Patent ID: 8294542

Claim:
A magnetic suspension device comprising a magnetic base and a suspension body; the suspension body being suspended above the magnetic base, the suspension body being provided with a receiving coil and at least one luminous body; the magnetic base being provided with a transmitting coil, the transmitting coil transmitting an AC signal to the receiving coil; the receiving coil converting the AC signal transmitted by the transmitting coil into electric energy and supplying the electric energy to the luminous body for emitting light, wherein the suspension body is provided with a plurality of luminous bodies; the luminous bodies adopt LED lamps which are arranged inside the suspension body or on the suspension body, and are connected with the receiving coil by electric connection, wherein a permanent magnet is arranged inside the suspension body, and the permanent magnet is arranged symmetrically around the barycenter vertical of the suspension body, wherein the suspension body comprises an upper case, a lower case and a mounting ring arranged between the upper case and the lower case; a mounting part is arranged at the middle of the mounting ring, and the luminous bodies are mounted to the mounting part and are connected to the receiving coil via a connecting wire; the permanent magnet is an assembly of magnets, of which the lower end is a cylindrical magnet, and the upper end is several overlapped circular magnets; the middle of the receiving coil is provided with a through hole corresponding to the cylindrical magnet of the permanent magnet; the lower case is provided with a fixing pillar corresponding to the cylindrical magnet, and the middle of the fixing pillar is provided with a fixing hole; the cylindrical magnet passes through the through hole of the receiving coil, and then is inserted into the fixing hole; the permanent magnet is fixed at the lower end of the lower case; the receiving coil is sleevingly arranged to the outer side of the cylindrical magnet.