, wherein, base 6 with 1 cooperation installation of dustcoat, lens body 5 assembles in dustcoat 1, and dustcoat 1 is equipped with a top cap 101, and light source module 4 is installed to the bottom surface of top cap 101, and light source module 4 sets up the open end at the cavity, go into light portion towards the light-emitting direction of light source module 4. The side wall of the outer cover 1 is made of a PC lens material, so that the light efficiency is better, and the light passing rate is high. The transverse polarized lens can irradiate the transverse polarized light of the light emitted by the light source module 4, and the light passes through the transparent outer cover 1 and directly irradiates outwards.

The campsite lamp still includes copper base plate 3 and radiating seat 2, and light source module 4 is fixed on the copper base plate 3, light source module 4 is the circumference and distributes, the light source passes through copper base plate 3 is fixed on top cap 101. The heat dissipation structure is characterized in that a heat dissipation seat 2 is further arranged between the top cover 101 and the copper substrate 3, and the heat dissipation seat 2 is attached to the copper substrate 3 and used for dissipating heat of the copper substrate 3.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims

1. The transverse polarized lens is characterized by comprising a lens body (5), wherein the lens body (5) comprises a light emitting portion, the lens body (5) is of an annular structure, the lens body (5) is provided with an inner annular surface, the top of the lens body (5) is provided with a concave cavity, a light entering portion is formed in the side wall of the cavity and used for allowing light to enter the light entering portion through the cavity, the inner annular surface is a reflecting surface (503), the reflecting surface (503) is used for reflecting the light projected to the reflecting surface (503) through the light entering portion, and the light projected to the reflecting surface (503) through the light entering portion is emitted through the light entering portion.

2. The transverse polarized lens of claim 1, wherein the light exit portion comprises a first refractive light exit surface (504), the first refractive light exit surface (504) configured to refract light projected onto the first refractive light exit surface (504) through the light entrance portion.

3. The transverse polarized lens according to claim 2, wherein the light emergent portion further comprises a second refraction light emergent surface (505), and the second refraction light emergent surface (505) is disposed corresponding to the reflective surface (503) so that light is refracted out through the second refraction light emergent surface (505) after being reflected by the reflective surface (503).

4. The transverse polarized lens of claim 1, wherein the reflective surface (503) is an annular curved surface.

5. The transverse polarized lens according to claim 3, wherein the first light-exiting refractive surface (504) is an annular curved surface, and the first light-exiting refractive surface (504) is located outside the lens body (5).

6. The transverse polarized lens according to claim 3, characterized in that the second refraction light exit surface (505) is located at the bottom of the lens body (5), and the second refraction light exit surface (505) is an annular plane.

7. The transverse polarized lens according to claim 3, wherein the light incident portion comprises a first light incident surface (501) and a second light incident surface (502), the first light incident surface (501) is an annular curved surface, the second light incident surface (502) is an annular straight surface, the light rays projected onto the first light incident surface (501) are refracted by the first light emergent surface (504) and then emitted outward, the light rays projected onto the second light incident surface (502) are reflected by the reflecting surface (503) and then refracted by the second light emergent surface (505) and then emitted outward.

8. The campsite lamp is characterized by comprising an outer cover (1), a base (6) and the transverse polarized lens of any one of claims 1 to 7, wherein the base (6) is installed in a matched mode with the outer cover (1), the lens body (5) is assembled in the outer cover (1), the outer cover (1) is provided with a top cover (101), a light source module (4) is installed on the bottom surface of the top cover (101), the light source module (4) is arranged at the open end of the cavity, and the light incoming portion faces the light outgoing direction of the light source module (4).

9. The campsite lamp according to claim 8, comprising a copper substrate (3), wherein the light source module (4) is mounted on the top cover (101) through the copper substrate (3).

10. The campsite lamp according to claim 9, comprising a heat sink (2), wherein the heat sink (2) is attached to the copper substrate (3).