JP2839429B2 - Elevator 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 monitoring apparatus for storing (writing) information for monitoring an elevator in a hard disk drive and reading the information.

[0002]

2. Description of the Related Art In recent years, a display on a monitoring panel has been
RT is being used. This is disclosed in JP-A-62-105881 and JP-A-63-25288.
In general, the system is configured by a system as disclosed in Japanese Patent Application Laid-Open No. 8-108.

On the other hand, it has been considered to use an elevator monitoring device using a personal computer for reasons such as low cost. In the case of an elevator monitoring device using a personal computer, a monitoring program is stored in a hard disk device, and when the device is started, the program is read out to the RAM of the personal computer and the CPU performs calculations. It has been launched. The hard disk device stores data such as a failure history and an elevator operation record in addition to the monitoring program.

[0004]

In the conventional elevator monitoring apparatus as described above, if the power of the personal computer is cut off due to a power failure while writing some data to the hard disk drive, the monitoring for the inside of the hard disk drive is performed. There was a problem that programs and data were destroyed. In order to solve this problem, a system that backs up the power in the event of a power failure by using an uninterruptible power supply (battery) has been considered. However, there is a problem that the battery is consumed by a long-time power failure. . In addition, the power supply is cut off during the inspection of the uninterruptible power supply, so that the problem has not been sufficiently solved.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and it is an object of the present invention to stop access to a hard disk drive before power is turned off, thereby preventing data and programs in the hard disk drive from being destroyed. It is an object of the present invention to obtain an elevator monitoring device capable of performing the following.

[0006]

An elevator monitoring apparatus according to a first aspect of the present invention controls an elevator.
Elevator status information from the elevator controller
Information for monitoring the elevator based on the
When the hard disk drive and uninterruptible power supply are operating
Issue an access stop command when the
Hard disk access judgment means
Even if there is a disk access request, the access
Access the hard disk drive if
Hard disk access means for stopping
It is a thing.

An elevator monitoring apparatus according to a second aspect of the present invention provides an elevator control for controlling an elevator.
Based on the status information of the elevator from the device.
A hard disk that stores information for monitoring the elevator
Measure the operating time of the disk unit and uninterruptible power supply
An uninterruptible power supply operable time measuring means, and the uninterruptible power supply
When the operation time of the power supply reaches the
Hard disk access judgment that outputs access stop command
Means, even if there is a hard disk access request,
If an access stop command has been issued, the hard disk
The hard disk drive whose access to the
Access means.

[0008]

[0009]

In the elevator monitoring apparatus according to the first aspect of the present invention, information for monitoring the elevator based on the elevator status information from the elevator control apparatus for controlling the elevator is stored by the hard disk device. You. In addition, hard disk access
By Seth decision means, the operating time of the uninterruptible power supply稼
When the operable time has been reached, an access stop command is output. Then, even if there is a hard disk access request, access to the hard disk device is stopped by the hard disk access means if the access stop instruction is issued.

In the elevator monitoring apparatus according to a second aspect of the present invention, information for monitoring the elevator based on the elevator status information from the elevator control apparatus for controlling the elevator is stored by the hard disk device. You. Also, uninterruptible power supply
Operation of uninterruptible power supply by means of operable time measurement
Possible time is measured. Further , when the operating time of the uninterruptible power supply reaches the operable time, the access stop command is output by the hard disk access determining means. Then, even if there is a hard disk access request, access to the hard disk device is stopped by the hard disk access means if the access stop instruction is issued.

[0011]

[0012]

【Example】

Embodiment 1 FIG. The configuration of the first embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows Embodiment 1 of the present invention.
FIG. 3 is a block diagram showing a configuration including the software of FIG. FIG. 2 is a block diagram showing hardware when the first embodiment of the present invention is configured by a personal computer.

In FIG. 1, 11 is installed in a machine room,
Elevator control device for controlling elevator, 12
Is an elevator state input means for inputting an elevator state, 13 is an elevator operation control command output means, 14
Is a display device, 15 is a display means, and 16 is an elevator state recording means for recording the elevator state inputted from the elevator state input means 12.

Reference numeral 17 denotes operation control information recording means for inputting and recording operation control information from an input means 18 for inputting information of an input device 19. The operation control information output means 13 outputs the operation control information to the elevator control device 11 to control the operation of the elevator.

Further, reference numeral 20 denotes a hard disk drive, 21
Is a hard disk access means, 22 is a hard disk access stop determination means, 23 is an uninterruptible power supply operable time measuring means, 24 is an operating time measuring means, 25 is an uninterruptible power supply power switch detection means, and 26 is a backup power supply. It is a power failure power supply (battery).

In the first embodiment, the hard disk access determining means according to the second and third aspects of the present invention comprises a hard disk access stop determining means 22, an operating time measuring means 24 and an uninterruptible power supply power supply switching detecting means 25. Is done.

The display means 15 includes an elevator state input means 12, an elevator state recording means 16 and an input means 18.
Is displayed on the display device 14. When the elevator state recording means 16 or the operation control information recording means 17 wants to access the hard disk device 20, it issues an access request to the hard disk access means 21. Then, the hard disk access unit 21 accesses the hard disk device 20.

However, when a hard disk access stop command is output from the hard disk access stop determination means 22, access to the hard disk device 20 is stopped. The hard disk access stop determination means 22 is provided when the input means 18 for inputting information of the input device 19 receives an input to stop access, or when the uninterruptible power supply 2
The operation time from the operation time measurement means 24 for measuring the operation time after the power is switched by the input from the uninterruptible power supply power supply change detection means 25 for detecting the power supply change at the time of power failure of 6 is preset. When the fixed operable time comes, or when the above-mentioned operation time comes to the operable time from the uninterruptible power supply operable time measuring means 23 for measuring the operable time of the uninterruptible power supply 26, A hard disk access stop command is output to the device 20.

FIG. 2 shows the configuration of a general personal computer. In FIG. 2, reference numeral 40 denotes a keyboard corresponding to the input device 19 shown in FIG. 1, 41 denotes a CPU serving as a central processing unit, and 42 denotes a power supply. ROM in which a boot program running at the time of startup is stored; 43, a keyboard interface for inputting data of a keyboard 40; 44, an elevator control device 11 installed in an elevator machine room
For example, a serial interface (SIO) 45 for performing communication with the outside, such as an I / O (IO) for an external device.

Reference numeral 46 denotes an RA functioning as a main storage device.
M and 47 are CRT controllers, 48 is graphic V
RAM, 49 is a hard disk interface, 50
Is a floppy disk, and 51 is the display device 14 shown in FIG.
CRT 52, a hard disk corresponding to the hard disk device 20 shown in FIG. 1, and 53 a floppy disk.

The display on the CRT 51 is performed by the CRT controller 47 processing data set in the graphic VRAM 48. Access to the hard disk 52 is performed via the hard disk interface 49. The access to the floppy disk 53 is also performed through the floppy disk interface 50 in the same manner as the hard disk.

Next, the operation of the first embodiment of the present invention will be described with reference to FIGS. 3, 4, and 5. FIG.
4 is a flowchart illustrating an operation of the hard disk access unit 21 according to the first embodiment of the present invention. FIG. 4 shows a hard disk access stop determination unit 2 according to the first embodiment of the present invention.
2 is a flowchart showing the operation of the operating time measuring means 24 and the uninterruptible power supply power supply switching detecting means 25. FIG. 5 is a flowchart illustrating the operation of the uninterruptible power supply operable time measuring unit 23 according to the first embodiment of the present invention.

The status data of the elevator is stored in a RAM 46 via a serial interface (SIO) 44. The stored data is calculated by the CPU 41 and set in the graphic VRAM 48. And
The CRT controller 47 performs processing, and the state of the elevator is displayed on the CRT 51.

The data input to the keyboard 40 is also transmitted to the RAM 46 via the keyboard interface 43.
Is stored. Then, the operation is performed by the CPU 41 to create the elevator operation control command data. The data is output to the elevator control device 11 via the serial interface 44. On the other hand, when the data on the RAM 46 is stored in the hard disk 52,
When reading the contents of No. 2, the CPU 41 performs calculations and performs the respective processes via the hard disk interface 49.

Hard disk access means 2 shown in FIG.
1 executes processing for accessing the hard disk device 20.

In step 1 of FIG. 3, it is determined whether or not there is a request for access to the hard disk device 20 from the elevator status recording means 16 or the operation control information recording means 17 or the like. .
If there is an access request, the process proceeds to the next step 2.

In step 2, it is determined whether a hard disk access stop command has been input from the hard disk access stop determination means 22. If the hard disk access stop command has not been input, step 3
Performs hard disk access processing. If the hard disk access stop command has been input, the process ends.

In step 31 of FIG. 4, it is determined whether or not a hard disk access stop key has been input from the input device 19 such as the keyboard 40. If the stop key has been input, a hard disk access stop command is output in step 35. If the stop key is not input, the process proceeds to the next step 32.

In step 32, it is determined whether or not the power of the uninterruptible power supply (backup power supply) 26 has been switched. If the power has not been switched, this processing is terminated. If the power has been switched, go to the next step 3
In 3, the time during which the backup power supply is used is counted, and the operation time of the backup power supply is calculated.

In step 34, it is determined whether or not the operation time of the backup power supply has reached the operable time.
If the operable time has come, the process proceeds to step 35, where a hard disk access stop command is output. If the operable time has not been reached, this processing is terminated.

The uninterruptible power supply operable time measuring means 23 shown in FIG. 5 executes the process of setting the operable time in step 34 shown in FIG.

In step 61 of FIG. 5, it is determined whether the uninterruptible power supply (backup power supply) 26 is operating. If the backup power supply is operating, the process proceeds to step 65. If the backup power supply is not operating, the process proceeds to the next step 62.

In step 62, it is determined whether or not the backup power supply is charging.
The process proceeds to 3, and if the battery is not being charged, the process ends.

In steps 63 to 64, the charging time is counted, and the charging time of the backup power supply is calculated.
Then, the operable time of the backup power supply is calculated.
That is, current operable time = previous operable time +
(Charge time × constant) is calculated (this constant takes various values depending on the uninterruptible power supply 26 used).

In steps 65 to 66, the operation time of the backup power supply is counted, and the operation time of the backup power supply is calculated. Then, the operable time of the backup power supply is calculated. That is, current operable time = previous operable time− (operating time × constant) is calculated (this constant takes various values depending on the uninterruptible power supply 26 used).

In the first embodiment of the present invention, as described above, the input means 18 for inputting information of the input device 19 such as the keyboard 40, and the access to the hard disk device 20 is determined based on the input, and the hard disk access is determined. The system includes a hard disk access stop determination unit 22 that outputs a stop instruction, and a hard disk access unit 21 that stops access to the hard disk device 20 according to the hard disk access stop instruction. Access to the hard disk device 20 can be stopped by an input from the input device 19, and the uninterruptible power supply 2
6, the program and data on the hard disk device 20 can be prevented from being destroyed even at the time of inspection.

An uninterruptible power supply switching detection means 25 for detecting the switching of the uninterruptible power supply (backup power supply) 26, and an operation time for measuring the operation time of the backup power supply after the power failure of the building by this signal. A measuring unit 24; a hard disk access stop determining unit 22 for outputting an access stop instruction to the hard disk device 20 when the operating time becomes equal to or longer than a predetermined operable time; A hard disk access unit 21 for canceling access to the hard disk. When a predetermined time has elapsed after the power supply of the uninterruptible power supply 26 is switched, the access to the hard disk drive 20 is automatically stopped, so that the program and data on the hard disk drive 20 can be prevented from being destroyed.

Further, there is provided an uninterruptible power supply operable time measuring means 23 for measuring an operable time after a power failure of the uninterruptible power supply (backup power supply) 26, the operable time and the operating time measuring means. When the access to the hard disk drive 20 is to be stopped based on the operation time from 24, and when the access to the hard disk drive 20 is to be stopped, the hard disk access stop determination means 22 which outputs a hard disk access stop command, and the hard disk access stop The apparatus includes a hard disk access unit 21 for canceling access to the hard disk device 20 according to a command. When the operable time of the uninterruptible power supply 26 exceeds the operable time of the uninterruptible power supply 26, access to the hard disk device 20 is automatically stopped, and the uninterruptible power supply 26 is frequently switched. Even in this case, there is an effect that the destruction of programs and data on the hard disk device 20 can be prevented.

[0039]

As described above, the elevator monitoring device according to the first aspect of the present invention provides information for monitoring the elevator based on the elevator status information from the elevator control device for controlling the elevator. Hard disk drive to store and uninterruptible power supply
When the operating time reaches the operable time, the access stop
A hard disk access judging means for outputting a decree, even if a hard disk access request, so the when the access halt command is out and a hard disk access unit to stop access to the hard disk unit, uninterruptible Predetermined from power supply switching
When the time has elapsed, the hard disk drive is automatically
The effect is obtained that the access is stopped and the destruction of programs and data on the hard disk device can be prevented.

As described above, the elevator monitoring device according to the second aspect of the present invention stores information for monitoring the elevator based on the elevator status information from the elevator control device for controlling the elevator. Hard disk drive and uninterruptible power supply
Uninterruptible power supply that measures the operable time
Means, a hard disk access judging means for outputting the access halt command when the operating time of the uninterruptible power supply has reached the uptime, even if a hard disk access request, wherein if the access halt command is out because and a hard disk access unit to stop access to the hard disk drive, non-stop at
Uninterruptible power supply can be operated from power supply switching
To the hard disk drive automatically when the
Access to the UPS is interrupted, and the uninterruptible power supply
Even when the operation is frequently performed, it is possible to prevent the destruction of programs and data on the hard disk device.

[0041]

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration including software according to a first embodiment of the present invention.

FIG. 2 is a block diagram illustrating hardware when the first embodiment of the present invention is configured by a personal computer.

FIG. 3 is a flowchart illustrating an operation of a hard disk access unit according to the first embodiment of the present invention.

FIG. 4 is a flowchart illustrating operations of a hard disk access stop determination unit, an operation time measurement unit, and an uninterruptible power supply power switch detection unit according to the first embodiment of the present invention.

FIG. 5 is a flowchart illustrating an operation of an uninterruptible power supply device operable time measuring unit according to the first embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Elevator control device 14 Display device 19 Input device 20 Hard disk device 21 Hard disk access means 22 Hard disk access stop determination means 23 Uninterruptible power supply operable time measuring means 24 Operating time measuring means 25 Uninterruptible power supply power switch detection means 26 Uninterruptible power supply Power supply

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B66B 3/00 B66B 5/02 G11B 19/10 501

Claims (2)

(57) [Claims] 1. A hard disk drive for storing information for monitoring the elevator based on status information of the elevator from an elevator control device for controlling the elevator, and an operation time of an uninterruptible power supply is operable.
Hardware that outputs an access stop command when the time reaches
Elevator monitoring, comprising: disk access determination means; and hard disk access means for stopping access to the hard disk device when the access stop command is issued even when a hard disk access request is issued. apparatus. 2. A hard disk drive for storing information for monitoring the elevator based on status information of the elevator from an elevator control device for controlling the elevator, and measuring an operable time of the uninterruptible power supply.
And uninterruptible power supply uptime measuring means, a hard disk access judging means for outputting the access halt command when the operating time of the uninterruptible power supply has reached the uptime, even if a hard disk access request,
A hard disk access unit for stopping access to the hard disk device when the access stop command is issued, the elevator monitoring device.