JP7049621B1 - Exhaust device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an exhaust device which can be arranged even when the floor space of a living room is small and can be arranged even in a living room where it is difficult to perform installation work outside the room.
SOLUTION: The exhaust device 100 is an exhaust device 100 that exhausts air from the room to the outside, and houses a plate member 10 fixed to a window frame 210 of a window 200 that separates the room and the outside, and an exhaust unit 30. The storage box 20 and the exhaust unit 30 are included. The plate member 10 has an opening 11. The exhaust unit 30 exhausts air through the opening 11. Further, the storage box 20 is configured such that the exhaust unit 30 can be attached to and detached from the indoor side.
[Selection diagram] Fig. 1

Description

The present invention relates to an exhaust device.

Conventionally, an exhaust device that exhausts air from indoors to the outside is known. For example, Patent Document 1 discloses a negative pressure device that negatively pressures the inside of an infection control room. The housing of the negative pressure device is arranged in an opening provided in a part of the window so as to project to the outside of the room. In addition, a bracket is arranged on the outer wall surface of the hospital room. Then, the portion of the housing of the negative pressure device that protrudes to the outside is fixed to the bracket. Then, the negative pressure device discharges the air in the room through the opening. As a result, the pressure inside the room is reduced to negative pressure. This makes it possible to prevent the air contaminated by the pathogen from leaking out of the room even when the infectious disease patient is indoors.

Japanese Unexamined Patent Publication No. 2005-164147

Since the housing of the conventional negative pressure device (exhaust device) as described in Patent Document 1 is arranged in a part of the window, even if the space on the floor of the infection control room is small, An exhaust system can be installed. However, in the configuration of the negative pressure device described in Patent Document 1, in order to arrange the housing of the negative pressure device in a part of the window, a bracket is arranged on the outer wall surface of the hospital room, and the housing is placed on the bracket. Need to be fixed. For this reason, it is not possible to arrange a negative pressure device (exhaust device) in an infection control room where it is difficult to perform installation work outside the room, such as when windows are placed at a height of the second floor or higher. There is a problem.

This disclosure was made in order to solve the above-mentioned problems, and it is possible to arrange the floor even if the floor space of the living room is small, and it is difficult to perform the installation work outside the room. It is an object of the present invention to provide an exhaust device that can be arranged even in a living room.

In order to achieve the above object, the exhaust device according to one aspect of the present disclosure disclosed below is a plate member fixed to a window frame of a window separating the indoor and outdoor areas, and has an opening. A plate member, an exhaust unit arranging member fixed to the plate member, an exhaust unit arranged in the exhaust unit arranging member, and an exhaust unit that exhausts air from the room to the outside through the opening. The exhaust unit arranging member is configured such that the exhaust unit can be attached to and detached from the indoor side.

According to the configuration of the above aspect, the exhaust device can be arranged even when the floor space of the living room is small, and can be arranged even in the living room where it is difficult to perform the installation work outside the room. Can be provided.

FIG. 1 is a perspective view schematically showing the configuration of the exhaust device 100 according to the first embodiment. FIG. 2A is a cross-sectional view of the exhaust device 100 according to the first embodiment. FIG. 2B is a cross-sectional view for explaining attachment / detachment of the exhaust unit 30 in the first embodiment. FIG. 3 is a view of the exhaust device 100 according to the first embodiment as viewed from the room to the outside. FIG. 4 is a view of the exhaust device 100 according to the first embodiment as viewed from the outside to the inside. FIG. 5 is a perspective view schematically showing the configuration of the exhaust device 400 according to the second embodiment. FIG. 6A is a cross-sectional view of the exhaust device 400 according to the second embodiment. FIG. 6B is a cross-sectional view for explaining attachment / detachment of the exhaust unit 430 in the second embodiment. FIG. 7 is a view of the exhaust device 400 according to the second embodiment as viewed from the room to the outside. FIG. 8 is a cross-sectional view of the exhaust device 300 according to the first embodiment and the second embodiment.

Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. The present disclosure is not limited to the following embodiments, and design changes can be appropriately made within the scope of satisfying the configuration of the present disclosure. Further, in the following description, the same reference numerals are commonly used between different drawings for the same parts or parts having similar functions, and the repeated description thereof will be omitted. In addition, the configurations described in the embodiments and modifications may be combined or modified as appropriate. Further, in order to make the explanation easy to understand, in the drawings referred to below, the configuration is shown in a simplified or schematic manner, or some constituent members are omitted.

[First Embodiment]
FIG. 1 is a perspective view schematically showing the configuration of the exhaust device 100 according to the first embodiment. FIG. 2A is a cross-sectional view of the exhaust device 100. FIG. 2B is a cross-sectional view for explaining the removal of the exhaust unit 30. FIG. 3 is a view of the exhaust device 100 viewed from the room to the outside. FIG. 4 is a view of the exhaust device 100 viewed from the outside to the inside.

As shown in FIG. 1, the exhaust device 100 is arranged, for example, in a window 200 of a living room of a medical facility or a hospital room of a medical facility. The exhaust device 100 is not limited to this, and can be arranged in a living room or a hospital room used by a patient with an infectious disease including, for example, a new type coronavirus (COVID-19). The exhaust device 100 is a negative pressure device that lowers the air pressure in the living room or the hospital room by exhausting the air from the living room or the hospital room to the outside through the window 200 to create a negative pressure room. Hereinafter, the living room or the hospital room will be described as "negative pressure room R". The window 200 is a window that separates the negative pressure chamber R from the outside of the negative pressure chamber R. In the first embodiment, the outside of the negative pressure chamber R is described as the outside, but the outside of the negative pressure chamber R may be a corridor in the facility or another living room (a living room that is not the negative pressure chamber R). May be.

Conventionally, when a living room or a hospital room that is not generally designed as a negative pressure room is converted into a negative pressure room by using an exhaust device, the work of making a hole for arranging an exhaust duct in the wall of the living room or the hospital room is performed. I had to do it. On the other hand, the exhaust device 100 of the first embodiment is configured to be detachably attached to the window frame 210 of the window 200. Thereby, even if the living room or the hospital room is not designed as a negative pressure room, the living room or the hospital room can be easily changed to the negative pressure room R by attaching the exhaust device 100 to the window frame 210 of the window 200. Further, when returning the negative pressure chamber R to a living room or a hospital room having a normal atmospheric pressure (restoring to the original state), in the first embodiment, the exhaust device 100 may be removed from the window frame 210 toward the room. Easy to recover.

[Structure of each part of negative pressure device]
As shown in FIG. 1, the exhaust device 100 includes a device support portion 1, an exhaust unit 30 arranged in the device support portion 1, a hood member 40, and a window frame fixing member 50.

The device support portion 1 includes a plate member 10 and a storage box 20. The plate member 10 is not limited to this, but is made of an aluminum resin composite plate (alpoly) containing aluminum and a resin material. The storage box 20 is an exhaust unit arranging member in which the exhaust unit 30 is arranged. Further, the plate member 10 is fixed to the window frame 210 of the window 200. The window frame 210 is a sash, and when the plate member 10 of the exhaust device 100 is not arranged, a window glass is arranged on the sash. Further, the plate member 10 is a flat plate. Therefore, if the size of the plate member 10 of the flat plate is adjusted by cutting or adding according to the size of the window frame 210, the exhaust device 100 can be arranged in the window frame 210 of any size. It will be possible. Further, when the window frame 210 is arranged on a rail (not shown), both the exhaust device 100 and the window frame 210 are provided in the same manner as when a general window glass is arranged on the window frame. It can be moved on rails.

Further, in the first embodiment, the plate member 10 is detachably fixed to the window frame 210 by the window frame fixing member 50. The window frame fixing member 50 includes a screw 51, a bracket 52, and a rubber member 53 (Grechan). The rubber member 53 is arranged in the gap between the window frame 210 and the plate member 10. By arranging the rubber member 53 in the gap between the window frame 210 and the plate member 10, the plate member 10 is fixed to the window frame 210. Further, the bracket 52 is arranged so as to straddle the plate member 10 and the window frame 210. Then, the bracket 52 and the plate member 10 are fixed by the screw 51, and the bracket 52 and the window frame 210 are fixed by the screw 51, so that the window frame 210 and the plate member 10 are fixed. That is, the screw 51 and the bracket 52 are reinforcing members for fixing the plate member 10 to the window frame 210. Further, when the exhaust device 100 is removed from the window frame 210, the plate member 10 can be removed from the window frame 210 indoors by removing the screw 51 from the bracket 52 and removing the rubber member 53.

Further, the plate member 10 is provided with an opening 11 at, for example, a central portion in the vertical direction and a central portion in the horizontal direction. In the figure, the Z1 direction is the upward direction, the Z2 direction is the downward direction, the X1 direction is the direction from the outside to the room, and the X2 direction is the direction from the room to the outside. Then, when viewed in the X1 direction, the right direction is the Y1 direction and the left direction is the Y2 direction.

As shown in FIG. 2A, the storage box 20 is fixed to the indoor surface 10a of the plate member 10. Further, the hood member 40 is fixed to the outdoor surface 10b of the plate member 10. The storage box 20 and the hood member 40 are arranged so as to sandwich the plate member 10 from both indoor and outdoor sides. The storage box 20 includes a tubular portion 21 and a flange 22 projecting outward from the end of the tubular portion 21 on the plate member 10 side. The tubular portion 21 has an outdoor opening 21a connected to the opening 11 of the plate member 10 and an indoor opening 21b. Further, as shown in FIG. 3, the tubular portion 21 has a rectangular shape when viewed from the room to the outside. Further, as shown in FIG. 2A, the hood member 40 includes a tubular portion 41 and a flange 42 protruding outward from the end portion of the tubular portion 41 on the plate member 10 side. The tubular portion 41 includes an indoor opening 41a connected to the opening 11 of the plate member 10 and an outdoor opening 41b.

As shown in FIG. 3, the flange 22 is formed so as to project from the tubular portion 21 in each of the vertical direction and the horizontal direction (four directions). As shown in FIG. 4, the flange 42 is formed so as to project from the tubular portion 41 in each of the vertical direction and the horizontal direction (four directions). Further, a gap is closed between the flange 22 and the plate member 10 and between the flange 42 and the plate member 10 with a caulking agent. This makes it possible to prevent air from leaking from the gap between the plate member 10 and the storage box 20 and the hood member 40.

As shown in FIG. 3, a fastening member 10c composed of a bolt arranged from the flange 22 of the housing box 20 through the plate member 10 and extending over the flange 42 of the hood member 40 and a nut engaged with the bolt. , The storage box 20, the hood member 40, and the plate member 10 are fixed.

Further, as shown in FIG. 2A, an exhaust unit 30 is arranged in the accommodation box 20. As shown in FIG. 2B, the storage box 20 is configured such that the exhaust unit 30 is detachable. Specifically, the exhaust unit 30 is arranged inside the tubular portion 21 of the accommodation box 20, and the exhaust unit 30 is configured to be slidable in the X1 direction or the X2 direction inside the tubular portion 21. There is. As shown in FIG. 2A, the exhaust unit 30 is held by the seal member 23 arranged between the inner side surface 21c of the tubular portion 21 and the housing 31 of the exhaust unit 30. Further, a grip portion 31b is provided on the side surface 31a on the indoor side of the housing 31. As a result, as shown in FIG. 2B, the user or the operator grips the grip portion 31b of the exhaust unit 30 in the tubular portion 21 of the accommodation box 20 from the indoor side opening 21b, and inside the negative pressure chamber R. By pulling out (sliding in the X1 direction), the exhaust unit 30 can be taken out into the negative pressure chamber R. Then, after replacing the filter 32 in the exhaust unit 30, the exhaust unit 30 is inserted into the tubular portion 21 (sliding in the X2 direction) to replace the exhaust unit 30 after the filter 32 is replaced. It can be installed in the storage box 20. Further, as described above, since the exhaust unit 30 can be replaced from the inside of the negative pressure chamber R, even when the exhaust device 100 is arranged on the window frame 210 of the window 200 having no scaffolding outside the room, from the indoor side. The exhaust unit 30 can be replaced.

The seal member 23 is made of a non-breathable elastic member (for example, rubber packing). This makes it possible to prevent air from leaking from between the inner side surface 21c of the tubular portion 21 and the exhaust unit 30. As a result, even if there is contaminated air in the negative pressure chamber R, it is possible to prevent the contaminated air from leaking to the outside of the room.

The exhaust unit 30 includes a housing 31, a filter 32, a fan 33, and a pre-filter 34. The housing 31 is formed, for example, in the shape of a metal box, and the filter 32 and the fan 33 are arranged inside the housing 31. The filter 32 includes, for example, a HEPA filter. The fan 33 is rotated by electric power to flow air from the inside of the negative pressure chamber R toward the outside of the negative pressure chamber R, and lower the air pressure in the negative pressure chamber R. The pre-filter 34 prevents foreign matter, dust, and the like from entering the fan 33 side. The exhaust unit 30 may be provided with a compressor that compresses and discharges air instead of the fan 33. The filter 32 may be provided on the indoor side of the fan 33.

As shown in FIG. 4, the tubular portion 41 of the hood member 40 includes a wind guide wall portion 41c arranged at a position overlapping with at least a part of the exhaust unit 30 when viewed from the outside to the inside of the room. As shown in FIG. 2A, the wind guide wall portion 41c is arranged so as to be inclined with respect to the vertical direction. The air discharged from the indoor opening 41a hits the air guide wall portion 41c, so that the air (wind) is guided downward. Then, the discharged air is discharged downward from the outdoor opening 41b. Further, a net member 41d is arranged in the outdoor opening 41b. The net member 41d prevents foreign matter from entering the hood member 40.

[Second Embodiment]
Next, the configuration of the exhaust device 400 according to the second embodiment will be described with reference to FIGS. 5 to 7. FIG. 5 is a perspective view schematically showing the configuration of the exhaust device 400 according to the second embodiment. FIG. 6A is a cross-sectional view of the exhaust device 400 according to the second embodiment. FIG. 6B is a cross-sectional view for explaining the removal of the exhaust unit 430 in the second embodiment. FIG. 7 is a view of the exhaust device 400 according to the second embodiment as viewed from the room to the outside. The same components as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 5, the exhaust device 400 according to the second embodiment includes an exhaust unit arranging member 420 and an exhaust unit 430. The exhaust unit arrangement member 420 includes a left side support portion 421, a right side support portion 422, and a lower support portion 423. As shown in FIG. 6A, the left side support portion 421 and the right side support portion 422 each include a portion 420a facing the plate member 10 and a portion 420b facing the housing 431 of the exhaust unit 430. The left side support portion 421 and the right side support portion 422 have an L-shaped cross section due to the portions 420a and 420b. Further, the lower support portion 423 has an L-shaped cross section like the left side support portion 421 and the right side support portion 422. In addition, "left" and "right" are described as meaning "left" and "right" when the exhaust device 400 is viewed from the room to the outside.

Further, the portion 420a and the plate member 10 are fixed by a plurality of fastening members 410c such as screws or rivets. Further, the portion 420b and the housing 431 are fixed by a fixing member 424. The fixing member 424 is, for example, a catch clip (patch lock or buckle). As a result, the user can manually close the catch clip (see FIG. 6A) so that the left side support portion 421 and the right side support portion 422 and the exhaust unit 430 are fixed by hand. When the catch clip is opened (see FIG. 6B), the exhaust unit 430 can be released from the left side support portion 421 and the right side support portion 422. As a result, as shown in FIG. 6B, the exhaust unit 430 can be moved toward the indoor side (X1 direction) while the user grips the grip portion 31b in a state where the fixing member 424 is released. Further, by moving the exhaust unit 430 from the indoor side in the X2 direction and then closing the fixing member 424 (catch clip), the exhaust unit 430 can be easily moved to the left side support portion 421 and the right side support portion 422 of the exhaust unit arrangement member 420. Can be placed in.

As shown in FIG. 7, the left side support portion 421 is arranged along the left side 11a of the edge portion of the rectangular opening 11. Further, the right side support portion 422 is arranged along the right side 11b of the edge portion of the rectangular opening 11. Further, the lower support portion 423 is arranged along the lower side 11c of the edge portion of the rectangular opening 11. Note that FIG. 7 omits the illustration of the exhaust unit 430.

As shown in FIG. 5, the exhaust unit arranging member 420 includes a lower support member 460 and a cover member 461. In the lower support member 460, the lower end 460a is arranged on the frame portion 220 of the window 200, and the exhaust unit 430 is supported from below. For example, the lower support member 460 has a frame shape. Then, the upper end 460b of the lower support member 460 comes into contact with the housing 431 of the exhaust unit 430, and the lower end 460a comes into contact with the frame portion 220. The lower support member 460 may include a spring member that applies a force in each of the vertical directions, or a jack that applies a force in each of the vertical directions. As a result, the lower support member 460 presses the housing 431 and the frame portion 220 like a tension rod. As a result, even when the weight of the exhaust unit 430 is large, the load from the exhaust unit 430 can be distributed not only to the plate member 10 but also to the frame portion 220 by the lower support member 460. As a result, it is possible to prevent the plate member 10 from being deformed by the load of the exhaust unit 430. Further, the cover member 461 is arranged so as to cover the lower support member 460 when viewed from the room.

Also in the configuration of the second embodiment, since the exhaust unit 430 is arranged in the exhaust unit arrangement member 420 arranged in the plate member 10, the exhaust device 400 can be installed even when the space on the floor surface of the living room is small. .. Since the exhaust unit 430 is configured to be detachable from the indoor side of the exhaust unit arranging member 420, the exhaust device 400 can be arranged even in a living room where it is difficult to perform installation work on the outdoor side. .. Other configurations and effects are the same as those in the first embodiment.

[Modification example]
As described above, the above-described embodiment is merely an example for carrying out the present disclosure. Therefore, the present disclosure is not limited to the above-described embodiment, and it is possible to appropriately modify and implement the above-mentioned embodiment within a range that does not deviate from the gist thereof.

(1) In the first and second embodiments described above, an example in which the exhaust device is configured as a negative pressure device is shown, but the present disclosure is not limited to this. For example, the exhaust device may be configured as a ventilation device for the purpose of ventilation in the room.

(2) In the first and second embodiments described above, an example in which a hood member is provided in the negative pressure device is shown, but the present disclosure is not limited to this. That is, the hood member may not be provided as in the exhaust device 300 according to the modified example shown in FIG. For example, when the outdoor is not outdoors (outdoor) (inside the facility), rain, dust, etc. do not fly, so the hood member is not always necessary.

(3) In the first and second embodiments, as shown in FIG. 2A, an example in which the exhaust unit is arranged from the room to the outside is shown, but the present disclosure is not limited to this. That is, the entire exhaust unit may be arranged either indoors or outdoors.

(4) In the above first embodiment, an example in which the exhaust unit is internally slidable is shown, but the present disclosure is not limited to this. For example, the exhaust unit may be fixed to the accommodation box by a fastening member such as a screw.

(5) In the second embodiment, the exhaust unit and the support portion are fixed by a fixing member (catch clip), but the present disclosure is not limited to this. For example, the exhaust unit and the support portion may be fixed by a fastening member such as a screw.

(6) In the first and second embodiments, an example in which an aluminum resin composite plate is used as a plate member is shown, but the present disclosure is not limited to this. For example, a wooden plate, a resin plate, or a metal plate can be used as the plate member.

(7) In the second embodiment, the example in which the lower support member is arranged between the frame portion of the window and the exhaust unit is shown, but the present disclosure is not limited to this. For example, when the frame portion of the window is small, the lower support member may be arranged between the floor surface and the exhaust unit.

(8) In the second embodiment, the support portion is arranged on each of the lower side, the left side, and the right side of the edge portion of the opening, but the present disclosure is not limited to this. The support portion may be arranged on one of the lower side, the left side, and the right side, or the support portion may be arranged on the upper side of the edge portion of the opening.

Further, the exhaust device described above can be described as follows.

The exhaust device according to the first configuration is a plate member fixed to the window frame of the window separating the indoor and outdoor areas, and includes a plate member having an opening, an exhaust unit arranging member fixed to the plate member, and the exhaust unit. It is an exhaust unit arranged in the exhaust unit arrangement member, and includes an exhaust unit that exhausts air from the room to the outside through an opening. Yes (first configuration).

According to the first configuration, since the exhaust unit arranging member is arranged on the plate member fixed to the window frame and the exhaust unit is arranged on the exhaust unit arranging member, even if the space on the floor surface of the living room is small. An exhaust system can be installed. Further, since the exhaust unit arranging member is configured so that the exhaust unit can be attached and detached from the indoor side, the exhaust device can be arranged even in a living room where it is difficult to perform the installation work on the outdoor side.

In the first configuration, the exhaust unit may include a negative pressure device that exhausts air from the room to the outside to make the room negative pressure (second configuration).

According to the second configuration described above, negative pressure can be arranged even when the floor space of the living room is small, and it can be arranged even in a living room where it is difficult to perform installation work outside the room. Equipment can be provided.

In the first or second configuration, the exhaust unit arranging member is a support portion arranged along at least a part of the edge portion of the opening, and the support portion supporting the exhaust unit and the exhaust unit are attached and detached. It may include a fixing member that is possibly fixed (third configuration).

According to the third configuration, the exhaust unit can be arranged along the edge of the opening by the support portion, and the exhaust unit can be easily attached to and detached from the support portion by the fixing member.

In the third configuration, the opening has a rectangular shape in front view, and the support portion may be arranged along each of the lower side, the left side, and the right side of the edge portion of the opening (third). 4 configuration).

According to the fourth configuration, each of the lower side, the left side, and the right side of the exhaust unit can be supported by the support portion.

In the third or fourth configuration, the exhaust unit arranging member may further include a lower support member which is arranged on the frame portion or the floor surface of the window and supports the exhaust unit from below (fifth configuration).

According to the fifth configuration, even when the weight of the exhaust unit is large, the load from the exhaust unit can be distributed not only to the plate member but also to the frame portion or the floor surface by the lower support member. As a result, it is possible to prevent the plate member from being deformed by the load of the exhaust unit.

In the first or second configuration, the exhaust unit arrangement member may include a tubular portion through which the exhaust unit can slide internally (sixth configuration).

According to the sixth configuration, the exhaust unit can be easily replaced by sliding the exhaust unit with respect to the tubular portion.

In the sixth configuration, the exhaust device may further include a sealing member arranged between the inner surface of the tubular portion and the exhaust unit (seventh configuration).

According to the seventh configuration, it is possible to prevent air from leaking from between the inner surface of the tubular portion and the exhaust unit. As a result, even if there is contaminated air in the room, it is possible to prevent the contaminated air from leaking to the outside of the room.

In any one of the first to seventh configurations, the exhaust device is a hood member fixed to the outdoor surface of the plate members, and is at least one of the exhaust units when viewed from the outside to the inside. A hood member arranged at a position overlapping the portion may be further provided (eighth configuration).

According to the eighth configuration, the hood member can prevent the exhaust unit from being soiled by rain, dust, or the like.

10 ... Plate member, 10a ... Surface (indoor side surface), 10b ... Surface (outdoor surface), 11 ... Opening, 11a ... Left side, 11b ... Right side, 11c ... Lower side, 20 ... Storage box, 21 ... Cylinder Shaped part, 21c ... Inner surface (inner side surface of tubular part), 23 ... Seal member, 30,330,430 ... Exhaust unit, 31,431 ... Housing, 31b ... Grip part, 32 ... Filter, 33 ... Fan, 40 ... Hood member, 100, 300, 400 ... Exhaust device, 200 ... Window, 210 ... Window frame, 220 ... Frame part, R ... Negative pressure chamber, 420 ... Exhaust unit arrangement member, 421 ... Left side support part, 422 ... Right side Support part, 423 ... Lower support part, 424 ... Fixing member, 460 ... Lower support member

Claims (7)

A plate member that is fixed to the window frame of the window that separates the indoor and outdoor areas, and has an opening.
The exhaust unit arrangement member fixed to the plate member and
An exhaust unit arranged in the exhaust unit arranging member, comprising an exhaust unit that exhausts air from the room to the outside through the opening.
The exhaust unit arranging member is configured such that the exhaust unit can be attached to and detached from the indoor side .
The exhaust unit includes a negative pressure device that exhausts air from the room to the outside of the room to make the room negative pressure.
The negative pressure device is
With the housing
A fan arranged in the housing and exhausting air from the room to the outside.
In the housing, the filter arranged on the outdoor side of the fan and
A pair of grips projecting toward the room from the indoor side surface of the housing.
An exhaust device capable of removing the negative pressure device from the exhaust unit arranging member by gripping and pulling out the pair of grip portions . The exhaust unit arrangement member is
A support portion arranged along at least a part of the edge portion of the opening portion, the support portion for supporting the exhaust unit, and a support portion.
The exhaust device according to claim 1 , further comprising a fixing member for detachably fixing the support portion and the exhaust unit. The opening has a rectangular shape when viewed from the front, and has a rectangular shape.
The exhaust device according to claim 2 , wherein the support portion is arranged along each of the lower side, the left side, and the right side of the edge portion of the opening. The exhaust device according to claim 2 or 3 , wherein the exhaust unit arranging member is arranged on a frame portion or a floor surface of the window, and further includes a lower support member that supports the exhaust unit from below. The exhaust device according to claim 1 , wherein the exhaust unit arranging member includes a tubular portion into which the exhaust unit is slidable inside. The exhaust device according to claim 5 , further comprising a seal member arranged between the inner side surface of the tubular portion and the exhaust unit. A hood member fixed to the outdoor surface of the plate member, which is arranged at a position overlapping with at least a part of the exhaust unit when viewed from the outside to the room. The exhaust device according to any one of claims 1 to 6 , further comprising.

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