JPH10154168A - Automatic parts registering device and automatic parts registering method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic parts registering device and an automatic parts registering method capable of improving work efficiency when a printed circuit board is designed by standardizing the catalogue data and design specification of various parts needed to generate a parts library to make them into database, simplifying a data input, saving the labor and time to generate the parts library and utilizing a CAD system, and also improving yield by reducing data error inputs. SOLUTION: A CPU 2 starts a part automatic generator function through a part automatic generator software 5a that is stored in ROM 5 at the time of the parts library generating processing and automatically generates a parts external shape data, parts plane land data, parts plane resist data, parts plane silk data, solder plane land data, solder plate resist data, solder plane silk data and drill data, etc., as data related to parts package on the board corresponds to an inputted design specification for the parts library.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic component registration apparatus and method, and more particularly, to an automatic registration of a component library required when designing a printed circuit board using a CAD system. The present invention relates to an automatic registration device and an automatic registration method for a part that can be used.

[0002]

2. Description of the Related Art Conventional CAD (Computer Aided Design)
When designing a printed circuit board using a system, first, it is necessary to create a component library for inputting electrical components to be used to the CAD system based on the design specifications of the printed circuit board. This part library contains catalog data (part shape, part dimensions,
It is created by setting the component code from the pin arrangement and the like. In this part library, the catalog data of the corresponding part is manually extracted from the parts catalog, and the specification data (part shape, part dimensions, pin arrangement, etc.) is obtained for each part.
Was created by inputting the part code.

Also, the format of catalog data of parts differs for each part maker, and it takes time to extract and input the catalog data, and the printed circuit board has different design specifications for each maker or product. For example, since the clearance in mounting components differs for each maker or product, it is necessary to also input this clearance data to the component library. As described above, the conventional C
When designing a printed circuit board using the AD system, the registration processing of the component library has been performed manually.

[0004]

However, when designing a printed circuit board using such a conventional CAD system, the registration process of a component library used in the design is performed manually. However, every time a new printed circuit board is designed, an enormous amount of time is required for input operation of the parts library, and there is a problem that the work time becomes enormous and the work efficiency is significantly reduced.

In the case of a printed circuit board, the design specification differs for each maker or product. For example, since the clearance for mounting components differs for each maker or product, the clearance data is stored in the component library. Also required to be input, making the creation of the parts library more complicated. For this reason, erroneous input of component data is liable to occur, mounting defects are likely to occur after the shift to manufacturing, and the problem of reducing the yield has occurred.

[Purpose] The present invention standardizes catalog data and design specifications of various parts necessary for creating a parts library, creates a database, simplifies data input, and saves labor for creating a parts library. Become
It is an object of the present invention to provide an automatic component registration apparatus and an automatic registration method for improving the work efficiency when designing a printed circuit board using a CAD system, reducing erroneous data input, and improving the yield. .

[0007]

According to the first aspect of the present invention,
An automatic component registration device for automatically registering information on components mounted on the printed circuit board when designing the printed circuit board. The input unit inputs various component names and design specifications. Component identification information setting means for setting and storing identification information for identifying a component; related information storage means for storing identification information set in the component identification information setting means for each component in association with each other; and a print for mounting the component When a design specification database that standardizes the design specifications of the board and stores it as a database, and when the name and design specification of a component are input by the input unit, the identification information of the component is associated with the component in the related information storage unit. Determined by referring to the stored identification information, referencing the design specification of the input design specification from the design specification database, and Component library generating means for automatically generating various mounting data for mounting the selected component on a printed circuit board, and associating the various mounting data with the determined identification information and outputting the component data as a component library. It is characterized by.

According to the automatic component registration apparatus of the present invention, the component identification information setting means includes identification information (for example, package code) for identifying various components based on component specifications (for example, catalog data). ) Is set and stored. The related information storage means stores the identification information set in the component identification information setting means for each component in association with each other, and the design specification database stores the design specification of the printed circuit board on which the component is mounted. It is standardized and stored as a database. Then, when the name or design specification of the part is input by the input means, the part library generation means is started, and the identification information of the part is referred to the identification information stored in the related information storage means in association with the part. The design specification of the input design specification is referred to from the design specification database, and various mounting data for mounting the input component on the printed circuit board (for example, component outline data, component surface Land data, component-side resist data, component-side silk data, solder-side land data, solder-side resist data, solder-side silk data, etc.) are automatically generated, and these various mounting data are associated with the determined identification information. Output as a parts library.

According to a third aspect of the present invention, there is provided an automatic component registration method for automatically registering information on components mounted on a printed circuit board when designing the printed circuit board or the like. Component identification information setting means for setting and storing identification information to be identified; related information storage means for storing identification information set in the component identification information setting means for each component in association with each other; and a printed circuit board on which the component is mounted. A design specification database for standardizing the design specifications and storing it as a database, and when the name of the part or the design specification is inputted by the input means, the identification information of the part is stored in the related information storage means. Determined with reference to the identification information stored in association with the design specification, the design specification of the input design specification is referred to from the design specification database, and the input Automatically generating various mounting data for implementing the components on a printed board, is characterized in that the identification information described above determines that the various mounting data is automatically registered in the component library in association.

According to the third aspect of the present invention, there is provided a component identification information setting means for setting and storing identification information for identifying various components based on component specifications,
Related information storage means for storing identification information set in the component identification information setting means for each part in association with each other, and a design specification database for standardizing and storing a design specification of a printed circuit board or the like on which the part is mounted as a database. When the name and design specification of the part are input by the input means, the identification information of the part is determined by referring to the identification information stored in the related information storage means in association with the part, and the input information is determined. The design specification of the design specification is referred to from the design specification database, various mounting data for mounting the input component on the printed circuit board are automatically generated, and the various mounting data and the determined identification information and Are automatically registered in the parts library in association with each other.

Accordingly, the number of component library creation steps required when designing a printed circuit board using a CAD system can be greatly reduced. Also, CA
The work load on the operator who operates the D system can be significantly reduced, and work efficiency can be improved. As a result, a component library that has been manually created can be automatically created using a database, thereby reducing erroneous data input and improving the yield.

Also, as in the invention described in claim 2,
2. The automatic component registration apparatus according to claim 1, further comprising a data conversion unit configured to convert various mounting data generated by the component library generation unit into a data format usable by various CAD systems. The parts library generated by the registration device can be used for various CA
Conversion to the data format of the D system can be easily performed, and the use of the component library to the CAD system can be facilitated.

[0013]

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

FIG. 1 to FIG. 7 are diagrams showing an embodiment of a component data registration device to which an automatic component registration device and an automatic registration method of the present invention are applied.

First, the configuration will be described.

FIG. 1 is a block diagram showing a configuration of a main part of an automatic component registration apparatus 1 according to the present embodiment. In FIG. 1, the automatic component registration device 1 includes a CPU 2, a RAM 3, a database memory 4, a ROM 5, and an I / O 6, and each unit is connected to a bus 7.

CPU (Central Processing Unit) 2
Executes a component library creation process, which will be described later, according to a component library creation program stored in the ROM 5, and converts the component name, manufacturer name, and design specification of the component input from the external data input unit 10 via the I / O 6. A corresponding component library is automatically created and output with reference to various databases and related tables stored in a package DB 4a, a design specification DB 4b, and a related table 4c in the database memory 4 described later. Also,
At the time of the component library creation process, the CPU 2 activates a component automatic generator function by component automatic generator software 5a stored in a ROM 5 described later, and as data relating to component mounting on a board corresponding to the input design specification, Component outline data, component surface land data, component surface resist data, component surface silk data, solder surface land data, solder surface resist data, solder surface silk data, drill data, etc. are automatically created as a component library.

A RAM (Random Access Memory) 3
A memory area for temporarily storing various data read when the CPU 2 executes the component library creation processing is formed.

The database memory 4 stores therein a package DB (database) 4a, a design specification DB 4b, and an association table 4c. Package DB4a
Refers to the catalog data (manufacturer name, product name, etc.) described in the catalog of each manufacturer for various components (electronic components (ICs, resistors, capacitors, etc.) of each company) to be mounted on the printed circuit board.
It is a database that standardizes the manufacturer name, part outline, specification temperature range, rated voltage, current consumption, etc.).
The design specification DB 4b is a standardized (numerical) database of design specifications (part shape, land size, resist size, solder size, etc. of components mounted on a printed circuit board) for each manufacturer.

The package DB 4a and the design specification DB
4b, in the component automatic generator start-up process executed by the CPU 2, component external data, component surface land data, component surface resist data, component surface silk data, solder surface land data, solder surface resist data, solder surface silk data, Referenced when creating drill data. The related table 4c is a table in which package code names of various electronic components are set in advance. The association table 4c is referred to when the package code name of the input component is determined in the component library creation process executed by the CPU 2.

The ROM (Read Only Memory) 5 stores the C
The part library creation program executed by the PU 2 and the part automatic generator software 5a are stored.
The I / O 6 is connected to the internal and external data input units 10, various CAD / CAM systems 20, and various CAD / CAM system intermediate files 30 of the component automatic registration device 1,
It controls transmission and reception of various data between the inside and the outside of the automatic parts registration apparatus 1. The I / O 6 is, for example, a data input unit 1
The instruction contents (part name, manufacturer name, design specification, etc.) input from 0 are transmitted to the CPU 2 and the above C
Various C from component library automatically created by PU2
Parts library file corresponding to the data format of the AD / CAM system, or various CAD / CAM
An intermediate file (for example, JP) before conversion to a component library file corresponding to the data format in the system
CA format compatible intermediate file), various CAD
/ CAM system 20 and various CAD / CAM system intermediate files 30 for storage.

The data input unit 10 is a part automatic registration device 1
, Input the specification items (part name, manufacturer name, design specification, etc.) necessary for creating the parts library, and input the contents of the instruction via the I / O 6 into the C
It is transmitted to PU2. Various CAD / CAM (Computer A
ided Manufacturing) system 20 includes a plurality of CAs of a plurality of manufacturers that are distributed and installed in distant offices or the like where a component library is provided from the component automatic registration apparatus 1 of the present embodiment.
It is a D / CAM system. Various CAD / CAM
The system intermediate file 30 is an intermediate data format (for example, JPC) that can be commonly converted by CAD / CAM systems of respective manufacturers distributed and installed in offices and the like.
A (Japanese Printed Circuit Manufacturers Association) format, etc.).

Next, the operation of this embodiment will be described.

First, the CPU in the component automatic registration device 1
2 will be described with reference to flowcharts shown in FIGS.

First, an operator who intends to create a parts library inputs a model name, a maker name, and the like of a part to be created from the data input unit 10 with reference to catalog data and the like (step S1). The model name, manufacturer name, etc. of the parts input by the operator in this step S1 are I / O
6 to the CPU 2. In CPU2, I / O
Reference is made to a related table 4c in which package code names of various electronic components are set in advance in the database memory 4 based on the model name, manufacturer name and the like of the component transmitted from the device 6, and the package code name of the referenced component is stored in the package. DB
4a is determined (step S
2). If the package code name of the referenced component is not registered in the package DB 4a, a new package code name is additionally registered in the package DB 4a (step S3), and the package code name is set as the package code name of the component specified this time. Determine (Step S
4). If the package code name of the component is registered in the package DB 4a, the registered package code name is determined as the package code name of the component (step S4).

Next, after determining the package code name of the part, the operator inputs the design specifications of the printed circuit board of the manufacturer name (company A, company B... Company D) to be created from the data input unit 10 ( Step S5). The design specifications of the manufacturer name input by the operator in step S5 are transmitted to the CPU 2 by the I / O 6.
The CPU 2 determines which manufacturer name the design specification transmitted from the I / O 6 is (Step S6). If it is determined that the design specification is the design specification of Company A, the design specification of Company A is designed in Step S7. It is read from the specification DB 4b and referenced. If it is determined that the design specification is that of company B, the design specification of company B is changed to design specification D in step S8.
Read from B4b and refer to it. If it is determined that the design specification is that of company D, the design specification of company D is read from design specification DB 4b and referenced in step S10.

Next, in step S11 of FIG. 3, an automatic parts generator program is started. The automatic part generator processing by starting the automatic part generator program will be described with reference to the flowchart shown in FIG. In this part automatic generator processing,
For example, a lead insertion type 8-pin IC 10 shown in FIG.
0 (hereinafter referred to as IC 100) will be described as a processing target when soldering and mounting on the printed circuit board 200.

Referring to FIG. 5, a printed circuit board 200 has a component surface 201 and a solder surface 202, and the component surface 201 has an IC surface.
Data necessary for soldering and mounting the component 100 include “component outer shape data”, “component surface land data (see FIG. 5)”, “component surface resist data (see FIG. 5)”, and “component surface silk data (see FIG. 5). 5) and “drill data (see FIG. 5)”, and the data required for the solder surface 202 are “solder surface land data”, “solder surface resist data (not shown)”, and “solder surface silk data”. (Not shown) "
There is.

First, the operator inputs a package code name and a design specification name from the data input unit 10 (step S101). The package code name and the design specification name input by the operator in step S101 are
It is transmitted to the CPU 2 by O6. In CPU2, I /
When the package code name and the design specification name transmitted from O6 are recognized, the package DB 4a and the design specification DB 4b are recognized.
With reference to, for example, component outline data of the IC component shown in FIG. 6 is created (step S102).

Next, based on the component outline data created in step S102, component surface land data (land dimensions) shown in FIG. 7 is created (step S103), and component surface resist data (resist dimensions) is created (step S103). Step S104), and further, component side silk data (cream solder size) is created (step S105). Then, corresponding to the land data, resist data and silk data of the component surface, the solder surface land data is created (step S106), the solder surface resist data is created (step S107), and the solder surface silk data is created. (Step S108). Finally, drill data is created (step S109).

After the above data has been created, it is determined from the design specification whether or not the component is a surface mount type (step S110). If the component is not a surface mount type, the process is terminated. If the type is the surface mount type, screen mask data is further created (step S1).
11), end this processing.

The above-described parts automatic generator program processing is executed every time a part is input, and a parts library is sequentially created.

Next, returning to step S12 in FIG. 4, the process shifts to output processing of the component library created in the component automatic generator program processing of step S11. In this output processing, first, the file format (whether a manufacturer-specific file format or an intermediate file format) required by the external CAD / CAM system 20 that outputs the component library is determined (step S13). As a file format (data format) of the CAD / CAM system that can be converted and output by the automatic component registration apparatus 1 of the present embodiment, for example,
It can be converted to a plurality of manufacturer-specific file formats (A company file, B company file, C company file,... Z company file, etc.), and can be handled as a common data format among these CAD / CAM manufacturers. It can be converted to a JPCA (Japan Printed Circuit Manufacturers Association) file as an intermediate file format.

CAD / CAM for outputting part library
If it is determined that the system 20 is in the file format of the company A, the component library is converted into a data format corresponding to the CAD / CAM system of the company A in step S14 (step S14), and the component library is converted to the data format via the I / O6. The data is output to the CAD / CAM system 20 of the company, and the process ends. CAD / CA that outputs a part library
If it is determined that the M system 20 has the file format of the company B, the CAD / CAM of the company B is determined in step S15.
The parts library is converted into a data format compatible with the system, and the B / CAD / CAM
The data is output to the system 20 and the process ends. If it is determined that the CAD / CAM system 20 that outputs the component library is in the file format of the Z company, the component library is converted into a data format compatible with the CAD / CAM system of the company Z in step S16.
The data is output to the CAD / CAM system 20 of Company Z via / O6, and this processing ends.

Further, the output destination of the parts library is J
If it is determined that the file is a PCA intermediate file, the component library is converted into a data format corresponding to the JPCA intermediate file in step S17, and is output to the intermediate file 30 via the I / O 6, and the process ends.

As described above, in the automatic parts registration apparatus 1 according to the present embodiment, the package DB 4a in which the catalog data of various parts is standardized and made into a database, and the design specifications in which the design specifications of each manufacturer are standardized and made into a database. D
B4b, and a related table 4c in which a package code name is set in advance for each component, and the package DB 4a, the design specification DB 4b, and the related table 4c.
By providing a component automatic generator program 5a for automatically generating a component library by utilizing c, the number of component library creation steps required when designing a printed circuit board using a CAD / CAM system is greatly reduced. be able to.

Therefore, the work load of the operator operating the CAD / CAM system can be greatly reduced, and the work efficiency can be improved. In addition, since the parts library that has been manually created can be automatically created using a database, erroneous data input can be reduced and the yield can be improved.

Further, by providing a data conversion function for converting an automatically generated component library into a data format usable by various CAD systems, a component library generated by an automatic component registration apparatus can be converted into a data format of various CAD systems. The conversion can be easily performed, and the use of the component library in the CAD system can be facilitated.

[0039]

According to the automatic component registration apparatus and the automatic component registration method of the present invention, a component library required when designing a printed circuit board using a CAD system is provided. Can be greatly reduced. Further, the work load on the operator who operates the CAD system can be significantly reduced, and the work efficiency can be improved. As a result, a component library that has been manually created can be automatically created using a database, thereby reducing erroneous data input and improving the yield.

According to the component automatic registration apparatus of the present invention, the data conversion means for converting the various mounting data generated by the component library generation means into a data format usable by various CAD systems is further provided. With this arrangement, it is possible to easily convert a component library generated by the automatic component registration apparatus into a data format of various CAD systems, and to easily use the component library in the CAD system.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a main part of an automatic component registration apparatus 1 to which an automatic component registration apparatus and an automatic registration method of the present invention are applied.

FIG. 2 is a flowchart of a component library creation process executed by a CPU 2 of FIG. 1;

FIG. 3 is a flowchart of a parts library creation process following FIG. 2;

FIG. 4 is a flowchart showing processing of a component automatic generator program started in step S11 of FIG. 3;

5 is a diagram showing an example of mounting an IC 100 to be processed by the component automatic generator program of FIG. 4;

FIG. 6 is a view showing an example of component outline data by the IC 100 of FIG. 5;

FIG. 7 is a diagram showing an example of land data, resist data, and silk data on the component surface of the IC 100 on the component surface of FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Automatic component registration apparatus 2 CPU 3 RAM 4 Database memory 4a Package DB 4b Design specification DB 4c Related table 5 ROM 5a Automatic component generator software 6 I / O 7 Bus 10 Data input unit 20 Various CAD / CAM systems 30 Various CAD / Intermediate file for CAM system

Claims (3)

[Claims] 1. A component automatic registration device for automatically registering information on components mounted on the printed circuit board when designing the printed circuit board, comprising: input means for inputting names of various components and design specifications; Component identification information setting means for setting and storing identification information for identifying various components based on specifications; related information storage means for storing identification information set in the component identification information setting means for each component in association with each other; A design specification database for standardizing and storing a design specification of a printed circuit board as a database, and when a name of a part or a design specification is inputted by the input means, identification information of the part is associated with the part in the related information storage means. The design specification of the input design specification is determined by referring to the stored identification information, and the input specification is referred to from the design specification database. Component library generating means for automatically generating various mounting data for mounting the selected component on the printed circuit board, associating the various mounting data with the determined identification information, and outputting the data as a component library. Automatic registration device for parts. 2. The component according to claim 1, further comprising a data conversion unit configured to convert various mounting data generated by the component library generation unit into a data format usable by various CAD systems. Automatic registration device. 3. An automatic component registration method for automatically registering information on components mounted on a printed circuit board when designing a printed circuit board or the like, wherein identification information for identifying various components is set based on component specifications. Component identification information setting means for storing and storing, related information storage means for storing identification information set in the component identification information setting means for each component in association with each other, and standardizing design specifications of a printed circuit board on which the component is mounted. A design specification database to be stored as a database, and when the name of the part or the design specification is inputted by the input means, the identification information of the part is stored in the related information storage means in association with the part. Determined by referring to the information, the design specification of the input design specification is referred to from the design specification database, and the input part is printed. Various mounting data for mounting the board automatically generated, an automatic registration method of the component, characterized in that the automatic registration to the component library in association with identification information described above determines that the various mounting data.