JPH11270861A - Floor heating panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce labor for installation work and to provide a margin in the dimensional error by forming a small joist and a panel base material integrally and providing the panel base material with a part for containing heating elements. SOLUTION: Engaging parts, i.e., protrusions 1a, at the opposite ends of the tropezoidal cross-section of a small wood joist 1 are engaged with an engaging part, i.e., the fringe part 2b, of a dovetail groove 2a in a panel base plate 2 made of foamed polypropylene to form the small joist 1 and the panel base material 2 integrally. The small joists 1 are arranged in parallel, at a specified interval W, on the panel base material 2 and heating elements, i.e., hot water pipes 4, are arranged in containing parts, i.e., grooves 3, made in zigzag in the panel base material 2. Floor is heated by flowing hot water through the hot water pipes 4. This arrangement reduces labor required for installation work and provides a margin in the dimensional error.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a floor heating panel used for floor heating.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG.
1, a joist 42 is arranged at a predetermined interval at a right angle to the bargain 41, a heat insulating material 43 is arranged between the joists 42, and a rough floor 44 is placed on the joist 42 and the heat insulating material 43. The floor heating panel is installed on a flat surface on the rough floor 44. The floor heating panel includes a small joist 45 provided on the rough floor 44 at a position facing the joist 42 and a panel base material 46 disposed between the small joists 45 and provided with a hot water pipe (not shown). And the aluminum member 47 on the small joist 45 and the panel base material 46. Then, the flooring 48 is directly installed on the aluminum member 47,
The flooring 48, the floor heating panel, and the base material are fixed by nailing through the small joist 45 of the floor heating panel.

[0003]

However, in the above floor heating panel, since the small joist 45 and the panel base material 46 are bonded at the construction site, there is a problem that the number of work steps increases and the cost increases. In addition, since a gap is opened between the small joist 45 and the panel base material 46 for retrofitting at the site, or the small joist 45 and the panel base material 46 are not integrated, the nail is nailed to the small joist 45. Also, the panel base material 46 may not be fixed. Also, since the small joist 45 and the panel base material 46 are separate bodies, high dimensional accuracy is required to match the normal pitch of the joist 42, and when the dimensional accuracy is not sufficient, the small joist 45 and the panel base 46 are not provided. There is a gap between the material 46 and the heat, and heat escapes from the gap, so that there is a problem that the heating efficiency is reduced.

[0004] Therefore, an object of the present invention is to reduce the number of man-hours at the time of construction, to reduce the management cost at the time of manufacture by providing a margin for dimensional errors, and to reliably and securely connect the small joist and the panel base material. An object of the present invention is to provide a floor heating panel that can be fixed without gaps and can improve heating efficiency.

[0005]

According to a first aspect of the present invention, there is provided a floor heating panel for integrally molding a small joist and a panel base and for accommodating a heating element in the panel base. A storage section is provided.

According to the floor heating panel of the first aspect, the small joist and the panel base material integrally formed on the joist which is the structural member of the floor are arranged. At this time, the small joist is nailed to the joist via the small joist so that the small joist is located on the joist, and the small joist and the panel base material are fixed, and flooring is performed thereon. Then, floor heating is performed by a heating element such as a hot water pipe or an electric heater provided in the storage section of the panel base material. As described above, by integrally molding the small joist and the panel base material, the step of bonding the small joist and the panel base material at the construction site is eliminated, and the number of working steps during the construction can be reduced. Further, since the small joist and the panel base material are integrated, the high dimensional accuracy required when they are separated is not required, a margin for dimensional errors can be given, and the management cost during manufacturing can be reduced. . Further, the small joist and the panel base material can be fixed so that no gap is generated between the small joist and the panel base material, and heat can be prevented from escaping from the gap, thereby improving the heating efficiency.

The floor heating panel according to a second aspect is characterized in that, in the floor heating panel according to the first aspect, an engaging portion that engages with the small joist and the panel base material is provided.

According to the floor heating panel of the second aspect, since the small joists and the panel base material are engaged with each other by the engaging portions, the bonding strength between the small joists and the panel base material is increased. The separation between the small joists and the panel base material is prevented, so that workability during construction is improved and reliability is improved.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a floor heating panel according to the present invention will be described in detail with reference to the illustrated embodiments.

FIG. 1A is a sectional view of a main part of a floor heating panel according to an embodiment of the present invention, wherein 1 is a wooden small joist having a trapezoidal cross section, and 2 is a small joist 1 with which the small joist 1 engages. This is a panel base material having a groove 2a. The panel substrate 2 is made of expanded polypropylene, and the small joist 1 and the panel substrate 2 are integrally formed. In the sectional shape of the small joist 1, the projections 1 a as the engaging portions at both ends and the edge 2 b as the engaging portion of the dovetail groove 2 a of the panel base material 2 are engaged with each other, and the small joist 1
And the panel substrate 2 are strengthened. The height A of the small joist 1 is 10 mm, and the width B of the base is 30 to 45.
mm, and the thickness C of the panel substrate 2 is 15 mm.

FIG. 2 is a plan view of the floor heating panel. The rectangular panel base material 2 has a predetermined interval W
(= 303 mm) and the small joists 1 are arranged in parallel.
A hot water pipe 4 as a heating element is disposed in a groove 3 as a storage portion provided in a zigzag shape on the panel base material 2.

The underfloor heating panel having the above structure is installed, for example, instead of the underfloor heating panel on the rough floor 41 shown in FIG. At this time, the positioning is performed so that the position of the small joist 1 corresponds to the joist 42. And the floor heating panel joist 4
A nail (not shown) is driven into the joist 2 through the joist 1 to fix the joist 1 and the panel base material 2 to the joist 42, and the flooring is constructed thereon. Thus, the hot water pipe 4
The floor is warmed and heated by flowing warm water through it. The hot water pipe 4 of the floor heating panel may be disposed in the groove 3 of the panel substrate 2 in advance, or may be disposed in the groove 3 of the panel substrate 2 at the time of on-site construction.

Thus, the small joist 1 and the panel substrate 2
Is integrally formed, the step of bonding the small joist 1 and the panel base material 2 at the construction site is eliminated, and the number of working steps during construction can be reduced. Further, the high dimensional accuracy required when the small joist 1 and the panel base material 2 are separate members is not required, a margin for dimensional errors can be given, and the management cost at the time of manufacturing can be reduced. . Further, the small joist 1 and the panel base material 2 are integrally fixed, and the small joist 1 is fixed.
And the gap between the panel base material 2 and the base member 2 can be eliminated, and the heating efficiency can be improved.

In addition, since the small joist 1 and the panel base material 2 are provided with engaging portions that engage with each other so as to increase the bonding strength between the small joist 1 and the panel base material 2, By preventing separation from the panel base material 2, workability at the time of on-site construction can be improved, and high reliability can be obtained.

In the above embodiment, the hot water pipe 4 as a heating element is disposed in the groove 3 as a storage section for the panel base material 2. However, a heating element such as an electric heater is disposed in the storage section for the panel base material. You may.

In the above-described embodiment, foamed polypropylene is used for the panel base material 2 integrally molded with the small joist 1, but the material of the panel base material is not limited to this, and any foamable resin may be used. Although wood is used for the small joist 1, resin such as high-density foamed polypropylene may be used.

Further, in the above embodiment, the panel base 2 having a substantially trapezoidal cross section and the panel base 2 having the groove 2a of the panel base 2 with which the small joist 1 engages has been described.
Of course, the shape of the groove of the small joist or the panel base material is not limited to this.

For example, as shown in FIG. 1 (B), a protrusion 11a is provided at both ends of a small joist 11 having a substantially trapezoidal cross section, and a panel base 1 made of this small joist 11 and foamed polypropylene is provided.
2 may be integrally formed. Then, the above jojo 11
Of the groove 12a of the projection 11a and the panel base material 12
b engage with each other to increase the bonding strength between the small joist 11 and the panel base material 12.

As shown in FIG. 1C, a small joist 21 having a substantially cross-sectional shape (height H1 = H3 = 4.5 mm, H2 = 6 mm)
And the panel base material 22 made of expanded polypropylene may be integrally formed. Then, the convex portion 21 of the above small joist 21
a and the engaging recesses 22a of the panel base member 22 are engaged with each other to increase the bonding strength between the small joist 21 and the panel base member 22.

Further, as shown in FIG. 1D, a small joist 31 having a trapezoidal cross section and a panel substrate 32 made of expanded polypropylene may be integrally formed. Then, a nonwoven fabric 33 for preventing the small joist 31 from falling off is attached to the lower side of the small joist 31 and its vicinity. By doing so, the projection 31a of the small joist 31 and the edge 32b of the groove 32a of the panel base material 32 engage with each other, and the bonding strength between the small joist 31 and the panel base material 32 is increased.

[0021]

As is apparent from the above description, the floor heating panel according to the first aspect of the present invention is a housing for accommodating a small joist and a panel substrate integrally, and for accommodating a heating element in the panel substrate. Is provided, the step of bonding the small joists and the panel base material at the construction site is eliminated, and the number of work steps during construction can be reduced. Further, since the small joist and the panel base material are integrated, a margin for dimensional error can be given, and the management cost at the time of manufacturing can be reduced. Further, the small joist and the panel base material can be fixed so that no gap is generated between the small joist and the panel base material, and heat can be prevented from escaping from the gap, thereby improving the heating efficiency.

Further, the floor heating panel according to the invention of claim 2 is:
2. The floor heating panel according to claim 1, wherein the small joists and the panel base are provided with engaging portions that engage with each other. And the separation between the small joist and the panel base material is prevented, so that the workability during construction is improved and the reliability is enhanced.

[Brief description of the drawings]

FIG. 1A is a sectional view of a main part of a floor heating panel according to one embodiment of the present invention, and FIGS. 1B to 1D are main parts of a floor heating panel according to another embodiment. FIG.

FIG. 2 is a plan view of the floor heating panel.

FIG. 3 is a cross-sectional view showing a construction state of a conventional floor heating panel.

[Explanation of symbols]

 1, 11, 21, 31 ... small joist, 2, 12, 22, 32 ... panel base material, 2a ... groove, 3 ... hot water panel.

Claims (2)

[Claims] 1. A small joist (1) and a panel base material (2) are integrally formed, and a storage part (2a) for storing a heating element is provided in the panel base material (2). And floor heating panel. 2. The floor heating panel according to claim 1, wherein said small joist (1) and said panel base material (2) are provided with engaging portions that engage with each other. .