JPH11287467A - Floor heating panel and floor heating structure using floor heating panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a floor heating panel and a floor heating structure using the floor heating panel for suppressing reduction of strength caused by incorporating a plane heating body into a panel main body, and reducing manufacturing cost. SOLUTION: A floor heating structure using a floor heating panel comprises a plane heating body 35 with an electric heater 37 comprising a line heater laid along a specified heater pattern being adhered on one side of a heat equalizing sheet 36, a panel main body 31 comprising a panel base material 32 provided with a concave storage part 32a for storing this plane heating body 35, a blocking plate 33 for blocking the concave storage part 32a and a surface decoration material 34. In this case, on one side of the heat equalizing sheet 36 are adhered between the line heaters a number of spacers 38 made up of a spherical object of almost the same diameter as the diameter of the line heater for filling a void formed between the heat equalizing sheet 36 and the panel base material 32 with the plane heating body 35 stored in the concave storage part 32a.

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 having a built-in planar heating element in which an electric heater composed of a wire heater is adhered and fixed to a lower surface of a heat equalizing sheet having good heat conductivity.

[0002]

2. Description of the Related Art As a floor heating panel having a built-in heating element such as an electric heater, as shown in FIGS. 9 and 10, a floor heating panel 6 integrated with a floor finishing material used as a floor finishing material is used.
0 and a floor heating panel 70 of a floor finishing material separation type used as a floor base material.

[0003] These floor heating panels 60 and 70 are made of heat equalizing sheets 62 and 72 having good thermal conductivity such as aluminum foil.
On one surface side, planar heating elements 61, 71 to which electric heaters 63, 73 composed of line heaters laid along a predetermined heater pattern are fixed, and the planar heating elements 61, 71 are built in. It is composed of panel bodies 64 and 74,
The panel main bodies 64 and 74 are provided with panel base materials 65 and 75 having accommodation recesses 65a and 75a for accommodating the planar heating elements 61 and 71, and closing plates 66 and 76 for closing the accommodation recesses 65a and 75a. It is composed of

As shown in the figure, the housing recesses 65a and 75a are provided on the lower surface side of the panel base material 65 in the case of a floor heating panel 60 integrated with a floor finishing material, and on the floor heating material separation type floor heating. In the case of the panel 70, it is generally formed on the upper surface side of the panel base material 75. In the case of the floor heating panel 60 integrated with the floor finishing material, the closing plates 66 and 76 are also formed.
5, a floor heating panel 7 of a floor finishing material separation type.
In the case of 0, they are attached to the upper surface side of the panel base material 75, respectively.

By the way, the planar heating elements 6 are simply placed in the receiving recesses 65a, 75a formed in the panel base materials 65, 75.
In the state where the first and the first are accommodated, the accommodation recesses 65a and 75 are provided.
When a is closed by the closing plates 66 and 76, a gap is formed between the panel base materials 65 and 75 and the closing plates 66 and 76 in the portion where the wire heater does not exist, so that the panel body 64 in the gap portion is formed. , 74 decrease in strength,
The housing recess 6 of the floor heating panels 60 and 70 in the constructed state
When a load is locally applied to the portions corresponding to 5a and 75a, the panel base material 65 and the closing plate 76 on the upper side of the gap part partially sink, and the wire heater in the vicinity is pressurized, The electric heaters 63 and 73 may be damaged.

For this reason, conventionally, as shown in FIGS. 9 and 10, each of the receiving recesses 65a and 75a has
Heater accommodating grooves 65b and 75b are formed in advance along the heater pattern, into which the line heaters fixed to 2, 72 are fitted.

[0007]

As described above, if the heater accommodating grooves 65b, 75b into which the line heaters are fitted are formed in the accommodating recesses 65a, 75a in advance, the portion where the line heaters are not present can be formed on the panel base. Materials 65, 75 and closing plate 66,
76 are in contact with each other via the heat equalizing sheets 62 and 72, so that no gap is formed, and the panel main body 64 generated when the sheet heating elements 61 and 71 are built in the panel main bodies 64 and 74. , 74 can be suppressed from decreasing.

However, in order to form the heater accommodating grooves 65b and 75b into which the linear heaters are fitted in the accommodating concave portions 65a and 75a, it takes time and labor to engrave the grooves along the heater pattern by router processing or the like. Work had to be performed, and there was a problem that the manufacturing cost of a floor heating panel became high.

Accordingly, an object of the present invention is to provide a floor heating panel and a floor heating panel capable of suppressing a reduction in strength caused by incorporating a planar heating element into a panel main body and reducing manufacturing costs. It is to provide a floor heating structure using the floor heating panel.

[0010]

In order to solve the above problems, the present invention comprises a line heater laid along a predetermined heater pattern on one side of a heat equalizing sheet having good heat conductivity. In a floor heating panel in which a planar heating element to which an electric heater is fixed is incorporated in a panel main body, a spacer that fits between the line heaters is disposed between one surface side of the heat equalizing sheet and the panel main body. It is.

In the floor heating panel configured as described above, since the spacers are provided in the portions between the line heaters where the gaps are originally formed, the troublesome processing of forming the heater accommodating grooves in the panel body is performed. In addition, it is possible to effectively suppress a decrease in the strength of the panel body caused by incorporating the planar heating element.

In the case where the panel main body is formed by a panel base material having an accommodation recess for accommodating the planar heating element and a closing plate for closing the accommodation recess, the spacer is made uniform. It is desirable that the heat sheet be fixed to one side of the heat sheet, one of the accommodation recesses or the closing plate.

In particular, if the spacer is formed of a granular material, an adhesive layer or an adhesive layer is formed on one side of the heat equalizing sheet, the accommodation recess or the installation area of the spacer in the closing plate, and the granular material is formed thereon. By distributing a plurality of spacers made of an object, the spacers can be easily and reliably installed at predetermined positions.

When the floor heating panel configured as described above is used as a floor finishing material, the floor finishing material made of the floor heating panel is placed on a plurality of joists arranged in parallel at regular intervals. The floor heating structure can be constructed by laying directly or via a floor base material.

When the floor heating panel constructed as described above is used as a floor base material, the floor heating panel may be directly or separately placed on a plurality of joists arranged in parallel at regular intervals. The floor heating material can be constructed by laying through the floor base material and laying the floor finishing material thereon.

[0016]

Embodiments will be described below with reference to the drawings. As shown in FIG. 1, the floor heating structure 1 includes a plurality of joists 10 arranged in parallel at regular intervals so as to be orthogonal to
A floor base material 20 laid on the floor, a floor heating material integrated floor heating panel 30 laid on the floor base material 20,
And a heat insulating member 40 disposed between the joists 10.

The floor heating panel 30 is shown in FIGS.
As shown in the figure, a panel body 31 constituting a floor finishing material,
It is composed of a planar heating element 35 and a spacer 38 housed in the panel main body 31.

The panel body 31 includes the planar heating element 3.
A panel base 32 made of a three-ply plywood or a five-ply plywood having an accommodation recess 32a for accommodating 5 on the lower surface side, and a closing plate 33 made of a high-pressure melamine plate or the like closing the accommodation recess 32a. , A surface decorative material 34 such as a veneer attached to the upper surface of the panel base material 32,
The closing plate 33 is adapted to close the housing recess 32a by being fitted into a fitting recess 32b formed on the lower surface side of the panel base 32 and screwed to the panel base 32.

As shown in FIGS. 3 and 4, the sheet heating element 35 is laid along a predetermined heater pattern on one side of a heat equalizing sheet 36 having good thermal conductivity such as aluminum foil. An electric heater 37 composed of a wire heater is fixed, and the planar heating element 35 is accommodated in the accommodating recess 32a so that the electric heater 37 faces upward.

As shown in FIGS. 2 and 3, on one surface side of the heat equalizing sheet 35 to which the electric heater 37 is fixed, the sheet heating element 35 is housed in the housing recess 32a. In order to fill the gap formed between the wire heater 36 and the panel base material 32, a large number of spacers 38 made of a sphere having substantially the same diameter as the wire heater are fixed between the wire heaters. Is made of a material having good thermal conductivity such as aluminum.

The floor heating panel 30 constructed as described above
When the sheet heating element 35 is accommodated in the accommodation recess 32a,
Since the gap formed between the heat equalizing sheet 36 and the panel base material 32 is filled with the spacer 38, even when a load is locally applied to the housing portion of the floor heating panel 30 where the planar heating element 35 is accommodated. In addition, since the panel base 32 does not partially sink, the reduction in the strength of the panel body 30 due to the accommodation of the planar heating element 35 can be suppressed, and the electric heater 37 can be prevented from being damaged.

Further, since a spherical material is used as the spacer 38 for filling the space between the wire heaters, an adhesive layer or an adhesive layer is formed in the installation region of the spacer 38, and a large number of the spacers 38 made of the spherical material are formed thereon. By dispersing the spacers, the spacer 38 can be efficiently installed at a predetermined position.

Therefore, in the floor heating panel 30 integrated with the floor finishing material, a heater accommodating groove into which the line heater fits is formed in the panel main body in order to secure panel strength, as in a conventional floor heating panel. There is no need to perform complicated processing, and it can be manufactured at low cost.

Further, since the spacer 38 is formed of a material having good heat conductivity such as aluminum, the heat of the electric heater is efficiently transmitted to the panel base 32 via the heat equalizing sheet 36 and the spacer 38. Therefore, an effect of increasing the temperature can be expected even in a region where the electric heater 37 of the planar heating element 35 does not exist.

In this embodiment, the electric heater 37
The planar heating element 35 is accommodated in the accommodating recess 32a such that the sheet heating element 35 is located upward, as shown in FIG. 5, for example, as shown in FIG. Recess 3
2a can also be accommodated. However, in that case,
By forming the separator 38a provided between the line heaters from plastic foam such as styrene foam or urethane foam having excellent heat insulation performance, the heat of the electric heater 37 transmitted to the heat equalizing sheet 36 is transferred to the panel body 31. It is desirable not to escape to the lower side.

In this embodiment, the spacer 38 made of a spherical material is used. However, the present invention is not limited to this. As shown in FIG. 6, a sheet having a thickness substantially equal to the diameter of the wire heater is used. Spacer 38b made of a plate or plate
It is also possible to use

In this floor heating structure 1, the floor base material 20 is separately laid under the floor heating panel 30, but if the floor heating panel 30 itself has sufficient strength, It is not necessary to provide the floor base material 20, and the joist 10
The floor heating panel 30 may be laid directly on the floor.

FIGS. 7 and 8 show another embodiment. As shown in FIG. 7, the floor heating structure 2 is provided with a plurality of joists 10 arranged in parallel at regular intervals so as to be orthogonal to a not-shown pulley, and laid on the joists 10. Floor covering material 20, a floor heating panel 50 of a floor finishing material separation type laid on the floor covering material 20, a floor finishing material 60 laid on the floor heating panel 50, and a joist 10. And a heat-insulating member 40 disposed at the same position.

As shown in FIG. 8, the floor heating panel 50 includes a panel body 51 constituting a floor base material, a planar heating element 54 and a spacer 5 housed in the panel body 51.
7 is comprised.

The panel body 51 includes the planar heating element 5.
A panel base 52 made of a three-ply plywood or a five-ply plywood having an accommodation recess 52a for accommodating 4 on the upper surface side, and a closing plate 53 made of a high-pressure melamine plate closing the accommodation recess 52a. The closing plate 53 is fitted into a fitting concave portion 52b formed on the upper surface side of the panel base material 52 and screwed to the panel base material 52 so as to close the housing concave portion 52a. It has become.

As shown in the figure, the sheet heating element 54 is made of a heat equalizing sheet 5 made of aluminum foil or the like having good heat conductivity.
An electric heater 56 composed of a line heater laid along a predetermined heater pattern is fixed to one surface side of the sheet heating device 5. Are housed in the housing recess 52a.

As shown in FIG. 3, the heat equalizing sheet 55 with the sheet heating element 54 housed in the housing recess 52a is provided on one surface side of the heat equalizing sheet 55 to which the electric heater 56 is fixed.
In order to fill the gap formed between the wire heater 5 and the panel base material 52, a large number of spacers 57 composed of spherical bodies having substantially the same diameter as the wire heater are fixed between the wire heaters. Is formed of a plastic foam such as styrofoam or urethane foam having excellent heat insulation performance.

The floor heating panel 50 constructed as described above
Is a planar heating element 5 similar to the floor heating panel 30 described above.
4 is accommodated in the accommodating recess 52a, a gap formed between the heat equalizing sheet 55 and the panel base material 52 forms a spacer 57.
Even when a load is locally applied to the accommodation portion of the planar heating element 54 of the floor heating panel 50, the closing plate 53 does not partially sink, and the planar heating element 54 is It is possible to suppress a decrease in the strength of the panel main body 51 due to the accommodation and prevent the electric heater 56 from being damaged.

Further, since a spherical object is used as the spacer 57 for filling the gap between the line heaters, the spacer 57 is provided in the installation area of the spacer 57 (between the line heaters of the heat equalizing sheet 55) as in the case of the floor heating panel 30 described above. 57 can be installed efficiently.

Therefore, in the floor heating panel 50 of the floor finishing material separation type, unlike the conventional floor heating panel, a heater accommodating groove into which the line heater fits is formed in the panel body in order to secure panel strength. There is no need to perform complicated processing, and it can be manufactured at low cost.

In this floor heating structure 2, the floor base material 20 is separately laid under the floor heating panel 50. However, if the strength of the floor heating panel 50 itself is sufficiently ensured, It is not necessary to provide the floor base material 20.

Further, in the floor heating structure 2, the floor finishing material 60 is laid directly on the floor heating panel 50. However, heat conduction such as aluminum foil is provided between the floor heating panel 50 and the floor finishing material 60. If a heat equalizing sheet having good properties is provided, the heat of the floor heating panel 50 can be uniformly transmitted to the floor finishing material 60.

In each of the above embodiments, the spacers 38, 38a, 38b, and 57 are provided with the heat equalizing sheets 36, 55.
However, it is not always necessary to be fixed, and it is also possible to fix to the accommodating recess 32a of the panel base material 32, the accommodating recess 52a of the panel base material 52, and the closing plate 33.

In each of the embodiments described above, the spacers 38, 38a and 57 made of a spherical material are used. However, the spacers 38, 38a and 57 are not necessarily made of a spherical material. For example, a spacer made of a polyhedron or an irregular shaped granular material is used. Can also be used.

As the material of the spacers 38, 38a, 38b and 57, in addition to the above-mentioned foams of aluminum and plastic, inorganic materials such as silica gel having excellent humidity control performance, and activated carbon having excellent deodorizing performance can be used. And the like, and further, rubber recycled chips and the like can be appropriately selected and used.

[0041]

As described above, in the floor heating panel of the present invention and the floor heating structure using the floor heating panel, the spacer is arranged between the line heaters of the sheet heating element built in the panel body. As described above, the panel body generated by incorporating the planar heating element into the panel body without performing complicated processing such as forming a heater accommodating groove into which the line heater fits in the panel body as in the related art. The strength of the panel can be effectively suppressed, and even if a load is locally applied to the area where the planar heating element of the floor heating panel is installed in the installed state, the panel base material and the closing plate partially sink And the electric heater of the sheet heating element is not damaged.

Accordingly, this floor heating panel is manufactured more efficiently and at lower cost than the conventional floor heating panel while maintaining the same strength as the conventional floor heating panel in which the heater accommodating groove is formed in the panel body. be able to.

[Brief description of the drawings]

FIG. 1 is a schematic cross-sectional view showing a floor heating structure using a floor heating panel integrated with a floor finishing material according to an embodiment of the present invention.

FIG. 2 is a sectional view showing the floor heating panel of the above.

FIG. 3 is an exploded sectional view showing the floor heating panel according to the first embodiment.

FIG. 4 is a plan view showing a planar heating element used for the floor heating panel of the above.

FIG. 5 is a sectional view showing a modified example of the floor heating panel of the above.

FIG. 6 is a sectional view showing a modified example of the spacer used for the floor heating panel of the above.

FIG. 7 is a schematic cross-sectional view showing a floor heating structure using a floor heating panel of a separate floor finish material according to another embodiment.

FIG. 8 is a cross-sectional view showing the floor heating panel of the above.

FIG. 9 is a schematic sectional view showing a conventional example.

FIG. 10 is a schematic sectional view showing another conventional example.

[Explanation of symbols]

 1, 2 floor heating structure 10 joist 20 floor base material 30, 50 floor heating panel 31, 51 panel body 32, 52 panel base 33, 53 closing plate 35, 54 planar heating element 36, 55 soaking sheet 37, 56 Electric heater 38, 38a, 38b, 57 Spacer 40 Heat insulating member 60 Floor finishing material

Claims (8)

[Claims] 1. A panel-shaped heating element in which an electric heater composed of a wire heater laid along a predetermined heater pattern is fixed on one surface side of a heat equalizing sheet having good thermal conductivity, which is built into a panel body. In the floor heating panel that has been set, between one surface side of the heat equalizing sheet and the panel body,
A floor heating panel, wherein a spacer is provided between the wire heaters. 2. The panel body according to claim 1, wherein the panel body is formed by a panel base material having an accommodation recess accommodating the planar heating element, and a closing plate closing the accommodation recess. The floor heating panel according to claim 1, wherein the floor heating panel is fixed to one side of the heat equalizing sheet of the heating element. 3. The panel main body is formed by a panel base material having an accommodation recess for accommodating the planar heating element, and a closing plate for closing the accommodation recess, and the spacer is formed by the accommodation recess. The floor heating panel according to claim 1, wherein the floor heating panel is fixed to a closing plate. 4. The floor heating panel according to claim 1, wherein the spacer is constituted by a plurality of particles. 5. A floor finish comprising a plurality of joists arranged in parallel at regular intervals, and a floor finishing material laid on the joists, wherein the floor finishing material is provided. A floor heating structure formed by the floor heating panel according to 1. 6. The floor heating structure according to claim 5, wherein an underfloor material is provided between the joist and the floor finish material. 7. A plurality of joists arranged in parallel at regular intervals, and laid on the joists.
A floor heating structure comprising: a floor heating panel according to any one of claims 1 to 4, and a floor finishing material laid on the floor heating panel. 8. The floor heating structure according to claim 7, wherein a floor base material is provided between the joist and the floor heating panel.