JP3869703B2 - building - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a building that allows ventilation to an underfloor space.
[0002]
[Prior art]
In recent years, with increasing demand for high airtightness and high thermal insulation of buildings, in order to maintain a good indoor environment including measures against sick houses, indoor ventilation is performed by continuous ventilation in the room. The effect is played.
[0003]
[Problems to be solved by the invention]
On the other hand, the underfloor space that is a part of the building has not been specially constructed so far, and the following problems have arisen.
(1) Condensation may occur in the space under the floor, and the floor member may corrode or generate mold, which may affect the durability of the building.
(2) Moisture in the underfloor space may enter the indoor space and affect tatami mats, carpets, and indentations.
(3) In the environment of a humid underfloor space, there was a risk of breeding of various pests.
[0004]
As countermeasures for such cases, it is conceivable to provide ventilation by providing an intake and exhaust at the rising part of the foundation, but there is a possibility that appropriate ventilation cannot be performed and cracks may occur from the part. There were still problems such as the possibility of affecting the durability of the building, the efficiency of cooling and heating in the indoor space becoming worse, and the air becoming muddy and dirty.
[0005]
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a building in which the durability and habitability of the building are improved by allowing ventilation to the underfloor space.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, a building according to the present invention is composed of a main body housing having an intake port and an exhaust port, and a foundation of the lower portion of the main body housing having a rising portion and a bottom plate portion, and an inner periphery of the rising portion. The floor and the bottom board part are in contact with the rising part at least in part, and a heat insulating material is pasted, and the main body casing and the base part are partitioned by a floor member, and the floor can be ventilated in buildings where space is formed, has a suction means and air filtration means installed in the underfloor space, and exhaust means provided in front Symbol present physique body, the said floor member, the intake port is provided An intake communication port that allows the first indoor space to communicate with the intake means, and an exhaust communication port that allows the second indoor space provided with the exhaust means to communicate with the underfloor space. Under the floor The air is connected to the intake communication port by the air intake and introduces air sucked from the intake communication port into the underfloor space, and the air introduced into the underfloor space passes through the exhaust communication port and the second indoor space. The exhaust means exhausts the exhaust port .
[0007]
According to the present invention, the air intake and exhaust ports provided in the main body housing and the underfloor space are communicated to introduce and circulate the air sucked from the air intake ports into the underfloor space, and Therefore, the air permeability of the underfloor space can be improved. Therefore, it is possible to improve the humidity of the underfloor space and prevent the occurrence of dew condensation, the generation of pests, etc., so that the durability of the building can be improved.
In addition, since it is not necessary to provide an intake port and an exhaust port on the foundation, it is possible to prevent the occurrence of cracks from the part, and thus the durability of the building can be improved.
[0008]
In addition, since it is not necessary to provide an inlet and an exhaust port in the foundation and a heat insulating material is attached to a predetermined position of the foundation, the efficiency of air conditioning in the indoor space can be improved, and a comfortable living space can be provided. It becomes possible to provide.
Furthermore, since the intake means and the air filtering means are installed in the underfloor space, a large amount of clean air can be guided to the underfloor space, so that the underfloor space is maintained in a good environment and is efficiently ventilated. Can be performed.
[0009]
The underfloor space may be provided with an underfloor storage that allows ventilation. Further, in the building, the exhaust means may be combined with an existing ventilation device provided in the main body casing. Here, the ventilation apparatus can use a ventilation fan of a toilet or a bathroom.
[0010]
According to the present invention, since the exhaust means is also used as an existing ventilation device provided in the main body housing, the equipment cost can be reduced and the underfloor space can be efficiently ventilated.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a side view showing the building 1 of the present invention, and FIG. 2 is a plan view showing the building 1 of the present invention. Both figures are for explaining the concept of the building 1 of the present invention. It is a figure of and is not shown about the same building.
In the description of each embodiment, the same constituent elements are denoted by the same reference numerals, and redundant descriptions are omitted.
[0012]
As shown in FIG. 1, a building 1 of the present invention is composed of a main body frame 2 (building frame) and a foundation 3 which are superstructures.
The foundation 3 is a solid foundation having a reinforced concrete structure, and includes a bottom plate portion 31, an outer peripheral rising portion 32 standing on an outer peripheral edge portion of the bottom plate portion 31, and an inner side standing on an inner region of the bottom plate portion 31. It is formed from the rising portion 33.
In order to suppress excavation of the ground G and sediment transport in and out as much as possible, the foundation 3 determines the bottom surface of the bottom base 31 at a shallow depth position from the ground surface L and prevents moisture in the ground G. Therefore, the upper surface is determined to be higher than the ground surface L. And the heat insulating material 36 is affixed on the whole range of the internal peripheral surface 32a in the outer periphery rising part 32, and the predetermined range from the connection part (periphery part) with the said outer periphery rising part 32 in the upper surface 31a of the base part 31. Yes.
[0013]
In addition, since the geothermal heat in the ground G is heat-stored in parts other than the vicinity of the peripheral part in the bottom base part 31, the heat insulating material 36 does not necessarily need to be stuck.
In addition, the ground G on which the foundation 3 is constructed is subjected to ground improvement such as rolling or mortar stirring as necessary.
[0014]
On the upper part of the foundation 3, a main body frame 2 including a wall surface 21 and a roof material 22 is constructed. And the upper part of the outer periphery rising part 32 and the inner side rising part 33 of the foundation 3 is divided by the floor board 23 (floor member), and the underfloor space 10 is formed in the lower part.
As shown in FIG. 2, the interior of the main body housing 2 includes a dining kitchen 41 (hereinafter referred to as “DK”), a living room 42, a Japanese-style room 43, a bedroom 44, a toilet 45, a bathroom 46, an entrance 47, a hall 48, and a hallway 49. It is divided into indoor spaces.
In addition, ventilation fans 51 (exhaust means) are provided in the exhaust ports 45a and 46a communicating with the outside provided at predetermined positions on the ceiling of the toilet 45 and the bathroom 46, and the wall surface 21 of the DK 41 in the main body housing 2 is provided. An intake port 41a is provided at a predetermined position.
[0015]
An intake communication port 23a is provided at a predetermined position of the floor plate 23 of the DK41, and communicates with the intake port 41a. The intake communication port 23a is connected to the underfloor duct 11. The underfloor duct 11 is an intake filter 12 (air filtering means) for purifying the sucked air, and an intake / circulation fan that sucks and blows air. 13 (intake means).
A vent 33a (in this embodiment, DK41 and living room 42, living room 42 and hole 48, hole 48 and Japanese room 43, Japanese room 43 and bedroom 44, bedroom 44 and toilet 45, bedroom 44, and the like) Bathroom 46, hall 48 and corridor 49, corridor 49 and toilet 45).
An exhaust communication port 23b is provided at a predetermined position on the floor plate 23 of the toilet 45 and the bathroom 46, and communicates with the exhaust ports 45a and 46a.
[0016]
As shown in FIG. 3, the connection between the intake port 41a ′ and the intake communication port 23a ′ is performed by connecting the duct 24 in the ceiling portion connected to the intake port 41a ′, the duct 24 in the ceiling portion, and the intake communication port. It can also be done using a vertical duct 55 connected to 23a '. In addition, it can also be performed using a gap in the sleeve waist wall of the kitchen counter in DK41, a storage space under the stairs, a gap (not shown) between the outer wall and the inner wall, etc. It is preferable to select a location that is as inconspicuous as possible.
[0017]
Further, the exhaust ports 45a and 46a are preferably provided to serve as exhaust ports in the toilet 45, bathroom 46, etc., where dirty air tends to stay and the ventilation fan 51 is required, and are connected to the exhaust communication port 23b ′. It is preferable to use a dead space 56 or a pipe space (not shown) for installing equipment.
[0018]
With such a configuration, the building 1 of the present invention communicates the intake port 41a, the underfloor space 10, and the exhaust ports 45a and 46a, thereby introducing the air sucked from the intake port 41a into the underfloor space 10 for distribution. Thus, the air can be discharged from the exhaust ports 45a and 46a (even in the indoor space, the air sucked from the intake port 41a can be circulated and discharged from the exhaust ports 45a and 45b. ing).
[0019]
It is also possible to connect the intake / circulation fan 13 and provide a branch chamber 57 (air branching means) as necessary to branch the intake air in a desired direction to guide the air.
Further, an underfloor storage (not shown) may be provided at a predetermined position in the underfloor space 10 so as to allow ventilation.
[0020]
The operation of the building 1 will be described.
The intake / circulation fan 13 and the exhaust fan 51 are operated. With the operation of the intake / circulation fan 13, air is introduced into the underfloor space 10 from the outside of the building 1 through the intake port 41 a, the intake communication port 23, and the intake duct 11. Is removed. The intake / circulation fan 13 forcibly forms a clean air flow in the underfloor space 10. A part of this air passes through the passages of the lower spaces of the DK 41, the living room 42, the hall 48, the Japanese room 43, the bedroom 44, and the toilet 45, and then passes through the exhaust communication port 23a of the toilet 45 and the exhaust fan of the toilet 45. 51 is discharged to the outside.
[0021]
In addition, a part of the air passes through the exhaust passage 23a of the toilet 45 after passing through the path of the lower space of the DK 41 → the living room 42 → the hall 48 → the hallway 49 → the toilet 45, and the exhaust fan 51 of the toilet 45 It is discharged to the outside through.
Further, a part of the air passes through the exhaust passage (not shown) of the bathroom 46 after passing through the paths of the lower spaces of the DK 41 → living room 42 → hall 48 → Japanese room 43 → bedroom 44 → bathroom 46, The air is discharged to the outside through the exhaust fan 51 of the bathroom 48 (the air flow is indicated by a dotted line in FIG. 2).
[0022]
As described above, according to the present invention, the intake port 41a and the exhaust ports 45a and 46a provided in the main body housing 2 and the underfloor space 10 are communicated with each other so that the air sucked from the intake port 41a is stored in the underfloor space 10. It is possible to improve the air permeability of the underfloor space 10 because it can be introduced into the air and circulated and discharged from the exhaust ports 45a and 46a. Therefore, the humid state of the underfloor space 10 can be improved, and the occurrence of dew condensation, the generation of pests and the like can be prevented, so that the durability of the building 1 can be improved.
Moreover, since it is not necessary to provide the inlet port 41a and the exhaust ports 45a and 46a in the foundation 3, durability of the building 1 can be improved.
[0023]
In addition, according to the present invention, the air discharged from the underfloor space 10 is made outside the building 1 using the toilet 45 and the exhaust fan 51 of the bathroom 46 that are installed in advance in the indoor space where dirty air tends to stay. It is discharging. Therefore, since it is not necessary to provide a new exhaust fan for exhausting, the facility cost can be reduced and the underfloor space 10 can be efficiently ventilated.
[0024]
Moreover, since it is not necessary to provide the inlet 41a and the exhaust ports 45a and 46a in the foundation 3, and the heat insulating material 36 is stuck in the predetermined position of the outer periphery rising part 32 and the bottom board part 31 of the foundation 3, indoor space Therefore, it is possible to improve the efficiency of air conditioning and heating, and to provide a comfortable living space.
Furthermore, since the intake filter 11 and the intake / circulation fan 13 are installed in the underfloor space 10, a large amount of clean air can be guided to the underfloor space 10, so that a good environment is maintained and efficient. It becomes possible to ventilate. Therefore, the underfloor space 10 can be used for an underfloor storage or the like, and effective use can be achieved.
[0025]
As mentioned above, although an example about a suitable embodiment was explained about the present invention, the present invention is not restricted to the embodiment concerned, and a design change is possible suitably in the range which does not deviate from the meaning of the present invention. In particular, it goes without saying that the number of floors, the floor plan or the use of the building is not questioned.
In addition, the positions of the intake port, exhaust port, intake communication port, exhaust communication port, ventilation means, etc. are provided at positions where air can be efficiently circulated according to the target building. Any number is acceptable.
[0026]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the building which improved the durability and living property of the building by enabling the ventilation to space under a floor.
[Brief description of the drawings]
FIG. 1 is a side view showing a building of the present invention.
FIG. 2 is a plan view showing the building of the present invention.
FIG. 3 is a side view showing another example of the building of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Building 10 Underfloor space 11 Underfloor duct 12 Intake filter (air filtration means)
13 Intake / circulation fan (intake means)
2 Main body drive body 23 Floor board (floor member)
23a, 23a 'Intake communication port 23b, 23b' Exhaust communication port 3 Foundation 31 Bottom base part 32 Outer peripheral rising part 33 Inner rising part 33a Ventilation hole 36 Insulating material 41a, 41a 'Intake port 45a, 46a Exhaust port 51 Ventilation fan (exhaust means )
57 Branch chamber (air branch means)

Claims (2)

A main body housing having an intake port and an exhaust port; and a base of the lower portion of the main body housing having a rising portion and a bottom plate portion, and is in contact with the inner peripheral surface of the rising portion and the rising portion of the bottom plate portion. In a building in which a heat insulating material is affixed to a part, a space between the main body housing and the base is partitioned by a floor member, and an underfloor space that allows ventilation is formed,
Comprising a suction means and air filtration means installed in the underfloor space, and exhaust means provided in front Symbol present physique body, and
The floor member includes an intake communication port that communicates the first indoor space provided with the intake port and the intake unit, and an exhaust communication that communicates the second indoor space provided with the exhaust unit and the underfloor space. Having a mouth,
The intake means is connected to the intake communication port by an underfloor duct and introduces air sucked from the intake communication port into the underfloor space,
The air introduced into the underfloor space is exhausted from the exhaust port by the exhaust means through the exhaust communication port and the second indoor space .   The building according to claim 1, wherein an underfloor storage that allows ventilation is provided in the underfloor space.

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