JPH06194450A - Work-controlling device under radiation - Google Patents

Abstract

PURPOSE:To provide a device for controlling work under radiation which can proceed with a smooth operation and at the same time can reduce the radiation dose equivalent weight of a construction-controlling personnel by remote- controlling a plurality of works. CONSTITUTION:An ITV camera device 1 for monitoring work condition, a work condition input device 3, a call device 5, a radiation monitor 2 for monitoring the radiation dose rate of work field environment, and a work instruction output device 4 for receiving work instructions from a central control device side are installed at the work field side. A work procedure summary database 14 where data such as work procedure summary are recorded, a work information processor 13 for processing to output the information to the work instruction output device, an image information processor 11 for processing video image from the ITV camera device 1, a radiation dose information processor 12 for processing the radiation dose information from the radiation monitor 2, a mixed information processor 17 for storing the information and performing its output processing, a display 15, and a printer 16 are installed at the side of a central control device 10 for controlling a plurality of work fields.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work management apparatus for remotely managing work in a radiation environment such as a controlled area of a nuclear power plant.

[0002]

2. Description of the Related Art In periodical inspection work in a controlled area of a nuclear power plant, work supervisors and workers disassemble, inspect, and assemble various devices such as pumps and valves at various work sites inside the nuclear power plant. At this time, construction management personnel such as construction managers, radiation managers, or quality inspectors also enter the management area and stick to one or more work sites to carry out their respective duties. It is customary to carry out

[0003]

In such a work management method, construction management personnel such as construction managers, radiation managers, or quality inspectors tend to spend a longer time in the controlled area. Especially, in areas where the environmental dose equivalent rate is high, the dose equivalent of supervisors, radiation managers, and quality inspectors who stay for a long time tends to increase. In addition, in work where the progress is not known in detail, there is a margin for the timing of witnessing, which causes loss time on site. In addition, some types of work require on-site witnessing to confirm the operation of automated equipment, which is also a factor that increases the work dose equivalent.

The present invention has been made in order to solve such a problem. By remotely controlling a plurality of works, it is possible to measure the smooth progress of the works and to reduce the dose equivalent of construction management personnel. It is intended to provide a lower work management device.

[0005]

The radiation work management system of the present invention is for communicating with the ITV camera device for monitoring the work status, the work status input device for inputting the work status, and the centralized management system side. A communication device, a radiation monitor for monitoring the dose rate of the work site environment, and a work instruction output device that receives work instructions from the central control device side are installed on the work site side to manage multiple work sites. On the side of the central control device for this purpose, a work procedure guideline database in which data such as work procedure guides is recorded, a work information processing device for processing this information to be output to the work instruction output device, and the ITV camera device. An image information processing device for processing image information from the radiation monitor, a dose information processing device for processing dose information from the radiation monitor, and a storage and output process for these information. Cormorant composite information processing apparatus, a display device, a printing device, characterized in that installed in the low dose rate area away from the work site.

[0006]

In the apparatus of the present invention configured as described above, the CRT of the central control apparatus main body installed in the low dose area away from the work place through the ITV camera device installed near the work place is used. Can be displayed on the monitor to monitor the work progress. In addition, work procedures and work procedures that have been input in advance to the device body are instructed to the work site through a work instruction output device (site CRT) according to the progress of work steps, while information such as start and end of work steps is input from the site By doing so, the work progress can be followed. Changes in the work environment and the dose equivalent of the worker can be monitored based on information from the work environment and the radiation dosimeter attached to each worker. Further, it is possible to combine the actually measured work environment data, the progress status of the work steps, the work procedure, and the like, and graphically display and output the actual process and the environmental result.

[0007]

Embodiments of the present invention will now be described with reference to FIGS. In the reactor containment vessel, which is a typical work area in the control area of a nuclear power plant, each work place A1, A in which a plurality of works are discretely distributed
2, A3 ... are being carried out in parallel. Therefore, the number of ITV cameras 1 required to monitor the work and the number of radiation monitors 2 required to measure the radiation dose rate of the environment are installed in the work place A1 to measure the concentration of radioactive substances in the air. If necessary, also install a dust monitor (not shown). Further, a work status input device 3 for inputting information such as start and end of work steps from the site, a work instruction output device 4 (site CRT) for instructing a worker about a work procedure and a work procedure, and a site / management device. An intercommunication device 5 for communication is installed. Similar devices are also installed in other work areas A2, A3, ....

On the other hand, the centralized control device body 10 is installed in the space outside the storage container having a low environmental dose rate. This centralized management device body processes an image information processing device 11 that processes video information from the ITV camera 1, a dose information processing device 12 that processes dose information from the radiation monitor 2, and information from the work status input device 3. A work information processing device 13 for
A work procedure guideline database 14 in which data such as work procedure guides is recorded, and a display device (CRT or the like) 1 which is an output device of the central management device main body, and information of these processing devices.
5, a printing device (printer or the like) 16, a composite information processing device 17 for processing to output to the work instruction output device 4 on the work site side, and a communication call device 18. The work information processing device 13 has a function of comparing information from the work status input device 3 with information in the work procedure summary database 14, and processing information output to the composite information processing device 17 or the work instruction output device 4. Is also equipped.

In the radiation work management system configured as described above, the ITV control device (not shown) of the centralized management system main body 10 is used to switch the camera channel, the television, and the like. The shooting direction of the camera 1, the zoom, the aperture, and the like are controlled, and the image information is sent to the composite information processing apparatus 17. In addition, the signals from the radiation monitors 2 installed at the site are sent to the composite information processing device 17 through the dose information processing device 12.

When a signal for starting a work step is input from the work status input device 3 at the work site, the central control device main body 1
The work information processing device 13 of 0 calls up the work procedure guide previously recorded in the work procedure guide database 14,
The work procedure and the like are displayed on the work instruction output device 4 at the site. Then, when a signal indicating the start or end of the work step is input at the work site according to the progress of the work, an appropriate procedure / procedure is displayed on the work instruction output device 4 at the work site according to the progress of the work. Further, when a work that is not in the original procedure occurs, the work status input device 3 and the centralized management device main body 10 at the site
You can enter additional information such as work procedures.

In the central control unit 10, the progress status of the input work is recorded together with the image information and dose information of the work place. In addition, other work is recorded in the same manner.

The image / dose / work status information of each work place sent to the composite information processing device 17 is recorded by a built-in storage device, and the work place / camera image / radiation monitor / work status information is recorded. Combination (Example 1:
"Workplace A1, camera 1a & 1b, monitor 2c & 2
d. Work status required "; Example 2:" Work place A6, camera 1c "
-Monitor 2e, work status unnecessary ", etc.) is selected to display each information collectively on the display device 15 on the centralized management device side. Further, by providing the plurality of display devices 15, it is possible to simultaneously display a plurality of parallel works. Further, the work instruction output device 4 at the work site displays dose information together with the work instruction if necessary.

Further, from the information of the image, dose, and work situation of each work place recorded in the composite information processing device 17, the trend of each work place, camera image, radiation monitor, and work situation information selected for combination. It is also possible to output and print the data and the work record process chart to the printing device 16 on the centralized management device side.

As described above, in the apparatus of the present invention, the work situation in the high dose rate area can be grasped in the low dose rate area, effective witnessing is possible, and the exposure of the work management personnel can be reduced. In addition, simultaneous display of a plurality of parallel works enables collective management, which facilitates adjustment of interference between works. Moreover, it is possible to remotely monitor the operation confirmation of automated equipment from a place with a low dose rate, reducing the dose equivalent of the worker, and in the case of work that requires a shift system,
It is possible to grasp the situation before the orthogonal crossing, and it is possible to take over the work more smoothly, and the dose equivalent can be reduced.
By using the communication device and on-site CRT, fine work instructions and business communication can be obtained, so that work quality is improved. Further, trend data such as work record, work process, or work environment radiation can be output as necessary, and labor saving of report preparation can be achieved.

In the present invention, in addition to the monitor for measuring environmental radiation in the above-mentioned embodiment, each worker is also equipped with a wireless personal dosimeter, and the individual dose information is processed by the management device. It is also possible to adopt a configuration in which the data is immediately input to the device. In this way, it is possible to monitor individual worker's dose equivalent, especially in high dose rate areas,
Management of daily planned dose becomes easy.

[0016]

As described above, according to the present invention, it is possible to grasp the work situation in the high dose rate area in the low dose rate area,
Efficient witnessing is possible and exposure of work management personnel can be reduced. By displaying a plurality of parallel work at the same time, it is possible to manage them collectively, and it becomes easy to adjust interference between works. The confirmation of the operation of automated equipment can be performed remotely from a place with a low dose rate, and the dose equivalent of the worker can be reduced. When performing a work requiring a shift system, the situation can be grasped before the orthogonal shift, and the smoother changeover of the work can be performed, and the dose equivalent can be reduced as well. By using the communication device and on-site CRT, fine work instructions and business communication can be obtained, so that work quality is improved. Further, trend data such as work record, actual process, work environment radiation, etc. can be output as needed, and the report preparation can be omitted.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of a device of the present invention.

FIG. 2 is a conceptual diagram showing an embodiment of the device of the present invention.

[Explanation of symbols]

 1 ... ITV camera 2 ... Radiation monitor 3 ... Work status input device 4 ... Work instruction output device 5, 18 ... Communication device 10 ... Central control device 11 ... Image information Processing device 12 ... Dose information processing device 13 ... Work information processing device 14 ... Work procedure summary database 15 ... Display device 16 ... Printing device 17 ... Complex information processing device.

Claims (1)

[Claims] 1. An ITV camera device for monitoring the work status, a work status input device for inputting the work status, a communication device for contacting the central control device side, and a dose rate in the work site environment. A radiation monitor and a work instruction output device that receives work instructions from the central control unit are installed on the work site side, and data such as work procedure points are stored on the central control unit side for managing multiple work sites. A recorded work procedure summary database, a work information processing device that processes this information to output it to the work instruction output device, an image information processing device that processes video information from the ITV camera device, and the radiation monitor. A dose information processing device for processing dose information from a device, a composite information processing device for storing and outputting these information, a display device, and a printing device, A radiation work management system characterized by being installed in a low dose rate area away from the work site.