JPH05338944A - Elevator remote supervision device - Google Patents

Abstract

PURPOSE:To provide an elevator remote supervision device which ensures that a fault report from a speech device in a cage is sent to a supervisory center even if a speech inspection switch is faulty. CONSTITUTION:A fault detection means 4c for detecting a fault in the control operation of an elevator determines fault report state or inspection speech state when a speech device 3 is operated when a speech inspection switch 2a is turned on or off. Provided are a report destination switch means which inputs a fault report signal to a fault response device 6a in order to set fault mode or inputs an inspection report signal to an inspection response device 6b in order to set inspection mode, and a switch means which switches the report destination switch means to fault mode if the fault detection means 4c detects a fault in the control of the elevator before the speech device is operated while the speech inspection switch 2a is on. This constitution ensures that speech state is established between the inside of a cage and a supervisory center even if the speech inspection switch 2a is faulty, thereby allowing the abnormal state of the elevator to be handled promptly and adequately.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator remote monitoring device for remotely monitoring the operation of an elevator at a monitoring center.

[0002]

2. Description of the Related Art An elevator remote monitoring device for remotely monitoring the operation of an elevator at a monitoring center via a communication line is disclosed in, for example, Japanese Patent Application Laid-Open No. 3-18572. In order to realize safe driving, it is necessary for the device to reliably receive a report from the communication device for emergency communication provided in the car at the monitoring center.

FIG. 2 is a block diagram showing the configuration of the elevator remote monitoring device according to the above disclosure. In the elevator car 2, an emergency communication call device 3 having a call start switch 3a and a handset 3b is provided. A call check switch 2a and a relay P that is energized by operating the call check switch 2a are provided, and an elevator control panel 1 is connected to the car 2. In addition, the terminal monitoring device 4,
Communication port 4a, signal receiving means 4b, abnormality detecting means 4
c, unrecovery canceling means 4d, reporting destination switching means 4g provided with a changeover switch S, abnormal signal creating means 4h, inspection signal creating means 4i, reporting means 4j, call control means 4e and CPU.
4k is provided. In this terminal monitoring device 4, the reporting destination switching means 4g, the signal receiving means 4b, the non-restoration canceling means 4d,
The call control means 4e, the abnormal signal creating means 4h and the inspection signal creating means 4i are connected, and the signal receiving means 4b is
The abnormality detecting means 4c, the signal port 4a and the non-recovery canceling means 4d are connected, and the non-recovery canceling means 4d is connected to the reporting destination switching means 4g. Also, the abnormal signal creating means 4h
The abnormality detecting means 4c and the alarm issuing means 4j are connected to each other, the alarm signal generating means 4j is connected to the alarm issuing means 4j, and the communication port 4a is connected to the elevator control panel 1 and the call control means. 4e are connected to the communication device 3, respectively. Although not shown, the CPU 4k includes a signal receiving unit 4b, an abnormality detecting unit 4c, a non-restoration canceling unit 4d, a reporting destination switching unit 4g, a reporting unit 4j, a call control unit 4e, and an abnormal signal creating unit. 4h and check signal generating means 4i, and is configured to control the operation of these means as a whole. Further, the monitoring center 6 includes an abnormality response device 6
a and the inspection response device 6b are provided, and the abnormality response device 6
A and the inspection response device 6b are connected to the reporting means 4j of the terminal monitoring device 4 via the communication line 5.

Here, the signal receiving means 4b has a function of receiving a signal from the elevator control panel 1 via the communication port 4a, and the abnormality detecting means 4c receives the signal received by the signal receiving means 4b. It has a function of analyzing and detecting an abnormality in elevator control, and the non-restoration canceling means 4d inputs the check report of the call check switch 2a from the signal receiving means 4b, and the call check switch is kept even if a predetermined time elapses. When the operation of 2a is not released, it has a function of releasing the operation.
Further, the call control means 4e has a function of inputting a call signal from the communication device 3 to the reporting destination switching means 4g, and the reporting destination switching means 4g is in a state in which the inspection reporting is not input from the signal receiving means 4b. Then, when a notification signal is input from the call control device 4e, the switch S is switched to the x terminal side to set the abnormal mode, and in the state where the inspection report is input from the signal receiving means 4b, the call control device 4e When a notification signal is input, it has a function of switching the switch S to the y terminal side and setting the inspection mode. Further, the reporting means 4j has a function of transmitting the abnormality notification signal created by the abnormality signal creation means 4h or the inspection notification signal created by the inspection signal creation means 4i to the monitoring center 6 via the communication line. There is.
The CPU 4k has a function of controlling the operation of the terminal monitoring device 4 as a whole, and the abnormality response device 6a has a function corresponding to the abnormality notification signal.
Has a function corresponding to the inspection notification signal.

Next, the operation of the elevator remote monitoring device having such a configuration will be described. First, when inspecting the communication device 3, an inspector gets into the car 2 and
When the call inspection switch 2a is turned on, the relay P is energized, and the elevator control panel 1 issues an inspection report, and this inspection report is sent to the report destination switching means via the communication port 4a and the signal receiving means 4b. Input to 4g. Next, when the inspection worker turns on the call start switch 3a, the communication device 3
A notification signal is issued from the device, and this notification signal is input to the reporting destination switching means 4g via the call control means 4e.

In the reporting destination switching means 4g, the call control means 4 is operated while the inspection reporting is input from the signal receiving means 4b.
When a report signal is input from e, the switch S is switched to the y side, the check signal creating means 4i is activated to create a check report signal containing necessary data, and this check report signal is issued by the reporting means 4j, Inspection response device 6b via communication line 5
Is supplied to. When the inspection response device 6b receives the inspection notification signal, it outputs an inspection start signal, and this inspection start signal is
It is input to the communication device 3 via the communication line 5 and the terminal monitoring device 4 and is output as voice from the handset 3b. Upon reception of this inspection start signal, the inspection worker starts the inspection work.

In this inspection work, when the inspection worker utters a voice indicating necessary inspection contents to the handset 3b,
The voice signal is used as the call control means 4e and the reporting destination switching means 4
g, the inspection signal creating means 4i, the reporting means 4j and the communication line 5 are transmitted to the inspection response device 6b and recorded. Then, the recorded voice signal is transmitted again to the handset 3 through the reverse route and is output as voice from the handset 3b, so that the inspector confirms that the voice output can be clearly heard and makes a call. The inspection switch 2a is turned off to complete the inspection work.

If the voice output from the handset 3b is not accurate or the voice output is unclear,
It is judged that the communication device 3 is abnormal, and the communication check switch 2
a is turned off and the call start switch 3a is turned on again, and a notification signal is input to the reporting destination switching means 4g via the call control means 4e. In the reporting destination switching means 4g, when the notification signal is input from the call control means 4e in a state where the inspection reporting is not input from the signal receiving means 4b, the switch S is switched to the x side and the abnormal signal generating means 4h is activated. Then, an abnormality notification signal including necessary data is created, and this abnormality notification signal is supplied to the abnormality response device 6b via the reporting means 4j and the communication line 5. By receiving the abnormality notification signal, the monitoring center 6 can know the site information such as the elevator NO and the corresponding terminal monitoring device NO that are confirmed to have an abnormality in the communication device 3 by the inspection work. The worker continues the detailed inspection work of the communication device 3 to recover from the abnormality.

At the end of this inspection work, if the inspection worker forgets to turn off the call inspection switch 2a, the unrestored release means 4d operates and a release signal is issued after a lapse of a predetermined time. It is input to the destination switching means 4g, and the switch S is switched to the terminal x side.

[0010]

In the above-mentioned elevator remote monitoring device, even if the call inspection switch 2a itself fails and the inspection worker sets the call inspection switch 2a to OFF, the alarm destination switching means 4g does not operate. If the switch S cannot be switched to the terminal x side, a problem will occur in the safe operation of the elevator. In this state, after the inspection work is completed and the inspection worker sets the call inspection switch 2a to OFF and leaves the car, for example, an accident occurs in which the car stops in the hoistway, and Even if the passenger turns on the call start switch 3a, in this case, the reporting destination switching means 4
The terminal of g is not switched to the x side. in this way,
Even if the passenger in the car turns on the call switch 3a and reports the occurrence of an abnormality from the handset 3b of the communication device 3 while the terminal is switched to the y side, at the time of checking the communication device 3 already described. Since the connection state is similar to the above, the voice signal related to the notification of the abnormality occurrence of the passenger is recorded in the inspection response device 6b, is again voice output from the handset 3b, and is not transmitted to the abnormality response device 6a.

The present invention has been made in view of the current state of operation of the remote monitoring device for an elevator as described above,
It is therefore an object of the present invention to provide a remote monitoring device for an elevator, in which even if an abnormality occurs in the call inspection switch, a notification of the abnormality from the communication device in the car is reliably transmitted to the monitoring center.

[0012]

An object of the present invention is to provide an elevator having a communication device for emergency contact in a car and a call inspection switch for the communication device, and an elevator connected to the elevator to keep the control state of the elevator at all times. Elevator remote monitoring including a terminal monitoring device for monitoring, a monitoring center connected to the terminal monitoring device via a communication line, including an abnormality response device and an inspection response device, and remotely monitoring the operation of the elevator In the device, an abnormality detecting means for detecting an abnormality in the control operation of the elevator, and when the communication device is operated when the call inspection switch is turned off, it is determined to be in an abnormal report state, and an abnormal report signal is input to the abnormal response device. Then, the abnormal mode is set, and if the call device is operated when the call check switch is turned on, it is judged as a check report state and the check report message is sent. To the inspection response device to set an inspection mode, and when the call inspection switch is ON, the abnormality detection means detects an abnormality in the control of the elevator before the operation of the communication device. Then, it is activated, and it is achieved by providing a switching means for switching the reporting destination switching means to the abnormal mode.

[0013]

With this structure, when the call destination switching means operates the call device for emergency contact in the car when the call check switch is turned off, it is determined to be in an abnormal report state,
If the communication device is operated when the call inspection switch is ON, it is determined that the call is in the inspection report state, and the abnormal mode and the inspection mode are set respectively. When the reporting destination switching means sets the abnormal mode, an abnormal notification signal is input to the abnormal response device of the monitoring center based on the operation of the communication device, and when the inspection mode is set, the communication device is operated. Based on this, the inspection report signal is input to the inspection response device of the monitoring center. By the way, a switching means is provided, and this switching means keeps the alarm destination switching means constantly operating when the abnormality detection means detects an abnormality in the elevator control operation before the operation of the communication device when the call inspection switch is ON. Switch to abnormal mode. Therefore, even if the call inspection switch is in an abnormal state, the abnormality notification signal from the communication device is surely input to the abnormality response device of the monitoring center.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG. Here, FIG. 1 is a block diagram showing the configuration of the embodiment. As shown in the figure, in the embodiment, the input terminal of the switching means W is connected to the abnormality detecting means 4c, and the output terminal of the switching means W is connected to the elevator remote monitoring apparatus described in FIG. It is connected to the destination switching means 4f. This switching means W is a notification destination switching means 4g when the abnormality detection means 4c detects an abnormality in the elevator control operation before the operation of the communication device 3 when the call inspection switch is ON.
Has a function of always switching to the abnormal mode. The configuration of the other parts of the embodiment is the same as that of the elevator remote monitoring device already described with reference to FIG.

Next, in the embodiment, the call inspection switch 2
The operation at the time of emergency contact by the communication device 3 when an abnormality occurs in a will be described with reference to FIG. Here, FIG. 3 is a time chart showing the operation of the embodiment. In the embodiment, the call inspection switch 2a is out of order, and an inspection worker turns on the call inspection switch 2a at time X1 as shown in FIG. It is assumed that the call inspection switch 2a is in the ON state even though the call inspection switch 2a is turned off at the end of the work. In this state, when an abnormality occurs in the control operation of the elevator at time X2, if the call start switch 3a is OFF and the communication device 3 is not operated at that time, the switching unit W operates and the reporting destination switching unit 4g. Switch S is switched to the terminal x side. Due to this abnormality in the elevator control operation, for example, when the car stops in the hoistway and the passenger operates the call start switch 3a, a notification signal is input from the call control means 4e to the reporting destination switching means 4g. At the same time, the abnormality detection signal from the abnormality detection means 4c is input to the abnormality signal generation means 4h, and the abnormality signal generation means 4
When h is activated, an abnormality notification signal containing necessary data is created.

In this case, although the check report is input from the signal receiving unit 4b to the report destination switching unit 4g, the switch S switches the switch S to the terminal x side, and the report signal is sent by the passenger. It is input to the abnormal signal creating device 4h together with the abnormal call signal from the handset 3b. Therefore, the abnormality notification signal including the necessary data created by the abnormality signal creation means 4h and the abnormal call signal from the handset 3b of the passenger are sent to the abnormality response device 6 via the reporting means 4j and the communication line 5.
b. Upon reception of the abnormality notification signal and the call signal, the operator of the monitoring center 6 determines that the elevator terminal monitoring device NO and the elevator NO where the abnormality has occurred.
It is possible to understand the details of the abnormality together with the site information such as, and to know the details of the accident from the call signal. Therefore, the operator uses the handset of the monitoring center 6 to immediately start the recovery to the passengers. Allow passengers to safely escape from the car.

When the abnormality is detected in the elevator control operation of the abnormality detecting means 4c and the communication device 3 is being operated and is in the inspection mode, the switching means W is the switching destination switching means 4g.
The inspection mode is maintained without switching to the abnormal mode. In this case, an abnormality notification signal including necessary data created by the abnormality signal creating means by the input of the abnormality detection signal from the abnormality detecting means 4c is supplied to the abnormality responding device 6b via the reporting means 4j and the communication line 5. Then, in the monitoring center, it is possible to know the site information of the elevator NO or the terminal monitoring device NO in which the abnormality has occurred and the information of the abnormality content by this abnormality notification signal. Then, the inspector just continues to use the telephone device 3
The inspection work of can be continued.

As described above, according to the embodiment, even if the call inspection switch 2a is in an abnormal state, if the abnormality detecting means 4c detects an abnormality in the elevator control operation before the operation of the communication device 3, the switching means W is provided. Since the notification destination switching means is switched to the terminal x side, the passenger in the car can reliably communicate with the communication device of the monitoring center 6 by the communication device 3, and when the call inspection switch 2a is abnormal, the passenger car It is completely prevented that emergency communication cannot be established between the inside and the monitoring center 6.

[0019]

According to the present invention, when the abnormality detecting means detects an abnormality in the elevator control operation before the operation of the telephone, the switching means switches the reporting destination switching means to the abnormal mode setting state. Even if the call check switch is in an abnormal state, passengers in the car can reliably communicate with the monitoring center using the communication device, and emergency communication between the car and the monitoring center can be made due to an error in the call check switch. There is provided an elevator remote monitoring device that is completely prevented from running out, and that can respond quickly and accurately to an abnormal situation of an elevator that has occurred.

[Brief description of drawings]

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

FIG. 2 is a block diagram showing a configuration of a conventional elevator remote monitoring device.

FIG. 3 is a time chart showing the operation of the embodiment of the present invention.

[Explanation of symbols]

 1 Elevator Control Panel 2 Car 2a Call Check Switch 3 Call Device 3a Communication Start Switch 3b Handset 4 Terminal Monitoring Device 4a Communication Port 4b Signal Receiving Means 4c Abnormality Detecting Means 4d Call Recovery Means 4f Operation Counter 4g Notification destination switching means 4h Abnormal signal creating means 4i Inspection signal creating means 4j Warning means 4k CPU W switching means 5 Communication line 6 Monitoring center 6a Abnormal response device 6b Inspection response device

Claims (1)

[Claims] 1. An elevator having a communication device for emergency contact in a car and a call inspection switch for the communication device, a terminal monitoring device connected to the elevator and constantly monitoring a control state of the elevator, An elevator remote monitoring device, which is connected to a terminal monitoring device through a communication line, includes an abnormality response device and an inspection response device, and includes a monitoring center that remotely monitors the operation of the elevator, in which an elevator control operation is performed. Abnormality detecting means for detecting an abnormality of, and when the communication device is operated when the call inspection switch is OFF, it is determined to be in an abnormality notification state, and an abnormality notification signal is input to the abnormality response device to set an abnormality mode, If the communication device is operated when the call inspection switch is turned on, it is determined that the communication is in the inspection report state, and an inspection report signal is input to the inspection response device. And a warning destination switching means for setting an inspection mode, and when the abnormality detection means detects an abnormality in the control operation of the elevator before the operation of the communication device when the call inspection switch is ON, An elevator remote monitoring device, comprising: a switching unit that switches the destination switching unit to an abnormal mode.