Method for suppressing vibration noises of camera in electronic device
The present disclosure provides a method for suppressing vibration noises of a camera in an electronic device, wherein the electronic device at least comprises a housing, and an acoustic actuator and a camera accommodated in the housing, and the acoustic actuator drives the electronic device to vibrate and sound; the camera is a zoom lens and comprises a movable component and a fixed component, and the method comprises the following steps of: S 1 : detecting whether the acoustic actuator is in a vibrating state, performing S 2 if the acoustic actuator is in a vibrating state; otherwise, ending the step; S 2 : generating a drive current according to a relative position relationship between the movable component and the fixed component to drive the movable component to move until abuts against the fixed component and tightly presses the movable component; and S 3 : repeating S 1 . The present disclosure greatly suppresses the vibration of the movable component, thereby suppressing the vibration noises of the camera.
1. A method for suppressing vibration noises of a camera in an electronic device, wherein the electronic device at least comprises a housing, and an acoustic actuator and a camera accommodated in the housing, and the acoustic actuator drives the electronic device to vibrate and sound; and the camera is a zoom lens and comprises a movable component and a fixed component, characterized in that the method comprises the following steps of:
S 1 : detecting whether the acoustic actuator is in a vibrating state, performing S 2 if the acoustic actuator is in a vibrating state; otherwise, ending the step;
S 2 : generating a drive current according to a relative position relationship between the movable component and the fixed component to drive the movable component to move until abuts against the fixed component and tightly presses the fixed component; and
S 3 : repeating S 1 .
2. The method for suppressing vibration noises of a camera in an electronic device according to claim 1 , characterized in that in S 2 , the camera quits a zoom state, the movable component automatically returns to an initial position, and the relative position relationship is determined by a distance between the initial position and the fixed component.
3. The method for suppressing vibration noises of a camera in an electronic device according to claim 2 , characterized in that the fixed component comprises an inner shell having an accommodating space, the movable component is accommodated in the accommodating space, and the relative position relationship is determined by the initial position and an inner wall of the inner shell closest to the initial position.
4. The method for suppressing vibration noises of a camera in an electronic device according to claim 3 , characterized in that the initial position is located at a geometric center position of the accommodating space.
5. The method for suppressing vibration noises of a camera in an electronic device according to claim 3 , characterized in that the initial position is close to the inner wall of the inner shell.
6. The method for suppressing vibration noises of a camera in an electronic device according to claim 3 , characterized in that the acoustic actuator is a piezoelectric actuator or an electromagnetic actuator, and the acoustic actuator and the housing are relatively fixed.
7. The method for suppressing vibration noises of a camera in an electronic device according to claim 3 , characterized in that the camera further comprises an actuating coil fixed in the inner shell, and the drive current flows through the actuating coil to drive the movable component to move in the accommodating space.
8. The method for suppressing vibration noises of a camera in an electronic device according to claim 1 , characterized in that the drive current comprises a first current signal and a second current signal, the first current signal drives the movable component to move to the fixed component, and the second current signal drives the movable component to keep tightly pressing the fixed component.
9. The method for suppressing vibration noises of a camera in an electronic device according to claim 8 , characterized in that the second current signal is less than or equal to the first current signal.