JPH03106777A - Revone monitoring device for elevator - Google Patents

Abstract

PURPOSE:To reliably detect an elevator to which an accident occurs and to perform restoration of the elevator in a short time when an accident of passengers being confined in an elevator due to an earthquake occurs. CONSTITUTION:When abnormality, e.g. the stop of an elevator between floors, is detected by a failure detector 12, after an abnormality alarming controller 13 decides that a stop detecting signal 11b is outputted from a control device 11, an abnormality alarming signal 13a is outputted to a signal selector 14, where it is converted into a signal for circuit transmission. Abnormality information is automatically reported to maintenance center 17 through the working of an automatic telephone device 15. When a controller 13 detects that an operation signal 10a from an earthquake sensor 10 is outputted, a stop detecting signal 11b is detected from the control device 11 along with the stop of an elevator to a rearmost 11th floor. In this case, it is checked again whether or not a failure signal 12a is outputted from a failure detector 12. When it is decided that the failure signal is not outputted, when a given time elapses in a state that no failure signal is outputted, a sensor operation signal 13b is outputted to a selector 14 to effect report to the center 17.

Description

[Detailed description of the invention] [Industrial application field]

The invention of B relates to a remote monitoring device for an elevator equipped with an earthquake sensor, and particularly relates to a remote monitoring device for an elevator that automatically reports the operation of an earthquake sensor to a monitoring center via a telephone line.

[Conventional technology]

As an earthquake countermeasure for elevators, an earthquake control system has been established and widely used, in which when an earthquake of a certain level or higher occurs, an earthquake detector is activated to automatically stop the running elevator at the nearest floor. Therefore, an elevator equipped with an earthquake control system can safely stop when a wide-area earthquake of, for example, magnitude 4 to 5 occurs, thereby improving the safety of elevators against earthquakes. However, in the case of a wide-area earthquake, it takes a lot of time to restore elevator operation. In other words, even though elevators with earthquake control systems have functions related to earthquake detection, they do not have functions for diagnosing failures that occur during earthquakes. It is necessary to restore the system after confirming its safety. For this reason, when a large number of elevators in a region stop, such as during a wide-area earthquake, it is not possible to restore them in a short time. In contrast, the earthquake recovery system for elevators disclosed in JP-A-60-17081 adds various automatic inspection functions to the elevator, so that when the pill manager confirms that there are no abnormalities in the building, etc. This makes it possible to restore elevator operation without waiting for maintenance personnel to arrive. However, there is a problem in that it requires a large amount of cost to make the automatic inspection function of the elevator equivalent to the inspection performed by maintenance personnel. Therefore, in the past, a remote earthquake control operation monitoring system as shown in FIG. 3 has been proposed in order to shorten the elevator restoration time. In Figure 3, 1 is an earthquake sensor that activates when an earthquake of a certain level or higher occurs, 2 is an elevator control device that performs earthquake control operation and normal operation, and 3 is a telephone number 4I that alerts the earthquake occurrence.
This is an automatic telephone reporting device that notifies the maintenance center 5 via the telephone number 4. In the monitoring system having the above configuration, the earthquake sensor 1 is activated when it detects seismic vibration at a level that requires stopping the elevator. , the detection signal is output to the elevator control device 2 and the automatic telephone notification device 3. Upon receiving the earthquake detection signal, the elevator control device 2 performs earthquake control operation to automatically stop the elevator to the nearest floor. At the same time, the automatic telephone notification device 3 automatically reports to the maintenance center 5 via the telephone line 4 that the earthquake detection ll1 has been activated. In this way, the operation of the earthquake detectors 1 of the elevator group is constantly monitored at the maintenance center, so that the operation of the elevators can be restored at an early stage.

[The problem that the invention tries to solve! ! ! ]

In the conventional elevator monitoring system as described above, the operating status of the earthquake sensor M1 is simply automatically reported to the maintenance center by the automatic telephone notification device 3.
There is no problem when the maintenance center 5 receives the operating status from the i-sensor. However, since earthquakes that require elevators to be stopped are generally large in scale and spread over a wide area, many buildings within the earthquake area must be able to detect earthquakes at the same time as the earthquake occurs.
When s1 is activated, reports to the maintenance center 5 will be concentrated in a short period of time, and it is expected that the processing capacity of the telephone exchange will be exceeded and the telephone line will be disrupted. In particular, if an earthquake causes damage to elevator equipment or a malfunction occurs that cuts off the elevator power supply, maintenance will be required even if the elevator stops between floors and passengers are trapped in the car. There was a problem in that the means of reporting to the center did not work properly, resulting in significant delays in rescuing passengers. This invention was made to solve the above-mentioned problems, and even if a large-scale wide-area earthquake occurs, it is possible to remotely and reliably detect the elevator in which a passenger's canned food accident occurred. The purpose of the present invention is to provide a remote monitoring device for elevators that can remotely detect elevators that have become out of service due to the operation of the elevator, and enable early rescue and recovery measures.

[Means to solve the problem]

The remote monitoring device for an elevator according to the present invention includes a failure detection means for detecting an abnormal failure state such as an elevator stopping between floors, and a means for preventing the earthquake detection M operation from being notified to the maintenance center for a predetermined period of time. , giving priority to the abnormal failure state when the failure detecting means operates, and notifying the maintenance center, and maintaining the sensor operation on the condition that the abnormal failure notification is not issued after the elapse of the predetermined time; and control means for controlling alarms to the center.

[Effect]

In this invention, when an abnormal fault state such as a stoppage between floors is detected by the fault detection means within a predetermined period of time that prevents the seismic sensor from issuing an alarm, when the earthquake sensor is in operation, the ground is detected.
Abnormal failure conditions are automatically reported to the maintenance center with priority over reports made by To. Then, on the condition that no abnormal failure report has been issued after a predetermined period of time has elapsed, the operation of the earthquake sensor is automatically reported to the maintenance center. Therefore, in this invention, abnormal failures are reported prior to reports of earthquake sensor operation, so even if a passenger food accident occurs due to a stop between floors, it is possible to take countermeasures in a short time. In addition, it will also be possible to quickly restore elevators that have been rendered inoperable due to earthquake sensor operation.

【Example】

Embodiments of the present invention will be described below based on the drawings. FIG. 1 is a block diagram showing an embodiment of an elevator remote monitoring device according to the present invention. In the figure, earthquake sensing #s10 is activated when an earthquake vibration of a predetermined level or higher that causes the elevator to stop occurs, and maintains the output state of the operation signal 1a until it is manually reset. Upon receiving the operation signal 10a from the earthquake sensor 510, the elevator control device 11 controls the elevator to stop at the nearest floor, then prevents automatic operation of the elevator until the safety inspection is completed, and also sends various operation monitor signals 11a related to elevator operation. and outputs a stop detection signal 1lb. The failure detection@12 takes in various operation monitor signals 11a and detects abnormal failures such as elevator stopping between floors.
Outputs failure signal 12m. The abnormality alarm controller 13 takes in the operation signal 10a, stop detection signal 11b, and failure signal 12a from the earthquake sensor Nio, and outputs the abnormality alarm signal 13a and the earthquake sensor operation signal 13b when predetermined conditions are met. . Further, the signal selector 14 selectively inputs the operation monitor signal 11a, the abnormality alarm signal 13a, and the sensor operation signal 13b, converts it into a signal for line transmission, and outputs the signal. The automatic telephone device 15 transmits the signal outputted from the signal selection Wl14 by automatic dialing to the receiving device 17a of the maintenance center 17 via the telephone line network 16. , telephone line network 1
6 and the maintenance center 17 are connected by a telephone line 18.49. Furthermore, the uninterruptible power supply 20 supplies uninterruptible power to the abnormality alarm controller 13 and the signal selection@14. Next, the operation of the embodiment configured as described above will be explained with reference to FIG. FIG. 2 is a flowchart showing the operation of the abnormality reporting system rIsM13. First, in step 101, when the power is turned on,
Processing from step 102 onwards is executed. That is, in step 102 after the power is turned on, it is determined whether the failure signal 12m is output from the failure detection N12. Here, if it is determined to be rNOJ, step 103
Then, it is determined whether the motion signal 10a is output from the earthquake sensor 10. Here, if the determination is "NO", the process returns to step 102 {ζ, and if neither abnormal failure of the elevator nor operation of the earthquake sensor 10 is detected, the processes of steps 102 and 103 are repeatedly executed. On the other hand, if it is determined in step 102 that an abnormal failure such as an elevator stop between floors has been detected, the process proceeds to step 104, where it is determined whether a stop detection signal 1lb has been output from the elevator control device M11. When it is determined that the stop detection' signal 1lb has been output, the process proceeds to step 105, and the abnormality alarm signal 14a is output. That is, the signal selection N14 that receives this abnormality reporting signal 14a converts it into a signal for line transmission and selects one! Ifl speaker i11
Output to 5. The automatic telephone device 15 connects to the maintenance center 17 through the telephone line network 16 by automatic dialing.
The telephone line is closed and abnormality information is automatically reported to the maintenance center 17. Also, in step 103 above, the abnormality reporting control IJs
13 detects that the operation signal 10a is output from the earthquake sensor M10, the process proceeds to step 106, and determines whether a stop detection signal 1lb is detected from the elevator control unit [11] as the elevator stops at the nearest floor. Here, when it is determined that rYEsJ, the process moves to step 107, and it is checked again whether the failure signal 12a is output from the failure detector 12. Here, when it is determined that it is rYEsJ, the process proceeds to step 105 and an abnormality notification signal 13a is output. Further, when it is determined that rNOJ, that is, when no failure is detected, the process proceeds to step 101.8, and it is determined whether a predetermined period of time has elapsed without a failure signal. Here, if the predetermined time has not passed, step 107
, and repeat steps 107 and 10 until the predetermined time elapses.
Repeat step 8. When it is determined that the predetermined time has elapsed, the process proceeds to step 109 and the sensor operation signal 13b is output. That is, the signal selector 14 that receives this sensor operation signal 13b converts it into a signal for line transmission and sends it to the automatic telephone device 1.
Output to 5. The automatic telephone device 15 establishes a telephone line with the maintenance center 17 through the telephone line network 16 by automatic dialing, and automatically reports sensor operation information to the maintenance center 17. Note that if a failure is detected after a predetermined time has elapsed, the process proceeds to step 105 and an abnormality notification signal is output. In other words, if an abnormal failure such as a stop between floors is detected,
An abnormality alarm signal is immediately issued. In addition, earthquake detection 910
If the sensor is activated and a failure is detected after stopping, an abnormality alarm signal is output, and if no failure is detected after a predetermined period of time, a sensor operation signal is output. Therefore, when an earthquake occurs, an abnormal state such as an inter-floor stoppage is output to the signal selector l4 with priority over the alarm generated by the sensor Sa, and automatic dialing is performed by the automatic telephone system [15] to the receiving device 17 of the maintenance center 17. will be reported to. In addition, in the event of an earthquake, if an abnormality occurs between floors due to a power outage, the uninterruptible power supply 20 will be activated by the abnormality alarm controller 13.
Since power is supplied to the signal selection N14, a failure condition is detected and an abnormality alarm signal is immediately issued to automatically notify the maintenance center 17. In addition, if an earthquake occurs while the elevator is running in the express zone, there is an earthquake control operation in which the elevator is suddenly stopped and then rescued at low speed to the nearest floor, but this sudden stop is not detected as an abnormality by failure detection Wl12. It is easy to incorporate fault detection logic into the system. In this case as well, as shown in Figure 2, if the occurrence of a failure is checked until a predetermined period of time has elapsed after the earthquake sensor has operated, and then the sensor operation is reported, the above #1M detection The detected N operation can be reported to the maintenance center after the equipment operation is completed.

【Effect of the invention】

As explained above, according to the present invention, when a large-scale, wide-area earthquake that causes elevators to be suspended occurs and an abnormal failure occurs that causes elevators to stop between floors, this can be checked on a priority basis, and When the earthquake detector is activated, it is configured to issue a detection is * operation condition on the condition that the above abnormal failure report has not been issued after a predetermined period of time has elapsed. , this can be detected at the maintenance center before the telephone line becomes congested, allowing passengers to be released in a short period of time. Also, sensing W
A remote maintenance center can detect elevators that are out of service due to l-operation, which has the effect of allowing early restoration measures to be taken.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of an elevator remote monitoring system according to the present invention, FIG. 2 is a flowchart for explaining its operation, and FIG. 3 is a block diagram of a conventional earthquake government operation monitoring system. DESCRIPTION OF SYMBOLS 10...Earthquake sensor, 11...Elevator control device, l2...Failure detector, 13...Abnormality alarm controller, 1
4.Signal selector, 15. Automatic telephone device, 16.Telephone network, 17..Maintenance center.In addition, the same reference numerals in the figures indicate the same or equivalent parts.

Claims (1)

[Claims] When an earthquake sensor installed in the building where the elevator is installed is activated by seismic vibrations exceeding a predetermined level, the elevator is stopped at the nearest floor and suspended, and the elevator remote control automatically reports the earthquake sensor operation to the maintenance center via a transmission line. In the monitoring device, there is a failure detection means for detecting an abnormal failure state such as an elevator stopping between floors, and the failure detection means is activated by preventing the operation of the earthquake sensor from being notified to the maintenance center for a predetermined period of time. control means for controlling the sensor operation to issue a notification to the maintenance center with priority given to the abnormal failure state at the time, and on the condition that the abnormal failure notification is not issued after the elapse of the predetermined time; A remote monitoring device for an elevator, comprising: