JP4717520B2 - Blueprint management program, blueprint management system, and blueprint management method - Google Patents

Description

  The present invention relates to a design drawing management system used to create and change a design drawing of an assembly including various models using CAD, and in particular, CAD data for expressing parts of the same shape model on the drawing. The present invention relates to a design drawing management system that can manage a plurality of files that store data and use CAD data according to the degree of expression of a design object.

  There is a design drawing management system that is used when a design work for creating a design drawing for a new model or changing a design drawing for an old model is performed using CAD. This design drawing management system stores CAD data for representing parts of the same shape model on a drawing in one file, and the CAD data created each time new CAD data is created is stored in another file. Each file is stored separately, and multiple files are managed.

  By the way, when design work is carried out by a team of several people using CAD, CAD data of common parts (hereinafter simply referred to as data) is made common (standard) and shared with each person in order to improve work efficiency. It is desirable that However, depending on the scope of the design work in charge (whether the target is a large assembly (a collection of various parts) or a small assembly), the details of the representation of common parts on the drawing differ. Few CAD data for parts of the same shape model are used in design work.

  More specifically, in the development and design department for small assemblies, the CAD data of the common part that is a component of the small assembly is used to generate the small assembly by using the CAD data of the common part that expresses features (features) in detail. Design, but in the development design department that targets large assemblies, designing large assemblies using CAD data of common parts that represent features in detail makes the load on the system heavy and slows down the operation of the CAD. A large assembly is designed using CAD data that roughly represents features even if it is CAD data of common parts. In this way, the design engineer decides whether the feature expression level should be finer or coarser as necessary, and creates CAD data of common parts with the required expression level and stores it in a file. Yes. Therefore, even if it is CAD data for the same common part, CAD data having different degrees of expression is generated for each person in charge of design, so that there are a plurality of CAD data for the same common part in the system. It is not desirable for management.

  However, the invention described in Patent Document 1 can easily verify the specification of the specific device by using a circuit simulator that analyzes the operation of the electronic circuit including the specific device as a component using a simulation circuit model describing the electronic circuit. In order to achieve this, a device development support system is provided in which several model models are created in advance for a model of a specific device that has already been created, and verification of the specific device is simulated using these model models. Is. In the present invention, which model model is used is not determined by the system but is specified and input by the user.

JP 2002-73710 A (see [Claim 1], paragraph numbers [0004] to [0007] of the specification and FIG. 1 of the drawings).

  However, according to the invention described in Patent Document 1, when designing a specific device having parts of the same shape model, all of the features (features) differ depending on the degree of expression of features (features) depending on the range of design work in charge. It does not provide a device development support system that can use CAD data for parts of the same shape model in design work. Therefore, there is a problem that it is impossible to design an assembly including various models using CAD data according to business while sharing CAD data for parts of the same shape model.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a design drawing management system for enabling the use of CAD data for parts of the same shape model according to business while sharing data of the same model.

The blueprint management program that achieves the above object receives a selection of a part and a design scale from a user's terminal in a computer, and based on the received part and the design scale, a plurality of design scales of the part. With reference to the storage means in which design drawing data with different levels of detail are stored in association with each other, the design drawing data with the level of detail corresponding to the design scale for which the selection has been received is obtained for the component that has received the selection. Then, a process of outputting the acquired design drawing data to the terminal of the user is executed .

The blueprint management system that achieves the above object includes an input unit that accepts selection of a part and a design scale from a user's terminal, and blueprint data having different levels of detail corresponding to each of the plurality of design scales of the part. A design diagram of the degree of detail corresponding to the design scale accepted for the selection of the parts accepted for the selection with reference to the storage means based on the stored storage means, the part accepted for the selection and the design scale Data acquisition means for acquiring data, and output means for outputting the acquired design drawing data to the terminal of the user.

  In the design drawing management method for achieving the above object, a computer receives a selection of a part and a design scale from a user's terminal, and a plurality of design scales of the part are selected based on the received part and the design scale. With reference to the storage means in which design drawing data with different levels of detail are stored in association with each other, the design drawing data with the level of detail corresponding to the design scale for which the selection has been received is obtained for the component that has received the selection. The obtained design drawing data is output to the terminal of the user.

  ADVANTAGE OF THE INVENTION According to this invention, the management system of the design drawing for enabling the CAD data with respect to the components of the same shape model to be usable according to the business can be provided while sharing the data of the same model.

  As a result, the CAD data of standard parts designed by the designer individually or for each department to which the designer belongs can be integrated and managed by the entire company such as a company including a plurality of departments.

In addition, it is possible to select the data with fineness according to the business without directly inputting the data.
Further, it is not necessary to store various models of data for each user.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is an overall configuration diagram showing an embodiment of a design drawing management system according to the present invention. The management system 1 shown in FIG. 1 includes a CAD meta server 10, a CAD file server 20, a first client terminal 31, a second client terminal 32, and at least one other client terminal (not shown). The servers 10 and 20 and the first client terminal 31 are connected to each other via a local area network (LAN) 2 so that they can communicate with each other. The second client terminal 32 is connected to the LAN 2 via the wide area network (WAN) 3, and is connected to the servers 10 and 20 and the first client terminal 31 via the LAN 2. A client terminal (not shown) is connected to the LAN 2 directly or via the WAN 3. The servers 10 and 20 are general workstations, and the client terminals 31 and 32 are personal computers usually used today.

  The CAD metaserver 10 manages location information of a file storing CAD data and status information indicating a degree of expression of a design target of CAD data stored in the file. A database described below with reference to FIGS. 2 and 3 is stored in the auxiliary storage device 11 of the server 10 itself. The CAD file server 20 stores a file storing CAD data described below with reference to FIGS. 2 and 3 in the auxiliary storage device 21 of the server 20 itself. Each of the first, second and unillustrated client terminals has a function of calling CAD data stored in the CAD file server 20 to its own terminal via a CAD data management tool (application program) provided in the CAD meta server 10. And functions as a three-dimensional (3D) CAD.

  2 is a diagram showing details of the management system shown in FIG. 1, FIG. 3 is a diagram showing a data structure managed by the management system of the present invention, and (A) is a diagram showing a table for managing parts. And (B) is a diagram showing a file status master table, and (C) is a diagram showing a usage master table. All tables shown in FIG. 3 are stored in the auxiliary storage device 11 of the CAD metaserver 10 as a database.

  FIG. 2 shows a specific example of an assembly tree composed of a plurality of parts stored in the auxiliary storage device 11 of the CAD metaserver 10. In this assembly tree, A, B, and C are names of designers, and Top1, Sub1, Part1, and Part2 are part names. The assembly tree also includes first and second assembly trees. The first assembly tree indicates that the first assembly Top1, which is the main assembly name, is composed of a part Sub1 which is a sub assembly name, and that the subassembly Sub1 is composed of parts Part1 and Part2. The tree indicates that the second assembly Top2, which is the main assembly name, is composed of parts Part1 and Part3.

  In the above assembly tree, Mr. A is a designer of a department that designs a large assembly, Mr. B is a designer of a department that designs a small assembly, and Mr. C is a design of a department that designs common parts. It is a person. Part1 is a common part and is used in Sub1 and Top2 of Top1, and Mr. C is in charge of design. Part 2 and Part 3 are not common parts, Part 2 is used in Sub 1 of Top 1 and Mr. A is in charge of design, while Part 3 is used in Top 2 and Mr. B is in charge of design.

  Each of the client terminals 31 and 32 calls the CAD data stored in the CAD file server 20 via its CAD data management tool provided in the CAD meta server 10 to its own terminal, thereby enabling a design using 3D-CAD. . On the client terminal 31 side, Mr. A calls the first assembly tree with “large-scale design use” (10% of the design object expression level), while on the client terminal 32 side B “small-scale design use” (design target The second assembly tree is called with an expression degree of 100%.

  On the display screen of the client terminal 31, the screws which are parts of Part 1 are displayed in a coarse model of 10% (that is, a model reduced to 10% by omitting fine features). As a result, it is avoided that the CAD operation becomes heavy, and the operation time is shortened. On the other hand, on the display screen of the client terminal 32, the same screw that is a part of Part 1 is displayed in a detailed detailed model of 100% (that is, a model in which features are not omitted).

  The CAD file server 20 stores files storing CAD data in the auxiliary storage device 21. FIG. 2 shows an example of how these files are stored in the auxiliary storage device 21. ing. In FIG. 2, C: ¥ indicates a folder for the entire design target assembly, and vault 1, vault 2, and vault 3 indicate folders for the design target partial assembly. The folder vault1 stores files Top1.asm, Top2.asm, Sub1.asm, Part1.prt, Part2.prt, and Part3.prt. Here, Part1.prt is a file for storing data to be displayed in a detailed fine model with 100% screws. The folder vault2 stores a Part1.prt file displayed with an intermediate model with 50% screws, and the folder vault3 stores a Part1.prt file displayed with a coarse model with 10% screws.

The part management table shown in FIG. 3A shows the name of the part, the name of the person in charge of designing the part, and the data locations such as file 1, file 2, and file 3 constituting the part. Data is stored. Here, the parts are an assembly and the sub-assembly is also regarded as one part.
There can be multiple representation models for the same part, so if there are models with different representation levels, different data allocations are set for each file, and if there are no models with different representation levels, The same data allocation is set for each file. In this example, the part Part1 has three models with different degrees of expression, so the data allocation stored in the file 1, the file 2, and the file 3 are different, and the part Part3 has no model with different degrees of expression. Therefore, the data allocation stored in the file 1, the file 2 and the file 3 is the same.

  In the file status master table shown in FIG. 3B, the status corresponding to each file name is 10% model (stored in folder vault 3), 50% model (stored in folder vault 2), 100% model (folder vault 1). Stored) or data indicating the degree of expression of undefined.

  In the usage master table shown in FIG. 3C, for each usage name, the model in charge of the client terminal user (for example, Mr. A) is 10%, 50%, or 100%. Is used, and the model in charge of the user terminal (for example, Mr. C) other than the user (for example, Mr. A) of the client terminal uses 10%, 50%, or 100%. Is set. The application name has four entries (small-scale design, large-scale design, rough analysis, and detailed analysis).

FIG. 4 is a flowchart of processing by the management system of the present invention.
In step S1, the user of the first client terminal 31 selects an assembly to be loaded into the CAD, for example, the first assembly Top1.

  In step S2, the user (Mr. A) of the first client terminal 31 extracts a usage list from the usage name column of the usage master table shown in FIG. 3C, and selects one of the usages in the table. For example, a small-scale design is selected from four entries (small-scale design, large-scale design, rough analysis, and detailed analysis) defined in the application master.

  In step S3, a file to be extracted from the CAD file server 20 is selected by an internal operation (processing of the CAD meta server 10 of the management system). As an example, when Mr. A selects Top1, files of Sub1, Part1, and Part2 that are data of parts constituting Top1 and Top1 are selected as files to be extracted.

  In step S4, the file is extracted based on the usage master information (C in FIG. 3) selected by the user (Mr. A) by an internal operation (processing of the CAD metaserver 10 of the management system). More specifically, the processes of steps S4-1 to S4-3 are executed.

  In step S4-1, referring to the usage master table shown in FIG. 3C, based on the usage name selected by the user in step S2, the “state name” (information on the degree of expression) of the file is obtained. get.

  In step S4-2, a file name corresponding to “status name” is acquired with reference to the file status master table shown in FIG.

In step S4-3, the file is extracted from the file name column acquired in step S4-2 in the component information table shown in FIG. As an example, when Mr. A selects the use of large-scale design, the extracted file is as follows.
・ As Mr. A is in charge of TOP1, the files to be extracted are Sub1, Part1, and Part2 that constitute TOP1 in addition to TOP1.
-File Top1: Since Mr. (A) is the file in charge of design, the state name = 100% model, file name = file 3, and the file to be extracted = c: \ vault1 \ Top1.asm
File Sub1: Since Mr. (A) is the file in charge of design, the state name = 100% model, the file name = file 3, and the file to be extracted = c: \ vault1 \ Sub1.asm.
-File Part1: Since another person (Mr. C) is in charge of design, state name = 10% model, file name = file 1, and extracted file = c: \ vault3 \ Part1.part.
-File Part 2: Since I (Mr. A) is the file in charge of design, the state name = 100% model, file name = file 3, and the file to be extracted = c: \ vault1 \ Part2.prt.

In step S5, the file extracted from the CAD file server 20 is read into the 3D-CAD of the first client terminal 31 by an internal operation (processing of the CAD meta server 10 of the management system).
When the user receives a specification of his / her design use (small design, large design, rough analysis or detailed analysis), the system determines the file to be called and the degree of expression of the file. Judgment and output necessary files. Accordingly, if the user designates and inputs his / her design use purpose, the user can automatically obtain a file having an expression level necessary for himself / herself. In addition, since files with different expression levels for common parts can be managed in a unified manner, management efficiency is high.

  In the embodiment of the present invention described above, the two servers of the CAD meta server 10 and the CAD file server 20 are used. However, the present invention can be implemented by incorporating the functions of the two servers into one server. Needless to say. Further, when the amount of CAD data to be stored is small, as another embodiment, the server function is provided in each of a plurality of terminals provided with 3D-CAD without providing a server. It is also possible to apply the present invention to jointly develop a blueprint for a particular assembly.

(Appendix 1)
In a blueprint management system created using CAD,
First storage means for generating, for each model, CAD data of a plurality of models having different representation levels with respect to a model of the same shape, and storing and storing the CAD data in a file;
Information related to the model designer, CAD data of the model and the file storing the model, information indicating the file state in which the model expression level is set, and the model expression level corresponding to a plurality of usage purposes Second storage means for storing usage information for which is set;
Means for outputting CAD data of a model having a different degree of expression according to the use information;
A blueprint management system characterized by comprising:
(Appendix 2)
The second storage means
A parts table for storing information related to a model, a person in charge of designing the model, and a plurality of files storing CAD data of the model;
A file status master table for setting the file name and data indicating the expression level of the model,
A usage master table for setting the expression level of the model for each of the designer in charge of the model and the designer in charge of using the CAD data of the model according to a plurality of usage purposes. The blueprint management system according to appendix 1.
(Appendix 3)
A file storing CAD data of a model corresponding to a designer in charge of the application is searched with reference to the application master table, and a state indicating the degree of model expression for the file is searched with reference to the file status master table. (1) searching for a file storing CAD data of a model indicating the expression level of the model from information of the searched file with reference to the component table, and outputting CAD data of the model stored in the searched file The blueprint management system according to 2.
(Appendix 4)
The design management system according to any one of appendices 1 to 3, wherein the CAD data is three-dimensional data.
(Appendix 5)
A program used in a blueprint management system created using CAD,
Generating CAD data of a plurality of models having different representation levels for the same shape model for each model, storing the data in a file, and storing the CAD data;
Information related to the model designer, CAD data of the model and the file storing the model, information indicating the file state in which the model expression level is set, and the model expression level corresponding to a plurality of usage purposes Storing usage information for which is set, and
Outputting CAD data of a model having a different expression level according to the use information;
A program that causes a computer to execute.

1 is an overall configuration diagram illustrating an embodiment of a design drawing management system according to the present invention. It is a figure which shows the detail of the management system shown in FIG. It is a figure which shows the data structure managed by the management system of this invention, (A) is a figure which shows the table which manages components, (B) is a figure which shows the table of a file status master, (C) FIG. 4 is a diagram showing a table of usage masters. It is a flowchart of the process by the management system of this invention.

Explanation of symbols

1 Management system 2 Local area network (LAN)
3 Wide area network (WAN)
10 CAD meta server 20 CAD file server 31, 32 Client terminal

Claims (4)

On the computer,
  Accept selection of parts and design scale from user terminals,
  Based on the part and the design scale for which the selection has been received, the part for which the selection has been received with reference to storage means in which design drawing data having different degrees of detail is stored in association with each of a plurality of design scales of the part The design drawing data of the degree of detail corresponding to the design scale that received the selection is acquired,
  Outputting the acquired design drawing data to the terminal of the user;
  Blueprint management program that executes processing. The level of detail is further set so as to differ depending on whether or not the person in charge of the blueprint is the user. Input means for accepting selection of parts and design scale from the user's terminal;
  Storage means for storing design drawing data of different degrees of detail in association with each of a plurality of design scales of the parts;
  Data acquisition means for referring to the storage means on the basis of the part that has received the selection and the design scale, and for acquiring the design drawing data of the degree of detail corresponding to the design scale that has received the selection of the part that has received the selection When,
  Output means for outputting the acquired design drawing data to the terminal of the user;
  A blueprint management system. Accept selection of parts and design scale from user terminals,
  Based on the part and the design scale for which the selection has been received, the part for which the selection has been received with reference to storage means in which design drawing data having different degrees of detail is stored in association with each of a plurality of design scales of the part The design drawing data of the degree of detail corresponding to the design scale that received the selection is acquired,
  Outputting the acquired design drawing data to the terminal of the user;
  Blueprint management method by computer.

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