JPH11351596A - Floor heating panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a floor heating panel with reduced uneven temperature distribution in which it can be laid while being cut, fitting to the size of a room. SOLUTION: A panel A is constructed such that a small joist member 13 is inserted between panel members 10, three warm water pipes are piped on the panel member 10 in a meandering manner, and further a heat transfer sheet 15 is stuck to the warm water pipes. In the construction, the heat transfer sheet 15 of the panel A is cut along the small joist member 13, whereby the panel A is cut to the size of a construction filed and is laid in a floor. In the panel A, an auxiliary panel member 16 is laid under and exporsed portion 12a of a warm water pipe 12 exposed from an end surface of the panel, and to an upper surface of the same auxiliary heat transfer sheet 22 is stuck. Further, a central one among the three warm water pipes 1 is distributed to a warm water forward side with the aid of a warm water header 18, and warm water reaching a final end of the panel after circulating the panel A is distributed to the warm water pipes located on opposite sides, and is returned after again circulating the inside of the panel A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor heating panel used for heating a floor by circulating hot water in a hot water pipe provided in the panel.

[0002]

2. Description of the Related Art A conventional floor heating mat (panel) is shown in FIG.
As shown in the figure, the mat 1 is formed of expanded polyethylene or expanded polystyrene, and small joists 2 are alternately inserted into the mat 1 so that two hot water pipes 3, 3a each for going and returning are provided. Is arranged so as to meander while bypassing the small joist material 2.
There are standard sizes for tatami mats and three tatami mats, and these mats are laid in combination according to the size of the room. The laying area of this mat requires 60 to 70% of the total floor area, depending on the relationship between the amount of heat radiation and the heating load of the room.

[0003] In addition, the above-mentioned fixed size and the above-mentioned 60 to 7
When 0% of the laying area cannot be secured, custom-sized mats are manufactured and laid. In FIG. 7, reference numeral 4 denotes a heat source unit, which supplies hot water of about 60 ° C. from the heat source unit 4 to the outgoing hot water pipe 3 in the mat 1, makes a round in the mat 1, and turns back at the terminal. Return hot water pipe 3
The circuit goes around the mat 1 again via a and returns to the heat source device 4.

[0004]

However, the conventional floor heating mat has the following disadvantages. 1. When the floor area of the room is large, the number of mats to be laid increases, and the construction takes time and effort. In addition, since the number of connecting portions of the hot water pipe increases, there is also a greater risk of water leakage due to the construction error. 2. It is difficult to cope with a deformed room, and the usage rate of custom sizes increases. 3. Because custom sizes cannot be mass-produced, costs increase. 4. There are many variations of the standard size, and the cost increases due to inventory and the like. 5. The hot water pipes 3 and 3a have large temperature gradients on the going and returning sides, so that the temperature distribution becomes uneven.

[0005] The present invention is proposed in view of the above point, and a large number of fixed-size variations are prepared by cutting a single continuous floor heating panel according to the laying area and shape. The number of hot water pipe connection points as much as possible to reduce the risk of water leakage due to construction mistakes, and to reduce unevenness in temperature distribution. It is an object to provide a small floor heating panel.

[0006]

In order to achieve the above object, according to the first aspect of the present invention, in a floor heating panel, small spaces are respectively formed between rectangular panel members having three or more pipe grooves formed on a surface thereof. At the same time as inserting the joists, hot water pipes are fitted into the pipe grooves, and in the part where the panel material is shifted to the adjacent panel material, the pipes are continuously meandering so as to alternately bypass the small joists. A heat transfer sheet is attached to the upper surface of the panel material and the small joist material that have already been used.

Further, in the invention according to claim 2,
In the invention according to claim 1, the hot water supplied from the heat source device is concentrated at a central hot water pipe by a hot water header at the entrance of the panel material and set on the hot water outgoing side,
At the end of the hot water pipe, the U-turn header distributes the hot water flowing out of the central one to the hot water pipes on both sides and sets it on the hot water return side, and the flow returning from both sides at the entrance of the panel material Are combined by the hot water header and returned to the heat source device side.

Further, in the invention according to claim 3,
In the invention according to claim 1, hot water supplied from the heat source device is diverted to two hot water pipes on both sides by a hot water header at the entrance of the panel material and set on the hot water outgoing side, and at the end of the hot water pipe, The hot water flowing out of the two tubes on both sides by the U-turn header is merged into one central hot water pipe and set on the flowing water return side. At the entrance of the panel material, the flow returning from this central one is The hot water header is configured to return to the heat source device side.

Further, in the invention according to claim 4,
In the invention described in claim 1, 2 or 3, the heat transfer sheet is made of an aluminum sheet.

[0010]

[Function] The floor heating panel is made of one continuous material at the stage of factory production, and it is cut according to the laying area and shape of the room at the site, and if necessary, the size of the room Are laid in the width direction as one row or two rows. The length of the panel is arbitrary, but the width is prepared in several sizes. The cut position of the panel is at the boundary between the small joist and the panel material.

[0011]

This embodiment corresponds to each of the first and second aspects of the present invention and will be described in detail with reference to FIGS.
The floor heating panel A is formed by forming three parallel U-shaped hot water pipe piping grooves 11 on the surface of a rectangular plate-like panel material 10 formed by foaming polystyrene.
At intervals of 0, wooden small joists 13 are alternately protruded to form protruding portions 13a and 13b, and the hot water pipe 12 is piped while being fitted into the pipe groove 11, and further, the three hot water The pipe 12 is piped while meandering so as to bypass the non-projecting side of the small joist 13.
A heat transfer sheet 15 made of an aluminum sheet is bonded to the surfaces of the panel material 10 and the small joist material 13. An exposed portion 12a having a shape is formed. In the case of this embodiment, one panel material 10 and 1
The width of the combined small joists 13 is set to 303 mm, and the width of the panel material 10 in the length direction is 140 mm.
It is set to 0 mm.

When the panel A having the above configuration is constructed, the hot water pipe 12 is exposed at a portion 12 a exposed from the panel material 10.
An auxiliary panel member 16 as shown in FIG. 3 is laid on both sides. The auxiliary panel member 16 has the same thickness as the panel member 10, and has a size that fits between the projecting portions 13 b of the small joist members 13, and is made of the same material as the panel member 10. The hot water pipe 1 is provided on the upper surface of the auxiliary panel member 16.
A semicircular pipe groove 17 for fitting the second exposed portion 12a is formed. Further, an auxiliary heat transfer sheet 22 for bonding to the upper surface of the auxiliary panel member 16 is provided. Note that the width of the auxiliary panel member 16 is set to 400 mm, and in the case of the present embodiment, the width of the entire panel is 180 to facilitate the installation together with the panel body 10 side.
0 mm. However, the overall width may be set arbitrarily.

Next, a method of constructing the above floor heating device will be described. A long panel A is factory-produced in advance. On the other hand, the auxiliary panel material 16 and the auxiliary heat transfer sheet 2
2 is produced separately from the panel A, is brought together to the construction site, and is used in combination here.

First, the panel A is cut into a predetermined size at the site by cutting the heat transfer sheet 15 at the small joist 13. At this time, the exposed portion 12a of the continuous hot water pipe 12 is also cut. This panel A is laid on the floor and the hot water pipe 12
A hot water header 18 is attached to one end of the exposed portion 12a, and a U-turn header 21 is attached to the cut portion at the other end. A hot water pipe 20 extended from the heat source device 19 is connected to the hot water header 18. In the case of the embodiment, in the hot water header 18, one of the three at the center is on the hot water outgoing side, and the U-turn header 21 is bifurcated and two on both sides are on the return side. Alternatively, two of the two sides may be on the outgoing side and the center may be on the return side (claim 3). Fig. 1 shows an example of this construction.
Shown in

Next, the exposed portion 12a of the hot water pipe 12 exposed from the end face of each panel member 10 of the panel A may be left as it is, but preferably, this portion should be treated. This processing member and a processing example are shown in FIGS.
Shown in Under the exposed portion 12a of the hot water pipe 12, an auxiliary panel member 16 having a size that fits between the protruding portions 13a of the small joists 13 is laid, and the exposed portion 12a is fitted into a pipe groove 17 of the auxiliary panel member 16. Then, the auxiliary heat transfer sheet 22 is attached on the entire surface of the auxiliary panel member 16 (FIG. 4). By doing so, the exposed portion 1 of the hot water pipe 12
Heat can also be transferred effectively from 2a. Further, the exposed portion 12a of the hot water pipe 12 is stabilized and protected.

The floor material such as a flooring material is processed by using a dummy plywood or the like to treat a step around the floor heating device laid as described above, and then the floor material is attached using a small joist material 13. FIG.
When there is an obstacle such as a pillar in the room, a cut 10a is made to cross the panel material 10 to expose the hot water pipe 12, and a U-turn header 21 is attached thereto. The hot water pipe 12 can be cut at an arbitrary position in this manner, and can be adjusted to the situation at the construction site.

FIG. 6 shows panels A 'of different widths
Is an example of a construction in which three hot water pipes 12 are connected by a joint 23, respectively. Note that the panels A and A 'of this embodiment do not have the exposed portion 12a on the hot water pipe 12 and the projecting portion 13a on the small joist 13 and all the panels 1
The present invention is applicable to the example of such a panel material 10 and the hot water pipe 12 and is included in the present invention. In the embodiment, three hot water pipes 1 are used.
Although 2 is used for going and returning, the number of hot water pipes 12 may be set to 4 to 5 by increasing the size of the panel.

[0018]

As described above, according to the present invention, instead of incorporating all the hot water pipes into the floor heating panel, the detour portion is exposed, and the detour portion is constructed after the panel is laid. . As a result, the following effects are obtained. 1. Panels can be cut to any size with small joists, so there is no need to lay many mats as in the past, and the larger the laid area, the more labor and time It is reduced.

2. Since the number of mats to be laid is reduced, the number of connecting portions of the hot water pipe is also reduced, and accordingly, there is no fear of water leakage due to a construction error. 3. Since the panel body can be cut to any size and laid, it can be used in most rooms without using specially ordered products, and construction costs can be reduced.

4. Since there is no need to prepare a large number of standard sizes, the manufacturing cost of the panel body is reduced, and it is not necessary to have a large number of stocks. 5. Floor heating devices can be laid out freely while avoiding obstacles and furniture in the room, eliminating wasteful heat dissipation.
It can contribute to energy saving.

6. By using three or more hot water pipes, a panel with less unevenness in temperature distribution can be provided. 7. By using three or more hot water pipes, for example, in the case of a gymnasium, a meeting hall, etc., 4 to 4
By arranging five hot water pipes, the amount of heat radiation can be increased, and the floor heating effect can be enhanced.

[Brief description of the drawings]

FIG. 1 is a plan view of a floor heating panel according to the present invention and a construction example thereof.

FIG. 2 is an explanatory view of a section of a floor heating panel according to the present invention.

FIG. 3 is an explanatory view of a floor heating panel according to the present invention and a construction example.

FIG. 4 is an explanatory view of a construction example in an exposed portion of a hot water pipe exposed from a panel.

FIG. 5 is an explanatory view of an example in which a part of a panel material is cut and laid to avoid an obstacle.

FIG. 6 is an explanatory view of a construction example in which panels are added.

FIG. 7 is an explanatory view of a conventional floor heating device and an example of this construction.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Panel material 11 Hot water pipe piping groove 12 Hot water pipe 12a Exposed portion 13 Small joist material 13a, 13b Projecting portion 15 Heat transfer sheet 16 Auxiliary panel material 17 Pipe groove 18 Hot water header 19 Heat source unit 20 Hot water piping 21 U-turn header 22 Auxiliary Heat transfer sheet 23 Joint A Panel

Claims (4)

[Claims] 1. A method in which a small joist material is inserted between rectangular panel materials having three or more pipe grooves formed on a surface thereof.
A hot water pipe is fitted into each of the pipe grooves, and at a portion where the panel material is shifted to an adjacent panel material, a continuous meandering pipe is alternately bypassed so as to alternately bypass the small joist material. Floor heating panel with a heat transfer sheet attached to the upper surface of the material. 2. The hot water supplied from the heat source unit is concentrated on one central hot water pipe by a hot water header at the entrance of the panel material and set on the hot water outgoing side. The hot water that has flowed out from one of the above is distributed to the hot water pipes on both sides and set on the hot water return side, and the flows returning from both sides at the entrance of the panel material are combined by the hot water header to form a heat source side. The floor heating panel according to claim 1, wherein the floor heating panel is configured to return to the floor. 3. The hot water supplied from the heat source unit is diverted to two hot water pipes on both sides by a hot water header at the entrance of the panel material and set on the hot water outgoing side, and at a terminal of the hot water pipe, a U-turn header is used. The hot water flowing out of the two pipes on both sides is merged into one hot water pipe in the center and set on the return side of the flowing water, and the flow returning from this one central pipe at the entrance of the panel material is sent from the hot water header. The floor heating panel according to claim 1, wherein the floor heating panel is configured to return to the heat source device side. 4. The floor heating panel according to claim 1, wherein the heat transfer sheet is made of an aluminum sheet.