Power monitoring system based on credibility

By integrating a trusted platform for encrypted transmission and authentication of power monitoring data, the problem of insufficient trust in power monitoring systems is solved, achieving security protection of power equipment and reliability of data processing, and is applicable to power system monitoring of different scales.

CN120934174APending Publication Date: 2025-11-11CHINA SOUTHERN POWER GRID COMPANY
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Patent Information

Application Number
CN202510931608.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-07
Publication Date
2025-11-11

AI Technical Summary

Technical Problem

In power monitoring systems, insufficient reliability of monitoring results in weak defense capabilities of power equipment against external attacks and unreliable internal data processing, affecting the safe operation of the power system.

Method used

By integrating a trusted platform, the system enables encrypted transmission, secure storage, and identity authentication of power monitoring data. It employs dual verification using device fingerprints and timestamped dynamic tokens, dynamically adjusts the key update frequency, integrates a trusted computing chip module for hardware support, and sets thresholds for power equipment and monitoring modules for real-time monitoring and early warning.

Benefits of technology

It enhances the defense capabilities of power equipment, improves the reliability of internal data processing, ensures the safe operation of the power system, and has efficient data processing capabilities and flexible scalability to meet the monitoring needs of power systems of different sizes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an electric power monitoring system based on credibility. The electric power monitoring system comprises terminal equipment and a credible platform, the trusted platform comprises an application function layer and an algorithm function layer; the application function layer comprises a platform integrity measurement unit, a platform identity unit and a data security protection unit; the platform integrity measurement unit is used for monitoring and verifying the component state of the terminal equipment; the platform identity unit is used for performing double verification on the identity of the terminal equipment by adopting an equipment fingerprint and a timestamp dynamic token so as to prevent a counterfeit terminal from accessing the power system; and the data security protection unit is used for encrypting data transmission and data storage of the terminal equipment. By integrating the trusted platform module, encrypted transmission, secure storage and identity authentication of power monitoring data are realized, the overall credibility of the monitoring system is ensured, the defense capability of the system to external attacks is enhanced, and the reliability of internal data processing is improved.
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Description

Technical Field

[0001] This invention relates to the field of power system technology, and in particular to a power monitoring system based on reliability. Background Technology

[0002] Electricity is an energy source that uses electrical energy as its power source. The power system is a power production and consumption system composed of power generation, transmission, transformation, distribution, and consumption. It converts primary energy from nature into electricity through mechanical energy devices, and then supplies the electricity to various users through transmission, transformation, and distribution. It is necessary to monitor the operating status of equipment in real time to ensure the stability of power production and consumption.

[0003] For example, if the reliability of monitoring cannot be guaranteed when monitoring power equipment, the equipment will be less able to defend itself against external attacks. Similarly, if the reliability of monitoring cannot be guaranteed when processing internal data, the operating status of the power equipment cannot be guaranteed. Therefore, the reliability of monitoring directly affects the safe operation of the power system. Summary of the Invention

[0004] This invention provides a power monitoring system based on trust level. By integrating a trusted platform, it enables encrypted transmission, secure storage, and identity authentication of power monitoring data, ensuring the trust level of the monitoring system, thereby enhancing the defense capabilities of power equipment against external attacks and improving the reliability of internal data processing, thus guaranteeing the safe operation of the power system.

[0005] To achieve the above objectives, embodiments of the present invention provide a power monitoring system based on trust level, comprising:

[0006] Terminal devices and trusted platforms;

[0007] The trusted platform includes an application function layer and an algorithm function layer;

[0008] The application function layer includes a platform integrity measurement unit, a platform identity unit, and a data security protection unit.

[0009] The platform integrity measurement unit is used to monitor and verify the component status of the terminal device to ensure that the integrity of the terminal device from startup to operation has not been tampered with.

[0010] The platform identity unit is used to perform dual verification of the identity of the terminal device using device fingerprint and timestamp dynamic token to prevent counterfeit terminals from accessing the power system.

[0011] The data security protection unit is used to encrypt the data transmission and data storage of the terminal device.

[0012] The algorithm functional layer includes a basic algorithm engine unit and a random number generator unit;

[0013] The basic algorithm engine unit is used to provide encryption algorithms for the terminal device;

[0014] The random number generator unit is used to dynamically adjust the key update frequency according to the communication load during data transmission.

[0015] As an improvement to the above solution, the trusted platform further includes:

[0016] The module includes a trusted computing chip module, a download module, a device information receiving module, a trusted computing mode setting module, a service module, and a security application module.

[0017] The trusted computing chip module, as the chip of the trusted platform, is used to provide hardware infrastructure support for the operation of the trusted platform;

[0018] The download module is used to download content data from the trusted platform;

[0019] The device information receiving module is used to receive data from the terminal device;

[0020] The trusted computing mode setting module is used to set the trusted computing mode of the trusted platform;

[0021] The service module is used to provide services to the terminal device through the trusted platform;

[0022] The security application module is used to provide security protection for the terminal device.

[0023] As an improvement to the above solution, the terminal device includes a device information input module, a setting unit, a monitoring unit, a processing unit, and an early warning unit, comprising:

[0024] The equipment information input module is used to input the basic information of the power equipment;

[0025] The setting unit is used to set the information threshold of the power equipment;

[0026] The monitoring unit is used to monitor the power equipment;

[0027] The processing unit is used to process the power equipment according to the monitored content;

[0028] The warning unit is used to issue corresponding warnings based on the content being processed.

[0029] As an improvement to the above solution, the setting unit includes a charging threshold setting module, a meter threshold setting module, a battery threshold setting module, an inverter threshold setting module, a switching duration setting module, and a load threshold setting module:

[0030] The charging threshold setting module is used to set thresholds for the charging data of the power equipment;

[0031] The meter threshold setting module is used to set the meter threshold of the power equipment;

[0032] The battery threshold setting module is used to set the battery status threshold of the power equipment;

[0033] The inverter threshold setting module is used to set thresholds for inverter data used in power equipment.

[0034] The switching duration setting module is used to set the switching duration of the power equipment;

[0035] The load threshold setting module is used to set the load threshold of the power equipment.

[0036] As an improvement to the above solution, the monitoring unit includes a charging monitoring module, a battery monitoring module, a switch monitoring module, an electricity meter monitoring module, an inverter monitoring module, and a load monitoring module.

[0037] The charging monitoring module is used to monitor the charging status of the power equipment;

[0038] The battery monitoring module is used to monitor the working status of the battery of the power equipment.

[0039] The switch monitoring module is used to monitor the switching status of the power equipment;

[0040] The electricity meter monitoring module is used to monitor the status of the electricity meter of the power equipment;

[0041] The inverter monitoring module is used to monitor the inverter status of the power equipment.

[0042] The load monitoring module is used to monitor the load status of the power equipment.

[0043] As an improvement to the above solution, the processing unit includes a data collection module, a calculation module, a judgment module, a warning level classification module, a location module, a responsibility division module, a processing planning module, and a distribution module.

[0044] The data aggregation module is used to aggregate the data monitored by the monitoring unit;

[0045] The computing module is used to perform calculations based on the collected data.

[0046] The judgment module is used to judge the status of the power equipment based on the calculation result;

[0047] The warning level classification module is used to classify the warning of power equipment status according to the content of the judgment;

[0048] The positioning module is used to locate the power equipment that requires early warning;

[0049] The responsibility allocation module is used to allocate corresponding personnel responsibilities for power equipment that requires early warning;

[0050] The processing planning module is used to plan the processing of power equipment that requires early warning.

[0051] The distribution module is used to send content according to the plan.

[0052] As an improvement to the above solution, the step of collecting the data monitored by the monitoring unit includes:

[0053] The raw data transmitted by the monitoring unit is filtered to remove jump values ​​and duplicate values ​​from the raw data;

[0054] By employing the sliding window interpolation method, missing data caused by communication interruptions is intelligently filled in from the data after rejection, resulting in the aggregated data content.

[0055] As an improvement to the above solution, the division of responsibilities among personnel for power equipment requiring early warning includes:

[0056] Determine the corresponding level of responsibility based on the severity of the power equipment faults requiring early warning;

[0057] The responsibility hierarchy includes:

[0058] Level 1 Warning: Responsibility is assigned to the equipment maintenance personnel and the on-duty supervisor, and a response is required within 15 minutes;

[0059] Level 2 warning: Responsibility is assigned to the equipment maintenance team, and the issue must be addressed within 4 hours;

[0060] Level 3 warning: Responsibility is assigned to routine inspection duties, and verification will be completed within the next inspection cycle.

[0061] As an improvement to the above solution, the early warning unit includes a communication database, a data compression module, a forward and reverse isolation module, and a data parsing module;

[0062] The data compression module is used to compress the content that needs to be warned.

[0063] The data parsing module is used to parse the compressed warning content.

[0064] Compared with existing technologies, this invention discloses a power monitoring system based on trust level, including terminal devices and a trusted platform. The trusted platform includes an application function layer and an algorithm function layer. The application function layer includes a platform integrity measurement unit, a platform identity unit, and a data security protection unit. The platform integrity measurement unit is used to monitor and verify the component status of the terminal device to ensure that the integrity of the terminal device from startup to operation is not tampered with. The platform identity unit is used to perform dual verification of the terminal device's identity using device fingerprints and timestamp dynamic tokens to prevent counterfeit terminals from accessing the power system. The data security protection unit is used to encrypt the data transmission and data storage of the terminal device. The algorithm function layer includes a basic algorithm engine unit and a random number generator unit. The basic algorithm engine unit is used to provide encryption algorithms for the terminal device. The random number generator unit is used to dynamically adjust the key update frequency according to the communication load during data transmission. It can integrate a trusted platform module, realizing encrypted transmission, secure storage and identity authentication of power monitoring data, ensuring the overall trustworthiness of the monitoring system, enhancing the system's defense against external attacks, improving the reliability of internal data processing, and providing strong technical support for the stable operation of the power industry. At the same time, the terminal has efficient data processing capabilities and flexible scalability, which can meet the monitoring needs of power systems of different sizes. Attached Figure Description

[0065] Figure 1 This is a schematic diagram of a power monitoring system based on trust level provided in an embodiment of the present invention;

[0066] Figure 2 This is a schematic diagram of the structure of a terminal device provided in an embodiment of the present invention;

[0067] Figure 3 This is a schematic diagram of the structure of a monitoring unit provided in an embodiment of the present invention;

[0068] Figure 4 This is a schematic diagram of the structure of a processing unit provided in an embodiment of the present invention. Detailed Implementation

[0069] 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.

[0070] It should be noted that the terms "comprising" and "specific" in this invention, and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0071] Please see Figure 1 , Figure 1 This is a schematic diagram of a trust-based power monitoring system provided in an embodiment of the present invention. The trust-based power monitoring system includes:

[0072] Terminal devices and trusted platforms;

[0073] The trusted platform includes an application function layer and an algorithm function layer;

[0074] The application function layer includes a platform integrity measurement unit, a platform identity unit, and a data security protection unit.

[0075] The platform integrity measurement unit is used to monitor and verify the component status of the terminal device to ensure that the integrity of the terminal device from startup to operation has not been tampered with.

[0076] The platform identity unit is used to perform dual verification of the identity of the terminal device using device fingerprint and timestamp dynamic token to prevent counterfeit terminals from accessing the power system.

[0077] The data security protection unit is used to encrypt the data transmission and data storage of the terminal device.

[0078] The algorithm functional layer includes a basic algorithm engine unit and a random number generator unit;

[0079] The basic algorithm engine unit is used to provide encryption algorithms for the terminal device;

[0080] The random number generator unit is used to dynamically adjust the key update frequency according to the communication load during data transmission.

[0081] For example, the trusted platform includes an application function layer and an algorithm function layer. The application function layer includes a platform integrity measurement unit, a platform identity unit, and a data security protection unit. The algorithm function layer includes a basic algorithm engine unit and a random number generator unit. The application function layer is used to provide security protection for the identity, overall platform, and data of the terminal device. The algorithm function layer is used to provide algorithm support for the terminal device. The trusted platform also includes a trusted computing chip module. The output and input of the trusted computing chip module are electrically connected to the output and input of the download module. The output of the download module is electrically connected to the input of the device information receiving module. The system has a trusted computing mode setting module with an output and input terminal connected to it. The output terminal of the trusted computing chip module is electrically connected to the input terminal of the service module. The output terminal of the service module is electrically connected to the input terminal of the security application module. The trusted computing chip module is the chip used by the trusted platform. The download module downloads content data based on the trusted platform. The device information receiving module is used to receive information from power equipment. The trusted computing mode setting module is used to set the trusted computing mode of the trusted platform. The trusted computing mode is modified based on the basic algorithm engine unit. The service module provides services to the terminal device based on the trusted platform. The security application module is used to provide security protection for the terminal device.

[0082] The application functionality layer includes a dynamic identity recognition system, specifically: adding dual verification of device fingerprint and timestamp dynamic token to prevent counterfeit terminals from accessing the network; and automatically adjusting terminal access permissions according to the operating status of power equipment, including granting permission to modify underlying parameters during maintenance and locking read-only permissions during normal operation.

[0083] The algorithm function layer includes using a lightweight encryption algorithm for the basic data of the device information entry module, and automatically switching to the national cryptographic SM4 algorithm for the real-time data of the monitoring unit to improve the balance between encryption efficiency and security. During data transmission, the random number generator unit dynamically adjusts the key update frequency according to the communication load, updating every 10 minutes under high load and every 30 minutes under low load to prevent the key from being brute-forced.

[0084] Furthermore, the trusted platform also includes:

[0085] The module includes a trusted computing chip module, a download module, a device information receiving module, a trusted computing mode setting module, a service module, and a security application module.

[0086] The trusted computing chip module, as the chip of the trusted platform, is used to provide hardware infrastructure support for the operation of the trusted platform;

[0087] The download module is used to download content data from the trusted platform;

[0088] The device information receiving module is used to receive data from the terminal device;

[0089] The trusted computing mode setting module is used to set the trusted computing mode of the trusted platform;

[0090] The service module is used to provide services to the terminal device through the trusted platform;

[0091] The security application module is used to provide security protection for the terminal device.

[0092] For example, the trusted platform further includes a trusted computing chip module, the output and input of which are electrically connected to the output and input of a download module, the output of which is electrically connected to the input of a device information receiving module, the output and input of which are electrically connected to the output and input of a trusted computing mode setting module, the output of which is electrically connected to the input of a service module, and the output of which is electrically connected to the input of a security application module.

[0093] The trusted computing chip module is the chip used by the trusted platform. The download module downloads content data based on the trusted platform. The device information receiving module is used to receive information from power equipment. The trusted computing mode setting module is used to set the trusted computing mode of the trusted platform. The trusted computing mode is modified based on the basic algorithm engine unit. The service module provides services to the terminal device based on the trusted platform. The security application module is used to provide security protection for the terminal device.

[0094] Specifically, the terminal device includes a device information input module, a setting unit, a monitoring unit, a processing unit, and an early warning unit, comprising:

[0095] The equipment information input module is used to input the basic information of the power equipment;

[0096] The setting unit is used to set the information threshold of the power equipment;

[0097] The monitoring unit is used to monitor the power equipment;

[0098] The processing unit is used to process the power equipment according to the monitored content;

[0099] The warning unit is used to issue corresponding warnings based on the content being processed.

[0100] For example, such as Figure 2 As shown, Figure 2This is a schematic diagram of the structure of a terminal device provided in an embodiment of the present invention. The input end of the terminal device is electrically connected to a trusted platform. The terminal device includes a device information input module, a monitoring unit, and a processing unit. The output end of the device information input module is electrically connected to the input end of a setting unit. The output end of the setting unit is electrically connected to an early warning unit.

[0101] The device information input module is used to input basic information of the power equipment; the setting unit is used to set information thresholds for the equipment; the monitoring unit is used to monitor the power equipment; the processing unit processes the power equipment based on the content monitored by the monitoring unit; the early warning unit performs corresponding early warning processing based on the content processed by the processing unit; and the trusted platform is used for security protection of the terminal equipment. When configuring thresholds in the setting unit, the device information input module automatically retrieves historical operating data of similar equipment, compares and analyzes the data, and provides suggestions on the rationality of the thresholds.

[0102] More specifically, the setting unit includes a charging threshold setting module, a meter threshold setting module, a battery threshold setting module, an inverter threshold setting module, a switching duration setting module, and a load threshold setting module.

[0103] The charging threshold setting module is used to set thresholds for the charging data of the power equipment;

[0104] The meter threshold setting module is used to set the meter threshold of the power equipment;

[0105] The battery threshold setting module is used to set the battery status threshold of the power equipment;

[0106] The inverter threshold setting module is used to set thresholds for inverter data used in power equipment.

[0107] The switching duration setting module is used to set the switching duration of the power equipment;

[0108] The load threshold setting module is used to set the load threshold of the power equipment.

[0109] For example, the charging threshold setting module is used to set thresholds for the charging data of the power equipment; the meter threshold setting module is used to set the meter thresholds for the power equipment; the battery threshold setting module is used to set the battery status thresholds for the power equipment; the inverter threshold setting module is used to set thresholds for the inverter data used by the power equipment; the switching duration setting module is used to set the switching duration for the power equipment; and the load threshold setting module is used to set the load thresholds for the power equipment.

[0110] The embodiments of the present invention, through the setting unit, can set thresholds for the basic information of power equipment, which facilitates the improvement of the efficiency and accuracy of power equipment monitoring, and can directly determine the operating status of power equipment based on the set thresholds.

[0111] More specifically, the monitoring unit includes a charging monitoring module, a battery monitoring module, a switch monitoring module, an electricity meter monitoring module, an inverter monitoring module, and a load monitoring module;

[0112] The charging monitoring module is used to monitor the charging status of the power equipment;

[0113] The battery monitoring module is used to monitor the working status of the battery of the power equipment.

[0114] The switch monitoring module is used to monitor the switching status of the power equipment;

[0115] The electricity meter monitoring module is used to monitor the status of the electricity meter of the power equipment;

[0116] The inverter monitoring module is used to monitor the inverter status of the power equipment.

[0117] The load monitoring module is used to monitor the load status of the power equipment.

[0118] For example, such as Figure 3 As shown, Figure 3 This is a schematic diagram of the structure of a monitoring unit provided in an embodiment of the present invention. The monitoring unit includes a charging monitoring module, a battery monitoring module, an electricity meter monitoring module, an inverter monitoring module, and a load monitoring module. The output end of the monitoring unit is connected to the input end of the processing unit through a wireless transmission module.

[0119] The charging monitoring module is used to monitor the charging status of the power equipment; the battery monitoring module is used to monitor the working status of the battery of the power equipment; the switch monitoring module is used to monitor the switch status of the power equipment; the meter monitoring module is used to monitor the meter status of the power equipment; the inverter monitoring module is used to monitor the inverter status of the power equipment; and the load monitoring module is used to monitor the load status of the power equipment.

[0120] Based on historical monitoring data of the power equipment, the monitoring unit automatically generates a trend chart of equipment operation for the next 24 hours to provide early warning of potential anomalies. It also automatically identifies the operating conditions of the equipment by analyzing the switching duration and load change data of the power equipment. When the monitoring unit detects that the operating data of the power equipment is close to the threshold three times in a row, the automatic setting unit will temporarily increase the threshold by 5% and continue to monitor to avoid frequent warnings from interfering with the operation and maintenance personnel. If the data continues to exceed the preset number of times, the original threshold will be restored and the warning will be upgraded to a level two warning.

[0121] More specifically, the processing unit includes a data collection module, a calculation module, a judgment module, a warning level classification module, a location module, a responsibility division module, a processing planning module, and a distribution module;

[0122] The data aggregation module is used to aggregate the data monitored by the monitoring unit;

[0123] The computing module is used to perform calculations based on the collected data.

[0124] The judgment module is used to judge the status of the power equipment based on the calculation result;

[0125] The warning level classification module is used to classify the warning of power equipment status according to the content of the judgment;

[0126] The positioning module is used to locate the power equipment that requires early warning;

[0127] The responsibility allocation module is used to allocate corresponding personnel responsibilities for power equipment that requires early warning;

[0128] The processing planning module is used to plan the processing of power equipment that requires early warning.

[0129] The distribution module is used to send content according to the plan.

[0130] For example, such as Figure 4 As shown, Figure 4 This is a schematic diagram of the structure of a processing unit provided in an embodiment of the present invention. The processing unit includes a data collection module, the output of which is electrically connected to the input of a calculation module, the output of which is electrically connected to the input of a judgment module, the output of which is electrically connected to the input of a warning level classification module, the output of which is electrically connected to the input of a location module and a responsibility division module, the output of which is electrically connected to the input of a processing planning module, and the output of which is electrically connected to the input of a distribution module.

[0131] The data aggregation module is used to aggregate the data monitored by the monitoring unit. The calculation module performs calculations based on the aggregated data. The judgment module judges the status of the power equipment based on the results of the calculation module. The early warning level classification module classifies the power equipment status early warning based on the judgment module's judgment. The positioning module locates the power equipment that needs early warning. The responsibility allocation module assigns responsibilities to relevant personnel based on the power equipment that needs early warning. The processing planning module plans subsequent processing based on the power equipment that needs early warning. The distribution module sends the data based on the content planned by the processing planning module.

[0132] More specifically, the collection of data monitored by the monitoring unit includes:

[0133] The raw data transmitted by the monitoring unit is filtered to remove jump values ​​and duplicate values ​​from the raw data;

[0134] By employing the sliding window interpolation method, missing data caused by communication interruptions is intelligently filled in from the data after rejection, resulting in the aggregated data content.

[0135] For example, the raw data transmitted by the monitoring unit is automatically filtered to remove jump values ​​and duplicate values ​​to improve data reliability; a sliding window interpolation method is used to intelligently complete missing data caused by communication interruption to avoid misjudgment.

[0136] More specifically, the division of responsibilities among personnel for electrical equipment requiring early warning includes:

[0137] Determine the corresponding level of responsibility based on the severity of the power equipment faults requiring early warning;

[0138] The responsibility hierarchy includes:

[0139] Level 1 Warning: Responsibility is assigned to the equipment maintenance personnel and the on-duty supervisor, and a response is required within 15 minutes;

[0140] Level 2 warning: Responsibility is assigned to the equipment maintenance team, and the issue must be addressed within 4 hours;

[0141] Level 3 warning: Responsibility is assigned to routine inspection duties, and verification will be completed within the next inspection cycle.

[0142] For example, multi-level responsibility determination: Based on the severity of the fault, the responsibility level is automatically matched, specifically including: Level 1 warning: directly located to the person responsible for equipment maintenance and the person on duty, requiring a response within 15 minutes; Level 2 warning: the responsibility is assigned to the equipment operation and maintenance team, requiring handling within 4 hours; Level 3 warning: belongs to the daily inspection responsibility, and verification must be completed within the next inspection cycle; Cross-departmental collaborative work order: for faults involving multi-professional collaboration, the responsibility assignment module automatically generates a cross-departmental collaborative work order, clarifying the processing time limit and handover node for each link.

[0143] Based on a trusted platform, this invention monitors power equipment and performs subsequent processing based on the monitored content. It can also locate faulty power equipment and assign responsibility, enabling better subsequent maintenance and accountability.

[0144] More specifically, the early warning unit includes a communication database, a data compression module, a forward and reverse isolation module, and a data parsing module;

[0145] The data compression module is used to compress the content that needs to be warned.

[0146] The data parsing module is used to parse the compressed warning content.

[0147] For example, the early warning unit includes a communication database, the output of which is electrically connected to the input of a data compression module, the output of which is electrically connected to the input of a forward and reverse isolation module, and the output of which is electrically connected to the input of a data parsing module.

[0148] The communication database includes an information database and a communication database for power equipment. The data compression module is used to compress the content that needs to be warned, and the data parsing module is used to parse the compressed warning content to improve the sending speed. Each step of the processing unit's operation triggers the application function layer of the trusted platform to record the operator, time, and parameter changes, forming an unalterable audit log that supports subsequent traceability.

[0149] This invention discloses a power monitoring system based on trust level, including terminal devices and a trusted platform. The trusted platform includes an application function layer and an algorithm function layer. The application function layer includes a platform integrity measurement unit, a platform identity unit, and a data security protection unit. The platform integrity measurement unit monitors and verifies the component status of the terminal device to ensure that the integrity of the terminal device is not tampered with during startup and operation. The platform identity unit uses device fingerprints and timestamp dynamic tokens to perform dual verification of the terminal device's identity to prevent counterfeit terminals from accessing the power system. The data security protection unit encrypts the data transmission and data storage of the terminal device. The algorithm function layer includes a basic algorithm engine unit and a random number generator unit. The basic algorithm engine unit provides encryption algorithms for the terminal device. The random number generator unit dynamically adjusts the key update frequency according to the communication load during data transmission. It can integrate a trusted platform module, realizing encrypted transmission, secure storage and identity authentication of power monitoring data, ensuring the overall trustworthiness of the monitoring system, enhancing the system's defense against external attacks, improving the reliability of internal data processing, and providing strong technical support for the stable operation of the power industry. At the same time, the terminal has efficient data processing capabilities and flexible scalability, which can meet the monitoring needs of power systems of different sizes.

[0150] The above description represents the preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of the present invention, and these improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A power monitoring system based on trust level, characterized in that, include: Terminal devices and trusted platforms; The trusted platform includes an application function layer and an algorithm function layer; The application function layer includes a platform integrity measurement unit, a platform identity unit, and a data security protection unit. The platform integrity measurement unit is used to monitor and verify the component status of the terminal device to ensure that the integrity of the terminal device from startup to operation has not been tampered with. The platform identity unit is used to perform dual verification of the identity of the terminal device using device fingerprint and timestamp dynamic token to prevent counterfeit terminals from accessing the power system. The data security protection unit is used to encrypt the data transmission and data storage of the terminal device. The algorithm functional layer includes a basic algorithm engine unit and a random number generator unit; The basic algorithm engine unit is used to provide encryption algorithms for the terminal device; The random number generator unit is used to dynamically adjust the key update frequency according to the communication load during data transmission.

2. The power monitoring system based on trust level as described in claim 1, characterized in that, The trusted platform also includes: The module includes a trusted computing chip module, a download module, a device information receiving module, a trusted computing mode setting module, a service module, and a security application module. The trusted computing chip module, as the chip of the trusted platform, is used to provide hardware infrastructure support for the operation of the trusted platform; The download module is used to download content data from the trusted platform; The device information receiving module is used to receive data from the terminal device; The trusted computing mode setting module is used to set the trusted computing mode of the trusted platform; The service module is used to provide services to the terminal device through the trusted platform; The security application module is used to provide security protection for the terminal device.

3. The power monitoring system based on trust level as described in claim 1, characterized in that, The terminal device includes a device information input module, a setting unit, a monitoring unit, a processing unit, and an early warning unit, including: The equipment information input module is used to input the basic information of the power equipment; The setting unit is used to set the information threshold of the power equipment; The monitoring unit is used to monitor the power equipment; The processing unit is used to process the power equipment according to the monitored content; The warning unit is used to issue corresponding warnings based on the content being processed.

4. The power monitoring system based on trust level as described in claim 3, characterized in that, The setting unit includes a charging threshold setting module, an electricity meter threshold setting module, a battery threshold setting module, an inverter threshold setting module, a switching duration setting module, and a load threshold setting module. The charging threshold setting module is used to set thresholds for the charging data of the power equipment; The meter threshold setting module is used to set the meter threshold of the power equipment; The battery threshold setting module is used to set the battery status threshold of the power equipment; The inverter threshold setting module is used to set thresholds for inverter data used in power equipment. The switching duration setting module is used to set the switching duration of the power equipment; The load threshold setting module is used to set the load threshold of the power equipment.

5. The power monitoring system based on trust level as described in claim 3, characterized in that, The monitoring unit includes a charging monitoring module, a battery monitoring module, a switch monitoring module, an electricity meter monitoring module, an inverter monitoring module, and a load monitoring module. The charging monitoring module is used to monitor the charging status of the power equipment; The battery monitoring module is used to monitor the working status of the battery of the power equipment. The switch monitoring module is used to monitor the switching status of the power equipment; The electricity meter monitoring module is used to monitor the status of the electricity meter of the power equipment; The inverter monitoring module is used to monitor the inverter status of the power equipment. The load monitoring module is used to monitor the load status of the power equipment.

6. The power monitoring system based on trust level as described in claim 3, characterized in that, The processing unit includes a data collection module, a calculation module, a judgment module, a warning level classification module, a location module, a responsibility division module, a processing planning module, and a distribution module. The data aggregation module is used to aggregate the data monitored by the monitoring unit; The computing module is used to perform calculations based on the collected data. The judgment module is used to judge the status of the power equipment based on the calculation result; The warning level classification module is used to classify the warning of power equipment status according to the content of the judgment; The positioning module is used to locate the power equipment that requires early warning; The responsibility allocation module is used to allocate corresponding personnel responsibilities for power equipment that requires early warning; The processing planning module is used to plan the processing of power equipment that requires early warning. The distribution module is used to send content according to the plan.

7. The power monitoring system based on trust level as described in claim 6, characterized in that, The step of collecting the data monitored by the monitoring unit includes: The raw data transmitted by the monitoring unit is filtered to remove jump values ​​and duplicate values ​​from the raw data; By employing the sliding window interpolation method, missing data caused by communication interruptions is intelligently filled in from the data after rejection, resulting in the aggregated data content.

8. The power monitoring system based on trust level as described in claim 6, characterized in that, The division of responsibilities among personnel for power equipment requiring early warning includes: Determine the corresponding level of responsibility based on the severity of the power equipment faults requiring early warning; The responsibility hierarchy includes: Level 1 Warning: Responsibility is assigned to the equipment maintenance personnel and the on-duty supervisor, and a response is required within 15 minutes; Level 2 warning: Responsibility is assigned to the equipment maintenance team, and the issue must be addressed within 4 hours; Level 3 warning: Responsibility is assigned to routine inspection duties, and verification will be completed within the next inspection cycle.

9. The power monitoring system based on trust level as described in claim 3, characterized in that, The early warning unit includes a communication database, a data compression module, a forward and reverse isolation module, and a data parsing module; The data compression module is used to compress the content that needs to be warned. The data parsing module is used to parse the compressed warning content.