JPH04251128A - Floor plate structure for underfloor heating - Google Patents

Abstract

PURPOSE:To directly nail a finishing member to the upper surface of a floor board unit by interposing a planer-like heating member between a front plate and a rear plate having a sufficient thickness to be nailed, pulling out connecting lines for electrically connecting the floor boards to each other through the rear plate up to the lower surface. CONSTITUTION:A floor board unit 10 is constructed such that a concave part 2a for storing a planer-like heater member 6 in it is formed up to a place near a circumferential edge of a rear board 2 at an upper surface of the board 2 piled up on a front board 1. Both sides of the concave part 2a are formed with nail driving portions 2b for nail driving the floor board unit 10 to a floor joist. The planer-like heater member 6 is constructed such that a rear board side of the heater 4 is provided with an over-heating preventing device 5 and at the same time a surface of the heater 4 is covered by a metallic sheet 3. In addition, the connecting lines 11 for use in electrically connecting the adjoining floor board unit 10 from each other are passed through the wiring holes formed in the rear board 2 and pulled out downwardly to the floor board unit 10. With such an arrangement, since the front board 1 has a desired thickness, a finishing member can be directly nailed to the upper surface.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a floorboard unit for floor heating, and more particularly to a floorboard unit for floor heating that heats a room using a planar heating element.

0002

[Prior Art] <Prior Art> Conventionally, a floorboard unit for underfloor heating has a heating element placed on top of a resin or plywood, and the surface of the heating element is covered with a metal plate. There are two types of floor heating systems used: hard panel type and recessed type between the joists.

In the former case, as shown in FIG. 5, floorboard units 33 with a board width corresponding to the pitch between the joists 31 are placed on a first plywood 32 laid on top of the joists 31, each with a small joist 34. A second plywood 35 is placed on the top surface of the plywood 35, and a finishing material 36 is nailed to the second plywood 35 on the top surface. On the other hand, in the latter case, as shown in FIG. 6, the floorboard units 41 are installed between the joists 42, and the finishing material 43 is laid on the upper surface of each floorboard unit 41 and the joists 42. The structure is as follows.

0004

[Problems to be Solved by the Invention] However, since the surface of the conventional floorboard unit is covered with a metal plate, direct nailing cannot be performed. Therefore, in hard panel type floor heating, as described above, in order to lay and nail the finishing material 36 on the upper surface of the floorboard unit 33,
plywood 35, a small joist 34 was required to fix the second plywood 35, and a first plywood 32 was required to fix the small joist 34. Therefore, there was a problem that the structure of the floor heating as a whole became complicated and the construction took time and effort. Furthermore, since the second plywood 35 is interposed between the floorboard unit 33 and the finishing material 36, there is also a problem of poor thermal conductivity.

On the other hand, in floor heating that is installed between the joists, the floorboard unit 41 is installed between the joists 42, so the finishing material 43 can be fixed to the joists 42 by nailing.
On the other hand, since the floorboard unit 41 no longer exists in the portion directly above each joist 42, there is a problem in that the temperature distribution of the floor heating varies. Furthermore, in any type of floor heating, the adjacent floorboard units 33, 4
Since the crossover wire that electrically connects the two units is routed along one end of the floorboard unit, the one end has a width of approximately 1
There is also the problem that the heating element is not present for about 0 cm, and the temperature distribution of the floor heating further varies.

The present invention has been made to solve the above-mentioned problems, and allows direct nailing, simplifying the structure of floor heating, improving workability, and reducing variations in temperature distribution. To provide a floorboard unit for floor heating with less heating.

[0007]

[Means for Solving the Problems] The floorboard unit of the present invention is a floorboard unit for floor heating that is laid across between joists, and includes a wooden top plate having a thickness that allows nailing. A planar heating element is interposed between this top board and a wooden back board laminated to the vicinity of the periphery of the top board and back board, and adjacent floor board units are electrically connected to each other. It is characterized by a crossing line that passes through the back plate and extends to the bottom side.

[0008]

[Operation] According to the floor plate unit for floor heating with the above configuration,
Since the top board has a thickness that allows nailing, the floorboard unit can be nailed using the top board. Therefore, the finishing material can be directly nailed and fixed to the upper surface of the floorboard unit without using the second plywood described above, and construction can be performed without requiring the first plywood or small joists as described above. In addition, the planar heating element is interposed between the top plate and the back plate up to the vicinity of the periphery of the top plate and the back plate, and the power connection wiring is drawn out to the back side of the back plate, so the periphery of the floor plate unit parts can also be heated.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Examples will be explained in detail below with reference to the accompanying drawings showing examples. FIG. 1 shows a floorboard unit 1 showing one embodiment of the present invention.
FIG. In the figure, reference numeral 1 indicates a wooden top plate such as plywood, and this top plate 1 has a minimum thickness (for example, about 12 mm) that allows nailing of finishing material (not shown) placed on the top surface. )have.

Reference numeral 2 indicates a wooden back plate laminated to the front plate 1. On the upper surface side of this back plate 2, there is a planar heating element 6 inside.
A recessed portion 2a for accommodating the floorboard unit 10 is formed up to the vicinity of the peripheral edge of the back plate 2, and nailing portions 2b for nailing the floorboard unit 10 to a joist (not shown) are formed on both sides of the recessed portion 2a. There is. The recessed portion 2a can be formed, for example, by fixing a frame along the upper edge of the back plate 2. The width of the nailing portion 2b is preferably about 15 to 20 mm, as the narrower the width of the nailing portion 2b is, the smaller the area of the unheated portion is, but considering the connection strength between adjacent floorboard units 10.

The planar heating element 6 includes a heater 4, an overheating prevention device (overheating prevention) 5 provided on the back side of the heater 4,
It is composed of a metal sheet 3 that covers the surface of a heating element 4. The heater 4 arranges conductive tapes alternately or at required intervals with respect to non-conductive tapes in the longitudinal or latitudinal direction, and arranges non-conductive tapes in a direction intersecting the conductive tapes and the non-conductive tapes. It is made by arranging tapes and woven into a plain weave structure, and electrode strips are provided at regular intervals in the direction in which the conductive tapes intersect. By connecting a conductive tape to this electrode band and energizing it, the conductive tape generates Joule heat according to the resistance value between the electrode bands, thereby performing floor heating. A crossover wire 11 that electrically connects adjacent floorboard units 10 is drawn out below the floorboard unit 10 through a wiring hole (see FIG. 2) formed in the back plate 2.

The overheating prevention device 5 is composed of a thermostat or the like, and functions to prevent the heater 4 from overheating and maintain the planar heating element 6 at a set temperature. Further, the metal sheet 3 is made of a metal having good thermal conductivity, such as an aluminum sheet, and serves to protect the surface of the heater 4 and to uniformly transmit the heat of the heater 4 to the top plate 1. Next, a method for installing floor heating using this floorboard unit 10 will be described with reference to FIG.

First, the heat insulating material 9 is placed between the joists 7 so that the top surface of the joists 7 and the top surface of the heat insulating material 9 are flush with each other. Next, the floorboard unit 10 is laid across the joists 7, and fixed to the joists 7 by nailing through the nailing portions 2b. In this way, the heat of the floorboard unit 10 is prevented from escaping to under the floor. Next, the finishing material 8 is placed on the upper surface of the floorboard unit 10, and the top board 1 and the finishing material 8 are fixed by nailing. As the finishing material 8, for example, a flooring board or plastic decorative plywood is used, and as the heat insulating material 9, a plastic material such as polystyrene or polyurethane is preferably used. Note that after installing the floorboard unit 10, the crossing line 1 of the adjacent floorboard unit 10 may be
1 are connected to each other via a connector 13 on the back side of the floorboard unit 10 (see FIG. 2).

In this way, the floorboard unit 10 of this embodiment
Since the planar heating element 6 is interposed between the top plate 1 and the back plate 2 having a thickness that allows nailing, the finishing material 8 can be directly nailed onto the floorboard unit 10. As a result, the second plywood for fixing the finishing material required in hard panel floor heating, the small joist for fixing this second plywood, and the small joist for fixing this small joist. The first plywood is no longer necessary. Therefore, the structure of the floor heating as a whole becomes simple and construction becomes easy. Additionally, a second
Since there is no plywood involved, thermal conductivity is improved. Furthermore, a planar heating element 6 is interposed between the top plate 1 and the back plate 2 up to the vicinity of the periphery of the top plate 1 and the back plate 2, and the crossover wire 11 is drawn out to the back side of the floor plate unit 10. Since it is possible to prevent the generation of unheated parts due to the wires 11 across the floorboard unit 10 and to heat almost the entire surface of the floorboard unit 10, there is very little variation in the temperature distribution of the floor heating.
Underfloor heating with good temperature distribution is possible.

The floor plate unit for floor heating according to the present invention is not limited to the above-mentioned embodiments, and various design changes can be made without changing the gist of the present invention. For example, as shown in FIG. 4, the planar heating element 6 may have a structure in which a heat storage material 19 is placed on the upper surface of the metal sheet 3. In this case, the heat of the heater 4 is made even more uniform, and the top plate , and the heat retention ability also increases.

Further, in the above embodiment, the heater 4 is shown as being in the form of a fabric, but the heater 4 may be, for example, in the form of a fabric.
A heat generating layer is formed by applying carbon particles dispersed in a plastic binder to a sheet or cloth, and an electrode wire is fixed to this layer, or a heat generating wire made of a metal resistor is meandered through an interlining. It is also possible to arrange the Furthermore, although a construction example has been described in which the finishing material 10 is nailed and fixed to the upper surface of the floorboard unit 10, a carpet, a carpet, a vinyl sheet, etc. may be used instead of the finishing material 10, and it may be adhered to the upper surface of the floorboard unit 10. They may be bonded together using an adhesive or the like.

[0017]

As described above, in the floorboard unit of the present invention, the finishing material can be directly nailed and fixed to the top surface of the floorboard unit without using plywood, so the plywood for fixing the finishing material, Construction can be carried out without constructing small joists or the like for fixing the plywood, simplifying the construction of the floor heating, thereby improving workability, and improving thermal conductivity, which helps in energy saving. In addition, the planar heating element is interposed close to the periphery of the top plate and back plate, and the crossover wire is drawn out to the back side of the back plate 2, so the periphery of the floorboard unit can also be heated, and the temperature of the floor heating Variations in distribution are extremely reduced, allowing for floor heating with good temperature distribution.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view showing a floorboard unit for floor heating according to an embodiment of the present invention.

FIG. 2 is a perspective view showing the bottom side of the floorboard unit.

FIG. 3 is a sectional view showing the construction of floor heating using the above embodiment.

FIG. 4 is a sectional view showing a floorboard unit according to another embodiment of the present invention.

FIG. 5 is a sectional view showing the configuration of a conventional hard panel type floor heating system.

FIG. 6 is a sectional view showing the configuration of a conventional floor heating system that is installed between the joists.

[Explanation of symbols]

1　Top plate 2　Back plate 6 Planar heating element 7 Joists 11 Crossing line

Claims (1)

[Claims] Claim 1: A floorboard unit (10) for floor heating that is laid across between joists (7), comprising: a wooden topboard (1) having a thickness that allows nailing; Board (
1) A planar heating element (6) is placed between the top plate (1) and the back plate (2).
A crossover wire (11) is provided up to the vicinity of the peripheral edge of the
) is pulled out to the bottom side through the back plate (2).