Patent ID: 9634540
Date: 2017-04-25
CPC Classifications: H01F,H02K

Claim:
1. A magnetic suspension planar motor comprising: a primary structure, and a secondary structure; wherein an air gap is provided between said primary structure and said secondary structure; said primary structure comprises a primary base plate and armature windings; said primary base plate is in a shape of board; said armature windings are fixed on an air gap side of said primary base plate, wherein said air gap side is defined as a side adjacent to said air gap; said secondary structure comprises a secondary base plate ( 1 ), a cooling container, and 2 h 2 superconducting magnets ( 2 ); said secondary base plate ( 1 ) is evenly divided into 2 h*2 h magnet cells, wherein h is a positive number; side lengths of said magnet cells are equal to a polar distance τ p of a magnet array; said 2 h 2 superconducting magnets ( 2 ) are respectively fixed in said magnet cells on said secondary base plate ( 1 ); said superconducting magnets ( 2 ) are not directly horizontally adjacent and not directly vertically adjacent to each other, neither in a horizontal direction nor in a vertical direction; said superconducting magnets ( 2 ) are magnetized parallelly, magnetization directions of said superconducting magnets ( 2 ) are perpendicular to a surface on an air gap side of said secondary base plate ( 1 ); said superconducting magnets ( 2 ) in a same row or a same column have same magnetization directions; said superconducting magnets ( 2 ) in adjacent rows or adjacent columns have contrary magnetization directions; and said cooling container shields all of said superconducting magnets ( 2 ); wherein said primary base plate is made of nonmagnetic materials; wherein said primary base plate comprises an electromagnetic shielding plate on an upper side thereof, wherein said upper side refers to a side opposite to said air gap side; wherein said primary structure comprises a liquid cooling structure, and cooling liquid pipelines are arranged on said primary base plate; wherein said primary structure further comprises a deflection controlling winding ( wherein said primary structure in said magnetic suspension planar motor is used as a mover.