Power equipment fault early warning method and system

Through the cooperation of the monitoring host, coordinator node and power fault monitoring platform, the power equipment fault monitoring is carried out using label identification and temperature sensor modules to monitor power equipment faults, which solves the problem that traditional methods cannot accurately detect fault locations, and realizes real-time monitoring and fault warning of power equipment , improves the safety and stability of the power system.

CN119229612AInactive Publication Date: 2024-12-31JIANGSU GUOHUACHENJIAGANG POWER GENERATION CO LTD +1
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Patent Information

Application Number
CN202411406736.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2024-12-31
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Traditional power equipment monitoring methods cannot accurately detect the fault location and cannot monitor the operation of power equipment in real time, resulting in maintenance difficulties and shortening of equipment life.

Method used

Using the monitoring host, coordinator node and power fault monitoring platform, through the tag identification module, temperature sensor module and buzzer alarm, real-time monitoring of power quality of transmission lines and screening abnormal conditions, accurately locate the fault location, and Timely warning.

Benefits of technology

It improves the safety and stability of the power system, reduces the cost of fault repair, and realizes real-time monitoring of power equipment and accurate positioning of fault locations.

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Abstract

The invention relates to the technical field of power equipment, in particular to a power equipment fault early warning method and system.The power equipment fault early warning system comprises a monitoring host, a coordinator node and a power fault monitoring platform, and the monitoring host is connected with the coordinator node, a mobile terminal and a buzzer alarm; the power failure monitoring platform comprises a wireless communication module, a first microcontroller, a power system information base, a data integration processing module, a power equipment abnormity evaluation module, a power transmission line abnormity evaluation module, a power equipment end and a power transmission end. Through cooperation of the monitoring host, the coordinator node and the power fault monitoring platform, power quality conditions of power transmission lines can be monitored, abnormal power transmission lines are screened, accurate positioning of fault positions is realized through monitoring abnormal conditions of power equipment of the abnormal power transmission lines, and the purpose of monitoring the power equipment in real time can be realized. And the buzzer alarm is matched for use, so that the power equipment system can perform early warning in time.
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Description

Technical Field

[0001] The present invention relates to the technical field of electric power equipment, and in particular to a method and system for early warning of electric power equipment failure. Background Art

[0002] Power equipment is an electricity production and consumption system consisting of power generation, transmission, transformation, distribution and consumption. It converts primary energy from nature into electricity through power generation devices, and then supplies electricity to various users through transmission, transformation and distribution. It mainly includes two categories: power generation equipment and power supply equipment. Power generation equipment mainly includes power station boilers, steam turbines, gas turbines, water turbines, generators, induction motors, transformers, etc. Power supply equipment mainly includes transmission lines of various voltage levels, mutual inductors, contactors, etc.

[0003] Power equipment failure risk warning is to monitor and predict equipment failures in the power system in a timely manner to reduce power outage time, improve production efficiency, and ensure the safety of power grid operation. In traditional power equipment monitoring and maintenance, regular inspections and post-fault repairs are usually used;

[0004] Traditional detection methods have limitations and cannot accurately detect the fault location, and cannot accurately locate the fault location, which brings difficulties to maintenance; traditional detection methods cannot monitor the operation of power equipment in real time, and cannot monitor the temperature of power equipment online. When power equipment has defects (such as poor contact performance) or failures, the temperature of the defective parts or key parts will rise sharply due to the increase in heat. If the fault is not diagnosed and eliminated in time, the normal operating life of the equipment will be greatly shortened.

[0005] To this end, we propose a power equipment fault early warning method and system. Summary of the invention

[0006] The main purpose of the present invention is to provide a method and system for early warning of power equipment faults. Through the cooperation of a monitoring host, a coordinator node, and a power fault monitoring platform, the power quality of the transmission line can be monitored, and then abnormal transmission lines can be screened. By monitoring the abnormal conditions of the power equipment in the abnormal transmission line, the fault location can be accurately located, and the purpose of real-time monitoring of the power equipment can be achieved. With the use of a buzzer alarm, the power equipment system can provide timely early warning, which helps to improve the safety and stability of the power system, reduce the maintenance cost of power system faults, and can effectively solve the problems in the background technology.

[0007] To achieve the above object, the technical solution adopted by the present invention is:

[0008] A power equipment fault early warning system comprises a monitoring host, a coordinator node and a power fault monitoring platform, wherein the monitoring host is connected to the coordinator node, a mobile terminal and a buzzer alarm respectively, and the coordinator node is connected to the power fault monitoring platform;

[0009] The coordinator node includes a second microcontroller and a wireless receiving module;

[0010] The power fault monitoring platform includes a wireless communication module, a first microcontroller, a power system information library, a data integration processing module, a power equipment abnormality assessment module, a power transmission line abnormality assessment module, a power equipment terminal and a power transmission terminal;

[0011] The power equipment end includes a collector, a display circuit module, a key circuit module, a temperature sensor module and an audible and visual alarm module;

[0012] The mobile terminal comprises a tag identification module, a human-computer interaction module, an information processor, an information wireless transmission module, an information wireless reception processing module and a GPS positioning module.

[0013] By adopting the above technical scheme, the tag identification module is used to identify the tags on the power equipment, the human-computer interaction module is used to transmit the information exchange between the inspector and the information processor, a touch screen is installed on the outside of the mobile terminal, the information processor is used to process the information it receives and sends, the information wireless transmission module and the information wireless receiving processing module are used to wirelessly transmit and receive information, the mobile terminal adopts Android or IOS operating system, the mobile terminal has GPS positioning function, the monitoring host can remotely monitor the mobile terminal in real time and realize information synchronization, the mobile terminal can be used alone, and can effectively realize the collection of power equipment fault inspection information, further improving the practicality of the system.

[0014] Specifically, the tag identification module, the human-computer interaction module, the information wireless transmission module, the information wireless reception processing module and the GPS positioning module are all connected to the information processor.

[0015] Specifically, the tag recognition module includes a camera, an image recognition module and a storage module.

[0016] Specifically, the temperature sensor module includes a circuit board and a TS-18B20 digital temperature sensor.

[0017] Specifically, the second microcontroller is connected to the wireless receiving module.

[0018] Specifically, the coordinator node is connected to the monitoring host via RS-232 and transmits data to the monitoring host.

[0019] Specifically, the wireless communication module is connected to the power system information library through the first microcontroller, and the power system information library is connected to the data integration processing module.

[0020] Specifically, the data integration processing module is also connected to the power equipment abnormality assessment module and the transmission line abnormality assessment module respectively. The power equipment abnormality assessment module is connected to the power equipment end, and the transmission line abnormality assessment module is connected to the power transmission end.

[0021] By adopting the above technical solution, the power equipment end collects the temperature parameters and other parameters of each key part of each power equipment through the display circuit module, the key circuit module, the temperature sensor module and the sound and light alarm module. The collector processes the data collected by the display circuit module, the key circuit module, the temperature sensor module and the sound and light alarm module. The collected data is transmitted to the coordinator node via the wireless communication module. The conversion from wireless data to wired transmission data is completed on the coordinator node. The coordinator node is connected to the monitoring host through RS-232 to transmit the data to the monitoring host.

[0022] Specifically, the display circuit module, the key circuit module, the temperature sensor module and the sound and light alarm module are all connected to the collector.

[0023] An early warning method of an electric power equipment fault early warning system comprises the following steps:

[0024] Step 1: Analyze the abnormal conditions of the transmission lines, comprehensively calculate the abnormal evaluation index of each transmission line, and screen each abnormal transmission line;

[0025] Step 2: Analyze the abnormal conditions of each power equipment of each abnormal transmission line, and comprehensively calculate the abnormal evaluation index of each power equipment of each abnormal transmission line;

[0026] Step 3: Integrate the abnormal evaluation index of each power equipment of each abnormal transmission line, and locate and warn the power equipment of the abnormal transmission line according to the integrated processing result.

[0027] Specifically, the formula used to calculate the abnormality evaluation index of each transmission line is:

[0028]

[0029] The formula used to calculate the power quality evaluation index of each transmission line is:

[0030]

[0031] The formula used for the abnormal evaluation index of each power equipment of the abnormal transmission line is:

[0032]

[0033] In the formula, εrt represents the abnormal evaluation index of each power equipment in the abnormal operation and maintenance line, and They are respectively represented as the impact factors corresponding to the set vibration signal abnormality index and partial discharge abnormality index, The abnormal index of vibration signals of each power equipment indicating abnormal operation and maintenance lines, Indicates the partial discharge anomaly index of each power equipment in the abnormal operation and maintenance line.

[0034] Beneficial effects of the present invention:

[0035] The electric power equipment fault early warning method and system described in the present invention can monitor the power quality of the transmission line through the cooperation of the monitoring host, the coordinator node, and the power fault monitoring platform, and then screen the abnormal transmission line, and realize the accurate positioning of the fault position by monitoring the abnormal conditions of the electric power equipment of the abnormal transmission line, and can realize the purpose of real-time monitoring of the electric power equipment. With the use of the buzzer alarm, the electric power equipment system can give a timely early warning, which is helpful to improve the safety and stability of the electric power system and reduce the maintenance cost of the electric power system fault;

[0036] The present invention discloses a method and system for early warning of electric power equipment faults. The monitoring host can remotely monitor the mobile terminal in real time and realize information synchronization. The mobile terminal can be used alone to effectively realize the collection of electric power equipment fault inspection information, further improving the practicality of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0038] Figure 1 It is a structural block diagram of the present invention;

[0039] Figure 2 It is a structural block diagram of a coordinator node of the present invention;

[0040] Figure 3 This is a structural block diagram of the power fault monitoring platform of the present invention;

[0041] Figure 4 It is a structural block diagram of the power equipment end of the present invention;

[0042] Figure 5 It is a structural block diagram of a mobile terminal of the present invention;

[0043] In the figure: 1. Monitoring host; 101. Buzzer alarm; 2. Coordinator node; 201. Second microcontroller; 202. Wireless receiving module; 3. Power fault monitoring platform; 4. Wireless communication module; 5. First microcontroller; 6. Power system information library; 7. Data integration and processing module; 8. Power equipment abnormality assessment module; 9. Transmission line abnormality assessment module; 10. Power equipment end; 11. Power transmission end; 12. Collector; 13. Display circuit module; 14. Key circuit module; 15. Temperature sensor module; 16. Sound and light alarm module; 17. Mobile terminal; 1701. Tag identification module; 1702. Human-computer interaction module; 1703. Information processor; 1704. Information wireless transmission module; 1705. Information wireless receiving and processing module; 1706. GPS positioning module. DETAILED DESCRIPTION

[0044] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0045] As an embodiment of the present invention, Figure 1-Figure 5 As shown, a power equipment fault early warning system according to the present invention comprises a monitoring host 1, a coordinator node 2 and a power fault monitoring platform 3, wherein the monitoring host 1 is connected to the coordinator node 2, a mobile terminal 17 and a buzzer alarm 101 respectively, and the coordinator node 2 is connected to the power fault monitoring platform 3;

[0046] The coordinator node 2 includes a second microcontroller 201 and a wireless receiving module 202;

[0047] The power fault monitoring platform 3 includes a wireless communication module 4, a first microcontroller 5, a power system information library 6, a data integration processing module 7, a power equipment abnormality assessment module 8, a power transmission line abnormality assessment module 9, a power equipment terminal 10 and a power transmission terminal 11;

[0048] The power equipment end 10 includes a collector 12, a display circuit module 13, a key circuit module 14, a temperature sensor module 15 and an audible and visual alarm module 16;

[0049] The mobile terminal 17 includes a tag identification module 1701 , a human-computer interaction module 1702 , an information processor 1703 , an information wireless transmission module 1704 , an information wireless reception processing module 1705 and a GPS positioning module 1706 .

[0050] The present invention also includes that the tag identification module 1701 , the human-computer interaction module 1702 , the information wireless transmission module 1704 , the information wireless reception processing module 1705 and the GPS positioning module 1706 are all connected to the information processor 1703 .

[0051] The present invention also includes that the tag identification module 1701 includes a camera, an image recognition module and a storage module.

[0052] The present invention also includes that the temperature sensor module 15 includes a circuit board and a TS-18B20 digital temperature sensor.

[0053] The present invention also includes that the second microcontroller 201 is connected to the wireless receiving module 202 .

[0054] When in use, the tag identification module 1701 is used to identify the tags on the power equipment, the human-computer interaction module 1702 is used to transmit the information exchange between the inspector and the information processor 1703, a touch screen is installed on the outside of the mobile terminal 17, the information processor 1703 is used to process the information it receives and sends, the information wireless transmission module 1704 and the information wireless reception processing module 1705 are used to wirelessly transmit and receive information, the mobile terminal 17 adopts the Android or IOS operating system, and the mobile terminal 17 has a GPS positioning function.

[0055] The present invention also includes that the coordinator node 2 is connected to the monitoring host 1 via RS-232 and transmits data to the monitoring host 1.

[0056] When in use, the power equipment end 10 collects temperature parameters and other parameters of key parts of each power equipment through the display circuit module 13, the key circuit module 14, the temperature sensor module 15 and the sound and light alarm module 16. The collector 12 processes the data collected by the display circuit module 13, the key circuit module 14, the temperature sensor module 15 and the sound and light alarm module 16. The collected data is transmitted to the coordinator node 2 via the wireless communication module 14, and the conversion from wireless data to wired transmission data is completed on the coordinator node 2. The coordinator node 2 is connected to the monitoring host 1 via RS-232 to transmit the data to the monitoring host 1.

[0057] The present invention also includes that the wireless communication module 4 is connected to the power system information library 6 via the first microcontroller 5 , and the power system information library 6 is connected to the data integration processing module 7 .

[0058] The present invention also includes that the data integration processing module 7 is also connected to the power equipment abnormality assessment module 8 and the transmission line abnormality assessment module 9 respectively, the power equipment abnormality assessment module 8 is connected to the power equipment end 10, and the transmission line abnormality assessment module 9 is connected to the power transmission end 11.

[0059] The present invention also includes that the display circuit module 13 , the key circuit module 14 , the temperature sensor module 15 and the sound and light alarm module 16 are all connected to the collector 12 .

[0060] The first microcontroller 5 and the second microcontroller 201 may both adopt MSP430F135 single chip microcomputer but are not limited to MSP430F135 single chip microcomputer.

[0061] An early warning method of an electric power equipment fault early warning system comprises the following steps:

[0062] Step 1: Analyze the abnormal conditions of the transmission lines, comprehensively calculate the abnormal evaluation index of each transmission line, and screen each abnormal transmission line;

[0063] Step 2: Analyze the abnormal conditions of each power equipment of each abnormal transmission line, and comprehensively calculate the abnormal evaluation index of each power equipment of each abnormal transmission line;

[0064] Step 3: Integrate the abnormal evaluation index of each power equipment of each abnormal transmission line, and locate and warn the power equipment of the abnormal transmission line according to the integrated processing result.

[0065] The present invention also includes that the formula used to calculate the abnormality evaluation index of each transmission line is:

[0066]

[0067] The formula used to calculate the power quality evaluation index of each transmission line is:

[0068]

[0069] The formula used for the abnormal evaluation index of each power equipment of the abnormal transmission line is:

[0070]

[0071] In the formula, εrt represents the abnormal evaluation index of each power equipment in the abnormal operation and maintenance line, and They are respectively represented as the impact factors corresponding to the set vibration signal abnormality index and partial discharge abnormality index, The abnormal index of vibration signals of each power equipment indicating abnormal operation and maintenance lines, Indicates the partial discharge anomaly index of each power equipment in the abnormal operation and maintenance line.

[0072] When the present invention is in use, the power equipment end 10 collects temperature parameters and other parameters of key parts of each power equipment through the display circuit module 13, the key circuit module 14, the temperature sensor module 15 and the sound and light alarm module 16, and the collector 12 processes the data collected by the display circuit module 13, the key circuit module 14, the temperature sensor module 15 and the sound and light alarm module 16. The collected data is transmitted to the coordinator node 2 through the wireless communication module 14, and the wireless data is converted into wired transmission data on the coordinator node 2. The coordinator node 2 is connected to the monitoring host 1 through RS-232 to transmit the data to the monitoring host 1;

[0073] The mobile terminal 17 can be used alone. When the mobile terminal 17 is used alone, the tag identification module 1701 is used to identify the tag on the power equipment, the human-computer interaction module 1702 is used to transmit the information exchange between the inspector and the information processor 1703, a touch screen is installed on the outside of the mobile terminal 17, the information processor 1703 is used to process the information received and sent, the information wireless transmission module 1704 and the information wireless reception processing module 1705 are used to wirelessly transmit and receive information, the mobile terminal 17 adopts the Android or IOS operating system, the mobile terminal 17 has a GPS positioning function, and the monitoring host 1 can remotely monitor the mobile terminal 17 in real time and realize information synchronization;

[0074] When the system is working, it first analyzes the abnormal conditions of the transmission lines, comprehensively calculates the abnormal evaluation index of each transmission line, and screens each abnormal transmission line; then it analyzes the abnormal conditions of each power equipment in each abnormal transmission line, and comprehensively calculates the abnormal evaluation index of each power equipment in each abnormal transmission line; then it integrates the abnormal evaluation index of each power equipment in each abnormal transmission line, and locates and warns the power equipment in the abnormal transmission line based on the integrated processing results.

[0075] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A power equipment fault early warning system, characterized in that: The system comprises a monitoring host (1), a coordinator node (2) and a power fault monitoring platform (3), wherein the monitoring host (1) is connected to the coordinator node (2), a mobile terminal (17) and a buzzer alarm (101) respectively, and the coordinator node (2) is connected to the power fault monitoring platform (3); The coordinator node (2) comprises a second microcontroller (201) and a wireless receiving module (202); The power fault monitoring platform (3) comprises a wireless communication module (4), a first microcontroller (5), a power system information library (6), a data integration processing module (7), a power equipment abnormality assessment module (8), a power transmission line abnormality assessment module (9), a power equipment terminal (10) and a power transmission terminal (11); The power equipment end (10) comprises a collector (12), a display circuit module (13), a key circuit module (14), a temperature sensor module (15) and an audible and visual alarm module (16); The mobile terminal (17) comprises a tag identification module (1701), a human-computer interaction module (1702), an information processor (1703), an information wireless transmission module (1704), an information wireless reception processing module (1705) and a GPS positioning module (1706).

2. The power equipment fault early warning system according to claim 1, characterized in that: The tag identification module (1701), the human-computer interaction module (1702), the information wireless transmission module (1704), the information wireless reception processing module (1705) and the GPS positioning module (1706) are all connected to the information processor (1703).

3. The power equipment fault early warning system according to claim 1, characterized in that: The tag recognition module (1701) includes a camera, an image recognition module and a storage module.

4. The power equipment fault early warning system according to claim 1, characterized in that: The temperature sensor module (15) comprises a circuit board and a TS-18B20 digital temperature sensor.

5. The electric power equipment fault early warning system according to claim 1, characterized in that: The second microcontroller (201) is connected to the wireless receiving module (202).

6. The electric power equipment fault early warning system according to claim 1, characterized in that: The coordinator node (2) is connected to the monitoring host (1) via RS-232 and transmits data to the monitoring host (1).

7. The electric power equipment fault early warning system according to claim 1, characterized in that: The wireless communication module (4) is connected to the power system information library (6) via the first microcontroller (5), and the power system information library (6) is connected to the data integration processing module (7).

8. The electric power equipment fault early warning system according to claim 7, characterized in that: The data integration processing module (7) is also connected to the power equipment abnormality assessment module (8) and the power transmission line abnormality assessment module (9) respectively; the power equipment abnormality assessment module (8) is connected to the power equipment end (10); and the power transmission line abnormality assessment module (9) is connected to the power transmission end (11).

9. The electric power equipment fault early warning system according to claim 1, characterized in that: The display circuit module (13), the key circuit module (14), the temperature sensor module (15) and the sound and light alarm module (16) are all connected to the collector (12).

10. An early warning method for a power equipment fault early warning system according to any one of claims 1 to 9, characterized in that: The steps include: Step 1: Analyze the abnormal conditions of the transmission lines, comprehensively calculate the abnormal evaluation index of each transmission line, and screen each abnormal transmission line; Step 2: Analyze the abnormal conditions of each power equipment of each abnormal transmission line, and comprehensively calculate the abnormal evaluation index of each power equipment of each abnormal transmission line; Step 3: Integrate the abnormal evaluation index of each power equipment of each abnormal transmission line, and locate and warn the power equipment of the abnormal transmission line according to the integrated processing result.

11. The early warning method of the power equipment fault early warning system according to claim 10, characterized in that: The formula used to calculate the abnormality evaluation index of each transmission line is: The formula used to calculate the power quality evaluation index of each transmission line is: The formula used for the abnormal evaluation index of each power equipment of the abnormal transmission line is: In the formula, εrt represents the abnormal evaluation index of each power equipment in the abnormal operation and maintenance line, and / > They are respectively represented as the impact factors corresponding to the set vibration signal abnormality index and partial discharge abnormality index, The abnormal index of vibration signals of each power equipment indicating abnormal operation and maintenance lines, Indicates the partial discharge anomaly index of each power equipment in the abnormal operation and maintenance line.