A convex lens capable of controlling the amount of light passing through

By setting a matte surface around the light-inlet surface of the convex lens, the problem of excessive light-inlet surface affecting the light-through amount is solved, effective control of the light-through amount is achieved, and optical effect and practical performance are improved.

CN222732683UActive Publication Date: 2025-04-08JIANGSU HONGXIANG OPTICAL GLASS
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Patent Information

Application Number
CN202421444158.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-04-08
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

In the lighting field, the excessively large light-entry surface of existing convex lenses will affect the light transmission amount, resulting in poor optical effect.

Method used

A convex lens is designed, with a frosted surface arranged around the light-entry surface, and the matte surface is used to control the light-transmissive amount to ensure the matching of the optical base plate and the light-exit surface.

Benefits of technology

By setting the matte surface, the amount of light is effectively controlled, which improves the practical performance of the convex lens, and is simple in structure, easy to manufacture and efficient use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a convex lens, and specifically to a convex lens capable of controlling the amount of light passing through, which includes a convex lens body, the convex lens body is composed of an optical base plate and an optical surface body, the optical surface body is composed of a light-emitting surface body and a connecting seat body, a protrusion is arranged on the end surface of the optical base plate away from the connecting seat body, the protrusion is connected to the optical base plate as a whole, the side of the protrusion away from the optical base plate is a light-incoming surface, and a structure for controlling the amount of light passing is arranged on the end surface of the optical base plate connected to the protrusion. The utility model is provided with a frosted surface on the optical base plate around the light-incoming surface, and the light-transmitting frosted surface plays a role in controlling the amount of light passing, thereby increasing practical performance.
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Description

Technical Field

[0001] The utility model relates to a convex lens, in particular to a convex lens capable of controlling the amount of light passing through. Background Art

[0002] Nowadays, convex lenses have been used in photovoltaics in all walks of life, especially in the field of lighting. The light incident surface on the convex lens is set on the optical base plate, and the size of the light incident surface is often matched with the size of the optical base plate. However, in the actual use of lighting, the light incident surface on the convex lens is not the larger the better. It needs to match the optical surface. A light incident surface that is too large sometimes affects the amount of light passing through. Therefore, in order to solve the above problem, it is particularly important to design a convex lens that can control the amount of light passing through. Summary of the invention

[0003] In order to solve the above problems, the utility model designs a convex lens capable of controlling the amount of light passing through. Frosted surfaces are arranged on the optical bottom plate around the light incident surface. The light-transmitting frosted surfaces play a role in controlling the amount of light passing through, thereby increasing practical performance.

[0004] In order to solve the above technical problems, the utility model provides a convex lens capable of controlling the amount of light passing through, including a convex lens body, characterized in that: the convex lens body is composed of an optical base plate and an optical surface body, the optical surface body is composed of a light emitting surface body and a connecting seat body, the light emitting surface body is hemispherical, the optical base plate is arranged on an end surface of the connecting seat body and is connected to it as a whole, the end surface of the connecting seat body connected to the optical base plate is a first end surface, and the end of the optical base plate connected to the connecting seat body matches the shape and size of the first end surface, so that The light emitting surface body is arranged on the other end face of the connecting seat body and is connected to it as an integral part, the end face on the connecting seat body connected to the light emitting surface body is the second end face, and the connecting end face on the light emitting surface body matches the shape and size of the second end face, a protrusion is arranged on the end face of the optical base plate away from the connecting seat body, the protrusion is connected to the optical base plate as an integral part, and the side of the protrusion away from the optical base plate is the light incident surface, and a structure for controlling the amount of light is arranged on the end face on one side of the optical base plate connected to the protrusion, and the structure for controlling the amount of light is located on the optical base plate around the protrusion.

[0005] Further: the structure for controlling the amount of light is a frosted structure, which is specifically a frosted surface arranged on the optical base plate. The frosted surface is annular and is arranged on the optical base plate around the raised portion. The outer edge of the frosted surface coincides with the edge of the optical base plate.

[0006] Furthermore: the raised portion is cylindrical, the edge of the raised portion coincides with the inner edge of the frosted surface, and a chamfer is provided at one end of the raised portion away from the optical base plate.

[0007] Furthermore: the first end face and the second end face are both circular, the diameter of the first end face is larger than the diameter of the second end face, and the connecting seat body is truncated cone-shaped.

[0008] After adopting the above structure, the utility model is provided with frosted surfaces on the optical base plate around the light incident surface, and the light-transmitting frosted surface plays a role in controlling the amount of light passing, thereby increasing practical performance; and the design also has the advantages of simple structure, easy manufacturing, practicality and high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0010] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0011] Figure 2 Schematic diagram of the structure of the optical surface.

[0012] Figure 3 It is the main structural diagram of the utility model. DETAILED DESCRIPTION

[0013] like Figure 1 , Figure 2 and Figure 3 A convex lens capable of controlling the amount of light passing is shown, comprising a convex lens body, wherein the convex lens body is composed of an optical base plate 3 and an optical surface body, wherein the optical surface body is composed of a light emitting surface body 1 and a connecting seat body 2, wherein the light emitting surface body is hemispherical, wherein the optical base plate is arranged on an end surface of the connecting seat body and is connected thereto as a whole, wherein the end surface of the connecting seat body connected to the optical base plate is a first end surface, wherein an end of the optical base plate connected to the connecting seat body matches the shape and size of the first end surface, wherein the light emitting surface body is arranged on the connecting seat body The other end face of the connection seat body is connected to it as a whole, the end face of the connection seat body connected to the light emitting surface body is the second end face, the connection end face on the light emitting surface body matches the shape and size of the second end face, a protrusion 4 is arranged on the end face of the optical bottom plate away from the connection seat body, the protrusion is connected to the optical bottom plate as a whole, the side of the protrusion away from the optical bottom plate is the light incident surface, and a structure for controlling the amount of light is arranged on the end face of the optical bottom plate connected to the protrusion, and the structure for controlling the amount of light is located on the optical bottom plate around the protrusion. This design has the advantages of simple structure, easy manufacturing, practicality and high efficiency.

[0014] like Figure 1The structure for controlling the amount of light transmission is a frosted structure, which is specifically a frosted surface arranged on the optical base plate. The frosted surface is annular and is arranged on the optical base plate around the raised portion. The outer edge of the frosted surface coincides with the edge of the optical base plate. The utility model is provided with a frosted surface on the optical base plate around the light incident surface. The light-transmitting frosted surface plays a role in controlling the amount of light transmission, thereby increasing practical performance.

[0015] like Figure 1 and Figure 3 The raised portion shown is cylindrical, the edge of the raised portion coincides with the inner edge of the frosted surface, and a chamfer is provided at one end of the raised portion away from the optical base plate.

[0016] The first end face and the second end face are both circular, the diameter of the first end face is larger than the diameter of the second end face, and the connecting seat body is in a truncated cone shape.

[0017] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should be regarded as the protection scope of the utility model.

Claims

1. A convex lens capable of controlling the amount of light passing through, comprising a convex lens body, characterized in that: The convex lens body is composed of an optical base plate (3) and an optical surface body, and the optical surface body is composed of a light emitting surface body (1) and a connecting seat body (2), the light emitting surface body is hemispherical, the optical base plate is arranged on an end surface of one end of the connecting seat body and is connected to it as a whole, the end surface of the connecting seat body connected to the optical base plate is a first end surface, the end of the optical base plate connected to the connecting seat body matches the shape and size of the first end surface, the light emitting surface body is arranged on the other end surface of the connecting seat body and is connected to it as a whole, the end surface of the connecting seat body connected to the light emitting surface body is a second end surface, the connecting end surface of the light emitting surface body matches the shape and size of the second end surface, a protrusion (4) is arranged on an end surface of the optical base plate away from the connecting seat body, the protrusion is connected to the optical base plate as a whole, and a side of the protrusion away from the optical base plate is a light incident surface, and a structure for controlling the amount of light is arranged on a side end surface of the optical base plate connected to the protrusion, and the structure for controlling the amount of light is located on the optical base plate around the protrusion.

2. A convex lens capable of controlling light flux according to claim 1, characterized in that: The structure for controlling the amount of light transmitted is a frosted structure, which is specifically a frosted surface arranged on the optical base plate. The frosted surface is annular and is arranged on the optical base plate around the raised portion. The outer edge of the frosted surface coincides with the edge of the optical base plate.

3. A convex lens capable of controlling light flux according to claim 2, characterized in that: The raised portion is cylindrical, the edge of the raised portion coincides with the inner edge of the frosted surface, and a chamfer is provided at one end of the raised portion away from the optical base plate.

4. The convex lens capable of controlling the amount of light passing through according to claim 1, characterized in that: The first end face and the second end face are both circular, the diameter of the first end face is greater than the diameter of the second end face, and the connecting seat body is in a truncated cone shape.