JPH07254002A - Cad parts selecting device - Google Patents

Abstract

PURPOSE:To effectively select the parts information for the diagram symbols which are used in a CAD system. CONSTITUTION:A CAD parts selecting device is provided with a parts information data base 12 which stores the information on the actual parts corresponding to various diagram symbols necessary for production of a design drawing of CAD system 11, a parts information retrieving means 14 which extracts the parts information corresponding to the symbols arranged in a CAD drawing designed in the system 11 out of the base 12, a parts information display selecting means 15 which displays the parts information retrieved by the means 14 and also selects the parts information out of those displayed ones by an external instruction, and a parts information writing means 16 which writes the parts information selected by the means 15 into the CAD drawing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a CAD (Computer Utilization Design) system, and more particularly to a CAD component selecting device for performing component selecting work on the CAD system in the design stage of electronic / electrical circuit diagrams and the like. .

[0002]

2. Description of the Related Art In recent years, CA has been used for designing electronic and electric circuit diagrams.
The D system is used. In the CAD system, when an electronic / electrical circuit diagram is created, graphic symbols corresponding to electronic / electrical components used in the design circuit are arranged on the CAD design drawing to create the circuit diagram.

By the way, in the design of electronic and electric circuit diagrams,
In many cases, there are a plurality of electronic / electrical components actually used for one graphic symbol. Therefore, the designer can use the data book, the parts management data sheet, etc. issued by the designer himself for the parts information such as the format, rating, and manufacturer of the parts actually used for the graphic symbols arranged on the CAD design drawing. I'm researching. Then, when arranging the graphic symbols on the CAD drawing on the CAD system, the parts to be actually used are selected, and the part information of the selected parts is manually input to the CAD drawing.

[0004]

As described above, the conventional C
In the AD system, the designer had to associate the electronic / electrical component information to be actually used with all the graphic symbols used in the CAD drawing. However, it was difficult to make the design quality uniform.

Further, since the designer directly inputs the component information for associating the graphic symbols with the components actually used, the designer may manually input the component information, which may result in omission or erroneous input of the component information. For this reason, mistakes were made in the purchase of parts, and work had to be reverted to design in the actual manufacturing stage.

Further, since the work of selecting the parts is complicated, there is a problem that the work of selecting the parts takes a long time and the work efficiency is lowered. The present invention has been made in view of the above circumstances, and when a designer arranges a graphic symbol on a CAD drawing, usable electronic / electrical component information corresponding to the graphic symbol is displayed on the CAD system. Can be recognized,
It is an object of the present invention to provide a CAD part selection device capable of efficiently setting part information for graphic symbols.

[0007]

In order to achieve the above object, the present invention has taken the following means. The present invention corresponding to claim 1 stores, in association with each of the graphic symbols, component information that is information about actual parts corresponding to various graphic symbols that are necessary when creating a design drawing in a CAD system. And a part information retrieval means for retrieving from the part information database part information corresponding to the drawing symbols arranged on the CAD drawing designed by the CAD system. The part information display selecting means for displaying the part information and selecting the part information from the displayed part information according to an instruction from the outside, and the part information selected by the part information display selecting means are the CAD. It is configured to include a component information writing unit to be written in the drawing.

According to the second aspect of the present invention, various drawing symbols necessary for creating a design drawing by the CAD system and part information relating to actual parts corresponding to each drawing symbol are stored. Based on a part information database and a search keyword for a part used in a CAD drawing designed by the CAD system, a graphic symbol corresponding to the search keyword and part information corresponding to the graphic symbol are obtained from the part information database. Displaying the part information retrieved by the part information retrieving means and the part information retrieved by the part information retrieving means, and displaying a particular figure symbol and part information from the displayed symbol and part information according to an instruction from the outside. And a part information display selecting means for selecting the part information display and selecting the drawing symbol and the part information selected by the part information display selecting means in the CAD drawing. It was constructed and a viewing means.

According to the present invention corresponding to claim 3, in the above structure, the component information display selecting means displays the information items of the component information in the horizontal direction of the display screen, and the information in the vertical direction of the display screen. Display means for displaying corresponding part information for each item, and when part information is selected for a certain information item, part information not related to the selected part information is displayed from the part information displayed for other information items. It is composed of information narrowing means to be deleted. The present invention corresponding to claim 4 is configured such that the part information writing means writes at least one of the graphic symbol and the part information in a plurality of locations on the CAD drawing.

[0010]

In the present invention corresponding to claim 1, the component information of various components such as electronic and electrical components actually used corresponding to the graphic symbols used in the CAD drawing is held in the component information database. Then, when the designer issues a component instruction, the component information searching means is activated, and the component information corresponding to the designated component is retrieved from the component information database. The extracted component information is displayed by the component information display selecting means. Further, the designer selects components such as electronic and electrical components actually used by the component information display selecting means. In this way, when the end instruction is input after the selection on the CAD system, the component information writing means is activated,
The part information selected by the part information display selecting means is CAD.
Written to a CAD drawing on the system.

According to the second aspect of the present invention, the symbol information used in the CAD drawing and the component information of the electronic / electrical component actually used corresponding to the symbol are stored in the component information database. Then, when a designer inputs a search keyword for a part, the part information search means is activated, the graphic symbol of the corresponding part and the part information corresponding to the graphic symbol are retrieved from the part information database, and the part information display selecting means is selected. Is displayed on the CAD system. When the designer actually selects a part to be used and gives an end instruction, the part information writing means is activated, and the selected part information / drawing symbol is written in the CAD drawing.

In the present invention corresponding to claim 3, the information items of the component information retrieved by the component information retrieval means are displayed in the horizontal direction by the display means, and the corresponding components are displayed in the vertical direction for each information item. Information is displayed. Then, when the component information is selected for a certain information item, the component information unrelated to the selected component information is deleted from the component information displayed in the other information items.

In the present invention corresponding to claim 4, if the graphic symbol or the component information or the graphic symbol and the corresponding component information regarding a plurality of components are selected as described above,
The parts information writing means writes the data in arbitrary plural places on the CAD drawing of the CAD system.

[0014]

EXAMPLES Examples of the present invention will be described below. FIG. 1 is a functional block diagram conceptually showing the structure of a CAD part selecting apparatus according to an embodiment of the present invention. In the figure,
Reference numeral 11 is a CAD system for creating a CAD drawing. Various graphic symbols necessary for designing electronic / electrical circuits and the like on the CAD system 11 and component information corresponding to each graphic symbol are stored in the component information database 12.
A part selection instruction unit 13 on the CAD system 11 gives a part selection instruction regarding a drawing symbol arranged on a CAD drawing created by the CAD system 11. The component information search unit 14 activated by the component selection instruction input from the component selection instruction unit 13 retrieves the graphic symbol (graphic symbol name) of the component to be selected and the corresponding component information from the component information database 12. The component information retrieval unit 14 retrieves the graphic symbol of the component to be selected and the corresponding component information from the component information database 12 and passes it to the component information display selection unit 15. The component information display selecting unit 15 displays a list of the graphic symbols and the component information searched by the component information searching unit 14 on the CAD system 11 and is instructed from the outside from the displayed graphic symbols and the component information. Select graphic symbols and part information. The writing of the drawing symbol and the component information to the CAD drawing on the CAD system 11 is performed by the component write command 17 created by the component information writing unit 16.

FIG. 2 shows the structure of the parts information database 12. The part information database 12 has a part information data part 22 in which part information is stored and a graphic symbol data part 23 in which graphic symbols are stored. The part information data unit 22 includes graphic symbol names (part-1 ... part-n) 22a used in the CAD system 11 and part information of one real part corresponding to each graphic symbol name (manufacturer name, rating, part code, etc.). 22b).

Here, there are plural kinds of parts information 22b corresponding to one graphic symbol name 22a, and the graphic symbol name "part-
There is also a setting in which the part information “maker 2, rating 2, ... Part code 2” corresponds to “1”.

The graphic symbol data section 23 includes a graphic symbol name 23a having the same name as the graphic symbol name 22a in the part information data section 22 and a symbol mark used in the CAD system 11 corresponding to the graphic symbol name 23a. "Figure symbol"
23b.

As described above, in the part information database 12, the graphic symbols of the CAD system 11 and the part information are stored in correspondence with each other. Next, the operation of selecting and writing the components of the present embodiment configured as described above will be described with reference to the process flow charts of FIGS.

The parts setting instruction section 1 on the CAD system 11
It is assumed that the designer gives a component selection instruction by inputting a search keyword for a component to be selected in 3. In the component information search unit 14, the corresponding graphic symbol name and the corresponding component information based on the search keyword input by the designer in the component setting instruction unit 13 are stored in the component information database 12 shown in FIG.
Further, the search result is displayed and the search result is displayed on the part information display selecting unit 15.

FIG. 3 shows a display example of graphic symbol names and component information displayed by the component information display selecting unit 15. As shown in the upper display example (15) in the figure,
The graphic symbol name 22a corresponding to the designer's component selection instruction and the component information 22b corresponding thereto are displayed in the form of a list. In this list, 31a is a graphic symbol name selection unit, and 32a to 32c are component information selection units. The graphic symbol name selection unit 31a displays various graphic symbol names retrieved by the component information retrieval unit 14, and the component information selection unit 32a.
Similarly, the retrieved component information is displayed in each of the items through 32c for each item.

The parts information database 1 shown in FIG.
When there are a plurality of identical data in each data item such as one graphic symbol name 22a and part information 22b, only one data is displayed.

Next, in the component information display selecting unit 15 having such a display, for example, the graphic symbol name selecting unit 31a
If "part-1" is selected by an external instruction in step 3, only "part-1" is displayed in the graphic symbol name selection section 31a as in the display example (15 ') shown in the lower part of FIG. The component information selecting units 32a to 32c are caused to display only the component information corresponding to "component-1". Depending on the part information item (manufacturer, part code), one part information item may have a plurality of parts information. In such a case, similarly to the above, the component information selection units 32a to 32c are sequentially selected to narrow down the component information options.

Next, the graphic symbol and component information selected as described above are converted by the component information writing unit 16 into a component writing command 17 which can be interpreted by the CAD system. FIG. 4 shows the converted component write command 17.

In FIG. 4, the component write command 17
Setting command "SYM" is a graphic symbol, setting command "A"
TR "represents the setting of the component information. Parameter 42
Represents the graphic symbol name and coordinates for each command, the part information and its item name. Specifically, 41a is a coordinate (x
1, y1) indicates that the graphic symbol “HC001” is set. Similarly, 41b to 41d indicate that "maker = TT", "rating = HISPEC", and "part code = 3STC" are set to the above-mentioned symbols.

CAD with this component write command 17
Graphic symbol "HC001" on CAD drawing on system 11
And the setting component 43 including the component information is written. In addition, the setting command 4 of the component write command 17
By repeatedly specifying the graphic symbol designation "SYM" in No. 1, the graphic symbol and the subsequent component information are displayed in the CAD system 11
Multiple items are set in the above drawing.

As described above, according to the present embodiment, the graphic symbol and the component information are stored in the component information database 12 in association with each other, and the corresponding graphic symbol is based on the search keyword input from the component selection instructing section 13. Since the component information and the component information are taken out from the component information database 12 and can be selected on the CAD system, there is no error in the component information as compared with the conventional method in which the designer himself has to set the component information. The quality of can be improved. In addition, conventionally, the designer himself has to investigate the component information corresponding to all the graphic symbols used in the CAD drawing, but the component information corresponding to the graphic symbols is displayed on the CAD system. Efficient design can be realized by eliminating the work of investigating the parts and unifying the used parts that differ depending on the experience and knowledge of the designer.

Further, according to the present embodiment, the parts information display selecting section 15 displays a list of the drawing symbols to be selected and the parts information corresponding to them, and if a certain drawing symbol is selected, another drawing is displayed. The parts information that is not related to the symbol and the selected symbol is deleted from the display, and when certain parts information is selected, the parts information that is not related to the selected parts information is deleted. Information can be efficiently narrowed down, and work efficiency can be improved.

Further, according to this embodiment, the setting command 4
By repeatedly specifying the graphic symbol designation "SYM" in 1, the CAD symbol 11 and the subsequent component information are displayed.
A plurality of settings can be set in the above drawing, and the efficiency of design work can be improved.

In the above embodiment, the parts selection instruction section 13
Although the graphic symbol is included in the selection target by inputting the search keyword from the above, it is possible to select only the component information for the graphic symbol arranged in the CAD drawing on the CAD system 11.

In this case, the part selection instructing section 13 instructs the part information retrieving section 14 to indicate the drawing symbol, so that the part information retrieving section 14 retrieves the part information corresponding to the drawing symbol from the part information database 12. Parts information display selection unit 1
Display the list in 5. In order to select arbitrary component information from the component information displayed in the list, the narrowing-down method similar to the above-described embodiment can be adopted. The present invention is not limited to the above embodiments, and various modifications can be made without departing from the gist of the present invention.

[0031]

As described above in detail, according to the present invention,
When the designer arranges the graphic symbol on the CAD drawing, the usable electronic / electrical component information corresponding to the graphic symbol is CAD.
It is possible to provide a CAD part selection device that can be recognized on the system and can efficiently set part information for graphic symbols.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of a CAD part selecting device according to an embodiment of the present invention.

FIG. 2 is a diagram showing a data structure of a parts information database.

FIG. 3 is a diagram showing a component selection process of component information.

FIG. 4 is a diagram showing a process of writing part information to a CAD drawing.

[Explanation of symbols]

11 ... CAD system, 12 ... Parts information database,
13 ... Parts selection instruction section, 14 ... Parts information search section, 15 ...
Component information display selection unit 16 ... Component information writing unit.

Claims (4)

[Claims] 1. A parts information database in which parts information relating to actual parts corresponding to various drawing symbols necessary for creating a design drawing by a CAD system is stored in association with each drawing symbol, and the CAD system A component information retrieval unit that retrieves from the component information database component information corresponding to the drawing symbol placed on the CAD drawing being designed, and displays the component information retrieved by the component information retrieval unit. The information processing apparatus further comprises a component information display selecting unit that selects component information from the component information according to an instruction from the outside, and a component information writing unit that writes the component information selected by the component information display selecting unit in the CAD drawing. A CAD part selection device characterized by the above. 2. A parts information database storing various drawing symbols necessary for creating a design drawing by a CAD system and parts information on actual parts corresponding to the drawing symbols, and designing by the CAD system. When a search keyword for a part to be used in a CAD drawing is given, a part information retrieval unit that retrieves a graphic symbol corresponding to the search keyword and part information corresponding to the graphic symbol from the part information database, and the part information. A part information display that displays the graphic symbols and part information retrieved by the retrieval means, and selects specific graphic symbols and part information from the displayed pictorial symbols and part information according to an instruction from the outside. A selecting means; and a part information writing means for writing the drawing symbol and the part information selected by the part information display selecting means in the CAD drawing. A CAD part selection device characterized by being provided. 3. The component information display selecting means displays the information items of the component information side by side in the horizontal direction of the display screen, and displays the relevant component information for each of the information items in the vertical direction of the display screen. A display unit; and an information narrowing-down unit that deletes the component information unrelated to the selected component information from the component information displayed in other information items when the component information is selected for the certain information item. The CAD component selecting device according to claim 1 or 2, characterized in that. 4. The CAD part according to claim 1, wherein the part information writing unit writes at least one of a graphic symbol and part information to a plurality of locations on a CAD drawing. Selection device.