JP2010203648A - Bathroom ventilation drying heater - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily attach and detach a filter during the cleaning of the filter of a bathroom ventilation drying heater, and to improve the cleaning performance of the filter without causing the drop of dust to the inside of a bathroom. <P>SOLUTION: This bathroom ventilation drying heater includes: a decorative panel 4 covering an opening 1c on the under surface of a body 1 and having a suction port 5 formed thereat to suck indoor air; and a filter assembly 12 provided in the suction port 5 of the decorative panel 4. The filter assembly 12 includes a filter frame 11 having the filter 11a and a filter guide 12 for holding the filter frame 11. The filter assembly 12 and the suction port 5 of the decorative panel 4 include: a filter guide opening/closing means for mounting the filter assembly 12 so as to freely open and close it; and a filter frame holding means for holding the filter frame so that the filter frame 11 is inclined at a predetermined angle from the filter guide 12 by deadweight when the filter assembly 12 is opened. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

The present invention relates to a bathroom ventilation / drying heater suitable for bathroom ventilation / heating and clothes drying.

Along with the popularization of unit baths and the like, ventilation and heating that are installed in bathrooms to improve comfort, and further, bathroom ventilation drying heaters that dry clothes by using the bathroom and making it dry are popular. Many of these bathroom ventilation / drying heaters are equipped with a heater, and the heater is not clogged, and regular maintenance is performed in the bathroom to prevent a decrease in air volume and an increase in noise level. A filter is provided at the suction port for sucking air. This filter employs a configuration in which a filter guide is provided on the decorative panel, in which a filter attaching / detaching port is formed in the decorative panel and a filter frame inserted from the filter attaching / detaching port is guided and arranged toward the inner surface of the suction port ( For example, see Patent Document 1).
As another configuration, a filter frame provided with a filter is arranged on a suction grill provided on the decorative panel and sucks in indoor air, and when the handle provided on the suction grill is pressed with a finger, the locking claw is elastically deformed. In some cases, the suction grille pawls come off the lock receiving part of the decorative panel, and the suction grille opens with the bearing part of the decorative panel as a fulcrum. Further, the filter frame is provided with fitting pieces on the upper and lower end surfaces, and the suction grille is provided with a notch for fitting the fitting piece. A configuration is adopted in which the periphery of the fitting piece of the frame is elastically deformed to fit or remove the fitting piece from the notch (see, for example, Patent Document 2).

JP-A-8-280998 JP-A-2-223740

However, in the configuration as in Patent Document 1, the filter attachment / detachment opening is near the ceiling of the bathroom, and the filter frame must be inserted on a stepladder or bathtub, and the filter frame and the filter attachment / detachment opening are in contact with each other. Or the gap is narrow, and the sliding operation is not easy, and there is a disadvantage that the workability such as attachment / detachment of the filter is poor. In addition, because the filter frame is slid onto and removed from the decorative panel, when the filter frame is removed from the decorative panel, the filter with dust or dirt attached to the filter attachment opening on the decorative panel is in contact. There was also a problem that dust, dust, etc. dropped into the bathroom.
In addition, since the filter frame is removed while elastically deforming the filter frame and the suction grille when the filter frame and the suction grille are attached and detached, the structure of Patent Document 2 is attached to the filter when the filter frame returns to its original shape due to elastic force. There was a drawback that dust or dust dropped into the bathroom or bathtub. Further, when the filter frame is mounted, the filter frame fitting piece is fitted into the notch of the suction grill while elastically deforming the filter frame, so that the positioning is not easy and the work is difficult. Furthermore, when the suction grille is opened downward, there is a problem that dust held in the filter falls into the bathroom.

  The present invention has been made to solve the above-described problems. The first object of the present invention is to reduce the weight of the filter frame when the filter guide having the filter frame is opened from the decorative panel during filter cleaning. Therefore, it is possible to provide a bathroom ventilating / drying heater that can be easily detached and attached with one hand and can improve the cleanability of the filter in high-altitude work.

  The second purpose is to prevent dust and dirt attached to the filter from falling into the bathroom and contaminating the bathroom or bathtub when the filter guide is opened to remove the filter or when the filter is removed. Is to do.

In the bathroom ventilation dryer / heater according to the present invention, a decorative panel in which an opening on the lower surface of the main body is covered and an air inlet for sucking indoor air and an air outlet for blowing air into the room are formed; A filter assembly for removing dust and dust, the filter assembly including a filter frame having a filter function and a filter guide for holding the filter frame, wherein the filter assembly and the suction port of the decorative panel include the filter A filter guide opening / closing means for freely opening and closing the assembly; and a filter frame holding means for holding the filter frame inclined at a predetermined angle from the filter guide by its own weight when the filter assembly is opened. .

  In the present invention, the filter guide having the filter frame can be easily opened and closed from the decorative panel, and the filter frame having the filter is held at a predetermined angle. Positioning is easy and the filter cleanability can be greatly improved. Furthermore, it prevents dust, dust, etc. from falling into the bathroom when the filter frame is removed.

It is a perspective view of the bathroom ventilation drying heater which shows Embodiment 1 of this invention. It is a perspective view of the filter guide which shows Embodiment 1 of this invention. It is a perspective view of the decorative panel which shows Embodiment 1 of this invention. It is sectional drawing of the fitting state of the decorative panel and filter guide which show Embodiment 1 of this invention. It is sectional drawing of the state which the fitting of the decorative panel and filter guide which show Embodiment 1 of this invention removed. It is sectional drawing in the state where the filter guide which shows Embodiment 1 of this invention opened. It is a perspective view in the state where the filter frame which shows Embodiment 1 of this invention inclines. It is a fragmentary sectional view of the filter frame which shows Embodiment 1 of this invention. It is an external view at the time of mounting the filter guide which shows Embodiment 1 of this invention to a panel. It is the elements on larger scale of the decorative panel of the filter guide deceleration means which shows Embodiment 1 of this invention. It is a fragmentary sectional view of the decorative panel and filter guide of the filter guide reduction means showing the first embodiment of the present invention. It is a fragmentary sectional view of the decorative panel and filter guide of the filter guide reduction means showing the first embodiment of the present invention. It is a fragmentary sectional view of the decorative panel and filter guide of the filter guide reduction means showing the first embodiment of the present invention.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a bathroom ventilation drying / heating machine according to the present invention will be described in detail with reference to the drawings. The present invention is not limited to the embodiments described below.

  FIG. 1 is a perspective view showing an appearance of a bathroom ventilation drying / heating apparatus according to Embodiment 1, which is installed on a ceiling of a bathroom in an actual installation state, and is viewed from the bathroom side in the installation state in FIG. The state is shown in a perspective view. Moreover, the bathroom ventilation drying heater shown in FIG. 1 represents the thing of the 2 or 3 room type which installs a main body in a bathroom and can respond also to ventilation, such as a toilet and a washroom. The bathroom ventilation dryer is not limited to this type, and other types such as a one-room type only in the bathroom and a type capable of interlocking operation with a heat exchange type ventilation fan have been developed.

1 of FIG. 1 shows a box-shaped main body, and a ventilation fan 2 having a multi-blade blade and an electric motor is incorporated therein. In addition, air inlets 3a and 3b are provided on the side surface of the main body 1, and are ducted to a washroom and a toilet, respectively, to ventilate the room. Although these 3a and 3b are not shown, a plurality of main body side surfaces 1a and 1b are provided, and it is possible to select the direction of intake and the number of intakes during construction in consideration of the layout of the house. It is possible to ventilate from only one bathroom to three rooms such as bathroom, bathroom, and toilet. A lower surface side 1c of the main body 1 is opened, and a flange 1d for attaching the decorative panel 4 to the ceiling or the like is provided around the opening 1c at the opening end. In the actual installation state, the decorative panel 4 appears on the bathroom side. The surface of the decorative panel 4 is provided with a suction port 5 for sucking in the air in the bathroom, and 5a of the suction port 5 is a ventilation suction port, and is communicated with the ventilation fan 2 of the main body 1 from the suction port 5a. A ventilation ventilation path 6 leading to the exhaust port 7 is provided. The ventilation ventilation path 6 may be provided with a ventilation damper 6a for closing the air path. An exhaust port 7 is provided on the side surface 1a or 1b of the main body 1, and the exhaust port 7 communicates with the outside through a duct pipe or the like, and the ventilation fan 2 from the intake ports 3a and 3b and the ventilation inlet port 5a. The air sucked by the air is exhausted from the exhaust port 7 to the outside. The exhaust port 7 is not shown, but the main body side surfaces 1a and 1b are provided with duct connection locations of a plurality of exhaust ports 7 so that the exhaust direction can be selected during construction.
Further, the main body 1 includes a circulation fan 8 composed of multiblade blades and an electric motor, and a superheater 9 is incorporated downstream of the circulation fan 8. 5 b provided in the suction port 5 of the decorative panel 4 is an opening of the circulation suction port, and is provided at a position facing the suction port of the circulation fan 8. The air sucked by the circulation blower 8 communicates with the circulation blower 8 and the superheater heater 9 from the circulation suction port 5b, and passes through the circulation air passage 8a blown into the bathroom from the blowout port 10 provided on the decorative panel 4. Forming.

  The function of the bathroom ventilation drying / heating apparatus configured as described above will be described. When the above-described ventilation fan 2, circulation fan 8, and superheater 9 are all operated, the bathroom ventilation drying / heating device exhausts the humidity of the bathroom to the outside of the room and blows out hot air from the outlet 10 to the bathroom. Drying and clothing drying are possible. Further, when the circulation fan 8 and the superheater 9 are operated, it functions as a bathroom heater and can heat the bathroom in winter. Furthermore, in addition to these functions, it is possible to operate according to the application throughout the year, such as a ventilation operation by the operation of only the ventilation fan 2, and a cool wind operation in summer by the operation of the ventilation fan 2 and the circulation fan 8. In addition, the thing provided with the ventilation damper 6a in the ventilation ventilation path 6 from the suction inlet 5a is normally open, and the ventilation damper 6a is ventilated in the bathroom, but in order to prevent the cold wind feeling in winter, the ventilation damper By closing 6a, ventilation can be closed only in the bathroom. Furthermore, a type having a function such as mist heating provided with a mist generating device, and a function for improving comfort by providing a 24-hour ventilation function in response to planned ventilation can be added. These operations are performed by a dedicated controller or the like.

Next, a detailed configuration will be described.
In FIG. 1, a filter assembly 12 is provided in the suction port 5 of the decorative panel 4. The filter assembly 12 includes a filter guide 12a and a filter frame 11 having a filter 11a inside thereof, and the filter frame 11 is held by the filter guide 12a. Further, the filter guide 12a of the filter assembly 12 is configured such that one side of the filter guide 12a is pivotally supported and fixed to the suction port 5 and can be freely opened and closed. The filter guide 12a has an opening communicating with the suction port 5 formed in a gallery shape. When the filter guide 12a is completely closed, the surface of the filter guide 12a is flush with the decorative panel 4. It is arranged in the recess of the suction port 5 of the panel 4.

  FIG. 2 is a perspective view showing the filter guide 12a, which shows a case where the filter frame 11 is removed. FIG. 3 is a perspective view of the decorative panel 4 when the filter guide 12a is removed. 2 and 3, a shaft 13 serving as a fulcrum when the filter guide 12a is opened and closed freely with the decorative panel 4 is disposed at one end in the longitudinal direction, and the other end is fitted and fixed to the decorative panel 4. A hooking claw 14 is provided. On the other hand, the decorative panel 4 is provided with a groove portion 13a into which the shaft 13 of the filter guide 12a is fitted, and a claw receiving portion 15 into which the hooking claw 14 is fitted. It has the press part 16 connected to. The claw receiving portion 15 is configured to be elastically deformed obliquely upward when the pressing portion 16 is pressed.

Next, the opening / closing operation of the filter guide 12a will be described.
4, 5, and 6 are partial cross-sectional views taken along line AA of the filter assembly 12 and the decorative panel 4 shown in FIG. 1. FIG. 4 shows a state where the filter assembly 12 is attached to the decorative panel 4, and the hooking claws 14 of the filter guide 12 a are fitted and fixed to the nail receiving portions 15 of the decorative panel 4.

When the filter guide 12a is opened, FIG. 5 shows a state where the pressing portion 16 provided on the decorative panel 4 is pressed. In FIG. 5, when the pressing portion 16 is pressed, the claw receiving portion 15 that is fitted to the hooking claw 14 of the filter guide 12a escapes because the convex portion 15a is pushed inward from the convex portion 14a of the hooking claw 14. It is elastically deformed upward and the fitting with the hooking claw 14 is released.
Therefore, as shown in FIG. 6, the filter guide 12a opens downward by its own weight with the shaft 13 provided at the end as a fulcrum. In this way, the filter guide 12a is pivoted downward and opened simply by pressing the pressing portion 16, so that the work can be easily performed even at a high place.

When the filter guide 12 a is fixed to the decorative panel 4, the filter guide 12 a is lifted upward so that the filter guide 12 a is pushed by the convex portion 14 a of the hooking claw 14, and the convex portion 15 a of the nail receiving portion 15 of the decorative panel 4. Is pushed and elastically deformed obliquely upward, and the convex portion 14a of the hooking claw 14 and the convex portion 15a of the nail receiving portion 15 of the decorative panel 4 are engaged with each other. Therefore, the filter guide 12a is easily fixed to the decorative panel 4.

Next, the filter frame 11 having the filter 11a will be described.
FIG. 7 is a perspective view showing a state where the filter assembly 12 is opened from the decorative panel 4 and the filter frame 11 is mounted. The filter frame 11 has a configuration in which the filter 11a is surrounded by a frame formed of, for example, synthetic resin by integral molding, and the frame is arranged in a lattice shape for the purpose of maintaining strength. In addition, the filter frame 11 is provided with a handle 11c in the center so that it can be easily held by hand when attached and detached, and has a shape having a square notch 11b at one end in the longitudinal direction of the filter frame 11. ing.

FIG. 8 is a cross-sectional view taken along the line D-D in FIG. 7, and a rectangular cutout portion 11 b provided in the filter frame 11 includes two pieces provided in the filter guide 12 a by inserting the filter frame 11 obliquely from above. The filter frame 11 is fitted to the filter holding claw 20 and attached to the filter guide 12a. The filter holding claw 20 serves both for positioning when the filter frame 11 is mounted and for preventing the filter frame 11 from falling off the filter guide 12a easily. Further, in the filter guide 12a, the base portion of the filter holding claw 20 is provided with a protrusion 21 for pressing the base of the filter frame 11, and the protrusion 21 and the filter holding claw 20 are provided with an L shape bent outwardly to prevent the filter guide 12a ( The filter frame 11 is held at a predetermined angle. Therefore, as shown in FIG. 7, it does not fall even when the filter frame 11 is opened. The filter frame 11 can be easily attached and detached by raising the filter frame 11 at a slight angle. The end portion of the filter guide 12a supports the filter frame 11 and forms a tray 22 that receives dust attached to the filter frame 11 and dust.

The operation will be described with reference to FIGS.
When maintenance of the filter 11a is performed, first, by pressing the pressing portion 16 of the decorative panel 4 in FIGS. 4 to 6, the hooking claw 14 of the filter guide 12a and the nail receiving portion 15 of the decorative panel 4 are detached, and the filter is assembled. 12 is opened to its substantially vertical position by its own weight with the shaft 13 of the filter guide 12a as its fulcrum. When the filter guide 12a is fully opened, the filter frame 11 fixed to the filter guide 12a falls down by its own weight with the handle 11c as a weight. At this time, as shown in FIG. 8, the filter frame 11 is fitted with the filter holding claw 20 in the notch 11b, and the end of the filter frame 12 is pressed by the protrusion 21 of the filter guide 12a. It is held in a state where it is opened at a predetermined angle. At this time, since the dust and dust adhering surface of the filter frame 11 are on the upper side (in the direction of the filter guide 12a), part of the dust and dust adhering to the filter surface falls off but is received by the tray 22 of the filter guide 12a. Will not fall down. By pulling the filter frame 11 by holding the handle 20 and pulling it obliquely upward, the notch 11b of the filter frame and the filter holding claw 21 of the filter guide 12a are disengaged, and the filter frame 11 is removed and cleaned. Is possible.

In addition, after cleaning, the filter frame 11 is inserted into the filter guide 12a along the filter holding claw 20 obliquely from above, and the notch 11b and the filter holding claw 20 are fitted (see FIG. 7). Next, when the filter guide 12 is closed upward while tilting the filter frame 11 toward the filter guide 12 a, the filter guide 12 a is fixed to the decorative panel 4 by the operation opposite to the operation of detaching the filter guide 12 a and the decorative panel 4. Will be.

With the above configuration, the filter guide 12a is opened by its own weight by pressing the pressing portion 16 of the claw receiving portion 15 of the panel 4 at one place, and further, the filter frame 11 is also opened and held at a predetermined angle. It is possible to easily remove the filter frame with one hand even at high places, and it is easy to position and insert when attaching the filter, and the cleaning property can be greatly improved. Further, the filter guide 12a is provided with a receiving tray 22 for receiving dust and dust, and the filter frame itself is also tilted and held so that the dust and dust adhering surface is upward, so that the dust and dust attached to the filter frame 11 are retained. It can also prevent falling into the bathroom.

Next, a decelerating means for opening the filter guide 12a from the decorative panel 4 while maintaining a predetermined speed will be described.
FIG. 10 is a partially enlarged view of the decorative panel 4 having the speed reduction mechanism of the present invention. 11, FIG. 12 and FIG. 13 are partial cross-sectional views showing the speed reducing means of the present invention. FIG. 11 is a cross-sectional view taken along the line BB in FIG. 1, and FIGS. Represents.
As shown in FIGS. 10 and 11, the suction port 5 of the decorative panel 5 constitutes a sliding relationship between the decorative panel 4 and the end portion 12 b on the shaft 13 side of the filter guide 12 a, and on the decorative panel 4 side. Is formed in a convex shape, and a leaf spring portion 17 is configured to be elastically deformed at any time as the end portion 12b of the filter guide 12a slides. As shown in FIG. 11, the leaf spring portion 17 has a spring property at the R portion 17a, and the lever portion 17b of the leaf spring portion 17 is filtered according to the sliding of the end portion 12b as the filter guide 12a rotates. It abuts against the end 12b of the guide 12a and escapes. A plurality of leaf springs 17 are provided in accordance with the end 12b of the filter guide 12 of the decorative panel 4, and FIG. 10 and FIG.

As shown in FIGS. 10 and 12, the suction port 5 of the decorative panel 4 has a projection 18 formed in a convex shape that slides in the center of the sliding portion of the end portion 12b on the shaft 13 side of the filter guide 12a. On the other hand, a projection 19 is provided at the center of the end portion 12b on the shaft 13 side of the filter guide 12a. As shown in FIG. 12, the convex protrusion 19 of the filter guide 12a and the convex protrusion 18 of the decorative panel 4 are brought into contact with each other when the filter guide 12a is opened at a predetermined angle. It is high. The protrusion 18 is pushed upward in accordance with the rotation operation of the filter guide 12a to escape, and the lever portion 18b is elastically deformed.

FIG. 13 shows a state in which the filter guide 12a is fully opened, and the protrusion 19 of the filter guide 12a can get over the protrusion 18 of the decorative panel 4. At this time, the protrusion 18 of the decorative panel 4, the root of the R portion 17a of the leaf spring portion 17, the protrusion 19 of the filter guide 12a, and the end 12b abut each other, and the protrusion 19 and the end 12b of the filter guide 12a are The lever part 18b of the decorative panel 4 and the leaf spring part 17 are pressed by the spring force. Therefore, the filter guide 12a is held at a position where the protrusion 19 and the end 12b of the filter guide 12a are in contact with the protrusion 18 of the decorative panel 4 and the R portion 17a of the protrusion 17, respectively.

  With the configuration as described above, when the filter guide 12a is opened, the end 12b of the filter guide 12a is opened while being in contact with the leaf spring portion 17, so that the leaf spring portion 17 is opened with elastic deformation as needed. It opens while receiving the spring force of the R portion 17a of the leaf spring portion 17 with respect to the rotational movement of 12a. Furthermore, since the protrusion 19 of the filter guide 12a is slid while abutting with the protrusion 18 of the decorative panel 4 when it is opened by a predetermined angle, when the filter guide 12a is opened, the protrusion 18, The frictional force between 19 and the lever portion 18a restoring force of the protrusion 18 are also applied.

For this reason, when the filter guide 12a is opened from the decorative panel 4 by its own weight, the spring force of the leaf spring 17, the frictional force with the protrusions 18 and 19, and the restoring force of the protrusion 18b become the resistance of the opening gravity, and the predetermined speed. It keeps opening and does not open suddenly.
With the configuration described above, the filter guide 12a is opened while maintaining a predetermined speed. Further, since the impact when the filter guide 12a is opened can be reduced, the filter guide 12a is opened while dust and dirt attached to the surface of the filter frame 11 are held. It is possible to clean the filter frame 11 without dust and dirt falling into the bathroom. Furthermore, the life of each component that opens and closes the filter guide 12a can be extended without the filter 11 falling due to an impact.

  In the above configuration, the circulation fan that sucks and blows air in the bathroom, the heater that heats the air blown by the circulation fan, and the bathroom ventilation drying that discharges the air in the bathroom to the outside of the bathroom Although described using a heater, a ventilator in which a filter is provided on a panel for exhausting indoor air has the same effect.

1 body,
1a, 1b Body side surface 1c Opening 1d Flange 2 Ventilation fan
3a, 3b Inlet,
4 makeup panels,
5 Suction port 5a Ventilation suction port, 5b Circulation suction port 6 Ventilation ventilation path 6a Ventilation damper 7 Exhaust port,
8 Fan for circulation,
8a Circulating air passage 9 Heating heater,
10 outlets,
11 Filter frame,
11a filter, 11b notch, 11c handle 12 filter assembly 12a filter guide, 12b filter guide end 13 shaft,
13a Groove 14 Nail,
14a Convex part 15 Claw receiving part,
15a convex part 16 pressing part 17 leaf spring part,
17a R part 17b lever part 18 protrusion,
18a Projection of projection 18b Lever part 19 Projection, 20 Projection, 21 Projection,
22 saucer

Claims (6)

A ventilation air passage that exhausts indoor air;
A main body having a circulation air passage for circulating indoor air therein;
A circulation fan for sucking and blowing indoor air from the opening of the lower surface of the main body into the circulation air passage in the main body, a heater for heating the air from the blower, and
A ventilation fan for sucking indoor air from the opening on the lower surface of the main body into the ventilation air passage;
A decorative panel that covers the opening of the lower surface of the main body and forms a suction port for sucking room air and a blow-out port for blowing air into the room;
The suction port of the decorative panel is equipped with a filter assembly that removes air dust and dust,
The filter assembly includes a filter frame having a filter function, and a filter guide for holding the filter frame,
The suction opening of the filter assembly and the decorative panel is provided with a filter guide opening / closing means for removably attaching the filter assembly,
When the filter assembly is opened, the filter assembly is provided with a filter frame holding means for holding the filter frame inclined at a predetermined angle from the filter guide by its own weight. . 2. The bathroom ventilation dryer according to claim 1, wherein the filter frame is held such that a dust adhesion surface faces upward when held by being inclined by its own weight. The bathroom ventilating dryer / heater according to claim 1, further comprising a receiving tray for receiving dust and dust when the filter frame is inclined by its own weight at an end of the filter guide. The filter frame holding means includes a notch at an end of the filter frame, the filter guide is fitted with the notch, and the filter frame holding means holds the filter frame at a predetermined angle. It consists of a nail | claw, The bathroom ventilation drying heater in any one of Claims 1-3 characterized by the above-mentioned. The filter guide opening and closing means includes a shaft serving as a fulcrum when opening and closing at one end of the filter guide, and a hooking claw that is hooked and fitted to the decorative panel at the other end. The bathroom ventilation drying heater according to any one of claims 1 to 4, further comprising a bearing portion that holds a fulcrum of the filter guide and a claw that is fitted to the hooking claw. The suction opening of the decorative panel is provided with a filter guide opening / closing speed reduction means composed of a convex elastically deformed protrusion at a position opposite to the shaft side end of the previous filter guide. Item 6. The bathroom ventilation dryer according to any one of Items 1 to 5.

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