JPH0518145A - Roof heat collecting system and building with it - Google Patents

Abstract

PURPOSE:To save energy by arranging a heat exchanging pipe in a duct, and recovering and utilizing the remaining heat when discharging the hot wind for melting the roof snow guided into an attic to the outside with the duct. CONSTITUTION:An attic space 4 is formed between a metal roof material 2 and a heat insulating ceiling material 3, and the air L is heated by the solar energy or the domestic remaining heat guided from vent ports 5. An exhaust duct 8 containing a heat exchanging pipe 11 is arranged in the space 4. Next, the pipe 11 and a pump 13 are connected via a water feed pipe 12, while a hot-water feeding spot 14 and a floor heating pipe 15 are connected to the pipe 12. The air L is discharged to the outside when its temperature is slightly lowered after the roof snow is melted. The remaining heat of the air L is recovered by the pipe 11. The recovered heat can be utilized for feeding hot water or for heating a house.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof heat collecting system used for various roof structures and a building equipped with the system.

[0002]

2. Description of the Related Art Conventional roof systems of this type include Japanese Patent Publication No. 63-60186, Japanese Patent Publication No. 63-61464, Japanese Patent Publication No. 64-9432, and Japanese Patent Publication No. 1-323.
The structure described in Japanese Patent No. 52, etc. is known.

In this conventional structure, a roof material for a building is formed by a metal plate material having a corrugated cross section, for example, a folded roof material, and airtightness is enhanced between the roof material and a ceiling material having heat insulation property. The attic space with the above structure is formed, the vents that can be opened and closed are formed in the ceiling material, and the dew condensation gutter is placed below the valley of the origami roofing material and the melt separation material is placed at the valley bottom. I am configuring.

[0004] However, the residual heat of life in the building, for example, warm air of the stove, kotatsu, etc. is introduced into the above-mentioned attic space, and this residual heat exchanges heat with the snow accumulated on the metal roofing material, which causes a snow melting action, Melt water quickly flows through the valley bottom of the origami roofing material through the melt separation material, and the dew condensation water generated by this snow melting action is caused to flow by the dew condensation trough so that the molten water and the dew condensation water are drained while preventing freezing. It is a composition.

[0005]

By the way, in the case of the above conventional structure, since the roofing material is made of metal, the air in the attic space is considerably warmed by solar heat not only in summer and winter, In winter, it is warmed up by the residual heat of life generated from heating appliances, etc., so that even if snow melting occurs, a considerable amount of heat is dissipated from the exhaust duct, resulting in the waste of heat. ing.

[0006]

SUMMARY OF THE INVENTION The present invention is intended to solve these disadvantages, and its gist is to exhaust the air in the attic space between a roof material and a ceiling material of a building to the outside. A roof heat collecting system and a building provided with the roof heat collecting system, which are provided with a possible exhaust duct, and are configured by incorporating a heat exchange pipe in the exhaust duct.

[0007]

The air in the attic space is exhausted to the outside through the exhaust duct, and the heat exchange pipe is built in the exhaust duct, so that the heat of the air in the attic space is recovered.

[0008]

1 to 8 show an embodiment of the present invention.
To FIG. 6 are the first embodiment, FIG. 7 is the second embodiment, and FIG. 8 is the third embodiment.
This is an example.

In the first embodiment of FIGS. 1 to 6, reference numeral 1 denotes a building, and a roof material 2 of the building 1 is formed by a metal plate material having a corrugated cross section, for example, a folded roof material, and the roof material 2 The attic space 4 having a structure in which the airtightness is enhanced is formed between the ceiling material 3 and the ceiling material 3 having heat insulating properties, and the ventilation port 5 that can be opened and closed in the ceiling material 3
And the dew condensation gutter 6 is arranged below the valley portion of the roofing material 2, and the melt water separating material 7 having the water passage hole 7a is arranged at the bottom portion of the valley.

Reference numeral 8 denotes an exhaust duct, which is in the form of a pipe and has a plurality of suction ports 8a formed in its outer peripheral surface.
Further, in this case, the discharge cylinder 9 is formed and the discharge fan 10 is provided inside.
Is provided.

Reference numeral 11 denotes a heat exchange pipe, and a plurality of heat exchange pipes are built in the exhaust duct 8. In this case, the heat exchange pipe 11 is made of copper or aluminum pipe. A pump 13 is connected by 12 and a hot water supply point 14 such as a water heater or a bath is connected to the water pipe 12.
And a floor heating pipe 15 for floor heating is connected.

Since the first embodiment has the above-mentioned structure, the air L in the attic space 4 between the roof material 2 and the ceiling material 3 of the building 1 is warmed by the solar heat or the residual heat of living. L is exhausted to the outside through the exhaust duct 8 to obtain a ventilation effect in the room, and since the heat exchange pipe 11 is built in the exhaust duct 8, for example, the heat transport medium W is used in the heat exchange pipe 11. By sending a certain amount of water, the water in the heat exchange pipe 11 will be warmed by the heat of the air in the attic space 4, and can be used for hot water supply, etc. Therefore, the heat exchange pipe 11 can be used regardless of summer or winter. By this, the heat of the air in the attic space 4 can be recovered, and in the winter period, the residual heat of living in the building, for example, warm air of the stove, kotatsu, etc., is passed through the ventilation port 5 of the ceiling material 3 and the like. Introduce this The residual heat exchanges heat with the snowfall S on the metal roofing material 2 to cause a snow melting action, and the melted water quickly flows through the snow melting water separating material 6 through the valley bottom of the origami roofing material, and this snow melting Condensation water generated by the action
Flowing water to prevent freezing and melt water and dew condensation water down the gutter 1
6 will be drained to the sewer groove 17 and the snow will be melted, and the air at a slightly lower temperature after the snow melt will be discharged through the exhaust duct 8.
Since the heat exchange pipe 11 is built inside, the heat of this air in the attic space 4 can be recovered, and energy can be saved.

The second embodiment shown in FIG. 7 shows another structure. In the first embodiment, a plurality of heat exchange pipes 11 are built along the inner wall surface of the exhaust pipe 8. The exchange pipe 11 is a spiral pipe, and the second embodiment has the same operational effect as the first embodiment.

The third embodiment shown in FIG. 8 also shows another structure. In the first embodiment, the heat exchange pipe 11 is arranged in the so-called parapet portion 18, but in this case it is arranged in the attic space 4. Then, even in the second embodiment, the same operational effect as in the first embodiment can be obtained.

Incidentally, the shape, quantity and structure of the exhaust duct 8 are appropriately changed and designed. Although the above-mentioned embodiment is applied to a building having a flat roof structure, it can be applied to other roof structures, for example, a building having a gable structure.

Further, although water passes through the heat exchange pipe 11 of the above embodiment, an antifreeze liquid, a so-called refrigerant,
There is also a system in which a heat transport medium W such as a heat carrier gas is passed, and the shape and structure thereof are appropriately designed such as forming fins on the surface of the heat exchange pipe 11.

[0017]

INDUSTRIAL APPLICABILITY As described above, in the roof heat collecting system of the present invention and the building provided with the same, since the heat exchange pipe is built in the exhaust duct for discharging the air in the attic space, this heat exchange pipe is used. The heat of the air in the attic space can be recovered, and the recovered heat can be used for hot water supply, floor heating, etc., and energy can be saved.

As described above, the intended purpose can be sufficiently achieved.

[Brief description of drawings]

FIG. 1 is an overall explanatory sectional view of a first embodiment of the present invention.

FIG. 2 is a partial cross-sectional view of the first embodiment of the present invention shown in FIG.

FIG. 3 is a partial perspective view of the first embodiment of the present invention shown in FIG.

FIG. 4 is a partial plan sectional view of the first embodiment of the present invention shown in FIG.

FIG. 5 is a partial perspective view of the first embodiment of the present invention shown in FIG.

FIG. 6 is a partial cross-sectional view of the first embodiment of the present invention shown in FIG.

FIG. 7 is a partial vertical sectional view of a second embodiment of the present invention.

FIG. 8 is a partial sectional view of a third embodiment of the present invention.

[Explanation of symbols]

1 building 2 roofing materials 3 ceiling materials 4 attic space 8 exhaust duct 11 heat exchange pipes

Claims (2)

[Claims] 1. An exhaust duct capable of exhausting air in an attic space between a roof material and a ceiling material of a building to the outside is provided, and a heat exchange pipe is built in the exhaust duct. Characteristic roof heat collection system. 2. A building provided with the roof heat collection system according to claim 1.