JP2007109221A - Part management system, part management method, program and recording medium - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a part management system allowing easy recognition of a part extracted from three-dimensional model data to improve retrievability. <P>SOLUTION: This part management system extracts data on each of the parts constituting a designated three-dimensional model in reference to parts constitution information and the three-dimensional model data, stores and manages them in an extraction data storage part 17, searches the extraction data storage part 17 by designated retrieval information, and displays a single body of each of the retrieved parts and an installation drawing wherein only the retrieved part is enhanced. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a parts management system, a parts management method, a program, and a recording medium.

  Conventionally, in a parts management system based on 3D model data, each part is managed by a part number or part name, and only the part number or part name or the corresponding part is drawn in 3D in the search results. It was only displayed.

  For example, in Patent Document 1, by performing the following processing, a bill of materials for one model of a product is quickly created from a drawing created by a designer without drawing it on paper. I am trying to provide it. In the design terminal, a drawing is created and stored in the created drawing file, the input attribute information is stored in the attribute information file, and search data including a stratified symbol and a search product name is sent to the management terminal by the numbering request means. . The management terminal assigns a serial number next to the registered figure number as a new figure number and transfers the figure number to the design terminal. When a registration request is made, the registration terminal registers the graphic data in which the figure number is incorporated as image data, and the search data and figure number as character data. The attribute information is registered in the attribute information file and constitutes a database made up of item information and configuration information. At the time of creating a parts table, a part table that describes product names, standards, and the like that define the interrelationships of the parts that make up the product is created using the item information and configuration information registered in the database.

JP-A-6-176085

  However, as the number of parts increases, it is difficult to recognize where the parts are used simply by looking at the parts alone, and it is not easy to find the target part. Also, since the internal parts are not visible in the assembled state, it is necessary to create a so-called exploded view that unfolds the parts and displays them side by side. Cost was also high.

  However, in the technique of the above-described Patent Document 1, the component information registered in the database is extracted and output as a form, but the method for displaying each part is not mentioned.

  The present invention has been made in view of the above, and provides a parts management system, a parts management method, a program, and a recording medium that make it easy to recognize parts extracted from three-dimensional model data and improve searchability. The purpose is to provide.

  In order to solve the above-described problems and achieve the object, the invention according to claim 1 refers to the 3D model data and the part configuration information, and extracts data of each part constituting the specified 3D model. Data extracting means for storing in the extracted data storage unit, data managing means for managing the data in the extracted data storing means, and data searching means for inquiring the data managing means with designated search information and receiving the search results Search result display means for displaying a list of search results received from the data search means, and part display means for displaying a single unit of each searched part and an assembly drawing highlighting only the searched part. It is characterized by providing.

  Further, the invention according to claim 2 is characterized in that the parts display means draws parts other than the searched parts in a translucent manner and displays an assembly drawing in which only the searched parts are shaded.

  The invention according to claim 3 is characterized in that the part display means draws a part other than the searched part with a wire frame and displays an assembly drawing in which only the searched part is shaded.

  The invention according to claim 4 is characterized in that the data management means renders part data in advance, stores image data obtained by the rendering, and displays the data on the parts display means. .

  The invention according to claim 5 is characterized in that the part display means makes a display ratio of parts variable.

  The invention according to claim 6 is characterized in that the part display means freely rotates the part.

  The invention according to claim 7 is characterized in that the parts display means displays a plurality of corresponding parts with emphasis.

  In the invention according to claim 8, the data extracting means also extracts the extracted part data and the two-dimensional image data of the parts stored in advance, and stores them in the extracted data storage unit. When displaying the assembly drawing, the two-dimensional image data of the retrieved part is extracted from the extracted data storage unit and displayed.

  The invention according to claim 9 refers to the three-dimensional model data and the part configuration information, extracts the data of each part constituting the designated three-dimensional model, and stores and manages it in the extracted data storage unit. In addition, the extracted data storage unit is searched with designated search information, and a single part of each searched part and an assembly drawing in which only the searched part is emphasized are displayed.

  According to a tenth aspect of the present invention, there is provided a computer that realizes the function of the parts management system according to any one of the first to eighth aspects.

The invention according to claim 11 is a computer-readable recording medium on which the program according to claim 10 is recorded.

  According to the present invention, when a part extracted from three-dimensional model data is assembled and displayed, the assembly position of the searched part is highlighted, thereby eliminating the production of an exploded view and improving the recognition of the corresponding part. There is an effect.

  Further, by displaying the parts other than the searched parts in a translucent manner or by displaying them in a wire frame, the searched parts can be highlighted.

  Further, when image data in which parts are rendered in advance is stored and an assembly drawing is displayed, the display speed can be improved by using the stored image data.

  In addition, since the assembly drawing can be displayed in an enlarged / reduced manner or rotated, the retrieved parts can be viewed from any angle.

  Exemplary embodiments of a parts management system, a parts management method, a program, and a recording medium according to the present invention are explained in detail below with reference to the accompanying drawings.

(Embodiment)
FIG. 1 is a hardware configuration diagram to which a parts management system according to an embodiment of the present invention is applied. In FIG. 1, the parts management system temporarily stores a CPU 1 that operates according to a program, its program and various data. A memory (for example, ROM, RAM, etc.) 2 to be stored in, an external storage device (for example, a hard disk device) 3 for storing programs and various data, a keyboard, a mouse, etc. and various data including three-dimensional shape data And an input device 4 for inputting instructions, a display device 5 for displaying a three-dimensional shape model, and the like.

  FIG. 2 is a functional configuration diagram of the parts management system according to the embodiment of the present invention. As shown in FIG. 2, the parts management system according to the present embodiment refers to a specified three-dimensional model by referring to a three-dimensional model data storage unit 15 and a part configuration information storage unit 16 in addition to a normal parts management function. A data extraction unit 13 that extracts data of each part constituting the model and stores it in the extraction data storage unit 17, a data management unit 14 that manages data stored in the extraction data storage unit 17, and a search input by the user A data search unit 10 that inquires the data management unit 14 with information and receives search results, a search result display unit 11 that displays a list of search results, a single display of each searched part, and only the searched parts The highlighted part display unit 12 is configured to display the assembly drawing.

  Each of the above-described processing units is realized by configuring the functions of the parts management system by a program and executing the program using hardware including the CPU 1, the memory 2, the input device 4, the display device 5, and the like. Each storage unit is realized using the memory 2 or the external storage device 3.

  The three-dimensional model data storage unit 15 records the shape, size, name, and assembly state of each part. The parts configuration information storage unit 16 stores the configuration of each part. For example, in the case of a printer, a certain part group, such as an exterior unit, a paper feeding unit, and a writing unit, is used as a unit, and one unit is configured by combining the units. Information and information necessary for managing each part, for example, part name, unit name, part number, size, assembly state, and the like are recorded.

  The data extraction unit 13 searches for information necessary for displaying parts, such as the shape, size, and assembly state of each part, as well as the part name, unit name, and part number, from the 3D model data and part configuration information. Necessary information is extracted and registered in the extracted data storage unit 17.

  The data management unit 14 manages the data stored in the extracted data storage unit 17 and sends out information stored in response to requests from the data search unit 10, the search result display unit 11, and the parts display unit 12.

  The data search unit 10 receives the search information from the input device 4 and inquires the data management unit 14 about the input search information. The data management unit 14 searches the part information registered in the extracted data storage unit 17 based on the search information, and transmits a search result list to the data search unit 10.

  The data search unit 10 passes the received search result list to the search result display unit 11. The search result display unit 11 displays the search result list received from the data search unit 10 on the display device 5. This result list is a list of part names, unit names, part numbers, and the like.

  Since the user does not know from the search result list whether the part is a desired part and where the part is incorporated, the part display unit 12 is activated.

  The parts display unit 12 takes out the individual parts and the assembly state of each part in the search result list from the extracted data storage unit 17, displays the individual parts, and displays the assembly drawing on the display device 5. Here, the display of the parts alone may be a shading drawing or a wire frame display.

  In addition, the assembly drawing means an overall image in a state where all parts are assembled. For example, in the case of a printer, all the parts constituting the printer are drawn and the overall image of the printer is displayed. Is.

  FIG. 3 is a flowchart showing processing operations of the data extraction unit 13 and the data management unit 14 according to the embodiment of the present invention. This processing operation is centrally executed by the CPU 1. As shown in FIG. 3, first, the data extraction unit 13 extracts information necessary for displaying parts and information necessary for searching for parts from the three-dimensional model data and part configuration information (step S101). Subsequently, the data management unit 14 records the extracted information (step S102).

  FIG. 4 is a flowchart showing processing operations of the data search unit 10, the search result display unit 11, and the parts display unit 12 according to the embodiment of the present invention. This processing operation is centrally executed by the CPU 1. As shown in FIG. 4, first, the data search unit 10 acquires search information from the user, searches for part information registered in the data management unit 14, and generates a search result (step S201). Subsequently, the search result display unit 11 displays a list of search results (step S202). As a result, the user can view any part from the list. Subsequently, the parts display unit 12 displays an assembly drawing of the part selected by the user in the search result list (step S203).

  As described above, in the present invention, when the assembly drawing is displayed on the parts display unit 12, only the ridge line of the searched part is drawn and highlighted, for example, with a bold red line, so that the part is located on which part of the printer. It is shown whether it is being used, and the searchability of parts can be improved.

  Here, when the parts display unit 12 displays the assembly drawing, as illustrated in FIG. 4, the parts display unit 12 renders the parts other than the searched parts translucently, and only the searched parts are shaded. Since the searched parts are displayed more clearly, it is possible to improve the recognition of the parts and improve the searchability.

  Alternatively, as illustrated in FIG. 5, other than the searched part is drawn with a wire frame, and only the searched part is drawn by shading, so that the searched part is displayed more clearly. Improve parts recognition and search performance. Shading is a method of shading a surface from position information of a light source, an object, and a viewpoint.

  Further, the parts display unit 12 receives zoom information (zoom stage for reduction or enlargement) designated by the input device 4 and displays an assembly diagram corresponding to this zoom information as illustrated in FIG.

  In this way, the display ratio of parts is variable, that is, enlarged display and reduced display are possible, so that multiple parts enter and enlarge even parts that are difficult to recognize, so that the recognizability of searched parts can be improved. Improvement can be achieved.

  Further, the parts display unit 12 receives the viewpoint information designated by the input device 4 (the direction in which the user views the assembly drawing), and as illustrated in FIG. 6, the assembly drawing rotated to the state viewed from this viewpoint information. indicate. In this case, by using the input device 4 to freely change the display direction of the parts displayed on the display device 5 and to change the viewing direction, the recognizability of the searched parts can be improved.

  Further, in the three-dimensional model data storage unit 15, two-dimensional image data rendered in advance by a plurality of viewpoints and a plurality of zoom stages for each of the two-dimensional or three-dimensional model and the parts forming the model, or When the three-dimensional image data is stored and the parts are extracted by the data extraction unit 13, the two-dimensional image data or the two-dimensional image data is also extracted and stored in the extraction data storage unit 17. Rendering refers to rendering, for example, three-dimensional graphics into an image by calculating information about an object or figure given as numerical data. In the rendering of 3D graphics, an image is created by performing hidden surface removal, shading, and the like in consideration of the position of the viewpoint, the number and position of light sources, the type of object, the coordinates of the vertex, and the material.

  An example of the display is shown in FIG. Here, in the data management unit 14, the part data is rendered in advance and stored as image data. That is, as shown in FIG. 7, the part image data 15a obtained by rendering and its information 15b are stored. After that, by displaying each on the parts display unit 12, it is possible to shorten the time until display by eliminating the time required for rendering.

  In this way, when the parts display unit 12 displays a single part display or an assembly drawing, for example, three-dimensional image data of the retrieved part is extracted from the extracted data storage unit 17 and displayed, thereby rendering time. The display speed can be improved, and even a computer with low processing performance can withstand practical use.

  FIG. 8 is an explanatory diagram showing an example of an assembly diagram in which searched parts are displayed at a variable ratio. Here, as shown in FIG. 8, in the parts display unit 12, the display ratio of the parts is variable, that is, enlarged display and reduced display are possible, and even a part that is difficult to recognize due to multiple parts entering can be enlarged. Thus, the recognition can be improved.

  FIG. 9 is an explanatory diagram illustrating an example of an assembly diagram in which searched parts are displayed from a plurality of viewpoints. Here, as shown in FIG. 9, in the part display unit 12, it is possible to improve the recognizability by freely changing the display direction of the parts and changing the viewing direction.

  FIG. 10 is an explanatory diagram showing an example of highlighted display of searched parts. Here, as shown in FIG. 10, by recognizing a plurality of parts in the parts display unit 12, it is possible to improve the recognizability when there are parts having the same shape.

  By the way, all the processing units and storage units of the parts management system described above may be operated on one computer, or in the parts management server, the data extraction unit 13, the data management unit 14, and the three-dimensional model data storage The unit 15, the part configuration information storage unit 16 and the extracted data storage unit 17 are operated, and the data search unit 10, the search result display unit 11, and the part display unit 12 are operated on another computer connected to the parts management server via a network. You may comprise as follows.

  The present invention is not limited to the embodiments described above. Each function constituting the parts management system of the above-described embodiment is programmed and written in a recording medium in advance, and these programs recorded in the recording medium are stored in a memory or a storage device provided in the computer. Needless to say, the object of the present invention is achieved by executing the program. In this case, the program itself read from the recording medium realizes the functions of the above-described embodiment, and the program and the recording medium on which the program is recorded also constitute the present invention.

  In addition, the program includes a case where the functions of the above-described embodiment are realized by processing in cooperation with an operating system or another application program based on an instruction of the program.

  Note that a program that realizes the functions of the above-described embodiments includes a disk system (for example, a magnetic disk, an optical disk, etc.), a card system (for example, a memory card, an optical card, etc.), and a semiconductor memory system (for example, a ROM, a nonvolatile memory). The recording medium may be provided in any form such as a memory or the like, or a tape system (for example, a magnetic tape, a cassette tape, or the like). Alternatively, the program stored in the storage device may be directly supplied from the server computer via the network. In this case, the storage device of this server computer is also included in the recording medium of the present invention.

  As described above, by programming and distributing the functions of the above-described embodiment, the cost can be reduced, and the portability and versatility can be improved.

  As described above, the parts management system, parts management method, program, and recording medium according to the present invention are useful for operations such as assembling products such as factories and service centers or managing the parts in association with each other. It is suitable for systems and software that make it easy to recognize parts extracted from model data and improve searchability.

It is a block diagram which shows the hardware constitutions to which the parts management system concerning embodiment of this invention is applied. It is a block diagram which shows the function structure of the parts management system concerning embodiment of this invention. It is a flowchart which shows the processing operation of the data extraction part and data management part concerning embodiment of this invention. It is a flowchart which shows the processing operation of the data search part, search result display part, and parts display part concerning embodiment of this invention. It is a figure which shows the example of a display of the assembly drawing which displayed the wire frame display except the searched part and made it easy to recognize the searched part. It is a figure which shows the example of a display of the assembly drawing which displayed other than the searched part translucently and made it easy to recognize the searched part. It is explanatory drawing which shows the example which memorize | stores and displays the image data rendered beforehand. It is a figure which shows the example of a display of the assembly drawing which displayed the searched parts by variable magnification. It is a figure which shows the example of a display of the assembly drawing which displayed the searched parts from the several viewpoint. It is explanatory drawing which shows the example of the highlight display of the searched parts.

Explanation of symbols

1 CPU
2 Memory 3 External storage device 4 Input device 5 Display device 6 Bus 10 Data search unit 11 Search result display unit 12 Parts display unit 13 Data extraction unit 14 Data management unit 15 3D model data storage unit 16 Parts configuration information storage unit 17 Extraction Data storage unit

Claims (11)

Data extraction means for referring to the three-dimensional model data and the part configuration information, extracting data of each part constituting the specified three-dimensional model and storing it in the extracted data storage unit;
Data management means for managing data in the extracted data storage means;
Data search means for inquiring the data management means with designated search information and receiving search results;
Search result display means for displaying a list of search results received from the data search means;
Parts display means for displaying each searched part alone and an assembly drawing highlighting only the searched part;
A parts management system comprising:   2. The parts management system according to claim 1, wherein the parts display unit draws parts other than the searched parts in a translucent manner and displays an assembly drawing in which only the searched parts are shaded.   2. The parts management system according to claim 1, wherein the parts display means draws parts other than the searched parts with a wire frame and displays an assembly drawing in which only the searched parts are shaded.   2. The parts management system according to claim 1, wherein the data management means renders part data in advance, stores image data obtained by the rendering, and displays the image data on the parts display means.   The parts management system according to any one of claims 1 to 4, wherein the parts display means makes a display ratio of parts variable.   The parts management system according to claim 1, wherein the parts display unit freely rotates the parts.   The parts management system according to claim 1, wherein the parts display unit displays a plurality of corresponding parts in an emphasized manner.   The data extraction means also extracts the extracted part data and the two-dimensional image data of the parts stored in advance, and stores them in the extracted data storage unit. The parts display means searches when displaying the assembly drawing. The part management system according to any one of claims 1 to 7, wherein the two-dimensional image data of the selected part is extracted from the extracted data storage unit and displayed.   By referring to the 3D model data and the part configuration information, the data of each part constituting the specified 3D model is extracted and stored in the extracted data storage unit, and the extraction is performed with the specified search information. A part management method characterized by searching a data storage unit and displaying a single part of each searched part and an assembly drawing highlighting only the searched part.   The program for making a computer implement | achieve the function of the parts management system as described in any one of Claims 1-8.   A computer-readable recording medium on which the program according to claim 10 is recorded.