JP2000292584A - Nuclear instrumentation design support system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a nuclear instrumentation design aiding system capable of automatic design of component such as specification determination and automatic formation of testing specification by using CAD(computer aided design) and analyzing tools on the basis of upstream system design specification and improving design efficiency and design quality in process instrumentation design for a reactor power station. SOLUTION: A CAE(computer aided engineering) subsystem 131 in which upstream system design specification data is connected to a design CAD tool and an analyzing tool, the results of various analysis are reflected to the detailed specification determination, the automatic design of component is done and the detailed analysis results concerning the instrumentation components are fed back to the upstream plant simulation system 121 and the plant operation characteristic is confirmed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to nuclear power used for integrated information management and the like throughout the manufacturing process (engineering, design, manufacturing, testing, adjustment, and service) of an instrumentation system of a nuclear facility such as a nuclear power plant. It relates to an instrumentation design support system.

[0002]

2. Description of the Related Art Conventionally, a database is individually managed for technical specification information, design drawing information, production management information, manufacturing information, test information, field adjustment information, etc. necessary for manufacturing an instrumentation system of a nuclear facility. I was

[0003]

However, in the prior art, as described above, the technical specification information, design drawing information, production management information, manufacturing information, test information, Since field adjustment information and the like are individually managed in a database, there is a problem that data connection between the databases is not performed.

[0004] The present invention has been made to solve such a problem. The present invention unifies such information on a database, and at the same time, CAE (Computer Aide).
dEngineering) / CAD (Compute)
r Aided Design) / CAM (Compu
ter Aided Manufacturing) /
CAT (Computer Aided Testin
g) / CIM (Computer Integrated)
d Manufacturing)
It enables automatic data creation between upstream and downstream.
A database for all information related to the instrumentation design of nuclear facilities to improve efficiency and quality. That is, it proposes an instrumentation design support tool related to the field of instrumentation design of nuclear facilities. To
With the aim of providing a nuclear instrumentation design support system that can automatically design equipment such as specification determination and automatically create test specifications using CAD and analysis tools, and improve design efficiency and quality. I have.

Further, the present invention makes it possible to provide an on-site confirmation tool for work procedures at the time of equipment maintenance and replacement in a periodic inspection (hereinafter, referred to as a regular inspection) based on the above information, thereby eliminating work errors. The purpose is to provide a nuclear instrumentation design support system that can be used.

[0006]

According to a first aspect of the present invention, there is provided a nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility. The system is provided with a design support means for connecting the upstream system design specification data to a design CAD tool and an analysis tool, and automatically designing the equipment while reflecting the results of various analyzes in the detailed specification determination.

According to the first aspect of the present invention, in a process instrumentation design of a nuclear facility such as a nuclear power plant, a CAD and an analysis tool are used based on an upstream system design specification.
By the above-mentioned design support means, automatic design of equipment is performed by reflecting various analysis results of the upstream system design specification data in detailed specification determination, thereby enabling automatic design of equipment such as specification determination, design efficiency and design quality. A nuclear instrumentation design support system capable of improving the nuclear power plant can be provided.

According to a second aspect of the present invention, in the nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, the upstream system design specification data is connected to a design CAD tool and an analysis tool. The results of various analyzes are reflected in the determination of detailed specifications, and the design support means for automatic design of equipment and the detailed analysis results on instrumentation equipment are fed back to the system for simulating the operating condition of the upstream plant. Operating characteristic checking means for checking the plant operating characteristics.

According to the invention of claim 2, for example, in a process instrumentation design of a nuclear facility such as a nuclear power plant, a CAD and an analysis tool are used based on an upstream system design specification.
By the above-mentioned design support means, automatic design of equipment is performed by reflecting various analysis results of the upstream system design specification data in detailed specification determination, thereby enabling automatic design of equipment such as specification determination, design efficiency and design quality. Can be improved. Further, when performing a periodic inspection of a nuclear facility such as a nuclear power plant based on the above information, the operating characteristic confirming means feeds back a detailed analysis result of the instrumentation equipment to an upstream plant simulation system to improve a plant operating characteristic. By confirming, it is possible to provide a tool for confirming the work procedure at the time of instrument maintenance replacement on site, and to provide a nuclear instrumentation design support system capable of eliminating work errors.

According to a third aspect of the present invention, in the nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, the upstream system design specification data is connected to a design CAD tool and an analysis tool. In addition, design support means for automatically designing equipment while reflecting the results of various analyzes in determining detailed specifications, and detailed design data created in the downstream process and heat and seismic resistance created in the upstream process And a validity checking means for checking the validity by feeding back to a database of basic design specifications such as performance and noise resistance.

In the invention according to claim 3, for example, in a process instrumentation design of a nuclear facility such as a nuclear power plant, a CAD and an analysis tool are used based on an upstream system design specification,
By the above-mentioned design support means, automatic design of equipment is performed by reflecting various analysis results of the upstream system design specification data in detailed specification determination, thereby enabling automatic design of equipment such as specification determination, design efficiency and design quality. Can be improved. Further, when performing a periodic inspection of a nuclear facility such as a nuclear power plant based on the above information, the validity checking means creates detailed design data in the downstream process and at the same time as the basic design created in the upstream process. By providing feedback to the specification database and checking the validity, it is possible to provide on-site confirmation tools for work procedures at the time of instrument maintenance replacement, and to provide a nuclear instrumentation design support system that can eliminate work errors it can.

According to a fourth aspect of the present invention, in the nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, the upstream system design specification data is connected to a design CAD tool and an analysis tool. Design support means for automatically designing equipment while reflecting the results of various analyzes in detailed specification determination; storage means for storing information on plant piping system design specifications, process conditions, and equipment design specifications; Based on the information stored in the storage means, tanks during the flow analysis of tanks, pipes, etc.,
There is provided a validity checking means for calculating a mechanical optimum strength of a sensor device provided in a pipe or the like, reflecting the calculated mechanical strength in the design of the sensor device, and checking the validity in plant design.

According to the invention of claim 4, for example, in a process instrumentation design of a nuclear facility such as a nuclear power plant, a CAD and an analysis tool are used based on an upstream system design specification.
By the above-mentioned design support means, automatic design of equipment is performed by reflecting various analysis results of the upstream system design specification data in detailed specification determination, thereby enabling automatic design of equipment such as specification determination, design efficiency and design quality. Can be improved. In the case of performing a periodic inspection of a nuclear facility such as a nuclear power plant based on the above information, the validity checking means calculates the mechanical optimum strength of the sensor device and reflects the calculated strength on the design of the sensor device, and also considers the plant design. By confirming the validity of the instrument, it is possible to provide a tool for confirming the work procedure at the time of instrument maintenance replacement at the site, and to provide a nuclear instrumentation design support system capable of eliminating work errors.

According to a fifth aspect of the present invention, in the nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, the upstream system design specification data is connected to a design CAD tool and an analysis tool. Design support means for automatically designing equipment while reflecting the results of various analyzes in detailed specification determination; storage means for storing information on plant piping system design specifications, process conditions, and equipment design specifications; Based on the information stored in the storage means, simulate the flow of tanks, pipes and the like, and perform response speed analysis of heat, flow rate, flow velocity, vibration, and the like of sensor equipment provided in the tanks and pipes, and There is provided a validity checking means for reflecting the performance in the performance design of the equipment and for checking the validity in the plant design.

According to the invention of claim 5, for example, in a process instrumentation design of a nuclear facility such as a nuclear power plant, a CAD and an analysis tool are used based on an upstream system design specification.
By the above-mentioned design support means, automatic design of equipment is performed by reflecting various analysis results of the upstream system design specification data in detailed specification determination, thereby enabling automatic design of equipment such as specification determination, design efficiency and design quality. Can be improved. Further, when performing a periodic inspection of a nuclear facility such as a nuclear power plant based on the above information, the validity checking means analyzes the response speed of the sensor device and reflects it in the performance design of the sensor device, and also in the plant design. By confirming the validity, it is possible to provide a tool for confirming the work procedure at the time of replacement of the instrument maintenance on site, and to provide a nuclear instrumentation design support system capable of eliminating work errors.

A nuclear instrumentation design support system according to a sixth aspect of the present invention is a nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility.
A storage unit in which information relating to control panel / equipment layout design is stored, and information on the control panel or rack is extracted from the storage unit, and an external view of the control panel or rack is checked while checking interference between devices in consideration of a maintenance space. And automatic creation of assembly drawings and installation drawings of individual devices, as well as creation means for creating data that can be connected to analysis tools such as heat, noise, and vibration related to the control panel or rack.

According to the sixth aspect of the present invention, by automatically inputting the shape and structural material of the instrumentation rack and the control panel, as well as articles and instruments to be stored, the creation means automatically generates a finite element model for vibration analysis. This can greatly improve the efficiency of vibration analysis. In addition, it is possible to provide a nuclear instrumentation design support system that can easily perform eigenvalue analysis even if the user is not proficient in analysis expertise or CAD.

A nuclear instrumentation design support system according to a seventh aspect of the present invention is a nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility.
A storage unit in which information relating to control panel / equipment layout design is stored, and information on the control panel or rack is extracted from the storage unit, and an external view of the control panel or rack is checked while checking interference between devices in consideration of a maintenance space. Creating means for automatically creating assembly drawings and installation drawings of individual devices, and generating data connectable to analysis tools such as heat, noise, and vibration related to the control panel or rack; and a control panel, rack, C when performing thermal analysis of units and equipment
The hardware conditions such as the shape created by AD are taken from the upstream database, and based on the input of the calorific value of each device, etc., the arrangement of devices and parts is checked while comparing it with the design standard database including various preset standards and know-how. Design,
It is provided with design support means for automatically calculating the temperature distribution in the panel / rack / unit and performing an optimal design.

In the invention according to the seventh aspect, by selecting and inputting the shape and structural material of the instrumentation rack and the control panel, as well as articles and instruments to be stored, the creation means automatically generates a finite element model for vibration analysis. Can be done,
By the design support means, the eigenvalue analysis / frequency analysis of vibration and stress calculation can be automatically performed, and the efficiency of vibration analysis can be greatly improved. In addition, it is possible to provide a nuclear instrumentation design support system that can easily perform eigenvalue analysis even if the user is not proficient in analysis expertise or CAD.

A nuclear instrumentation design support system according to an eighth aspect of the present invention is a nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility.
A storage means for storing information on the control panel / equipment layout design, and information on the control panel or rack extracted from the storage means, and an external view of the control panel or rack while checking for interference between devices in consideration of a maintenance space; Creating means for automatically creating assembly drawings and installation drawings of individual devices, and generating data connectable to analysis tools such as heat, noise, and vibration related to the control panel or rack;
CAD for thermal analysis of racks, units and equipment
The hardware conditions such as the shape created in the above are fetched from the upstream database, and based on the input of the calorific value of each device, the layout of the devices and parts is designed while collating with the database of the design standard including various preset standards and know-how. And the board /
The first design support means to automatically calculate the temperature distribution in the rack / unit and perform the optimal design, and the second design support to automatically design the external environmental conditions necessary for maintaining the performance of the equipment and to perform the optimal design of the air-cooled equipment etc. Means.

According to the eighth aspect of the present invention, by automatically inputting the shape and structural material of the instrumentation rack and the control panel, the articles to be stored, the instruments, and the like, the creation means automatically generates the finite element model for vibration analysis. Can be done,
By the first design support means and the second design support means, the eigenvalue analysis / frequency analysis of vibration and the stress calculation can be automatically performed, and the efficiency of vibration analysis can be greatly improved. In addition, expertise in analysis and CA
A nuclear instrumentation design support system capable of easily performing eigenvalue analysis without being proficient in D can be provided.

A nuclear instrumentation design support system according to a ninth aspect of the present invention is a nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility.
A storage means for storing information on the control panel / equipment layout design, and information on the control panel or rack extracted from the storage means, and an external view of the control panel or rack while checking for interference between devices in consideration of a maintenance space; Creation means for automatically creating assembly drawings and installation drawings of individual devices, and generating data that can be connected to analysis tools such as heat, noise, and vibration related to the control panel or rack, and noise analysis of units and devices In the case of performing the above, the cable route diagram from the sensor to the unit, the power cable route diagram in the plant, the position and intensity data of the noise source are taken from the upstream database, and the noise simulation is performed based on the input of the signal level etc. , Unity while checking against a database of design standards including various preset standards and know-how. It is provided with a noise characterization means for confirming the noise resistance of the noise characteristic.

According to the ninth aspect of the present invention, by selecting and inputting the shape and structural material of the instrumentation rack and the control panel, as well as articles and instruments to be stored, the creation means automatically generates a finite element model for vibration analysis. Can be done,
The noise characteristics of the unit can be confirmed by the noise characteristics confirmation means, and the efficiency of vibration analysis can be greatly improved. In addition, it is possible to provide a nuclear instrumentation design support system that can easily perform eigenvalue analysis even if the user is not proficient in analysis expertise or CAD.

A nuclear instrumentation design support system according to a tenth aspect of the present invention is a nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility. A storage means in which information relating to the control panel / equipment layout design is stored, and based on the information stored in the storage means, specifications of an instrument to be used for process instrumentation are determined, and a seismic support design required for maintaining the instrument performance. And design support means for performing detailed design around the instrument such as heat radiation design of the instrument mounting plate.

According to the tenth aspect of the present invention, by automatically inputting the shape and structural material of the instrumentation rack and the control panel and the articles and instruments to be stored, the creation means automatically generates the finite element model for vibration analysis. In addition to the above, the eigenvalue analysis, frequency analysis, and stress calculation of the vibration can be automatically performed by the design support means, and the efficiency of the vibration analysis can be greatly improved. In addition, it is possible to provide a nuclear instrumentation design support system that can easily perform eigenvalue analysis even if the user is not proficient in analysis expertise or CAD.

[0026]

Embodiments of the present invention will be described below in detail with reference to the drawings.

First, before describing an embodiment of the present invention, an outline of a nuclear instrumentation design support integrated CAE system according to the present invention will be described.

FIG. 1 is a functional block diagram showing an outline of a nuclear instrumentation design support integrated CAE system according to the present invention.

As shown in the drawing, the computer 11 of the integrated CAE system for nuclear instrumentation design support according to the present invention comprises a plant simulation system 121, a system design specification DB
(Database) 122, analysis system / DB123,
Equipment design specification DB124, manufacturing test data DB125,
It has an equipment simulation system / DB 126, a maintenance data DB 127, a design reference DB 128, a CAE subsystem 131, a CAD subsystem 132, a CIM subsystem 133, a CAM subsystem 134, and a CAT subsystem 135.

Nuclear instrumentation design support integrated CA according to the present invention
The E-System is an integrated CAE system that covers all aspects of nuclear instrumentation, from upstream nuclear power plant simulation and plant system design specifications to equipment design, manufacturing and testing, on-site adjustment and preventive maintenance. It unifies each subsystem and database under the environment.

In terms of hardware, a system is constructed using one computer 11 as a server, and a database is stored.
Note that it is also possible to disperse the functions of a plurality of computers and configure a system by network connection.

The computer 11 stores systems and databases from a plant simulation system 121 to a design standard database 128 described below. (1) Plant simulation system 121 System for simulating plant operation status (2) System design specification DB 122 Plant system design specification data includes plant environmental conditions, process specifications, piping system specifications, and the like. (3) Analysis system / DB 123 The characteristics and specifications of the equipment are analyzed based on the upstream specifications and design data. All the analysis tools necessary for confirming the performance of the equipment, such as heat, vibration, strength, response, circuit, noise, etc. necessary for confirming the performance of the equipment in the progress of the plant instrumentation design are packaged and prepared. use. (4) Device design specification DB 124 Detailed device design usage data. Also includes outline drawings of boards, racks, and equipment. (5) Manufacturing test data DB 125 Data related to equipment arrangement, assembly, and testing. (6) Device simulation system / DB 126 A device simulation system that creates characteristic simulation data of instrumentation devices and instrumentation systems and supports evaluation of test results. (7) Maintenance data DB 127 Data related to maintenance after the equipment is delivered. (8) Design standard DB128 Design standard data including various standards and know-how.

These databases have the following CA
The E subsystem 131 is connected by the CAT subsystem 135 to form an integrated CAE system.

(1) CAE Subsystem 131 The system design specification data on the upstream is connected to a design CAD tool and an analysis tool, and a nuclear power meter capable of automatically designing equipment while reflecting the results of various analyzes in the detailed specification determination. Equipment design support system. Enables optimal design. It also has a function to feed back detailed analysis results on instrumentation equipment to the upstream plant simulation system and system design specifications to confirm plant operation characteristics.

(2) CAD subsystem 132 Based on the system design specification data, an equipment specification, an external view, a production drawing, and the like are created. When creating, check for interference between devices,
The setting of the equipment installation procedure is also performed. At the same time, it generates data that can be connected to analysis tools related to the control panel or rack. (3) CIM subsystem 133 Creates production management data based on the design specification data. In particular, it is possible to refer to the design analysis results and purchase specifications for the equipment in the equipment purchase specification. (4) CAM subsystem 134 Creates manufacturing information based on design specification data. Generates NC processing data for piping / wiring materials, automatically creates assembly procedure manuals, etc., and realizes more efficient manufacturing operations. (5) CAT subsystem 135 Creates test specification information, product specification information, and product maintenance information based on the design specification data. Generate test specifications, performance data, product history information, etc. for products to achieve more efficient test work.

FIG. 2 is a block diagram showing a data structure of an integrated process instrumentation automatic design support system of one embodiment of the nuclear instrumentation design support integrated CAE system according to the present invention. This corresponds to claims 1, 3, 4, 5, and 10 in the claims. FIG. 1 shows a configuration of a database related to an integrated process instrumentation automatic design support system in a plant CAE integrated system.

As shown in the figure, the process instrumentation automatic design support integrated system of this embodiment is a system design specification DB.
201, environmental condition DB202, piping DB203, standard
Design standard DB204, outline drawing DB205, equipment specification table D
B206. In the figure, 211 indicates a plant simulation, 212 indicates CAD, and 213 indicates IDCS.

Hereinafter, each DB of the process instrumentation automatic design support integration system of this embodiment will be described.

(1) System Design Specification DB 201 The system design specification DB 201 stores various specification information relating to equipment used for process instrumentation in relation to each other using the plant name and equipment number as key data.

As various kinds of specification information, the equipment installation location, the measurement object (eg, reactor coolant flow rate), the measurement range (eg, 0-
100 m @ 3 / h), material (e.g., SUS304), required accuracy (e.g., ± 0.2%), and the like.

The information of the following (2) environmental condition DB 202 and (3) piping condition DB 203 is linked to the installation condition as a key, and the data of (2) and (3) is obtained by CAD or the like.
Is referred to through the system design specification DB 201.

(2) Environmental Condition DB 202 Environmental conditions are conditions determined for each installation location of equipment, and include temperature, humidity,
There are data such as seismic performance conditions and natural vibration frequencies required for equipment.

(3) Piping DB 203 The piping is specification information on the instrumentation piping to which the instrumentation device is attached, and the length, the pipe diameter, the piping material, the piping length of the linear portion of the piping to which the instrumentation device is attached. There is information such as the type / temperature / flow velocity of the fluid flowing through the inside.

(4) Standard / Design Standard DB 204 Standard information such as JIS, ASME, etc., which is a standard for device design, and design standard (DS) information prepared by incorporating original know-how in-house with reference to the above-mentioned standards are used for the corresponding device. Is stored as key data. In DS, the design procedure for each model is a design flow sequence (DFS)
It has been converted to logic. In the DFS, one work procedure is expressed in the form of one lock, as shown in FIG. 1, and each work block is connected to a sequence according to the work procedure. In each work block, input information necessary for the work is defined from the upper part, and output information of the work is defined in the lower part.

The standard information also includes numerical data such as parameters for determining the shape and material of the device.

(5) Outline drawing DB 205 This is an output information DB of a CAD tool for automatically designing the outline drawing of the corresponding device by using the information of the above DBs (1) to (4) as an input. Also includes attribute information such as shape.

(6) Device specification table DB 206 This is an output information DB of an IDCS tool for automatically designing the device specification table data (detailed device specifications) of the corresponding device by using the information of the above DBs (1) to (4) as input. ,
It also includes attribute information such as external dimensions, model, measurement range, withstand voltage conditions, and natural frequency.

FIG. 3 is a data flow diagram of the board / rack vibration analysis system when performing the automatic design of the present invention using the database described above. CA based on each data
D, an automatic design is performed using a tool of IDCS, the result is evaluated by an analysis simulation, and an optimum design is performed by feeding back to a design tool as needed. In the figure, 311 is a vibration analysis simulation,
Reference numeral 312 denotes a CAD function, and 313 denotes an IDCS.

Hereinafter, the procedure of automatic design in the board / rack vibration analysis system of this embodiment will be described.

(1) Creation of outline drawing information by CAD function ・ Automatic design procedure by CAD is stored in design standard DB for each model.
Information is registered as S. In DS, the design procedure for each model is converted into a logic as a design flow sequence (DFS). In CAD, when the operator inputs the model of the device to be designed, the corresponding DFS data is standardized.
Automatic design is performed by applying the CAD function according to the procedure determined in the DFS read from the design reference DB. In addition, I described later
Information linkage and execution order with DCS and analysis simulation are defined, and the CAD function is mainly used to execute automatic design while controlling each tool.

Information required for CAD design is input from the system design specification DB. Which data to input is DF
It is defined in S together with the design procedure. -The design result is output to the outline drawing DB. The information described in the device specification table is handed over to the IDCS.

(2) Device Specification Creation by IDCS Function-In the IDCS, the information of the system design specification DB and the information created by the CAD are input to perform detailed device specification design. -The design result is output to the equipment specification table DB.

(3) Vibration analysis simulation ・ Vibration analysis simulation is performed based on the information created by CAD and IDCS and the equipment specification information, and the simulation results are compared with the design values of the equipment to make a design. If the margin is too large or too small from the margin evaluation result, a design optimum value that satisfies the optimum margin is calculated and fed back to the CAD and IDCS to realize the optimum design.

The operator inputs the type of analysis simulation (heat, vibration, fluid analysis, etc.) and the number of the device to be simulated. -Input outline drawing information from the outline drawing DB and create a simulation model.・ Create boundary condition data from environmental conditions and piping conditions. -Process condition data is created from conditions such as fluid temperature / pressure / flow velocity in the system design specification DB.・ Apply the above data to the simulation model and execute the analysis. -When the analysis converges, compare the analysis results with the design requirements.

It is evaluated how much the analysis value has a margin with respect to the design required value. If the margin is within the allowable range, the analysis is terminated. If the margin deviates from the allowable value, the thickness value for entering the allowable value is obtained, and the CA
Feedback to D and IDCS.

In CAD and IDCS, redesign is performed using information obtained from simulation results, and analysis simulation is performed based on the results.

FIG. 4 is a data flow diagram at the time of automatic design of a panel / rack vibration analysis system using a thermometer protection tube as an example.
The figure shows a data flow of automatic design of a thermometer protection tube (well) as an embodiment of a process instrumentation automatic design support integrated system in a plant CAE integrated system. In the figure, reference numeral 511 denotes a CAE simulation.

Since the description of each DB has been described above, the CAD, IDCS and vibration analysis simulation will be described below.

(1) CAD Function Information on the automatic design procedure in CAD is registered as DS in the design standard DB. In DS, the design procedure for each model is converted into a logic as a design flow sequence (DFS). In CAD, when an operator inputs a model of a device to be designed, the corresponding DFS data is converted into a standard / design reference DB.
Then, the CAD function is applied in accordance with the procedure determined in the DFS and the automatic design is performed. The procedure for the well is as follows.

The material of the well is determined from the piping material input from the system design specification DB. -Determine the length of the well from the pipe diameter / thickness / length of the thermometer to be inserted into the well. Further, the shape of the well (taper type or the like) is determined from the conditions of the fluid pressure and the flow velocity in the pipe, and the thickness is determined.・ Determine the piping installation method from the pressure resistance conditions and determine the mounting flange dimensions.

(2) IDCS Function In the IDCS, the information of the system design specification DB and the information created by the CAD are input, and information described in the equipment specification table of the well is created with reference to the standard DB. It also prints out the device specification table.

The procedure for the well is as follows. -Determine the model from the material and shape (there is a table that defines the relationship between material, shape and model).・ Input protection tube length and shape information from CAD.・ Calculate the natural frequency of the well from the fluid pressure / flow velocity in the pipe.

(3) Vibration Analysis Simulation In the vibration analysis simulation, a simulation is performed based on the information created by the CAD and IDCS and the equipment specification information, and the simulation result is compared with the design value of the equipment to obtain a design margin. If the margin is too large or too small based on the evaluation result, the design optimum value that satisfies the optimum margin is calculated and fed back to the CAD and IDCS to realize the optimum design.

Details are shown in the vibration analysis simulation explanatory diagram of FIG. 5, and the well vibration analysis simulation is automatically executed in the following procedure.

The operator inputs the type of simulation (natural frequency analysis, pressure resistance calculation, etc.) and the number of the device to be simulated. -Input outline drawing information from the outline drawing DB and create a simulation model.・ Create boundary condition data from environmental conditions and piping conditions. -Process condition data is created from conditions such as fluid temperature / pressure / flow velocity in the system design specification DB.・ Apply the above data to the simulation model and execute the analysis.・ When the analysis has converged and the natural frequency and the limit withstand pressure value can be calculated, compare them with the design requirements. It evaluates how much the analysis value has a margin with respect to the design request value, and terminates the analysis if the margin is within the allowable range. When the margin deviates from the allowable value, a thickness value for entering the allowable value is obtained and fed back to the CAD and the IDCS. -In CAD and IDCS, redesign is performed using the thickness value obtained from the simulation result, and analysis simulation is performed based on the result.

Embodiment in Plant Simulation FIG. 6 is a data flow diagram of a panel / rack vibration analysis system according to one embodiment of the integrated nuclear instrumentation design support CAE system according to the present invention. This corresponds to claim 2 of the claims. In the figure, reference numeral 601 denotes a process condition DB. In this embodiment, when the output of a nuclear power plant fluctuates, it is checked whether or not the flow rate fluctuation in the piping matches the plant design conditions based on the shape of the protective tube attached in the piping.

The procedure in the board / rack vibration analysis system of this embodiment will be described below.

(1) A simulation model is created from the data created by CAD, and the information and the vibration analysis simulation data are combined to create protection tube vibration simulation data for flow rate and pressure fluctuations in the piping. (2) Create process condition data from system design usage information. (3) Using the data of (1) and (2) above, simulate the vibration state of the protection tube corresponding to the plant output fluctuation, and how the flow rate and flow velocity distribution in the piping due to the vibration of the protection tube fluctuates. Or simulate. (4) Check whether the result of the above (3) matches the process conditions. If there is a difference from the plant design value, review the protective tube external dimensions. (5) Information is fed back to the CAD, the design of the protection tube is changed, and the simulation is performed again.

FIG. 7 is a data flow diagram in the board / rack vibration analysis system according to the embodiment of the present invention. This corresponds to claims 6, 7, 8, 9, and 10 in the claims. 7 in the figure
01 indicates a control panel specification DB, 711 indicates a thermal noise vibration analysis simulation, and 712 indicates deployment connection information.

The procedure in the board / rack vibration analysis system of this embodiment will be described below.

(1) In CAD, information required for board design is fetched from a control board specification DB, equipment specification DB, deployment connection information DB, and standard / design reference DB. (2) In the CAD, first, the arrangement of the devices to be stored in the panel is provisionally arranged according to a rule defined in a design standard based on the device model. The operator performs review and detailed adjustment while referring to the result. (3) Once the arrangement of the equipment is determined, the wiring and the piping route in the panel are determined, and the mounting position of the wiring duct piping is determined. (4) Once the board outline and the arrangement of storage devices are determined above,
Check for interference between devices. In this interference check, the maintenance space of the equipment is also taken into consideration. (5) If redesign is necessary as a result of the interference check, the procedure returns to (2), and the operator performs rearrangement or changes the board dimensions. If there is no problem, create an outline drawing, and at the same time, create related drawings such as equipment installation drawings, wiring route drawings, assembly drawings, etc.
Data is stored in the outline drawing DB. (6) A simulation model is created based on the outline drawing data, and a heat flow analysis, vibration analysis, electric system noise analysis, and the like in the panel are performed. (7) In the thermal analysis, when the calorific value of each equipment is input, the equipment and parts layout are designed while collating the preset design standard database including various standards and know-how, and the board / rack / unit is designed. Automatically calculates the internal temperature distribution. If the result deviates from the standard of the temperature in the panel, the portion is discolored on the screen to be recognized by the operator. In addition, based on the results of the heat flow analysis, automatic analysis is performed on the heat distribution when an air-cooling fan is mounted near the panel surface where the heat flux is concentrated, and the result is also recognized by the operator.

(8) The operator refers to the CAD data and
The optimal design is implemented in and the thermal simulation is confirmed again. (9) In the noise analysis, the cable route diagram from the sensor to the unit, the power cable route diagram in the plant, the position and intensity data of the noise source are taken from the upstream design database, and the signal level of each device is input. Simulation of noise distribution in the panel. Further, the result is compared and confirmed with the noise resistance level of the unit of the design standard database including various standards and know-how set in advance, and OK / NG is displayed on the screen for each unit so that the operator can recognize it.

As described above, according to the nuclear instrumentation design support integrated CAE system of this embodiment, the upstream system design specification data is connected to the design CAD tool and the analysis tool, and the results of various analyzes are performed to determine detailed specifications. Automatically design equipment while reflecting it, extract information about the control panel or rack from each database, and automatically create various drawings of the control panel or rack while checking for interference between equipment considering maintenance space. Since data that can be supplied to an analysis tool related to a control panel or a rack is generated, a nuclear instrumentation design support integrated CAE system having the following effects can be provided.

(1) For example, in the process instrumentation design of a nuclear facility such as a nuclear power plant, it is possible to use CAD and analysis tools based on the upstream system design specifications to automatically design equipment such as specification determination. The design efficiency and design quality can be improved.

(2) It is possible to provide an on-site confirmation tool for a work procedure at the time of maintenance and replacement of an instrument in a periodic inspection based on the above information, thereby eliminating work errors.

(3) The finite element model for vibration analysis is automatically generated by selecting and inputting the shape and structural material of the instrumentation rack and control panel, and the articles and instruments to be stored, and the eigenvalue analysis and frequency analysis of vibration. In addition, the calculation up to the stress calculation can be automatically performed, and the efficiency of the vibration analysis can be greatly improved.

(4) The eigenvalue analysis can be easily performed even if the user is not proficient in analysis techniques or CAD.

[0078]

As described above, according to the present invention, the upstream system design specification data is connected to the design CAD tool and the analysis tool, and the results of the various analyzes are reflected in the detailed specification determination, thereby automatically controlling the equipment. Performs design, extracts information on the control panel or rack, automatically creates various drawings of the control panel or rack while checking for interference between devices in consideration of maintenance space, and analyzes the control panel or rack. Since data that can be supplied to the tool is generated, a nuclear instrumentation design support system having the following effects can be provided.

(1) For example, in the process instrumentation design of a nuclear facility such as a nuclear power plant, it is possible to use CAD and analysis tools based on upstream system design specifications to automatically design equipment such as specification determination. The design efficiency and design quality can be improved.

(2) It is possible to provide an on-site confirmation tool for a work procedure at the time of maintenance and replacement of an instrument in a periodic inspection based on the above information, thereby eliminating work errors.

(3) The finite element model for vibration analysis is automatically generated and the eigenvalue analysis and frequency analysis of vibration are performed by selecting and inputting the shape and structural material of the instrumentation rack and control panel, and the articles and instruments to be stored. In addition, the calculation up to the stress calculation can be automatically performed, and the efficiency of the vibration analysis can be greatly improved.

(4) The eigenvalue analysis can be easily performed even if the user is not proficient in analysis techniques or CAD.

[Brief description of the drawings]

FIG. 1 is a functional block diagram showing an outline of a nuclear instrumentation design support integrated CAE system according to the present invention.

FIG. 2 is a block diagram showing a configuration of an automatic design support system related to process instrumentation design according to the embodiment of the present invention.

FIG. 3 is a block diagram showing a configuration of a board / rack vibration analysis system according to the embodiment.

FIG. 4 is a block diagram showing a software configuration of the board / rack vibration analysis system of the embodiment.

FIG. 5 is a block diagram showing an analysis flow of the board / rack vibration analysis system of the embodiment.

FIG. 6 is a block diagram showing a structural material setting example of the board / rack vibration analysis system according to the embodiment.

FIG. 7 is a block diagram showing a creation example of the board / rack vibration analysis system of the embodiment.

[Explanation of symbols]

121: Plant simulation system, 122
…… System design specification DB, 123 …… Analysis system / D
B, 124: Device design specification DB, 125: Manufacturing test data DB, 126: Device simulation system / DB, 127: Maintenance data DB, 128: Design criteria DB, 131: CAE subsystem, 132 ... C
AD subsystem, 133 ... CIM subsystem, 1
34 CAM subsystem, 135 CAT subsystem.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Taisuke Uemura 1 Toshiba-cho, Fuchu-shi, Tokyo F-term in the Fuchu plant of Toshiba Corporation 2G075 AA01 BA20 CA49 FC10 FC20 GA16 GA24 GA25 5B046 AA02 BA02 BA05 CA09 JA04 KA05

Claims (10)

[Claims] 1. In a nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, an upstream system design specification data is connected to a design CAD tool and an analysis tool, and a result of various analyzes is performed to determine a detailed specification. A nuclear instrumentation design support system comprising design support means for performing automatic design of equipment while reflecting the design. 2. In a nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, an upstream system design specification data is connected to a design CAD tool and an analysis tool, and a result of various analyzes is performed to determine a detailed specification. Design support means for automatic design of equipment while reflecting it, and operation characteristic confirmation means for confirming plant operation characteristics by feeding detailed analysis results related to instrumentation equipment to a system for simulating the plant operation situation upstream A nuclear instrumentation design support system characterized by: 3. In a nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, an upstream system design specification data is connected to a design CAD tool and an analysis tool, and a result of various analyzes is performed to determine a detailed specification. A design support means for automatic design of equipment while reflecting it, and a database of basic design specifications such as heat, earthquake resistance, noise resistance, etc. created in the upstream process while detailed design data is created in the downstream process A nuclear instrumentation design support system comprising: a validity checking means for checking the validity by feedback. 4. In a nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, an upstream system design specification data is connected to a design CAD tool and an analysis tool, and a result of various analyzes is performed to determine a detailed specification. A design support means for automatically designing the equipment while reflecting the information; a storage means for storing information on plant piping system design specifications, process conditions, and equipment design specifications; and a tank based on the information stored in the storage means. Validation means for calculating the mechanical optimum strength of the sensor equipment provided in the tank, piping, etc. during the flow analysis of the piping and the like, reflecting the result in the design of the sensor equipment and checking the validity in the plant design. A nuclear instrumentation design support system characterized by comprising: 5. A nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, wherein upstream system design specification data is connected to a design CAD tool and an analysis tool, and the results of various analyzes are performed to determine detailed specifications. A design support means for automatically designing the equipment while reflecting the information; a storage means for storing information on plant piping system design specifications, process conditions, and equipment design specifications; and a tank based on the information stored in the storage means. It simulates the flow of pipes, etc., analyzes the response speed of heat, flow rate, flow velocity, vibration, etc. of sensor equipment installed in tanks, pipes, etc. A nuclear instrumentation design support system, comprising: a validity checking means for checking performance. 6. A nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, wherein information relating to piping system design, process design, equipment design, and control panel / equipment layout design relating to nuclear instrumentation engineering is accumulated. Means for extracting control panel or rack information from the storage means and automatically creating an outline drawing, an assembly drawing, and an individual device installation drawing of the control panel or rack while checking for interference between devices in consideration of maintenance space. And a creating means for generating data connectable to an analysis tool for heat, noise, vibration, etc. relating to the control panel or rack. 7. A nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, wherein information relating to piping system design, process design, equipment design, and control panel / equipment layout design relating to nuclear instrumentation engineering is accumulated. Means for extracting control panel or rack information from the storage means and automatically creating an outline drawing, an assembly drawing, and an individual device installation drawing of the control panel or rack while checking for interference between devices in consideration of maintenance space. In addition, creating means for generating data that can be connected to analysis tools such as heat, noise, and vibration related to the control panel or rack, and CAD for performing thermal analysis on the control panel, rack, unit, and equipment The hardware conditions such as the completed shape are fetched from the upstream database, and based on the input of the calorific value etc. of each device,
Design support means for designing equipment and component layout while checking against a database of design standards including various preset standards and know-how, automatically calculating the temperature distribution in panels / rack / units, and performing optimal design. A nuclear instrumentation design support system characterized by the following. 8. A nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, comprising: storage means for accumulating information on piping system design, process design, equipment design, and control panel / equipment layout design related to nuclear instrumentation engineering. Extracting information on the control panel or rack from the storage means, and automatically creating an outline drawing, an assembly drawing, and an installation drawing of each device while performing interference check between devices in consideration of a maintenance space. In addition, creating means to generate data that can be connected to analysis tools such as heat, noise, vibration, etc. related to the control panel or rack, and already created by CAD when performing thermal analysis of the control panel, rack, unit and equipment The hardware conditions such as the shape of the device are fetched from the upstream database, and based on the input of the calorific value of each device,
The first design support means that designs equipment and parts layout while comparing it with a database of design standards including preset various standards and know-how, automatically calculates the temperature distribution in panels / rack / units and performs optimal design. A nuclear instrumentation design support system, comprising: a second design support means for automatically designing external environmental conditions necessary for maintaining the performance of the equipment and performing an optimal design of an air-cooled equipment or the like. 9. A nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, comprising: storage means for accumulating information on piping system design, process design, equipment design, and control panel / equipment layout design related to nuclear instrumentation engineering. Extracting information on the control panel or rack from the storage means, and automatically creating an outline drawing, an assembly drawing, and an installation drawing of each device while performing interference check between devices in consideration of a maintenance space. In addition, a creation means for generating data that can be connected to analysis tools such as heat, noise, vibration, etc. related to the control panel or rack, and a cable route diagram from the sensor to the unit when performing noise analysis of the unit and equipment, The power cable route map in the plant, and the location and intensity data of noise sources are collected from the upstream database. Noise characteristic checking means to perform noise simulation based on the input of the signal level etc. of each device and check the noise characteristics of the unit's noise resistance while checking it against a database of design standards including various preset standards and know-how A nuclear instrumentation design support system characterized by comprising: 10. A nuclear instrumentation design support system for supporting instrumentation design of a nuclear facility, wherein information relating to piping system design, process design, equipment design, and control panel / equipment layout design relating to nuclear instrumentation engineering is accumulated. Means, based on the information stored in the storage means, determine the specifications of the instruments to be used in the process instrumentation, and provide details around the instruments such as the seismic support design necessary for maintaining the instrument performance and the heat dissipation design of the instrument mounting plate. A nuclear instrumentation design support system, comprising: design support means for performing a design.