An intelligent online monitoring system for operating state of high-voltage fuse

Abstract

The utility model discloses a high -voltage fuse running state intelligence on -line monitoring system, its characterized in that: data acquisition unit, data acquisition unit includes temperature sensor, current sensor and voltage sensor, data processing unit, data processing unit passes through cable and data acquisition unit electric connection, and data processing unit adopts microprocessor, communication unit, and communication unit is connected with the communication output end of data processing unit, state processing unit, state processing unit passes through communication receiving end and communication unit connection, and state processing unit adopts industrial control computer or microcontroller, communication unit one, communication unit one is connected with the communication output end of state processing unit, background monitoring unit, background monitoring unit is connected with communication unit one, through the real -time data acquisition of temperature, current and voltage sensor, can obtain the operation parameter of high -voltage fuse in time, realizes the real -time monitoring to its operation state, has overcome the limitation of manual inspection.

Description

Technical Field

[0001] This utility model relates to the field of intelligent monitoring technology for the operating status of high-voltage fuses, and in particular to an intelligent online monitoring system for the operating status of high-voltage fuses. Background Technology

[0002] High-voltage fuses, as crucial protective electrical devices in power systems, disconnect circuits and protect electrical equipment by melting themselves when overloads or short circuits occur. However, in actual operation, the operating status of high-voltage fuses is difficult to monitor accurately in real time. Currently, manual inspection is the primary method for checking fuse status, which suffers from low efficiency, poor real-time performance, high labor costs, and the inability to promptly detect potential faults. Furthermore, traditional monitoring methods lack intelligent and automated functions, failing to meet the demands of modern power systems for real-time and accurate monitoring of equipment operating status. Therefore, this application proposes a system capable of intelligent online monitoring of the operating status of high-voltage fuses to improve the reliability and safety of power systems. Utility Model Content

[0003] This application provides an intelligent online monitoring system for the operating status of high-voltage fuses. By acquiring real-time data from temperature, current, and voltage sensors, the system can obtain the operating parameters of high-voltage fuses in a timely manner, thereby achieving real-time monitoring of their operating status and overcoming the limitations of manual inspection.

[0004] This application provides an intelligent online monitoring system for the operating status of high-voltage fuses, including:

[0005] The data acquisition unit includes a temperature sensor, a current sensor, and a voltage sensor. The temperature sensor is a high-precision infrared temperature sensor, which is installed on the surface of the fuse element or the outer casing of the high-voltage fuse. The current sensor is an electromagnetic current transformer, which is connected in series in the control circuit where the high-voltage fuse is located. The voltage sensor is a capacitive voltage transformer, which is connected in parallel across the two ends of the high-voltage fuse.

[0006] The data processing unit is electrically connected to the data acquisition unit via a cable. The data processing unit uses a microprocessor. A signal filter and a signal amplifier are also provided between the data processing unit and the data acquisition unit. The signal filter is electrically connected to the data acquisition unit via a cable and is a low-pass filter. The signal amplifier is connected between the signal filter and the data processing unit via a cable and is a low-noise amplifier.

[0007] The communication unit is connected to the communication output terminal of the data processing unit. The communication unit adopts a wireless communication unit and a 4G / 5G communication module.

[0008] The status processing unit is connected to the communication unit via a communication receiver and is an industrial control computer or microcontroller. The status processing unit is electrically connected to an alarm unit via a cable. The alarm unit is an audible and visual alarm and is installed on the high-voltage fuse housing. The status processing unit is also electrically connected to a display unit via a cable. The display unit is an LCD screen and is installed on the high-voltage fuse housing.

[0009] Communication Unit 1 is connected to the communication output terminal of the status processing unit; Communication Unit 1 includes a wireless communication unit and a wired communication unit; The wireless communication unit adopts a 4G / 5G communication module; The wired communication unit adopts an Ethernet communication module and is connected to the monitoring system of a nearby substation via optical fiber or network cable;

[0010] The background monitoring unit is connected to the communication unit.

[0011] One or more technical solutions provided in the embodiments of this application have at least the following technical effects or advantages:

[0012] 1. By acquiring real-time data from temperature, current, and voltage sensors, the operating parameters of high-voltage fuses can be obtained in a timely manner, enabling real-time monitoring of their operating status and overcoming the limitations of manual inspection.

[0013] 2. The cooperation between the data processing unit and the status processing unit can automatically determine the operating status of the high-voltage fuse from the collected data, promptly detect potential fault hazards, and generate fault alarm signals, thereby improving the accuracy and timeliness of fault diagnosis. The communication unit transmits the monitoring data and fault alarm signals remotely, enabling staff to monitor the operation of the high-voltage fuse in real time from the background monitoring unit, facilitating timely measures to address the issues and improving the operation and maintenance efficiency of the power system. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the intelligent online monitoring system for the operating status of high-voltage fuses in this application;

[0015] Figure 2 This is a schematic diagram of the data processing unit connection in this application;

[0016] Figure 3 This is a schematic diagram of the connection of the status processing unit in this application.

[0017] In the diagram: 10 Data processing unit, 20 Status processing unit, 30 Background monitoring unit. Detailed Implementation

[0018] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of this utility model. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0019] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0021] Example 1

[0022] Please see Figure 1-3 A high-voltage fuse operating status intelligent online monitoring system includes a data acquisition unit for real-time monitoring of the operating status of the high-voltage fuse. The data acquisition unit includes a temperature sensor, a current sensor, and a voltage sensor. The temperature sensor is a high-precision infrared temperature sensor, installed on the surface of the fuse element or the outer casing of the high-voltage fuse, for real-time acquisition of temperature data during high-voltage fuse operation. The current sensor is an electromagnetic current transformer, connected in series in the control circuit where the high-voltage fuse is located, for real-time acquisition of current data passing through the high-voltage fuse. The voltage sensor is a capacitive voltage transformer, connected in parallel across the two ends of the high-voltage fuse, for real-time acquisition of voltage data across the high-voltage fuse.

[0023] The data acquisition unit is electrically connected to the data processing unit 10 via a cable. The data processing unit 10 serves as the core control unit and employs a high-performance microprocessor, such as an ARM series chip. The data processing unit 10 receives temperature, current, and voltage data from the data acquisition unit, converts analog signals into digital signals, and outputs the digital signals via the communication unit.

[0024] The communication output terminal of the data processing unit 10 is connected to the communication receiving terminal of the status processing unit 20 through a communication unit, which is a wireless communication unit.

[0025] The wireless communication unit uses a 4G / 5G communication module, which can transmit the monitoring data generated by the data processing unit to the status processing unit through the mobile communication network.

[0026] A signal filter and a signal amplifier are also provided between the data processing unit 10 and the data acquisition unit. The signal filter is electrically connected to the data acquisition unit via a cable. The signal filter is a low-pass filter, which can effectively filter out high-frequency noise signals, ensuring that the signal transmitted to the data processing unit is purer and reducing the interference of noise on data analysis and judgment. The signal amplifier is connected between the signal filter and the data processing unit 10 via a cable. The signal amplifier is a low-noise amplifier, which can amplify the weak signal after the signal filter is processed, so that it reaches the level range that the data processing unit can effectively process.

[0027] The status processing unit 20 uses an industrial control computer or a microcontroller with powerful data processing and analysis capabilities, such as a programmable logic controller (PLC). It receives the high-voltage fuse temperature, current, and voltage monitoring data sent by the data processing unit through the wireless communication unit, and judges the operating status of the fuse. If all data are within the normal range and the trend is stable, the fuse is judged to be in normal operation. If any data exceeds the threshold, the fuse is judged to be in an abnormal state.

[0028] The status processing unit 20 is electrically connected to an alarm unit via a cable. The alarm unit is an audible and visual alarm and is installed on the casing of the high-voltage fuse. When the data of the high-voltage fuse exceeds the preset threshold during operation, the alarm unit receives the signal and issues an alarm to remind the inspection personnel to check and maintain it in a timely manner.

[0029] The communication output terminal of the status processing unit 20 is connected to the background monitoring unit 30 through the communication unit 1. The communication unit 1 includes a wireless communication unit and a wired communication unit.

[0030] The wireless communication unit uses a 4G / 5G communication module, which can transmit the data and alarm signals generated by the status processing unit to the background monitoring unit 30 through the mobile communication network; the wired communication unit uses an Ethernet communication module, which connects to the monitoring system of the nearby substation through optical fiber or network cable to achieve stable data transmission.

[0031] Communication unit one can automatically switch between wireless and wired communication modes according to the actual network environment to ensure the timeliness and reliability of data transmission.

[0032] The status processing unit 20 is electrically connected to a display unit via a cable. The display unit is an LCD screen and is installed on the housing of the high-voltage fuse. It is used to display the temperature, current, and voltage monitoring data of the high-voltage fuse in real time. The staff can intuitively understand the operating status of the high-voltage fuse through the display unit, which is convenient for on-site inspection and maintenance.

[0033] In actual operation of this embodiment, the temperature sensor, current sensor, and voltage sensor are first installed at their respective positions on the high-voltage fuse. The signal filter, signal amplifier, data processing unit, and communication unit are integrated into a high-protection enclosure and installed in a suitable location near the high-voltage fuse. The status processing unit and communication unit one are integrated into another high-protection enclosure. The alarm unit and display unit are installed outside the enclosure. Communication unit one selects a suitable communication method (wireless or wired) to connect to the nearby substation monitoring system according to the on-site network environment.

[0034] After the system starts, the data acquisition unit collects the temperature, current, and voltage data of the high-voltage fuse in real time and transmits the data to the data processing unit. The data processing unit processes the data and transmits the processed data to the status processing unit through the communication unit. The status processing unit uses the received temperature, current, and voltage monitoring data of the high-voltage fuse to determine the operating status of the fuse. If all data are within the normal range and the trend is stable, the fuse is judged to be in normal operation. If any data exceeds the threshold, the fuse is judged to be in an abnormal state, and an alarm signal is immediately generated to remind the inspection personnel to check and repair it in time. The alarm signal is also sent to the background monitoring unit through the communication unit for fault feedback. At the same time, the monitoring data and operating status information are displayed through the display unit.

[0035] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. For those skilled in the art, various modifications and variations are possible with this utility model. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A smart online monitoring system for the operating status of high-voltage fuses, characterized in that: include, The data acquisition unit includes a temperature sensor, a current sensor, and a voltage sensor. The temperature sensor is a high-precision infrared temperature sensor, which is installed on the surface of the fuse element or the outer casing of the high-voltage fuse. The current sensor is an electromagnetic current transformer, which is connected in series in the control circuit where the high-voltage fuse is located. The voltage sensor is a capacitive voltage transformer, which is connected in parallel across the two ends of the high-voltage fuse. A signal filter and a signal amplifier are also provided between the data processing unit and the data acquisition unit. The signal filter is electrically connected to the data acquisition unit via a cable and is a low-pass filter. The signal amplifier is connected between the signal filter and the data processing unit via a cable and is a low-noise amplifier. The data processing unit is electrically connected to the data acquisition unit via a cable, and the data processing unit employs a microprocessor. The communication unit is connected to the communication output terminal of the data processing unit. The communication unit adopts a wireless communication unit and a 4G / 5G communication module. The status processing unit is connected to the communication unit through a communication receiver. The status processing unit adopts an industrial control computer or microcontroller. The status processing unit is electrically connected to the alarm unit via a cable. The alarm unit is an audible and visual alarm and is installed on the housing of the high-voltage fuse. The status processing unit receives the temperature, current, and voltage monitoring data of the high-voltage fuse and judges the operating status of the fuse. If all data are within the normal range and the trend is stable, the fuse is judged to be in normal operation. If any data exceeds the threshold, the fuse is judged to be in an abnormal state, and the alarm unit is controlled to issue an alarm. Communication unit one, which is connected to the communication output terminal of the status processing unit; The background monitoring unit is connected to the communication unit.

2. The intelligent online monitoring system for the operating status of a high-voltage fuse according to claim 1, characterized in that: The status processing unit is electrically connected to a display unit via a cable. The display unit is an LCD screen and is mounted on the housing of the high-voltage fuse.

3. The intelligent online monitoring system for the operating status of a high-voltage fuse according to claim 1, characterized in that: The first communication unit includes a wireless communication unit and a wired communication unit; The wireless communication unit uses a 4G / 5G communication module; the wired communication unit uses an Ethernet communication module and connects to the monitoring system of a nearby substation via fiber optic cable or network cable.

Images