A magnetic levitation device
A technology of magnetic levitation and levitation, which is applied in the direction of magnetic attraction or thrust holding device, electrical components, etc., which can solve the problems that the levitation is easy to shake, unfavorable balance, increase the height of the base, and the complexity of the base structure to achieve the levitation height Adjustable, reducing the difficulty of placement, the effect of controllable magnetic field direction and size
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[0026] This embodiment provides a magnetic levitation bluetooth speaker, which suspends the speaker above the base 1 as a suspension body 4, so as to avoid resonance caused by contact with objects during audio playback, thereby affecting the sound quality.
[0027] like image 3 As shown, the magnetic levitation bluetooth speaker with adjustable levitation height includes a magnetic levitation base 1 and a speaker. Wherein the coil 2 is fixed on the coil assembly 3, the coil assembly 3 is fixed on the suspension body 4, the coil assembly 3 is provided with a Hall sensor, the base 1 includes an annular permanent magnet substantially horizontally arranged in the base, and an annular permanent magnet located in the base The four solenoid coils of the inner ring and the horizontal control unit connected to the solenoid coils. When the suspension 4 deviates from the reference position, it is controlled to return to the reference position.
[0028] In this embodiment, a method of ...
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