CN109492329A - A kind of design method of back drill setting - Google Patents
A kind of design method of back drill setting Download PDFInfo
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- CN109492329A CN109492329A CN201811466934.9A CN201811466934A CN109492329A CN 109492329 A CN109492329 A CN 109492329A CN 201811466934 A CN201811466934 A CN 201811466934A CN 109492329 A CN109492329 A CN 109492329A
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- back drill
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- drill
- property
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0005—Apparatus or processes for manufacturing printed circuits for designing circuits by computer
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- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Geometry (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
A kind of design method of back drill setting, comprising the following steps: retrieval back drill message file whether there is, and then establish the port for being directed toward back drill message file if it exists；Read the content of back drill message file line by line by port；The content of back drill message file is split into network name and back drill sets a property；The corresponding network of network name is searched out based on network name；It is set a property based on the back drill in back drill message file to network settings attribute.Solves progress back drill setting in Allegro by means of the present invention, it needs manually to be that back drill network increases back drill attribute, the problem of operating excessively cumbersome and easy error, realize efficiently and be properly completed the back drill setting of network, it greatly improves work efficiency, duplicate workload is reduced, while avoiding the possible mistake of a large amount of manual operation, has ensured the success of research and development of products.
Description
Technical field
This field is related to computer field, and relates more specifically to a kind of design method of back drill setting.
Background technique
PCB (Printed Circuit Board) printed circuit board, also known as printed wiring board, is electronics in electronic product
The carrier of element and the supplier of electronic component connection.The method that traditional circuit board etches resist using printing
The route and drawing of circuit are made, i.e., to one piece of complete copper sheet face, leads to overetched method and removes unwanted part, be left
Copper sheet just carry the function of transmitting electric current (signal), therefore referred to as printed circuit board or printed wiring board.
As the 21 century mankind enter informationized society, the function of product is more and more stronger, and integrated level is higher and higher, signal
Rate is getting faster, and from the point of view of electric property, encapsulation and interconnection are no longer unimpeded and transparent, interconnecting channels for signal
Influence to signal is more and more obvious, and the degree that circuit function is realized that influences has been arrived in the distortion of signal, then how by one
Group signal " complete " " indeformable " is transferred to receiving end, just becomes a new subject, that is, the letter of our addresses
Number integrality (SI).Under normal conditions, the agreement of some high speed signals interconnection all can may influence letter to above in link
The element of number integrality makes requirement, to allow passive link to can achieve corresponding rate requirement.Wherein, for the optimization of via hole
It is the most important thing therein, and via hole back drill is the maximally efficient also the most direct method of promotion signal integrality, therefore
As the back drill of high speed signal on interchanger, server has become essential option in present High Speed PCB Board.
Allegro system interconnection design platform is one complete with production and processing output from principle diagram design to PCB design
Whole, high performance product developing platform.Allegro is directed to the setting and production of back drill, provides many parameters for design.
Designer needs to carry out some necessary settings to back drill, and Allegro can be automatically analyzed out according to these information specific to every
One through-hole or pin this how back drill.Even but Allegro completes most work for us, is left
Workload become very important also with the increase of high speed signal quantity on present product, and be easily easy to produce mistake.
The high speed network for needing back drill on present one piece common high speed board just has as many as several hundred, and complicated framework is often
It is to be built jointly by muti-piece board, needs the quantity of the network of back drill just more terrified at this time.And these need back drill
Network require PCB design person manually to each network carry out back drill setting, and be directed to each network, PCB
Designer must be at least them and carry out the i.e. setting of BACKDRILL_MAX_PTH_STUB of characteristic, so if there is 1,000
Network needs back drill, and PCB design person is with regard to will at least carry out the settings of 1,000 back drill characteristics.This workload be it is huge, i.e.,
Make to be that skilled engineer also will at least take several hours time and be configured, and in the process it is possible that a large amount of
Leakage setting or the fault of numerical value setting mistake, and such a fault will lead to the failure of product with repeatedly, this is not
It is acceptable.So how to reduce this workload or replaced being accomplished manually this work with the machine of more stability and high efficiency
It is made for urgent problem to be solved.
Summary of the invention
In view of this, the purpose of the embodiment of the present invention is to propose a kind of design method of back drill setting, by using this
The method of invention solves progress back drill setting in Allegro, needs manually to be that back drill network increases back drill attribute, operation is excessively
The problem of cumbersome and easy error, realizes efficiently and is properly completed the back drill setting of network, greatly improves work efficiency,
Duplicate workload is reduced, while avoiding the possible mistake of a large amount of manual operation, has ensured the success of research and development of products.
Based on above-mentioned purpose, the one aspect of the embodiment of the present invention provides a kind of design method of back drill setting, packet
Include following steps:
1) retrieval back drill message file whether there is, and then establish the port for being directed toward back drill message file if it exists；
2) content of back drill message file is read line by line by port；
3) content of back drill message file is split into network name and back drill sets a property；
4) the corresponding network of network name is searched out based on network name；
5) it is set a property based on back drill in back drill message file to network settings attribute.
According to one embodiment of present invention, back drill message file includes to need the network name of back drill and corresponding back drill
The corresponding relationship to set a property, back drill, which sets a property, remains stub length value for maximum back drill.
According to one embodiment of present invention, back drill message file includes two column, and first row includes the network for needing back drill
Title, secondary series include corresponding maximum back drill residual stub length value.
According to one embodiment of present invention, first row and secondary series are with tab-delimited.
According to one embodiment of present invention, the format of back drill message file is txt format.
According to one embodiment of present invention, step 1) middle port is established in Allegro.
According to one embodiment of present invention, it includes: retrieval PCB file that step 1) retrieval back drill message file, which whether there is,
Back drill message file under the same catalogue.
According to one embodiment of present invention, this method further include: step 5) includes: the category in the feature collection by network
Property sets a property with the back drill in back drill message file to be compared.
According to one embodiment of present invention, this method further include: the initial layers that back drill allows are set after step 5)
And stop layer.
According to one embodiment of present invention, this method further include: operation Allegro is analyzed to be needed to carry on the back after setting a property
The network of brill, and generate back drill drill drawing.
The present invention has following advantageous effects: whether retrieval back drill message file provided in an embodiment of the present invention is deposited
The port for being directed toward back drill message file is then being established if it exists；Read the content of back drill message file line by line by port；It will back
The content for boring message file splits into network name and back drill sets a property；The corresponding network of network name is searched out based on network name；
Based on the technical solution that back drill in back drill message file sets a property to network settings attribute, solves in Allegro and carried on the back
It is drilled with and sets, need manually to be the problem of back drill network increases back drill attribute, operates excessively cumbersome and easy error, realize efficiently
And it is properly completed the back drill setting of network, it greatly improves work efficiency, reduces duplicate workload, while avoiding a large amount of
The possible mistake of manual operation, ensured the success of research and development of products.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other embodiments are obtained according to these attached drawings.
Fig. 1 is the schematic stream according to the design method of the back drill setting based on Allegro of one embodiment of the invention
Cheng Tu；
Fig. 2 is the schematic diagram according to the back drill message file of another embodiment of the present invention；
Fig. 3 is the schematic diagram according to the network of the not set attribute of another embodiment of the present invention；
Fig. 4 is the schematic diagram according to the network of another embodiment of the present invention to set a property automatically；
Fig. 5 is the schematic diagram analyzed according to the back drill of another embodiment of the present invention；
Fig. 6 is the schematic diagram according to the back drill drill drawing of another embodiment of the present invention；
Fig. 7 is the flow chart being arranged according to the back drill attribute of another embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
The embodiment of the present invention is further described in attached drawing.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer
It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
Based on above-mentioned purpose, the first aspect of the embodiment of the present invention proposes a kind of design method of back drill setting
One embodiment.Shown in fig. 1 is the schematic flow chart of this method.
As shown in fig. 1, this method may comprise steps of:
Step S101, retrieval back drill message file whether there is, and then establish the port for being directed toward back drill message file if it exists；
Step S102 reads the content of back drill message file by port line by line；
The content of back drill message file is split into network name and back drill sets a property by step S103；
Step S104 searches out the corresponding network of network name based on network name；
Step S105 is set a property based on the back drill in back drill message file to network settings attribute.
It by above technical scheme, solves progress back drill setting in Allegro, needs manually to be that back drill network increases back
The problem of boring attribute, operating excessively cumbersome and easy error realizes efficiently and is properly completed the back drill setting of network, significantly
It improves work efficiency, reduces duplicate workload, while avoiding the possible mistake of a large amount of manual operation, ensure
The success of research and development of products.
In a preferred embodiment of the invention, as shown in Fig. 2, back drill message file includes the network name for needing back drill
Claim the corresponding relationship to set a property with corresponding back drill, back drill, which sets a property, remains stub length value for maximum back drill.At this
In one preferred embodiment of invention, back drill message file includes two column, and first row includes the network name for needing back drill, and second
Column include that corresponding maximum back drill remains stub length value.In a preferred embodiment of the invention, first row and second
It arranges with tab-delimited.In a preferred embodiment of the invention, the format of back drill message file is txt format, and will back
It bores message file and is named as NetBD.txt.
In a preferred embodiment of the invention, step S101 middle port is established in Allegro.
In a preferred embodiment of the invention, it includes: retrieval that step S101, which retrieves back drill message file whether there is,
Back drill message file under the same catalogue of PCB file.
In a preferred embodiment of the invention, step S105 includes: by the attribute of network and back drill message file
Back drill, which sets a property, to be compared.In a preferred embodiment of the invention, this method further include: set after step S105
Set the initial layers and stop layer of back drill permission.
The program write process provides one with Allegro secondary development language AXLSKILL, user need to lead
After entering this program, program can carry out back drill setting automatically according to back drill message file, and detailed process is as follows:
After user needs to import this program, program can carry out back drill setting, tool automatically according to back drill message file
Body process is as follows:
1. needing to import program, the addition in the skill configuration file " allegro.ilinit " of Allegro
" load (" backDrillRun.il ") " this line, after the completion of addition, each Allegro starting, which can be all automatically imported, later changes
Program does not need user and is once again set up；
2. back drill message file is put under the identical file of PCB file, back drill message file needs are named as
" NetBD.txt ", file format is as shown in Fig. 2, wherein first be classified as the network name for needing back drill, second is classified as
The numerical value of BACKDRILL_MAX_PTH_STUB；
3. after starting Allegro, startup program after " bdrn " carriage return is inputted in the interactive window of Allegro, program is automatic
It is that network completes back drill setting according to back drill message file, as shown in fig. 7, the inside operating process of program are as follows:
A. it whether there is in file retrieval back drill message file where PCB file, carried on the back if there is no prompt is then popped up
It bores message file and rear program determination is not present, if back drill message file exists, set up in Allegro and be directed toward the back drill
The port of message file, for carrying out the interaction of the file information；
B. after setting up port, read the content of back drill message file line by line by port, the content of every a line be for
Some network needs how to carry out the setting of back drill, until file is read completely；
C. port in a line content read at file while including the network name and the network for needing back drill
The numerical value that the needs of BACKDRILL_MAX_PTH_STUB are arranged not directly is arranged for back drill, needs first by this line content
It splits into network name and BACKDRILL_MAX_PTH_STUB numerical value is respectively processed；
D. according to the network name obtained after processing, the corresponding network of this network name and the feature set of the network are searched out
It closes；
E. whether the characteristic of the corresponding network of retrieval network name has BACKDRILL_MAX_PTH_STUB in conjunction with inner, if tool
There is BACKDRILL_MAX_PTH_STUB, whether numerical value is consistent in back drill message file, if both met, the net
Network has carried out back drill setting, does not need to carry out additional setting, otherwise, as long as determining twice is once no, basis
Numerical value in back drill message file is to network of Central Monitoring Room BACKDRILL_MAX_PTH_STUB；
F. after the setting to be done to network in a line content read, judge completely, i.e., whether file read
Need to carry out back drill setting there are also network, if in addition, if continue read file and be configured until file read completely, such as
Fruit file is read completely, then program determination.
4. after the end of the program, the network in back drill information has all been carried out back drill setting, Allegro can star
Back drill analytic function and provide back drill file.
After having used this method, PCB design person only needs to provide back drill message file, and needs to be believed according to back drill before
Breath manually to network carry out back drill setting the step for, then be all automatically performed by program, this considerably reduce workload and
Working time, even all back drill settings can also be completed in ten seconds by having thousands of networks to need to carry out back drill program,
The workload of a few houres when this is compared to manual operation before, working efficiency have obtained huge raising；Also, program is run
Stability with setting is that manual operation is incommensurable, and artificial setting recurrent leakage before huge workload sets, is wrong
If fault, be all not in program, have extremely strong stability and accuracy rate, ensured that product successfully may be used significantly
Energy.
Embodiment
The pcb board of back drill is set not yet for one piece, as shown in figure 3, the networks such as GPU1B_PEX0_TX0_N are not yet
It is coupled with back drill attribute (BACKDRILL_MAX_PTH_STUB).The file transformation with back drill information provided according to developer
For specified back drill message file as shown in Figure 2, the back drill information comprising networks such as GPU1B_PEX0_TX0_N, by this document
It is placed under the same catalogue of pcb board.In Allegro, operation " bdrn " order.Keep the networks such as GPU1B_PEX0_TX0_N automatic
Back drill setting is carried out, as shown in Figure 4.It is then possible to be this several with the back drill analytic function of Allegro that is setting rule
Via hole on network carries out back drill analysis and generates back drill drill drawing, as shown in Figure 5,6.
It by using the present invention, solves progress back drill setting in Allegro, needs manually to be that back drill network increases back drill
Attribute, realizes efficiently and is properly completed the back drill setting of network, mention significantly the problem of operating excessively cumbersome and easy error
High working efficiency, reduces duplicate workload, while avoiding the possible mistake of a large amount of manual operation, has ensured production
The success of product research and development.
Those skilled in the art will also understand is that, various illustrative logical blocks, mould in conjunction with described in disclosure herein
Block, circuit and algorithm steps may be implemented as the combination of electronic hardware, computer software or both.It is hard in order to clearly demonstrate
This interchangeability of part and software, with regard to various exemplary components, square, module, circuit and step function to its into
General description is gone.This function is implemented as software and is also implemented as hardware depending on concrete application and application
To the design constraint of whole system.The function that those skilled in the art can realize in various ways for every kind of concrete application
Can, but this realization decision should not be interpreted as causing a departure from range disclosed by the embodiments of the present invention.
It is exemplary embodiment disclosed by the invention above, it should be noted that in the sheet limited without departing substantially from claim
Under the premise of inventive embodiments scope of disclosure, it may be many modifications and modify.According to open embodiment described herein
The function of claim to a method, step and/or movement be not required to the execution of any particular order.In addition, although the present invention is implemented
Element disclosed in example can be described or be required in the form of individual, but be unless explicitly limited odd number, it is understood that be multiple.
Above-described embodiment, especially any " preferably " embodiment are the possibility examples realized, and only for clear geography
It solves the principle of the present invention and proposes.It can be in the case where not departing from the spirit and principle of techniques described herein to above-mentioned reality
It applies example and carries out many change and modification.All modifications are intended to be included in the scope of the present disclosure and are protected by appended claims
Shield.
Claims (10)
1. a kind of design method of back drill setting, which comprises the following steps:
1) retrieval back drill message file whether there is, and then establish the port for being directed toward the back drill message file if it exists；
2) content of the back drill message file is read line by line by the port；
3) content of the back drill message file is split into network name and back drill sets a property；
4) the corresponding network of the network name is searched out based on the network name；
5) it is set a property based on the back drill in the back drill message file to the network settings attribute.
2. the method according to claim 1, wherein the back drill message file includes the network name for needing back drill
Claim the corresponding relationship to set a property with corresponding back drill, the back drill, which sets a property, remains stub length value for maximum back drill.
3. according to the method described in claim 2, first row includes it is characterized in that, the back drill message file includes two column
The network name for needing back drill, secondary series include the corresponding maximum back drill residual stub length value.
4. according to the method described in claim 3, it is characterized in that, the first row and the secondary series are with tab-delimited.
5. according to the method described in claim 4, it is characterized in that, the format of the back drill message file is txt format.
6. the method according to claim 1, wherein port described in step 1) is established in Allegro.
7. the method according to claim 1, wherein step 1) retrieval back drill message file is with the presence or absence of including:
Retrieve the back drill message file under the same catalogue of PCB file.
8. the method according to claim 1, wherein step 5) includes: will be in the feature collection of the network
Attribute sets a property with the back drill in the back drill message file and is compared.
9. the method according to claim 1, wherein further include: that back drill allows is set after step 5)
Beginning layer and stop layer.
10. according to the method described in claim 9, it is characterized by further comprising: operation Allegro is analyzed after setting a property
The network of back drill is needed, and generates back drill drill drawing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466934.9A CN109492329B (en) | 2018-12-03 | 2018-12-03 | Design method of back drilling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811466934.9A CN109492329B (en) | 2018-12-03 | 2018-12-03 | Design method of back drilling device |
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| CN109492329A true CN109492329A (en) | 2019-03-19 |
| CN109492329B CN109492329B (en) | 2022-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110502848A (en) * | 2019-08-27 | 2019-11-26 | 京信通信系统（中国）有限公司 | Delete method, apparatus, equipment and the storage medium in back drill hole in PCB design figure |
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| CN110502848A (en) * | 2019-08-27 | 2019-11-26 | 京信通信系统（中国）有限公司 | Delete method, apparatus, equipment and the storage medium in back drill hole in PCB design figure |
| CN110502848B (en) * | 2019-08-27 | 2023-09-01 | 京信网络系统股份有限公司 | Method, device, equipment and storage medium for deleting back drilling holes in PCB design drawing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109492329B (en) | 2022-02-22 |
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