JP2003278221A - Ventilating fan for toilet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ventilating fan for a toilet which is installed in the toilet room to send air and ventilate the toilet room and which can effectively work even when a plurality of implements are installed in the toilet room. <P>SOLUTION: The ventilation fan for a toilet which is installed on a wall or a ceiling in the toilet room and provided with a ventilating means sucking the indoor air and exhausting it to the outdoor side or sending air into the indoor side includes a rotatably driving changeover damper for changing over the blowing direction from the air sending means to the indoor side/the outdoor side. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation fan for a toilet installed in a toilet room for ventilation and ventilation, and more particularly to a ventilation fan for a toilet installed in the toilet room together with other electric appliances.

[0002]

2. Description of the Related Art Conventionally, as one form of a ventilation fan installed in, for example, a toilet room, it has a function of only ventilation as shown in FIG. It was a system.

[0003]

However, in the conventional toilet ventilation fan, the ventilation operation cannot be turned on and off by the user who is in the room, and since the ventilation function is not provided, the toilet cannot be used comfortably. It was During the hot summer months, a separate fan-like device had to be brought in, and during the cold winter months, indoor heating equipment had to be installed inside the toilet room.

In addition, when a user installs a plurality of devices, it is necessary to operate each device individually, which is inconvenient and unnecessary to stop the operation of the devices. There were also problems such as consuming a lot of power.

Further, in order to limit the operating time of these devices, since the devices such as the local cleaning device are independent devices, it is necessary to provide a timer device for controlling the start and stop of the operation of each device. There is a problem that complicates the configuration of each device and raises the device cost, and the user has to set both.
There was also a problem that there was a time lag in the operation of each device.

In order to solve these problems, the local cleaning device is provided with a connector for connecting an external unit in advance so that the external unit can be connected later, and when the external unit is connected, power and operation are required. A device for supplying an instruction signal to an external unit has been proposed by Japanese Patent Laid-Open No. 10-331237.

However, in such a device, it is necessary to store a program for controlling the external unit in advance even in the local cleaning device which is likely to be used alone. It is necessary to provide a connector for several minutes, and the local cleaning device itself becomes expensive. Further, in such a device, it is necessary to predict and design what kind of external unit is connected, and in consideration of the possibility, it has always been necessary to mount an extra unit.

The present invention has been made to solve the above-mentioned problems. The present invention is installed in a toilet room for ventilation and ventilation, and is efficient even when a plurality of devices are installed in the toilet room. An object of the present invention is to provide a ventilation fan for a toilet that can perform various operations.

[0009]

In order to achieve the above object, in the invention according to claim 1, it is installed on the wall or ceiling in the toilet room, and the direction of air blown from one air blower is not only outdoors but also indoors. It has a built-in switching damper that can be driven to rotate so that it can be switched even when the toilet is in use. The blowing means can be made thin and compact by using a thin motor such as a DC motor and a thin centrifugal fan, and the switching damper is driven by a stepping motor or the like, and the configuration is simple, so that it is inexpensive, lightweight and compact. Can propose a ventilation fan.

Further, in the invention of claim 2, in addition to the invention of claim 1, a blower which makes it possible to receive information such as an operating state of the electric appliance transmitted by another electric appliance in the toilet room. Specific examples of electric appliances for the ventilation fan include a local cleaning device, a remote controller for the local cleaning device, a deodorizer, a lighting device, a heater, and an air conditioner as described in claim 3.

As described in claim 4, the received signals received from these electric appliances are the information on the air blow operation into the toilet room, the information on the air exhaust operation to the outside, and the air volume control information of the air blower. Based on this, it is desirable to provide an operation switch on the remote controller for the local cleaning device or the like so that the user can easily input an instruction. Further, the blower ventilation fan receives the information held by each electric appliance, so that it is possible to limit the amount of electric power and cooperate with the devices.

According to the fifth aspect of the invention, the seating signal from the local cleaning device is received, and the ventilation operation or the air blowing operation is performed when the user is seated. It is possible to save the user the trouble of operating the vehicle each time he or she uses it, and to save unnecessary power consumption due to forgetting to turn off the switch.

According to a sixth aspect of the invention, a temperature sensor for detecting the temperature in the toilet room is built in the main body of the ventilation fan, and a function is provided for changing the amount of air blown into the room based on the temperature data from the temperature sensor. Is. During the hot summer months, the indoor temperature rises, and it is desirable to increase the amount of air blown in order to obtain a cool breeze. In this case, it is possible to save the trouble of adjusting the air volume and use the toilet comfortably.

According to a seventh aspect of the present invention, a plurality of switches are mounted on a control board incorporated in the ventilation fan, and a combination of turning the switches on and off allows the operation continuation time after the seating signal is turned off,
Alternatively, the ventilation volume based on the size of the toilet room or the ventilation volume into the room can be changed. As a result, it is possible to use it according to the preference of the user or the size of the space.

According to the invention of claim 8, a warm air heater is provided at a blow-off and blowing portion into the toilet room. This enables heating operation in the winter, and comfortable use of the toilet throughout the year.

According to a ninth aspect of the present invention, the ventilation fan is embedded in a rectangular opening opened in the wall to suppress the above-mentioned dimension of the ventilation fan main body into the toilet room, to be housed in the space and to improve the design. .

According to a tenth aspect of the present invention, an opening for ventilation having a diameter of about 75 mm to 100 mm is opened in the wall, and the wall surface of the toilet room is covered with a ventilation fan so that the ventilation fan has a thickness of about 60 mm. The structure is designed to simplify the opening work and keep the space.

[0018]

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

(Overall Structure: Example of Toilet Room) FIG. 1 is an external perspective view of an example of installation in the toilet room. In the figure, A is a local cleaning device having a transmitting function, B is a deodorizer, C is a ventilation fan having a receiving function, and D is a lighting device. As shown, the local cleaning device A is installed on the toilet, the deodorizer B is installed along the wall surface, the ventilation fan C is installed on the ceiling or the wall, and the lighting device D is installed on the ceiling. A seating signal or the like is transmitted from the local cleaning device A, and the remote controller 20
From, the user's instruction input information and the like are transmitted.

FIG. 2 shows an example of installation of a conventional toilet ventilation fan on a wall. The ventilation fan exists as a completely independent device, and is turned on and off by a switch near the toilet entrance.

(Example of embedding ventilation fan in the wall) Next, an embodiment in which the ventilation fan C is installed in the wall of the toilet room will be described. FIG. 3 shows a cross-sectional view and a front view when the ventilation fan is embedded in the wall of the toilet room. The blower fan 4 is rotated by the blower motor 4. The rotation speed of the blower motor 4 can be changed by a control signal from the control board 10. The switching damper 6 is driven by a damper motor 7, and depending on its position, it is possible to select whether to blow the air from the air blowing means into the toilet room or to discharge it outside. A stepping motor, a synchronous motor, or the like is used as the damper motor 7 to enable positioning control. The intake passage 3 is a passage for taking in air from the outside and introducing fresh air into the toilet room during ventilation operation. The infrared light receiving element 11 receives information such as an operating state of the electric appliance transmitted from another electric appliance in the toilet room, and the received signal is sent to the control board 10 to perform the blow operation which is its own operation mode. It is judged whether or not the exhaust operation, the air flow rate, etc. are changed. If the heater 9 is mounted, it is possible to emit hot air by energizing, instead of just blowing air. The blower fan itself has a built-in temperature sensor that detects the temperature inside the toilet room, and the amount of air blown into the room can be changed based on the temperature data from the temperature sensor. A plurality of switches are mounted on the control board 10 built in the ventilation fan, and a combination of ON / OFF of the switches allows the operation duration after the seating signal is turned off, the ventilation air volume based on the size of the toilet room, or the air flow rate into the room. Can be changed.

(Example of Exposed Installation of Blower Ventilation Fan on Wall) FIG. 4 is a sectional view showing a case where the blower ventilation fan is installed on a wall in the toilet room. Open a ventilation opening of about φ75 mm to φ100 mm on the wall, and install it so that the wall surface inside the toilet room is covered with a ventilation fan, the thickness of the ventilation fan is reduced to about 60 mm, simplifying the opening work and space It has a structure that does not impair the accommodation. The decorative panel 8 has a structure that covers the entire ventilation fan. If the movable louver 13 is used for the air blower, the wind direction can be optimized.

The embodiment described above is not limited to this, and can be implemented without departing from the gist of the invention.

[0024]

As described above, according to the present invention,
It is possible to provide a blast ventilation fan for a toilet that can be efficiently installed even when a plurality of devices are installed in the toilet room while being installed in the toilet room to perform ventilation and ventilation.

[Brief description of drawings]

FIG. 1 is an external perspective view of an installation example of a ventilation fan and other electric appliances installed in a toilet room.

FIG. 2 is a perspective view of a conventional example.

FIG. 3 is a sectional view and a front view showing an installation example of the present invention.

FIG. 4 is a cross-sectional view showing an installation example of the present invention.

[Explanation of symbols]

A ... Local cleaning device, B ... Deodorizer, C ... Ventilation fan, D ...
Lighting device, 1 ... Ventilation fan, 2 ... Local cleaning device, 3 ... Intake passage, 4 ... Fan motor, 5 ... Fan fan, 6
... Switching damper 7 ... Damper motor, 8 ... Decorative panel,
9 ... Heater 10 ... Control board, 11 ... Infrared light receiving element, 1
2 ... Fan case 13 ... Movable louver

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) F24F 7/013 101 F24F 7/013 101F 101J 101Z (72) Inventor Tetsujiro Tomura Nakajima, Kokurakita-ku, Kitakyushu, Fukuoka 2-1, 1-1 To-Fa Equipment Co., Ltd. F term (reference) 2D038 BC01 JF00 KA03 KA12 ZA00 ZA05 3L056 BD07 BF01

Claims (10)

[Claims] 1. A wall or ceiling provided in a toilet room,
In a ventilating fan for a toilet equipped with a blowing unit for sucking air in the toilet room and exhausting it outside or blowing it into the toilet room, it can be rotationally driven as a means for switching the blowing direction from the blowing unit to the outside or the toilet room. A ventilation fan for toilets that features a built-in switching damper. 2. Receiving means for receiving information such as an operating state of the electric appliance itself, which is transmitted from another electric appliance in the toilet room, and is capable of changing its own operating form based on a signal received by the receiving means. The ventilation fan for a toilet according to claim 1, wherein the fan is a functional device. 3. The toilet ventilation fan according to claim 1, wherein the electric appliance is any one of a remote controller, a local cleaning device, a deodorizer, a lighting device, a heater and a cooler. 4. The reception signal is any one of air blowing operation information into the toilet room, air exhausting operation information to the outside, and air volume control information of the air blowing unit.
Ventilation fan for the toilet described. 5. The toilet ventilation fan according to claim 3, wherein the received signal is a seating signal from a local cleaning device. 6. The temperature sensor for detecting the temperature in the toilet room is built-in, and a function for changing the amount of air blown into the toilet room is provided based on temperature data from the temperature sensor. Ventilation fan for toilets. 7. A control board is built-in, a plurality of switches are mounted on the control board, and the ventilation is based on the operation continuation time after the seating signal is turned off or the size of the toilet room by a combination of turning the switches on and off. The toilet ventilation fan according to claim 5, wherein either the air volume or the air volume to the room can be changed. 8. The ventilating fan for a toilet according to claim 6, wherein a hot air heater is provided at a blowout part into the toilet room. 9. The blast ventilation fan for a toilet according to claim 1, wherein the main body can be embedded and installed in an opening formed in a substantially rectangular shape on the wall of the toilet room. 10. The blast ventilation fan for a toilet according to claim 1, wherein the blast ventilation fan for a toilet is constructed so that it can be installed on a wall surface of the toilet room so as to cover an opening formed in a substantially circular shape in the toilet room wall.