Camera module attitude monitoring method and device, equipment and storage medium

Abstract

The embodiment of the invention relates to the technical field of camera modules, and discloses a camera module attitude monitoring method and device, equipment and a storage medium. The attitude monitoring method of the camera module comprises the following steps: acquiring a stroke difference value between a motor stroke of the camera module at different inclination angles and a motor stroke of the camera module in a horizontal direction, and acquiring a stroke offset limit value of a motor based on the stroke difference value; based on the stroke offset limit value, obtaining a driving instruction offset value of the motor corresponding to the driving current corresponding to the stroke offset limit value; obtaining a corresponding relationship between the resolution and the analytic value of the motor under different driving instruction offset values; and on the basis of the corresponding relationship, under different resolutions, monitoring the analytic value corresponding to the driving instruction offset value. According to the attitude monitoring method of the camera module provided by the embodiment of the invention, the monitoring process of the camera module is simplified, and the test cost, the labor cost and the time cost are saved.

Description

technical field [0001] The embodiments of the present application relate to the technical field of camera modules, and in particular, to a posture monitoring method, device, device, and storage medium of a camera module. Background technique [0002] At present, when camera modules (such as smartphone camera modules, tablet computer camera modules) use a voice coil motor (VCM) to focus and take pictures, the camera module is affected by the self-weight of the camera module lens. When using different pitch angles, the gravity of the lens will have a component force in the direction of the elastic force of the voice coil motor, which will cause the lens to defocus, which is called the three-position difference of the camera module. For example, if the lens of the camera module can focus clearly at the same distance in three directions: horizontal, upward (including tilted upward and forward upward), and downward (including tilted downward and forward downward), the required st...

AI Technical Summary

Problems solved by technology

[0003] In order to avoid the outflow of camera modules with large differences in three attitudes, the resolution of the camera modules at different tilt angles should be tested separately before leaving the factory. Usually, the camera modules need to be placed horizontally and upward (including In this case, it is usually necessary to test three times to ensure that the resolution of the camera module in each test direction can meet the requirements, so that First, it leads to higher testing cost, time cost and labor cost

Images