JPH0213846Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a tatami floor for floor heating and cooling in which a fluid such as hot water or a refrigerant is circulated through a heat radiation tube to heat and cool the floor.

[Prior art]

Conventionally, various floor heating tatami mats have been proposed in which hot water pipes are buried in the tatami floor and hot water is circulated through the hot water pipes to heat the entire tatami mat.

By the way, the tatami floor usually used for the above-mentioned floor heating tatami mats is insulated fiber board specified in JIS A5905 or JIS A5913, JIS
Chemically finished tatami flooring is often used by using foam polystyrene boards (hereinafter referred to as "boards") specified in A5911.

[Problem that the invention attempts to solve]

However, with the prior art, among these boards, for example, insulated fiber boards, which expand and contract depending on the moisture content, dry the board by passing hot water through a hot water pipe. There is a drawback that the board shrinks and a gap is created between the tatami mats.

In particular, this type of floor heating tatami is made by stacking multiple boards to form the tatami floor, and if necessary, a heat transfer plate is interposed in contact with the hot water pipe, and the space between the boards is Since the structure is such that the heat exchanger plate is fixed with adhesive, etc., these boards are formed as one board in the front-rear, left-right directions, and the shrinkage of the outer edge of the tatami mat is reduced. The problem is that the absolute value of becomes very large.

The present invention was developed in view of the drawbacks of the chemical tatami flooring for floor heating and cooling according to the prior art described above, and is designed to prevent gaps from forming between tatami mats when they are laid in a room. The purpose is to provide tatami flooring for floor heating and cooling.

[Means for solving problems]

In order to solve the above-mentioned problems, the present invention has developed an upper board in which a board with the size of one tatami tatami area into which a tatami needle can be inserted is divided into a plurality of board pieces, and an upper board that has a size of one tatami tatami area through which a tatami needle can be inserted. a middle board consisting of one board with the size of 1 tatami mat, a lower board made by dividing the board with the size of 1 tatami mat into a plurality of board pieces into which a tatami needle can be inserted, and the upper surface side of the middle board. A pipe groove for arranging a heat dissipation pipe, which is located within a predetermined range around the periphery of the inner board so as not to interfere with the processing of the tatami surface, and a heat dissipation pipe arranged within the pipe groove. a heat transfer plate made of metal foil that is provided between the upper board and the middle board so as to be in contact with the heat dissipation tube and into which a tatami needle can be inserted; The structure consists of tatami threads that are sewn together to form a tatami floor in a state in which each of the board pieces of the middle board, heat transfer plate, and upper board on which heat dissipation tubes are arranged are placed in sequence.

[Effect]

By configuring in this way, a plurality of board pieces constituting the lower board, the middle board,
A tatami floor can be manufactured by sewing together multiple board pieces that make up the heat transfer plate and the upper board, and even if they shrink due to drying during use as a tatami floor, the upper board and the lower board will remain as board pieces. The absolute value of shrinkage for each tatami sheet can be kept small, and since the heat dissipation pipes are only buried within a predetermined area around the periphery of the tatami floor, the tatami store can reduce the tatami face and tatami edges. There is no problem when sewing it, and it can be treated in the same way as regular rice straw tatami.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to FIGS. 1 to 10.

In the drawings, reference numeral 1 indicates an upper board, and the upper board 1 may include, for example, a soft fiber board such as an insulated fiberboard made mainly of fibrous wood, a foamed resin board such as a foam polystyrene board, and an insulated board. A composite board is used, which is made by layering fiberboard with cardboard, foamed resin board, felt, etc. In this embodiment, the upper board 1 has a width of 910 mm, a length of 1820 mm, and a thickness of 10 mm.
The upper board 1 was cut into six board pieces 1A, 1B, ... 1F as shown in Fig. 3, and the shrinkage margin was made as small as possible as described later. There is.

Reference numeral 2 indicates a middle board, and the same material as the upper board 1 is used for the middle board 2 as well. In this embodiment, the middle board 2 has a length of 1820 mm, a width of 910 mm,
A tube having a thickness of 20 mm is used, and a tube groove 3 for arranging a heat dissipation tube as shown in FIG. 4 is formed in a meandering shape on the upper surface side. Adapter mounting holes 3A, 3A are bored at both ends of the pipe groove 3, as will be described later. Here, the pipe groove 3 has a length closer to the center in the length direction and the width direction.
The width is set to be 1560mm and the width is 680mm, so that it will not interfere with the tatami facing process.

Reference numeral 4 denotes a heat dissipation tube processed into a serpentine shape so as to fit into the pipe groove 3 and disposed within the pipe groove 3. The heat dissipation tube 4 may be a copper pipe, a metal pipe such as aluminum foil, or the like. , resin pipes such as cross-linked polyethylene pipes and nylon pipes, and rubber pipes such as ethylene propylene rubber can be used. 5, 5 is the heat sink 4
A hexagonal adapter for connecting piping is fixed to the pipe end of the pipe by means such as brazing, and 6 and 6 are each adapter 5.
A recess 6A for inserting a tool is provided on the outer periphery of the
(see Fig. 7), each rubber ring 6 is fitted to the outer periphery of the hexagonal adapter 5, and during piping connection work, etc., a wrench or the like is applied to the recess 6A, and an external force is applied to the adapter 5. When
This is to prevent the heat dissipation tube 4 from moving and damaging the brazed portion.

Reference numeral 7 indicates a lower board, and the lower board 7 is also made of the same material as the upper board 1. In this embodiment, the lower board 7 also has a length of 1820 mm, a width of 910 mm, and a thickness of 20 mm.
mm is used, and is cut into two board pieces 7A and 7B as shown in FIG. 5, and is set so as to reduce the shrinkage margin on the floorboard side, as will be described later.

8 is a heat transfer plate interposed between the upper board 1 and the middle board 2; As the heat exchanger plate 8, aluminum foil is used so that the tatami needle can be easily inserted. In the case of this example, the aluminum foil has a width of 910 mm and a thickness of 0.15 mm.
A roll of aluminum foil cut into lengths of 1820 mm is used. Note that the heat transfer plate 8
Instead of aluminum foil, copper foil, ultra-thin iron foil, etc. may be used, and any metal foil that allows the insertion of a tatami needle may be used.

Reference numeral 9 denotes an insect-proof and moisture-proof back material provided on the bottom side of the lower board 2 (see FIGS. 6 and 7).

Next, the process of manufacturing a tatami floor using each of the above-mentioned members will be described.

First, as a preparatory work, the upper board 1 is cut into six board pieces 1A to 1F as shown in FIG.
A pipe groove 3 as shown in FIG. 4 is formed in the middle board 2. On the other hand, in order to use it as a heat dissipation tube 4, a copper tube or the like is placed in the tube groove 3.
The adapters 5, 5 are simply bent to match the above and the adapters 5, 5 are simply brazed. Furthermore, the lower board 7 is
Cut into two board pieces 7A and 7B as shown in the figure.

Next, place the backing materials 9, 7A, and 7B on the tatami floor processing table.
The lower board 7 divided into two and the middle board 2 with the pipe grooves 3 processed thereon are placed one after another, and adapter attachment holes 3A and 7C are drilled at both ends of the pipe grooves 3 so as to penetrate through the lower surface. Then, connect the heat dissipation tube 4 to the tube groove 3 of the middle board 2.
, and insert the rubber ring 6 and adapter 5 into the adapter mounting holes 3A and 7C. On top of this, a heat exchanger plate 8 made of aluminum foil, board pieces 1A to 1
A tatami bed 11 as shown in FIG. 1 can be manufactured by sequentially placing upper boards 1 made of F and sewing them together with tatami threads 10 using a tatami bed making machine. Note that the feed width of the tatami needles is set so that the tatami needles do not hit the heat dissipation tubes 4 when the tatami floor is shrunk by the tatami floor making machine.

Finally, the tatami floor 1 assembled as described above
After adding markings (for example, length 1580 mm and width 700 mm) to indicate the buried area of the heat dissipation tube 4,
The products are inspected, packaged, and shipped to various tatami stores.

Now, the tatami floor 11 manufactured as described above
Tatami Omote 12, Tatami Edge 13,1 are available at tatami stores in each region.
By sewing 3, as shown in Figure 2,
It can be processed as tatami mats 14 for heating and cooling. At this time, the heat dissipation pipe 4 is housed within a range of 1560 mm in length and 680 mm in width, and the heat dissipation pipe 4 does not exist in the position where the tatami hem 13 should be sewn, so it will not cause any hindrance to the processing of the tatami facing 12. There isn't.

In this embodiment, the upper board 1 is divided into six board pieces 1A to 1F, and the lower board 7 is also divided into two board pieces 7A and 7B. Even when hot water is passed through, shrinkage of the front and back surfaces of the heating/cooling tatami mat 14 can be minimized.

That is, Fig. 8 is an explanatory diagram showing the state of shrinkage of the conventional tatami floor manufactured by overlapping non-divided boards. It is assumed that the tatami floor dries (moisture content decreases) by passing hot water and shrinks by ΔL in the longitudinal direction. Now, assuming that the shrinkage rate of the board when the moisture content changes by 1% is 0.02 to 0.03%, and the maximum decrease in moisture content due to drying is 10%, the tatami mats in the Edo room (length 1760 mm, width 880 mm) It will shrink by up to 5.2mm, and the maximum value of ΔL will be 2.6mm.

However, in this embodiment, the upper board 1 is divided as shown in FIG. 3, so the front side of the tatami floor 11 in this embodiment is shrunk as shown in FIG. It shrinks by only /4, and the absolute value of the shrinkage margin can be set to 1/4.
On the other hand, the lower board 7 is also divided into two parts as shown in Fig. 5, and the shrinkage margin at the floorboard edge can be reduced to 1/2 compared to the conventional one. Thus, in this embodiment, even though the heat dissipation pipe 4 is disposed within the tatami floor 11, the shrinkage of the tatami as a whole can be suppressed to a small extent, and no gaps are generated between the tatami mats. In addition,
By sewing the upper board 1, the middle board 2, and the lower board 7 in the state shown in Fig. 1 with the tatami yarn 10, the absolute value of the shrinkage margin can be kept small. Needless to say, such an effect cannot be achieved.

Further, in this embodiment, since the heat transfer plate 8 is used between the upper board 1 and the middle board 2, the surface temperature of the tatami surface 12 can be made uniform. Moreover, by using aluminum foil for the heat transfer plate 8, there is no problem in inserting the tatami needle when processing the tatami floor using the tatami yarn 10, and a conventional tatami floor manufacturing machine can be used. can do. Furthermore, when sewing together the tatami floor 11, a large number of holes (approximately 400) are formed in the aluminum foil to ensure breathability.

Furthermore, the heat dissipation tube 4 has a length of 1560 mm as shown in Figure 4.
Because they are arranged within a width of 680 mm, when processing tatami mats at a tatami store, you can work with the same feeling as tatami mats made from rice straw. Furthermore, even if the tatami is in an Edo room, there will be a 100 mm wide area around the area where no heat dissipation pipe 4 is present, and the tatami hem 12 can be compressed smoothly.

In addition, in the embodiment, the upper board 1 is described as being divided into six board pieces 1A to 1F, but it may be divided into two to five board pieces.
It may be divided into 7 or more pieces. On the other hand, although the lower board 7 has also been described as being divided into two pieces, it may be divided into three or more pieces. Further, in the embodiment, the tube groove 3 and the heat dissipation tube 4 are formed in a meandering shape, but a header type in which the heat dissipation tubes are arranged in parallel may be used. moreover,
The tube end position of the heat dissipation tube 4 is not limited to the position shown in FIG. 1, but may be at a diagonal position as shown in FIG. 10A, or at the center in the longitudinal direction as shown in FIG. 10B. Furthermore, the middle board 2 may be divided into a plurality of board pieces.

[Effect of idea]

The tatami floor for floor heating and cooling according to the present invention is as described in detail above, and the upper board and the lower board are divided into a plurality of board pieces, and the middle board, heat exchanger plate, and heat radiation pipe are installed between them. Since the construction is made by sewing together the middle board with tatami thread in a pinched manner, it is not only easy to process the tatami floor using tatami thread, but also the upper board and the lower board can be made from multiple board pieces. Since the tatami floor is divided into two parts, shrinkage of the outer periphery of the tatami floor due to drying etc. can be reduced on both the tatami surface side and the floor side. In addition, since there are no heat dissipation pipes buried in the periphery of the tatami floor, when processing the tatami face and edges of tatami mats at a tatami store, the work can be done in the same way as with regular rice straw tatami floors. It has the effect of being able to perform the following tasks.

[Brief explanation of the drawing]

Fig. 1 is an external perspective view showing the heating/cooling tatami floor according to this embodiment, Fig. 2 is a perspective view showing the tatami mat cover attached to the tatami floor of Fig. 1, and Fig. 3 shows the divided upper board. FIG. 4 is a plan view showing the middle board, FIG. 5 is a plan view showing the divided lower board,
FIG. 6 is a partial cross-sectional view in the width direction of FIG. 1, FIG. 7 is a partial cross-sectional view in the longitudinal direction of FIG. FIG. 9 is an explanatory diagram showing a contracted state of the upper board according to this embodiment, and FIGS. 10A and 10B are explanatory diagrams showing a modification of the connection position of the heat dissipation tube. 1...Top board, 1A, 1B,...1F...Board piece, 2...Bottom board, 3...Pipe groove, 4...Radiation tube, 5...Adapter, 6...Rubber ring, 7...
Lower board, 7A, 7B... board piece, 8... heat transfer plate, 9... back material, 10... tatami thread, 11... tatami floor, 12... tatami surface, 13... tatami hem, 14... …
Tatami for heating and cooling.

Claims (1)

[Scope of utility model registration request] The upper board is made by dividing a board into multiple board pieces, which is the size of one tatami mat into which a tatami needle can be inserted, and the middle board, which is the size of one tatami mat through which a tatami needle can be inserted. A board, a lower board made by dividing a board with the size of one tatami mat into a plurality of board pieces through which a tatami needle can be inserted, and a lower board located on the upper surface side of the middle board and so as not to interfere with the processing of the tatami surface. a pipe groove for arranging a heat dissipation pipe formed within a predetermined range with respect to the periphery of the middle board, a heat dissipation pipe arranged in the pipe groove, and the upper board so as to be in contact with the heat dissipation pipe. a heat transfer plate made of metal foil that is provided between the lower board and the middle board, through which a tatami needle can be inserted;
This tatami floor for floor heating and cooling consists of tatami threads that are sewn together to form a tatami floor with heat transfer plates and upper board pieces placed one after another.