WO2020079851A1

WO2020079851A1 - Bathroom dryer

Info

Publication number: WO2020079851A1
Application number: PCT/JP2018/039092
Authority: WO
Inventors: 寿剛竹居; 一郎本木; 秀肇大和; 宏幸諏訪; 史吉渡邉; 洋司酒井
Original assignee: 三菱電機株式会社
Priority date: 2018-10-19
Filing date: 2018-10-19
Publication date: 2020-04-23
Also published as: JP7031008B2; CN112823266B; JPWO2020079851A1; TWI714982B; CN112823266A; TW202016475A

Abstract

This bathroom dryer (1) comprises: a body (2) that has an air blower for generating air flow; a sheet metal housing (8) that has a lower surface (23) directed downward in an installation state in which the bathroom dryer (1) is installed in an opening (20), and that surrounds the body (2); and a frame member (16) that is attached to building material and fixes the sheet metal housing (8). A protrusion (27) that protrudes downward from the lower surface (23) in the installation state is provided on the lower surface (23). The first surface (31) of the protrusion (27) which is the surface on the indoor side in the installation state is parallel to the surface (16a) of the frame material that faces the outdoor side.

Description

Bathroom Dryer

The present invention relates to a bathroom dryer capable of circulating air taken in from the bathroom to the bathroom and discharging air taken from the bathroom to the outside of the bathroom.

A bathroom dryer having a circulation port through which a circulating air flow that circulates the air taken in from the bathroom into the bathroom passes, and an exhaust port through which an exhaust flow that exhausts the air taken from the bathroom to the outside of the bathroom passes Are known. The bathroom dryer heats the air from the bathroom with a heater and sends warm air to the circulation port, the heating operation that sends the air from the bathroom to the exhaust port, and the air from the bathroom to the exhaust port. At the same time, a drying operation of sending warm air or cool air to the circulation port is performed. Patent Document 1 discloses a bathroom dryer that performs a ventilation operation, a heating operation, and a drying operation.

Chinese Patent No. 103392098

The bathroom dryer may be installed in the opening provided in the building material that separates indoor and outdoor. In the work for installing the bathroom dryer in the opening, the bathroom dryer is fixed to the frame surrounding the opening while being passed from the indoor to the outdoor. In such work, measures may be taken to prevent the bathroom dryer from falling off before the bathroom dryer is fixed. In this case, the bathroom dryer has a problem that installation work is complicated because a process for preventing the falling-off is added to the work process.

The present invention has been made in view of the above, and a bathroom dryer capable of preventing the bathroom dryer from slipping out of the opening without complicating the work for installation in the opening provided in the building material. Aim to get the opportunity.

In order to solve the above-mentioned problems and achieve the purpose, the bathroom dryer according to the present invention is installed in an opening provided in a building material that separates indoor and outdoor. The bathroom dryer according to the present invention has a main body having a blower for generating an air flow, a bottom surface facing downward in an installed state in which the bathroom dryer is installed in an opening, and a sheet metal housing surrounding the main body, A frame member attached to a building material and fixing a sheet metal housing. The lower surface is provided with a protrusion that protrudes downward from the lower surface in the installed state. In the installed state, the first surface of the protrusion, which is the surface on the indoor side, is parallel to the surface of the frame member facing the outside.

The bathroom dryer according to the present invention has an effect of preventing the bathroom dryer from slipping out of the opening without complicating the work for installing the opening in the building material.

The exploded view of the bathroom dryer concerning Embodiment 1 of the present invention. The figure which shows the airflow produced by operation of the bathroom dryer shown in FIG. The figure explaining installation of the bathroom dryer shown in FIG. The top view which shows the frame material for fixing the bathroom dryer shown in FIG. 1, and the sash to which a frame material is attached. Perspective view of the main body case of the bathroom dryer shown in FIG. Perspective view of the sheet metal housing of the bathroom dryer shown in FIG. The figure which shows the cross section in a part of sheet metal housing shown in FIG. The top view which shows a part of sheet metal housing shown in FIG. The figure which shows the state which the bathroom dryer shown in FIG. 1 is being fixed to the frame material. The figure which shows the state in case the bathroom dryer moves to the bathroom side before the bathroom dryer shown in FIG. 1 is fixed to a frame material. Exploded view of the sheet metal housing shown in FIG.

A bathroom dryer according to an embodiment of the present invention will be described below in detail with reference to the drawings. The present invention is not limited to this embodiment.

Embodiment 1.
1 is an exploded view of a bathroom dryer 1 according to a first embodiment of the present invention. The bathroom dryer 1 enables circulation of air taken in from the bathroom to the bathroom and discharge of air taken in from the bathroom to the outside of the bathroom. The bathroom dryer 1 is installed in an opening provided in a building material that separates an indoor bathroom and an outdoor area. In the following description, the installation state means a state in which the bathroom dryer 1 is installed in the opening provided in the building material.

The bathroom dryer 1 includes a main body 2 having a sirocco fan 4, a sheet metal housing 8 surrounding the main body 2, a main body base 9 provided on the bathroom side of the main body 2, and a front panel 10 attached to the main body base 9. Equipped with. The sirocco fan 4 is a blower that generates an air flow. The main body 2 has a main body case 3 that houses the sirocco fan 4. The main body case 3 is a box whose one surface on the bathroom side in the installed state is open.

The sirocco fan 4 is housed in a fan casing 5 that forms a ventilation path inside the main body case 3. A damper 6 for switching the air passage and a heater 7 for heating the air are housed in the main body case 3. The main body case 3 is provided with an exhaust port 11 through which an air flow discharged from the main body case 3 to the outside passes. The exhaust port 11 is provided on the surface of the main body case 3 that faces downward in the installed state. A flange 14 is provided at the open end of the body case 3.

In the main body case 3, an air blowing path inside the fan casing 5, a first air path for advancing the air from the fan casing 5 to the exhaust port 11, and a wind from the fan casing 5 to a circulation port 13 described later. And a second air passage for advancing. The damper 6 is arranged at a branch between the first air passage and the second air passage. The damper 6 is rotationally driven to adjust the opening degree of the first air passage and the opening degree of the second air passage. The heater 7 is arranged in the second air passage.

The main body base 9 closes the main body case 3 from the bathroom side. The main body base 9 is provided with a suction port 12 through which an air flow sucked from the bathroom into the main body case 3 by driving the sirocco fan 4 passes. The front panel 10 is attached to the body base 9 on the side opposite to the body case 3 side. The front panel 10 is provided with a circulation port 13 through which an air flow for circulating the air taken in from the bathroom into the bathroom passes.

The sheet metal housing 8 is a box body whose one surface facing the bathroom in the installed state is open. The sheet metal housing 8 covers a portion of the main body 2 that is exposed to the outside. A flange 15 is provided at the open end of the sheet metal housing 8.

2 is a diagram showing an air flow generated by the operation of the bathroom dryer 1 shown in FIG. The bathroom dryer 1 heats the air from the bathroom with the heater 7 and blows out warm air from the circulation port 13, the ventilation operation to discharge the air from the bathroom to the outside through the exhaust port 11, and the inside of the bathroom. The air is discharged from the exhaust port 11, and at the same time, a drying operation of blowing warm air or cool air from the circulation port 13 is performed. The bathroom dryer 1 drives the damper 6 to switch between heating operation, ventilation operation, and drying operation. The white arrow shown in FIG. 2 represents the air flow in the drying operation. It should be noted that FIG. 2 shows the damper 6 when blocking the first air passage and the damper 6 when blocking the second air passage.

FIG. 3 is a diagram illustrating installation of the bathroom dryer 1 shown in FIG. A part of the bathroom wall 19 is open so that the inside of the bathroom and the outside can communicate with each other. The open portion is provided with a sash 18 for attaching a window. The sash 18 is a plate member made of aluminum that constitutes a window frame, and is a building material that separates the inside of a bathroom from the outside. The sash 18 may be a plate material made of a material other than aluminum. The sash 18 is provided with an opening 20.

The bathroom dryer 1 includes a frame member 16 for fixing the bathroom dryer 1 to a sash 18. The frame member 16 is a frame-shaped plate member that borders the opening 20, and is attached to the sash 18. The sheet metal housing 8 is fixed to the frame member 16.

FIG. 4 is a plan view showing a frame member 16 for fixing the bathroom dryer 1 shown in FIG. 1 and a sash 18 to which the frame member 16 is attached. The frame member 16 is a plate member made of aluminum. The frame member 16 may be a plate member made of a material other than aluminum. The frame member 16 has an outer shape larger than the opening 20 provided in the sash 18.

An opening 17 smaller than the opening 20 is provided in the frame member 16. The opening 17 is slightly larger than the outer shape of the portion of the sheet metal housing 8 other than the flange 15 and smaller than the outer shape of the flange 15. The frame member 16 is fixed around the opening 20 of the sash 18. The bathroom dryer 1 may be attached to a building material other than the sash 18.

The flange 14 of the main body case 3 is fixed to the surface of the flange 15 of the sheet metal housing 8 on the bathroom side. The position of the bathroom dryer 1 is determined by making the surface of the flange 15 parallel to the surface 16a of the frame member 16 and contacting the frame member 16. As shown in FIG. 3, the front surface 16 a is a surface of the frame member 16 that faces the outside. The flange 15 is fixed to the frame member 16 with screws. By fixing the flange 15 to the frame member 16, the bathroom dryer 1 is fixed while being positioned in the opening 20.

FIG. 5 is a perspective view of the main body case 3 included in the bathroom dryer 1 shown in FIG. The main body case 3 is a box that can accommodate the components arranged in the main body case 3, and has a flange 14 and an exhaust port 11. A resin material is used for the material of the main body case 3. The flange 14 is provided with a screw hole 21 through which a screw for fixing the flange 14 and the flange 15 of the sheet metal housing 8 is inserted.

FIG. 6 is a perspective view of the sheet metal housing 8 included in the bathroom dryer 1 shown in FIG. The sheet metal housing 8 is a box that can house the main body 2. The flange 15 is provided with a nut 22 into which a screw for fixing the flange 15 and the flange 14 of the main body case 3 is tightened. As a material of the sheet metal housing 8, a metal material having fire resistance and weather resistance is used. The bathroom dryer 1 can be configured to have excellent fire resistance and weather resistance by enclosing the main body 2 with the sheet metal housing 8 having fire resistance and weather resistance.

The lower surface 23 is a surface of the sheet metal housing 8 that faces downward in the installed state. On the lower surface 23, a lattice 25 is formed which constitutes a plurality of ventilation holes 24 through which the air flow from the exhaust port 11 passes. The lattice 25 is provided in a region 29 of the lower surface 23 facing the exhaust port 11. The position of the region 29 is located on the side of the lower surface 23 opposite to the side of the flange 15. By providing the grid 25 on the sheet metal housing 8, the bathroom dryer 1 discharges the airflow from the exhaust port 11 to the outside of the sheet metal housing 8 and at the same time from the outside of the sheet metal housing 8 to the sheet metal housing 8. The entry of foreign matter into the inside can be suppressed. The ventilation holes 24 are formed by punching out a plate material including the lower surface 23. The lattice 25 is a portion of the plate material including the lower surface 23 left between the ventilation holes 24.

The lower surface 23 has a drain hole 26 for discharging drain water generated by the condensation of water contained in the air to the outside of the sheet metal housing 8, and a slope for promoting the progress of the drain water to the drain hole 26. And part 28. The lower surface 23 is provided with two inclined portions 28 arranged with a region 29 in between. The inclined portion 28 is a portion in which the plate material including the lower surface 23 has a recess. The inclined portion 28 is formed by drawing. The drain hole 26 is provided in each inclined portion 28. The drain hole 26 is formed by punching out a plate material including the lower surface 23.

The lower surface 23 is provided with two protrusions 27 that protrude downward from the lower surface 23 in the installed state. The protrusion 27 is provided on the lower surface 23 between the flange 15 and the region 29. The two protrusions 27 are arranged in a direction parallel to the boundary line with the flange 15 on the lower surface 23. The protruding portion 27 is a portion in which the plate material including the lower surface 23 has a recess. The protrusion 27 is formed by drawing.

FIG. 7 is a diagram showing a cross section of a part of the sheet metal housing 8 shown in FIG. FIG. 7 shows a cross section of the portion including the lower surface 23 of the sheet metal housing 8 and including the drain hole 26 and the inclined portion 28. The inclined portion 28 is provided with an inclination that is a downward slope toward the side opposite to the flange 15 side. The drain hole 26 is provided at the bottom of each inclined portion 28. The drain hole 26 is provided with a return portion 26a for preventing rainwater from entering from the outside of the sheet metal housing 8.

FIG. 8 is a plan view showing a part of the sheet metal housing 8 shown in FIG. FIG. 8 shows a portion of the sheet metal housing 8 including the lower surface 23. Further, FIG. 8 shows a planar configuration when viewed from a direction parallel to the direction in which the two protrusions 27 are arranged.

The protrusion 27 has a trapezoidal shape in a cross section parallel to the plane shown in FIG. The longer line segment of the two parallel line segments forming the trapezoid matches the lower surface 23. The shorter one of the two line segments is located below the lower surface 23. The protrusion 27 has a first surface 31 that is perpendicular to the lower surface 23, and a second surface 32 that is inclined with respect to the lower surface 23. The line segment perpendicular to the above two line segments among the four line segments forming the above trapezoid represents the first surface 31. The remaining one of the four line segments, the hypotenuse, represents the second surface 32. The second surface 32 has an inclination that becomes an upward slope toward the side opposite to the flange 15 side.

FIG. 9 is a diagram showing a state where the bathroom dryer 1 shown in FIG. 1 is fixed to the frame member 16. FIG. 9 shows a cross section of the frame member 16 and a plan configuration of the bathroom dryer 1. In the installed state, the lower surface 23 contacts the lower edge 17 a of the opening 17, so that the frame member 16 receives the weight of the bathroom dryer 1. In the installed state shown in FIG. 9, the surface 16a and the lower surface 23 are perpendicular to each other. The first surface 31 is parallel to the surface 16a.

The bathroom dryer 1 is fixed to the frame member 16 after the sheet metal housing 8 is passed through the opening 17 from the inside of the bathroom to the outside. In the bathroom dryer 1, the sheet metal housing 8 is placed on the edge 17a, and the lower surface 23 is slid on the edge 17a, so that the opening 17 is passed through. When the lower surface 23 is in contact with the edge 17a, a slight gap is formed between the upper edge 17b of the opening 17 and the upper surface 36 of the sheet metal housing 8.

When the lower surface 23 slides on the edge 17a and the protrusion 27 reaches the edge 17a, the second surface 32 slides on the edge 17a so that the protrusion 27 gets over the edge 17a. Since the second surface 32 is inclined, the protrusion 27 can easily get over the edge 17a.

After the protrusion 27 has passed over the edge 17a, the portion of the lower surface 23 between the protrusion 27 and the flange 15 is slid at the edge 17a, and the flange 15 reaches the frame member 16. The bathroom dryer 1 is fixed to the frame member 16 by fixing the flange 15 to the frame member 16 while the flange member 15 is in contact with the frame member 16.

Before the work for fixing the flange 15 to the frame member 16 is started, the bathroom dryer 1 is in an unstable state with respect to external force. Since it is unstable with respect to external force, bathroom dryer 1 may be returned to the bathroom side by receiving outdoor wind. In this case, the bathroom dryer 1 receives wind force and moves to the bathroom side while the sheet metal housing 8 is placed on the edge 17a due to the weight of the bathroom dryer 1.

FIG. 10 is a diagram showing a state in which the bathroom dryer 1 moves to the bathroom side before the bathroom dryer 1 shown in FIG. 1 is fixed to the frame member 16. When the bathroom dryer 1 moves to the bathroom side, the first surface 31 of the protruding portion 27 reaches the edge 17a by sliding the lower surface 23 at the edge 17a. Since the first surface 31 is perpendicular to the lower surface 23, the protrusion 27 is prevented from getting over the edge 17a. Since the protrusion 27 does not ride over the edge 17a, the bathroom dryer 1 stops moving with the first surface 31 in contact with the edge 17a. This prevents the bathroom dryer 1 from slipping off before the bathroom dryer 1 is fixed.

When the bathroom dryer 1 receives the outdoor wind with the first surface 31 in contact with the edge 17a, the entire bathroom dryer 1 rotates about the contact point between the first surface 31 and the edge 17a. There is. FIG. 10 shows a state in which the bathroom dryer 1 is tilted with the bathroom side facing down. In such a state, the first surface 31 contacts the edge 17a and the upper surface 36 contacts the edge 17b, whereby further rotation of the bathroom dryer 1 is prevented. This prevents the bathroom dryer 1 from slipping off due to rotation. When the bathroom dryer 1 is tilted with the bathroom side facing up, the bathroom dryer 1 is moved to the outdoor side to prevent the bathroom dryer 1 from slipping out.

In the first embodiment, the fact that the first surface 31 is perpendicular to the lower surface 23 means that the first surface 31 is completely perpendicular to the lower surface 23 and that it is a surface that is completely perpendicular to the lower surface 23. The case where the first surface 31 has a slight inclination with respect to the surface is also included. When the bathroom dryer 1 moves to the bathroom side with the sheet metal housing 8 placed on the edge 17a, it is possible to prevent the protrusion 27 from crossing over at the edge 17a to some extent. , The first surface 31 is a surface close to a vertical surface.

In the first embodiment, the fact that the first surface 31 is parallel to the surface 16a means that the first surface 31 and the surface 16a are completely parallel, and the first surface 31 is completely parallel to the surface 16a. The case where the surface has a slight inclination with respect to the parallel surface is also included. When the bathroom dryer 1 moves to the bathroom side with the sheet metal housing 8 placed on the edge 17a, it is possible to prevent the protrusion 27 from crossing over at the edge 17a to some extent. , The first surface 31 is a surface close to a parallel surface.

FIG. 11 is an exploded view of the sheet metal housing 8 shown in FIG. The sheet metal housing 8 has a lower surface 23, an upper surface 36, and three

side surfaces

37, 38, 39. The side surface 37 is a surface parallel to the surface 16a in the installed state. The side surface 38 and the side surface 39 are surfaces perpendicular to the surface 16a in the installed state.

The sheet metal housing 8 is formed by joining the first plate member 33, the second plate member 34, and the third plate member 35. The lower surface 23, the upper surface 36, and the side surface 37 are included in the first plate member 33. The side surface 38 is included in the second plate member 34. The side surface 39 is included in the third plate member 35.

The lattice 25, the protrusion 27, the inclined portion 28, and the drain hole 26 are collectively formed on the lower surface 23 that is one surface. By consolidating these respective parts that require molding on the lower surface 23, the bathroom dryer 1 can reduce the manufacturing cost as compared with the case where the respective parts are dispersed on a plurality of surfaces.

According to the first embodiment, the bathroom dryer 1 is provided with the protrusion 27 having the first surface 31 perpendicular to the lower surface 23 on the lower surface 23, so that the bathroom dryer 1 is prevented from falling off. Even if it is not added to the process, it is possible to prevent the frame member 16 provided in the opening 20 from falling off. As a result, the bathroom dryer 1 can prevent the bathroom dryer 1 from slipping out of the opening 20 without complicating the work for installation in the opening 20 provided in the building material. Play.

The configurations shown in the above embodiments show an example of the content of the present invention, and can be combined with other known techniques, and the configurations of the configurations are possible without departing from the gist of the present invention. It is also possible to omit or change parts.

1 bathroom dryer, 2 main body, 3 main body case, 4 sirocco fan, 5 fan casing, 6 damper, 7 heater, 8 sheet metal housing, 9 main body base, 10 front panel, 11 exhaust port, 12 suction port, 13 circulation port , 14, 15 flange, 16 frame material, 16a surface, 17 and 20 opening, 17a and 17b edge, 18 sash, 19 wall, 21 screw hole, 22 nut, 23 lower surface, 24 ventilation hole, 25 lattice, 26 drain hole, 26a return part, 27 protruding part, 28 inclined part, 31 first surface, 32 second surface, 33 first plate material, 34 second plate material, 35 third plate material, 36 upper surface, 37, 38, 39 side surface.

Claims

A bathroom dryer installed in an opening provided in a building material that separates indoors and outdoors,
A main body having a blower for generating an air flow,
A sheet metal casing having a lower surface directed downward in the installed state in which the bathroom dryer is installed in the opening, and surrounding the main body;
A frame member attached to the building material and fixing the sheet metal housing,
Equipped with
The lower surface is provided with a protrusion that protrudes downward from the lower surface in the installed state,
A bathroom dryer, wherein a first surface of the protrusion, which is a surface on the indoor side in the installed state, is parallel to a surface of the frame member facing the outdoor.
The bathroom dryer according to claim 1, wherein the first surface is perpendicular to the lower surface.
The protrusion has a second surface located on the side opposite to the indoor side with respect to the first surface in the installed state,
The bathroom dryer according to claim 1 or 2, wherein the second surface has an inclination that is an upward slope toward the side opposite to the indoor side in the installed state.
The bathroom dryer according to any one of claims 1 to 3, wherein the protrusion is a portion of the plate including the lower surface having a recess.
5. The lower surface is provided with a drain hole for discharging drain water to the outside of the sheet metal housing, and a vent hole through which an air flow from the main body passes. The bathroom dryer according to any one of 1.