Electromagnetic variable-frequency radiation-free heater

Abstract

The invention relates to an electrothermal heater, in particular to an electromagnetic variable-frequency radiation-free heater, which comprises a high-frequency lead wound outside a non-metal insulating material column tube. The non-metal insulating material column tube is placed in a water jacket barrel, the water jacket barrel is divided into an upper jacket cavity and a lower jacket cavity or a plurality of jacket cavities, each jacket cavity is provided with a water flowing hole, a water outlet of the upper jacket cavity is communicated and connected with a water return pipeline, a water jacket cover and a water jacket bottom are respectively disposed at the top and the bottom of the water jacket barrel, a water inlet tube is communicated and connected with the inside of the water jacket bottom, a water outlet tube of the water jacket bottom is communicated and connected with the water jacket cover, and a water outlet tube of the water jacket cover is communicated and connected with the lower jacket cavity of the water jacket barrel. A magnetic field formed by the high-frequency lead wound outside the non-metal insulating material column tube is totally closed by the water jacket barrel, the water jacket cover and the water jacket bottom, a detection result shows that the outside of the water jacket barrel is radiation-free, so that a total electromagnetic stove is radiation-free, and the electromagnetic variable-frequency radiation-free heater is high in heating thermal efficiency, and is energy-saving, environment-friendly and safe.

Description

technical field [0001] The invention relates to an electric heating heater, that is, an electromagnetic frequency conversion non-radiation heater. Background technique [0002] In the prior art, the induction cooker uses the principle of electromagnetic induction to heat food. The furnace surface of the induction cooker is a heat-resistant ceramic plate. The alternating current passes through the coil under the ceramic plate to generate a magnetic field. When the magnetic field lines in the magnetic field pass through the bottom of the iron pot or stainless steel pot, eddy currents are generated, which makes the bottom of the pot heat up rapidly, achieving the effect of heating food. Purpose. The whole structure of the electromagnetic heating furnace is separated from the waterway and the circuit, the structure is reasonable, and the safety is high. The electromagnetic heating furnace uses the principle of electromagnetic induction to convert electric energy into heat ener...

AI Technical Summary

Problems solved by technology

High-frequency AC voltage flows through the high-frequency wire wound outside the non-metallic material tube, and the magnetic field lines generated inside the high-speed changing magnetic field cut the metal container inside the non-metallic material tube to generate countless small eddy currents, which heats the water rapidly to achieve rapid heating of water. The effect, the disadvantage is that the high-frequency wires are exposed, and the electromagnetic radiation is large

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