CN107708242B

CN107708242B - Electromagnetic eddy current heating equipment

Info

Publication number: CN107708242B
Application number: CN201710970040.2A
Authority: CN
Inventors: 姜孟泽
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-18
Filing date: 2017-10-18
Publication date: 2020-06-09
Anticipated expiration: 2037-10-18
Also published as: CN107708242A

Abstract

The invention relates to an electromagnetic eddy current heating device. It includes: box, a plurality of skeleton, the pipe and the wire of being made by ferromagnetic material, the skeleton rigid coupling is arranged in proper order in the box and by going up in proper order, and the symmetry rigid coupling has two pipes on every skeleton, the wire is continuous S-shaped and passes in proper order and be continuous S-shaped again and pass in proper order and all be located left each pipe after each pipe on right side all is located, the skeleton is made by but conducting material, the outer parcel of wire has the insulating layer, form electric capacity between wire and the pipe. The area of the heating element is more than 60 times larger than that of the traditional heating element, and the heat transfer efficiency is high.

Description

Electromagnetic eddy current heating equipment

Technical Field

The invention relates to an electromagnetic eddy current heating device.

Background

The existing electromagnetic eddy current heating mode is mainly that alternating magnetic field of a plane and a spiral tube type concentrated coil can generate eddy current heating to magnetic metal and then utilize energy through a heat conduction method. Because the more the number of the coils, the denser the wound coils, the longer the wires and the larger the inductance, the length is limited, so that the problems of poor heat-generating concentrated heat-conducting effect and short heating coil length and incapability of large-area heat dissipation exist.

Disclosure of Invention

The invention aims to solve the problems and provides electromagnetic eddy current heating equipment which has small inductive reactance, the area of a heating element is more than 60 times larger than that of a heating element heated by a traditional resistance wire and carbon fiber, the heat transfer efficiency is high, and the adopted technical scheme is as follows:

the utility model provides an electromagnetic eddy current heating equipment, its characterized in that includes box, a plurality of skeleton, pipe and the wire made by ferromagnetic material, the skeleton rigid coupling is arranged in the box and by arranging in proper order from bottom to top, and the symmetry rigid coupling has two pipes on every skeleton, the wire is continuous S-shaped and is continuous S-shaped again and pass in proper order behind each pipe that all is located the right side and all is located each left pipe again, the skeleton is made by but conducting material, the outer parcel of wire has the insulating layer, form electric capacity between wire and the pipe.

On the basis of the technical scheme, the box body is made of conductive materials, and the framework is grounded.

On the basis of the technical scheme, the conducting wire sequentially penetrates through the guide pipes on the right side from bottom to top in a continuous S shape and then sequentially penetrates through the guide pipes on the left side from top to bottom in a continuous S shape.

On the basis of the technical scheme, the guide pipes are parallel to each other.

On the basis of the technical scheme, an air draft device is arranged in the box body.

The invention has the beneficial effects that:

1. the inductive resistance is small, and the area of the heating element is more than 60 times larger than that of the heating element which is heated by the traditional resistance wire and carbon fiber.

2. The heat transfer efficiency is high.

Drawings

FIG. 1: the invention has a structure schematic diagram;

FIG. 2: a right side view of the catheter in FIG. 1;

Detailed Description

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in fig. 1 and 2, the electromagnetic eddy current heating device is characterized by comprising a box body 1, a plurality of frameworks 2, guide pipes 3 made of ferromagnetic materials and a lead 4, wherein the frameworks 2 are fixedly connected in the box body 1 and are sequentially arranged from bottom to top, two guide pipes 3 are symmetrically and fixedly connected to each framework, the lead 4 sequentially penetrates through the guide pipes 3 on the right side and then sequentially penetrates through the guide pipes 3 on the left side in a continuous S shape, the frameworks 2 are made of conductive materials, an insulating layer wraps the outer layer of each lead 4, and a capacitor is formed between each lead 4 and each guide pipe 3. In the wiring mode, the magnetic flux generated by the left side lead wire 4 and the magnetic flux generated by the right side lead wire 4 are mutually counteracted, and the leakage inductance which is almost zero at the moment prevents the coil from storing magnetic energy, so that the inductance of the wiring mode can be reduced by half compared with the traditional mode. The heat conductivity of the framework is higher under the action of a magnetic field through experiments, and the higher the magnetic field intensity is, the higher the heat conductivity is. It can be seen that the preliminary analysis of the influence of the magnetic field of Zhangbo Zhujiang peak on the thermal conductivity of ferrous metals [ J ] university physical experiment, 2013.02.

Preferably, the box body 1 is made of a conductive material, the frameworks 2 are grounded, the box body 1 is used for short-circuiting the frameworks 2 to enable the potentials of the frameworks to be the same, alternating current is introduced into the lead 4 to generate an alternating magnetic field, the alternating magnetic field enables the frameworks 2 to generate eddy current, the eddy current flows in the frameworks 2 to release a large amount of joule heat, and the frameworks 2 are preferably set to be of a structure with fins 20 to increase the heat dissipation area.

Preferably, the inductive reactance of the inductance of the conductor 4 and the capacitive reactance of the capacitance formed between the conductor 4 and the catheter 3 are such that they cancel each other out, i.e. that a resonance condition is satisfied. To facilitate good heating.

Preferably, the conducting wire 4 sequentially penetrates through the conduits 3 on the right side from bottom to top in a continuous S shape and then sequentially penetrates through the conduits 3 on the left side from top to bottom in a continuous S shape.

Preferably, the conduits are parallel to each other.

Preferably, an air draft device is arranged in the box body 1, so that heat generated on the framework can be conveniently dissipated.

The present invention has been described above by way of example, but the present invention is not limited to the above-described specific embodiments, and any modification or variation made based on the present invention is within the scope of the present invention as claimed.

Claims

1. An electromagnetic eddy current heating device is characterized by comprising a box body (1), a plurality of frameworks (2), a guide pipe (3) made of ferromagnetic materials and a lead (4); skeleton (2) rigid coupling is arranged in box (1) and by going up in proper order, and the symmetry rigid coupling has two pipes (3) on every skeleton, wire (4) are continuous S-shaped and pass in proper order and all be located behind each pipe (3) on right side again and be continuous S-shaped and pass in proper order all be located left each pipe (3), skeleton (2) are made by conductive material, wire (4) outer parcel has the insulating layer, form electric capacity between wire (4) and pipe (3), the inductive reactance of the inductance of wire (4) and the capacitive reactance of the electric capacity that forms between wire (4) and pipe (3) offset each other.

2. An electromagnetic eddy current heating apparatus according to claim 1, characterized in that: the box body (1) is made of conductive materials, and the framework (2) is grounded.

3. An electromagnetic eddy current heating apparatus according to claim 1 or 2, characterized in that: the conducting wire (4) is in a continuous S shape and sequentially penetrates through the guide pipes (3) on the right side from bottom to top, and then sequentially penetrates through the guide pipes (3) on the left side from top to bottom.

4. An electromagnetic eddy current heating apparatus according to claim 1, characterized in that: the conduits are parallel to each other.

5. An electromagnetic eddy current heating apparatus according to claim 1, characterized in that: an air draft device is arranged in the box body (1).