Square voice coil motor
A voice coil motor, square technology, applied in the direction of electrical components, electromechanical devices, etc., can solve the problems of increasing the thrust coefficient, shortening the stroke, deformation of the magnetic field, etc., to achieve the goal of increasing the magnetic field gap, improving the thrust performance, and increasing the effective stroke Effect
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[0017] Embodiments of the voice coil motor of the present invention will be described below with reference to the accompanying drawings.
[0018] Such as figure 1 and figure 2 As shown, the stator magnetic field of the square voice coil motor of the invention is composed of at least four sets of magnets, each of which forms a gap magnetic field, and the two sets of magnets involved in each gap magnetic field are respectively installed on the outer iron yoke and the center iron yoke.
[0019] Such as image 3 As shown, the thickness of each magnet of the existing motor stator that the invention is used for comparison is equivalent to twice that of the magnets used in the motor of the invention.
[0020] Such as Figure 4 As shown, when the magnetic field gap of the motor increases, the magnetic field strength decreases slowly.
[0021] Such as Figure 5 and Figure 6 As shown, the stator magnetic field of the motor in the present invention is relatively evenly distribute...
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