Induction heating equipment with multi-phase multiple coils, and method for induction heating equipment

An induction heating equipment, multi-coil technology, applied in induction heating, induction heating control and other directions, can solve the problems of low heat uniformity and efficiency, increased coil height, poor practicability, etc., to reduce human injury and interference, and reduce electromagnetic radiation. , the effect of uniform electromagnetic intensity
CN106102199AActive Publication Date: 2016-11-09FUZHOU UNIVERSITY
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
FUZHOU UNIVERSITY
Publication Date
2016-11-09

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Abstract

The invention relates to induction heating equipment with multi-phase multiple coils and a method for the induction heating equipment. The induction heating equipment comprises a main circuit, a control circuit, N coils, and magnetic cores, wherein N is a positive integer which is greater than or equal to 2; the main circuit comprises a rectifier circuit, a filter circuit and N inverter circuits; the control circuit comprises a main controller and a panel circuit which is connected with the main controller; the input end of the rectifier circuit is connected to a 200V power-frequency alternating current power supply; the output end of the rectifier circuit is connected to the N inverter circuits through the filter circuit; the N inverter circuits are correspondingly connected with the N coils; and the magnetic cores are arranged below the corresponding coils. By adoption of the induction heating equipment, the efficiency of electromagnetic heating equipment can be increased; and the temperature balance can be improved.
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Description

technical field

[0001] The invention relates to the field of electromagnetic heating, in particular to a multi-phase multi-coil induction heating device and method. Background technique

[0002] Electromagnetic induction heating technology rises rapidly as a new type of heating technology. It relies on high-frequency alternating current to generate high-frequency alternating magnetic field, and the mechanism of eddy current generated by the workpiece placed in the high-frequency alternating magnetic field realizes rapid heating of the workpiece. So as to achieve the purpose of heating.

[0003] Existing electromagnetic heating equipment such as induction cooker takes electromagnetic induction as the main principle. In the prior art, the induction cooker mainly has a "sandwich" structure, which is mainly divided into three parts: an induction coil, a magnetic core, and a pot body. In the prior art, the induction heating coil is designed as a plane spiral, and its outer diam...

Claims

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