Magnetic conductive device and voice coil motor
A technology of voice coil motor and magnetic conduction, applied in the direction of electromechanical devices, magnetic circuit shape/style/structure, electrical components, etc., can solve the problems of voice coil motor 1 stability deterioration, poor stability, waste of magnetic force line Φ, etc. , to achieve the effect of improving stability, improving stability, and enhancing electromagnetic thrust
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[0052] refer to Figure 2A , Figure 2A A schematic diagram showing the appearance of the magnetic permeation device according to the embodiment of the present invention. The magnetic guide device 2 is used in the voice coil motor ( Figure 2A not marked), and is used to communicate with the coil under power in the voice coil motor ( Figure 2A not marked) to interact with each other to generate the actuation force required by the voice coil motor.
[0053] Refer again Figure 2A . The magnetic conduction device 2 includes a non-circular magnet cylinder 20 and a magnetic conductor 22 , which is an assembly composed of the non-circular magnet cylinder 20 and the magnetic conductor 22 . The magnetic guide 22 covers the non-annular magnet cylinder 20 , serves as a path for the flow of magnetic flux generated by the non-annular magnet cylinder 20 (magnet), and can make the magnetic flux concentrated and distributed. In the foregoing, the non-annular magnet cylinder 20 and th...
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