JPH05338943A - 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 report destination switch means which, when a speech device 3 is operated when a speech inspection switch 2a is turned on or off, determines fault report state or inspection report state to input a fault report signal to a fault response device in order to set inspection mode or to input an inspection report signal to an inspection response device 6b in order to set inspection mode, is activated by turning a speech inspection switch 2a on. A switch means W which switches the report destination switch means to fault mode if the count value of an operation counter which counts the number of operations of the speech device 3 exceeds a predetermined value, is provided. This constitution ensures that speech state is established between the inside of a cage and a supervisory center after a predetermined number of operations of the speech device 3 even if the speech inspection switch 2a is faulty.

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 abnormal signal creation means 4h or the inspection notification signal created by the inspection signal creation means 4i to the monitoring center 6 via the notification 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 produces a voice indicating the necessary inspection contents toward 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 performed correctly or if the voice output is unclear, it is judged that the communication device 3 is abnormal, and the call inspection switch 2a is turned off again. Turn on the report start switch 3a
Then, the notification signal is input to the reporting destination switching means 4g through 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 abnormality signal generating means 4h is activated to generate an abnormality notification signal including necessary data, and this abnormality notification signal is supplied to the abnormality response device 6b via the reporting means 4j and the communication line 5. To be done. 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 communication check 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, if the call device is operated when the call inspection switch is OFF, it is determined that an abnormal report state has occurred, and an abnormal report signal is input to the abnormal response device to set an abnormal mode. When the device is operated, it is determined that it is in the inspection report state, and the inspection report signal is input to the inspection response device to set the inspection mode. And the stage, ON of the call inspection switch
By providing an operation counter for activating the communication device and the operation counter for calculating the number of operations of the communication device, and a switching means for operating when the count value of the operation counter exceeds a predetermined value and for switching the reporting destination switching means to the abnormal mode, To be achieved.

[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, an operation counter is provided, which is activated by turning on the call inspection switch and counts the number of times the communication device is operated. When the count value of the operation counter exceeds a predetermined value, switching is performed. The means is activated, and the reporting destination switching means is constantly switched to the abnormal mode. For this reason, even if the call inspection switch is in an abnormal state, when the communication device is operated a predetermined number of times, the switching means always sets the abnormal mode, and the abnormality notification signal is surely input to the abnormality response device of the monitoring center. It

[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 operation counter 4f is connected to the call control means 4e with respect to the elevator remote monitoring apparatus already described in FIG. The switching means W is connected between the destination switching means 4g. The operation counter 4f is activated by turning on the call inspection switch 2a,
The switching means W has a function of counting the number of operations of the communication device 3 by the ON operation of the call start switch 3a, and when the number of operations counted by the operation counter 4f becomes 2, the switching means W is activated to issue the report destination switching means. It has a function of switching the 4 g switch S to the terminal x side. 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. It is assumed that the call inspection switch 2a is in the ON state even though the call inspection switch 2a is out of order and the inspection worker turns off the call inspection switch 2a at the end of the inspection work of the communication device 3. In this state, the elevator becomes abnormal, the car 2 stops in the hoistway, and when the passenger operates the call start switch 3a, a notification signal is sent from the call control means 4e to the reporting destination switching means 4
Input to g. However, since the check report is input from the signal receiving unit 4b to the report destination switching unit 4g, the switch S is switched to the terminal y side, and the report signal is input to the check signal generating device 4i. Inspection signal creation means 4
i operates to generate an inspection report signal including necessary data, and the inspection report signal is supplied to the inspection response device 6b via the reporting means 4j and the communication line 5. Inspection response device 6b
Outputs an inspection start signal when it receives an inspection report signal,
This inspection start signal 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. The voice signal of the abnormal call from the handset 3b of the passenger is
It is transmitted to the inspection response device 6b via the call control means 4e, the reporting destination switching means 4g, the inspection signal creating means 4i, the reporting means 4j and the communication line 5 and recorded. Then, the recorded voice signal is transmitted to the handset 3b again and is output as voice from the handset 3.

Then, when the passenger who knows that the emergency call state with the monitoring center 6 has not been set, operates the call start switch 3a again, and the operation counter 4f counts the number of times 2 of operation of the communication start switch 3a, The switching means W operates and the switch S of the reporting destination switching means 4g is switched to the terminal x side. For this reason, when the passenger makes an abnormal call from the handset 3b, the call signal is input to the abnormal signal creating means 4h via the call control means 4e and the reporting destination switching means 4g, and the abnormal signal creating means 4h is activated. The abnormality notification signal including the necessary data is generated by the operation, and the abnormality notification signal is issued together with the call signal from the handset 3b, and the reporting means 4j,
It is supplied to the abnormality response device 6b via the communication line 5. By receiving this abnormality notification signal and the call signal, the operator of the monitoring center 6 can know the content of the accident from the call signal together with the site information such as the terminal monitoring device NO of the elevator where the abnormality has occurred and the elevator NO. Since the passengers will immediately start recovery using the handset of the monitoring center 6, contact the passenger so that they will wait for a while, promptly take appropriate measures, guide the car to the nearest floor and take the passenger to the car. Escape safely outside.

As described above, according to the embodiment, even if the call inspection switch 2a is in an abnormal state, if the passenger operates the communication start switch 3a more than once, the communication device 3 can be reliably connected to the communication device of the monitoring center 6. It becomes possible to make a call, and it is completely prevented that emergency communication cannot be established between the inside of the car and the monitoring center 6 due to an abnormality of the call inspection switch 2a.

In the embodiment, when the operation counter counts two operations of the communication device, the switching means operates to switch the setting mode of the reporting destination switching means to the abnormal mode. However, the present invention is not limited to this. It is not limited to the examples,
For example, the communication device can be switched to the abnormal mode by operating the communication device three times, and the communication device can be operated up to twice during the inspection work.

[0019]

According to the present invention, the call check switch O
The operation counter is activated by N, counts the number of times the communication device is operated, and when the count value exceeds a predetermined value, the switching means is activated to set the mode of the abnormal report state and the inspection report state. Since the switching means is switched to the abnormal mode, even if an abnormality occurs in the call check switch, if the operation of the communication device is performed a certain number of times, the communication state between the communication device in the car and the communication device in the monitoring center can be set reliably. Thus, there is provided an elevator remote monitoring device capable of promptly and appropriately responding 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.

[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 for constantly monitoring a control state of the elevator, and 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 for remotely monitoring the operation of the elevator, wherein the communication inspection switch When the communication device is operated when the communication device is off, it is determined that there is an abnormality notification state, an abnormality notification signal is input to the abnormality response device to set an abnormality mode, and when the communication device is operated when the call inspection switch is on. Notification destination switching means for determining the inspection report state, inputting the inspection report signal to the inspection response device to set the inspection mode, and the call inspection switch. An operation counter which is activated when the switch is turned on and which calculates the number of times the communication device is operated, and a switching means which operates when the count value of the operation counter exceeds a predetermined value and switches the reporting destination switching means to the abnormal mode. An elevator remote monitoring device comprising: