JPH0423189A - Equipment working state monitoring device - Google Patents

Abstract

PURPOSE:To exactly grasp the maintenance time, etc., of equipment by storing automatically a reset date at the time of the resetting of working state integrated quantity. CONSTITUTION:A working state monitoring device 4 is provided with a monitoring part 5 to execute the integrating processing of working time and the number of times of operation at prescribed periods, an integrated value storage part 6, and a reset date control part 8, and detects the working state of working equipment 1 by a working state detector 2, and integrates the working state of the equipment such as the working time and the number of times of the operation, etc. Then, at the time of the maintenance of the equipment, a working state quantity integrated value is reset by a resetting means, the reset date is stored automatically in a process monitor history file 11, and the stored reset date is displayed. Thus, the next maintenance time, etc., can be exactly grasped, and in addition, both the resetting of the working state integrated value and the storage of the reset date can be executed simultaneously, and the work load of an operator can be lightened.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an equipment operating state monitoring device that monitors the operating state of equipment such as water treatment equipment, and particularly relates to an equipment operating state monitoring device that monitors the operating state of equipment such as water treatment equipment. The present invention relates to a device operating state monitoring device that resets an integrated amount of operating state such as the number of times and stores the reset date and time.

[Conventional technology]

Generally, in water treatment plants, it is necessary to monitor the operation time or number of times the equipment is operated in order to manage equipment maintenance periods, etc., and for this purpose, equipment operation status monitoring equipment using a control computer system is used to monitor equipment operation. The time or number of driving times is monitored and the driving time and number of driving times are totaled. The operation method of this computer system is such that the integrated values of operating hours and number of operations are reset by performing reset work at the operator's discretion when necessary, such as when performing equipment maintenance work. In this way, when the operating hours and number of operations are reset, the date and time are entered into a calculator or entered in a ledger, which can be used to determine future maintenance periods, etc. .

[Problem to be solved by the invention]

However, in the above-mentioned conventional equipment operating state monitoring device, when resetting the operating state cumulative amount such as operation time and number of operations, the operator operates a calculator and inputs it or writes it in a ledger. Therefore, there is an unresolved problem that it may be difficult to accurately determine the maintenance period for the equipment due to omissions or errors in inputting the date and time at the time of reset.

In addition, the operation of resetting the cumulative value of the driving time and number of driving times and the recording of the reset date and time must be performed by a cutting operation, and there is also an unresolved problem that these operations are troublesome.

Therefore, this invention was made by focusing on the unresolved problems of the conventional example, and when resetting the operating state cumulative quantity, the reset date and time are automatically stored, and it is possible to grasp the maintenance period etc. for the equipment. The purpose of the present invention is to provide a device that can accurately monitor the operating state of equipment.

[Means to solve the problem]

In order to achieve the above object, an equipment operating state monitoring device according to the present invention includes an operating state detection means for detecting the operating state of the equipment, and an operating state detecting means for detecting the operating state of the equipment. an operating state quantity accumulating means for accumulating an operating state quantity based on the operating state detected by the detection means; a reset means for resetting the operating state quantity accumulating means; and when the operating state quantity accumulating means is reset by the resetting means. , and reset date and time storage means for storing the reset date and time at that time.

[Effect]

In this invention, the operating state of the operating equipment of a plant such as water treatment is detected by the operating state detection means, and based on this, the operating state quantity integrating means integrates the operating state quantities such as the operating time and number of times of operation of the equipment. do. When the operating state quantity integrated value of the operating state quantity integrating means is reset by the reset means during maintenance of the equipment, the reset date and time is automatically stored in the reset date and time storage means in accordance with this, and is stored in the reset date and time storage means. By displaying the reset date and time, you can accurately determine the next maintenance period, etc.
Moreover, both the resetting of the operating state quantity integrated value and the storage of the reset date and time can be performed at the same time, thereby reducing the operator's workload.

〔Example] Embodiments of the present invention will be described below based on the drawings.

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

In the figure, reference numeral 1 denotes various devices such as a drainage pond sludge extraction pump, a sludge pond sludge extraction pump, a return pump, and a thickening tank sludge extraction pump in a water treatment plant, and the operating status of these various devices 1, that is, the discharge flow rate, The number of revolutions, etc. is detected by an operating state detector 2 such as a flow meter or a number of revolutions sensor, and the operating state data output from this operating state detector 2 is input to an operating state monitoring device 4 via a data input/output device 3. be done.

The operating state monitoring device 4 includes a monitoring section 5 that monitors the operating state data inputted from the data input/output device 3 and performs integration processing of operating time and number of operations at a predetermined period, and a monitoring section 5 that performs integration processing of operating time and number of operations at a predetermined period. It includes an integrated value storage section 6 in which integrated values of time and number of driving times are sequentially updated and stored, and a reset date and time management section 8 into which date and time data from an external clock device 7 is input.

The monitoring unit 5 is connected to a CRT display device 9 having an external keyboard 9a, a printer 10, and a process monitoring history file 11, and creates control data for controlling the operating state of the device 1 based on input operating state data. This control data is sent to each device 1 via the data input/output device 3, and the operation history for the device 1 is stored in the process monitoring M history file 11 at a predetermined period.
The cumulative operating time value in the constant cumulative value storage unit 6 and the reset date and time in the reset date and time management unit 8 are read, monitoring data is created based on these, and this is sent to the CRT display device 9.
and display it on the CRT display device 9.
When an all-reset signal or an individual reset signal is input manually from the keyboard 9a, the integrated value of the operating time and number of operations of the corresponding device in the integrated value storage unit 6 is reset to zero, and the integrated value is sent to the reset date and time management unit 8. and sends a start signal.

When the activation signal is input from the monitoring unit 4, the reset date and time management unit 8 reads the current date and time from the clock W7 in response to this, stores this as the reset date and time, and sends reset date and time data to the monitoring unit 4. Then, it is stored in the process monitoring history file 11 via the monitoring unit 4.

Next, the operation of the above embodiment will be explained. In a normal state, operating states such as rotational speed and discharge flow rate of various devices 1 are detected by an operating state detector 2, and the operating state data is inputted to an operating state monitoring device 4 via a data input/output device 3. The operating state monitoring device 4 creates control data for operating the various devices 1 in an appropriate state based on the input operating state data, and sends this to the various devices 1 via the data input/output device 3. The operating state of the various devices 1 is controlled to an appropriate state, and the control history is stored in the process history file 11, while the operating time and number of operations of the various devices 1 are integrated at a predetermined period based on the operating state data. The cumulative values of these operating hours and number of operations are stored in the cumulative value storage unit 6, and the cumulative values of, for example, operating hours and preset maintenance times stored in the cumulative value storage unit 6 corresponding to the various devices 1 are stored. and the reset date and time stored in the reset date and time management unit 8, display data is created and displayed on the CRT.
It is sent to the display device 9, and as shown in FIG.
Item names 12a, total operating time 12b, maintenance time 12c, and previous reset date and time 12d of each type of equipment 1 are displayed.

Therefore, by this display, it is possible to easily judge whether or not the total operating time of the various devices 1 has reached the specified maintenance time, and since the previous reset date and time is displayed, the previous maintenance date and time can be easily determined. can be easily recognized visually.

Then, when the total operating time of the various devices 1 reaches the specified maintenance time, maintenance of the various devices 1 is started, and at this time, the C
When the keyboard 9a of the RT display device 9 is operated to input a reset signal to the corresponding device 1, this signal is input to the monitoring section 5 of the device monitoring device 4, so that
This monitoring section 5 resets the integrated values of the various devices 1 stored in the integrated value storage section 6 to "0" and sends a start signal to the reset date and time management section 8.For this reason, the reset date and time management section At step 8, the current date and time is read from the external clock device 7, updated and stored as the reset date and time, and the reset date and time is stored in the process history file 11 via the monitoring unit 5.

Therefore, new display data is created in the monitoring unit 5,
This is sent to the CRT display device 9, and the reset device! is displayed on the display screen of the CRT display device 9 as shown in FIG. The total operating time of i1 becomes 0%, and the reset date and time are updated and displayed.
The device name reset by the printer 10 and the reset date and time are printed in correspondence.

In addition, although the above embodiment describes the case where the operating state of a water treatment plant is monitored, the invention is not limited to this, and the present invention can also be applied to the case where the operating state of other industrial plants or control equipment is monitored. can be applied.

(Effects of the Invention) As explained above, according to the device operating state monitoring device according to the present invention, when resetting the integrated operating state amount of the operating equipment, by performing a reset operation, the integrated operating state amount can be reset. Since it is possible to automatically store the reset date and time at the same time, there is no need for a separate operation to manage the reset date and time, reducing the burden on the operator and eliminating the possibility of forgetting to input the reset date and time. The effect of being able to memorize the accurate reset date and time without erroneous input can be obtained.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing an example of display on a CRT display device. In the figure, 1 is the equipment, 2 is the operating state detector, 3 is the data input/output device, 4 is the operating state monitoring device, 5 is the monitoring section, 6 is the integrated value storage section, 7 is the clock device, and 8 is the reset date and time management Part, 9
1 is a CRT display device, 10 is a printer, and 11 is a process monitoring history file.

Claims (1)

[Claims] In an equipment operating state monitoring device that monitors the operating state of equipment, an operating state detection means detects the operating state of the equipment, and an operating state quantity that integrates the operating state quantity based on the operating state detected by the operating state detection means. The present invention includes an integrating means, a resetting means for resetting the operating state quantity integrating means, and a reset date and time storage means for storing the reset date and time when the operating state quantity integrating means is reset by the resetting means. Features: Equipment operating status monitoring device.