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An elastic element, an anti-shake focusing device and a camera module

An elastic element, focusing device technology, applied in the field of photography, can solve the problems of high welding precision, low welding reliability, low overall yield, etc., and achieves low assembly accuracy requirements, low manufacturing accuracy requirements, and assembly. good stability

Active Publication Date: 2020-08-04
TRULY OPTO ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because the metal material is a hard material, although the metal pillars and metal shrapnel made of metal materials have good linearity, their fatigue life is short, and the metal pillars are small, which requires high precision and difficulty in welding, but reliable welding The flexibility is still very low; in order to make the metal shrapnel elastic, it is necessary to make a complex elastic wire structure between the inner ring used to connect the focusing mover and the outer ring used to connect the focusing stator to obtain the elastic force in the focusing direction, These complex elastic wire structures also have high requirements for manufacturing precision. The process of assembling the metal shrapnel is cumbersome and complicated, and the reliability of the connection is also very low, which ultimately leads to low overall yield and high price of the product.

Method used

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  • An elastic element, an anti-shake focusing device and a camera module
  • An elastic element, an anti-shake focusing device and a camera module
  • An elastic element, an anti-shake focusing device and a camera module

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] like figure 1 and 2 As shown, an elastic element 3 is used for the anti-shake focusing device. It is a double-layer annular integrated structure made of elastic material. The first annular structure 31 is used to fix the movable components of the anti-shake focusing device. 32 is used for fixedly connecting the fixing assembly of the anti-shake focusing device; the first ring structure 31 and the second ring structure 32 are connected and suspended through the suspension structure 33 .

[0036] The elastic element 3 is used in the anti-shake focusing device to connect the movable component and the fixed component, and is made of elastic material using an integral molding process. The suspension structure 33 is connected to the first ring structure 31 and the second ring structure 32 respectively. One-piece structure, no post-welding required like the metal pillars in the prior art, low requirements for manufacturing precision and high reliability; the suspension struct...

Embodiment 2

[0049] like image 3 and 4 As shown, an anti-shake focusing device includes:

[0050] The movable component is used to generate a permanent magnetic field and carry a lens;

[0051] The fixed component is used to generate the anti-shake variable magnetic field for anti-shake and the focus variable magnetic field for focusing when energized;

[0052] The upper elastic element 3B is used to fixedly connect the upper end of the movable component and the upper end of the fixed component;

[0053] The lower elastic element 3A is used to fixedly connect the lower end of the movable component and the lower end of the fixed component;

[0054] The first interaction force between the permanent magnetic field and the anti-shake variable magnetic field drives the movable assembly to move on the anti-shake plane XY, the pulling force of the suspension structure 33 of the upper elastic element 3B and the lower elastic element 3A is related to the permanent magnetic field and The first ...

Embodiment 3

[0080] A camera module includes the anti-shake focusing device described in the second embodiment.

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PUM

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Abstract

The present invention discloses an elastic element, anti -shake focusing device and camera module.This elastic component is used for anti -shake focusing device. It is a two -layer ring -shaped structure made of elastic material. The first ring structure is used to fix the activity component of the connection to the anti -shake focusing device.The fixed component of the device; the suspension structure between the first ring structure and the second ring structure is connected to each other through the suspension structure.This elastic element has the advantages of low production accuracy requirements, high product yield, long fatigue life, simple assembly and good reliability.

Description

technical field [0001] The invention relates to the field of photography, in particular to an elastic element, an anti-shake focusing device and a camera module. Background technique [0002] Currently, in the field of mobile phone cameras, OIS motors are commonly used to achieve anti-shake and focus of the lens. The existing OIS motor mainly consists of an anti-shake vibrator for carrying the lens and generating a permanent magnetic field and an anti-shake stator for generating an anti-shake variable magnetic field when energized. The interaction force between the magnetic fields drives the anti-shake element to move on the anti-shake plane. In addition, the anti-shake vibrator mainly includes a focus mover for carrying the lens and generating a focus variable magnetic field when energized, and a focus stator that generates a permanent magnetic field. The variable magnetic field of the focus mover and the permanent magnetic field of the focus stator The interaction force ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B5/00G02B7/04G03B13/34H04N5/232
CPCG02B7/04G03B5/00G03B13/34H04N23/687
Inventor 谢荣富林金鸿李山萌
Owner TRULY OPTO ELECTRONICS
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