JP5864944B2 - Indoor air exhaust system using roof exhaust tower for attic ventilation - Google Patents

Description

  The present invention relates to an indoor air discharge system using a roof exhaust tower for ventilation in a hut.

  Using a roof exhaust tower for ventilation of the attic that discharges the air in the attic to the outside, one end of the duct is arranged in the roof exhaust tower, and the other end of the duct is connected to the ceiling of the room through the attic A ventilation system that exhausts indoor air from a roof exhaust tower through a duct while using the roof exhaust tower for attic ventilation has been conventionally known.

JP 2002-266443 A

  However, if the indoor air that is going to be exhausted from the roof exhaust tower is hot air in the room when you can't open the window during the summer day, open the window after returning home, It is necessary to send air into the duct vigorously with a strong fan, but if it does so, it will be sent into the roof exhaust tower through the duct and turned to the side at the ceiling surface in the roof exhaust tower. The problem is that a part of the air is sent to the side of the hut without being exhausted outside through the exhaust port provided on the side of the roof exhaust tower, increasing the humidity of the shed. Arise.

  When sleeping in the summer, the outdoor air is actively drawn into the room without relying on the air conditioner, so if the indoor hot air is forced into the duct with a strong fan, It is easy for the department to be sent to the back of the hut.

  Moreover, in the conventional system configuration, fixing the duct end in the roof exhaust tower is very troublesome in construction, and it is not easy to fix the duct end in the existing roof exhaust tower. there were.

  In view of the above-described problems, the present invention can effectively suppress or prevent indoor air that has been sent into the duct with a strong fan and being sent into the duct behind the cabin. In addition, it can be realized easily with a simple configuration, and the duct end in the roof exhaust tower can be fixed regardless of whether the roof exhaust tower is an existing one. It is another object of the present invention to provide an indoor air exhaust system using a roof exhaust tower for roof ventilation that can be facilitated.

The above problem is provided with a roof exhaust tower for exhausting the air behind the attic, and a fan and duct for exhausting the indoor air,
In the roof exhaust tower, an adapter having a tubular portion for connecting a duct is provided so that the tubular portion is directed in the vertical direction, and the duct is connected to the tubular portion of the adapter through the back of the shed. By driving the fan, the indoor air is sent into the roof exhaust tower through the duct, and is turned to the side at the ceiling surface in the roof exhaust tower, and is provided on the side surface of the roof exhaust tower. Exhausted to the outside through the exhaust port, and indoor air is exhausted, and
The adapter connecting tubular portion includes an area of the passage in the side of the hut ventilation passage surrounded by the outer peripheral surface portion of the tubular portion and the inner wall surface portion surrounding the exhaust passage in the exhaust tower. A horizontal plate that projects to the side so as to block the part is provided, and when indoor air is discharged by driving the fan, the indoor air discharged through the duct is sent from the roof exhaust tower to the back of the hut The overhanging horizontal plate portion is configured to suppress or prevent the overhanging horizontal plate portion of the attic ventilation passage by natural ventilation when the fan is not driven. It is solved by an indoor air exhaust system using a roof exhaust tower for ventilation in the attic , which passes through the roof exhaust tower through the unobstructed part and is discharged outside. (First invention).

In this system, the connecting tubular portion of the adapter is provided with the overhanging horizontal plate portion as described above, and when the indoor air is discharged by driving the fan, the indoor air discharged through the duct is discharged from the roof exhaust tower. The overhanging horizontal plate portion suppresses or inhibits the air from being sent into the back of the shed, so even if the indoor air is sent into the duct with a strong fan, the indoor air will remain in the shed. Can be effectively suppressed or prevented from being fed into the chicken.

  Moreover, in order to fix the duct end in the roof exhaust tower, an adapter provided with a duct connecting tubular part is adopted, and a projecting horizontal plate part is provided on the connecting tubular part of the adapter, Since the adapter is configured to have both the role of fixing the duct end in the roof exhaust tower and the formation of the overhanging horizontal plate, the indoor air is sent to the side of the shed. It can be suppressed or prevented by a simple configuration, and if an adapter is installed in the roof exhaust tower, a horizontal plate part is formed in the roof exhaust tower at the same time, making it easy to construct the horizontal plate part Can be done.

In the first aspect of the invention, the adapter is provided with a retaining portion for attaching an inner wall surface in the roof exhaust tower to the side, and an exhaust passage surrounded by the inner wall surface in the roof exhaust tower is seen in a plan view. It has a square shape,
When the adapter is accessed from the back of the hut, the mounting latching portion is raised while being positioned at the corner of the exhaust passage in the roof exhaust tower, and is rotationally displaced, so that the mounting latching portion becomes the roof exhaust tower. It is preferable that the inner wall surface of the inner wall is advanced to the hook and the inner wall surface is hooked to the hook to form an attached state (second invention).

  According to this, the installation and installation of the adapter in the roof exhaust tower can be easily performed by accessing from the back of the hut, and by using this adapter, the roof exhaust tower is already installed. Regardless of whether or not the duct end portion can be easily fixed in the roof exhaust tower.

  Since the present invention is as described above, it is possible to effectively suppress or prevent the indoor air that has been vigorously sent into the duct with a strong fan and being sent into the side wall of the cabin. Moreover, it can be easily realized with a simple configuration. Further, it is possible to easily fix the duct end portion in the roof exhaust tower regardless of whether the roof exhaust tower is an existing one.

Fig. (A) is a front view showing the overall configuration of the system of the embodiment, Fig. (B) is a front view showing the inside of the roof exhaust tower, Fig. (C) is a plan view showing the mounting state of the adapter, and Fig. (D) is It is a graph which shows the drive control method of a fan. Drawing (a)-figure (C) are the front views and top views showing how to attach an adapter etc. FIGS. 1A and 1B are a front view and an enlarged front view of a main part showing an operation state during exhaust heat from the room. FIGS. 1A and 1B are a front view and a main part enlarged front view showing a state of ventilation in a cabin at normal times.

  Next, embodiments of the present invention will be described with reference to the drawings.

  In the system of the embodiment shown in FIGS. 1 (a) and (b), 1 is a roof exhaust tower, and the air in the shed 3 is a combination of the roof exhaust tower 1 and the eaves vent 2 under natural ventilation. It is discharged outside through the roof exhaust tower 1.

  In addition, an air suction port 5 for exhausting indoor air is provided in the ceiling portion of the chamber 4 below the roof 3, and the air suction port 5 and the roof exhaust tower 1 are connected by a duct 6 through the roof 3. Then, by driving the fan 7, the air in the chamber 4 is sent into the roof exhaust tower 1 through the duct 6 from the suction port 5, and turns to the side at the ceiling surface portion 1 a in the roof exhaust tower 1. The air is exhausted outside through an exhaust port 1b provided in a side surface of the roof exhaust tower 1.

  In order to fix the end of the duct 6 in the roof exhaust tower 1, an adapter 8 having a duct connecting tubular portion 8a is arranged in the roof exhaust tower 1 so that the tubular portion 8a is directed in the vertical direction. The end of the duct 6 is fitted into the cylindrical portion 8a of the adapter 8 and is fastened to the adapter 8 with a screw or tape (not shown), so that the end of the duct 6 is a cylinder of the adapter 8. It is connected to the shape part 8a.

The upper end of the connecting tubular portion 8a of the adapter 8 has an inner wall that surrounds the outer peripheral surface portion of the tubular portion 8a and the exhaust passage 1c in the exhaust tower 1 as shown in FIGS. and the attic ventilation passage 1e Nogawa surrounded by surface portions 1d, horizontal plate portion 8b projecting laterally so as to block a portion is provided in the area of the passage 1e, indoor air by driving the fan 7 At the time of discharge, the overhanging horizontal plate portion 8b suppresses or prevents the indoor air discharged through the duct 6 from being sent from the inside of the roof exhaust tower 1 to the side of the cabin back 3, and the fan 7 is When not driving, the air in the shed passes through the roof exhaust tower 1 through the portion of the shed ventilation passage 1e that is not blocked by the overhanging horizontal plate portion 8b by natural ventilation, It is designed to be discharged.

  Then, in order to attach the adapter 8 to the roof exhaust tower 1 in a holding state, the protruding horizontal plate portion 8b of the adapter 8 is hooked as a hook portion for mounting extending radially outward from the horizontal plate portion 8b. Four plate parts 8c are provided at intervals in the circumferential direction, and the exhaust passage 1c surrounded by the inner wall surface part 1d in the roof exhaust tower 1 has a shape in plan view. As shown in FIGS. 2 (a), 2 (b) and 1 (c), 8 is a position where the retaining plate portions 8c... By raising and rotating, the retaining plate portions 8c... Advance into the wall of the inner wall surface 1d in the roof exhaust tower 1 and are hooked on the wall of the inner wall surface 1d. It can be formed. If the hook part 8d is provided at the tip part of each of the retaining plate parts 8c, it is possible to prevent the adapter 8 from turning around and coming off.

  The inner wall surface 1d inside the roof exhaust tower 1 to which each of the retaining plate portions 8c is hooked is, for example, the upper end portion of the inner cylinder portion forming the inner wall of the roof exhaust tower 1. Alternatively, it may be a louver or a drainage vent provided near the upper end. Reference numeral 8e denotes an insect net, and the insect net 8e is provided at the upper end of the connecting tubular portion 8a of the adapter 8 so as to cover the entire upper end opening.

  The end of the duct 6 may be connected by attaching the adapter 8 in the roof exhaust tower 1 and then connecting the duct 6 to the adapter 8. Alternatively, the adapter 8 connected to the duct 6 may be connected to the roof exhaust tower. You may make it attach in 1.

  In the above-described system, as shown in FIGS. 4A and 4B, the air in the back of the hut 3 is sent into the roof exhaust tower 1 through the periphery of the duct 6 by natural ventilation, and the adapter 8 After passing over the overhanging horizontal plate portion 8 b, the direction is changed to the side at the ceiling surface portion 1 a in the roof exhaust tower 1, and it is discharged outside through the exhaust port 1 b provided on the side surface portion of the roof exhaust tower 1.

  Then, after going home, the hot air in the room when you can't open the window during the summer day is opened, and the window is opened. As shown in FIGS. 6, the air is sent into the roof exhaust tower 1 through the duct 6, and turns to the side at the ceiling surface portion 1 a in the roof exhaust tower 1. The air is exhausted to the outside through the exhaust port 1b provided on the side surface of the roof, and the remaining part is sent to the side of the cabin 3 but the amount of air that is sent to the side of the cabin 3 is small. Further, the passage air is restrained by the protruding horizontal plate portion 8b of the adapter 8 so that the indoor air discharged through the duct 6 is prevented from being sent from the roof exhaust tower 1 to the side of the hut 3. . Alternatively, the indoor air whose direction has been changed to the side at the ceiling surface portion 1 a in the roof exhaust tower 1 is provided entirely on the side surface portion of the roof exhaust tower 1 by the blocking action by the overhanging horizontal plate portion 8 b of the adapter 8. It is discharged outside through the exhaust port 1b, and indoor air is prevented from being sent into the cabin back 3.

  The same is true when the outside air is actively drawn into the room without relying on the air conditioner at bedtime in summer.

  In addition, 9 is a switch, and the switch 9 may be an on / off switch with a strength switching function that is operated manually, or when the room 4 or the like is provided with an outside air intake for exhaust heat, As shown in FIG. 1 (d), when the temperature in the chamber 4 exceeds a set temperature, for example, 30 ° C., the fan 7 is automatically held in the strong exhaust heat operation mode. A temperature switch or the like that performs control to maintain the weak operation mode may be used.

As described above, in the above system, the projecting horizontal plate portion 8b is provided in the duct connecting tubular portion 8a of the adapter 8, and when the indoor air is discharged by driving the fan 7, the indoor air discharged through the duct 6 is exhausted from the roof. Since the overhanging horizontal plate portion 8b suppresses or prevents the inside of the hut 3 from being sent to the side of the hut 3 from the inside of the tower 1, the air in the chamber 4 is vigorously increased with the fan 7 being strong. Even if it is sent to the roof, it is possible to effectively suppress or prevent the indoor air from being sent to the side of the cabin 3 and to prevent the humidity of the cabin 3 from being raised.

  Moreover, in order to fix the end of the duct 6 in the roof exhaust tower 1, an adapter 8 having a duct connecting tubular portion 8 a is employed, and the horizontal plate portion is extended to the connecting tubular portion 8 a of the adapter 8. 8b is provided, and the adapter 8 is configured to have both the role of fixing the end of the duct 6 in the roof exhaust tower 1 and the formation of the overhanging horizontal plate portion 8b. Can be prevented or prevented by a simple configuration, and if the adapter 8 is installed in the roof exhaust tower 1, the roof exhaust tower 1 can be simultaneously removed. The overhanging horizontal plate portion 8b is formed inside, and the overhanging horizontal plate portion 8b can be easily formed.

  In particular, the adapter 8 can be lifted by rotating the displacement of the latch plate 8c while being located at the corner of the exhaust passage 1c in the roof exhaust tower 1 by accessing the back of the hut 3 from the outside. Since the inner wall surface in the roof exhaust tower 1 advances to the hook 8c and the inner wall surface is hooked on the hook to form an attachment state, the adapter 8 is installed in the roof exhaust tower 1 The roof can be easily constructed by accessing the back of the hut 3 and thus the roof exhaust tower 1 can be used regardless of whether or not the roof exhaust tower 1 is an existing one by using the adapter 8. The end of the duct 6 can be easily fixed inside.

DESCRIPTION OF SYMBOLS 1 ... Roof exhaust tower 1a ... Ceiling surface part 1b ... Exhaust port 1c ... Exhaust passage 1d ... Inner wall surface part 1e ... Back of hut ventilation passage 3 ... Back of hut 4 ... Room 6 ... Duct 7 ... Fan 8 ... Adapter 8a ... Tubular shape for connection Part 8b ... Overhang horizontal plate part 8c ... Hook plate part (Hook part)

Claims (2)

A roof exhaust tower for ventilating the attic that exhausts the air behind the attic is provided, and a fan and duct for exhausting the indoor air are provided.
In the roof exhaust tower, an adapter having a tubular portion for connecting a duct is provided so that the tubular portion is directed in the vertical direction, and the duct is connected to the tubular portion of the adapter through the back of the shed. By driving the fan, the indoor air is sent into the roof exhaust tower through the duct, and is turned to the side at the ceiling surface in the roof exhaust tower, and is provided on the side surface of the roof exhaust tower. Exhausted to the outside through the exhaust port, and indoor air is exhausted, and
The adapter connecting tubular portion includes an area of the passage in the side of the hut ventilation passage surrounded by the outer peripheral surface portion of the tubular portion and the inner wall surface portion surrounding the exhaust passage in the exhaust tower. A horizontal plate that projects to the side so as to block the part is provided, and when indoor air is discharged by driving the fan, the indoor air discharged through the duct is sent from the roof exhaust tower to the back of the hut The overhanging horizontal plate portion is configured to suppress or prevent the overhanging horizontal plate portion of the attic ventilation passage by natural ventilation when the fan is not driven. An indoor air exhaust system using a roof exhaust tower for ventilation in the attic , which passes through the inside of the roof exhaust tower and is discharged outside through a portion not blocked by the roof. The adapter is provided with a mounting latching part for hooking the inner wall surface in the roof exhaust tower to the side, and the exhaust passage surrounded by the inner wall surface in the roof exhaust tower has a shape in plan view. And
When the adapter is accessed from the back of the hut, the mounting latching portion is raised while being positioned at the corner of the exhaust passage in the roof exhaust tower, and is rotationally displaced, so that the mounting latching portion becomes the roof exhaust tower. The indoor air discharge system using a roof exhaust tower for ventilation in a hut, according to claim 1, wherein an inner wall surface of the inner wall is advanced to a hook and the inner wall surface is hooked on the hook.

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