CN108430154A - A kind of layout method and device of circuit board - Google Patents
A kind of layout method and device of circuit board Download PDFInfo
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- CN108430154A CN108430154A CN201810235256.9A CN201810235256A CN108430154A CN 108430154 A CN108430154 A CN 108430154A CN 201810235256 A CN201810235256 A CN 201810235256A CN 108430154 A CN108430154 A CN 108430154A
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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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
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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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- Microelectronics & Electronic Packaging (AREA)
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Abstract
Circuit-board laying-out method and device provided by the present application, the circuit board layout rule including at least one non-functional layout requirements is pre-established, wherein, the non-functional layout requirements are for so that at least one component and/or whole plate of circuit board are promoted in the performance of at least one aspect, on this basis, in the functional layout requirements according to circuit board, after determining each component needed for layout circuit plate and the connection relation demand between each component, in conjunction between each component connection relation demand and the circuit board layout rule, it is laid out each component on circuit boards.It can be seen that, the application is when carrying out circuit-board laying-out, consider the Functional Requirement of board circuit and the non-functional layout requirements for promoting component and/or whole plate performance simultaneously, so that the circuit board of final gained is while meeting functional requirement, additionally it is possible to have preferable performance in anti-interference ability, stability, safety etc..
Description
Technical field
The invention belongs to the design of circuit board and topology field more particularly to the layout methods and dress of a kind of circuit board
It sets.
Background technology
PCB (Printed Circuit Board, printed circuit board) is supporter, the electronic component of electronic component
The carrier of electrical connection since it is made of electron printing, therefore is referred to as printing/printed circuit board.
The printing of pcb board is related to PCB layouts, such as each electronic component is laid out on pcb board, existing PCB layouts
Method only considers PCB component functions, using the circuit function needed for realizing as basic demand, not to each of component or whole plate
Aspect performance is made mutually it is contemplated that do not consider the anti-interference ability of component or whole plate, safety, reliability such as, so as to cause
The PCB printed is poor in the performance of the various aspects such as anti-interference ability, safety, stability.
Invention content
In view of this, the purpose of the present invention is to provide a kind of layout method of circuit board and devices, it is intended to overcome existing
The above problem existing for technology improves the various aspects of performance such as anti-interference ability, the stability of PCB.
For this purpose, the present invention is disclosed directly below technical solution：
A kind of layout method of circuit board, including：
Scheduled circuit board layout rule is obtained, the circuit board layout rule includes that at least one non-functional layout is wanted
It asks；Wherein, at least one component and/or whole circuit board of the non-functional layout requirements for making circuit board are extremely
The performance of few one side is promoted；
According to the functional layout requirements of circuit board, determine between each component and each component needed for layout circuit plate
Connection relation demand；
Based between each component connection relation demand and the circuit board layout rule, be laid out institute on circuit boards
State each component.
The above method, it is preferred that the scheduled circuit board layout rule of acquisition, including：
The non-functional layout of the non-functional layout requirements, light current circuit that obtain the forceful electric power circuit needed for circuit board is wanted
It asks, the non-functional of the non-functional layout requirements of loop path, the non-functional layout requirements for resetting circuit and clock crystal oscillator
At least one of in layout requirements.
The above method, it is preferred that the scheduled circuit board layout rule of acquisition, including：
Obtain at least one in following non-functional layout requirements：
The non-functional layout requirements of forceful electric power circuit, including：The safe distance letter of included component in forceful electric power circuit
Breath and/or filtering parameter information；
The non-functional layout requirements of the branch supply of light current circuit, including：Power supply and ground connection hierarchical layout, and/or, cloth
Intersection and/or the number that unrolls in line are less than the first predetermined value；
The non-functional layout requirements of the function component of light current circuit, including：The placing direction of each function component is believed
Breath；
The non-functional layout requirements of loop path, including：Floor file is not divided completely, and path is without the mistake beyond predetermined length
Long circuit, power cord punch quantity less than the second predetermined value and/or without the excessive parasitic parameter for exceeding preset limit value；
The non-functional layout requirements in circuit are resetted, including：The path length for resetting circuit is less than third predetermined value；
The non-functional layout requirements of clock crystal oscillator, including：Floor file around crystal oscillator, and/or, the line of two-way clock cable
Spacing is at least twice of clock cable line width and is surrounded using floor file per the both sides of road clock cable.
The above method, it is preferred that the performance of at least one aspect includes：In circuit board at least one component and/or
At least one of safety, anti-interference and stability of whole circuit board.
The above method, it is preferred that the functional layout requirements according to circuit board determine each needed for layout circuit plate
Connection relation demand between a component and each component, including：
According to the functional layout requirements of circuit board, determines the component needed for the forceful electric power circuit for constituting circuit board, constitutes
Branch supply needed for the light current circuit of circuit board and each function component, and constitute the member needed for the forceful electric power circuit of circuit board
The connection relation demand between branch supply and each function component needed for device, light current circuit.
The above method, it is preferred that the connection relation demand based between each component and the circuit-board laying-out
Rule is laid out each component on circuit boards, including：
The non-functional layout requirements of connection relation demand and forceful electric power circuit based on component in forceful electric power circuit, in circuit
Forceful electric power circuit is laid out on plate；
The non-functional layout requirements of connection relation demand and branch supply based on branch supply, are laid out on circuit boards
Branch supply；
The non-functional layout requirements of connection relation demand and function component based on function component, on circuit boards
Place function component；
Non-functional layout requirements based on loop path carry out loop path core to generated circuit on circuit board
It looks into, and is verifying the result shows that when corresponding circuit does not meet the non-functional layout requirements of loop path, adjust described corresponding time
Road complies with the non-functional layout requirements of the loop path；
Based on the non-functional layout requirements for resetting circuit, to the reset circuit progress path verification on circuit board, and
It verifies the result shows that when reset circuit does not meet the non-functional layout requirements for resetting circuit, adjustment resets circuit and complies with institute
State the non-functional layout requirements for resetting circuit；
Non-functional layout requirements based on clock crystal oscillator, verify the clock crystal oscillator on circuit board, and are verifying
The result shows that when clock crystal oscillator does not meet the non-functional layout requirements of clock crystal oscillator, when adjustment clock crystal oscillator complies with described
The non-functional layout requirements of clock crystal oscillator.
A kind of placement device of circuit board, including：
Acquiring unit, for obtaining scheduled circuit board layout rule, the circuit board layout rule includes at least one
Non-functional layout requirements；Wherein, the non-functional layout requirements for so that circuit board at least one component and/or
Whole circuit board is promoted in the performance of at least one aspect；
Determination unit determines each first device needed for layout circuit plate for the functional layout requirements according to circuit board
Connection relation demand between part and each component；
Layout units, for based between each component connection relation demand and the circuit board layout rule,
Each component is laid out on circuit board.
Above-mentioned apparatus, it is preferred that the acquiring unit is specifically used for obtaining in following non-functional layout requirements at least
One：
The non-functional layout requirements of forceful electric power circuit, including：The safe distance letter of included component in forceful electric power circuit
Breath and/or filtering parameter information；
The non-functional layout requirements of the branch supply of light current circuit, including：Power supply and ground connection hierarchical layout, and/or, cloth
Intersection and/or the number that unrolls in line are less than the first predetermined value；
The non-functional layout requirements of the function component of light current circuit, including：The placing direction of each function component is believed
Breath；
The non-functional layout requirements of loop path, including：Floor file is not divided completely, and path is without the mistake beyond predetermined length
Long circuit, power cord punch quantity less than the second predetermined value and/or without the excessive parasitic parameter for exceeding preset limit value；
The non-functional layout requirements in circuit are resetted, including：The path length for resetting circuit is less than third predetermined value；
The non-functional layout requirements of clock crystal oscillator, including：Floor file around crystal oscillator, and/or, the line of two-way clock cable
Spacing is at least twice of clock cable line width and is surrounded using floor file per the both sides of road clock cable.
Above-mentioned apparatus, it is preferred that the determination unit is specifically used for：
According to the functional layout requirements of circuit board, determines the component needed for the forceful electric power circuit for constituting circuit board, constitutes
Branch supply needed for the light current circuit of circuit board and each function component, and constitute the member needed for the forceful electric power circuit of circuit board
The connection relation demand between branch supply and each function component needed for device, light current circuit.
Above-mentioned apparatus, it is preferred that the layout units are specifically used for：
The non-functional layout requirements of connection relation demand and forceful electric power circuit based on component in forceful electric power circuit, in circuit
Forceful electric power circuit is laid out on plate；
The non-functional layout requirements of connection relation demand and branch supply based on branch supply, are laid out on circuit boards
Branch supply；
The non-functional layout requirements of connection relation demand and function component based on function component, on circuit boards
Place function component；
Non-functional layout requirements based on loop path carry out loop path core to generated circuit on circuit board
It looks into, and is verifying the result shows that when corresponding circuit does not meet the non-functional layout requirements of loop path, adjust described corresponding time
Road complies with the non-functional layout requirements of the loop path；
Based on the non-functional layout requirements for resetting circuit, to the reset circuit progress path verification on circuit board, and
It verifies the result shows that when reset circuit does not meet the non-functional layout requirements for resetting circuit, adjustment resets circuit and complies with institute
State the non-functional layout requirements for resetting circuit；
Non-functional layout requirements based on clock crystal oscillator, verify the clock crystal oscillator on circuit board, and are verifying
The result shows that when clock crystal oscillator does not meet the non-functional layout requirements of clock crystal oscillator, when adjustment clock crystal oscillator complies with described
The non-functional layout requirements of clock crystal oscillator.
According to above scheme it is found that circuit-board laying-out method provided by the present application and device, have pre-established including at least
The circuit board layout rule of one non-functional layout requirements, wherein the non-functional layout requirements are for so that circuit board
At least one component and/or whole plate promoted in the performance of at least one aspect, on this basis, according to circuit board
Functional layout requirements, after determining each component needed for layout circuit plate and the connection relation demand between each component, knot
The connection relation demand between each component and the circuit board layout rule are closed, is laid out each component on circuit boards.Thus
As it can be seen that the application is when carrying out circuit-board laying-out, while considering the Functional Requirement of board circuit and for promoting member
The non-functional layout requirements of device and/or whole plate performance, to final gained circuit board while meeting functional requirement,
Can also have preferable performance in anti-interference ability, stability or safety etc..
Description of the drawings
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 technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of circuit-board laying-out method flow chart provided by the embodiments of the present application；
Fig. 2 is another circuit-board laying-out method flow chart provided by the embodiments of the present application；
Fig. 3 is the implementation process schematic diagram of circuit-board laying-out provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram of circuit-board laying-out device provided by the embodiments of the present application.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In order to overcome the pcb board of the prior art to ask anti-interference ability, stability or safety etc. performance are poor
Topic, the application provide a kind of layout method and device of circuit board, and the layout method and device of the circuit board are realizing circuit board
The Functional Requirement of board circuit is considered when layout simultaneously and for promoting circuit board element and/or whole plate performance
Non-functional layout requirements will carry out specifically the circuit-board laying-out method and device of the application by multiple embodiments below
It is bright.
It is the circuit-board laying-out method flow chart that the application one embodiment provides, in the present embodiment, such as with reference to figure 1
Shown in Fig. 1, the layout method of the circuit board may comprise steps of：
Step 101 obtains scheduled circuit board layout rule, and the circuit board layout rule includes that at least one is non-functional
Property layout requirements；Wherein, at least one component and/or entire electricity of the non-functional layout requirements for making circuit board
Road plate is promoted in the performance of at least one aspect.
The circuit board refers to pcb board in this application, and the performance of at least one aspect can be but not limited to pcb board
At least one component and/or whole plate (i.e. the abbreviation of whole circuit board) in safety, anti-interference and stability appoint
The performance for one or more aspects of anticipating.
The non-functional layout requirements illustratively, for example can include but is not limited to the member in pcb board forceful electric power circuit
Component (such as branch supply, master chip, peripheral circuit, clock circuit, reset in device (such as capacitance, inductance), light current circuit
Each element in circuit etc.) etc. in safe distance, the requirement of placing direction or wiring trend, the various aspects such as path length.
When actual implementation the application, safety, anti-interference or stability when can be laid out according to pcb board by technical staff
Etc. either side or various performance requirements, come when pre-establishing corresponding layout pcb board it is required follow it is non-functional
Property layout requirements, and then form the circuit board layout rule so that, can be direct subsequently when needing to be laid out PCB circuit board
The rule is obtained, required non-functional is laid out foundation when as layout PCB.
Step 102, the functional layout requirements according to circuit board determine each component needed for layout circuit plate and each
Connection relation demand between component.
Necessarily for the purpose of realizing certain circuit function, i.e. the circuit functionality requirement of pcb board is the layout of pcb board
Therefore most basic requirement when pcb board is laid out when carrying out the layout of pcb board, needs the functional layout that PCB is obtained ahead of time
It is required that and require to know what kind of circuit function needed to realize accordingly, and then layout electricity is determined according to the circuit function that need to realize
The connection relation demand between each component and each component needed for the plate of road.
For example, what kind of forceful electric power circuit function and light current circuit function need to be realized in advance by knowing, and in turn needed for
The forceful electric power circuit function of realization determines between the forceful electric power such as required capacitance, inductance circuit components and each forceful electric power circuit components
Connection relation demand；And the light current circuit function according to required realization, determine required branch supply, master chip, or it is outer
Enclose each light current circuit components such as each function component in circuit, clock circuit, reset circuit and each light current circuit elements device
Connection relation demand between part etc..
It should be noted that the priority execution order of step 101, step 102 is not limited to a certain specific sequence, it is real
In the application of border, step 101, rear execution step 102 can be first carried out by the sequence provided in the present embodiment, or can also first hold
Row step 102, rear execution step 101, or it can also be performed simultaneously step 101 and step 102, the present embodiment does not carry out this
It limits, the execution sequence of the two will not have an impact the layout of pcb board.
Step 103, based between each component connection relation demand and the circuit board layout rule, in circuit board
Upper layout each component.
The non-functional layout requirements needed for layout pcb board, and the work(according to pcb board are being obtained based on above each step
Can property layout requirements determine on the connection relation Demand Base between required each component and each component, can further root
According to the connection relation demand between required each component and the non-functional layout requirements that follow needed for combining, cloth on circuit boards
Each component needed for office, so that required circuit function is realized on pcb board, simultaneously as carrying out electricity on pcb board
When the function distribution of road, while having followed the non-functional layout requirements pre-established, for example, component in forceful electric power circuit and/or
Component in light current circuit the various aspects such as safe distance, placing direction or wiring trend, path length requirement etc., from
And the pcb board obtained by final layout is not only able to realize required circuit function, additionally it is possible to so that in anti-interference ability, safety
The performance of the various aspects such as property, stability is promoted.
According to above scheme it is found that circuit-board laying-out method provided in this embodiment, has pre-established including at least one
The circuit board layout rule of non-functional layout requirements, wherein the non-functional layout requirements are for making circuit board extremely
A few component and/or whole plate are promoted in the performance of at least one aspect, on this basis, in the function according to circuit board
Property layout requirements, after determining each component needed for layout circuit plate and the connection relation demand between each component, in conjunction with each
Connection relation demand between component and the circuit board layout rule, are laid out each component on circuit boards.It can be seen that
The application considers the Functional Requirement of board circuit and for promoting component when carrying out circuit-board laying-out
And/or the non-functional layout requirements of whole plate performance, so that the circuit board of final gained is while meeting functional requirement, moreover it is possible to
It is enough to have preferable performance in anti-interference ability, stability or safety etc..
In next another embodiment, further description, ginseng are carried out to the circuit-board laying-out method of the application
Examine Fig. 2 shows the present embodiment in circuit-board laying-out method flow chart, this method can be realized by processing procedure below：
Step 201 obtains forceful electric power circuit, light current circuit (including branch supply and function component), loop path, reset
At least one of in the non-functional layout requirements of circuit and clock crystal oscillator.
Wherein, the circuit on PCB is generally made of forceful electric power circuit and light current circuit, and forceful electric power circuit generally comprises capacitance, electricity
The components such as sense, light current circuit generally comprise branch supply and realize each function component of circuit board function, the function
Component may include master chip and constitute each function component etc. of peripheral circuit, clock circuit, reset circuit.
The non-functional layout requirements of the forceful electric power circuit, can include but is not limited to：Included member in forceful electric power circuit
The safe distance information and/or filtering parameter information of device.For example, the safety of capacitance, inductance included in forceful electric power circuit etc.
The filtering parameters information such as the resonant frequency of range information and capacitance, differential mode inductance amount, common mode inductance amount.
The non-functional layout requirements of the branch supply of light current circuit, can include but is not limited to：Power supply and ground connection layering
Layout, and/or, intersection and/or the number that unrolls in wiring are less than the first predetermined value.According to the requirement, branch electricity is being carried out
It may make one layer of power supply, one layer of ground when the layout in source, so that the wiring relative separation on power supply and ground, safety is higher, and can
As possible so that wiring is smooth without intersecting or unroll, and for the case where can not avoiding intersecting or unrolling, then it can pass through and be arranged one
Smaller first predetermined value of value so that will intersect or unroll number control in a smaller numerical value, kept away with this
The current trend for exempting from circuit board is mixed and disorderly unordered and reduce the path length of electric current, reduces interference.
The non-functional layout requirements of the function component of light current circuit, can include but is not limited to：Each function component
Placing direction information specifically, can for example, when being laid out to master chip, peripheral circuit, clock circuit, reset circuit
The position for considering each pin on master chip as far as possible is to refer to the position of each pin on master chip, layout peripheral circuit,
The placing direction of each function component in clock circuit, reset circuit etc., the placing direction of each function component to make as possible
Wiring between each function component it is smooth without intersecting or unrolling subject to.
The non-functional layout requirements of loop path, can include but is not limited to：Floor file is not divided completely, path without beyond
The long circuit of predetermined length, power cord punching quantity are posted less than the second predetermined value and/or nothing beyond the excessive of preset limit value
Raw parameter.
The non-functional layout requirements for resetting circuit, can include but is not limited to：The path length in circuit is resetted less than the
Three predetermined values require the path length for resetting circuit to be not easy long, to reduce the interference in loop path.
The non-functional layout requirements of clock crystal oscillator, can include but is not limited to：Floor file around crystal oscillator, and/or, when two-way
The line spacing of clock signal wire is at least twice of clock cable line width and is surrounded using floor file per the both sides of road clock cable.
Step 202, the functional layout requirements according to circuit board determine first device needed for the forceful electric power circuit for constituting circuit board
Part, constitute circuit board light current circuit needed for branch supply and each function component, and constitute circuit board forceful electric power circuit
Branch supply needed for required component, light current circuit and the connection relation demand between each function component.
Specifically, it may be determined that constitute the components such as capacitance, the inductance needed for forceful electric power circuit, constitute point needed for light current circuit
Each function component in road power supply, master chip, peripheral circuit, clock circuit, reset circuit etc., and determining forceful electric power circuit,
The connection relation demand between each component in light current circuit.
Component needed for step 203, the forceful electric power circuit based on circuit board, the branch supply needed for light current circuit and each work(
Connection relation demand and forceful electric power circuit, the branch supply of light current circuit and function component between energy component, circuit road
At least one of in the non-functional layout requirements of diameter, reset circuit and clock crystal oscillator, carry out the layout of circuit board.
Specifically, as shown in figure 3, can according to fig. 3 shown in 6 steps realize and needed based on the connection relation between component
It asks and various non-functional layout requirements described above carries out circuit-board laying-out.
It wherein, in step 1, can be according to the connection relation demand of forceful electric power circuit components and the non-functional of forceful electric power circuit
Layout requirements are laid out forceful electric power circuit on circuit boards.For example, can be according to the connection relation demand of forceful electric power circuit components, and tie
Close the safe distance information and the resonant frequency of capacitance, differential mode inductance amount, common mode inductance of capacitance, inductance etc. in forceful electric power circuit
The filtering parameters information such as amount are laid out each components such as capacitance, the inductance of composition forceful electric power circuit.
In step 2, the non-functional layout requirements of connection relation demand and branch supply that can be based on branch supply,
Branch supply is laid out on circuit board.Wherein, according to the non-functional layout requirements of the above branch supply, divided
It can be by power supply and ground hierarchical layout, i.e. one layer of power supply, one layer of ground, so that the wiring phase on power supply and ground when the layout of road power supply
To separation, safety is higher, and can be as possible so that wiring is smooth without intersecting or unroll, and for can not avoid intersecting or unroll
Situation can then pass through smaller first predetermined value of one value of setting so that will intersect or number control of unrolling is one
In a smaller numerical value, avoids the current trend of circuit board mixed and disorderly unordered with this and path length that is reducing electric current, reduce
Interference.
In step 3, the non-functional layout of connection relation demand and function component that can be based on function component is wanted
It asks, on circuit boards place function component.For example, being laid out each Functional Unit device according to the connection relation demand of each function component
Part is to realize required circuit function, in combination with the placing direction requirement of each function component, according to required placing direction
Be laid out each function component etc., more specifically, for example, consider master chip on each pin position, drawn with each on master chip
The position of foot is reference, is laid out the placing direction of each function component in peripheral circuit, clock circuit, reset circuit etc., with
So that wiring between each function component is smooth without intersecting or unroll.
In step 4, generated circuit on circuit board can be carried out based on the non-functional layout requirements of loop path
Loop path is verified, and is being verified the result shows that when corresponding circuit does not meet the non-functional layout requirements of loop path, is adjusted
The corresponding circuit complies with the non-functional layout requirements of the loop path.
It in steps of 5, can be based on the non-functional layout requirements for resetting circuit, to the reset circuit on circuit board into walking along the street
Diameter is verified, and is being verified the result shows that when reset circuit does not meet the non-functional layout requirements for resetting circuit, and adjustment resets back
Road complies with the non-functional layout requirements for resetting circuit；
In step 6, core can be carried out to the clock crystal oscillator on circuit board based on the non-functional layout requirements of clock crystal oscillator
It looks into, and is verifying the result shows that when clock crystal oscillator does not meet the non-functional layout requirements of clock crystal oscillator, adjustment clock crystal oscillator makes
It meets the non-functional layout requirements of the clock crystal oscillator.
In aforementioned 6 steps, preceding 3 steps are related to functional basic demand --- 1. forceful electric power circuits, 2. branches electricity
The function distribution requirement in source, 3. function components, in the specific implementation, pressure requires steps 1 and 2,3 sequentially to execute rigidly, i.e.,
Step 1 is executed successively again to 2 again to 3 so that each sequence of steps executes, ensureing circuit basic function and electrical safety distance
Under the premise of just continue next each step.Then 3 steps are mainly that detail verifies point --- 4. circuit roads
Diameter, 5. reset circuit, 6. crystal oscillators and clock.The priority execution order of 3 steps does not make Compulsory Feature, i.e. loop path then afterwards
Verification, reset circuit verification and clock crystal oscillator verification can be arbitrary sequence.
The present embodiment is combined by the way that the graduation of circuit-board laying-out main points is carried out priority sequence by severity level from method
The functional layout requirements and non-functional layout requirements of circuit board, control and the layout drawing process for holding circuit board, can have
Corresponding component and/or whole plate are in anti-interference ability (the anti-interference EMS of such as electromagnetism, electrical fast transient burst in effect raising circuit board
Group EFT, surge, electrostatic capacity etc.), the performances of the various aspects such as safety and stability.
In the next another embodiment of the application, a kind of placement device of circuit board is provided, with reference to the sheet shown in figure 4
The structural schematic diagram of circuit-board laying-out device in embodiment, the device include：
Acquiring unit 401, for obtaining scheduled circuit board layout rule, the circuit board layout rule includes at least one
Item non-functional layout requirements；Wherein, the non-functional layout requirements for so that circuit board at least one component and/
Or whole circuit board is promoted in the performance of at least one aspect；
Determination unit 402 determines each member needed for layout circuit plate for the functional layout requirements according to circuit board
Connection relation demand between device and each component；
Layout units 403, for based between each component connection relation demand and the circuit board layout rule,
It is laid out each component on circuit boards.
In an embodiment of the embodiment of the present application, the acquiring unit 301 is specifically used for obtaining following non-functional
At least one of in layout requirements：
The non-functional layout requirements of forceful electric power circuit, including：The safe distance letter of included component in forceful electric power circuit
Breath and/or filtering parameter information；
The non-functional layout requirements of the branch supply of light current circuit, including：Power supply and ground connection hierarchical layout, and/or, cloth
Intersection and/or the number that unrolls in line are less than the first predetermined value；
The non-functional layout requirements of the function component of light current circuit, including：The placing direction of each function component is believed
Breath；
The non-functional layout requirements of loop path, including：Floor file is not divided completely, long time without predetermined length of path
Road, power cord punch quantity less than the second predetermined value and/or without the excessive parasitic parameter for exceeding preset limit value；
The non-functional layout requirements in circuit are resetted, including：The path length for resetting circuit is less than third predetermined value；
The non-functional layout requirements of clock crystal oscillator, including：Floor file around crystal oscillator, and/or, the line of two-way clock cable
Spacing is at least twice of clock cable line width and is surrounded using floor file per the both sides of road clock cable.
In an embodiment of the embodiment of the present application, the determination unit 302 is specifically used for：
According to the functional layout requirements of circuit board, determines the component needed for the forceful electric power circuit for constituting circuit board, constitutes
Branch supply needed for the light current circuit of circuit board and each function component, and constitute the member needed for the forceful electric power circuit of circuit board
The connection relation demand between branch supply and each function component needed for device, light current circuit.
In an embodiment of the embodiment of the present application, the layout units 303 are specifically used for：
The non-functional layout requirements of connection relation demand and forceful electric power circuit based on component in forceful electric power circuit, in circuit
Forceful electric power circuit is laid out on plate；
The non-functional layout requirements of connection relation demand and branch supply based on branch supply, are laid out on circuit boards
Branch supply；
The non-functional layout requirements of connection relation demand and function component based on function component, on circuit boards
Place function component；
Non-functional layout requirements based on loop path carry out loop path core to generated circuit on circuit board
It looks into, and is verifying the result shows that when corresponding circuit does not meet the non-functional layout requirements of loop path, adjust described corresponding time
Road complies with the non-functional layout requirements of the loop path；
Based on the non-functional layout requirements for resetting circuit, to the reset circuit progress path verification on circuit board, and
It verifies the result shows that when reset circuit does not meet the non-functional layout requirements for resetting circuit, adjustment resets circuit and complies with institute
State the non-functional layout requirements for resetting circuit；
Non-functional layout requirements based on clock crystal oscillator, verify the clock crystal oscillator on circuit board, and are verifying
The result shows that when clock crystal oscillator does not meet the non-functional layout requirements of clock crystal oscillator, when adjustment clock crystal oscillator complies with described
The non-functional layout requirements of clock crystal oscillator.
For the placement device of circuit board disclosed by the embodiments of the present invention, due to its with disclosed in the various embodiments described above
The layout method of circuit board is corresponding, so description is fairly simple, related similarity refers to electric in the various embodiments described above
The explanation of the layout method part of road plate, and will not be described here in detail.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment weight
Point explanation is all difference from other examples, and the same or similar parts between the embodiments can be referred to each other.
For convenience of description, it describes to be divided into various modules when system above or device with function or unit describes respectively.
Certainly, the function of each unit is realized can in the same or multiple software and or hardware when implementing the application.
Finally, it is to be noted that, herein, such as first, second, third and fourth or the like relational terms
It is only used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying these
There are any actual relationship or orders between entity or operation.Moreover, the terms "include", "comprise" or its is any
Other variants are intended to non-exclusive inclusion, so that including the process, method, article or equipment of a series of elements
Include not only those elements, but also include other elements that are not explicitly listed, or further includes for this process, side
Method, article or the intrinsic element of equipment.In the absence of more restrictions, limited by sentence "including a ..."
Element, it is not excluded that there is also other identical elements in the process, method, article or apparatus that includes the element.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of layout method of circuit board, which is characterized in that including：
Scheduled circuit board layout rule is obtained, the circuit board layout rule includes at least one non-functional layout requirements；
Wherein, at least one component and/or whole circuit board of the non-functional layout requirements for making circuit board are at least
The performance of one side is promoted；
According to the functional layout requirements of circuit board, each component needed for layout circuit plate and the company between each component are determined
Connect relationship demand；
Based between each component connection relation demand and the circuit board layout rule, be laid out on circuit boards described each
A component.
2. according to the method described in claim 1, it is characterized in that, described obtain scheduled circuit board layout rule, including：
It obtains the non-functional layout requirements of the forceful electric power circuit needed for circuit board, the non-functional layout requirements of light current circuit, return
The non-functional layout of the non-functional layout requirements in road path, the non-functional layout requirements for resetting circuit and clock crystal oscillator is wanted
At least one of in asking.
3. according to the method described in claim 1, it is characterized in that, described obtain scheduled circuit board layout rule, including：
Obtain at least one in following non-functional layout requirements：
The non-functional layout requirements of forceful electric power circuit, including：In forceful electric power circuit the safe distance information of included component and/
Or filtering parameter information；
The non-functional layout requirements of the branch supply of light current circuit, including：Power supply and ground connection hierarchical layout, and/or, in wiring
Intersection and/or the number that unrolls be less than the first predetermined value；
The non-functional layout requirements of the function component of light current circuit, including：The placing direction information of each function component；
The non-functional layout requirements of loop path, including：Floor file is not divided completely, and path is without long time beyond predetermined length
Road, power cord punch quantity less than the second predetermined value and/or without the excessive parasitic parameter for exceeding preset limit value；
The non-functional layout requirements in circuit are resetted, including：The path length for resetting circuit is less than third predetermined value；
The non-functional layout requirements of clock crystal oscillator, including：Floor file around crystal oscillator, and/or, the line spacing of two-way clock cable
At least twice for the clock cable line width and both sides per road clock cable are surrounded using floor file.
4. according to the method described in claim 1, it is characterized in that, the performance of at least one aspect includes：In circuit board extremely
At least one of safety, anti-interference and the stability of a few component and/or whole circuit board.
5. according to the method described in claim 3, it is characterized in that, the functional layout requirements according to circuit board, determine
The connection relation demand between each component and each component needed for layout circuit plate, including：
According to the functional layout requirements of circuit board, determines the component needed for the forceful electric power circuit for constituting circuit board, constitutes circuit
Branch supply needed for the light current circuit of plate and each function component, and constitute first device needed for the forceful electric power circuit of circuit board
The connection relation demand between branch supply and each function component needed for part, light current circuit.
6. according to the method described in claim 5, it is characterized in that, the connection relation demand based between each component
And the circuit board layout rule, it is laid out each component on circuit boards, including：
The non-functional layout requirements of connection relation demand and forceful electric power circuit based on component in forceful electric power circuit, on circuit boards
It is laid out forceful electric power circuit；
The non-functional layout requirements of connection relation demand and branch supply based on branch supply, are laid out branch on circuit boards
Power supply；
The non-functional layout requirements of connection relation demand and function component based on function component, are laid out on circuit boards
Function component；
Non-functional layout requirements based on loop path carry out loop path verification to generated circuit on circuit board, and
It is verifying the result shows that when corresponding circuit does not meet the non-functional layout requirements of loop path, adjusting the corresponding circuit makes it
Meet the non-functional layout requirements of the loop path；
Based on the non-functional layout requirements for resetting circuit, path verification is carried out to the reset circuit on circuit board, and verifying
The result shows that when reset circuit does not meet the non-functional layout requirements for resetting circuit, adjustment reset circuit complies with described multiple
The non-functional layout requirements in position circuit；
Non-functional layout requirements based on clock crystal oscillator, verify the clock crystal oscillator on circuit board, and are verifying result
When showing that clock crystal oscillator does not meet the non-functional layout requirements of clock crystal oscillator, it is brilliant that adjustment clock crystal oscillator complies with the clock
The non-functional layout requirements to shake.
7. a kind of placement device of circuit board, which is characterized in that including：
Acquiring unit, for obtaining scheduled circuit board layout rule, the circuit board layout rule includes at least one NOT function
It can property layout requirements；Wherein, the non-functional layout requirements are for so that at least one component of circuit board and/or entire
Circuit board is promoted in the performance of at least one aspect；
Determination unit, for according to the functional layout requirements of circuit board, determine each component needed for layout circuit plate and
Connection relation demand between each component；
Layout units, for based between each component connection relation demand and the circuit board layout rule, in circuit
Each component is laid out on plate.
8. device according to claim 7, which is characterized in that the acquiring unit is specifically used for obtaining following non-functional
Property layout requirements at least one of：
The non-functional layout requirements of forceful electric power circuit, including：In forceful electric power circuit the safe distance information of included component and/
Or filtering parameter information；
The non-functional layout requirements of the branch supply of light current circuit, including：Power supply and ground connection hierarchical layout, and/or, in wiring
Intersection and/or the number that unrolls be less than the first predetermined value；
The non-functional layout requirements of the function component of light current circuit, including：The placing direction information of each function component；
The non-functional layout requirements of loop path, including：Floor file is not divided completely, and path is without long time beyond predetermined length
Road, power cord punch quantity less than the second predetermined value and/or without the excessive parasitic parameter for exceeding preset limit value；
The non-functional layout requirements in circuit are resetted, including：The path length for resetting circuit is less than third predetermined value；
The non-functional layout requirements of clock crystal oscillator, including：Floor file around crystal oscillator, and/or, the line spacing of two-way clock cable
At least twice for the clock cable line width and both sides per road clock cable are surrounded using floor file.
9. device according to claim 8, which is characterized in that the determination unit is specifically used for：
According to the functional layout requirements of circuit board, determines the component needed for the forceful electric power circuit for constituting circuit board, constitutes circuit
Branch supply needed for the light current circuit of plate and each function component, and constitute first device needed for the forceful electric power circuit of circuit board
The connection relation demand between branch supply and each function component needed for part, light current circuit.
10. device according to claim 9, which is characterized in that the layout units are specifically used for：
The non-functional layout requirements of connection relation demand and forceful electric power circuit based on component in forceful electric power circuit, on circuit boards
It is laid out forceful electric power circuit；
The non-functional layout requirements of connection relation demand and branch supply based on branch supply, are laid out branch on circuit boards
Power supply；
The non-functional layout requirements of connection relation demand and function component based on function component, are laid out on circuit boards
Function component；
Non-functional layout requirements based on loop path carry out loop path verification to generated circuit on circuit board, and
It is verifying the result shows that when corresponding circuit does not meet the non-functional layout requirements of loop path, adjusting the corresponding circuit makes it
Meet the non-functional layout requirements of the loop path；
Based on the non-functional layout requirements for resetting circuit, path verification is carried out to the reset circuit on circuit board, and verifying
The result shows that when reset circuit does not meet the non-functional layout requirements for resetting circuit, adjustment reset circuit complies with described multiple
The non-functional layout requirements in position circuit；
Non-functional layout requirements based on clock crystal oscillator, verify the clock crystal oscillator on circuit board, and are verifying result
When showing that clock crystal oscillator does not meet the non-functional layout requirements of clock crystal oscillator, it is brilliant that adjustment clock crystal oscillator complies with the clock
The non-functional layout requirements to shake.
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| CN201810235256.9A CN108430154B (en) | 2018-03-21 | 2018-03-21 | A kind of layout method and device of circuit board |
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| CN201810235256.9A CN108430154B (en) | 2018-03-21 | 2018-03-21 | A kind of layout method and device of circuit board |
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| CN109738725A (en) * | 2018-12-31 | 2019-05-10 | 河南省高压电器研究所有限公司 | Prolong arc loop apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109738725A (en) * | 2018-12-31 | 2019-05-10 | 河南省高压电器研究所有限公司 | Prolong arc loop apparatus |
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Also Published As
| Publication number | Publication date |
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| CN108430154B (en) | 2019-10-22 |
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