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SMA actuating device, camera shooting module and electronic equipment

An actuating device and camera module technology, which is applied in the electronic field, can solve problems such as wear and affecting service life, and achieve the effects of improving service life, improving use, and miniaturization

Pending Publication Date: 2020-07-03
SEADEC TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, the technical defect of the SMA actuator is that there is a relatively serious wear problem, which affects the service life

Method used

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  • SMA actuating device, camera shooting module and electronic equipment
  • SMA actuating device, camera shooting module and electronic equipment
  • SMA actuating device, camera shooting module and electronic equipment

Examples

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Embodiment Construction

[0029] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0030] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, left, right, front, back, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in ...

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PUM

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Abstract

The invention relates to the field of electronics, and discloses an SMA actuating device, a camera shooting module and electronic equipment. The SMA actuating device comprises an actuating device anda driven piece, wherein the actuating part comprises an SMA wire, a supporting part, a first elastic part, a connecting rod and a second elastic part; the SMA wire can be electrified and contracted, and one end of the connecting rod is connected with the SMA wire; the first elastic part is arranged between the connecting rod and the supporting part; the second elastic part is arranged at the otherend of the connecting rod; the first elastic part and the second elastic part can be elastically bent; the driven piece is connected with the second elastic part; the SMA wire can drive the connecting rod and the second elastic arm to swing relative to the supporting part through contraction, and the second elastic part can drive the driven piece to move. According to the invention, the connection part between the actuating part and the driven piece can be prevented from moving relatively, so that the problem of mutual abrasion between the part and the driven piece is avoided, and the servicelife is prolonged.

Description

technical field [0001] The invention relates to the field of electronics, in particular to an SMA actuator, a camera module and electronic equipment. Background technique [0002] An actuating device is a commonly used driving mechanism in the electronic field, and can be used to drive a camera. SMA refers to shape memory alloy, which is a kind of driving element in the actuating device. SMA is a material composed of two or more metal elements that has a shape memory effect (SME) through thermoelasticity and martensitic phase transformation and its inversion. SMA can be deformed at a lower temperature, and can recover the shape before deformation after being heated by electricity, so as to realize electronically controllable shrinkage. [0003] A camera module equipped with an SMA actuator generally also includes a lens assembly, on which several lenses are arranged, so as to realize the imaging function. The SMA actuating device needs to drive the movement of the lens as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/04G02B27/64G03B13/34G03B5/00G03B30/00
CPCG02B7/04G02B27/646G03B13/34G03B5/00
Inventor 刘述伦计树标耿新龙
Owner SEADEC TECH LTD
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