Three-dimensional shielding system of novel electromagnetic heating device

Abstract

The invention relates to the technical field of electromagnetic heating, in particular to a novel three-dimensional shielding system of an electromagnetic heating device, which comprises a frame, a cabinet body arranged outside the frame, the electromagnetic heating device arranged inside the frame, and an electromagnetic shielding structure arranged in the cabinet body and used for reducing radial electromagnetic radiation outside the electromagnetic heating device, the electromagnetic heating device comprises an electromagnetic heating pipe arranged in the cabinet body and an electromagnetic heating coil wound outside the electromagnetic heating pipe, one end of the electromagnetic heating pipe is fixedly connected with the frame, and the other end of the electromagnetic heating pipe is insulated and fixedly connected with the frame. Electromagnetic shielding of the electromagnetic heating coil in the axial direction and the radial direction can be achieved, so that heating of the frame and a peripheral cabinet body is reduced, scalding is avoided, and meanwhile the service life of the frame and the service life of the cabinet body are prolonged.

Description

technical field [0001] The invention relates to the technical field of electromagnetic heating, in particular to a three-dimensional shielding system of a novel electromagnetic heating device. Background technique [0002] Electromagnetic heating is a heating method that uses the principle of electromagnetic induction to convert electrical energy into heat energy. The high-speed high-frequency high-voltage current flowing through the coil will generate a high-speed alternating magnetic field. When a ferrous container is placed on it, the surface of the container will The tool cuts the alternating magnetic field lines to generate alternating current (ie eddy current) in the metal part of the container bottom. The eddy current makes the carriers at the bottom of the container move at high speed and irregularly, and the carriers collide and rub against each other to generate heat energy. So as to play the effect of heating the object. That is, by converting electrical energy i...

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Problems solved by technology

[0003] In the prior art, the electromagnetic heating coil will heat the ferromagnetic metal within the range of the magnetic field. In addition to heating the heating body that needs to be heated, it will also heat the closed metal shell of the peripheral cabinet, making the surface temperature of the peripheral cabinet It is very high, it is easy to cause burns to the staff, and it will cause the surface coating of the equipment to peel off, which will affect the service life of the peripheral cabinets

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