CN1804845A - Method and apparatus for implementing PCB design - Google Patents
Method and apparatus for implementing PCB design Download PDFInfo
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- CN1804845A CN1804845A CN 200510002002 CN200510002002A CN1804845A CN 1804845 A CN1804845 A CN 1804845A CN 200510002002 CN200510002002 CN 200510002002 CN 200510002002 A CN200510002002 A CN 200510002002A CN 1804845 A CN1804845 A CN 1804845A
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Abstract
The invention provides a method and apparatus for achieving PCB design. The method comprises: ascertaining the layer norm of the structure picture, ascertaining the corresponding relation between each norm layer and each layer of the PCB design picture, when it needs to dose PCB design, drawing the corresponding structure picture by the layer norm of the structure picture and transferring the structure picture into the PCB design picture.
Description
Technical field
The present invention relates to the PCB design field, be specifically related to a kind of method and apparatus of the PCB of realization design.
Background technology
Electronic product all can be contained in PCB (printed circuit board (PCB)) in certain shell usually for the reasons such as effect of mechanical environment protection and outward appearance; like this will be restricted to the shape of PCB, size etc.; and the working in coordination use between the PCB also has certain requirement to the device position on it; therefore, the PCB design is very important.
PCB design or less enterprise for fairly simple can carry out the PCB design by the key diagram of manual drawing PCB.The large enterprises that professional ME (mechanical engineer) arranged for the PCB of more complicated design or division of labor refinement, describe above-mentioned restriction and requirement need be drawn its structural drawing at this circuit board for clear, utilize the PCB design tool to carry out the PCB layout plot according to structural drawing again.
The implementation procedure of carrying out PCB design by structural drawing as shown in Figure 1.
In Fig. 1, step 100, ME utilizes structural drawing design tool rendering architecture figure, the e-file of output certain format, and print structure figure.The structural drawing of standard comprises abundant information, as physical dimension of the position coordinates of the interface unit that interconnects between PCB, the regional location of various limitation in height, the regional location of forbidding the cloth device wire, PCB etc.In order to strengthen the readability of structural drawing, generally can be with various information layered demonstrations.
To step 110, PCB deviser reference structure figure illustrates the outside drawing that uses PCB design tool drafting PCB design drawing and forbids the placement-and-routing zone.。
To step 120, utilize the layering of PCB design tool to carry out placement-and-routing's process of each layer of PCB design drawing, in this process, can utilize DRC (DRC) function of PCB design tool that the PCB design drawing is checked, be consistent with the requirement of guaranteeing PCB design drawing and structural drawing.
To step 130, finish PCB design effect figure.
To step 140, print PCB design effect figure.
To step 150, PCB design effect figure and structural drawing are compared, judge whether two figure are consistent, if consistent, to step 160, this PCB design is finished.
In step 150, if PCB design effect figure and structural drawing are inconsistent, to step 110, the PCB deviser uses the PCB design tool to draw the outside drawing of PCB design drawing referring again to the structural drawing diagram and forbids the placement-and-routing zone.
In above-mentioned process of carrying out PCB design according to structural drawing, whether the PCB deviser correct to the understanding of structural drawing, the PCB deviser is at the outside drawing of drawing according to structural drawing and forbid whether the placement-and-routing zone correct, the error in judgement that whether placement-and-routing's design correct, planar effect picture brings of PCB and correctness that artificial error in judgement all can influence PCB design effect figure.In case mistake appears in one of them step, can repeat drafting, the deterministic process of PCB design effect figure, cause the waste of PCB design time, thereby postponed the Time To Market of product.
In sum, existing method of carrying out the PCB design according to structural drawing because too much human factor can make the probability of makeing mistakes in the whole PCB design process big, thereby makes the PCB design efficiency low, PCB design cost height.
Summary of the invention
The objective of the invention is to, a kind of method and apparatus of the PCB of realization design is provided,, simplified the PCB design process, improved the PCB design efficiency, reduced the PCB design cost by will directly being converted to the PCB design drawing according to the structural drawing that standard is drawn.
For achieving the above object, a kind of method that realizes the PCB design provided by the invention comprises:
A, determine the layer standard in the structural drawing;
B, determine in the described structural drawing each standard layer respectively with the PCB design drawing in the corresponding relation of each layer;
C, carry out PCB when design at needs, according to the layer standard drafting corresponding structure figure of described structural drawing;
D, the structural drawing of described drafting is converted to the PCB design drawing according to described corresponding relation.
Described step a further comprises:
Determine layer standard in the structural drawing according to the input/output format of structural drawing drawing tool and PCB design tool.
Described step a also comprises:
Revise the layer standard in the structural drawing as required.
Layer standard in the described structural drawing is with the form storage of text.
Described step b also comprises:
Revise as required in the described structural drawing each standard layer respectively with the PCB design drawing in the corresponding relation of each layer.
Described corresponding relation is with the form storage of configuration file.
Described steps d further comprises:
Read the structural drawing of described drafting by the interface of PCB design tool;
Described PCB design tool is converted to the PCB design drawing according to described corresponding relation with the structural drawing that reads.
Described method also comprises:
PCB design drawing according to the described conversion of DRC functional check in the PCB design tool.
A kind of device of realizing the PCB design provided by the invention comprises:
Layer standard module: the layer standard of storage node composition;
The corresponding relation module: store in the standard layer stored in the described layer standard module and the PCB design drawing layer corresponding relation;
The rendering architecture module: the standard layer according to described layer standard module stores is drawn corresponding structure figure, and the structural drawing of described drafting is transferred to the PCB design module;
PCB design module: the structural drawing that described rendering architecture module transmission comes is converted to the PCB design drawing according to stored relation in the described corresponding relation module.
Described device also comprises:
Check module: the PCB design drawing after according to the DRC function described PCB design module being changed is checked.
Description by technique scheme as can be known, the present invention is by setting in advance the layer standard of structural drawing, the corresponding relation of the layer of layer standard and PCB design drawing is set, the structural drawing of drawing according to layer standard can be discerned by the PCB design tool fully, and can directly be converted to the PCB design drawing, avoided artificially drawing the process of PCB design drawing according to structural drawing, simplified the PCB method for designing, saved the PCB design time, and, avoided drawing in the PCB design drawing process according to structural drawing, human factor causes the PCB design drawing to produce wrong phenomenon, thereby has realized raising PCB design efficiency by technical scheme provided by the invention, reduces the purpose of PCB design cost.
Description of drawings
Fig. 1 is the process flow diagram of existing realization PCB design;
Fig. 2 is the synoptic diagram of the layer in the structural drawing of the present invention;
Fig. 3 is the process flow diagram of realization PCB of the present invention design;
Fig. 4 is the device synoptic diagram of realization PCB of the present invention design.
Embodiment
If the structural drawing that ME draws can directly be discerned by the PCB design tool, be that the PCB design tool can directly be converted to the PCB design drawing with structural drawing, so, just can simplify the PCB design process, avoid the mistake in the PCB design process, thereby improve PCB design efficiency, reduction PCB design cost.
Therefore, core of the present invention is: determine the layer standard in the structural drawing, determine in the described structural drawing each standard layer respectively with the PCB design drawing in the corresponding relation of each layer, when needs carry out the PCB design, draw corresponding structure figure according to the layer standard of described structural drawing, the structural drawing of described drafting is converted to the PCB design drawing according to described corresponding relation.
Based on core concept of the present invention technical scheme provided by the invention is further described below.
The present invention at first needs to pre-determine and be provided with the layer standard of structural drawing, when rendering architecture figure, should draw corresponding structure figure according to the layer standard that sets in advance.
When the layer standard of structural drawing was set, the input format that the form that should be mainly can export according to the structural drawing drawing tool and PCB design tool can be discerned was provided with.Profile block diagram as structural drawing fixedly is plotted in some display layers, and size marking fixedly is plotted in another display layer etc.
The layer standard of the structural drawing of predetermined set can be stored with the form of text, and the layer standard of structural drawing should be made amendment according to actual needs.
After being provided with layer standard, the corresponding relation of the layer in each standard layer in the structural drawing and the PCB design drawing need be set, this corresponding relation can and can be made amendment according to actual needs with the form storage of configuration file.
Layer in the standard layer of the structural drawing that sets in advance and the PCB design drawing is one to one, and the corresponding relation of the layer in part standard layer and the PCB design drawing is as shown in table 1.
Table 1
| The standard layer of structural drawing | Layer in the Pcb design drawing |
| The plate profile | Outline (plate profile) |
| The positive cloth district that prohibits | Keepouttop (the positive cloth of prohibiting) |
| The cloth district is prohibited at the back side | Keepout bottom (reverse side taboo cloth) |
| Pros and cons is prohibited the cloth district | Keepout all (positive and negative taboo cloth) |
| Front device alignment layers | Display top (top demonstration) |
| Back side device alignment layers | Display bottom (back displays) |
| Wiring is forbidden in the front | Route keepout top (above forbid wiring) |
| Wiring is forbidden at the back side | Route keepout bottom (wiring is forbidden at the back side) |
| The size marking layer | Dimension (size) |
The English name of layer in different PCB design tools in the PCB design drawing in the table 1 has difference, and table 1 only is signal for example.
After having carried out above-mentioned the setting, when needs carry out the PCB design, should be to guarantee that PCB designs the committed step that whole flow process is carried out smoothly according to layer standard rendering architecture figure according to the layer standard rendering architecture figure of structural drawing.
Accompanying drawing 2 is structural drawing that the layer standard that set in advance of a basis drawn.
Among Fig. 2, this structural drawing comprises the 1st, 2,3,32,36,37 layer in layer standard.
1st, 2,3,32,36,37 layers title is respectively: 0, default_1, default_2,11_all_cosmetic, 50_all_details, 51_draft_dims.The title of each standard layer can be the title of convenient identification in the structural drawing, can find out that from the implication of English this layer is the sketch size as the 37th layer of 51_draft_dims, and we also can be defined as the title of this layer the phonetic " chicun " etc. of size.
Numerical reference among Fig. 2 partly is a size marking, is placed on one deck separately.The diagonal line hatches district is the zone of forbidding layout, for this structural drawing, is the zone that the printed circuit board (PCB) pros and cons is all forbidden layout.When occurring forbidding respectively that at pro and con the zone of layout is three layers that can distribute, can draw respectively all, positive, reverse side forbid the layout district; There is the branch of the device of pro and con the location that also has device, and this can not directly utilize in PCB, can only do reference layer, can be drawn in two-layerly, and which floor ME also can divide for the convenience of oneself and puts certainly.
After having drawn structural drawing, can read the structural drawing of drawing according to layer standard by the interface that the PCB design tool provides, then according to the standard layer of structural drawing and the corresponding relation of the layer in the PCB design drawing, the structural drawing that reads is converted to the PCB design drawing, like this, just avoided manually drawing the process of PCB design drawing, thereby simplified the PCB design process, the mistake of having avoided human factor to cause according to structural drawing.
After the structural drawing that will draw is converted to the PCB design drawing, can utilize the DRC function in the PCB design tool that device position mistake in the PCB design drawing of conversion is checked, with the correction device positional fault.
Describe below in conjunction with 3 pairs of PCB design processes of the present invention of accompanying drawing.
Among Fig. 3, in step 300, ME is according to the layer standard rendering architecture figure of the structural drawing that sets in advance.
In step 310,, the structural drawing of drawing is directly read and is converted to the PCB design drawing according to the standard layer of structural drawing and the corresponding relation of the layer in the PCB design drawing.
To step 320, utilize the DRC function in the PCB design tool that the device position mistake in the PCB design drawing is corrected.
To step 330, the PCB design is finished.
Comparison diagram 1 and Fig. 3 can find out obviously that the present invention does not need to draw according to structural drawing the artificial process of PCB design drawing, and the process of drawing the PCB design drawing repeatedly according to structural drawing of having avoided human factor to cause has improved design efficiency.
The device synoptic diagram of realization PCB of the present invention design as shown in Figure 4.In Fig. 4, this device mainly comprises: layer standard module 400, corresponding relation module 410, rendering architecture module 420, PCB design module 430 and inspection module 440.
Layer standard module 400 is mainly used in the layer standard of storage node composition, for corresponding relation module 410 and drafting rendering architecture module 420 provide a layer standard.The layer standard of storage allows to revise in the layer standard module 400.
Check that module 440 provides DRC function for PCB design module 430, the PCB design drawing of PCB design module 430 conversions is checked, to correct the device position mistake in the PCB design drawing.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, wishes that appended claim comprises these distortion and variation.
Claims (10)
1, a kind of method that realizes the PCB design is characterized in that, comprising:
A, determine the layer standard in the structural drawing;
B, determine in the described structural drawing each standard layer respectively with the PCB design drawing in the corresponding relation of each layer;
C, carry out PCB when design at needs, according to the layer standard drafting corresponding structure figure of described structural drawing;
D, the structural drawing of described drafting is converted to the PCB design drawing according to described corresponding relation.
2, a kind of method that realizes the PCB design as claimed in claim 1 is characterized in that described step a further comprises:
Determine layer standard in the structural drawing according to the input/output format of structural drawing drawing tool and PCB design tool.
3, a kind of method that realizes the PCB design as claimed in claim 1 is characterized in that described step a also comprises:
Revise the layer standard in the structural drawing as required.
4, as claim 1,2 or 3 described a kind of methods that realize the PCB design, it is characterized in that the layer standard in the described structural drawing is with the form storage of text.
5, a kind of method that realizes the PCB design as claimed in claim 1 is characterized in that described step b also comprises:
Revise as required in the described structural drawing each standard layer respectively with the PCB design drawing in the corresponding relation of each layer.
6, as claim 1,2,3 or 5 described a kind of methods that realize the PCB design, it is characterized in that described corresponding relation is with the form storage of configuration file.
7, as claim 1,2,3 or 5 described a kind of methods that realize the PCB design, it is characterized in that described steps d further comprises:
Read the structural drawing of described drafting by the interface of PCB design tool;
Described PCB design tool is converted to the PCB design drawing according to described corresponding relation with the structural drawing that reads.
8, as claim 1,2,3 or 5 described a kind of methods that realize the PCB design, it is characterized in that described method also comprises:
PCB design drawing according to the described conversion of DRC functional check in the PCB design tool.
9, a kind of device of realizing the PCB design is characterized in that, comprising:
Layer standard module: the layer standard of storage node composition;
The corresponding relation module: store in the standard layer stored in the described layer standard module and the PCB design drawing layer corresponding relation;
The rendering architecture module: the standard layer according to described layer standard module stores is drawn corresponding structure figure, and the structural drawing of described drafting is transferred to the PCB design module;
PCB design module: the structural drawing that described rendering architecture module transmission comes is converted to the PCB design drawing according to stored relation in the described corresponding relation module.
10, a kind of device of realizing the PCB design as claimed in claim 9 is characterized in that described device also comprises:
Check module: the PCB design drawing after according to the DRC function described PCB design module being changed is checked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510002002 CN1804845A (en) | 2005-01-11 | 2005-01-11 | Method and apparatus for implementing PCB design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510002002 CN1804845A (en) | 2005-01-11 | 2005-01-11 | Method and apparatus for implementing PCB design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1804845A true CN1804845A (en) | 2006-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510002002 Pending CN1804845A (en) | 2005-01-11 | 2005-01-11 | Method and apparatus for implementing PCB design |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526972A (en) * | 2009-04-21 | 2009-09-09 | 上海闻泰电子科技有限公司 | Setting device of circuit board and method thereof |
| CN104199873A (en) * | 2014-08-19 | 2014-12-10 | 深圳市兴森快捷电路科技股份有限公司 | PCB design drawing device search method and system based on PDF circuit diagram |
| CN104809310A (en) * | 2015-05-14 | 2015-07-29 | 武汉新芯集成电路制造有限公司 | Replacement method of IP function modules |
| CN105979707A (en) * | 2016-07-01 | 2016-09-28 | 广州兴森快捷电路科技有限公司 | Method and system for identifying copper free area in line layer |
-
2005
- 2005-01-11 CN CN 200510002002 patent/CN1804845A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101526972A (en) * | 2009-04-21 | 2009-09-09 | 上海闻泰电子科技有限公司 | Setting device of circuit board and method thereof |
| CN104199873A (en) * | 2014-08-19 | 2014-12-10 | 深圳市兴森快捷电路科技股份有限公司 | PCB design drawing device search method and system based on PDF circuit diagram |
| CN104809310A (en) * | 2015-05-14 | 2015-07-29 | 武汉新芯集成电路制造有限公司 | Replacement method of IP function modules |
| CN105979707A (en) * | 2016-07-01 | 2016-09-28 | 广州兴森快捷电路科技有限公司 | Method and system for identifying copper free area in line layer |
| CN105979707B (en) * | 2016-07-01 | 2018-06-19 | 广州兴森快捷电路科技有限公司 | A kind of line layer is without copper area recognizing method and system |
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Open date: 20060719 |