CN110362884A - The method and device that differential lines via hole threading checks in a kind of PCB design - Google Patents
The method and device that differential lines via hole threading checks in a kind of PCB design Download PDFInfo
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- CN110362884A CN110362884A CN201910559642.8A CN201910559642A CN110362884A CN 110362884 A CN110362884 A CN 110362884A CN 201910559642 A CN201910559642 A CN 201910559642A CN 110362884 A CN110362884 A CN 110362884A
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/39—Circuit design at the physical level
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Abstract
The invention proposes a kind of methods that differential lines via hole threading checks in PCB design, it whether there is line segment in setting regions by the way that differential signal line via hole is obtained and checked, to determine whether differential lines via hole has other signal wires to pass through, the invention also provides the devices that differential lines via hole threading checks in a kind of PCB design, technical solution of the present invention efficiently solves PCB design later period differential lines via hole, manually check in threading inspection time-consuming and laborious, check low efficiency, the not high problem of accuracy, it can avoid because the plenty of time wastes caused by slipping and manually check when wiring installation's teacher design, it can be to avoid signal because of problems of Signal Integrity caused by wearing difference through hole to signal, PCB design efficiency is also greatly improved while improving signal quality, save time and human cost.
Description
Technical field
The present invention relates to PCB system design fields, check more particularly, to differential lines via hole threading in a kind of PCB design
Method and device.
Background technique
Server board is stuck in PCB design phase, has higher want to the quality of board, signal transmission rate and quality
Ask, this mean that technical staff must modelled signal line with great care wiring.It is special as comparison a kind of in high speed signal
Different signal --- differential signal, they are always routed in pairs, cannot wear it between regulation differential lines via hole in PCB design specification
His signal wire (as shown in Figure 1, differential lines via hole has other signal wires to pass through), wearing other signal wires will affect differential lines signal matter
Amount, leads to jitter.
Need to carry out differential lines via hole threading inspection in the PCB design later period, existing technology is all mutual using more people
The mode of inspection, and on 2 tunnels, 4 up to five or six ten thousand pairs of road server master board differential lines via holes, manually check time-consuming and laborious, inspection
Low efficiency is easy to omit, and accuracy is not high.
Summary of the invention
In order to solve the problems in the existing technology, innovation proposes differential lines via hole in a kind of PCB design to the present invention
The method and device checked is threaded, PCB design later period differential lines via hole is efficiently solved and carries out manually checking expense in threading inspection
When it is laborious, check low efficiency, be easy omit, the not high problem of accuracy.
First aspect present invention provides a kind of method that differential lines via hole threading checks in PCB design, comprising:
Pcb board whole differential pair is obtained, and each pair of differential lines are stored in the first ordered series of numbers；
The first ordered series of numbers is traversed, the first connecting line and the second connecting line of each pair of differential lines are obtained, obtains the first connecting line
On via hole, and be stored in the second ordered series of numbers, obtain the via hole on the second connecting line, and be stored in third ordered series of numbers；
Calculate in the second ordered series of numbers the distance between via hole in via hole and third ordered series of numbers, selected distance it is the smallest this to via hole at
To being stored in the 4th ordered series of numbers；
The 4th ordered series of numbers is traversed, the coordinate and diameter of pairs of via hole in the 4th ordered series of numbers are obtained, according to via diameter and seat
Mark setting selection region；
It whether there is line segment in judgement setting selection region, if it does, obtaining the line segment in setting selection region, save
In the 4th ordered series of numbers, if it does not exist, then illustrating there is no line segment to pass through differential lines via hole in pcb board design.
With reference to first aspect, in a first possible implementation of that first aspect, further includes: if setting regions memory
In line segment, the line segment in setting selection region is obtained, is stored in the 4th ordered series of numbers, the 4th ordered series of numbers middle conductor is traversed, chosen and the
The different line segment of level where one connecting line and the second connecting line, as across the line segment of via hole.
Further, further includes: record and store the coordinate for existing across the via hole of via hole line segment.With reference to first aspect,
In a second possible implementation of that first aspect, described to choose with level where the first connecting line and the second connecting line not
Same line segment specifically includes:
With the presence or absence of layer is changed on inquiry differential signal line, if it does, before the first connecting line of acquisition, the second connecting line change layer
Section information afterwards, then the information with the 4th ordered series of numbers middle conductor compares, if section information is not identical, for across
The line segment in hole；If section information is identical, ignore, checks next signal line.
Further, further includes: if not changing layer, ignore, check next signal line.
With reference to first aspect, in first aspect in the third possible implementation, the section information includes via hole
Number, the origin coordinates of two layers of signal wire of the coordinate of via hole, via hole connection, level, line width.
Second aspect of the present invention provides the device that differential lines via hole threading checks in a kind of PCB design, comprising:
Differential lines obtain module, obtain pcb board whole differential pair, and each pair of differential lines are stored in the first ordered series of numbers；
Via hole obtains module, traverses the first ordered series of numbers, obtains the first connecting line and the second connecting line of each pair of differential lines, obtain
The via hole on the first connecting line is taken, and is stored in the second ordered series of numbers, obtains the via hole on the second connecting line, and be stored in third number
In column；
Via hole distance calculation module calculates in the second ordered series of numbers the distance between via hole in via hole and third ordered series of numbers, choose away from
Via hole is stored in pairs in the 4th ordered series of numbers from the smallest this；
Selection region module is set, the 4th ordered series of numbers is traversed, obtains the coordinate and diameter of pairs of via hole in the 4th ordered series of numbers, root
According to via diameter and setting coordinate selection region；
Judgment module judges to set with the presence or absence of line segment in selection region, if it does, obtaining in setting selection region
Line segment is stored in the 4th ordered series of numbers, if it does not exist, then illustrating do not have line segment to pass through differential lines via hole in pcb board design.
In conjunction with second aspect, in second aspect in the first possible implementation, further includes:
Module is chosen across via hole line segment, if setting regions memory obtains the line segment in setting selection region in line segment,
It is stored in the 4th ordered series of numbers, traverses the 4th ordered series of numbers middle conductor, choose with level where the first connecting line and the second connecting line not
Same line segment, as across the line segment of via hole.
In conjunction with second aspect, in second of second aspect possible implementation, further includes:
Record storage module records and stores the coordinate for existing across the via hole of via hole line segment.
The technical solution adopted by the present invention includes following technical effect:
Technical solution of the present invention efficiently solves PCB design later period differential lines via hole, manually check in threading inspection
It is time-consuming and laborious, check that low efficiency, the not high problem of accuracy can avoid making because slipping and manually checking when wiring installation's teacher design
It is wasted at the plenty of time, signal matter can improved to avoid signal because of problems of Signal Integrity caused by wearing difference through hole to signal
Also PCB design efficiency is greatly improved while amount, saves time and human cost.
General description and following detailed description more than it should be understood that be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
Illustrate the embodiment of the present invention or technical solution in the prior art to become apparent from, it below will be to embodiment or existing
Attached drawing needed in technical description is briefly described, it is clear that, for those of ordinary skills,
Under the premise of not making the creative labor, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that signal wire exists in the prior art across differential lines via hole schematic diagram；
Fig. 2 is the flow diagram of embodiment one in the present invention program；
Fig. 3 is the structural schematic diagram that embodiment sets selection region in the present invention program；
Fig. 4 is the flow diagram of embodiment two in the present invention program；
The flow diagram that Fig. 5 is step S8 in embodiment two in the present invention program；
Fig. 6 is the flow diagram of embodiment three in the present invention program；
Fig. 7 is the structural schematic diagram of example IV in the present invention program；
Fig. 8 is the structural schematic diagram of embodiment five in the present invention program；
Fig. 9 is the structural schematic diagram of embodiment six in the present invention program.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this hair
It is bright to be described in detail.Following disclosure provides many different embodiments or example is used to realize different knots of the invention
Structure.In order to simplify disclosure of the invention, hereinafter the component of specific examples and setting are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relationship between various embodiments and/or setting is discussed.It should be noted that illustrated component is not necessarily to scale in the accompanying drawings
It draws.Present invention omits the descriptions to known assemblies and treatment technology and process to avoid the present invention is unnecessarily limiting.
Embodiment one
As shown in Fig. 2, the present invention provides a kind of methods that differential lines via hole threading checks in PCB design, comprising:
S1 obtains pcb board whole differential pair, and each pair of differential lines is stored in the first ordered series of numbers；
S2 traverses the first ordered series of numbers, obtains the first connecting line and the second connecting line of each pair of differential lines, obtains the first connection
Via hole on line, and be stored in the second ordered series of numbers, the via hole on the second connecting line is obtained, and be stored in third ordered series of numbers；
S3, calculates in the second ordered series of numbers the distance between via hole in via hole and third ordered series of numbers, selected distance it is the smallest this to mistake
Hole is stored in pairs in the 4th ordered series of numbers；
S4 traverses the 4th ordered series of numbers, obtains in the 4th ordered series of numbers the coordinate and diameter of via hole in pairs, according to via diameter and
Setting coordinate selection region；
S5 judges to set in selection region with the presence or absence of line segment；
S6 is stored in the 4th ordered series of numbers if it does, obtaining the line segment in setting selection region；
S7, if it does not exist, then illustrating do not have line segment to pass through differential lines via hole in pcb board design.
In step sl, pcb board whole differential pair is obtained, and is stored in the first ordered series of numbers for each pair of differential lines as element
In, such as ordered series of numbers A.
In step s 2, the first ordered series of numbers is traversed, i.e. ordered series of numbers A obtains the first connecting line NET1 and the of each pair of differential lines
Two connecting line NET2, obtain the via hole VIA of NET1 on the first connecting line, and are stored in the second ordered series of numbers, i.e. ordered series of numbers List_A, have
Body form can be to be placed on ordered series of numbers List_A for VIA_A_1, VIA_B_1 ... VIA_N_1；The via hole on the second connecting line is obtained,
And be stored in third ordered series of numbers, i.e. ordered series of numbers List_B, concrete form can be placed on for VIA_A_2, VIA_B_2 ... VIA_N_2
In ordered series of numbers List_B.
In step s3, the distance between via hole and via hole in third ordered series of numbers in the second ordered series of numbers are calculated, selected distance is minimum
This via hole is stored in pairs in the 4th ordered series of numbers, ordered series of numbers List_C, that is, combine step S1 and S2 specifically: calculate ordered series of numbers
The distance between via hole in List_A and List_B is placed on ordered series of numbers List_C (List_C=list for a pair apart from the smallest
(' (VIA_A_1VIA_A_2) ' (VIA_B_1VIA_B_2) ... ' (VIA_N_1VIA_N_2)) in.Minimum range is only needed, no
Be minimum range be not it is a pair of, discarding is not processed, and is not placed on inside the 4th ordered series of numbers.
In step s 4, the 4th ordered series of numbers is traversed, the coordinate and diameter of pairs of via hole in the 4th ordered series of numbers are obtained, according to via hole
Diameter and setting coordinate selection region, set step S1, S2, S3 obtain via hole VIA_A_ specifically, traversal ordered series of numbers List_C
1, VIA_A_2, VIA_B_1, VIA_B_2 ... coordinate, according to a pair of of via hole VIA diameter, setting coordinate selection region, such as Fig. 3
Shown dashed rectangle.Wherein, the distance D of each pair of via hole is much larger than the distance between a pair of of via hole A, i.e. VIA_A_1 and VIA_A_2
Via hole and VIA_B_1, VIA_B_2 via hole between distance D be much larger than distance A between VIA_A_1 and VIA_A_2.
Technical solution of the present invention efficiently solves PCB design later period differential lines via hole, manually check in threading inspection
It is time-consuming and laborious, check that low efficiency, the not high problem of accuracy can avoid making because slipping and manually checking when wiring installation's teacher design
It is wasted at the plenty of time, signal matter can improved to avoid signal because of problems of Signal Integrity caused by wearing difference through hole to signal
Also PCB design efficiency is greatly improved while amount, saves time and human cost.
Embodiment two
As shown in figure 4, the embodiment of the invention also provides a kind of method that differential lines via hole threading checks in PCB design,
Include:
S1 obtains pcb board whole differential pair, and each pair of differential lines is stored in the first ordered series of numbers；
S2 traverses the first ordered series of numbers, obtains the first connecting line and the second connecting line of each pair of differential lines, obtains the first connection
Via hole on line, and be stored in the second ordered series of numbers, the via hole on the second connecting line is obtained, and be stored in third ordered series of numbers；
S3, calculates in the second ordered series of numbers the distance between via hole in via hole and third ordered series of numbers, selected distance it is the smallest this to mistake
Hole is stored in pairs in the 4th ordered series of numbers；
S4 traverses the 4th ordered series of numbers, obtains in the 4th ordered series of numbers the coordinate and diameter of via hole in pairs, according to via diameter and
Setting coordinate selection region；
S5 judges to set in selection region with the presence or absence of line segment；
S6 is stored in the 4th ordered series of numbers if it does, obtaining the line segment in setting selection region；Continue to execute step S8；
S7, if it does not exist, then illustrating do not have line segment to pass through differential lines via hole in pcb board design；
S8 obtains the line segment in setting selection region, is stored in the 4th ordered series of numbers, traverse the 4th ordered series of numbers middle conductor, chooses
The line segment different from level where the first connecting line and the second connecting line, as across the line segment of via hole.
In step s 8, the line segment different from level where the first connecting line and the second connecting line is chosen to specifically include:
S81 is inquired with the presence or absence of layer is changed on differential signal line, if it does, obtaining the first connecting line, the second connecting line changes
The section information of layer front and back, then the information with the 4th ordered series of numbers middle conductor compares, if section information is not identical, to wear
The line segment of via hole；If section information is identical, ignore, checks next signal line.
Preferably, further includes: S82 ignores if not changing layer, checks next signal line.
Wherein, it inquires true particular by whether there is via hole on differential signal line with the presence or absence of layer is changed on differential signal line
Fixed, if fruit, which there are via hole, illustrates to exist, changes layer, if there is no via hole, then there is no change layer to explanation.
In step S81, section information may include the number of via hole, the coordinate of via hole, via hole connection two layer signals
Origin coordinates, level, line width of line etc..
Embodiment three
As shown in fig. 6, the embodiment of the invention also provides a kind of method that differential lines via hole threading checks in PCB design,
Include:
S1 obtains pcb board whole differential pair, and each pair of differential lines is stored in the first ordered series of numbers；
S2 traverses the first ordered series of numbers, obtains the first connecting line and the second connecting line of each pair of differential lines, obtains the first connection
Via hole on line, and be stored in the second ordered series of numbers, the via hole on the second connecting line is obtained, and be stored in third ordered series of numbers；
S3, calculates in the second ordered series of numbers the distance between via hole in via hole and third ordered series of numbers, selected distance it is the smallest this to mistake
Hole is stored in pairs in the 4th ordered series of numbers；
S4 traverses the 4th ordered series of numbers, obtains in the 4th ordered series of numbers the coordinate and diameter of via hole in pairs, according to via diameter and
Setting coordinate selection region；
S5 judges to set in selection region with the presence or absence of line segment；
S6 is stored in the 4th ordered series of numbers if it does, obtaining the line segment in setting selection region；Continue to execute step S8；
S7, if it does not exist, then illustrating do not have line segment to pass through differential lines via hole in pcb board design；
S8 obtains the line segment in setting selection region, is stored in the 4th ordered series of numbers, traverse the 4th ordered series of numbers middle conductor, chooses
The line segment different from level where the first connecting line and the second connecting line, as across the line segment of via hole.
S9 records and stores the coordinate for existing across the via hole of via hole line segment.
In step s 9, the line segment in ordered series of numbers List_C is traversed, can be found out and the first connecting line NET1, the second connecting line
The line segment of different level, the as line segment across hole where NET2, because every differential signal line might have multiple via holes,
Judgement have after the line segment of hole, can by the coordinate record of this group of via hole to and save, can save in the database, until check
Complete all difference through holes can show all information.Operation result can be prompted in the form of report after end of run, be clicked
Coordinate in report can navigate to specific position, it is preferable that can increase a cross among the differential lines via hole of threading
Line is easy-to-look-up as mark.Technical solution of the present invention can be checked with subregion, improved and checked efficiency, and be used only and calculate
Machine can realize function, be not necessarily to other memories, processor, display.
The acquisition of various parameters can be obtained using axlDBGetDesign () function in technical solution of the present invention, can also
To be obtained using other forms, the present invention is herein with no restrictions.
Example IV
As shown in fig. 7, the embodiment of the invention also provides the device that differential lines via hole threading checks in a kind of PCB design,
Include:
Differential lines obtain module 101, obtain pcb board whole differential pair, and each pair of differential lines are stored in the first ordered series of numbers
In；
Via hole obtains module 102, traverses the first ordered series of numbers, obtains the first connecting line and the second connection of each pair of differential lines
Line obtains the via hole on the first connecting line, and is stored in the second ordered series of numbers, obtains the via hole on the second connecting line, and be stored in
In third ordered series of numbers；
Via hole distance calculation module 103 calculates the distance between via hole and via hole in third ordered series of numbers in the second ordered series of numbers, chooses
Via hole is stored in pairs in the 4th ordered series of numbers apart from the smallest this；
Selection region module 104 is set, the 4th ordered series of numbers is traversed, obtains in the 4th ordered series of numbers the coordinate of via hole in pairs and straight
Diameter, according to via diameter and setting coordinate selection region；
Judgment module 105 judges to set with the presence or absence of line segment in selection region, if it does, obtaining setting selection region
Interior line segment is stored in the 4th ordered series of numbers, if it does not exist, then illustrating do not have line segment to pass through differential lines via hole in pcb board design.
Embodiment five
As shown in figure 8, the embodiment of the invention also provides the device that differential lines via hole threading checks in a kind of PCB design,
Include:
Differential lines obtain module 101, obtain pcb board whole differential pair, and each pair of differential lines are stored in the first ordered series of numbers
In；
Via hole obtains module 102, traverses the first ordered series of numbers, obtains the first connecting line and the second connection of each pair of differential lines
Line obtains the via hole on the first connecting line, and is stored in the second ordered series of numbers, obtains the via hole on the second connecting line, and be stored in
In third ordered series of numbers；
Via hole distance calculation module 103 calculates the distance between via hole and via hole in third ordered series of numbers in the second ordered series of numbers, chooses
Via hole is stored in pairs in the 4th ordered series of numbers apart from the smallest this；
Selection region module 104 is set, the 4th ordered series of numbers is traversed, obtains in the 4th ordered series of numbers the coordinate of via hole in pairs and straight
Diameter, according to via diameter and setting coordinate selection region；
Judgment module 105 judges to set with the presence or absence of line segment in selection region, if it does, obtaining setting selection region
Interior line segment is stored in the 4th ordered series of numbers, if it does not exist, then illustrating do not have line segment to pass through differential lines via hole in pcb board design；
Module 106 is chosen across via hole line segment, if setting regions memory obtains the line in setting selection region in line segment
Section, is stored in the 4th ordered series of numbers, traverses the 4th ordered series of numbers middle conductor, chooses and level where the first connecting line and the second connecting line
Different line segment, as across the line segment of via hole.
Embodiment six
As shown in figure 9, the embodiment of the invention also provides the device that differential lines via hole threading checks in a kind of PCB design,
Include:
Differential lines obtain module 101, obtain pcb board whole differential pair, and each pair of differential lines are stored in the first ordered series of numbers
In；
Via hole obtains module 102, traverses the first ordered series of numbers, obtains the first connecting line and the second connection of each pair of differential lines
Line obtains the via hole on the first connecting line, and is stored in the second ordered series of numbers, obtains the via hole on the second connecting line, and be stored in
In third ordered series of numbers；
Via hole distance calculation module 103 calculates the distance between via hole and via hole in third ordered series of numbers in the second ordered series of numbers, chooses
Via hole is stored in pairs in the 4th ordered series of numbers apart from the smallest this；
Selection region module 104 is set, the 4th ordered series of numbers is traversed, obtains in the 4th ordered series of numbers the coordinate of via hole in pairs and straight
Diameter, according to via diameter and setting coordinate selection region；
Judgment module 105 judges to set with the presence or absence of line segment in selection region, if it does, obtaining setting selection region
Interior line segment is stored in the 4th ordered series of numbers, if it does not exist, then illustrating do not have line segment to pass through differential lines via hole in pcb board design；
Module 106 is chosen across via hole line segment, if setting regions memory obtains the line in setting selection region in line segment
Section, is stored in the 4th ordered series of numbers, traverses the 4th ordered series of numbers middle conductor, chooses and level where the first connecting line and the second connecting line
Different line segment, as across the line segment of via hole；
Record storage module 107 records and stores the coordinate for existing across the via hole of via hole line segment.
There are a plurality of PCB design softwares on the market at present, Cadence is not only as the most widely used software of industry
It possesses powerful function and a plurality of related softwares support, also as it provides open second development interface and more
Perfect development language library, user can need to carry out secondary development according to itself.Skill language is built in Cadence software
A kind of high-level programming language based on C language and list processing language, Cadence provides interactive mode abundant for skill language
Function, then authoring tool, investment application can greatly improve working efficiency to research skill language.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (10)
1. a kind of method that differential lines via hole threading checks in PCB design, characterized in that include:
Pcb board whole differential pair is obtained, and each pair of differential lines are stored in the first ordered series of numbers；
The first ordered series of numbers is traversed, the first connecting line and the second connecting line of each pair of differential lines are obtained, is obtained on the first connecting line
Via hole, and be stored in the second ordered series of numbers, the via hole on the second connecting line is obtained, and be stored in third ordered series of numbers；
The distance between via hole and via hole in third ordered series of numbers in the second ordered series of numbers are calculated, the smallest this of selected distance protects via hole in pairs
There are in the 4th ordered series of numbers；
The 4th ordered series of numbers is traversed, the coordinate and diameter of pairs of via hole in the 4th ordered series of numbers is obtained, is set according to via diameter and coordinate
Determine selection region；
It whether there is line segment in judgement setting selection region, if it does, obtaining the line segment in setting selection region, be stored in the
In four ordered series of numbers, if it does not exist, then illustrating there is no line segment to pass through differential lines via hole in pcb board design.
2. the method that differential lines via hole threading checks in PCB design according to claim 1, characterized in that further include: such as
Fruit setting regions memory obtains the line segment in setting selection region, is stored in the 4th ordered series of numbers, traverse in the 4th ordered series of numbers in line segment
Line segment chooses the line segment different from level where the first connecting line and the second connecting line, as across the line segment of via hole.
3. the method that differential lines via hole threading checks in PCB design according to claim 2, characterized in that further include: note
It records and stores the coordinate for existing across the via hole of via hole line segment.
4. the method that differential lines via hole threading checks in PCB design according to claim 2, characterized in that the selection
The line segments different from level where the first connecting line and the second connecting line specifically include:
With the presence or absence of layer is changed on inquiry differential signal line, if it does, obtaining the first connecting line, the second connecting line changes before and after layer
Section information, then the information with the 4th ordered series of numbers middle conductor compares, if section information is not identical, for across via hole
Line segment；If section information is identical, ignore, checks next signal line.
5. the method that differential lines via hole threading checks in PCB design according to claim 4, characterized in that further include: such as
Fruit does not change layer, then ignores, and checks next signal line.
6. the method that differential lines via hole threading checks in PCB design according to claim 4, characterized in that the inquiry
It is determining particular by whether there is via hole on differential signal line with the presence or absence of layer is changed on differential signal line.
7. the method that differential lines via hole threading checks in PCB design according to claim 4, characterized in that the level
Information includes the number of via hole, the coordinate of via hole, the origin coordinates of two layers of signal wire of via hole connection, level, line width.
8. the device that differential lines via hole threading checks in a kind of PCB design, characterized in that include:
Differential lines obtain module, obtain pcb board whole differential pair, and each pair of differential lines are stored in the first ordered series of numbers；
Via hole obtains module, traverses the first ordered series of numbers, obtains the first connecting line and the second connecting line of each pair of differential lines, obtains the
Via hole on one connecting line, and be stored in the second ordered series of numbers, the via hole on the second connecting line is obtained, and be stored in third ordered series of numbers
In；
Via hole distance calculation module calculates the distance between via hole and via hole in third ordered series of numbers in the second ordered series of numbers, and selected distance is most
This small is stored in the 4th ordered series of numbers via hole in pairs；
Selection region module is set, the 4th ordered series of numbers is traversed, the coordinate and diameter of pairs of via hole in the 4th ordered series of numbers are obtained, according to mistake
Bore dia and setting coordinate selection region；
Judgment module judges to set with the presence or absence of line segment in selection region, if it does, obtaining the line in setting selection region
Section, is stored in the 4th ordered series of numbers, if it does not exist, then illustrating do not have line segment to pass through differential lines via hole in pcb board design.
9. the method that differential lines via hole threading checks in PCB design according to claim 8, characterized in that further include:
Module is chosen across via hole line segment, if setting regions memory obtains the line segment in setting selection region, save in line segment
In the 4th ordered series of numbers, the 4th ordered series of numbers middle conductor is traversed, is chosen different from level where the first connecting line and the second connecting line
Line segment, as across the line segment of via hole.
10. the method that differential lines via hole threading checks in PCB design according to claim 9, characterized in that further include:
Record storage module records and stores the coordinate for existing across the via hole of via hole line segment.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111291527A (en) * | 2020-01-15 | 2020-06-16 | 苏州浪潮智能科技有限公司 | Differential line spacing checking method, device, equipment and storage medium |
| CN111488719A (en) * | 2020-03-20 | 2020-08-04 | 苏州浪潮智能科技有限公司 | Method and device for automatically forming closed path according to position of via hole |
| CN112066934A (en) * | 2020-09-16 | 2020-12-11 | 深圳市一博科技股份有限公司 | Method for checking intersection or heavy hole problem of via hole discs on same layer of PCB |
| CN112446188A (en) * | 2020-11-06 | 2021-03-05 | 苏州浪潮智能科技有限公司 | Method, device, equipment and storage medium for checking intermediate distances of different differential lines |
| CN114462351A (en) * | 2021-12-28 | 2022-05-10 | 中科可控信息产业有限公司 | Signal routing detection method, device, equipment, storage medium and program product |
-
2019
- 2019-06-26 CN CN201910559642.8A patent/CN110362884A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111291527A (en) * | 2020-01-15 | 2020-06-16 | 苏州浪潮智能科技有限公司 | Differential line spacing checking method, device, equipment and storage medium |
| CN111291527B (en) * | 2020-01-15 | 2022-06-21 | 苏州浪潮智能科技有限公司 | Differential line spacing checking method, device, equipment and storage medium |
| CN111488719A (en) * | 2020-03-20 | 2020-08-04 | 苏州浪潮智能科技有限公司 | Method and device for automatically forming closed path according to position of via hole |
| CN112066934A (en) * | 2020-09-16 | 2020-12-11 | 深圳市一博科技股份有限公司 | Method for checking intersection or heavy hole problem of via hole discs on same layer of PCB |
| CN112066934B (en) * | 2020-09-16 | 2022-04-01 | 深圳市一博科技股份有限公司 | Method for checking intersection or heavy hole problem of via hole discs on same layer of PCB |
| CN112446188A (en) * | 2020-11-06 | 2021-03-05 | 苏州浪潮智能科技有限公司 | Method, device, equipment and storage medium for checking intermediate distances of different differential lines |
| CN112446188B (en) * | 2020-11-06 | 2022-07-12 | 苏州浪潮智能科技有限公司 | Method, device, equipment and storage medium for checking intermediate distances of different differential lines |
| CN114462351A (en) * | 2021-12-28 | 2022-05-10 | 中科可控信息产业有限公司 | Signal routing detection method, device, equipment, storage medium and program product |
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