JPH051845A - Ventilation system in multiple dwelling house - Google Patents

Abstract

PURPOSE:To obtain a multiple dwelling house having reverse beam type floor slabs with less humidity and without dew-formation and growth of ticks and mold by efficiently ventilating three spaces, slowing spaces under floor, residential spaces above floor and ventilation spaces between ceiling and floor slab. CONSTITUTION:A multiple dwelling house has reverse beam type floor slabs 1. An under-floor slowing spaces 14 are formed under floor boards 13 on reverse beams 9 and 10 and a residential spaces 17 above the floor boards 13. A ceiling ventilation space 18 is formed above the residential spaces 17, and those three spaces 14, 17 and 18 communicate with each other and are forcibly, efficiently ventilated by pressure air of a heat exchanger H installed in the under-floor stowing space 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation air conditioning system for an apartment house such as a condominium.

[0002]

2. Description of the Related Art Conventionally, natural ventilation by a ventilation port and forced ventilation by a ventilation device such as a ventilation fan are generally well known as individual ventilation means in an apartment house.

[0003]

In recent years, however, the quality of housing parts such as entrance doors and window sashes has been improved, the airtightness of living spaces has increased due to improvements in construction accuracy and heat insulation performance, and equipment such as kitchen equipment has been improved. Due to the increase in size and the like, conventional ventilation means tend to have insufficient ventilation volume, which causes dew condensation and causes mold and mites, resulting in deterioration of the living environment,
There was a problem that it caused a decrease in the durability of the house.

Therefore, in order to solve such a problem, ventilation duct piping is installed in the ceiling space above the living space, and a forced ventilation device causes air flow from air supply to exhaust in the living space and duct piping to perform forced ventilation. Something to do is suggested. However, according to such ventilation means,
There are problems that not only the equipment cost and construction cost increase due to the complicated overall structure, especially the piping structure, but also the subsequent maintenance is troublesome.

The present invention has been made in view of such circumstances, and in an apartment house having a floor structure of a reverse beam, a three-layer ventilation system including an underfloor storage space layer, an above-floor living space layer, and an above-ceiling ventilation space layer is provided. An object of the present invention is to provide a ventilation air conditioning system in an apartment house which is formed in a space layer and allows ventilation air to circulate in the space layer to perform efficient ventilation, thereby solving the above-mentioned problems. Is.

[0006]

In order to achieve the above object, the first feature of the present invention is that a floor slab of a skeleton is provided with a reverse beam projecting upward, and a floor plate is laid on the reverse beam. As a result, in an apartment house in which an underfloor storage space layer is formed under the floorboard and an on-floor living space layer is formed on the floorboard, an above-floor living space layer is formed with an above-floor ventilation space layer and an underfloor storage space layer is formed. , The floor living space layer and the floor ventilation space communicate with each other through the lower ventilation port, the floor space and the ceiling ventilation space layer communicate with each other through the upper ventilation port, and the underfloor storage space layer is connected to the body wall. A heat exchanger is provided in the underfloor storage space layer through a ventilation passage provided along the floor, and a heat exchanger is provided in the underfloor storage space layer, and two ventilation ducts connected to the heat exchanger are provided on the floor living space layer and the ceiling. While communicating with the back ventilation space layer respectively The outlet opens into the underfloor storage space layer suction port directly, further connected to the heat exchanger feed lies in that an opening of the exhaust duct to the outside air.

A second feature of the present invention is that
In addition to the first feature, two lines of air supply ducts are connected to the heat exchanger, and the air supply ducts are opened to the south side and the north side outside air respectively to selectively supply the south side outside air and the north side outside air. It is in the point that it was possible.

[0008]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a vertical sectional view of an apartment house equipped with the system of the present invention taken along line 1-1 in FIG. 2, and FIG.
FIG. 4 is a plan view taken along line 2, FIG. 3 is a diagram showing a flow of ventilation in the case of summer specifications, and FIG. 4 is a diagram showing a flow of ventilation in the case of winter specifications.

In FIGS. 1 and 2, an apartment house has a reinforced concrete structure and is divided into a plurality of layers by a floor slab 1 which constitutes a part of the skeleton F. The individual exclusive spaces S provided in each layer are left and right body partition walls that partition between the front and rear body outer walls 2 and 3 and the adjacent individual exclusive spaces S that are adjacent in the direction perpendicular to the paper surface in FIG. It is divided by 4 and 5, and the skeleton pillars 6 are erected at the four corners of the individual exclusive space S. Further, a balcony 7 is projected on the outer side of the body outer wall 3 facing the south side, and a passage 8 is projected on the outer side of the body outer wall 2 facing the north side.

On the upper surface of each floor slab 1, four reverse girders 9 that connect the opposite building pillars 6 are integrally formed so as to project upward, and inside the four reverse girders 9, the reverse girders 9 are formed. Two reverse joists 10 having a height slightly lower than 9 are integrally formed so as to cross the floor slab 1 in parallel with each other. A plurality of short bundles 11 and 12 are arranged on the reverse large beam 9 and the reverse small beam 10 at a predetermined interval, and a floorboard 13 is laid on the bundles 11 and 12. Then, between the floor plate 13 and the floor slab 1 below the floor plate 13, a sealed underfloor storage space layer 14 surrounded by an inverted girder 9 is formed. The under beam storage space layer 14 has an inverted beam 10 inside.
Is divided into a plurality of partition portions 14 ₁ , 14 ₂ and 14 ₃ , but an air circulation gap is formed between the reverse beam 10 and the floor plate 13, so that the entire underfloor storage space layer 14 is filled with air. Can be freely distributed.

On the floor board 13, the floor board 13, the ceiling wall 15, and the side wall 16 form a floor living space layer 17 on the floor.
Is defined, and an in-ceiling ventilation space layer 18 is formed between the ceiling wall 15 of the above-floor living space layer 17 and the floor slab 1 above the floor.
Is communicated with the underfloor storage space layer 14 through a plurality of ventilation passages 19 formed between the side wall 16 of the above and the outer walls 2 and 3 of the front and rear frames. It is also communicated with the above-floor living space layer 17 through a plurality of upper ventilation openings 20 that are opened at the corners and the middle of the ceiling wall 15.

A plurality of lower ventilation openings 21 are opened at the corners and the middle of the floor plate 13, and the underfloor storage space layer 14 and the floor living space layer 17 communicate with each other through the ventilation openings 21.

Central partition 1 of the underfloor storage space layer 14
4 in the _second heat exchanger H to be more a fan coil unit and the heat exchange unit is installed. In front of this heat exchanger H,
Rear and openable south and north air supply and exhaust ducts 2
3, 24 and 25, 26 are symmetrically connected, and the south side supply and exhaust ducts 23, 24 pass through the reverse beam 10 and the reverse beam 9 of the underfloor storage space layer 14 and penetrate the outer frame wall 3,
It is open to the outside on the south side, that is, on the balcony 7 side.
The north side air supply and exhaust ducts 25 and 26 are also underfloor storage space layer 1
4 passes through the reverse small beam 10 and the reverse large beam 9 and penetrates the skeleton outer wall 2, and opens to the north side, that is, the outside of the passage 8 side.

The heat exchanger H has a switchable outlet, inlet,
The switching port 27 is directly opened to the underfloor storage space layer 14, and when this port 27 is switched to the outlet side, fresh air can be directly blown from this port 27 to the underfloor storage space layer 14, and this blowout, When the suction / switch port 27 is switched to the suction side, the underfloor storage space layer 1
The contaminated air in 4 can be inhaled. In addition,
The suction / switching port 27 may be separately provided in the heat exchanger H.

A plurality of horizontal ventilation ducts 28, 29 are connected to the heat exchanger H, and these ducts 28, 29 are connected.
Communicates with the above-floor living space layer 17 through the plurality of lower ventilation ports 21 opened in the floor plate 13. Further, a vertical ventilation duct 30 is connected to the heat exchanger H, and this duct 30
Penetrates the ceiling wall 15 and communicates with the above-ceiling ventilation space layer 18.

Natural air inlets 33, 35 and natural air outlets 34, 36 which open and close the outside air and the ventilation passage 19 are opened at the upper portions of the front and rear outer walls 2, 3 of the body F. .

In the figure, 37 is an entrance, and 38, 39 and 40 are openings.

Next, the operation of the embodiment of the present invention will be described.

First, referring to FIGS. 1 and 2, the case of the summer specification of this embodiment will be described.

The south side supply and exhaust ducts 23 and 24, which are open to the outside on the south side, are closed and the heat exchanger H is switched to the summer specification.

When the heat exchanger H operates, the arrow (a) in FIG.
The air supply duct 25 on the north side that opens to the outside on the north side as shown in
Intake relatively cool outside air outside the north side. In the heat exchanger H, the cold air after heat exchange flows through the vertical ventilation duct 30 to the above-floor ventilation space layer 18 above the floor living space layer 17 as shown by an arrow (b). The cold air flowing into the layer 18 flows through the entire area as shown by an arrow (c) in FIG. 3, and a part of the cold air passes through a plurality of upper ventilation openings 20 of the ceiling wall 15 as shown by an arrow (d) on the floor. The remaining cool air that has flowed to the living space layer 17 and that has reached the front and rear portions of the above-ceiling ventilation space layer 18 flows to the ventilation passage 19 as indicated by arrow (e).

By the way, the cold air that has flown into the floor space 17 above the floor flows through the space layer 17 from the upper side to the lower side as shown by the arrow (d) in FIG. It is returned to the heat exchanger H through a plurality of lower ventilation ports 21 opened in 13 and horizontal ventilation ducts 28 and 29. On the other hand, the remaining cool air flowing into the ventilation passage 19 flows downward through the passages 19 ... As shown by the arrow (e) to the underfloor storage space layer 14, and further as shown by the arrow (f) in FIG. After ventilating the underfloor storage space layer 14 by flowing from 14 to the central part from the front and rear parts, blowout, suction,
It is returned to the heat exchanger H through the switching port 27.

The polluted air that has flowed back to the heat exchanger H undergoes heat exchange there, and is then discharged to the outside air through the exhaust duct 26 as shown by the arrow (g) in FIG.

As described above, in the summer, the cool air from the heat exchanger H is evenly distributed to the above-floor living space layer 17 and the under-floor storage space layer 14 in the same manner for efficient ventilation. At the same time, a part of the cool air is circulated in the above-ceiling ventilation space layer 18, and the floor slab 1, the outer wall of the building 2, 3
It is possible to ventilate around the building such as.

Next, referring to FIGS. 1 and 2 and FIG. 4 together, the case of the winter specification of the present embodiment will be described.

Supply and exhaust ducts 25 opening to the outside on the north side,
26 is closed and the heat exchanger H is switched to winter specifications.

By operating the heat exchanger H, relatively warm outside air is taken into the heat exchanger H from the air supply duct 23 opening to the outside on the south side as shown by the arrow (a) in FIG. The warm air after the heat exchange is the horizontal ventilation ducts 28, 2 as shown by the arrow (b) in FIG.
9 through the plurality of lower ventilation openings 21 of the floor plate 13 to ventilate the floor space 17 from the bottom to the top as shown by the arrow (c) in FIG. As shown by the arrow (d), warm air is blown directly into the underfloor storage space layer 14 from the blowout / suction / switching port 27 of the heat exchanger H to ventilate the space layer 14.

By the way, the warm air which has ventilated the above-floor living space layer 17 flows to the above-ceiling ventilation space layer 18 through a plurality of upper ventilation openings 20 of the ceiling wall 15 as shown by the arrow (e) in FIG.
On the other hand, the warm air that has ventilated the underfloor storage space layer 14 flows to the above-ceiling ventilation space layer 18 through a ventilation passage 19 as shown by the arrow (v) in FIG. After merging in the layer 18, they are returned to the heat exchanger H through the vertical ventilation passage 30 as shown by the arrow (g) in FIG.
Then, the contaminated air that has returned to the heat exchanger H is
After heat exchange inside the exhaust duct 2 as shown by the arrow (h) in Fig. 4.
Pass through 4 and be discharged to the outside air on the south side.

As described above, in the winter, the warm air from the heat exchanger H is evenly distributed to both the underfloor storage space layer 14 and the above-floor living space layer 17 for efficient ventilation. It is possible to circulate a part of warm air in the space above the ceiling ventilation space 18 to ventilate the space around the skeleton such as the floor slab 1, the outer walls 2 and 3 of the skeleton.

In spring or autumn, the ventilation means for the summer or winter specifications can be selectively adopted depending on the temperature at that time, and the above-mentioned forced ventilation may be changed to natural ventilation. In some cases, natural feeds that are provided at the upper parts of the front and rear body outer walls 2 and 3 are opposed to each other,
If the exhaust ports 33, 34 or 35, 36 are selectively opened, these supply and exhaust ports 33, 34 or 35, 3 are supplied.
6, the outside air freely flows between the outside and the above-ceiling ventilation space layer 18, the above-floor living space layer 17, and the underfloor storage space layer 14 to efficiently and naturally ventilate these space layers 18, 17 and 14. it can.

In the above embodiments, the heat exchanger H used is a conventionally known one, and cooling and heating of the living space on the floor can be performed by other cooling and heating equipment (not shown).

[0033]

As described above, according to the invention of claim 1,
In an apartment house equipped with a floor slab of a reverse beam structure, the underfloor storage space, the above-floor living space and the above-ceiling ventilation space are formed into three layers of ventilation space, and these spaces are installed in the underfloor storage space over all of them. Ventilation can be efficiently performed by a device, and especially by flowing the ventilation flow along the body wall such as the floor slab and the outer wall of the body, dew condensation on the body wall due to stagnation of air can be prevented and mold caused by it can be prevented. It is possible to prevent the occurrence of ticks, provide a comfortable living space, and improve the durability of the house.

According to the invention of claim 2, in addition to the effect of the invention of claim 1, the outside temperature is effectively used, for example, cold outside air on the north side in summer and warm outside air on the south side in winter. It can be used as ventilation air to perform forced ventilation with good thermal efficiency.

[Brief description of drawings]

FIG. 1 shows an apartment house equipped with a ventilation air conditioning system of the present invention,
A longitudinal sectional view taken along line 1-1 of FIG.

FIG. 2 is a cross-sectional plan view taken along line 2-2 of FIG.

[Fig. 3] Diagram showing the flow of ventilation in the case of summer specifications

[Figure 4] Diagram showing the flow of ventilation in the case of winter specifications

[Explanation of symbols]

1 floor slab 9 Reverse beam 10 Reverse beam 13 floor board 14 Underfloor storage space layer 17 Floor space space 18 In-ceiling ventilation space layer 19 Ventilation passage 20 Upper ventilation port 23 South side air supply duct 24 South side exhaust duct 25 North air supply duct 26 North side exhaust duct 27 Blow-off and suction ports 28,29 Horizontal ventilation duct F body H heat exchanger

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Masafumi Matsumoto             12-1, Akenohigashi 2-chome, Oita City, Oita Prefecture

Claims (2)

[Claims] 1. A floor slab (1) of a skeleton (F) is provided with a reverse beam (9, 10) protruding upward, and the reverse beam (9, 10) is provided.
In the housing complex, the floorboard (13) is laid on the floorboard (13) to form the underfloor storage space layer (14) and the floorboard (13) on the floor living space layer (17). A ceiling ventilation space layer (18) is formed above the floor living space layer (17), and the underfloor storage space layer (14) and the floor living space layer (17) are mutually connected via a lower ventilation port (21). And the floor space (17) above the floor and the air space layer (18) above the ceiling communicate with each other through the upper ventilation port (20), and the under floor storage space layer (14) is connected to the body wall (2). 3) is communicated with the above-ceiling ventilation space layer (18) through a ventilation passageway (19) provided along the space, and a heat exchanger (H) is provided in the underfloor storage space layer (14), and this heat exchange is performed. Ventilation ducts (28, 29; 3) connected to the container (H)
0) is connected to the above-floor living space layer (17) and the above-ceiling ventilation space layer (18), and its outlet and suction ports (27) are directly opened to the under-floor storage space layer (14),
Furthermore, the supply and exhaust ducts (23, 23) connected to the heat exchanger (H)
24; 25, 26) is a ventilation air conditioning system in an apartment house, which is open to the outside. 2. The heat exchanger (H) is connected to two systems of air supply ducts (23, 25), and these air supply ducts (23, 25) are opened to the south and north outside air, respectively. The ventilation air-conditioning system for an apartment according to claim 1, wherein the south side outdoor air and the north side outdoor air can be selectively supplied.