KR100186374B1 - Elevator check system and the control method - Google Patents

Abstract

The elevator diagnostic system of the present invention includes a plurality of elevator control apparatuses having a self-diagnostic unit for performing a diagnosis through the self-diagnostic unit, and connected in series communication with the plurality of elevator control apparatuses, wherein the elevator control unit is a maintenance center. Repeater for transmitting and receiving data with each other, and connected to the repeater through a telephone line to receive the result of the failure diagnosis of the elevator control device and the information about the failure that can not determine the cause of the failure in the elevator control device It consists of a maintenance center to diagnose and perform the corresponding action according to the result, and if the elevator abnormality is not complicated through the self-diagnosis unit, first identify the cause of the diagnosis and send it directly to the maintenance center. To take action In case of troubles that are difficult to identify, the maintenance center can identify the cause of the failure through the remote monitoring diagnosis program and take countermeasures to reduce the transmission time of information according to various operations. It is possible to reduce and reduce the burden on troubleshooting in the repair center, and since the self-diagnosis unit requests information from the repair center for the troubleshooting, the reliability of the self-diagnosis of the elevator control device is very high. It is effective to diagnose and deal with elevator troubles more quickly and precisely.

Description

Elevator diagnostic system and its control method

The present invention relates to an elevator, and more particularly, to an elevator diagnosis system and a control method thereof, which can quickly diagnose an elevator failure and improve reliability of the diagnosis.

An elevator installed in a building is an indispensable means of transportation for people entering and leaving in modern life in which various buildings are high-rise, and when a breakdown occurs, it may not only cause a lot of inconvenience to people but also damage a person's body.

Therefore, in general, elevators have a self-diagnosis device installed in the elevator control device to prevent such a breakdown of the elevator, and to quickly recover the failure in the event of a failure, and to connect the self-diagnosis device to the maintenance center through a telephone line. The installed remote monitoring diagnostics.

At this time, the self-diagnosis device analyzes the abnormality detection information and operation information when any abnormality occurs in the elevator to grasp the contents of the failure, the cause of the failure, etc. and immediately recognizes this information to the maintenance company, so that the appropriate failure in the maintenance center is performed in the shortest time. If the self-diagnosis device does not identify the cause of the failure, it may send all the information to the remote monitoring diagnosis device of the maintenance center to entrust the diagnosis. In this case, the remote monitoring device may receive the received information. Use it to diagnose faults and take appropriate maintenance measures.

1 illustrates an elevator diagnosis system as described above, wherein the elevator control device 110 for controlling an elevator as described above, and the elevator control device 110 are connected to the elevator control device 110 to operate the elevator control device 110. Diagnosis for monitoring the elevator by receiving the information collected from the monitoring terminal device 120 and the remote monitoring diagnostic device and a remote monitoring diagnostic device for outputting the history, driving status and abnormal conditions to the maintenance center 120 It consists of a maintenance center 130 for remote monitoring of a plurality of elevators by performing the troubleshooting process through the program.

The elevator controller 110 may include a safety circuit 111 for driving various safety devices such as an overload, a relay, an automatic breaker, an electromagnetic brake, and a speed controller for controlling the speed of the motor 1. 112 and a microcomputer 113 for overall control of each component.

Looking at the operation, if the elevator control device 110 has an error, the signal for the operation information, driving history, abnormal detection information, such as trapping of the elevator, starting device system, safety system, power system, door system through the telephone line The abnormalities are transmitted to the monitoring terminal device 120 based on the information detected by various sensors, switches, and the like, and the monitoring terminal device 120 receiving the inputs transmits the various driving states to the maintenance sensor 130. It outputs again, and the maintenance center 130 is based on the construction, operation flow and maintenance experience of the elevator control device based on the previous operation history sent from the monitoring terminal device and the current operating state in the abnormal state. The remote diagnosis program is read from a large-capacity database circuit to analyze the cause of the failure and issue corresponding maintenance instructions.

However, in the conventional elevator diagnosis system as described above, when an abnormality occurs in the elevator control apparatus, it is necessary to receive various information through a telephone line in order to identify the cause of the abnormality in the maintenance center. This is too long, and the maintenance center monitors a very large number of elevators, so that the time received from the elevator adds up to a delay in diagnosis and repair from abnormal occurrence, resulting in safety accidents, resulting in economic loss and maintenance. There is a problem of complicated management.

Accordingly, an object of the present invention is to provide an elevator diagnosis system that can solve the problems as described above and quickly diagnose the failure and improve the reliability of the failure diagnosis.

Another object of the present invention is to provide a control method for efficiently controlling the elevator diagnostic system.

1 is a block diagram of an elevator diagnosis system according to the prior art.

2 is a block diagram of an elevator diagnostic system according to the present invention.

Figure 3 is a detailed configuration of the elevator control apparatus of the elevator diagnostic system according to the present invention.

Figure 4 is a detailed configuration of the repeater of the elevator diagnostic system according to the present invention.

5 is a detailed configuration of the maintenance center of the elevator diagnostic system according to the present invention.

6 is a control flowchart of the elevator controller of FIG.

7 is a control flowchart of the repeater of FIG.

8 is a control flowchart of the maintenance center of FIG. 5;

9 is a control flowchart of an elevator diagnosis system according to the present invention;

Explanation of symbols on the main parts of the drawings

140: elevator control device 150: self-diagnosis unit

160: repeater 170: maintenance center

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

The elevator diagnosis system of the present invention does not diagnose the failure unconditionally in the maintenance center, but puts a self-diagnosis unit in the elevator control device to receive data for failure diagnosis from the maintenance center, if necessary, and the priority diagnosis can be performed in the elevator control device. As shown in FIG. 2, the elevator control apparatus 140 includes a self-diagnosis unit 150 and performs a diagnosis for identifying a cause of failure through the self-diagnosis unit 150, and the elevator control. Up to eight devices 140 can be connected in a serial communication line, the repeater 160 for allowing the elevator control device 140 and the maintenance center 170 to exchange data with each other, and the repeater through a telephone line. Is connected to the 160 is composed of a maintenance center 170 for the failure diagnosis that is not identified in the elevator control device.

As shown in FIG. 3, the self-diagnosis unit 150 of the elevator control device includes an abnormality detection circuit unit 154 for detecting an abnormality of the elevator and various safety devices from the output of the microcomputer 143, and elevator operation information. A driving information storage circuit unit 151 for storing a driving history, an elevator diagnostic circuit unit 152 for diagnosing an elevator state according to the output of the abnormality detection circuit unit 154 and the driving information storage circuit unit 151, From the diagnosis result of the elevator diagnosis circuit unit, it detects the cause of the problem and sends the result of the cause of the failure so that the repair center can immediately take a countermeasure. It includes a detection circuit unit 153 for the cause of the abnormality that transmits the fault content, driving information, driving history and the like.

The repeater 160, as shown in Figure 4, the first communication circuit unit 161 for transmitting and receiving data with the elevator control device 140, and the second communication for transmitting and receiving data with the maintenance center 170 The circuit unit 163, the data processing circuit unit 162 for processing data transmitted and received by the elevator control unit 140 and the maintenance center 170, and the data processed by the data processing circuit unit 162 as necessary. And a memory circuit unit 164 for storing.

The maintenance center 170 includes a personal computer, an information processing circuit unit 171 for interpreting transmission / reception with a repeater, operation history or abnormality received from a repeater and a repeater, cause of abnormality, and the like. A large-capacity database 173 for storing contents processed by the processing circuit unit 171, a fault diagnosis circuit unit 172 for diagnosing a fault based on the database 173, and a display for displaying the diagnosis result. It comprises a printer 174 or a display unit 175.

Referring to the operation of each component, first, the elevator control device 140 performs a failure diagnosis when the abnormality is detected by the abnormality detection circuit unit 154 of the self-diagnostic unit 150 as shown in FIG. In this case, if data for fault diagnosis is required, the data is requested to the maintenance center 170.

However, the failure diagnosis of the self-diagnosis unit is performed first with respect to the failure occurring in the elevator.

Subsequently, when the corresponding data is received from the maintenance center, the diagnosis is performed. If the cause of the failure is found after the diagnosis is completed, the failure information and the cause of the failure are sent to the maintenance center 170 so that an appropriate recovery command can be made. If the cause of the failure is not found despite the failure diagnosis, the failure center and the operation information are transmitted to the maintenance center 170 so as to diagnose the failure in the maintenance center.

The repeater 160, if there is a request for data from the self-diagnosis unit of the elevator control device to the maintenance center 170 for diagnosis as shown in FIG. If the fault is detected by the elevator control unit and the cause of the fault is detected, the controller transmits the fault code and the cause of the call to the maintenance center. If the cause of the fault is not found, the maintenance center diagnoses the fault. Send all information to the maintenance center for assistance.

If a regular report request is received from the maintenance center, the operation information of the elevator control device is sent to the maintenance center, and if a command is input without the periodic report request, the corresponding command is executed.

The maintenance center 170, as shown in Fig. 8, first detects a ring from the repeater to see if a ring is received and if the connection is successful, if the failure is found in the case of fault reception according to the contents of the call, Respond immediately after receiving the fault code and the cause of the problem. If the cause of the problem is not identified, identify the cause of the problem using the remote monitoring diagnostic program of the maintenance center, and then take the countermeasure.

On the other hand, if the call is an information request, the requested information is transmitted.

Referring to the operation of the elevator control device, the repeater and the maintenance center by taking a door failure as an example, when the door is broken as shown in FIG. 9, it is first detected by the abnormality detection circuit in the self-diagnosis part of the elevator control device. Collect fault codes and detailed driving information.

Subsequently, the cause of the fault is determined after the fault diagnosis according to the collected fault code and the operation information. If the fault is not found within the self-diagnosis unit, the fault center and the operation information are transmitted to the maintenance center through the repeater, and the maintenance center Turn the remote monitoring diagnostic program to determine that the control system is abnormal and to direct the corresponding maintenance.

If it is possible to determine the cause of the failure in the self-diagnosis part, the self-diagnosis part determines that there is an error in the door machine, and transmits only a small amount of failure diagnosis results such as a failure code and the cause of the failure to the maintenance center. Rescue passengers trapped in elevator cars.

As described above, according to the present invention, when an abnormality of the elevator occurs, if the failure is not complicated through the self-diagnosis unit in the elevator control device, the diagnosis is first made, the cause is identified and sent to the maintenance center so that the countermeasure is immediately taken. Only in the case of complex failures that are difficult to grasp, the maintenance center can identify the cause of the failure through the remote monitoring diagnosis program and take countermeasures to reduce the time to transmit the operation information, operation history, and abnormality detection information to the maintenance center. Accordingly, it is possible to reduce the communication cost and reduce the burden on failure diagnosis in the maintenance center, and also the self-diagnosis unit requests the maintenance center for information on the failure diagnosis, so that the self-diagnosis of the elevator control device is possible. High reliability for the elevator There is an effect that it is possible to speed and accurately diagnosed, the corresponding processes.

Claims (6)

A plurality of elevator control devices having a self-diagnosis unit for performing a diagnosis through the self-diagnostic unit, and connected in series communication with the plurality of elevator control devices, so that the elevator control device can exchange data with the maintenance center The repeater is connected to the repeater through a telephone line to receive the fault diagnosis result of the elevator control device and the information on the fault which cannot be identified by the elevator control device. Elevator diagnostic system comprising a maintenance center to perform the action. The apparatus of claim 1, wherein the self-diagnosis unit comprises: an abnormality detecting circuit unit for detecting an abnormality of an elevator and various safety devices, a driving information storing circuit unit for storing elevator operation information, a driving history, and the like; The elevator diagnosis circuit unit for diagnosing the state of the elevator according to the output of the information storing circuit unit, and the fault cause detection result is sent to detect the cause of the failure from the diagnosis result of the elevator diagnosis circuit unit so that the maintenance center can immediately take a countermeasure. If it is impossible to determine the cause, the elevator diagnostic system, characterized in that it comprises a fault cause detection circuit unit for transmitting the fault information, operation information, operation history, etc., which are self-identified so that accurate diagnosis can be performed in the maintenance center. A plurality of elevator control devices having a self-diagnosis unit for performing a diagnosis through the self-diagnostic unit, and connected in series communication with the plurality of elevator control devices, so that the elevator control device can exchange data with the maintenance center Maintenance center connected to the repeater through a repeater and a telephone line to perform a fault diagnosis on the result of the fault diagnosis of the elevator control device and a fault that cannot be identified by the elevator control device and performing a corresponding action according to the result. In the control method of the elevator diagnostic system comprising: a first process of collecting a failure code and operation information from the self-diagnosis unit of the elevator control device when a failure occurs, to determine the primary failure diagnosis and cause of the failure; If the cause of the problem is found in the A second step of transmitting a fault code and a cause of the fault found to the repair center so that a countermeasure can be immediately taken; and if the cause of the fault is not found in the first step, the second fault diagnosis and And a third process of transmitting a fault code and operation information for the undetermined fault so as to identify the cause of the fault and take a corresponding action. The control method of an elevator diagnosis system according to claim 3, wherein in the first process, the self-diagnosis unit may request information for failure diagnosis from the repair center through the repeater. The control method of an elevator diagnosis system according to claim 3, wherein the self-diagnosis unit preferentially diagnoses a failure occurring in the elevator. The control method of an elevator diagnosis system according to claim 3, wherein the repeater transmits elevator operation information to the maintenance center when a periodic report request is made from the maintenance center.