JPH07293110A - Automatic door device - Google Patents

Abstract

PURPOSE:To prevent a rest room from being unavailable by unlocking a door in a state that no body is inside when the door is kept closed in a state that no body is in the rest room with a closing switch at an interior actuation section erronesously actuated, and concurrently opening the door with an opening switch at an exterior actuation section actuated. CONSTITUTION:When a man wants to be in a rest room 1, a door is opened with an exterior opening switch 3a at an exterior actuation section actuated, after he has entered, an interior closing switch 45 at an interior actuation section is actuated so as to allow the door 2 to be closed. A door is then locked by a lock mechanism, and concurrently an in-use lamp 3c and a lock lamp 4c are lighted. Besides, when the door 2 is kept closed because an user loses consciousness for example, and the like, the door is opened with a key switch 3d actuated by a helper and the like. Furthermore, a close prevention actuation section is provided, which unlocks the lock mechanism in a state that no body is in the rest room 1. If the switch 4b is actuated by mistake when he comes out of the rest room, the door 2 can be opened with the switch 3a actuated. With this constitution, the rest room can be prevented from being unavailable with the rest room kept closed, and the device can cope with the various kinds of specifications.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic door device installed in a toilet for a disabled person such as a hospital toilet, station building, government building, welfare center and the like.

[0002]

2. Description of the Related Art A conventional automatic door device includes an automatic opening / closing door provided at a frontage of a toilet, an outdoor operation section mounted on an outdoor surface near the frontage of the toilet to open and close the door, and It is provided with an indoor operation section that is installed inside the toilet room to open and close the door, and a lock mechanism that restricts the opening and closing operation of the door.

The outdoor operation section has an external open switch and an external close switch, and the door is opened when the external open switch is operated, and the door is closed when the external close switch is operated. The indoor operation unit has an internal open switch and an internal close switch, and the door is opened when the internal open switch is operated, and the door is closed when the internal close switch is operated. The lock mechanism automatically locks the door when the door is closed by operating the internal close switch of the indoor operation unit, and automatically when the door is opened by operating the internal open switch. It unlocks.

In the above automatic door device, even if the internal open switch is operated to operate the external open switch with the door closed, the lock mechanism is operated unless the internal open switch of the indoor operation section is operated. Does not unlock, the door cannot be opened from outside the toilet. this is,
This is to prevent the door from being inadvertently opened by a third party while using the toilet (page 44 of "Living space for persons with disabilities", published by Japan Rehabilitation Institute for Persons with Disabilities).

[0005]

However, when leaving the toilet, it is usual to operate the external close switch to close the door after leaving the toilet, but as a safety measure. Since the opening / closing operation of the door is set to a relatively low speed, even if the internal close switch is operated in the toilet, immediately after this operation, the operator can go out of the toilet by the time the door is closed. You can Therefore, if the internal close switch is operated when the user accidentally leaves the room, or if the internal close switch is operated by reaching out from the outside of the toilet by mischief, the inside of the toilet is unattended and the door is opened. There is a problem that the toilet becomes unusable because the door is closed and the door cannot be opened even if the external open switch is operated as described above.

An object of the present invention is to provide an automatic door device which prevents the toilet from being closed due to erroneous operation or mischief.

[0007]

An automatic door device according to claim 1, wherein a door provided at the front of the toilet, driving means for opening and closing the door based on an open signal and a close signal, and the outdoor of the toilet. An outdoor operation unit having an external open switch for transmitting an open signal and an external close switch for transmitting a close signal,
An indoor operation unit that is installed inside the toilet room and has an internal open switch that transmits an open signal and an internal close switch that transmits a close signal, and the door is locked based on the closed signal of the internal close switch of the indoor operation unit An automatic door device provided with a lock mechanism for unlocking a door based on an open signal of an open switch, in which a closing prevention device for unlocking the lock mechanism when the toilet is unattended is provided. .

According to another aspect of the present invention, in the automatic door apparatus, the closing prevention device detects the presence / absence of a person in the toilet, and the lock mechanism based on the absence detection signal transmitted from the detection means. And a control means for unlocking.

According to another aspect of the present invention, in the automatic door device, the closing prevention device operates the internal open switch of the indoor operation section, and then outputs a closing signal transmitted from the internal close switch of the indoor operation section to the driving means for a predetermined time. This is a timer circuit that shuts off.

According to another aspect of the present invention, in the automatic door device, the closing prevention device unlocks the lock mechanism based on the absence detection signal transmitted by the detection means detecting the absence of a person in the toilet. Control means, a timer circuit for interrupting a closing signal transmitted from the indoor closing switch of the indoor operating section to the driving means for a predetermined time after operating the internal opening switch of the indoor operating section, and the timer circuit for starting the control means. And a switching switch for switching the circuit to a stopped state or a state in which the control means is stopped and the timer circuit is started.

[0011]

According to the automatic door device of the first aspect, since the closing / closing prevention device for opening the lock mechanism in the unmanned state in the toilet is provided, it is possible to operate the internal closing switch of the indoor operation section. As a result, even if the door is closed when the toilet is unattended, the door can be opened by operating the external open switch of the outdoor operation unit.

According to the automatic door device of the second aspect, the closing prevention device unlocks the lock mechanism based on the detection means for detecting the absence / presence of a person in the toilet and the absence detection signal of the detection means. The lock mechanism does not lock even if the internal closing switch of the indoor operation unit is operated while the toilet is unattended because it comprises the control means for locking.

According to another aspect of the present invention, in the automatic door device, a closing signal transmitted from the internal closing switch of the indoor operating section to the driving means is predetermined after operating the internal opening switch of the indoor operating section. Since the timer circuit shuts off the time, the door does not close even if the internal close switch is operated by an erroneous operation immediately after the internal open switch of the indoor operation section is operated. Further, since the detecting means is unnecessary, the cost can be reduced.

According to the automatic door device of the fourth aspect, the closing prevention device unlocks the lock mechanism based on the absence detection signal transmitted from the detection means for detecting the absence / presence of a person in the toilet. Control means, a timer circuit for interrupting a closing signal transmitted from the internal close switch of the indoor operation section to the driving means for a predetermined time after operating the internal open switch of the indoor operation section, and the timer circuit for starting the control means And a switching switch for switching the control means to the stopped state and the timer circuit to the activated state, so that the specifications can be easily changed according to the installation location or purpose of use. .

That is, by switching the changeover switch, for example, an in-room sensor or the like is installed in the toilet to detect the absence of a person, and based on the absence detection signal transmitted from this in-room sensor or the like. The specifications for unlocking the lock mechanism and the operation of the internal open switch of the indoor operation unit for operating the indoor operation unit without installing an in-room sensor, etc. for reasons such as reducing equipment costs Even if the internal close switch is operated, the door will not close and the specification can be changed to prevent closing.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An automatic door apparatus according to an embodiment of the present invention is shown in FIG.
And, as shown in FIG. 2, a door 2 provided in the frontage 1a of the toilet 1 and the door 2 installed in the seamless space of the toilet 1
Drive means 2a for opening and closing the switch based on an open signal and a close signal
And a lock mechanism 2b built in the frontage 1a
And an outdoor operation unit 3 attached to the outside of the toilet 1,
An indoor operation unit 4 attached to the inside of the toilet 1; a detection unit 5 for detecting the absence / presence of a human in the sensor detection area A of the toilet 1; A converter 6 connected to the driving means 2a, the lock mechanism 2b, the outdoor operation section 3 and the indoor operation section 4 via wires.
It is equipped with and.

The toilet 1 has an interior light 1b, a handrail 1c, a toilet 1d and the like installed therein. The frontage 1a of the toilet 1 has a width that allows a wheelchair to come in and out. As the detection means 5, for example, an in-room sensor that senses the body temperature of the human body through infrared rays may be provided on the ceiling of the toilet 1, but it is not particularly limited, and the inside of the toilet 1 may be used. A light source and a light receiving portion are provided on one side surface and a reflector is provided on the other side surface, and it is possible to detect whether or not a human being exists by blocking a light beam traveling from the light source through the reflector to the light receiving portion by a human body. You may As the lock mechanism 2b, for example, an electric lock may be used so that the operating portion is projected from and retracted from the frontage 1a.
It can be mentioned that the opening / closing operation of the door 2 is restricted by mounting the door 2 in a seamless manner and engaging the operating portion with the door 2 in a concavo-convex manner.

As shown in FIG. 3, the outdoor operation section 3 includes an external open switch 3a, an external close switch 3b,
An in-use lamp 3c and a key switch 3d are provided on the front surface. When the external open switch 3a is pressed, an open signal is transmitted, and when the external close switch 3b is pressed, a close signal is transmitted. The indoor operation section 4 is provided with an internal open switch 4a, an internal close switch 4b and a locking lamp 4c on the front surface, and when the internal open switch 4a is pressed, an open signal is transmitted,
When the internal close switch 4b is pressed, a close signal is transmitted. The key switch 3d of the outdoor operation unit 3 is operated by inserting a key (not shown) so that the lock mechanism can be operated independently of the operation of the internal open switch 4a and the internal close switch 4b of the indoor operation unit 4. 2b is unlocked and the door is opened.

As shown in FIGS. 2 and 4, the converter 6 has a control means 6a for unlocking the lock mechanism 2b based on the absence detection signal of the detection means 5, and the indoor operation section 4. After operating the internal opening switch 4a of the above, the internal closing switch 4b of the indoor operating section 4 is moved to the driving means 2a.
A timer circuit 6b for shutting off a closing signal transmitted to the main body 7 for a predetermined time (for example, 10 seconds) is built in the main body 7, and the control means 6 is provided.
a state in which a is activated and the timer circuit 6b is stopped (hereinafter, detection means ON state), or a state in which the control means 6a is stopped and the timer circuit 6b is activated (hereinafter,
A change-over switch 6c for changing over to either of the detection means OFF state) is provided inside the main body 7. The main body 7 has mounting pieces 7a extending from both ends thereof screwed into the joint 1a shown in FIG.

A method of using the automatic door device of the above embodiment will be described. As shown in FIG. 5, when the user P enters the toilet 1, first, the external open switch 3 a of the outdoor operation unit 3 is operated to open the door 2. In this case, the interior light 1b may be turned on at the same time as the operation of the external opening switch 3a. Also, a forget-to-close function,
That is, a timer circuit is provided for starting timekeeping when the external open switch 3a is operated, and the timer circuit turns off the interior light 1b and forgets to close it after a predetermined time (for example, 30 seconds) has elapsed after operating the external open switch 3a. May be warned, and the door 2 may be closed after a predetermined time (for example, 5 seconds) has elapsed.

Next, as shown in FIGS. 6 and 7, when the user P enters the room 1 and operates the internal close switch 4b of the indoor operation section 4 to close the door 2, While the lock mechanism 2b is locked, the in-use lamp 3c of the outdoor operation unit 3 and the locked lamp 4c of the indoor operation unit 4 are turned on. In this state, even if the user P loses consciousness such as having a seizure and the door 2 is closed, the caregiver or the like operates the key switch 3 of the outdoor operation unit 3.
The door 2 can be opened by operating d.

On the contrary, when the user P leaves the toilet 1, the user P operates the internal open switch 4a of the indoor operation section 4 as shown in FIGS. When the mechanism 2b is unlocked and the door 2 is opened, the in-use lamp 3c of the outdoor operation unit 3 and the indoor operation unit 4 are further used.
The locking lamp 4c turns off. Next, when the user P exits from the toilet 1 and operates the external close switch 3b of the outdoor operation unit 3, the door 2 is closed. In this case, the interior light 1b may be turned off at the same time when the external close switch 3b is operated. In addition, a closing forgetting prevention function as described above may be provided.

As described above, since the closing prevention device for unlocking the lock mechanism 2b in the unmanned state of the toilet 1 is provided, the internal closing switch 4b of the indoor operation section 4 should be operated. As a result, the door 2 is left unattended in the toilet 1.
Even if is closed, the external open switch 3 of the outdoor operation unit 3
The door 2 can be opened by operating a. Therefore, even if the internal closing switch 4b is operated when the user exits the room by mistake, or when the internal closing switch 4b is operated by reaching out from the outside of the toilet 1 due to mischief, the outdoor operating unit 3 is opened outside. Since the door 2 can be opened by operating the switch 3a, the toilet 1 does not become unusable as in the conventional case.

Further, by switching the change-over switch 6c of the converter 6, the specifications can be changed according to the installation place of the toilet 1 and the purpose of use. That is, by operating the changeover switch 6c to turn on the detecting means, the detecting means 5 such as an in-room sensor detects the toilet 1
By detecting the absence of a person in the room and unlocking the lock mechanism 2b based on the absence detection signal, the detection means is turned off to operate the internal open switch 4a of the indoor operation section 4. Immediately after that, even if the internal closing switch 4b is operated for a certain period of time, it is possible to switch to a specification in which the door 2 does not close.

Therefore, it is possible to prevent the door 2 from being closed without installing an in-room sensor or the like for reasons such as a specification requiring installation of an in-room sensor or the like in the toilet 1, or for reasons such as equipment cost reduction. Any of the specifications that require the above can be easily dealt with at the construction stage, resulting in excellent productivity without increasing the number of models.

As a safety measure, in order to prevent the user P from being caught in the door 2 while passing through the frontage 1a, a light source is provided at one side edge of the frontage of the toilet 1. And a light receiving part and a reflector on the other side edge,
The user P detects that the user P is passing through the frontage 1a by blocking a light beam from the light source that goes through the reflector toward the light receiving unit, and the door 2 is detected based on this detection signal. It may not be closed temporarily. Also, while the door 2 is being closed, the user P
A safety return function may be provided to reverse the door 2 when it comes into contact with the door tip. In addition to this, it is conceivable to provide a call switch or the like in the toilet 1. Further, the lock mechanism 2b may be unlocked at the time of power failure so that the door 2 can be manually opened and closed.

[0027]

According to the automatic door device of claim 1,
Since there is a closing prevention device that unlocks the lock mechanism when the inside of the toilet is unattended, if you operate the internal closing switch when you accidentally leave the room, or if you reach out from outside the toilet by mischief Even when the internal close switch is operated, the door does not close due to the unattended state inside the toilet, and the door can be opened by operating the external open switch of the outdoor operation unit. Therefore, unlike the conventional case, the toilet is not closed and the toilet cannot be disabled.

According to the automatic door device of the second aspect, the closing prevention device locks based on the detection means for detecting the absence / presence of a person in the toilet and the absence detection signal transmitted from the detection means. Since it is the control means for unlocking the mechanism, the lock mechanism does not lock even if the internal close switch of the indoor operation section is operated while the toilet is unattended. Therefore, even if you accidentally leave the room and operate the internal close switch, or if you mischievously reach out of the toilet to operate the internal close switch, you can open the door by operating the external open switch on the outdoor operation unit. Therefore, the toilet does not become unusable unlike the conventional case.

According to the automatic door device of the third aspect of the present invention, after the closing prevention device operates the internal open switch of the indoor operation section, a predetermined closing signal is transmitted from the internal close switch of the indoor operation section to the drive means. Since the timer circuit shuts off the time, the door does not close even if the internal close switch of the indoor operation unit is operated immediately after the internal open switch of the indoor operation unit is operated.
Therefore, if the internal close switch is operated when the user accidentally leaves the room, the door can be opened by operating the external open switch of the outdoor operation unit, so that the toilet does not become unusable as in the conventional case. In addition, cost reduction can be achieved because detection means such as an in-room sensor is unnecessary.

According to the automatic door device of the fourth aspect, the closing prevention device detects the absence of a person in the toilet by the detecting means.
The control means for unlocking the lock mechanism based on the absence detection signal transmitted upon detecting the presence and the closing signal transmitted from the internal closing switch of the indoor operating section to the driving means after operating the internal open switch of the indoor operating section A timer circuit for interrupting a signal for a predetermined time; and a changeover switch for switching to one of a state in which the control means is activated and the timer circuit is stopped, or a state in which the control means is stopped and the timer circuit is activated. Since it consists of, the specifications can be easily changed according to the installation location and purpose of use.

That is, by switching the changeover switch, for example, a room sensor is installed in the toilet to detect the absence of a person, and the lock mechanism is unlocked based on the absence detection signal. , The door is not closed even if the internal close switch is operated until the predetermined time elapses by operating the internal open switch of the indoor operation unit without installing an in-room sensor etc. You can switch to specifications.

For this reason, it is required to prevent the door from being closed without installing a sensor for occupancy in the toilet, or for the reason that it requires installation of a sensor for occupancy in the toilet, or for reasons such as equipment cost reduction. Any of the above specifications can be easily dealt with at the construction stage, resulting in excellent productivity without increasing the number of models.

[Brief description of drawings]

FIG. 1 is a plan view of a toilet with an automatic door device according to an embodiment of the present invention.

FIG. 2 is a schematic diagram showing a configuration of a main part of an automatic door device according to an embodiment of the present invention.

FIG. 3A is a front view of an outdoor operation unit of an automatic door apparatus according to an embodiment of the present invention, and FIG. 3B is a front view of an indoor operation unit of an automatic door apparatus according to an embodiment of the present invention.

FIG. 4A is a plan view of a converter constituting an automatic door device according to an embodiment of the present invention, and FIG. 4B is a side view thereof.

FIG. 5 is a floor plan of the toilet showing a state where the door is opened by operating the outdoor operation unit of the automatic door apparatus according to the embodiment of the present invention.

FIG. 6 is a floor plan of the toilet showing a state where the user has opened the door of the automatic door apparatus according to the embodiment of the present invention.

FIG. 7 is a floor plan of the toilet showing a state in which the door is closed by operating the indoor operation unit of the automatic door apparatus according to the embodiment of the present invention.

FIG. 8 is a floor plan of the toilet showing a state where the door is opened by operating the indoor operation section of the automatic door apparatus according to the embodiment of the present invention.

FIG. 9 is a floor plan of the toilet showing a state where the door is closed by operating the outdoor operation unit of the automatic door apparatus according to the embodiment of the present invention.

[Explanation of symbols]

 1 Toilet 1a Frontage 2a Drive means 2b Lock mechanism 2 Door 3 Outdoor operation part 3a Internal open switch 3b Internal close switch 4 Indoor operation part 4a External open switch 4b External close switch 5 Detection means 6a Control means 6b Timer circuit 6c Changeover switch

Claims (4)

[Claims] 1. A door provided at a frontage of a toilet, driving means for opening and closing the door based on an opening signal and a closing signal, and an external opening switch and a closing device attached to the outside of the toilet for transmitting an opening signal. An outdoor operation unit having an external close switch for transmitting a signal, an indoor operation unit mounted inside the toilet for emitting an open signal and an internal close switch for transmitting a close signal, and the indoor operation unit In the automatic door device having a lock mechanism for locking the door based on a closing signal of the internal closing switch and unlocking the door based on an opening signal of the internal opening switch, the inside of the toilet is unattended An automatic door device comprising a closing prevention device for unlocking the lock mechanism. 2. The control device for closing and closing the lock mechanism based on a detection means for detecting the absence / presence of a person in the toilet and an absence detection signal transmitted from the detection means. The automatic door device according to claim 1, which comprises means. 3. A timer circuit for shutting off a closing signal transmitted from the internal closing switch of the indoor operating section to the driving means for a predetermined time after the internal-opening switch of the indoor operating section is operated by the shut-off prevention device. The automatic door device according to claim 1. 4. The control means for unlocking the lock mechanism based on an absence detection signal transmitted from a detection means for detecting the absence / presence of a person in the toilet, wherein the closing prevention device has a control means for unlocking the lock mechanism. A timer circuit for interrupting a closing signal transmitted from the internal closing switch of the indoor operating section to the driving means for a predetermined time after operating the internal opening switch of the operating section, and activating the control means and stopping the timer circuit. 2. The automatic door device according to claim 1, further comprising a changeover switch for changing over to one of a state and a state in which the control means is stopped and the timer circuit is activated.