JP2872071B2 - Remote monitoring and diagnostic equipment for elevators - 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 remote monitoring / diagnosis system having a data collection center and an abnormality monitoring center connected to a terminal device of an elevator via a communication line.

[0002]

2. Description of the Related Art High-performance or high-speed elevators have been widely used in high-rise buildings and high-rise houses, and have become indispensable for transporting people and luggage. Therefore, while preventing the failure of the elevator, even if a failure occurs,
Recovery is required as soon as possible.

[0003] From such a demand, for example,
As described in JP-A-288880, a terminal device connected to an elevator control device, and an abnormality monitoring center connected to the terminal device via a communication line and remotely monitoring the elevator, comprising: Abnormality monitoring means for outputting an abnormality notification based on data output from the elevator control device, and communication means connected to the abnormality monitoring means and transmitting the abnormality notification to the abnormality monitoring center. There is a remote monitoring device.

In the remote monitoring device configured as described above, when an abnormality occurs in the elevator, an abnormality alert is output by the abnormality monitoring means of the terminal device based on the data output from the control device, and the communication is performed. Means for transmitting the abnormality notification to the abnormality monitoring center via the communication line. The abnormality monitoring center is usually provided in a maintenance company, and the maintenance company immediately sends maintenance personnel to the site.

[0005] However, in the remote monitoring device configured as described above, an alarm is transmitted to the abnormality monitoring center after an abnormality has occurred, so that there has been a problem that countermeasures are always taken late. Then, conventionally, Japanese Patent Application Laid-Open No. 5-178
As described in Japanese Unexamined Patent Publication No. 557, a data collection center connected to the terminal device via a communication line and periodically diagnosing whether or not the operation of the elevator is abnormal, in addition to the one provided in the remote monitoring device described above. And an elevator remote monitoring and diagnostic device provided with a terminal device and having a data measuring means for performing a measurement process based on data output from the elevator control device and outputting a data signal.

[0006] In the conventional elevator remote monitoring and diagnosis apparatus configured as described above, various data such as the number of times of operation of each part of the elevator and the speed data of the car are measured by the data measuring means. In response to a periodic request from the data collection center, the data measurement means transmits the data from the communication means to the data collection center via the communication line, and the data collection center controls the elevator based on the data. Remote diagnosis is performed.

[0007]

By the way, in the conventional elevator remote monitoring and diagnosis apparatus described above, since each of the abnormality monitoring means and the data measuring means is connected to a communication line via one communication means, the When an abnormality occurs in the elevator while the measurement unit and the data collection center are connected, the abnormality monitoring unit sets the abnormality until the connection between the data measurement unit and the data collection center performed through the communication unit is completed. There was a problem that the connection with the monitoring center could not be made, and the transmission of an abnormal alert that needed to be dealt with urgently was delayed.

The present invention has been made in view of such a situation in the prior art, and an object of the present invention is to provide an elevator remote monitoring / diagnosis apparatus capable of constantly and promptly transmitting an abnormal alert. .

[0009]

SUMMARY OF THE INVENTION In order to achieve this object, the present invention provides a terminal device connected to an elevator control device, and a terminal device connected to the terminal device via a communication line, wherein the operation of the elevator is abnormal. An abnormality occurs in the elevator currently connected to the data collection center that periodically diagnoses whether the elevator is currently operating and connected to the terminal device through the communication line.
Bei and an abnormality monitoring center to remote monitoring whether the
In addition , the terminal device, a data measurement unit that performs a measurement process based on data output from the elevator control device and outputs a data signal, and an abnormality monitoring unit that outputs an abnormality alert based on the data. Communication means for connecting the data measurement means and the abnormality monitoring means, transmitting the data signal to the data collection center, and transmitting the abnormality notification to the abnormality monitoring center, in the, the data measurement
One of the means and the abnormality monitoring means, and the communication means
Selectively while switching connecting, at the abnormality alarm
Outputs the abnormality report based on the abnormality report
During a state that connects the communication means and said abnormality monitoring means
Is provided with a switching control means that keeps maintaining .

[0010]

Since the present invention is constructed as described above, when an abnormality occurs in an elevator, an abnormality alert is output by abnormality monitoring means provided in the terminal device based on data output from the elevator control device, The abnormality monitoring means is preferentially connected to the communication means by the switching control means in response to the abnormality notification, so that the abnormality monitoring means can transmit the abnormality notification to the abnormality monitoring center. As a result, it is possible to always promptly transmit an abnormal alert.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of an elevator remote monitoring and diagnosis apparatus according to the present invention.

FIG. 1 is a block diagram showing an embodiment of an elevator remote monitoring and diagnosis apparatus according to the present invention, and FIG. 2 is a flowchart showing an operation procedure of the remote monitoring and diagnosis apparatus of FIG.

As shown in FIG. 1, the remote monitoring and diagnosing device is connected to a terminal device 3 connected to a control device 2 of the elevator 1 and to the terminal device 3 via a communication line 4, and the operation of the elevator 1 is abnormal. Whether a malfunction has occurred in the currently operating elevator 1 which is connected to the data collection center 5 which periodically diagnoses whether or not the terminal device 3 is connected via the communication line 4
Have an abnormality monitoring center (6) for remote monitoring how
You. Further , a data measurement means 7 for performing a measurement process based on data output from the control device 2 of the elevator 1 and outputting a data signal to the terminal device 3, and an abnormality monitoring means for outputting an abnormality alert based on the data A communication unit 9 connected to the data measurement unit 7 and the abnormality monitoring unit 8 for transmitting the data signal to the data collection center 5 and transmitting the abnormality notification to the abnormality monitoring center 6; Is transmitted to the data measuring means 7 output from the control device 2 to the data measuring means 7, and the data relating to the abnormality monitoring means 8 output from the control device 2 is connected to the abnormality monitoring means 8. And a switching unit 12 is provided between the communication line 4 and the data collection center 4 and the abnormality monitoring center 5.

The remote monitoring and diagnostic apparatus of the present embodiment
The abnormality monitoring unit 8 is provided between the data measurement unit 7 and the communication unit 9 and is connected to the communication unit 9 with priority based on the abnormality notification, that is, based on the abnormality notification. And a switching control means 13 for releasing the connection between the data measuring means 7 and the communication means 9 and switching the connection path of the communication means 9 to the abnormality monitoring means 8 side.

In this embodiment, when the elevator 1 is in a normal state, the data collection center 5 is executed in step S1.
When the type code is output from the data collection center 5 to the data measuring means 7 via the switching control means 13 as a step S2, the data measuring means 7 And outputs a data signal based on. During this time, the switching control means 13 continues the connection between the data measurement means 7 and the communication means 9 as step S6, while confirming that there is no alarm notification from the abnormality monitoring means 8 as shown in step S3. The data signal output from the data measuring means 7 is sent to the communication means 9 via the switching control means 13, and the communication means 9 sends the data signal to the data collection center 5 via the communication line 4. The output of the type code from the data collection center 5 and the output of the data signal from the data measurement means 7 are automatically and repeatedly performed until the data collection is completed.

At this time, that is, when the data measuring means 7 and the communication means 9 are connected via the switching control means 13, an abnormality occurs in the currently operating elevator 1,
When an abnormality notification is output from the abnormality monitoring unit 8 to the switching control unit 13 in step S3 based on the data output from the control device 2, the switching control unit 13 is output from the data collection center 5 in step S4. The communication termination command indicating the occurrence of the abnormal alarm is transmitted to the data collection center 5 ignoring the type code. Then, in step S5, the connection between the data measurement means 7 and the communication means 9 is opened, and the abnormality monitoring means 8 and the communication means 9 are connected. Send to center 6.

On the other hand, when the data collection center 5 receives the communication end command, it disconnects the connection with the communication line 4 and enters a standby state, and after a predetermined time, resumes the data collection.

In the embodiment configured as described above, the abnormal alert requiring urgency can be transmitted quickly without any delay due to the data collection by the data collection center 5. Also, there is no need to add another communication line.

[0019]

While preferred embodiments of the present invention is configured as described above, de
Data collection center and abnormality monitoring center
There is, always quickly it can perform transmission of abnormal alarm,
As a result, it is possible to prevent a delay in responding to the abnormality that has occurred, and to improve safety and reliability.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of an elevator remote monitoring and diagnosis apparatus according to the present invention.

FIG. 2 is a flowchart showing an operation procedure of the remote monitoring diagnostic apparatus of FIG. 1;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 elevator 2 control device 3 terminal device 4 communication line 5 data collection center 6 abnormality monitoring center 7 data measurement means 8 abnormality monitoring means 9 communication means 13 switching control means

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hitoshi Nakamura 1-6-6 Kandanishikicho, Chiyoda-ku, Tokyo Inside the Hitachi Building System Service Co., Ltd. (72) Hiroshi Yamazaki 1-6-6 Kandanishikicho, Chiyoda-ku, Tokyo Co., Ltd. (56) References JP-A-6-144736 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) B66B 3/00 B66B 5/00 B66B 5/02

Claims (3)

(57) [Claims] A terminal connected to a control device of the elevator; a data collection center connected to the terminal via a communication line for periodically diagnosing whether the operation of the elevator is abnormal; An error is detected in the currently operating elevator connected to the terminal device via a line.
Whether the pear and an abnormality monitoring center to remote monitoring
And a terminal device, a data measurement unit that performs a measurement process based on data output from the elevator control device and outputs a data signal, and an abnormality monitoring unit that outputs an abnormality alert based on the data. Communication means for connecting the data measurement means and the abnormality monitoring means, transmitting the data signal to the data collection center, and transmitting the abnormality notification to the abnormality monitoring center, there are, one of the data measurement means and said abnormality monitoring means,
The communication means is selectively switched and connected, and at the time of the abnormality notification, the abnormality notification is performed based on the abnormality notification.
A remote control diagnostic device for an elevator, comprising: a switching control unit that keeps a state in which the abnormality monitoring unit and the communication unit are connected to each other while the signal is output . 2. The switching control means according to claim 1, wherein a state of connection between the data measuring means and the communication means is released and a connection path of the communication means is switched to the abnormality monitoring means on the basis of the notification of the abnormality. Item 2. An elevator remote monitoring and diagnostic device according to Item 1. 3. The remote monitoring and diagnosing device for an elevator according to claim 1, wherein the switching control means is provided between the abnormality monitoring means and the data measuring means and the communication means.