JP4316116B2 - Central ventilation building - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a central ventilation device that collectively ventilates a plurality of spaces partitioned by a partition having a ventilation portion, and a central ventilation type building including the central ventilation device.
[0002]
[Background]
Conventionally, high air-tightness and thermal insulation have been improved to block indoor and outdoor air, prevent indoor heat from leaking to the outside, and reduce energy loss in air conditioning inside buildings.・ Highly insulated buildings are used.
In such a highly airtight and highly insulated building, the indoor and outdoor air is blocked from entering and exiting, so the building must be well ventilated.
Therefore, in order to ventilate a highly airtight and highly insulated building, a central ventilator that collectively ventilates a plurality of partitioned spaces such as living rooms in the building is used (Japanese Patent Laid-Open No. 11-344253, etc.) reference).
[0003]
The central ventilator includes a device main body that ventilates indoors and outdoors, and an intake / exhaust duct that has one end connected to the device main body and the other end connected to an intake / exhaust port of each space. .
For example, air from the outside is supplied to a living room or the like via an exhaust duct, and the air accumulated in the living room or the like is used as a clearance between the door and the peripheral edge of the opening where the door is provided, or a ventilation formed in the door. The air is collected from a ventilation portion such as a mouth to an air inlet provided in the corridor and discharged to the outside through an air intake duct.
Here, the flow rate (velocity) of the wind generated between the air blown out from the exhaust port and the air sucked from the intake port is adjusted to a comfortable flow rate (flow rate) that residents hardly feel the wind. Yes.
[0004]
[Problems to be solved by the invention]
In such a central ventilator and a building equipped with the central ventilator, a gap between the door and the periphery of the opening in which the door is provided, or a door, is formed particularly between the living room and the hallway through the door. It is difficult to adjust to a comfortable flow rate (flow velocity) where you can hardly feel the wind, because a pressure difference occurs at the part where the flow rate of air coming out of the room is throttled, such as vents such as vents. There is a problem that the wind feels uncomfortable.
On the other hand, for example, if the amount of air sucked from the air inlet is reduced so that no wind is generated, there is a problem that air circulation becomes insufficient and ventilation is poor.
[0005]
An object of the present invention is to provide a centrally ventilated building that does not cause discomfort due to the wind and can perform ventilation well.
[0006]
[Means for Solving the Problems]
The present application is a central ventilation type building having a central ventilation device that collectively ventilates a plurality of rooms partitioned from a corridor by a partition having a ventilation portion, and the ventilation portion is a partition that serves as a boundary between each room and the hallway. Provided above the door provided in the opening to be installed and in a partition on the side of the door, the central ventilation device is formed on the apparatus main body for indoor and outdoor ventilation, on the lower surface of the apparatus main body, An air inlet that is exposed on the ceiling of the corridor for inhaling air, and a plurality of exhaust ducts having one end connected to the apparatus main body and the other end connected to the air outlet of each room, The hallway and each room are each provided with a pressure sensor, and the apparatus main body is provided with pressure control means for maintaining the pressure difference between the adjacent hallway and each room through the ventilation portion within a predetermined range. It is characterized in.
[0007]
The present invention is not only a device as described above, but also a central ventilation type provided with a central ventilation device 6 provided with a pressure control means 67 for maintaining a pressure difference between adjacent spaces in a predetermined range via the ventilation portion 28. It is also established as a building (for example, a unit type building 1), and the same effect can be obtained.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 shows a unit building 1 according to an embodiment of the present invention.
This unit-type building 1 has indoor airtightness and heat insulation properties to block indoor and outdoor air, prevent indoor heat from leaking to the outside, and reduce energy loss in air conditioning inside the building. It is a highly airtight and highly insulated building.
The unit type building 1 includes a building body 3 provided on a foundation 2 and a roof 4 provided on the building body 3.
[0009]
The building body 3 includes a first floor 3A composed of a plurality of building units 10 arranged in parallel on the foundation 2, and a second floor 3B composed of a plurality of building units 20 arranged in parallel on the first floor 3A. It is configured to include.
In the attic space 5 formed between the building main body 3 and the roof 4, a central ventilation device 6 for ventilating the second floor 3B is provided.
[0010]
The central ventilator 6 has a main body 61 for ventilating indoors and outdoors, and one end connected to the air inlet 62A and the exhaust port 63A formed on the outer wall, and the other end connected to the main body 61. The outside air intake duct 62 and the outdoor side exhaust duct 63, and an indoor side exhaust duct 64 having one end connected to the apparatus main body 61 and the other end connected to an exhaust port described later are configured.
[0011]
The apparatus main body 61 includes a total heat exchanger for exchanging heat between the air taken in from the outdoors and the air discarded from the room to the outdoors, and a blower provided according to the ducts 62 to 64 for ventilation. And a pressure control means 67. By providing a total heat exchanger, for example, the temperature and humidity can be lowered during the summer and both can be raised during the winter.
[0012]
As shown in FIG. 2, the second floor 3 </ b> B has a main bedroom 22, two sub-bedrooms 23 and 24, a toilet 25, a hallway 26, and a plurality of spaces inside by a partition 21 such as a partition wall. It is divided into and.
An opening 21A is formed in the partition 21 that is a boundary between adjacent spaces of the main bedroom 22, the sub bedrooms 23 and 24, the toilet 25, and the hallway 26, and a door 27 is provided in the opening 21A. Yes. By opening and closing the door 27, it is possible to go back and forth between the spaces. Ventilation portions 28 are formed in the door 27, the gap between the door 27 and the periphery of the opening 21A, and the partition 21 above and on the side of the door 27 (FIGS. 3 and 4).
[0013]
An exhaust port 64A is formed in the ceiling of each of the main bedroom 22 and the sub bedrooms 23 and 24, to which the other end of the indoor exhaust duct 64 disposed on the back of the ceiling is connected.
The ceiling of the hallway 26 is formed on the lower surface of the apparatus main body 61, and an air inlet 61A for sucking air in the hallway 26 is exposed. The air sucked at the intake port 61A is heat-exchanged by the total heat exchanger, and is discharged to the outside through the outdoor side exhaust duct 63 and the exhaust port 63A.
That is, new air from the outside is taken into each main bedroom 22 and sub-bedrooms 23 and 24 by the central ventilation device 6, and the old air and the like accumulated in each main bedroom 22 and sub-bedrooms 23 and 24 is taken into the intake port of the corridor 26. The air circulation path (flow passage) is formed by collecting the air in 61A and discharging it from the corridor 26 to the outside. Thereby, the main bedroom 22, the two sub bedrooms 23 and 24, and the hallway 26 of the second floor 3B are collectively ventilated.
[0014]
Here, when the door 27 is open, old air or the like that has accumulated in each of the main bedroom 22 and the sub-bedrooms 23 and 24 passes through the opening 21A and collects in the air inlet 61A of the hallway 26. In addition, when the door 27 is open, air also passes from the ventilation part 28 formed in the partition 21 on the upper side and the side of the door 27, but is almost negligible when compared with the amount of air passing through the opening 21A. This amount is not considered in this embodiment.
On the other hand, when the door 27 is closed, as shown in FIGS. 3 and 4, old air or the like accumulated in the main bedrooms 22 and the sub-bedrooms 23 and 24 flows from the ventilation portions 28 to the intake ports 61 </ b> A of the hallway 26. To come together.
[0015]
At this time, the amount of air exhausted from the exhaust port 64A of each of the main bedroom 22 and the sub bedrooms 23 and 24 and the amount of air sucked from the air inlet 61A of the hallway 26 are the air exhausted from the exhaust port 64A. And the air sucked from the air inlet 61A, that is, the flow rate (flow velocity) of the wind generated in the vicinity of the opening 21A is a comfortable flow rate (flow velocity) that hardly causes the resident to feel the wind. The pressure control means 67 is used.
[0016]
This pressure control means 67 is disposed in each main bedroom 22, sub-bedroom 23, 24 and corridor 26, and is built in the apparatus main body 61 and a pressure sensor 65 connected to the apparatus main body 61 by a cable (not shown). The amount of air blown from the blower is controlled in accordance with the sensor signal from the sensor 65, and the amount of air exhausted from the exhaust port 64A of each of the main bedroom 22, the sub bedrooms 23 and 24, and the air exhausted from the intake port 61A of the corridor 26. And an air amount control unit 66 for controlling the amount of intake air.
[0017]
The air amount control unit 66 includes a pressure value obtained from the pressure sensor 65 disposed in each of the main bedroom 22 and the sub bedrooms 23 and 24, and a pressure value obtained from the pressure sensor 65 disposed in the hallway 26. And the air flow rate and the exhaust gas amount so that the calculated pressure difference becomes a predetermined pressure difference that is set or a flow rate of the predetermined air flowing through the opening 21A and the ventilation portion 28. The intake air amount is controlled.
The air amount control unit 66 sets the pressure difference to a predetermined range of 0.1 hPa to 30 hPa and sets the air flow rate to a predetermined range of 0.5 m / s to 5 m / s. Has been.
[0018]
As a result, when the door 27 is closed, the air flow from the main bedroom 22 and the sub bedrooms 23 and 24 is reduced by the ventilation portion 28, so that the main bedroom 22, the sub bedrooms 23 and 24, and the corridor. Even if a pressure difference is generated between the air flow and the air flow, a predetermined air circulation is obtained by the pressure control means 67 and the human body feels the wind in the vicinity of the air flow portion 28. It is possible to maintain a pressure difference that provides a degree of air circulation.
[0019]
The walls of the main bedroom 22 and the sub bedrooms 23 and 24 are provided with an air conditioner 31 that is an air conditioner for cooling, heating, and blowing air of the main bedroom 22 and the sub bedrooms 23 and 24. Yes.
Further, the toilet 25 is separately provided with a ventilation fan 32 which is a local forced ventilation device dedicated to the toilet 25. Thereby, in the toilet 25, exhaust is performed independently.
[0020]
As shown in FIG. 5, the first floor 3 </ b> A is divided into a plurality of spaces such as a living / dining / kitchen 12, a Japanese-style room 13, a bathroom 14, a washroom 15, a toilet 16, an entrance, by a partition 11 such as a partition wall. 17 and corridor 18.
Each living / dining / kitchen 12, Japanese-style room 13, bathroom 14, washroom 15, toilet 16, entrance 17, and partition 11 serving as a boundary between adjacent spaces are formed with openings 11 </ b> A. 11A can open and close each space by opening and closing the door 19 provided with the door 19. In the door 19 and in the gap between the door 19 and the periphery of the opening 11A, a ventilation portion similar to the second floor portion 3B is formed (not shown).
[0021]
The first floor portion 3A is provided with a central ventilation device 6 similar to that installed on the second floor portion 3B. Like the second floor portion 3B, the first floor portion 3A is ventilated by the central ventilation device 6. Yes.
At the ceiling of each living / dining / kitchen 12 and Japanese-style room 13, an exhaust port 64 </ b> A is formed to which the other end of the indoor exhaust duct 64 disposed behind the ceiling is connected.
In addition, the ceiling of the hallway 18 is formed on the lower surface of the apparatus main body 61, and an air inlet 61 </ b> A for sucking air in the hallway 18 is exposed. The air sucked at the intake port 61A is heat-exchanged by the total heat exchanger, and is discharged to the outside through the outdoor side exhaust duct 63 and the exhaust port 63A.
[0022]
The walls of each living / dining / kitchen 12 and Japanese-style room 13 are provided with an air conditioner 31 that is an air conditioner for cooling, heating, and blowing air of each living-dining / kitchen 12 and Japanese-style room 13. Yes.
Further, the bathroom 14 and the toilet 16 are separately provided with a ventilation fan 32 which is a local forced ventilation device dedicated to the bathroom 14 and the toilet 16. Thereby, in the bathroom 14 and the toilet 16, exhaust is performed independently.
[0023]
Next, the operation procedure of the central ventilation device 6 provided in the second floor 3B will be described below.
First, when the door 27 is closed from the state in which the door 27 is opened and ventilated, the air flow from each of the main bedroom 22 and the sub-bedrooms 23 and 24 is reduced by the ventilation portion 28, so A pressure difference is generated between the bedroom 22, the sub bedrooms 23 and 24, and the corridor 26, and wind is likely to be generated.
The air amount control unit 66 calculates a pressure difference from the pressure values detected by the pressure sensors 65 arranged in the main bedrooms 22 and the sub bedrooms 23 and 24 and the hallway 26, and the set pressure difference or pressure difference. Compare with the distribution speed according to.
When the calculated pressure difference is not within the set pressure difference range or when it is likely to deviate from the predetermined range, the air flow rate, the exhaust air amount, and the intake air amount are controlled so as to be within the range.
As a result, the flow rate (flow velocity) of the wind generated between the air exhausted from the exhaust port 64A and the air sucked from the intake port 61A becomes a comfortable flow rate (flow velocity) at which a resident or the like hardly feels the wind. .
In addition, since the central ventilation apparatus 6 provided in the 1st floor part 3A is also the same operation | movement procedure, it abbreviate | omits here.
[0024]
According to this embodiment, the following effects can be obtained.
That is, since the central ventilator 6 is provided with the pressure control means 67, the pressure difference between the adjacent spaces hardly feels the wind, and the ventilation portion 28 is not poorly ventilated. A predetermined air flow can be obtained, and the pressure difference can be maintained in the vicinity of the ventilation portion 28 so as to obtain a flow of air that allows the human body to feel the wind. Thereby, while feeling a wind and producing discomfort, ventilation can be performed favorably.
[0025]
In addition, this invention is not limited to the said embodiment, Other structures etc. which can achieve the objective of this invention are included, The deformation | transformation etc. which are shown below are also contained in this invention.
For example, the pressure difference set in the air amount control unit and the flow rate of the air flowing through the ventilation unit are not limited to the numerical range of the above embodiment, and a predetermined air flow can be obtained in the ventilation unit, and In the vicinity of the ventilation portion, it may be in a numerical value range in which air circulation such that the human body feels the wind is obtained, and may be determined as appropriate in implementation.
[0026]
Further, the pressure control means is not limited to the configuration of the above-described embodiment, and for example, when the width dimension of the ventilation portion is set, the air blowing amount, the exhaust amount, and the intake amount necessary when the door is closed are automatically calculated. A control device in which a program to be controlled is recorded may be used, and the configuration may be determined as appropriate in implementation.
[0027]
【The invention's effect】
As described above, according to the central ventilation type building of the present invention, there are the following effects.
That is, according to the central ventilation type building according to claim 1 , for example, by controlling the air intake amount and the exhaust amount of the central ventilator by the pressure control means, the pressure difference between adjacent spaces is felt by the wind. The pressure that does not cause poor ventilation in the ventilation part, in other words, the predetermined air circulation is obtained in the ventilation part, and the air circulation is obtained in the vicinity of the ventilation part so that the human body can feel the wind. Can be kept in the difference. Thereby, while feeling a wind and producing discomfort, ventilation can be performed favorably.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a unit building in an embodiment of the present invention.
FIG. 2 is a plan view showing a second floor portion in the embodiment.
FIG. 3 is an enlarged view showing a door portion in the embodiment.
FIG. 4 is a cross-sectional view showing a door portion in the embodiment.
FIG. 5 is a plan view showing a first floor portion in the embodiment.
[Explanation of symbols]
1 Unit Building 6 Central Ventilator 21 Partition 22 Master Bedrooms 23, 24 Sub-Bedroom 26 Corridor 28 Ventilation Unit 61 Apparatus Main Body 61A Air Intake Port 64 Indoor Exhaust Duct 64A Exhaust Port 67 Pressure Control Means

Claims (1)

A centrally ventilated building having a central ventilation device that collectively ventilates a plurality of rooms partitioned from a hallway by a partition having a ventilation part,
The ventilation section is provided above the door provided in the opening installed in the partition which becomes the boundary between each room and the hallway, and in the partition on the side of the door,
The central ventilator has a main body for indoor and outdoor ventilation, an intake port formed on the lower surface of the main body of the apparatus and exposed to the ceiling of the corridor so as to suck air in the corridor, and one end of the main body of the apparatus And having a plurality of exhaust ducts connected at the other end to the exhaust port of each room,
Each corridor and each room is provided with a pressure sensor,
A centrally ventilated building characterized in that the apparatus main body is provided with pressure control means for maintaining a pressure difference between adjacent hallways and rooms through the ventilation portion within a predetermined range .

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