A monitoring management system based on a Beidou intelligent grounding line

Abstract

This invention relates to the field of grounding wire management technology and discloses a monitoring and management system for intelligent grounding wires based on the BeiDou Navigation Satellite System. The system includes installing a wireless sensor on the top of a grounding operation rod to construct a set of grounding wire status parameters; using a decimeter-level single-frequency RTK matrix to construct a set of grounding wire positioning parameters; preprocessing the data; and then numbering and storing the preprocessed grounding wire status parameter set and grounding wire positioning parameter set. The system calculates status consistency, positioning matching, temporal correlation, and lifecycle; verifies the operation process and data validity based on the calculation results; and issues early warning signals based on the verification results. This system achieves intelligent monitoring, programmed control, and information-based early warning throughout the entire grounding wire usage process, replacing traditional manual operation and verification, avoiding human negligence and non-standard operation problems, eliminating hidden dangers such as missed removal, missed installation, and incorrect sequence, and ensuring personal and equipment safety.

Description

Technical Field

[0001] This invention relates to the field of grounding wire management technology, specifically to a monitoring and management system for intelligent grounding wires based on the BeiDou Navigation Satellite System. Background Technology

[0002] Grounding wires are the core protective conductors in electrical systems and equipment, ensuring safety. One end reliably connects to the non-energized metal parts of the equipment, such as the metal casing or frame, while the other end is electrically connected to the earth or grounding grid, forming a dedicated grounding loop. Their core function is to quickly conduct the leaked fault current to the ground when equipment experiences faults such as leakage or insulation damage, preventing non-energized metal parts from becoming dangerously energized and causing electric shock accidents. Simultaneously, they stabilize system potential, suppress surge voltages, and reduce damage to equipment and lines from lightning strikes, static electricity accumulation, and grid fluctuations. They can also work with residual current devices (RCDs) and circuit breakers to achieve rapid tripping and disconnect the faulty power supply. Grounding wires must be made of conductive materials that meet specifications, ensuring secure connections, good contact, and that the grounding resistance meets the required standards. They are an indispensable safety protection configuration in all electrical scenarios, including power distribution, industrial equipment, and household appliances.

[0003] Existing grounding wires are prone to improper operation during use, such as incorrect usage sequence, omissions in removal or installation, leading to personal injury and equipment safety accidents. The core reason is that they are only basic physical protection tools, lacking intelligent sensing, programmed control, and information-based early warning capabilities. Moreover, they rely entirely on manual operation and verification, making it difficult to avoid human negligence and non-standard operation.

[0004] On the one hand, the lack of status monitoring and operation verification functions for grounding wires makes it impossible to provide real-time reminders and mandatory interlocks for key aspects such as the order of hanging and removing, the integrity of three-phase connections, and whether the wires have been removed after operation. This can easily lead to errors in steps or omissions by operators due to the complexity of maintenance tasks, the complex on-site environment, and memory of operational procedures. On the other hand, the lack of digital recording and traceability throughout the entire process of grounding wire usage means that managers cannot monitor the on-site operation in real time and can only manually verify the compliance of the operation afterward. Inappropriate behavior during operation cannot be detected, intervened, or corrected in a timely manner. The subjectivity and limitations of manual verification can easily lead to the neglect of oversights. Ultimately, these operational errors cause the grounding wires to lose their due safety protection function, which in turn can lead to safety accidents such as electric shock, short circuits in the power grid, and equipment damage. Summary of the Invention

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a monitoring and management system for intelligent grounding wires based on the BeiDou Navigation Satellite System. Through the collaborative operation of intelligent sensing modules, edge transmission modules, data management modules, monitoring and verification modules, and anomaly warning modules, it achieves intelligent monitoring, programmed control, and information-based early warning throughout the entire grounding wire usage process. This replaces traditional manual operation and verification, avoids human negligence and non-standard operation issues, eliminates hidden dangers such as missed removal, missed installation, and incorrect sequence, and ensures personal and equipment safety. Simultaneously, it enables digital recording and traceability of the entire operation process, facilitating real-time monitoring of on-site operations by management personnel and timely intervention to correct inappropriate behavior.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the present invention provides the following technical solution: a monitoring and management system based on Beidou intelligent grounding wire, comprising an intelligent sensing module, an edge transmission module, a data management module, a monitoring and verification module, and an anomaly warning module;

[0009] The intelligent sensing module includes a status monitoring unit and a positioning and tracking unit. The status monitoring unit is used to install a wireless sensing device on the top of the grounding operating rod to sense the three-phase working status of the operating rod in real time and construct a set of grounding wire status parameters. The positioning and tracking unit adopts a decimeter-level single-frequency RTK Qianxun Magic Cube to collect the positioning data of the operating rod in real time and construct a set of grounding wire positioning parameters.

[0010] The edge transmission module includes a data processing unit and a data storage unit. The data processing unit is used to preprocess the grounding wire status parameter set and grounding wire positioning parameter set obtained by the intelligent sensing module, and then send the preprocessed grounding wire status parameter set and grounding wire positioning parameter set to the data storage unit for numbered storage.

[0011] The data management module is used to calculate state consistency, positioning matching, temporal correlation, and lifecycle based on the preprocessed grounding wire state parameter set and grounding wire positioning parameter set.

[0012] The monitoring and verification module is used to verify the operation process and data validity based on the calculation results of the data management module.

[0013] The anomaly warning module is used to issue an early warning signal based on the verification results of the monitoring and verification module.

[0014] Preferably, the set of grounding wire status parameters includes the contact stability, contact resistance, three-phase connection integrity identifier, and status acquisition timestamp for each phase connection;

[0015] The grounding wire positioning parameter set includes the latitude and longitude of the control stick, the moving speed, the altitude, the heading angle, and the positioning acquisition timestamp.

[0016] Preferably, the preprocessing of the data processing unit includes:

[0017] Data cleaning: Remove missing values ​​and outliers using the 3σ principle, and fill in data with historical data;

[0018] Data standardization: The set of grounding wire status parameters and the set of grounding wire positioning parameters are standardized using the Z-Score standardization method.

[0019] Preferably, the formula for calculating the state consistency is:

[0020] ;

[0021] in, This represents state consistency; The core weight representing the integrity of the three-phase connection; , , These represent the single-parameter connection consistency of phases A, B, and C, respectively. The calculation formula is as follows:

[0022] ;

[0023] in, Represents single-parameter consistency. ; Represents a small constant; Representing the Phase contact resistance parameters; Represents standard contact resistance; Representing the Phase contact stability parameters; Representative; standard contact stability.

[0024] Preferably, the formula for calculating the positioning matching is:

[0025] ;

[0026] in, Represents location matching; Represents the latitude and longitude matching weight; Represents a high degree of matching weight; Represents a small constant; This represents the longitude parameter in the real-time latitude and longitude of the grounding wire; Represents the preset longitude value; This represents the latitude parameter in the real-time latitude and longitude of the grounding wire; Represents the preset latitude value; The real-time height parameter representing the grounding wire; This represents the preset height value.

[0027] Preferably, the formula for calculating the temporal correlation is:

[0028] ;

[0029] in, Represents temporal correlation; A timestamp representing a change in the grounding wire's state; The timestamp representing the change in the grounding wire location corresponding to the state change; The timestamp representing the end of this power maintenance operation; This is the timestamp indicating the start of this power maintenance operation.

[0030] Preferably, the formula for calculating the lifecycle is:

[0031] ;

[0032] in, Represents life cycle; This represents the cumulative connection time corresponding to the design service life of the grounding wire; This represents the duration of the connection. This represents the cumulative historical connection duration; This represents the average contact resistance of the grounding wire. This represents the initial contact resistance.

[0033] Preferably, the monitoring and verification module verifies the operation process based on a comprehensive compliance coefficient, and the formula for calculating the comprehensive compliance coefficient is as follows:

[0034] ;

[0035] in, This represents the overall compliance coefficient of the operational process; , , , These represent the weights for state consistency, location matching, temporal correlation, and lifecycle, respectively.

[0036] When the overall compliance coefficient of the operation process is greater than or equal to the threshold of the overall compliance coefficient of the operation process, it means that the operation process is compliant; otherwise, it means that the operation process is non-compliant.

[0037] Preferably, the monitoring and verification module verifies data validity based on a comprehensive data validity coefficient, the formula for which the comprehensive data validity coefficient is calculated is:

[0038] ;

[0039] in, , , , These represent the validity coefficients of single-indicator data for state consistency, location matching, temporal correlation, and lifecycle, respectively, and are calculated using the following formulas:

[0040] ;

[0041] in, It represents any one of the following indicators: state consistency, location matching, temporal correlation, and lifecycle.

[0042] The data is considered valid if the overall validity coefficient is greater than or equal to the threshold; otherwise, the data is considered invalid.

[0043] Preferably, the anomaly warning module issues a warning signal when there is non-compliance in the operation process or invalid data.

[0044] Compared with existing technologies, this invention provides a monitoring and management system based on BeiDou intelligent grounding wires, which has the following beneficial effects:

[0045] This invention utilizes a wireless sensor installed on the top of a grounding control rod to monitor its three-phase operating status in real time and construct a set of grounding wire status parameters. A decimeter-level single-frequency RTK cube is used to collect the rod's positioning data in real time, synchronously recording the data acquisition timestamp and constructing a grounding wire positioning parameter set. After data cleaning and Z-score standardization preprocessing of both types of parameters, four core indicators are calculated: status consistency, positioning matching, temporal correlation, and lifecycle. The compliance of the operation process is verified by a comprehensive compliance coefficient, and the reliability of the data is verified by a comprehensive validity coefficient. Preset thresholds are used to determine whether the operation process is compliant and the data is valid. Finally, an anomaly warning module issues warning signals for non-compliant operation processes and invalid data. This achieves intelligent monitoring, programmed control, and information-based early warning throughout the entire grounding wire usage process, replacing traditional manual operation verification. It avoids human negligence and non-standard operation problems, eliminates hidden dangers such as missed removal, missed installation, and incorrect sequence, and ensures personal and equipment safety. Simultaneously, it enables digital recording and traceability of the entire operation process, allowing managers to monitor the on-site operation in real time and intervene to correct inappropriate behavior promptly. Attached Figure Description

[0046] Figure 1 This is a schematic diagram of the system of the present invention. Detailed Implementation

[0047] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. It is worth noting that this application also relates to prior art. Since prior art is well known to those skilled in the art, it will not be described in detail in this application.

[0048] Please see Figure 1 A monitoring and management system based on Beidou intelligent grounding wire includes an intelligent sensing module, an edge transmission module, a data management module, a monitoring and verification module, and an anomaly warning module.

[0049] The intelligent sensing module includes a status monitoring unit and a positioning and tracking unit. The status monitoring unit is used to install wireless sensing devices on the top of the grounding operating rod to sense the three-phase working status of the operating rod in real time and build a set of grounding wire status parameters. The positioning and tracking unit adopts a decimeter-level single-frequency RTK Qianxun Magic Cube to collect the positioning data of the operating rod in real time and build a set of grounding wire positioning parameters.

[0050] The grounding wire status parameter set includes the contact stability, contact resistance, three-phase connection integrity identifier, and status acquisition timestamp for each phase connection. It completely solves the core pain point of traditional grounding wires lacking status sensing, providing basic data support for subsequent verification and early warning. It eliminates the need for manual inspection of the three-phase connection by operators, and uses wireless sensing devices to sense in real time. This avoids omissions and misjudgments caused by complex maintenance tasks and on-site environments. It senses the three-phase working status in real time and constructs a status set including parameters such as contact stability and contact resistance, which directly reflects whether the grounding wire can play a normal role in short-circuit grounding protection, thus avoiding safety accidents caused by ineffective connection from the source.

[0051] The grounding wire positioning parameter set includes the latitude and longitude of the operating rod, moving speed, altitude, heading angle, and positioning acquisition timestamp. It solves the pain points of traditional grounding wires, such as the inability to track their location and the lack of recording of their usage trajectory. It achieves visualized positioning and time-trackable tracking. The decimeter-level positioning accuracy can accurately capture the latitude, longitude, altitude, and other positioning data of the operating rod, clearly identifying the actual usage location of the grounding wire. This prevents the grounding wire from being mistakenly hung in non-designated work areas or used for other unrelated tasks, thus controlling operational compliance from a spatial perspective. The data acquisition timestamp is recorded synchronously and linked with the status parameter timestamp of the grounding wire status parameter set, enabling precise verification of whether the hanging and removing sequence is compliant.

[0052] The edge transmission module includes a data processing unit and a data storage unit. The data processing unit is used to preprocess the set of ground wire status parameters and the set of ground wire positioning parameters obtained by the intelligent sensing module, and then send the preprocessed set of ground wire status parameters and the set of ground wire positioning parameters to the data storage unit for numbered storage.

[0053] Preprocessing ensures data quality, achieves standardized data management, and guarantees the accuracy of subsequent calculations and verifications. Specifically, this includes:

[0054] Data cleaning: Missing values ​​are removed, and outliers are removed using the 3σ principle. Historical data is used to fill in the missing values. Data standardization: The grounding wire status parameter set and the grounding wire location parameter set are standardized using the Z-Score standardization method.

[0055] The data management module is used to calculate state consistency, location matching, temporal correlation, and lifecycle based on the preprocessed grounding wire state parameter set and grounding wire location parameter set.

[0056] The formula for calculating state consistency is:

[0057] ;

[0058] in, This represents state consistency; The core weight representing the integrity of the three-phase connection; , , These represent the single-parameter connection consistency of phases A, B, and C, respectively. The calculation formula is as follows:

[0059] ;

[0060] in, Represents single-parameter consistency. ; Represents a small constant; Representing the Phase contact resistance parameters; Represents standard contact resistance; Representing the Phase contact stability parameters; Representative; Standard contact stability;

[0061] Status consistency transforms the contact stability and contact resistance of three-phase connection into quantifiable indicators, allowing for a direct assessment of whether the three-phase connection is complete and secure, replacing the fuzzy judgment of traditional methods, and making the status display more accurate and objective.

[0062] The formula for calculating location matching is:

[0063] ;

[0064] in, Represents location matching; Represents the latitude and longitude matching weight; Represents a high degree of matching weight; Represents a small constant; This represents the longitude parameter in the real-time latitude and longitude of the grounding wire; Represents the preset longitude value; This represents the latitude parameter in the real-time latitude and longitude of the grounding wire; Represents the preset latitude value; The real-time height parameter representing the grounding wire; This represents the preset height value;

[0065] The positioning matching quantifies the degree of matching between the real-time position of the grounding wire and the designated work area, which can quickly identify potential hazards such as misplaced areas and unauthorized movement, and realize intelligent and precise position control;

[0066] The formula for calculating temporal correlation is:

[0067] ;

[0068] in, Represents temporal correlation; A timestamp representing a change in the grounding wire's state; The timestamp representing the change in the grounding wire location corresponding to the state change; The timestamp representing the end of this power maintenance operation; This indicates the start time of this power maintenance operation;

[0069] The time-series correlation of status changes and location changes is used to quantitatively determine whether the order of hanging and unhanging is compliant, thus eliminating the potential for incorrect operation order.

[0070] The formula for calculating lifecycle is:

[0071] ;

[0072] in, Represents life cycle; This represents the cumulative connection time corresponding to the design service life of the grounding wire; This represents the duration of the connection. This represents the cumulative historical connection duration; This represents the average contact resistance of the grounding wire. Represents the initial contact resistance;

[0073] By combining historical and current data, the lifecycle of grounding wires is quantified to predict whether equipment needs to be checked or replaced in advance, thus avoiding the use of grounding wires that are severely damaged and unable to provide normal protection, and extending the scope of management to the entire lifecycle of the equipment.

[0074] The monitoring and verification module verifies the operation process based on the comprehensive compliance coefficient of the operation process. The formula for calculating the comprehensive compliance coefficient of the operation process is as follows:

[0075] ;

[0076] in, This represents the overall compliance coefficient of the operational process; , , , These represent the weights for state consistency, location matching, temporal correlation, and lifecycle, respectively.

[0077] When the overall compliance coefficient of the operation process is greater than or equal to the threshold of the overall compliance coefficient of the operation process, it means that the operation process is compliant; otherwise, it means that the operation process is non-compliant.

[0078] The comprehensive compliance coefficient of the operation process is calculated based on four core indicators: status consistency, location matching, timing correlation, and lifecycle. The overall operation process is judged to be compliant by quantifying thresholds. It fully covers the four core links of attachment status, location, timing, and equipment wear and tear, avoiding the omission of anomalies in a single link. At the same time, it replaces traditional manual verification and reduces the omissions caused by human subjectivity and limitations.

[0079] The monitoring and verification module verifies data validity based on the comprehensive data validity coefficient. The formula for calculating the comprehensive data validity coefficient is as follows:

[0080] ;

[0081] in, , , , These represent the validity coefficients of single-indicator data for state consistency, location matching, temporal correlation, and lifecycle, respectively, and are calculated using the following formulas:

[0082] ;

[0083] in, It represents any one of the following indicators: state consistency, location matching, temporal correlation, and lifecycle.

[0084] The data is considered valid if the overall validity coefficient is greater than or equal to the threshold; otherwise, the data is considered invalid.

[0085] The comprehensive validity coefficient of data is calculated based on the validity coefficient of single-indicator data. This determines whether the original data and preprocessed data used for calculation and verification are reliable. If the data is invalid, it can be detected and processed in a timely manner to avoid misjudgment of verification due to data anomalies and ensure the accuracy and authority of the verification results.

[0086] The integration of operational process verification and data validity verification mechanisms enables timely detection of improper behaviors and data anomalies during operations, providing accurate basis for subsequent early warning and intervention, achieving pre-event prevention and in-event control, and replacing traditional post-event verification.

[0087] The anomaly warning module issues an early warning signal when there is non-compliance in the operation process or invalid data, avoiding operational interference caused by indiscriminate warnings. Operators can quickly and specifically handle the situation, ensuring that both operators and managers receive the warning information in a timely manner, intervene quickly to correct the problem, and prevent the potential hazards from escalating.

[0088] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A monitoring and management system based on BeiDou intelligent grounding wires, characterized in that, It includes an intelligent sensing module, an edge transmission module, a data management module, a monitoring and verification module, and an anomaly alert module; The intelligent sensing module includes a status monitoring unit and a positioning and tracking unit. The status monitoring unit is used to install a wireless sensing device on the top of the grounding operating rod to sense the three-phase working status of the operating rod in real time and construct a set of grounding wire status parameters. The positioning and tracking unit adopts a decimeter-level single-frequency RTK Qianxun Magic Cube to collect the positioning data of the operating rod in real time and construct a set of grounding wire positioning parameters. The edge transmission module includes a data processing unit and a data storage unit. The data processing unit is used to preprocess the grounding wire status parameter set and grounding wire positioning parameter set obtained by the intelligent sensing module, and then send the preprocessed grounding wire status parameter set and grounding wire positioning parameter set to the data storage unit for numbered storage. The data management module is used to calculate state consistency, positioning matching, temporal correlation, and lifecycle based on the preprocessed grounding wire state parameter set and grounding wire positioning parameter set. The monitoring and verification module is used to verify the operation process and data validity based on the calculation results of the data management module. The anomaly warning module is used to issue an early warning signal based on the verification results of the monitoring and verification module.

2. The monitoring and management system based on Beidou intelligent grounding wire according to claim 1, characterized in that, The set of grounding wire status parameters includes the contact stability, contact resistance, three-phase connection integrity identifier, and status acquisition timestamp for each phase connection. The grounding wire positioning parameter set includes the latitude and longitude of the control stick, the moving speed, the altitude, the heading angle, and the positioning acquisition timestamp.

3. The monitoring and management system based on Beidou intelligent grounding wire according to claim 2, characterized in that, The preprocessing of the data processing unit includes: Data cleaning: Remove missing values ​​and outliers using the 3σ principle, and fill in data with historical data; Data standardization: The set of grounding wire status parameters and the set of grounding wire positioning parameters are standardized using the Z-Score standardization method.

4. The monitoring and management system based on Beidou intelligent grounding wire according to claim 3, characterized in that, The formula for calculating the state consistency is: ； in, This represents state consistency; The core weight representing the integrity of the three-phase connection; , , These represent the single-parameter connection consistency of phases A, B, and C, respectively. The calculation formula is as follows: ； in, Represents single-parameter consistency. ; Represents a small constant; Representing the Phase contact resistance parameters; Represents standard contact resistance; Representing the Phase contact stability parameters; Representative; standard contact stability.

5. A monitoring and management system based on Beidou intelligent grounding wire according to claim 3, characterized in that, The formula for calculating the location matching is: ； in, Represents location matching; Represents the latitude and longitude matching weight; Represents a high degree of matching weight; Represents a small constant; This represents the longitude parameter in the real-time latitude and longitude of the grounding wire; Represents the preset longitude value; This represents the latitude parameter in the real-time latitude and longitude of the grounding wire; Represents the preset latitude value; The real-time height parameter representing the grounding wire; This represents the preset height value.

6. The monitoring and management system based on Beidou intelligent grounding wire according to claim 3, characterized in that, The formula for calculating the temporal correlation is: ； in, Represents temporal correlation; A timestamp representing a change in the grounding wire's state; The timestamp representing the change in the grounding wire location corresponding to the state change; The timestamp representing the end of this power maintenance operation; This is the timestamp indicating the start of this power maintenance operation.

7. The monitoring and management system based on Beidou intelligent grounding wire according to claim 3, characterized in that, The formula for calculating the lifecycle is: ； in, Represents life cycle; This represents the cumulative connection time corresponding to the design service life of the grounding wire; This represents the duration of the connection. This represents the cumulative historical connection duration; This represents the average contact resistance of the grounding wire. This represents the initial contact resistance.

8. The monitoring and management system based on Beidou intelligent grounding wire according to claim 4, characterized in that, The monitoring and verification module verifies the operation process based on a comprehensive compliance coefficient. The formula for calculating the comprehensive compliance coefficient is as follows: ； in, This represents the overall compliance coefficient of the operational process; , , , These represent the weights for state consistency, location matching, temporal correlation, and lifecycle, respectively. When the overall compliance coefficient of the operation process is greater than or equal to the threshold of the overall compliance coefficient of the operation process, it means that the operation process is compliant; otherwise, it means that the operation process is non-compliant.

9. A monitoring and management system based on Beidou intelligent grounding wire according to claim 4, characterized in that, The monitoring and verification module verifies data validity based on a comprehensive data validity coefficient. The formula for calculating the comprehensive data validity coefficient is as follows: ； in, , , , These represent the validity coefficients of single-indicator data for state consistency, location matching, temporal correlation, and lifecycle, respectively, and are calculated using the following formulas: ； in, It represents any one of the following indicators: state consistency, location matching, temporal correlation, and lifecycle. The data is considered valid if the overall validity coefficient is greater than or equal to the threshold; otherwise, the data is considered invalid.

10. A monitoring and management system based on BeiDou intelligent grounding wire according to claim 9, characterized in that, The anomaly warning module issues a warning signal when there is non-compliance in the operation process or invalid data.

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