CN102479274B - Method for setting routing line width of printed circuit board - Google Patents
Method for setting routing line width of printed circuit board Download PDFInfo
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- CN102479274B CN102479274B CN 201010575318 CN201010575318A CN102479274B CN 102479274 B CN102479274 B CN 102479274B CN 201010575318 CN201010575318 CN 201010575318 CN 201010575318 A CN201010575318 A CN 201010575318A CN 102479274 B CN102479274 B CN 102479274B
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- cabling
- width
- connection gasket
- live width
- circuit board
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- 238000000034 method Methods 0.000 title claims abstract description 38
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- 230000008901 benefit Effects 0.000 description 1
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Abstract
The invention discloses a method for setting routing line width of a printed circuit board, wherein the routing line width of the printed circuit board is set by layout software, and the method for setting the routing line width comprises the following steps of: selecting one of a plurality of lines of the printed circuit board, obtaining the corresponding name of the selected line, further obtaining a component pine connected with the line, and obtaining a connection pad corresponding to the component pin, then, reading the width of the connection pad, and adjusting the width of the line according to the width of the connection pad.
Description
Technical field
The present invention is relevant for a kind of circuit layout method, and particularly relevant for a kind of cabling layout method of printed circuit board (PCB).
Background technology
For the life that makes the modern more convenient, like usually taking the being easy to carry pattern of (Portable) of electronic installation at present, the printed circuit board (PCB) that is used for carrying the electronic installation constituent components naturally also just need miniaturization, lightweight and precise treatment.Printed circuit board (PCB) is made with printing technology and corrosion technology, and distribution is connected to each other part in a large number, and as the structure of supporting part.
The distribution of printed circuit board (PCB) can be by the automatic design of computing machine or by design manually; In the middle of the process that computing machine designs automatically, can adopt computer graphics usually; the operation of wherein using the computer drawing printed circuit board (PCB) is separated into two parts again mainly; one is localization process (placement) operation of front, and another then is configuration (Layout) operation of back.After the localization process operation of printed circuit board (PCB) is finished, then continue printed circuit board (PCB) is carried out follow-up configuration operation, in the middle of the layout operation, the width of cabling (Trace) system cooperates manufacturing technology and the required opering characteristic of electric apparatus and determines that this trace width has inseparable relation with the allowable current flux.
But as configuration slip-stick artist during at the dragline cabling, can adopt the cabling of different live widths, each connection gasket (Pad) also has different width, so the live width of cabling usually can take place greater than the width of connection gasket, causes line short easily.The position avoid occurring the situation of short circuit, layout slip-stick artist need hunt out the cabling live width usually greater than the zone of the width of connection gasket, then after on the whole wired program is finished, manually the cabling live width is changed carefully by the layout slip-stick artist again, or setting live width by an extra manual steps, thus, this kind job procedure not only expends man-hour, and can't carry out backguy flexibly, also be difficult to simultaneously the human negligence avoided, cause short circuit between the cabling or the short circuit between cabling and the connection gasket easily.
Summary of the invention
Therefore, an aspect of of the present present invention provides a kind of cabling live width establishing method of printed circuit board (PCB), can detect automatically whether specific cabling live width is bigger than the connection gasket width on the printed circuit board (PCB), and adjust the cabling live width according to this automatically, avoid being short-circuited, also can avoid simultaneously over and over again to revise live width manually, increase wiring efficient.
According to one embodiment of the invention, the cabling live width establishing method of printed circuit board (PCB) is set printed circuit board (PCB) cabling live width by a layout software, and this cabling live width establishing method is: select one in the middle of a plurality of cablings on the printed circuit board (PCB); Obtain the corresponding cabling title of the cabling that is selected; Obtain an assembly pin that is connected with cabling; Obtain the corresponding connection gasket of assembly pin; Read the width of connection gasket, and according to the width of connection gasket, adjust the live width of cabling.
Another aspect of the present invention is that a kind of cabling live width establishing method of printed circuit board (PCB) is being provided, whether several cabling live widths that can detect automatically on the printed circuit board (PCB) are bigger than the connection gasket width, and automatically adjust many cabling live widths according to this, avoid being short-circuited, also can avoid simultaneously over and over again to revise live width manually, increase wiring efficient.
According to another embodiment of the present invention, printed circuit board (PCB) cabling live width establishing method is revised printed circuit board (PCB) cabling live width by a layout software, this cabling live width establishing method is: open a circuit file, when the circuit file is put down in writing a plurality of cablings, choose in the middle of the cabling wherein one, obtain a cabling title of the cabling that is selected then, and be called index with the cabling name, choose at least one the assembly pin that is connected with cabling; Then in the content that a code file is put down in writing, obtain a connection gasket corresponding with the assembly pin, obtain the width of connection gasket, and whether the width of judging cabling is greater than the width of connection gasket; When the width of the cabling width greater than connection gasket, be modified to the width of cabling consistent with the width of connection gasket.
The printed circuit board (PCB) cabling live width establishing method of above embodiment, be that a layout software is carried out automatic setting to printed circuit board (PCB) cabling live width, automatically search this with program and be used for the connection gasket width of coupling assembling pin, change live width into meet the connection gasket width numerical value automatically.Because program grasps the connection gasket width automatically and sets the cabling live width, so after being finished, the cabling live width just meets the connection gasket width, does not have modification problem repeatedly.
Description of drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, appended graphic being described as follows:
Figure 1A is for illustrating an embodiment of the present invention cabling synoptic diagram.
Figure 1B is for illustrating the process flow diagram of an embodiment of the present invention cabling synoptic diagram and printed circuit board (PCB) cabling live width establishing method respectively.
Fig. 2 is the process flow diagram that illustrates another embodiment printed circuit board (PCB) cabling live width establishing method of the present invention.Main description of reference numerals
101: cabling 103: line segment
105: connection gasket 109～119: step
201～223: step
Embodiment
The cabling live width establishing method of the printed circuit board (PCB) of following examples, can detect automatically whether specific cabling live width is bigger than the connection gasket width on the printed circuit board (PCB), and adjust the cabling live width according to this automatically, avoid being short-circuited, also can avoid simultaneously over and over again to revise live width manually, increase wiring efficient.
Please be simultaneously with reference to Figure 1A and Figure 1B, it illustrates the process flow diagram of an embodiment of the present invention cabling synoptic diagram and printed circuit board (PCB) cabling live width establishing method respectively.Generally speaking, can exist many cablings (Trace) 101 on the printed circuit board (PCB), each cabling 101 can be divided into a plurality of line segments 103 again, and these line segments 103 need have different live widths, come different with a plurality of width respectively connection gasket 105 to connect, the assembly pin then is being set on the connection gasket 105.Therefore the width of first cabling that illustrates 101 of Figure 1A needs the width of cabling 101 is revised just greater than the width of connection gasket 105, makes the width of cabling 101 consistent with the width of connection gasket 105, and second illustrates as Figure 1A.
Present embodiment adopts a layout software that printed circuit board (PCB) cabling live width is set, and this circuit layout software can be computer-aided mapping software (Computer-Aided Design such as Mentor, Allegro; CAD).
Printed circuit board (PCB) cabling live width establishing method is: select one (step 109) in the middle of several cablings on the printed circuit board (PCB), system of selection then can the technosphere be selected mode, chooses the excessive cabling of this live width; Or select the excessive cabling of live width automatically by the computing machine wiring software; In addition, also can walk the online drawing pin that adds earlier, utilize this drawing pin that cabling is told several sections, select desire to revise the section of live width then.Then, obtain the corresponding cabling title of the cabling that is selected (step 111), obtain an assembly pin (step 113) that is connected with cabling.In more detail, can the cabling name be called index, the content that a circuit file (Nets file) is put down in writing is searched, to obtain the assembly pin that is connected with cabling.After obtaining the assembly pin, continue to obtain the corresponding connection gasket (step 115) of assembly pin, read the width (step 117) of this connection gasket simultaneously.More particularly, name that can the assembly pin is called index, and the content that a code file is put down in writing is searched, and obtaining the corresponding connection gasket of this assembly pin, and reads the width of this connection gasket.
Read the width of this connection gasket in step 117 after, again according to the width of this connection gasket, adjust the live width (step 119) of appropriate section cabling.Specifically, can dwindle the live width of cabling, the live width of cabling is equated with the width of connection gasket, avoid cabling and other connection gasket short circuit.For example, if the connection gasket width of part is less, the live width that the live width of cabling also will be dwindled cabling greatly than connection gasket width, so as not to the live width of cabling exceed connection gasket width and with the connection gasket short circuit on next door.Because cabling is to be combined by many sections, so when revising the live width of cabling, need only change the section that links to each other with connection gasket and get final product, must not change together by the whole piece cabling.
In the middle of this embodiment, search the connection gasket width that cabling goes out the assembly pin automatically with program, the live width with cabling changes the numerical value that meets the connection gasket width into automatically.Because program can grasp the connection gasket width automatically and set live width, so the back cabling live width that is finished will meet the connection gasket width, therefore do not have modification problem repeatedly.
Please be simultaneously with reference to Fig. 2, it illustrates the process flow diagram of another embodiment printed circuit board (PCB) cabling live width establishing method of the present invention.Printed circuit board (PCB) cabling live width establishing method is revised printed circuit board (PCB) cabling live width by a layout software, and this cabling live width establishing method is: open a circuit file (Nets file) (step 201) earlier; If several cablings of record in the middle of the circuit file, then choose in the middle of these cablings wherein one (step 203), in more detail, choose live width uncorrected connection gasket still, and obtain the cabling title (step 205) of the cabling that is selected, be called index with the cabling name then, choose at least one the assembly pin (step 207) that is connected with cabling, in more detail, be called index with the cabling name, in the middle of the circuit file, search, to choose the assembly pin that is connected with cabling.
Obtain after the assembly pin that is connected with cabling, then in the content that a code file is put down in writing, obtain the connection gasket (step 209) corresponding with the assembly pin, and obtain the width (step 211) of connection gasket, in more detail, name with connection gasket is called index, and the content that code file is put down in writing reads, to obtain the width of connection gasket.Whether the width of then judging cabling is greater than the width (step 213) of connection gasket, if the width of cabling is greater than the width of connection gasket, the width of cabling is modified to and the width of connection gasket consistent (step 215), so far, the live width of a certain line segment that corresponds to the cabling of a certain connection gasket is just finished correction.
Then can check whether exist other assembly pin to be connected (step 217) with current selected cabling, if exist other assembly pin to be connected with current cabling, then choose other assembly pin (step 219) seriatim, repeating step 209 to 215 then, revise each section live width of cabling, make each section live width of cabling consistent with the width of corresponding connection gasket respectively.
Finding when step 217 that each section live width that this same cabling is connected to different connection gaskets has all been revised finishes, check then whether the circuit file still exists another cabling (step 221) that is not selected, when there being another cabling that is not selected, then choose another cabling (step 223), and repeating step 209 to 221, so that the live width of another cabling is consistent with the width of corresponding connection gasket.
The printed circuit board (PCB) cabling live width establishing method of above embodiment, with a layout software printed circuit board (PCB) cabling live width is carried out automatic setting, automatically search this by program and be used for the connection gasket width of coupling assembling pin, automatically change live width into meet the connection gasket width numerical value, repeat to search whether have still line segment and the cabling of unmodified live width then, all line segment and the live width correction of cabling finish on printed circuit board (PCB).Because program grasps the connection gasket width automatically and sets the cabling live width, so after being finished, the cabling live width just meets the connection gasket width, does not have modification problem repeatedly.
Though the present invention discloses as above with embodiment; so it is not in order to limit the present invention; the any those of ordinary skill in this area; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the appended claims person of defining.
Claims (7)
1. the cabling live width establishing method of a printed circuit board (PCB) is set printed circuit board (PCB) cabling live width by a layout software, and this cabling live width establishing method comprises:
In the middle of a plurality of cablings on the printed circuit board (PCB), select one;
Obtain the corresponding cabling title of this cabling that is selected;
Obtain an assembly pin that is connected with this cabling, wherein be called index with this cabling name, the content that a circuit file is put down in writing is searched, to obtain this assembly pin that is connected with this cabling;
Obtain the corresponding connection gasket of this assembly pin;
Read the width of this connection gasket; And
According to the width of this connection gasket, adjust the live width of this cabling.
2. cabling live width establishing method as claimed in claim 1 is wherein adjusted the live width of this cabling, and the live width of this cabling is equated with the width of this connection gasket.
3. cabling live width establishing method as claimed in claim 1 is index with this assembly pin wherein, and the content that a code file is put down in writing is searched, and obtaining corresponding this connection gasket of this assembly pin, and reads the width of this connection gasket.
4. a printed circuit board (PCB) cabling live width establishing method is revised printed circuit board (PCB) cabling live width by a layout software, and this cabling live width establishing method comprises:
Step a opens a circuit file;
Step b puts down in writing a plurality of cablings when this circuit file, chooses in the middle of those cablings wherein one;
Step c obtains a cabling title of this cabling that is selected;
Steps d is called index with this cabling name, chooses at least one the assembly pin that is connected with this cabling, and wherein this steps d is called index with this cabling name, searches in the middle of this circuit file, to choose this assembly pin that is connected with this cabling;
Step e in the content that a code file is put down in writing, obtains a connection gasket corresponding with this assembly pin;
Step f obtains the width of this connection gasket;
Whether step g, the width of judging this cabling be greater than the width of this connection gasket; And
Step h when the width of this cabling width greater than this connection gasket, is modified to the width of this cabling consistent with the width of this connection gasket.
5. cabling live width establishing method as claimed in claim 4, whether also comprise inspection exists other assembly pin to be connected with this cabling, when there being this other assembly pin, then choose this other assembly pin and repeating step e to step h, to revise each section live width of this cabling, make each section live width of this cabling consistent with the width of corresponding this connection gasket respectively.
6. cabling live width establishing method as claimed in claim 4, also comprise and check whether this circuit file still exists another cabling that is not selected, when there being this another cabling that is not selected, then choose this another cabling and repeating step e to step h, so that the live width of this another cabling is consistent with the width of corresponding this connection gasket.
7. cabling live width establishing method as claimed in claim 4, wherein this step f is called index with the name of this connection gasket, and the content that this code file is put down in writing reads, to obtain the width of this connection gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010575318 CN102479274B (en) | 2010-11-30 | 2010-11-30 | Method for setting routing line width of printed circuit board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010575318 CN102479274B (en) | 2010-11-30 | 2010-11-30 | Method for setting routing line width of printed circuit board |
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| CN102479274A CN102479274A (en) | 2012-05-30 |
| CN102479274B true CN102479274B (en) | 2013-08-21 |
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| CN 201010575318 Expired - Fee Related CN102479274B (en) | 2010-11-30 | 2010-11-30 | Method for setting routing line width of printed circuit board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103823913A (en) * | 2012-11-19 | 2014-05-28 | 英业达科技有限公司 | Method for arranging jointing parts of circuit board |
| CN107832514A (en) * | 2017-10-27 | 2018-03-23 | 盛科网络（苏州）有限公司 | A kind of detection method and device of Surface Mount pad |
| CN108446527A (en) * | 2018-05-29 | 2018-08-24 | 郑州云海信息技术有限公司 | The method and device of routing line width in a kind of inspection PCB design |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7168041B1 (en) * | 2002-06-10 | 2007-01-23 | Cadence Design Systems, Inc. | Method and apparatus for table and HDL based design entry |
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| CN1278128C (en) * | 2003-01-21 | 2006-10-04 | 英业达股份有限公司 | Method for checking linewidth of power wire in wiring overall arrangement |
| US7603642B2 (en) * | 2006-09-27 | 2009-10-13 | Cadence Design Systems, Inc. | Placer with wires for RF and analog design |
| CN101398861B (en) * | 2007-09-28 | 2010-08-11 | 英业达股份有限公司 | Layout detection method in electron component welding region |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7168041B1 (en) * | 2002-06-10 | 2007-01-23 | Cadence Design Systems, Inc. | Method and apparatus for table and HDL based design entry |
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Inventor after: Zhang Lihong Inventor before: Xie Yixin Inventor before: Zhang Youquan Inventor before: Chen Huiling |
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Effective date of registration: 20180103 Address after: Wanquan County of Hebei province Zhangjiakou City hole town Quanxing Road East 9 No. 1 Building 2 unit 401 room Patentee after: Zhang Lihong Address before: Taipei City, Taiwan Chinese Shilin District Hougang Street No. sixty-six Patentee before: Inventec Corporation |
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Granted publication date: 20130821 Termination date: 20171130 |