JP2002206782A - Heating and ventilating dryer unit for bathroom and dressing room - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate a mounting work of a dressing room unit and a bathroom unit for circulating and supplying warm air to two rooms (dressing room and bathroom) and to enable a removal and a maintenance of a unit for a dressing room to be conveniently executed at a fault time. SOLUTION: A heating and ventilating dryer unit 10 comprises the bathroom unit 6 for housing a circulating fan 1 for circulating the air in a bathroom 3 and a heat exchanger 5 for the bathroom, and the dressing room unit 9 for housing a circulating fan 2 for circulating the air in the dressing room 7 and a heat exchanger 8 for the dressing room. A bathroom inspection port 12 is provided at a ceiling 11 of the bathroom 3, and the bathroom unit 6 is installed in a garret 13 of the bathroom 3. The dressing room unit 9 is removably fixed to a surface 6a of the unit 6 at the port 12 side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating / ventilating / drying unit for a bathroom and a dressing room, and more particularly, to operating a heating / ventilating / drying unit for two rooms (bathroom and undressing room) mounted on a bathroom ceiling. Further, the present invention relates to a system for circulating and supplying warm air to both a dressing room and a bathroom.

[0002]

2. Description of the Related Art Conventionally, there has been known a heating / ventilating / drying machine which can perform bath pouring or post-cooking with a single water heater and further heat a bathroom or a dressing room. In this system, the bathroom heater and the undressing room heater are configured as separate units, the bathroom heater is installed above the ceiling of the bathroom, and the undressing room heater is installed above the ceiling of the undressing room. Heating and undressing room heating are performed separately.

[0003]

For this reason, conventionally, the work of installing each heater and the work of piping between the water heater and each heater are troublesome, and the maintenance is difficult.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has as its object to provide a unit for a undressing room that circulates warm air to two rooms (a undressing room and a bathroom). Another object of the present invention is to provide a heating / ventilating / drying unit for a bathroom and a dressing room, in which the work for attaching the bathroom unit and the dressing room can be easily performed, and the removal and maintenance of the unit for the dressing room can be easily performed in the event of failure. However,
Another object of the present invention is to provide a heating / ventilating / drying unit for a bathroom and a dressing room that can use the bathroom unit alone even when the dressing room unit fails. It is an object of the present invention to provide a heating / ventilating / drying unit for a bathroom and a dressing room, which can easily and securely fix the unit for the dressing room and reduce the work of attaching the unit for the dressing room behind a narrow ceiling.

[0005]

According to the present invention, a circulating fan 1 for circulating air in a bathroom 3 and the air are heated by heat exchange with hot water from a water heater 4 in the present invention. A bathroom unit 6 containing a bathroom heat exchanger 5 to be heated, a circulating fan 2 for circulating air in a dressing room 7 and a dressing room for heating the air by heat exchange with hot water from a water heater 4. In a heating / ventilating / drying unit for a bathroom and a dressing room including a dressing room unit 9 in which a heat exchanger 8 is stored, a bathroom inspection port 12 is provided in a ceiling portion 11 of the bathroom 3. It is characterized in that the bathroom unit 6 is installed on the underside of the ceiling 13 and the undressing room unit 9 is detachably fixed to the surface 6a of the bathroom unit 6 on the side of the bathroom inspection port 12. By configuring The hot water heater 4 can be used to circulate and supply warm air to both the undressing room 7 and the bathroom 3 from the bathroom unit 6 and the undressing room unit 9 installed on the ceiling 13 and two rooms (the undressing room 7, Simultaneous heating of the bathroom 3) can be realized, and if the dressing room unit 9 fails, maintenance such as removal of the dressing room unit 9 and replacement of parts can be performed easily.

The bathroom inspection port 1 of the bathroom unit 6 described above.
A duct connection port 15 to which an exhaust duct 14 to the outside is connected, and a hot water circulation pipe 1 of the water heater 4 are provided on the second surface 6a.
A circulation duct 1 communicating with the dressing room 7 is provided on a surface 9a of the unit 9 for the dressing room on the side of the bathroom inspection port 12 or a surface 9b perpendicular to this surface.
It is preferable to provide duct connection ports 19a and 19b to which 8 is connected. In this case, the connection work of the circulation duct 18 and the connection work of the hot water circulation pipe 16 can be easily performed from the bathroom inspection port 12 side. it can.

When the above-mentioned undressing room unit 9 is fixed to the bathroom unit 6, the hot water from the water heater 4 is first supplied to the undressing room heat exchanger 8, and then supplied to the bathroom heat exchanger 5. It is preferable that, when the undressing room unit 9 is removed, the hot water from the water heater 4 circulates only to the bathroom heat exchanger 5, and in this case, the undressing room 7 When heating the room, the temperature-raising property of the undressing room 7 can be prioritized, and when the undressing room unit 9 fails, it can be used exclusively for heating the bathroom.

Further, the bathroom inspection port 1 of the bathroom unit 6 described above.
The other end of the first connection pipe 24 whose one end is connected to the outward path side of the water heater 4 and the second connection pipe whose one end is connected to the entrance side of the bathroom heat exchanger 5 on the second surface 6a. 25 and the other end,
In a state where the dressing room unit 9 is fixed to the bathroom unit 6, the other end of the first connection pipe 24 of the bathroom unit 6 is connected to the inlet side of the dressing room heat exchanger 8, and the bathroom unit 6 is connected. The other end of the second connection pipe 25 is connected to the outlet of the heat exchanger 8 for the undressing room, and the other end of the first connection pipe 24 and the second end of the first connection pipe 24 in a state where the unit 9 for the undressing room is removed. Preferably, the other end of the second connection pipe 25 can be connected to each other by using the short-circuit pipe 22. In this case, the connection between the heat exchanger 8 for the undressing room and the heat exchanger 5 for the bathroom causes the undressing. A pipe that gives priority to the temperature rise of the chamber 7 can be easily realized, while
At the time of removing the dressing room unit 9, only the bathroom 3 can be driven independently using the short-circuit tube 22.

A locking piece 71 protrudes upward from the bathroom unit 6 and a hook piece 72 detachably mounted on the locking piece 71 on the undressing room unit 9.
Is provided in the bathroom unit 6 and the undressing room unit 9,
It is preferable to provide screw holes 73 and 74 for screwing the two units 6 and 9 with the hooking piece 72 hooked on the locking piece 71. In this case, the locking piece 71 is used for a dressing room. Since both the units 6 and 9 can be screwed with the hook piece 72 of the unit 9 hooked, there is no need to perform the work of screwing while supporting the dressing room unit 9 by hand behind the narrow ceiling. , Can reduce the work.

The locking piece 71 is an angle member 10 that allows the hooking piece 72 to slide in a hooked state.
Preferably, a projection 76 for aligning the screw holes 73, 74 of both units 6, 9 is provided at the longitudinal end of the angle member 10, and in this case,
The hook piece 72 of the unit 9 for the undressing room is hooked on the angle material 10, and the hook piece 72 is slid along the angle material 10 until the hook piece 72 hits the projection 76. 74 is automatically aligned,
The fixing work by the screw 75 becomes extremely easy.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings.

As shown in FIG. 1, the heating and ventilation dryer unit for a bathroom and a dressing room of this embodiment is mainly composed of a bathroom unit 6 and a dressing room unit 9. In FIG. 1, 4 is a water heater, 26 is a bathtub, 60 'is a remote controller for a bath, 61 is a remote controller for a dressing room, and 62 is a remote controller for a kitchen.

In the ceiling 11 of the bathroom 3, a bathroom inspection opening 12 is provided.
Is provided. On the ceiling 13 of the bathroom 3, a bathroom unit 6 and a dressing room unit 9 are provided side by side. The bathroom unit 6 includes a casing 27 having a rectangular shape in a plan view arranged substantially in parallel with the longitudinal direction of the bathtub 26, and a circulating fan or the like for circulating the air in the bathroom 3 inside the casing 27. A fan 1 and a bathroom heat exchanger 5 for heating air circulated by the circulation fan 1 by heat exchange with hot water from a water heater 4 are housed therein.

The undressing room unit 9 has a casing 28 smaller than the casing 27 of the bathroom unit 6, and a circulating fan such as a sirocco fan for circulating the air in the undressing room 7 inside the casing 28. 2
And the air circulated by the circulation fan 2
And a heat exchanger 8 for the undressing room, which is heated by heat exchange with hot water from the room. The dressing room unit 9 is detachably fixed to the surface 6a of the bathroom unit 6 on the side of the bathroom inspection port 12. FIGS. 4 and 5 show an example of a case where the undressing room unit 9 is attached to the surface 6 a of the bathroom unit 6 on the side of the bathroom inspection port 12. In the examples of FIGS. 4 and 5, three sides of the left and right sides and the bottom side of the casing 28 of the undressing room unit 9 are fixed with screws 60 from the outside of the bathroom unit 6. The fixing direction of the screw 60 is perpendicular to the surface 6a of the bathroom unit 6 from the bathroom inspection port 12 side, so that the work of fixing the screw 60 from the bathroom inspection port 12 can be easily performed. As shown in FIG. 5, the upper side of the casing 28 is airtightly held by a holding member 91 attached to the surface 6 a of the bathroom unit 6 via a seal material 90.

As shown in FIGS. 1 to 3, the surface 6 a of the bathroom unit 6 on the side of the bathroom inspection port 12 is provided with a duct connection port 15 of an exhaust fan 55 to which an exhaust duct 14 to the outside is connected. And a pipe insertion hole 23 into which the hot water circulation pipe 16 of the water heater 4 is inserted. Also, a surface 9a on the bathroom inspection port 12 side of the dressing room unit 9 and a surface 9b perpendicular to this surface are provided with a pair of circulation ducts 18 communicating with the air suction port 51 and the air outlet 50 of the dressing room 7. , 18 are provided with a pair of duct connection ports 19a, 19b. Thereby, the connection work of the hot water circulation pipe 16 and the connection work of the circulation duct 18 can be performed from the bathroom inspection port 12 side. In the example of FIG. 1, the duct connection ports 19a and 19b are provided at locations indicated by E and C in FIG. 2, but may be provided at locations indicated by B and D in FIG.

As shown in FIG. 6 (a), two piping holes 40 (FIG. 7) are provided on the surface 6a of the bathroom unit 6 on the side of the bathroom inspection port 12, so that the bathroom unit 6 is provided. Inside, the other end of the first connection pipe 24 whose one end is connected to the hot water circulation outward pipe 16a of the water heater 4 and one end faces the two pipe holes 40, and one end is a bathroom heat exchanger. The other end of the second connection pipe 25 connected to the input side of the second connection pipe 5 is disposed. One end of the first connection pipe 24 is connected to the hot water circulation outward pipe 16 a of the water heater 4 via the thermal valve 30. The outlet side of the bathroom heat exchanger 5 is connected to a hot water circulation return pipe 16 b of the water heater 4. One end of each of the hot water circulation outward pipe 16a and the hot water circulation return pipe 16b is connected to the first connection pipe 2 inside the bathroom unit 6.
4 and the entrance side of the bathroom heat exchanger 5, respectively. Both pipes 16a and 16b are inserted into one hot water circulation pipe 31, and the other ends are connected to the outlet side and the inlet side of the water heater 4, respectively. Reference numeral 32 in FIG. 6 denotes a pipe connection fitting, an example of which is shown in FIG. FIG. 14 shows the first
A male screw portion 34 is provided at one end of a heat exchanger pipe 35 (also the second heat exchanger pipe 36), and is provided at one end of the first connection pipe 24 (the same applies to the second connection pipe 24). A flare nut 33 is provided, and the first connection pipe 24 and the first heat exchanger pipe 35, and the second connection pipe 25 and the second heat pipe 33 are screwed together with the flare nut 33 and the male screw section 34. The exchanger pipes 36 can be detachably connected to each other. When the undressing room unit 9 is removed, the male screw portions 34 provided on both ends of the short-circuit tube 22 shown in FIG. 15 are provided with the flare nut 33 provided on the first and second connection tubes 24 and 25. , The first and second connection pipes 24 and 25 can be short-circuited to each other via the short-circuit pipe 22.

Here, when the undressing room unit 9 is attached to the bathroom unit 6, as shown in FIG.
The other end of the first connection pipe 24 of the bathroom unit 6 and the inlet side of the dressing room heat exchanger 8 are connected via a first heat exchanger pipe 35, and the second Connection pipe 25
Is connected to the outlet side of the dressing room heat exchanger 8 through the second heat exchanger pipe 36, so that the warm water from the water heater 4 first passes through the dressing room heat exchanger 8. Then, it passes through the bathroom heat exchanger 5, so that both the dressing room 7 and the bathroom 3 can be heated using one hot water heater 4, and the hot water of the high temperature is first supplied to the dressing room heat exchanger 8. Being done, bathroom 3
The temperature rise in the dressing room 7 is given priority over the inside. On the other hand, when the dressing room unit 9 is removed,
As shown in FIG. 6B, one end of the short-circuit tube 22 is connected to the other end of the first connection tube 24, and the other end of the short-circuit tube 22 is connected to the other end of the second connection tube 25. The hot water from the water heater 4 circulates only through the bathroom heat exchanger 5 and is returned to the water heater 4, whereby it can be used as dedicated heating in the bathroom 3.

FIGS. 7 and 8 show an example in which the heat exchanger piping 35 (36) from the dressing room unit 9 is passed through the piping hole 40 of the casing 27 of the bathroom unit 6 in an airtight manner. 9 and 10 show other examples. In a state where the dressing room unit 9 is fixed to the bathroom unit 6,
It is necessary to eliminate the gap between the dressing room heat exchanger 8 and the casing 27. In other words, if there is a gap, the moisture in the bathroom 3 diffuses into the back of the ceiling 13 to form dew as shown in FIGS. 16A and 16C, or the inside of the undressing room unit 9 as shown in FIG. And moisture is diffused into the undressing room 7 to form dew. The following embodiments of FIGS. 7 to 10 solve the above problem.

In the examples shown in FIGS. 7 and 8, first, a heat exchanger pipe 35 is placed in a cylindrical bush 41 made of soft heat-resistant rubber.
(36) is inserted. At this time, the inner diameter D2 of the bush 41 is set larger than the heat exchanger pipe 35 so that the heat exchanger pipe 35 can be easily inserted. Heat exchanger piping 3
After the insertion of 5, the cylindrical portion of the bush 41 is fastened from the outside with the fastening member 43 of the ash lock type. afterwards,
The dressing room unit 9 is fixed to the bathroom unit 6. At this time, as shown in FIG. 7, the bush 41 is inserted into the pipe hole 40 of the casing 27, and the concave groove portion 41a is fitted. Thereby, the gap between the heat exchanger pipe 35 and the casing 27 can be eliminated, and the airtightness in the units 6 and 9 can be secured.

9 and 10, the inner diameter D3 of the heat-resistant rubber bush 42 is set to be substantially equal to the outer diameter D2 of the heat exchanger pipe 35, and one side half of the bush 42 is As shown in (a), a cut 44 is provided. First, as shown in FIG. 10B, the bush 42 is opened from the notch 44 and fitted from outside the heat exchanger pipe 35. Thereafter, when fixing the unit 9 for changing rooms to the unit 6 for bathroom, as shown in FIG. 9, the bush 42 is inserted into the piping hole 40 of the casing 27, and the groove 41a is fitted. by this,
Similar to the embodiment of FIGS. 7 and 8, a gap between the heat exchanger pipe 35 and the casing 27 is eliminated to ensure airtightness.

In each of the embodiments shown in FIGS. 7 to 10, the pipe hole 40 in the casing 27 of the bathroom unit 6 is used.
Are provided at two locations shown in FIG. 13A, and the bushings 41 or 42 are fitted into these two pipe holes 40, respectively. Further, when the undressing room unit 9 is removed, the casing 27
The two pipe holes 40 are closed with a rubber stopper 47 and an aluminum tape 48 shown in FIG. The rubber stopper 47 is made of soft rubber, and a concave groove 49 to be fitted into the casing 27 around the piping hole 40 is formed on the entire outer periphery of the rubber stopper 47, and the rubber stopper 47 is fitted into the piping hole 40. Later, by closing the front and back surfaces with aluminum tape 48, the piping hole 40 is formed.
Airtightness can be ensured.

Thus, the heat exchanger pipe 35 and the first connection pipe 24 on the inlet side of the dressing room heat exchanger 8 and the heat exchanger pipe 36 on the outlet side from the bathroom inspection port 12 inside the bathroom unit 6 inside the bathroom unit 6.
To connect the second connection pipe 25 and the second connection pipe 25, respectively.
Thereafter, an operation of fixing the undressing room unit 9 to the bathroom unit 6 using the screw 60 is performed. As a result, both the undressing room unit 9 and the bathroom unit 6 can be used, and two rooms can be heated simultaneously using the water heater 4 with a heating function (hot water circulation function). In addition, the bathroom unit 6 and the undressing room unit 9 can be installed side by side on the ceiling 13 of the bathroom 3, so that the installation space can be reduced, and the bathroom duct 12 and the circulation duct 18 can be installed.
And the connection of the hot water circulation outward pipe 16a can be performed, and the workability is further improved. In addition, internal inspection of the unit, replacement of parts, and the like can be easily performed, so that maintenance is improved.

In a state where the undressing room unit 9 is attached, the hot water from the water heater 4 is first supplied to the undressing room heat exchanger 8.
And then by passing through the bathroom heat exchanger 5,
For example, the dressing room heat exchanger 8 is 3500 kcal / h,
The heat exchanger 5 for the bathroom is 1600 kcal / h. Incidentally, as a characteristic of the use of the undressing room 7, it is generally short-time (for example, within 10 minutes) and irregular, so by giving priority to the temperature rising property of the undressing room 7 as described above, It becomes possible to secure the temperature rise.

The bathroom unit 6 contains necessary equipment and parts for the bathroom and the equipment and parts required for the undressing room as well as the undressing room. , Is separated from the dressing room unit 9 so that the bathroom 3 can be operated exclusively. That is, since the circulating fan 2 and the heat exchanger 8 for the undressing room are provided in the unit 9 for the undressing room, the circulating air in the unit 6 for the bathroom and the circulating air in the unit 9 for the undressing room are completely separated. It has a separate, independent (not mixed) structure. Therefore, if the dressing room unit 9 breaks down, the dressing room unit 9 can be easily removed from the bathroom inspection port 12 side, and maintenance of the dressing room unit 9 can be performed easily. . At this time, by short-circuiting the first connection pipe 24 and the second connection pipe 25 in the bathroom unit 6 using the short-circuit pipe 22, only the bathroom unit 6 can be used alone, and the bathroom can be heated. You will be able to do without any problems.
Also, at this time, by closing the piping hole 40 of the casing 27 of the bathroom unit 6 with the rubber stopper 47 or the like, the airtightness of the bathroom unit 6 can be secured, and the diffusion of the moisture in the bathroom 3 to the ceiling 13 can be prevented. It can be prevented.

FIGS. 17 to 21 show another embodiment of the present invention. Except for the structure in which the unit 9 for changing rooms is attached to the unit 6 for bathroom, the structure is the same as that of the embodiment of FIG. 1, and the corresponding parts are denoted by the same reference numerals and detailed description is omitted.

As shown in FIG. 19, the bathroom unit 6 installed on the ceiling 11 of the bathroom 3 is provided with a plurality of screw holes 73 on the side surface 6b on the undressing room unit 9 side.
The screw holes 73 are fixed to the undressing room unit 9. The number and positions of the screw holes 73 are not limited to the example of FIG. Further, an angle member 10 is attached to an end of the upper surface of the bathroom unit 6 on the side of the dressing room unit 9. The angle member 10 is attached to the center of the upper surface of the bathroom unit 6, and a vertical portion of the angle member 10 constitutes a locking piece 71 protruding upward. The locking piece 71 is arranged flush with the side surface 6b on the unit 9 for the dressing room. A projection 76 shown in FIG.
Are bent in an L-shape in plan view. The projection 76 functions to position the hook piece 72 and to align the screw holes 73 and 74 of the units 6 and 9 as described later.

On the other hand, a hooking piece 72 is attached to the dressing room unit 9 above the side surface 9c on the bathroom unit 6 side. The hooking piece 72 has a U-shaped cross section opened downward, and is provided over substantially the entire length of the unit 9 for the undressing room. The hook piece 72 is attached to the bathroom unit 6.
The hook 9 is detachably hooked from above on the locking piece 71, and serves to temporarily fix the undressing room unit 9 to the bathroom unit 6. Further, the hooking piece 72 is slidable along the longitudinal direction of the locking piece 71 while being hooked on the locking piece 71,
Further, it is positioned in contact with a projection 76 provided at the end of the locking piece 71. Further, mounting fittings 77 are protrudingly provided on both ends of the unit 9 for the dressing room. Both mounting brackets 77 are provided with screw holes 74 facing the screw holes 73 of the bathroom unit 6. Further, the hook piece 72 of the undressing room unit 9 is connected to the protrusion 76
Is in contact with the screw holes 73 of the bathroom unit 6.
The screw holes 74 of the dressing room unit 9 are automatically aligned with each other.

When the bathroom unit 6 and the undressing room unit 9 are mounted on the ceiling 11 of the bathroom 3, the bathroom unit 6 with the angle member 10 is first mounted, and then the arrow shown in FIG. As shown by a, the hook piece 72 of the undressing room unit 9 is hooked on the locking piece 71 of the angle material 10, and the hook piece 72 is kept in contact with the projection 76 as shown by the arrow B in FIG. The dressing room unit 9 is slid in the direction. In the state in which it hits the projection 76, the screw hole 74 of the undressing room unit 9 is automatically aligned with the screw hole 73 of the bathroom unit 6, whereby the screw 75 is inserted into each of the screws 75 as shown by arrow C in FIG. Screw hole 7
The work for fastening to the units 3 and 74 becomes easy, and the bathroom unit 6 and the undressing room unit 9 can be easily permanently fixed. As a result, a two-room simultaneous heating system as shown in FIGS. 17 and 18 can be realized.

Incidentally, the locking piece 71 and the hook piece 7
2. In the case where the projection 76 is not provided, the screw hole 73,
It is necessary to position the screw 74 and screw the screw 75 into the screw holes 73 and 74, which makes it extremely difficult to fix the screw. However, in this example, the locking piece 71, the hooking piece 72, and the protrusion 76
Is provided, it is not necessary to support the undressing room unit 9 by hand. In addition, only by sliding the undressing room unit 9 until the hooking piece 72 hits the projection 76, the screws of the two units 6, 9 are provided. Since the holes 73 and 74 are aligned, the work of aligning the screw holes 73 and 74 while supporting the dressing room unit 9 by hand as in the related art can be omitted. As a result, the fixing work with the screw 75 behind the narrow ceiling is greatly performed. In addition, the work of attaching and detaching the undressing room unit 9 and the work of replacing parts are facilitated during construction and maintenance. Further, there is an advantage that the bathroom unit 6 can be reinforced by the angle members 10 and the dressing room unit 9 can be reinforced by the hook pieces 72.

[0030]

As described above, according to the first aspect of the present invention, a circulating fan for circulating air in a bathroom and a heat exchanger for a bathroom for heating the air by heat exchange with hot water from a water heater. A unit for a bathroom, in which a bathroom unit in which a room is housed, a circulation fan for circulating air in the room, and a heat exchanger for the room, in which the air is heated by heat exchange with hot water from a water heater, are housed. In a heating / ventilating / drying unit for a bathroom and a dressing room, a bathroom inspection opening is provided in the ceiling of the bathroom, the bathroom unit is installed in the back of the bathroom, and the bathroom of the bathroom unit is provided. Since the undressing room unit is detachably fixed to the surface on the inspection port side, warm air is supplied to both the undressing room and the bathroom from the bathroom unit and the undressing room unit installed above the ceiling using a water heater. Circulation supply In addition to realizing simultaneous heating of two rooms (dressing room and bathroom), installing a bathroom unit and a dressing room unit side by side on the ceiling of the bathroom reduces the installation space. If the dressing room unit fails, maintenance such as removal of the dressing room unit and replacement of parts can be performed easily.

According to a second aspect of the present invention, in addition to the effect of the first aspect, a duct connection port to which an exhaust duct to the outside is connected is provided on a surface of the bathroom unit on the side of the bathroom inspection port, and a hot water supply. A pipe insertion hole into which the hot water circulation pipe of the machine is inserted is provided, and a circulation duct communicating with the undressing room is connected to a surface on the bathroom inspection port side of the unit for the undressing room or a surface perpendicular to this surface. Since a duct connection port is provided,
The connection work of the circulation duct and the connection work of the hot water circulation pipe can be performed from the bathroom inspection port side, respectively, and the workability and the maintainability are further improved.

Further, in addition to the effect of the first aspect, when the unit for the undressing room is fixed to the unit for the bathroom, the hot water from the water heater is first supplied to the heat exchanger for the undressing room. It is configured to be supplied to the bathroom heat exchanger and then to the bathroom heat exchanger, so that when the undressing room unit is removed, hot water from the water heater is circulated only to the bathroom heat exchanger. When heating the dressing room, the hot water from the water heater is first passed through the heat exchanger for the dressing room and then through the heat exchanger for the bathroom, so that it is generally used for a short time (eg, within 10 minutes) and irregularly. Thus, it is possible to give priority to the temperature-raising property of the undressing room, and to secure the temperature-raising property of the dressing room. In addition, when the dressing room unit breaks down, the dressing room unit can be removed to facilitate maintenance, and the bathroom unit can perform a heating operation exclusively for the bathroom.

According to a fourth aspect of the present invention, in addition to the effect of the third aspect, the first connecting pipe having one end connected to the forward side of the water heater on the surface of the bathroom unit on the side of the bathroom inspection port. The other end and the other end of the second connection pipe, one end of which is connected to the entrance side of the bathroom heat exchanger, are arranged in such a manner that the undressing room unit is fixed to the bathroom unit. So that the other end of the connecting pipe is connected to the inlet of the dressing room heat exchanger and the other end of the second connecting pipe of the bathroom unit is connected to the outlet of the dressing room heat exchanger. In a state where the undressing room unit is removed, the other end of the first connection pipe and the other end of the second connection pipe can be connected to each other using a short-circuit pipe. Connect the first connecting pipe to the inlet of the dressing room heat exchanger and the second connecting pipe to the outlet of the dressing room heat exchanger. Therefore, by connecting the heat exchanger for the dressing room and the heat exchanger for the bathroom, it is possible to easily realize a piping that gives priority to the temperature rising property of the dressing room. Just by short-circuiting the first connection pipe and the second connection pipe of the bathroom unit using a pipe, only the bathroom can be driven, and from the simultaneous heating operation of the two rooms (bathroom and undressing room) to the exclusive use of the bathroom Switching to the heating operation can be easily performed.

According to a fifth aspect of the present invention, in addition to the effects of any one of the first to fourth aspects, a locking piece is projected upward from the bathroom unit and the undressing room is provided. The unit is provided with a hook piece detachably hooked on the locking piece, and a bathroom unit and a dressing room unit,
A screw hole is provided for screwing both units with the hooking piece hooked on the locking piece, so that both units are hooked on the locking piece with the hooking piece of the undressing room unit. Since it can be screwed, it is not necessary to perform the work of screwing while supporting the dressing room unit with the hand behind the narrow ceiling, and the work can be reduced, and the installation of the dressing room unit 9 during installation and maintenance. This facilitates removal work and parts replacement work.

According to a sixth aspect of the present invention, in addition to the effect of the fifth aspect, the locking piece is made of an angle material that allows the hooking piece to slide in a hooked state, and the longitudinal direction of the angle material is At the end of the unit, a projection is provided to abut the hooking piece and align the screw holes provided in both units, so that the hooking piece of the undressing room unit is hooked on the angle material By simply sliding the hook along the angle material until it hits the protrusion, the screw holes of both units are automatically aligned, and the screw holes are positioned while supporting the dressing room unit by hand behind the narrow ceiling. There is no need to perform the matching operation, and the fixing operation with screws is further facilitated.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of an embodiment of the present invention.

FIG. 2 is a plan view illustrating a positional relationship among a bathroom inspection port, a bathroom unit, and a dressing room unit according to the first embodiment.

FIG. 3 is a front view as viewed from a direction indicated by an arrow in FIG. 2;

FIG. 4 is a front view of a state in which the above-mentioned undressing room unit is fixed to a bathroom unit as viewed from a bathroom inspection port.

FIG. 5 is a cross-sectional view illustrating an attached state of the above-mentioned undressing room unit and bathroom unit.

6 (a) is an explanatory diagram of piping when the above-mentioned undressing room unit is fixed to a bathroom unit, and FIG. 6 (b) is an explanatory diagram of piping when the above-mentioned undressing room unit is removed from a bathroom unit. is there.

FIG. 7 is a cross-sectional view showing an example in which the heat exchanger pipes of the dressing room heat exchanger and the pipe holes of the casing of the bathroom unit are airtight.

8 is a perspective view illustrating a case where the heat exchanger pipe of FIG. 7 is inserted into a bush.

FIG. 9A is a cross-sectional view showing another example in which the heat exchanger piping of the heat exchanger for a dressing room and the piping hole of the casing of the bathroom unit are hermetically sealed, and FIG. It is a top view of a bush.

10A is a perspective view of the bush of FIG. 9, and FIG. 10B is an explanatory diagram when the bush is fitted into the heat exchanger pipe.

FIG. 11 is a sectional view showing a state in which the piping hole is closed with a rubber stopper and aluminum tape.

FIG. 12 is a perspective view of the same rubber stopper.

FIG. 13 is an explanatory diagram of a portion where a pipe hole is provided.

FIG. 14 is an exploded side view of the same pipe connection fitting with a part cut away.

FIG. 15 is an explanatory view of the short-circuit tube of the above.

FIG. 16 is an explanatory diagram of a flow direction of moisture in the bathroom.

FIG. 17 is a perspective view of another embodiment.

FIG. 18 is a side view of the same.

FIG. 19 is a perspective view illustrating a state before the bathroom unit and the undressing room unit are attached to the bathroom unit.

FIG. 20 is a perspective view illustrating a state in which a dressing room unit is attached to the bathroom unit according to the embodiment.

[Explanation of symbols]

 1, 2 circulation fan 3 bathroom 4 water heater 5 bathroom heat exchanger 6 bathroom unit 6a bathroom inspection port side 7 undressing room 8 undressing room heat exchanger 9 undressing room unit 9a bathroom inspection port side 10 Angle material 11 Ceiling part 12 Bathroom inspection port 13 Above the ceiling 14 Exhaust duct 15 Duct connection port 16 Hot water circulation pipe 22 Short circuit pipe 23 Pipe insertion hole 24 First connection pipe 25 Second connection pipe 71 Locking piece 72 Hook pieces 73, 74 Screw holes 76 Projection

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yoshikazu Hata 1048, Ojimon Kadoma, Kadoma City, Osaka Prefecture F-term in Matsushita Electric Works Co., Ltd. AC52 AC57 AC67 AC75 AC76 AC90

Claims (6)

[Claims] 1. A bathroom unit in which a circulating fan for circulating air in a bathroom and a bathroom heat exchanger for heating the air by heat exchange with hot water from a water heater are provided. Heating ventilation dryer for a bathroom and a dressing room including a dressing room unit containing a circulation fan for circulating and a heat exchanger for a dressing room that heats the air by heat exchange with hot water from a water heater In the unit, a bathroom inspection port is provided on the ceiling of the bathroom, a bathroom unit is installed behind the ceiling of the bathroom, and a dressing room unit is detachably fixed to the bathroom inspection port side of the bathroom unit. A heating and ventilation dryer unit for a bathroom and a dressing room. 2. The surface of the bathroom unit on the side of the bathroom inspection port,
A duct connection port to which an exhaust duct to the outdoor is connected and a pipe insertion hole into which a hot water circulation pipe of a water heater is inserted are provided, and a surface on the bathroom inspection port side of the unit for the dressing room or perpendicular to this surface. The heating ventilation dryer unit for a bathroom and a dressing room according to claim 1, wherein a duct connection port to which a circulation duct communicating with the dressing room is connected is provided on the surface. 3. When the dressing room unit is fixed to the bathroom unit, the hot water from the water heater is supplied first to the dressing room heat exchanger and then to the bathroom heat exchanger. The heating system for a bathroom and a dressing room according to claim 1, wherein when the unit for the dressing room is removed, the hot water from the water heater is circulated only to the heat exchanger for the bathroom. Ventilation dryer unit. 4. On the surface of the bathroom unit on the side of the bathroom inspection port,
The other end of the first connection pipe, one end of which is connected to the outward path side of the water heater, and the other end of the second connection pipe, one end of which is connected to the entrance side of the bathroom heat exchanger, are provided. When the bathroom unit is fixed to the bathroom unit, the other end of the first connection pipe of the bathroom unit is connected to the inlet of the heat exchanger for the undressing room, and the other end of the second connection pipe of the bathroom unit is connected. And the outlet side of the undressing room heat exchanger are connected to each other. When the undressing room unit is removed, the other end of the first connection pipe and the other end of the second connection pipe form a short-circuit pipe. 4. The heating / ventilating / drying unit for a bathroom and a dressing room according to claim 3, wherein the heating / ventilating / drying unit can be connected to each other by using. 5. A bathroom unit and a dressing room, wherein a locking piece protrudes upward from the bathroom unit and a hooking piece detachably hooked on the locking piece is provided on the undressing room unit. The screw unit for screwing both units together with the hooking piece hooked on the locking piece is provided on the unit for use. Heating ventilation dryer unit for bathroom and dressing room. 6. The locking piece is made of an angle material that allows the hook piece to be slid in a hooked state, and is provided on each of the two units at the longitudinal end of the angle material in contact with the hook piece. The heating and ventilation dryer unit for a bathroom and a dressing room according to claim 5, further comprising a projection for aligning the screw holes provided.