JP2000328663A - Solar heat collecting piping structure and its execution method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To install a piping for circulating a fluid between a solar heat collector and a heat storage tank in a building frame wall even in a piping between the solar heat collector mounted on a roof and the heat storage tank set up on a ground. SOLUTION: A building unit U1 for the first floor is placed on a foundation 5, a building unit U2 for the second floor is placed on the unit U1 and a building unit U3 for a roof is placed on the unit U2. A crosslinked polyethylene pipe 2 (a flexible pipe) is inserted into sleeves set up to wall panels 6, 6 (building frame walls), and connects a solar heat collector 3 and a heat storage tank 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solar heat collecting pipe structure in which a solar heat collecting pipe is housed in a body wall of a building so that the pipe is not exposed, and a construction method.

[0002]

2. Description of the Related Art Conventionally, as a similar technique, for example, Japanese Patent Application Laid-Open No. Hei 8-13688 describes a building panel having a sheath tube therein.

[0003]

SUMMARY OF THE INVENTION The above-mentioned JP-A-8-136
According to the technology disclosed in Japanese Patent No. 88, a sheath pipe constituting a piping route is arranged in a building panel in advance, and after a building using the building panel is constructed, a hot water supply pipe or a water supply pipe made of a flexible pipe is used. Can be inserted into the sheath tube. Therefore, piping work can be performed without exposing the piping from the building panel. However, when arranging the building panels so that the side surfaces are in contact with each other, there is no means for connecting the sheath tubes, so that there is a problem that the flexible tubes cannot be passed through unless they are arranged with very high precision. In addition, when the building panels are arranged on the lower floor and the upper floor of the building, there is no means for connecting the sheath pipes. There was a problem that special construction was required on the upper floor between the floors. That is, it is not easy to cope with a case where a pipe is to be provided between a solar heat collector provided on a roof and a heat storage tank provided on the ground, such as a solar heat collector pipe.

[0004] The present invention has been made in view of the above-mentioned problems, and even if a pipe is provided between a solar heat collector provided on a roof and a heat storage tank provided on the ground, the solar heat collector may be used. It is an object of the present invention to provide a solar heat collecting pipe structure and a method capable of providing a pipe for circulating a fluid between a vessel and a heat storage tank in a body wall.

[0005]

According to a first aspect of the present invention, a sheath tube is disposed in a body wall of a building having a solar heat collector and a heat storage tank. A solar heat collecting piping structure, wherein a flexible tube for circulating a fluid between the solar heat collector and the heat storage tank is inserted into the tube.

According to a second aspect of the present invention, there is provided a method for constructing a solar heat collecting pipe for a building comprising a solar heat collector and a heat storage tank, wherein the building comprises a plurality of building units arranged adjacent to each other. In a manufacturing plant of those building units, a sheath tube is arranged in a body wall of the building unit which is a path of a solar heat collecting pipe, and these building units and other building units are connected to a construction site. And a flexible tube for circulating a fluid between the solar heat collector and the heat storage tank is inserted into the sheath tube of the solar heat collecting pipe.

In the present invention, the body wall is a wall necessary for constructing a building, and is not a wall specifically provided for piping. In addition, it is particularly preferable that the driving wall is an outer wall, since the path of the pipe can be shortened.

The flexible tube in the present invention is preferably made of a flexible metal tube such as a synthetic resin flexible tube such as a crosslinked polyethylene tube or a polybutadiene tube, a synthetic rubber tube, or an annealed copper tube. Excellent in heat resistance, workability, etc. and effective.

As the fluid in the present invention, there can be used a liquid such as water or a liquid obtained by dissolving an antifreeze in water, a gas such as air, or a fluid such as chlorofluorocarbon or ammonia which changes phase between gas and liquid depending on temperature.

It is preferable to provide the solar heat collector of the present invention on the roof because it is not necessary to provide a separate installation space and the solar heat can be easily obtained. Further, since the heat storage tank is heavy, it is preferable to provide the heat storage tank on the ground. Here, the heat storage tank may be a hot water storage tank for storing hot water warmed by a solar heat collector, or may be one that exchanges heat with hot water and stores heat in a latent heat type heat storage agent.

As the building unit of the present invention, a wooden building unit or a steel frame building unit can be suitably used. Here, the wooden building unit has a box-shaped structure in which a floor panel and a wall panel each having a structural floor material attached to a wooden floor frame and a wall frame. Further, the steel-frame-based building unit has a box-shaped steel frame structure in which the upper and lower ends of the steel columns at the four corners are rigidly connected with a ceiling beam and a floor beam made of shaped steel.

[0012]

In the solar heat collecting pipe structure according to the first aspect of the present invention, a sheath tube is disposed in a body wall of a building including a solar heat collector and a heat storage tank. Therefore, the flexible tube can be inserted into the sheath tube so that the piping is not exposed and the appearance of the house is not impaired. Further, there is no need to provide a pipe shaft or the like for hiding the pipe. Further, since the flexible tube is covered and insulated by the sheath tube and the body wall, the heat radiation from the flexible tube can be made smaller than that of the exposed pipe. A flexible tube for circulating fluid between the solar heat collector and the heat storage tank is inserted into the sheath tube. Therefore, even after the construction of the house is completed, the flexible tube can be inserted into the sheath tube. In addition, the flexible tube can be replaced at the time of maintenance.

In the method for constructing a solar heat collecting pipe according to the second aspect of the present invention, the building is a unit building in which a plurality of building units are arranged adjacent to each other. A sheath tube is placed in the body wall of the building unit, which is the route for the building. Therefore, by using a large jig or the like that extends over the height of the body wall, the sheath tube can be accurately constructed in the body wall with a small number of steps. Further, even in a building unit constituting the second floor, since the sheath tube can be arranged in the vehicle body wall on the ground, the work is easy and the number of steps is reduced. After the building units and other building units are arranged adjacent to each other at the construction site, a flexible tube for circulating a fluid between the solar heat collector and the heat storage tank is inserted into the sheath tube. Therefore, even after the construction work of the unit building is completed, the flexible tube can be inserted into the sheath tube. In addition, the flexible tube can be replaced at the time of maintenance.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below based on embodiments with reference to the drawings. FIG. 1 is a longitudinal sectional view of a unit building showing a solar heat collecting pipe structure of the present invention, and FIG. 2 is a longitudinal sectional view of a first-floor building unit for explaining a solar heat collecting pipe structure construction method of the present invention. Yes, Figure 3
FIG. 1 is a longitudinal sectional view of a second-floor building unit for explaining a method for constructing a solar heat collecting pipe structure of the present invention.

The structure of the building unit will be described with reference to FIGS. 2 and 3, and the structure of the unit building will be described with reference to FIG. As shown in FIG. 2, in the first-floor building unit U1, a wall panel 6 (engine wall) is provided upright on a side edge of a floor panel 7a. Floor panel 7a
Is formed as a floor structure by attaching a surface material 71 such as a structural plywood or a particle board to an upper surface of a floor frame assembled by a plurality of joists 72a and 72b. The wall panel 6 includes a plurality of lower frames 61,
This is a load-bearing wall constituted by attaching a gypsum board 66 to the inner surface of a wall frame assembled by the upper frame 62 and the vertical frame 63 and a wood chip cement board 65 to the outer surface. The floor panel 7a has a joint lower frame 7 below the joist 72a.
3 is integrated by nailing. This joint lower frame 73
Is mounted on a foundation 5 as shown in FIG. 1 and can be fastened by anchor bolts embedded in the foundation 5.

Referring to FIG. 3, the difference between the second-floor building unit U2 and the first-floor building unit U1 will be described. The second-floor building unit U2 includes a wall panel 6 on the side edge of the floor panel 8a.
Is erected. The joists 82a and 82b of the floor panel 8a are higher than those of the first-floor building unit U1. The joint lower frame 73 provided on the floor panel 8a is placed on the upper frame 62 constituting the wall panel 6 of the first-floor building unit U1, as shown in FIG. 1, and can be fastened by bolts. It is. Further, a joint frame 73 is integrated with a lower portion of the roof unit U3 by nailing, and the joint frame 73 is attached to the wall panel 6 of the building unit U2 for the second floor.
Is mounted on the upper frame 62, which can be fastened by bolts.

Next, the solar heat collecting pipe structure of the present invention is shown in FIG.
This will be described with reference to FIG. The first-floor building unit U1 is mounted on the foundation 5, the second-floor building unit U2 is mounted thereon, and the roof-building unit U3 is mounted thereon, which is bolted to each other. . The heat storage tank 4 is installed adjacent to the outside of the first-floor building unit U1, and the solar heat collector 3 is installed on the roof building unit U3. Solar heat collector 3 with cross-linked polyethylene tube 2 (flexible tube)
And the heat storage tank 4 are connected so that fluid can be circulated between them. The crosslinked polyethylene pipe 2 is a sheath pipe 1 provided on the wall panel 6 of the building unit U1 for the first floor and the wall panel 6 of the building unit U2 for the second floor.
a, 1b. Also, the sheath tubes 1a and 1b
It is connected using the sheath tube coupling 11 in the floor frame of the floor panel 8a of the building unit U2 for the second floor. The heat storage tank 4 is directly connected to the crosslinked polyethylene pipe 2 through a pipe sleeve 51 provided on the foundation 5. The pipe 31 from the solar heat collector 3 is drawn into the roof building unit U3, and is connected to the crosslinked polyethylene pipe 2 using a joint 32.

The sheath tube 1a is pulled down into the floor frame of the floor panel 7a through a hole formed so as to penetrate the lower frame 61 of the wall panel 6 of the building unit U1 for the first floor and the face material 71 of the floor panel 7a. is there. In addition, the wall panel 6 is raised into the floor frame of the floor panel 8a of the second-floor building unit U2 through a notch matching the upper frame 62 of the wall panel 6 and the joint lower frame 73 of the floor panel 8a of the second-floor building unit U2. .

The sheath tube 1b is pulled down into the floor frame of the floor panel 8a through a hole formed so as to penetrate the lower frame 61 of the wall panel 6 of the second-floor building unit U2 and the face material 71 of the floor panel 8a. is there. Further, the wall panel 6 is set up in the roof building unit U3 through a notch that is aligned with the upper frame 62 of the wall panel 6 and the joint lower frame 73 of the roof building unit U3.

With the above construction, the crosslinked polyethylene pipe 2 is concealed in the wall panel 6, so that the appearance of the unit building U is impaired without providing a pipe shaft or the like for concealing the piping. Nothing. Further, since the cross-linked polyethylene pipe 2 is covered with the sheath pipe and the wall panel 6 and is insulated, heat radiation can be reduced as compared with the exposed pipe. Further, even after the construction of the house is completed, the cross-linked polyethylene pipe 2 can be inserted into the sheath pipe, so that the preparation of the construction is improved. In addition, the crosslinked polyethylene pipe 2 can be replaced at the time of maintenance.

Next, a construction method will be described. First, a method of attaching the sheath tube 1a to the first-floor building unit U1 will be described with reference to FIG. When manufacturing the first-floor building unit U1 in the factory, first, the floor panel 7a is assembled. A wall frame constituting the wall panel 6 is erected on the side edge of the floor panel 7a, and a wood chip cement board 65 is attached to the outside of the wall frame. A mounting wooden bar 64 is attached to a predetermined position between the vertical frames 63, 63 of the wall frame with diagonal nails. Furthermore, the wall panel 6
A hole is formed through the lower frame 61 and the face material 71 from above the lower frame 61. From here, the sheath tube 1a of a predetermined length is pulled down into the floor frame of the floor panel 7a. In addition, the sheath tube 1a
Saddle 6 is attached to wooden bar 64 provided at a predetermined position on wall panel 6.
7 and fix with wood screws. Here, the mounting wooden bar 64 may be provided at two places above or below, or at three or more places. In addition, a gypsum board 66 is attached to the upper end of the wall panel 6 with a gap so that the upper end of the sheath tube 1a is exposed to the indoor side of the wall panel 6. As shown in FIG. 3, the sheath tube 1b is similarly attached to the wall panel 6 of the second-floor building unit U2.

As described above, since the sheath tubes 1a and 1b are attached at the factory, the use of a large jig or the like extending over the height of the wall panel 6 makes it possible to accurately install the inside of the wall panel 6 with a small number of steps. . Further, even in the second-floor building unit U2, the sheath tube 1b can be installed in the wall panel 6 on the ground, so that the work is easy and the number of steps is small.

These first-floor building units U1, second-floor building units U2, roof building units U3, etc. are transported together with other building units to the construction site by truck, and are arranged adjacently using a crane as shown in FIG. . Thereafter, a notch is provided by combining the upper frame 62 of the wall panel 6 of the first-floor building unit U1 and the connecting lower frame 73 of the floor panel 8a of the second-floor building unit U2, and the notch of the second-floor building unit U2 is passed through the notch. The sheath tube 1a is set up in the floor frame of the floor panel 8a. Further, the upper frame 62 of the wall panel 6 of the building unit U2 for the second floor and the lower frame 73 of the building unit U3 for the roof.
The sheath tube 1b is set up in the back of the roof of the roof unit U3 through the notch. Next, the upper end of the sheath tube 1a and the lower end of the sheath tube 1b are cut and aligned,
They are connected by a sheath tube coupling 11.

After the sheath pipes 1a and 1b have been constructed in this way, plaster boards are placed on the upper portions of the wall panels 6, 6 of the first-floor building unit U1 and the second-floor building unit U2, and on the ceilings of the first and second floors. Attach.

With the above construction, even after the unit building U is constructed, the cross-linked polyethylene pipes 2 are connected to the sheath pipes 1a, 1b from the inside of the roof building unit U3 to the lower floor.
Can be placed without exposing. Further, since the base 5 is provided with a sleeve, the crosslinked polyethylene pipe 2 can be pulled out from under the floor and connected to the heat storage tank 4. Furthermore, the piping 31 from the solar heat collector and the crosslinked polyethylene pipe 2 can be connected in the roof building unit 3. In addition, the crosslinked polyethylene pipe 2 can be replaced at the time of maintenance.

Although the embodiment of the present invention has been described with reference to the drawings, the specific configuration of the present invention is not limited to this embodiment, and there are design changes and the like that do not depart from the gist of the present invention. Are also included in the present invention.

For example, a plurality of sheath tubes may be provided, and a dedicated cross-linked polyethylene tube for fluid going and returning may be inserted. Also, a plurality of crosslinked polyethylene tubes may be inserted into one sheath tube. It is also effective to provide a protective tube or plate made of metal or hard synthetic resin on the lower frame or upper frame of the wall panel through which the sheath tube penetrates and the joint lower frame of the floor panel to prepare for punching nails, etc. It is. Further, it is also effective to use the sheath tube for electric wiring or signal wiring. In particular, a hybrid solar panel in which a solar heat collector and a solar cell are integrated is effective because a large number of electric wirings and signal lines are required.

The upper frame 62 of the wall panel 6 of the building unit U1 for the first floor, the notch of the joint lower frame 73 of the floor panel 8a of the building unit U2 for the second floor, and the upper frame 62 of the wall panel 6 of the building unit U2 for the second floor. Splice frame 73 for building unit U3 for roof
If the notch is provided at the factory, it is effective to reduce the man-hour at the construction site.

It is also effective to install the solar heat collector integrally with the roof building unit U3 at the factory in order to reduce the number of steps at the construction site. In addition, since the work of mounting the solar heat collector on a roof at a high place can be eliminated, it is also effective in improving safety.

The same effect can be obtained even if the solar heat collector is provided on a balcony on the second floor. The heat storage tank may be provided under the floor, or may be provided on the floor panel 7a of the building unit for the first floor.

[0031]

In the solar heat collecting pipe structure according to the first aspect of the present invention, even if a pipe shaft or the like for concealing the pipe is not provided, the pipe is concealed and the appearance of the house is not impaired. Further, the heat radiation from the pipe can be reduced as compared with the exposed pipe. Further, since the flexible tube is inserted into the sheath tube, the flexible tube can be inserted into the sheath tube even after the construction of the house is completed. In addition, the flexible tube can be replaced at the time of maintenance.

In the method for constructing a solar heat collecting pipe according to the second aspect of the present invention, the sheath pipe is disposed in the body wall of the building unit which is a path of the solar heat collecting pipe in the building unit manufacturing plant. It can be mounted inside the vehicle body wall with a jig using a small number of man-hours. Further, the work is easy and the number of steps is small. Even after the construction work of the unit building is completed, the flexible tube can be inserted into the sheath tube, and the flexible tube can be replaced at the time of maintenance.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a unit building showing a solar heat collecting pipe structure of the present invention.

FIG. 2 is a vertical sectional view of a first-floor building unit for explaining a method of constructing a solar heat collecting pipe structure of the present invention.

FIG. 3 is a longitudinal sectional view of a second-floor building unit for explaining a method of constructing a solar heat collecting pipe structure of the present invention.

[Explanation of symbols]

 U unit building (building) U1 first floor building unit (building unit) U2 second floor building unit (building unit) U3 roof building unit (building unit) 1a, 1b sheath tube 2 cross-linked polyethylene tube (flexible tube) 3 solar heat Heat collector 4 Thermal storage tank 6 Wall panel (body wall)

Claims (2)

[Claims] 1. A sheath tube is disposed in a body wall of a building having a solar heat collector and a heat storage tank, and a fluid is circulated between the solar heat collector and the heat storage tank in the sheath tube. Heat collecting piping structure, characterized in that a flexible tube is inserted therein. 2. A method for constructing a solar heat collecting pipe for a building comprising a solar heat collector and a heat storage tank, wherein the building is a unit building in which a plurality of building units are arranged adjacent to each other. In a manufacturing plant, a sheath tube is arranged in a body wall of a building unit which is a route of a solar heat collecting pipe, and the building unit and another building unit are arranged adjacent to each other at a construction site, and then the sheath tube is arranged. A method for constructing a solar heat collecting pipe, comprising inserting a flexible tube for circulating a fluid between a solar heat collector and a heat storage tank into a pipe.