JP2922045B2 - Remote failure diagnosis device 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 failure diagnosis apparatus for remotely diagnosing a failure occurring in an elevator via a communication line.

[0002]

2. Description of the Related Art Conventionally, the operation of a plurality of elevators has been remotely monitored, and if an abnormality occurs in the operation of the elevator,
A remote monitoring system has been adopted in which a monitoring center is notified of a failure via a communication line. Also, Japanese Patent Application Laid-Open
Japanese Patent No. 16187 discloses an operation management device that collectively manages a plurality of elevators by using an elevator operation diagram that records the elevator car position that changes with time. The operation management device according to the disclosure discloses the elevator management device. The time from when the passenger operates the landing button to when the elevator arrives and the operation is reset is written in the operation diagram. According to this elevator operation diagram, it is possible to grasp the elevator service status through the change in the mutual position of the car and the response status to the hall call,
It is possible to determine whether the operation management of the elevator in the building is optimal.

[0003]

In the conventional remote monitoring system, a failure report issued when an abnormal operation occurs in an elevator indicates a certain level of failure content such as an abnormal start of the elevator, an abnormality in the safety system of the elevator, and the like. Can be grasped, but no specific data on the situation in which the elevator has failed can be obtained. In particular, when the fault is automatically recovered and the elevator is restarted, a recovery technician dispatched to the site will hear from the passenger of the faulty elevator the detailed fault situation such as the fault occurrence position, the state of the door, etc. However, it is necessary for recovery work. For this reason, when there is no passenger in the elevator at the time of failure, or when the elevator breaks down in an unattended state, the failure state is not sufficiently grasped, and the restoration work of the elevator may be troublesome.

[0004] In this case, if a remote monitoring method incorporating the operation management device according to the above disclosure is used, if an operation map of the elevator is created by the operation management device immediately before an abnormality occurs in the elevator, the operation of the elevator is controlled. The service status can be grasped, and the failure status can be grasped specifically. However, the operation management device according to the disclosure creates an elevator operation map as needed for operation management of the elevator, and does not always provide an elevator operation map at the time of failure. The present invention has been made in view of the present situation of elevator failure recovery as described above, and its purpose is to make it possible to determine when an elevator failure has occurred before going to the elevator recovery work. Quick and accurate response measures by grasping in remote locations
Take it to provide a remote diagnosis device for an elevator which can Ru can.

[0005]

To accomplish the above Symbol purposes SUMMARY OF THE INVENTION includes an elevator control device that controls the operation of the elevator, and a data collection device to be stored in the memory to collect operation data of the elevator A remote failure of an elevator comprising an abnormality detection device that constantly monitors the operation of the elevator, detects an abnormal operation and outputs an abnormality signal, and a failure diagnosis device that is connected to the data collection device via a communication line. In the diagnostic device, at the time of detection of an abnormal operation by the abnormality detection device, at least the movement locus data of the car and the entire door
Open operation data and safety operation data or door
Reading means for reading the operating data preset elevator and a Hirakibotan operation data from said memory, and transmitting means for transmitting the operation data to which the reading unit has read to the failure diagnosis device together with the abnormal signal, the A display means for processing the operation data transmitted by the transmission means and displaying it together with other operation information as an operation diagram showing the movement trajectory of the car.

[0006]

With the above construction, the data collecting device constantly collects the operation data of the elevator and stores it in the memory. When the abnormality detecting device detects the abnormality of the elevator, the reading means immediately before the occurrence of the abnormality At least the data of the trajectory of the car and the full opening of the door during the specified time
Operation data, safety operation data or door open button
The preset operation data of the elevator including the operation data is read from the memory. Further, the transmission means transmits the operation data for a predetermined time immediately before the occurrence of the abnormal operation read from the memory by the reading means to the failure diagnosis device together with the abnormal signal. Then, the display means processes the operation data transmitted by the transmission means and displays it together with other operation information as an operation map showing the movement trajectory of the car, so that prior to the recovery work, the operation immediately before the occurrence of the failure of the elevator The situation can be accurately grasped remotely.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a block diagram showing the configuration of the embodiment, and FIG. 2 is an explanatory diagram showing an example of elevator operation data displayed at the time of abnormal operation in the embodiment.

As shown in FIG. 1, in a building B where an elevator is installed, an elevator control device 1 for controlling the operation of the elevator, a data collection device 3 for collecting operation data of the elevator and storing the data in a memory, An abnormality detecting device 2 that constantly monitors the operation, detects an abnormal operation of the elevator and outputs an abnormal signal, and a communication device 4a that corresponds to the transmitting unit of the invention and performs a communication operation with the monitoring center C is provided. Then, the abnormality control device 2 is provided to the elevator control device 1.
And the data collection device 3 are connected, the data collection device 3 is connected to the abnormality detection device 2, and the data collection device 3 is connected to the communication device 4a.

On the other hand, the monitoring center C has a configuration in which a failure diagnosis device 6 for remotely diagnosing an elevator failure is connected to a communication device 4b for communicating with the building B, and the communication device 4b is connected to a communication line. 5 is connected to the communication device 4a of the building B.

[0010] The data collection device 3 includes a reading means for reading, from a memory, elevator operation data including at least data of a trajectory of a car during a certain time period immediately before the occurrence of an abnormal operation when an abnormal operation of the elevator occurs. Is provided. Further, the failure diagnosis device 6 includes display means for displaying elevator operation data which is read out by the reading means and inputted from the communication device 4a via the communication line 5 and the communication device 4b when an abnormality occurs in the elevator. It is provided.

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

During the operation of the elevator, the data collection device 3
From the elevator control device 1, the moving trajectory data of the car changing with time, the upper and lower hall call generation data, the car call generation data, the open button switch ON data,
Safety shoe ON-OFF data, door switch ON
-Take in OFF data and door fully open data and store them in a built-in memory (not shown). When the elevator to the abnormal operation occurs, the abnormality detecting unit 2 detects the abnormal operation, to output the abnormality signal to the data acquisition device 3.

The data collection device 3
Readout means operates, and by the readout means, the operation data of the elevator in a predetermined time section immediately before the occurrence of the abnormal operation,
The data is read from the memory of the data collection device 3. And
Operating data of the elevator read from those the memory is transmitted via the communication line 5 by the communication device 4a to the monitoring center C. The operation data transmitted in this manner is received by the communication device 4b of the monitoring center C, input to the failure diagnosis device 6, edited by the failure diagnosis device 6, and displayed on the monitor surface by the display means. .

FIG. 2 shows elevator operation data for a certain time period immediately before an abnormal operation of the elevator, which is displayed on the monitor surface of the failure diagnosis device 6, wherein the vertical axis indicates the floor of the building B, and the horizontal axis indicates time. Is shown. In the figure, 10
Indicates the movement trajectory of the car position that changes with time,
Triangle 11 indicates a landing call in the ascending direction, and triangle 12 indicates a landing call in the descending direction .
Each continuous state for a predetermined time (5 seconds) and displays the one triangle Te correspondence <br/>.

A circle 13 indicates the state of occurrence of a car call, and one circle is associated with each occurrence of a call. Reference numeral 14 denotes the operation state of the open button switch, that is, the ON state of the switch is indicated by a thick line, the OFF state is indicated by a thin line, 15 indicates the ON-OFF operation state of the safety shoe, and 16 indicates the ON-OFF operation state of the door switch. , 17 are O of the door full open signal
The N-OFF operation state is shown.

As described above, in the embodiment, the data of the elevator operation for a certain period of time immediately before the occurrence of the abnormal operation of the elevator is displayed on the display means of the failure diagnosis device 6, and the cause of the occurrence of the abnormality is analyzed prior to the recovery work. It becomes possible.
For example, looking at the monitor display surface of FIG.
The car has been stopped for a long time on the 10th floor due to the locus of movement 10 around 8 minutes, and the door fully open switch 17 is ON.
Since it is operating, it can be seen that the car door is open. Further, since the safety shoe 15 is ON, it can be understood that the safety shoe 15 is artificially pushed to operate or the switch of the safety tissue 15 is broken.

As described above, according to the embodiment,
When an abnormal operation occurs in the elevator, the movement trajectory of the elevator car, the state of occurrence of upper and lower hall calls, the state of occurrence of a car call, the open button switch ON state are displayed on the monitor display surface of the failure diagnosis device 6 of the monitoring center C. , The ON / OFF state of the safety tissue, the ON / OFF state of the door switch, and the fully opened state of the door are displayed. For this reason, the monitoring center can analyze the state of occurrence of abnormal operation of the elevator before the recovery work based on these data, so that the failure can be promptly dealt with and the recovery of the abnormality of the elevator can be promptly performed. It is possible to do.

In the embodiment, the monitor of the failure diagnosis device 6 displays the movement trajectory of the car, the state of occurrence of the upper and lower hall calls, the state of occurrence of the car call, the ON state of the open button switch, and the ON state of the safety shoe. Although the case where the OFF state, the ON / OFF state of the door switch, and the door fully open state are displayed has been described, the present invention is not limited to the embodiment.
For example, the operation state of the close button and the operation state of the open extension button can be added to them.

[0019]

As described above, claim 1 or claim 1
According to the invention described in the item 2 , when an abnormal operation of the elevator is detected, at least the data of the trajectory of the car and the operation of fully opening the door during a certain time immediately before the occurrence of the abnormal operation.
Data and safety operation data or door open button operation
The preset operation data of the elevator including the operation data is read from the memory of the data collection device by the reading unit, and the operation data is transmitted to the failure diagnosis device,
The operation data transmitted to the display means is processed and displayed together with other operation information as an operation map showing the movement trajectory of the car, so that before going to the elevator recovery work,
An abnormal state relating to the fully opening operation of the door can be grasped at a remote place, and a quick and accurate countermeasure can be taken.

[Brief description of the drawings]

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

FIG. 2 is an explanatory diagram showing elevator operation data displayed in one embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 elevator control device 2 abnormality detection device 3 data collection device 4a, 4b communication device 6 failure diagnosis device

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-138081 (JP, A) JP-A-55-101572 (JP, A) JP-A-61-203083 (JP, A) (58) Field (Int.Cl. ⁶ , DB name) B66B 5/00 B66B 3/00 H04Q 9/00 311

Claims (2)

(57) [Claims] An elevator control apparatus as claimed in claim 1] that controls the operation of the elevator, and a data collection device to be stored in the memory to collect operation data of the elevator, constantly monitors the operation of the elevator, to detect the abnormal operation An abnormality detection device that outputs an abnormality signal, and a remote diagnosis device for an elevator including a failure diagnosis device that is connected to the data collection device via a communication line, wherein when the abnormality detection device detects an abnormal operation, At least the data of the trajectory of the car and the door for a certain period of time immediately before the occurrence of the abnormal operation
Reading means for reading predetermined operation data of the elevator including the full-opening operation data and safety operation data of the elevator from the memory; and transmitting the operation data read by the reading means together with the abnormality signal to the failure diagnosis device. transmission means for, by processing the operating data transmitted by the transmitting means, elevator, characterized in that it comprises a display means for displaying together with other operation information as operation diagram showing a movement trajectory of the car Remote fault diagnosis device. 2. An elevator for controlling the operation of the elevator.
Collects operation data of the control device and the elevator, and
A data collection device to be stored in the memory and the operation of the elevator
Operation is constantly monitored, abnormal operations are detected, and abnormal signals are output.
Abnormality detection device and the data collection device via a communication line.
Of an elevator equipped with a fault diagnosis device
In the remote failure diagnosis device, the abnormality detected by the abnormality detection device
When an operation is detected, a certain period of time immediately before the occurrence of the abnormal operation
Between the trajectory data of at least the car and the door
The preset data including the fully open operation data and the door open button operation data
The specified elevator operation data is read from the memory.
Reading means for outputting, and the operation data read by the reading means.
Data to the failure diagnosis device together with the abnormal signal.
Transmitting means; and the operation data transmitted by the transmitting means.
An operation diagram showing the movement trajectory of the car
And display means for displaying together with other operation information.
A remote fault diagnosis device for an elevator.