JPH11149976A - Flat heating sheet and flat heating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flat heating sheet and a flat heating device developing high nonslip effect even when arranged on a floor or a tatami mat, and easily movable. SOLUTION: A surface heating sheet has an electric resistant body; heating materials 12 generating heat by passing electricity; and a nonslip material 14 formed on at least one surface of each heating material 12 by sticking or coating. Both surfaces of the heating materials 12 generating heat by current- carrying are directly covered with resin having an insulating property and the nonslip function 14 to suppress slip of the heating material 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet heating sheet and a sheet heating device used for heating, heating and keeping warm by electric heat.

[0002]

2. Description of the Related Art Conventionally, rugs including carpets, carpets, kitchen mats and the like have no particular non-slip properties. The slippery fibers only slightly reduced slippage. Further, a heating rug such as a conventional hot carpet has the same structure, and a heating element is provided inside.

[0003]

In the case of the above-mentioned prior art, a rug having a heating function such as a carpet, a carpet, or a hot carpet installed in a slippery place or a place frequently used has a non-slip function. The rug and the installation place were fixed by attaching a separate tape to the rug. Therefore, in the case of fixing with a tape or the like, it is necessary to change the tape every time the place is moved, and there is a problem that it is difficult to remove the tape attached to the floor or the rug.

The present invention has been made in view of the above-mentioned problems of the prior art, and has an excellent anti-slip effect and is easy to move even when installed on a floor or a tatami mat. And a planar heating device.

[0005]

According to the present invention, there is provided a heating material having an electric resistor and generating heat by energization, and a non-slip material provided on at least one surface of the heating material by bonding or coating. And a sheet-like heat generating sheet having the following.
Further, the heat generating material is a sheet-like heat generating sheet which has an electrical resistor and directly covers the front and back surfaces of a heat generating material which generates heat by energization with a resin having an insulating and non-slip function, thereby suppressing the heat generating material from sliding.

Further, the present invention forms a bag having a carpet-like surface and a back surface covered with a material having a slip-preventing function. Inside the bag, there is provided an electric resistor. This is a planar heating device provided in a state in which a heating material for generating heat can be taken in and out. Further, as another planar heating device, a bag having a carpet-shaped surface and a back surface covered with a material having a non-slip function is formed, and the inner surface of the bag is covered with a material having a non-slip function. Alternatively, a heating element having an electric resistance and generating heat by energization may be provided in and out of the bag. Further, a sheet having a carpet-shaped surface and a heating material having an electric resistor and generating heat by energization are integrally attached to each other, and a non-slip surface is provided on a surface of the heating material opposite to the carpet-shaped sheet. May be integrally provided.

The heating material used in the sheet heating sheet or the sheet heating device is a sheet in which a raw material fiber of Japanese paper and carbon fibers are irregularly joined in a network with many voids.
It is a conductive sheet that is thinly and uniformly arranged in a plane.

[0008] The material having a non-slip function is provided with a non-slip function by applying a foamed acrylic resin to the sheet to form a layered or dot-shaped non-slip material.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a first embodiment of the present invention. The sheet heating sheet 10 according to this embodiment includes a heating material 12 having an electric resistor and generating heat when energized, and a pair of insulating films 16 sandwiching the heating material 12. Foamed acrylic resin 14 each having a non-slip function on the outer surface of
Is formed.

The heat generating material 12 is preferably a porous sheet heat generating sheet in which carbon fibers are uniformly arranged in a sheet on the raw material fibers of Japanese paper. The porous sheet heating sheet is composed of a mixture of linear carbon fiber and irregularly shaped Japanese paper material grooves at a predetermined mixing ratio, and an irregular mesh-like porous material via an adhesive (not shown). Sheet. The thickness of the porous sheet heating sheet is, for example, 30 μm.
Many voids are formed between the carbon fibers and the grooves, and the ratio of the voids when the conductive sheet is projected in a direction perpendicular to the sheet surface is 20 to 80%.

Here, the carbon fiber has a length of, for example, 6 to 30.
mm and a diameter of 5 to 15 μm. Further, the volume blending ratio (vol%) of the carbon fiber varies according to the use of the porous sheet heating sheet.
% For various shielding materials is 13 to 80 vol%.

Other heat generating materials 10 include metal alloy wires (such as nichrome) and metal etching materials (platinum, aluminum,
Other alloys), carbon black coating materials, carbon fiber-based laminating materials, non-porous heating materials composed of various types of short fibers and carbon fibers, and those made of ceramic materials, etc., can form thin planar heating elements. Anything is fine.

The insulating film 16 is a film formed of polyester resin, phenol resin, epoxy resin, FRP (fiber reinforced plastic), or the like. A 14 layer of foamed acrylic resin is formed on one surface of the insulating film 16. ing. This foamed acrylic resin 14
After being directly applied to the insulating film 16 or forming a film-like or foot-like layer, they are attached together using an adhesive or sewn with a thread to be provided integrally.

The sheet-like heat generating sheet 10 can be used as a hot carpet laid under a rug such as an existing carpet, and has a non-slip function on both sides, so that it can be easily moved without the need for a material for fixing the rug. can do.

Next, a second embodiment of the present invention will be described with reference to FIG.
It will be described based on. Here, the same members as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. The sheet-like heat generating sheet 18 of this embodiment is obtained by directly applying an insulating foamed acrylic resin 14 on both surfaces of the heat generating material 12 to form a layer having a non-slip function.

In the case of this embodiment, since the layer of the foamed acrylic resin 14 is formed on the heating material 12, the sheet heating sheet 1
8 is thin and lightweight. From this, when laying under existing carpets and carpets etc., without increasing the thickness,
As a heat retaining effect, the sheet heating sheet 18 can be provided at a position where the carpet is frequently used, and the portion can be heated.

Next, a third embodiment of the present invention will be described with reference to FIG.
It will be described based on. Here, the same members as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. The planar heating device 20 of the present embodiment includes a rug 2 having a carpet-shaped surface 22.
1 and an insulating sheet 23 having a layer of foamed acrylic resin 14 provided on one side thereof are sewn in a bag shape, and a heating sheet 24 having substantially the same size or shape is formed therein.
Is provided. The heat generating sheet 24 is formed by laminating the insulating films 16 on both surfaces of the heat generating material 12. Further, instead of the heating sheet 24, the sheet heating sheet 1 of the first embodiment
0 or the sheet heating sheet 18 of the second embodiment may be used. In these cases, since 14 layers of foamed acrylic resin having a non-slip function are provided on both surfaces, the carpet-shaped surface 22 is provided.
It does not deviate from the rug 21 or the insulating sheet 23 and does not generate wrinkles.

The heating sheet 24 and the sheet heating sheets 10, 1
The selection of 8 changes depending on the place where the planar heating device 20 having them is installed or the purpose of use.

Next, a fourth embodiment of the present invention will be described with reference to FIG.
It will be described based on. Here, the same members as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. The planar heating device 25 of this embodiment has a carpet-like surface on one side and a layer of foamed acrylic resin 14 on the other side.
6 and an insulating sheet 23 provided with a layer of foamed acrylic resin 14 on both sides thereof are sewn in a bag shape, and a heating sheet 24 having a size and a shape substantially equal or smaller is provided therein.

According to this embodiment, since the foamed acrylic resin 14 is provided on the inner surface of the bag, the heating sheet 24 is not shifted or biased, and the sheet heating of the first embodiment is used instead of the heating sheet 24. When the sheet 10 or the sheet-like heat generating sheet 18 of the second embodiment is used, the surface of the sheet and the foamed acrylic resin 14 are in contact with each other, so that displacement and deviation in a place where the frequency of use is particularly high are prevented.

Next, a fifth embodiment of the present invention will be described with reference to FIG.
It will be described based on. Here, the same members as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. The sheet heating device 28 of this embodiment has a carpet-shaped sheet 30 on one side.
, A heating material 12 and a foamed acrylic resin 14 on one side surface
And an insulating film 16 having these layers, which are integrally formed. Even when the sheet heating device 28 is installed on a floor or a tatami mat, the foamed acrylic resin 14 layer prevents slippage and is stable.

Although the above-mentioned sheet heating sheet and sheet heating apparatus can be washed, the washing does not reduce the slip prevention effect. In addition, it is lightweight and easy to carry because it is compact when wrapped in a cylindrical shape when stored.

[0023]

Since the sheet heating sheet and the sheet heating device of the present invention have a resin layer having a slip-preventing function on both sides or one side, a conventional installation place or a slippery place such as a floor or a tatami mat is used. If a carpet having a non-slip function on both sides is laid under an existing carpet, carpet, or the like, the carpet or the like is held at a predetermined position and can be used as a hot carpet.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a sheet heating sheet according to a first embodiment of the present invention.

FIG. 2 is a longitudinal sectional view showing a planar heating sheet according to a second embodiment of the present invention.

FIG. 3 is a longitudinal sectional view showing a planar heating device according to a third embodiment of the present invention.

FIG. 4 is a longitudinal sectional view showing a planar heating device according to a fourth embodiment of the present invention.

FIG. 5 is a longitudinal sectional view showing a planar heating device according to a fifth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Planar heating sheet 12 Heating material 14 Acrylic foam 16 Insulating film

Claims (7)

[Claims] 1. A sheet-like heat generating sheet comprising: a heat generating material having an electric resistor and generating heat by energization; and a non-slip material provided on at least one surface of the heat generating material. 2. A sheet-like heat generating sheet comprising an electric resistor and a front and back surface of a heat generating material for generating heat by energization, which is directly covered with a resin having an insulating property and a non-slip function. 3. A bag consisting of a carpet-shaped front surface and a back surface covered with a non-slip material is formed, and a heating material having an electric resistor and generating heat by energization is provided in and out of the bag. A planar heating device, characterized in that: 4. A bag comprising a front surface on a carpet and a back surface covered with a non-slip material, wherein an inner surface of the bag is covered with a non-slip material, and the inside of the bag has an electric resistance. A planar heating device characterized in that a heating element that generates heat by energization is provided so as to be able to be taken in and out. 5. A sheet having a carpet-shaped surface and a heat-generating material having an electric resistor and generating heat when energized are integrally bonded to each other, and slide on the surface of the heat-generating material opposite to the carpet-shaped sheet. A planar heating device with a stop provided integrally with a material. 6. The heating material has a large amount of voids between each fiber on a projection plane perpendicular to a sheet surface of the heating material, in which a washi raw material fiber and a carbon fiber are mixed irregularly. The Japanese paper raw material fiber and the carbon fiber are bonded in an irregular mesh shape, and the Japanese paper raw material fiber and the carbon fiber are thinly and uniformly arranged in a planar shape. The planar heating device as described. 7. The non-slip material is formed by applying a foamed acrylic resin.
Or the planar heating device according to 5.