JP3074198B2 - Equipment data management device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data management system for equipment which collectively manages operation data of equipment installed in a building.

[0002]

2. Description of the Related Art Equipment such as elevators and conveyors installed in a building is required to periodically perform maintenance and inspection work at intervals of a predetermined cumulative operation time to maintain a safe operation state. is necessary. Therefore, in order to know the execution time of the maintenance and inspection work, a terminal device which takes in operation data from equipment installed in the building and stores the data is conventionally arranged in the building. This terminal device has measuring devices such as a frequency counter that counts the number of times each equipment device has been started and an integrating time meter that counts the operating time. When the data of these measuring devices reaches a predetermined value, it detects this. Detector and notification device are provided. The terminal device is connected via a communication line to a monitoring center provided at a remote place for centrally monitoring a plurality of terminal devices.

When the data of these measuring devices reaches a preset limit value, the detecting device detects the data and activates the notifying device in response to a detection signal generated by the detecting device. A request signal is sent. When the maintenance request signal is received by the monitoring center, a maintenance and inspection worker is dispatched from the monitoring center to a building where the maintenance is required. For example, replacement of contacts of an electromagnetic contactor of an elevator as equipment, replacement of gear oil, specific parts, Maintenance and inspection work such as inspections.

[0004]

In the above-described conventional system, when a request for maintenance and inspection work is generated, a maintenance request signal is transmitted from the terminal device to the monitoring center. It is not possible to grasp the schedule and schedule maintenance work. For this reason, the number of maintenance and inspection workers who are expected to be necessary based on the performance of the conventional maintenance and inspection work must always be kept in the monitoring center. Also, when equipment becomes old, it is naturally necessary to change the limit value on which the maintenance and inspection request is based.However, conventionally, a maintenance and inspection worker goes to the site and changes the limit value for each equipment and equipment. It was necessary to perform complicated operations for a considerably long time.

The present invention has been made in view of the above-mentioned current state of operation data management, and its purpose is to manage operation data of equipment and change limit values of operation data for judging maintenance inspection requests. An object of the present invention is to provide a data management device for equipment that can be easily performed.

[0006]

The object of the present invention is to provide a terminal device having storage means for storing operation data of equipment installed in a building, and a terminal device connected to a plurality of terminal devices via a communication line. Centrally manage operation data of equipment
In a data management device for equipment including a monitoring center provided at a remote location, setting means for setting a limit value for the operation data, and operation data written in the storage means are acquired via the communication line. Collecting means for comparing the operation data taken by the collecting means with the limit value, the collecting means being provided at the monitoring center;
The setting means of the center limits the operation data.
The setting of the threshold value can be changed.

[0007]

With this configuration, the operation data of the equipment written in the storage means of the terminal device is taken in via the communication line by the collection means of the monitoring center. The necessity of maintenance and inspection work is determined on the side of the monitoring center provided at a remote place by comparing the operating data obtained by the comparing means with the limit value set by the setting means in advance. In this way, the monitoring center performs the maintenance and inspection work based on the necessity of the maintenance and inspection work of the equipment obtained from each terminal device. Also, when the equipment is old,
If the limit value needs to be changed, it is changed by the setting means on the monitoring center side.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention in which the equipment is an elevator will be described below with reference to FIG. FIG. 1 is a block diagram showing the configuration of the embodiment.

The terminal device 1 includes a control power supply 11, an up operation relay contact 12, a down operation relay contact 13, a frequency meter 1
4, an integrating timer 15 and a control communication device 16 are provided, and an up-operation relay contact 12 and a frequency meter 14 are connected in series with each other between terminals of the control power supply 11; The operation relay contacts 13 are connected in parallel. In addition, the up operation relay contact 12 and the frequency meter 1
An integrating time meter 15 is connected between the connection point 4 and the connection point between the control power supply 11 and the frequency meter 14. The output terminal of the frequency meter 14 and the output terminal of the integrating time meter 15 are connected to the control communication device 16. Here, the up-operation relay contact 12 is a contact that is closed by the action of an up-operation relay (not shown) that causes the elevator car to operate up and is opened when the car stops, and the down-operation relay contact 13 is an elevator operation. These contacts are closed by the urging of a down-operation relay (not shown) that causes the car to run down, and opened when the car stops. The frequency meter 14 has a function of counting the number of times the up-operation relay contact 12 and the down-operation relay contact 13 are closed, and storing the count value. In addition, the integration time counter 15
Are the up operation relay contact 12 and the down operation relay contact 1
3 has a function of storing the integrated value of the closing time. The control communication device 16 has a function of reading and outputting the operation data stored in the frequency meter 14 and the integration time meter 15.

The monitoring center 2 is provided with a control communication device 21, a comparator 22, and a setting device 23. The output terminal of the control communication device 21 is connected to the comparator 22, and the output terminal of the comparator 22 is connected to the setting device. 23. The control communication device 16 of the terminal device 1 is connected to the input terminal of the control communication device 21.
Output terminals are connected. Here, the control communication device 21
Is the terminal device 1 via the control communication device 16 and the communication line 3.
It has a function to take in the operation data of the equipment from the server.
The setting device 23 has a function of setting a limit value for the operation data, and the comparator 22 has a function of comparing the operation data fetched from the terminal device 1 with the limit value set by the setting device. In the embodiment having such a configuration, the frequency meter 14 and the integrating time meter 15 correspond to the storage means of the present invention, and the control communication device 21 corresponds to the collecting means of the present invention. Further, the comparator 22 and the setting device 23 correspond to the comparing means and the setting means of the present invention, respectively.

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

When the elevator car is started for uphill operation, an uphill operation relay (not shown) is energized and the uphill operation relay contact 12 is closed. When the car stops, the uphill operation relay contact 12 is opened. Becomes Similarly, when the elevator car is started for the down operation, the down operation relay (not shown) is energized and the down operation relay contact 1 is activated.
When the car 3 is closed and the car stops, the down-operation relay contact 13 is opened. When the elevator is operated in this manner, the frequency meter 14 counts the number of times the up-operation relay contact 12 and the down-operation relay contact 13 are closed, that is, the number of activations, and stores the number as operation data. Further, the integrating time meter 15 integrates the closing times of the up-operation relay contact 12 and the down-operation relay contact 13, that is, the operation time of the car, and stores it as operation data.

On the other hand, in a monitoring center 2 provided at a remote location, a monitoring person periodically or at a predetermined time interval, or a maintenance and inspection worker who has scheduled a maintenance and inspection work is irregular.
The operation data stored in the frequency meter 14 and the integrating time meter 15 are taken into the monitoring center 2. In this case, the control communication device 21 is activated to control the control communication device 2 via the communication line 3.
1 is connected to the control communication device 16 of the terminal device 1, the operation data stored in the frequency meter 14 and the integration time meter 15 are transmitted to the control communication device 16, the communication line 3, and the control communication device 2.
1 to the comparator 22.

A limit value of the operation data set in advance by the setting device 23 is set in the comparator 22. The comparator 22 compares the input operation data with the limit value, and compares the operation value with the limit value. The result is displayed or printed by a display or a printer (not shown). For this reason, the monitoring personnel and maintenance personnel of the monitoring center 2 check the comparison data using a display or a printer, and determine the necessity of the current maintenance and maintenance work and the expected date of the need for the maintenance and maintenance work. You can figure out. Based on this comparison data, the maintenance and inspection worker goes to a building site where an elevator requiring maintenance and inspection work is installed, and exchanges contacts of an electromagnetic contactor, exchanges gear oil, inspects specific parts, and the like. At this time, maintenance and inspection work is not required, but if there is a building with an elevator that is expected to require maintenance and inspection work in the near future, patrol the building at the next maintenance and inspection work. Make a schedule.

A setting device 23 for operating data
Is years from the setting of the previous limits have elapsed by, when changing the limit values become outdated even elevator is required, the monitoring center 2, required by operating the setting device 23 limit
It is possible to carry out the change of the field value.

As described above, in the embodiment, the frequency counter 14 and the integration time counter 15
Is stored in the comparator 22 of the monitoring center 2 and is compared with a limit value set in advance by the setting device 23. Data can be obtained. A maintenance worker waiting at the monitoring center 2 as in the related art does not go to the site in response to a request from the terminal device 1 but instead uses the necessity data obtained as described above for each terminal. The maintenance and inspection work for the elevator of the apparatus 1 can be performed quickly and accurately. In addition, a scheduled schedule is set so that the maintenance and inspection work is efficiently performed, and the maintenance and inspection work for the elevator of each terminal device 1 can be efficiently performed according to the schedule. Furthermore, when the elevator is old and needs to change the limit value set for the operation data, the limit value can be easily changed by operating the setting device 23 of the monitoring center 2 without going to the site.

In the embodiment, the case where the equipment is an elevator has been described. However, the present invention is not limited to the embodiment, and various equipment such as an air conditioner, a man conveyor, a fire alarm, and a water supply are installed. It can be a device.

[0018]

As described above in detail, according to the present invention, the setting means for setting the limit value for the operation data of the equipment and the collecting means for taking in the operation data from the terminal device via the communication line are provided. Since the monitoring center is provided with comparison means for comparing the acquired operation data with the limit value,
The monitoring center can grasp the necessity of the maintenance and inspection work on the equipment at any time, and can quickly and accurately perform the maintenance and inspection work according to the efficient schedule. In addition, since the limit value for the operation data of the equipment can be easily changed from the monitoring center, the number of required maintenance and inspection workers can be reduced, the work time can be shortened, and the entire maintenance and inspection work can be performed at low work cost. Will be possible.

[Brief description of the drawings]

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

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Terminal device 2 Monitoring center 3 Communication line 11 Control power supply 12 Up operation relay contact 13 Down operation relay contact 14 Frequency meter 15 Integration time counter 16 Control communication device 21 Control communication device 22 Comparator 23 Setting device

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroshi Yamazaki 1-6-6 Kandanishikicho, Chiyoda-ku, Tokyo Inside the Hitachi Building System Service Co., Ltd. (72) Inventor Hajime Okamoto 1-6-6 Kandanishikicho, Chiyoda-ku, Tokyo Hitachi Building System Service (56) References JP-A-3-13474 (JP, A) JP-A-63-89992 (JP, A) JP-A-62-164443 (JP, U) JP-A-2-108197 ( JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) G08B 23/00-31/00

Claims (1)

(57) [Claims] 1. A terminal device provided with a storage device into which operation data of equipment installed in a building is written, and connected to a plurality of terminal devices via a communication line to centralize the operation data of the equipment. In a data management system for equipment comprising a monitoring center provided at a remote location for managing the operation data written in the storage means, the setting means for setting a limit value for the operation data, and the communication line And a comparing means for comparing the operation data fetched by the collecting means with the limit value are provided in the monitoring center, and the setting means of the monitoring center
A data management device for equipment, wherein a limit value of the operation data can be changed .