JP3082112B2 - House with inverted beam floor structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION This invention relates to the use of reverse beam floor structure housing, especially
Introducing a fresh air to the air-conditioning apparatus which performs air conditioning of the residential space to,
The present invention also relates to a duct device in a home air conditioner for discharging exhaust gas from the device.

[0002]

2. Description of the Related Art In recent years, in multi-dwelling houses such as condominiums and detached houses, air-conditioning equipment has been arranged at appropriate places in the housing space.
Various proposals have been made to ensure a healthy and comfortable living environment by performing cooling, heating and ventilation.

[0003]

However, in the prior art, the outside air taken in from the outside air intake is usually introduced into the air conditioner as it is, and the exhaust gas discharged from the air conditioner is discharged directly to the outside air. is there.

[0004] By the way, in such a conventional apparatus, for example, after the air conditioning is completed in winter, warm exhaust gas still considerably higher in temperature than outside air is directly discharged to outside air, and in summer, cold exhaust gas still much lower in temperature than outside air is directly discharged. In any case, the residual residual heat of the exhaust gas is released to the outside air, which causes not only poor thermal efficiency but also unfavorable environmental measures.

[0005] The present invention has been made in view of the above-mentioned circumstances, and is designed to transfer heat between a fresh air introduced into an air conditioner and an exhaust gas discharged from the fresh air very efficiently in an adiabatic state. It is an object of the present invention to provide a duct device in a new residential air conditioner, in which exhaust heat can be used effectively and the above-mentioned problem can be solved.

[0006]

In order to achieve the above-mentioned object, the present invention provides a method for manufacturing a slab on a floor slab constituting a floor portion of a skeleton wall.
An upward beam is protruded, and a floor board is laid on the beam,
The underfloor space below the floorboard and the living space above it
Formed in the underfloor space is provided an air conditioning system for supplying conditioned air to the living space, bar outwardly of the skeleton wall
A house with a reverse beam floor structure overhanging Lucony.
The slab is on the outside of the reverse beam connected to the outer wall of the frame
In addition, a cantilevered balcony floor wall with the tip rising up
It is integrated into the balcony floor and the outer wall.
A space under the balcony with an open top is formed by a series of inverted beams.
To close the upper surface of the opening of the balcony underfloor space.
Conical floorboards, the upstanding tip of the balcony floor wall,
Laying over the upper end of the inverted beam connected to the outer wall part
At the same time, on the balcony floor,
A vent is provided to allow air to communicate between the
Fresh air introduction connected to the intake and exhaust outlets respectively
Ducts and exhaust exhaust ducts are arranged side-by-side in a heat-insulating collecting duct with a heat exchange panel interposed between them .
Through the inverted beams in the underfloor space to reach the balcony underfloor space
And the exhaust exhaust duct is installed in the space under the balcony floor.
The fresh air introduction duct is open directly, while the
-The first feature is that it opens to the outside through the floor wall.
In addition to this feature, the balcony underfloor space
Is equipped with an air purifier interposed in the fresh air introduction duct.
Is a second feature.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which a duct device in an air conditioner of a house according to the present invention is applied to an apartment house having an inverted beam floor structure will be described below with reference to the drawings.

FIGS. 1 to 5 show a first embodiment of the present invention. FIG. 1 is a plan view of an apartment house equipped with a duct device of the present invention, taken along line 1-1 of FIG. 2, and FIG. 1, a longitudinal sectional view taken along line 2-2 in FIG. 1, FIG. 3 is a partially cutaway enlarged view taken along line 3-3 in FIG. 2, and FIG. FIG. 5 is an operation diagram showing a flow of the air-conditioning air in the summer mode.

As shown in FIGS. 1 and 2, a housing space H is defined on each floor of an apartment house by a skeleton wall F, and the skeleton wall F is configured as a heat storage body for absorbing and radiating heat. That is, the heat insulating layer 2 is laminated on the outer surface of the main body wall body 1 facing the outside air, and the heat absorbing / radiating layer 3 is laminated on the inner surface of the main body wall body 1 to form a three-layer structure.

The floor slab 4 constituting the floor portion of the skeleton wall F is formed in an inverted beam structure, and on the upper surface thereof, an inverted large beam 6 connecting the skeleton column 5 and an inverted small beam 7 connected therebetween are directed upward. It protrudes vertically and horizontally. The heat insulating layer 2 is laminated on the lower surface of the floor slab 4, and the heat absorbing / radiating wall 3 is laminated on the upper surface.

The side wall portion of the frame wall F, which partitions the adjacent housing space H, has a three-layer structure in which the heat absorbing and radiating walls 3 are laminated on both sides thereof.

The housing space H has a three-layer high airtightness and high heat insulation structure including a space under the floor 8, a space above the floor, that is, a living space 9 and a space above the ceiling 10.

A plurality of short bundles 11 and 12 are arranged on the inverted beam 6 and the inverted beam 7 at predetermined intervals.
On these bundles 11 and 12, a floor panel 1 composed of a radiation panel is provided.
3 is laid. The space under the floor 8 below the floor plate 13
However, a living space 9 is formed thereon. Living space 9
Are divided into a plurality of rooms by a partition panel 14 as described later in detail.

The upper floor slab, ie, the ceiling frame wall 18
A ceiling plate 19 composed of a heat absorbing and dissipating wall is stretched below the ceiling plate 19 at a predetermined interval.
0 is formed.

The underfloor space 8 and the under-ceiling space 10 are both airtight and highly heat-insulated air ducts.

A balcony 20 is provided on the outer surface on the south side of the frame wall F.
And a passage 21 is formed on the outer surface on the north side of the frame wall F.
Is overhanging. The floor slab 4 is an outer wall of the frame wall F
The tip 80a is directed upwards outside the inverted girder 6 connected to the minute Fa.
With an upright cantilevered balcony floor wall 80
And connected to the balcony floor wall 80 and the outer wall portion Fa.
The inverted beam 6 forms a balcony underfloor space 23 having an open top . Standing tip 80a of balcony floor wall 80
And the upper end of the inverted beam 6 connected to the outer wall portion Fa of the frame wall F
A balcony floor plate 22 substantially flush with the floor plate 13 is laid so as to straddle the space therebetween, and the balcony floor plate 22 closes the upper surface of the opening of the balcony underfloor space 23.
The balcony floorboard 22 has a balcony underfloor space 23.
Are provided with a plurality of vents 27 for communicating the air with the atmosphere.

The underfloor space 8 is provided with an air conditioner A. The air conditioner A includes a heat source 24, a forced ventilation fan 2
5 and a heat exchanger 26.

Next, their specific structures will be described mainly with reference to FIG. The heat source 24 is a hot water tank 28
And a cold water tank 31. The hot water tank 28 has a hot water circuit 30 connected to the entrance and exit thereof, and a heat radiating portion 29 formed by bending a pipe is provided in the middle of the hot water circuit 30.
The chilled water tank 31 is connected to a chilled water circuit 33 at an entrance and an outlet of the chilled water circuit 33, and a radiator 32 formed by bending a pipe is provided in the middle of the chilled water circuit 33.

If the hot water tank 28 and the cold water tank 31 are heated and cooled by using midnight power, the cost of the heat source can be reduced. In addition, as the heat source 24,
Use of a heat pump, a solar system, etc. is possible.

The hot and cold water tanks 28, 31;
The heat exchanger 26, the forced ventilation fan 25, and the heat radiating portions 29 and 32 are disposed with one inverted small beam 7 therebetween. In the air conditioning case 34 provided in the underfloor space 8, the heat exchanger 26, the forced ventilation fan 25, and the heat radiating units 29, 3 are arranged in order from the downstream side to the upstream side along the flow direction of the conditioned air.
2 are accommodated. The heat exchanger 26 includes an air conditioning case 34
A heat exchange element 37 is housed in a heat exchange chamber 36 in the inside. The forced-ventilation fan 25 is an electric centrifugal fan, and its discharge side is provided with the heat radiating portions 29 and 32 of the heat source 24.
Is to face.

The heat radiating portions 29 and 32 of the air conditioning case 34
Forward than the outlet passages 35 are connected, outlet 35 ₁ of the outlet passage 35 is open to the underfloor space 8.

Moreover the air-conditioning case 34, an air filter 43 _1, 43 ₂ replacement air intake 40 and exhaust outlet 42 via the rear of the end wall than the heat exchange element 37 is in parallel is open, fresh air A fresh air introduction duct 47 is connected to the intake 40, and an exhaust discharge duct 48 is connected to the exhaust outlet 42. The fresh air introduction duct 47 and the exhaust discharge duct 48 are configured as a pair duct, that is, are arranged side by side with a heat exchange panel 50 interposed in a collecting duct 49 made of a heat insulating material. The heat exchange between the fresh air and the exhaust gas flowing through the heat exchange panel 50 is performed efficiently through the heat exchange panel 50.

As shown in FIG. 1 and FIG.
Numeral 9 passes through the inverted girder 6 and the inverted beam 7 of the underfloor space 8 and reaches the balcony underfloor space 23 , of which the exhaust discharge duct 48 directly opens into the balcony underfloor space 23.
Has been, is communicated with the atmosphere through the vent port 27, which opened on the balcony floor 22, on the other hand, the fresh air inlet duct 47
Is provided with an air purifier 51 provided in the balcony underfloor space 23, and further with an upstanding tip 80 of the balcony floor wall 80.
a and is opened to the outside.

The forced ventilation fan 25 of the air conditioning case 34
Between the fresh air inlet 40 and the exhaust outlet 42,
The exhaust gas recovery port 41 is opened, and the exhaust gas recovery port 41 communicates with an exhaust gas recovery duct 54. This exhaust recovery duct 54
Extends vertically through the middle part of the living space 9 through the floor plate 13 and penetrates through the ceiling plate 19 to open to the space 10 above the ceiling.

Note that a plurality of exhaust recovery ducts 54 may be arranged in parallel.

The floor plate 13 is provided with a plurality of lower ventilation ports 44 for communicating the underfloor space 8 and the living space 9, which can be opened and closed by opening and closing members such as louvers. Is provided for each room.

The ceiling plate 19 is also provided with a plurality of lower ventilation ports 46 for communicating the living space 9 and the space above the ceiling 10, and these can be opened and closed by opening and closing members such as louvers. It is provided for each room in the living space 9.

The living space 9 is divided into a plurality of rooms, ie, a living room 15, a bedroom 16, a sanitary 17, and the like. In the living room 15, kotatsu 60,
The lower half is immersed in the underfloor space 8, and is provided.
In the lower half thereof, a ventilation opening 61 communicating with the underfloor space 8 is opened. Lower and upper ventilation ports 62 and 63 communicating with the lower ventilation port 44 and the upper ventilation port 46, respectively, are opened in the lower wall and the upper wall of the bathroom 17b. The changing room 17
c, the lower inlet 65 communicates with the underfloor space 8, the upper openable / closable outlet 66 communicates with the air duct 64 and the lower inlet 68 opened into the dressing room 17c, and the upper openable / closable upper space. A drying chamber 67 having an outlet 69 opened in the dressing room 17c is provided.

The lower ventilation opening 44 opened in the floor plate 13 of the toilet 17t is opened in the vicinity of the toilet 70. In the kitchen 17k, a lower entrance 72 communicates with the underfloor space 8, and an upper exit 73. Is provided in the kitchen 17k.

Next, the operation of this embodiment will be described.

[0031] Winter air-conditioning mode As shown by a white arrow in FIG. 3, when the hot water in the hot water tank 28 of the heat source 24 is circulated to the hot water circuit 30 and the forced ventilation fan 25 is operated, as shown by a solid arrow in FIG. After the outside air is purified through the air purifier 51, it passes through the fresh air introduction duct 47 and is guided from the fresh air inlet 40 to the heat exchange chamber 36 in the air conditioning case 34. At this time, since the fresh air introduction duct 47 is arranged in parallel with the exhaust discharge duct 48 via the heat exchange panel 50, the heat exchange between the cold outside air and the warm exhaust flowing through the exhaust discharge duct 48 is efficient. It is performed and is temporarily heated using exhaust heat. In the heat exchange chamber 36, fresh air is supplied to the air filter 43.
After being purified again by ₁ , it passes through the heat exchange element 37, where the heat is secondarily exchanged with the exhaust gas, and is heated by the exhaust heat. One by the heat exchange with the exhaust, the fresh air warmed secondarily sucked by forced ventilation fan 25 is heated by the heat radiating portion 29, it is blown under the floor space 8 from the air outlet 35 ₁ becomes warm.

As shown by the arrows in FIG. 4, the clean and warm air flowing through the underfloor space 8 is supplied to a plurality of lower ventilation holes 4 formed in the floor plate 13.
It flows to each room of the living space 9 through 4. This clean and warm air uniformly heats the interior of the living space 9 over the entire area, and the living space 9 is provided with a well-ventilated and appropriate-temperature living space.

By the way, a part of the warm air flowing through the underfloor space 8 passes through the kotatsu 60 through the vent 61, and the kotatsu 60 can be supplementarily warmed and its ventilation can be performed. Part of the warm air can flow through the bathroom 17b through the lower and upper ventilation holes 62 and 63 to perform forced ventilation in the chamber 17b, and part of the warm air passes through the air duct 64 and the changing room. 17c, it can be used as a dryer, and a part of the warm air can be circulated in the drying chamber 67 and used as dry air. In the toilet 17t, the warm air is forcibly circulated and the forced ventilation is performed. In the kitchen 17k, a part of the warm air can be circulated in the dish dryer 71 and used as the dry air.

The warm-air heat in the underfloor space 8 is transmitted to the living space 9 as radiant heat through the floor plate 13 composed of a radiant panel, and the floor 9 in the space 9 is also efficiently heated.

The warm air that has heated the living space 9 is
After passing through the plurality of upper ventilation ports 46 opened to the ceiling, the air flows into the space behind the ceiling 10 to the central portion thereof, and the ceiling plate 19 formed of a heat absorbing / radiating panel receives the exhaust heat to keep the temperature.

The exhaust gas flowing in the space 10 above the ceiling passes through the exhaust collection duct 54 to the air conditioner A in the underfloor space 8, passes through the heat exchange element 37 of the heat exchanger 26, and exchanges heat with the cold outside air. to exchange, after warmed the outside air through the air filter 43 _2, flows through the exhaust discharge duct 48 balcony underfloor space 23 is discharged therefrom to the outside air. At this time, the balcony underfloor space 23 is not affected by the outside wind, so that the exhaust discharge resistance can be reduced.

By the way, since the exhaust discharge duct 48 is arranged in parallel with the fresh air introduction duct 47 via the heat exchange panel 50, the exhaust flowing through the exhaust discharge duct 48 passes through the fresh air introduction duct 47 as described above. Heat is exchanged with the flowing cold outside air through the heat exchange panel 50, and the exhaust heat of the exhaust is efficiently transmitted to the fresh air flowing through the fresh air introduction duct 47, and the fresh air can be heated by the residual heat of the exhaust. it can.

The frame wall F is provided with a heat insulating wall 2 on the outer surface of the frame wall body 1 facing the outside air, and a heat absorbing / radiating wall 3 on its inner surface.
Are laminated to form a heat storage body.
Since the whole is configured in an airtight structure, while warm air circulates in the underfloor space 8, the living space 9 and the space above the ceiling 10, the warm air heat is stored in the frame wall F, and the heat is transferred to the outside air. Dissipation is reduced as much as possible. For example, especially at night when the outside air is at a low temperature, it is possible to keep the house space H at an appropriate temperature over the entire area by radiating heat from the heat storage body.

[0039] Air conditioning mode in summer As shown by a dotted arrow in FIG.
By circulating the hot water in the chilled water circuit 33 and operating the forced ventilation fan 25, the cold outside air is purified through the air purifier 51 as shown by the solid arrow in FIG. Through the fresh air intake 40 to the heat exchange chamber 36 in the air conditioning case 34. At this time, since the fresh air introduction duct 47 is arranged in parallel with the exhaust discharge duct 48 via the heat exchange panel 50, the heat exchange between the high temperature outside air and the cold exhaust flowing through the exhaust discharge duct 48 is efficient. The cooling is performed temporarily using the exhaust heat. In the heat exchange chamber 36, the fresh air is air filter 43 ₁
After passing through the heat exchange element 37 again, the heat is secondarily exchanged with the exhaust gas and cooled by the exhaust heat. Fresh air that has been cooled primarily or secondarily by heat exchange with the exhaust air is sucked by the forced ventilation fan 25,
Cooled by 2, it is blown under the floor space 8 from the air outlet 35 ₁ becomes cold.

As shown by the arrows in FIG. 5, the clean and cool air flowing through the underfloor space 8 is provided with a plurality of lower ventilation holes 4 formed in the floor plate 13.
It flows to each room of the living space 9 through 4. The clean and cool air is uniformly cooled in the living space 9 over the entire area, and the living space 9 is provided with a well-ventilated and appropriate-temperature living space.

In the summer, the cool air flowing through the underfloor space 8 can be used as a forced ventilation flow in the bathroom 17b, the changing room 17c, the toilet 17t, the kitchen 17k, and the like.
The cool air can be blown out from the air duct 64 and used as a cooler.

The cool air that has cooled the living space 9 is exhausted, flows through the exhaust recovery duct 54 to the air conditioner A in the underfloor space 8, passes through the heat exchange element 37 of the heat exchanger 26, and passes through the high-temperature outside air. exchanges heat with the, after cooled the ambient air, through the air filter 43 _2, flows through the exhaust discharge duct 48 balcony underfloor space 23 is discharged therefrom to the outside air. At this time, the balcony underfloor space 23 is not affected by the outside wind, so that the exhaust discharge resistance can be reduced.

By the way, since the exhaust discharge duct 48 is provided in parallel with the fresh air introduction duct 47 via the heat exchange panel 50, the still cool exhaust flowing through the exhaust discharge duct 48 is supplied with the fresh air as described above. Heat is exchanged with the high-temperature outside air flowing through the duct 47 through the heat exchange panel 50, and the exhaust heat of the exhaust is efficiently transmitted to the fresh air flowing through the fresh air introduction duct 47, and the fresh air is converted into the residual heat of the exhaust. Can be cooled.

Next, a second embodiment of the present invention will be described.

FIG. 6 is a longitudinal sectional view of a residential space showing a second embodiment of the present invention. The same members as those in the first embodiment are denoted by the same reference numerals. In this embodiment, particularly, high humidity, high temperature or polluted exhaust gas that has passed through some rooms and equipment can be separately discharged to the outside air through a return passage 75 specially provided in the housing space. The main passage 76 is laid in the underfloor space 8 along the north-south direction, and an end of the main passage 76 penetrates through the skeleton wall on the side of the passage 21 and is open to the outside air. A plurality of branch passages 77 ₁ erected branched from the main passage 76, 77 _2, 77 _3, and 77 ₄
Are connected to the outlets of the bathroom 17b, the drying room 67, the toilet 17t and the kitchen 17k, respectively, and the high humidity, high temperature or polluted exhaust gas passing through them is discharged outside through the return passage 75. Although not shown, the return passage 7
It is preferable that the exhaust gas discharged to the outside through 5 is discharged to the outside air after being cleaned by an air purifier.

Although the embodiment of the present invention has been described above, the present invention is not limited to the embodiment, and various embodiments are possible within the scope of the present invention. For example, in the above embodiment, the case where the present invention is applied to a single housing space of an apartment house has been described. However, the present invention may be applied to a detached house, and the heat source, forced ventilation fan and heat exchanger are conventionally known. The use of others is possible. In the above embodiment,
The air-conditioning air is circulated in the house space by one forced-ventilation fan. However, if another fan is provided in each of the fresh air introduction duct and the exhaust duct, the air-conditioning air circulation will be more powerful and It can be done smoothly.

[0047]

As described above, according to the first feature of the present invention, in the adiabatic collecting duct, the outside air flowing through the fresh air introduction duct and the exhaust air flowing through the exhaust discharge duct are subjected to heat exchange via the heat exchange panel. The fresh air is effectively warmed or cooled by the exhaust heat so that the heat efficiency of the air conditioner as a whole is greatly increased, and the dissipation of heat to the outside air is reduced as much as possible. Effective for environmental measures
is there. Also relatively large in the vertical direction corresponding to the height of the reverse beam
Air-conditioning system and an insulated assembly duct
(New air introduction duct and exhaust discharge duct)
And can be installed with great flexibility.

In particular, the heat-insulating collective duct is opposite to the space under the floor.
It reaches the space under the balcony through the beams and exhausts
The outlet duct opens directly into the space under the balcony,
Air intake duct penetrates the balcony floor wall and opens to the outside
Therefore, Barco is located on the outside of the reverse beam connected to the outer wall of the skeleton wall.
Relatively large bar formed by integrating the knee floor wall
The space under the floor of Lucony is evacuated from the exhaust exhaust duct.
Can be used in the meantime, and the exhaust air is
By releasing it into the balcony through the plate vent,
It guides the warm air in the room in winter and the cool air in the room in summer.
The temperature environment of Lucone can be improved.
Moreover, the exit of the exhaust discharge duct and the entrance of the fresh air introduction duct
The floor of the balcony floor with its tip rising and bent
The exhaust flow from the exhaust exhaust duct
And the fresh air flowing to the fresh air introduction duct should be kept as far as possible.
The exhaust outlet duct and the fresh air introduction duct
Dedicated flow to prevent short circuit between
There is no need to provide control means, contributing to simplified structure
be able to.

According to a second aspect of the present invention, a Barco
In the space below the knee floor, there is an air cleaner interposed in the fresh air introduction duct.
Since a purifier was installed, the space under the balcony floor was air-purified.
It can be effectively used as a storage space.

[Brief description of the drawings]

1 is a plan view of an apartment house equipped with the duct device of the present invention, taken along line 1-1 in FIG. 2;

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

FIG. 3 is an enlarged view, partially broken away, taken along line 3-3 in FIG. 2;

FIG. 4 is an operation diagram showing a flow of air-conditioning air in a winter mode.

FIG. 5 is an operation diagram showing a flow of air-conditioning air in a summer mode.

FIG. 6 is a longitudinal sectional view of a housing space showing a second embodiment of the present invention.

[Description of Signs] 4 ・ ・ ・ Floor slab 6 ・ ・ ・ Inverted large beam as inverted beam 7 ・ ・ ・ Inverted small beam as inverted beam 8 ・ ・ ・ Under floor space 9 ・ ・ ・ Living space 13 ・ ・ Floor plate 20 ・・ Balcony 22 ・ ・ Balcony floorboard 23 ・ ・ Balcony underfloor space 27 ・ ・ Vent 40 ・ ・ New air intake 42 ・ ・ Exhaust exhaust 47 ・ ・ New air introduction duct 48 ・ ・ Exhaust exhaust duct 50 ・ ・ Heat exchange panel 80 outer wall portion of the ... balcony floor wall 80a .. balcony floor wall of the front portion a · · · air conditioning system F · · · skeleton wall Fa ... skeleton wall

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masafumi Matsumoto 2-1-1-12, Akinohigashi, Oita City, Oita Prefecture (72) Inventor Takashi Ikuno 1782-5 Dairyu, Shoji-cho, Oita-gun, Oita Prefecture (56) Reference Document JP-A-4-103952 (JP, A) JP-A-3-257254 (JP, A) JP-A-2-41016 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F24F 1/00 431 F24F 3/044 E04F 15/00

Claims (2)

(57) [Claims] 1. A floor slur constituting a floor portion of a frame wall (F).
Upside-down beams (6, 7) are projected on the
A floor plate (13) is laid on the beams (6, 7), and the floor plate (1) is laid.
3) Underfloor space (8) below and living space above.
During (9) is formed, the air-conditioning apparatus for supplying wherein the underfloor space (8), conditioned air into the living space (9) (A)
And a balcony (20) outside the frame wall (F)
And a floor slab (4) is an outer wall portion of the skeleton wall (F).
Outside the inverted beam (6) connected to (Fa), a tip (80a)
Balcony floor wall (80) standing upright
The balcony floor wall (80) and the outside
The upper surface is opened by the inverted beam (6) connected to the wall portion (Fa).
A balcony (23) that forms a balcony underfloor space and closes the upper surface of the opening of the balcony underfloor space (23).
Rucony floor plate (22) is attached to the balcony floor wall (80).
Of the upstanding tip (80a) and the outer wall portion (Fa)
While laying over the upper end of the continuous inverted beam (6),
The balcony floor plate (22) is placed under the balcony floor.
A vent (27) for communicating the space (23) to the atmosphere is provided, and a fresh air intake (40) and exhaust exhaust of the air conditioner (A) are provided.
The fresh air introduction ducts (4
7) and an exhaust discharge duct (48) are arranged side by side with a heat exchange panel (50) interposed in a heat insulating collecting duct (49) . The heat insulating collecting duct (49) is provided in the underfloor space (8).
The balcony underfloor space (2
3), and the exhaust discharge duct (48) is
Connie opens directly into the underfloor space (23).
An introduction duct (47) penetrates the balcony floor wall (80).
With an inverted beam floor structure
Housing . 2. The underfloor space (23) of the balcony includes:
An air purifier (5) interposed in the fresh air introduction duct (47)
2. The method according to claim 1, wherein 1) is installed .
House with inverted beam floor structure .