Monitoring method, system and equipment for corrosion state of grounding grid and storage medium

Abstract

The invention relates to the related technical field of corrosion monitoring, in particular to a monitoring method, system and device for the corrosion state of a grounding grid and a storage medium, and the method comprises the steps: obtaining the branch resistance value of each branch of the grounding grid; based on the branch resistance values, utilizing a pre-constructed optimized digital twinning virtual model to obtain the corrosion degree of each branch, and visually displaying the corrosion degree; wherein the optimized digital twinning virtual model is constructed based on a digital twinning virtual method, and is used for comparing the branch resistance value with a preset initial branch resistance value, comparing a comparison result with a corrosion degree judgment standard to obtain a corrosion degree, and visually displaying the corrosion degree. According to the method, the corrosion degree of each branch can be obtained based on comparison of the branch resistance value and the preset initial branch resistance by utilizing the optimized digital virtual model, and the corrosion degree is visually displayed, so that visual representation of the corrosion degree can be realized, the method is simple and visual, and the requirement on the professional degree of workers is greatly reduced.

Description

Technical Field

[0001] This invention relates to the field of corrosion monitoring technology, specifically to a method, system, device, and storage medium for monitoring the corrosion status of grounding grids. Background Technology

[0002] The grounding grid connects power grid equipment to the earth and is an important facility for ensuring the safety of equipment and personnel. During operation, if the power system in the power grid is struck by lightning or short-circuited, generating a large current, the grounding grid can quickly discharge this large current, thus preventing the operating potential of the power system from becoming too high. Simultaneously, it ensures that transfer current and step voltage remain at low levels, achieving the function of grounding protection.

[0003] Chinese patent CN118504221A discloses a grounding grid corrosion monitoring system, method, device, and storage medium. It constructs a three-dimensional model of the grounding grid using pre-set static data of the grounding metal materials. A digital twin model of grounding grid corrosion is generated using collected static data of the grounding grid, environmental data of the substation location, pre-processed dynamic corrosion data, and the three-dimensional model. Based on the current dynamic corrosion data in the digital twin model, the corrosion degree of the grounding metal materials at different locations of the grounding grid is monitored. However, this method requires constructing a three-dimensional model of the grounding grid based on static data of the grounding metal materials, and then constructing a corrosion digital twin model based on the three-dimensional model, static data, and dynamic data. The construction process is complex and requires a high level of expertise from technical personnel. It necessitates judging the corrosion degree based on data, and it does not provide a direct visual representation of the corrosion degree and changes in corrosion status. Therefore, it is necessary to propose a simpler and more intuitive method for monitoring corrosion status. Summary of the Invention

[0004] To address the problem that existing technologies cannot visually indicate the degree of corrosion and changes in corrosion status of grounding grids, this invention proposes a method for monitoring the corrosion state of grounding grids, comprising:

[0005] Obtain the branch resistance value of each branch of the grounding grid;

[0006] Based on the branch resistance values, the corrosion degree of each branch is obtained and visualized using a pre-constructed optimized digital twin virtual model;

[0007] The optimized digital twin virtual model is constructed based on the digital twin virtual method. It is used to compare the branch resistance value with the preset initial branch resistance, and compare the comparison result with the corrosion degree judgment standard to obtain the corrosion degree and display it visually.

[0008] Optionally, the optimized digital twin virtual model is constructed in the following manner:

[0009] Construct a corrosion degree judgment criterion based on the branch resistance of each branch of the grounding grid;

[0010] Based on the material of the grounding grid, construct a visualized three-dimensional model by visually differentiating the three-dimensional model of the grounding grid;

[0011] Adopt the digital twin virtual method to construct an optimized digital twin virtual model based on the visualized three-dimensional model of the grounding grid, the corrosion degree judgment criterion, and the visualized marks corresponding to different preset corrosion degrees.

[0012] Optionally, the marks for visually differentiating the material are different from the marks for visually differentiating the corrosion degree.

[0013] Optionally, when the marks for visually differentiating the material are the same as the marks for visually differentiating the corrosion degree, the marks for visually differentiating the material and the marks for visually differentiating the corrosion degree are located in different layers.

[0014] Optionally, the marks for visually differentiating the material include one or more of the following:

[0015] Color, line type, pattern or special symbol;

[0016] The marks for visually differentiating the corrosion degree include one or more of the following;

[0017] Color, line type, pattern or special symbol.

[0018] Optionally, the corrosion degree judgment criterion includes:

[0019] A criterion based on the difference between the branch resistance value and the preset initial branch resistance or a criterion based on the ratio of the branch resistance value to the preset initial branch resistance.

[0020] Optionally, when adopting the criterion based on the difference between the branch resistance value and the preset initial branch resistance, the corrosion degree judgment criterion includes:

[0021] When 0Ω < R’ - R ≤ 1Ω, it is mild corrosion, where R’ is the branch resistance value and R is the preset initial branch resistance;

[0022] When 1Ω < R’ - R ≤ 9Ω, it is moderate corrosion;

[0023] When R’ - R > 9Ω, it is severe corrosion.

[0024] Optionally, when adopting the criterion based on the ratio of the branch resistance value to the preset initial branch resistance, the corrosion degree judgment criterion includes:

[0025] When 1 < R’ / R ≤ 2, it is mild corrosion, where R’ is the branch resistance value and R is the preset initial branch resistance;

[0026] When 2 < R' / R ≤ 10, it is considered moderate corrosion.

[0027] Severe corrosion is indicated when R' / R > 10.

[0028] Optionally, the method for constructing the three-dimensional model of the grounding grid includes:

[0029] Target features are obtained by extracting features from a two-dimensional model of the grounding grid;

[0030] A 3D model is constructed using 3D modeling software based on the target features;

[0031] The target feature includes one or more of the following:

[0032] Branch location, branch size, branch shape, branch depth, number of nodes or node location.

[0033] Optionally, the process of optimizing the construction of the digital twin virtual model also includes:

[0034] A digital twin virtual method is used to construct a soil environment mapping based on soil environment data, so as to realize the mapping of the soil environment data of the entity to the optimized digital twin virtual model.

[0035] Optionally, the soil environmental data includes one or more of the following:

[0036] Soil temperature, soil moisture content, soil resistivity, or soil pH.

[0037] Furthermore, this application also provides a monitoring system for the corrosion status of grounding grids, comprising:

[0038] The resistance acquisition module is used to acquire the branch resistance values ​​of each branch of the grounding grid.

[0039] Corrosion degree acquisition module: used to obtain the corrosion degree of each branch based on the branch resistance value using a pre-built optimized digital twin virtual model and display it visually;

[0040] The optimized digital twin virtual model is constructed based on the digital twin virtual method. It is used to compare the branch resistance value with the preset initial branch resistance, and compare the comparison result with the corrosion degree judgment standard to obtain the corrosion degree and display it visually.

[0041] Optionally, the optimized digital twin virtual model in the corrosion degree acquisition module is constructed in the following manner:

[0042] The corrosion degree judgment criteria are based on the branch resistance of each branch of the grounding grid.

[0043] Construct a visualized three-dimensional model of the grounding grid by visually differentiating the materials of the grounding grid;

[0044] Adopt the digital twin virtual method to construct an optimized digital twin virtual model based on the visualized three-dimensional model of the grounding grid, the corrosion degree judgment standard, and the visualized marks corresponding to different preset corrosion degrees.

[0045] Optionally, the marks for visually differentiating the materials in the corrosion degree acquisition module are different from the marks for visually differentiating the corrosion degree.

[0046] Optionally, when the marks for visually differentiating the materials in the corrosion degree acquisition module are the same as the marks for visually differentiating the corrosion degree, the marks for visually differentiating the materials and the marks for visually differentiating the corrosion degree are located on different layers.

[0047] Optionally, the marks for visually differentiating the materials in the corrosion degree acquisition module include one or more of the following:

[0048] Color, line type, pattern, or special symbol;

[0049] The marks for visually differentiating the corrosion degree include one or more of the following;

[0050] Color, line type, pattern, or special symbol.

[0051] Optionally, the corrosion degree judgment standard in the corrosion degree acquisition module includes:

[0052] The standard based on the difference between the branch resistance value and the preset initial branch resistance or the standard based on the ratio of the branch resistance value to the preset initial branch resistance.

[0053] Optionally, when the standard based on the difference between the branch resistance value and the preset initial branch resistance is adopted in the corrosion degree acquisition module, the corrosion degree judgment standard includes:

[0054] When 0Ω < R’ - R ≤ 1Ω, it is mild corrosion, where R’ is the branch resistance value and R is the preset initial branch resistance;

[0055] When 1Ω < R’ - R ≤ 9Ω, it is moderate corrosion;

[0056] When R’ - R > 9Ω, it is severe corrosion.

[0057] Optionally, when the standard based on the ratio of the branch resistance value to the preset initial branch resistance is adopted in the corrosion degree acquisition module, the corrosion degree judgment standard includes:

[0058] When 1 < R' / R ≤ 2, it is considered mild corrosion, where R' is the branch resistance value and R is the preset initial branch resistance.

[0059] When 2 < R' / R ≤ 10, it is considered moderate corrosion.

[0060] Severe corrosion is indicated when R' / R > 10.

[0061] Optionally, the method for constructing the three-dimensional model of the grounding grid in the corrosion degree acquisition module includes:

[0062] Target features are obtained by extracting features from a two-dimensional model of the grounding grid;

[0063] A 3D model is constructed using 3D modeling software based on the target features;

[0064] The target feature includes one or more of the following:

[0065] Branch location, branch size, branch shape, branch depth, number of nodes or node location.

[0066] Optionally, the optimization of the digital twin virtual model construction process in the corrosion degree acquisition module further includes:

[0067] A digital twin virtual method is used to construct a soil environment mapping based on soil environment data, so as to realize the mapping of the soil environment data of the entity to the optimized digital twin virtual model.

[0068] Optionally, the soil environmental data includes one or more of the following:

[0069] Soil temperature, soil moisture content, soil resistivity, or soil pH.

[0070] Furthermore, this application also provides a computing device, comprising: at least one processor and a memory;

[0071] The memory is used to store one or more programs;

[0072] When the one or more programs are executed by the one or more processors, the method for monitoring the corrosion status of the grounding grid as described above is implemented.

[0073] In another aspect, this application also provides a computer-readable storage medium having a computer program stored thereon, which, when executed, implements the method for monitoring the corrosion status of the grounding grid as described above.

[0074] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0075] This invention provides a method, system, device, and storage medium for monitoring the corrosion state of a grounding grid. The method includes acquiring the branch resistance values ​​of each branch of the grounding grid; obtaining the corrosion degree of each branch based on the branch resistance values ​​using a pre-constructed optimized digital twin virtual model and visually displaying it; wherein, the optimized digital twin virtual model is constructed based on a digital twin virtual method, used to compare the branch resistance values ​​with a preset initial branch resistance, and to compare the comparison results with a corrosion degree judgment standard to obtain the corrosion degree and visually mark it; this application utilizes an optimized digital virtual model to obtain the corrosion degree of each branch based on the comparison of branch resistance values ​​and preset initial branch resistances and to visually display it, which can realize the visual characterization of corrosion degree, is simple and intuitive, and greatly reduces the professional requirements of personnel. Attached Figure Description

[0076] Figure 1 This is a schematic diagram illustrating an application scenario of the grounding grid corrosion monitoring method proposed in this invention.

[0077] Figure 2 This is a schematic diagram of the structure of the optimized digital twin virtual model of the grounding grid proposed in this invention;

[0078] Figure 3 This is a schematic flowchart of the grounding grid corrosion monitoring method proposed in this invention;

[0079] Figure 4 This is a schematic diagram illustrating the construction steps of the optimized digital twin virtual model proposed in this invention;

[0080] Figure 5 This is a schematic diagram illustrating the construction steps of the three-dimensional model of the grounding grid proposed in this invention;

[0081] Figure 6 This is a schematic diagram of the grounding grid corrosion monitoring system proposed in this invention;

[0082] Figure 7 This is a schematic diagram of the electronic device proposed in this invention. Detailed Implementation

[0083] This invention proposes a method and system for monitoring the corrosion state of grounding grids. Based on digital twin technology, this invention optimizes the construction of a digital twin virtual model, visualizing the structure and allowing for the visualization of materials and corrosion levels. This significantly reduces the professional skill requirements for technicians and facilitates engineering applications. Simultaneously, the construction process is simplified, making the construction of the optimized digital twin virtual model much easier. Figure 1 As shown, the physical entity data of the grounding grid and the virtual entity of the grounding grid (i.e., the digital twin virtual model, such as...) Figure 2The data mapping between (as shown) can be performed by a server. The server receives the monitoring data from the sensors in the physical entity and compares it with preset values ​​to obtain the corrosion status, and then maps the corrosion status to the grounding grid virtual entity in real time.

[0084] Example 1:

[0085] This invention provides a method for monitoring the corrosion status of a grounding grid, as follows: Figure 3 As shown, it includes the following steps S1 and S2.

[0086] S1: Obtain the branch resistance value of each branch of the grounding grid.

[0087] Resistance sensors can be installed on each branch of the grounding grid to collect the branch resistance value in real time, thereby achieving online monitoring.

[0088] S2: Based on the branch resistance value, the corrosion degree of each branch is obtained and visualized using a pre-constructed optimized digital twin virtual model; wherein, the optimized digital twin virtual model is constructed based on the digital twin virtual method, used to compare the branch resistance value with the preset initial branch resistance, and compare the comparison result with the corrosion degree judgment standard to obtain the corrosion degree and visualize it.

[0089] The preset initial branch resistance can be given directly from the grounding grid drawing or calculated using standard dimensions.

[0090] In a further preferred embodiment, the optimized digital twin virtual model is constructed in the following manner, such as... Figure 4 As shown, the process includes the following steps S21 to S23:

[0091] S21: Criteria for judging the degree of corrosion of each branch resistance based on the grounding grid;

[0092] S22: Based on the materials of the grounding grid, a three-dimensional model of the grounding grid is visualized and differentiated to construct a visualized three-dimensional model;

[0093] S23: Using the digital twin virtual method, an optimized digital twin virtual model is constructed based on the visualized three-dimensional model of the grounding grid, the corrosion degree judgment standard, and the preset visualized marks corresponding to different corrosion degrees.

[0094] In a further preferred embodiment, step S21 includes the following criteria for judging the degree of corrosion:

[0095] A standard based on the difference between the branch resistance value and the preset initial branch resistance, or a standard based on the ratio of the branch resistance value to the preset initial branch resistance.

[0096] When using the criterion based on the difference between the branch resistance value and the preset initial branch resistance, the corrosion degree judgment criterion includes:

[0097] When 0Ω < R’ - R ≤ 1Ω, it is mild corrosion, where R’ is the branch resistance value and R is the preset initial branch resistance;

[0098] When 1Ω < R’ - R ≤ 9Ω, it is moderate corrosion;

[0099] When R’ - R > 9Ω, it is severe corrosion.

[0100] When using the criterion based on the ratio of the branch resistance value to the preset initial branch resistance, the corrosion degree judgment criterion includes:

[0101] When 1 < R’ / R ≤ 2, it is mild corrosion, where R’ is the branch resistance value and R is the preset initial branch resistance;

[0102] When 2 < R’ / R ≤ 10, it is moderate corrosion;

[0103] When R’ / R > 10, it is severe corrosion.

[0104] In a further preferred solution, in step S22, as Figure 5 shown, the construction method of the three-dimensional model of the grounding grid includes the following steps S221 and S222:

[0105] S221: Extract features from the two-dimensional model of the grounding grid to obtain target features; wherein, the target features include one or more of the following: branch position, branch size, branch shape, branch depth, number of nodes or node position.

[0106] S222: Construct a three-dimensional model based on the target features using three-dimensional forming software;

[0107] In step S221, the design and construction CAD drawing of the grounding grid can be imported into a computer physical engine, such as NX MCD. The information in the design and construction CAD drawing includes grounding branch information, node information, scale information, etc. The computer physical engine extracts the target features required for three-dimensional modeling from the design and construction CAD drawing. The target features include one or more of the following:

[0108] Branch position, branch size, branch shape, branch depth, number of nodes or node position.

[0109] There is no relative movement between the branches of the grounding grid, so the physical structure of the grounding grid is set as a rigid body. The computer physical engine constructs a three-dimensional model of the grounding grid based on the above target features.

[0110] In a further preferred embodiment, the markers used for visually distinguishing the materials include one or more of the following:

[0111] Colors, line types, patterns, or special symbols;

[0112] The markers used to visually distinguish the degree of corrosion include one or more of the following:

[0113] Colors, lines, patterns, or special symbols.

[0114] In a further preferred embodiment, the markings used to visually distinguish materials differ from those used to visually distinguish corrosion levels. For example, when different materials are distinguished by different line types, corrosion levels are distinguished by markings other than line types, such as using color to differentiate corrosion levels. For instance, different materials have different initial resistivity; grounding grids are made of materials such as carbon steel, galvanized steel, or copper, which can be represented by solid lines, dashed lines, and dotted lines, respectively, thereby achieving visual distinction between different materials and obtaining a visual 3D model with color-coded material attributes. Corrosion levels, including mild corrosion, moderate corrosion, and severe corrosion, can be represented by orange, red, and brown, respectively.

[0115] In a further preferred embodiment, when the markers for visually distinguishing materials and the markers for visually distinguishing corrosion levels are the same, these markers are located on different layers to avoid color confusion. The markers can be identified by selecting different layers. For example, if both materials and corrosion levels are distinguished by color, the color for visually distinguishing materials is located on layer 1, and the color for visually distinguishing corrosion levels is located on layer 2.

[0116] In a further preferred embodiment, the process of optimizing the construction of the digital twin virtual model also includes:

[0117] A digital twin virtual method is used to construct a soil environment mapping based on soil environment data, so as to realize the mapping of the soil environment data of the entity to the optimized digital twin virtual model. The soil environment data includes one or more of the following: soil temperature, soil moisture content, soil resistivity or soil pH.

[0118] Environmental data mapping can be set up in the computer physics engine, allowing environmental monitoring data to be mapped in real time to the optimized digital twin virtual model, thus achieving data interoperability. Furthermore, the soil environment in severely corroded areas can be improved to reduce or delay corrosion; similar methods can also be used to visualize monitoring data such as soil temperature, soil moisture content, soil resistivity, or soil pH.

[0119] Example 2:

[0120] Based on the same inventive concept, this invention also provides a monitoring system for the corrosion status of a grounding grid, such as... Figure 6 As shown, it includes a resistance acquisition module and a corrosion degree acquisition module, wherein:

[0121] The resistance acquisition module is used to acquire the branch resistance values ​​of each branch of the grounding grid.

[0122] Corrosion degree acquisition module: used to obtain the corrosion degree of each branch based on the branch resistance value using a pre-built optimized digital twin virtual model and display it visually;

[0123] The optimized digital twin virtual model is constructed based on the digital twin virtual method. It is used to compare the branch resistance value with the preset initial branch resistance, and compare the comparison result with the corrosion degree judgment standard to obtain the corrosion degree and display it visually.

[0124] In a further preferred embodiment, the optimized digital twin virtual model in the corrosion degree acquisition module is constructed in the following manner:

[0125] The corrosion degree judgment criteria are based on the branch resistance of each branch of the grounding grid.

[0126] Based on the materials of the grounding grid, a three-dimensional model of the grounding grid is visualized and differentiated to construct a visual three-dimensional model;

[0127] A digital twin virtual model was constructed and optimized based on a visualized 3D model of the grounding grid, a corrosion degree judgment standard, and preset visualized markers corresponding to different corrosion degrees using the digital twin virtual method.

[0128] In a further preferred embodiment, the markers used to visually distinguish materials in the corrosion degree acquisition module are different from the markers used to visually distinguish the degree of corrosion.

[0129] In a further preferred embodiment, when the marker for visually distinguishing materials and the marker for visually distinguishing corrosion degree are the same in the corrosion degree acquisition module, the marker for visually distinguishing materials and the marker for visually distinguishing corrosion degree are located on different layers.

[0130] In a further preferred embodiment, the markers used in the corrosion degree acquisition module for visually distinguishing the materials include one or more of the following:

[0131] Colors, line types, patterns, or special symbols;

[0132] The markers used to visually distinguish the degree of corrosion include one or more of the following:

[0133] Color, line type, pattern or special symbol.

[0134] In a further preferred solution, the corrosion degree judgment criteria in the corrosion degree acquisition module include:

[0135] Criteria based on the difference between the branch resistance value and the preset initial branch resistance or criteria based on the ratio of the branch resistance value to the preset initial branch resistance.

[0136] In a further preferred solution, when the criteria based on the difference between the branch resistance value and the preset initial branch resistance are adopted in the corrosion degree acquisition module, the corrosion degree judgment criteria include:

[0137] When 0Ω < R’ - R ≤ 1Ω, it is mild corrosion, where R’ is the branch resistance value and R is the preset initial branch resistance;

[0138] When 1Ω < R’ - R ≤ 9Ω, it is moderate corrosion;

[0139] When R’ - R > 9Ω, it is severe corrosion.

[0140] In a further preferred solution, when the criteria based on the ratio of the branch resistance value to the preset initial branch resistance are adopted in the corrosion degree acquisition module, the corrosion degree judgment criteria include:

[0141] When 1 < R’ / R ≤ 2, it is mild corrosion, where R’ is the branch resistance value and R is the preset initial branch resistance;

[0142] When 2 < R’ / R ≤ 10, it is moderate corrosion;

[0143] When R’ / R > 10, it is severe corrosion.

[0144] In a further preferred solution, the method for constructing the three-dimensional model of the grounding grid in the corrosion degree acquisition module includes:

[0145] Performing feature extraction on the two-dimensional model of the grounding grid to obtain target features;

[0146] Constructing a three-dimensional model based on the target features using three-dimensional forming software;

[0147] The target features include one or more of the following:

[0148] Branch position, branch size, branch shape, branch depth, number of nodes or node position.

[0149] In a further preferred solution, the process of constructing the optimized digital twin virtual model in the corrosion degree acquisition module further includes:

[0150] A digital twin virtual method is used to construct a soil environment mapping based on soil environment data, so as to realize the mapping of the soil environment data of the entity to the optimized digital twin virtual model.

[0151] In a further preferred embodiment, the soil environmental data includes one or more of the following:

[0152] Soil temperature, soil moisture content, soil resistivity, or soil pH.

[0153] Example 3

[0154] like Figure 7 As shown, the present invention also provides an electronic device, which may be a computer device, a microcontroller device, a smart mobile device, etc. The electronic device in this embodiment may include a processor, a memory, a transceiver component, etc. The memory, processor, and transceiver component are connected via a bus; the memory can be used to store executable programs, and an exemplary executable program may include instructions; the processor is used to execute the instructions stored in the memory. The memory can also be used to store data, which can be accessed and / or modified when instructions are executed.

[0155] The processor may be a Central Processing Unit (CPU), or it may be other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. It is the computing and control core of the terminal, and it is suitable for implementing one or more instructions. Specifically, it is suitable for loading and executing one or more instructions in the storage medium to implement the corresponding method flow or corresponding function, so as to implement the steps of the grounding grid corrosion monitoring method in the above embodiments.

[0156] Example 4

[0157] Based on the same inventive concept, this invention also provides a readable storage medium, specifically an electronic device readable storage medium (Memory). This readable storage medium is a memory device within an electronic device used to store programs and data. It is understood that the storage medium here can include both built-in storage media within the electronic device and extended storage media supported by the electronic device. The storage medium provides storage space, which stores the terminal's operating system. Furthermore, this storage space also stores one or more instructions suitable for loading and execution by a processor. These instructions can be one or more executable programs (including program code). It should be noted that the storage medium here can be high-speed RAM or non-volatile memory, such as at least one disk storage device. Loading and executing one or more instructions stored in the storage medium by the processor can implement the steps of the grounding grid corrosion monitoring method described in the above embodiments.

[0158] Those skilled in the art will understand that embodiments of the present invention can be provided as methods, systems, or computer program products. Therefore, the present invention can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention can take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0159] This invention is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0160] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0161] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0162] The above are merely embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention are included within the scope of the claims of the present invention pending approval.

Claims

1. A method for monitoring the corrosion status of a grounding grid, characterized in that, Including: Obtain the branch resistance values of each branch of the grounding grid; Based on the branch resistance values, use the pre-constructed optimized digital twin virtual model to obtain the corrosion degree of each branch and visually display it; Among them, the optimized digital twin virtual model is constructed based on the digital twin virtual method, and is used to compare the branch resistance values with the preset initial branch resistance, and compare the comparison results with the corrosion degree judgment standard to obtain the corrosion degree and perform visual display.

2. The method for monitoring the corrosion state of the grounding grid according to claim 1, characterized in that, The optimized digital twin virtual model is constructed in the following manner: Construct a corrosion degree judgment standard based on the branch resistance of each branch of the grounding grid; Based on the materials of the grounding grid, perform visual differentiation on the three-dimensional model of the grounding grid to construct a visual three-dimensional model; Adopt the digital twin virtual method to construct an optimized digital twin virtual model based on the visual three-dimensional model of the grounding grid, the corrosion degree judgment standard, and the visual marks corresponding to different corrosion degrees preset.

3. The method for monitoring the corrosion state of the grounding grid according to claim 2, characterized in that, The marks for visually differentiating materials are different from the marks for visually differentiating corrosion degrees.

4. The method for monitoring the corrosion state of the grounding grid according to claim 2, characterized in that, When the marks for visually differentiating materials are the same as the marks for visually differentiating corrosion degrees, the marks for visually differentiating materials and the marks for visually differentiating corrosion degrees are located on different layers.

5. The method for monitoring the corrosion status of the grounding grid according to claim 3 or 4, characterized in that, The marks for visually differentiating the materials include one or more of the following: Color, line type, pattern or special symbol; The marks for visually differentiating the corrosion degree include one or more of the following; Color, line type, pattern or special symbol.

6. The method for monitoring the corrosion state of the grounding grid according to claim 2, characterized in that, The corrosion degree judgment standard includes: The standard based on the difference between the branch resistance value and the preset initial branch resistance or the standard based on the ratio of the branch resistance value to the preset initial branch resistance.

7. The method for monitoring the corrosion state of the grounding grid according to claim 6, characterized in that, When adopting the standard based on the difference between the branch resistance value and the preset initial branch resistance, the corrosion degree judgment standard includes: When 0Ω < R’ - R ≤ 1Ω, it is mild corrosion, where R’ is the branch resistance value and R is the preset initial branch resistance; When 1Ω < R’ - R ≤ 9Ω, it is moderate corrosion; When R’ - R > 9Ω, it is severe corrosion.

8. The method for monitoring the corrosion state of the grounding grid according to claim 6, characterized in that, When adopting the standard based on the ratio of the branch resistance value to the preset initial branch resistance, the corrosion degree judgment standard includes: When 1 < R’ / R ≤ 2, it is mild corrosion, where R’ is the branch resistance value and R is the preset initial branch resistance; When 2 < R’ / R ≤ 10, it is moderate corrosion; When R’ / R > 10, it is severe corrosion.

9. The method for monitoring the corrosion state of the grounding grid according to claim 2, characterized in that, The construction method of the three-dimensional model of the grounding grid includes: Extract features from the two-dimensional model of the grounding grid to obtain target features; Based on the target features, use three-dimensional modeling software to construct a three-dimensional model; The target features include one or more of the following: Branch position, branch size, branch shape, branch depth, number of nodes or node position.

10. The method for monitoring the corrosion state of the grounding grid according to claim 2, characterized in that, During the construction process of the optimized digital twin virtual model, it also includes: Adopt the digital twin virtual method to construct a soil environment mapping based on soil environment data to realize the mapping of the physical soil environment data to the optimized digital twin virtual model.

11. The method for monitoring the corrosion state of the grounding grid according to claim 10, characterized in that, The soil environment data includes one or more of the following: Soil temperature, soil moisture content, soil resistivity or soil pH.

12. A monitoring system for the corrosion status of a grounding grid, characterized in that, Including: A resistance acquisition module for acquiring the branch resistance values of each branch of the grounding grid; A corrosion degree acquisition module: for obtaining the corrosion degree of each branch based on the branch resistance value by using a pre-constructed optimized digital twin virtual model and visualizing and displaying it; Among them, the optimized digital twin virtual model is constructed based on the digital twin virtual method, and is used to compare the branch resistance value with a preset initial branch resistance, and compare the comparison result with a corrosion degree judgment standard to obtain the corrosion degree and perform visual display.

13. The monitoring system for the corrosion status of the grounding grid according to claim 12, characterized in that, The optimized digital twin virtual model in the corrosion degree acquisition module is constructed in the following manner: Construct a corrosion degree judgment standard based on the branch resistance of each branch of the grounding grid; Construct a visual three-dimensional model by visually distinguishing the three-dimensional model of the grounding grid based on the material of the grounding grid; Adopt the digital twin virtual method to construct an optimized digital twin virtual model based on the visual three-dimensional model of the grounding grid, the corrosion degree judgment standard, and the visual marks corresponding to different corrosion degrees preset.

14. The monitoring system for the corrosion status of the grounding grid according to claim 13, characterized in that, The marks for visually distinguishing the material in the corrosion degree acquisition module are different from the marks for visually distinguishing the corrosion degree.

15. The monitoring system for the corrosion status of the grounding grid according to claim 13, characterized in that, In the corrosion degree acquisition module, when the marks for visually distinguishing the material are the same as the marks for visually distinguishing the corrosion degree, the marks for visually distinguishing the material and the marks for visually distinguishing the corrosion degree are located on different layers.

16. The monitoring system for the corrosion status of the grounding grid according to claim 14 or 15, characterized in that, The marks for visually distinguishing the material in the corrosion degree acquisition module include one or more of the following: Color, line type, pattern or special symbol; The marks for visually distinguishing the corrosion degree include one or more of the following; Color, line type, pattern or special symbol.

17. The monitoring system for the corrosion status of the grounding grid according to claim 13, characterized in that, The corrosion degree judgment standard in the corrosion degree acquisition module includes: A standard based on the difference between the branch resistance value and the preset initial branch resistance or a standard based on the ratio of the branch resistance value to the preset initial branch resistance.

18. The monitoring system for the corrosion status of the grounding grid according to claim 17, characterized in that, In the corrosion degree acquisition module, when adopting the standard based on the difference between the branch resistance value and the preset initial branch resistance, the corrosion degree judgment standard includes: When 0Ω < R’ - R ≤ 1Ω, it is mild corrosion, where R’ is the branch resistance value and R is the preset initial branch resistance; When 1Ω < R’ - R ≤ 9Ω, it is moderate corrosion; When R’ - R > 9Ω, it is severe corrosion.

19. The monitoring system for the corrosion status of the grounding grid according to claim 17, characterized in that, In the corrosion degree acquisition module, when adopting the standard based on the ratio of the branch resistance value to the preset initial branch resistance, the corrosion degree judgment standard includes: When 1 < R’ / R ≤ 2, it is mild corrosion, where R’ is the branch resistance value and R is the preset initial branch resistance; When 2 < R’ / R ≤ 10, it is moderate corrosion; When R’ / R > 10, it is severe corrosion.

20. The monitoring system for the corrosion status of the grounding grid according to claim 13, characterized in that, The construction method of the three-dimensional model of the grounding grid in the corrosion degree acquisition module includes: Extract the target features from the two-dimensional model of the grounding grid; Construct a three-dimensional model based on the target features by using three-dimensional forming software; The target features include one or more of the following: Branch position, branch size, branch shape, branch depth, number of nodes or node position.

21. The monitoring system for the corrosion status of the grounding grid according to claim 13, characterized in that, The optimization of the digital twin virtual model construction process in the corrosion degree acquisition module also includes: A digital twin virtual method is used to construct a soil environment mapping based on soil environment data, so as to realize the mapping of the soil environment data of the entity to the optimized digital twin virtual model.

22. The monitoring system for the corrosion status of the grounding grid according to claim 21, characterized in that, The soil environmental data includes one or more of the following: Soil temperature, soil moisture content, soil resistivity, or soil pH.

23. A computer device, characterized in that, include: At least one processor and memory; The memory and processor are connected via a bus; The memory is used to store one or more programs; When the one or more programs are executed by the at least one processor, the method for monitoring the corrosion status of the grounding grid as described in any one of claims 1 to 11 is implemented.

24. A computer-readable storage medium, characterized in that, It contains an execution program, which, when executed, implements the method for monitoring the corrosion status of the grounding grid as described in any one of claims 1 to 11.

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