一种集成微型可变光圈结构的镜头模组

By integrating a miniature variable aperture structure and an electromagnet-driven filter switching mechanism, the problems of large lens module size and low filter switching efficiency are solved, realizing the miniaturization of the lens module and rapid adaptation to lighting scene requirements, thus improving image quality.

CN224519102UActive Publication Date: 2026-07-17SHENZHEN YUANTU PHOTOELECTRIC TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN YUANTU PHOTOELECTRIC TECH CO LTD
Filing Date
2025-09-17
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The filter design of existing lens modules increases module size and reduces switching efficiency, making it difficult to quickly adapt to lighting requirements in dynamic shooting scenarios.

Method used

It adopts an integrated micro-variable aperture structure, which adjusts the aperture size by driving the blades with an electromagnet, and integrates the filter into the rotating disk switching mechanism, using an electromagnet block to achieve rapid switching and alignment of the filter.

Benefits of technology

The lens module structure has been simplified, its size reduced, and its adaptability to different lighting conditions and imaging stability improved, as well as image quality and filter switching efficiency enhanced.

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    Figure CN224519102U_ABST
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Abstract

本实用新型涉及镜头模组领域,公开了一种集成微型可变光圈结构的镜头模组,包括镜头模组,所述镜头模组的顶部设置有可变光圈机构,所述可变光圈机构包括光圈座,所述光圈座固定连接在镜头模组的顶部,所述光圈座的顶部固定连接有固定轴,所述固定轴的外壁转动连接有叶片。本实用新型中通过第一电磁铁驱动移动杆、旋转盘联动叶片摆动,实现光圈精准调节,叶片边缘透明、近固定轴区域颜色渐深的设计,使光圈调节时不仅能控制进光孔径,还能通过深色区域旋入光路增强减光效果,无需额外叠加减光镜,既简化结构、缩减模组体积,又避免多光学元件叠加导致的眩光、鬼影问题,提升不同光线场景下的成像适配性与画质。
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Claims

1. A lens module integrated with a micro variable aperture structure, comprising a lens module (1), characterized in that: The top of the lens module (1) is provided with a variable aperture mechanism (2). The variable aperture mechanism (2) includes an aperture seat (21). The aperture seat (21) is fixedly connected to the top of the lens module (1). A fixed shaft (22) is fixedly connected to the top of the aperture seat (21). A blade (23) is rotatably connected to the outer wall of the fixed shaft (22). A movable shaft (24) is rotatably connected to the end of the blade (23) away from the fixed shaft (22). A disc (27) is fixedly connected to the outer wall of the aperture seat (21). An arc groove (28) is provided on the top of the disc (27). A moving rod (29) is slidably connected to the inner wall of the arc groove (28). A rotating disk (25) is fixedly connected to the top of the moving rod (29). A movable groove (26) is provided on the top of the rotating disk (25). The inner wall of the movable groove (26) is slidably connected to the outer wall of the movable shaft (24). A first electromagnet (211) is fixedly connected to the top of the disc (27). A magnet sleeve (210) is fixedly fitted on the outer wall of the moving rod (29). 2.The lens module with an integrated micro iris structure according to claim 1, wherein: The number of the three arc-shaped grooves (28) is three, and the three arc-shaped grooves (28) are evenly distributed on the top of the disk (27), and the curvature of the three arc-shaped grooves (28) is the same as the curvature of the disk (27). 3.The lens module of claim 2, wherein: The number of the first electromagnets (211) is six, and the six first electromagnets (211) are symmetrically arranged on both sides of the three arc-shaped grooves (28). 4.The lens module of claim 3, wherein: The edge area of ​​the blade (23) surface is set to transparent, and the area of ​​the blade (23) closer to the fixed axis (22) is darker in color. 5.The lens module of claim 4, wherein: The top of the rotating disk (25) is provided with a switching mechanism (3), which includes a moving groove (31). The moving groove (31) is opened on the top of the rotating disk (25), and there are three moving grooves (31). The three moving grooves (31) are evenly arranged on the top of the rotating disk (25). 6.The lens module of claim 5, wherein: The inner wall of the moving groove (31) is slidably connected to a moving block (32), the top of the moving block (32) is fixedly connected to a mounting frame (33), and the mounting frame (33) is slidably connected to the top of the rotating disk (25). The inner wall of the mounting frame (33) is fixedly connected to a filter (34), and the bottom of the moving block (32) is fixedly connected to a limiting block. The top of the limiting block is slidably connected to the bottom of the rotating disk (25). 7.The lens module of claim 6, wherein: A first magnet block (35) is fixedly connected to the outside of the mounting frame (33), a second electromagnet (36) is fixedly connected to the top of the rotating disk (25), and a second magnet block (37) is fixedly connected to the inside of the mounting frame (33). 8.The lens module of claim 7, wherein: The number of second magnet blocks (37) on the mounting frame (33) is two. The two second magnet blocks (37) are symmetrically arranged on the mounting frame (33), and the magnetic poles of the two second magnet blocks (37) are opposite.