CN215764939U

CN215764939U - Lamp lens

Info

Publication number: CN215764939U
Application number: CN202122410572.5U
Authority: CN
Inventors: 邹达伟; 熊大章; 梁晓辉
Original assignee: Zhongshan City Darkoo Optics Co ltd
Current assignee: Zhongshan City Darkoo Optics Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-08
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a lamp lens, which comprises a lens body, wherein the lens body is integrally conical, a light incoming area is arranged at the bottom end of the lens body, a light outgoing part is arranged at the top end of the lens body, and the light outgoing part and the lens body are of an integrated structure; the end face of the light emergent part facing outwards is provided with a plurality of refraction surfaces which are mutually connected to form a scaly light emergent area; the light emitting device comprises a light emitting part and is characterized in that a concave cavity is formed in the center of the light emitting surface, a convex part is arranged at the bottom end of the concave cavity, and one end, facing the light emitting part, of the convex part is an arc surface. It has the advantages of simple structure, excellent effect, reasonable design and the like; therefore, the product has excellent technical and economic performance.

Description

Lamp lens

[ technical field ] A method for producing a semiconductor device

The utility model mainly relates to a lamp lens.

[ background of the utility model ]

As traditional incandescent bulbs slowly fade out of historical stage, fourth generation solid state light sources, typified by LEDs, are gradually building a core leadership in the field of lighting. The LED becomes a competitive novel light source in the 21 st century by the advantages of high efficiency, pure light and color, low energy consumption, long service life, no pollution and the like. With the continuous improvement of the luminous flux and the luminous efficiency of the LED, the LED is more and more widely applied in the field of illumination. However, the surface light emission of the LED chip is Lambertian and cannot be directly applied to the lighting system. Therefore, the design of secondary light distribution using LEDs as light sources is very important.

The grading module on the existing market generally uses reflection of light cup lens as the main, and reflection of light cup lens generally has the grading efficiency lower like this, and the facula is not enough even, dazzles easily. Therefore, it is urgently needed to design a lens which can improve the light distribution efficiency, effectively control the light irradiation direction, make the light spot uniform and has low design cost.

[ Utility model ] content

In order to solve at least one of the above problems, the utility model provides a novel lamp lens, which adopts the following technical scheme:

a lamp lens comprises a lens body, wherein the lens body is integrally conical, a light entering area is arranged at the bottom end of the lens body, a light emitting part is arranged at the top end of the lens body, and the light emitting part and the lens body are of an integrated structure;

the end face of the light emergent part facing outwards is provided with a plurality of refraction surfaces which are mutually connected to form a scaly light emergent area;

the light emitting device comprises a light emitting part and is characterized in that a concave cavity is formed in the center of the light emitting surface, a convex part is arranged at the bottom end of the concave cavity, and one end, facing the light emitting part, of the convex part is an arc surface.

Preferably, the cavity is located on the centerline of the lens body.

Preferably, the protrusion is spaced from the wall of the cavity.

Preferably, the side wall of the light emergent portion is provided with a fixture block and a bayonet, the fixture block protrudes outwards relative to the side wall of the light emergent portion, and the bayonet is locally positioned in the light emergent area.

Preferably, the light incident region is recessed into the lens body.

Preferably, the bottom end face of the lens body is provided with a clamping strip and a joint, and the clamping strip and the joint are arranged around the light incoming area.

Preferably, the diameter of the light incoming area is gradually reduced from the bottom end of the lens body to the inside of the lens body.

Preferably, one end of the light incident area, which is close to the light emergent area, is provided with a concave position.

Compared with the background technology, the utility model has the following beneficial effects:

according to the scheme, the LED is arranged in the light incoming area, part of light enters the convex part through the concave part and then is emitted out of the lens body after entering the light incoming area, part of light reaches the wall part of the lens body after being refracted by the wall part of the light incoming area, and the light is emitted out of the lens body after being adjusted by the scale-shaped refracting surface after being refracted continuously. It has the advantages of simple structure, excellent effect, reasonable design and the like; therefore, the product has excellent technical and economic performance.

[ description of the drawings ]

FIG. 1 is a schematic view of a first angle of view of a lens of a lamp according to an embodiment of the present invention;

FIG. 2 is a schematic view of a lens of a lamp according to a second embodiment of the present invention;

FIG. 3 is a schematic view of refraction of a light path of a lens of a lamp according to a preferred embodiment of the utility model.

[ detailed description ] embodiments

Reference will now be made in detail to the 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 functions throughout.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The technical scheme and the beneficial effects of the utility model are clearer and clearer by further describing the specific embodiment of the utility model with the accompanying drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the utility model, but are not to be construed as limiting the utility model.

The preferred embodiment provided by the present invention: as shown in fig. 1 to 3, a lamp lens includes a lens body 1, the lens body 1 is conical as a whole, the maximum diameter of the conical lens body is the top end of the lens body, the minimum diameter is the bottom end of the lens body, the bottom end of the lens body 1 is provided with a light incident area 11, the top end of the lens body 1 is provided with a light emergent portion 2, and the light emergent portion 2 and the lens body 1 are of an integrated structure; the light-emitting part 2 is in a column shape as a whole, the diameters of all positions (excluding a bayonet, a fixture block and a light-emitting surface) are consistent, and the diameter of the light-emitting part is consistent with the diameter of the top end of the lens body.

A plurality of refraction surfaces 21 are arranged on the outward end surface of the light emergent part 2, the refraction surfaces 21 have radians, and the refraction surfaces 21 are mutually connected to form a scaly light emergent area 22; the edge of the light emergent area 22 is offset to the central line direction of the lens body by a certain distance relative to the edge of the light emergent part 2, namely, the edge of the light emergent area 22 is not flush with the edge of the light emergent part 2. The side wall of the light emergent portion 2 is provided with a fixture block 23 and a bayonet 24, the fixture block 23 protrudes outwards relative to the side wall of the light emergent portion 2, and the bayonet 24 is partially positioned in the light emergent region 22.

The center department of going out light zone 22 is equipped with cavity 3, and the cavity is whole to be the column, the bottom of cavity 3 is equipped with convex part 31, the one end that convex part 31 faced light-emitting part 2 is the cambered surface. The concave cavity 3, the convex part 31 and the lens body 1 are located on the same axis, which is the central line of the lens body. The protrusion 31 is spaced from the wall of the cavity 3, i.e. the diameter of the protrusion 31 is smaller than the diameter of the cavity 3.

The light incident area 11 is recessed into the lens body 1, the bottom end face of the lens body 1 is provided with a clamping strip 12 and a joint 13, and the position of the lens body can be limited by utilizing the clamping strip, the joint, a clamping block and a bayonet; the clamping strip 12 and the joint 13 are arranged around the light incoming area 11; the diameter of the light incoming area 11 gradually decreases from the bottom end of the lens body to the inside of the lens body; one end of the light inlet area 11, which is close to the light outlet area, is provided with a concave position 14, the concave position 14 is concave to the bottom direction of the lens body 1, and the concave part of the concave position is positioned in the light inlet area. The LED is arranged in the light entering area, part of light enters the convex part 31 through the concave part 14 and then is emitted out of the lens body after entering the light entering area, part of light reaches the wall part of the lens body after being refracted by the wall part of the light entering area, and the light is emitted out of the lens body after being adjusted by the scale-shaped refracting surface after being refracted continuously.

In the description of the specification, reference to the description of "one embodiment", "preferably", "an example", "a specific example" or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and modifications and substitutions based on the known technology in the field are within the scope of the present invention, which should be limited by the claims.

Claims

1. A lamp lens, comprising a lens body, characterized in that: the whole lens body is conical, a light entering area is arranged at the bottom end of the lens body, a light emitting part is arranged at the top end of the lens body, and the light emitting part and the lens body are of an integrated structure;

2. The luminaire lens of claim 1, wherein: the cavity is located on the centerline of the lens body.

3. The luminaire lens of claim 1, wherein: the protrusion has a space from the wall of the cavity.

4. The luminaire lens of claim 1, wherein: the lateral wall of light-emitting portion is equipped with fixture block and bayonet socket, the fixture block is outwards outstanding for the lateral wall of light-emitting portion, the bayonet socket part is located light-emitting zone.

5. The luminaire lens of claim 1, wherein: the light incident area is recessed into the lens body.

6. The luminaire lens of claim 1, wherein: the bottom end face of the lens body is provided with a clamping strip and a joint, and the clamping strip and the joint are arranged around a light entering area.

7. The luminaire lens of claim 1, wherein: the diameter of the light incoming area is gradually reduced from the bottom end of the lens body to the inside of the lens body.

8. The luminaire lens of claim 1, wherein: one end of the light incoming area, which is close to the light outgoing area, is provided with a concave position.