JPH11294824A - Ventilator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a ventilator which is able to readily control air volume to individual rooms and make the best use of the capability of a blower. SOLUTION: In a ventilator of the type where in a blower is mounted inside a frame body which includes a suction unit having a plurality of suction ports, and an exhaust unit, a partitioning plate 32 having a rectangular ventilating hole 33 is provided between the blower 52 inside the frame body 31 and the suction unit 34, and suction ports 36 are dispersedly arranged at opposite frame plates, of the frame body 31 along the lengthwise direction of the ventilating hole 33.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation system for actively ventilating a house, and more particularly, to a ventilation device constituting the ventilation system.

[0002]

2. Description of the Related Art As a conventional ventilating system of this kind, a ventilator in which a blower is mounted inside a frame provided with a plurality of intake ports and usually one exhaust port is installed, for example, above a ceiling. It is known to ventilate a plurality of rooms.
In this case, the air intake ports are respectively formed on a plurality of side faces of the frame constituting the ventilation device, and each air intake port and a ventilation port of each room to be ventilated are ducted, while a ventilation port of each room is provided. An intake grill having an air volume adjusting plate is provided, and the opening area is adjusted by the air volume adjusting plate so that ventilation according to the size of the room is performed.

[0003]

In the above-mentioned conventional ventilating apparatus, the ventilation is carried out depending on the direction of the blower mounted inside the frame or the position of the air inlet formed on the side surface of the frame. There has been a problem that a difference in resistance occurs, making it difficult to adjust the air volume in each room.

Further, when adjusting the air volume of each room, the opening area is reduced by the air volume adjusting plate as a tendency. This causes an increase in ventilation resistance, and there is also a problem that the capacity of the blower cannot be fully utilized.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a ventilation device which can easily adjust the air volume in each room and can make full use of the capacity of a blower.

[0006]

The invention according to claim 1 is
In a ventilation device in which a blower is mounted inside a frame provided with an intake unit having a plurality of intake ports and an exhaust port, a rectangular ventilation port is provided between the blower and the intake unit inside the frame. A partition plate is provided, and intake ports are dispersedly arranged on opposed frame plates of a frame body in a longitudinal direction of the ventilation port.

According to a second aspect of the present invention, in the ventilating apparatus according to the first aspect, there is provided a shielding plate for closing the intake port from outside the frame, and a connecting cylinder for connecting a duct to the intake port. A screw hole is provided at the edge of the frame plate around the intake port so that the shield plate and the connection tube can be attached and detached and exchanged.

According to a third aspect of the present invention, in the ventilating apparatus according to the second aspect, the screw hole is provided at a position equally divided in a circumferential direction when viewed from the center of the intake port, and the screw hole is formed in the shielding plate and the connection cylinder. It is characterized by being shared for mounting.

According to a fourth aspect of the present invention, in the ventilating device according to any one of the first to third aspects, a part of a range corresponding to an edge of the intake port is connected to the main body,
Most is separated from the main body, and the connection portion is cut off by applying an external force to the frame plate in the divided area.

According to a fifth aspect of the present invention, in the ventilating apparatus according to any one of the first to fourth aspects, the blower is a centrifugal blower, the rotation axis of which is installed horizontally, and a ventilation port is provided on the intake side of the blower. It is characterized by having been provided.

According to a sixth aspect of the present invention, in the ventilating apparatus according to the fifth aspect, an electric box for housing a control device of the blower is mounted below the blower, and the ventilation box is located at a position deviated from the installation position of the blower. It is characterized by having a mouth.

According to a seventh aspect of the present invention, in the ventilating device according to any one of the first to sixth aspects, a shutter for preventing backflow is provided at the intake port.

According to an eighth aspect of the present invention, in the ventilating apparatus according to the seventh aspect, the shutter is substantially balanced in weight with respect to an axis perpendicular to the traveling direction of the wind, and is open to normal wind. It is characterized by having a tilting wing formed short on one side and long on the other side so as to close against a headwind.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on preferred embodiments shown in the drawings. FIG. 1 is a schematic configuration diagram of a house ventilation system to which the present invention is applied. In the figure, a house 10 has an LDK (living room, dining room, kitchen) or living room 11, hall 12, washroom 14 on the first floor.
A bathroom A and a toilet 15 are arranged. For example, the wind A blown into the LDK or the living room 11 passes through the stairs 13, the hall 12, the washroom 14, the bath and the toilet 15, and goes out of the door, so-called natural ventilation. Is performed. The ventilation system shown in FIG. 1 mainly intends to forcibly ventilate the rooms 16 and 17 on the second floor.

Therefore, a ventilation opening 21 is provided on the ceiling of the living room 16 and a grill is attached to the ventilation opening 21. Similarly, a ventilation opening 22 is provided on the ceiling of the living room 17 and a grill is also attached to the ventilation opening 22. Can be A ventilation device 30 according to the present invention is installed in the attic 18, the ventilation device 30 and the ventilation port 21 are connected by a flexible duct 23, and the ventilation device 30 and the ventilation port 22 are connected by a flexible duct 24. ing. In addition, the ventilation device 30
And a ventilation tower 19 provided at the top of the roof are connected by a flexible duct 25.

In this case, the opening is appropriately opened so that the wind B enters the living room 16 from the outside and the wind C enters the living room 17 from the outside.
The air of 6, 17 is sucked and discharged to the ventilation tower 19. The attic 18 is provided with an opening or a gap through which the wind D naturally flows in from the outside, and the air discharged from the ventilator 30 and the wind D naturally flowing into the attic 18 are mixed to form the air from the ventilation tower 19. Discharged as wind E.

FIG. 2 is a longitudinal sectional view and a transverse sectional view showing the structure of the first embodiment of the ventilation device according to the present invention. In the drawing, a frame 3 having a rectangular parallelepiped shape whose outer shape is long in the vertical direction.
Reference numeral 1 denotes an intermediate portion in the vertical direction which is partitioned by a partition plate 32. At a substantially central portion of the partition plate 32, a ventilation port 33 having a long side dimension of L and a short side dimension of W is formed. Partition plate 32
The lower part is an intake part 34 and the upper part is an exhaust part 35 when viewed from above. Among them, the frame plate on the side of the air intake section 34, that is, the air inlet 36 is provided on one of the opposed frame plates as viewed in the longitudinal direction of the ventilation hole 33, and the air inlet 37 is provided on the other frame plate. ing.

A connection tube 41 for connecting the ducts 23 and 24 is attached to the outside of the intake ports 36 and 37, respectively. The connection tube 41 is connected to the flange 42 and the connection 4
3 are integrally formed, and the flange portion 42
The equally divided positions are each screwed to the frame plate, and the connecting portion 43 is formed in a tapered tubular shape so that the flexible duct 23 or 24 can be fitted easily.

On the other hand, a centrifugal blower 52 known as a sirocco fan is mounted on the exhaust portion 35 above the partition plate 32 via a mounting member 51 having a flange at each end. In this case, one end of the attachment member 51 is attached to a frame plate at the top of the frame body 31 and the other end of the centrifugal blower 52 is attached to the other end.
Are mounted with the rotation axis vertical. The air outlet 38 is provided in the direction in which the air is discharged from the centrifugal blower 52, that is, in the side frame plate. A connection tube 44 for connecting the duct 25 is mounted outside the exhaust port 38. The connection tube 44 has a flange portion 45 and a connection portion 46 formed integrally and has a larger diameter than the connection tube 41 described above. Of these, the flange portion 45 divides the circumferential direction into four equal parts. Are connected to the frame plate by screws.
Is formed in a tapered tubular shape in order to make it easier to fit.

When the centrifugal blower 52 is operated to ventilate the living rooms 16 and 17 shown in FIG. 1, the wind B from the living room 16 and the wind C from the living room 17 are supplied to the intake port 3 respectively.
6 and 37, the air is sucked into the centrifugal blower 52 along the path indicated by the dashed arrow, and discharged from the exhaust port 38 as indicated by the dashed arrow E. In this case, the intake ports 36 and 37 are formed in a frame plate viewed in the longitudinal direction of the ventilation port 33 formed in the partition plate 32, and the wind B
And C pass through the vent 33 in a laminar flow. As a result, it is possible to substantially uniformly ventilate the living rooms 16 and 17 without causing a difference in ventilation resistance in the intake section 34. Further, by appropriately determining the diameters of the intake ports 36 and 37 and the diameters of the flexible ducts 23 and 24, a grill having no air volume adjusting plate can be adopted as a grill provided in the ventilation ports 21 and 22 of the living rooms 16 and 17. Can be. Further, it is possible to prevent a situation in which the centrifugal blower 52 cannot exhibit the nominal capacity due to the air volume adjusting plate being closed too much.

In the above embodiment, the ventilation holes 21 and 22 are used.
Each of them was equipped with no airflow control plate, but it is needless to say that if it is necessary to reduce the ventilation volume on one side according to the difference in the size of the room, etc. .

Thus, according to the first embodiment shown in FIG. 2, the air volume of each room can be easily adjusted, and the capacity of the blower can be fully utilized.

FIG. 3 is a side view and a perspective view of the main elements of a second embodiment of the ventilation device according to the present invention. In the figure, the components denoted by the same reference numerals as those in FIG. 2 indicate the same components. In this embodiment, for example, a plurality of intake ports 36 are formed in one frame plate of the frame body 31 and these intake ports 36 are used for ventilation, or are shielded because they are unnecessary. . In this case, as shown in (a), a screw hole 31A is provided in the peripheral portion of the intake port 36 provided in the frame plate of the frame body 31 at every 120 degrees, which divides the circumferential direction into three equal parts. Screw holes 31B (one screw hole 3)
1A).

In order to use the air inlet 36 for ventilation, a connecting cylinder 41 shown in FIG. 2B is attached, and on the contrary, a shielding plate 61 shown in FIG. It is. Therefore, the position corresponding to the screw hole 31A, that is, the circumferential direction is
A mounting hole 41H is formed at every equally divided 120 degrees. Further, mounting holes 61H are formed in the shielding plate 61 at positions corresponding to the screw holes 31B, that is, at every 90 degrees obtained by dividing the circumferential direction into four equal parts. As a result, the connection cylinder 4 is
1 and the shield plate 61 can be attached and detached and replaced.

FIG. 4 is a side view and a perspective view of main elements of a third embodiment of the ventilation device according to the present invention. In the figure, the same elements as those in FIG. 3 are denoted by the same reference numerals, and description thereof will be omitted. In this embodiment, attachment / detachment of the connection cylinder 41 and the shielding plate 61,
The same screw holes are used for replacement. In this case, as shown in (a), a screw hole 31C is formed in the peripheral portion of the intake port 36 provided in the frame plate of the frame body 31 at every 120 degrees which divides the circumferential direction into three equal parts. A mounting hole 41H is provided at a position corresponding to the screw hole 31C in the flange portion 42 of the connection tube 41 shown in FIG. 3B, and a mounting hole 61H is provided in the shielding plate 61 at a position corresponding to the screw hole 31C. ing. Thereby, attachment / detachment and exchange of the connection cylinder 41 and the shielding plate 61 with respect to the intake port 36 become possible. Also, screw holes 3
The number of 1Cs can be reduced, and there is also an advantage that the workability can be improved since it is only necessary to arbitrarily determine the circumferential position when mounting the connection cylinder 41 and align one mounting hole with one screw hole.

FIG. 5 is a side view of the main elements of a fourth embodiment of the ventilation device according to the present invention. In this embodiment, the intake port 36 is substantially kept in a shielded state until it is actually used for ventilation, and a part forming the intake port 36 is pushed out when used for ventilation. Therefore, FIG.
At a position corresponding to the edge of the slit 31, for example, a slit 31 having a width W is formed so that only a portion obtained by dividing the circumferential direction into approximately three equal portions is slightly connected.
D is formed and the inside thereof can be punched out. (B) shows a configuration in which a narrower cut 31E is formed instead of the slit 31D, and the inside thereof can be pushed out. Thereby, in many cases, the shielding plate 61 shown in FIG. 3 or 4 can be made unnecessary.

FIG. 6 is a longitudinal sectional view showing the structure of a fifth embodiment of the ventilation device according to the present invention. In the figure, the same elements as those in FIG. 2 are denoted by the same reference numerals, and description thereof will be omitted. In this embodiment, the frame 31 is used to reduce ventilation resistance.
The exhaust port 38 is provided at the top of the connection pipe, and the connecting cylinder 44 is attached outside the exhaust port 38. In response to this, the centrifugal blower 52 is mounted on the frame plate on the side of the frame body 31 via the mounting member 51 so that the rotation axis 52B is horizontal. In the mounted state of the centrifugal blower 52, air is mainly sucked from the left side of the drawing and exhausted upward, so that the ventilation port 33 and the suction port 36 (and the suction port 37) are formed at positions deviated to the left side of the drawing. As a result, for example, the wind B sucked from the intake port 36 is discharged as the wind E through a path having relatively low resistance as shown by a broken arrow. As a result, the ventilation path is simplified, and efficient ventilation becomes possible.

FIG. 7 is a longitudinal sectional view showing the structure of a sixth embodiment of the ventilation device according to the present invention. In the drawing, the same elements as those in FIG. I do. In this embodiment, a centrifugal blower 52
The electric equipment box 71 accommodating the control device is mounted. In this case, the lower surface of the partition plate 32, which is considered to be effective for reducing the operating noise of the centrifugal blower 52 without increasing the ventilation resistance, is selected as the mounting position of the electrical component box 71. Thereby, a sound insulation effect that makes it difficult for the operation sound of the centrifugal blower 52 to be transmitted to the hall 12 and the like is obtained.

FIG. 8 is a partial sectional view showing the structure of a seventh embodiment of the ventilation device according to the present invention. In the figure, the same elements as those in FIG. 2 are denoted by the same reference numerals, and description thereof will be omitted. In this embodiment, a shutter 81 is provided inside the connection tube 41 in order to prevent the wind from flowing backward from the outside to the living rooms 16 and 17 (see FIG. 1). The shutter 81 has a shaft 82 provided horizontally above the center of the connection cylinder 41.
Are mounted so as to be tiltable with the fulcrum as a fulcrum, and the lower wing portion as viewed from the shaft 82 is located inside, and the upper wing portion as viewed from the shaft 82 is located outside. Therefore, when the wind flows in the forward direction, the shutter 81 tilts in the direction of arrow P, and is kept in a state where the ventilation resistance is relatively small at a position where the wind is balanced. On the other hand, when the wind is going to flow in the opposite direction, the tip of the lower wing portion as viewed from the shaft 82 abuts on the inner wall of the connection tube 41 to block the flow path of the connection tube 41. As a result, it is possible to prevent the wind from flowing backward from the outside.

FIG. 9 is a partial sectional view showing the configuration of an eighth embodiment of the ventilation device according to the present invention. In the figure, the same elements as those in FIG. 8 are denoted by the same reference numerals, and description thereof will be omitted. In this embodiment, a shutter 91 for preventing the backflow of wind from the outside is provided inside the connection tube 41. The shutter 91 is mounted so as to be tiltable around a shaft 92 provided horizontally above the center of the connection cylinder 41.
2, the length b from the axis 92 to the tip of the lower wing is longer than the length a to the tip of the upper wing, and the upper wing is located outside and The wings are located inside.
A balance weight 93 is attached to the upper wing to balance the weight with the lower wing. According to this configuration, even when the flow rate of the wind is small, the shutter 91 easily tilts, moves in the direction of the arrow P with respect to the wind in the forward direction and is maintained at a substantially horizontal position, and the arrow Q It tilts in the direction to close the flow path of the connection cylinder 41. According to this embodiment, not only is it possible to prevent the wind from flowing backward from the outside, but also because the flow path is opened to the wind having a small flow rate in the forward direction, natural ventilation is performed while the centrifugal blower 52 is stopped. Can be made.

In the above-described embodiment, the two rooms 16 and 17 on the second floor of the house 10 are forcibly ventilated. However, the present invention is not limited to this, and the present invention is not limited to this. The present invention can be applied to a case where a room exists on a place other than the second floor, or even if there are three or more rooms.

Further, according to the above-described embodiment, the cylindrical connecting cylinders 41, 44 corresponding to the cylindrical flexible ducts.
Is used, but a connection tube having an outer shape corresponding to the flexible duct may be prepared.

Furthermore, in the above embodiment, the shielding plate 61 having a rectangular outer shape is used, but the shape may be circular as long as it blocks the air inlet 36.

Further, an intake port may be provided on the bottom surface of the frame body 31, and the intake port may be opposed to the hole 12 to take in the air in the hole 12.

[0035]

As is apparent from the above description, according to the first aspect of the present invention, a partition plate having a rectangular ventilation port is provided between the blower and the intake section inside the frame. Since the intake ports are dispersedly arranged on the facing frame plate of the frame body in the longitudinal direction of the ventilation port, the air volume in each room can be easily adjusted, and a ventilator capable of fully utilizing the capacity of the blower can be obtained.

According to the second aspect of the present invention, since the shield plate for closing the intake port and the connection / detachable / exchangeable screw hole for the connection cylinder for connecting the duct to the intake port are provided, the ventilation is provided. There is also an effect that it is possible to easily cope with the change in the number of rooms required.

According to the third aspect of the present invention, the screw hole is provided at a position equally divided in the circumferential direction when viewed from the center of the intake port, and is commonly used for mounting the shield plate and the connection cylinder. There is also an effect that can be increased.

According to the invention according to claim 4, a part of the range corresponding to the edge of the intake port is connected to the main body,
Since the configuration in which most is separated from the main body is employed, the shielding plate 61 can be unnecessary in many cases.

According to the fifth aspect of the present invention, a centrifugal blower is used as a blower, and its rotating shaft is installed horizontally, and a ventilation port is provided on the intake side of the blower. The effect that good ventilation becomes possible is also obtained.

According to the sixth aspect of the present invention, since the electrical box is mounted on the intake side of the lower partition plate of the blower,
The sound insulation effect against the operation sound of the blower is obtained.

According to the seventh aspect of the present invention, since the shutter is provided at the intake port, it is possible to prevent the wind from flowing back from outside to the living room or the like.

According to the eighth aspect of the present invention, the shutter is configured so as to be weight-balanced with respect to an axis perpendicular to the direction of wind flow, to be open to normal wind, and to be closed to reverse wind. In addition, since one is provided with a tilting blade which is formed shorter on the other side and longer on the other side, it is possible to prevent the backflow of the wind, and to obtain the effect that the natural ventilation can be more easily performed.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a house ventilation system to which the present invention is applied.

FIG. 2 is a longitudinal sectional view and a transverse sectional view showing a configuration of a first embodiment of a ventilation device according to the present invention.

FIG. 3 is a side view and a perspective view of main elements of a second embodiment of the ventilation device according to the present invention.

FIG. 4 is a side view and a perspective view of a main element of a third embodiment of the ventilation device according to the present invention.

FIG. 5 is a side view of a main element of a fourth embodiment of the ventilation device according to the present invention.

FIG. 6 is a longitudinal sectional view showing the configuration of a fifth embodiment of the ventilation device according to the present invention.

FIG. 7 is a longitudinal sectional view showing a configuration of a sixth embodiment of the ventilation device according to the present invention.

FIG. 8 is a partial sectional view showing the configuration of a seventh embodiment of the ventilation device according to the present invention.

FIG. 9 is a partial cross-sectional view showing a configuration of an eighth embodiment of the ventilation device according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 House 16, 17 Living room 21, 22 Ventilation opening 23-25 Flexible duct 30 Ventilation device 31 Frame 31D Slit 31E Cut 32 Partition plate 33 Ventilation opening 34 Intake part 35 Exhaust part 36, 37 Intake opening 41, 44 Connection tube 51 Mounting Member 52 Centrifugal blower 61 Shielding plate 71 Electrical box 81, 91 Shutter

Claims (8)

[Claims] 1. A ventilator in which a blower is mounted inside a frame provided with an intake section having a plurality of intake ports and an exhaust port, wherein a blower is provided between the blower inside the frame and the intake section. A ventilation plate provided with a partition having a rectangular ventilation port, and the intake ports are dispersedly arranged on a frame plate facing the frame body in a longitudinal direction of the ventilation port. And a connection plate for connecting a duct to the intake port from outside of the frame body, and a connecting cylinder for connecting a duct to the intake port. The ventilation device according to claim 1, wherein a screw hole is provided in which the shield plate and the connection tube can be attached and detached and exchanged. 3. The screw hole is provided at a position equally divided in a circumferential direction as viewed from the center of the intake port, and the screw hole is used commonly for mounting the shielding plate and the connection cylinder.
A ventilator according to claim 1. 4. A part of a range corresponding to an edge portion of the intake port is connected to the main body, and most of the range is separated from the main body, and the suction port is connected by applying an external force to a frame plate in the divided area. The ventilation device according to any one of claims 1 to 3, wherein the portion is formed by separating the portion. 5. The air blower according to claim 1, wherein the blower is a centrifugal blower, a rotating shaft of the blower is horizontally installed, and the ventilation port is provided on an intake side of the blower. Ventilation equipment. 6. An electric box for accommodating a control device of the blower is mounted below the blower, and the ventilation port is provided at a position deviated from an installation position of the blower. A ventilator according to claim 1. 7. The ventilation device according to claim 1, wherein a shutter for preventing backflow is provided at the intake port. 8. The shutter according to claim 1, wherein the shutter is substantially balanced in weight with respect to an axis perpendicular to the direction of wind flow, and is open to normal wind.
The ventilation device according to claim 7, further comprising a tilting wing one of which is short and the other is long so as to be closed against a headwind.