JP2003254580A - Ventilation structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ventilation structure installable with a low cost, wherein only a specific room can be intensively ventilated without increasing an air conditioning load. <P>SOLUTION: This ventilation unit 10 for ventilation of a plurality of rooms in a building 1 is provided with: a ventilation unit body 11 installed in contact with a hall 1G; outside air introducing piping 12 for introducing the outside air, an outside air supply opening 13 for supplying the introduced air into the building; a blow-off port 16 opened at the hall 1G, an indoor air recovery opening 15 for recovering the air inside the building; a suction port 17 opened at a living room 1A; and indoor air exhaust piping 14 for exhausting the recovered indoor air to the outside. Each of the plurality of rooms is made to communicate to the hall 1G. Thus, since a duct from the ventilation unit body 11 to the blow-off port 16 is made short and duct piping to each of the rooms is omitted, installation costs of the ventilation unit 10 is reduced. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation structure for ventilating a plurality of rooms inside a building by a central ventilation system.

[0002]

BACKGROUND ART FIG. 8 is a schematic diagram of a building to which a conventional ventilation structure is applied, in which a plurality of rooms inside the building are ventilated by a central ventilation system (Japanese Patent Laid-Open No. 2000-
329395, FIG. 7). The central ventilation device 100 in the conventional ventilation structure is one in which one large ventilation unit main body 110 is installed on the ceiling portion of the first floor to ventilate all the rooms provided in the building. That is, the central ventilation device 100 includes the above-ceiling part of the first floor, that is, 2
One large ventilation unit body 110 installed in the underfloor part of the floor to forcibly form the flow of air, and a ventilation unit body 110 from the outside of the building to take in fresh air outside the building into the room. Outside air introducing pipe 12 communicating with
0, and the outside air supply pipes 130, 150, 140 for supplying the air introduced from the outside air introduction pipe 120 into the room of the building through the ventilation unit main body 110.

The outside air supply pipe is for the first floor outside air supply pipe 130 for supplying air to each room on the first floor, and the second outside air supply pipe 140 for supplying air to each room on the second floor.
And a vertical pipe 150 connecting the second-floor outdoor air supply pipe 140 and the first-floor outdoor air supply pipe 130. Further, the central ventilation device 100 communicates from the substantially center of the ceiling of the first floor toward the ventilation unit main body 110 in order to collect the air in the room to the ventilation unit main body 110.
The book includes an inside air recovery pipe 160 and an inside air exhaust pipe 170 that communicates between the outside and the ventilation unit main body 110 to exhaust the air recovered from the room by the inside air recovery pipe 160 to the outside.

According to the ventilation structure using such a central ventilation device 100, fresh air outdoors blows out into each room in the building, passes through each room, and is collected from approximately the center of the first floor of the building. Therefore, there is an effect that at least the air volume can be ventilated to every corner in each room.

[0005]

However, in the above-described conventional central ventilation device 100, the outside air supply pipes 130 and 140 for supplying outside air to each room and the pipes between the first floor and the second floor are connected. Vertical pipe 150 extending in the vertical direction for
Therefore, there is a problem that the installation cost of the pipe increases. Further, in the conventional ventilation structure, since there is only one inside air recovery pipe 160 for recovering the air supplied to each room, the ventilation volume of the entire building can be increased or decreased, but only a specific room is concentrated. It is not possible to ventilate into the room, especially if the ventilation volume is increased according to the room that requires ventilation, a large amount of conditioned air will be discharged, resulting in a large loss of heat energy and an increase in the air conditioning load. There is.

An object of the present invention is to provide a ventilation structure which can be installed at low cost and can centrally ventilate a specific room without increasing an air conditioning load.

[0007]

In order to achieve the above object, the ventilation structure of the present invention adopts the following constitution. When the present invention is described with reference to the drawings, the ventilation structure according to claim 1 is a ventilation structure for performing ventilation of a plurality of rooms by a ventilation unit 10 provided in a building 1, wherein the ventilation unit includes: A ventilation unit main body 11, an outside air introduction passage 12 for introducing outdoor air into the ventilation unit main body, a single outside air supply passage 13 for supplying the introduced outside air to the inside of the building, and this outside air supply passage An outside air supply port 16, a single inside air recovery passage 15 for collecting the air inside the building to the ventilation unit main body, and an inside air recovery port 17 connected to this inside air recovery passage 17.
And an inside air discharge path 14 for discharging the inside air collected in the ventilation unit body to the outside, the ventilation unit body is installed in contact with the common space 1G in the building, and the outside air supply port is The shared space is opened, the inside air recovery port is opened in a space 1A different from the shared space, the plurality of rooms can be communicated with the shared space, and at least one of the plurality of rooms. One is characterized by being provided with an individual discharge path 18 capable of discharging the inside air of the room to the outside.

The "outside air introduction passage, the outside air supply passage, the inside air recovery passage, and the inside air discharge passage" are not limited to those formed of a pipe having a predetermined length, and are formed of only an opening. Those not having are also included. Further, the term "single" means substantially a single meaning, and is not limited to one constituted by a single pipe over the entire length thereof. A room having a plurality of end openings and a room having a plurality of end openings are also included. In addition, with "common space",
In principle, it means a space communicating with a plurality of rooms, and examples thereof include a corridor, a hall, and stairs. In addition, "a space different from a common space" means a space divided into a predetermined size, which naturally includes living rooms, bedrooms, study rooms, living rooms such as kitchens, etc. Includes washrooms, toilets and storage rooms.

According to the present invention, the fresh air outdoors is
After being introduced into the ventilation unit body through the outside air introduction path,
The air is supplied from the outside air supply port to the inside of the building through a single outside air supply passage. The supplied outside air is supplied to each room communicating with the space where the outside air supply port is opened. On the other hand, part of the air inside the building is collected by the ventilation unit main body through a single inside air collecting passage, and the remaining inside air that is not collected is discharged outdoors through the individual discharging passage. Therefore, the outside air supply port communicates with each room, and the inside air of each room is exhausted individually by the individual exhaust passages, so that it is possible to ventilate every corner of each room, and each room and the ventilation unit main body. Since the duct piping between is not required, the installation cost of the ventilation unit can be reduced. Further, since the ventilation unit main body is installed in contact with the common space where the outside air supply port opens, the duct piping from the ventilation unit main body to the outside air supply port can be shortened, so that the installation cost of the ventilation unit can be further reduced. Further, by increasing the operation amount of the ventilation unit, the amount of discharge from the individual discharge passage of each room does not change, but the amount of outside air supply and the amount of discharge through the inside air recovery passage increase. Therefore, a large amount of the conditioned air in each room is not discharged, so that it is possible to intensively ventilate the space where the inside air recovery port is opened without suppressing the loss of heat energy and increasing the air conditioning load.

The ventilation structure according to a second aspect is the ventilation structure according to the first aspect, wherein the space in which the inside air recovery port 17 is opened is one room 1A selected from the plurality of rooms. , And is adjacent to the common space 1G. According to the present invention, 1 adjacent to the common space
By providing the inside air recovery port in one room, the ventilation unit main body and the inside air recovery port can be brought close to each other, and the duct piping between them can be shortened, so that the installation cost of the ventilation unit can be further reduced. In addition, since the inside air recovery port is installed in one room where ventilation is especially desired, moisture and odors generated in this room, cigarette smoke, cooking smoke, etc. can be quickly discharged, and condensation, fungus, and odors can be discharged. It is possible to prevent a stain from getting on and to easily create a comfortable living space.

The ventilation structure according to a third aspect is the ventilation structure according to the second aspect, wherein the ventilation unit main body 11 is provided.
Is installed in the ceiling space 21 of the common space 1G or the one room 1A, and the outside air supply passage 13 or the inside air recovery passage 15 is provided from the ventilation unit main body through the ceiling 22A immediately therebelow. It is characterized by being
According to the present invention, since the ventilation unit main body is housed in the ceiling, the ventilation unit main body is hidden behind the ceiling and cannot be seen from inside the room, so that the interior of the room can be improved. Also,
Since the outside air supply path or the inside air recovery path is provided from the ventilation unit main body through the ceiling directly below it, the length of the outside air supply path or the inside air recovery path can be shortened as compared with the case where they are formed by a duct or the like. The installation cost of the ventilation unit can be further reduced.

A ventilation structure according to a fourth aspect is the ventilation structure according to the second or third aspect, wherein the ventilation unit main body 11 is close to a wall 23 that divides the common space 1G and the one room 1A. The outside air supply passage 13 or the inside air recovery passage 15 is provided so as to penetrate the wall from the ventilation unit main body. According to the present invention, the ventilation unit main body is installed in the vicinity of the wall that separates the common space and one room, and the outside air supply passage or the inside air recovery passage is provided through the wall, so that they are installed in ducts or the like. Since the length of the outside air supply path or the inside air recovery path can be shortened as compared with the case of the above, the installation cost of the ventilation unit can be further reduced.

A ventilation structure according to a fifth aspect is the ventilation structure according to any of the second to fourth aspects, wherein the common space is a hall 1G. According to the present invention, by providing the outside air supply port connected to the outside air supply passage in the hall, the supplied outside air easily flows into each room communicating with the hall, so that each room can be surely ventilated and the ventilation unit The operating efficiency of can be improved.

A ventilation structure according to a sixth aspect is the ventilation structure according to any of the second to fifth aspects, wherein the one room is a living room 1A.
According to this invention, by providing the inside air recovery port in the living room, when a large number of people gather in the living room, if the operating amount of the ventilation unit is increased, the amount of discharge through the inside air recovery path can be increased. As a result, it is possible to quickly expel people's breath and cigarette smoke, etc., and to realize a comfortable living space.

A ventilation structure according to a seventh aspect is the ventilation structure according to any one of the first to sixth aspects, wherein the ventilation unit main body 11 includes the inside air collected through the inside air collecting passage 15 and the outside air introducing passage. It is characterized by having a heat exchange function 19 for exchanging heat with the outside air introduced through 12. Here, "heat exchange" means only total heat exchange type or sensible heat that simultaneously exchanges sensible heat and latent heat without directly mixing the air discharged to the outside with the air supplied to the inside of the building. Sensible heat exchange type for exchanging. Note that sensible heat means heat that is consumed only by temperature change without accompanying phase change or chemical change, and latent heat is mainly consumed when water in the air changes phase without changing temperature. It means a fever.

According to the present invention, the inside air collected in the ventilation unit main body exchanges heat with the outside air introduced through the outside air introduction passage in the inside of the ventilation unit main body, and is then discharged outdoors. For example, in a state where the inside of the building is heated, the warm inside air recovered from the inside of the building is absorbed by heat exchange, and the absorbed heat is added to the cold outside air introduced from outside. As a result, the outside air whose temperature has been raised is supplied to the inside of the building from the outside. On the other hand, in a state where the inside of the building is cooled, the warm outside air introduced from the outside absorbs heat by heat exchange, and the absorbed heat is added to the cold inside air recovered from the inside of the building. As a result, the outside air whose temperature is lowered is supplied to the inside of the building from the outside. Therefore, by exchanging heat between the inside air collected in the ventilation unit main body through the inside air recovery passage and the outside air introduced through the outside air introduction passage, the outside air adjusted to an appropriate temperature can be supplied into the building. , A comfortable living space can be realized.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. 1 to 4 show a ventilation structure according to a first embodiment of the present invention, and FIGS.
The ventilation structure according to the second embodiment of the present invention is shown in FIG. 1. In each embodiment, the same components are designated by the same reference numerals, and the description thereof will be omitted or simplified.

[First Embodiment] FIG. 1 shows a sectional view of a detached house 1 as a building to which the ventilation structure according to the first embodiment is applied. The house 1 is a two-story highly insulated / airtight house having excellent heat insulation and airtightness, and includes a ventilation unit 10 that ventilates a plurality of rooms on the first and second floors of the house 1. The ventilation unit 10
The ventilation unit main body 11 is installed in the attic 21 of the hall 1G on the first floor, and the tubular pipes 12 and 14 are provided in the attic 21 on the first floor and communicate with the outside or the inside of the building.

The piping of the ventilation unit 10 extends from the outside of the house 1 to the ventilation unit body 11 in order to introduce the air (outside air) outside the house 1 into the building, and connects the outdoor space with the ventilation unit body 11. In order to discharge the air (inside air) inside the house 1 to the outside of the building, the outside air introducing pipe 12 serving as an outside air introducing passage is extended from the ventilation unit main body 11 to the outside of the house 1 to form the ventilation unit main body 11 and the outdoor space. And an inside air discharge pipe 14 serving as an inside air discharge path communicating with each other.

The ceiling 22A of the hall 1G in which the ventilation unit main body 11 is installed is lowered from the ceiling of the adjacent living room 1A, and the outside air supply opening 13 is provided immediately below the ventilation unit main body 11. This outside air supply opening 1
Reference numeral 3 is an outside air supply path that connects the ventilation unit main body 11 provided through the ceiling 22A from the ventilation unit main body 11 to the hole 1G as a common space. A blowout port 16 as an outside air supply port is formed on the hole 1G side of the outside air supply opening 13. Further, the ventilation unit main body 11 is arranged in proximity to a wall 23 that separates the hall 1G from the living room 1A, and the inside air recovery opening 15 is provided in this wall 23. This inside air recovery opening 15
Is an inside air recovery path that connects the ventilation unit main body 11 and the living room 1A, and a suction port 17 as an inside air recovery port is provided on the living room 1A side of the inside air recovery opening 15.
Are formed. Further, a plurality of rooms are provided on the first floor and the second floor, and these rooms can communicate with the hall 1G in which the outlet 16 is provided, respectively, and
An exhaust fan 18 is provided as an individual discharge path for discharging the inside air of each room to the outside.

FIG. 2 shows a plan view of the first floor of the house 1. On the first floor, a living room 1A is provided on the lower side in the figure, a kitchen 1B is provided on the upper left side of the living room 1A in the figure, and a doorway 1C is provided on the upper right side of the living room 1A in the figure. And the entrance 1C
A toilet 1D and a bathroom 1E are provided in the upper part of FIG. A toilet 1F is located between the kitchen 1B and the bathroom 1E.
Is provided, and a corridor 1J extending from the toilet 1F toward the hall 1G is provided. A staircase 1H on the first floor is provided between the corridor 1J and the kitchen 1B.

Here, the kitchen 1B, the entrance 1C, the washroom 1D, the first-floor staircase 1H, and the corridor 1J are connected to a hall 1G provided with an outlet 16. Also,
The living room 1A and the toilet 1F are communicated with the hall 1G through the vent holes provided at the upper and lower portions of the door of the entrance and exit, respectively. The bathroom 1E is provided with a vent provided at the upper part or the lower part of the door of the doorway,
It is connected to the washroom 1D. In addition, the ventilation unit 10
Including the living room 1A provided with the intake port 17 of the kitchen 1B, the bathroom 1E, and the toilet 1F, an exhaust fan 18 is provided so as to be located as far as possible from the openings or doors communicating with the hall 1G. It is provided.

FIG. 3 shows a plan view of the second floor of the house 1. On the second floor, two sub bedrooms 2A and 2B are provided side by side on the lower left and right sides in the figure. Second bedroom 2A, 2
Closets 2C and 2D are provided on the upper portion of B in the figure. The master bedroom 2E is located above the closet 2D in the figure.
Is provided. A walk-in closet 2F is provided on the upper left side of the master bedroom 2E in the figure. In the lower part of the walk-in closet 2F,
A storage unit 2G is provided, and a toilet 2H is provided between the storage unit 2G and the closet 2C of the sub bedroom 2A.
A staircase 2I on the second floor is provided between the room and the main bedroom 2E.

Here, the second floor stair room 2I is the first floor stair room 1
The sub-bedrooms 2A and 2B, the closets 2C and 2D, the master bedroom 2E, the walk-in closet 2F, the storage room 2G, and the toilet 2H are communicated with H, and the vents are provided above or below the door of the entrance / exit. Through
It is connected to the 2nd floor stair room 2I. The storage door 2G and the toilet 2H are provided with exhaust fans 18 as individual discharge paths so as to be located as far as possible from the openings or doors leading to the second floor staircase 2I. An exhaust fan 18 is also provided in each of the closets 2C and 2D and the walk-in closet 2F.

FIG. 4 shows a sectional view of the ventilation unit main body 11. Inside the ventilation unit body 11, two blowers (not shown) and a total heat exchanger 19 are provided. The blower consists of an electric motor and a large number of blades that rotate with this electric motor, and uses the forced flow of air generated by the rotating blades to forcibly move the air inside the piping. is there. That is, it is possible to forcibly move the outside air introduced from the outside air introduction pipe 12 toward the outside air supply opening 13 or the inside air collected from the suction port 17 toward the inside air discharge pipe 14. Specifically, although not particularly shown, a turbo fan that uses the centrifugal force of the gas to pump the gas as the impeller rotates, and a casing that forms a flow passage from the turbo fan are provided. It is a thing. Note that one of the two blowers is a blower for introducing outside air to introduce outside air into the building, and the other is a blower for discharging inside air to discharge outside air to the outside.

A plurality of outlets 16 for supplying the outside air introduced from the outside air introducing pipe 12 to the inside of the room are provided below the hollow cylindrical member inserted inside the outside air supply opening 13 provided in the ceiling 22A of the hall 1G. It is configured with the fins attached. Further, the suction port 17 that opens in the living room 1A and collects the inside air is provided with a mesh filter (not shown) inside the hollow cylindrical member that is inserted inside the inside air recovery opening 15 provided in the wall 23. It is configured.

A shutter device 30 capable of adjusting the amount of discharged inside air is installed at the suction port 17, and the suction port 17 is provided with a cover member 31 having a slit-like opening inside the room. Inside the cover member 31, a slit member 32 having the same shape as the slit-shaped opening of the cover member 31 and slidable up and down (indicated by a double arrow in FIG. 4) is installed. In addition to the cover member 31 and the slit member 32, the shutter device 3 includes a slide motor, a control circuit, a sensor, etc., which are not shown.
0 is configured. In this shutter device 30, by sliding the slit member 32 as necessary, the suction port 17 can be opened to a predetermined opening from the fully open state to the fully closed state by adjusting the amount of the inside air to be sucked. The amount of the inside air sent to the inside air discharge pipe 14 is adjusted.

In the total heat exchanger 19, the inside air recovered from the suction port 17 and discharged to the outside through the inside air discharge pipe 14 and the outside air introduction pipe 12 and the blowout port 16 are introduced.
The heat is exchanged with the outside air supplied from the to the hole 1G. Specifically, it has a structure in which a large number of straw-shaped ultra-thin cylindrical tubes made of metal or resin having a high thermal conductivity are arranged. Either the inside air discharged to the outside or the outside air supplied to the inside of the house 1 is passed through the inside of the straw-shaped cylindrical pipe, and the other is passed around the cylindrical pipe to be discharged outside. Shyness and housing 1
Of the outside air supplied to the inside, the heat of the higher temperature will be transferred to the lower temperature through the thin-walled cylindrical tube,
Heat exchange takes place. The method of total heat exchange is not limited to the above-mentioned structure, and may be any other structure as long as it has a heat exchange function.

Next, the ventilation unit 10 according to the present embodiment.
The operation of will be described. When the two blowers built in the ventilation unit body 11 of the ventilation unit 10 are driven, fresh outside air is introduced into the ventilation unit body 11 through the outside air introduction pipe 12, and then from the outlet 16 through the outside air supply opening 13. It is supplied to Hall 1G inside the building. The supplied outside air is supplied to each room on the first floor, which communicates with the hall 1G, and each room on the second floor, which communicates with the hall 1G via the second-stage staircase room 2I and the first-stage staircase room 1H (Fig. 1 to 4 indicated by black arrows). In each room, the already existing inside air and the supplied outside air are mixed, and a part of the inside air is passed through the exhaust fan 18 provided in each room or through the storage space such as the closet 2C, 2D, 2F, Exhaust fan 18 provided in these storage spaces
Through the air (shown by black arrows in FIGS. 1 to 3).

On the other hand, a part of the inside air not exhausted by the exhaust fan 18 is sucked in from the suction port 17 and the inside air recovery opening 1
5 is collected in the ventilation unit main body 11 (see FIG. 1,
(Indicated by white arrows in FIGS. 2 and 4). At this time, if the opening degree of the suction port 17 is increased by the shutter device 30, the amount of the inside air discharged from the exhaust fan 18 of each room does not change so much, and the amount of the inside air collected from the suction port 17 increases. . That is, living room 1 compared to other rooms
Only the ventilation volume of A will increase.

House 1 collected in ventilation unit body 11
The inside air is heat-exchanged with the outside air introduced through the outside air introduction pipe 12 by the total heat exchanger 19 of the ventilation unit main body 11, and then discharged to the outside. That is, in the state where the inside of the house 1 is heated, the warm inside air collected from the suction port 17 absorbs heat by heat exchange, and the absorbed heat is added to the cold outside air introduced from outside. As a result, the outside air whose temperature has been raised is supplied to the inside of the house 1 from the outside. On the other hand, in the state where the inside of the house 1 is cooled, the warm outside air introduced from the outside absorbs heat by heat exchange, and this absorbed heat is added to the cold inside air collected from the suction port 17. As a result, the outside air whose temperature is lowered is supplied to the inside of the house 1 from the outside.

Therefore, according to the first embodiment, the following effects can be obtained. (1) The outside air supply opening 13 and the inside air recovery opening 15 are formed only by openings penetrating the ceiling 22A and the wall 23,
Further, since the hall 1G provided with the outlet 16 can communicate with each room without passing through a duct, a duct for supplying outside air to each room and a duct pipe for collecting inside air in each room are unnecessary. The installation cost of the ventilation unit 10 can be reduced.

(2) Increase the operating amount of the ventilation unit 10 or use the shutter device 30 to draw in the suction port 1
When the opening degree of 7 is increased, the exhaust amount of the inside air from the exhaust fan 18 of each room does not change so much, and the supply amount of the outside air and the exhaust amount of the inside air through the suction port 17 are increased, so that the air conditioning of each room is performed. Since a large amount of indoor air is not discharged, the loss of thermal energy is suppressed and the air conditioning load is not increased, and the living room 1A, which is the specific space where the suction port 17 is opened, can be intensively ventilated. Even if many people gather, it is possible to quickly discharge the exhaled breath and cigarette smoke and maintain a comfortable space.

(3) The fresh outside air supplied from the air outlet 16 flows into each room in the building, and then is sucked into the air intake 17 or the exhaust fan 18 and discharged, so that the air volume is at least at each room. Ventilation is possible throughout the interior. Further, since the exhaust fan 18 can discharge the inside air of each room individually, it is difficult for the air in each room to flow into the other rooms, so that the comfort of the living space can be improved.

(4) Inside air of the house 1 collected in the ventilation unit body 11 from the suction port 17 and outside air introduction pipe 12
By exchanging heat with the outside air introduced through the outside air, the outside air adjusted to an appropriate temperature can be supplied into the building, so that a comfortable living space can be realized.

(5) Since the air outlet 16 is provided in the hall 1G, by supplying air to the corridor 1J, this air can easily flow into each room communicating with the corridor 1J and can be ventilated. You can improve the operating efficiency,
You can easily create a comfortable living space.

(6) Install the ventilation unit 10 in the ceiling 21 on the first floor.
Since it is housed in the room, the ventilation unit 10 is hidden by the ceiling space 21 and cannot be seen from inside the room, so that the inside of the room can be improved.

[Second Embodiment] A ventilation structure according to a second embodiment of the present invention will be described. In the second embodiment,
Only the installation position of the ventilation unit main body 11 is different from the case of the first embodiment described above, and other configurations are the same as those of the first embodiment. 5 and 6 are a sectional view and a plan view of the first floor portion of a detached house 1 as a building to which the ventilation structure according to the second embodiment is applied, and FIG. A cross-sectional view is shown. The ventilation unit main body 11 is installed in a part of the living room 1A on the first floor, which is a ceiling ceiling 21 in which a ceiling 22A is lowered, and is adjacent to a wall 23 that separates the living room 1A from the hall 1G.

An external air supply opening 13 is provided in the wall 23 where the ventilation unit main body 11 is arranged in close proximity thereto, and the external air supply opening 13 and the ventilation unit main body 11 are provided through the wall 23. An outside air supply path communicating with 1G is formed, and a blowout port 16 as an outside air supply port is formed on the hole 1G side of the outside air supply opening 13. The blowout port 16 is configured by attaching a plurality of fins inside a hollow cylindrical member that is inserted inside the outside air supply opening 13 provided in the wall 23.

An internal air recovery opening 15 is provided immediately below the ventilation unit body 11. This inside air recovery opening 1
The reference numeral 5 designates a ventilation unit main body 11 and a living room 1A which are provided by penetrating the ceiling 22A from the ventilation unit main body 11.
It is considered as an internal air recovery path that communicates with. Inside air recovery opening 1
The inside of the room of No. 5 has a suction port 17 as an inside air recovery port
Are formed. A shutter device 30 similar to that in the case of the above-described first embodiment is installed at the suction port 17, and the suction port 17 has a slit-like shape downward inside the inside air recovery opening 15 provided on the ceiling 22A. A cover member 31 having an opening and a slit member 32 which is slidable left and right (indicated by a double arrow in FIG. 7) inside the cover member 31 are provided.

Ventilation unit 1 according to the above second embodiment
The operation of 0 is the same as in the case of the first embodiment described above, and according to the second embodiment, the same effect as the effect of the first embodiment described above can be obtained.

The present invention is not limited to the above-described embodiments, but includes modifications and improvements as long as the object of the present invention can be achieved. For example,
In each of the above-described embodiments, the building is the two-story house 1, but the present invention is not limited to this, and the building may have three or more floors, and is not limited to a house and is constructed for an office or a store. It may be a closed building.

Further, in each of the above-mentioned embodiments, two blowers are provided in the ventilation unit main body 11, but not limited to this, one blower may be provided, or three or more blowers are provided. The ventilation unit body 11 may be provided, and the specific configuration of the ventilation unit body 11 can be appropriately selected for implementation.

Further, in each of the above-described embodiments, the outlet 16 is provided in the hall 1G. However, the present invention is not limited to this, and the outlet 16 is provided in the staircase 1H on the first floor, the living room 1A, the corridor 1J, etc. It may be provided in a room adjacent to the space, for example, a toilet 1F, a washroom 1D, a kitchen 1B, a bathroom 1E, or the like.

Further, in this embodiment, the shutter device 30 is installed in the ventilation unit main body 11 so that the amount of discharged inside air can be adjusted. However, the present invention is not limited to this, and one of the inside air collected from the inside air recovery port 17 can be adjusted. A branch passage or the like for circulating the inside portion from the outside air supply port 16 to the inside again is provided, and the inside diameter of the pipe is changed to the inside air discharge pipe 14 or the like, or a circulation device capable of adjusting the circulation flow rate of the inside air by controlling the branch valve or the like. Therefore, a resistance device or the like may be installed which can change the flow resistance of the inside air passing through the pipe to adjust the amount of the inside air discharged. By installing such a device, it is possible to suppress the loss of thermal energy and reduce the air conditioning load.

Further, the operation of the ventilation unit 10 and the exhaust fan 18 may be manually adjusted, or may be provided with an automatic control function for automatic adjustment. Further, the ventilation unit 10 of each of the above-described embodiments has not only a ventilation function but also a cooling function, a heating function, an air adjusting function, a deodorizing / deodorizing function, a fragrance air conditioning function, a dustproof / pollenproof function, and the like. It may be.

[0047]

According to the ventilation structure of the present invention, the following effects can be obtained. According to the ventilation structure of claim 1,
Since the outside air supply port communicates with each room and the inside air of each room is exhausted individually by individual exhaust passages, it is possible to ventilate every corner of each room and between each room and the ventilation unit body. Since the duct of is not required, the installation cost of the ventilation unit can be reduced. Further, since the ventilation unit main body is installed in contact with the common space where the outside air supply port opens, the duct piping from the ventilation unit main body to the outside air supply port can be shortened, so that the installation cost of the ventilation unit can be further reduced. Furthermore, by increasing the operating amount of the ventilation unit, the amount of emissions from the individual discharge paths in each room does not change,
The amount of outside air supplied and the amount of discharge through the inside air recovery channel increase. Therefore, a large amount of the conditioned air in each room is not discharged, so that it is possible to intensively ventilate the space where the inside air recovery port is opened without suppressing the loss of heat energy and increasing the air conditioning load.

According to the ventilation structure of the second aspect, by providing the inside air recovery port in one room adjacent to the common space, the ventilation unit main body and the inside air recovery port can be brought close to each other, and the duct between them can be provided. Since the piping can be shortened, the installation cost of the ventilation unit can be further reduced. In addition, since the inside air recovery port is installed in one room where ventilation is especially desired, moisture and odors generated in this room, cigarette smoke, cooking smoke, etc. can be quickly discharged, and condensation, fungus, and odors can be discharged. It is possible to prevent a stain from getting on and to easily create a comfortable living space.

According to the ventilation structure of the third aspect, since the ventilation unit main body is housed in the ceiling above the ceiling, the ventilation unit main body is hidden behind the ceiling and cannot be seen from inside the room, so that the inside of the room can be improved. . Further, since the outside air supply path or the inside air recovery path is provided from the ventilation unit main body through the ceiling directly below it, compared to the case where they are formed by ducts, etc.
Since the length of the outside air supply path or the inside air recovery path can be shortened,
The installation cost of the ventilation unit can be further reduced.

According to the ventilation structure of the fourth aspect, the ventilation unit main body is installed in proximity to the wall separating the common space and one room, and the outside air supply passage or the inside air recovery passage is provided through the wall. As a result, the length of the outside air supply path or the inside air recovery path can be shortened as compared with the case where they are formed by a duct or the like, so that the installation cost of the ventilation unit can be further reduced.

According to the ventilation structure of claim 5, since the outside air supply port connected to the outside air supply passage is provided in the hall, the supplied outside air easily flows into each room communicating with the hall. Each room can be ventilated reliably and the operating efficiency of the ventilation unit can be improved.

According to the ventilation structure of the sixth aspect, since the inside air recovery port is provided in the living room, when the operation amount of the ventilation unit is increased when many people gather in the living room, the inside air recovery path is increased. Since it is possible to increase the amount of emissions through, it is possible to quickly expel human exhaled air, cigarette smoke, etc., and realize a comfortable living space.

According to the ventilation structure of claim 7, the inside air collected in the ventilation unit main body through the inside air collecting passage,
By exchanging heat with the outside air introduced through the outside air introduction path, it is possible to supply the air whose temperature is adjusted to an appropriate temperature to the inside of the building, so that a comfortable living space can be realized and the inside air that has been air-conditioned can be used outdoors. It is possible to suppress the loss of thermal energy due to the discharge to the.

[Brief description of drawings]

FIG. 1 is a sectional view showing a building to which a ventilation structure according to a first exemplary embodiment of the present invention is applied.

FIG. 2 is a plan view of a first floor portion of the building according to the embodiment.

FIG. 3 is a plan view of a second floor portion of the building according to the embodiment.

FIG. 4 is a cross-sectional view of the ventilation unit body according to the embodiment.

FIG. 5 is a sectional view showing a building to which a ventilation structure according to a second exemplary embodiment of the present invention is applied.

FIG. 6 is a plan view of the first floor portion of the building according to the embodiment.

FIG. 7 is a cross-sectional view of the ventilation unit body according to the embodiment.

FIG. 8 is a schematic diagram showing a building to which a central ventilation device according to a conventional example is applied.

[Explanation of symbols]

1 house (building) 1A Living room (1 room) 1G Hall (shared space) 10 Ventilation unit 11 Ventilation unit body 12 Outside air introduction pipe (outside air introduction path) 13 Outside air supply opening (outside air supply path) 14 Inside air exhaust pipe (inside air exhaust path) 15 Inside air recovery opening (inside air recovery path) 16 Blow-out port (outside air supply port) 17 Suction port (inside air recovery port) 18 Exhaust fan (individual discharge path) 19 Total heat exchanger (heat exchange function) 21 above the ceiling 22A ceiling 23 walls

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Norikazu Sakai             2-4-5 Takaido Higashi, Suginami-ku, Tokyo             Sawa Home Co., Ltd. (72) Inventor Masato Iijima             2-4-5 Takaido Higashi, Suginami-ku, Tokyo             Sawa Home Co., Ltd. (72) Inventor Hiroyuki Umeda             2-4-5 Takaido Higashi, Suginami-ku, Tokyo             Sawa Home Co., Ltd. (72) Inventor Akira Okuyama             2-4-5 Takaido Higashi, Suginami-ku, Tokyo             Sawa Home Co., Ltd. (72) Inventor Hirohisa Tokunari             2-4-5 Takaido Higashi, Suginami-ku, Tokyo             Sawa Home Co., Ltd.

Claims (7)

[Claims] 1. A ventilation structure for ventilating a plurality of rooms with a ventilation unit provided in a building, wherein the ventilation unit includes a ventilation unit main body and an outside air introduction unit for introducing outdoor air into the ventilation unit main body. A passage and a single outside air supply passage for supplying the introduced outside air to the inside of the building,
An outside air supply port connected to the outside air supply passage, a single inside air recovery passage for collecting air inside the building to the ventilation unit main body, an inside air recovery opening connected to the inside air recovery passage, and the ventilation unit main body. And an inside air discharge path for discharging the inside air collected to the outside, the ventilation unit main body is installed in contact with a shared space in the building, the outside air supply port is opened in the shared space, The inside air recovery port is opened in a space different from the common space, each of the plurality of rooms can communicate with the common space, and at least one of the plurality of rooms has the inside air outside the room. Ventilation structure characterized by being equipped with individual discharge paths that can be discharged to. 2. The ventilation structure according to claim 1, wherein the space where the inside air recovery port is opened is one room selected from the plurality of rooms and is adjacent to the common space. Ventilation structure characterized by. 3. The ventilation structure according to claim 2, wherein the ventilation unit main body is installed in a ceiling of the shared space or the one room, and the outside air supply passage or the inside air recovery passage is the ventilation unit. A ventilation structure characterized in that it is provided from the main body through the ceiling directly below it. 4. The ventilation structure according to claim 2 or 3, wherein the ventilation unit main body is installed near a wall separating the common space and the one room, and the outside air supply path or the inside air is provided. A ventilation structure, wherein a recovery passage is provided from the ventilation unit main body through the wall. 5. The ventilation structure according to any one of claims 2 to 4, wherein the shared space is a hall. 6. The ventilation structure according to claim 2, wherein the one room is a living room. 7. The ventilation structure according to any one of claims 1 to 6, wherein the ventilation unit main body heats the inside air collected through the inside air recovery passage and the outside air introduced through the outside air introduction passage. A ventilation structure characterized by having a heat exchange function for exchange.