JPS62261925A - Monitoring device for piping system - Google Patents

Abstract

PURPOSE:To facilitate the confirmation of the flow rate state of fluid, etc., by dividing a piping system diagram on a CRT display device into small blocks and displaying whether or not the fluid flows, block by block, by colors. CONSTITUTION:Values of respective detectors of a piping system are read and when the flow rate on some detector is larger than a specific value, the block of the detector in the piping system diagram is colored. The method of coloring is to turn on a color light emitting diode under computer control. Thus, the piping system diagram is colored by small blocks corresponding to the detectors when there is a flow rate larger than the specific value, so if a detector gets out of order, the small block of the detector 6 in the piping system diagram is not colored and the state wherein the fluid flows discontinuously is displayed on the screen 5 of the CRT display device eventually, so the fault of the detector 6 is judged and a message indicating the actual fault of the detector and detector number is outputted.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a piping system monitoring device that monitors the flow rate status of cooling water piping, etc. of a power plant using a CRT display.

[Conventional technology]

FIG. 3 is a front view showing the screen of a CRT display in a conventional piping system monitoring device.

This is a diagram showing a cooling piping system diagram of a power generation plant. In the figure, 1 is a storage tank for fluid such as cooling water;
2 is a pump for pumping fluid, 3 is a valve, 4 is a cooler, 5 is a CRT display screen, and 6 is a flow meter. A screen is prepared for each system.

Additionally, the flow rate and pressure are displayed near the system diagram on the screen.

Next, the operation will be explained. First, the operator selects one of several piping system diagrams on the screen.

Display on CRT display. When the pump is started in accordance with an instruction from the power plant central control panel in such a state, the color of pump 2 in the piping system diagram changes to notify the operator that the actual pump has started. Similarly.

The valves are also operated according to instructions from the power plant central control panel, and the operator is notified of the same movement as the actual valve by the discoloration of valve 3 in the piping system diagram. Further, the pipe flow rate at this time is displayed numerically near the flow meter 6.

[Problem that the invention seeks to solve]

Since the conventional piping system monitoring device for cooling piping systems is configured as described above, it is possible to see at a glance whether the pump 2 is started or stopped, or whether the valve 3 is open or closed. Even though there is an operating input, valve 3 may not actually open sufficiently, resulting in no flow, etc. In this case, check the value near flow meter 6. Until then, there were problems such as difficulty in confirming whether or not the valve 3 was actually open.◇This invention was made to solve the above problems, and By converting the piping system diagram shown in the diagram into small blocks and assigning a color to each block, it is possible to visually confirm the presence of flow rate and pressure, as well as to check the presence of flow rate detectors and pressure detectors. The purpose of this invention is to obtain a piping system monitoring device that can detect equipment failures.

[Means for solving problems]

The piping system monitoring device according to the present invention divides the piping system diagram displayed on the CRT display into small blocks each including at least one detector, and when a predetermined flow rate, pressure, etc. are obtained in the piping system detector, The piping system diagram of the small block corresponding to this detector is displayed in color to make it easier to understand and notify the operator of the overall status of the small block.

[Effect]

The piping system detector in this invention detects fluid flow rate, pressure, etc., and if the detected value is zero or small, the entire small block on the piping system diagram corresponding to this detector is displayed in color. On the other hand, when a predetermined detected value is obtained, the entire small block is displayed in color. Therefore, even if there is an abnormality in the flow rate or pressure of any of multiple small blocks, the abnormality will be clearly notified to the operator for each small block and each detector, without having to read the detection value of each detector. Close.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. 1st
In the figure, A, B, and C are small blocks obtained by dividing a conventional piping system diagram around each detector 6, and other components that are the same as those shown in FIG. 3 are given the same symbols. It is.

Next, the operation will be explained. First, the value of each detector in the actual piping system is read, and if the respective flow rate is equal to or higher than a predetermined value, the block on the piping system diagram in which the detector exists is colored. This coloring is achieved by lighting color light emitting diodes or excitation of other color light emitting means under computer control or the like. In this way, the piping system diagram for each small block corresponding to the detector is colored when a flow rate exists, so if a detector is malfunctioning, the corresponding detector 6 on the piping system diagram is colored. , the piping system diagram of the mini-pack is not colored in one color, and as a result, a discontinuous flow of fluid is displayed on the screen 5 of the CRT display. In this way, if the colors indicating the presence of flow on the piping system diagram become discontinuous, it is determined that this detector 6 is malfunctioning, and a message indicating the actual detector malfunction and the detector number is sent. Output. For example, if it is clear from the display value displayed near the detector 6 of the small block A in Figure 1 that a flow rate exists, the detector corresponding to the small block AK in the search data file shown in Figure 2 is determined as %. Set data in s7. Also.

The determination result for each block is set in a8 of adjacent block determination. Further, small blocks B, C, and so on are performed in the same manner. On the other hand, the calculator periodically searches for data in columns 7 and 8 above, and if data is set (data is set in a small block), the color of the piping system diagram corresponding to that small block is changed. change. Similarly, the lower part of the small block flt is executed. Also, only for small blocks where data is set in 7 near detector 6, judgment @8
Check whether data is set in .

If there is a small block for which data has not been set, that small block in the piping system diagram on the CRT display is not colored, and is discontinuous with respect to other colored small blocks. As a result, it is determined which of the small block's detectors is faulty, and the detector corresponding to the small block is determined based on the data file for outputting the detector failure message corresponding to the small block shown in FIG. 2(b). Find the detector number.

This is displayed on a CRT display device.

In the above example, the case where a flow meter is used as the detector was explained, but the same can be done when a pressure gauge is used, and the speed of confirmation of what is displayed numerically on the piping system diagram on the CRT display is It has the effect of increasing

〔Effect of the invention〕

As described above, according to the present invention, the piping system diagram on the CRT display is divided into small blocks, and the color indicates whether or not fluid is flowing in each small block. In addition to making it easy to check the flow rate status of the pump, it also makes it possible to immediately detect abnormalities such as pump idling. Also.

Using a computer, it is possible to check whether the fluid flow is continuously connected to the small block next to it.
This has the effect of being able to quickly find a malfunction in each detector itself and notify the operator, thereby preventing accidents.

[Brief explanation of drawings]

Fig. 1 is a block connection diagram of a piping system monitoring device according to an embodiment of the present invention, Fig. 2 is an explanatory diagram of a data file for searching and a data file for outputting a detector failure message, and Fig. 3 is a diagram of a conventional piping system monitoring device. It is a block connection diagram of a piping monitoring device. 1 is a tank, 2 is a pump, 3 is a valve, 5 is a CRT display screen, 6 is a detector, and A, B, and C are small blocks. In Figure 1, the same reference numerals indicate the same or equivalent parts. Patent applicant Mitsubishi Electric Corporation 1'--Co1 Figure 2 7: #Execution place

Claims (1)

[Claims] A piping system equipped with a detector to detect flow rate, pressure, etc.
In a piping monitoring device that displays a piping system diagram on the RT display and monitors the status of fluid passing through each pipe in the piping system, the piping system diagram is displayed in a small block including at least one detector. A piping system characterized in that when a predetermined flow rate, pressure, etc. are obtained in a detector of the piping system, the piping system diagram of the small block corresponding to the detector is displayed in color. Monitoring equipment.