JPH06156965A - Remote monitoring system for escalator - Google Patents

Abstract

PURPOSE:To perform inspection of the starting of each escalator from a remote monitoring center by a method wherein an inspection operation command is outputted to a remote control device from a remote monitoring center, operation state information during inspection operation is collected and transmitted to a remote maintenance device through a communication circuit. CONSTITUTION:A remote maintenance device 6 is arranged on the remote monitoring center side and comprises an inspection operation command circuit 7, an operation state signal receiving circuit 8, and a signal processing circuit 9. The inspection operation command circuit 7 of the remote maintenance device 6 is caused to daily transmit an inspection operation command for inspection of a starting to a remote control device 4 on the escalator 1 side through a telephone circuit 12. After receipt of the inspection operation command, the remote control device 4 causes an escalator control device 2 to perform inspection operation of the escalator 1. In which case, an operation state detecting device 5 detects an operation state during inspection operation of the escalator 1, and transmits to the remote maintenance device 6 through the telephone circuit 12. In the remote maintenance device, operation state information is analyzed and when abnormality is detected, it is reported to a monitor.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote monitoring system for remotely monitoring an escalator.

[0002]

2. Description of the Related Art Conventionally, escalator has been widely used in department stores and superstores due to its characteristics, and in recent years, it has also been widely used in public periods such as subways. Therefore, the number of installed escalators per building tends to increase, and several tens of escalators may be installed in one building depending on the location.

By the way, since the escalator is used by a large number of ordinary people, in order to maintain the safety of the escalator, a dedicated manager is set up to carry out daily start-up inspections and check for any abnormalities before starting. .

Regarding maintenance of the escalator, predetermined items are regularly carried out for each escalator at regular intervals. Therefore, an engineer goes to the site to perform maintenance. I am trying to carry out inspection work.

[0005]

However, in such a conventional escalator, when the number of installed escalator in one building is large, it is very difficult to perform sufficient inspection in the start-up inspection for all the escalator. There was a problem in that

Further, the periodical maintenance and inspection work also has a problem that the labor load on the engineer increases as the number of installations increases, and the frequency of use greatly differs depending on the installation location, so that the life of parts is particularly long. It is difficult to identify the parts, and the procedure is to uniformly replace the parts that have reached the replacement period in the regular inspection, and there is also the problem that a sufficiently detailed maintenance inspection cannot be expected.

The present invention has been made in view of such conventional problems, and an object of the present invention is to provide a remote monitoring system for an escalator capable of performing necessary start-up inspection from a remote monitoring center.

Further, in the remote monitoring system of the escalator of the present invention, the remote monitoring center can specify the defective parts and the parts in which failure is predicted to occur, the parts that have reached the end of their life, etc. at each remote escalator. An object of the present invention is to provide a remote monitoring system for an escalator, which enables replacement of parts at an appropriate time.

[0009]

According to another aspect of the invention, there is provided a remote monitoring system for an escalator, comprising a remote control device for performing an inspection operation of an escalator according to an inspection operation command from the outside, and an escalator inspection operation state. An operating state detecting device for detecting normality and abnormality is provided, a remote maintenance device is installed at a remote monitoring center, and the remote control device and the operating state detecting device are connected by a communication line, and the remote maintenance device is installed. In addition, the inspection operation command unit that outputs the inspection operation control signal to the remote control device, the signal processing unit that processes the operation state signal of the escalator sent from the operation state detection device to check whether there is an abnormality, And an output unit for outputting the signal processing result of the signal processing unit.

According to a second aspect of the present invention, there is provided a remote monitoring system for an escalator, which includes a safety device monitoring circuit for monitoring the operation of the safety device on the terminal device side of the escalator, an operation state data collecting circuit for collecting operation state data, and a mechanical system. A mechanical data collection circuit that collects data and an electrical data collection circuit that collects electrical data are installed, and the data of the safety device monitoring circuit is processed by the remote maintenance device installed at the remote monitoring center. A safety device operating state processing circuit, an operating state monitoring circuit that processes data of the operating state data collecting circuit, a mechanical system data processing circuit that processes data of the mechanical system data collecting circuit, and data of the electrical system data collecting circuit. An electrical data processing circuit for processing and an alarm output circuit that outputs an alarm when an abnormality is found in each of these circuits are provided. Serial is between a terminal device and a remote maintenance device obtained by connecting a communication line.

[0011]

In the remote monitoring system for the escalator according to the first aspect of the present invention, the remote monitoring center side issues an inspection operation command to the remote control device to perform the inspection operation of the escalator.
The operation state information at the time of this inspection operation is collected by the operation state detection device and transmitted to the remote maintenance device of the remote monitoring center through the communication line.

Therefore, the remote maintenance device receives and analyzes the operating state information, determines whether or not there is an abnormality in the escalator, and if there is an abnormality, outputs it to the alarm output section to notify the monitoring staff.

In this way, the remote monitoring center performs inspection operation for each escalator to check whether there is any abnormality, thereby reducing the burden on the administrator for each escalator and making more accurate judgment.

In the remote monitoring system for an escalator according to a second aspect of the invention, the state of the safety device on the escalator side,
Operation status data, mechanical system data, and electrical system data are collected and transmitted to the remote maintenance device of the remote monitoring center, data analysis is performed on the remote maintenance device side, and it is judged whether there is any abnormality in the safety device. Judge whether there is any abnormality in the mechanical system or electrical system, and at the same time, predict the necessity of parts replacement and the replacement time to prevent the occurrence of failures and improve the efficiency of maintenance and inspection work.

[0015]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 is a functional block diagram of an embodiment of the invention of claim 1. The remote monitoring system for an escalator of this embodiment is an escalator (ES) for controlling the operation of the escalator 1 on the local escalator 1 side. ) A control device 2, a remote control device 4 included in the terminal device 3, and an operating state detection device 5 are provided. The remote control device 4 of the terminal device 3 receives the inspection operation command from the remote maintenance device side, gives an inspection operation command to the escalator control device 2, and automatically causes the escalator 1 to perform inspection operation. Further, the operation state detection device 5 included in the terminal device 3 checks whether or not there is an abnormality in the start-up inspection item during the inspection operation of the escalator 1.

The escalator remote monitoring system of this embodiment is equipped with a remote maintenance device 6 on the remote monitoring center side, and an inspection operation command circuit 7, an operation state signal receiving circuit 8 and a signal processing circuit 9 are provided therein. In addition,
The CRT display device 10 and the printing device 11 are connected. The inspection operation command circuit 7 outputs an inspection operation command to the escalator 1 side. The operating state signal receiving circuit 8 receives the operating state signal of the operating state detecting device 5 on the escalator 1 side, and the signal processing circuit 9 analyzes the operating state signal to determine whether the escalator is abnormal. The CRT display device 10 displays the signal processing result of the signal processing circuit 9, and the printing device 11 prints out.

The public telephone line 1 is provided between the terminal device 3 on the escalator 1 side and the remote maintenance device 6 on the remote monitoring center side.
Connected by two.

Next, the operation of the escalator remote monitoring system having the above configuration will be described.

Every day, the inspection and operation command circuit 7 of the remote maintenance device 6 sends an inspection and operation command for starting inspection to the remote control device 4 on the escalator 1 side through the telephone line 12.
In response to this, the remote control device 4 causes the escalator control device 2 to perform the inspection operation of the escalator 1. Therefore,
The operation state detection device 5 detects the operation state of the escalator 1 during the inspection operation and also transmits it to the remote maintenance device 6 through the telephone line 12.

In the remote maintenance device 6, the operating state signal receiving circuit 8 receives the operating state signal, and the operating state signal processing circuit 9 performs analysis processing on the received operating state signal to judge whether the escalator 1 is normal or abnormal. When an abnormality is detected, the detailed contents are displayed on the CRT display device 10 and printed out by the printing device 11.

When an observer sees the display and printout of the CRT display device 10 and an abnormality is detected, the supervisor gives a necessary work instruction to a technician or contacts a manager on site. Or

In this way, the inspection operation is automatically performed by the operation from the remote monitoring center side,
Anomalies can be judged on the remote monitoring center side,
The burden on the manager at the installation site can be reduced, and when an abnormality is detected, it is possible to expect appropriate judgment and response by a specialist.

FIG. 2 shows a system configuration of an embodiment of the invention of claim 2, and a terminal device is provided between an escalator control device 22 for controlling the operation of the escalator 21 and a remote maintenance device 23 of the remote monitoring center. 24 and public telephone line 2
It is configured to be connected via 5.

Then, as shown in FIG.
Includes a safety device monitoring circuit 24a that constantly monitors the operating state of the safety device of the escalator and immediately transmits necessary information to the remote maintenance device 23 when each operation is detected, and the operating state of the escalator. (For example,
The operation state data collection circuit 24b that constantly monitors the number of starts, operating time, operating load, etc., and accumulates these information as integrated data, and the mechanical system data collection circuit that records the vibration of the escalator drive device and various bearings. 24c
And constantly monitor the electric current of the drive motor and control circuit,
An electrical system data collection circuit 24d for recording is provided. Then, the terminal device 24 is adapted to periodically transmit these various data to the remote maintenance device 23 side through the telephone line 25.

The remote maintenance device 23 receives the abnormality detection signal from the safety device monitoring circuit 24a and processes the data collected by the safety device operation state processing circuit 23a which analyzes the information and the operation state data collection circuit 24b. Then, the operation status monitoring circuit 23b for setting maintenance and inspection items and predicting the life of various parts, and the frequency analysis of the mechanical system data collected by the mechanical system data collecting circuit 24c are performed, and the defective parts for each mechanical part are processed. A mechanical system data processing circuit 23c for diagnosing and predicting the life, and an electrical system data processing circuit 23d for processing the electrical system data collected by the electrical system data collecting circuit 24d for diagnosing a defective portion of each electrical component and predicting the life. , And an alarm output circuit 23e that outputs an alarm when an abnormality is detected.

Next, the operation of the remote monitoring system for the escalator having the above configuration will be described.

In the case of an escalator, a large number of people may use the escalator at one time, and a large number of safety devices are provided as compared with an elevator. However, due to its great public nature, even if a certain safety device works, safety confirmation is required. If it is done, it will be used immediately after rebooting, and the fact that the record of the safety device worked is not saved at the site side.
Therefore, when any one of the safety devices operates, the safety device monitoring circuit 24a immediately transmits information about which safety device has operated to the safety device operating state processing circuit 23a of the remote maintenance device 23. The information is processed and output to the alarm output circuit 23e, and the technician is notified by the alarm. In addition, the safety device operating state processing circuit 23a
Collects the history of which safety device worked at each escalator and uses it for maintenance.

The operation status data collection circuit 24b constantly monitors the operation status of the escalator (for example, the number of startups, operation time, operation load, etc.) and accumulates these information as integrated data. The vibration of the escalator drive device and various bearings is recorded, and the electric system data collection circuit 24d constantly monitors and records the current of the drive motor, the control circuit, and the like. Then, the terminal device 24 periodically transmits these collected data to the remote maintenance device 23 through the telephone line 25.

In this way, each of the data of the operation state data collecting circuit 24a, the data of the mechanical system data collecting circuit 24c, and the data of the electric system data collecting circuit 24d, which are periodically transmitted from the terminal device 24, are stored in the operation state monitoring circuit 23.
b, the mechanical system data processing circuit 23c and the electrical system data processing circuit 23d perform analysis processing, and based on the number of times of start-up, cumulative operation time, vibration frequency analysis, current fluctuation analysis, etc., determination of the inspection time and defect location of various parts Diagnose and predict life. Then, the diagnosis result and the life prediction result are provided to the technician through the alarm output circuit 23e, and the technician makes a work plan such as maintenance, inspection and parts replacement based on this data.

[0031]

As described above, according to the invention of claim 1,
The remote monitoring center gives an inspection operation command to the remote control device to perform the inspection operation of the escalator, collects the operation status information during this inspection operation by the operation status detection device, and the remote maintenance device of the remote monitoring center through the terminal device. The remote maintenance device receives and analyzes the operation status information, determines whether there is an abnormality in the escalator, and if there is an abnormality, outputs it to the alarm output unit to notify the observer. , The remote monitoring center will be inspected for each escalator to check for abnormalities, reducing the burden on the administrator of each escalator and making more accurate judgments.

According to the second aspect of the present invention, the status of the safety device on the escalator side, the operation status data, the mechanical system data, and the electrical system data are collected and transmitted to the remote maintenance device of the remote monitoring center. Since the data analysis is performed on the side, the remote monitoring center side determines whether there is any abnormality in the state of the safety device and also whether there is any abnormality in the mechanical system or electrical system, and at the same time it is necessary to replace parts. Performance and replacement timing can be predicted, failure occurrence can be prevented, and the efficiency of maintenance and inspection work can be improved.

[Brief description of drawings]

FIG. 1 is a functional block diagram of an embodiment of the invention of claim 1;

FIG. 2 is a system configuration diagram of an embodiment of the invention of claim 2;

FIG. 3 is a functional block diagram showing a detailed internal configuration of a terminal device and a remote maintenance device according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 escalator 2 escalator control device 3 terminal device 4 remote control device 5 operating state detection device 6 remote maintenance device 7 inspection operation command circuit 8 operating state receiving circuit 9 operating state signal processing circuit 10 CRT display device 11 printing device 12 telephone line 21 escalator 22 Escalator control device 23 Remote maintenance device 23a Safety device operation state processing circuit 23b Operation state monitoring circuit 23c Mechanical system data processing circuit 23d Electrical system data processing circuit 23e Alarm output circuit 24 Terminal device 24a Safety device monitoring circuit 24b Operation state data collection circuit 24c Mechanical data collection circuit 24d Electrical data collection circuit 25 Telephone line

Claims (2)

[Claims] 1. A remote control device for performing an inspection operation of an escalator in response to an inspection operation command from the outside, and an operation state detection device for detecting whether the inspection operation state of the escalator is normal or abnormal are provided on the escalator side. A remote maintenance device is installed in the monitoring center, a communication line is connected between the remote control device and the operation state detection device, and an inspection operation command is output to the remote maintenance device to output an inspection operation control signal to the remote control device. Section, a signal processing section for processing the operating state signal of the escalator sent from the operating state detection device to check whether there is an abnormality, and an output section for outputting the signal processing result of the signal processing section. Escalator remote monitoring system consisting of. 2. A safety device monitoring circuit for monitoring the operation of a safety device on the terminal side of an escalator, a running state data collecting circuit for collecting running state data, a mechanical system data collecting circuit for collecting mechanical system data, and an electrical system data. An electrical system data collection circuit for collecting data is provided, and a safety device operation state processing circuit that processes data of the safety device monitoring circuit on the remote maintenance device side installed at a remote monitoring center, and the operation state data collection circuit Status monitoring circuit that processes data of the above, mechanical system data processing circuit that processes data of the mechanical system data collection circuit, electrical system data processing circuit that processes data of the electrical system data collection circuit, and abnormality in each of these circuits An alarm output circuit is provided to output an alarm when an alarm is detected, and the terminal device and the remote maintenance device are connected by a communication line. Caleta remote monitoring system.