Integrated magnetic core framework of induction cooker and machining method of integrated magnetic core framework

Abstract

The invention discloses an integrated magnetic core framework of an induction cooker and a machining method of the integrated magnetic core framework. According to the integrated magnetic core framework of the induction cooker, a magnetic core and a bobbin framework are integrated into a whole, and the integrated magnetic core framework is made of a microcrystalline alloy magnetic core by integraldie-cast molding and packaged by epoxy resin. The integrated magnetic core framework comprises a central cylinder and a plurality of fan-shaped parts which are circumferentially and uniformly distributed along the outer side of the central cylinder, wherein the fan-shaped parts are of a stepped structure, and the stepped surface of the steps extends outwards and upwards in three stages along thebottom surface of the central column. Further, an induction heating coil plate adopts two distributive coil plates which have certain height difference and spaced at a distance. The provided integrated magnetic core framework has the characteristics of being compact in structure and uniform in heating, facilitating optimization design of magnetic circuits, mounting and maintenance and the like, the power loss and magnetic field leakage of the induction cooker are reduced, eddy current loss density on the outer side of the bottom of a cooker body and at the upper part of the cooker body is increased significantly, and distribution uniformity is improved obviously.

Description

technical field [0001] The invention belongs to the field of household appliances, and in particular relates to an induction cooker with an integrated magnetic core frame. Background technique [0002] As a new type of stove in the kitchen utensils market, the induction cooker breaks the traditional open fire cooking method and uses magnetic field induced current (eddy current) for heating. It has the advantages of fast heating, high thermal efficiency, no smoke, no harmful gas, small size, good safety, etc. advantage. The induction cooker generates an alternating magnetic field through the resonance formed between the electronic circuit and the coil disk; when the bottom of the iron pan is placed on the stove surface, the pan cuts the alternating magnetic force line to generate an alternating current on the surface of the pan (ie vortex). The magnetic circuit of a traditional induction cooker is mainly composed of a ferrite core and an iron pan. The magnetic field leakage...

AI Technical Summary

Problems solved by technology

This kind of structural design and material production make the production and manufacture of induction cooker always have problems such as troublesome installation of wire reel and magnetic core, complicated process flow, etc.

This not only reduces production efficiency, but also increases labor costs, equipment costs and material costs

At the same time, the optimal design of the magnetic circuit of the induction cooker is also limited by the shape of the magnetic core. The uniformity of induction heating is not good, the magnetic field leakage is relatively large, and the temperature in the area halfway from the center of the bottom of the pot to the outer edge is relatively high. Cooler areas in the center and outer edges

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