JP3181414B2 - Elevator inspection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator inspection apparatus in which initial operation data of an equipment part subjected to a maintenance operation is rewritten with new initial operation data after the maintenance operation.

[0002]

2. Description of the Related Art Elevator performance is measured by measuring the performance of parts and equipment performed during maintenance work and by maintenance personnel during maintenance operation.
Judgment is made comprehensively based on the state of operation of each part as perceived by experience and the ride comfort felt by passengers during operation, and if it is judged that the performance of the elevator is degraded, adjustment of equipment of the corresponding part or replacement of parts etc. Maintenance work is performed. In order to quantitatively determine the decrease in the performance of the elevator and to take an appropriate response, a periodic inspection by a maintenance person is required. However, it is difficult for a limited number of maintenance staff to increase the number of regular inspections.On the other hand, in terms of service to passengers, the downtime of elevators for inspections should be reduced as much as possible. There is a request to want.

In view of the current state of elevator inspection, Japanese Patent Laid-Open Publication No. 1-252479 stores initial operation data at the time of installation of equipment around doors of an elevator, and stores the initial operation data and operation data at the time of operation. Are constantly compared with each other, and when the difference exceeds a predetermined judgment value, an alarm is issued to automatically inspect the door surrounding equipment.

[0004]

By the way, when maintenance work is performed on an elevator to adjust equipment or replace parts, the initial operation data of the equipment and parts is different from the initial operation data before the maintenance work is performed. Will vary slightly due to subtle differences in installation conditions and aging. For this reason, in the elevator inspection device as described above, the initial operation data after the maintenance work is stored each time for the equipment or parts that are the target of the maintenance work, and thereafter, for the equipment or parts, It is desirable that the check operation is performed using the new initial operation data.

[0005] However, in the apparatus according to the disclosure, when the initial operation data of the equipment subjected to the maintenance work is rewritten to new initial operation data after the maintenance work, the stored equipment which is no longer the object of the maintenance work is rewritten. All the initial operation data is lost. For this reason, if it is attempted to rewrite the initial operation data of the equipment on which the maintenance work has been performed, the initial operation data of all the other equipment must also be rewritten at the same time, and rewriting requires considerable time and effort.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned current state of elevator inspection, and has an object to rewrite only initial operation data of equipment which is a target of maintenance work. An elevator inspection device is provided.

[0007]

In order to achieve the above object, the present invention stores an initial operation data when an elevator is installed, compares the operation data during operation with the initial operation data, and inspects the elevator. In the elevator inspection device for performing the following, after performing the maintenance work on the elevator, input means for inputting the performed maintenance work items, determination means for determining initial operation data that needs to be rewritten for the input maintenance work items, Operation data setting means for rewriting the initial operation data determined to be rewritten by the judgment means with the operation data measured after the maintenance work and setting new initial operation data.

[0008]

With such a configuration, when maintenance work is performed on an elevator, when the performed maintenance work items are input by the input means, the initial operation data that needs to be rewritten by the determination means in accordance with the maintenance work items. Is determined. Therefore, when the operation data corresponding to the initial operation data determined to need to be rewritten is measured after the maintenance work, the initial operation data is rewritten by the measured operation data by the operation data setting means, and the new initial operation data is updated. The data is set.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 and 2 in the case of performing maintenance and inspection of equipment around an elevator door. Here, FIG. 1 is a block diagram showing the configuration of the embodiment, and FIG. 2 is a time chart showing the opening and closing operation of the elevator door of the embodiment.

In FIG. 1, reference numeral 1 denotes a car, which is connected to the car 1 and controls an operation control device 2 for controlling the operation of the car 1. An elevator comprising a door opening / closing inspection device 3 and a data rewriting device 6 is provided. Is connected to the door opening / closing inspection device 3. Further, in the embodiment, the data rewriting device 6 is configured to be portable, so that a maintenance person who performs maintenance work brings the data rewriting device 6 to the installation site of the elevator to be maintained and connects to the door opening / closing inspection device 3 for use. It is.

As shown in FIG. 1, a car 1 includes a door motor 11 for driving a door, a car door switch GS which is turned on 10 mm before the door is closed, and 3 mm before a door closed end.
Fully-closed detection switch CLS that is turned on by 5 and 5 before the door is opened
A full-open detection switch OLS which is turned on in mm is provided.
In addition, the operation control device 2 inputs the floor interface signal generation unit 22, the door close command signal generation unit 24, the door open command signal generation unit 23, and the respective switch signals to the communication interface 25 for transmitting various signals. The configuration is such that the interface 21 is connected. Then, the door opening command signal generating section 23
The door closing command signal generating section 24 is connected to the door motor 11, and the car door switch GS, the fully closed detection switch CLS and the fully opened detection switch OLS are connected to the input interface 21, and the input interface 21 is connected to the input interface 21.
Is also connected to a door lock switch DS which outputs a lock signal when the landing door is closed and locked.

The operation control device 2 controls operation such as running and stopping the car 1 and opening and closing a door.
The floor signal FL indicating the position of the car 1 from the floor signal generator 22, the open command signal ZOPEN from the door open command signal generator 23, the close command signal ZCLOSE from the door close command signal generator 24, and the door lock. It also has a function of outputting a lock signal from the switch DS.

The door opening / closing inspection device 3 connected to the operation control device 2 includes an operation time measuring circuit 31 for measuring a predetermined operation time between signals in response to a signal output from the communication interface 25. , Operating time measurement circuit 31
And an initial value storage circuit 33 for storing an initial measurement value of the operating time measurement circuit 31 when the elevator is installed. further,
The door opening / closing inspection device 3 compares the initial measurement value stored in the initial value storage circuit 33 with the measurement value stored in the measurement storage circuit 32 to determine whether the door opening / closing operation is good or not. And a determination storage circuit 35 in which the determination data of the comparison determination circuit 34 is stored. The operation time measurement circuit 31 and the measurement storage circuit 32 are connected to the communication interface 25, and the operation time measurement circuit 31, the initial value storage circuit 33, and the comparison determination circuit 34 are connected to the measurement storage circuit 32. The initial value storage circuit 33 and the determination storage circuit 35 are connected to the comparison determination circuit 34, and the terminal device 4 and the display device 5 are connected to the determination storage circuit 35.

On the other hand, the data rewriting device 6 carried by the maintenance personnel
Then, an input unit 61 for inputting items of maintenance work performed by the inspector is connected to an initial value setting determination unit 62 for determining operation data that requires rewriting of initial operation data in accordance with the input items. The initial value setting judging section 62 is connected to an initial value setting section 64 for issuing a command for initial value setting and an initial operation data storage section 63 for storing initial operation data.

Next, the operation of the embodiment having such a configuration will be described.

In the embodiment, the operation data used for checking the equipment around the elevator door is the ON / OFF timing time of a signal related to the opening and closing of the door. That is, as shown in FIG. 2, in the embodiment, at the time of the opening operation of the elevator door,
At the time point CET, the logical value of the door open command signal ZOPEN becomes "1", the logical value of the fully-closed detection signal XCLS becomes "0" after a time a0 from the start time CET of the opening operation, and the fully open signal a time a1 after the time a0. Detection signal XOLS
Becomes "1". Also, from time a0 to time a2
Later, the logical value of the car door switch signal XGS becomes "0", and the logical value of the landing door switch signal XDS becomes "0" after the time a3 from the time a0. In this case, FIG.
At time CET, the elevator door is completely closed, and at time OET, the elevator door is completely opened.

In the embodiment, when the elevator is installed, these times a0, a1, a2, and a3 are determined by the operation time measuring circuit 3.
1 and stored in the initial value storage circuit 33 as initial operation data. At the time of storing the initial operation data, the elevator door is opened and closed once for each floor, and the measured values at times a0 to a3 are stored in the initial value storage circuit 33 for each floor together with the initial value setting completion flag. Store. In this case, if the number of times the elevator doors are opened and closed on each floor is set to a plurality of times and the average value of the measured values at times a0 to a3 is stored as initial operation data, the accuracy of determination based on these initial operation data is improved. Can be done. Also, the measured values of the times a1 to a3 differ for each elevator, and even for the same elevator, there are differences in the specifications of the landing doors for each floor, and may differ.

In the embodiment, during normal operation, every time the elevator door is opened and closed during the operation of the car 1, the operating time measuring circuit 31 measures the times a0 to a3, and the measured values are stored in the measuring storage circuit 32. You. Then, the measurement storage circuit 32 and the initial value storage circuit 33
From the above, the measured data corresponding to the times a0 to a3 corresponding to each other are read out and subjected to a comparison operation, and if there is a difference between the predetermined values set in advance, it is determined that there is an abnormality. This time a0
The change of a3 is monitored by the comparison and judgment circuit 34, thereby increasing the traveling resistance value of the landing door, increasing the traveling resistance value of the car door, changing the closing position of the car door switch GS, and changing the position of the landing door switch DS. Change of the injection position
Perform inspections for maintenance work items such as "change in the closing position of the fully closed detection switch CLS", "change in the closed position of the fully open detection switch OLS", "clogging of the car door", "abnormality near the closed end of the landing door". be able to.

When the comparison and determination circuit 34 determines that an abnormality has occurred, the inspection date and time data, an abnormality detection code indicating the content of the abnormality, the floor name data, the measurement data at times a0 to a3, and the measurement data at times a0 to a3. Initial operation data is stored in the determination storage circuit 35. Then, various data stored in the determination storage circuit 35 are transmitted to the monitoring center of the elevator maintenance company via the terminal device 4 periodically, for example, once a month. Therefore, the monitoring center of the elevator maintenance company analyzes the transmitted data, and maintenance personnel are dispatched to the elevator installation site for maintenance work on defective equipment,
Perform maintenance work such as adjusting defective equipment and replacing parts.

In this case, for example, assuming that an abnormality such as "change of the loading position of the landing door switch on the third floor" is detected, the maintenance person inspects the vicinity of the door lock switch on the third floor, and checks the door lock switch. If the contact is severely worn, the door switch is replaced with a new one, and after the replacement, it is confirmed that the door opening and closing operation is performed normally, and the maintenance work is completed. Due to this maintenance work, the operation time of each switch when opening and closing the elevator door becomes a normal value, but the replaced floor door switch on the third floor can not be installed in exactly the same state as before the replacement, and there is also aging. Therefore, the initial operation data of the door switch is different from the initial operation data stored in the initial value storage circuit 33 when the elevator is installed.

Therefore, in the embodiment, the maintenance worker connects the data rewriting device 6 carried to the door opening / closing inspection device 3,
As a maintenance work item performed by operating the input unit 61, “3”
Replacement of floor door switch "is input. In response to the input of the input data, the initial value setting determination section 6
2 is operated, the initial operation data corresponding to the input data of "replacement of the third floor door switch" is retrieved from the initial operation data storage unit 63, and the third-floor fully closed detection signal XCLS is retrieved.
It is determined that it is necessary to rewrite the initial operation data at time a3 until the logical value of the landing door switch signal XDS becomes “0” after the logical value of “0” becomes “0”. And
In response to the setting signal from the initial value setting unit 64, the initial value storage circuit 33 is set to the reset state, and the initial value setting completion flag at time a3 on the third floor is cleared.

In this state, when the maintenance person moves the car 1 to the third floor and opens and closes the elevator door at the third floor landing, the operating time measured by the operating time measuring circuit 31 corresponding to this opening and closing is shown. Of these, only the operation time a3 is rewritten and stored in the initial value storage circuit 33 as initial operation data. For this reason, the initial operation data of the operation time a3 corresponding to the exchanged third floor door switch is:
The equipment and parts that have been rewritten with new initial operation data and the abnormalities that occur thereafter are determined with high accuracy, and are no longer subject to maintenance work, are determined by the initial operation data written when the elevator was installed. As before, the abnormality is properly determined.

As described above, according to the embodiment, the initial operation data is rewritten only for the equipment that has been adjusted or replaced by performing the maintenance work. Therefore, when the equipment is adjusted or replaced, a simple operation is performed. Accordingly, the latest initial operation data of each device can be stored in the initial value storage circuit 33 in a short time, and the subsequent inspection for abnormality of the members can always be performed with high accuracy. For this reason, while performing maintenance work,
Even for an elevator that has been used for many years, abnormality detection of each member can be always performed with high accuracy, and a safe and comfortable operating state of the elevator is maintained.

Although the embodiment has been described with respect to the case where the maintenance of the equipment around the doors of the elevator is performed, the present invention is not limited to the embodiment, and the initial operation data is compared with the current operation data. For example, the present invention can be applied to all equipment that determines an abnormality. For example, it is also possible to check the traveling state of an elevator.

[0025]

As described above, according to the present invention, the operation data that needs to be rewritten is determined for the equipment subject to the maintenance work, and the operation data that is determined to need to be rewritten is measured. Since the initial operation data of the equipment is rewritten by the operation data, even if maintenance work is repeated, abnormality of the equipment is always inspected with high accuracy based on the latest initial operation data, and the elevator can be operated for a long time. It is possible to maintain a safe and comfortable driving state throughout.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of the present invention.

FIG. 2 is a time chart showing an elevator door opening and closing operation according to one embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 car 2 operation control device 3 door opening / closing inspection device 6 data rewriting device 31 operation time measurement circuit 32 measurement storage circuit 33 initial value storage circuit 34 comparison measurement circuit 35 judgment storage circuit 61 input unit 62 initial value setting judgment unit 63 initial operation Data storage unit 64 Initial value setting unit

────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Yuichi Hara 1-6-6 Kandanishikicho, Chiyoda-ku, Tokyo Within Hitachi Building System Service Co., Ltd. (56) References JP-A-1-252479 (JP, A) JP-A-Hei 3-111391 (JP, A) JP-A-3-13474 (JP, A) JP-A-62-176171 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B66B 5/00 -5/28

Claims (1)

(57) [Claims] 1. An elevator inspection device that stores initial operation data when an elevator is installed, compares the operation data during operation with the initial operation data, and performs an inspection of the elevator. Input means for inputting the updated maintenance work item, determining means for determining initial operation data that requires rewriting for the input maintenance work item, and maintaining the initial operation data determined to require rewriting by the determining means. An elevator inspection device, comprising: operation data setting means for setting new initial operation data by rewriting with operation data measured after work.