JP2015172461A - floor heating panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a floor heating panel capable of suppressing temperature unevenness while providing a small joist long in one direction.SOLUTION: A floor heating panel 1 is configured in such a manner that, on a substrate 10 in which a recessed groove 11 for piping in which a heating medium pipe 21 is disposed is provided on an upper surface side, a notch-like accommodation part 18 is provided in which a small joist 28 long in one direction is accommodated, and a connection part 20 in which recessed grooves 12, 13 for piping are provided in which a plurality of heating medium pipes are accommodated so as to detour the notch-like accommodation part is provided. Also, a red-hot sheet 25 is adhered to the upper surface. It is configured in such a manner that a first heating medium pipe 22 out of the plurality of heating medium pipes in the connection part is brought into contact with the red-hot sheet, whereas a second heating medium pipe 23 out of the plurality of heating medium pipes in the connection part is not directly brought into contact with the red-hot sheet.

Description

  The present invention relates to a floor heating panel provided with a groove for disposing a heat medium pipe in a base material.

Conventionally, there has been known a floor heating panel in which a base plate provided with a groove for piping in which a heat medium pipe is provided is embedded with small joists for fixing a floor finishing material with a fastener such as a nail. ing.
For example, in Patent Document 1 below, a plurality of main groove portions in which a heat medium flow pipe is piped are provided in a base material in parallel with the small joists, and the virtual extensions of the small joists are bypassed so as to bypass the small joists. A floor heating panel having a configuration in which a relay groove portion connected to the groove portion is provided is disclosed. Further, the floor heating panel has a configuration in which a covering member that covers the heat medium flow pipe piped in the relay groove portion so as to prevent penetration of the nail is provided.

JP 2002-106863 A

  However, as in the floor heating panel described in the above-mentioned Patent Document 1, if the small joists are made long to increase the nailing range, a plurality of heat pipes are arranged to bypass the small joists. Media tubes tend to be close together. Thereby, it is considered that the temperature around the part where the plurality of heat medium tubes are close to each other is locally increased, and further improvement is desired.

  This invention is made | formed in view of the said situation, and it aims at providing the floor heating panel which can suppress temperature nonuniformity, providing a long small joist in one direction.

  In order to achieve the above object, a floor heating panel according to the present invention accommodates a small joist long in one direction in a base material provided with a concave groove for piping in which a heat medium pipe is disposed on the upper surface side. Provided with a connecting portion provided with a concave groove for piping in which a plurality of heat medium pipes are accommodated so as to bypass the notch-like accommodation portion, and soaking on the upper surface. It is set as the structure which stuck the sheet | seat, While making the 1st heat-medium pipe | tube of the said some heat-medium pipe | tube in the said connection part contact the said soaking | uniform-heating sheet | seat, it is the some heat-medium pipe | tube in the said connection part. Of these, the second heat medium pipe is configured not to be in direct contact with the soaking sheet.

In the present invention, the depth of the groove for piping that accommodates the second heat medium pipe in the connecting portion is set such that the heat equalizing sheet is arranged on the upper surface side of the second heat medium pipe with an interval. It may be the depth.
Moreover, in this invention, it is set as the structure which provided the 3 or more groove for piping in the said connection part, and the groove for piping and the said 2nd heat-medium pipe | tube which accommodate the said 1st heat-medium pipe | tube in this connection part are comprised. You may provide alternately the recessed groove for piping to accommodate.
Moreover, in this invention, it is set as the structure which provided the several groove for piping in the said connection part, and at least one of these is also used as the groove for piping for several accommodation which accommodates several heat-medium pipe | tube. Good.
Moreover, in this invention, you may provide a heat insulation member in the upper surface side of the said 2nd heat-medium pipe | tube in the said connection part.

  Since the floor heating panel according to the present invention is configured as described above, it is possible to suppress temperature unevenness while providing small joists that are long in one direction.

(A), (b) shows typically an example of the floor heating panel which concerns on one Embodiment of this invention, (a) is a partially broken schematic plan view corresponding to the X section in FIG. (B) is a partially broken schematic longitudinal cross-sectional view corresponding to the Y1-Y1 line arrow in (a). It is a partially broken schematic plan view which abbreviate | omitted one part which shows an example of the same floor heating panel typically. (A), (b) shows typically an example of the floor heating panel which concerns on other embodiment of this invention, (a) is a partially broken schematic plane corresponding to Fig.1 (a). The figure and (b) are the partial fracture | rupture schematic longitudinal cross-sectional views made to respond | correspond to the Y2-Y2 arrow line in (a). (A), (b) shows typically an example of the floor heating panel which concerns on other embodiment of this invention, (a) is a partially broken outline corresponding to Fig.1 (a). A top view and (b) are the partially broken schematic longitudinal cross-sectional views corresponding to the Y3-Y3 line arrow view in (a).

Embodiments of the present invention will be described below with reference to the drawings.
FIG.1 and FIG.2 is a figure which shows typically an example of the floor heating panel which concerns on 1st Embodiment.
In addition, in FIG. 1 (a), FIG.2, FIG.3 (a) and FIG. 4 (a), illustration of a heat-medium pipe | tube and a soaking | uniform-heating sheet | seat is abbreviate | omitted.
In the following embodiments, one direction of the floor heating panel (base material) that is the same as the longitudinal direction of the small joists will be described as the longitudinal direction of the floor heating panel (base material) for convenience. The direction may be the width direction of the floor heating panel (base material).

As shown in FIGS. 1 and 2, the floor heating panel 1 according to the present embodiment is arranged in one direction on a base material 10 provided with a piping concave groove 11 in which a heat medium pipe 21 is provided on the upper surface side. The cutout-shaped accommodation portion 18 that accommodates a small joist 28 that is long in the longitudinal direction of the base material is provided. Moreover, the floor heating panel 1 is configured to have a soaking sheet 25 attached to the upper surface.
Moreover, in this embodiment, in addition to the above-described cutout-shaped accommodation portion 18 that accommodates the small joist 28, two first small joists that are long in the base material longitudinal direction and divided in the same direction are formed on the base material 10. 26 and the second small joist 27 are each provided with a pair of notch-like accommodation portions 16 and 17. Further, the above-mentioned small joist 28 is the third small joist 28, and a structure in which a notch-like accommodation portion 18 accommodating this and a pair of notch-like accommodation portions 16, 17 are provided with an interval in the small joist width direction. It is said that.

The floor heating panel 1 has a substantially rectangular flat plate shape. In addition, the floor heating panel 1 is installed on a floor base, and the upper surface side thereof is covered with a floor finishing material (floor material). Further, a plurality of floor heating panels 1 may be installed on the floor base so as to be adjacent vertically and horizontally.
In this floor heating panel 1, the small joists 26, 27, and 28 may be fixed to floor joists such as floor joists, discarded plywood, concrete foundations, and the like as fasteners such as screws and nails. . In addition, the fastening part of the flooring arranged with the longitudinal direction of the small joists 26, 27, 28 being substantially orthogonal to the longitudinal direction is fastened to the small joists 26, 27, 28 part by a fastener, and the flooring is attached. You may make it fix with respect to the floor heating panel 1. FIG.

Moreover, you may make it set the width dimension and length dimension of this floor heating panel 1 suitably from a viewpoint of the handleability at the time of conveyance, the time of construction, etc. For example, the width dimension and the length dimension of the floor heating panel 1 may be about one (303 mm) to one length (3030 mm).
Further, the thickness dimension of the floor heating panel 1 may be appropriately set from the viewpoint of improving the strength of the floor heating panel 1 because the heat medium pipe 21 can be disposed. For example, the thickness dimension of the floor heating panel 1 may be about 10 mm to 30 mm.

As shown in FIG. 1B, the heat medium pipe 21 is a hollow tubular body. In the illustrated example, the heat medium pipe 21 is shown in a circular shape when viewed in cross section. The heat medium pipe 21 is flexible so that it can be easily disposed in the pipe groove 11 in accordance with the path pattern of the pipe groove 11 of the base material 10. The heat medium pipe 21 may be formed of a material having corrosion resistance and heat resistance, and may be, for example, a pipe or tube formed of a resin material such as crosslinked polyethylene.
The heat medium pipe 21 is fed with a heat medium by a circulation device such as a pump and is circulated. As a heat medium which distribute | circulates to this heat medium pipe | tube 21, it is good also as a liquid, gas, a vapor | steam, etc., for example. Moreover, you may connect the header connected to the medium transmission pipe | tube or return medium pipe | tube provided in the circulation apparatus side to the heat medium pipe | tube 21. FIG. Moreover, when providing the some floor heating panel 1 adjacent, you may connect the connection part for connecting the heat medium pipe | tubes 21 of the adjacent floor heating panel 1 to the heat medium pipe | tube 21. FIG.
Moreover, you may make it provide the heat transfer member made into the shape which covers the outer peripheral surface of the heat-medium pipe | tube 21 from the downward side in the concave groove 11 for piping.

As shown in FIG. 1B, the soaking sheet 25 is provided so as to cover the entire upper surface of the base material 10. The soaking sheet 25 is a thin sheet (film) and is formed of a material having high thermal conductivity. For example, the soaking sheet 25 may be formed of a metal material such as aluminum.
In addition, you may make it provide the mark of the marker etc. which show the site | part in which the small joists 26, 27, and 28 as a fixing possible range of a fastener are provided in the upper surface of the soaking | uniform-heating sheet 25. FIG.

The base material 10 has a substantially rectangular flat plate shape and is formed of a material having heat insulation properties. This base material 10 is good also as what was formed, for example from foaming resin materials, such as a foaming polypropylene and a foaming polystyrene.
As shown in FIG. 2, the base material 10 is connected to the heat medium pipe 21 at an appropriate position (one corner portion in the width direction and one longitudinal end portion in the width direction) in the width direction one end portion. A housing recess 14 for housing the header is provided. Piping grooves 11 and 11 in which the medium-side heat medium pipe 21 and the medium-side heat medium pipe 21 are disposed are provided so as to face the housing recess 14. In addition, this accommodation recess 14 is good also as what was provided in the notch shape over the whole thickness direction of the base material 10. FIG.
Moreover, the example which provided the accommodation recess 15 which accommodates the connection part which connects heat-medium pipe | tubes 21 in the suitable place of the base material 10 is shown. In the illustrated example, an example is shown in which accommodation recesses 15 are provided at a plurality of locations (six locations in the illustrated example) at intervals in the width direction at the other end portion in the longitudinal direction of the base material 10. Moreover, it is set as the structure which provided the groove | channel 11 for piping so that these accommodation recesses 15 and the end surface (other end surface) of the longitudinal direction other side of the base material 10 may be connected. With such a configuration, the connection recess that connects the heat medium pipes 21 provided in the adjacent floor heating panels 1 can be accommodated in the accommodation recess 15.

As shown in FIGS. 1 and 2, the concave groove 11 for piping is provided on the upper surface side of the base material 10 so as to open toward the upper side.
The concave groove 11 for piping is provided so as to meander over substantially the entire upper surface of the base material 10 from the viewpoint of improving the thermal uniformity. In the illustrated example, the heat medium pipe 21 disposed in the piping groove 11 is meandered from one end (corner portion) in the width direction of the substrate 10 to the other end portion in the width direction of the substrate 10. However, an example in which the groove 11 for piping is provided so as to reciprocate twice and return to one end (corner portion) in the width direction of the base material 10 is shown. Further, in the illustrated example, the piping groove 11 is configured by combining a curved portion that is curved in plan view and a linear portion that extends in the base material longitudinal direction or the base material width direction. Moreover, the linear part of the groove 11 for piping extended in a longitudinal direction is provided in the longitudinal direction center side part of the base material 10, and the ratio for which a curved part occupies the longitudinal direction both ends part of the base material 10 becomes larger than a linear part. Thus, an example in which the concave groove 11 for piping is provided is shown.

  In addition, as a path | route pattern of the groove 11 for piping provided in the upper surface side of the base material 10, it is not restricted to the above aspects, It provides so that it may make 1 reciprocation, or it may provide so that it may make 3 or more reciprocations. May be. Moreover, it is not restricted to the path | route pattern which returns so that it may be return | folded in the width direction other side edge part of the base material 10, In the width direction other side edge part of the base material 10, it is the groove 11 for piping of the adjacent floor heating panel 1 It is good also as a route pattern etc. which are connected to. As a route pattern of the groove 11 for piping provided on the upper surface side of the base material 10, various other route patterns may be used.

The pair of notch-like accommodation portions 16 and 17 and the notch-like accommodation portion 18 can accommodate the respective small joists 26, 27, and 28 each having a substantially strip shape elongated in the longitudinal direction of the base material. It is provided on the base material 10 so as to extend in the longitudinal direction. These notch-shaped accommodation portions 16, 17, and 18 are provided so as to penetrate the base material 10 in the thickness direction, and the dimensions (width dimensions) along the base material width direction are the same. The width dimensions of the cutout accommodating portions 16, 17, and 18 may be appropriate width dimensions so that the stoppers can be attached to the accommodated small joists 26, 27, and 28.
In addition, the base material 10 has a plurality of heat medium pipes 21 so as to bypass the groove 11 for piping so as not to be divided in the width direction of the base material 10 by the pair of cutout accommodating portions 16 and 17. The 1st connection part 19 in which the ditch | groove 11 for piping in which this is accommodated was provided is provided. In addition, a plurality of heat medium pipes 21 are provided in the base material 10 so as to bypass the notch-shaped housing portion 18 so that the groove 11 for piping is not divided in the width direction of the base material 10 by the notched housing portion 18. The 2nd connection part 20 provided with the ditch | groove 11 for piping accommodated is provided. In the present embodiment, the first connecting portion 19 and the second connecting portion 20 are provided so as not to overlap each other when viewed in the small joist width direction.
Moreover, in this embodiment, it has the structure where each connection part 19 and 20 was offset and provided in the longitudinal direction one end side of the floor heating panel 1. FIG.

  In the present embodiment, as shown in FIG. 2, the first small joist as one of the pair of cutout accommodating portions 16 and 17 that accommodate the first small joist 26 and the second small joist 27 respectively. The first notch-shaped accommodation portion 16 that accommodates 26 is opened at one end surface in the longitudinal direction of the substrate 10. In addition, the second cutout accommodation portion 17 that accommodates the second small joist 27 as the other of the pair of cutout accommodation portions 16 and 17 is opened at the other end surface in the longitudinal direction of the substrate 10. In other words, the first cutout accommodating portion 16 is provided such that one end face in the longitudinal direction of the first small joist 26 is flush with the one end face in the longitudinal direction of the substrate 10. In addition, the second small joist 27 is accommodated in the second notch shape so that the other end surface in the longitudinal direction (the end surface facing in the same direction as the other end surface in the longitudinal direction of the base material 10) is flush with the other end surface in the longitudinal direction of the base material 10. The structure is provided with the portion 17. These one set of cutout accommodating portions 16 and 17 are provided so as to overlap each other when viewed in the longitudinal direction of the base material. Further, the pair of notch-shaped accommodation portions 16 and 17 are provided at intervals in the longitudinal direction, and the first connecting portion 19 is provided between the set of notch-shaped accommodation portions 16 and 17.

Further, the third notch containing portion 18 for accommodating the third small joist 28 is opened at the other end surface in the longitudinal direction of the base material 10, and the second notch is connected to one end side in the base material longitudinal direction of the third notch containing portion 18. The portion 20 is provided. That is, the third cutout 28 is accommodated in the third cutout shape so that the other end surface in the longitudinal direction of the third small joist 28 (the end surface facing the same direction as the other end surface in the longitudinal direction of the base material 10) is flush with the other end surface in the longitudinal direction of the base material 10. The portion 18 is provided.
In other words, in the present embodiment, the connecting portions 19 and 20 that are portions where these small joists 26, 27, and 28 of the base material 10 are provided are located along the longitudinal direction thereof. It has a structure. That is, when the piping concave groove 11 of the base material 10 has the above-described path pattern, the connecting portions 19 and 20 pass through each of the connecting portions 19 and 20 in the base material width direction. Piping grooves (grooves) 11 for accommodating four heat medium tubes (tubes) 21 are provided (see FIG. 1B).

Further, in this embodiment, the length dimension of the first notch-shaped accommodating portion 16 that accommodates the first small joist 26 and the length dimension of the second notched accommodating portion 17 that accommodates the second small joist 27 are added together. The dimension is the same as the length dimension of the third cutout accommodating portion 18 that accommodates the third small joist 28. That is, in the present embodiment, the dimension obtained by adding the length dimension of the first small joist 26 and the length dimension of the second small joist 27 is the same as the length dimension of the third small joist 28. Moreover, the dimension along the base-material longitudinal direction of the 1st connection part 19 and the dimension along the base-material longitudinal direction of the 2nd connection part 20 are mutually making the same dimension.
Further, in the present embodiment, the length dimension of the third cutout accommodating portion 18 is set to be equal to or larger than the length obtained by subtracting the length dimension of the first cutout accommodating portion 16 from the length dimension of the base material 10. That is, the dimension along the base material longitudinal direction of the second connecting part 20 located on the one end side in the base material longitudinal direction of the third notch containing part 18 is set to be equal to or less than the length dimension of the first notch containing part 16. In the illustrated example, the length dimension of the first notch-shaped accommodating portion 16 is set to be slightly larger than the dimension along the base material longitudinal direction of the second connecting portion 20.

Moreover, in this embodiment, it is set as the structure which provided the notch-shaped accommodating parts 16, 17, and 18 in three or more places (5 places in the example) at intervals in the width direction of the base material 10. FIG. In addition, the cutout accommodating portions 16, 17, and 18 are provided at substantially equal intervals in the width direction of the base material 10. That is, the base material 10 is provided with the notch-shaped accommodation portions 16, 17, and 18 so that the base material 10 is substantially equally divided in the width direction (six equal parts in the illustrated example).
In addition, the first cutout accommodation portion 16, the second cutout accommodation portion 17, and the third cutout accommodation portion 18 are alternately provided at intervals in the width direction of the base material 10. In the illustrated example, a first notch-shaped housing portion 16 and a second notch-shaped housing portion 17 are provided at a substantially central portion in the width direction of the substrate 10, and third notch-shaped housing portions 18, 18 are provided on both sides in the width direction. It has a configuration. In addition, the first notch-like accommodating portions 16 and 16 and the second notch-like accommodating portions 17 and 17 are provided on the outer sides in the width direction of the third notch-like accommodating portions 18 and 18, respectively.

  The dimension along the base material longitudinal direction of these notch-shaped accommodation parts 16, 17, 18 and the connecting parts 19 and 20 is the viewpoint of effectively providing the small joists 26, 27, 28 over most of the base material longitudinal direction, Depending on the number of the groove 11 for piping that bypasses the small joists 26, 27, 28, etc., it may be set as appropriate. For example, the dimension along the base material longitudinal direction of the connecting portions 19 and 20 is set to 1 / of the length dimension of the base material 10 so that the small joists 26, 27, and 28 are provided over most of the base material longitudinal direction. It is good also as 5 or less, Preferably it is good also as 1/10 or less of the length dimension of the base material 10. Moreover, it is good also considering the dimension along the base-material longitudinal direction of the connection parts 19 and 20 as a dimension smaller than the width dimension of a flooring.

As described above, when the small joists 26, 27, and 28 are provided over most of the base material in the longitudinal direction, the plurality of heat medium tubes 21 that pass through each of the connecting portions 19 and 20 in the base material width direction. They tend to be close to each other. In particular, since the second connecting portion 20 is provided at one end of the base material in the longitudinal direction, the second connecting portion 20 and the vicinity thereof include both sides in the width direction of the one end in the longitudinal direction of the third small joist 28 and The plurality of heat medium pipes 21 are arranged so as to bypass the longitudinal front side portion in a substantially parallel manner. Thereby, compared with another site | part, there exists a tendency which becomes a close-packed site | part with which several heat-medium pipe | tubes 21 adjoin.
In the floor heating panel 1 according to the present embodiment, the first pipe part 22 as the first heat medium pipe among the plurality of heat medium pipes 21 in the second connection part 20 as the connection part is used as the soaking sheet 25. It is set as the structure made to contact. Further, the floor heating panel 1 is configured such that the second pipe portion 23 as the second heat medium pipe among the plurality of heat medium pipes 21 in the second connecting portion 20 is not brought into direct contact with the soaking sheet 25. ing. Note that the contact of the first pipe portion 22 with the soaking sheet 25 is not limited to a mode in which the first pipe portion 22 is in direct contact with the soaking sheet 25, for example, a heat transfer member having a high thermal conductivity, or the like. Also included is an embodiment in which the contact is made with the intervening material.

  The second tube portion 23 that is not in contact with the heat equalizing sheet 25 is provided at a portion of the second connecting portion 20 that is at least a portion overlapping the third small joist 28 as viewed in the longitudinal direction of the base material. Also good. In addition, the second pipe portion 23 that is not in contact with the soaking sheet 25 is provided to reach a portion that is bent from both sides of the portion of the second connecting portion 20 toward the other end in the longitudinal direction of the base material. It may be. Further, in a plan view, the second tube that is not in contact with the heat equalizing sheet 25 at a portion (a dense portion) in which the ratio of the heat medium pipe 21 per unit area on the upper surface of the base material 10 is larger than a predetermined ratio. The part 23 may be provided. In the present embodiment, with respect to the heat equalizing sheet 25, the interval between the adjacent heat medium tubes 21 is approximately the same size and surrounds one longitudinal end portion of the third small joists 28 arranged relatively close to each other. The example which provided the 2nd pipe part 23 made non-contact is shown (refer also to Fig.1 (a)).

Moreover, in this embodiment, the 1st ditch | groove part 12 as a ditch | groove for piping which accommodates the 1st pipe part 22 in the 2nd connection part 20, and the recessed part for piping which accommodates the 2nd pipe part 23 in the 2nd connection part 20 are used. The second concave groove portion 13 as the groove is a concave groove portion that accommodates a single pipe portion. That is, it is set as the structure which provided the four recessed groove parts 12, 12, 13, and 13 so that the 2nd connection part 20 may be passed in a base-material width direction. That is, in the present embodiment, the second connecting portion 20 is provided with three or more first groove portions 12 and second groove portions 13 as piping groove grooves.
In the present embodiment, the groove depth of the second concave groove portion 13 that accommodates the second pipe portion 23 in the second connecting portion 20 is set such that the heat equalizing sheet 25 is spaced from the upper surface side of the second pipe portion 23. Depth is arranged. That is, the groove depth of the second concave groove portion 13 is set to be larger than the vertical dimension (outer diameter dimension) of the second pipe portion 23 so that the second pipe portion 23 does not directly contact the soaking sheet 25. Yes. In addition, the groove depth of the first concave groove portion 12 that accommodates the first tube portion 22 in the second connecting portion 20 is set to a depth at which the soaking sheet 25 is in thermal contact with the upper surface of the first tube portion 22. . That is, in the present embodiment, the groove depth of the second groove portion 13 is made deeper than the groove depth of the first groove portion 12.

Piping groove 11 in a portion other than the second groove portion 13, that is, a pipe groove 11 including the pipe groove 11 and the first groove portion 12 connected to the upstream side and the downstream side of the second groove portion 13. The groove depth of the concave groove 11 may be a dimension corresponding to the vertical dimension (outer diameter dimension) of the heat medium pipe 21. In other words, the groove 11 for piping other than the second groove 13 may be set as appropriate so that the heat medium pipe 21 is in thermal conduction contact with the soaking sheet 25.
Further, the groove depth of the second recessed groove portion 13 may be set as appropriate from the viewpoint of the strength of the base material 10, formability, the viewpoint of preventing contact with the soaking sheet 25, and the like. For example, the groove depth of the second groove portion 13 is set to about 1.1 to 2.0 times the groove depth of the first groove portion 12 (the groove 11 for piping other than the second groove portion 13). It is good.

Further, the second concave groove portion 13 may be formed such that the bottom portion is stepped down from the bottom portion of the upstream portion and the downstream portion thereof. Or the boundary part of the bottom part of the 2nd ditch | groove part 13, and the upstream part of this, and the bottom part of a downstream part is good also as what was made into the inclined surface.
The groove width of the piping groove 11 including the first groove portion 12 and the second groove portion 13 may be a dimension according to the width dimension (outer diameter dimension) of the heat medium pipe 21. Further, in the illustrated example, the groove shape seen in the groove longitudinal direction of the piping groove 11 including the first groove portion 12 and the second groove portion 13 is shown as a substantially U shape. For example, it may be a substantially U shape, a substantially V shape, a substantially inverted trapezoidal shape, or the like, or may be various groove shapes.

Moreover, in this embodiment, it is set as the structure which provided the 1st groove part 12 and the 2nd groove part 13 in the 2nd connection part 20 alternately. That is, the first groove portion 12 that accommodates the first tube portion 22 and the second groove portion 13 that accommodates the second tube portion 23 in the second connecting portion 20 are in the groove width direction that is the same as the small joist longitudinal direction. Are arranged alternately with a space therebetween.
In the illustrated example, the first concave groove portion 12, the second concave groove portion 13, the first concave groove portion 12, and the second concave groove portion 13 are formed on the second connecting portion 20 from the one end surface in the substrate longitudinal direction toward the third small joist 28. Are provided in this order. In addition, it replaces with such an aspect, and the 2nd ditch | groove part 13, the 1st ditch | groove part 12, and the 2nd ditch | groove part 13 are set to the 2nd connection part 20 toward the 3rd small joist 28 from the base-material longitudinal direction one end surface. And it is good also as an aspect which provided the 1st ditch | groove part 12 in this order.

Moreover, in this embodiment, it is set as the structure which provided the heat insulation member 24 in the upper surface side of the 2nd pipe part 23 in the 2nd connection part 20. As shown in FIG.
The heat insulating member 24 is provided in a spacer shape between the second pipe portion 23 in the second connecting portion 20 and the heat equalizing sheet 25 on the upper surface side thereof. In addition, the heat insulating member 24 is provided so as to close the opening side portion of the second concave groove portion 13.
The heat insulating member 24 may be provided over the entire length in the pipe longitudinal direction of the portion where the second pipe portion 23 is provided, or may be provided at a plurality of locations with intervals in the pipe longitudinal direction. May be. Further, the heat insulating member 24 may be formed of a material having a heat conductivity lower than that of the soaking sheet 25 and having a heat insulating property. As a material constituting such a heat insulating member 24, for example, a foamed heat insulating material such as foamed polypropylene, foamed polystyrene, and foamed urethane may be used, or a fiber heat insulating material such as rock wool or glass wool may be used. Moreover, it is good also as what was formed with the material similar to the base material 10. FIG.

  The small joists 26, 27, 28 accommodated in the respective notch-shaped accommodating portions 16, 17, 18 have the length dimension and the width dimension of the notched-shaped accommodating portions 16, 17, 18 respectively. The thickness is the same as the size, and the thickness is the same as the thickness of the substrate 10. That is, the other end surface in the longitudinal direction of the first small joist 26 is in contact with or in close proximity to the inner wall surface of the first notch-shaped accommodating portion 16 facing the one end in the longitudinal direction of the base material, and the one end surface in the longitudinal direction of the second small joist 27 is It is set as the structure which contact | abuts or adjoins to the inner wall face which faces the base material longitudinal direction other end side of the 2nd notch accommodation part 17. FIG. In addition, the one end surface in the longitudinal direction of the third small joist 28 is configured to abut against or closely face the inner wall surface of the third cutout accommodating portion 18 facing the other end in the substrate longitudinal direction. Further, both outer side surfaces in the width direction of the respective small joists 26, 27, 28 abut or face each other inner surface in the width direction of each notch-shaped accommodation portion 16, 17, 18. Both sides in the thickness direction are configured to be exposed on both sides in the thickness direction of the substrate 10.

These small joists 26, 27 and 28 are made of, for example, a plywood or a wooden laminated board such as LVL, a wooden board such as a particle board, MDF (medium density fiber board) or the like so that the fastener can be fastened. It may be formed from a wood-based material such as a wood fiber board.
Moreover, the base material 10 which comprises the floor heating panel 1 is not restricted to what consists of one sheet, It is good also as what was divided | segmented into several parts and was comprised. Moreover, the floor heating panel 1 is good also as what can be folded, for example by making the appropriate place of the width direction into a hinge part.

The floor heating panel 1 according to the present embodiment is configured as described above, so that temperature unevenness can be suppressed while providing a long joist in one direction.
That is, a notch-shaped accommodation portion in which a small joist (third small joist) 28 that is long in one direction is accommodated in the base material 10 provided with the groove 11 for piping in which the heat medium pipe 21 is disposed on the upper surface side. (Third cutout accommodating portion) 18 is provided. Therefore, the floor heating panel 1 can be fixed to the floor base or the floor finishing material can be fixed to the floor heating panel 1 using the third small joists 28.
Further, a connecting portion (second connecting portion) provided with a piping concave groove 11 in which a plurality of heat medium pipes 21 are accommodated so as to bypass the third cutout accommodating portion 18 that accommodates the third small joist 28. The first heat medium pipe (first pipe part) 22 in 20 is brought into contact with the soaking sheet 25. On the other hand, the second heat medium pipe (second pipe part) 23 in the second connecting part 20 is configured not to contact the soaking sheet 25 directly. Accordingly, it is possible to make it difficult for the heat of the second pipe portion 23 among the plurality of heat medium pipes 21 of the second connecting portion 20 that tend to be close to each other to be transmitted to the upper surface side compared to other portions. A local temperature rise in the vicinity can be suppressed. Moreover, since the 1st pipe part 22 of the some heat-medium pipe | tubes 21 of the 2nd connection part 20 is made to contact the soaking | uniform-heating sheet | seat 25, it can also suppress the local temperature fall in the said part periphery. .

  Further, in this embodiment, the groove depth of the piping groove (second groove portion) 13 that accommodates the second tube portion 23 in the second connecting portion 20 is set on the upper surface side of the second tube portion 23. 25 is a depth arranged with an interval. Therefore, for example, an opening is provided in the soaking sheet 25 so that the soaking sheet 25 is not provided on the upper side of the second connecting portion 20 so that the second pipe portion 23 is not in contact with the soaking sheet 25. As compared with the above, it is possible to make it difficult to transfer the heat of the second tube portion 23 to the upper surface side.

Moreover, in this embodiment, it is set as the structure which provided the groove part 12 and 13 as a groove for piping 3 or more in the 2nd connection part 20, and the groove for piping (1st groove | channel) which accommodates the 1st pipe part 22 is used. (Groove part) 12 and the second concave groove part 13 for accommodating the second pipe part 23 are provided alternately. Therefore, the first pipe part 22 and the second pipe part 23 in the second connection part 20 are not easily distributed, and temperature unevenness around the part can be more effectively suppressed.
Moreover, in this embodiment, it is set as the structure which provided the heat insulation member 24 in the upper surface side of the 2nd pipe part 23 in the 2nd connection part 20. As shown in FIG. Therefore, it is possible to make it difficult for the heat of the second tube portion 23 to be transmitted to the upper surface side, and it is possible to more effectively suppress temperature unevenness. Moreover, when the groove depth of the second recessed groove portion 13 in the second connecting portion 20 is increased as in the present embodiment, the heat insulating member 24 can function as a spacer between the soaking sheets 25. The contact of the second pipe portion 23 with the soaking sheet 25 can be more effectively suppressed.

  In addition, in this embodiment (and each embodiment described later), the first pipe portion 22 that contacts the soaking sheet 25 and the soaking sheet 25 are not in contact with each other so as to pass the second connecting portion 20. Although it is set as the structure which provided the 2nd pipe part 23, it is not restricted to such an aspect. Instead of or in addition to this, the first pipe part 22 that contacts the soaking sheet 25 and the soaking sheet 25 so as to pass through the first connecting part 19 are not contacted with the second pipe part 23. It is good also as a structure which provided. Further, the cutout accommodating portions 16, 17, 18 and the small joists 26, 27, 28 and the connecting portions 19, 20 provided on the base material 10 are not limited to the above-described examples, and various modifications are possible. .

Next, another embodiment according to the present invention will be described with reference to the drawings.
Drawing 3 is a figure showing typically an example of the floor heating panel concerning a 2nd 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.

The floor heating panel 1A according to the present embodiment is mainly different from the first embodiment in the configuration of the piping groove 11A provided in the base material 10A.
In this embodiment, as shown in FIG. 3, at least one of the plurality of concave grooves for piping 11 </ b> A provided so as to pass through the second connecting portion 20 </ b> A is stored in the plurality of heat medium tubes 21. It is set as the wide concave groove part 13A as a piping concave groove for accommodation. In the present embodiment, the wide concave groove portion 13A is a wide second concave groove portion 13A that accommodates a plurality of (two in the illustrated example) second pipe portions 23, 23. The groove width of the wide second concave groove portion 13A is approximately the same as the sum of these width dimensions so that a plurality of (two in the illustrated example) second pipe portions 23, 23 can be accommodated. It is said that.
The wide second recessed groove portion 13A is provided so as to surround the periphery of one end portion in the longitudinal direction of the third small joist 28, as in the first embodiment. The wide second concave groove portion 13A is formed so as to join two piping concave grooves 11A and 11A provided in the upstream side portion and the downstream side portion, respectively.

  Further, as in the first embodiment, the groove depth of the wide second concave groove portion 13A is defined as the depth at which the soaking sheets 25 are arranged at intervals on the upper surface side of the second pipe portions 23, 23. Yes. In the illustrated example, an example is shown in which the groove depths of the portions accommodating the plurality of second pipe portions 23 and 23 in the wide second concave groove portion 13A are the same size. Further, in the illustrated example, the bottom portion of the wide second concave groove portion 13A is stepped down at a portion where the two concave grooves for piping 11A and 11A provided in the upstream portion and the downstream portion thereof are merged. Although an example is shown, it is not restricted to such a mode.

Also in this embodiment, the wide second concave groove portion 13A and the first concave groove portions 12 and 12 that accommodate the first pipe portion 22 are alternately provided. In the illustrated example, the first concave groove portions 12, 12 are provided on both sides of the wide second concave groove portion 13A in the groove width direction (base material longitudinal direction).
Also in the present embodiment, the heat insulating member 24A is provided on the upper surface side of the second pipe portions 23, 23. In the illustrated example, an example in which a single heat insulating member 24A is provided on the upper surface side so as to straddle the plurality of second pipe portions 23, 23 is shown. In addition, it is good also as an aspect which replaced with such an aspect and provided the heat insulation member 24A in each upper surface side of the several 2nd pipe parts 23 and 23. FIG.

The floor heating panel 1 </ b> A according to the present embodiment configured as described above also has substantially the same effects as those of the first embodiment described above.
Moreover, in this embodiment, it is set as the structure which provided the concave groove 13A for multiple accommodation which accommodates the several heat-medium pipe | tube 21 so that the 2nd connection part 20A may be passed. Therefore, compared with the said 1st Embodiment, the space | interval of the some groove part 12,13A, 12 in 20 A of 2nd connection parts can be enlarged. Alternatively, the dimension along the longitudinal direction of the small joist of the second connecting portion 20A can be reduced, that is, the length dimension of the third joist 28 can be increased.

In addition, in the said 1st Embodiment and 2nd Embodiment, it is set as the structure which provided the heat insulation members 24 and 24A in the upper surface side of the 2nd pipe part 23, However, Do not provide such heat insulation members 24 and 24A. Also good.
Moreover, in the said 1st Embodiment and 2nd Embodiment, the example made into the structure which provided the 1st ditch | groove part 12 and the 2nd ditch | groove part 13 and 13A in the 2nd connection parts 20 and 20A alternately was shown. However, it is not limited to such an aspect. For example, in the 2nd connection parts 20 and 20A, it is good also as an aspect which provided several 1st ditch | groove parts 12 adjacent to each other.
Moreover, in the said 2nd Embodiment, although 13 A of wide recessed groove parts are shown as the wide 2nd recessed groove part 13A which accommodates the several 2nd pipe part 23, the several 1st pipe part 22 is accommodated. It is good also as a wide 1st groove part. In this case, what is necessary is just to make another groove part into the 2nd groove part which accommodates a 2nd pipe part.

Next, still another embodiment according to the present invention will be described with reference to the drawings.
Drawing 4 is a figure showing typically an example of the floor heating panel concerning a 3rd embodiment.
Note that differences from the above embodiments will be mainly described, and the same components will be denoted by the same reference numerals, and description thereof will be omitted or simplified.

The floor heating panel 1B according to the present embodiment is mainly different from the above embodiments in the configuration of the groove 11B for piping provided in the base material 10B.
In the present embodiment, as shown in FIG. 4, unlike the second embodiment, the wide concave groove portion 29 as a plural concave piping groove for accommodating the plural heat medium pipes 21 in the second connecting portion 20 </ b> B. Is configured to accommodate the first tube portion 22 and the second tube portion 23. In other words, the first wide tube groove 22 that contacts the soaking sheet 25 and the second tube section 23 that is not in contact with the soaking sheet 25 are accommodated in a single wide concave groove 29.
The wide concave groove 29 is provided so as to surround the periphery of one end in the longitudinal direction of the third small joist 28, as in the first embodiment. The wide concave groove portion 29 is formed so as to join two piping concave grooves 11B and 11B provided in each of the upstream side portion and the downstream side portion thereof, as in the second embodiment.

  In the present embodiment, at least the depth of the wide concave groove 29 of the portion 29b that accommodates the second pipe portion 23 is the depth at which the soaking sheet 25 is arranged on the upper surface side of the second pipe portion 23 with an interval. It is said. Further, in the present embodiment, from the groove depth of the portion 29a that accommodates the first tube portion 22 of the wide concave groove portion 29 so that the bottom of the wide concave groove portion 29 has a stepped shape or an inclined shape when viewed in the longitudinal direction of the groove. Also, the groove depth of the portion 29b for accommodating the second pipe portion 23 is increased. That is, the portion of the wide concave groove portion 29 that accommodates the first tube portion 22 is a shallow groove portion 29a having a groove depth corresponding to the vertical dimension of the first tube portion 22, and the portion that accommodates the second tube portion 23 is the second. A deep groove portion 29b having a groove depth larger than the vertical dimension of the tube portion 23 is used. The shallow groove portion 29a may be provided over the entire length of the wide concave groove portion 29, or includes a plurality of protrusions provided at the bottom of the wide concave groove portion 29 at intervals in the longitudinal direction. It is good. Further, in the illustrated example, the bottom portion of the deep groove portion 29b of the wide concave groove portion 29 is stepped down at a portion where the two pipe concave grooves 11B and 11B provided in the upstream portion and the downstream portion thereof are joined. However, the present invention is not limited to such an embodiment. In the example of the figure, both corners on the groove bottom side of the wide concave groove 29 are shown as substantially right-angled corners. However, as in the above-described embodiments, It is good also as a concave curved surface shape according to an outer peripheral surface.

Further, in the present embodiment, the groove width of the wide concave groove portion 29 is larger than the dimension obtained by adding the outer diameter of the first tube portion 22 and the outer diameter of the second tube portion 23 that are the same diameter and circular shape. It is set as the small dimension and it is set as the structure accommodated so that these may become a different position up and down. That is, by reducing the groove width of the wide concave groove portion 29 so that the mutual contact portions and the respective axial centers are different vertically, the first tube portion 22 is placed above the second tube portion 23. The configuration is positioned.
Moreover, in this embodiment, it is set as the structure which provided the two wide recessed groove parts 29 and 29 so that the 2nd connection part 20B may be passed. In the illustrated example, the wide groove portion 29 on one end side in the longitudinal direction of the base material is configured to accommodate the first pipe portion 22 on one end side in the longitudinal direction of the base material, and the wide groove portion 29 on the other end side in the longitudinal direction of the base material. The example which comprised the 2nd pipe part 23 in the material longitudinal direction one end side is shown. Instead of such a mode, the wide concave groove portions 29 and 29 may be configured so that the first tube portion 22 and the second tube portion 23 are alternately accommodated in the longitudinal direction of the base material. For example, it is good also as a structure which accommodates the 1st pipe part 22 in the wide concave-groove part 29 of a base-material longitudinal direction other end side at a base-material longitudinal direction one end side. Or it is set as the structure which accommodates the 2nd pipe part 23 in the base-material longitudinal direction one end side, and the wide concave-groove part 29 of a base-material longitudinal direction other end side is base-material longitudinal. It is good also as a structure etc. which accommodate the 1st pipe part 22 in the direction one end side.

The floor heating panel 1 </ b> B according to the present embodiment having the above configuration also has substantially the same effects as those of the second embodiment described above.
Further, in this embodiment, the groove depth of the portion 29b accommodating the second tube portion 23 is made deeper than the portion 29a accommodating the first tube portion 22 of the wide concave groove portion 29, and the groove width of the wide concave groove portion 29 is increased. Is smaller than the sum of the outer diameter of the first pipe portion 22 and the outer diameter of the second pipe portion 23. Accordingly, the first tube portion 22 and the second tube portion 23 are restricted to each other, and these are restricted to the inner surface (the bottom portion and both side surfaces of the groove) of the wide concave groove portion 29. Thereby, the contact of the 2nd pipe part 23 to the soaking | uniform-heating sheet | seat 25 can be suppressed effectively.
Instead of such a mode, the groove width of the wide concave groove portion 29 is set so that the first tube portion 22 is brought into contact with the soaking sheet 25 and the second tube portion 23 is not brought into contact with the soaking sheet 25. It is good also as a dimension smaller than the dimension which added the outer diameter of the 1 pipe part 22 and the outer diameter of the 2nd pipe part 23 together. Alternatively, the wide concave groove portion 29 is more than the portion 29a for housing the first tube portion 22 so that the first tube portion 22 is brought into contact with the soaking sheet 25 and the second tube portion 23 is not brought into contact with the soaking sheet 25. You may make deep the groove depth of the site | part 29b which accommodates the 2nd pipe part 23. FIG.

In addition, different configurations described in the above embodiments may be appropriately modified as necessary, rearranged and applied, or combined and applied. For example, also in the said 3rd Embodiment, it is good also as an aspect etc. which provided the heat insulation member similar to the above on the upper surface side of the 2nd pipe part 23. FIG.
Moreover, in each said embodiment, although the example which set the four heat-medium pipe | tubes (pipe part) 21 which pass 2nd connection part 20,20A, 20B is shown, it should just be two or more.
Moreover, in each said embodiment, although the example which provided the several ditch | groove part was shown so that 2nd connection part 20,20A, 20B may be passed, the 1st pipe | tube as demonstrated in the said 3rd Embodiment was shown. It is good also as an aspect etc. which provided the single ditch | groove part which accommodates the part 22 and the 2nd pipe part 23. FIG.
Moreover, in each said embodiment, the groove depth of the recessed groove parts 13 and 13A and the deep groove part 29b which accommodate the 2nd pipe part 23 in 2nd connection part 20,20A, 20B is made into the upper surface side of the 2nd pipe part 23. Although the example which made the depth by which the soaking | uniform-heating sheet | seat 25 is arrange | positioned at intervals is shown, it is not restricted to such an aspect. For example, as an aspect in which an opening is provided in the soaking sheet 25 so that the soaking sheet 25 is not provided on the upper side of the second pipe part 23, the second pipe part 23 is not in contact with the soaking sheet 25. In addition, the second pipe portion 23 may be non-contact with the soaking sheet 25 according to various modes.

1, 1A, 1B Floor heating panel 10, 10A, 10B Base material 11, 11A, 11B Piping groove 12 First groove (Pipe groove for housing the first heat medium pipe in the connecting portion)
13 2nd groove part (groove for piping which accommodates the 2nd heat-medium pipe | tube in a connection part)
13A Wide second groove portion (pipe groove for housing the second heat medium pipe in the connection portion, pipe groove for accommodating a plurality of tubes)
18 3rd notch accommodation part (notch accommodation part)
20, 20A, 20B 2nd connection part (connection part)
21 Heat medium pipe 22 1st pipe part (1st heat medium pipe in a connection part)
23 2nd pipe part (2nd heat-medium pipe | tube in a connection part)
24 Heat insulation member 25 Heat equalizing sheet 28 3
29 Wide concave groove (groove for piping for multiple accommodation)

Claims (5)

A base material provided with a concave groove for piping on which the heat medium pipe is disposed on the upper surface side is provided with a notch-like accommodation portion accommodating a small joist that is long in one direction, and this notch-like accommodation portion is bypassed. And a configuration provided with a connecting portion provided with a groove for piping in which a plurality of heat medium tubes are accommodated, and a configuration in which a soaking sheet is attached to the upper surface,
The first heat medium tube of the plurality of heat medium tubes in the connecting portion is brought into contact with the heat equalizing sheet, while the second heat medium tube of the plurality of heat medium tubes in the connecting portion is connected to the heat equalizing sheet. A floor heating panel characterized by being configured not to be in direct contact with a heat sheet. In claim 1,
The groove depth of the groove for piping that accommodates the second heat medium pipe in the connecting portion is set to a depth at which the heat equalizing sheet is arranged at an interval on the upper surface side of the second heat medium pipe. Floor heating panel characterized by. In claim 1 or 2,
The connecting portion is configured to have three or more piping grooves, and a piping groove that houses the first heat medium pipe and a piping groove that houses the second heat medium pipe in the connecting portion. Is a floor heating panel characterized by being provided alternately. In any one of Claims 1 thru | or 3,
The floor heating is characterized in that a plurality of concave grooves for piping are provided in the connecting portion, and at least one of these is a concave groove for piping for accommodating a plurality of heat medium pipes. panel. In any one of Claims 1 thru | or 4,
The floor heating panel characterized by providing the heat insulation member in the upper surface side of the said 2nd heat-medium pipe | tube in the said connection part.

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