Electrical heating assembly for electromagnetic induction heating

An electromagnetic induction heating and electric heating technology, applied in the direction of induction heating, induction heating device, coil device, etc., can solve the problems of declining heating effect, failure to achieve heating effect, limit the application range of electromagnetic induction heating device, etc., and achieve short heating time , Fast heating speed and low power consumption

Active Publication Date: 2020-02-07
江阴市惠尔信精密装备股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing electromagnetic induction heating devices generally have the following problems: the alternating magnetic field generated in the electromagnetic induction coil can usually only heat ferromagnetic objects that are relatively close to the electromagnetic induction coil, when the electromagnetic induction coil and the object to be heated When there is a certain distance, due to the sharp attenuation of the magnetic field, the heating effect will drop significantly, and even the expected heating effect will not be achieved, thus limiting the application range of the electromagnetic induction heating device

Method used

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  • Electrical heating assembly for electromagnetic induction heating
  • Electrical heating assembly for electromagnetic induction heating
  • Electrical heating assembly for electromagnetic induction heating

Examples

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Effect test

Embodiment 1

[0056] Such as Figures 1 to 5 Shown is an embodiment of an electric heating assembly for electromagnetic induction heating according to the present invention, which includes a wire 1 coiled from the center to the outside in the same coiling direction, and the wire 1 is coiled between adjacent wire segments The spacing is provided, the periphery of the wire 1 is provided with an insulator 2, and the periphery of the insulator 2 is surrounded by a magnetic conductor, and on the magnetic conductor along the coiled path of the wire 1, a device for controlling the orientation of the magnetic circuit is provided. An opening, the opening of the magnetizer faces the heating part of the object to be heated.

[0057] In the above technical solution, the wire 1 is coiled in the same coiling direction to form a heating coil for magnetic induction. At the same time, a magnetizer with an opening to control the orientation of the magnetic circuit is arranged on the periphery of the coiled w...

Embodiment 2

[0075] Such as Figures 1 to 5 As shown, as an application of an electric heating assembly for electromagnetic induction heating in Embodiment 1, the electric heating assembly 10 is used for heating ferromagnetic metal molds.

[0076] Preferably, the mold is a sand shot mold 5 for casting.

[0077] In this embodiment, the sand shooting mold 5 includes an iron mold 6 for forming the cavity surface of the casting sand, and an iron sand box 7 matched with the iron mold 6, and the sand box 7 is provided with a sand shooting hole 8 , The iron mold 6 is provided with a cavity 9, and the electric heating assembly 10 for electromagnetic induction heating is installed in the cavity 9.

[0078] Wherein, the electric heating component 10 is installed and fixed on the wall of the cavity 9 provided on the iron mold 6 through the high temperature resistant glue 11;

[0079] As a preferred solution for the sand shot mold, the iron mold 6 is a lower iron mold, and the sand box 7 is an upper...

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Abstract

The invention relates to the technical field of electrical heating, and discloses an electrical heating assembly for electromagnetic induction heating. The electrical heating assembly comprises a wire, wherein the wire is arranged in a winding way from a central part to outside according to the same winding direction, a distance is kept between adjacent wire segments after winding of the coil, aninsulator is arranged at the periphery of the wire, a magnetic conductor encircles the periphery of the insulation body, an opening is formed in the magnetic conductor along a winding path of the wireand is used for controlling a magnetic path direction, and the opening of the magnetic conductor faces a heating part of a to-be-heated object. By the electrical heating assembly, the heating capability of the electromagnetic induction heating device is improved, and the application range of the electromagnetic induction heating device is further expanded.

Description

technical field [0001] The invention relates to the technical field of electric heating, in particular to an electric heating component for electromagnetic induction heating. Background technique [0002] Traditional electric heating devices usually have two structures: one is to use electric heating tubes, which use the electric heating wire inside to generate heat to heat the object to be heated; the other is to use the principle of electromagnetic induction, using induction The coil heats the ferromagnetic object. By loading an alternating current of a certain frequency in the induction coil, the coil generates an alternating magnetic field. The alternating magnetic field acts on the ferromagnetic object to be heated, which will cause the interior of the ferromagnetic object to And a larger eddy current is generated, which makes the ferromagnetic object generate heat and plays a heating role. [0003] Typical electromagnetic induction heating devices include induction co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B6/36H05B6/10
CPCH05B6/36H05B6/10
Inventor 徐惠民刘义
Owner 江阴市惠尔信精密装备股份有限公司
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