JPH10246452A - Panel unit for floor heating and panel for floor heating using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To diversify a form for circulating and supplying a heating medium by allowing each unit panel to have a cut-out part at two adjacent corners of a sheet- shaped body, providing two paths of pipe for circulating heating medium that reaches the other cut-out part from one cut-out part, and connecting the edge part of the pipe for circulating heating medium at each path of a space part that is formed by the cut-out part. SOLUTION: A sheet-shaped body 1 of a panel unit U is a square and has cut-out parts 2 (2a and 2b) at two adjacent corners. With the sheet-shaped body 1, a groove that is formed on one surface side for supporting a pipe for circulating heating medium has two paths reaching the other cut-out part 2b from one cut-out part 2a and a pipe for circulating heat that is placed allows edge parts at both sides to be located at the cut-out parts 2a and 2b. A plurality of panel units U are adjacent so that a side 5S with the cut-outs 2a and 2b is aligned to a side 5W where no cut-outs are provided, an area between specific edge parts of the pipe for circulating heat of each path is connected to the opposite cut-outs 2a and 2b, and paired edge parts are connected to the heating medium going and returning pipes of the heat source device, thus circulating the heating medium.

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 unit and a floor heating panel using the same.

[0002]

2. Description of the Related Art In a conventional method of forming a floor heating panel of a desired size by arranging a plurality of panel units provided with heat medium circulation pipes vertically and horizontally, supply of a heat medium to each panel unit is not performed. The operation is performed in parallel for each panel unit using a header as a parallel supply member. For example, in the specification and drawings attached to the applicant's earlier application, Japanese Patent Application No. Hei 8-242855, each panel unit is meandering in a square plate-like body having cutouts at four corners. The heat medium circulating pipe thus formed constitutes one path, and both ends of the pipe are positioned in a notch at one corner. In such a configuration, each panel unit is adjacent to each other at one corner where both ends of the heat medium circulation pipe are located, and in a space formed by the cutouts, each heat medium circulation pipe is formed. The end of the pipe is connected to a header connected to a heat medium return pipe and a heat medium return pipe connected to the heat source device.

[0003]

As described above, in the conventional floor heating panel in which a plurality of panel units are vertically and horizontally adjacent to each other and have a desired size, the form in which the heat medium is circulated and supplied is limited in parallel. In this configuration, there is no degree of freedom, and in such a configuration, there are many elements for underfloor piping, and the configuration is relatively complicated. In view of the above, an object of the present invention is to solve such a problem and to provide a floor heating panel unit and a floor heating panel using the same that can variously set the form of circulation and supply of the heat medium. Things.

[0004]

In order to solve the above-mentioned problems, according to the present invention, a plurality of panel units provided with heat medium circulation pipes are vertically and horizontally adjacent to each other to provide a floor heating panel of a desired size. In each of the panel units, notch portions are provided at two adjacent corners of the rectangular plate-like body, and a pipe for heat medium circulation from one notch to the other notch is provided in the plate-like body. A floor heating panel unit is proposed in which two paths are provided and an end of a heat medium circulation pipe of each path is connectable in a space formed by the cutouts.

[0005] In the present invention, it is preferable that the plate-like body is square in the above-mentioned panel unit for floor heating.

According to the present invention, in the floor heating panel unit described above, one of the two paths of the heat medium circulating pipe is formed to meander, and the other path of the heat medium circulating pipe is formed. It is proposed that the path be a linear configuration.

Next, the present invention has a configuration in which notches are provided at two adjacent corners of a rectangular plate-like body, and two paths of heat medium circulation pipes are provided from one notch to the other notch. A plurality of panel units are formed to have a desired size by vertically and horizontally adjoining each other so that the side provided with the notch and the side not provided with the notch are aligned, and formed by facing notches. In the space part, predetermined ends of the heat medium circulating pipes of the respective paths are connected to each other by a connecting member, and predetermined ends of the pipes are connected to a heat medium feed pipe and a heat medium return pipe connected to the heat source device. We propose a floor heating panel that is connected to the supply member.

According to the present invention, in the above floor heating panel, the panel units adjacent to each other in the vertical and horizontal directions are connected to each other.
In a space defined by notches located on the center side of one group, the ends of two paths of heat medium circulating pipes located in each notch are connected to a heat medium supply pipe connected to the heat source device, While connected to the supply member connected to the heat medium return pipe,
In the space formed by the notches located on the peripheral side, the ends of the two paths of the heat medium circulating pipes located in each notch are connected to each other by a connecting member, and the four adjacent ones forming the above-mentioned one group are connected. A floor heating panel is proposed in which a heat medium can be circulated and supplied in parallel from a center side of a group to a heat medium circulation pipe of two panel units.

According to the present invention, in the floor heating panel, the panel units adjacent to each other in the vertical and horizontal directions are connected to each other.
One as a group and two adjacent groups,
In the space formed by the notches located on the center side of the group, the ends of adjacent two-path heat medium circulation pipes belonging to the adjacent notches of each set are connected by connecting members, The other two ends of the heat medium circulating pipe are connected to the heat medium supply pipe connected to the heat medium return pipe and the heat medium return pipe connected to the heat source device, respectively. In the configured space, the ends of the two paths of the heat medium circulating pipes located in the respective notches are connected to each other by connecting members, and the heat medium circulating of the four adjacent panel units constituting the above-mentioned group is connected. A floor heating panel is proposed in which a heat medium can be circulated and supplied in series from the center of the first group to the pipes for each set.

In the present invention, in the floor heating panel described above, four adjacent panel units are grouped into one group.
In a space formed by the notch located on the center side of the group, the ends of two adjacent heat medium circulating pipes belonging to the adjacent notch are connected by a connecting member except for one set, In addition, each of the pair of ends is connected to a supply member connected to a heat medium return pipe and a heat medium return pipe connected to the heat source device, and in a space defined by a notch located on a group of peripheral sides. The ends of the two paths of the heat medium circulating pipes located in the respective notches are connected to each other by a connecting member, and the heat medium circulating pipes of the four adjacent panel units constituting the group are connected to the pipes of the heat medium circulating. We propose a floor heating panel configured to be able to circulate and supply a heat medium in series from the center side of a group.

According to the present invention, in the above-mentioned floor heating panel, a plurality of panel units adjacent to each other in one row are connected to one another.
In the middle part of the group, the adjacent two notches belonging to the adjacent notch in the space formed by the adjacent notch
The ends of the pipes for circulating the heat medium of the path and the ends of the other two paths are connected by a connecting member, and each notch is formed in a space formed by adjacent notches on the other side of the row. The ends of the heat medium circulating pipes of the two paths located at the end are connected by a connecting member, and at one end of a group, in the space defined by the notch, the two paths located at the notch Each of the ends of the heat medium circulation pipe is connected to a supply member connected to a heat medium return pipe and a heat medium return pipe connected to the heat source device, and a space defined by a cutout is formed at the other end of the group. In the above, two ends of the heat medium circulating pipes located in the notch are connected to each other by a connecting member, and the heat medium circulating pipes of the plurality of panel units constituting the group are connected to the end of the group. Floor heating that enables the heat medium to be circulated and supplied in series from the side Suggest use panel.

According to the present invention, it is proposed that the supply member has a valve mechanism in the floor heating panel.

According to the present invention, when a plurality of panel units are vertically and horizontally adjacent to each other to form a floor heating panel of a desired size, the end of the path of the heat medium circulation pipe connected by the connecting member. By mutually selecting the position of the end of the heat medium circulation pipe connecting the supply member connected to the heat medium return pipe and the heat medium return pipe with each other, a plurality of vertically and horizontally adjacent plural pipes are connected. The form of circulating supply of the heat medium to each heat medium circulating pipe of the panel unit is set to four adjacent ones.
The group can be set in various forms such as parallel, series or series-parallel. In addition to the four adjacent groups as one group, a plurality of panel units adjacent in a row, that is, two or more, three or more panel units are grouped to circulate and supply the heat medium in series. Can be configured.

By selecting a panel unit for supplying a heat medium by providing a valve mechanism on the supply member, the heating range can be adjusted in various forms.

According to the present invention, in a portion adjacent to the panel unit in which the side provided with the notch portion is aligned with each other, the connection of the heat medium circulating pipes and the heat medium circulating The pipe can be connected to the heat medium feed pipe and the heat medium return pipe, and no space is formed in the adjacent part of the panel unit where each of the sides where the notch is not provided is aligned. It is possible to prevent heat from dissipating from the part to the underfloor space or the like.

[0016]

Next, an embodiment of the present invention will be described with reference to the drawings. 1 to 3 conceptually show an embodiment of a panel unit U to which the present invention is applied. FIG. 1 is a plan view, and FIGS. 2 and 3 are views taken along line AA of FIG. , B
FIG. 4 is a cross-sectional view taken along line B. In these figures, reference numeral 1 denotes a plate-like body, and the plate-like body 1 is square, and has cutouts 2 (2a, 2b) at two adjacent corners. This plate-like body 1 has a groove 4 formed on one surface side to support a heat medium circulating pipe 3 for circulating a heat medium, for example, hot water,
The heat medium circulating pipe 3 is mounted and supported in the groove 4. The groove 4 is provided with two paths from one notch 2a to the other notch 2b, and the heat medium circulating pipe 3 is mounted on each of them. Therefore, the heat medium circulating pipe 3 has two paths. The respective ends on both sides are located in the notches 2a and 2b. Although not shown, the ends of these heat medium circulating pipes 3 are connected to the connecting member and the supply member, which are described later. Is an easy configuration. As shown in the figure, in this example, of the two paths of the heat medium circulating pipe 3, the path 3s on the side closer to the notches 2a and 2b is a straight path, and the path 3w on the far side is meandering. Configuration. However, each route 3s, 3w
Can be appropriately configured. Here, the plate is made of a material that can support the load on the floor,
Wood plywood, particle board, foam plastics board,
Alternatively, an appropriate material such as a composite of these materials can be used. The heat medium is, for example, hot water as described above. In this case, the heat medium circulation pipe 3 can be a pipe made of a material having excellent pressure resistance, heat resistance, and durability, such as crosslinked polyethylene. Further, the shape of the notch is not limited to a shape in which a corner is cut off at an angle as shown in the figure, and a shape in which a corner is cut out at a right angle is appropriate. Plate-like body 1
The structure for supporting the heat medium circulating pipe 3 is not only a structure for mounting and supporting the heat medium circulating pipe 3 for the groove 4 from one surface side as described above, but also a structure for supporting the heat medium circulating pipe 3 embedded in the plate-like body 1. It can also be.

A plurality of the panel units U having the above configuration are
The sides 5s provided with the cutouts 2a and 2b and the side 5w not provided with the cutouts are arranged adjacent to each other in the vertical and horizontal directions so that they are aligned with each other, and have a desired width, and are formed by facing cutouts. In the space, predetermined ends of the heat medium circulating pipes 3 of the respective paths are connected to each other by a connecting member 6, and
A heat medium feed pipe 7 having a predetermined pair of ends connected to the heat source device,
By connecting to the supply member 9 connected to the heat medium return pipe 8, the heat medium can be circulated and supplied, and a floor heating panel of a desired size can be configured. Note that specific examples of the connection member 6 and the supply member 9 will be described later.

FIG. 3 shows an example of other elements for forming a floor using a floor heating panel by phantom lines, and reference numeral 10 protrudes below four corners of the panel unit U. The supporting legs, 11 are floor slabs, and 12 is a finishing floor material such as a flooring laminated on the upper side of the floor heating panel. In addition, for example, a layer made of a material having high thermal conductivity such as aluminum foil is formed between the finishing floor material 12 and the floor heating panel, and the heat from the heat medium circulation pipe 3 is diffused to the surroundings to thereby equalize the floor. The specific configuration of the floor using the floor heating panel of the present invention, such as measurement of thermalization, and the configuration method thereof are appropriate.

Next, a specific embodiment of a floor heating panel in which a plurality of panel units U of the present invention are arranged vertically and horizontally adjacent to each other will be described with reference to the drawings. FIG. 4 shows the first embodiment.
In this embodiment, a plurality of panel units U arranged vertically and horizontally are arranged.
Are arranged as a group. The solid lines in FIG. 4 indicate the four adjacent panel units U (U1, U2, U
3, U4), right side; left panel units U1, U2; U3, U4 are adjacent to each other so that the side 5s provided with the cutout portion is on the left side in the figure; Therefore, the notches 2a and 2b are adjacent to each other in the facing direction, and the opposed notches 2a and 2b form a square space S on the center side of one group of the panel unit U. On the other hand, on the right side of the panel units U1 and U2 on the right side in the drawing, the side 5w where the notch is not provided is aligned with the adjacent panel unit U, and a space formed by the notch is formed in this line shape. It has not been.

A heat source device (not shown) is provided in the space S.
A supply member 9 connected to a heat medium return pipe and a heat medium return pipe (not shown), that is, a header, is disposed, and the heat medium return side and the heat medium return side are positioned in the respective notches 2. Do 2
It is connected to the end of the heat medium circulation pipe 3 in the path. That is, in each panel unit U, each path 3s,
The end of 3w is connected to the heat medium return side and the heat medium return side.
On the other hand, the notches 2a and 2b of the panel units U located on the periphery of one group, in this case, the upper and lower sides, are also opposed to the notches of the panel units U of another group adjacent thereto and have a square space S. In the space S ', the connection members 6 connect the ends of the two-path heat medium circulation pipes 3 located in the cutouts 2 of the panel units U. Therefore, the paths 3a and 3b of the heat medium circulating pipe 3 of each panel unit U are connected in series by the connecting member 6, and both ends thereof are located in the cutouts 2 constituting the space S, thus forming one group. Are connected in parallel to the supply member 9. Thus, in this configuration, the heat medium can be circulated and supplied to the four panel units constituting one group in parallel from the center side thereof. At this time, if a valve mechanism is provided for the supply member 9, the panel unit U for supplying the heat medium can be selected. Therefore, the heat medium for each panel unit U can be selected according to the rearrangement of the room and other change conditions. Supply form can be adjusted.

Next, FIG. 5 shows a second embodiment. In this embodiment, a configuration in which a plurality of panel units are vertically and horizontally adjacent and a configuration in which four adjacent panel units are grouped together are the same as those in FIG. Similar, but the supply form of the heat medium is different from that of FIG. In FIG. 5, the same elements as those in FIG. 4 are denoted by the same reference numerals, and duplicate description will be omitted. In this configuration, as in the configuration of FIG. 4, each end of the two-path heat medium circulation pipe 3 located in the cutout 2 of each panel unit U in the space S 'located on the peripheral side of the first group. The connecting members 6 are connected to each other, and the paths 3s and 3w of the heat medium circulating pipes 3 of the respective panel units U are connected in series. Panel units U1, U2 (and U3, U4) vertically adjacent in the figure
Pipe 3 for heat medium circulation of two adjacent paths 3w, 3w belonging to
Are connected by a connecting member 6. For this reason, the heat medium circulation pipes 3 of the panel units U1, U2 (and U3, U4) vertically adjacent to each other in the drawing are connected in series, and as a result, one group of panel units is connected in series. It is composed of two sets of panel units U1, U2 and U3, U4. In the space S, a supply member 9 connected to a heat medium return pipe and a heat medium return pipe connected to the heat source device is disposed, and the panel units U1 and U1 are disposed on the heat medium return side and the heat medium return side, respectively.
The ends of the paths 3s, 3s of U2 (U3, U4) are connected.

Thus, in this configuration, the heat medium can be circulated and supplied to each of the sets in parallel by the supply members 9 disposed in the space S on the center side of the group. The heat medium can be circulated and supplied to the panel unit U in series. Also in this configuration, if a valve mechanism is provided for the supply member 9, the supply form of the heat medium can be changed by selecting a set of panel units U for supplying the heat medium.

Here, specific examples of the connection member 6 and the supply member 9 will be described using this embodiment. First, FIG. 6 is an enlarged plan view of the vicinity of the space S on the center side in FIG. 5, and a partial cross-sectional view is shown for convenience. FIG. 7 is a cross-sectional view taken along line XX of FIG. 7. FIG. 6 is an enlarged plan view showing the vicinity of the space S 'located on the peripheral side, that is, the upper side in FIG. 9 to 11 are front views of elements constituting the connection member 6 and the supply member 9.

In this specific example, the connecting member 6 comprises a female member 13 shown in FIG. 10 and a male member 14 shown in FIG. The female member 13 has a configuration in which connection cylinders 16 are protruded in the lateral direction on both ends of a cylindrical body 15 made of plastics or the like having both ends closed, and a flange 17 is provided at the tip of each connection cylinder 16. The male member 14 is provided with a fitting tube portion 19 for fitting the heat medium circulating pipe 3 on one end side of the pipe 18 bent by 90 °, and is fitted on the other end side of the fitting tube portion 16 with the female member 13. This is a configuration in which a cylindrical portion 20 is provided, and each of the fitting cylindrical portions 19 and 20 is provided with a means for maintaining a water-tight connection. That is, in this example, the fitting cylindrical portion 19 fitted into the heat medium circulating pipe 3 made of an elastically deformable material such as cross-linked polyethylene is provided with an uneven portion called a bamboo shoot. The fitting tube portion 20 that fits into the connection tube portion 16 of the female member 13 that is difficult to deform has a configuration in which a rubber packing 21 is attached to the outer periphery. In addition, a flange portion 22 that contacts the flange portion 17 of the connection tube portion 16 is provided on the rear side of the fitting tube portion 20.

Next, the supply member 9 comprises a female member 23 shown in FIG. 11 and a male member 14 shown in FIG. That is, the male member 14 is a member that also serves as the connection member 6 and the supply member 9. Therefore, the female member 23 has substantially the same configuration as the female member 13 for the connecting member 6, and the connecting cylindrical portion 16 into which the fitting cylindrical portion 20 of the male member 14 is fitted in the lateral direction on both ends of the cylindrical body 15. Are projected, and a flange portion 17 is provided at the tip of each connection tube portion 16. Further, in addition to the above configuration, the female member 23 is configured such that the one end side of the cylindrical body 15 is not closed and the cylindrical portion 2 fitted into the heat medium return pipe 7 and the heat medium return pipe 8.
The fitting tube portion 24 is provided with an uneven portion called a bamboo shoot as a means for maintaining a watertight connection.

In the above construction, the fitting cylinders 19 of the male member 14 are fitted into the respective ends of the heat medium circulating pipes 3 of the two paths to be connected, and the respective fitting cylinders 20 are connected to the female members 13. The two paths can be communicated below the space portions S and S 'by fitting into the connection tube portion 16 of the first embodiment. In addition, the fitting tube portion 19 of the male member 14 is fitted into the heat medium circulating pipe 3 in the path connected to the heating medium feed pipe 7 or the heating medium return pipe 8 in the same manner as described above, and the respective fitting cylinder portions 20 are attached. By fitting the fitting tube portion 24 of the female member 23 into the connecting tube portion 16 of the female member 23 and further connecting the fitting tube portion 24 of the female member 23 to the heating medium return pipe 7 or the heating medium return pipe 8, the heat medium circulating pipes of two adjacent paths are provided. 3 and heat medium return pipe 7 or heat medium return pipe 8
Can be connected via the supply member 9 below the space S. Although not shown, when the male member 14 and the female members 13 and 23 are connected, the flanges 22 and 17 that are in contact with each other can be clamped by clips or the like to prevent disconnection due to water pressure. With such a connection, as described above as shown in FIG. 5, the heat medium can be circulated and supplied to each of the sets in parallel by the supply members 9 arranged in the space S on the center side of the group,
In each set, the heat medium can be circulated and supplied to the adjacent panel units U in series.

The connection member 6 and the supply member 9 described above are
The present invention can be applied to any of the above and other embodiments other than the embodiment shown in FIG. In addition, it goes without saying that the connection member 6 and the supply member 9 can use an appropriate mechanism for connecting pipes in addition to the above.

FIG. 12 shows a third embodiment, in which a plurality of panel units are vertically and horizontally adjacent and a group of four adjacent units is shown in FIGS. , But the supply form of the heat medium is different from these. In FIG. 12, the same reference numerals are given to the same elements as those in the above figure, and the overlapping description will be omitted. In this configuration, the connection member 6 connects between the ends of the heat medium circulation pipes 3 of the paths 3 s and 3 s of the panel units U 1 and U 4 connected to the supply medium 9 on the heat medium output side in the configuration of FIG. At the same time, the paths 3s, 3 of the panel units U2, U3 connected to the heat medium return side of the supply member 9 are connected.
The end of s is connected to the heat medium return side and the heat medium return side of the supply member 9, respectively.

In this manner, in this embodiment, all the heat medium circulating pipes 3 of the four panel units U forming one group are formed in series, and the heat medium is connected in series from the space S on the center side of the group. Can be circulated.

Next, FIG. 13 shows a fourth embodiment, in which a plurality of panel units U which are adjacent to each other in one row are grouped. In the figure, three panel units U are grouped into one group as described later, but the number may be four or more. In FIG. 13, the same elements as those in FIGS. 4 to 12 are denoted by the same reference numerals, and redundant description will be omitted. In FIG. 13, three panel units arranged in a row in the vertical direction are grouped together, and a plurality of the groups are juxtaposed to form a floor heating panel of a desired size. 4 shown in the figure
Assuming that the groups of columns are a, b, c, and d, respectively, the side 5s provided with the cutout 2 is aligned on the right side in the groups a and c, and on the left side in the groups b and d. a group and b group and c group and d
Spacings S, S 'between the groups by opposing notches 2
Are not formed, and no spaces S and S ′ are formed between the groups b and c. Next, the circulation path of the heat medium for the group b in the above configuration will be described. First, in the middle part of the group b, the notches 2a and 2b of the group a and the notches 2a and
a, 2b, two adjacent routes 3w, 3b belonging to the respective adjacent notches 2a, 2b
The connection member 6 connects w to the ends of the heat medium circulation pipes 3 of the other two paths 3s, 3s. At one end of the group, that is, at the lower end in the figure, in the space S defined by the notch 2b, each of the ends of the heat medium circulation pipes 3 of the two paths 3s and 3w located in the notch 2b is connected. It is connected to a supply member 9 connected to a heat medium return pipe and a heat medium return pipe (not shown) connected to the heat source device. At the upper end of the group, in the space S, the ends of the heat medium circulation pipes 3 of the two paths 3 s and 3 w located in the notch 2 a are connected to each other by the connection member 6.

In this manner, in this embodiment, the heat medium circulating pipes 3 of the plurality of panel units U in one row forming one group are formed.
In addition, the heat medium can be circulated and supplied in series from the supply member 9 connected to one end of the group.

FIG. 14 is an enlarged plan view showing the vicinity of the space S formed by the adjacent cutouts on the left side of the row in the middle of the group. Adjacent two paths 3w, 3 belonging to the notches 2a, 2b
The male member 14 shown in FIG. 9 and the male member 14 shown in FIG. 10 between the w and the ends of the heat medium circulation pipes 3 of the other two paths 3s and 3s, respectively.
Are connected by the connecting member 6 constituted by the female member 13 shown in FIG.

As shown in the above embodiments, according to the present invention, when a plurality of panel units U are vertically and horizontally adjacent to each other to form a floor heating panel of a desired size, the heat connected by the connection member 6 is used. The ends of the paths 3 s and 3 w of the medium circulation pipe 3, the heat medium feed pipe 7 and the heat medium return pipe 8 connected to the heat source device
By appropriately selecting the positions of the ends of the paths 3s and 3w of the heat medium circulating pipe 3 connecting the supply member 9 connected to the heat medium circulating pipe 9, the plurality of panel units U vertically and horizontally adjacent to each other The form of circulating supply of the heat medium to the pipe 3
In addition to being able to be set as various forms such as parallel, series or series-parallel as four adjacent groups as one group, a plurality of panel units adjacent in a row, that is, two or more, three or more panel units as one group The heat medium can be configured to be circulated and supplied in series.

Although the description has been omitted in the above embodiment, the supply member 9 is provided with an appropriate valve mechanism so that the panel unit U for supplying the heating medium can be selected, so that the heating range can be adjusted. Can be performed in various forms.

In the present invention, in each of the above-described embodiments, the notched portions 2a and 2b are formed in the adjacent portion of the panel unit U where the side 5s provided with the notched portions 2a and 2b is aligned. In the spaces S and S ', the connection between the heat medium circulating pipes 3 and the heat medium circulating pipes 3
And the heat medium return pipe 7 and the heat medium return pipe 8, and a space is formed in an adjacent portion of the panel unit where the sides 5 w where the notches 2 a and 2 b are not provided are aligned. Therefore, it is possible to prevent heat from dissipating from this space to the underfloor space and the like.

[0036]

As described above, the present invention has the following effects. a. When a plurality of panel units are arranged vertically and horizontally to form a floor heating panel of a desired size, the form of circulation and supply of the heat medium to the heat medium circulation pipe of each panel unit is limited in parallel. Since it is possible to circulate and supply the heat medium not only in parallel but also in series and in series / parallel, the degree of freedom in design is high. b. In the parallel configuration, a panel unit that supplies the heat medium can be selected by configuring a valve mechanism in the supply member connected to the heat medium return pipe and the heat medium return pipe connected to the heat source device, and the heating range can be adjusted. It can be performed. c. In the series configuration, the number of connection elements with the supply member can be reduced, so that the configuration can be simplified. d. Since the opening formed when a plurality of panel units are adjacent to each other can be minimized, heat radiation from the opening to the floor below can be reduced.

[Brief description of the drawings]

FIG. 1 is a plan view conceptually showing an embodiment of a panel unit to which the present invention is applied.

FIG. 2 is a view taken along the line AA of FIG. 1;

FIG. 3 is a sectional view taken along line BB of FIG. 1;

FIG. 4 is a plan view conceptually showing a first embodiment of a floor heating panel in which a plurality of panel units of the present invention are vertically and horizontally adjacent to each other.

FIG. 5 is a plan view conceptually showing a second embodiment of a floor heating panel in which a plurality of panel units of the present invention are vertically and horizontally adjacent to each other.

FIG. 6 is an enlarged view showing a configuration example of a part of FIG. 5;

FIG. 7 is a sectional view taken along line XX of FIG. 6;

FIG. 8 is an enlarged view showing another example of the configuration of part of FIG. 5;

FIG. 9 is an example of an element constituting a connection member and a supply member.

FIG. 10 is an example of another element constituting the connection member.

FIG. 11 is an example of another element constituting the supply member.

FIG. 12 is a plan view conceptually showing a third embodiment of a floor heating panel in which a plurality of panel units of the present invention are vertically and horizontally adjacent to each other.

FIG. 13 is a plan view conceptually showing a fourth embodiment of a floor heating panel in which a plurality of panel units of the present invention are vertically and horizontally adjacent to each other.

FIG. 14 is an enlarged view showing a configuration example of a part of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Plate-shaped body 2 (2a, 2b) Notch part 3 Heat medium circulation pipe 3s, 3w Path 4 Groove 5s, 5w side 6 Connection member 7 Heat medium return pipe 8 Heat medium return pipe 9 Supply member 10 Support leg 11 Floor slab DESCRIPTION OF SYMBOLS 12 Finishing floor material 13 Female member 14 Male member 15 Cylindrical body 16 Connection cylinder part 17 Flange part 18 Pipe 19 Fitting cylinder part 20 Fitting cylinder part 21 Rubber packing 22 Flange part 23 Female member 24 Fitting cylinder part

Claims (9)

[Claims] 1. A floor heating panel having a desired size by arranging a plurality of panel units provided with heat medium circulation pipes vertically and horizontally, wherein each panel unit is adjacent to a square plate-like body. Notches are provided at two corners, and two paths of heat medium circulation pipes are provided in the plate-shaped body from one notch to the other notch. A floor heating panel unit characterized in that an end of a circulation pipe is connectable. 2. The floor heating panel unit according to claim 1, wherein the plate-like body is square. 3. The heat medium circulating pipe of one of the two paths is meandered, and the heat medium circulating pipe of the other path is straight. The panel unit for floor heating according to claim 1 or 2, 4. A plurality of panel units having a configuration in which notches are provided at two adjacent corners of a rectangular plate-like body and two paths of heat medium circulation pipes from one notch to the other notch are provided. Each of the sides provided with the cutouts and the sides not provided with the cutouts is vertically and horizontally adjacent to each other so as to be aligned with each other and has a desired size, and each of the spaces formed by the opposed cutouts A predetermined member of the heat medium circulation pipe of the path is connected to each other by a connection member, and a predetermined pair of ends is connected to a supply member connected to the heat medium return pipe and the heat medium return pipe connected to the heat source device. Panel for floor heating characterized by comprising 5. A heat medium circulation of two paths located in each notch in a space defined by notches located on the center side of a group of four adjacent panel units arranged vertically and horizontally. The end of the pipe is connected to the supply member connected to the heat medium feed pipe connected to the heat source device and the heat medium return pipe, and is located at each notch in the space defined by the notch located on the peripheral side. The end portions of the heat medium circulating pipes of the two paths are connected to each other by a connecting member, and the heat medium circulating pipes of the adjacent four panel units constituting the group are connected in parallel from the center side of the group to the heat medium circulating pipes. 5. The floor heating panel according to claim 4, wherein the panel is configured to be capable of being circulated. 6. A space formed by notches located on the center side of one group, wherein four adjacent panel units arranged vertically and horizontally are grouped together and are configured as two adjacent groups. The ends of the adjacent two paths of the heat medium circulating pipes belonging to the adjacent notches of the respective sets are connected to each other by connecting members, and each of the ends of the other two paths of the heat medium circulating pipes is connected to a heat source. In a space formed by a notch located on a peripheral side of a group connected to a supply member connected to a heat medium outlet pipe and a heat medium return pipe connected to the apparatus, two paths of heat located in each notch are provided. The ends of the medium circulation pipes are connected to each other by a connecting member, and the heat medium circulation pipes of the four adjacent panel units constituting the group are connected in series from the center side of the group to the group for each of the sets. Characterized in that the heat medium can be circulated and supplied The floor heating panel according to claim 4. 7. A heat medium circulation pipe of two adjacent paths belonging to adjacent notches in a space defined by notches located on the center side of one group of four adjacent panel units. Except for one set, the ends are connected by a connecting member, and each of the one set of ends is connected to a supply member connected to a heat medium return pipe and a heat medium return pipe connected to a heat source device, In the space defined by the notches located on the peripheral side of the one group, the ends of the two paths of the heat medium circulating pipes located in each notch are connected to each other by a connecting member to form the first group. The floor heating panel according to claim 4, wherein the heat medium is circulated and supplied in series from all the heat medium circulation pipes of four adjacent panel units from the center of the group. 8. A plurality of panel units which are adjacent to each other in one line are grouped, and in a middle portion of the group, heat of two adjacent paths belonging to adjacent notches in a space defined by adjacent notches. The ends of the medium circulation pipe and the ends of the other two paths are connected by a connecting member, and are located at the respective notches in a space defined by adjacent notches on the other side of the row. Two ends of the heat medium circulating pipes are connected to each other by a connecting member, and at one end of a group, two paths of heat medium circulating located in the notch in a space defined by the notch. Each of the ends of the pipe for use is connected to a supply member connected to a heat medium supply pipe connected to a heat medium return pipe and a heat medium return pipe connected to a heat source device, and at the other end of the group, in a space defined by a cutout, For two-path heat medium circulation located in the notch The ends of the pipes are connected to each other by a connecting member so that the heat medium circulating pipes of the plurality of panel units constituting the group can be circulated and supplied in series from the end side of the group. The floor heating panel according to claim 4, characterized in that: 9. The floor heating panel according to claim 1, wherein the supply member has a valve mechanism.