Large-current AC contactor thermal state distribution time trend analysis system

Abstract

The invention provides a high-current AC contactor thermal state distribution time trend analysis system, and relates to the technical field of power equipment monitoring. The thermal state distribution time trend analysis system of the large-current alternating current contactor comprises a temperature sensor module, a data acquisition module, a data analysis module, a display and alarm module and a communication module, the temperature sensor module is used for collecting temperature data of each part of the alternating current contactor in real time; the data acquisition module is used for receiving temperature data transmitted by the temperature sensor; the data analysis module is used for analyzing the collected temperature data and calculating the temperature change rate and the thermal state distribution condition of each part of the alternating current contactor; the display and alarm module is used for displaying an analysis result in a visual graph and digital form; and the communication module is used for realizing communication between the system and external equipment. Through data analysis and trend prediction, a powerful guarantee is provided for safe and stable operation of a power system.

Description

Technical Field

[0001] The invention relates to the technical field of power equipment monitoring, in particular to a high-current AC contactor thermal distribution time trend analysis system. Background Art

[0002] With the improvement of industrial automation level, the stability of power system has been paid more and more attention. As an important component in power system, the working state of AC contactor is directly related to the safety and reliability of power system. Under long-term or high-load conditions, the internal temperature rise of AC contactor may cause failure or even safety accidents. Therefore, it is particularly important to monitor the thermal distribution of high-current AC contactor in real time and conduct trend analysis.

[0003] Since AC contactors generate a lot of heat during operation, if their thermal distribution cannot be monitored in time, the contactor temperature will be too high, which may cause burning or performance degradation. At present, there are some temperature monitoring solutions on the market, but they often fail to provide real-time and comprehensive thermal distribution information, lack analysis of time trends, and cannot provide effective support for maintenance. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a high-current AC contactor thermal distribution time trend analysis system, which solves the problems raised by the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: A high current AC contactor thermal distribution time trend analysis system, including a temperature sensor module, a data acquisition module, a data analysis module, a display and alarm module and a communication module;

[0008] The temperature sensor module is used to collect temperature data of various parts of the AC contactor in real time;

[0009] The data acquisition module is used to receive and store temperature data transmitted by the temperature sensor;

[0010] The data analysis module is used to analyze the collected temperature data and calculate the temperature change rate and thermal state distribution of each part of the AC contactor;

[0011] The display and alarm module is used to display the analysis results in intuitive graphical and digital forms, and to send out an alarm signal when the temperature of the AC contactor exceeds a set threshold value;

[0012] The communication module is used to realize the communication between the system and external equipment, so as to facilitate the user to remotely monitor the thermal distribution of the high-current AC contactor.

[0013] Preferably, the temperature sensor module includes multiple infrared temperature sensors and thermocouples, each of which is installed at different parts of the AC contactor, including contacts, coils, and iron cores, and is used to monitor the surface temperature of the AC contactor and the temperature of key internal components.

[0014] Preferably, the data analysis module includes a data receiving and processing unit, a temperature change rate calculation unit, a thermal state distribution analysis unit and a time trend analysis unit.

[0015] Preferably, the data receiving and processing unit pre-processes the temperature data from the data acquisition module, including data filtering and removing abnormal values, to ensure the accuracy and reliability of the data.

[0016] Preferably, the temperature change rate calculation unit calculates the temperature change rate of each part of the AC contactor by performing differential operation on temperature data at different time points.

[0017] Preferably, the thermal distribution analysis unit calculates the thermal distribution of various parts of the AC contactor based on the processed temperature data, and displays the temperature of different parts of the AC contactor in the form of a temperature field.

[0018] Preferably, the time trend analysis unit compares and analyzes the thermal distribution data at different time points to determine the changing trend of the thermal distribution over time, thereby providing a basis for predicting the thermal state changes of the contactor in the future.

[0019] Preferably, the display and alarm module includes a touch screen display and a sound alarm; the touch screen display can display real-time temperature data, temperature change rate, thermal distribution and time trend analysis results; the sound alarm emits a sound alarm when the AC contactor temperature exceeds a preset threshold to ensure that the operator can notice the abnormal situation in time.

[0020] Preferably, the communication module supports multiple communication protocols, including but not limited to Ethernet, Wi-Fi, Bluetooth and 4G / 5G wireless communications.

[0021] (III) Beneficial effects

[0022] The present invention provides a high current AC contactor thermal distribution time trend analysis system, which has the following beneficial effects:

[0023] 1. Through real-time data acquisition of the temperature sensor module, the system can continuously monitor the temperature changes of the AC contactor to ensure the stable operation of the power system. The data analysis module can comprehensively process the temperature data, provide the temperature change rate and thermal distribution, and help users fully understand the thermal status of the contactor.

[0024] 2. The time trend analysis unit can predict future thermal changes, provide a scientific basis for maintenance and fault prevention, and display and alarm modules can intuitively display the analysis results in graphical and digital form, so that operators can quickly understand the thermal status of the AC contactor and effectively prevent safety accidents caused by excessive temperature.

[0025] In summary, the high-current AC contactor thermal distribution time trend analysis system of the present invention can not only monitor the temperature status of the AC contactor in real time, but also provide strong guarantee for the safe and stable operation of the power system through data analysis and trend prediction. At the same time, the remote monitoring and safety warning functions of the system greatly improve the maintenance efficiency and safety, and have significant technical advantages and application value. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the analysis system of the present invention;

[0027] Figure 2 It is a schematic diagram of the structure of the data analysis module of the present invention. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Embodiment 1:

[0030] like Figure 1 As shown, an embodiment of the present invention provides a high-current AC contactor thermal distribution time trend analysis system, including a temperature sensor module, a data acquisition module, a data analysis module, a display and alarm module, and a communication module.

[0031] The temperature sensor module is used to collect temperature data of various parts of the AC contactor in real time; through real-time data collection of the temperature sensor module, the system can continuously monitor the temperature changes of the AC contactor to ensure the stable operation of the power system.

[0032] The data acquisition module is used to receive and store the temperature data from the temperature sensor; the data acquisition module has the capabilities of high-speed sampling and large-capacity storage, and can meet the real-time monitoring requirements for the thermal distribution of high-current AC contactors.

[0033] The data analysis module is used to analyze the collected temperature data and calculate the temperature change rate and thermal distribution of each part of the AC contactor. The data analysis module can comprehensively process the temperature data, provide the temperature change rate and thermal distribution, and help users fully understand the thermal condition of the contactor.

[0034] The display and alarm module is used to display the analysis results in intuitive graphical and digital form, and to send out an alarm signal when the temperature of the AC contactor exceeds the set threshold. The display and alarm module intuitively displays the analysis results in graphical and digital form, making it easy for operators to quickly understand the thermal status of the AC contactor and effectively prevent safety accidents caused by excessive temperature.

[0035] The communication module is used to realize the communication between the system and external devices, so that users can remotely monitor the thermal distribution of high-current AC contactors. It realizes the communication between the system and external devices, such as host computers, mobile phones, etc., so that users can remotely monitor the thermal distribution of high-current AC contactors.

[0036] Embodiment 2:

[0037] like Figure 1 and Figure 2 As shown, an embodiment of the present invention provides a high-current AC contactor thermal distribution time trend analysis system, including a temperature sensor module, a data acquisition module, a data analysis module, a display and alarm module, and a communication module.

[0038] The temperature sensor module is used to collect temperature data of various parts of the AC contactor in real time; specifically, the temperature sensor module includes multiple infrared temperature sensors and thermocouples, each of which is installed in different parts of the AC contactor, including contacts, coils, and iron cores, and is used to monitor the surface temperature of the AC contactor and the temperature of key internal components.

[0039] As described above, through the real-time data collection of the temperature sensor module, the system can continuously monitor the temperature changes of the AC contactor to ensure the stable operation of the power system.

[0040] The data acquisition module is used to receive and store the temperature data from the temperature sensor; the data acquisition module has the capabilities of high-speed sampling and large-capacity storage, and can meet the real-time monitoring requirements for the thermal distribution of high-current AC contactors.

[0041] The data analysis module is used to analyze the collected temperature data and calculate the temperature change rate and thermal distribution of each part of the AC contactor; specifically, the data analysis module includes a data receiving and processing unit, a temperature change rate calculation unit, a thermal distribution analysis unit and a time trend analysis unit.

[0042] The data receiving and processing unit pre-processes the temperature data from the data acquisition module, including data filtering and removing abnormal values, to ensure the accuracy and reliability of the data.

[0043] The temperature change rate calculation unit calculates the temperature change rate of each part of the AC contactor by performing differential operation on the temperature data at different time points.

[0044] The thermal distribution analysis unit calculates the thermal distribution of each part of the AC contactor according to the processed temperature data, and displays the temperature of different parts of the AC contactor in the form of a temperature field.

[0045] The time trend analysis unit compares and analyzes the thermal distribution data at different time points, determines the changing trend of the thermal distribution over time, and provides a basis for predicting the thermal state change of the contactor in the future.

[0046] As mentioned above, the data analysis module can comprehensively process temperature data, provide temperature change rate and thermal distribution, and help users fully understand the thermal status of the contactor.

[0047] The display and alarm module is used to display the analysis results in intuitive graphical and digital forms, and to send out an alarm signal when the temperature of the AC contactor exceeds a set threshold. Specifically, the display and alarm module includes a touch screen display and a sound alarm. The touch screen display can display real-time temperature data, temperature change rate, thermal distribution and time trend analysis results. The sound alarm sends out a sound alarm when the temperature of the AC contactor exceeds a preset threshold to ensure that the operator can notice the abnormal situation in time.

[0048] As described above, the display and alarm module intuitively displays the analysis results in graphical and digital form, which makes it easy for operators to quickly understand the thermal status of the AC contactor and effectively prevent safety accidents caused by excessive temperature.

[0049] The communication module is used to realize the communication between the system and external devices, so that users can remotely monitor the thermal distribution of high-current AC contactors. The communication module supports multiple communication protocols, including but not limited to Ethernet, Wi-Fi, Bluetooth and 4G / 5G wireless communications, such as host computers, mobile phones, etc., so that users can remotely monitor the thermal distribution of high-current AC contactors.

[0050] Embodiment three:

[0051] On the basis of the second embodiment, the embodiment of the present invention further provides an optimization solution for the time trend analysis system of thermal state distribution of a large current AC contactor.

[0052] The system in the embodiment of the present invention further includes an adaptive control module, which can automatically adjust the working parameters of the AC contactor according to the thermal distribution and time trend analysis results provided by the analysis module to optimize its thermal performance. The adaptive control module includes a parameter setting unit, a control strategy generation unit and an execution unit.

[0053] The parameter setting unit allows the user to set the operating parameters of the AC contactor according to actual application requirements, such as current, voltage and operating frequency, etc. The setting of these parameters will directly affect the thermal distribution of the contactor.

[0054] The control strategy generation unit generates corresponding control strategies based on the temperature change rate and thermal state distribution provided by the data analysis module and the parameters set by the user. These strategies are designed to reduce thermal stress, extend the service life of the contactor, and ensure that it operates under optimal thermal conditions.

[0055] The execution unit is responsible for converting the generated control strategy into an actual control signal and sending it to the AC contactor through the communication module, thereby achieving real-time adjustment of the contactor's operating parameters. For example, if the analysis results show that the temperature of a certain part is too high, the control strategy generation unit may recommend reducing the operating current of that part to reduce the temperature.

[0056] In summary, through the introduction of the adaptive control module, the embodiment of the present invention can realize intelligent optimization of the working parameters of the AC contactor, thereby improving its thermal performance and overall reliability. In addition, the module can also predict potential thermal problems based on real-time monitoring data and historical trend analysis, and make preventive adjustments before the problem occurs, thereby further reducing the downtime caused by equipment failure.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high current AC contactor thermal distribution time trend analysis system, characterized by: It includes a temperature sensor module, a data acquisition module, a data analysis module, a display and alarm module, and a communication module; The temperature sensor module is used to collect temperature data of various parts of the AC contactor in real time; The data acquisition module is used to receive and store temperature data transmitted by the temperature sensor; The data analysis module is used to analyze the collected temperature data and calculate the temperature change rate and thermal state distribution of each part of the AC contactor; The display and alarm module is used to display the analysis results in intuitive graphical and digital forms, and to send out an alarm signal when the temperature of the AC contactor exceeds a set threshold value; The communication module is used to realize the communication between the system and external equipment, so as to facilitate the user to remotely monitor the thermal distribution of the high-current AC contactor.

2. A high current AC contactor thermal distribution time trend analysis system according to claim 1, characterized in that: The temperature sensor module includes multiple infrared temperature sensors and thermocouples, each of which is installed at different parts of the AC contactor, including contacts, coils, and iron cores, and is used to monitor the surface temperature of the AC contactor and the temperature of key internal components.

3. A high current AC contactor thermal distribution time trend analysis system according to claim 1, characterized in that: The data analysis module includes a data receiving and processing unit, a temperature change rate calculation unit, a thermal state distribution analysis unit and a time trend analysis unit.

4. A high current AC contactor thermal distribution time trend analysis system according to claim 3, characterized in that: The data receiving and processing unit pre-processes the temperature data from the data acquisition module, including data filtering and removing abnormal values, to ensure the accuracy and reliability of the data.

5. The high current AC contactor thermal distribution time trend analysis system according to claim 3, characterized in that: The temperature change rate calculation unit calculates the temperature change rate of each part of the AC contactor by performing differential operation on the temperature data at different time points.

6. A high current AC contactor thermal distribution time trend analysis system according to claim 3, characterized in that: The thermal distribution analysis unit calculates the thermal distribution of each part of the AC contactor according to the processed temperature data, and displays the temperature of different parts of the AC contactor in the form of a temperature field.

7. A high current AC contactor thermal distribution time trend analysis system according to claim 3, characterized in that: The time trend analysis unit compares and analyzes the thermal distribution data at different time points, determines the changing trend of the thermal distribution over time, and provides a basis for predicting the thermal state change of the contactor in the future.

8. The high current AC contactor thermal distribution time trend analysis system according to claim 1, characterized in that: The display and alarm module includes a touch screen display and a sound alarm; the touch screen display can display real-time temperature data, temperature change rate, thermal distribution and time trend analysis results; the sound alarm emits a sound alarm when the AC contactor temperature exceeds a preset threshold to ensure that the operator can notice the abnormal situation in time.

9. The high current AC contactor thermal distribution time trend analysis system according to claim 1, characterized in that: The communication module supports multiple communication protocols, including but not limited to Ethernet, Wi-Fi, Bluetooth and 4G / 5G wireless communications.

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