JP2006264858A - Maintenance system for elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To minimize costs for installing detectors and easily carry out elevator adjustment work and control program adjustment work by a maintenance worker. <P>SOLUTION: A car 3 of an elevator is provided with a connector connecting part 19a. The detectors 17, 18 for detecting vibration and noise data of the car and a hoist of the elevator are connected to the connector connecting part 19a of the car 3 of the elevator to be a maintenance object. A maintenance terminal device 30 is provided for taking the vibration/noise data of the car and the hoist detected by the detectors 17, 18, diagnosing presence/absence of abnormality, and changing/adjusting the control program and a control parameter of the elevator according to the diagnosis. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a maintenance system that performs periodic maintenance and various adjustments of an elevator remotely.

  In recent years, as the number of buildings has increased, there has been an increasing need for elevators that can be used as vertical moving means, while the number of elevators that require initial adjustment after installation, control adjustment during regular maintenance, and readjustment of equipment has been increasing. It tends to increase year by year.

  In addition, vibration and noise may increase as the elevator continues to be used, and if vibration and noise exceed a certain level, the user will feel uneasy or uncomfortable and the serviceability will be reduced. Sometimes. Therefore, along with regular maintenance, it is necessary to check for the presence of vibrations and noises that affect the ride comfort, and to make corrections so that a good state is always maintained.

  By the way, when the vibration and noise of the elevator are large, in order to pinpoint these causes, bring in the measuring equipment and measure the vibration and noise. Adjustment work such as manual adjustment is required.

  Also, in order to quickly ascertain and adjust elevator abnormalities quickly, workers with specialized knowledge and experience go to the site, clarify the cause from the state of vibration and noise, and make effective adjustments to the cause. Need to do work.

  However, with the increase in the number of elevators that increase year by year, the burden on maintenance workers increases, and there is a difference in the identification of causes and control adjustments in the control device due to the expertise and experience. In many cases, there is a problem in that maintenance work is wasted.

  As means for solving such conventional problems, an elevator abnormality diagnosis device (for example, Patent Document 1), an elevator remote failure diagnosis device (for example, Patent Document 2), and the like have been proposed.

  The former elevator abnormality diagnosis device always has an acceleration sensor attached to the car in the hoistway, identifies the abnormal part using the acceleration signal output from the acceleration sensor, and communicates the contents to the monitoring center etc. It is made to alert | report via.

The latter remote failure diagnosis device for elevators transmits the control operation data of the elevator to a monitoring device connected by a communication device and constantly monitors it, and when a control operation abnormality occurs, the control constant in the elevator control device is set. It was changed and kept normally.
JP-A-10-231070 JP 2000-302349 A

  However, in the former elevator abnormality diagnosis device, since diagnosis is performed by always attaching an acceleration sensor to the car in the hoistway, it is necessary to attach acceleration sensors to all elevators including good elevators that are not abnormal. There is a problem that the cost required for installing the acceleration sensor increases.

  Moreover, in the latter remote trouble diagnosis device for elevators, the control operation data of the elevator is constantly monitored and the control constant in the elevator control device is changed. It is not sufficient to monitor only the control operation data.

  In addition, even if it is within the normal range in terms of control operation, it is not diagnosed based on information obtained from vibration and noise data, so the ride comfort performance may not satisfy the normal state, There was a problem that it did not lead to a fundamental solution to abnormalities. In addition, in order to adjust the control program according to the cause of the abnormality to be within the normal range, a long time is required until the cause is specified, so that there is a problem that workability is poor.

  The present invention eliminates the above-mentioned problems, minimizes the installation cost of the detector, facilitates elevator adjustment work and control program adjustment work by maintenance workers, and has specialized expertise. It is an object of the present invention to provide a maintenance system for an elevator that can be carried out even if there is no need.

  In order to achieve the above object, the present invention constitutes a maintenance system by the following means.

(1) In a maintenance system for remotely maintaining a lift controlled by a control device via a hoisting machine, a connector connecting portion provided in the elevator car and a connector connecting portion connected to the connector connecting portion. A detector for detecting at least one of vibration or noise of a car of the elevator, a vibration / noise data detection unit provided in the control device and connected to the connector connection unit via a transmission line, and the vibration A diagnosis device that takes in at least one of vibration and noise data measured by the noise data detection unit and diagnoses the presence or absence of an abnormality, and a maintenance terminal that can change and adjust control programs and control constants of the elevators of the control device A maintenance terminal device comprising: a maintenance terminal device comprising: a maintenance terminal device comprising: a maintenance terminal device comprising: A data collection unit to collect, a determination unit for comparing the data collected by the data collection unit with a reference value to determine whether there is an abnormality, and a control program and control constant for the elevator based on the determination result of the determination unit The maintenance terminal has a function of changing and adjusting the control program and constants of the elevator of the control device based on the correction data output from the diagnostic device.

(2) In the elevator maintenance system according to (1), the correction data output means includes a correction database in which control data for the elevator and correction data for control constants are stored for each abnormal item.

(3) In the elevator maintenance system according to (2), the correction data output means selects a control program or a control constant corresponding to the corresponding abnormal item from the correction database based on a determination result of the determination unit. Correction data selection means for outputting the data.

(4) In the elevator maintenance system according to any one of (1) to (3) above, a connection connector for a maintenance terminal is provided in the car and connected to the control device via a transmission line. The maintenance terminal device is connected to the maintenance terminal connector at the time of maintenance of the elevator so that the control program and control constants of the elevator of the control device can be changed and adjusted in a state where the elevator is in the car.

(5) In the elevator maintenance system according to any one of (1) to (3), a maintenance terminal connection connector is provided in the vicinity of the hall call button and is connected to the control device via a transmission line. The maintenance terminal device is connected to the maintenance terminal connector during maintenance of the elevator so that the control program and control constants of the elevator of the control device can be changed and adjusted from the hall call button position.

(6) In the elevator maintenance system according to any one of (1) to (5), a connector connecting portion is provided in the vicinity of the hoisting machine, and vibration or noise of the elevator car is provided in the connector connecting portion. It is possible to connect a detector that detects at least one of the above.

(7) In the elevator maintenance system according to the above (2) or (3), the diagnostic device has correction data corresponding to a control program or a control constant of the elevator based on a determination result of the determination unit in the correction database. When not stored, the control program and control constants in the control device are not changed.

(8) In the elevator maintenance system described in (7) above, when the determination unit does not change the control program or the control constant in the control device, it displays work information for normal correction on the display. It has a function to make it.

  According to the elevator maintenance system of the present invention, the detector for detecting vibration and noise data of the elevator car and the hoisting machine is detachably connected to the connector provided in the elevator to be maintained, and is detected. By using the maintenance terminal device that takes in the vibration and noise data of the car and hoisting machine detected by the machine and diagnoses the presence or absence of abnormality, and changes and adjusts the control program and control constant of the elevator according to the diagnosis result The maintenance work can be easily performed by the maintenance worker and the adjustment work of the elevator and the control program can be performed without special expertise.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a block diagram showing the overall configuration of the elevator maintenance system according to the first embodiment of the present invention.

  In FIG. 1, a main rope 2 is stretched over a hoist 1 provided at the upper end of a hoistway (not shown), and a car 3 is suspended at one end of the main rope 2 and balanced at the other end. A weight 4 is suspended, and the car 3 and the counterweight 4 are configured to be movable up and down in the hoistway.

  Moreover, the control apparatus 5 which consists of a microcomputer which controls the winding machine 1 is installed in the elevator, for example in the machine room. The control device 5 is composed of a central processing unit CPU 6, a ROM 7 which is a storage device storing an elevator control program, and a RAM 8 for writing a work area program. The central processing unit CPU 6 is used for hall call and boarding from each floor. When the designation of the destination floor from the car 3 is received, these work area programs are written into the RAM 8, and the elevator control program stored in the ROM 7 is read according to the work area program, and the hoisting machine 1 and The car 3 is controlled.

  In the elevator with such a configuration, a maintenance terminal RAM 10, which is a storage device for the maintenance terminal, a maintenance terminal interface unit 11, and a vibration / noise data detection unit 20 are provided in the control device 5.

  Further, in the car 3, a connector connection portion 19a (in this example of the vibration detector 17 and the noise detector 18) to which a vibration detector 17 for detecting vibration during traveling and / or a noise detector 18 can be connected. Both are connectable to each other), and the connector connecting portion 19a is connected to the vibration / noise detecting portion 20 in the control device 5 through the transmission line 9b. In this case, the vibration detector 17 and the noise detector 18 are small and portable sensors that can be attached to and detached from the connector connecting portion 19.

  Therefore, if the vibration detector 17 and the noise detector 18 are connected to the connector connecting portion 19, vibration / noise data during traveling is measured by the vibration noise detecting portion 20 in the control device 5.

On the other hand, 30 is a maintenance terminal device that can be carried by an operator. This maintenance terminal device 30 is connected to the maintenance terminal interface unit 11 in the control device 5 via a transmission line 19e,
Connected to the vibration / noise data detection unit 20 in the control device 5 through the transmission line 9c, the data measured by the vibration / noise data detection unit 20 is taken to diagnose the presence or absence of an abnormality. There is an error in the diagnostic device 21 that outputs the correction data, the data transmission unit 28 that transfers the correction data output from the diagnostic device 21 to the maintenance terminal 12, and the correction data that is transferred from the data transmission unit 28 to the maintenance terminal 12. A correction data confirmation unit 29 is provided for confirming whether or not there is any.

  Here, the maintenance terminal 12 includes an I / O unit 13, a display unit 14, a key input unit 15, and a program change unit 16, and changes the elevator control program and control constant stored in the ROM 7 in the control device 5. It has a function.

  The diagnosis device 21 also includes a data collection unit 22 that records and saves data measured by the vibration / noise data detection unit 20, and a diagnosis processing unit 23 that processes data passed from the data collection unit 22 into information necessary for diagnosis. When the determination unit 24 determines whether the diagnosis unit 23 is normal or abnormal based on the information processed, the display unit 25 that displays the determination result of the determination unit 24, and the determination result of the determination unit 24 is abnormal, The correction data selection unit 26 selects correction data from the correction database unit 27 in which control programs and constants are stored for each abnormal item and outputs the selected data to the data transmission unit 28.

  The determination unit 24 determines whether the information processed by the diagnosis processing unit 23 is normal or abnormal based on the determination reference value. If the information is determined to be abnormal, the determination result is stored in the correction database 27. It has a function of comparing some abnormal items caused by vibration and noise, and if there is a corresponding abnormal item, the correction data selection unit 26 selects a control program and a constant corresponding to the abnormal item.

  Next, the operation of the elevator maintenance system configured as described above will be described.

  Now, the vibration detector 17 and the noise detector 18 are connected to the connector connecting portion 19a provided below the operation panel in the target car 3, and the car 3 is caused to travel in the upward or downward direction in this state.

  At this time, when vibration and noise data is detected by the vibration detector 17 and the noise detector 18, these data are transmitted to the vibration noise data detector 20 in the control device 5 through the transmission line 9b and measured. The

  The vibration and noise data measured by the vibration noise data detection unit 20 is transmitted and stored in the data collection unit 22 via the transmission path 9c. The data stored in the data collection unit 22 is transferred to the diagnosis processing unit 23 and processed into information necessary for determination.

  The determination unit 24 determines whether the information processed by the diagnosis processing unit 23 is normal or abnormal based on the determination reference value, and the determination result is displayed on the display unit 25. And when it determines with abnormality in the determination part 24, it compares with the some abnormal item resulting from the vibration and noise stored in the correction database 27, and if there exists a corresponding abnormal item, it will indicate that. It outputs to the correction data selection part 26. The correction data selection unit 26 selects the control program and constant corresponding to the abnormal item as correction data and passes them to the data transmission unit 28.

  The correction data passed to the data transmission unit 28, that is, the control program and the control constant are transmitted to the program change unit 16 of the maintenance terminal 12, and the correction data confirmation unit 29 confirms that there is no error in the correction data. Then, the program change unit 16 transmits the data to the maintenance terminal interface unit 11 in the control device 5 via the transmission line 9e, and is stored in the ROM 7 from the maintenance terminal interface unit 11 via the maintenance terminal RAM 10. Change elevator control program and control constants.

  Here, the series of processing procedures described above will be described with reference to the flowchart shown in FIG.

  When vibration and noise data during travel of the car 3 is measured in step S1, this data is compared with a reference determination value in step S2. If the result of the determination is normal in step S3, the display 25 is displayed as normal as shown in step S4.

  If there is an abnormality in step S3, the determination result of the determination unit 24 is compared with some abnormality items stored in the correction database 27 in step S5. Then, correction data corresponding to the abnormal item is selected from the correction database unit 27. In this case, the correction data to be selected includes control program, control constant, or both data.

  Thus, when correction data is selected in step S6, the process which changes the control program and control constant in the control apparatus 5 based on this correction data is implemented in step S7.

  If there is no abnormal item corresponding to the determination result in step S5, the correction data is not selected from the correction database 27. Therefore, the control program and control constant change processing in the control device 5 is not performed, and step Proceed to S8.

  In this step S8, if the cause of the abnormality and the cause can be specified by the measure specifying process, the cause / countermeasure processing method other than the control program and control constant is displayed on the display unit 25 in step S10. .

  If the cause cannot be specified in the cause / measure countermeasure specifying process in step S8, an instruction to measure another measurement point is given in step S9 and displayed on the display unit 25.

  For example, in FIG. 1, a connector connecting portion 19d is provided in the vicinity of the hoisting machine 1, and a vibration / noise detecting portion 19d is connected to the connector connecting portion 19d to indicate that measurement of vibration noise detection data is instructed. Is done.

  As described above, in the first embodiment, the connector connecting portion 19a is attached to all the cars and connected to the vibration / noise data detecting portion 20 provided in the control device 5 by the transmission line 9b, which causes a problem. The vibration / noise data detection unit 20 measures vibration / noise data by simply connecting the vibration detector 17 and the noise detector 18 that can be attached to and detached from the elevator to the connector connection portion 19a in the car. The control program and the control constant can be changed by the maintenance terminal 12 based on the data.

  Therefore, it is not necessary to install a vibration / noise detector in every elevator car as in the past, and it is only necessary to install it on the elevator to be measured, so the installation cost of the vibration / noise detector can be minimized. Can do. Further, since the vibration / noise detector is small and portable, it can be easily carried in and out of the elevator.

  Further, when changing the control program and the control constant by the maintenance terminal 12, vibration / noise data during traveling of the elevator is measured, and when the information processed by the diagnosis processing unit 23 is determined to be abnormal by the determination unit 24, Since the correction data corresponding to the abnormal item corresponding to the determination result is selected from the correction database unit 27 and the control program and control constant in the control device are corrected or changed, the adjustment work of the elevator by the maintenance worker And the control program adjustment work can be facilitated.

  Further, when there is no abnormality item corresponding to the diagnosis result of the diagnosis device 21 in the correction database 27, the control program in the control device and / or the control constant is not changed, and the function of the determination unit 24 is used. Since the cause of the abnormality and the countermeasure treatment method are displayed on the display unit 25, the cause not caused by the control program and the control constant and the countermeasure can be clarified.

  If the cause of the abnormality cannot be identified, the cause of the abnormality can be easily clarified by giving an instruction to change the vibration / noise detector to another measurement location.

  In addition, the control program and control constant selected from the correction database unit 27 are sent from the data transmission unit 28 to the program change unit 16 of the maintenance terminal 12 so that the correction data confirmation unit 29 confirms that there is no error in the data. As a result, the control program and control constant in the control device can be accurately corrected without error.

  FIG. 3 is a block diagram of the entire elevator maintenance system showing the second embodiment of the present invention. The same parts as those in FIG.

  In the second embodiment, as shown in FIG. 3, a maintenance system connection terminal 50 is provided adjacent to the connector connection portion 19 a at the lower part of the operation panel in the car 3, and the maintenance system connection terminal 50 and the control device 3 are provided. The maintenance terminal interface unit 11 and the vibration / noise data detection unit 20 are connected by transmission lines 51 and 52, and the maintenance terminal device 30 can be connected by maintenance system transmission lines 53a and 53b. Is.

  With such a configuration, the maintenance terminal device 30 can be connected in the car 3, so that the maintenance comfort can be grasped when the elevator travels in a state where the maintenance person gets on the car 3. At the same time, it is possible to change the abnormality diagnosis and control program and / or the control constant while grasping the abnormal state.

  FIG. 4 is a block diagram of the entire elevator maintenance system showing the third embodiment of the present invention. The same parts as those in FIG.

  In the third embodiment, as shown in FIG. 4, a maintenance system connection terminal 60 is provided in the vicinity of the hall call button, the maintenance system connection terminal 60, the maintenance terminal interface unit 11 in the control device 3, and vibration noise data. The detection unit 20 is connected by transmission lines 61 and 62, and the maintenance terminal device 30 is connected by maintenance system transmission lines 63a and 63b.

  With such a configuration, the maintenance terminal device 30 can be connected at the hall call button position, so that the elevator travel having the control panel installed in the hoistway is also similar to the first embodiment. The time abnormality diagnosis and the control program, the control constant, or both can be changed.

The block diagram of the maintenance system of the elevator which shows the 1st Embodiment of this invention. The figure which shows the flowchart for demonstrating the effect | action of the embodiment. The block diagram of the maintenance system of the elevator which shows the 2nd Embodiment of this invention. The block diagram of the maintenance system of the elevator which shows the 3rd Embodiment of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Hoisting machine, 2 ... Main rope, 3 ... Riding car, 4 ... Balance weight, 5 ... Control device, 6 ... CPU, 7 ... ROM, 8 ... RAM, 9, 9a-9e ... Transmission path, 10 ... Maintenance ROM for terminal, 11 ... maintenance terminal interface, 12 ... maintenance terminal, 13 ... I / O section, 14 ... display section, 15 ... key input section, 16 ... program change section, 17 ... vibration detector, 18 ... noise detector , 19a, 19b ... connector connection part, 20 ... vibration / noise detection part, 21 ... diagnostic device, 22 ... data collection part, 23 ... diagnosis processing part, 24 ... determination part, 25 ... display part, 26 ... correction data selection part , 27 ... correction database, 28 ... data transmission unit, 29 ... correction data confirmation unit, 30 ... maintenance terminal device, 50, 60 ... connection connector for maintenance system, 51, 52, 61, 62, 63a, 63b ... transmission path.

Claims (8)

In the maintenance system that remotely performs the maintenance of the elevator controlled by the controller via the hoisting machine,
A connector connecting portion provided in the elevator car;
A detector connected to the connector connecting portion for detecting at least one of vibration of the elevator car or noise;
A vibration / noise data detection unit provided in the control device and connected to the connector connection unit via a transmission line;
It is possible to change and adjust control programs and control constants of a diagnostic device that takes in vibration data and / or noise data measured by the vibration / noise data detector and diagnoses the presence or absence of abnormality. A maintenance terminal device with a maintenance terminal,
The maintenance terminal device diagnosis device compares the data collected by the data collection unit with a data collection unit that collects data when the car travels measured by the vibration / noise data detection unit and a reference value. And a means for outputting a control program for the elevator and correction data for the control constant based on the determination result of the determination unit, and the maintenance terminal is output from the diagnostic device An elevator maintenance system having a function of changing and adjusting a control program and control constants of an elevator of the control device based on correction data.   2. The elevator maintenance system according to claim 1, wherein the correction data output means includes a correction database in which control data of the elevator and correction data of control constants are stored for each abnormal item. Maintenance system. In the elevator maintenance system according to claim 2,
The correction data output means includes correction data selection means for selecting and outputting a control program or a control constant corresponding to the corresponding abnormal item from the correction database based on a determination result of the determination unit. Elevator maintenance system. In the elevator maintenance system according to any one of claims 1 to 3,
Provided with a maintenance terminal connection connector in the car, and connected to the control device via a transmission line,
The maintenance terminal device is connected to the maintenance terminal connection connector during maintenance of the elevator, and the control program and control constants of the elevator of the control device can be changed and adjusted in a state where the elevator is in the car. Elevator maintenance system. In the elevator maintenance system according to any one of claims 1 to 3,
A maintenance terminal connection connector is provided in the vicinity of the hall call button, and connected to the control device via a transmission line.
The maintenance terminal device is connected to a maintenance terminal connection connector during maintenance of the elevator, and the elevator control program and control constant of the control device can be changed and adjusted from the hall call button position. Maintenance system. In the elevator maintenance system according to any one of claims 1 to 5,
An elevator maintenance system comprising a connector connecting portion in the vicinity of the hoisting machine, and a detector for detecting at least one of vibration or noise of the elevator car of the elevator being connectable to the connector connecting portion. In the elevator maintenance system according to claim 2 or claim 3,
The diagnostic device changes the program or control constant in the control device when the correction data corresponding to the control program or control constant of the elevator based on the determination result of the determination unit is not stored in the correction database. Elevator maintenance system characterized by not doing so. In the elevator maintenance system according to claim 7,
The determination unit has a function of causing a display to display work information for normal correction when a control program or a control constant in the control device is not changed.

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