JPH0968335A - Ventilation method and apparatus for building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve higher ventilation efficiency of a ventilator having an exhaust port such as monitor. SOLUTION: An external wall 4 of a building 2 is arranged cylindrical and the building 2 is circular viewed on plane. A single columnar space 2002 is formed inside the external wall 4 below a roof 6. A monitor 10 is provided at the part of the roof 6 facing the center of the space 2002 and an exhaust port is made up of the monitor 10. Doorways 20 are arranged at eight points in the circumferential direction of the external wall 4 at an equal interval and openings are made up of the doorways 20. An air guide plate 22 is provided at each of the doorways 20 with almost even angle of inclination with respect to a line aligning the doorway 20 and the center of the space 2002.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation method and apparatus for a building, and more particularly to a ventilation method and apparatus for enhancing ventilation efficiency of a ventilation system using external wind.

[0002]

2. Description of the Related Art Conventionally, there is already known a ventilation system in which a monitor is projected from the roof of a building and the inside of the building is ventilated by this monitor and a ventilation hole (gallery) provided on the wall of the building. Has been. FIG. 10 is a schematic front view of a building equipped with a conventional monitor, FIG. 11 is a sectional plan view of the building, FIG. 12 is a front view of the monitor, and FIG. 13 is a sectional plan view of a cylinder constituting the monitor. 2 is a building, 4 is a wall part, 6 is a roof, 8 is a ventilation port (gallery) provided in the wall part, 10 is a monitor,
The monitor 10 is composed of a cylindrical body 12 that communicates with the inside of the building 2 and projects upward from the roof 6, a conical roof member 14 mounted above the cylindrical body 12, and the like, and is located below the roof member 14. An air discharge port 16 is provided at the upper end portion of the cylindrical body 12. Then, the external wind passing around the monitor 10 causes an incentive action on the monitor 10, and the buoyancy due to the heat generated inside the building 2 takes in outside air from the ventilation port 8 and the inside of the building 2 from the air exhaust port 16 of the monitor 10. I try to exhaust the air.

[0003]

However, there is a limit to the incentive force and incentive range of the monitor 10 as described above.
Therefore, as shown in the front view in FIG. 14, if the pollutant source 18 is present inside the building 2, the pollutant source 1
The pollutant 1802 generated from No. 8 is not discharged promptly, but the pollutant 1802 is generated by the outside air entering from the ventilation port 8.
There was a problem that a part of the above was scattered inside the building 2.
The present invention has been devised in view of the above circumstances, and an object of the present invention is to improve the ventilation efficiency of a ventilation system that performs ventilation using external wind, and further, when the external wind is weak. Another object of the present invention is to provide a ventilation method and device for a building that can enhance ventilation efficiency even when the contour of the building is not circular or square.

[0004]

In order to achieve the above object, the method of ventilating a building according to the present invention is such that a space is formed inside by an outer wall and a roof, and an exhaust port is provided in a roof portion facing the center of the space. A ventilation method for taking in the outside air from the outer wall into the space and discharging the air in the space from the exhaust port, wherein openings are provided at a plurality of locations spaced along the periphery of the outer wall building, The external wind is introduced into the space from the opening with an inclination angle so as to swirl around the center of the space, and a swirling flow is generated in the space. Further, the present invention is characterized in that the external wind introduced from the opening is rectified in the space in a direction of turning around the center of the space. Further, the present invention is characterized in that the external wind is introduced into the space with a substantially uniform inclination angle with respect to an imaginary line connecting the opening and the center of the space. Further, the invention is characterized in that the exhaust port is constituted by a monitor provided on a roof.

The building ventilation device of the present invention is a building in which a space is formed inside by an outer wall and a roof, and an exhaust port is provided in a roof portion facing the center of the space. Apertures are provided at a plurality of locations spaced along each other, and air guide plates are arranged in the respective openings with an inclination angle so that the external wind is introduced around the center of the space in the direction of swirling. It is characterized by being set up. Also,
The present invention is characterized in that a plurality of rectifying plates for rectifying the external wind introduced from the opening in a direction of turning around the center of the space are provided inside the building. Further, the present invention is characterized in that the baffle plate is arranged with a substantially uniform inclination angle with respect to an imaginary line connecting the opening and the center of the space.

Further, the present invention is characterized in that the opening constitutes an entrance / exit of a building. Further, the present invention is characterized in that the opening constitutes a window of a building. Further, the invention is characterized in that the exhaust port is constituted by a monitor provided on a roof. The present invention further includes a tubular body in which the monitor projects upward from a roof, a roof member provided above the tubular body, and an air discharge port provided at an upper end of the tubular body. Is provided with a fan that causes air to flow toward the upper end of the cylindrical body.

External wind is introduced from each opening in the direction of swirling around the center of the space, and swirling flow is generated in the space. Due to this swirling flow, the air in the space is drawn to the center of the space and is efficiently discharged from the exhaust port. When the external wind is weak or the contour of the building is not circular or square, the external wind introduced in the space is rectified, and the external wind introduced by this is accelerated to surely generate the swirling flow.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION A ventilation method according to the present invention will now be described together with an apparatus according to the accompanying drawings. FIG. 1 is a schematic front view of a building provided with the ventilation device according to the first embodiment, and FIG. 2 is a sectional plan view of an opening portion of the building. The first embodiment is applied to a building equipped with the monitor shown in FIGS. 12 and 13, and the monitor 10 constitutes an exhaust port.
The outer wall 4 of the building 2 is provided in a cylindrical shape. Therefore, the building 2 is circular when viewed in a plan view, and a single columnar space 2002 is formed below the roof 6 and inside the outer wall 4.
The monitor 10 includes a tubular body 12 protruding upward from a roof 6 portion facing the center of the space 2002, a roof member 14 attached above the tubular body 12, and an upper end of the tubular body 12 located below the roof member 14. An air outlet 16 provided in the portion is provided.

Further, in this embodiment, the entrances / exits 20 are provided at eight locations at equal intervals in the circumferential direction of the outer wall 4, and the entrances / exits 20 constitute openings. Also, each doorway 2
The baffle plate 22 is provided at 0 with a substantially uniform inclination angle with respect to the line connecting the entrance 20 and the center of the space 2002. The baffle plate 22 can also be used as a door for opening and closing the entrance 20. In addition, a mechanism for adjusting the inclination angle of the baffle plate 22 is provided at each entrance 20 so that it is optional.

According to the present embodiment, the outside air is introduced into each entrance 20.
Enters the inside of Building 2. Then, the external wind is guided from each entrance 20 by each baffle plate 22 and has a uniform inclination angle with respect to the center of the space 2002.
Since it invades 002, a swirling flow is generated in the space 2002 by the external wind invading from each entrance 20. Then, the swirling flow expands the incentive force and the incentive range of the monitor 10 to enhance the ventilation efficiency.

This is because when a swirling flow centered on the center of the space 2002 is generated in the space 2002, the air in the building 2 is attracted to the center of the space 2002 by the swirling flow, whereby the air in the space 2002 is monitored. It is considered that 10 will be promptly discharged.

Further, even if the pollutant 1802 is generated from the pollutant source 18 inside the building 2 by expanding the trigger force and the trigger range of the monitor 10, the pollutant 1802 is diffused inside the building 2. Monitor 10 without
Will be promptly discharged to the outside of the building 2.

Next, a second embodiment will be described with reference to FIG. FIG. 3 shows a schematic front view of a building provided with the ventilation device according to the second embodiment. That is, the windows 30 are provided at a predetermined height above the ground at a plurality of locations at equal intervals in the circumferential direction of the outer wall 4. Further, each window 30 is provided with a baffle plate 32 with a substantially uniform inclination angle with respect to a line connecting the window 30 and the center of the space 2002. The baffle plate 32 can also be used as a window plate for opening and closing the window 30. In addition, a mechanism for adjusting the inclination angle of the baffle plate 32 is provided in each window 30, and it is optional.

According to the second embodiment, outside wind enters the inside of the building 2 through each window 30. And outside wind is each window 30
Are guided by the respective air guide plates 32 and enter the space 2002 with a uniform inclination angle with respect to the central axis of the space 2002, as in the first embodiment.
A swirling flow is generated in the space 2002 by the external wind that intrudes from the space 2002. Then, the swirling flow expands the incentive force and the incentive range of the monitor 10 to enhance the ventilation efficiency.

In the above embodiment, the case where the opening is the entrance 20 or the window 30 has been described, but both may be combined to form the opening. Further, as shown in FIG. 4, if the baffle plates 22 and 32 arranged at the entrance 20 and the window 30 are provided in the center of the entrance 20 and the window 30 so as to be able to adjust the swing around a shaft 41, the swirling flow It is possible to change the direction.

The air volume is controlled by increasing the height of the roof member 14 to increase the opening area of the air discharge port 16 as shown by the dotted line in FIG.
It is possible to increase the diameter of No. 2 or, as shown in FIG. 6, by arranging a single blower 43 or a plurality of blowers 43 in the inside of the cylindrical body 12 upward, Providing the blower 43 is advantageous in generating a swirling flow when the external wind is weak.

Next, a third embodiment will be described with reference to FIG. In the third embodiment, a current plate 50 is added to the first embodiment. The straightening vanes 50 are provided inside the building 2 to prevent the external wind introduced from the entrance 20 from entering the space 2002.
In the third embodiment, a plurality of straightening plates 50 are arranged in the inside to swirl around the center of the space 2002.
Are arranged on the same circumference at intervals in the circumferential direction and are arranged with a uniform inclination angle with respect to the circumference. In the third embodiment, even when the external wind is weak, the external wind introduced from the inlet / outlet 20 is rectified by the rectifying plate 50 in the direction of turning around the center of the space 2002, so that it is accelerated. Therefore, the swirling flow can be reliably generated.
If a mechanism for adjusting the inclination angle of the straightening vane 50 is provided, that is, if the straightening vane 50 is provided so that the angle can be adjusted, by changing the inclination angle of the straightening vane 50, for example, a swirling flow in strong wind can be generated. It is convenient because it can be weakened. Further, the width and height of the straightening vane 50 may be formed to have a size sufficient to straighten the external wind introduced from the openings such as the entrance 20 and the window 30, and the location of the straightening vane 50 is not limited to the floor. As shown in FIG. 1, it may be arranged at a position along the swirl flow from the floor to the monitor 10.

Next, a fourth embodiment will be described with reference to FIG. The fourth embodiment is a modification of the third embodiment and is different in the arrangement structure of the current plate 50. That is, in the fourth embodiment, the straightening vanes 50 are arranged along the two spirals, and the straightening vanes 50 are arranged in a double or triple structure. The same effect as that of the third embodiment is also obtained by the fourth embodiment.

Next, a fifth embodiment will be described with reference to FIG. In the fifth embodiment, the outer wall 4 of the building 2 is formed in a rectangular shape when seen in a plan view, and the roof 6 (not shown)
A single rectangular parallelepiped space 200 below the outer wall 4
2 is formed, and a monitor 10 (not shown) serving as an exhaust port is provided at the center of the roof 6 (not shown). And the outer wall 4
The entrances / exits 20 are provided at equal intervals in the extending direction of the, and the entrances / exits 20 form openings. In addition, a baffle plate 22 is provided at each of the entrances and exits 20 with an inclination angle so that the external wind is introduced in a direction of turning around the center of the space 2002. Furthermore, as in the third embodiment,
Inside the building 2, a plurality of straightening vanes 50 are arranged on the same circumference at intervals in the circumferential direction with a uniform inclination angle with respect to the circumference, and the external wind introduced from the entrance 20 is
In the space 2002, the flow is rectified in the direction of turning around the center of the space 2002. In the fifth embodiment, of course, when the external wind is weak, the contour of the outer wall 4 in a plan view is not limited to a circle or a square, and even if the outer wall 4 has a shape such as a rectangle, the external wind is generated by the straightening plate 50. Since it is accelerated, it is possible to reliably generate a swirling flow.

In the present invention, the shape of the building 2 is not limited to a circular shape, a square shape, or a rectangular shape in plan view, and may be a polygonal shape or another shape. In short, the present invention is a ventilation in which a space is formed inside by an outer wall and a roof, outside air is taken into the space from the outer wall, and air in the space is discharged from an exhaust port provided in a roof portion facing the center of the space. Applies to all buildings that can. In addition, the building 2 to which the present invention is applied broadly includes a membrane structure in which the wall portion 4 and the roof 6 are made of a film body, and the cylindrical body 12 also broadly includes a structure made of a film body. In addition, the present invention is suitable because the ventilation can be efficiently performed without using any energy particularly when the internal space of the building is large, such as an exhibition hall, a stadium, a playground, and a gymnasium.

[0021]

As is apparent from the above description, in the method for ventilating a building of the present invention, a space is formed inside by the outer wall and the roof, and an exhaust port is provided in the roof portion facing the center of the space, A ventilation method in which outside air is taken into the space from the outer wall and air in the space is discharged from the exhaust port, and openings are provided at a plurality of locations spaced around the building of the outer wall, from each of the openings. External wind is introduced into the space with an inclination angle so as to swirl around the center of the space,
A swirl flow is generated in the space. Further, the building ventilation device of the present invention, a space is formed inside by the outer wall and the roof, in a building provided with an exhaust port in the roof portion facing the center of the space, along the periphery of the building of the outer wall Openings were provided at a plurality of places spaced apart from each other, and a baffle plate was provided in each of the openings with an inclination angle so that the external wind was introduced around the center of the space in the direction of swirling. Therefore, the outside wind enters the inside of the building through each opening, so that a swirling flow is generated inside the building, and this swirling flow makes it possible to enhance ventilation efficiency.

[Brief description of drawings]

FIG. 1 is a schematic front view of a building including a ventilation device according to a first embodiment.

FIG. 2 is a cross-sectional plan view of an opening of a building.

FIG. 3 is a schematic front view of a building including a ventilation device according to a second embodiment.

FIG. 4 is an explanatory diagram of a modified example of the baffle plate.

FIG. 5 is an explanatory diagram of a monitor.

FIG. 6 is an explanatory diagram in which a blower is attached to the monitor.

FIG. 7 is an explanatory view of a third embodiment and is a cross-sectional plan view of an opening portion of a building.

FIG. 8 is an explanatory view of a fourth embodiment and is a cross-sectional plan view of an opening portion of a building.

FIG. 9 is an explanatory view of a fifth embodiment and is a cross-sectional plan view of an opening portion of a building.

FIG. 10 is a schematic front view of a building equipped with a conventional monitor.

FIG. 11 is a cross-sectional plan view of the building.

FIG. 12 is a front view of a conventional monitor.

FIG. 13 is a cross-sectional plan view of a cylinder that constitutes a conventional monitor.

FIG. 14 is an explanatory diagram of ventilation by a conventional monitor.

[Explanation of symbols]

 2 Building 4 Wall part 6 Roof 8 Ventilation port 10 Monitor 12 Cylindrical body 14 Roof member 16 Air exhaust port 20 Entrance / exit 22,32 Baffle plate 30 Window 50 Rectifier plate

Claims (11)

[Claims] 1. A space is formed inside by an outer wall and a roof, an exhaust port is provided in a roof portion facing the center of the space, and external air is taken into the space from the outer wall and air in the space is exhausted from the exhaust port. A ventilation method for discharging, wherein openings are provided at a plurality of locations spaced along the outer wall of the building, and external wind is blown from each of the openings, and an inclination angle is set so as to turn around the center of the space. A ventilation method for a building, characterized in that it is introduced into a space so as to generate a swirling flow in the space. 2. The method of ventilating a building according to claim 1, wherein the external wind introduced from the opening is rectified in the space in a direction of turning around the center of the space. 3. The building according to claim 1, wherein the outside wind is introduced into the space with a substantially uniform inclination angle with respect to an imaginary line connecting the opening and the center of the space. Ventilation method. 4. The ventilation method for a building according to claim 1, 2 or 3, wherein the exhaust port is constituted by a monitor provided on a roof. 5. In a building in which a space is formed inside by an outer wall and a roof, and an exhaust port is provided in a roof portion facing the center of the space, a plurality of locations spaced along the outer wall of the building. An opening is provided in each of the openings, and a baffle plate is provided in each of the openings with an inclination angle so that an external wind is introduced around the center of the space in a direction of swirling. Ventilation system. 6. A ventilation device for a building according to claim 5, wherein a plurality of rectifying plates for rectifying the external wind introduced from the opening in a direction of turning around the center of the space are provided inside the building. . 7. The ventilation of a building according to claim 5, wherein the baffle plate is arranged with a substantially uniform inclination angle with respect to an imaginary line connecting the opening and the center of the space. apparatus. 8. A ventilation device for a building according to claim 5, 6 or 7, wherein said opening constitutes an entrance / exit of the building. 9. A ventilation device for a building according to claim 5, 6 or 7, wherein said opening constitutes a window of the building. 10. The building ventilation device according to claim 5, wherein the exhaust port is constituted by a monitor provided on a roof. 11. The monitor includes a tubular body protruding upward from a roof, a roof member provided above the tubular body, and an air discharge port provided at an upper end of the tubular body. The ventilation device for a building according to claim 10, wherein the fan is provided with a fan that causes air to flow toward the upper end of the cylinder.