JP2013145070A - Floor heating panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability in connecting adjacent heat medium pipes of a floor heating panel, and to simplify a structure.SOLUTION: A floor heating panel includes a heat medium pipe 2 to be a flow path of a heat medium, and a base member 10 in a substantially rectangular flat plate shape provided with a pipe recessed groove 11 on its upper surface 10a side, a corner part on an upper surface side of the base member being provided with a housing recess 12 of a connection part 3 connecting adjacent heat medium pipes of the floor heating panel, and includes a cover 20 in a substantially rectangular flat plate shape which covers the housing recess so that adjacent two ends 21, 22 are located respectively along both two sides 15, 16 of a corner part of the base member, and for which one side end 23 of remaining two side ends 23, 24 is turnably held on the upper surface side of the base member, and a soaking sheet 25 which includes an upper surface 20a of the cover to cover the upper surface side of the base member, and is provided with a notch 26 to be placed along another side end 24 of remaining two side ends of the cover. The soaking sheet is turnable together with the cover.

Description

  The present invention relates to a floor heating panel provided with a heat medium pipe.

A conventional floor heating panel has a structure in which a heat medium pipe serving as a flow path for a heat medium is provided on a base material, and a heat equalizing sheet is provided on the upper surface side of the base material from the viewpoint of improving heat uniformity.
A so-called hot water type floor heating panel provided with such a heat medium pipe is arranged on a floor base so that a plurality of sheets are arranged vertically and horizontally. In such a case, in order to distribute | circulate the heat medium of adjacent floor heating panels, it is necessary to connect these heat medium pipes.
In such a case, there is a problem that it is difficult to connect the heat medium tubes to each other if the upper surface side of the connection portion between the heat medium tubes is covered with a soaking sheet. For example, it is possible to adopt a structure in which a heat equalizing sheet is not provided on the upper surface side of the connection portion between the heat medium tubes and the vicinity thereof, but in that case, the heat equalization property of the portion is impaired, and further improvement It was desired.

For example, Patent Document 1 below proposes a hot water type floor heating apparatus in which hot water pipes housed in adjacent floor heating panels are connected to each other by a joint pipe at a hot water pipe outlet.
The floor heating device has a structure in which a short side corner portion of the substrate is cut into a square shape to provide the hot water pipe lead-out portion, and a joint cover including the joint pipe and covering the hot water pipe lead-out portion is provided. Has been.
The joint cover is provided with leg-shaped pedestals so as to straddle the joint pipe at the squares on the back surface thereof, and is configured to be fitted into a hot water pipe lead-out portion formed in a cutout in the substrate.

Japanese Patent Laid-Open No. 9-145072

  However, in the floor heating apparatus like the above-mentioned Patent Document 1, it is necessary to provide a pedestal in the square on the back surface of the joint cover, and there is a problem that the structure on the cover side is complicated. Moreover, since the lower surface side of the hot water pipe lead portion of the substrate on which the joint pipe is disposed is in an open state, it is also conceivable that heat loss increases in the portion.

  The present invention has been made in view of the above circumstances, and can improve the workability when connecting the heat medium tubes of adjacent floor heating panels without impairing the thermal uniformity, and simplify the structure. However, it aims at providing the floor heating panel which can reduce the heat loss in a connection part.

  In order to achieve the above object, a floor heating panel according to the present invention has a substantially rectangular shape in which a heat medium pipe serving as a flow path for a heat medium and a groove for piping in which the heat medium pipe is disposed are provided on the upper surface side. A floor heating panel provided with a flat substrate, and a corner of the upper surface side of the substrate is provided with a storage recess for a connection portion for connecting heat medium tubes of adjacent floor heating panels The two side ends adjacent to the two sides of the corner portion of the base material are arranged so as to cover the storage recess, and one side end of the remaining two side ends. And a cover body having a substantially rectangular flat plate shape rotatably held on the upper surface side of the base material, and covering the upper surface side of the base material including the upper surface of the cover body, and the remaining two of the cover body A soaking sheet provided with a cut portion so as to be along the other side end of the side ends, and this soaking sheet Wherein the portion of the upper surface of the cover body is rotatable together with the cover body.

In the present invention, a cover recess for receiving the cover body may be provided at the corner of the base material so that the upper surface of the base material and the upper surface of the cover body are substantially flush with each other.
Moreover, in this invention, the positioning convex part with which the said other side edge part of the said cover body contact | abuts may be provided in the said corner part of the said base material.

  While the floor heating panel according to the present invention is configured as described above, it is possible to improve workability when connecting the heat medium pipes of adjacent floor heating panels without impairing the thermal uniformity. While simplifying the structure, it is possible to reduce heat loss at the connection site.

(A)-(d) shows typically an example of the floor heating panel which concerns on one Embodiment of this invention, (a), (b) is a part corresponding to the X section of FIG. 2, respectively. Omitted partially broken schematic plan view, (c) is a partially broken schematic front view corresponding to FIG. 1 (b), and (d) is a partially broken schematic side view corresponding to FIG. 1 (b). It is. It is a partially omitted schematic plan view schematically showing an example of the floor heating panel. (A) is a partially broken schematic longitudinal sectional view corresponding to the line AA in FIG. 2, and (b) is a partially broken schematic longitudinal section corresponding to the line BB in (a). FIG. (A)-(d) is a figure showing typically an example of a floor heating panel concerning other embodiments of the present invention, respectively, and making it correspond to Drawing 1 (a)-(d), respectively.

Embodiments of the present invention will be described below with reference to the drawings.
In some of the drawings, some of the detailed reference numerals attached to other drawings are omitted. 1A and 4A, illustration of the cover body and the soaking sheet is omitted, and illustration of the soaking sheet is omitted in FIGS. 1B, 2 and 4B. doing.

1-3 is a figure which shows typically an example of the floor heating panel which concerns on 1st Embodiment.
As shown in FIG. 2, the floor heating panel 1 according to the present embodiment is a base material provided with a heat medium pipe 2 serving as a heat medium flow path and a piping groove 11 in which the heat medium pipe 2 is disposed. 10 (see also FIGS. 1A and 1B). A soaking sheet 25 is disposed on the upper surface 10 a side of the substrate 10.
The substrate 10 has a substantially rectangular flat plate shape. In the illustrated example, a base material 10 that is elongated in one direction is shown. The base material 10 is formed of a material having heat insulation properties, and may be formed of, for example, a foamed resin material such as foamed polystyrene. Thus, by forming the base material 10 with a material having heat insulation properties, heat transfer between the floor heating panel 1 and the floor base material on which the floor heating panel 1 is installed can be suppressed. .
In addition, the thickness dimension of the base material 10 is good also as about 10 mm-20 mm, for example. The floor heating panel 1 may be configured as a single floor heating panel 1 by connecting the base materials 10 divided into a plurality of parts (see FIG. 2).

The groove 11 for piping is provided on the upper surface 10a side of the base material 10 so as to open upward on the upper surface 10a of the base material 10.
As a path pattern on the upper surface 10a of the base material 10 of the concave groove 11 for piping, as shown in FIG. 2, the concave groove 11 for piping is provided over almost the entire area of the upper surface 10a of the base material 10 in order to improve heat uniformity. You may make it provide so that it may meander over.
Moreover, the groove 11 for piping is good also as a cross-sectional view substantially U-shape like the example of a figure (refer Fig.3 (a)).
The groove width dimension of the concave groove 11 for piping is a dimension in which the heat medium pipe 2 can be disposed in the concave groove 11 for piping. Further, the groove depth dimension of the pipe groove 11 is arranged above the heat medium pipe 2 and the heat medium pipe 2 in a state where the heat medium pipe 2 is arranged in the pipe groove 11. The dimensions are such that the soaking sheet 25 is in contact with or in close proximity to each other. In the illustrated example, the groove depth dimension of the concave groove 11 for piping is such that the heat medium pipe 2 and the heat equalizing sheet 25 disposed on the upper side thereof are close to each other.

Moreover, in the example of a figure, the example provided in the groove 11 for piping so that the heat-transfer member 5 which accommodates the heat-medium pipe | tube 2 may be accommodated is shown.
The heat transfer member 5 is formed of a material having high thermal conductivity, and for example, a member formed of a metal material such as aluminum may be used.
The heat transfer member 5 is configured to cover the outer peripheral surface of the heat medium pipe 2 from the lower side in a state where the heat transfer member 5 is disposed in the concave groove 11 for piping. Further, the heat transfer member 5 has a shape in contact with the lower portion of the outer peripheral surface of the heat medium pipe 2.
Further, the heat transfer member 5 has a flange portion that is held so as to be sandwiched between the upper surface 10 a of the base material 10 and the heat equalizing sheet 25. A soaking sheet 25 is disposed on the upper surface side of the flange so as to be in close contact with the upper surface of the flange.
With the above configuration, the heat transfer between the heat medium pipe 2 through which the heat medium flows and the soaking sheet 25 can be improved.

Moreover, in the example of a figure, the example which provided the projection part which hold | maintains the heat-medium pipe | tube 2 (heat-transfer member 5) in the bottom face of the groove 11 for piping is shown (refer FIG. 3).
The protrusions are formed so as to protrude upward on the bottom surface of the piping groove 11, and a plurality of protrusions are provided at predetermined intervals in the longitudinal direction of the piping groove 11.
By providing such a protruding portion, the protruding portion comes into contact with the heat transfer member 5, and the contact area between the heat transfer member 5 and the bottom surface (inner surface) of the groove 11 for piping can be reduced. Accordingly, heat transfer between the lower portion of the heat transfer member 5 (heat medium pipe 2) and the base material 10 can be suppressed.

The heat medium pipe 2 is a hollow tubular body. In the illustrated example, the heat medium pipe 2 having a circular cross section is shown (see FIG. 3).
The heat medium pipe 2 is flexible so that it can be easily disposed in the piping groove 11 in accordance with the path pattern of the piping groove 11 formed on the upper surface 10 a side of the base material 10. ing. Further, the heat medium pipe 2 may be formed of a material having corrosion resistance and heat resistance. For example, a pipe or tube formed of a resin material such as crosslinked polyethylene may be employed. .
The diameter of the heat medium pipe 2 may be, for example, about 5 mm to 10 mm.
For example, a liquid, a gas, a vapor or the like may be used as the heat medium through which the heat medium pipe 2 is circulated.
The heat medium is heated by a heat source device (not shown) provided outside the room. The heated heat medium is fed into the heat medium pipe 2 of the floor heating panel 1 by the heat medium circulation device, and circulates in the heat medium pipe 2 disposed in the plurality of connected floor heating panels 1. And it is set as the structure which circulates in these floor heating panels 1 (refer the dashed-two dotted line arrow of FIG. 2). When the heat medium is liquid, a pump or the like may be employed as the heat medium circulation device.

Moreover, the accommodation recess 12 of the connection part 3 which connects the heat-medium pipe | tubes 2 and 2 of adjacent floor heating panels 1 and 1 is provided in the corner part by the side of the upper surface 10a of the base material 10 (FIG. 1). (See also (a)).
The storage recess 12 is provided at a corner on the upper surface 10 a side of the base material 10 so as to open upward on the upper surface 10 a of the base material 10. The storage recess 12 is formed so as to communicate with the piping groove 11. The width dimension and the depth dimension of the storage recess 12 may be dimensions that allow the connection portion 3 to be stored.
In the illustrated example, the storage recess 12 having a substantially rectangular shape in plan view is shown. Moreover, in the example of a figure, the example which provided the storage recess 12 in the two corners on the diagonal of the base material 10 is shown, respectively. Further, in the illustrated example, the heating medium pipes 2 and 2 on the medium feeding side and the medium returning side respectively connected to the two concave grooves 11 and 11 are connected to one corner (lower right in the figure). The example which provided the two accommodation recessed parts 12 and 12 which each accommodate the connection parts 3 and 3 to perform is shown. Moreover, the example which provided the single accommodation recessed part 12 which accommodates each above-mentioned connection part 3 and 3 in the other corner (illustration upper left) is shown.

The floor heating panel 1 is laid so that a plurality of floor heating panels 1 are adjacent to each other in the vertical and horizontal directions on the floor base. A coupler (pipe joint member) such as a one-touch coupler may be employed as the connection part 3 that connects the heat medium pipes 2 and 2 of the adjacent floor heating panels 1 and 1. The heating medium pipes 2, 2 of the adjacent floor heating panels 1, 1 of the adjacent floor heating panels 1, 1 and the heating medium pipes 2, 2 of the return medium are connected to each other by such a connection portion 3. 1 has a structure in which the heat medium circulates and circulates in the heat medium pipes 2 and 2.
In addition, the floor finishing material corresponding to floor heating is arrange | positioned at the upper surface 10a side of the base material 10 of the floor heating panel 1. FIG. Further, a small joist for fixing the floor finishing material may be provided at an appropriate position of the floor heating panel 1, and the floor finishing material may be fixed to the small joist.

Moreover, the floor heating panel 1 is provided with the cover body 20 which covers the storage recess 12 formed in the upper surface 10a side of the base material 10 (refer also FIG. 1). In the following, the cover body 20 that covers the storage recess 12 at one corner (lower right corner in FIG. 2) of the base material 10 will be described, and the storage recess at the other corner (upper left corner in FIG. 2). Since the cover body 20 covering the place 12 has a substantially similar configuration, the description thereof is omitted.
As shown in FIGS. 1B to 1D, the cover body 20 has a substantially rectangular flat plate shape.
The cover body 20 covers the storage recess 12 so that the adjacent two side end portions 21 and 22 are respectively along the two sides 15 and 16 of the corner portion (one corner portion) of the base material 10. It is structured. That is, these adjacent two side end portions of the cover body 20 become base material side portion side end portions 21 and 22 respectively along the two sides 15 and 16 of the corner portion (one corner portion) of the base material 10. .

Further, the cover body 20 has one side end portion 23 of the remaining two side end portions 23, 24 of the cover body 20 rotatably held on the upper surface 10 a side of the substrate 10. One side end portion of the remaining two side end portions 23 and 24 serves as a rotation side end portion 23, and the cover body 20 with respect to the base material 10 with the rotation side end portion 23 as a rotation fulcrum. It is supposed to be rotatable.
In the present embodiment, the rotation side end portion 23 is rotatably connected to the upper surface 10 a side of the base material 10 via the connecting member 4. In the illustrated example, a thin flat sheet-like member is used as the connecting member 4. As such a connecting member 4, an adhesive tape or the like that is attached so as to straddle the upper surface of the rotation-side end portion 23 of the cover body 20 and the upper surface 10 a of the substrate 10 may be employed. Thus, by using the connecting member 4 as a sheet-like member, for example, a reduction in thickness can be achieved as compared with a case where a hinge or the like is used as the connecting member.
In addition, the cover body 20 is good also as a resin plate, a metal plate, etc. which were formed with PET (polyethylene terephthalate) resin etc., for example. Moreover, the thickness dimension of the cover body 20 is good also as about 0.1 mm-1 mm.

The soaking sheet 25 is provided so as to cover the upper surface 10a side of the substrate 10 including the upper surface 20a of the cover body 20 (see FIG. 3).
The soaking sheet 25 is a thin sheet (film) and is formed of a material having high thermal conductivity. For example, a sheet formed of a metal material such as aluminum may be used. The soaking sheet 25 is adhered by an adhesive or the like over the entire upper surface 20a of the cover body 20 and the entire upper surface 10a of the substrate 10 excluding the upper surface 20a of the cover body 20.
The heat transfer member 5 is in contact with the heat equalizing sheet 25 and the heat medium pipe 2 is in contact with or in close proximity, so that the heat equalization is improved.

Further, as shown in FIGS. 1C and 1D, the soaking sheet 25 has the other side end portion (cut-in side end) of the remaining two side end portions 23 and 24 of the cover body 20. Part) 24 is provided so as to extend along the part 24).
The soaking sheet 25 provided with the cut portion 26 in this way has a structure in which a portion (a cover body upper surface side portion) 25 a on the upper surface 20 a side of the cover body 20 can rotate together with the cover body 20. That is, the cover body upper surface side portion 25 a of the soaking sheet 25 is rotatable with respect to the base material 10 together with the cover body 20 with the rotation side end 23 of the cover body 20 as a rotation fulcrum.
The cut portion 26 of the soaking sheet 25 may be formed as follows, for example. After the cover body 20 is disposed on the base material 10, the soaking sheet 25 is attached to the upper surface 10 a side of the base material 10 including the upper surface 20 a. Then, the cut portion 26 may be formed by cutting the soaking sheet 25 along the cut side end portion 24 of the cover body 20 by an appropriate cutting means or the like. Moreover, after sticking the soaking sheet 25 in this way, it replaces with the aspect which forms the notch | incision part 26, it cuts into the soaking sheet 25 previously according to the position of the cut side edge part 24 of the cover body 20. FIG. It is good also as an aspect which forms the insertion part 26. FIG.

In this embodiment, as shown in FIGS. 1A, 1 </ b> C, and 1 </ b> D, the cover recess 13 that receives the cover body 20 is provided at the corner of the base material 10.
The cover recess 13 is formed so as to correspond to the cover body 20 and has approximately the same size and shape as the cover body 20. That is, when the cover body 20 is closed and the cover body 20 is received in the cover recess 13, the upper surface 10 a of the substrate 10 and the upper surface 20 a of the cover body 20 are substantially flush with each other.
The cover recess 13 has a shape that opens upward and toward the two sides 15 and 16 of the base material 10, and has a bottom surface 13 a that is substantially parallel to the top surface 10 a of the base material 10 and two surfaces that are substantially orthogonal to the bottom surface 13 a. It is partitioned by inner wall surfaces 13b and 13c. In a state where the cover body 20 is received in the cover recess 13, the end surface of the rotation side end 23 of the cover body 20 is brought into contact with one inner wall surface 13 c of the cover recess 13. Further, in a state where the cover body 20 is received in the cover recess 13, the end surface of the cut-side end 24 of the cover body 20 is brought into contact with the inner wall surface 13 b of the cover recess 13.
The depth dimension of the cover recess 13 (thickness dimension of the cover body 20) is set to the piping groove 11 formed on the bottom surface 13a side of the cover recess 13 and the heat medium pipe 2 housed in the housing recess 12. Alternatively, it may be set as appropriate so that the cover 20 does not interfere with the connection portion 3.

According to the floor heating panel 1 according to the present embodiment configured as described above, the workability when connecting the heat medium pipes 2 and 2 of the adjacent floor heating panels 1 and 1 without impairing the thermal uniformity is improved. In addition, it is possible to reduce heat loss at the connection site while simplifying the structure.
That is, since the soaking sheet 25 is provided on the upper surface 20a of the cover body 20 that covers the housing recess 12 of the connecting portion 3 that connects the heat medium pipes 2 and 2 of the adjacent floor heating panels 1 and 1, the relevant part In this case, the soaking property is not impaired.
Further, the cover body 20 is rotatably held on the upper surface 10a side of the base material 10, and the upper surface 20a side of the cover body 20 is formed by a cut portion 26 formed in the soaking sheet 25 on the upper surface 10a side. The soaking sheet 25 is rotatable. Therefore, by rotating the cover body 20 to open the storage recess 12, the heat medium pipes 2 and 2 of the adjacent floor heating panels 1 and 1 can be easily connected to each other. Workability can be improved.
Further, the cover body 20 has a substantially rectangular flat plate shape in which one side end portion (rotation side end portion) 23 is rotatably held on the upper surface 10 a side of the base material 10. The structure of itself can be simplified.
Moreover, since the storage recess 12 covered with the cover body 20 is provided at the corner on the upper surface 10a side of the base material 10, the heat medium pipes 2, 2 of the adjacent floor heating panels 1, 1 are connected to each other. The base material 10 is also present on the lower side of the connecting portion 3 to be performed, and heat loss at the site can be reduced.

Moreover, in this embodiment, the cover recessed part 13 which receives the cover body 20 is provided in the corner part of the base material 10 so that the upper surface 10a of the base material 10 and the upper surface 20a of the cover body 20 may become substantially flush.
Therefore, when the cover body 20 is closed, the upper surface 20a of the cover body 20 is substantially flush with the upper surface 10a of the base material 10, and the upper surface of the floor heating panel 1 resulting from the provision of the cover body 20 is provided. The step on the (upper surface of the soaking sheet 25) side can be substantially eliminated.
Further, when the cover body 20 is closed, the end surface of the cut-side end portion 24 of the cover body 20 is closed so as to come into contact with the corresponding inner wall surface 13b of the cover recess 13 so that the base body 20 is closed. Positioning of the cover body 20 with respect to the material 10 can be easily performed. In addition, as a result, when adhering the soaking sheet 25 or when closing the cover body 20, the two adjacent side edges 21 and 22 of the cover body 20 and the two sides 15 at the corner of the base material 10. , 16 can be suppressed. Further, the movement of the cover body 20 in the closed state toward the cut-side end portion 24 can be restricted by the inner wall surface 13b of the cover recess 13.

Next, another embodiment according to the present invention will be described with reference to the drawings.
FIG. 4 is a diagram schematically illustrating an example of the floor heating panel according to the second embodiment.
Note that differences from the first embodiment will be mainly described, and the same components will be denoted by the same reference numerals, and description thereof will be omitted or simplified.

As shown in FIG. 4, the floor heating panel 1 </ b> A according to the present embodiment replaces the cover recess 13 described in the first embodiment at the corner of the base material 10 </ b> A, and cuts the side end of the cover body 20. The positioning convex part 14 with which the part 24 contacts is provided.
As shown in FIG. 4, the positioning convex portion 14 is provided so as to protrude upward from the upper surface 10Aa of the base material 10A.
The positioning convex portion 14 is formed so that the end surface of the cut-side end portion 24 of the cover body 20 contacts the one side surface 14a of the positioning convex portion 14 when the cover body 20 is closed. It is provided on the upper surface 10Aa side of the material 10A.
In the illustrated example, the elongated convex protrusion positioning convex portion 14 is integrally formed over substantially the entire length in the longitudinal direction of the cut-side end portion 24 of the cover body 20.
The projecting dimension of the positioning protrusion 14 from the upper surface 10Aa of the base material 10A may be approximately the same as the thickness dimension of the cover body 20, or may be smaller than that, for example, 0.1 It may be about ˜1 mm. Further, the positioning convex portion 14 is not limited to the elongated convex strip as shown in the figure, and may be, for example, a positioning convex portion 14 composed of a plurality of protruding portions provided at appropriate intervals.

The floor heating panel 1 </ b> A according to the present embodiment having the above-described configuration also has substantially the same effects as those of the first embodiment described above.
That is, in this embodiment, the positioning convex part 14 with which the notch side edge part 24 of the cover body 20 is contact | abutted is provided in the corner part of 10 A of base materials. Therefore, similarly to the first embodiment, when the cover body 20 is closed, the cover body 20 can be easily positioned with respect to the base material 10A. In addition, as in the first embodiment, the two adjacent end portions 21 and 22 of the cover body 20 and the base material 10A when the soaking sheet 25 is pasted or when the cover body 20 is closed. It is possible to suppress the positional deviation between the two corners 15 and 16 at the corners. In addition, the positioning convex portion 14 can restrict the movement of the cover body 20 in the closed state toward the cut end 24 side.

In the first embodiment, the cover concave portion 13 is provided. In the second embodiment, the positioning convex portion 14 is provided at the corner of the base material 10 (10A). It is not limited. It is good also as an aspect which provides both the cover recessed part 13 and the positioning convex part 14 in the corner part of the base material 10 (10A), and you may make it not provide such a cover recessed part 13 and the positioning convex part 14 further. .
Further, in the above-described example, the storage recesses 12 of the connection portion 3 are respectively provided at the two corners on the diagonal line of the base material 10 (10A), and the cover bodies 20 that cover the storage recesses 12 are respectively provided. However, the present invention is not limited to such a mode. For example, instead of a mode in which the housing recess 12 of the connecting portion 3 is provided in the other corner (upper left corner in FIG. 2), a pipe that serves as a drawing path (feeding path to the floor below) of the heat medium pipe 2 It is good also as an aspect which provided the cover body 20 which provided a hole and covers this piping hole or its connection part. Moreover, it is good also as an aspect which each provided the storage recess 12 of the connection part 3 in the three corners and four corners of the base material 10 (10A), and provided the cover body 20 which covers each storage recess 12, respectively. .

DESCRIPTION OF SYMBOLS 1,1A Floor heating panel 2 Heat-medium pipe | tube 3 Connection part 10,10A Base material 10a, 10Aa Upper surface 11 Piping groove 12 Storage recess 13 Cover recessed part 14 Positioning convex part 15, 16 Two sides of corner part 20 Cover body 20a Upper surface 21, 22 Base side edge (side edge)
23 Rotating side end (side end)
24 Cut end (side end)
25 Soaking sheet 25a Cover body upper surface side part (cover upper surface side part)
26 Cut section

Claims (3)

A floor heating panel comprising: a heat medium pipe serving as a flow path for the heat medium; and a substantially rectangular flat plate-like base material provided with a concave groove for piping in which the heat medium pipe is disposed on the upper surface side,
In the corner on the upper surface side of the base material, a storage recess of a connecting portion for connecting the heat medium tubes of adjacent floor heating panels is provided,
The two side edges adjacent to each other on both sides of the corner of the base material cover the storage recess, and one side edge of the remaining two side edges is the A substantially rectangular flat cover body rotatably held on the upper surface side of the substrate;
The upper surface side of the base material including the upper surface of the cover body is covered, and a cut portion is provided so as to be along the other side end portion of the remaining two side end portions of the cover body. A floor heating panel, comprising: a heat sheet, wherein a portion of the soaking sheet on the upper surface side of the cover body is rotatable together with the cover body. In claim 1,
A floor heating panel for receiving the cover body is provided at the corner of the base material so that an upper surface of the base material and an upper surface of the cover body are substantially flush with each other. . In claim 1,
The floor heating panel according to claim 1, wherein a positioning convex portion with which the other side end portion of the cover body abuts is provided at the corner portion of the base material.

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