CN117113599A - Method and system for designing and analyzing power distribution network - Google Patents
Method and system for designing and analyzing power distribution network Download PDFInfo
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- CN117113599A CN117113599A CN202311072275.1A CN202311072275A CN117113599A CN 117113599 A CN117113599 A CN 117113599A CN 202311072275 A CN202311072275 A CN 202311072275A CN 117113599 A CN117113599 A CN 117113599A
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Abstract
The invention provides a method and a system for designing and analyzing a power distribution network, wherein the method for designing and analyzing the network comprises the following steps: importing PCB data, creating analysis engineering, and acquiring the association relation between a PCB network and devices; setting conditions in the process of searching for the selection conditions; selecting a network to start to search a path meeting the condition from the selection device; constructing a correlation tree according to a plurality of paths; and drawing a graph according to the association tree to obtain an effect graph. And reasonably differentiating the PCB data and providing the PCB data with the result data which is easy to understand and valuable for customers.
Description
Technical Field
The present invention relates to the field of power distribution networks, and in particular, to a method and system for designing and analyzing a power distribution network.
Background
With the continuous development of technology, electronic devices are increasingly miniaturized and functionalized, and the difficulty of design and analysis personnel is greatly increased by high-density and multi-layered technology. The problems of power topology construction and analysis, power planning and optimization, current and power consumption analysis, fault analysis, redundant design and the like are difficult to advance, and the power distribution network design and analysis method can provide flexible screening, quick indexing and visual graphical interfaces, and can help design engineers to quickly analyze and display expected results.
Along with the development of social economy and various high-tech technologies, various products in life are not separated from the application of the PCB, the number of PCB chips is increased sharply by users, but the submitting requirement is smaller, so that design personnel can perform reasonable and complex design. Challenges for design and simulation personnel are increasing. Effective and valuable information is found from the mass data, so that design and simulation personnel can be assisted to reduce difficulty to a great extent, the working efficiency is higher, and the error-prone rate is lower.
Disclosure of Invention
The present invention has been made in view of the above problems, and it is an object of the present invention to provide a method and system for designing and analyzing a power distribution network that overcomes or at least partially solves the above problems.
According to one aspect of the present invention, there is provided a method of power distribution network design and analysis, the method of network design and analysis comprising:
importing PCB data, creating analysis engineering, and acquiring the association relation between a PCB network and devices;
setting conditions in the process of searching for the selection conditions;
selecting a network to start to search a path meeting the condition from the selection device;
constructing a correlation tree according to a plurality of paths;
and drawing a graph according to the association tree to obtain an effect graph.
Optionally, the importing the PCB data, creating an analysis project, and acquiring the association relationship between the PCB network and the device specifically includes:
and acquiring the direct connection network of each device on the PCB, which devices are directly connected by each network, the attribute of each device and the attribute of each network.
Optionally, the setting conditions in the process of searching for the selection conditions specifically include:
selecting a network; a selection device; classifying the devices;
selecting passing devices; selecting a terminated device;
selecting an unaccounted device; selecting not to consider the network; a ground network is selected.
Optionally, the selecting, from the selecting device, a path that meets the condition from the network start includes:
and selecting a device from the network to find a path meeting the conditions, wherein the device association network can manually select or automatically adapt the path according to the configuration, and finally find all links meeting the conditions according to the filtering conditions.
Optionally, the path searching process includes:
according to the selected devices and the network as analysis conditions, other related devices of the current network are searched;
judging whether the associated device meets the termination condition, if so, stopping searching, and finding out a result meeting the condition; if not, judging whether the filtering condition is met, and if not, discarding the corresponding link; if yes, selecting a PIN PIN of the device according to a manual or automatic mode to search a corresponding network;
and finally, continuing repeated recursion until the searching is completed.
Optionally, the building the association tree according to the multiple paths specifically includes:
combining the paths, wherein the combining rule is that all nodes before the current node are identical to other paths, and if the nodes are not identical to other paths, the paths cannot be combined;
finally, the paths are combined into a plurality of association diagram data.
Optionally, the building the association tree specifically includes:
starting from the first node of each path, judging that the node names of devices at the same level and all node names in front of the current node are identical, and meeting the merging principle;
if not, then it is used as an independent point. Then judging whether the node is a termination node or not, if so, stopping traversing; if not, traversing the next network node of the device node;
judging whether the network node is traversed, if so, stopping traversing; if not, continuing to traverse the device node corresponding to the network node;
and finally, continuing repeated recursion until the path searching is completed.
Optionally, the drawing the graph according to the association tree, and obtaining the effect graph specifically includes:
setting horizontal distance and vertical distance between nodes before drawing a graph, calculating the depth of a correlation graph and the number of leaf nodes, and calculating the canvas size of the whole graph, wherein if a network node is not an ending point, folding and unfolding nodes are required to be added, so that the graph is convenient to check;
according to the actual situation, there are a plurality of drawings, and the drawings are drawn according to a top-down manner.
Optionally, the drawing the graph according to the association tree specifically includes:
determining the position of a first construction entity, traversing whether a sub-network exists in the entity, and if the sub-network does not exist, ending the drawing of the current node;
if the sub-networks exist, determining the position relationship and the association relationship of all the sub-networks according to the entity and the number of the sub-networks;
according to whether a sub-network exists or not, if not, the current node drawing is finished; if the fruiting body exists, determining a false point position according to the network position and the false point, and determining a corresponding position and an association relation of the fruiting body according to the sub-network and the false point;
and finally, continuing repeated recursion until drawing is completed.
The invention also provides a system for designing and analyzing the power distribution network, which applies the method for designing and analyzing the power distribution network, and the method for designing and analyzing the network comprises the following steps:
the incidence relation acquisition module is used for importing PCB data, creating analysis engineering and acquiring incidence relation of a PCB network and devices;
the condition setting module is used for setting conditions in the process of searching for the selection conditions;
the path searching module is used for searching paths meeting the conditions from the selection device by selecting the network;
the association tree construction module is used for constructing an association tree according to a plurality of paths;
and the graph drawing module is used for drawing graphs according to the association tree to obtain an effect graph.
The invention provides a method and a system for designing and analyzing a power distribution network, wherein the method for designing and analyzing the network comprises the following steps: importing PCB data, creating analysis engineering, and acquiring the association relation between a PCB network and devices; setting conditions in the process of searching for the selection conditions; selecting a network to start to search a path meeting the condition from the selection device; constructing a correlation tree according to a plurality of paths; and drawing a graph according to the association tree to obtain an effect graph. And reasonably differentiating the PCB data and providing the PCB data with the result data which is easy to understand and valuable for customers.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for designing and analyzing a power distribution network according to an embodiment of the present invention;
FIG. 2 is a flow chart of an analysis setup provided in an embodiment of the present invention;
FIG. 3 is a flowchart of a search path provided by an embodiment of the present invention;
FIG. 4 is a flowchart of building a association tree according to an embodiment of the present invention;
FIG. 5 is a flow chart of graphics rendering provided by an embodiment of the present invention;
fig. 6 is a view (development) showing effects provided by the embodiment of the invention;
fig. 7 is a view (folding) showing the effect provided by the embodiment of the invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terms "comprising" and "having" and any variations thereof in the description embodiments of the invention and in the claims and drawings are intended to cover a non-exclusive inclusion, such as a series of steps or elements.
The technical scheme of the invention is further described in detail below with reference to the accompanying drawings and the examples.
As shown in fig. 1, a method for designing and analyzing a power distribution network includes:
pre-preparation, comprising: and importing PCB data, creating analysis engineering, and obtaining the association relation between the PCB network and the device. It is necessary to acquire which networks each device is directly connected to on the PCB board, which devices each network is directly connected to, properties of each device, such as name, property value, type, PIN information, and properties of each network, such as name, voltage value, type, etc.
As shown in fig. 2, the settings are analyzed mainly for the setting conditions in the process of searching for the selection conditions. The priority of the search process filtering is also determined according to the selection order.
Device classification: the resistor may be set to R, representing the resistive device beginning with R.
Pass device, terminate device, disregard device: various types may be provided, such as R; u; (L4) means that the device beginning with an initial letter R or U, or L4, is pass, terminate, and not considered a device.
Irrespective of the network, the ground network: various types may be set, such as GND, (G11) indicating the name of the network including GND as the ground network, or the name G11 as the ground network or irrespective of the network.
As shown in fig. 3, the search path includes: and selecting a device from the network to find a path meeting the conditions, wherein the device association network can manually select or automatically adapt the path according to the configuration, and finally find all links meeting the conditions according to the filtering conditions.
The search path flow is as follows: firstly, according to the selected devices and the network as analysis conditions, searching other related devices of the current network, then judging whether the related devices meet the termination conditions, if so, stopping searching, and finding out the results meeting the conditions; if not, judging whether the filtering condition is met, and if not, discarding the link; if yes, the PIN PIN of the device is selected manually or automatically to search the corresponding network. And finally, continuing repeated recursion until the searching is completed.
Building a association tree, as shown in fig. 4, includes:
and combining the paths, wherein the combining rule is that all nodes before the current node are identical to other paths, and if the nodes are not identical to other paths, the paths cannot be combined. Finally, the paths are combined into a plurality of association diagram data.
The process of building the association tree is as follows: starting from the first node of each path, judging that the node names of devices at the same level and all node names in front of the current node are identical, and meeting the merging principle; if not, then it is used as an independent point. Then judging whether the node is a termination node or not, if so, stopping traversing; if not, traversing the next network node of the device node. Then judging whether the network node is traversed, if so, stopping traversing; if not, continuing to traverse the device node corresponding to the network node. And finally, continuing repeated recursion until the path searching is completed.
The specific flow of graph drawing is shown in fig. 5, and specifically includes:
before drawing the graph, setting horizontal distance and vertical distance between nodes, calculating depth of the associated graph, and number of leaf nodes, and calculating canvas size of the whole graph, if the network node is not an ending point, adding folding and unfolding nodes, and facilitating viewing. Depending on the actual situation, there may be a case where there are multiple drawings, which are drawn in a top-down manner.
The drawing process comprises the following steps: firstly, determining the position of a first construction entity, then traversing whether a sub-network exists in the entity, and if the sub-network does not exist, ending the current node drawing; if the sub-networks exist, the position relation and the association relation of all the sub-networks need to be determined according to the entity and the number of the sub-networks. Then according to whether the sub-network exists or not, if not, the current node drawing is finished; if the sub-entity exists, the pseudo point position is determined according to the network position and the pseudo point, and the corresponding position and the association relation of the sub-entity are determined according to the sub-network and the pseudo point. Finally, the repeated recursion is continued until the drawing is completed.
And viewing the attribute, wherein the label content can be displayed when the mouse is moved to the position of the graphic primitive, and the attribute can be viewed and edited by double clicking.
Effect diagram as shown in fig. 6 and 7.
The beneficial effects are that: and effectively extracting, analyzing, constructing and forming a clear association relation diagram of the PCB data. Folding, unfolding, cutting, dragging and other functions are more convenient for clients to view and analyze data.
The analysis result supports manual adjustment, and is imported into the PCB analysis setting by one key to serve as simulated parameter entering data, so that the working efficiency of a client is improved well.
And reasonably differentiating the PCB data and providing the PCB data with the result data which is easy to understand and valuable for customers.
The foregoing detailed description of the invention has been presented for purposes of illustration and description, and it should be understood that the invention is not limited to the particular embodiments disclosed, but is intended to cover all modifications, equivalents, alternatives, and improvements within the spirit and principles of the invention.
Claims (10)
1. A method of power distribution network design and analysis, the method comprising:
importing PCB data, creating analysis engineering, and acquiring the association relation between a PCB network and devices;
setting conditions in the process of searching for the selection conditions;
selecting a network to start to search a path meeting the condition from the selection device;
constructing a correlation tree according to a plurality of paths;
and drawing a graph according to the association tree to obtain an effect graph.
2. The method for designing and analyzing a power distribution network according to claim 1, wherein the steps of importing PCB data, creating an analysis project, and obtaining the association relationship between the PCB network and the device specifically include:
and acquiring the direct connection network of each device on the PCB, which devices are directly connected by each network, the attribute of each device and the attribute of each network.
3. The method for designing and analyzing a power distribution network according to claim 1, wherein the setting conditions in the process of searching for the selection conditions specifically include:
selecting a network; a selection device; classifying the devices;
selecting passing devices; selecting a terminated device;
selecting an unaccounted device; selecting not to consider the network; a ground network is selected.
4. The method for designing and analyzing a power distribution network according to claim 1, wherein the selecting a path from the selecting device to find a path satisfying a condition from the network specifically comprises:
and selecting a device from the network to find a path meeting the conditions, wherein the device association network can manually select or automatically adapt the path according to the configuration, and finally find all links meeting the conditions according to the filtering conditions.
5. The method of power distribution network design and analysis according to claim 4, wherein the find path procedure comprises:
according to the selected devices and the network as analysis conditions, other related devices of the current network are searched;
judging whether the associated device meets the termination condition, if so, stopping searching, and finding out a result meeting the condition; if not, judging whether the filtering condition is met, and if not, discarding the corresponding link; if yes, selecting a PIN PIN of the device according to a manual or automatic mode to search a corresponding network;
and finally, continuing repeated recursion until the searching is completed.
6. The method of power distribution network design and analysis according to claim 1, wherein said constructing an association tree from a plurality of paths comprises:
combining the paths, wherein the combining rule is that all nodes before the current node are identical to other paths, and if the nodes are not identical to other paths, the paths cannot be combined;
finally, the paths are combined into a plurality of association diagram data.
7. The method for designing and analyzing a power distribution network according to claim 1, wherein said building a correlation tree comprises:
starting from the first node of each path, judging that the node names of devices at the same level and all node names in front of the current node are identical, and meeting the merging principle;
if not, then it is used as an independent point. Then judging whether the node is a termination node or not, if so, stopping traversing; if not, traversing the next network node of the device node;
judging whether the network node is traversed, if so, stopping traversing; if not, continuing to traverse the device node corresponding to the network node;
and finally, continuing repeated recursion until the path searching is completed.
8. The method for designing and analyzing a power distribution network according to claim 1, wherein the step of graphically drawing the effect graph according to the association tree comprises the steps of:
setting horizontal distance and vertical distance between nodes before drawing a graph, calculating the depth of a correlation graph and the number of leaf nodes, and calculating the canvas size of the whole graph, wherein if a network node is not an ending point, folding and unfolding nodes are required to be added, so that the graph is convenient to check;
according to the actual situation, there are a plurality of drawings, and the drawings are drawn according to a top-down manner.
9. The method for designing and analyzing a power distribution network according to claim 1, wherein the graphically drawing according to the association tree specifically comprises:
determining the position of a first construction entity, traversing whether a sub-network exists in the entity, and if the sub-network does not exist, ending the drawing of the current node;
if the sub-networks exist, determining the position relationship and the association relationship of all the sub-networks according to the entity and the number of the sub-networks;
according to whether a sub-network exists or not, if not, the current node drawing is finished; if the fruiting body exists, determining a false point position according to the network position and the false point, and determining a corresponding position and an association relation of the fruiting body according to the sub-network and the false point;
and finally, continuing repeated recursion until drawing is completed.
10. A system for power distribution network design and analysis employing a method for power distribution network design and analysis according to any of the preceding claims 1-9, characterized in that the method for network design and analysis comprises:
the incidence relation acquisition module is used for importing PCB data, creating analysis engineering and acquiring incidence relation of a PCB network and devices;
the condition setting module is used for setting conditions in the process of searching for the selection conditions;
the path searching module is used for searching paths meeting the conditions from the selection device by selecting the network;
the association tree construction module is used for constructing an association tree according to a plurality of paths;
and the graph drawing module is used for drawing graphs according to the association tree to obtain an effect graph.
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| CN202311072275.1A CN117113599A (en) | 2023-08-23 | 2023-08-23 | Method and system for designing and analyzing power distribution network |
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| CN202311072275.1A CN117113599A (en) | 2023-08-23 | 2023-08-23 | Method and system for designing and analyzing power distribution network |
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