一种相机镜头高精度自动调焦机构及其应用
By designing two sets of backlash adjustment mechanisms and servo motor drives on the camera lens, the problem of insufficient transmission accuracy is solved, achieving high-precision automatic focusing, which is suitable for quick installation and high-precision focusing of various camera models.
CN117170161BActive Publication Date: 2026-07-17MAANSHAN POWER SUPPLY COMPANY STATE GRID ANHUI ELECTRIC POWER +1
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- MAANSHAN POWER SUPPLY COMPANY STATE GRID ANHUI ELECTRIC POWER
- Filing Date
- 2023-05-25
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
Existing camera lens autofocus devices suffer from insufficient transmission precision, are unsuitable for high-precision automatic detection, and are incompatible with various camera models.
Method used
Two opposing backlash adjustment mechanisms are used, and backlash error is reduced through a backlash compensation drive mechanism and a focusing transmission mechanism. Combined with a servo motor and a manual focusing wheel, high-precision automatic focusing is achieved.
Benefits of technology
It improves focusing accuracy, reduces transmission errors, is suitable for various camera models, has a simple structure, is easy to install, and is suitable for photography and automatic detection.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN117170161B_ABST
Abstract
本发明公开了一种相机镜头高精度自动调焦机构及其应用，包括：调焦传动机构，齿隙补偿驱动机构，安装壳体；其中，调焦传动机构包括，同步带、同步带轮、涡轮轴、带轮滑动轴承、涡轮轴承、涡轮以及涡轮滑动轴承；齿隙补偿驱动机构包括手动调焦轮、齿隙调节螺栓、调焦轮轴承、蜗杆轴承、伺服电机转子轴承、伺服电机定子、伺服电机转子、高精度编码器以及驱动蜗杆；安装壳体包括镜头固定环、卡环固定座以及外壳体。本发明能通过两组对立的齿隙调节机构降低调焦过程中的齿隙误差传递，并能通过所提出调焦标定算法实现高精度的自动化调焦。
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