JP3133458B2 - Elevator failure monitoring 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 failure monitoring device, and more particularly to an elevator failure monitoring device for grasping the operating state of an elevator from a remote place.

[0002]

2. Description of the Related Art Conventionally, maintenance and inspection of elevators are performed periodically by a maintenance worker who goes to a site where the elevators are actually installed, where the operation status of the elevators is checked, and parts are replaced, malfunctions are repaired, and failures are investigated. Had been adopted,
Since such maintenance and inspection methods only allow a defective part to be found after going to the site, if there is no spare part on hand at the time of repairing the part, the repair work should be interrupted and returned to get a replacement part. Sufficient analysis could not be performed due to lack of handheld instruments. Therefore, as described in JP-A-59-22689,
A control device for collecting operating status data of the elevator, a data recording device for recording the collected operating status data, a timer device for operating the data recording device only during regular maintenance and inspection, and the recorded operation An elevator failure monitoring device comprising a signal conversion device for converting status data into a serial signal and a transmission device for transmitting the serial signal to a maintenance center has been proposed, whereby maintenance personnel can operate a timer device during maintenance and inspection. in the data recording apparatus is operated, the operation state data of the recorded elevator therein, after being converted into serial signals by the signal converter, is transmitted to the maintenance center, the operation state of the maintenance center has been transmitted The data is processed by the information processing device, and the operating state of various elevators is periodically grasped in a remote place.

[0003]

However, the conventional elevator failure monitoring apparatus transmits the operating state data of the elevator to the maintenance center only at the time of regular maintenance as described above, so that the operating state of the elevator can be remotely controlled. However, most of the abnormalities of elevators are abnormal during normal service, and many of these abnormalities are more likely than failures that cause serious failures that make elevators unusable. Abnormalities that are unfavorable due to standing for a long time, and relatively minor abnormalities that do not cause much problem in the use of elevators, such as poor landings that cause a step between the elevator car floor and the building, etc. Cannot be taken out at the right time during maintenance and inspection. for that reason,
A cause that could accumulate these slight abnormalities and lead to a serious failure could not be found in a timely manner.

An object of the present invention is to provide an elevator failure monitoring device which enables even a slight abnormality occurring during normal service of an elevator to be grasped at a remote place such as a maintenance center.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, according to the present invention, when it is detected that a certain amount of operation state data has been recorded in a data recording device for recording operation state data of an elevator , recording completion information is obtained. And transmission command means for operating a transmission device to transmit the fixed amount of operation state data to the maintenance center when the detection means outputs the recording completion information. .

[0006]

[0007]

Since the elevator malfunction monitoring apparatus according to the action of the present invention constructed as described above, always collecting the various operating condition data obtained in the normal service or the like of the temperature disembarking, the collected operating condition data for example by type and constant The data is sequentially recorded in the data recording device for each period, and when the operation state data recorded in the data recording device reaches a certain amount, the detecting means detects this and outputs recording completion information. As a result, the transmission command means activates the transmission device, so that the transmission device transmits a certain amount of operation state data to the maintenance center. The maintenance center can sequentially acquire the operation data and grasp the abnormality with good timing.

[0008]

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a system configuration diagram of an elevator failure monitoring device according to one embodiment of the present invention. The elevator is configured such that a car 1 and a counterweight 2 are hung on a sheave 4 via a rope 3 in a hanging manner. A brake 5, an electric motor 6, and a pulse generator 7 are attached to the shaft of the sheave 4 via a speed reducer, and the electric motor 6 has a rotation direction and a speed that are controlled by a power control device 11 that controls electric power supplied from a power supply 10. Controlled. The power control device 11 includes a control device 8 and a disconnector 9, and controls the traveling direction of the elevator and the brake 5 by a control signal from the microcomputer 12. The control device 8 is controlled by the output of the speed control device 13 to which the output of the pulse generator 7 and the output of the microcomputer 12 are input. The microcomputer 12 receives a signal 14 from various safety devices installed in the elevator to output a command to stop the elevator when a failure occurs, or various signals input via a tail cord 31 connected to the car 1. The elevator is controlled by the car information and the information from the pulse generator 7,
The / O port 15 is connected so that various information can be output to the outside.

An elevator control unit 16 comprising a power control unit 11, a microcomputer 12, a speed control unit 13 and an I / O port 15 has a data recording unit 17 for recording operating state data collected from each unit, An elevator failure monitoring device 1 comprising a transmission device 18 for transmitting the operation state data recorded in the data recording device 17
9 is connected. The maintenance center 23 including a transmission device 21 for receiving operation status data from the elevator-side transmission device 18 and an information processing device 22 for processing various information is connected to the elevator failure monitoring device 19 via a communication path 24. Connected.

[0011] Data Symbol recording instrumentation <br/> location 17 in the elevator malfunction monitoring apparatus 19, as shown in detail in FIG. 2, a program by a system bus microprocessing unit MPU171 the delivery address and control signals are performed A ROM 172 to be mounted, a RAM 173 for recording operating state data of the elevator, an I / O port 170 connected to the I / O port 15 of the elevator, and a communication port 174 for inputting and outputting signals to and from the transmission device 18 It is configured.

FIG. 3 is a flow chart showing a part of the operation state data processing process of the elevator failure monitoring device 19.
During normal service of the elevator, as shown in step 1,
Information of various safety devices from the elevator control device 16 to the I / O port 170, operating state data, such as information of the information and landing conditions such as the running direction and speed are inputted. Then step 2
In the operation state data inputted in step 1, only the predetermined operation state data is extracted by sequentially selecting the type of operation state data to be transmitted to the maintenance center 23, for example, information having different contents every predetermined period. Then, it is recorded in the RAM 173. The processing from step 1 to step 2 is repeatedly performed, and the operation state data is accumulated. And
Recording is continued until a predetermined amount of predetermined operation state data is accumulated. If it is confirmed in step 3 that the recording of a predetermined amount has been completed by detecting means (not shown), recording completion information is created in step 4 and The transmission device 18 is operated by means (not shown), and the recording completion information is transmitted from the transmission device 18 to the maintenance center 23 via the communication path 24.

[0013] In the maintenance center 23, since the operation state data in the normal service of the elevator can confirm that it has completed accumulation, maintenance and inspection can grasp the operating state of the independent elevator and, reduced between during maintenance work it it is, a serious accident due to slight abnormality in storage can also be prevented. Also, the maintenance center 23 has means 2 for operating the transmission device 18 of the elevator failure monitoring device 19.
5 is provided and operates the unit 25 at the maintenance center 23 side, the operation state data in the data recording device 17 by operating the transmission device 18 that are sent to the transmission apparatus 21 through the communication line 24. This information is processed by the information processing device 22, and is processed in the same manner as when the operation state data reaches a certain amount. Therefore, it is possible to grasp the abnormality at the maintenance center 23 before the maintenance inspection by the maintenance staff.

In this embodiment, the elevator failure monitoring device 19
The microcomputer 12 in the elevator control device 16
However, both functions may be performed by the microcomputer 12.

[0015]

The present invention described above, according to the present invention records the operating condition data of the elevator to the data recording device, since a certain amount of operational state data is to be transmitted to the maintenance center when accumulated, maintenance center to obtain the operation data of the elevator including a slight abnormality that occur during normal service Turkey
It is possible to reliably grasp the operating state of the elevator,
Predicting serious accidents due to accumulation of slight abnormalities,
Can be prevented.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram of an elevator failure monitoring device according to an embodiment of the present invention.

FIG. 2 is a block diagram of a data recording device of the elevator failure monitoring device shown in FIG. 1;

FIG. 3 is a flowchart illustrating an operation state data processing process of the elevator failure monitoring device according to an embodiment of the present invention.

[Explanation of symbols]

 8 control device 17 data recording device 18 transmission device 23 maintenance center

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hajime Okamoto 1-6-6 Kandanishikicho, Chiyoda-ku, Tokyo Within Hitachi Building System Service Co., Ltd. (72) Inventor Kenji Kono 1-6-6 Kandanishikicho, Chiyoda-ku, Tokyo Co., Ltd. Within Hitachi Building System Service (72) Inventor Hiroshi Kiyosugi 1-6-6 Kandanishikicho, Chiyoda-ku, Tokyo Within Hitachi Building System Service Co., Ltd. (72) Inventor Hiroshi Yamazaki 1-6-6 Kandanishikicho, Chiyoda-ku, Tokyo Hitachi, Ltd. Within the Building System Service (72) Inventor Hisanori Fukai 1-6-6 Kandanishikicho, Chiyoda-ku, Tokyo Within the Hitachi Building System Service Co., Ltd. (56) References JP-A-59-22869 (JP, A) JP-A-2-158580 (JP, A) JP-A-2-95684 (JP, A)

Claims (1)

(57) [Claims] And data Symbol recording apparatus 1. A storing operation status data collected elevators in elevator malfunction monitoring apparatus having a transmission device for transmitting to the maintenance center by converting the operation state data to a signal, the data Detecting means for outputting recording completion information when detecting that a certain amount of operation state data has been recorded in the recording device; and transmitting the fixed amount of operation state data to the maintenance center when the detection means outputs the recording completion information. And a transmission command means for operating the transmission device to transmit the data to the elevator.