CN114444167A - CAD electrical drawing electrical component connection relation storage method - Google Patents
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- CN114444167A CN114444167A CN202111586963.0A CN202111586963A CN114444167A CN 114444167 A CN114444167 A CN 114444167A CN 202111586963 A CN202111586963 A CN 202111586963A CN 114444167 A CN114444167 A CN 114444167A
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Abstract
The invention discloses a method for storing the connection relation of electrical components of a CAD electrical drawing. The invention realizes direct information interaction of different drawing types and component information interaction of the same type but different drawing frames, avoids the situation that no good data storage method exists in artificial intelligence plotting, the plotting of the artificial intelligence cannot finish the plotting of the component of the contribution intersection part and no good data storage mode exists, and the situation that parts needing information in other drawing frames in the same profession cannot be finished in the artificial intelligence plotting is generated, thereby effectively solving the problem of information interaction between different drawing types or different drawing frames with the same drawing type in the artificial intelligence automatic plotting technology.
Description
Technical Field
The invention relates to the related field of CAD drawing identification technology, in particular to a CAD electrical drawing electrical component connection relation storage method.
Background
The CAD electrical equipment construction drawing, also called strong and weak electrical drawing, mainly explains the structures of electrical equipment, lines and the like of a house. The method comprises the following steps: 1. electrical plan 2, electrical system figure 3, electrical detail 4, all electrical related drawings including also the electrical fire protection part of the fire protection system.
The plan view is one of important drawings in electrical construction drawings, such as a mounting plan view of electrical equipment in a substation or a distribution substation, a lighting plan view, a lightning protection grounding plan view and the like, and is used for indicating the number, name, model and mounting position of the electrical equipment, the starting point of a line, a laying part, a laying mode, the model, specification, number, pipe diameter and the like of the used wire, and the plan view is generally divided into: the lighting plane, the power plane, the fire-fighting plane, the weak current plane, the lightning protection plane and the grounding plane; the system diagram is a supplement of the plan diagram, is complementary with the plan diagram and is an important part for guiding construction; the system diagram mainly comprises power supply voltage, a main switch, a shunt switch, wire specifications, pipe penetration specifications, a laying mode, loop numbers and loop capacity.
When drawing a system diagram, some corresponding information such as power supply relation, loop number, component name and the like needs to be obtained from a plan diagram, at present, construction diagrams of electrical equipment are drawn manually, and if a cross-drawing frame occurs, all the previous drawings are turned out for inquiry.
In drawing of construction drawings of electrical equipment, no method for component information interaction between different drawing types or drawing frames of the same drawing type exists at present, and the component information interaction mainly solved is divided into two types:
1. the method aims at direct information interaction of different drawing types, for example, heating ventilation and financing information is needed when electrical drawings are drawn, but a good data storage method is not available in artificial intelligence plotting, and artificial intelligence plotting cannot finish plotting of members of a financing intersection part;
2. aiming at the component information interaction in the same type but different picture frames, for example, in the electrical profession, when a distribution box system diagram is drawn, information such as a strong power distribution plane diagram, component attributes and connection relations in a lighting plane diagram and the like is needed, at present, a good data storage mode does not exist, and in artificial intelligence plotting, parts which need information in other picture frames in the same profession cannot be completed.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides a method for storing connection relationships of electrical components in a CAD electrical drawing.
The invention is realized in such a way that a CAD electrical drawing electrical component connection relation storage method is constructed, and the method is operated by the following steps:
s1, the CAD analysis service is butted to obtain wall lines, doors, windows and other primitives on the CAD building plane drawing, and the building outline is usually surrounded by walls, doors, windows, pillars and the like to form a specific closed space;
s2, scaling the CAD drawing frame to a picture with a fixed scale, recording the scaling, drawing the graphics primitives obtained in S1 on the picture according to the same scale, and obtaining the outline of each closed space by using an image processing method;
s3 recording the primitives obtained in S1 and drawing the primitives on the picture according to the same proportion, and classifying all components by a deep learning method to obtain components such as doors and windows;
s4, drawing electrical components in a drawing is completed through a traditional algorithm, artificial intelligence and national regulation, and the acquisition and drawing of attributes such as specific positions/loop numbers/electric loads of the components are specifically completed;
s5, in the process of instantiating the components, the attributes of all the components need to be stored, and the power supply/utilization components of all the components are stored as the attributes according to the prior knowledge;
s6 storing the topological relation of the graph through the structure form of the adjacency list;
s7, according to the structural characteristics of the adjacency list, all the components are used as fixed point sets of the graph, and the connecting lines between the components are used as sets of edges of the adjacency list;
s8 representation of the undirected graph by the adjacency list;
s9, if the adjacency list is adopted for representation, the | V | lists need to be applied, and each list stores all adjacent vertexes from which one vertex starts;
s10, corresponding to the automatic graph, each node is a member, wherein the foremost figure represents power supply equipment, and the following is power utilization equipment;
s11, when drawing the drawing type requiring the information of the front drawing component, such as a distribution main system drawing, the power supply equipment and all the electric equipment (namely, the lower equipment connected by the electric wire in the plan view) can be obtained through the adjacency list, and the distribution main system drawing can be drawn through the drawing method.
Preferably, the graphic element in S1 specifically refers to a basic figure such as a dotted line arc when the CAD drawing is drawn.
Preferably, all the components are regarded as a graph in graph theory in S6, and the topological relation of the graph is stored through the structural form of the adjacency list.
Preferably, the adjacency list is a most important storage structure of the graph and is used for describing each point on the graph.
Preferably, the adjacency list is formed by establishing a container for each vertex of the graph (n containers are formed by n vertices), the node in the ith container contains all the adjacent vertices of the vertex Vi, and the adjacency matrix is actually an adjacency list of edge sets of each point without discretization, where V denotes a vertex set and E denotes an edge set for the graph G ═ V, E.
Preferably, if the graph G is a directed graph in S9, the total number of vertices stored in | V | lists is | E |; if the graph G is an undirected graph, the total number of vertices stored in | V | lists is 2| E | (self-loops are not considered for the moment), an array with size | V | needs to be applied to store nodes, serial numbers are allocated to the nodes, and an additional storage space with size | V | needs to be applied, that is, the storage space complexity of the adjacency list mode is O (| V | + | E |).
Preferably, all the components are stored in the form of an adjacency list in S10 by the data structure.
The invention has the following advantages: the invention provides a method for storing the connection relation of electrical components of a CAD electrical drawing by improvement, which has the following improvement compared with the same type of equipment:
the CAD electrical drawing electrical component connection relation storage method provided by the invention realizes direct information interaction of different drawing types and component information interaction of the same type but in different drawing frames, avoids the situation that drawing of a component of a contribution intersection part cannot be completed and a good data storage mode does not exist in artificial intelligence drawing, and parts needing information in other drawing frames cannot be completed in the same profession in artificial intelligence drawing, and effectively solves the problem of information interaction between different drawing types or different drawing frames of the same drawing type in the artificial intelligence automatic drawing technology.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic diagram of a power distribution plan acquisition and rendering of the present invention;
FIG. 3 is a representation of an adjacency graph according to the present invention;
FIG. 4 is a schematic diagram of the present invention stored in the form of an adjacency list;
figure 5 is a schematic diagram of the electrical distribution trunk system of the present invention.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a method for storing the connection relation of electrical components of a CAD electrical drawing by improvement, which comprises the following steps:
s1, the CAD analysis service is butted to obtain wall lines, doors, windows and other graphic primitives on a CAD building plane drawing, the building outline is usually surrounded by walls, doors, windows, pillars and the like to form a specific closed space, and the graphic primitives specifically refer to basic figures such as point lines, arc lines and the like when the CAD drawing is drawn;
s2, scaling the CAD drawing frame to a picture with a fixed scale, recording the scaling, drawing the graphics primitives obtained in S1 on the picture according to the same scale, and obtaining the outline of each closed space by using an image processing method;
s3, recording the graphic elements obtained in S1, drawing the graphic elements on the picture according to the same proportion, and classifying all the components by a deep learning method to obtain components such as doors, windows and the like;
s4 completes drawing of electrical components in drawings through conventional algorithms, artificial intelligence, and national regulation, and specifically completes acquisition and drawing of attributes such as specific positions/loop numbers/electrical loads of the components, taking fig. 2 as an example: the power distribution plane in a certain residential project is shown, wherein color components/labels and color connecting lines are components drawn by an automatic drawing, and H1/H2/H3/H4 are lighting distribution boxes and are connected with all electric meter boxes on the floor;
s5, in the process of instantiating the components, the attributes of all the components need to be stored, and the power supply/utilization components of all the components are stored as the attributes according to the prior knowledge;
s6, storing the topological relation of the graph in the form of an adjacency list, regarding all components as the graph in graph theory, and storing the topological relation of the graph in the form of the adjacency list so as to provide prior knowledge for drawing a post-drawing, such as a distribution trunk system graph/distribution box system graph, wherein the adjacency list is a most main storage structure of the graph and is used for describing each point on the graph; the adjacency list is formed by establishing a container for each vertex of the graph (n vertices are formed by n containers), nodes in the ith container contain all adjacent vertices of the vertex Vi, and the adjacency matrix is actually an adjacency list of edge sets of each point without discretization, wherein V represents a vertex set and E represents an edge set for the graph G ═ V, E;
s7, according to the structural characteristics of the adjacency list, all the components are used as fixed point sets of the graph, and the connecting lines between the components are used as sets of edges of the adjacency list;
s8 representation of the undirected graph by the adjacency list, as shown in FIG. 3;
s9, if the adjacency list is adopted for representation, the | V | lists are required to be applied, each list stores all adjacent vertexes from which one vertex starts, and if the graph G is a directed graph, the total number of vertexes stored in the | V | lists is | E |; if the graph G is an undirected graph, the total number of vertexes stored in | V | lists is 2| E | (the self-loop is not considered for the moment), an array with the size of | V | needs to be applied to store the nodes, serial numbers are distributed to the nodes, an additional storage space with the size of | V | needs to be applied, that is, the complexity of the storage space in the adjacency list mode is O (| V | + | E |);
s10 corresponds to the automatic graph, each node is a member, wherein the foremost figure represents a power supply device (such as an electric meter box) and the following is a power utilization device (such as a lighting distribution box) as shown in FIG. 4, all members are stored in the graph in the form of an adjacency list through the data structure for subsequent retrieval;
s11, when drawing a drawing type that requires information of a front drawing component, such as a power distribution main system diagram, acquires the power supply device and all the electric devices thereof (i.e., the lower devices connected by wires in a plan view) through the adjacency list, and draws the power distribution main system diagram through the drawing method, as shown in fig. 5.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described, and the standard parts used in the present invention are all available on the market, the special-shaped parts can be customized according to the description and the accompanying drawings, the specific connection mode of each part adopts the conventional means of bolt and rivet, welding and the like mature in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A CAD electrical drawing electrical component connection relation storage method is characterized in that: the method comprises the following steps:
s1, the CAD analysis service is butted to obtain wall lines, doors, windows and other primitives on the CAD building plane drawing, and the building outline is usually surrounded by walls, doors, windows, pillars and the like to form a specific closed space;
s2, scaling the CAD drawing frame to a picture with a fixed scale, recording the scaling, drawing the graphics primitives obtained in S1 on the picture according to the same scale, and obtaining the outline of each closed space by using an image processing method;
s3 recording the primitives obtained in S1 and drawing the primitives on the picture according to the same proportion, and classifying all components by a deep learning method to obtain components such as doors and windows;
s4, drawing electrical components in a drawing is completed through a traditional algorithm, artificial intelligence and national regulation, and the acquisition and drawing of attributes such as specific positions/loop numbers/electric loads of the components are specifically completed;
s5, in the process of instantiating the components, the attributes of all the components need to be stored, and the power supply/utilization components of all the components are stored as the attributes according to the prior knowledge;
s6 storing the topological relation of the graph through the structure form of the adjacency list;
s7, according to the structural characteristics of the adjacency list, all the components are used as fixed point sets of the graph, and the connecting lines between the components are used as sets of edges of the adjacency list;
s8 representation of the undirected graph by the adjacency list;
s9, if the adjacency list is adopted for representation, the | V | lists need to be applied, and each list stores all adjacent vertexes from which one vertex starts;
s10, corresponding to the automatic graph, each node is a member, wherein the foremost figure represents power supply equipment, and the following is power utilization equipment;
s11, when drawing the drawing type of the required preposed drawing component information, such as a distribution main system drawing, the power supply equipment and all the electric equipment (namely, the lower equipment connected by the electric wire in the plan view) can be obtained through the adjacency list, and the distribution main system drawing can be drawn through the drawing method.
2. The method for storing the connection relationship of the electrical components in the CAD electrical drawing according to claim 1, wherein: the primitive in S1 specifically refers to a basic figure such as a dotted line arc when the CAD drawing is drawn.
3. The method for storing the connection relationship of the electrical components in the CAD electrical drawing according to claim 1, wherein: and S6, all the components are regarded as a graph in graph theory, and the topological relation of the graph is stored through the structural form of the adjacency list.
4. The method for storing the connection relationship of the electrical components in the CAD electrical drawing according to claim 1, wherein: the adjacency list is a most important storage structure of the graph and is used for describing each point on the graph.
5. The method for storing the connection relationship of the electrical components in the CAD electrical drawing according to claim 1, wherein: the adjacency list is created by creating a container for each vertex of the graph (n vertices create n containers), the node in the ith container contains all the adjacent vertices of the vertex Vi, and in fact, the adjacency matrix is an adjacency list of edge sets of each point without discretization, where V denotes a vertex set and E denotes an edge set for the graph G ═ V, E.
6. The method for storing the connection relationship of the electrical components in the CAD electrical drawing according to claim 5, wherein: if the graph G is a directed graph in S9, the total number of vertices stored in | V | lists is | E |; if the graph G is an undirected graph, the total number of vertices stored in | V | lists is 2| E | (self-loops are not considered for the moment), an array with size | V | needs to be applied to store nodes, serial numbers are allocated to the nodes, and an additional storage space with size | V | needs to be applied, that is, the storage space complexity of the adjacency list mode is O (| V | + | E |).
7. The method for storing the connection relationship of the electrical components in the CAD electrical drawing according to claim 1, wherein: in S10, all the components are stored in the form of an adjacency list in the graph by the data structure.
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