JPH07210241A - Remote monitor device for operation of equipment - Google Patents

Abstract

PURPOSE:To prevent the occurrence of misoperations by checking systematically the human errors or the operating procedure errors of equipments. CONSTITUTION:A CPU 1 prepared in a central control room CC possesses a function to display an operation system diagram M of equipments (valves) on a CRT 4, a function to set an operation pattern and a function to monitor each operating state. Meanwhile a function that receives the operation pattern set by the CPU 1 and transmitted by radio and shows it on a screen is provided on a portable terminal equipment 6 containing a code reader 8 which reads the codes attached to the equipments. Furthermore the equipment 6 has a function to check whether the operating subject equipment is correct or not based on the read code, and a function to send this checking result to the CPU 1 by radio. Thus the operations of equipments are checked by the transfer of information between the CPU 1 and the equipment 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention, when operating a plurality of devices such as valves installed in a power plant in accordance with predetermined operating rules, controls the local and central control where the devices are installed. The present invention relates to a device operation remote monitoring device used to grasp the operation status of an operation target device in each room.

[0002]

2. Description of the Related Art Conventionally, generally, an operation pattern including operation procedures for a plurality of devices and operation contents of each device is set in a central control room, and an operation form (format) corresponding to the set operation pattern is set. ) Is created, and the operator in the field brings the created operation sheet, and while watching and checking it, the predetermined operation for a plurality of devices is in progress according to the set operation pattern. .

[0003]

However, in the case of the conventional operation method as described above, since the operation for a plurality of devices depends only on the site worker, the operation rules are followed in the central control room. Even if an accurate operation pattern is set, there is a problem that an erroneous operation due to a human operation error or an operation procedure error cannot be avoided.

The present invention has been made in view of the above-mentioned circumstances, and systematically checks for human error in operation of a plurality of devices or error in operation procedure to prevent occurrence of erroneous operation. It is an object of the present invention to provide a remote monitoring device capable of operating equipment.

[0005]

In order to achieve the above object, a device operation remote monitoring device according to the present invention is installed in a central control room and has a function of displaying an operation system diagram of a plurality of devices on a screen and its display. The function to set the operation pattern such as the operation procedure for the above multiple devices based on the set operation system diagram, the function to send the operation pattern such as the set operation procedure, and the function to switch to the mode to monitor the operation status. A central control unit having the above and a code reader for reading codes attached to the plurality of devices are attached, and a function of receiving an operation pattern such as an operation procedure set by the central control unit and displaying it on the screen, A mobile phone that has a function of verifying whether or not the operation target device is correct based on the code read by the code reader and a function of transmitting the verification result. Type terminal device, and between the central control device and the portable terminal device, the operation pattern set and transmitted on the central control device side is transmitted to the portable terminal device side, and the portable terminal device is also transmitted. A wireless transmission / reception device for transmitting the above collation result on the device side to the central control device side.

In the device operation remote monitoring device having the above-mentioned configuration, as in claim 2, a printer for issuing an operation vote corresponding to an operation pattern such as a set operation procedure may be attached to the central control device side. preferable.

Further, in the device operation remote monitoring apparatus having the above-mentioned structure, as in claim 3, the portable terminals are set as two sets, and the two portable terminals are transmitted from the central control unit. It is preferable that the same operation pattern is received and displayed on the screen.

Further, in the equipment operation remote monitoring device having the above-mentioned configuration, when the collation result on the portable terminal side does not match with each of the portable terminal and the central control device, as in claim 4. It is desirable to provide an alarm transmitting means for transmitting an alarm. Further, when the central control unit is in the operation status monitoring mode as described in claim 5, the operation displayed on the central control unit side is displayed. It is more preferable that a portion corresponding to a plurality of devices in the system diagram be provided with a display unit that displays differently according to the operation status.

[0009]

According to the present invention, when the equipment of a certain system needs to be commissioned for repair or the like, first, the central control unit installed in the central control room is used to exist in the system. The operation system diagram of the plurality of devices to be displayed is displayed on the screen, and the operation pattern such as the operation procedure for the plurality of devices is set based on the operation system diagram. Then, the set operation pattern is transmitted and transmitted to the portable terminal device via the wireless transmission / reception device. Thereafter, the central control unit is switched to a mode for monitoring the operating status. On the other hand, on the side of the mobile terminal device that has received the setting operation pattern transmitted via the wireless transmission / reception device, the received operation pattern is displayed on the screen. The site worker sequentially operates the operation target device according to the operation pattern displayed on the screen, and at this time, the code reader attached to the portable terminal makes the code attached to the operation target device read. , And whether or not the read code and the device to be operated match and confirm, and at the same time, the matching result is sent out and transmitted to the central control unit side in the monitoring mode via the wireless transmission / reception device and transmitted to the central control unit. Check the operation status in the control room as well. In this way, by confirming and checking whether all of the multiple operation target devices are operated according to the operation patterns set above both in the field and in the main control room, it is possible to confirm human operation errors and operation procedures. It is possible to accurately and efficiently proceed with operations on a plurality of devices while preventing errors in advance.

Further, in the case where operation sheets corresponding to the operation patterns such as the operation procedure set in the central control room are simultaneously issued through the printer, it is possible to promptly report the operation to the responsible person and accept the approval. It is also possible to save the operation record.

Further, as a portable terminal device, two units are set as one set, and the same operation pattern transmitted to the two portable terminal units is received and displayed on the screen, so that the next operation device is operated. It is possible to double check the operation pattern so that there are no mistakes, and it is possible to reliably prevent erroneous operations.

Further, when the above collation results on the portable terminal side do not match, an alarm is issued in each of the portable terminal and the central control unit to ensure the occurrence of the operation abnormality. It can detect and take appropriate action against it quickly. Furthermore, when the central control unit is in the operation status monitoring mode, for example, lighting or extinguishing is performed at a position corresponding to a plurality of devices in the operation system diagram displayed on the screen of the central control unit according to the operation status. By performing different displays such as blinking and changing colors, it is possible for the supervisor in the main control room to understand the operation status of the site at a glance.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 and 2 are system configuration diagrams showing a device operation remote monitoring apparatus according to an embodiment of the present invention when applied to a power plant, and FIG. 2 is a schematic device configuration diagram of the device operation remote monitoring apparatus.

In FIGS. 1 and 2, reference numeral 1 denotes a CPU as a central control unit installed in a central control room CC, which registers various data such as a plurality of work system lists and operation system diagrams so that they can be selectively read out. In addition to the HDD 2, the memory 3 for storing operation patterns described later, the CRT 4, and the like, the printer 5 for issuing the operation slips described later is attached. The CPU 1 has a function of displaying an operation system diagram of a plurality of devices in a system read from the HDD 2 on the CRT 4, and an operation procedure and an operation for a plurality of devices based on the displayed operation system diagram. It has a function of setting an operation pattern such as contents, storing and sending the set operation pattern in the memory 3 and a function of switching to a monitoring mode for monitoring the operation status, and further the set operation pattern. The printer 5 issues an operation slip corresponding to the above.

Reference numeral 6 denotes a portable terminal device that can be carried outside the central control room CC, that is, at a work site or the like, and two mobile terminals are set as one set. These portable terminals 6 and 6 are provided with liquid crystal screens 6a and 6a, respectively, and code readers 8 and 8 for reading codes such as bar codes attached to the wireless units 7 and 7 and the plurality of devices. The function of receiving an operation pattern such as an operation procedure set by the CPU 1 and displaying the operation pattern on the screens 6a, 6a, and the code read by the code readers 8, 8 match the operation target device. It has a function of collating whether or not it is present and a function of transmitting the collation result.

Reference numeral 9 denotes a modem connected to the CPU 1 via a cable 10, which is installed near the work site.
By the modem 9 and the wireless units 7 and 7 on the side of the portable terminals 6 and 6, the CPU 1 and the portable terminals 6 and 6 are connected.
6 and the operation pattern, the portable terminal device 6,6
The wireless transmission / reception device is configured to transmit the collation result on the side of the portable terminals 6 and 6 to the CPU 1 while transmitting to the CPU 1.

In addition to the above, the portable terminals 6 and 6 are respectively provided on the CPU 1 side and the portable terminals 6 and 6 side.
The comparison result between the reading code on the side and the operation target device is N.
When G (mismatch), a buzzer is provided as an alarm issuing means for issuing an alarm, but these buzzers are not shown because they are very general. Further, when the CPU 1 is in the operation status monitoring mode, the operation status is displayed for each of the plurality of devices in the operation system diagram M (see FIG. 6) displayed on the CRT 4 on the CPU 1 side. There is provided a display means for making different displays accordingly. For example, when the operation target device is a valve, a discoloration mark m that lights up red when the valve is open and lights up green when the valve is closed is provided.

Next, the operation processing in the device operation remote monitoring apparatus having the above-mentioned configuration will be described with reference to the flowcharts of FIGS. 4 and 5 and the screen display examples of FIGS. 6 to 11. As an operation system,
Operation (startup) of high-pressure drain pump in power plant
However, in addition to this, there are many equipment operation systems in the power plant such as the operation (stop) of the high-pressure drain pump and the operation of the generator system. Of course, it can be applied to any of them. That is. First, the operating system of the high-pressure drain pump will be described with reference to FIG.

In FIG. 3, 11 is a high-pressure drain pump,
12 is a drain tank, 13 is 5 heaters, 14 is a deaerator,
Reference numeral 15 denotes a condenser, and a drain system inlet valve 16, a drain tank bypass valve 17, a high-pressure drain deaerator inlet valve 18, a drain tank are respectively provided in the piping systems for connecting and connecting the respective constituent elements 11 to 15 respectively. A condenser communication valve 19, a drain tank blow motor-operated valve 20, a drain pump inlet valve 21 and a drain pump outlet valve 22 are interposed, and
A selector switch 23 that switches between automatic and manual operation for the high-pressure drain pump 11 is provided,
To operate (start) the high-pressure drain pump 11, it is necessary to open or close and select the plurality of valves 16 to 22 and the selector switch 23 (an example of a plurality of devices) in a preset procedure. An operation pattern such as the operation procedure and the operation content (opening / closing) is stored in the memory 3 connected to the CPU 1. Also,
A code such as a bar code or a magnetic code is attached to each of the valves 16 to 22 and the selector switch 23.

FIG. 4 shows a processing flow on the side of the CPU 1, and although not shown, in the initial menu stage, when the device operation is selected by mouse-clipping (step S11) by function selection (step S10), the CRT 4 is displayed. The operation system diagram list is displayed on the screen, and the "high-pressure drain pump operation (startup) system diagram" is selected from the list by the mouse clip (step S12). By selecting this "high pressure drain pump operation (startup) system diagram", the operation system diagram M corresponding to the operation system of the high pressure drain pump of Fig. 3 is displayed on the screen of the CRT 4, as shown in Fig. 6. In addition,
6, parts corresponding to the respective constituent elements 11 to 23 in FIG. 3 are designated by the same reference numerals, and the description thereof will be omitted.

Next, the "setting" displayed on the screen of the CRT 4 is clipped with a mouse, and based on the operation system diagram M displayed on the screen, the operation procedure and operation contents for the plurality of valves 16 to 22 and the selector switch 23, etc. The operation pattern of is set (step S13). After setting, the set operation pattern is from the CPU 1 to the cable 10,
The data is transmitted to the terminals 6 and 6 via the modem 9 and the wireless unit 7 (step S14), and the printer clip is operated by the mouse clip of "printer output" to issue an operation slip corresponding to the above setting operation pattern. (Step S15). Subsequently, by clipping the "start monitoring" with the mouse, the CPU 1 starts the processing for monitoring the operation of each of the valves 16 to 22 and the selector switch 23 (step S16). That is, it is switched to the monitoring mode.

After shifting to such a monitoring mode, the information transmitted from the terminal 6 side is received (step S1).
7) It is determined whether the operation status is OK or NG (mismatch) (step S18). Then, if the determination is OK, it is determined whether or not the device operation is completed (step S19), and if the device operation is not completed, the process returns to step S17 and the information transmitted from the terminal 6 side is returned. When receiving is continued and the device operation is completed, the process returns to step S10, and the system ends (step S20).
Wait for the process to complete. On the other hand, if the determination in step S18 is NG (mismatch), an alarm such as a buzzer is issued (step S21), and it is determined whether or not the alarm has been canceled (step S22). Returns to step S17 and continues to receive the information transmitted from the terminal 6 side.

In FIG. 4, when the mouse clip is selected in step S10 to select a genealogy tree (step S23), it is selected whether to edit the existing genealogy chart or to create a new genealogy chart. (Step S2
4) Steps S25 to S based on the selection
The process of re-registering the edited system diagram through step 28 and the process of newly registering the newly created system diagram through steps S29 to S33 are performed.

FIG. 5 shows a processing flow on the side of the terminal unit 6, in which the initial setting is displayed on the screen 6a while the operation pattern is being set on the CPU 1 side, and a transmission / reception state for obtaining information from the CPU 1 side. (Step S40). Then, after the setting, the operation pattern transmitted from the CPU 1 side is received (step S41). Upon receipt of this operation pattern, the operation pattern as shown in FIG. 7 is displayed on the screen 6a of the terminal device 6, and accordingly, the operator on the site side on the terminal device 6 side displays the operation pattern. The operation is started (step S42). That is, a code such as a bar code attached to the corresponding valve displayed on the screen, for example, the drain tank inlet valve 16 is read by the code reader 8 attached to the terminal device 6, and the “verify” displayed on the screen is touched. By doing so, the code is checked and it is determined whether or not the valve to be operated is correct (step S43).

In the judgment result, if the valve to be operated is correct (verification is OK), the fact is transmitted to the CPU 1 side (step S44). please do it",
The command message “Please close”, “Please check open”, “Please check closed” is transmitted, and it is displayed at the corresponding position in the operation system diagram M displayed on the CRT4. “In operation” is displayed. The screen 6a on the side of the terminal device 6 that receives this operation content instruction message shows
As shown in FIG. 7, the above-mentioned instruction message is displayed at the location marked with XXXXXXXXX in the figure, and the site worker performs a predetermined operation / confirmation based on this instruction message (step S45). Touching the "next operation" displayed on the screen to determine whether or not to proceed to the next operation (step S46).

On the other hand, in the judgment result in the above step S43, in the case of collation NG (mismatch), as shown in FIG. 9, the error message "Operation completed" or "Operation prohibited" is displayed on the screen 6a. Displayed and CP
An alarm such as a buzzer is issued in synchronization with the U1 side (step S47), and the operation system diagram M displayed on the CPU1 side
"Operation error" is displayed in the corresponding area. And
It is determined whether or not the alarm is released (step S4
8) If it is released, the process returns to step S43 to continue determining whether the valve to be operated is correct.

In addition, in the judgment in step S46, if the progress to the next operation is NO, it is judged whether or not all the operations are completed (step S49), and all the operations are completed. If not, the contents of the remaining operation are displayed on the screen 6a of the terminal 6 as shown in FIG. 10 to inform the on-site worker of the fact (step S50), and if all the operations are completed. If so, CPU1
At the same time, the message "Operation completed" is displayed on the screen 6a of the terminal device 6 as shown in FIG. The work of the operation system for operating (starting) the high-pressure drain pump is completed by the above processing flows.

As described in the above embodiment, when two terminals 6 are used as one set, the same data transmitted from the CPU 1 to the two portable terminals 6 and 6. It is possible to receive the operation pattern and display it on the screen, so that you can double check the operation pattern for the next operation device without mistake,
The occurrence of erroneous operation can be reliably prevented.

Further, as a display means for displaying differently in each part corresponding to a plurality of devices in the operation system diagram M (see FIG. 6) depending on the operation status, for example, when the valve to be operated is open. By providing a discoloration mark m that lights up in red and lights up in green when closed, the supervisor of the central control room CC can monitor the operation status of the site, that is, the current opening / closing status of the plurality of valves 16 to CRT4. It is possible to understand it at a glance through the screen of.

[0030]

As described above, according to the invention of claim 1, the central control unit installed in the central control room when it is necessary to perform a trial operation for repairing the equipment of a certain system. On the side, the operation system diagram of multiple devices existing in the system can be displayed on the screen, and operation patterns such as operation procedures for multiple devices can be easily set based on the operation system diagram. While the central control unit can be switched to the operation status monitoring mode, the portable terminal side displays the set operation pattern on the screen and the site worker operates according to the operation pattern displayed on the screen. The target devices can be sequentially operated, and at this time, the code attached to the operation target device is read on the portable terminal side, and the read code and the operation target device At the same time confirms collates whether matches can also check the operation status in the field in the central control room by transmitting to the central control apparatus in the verification result to the monitoring mode. In this way, for all of the plurality of operation target devices, it is possible to confirm and check whether they are operated according to the operation pattern set above both in the field and in the central control room,
There is an effect that it is possible to accurately and efficiently proceed with the operation on a plurality of devices while preventing human error in operation and error in operation procedure.

Further, if the operation sheet corresponding to the operation pattern such as the operation procedure set in the central control room is simultaneously issued through the printer, the operation report and the approval to the person in charge can be reported. Acceptance can be done quickly and operation records can be kept.

Further, by using a portable terminal device having two sets as one set, it is possible to receive the same operation pattern transmitted from the central control unit side and display it on the screens of the two terminal devices. As a result, the operation pattern for the next operation device can be double-checked so that there is no mistake, and the occurrence of erroneous operation can be prevented more reliably.

Further, if the collation results on the side of the portable terminal device do not match, if an alarm is issued in each of the portable terminal device and the central control unit, the occurrence of the operation abnormality is surely performed. It can detect and take appropriate action against it quickly. Furthermore, when the central control unit is in the monitoring mode, the parts corresponding to a plurality of devices in the operation system diagram displayed on the screen are different from each other, for example, turning on / off and blinking or changing colors depending on the operation status. By displaying
A supervisor in the main control room can understand the operation situation on the spot at a glance, and the function of preventing erroneous operation by monitoring can be further enhanced.

[Brief description of drawings]

FIG. 1 is a system configuration diagram showing a case where a device operation remote monitoring device according to an embodiment of the present invention is applied to a power plant.

FIG. 2 is a schematic device configuration diagram of a device operation remote monitoring device.

FIG. 3 is a diagram schematically showing an operating system of a high-pressure drain pump.

FIG. 4 is a processing flowchart on the CPU side of the operation processing in the device operation remote monitoring device.

FIG. 5 is a processing flowchart on the terminal side in the same operation processing.

FIG. 6 is an operation system diagram corresponding to the operating system of the high-pressure drain pump displayed on the screen of the CRT.

FIG. 7 is an explanatory diagram of a display state of operation patterns on a screen of a terminal device side.

FIG. 8 is an explanatory diagram showing a display state of an operation instruction message on the screen of the terminal device.

FIG. 9 is an explanatory diagram of a display state of an error message on the screen of the same terminal device.

FIG. 10 is an explanatory diagram of a display state of remaining operation contents on the screen of the terminal device of the above.

FIG. 11 is an explanatory diagram of a display state on the screen of the terminal device at the end of the operation.

[Explanation of symbols]

 1 CPU (Central Control Unit) 4 CRT 5 Printer 6 Portable Terminal 6a Liquid Crystal Screen 7 Wireless Unit 8 Code Reader 16-21 Valve CC Central Control Room M Operation System Diagram

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification number Internal reference number FI Technical indication location H04Q 9/00 361 (71) Applicant 594012737 Akihiko Yorita 51-1 Shimizu, Shikama-ku, Himeji-shi, Hyogo ( 71) Applicant 594012748 Shigeru Yoshitake 244-2 Ensuesue, Himeji City, Hyogo Prefecture (71) Applicant 594012759 Mitsuru Iwamoto No. 261-2, Shirahama-cho, Himeji City, Hyogo Prefecture (71) Applicant 594012760 Kiyokazu Taneo, Shirahama-cho, Himeji City, Hyogo Prefecture No. 261-2 (71) Applicant 594012771 Yuichi Higashi 183 Takamukai, Kawachinagano City, Osaka Prefecture (71) Applicant 594012782 Fukui Ichi 6-25 Showa-cho, Yamatotakada City, Nara Prefecture (72) Inventor Ken Yamada Himeji, Hyogo Prefecture Ichijodai 4-6-24 (72) Inventor Masato Umeno 13-1 Asahi, Shirima-ku, Himeji-shi, Hyogo Prefecture (72) Inventor Kagawa Kiho 1713-11 Kakiuchi-cho, Aboshi-ku, Himeji-shi, Hyogo Prefecture (72) Inventor Ritsuya Tata 13-1 Asahi, Shirima-ku, Himeji-shi, Hyogo Prefecture (72) Inventor Akihiko Yorita 51-1 Shimizu, Shirima-ku, Himeji-shi, Hyogo Prefecture (72) Inventor Shigeru Yoshitake 244-2 Ensu, Himeji-shi, Hyogo Prefecture (72) ) Inventor Mitsuru Iwamoto 261-2 Ko, Shirahama-cho, Himeji-shi, Hyogo (72) Inventor Kiyokazu Taneo 261-2 Ko-Shi, Shirahama-cho, Himeji-shi, Hyogo (72) Yuichi Higashi 183 Takamukai, Kawachinagano-shi, Osaka Address (72) Inventor Kazu Fukui 6-25 Showa-cho, Yamatotakada-shi, Nara

Claims (5)

[Claims] 1. A function installed in a central control room to display an operation system diagram of a plurality of devices on a screen and a function to set an operation pattern such as an operation procedure for the plurality of devices based on the displayed operation system diagram. And a central control unit that has a function to send operation patterns such as the set operation procedure and a function to switch to a mode for monitoring the operation status, and a code reader that reads the codes attached to the above multiple devices. In addition, a function of receiving an operation pattern such as an operation procedure set by the central control device and displaying it on the screen and a function of checking whether or not the operation target device is correct based on the code read by the code reader and its function A portable terminal device having a function of transmitting a collation result, and between the central control device and the portable terminal device,
It is provided with a wireless transmission / reception device that transmits the operation pattern set and transmitted on the central control device side to the portable terminal device side, and also transmits the above collation result on the portable terminal device side to the central control device side. A remote monitoring device for operating equipment. 2. The device operation remote monitoring device according to claim 1, wherein the central control device side is provided with a printer for issuing an operation form corresponding to an operation pattern such as a set operation procedure. 3. The mobile terminal is configured such that two mobile terminals are set as one set, and the two mobile terminals receive the same operation pattern transmitted from the central control unit and display it on the screen. The device operation remote monitoring device according to claim 1. 4. The portable terminal device and the central control device are each provided with an alarm transmitting means for transmitting an alarm when the collation results on the portable terminal side do not match. The equipment operation remote monitoring device according to 3. 5. When the central control unit is in the operation status monitoring mode, the portions corresponding to a plurality of devices in the operation system diagram displayed on the screen of the central control unit are different from each other according to the operation status. The equipment operation remote monitoring device according to any one of claims 1, 2, 3, and 4, further comprising display means for displaying.