JPH0578069A - Control device for elevator door - Google Patents

Abstract

PURPOSE:To protect a specified person, and thereby prevent the occurrence of related troubles by prohibiting the specified person from using an elevator. CONSTITUTION:A specified person is allowed to carry a sensor 8 with him, and there are provided a detection device 5 detecting that the sensor 8 is positioned within a cage so as to issue a detection signal, an alarm unit 4 starting upon receiving the detection signal, and an auxiliary relay 9 keeping an elevator door open. If the specified person gets on the cage, an alarm is therefore given outside with the alarm unit actuated, the elevator door is kept open, the cage is not activated, the specified person is thereby prohibited from being out of a watching area, so that he is safely protected, and the occurrence of related troubles which is caused by his going out of the watching area, is also prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator door control device for controlling opening / closing of an elevator door.

[0002]

2. Description of the Related Art Regarding the opening / closing control of an elevator door in a conventional elevator, for example, the Japanese Utility Model Laid-Open No. 62-98681.
As disclosed in Japanese Patent Publication No. 63-262386 and Japanese Patent Laid-Open No. 63-262386, when a user operates a hall call button in an elevator hall or operates a car call button in a car, a call is registered, The car drives to the stop registration floor in response to the registered call. Then, when the car arrives at the stop registration floor, the opening / closing device of the elevator door is activated, and the elevator door including the landing door and the car door is opened,
A predetermined time after the elevator doors are fully opened, the elevator doors are closed and the car starts traveling toward the next stop registration floor.

[0003]

By the way, a building in which an elevator is installed is, depending on its type or construction site, for a specific customer (hereinafter referred to as a specific person) who meets a predetermined condition. In order to ensure the safety and protection of a specific person and prevent the occurrence of related accidents by forming a protected area, the specific person may want to prohibit the use of the elevator installed in the building. For example, of patients who are hospitalized, a specific person with a wandering mental disorder
If one goes out of the hospital by using the elevator alone, the safety of the specific person cannot be guaranteed, so we would like to prohibit the specific person from using the elevator installed in the hospital.
The same is true for the toddlers of high-rises built in urban areas.Elevators of this kind of skyscraper should not be used alone by a specific infant, so it is safer for young children. It is desirable to guarantee the safety and prevent the occurrence of traffic accidents and kidnappings. In addition, it is important for prison elevators to ensure that the inhabitants of the surrounding area are safe and prevent the occurrence of related injury cases by making prisoners with a risk of escape into specified persons and preventing them from being used. Is desirable.

The present invention has been made in view of the current state of elevators and demands for elevators as described above, and its purpose is to prohibit the use of an elevator by a specific person, thereby protecting the specific person and related accidents. It is an object of the present invention to provide a control device for an elevator door, which makes it possible to prevent the occurrence of

[0005]

The object of the present invention is to control an elevator door, which opens the elevator door when a car stops at a stop registration floor and closes the elevator door a predetermined time after the elevator door is fully opened. In the device, a sensor carried by a specific person, and provided in the car,
A detection device that detects that the sensor is located in the car and issues a detection signal, an alarm device that operates by the detection signal, and an opening that operates by the detection signal and maintains the open state of the elevator door. And maintenance means.

[0006]

With this structure, when the person carrying the sensor gets into the car, the detection device detects that the sensor is located in the car, and the detection device issues a detection signal. According to this detection signal, the alarm device is activated to issue an alarm to the outside, and at the same time, the opening maintaining means is activated, the elevator door is maintained in the open state, and the use of the elevator by a specific person is prohibited.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A case in which an embodiment of the present invention is applied to an elevator in a hospital will be described below with reference to FIGS. Here, FIG. 1 is a circuit diagram showing the configuration of the embodiment,
FIG. 2 is a perspective view of the car according to the embodiment.

In FIG. 2, 1 is a ceiling of an elevator car installed in a hospital, 2 is a car door, and an operation panel 3 is provided on a side wall of the car door 2, and this operation panel 3 is provided. An alarm device 4 is provided above. The ceiling 1 of the car is provided with a detection device 5 having an antenna 6. In the figure, 7 is a specific person who is a patient with a wandering mental disorder, and a sensor 8 is sewn to the clothes of the specific person 7.

As shown in FIG. 1, a detection device 5 having an antenna 6 is connected between the DC power supply terminals P and N, and an electromagnetic wave 15 emitted from the antenna 6 is reflected by the sensor 8 and reflected by the sensor 8. When the detector 6 receives the signal, the detector 5 outputs a detection signal. Further, a series connection circuit of the normally open contact 5a of the detection device 5 and the auxiliary relay 9 and the normally open contact 9a of the auxiliary relay 9 between the DC power supply terminals P and N.
And a series connection circuit of the alarm device 4 are connected in parallel with each other. Further, between the DC power supply terminals P and N, a normally open contact 10a of a relay (not shown), a normally closed contact 9b of the auxiliary relay 9, and a car for giving a closing command to the elevator door including the car door 2 and a landing door (not shown). Contact 1 that opens mechanically at the closed end of door 2
A relay 12 for closing 1b and the car door 2 is connected in series with each other, and a normally open contact 12a of the relay 12 is connected in parallel with the normally open contact 10a. In the above configuration, the auxiliary relay 9 and the normally open contact 9a correspond to the opening maintaining means of the present invention.

Next, the operation of the embodiment having such a configuration will be described. First, the opening / closing operation of the elevator door including the car door 2 and the landing door (not shown) during normal times (when the detection device 5 is not operating) will be described.

When the car arrives at the hall, the car door 2 and the hall door (not shown) are opened by a command to open the elevator door, and after the elevator door is completely opened, the door is closed. A command is issued. In this normal time,
Since the detection device 5 is not operating, the normally closed contact 5a is open and the auxiliary relay 9 is in the deenergized state.
Keeps the open state, and the normally closed contact 9b keeps the closed state. Therefore, when the door close command is issued, the normally open contact 1
0a is closed, so DC power supply terminal P, normally open contact 10
A, the normally closed contact 9b, the normally closed contact 11b, the relay 12 and the DC power supply terminal N form a closed circuit, the relay 12 is energized to close the normally open contact 12a, and the relay 12 is held by itself. Since the relay 12 is kept energized in this way, the elevator door is closed, and when the elevator door is completely closed, the normally closed contact 11b is opened and the relay 12 is de-energized. In response, the vehicle is controlled by an operation control device (not shown) and travels toward the next stop registration floor.

Next, when the elevator door is abnormal (detection device 5
The opening / closing operation of the elevator door (during operation) will be described. In this case, when the car arrives at the hall, the elevator door including the car door 2 and the hall door (not shown) is opened by a door opening command for the elevator door, and the specific person 7 gets into the car. come. Therefore, the electromagnetic wave emitted from the antenna 6 is reflected by the sensor 8 carried by the specific person 7, the detection device 5 detects the reflected electromagnetic wave, and the detection device 5 outputs a detection signal. Since the normally open contact 5a is closed by this detection signal, the DC power supply terminal P, the normally open contact 5a,
A closed circuit is formed by the auxiliary relay 9 and the DC power supply terminal N,
The auxiliary relay 9 is energized. Thus, when the auxiliary relay 9 is energized, the normally open contact 9a is closed and the normally closed contact 9b is opened.

For this reason, the DC power supply terminal P,
A normally closed contact 9a, the alarm device 4 and the DC power supply terminal N form a closed circuit, and the alarm device is activated to alert the occurrence of an abnormal situation in which the specific person 7 has entered the car. About the outside. Even when the elevator door is fully opened and a predetermined time has elapsed, the relay 12 is not energized because the normally closed contact 9b is open, and the elevator door is maintained in the open state. Therefore, when a nurse or an attendant family who knows that an abnormal situation has occurred due to the operation of the alarm device 4 takes out the specified person 7 from the car, the detection device 5 becomes inoperative and the elevator door is closed, and the specified person 7 Cars with passengers other than the above will start traveling in response to call registration.

As described above, according to the embodiment, even if the specific person 7 having a wandering mental disorder leaves the hospital room and gets on the elevator to go to another floor, an alarm is issued when the specific person 7 gets into the car. The car does not start running because 5 is activated and the elevator doors do not close. For this reason, the specific person 7 is safely protected by a nurse or an attending family member who knows that an abnormal situation has occurred due to the operation of the alarm device 5, and the specific person 7 cannot go out of the monitoring area. Complete protection of specific persons.

Although the sensor carried by the specific person reflects the electromagnetic wave from the antenna and the reflected electromagnetic wave is detected by the detector in the embodiment, the invention is limited to the embodiment. Alternatively, the detection device 5 may detect an electromagnetic wave of a specific frequency transmitted by a sensor carried by a specific person.

[0016]

As described in detail above, according to the present invention, a detection device for detecting that a specific person carrying a sensor is located in a car and issuing a detection signal, and an alarm activated by the detection signal. And an opening maintaining means that operates in response to the detection signal and maintains the opened state of the elevator door, and when a specific person gets into the elevator car, an alarm device is activated to keep the elevator door open. As a result, the specified person is prevented from using the elevator to get out of the monitored area, and the specified person is safely protected and monitored.
Related accidents caused by a specific person leaving the surveillance area are completely prevented.

[Brief description of drawings]

FIG. 1 is a circuit diagram showing a configuration of an exemplary embodiment of the present invention.

FIG. 2 is an explanatory diagram of an elevator car to which an embodiment of the present invention is applied.

[Explanation of symbols]

 2 Car door 4 Alarm device 5 Detector 6 Antenna 7 Specified person 8 Sensor 9 Auxiliary relay 12 Relay

Claims (1)

[Claims] 1. When a car stops at a stop registration floor, an elevator door is opened, and a predetermined time after the elevator door is fully opened, the elevator door control device that closes the elevator door is carried by a specific person. A sensor, a detection device provided in the car, which detects that the sensor is located in the car and issues a detection signal, an alarm device which operates with the detection signal, and an alarm device which operates with the detection signal. An elevator door control device, comprising: an opening maintaining unit that maintains an open state of the elevator door.