JP2006265887A - Roof structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof structure of a no-snow-dropping type, which melts snow before accumulation without requiring the removal of the snow accumulated on the roof. <P>SOLUTION: This roof structure comprises a roofing material A and a heat-medium spraying unit H. The roofing material A comprises a metal roofing material B wherein a male-female connecting structure is formed at a width-direction side edge and which is provided with a recessed gutter-like part 11 by forming a snow stop part P rising in an upper part, through the using of the male-female connecting structure, and a heat-medium holding sheet C which is formed in the gutter-like part 11. In the roof structure, the roofing material A is fixed to a substrate α in such a manner that the snow stop part P of the roofing material A is almost parallel with the ridge of the roof, so that a heat medium H2 can be sprayed on the sheet C of the roofing material A by the unit H. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a snowfall-free roof structure that melts snow before it accumulates without falling snow on the roof.

  Conventionally, this kind of snowfall type roof is (1) M-shaped roof with a horizontal gutter and a vertical gutter in the center of the roof, (2) The roof surface is formed horizontally (a gradient of about 1/100 is formed for drainage) And (3) a side-by-side snowfall-free roof that forms a rising part for snow stop. (For example, refer to Patent Documents 1 and 2).

JP 2002-038658 A JP 2002-155602 A

  However, in (1) and (2), if there is a lot of snow melting on the roof surface, the eaves end will sag, the contact surface with the iron plate will be iced, icicles at the tip, etc. There was a risk that these could fall off in warm weather. In (1) to (3), it is necessary to determine the size of the beam according to the amount of snow at the time of designing the building so that there is no inconvenience that the joinery will not open due to the weight of snow on the roof. It was.

  In order to solve such a drawback, the present invention forms a male-female connection structure at the side edge in the width direction, forms a snow stop raised from the upper part by the male-female connection structure, and forms a concave bowl-shaped part. It consists of a roof material consisting of a provided metal roofing material, a heat medium holding sheet formed in a bowl-shaped part, and a heat medium spraying device, so that the snow stop part of the roof material is substantially parallel to the roof ridge Thus, a roof structure is provided in which the roof material is fixed to the base, and the heat medium is spread on the heat medium holding sheet of the roof material by a heat medium spraying device.

  According to the roofing material according to the present invention, (1) there is no risk of falling snow. (2) The risk of snow falling can be eliminated. (3) Elimination of heavy snowfall work. (4) Can be constructed on existing roofing material. (5) Workability is good because the snow stop becomes a scaffold during construction. (6) Snow melting is possible with a small amount of water spray and a low-temperature heat medium. (7) Partial construction is possible at the time of new construction or renovation. There are features and effects.

  The roof structure according to the present invention will be described in detail below with reference to the drawings. 1, 2 (a) to (c), FIG. 3, FIGS. 4 (a) to (c), and FIG. 5, a roof material A composed of a metal roof material B and a heat medium holding sheet C, and a roof It is explanatory drawing which shows an example of the construction state of the material A. FIG. H is a heat medium spraying device, α is a base, and β is a fixture.

  The base α is a base α having a general structure in which a base plate is laid on a rafter and a waterproof sheet (shown by a one-dot chain line) is disposed on the base plate in the case of a new construction. In addition, as base α, H-shaped steel, I-shaped steel, grooved steel, lightweight grooved steel, lip groove shaped steel, equilateral angled steel, unequal angled angled steel, square steel (square pipe), round steel (circular pipe), It is also possible to use a steel base using, for example. Of course, when the existing roof is refurbished as it is, an existing roof structure in which an existing roof (not shown) such as a horizontal roof, a new roof tile or a tile rod is formed on the base α becomes the base α. Is.

  The metal roof material B is formed by roll forming, press forming, extrusion forming, or the like of a metal plate (color steel plate, copper plate, aluminum plate, titanium plate, stainless steel plate, sandwich steel plate, clad steel plate, etc.), for example. . Of course, instead of the roof material A, the surface material of the roof material A may be formed of a ceramic material, a synthetic resin material (plastic), or the like.

  More specifically, the metal roofing material B has a long plate shape. As an example, as shown in FIG. 2A, the horizontal surface of the decorative surface 1 and both side edges of the decorative surface 1 in the width direction. The male connection part 2 and the female connection part 3 are formed. Of course, although not shown, a long roof tile roof may be used as the metal roof material B.

  The male connecting portion 2 has a rising surface 4 that protrudes upward from one end edge of the decorative surface 1, a support surface 5 that protrudes outward from the tip of the rising surface 4, and a tip of the support surface 5 that hangs downward. The engaging surface 6 is formed by a fitting groove 7 formed by the rising surface 4, the support surface 5, and the engaging surface 6.

  The female connector 3 includes a rising piece 8 that protrudes upward from the other edge of the decorative surface 1, an engagement piece 9 that protrudes outward from the tip of the rising piece 8, and a tip of the decorative surface 1 that extends further outward. It is formed from the protruding fixed piece 10.

  As shown in FIG. 2 (b), the rising surface 4 and the rising piece 8 are connected to the male connecting portion 2 and the female connecting portion 3 to be folded, thereby forming a snow stop portion P and eliminating the roof. It is formed into a snowfall roof structure.

  The heat medium holding sheet C is a fabric woven fabric, the chemical fibers are recycled fibers, semi-synthetic fibers, synthetic fibers, and the like, and the natural fibers are cotton, hemp, wool, silk, and the like. Further, the weaving method is based on the weaving methods such as plain weave, twill weave, brocade weave, satin weave and the like. Specific synthetic fibers include nylon, vinylon, polyester, acrylic, polyolefin, polyurethane, halogen-containing, and the like.

  The heat medium holding sheet C is attached to the decorative surface 1 of the bowl-shaped portion 11 of the metal roof material B via an adhesive. This heat medium holding sheet C literally holds a liquid substance in the fiber by its capillary action, and exhibits a snow melting effect on the entire surface of the heat medium holding sheet C when the liquid substance is a heat medium such as hot water. It will be. Therefore, it is possible to melt snow with 1/10 of the conventional watering amount, and it is possible to melt snow with the heat medium H2 at a low temperature (9 ° C. to 15 ° C.). Of course, the heat medium holding sheet C and the adhesive are made of materials having weather resistance, light resistance, heat resistance, cold resistance, chemical resistance, and contamination resistance suitable for the region.

  The connection between the roof materials A is as shown in FIGS. 4A to 4C. As shown in FIG. 4A, the female connection of the lower roof material A in which the fixing piece 10 is fixed by a fixing tool. The fitting groove 7 of the male connecting portion 2 of the upper roof material A is inserted into the rising surface 4 of the portion 3, and is folded as shown by the dotted arrow in FIG. 4 (b). As shown in FIG. Further, the roof material A is constructed to have a slope of about 1/50 to 1/100 for draining (water gradient).

  The height of the rising surface 4 is the part that determines the snow stop capability in order to form the hook-shaped portion 11 that prevents snow falling. Of course, the snow is usually melted before the snow is accumulated by the heat medium spraying device H.

  The height of the rising surface 4 is determined in consideration of the amount of snowfall in the area.

  As shown in FIG. 5, the heat medium spraying device H is formed at the upper end portion of the bowl-shaped portion 11. The heat medium H2 is uniformly sprayed onto the heat medium holding sheet C by the spray valve H3. In addition, it is possible to control the on / off of the power source of the heat medium spraying device H, the spray position of the heat medium H2, the temperature of the heat medium H2, the adjustment of the spray valve H3 (spray amount), etc. by the distribution board (control panel) in the house, The heat medium spraying device H is operated using sensors such as a sensor and a snow cover sensor. Of course, these operations may be performed manually.

  The material of the pipe H1 includes a metal pipe, a resin pipe, a resin hose, a hose with a reinforcing material, and the like. Moreover, as the heat medium H2, hot water (boiler heating water), ground water (hot water / water), warm water drained from a factory, warm water heated using solar power, or the like is used. Of course, the snowmelt recovered from the roofing material A is reused.

  What has been described above is one embodiment of the roof structure according to the present invention, and can be formed as shown in FIGS. 6 (a) and 6 (b) to FIGS. 8 (a) to 8 (d).

  6 (a) and 6 (b) show a roof structure in which ridges I are formed at the eaves and the keraba portion. Of course, in this case, the roofing material A is constructed so as to incline downward to the keraba portion where the ridge I is formed so that the snowmelt water flows toward the ridge I.

  FIG. 7A shows a roof structure in which eaves I and keraba are formed with ridges I, and FIG. 7B shows a roof structure in which eaves are also formed with ridges I. Of course, the snowmelt water collected in 樋 I can be collected and reused, or drained directly into the manhole. In addition, except for the winter season, 樋 I functions as a drainage basin for rainwater.

  FIGS. 8A to 8D show other examples of the roof material A, FIG. 8B shows the construction state of FIG. 8A, and FIG. 8D shows the construction state of FIG. FIG. In particular, FIGS. (C) and (d) show a roof material A that is fixed by a suspension B1.

It is explanatory drawing which shows a typical example of the roof structure which concerns on this invention. It is explanatory drawing which shows a typical example of the roof structure which concerns on this invention. It is a perspective view which shows the construction state of the roof structure which concerns on this invention. It is explanatory drawing which shows the construction state of the roof structure which concerns on this invention. It is explanatory drawing which shows the construction state of the roof structure which concerns on this invention. It is explanatory drawing which shows the other Example of the roof structure which concerns on this invention. It is explanatory drawing which shows the other Example of the roof structure which concerns on this invention. It is explanatory drawing which shows the other Example of the roof structure which concerns on this invention.

Explanation of symbols

α Base β Fixture A Roof material B Metal roof material B1 Hanging C Heat carrier holding sheet H Heat carrier spraying device H1 Pipe H2 Heat carrier H3 Spray valve I Mold connecting portion 4 Rising surface 5 Support surface 6 Locking surface 7 Fitting groove 8 Rising piece 9 Engaging piece 10 Fixed piece 11 Gutter-shaped part

Claims (1)

A metal roofing material in which a male-female connection structure is formed at the side edge in the width direction, a snow stop raised from the upper part by the male-female connection structure and a concave hook-like part is provided, and the hook-like part A roof material composed of a heat medium holding sheet formed on the heat medium and a heat medium spraying device, and fixing the roof material to the ground so that the snow stop of the roof material is substantially parallel to the roof ridge, A roof structure characterized in that a heat medium is sprayed on a heat medium holding sheet of a roof material by a heat medium spraying device.

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