TWI664012B - Bathroom dryer - Google Patents

Abstract

The bathroom dryer includes: a blower; a main body having: a casing for containing the blower; and a suction port for passing the air drawn in from the bathroom to the shell by the action of the blower; the tray is arranged inside the bathroom of the main body And a filter unit (10), which is detachably mounted on the tray and covers the suction port. The filter section (10) includes a net (15) through which the airflow passes; and a grid section (16), which partitions the surface of the net (15) into a grid shape and fixes the net (15). The grid portion (16) has: a first portion erected from the surface of the net (15); and a second portion that is lower in height in a direction perpendicular to the surface of the net (15) than the first portion and from The first part protrudes along the net (15).

Description

Bathroom dryer

The present invention relates to a bathroom dryer which circulates the air taken in from the bathroom to the bathroom and discharges the air taken in from the bathroom out of the bathroom.

A bathroom dryer is known. The bathroom dryer includes a circulation port for passing air taken in from the bathroom to the circulating airflow circulating in the bathroom; and an exhaust port for taking in the air from the bathroom. Exhaust air from outside the bathroom passes through. The bathroom drier performs: heating operation, which uses the heater to heat the air from the bathroom and sends warm air to the circulation port; ventilation operation, which sends the air from the bathroom to the exhaust port; and drying operation, which At the same time as sending air from the bathroom to the exhaust port, warm air or cool air is sent to the circulation port. In the bathroom dryer, a suction port through which air taken in from the bathroom passes is detachably installed to remove a filter portion for removing dust flowing with the airflow from the airflow.

Patent Document 1 discloses a bathroom dryer including a removable filter unit. The filter unit is generally provided with a net through which air flows, and a grid portion constituting a grid separating the net. The dust adhering to the filter part is removed by cleaning. The bathroom dryer uses regular cleaning of the filter unit to suppress the reduction of the air volume caused by the clogging of the filter unit.

[Advanced technical literature] [Patent Literature]

[Patent Document 1] Japanese Patent No. 5460921

The filter section may break due to the external force to which each filter is subjected. The breakage of the mesh may occur inside the lattice portion when the filter is manufactured.

The present invention has been made in view of the above-mentioned developers, and an object thereof is to obtain a bathroom dryer which can reduce the number of broken wires in the filter section.

In order to solve the above-mentioned problems and achieve the purpose, the bathroom dryer of the present invention includes: a blower; a body part having: a casing for receiving the blower; and an inlet for the airflow sucked from the bathroom into the casing by the action of the blower. Pass; the tray is arranged inside the bathroom of the main body part; and the filter part is detachably mounted on the tray and covers the suction port. The filter unit includes: a net through which the airflow passes; and a grid unit that partitions the surface of the net into a grid shape and fixes the net. The grid portion includes: a first portion erected from the surface of the net; and a second portion that is lower in height in a direction perpendicular to the surface of the net than the first portion and protrudes from the first portion along the net.

The bathroom dryer of the present invention has the effect of reducing the breakage of the net in the filter section.

1‧‧‧Body

2‧‧‧Multi-wing fan

3‧‧‧ shell

3a‧‧‧side

4‧‧‧ base

5‧‧‧ plate

6‧‧‧ Suction port

7‧‧‧ circulation port

8‧‧‧ exhaust port

9‧‧‧fan motor

10‧‧‧Filter Department

11‧‧‧ heater

12‧‧‧ bezel

13‧‧‧The first wind road

14‧‧‧Second Wind Road

15‧‧‧net

16‧‧‧ Grid Department

17, 19‧‧‧ opening

18‧‧‧ claw receiving part

20‧‧‧ filter box

21‧‧‧ Heye Department

22‧‧‧Claw

23‧‧‧Vertical Line Department

24‧‧‧ horizontal line department

25‧‧‧ Recess

26‧‧‧The first end

27‧‧‧The second end

31‧‧‧Part 1

32‧‧‧Part 2

33‧‧‧Part 3

34‧‧‧ side

100‧‧‧Bathroom dryer

[Fig. 1] Fig. 1 is a diagram showing a configuration of a bathroom dryer according to Embodiment 1 of the present invention.

[Fig. 2] A perspective view showing a base and a tray included in the bathroom dryer shown in Fig. 1. [Fig.

[Fig. 3] Fig. 3 is a view showing a filter unit included in the bathroom dryer shown in Fig. 1. [Fig.

[FIG. 4] A sectional view showing a filter portion taken along a line IV-IV shown in FIG. 3. [FIG.

Hereinafter, a bathroom dryer according to an embodiment of the present invention will be described in detail with reference to the drawings. The present invention is not limited by the embodiments.

Embodiment 1

FIG. 1 is a diagram showing a configuration of a bathroom dryer 100 according to Embodiment 1 of the present invention. The bathroom dryer 100 is installed on the ceiling of a bathroom. The bathroom dryer 100 is connected to a duct arranged to connect the back of the ceiling to the outside of the bathroom. In FIG. 1, illustrations of the ceiling and the duct are omitted. The bathroom dryer 100 may be installed on a wall or a window of a bathroom.

The bathroom dryer 100 includes a main body portion 1, a multi-wing fan that is a blower 2, and a tray 5 disposed inside the bathroom of the main body portion 1. The main body portion 1 includes a housing 3 that is a box housing the multi-wing fan 2 and a base 4 that is provided inside the bathroom of the housing 3.

The main body portion 1 is composed of a casing 3, constituent elements housed in the casing 3, and a base 4. In addition, in FIG. 1, the main constituent elements housed in the housing 3 are schematically shown, and the side structures of the base 4 and the tray 5 are shown. The fan motor 9 which is a driving source of the multi-blade fan 2 and a baffle plate 12 described later are housed in the casing 3.

The multi-wing fan 2 is rotated by the driving force of the fan motor 9 and generates airflow. The base 4 is provided with a suction port 6 through which airflow drawn into the casing 3 from the bathroom by the operation of the multi-blade fan 2 passes. In addition, the base 4 is provided with a circulation port 7 through which a circulating airflow circulating the air taken in from the bathroom into the bathroom. The side surface 3a of the casing 3 is provided with an exhaust port 8 through which an exhaust flow of air taken in from the bathroom outside the bathroom passes. The exhaust port 8 is connected to a duct.

From the bathroom, the housing 3 is inserted into the back of the ceiling through an opening provided in the ceiling, and the housing 3 is arranged on the back of the ceiling. By fixing the base 4 to the housing 3, the main body portion 1 is installed on the ceiling with the suction port 6 and the circulation port 7 facing downward in the bathroom. The plate 5 covers the bottom of the base 4 Square side. The downwardly facing surface of the pan 5 is a design surface for execution design.

Inside the casing 3, a first air path 13 is provided to advance airflow from the multi-blade fan 2 to the circulation port 7; and a second air path 14 is provided to advance air flow from the multi-blade fan 2 to the exhaust port 8 . The baffle plate 12 is disposed at a branch between the first air path 13 and the second air path 14. The baffle 12 is driven by rotation to adjust the opening degree of the first air path 13 and the opening degree of the second air path 14. The heater 11 is disposed above the circulation port 7. The heater 11 heats the air advancing toward the circulation port 7.

The bathroom dryer 100 is operated as follows: heating operation, heating the air from the bathroom with the heater 11 and blowing out warm air from the circulation port 7; ventilation operation, discharging from the exhaust port 8 to the outside of the bathroom The air from the bathroom; and the dry operation, the warm air or the cool air is blown from the circulation port 7 at the same time as the air from the bathroom is exhausted from the exhaust port 8. The bathroom dryer 100 drives the baffle plate 12 to switch between heating operation, ventilation operation, and drying operation.

FIG. 2 is a perspective view showing a base 4 and a tray 5 included in the bathroom dryer 100 shown in FIG. 1. FIG. 2 shows a state where the base 4 and the disc 5 provided below the base 4 are viewed from below. An opening 17 through which circulating air flows from the circulation port 7 to the bathroom is provided in the tray 5 at a position opposite to the circulation port 7. The circulating air flow from the first air path 13 passes through the circulation port 7 and the opening 17 and then advances into the bathroom.

The bathroom dryer 100 includes a filter unit 10 that is detachably mounted on the tray 5 and covers the suction port 6. The filter portion 10 is fitted into an opening 19 provided in the disc 5. The filter unit 10 includes a net 15 through which the airflow passes, and a grid portion 16 that partitions the surface of the net 15 into a grid shape and fixes the net 15. The air flow from the bathroom to the suction port 6 passes through the net 15 of the filter unit 10 mounted on the pan 5. The filter unit 10 collects dust flowing with the airflow through a net 15, and removes dust from the airflow taken into the housing 3. With this, the bathroom dryer 100 can reduce dust entering the casing 3.

FIG. 3 is a view showing a filter unit 10 included in the bathroom dryer 100 shown in FIG. 1. The filter portion 10 includes a filter frame 20 that is an outer edge portion of the filter portion 10. The grid portion 16 is provided in a region surrounded by the filter frame 20. The grid portion 16 includes straight vertical line portions 23 and 横线 部 24。 The horizontal line portion 24. The vertical line portions 23 are parallel to each other. The horizontal line portions 24 are parallel to each other. The net 15 is separated by a plurality of vertical line portions 23 and a plurality of horizontal line portions 24. The number of the vertical line portions 23 and the horizontal line portions 24 is not limited to the number shown in FIG. 3 and is arbitrary. The net 15 is formed of a fine resin material constituting a mesh for filtering dust from an air flow. The material of the net 15 may be a material other than a resin. As the material of the lattice portion 16, a resin is used. The filter frame 20 surrounds the mesh 15 and the grid portion 16.

The first end 26 of the filter frame 20 is provided with two hinge portions 21 that are engaged with the edge of the opening 19 of the disc 5. The filter frame 20 is provided with a second recess 27 formed on the second end 27 on the side opposite to the first end 26. In the recessed portion 25, a claw portion 22 is provided. The claw portion 22 is configured to be engageable with a plate spring-like claw receiving portion 18 provided on the disc 5. In a state where the filter portion 10 is mounted on the disc 5, the hinge portion 21 is engaged with the opening 19, and the claw portion 22 is engaged with the claw receiving portion 18. The number of hinge portions 21 is not limited to two, but is arbitrary.

In a state where the filter portion 10 is mounted on the disc 5, the claw receiving portion 18 is released from below to release the engagement between the claw receiving portion 22 and the claw receiving portion 18. The fingers of the claw receiving portion 18 hook the recessed portion 25 and pull the portion on the second end 27 side of the filter portion 10 downward, whereby the filter portion 10 rotates around the first end 26. By turning the hinge portion 21 of the disc 5, the hinge portion 21 is in a state where the engagement with the opening 19 can be released. When the filter portion 10 is rotated and the filter portion 10 is pulled, the phase engagement state of the hinge portion 21 and the opening 19 is released. Thereby, the filter part 10 is detached from the disc 5. The filter unit 10 removed from the tray 5 is attached to the tray 5 according to a procedure reverse to that when the filter unit 10 is removed from the tray 5.

FIG. 4 is a cross-sectional view showing the filter portion 10 taken along the line IV-IV shown in FIG. 3. The cross section shown in FIG. 4 is a cross section including a vertical line portion 23. Each of the vertical line portions 23 and each of the horizontal line portions 24 provided in the filter portion 10 includes the same cross-sectional structure as the cross-sectional structure shown in FIG. 4. The arrow A shown in FIG. 4 indicates the upward direction from the filter portion 10 to the suction port 6. The arrow B shown in FIG. 4 indicates downward.

The vertical line portion 23 includes: a first portion 31 standing upright from the surface of the net 15; and a second portion 32 having a height lower than that of the first portion 31 in a direction perpendicular to the surface of the net 15 and from the first portion 31 along The net 15 stands out. The first portion 31 is erected on the side of the suction port 6 of the mesh 15 and on the side opposite to the side of the suction port 6 of the mesh 15. The second portion 32 is provided on the suction net 6 side of the pair of nets 15 and on the opposite side of the suction net 6 and the pair of nets 15. The grid portion 16 clamps the net 15 by the portion on the suction port 6 side of the net 15 and the portion on the opposite side of the net 15 and the suction port 6 from the first portion 31 and the second portion 32.

The first portion 31 is provided vertically from the net 15 so as to protrude upward and downward. The first portion 31 is formed so that the protrusion from the net 15 is larger than the protrusion from the net 15 downward. The upward and downward protrusions of the second portion 32 are smaller than those of the first portion 31. The second portion 32 protrudes above and below the net 15 to form a flange from the first portion 31. In the up-down direction, the thickness of the portion of the second portion 32 which is higher than the net 15 is the same as the thickness of the portion of the second portion 32 which is lower than the net 15. The net 15 is fixed by being held by the upper part of the first site 31 and the second site 32 than the net 15 and the lower part of the first site 31 and the second site 32 than the net 15. In the first embodiment, the second portion 32 is provided on the grid portion 16, and the width of the fixed portion of the net 15 with the grid portion 16 is widened compared to the case where the grid portion 16 is formed with only the first portion 31 .

In the cleaning of the filter portion 10, a force generated by a cleaning device or a brush device colliding with the force or water pressure in the case of washing with water acts on the filter portion 10. In the filter unit 10, the width of the fixed portion of the net 15 and the grid portion 16 is widened by the second portion 32, thereby reducing the breakage of the net 15 when an external force is applied to the net 15. The net 15 is held by the first site 31 and the second site 32 from both the upper side and the lower side. The filter unit 10 can reduce the breakage of the net 15 when an external force is applied to the net 15 from either one of the upper and lower sides.

The length D shown in FIG. 4 is the length from the side surface 34 of the first portion 31 to the second portion 32 of the end portion on the opposite side of the first portion 31 side from the second portion 32. The length D is 0.5 mm or more and 5 mm or less. By providing the second portion 32 with a length D of 0.5 mm or more, the filter portion 10 can be configured to withstand an external force applied during cleaning. In addition, by making the length D 5 mm or less, the bathroom dryer 100 can suppress an increase in pressure loss caused by the airflow being blocked by the filter unit 10. Bathroom dryer 100 It is possible to suppress an increase in pressure loss and suppress a decrease in air supply performance. By making the length D of the filter portion 10 from 0.5 mm to 5 mm, the filter portion 10 can reduce the breakage of the net 15 and suppress a decrease in the air supply performance.

The filter frame 20 shown in FIG. 3 has a third portion 33 which has the same cross-sectional shape as the second portion 32 and fixes the net 15. The entire system of the outer edge of the net 15 is fixed to the third portion 33.

In the manufacture of the filter portion 10, after setting the state where the mesh 15 is sandwiched by the molding elements constituting the filter frame 20 and the grid portion 16, the resin is caused to flow into the gap between the molding element and the mesh 15 and the inflowing resin is solidified. As a result, the net 15 is fixed to the grid portion 16 and the filter frame 20.

When the resin is caused to flow into the lattice portion 16, the resin flow rate decreases between the time when the resin flows from the first portion 31 to the second portion 32. In the case where the flow of the resin at the first portion 31 is high enough to cause breakage in the mesh 15, by reducing the flow speed of the resin at the second portion 32, the mesh 15 at the second portion 32 can be reduced. fracture. The filter portion 10 can reduce the breakage of the mesh 15 at the second portion 32, and thus can strengthen the fixation of the mesh 15 at the lattice portion 16. In addition, the filter unit 10 can reduce the breakage of the net 15 caused by the breakage of the net 15 in the grid portion 16 to extend outside the grid portion 16. Even if the filter unit 10 breaks in the net 15 in the first portion 31, it is possible to reduce the break in the net 15 caused by the break in the first portion 31 extending beyond the grid portion 16.

Since the filter portion 10 is provided with the third portion 33 on the filter frame 20, the width of the fixed portion of the net 15 and the filter frame 20 is widened, so that the net 15 in which an external force is applied to the net 15 can be reduced. Break. Also, like the second portion 32, the resin flow rate can be reduced in the third portion 33. The filter portion 10 can reduce the breakage of the mesh 15 at the third portion 33. The filter portion 10 can reduce the breakage of the net 15 at the third portion 33, and thereby can strengthen the fixation of the net 15 in the filter frame 20. In addition, the filter portion 10 can reduce the breakage of the net 15 caused by the breakage of the net 15 in the filter frame 20 to extend outside the filter frame 20.

The cross-sectional shape of the vertical line portion 23 and the horizontal line portion 24 may be the same as that shown in FIG. 4. Dissimilar shapes. In the first portion 31, the size of the protrusions on the upper side and the lower side of the net 15 may be the same. The second portion 32 may be provided only on one of the upper side and the lower side of the net 15. When the filter portion 10 is provided with the second portion 32 only on one of the upper side and the lower side of the net 15, an effect of reducing breakage of the net 15 can also be obtained.

According to the first embodiment, the bathroom dryer 100 is provided with the second portion 32 protruding from the first portion 31 along the net 15 to the filter portion 10, so that the breakage of the net 15 in the filter portion 10 can be reduced. Effect.

The structure shown in the above embodiment is an example showing the content of the present invention, and may be combined with other well-known technologies, and a part of the structure may be omitted or changed without departing from the scope of the present invention.

Claims (4)

A bathroom dryer is characterized by comprising: a blower; a main body comprising: a casing for accommodating the blower; and a suction port for passing airflow drawn from the bathroom into the casing by the action of the blower; It is arranged inside the bathroom of the body part; and a filter part is detachably mounted on the tray and covers the suction port; the filter part has: a net through which the airflow passes; and a grid part, The surface of the net is separated into a grid shape, and the net is fixed; the grid portion has: a first part erected from the surface of the net; and a second part of the net perpendicular The height in the direction is lower than the first portion, and protrudes from the first portion along the mesh. For example, the bathroom dryer of item 1 of the patent scope, wherein the first part is erected on the suction side of the net, and on the side opposite to the suction side of the net; the second part is provided on The suction port side of the net is provided on the side opposite to the suction port side of the net; the grid portion is based on the first portion and the second portion of the net portion and the suction port side of the net. The mesh is clamped by a portion of the mesh on the side opposite to the suction port side system. For example, the bathroom dryer according to item 1 or 2 of the patent application scope, wherein the length from the side of the first part to the end of the second part opposite to the side of the first part is 0.5 mm or more and 5 mm or less. For example, the bathroom dryer of item 1 or 2 of the patent application scope, wherein the filter part has a filter frame surrounding the net and the grid part; the filter frame has a third part, and the third part is formed with The second part has the same cross-sectional shape, and the net is fixed.