JP2006112736A - Ventilation device, ventilation system and dwelling house structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ventilation device capable of simplifying a structure for supplying outside air into a room without directly exposing a resident thereto while keeping a good quality of appearance. <P>SOLUTION: A rectification plate 12 guiding air is provided on the indoor side of an air supply passage of a box part 6, a ventilation opening part 13 is formed in a side wall part 6S of the box part 6, and a shutter 14 is provided on the opening part 13. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a ventilation device, a ventilation system, and a house structure.

  As a conventional ventilation device, an outside air introduction fan installed on a wall is known. This outside air introduction fan has a cylindrical portion for introducing air into the room and a box-shaped box portion for supplying outside air into the room, and a rear surface of the box portion. The cylindrical part is connected to a circular opening formed in the part, and the cylindrical part is protruded rearward.

  A motor is stored inside the cylindrical portion of the outside air introduction fan, and the motor is fixed to a support arm inside the cylindrical portion. A propeller fan is fixed to the rotating shaft of the motor, and a number of slit holes through which air passes are formed on the front surface of the box body. When the motor is rotated, the propeller fan rotates, air outside the building is introduced into the cylindrical portion, and outside air blows out into the room from the slit hole in the front portion of the box portion.

  However, in such an outside air introduction fan, since the outside air is blown out from the front of the box body toward the front in the perpendicular direction, there is a problem that cold outside air directly hits a resident and feels cold in winter.

  Therefore, a first slit hole extending in the horizontal direction is formed in the front surface portion of the box body portion, and a decorative plate is installed on the front surface portion of the box body portion so as to be movable up and down. When a large second slit hole is formed and the decorative plate is moved up and down, the first slit hole and the second slit hole are connected to weaken the wind pressure and blown into the room or sealed to introduce outside air. Other times, outside air is prevented from entering the room by atmospheric pressure or wind pressure.

  In addition, in the type of providing a decorative plate on the front surface of the box body portion described above, the decorative plate is installed so as to be movable in the front-rear direction of the box body portion, and the decorative plate is positioned so as to be in close contact with the box body portion, There is one in which the decorative plate can be positioned away from the box.

In this type, when the decorative plate is pulled away from the box body portion, the indoor air can be exhausted to the outside of the building through the gap between the decorative plate and the solid portion. In addition, when the decorative plate is brought into close contact with the box, the space between the decorative plate and the solid portion is closed, the air passage is blocked, air outside the building does not enter the room, and no condensation occurs on the decorative plate. It is like that.
JP-A-8-338650

  However, in the type in which the decorative plate is brought into close contact with or separated from the box body portion described above, it is necessary to have a mechanism for moving the decorative plate in the front-rear direction, and the mechanism becomes complicated, and when taking in outside air Since it protrudes from the box to the indoor side, there is a problem that it does not look good.

  The present invention has been made paying attention to such a problem, and in the case where a decorative board is provided on the box body, the mechanism for changing the air blowing direction is simplified, and is difficult to see from the outside. The purpose is to improve the appearance.

  In order to solve the above problems, a first ventilator of the present application has a box part through which air can flow, a rectifying member that changes a blowing direction is provided on the indoor side of the box part, and the box A ventilation opening is formed between the air flow passage and the flow regulating member, and a rotation member is provided to rotate the ventilation opening so as to be openable and closable.

  The ventilator according to claim 2 of the present application is the ventilator according to claim 1, wherein the rotating member is installed so as to be rotatable about a rotating shaft, and the rectifying member is provided from a side wall portion of the box body portion. It is formed so as to protrude outward.

  The ventilation system according to claim 3 of the present application includes an air supply means for supplying outdoor air into the room and an exhaust means for exhausting indoor air to the outdoors, and the air supplied from the air supply means is exhausted to the exhaust system. A ventilating system for exhausting air from the means and exchanging air in the building, wherein at least one of the air supply means and the exhaust means is the ventilator according to any one of claims 1 and 2. To do.

  A housing structure according to claim 4 of the present application is characterized by including the ventilation device according to any one of claims 1 and 2 or the ventilation system according to claim 3.

  According to the first ventilator of the present invention, since the ventilation opening is formed between the box body and the rectifying member, when the outside air is supplied or when the room air is exhausted, the outside air is directly It is possible to prevent the air outside the building from directly entering the room and hitting the resident while hitting the resident or while the blower is stopped. In addition, since the rotation member is provided in the ventilation opening, the opening and closing of the side ventilation opening can be adjusted.

  According to the second ventilation device of the present application, the rotating member of the ventilation opening can hide the side edge of the shutter from the front side of the ventilation device even when the ventilation opening is opened. And the design of the front part of the box part of the ventilator does not change, and there is no sense of incongruity.

  According to the ventilation system of the present application, either the first or the second ventilation device may be used to supply the outside air, or the air may be exhausted, and a plurality of ventilation devices may be installed in the building. It may be installed and an air flow path may be formed through an undercut or the like of a building doorway. Further, when one of the plurality of ventilation devices is an air supply device and the other is an exhaust device, an air flow path can be formed through an undercut or the like of a doorway of a building, and a first type ventilation system can be configured. .

  According to the ventilation structure of a building of the present application, similarly to the ventilation system, a ventilation structure that forms an air flow path through an undercut or the like of a doorway of the building can be configured, and the indoor aesthetics are not uncomfortable. Moreover, you may comprise the air flow path through the undercut of the doorway of a building, etc. by using one side of several ventilation apparatus as an air supply apparatus and the other as an exhaust apparatus.

  Hereinafter, a ventilation device, a ventilation system, and the like according to the best mode of the present invention will be described with reference to the drawings. The ventilator, the ventilating system, and the like are applied to at least one of the supply of outside air into the room and the exhaust of indoor air to the outside of the building. The present invention is applied to an air supply fan device 1 that supplies outside air. It is desirable for the air supply fan device 1 to prevent the outside air from directly hitting the occupant, while reducing the airflow resistance as much as possible to reduce the blowing pressure loss.

  FIG. 1 shows an air supply fan device 1 according to this embodiment. The air supply fan device 1 is installed in an opening 3 formed on a wall surface 2 of a building, and includes a sleeve 4 attached to the opening 3, a cylindrical portion 5 attached to the sleeve 4, And a box portion 6.

  The cylindrical part 5 and the box part 6 communicate with each other, and the outside of the building and the inside of the building communicate with each other through the cylindrical part 5 and the box part 6. A pair of semicircular support frame portions 7S that hold a fan motor 7 that rotationally drives the fan 8 are provided inside the cylindrical portion 5, and a holding space portion that is circular by combining the pair of support frame portions 7S. The fan motor 7 is held by the motor. A fan 8 is attached to the rotating shaft of the fan motor 7. When the power switch (not shown) is turned on, the fan motor 7 is rotated, and the fan 8 is rotated so that outside air is taken into the cylindrical portion 5 from the outside of the building and sent into the box portion 6. A front portion of the cylindrical portion 5 is a flange 5F, and a rib 5R is formed on the outer peripheral portion of the flange 5F.

  The back surface portion of the box body portion 6 formed in a rectangular frame shape when viewed from the front is closed by the flange 5F of the cylindrical portion 5, and the rib 5R of the cylindrical portion 5 is the back surface of the box body portion 6. It is fitted to the part. The box body portion 6 is installed along the wall surface 2 by ribs 5R. An internal space that leads from the cylindrical portion 6 to the box body portion 6 is an air passage 9 for introducing outside air.

  Columnar portions 10 extending in the vertical direction are formed on the front sides of both sides of the box body portion 6, and a filter 11 is attached between the left and right columnar portions 10. The horizontal cross section of the left and right columnar portions 10 has a substantially “L” shape, and is formed so that the corner portion of “L” is located on the center side of the box body portion 6. A frame-shaped space formed by the upper plate portion 6U (see FIG. 2), the lower plate portion 6L (see FIG. 2) and the left and right side wall portions 6S of the box body portion 6 communicates with the cylindrical portion 5. Cylindrical protrusions 12A (see FIG. 1) for attaching the rectifying plate 12 project from the front edge portions of the upper plate portion 6U and the lower plate portion 6L of the box body portion 6. The rectifying plate 12 is a rectifying member in the claims.

  The filter 11 is fitted into and attached to the space between the upper plate portion 6U, the lower plate portion 6L, and the left and right columnar portions 10. The filter 11 is formed of a net or mesh so as to filter the air supplied into the room by the fan 8 and remove dust, insects and the like contained in the air. The entire filter 11 is curved in an arc shape.

  A rectifying plate 12 is attached in front of the filter 11 via a gap that leads to the ventilation opening 13. As shown in FIGS. 5 and 6, a pin (not shown) is formed on the rectifying plate 12, and the pin is inserted into the hole of the protrusion 12 </ b> A to fix the rectifying plate 12. Alternatively, a screw hole (not shown) may be provided in the rectifying plate 12, a screw may be inserted into the screw hole, and the tip of the screw may be screwed into the hole of the protruding portion 12A to fix the rectifying plate 12. The rectifying plate 12 has an arc cross section that matches the shape of the filter 11, and a gap that continues to the vent opening 13 is formed between the rectifying plate 12 and the columnar portion 10.

  The ventilation openings 13 are formed on both sides of the box body 6. The ventilation opening 13 has an elongated shape that extends over the entire height of the side wall of the box body 6. The radius of curvature of the rectifying plate 12 is set to be larger than the radius of curvature of the filter 11, and the distance between the central portion of the rectifying plate 12 and the central portion of the filter 11 is larger than the distance between both sides of the rectifying plate 12 and both sides of the filter 11. It is formed as follows. For this reason, the air passing through the filter 11 strikes the back surface of the rectifying plate 12 and is guided to the left and right vent openings 13. Since the width of the central portion of the rectifying plate 12 is narrower than that of the both sides, the flow rate of air is high, and the flow rate of the air flows is reduced when it is discharged from the vent opening 13 into the room.

  Rotating shutters 14 are respectively installed inside the left and right columnar portions 10. The shutter 14 is a rotating member of the present invention. The shutter 14 opens and closes the ventilation openings 13 formed on the left and right sides of the box body 6, and can be closed to shut off the air when the outside air is not supplied to the room. As shown in FIGS. 3A and 3B, when the ventilation opening 13 is closed, the shutter 14 is flat so that a continuous surface can be formed at the same height as the side wall 6S of the box 6. Is formed.

  As shown in FIG. 2, bearing plates 14 </ b> A and 14 </ b> B are formed at the upper and lower end portions of the shutter 14 to rotate, and a shaft 15 is projected from the upper bearing plate 14 </ b> A. The shaft 15 is rotatably held in a hole 15A of the upper plate portion 6U of the box body portion 6. A circular mounting hole 16 is formed in the lower bearing plate 14 </ b> B, and the split claw portion 18 of the dial 17 is press-fitted into the mounting hole 16. The split claw portion 18 passes through the mounting hole 19 of the lower plate portion 6L of the box body portion 6 and is bent and returned to the inside of the groove so as to pass through the mounting holes 19 and 16 so that it cannot be dropped off. .

  4A, 4B and 4C show the shape of the dial 17 and the recess 22 to which the dial 17 is attached. An arc-shaped guide groove 20 is formed on the surface facing the lower plate portion 6L of the dial 17, and click holes 21 for fixing the opening angle of the shutter 14 are formed at both ends of the guide groove 20. A recess 22 corresponding to the thickness of the dial 17 is formed on the lower surface corner of the lower plate portion 6L of the box body portion 6, and a protrusion 23 fitted into the guide groove 20 is formed on the surface of the recess 22. When the dial 17 is rotated, the shutter 14 rotates to open and close the ventilation opening 13, but when the projection 23 enters the click hole 21, the shutter 14 closes or opens the ventilation opening 13. Hold posture. A groove extending in the thickness direction for opening and closing the shutter 14 is formed on the outer periphery of the dial 17.

  3A and 3B show the rotating state of the shutter 14. As shown in FIGS. 3A and 3B, the length of the shutter 14 in the rotational radius direction is substantially the same as the width of the ventilation opening 13, and the shutter 14 is connected to the side wall 6 </ b> S of the box body 6. The ventilation opening 13 is completely closed when the air opening 13 is rotated to the same height. Further, a stopper portion 12S is provided on the rectifying plate 12 side so as to support the shutter 14 that blocks the ventilation opening 13 so that the shutter 14 does not protrude outward from the ventilation opening 13.

  An edge 12T of the current plate 12 protrudes laterally from the side wall 6S so that the ventilation opening 13 cannot be seen even from a position obliquely separated (for example, 45 °) from the front center of the box body 6. It may be. If comprised in this way, regardless of opening and closing of the shutter 14, even if it sees from diagonally, there is no design change of the box-body part 6 main body, and a discomfort does not arise.

  As described above, according to the air supply fan device 1, the current plate 12 that guides air is installed on the indoor side of the air passage of the box body 6, and the ventilation opening is formed in the side wall 6 </ b> S of the box 6. Since the portion 13 is formed and the shutter 14 is provided in the ventilation opening 13, when the outside air is supplied into the room, the outside air is directly applied to the occupant, or the outside air of the building is directly applied while the blower is stopped. It is possible to prevent entering into the room and hitting a resident. In addition, since the shutter 14 is provided in the ventilation opening 13, the opening / closing of the ventilation opening 13 can be adjusted.

  Further, a click hole 21 into which the projection 23 is fitted is provided at an intermediate position of the guide groove 20, and the shutter 14 is fixed at the intermediate position by turning the dial 17. The air volume may be adjusted by adjusting.

  In addition, the shutter 14 of the ventilation opening 13 is pivotable, and even when the ventilation opening 13 is opened, the ventilation opening 13 can be hidden from view from the front side of the air supply fan device 1. The design of the front surface portion of the box body portion 6 of the air supply fan device 1 does not change, and a sense of incongruity does not occur.

  Next, a ventilation system using the air supply fan device 1 will be described. FIG. 7 shows a ventilation system in which the above-described air supply fan device 1 is attached to a building (house structure) 23 and ventilation is possible for 24 hours. In the ventilation system of FIG. 7, the air supply fan device 1 is attached to the upper wall of the living room R1 on the first floor, and the exhaust fan device 30 is attached to the upper wall of the toilet R2, the washroom R3, the bathroom R4, etc. on the first floor. It has been. The air supply fan device 1 is attached to the upper part of the walls of the second floor rooms R5 and R6, and the exhaust fan device 30 is attached to the upper part of the walls of the second floor corridor R7 and the toilet R8.

  On the first floor, the air supplied from the air supply fan device 1 to the living room R1 is led to the toilet R2, the washroom R3, and the bathroom R4 through the undercut portion U and the louver portion D provided at the lower part of the door, and the exhaust fan device. 30 is exhausted outdoors. On the second floor, air introduced from the air supply fan device 1 into the rooms R5 and R6 is exhausted to the outside by the exhaust fan device 30 in the hallway R7 through the undercut portion U provided at the lower part of the door of the room R5. Further, the air introduced from the air supply fan device 1 in the living room R6 is exhausted to the outside by the exhaust fan device 30 in the corridor R7 through the undercut U, and is led to the toilet R8 through the gallery portion D to be exhausted. It is exhausted outdoors by the device 30.

  In this building, a ventilation system 31 on the first floor and the second floor is independently configured by the air supply fan device 1 and the exhaust fan device 30, and the ventilation target portion of the entire house is constructed by the ventilation system 31 on the first floor and the second floor. Continuous ventilation is performed continuously or intermittently so as to satisfy a predetermined number of ventilations (for example, 0.5 times / hour). This ventilation system may be installed not only in a detached house but also in a housing complex such as a condominium.

  The ventilation system 31 may supply air that takes in outside air only by the air supply fan device 1 and exhausts the air naturally. In addition, a plurality of air supply fan devices 1 may be installed in a building, An air flow path may be formed through an undercut of the doorway. Further, when one of the plurality of ventilation devices is the air supply fan device 1 and the other is the exhaust fan device 30, an air flow path can be formed through an undercut or the like of the doorway of the building. Can be configured.

  According to the ventilation structure of this building, similarly to the ventilation system, it is possible to configure a ventilation structure that forms an air flow path through the undercut U or the like of the doorway of the building, and does not give a sense of incongruity to the aesthetics of the room. Moreover, you may comprise the air flow path through the undercut U etc. of the doorway of a building by making one side of several ventilation apparatus into an air supply apparatus, and the other as an exhaust apparatus.

  In the above-described embodiment, the air supply fan device 1 is used as a ventilation device. However, the present invention may be applied to the exhaust fan device 30 that exhausts air from the room to the outside, and does not have a blower fan. You may apply to the natural air inlet which supplies external air indoors.

  Although the ventilation openings 13 of the box 6 are provided on both side walls and opened and closed by the shutters 14, the ventilation openings 13 are provided in the upper plate 6U, the lower plate 6L, etc., and these upper plates 6U. Alternatively, the ventilation opening 13 of the lower plate portion 6L may be configured to be opened and closed by the shutter 14. In addition, the dials 17 as the operation units are provided on the shutters 14 on both sides, but a connection member such as a link member is provided to connect the operation member and the plurality of shutters 14, or the plurality of shutters 14 are connected by a link member or the like. They may be connected and opened and closed using an operating member such as a single dial.

Sectional drawing of the air supply fan as a ventilation apparatus concerning embodiment of this invention. FIG. 2 is a longitudinal sectional view in the vicinity of a shutter of the air supply fan of FIG. 1. (A) and (b) are horizontal sectional views of the vicinity of the shutter of FIG. 1, (a) is a sectional view of the state where the ventilation opening is closed by the shutter, and (b) is the ventilation opening being closed by the shutter. Sectional drawing of a state. (A) (b) (c) is a figure which shows the structure of the dial vicinity, (a) is a figure which shows the shape of the corner | angular part of a dial installation part. (B) is a figure which shows the surface shape of a dial, (c) is a figure which shows the shape of the box part bottom part which installs a dial. It is a perspective view of the air supply fan of FIG. 1, and is a perspective view in a state in which a ventilation opening is closed with a shutter. It is a perspective view of the air supply fan of FIG. 1, and the exploded perspective view of the state which opened the ventilation opening part with the shutter. Explanatory drawing of the building provided with the ventilation system using the air supply fan of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Supply air fan apparatus 5 Cylindrical part 6 Box part 8 Fan 11 Filter 12 Current plate (rectifier member)
13 Ventilation opening 14 Shutter (rotating member)
17 Dial

Claims (4)

  A box body portion through which air can be ventilated, a rectifying member for changing a blowing direction is provided on the indoor side of the box body portion, and a ventilation opening is formed between the box body portion and the rectifying member; A ventilator characterized in that a rotation member is provided for rotating the ventilation opening so as to be openable and closable.   The ventilator according to claim 1, wherein the rotating member is rotatably installed around a rotating shaft, and the rectifying member is formed to protrude outward from a side wall portion of the box body portion. Ventilator characterized by that.   An air supply means for supplying outdoor air into the room; and an exhaust means for exhausting the indoor air to the outdoors. The air supplied from the air supply means is exhausted from the exhaust means to A ventilating system for performing replacement, wherein at least one of the air supply means and the exhaust means is the ventilator according to any one of claims 1 and 2. A residential structure comprising any one of the ventilation device according to claim 1 or the ventilation system according to claim 3.

Images