JP2003293565A - Heating tatami mat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To arrange an environment in which more persons can utilize tatami mat heating lightheartedly, so as to enrich lives of the persons, by providing an inexpensive heating tatami mat which facilitates the execution of work, reduces maintenance costs for a failure, etc., is excellent in moisture proofness, prevents excessive heating of a part on which a heavy object is placed, and has a high level of beauty. <P>SOLUTION: The tatami facing is formed in a tatami mat, in which a surface of tatami mat padding is covered with the tatami facing, in such a manner as to be woven from a linear heat resisting member in a pattern of meshes of the tatami mat; and a heating means is laid between the tatami facing and the tatami mat padding. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor heating system which is installed, for example, in a house and warms a room from the feet, and more particularly to a heating tatami room for heating a tatami mat laid in a Japanese-style room or the like.

[0002]

2. Description of the Related Art Conventionally, as a floor heating system, a gas hot water type and an electric type using a nichrome wire have been provided.

The gas hot water type is constructed such that piping work is performed under a floor or tatami mat, a boiler is installed, and a room is warmed by hot water.

Further, the electric type is constructed such that a nichrome wire is stretched around a floor or a tatami mat and the room is warmed by electrically heating the nichrome wire.

[0005]

However, the above-mentioned gas hot water type has the problems that the piping work is expensive and time consuming, and there is a noise and the room becomes dry. Furthermore, there was a problem that the piping equipment and the boiler were damaged.

The electric type using the nichrome wire is
There was a problem that the Nichrome wire was broken and failed, and the part where heavy objects such as a piano were placed was heated.

Furthermore, when both the gas hot water type and the electric type are installed in a tatami-matted Japanese-style room, the discoloration speed of the tatami mat is greatly increased due to heat, the life of the tatami mat is shortened, and the thickness of the tatami mat creates heat. Dispersion resulted in very poor thermal efficiency.

The present invention provides a heating tatami which is easy to install, suppresses maintenance costs such as breakdowns, has excellent moisture resistance, does not heat a portion on which a heavy object is placed unnecessarily, and is aesthetically pleasing and inexpensive. , The aim is to create an environment where more people can easily use tatami heating and to enrich people's lives.

[0009]

SUMMARY OF THE INVENTION The present invention is a tatami mat in which the surface of a tatami mat is covered with a tatami mat, and the tatami mat is formed by knitting the tatami mat with a linear heat-resistant member, and the tatami mat and the tatami mat are provided between It is characterized by being a heating tatami mat provided with a heating means.

[0012] The tatami floor includes a material that can be used as a tatami floor, such as a styrofoam floor made of styrofoam, a straw bed made of straw, and an anti-mite floor made of bamboo charcoal. For the tatami floor, it is desirable to use a member having excellent heat retaining property such as a styrofoam floor.

The heat-resistant member includes a member that does not change color and / or deteriorate due to overheating, such as a paper material that uses wood fibers, an imitation rush formed of a thermoplastic resin, or the like. In addition, the shape of the heat-resistant member is a solid rod-like shape,
Alternatively, it includes forming into a pipe shape having few voids and eliminating or miniaturizing the heat insulating layer by air.

The heating means is a surface heating device using a carbon-based heating element, a fiber heating device using a filament heating element, a nichrome wire heating device using nichrome wire, or a gas-using gas. Including a hot water heating device. With the above configuration, the tatami mat does not discolor even after heating for a long time, and it is possible to maintain a beautiful appearance and provide a comfortable living space.

In a preferred embodiment, the heat-resistant member can be formed into a linear body from Japanese paper. By forming a linear body using paper in this way, the aesthetics and texture can be made as close as possible to natural rush, and Japanese paper can be used to move people and store things, etc. The required strength can be obtained.

In a preferred embodiment, the heat generating means can be formed of a flat heat generating sheet. The heating sheet includes a surface heating element (carbon-based planar heating element or the like) formed of a conductive resin composition such as carbon.

With the above construction, when the temperature rises, the polymeric thermoplastic resin expands, and it becomes difficult for current to flow, so that it is possible to utilize the PTC characteristic that keeps the heat generation temperature constant, and it is possible to suppress power consumption and prevent fires due to fog heat. Can be prevented. Further, far infrared rays can be emitted to warm the human body from the core. Further, by forming the sheet shape, it is possible to avoid the generation of a gap around the heat generating sheet, it is possible to eliminate the air layer to improve the thermal efficiency, and it is possible to avoid troubles such as disconnection.

Further, as a preferred embodiment, a connecting means for supplying heat generating energy to the heat generating means can be provided on the back surface of the tatami floor. The exothermic energy may be electricity or hot water. The connecting means for connection can be formed by a connector for connecting wiring or a pipe joint for connecting pipes.

With the above structure, the connecting direction is not limited as in the case where the connecting connecting means is provided on the side surface, and it becomes possible to install the heating tatami mat in any direction, which shortens the installation time and facilitates installation. It can be facilitated.

Further, as a preferred embodiment, the bottom area is formed smaller than the surface area, and when a plurality of heating tatami mats are juxtaposed, the wiring passage can be secured by the difference in the area. The shape in which the bottom area is smaller than the surface area is
It also includes a shape in which the side surface is inclined outwardly upward, or a shape in which a step is provided so that the lower portion of the side surface is inward. The portion having this shape may be the entire side surface of the heating tatami mat or one or more side surfaces of the heating tatami mat.

With the above shape, the connection cable and the power supply cable can be arranged outside the heating tatami mat, and the heating tatami mat can be arranged in any direction while preventing the heating tatami mat from floating.

[0020]

According to the present invention, it is possible to provide a heating tatami mat that is aesthetically pleasing and highly durable at a low price, and reduce the introduction cost and maintenance cost that are the reasons for giving up the introduction of tatami heating,
It is possible to shorten the construction period and easily install a heating tatami mat.

As a result, heating tatami mats can be popularized in ordinary households, and a comfortable living space can be provided to satisfy people who have been inadequate with a stove or an oil fan heater, such as people who are cold.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing the external appearance of the heating tatami mat 1, showing a state in which it is laid in a room.

The heating tatami mat 1 is formed in a substantially rectangular shape and its side surface is formed so as to rise outward. As a result, when a plurality of heating tatami mats 1 are juxtaposed with each other, a wiring groove 2 is formed below the adjacent portion, and a connection cable 3 for connecting the heating tatami mats 1 is laid there, as shown by the phantom line in the figure. Can be made. The wiring groove 2 is naturally formed below the contact portion where the wall and the heating tatami mat 1 contact each other.

The connection cable 3 is laid in the wiring groove 2 and
When the heating tatami mats 1 are laid, for example, if there are 6 tatami mats, the wiring as shown in the rear view of FIG. 2 can be provided, and power can be supplied from the power source 70 to each heating tatami mat 1 through the connection cable 3.

With the wiring groove 2 described above, the portion where the connection cable 3 extending from the wiring hole 61 is sandwiched by the bottom of the heating tatami 1 is minimized.
You can prevent it from rising. A connector for a contact cable 40 (described later) is provided inside the wiring hole 61, and the connection cable 3 is connected to the connector. Further, a groove may be formed from the wiring hole 61 provided on the back surface of the heating tatami 1 toward the side surface of the heating tatami 1 to more strictly prevent the heating tatami 1 from being lifted by the connection cable 3.

Next, the internal structure of the heating tatami mat 1 will be described. As shown in the enlarged perspective view (partial cross-sectional view) of FIG. 3, the tatami mat 10, the cushion material 15, the odorless plywood 20, and the planar shape are arranged in this order from the top. The heater 30, the board 50, and the tatami floor 60 are laminated and configured.

The tatami mat 10 is formed by weaving the imitation igusa 11 into a tatami mat as will be described later, and is provided with a tatami edge 13 at the edge thereof. The cushion material 15 is a cushion for obtaining a proper tatami mat, and is formed of a cushion member having an appropriate hardness and flexibility.

The odorless plywood 20 is formed of a plywood board. The odorless plywood 20 may be an odorless plywood with a low content of formaldehyde, or may be a normal plywood.

The planar heater 30 supplies the electric power flowing from the contact cable 40 to the surface heating element 31 from the electrode 32 to cause the surface heating element 31 to generate heat, as will be described later. The board 50 is formed by solidifying wood fibers.

The tatami floor 60 is formed of styrofoam made of expanded polystyrene, and the heat of the planar heater 30 is not released downward so as to improve thermal efficiency. With the above configuration, the heat of the planar heater 30 can be efficiently radiated upward without being released to the lower side by the tatami floor 60, and heating can be sufficiently performed at a relatively low temperature.

The tatami mat 10, cushion material 15,
It is desirable that the odorless plywood 20, the planar heater 30, the board 50, and the tatami floor 60 be closely adhered to each other without leaving a gap to eliminate the heat insulating layer by air as much as possible.

Next, details of the elements constituting the heating tatami mat 1 will be described. First, the details of the tatami mat 10 will be described with reference to the tatami mat explanatory diagram shown in FIG. As shown in the enlarged perspective view of FIG. 4A, the imitation rusher 11 that constitutes the tatami-mat 10 is formed by winding a thin Japanese paper in a spiral shape to form a rod shape, and coating the outer periphery so that it cannot be easily unraveled. There is.

As shown in the perspective view of (B), this is woven by using a cord 12 in the same manner as a normal tatami using a natural rush to form the tatami mat table 10.

With this structure, the tatami mat 10 can obtain the same aesthetic appearance and texture as the tatami mat using natural igusa, and can prevent discoloration due to heat and increase the service life.

In the case of a natural igusa, an air layer exists at the center, but by using the imitation igusa 11 made of Japanese paper with the core filled up, the heat insulating layer due to the air layer is eliminated to improve the thermal efficiency. be able to.

Further, since it is made of strong Japanese paper, it is strong against friction and can be sufficiently used in daily life such as when a person moves or slides an object.

Next, the planar heater 30 will be described with reference to the plan view of the planar heater 30 shown in FIG. The planar heater 30 includes four vertical electrodes 32 and three electrodes 3
A plurality of surface heating elements 31 connecting the two are provided.

The surface heating elements 31 are arranged in three rows in the horizontal direction and are arranged in the vertical direction up to the full length of the board 50, and two sheets are provided so that the person can sit in any position of the heating tatami 1 and heat the seat. The sheet heater 30 is installed so as to cover almost the entire heating tatami mat 1. As shown in the perspective view of FIG. 6C, the lower end of the electrode 32 is provided with a connecting portion 33 for connecting a contact cable 40, and the connecting portion 33 is provided with a contact cable 4.
The contact 41 provided for 0 is eyeleted by the eyelet member 42.

The contact cable 40 is provided with four contacts 41 each having different electrodes. As shown in FIG. 5, the contacts 32 are arranged in order so that the electrodes 32 are alternately arranged with respect to the electrodes 32 of the two planar heaters 30. Connecting. As shown in the explanatory view of FIG. 6D, a cable 43 formed by surrounding the outer circumference of a metal wire with a braided string is soldered to the contact point 41 to connect the contact point 41 to the contact point cable 40. Form integrally. A connector (not shown) for connecting the above-mentioned connection cable 3 is provided at one end of the contact cable 40.

The connecting portion 33 thus connected
Is insulated by sticking an insulating tape 44 (FIG. 3), and as shown by phantom lines in FIG. 5, the protective tape 34 completely covers the upper and lower sides so as to have a U-shape when viewed from the left side. 33
Insulate and protect.

With the above structure, the contact cable 40 in which the cable 43 is thin and the contacts 41 are provided substantially vertically requires less space to be secured below the planar heater 30 (downward in FIG. 5). The surface heater 30 can heat almost the entire surface of the tatami mat. In addition, the contact cable 40 can be manufactured at low cost because it can be formed of a general conductive wire and contact metal fittings.

Further, by using the sheet heater 30, troubles such as disconnection when using a nichrome wire, water leak of a gas hot water system and boiler failure are solved,
Almost no maintenance is required, and the heating tatami mat 1 can be used comfortably.

A controller is connected as a control means between the power supply 70 and the connection cable 3 shown in FIG.
The temperature may be adjusted by controlling and adjusting the electric power supplied to the heating tatami mat 1. Further, insect-proof paper may be provided between the tatami mat 10 and the odorless plywood 20, and the tatami floor 60 may be omitted to obtain the thin heating tatami 1. As described above, by arbitrarily changing the combination of the layers forming the heating tatami mat 1 according to the purpose and the installation environment, it is possible to provide a heating tatami mat having a thickness and function adapted to the circumstances of the house and the customer's request. it can.

Further, the imitation rusher 11 has a double-layered double-layer structure including a spirally formed core portion shown in FIG. 4 (A) and a spirally wound outer periphery of the core portion. It may be configured, or may be wound in three or more layers to form a multilayer structure. In this case, the performance of various functions such as heat dissipation and durability can be adjusted by using a plurality of materials such as changing the materials of the core part and the outer peripheral part.

Further, the imitation rusher 11 may be made of other heat-resistant member such as thermoplastic resin instead of Japanese paper. Accordingly, it is possible to provide various types of heating tatami mats, for example, a thermoplastic resin is used to add a function that does not cause stains when the spilled soy sauce or sauce is wiped off.
Further, when it is formed of a thermoplastic resin, it is possible to easily form the imitation igusa 11 having an appropriate thickness without winding it in a spiral shape unlike the case of forming the Japanese paper.

In the correspondence between the structure of the present invention and the above-described embodiment, the tatami mat of the present invention corresponds to the heating tatami mat 1 of the embodiment, and hereinafter, the wiring passage corresponds to the wiring groove 2 and heat resistance. The member corresponds to the imitation igza 11, the heat generating means corresponds to the planar heater 30, the heat generating sheet corresponds to the surface heating element 31, and the connecting means for connection corresponds to the wiring hole 61. Is not limited to the configurations of the above-described embodiments, and many embodiments can be obtained.

[Brief description of drawings]

FIG. 1 is a perspective view showing the appearance of a heating tatami mat.

FIG. 2 is a rear view showing the arrangement and wiring of the heating tatami mat.

FIG. 3 is an enlarged perspective view (partially sectional view) showing the inside of the heating tatami mat.

FIG. 4 is an explanatory diagram illustrating a tatami mat.

FIG. 5 is a plan view showing a planar heater.

FIG. 6 is an explanatory diagram illustrating contacts.

[Explanation of symbols]

1 ... Heating tatami mat 2 ... Wiring groove 10 ... tatami mat 11 ... Imitation rush 30 ... Sheet heater 31 ... Surface heating element 60 ... tatami floor 61 ... Wiring hole

Claims (5)

[Claims] 1. A tatami mat, the surface of which is covered with a tatami mat,
A heating tatami mat formed by knitting the tatami mat with a linear heat-resistant member and laying heating means between the tatami mat and the tatami floor. 2. The heating tatami mat according to claim 1, wherein the heat-resistant member is formed of a Japanese paper material into a linear body. 3. The heating tatami mat according to claim 1 or 2, wherein the heat generating means is formed of a flat heat generating sheet. 4. A connecting connection means for supplying heat energy to the heat generating means is provided on the back surface of the tatami floor.
Heating tatami mat as described in 2 or 3. 5. The heating according to any one of claims 1 to 4, wherein a bottom area is formed smaller than a surface area, and when a plurality of heating tatami mats are juxtaposed, a wiring passage can be secured by the difference in the areas. tatami.