JP2010019441A - Temperature control mat and its manufacturing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a temperature control mat of thin thickness and capable of sufficiently holding a temperature control pipe even when the temperature control pipe is placed while curved, and to provide a manufacturing method of the temperature control mat. <P>SOLUTION: A floor heating mat 1 comprises bases 10-18 provided with pipe receiving grooves 2 on their top faces, a warm water pipe 3 as the temperature control pipe disposed in a state of received in the pipe receiving grooves 2, an auxiliary sheet 5 continuously stuck from top faces of the bases 10-18 at the circumference of curved sections 2a which is curved and extended, of the pipe receiving grooves 2 to top faces of small joists 30, 30', a soaking sheet 7 stuck to top faces of small mats A-H to cover the warm water pipe 3, the auxiliary sheet 5 and a soaking plate 6, and a lining sheet 8 attached to lower faces of the bases 10-18 to close bottom sections of the pipe receiving grooves 2. A thickness of each base 10-18 is roughly equal to an outer diameter of the warm water pipe 3. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a temperature control mat for heating and cooling floors, walls, ceilings and the like of a room in a building, and a method for manufacturing the same.

  As a floor heating structure, hot water floor heating in which hot water piping is routed in a groove on the upper surface of a plate-like substrate is well known.

  FIG. 11 is a plan view showing a floor heating structure disclosed in Japanese Patent Application Laid-Open No. 11-257664.

  In the floor heating structure of the same publication, rectangular plate-like substrates 100 are arranged such that their longitudinal sides are parallel to each other and small joists 101 are interposed therebetween. A hot water pipe 102 is accommodated in a groove on the upper surface of the substrate 100. The hot water pipe 102 is continuously drawn over the adjacent substrates 100, and both ends thereof are connected to the header 103.

  In the publication, the groove for piping accommodation extends linearly along the longitudinal side on the intermediate side of the long side of each substrate 100, and in the vicinity of both short sides of each substrate 100, Each of the substrates 100 is bent toward one long side or the other long side, and the end thereof faces the one long side or the other long side. Between the adjacent substrates 100, 100, the ends of the pipe housing grooves facing the respective long sides face each other across the small joists 101, and both the substrates cross the small joists 101. 100 and 100 are continuous.

  In the publication, as shown in FIG. 11, the pipe housing groove is curved in a substantially quadrant shape in the vicinity of the short side of each substrate 100 toward the opposing side of the adjacent substrates 100, 100. It extends across these substrates 100, 100 in a substantially semicircular arc shape.

  The hot water pipe 102 is housed in the pipe housing groove, and is drawn in a substantially semicircular arc shape across the adjacent substrates 100, 100.

  A soaking plate 104 is disposed from the inner surface of the pipe housing groove to the upper surface of the substrate 100. As is well known (for example, Japanese Utility Model Laid-Open No. 60-170627, Japanese Patent Laid-Open No. 2002-295853), the soaking plate 104 has a substantially Ω-shaped cross section as shown in FIG. That is, the heat equalizing plate 104 includes a U-shaped portion 104a and flange portions 104b projecting in opposite directions from both ends of the U-shaped portion 104a, and the U-shaped portion 104a is disposed in the pipe accommodating groove. The flange portion 104 b is disposed on the upper surface of the substrate 100. The soaking plate 104 is often made of aluminum or copper having high thermal conductivity.

  In the publication, as shown in FIG. 11, the heat equalizing plate 104 is disposed in a portion where the piping housing groove extends linearly.

  In the same publication, after the substrates 100 are laid and constructed on the site one by one, the hot water pipes 102 are distributed in the grooves, and a soaking sheet such as aluminum foil is disposed thereon, and the surface layer material 105 is disposed thereon. We are constructing.

  In order to reduce the number of on-site construction work, it is also well known that a plurality of substrates, hot water piping and soaking sheets are integrated in advance, folded or rolled, and spread on the site. (For example, JP 2005-24206, JP 2002-347879, JP 11-22987).

In FIG. 3 of JP-A-11-148656, instead of using the above-mentioned soaking plate 104 having the Ω-shaped cross section, a flat plate (sheet-like) soaking plate is disposed on the top surface of the substrate. It is described that a part of the soaking plate base plate is pushed into the pipe housing groove by pushing the hot water pipe into the pipe housing groove while pushing through the soaking plate base plate from above.
JP-A-11-257664 Japanese Utility Model Sho 60-170627 JP 2002-295853 JP 2005-24206 A JP 2002-347879 JP 11-22987 A JP-A-11-148656

  In the conventional floor heating mat, since the thickness of the substrate 100 is large, the floor level of the room becomes high. Therefore, the floor level difference with the room where the floor heating mat is not laid increases.

  When the thickness of the substrate 100 is reduced, the difference in floor level from the room where the floor heating mat is not laid can be reduced. However, since the rigidity of the substrate 100 is reduced, when the hot water pipe 102 is bent along the curved portion of the pipe housing groove, the hot water pipe 102 returns to a straight straight tube due to a stress that tends to return to a straight tube. As a result, the hot water pipe 102 may come out of the pipe housing groove or the substrate 100 may be lifted from the floor base.

  The present invention solves the above-mentioned conventional problems, has a small thickness, and is capable of holding the temperature adjustment pipe sufficiently even if the temperature adjustment pipe is bent and routed, and the temperature adjustment mat. It is an object of the present invention to provide a manufacturing method.

  The temperature control mat according to claim 1 includes a plurality of substrates arranged with small joists across, a pipe housing groove provided on the upper surface of each substrate, and a temperature control pipe housed in the pipe housing groove. And a soaking sheet disposed on the upper surface of the substrate, wherein the groove for accommodating the pipe is a curved portion extending at least partially curved, and the temperature control pipe is at least partially In the temperature control mat that is accommodated in the curved portion and extends in a curved manner, the substrate has a thickness that exposes the pipe housing groove on the lower surface of the substrate, and on the lower surface of the substrate, A backing sheet is provided to close the piping housing groove, and is attached to the upper surface of the substrate across at least a part of the curved portion, and straddles the upper surfaces of the substrate and the small joists. An attached reinforcing sheet is provided.

  A temperature control mat according to a second aspect of the present invention is the temperature control mat according to the first aspect, wherein the substrate has a substantially rectangular shape, the small joists are disposed along a long side of the substrate, and the curved portion is a short portion of the substrate. It is arrange | positioned in the vicinity of a hand side, The said reinforcement sheet | seat is extended along the short side of this board | substrate, It is characterized by the above-mentioned.

  A temperature control mat according to a third aspect of the present invention is the temperature control mat according to the first or second aspect, wherein the reinforcing sheet is made of a heat conductive material, and the reinforcing sheet is formed on a wall surface of the pipe accommodating groove in the pipe accommodating groove portion. Along with this, the pipe is housed in the pipe housing groove.

  A temperature control mat according to a fourth aspect of the present invention is the temperature control mat according to the third aspect, wherein after the base sheet of the flat sheet-like reinforcing sheet is attached to the substrate, the temperature control pipe is connected to the base of the reinforcing sheet from above. By breaking the sheet and inserting it into the pipe housing groove, the sheet is inserted into the pipe housing groove.

  The temperature control mat according to claim 5 is characterized in that, in claim 3 or 4, the reinforcing sheet is made of a metal foil.

  The temperature control mat according to claim 6 is the pipe storage groove according to any one of claims 3 to 5, wherein the pipe storage groove extends in a linear shape so as to contact the temperature control pipe. A soaking plate extending from the inner surface of the substrate to the upper surface of the substrate is disposed.

  The method of manufacturing a temperature control mat according to claim 7 is the method of manufacturing the temperature control mat according to any one of claims 3 to 6, wherein the pipe housing groove is closed on a lower surface of each substrate. A step of attaching the backing sheet to the substrate, a step of arranging the substrates and small joists, and a base sheet of a flat sheet-like reinforcing sheet, at least one of the curved portions of the pipe-receiving groove on the upper surface of each substrate. Pasting the upper surface of each substrate and the upper surface of the small joists adjacent to the substrate, and pressing the temperature control pipe from above the raw sheet of the reinforcing sheet, the pipe A step of inserting the reinforcing sheet into the groove for accommodating the pipe, and a step of arranging a soaking sheet so as to cover the upper surface of the reinforcing sheet and each substrate. To do.

  In the temperature control mat of the present invention (Claim 1), the substrate thickness is smaller as the pipe housing groove is exposed on the lower surface, and thus the thickness of the temperature control mat is smaller. Therefore, the difference between the level of the floor where the temperature control mat is laid and the floor level of the room where the temperature control mat is not laid is small. In addition, when a finishing material is provided on the temperature control mat, the floor level is prevented from becoming excessively high even if a thick finishing material is used as the finishing material is small. The

  In the temperature control mat of the present invention, the reinforcing sheet is attached so as to straddle at least a part of the curved portion of the pipe housing groove on the upper surface of the substrate and straddle the upper surfaces of the substrate and the small joists. Has been. That is, since the substrates around the curved portion and the substrates around the curved portion and the small joists are connected by the reinforcing sheet, even if the substrate thickness is small enough to expose the temperature control pipe on the lower surface, The substrate around the curved portion has high rigidity. Therefore, when the temperature control pipe is bent along the curved portion and drawn around, even if a stress is applied to the substrate around the curved portion to return the temperature control pipe to a straight straight tube, The deformation of the substrate around the curved portion is prevented or suppressed. As a result, the temperature control pipe bent and routed along the bending portion is firmly held in the pipe housing groove.

  In the present invention, since the backing sheet for closing the piping housing groove from the back is provided, the strength on the lower surface side of the substrate is also ensured. Moreover, heat radiation to the lower surface side of the substrate is also suppressed by this backing sheet.

  As shown in FIG. 11 described above, the temperature of the structure in which the small joists are disposed along the long side of the substantially rectangular substrate, and the curved portion of the pipe housing groove is disposed in the vicinity of the short side of the substrate. In the adjustment mat, if the thickness of the substrate is reduced, the rigidity of the portion between the short side of the substrate and the curved portion tends to be insufficient. In the present invention, the reinforcing sheet is disposed along the short side of the substrate as in claim 2 so that the rigidity of the portion between the short side and the curved portion of the substrate is sufficiently high. Can be.

  According to a third aspect of the present invention, the reinforcing sheet is made of a heat conductive material, and the reinforcing sheet is inserted into the pipe housing groove along the wall surface of the pipe housing groove at the pipe housing groove portion. Therefore, not only from the upper surface of the temperature adjustment pipe that is in direct contact with the heat equalization sheet, but also from the side surface of the temperature adjustment pipe that faces the wall surface of the pipe housing groove, heat is applied to the heat equalization sheet through this reinforcing sheet. Since it is transmitted, the upper surface of the temperature control mat can be efficiently heated.

  In this case, as in the fourth and seventh aspects, in manufacturing the temperature control mat, the flat sheet-like reinforcing sheet element sheet straddles the curved portion of the pipe housing groove on the upper surface of each substrate, and each After sticking across the upper surface of the substrate and small joists, the temperature control pipe is broken into the pipe housing groove by breaking the base sheet of the reinforcement sheet from above, and the reinforcement sheet is attached to the pipe accordingly. By entering the housing groove, it is not necessary to previously form a portion that enters the pipe housing groove in the reinforcing sheet, and it is easy to align the reinforcing sheet. It is possible to reduce the manufacturing cost of the mat and simplify the manufacturing process.

  As in claim 5, a metal foil having a high thermal conductivity is suitable as the reinforcing sheet.

  As described in claim 6, a soaking plate extending from the inner surface of the pipe housing groove to the upper surface of the substrate is disposed at a portion where the pipe housing groove extends linearly so as to contact the temperature control pipe. By doing so, the portion where the pipe housing groove is curvedly extended and the portion extended linearly are heated substantially uniformly as a whole.

  Hereinafter, embodiments will be described with reference to the drawings. The following embodiment is an application example of the present invention to a floor heating mat. The following embodiment is an example of the present invention, and the present invention may take other forms than the following embodiment.

[Floor heating mat 1 as a temperature control mat according to the first embodiment]
FIG. 1 is a plan view of a floor heating mat 1 as a temperature control mat according to the first embodiment, FIG. 2 is a sectional view taken along the line II-II of FIG. 1, and FIG. FIG. 4 is a sectional view taken along line IV-IV in FIG. 1, FIG. 5 is an exploded sectional view of the same portion as FIG. 4, and FIG. 6 is a curved portion of the pipe housing groove. FIG. 7 is a sectional view taken along line VII-VII in FIG. 6, and FIG. 8 is for pipe accommodation. It is sectional drawing of the same part as FIG. 7 after accommodating hot water piping in a groove | channel.

  In FIG. 1, the illustration of the soaking sheet and the soaking plate is omitted.

  In this embodiment, the floor heating mat 1 is formed by arranging small rectangular mats A to H each having a substantially rectangular shape.

  Each of these small mats A to H is for accommodating a plurality of substantially rectangular substrates 10 to 18 arranged on the small joists 30 and 30 ′ and pipes provided on the upper surfaces of the respective substrates 10 to 18. The groove 2, the hot water pipe 3 housed in the pipe housing groove 2 and routed to the upper surfaces of the substrates 10 to 18, and the curved section 2a (sixth of the pipe housing groove 2). The reinforcing sheet 5 continuously attached from the upper surface of the surrounding substrates 10 to 18 to the upper surface of the small joists 30, 30 ′, and the straight portion 2b extending linearly in the pipe housing groove 2 The soaking plate 6 disposed in (FIG. 6), and the soaking sheet 7 adhered to the upper surfaces of the small mats A to H so as to cover the hot water pipe 3, the reinforcing sheet 5, and the soaking plate 6. And a backing sheet 8 attached to the lower surface of each of the substrates 10 to 18 so as to close the bottom of the pipe housing groove 2 It is equipped with a.

  As shown in FIGS. 2-5, in this floor heating mat 1, each board | substrate 10-18 is the thickness which the groove | channel 2 for piping accommodation exposes on each bottom face.

  As shown in FIGS. 2 and 4, in this embodiment, the depth of the pipe housing groove 2 from the upper surface of each of the substrates 10 to 18 is substantially equal to the outer diameter of the hot water pipe 3. That is, the thickness of each of the substrates 10 to 18 is also substantially equal to the outer diameter of the hot water pipe 3.

  The hot water pipe 3 has a substantially circular cross-sectional shape in this embodiment.

  In this embodiment, as shown in FIGS. 3 and 5, the bottom of the cross-sectional shape in the direction orthogonal to the longitudinal direction of the pipe housing groove 2 (that is, the width direction of the pipe housing groove 2) is the outer surface of the hot water pipe 3. Is substantially U-shaped curved in a semicircular arc shape. The vicinity of the center in the width direction of the bottom of the pipe housing groove 2 passes through the substrates 10 to 18 and is exposed on the lower surfaces of the substrates 10 to 18.

  In the present invention, the outer diameter of the hot water pipe 3 is preferably 5 to 10 mm, particularly preferably 6 to 7 mm. Moreover, it is preferable that the thickness of each board | substrate 10-18 is 5-10 mm normally, especially 6-7 mm. In particular, the thickness of each of the substrates 10 to 18 is usually preferably the outer diameter of the hot water pipe 3 +0.03 to 1 mm, and particularly preferably the outer diameter of the hot water pipe 3 +0.08 to 0.1 mm.

  The backing sheet 8 is disposed along the lower surface of each substrate 10-18 so as to cover the pipe housing groove 2 exposed on the lower surface of each substrate 10-18, and is attached to the lower surface of each substrate 10-18 by an adhesive or the like. It is pasted.

  As shown in FIGS. 2 and 4, in this embodiment, each of the substrates 10 to 18 is provided with four pipe housing grooves 2. In this embodiment, the backing sheet 8 is in the form of a long and narrow strip, and covers the pipe housing grooves 2 one by one, but continuously covers a plurality of adjacent pipe housing grooves 2. It may be a thing, or may cover the substantially whole lower surface of each board | substrate 10-18.

  In this embodiment, the backing sheet 8 is made of a low thermal conductive material. As this low thermal conductive material, a nonwoven fabric, a synthetic resin sheet, paper, or the like can be used.

  The thermal conductivity of the backing sheet 8 is usually 0.02 to 0.5 W / m · k, particularly preferably 0.02 to 0.1 W / m · k.

  In this embodiment, each pipe accommodating groove 2 is formed on the longer side on the intermediate side of the longer side 21 (FIG. 6) than the vicinity of both short sides 20 (FIG. 6) of each substrate 10-18. 21 in the vicinity of both short sides 20 of each of the substrates 10 to 18, toward one end side or the other end side of each short side 20. The curved portion 2a is curved in a substantially arc shape. In other words, in this embodiment, the curved portions 2a of the pipe housing grooves 2 are disposed in the vicinity of the short sides 20 of the substrates 10 to 18, respectively.

  As shown in FIGS. 1 and 6, in this embodiment, the reinforcing sheet 5 is a belt-like sheet, and the upper surfaces of these substrates 10 to 18 along these short sides 20 of these substrates 10 to 18 and these It arrange | positions so that it may extend continuously on the upper surface of the small joists 30 and 30 'between. The width of the reinforcing sheet 5 may be a width that can cover the entire curved portion 2 a of each pipe housing groove 2. Even if the curved portion 2 a slightly protrudes from the reinforcing sheet 5. Good. In this embodiment, the width of the reinforcing sheet 5 is larger by a predetermined width (for example, 10 to 50 mm) than the width of a connecting portion 33 described later that connects adjacent substrates 10 to 18. .

  The reinforcing sheet 5 may be attached only to the upper surfaces of the respective substrates 10 to 18 and the small joists 30, 30 ′, and the side end surfaces and the small joists 30, 30 along the short side 20 of the respective substrates 10 to 18. It may be attached to the both end surfaces of 'and the side end surfaces along the outer long sides of the substrates 10 and 18 disposed at both ends of the floor heating mat 1.

  In the present invention, the reinforcing sheet 5 is preferably made of a heat conductive material. In this embodiment, the reinforcing sheet 5 is made of a metal foil such as aluminum or copper. The thickness of the reinforcing sheet 5 is preferably about 1 to 100 μm, particularly about 30 to 60 μm, and particularly about 40 μm. In this embodiment, a metal tape having an adhesive material attached to the lower surface in advance is used as the reinforcing sheet 5.

  As shown in FIGS. 4 and 8, in this embodiment, the portion of the reinforcing sheet 5 that overlaps each pipe housing groove 2 enters the pipe housing groove 2 along the wall surface of the pipe housing groove 2. It is out.

  In this embodiment, as shown in FIGS. 5 and 7, the flat sheet-like reinforcing sheet 5 is straddled across the curved portion 2 a of each pipe housing groove 2 and the upper surfaces and small joists of each substrate 10-11. Next, as shown in FIGS. 7 to 8, the hot water pipe 3 is pushed into the pipe housing groove 2 while breaking the base sheet of the reinforcing sheet 5 from above as shown in FIGS. Thus, the edge portions on both sides of the broken portion of the base sheet of the reinforcing sheet 5 are respectively pushed by the hot water pipe 3 and enter the pipe housing groove 2.

  As shown in FIGS. 4 and 8, the portions of the reinforcing sheet 5 that have entered the pipe housing groove 2 are sandwiched between the hot water pipe 3 and the wall surface of the pipe housing groove 2, respectively. It is in contact with the side surface.

  As shown in FIGS. 2 and 3, in this embodiment, the heat equalizing plate 6 includes a U-shaped portion 6a along the inner surface of the pipe housing groove 2, and each substrate from both ends (upper ends) of the U-shaped portion 6a. It has a substantially Ω-shaped cross section having a pair of flange portions 6b extending laterally along the upper surface of 10-18.

  In the straight line portion 2b of the pipe housing groove 2, the U-shaped portion 6a of the soaking plate 6 is disposed in the pipe housing groove 2, and the hot water pipe 3 is fitted into the U-shaped portion 6a from above. Thus, it is accommodated in the groove 2 for pipe accommodation.

  The soaking plate 6 is made of a metal foil such as aluminum or copper. The thickness of the soaking plate 6 is usually 30 to 200 μm, particularly preferably 70 to 150 μm, and particularly preferably about 100 μm.

  The soaking sheet 7 has a size and shape that covers the entire top surface of the temperature control mat 1. The soaking sheet 7 is also made of a metal foil such as aluminum or copper. The thickness of the soaking sheet 7 is usually preferably about 20 to 150 μm, more preferably about 30 to 50 μm, and particularly preferably about 40 μm.

  As shown in FIGS. 2 to 4, in this embodiment, the small joists 30 and 30 ′ are attached to the upper and lower surfaces of the strip-like small joist main body 30a with adhesives or the like, respectively. It becomes. In this embodiment, the total thickness of the small joist main body 30a and the upper and lower reinforcing plates 30b, 30b is substantially the same as the thickness of each of the substrates 10-18.

  Each small joist 30 extends along the long side of the adjacent substrates 10 to 18, and the upper and lower surfaces of the respective small joists 30 are substantially flush with the upper and lower surfaces of the adjacent substrates 10 to 18, respectively. It is arranged like this.

  Below, the structure of this floor heating mat 1 is demonstrated in detail.

  As shown in FIG. 1, the small mats A to D are arranged in a line in this order, and the small mats E to H are arranged in a line so as to be adjacent to the small mats A to D in this order.

  The small mats A to D and E to H are arranged so that the long sides of each other abut each other. Further, between the rows of the small mats A to D and the rows of the small mats E to H, the small mats A and E, B and F, C and G, and D and H are short of each other. It arrange | positions so that edge | sides may be faced | matched.

Reference numeral T ₁ indicates a butt portion between the small mats A and B and between E and F, T ₂ indicates a butt portion between the small mats B and C, and between F and G, and T ₃ indicates the small mats C and D. during and G, it shows the butt portion between H, T ₄ denotes the butt portion between the rows of columns and a small mat E~H small mat to D. In this embodiment, the floor heating mat 1 can be folded by folding the small mats A to H along the abutting portions T _{1 to} T ₄ .

  In this embodiment, each of the small mats B and C and F and G is formed by arranging two small mats having the same configuration in the up-down direction in FIG. Yes. Further, the small mats F and G are configured such that the long sides of the small mats B and C are extended to substantially the same length as the long side of the small mat E, and the other configurations are the same as those of the small mats B and C. It has become. The small mat H also has a configuration in which the long side of the small mat D is extended to substantially the same length as the long side of the small mat E, and the other configuration is the same as that of the small mat D.

  In this embodiment, the small mat A includes three rectangular substrates 10 to 12 and two small joists 30, 30 ′, with each longitudinal direction being the long side direction of each small mat A. The small mats A are alternately arranged in the short side direction.

  Each of the small mats B, C, F, and G includes four rectangular substrates 13 to 16 and three small joists 30, and the longitudinal directions of the small mats B, C, F, and G, respectively. As the long side direction, the small mats B, C, F, and G are alternately arranged in the short side direction.

  Each of the small mats D and H has two rectangular substrates 17 and 18 and one small joist 30 each having a longitudinal direction as a long side direction of each small mat D and H. It has a configuration in which D and H are alternately arranged in the short side direction.

  The small mat E has three rectangular substrates 10 to 12 and two small joists 30 alternately in the short side direction of the small mat E, with each of the long sides being the long side direction of the small mat E. It is the arrangement arranged in.

  Each board | substrate 10-18 is arrange | positioned so that each long side may be faced | matched with adjacent small joists 30, 30 '. The lengths of the substrates 10 to 18 are substantially equal to the widths of the small mats A to H in the long side direction. Further, the length of each small joist 30, 30 'is shorter than the length of the adjacent substrates 10-18.

  A small joist 30 ′ between the substrates 10 and 11 of the small mat A includes a long long joist 31 and a short small joist 32. The long joist 31 is arranged with the end opposite to the small joist 32 aligned with one end of the substrates 10, 11. The small joist 32 has the end opposite to the long joist 31 as the substrate 10, 11. 11 is aligned with the other end. A space for piping is provided between the ends of the long and small joists 31 facing each other. The small joist A 30 between the substrates 11 and 12 of the small mat A has a space for piping passing between one end of the small mat A and the one end of the substrates 11 and 12, and the other end of the small mat A is the other of the substrates 11 and 12. It is arranged at the edge.

  The substrates 10 and 11 of the small mat A are connected by a connecting portion 33 formed so as to cross the space between the long and small joists 31 and 32. Further, the substrates 11 and 12 of the small mat A are connected by a connecting portion 33 formed so as to go around the other end side of the small joist 30 between them. The connecting portion 33 between the substrates 11 and 12 extends along the short side 20 of each substrate 11 and 12.

  In the small mats B, C, F, and G, each small joist 30 between the substrates 13 and 14 and between the substrates 15 and 16 is arranged so that one end is aligned with one end of each of the substrates 13 to 16. The small joists 30 between the substrates 14 and 15 are disposed so that the other ends are aligned with the other ends of the substrates 13 to 16. The substrates 13 and 14 and 15 and 16 are connected to each other by a connecting portion 33 formed so as to go around the other end side of the small joist 30 between them. The substrates 14 and 15 are connected to each other by a connecting portion 33 formed so as to go around the one end side of the small joist 30 between them. These connecting portions 33 also extend along the short sides 20 of the substrates 13 to 16.

  In the small mats D and H, the small joists 30 between the substrates 17 and 18 are arranged so that one end thereof is aligned with one end of the substrates 17 and 18. The substrates 17 and 18 are connected to each other by a connecting portion 33 formed so as to go around the other end of the small joist 30 therebetween. The connecting portion 33 also extends along the short side 20 of each of the substrates 17 and 18.

  In the small mat E, the small joist 30 between the substrates 10 and 11 is arranged so that one end thereof is aligned with one end of the substrates 10 and 11, and the small joist 30 between the substrates 11 and 12 is the other The ends are aligned with the other ends of the substrates 11 and 12. The substrates 10 and 11 of the small mat E are connected by a connecting portion 33 formed so as to go around the other end side of the small joist 30 between them. The substrates 11 and 12 of the small mat E are connected by a connecting portion 33 formed so as to go around the one end side of the small joist 30 between them. These connecting portions 33 also extend along the short sides 20 of the respective substrates 10 to 12.

  As shown in FIG. 1, the small mats A and E are arranged so that the substrate 12 abuts the substrates 13 of the small mats B and F, respectively. Further, the small mats C and G are arranged so that the respective substrates 16 are abutted against the substrates 16 of the small mats B and F with the vertical direction in FIG. Yes. The small mats D and H are arranged so that the respective substrates 17 abut against the substrates 13 of the small mats C and G, respectively.

  Hereinafter, the small joists A and D and the small joists 30 and 30 'of the small mats E and H are respectively arranged in the first row in order from the small joists 30, 30' arranged on the leftmost side in FIG. , 30th row, 30th row, 30th row, 30th row, 30th row, 30th row, 30th row, 30th row, 30th row, 30th row These are referred to as the small joist 30 in the eye, the small joist 30 in the eighth row, the small joist 30 in the ninth row, and the small joist 30 in the tenth row.

As FIG. 1, in this embodiment, in the column of the small mat to D, the butt portion T ₄ and the opposite end portion of the third column and subsequent odd-numbered column of the small joists 30 (hereinafter, each the end opposite to the butt portion T ₄ of the small joists 30, 30 'may be called outer edge portion.) is the side opposite the said butt portion T ₄ of the small mat A~D respectively (hereinafter, the the butted portion T ₄ of the small mat A~H opposite sides may be referred to the outer edges are aligned in.), the butted portion T ₄ side ends of the small joists 30 (hereinafter, the small joists 30, 30 the ends of the butted portion T ₄ side 'may be referred to the inner end portion.) and the small mat A~D of the butt portion T ₄ side edges (hereinafter butt of the small mat A~H the section T ₄ side edges may be called inner sides.) each connecting portion 33 in the space between the can Has been placed.

  The inner end portions of the small joists 30 in even rows in the rows of the small mats A to D are aligned with the inner sides of the small mats A to D, respectively. Connecting portions 33 are arranged in spaces between the outer sides of the mats A to D, respectively.

  In the rows of small mats E to H, the inner ends of the small joists 30 in the odd rows are aligned with the inner sides of the small mats E to H, respectively, and the outer ends of these small joists 30 and each small mat are arranged. The connection part 33 is arrange | positioned at the space between the outer sides of EH, respectively. Further, the outer ends of the small joists 30 in the even rows in the rows of the small mats E to H are aligned with the outer sides of the small mats E to H, respectively. Connecting portions 33 are arranged in spaces between the inner sides of the mats E to H, respectively.

  In this embodiment, a header (not shown) to which the hot water pipe 3 is connected is installed on the substrate 10 of the small mat E. The substrate 10 is formed with a rectangular notch-shaped header installation portion 10a at the corner opposite to the substrate 11 on the outer side, and the header is installed in the header installation portion 10a. However, the structure for supplying hot water to the hot water pipe 3 is not limited to this. For example, the header may not be arranged on the mat, and the hot water pipe 3 may be drawn out of the mat, and joined to the hot water pipe 3 of another mat outside the mat and dropped below the floor.

  Four pipe housing grooves 2 are provided on the top surfaces of the substrates 10 to 18, respectively.

  In the small mats B, C, F, and G substrates 14, 15 and the small mats D and H substrates 18 and the small mat E substrate 11, each of the four pipe housing grooves 2 is the substrate. In the middle of the long side 21 than the short sides 20 of 10, 11, 14, 15, 18, it extends linearly along the long side 21 (straight line portion 2b), and is in the vicinity of both short sides 20 Then, each is curved in a substantially quadrant arc shape toward the connecting portion 33 connected to the short side 20 (curved portion 2a). Each piping accommodation groove | channel 2 which went to this connection part 33 from this curved part 2a passes through this connection part 33, respectively, and is following to each piping accommodation groove | channel 2 of the board | substrates 10-18 adjacent.

  In the boards 12, 13, 16, and 17, two of the four pipe housing grooves 2 are longer than the short sides 20 of the boards 12, 13, 16, and 17, respectively. In the middle side, it extends linearly along the long side 21, and in the vicinity of the short side 20 connected to the connecting portion 33 of the substrates 12, 13, 16, 17, it is approximately four toward the connecting portion 33. Curved in a circular arc shape. Hereinafter, of these, the one close to the small joist 30 adjacent to the substrates 12, 13, 16, and 17 is referred to as the first pipe housing groove 2, and the one far from the small joist 30 is the second pipe housing groove. Two.

As shown in FIG. 1, the first pipe housing groove 2 is U-turned in a substantially semicircular arc shape in the vicinity of the short side 20 on the side opposite to the connecting portion 33 of the substrates 12, 13, 16, and 17. and then extends so as to meander in a substantially S-shape, the end faces in the abutting portion _T 1 through T ₃ side of the longitudinal edges 21 of the substrate 12, 13, 16, 17. In addition, the second pipe housing groove 2 is curved toward the butted portions T _{1 to} T ₃ on the way to the short side 20 opposite to the connecting portion 33 of the substrates 12, 13, 16, and 17. end faces the said butt portion _T 1 through T ₃ side of the longitudinal edges 21 of the substrate 12, 13, 16, 17.

  As shown in FIG. 1, in this embodiment, the curved portion near the end of the second pipe housing groove 2 is a short side opposite to the connecting portion 33 of the substrates 12, 13, 16, and 17. The reinforcing sheet 5 is not attached to the upper surface of the substrates 12, 13, 16, and 17 around the curved portion near the end of the second pipe housing groove 2. However, the reinforcing sheet 5 may also be adhered to the upper surfaces of the substrates 12, 13, 16, and 17 around the curved portion near the end of the second pipe housing groove 2.

The remaining two pipe housing grooves 2 of each of the substrates 12, 13, 16, and 17 are substantially shortened from the connecting portion 33 connected to the substrates 12, 13, 16, and 17, respectively. extends across the Tehen direction, each of the end faces in the abutting portion _T 1 through T ₃ side of the longitudinal edges 21 of the substrate 12, 13, 16, 17. Hereinafter, among these, the side far from the short side 20 connected to the connecting portion 33 of the substrates 12, 13, 16, and 17 is referred to as the third pipe housing groove 2, and the side close to the short side 20 is the fourth. This is referred to as a pipe housing groove 2.

  Each of the third pipe housing groove 2 and the fourth pipe housing groove 2 is curved and extended in a substantially quadrant arc shape so as to move away from the short side 20 as the distance from the connecting portion 33 increases. is doing.

In the long side 21 on the abutting portion T _{1 to} T ₃ side of each of the substrates 12, 13, 16, and 17, the first piping from the short side 20 that is farther from the connecting portion 33 of the substrates 12, 13, 16, and 17. The distance from the short side 20 closer to the connecting portion 33 to the end facing the long side 21 of the housing groove 2 is the distance from the short side 20 closer to the connecting portion 33 to the end facing the long side 21 of the fourth pipe housing groove 2. It is almost equidistant. Further, the distance from the short side 20 far from the connecting portion 33 to the end facing the long side 21 of the second pipe housing groove 2 is from the short side 20 closer to the connecting portion 33 to the third side. The distance to the end of the pipe housing groove 2 facing the longitudinal side 21 is substantially equal.

Thus, between the adjacent small mats A and B and between the substrates 12 and 13 between E and F, between the small mats B and C, between the substrates 16 and 16 between F and G, and between the small mats C, Between the substrates 13 and 17 between D and between G and H, the ends of the first pipe housing grooves 2 and the fourth pipe housing grooves 2 across the butted portions T _{1 to} T _3. And the ends of the second pipe housing groove 2 and the third pipe housing groove 2 face each other, and these pipe housing grooves 2 are continuous across the abutting portions T _{1 to} T _3. It has become.

In this embodiment, the end portions of the pipe housing grooves 2 extend along the long sides 21 on the side of the abutting portions T _{1 to} T _{3 of the} substrates 12, 13, 16, and 17, respectively. Each pipe housing groove 2 is gently curved toward this end. Further, these pipe housing grooves 2 are curved so as to be convex toward the opposite sides across the butted portions T _{1 to} T ₃ , so that these pipe housing grooves 2 are It extends in a substantially S shape across the butted portions T _{1 to} T ₃ .

Curved portion of the thus ends butted portion _T 1 through T ₃ (i.e. floor heating mat 1 of the folding line portion) faces the pipe receiving groove 2 of each substrate 12, 13, 16, 17, respectively, first As shown in the figure, it is preferable that the curve extends so as to draw a curve having a radius of curvature as large as possible. In particular, as shown in FIG. 1, the curvature radius of the curved portion of the third pipe accommodating groove 2 is maximized among the four pipe accommodating grooves 2 of the substrates 12, 13, 16, and 17. It is preferable to do.

  In the substrates 10 and 11 of the small mat A, each of the four pipe housing grooves 2 is along the longitudinal side 21 on the intermediate side of the longitudinal side 21 with respect to the short side 20 of the substrate 10. The pipe accommodating groove 2 that is closest to the small joist 30 'and the pipe accommodating groove 2 that is second closest to the small joist 30' are the substrates 10 and 11, respectively. In the vicinity of the connecting portion 33 between them, the outer side and the inner side of the small mat A are separated from the connecting portion 33. The outer side and the inner side of the pipe housing groove 2 are curved in a quadrant toward the connecting portion 33 in the vicinity of the connecting portion 33, For pipe accommodation nearest to the outer side of the pipe accommodation groove 2 closest to the small joist 30 ', between the outer sides of the pipe accommodation groove 2 closest to the small joist 30', and to the small joist 30 ' The inner side sides of the groove 2 and the inner side sides of the pipe housing groove 2 that is second closest to the small joist 30 ′ are continuous via the connecting portion 33.

  In this embodiment, the reinforcing sheet 5 is not attached to the curved portion of each pipe accommodating groove 2 in the vicinity of the connecting portion 33 between the substrates 10 and 11, but the reinforcing sheet 5 is also reinforced in this portion. The sheet 5 may be stuck.

  In the substrate 10 of the small mat A, the pipe housing groove 2 closest to the small joist 30 'and the pipe housing groove 2 farthest from the small joist 30' are respectively on the outer side of the small mat A of the substrate 10. In the vicinity of the short side 20, they are curved in a substantially quadrant arc toward the middle side of the short side 20 and are continuous with each other. Further, the pipe housing groove 2 that is the second closest to the small joist 30 ′ of the substrate 10 and the pipe housing groove 2 that is the second most distant from the small joist 30 ′ are respectively on the outer side of the small mat A of the substrate 10. In the vicinity of the short side 20, they are curved in a substantially quadrant arc toward the middle side of the short side 20 and are continuous with each other.

  In the substrate 11 of the small mat A, the pipe housing groove 2 closest to the small joist 30 'and the pipe housing groove 2 farthest from the small joist 30' are respectively on the inner side of the small mat A of the substrate 10. In the vicinity of the short side 20, they are curved in a substantially quadrant arc toward the middle side of the short side 20 and are continuous with each other. Further, the pipe housing groove 2 that is the second closest to the small joist 30 ′ of the substrate 10 and the pipe housing groove 2 that is the second most distant from the small joist 30 ′ are respectively on the inner side of the small mat A of the substrate 10. In the vicinity of the short side 20, they are curved in a substantially quadrant arc toward the middle side of the short side 20 and are continuous with each other.

  In the vicinity of the short side 20 on the outer side of the small mat A of the substrate 11, each of the pipe housing grooves 2 is curved in a substantially quadrant arc shape toward the connecting portion 33 connected to the substrate 11. Through the connecting portion 33, the pipe accommodation groove 2 of the adjacent substrate 12 is continuous.

As shown in FIG. 1, in the substrate 10 of the small mat A, the end portion on the small mat E side of each pipe receiving groove 2 is the inner side of the substrate 10, that is, between the small mats A and E, respectively. It faces the butted portion _{T 4.} Also in the substrate 10 of the small mat E, the ends of the small mat A side of each pipe receiving groove 2, respectively, the inner sides of the substrate 10, i.e., a small mat A, face the butted portion T ₄ between E It is out. The each pipe receiving groove 2 of the small mat A side end portions of the pipes containment groove 2 of the small mat E side is facing across the butted portion T ₄ respectively, thereby, for the pipes accommodated groove 2 has, are continuous to the small mat E from the small mat a across the butt portion T _4.

Each pipe accommodating groove 2 of the substrate 10 of the substrate 10 and small mats E of the small mat A, respectively, are curved in a substantially arc shape in the vicinity of the butted portion T _4, thereby, each of the end the along the butted portion T ₄ has as extending. Note that the curved portion of the pipe receiving groove 2 of the bending portion of each pipe receiving groove 2 of the butt portion T ₄ sandwiched therebetween small mat A side and the small mat E side is curved in opposite directions, Thereby, each piping accommodation groove | channel 2 has extended in the substantially S shape from the small mat A side to the small mat E side.

  In the substrate 10 of the small mat E, the four pipe housing grooves 2 are all linear along the long side 21 on the intermediate side of the long side 21 with respect to the short side 20 of the substrate 10. It is extended. Among these, the pipe housing groove 2 closest to the small joist 30 between the substrates 10 and 11 and the pipe housing groove 2 second closest to the small joist 30 are on the outer side of the small mat E of the substrate 10. In the vicinity of the short side 20, it curves in a substantially quadrant shape toward the connecting portion 33 connected to the substrate 10, passes through the connecting portion 33, and forms the four pipe housing grooves 2 of the adjacent substrate 11. It continues to two of them.

  Each of the remaining two pipe housing grooves 2 of the substrate 10 has an end facing the header installation portion 10a on the outer side of the small mat E. Further, the remaining two strips that are not connected to the pipe housing groove 2 of the substrate 10 among the pipe housing grooves 2 of the adjacent substrate 11 also pass through the connecting portions 33 between the substrates 10 and 11, respectively. After entering the top, each end faces the header installation portion 10a.

The hot water pipe 3 is housed in the pipe housing groove 2 and continuously routed to the substrates 10 to 18, and is continuously routed to the small mats A to H across the T _{1 to} T _4. Has been.

In this embodiment, the hot water pipe 3 has one end connected to the header in the header installation portion 10a, is routed to the substrate 10 of the small mat A across the butted portion T ₄ from the substrate 10 of the small mat E, then The small mat A substrate 10 passes through the connecting portions 33 and the small mat A substrates 11 and 12, the small mat B 13 to 16, the small mat C substrates 16 to 13, and the small mat D substrate 17. It is routed to the substrate 18 of the small mat D, and then makes a U-turn with the substrate 18 of the small mat D, and again each connection portion 33 and the substrate 17 of the small mat D, the substrates 13 to 16 of the small mat C, substrate of small mats D 16-13, back to the substrate 10 of the small mat a through the substrate 12, 11 of the small mat a, then, the small mat E across the butted portion _{T 4} from the substrate 10 of the small mat a Pull on the substrate 10 Next, from the substrate 10 of the small mat E to each connecting portion 33 and the substrates 11 and 12 of the small mat E, 13 to 16 of the small mat F, substrates 16 to 13 of the small mat G, and substrates of the small mat H 17 is routed to the substrate 18 of the small mat H, then U-turns on the substrate 18 of the small mat H, and again the connecting portions 33 and the substrate 17 of the small mat H and the substrate of the small mat G. 13 to 16, the small mat F substrates 16 to 13, and the small mat E substrates 12 and 11 to return to the small mat E substrate 10, and the other end is connected to the header.

  In addition, the piping route of the hot water piping 3 is not limited to this.

  In this embodiment, in the row of the small mats A to D, along the inner side and the outer side of each of the small mats A to D, the belt-shaped reinforcing sheet 5 is continuously formed on the upper surface of the small mats A to D. Is attached. In the row of the small mats E to H, the belt-shaped reinforcing sheet 5 is continuously attached to the upper surfaces of the small mats E to H along the inner side and the outer side of the small mats E to H, respectively. Has been.

  As described above, in this embodiment, the width of the reinforcing sheet 5 is larger than the width of the connecting portion 33 that connects the substrates 10 to 18. Accordingly, the reinforcing sheet 5 overlaps the upper surface of the end of the small joist 30 facing the connecting portion 33 even between the substrates 10 to 18 adjacent to each other with the connecting portion 33 interposed therebetween. It can be attached to the upper surface of all the small joists 30 between 18.

  By this reinforcing sheet 5, the surrounding portions of the curved portion 2a of the pipe housing groove 2 of each substrate 10-18 are connected to each other, and the surrounding portions of the curved portion 2a of the substrates 10-18 are adjacent to the small joists 30, 30. It is linked to '.

  Although not shown in FIG. 1, in this embodiment, the soaking plate 6 is disposed on the straight portion 2 b of the pipe housing groove 2 where the reinforcing sheet 5 does not overlap. Thereby, the piping accommodation groove | channel 2 is covered with the reinforcement sheet 5 and the soaking | uniform-heating board 6 over the substantially full length.

Although not shown, in this embodiment, soaking the sheet 7 covering the upper surface of the small mat A~D they are continuous across the butted portion T ₁ through T ₃ of the small mat A~D each other It has become a thing. The soaking sheet 7 covering the upper surfaces of the small mats E to H is also continuous across the butted portions T _{1 to} T ₃ between the small mats E to H. And soaking the sheet 7 covering the columns of the small mat to D, the soaking sheet 7 covering the columns of small mats E-H, it is divided along the butted portion T _4.

That is, in this embodiment, the rows of the small mats A to D are valley-folded along the abutting portions T _{1 to} T _3, and the rows of the small mats E to H also extend along the abutting portions T _{1 to} T ₃ . and valley fold Te, then the small mat a, by mountain fold along the butted portion T ₄ between E, thereby making it possible to fold the floor heating mat 1.

  The manufacturing method of this floor heating mat 1 is as follows. First, the small mats A to H are constructed by arranging the substrates 10 to 18 and the small joists 30, 30 'as shown in FIG. Note that the backing sheet 8 may be pasted on the lower surface of the substrates 10 to 18 in advance, or may be pasted in a process after the substrates 10 to 18 and the small joists 30, 30 'are arranged.

  Next, along the inner side and the outer side of the small mats A to H, a flat sheet-like reinforcing sheet 5 is stuck on the upper surface of the small mats A to H. Further, a soaking plate is disposed on the straight portion 2 b of each pipe housing groove 2. Note that either the reinforcing sheet 5 or the soaking plate 6 may be installed first.

  Next, the hot water pipe 3 is disposed as shown in FIG. At this time, the hot water pipe 3 is fitted into the U-shaped part 6 a of the soaking plate 6 in the straight part 2 b of the pipe housing groove 2. Further, in the curved portion 2a of the pipe housing groove 2, as shown in FIGS. 6 to 8, the hot water pipe 3 is pushed into the pipe housing groove 2 while the reinforcing sheet 5 is broken from above. As the hot water pipe 3 is pushed in, the edges on both sides of the broken portion of the reinforcing sheet 5 are pushed by the hot water pipe 3 and enter the pipe housing groove 2.

  Thereafter, the soaking sheet 7 is arranged so as to continuously cover the upper surfaces of the small mats A to D and the small mats E to H, and the soaking sheet 7 is adhered to these upper surfaces.

  Thereby, the floor heating mat 1 is completed.

  In the floor heating mat 1 configured as described above, each of the boards 10 to 18 is so thin that the pipe accommodating groove 2 provided on the upper surface is exposed on the lower surface. The overall thickness of the heating mat 1 is also small.

  Although illustration is omitted, in the case of constructing a heating floor using the floor heating mat 1, the floor heating mat 1 is laid on a floor base (for example, an existing floor in the case of floor reform), Lay the finished flooring. As described above, since the floor heating mat 1 is small in thickness, the difference between the level of the floor where the floor heating mat 1 is laid and the floor level of the room where the floor heating mat 1 is not laid. Can be kept small.

  In addition, since the floor heating mat 1 is small in this way, the floor level is excessive even if a thick flooring material laid on the floor heating mat 1 is used. It is prevented from becoming high. Thus, the strength and rigidity of the constructed heating floor can be increased by using the finished floor material having a large thickness. In addition, the degree of freedom in selecting the finishing floor material is increased.

  In this temperature control mat 1, the upper surface of the substrates 10-18 straddles the curved portion 2a of the pipe housing groove 2, and straddles the upper surfaces of the substrates 10-18 and the small joists 30, 30 '. In this way, the reinforcing sheet 5 is attached. That is, the peripheral portions of the curved portions 2a of the respective substrates 10 to 18 and the peripheral portions of the curved portions 2a and the small joists 30, 30 'are connected by the reinforcing sheet 5, so that the pipe accommodating groove is formed on the lower surface. Even if the thickness of the substrates 10 to 18 is so small that 2 is exposed, the rigidity of the peripheral portion of the curved portion 2a of the substrates 10 to 18 is high. Therefore, when the temperature adjustment pipe 3 is bent along the curved portion 2a and drawn, the hot water pipe 3 tries to return to a straight straight tube with respect to the peripheral portion of the curved portion 2a of each substrate 10-18. Even if a stress is applied, deformation of the peripheral portion of the curved portion 2a is prevented or suppressed. Thereby, it is possible to hold | maintain firmly the hot water piping 3 curved and routed along this curved part 2a.

  In this embodiment, small joists 30 and 30 ′ are disposed along the long side 21 of the substantially rectangular substrate 10 to 18, and the pipe housing groove 2 is provided in the vicinity of the short side 20 of each of the substrates 10 to 18. Therefore, if the thickness of the substrate 10-18 is reduced, the rigidity of the portion between the short side 20 of the substrate 10-18 and the curved portion 2a tends to be insufficient. However, in this floor heating mat 1, since the reinforcing sheet 5 is disposed along the short side 20 of each substrate 10-18, the short side 20 and the curved portion 2a of each substrate 10-18. The rigidity between the two is sufficiently high.

  Moreover, in this floor heating mat 1, since the backing sheet 8 is affixed to the lower surface of each substrate 10-18 so as to block each pipe housing groove 2, the lower surface of each substrate 10-18. The strength of the side is also secured. Further, the backing sheet 8 also suppresses heat radiation from the pipe housing grooves 2 to the lower surfaces of the substrates 10 to 18.

  Furthermore, in this embodiment, as shown in FIGS. 2 to 5, each pipe housing groove 2 exposed on the lower surface of each substrate 10 to 18 is formed by making the sectional shape of each pipe housing groove 2 substantially U-shaped. The width of is smaller. Also by comprising in this way, the thermal radiation to the lower surface of each board | substrate 10-18 from each piping accommodation groove | channel 2 is suppressed.

  In this embodiment, the reinforcing sheet 5 is made of a heat conductive material such as a metal foil, and the reinforcing sheet 5 extends along the wall surface of the pipe housing groove 2 at a portion overlapping the pipe housing groove 2. In the pipe housing groove 2. Thereby, not only from the upper surface of the hot water pipe 3 in direct contact with the soaking sheet 7, but also from the side surface of the hot water pipe 3 facing the wall surface of the pipe housing groove 2 through the reinforcing sheet 5, the soaking is performed. Since heat is transmitted to the sheet 7, the upper surface of the floor heating mat 1 can be efficiently heated.

  In this embodiment, when manufacturing the floor heating mat 1, the flat sheet-like reinforcing sheet 5 is straddled across the curved portion 2a of the pipe housing groove 2 on the upper surface of each substrate 10-18, and After sticking so as to straddle the upper surfaces of the substrates 10 to 18 and the small joists 30, 30 ′, the raw sheet of the reinforcing sheet 5 is broken from the upper side of the hot water pipe 3 and pushed into the pipe housing groove 2. Thus, the reinforcing sheet 5 is made to enter the pipe housing groove 2. Therefore, it is not necessary to previously form a portion that enters the pipe housing groove 2 in the reinforcing sheet 5 and the positioning of the reinforcing sheet 5 is easy, so that the manufacturing cost of the floor heating mat 1 can be reduced. It is possible to simplify the manufacturing process.

  Furthermore, in this embodiment, the pipe housing groove 2 extends in a straight line from the inner surface of the pipe housing groove 2 to the upper surfaces of the substrates 10 to 18 so as to be in contact with the hot water pipe 3. Since the extending heat equalizing plate 6 is disposed, the portion where the pipe housing groove 2 is curved and extended and the portion extending linearly are heated substantially uniformly as a whole. Become.

[Floor heating mat 1A as a temperature control mat according to the second embodiment]
FIG. 9 is a sectional view of a floor heating mat 1A as a temperature control mat according to the second embodiment, and FIG. 10 is an exploded sectional view of the floor heating mat 1A. 9 and 10 show a cross section of the same part as in FIG.

  This floor heating mat 1A is the same as that of the floor heating mat 1 of FIGS. 1 to 8 described above (the substrates 10 to 12 and 16 to 18 are not shown in FIGS. 9 and 10; the same applies hereinafter). In addition, instead of the pipe housing groove 2 having a substantially U-shaped cross section, a pipe housing groove 2A having a substantially square cross section is formed.

  As shown in FIGS. 9 and 10, the pipe housing groove 2 </ b> A has a substantially equal width from the upper surface to the lower surface of each of the substrates 10 to 18.

  The other structure of this floor heating mat 1A is the same as that of the floor heating mat 1 of FIGS. 1 to 8. In FIGS. 9 and 10, the same reference numerals as those in FIGS. 1 to 8 denote the same parts.

  In this floor heating mat 1A, the cross-sectional shape of each groove-pipe accommodation groove 2A is substantially square, and is substantially equal in width from the upper surface to the lower surface of each substrate 10-18. It is easy to mold the substrates 10 to 18 with 2A.

  Even in this floor heating mat 1 </ b> A, the same effects as the floor heating mat 1 are achieved except for the effect of suppressing heat radiation to the lower surface side, which is achieved by the substantially U-shaped pipe housing groove 2.

[Materials]
Although the following are mentioned as an example of the material of said each member, It is not limited to these.

  As the substrate, for example, foamed synthetic resin such as foamed polypropylene, foamed polystyrene, foamed polyethylene, and foamed polyurethane, as well as wood and the like can be used. The foamed synthetic resin is preferably one in which the internal bubbles are closed cells from the viewpoint of heat insulation.

  In the present invention, the backing sheet is preferably made of a low thermal conductive material as described above. As this low thermal conductive material, a nonwoven fabric, a synthetic resin sheet, paper, or the like can be used.

  As the small joist, wood, synthetic wood capable of nailing, synthetic resin, synthetic resin foam or the like is preferable.

  When the reinforcing plates 30b and 30b are attached to the upper and lower surfaces of the small joist body 30a as in the small joists 30 and 30 'in each of the above embodiments, for example, a plywood is used as the small joist main body 30a. As the reinforcing plate 30b, a metal plate or metal foil, a resin plate, or a plate material made of a composite material of metal and resin can be used. In this case, the thickness of the reinforcing plate 30b is set such that a nail enters the reinforcing plate 30b.

  However, the configuration of Kokoneta is not limited to this. For example, in the present invention, the reinforcing plate may be provided only on one of the upper surface or the lower surface of the small joist body. Further, the reinforcing plate may be omitted if the small joist body has sufficient strength.

  As the soaking sheet and soaking plate, a metal foil such as aluminum or copper is preferable.

  By laminating a film of polyethylene terephthalate or the like on the surface of the soaking sheet, it is possible to prevent the soaking sheet from being damaged when the temperature control mat is packed or transported. The material of this film may be other than polyethylene terephthalate.

  Examples of the hot water pipe include a synthetic resin tube such as flexible polyethylene and a copper pipe.

[Other configurations]
Each of the above embodiments shows an example of the present invention, and the present invention is not limited to the illustrated configuration.

  The number of substrates constituting the temperature control mat of the present invention is not particularly limited, and the temperature control mat may be configured using a number of substrates other than those described above.

  In the present invention, a low thermal conductive material may be provided inside the pipe housing groove so as to close the bottom of the groove. In addition, when a soaking plate is provided, a low heat conductive material may be attached to the outer surface of the soaking plate. By comprising in this way, the thermal radiation to the lower surface side of a board | substrate is further suppressed.

  In the present invention, a penetration preventing layer having penetration resistance may be provided at least below the backing sheet. By configuring in this way, for example, even if the surface of the floor foundation is rolled up and sharply pointed spines protrude, the spines are prevented from penetrating the backing sheet and sticking into the temperature control pipe.

  As this penetration prevention layer, the single layer or multilayer sheet made from a synthetic resin is suitable.

  When a temperature control mat is constructed by laying a temperature control mat on an existing floor coated with wax, the heat from the temperature control mat may cause the wax on the existing floor surface to melt. In this case, when a person walks on the temperature control floor, the temperature control mat may slide on the existing floor and make a sound due to the melted wax.

  Therefore, in this invention, you may provide the wax absorption layer which consists of paper or a nonwoven fabric under the penetration prevention layer. By configuring in this way, even if the wax on the existing floor surface melts, the wax is absorbed by the wax absorption layer, so that the temperature control mat can be prevented or suppressed from making a sound.

  In the present invention, the penetration preventing layer itself may be made of paper or non-woven fabric, and the penetration preventing layer itself may be configured to absorb wax.

  Although the above embodiment relates to a floor heating mat, the temperature adjustment mat of the present invention may be arranged on a wall, a ceiling, or the like. Moreover, you may make it cool by passing cold water instead of warm water through piping. You may distribute | circulate heat media, such as oil other than water and antifreeze.

It is a top view of floor heating mat 1 as a temperature regulation mat concerning a 1st embodiment. It is sectional drawing which follows the II-II line of FIG. FIG. 3 is an exploded cross-sectional view of the same portion as FIG. 2. It is sectional drawing which follows the IV-IV line of FIG. FIG. 5 is an exploded cross-sectional view of the same part as in FIG. 4. It is a perspective view of VI vicinity of FIG. 1 before accommodating a hot water piping in the curved part of the groove | channel for piping accommodation. It is sectional drawing which follows the VII-VII line of FIG. It is sectional drawing of the same part as FIG. 7 after accommodating warm water piping in the groove | channel for piping accommodation. It is sectional drawing of the floor heating mat 1A as a temperature control mat which concerns on 2nd Embodiment. FIG. 10 is an exploded sectional view of the floor heating mat 1 </ b> A in FIG. 9. It is a top view of the temperature control mat which concerns on a prior art example. It is a perspective view of the soaking plate of the temperature control mat which concerns on a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,1A Floor heating mat 2,2A Piping accommodation groove 3 Warm water piping 5 Reinforcement sheet 6 Heat equalizing plate 6a U-shaped part 6b Flange part 7 Heat equalizing sheet 8 Backing sheet 10-18 Substrate 30 Small radish 30a Small radish main body 30b Reinforcing plate

Claims (7)

A plurality of substrates arranged with small joists across,
A pipe housing groove provided on the upper surface of each substrate;
A temperature control pipe housed in the pipe housing groove;
A soaking sheet disposed on the upper surface of the substrate,
The pipe housing groove is a curved portion extending at least partially curved,
In the temperature control mat, at least a part of the temperature control pipe is accommodated in the curved portion and extends in a curved manner.
The substrate has a thickness such that the pipe housing groove is exposed on the lower surface of the substrate,
A backing sheet is provided on the lower surface of the substrate to close the groove for accommodating the pipe,
A reinforcing sheet is provided on the upper surface of the substrate so as to be pasted over at least a part of the curved portion, and is pasted over the upper surfaces of the substrate and the small joists. Temperature control mat. In claim 1, the substrate is substantially rectangular, and the small joists are arranged along the long side of the substrate,
The curved portion is disposed in the vicinity of the short side of the substrate;
The temperature control mat, wherein the reinforcing sheet extends along a short side of the substrate. In Claim 1 or 2, the reinforcing sheet is made of a heat conductive material,
The temperature control mat, wherein the reinforcing sheet is inserted into the pipe accommodation groove along the wall surface of the pipe accommodation groove at the pipe accommodation groove.   4. The reinforcing sheet according to claim 3, wherein the reinforcing sheet is a flat sheet-like reinforcing sheet attached to the substrate, and then the temperature adjusting pipe is broken from above the reinforcing sheet to make the pipe accommodating. A temperature control mat, wherein the mat is inserted into the groove for pipe accommodation by being inserted into the groove.   5. The temperature control mat according to claim 3, wherein the reinforcing sheet is made of a metal foil.   6. The pipe housing groove according to claim 3, wherein the pipe housing groove extends from the inner surface of the pipe housing groove to the upper surface of the substrate so as to be in contact with the temperature control pipe. A temperature control mat, characterized in that an existing soaking plate is disposed. A method for producing the temperature control mat according to any one of claims 3 to 6,
Adhering the backing sheet to the lower surface of each substrate so as to close the groove for accommodating the pipe; and
Arranging each substrate and small joists;
The base sheet of the flat sheet-like reinforcing sheet straddles at least a part of the curved portion of the pipe housing groove on the upper surface of each substrate, and straddles the upper surface of each substrate and the upper surface of the small joists adjacent thereto. And sticking process,
Inserting the temperature adjusting pipe into the pipe receiving groove by pushing through the element sheet of the reinforcing sheet from above, and inserting the reinforcing sheet into the pipe receiving groove;
And a step of arranging a soaking sheet so as to cover the top surface of the reinforcing sheet and each substrate.

Images