Electrical safety monitoring platform and remote power-off intervention method

Abstract

The invention relates to the technical field of electrical safety monitoring, in particular to an electrical safety monitoring platform and a remote power-off intervention method, which can timely identify the abnormal working condition of equipment and shorten the fault discovery and processing time through high-frequency real-time data sampling; the limitation of the traditional technology is overcome, the possibility of false alarm is effectively reduced through a multi-dimensional alarm standard, and the monitoring sensitivity and accuracy are improved; user authentication and authority management of the remote intervention module are combined to ensure that the system is not influenced by attacks and misoperation, so that the security of the system is greatly enhanced; and the user-friendly visual interface provides real-time electrical parameter display, historical data query and manual operation functions, so that the user experience and the operation convenience are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical safety monitoring, and more specifically, to an electrical safety monitoring platform and a remote power-off intervention method. Background Art

[0002] With the widespread application of electrical equipment in industrial and civil fields, ensuring the safety and stability of equipment has become a key issue. However, traditional electrical monitoring systems usually rely on simple physical parameter monitoring, such as current and voltage values, lack intelligent analysis capabilities, and cannot effectively identify potential faults in a timely manner. According to statistics, there are delays in the discovery and processing of many electrical equipment faults, resulting in data loss and higher maintenance costs; for example, a Chinese patent with patent announcement number CN117879179B discloses a method and system for monitoring the abnormal power status of electrical equipment. Although it can monitor the operation of the equipment, it has obvious deficiencies in data analysis and feedback mechanisms. When an abnormal situation occurs in the equipment, there is a lack of reliable data mining and automatic response capabilities; therefore, an electrical safety monitoring platform that integrates intelligent analysis, alarm and remote control is needed. Summary of the invention

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide an electrical safety monitoring platform and a remote power-off intervention method to solve the problems existing in the above-mentioned background technology.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions: an electrical safety monitoring platform, comprising: A high-frequency sampling module is used to collect current and voltage data of different electrical devices in real time within a detection period at a frequency of 12,000 times per second, and to generate current data columns and voltage data columns of the electrical devices based on the collected data; A data analysis module processes the current data column and the voltage data column generated by the high-frequency sampling module, generates a characteristic fingerprint of the corresponding electrical equipment according to the data processed once, performs secondary processing calculation on the data processed once, binds the secondary processed data with the characteristic fingerprint of the corresponding electrical equipment, compares the secondary processed data with the preset alarm standard, thereby realizing real-time monitoring of the operating status of the electrical equipment, and generates different types of alarm information and information marks when abnormalities are detected in the electrical equipment, and outputs the characteristic fingerprint of the corresponding electrical equipment and the generated information mark synchronously; An instruction generation module is used to generate different control instructions according to different information labels, and synchronously transmit the generated control instructions with the characteristic fingerprint of the corresponding electrical equipment; The remote intervention module is used to receive the control instructions issued by the instruction production module, match the corresponding electrical equipment according to the characteristic fingerprints of the synchronous transmission, and perform remote power-off operations on the corresponding electrical equipment according to different control instructions.

[0005] Optionally, the preset alarm standards include: total harmonic distortion, absolute value of z-score, voltage fluctuation rate, frequency deviation, operating current and instantaneous current.

[0006] Optionally, the remote intervention module is further provided with a wireless communication control unit, which is configured to remotely control the state of the electrical equipment and is equipped with user authentication and authority management functions to prevent unauthorized manipulation.

[0007] Optionally, it also includes: a visualization interface module, which is communicatively connected to the instruction production module; the visualization interface module includes an intelligent terminal, through which a user can view the real-time data, fault history records and alarm information of the data analysis module, and can manually control the start and stop of the equipment and set alarm standards.

[0008] A remote power-off intervention method based on the above electrical safety monitoring platform comprises: Step A: The high-frequency sampling module samples the current and voltage data of the electrical equipment in real time during the detection period, stores the timestamp i of each sampling, and generates corresponding current data columns and voltage data columns; Step B: The data analysis module performs initial processing and analysis on the data collected by the high-frequency sampling module, and generates a characteristic fingerprint of the device through the processed data; Step C: The data analysis module performs secondary processing and analysis on the data processed once, binds the secondary processed data with the characteristic fingerprint of the electrical equipment, compares the secondary processed data with the set alarm standard, outputs the corresponding information mark according to the comparison result, and records the fault details. At the same time, the characteristic fingerprint of the electrical equipment and the information mark are output synchronously; Step D: the instruction generation module generates corresponding control instructions according to the corresponding information mark, and synchronously transmits the generated control instructions and the characteristic fingerprint of the electrical equipment to the remote intervention module; Step E: After the remote intervention module matches the corresponding electrical equipment according to the characteristic fingerprint of the synchronous transmission, it takes corresponding power-off intervention measures for the corresponding electrical equipment according to the control instruction; Step F: The data analysis module sends a notification message to relevant managers or users, indicating the power outage situation and cause.

[0009] Optionally, the step B further comprises: B1. Calculate the mean value of the current data of the electrical equipment. , where N is the total number of current samples in the current data column, is the current sample of each sampling time stamp in the current data column; B2. Calculate the standard deviation of the current data of the electrical equipment. ; B3. Calculate the skewness of the current data of the electrical equipment. ; B4. Calculate the peak value of the current data of the electrical equipment. ; B5. Generate characteristic fingerprints of electrical equipment through calculated values , in order to facilitate the screening of electrical equipment.

[0010] Optionally, step C includes: C1. Calculate the absolute value of z-score. ,in is the current value of the detection timestamp within the detection cycle, 1 k N; when In the case of , the data point is close to the mean value, it is judged that the electrical equipment is in normal working state, and the information mark of normal working is output; when In the case of abnormal working state, the electrical equipment is judged to be in abnormal working state and the information mark of potential risk is output; when When |z|≥3, the electrical equipment is judged to be in an abnormal working state and an information mark of risk is output; when |z|≥3, the electrical equipment is judged to be in a faulty working state and an information mark of fault state is output; C2. Calculate the total harmonic distortion rate of the electrical equipment by measuring the current value. ,in is the fundamental effective value current, is the effective value current of each harmonic; when In the case of a fault, it is judged that the harmonic components in the current have a serious impact and an information mark of the fault status is output; C3. Calculate the total voltage harmonic distortion rate of the electrical equipment by measuring the voltage value. ,in is the fundamental effective value voltage, is the effective value voltage of each harmonic; when In the case of a fault, it is determined that the harmonic components in the voltage affect the normal operation of the electrical equipment and outputs information indicating the fault status; C4. Compare the working voltage of the detected electrical equipment with the set working voltage threshold. ,in is the current operating voltage, is the rated working voltage of the electrical equipment, If the voltage fluctuation exceeds the alarm threshold, the electrical equipment is judged to be in an abnormal working state, and an abnormal state information mark is output; C5. Compare the working frequency of the tested electrical equipment with the rated working frequency of the electrical equipment. ,in is the current operating frequency, is the rated operating frequency of the electrical equipment, it is determined that the operating frequency deviation exceeds the alarm threshold, it is determined that the electrical equipment is in an abnormal operating state at this time, and an abnormal state information mark is output; C6. Compare the working current of the tested electrical equipment with the rated working current of the electrical equipment. ,in is the current working current, is the rated working current of the electrical equipment, then it is judged that the electrical equipment is in an overload working state at this time, and an information mark of a fault state is output; C7. Compare the instantaneous current of the detected electrical equipment with the set instantaneous current threshold. ,in is the instantaneous current of the electrical equipment, is the rated working current of the electrical equipment, 10 If the instantaneous current threshold is set, it is judged that the electrical equipment is in a short-circuit state at this time, and an information mark of the fault state is output.

[0011] Optionally, the step D comprises: D1. When any detection output indicates a fault status in the same detection cycle, a control instruction for immediate power off is generated and transmitted to the remote intervention module synchronously with the characteristic fingerprint of the electrical equipment; D2. When any detection output indicates an abnormal state within the same detection cycle, a control instruction for delayed power off is generated and transmitted to the remote intervention module synchronously with the characteristic fingerprint of the electrical equipment.

[0012] Optionally, the step E includes: E1. When the remote intervention module receives a control instruction to immediately cut off the power supply within any detection cycle, it matches the corresponding electrical equipment according to the characteristic fingerprint of the synchronously transmitted electrical equipment, performs a power-off intervention on the electrical equipment, and immediately cuts off the power supply of the electrical equipment; E2. When the remote intervention module receives a delayed power-off control instruction of the same feature fingerprint within two consecutive detection cycles, it matches the corresponding electrical equipment according to the feature fingerprint of the synchronously transmitted electrical equipment, performs power-off intervention on the electrical equipment, and immediately cuts off the power supply to the electrical equipment.

[0013] In summary, the present invention has the following beneficial effects: 1. Real-time monitoring and efficient identification: Through high-frequency real-time data sampling, abnormal equipment conditions can be identified in a timely manner, shortening the time for fault discovery and processing.

[0014] 2. Intelligent early warning mechanism: Overcoming the limitations of traditional technology, the multi-dimensional alarm standards effectively reduce the possibility of false alarms and improve the sensitivity and accuracy of monitoring.

[0015] 3. Safe and reliable remote control: Combined with the user authentication and authority management of the remote intervention module, it ensures that it is not affected by attacks and misoperations, greatly enhancing the security of the system.

[0016] 4. User-friendly visual interface: provides real-time electrical parameter display, historical data query and manual operation functions, improving user experience and convenience of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the system of the present invention for judging and processing the working state of low-voltage electrical equipment; Figure 2 It is a flow chart of the method steps of the present invention. DETAILED DESCRIPTION

[0018] In order to make the purpose, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings. Several embodiments of the present invention are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.

[0019] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. The terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0020] In the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, the first feature being "above", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. The terms "vertical", "horizontal", "left", "right", "above", "below" and similar expressions are for illustrative purposes only, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0021] The present invention is described in detail below in conjunction with the accompanying drawings and embodiments.

[0022] The present invention provides an electrical safety monitoring platform, comprising: a high-frequency sampling module for collecting current and voltage data of different electrical devices in real time within a detection period at a frequency of 12,000 times per second, and generating a current data column and a voltage data column of the electrical devices according to the collected data; A data analysis module processes the current data column and the voltage data column generated by the high-frequency sampling module, generates a characteristic fingerprint of the corresponding electrical equipment according to the data processed once, performs secondary processing calculation on the data processed once, binds the secondary processed data with the characteristic fingerprint of the corresponding electrical equipment, compares the secondary processed data with the preset alarm standard, thereby realizing real-time monitoring of the operating status of the electrical equipment, and generates different types of alarm information and information marks when abnormalities are detected in the electrical equipment, and outputs the characteristic fingerprint of the corresponding electrical equipment and the generated information mark synchronously; The instruction production module is used to generate different control instructions according to different information labels, and synchronously transmit the generated control instructions with the characteristic fingerprint of the corresponding electrical equipment; The remote intervention module is used to receive the control instructions issued by the instruction production module, match the corresponding electrical equipment according to the characteristic fingerprints of the synchronous transmission, and perform remote power-off operations on the corresponding electrical equipment according to different control instructions.

[0023] In a specific embodiment, a high-frequency sampling module is installed on several electrical equipment to detect various operating parameters of the sampled electrical equipment and transmit them to a data analysis module. The data analysis module performs initial processing based on the sampled and collected data, and generates a characteristic fingerprint of each electrical equipment based on the data after the first processing, so as to distinguish and judge the electrical equipment. The data analysis module performs secondary processing on the data after the first processing, and compares it with the corresponding set threshold, outputs the corresponding information mark, and synchronously outputs the output information mark and the characteristic fingerprint of the corresponding electrical equipment to the instruction production module. The instruction production module generates a corresponding control instruction based on the corresponding information mark, and synchronously transmits it and the characteristic fingerprint of the corresponding electrical equipment to the remote intervention module. The remote intervention module screens and matches the corresponding electrical equipment through the synchronously transmitted characteristic fingerprint, and executes power-off intervention measures according to the control instruction. At the same time, the data analysis module outputs the corresponding power-off situation and cause for future review.

[0024] Optionally, the remote intervention module includes a receiver for receiving and analyzing control instructions and an intelligent circuit breaker. The intelligent circuit breaker is communicatively connected to the receiver. The intelligent circuit breaker is generally arranged on the power supply line of the electrical equipment to facilitate timely power-off intervention operations.

[0025] Optionally, a convolutional neural network (CNN) is used in the data analysis module to train the current and voltage data, and the normal and faulty operation data in the past year are used for model training to establish a feature library, analyze and judge based on big data, and dynamically adjust the preset alarm standards; at this time, the system can identify slight changes in the data compared with normal operation, and judge potential faults; the automatic recognition rate and judgment accuracy of various electrical faults are improved, the workload of maintenance personnel is reduced, and the timeliness of fault response is improved.

[0026] Furthermore, the preset alarm standards include: total harmonic distortion, absolute value of z-score, voltage fluctuation rate, frequency deviation, operating current and instantaneous current.

[0027] Specifically, the real-time monitoring capability has been enhanced. Since each standard has a clear threshold, the accuracy of the alarm is guaranteed and false alarms are significantly reduced.

[0028] Furthermore, the remote intervention module is also provided with a wireless communication control unit, which is configured to remotely control the state of the electrical equipment and is equipped with user authentication and authority management functions to prevent unauthorized manipulation.

[0029] Furthermore, it also includes: a visualization interface module, which is communicatively connected to the instruction production module; the visualization interface module includes an intelligent terminal, through which the user can view the real-time data, fault history records and alarm information of the data analysis module, and can manually control the start and stop of the equipment and set the alarm standard.

[0030] Specifically, the visual interface module is designed with a user-friendly operation panel, through which users can view real-time electrical parameters and fault history records through mobile phones or computers, and can manually control and set the equipment on the interface, and obtain real-time feedback on operation results; it improves the user experience and is intuitive to operate, allowing users to learn about the equipment's operating conditions and fault history at the first time, facilitating timely decision-making.

[0031] A remote power-off intervention method based on the above electrical safety monitoring platform comprises: Step A: The high-frequency sampling module samples the current and voltage data of the electrical equipment in real time during the detection period, stores the timestamp i of each sampling, and generates corresponding current data columns and voltage data columns; Step B: The data analysis module performs initial processing and analysis on the data collected by the high-frequency sampling module, and generates a characteristic fingerprint of the device through the processed data; The step B comprises: B1. Calculate the mean value of the current data of the electrical equipment. , where N is the total number of current samples in the current data column, is the current sample of each sampling time stamp in the current data column; B2. Calculate the standard deviation of the current data of the electrical equipment. ; B3. Calculate the skewness of the current data of the electrical equipment. ; B4. Calculate the peak value of the current data of the electrical equipment. ; B5. Generate characteristic fingerprints of electrical equipment through calculated values , to facilitate the screening of electrical equipment; In a specific embodiment, in order to cope with the situation where there are multiple electrical equipment with similar working conditions and avoid duplication of data collected by electrical equipment with similar working conditions, resulting in incorrect matching or inability to match, the data analysis module performs initial processing and analysis on the initial data collected by the high-frequency sampling module to obtain the mean, standard deviation, skewness and peak value of the current data of the electrical equipment. The mean, standard deviation, skewness and peak value have good resolution among electrical equipment with similar working conditions. These four calculated values ​​are bound to the electrical equipment to form the characteristic fingerprint of the corresponding electrical equipment, which is convenient for matching the corresponding electrical equipment when executing control instructions subsequently, thereby reducing the probability of erroneous operations.

[0032] Step C: The data analysis module performs comparison according to the set alarm standard, outputs corresponding information marks according to the comparison results, and records the fault details; C1. Calculate the absolute value of z-score. ,in is the current value of the detection timestamp within the detection cycle, 1 k N; when In the case of , the data point is close to the mean value, it is judged that the electrical equipment is in normal working state, and the information mark of normal working is output; when In the case of abnormal working state, the electrical equipment is judged to be in abnormal working state and the information mark of potential risk is output; when When |z|≥3, the electrical equipment is judged to be in an abnormal working state and an information mark of risk is output; when |z|≥3, the electrical equipment is judged to be in a faulty working state and an information mark of fault state is output; Specifically, the detection timestamp can be manually adjusted according to the actual usage and working conditions of the electrical equipment to better match different usage scenarios; in this embodiment, the central axis time of the detection cycle is selected.

[0033] Specifically, when the information mark of potential risk is output, the management personnel are reminded to pay more attention to the various parameters of the electrical equipment to avoid the potential fault point from further expanding and causing the electrical equipment to fail, so as to achieve the effect of active protection of the electrical equipment and further improve the efficiency of detection; when the information mark of risk is output, it is prompted that the equipment is in an abnormal working state, and the management personnel need to be reminded to go to the site as soon as possible to troubleshoot the problem factors to avoid the potential fault point from further expanding and causing the electrical equipment to fail, so as to achieve the effect of active protection of the electrical equipment.

[0034] C2. Calculate the total harmonic distortion rate of the electrical equipment by measuring the current value. ,in is the fundamental effective value current, is the effective value current of each harmonic; when In the case of a fault, it is judged that the harmonic components in the current have a serious impact and an information mark of the fault status is output; C3. Calculate the voltage harmonic total distortion rate of the electrical equipment by measuring the voltage value. ,in is the fundamental effective value voltage, is the effective value voltage of each harmonic; when In the case of a fault, it is determined that the harmonic components in the voltage affect the normal operation of the electrical equipment and outputs information indicating the fault status; C4. Compare the working voltage of the detected electrical equipment with the set working voltage threshold. ,in is the current operating voltage, is the rated working voltage of the electrical equipment, If the voltage fluctuation exceeds the alarm threshold, the electrical equipment is judged to be in an abnormal working state, and an abnormal state information mark is output; C5. Compare the working frequency of the tested electrical equipment with the rated working frequency of the electrical equipment. ,in is the current operating frequency, is the rated operating frequency of the electrical equipment, it is determined that the operating frequency deviation exceeds the alarm threshold, it is determined that the electrical equipment is in an abnormal operating state at this time, and an abnormal state information mark is output; C6. Compare the working current of the tested electrical equipment with the rated working current of the electrical equipment. ,in is the current working current, is the rated working current of the electrical equipment, then it is judged that the electrical equipment is in an overload working state at this time, and an information mark of a fault state is output; C7. Compare the instantaneous current of the detected electrical equipment with the set instantaneous current threshold. ,in is the instantaneous current of the electrical equipment, is the rated working current of the electrical equipment, 10 If the instantaneous current threshold is set, it is judged that the electrical equipment is in a short-circuit state at this time, and an information mark of the fault state is output; Step D: the instruction generation module generates corresponding control instructions according to the corresponding information mark, and transmits the control instructions to the remote intervention module; The step D comprises: D1. When any detection output indicates a fault status in the same detection cycle, a control instruction for immediate power off is generated and transmitted to the remote intervention module synchronously with the characteristic fingerprint of the electrical equipment; D2. When any detection output indicates an abnormal state within the same detection cycle, a control instruction for delayed power off is generated and transmitted to the remote intervention module synchronously with the characteristic fingerprint of the electrical equipment.

[0035] The step E: the remote intervention module takes corresponding power-off intervention measures according to the control instruction; E1. When the remote intervention module receives a control instruction to immediately cut off the power supply within any detection cycle, it matches the corresponding electrical equipment according to the characteristic fingerprint of the synchronously transmitted electrical equipment, performs a power-off intervention on the electrical equipment, and immediately cuts off the power supply of the electrical equipment; E2. When the remote intervention module receives a delayed power-off control instruction of the same feature fingerprint within two consecutive detection cycles, it matches the corresponding electrical equipment according to the feature fingerprint of the synchronously transmitted electrical equipment, performs power-off intervention on the electrical equipment, and immediately cuts off the power supply to the electrical equipment.

[0036] Optionally, the detection cycle can be adjusted and set according to the type and working condition of the electrical equipment to further adapt to the actual working condition of the electrical equipment.

[0037] Specifically, when a delayed power-off control instruction of a characteristic fingerprint of the same electrical device is received within two consecutive detection cycles, the corresponding electrical device is matched according to the characteristic fingerprint of the synchronously transmitted electrical device, and a power-off intervention is performed on the electrical device to immediately cut off the power supply of the electrical device.

[0038] Step F: The data analysis module sends a notification message to relevant managers or users, indicating the power outage situation and cause.

[0039] The electrical safety monitoring platform and remote power-off intervention method of the present invention provide real-time monitoring and efficient identification: through high-frequency real-time data sampling, abnormal equipment conditions can be identified in time, shortening the time for fault discovery and processing; intelligent early warning mechanism: transcending the limitations of traditional technologies, effectively reducing the possibility of false alarms through multi-dimensional alarm standards, and improving the sensitivity and accuracy of monitoring; safe and reliable remote control: combining user authentication and authority management of the remote intervention module to ensure that it is not affected by attacks and misoperations, greatly enhancing the security of the system; user-friendly visual interface: providing real-time electrical parameter display, historical data query and manual operation functions, improving user experience and convenience of operation The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. An electrical safety monitoring platform, It is characterized in that include: A high-frequency sampling module is used to collect current and voltage data of different electrical devices in real time within a detection period at a frequency of 12,000 times per second, and to generate current data columns and voltage data columns of the electrical devices based on the collected data; A data analysis module processes the current data column and the voltage data column generated by the high-frequency sampling module, generates a characteristic fingerprint of the corresponding electrical equipment according to the data processed once, performs secondary processing calculation on the data processed once, binds the secondary processed data with the characteristic fingerprint of the corresponding electrical equipment, compares the secondary processed data with the preset alarm standard, thereby realizing real-time monitoring of the operating status of the electrical equipment, and generates different types of alarm information and information marks when abnormalities are detected in the electrical equipment, and outputs the characteristic fingerprint of the corresponding electrical equipment and the generated information mark synchronously; An instruction generation module is used to generate different control instructions according to different information labels, and synchronously transmit the generated control instructions with the characteristic fingerprint of the corresponding electrical equipment; The remote intervention module is used to receive the control instructions issued by the instruction production module, match the corresponding electrical equipment according to the characteristic fingerprints of the synchronous transmission, and perform remote power-off operations on the corresponding electrical equipment according to different control instructions.

2. An electrical safety monitoring platform according to claim 1, It is characterized in that The preset alarm standards include: total harmonic distortion rate, absolute value of z-score, voltage fluctuation rate, frequency deviation, operating current and instantaneous current.

3. An electrical safety monitoring platform according to claim 1, It is characterized in that The remote intervention module is also provided with a wireless communication control unit, which is configured to remotely control the state of the electrical equipment and is equipped with user authentication and authority management functions to prevent unauthorized manipulation.

4. An electrical safety monitoring platform according to claim 1, It is characterized in that Also includes: A visualization interface module, the visualization interface module is communicatively connected with the instruction production module; the visualization interface module includes an intelligent terminal, through which the user can view the real-time data, fault history records and alarm information of the data analysis module, and can manually control the start and stop of the equipment and set the alarm standard.

5. A remote power-off intervention method based on the electrical safety monitoring platform according to any one of claims 1 to 4, It is characterized in that The following steps are involved: Step A: The high-frequency sampling module samples the current and voltage data of the electrical equipment in real time during the detection period, stores the timestamp i of each sampling, and generates corresponding current data columns and voltage data columns; Step B: The data analysis module performs initial processing and analysis on the data collected by the high-frequency sampling module, and generates a characteristic fingerprint of the device through the processed data; Step C: The data analysis module performs secondary processing and analysis on the data processed once, binds the secondary processed data with the characteristic fingerprint of the electrical equipment, compares the secondary processed data with the set alarm standard, outputs the corresponding information mark according to the comparison result, and records the fault details. At the same time, the characteristic fingerprint of the electrical equipment and the information mark are output synchronously; Step D: the instruction generation module generates corresponding control instructions according to the corresponding information mark, and synchronously transmits the generated control instructions and the characteristic fingerprint of the electrical equipment to the remote intervention module; Step E: After the remote intervention module matches the corresponding electrical equipment according to the characteristic fingerprint of the synchronous transmission, it takes corresponding power-off intervention measures for the corresponding electrical equipment according to the control instruction; Step F: The data analysis module sends a notification message to relevant managers or users, indicating the power outage situation and cause.

6. The remote power-off intervention method according to claim 5, It is characterized in that The step B comprises: B1. Calculate the mean value of the current data of the electrical equipment. , where N is the total number of current samples in the current data column, is the current sample of each sampling time stamp in the current data column; B2. Calculate the standard deviation of the current data of the electrical equipment. ; B3. Calculate the skewness of the current data of the electrical equipment. ; B4. Calculate the peak value of the current data of the electrical equipment. ; B5. Generate characteristic fingerprints of electrical equipment through calculated values , in order to facilitate the screening of electrical equipment.

7. The remote power-off intervention method according to claim 5, It is characterized in that The step C comprises: C1. Calculate the absolute value of z-score. ,in is the current value of the detection timestamp within the detection cycle, 1 k N; when In the case of , the data point is close to the mean value, it is judged that the electrical equipment is in normal working state, and the information mark of normal working is output; when In the case of abnormal working state, the electrical equipment is judged to be in abnormal working state and the information mark of potential risk is output; when When |z|≥3, the electrical equipment is judged to be in an abnormal working state and an information mark of risk is output; when |z|≥3, the electrical equipment is judged to be in a faulty working state and an information mark of fault state is output; C2. Calculate the total harmonic distortion rate of the electrical equipment by measuring the current value. ,in is the fundamental effective value current, is the effective value current of each harmonic; when In the case of a fault, it is judged that the harmonic components in the current have a serious impact and an information mark of the fault status is output; C3. Calculate the total voltage harmonic distortion rate of the electrical equipment by measuring the voltage value. ,in is the fundamental effective value voltage, is the effective value voltage of each harmonic; when In the case of a fault, it is determined that the harmonic components in the voltage affect the normal operation of the electrical equipment and outputs information indicating the fault status; C4. Compare the working voltage of the detected electrical equipment with the set working voltage threshold. ,in is the current operating voltage, is the rated working voltage of the electrical equipment, If the voltage fluctuation exceeds the alarm threshold, the electrical equipment is judged to be in an abnormal working state, and an abnormal state information mark is output; C5. Compare the working frequency of the tested electrical equipment with the rated working frequency of the electrical equipment. ,in is the current operating frequency, is the rated operating frequency of the electrical equipment, it is determined that the operating frequency deviation exceeds the alarm threshold, it is determined that the electrical equipment is in an abnormal operating state at this time, and an abnormal state information mark is output; C6. Compare the working current of the tested electrical equipment with the rated working current of the electrical equipment. ,in is the current working current, is the rated working current of the electrical equipment, then it is judged that the electrical equipment is in an overload working state at this time, and an information mark of a fault state is output; C7. Compare the instantaneous current of the detected electrical equipment with the set instantaneous current threshold. ,in is the instantaneous current of the electrical equipment, is the rated working current of the electrical equipment, 10 If the instantaneous current threshold is set, it is judged that the electrical equipment is in a short-circuit state at this time, and an information mark of the fault state is output.

8. The remote power-off intervention method according to claim 5, It is characterized in that The step D comprises: D1. When any detection output indicates a fault status in the same detection cycle, a control instruction for immediate power off is generated and transmitted to the remote intervention module synchronously with the characteristic fingerprint of the electrical equipment; D2. When any detection output indicates an abnormal state within the same detection cycle, a control instruction for delayed power off is generated and transmitted to the remote intervention module synchronously with the characteristic fingerprint of the electrical equipment.

9. The remote power-off intervention method according to claim 5, It is characterized in that The step E comprises: E1. When the remote intervention module receives a control instruction to immediately cut off the power supply within any detection cycle, it matches the corresponding electrical equipment according to the characteristic fingerprint of the synchronously transmitted electrical equipment, performs a power-off intervention on the electrical equipment, and immediately cuts off the power supply to the electrical equipment; E2. When the remote intervention module receives a delayed power-off control instruction of the same feature fingerprint within two consecutive detection cycles, it matches the corresponding electrical equipment according to the feature fingerprint of the synchronously transmitted electrical equipment, performs power-off intervention on the electrical equipment, and immediately cuts off the power supply to the electrical equipment.

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