Optical element structure with strong condensation effect

Abstract

The utility model relates to the technical field of optical components of lamps, in particular to an optical element structure with a strong condensation effect. The front end face and the rear end face of the lens are provided with a first taper hole and a second taper hole respectively. The diameter of the lens is gradually reduced along the light source direction; a front convex spherical surface protruding in the direction away from the light source is arranged in the first conical hole; a rear convex spherical surface which protrudes towards the direction close to the light source is arranged in the second conical hole; convex points are distributed on the surfaces of the front convex spherical surface and the first conical hole; and the convex points are arranged on the front convex spherical surface and the first conical hole in a Fermat spiral manner. When the anti-dazzle lens is used, light rays can be converged in a grading mode through the lens, the intensity of emergent light in the middle of a lamp is reduced, the anti-dazzle effect is achieved, the convex points distributed in the Fermat spiral line have the light uniformizing effect, and the anti-dazzle effect is further enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of lamp optical components, in particular to an optical element structure with a strong light-focusing effect. Background Art

[0002] In the spotlight structure, a plano-convex lens is generally added in front of the light source. Under the effect of the plano-convex lens focusing, the size of the light spot is reduced. In the existing spotlight structure, the optical structure used for focusing has a poor focusing effect, and the distance between the light source and the light outlet is relatively large. This long lamp makes the overall length of the lamp longer; and it will produce a dazzling effect; and this method of directly focusing light through a single direct convex lens structure basically concentrates the light in the middle, causing a dazzling effect. Utility Model Content

[0003] The purpose of the utility model is to provide an optical element structure with strong light focusing effect in view of the defects and shortcomings of the prior art.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] The utility model discloses an optical element structure with strong focusing effect, which comprises a lens and a light source bracket for fixing a light source; a cup body is arranged on the light source bracket; the lens is fixed on the cup body;

[0006] The front end face and the rear end face of the lens are respectively provided with a first tapered hole and a second tapered hole; the diameter of the lens gradually decreases along the direction of the light source; the interior of the first tapered hole is provided with a front convex spherical surface convex away from the light source; the interior of the second tapered hole is provided with a rear convex spherical surface convex toward the light source; the front convex spherical surface, the rear convex spherical surface, the first tapered hole and the second tapered hole are all coaxially arranged with the axis of the lens;

[0007] The surfaces of the front convex spherical surface and the first conical hole are covered with convex points; the convex points are arranged in the form of Fermat spiral lines on the front convex spherical surface and the first conical hole.

[0008] Furthermore, a lens flange is arranged around the outer surface of the lens; a concave shape is arranged on both sides of the left and right sides of the lens flange; a lens clamping plate is arranged inside the concave shape; a bracket buckle is arranged on both sides of the cup body; two bracket buckles are respectively buckled and fixed on two lens clamping plates; after the bracket buckle is clamped on the lens clamping plate, the lens flange is pressed against the end face of the concave shape.

[0009] Furthermore, a wire passing hole is provided on the light source bracket; the wire passing hole passes through both sides of the cup body; a baffle is provided on the side wall of the wire passing hole; the baffle and one end of the wire passing hole form a second wire passing hole.

[0010] Furthermore, a slot is formed on the side wall of the cup body.

[0011] After adopting the above structure, the beneficial effects of the utility model are as follows: the optical element structure with a strong focusing effect described in the utility model, when using the utility model, the middle light is focused by the convex lens structure formed by the combination of the rear convex spherical surface and the front convex spherical surface; the light on the outer ring of the convex lens is refracted by the second conical hole surface and then reflected on the inner surface of the lens to the first conical hole surface for focusing. Most of the light entering from the rear convex spherical surface is emitted from the surface of the front convex spherical surface, and the effect of focusing is achieved by the front convex spherical surface and the rear convex spherical surface. The light is evenly treated by the convex points distributed on the Fermat spiral line on the front convex spherical surface, which has an anti-glare effect; the light entering from the second conical hole directly irradiates the outer surface of the conical structure, and forms a total reflection on the inner surface of the lens, and the light entering from the second conical hole is refracted and emitted toward the surface convex points of the first conical hole as much as possible. After refraction on the surface of the first conical hole and uniform light treatment of the convex points on the surface of the first conical hole, the light becomes more uniform and tends to be parallel; the lens can converge the light in stages, reduce the intensity of the light emitted from the middle of the lamp, and have an anti-glare effect; the convex points arranged on the Fermat spiral lines have a uniform light effect, further enhancing the anti-glare effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is the first-person perspective stereogram of the lens;

[0014] Figure 3 It is a first-person perspective stereogram of the light source bracket;

[0015] Figure 4 It is a second perspective stereogram of the light source bracket;

[0016] Figure 5 is the optical path diagram of light passing through the lens;

[0017] Description of reference numerals:

[0018] 1. Light source bracket; 101. Bracket buckle; 102. Wire hole; 102a. Baffle;

[0019] 102b, second wire hole; 103, slot; 104, cup body; 105, gap; 2, lens;

[0020] 201, lens card plate; 202, lens flange; 203, front convex spherical surface; 204, concave;

[0021] 205, first tapered hole; 206, rear convex spherical surface; 207, second tapered hole. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings.

[0023] like Figures 1 to 5 As shown, the optical element structure with strong focusing effect described in the utility model comprises a lens 2 and a light source bracket 1 for fixing a light source; a cup body 104 is arranged on the light source bracket 1; and the lens 2 is fixed on the cup body 104;

[0024] The front end face of the lens 2 and the rear end face of the lens 2 are respectively provided with a first tapered hole 205 and a second tapered hole 207; the diameter of the lens 2 gradually decreases along the direction of the light source; the interior of the first tapered hole 205 is provided with a front convex spherical surface 203 convex away from the light source; the interior of the second tapered hole 207 is provided with a rear convex spherical surface 206 convex toward the light source; the front convex spherical surface 203, the rear convex spherical surface 206, the first tapered hole 205 and the second tapered hole 207 are all coaxially arranged with the axis of the lens 2;

[0025] The surfaces of the front convex spherical surface 203 and the first conical hole 205 are covered with convex points; the convex points are arranged in the form of Fermat spiral lines on the front convex spherical surface 203 and the first conical hole 205;

[0026] After the lens 2 is entirely embedded in the cup body 104 , most of the light from the light source enters the lens 2 through the second tapered hole 207 .

[0027] The middle light is focused by the convex lens structure formed by the combination of the rear convex spherical surface 206 and the front convex spherical surface 203; the light in the outer ring of the convex lens is refracted by the surface of the second conical hole 207 and then reflected on the inner surface of the lens 2 to the surface of the first conical hole 205 for focusing. Most of the light entering from the rear convex spherical surface 206 is emitted from the surface of the front convex spherical surface 203, and the front convex spherical surface 203 and the rear convex spherical surface 206 have the effect of focusing. The convex points distributed by the Fermat spiral line on the front convex spherical surface 203 are used to even the light, which has the effect of preventing glare; the light entering from the second conical hole 207 is directly irradiated to the outer surface of the conical structure, and forms a total reflection on the inner surface of the lens 2, and the light entering from the second conical hole 207 is refracted and emitted toward the surface convex points of the first conical hole 205 as much as possible. After refraction on the surface of the first conical hole 205 and uniform light treatment of the convex points on the surface of the first conical hole 205, the light becomes more uniform and tends to be parallel; the lens 2 can converge the light in stages, reduce the intensity of the light emitted from the middle of the lamp, and achieve an anti-glare effect; the convex points arranged on the Fermat spiral lines achieve a uniform light effect, further enhancing the anti-glare effect.

[0028] As a preferred embodiment of the present invention, a lens flange 202 is arranged around the outer surface of the lens 2; a concave 204 is arranged on both sides of the lens flange 202; a lens clamping plate 201 is arranged in each of the concave 204; a bracket buckle 101 is arranged on both sides of the cup body 104; two bracket buckles 101 are respectively buckled and fixed on two lens clamping plates 201; after the bracket buckle 101 is clamped on the lens clamping plate 201, the lens flange 202 is pressed against the end surface of the concave 204;

[0029] The lens 2 and the light source bracket 1 are fixed by a snap connection, which facilitates the assembly and disassembly of the lens 2 and the light source bracket 1 .

[0030] As a preferred embodiment of the utility model, a wire passing hole 102 is provided on the light source bracket 1; the wire passing hole 102 passes through both sides of the cup body 104; a baffle 102a is provided on the side wall of the wire passing hole 102; the baffle 102a and one end of the wire passing hole 102 form a second wire passing hole 102b; after the light source is fixed inside the cup body 104, the connecting wire is inserted into the second wire passing hole 102b through a gap 105 between the baffle 102a and the side wall of the wire passing hole 102; the baffle 102a and the elasticity of the wire itself are used to press the baffle 102a into the second wire passing hole 102b for positioning; when the wire needs to be removed from the wire passing hole 102b, the wire can be pulled out from the gap 105.

[0031] As a preferred embodiment of the present invention, a slot 103 is provided on the side wall of the cup body 104; the slot 103 is a glue injection port for packaging. In practical application, there are two slots 103, one for glue injection and the other for exhaust during glue injection.

[0032] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. An optical element structure with strong focusing effect, characterized in that: It comprises a lens (2) and a light source bracket (1) for fixing a light source; a cup body (104) is arranged on the light source bracket (1); and the lens (2) is fixed on the cup body (104); The front end face of the lens (2) and the rear end face of the lens (2) are respectively provided with a first tapered hole (205) and a second tapered hole (207); the diameter of the lens (2) gradually decreases in the direction of the light source; the interior of the first tapered hole (205) is provided with a front convex spherical surface (203) convex in a direction away from the light source; the interior of the second tapered hole (207) is provided with a rear convex spherical surface (206) convex in a direction close to the light source; the front convex spherical surface (203), the rear convex spherical surface (206), the first tapered hole (205) and the second tapered hole (207) are all arranged coaxially with the axis of the lens (2); The surfaces of the front convex spherical surface (203) and the first conical hole (205) are both covered with convex points; the convex points are arranged in the form of Fermat spiral lines on the front convex spherical surface (203) and the first conical hole (205).

2. The optical element structure with strong focusing effect according to claim 1, characterized in that: A lens flange (202) is arranged around the outer surface of the lens (2); a concave shape (204) is arranged on both the left and right sides of the lens flange (202); a lens clamping plate (201) is arranged in each of the concave shapes (204); a bracket buckle (101) is arranged on both sides of the cup body (104); two bracket buckles (101) are respectively buckled and fixed on two lens clamping plates (201); and after the bracket buckle (101) is clamped on the lens clamping plate (201), the lens flange (202) is pressed against the end surface of the concave shape (204).

3. The optical element structure with strong focusing effect according to claim 1, characterized in that: The light source bracket (1) is provided with a wire passing hole (102); the wire passing hole (102) passes through two sides of the cup body (104); a retaining bar (102a) is provided on the side wall of the wire passing hole (102); the retaining bar (102a) and one end of the wire passing hole (102) form a second wire passing hole (102b).

4. The optical element structure with strong focusing effect according to claim 1, characterized in that: The side wall of the cup body (104) is provided with a slot hole (103).

Images