CN110287603A - A kind of circuit auxiliary design method and device based on CBB circuit library - Google Patents
A kind of circuit auxiliary design method and device based on CBB circuit library Download PDFInfo
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- CN110287603A CN110287603A CN201910567175.3A CN201910567175A CN110287603A CN 110287603 A CN110287603 A CN 110287603A CN 201910567175 A CN201910567175 A CN 201910567175A CN 110287603 A CN110287603 A CN 110287603A
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Abstract
The present invention relates to a kind of circuit auxiliary design method and device based on CBB circuit library, belongs to technical field of circuit design, solves the problems, such as that the normalization of circuit design and quality stability are poor, and method includes the access library CBB, the modular circuit of search circuit design；And the maturity according to the modular circuit in search result, modular circuit calling is carried out, the modular circuit of calling is added in circuit diagram；The circuit diagram is imported into PCB figure, for the modular circuit for including in circuit diagram, exports corresponding PCB figure from the library CBB, positioning is carried out and puts and circuit network information refresh synchronization, draw PCB figure.Development efficiency can be improved in the present invention, and specification circuit design promotes the normalization and quality stability of circuit design.
Description
Technical field
The present invention relates in technical field of circuit design, especially a kind of Circuit Aided Design side based on CBB circuit library
Method.
Background technique
Current circuit design method is mainly carried out by designer according to accumulating experience or referring to homogeneous circuit in the past,
The normalization of design circuit is difficult to determine, will appear the circuit of obvious design defect in design process, and identical problem may be
Repeat on different circuits, solve repeatedly, the normalization and quality stability of circuit design are poor.
Summary of the invention
In view of above-mentioned analysis, the present invention is intended to provide a kind of circuit design method based on CBB circuit library, circuit design
Normalization and quality stability difference problem.
The purpose of the present invention is mainly achieved through the following technical solutions:
One aspect of the present invention discloses a kind of circuit auxiliary design method based on CBB circuit library, including,
Access the library CBB, the modular circuit of search circuit design；And the maturation according to the modular circuit in search result
Degree carries out modular circuit calling, the modular circuit of calling is added in circuit diagram；
The circuit diagram is imported into PCB figure, for the modular circuit for including in circuit diagram, from the library CBB
Corresponding PCB figure is exported, positioning is carried out and puts and circuit network information refresh synchronization, draw PCB figure.
Further, the modular circuit file stored in the library CBB, including circuit engineering corresponding with modular circuit text
Part, principle map file, PCB file and modular circuit related description document；The engineering name of the CBB circuit, schematic diagram title,
PCB title and illustrate that document title is identical as the title of modular circuit.
Further, the search of the modular circuit includes being scanned for by the classification chart of circuit in the library CBB, Huo Zhetong
Input keyword is crossed to scan for；The keyword includes wrapping in specific word or word, modular circuit in the title of modular circuit
The word in device name or word that include and illustrate specific word or word in document.
Further, by being counted to modular circuit applicable cases and call number, the maturation of determining module circuit
Degree.
It further, further include the adding module circuit in the library CBB, addition step includes:
1) modular circuit is made using circuit design system；
2) modular circuit is subjected to upload audit；
3) audit verification is carried out to the schematic diagram of modular circuit, PCB figure and related description document；
4) modular circuit by auditing is issued；
Modular circuit after the publication is to call modular circuit in the library CBB.
Further, it executes following step and obtains the schematic diagram:
1) CBB circuit library is accessed by the interface between circuit design system and CBB circuit library, searched in CBB circuit library
Whether include design modular circuit, nothing designs new modular circuit, and according to modular circuit adding method, makes, adds
Add modular circuit into CBB circuit library, sets low for the maturity of the modular circuit；Have, then enters 2)
2) further whether the maturity of judgment module circuit meets design condition, is then to call directly modular circuit
Schematic diagram, device position number in update module circuit, is added in the schematic diagram of design, and the maturity of the modular circuit is turned up；
It is no, then enter 3)；
3) it to the modular circuit for being unsatisfactory for maturity, is designed and compatibility is required to judge, if met, call directly
The schematic diagram of modular circuit, device position number in update module circuit, is added in the schematic diagram of design, and the modular circuit is turned up
Maturity；If do not met, is modified according to design requirement to module circuit schematic, forms new modular circuit,
And according to modular circuit adding method, production, adding module circuit are into CBB circuit library.
Further, the PCB figure plot step includes；
1) modular circuit in the schematic diagram of importing is positioned in PCB figure；
Specifically, first the modular circuit for including in schematic diagram is put to predetermined position, then from schematic diagram with Room
The position number of extraction module circuit；
2) according to the position number of modular circuit, corresponding PCB figure is exported from the library CBB, modular circuit device is placed into PCB figure
Corresponding Room in paper replaces existing device in Room；
3) refresh circuit network, by the network information synchronization of modular circuit into PCB drawing, and it is related to export design circuit
Information.
The invention also discloses a kind of Circuit Aided Design devices based on such as above-mentioned circuit auxiliary design method, including,
Principle diagram design module, PCB figure drafting module and CBB circuit library；
The CBB circuit library is used for memory module circuit file, and the modular circuit file includes corresponding with modular circuit
Circuit engineering file, principle map file, PCB file and modular circuit related description document；
The principle diagram design module, for accessing the library CBB, the modular circuit of search circuit design；And foundation is searched
The maturity of modular circuit in hitch fruit carries out modular circuit calling, the modular circuit of calling is added to circuit diagram
In；
The PCB figure drafting module, for the circuit diagram to be imported into PCB figure, in circuit diagram
Including modular circuit, export corresponding PCB figure from the library CBB, carry out positioning and put and circuit network information refresh synchronization, draw
PCB figure processed.
Further, the specific design process of the principle diagram design module includes:
1) access CBB circuit library, search in CBB circuit library whether include design modular circuit, nothing designs new
Modular circuit, and according to modular circuit adding method, production, adding module circuit are into CBB circuit library, by the modular circuit
Maturity be set as low；Have, then enters 2)
2) further whether the maturity of judgment module circuit meets design condition, is then to call directly modular circuit
Schematic diagram, device position number in update module circuit, is added in the schematic diagram of design, and the maturity of the modular circuit is turned up；
It is no, then enter 3)；
3) it to the modular circuit for being unsatisfactory for maturity, is designed and compatibility is required to judge, if met, call directly
The schematic diagram of modular circuit, device position number in update module circuit, is added in the schematic diagram of design, and the modular circuit is turned up
Maturity；If do not met, is modified according to design requirement to module circuit schematic, forms new modular circuit,
And according to modular circuit adding method, production, adding module circuit are into CBB circuit library.
Further, the specific drawing process of the PCB figure drafting module includes:
1) modular circuit in the schematic diagram of importing is positioned in PCB figure；
First the modular circuit for including in schematic diagram is put to predetermined position with Room, then the extraction module from schematic diagram
The position number of circuit；
2) according to the position number of modular circuit, corresponding PCB figure is exported from the library CBB, modular circuit device is placed into PCB figure
Corresponding Room in paper replaces existing device in Room；
3) refresh circuit network, by the network information synchronization of modular circuit into PCB drawing, and it is related to export design circuit
Information.
The present invention has the beneficial effect that:
The present invention calls directly the minimum circuit in CBB circuit library by establishing CBB circuit library, and in circuit design
It is combined design and reaches following effect:
1, development efficiency is improved, facilitates project and quickly develops；
2, specification circuit design promotes the normalization and quality stability of circuit design；
3, hardware capabilities are embodied, carry out circuit design capability improving on this basis.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not to be construed as limiting the invention, in entire attached drawing
In, identical reference symbol indicates identical component.
Fig. 1 is the circuit auxiliary design method flow chart in the embodiment of the present invention；
Fig. 2 is the circuit auxiliary device method flow diagram in the embodiment of the present invention.
Specific embodiment
Specifically describing the preferred embodiment of the present invention with reference to the accompanying drawing, wherein attached drawing constitutes the application a part, and
Together with embodiments of the present invention for illustrating the principle of the present invention.
Present embodiment discloses a kind of circuit auxiliary design method and device based on CBB circuit library, by hardware design electricity
Road forms CBB circuit (Common Building Block common Building Block) as unit of minimum circuit, establishes CBB circuit
Library calls the CBB circuit in CBB circuit library in circuit design, guarantees the normalization and quality stability of circuit design.
As shown, the circuit auxiliary design method in the present embodiment, including,
Step S1, principle diagram design step: when carrying out schematic diagram design using circuit design system, pass through access
The library CBB, the modular circuit of search circuit design；And the maturity according to the modular circuit, modular circuit calling is carried out,
It is added in circuit diagram；
Step S2, when carrying out circuit PCB figure drafting, the circuit diagram PCB figure plot step: is imported into PCB figure
In, for the modular circuit for including in circuit diagram, corresponding PCB figure is exported from the library CBB, positioning is carried out and puts and circuit
Network information refresh synchronization draws PCB figure.
Preferably, the modular circuit stored in the library CBB, for the circuit as unit of minimum circuit.In the library CBB
In catalogue the modular circuit of the storage；
The cataloguing includes multistage catalogue, can be used for being indexed modular circuit, the rank and title of cataloguing are set in advance
It is fixed, it can establish in CBB circuit library and be adjusted in maintenance process.
Table 1 gives one and edits and records example for CBB circuit library.
CBB circuit library example directories
| 1 | Processor family | 5 | Power supply |
| 1.1 | DSP series | 5.1 | 28V turns 12V module |
| 1.2 | FPGA series | 5.2 | 28V turns 5V module |
| 1.3 | SOC series | 5.3 | 28V becomes a full member negative 12V module |
| 1.4 | ARM core circuit | 5.4 | 28V becomes a full member negative 5V module |
| 1.5 | Single-chip microcontroller series | 5.5 | 5V turns 3.3V |
| 2 | Communication interface | 5.6 | 5V turns 1.2V |
| 2.1 | 232 | 5.7 | 28V turns 3.3V Switching Power Supply |
| 2.2 | 485 | 5.8 | Charging energy-storing circuit |
| 2.3 | 422 | 6 | Memory device |
| 2.4 | CAN | 6.1 | Flash |
| 2.5 | Ethernet | 6.2 | EEPROM |
| 2.6 | 1553B | 6.3 | SD card |
| 2.7 | Fiber optic Ethernet | 7 | Memory |
| 2.8 | Optical fiber 1553B | 7.1 | RAM |
| 3 | Input interface | 7.2 | DDR |
| 3.1 | Passive contact detection | 8 | Analog circuit |
| 3.2 | Active contact detection | 8.1 | A/D Acquisition Circuit |
| 3.3 | Linear voltage detection | 8.2 | D/A Acquisition Circuit |
| 4 | Output interface | 8.3 | Operational amplifier circuit |
| 4.1 | Small current driving circuit (driving relay) | ||
| 4.2 | Electromagnetic relay circuit | ||
| 4.3 | Solid-state relay circuit | ||
| 4.4 | Metal-oxide-semiconductor driving circuit |
Modular circuit file in the CBB circuit library, including circuit engineering file corresponding with modular circuit, schematic diagram
File, PCB file and modular circuit related description document；The engineering name of the CBB circuit, schematic diagram title, PCB title and
Illustrate that document title is identical as the title of modular circuit.
Preferably, CBB circuit library can pass through ADMS (Altium Design Management System) system of Altium
System customization service, is integrated in Altium software, to facilitate circuit designers when carrying out circuit design using Altium software,
The circuit called directly in CBB circuit library is designed.
Specifically, can be scanned for by the classification chart of circuit in the library CBB, or searched by inputting keyword
Rope；The keyword includes the word in the device name for including in specific word or word, modular circuit in the title of modular circuit
Or word and illustrate specific word or word in document.
Preferably, by being counted to modular circuit applicable cases and call number, the maturity of determining module circuit.
According to the applicable cases of modular circuit, the circuit types of definition has: it is existing for the circuit of Prototype Design, by item
Mesh answers used circuit, answers in formal model used circuit, completes the circuit in the product of volume production, and in multiple products
In answer used mature circuit etc.；The different maturity of different types of circuit definitions, in same type, according to called
The number adopted corresponds to different maturity.
Specific maturity grade classification example, such as table 2
Table 2, CBB circuit library maturity define table
Modular circuit can be concluded by the previous minimum circuit of collection, arrange after be added in the library CBB,
New modular circuit can be designed and produced according to design requirement to be added in the library CBB,
Adding method in the present embodiment, to the modular circuit newly applied in the library CBB, comprising:
1) modular circuit is made using circuit design system；
The modular circuit file of production includes CBB circuit engineering file, principle map file, PCB file and modular circuit phase
Close document.Engineering name, schematic diagram title and the PCB title of modular circuit must be identical as CBB circuit name.The schematic diagram
File includes the schematic diagram of modular circuit；PCB in the PCB file including modular circuit schemes.
2) the modular circuit file is uploaded；
Specifically, when uploading to modular circuit file, while the type of confirmation module circuit diagram preview, preview type can be with
It is whole drawing of selection region preview or preview.
If preview type is selection region, in preview, the frame choosing instruction of input is received, includes according to frame choosing instruction
Starting point and clearing end select preliminary preview graph region；After the completion of selection, waits whether gravity treatment instructs, refer to if receiving gravity treatment
It enables, then cancels preliminary preview area；It is instructed if receiving without gravity treatment, the preliminary preview graph region is confirmed, determined
Preview area.
Whole drawing: if it is whole drawing, preview graph will be generated automatically.
After the completion of preview graph selection, parameter can be added for modular circuit associated documents automatically；
3) audit verification is carried out to the schematic diagram of modular circuit, PCB figure and related description document；
It is verified, is on the one hand can be confirmed without design mistake in newly added modular circuit by audit, if on the other hand
Engineer has carried out artificial modification to standard module circuit, can be verified by verification to modular circuit；
Verification is divided into parameter verification and network verification, and parameter verification can be to the device parameters progress of CBB circuit in schematic diagram
Then verification generates parameter report；Network verification can verify CBB circuit network in schematic diagram, then generate network report
It accuses,
By parameter report and network report, checking for device and circuit network can be carried out in schematic diagram,
Parameter will can also be reported and network report exports in Excel template, and generate the CBB circuit of Excel version
Verification report.
4) modular circuit by auditing is issued；
Modular circuit after the publication is to call modular circuit in the library CBB.
In the present embodiment, specifically, the principle diagram design step includes:
1) CBB circuit library is accessed by the interface between circuit design system and CBB circuit library, searched in CBB circuit library
Whether include design modular circuit, nothing designs new modular circuit, and according to modular circuit adding method, makes, adds
Add modular circuit into CBB circuit library, sets low for the maturity of the modular circuit；Have, then enters 2)
2) further whether the maturity of judgment module circuit meets design condition, is then to call directly modular circuit
Schematic diagram, device position number in update module circuit, is added in the schematic diagram of design, and the maturity of the modular circuit is turned up；
It is no, then enter 3)；
3) it to the modular circuit for being unsatisfactory for maturity, is designed and compatibility is required to judge, if met, call directly
The schematic diagram of modular circuit, device position number in update module circuit, is added in the schematic diagram of design, and the modular circuit is turned up
Maturity；If do not met, is modified according to design requirement to module circuit schematic, forms new modular circuit,
And according to modular circuit adding method, production, adding module circuit are into CBB circuit library.
In the present embodiment, specifically, the PCB figure plot step includes；
1) modular circuit in the schematic diagram of importing is positioned in PCB figure；
Specifically, first the modular circuit for including in schematic diagram is put to predetermined position, then from schematic diagram with Room
The position number of extraction module circuit；
2) according to the position number of modular circuit, corresponding PCB figure is exported from the library CBB, modular circuit device is placed into PCB figure
Corresponding Room in paper replaces existing device in Room；
3) refresh circuit network, by the network information synchronization of modular circuit into PCB drawing, and it is related to export design circuit
Information.
The present embodiment also discloses a kind of Circuit Aided Design device based on such as above-mentioned circuit auxiliary design method, including
Principle diagram design module, PCB figure drafting module and CBB circuit library；
CBB circuit library, the modular circuit that storage can be called by principle diagram design module and PCB figure drafting module；The mould
Block circuit file includes that circuit engineering file corresponding with modular circuit, principle map file, PCB file and modular circuit are mutually spoken on somebody's behalf
Plaintext shelves；
Principle diagram design module accesses the library CBB in schematic diagram design, according to the search key received,
The modular circuit with the keyword match is searched in the library CBB；And judge whether the maturity of the corresponding module circuit searched is full
Foot requires, and the modular circuit is called when meeting the requirements, the modular circuit is added in circuit diagram；
The circuit diagram is imported into PCB figure by PCB figure drafting module when carrying out circuit PCB figure drafting, for
The modular circuit for including in circuit diagram imports corresponding PCB figure from the library CBB, carries out positioning and puts and circuit network letter
Refresh synchronization is ceased, PCB figure is drawn.
Specifically, the course of work of principle diagram design module includes:
1) access CBB circuit library, search in CBB circuit library whether include design modular circuit, nothing designs new
Modular circuit, and according to modular circuit adding method, production, adding module circuit are into CBB circuit library, by the modular circuit
Maturity be set as low；Have, then enters 2)
2) further whether the maturity of judgment module circuit meets design condition, is then to call directly modular circuit
Schematic diagram, device position number in update module circuit, is added in the schematic diagram of design, and the maturity of the modular circuit is turned up；
It is no, then enter 3)；
3) it to the modular circuit for being unsatisfactory for maturity, is designed and compatibility is required to judge, if met, call directly
The schematic diagram of modular circuit, device position number in update module circuit, is added in the schematic diagram of design, and the modular circuit is turned up
Maturity；If do not met, is modified according to design requirement to module circuit schematic, forms new modular circuit,
And according to modular circuit adding method, production, adding module circuit are into CBB circuit library.
Specifically, the course of work of PCB figure drafting module includes:
1) modular circuit in the schematic diagram of importing is positioned in PCB figure；
Specifically, first the modular circuit for including in schematic diagram is put to predetermined position, then from schematic diagram with Room
The position number of extraction module circuit；
2) according to the position number of modular circuit, corresponding PCB figure is exported from the library CBB, modular circuit device is placed into PCB figure
Corresponding Room in paper replaces existing device in Room；
3) refresh circuit network, by the network information synchronization of modular circuit into PCB drawing, and it is related to export design circuit
Information.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of circuit auxiliary design method based on CBB circuit library, which is characterized in that including,
Access the library CBB, the modular circuit of search circuit design；And the maturity according to the modular circuit in search result,
Modular circuit calling is carried out, the modular circuit of calling is added in circuit diagram；
The circuit diagram is imported into PCB figure, for the modular circuit for including in circuit diagram, is exported from the library CBB
Corresponding PCB figure carries out positioning and puts and circuit network information refresh synchronization, draws PCB figure.
2. circuit auxiliary design method according to claim 1, which is characterized in that the module electricity stored in the library CBB
Road file, including circuit engineering file corresponding with modular circuit, principle map file, PCB file and modular circuit related description
Document；The engineering name of the CBB circuit, schematic diagram title, PCB title and illustrate title phase of the document title with modular circuit
Together.
3. circuit auxiliary design method according to claim 1, which is characterized in that the search of the modular circuit includes logical
The classification chart for crossing circuit in the library CBB scans for, or is scanned for by inputting keyword；The keyword includes module electricity
The word in device name or word that include in specific word or word, modular circuit in the title on road and illustrate specific in document
Word or word.
4. circuit auxiliary design method according to claim 1, which is characterized in that by modular circuit applicable cases and
Call number is counted, the maturity of determining module circuit.
5. circuit auxiliary design method according to claim 1, which is characterized in that further include the adding module in the library CBB
Circuit, addition step include:
1) modular circuit is made using circuit design system；
2) modular circuit is subjected to upload audit；
3) audit verification is carried out to the schematic diagram of modular circuit, PCB figure and related description document；
4) modular circuit by auditing is issued；
Modular circuit after the publication is to call modular circuit in the library CBB.
6. circuit auxiliary design method according to claim 5, which is characterized in that
It executes following step and obtains the schematic diagram:
1) CBB circuit library is accessed by interface between circuit design system and CBB circuit library, search in CBB circuit library whether
Modular circuit comprising design, nothing design new modular circuit, and according to modular circuit adding method, production, addition mould
Block circuit is set as low into CBB circuit library, by the maturity of the modular circuit；Have, then enters 2)
2) further whether the maturity of judgment module circuit meets design condition, is then to call directly the principle of modular circuit
Scheme, device position number in update module circuit is added in the schematic diagram of design, and the maturity of the modular circuit is turned up；It is no, then
Into 3)；
3) it to the modular circuit for being unsatisfactory for maturity, is designed and compatibility is required to judge, if met, call directly module
The schematic diagram of circuit, device position number in update module circuit, is added in the schematic diagram of design, and be turned up the modular circuit at
Ripe degree；If do not met, modified according to design requirement to module circuit schematic, forms new modular circuit, and root
According to modular circuit adding method, production, adding module circuit are into CBB circuit library.
7. circuit auxiliary design method according to claim 6, which is characterized in that
The PCB figure plot step includes；
1) modular circuit in the schematic diagram of importing is positioned in PCB figure；
Specifically, first being put the modular circuit for including in schematic diagram to predetermined position with Room, then extracted from schematic diagram
The position number of modular circuit；
2) according to the position number of modular circuit, corresponding PCB figure is exported from the library CBB, modular circuit device is placed into PCB drawing
Corresponding Room replaces existing device in Room；
3) refresh circuit network by the network information synchronization of modular circuit into PCB drawing, and exports design circuit correlation letter
Breath.
8. a kind of Circuit Aided Design device based on the circuit auxiliary design method as described in claim 1-7, which is characterized in that
Including principle diagram design module, PCB figure drafting module and CBB circuit library；
The CBB circuit library is used for memory module circuit file, and the modular circuit file includes electricity corresponding with modular circuit
Road project file, principle map file, PCB file and modular circuit related description document；
The principle diagram design module, for accessing the library CBB, the modular circuit of search circuit design；And it is tied according to search
The maturity of modular circuit in fruit carries out modular circuit calling, the modular circuit of calling is added in circuit diagram；
The PCB figure drafting module, for the circuit diagram to be imported into PCB figure, for including in circuit diagram
Modular circuit, export corresponding PCB figure from the library CBB, carry out positioning and put and circuit network information refresh synchronization, draw
PCB figure.
9. Circuit Aided Design device according to claim 8, which is characterized in that the principle diagram design module it is specific
Design process includes:
1) access CBB circuit library, search in CBB circuit library whether include design modular circuit, nothing designs new module
Circuit, and according to modular circuit adding method, production, adding module circuit into CBB circuit library, by the modular circuit at
Ripe degree is set as low；Have, then enters 2)
2) further whether the maturity of judgment module circuit meets design condition, is then to call directly the principle of modular circuit
Scheme, device position number in update module circuit is added in the schematic diagram of design, and the maturity of the modular circuit is turned up；It is no, then
Into 3)；
3) it to the modular circuit for being unsatisfactory for maturity, is designed and compatibility is required to judge, if met, call directly module
The schematic diagram of circuit, device position number in update module circuit, is added in the schematic diagram of design, and be turned up the modular circuit at
Ripe degree；If do not met, modified according to design requirement to module circuit schematic, forms new modular circuit, and root
According to modular circuit adding method, production, adding module circuit are into CBB circuit library.
10. Circuit Aided Design device according to claim 8, which is characterized in that the PCB figure drafting module it is specific
Drawing process includes:
1) modular circuit in the schematic diagram of importing is positioned in PCB figure；
First the modular circuit for including in schematic diagram is put to predetermined position with Room, then the extraction module circuit from schematic diagram
Position number；
2) according to the position number of modular circuit, corresponding PCB figure is exported from the library CBB, modular circuit device is placed into PCB drawing
Corresponding Room replaces existing device in Room；
3) refresh circuit network by the network information synchronization of modular circuit into PCB drawing, and exports design circuit correlation letter
Breath.
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| CN111615261A (en) * | 2020-04-29 | 2020-09-01 | 广州致远电子有限公司 | Export design method and device of multi-connector module |
| CN112507652A (en) * | 2020-12-11 | 2021-03-16 | 恒为科技（上海）股份有限公司 | Grouping method and device for double-rate synchronous dynamic random access memory |
| CN114462347A (en) * | 2022-01-21 | 2022-05-10 | 深圳市亿道电子科技有限公司 | Auxiliary drawing system and method based on altium circuit design software |
| CN118468797A (en) * | 2024-07-09 | 2024-08-09 | 广东美创希科技有限公司 | Design drawing management method and device, electronic equipment, storage medium and product |
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