JP2618986B2 - Manual valve operation monitoring device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a manual valve operation monitoring device.

(Prior Art) When inspecting a pump used in a water supply system of an industrial plant such as a power plant, it is necessary to disconnect the pump from the system.

For example, in the water supply system shown in FIG. 5, normal water supply is performed through a pipe C1, a manual valve B1, a pipe C2 having a bypass, a pump A1, a pipe C3 having a bypass, a manual valve B2, and a pipe C4. The system is configured.

The bypass lines of the pipes C2 and C3 are communicated with each other via a manual valve B3, a pipe C4, and a manual valve B4.

Normally, the manual valves B1 and B2 are operated in the open state, and the manual valves B3 and B3 are operated.
B4 is operated in the closed state, whereby water flows in the direction indicated by arrow D1.

When checking pump A1 in this system, manual valve B
By operating 1, B2 to the closed state and operating the manual valves B3, B4 to the open state, disconnect the pump A1 from the water supply system,
The water flow is circulated in the direction of the arrow D2 by connecting the front and rear of the pump A1.

In this state, the inspection work of the pump A1 was performed, and after the inspection work was completed, the manual valves B1 and B2 were again opened to operate.
By operating the manual valves B3 and B4 in the closed state, the circulation system of the pump A1 is opened and the pump A1 is connected to the original water supply system.

Now, the operation procedure of the manual valves B1 to B4 during the inspection work of the pump A1 is manually performed by the work manager according to the work process of the work contents while looking at the piping instrumentation diagram GG shown in FIG. 6 (a). Valve B1
It can be obtained by examining the operation sequence of to B4 and the opening and closing operation.

The result of the examination is transcribed to the work instruction sheet (before work) G1 shown in FIG. 3B and the work instruction sheet G2 after work shown in FIG. Is done.

Then, the operator sequentially opens and closes the manual valves B1 to B4 according to the contents of the work instruction (before work) G1 and the work instruction (after work) G2.

By the way, a large number of devices similar to the pump A1 are used in the power plant, and work instructions for performing inspection work are formed for each of these devices. The operator selects a work instruction according to the instruction, and performs the opening / closing operation of the manual valve with reference to the work instruction.

(Problems to be solved by the invention) However, in such a conventional method of operating a manual valve,
The judgment factor by the operator is very large, and there is a possibility that the operation sequence of the manual valve may be incorrect, the operation valve of other work may be operated, and the opening and closing operation of the manual valve may be erroneously performed. Or inconvenience that other workers are at risk.

SUMMARY OF THE INVENTION The present invention has been made to solve the problem of the related art, and an object of the present invention is to provide a manual valve operation monitoring device capable of reliably performing a manual valve operation.

[Means for Solving the Problems] The present invention relates to a manual valve operation content storing means for storing operation procedures and operation contents of a plurality of manual valves, and a manual operation device provided in each manual valve. Manual valve number input means for reading a valve number display, input means for inputting a work type, and a manual valve to be operated next based on the work type and manual valve operation content stored in the input means from the input means And a control means for judging the operation valve number of the above and comparing the result of the judgment with the input operation valve number inputted from the manual valve number input means, and a display means for displaying a processing result of the control means.

(Operation) Therefore, the guidance information of the manual valve operation is sequentially displayed on the display device, and the display moves to the manual valve of the manual valve number displayed before the operation, and reads the manual valve number display provided there. Sometimes it is displayed whether or not the manual valve is the intended one, so that an erroneous operation by the operator is prevented.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a manual valve operation monitoring device according to one embodiment of the present invention.

This manual valve operation monitoring device is composed of a portable, battery-powered terminal device 1, a numeric keypad, and the like.
An input device 2 for inputting a work number and a work type to the display device, a display device 3 composed of a liquid crystal display and the like for displaying various display information from the terminal device 1 to the operator, and
It comprises a bar code reader 4 for reading the bar code mark 2 attached to each manual valve B.

The terminal device 1, the input device 2, and the display device 3 are integrally assembled in the same housing, and the barcode reader 4 is connected to the terminal device 1 via a cable.

A bar code indicating the manual valve number set for each manual valve B is written on the bar code mark 2 and is linked to the handle of the manual valve B using a string or the like.

In the terminal device 1, the work number input means 11 is for inputting work number information PN operated and input from the input device 2, and the work number information PN is stored in the work information storage means.
Stored in 12.

The work type input means 13 is for inputting the work type information PT input from the input device 2, and the work type information PT is stored in the work law storage means 12.

The operation manual valve search means 14 retrieves information of an operation valve to be operated next, based on the stored contents of the work method storage means 12 and the operation content information (described later) stored in the work procedure storage means 15. The search is performed, and the search result is stored in the operation manual valve storage unit 16.

The operation manual valve display means 17 is for displaying the operation valve information stored in the operation manual valve storage means 16 in a specified area (described later) of the display device 3.

The manual valve number input means 18 is for inputting the manual valve number information DD read by the bar code reader 4, and the manual valve number information DD is stored in the manual valve number storage means 19.

The input manual valve number display means 20 is provided with a manual valve number storage means 19.
Is to display the contents of the manual valve number information DD stored in the specified area of the display device 3 (described later).

The manual valve number determination means 21 compares the manual valve number of the operation manual valve information stored in the operation manual valve storage means 16 with the content of the manual valve number information DD stored in the manual valve number storage means 19. The result is output to the determination result display means 22 and the operation completion update means 23.

The determination result display means 22 is for displaying the determination result of the manual valve number determination means 21 in a specified area (described later) of the display device 3.

The operation completion updating unit 23 rewrites a part of the storage contents of the work procedure storage unit 15 based on the determination result of the manual valve number determining unit 21.

An example of the work procedure information stored in the work procedure storage means 15 is shown in FIG.

The work procedure information includes a work number DN for identifying each work, and manual valve operation information VD in which operation information of the manual valve B operated in the work is arranged in the operation order.

Further, the manual valve operation information VD includes “operation order” and “manual valve number” of each manual valve B, “operation method” representing the distinction of the opening / closing operation, and operation completion / incomplete at the start operation. The manual valve information V1, V2,... Comprising “flag 1” and “flag 2” for discriminating the operation completion / incomplete at the time of the end work is arranged, and the final column is provided with the manual valve operation. End information EN indicating the end of information VD
D is located.

Here, the “operation order” is one or more digits of numerical information,
"Manual valve number" is composed of an arbitrary combination of alphanumeric characters and symbols. "Operation method", "Flag 1" and "Flag 2" are binary information having a value of "1" or "0". is there. In the “operation method”, the value “1” indicates “open” at the start operation (that is, “close” at the end operation) and the value “0”.
Represents “closed” at the start operation (ie, “open” at the end operation). In the “flag 1” and the “flag 2”, the value “1” indicates completion and the value “0” indicates incomplete.

Therefore, the work procedure information on the water supply system in FIG. 5 is formed as shown in FIG. 2 (b).

In one work unit, the opening and closing order of the manual valves and the operation contents are reversed between the start work and the end work, so that one work procedure information can be shared between the start work and the end work. .

The contents of “flag 1” and “flag 2” are updated by the operation completion updating unit 23, and are all set to the value “0” before the work is started. The other contents are not changed.

FIG. 3 shows an example of the display contents of the display device 3.

In the figure, the operation number input from the input device 2 is displayed in an arbitrary combination of alphanumeric characters and symbols in a display area R1, and the operation order of the next manual valve B is displayed in a number in a display area R2. In the display area R3, the manual valve number of the manual valve B to be operated next is displayed in any combination of alphanumeric characters and symbols, and in the display area R4, the operation content is displayed as either "open" or "closed". In the display area R5, the work type input from the input device 2 is displayed as either "start" or "end", and in the display area R6, the manual valve B displayed in the display area R3 at the time of start work. That the operation of the manual valve B displayed in the display area R3 at the time of the end work is completed is displayed in the display area R8. Of the bar code mark 5 of the manual valve B obtained from the bar code reader 4 Contents are displayed in any combination of alphanumeric characters and symbols, the display area R9 determination result of the manual valve number determining means 21 is displayed by "OK" / "NG".

In addition, the display contents of the respective display areas R1 to R9 are displayed in the respective display areas R1 to R9.

With the above configuration, the operation of the terminal device 1 will be described with reference to the flowchart of FIG. Note that this flowchart shows the operation of the internal elements of the terminal device 1 in the order in which the overall processing of the terminal device 1 proceeds.

First, when an operator inputs a work number and a work type from the input device 2, work number information PN and work type information PT are input and stored (process 101), and the display device 3
, Display the contents of the work number information PN and the work type information PT, respectively.

The content of the input work type information PT is determined (determination 10
2) When it indicates “start”, from the work procedure information having the same work number DN as the work number information PN, “flag 1” has a value “0” and “operation order” Are searched for the smallest operation valve information V1, V2,... (Process 103). Further, when the result of the judgment 102 is “end”, the “flag 1” has the value “0” and the “operation order” from the work procedure information having the same work number DN as the work number information PN. Search for the maximum operating valve information V1, V2,... (Process 104).

Then, the operation valve information V1, V2,.
・ ・ Retrieve and save the “manual valve number” and “operation method” from among them (Process 105), and display the information corresponding to the “operation method” in the display area R3 with the contents of “manual valve number” Each is displayed in the region R4 (process 106).

Here, “open” is displayed in the display area R4 when the “operation method” is the value “1”, and “closed” is displayed in the display area R4 when the “operation method” is the value “0”. In the case of the end work, the opposite content is displayed.

When the operator who sees the display content of the display area R3 moves to the manual valve B having the designated manual valve number and reads the bar code mark 5 attached thereto with the bar code reader 4, the bar code reader 4 and input and save the manual valve number information DD (process 107, 108).

Then, the “manual valve number” stored in the process 105 is compared with the content of the manual valve number information DD stored in the process 108 (judgment 109), and when they match, “O” is displayed in the display area R9.
K ”(Step 110),“ Done ”is displayed in the display area R6 (at the start work) or the display area R7 (at the end work), and the manual valve information V1, V2,. The "flag 1" (at the start work) or the "flag 2" (at the end work) is updated to the value "1" (process 111).

If it is determined in step 109 that they do not match, “NG” is displayed in the display area R9 (step 112).

When the processes 111 and 112 are completed, it is checked whether or not all the manual valve operations of the work procedure information used at this time have been completed (decision 113). When the result of the decision 113 is NO, the process returns to the decision 102. Then, the process moves to the next manual valve B. When the result of the determination 113 is YES, this processing is ended, and “END” indicating the end is displayed in the display area R2.

Here, in the judgment 113, in the start work, the result is YES when the end information END comes out, and in the end work, the result is obtained when the “operation order” is next to “1”. YES.

The process 101 corresponds to the functions of the work number input means 11, the work information storage means 12, and the work type input means 13, and
Steps 102 and 113 and steps 103 and 104 correspond to the function of the operation manual valve search means 14, step 105 corresponds to the function of the operation manual valve storage means 16, step 106 corresponds to the function of the operation manual valve display means 17, and step 107 It corresponds to the function of the manual valve number input means 18,
Step 108 corresponds to the function of the manual valve number storage means 19, and
09 corresponds to the function of the manual valve number determining means 21, steps 110 and 112 correspond to the function of the determination result displaying means 22, and step 111 corresponds to the function of the operation completion updating means 23.

Therefore, when the operator inputs a work number and a work type using the input device 2, the display area of the display device 3 is displayed.
The work number is displayed in R1, the work type is displayed in the display area R5, the manual valve number to be operated first is displayed in the display area R3, and the operation content is displayed in the display area R4.

The operator who sees each display on the display device 3 moves to the manual valve B having the designated manual valve number, and causes the barcode reader 4 to read the barcode mark 5 attached thereto.

Thereby, the content of the barcode mark 5 read at that time is displayed in the display area R8 of the display device 3, and
If the manual valve B selected by the operator is appropriate, "OK" is displayed in the display area R9, and if inappropriate, "NG" is displayed in the display area R9.

Therefore, when the operator confirms that the manual valve B selected by himself is correct by displaying "OK" in the display area R9, he operates the manual valve B as instructed in the display area R4. I do.

When “OK” is displayed in the display area R9, “Done” is displayed in the display area R6, and further, the display areas R2, R
The display contents of 3, R4 are updated corresponding to the manual valve B to be operated next. When a series of work is completed, "END" indicating that fact is displayed in the display area R2, so that the end of the work can be confirmed.

In this way, in this embodiment, the information of the manual valve B to be operated next is sequentially displayed on the display device 3, so that the burden on the operator during the operation can be reduced. In addition, since the suitability of the manual valve B selected by the operator is displayed, the malfunction of the operator can be prevented.

By the way, in the above-described embodiment, the manual valve number input means for inputting the manual valve number of the manual valve using the bar code mark and the bar code reader is configured. A configuration may be used.

Alternatively, the work procedure information may be stored in a storage medium such as a memory card or an IC card, and the necessary work procedure information may be read from the storage medium.

[Effects of the Invention] As described above, according to the present invention, manual valve operation content storage means for storing operation procedures and operation contents of a plurality of manual valves, and a manual valve provided for each manual valve A manual valve number input means for reading a number display, an input means for inputting a work type, and a manual valve to be operated next on the basis of the work type and manual valve operation content storage means inputted from the input means. A control means for judging the operation valve number and comparing the result of the judgment with the input operation valve number input from the manual valve number input means, and a display means for displaying the processing result of the control means; The manual valve operation guidance information is sequentially displayed on the screen, and the display moves to the manual valve number of the manual valve number displayed before the operation, and when the manual valve number display provided there is read, the manual It will tell you if the valve is what you want,
This has the advantage that the burden on the operator is reduced and that the operator is prevented from performing erroneous operations.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a manual valve operation monitoring device according to an embodiment of the present invention, FIG. 2 (a) is a schematic diagram illustrating the format of work procedure information, and FIG. FIG. 3 is a schematic diagram illustrating an example of display contents of a display device, FIG. 4 is a flowchart illustrating a processing example of a terminal device, FIG. 5 is a schematic diagram illustrating an example of a water supply system, FIG. FIG. 1A is a schematic view showing an example of a piping instrumentation diagram, and FIG.
Is a schematic diagram showing an example of a work instruction (before work), and FIG. 4C is a schematic diagram showing an example of a work instruction (after work). DESCRIPTION OF SYMBOLS 1 ... Terminal device, 2 ... Input device, 3 ... Display device, 4
…… Bar code reader, 5 …… Bar code mark.

Claims (1)

(57) [Claims] 1. A manual valve operation content storing means for storing operation procedures and operation contents of a plurality of manual valves, a manual valve number input means for reading a manual valve number display provided for each manual valve, and an operation. An input means for inputting a type, and an operation valve number of a next manual valve to be operated is determined based on a work type input from the input means and storage contents of the manual valve operation content storage means, and the manual valve number is determined. A manual valve operation monitoring device, comprising: a control unit for comparing an input operation valve number input from an input unit with a determination result; and a display unit for displaying a processing result of the control unit.