Magnetic core structure and electromagnetic coupling device based on magnetic core structure

A magnetic core and magnetic column technology, which is applied in the field of electromagnetic coupling, can solve the problems of low energy transmission efficiency, single magnetic field distribution, and low transmission efficiency, and achieve the effects of improving power supply efficiency, simple magnetic core structure, and high transmission efficiency
CN103400682AActive Publication Date: 2013-11-20GUANGXI POWER GRID ELECTRIC POWER RES INST +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
GUANGXI POWER GRID ELECTRIC POWER RES INST
Publication Date
2013-11-20

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Abstract

The invention discloses a magnetic core structure and an electromagnetic coupling device based on the magnetic core structure. The magnetic core structure comprises an emitter coil magnetic core baseplate and a picking coil magnetic core baseplate, which are square and are parallel to each other during working, wherein a plurality of magnetic winding columns are arranged on the inner side surface of the emitter coil magnetic core baseplate and are uniformly distributed in a rectangular array, while winding slots taking the shape of a Chinese character 'hui' are formed in the inner side of the picking coil magnetic core baseplate. The magnetic core structure and the electromagnetic coupling device have the remarkable effects that the structure of the magnetic core is simple, the processing forming is convenient, the magnetic field concentration ability is strong, the radio energy transmission distance is increased, the wound coil can be selectively powered and controlled, the electrical energy transmission area is adjustable to adapt to position deflection of a picking mechanism, the energy dissipation is small and the transmission efficiency is high.
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Description

technical field

[0001] The invention relates to electromagnetic coupling technology, in particular to a magnetic core structure used in a wireless energy transmission system and an electromagnetic coupling device based on the magnetic core structure. Background technique

[0002] Wireless power transfer technology (Inductive Power Transfer), referred to as IPT technology, is a new technology that transfers energy to loads in a non-contact manner through electromagnetic coupling. The electromagnetic coupling mechanism is a key module to realize the wireless transmission of electric energy, and its design is related to various indicators such as the transmission distance, transmission range and transmission efficiency of the IPT system. The electromagnetic coupling mechanism is composed of an energy emitting mechanism and an energy picking mechanism. For mobile devices, their wireless power transmission methods are generally divided into two types: fixed-point transmission an...

Claims

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