Electromagnetic coupler with conical structure
An electromagnetic coupling and tapered structure technology, which is applied in the direction of inductors, electromagnetic wave systems, transformer/inductor cores, etc., can solve the problems of poor adaptability of gap lateral offset, etc., achieve simple docking, avoid structural wear, and magnetic Road maintains a stable effect
Inactive Publication Date: 2013-04-24
ZHEJIANG IND POLYTECHNIC COLLEGE
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Problems solved by technology
[0004] The present invention solves the problem that the electromagnetic coupler in the existing non-contact power transmission system has poor adaptability to the lateral offset of the gap, and provides a tapered structure electromagnetic coupler with strong adaptability to the lateral offset of the gap
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Embodiment Construction
[0022] refer to Figure 1-5 , a tapered structure electromagnetic coupler, including a power transmission component and a power pickup component, the power transmission component includes a primary magnetic core 1, a primary coil 2, a primary magnetic core mount 3, and the primary magnetic core 1 is installed on the primary magnetic core In the mounting seat 3, its outer wall 10 is bonded to the inner wall of the primary magnetic core mounting seat 3; the primary coil 2 is wound into a coil whose inner wall 8 is a conical hole shape and the outer wall 7 is a cylindrical coil, and the primary coil 2 is installed on In the primary magnetic core 1, its outer wall 7 is bonded to the inner wall 9 of the primary magnetic core 1; the opening direction of the conical hole of the primary coil 2 is consistent with the opening direction of the primary magnetic core 1 and the primary magnetic core mounting seat 3;
[0023] The power pickup assembly includes a secondary magnetic core 4, a ...
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The invention discloses an electromagnetic coupler with a conical structure. The electromagnetic coupler comprises an electric energy emission assembly and an electric energy pickup assembly; the electric energy emission assembly comprises a primary magnetic core, and a primary coil; the primary magnetic core is arranged in a primary magnetic core installation seat; the inner wall of the primary coil has a shape of a conical hole and the outer wall of the primary coil is cylindrical; the primary coil is arranged in the primary magnetic core; the electric energy pickup assembly comprises a secondary magnetic core, and a secondary coil plate; the secondary magnetic core and a secondary magnetic core installation plate are coaxial with each other; the inner wall of the secondary coil is cylindrical and the outer wall of the secondary coil is conical; the cylindrical inner wall of the secondary coil is in fit with the outer wall of a central column of the secondary magnetic core; the electric energy pickup assembly is arranged in the electric energy emission assembly; the inner wall of the primary coil is opposite to the outer wall of the secondary coil and a clearance is reserved between the inner wall of the primary coil and the outer wall of the secondary coil; a clearance is reserved between the primary magnetic core and the secondary magnetic core; and the primary magnetic core, the clearance between the primary magnetic core and the secondary magnetic core, and the secondary magnetic core form a coupling magnetic circuit.
Description
technical field [0001] The invention belongs to the technical field of electromechanical equipment, and in particular relates to an electromagnetic coupler with a tapered structure. Background technique [0002] In the non-contact power transmission system based on the principle of electromagnetic induction, the performance of the electromagnetic coupler directly affects the transmission characteristics of the system, especially the change of the gap of the coupler core will change the coupling inductance, coupling coefficient and other parameters, thus changing the system state, which is not conducive to system transmission. In order to improve the transmission capacity and stability of the system, it is necessary to ensure a relatively stable coupling coefficient between the primary and secondary coils of the coupler. [0003] At present, the non-contact power transmission system generally adopts a planar coupling structure, and the coil adopts a planar coiling method. Af...
Claims
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IPC IPC(8): H01F38/14H01F27/24H02J17/00H02J50/10
CPCH01F2005/006H01F38/14
Inventor 刘健高奇峰吴雄喜甘伟
Owner ZHEJIANG IND POLYTECHNIC COLLEGE