JP2010146287A - Apparatus and method for supporting change work of printed wiring diagram and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a designer to efficiently prepare a changed printed wiring diagram when changing the arrangement of circuit elements and wiring in a printed wiring diagram. <P>SOLUTION: The change work supporting apparatus for supporting the work of changing the arrangement of the circuit elements and the wiring in the printed wiring diagram includes: an unfinished item extraction part for referring to the printed wiring diagram corresponding to a circuit diagram before the change and a circuit diagram after the change and extracting unfinished items of the work on the basis of a difference between both; and an unfinished item display part for displaying the respective unfinished items according to priority when changing the arrangement of the circuit elements and the wiring corresponding to the respective unfinished items. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a printed wiring diagram change work support device, method, and program, and more particularly, to a change work support device, method, and program for supporting a work of changing the arrangement of circuit elements and wiring in a printed wiring diagram.

  Since the operation of changing the arrangement of circuit elements and wiring in a printed wiring diagram is generally complicated, the designer needs a great deal of time to create the printed wiring diagram after the change. Further, since the work is complicated, there is a possibility that an erroneous printed wiring diagram is created. In addition, there is a problem that a location where the operation of changing the arrangement of circuit elements and wiring is impossible or a difficult location is targeted for the change. In addition, the quality of the printed wiring board may be deteriorated due to these problems.

  Japanese Patent Application Laid-Open No. H10-228561 describes a method for preventing deterioration in board quality and increase in change cost when changing the wiring of a printed board. Further, Patent Document 2 describes a method that can reliably and quickly change the design of a printed wiring board while preventing problems in electrical characteristics and transmission characteristics of a high-speed operation circuit. Furthermore, Patent Document 3 describes a printed wiring board remodeling method that can reduce man-hours in remodeling work and improve the quality of remodeled data by improving the efficiency of manual editing.

JP-A 63-186494 JP 09-198428 A JP-A-11-213027

  The following analysis was made by the present inventors. According to the method and method described in the above-mentioned patent document, the designer cannot obtain a guideline as to which work item should be given priority when changing the arrangement of circuit elements and wiring in the printed wiring diagram. .

  To efficiently perform the work of changing the layout of circuit elements and wiring in a printed wiring diagram, for example, the work of deleting circuit elements or cutting the wiring, the work of adding circuit elements, or connecting the wiring It is considered preferable to prioritize over.

  Therefore, when changing the arrangement of circuit elements and wiring in the printed wiring diagram, it becomes an issue to enable a designer to efficiently create a printed wiring diagram after the change. The objective of this invention is providing the change work assistance apparatus, method, and program which solve this subject.

  A change work support apparatus according to a first aspect of the present invention is a change work support apparatus that supports work for changing the arrangement of circuit elements and wiring in a printed wiring diagram, and is a printed wiring corresponding to the circuit diagram before the change. Referring to the figure and the modified circuit diagram, an incomplete item extraction unit that extracts incomplete items of work based on the difference between the two, and circuit elements and wiring corresponding to each of the incomplete items An incomplete item display unit that displays each of the incomplete items in accordance with the priority when the arrangement is changed.

  A change work support method according to a second aspect of the present invention is a change work support method for supporting a work for changing the arrangement of circuit elements and wiring in a printed wiring diagram, and is a printed wiring corresponding to the circuit diagram before the change. Based on the difference between the diagram and the modified circuit diagram, the process of extracting incomplete items of work, and the priority when changing the arrangement of circuit elements and wiring corresponding to each of the incomplete items And displaying each of the incomplete items accordingly.

  A program according to a third aspect of the present invention is a program for supporting an operation of changing the arrangement of circuit elements and wirings in a printed wiring diagram, the printed wiring diagram corresponding to the circuit diagram before the change and the circuit after the change. Depending on the priority when changing the layout of circuit elements and wiring corresponding to each of the incomplete items And causing the computer to execute a process of displaying each of the incomplete items on the display. The program is recorded on an arbitrary recording medium.

  According to the change work support device, method, and program according to the present invention, when changing the arrangement of circuit elements and wiring in a printed wiring diagram, the designer can efficiently create a printed wiring diagram after the change. This is because incomplete items of the change work are automatically extracted and provided to the designer according to the priority.

  A change work support device according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram illustrating a configuration of a change work support device according to the present embodiment. The change work support device 50 supports the work of changing the arrangement of circuit elements and wiring in the printed wiring diagram.

  Referring to FIG. 1, the changed work support device 50 includes an incomplete item extraction unit 51 and an incomplete item display unit 52.

  The incomplete item extraction unit 51 refers to the printed wiring diagram corresponding to the circuit diagram before the change and the circuit diagram after the change, and extracts an incomplete item in the work based on the difference between the two. The incomplete item display unit 52 displays each of the incomplete items according to the priority when changing the arrangement of the circuit elements and wirings corresponding to the incomplete items.

  The changed work support device 50 preferably further includes a work location display unit 53. The work location display unit 53 displays the names of circuit elements and wirings corresponding to the incomplete items, and / or the circuit elements and wiring locations corresponding to the incomplete items in the printed wiring diagram. indicate. Moreover, it is preferable that the work location display unit 53 highlights and displays the circuit elements and wiring locations corresponding to the items selected by the user among the incomplete items in the printed wiring diagram.

  The change work support device 50 preferably further includes a difficulty level display unit 54. The difficulty level display unit 54 displays the difficulty level when changing the arrangement of the circuit elements and wiring corresponding to the items selected by the user among the incomplete items in the printed wiring diagram.

  It is preferable that the change work support device further includes a printed wiring diagram generation unit 55. The printed wiring diagram generation unit 55 sequentially deletes the incomplete items selected by the user, and generates a printed wiring diagram when the incomplete items disappear as a changed printed wiring diagram.

  The degree of difficulty may be determined based on at least one of the shape of the circuit element, the distance between adjacent wirings, and the printed wiring material.

  According to the change work support device 50 according to the present embodiment, incomplete items are automatically extracted and provided to the designer. Therefore, the designer can efficiently create a printed wiring diagram after the change. In addition, according to the change work support device 50 according to the present embodiment, each of the incomplete items is displayed according to the priority when changing the arrangement of the circuit elements and the wiring corresponding to the incomplete items. . Therefore, the designer can work in order from the item with the highest priority, and can efficiently create the printed wiring diagram after the change.

  In addition, according to the change work support device 50 according to the present embodiment, the names of circuit elements and wiring corresponding to each incomplete item are displayed and / or the circuit elements corresponding to each incomplete item and The wiring location is displayed in the printed wiring diagram. Therefore, the designer can easily specify the location of the circuit element and wiring to be worked, and can efficiently create the printed wiring diagram after the change.

  A change work support device according to an embodiment of the present invention will be described in detail with reference to the drawings.

(Constitution)
FIG. 1 is a block diagram illustrating a configuration of a change work support device 50 according to the present embodiment. In the design change of the printed wiring diagram, the changed work support device 50 presents the work process, the work content, and the work candidate to the designer and generates the changed printed wiring diagram. Referring to FIG. 1, the change work support device 50 is connected to the input / output device 10, the display device 20, the arithmetic processing device 30, and the storage device 40.

  The input / output device 10 inputs / outputs data to / from the change work support device 50 that supports the work of changing the arrangement of circuit elements and wires in the printed wiring diagram. The input data includes a printed wiring diagram before change (see FIG. 6A) and a circuit diagram after change (see FIG. 5B). The output data includes the printed wiring diagram after the change (the wiring W1 is deleted in FIG. 6C).

  The circuit diagram and the printed wiring diagram are created by the designer on the display device 20 by operating the mouse. These created figures are converted into data by the incomplete item extraction unit 51. The display device 20 displays a circuit diagram corresponding to the printed wiring diagram and a mounting diagram to be constructed. The display device 20 displays the work process, the work content, and the work candidate extracted by the changed work support device 50. In addition, the designer specifies the content or change location of the change work on the screen of the display device 20 by using a mouse or the like.

  The arithmetic processing device 30 performs a calculation related to the extraction of work steps, work contents, and work candidates in the changed work support device 50.

  The storage device 40 stores the work process, work contents and work candidates extracted by the changed work support device 50, and a circuit diagram and a printed wiring diagram.

  The change work support device 50 generates a changed printed wiring diagram while assisting the designer in the change work of the printed wiring diagram. Referring to FIG. 1, the changed work support device 50 includes an incomplete item extraction unit 51, an incomplete item display unit 52, a work location display unit 53, a difficulty level display unit 54, and a printed wiring diagram generation unit 55.

  The unfinished item extraction unit 51 extracts unfinished items in the modification work based on the difference between the circuit diagram after the change and the printed wiring diagram before the change, and the unfinished items that have been extracted are unfinished It transmits to the item display part 52.

  The incomplete item display unit 52 derives a process necessary for the change work based on the content extracted by the incomplete item extraction unit 51 and displays the procedure on the display device 20. FIG. 3 is a diagram illustrating an example of display by the incomplete item display unit 52. The incomplete item display unit 52 preferably displays incomplete items in the table of FIG. 3 according to priority. For example, the priority may be determined based on the content of work. As an example, the incomplete item display unit 52 may prioritize incomplete items related to circuit element deletion and wiring disconnection over incomplete items related to circuit element addition and wiring connection.

  The work location display unit 53 identifies the items specified by the designer among the incomplete items in FIG. 3 on the printed wiring diagram, and displays them in a highlighted manner. For example, the work location display unit 53 may highlight P2 in FIG. Further, the work location display unit 53 may display the names of circuit elements and wirings corresponding to the incomplete items. FIG. 4 is a diagram illustrating an example of display by the work location display unit 53. Further, the work location display unit 53 displays the work location (FIG. 6A) in the printed wiring board diagram when the designer specifies a specific incomplete item (for example, deletion of a circuit element) in the table of FIG. The circuit element P2) may be highlighted by color coding or the like.

  The difficulty level display unit 54 displays the difficulty level when changing the arrangement of the circuit elements and wiring corresponding to the items selected by the user among the incomplete items in the printed wiring diagram. The difficulty level display unit 54 determines whether or not the change in the arrangement of the circuit element and the wiring is an appropriate place for actually performing the change work, and performs the change work on the designer based on the determination result. Present where to go. For example, if there is no affected pattern and the pattern of the surface layer is not under the component (eg, circuit element), it is “optimal”, and there is the affected pattern and the surface layer is not under the component. If the pattern is a pattern of the above, “construction is possible”, “under construction difficult” if it is below the part and the pattern of the surface layer, “prohibited” otherwise, and the difficulty level display portion 54 May present such a message to the designer.

  Further, the difficulty level display unit 54 may analyze the construction difficulty level of the workable part of the construction site with reference to the construction condition database in which the construction condition data is recorded, and display it on the printed wiring diagram. . The construction condition database includes construction condition data relating to the construction of the printed wiring diagram, and is stored in advance in the data storage device. The construction condition data includes data related to the distance between adjacent circuit elements and wiring, the shape of the part, and the material, and is used, for example, when the construction of the lower part of the part is prohibited. The construction condition database may further include priorities of construction points. The difficulty level display unit 54 may, for example, present the priorities of construction points based on electrical characteristics to the designer. For example, it is preferable to present the position where the signal line length is shortened to the designer.

  The printed wiring diagram generation unit 55 sequentially deletes the incomplete items selected by the designer, and generates a printed wiring diagram when the incomplete items disappear as a changed printed wiring diagram. The printed wiring diagram generation unit 55 sets the items selected by the designer among the unfinished items as items ended in the table of FIG. 3 and deletes them from the table of FIG. The designer confirms that there are no unfinished items in the table layout change operation in FIG. 3 (or confirms that there are no unfinished items in FIG. 4), and the printed wiring diagram after the change. By selecting the generation, a printed wiring diagram after the change is generated.

(Operation)
The operation of the change work support apparatus according to the present embodiment will be described with reference to the drawings. FIG. 2 is a flowchart showing the operation of the new change work device 50 in this embodiment.

  FIG. 5 is a diagram illustrating an example of a circuit diagram to be worked in this embodiment. FIG. 5A shows a circuit diagram before the change, and FIG. 5B shows a circuit diagram after the change. Here, the case where the logical symbol C2 is deleted, the wiring W2 from the logical symbols C1 to C4 is connected in accordance with this, and the wiring W1 from the logical symbol C3 to C4 is changed to the wiring W3 will be described as an example. .

  The designer changes a part (deletes the logical symbol C2 in FIG. 5) and cuts or connects a wiring (cutting the wiring W1 and connecting the wirings W2 and W3) in the circuit diagram according to the change (FIG. 5). 2 step S1).

  The incomplete item extraction unit 51 reads the modified circuit diagram created in step S1 (step S2). The unfinished item extraction unit 51 reads the printed wiring diagram before the change (step S3). FIG. 6 is a diagram illustrating an example of a printed wiring diagram that is a work target in the present embodiment. FIG. 6A shows a printed wiring diagram before change, read in step S3.

  The unfinished item extraction unit 51 compares the circuit diagram after the change with the printed wiring diagram before the change, and based on the difference between them, the unfinished item (that is, deletion of the logical symbol C2, cutting of the wiring W1, and wiring) (Connection of W2 and W3) is extracted (step S4), and the extracted incomplete items are stored in the storage device 40.

  The incomplete item display unit 52 displays the incomplete items on the display device 20 as shown in FIG. 3 (step S5). At this time, the incomplete item display unit 52 may display the incomplete item according to the priority when the arrangement of the circuit elements and the wiring corresponding to each of the incomplete items is changed. Moreover, it is preferable that the incomplete item display unit 52 displays the incomplete item and the completed item so that they can be distinguished. The incomplete item display unit 52 refers to the incomplete item recorded in the storage device 40 by the incomplete item extraction unit 51 and performs the above display.

  Based on the display of FIG. 3, the designer determines whether there is an incomplete item (step S6). Based on the display of FIG. 3, the designer grasps that the deletion of the circuit element, the cutting of the wiring, and the addition of the wiring are incomplete items (Yes in step S6). On the other hand, the designer grasps that “addition of circuit element” and “through-hole destruction” are already completed items.

  The designer selects “delete circuit element” displayed as the item that should be given the highest priority among the incomplete items (step 7).

  The work location display unit 53 represents a work content list as shown in FIG. 4 so that the designer can specify the construction location. The work content list of FIG. 4 is generated according to the content of the incomplete items extracted by the incomplete item extraction unit 51 and recorded in the storage device 40. Here, no. Deletion of the circuit element P2 in the column 1 is a work item to be prioritized. In the table of FIG. When the column 1 is selected, the printed wiring diagram shown in FIG. 6A is displayed, and the circuit element P2 is highlighted (step S8). Thereby, the designer can select the circuit element P2 to be deleted as a target to be deleted without manually searching for the circuit element P2.

  The designer instructs the deletion of the circuit element P2 based on the display of FIG. 6A (step 10).

  Further, the printed wiring diagram generation unit 55 generates a printed wiring diagram from which the circuit element P2 is deleted (see FIG. 6B) (step S11).

  The incomplete item display unit 52 displays “Delete circuit element” as the completed item in the table of FIG. 3 (step S5). The designer confirms whether or not there is an incomplete item with reference to the table of FIG. 3 (step S6). The designer determines that there is an incomplete item (Yes in step S6), and next, as an item to be prioritized, the designer selects “cut wiring” in the table of FIG. 3 (step S7). .

  The work location display unit 53 redisplays the work content list of FIG. 4 (step S8). The designer is no. It is grasped that the wiring W1 in the column 2 should be cut. Further, the designer can recognize that the wiring W1 is a wiring starting from the terminal o1 of the circuit element P3 and ending with the terminal i2 of the circuit element P4. In the list of FIG. When the field 2 is selected, the work location display unit 53 displays the printed wiring diagram of FIG. 6A, and particularly highlights the wiring W1 (step S8).

  The difficulty level display unit 54 displays which part of the wiring W1 can be easily cut in actual work (step S9). For example, when the designer traces on the wiring W1, the difficulty level display unit 54, for example, based on information such as the distance between other circuit elements or wiring and the wiring W1, or the position of the through hole, for example, The point a on the wiring W1 is expressed as “prohibited”, the point b is expressed as “optimal”, the point c is expressed as “difficult construction”, etc. (see FIG. 6B) (step 9).

  The designer refers to the display of FIG. 6B and selects a location suitable for the actual cutting work (step S10). The designer determines that cutting at the point b is preferable when cutting the wiring W1 shown in FIG.

  The printed wiring diagram generation unit 55 generates a changed printed wiring diagram (see FIG. 6C) (step S11).

  The unfinished item display unit 52 displays “wiring cut” as the completed item in the table of FIG. 3 (step S5). The designer confirms whether or not there is an incomplete item with reference to the table of FIG. 3 (step S6). The designer determines that there are unfinished items (Yes in step S6), and next, as an item to be prioritized, the designer selects “connection of wiring” in the table of FIG. 3 (step S7). ).

  The work location display unit 53 redisplays the work content list of FIG. 4 (step S8). The designer is no. It is grasped that the wiring W2 in the column 3 should be connected. Further, the designer can recognize that the wiring W2 is a wiring starting from the terminal o1 of the circuit element P1 and ending with the terminal i1 of the circuit element P4. In the list of FIG. When the column 3 is selected, the work location display unit 53 displays the printed wiring diagram of FIG. 6C, and particularly highlights the terminal o1 of the circuit element P1 and the terminal i1 of the circuit element P4 (step S8). ).

  The difficulty level display unit 54 determines and displays a location suitable for extending the wiring W2 based on the difficulty level (step S9).

  The designer selects a portion where the wiring W2 is to be stretched, and gives an instruction for strap construction (step S10).

  The printed wiring diagram generation unit 55 generates a changed printed wiring diagram (see FIG. 6C) (step S11).

  Similarly, based on the work list shown in FIG. 4 displayed by the work location display unit (step S8), the designer selects No. It is grasped that the wiring W3 in the column 4 should be connected. Therefore, the designer gives an instruction for strap construction of the wiring W3 (step S10). The printed wiring diagram generation unit 55 generates a changed printed wiring diagram (see FIG. 6C) (step S11).

  The incomplete item display unit 52 displays “wiring connection” as the completed item in the table of FIG. 3 (step S5). The designer confirms whether or not there is an incomplete item with reference to the table of FIG. 3 (step S6). The designer determines that there are no unfinished items in the placement change work (No in step S6).

  Therefore, the designer selects “Generate printed wiring diagram after change” in the table of FIG. The printed wiring diagram generation unit 55 generates a modified printed wiring diagram and ends the process.

  The change work support device according to the present embodiment provides the following effects. First, since the work procedure of the design change process is provided, the designer can efficiently advance the design change process of the printed wiring diagram without any work error. Secondly, since the construction content and the construction location are provided, the designer can identify the construction location without error and perform the work efficiently. Thirdly, since the construction candidates are provided according to the priority, the designer can identify a place where construction should be prioritized or a place where construction cannot be performed, and work can be performed efficiently. .

  Although the above description has been made based on examples, the present invention is not limited to the above examples.

It is a block diagram which shows the structure of the change work assistance apparatus in the Example of this invention. It is a flowchart which shows operation | movement of the change work assistance apparatus in the Example of this invention. It is a figure which shows an example of the display by the incomplete item display part in the Example of this invention. It is a figure which shows an example of the display by the work location display part in the Example of this invention. It is a figure which shows an example of the circuit diagram used as the work object in the Example of this invention. It is a figure which shows an example of the printed wiring diagram used as the work object in the Example of this invention.

Explanation of symbols

10 Input / output device 20 Display device (display)
30 arithmetic processing unit 40 storage unit 50 change work support unit 51 incomplete item extraction unit 52 incomplete item display unit 53 work location display unit 54 difficulty level display unit 55 printed wiring diagram generation unit C1 to C5 logical symbols W1 to W3 wiring o1 , O2 terminal P1-P5 circuit element

Claims (16)

A change work support device that supports work to change the layout of circuit elements and wiring in a printed wiring diagram,
With reference to the printed wiring diagram corresponding to the circuit diagram before the change and the circuit diagram after the change, an incomplete item extraction unit that extracts an incomplete item of the work based on the difference between the two,
A change comprising: an incomplete item display unit that displays each of the incomplete items in accordance with the priority when changing the arrangement of circuit elements and wiring corresponding to the incomplete items. Work support device.   Work location display for displaying names of circuit elements and wiring corresponding to each of the incomplete items and / or displaying circuit elements and wiring locations corresponding to each of the incomplete items in a printed wiring diagram The change work support device according to claim 1, further comprising a unit.   The said work location display part highlights and displays the location of the circuit element and wiring corresponding to what was selected by the user among the said incomplete items in a printed wiring diagram, Change work support device described in 1.   It further includes a difficulty level display unit for displaying a difficulty level when changing the arrangement of the circuit elements and the wiring corresponding to the unselected items selected by the user in the printed wiring diagram. The change work support apparatus according to claim 1.   A printed wiring diagram generation unit that sequentially deletes the incomplete items selected by the user and generates a printed wiring diagram when the unfinished items disappear as a changed printed wiring diagram. The change work support device according to any one of claims 1 to 4, wherein the change work support device is provided.   6. The difficulty level according to claim 1, wherein the difficulty level is determined based on at least one of a shape of a circuit element, a distance between adjacent wirings, and a printed wiring material. Change work support device. A change work support method for supporting the work of changing the arrangement of circuit elements and wiring in a printed wiring diagram,
Extracting unfinished items of the work based on the difference between the printed wiring diagram corresponding to the circuit diagram before the change and the circuit diagram after the change;
And a step of displaying each of the incomplete items in accordance with the priority when changing the arrangement of the circuit elements and the wiring corresponding to each of the incomplete items. Displaying the names of circuit elements and wiring corresponding to each of the incomplete items, and / or
8. The change work support method according to claim 7, further comprising a step of displaying circuit elements and wiring locations corresponding to each of the incomplete items on a printed wiring diagram.   9. The change according to claim 8, further comprising the step of highlighting and displaying a circuit element and a wiring location corresponding to the incomplete item selected by the user in a printed wiring diagram. Work support method.   The method further comprises a step of displaying, in a printed wiring diagram, a difficulty level when changing the arrangement of circuit elements and wiring corresponding to the unselected items selected by the user. The change work support method according to any one of 7 to 9.   The method further includes the step of sequentially deleting the items selected by the user among the unfinished items and generating a printed wiring diagram as a modified printed wiring diagram when there are no unfinished items, The change work support method according to any one of claims 7 to 10. A program for supporting the work of changing the layout of circuit elements and wiring in a printed wiring diagram,
A process of inputting a printed wiring diagram corresponding to the circuit diagram before the change and a circuit diagram after the change, and extracting unfinished items of the work based on the difference between the two,
The computer is caused to execute a process of displaying each of the incomplete items on a display according to a priority when changing the arrangement of circuit elements and wiring corresponding to each of the incomplete items. program. A process of displaying names of circuit elements and wiring corresponding to each of the incomplete items, and / or
13. The program according to claim 12, further causing a computer to execute a process of displaying a circuit element and a wiring location corresponding to each of the incomplete items in a printed wiring diagram.   14. The computer according to claim 13, further comprising: causing a computer to execute a process of highlighting and displaying a circuit element and a wiring location corresponding to the incomplete item selected by a user in a printed wiring diagram. The listed program.   The computer is further caused to execute a process of displaying, in a printed wiring diagram, the difficulty level when changing the arrangement of circuit elements and wirings corresponding to ones selected by the user among the unfinished items. The program according to any one of claims 12 to 14.   Causing the computer to further execute a process of generating a printed wiring diagram after change by sequentially deleting the items selected by the user from among the unfinished items and there are no unfinished items The program according to any one of claims 12 to 15, characterized by:

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