KR200366635Y1 - a heating element with clear of magnetic field - Google Patents

Abstract

The present invention relates to a magnetic field-free heating element.

In particular, a plurality of first conductors are wound in a spiral so as not to meet each other on the outer side of the core material, a first insulating layer is stacked on the upper side of the first conductor, and a second conductor is spirally formed on the first insulating layer. It is wound, characterized in that the second insulating layer is stacked on top of the second conductor.

Accordingly, the flow of the first conductor wound on the core material is prevented, and the magnetic field is prevented from leaking to the outside.

Description

Magnetic field heating element {a heating element with clear of magnetic field}

The present invention relates to a magnetic field-free heating element, and more specifically, a plurality of first conductors are wound in a spiral so that a plurality of first conductors do not come into contact with the outer side of the core material, and a first insulating layer is laminated on the first conductors. A second conductor in which at least one coil is wound in a spiral shape is installed on the upper portion of the insulating layer, and a second insulating layer is laminated on the upper portion of the second conductor to prevent the flow of the first conductor wound on the core material. The present invention relates to a magnetic field-free heating element that prevents a magnetic field from leaking to the outside.

In general, the heating wire is extruded a Teflon layer on the outer circumferential surface of the plurality of copper wires twisted in the winding machine, spirally wound the heating element on the outer circumferential surface of the Teflon layer, and the silicone rubber is laminated by extruding the silicone rubber to insulate the heating element. Form.

By the way, the heating wire constructed as described above has a problem that the heating element wound in a spiral shape on the Teflon layer is pushed to one side by the extrusion force of the silicone rubber when the silicone rubber layer is extruded, and thus the defective heating wire is produced. In addition, since the Teflon layer is made of one layer, insulation breakdown occurs between the copper wire and the heating element, and there are various problems such as a fire may occur when the heating wire is used for an electric mat, a heat treatment device, or a steaming machine.

In order to solve such a problem, a magnetic field-free heating wire is disclosed in Korean Utility Model Publication No. 166362, and its configuration is as shown in FIG. 1, so that the twisted sensing wire 10 of multiple strands has a specific dielectric breakdown voltage. The first teflon layer 12 covering the sensing line 10 by extrusion molding with teflon and the outer circumferential surface of the first teflon layer 12 with teflon to increase the dielectric breakdown voltage of the first teflon layer 12. The extruded second Teflon layer 14 and the heating element 16 spirally wound on the second Teflon layer 14 so as to absorb the magnetic field emitted from the copper wire when the power is applied, and to release heat And the asbestos braided layer 18 braided with asbestos on the heating element 16 so as to fix the position of the heating element 16 and to block a part of the heat generated from the heating element 16; Laminated structure of the insulating layer 20 formed on the asbestos braided layer 18 It is broken.

However, in the above-described non-magnetic heating wire, the sensing line 10 is located inside and senses only the temperature from the heating element 16, so that compensation according to the ambient temperature is not possible at all. The heating operation occurs to reduce the reliability of the heating wire, it is composed of two layers of Teflon layer, the process is increased, as well as the diameter of the heating wire is increased, there is a disadvantage that can not be used as one selected.

An object of the present invention for solving the above disadvantages, to improve the production yield, to be sensitive to the ambient temperature to always have a constant heating performance in accordance with the ambient temperature, to enable the production of a heating element in a simple process To prevent the magnetic field from leaking to the outside, to prevent the heating wire from being shorted by the flow of the heating element, and to provide a non-magnetic heating element that can be properly connected according to various uses.

1 is a perspective view showing a conventional non-magnetic heating wire.

2a, b, and c are perspective views illustrating the magnetic field-less heating element according to the present invention, respectively.

Figure 3 is a work flow chart for producing a magnetic-free heating element according to the present invention.

4 is a cross-sectional view illustrating the magnetic field-less heating element of FIG. 2A according to the present invention.

5A and 5B are respectively a perspective view and a cross-sectional view showing a magnetic field-less heating element according to another embodiment of the present invention.

6A and 6B are perspective views illustrating a magnetic field-less heating element, respectively, according to another embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

100.Core material 130 ... Flow prevention layer

200 ... First conductor 210,230 ... Coil

310 ... first insulating layer 330 ... second insulating layer

400 ... Second conductor

In order to achieve the above object, the present invention has a first conductor composed of a plurality of coils wound in parallel spirals on an outer side of a core material, and a first insulating layer is laminated and coated on an upper side of the first conductor. A non-magnetic heating element having a configuration in which a second conductor including at least one coil wound separately on an upper portion of the insulating layer is wound in a spiral shape, and a second insulating layer is laminated and coated on the upper portion of the second conductor.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 2 to 6, the heating element of the present invention includes a first conductor formed of a plurality of coils 210 and 230 that maintain mutual equilibrium on the outer side of the core 100 made of glass fiber or polyester yarn ( 200) is wound spirally.

At this time, the fluid barrier layer 130 coated with silicon is further formed on the outer side of the core material 100.

In addition, the flow preventing layer 130 may be formed by coating of the carbon polymer resin.

Subsequently, any one selected from silicon or pvc resin is extruded on the upper side of the first conductor 200 so that the first insulating layer 310 is integrally laminated and coated to insulate the first conductor.

In addition, the first insulating layer 310 may be formed by coating of a carbon polymer resin.

In addition, a second conductor 400 is wound in a spiral shape on the first insulating layer 310.

The second conductor 400 may be made of aluminum or copper wire, or may be formed of the same material as the first conductor, depending on the intended use thereof.

In addition, the second insulating layer 330 is integrally laminated and coated so that any one selected from pvc resin and silicone resin is extruded on the second conductor 400 to insulate and coat the outer diameter side of the second conductor.

On the other hand, as shown in Figure 6, the first conductor 200 made of a plurality of coils 210, 230 to maintain mutual balance on the outer side of the core material 100 made of glass fiber or polyester yarn is wound in a spiral.

The outer layer of the core 100 is coated with a flow preventing layer 130 is coated with silicon, carbon polymer resin, etc., one coil 230 of the first conductor 200 is enamel coated on the outside of the inner line (230a) Insulating coating layer 230b made of or the like is integrally formed.

Subsequently, any one selected from silicon, pvc resin, and carbon polymer resin is extruded on the upper side of the first conductor 100 so that the first insulating layer 310 is integrally laminated and coated to insulate the first conductor.

In addition, a second conductor 200 made up of a plurality of coils 410 and 430 that maintain mutual balance on the outer side of the first insulating layer 310 is wound in a spiral shape.

The coil 430 has a configuration in which an insulating coating layer 430b made of enamel coating or the like is formed on the outer side of the inner line 430a.

As described above, the first conductor 200 and the second conductor 400 applied to the present invention have both coils as spirals or one coil as spirals, and the other coil is insulated. It can be applied in various ways depending on the purpose of use, such as to have a coating layer.

Referring to the operation of the present invention made of the configuration as described above are as follows.

2 to 6, the plurality of coils 210, 230, which are wound to maintain mutual equilibrium on the outer side of the core material 100 made of glass fiber or polyester yarn, respectively, so that the flow of current is reversed. The directions of the magnetic fields generated in the stranded wires are opposite to each other, and the amount of current flowing through them is the same, so that the magnetic fields cancel each other out.

In addition, the first conductor 100 is not immediately wound on the outer side of the core material 100, but the flow preventing layer 130 coated with silicon is coated so that the first conductor 100 is wound on the upper side thereof. As a result, the coils of the first conductors 100 are prevented from being shorted to each other through the flow preventing layer 130 maintaining a predetermined elasticity.

In addition, an upper surface (not shown) of the same material as the core material is wound up to the opposite side of the core material 100 to which the first conductor 100 is wound to maintain a predetermined strength for bending. .

Subsequently, any one selected from silicon or pvc resin is extruded on the upper side of the first conductor 100 to integrally form the first insulating layer 310, thereby insulating coating the first conductor while preventing flow.

In this case, when the carbon conductor is used as the material of the first insulating layer 310 and the first conductor 200 installed therein is used as the heating wire, the carbon polymer blocks the heat generation above a certain temperature due to the characteristics of the carbon polymer. do.

In addition, the second conductor 400 and the first conductor 100 spirally wound on the first insulating layer 310 may be made of aluminum, a verb, an alloy wire, or a chromium wire. This smoothness is of course easy to heat.

In addition, the second conductor 400 may serve as a shield wire, a heating wire, and a sensing wire according to the purpose of use, and may be used after winding one wire or two wires in a spiral shape, and when winding a plurality of wires, If one is a line having an insulating coating layer 430b, there is no need to worry about shorts due to coil contact.

When the first conductor 200 is used as a heating line and the second conductor 400 is used as a sensing line, the sensing line is positioned at the outer diameter side of the second conductor 400, that is, between the outside air and the heating element, according to an ambient temperature. Easily cope with change.

In addition, when both the first and second conductors 200 and 400 are used as heating lines, a current flow is formed in one direction while the same amount of current is applied to the first conductor 100 formed as the plurality of coils, and the second conductor ( 400) As the same amount of current is applied, current flow in the other direction is formed to cancel the magnetic field.

At this time, the flow preventing layer 130 and the first insulating layer 310 on the outer side of the core material 100 on which the first conductor 200 is wound are made of carbon polymers, thereby preventing the heating wire from being raised above a certain temperature.

In addition, the second insulating layer 330 is formed on the upper portion of the second conductor 400 to extrude one of the pvc resin and the silicone resin to prevent disconnection or shorting due to exposure of the coating, as well as the heating wire. Maintains a predetermined strength.

On the other hand, as shown in Figure 6, one of the coils 210, 230, which are wound in parallel to the outer side of the core material 100, the insulating coating layer consisting of an enamel coating or the like on the outer side of the extension (230a) ( 230b) is integrally formed to be insulated from each other, so that a separate flow preventing layer 130 may not be provided, thereby bringing a certain insulation effect.

Subsequently, the second conductor 200 wound after the first insulating layer 310 is interposed on the upper side of the first conductor 100 also has one of the plurality of coils 410 and 430 that maintain equilibrium with each other. Insulating coating layer 430b made of an enamel coating or the like is integrally formed on the outside of the inner wire 430a so that the coil 430 is insulated from each other.

As described above, the first and second conductors 100 and 200 made of a plurality of coils are connected to each other to be used as heating elements, or only one of the first and second conductors 100 and 200 is shielded wires as the heating elements. As it can be used as a sensing line, there is a wide range of choices, and no separate coating for insulation is required.

In addition, when the second conductor 400 serving as the smoke wire, the shield wire, and the detection line is used as the detection line, the second conductor 200 is sensitive to the ambient temperature by being located outside the heating wire. When the ambient temperature is lowered, the calorific value is reduced to maintain a certain amount of calorific value according to the ambient temperature.

In addition, the second conductor 100 and 200 may be used as a sensing line and a shield line by being properly connected or separated from the first conductor 100 according to a use state, and thus may be used for various purposes.

In addition, when a plurality of coils are used as the first conductor 200 and the second conductor 400, each of the coils used in the coil is connected to one end of the heating element when the heating element is installed on the mat. There is no need to connect both ends with each other, so that the arrangement of the heating elements is easily performed.

As described above, according to the heating element of the present invention, the manufacturing yield is improved by a simple configuration, and it is sensitive to the ambient temperature so that it has a constant heat generation performance in accordance with the ambient temperature at all times. It does not leak to the outside, it is effective to prevent the heating wire is shorted by the flow of the heating element.

Although the present invention has been shown and described with respect to specific embodiments, it is understood that the present invention may be variously modified and changed without departing from the spirit or the field of the present invention provided by the following Utility Model Registration Claims. It will be clear to those skilled in the art that it is very easy to know.

Claims (7)

The first conductor 200, which is formed as a plurality of coils 210 and 230 having one end connected to an outer side of the core 100, and is supplied to each other so that the same amount of current has a flow in the opposite direction, is wound in a spiral shape. A second conductor 400 composed of at least one coil wound around the first insulating layer 310 after the first insulating layer 310 is coated on the upper side of the conductor is installed in a spiral shape, and the second conductor 400 is insulated from each other. The magnetic field-free heating element having a structure in which the second insulating layer 330 is laminated to cover the same. The method of claim 1, wherein the core material 100 is selected from glass fiber or polyester yarn, and the first and second conductors are made of any one selected from aluminum, copper wire, alloy wire, and chromium wire. Magnetic field heating element. The magnetic field heating element of claim 1 or 2, wherein the core material (100) further includes a fluid barrier layer (130) coated with a material selected from silicon or polymer carbon on the outside thereof. The magnetic field free heating element of claim 1, wherein the second conductor (400) comprises a plurality of coils (410) (430) to which one end is connected. The magnetic field of claim 1 or 4, wherein the first conductors 200 and the second conductors 400 are installed such that a plurality of coils are respectively supplied such that the same amount of current has an opposite flow. Heating element. The method of claim 5, wherein the first and second conductors are formed as one coil 210, 410 and the other coil 230, 430, the coil 230, 430, the extension ( The magnetic field-free heating element, characterized in that the insulating coating layer (230b) (430b) is integrally coated on the outside of the (230a) (430a). The magnetic field free heating element according to claim 1, wherein the first insulating layer (310) is coated on the outside of the first conductor as a material selected from silicon or polymer carbon.