JPH07293982A - Ventilating fan - Google Patents

Abstract

PURPOSE:To securely prevent a person from being injured owing to a ventilating fan body being remotely operated iron an unexpected location upon maintenance work of the ventilating fan body. CONSTITUTION:There are provided a ventilating fan body 1 including a fan 2 provided thereon, and a remote control switch 10 for remotely operating the ventilating fan body 1 using a wireless signal. The remote control switch 10 is removably mounted on a fitment 14 fixed at a location separated from the ventilating fan body 1, whereby only transmission of operation/interruption is enabled upon mounting of the remote control switch on the fitment 14 while only transmission of interruption is enabled upon removal of the remote control switch. Hereby, the ventilating fan body 1 is securely prevented from being operated from an unexpected location, and the ventilating body 1 is securely interrupted by demounting the remote control switch 1 from the fitment 14 and bring it to a location on the ventilating fan body 1 where a signal can be approached.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation fan device for ventilating a living room, a bathroom, a kitchen or the like.

[0002]

2. Description of the Related Art In recent years, a ventilation fan for ventilating a room such as a living room, a bathroom, or a kitchen is required as an auxiliary facility of a house, which emphasizes simplification of construction and design.

A conventional ventilation fan of this type will be described with reference to FIG. 7 by taking a ventilation fan for a living room as an example.

As shown in the figure, a ventilation fan main body 101 mounted on an indoor ceiling has a box-like shape with an open lower surface, and a blower 102 is provided inside the louver 10 to cover the lower opening.
3 is provided on the surface of the louver 103, and a receiving section 105 for controlling the operation of the blower 102 in response to a wireless operation signal transmitted from a remote control switch 104 arranged remotely is provided, and on the back side is another device of the same type. In order to prevent erroneous operation due to the operation signal of 1, the address setting switch 106 for specifying the ventilation fan main body 101 is arranged side by side, and is detachably attached to a fixture 108 fixed to a chamber wall 107 remote from the ventilation fan main body 101. The remote control switch 104 of the dry battery type mounted is configured to send a wireless operation signal to operate the ventilation fan.

[0005]

In the structure of such a conventional ventilation fan, the remote control switch 104 is detachably provided on the fixture 108 in consideration of maintainability such as battery replacement. Of the ventilation fan main body 1 from other places
01 can be operated remotely, the remote control switch 104 is operated from an unexpected place during maintenance work such as inspection and cleaning of the inside of the ventilation fan main body 101, and the ventilation fan main body 10 can be operated.
There is a risk that 1 may suddenly operate and a finger or the like may be caught in the blower 102, resulting in injury.

The present invention solves the above-mentioned problems, and reliably prevents an operator from being injured by remote control of the ventilating fan body from an unexpected place during maintenance work of the ventilating fan body, and a remote control switch. It is an object of the present invention to provide a ventilation fan that can surely stop the ventilation fan main body even when the battery is exhausted and the transmission range is reduced.

[0007]

In order to achieve the above object, the ventilation fan of the present invention uses a box-shaped ventilation fan main body for communicating the inside and the outside with an internal blower, and the ventilation fan main body uses a wireless signal. And a remote control switch for remote control, the remote control switch is detachably attached to a fixture fixed at a location apart from the ventilation fan main body, and when the fixture is attached, transmission of a driving / stopping operation is performed. In addition, it is configured so that only the stop operation can be transmitted when leaving.

[0008]

According to the present invention, due to the structure of the above means, when the remote control switch is detached from the fixture and at the same time transmission for operating the ventilation fan main body cannot be performed, but the battery of the remote control switch is exhausted and the transmission range is reduced. It is possible to stop the ventilation fan main body by bringing it close to the ventilation fan main body.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

As shown in the drawing, a ventilation fan main body 1 mounted on an indoor ceiling has a blower 2 communicating inside and outside the room, and a decorative panel 4 having a lattice-like hole 3 inside the room.
The spring 5 provided on the decorative panel 4 and the stopper 6 provided on the ventilation fan main body 1 are detachably engaged with each other. The decorative panel 4 is provided with a mounting hole 7, and the mounting hole 7 has a hemispherical projection 8 on the upper side surface thereof.
A box-shaped control case 9 having the above is fitted and attached from the lower surface of the decorative panel 4.

Further, inside the control case 9, a remote control switch 1 arranged at a position apart from the ventilation fan body 1 is provided.
The first display for receiving the wireless operation signal transmitted from 0, the receiving means 11 for operating / stopping the blower 2 and controlling the speed based on this signal, and the first address for identifying the ventilation fan main body 1. The means 12 and the first setting means 13 including a small dip switch for setting the first address are the receiving means 11 and the first display means 1.
2 is arranged on the lower surface side of the control case 9, and the first setting means 13 is arranged on the side surface side.

On the other hand, the remote control switch 10 is detachably attached to a fixture 14 fixed to the wall surface of the room. Further, inside the remote control switch 10, a driving key switch 15 and a stop key switch 15a for operating the ventilation fan main body 1, and the remote control switch 10 are provided.
Second display means 1 for displaying a second address for specifying
6, a second setting means 17 composed of a small dip switch for setting the second address, and a transmitting means 18 for transmitting operation signals of the driving key switch 15 and the stop key switch 15a are arranged. . Further, on the side of the fixture 14 inside the remote control switch 10, a reed switch 20 of an automatic reset type A contact structure that is turned on / off by the magnetic force of a magnet piece 19 provided on the fixture 14, and the reed switch 20 turned on / off. A transmission control means 21 is provided which converts an operation signal of the driving key switch 15 into a stop signal based on the OFF signal and transmits the stop signal through the transmission means 18.

As shown in the flow chart of FIG. 6, the transmission control means 21 samples the ON / OFF state of the reed switch 20 four times immediately after the operation key switch 15 is pressed, and these are all in the OFF state. In this case, it is determined that the remote control switch 10 has been removed, the operation signal of the driving key switch 15 is converted into a stop signal, and when the ON state is detected even once, it is determined that the remote control switch 10 is attached. The operation signal corresponding to the judged key switch 15 is transmitted through the transmission means 18.

The operation signal of the stop key switch 15a is transmitted from the transmission means 18 regardless of the ON / OFF signal of the reed switch 20.

In the above structure, the remote control switch 10
When the switch is properly attached to the mounting tool 14, the reed switch 20 of the remote control switch 10 comes into contact with the magnet piece 19 of the mounting tool 14 via the outer shell of the remote control switch 10, and O
N Then, by operating the operation key switch 15 or the stop key switch 15a of the remote control switch 10, the ventilation fan main body 1 can be remotely operated. Also, when the driving key switch 15 is pressed,
Even if the remote control switch 10 rattles and the distance between the magnet piece 19 and the reed switch 20 fluctuates and the switch 20 causes chattering, the transmission control means 21 samples the ON / OFF state of the reed switch 20 four times. When the ON state is detected even once, it is determined that the remote control switch 10 is attached, so that it is possible to reliably prevent erroneous transmission when the remote control switch 10 is attached.

When performing maintenance work such as inspection or cleaning of the ventilation fan body 1, the remote control switch 1
Even when a child other than the worker removes 0 from the fixture 14 and takes it to another place and operates the driving key switch 15, the remote control switch 10 is removed from the fixture 14 and at the same time the magnet piece 19 is removed. Reed switch 20 is separated and O
It becomes FF, and the transmission control means 21 converts the operation signal of the driving key switch 15 into a stop signal based on this.
Since this is transmitted through the transmitting means 18, the ventilation fan main body 1 does not operate unexpectedly, and when the remote control switch 10 is removed from the fixture 14, the operation key switch 15 or the stop key switch 15a is operated. By doing so, since the ventilation fan main body 1 can be stopped, the battery of the remote control switch 10 is depleted and the voltage is lowered during long-term use, and the remote control switch 10 is attached to the fixture 14. In the state, even if the transmission signal does not reach the ventilation fan main body 1 and the ventilation fan main body 1 cannot be stopped, by removing the remote control switch 10 from the fixture 14 and bringing the ventilation fan main body 1 to a place where the signal reaches, the ventilation fan The main body 1 can be reliably stopped.

As described above, according to the ventilation fan of the embodiment of the present invention, even if the remote control switch 10 is detached from the fixture 14 and operated from another place, the ventilation fan main body 1 cannot be operated. At the time of maintenance work of 1, the ventilation fan main body 1
By operating the, it is possible to reliably prevent the blower 2 from being injured by being caught in a finger or the like.

Further, when the battery of the remote control switch 10 is exhausted and the remote control switch 10 is attached to the fixture 14, even if the ventilation fan body 1 cannot be stopped, the remote control switch 10 is removed from the fixture 14. The ventilating fan main body 1 can be reliably stopped by bringing it close to a place where a signal reaches.

In the embodiment, the remote control switch 10 is attached to the attachment 1 by contact between the magnet piece 19 provided on the attachment 14 and the reed switch 20 provided on the remote control switch 10.
It is determined whether the remote control switch 10 is attached to the mounting tool 14 or removed from the mounting tool 14. However, the present invention is not limited to this. Remote control switch 10
A limit switch may be provided that is turned off when the tool is removed from the fixture 14, and there is no difference in the operation and effect.

Further, in the embodiment, the key switch 15 for driving is used.
Immediately after is pressed, the ON / OFF state of the reed switch 20 is sampled four times, and when all of these are in the OFF state, it is judged that the remote control switch 10 has been removed, and the operation signal of the operation key switch 15 is judged. Is converted to a stop signal, and if the ON state is detected even once,
The operation signal corresponding to the driving key switch 15 is determined to be transmitted through the transmitting means 18, but the number of times of sampling is not limited to this, and the mounting tool 14 includes a remote control switch. It goes without saying that the change may be made according to the mounting structure when the 10 is mounted.

[0021]

As is apparent from the above embodiments, according to the present invention, when the remote control switch is detached from the fitting and operated from another place, the ventilation fan main body cannot be operated, and therefore the ventilation fan main body cannot be operated. It is possible to reliably prevent injuries caused by fingers etc. being caught in the blower by operating the ventilation fan body from an unexpected place during maintenance work of the While the battery of the remote control switch is exhausted while the remote control switch is attached to the fixture, the remote control switch is attached even if the transmission signal does not reach the ventilation fan body and the ventilation fan body cannot be stopped. Since the ventilation fan main body can be stopped with it removed from the fixture, remove the remote control switch from the fixture and ventilate. By close to the reach of the signal to the body, it can provide a ventilating fan which is effective can be stopped reliably ventilating fan body.

[Brief description of drawings]

FIG. 1 is a perspective view showing an installed state of a ventilation fan according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing the installation state of the ventilation fan of the same embodiment.

FIG. 3 is a sectional view of a decorative panel portion of the ventilation fan of the same embodiment.

FIG. 4 is a sectional view of a remote control switch of the ventilation fan of the same embodiment.

FIG. 5 is an electric circuit diagram of a remote control switch of the ventilation fan of the embodiment.

FIG. 6 is a flowchart of a remote control switch of the ventilation fan of the same embodiment.

FIG. 7 is a cross-sectional view showing an installation state of a conventional ventilation fan.

[Explanation of symbols]

 1 Ventilation fan main body 2 Blower 10 Remote control switch 14 Fixture

Claims (1)

[Claims] 1. A ventilating fan main body having a box-like shape for internally and externally provided with a blower therein, and a remote control switch for remotely controlling the ventilating fan main body using a wireless signal, wherein the remote control switch is the ventilating fan. A ventilation fan that is detachably attached to a fixture that is fixed to a place away from the main body, and that can transmit a driving / stopping operation when attached to the fixture and only a stop operation when detaching.