JP2003082784A - Floor structure of building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a floor structure of building capable of giving a properly warm feeling under foot and suppressing the cost. SOLUTION: A building 1 comprises a foundation 2 and a building body 3. The foundation 2 comprises a raised part 21 for supporting the building body 3 and a foundation slab 22 for transmitting the load from the raised part 21 to ground G. A heat insulating layer 6 is provided on the ground G on the inside of the foundation 2. The raised part 21 is protruded above the heat insulating layer 6 to form an underfloor space 23 for introducing air between the heat insulating layer 6 and the building body 3. Slits 211A-211E extending through in the thickness direction are formed on the upper end side of raised parts 21A-21E. A heat accumulation layer 5 is arranged on the lower side of a grating 315B exposed to sunlight A near the slit part 221A. The air flowing to the underfloor space 23 through the slit part 211A passes under the floor of each room 314-318 after warmed by the heat accumulation layer 5, and goes out through the slit part 211E.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a floor structure of a building.

[0002]

BACKGROUND ART Floors such as living rooms and corridors in conventional buildings such as houses are sometimes made of flooring material. Floors made of this flooring material are often used for reasons such as easy cleaning, but in winter, the soles of the feet feel cold, and this causes discomfort such as heat shock, so improvement is required. . For this reason, in addition to the conventional warm air heating, floor heating is often used for heating the building. This floor heating is low-temperature radiant heating that raises the temperature of the floor itself to heat the room, and is known as a hot water type in which a plurality of hot water pipes are provided on the floor and an electric heating type in which an electric heater is laid on the floor ( See Japanese Patent Application Laid-Open No. 11-172778).

[0003]

However, in such floor heating, it is necessary to install a special device in the underfloor space, and the utility cost of electricity, gas, etc. is increased during use, resulting in high cost. There was a problem.

An object of the present invention is to provide a floor structure for a building in which the feet can be appropriately warmed and the cost can be suppressed.

[0005]

The present invention will be described with reference to the drawings. The floor structure of a building 1 according to the present invention is a floor structure of a building having an underfloor space 23 for introducing air under the floor. And a suction port 211A for taking air into the underfloor space 23 and a discharge port 211E for discharging the taken air to the outside of the underfloor space 23, and the heat storage layer 5 is provided near the suction port 211A. It is characterized by being installed. In such an invention, for example, when sunlight or the like is poured into the heat storage layer and heat is stored in the heat storage layer, the air warmed by this heat goes out from the outlet through the underfloor space. Here, when the warmed air passes through the underfloor space, heat is exchanged between the warmed air and the floor portion of the building, so that the floor portion of the building is warmed. As a result, the feet can be warmed appropriately even in the winter and the like. Also, unlike the conventional case, it does not require a special floor heating device under the floor,
In addition to construction costs, running costs can be reduced.

Here, the heat storage layer 5 is preferably provided below the floor portion 315B to which sunlight is poured. With this configuration, when sunlight is poured onto the floor to warm the floor, the heat in the warmed floor is transferred to the heat storage layer. At this time, heat from sunlight can be directly transferred to the heat storage layer through the floor portion, so that heat exchange in the underfloor space can be efficiently performed.

The heat storage layer 5 is preferably made of concrete. According to such a configuration, for example, a heat storage layer having an accurate shape can be easily applied only by placing and hardening concrete having fluidity in a predetermined space.

Further, it is preferable that a heat insulating layer 6 is provided below the underfloor space 23. According to such a configuration, the heat in the warm air introduced into the underfloor space is transferred to the floor part of the building without being transferred to the ground side by the heat insulating layer. Therefore, the floor portion of the building can be efficiently and surely heated.

The heat insulating layer 6 is preferably made of concrete. According to such a configuration, for example, a heat insulating layer having an accurate shape can be easily applied only by pouring and hardening concrete having fluidity in a predetermined space.

Further, the rising portion 21A of the foundation 2 of the building 1
In the portion projecting from the ground G at the suction port 211A
Are preferably formed. At this time, it is more preferable that a discharge port 211E is formed in a portion projecting from the ground G in the rising portion 21E of the foundation 2 of the building 1. According to such a configuration, when concrete is poured to form the rising portion, for example, by fixing the formwork for the suction port and the discharge port to the formwork for forming the rising part,
In the projecting part of the rising part from the ground, it is sufficient to cut the upper end part or form a through hole in the intermediate part which is the side surface to form the suction port and the discharge port, so that the construction is easy. .

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is an external perspective view showing a building 1 according to an embodiment of the present invention. FIG. 2 is a vertical sectional view showing the building 1. FIG. 3 is a partial perspective view showing a part of the base 2 in an enlarged manner. FIG. 4 is a plan view showing the first floor portion 31 of the building 1. FIG. 5 is a vertical cross-sectional view showing an enlarged main part of FIG. As shown in FIG. 1, a building 1 is a two-story building assembled by a panel construction method, and includes a foundation 2 provided in a substantially rectangular plane shape and a building body 3 installed on the foundation 2. , And a roof 4 installed on the building body 3.

As shown in FIGS. 2 and 3, the foundation 2 supports the building body 3 from the lower side, and a rising portion 21 protruding from the ground G, and below the rising portion 21, from the rising portion 21. The foundation slab 22 that transmits the load applied in the vertical direction to the ground G is provided. Further, in the rising portion 21, a notch portion 211 penetrating in the thickness direction of the rising portion 21 is formed on the upper end side protruding from the ground G. The cut portion 211 is formed in a rectangular parallelepiped shape having a predetermined height from the upper end of the rising portion 21.

Here, as shown in FIG. 2, a heat insulating layer 6 formed by pouring concrete is provided on the upper side of the ground G inside the foundation 2. At this time, basic 2
The heat insulating layer 6 is provided so that the cut portion 211 of the rising portion 21 is located above the heat insulating layer 6. Therefore, the rising portion 21 that abuts on the floor portion of the building body 3 rises from the heat insulating layer 6 by a predetermined height dimension.
An underfloor space 23 is provided between the floor portion and the heat insulating layer 6.

As shown in FIG. 1, the building body 3 includes a first-floor portion 31 and a second-floor portion 32 which is an upper floor thereof. As shown in FIG. 4, the first floor portion 31 has an entrance 311.
, Office 312, hall 313, and lavatory 314
, Solarium 315 and main living room 316
, Sub-living room 317, staircase 318, dining room 319, and utility room 320
A kitchen 321 and a machine room 322. In addition, as shown in FIG. 2, the second floor portion 32 has two living rooms 3
23, 324, etc. are provided.

Here, as shown in FIGS. 2 and 4, the sunroom 315 faces the south side, the main living room 316 is adjacent to the north side of the sunroom 315, and further, the north side of the main living room 316. The sub-living room 317 is adjacent to. Further, a staircase room 318 is adjacent to the north side of the sub-living room 317, and the staircase room 318 faces the north side. Each of these rooms 316
The floor portions of to 318 are made of flooring material such as oak.

As shown in the enlarged view of FIG. 5, the sunroom 315 has a glass window 315A on its south side and a cage 315B on the floor. Since the south side surface of the sunroom 315 has a glass window 315A, sunlight A is poured into the sunroom 315 during the daytime, and the sunken 31
Sunlight A is also poured on 5B.

In addition, the sunken cub 3 in the solarium 315
A heat storage layer 5 formed by pouring concrete is provided on the lower side of 15B and the upper side of the heat insulating layer 6.
As a result, the cage 315 warmed by the sunlight A
The heat of B is directly transferred to the heat storage layer 5, and the heat is stored in the heat storage layer 5. At this time, since the heat insulating layer 6 is provided below the heat storage layer 5, the heat is reliably stored in the heat storage layer 5.

Here, as shown in FIG. 2, in the rising portion 21 of the foundation 2, the sun room 315, the main living room 316, the sub living room 317, and the staircase 3
On the lower side of 18 and in the five rising portions 21A to 21E extending in the east-west direction (side faces facing north-south direction),
Cut portions 211 (211A to 211E) are respectively formed. Although not shown, the rising portion 21 extending in the north-south direction has no cut portion.

Here, the glass window 31 of the solarium 315
The cut portion 211A in the rising portion 21A facing the south side under 5A is the inlet according to the claim, and the cut portion 211E in the rising portion 21E facing the north side under the staircase 318 is claimed. It is the discharge port related to paragraph.

The underfloor space 23 and the notch 211 (21
1A to 211E) form a ventilation structure that allows ventilation in the north-south direction between the building body 3 and the heat insulating layer 6. In such a ventilation structure, the notch (suction port)
When the air flows into the underfloor space 23 from 211A, the inflowing air is warmed by the heat storage layer 5 storing the heat of the sunlight A through the cage 315B, and then the cage 31.
5B, flow into the underfloor side of the main living room 316, the sub-living room 317, and the staircase 318 from the cut portion 211B, and cut into the cut portions 211C and 2C.
It passes through 11D and exits from the cut portion (discharge port) 211E.

Therefore, warm air flows through the underfloor space 23 from the south side to the north side along the route indicated by the arrow X in FIG. At this time, the heat of the warm air is not transferred to the ground G by the heat insulating layer 6, and the main living room 316 and the sub living room 3 that are above the underfloor space 23 are provided.
17 and the floor portion of the staircase 318. As a result, the floors of the rooms 316 to 318 are warmed.

The construction method of the building 1 of this embodiment is performed as follows. First, the formwork of the foundation 2 is assembled. Then
A rectangular parallelepiped form for the cut portion 211 is fixed to a predetermined position of the form of the base 2 with nails or screws. After that, while confirming that the position of the mold for the cut portion 211 does not shift,
Place concrete in the formwork of foundation 2. After the concrete is hardened, the formwork of the foundation 2 and the formwork for the cut portion 211 are disassembled. Subsequently, concrete for the heat insulation layer 6 is cast and hardened on the upper side of the ground G which is the inside of the foundation 2.
Then, the heat insulating layer 6 (6
Concrete for the heat storage layer 5 is placed and cured on the upper side of A). Finally, the building main body 3 to which the roof 4 is attached is placed on the foundation 2 for construction.

According to this embodiment, there are the following effects. (1) With the heat stored in the heat storage layer 5 by the sunlight A,
The air flowing into the underfloor space 23 from the notch portion 211A is
After being heated by the heat storage layer 5, the cutout portion 211B in the vicinity of the heat storage layer 5 passes under the floors of the main living room 316, the sub living room 317, and the staircase room 318, and exits from the discharge port 211E. At this time, heat is exchanged between the warmed air and the floor portions of the main living room 316, the sub-living room 317, and the staircase room 318, so that the floor portions of these rooms 316 to 318 are warmed. Therefore, the feet can be appropriately warmed even in winter or the like. Further, unlike the conventional case, a special underfloor heating device or the like is not required under the floor, so that the running cost can be suppressed in addition to the construction cost and the like.

(2) When sunlight A is poured into the sunroom 315 to heat the cage 315B, the heat in the warmed cage 315B is transferred to the heat storage layer 5. At this time, the heat from the sunlight A can be directly transferred to the heat storage layer 5 through the cage 315B, so that the heat exchange in the underfloor space 23 can be efficiently performed.

(3) Since the heat storage layer 5 and the heat insulation layer 6 are formed by pouring concrete, the heat storage layer 5 and the heat insulation layer 6 having correct shapes can be easily applied. Further, since concrete has a relatively large heat capacity, it is suitable as the heat insulating layer 6 and the heat storage layer 5.

(4) Since the heat insulation layer 6 is provided below the underfloor space 23, the heat of the warm air introduced into the underfloor space 23 is not transferred to the ground G and the rooms 316 to 318 are not heated. Is transmitted only to the floor part. Therefore, each room 316-3
The floor part of 18 can be heated efficiently and reliably.

(5) Since the notch 211 is formed at the upper end of the foundation 21 protruding from the ground in the rising part 21 of the foundation 2, and the notch 211 is used as a vent such as an inlet and an outlet, the notch 211 is constructed. At this time, the construction can be easily performed by fixing the form for the notch 211 to the form for forming the rising portion 21 and placing concrete. At this time, since the cut portion 211 has a rectangular parallelepiped shape, the cut portion 2
It is possible to easily form the form 11 and install the form.

(6) Since the air is introduced into the underfloor space 23, the air permeability of the underfloor space 23 can be secured,
It is possible to prevent the generation of mold and the like due to moist baskets.

(7) A main living room 316 and a sub living room 317 are provided above the underfloor space 23. Usually, in these rooms 316 and 317, the resident, the guest, etc. will relax for a relatively long time, so that the heating effect of the floor portion can be felt more effectively.

The present invention is not limited to the above-described embodiment, but includes other configurations and the like that can achieve the object of the present invention, and the following modifications and the like are also included in the present invention.
For example, in the above-described embodiment, the vents such as the intake port and the exhaust port are notched portions 211 that are formed by cutting the upper end side of the rising portions 21, but the invention is not limited to this.
In the portion projecting from the ground G in, the side surface portion may be penetrated. However, the above-described embodiment has an advantage in that it is easier to install the mold for the notch portion 211 at the time of construction. Further, a rectangular parallelepiped auxiliary member may be arranged on the upper surface of the rising portion 21, and the building body 3 may be placed on the auxiliary member. In this way, a space is formed between the building body 3 and the rising portion 21 by the height dimension of the auxiliary member, and this space can be used as a ventilation port such as a suction port and a discharge port. However, in the above-described embodiment, since the vent holes such as the intake port and the exhaust port are integrally formed in the base 2, there is an advantage that these vent ports can be easily formed. In short, the shape and structure of the rising portion 21 of the foundation 2 are not particularly limited as long as both side surfaces communicate with each other and allow air to pass therethrough.

Here, in the above-mentioned embodiment, the cut portion 211 has a rectangular parallelepiped shape, but the shape is not limited to this, and may have other shapes such as a cubic shape or a trapezoidal cross section. In addition, the number of cut portions 211 formed in the rising portion 21 is not particularly limited.

Further, the cut portion 2 facing the outside of the building 1
Although nothing is particularly provided in 11A and 211E, for example, a wire net or the like may be provided so that small animals do not enter. At this time, it is necessary to prevent the inflow and outflow of air in these notches 211A and 211E, but it is also possible to use other materials such as a net other than a wire mesh.

Further, in the above-mentioned embodiment, the floor of the sunroom 315 is the cage 315B, but the floor is not limited to this and may be another floor such as tempered glass or the like, which is configured to easily transfer heat. Preferably. However, the floor may be dust-proof coating or the like which is directly coated on the concrete heat storage layer 5. Further, the heat storage layer 5 may be exposed to the sunroom 315 so that the floor portion is not provided. That is, as long as the heat storage layer 5 can receive the heat from the sunlight A, its configuration is not particularly limited.

In the above embodiment, the heat storage layer 5 is formed by pouring concrete, but it may be formed of an ALC plate or the like manufactured in advance in a factory or the like. Also,
Although the heat storage layer 5 is made of concrete, it may be made of other materials. In short, it suffices if the heat storage layer 5 can store heat.

Although the heat insulating layer 6 is formed by pouring concrete in the above embodiment, it may be formed of an ALC plate or the like manufactured in advance in a factory or the like. Also,
Although the heat insulating layer 6 is made of concrete, the heat insulating layer is not limited to this, and the heat insulating layer may be made of so-called heat insulating material such as glass wool, calcium silicate or urethane, or may be made of architectural aggregate such as perlite. Good. In short, it is sufficient that the heat insulating layer 6 can block the heat transfer to the ground G.

In the above embodiment, the base 2, the heat insulating layer 6 and the heat storage layer 5 are separate bodies, but the base 2 and the heat insulating layer 6 may be integrally formed, or the heat insulating layer 6 and the heat insulating layer 6 may be formed integrally. The heat storage layer 5 may be integrally formed. Also, basic 2
The heat insulating layer 6 and the heat storage layer 5 may all be integrally formed. If they are integrally formed in this way, they can be constructed at once by pouring concrete.

Further, in the above-mentioned embodiment, the underfloor space 23 is provided between the foundation 2 and the building body 3, but not limited to this, the floor portion of the building body 3 is made into two layers, and air is provided between these layers. You may form an underfloor space so that may pass.

In the above embodiment, the first floor portion 3
Although the floor portion of each of the rooms 316 to 318 configuring the first embodiment is made of flooring material, the floor portion is not limited to this and may be made of other floor material such as tatami mat. However, the above embodiment has an advantage that the warmth of the floor portion can be more easily felt.

In the above embodiment, the heat storage layer 5 is configured to store heat by sunlight, but the present invention is not limited to this, and heat may be stored from other heat sources such as waste heat.

Further, in the above-mentioned embodiment, the heat storage layer 5 is installed on the lower side of the cage 315B of the sunroom 315, that is, on the inside of the foundation 2. However, the present invention is not limited to this. The heat storage layer 5 may be installed outside the main body 3. In short, the heat storage layer 5 may be installed in the vicinity of the cut portion 211A serving as the suction port.

[0041]

According to the invention described in claim 1, when sunlight or the like is poured into the heat storage layer and heat is stored in the heat storage layer, the air warmed by this heat passes through the underfloor space. , Go out through the outlet. At this time, since heat is exchanged between the warmed air and the floor of the building, the floor portion of the building is heated, and there is an effect that the feet can be appropriately warmed even in winter and the like. Further, unlike the conventional case, there is no need for a special underfloor heating device or the like under the floor, so there is an effect that running cost can be suppressed in addition to construction cost and the like.

According to the second aspect of the present invention, when sunlight is poured into the floor to warm the floor, the heat in the warmed floor is transferred to the heat storage layer. At this time, since the heat of sunlight can be directly transferred to the heat storage layer through the floor, there is an effect that the heat exchange in the underfloor space can be efficiently performed.

According to the third aspect of the invention, for example,
There is an effect that it is possible to easily construct a heat storage layer having an accurate shape simply by pouring fluid concrete in a predetermined space and hardening it.

According to the fourth aspect of the present invention, the heat in the warm air introduced into the underfloor space is not transferred to the ground side by the heat insulating layer but is transferred only to the floor portion of the building. Therefore, there is an effect that the floor portion of the building can be efficiently and reliably heated.

According to the invention described in claim 5, for example,
There is an effect that it is possible to easily construct a heat storage layer having an accurate shape simply by pouring fluid concrete in a predetermined space and hardening it.

According to the sixth and seventh aspects of the present invention, when concrete is poured to form the rising portion, for example, a mold for forming the rising portion has a suction port and a discharge port. It is easy to install because the suction port and the discharge port can be formed by fixing the formwork for cutting and cutting the upper side of the rising part or forming a through hole in the middle part that is the side surface of the rising part. There is an effect that can be.

[Brief description of drawings]

FIG. 1 is a diagram showing a building according to an embodiment of the present invention.

FIG. 2 is a vertical sectional view showing a building in the embodiment.

FIG. 3 is a partial perspective view showing an enlarged part of the foundation in the embodiment.

FIG. 4 is a plan view showing a first floor portion of the building in the embodiment.

5 is an enlarged vertical sectional view showing a main part of FIG.

[Explanation of symbols]

1 building 2 foundation 3 building body 5 Heat storage layer made of concrete 6 Concrete heat insulation layer 21 (21A-21E) Rising part 22 Basic Slab 23 Underfloor space 211 (211A to 211E) Notch 211A Notch as an inlet 211E Notch as discharge port 315 Sunroom 315B A cage as a floor 316 Main Living Room 317 Sub Living Room A sunlight

Claims (7)

[Claims] 1. A floor structure of a building having an underfloor space for introducing air under the floor, wherein an intake port for taking air into the underfloor space and the taken-in air are discharged to the outside of the underfloor space. A floor structure of a building, comprising: a heat storage layer provided in the vicinity of the suction port. 2. The floor structure of a building according to claim 1, wherein the heat storage layer is provided below a floor portion where sunlight is poured. 3. The floor structure of a building according to claim 1 or 2, wherein the heat storage layer is made of concrete. 4. The floor structure for a building according to claim 1, wherein a heat insulating layer is provided below the underfloor space. 5. The floor structure for a building according to claim 4, wherein the heat insulation layer is made of concrete. 6. The floor structure for a building according to claim 1, wherein the suction port is formed in a portion projecting from the ground in a rising portion of the foundation of the building. Floor structure of the building. 7. The floor structure for a building according to claim 1, wherein the discharge port is formed in a portion projecting from the ground at a rising portion of the foundation of the building. Floor structure of the building.