KR200427327Y1 - Electric heating flexible mat - Google Patents

Abstract

The present invention provides a heat transfer mat having a flexible flexibility that can be stored and stored smoothly bent when used or moved by drilling a plurality of holes on the insulating sheet, and has excellent ventilation. In addition, the metal foil electrode and the carbon fiber heating wire electrically connected to an external power source are electrically connected to each other, and the heat-transfer sheets are bonded to each other through the through holes drilled in the metal foil electrodes during the compression coating. It provides a heat transfer mat having flexibility to prevent and fix the flow, thereby improving the durability. In addition, by providing an electrical contact force between the metal foil electrode and the carbon fiber heating wire provides a heat transfer mat having excellent flexibility in electrical properties.

To this end, the present invention is the insulation sheet and the carbon fiber heating wire in which the carbon fiber heating wire is disposed at regular intervals and the hole is perforated at regular intervals between the carbon fiber heating wire so as to have flexibility when folding or bending. Each end portion is located inside of it, and electrically connected to an external power source, wherein the insulating sheet is provided with metal foil electrodes having perforated holes at regular intervals so as to prevent flow due to mutual adhesion of the insulating sheets.

 Carbon fiber heating wire, insulation sheet, ventilation, flexibility, cushioning effect

Description

Flexible Heat Transfer Mat {ELECTRIC HEATING FLEXIBLE MAT}

1 is a perspective view of a heat transfer mat having flexibility according to the present invention,

2 is a cross-sectional view of the metal foil electrode of the flexible heat transfer mat according to the present invention,

Figure 3 is a detailed view of the carbon fiber heating wire end of the flexible heat transfer mat according to the present invention.

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

10: insulation sheet

11: hole

20: carbon fiber heating wire

21: reinforcement sheet

30, 40: metal foil electrode

31, 41: through hole

50: power line

60: metal flakes

61: connector

The present invention relates to a heat-transfer mat having flexibility, and more particularly, to bend smoothly by drilling a plurality of holes on an insulating sheet, to have a cushioning effect, to provide excellent ventilation, and to provide excellent electrical contact. It relates to a heat transfer mat having.

Recently, heat transfer mats using carbon fiber heating wires, which are heating elements, have been widely used, which has the advantage of lowering the risk of fire due to heat wire breakage, electric leakage, and overheating, compared to conventional heat transfer mats using electric resistance such as nichrome wire or hot wire.

However, conventional heat mats are manufactured by arranging carbon fiber heating wires, which are heating elements, at regular intervals in an insulating sheet, which is a synthetic resin, and then compressing them. There were many difficulties.

In addition, carbon fiber heating wires are arranged on the power cable at regular intervals, and the insulation tape is attached thereon.The outer diameter of the carbon fiber heating wire is thin so that the contact force is weak, and when the insulation tape rises due to moisture, There was a risk of safety accident due to insulation breakdown.

The present invention has been made to solve the above problems, the purpose is to puncture a plurality of holes on the insulating sheet can be stored and bent smoothly when used and moved, cushioning effect, excellent heat transfer mat having excellent flexibility To provide.

Another object of the present invention is to electrically connect the metal foil electrode and the carbon fiber heating wire electrically connected to an external power source, and when the coating is pressed, the insulating sheets are bonded to each other through the through holes drilled in the metal foil electrode. It is to provide a heat transfer mat having flexibility to prevent the flow of the metal foil electrode, thereby improving the durability.

Another object of the present invention is to provide a heat transfer mat having excellent flexibility in electrical properties by increasing the electrical contact force between the metal foil electrode and the carbon fiber heating wire.

In order to achieve the above technical problem, the present invention provides an insulation sheet in which holes are drilled at regular intervals between carbon fiber heating wires so that carbon fiber heating wires are arranged at regular intervals and have flexibility when folded or bent. And, each end of the carbon fiber heating wire is electrically connected to an external power source, and the metal foil electrode is provided with perforated holes at regular intervals so as to prevent flow due to the insulation sheets adhering to each other during the compression coating. It is done.

In addition, the metal foil is further wound on the end of the carbon fiber heating wire to increase the electrical contact between the carbon fiber heating wire and the metal foil electrode.

In addition, in order to increase the electrical contact between the carbon fiber heating wire and the metal foil electrode and to prevent falling out, the metal foil is wound around the carbon fiber heating wire end and characterized in that the end is pressed.

In addition, the connector is installed at the end of the carbon fiber heating wire to increase the electrical contact between the carbon fiber heating wire and the metal foil electrode and to prevent the missing.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the flexible heat transfer mat according to the present invention.

1 is a perspective view of a flexible heating mat according to the present invention, Figure 2 is a cross-sectional view of the flexible heating mat according to the present invention, Figure 3 is a carbon fiber heating wire end of the flexible heating mat according to the present invention This is a detail view.

First, as shown in FIGS. 1 and 2, the heat transfer mat having flexibility according to the present invention includes an insulating sheet 10 (of synthetic resin material) and carbon fiber heating wires disposed at regular intervals inside the insulating sheet 10 ( 20) and metal foil electrodes 30 and 40 for electrically connecting the external power source and applying power by placing each end of the carbon fiber heating wire 20 therein.

In the above technical configuration, the insulating sheet 10 is perforated with a plurality of holes 11 at regular intervals between the carbon fiber heating wire 20 to be folded or bent when used or stored. Accordingly, the insulating sheet 10 is flexible and can prevent the carbon fiber heating wire 20 from being easily bent when folded or bent. The insulating sheet 10 is composed of two sheets, and the carbon fiber heating wire 20 and the metal foil electrodes 30 and 40 are disposed therebetween, and are pressed and pressed.

In addition, the metal foil electrodes 30 and 40 have a plurality of through holes 31 and 41 perforated at predetermined intervals, and are positioned in the insulating sheet 10. When the insulating sheet 10 is press-coated, the insulating sheet 10 ) Can prevent the metal foil electrodes 30 and 40 from flowing or lifting by adhering to each other through the through holes 31 and 41, and the carbon fiber heating wire 20 is inserted into the metal foil electrodes 30 and 40. In the state it is firmly fixed in the insulating sheet (10).

Of course, the metal foil electrodes 30 and 40 are preferably provided with a metallic tape having a plurality of through holes 31 and 41 perforated to be easily installed in the insulating sheet 10 and having adhesion to one side thereof. It is preferable that the carbon fiber heating wire 20 is placed in two pieces so as to be bonded and fixed after the end thereof.

According to the above technical configuration, the carbon fiber heating wires 20 are arranged at regular intervals in the insulating sheet 10, and the metal foil electrodes 30 and 40 electrically connected to an external power source are disposed at both ends of the carbon fiber heating wires 20. By being electrically connected, respectively, it becomes possible to apply power to the carbon fiber heating wire 20. As a result, when the power is applied, external power is applied to the carbon fiber heating wire 20 through the metal foil electrodes 30 and 40 electrically connected to the power wire 50, and the carbon fiber heating wire 20 generates heat.

In addition, since a plurality of holes 11 are drilled on the insulating sheet 10 at regular intervals, heat and ventilation of the bottom surface of the insulating sheet 10 are transferred to the upper side through the holes, thereby improving heating and ventilation properties. When the outer shell is overlaid on the outer shell through the hole 11 to have a buffer effect.

On the other hand, the flexible heating mat according to the present invention is to increase the electrical contact between the metal foil electrodes 30, 40 and the carbon fiber heating wire 20 electrically connected to an external power source, a to c of FIG. As shown, it has a separate connection structure.

In general, the carbon fiber heating wire 20 is made by twisting a plurality of strands of carbon fiber, each pressurized or fold when each carbon fiber is not only the conductivity is degraded, but overcurrent per single area flows heat damage occurs.

In addition, the carbon fiber heating wire 20 is thin and soft, so that when the metal foil electrodes 30 and 40 (not shown below, see FIGS. 1 and 2) are lifted up, the carbon fiber heating wire 20 is easily removed or the electrical contact force is reduced.

In order to solve this problem, the metal foil 60 is wound around the ends of the carbon fiber heating wire 20 so as to prevent the carbon fiber heating wire 20 from splitting and have a predetermined thickness as shown in FIG. 3A.

As a result, the carbon fiber heating wire 20 may be prevented from being cracked during pressurization, and electrical contact between the metal foil electrodes 30 and 40 and the carbon fiber heating wire 20 may be improved.

In addition, as shown in FIG. 3B, the metal foil 60 is wound around the carbon fiber heating wire 20 and bent at the end thereof to be pressed, thereby compressing the electrical wire between the carbon fiber heating wire 20 and the metal foil electrode 30 or 40. The contactability is increased, and the carbon fiber heating wire 20 can be prevented from being pulled out even when the metal foil electrodes 30 or 40 are temporarily lifted.

In addition, as shown in FIG. 3C, by crimping the connector 61 at the end of the carbon fiber heating wire 20, the end of the carbon fiber heating wire 20 is prevented from being split and the end of the carbon fiber heating wire 20 is enlarged. By increasing the electrical contact, it is possible to prevent the carbon fiber heating wire 20 from falling out even if the metal foil electrode 30 or 40 is temporarily lifted.

The carbon fiber heating wire 20 is coated with the reinforcing sheet 21 of the synthetic resin material except for the ends for electrically connecting the metal foil electrodes 30 and 40 (see FIG. 3A). Accordingly, when pressurized, the carbon fiber heating wire 20 can be prevented from being cracked or damaged from an external impact.

As described in detail above, according to the present invention, by drilling a plurality of holes on the insulating sheet, it can be rolled up smoothly when used or stored, and in use, heat from the bottom of the heat transfer mat is transferred upwards through the holes, and is heated and breathable. This is excellent, and has an effect that the buffer effect is excellent by mutually in contact with the shell through the hole.

In addition, according to the present invention, the metal foil electrode and the carbon fiber heating wire electrically connected to an external power source are electrically connected to each other. It not only prevents the flow of the metal foil electrode, but also firmly secures the effect of improving durability.

In addition, according to the present invention, in order to increase the electrical contact between the metal foil electrode and the carbon fiber heating wire electrically connected to an external power source, the metal foil is wound around the end of the carbon fiber heating wire, or the metal foil is wound and then bent or pressed to It is possible to prevent the splitting of the end of the carbon fiber heating wire during pressurization by inserting the sealer, and to increase the electrical contact due to the expansion of the outer diameter, and the very practical effect that the carbon fiber heating wire does not easily come off even if the metal foil electrode is temporarily lifted. There is.

In addition, according to the present invention, by further coating the reinforcing sheet of the synthetic resin material on the carbon fiber heating wire except for the end for electrically connecting with the metal foil electrode, it is easy to arrange on the insulating sheet, increases the insulation degree, and prevents cracking when pressed. It has a very good effect.

Claims (5)

An insulating sheet having holes drilled at regular intervals between the carbon fiber heating wires so that the carbon fiber heating wires are arranged at regular intervals and have flexibility when folded or bent; Each of the ends of the carbon fiber heating wire is electrically connected to an external power source, but the metal foil electrode is provided with perforated holes at regular intervals so as to prevent flow due to the insulation sheets sticking to each other during the compression coating. Heat transfer mat having flexibility. The method of claim 1, Flexible heating mat, characterized in that the metal foil is further wound on the end of the carbon fiber heating wire to increase the electrical contact between the carbon fiber heating wire and the metal foil electrode. The method of claim 1, A flexible heat transfer mat, characterized in that the metal foil is wound around the end of the carbon fiber heating wire and the end of the carbon fiber heating wire is wound and crimped to increase the electrical contact between the metal foil electrode and the metal foil electrode. The method of claim 1, A flexible heating mat, characterized in that the connector is crimped and installed at the end of the carbon fiber heating wire to increase the electrical contact between the carbon fiber heating wire and the metal foil electrode and to prevent the omission. The method of claim 1, The carbon fiber heating wire is characterized in that the reinforcing sheet of the synthetic resin material is further coated on the remaining portion except for the end for electrically connecting with the metal foil electrode to facilitate the arrangement, increase the insulation and prevent cracking when pressed. Flexible heat transfer mat.

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