JPH1073299A - Bath room heating and drying machine with function to ventilate multiple rooms - Google Patents

Abstract

PROBLEM TO BE SOLVED: To discharge drain in a wind passage forming section to a bath room and eliminate a connection of either a valve or a hose and further eliminate an opening or closing operation of the valve. SOLUTION: This bath room heating and drying machine having a multiple- room ventilating function is constructed such that there is provided a main body 7 of the device having a circulating fan 1 and a bath room heating heat exchanger 5 for heating air, a wind passage forming section 13 having a ventilation fan 12 for discharging air of a bath room A and other rooms is arranged to be connected to the main body 7 of the device, and the wind passage forming section 13 is formed with each of a ventilation connecting port 15 communicated with the ventilating passage, a suction duct connecting port for use in sucking air in another room and a ventilation duct connecting port for use in guiding the sucked air out of a device. A bottom surface 13e of the wind passage forming section 13 is formed such that drain on the bottom surface 13e may flow by its own weight at the ventilating connection port 15 and at the same time the drain may pass through the ventilating connection port 15 and flow into the main body 7 of the device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathroom heater / dryer with a multi-ventilation function, which can heat a bathroom and ventilate a bathroom and another room different from the bathroom.

[0002]

2. Description of the Related Art Conventionally, a bathroom has been heated,
As shown in FIG. 10, for example, as shown in FIG. 10, the ventilation fan of the circulation fan 1 draws air from the bathroom and heats it in the heat exchanger 5 so as to return to the bathroom. A ventilation opening 50 for exhausting the air in the bathroom to the outside is formed in the apparatus main body 7 having a ventilation passage L1 formed therein and capable of heating the bathroom, and a ventilation fan 12 for exhausting the air to the outside. Path forming part 5 that houses
1 is provided at a location separated from the apparatus main body 7, and the ventilation path forming section 51 and the ventilation opening of the apparatus main body 7 are connected by a ventilation duct 52. Then, the ventilation path forming part 51 is communicated with the indoor space such as a washroom or a toilet as a separate room through the ventilation ducts 53 and 54, and the exhaust port 56 is passed through the exhaust duct 55 while the ventilation fan 12 is shared. There is a configuration in which a plurality of rooms can be ventilated by exhausting air from the outside.

However, in the above configuration, since the air path forming part is installed at a place different from the apparatus main body part, it is necessary to perform construction work separately from the apparatus main body part. In addition to the complexity, the construction work for connecting the duct takes a lot of time, resulting in a disadvantage that the cost is increased.

In order to eliminate such disadvantages, as shown in FIG. 11, an air passage forming section 51 provided with a ventilation fan is connected to the side of the apparatus main body 7 so as to connect the apparatus main body 7 to the main body 7.
And eliminates the ventilation duct between the air passage forming part 51 and
By connecting the air path forming section to the apparatus main body, the installation for installation can be easily performed, and the side outer peripheral surface 51 intersecting the connection surface of the air path forming section 51 with the apparatus main body 7 is provided.
a, 51b and the outer peripheral surface 51c on the side opposite to the connecting surface are respectively connected to the ventilation duct connecting ports 53a, 54b, 55a.
A configuration was considered. Further, it is conceivable that the arrangement of the ventilation duct connection port is changed in consideration of the installation space, workability, and the like.

In the apparatus shown in FIG. 10 and FIG. 11, for example, when ventilating a bathroom, when humid air passes through the air path forming section 51, the portion is usually air from another room. Because of the lower temperature, the air is often cooled and dew condensation often occurs. For this reason,
The work of draining outside or in the bathroom was performed by connecting a valve and a hose for draining to the lower part of the center of the bottom of the airflow path forming part and lowering the drainage.

[0006]

However, the connection of valves and hoses has a problem that the cost is increased and that a construction for piping the hoses is required. Further, there is a problem that the operation of opening and closing the valve is complicated.

The present invention has been made in view of such a point, and an object of the present invention is to discharge a drain of an air path forming part to a bathroom side, so that connection of valves and hoses and opening and closing operations of valves are not required. Another object of the present invention is to provide a bathroom heater / dryer with a multi-room ventilation function.

[0008]

To achieve the above object, the present invention is characterized in that a circulating fan for circulating air from a bathroom through a circulating air passage, and a circulating fan for air passing through the circulating air passage. An apparatus main body including a heat exchanger for heating a bathroom to be heated is provided, and an air path forming unit including a ventilation fan for exhausting air from the bathroom and another room to the outside is connected to the apparatus main body. Provided in a state, the ventilation path forming section, a ventilation connection port communicating with a ventilation ventilation path formed in the apparatus main body section, an intake duct connection port for sucking air in the separate room, and In the bathroom heating / drying machine with a multi-room ventilation function in which each of the ventilation duct connection ports for guiding the air taken in from the connection port to the outside is formed, the drain existing on the bottom surface of the air path forming unit has gravity. The ventilation connection port side And forming the bottom surface so as to flow, in that the drain is a structure that can be introduced into the apparatus main body via the ventilation connection opening.

Here, as the shape of the bottom surface of the air passage forming portion, any shape can be adopted as long as the drain existing on the bottom surface flows to the ventilation connection port side due to gravity. It is only necessary to incline the connection port side so as to be lower. However, it is more preferable to form a concave portion that is inclined downward toward the ventilation connection port from the viewpoint of the operation and effect described later.

It is preferable that a damper is provided in the ventilation connection port and a cutout portion is provided in the damper to allow the flow of the drain, from the viewpoint of the operation and effect described later.

According to the above-mentioned characteristic configuration, in a bathroom heating / drying machine having a multi-room ventilation function capable of heating a bathroom, ventilating a bathroom or another room, etc., the drain flows toward the ventilation connection port by gravity. Since the bottom surface is formed as described above, the drain generated by the condensation can flow to the ventilation connection port, and since it has a structure that can flow into the apparatus main body via the ventilation connection port, The drain can flow into the apparatus main body. Since the ventilation connection port is also connected to the circulation ventilation passage of the apparatus main body, the ventilation connection port may be dropped into the bathroom from an opening (for example, a blow-out portion) of the circulation ventilation passage, or may be dried with heated air. it can. Further, since the drain is not discharged out of the bathroom, it is not necessary to discharge the drain by opening and closing the valve. As a result, it is possible to provide a bathroom heater / dryer with a multi-room ventilation function, which can discharge the drain of the air passage forming section to the bathroom side, and does not require connection of valves and hoses and opening / closing of valves.

When the bottom surface of the air path forming portion has a concave portion inclined downward toward the ventilation connection port, the flow of the drain flows toward a lower position of the concave portion, and the inclination of the concave portion causes the drain to flow. Since the fluid flows to the ventilation connection side, it is possible to suppress the generation of mold and the like due to the drain remaining on the bottom surface of the air path forming portion for a long time.

In the case where a damper is provided in the ventilation connection port and a cut-out portion for allowing the flow of the drain is provided in the damper, the damper is provided in the ventilation connection port so as to be used for heating the bathroom. Can prevent cold air from flowing into the bathroom side, and the damper is provided with a cutout portion that allows the flow of the drain, so that the damper can be connected to the drain main body as described above. Does not hinder inflow.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A bathroom heating / drying machine with a multi-room ventilation function according to the present invention will be described below with reference to the drawings. The heating dryer of the present embodiment has a function of heating the interior of the bathroom A, a function of drying the interior of the bathroom A, a function of circulating the air in the bathroom A, and a lavatory as the bathroom A and a plurality of separate rooms. The dressing room B and the toilet C are configured to have respective functions of simultaneously ventilating the same.

As shown in FIGS. 2 to 4, this bathroom heating / dryer is provided on a slab surface Sb of a building at a ceiling portion of a bathroom A.
And the ceiling of the unit bath Ub, and is installed so as to face the bathroom through an opening formed in the unit bath Ub, and is embedded and fixed in advance in the slab surface Sb. It is configured to be suspended and supported by book suspension bolts Bo. As shown in FIG. 5, a bathroom circulation fan 1 is provided, and by the operation of the bathroom circulation fan 1, air in the bathroom A sucked through the suction unit 2 is blown into the bathroom A from the blowing unit 3. As a result, the circulation passage L1 is formed, and hot water (80 ° C.) as a heat medium is supplied from the external heat source device G to the circulation passage L1 through the hot water supply passage 4, and the circulation passage L1 is formed. Bathroom heat exchanger 5 for heating air flowing through the inside
Is provided. The hot water supply path 4 is provided with a thermal valve 6 for interrupting the supply of hot water. The thermal valve 6 is configured so as to be controllable so that the amount of water changes slowly when the flow of hot water is interrupted, and it is possible to suppress the generation of impact noise and vibration due to the rapid flow. I can do it.

[0016] Circulating fan 1 for bathroom, heat exchanger 5 for bathroom
Is disposed inside a circulation ventilation path L1 in a state defined by a circulation path forming member 8 attached in a fixed position inside a box-shaped apparatus main body 7 having an open lower side, and a bathroom circulation path is provided. The air ventilated by the fan 1 is configured to effectively ventilate the bathroom heat exchanger 5.
Further, a grill plate 9 that can be opened and closed is mounted on a lower open portion of the apparatus main body 7, and the suction unit 2 and the blow-out unit 3 are formed on the grill plate 9, respectively. I have. And, with the operation of the circulation fan 1,
Through the suction section 2, a bathroom A is formed from a suction section 10 formed at a position on the side of the circulation fan 1 in the circulation path forming member 8.
After passing through the heat exchanger 5, warm air is blown out from the blow-out unit 3 to the bathroom A.

A ventilation fan 12 for simultaneously exhausting the air in the bathroom A and the air in the undressing room B and the toilet C to the outside through the ventilation duct 11 is provided. The room can be ventilated at the same time. That is, the ventilation fan 12 is connected to the device main body 7.
The fan box 13 is provided in a fan box 13 connected to a flange on one side, and is rotatably driven around a vertical axis.
3 is configured to suck the air in the internal space Q. As shown in FIG. 7, a ventilation opening 14 formed on a lateral side surface (connection surface of the fan box 13) of the device main body 7 and a ventilation connection port 15 formed on a connection surface 13 a of the fan box 13. Are connected so as to communicate with each other, and the inside of the apparatus main body 7 and the internal space Q of the fan box 13 are configured to communicate with each other. Therefore, ventilation fan 1
2, the circulation ventilation passage L <b> 1 in the internal space of the apparatus body 7 from the suction unit 2 and the outlet 3.
Bathroom A through the space on the outer side of the vehicle and the internal space Q of the ventilation opening 14, the ventilation connection port 15, and the fan box 13.
It is configured to take in air.

Further, on one side surface 13b intersecting with the connecting surface 13a of the fan box 13, a ventilation duct 16 for the undressing room is connected so as to communicate the undressing room B and the internal space Q of the fan box 13. Room ventilation duct connection port 17
And a toilet ventilation duct connection port 19 to which a toilet ventilation duct 18 is connected is formed in a laterally parallel state so that the toilet C communicates with the internal space of the fan box 13. The air in each room is configured to be sucked in with the operation.

An exhaust duct connection port 20 is formed on the other side face 13c intersecting with the connection face of the fan box 13, and air discharged with the operation of the ventilation fan 12 is externally connected to the connection port 20. The exhaust duct 11 for guiding is connected.

Unit bath Ub which forms the peripheral wall of bathroom A
In order to perform maintenance work such as installation work for connecting each duct as described above to the fan box 13 and repair work from the inside of the bathroom A at a location on one side of the device mounting location in the above, the inside of the bathroom A will be described. A port TK is formed, and the inspection port TK is closed by a plate 21 that can be opened and closed. The inspection port TK is formed at a position near the outer peripheral surface 13d of the fan box 13 opposite to the device main body 7. Since the outer peripheral surface 13d is not provided with a duct connection port, the inspection port TK can be arranged in a state in which the inspection port TK is brought as close as possible. Mouth TK
Therefore, the duct connection operation can be easily performed. Inspection of the inside of the apparatus main body 7 can be performed by removing the grill plate 9.

Each of the ventilation duct connection ports 17 and 19 and the exhaust duct connection port 20 are provided with a ventilation fan 12.
The shutter plate 22 is provided as backflow prevention means configured to allow ventilation by the airflow and to prevent ventilation in the opposite direction. As shown in FIG. 8, each of the shutter members 22 is rotatably supported around the upper horizontal axis X, and in a state where no wind is acting,
It is configured to be urged to a closed state by its own weight so as to close the connection port by its own weight, and is opened by the ventilation by the ventilation fan 12 to allow the flow of air. Is configured. That is, the shutter plates 22 provided at the ventilation duct connection ports 17 and 19 allow air to flow into the internal space of the fan box 13,
The shutter plate 22 provided to prevent the outflow of air to each of the dressing rooms B and the toilet C side, and the shutter plate 22 provided at the exhaust duct connection port 20 prevents the air from flowing into the internal space of the fan box 13, It is provided to allow air to flow to a discharge port (not shown). Therefore, when the ventilation fan 12 is not operating, the odor of the toilet C may enter the bathroom A and the undressing room B, or the air having a high moisture content in the bathroom A may enter the undressing room B and the toilet C. In addition, it is possible to prevent the possibility that the reverse wind of the outside air blows from the outside of the exhaust duct 11.

The fan box 13 is mounted such that the lower end of the connection portion is located slightly above the lower end of the apparatus main body 7, and is an L-shape for connecting an intermediate separation point in the unit bus Ub. It is configured so as not to interfere with the connection fitting KE.

The characteristic structure of the present invention is that in the above-described bathroom heating / drying machine, the drain existing on the bottom surface 13e of the air passage forming portion 13 flows to the ventilation connection port 15 side due to gravity. 13e, and has a structure in which the drain can flow into the apparatus main body 7 via the ventilation connection port 15. Specifically, the bottom 13e of the air path forming section 13 A concave portion inclined downward toward the ventilation connection port 15 is formed by two flat plates. Further, a damper D is provided at the connection port 15 for ventilation,
A notch Da is provided on the flow path of the drain to prevent the cool air from flowing into the bathroom at the time of heating the bathroom and to allow the flow of the drain in the damper (FIGS. 2, 4, and 5).
5, 7).

Here, the concave portion inclined downward is formed by two flat plates, but may be formed by a curved surface or three or more flat plates, or by providing a groove at the lowest position of the concave portion. Is also good. Also, the notch Da of the damper D may have a shape other than a rectangular shape, or the damper D may be shortened to have a horizontal notch.

According to the above-mentioned characteristic configuration, the air path forming section 13
As a result, the drain generated by the condensation can be caused to flow to the ventilation connection port 15, and the drain can flow into the apparatus main body 7, and can be dropped from the outlet 3 into the bathroom A. At this time, the flow of the drain flows toward the lower position of the concave portion, and at the same time, the flow of the drain flows toward the ventilation port due to the inclination of the concave portion. Can be suppressed. Also, because the drain is not discharged out of the bathroom,
In particular, there is no need to discharge the drain by opening and closing the valve. As a result, it is possible to provide a bathroom heater / dryer with a multi-room ventilation function, which can discharge the drain of the air passage forming section to the bathroom side, and does not require connection of valves and hoses and opening / closing of valves.

Similarly to the shutter plate 22 as the backflow preventing means, the damper D is urged to close the connection port by its own weight so that the connection port is closed by its own weight in a state where no wind is applied. The ventilation fan 12
By the ventilation operation by, it is opened by the ventilation wind,
It is configured to allow the flow of air. Therefore,
When the ventilation fan 12 is not operating, the exhaust duct 1
Thus, it is possible to prevent a possibility that a back wind of the outside air blows into the bathroom A from outside. In the present invention, it is desirable that the damper D be closed when the bathroom is heated, and the opening / closing operation of the damper D is performed so as to prevent the ventilation fan 12 from opening the damper D even if the ventilation switch is operated in another room. It is desirable to control. In this case, the damper D is made of a light material such as a resin or a metal (for example, aluminum) having a small specific gravity, and a substance M (for example, iron piece) to be attracted by a magnet is attached to the tip of the damper D as shown in FIG. It is preferable that the opening and closing operation of the damper D is controlled by energizing the electromagnet EM. With this configuration, the damper D is reduced in weight to facilitate opening of the damper D by the ventilation fan 12 in the case of ventilation or the like. The damper D can be opened even when the fan 12 operates. Further, as the material of the damper D, a lightweight and high-strength material can be used. In the present embodiment, the damper D is attached to the inside of the air path forming unit 13, but may be attached to the outside of the apparatus body 7.

A control unit 23 as control means for controlling the operation of the circulation fan 1, the ventilation fan 12, and the heat valve 6 and for controlling the start / stop of the operation of the external heat source unit G, and the control unit 23 A remote control operation unit 24 for instructing operation information such as a mode is provided. Remote control operation unit 24
Is provided at the entrance of the bathroom A or at the wall of the dressing room B, for example.

As shown in FIG. 6, the remote control operation unit 24 includes a drying switch 25 for instructing a drying mode for drying the interior of the bathroom, and a cool air switch for instructing a cooling air mode for executing only the ventilation operation of the bathroom circulation fan 1. 26, a preliminary heating switch 27 as a bathroom heating command means for commanding a bathroom heating mode, a ventilation switch 28 for commanding a ventilation mode, a stop switch 29 for stopping operation, and a timer setting switch 30 for setting a timer time. I have.
Mode display lamps 25a, 26a, 27a, 28a, 28b for indicating that each mode is set are provided near each switch for commanding each operation mode. Further, a timer display section 31 is provided as display means for displaying a set time described later. Two mode display lamps 28a and 28b for displaying the ventilation mode are provided so as to display the two states of the fan intensity.

The control section 23 is provided with a microcomputer, and switches the operation state of each of the fans 1, 5 and 12 and the intermittent state of the thermal valve 6 based on the operation information of the remote control operation section 24. Operation and external heat source unit G
It is configured to execute respective controls such as switching between operation start and stop. That is, when any one of the mode command switches 25 to 28 is turned ON, the operation is started in the selected operation mode, and when another operation mode is commanded, a new operation mode is issued. To start driving.

When the operation is performed in any one of the operation modes, the operation time can be set by the timer setting switch 30, and when the set time has elapsed, the operation is automatically stopped. . The operation is stopped when the stop switch 29 is operated even before the set time has elapsed.

The control operation in each operation mode will be described. When the preliminary heating switch 27 is operated, the bathroom heating mode is set, the mode display lamp 27a is turned on, and the timer display section 31 is turned on. At this time, the user sets an arbitrary set time with the timer setting switch 30. Then, the operation of the external heat source device G is started, and the thermal valve 6 is opened to supply hot water to the bathroom heat exchanger 5. Further, the operation of the bathroom circulation fan 1 is started, and the heating operation of the bathroom A is started. In this operation mode, the air in the bathroom A is sucked in through the suction part 2 by the ventilation operation of the bathroom circulation fan 1,
The air is guided along the circulation ventilation passage L1 and is circulated and ventilated so as to be blown out from the blowing portion 3 into the bathroom A, but the air flows through the bathroom heat exchanger 5 provided in the circulation ventilation passage L1. Is heated, so that the interior of the bathroom A is heated. Thereafter, when the preliminary heating switch 27 is operated again or the set time has elapsed, the operation of the external heat source device G and the bathroom circulation fan 1 is stopped, the heat valve 6 is closed, and the heating operation is stopped. , Mode display lamp 27
a and the timer display unit 31 is turned off. As described above, it is desirable that the damper D be closed when the bathroom is preheated. In order to prevent the ventilation fan 12 from opening the damper D even when the ventilation switch is operated in another room, the damper D should be closed. It is desirable to control the opening and closing operation of D.

When the drying switch 25 is operated, the drying mode is set, the mode display lamp 25a and the timer display section 31 are turned on, and an arbitrary set time is set by the timer setting switch 30. Then, the operation of the external heat source device G is started, and the thermal valve 6 is opened to supply hot water to the bathroom heat exchanger 5. A circulation fan 1 for a bathroom;
The operation with the ventilation fan 12 is started. In this operation mode, similar to the bathroom heating operation, the bathroom circulation fan 1
By heating the inside of the bathroom A by heating it in the bathroom heat exchanger 5 while guiding the air in the bathroom A along the ventilation passage L1 for circulation. In addition, by the operation of the ventilation fan 12, the air in the bathroom is sucked from the suction portion through the space outside the circulation ventilation path L <b> 1 with the damper D open, and is exhausted to the outside through the exhaust duct 11. At this time, the air in the undressing room B and the toilet C is also taken in and exhausted by the ventilation fan 12 together.

This operation mode is used, for example, when drying an object to be dried suspended in the bathroom A, such as laundry, which contains a large amount of water. In other words, the temperature in the bathroom is raised by the heating operation to evaporate the moisture of the laundry and the like, and the air containing the evaporated moisture is discharged to the outside by the ventilation fan 12, so that the air installed in the bathroom A is removed. The dried product is to dry. Thereafter, when the stop switch 29 is operated or the set time has elapsed, the operation of the external heat source device G, the bathroom circulation fan 1 and the ventilation fan 12 is stopped, and the heat valve 6 is closed to perform the drying operation. The mode display run 25a and the timer display section 31 are turned off.

When the ventilation switch 28 is operated, the mode display lamp 28a and the timer display section 31 are turned on, and an arbitrary set time is set by the timer setting switch 30. Then, the operation of the ventilation fan 12 is started. In this operation mode, as shown in FIG. 1, the ventilation of the ventilation fan 12 causes the air in the bathroom A, the undressing room B, and the toilet C to flow into the fan box 13 as described above.
Is sucked into the internal space of the room, and is exhausted to the outside through the exhaust duct 11, and ventilation of each room is performed. In addition, ventilation fan 1
2 is provided so that the ventilation capacity (the number of rotations) can be switched between two levels of high and low, and is set to “high” in the first operation,
When the ventilation switch 28 is operated again, the mode is set to "weak", the mode display lamp 28a is turned off, and the mode display lamp 28b is turned on. Thereafter, when the stop switch 29 is operated or the set time has elapsed, the operation of the ventilation fan 12 is stopped, and the mode display lamp 28a (or 28b) and the timer display unit 39 are turned off.

When the cool air switch 26 is operated, the cool air mode is set, the mode display lamp 26a and the timer display section 31 are turned on, and an arbitrary set time is set by the timer setting switch 30. Then, the operation of the bathroom circulation fan 1 is started. In this operation mode, the air in the bathroom A is circulated and ventilated through the ventilation passage L1 by the ventilation operation of the bathroom circulation fan 1, and is blown out from the outlet 3 without being heated. This operation mode is used, for example, in the case of bathing in summer or the like to obtain a cool wind feeling by circulating ventilation. Thereafter, when the stop switch 29 is operated or the set time has elapsed, the operation of the bathroom circulation fan 1 is stopped, and the mode display lamp 26a
Then, the timer display section 31 is turned off.

[Another Embodiment] Another embodiment of the present invention is as follows. (1) In the above embodiment, the shutter member 22 and the damper D as the outflow prevention means are closed and urged by their own weight, and are opened by the ventilation wind of the ventilation fan 12 with a simple structure as much as possible. However, the present invention is not limited to such a configuration. For example, it may be configured to be closed and urged by urging operation means such as a spring, and to be opened by the ventilation wind of a ventilation fan. A configuration may be adopted in which the opening and closing operation is freely performed by an actuator such as a motor, and the actuator is operated so as to be opened when the ventilation fan starts operating and closed when the operation stops. In the above embodiment, the shutter member 22 is arranged at a position close to the fan box 13. However, the intake duct may be arranged at an intermediate portion of the exhaust duct or near the intake port or the exhaust port of the duct. Further, a configuration without the shutter member 22 or a configuration without the damper D may be used.

(2) In the above embodiment, an example is shown in which the drain flowing into the apparatus main body is dropped from the blowing section into the bathroom, and is configured independently of the blowing of warm air from the blowing section. The drain flowing down by a part of the blown hot air may be dried. In this case, for example, a structure may be adopted in which a wind regulating plate or the like is provided to blow a part of the warm air to a part where the drain flows down. According to this configuration, it is possible to suppress the occurrence of mold and the like due to the remaining of water in the portion where the drain flows down.

(3) In the above embodiment, the separate room other than the bathroom is configured to perform only ventilation, but may be configured to heat the separate room.

(4) In the above embodiment, the undressing room and the toilet are exemplified as separate rooms different from the bathroom. However, the present invention is not limited thereto. For example, a living room or another room may be used. It is good also as a structure which ventilates simultaneously.
In addition, the configuration may be such that one of the rooms described above as a bathroom and another room other than the bathroom is ventilated, or three or more rooms may be simultaneously ventilated.

(5) In the above embodiment, the peripheral wall of the bathroom is installed on the ceiling, but may be installed on the side wall. In that case, the airflow path forming part is disposed on the upper side or the side of the apparatus main body part, and the drain present on the bottom surface is formed on the bottom surface so that the gravity flows toward the ventilation connection port side due to gravity, and The structure is such that the drain can flow into the apparatus main body through the ventilation connection port.

In the claims, reference numerals are provided to facilitate comparison with the drawings, but the present invention is not limited to the configuration shown in the attached drawings.

[Brief description of the drawings]

FIG. 1 is a cross-sectional plan view

FIG. 2 is a front view

FIG. 3 is a bottom view

FIG. 4 is a side view

FIG. 5 is a schematic configuration diagram

FIG. 6 is a front view of a remote control operation unit.

FIG. 7 is a perspective view of a fan box.

FIG. 8 is a perspective view of a shutter member.

FIG. 9 is a perspective view showing a peripheral portion of a damper.

FIG. 10 is a diagram showing a conventional duct connection state.

FIG. 11 is a diagram showing a conventional duct connection state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Circulation fan 5 Heat exchanger 7 Device main body part 12 Ventilation fan 13 Air path formation part 13a Connection surface 13b, 13c, 13d Outer peripheral surface 13e Bottom surface 15 Ventilation connection port 17, 19 Intake duct connection port 20 Ventilation duct connection port 22 Backflow Blocking means A Bathroom L1 Ventilation path for circulation D Damper Da Notch

Claims (3)

[Claims] 1. An apparatus main body comprising: a circulation fan for circulating and ventilating air in a bathroom through a circulation ventilation path; and a bathroom heating heat exchanger for heating air passing through the circulation ventilation path. An air path forming unit provided with a ventilation fan for exhausting air in the bathroom and the separate room to the outside is provided in a state of being connected to the apparatus main body section. The air path forming section is formed in the apparatus main body section. Ventilating connection port for communicating with the ventilated ventilation path, the intake duct connection port for taking in the air in the separate room, and the ventilation duct connection port for guiding the air taken in from each of the connection ports to the outside. A bathroom heating / drying machine with a multi-room ventilation function, each of which is formed, wherein a drain present on a bottom surface of the air passage forming portion forms a bottom surface such that the gravity flows toward the ventilation connection port side by gravity. And the drain is in front A multi-chamber ventilation function bathroom heater dryer has a structure that can be introduced into the apparatus main body via the ventilation connection port. 2. The bathroom heating / drying machine with a multi-room ventilation function according to claim 1, wherein a concave portion which is inclined downward toward the ventilation connection port is formed on a bottom surface of the air passage forming portion. 3. The bathroom heater / dryer with a multi-room ventilation function according to claim 1, wherein a damper is provided in the ventilation connection port, and a cutout portion is provided in the damper to allow the drain to flow.