CN101645097A - Method for cabling signal wires - Google Patents
Method for cabling signal wires Download PDFInfo
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- CN101645097A CN101645097A CN200810131283A CN200810131283A CN101645097A CN 101645097 A CN101645097 A CN 101645097A CN 200810131283 A CN200810131283 A CN 200810131283A CN 200810131283 A CN200810131283 A CN 200810131283A CN 101645097 A CN101645097 A CN 101645097A
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Abstract
The invention relates to a method for cabling signal wires, which is used for cabling a first signal wire and a second signal wire which are parallel to each other on a circuit board by cabling software loaded in a data processing device. The method mainly comprises the following steps: firstly, cabling the first signal wire on a pattern interface corresponding to the circuit board by the cablingsoftware; then, calculating a standard safety distance value according to a safety distance value and a wire width value corresponding to the first signal wire and the second signal wire and further establishing a to-be-cabled track always parallel to the first signal wire in a position where the standard safety distance value is away from the first signal wire; and setting a to-be-cabled direction of the second signal wire so as to cable the second signal wire on the cabling pattern interface along the to-be-cabled track according to the set direction. Thus, the method can improve cabling speed and quality, has small error rate, and can effectively improve the work efficiency.
Description
Technical field
The present invention relates to a kind of method for cabling signal wires, particularly relate in order to the wiring software by being loaded into data processing equipment the circuit board method for cabling signal wires that signal wire laid that is parallel to each other.
Background technology
Printed circuit board (PCB) is by configuration (Layout) so that be located at each element electric connection of this printed circuit board (PCB) and produce function corresponding, at present, wiring installation teacher for the configuration of printed circuit board (PCB) normally by finishing such as all kinds of wiring software such as Allegro, Protel.In addition, along with the development of electronic component towards miniaturization, use for the respectively also more and more miniaturization of printed circuit board (PCB) of this electronic component is set, and then make that to be laid in object in this printed circuit board (PCB) (as electronic component and connect the respectively signal wire of this electronic component) closeness more and more high.
But wiring software is not omnipotent, because the electronic component attribute is varied, relying on wiring software often to lay merely can't get a desired effect, and still needs to be finished by manually auxiliary laying mode.For example, usually in printed circuit board (PCB), understand parallel at least one pair of first and second signal wire that is laid with, for example common differential lines, or one group of winding displacement etc., when on the shown GUI of this wiring software, having laid i.e. first signal wire for example of a signal line, and then need to lay again when being parallel to the secondary signal line of this first signal wire, must artificially choose the cabling point of (by mouse, keyboard etc.) this secondary signal line successively, and then lay this secondary signal line by this wiring software successively along described cabling point again.
As seen, because described cabling point all is by artificial laying, therefore precision is relatively poor, usually can cause following several problem: at first, because this first and second signal wire generally all has identical or different safe spacing value, promptly in the scope of described signal wire safe spacing value, other electronic components can not be set, otherwise just has the problem that signal disturbs, in case selected cabling point and the first signal wire spacing laid are less than this safe spacing value, the secondary signal line of then being laid subsequently can't satisfy this safe spacing value requirement equally, usually need reconnaissance repeatedly, waste time and energy, although this wiring software provides some auxiliary positioning instruments, but still need to rely on range estimation auxiliary, so effect is unsatisfactory; And, if this cabling o'clock is from the distance of first signal wire safe spacing value greater than this first and second signal wire, though the interference problem that does not have between this binary signal line exists, but in fact this secondary signal line has taken a part of wiring space more, also may influence the laying of follow-up other signal wires, but the mode of manually selecting can't accomplish to make cabling point to the distance of signal wire to meet the demands just.
Have again, the equal non-rectilinear of common signal line, and be that tortuous broken line is arranged more, therefore when laying this secondary signal line, need choose this cabling point, and then lay this secondary signal line piecemeal according to this cabling point again in each turning point, extremely loaded down with trivial details, and if one of them clicks mistake, then the follow-up signal line may all need be laid again, has wasted the working time greatly, causes work efficiency low.
Therefore, how to find a kind of method for cabling signal wires, so that the signal wire that is parallel to each other on the circuit board is laid, and remedy above-mentioned many disadvantages, real be urgency problem to be solved at present.
Summary of the invention
In view of the shortcoming of above-mentioned prior art, a purpose of the present invention provides a kind of method for cabling signal wires, can convenient and swift laying parallel signal line and error rate little, thereby promote work efficiency.
A further object of the present invention provides a kind of method for cabling signal wires of accurate location, saves the circuit layout space.
For reaching above-mentioned and other purpose, the invention provides a kind of method for cabling signal wires.This method for cabling signal wires is in order to by the wiring software that is loaded into data processing equipment first and second signal wire that is parallel to each other on the circuit board is laid, wherein, this first and second signal wire all has corresponding electric attribute data separately, and this wiring software provide a pair of should circuit board the wiring pattern interface and be shown in this data processing equipment, it is characterized in that this method comprises: (1) lays this first signal wire in the pairing wiring pattern interface of this circuit board; (2) certainly the electric attribute extracting data of this first signal wire to the first safe spacing value that should first signal wire; (3) certainly the electric attribute extracting data of this secondary signal line to the second safe spacing value that should the secondary signal line; (4) reach the respectively line width values of this signal wire, basis of calculation safe spacing value according to this first, second safe spacing value of being extracted; (5) be standard security distance values place apart from this first signal wire, treating that by this establishment of cloth set direction is parallel to the track to be laid of this first signal wire all the time; And (6) set the secondary signal line treat the cloth set direction, to lay this secondary signal line in this wiring pattern interface by the direction that sets and along this track to be laid.
In one embodiment, whether this step (5) is further comprising the steps of: (a) differentiating this first signal wire is broken line, if not then at standard security distance values place apart from this first signal wire, treat that by this establishment of cloth set direction is parallel to the track linear to be laid of this first signal wire, and finish the step of this method for cabling signal wires; If then continue to carry out following steps; (b), create respectively and be parallel to respectively a plurality of sub-trajectories of this line segment at standard security distance values place apart from each line segment of this first signal wire; And (c) connect the intersection point between each adjacent sub-trajectory in these a plurality of sub-trajectories, to create the track to be laid of broken line type.
And, this wiring pattern interface is a coordinate plane, and this first signal wire, secondary signal line, track to be laid and wait that the equal correspondence of respectively this sub-trajectory of laying track has the equation in coordinates formula, and the intersecting point coordinate of this adjacent sub-trajectory is to get by described adjacent sub-trajectory institute respective coordinates equation is calculated; In addition, this treats the bearing of trend of cloth set direction corresponding to this first signal wire, and this setting treats that the cloth set direction then waits to lay starting point and terminal point in this track to be laid for choosing this secondary signal line; In addition, this standard security distance values for the greater in this first, second safe spacing value add the above line width values of extracting each half calculate and can get.
Compared with prior art, method for cabling signal wires of the present invention is in order to by the wiring software that is loaded into data processing equipment first and second signal wire that is parallel to each other on the circuit board is laid, wherein, this first and second signal wire all has corresponding electric attribute data separately, and this wiring software provide a pair of should circuit board the wiring pattern interface and be shown in this data processing equipment, method of the present invention is that main elder generation lays the pattern interface of this first signal wire in this circuit board correspondence by this wiring software, then respectively from the pairing electric attribute extracting data of this first and second signal wire both safe spacing value and line width values, and according to the pairing safe spacing value of this first and second signal wire, line width values calculate a standard security distance values, again in being standard security distance values place apart from this first signal wire, treat that by this establishment of cloth set direction is parallel to the track to be laid of this first signal wire all the time, and set this secondary signal line treat the cloth set direction, finally can be by this wiring software to treat the cloth set direction by this and this secondary signal line to be laid on this wiring pattern interface along this track to be laid.
This shows that method for cabling signal wires of the present invention can efficient and conveniently be finished the laying work of signal wire, and error rate is little, avoid existing all drawbacks of manually selecting cabling point fully, thereby effectively promote work efficiency.
In addition, method for cabling signal wires of the present invention can precisely be located the installation position of this secondary signal line, makes between itself and this first signal wire to keep this standard security spacing just, thereby has saved the circuit layout space.
Description of drawings
Fig. 1 is the schematic flow sheet of method for cabling signal wires of the present invention;
To be method for cabling signal wires of the present invention create the application synoptic diagram of waiting to lay track of corresponding secondary signal line during for broken line at first signal wire to Fig. 2 A to Fig. 2 C.
The simple declaration of element numbers:
A, the C first signal wire end points
The B first signal wire turning point
D1, D2, E1, E2 sub-trajectory end points
F sub-trajectory intersection point
A ' starting point to be laid
C ' terminal point to be laid
H standard security distance values
S1～S9 step
Embodiment
Below by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the content that this instructions disclosed.The present invention also can be implemented or be used by other different instantiations, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present invention not deviating from.
Seeing also Fig. 1, is the schematic flow sheet that shows method for cabling signal wires of the present invention.Must illustrate, method for cabling signal wires of the present invention is in order to by the wiring software that is loaded into data processing equipment first and second signal wire that is parallel to each other on the circuit board is laid, wherein, this first and second signal wire all has corresponding electric attribute data separately, and this wiring software provide a pair of should circuit board the wiring pattern interface and be shown in this data processing equipment.In the present embodiment, this data processing equipment can for example be common computer, and this wiring software then can be industry common circuit layout software such as Mentor, Allegro; And, this first signal wire and secondary signal line the corresponding electric attribute data that have for example can comprise line width information, line length information, electric attribute information (for example high-speed line etc.) etc., these electric attribute data are the storage parameter of general wiring software indispensability, this is common technology, so do not give unnecessary details in addition.
As shown in the figure, method for cabling signal wires of the present invention can comprise the steps:
In step S1, lay this first signal wire in the pairing wiring pattern interface of this circuit board by this wiring software.In the present embodiment, the laying operation of this first signal wire can be with reference to common wire laying mode, laying such as power lead, high-speed line mode for example, and general wiring software all has the GUI that the corresponding circuits plate is provided for carrying out the circuit layout design.Then carry out step S2.
In step S2, the electric attribute extracting data of this first signal wire is to the first safe spacing value that should first signal wire certainly.In the present embodiment, this first safe spacing value is the safe spacing value of electrical code defined.Then carry out step S3.
In step S3, the electric attribute extracting data of this secondary signal line is to the second safe spacing value that should the secondary signal line certainly.Must explanation, in the present embodiment, though putting in order of above-mentioned steps S2 and S3 arranged, so be not with this as qualification, meaning is promptly extracted the order of this first, second safe spacing value operation can be according to implement needing and difference be arranged, even two operations can be carried out simultaneously; In addition, in the present embodiment, described safe spacing value is from the edge of signal wire meter, for example this first safe spacing value is meant the safe spacing that the edge kept from this first signal wire, and common wiring software rule is also so set, but it can be changed according to actual demand, and for example the centerline from signal wire begins to calculate, then Ci Shi safe spacing value correspondence has increased a half-linear width of signal wire, so the computing method of this safe spacing value are not to exceed with present embodiment.Then carry out step S4.
In step S4, reach respectively this line width values, basis of calculation safe spacing value according to this first, second safe spacing value of being extracted.In the present embodiment, this standard security distance values add for the greater in this first, second safe spacing value first and second signal wire that is extracted line width values each half; Select higher value in order to guarantee between this first signal wire and this secondary signal line apart from satisfying both requirements of pairing safe spacing value respectively simultaneously; In addition because of the laying of considering general signal wire all is to get central point to lay, and the live width of signal wire is to the influence of safe spacing, thus need add the above line width values half, herein can be later to illustrate detailed description.Then carry out step S5.
Whether in step S5, differentiating this first signal wire is broken line, if not, and execution in step S6 then, if, execution in step S7 then.As previously mentioned, because general signal wire is divided into straight line and broken line, and method of the present invention is also respectively to should be differentiated.
In step S6,, treat that by this establishment of cloth set direction is parallel to the track linear to be laid of this first signal wire, and finish method for cabling signal wires of the present invention at standard security distance values place apart from this first signal wire.In the present embodiment, when being straight line as if this first signal wire, the secondary signal line that parallels with it also is straight line, though signal wire is that broken line is in the majority under the actual conditions, does not get rid of the wherein situation of a line segment of only laying.
In step S7,, create respectively and be parallel to respectively a plurality of sub-trajectories of this line segment at standard security distance values place apart from each line segment of this first signal wire.See also Fig. 2 A, this first signal wire is for example to have turning point B, and it is divided into line segment AB, BC, because of considering that the laying of general signal wire all is to get central point to lay, and the live width of signal wire is to the influence of safe spacing, so in the present embodiment, can this first, extract first respectively in the pairing electric attribute data of secondary signal line, the line width values of secondary signal line, described standard security distance values h then for above-mentioned comparison higher value add in addition this first, each half-linear width of secondary signal line, and then can be by the standard security distance values h that is calculated with to making parallel sub track D1D2 by line segment AB, and corresponding line segment BC makes parallel sub track E1E2, therefore guarantee above-mentioned sub-trajectory all with the corresponding coincidence of center line of this secondary signal line to be laid so that the laying operation.Then carry out step S8.
In step S8, connect the intersection point between each adjacent sub-trajectory in described a plurality of sub-trajectory, to create the track to be laid of broken line type.From the above, see also Fig. 2 B, in the present embodiment, this sub-trajectory D1D2 and sub-trajectory E1E2 intersect formation intersection point F, and then constitute and to wait to lay track D1FE1, only list an intersection point illustratively in the present embodiment certainly, if this first signal wire line segment quantity is more, then this intersection point can increase successively, and connects described intersection point and can make up this track to be laid with reference to the bearing of trend of this first signal wire.Then carry out step S9.
Should be specified, in the present embodiment, the wiring pattern interface of this circuit board is a coordinate plane, for example for having perpendicular X, the coordinate plane of Y-axis, so each point all can (X on this coordinate plane, Y) form is represented, and this first signal wire, the secondary signal line, track to be laid, and wait that respectively this sub-trajectory of laying track all can correspondence have the equation in coordinates formula, if do not consider this first signal wire, the live width of secondary signal line, and only with its sideline as a reference, all for example " Y=kX+b " equation is represented for then above-mentioned each line and track, wherein, k is a slope, equate to make these both keeping parallelisms so only need keep this to wait to lay track with the slope of first signal wire, signal wire only has three kinds of distribution modes on the common circuit board, and is promptly vertical, laterally, 45 degree are oblique, so this slope k also more is easy to get, and above-mentioned standard security spacing also can be obtained by coordinate Calculation; And above-mentioned coordinate Calculation mode can be expanded, for example can obtain the equation in coordinates of the sub-trajectory that parallels with each line segment of first signal wire of this broken line type by the identical calculations mode, certainly the intersecting point coordinate of this adjacent sub-trajectory also can join by will be described adjacent sub-trajectory institute respective coordinates equation and separates calculating and get, and can make so just that to get a cloth line position more accurate.
In step S9, that sets the secondary signal line treats the cloth set direction, to lay this secondary signal line in this wiring pattern interface by the direction that sets and along this track to be laid.In the present embodiment, this treats that the cloth set direction can be set with reference to the bearing of trend of this first signal wire, and, in the present embodiment, treat the cloth set direction can by this in above-mentioned wait to lay to choose on the track lay starting point and terminal point is determined, please consult Fig. 2 C more in the lump, at this moment, this for example waits to lay track right-hand member selected point A ' in this, and in left end selected point C ', then can wait to lay track along this and set out secondary signal line A ' FC ' until the selected point C ' operation of connecting up with cloth from putting A ' by this wiring software.
Must illustrate, if this beginning or end is regularly pre-, for example this secondary signal line front end has been laid with a segment signal line, so this secondary signal line then be starting point to be laid with the terminal point of this segment signal line, and needn't be sought in addition, but may still be needed this starting point to be laid of startup earlier modes such as () clicks this moment, restarting this waits to lay terminal point and treats the cloth set direction to determine this, certainly, determining that this treats that the cloth set direction still has other variety of ways, is not to exceed with present embodiment.
Compared with prior art, method for cabling signal wires of the present invention is in order to by the wiring software that is loaded into data processing equipment first and second signal wire that is parallel to each other on the circuit board is laid, wherein, this first and second signal wire all has corresponding electric attribute data separately, and this wiring software provide a pair of should circuit board the wiring pattern interface and be shown in this data processing equipment, method for cabling signal wires of the present invention is that main elder generation lays the pattern interface of this first signal wire in this circuit board correspondence by this wiring software, then respectively from the pairing electric attribute extracting data of this first and second signal wire both safe spacing value and line width values, and according to the pairing safe spacing value of this first and second signal wire, line width values calculate a standard security distance values, be standard security distance values place apart from this first signal wire again, treat that by this establishment of cloth set direction is parallel to the track to be laid of this first signal wire all the time, and set this secondary signal line treat the cloth set direction, finally can be by this wiring software to treat the cloth set direction by this and this secondary signal line to be laid on this wiring pattern interface along this track to be laid.
This shows, method for cabling signal wires of the present invention judges according to the cabling line segment on the circuit board pattern (i.e. first signal wire) and cabling to be laid (the being the secondary signal line) starting point of track and the coordinate of terminal point whether the distance that this desire is laid between cabling line segment on cabling and this pattern meets the safe spacing value, therefore can precisely locate the installation position that this waits to lay cabling, make between the cabling line segment on itself and this pattern and meet safe spacing, avoid existing all drawbacks of manually selecting cabling point, thereby effectively promote work efficiency.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, the scope of the present invention should be foundation with the scope of claims.
Claims (8)
1, a kind of method for cabling signal wires, in order to first and second signal wire that is parallel to each other on the circuit board is laid by the wiring software that is loaded into data processing equipment, wherein, this first and second signal wire all has corresponding electric attribute data separately, and this wiring software provide a pair of should circuit board the wiring pattern interface and be shown in this data processing equipment, this method for cabling signal wires is characterised in that and may further comprise the steps:
(1) lays this first signal wire in the pairing wiring pattern interface of this circuit board;
(2) certainly the electric attribute extracting data of this first signal wire to first safe spacing value and the line width values that should first signal wire;
(3) certainly the electric attribute extracting data of this secondary signal line to second safe spacing value and the line width values that should the secondary signal line;
(4) reach the respectively line width values of this signal wire, basis of calculation safe spacing value according to this first, second safe spacing value of being extracted;
(5) be standard security distance values place apart from this first signal wire, treating that by this establishment of cloth set direction is parallel to the track to be laid of this first signal wire all the time; And
That (6) sets the secondary signal line treats the cloth set direction, to lay this secondary signal line in this wiring pattern interface by the direction that sets and along this track to be laid.
2, method for cabling signal wires according to claim 1 is characterized in that: this step (5) is further comprising the steps of:
Whether differentiate this first signal wire is broken line, when this first signal wire is not a broken line, then, treat that by this establishment of cloth set direction is parallel to the track linear to be laid of this first signal wire, and finish the step of this method for cabling signal wires at standard security distance values place apart from this first signal wire; When this first signal wire is a broken line, then at standard security distance values place apart from each line segment of this first signal wire, establishment is parallel to respectively a plurality of sub-trajectories of this line segment respectively, and connects the intersection point between each adjacent sub-trajectory in these a plurality of sub-trajectories, to create the track to be laid of broken line type.
3, method for cabling signal wires according to claim 2, it is characterized in that: this wiring pattern interface is a coordinate plane, and this first signal wire, secondary signal line, track to be laid and wait that the equal correspondence of respectively this sub-trajectory of laying track has the equation in coordinates formula.
4, method for cabling signal wires according to claim 3 is characterized in that: the intersecting point coordinate of this adjacent sub-trajectory is to get by this adjacent sub-trajectory institute respective coordinates equation is calculated.
5, method for cabling signal wires according to claim 1 is characterized in that: this treats the bearing of trend of cloth set direction corresponding to this first signal wire.
6, method for cabling signal wires according to claim 5 is characterized in that: this setting treats that the cloth set direction is meant that choosing this secondary signal line waits to lay starting point and terminal point.
7, method for cabling signal wires according to claim 6 is characterized in that: the waiting of this secondary signal line laid starting point and terminal point and all is positioned at this and waits to lay on the track.
8, method for cabling signal wires according to claim 1 is characterized in that: this standard security distance values add for the greater in this first, second safe spacing value first and second signal wire that is extracted line width values each half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810131283A CN101645097A (en) | 2008-08-05 | 2008-08-05 | Method for cabling signal wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810131283A CN101645097A (en) | 2008-08-05 | 2008-08-05 | Method for cabling signal wires |
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| Publication Number | Publication Date |
|---|---|
| CN101645097A true CN101645097A (en) | 2010-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN200810131283A Pending CN101645097A (en) | 2008-08-05 | 2008-08-05 | Method for cabling signal wires |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104050328A (en) * | 2014-06-25 | 2014-09-17 | 上海斐讯数据通信技术有限公司 | Method and system for arranging guard lines on PCB |
| CN104765896A (en) * | 2014-01-06 | 2015-07-08 | 北京华大九天软件有限公司 | Achievement method for aching wiring duty ratio in sealant area |
-
2008
- 2008-08-05 CN CN200810131283A patent/CN101645097A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765896A (en) * | 2014-01-06 | 2015-07-08 | 北京华大九天软件有限公司 | Achievement method for aching wiring duty ratio in sealant area |
| CN104050328A (en) * | 2014-06-25 | 2014-09-17 | 上海斐讯数据通信技术有限公司 | Method and system for arranging guard lines on PCB |
| CN104050328B (en) * | 2014-06-25 | 2018-10-12 | 上海斐讯数据通信技术有限公司 | A kind of PCB protective wires distribution method and system |
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Open date: 20100210 |