Anti-shake actuating module and camera module

Abstract

The invention discloses an anti-shake actuating module and a camera module, the anti-shake camera module comprises a translation actuator, the translation actuator comprises a movable part, a fixed part and a first SMA wire, the movable part is movably arranged on the fixed part, the fixed part is provided with an elastic arm, the free end of the elastic arm abuts against the movable part, and thefirst SMA wire is arranged on the fixed part. One end of the first SMA wire is connected with the fixed part, the other end of the first SMA wire is connected with the elastic arm, the distance between the connection point of the first SMA wire and the elastic arm and the fixed end of the elastic arm is smaller than the arm length of the elastic arm, and the first SMA wire is used for driving theelastic arm to push the movable part to move horizontally; and the rotary actuator is arranged on the movable part and is used for driving the image sensor module to rotate.

Description

technical field [0001] The invention relates to the field of camera equipment, in particular to an anti-shake actuation module and a camera module. Background technique [0002] In the process of taking a picture with a mobile phone, occasionally the image may not be clear, or even ghosting or blurring may occur. The reason for this situation, in addition to the incomplete focus of the mobile phone, is largely due to the slight shake when the scene is exposed. This kind of slight shaking phenomenon often occurs under handheld conditions, which will cause the lens of the camera device to deviate, resulting in poor final image quality. In current applications, an actuator is usually used to drive the translation of the lens module to correct the shake. In the existing technology, in order to reduce the volume, an actuator is often used to drive the translation of the lens module and the rotation of the image sensor module at the same time. The control difficulty is high; and...

AI Technical Summary

Problems solved by technology

This kind of slight shaking phenomenon often occurs under handheld conditions, which will cause the lens of the camera to deviate, making the final image quality poor

In current applications, an actuator is usually used to drive the translation of the lens module to correct the shake. In the existing technology, in order to reduce the volume, an actuator is often used to drive the translation of the lens module and the rotation of the image sensor module at the same time. It is difficult to control; and the driving stroke of the existing translation correction is limited, which cannot provide sufficient translation correction in severe jitter

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