Device for determining pollution information of insulator

By monitoring insulator leakage current and processing image data, the problem of low accuracy in judging the degree of contamination on the insulator surface has been solved, enabling the identification of mild contamination, reducing the risk of flashover, and improving the safety of the power system.

CN224109363UActive Publication Date: 2026-04-10GUANGDONG POWER GRID CORP ZHAOQING POWER SUPPLY BUREAU
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In existing technologies, the accuracy of judging the degree of contamination on the surface of insulators is low, especially in the inability to identify mild contamination, which increases the risk of flashover tripping accidents.

Method used

By monitoring the leakage current of the insulator, an abnormal working state is determined using a microcontroller, and the image data is further analyzed using an image acquisition module and a processor to determine the pollution information of the insulator.

Benefits of technology

It improves the accuracy of judging the degree of contamination on the surface of insulators, reduces the occurrence of flashover accidents, and improves the safety and reliability of the power system.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224109363U_ABST
    Figure CN224109363U_ABST
Patent Text Reader

Abstract

The utility model discloses a device for determining pollution information of an insulator. The equipment comprises a monitor which is welded in a circuit board and is used for monitoring the leakage current of an insulator in a high-voltage tower; the microcontroller is welded in the circuit board and is used for determining the abnormal working state of the insulator corresponding to the leakage current; the image acquisition module is connected with the circuit board and is used for acquiring image data of the insulator in the abnormal working state; and the processor is connected with the image acquisition module and is used for converting the image data into pollution information of the insulator. According to the utility model, the technical problem of low judgment accuracy of the surface contamination degree of the insulator is solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric power system, specifically, relates to a kind of determination equipment of insulator pollution information. BACKGROUND

[0002] Wind force and electric field force in natural environment make dust particle pollution in air easily adhere to the surface of insulator, and continuously deposit, cause insulator pollution.When these pollution substances adhere to the surface of insulator, if cannot find and clean insulator that exists pollution substance in time, it will lead to the electrical performance of insulator to decline, even cause pollution flashover trip accident.

[0003] In related technologies, for the monitoring of insulator surface pollution information, it is usually through infrared temperature measurement method to complete the monitoring of insulator surface pollution information.But, this method can only realize test within 50 meters from insulator, test distance is limited, and this method can only identify moderate pollution and heavy pollution, cannot identify light pollution, therefore, the above-mentioned method has the technical problem of low accuracy rate of insulator surface pollution degree judgment.

[0004] For the technical problem of low accuracy rate of insulator surface pollution degree judgment, currently, no effective solution has been proposed. UTILITY MODEL CONTENT

[0005] The utility model embodiment provides a kind of determination equipment of insulator pollution information, to at least solve the technical problem of low accuracy rate of insulator surface pollution degree judgment.

[0006] According to an aspect of the utility model embodiment, a kind of determination equipment of insulator pollution information is provided, the equipment can include: monitor, welded in circuit board, for monitoring the leakage current of insulator in high-voltage tower;Microcontroller, welded in circuit board, for determining the abnormal working state of insulator corresponding to leakage current;Image acquisition module is connected with circuit board, for collecting the image data of insulator under abnormal working state;Processor is connected with image acquisition module, for converting image data into the pollution information of insulator.

[0007] Optionally, the equipment can also include: temperature and humidity sensor, welded in circuit board, for collecting environmental data of the environment where insulator is located, wherein environmental data is at least used to characterize the temperature of environment and / or the humidity of environment.

[0008] Optionally, the equipment can also include: display unit, for displaying at least one of the following: image data, leakage current monitored at multiple time points, environmental data.

[0009] Optionally, the device further comprises a wireless transmission device for transmitting the working state of the insulator to the display unit.

[0010] Optionally, the display unit is disposed in a background server system.

[0011] Optionally, the device further comprises a power supply module connected to the circuit board for supplying power to the circuit board.

[0012] Optionally, the power supply module comprises a solar panel and a rechargeable battery.

[0013] Optionally, the solar panel is connected to the rechargeable battery for converting solar energy into electrical energy and transmitting the electrical energy to the rechargeable battery.

[0014] Optionally, the monitor transmits the leakage current to the microcontroller through an aviation line.

[0015] Optionally, the angle of the image acquisition module is in an adjustable state.

[0016] In the embodiment of the present application, a device for determining insulator contamination information is provided, which comprises a monitor welded in a circuit board, a microcontroller welded in the circuit board, an image acquisition module connected to the circuit board, and a processor connected to the image acquisition module. That is, the device for determining insulator contamination information is provided, which first monitors the leakage current of the insulator through the monitor, determines the working state of the insulator based on the leakage current, and if the working state of the insulator is determined to be an abnormal working state, the image data of the insulator can be acquired through the image acquisition module, and the processor is used for secondary judgment of the image data to determine the contamination information of the insulator. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application, and form a part of the present application.

[0018] Figure 1 is a schematic view of a device for determining insulator contamination information according to an embodiment of the present application.

[0019] Figure 2is a schematic view of a device according to an embodiment of the present application;

[0020] Figure 3 is a schematic view of a device for determining pollution information of an insulator according to an embodiment of the present application. DETAILED DESCRIPTION

[0021] In order to make the person skilled in the art better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0022] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a system, product or device including a series of units does not have to be limited to those units clearly listed, but can include other units not clearly listed or inherent to these products or devices.

[0023] First, some of the nouns or terms appearing in the description of the embodiments of the present application are applicable to the following explanations:

[0024] Pollution flashover, which can refer to the pollution layer on the surface of the insulator under the weather conditions of fog, dew, snow, drizzle, etc. The flashover voltage of the pollution layer is greatly reduced, and the insulator occurs flashover along the surface under the action of voltage, which is simply referred to as pollution flashover;

[0025] Pollution flashover mechanism, which can include five stages, namely, insulator pollution, wetting of insulator pollution layer, appearance of insulator local arc, development of insulator local arc, and complete development of insulator arc into flashover;

[0026] Pollution level, which can be used to represent the degree of insulator pollution, and can be divided according to the equivalent salt density on the surface of the insulator, and can be used to reflect the severity of the pollution condition of the outer insulation of the porcelain insulator;

[0027] Leakage current, which can refer to the current flowing through the surface of the insulator after the polluted surface of the insulator is wetted under the operating voltage.

[0028] According to the embodiment of the utility model, provide a kind of insulator pollution information determination equipment, Figure 1 It is a kind of insulator pollution information determination equipment according to the embodiment of the utility model schematic diagram.As shown in Figure 1 The insulator pollution information determination equipment 10 can include: detector 102, microcontroller 104, image acquisition module 106 and processor 108.

[0029] The monitor 102 is welded in the circuit board, and is used to monitor the leakage current of the insulator in the high-voltage tower.

[0030] In this embodiment, the above-mentioned insulator can be a special insulating control, which can play an important role in overhead transmission lines, can be made of glass or ceramic, and can be used to support the conductor and isolate the conductor from the live body. The insulator not only needs to have good electrical insulation performance, but also needs to have sufficient mechanical strength to ensure the electrical insulation and mechanical support between the conductor and the live body. The above-mentioned monitor can include a current sensor, which can be welded in a circuit board, which can be an open-loop current sensor or a closed-loop current sensor. It should be noted that this is only an example, and the type of monitor is not limited.

[0031] Optionally, the above-mentioned monitor can be welded in a circuit board, which can also be called a mainboard,

[0032] Optionally, the above-mentioned monitor can be used to monitor the leakage current of the insulator in the overhead line. The above-mentioned leakage current can refer to the existence of a small current between the high-voltage line and the grounded part in the power system when the high-voltage line passes through the insulator due to the influence of the pollution (such as dust, salt, etc.) on the surface of the insulator and environmental factors (such as humidity, precipitation, etc.). Although this current is very weak compared to the high-voltage current, it is crucial for determining the degree of pollution of the insulator and the potential risk of pollution flashover.

[0033] Optionally, the above-mentioned monitor can include a current sensor, which can be used to convert the weak current signal into an electrical signal that can be processed by the subsequent circuit.

[0034] Optionally, the above-mentioned monitor is not limited to a current sensor, but also integrates a signal conditioning circuit, such as a resistor-capacitor (RC) filter and a high-precision operational amplifier, which can be used to filter out noise and amplify the current signal to ensure accurate detection even in very weak current conditions.

[0035] Optionally, the leakage current monitored by the above-mentioned monitor can be sent to an analog-to-digital converter (ADC), which can convert the analog signal into a digital signal for processing by the microprocessor.

[0036] The microcontroller 104 is welded in the circuit board and is used to determine the abnormal working state of the insulator corresponding to the leakage current.

[0037] In this embodiment, the microcontroller can be welded in the circuit board and can include a 16-bit single-chip microcomputer or a 32-bit single-chip microcomputer, also known as a micro-control unit module, which can be used to determine whether the working state of the insulator is an abnormal working state based on the leakage current.

[0038] Optionally, the microcontroller can be programmed in this embodiment, and the micro-control unit control program can be programmed according to the leakage current value corresponding to the slight contamination of the insulator, so that when the leakage current is obtained, the leakage current can be processed by the microcontroller to obtain the working state of the insulator.

[0039] Optionally, the microcontroller can be a microprocessor, which can be a microcomputer main chip that can be used to receive digital signals and analyze and calculate through the built-in software program to convert the size of the leakage current into specific numerical values. These numerical values can be uploaded to the background monitoring platform through the wireless communication module (such as a 4G module), and the platform can be a dedicated server of a power grid company, which is used to monitor and analyze the state of the insulator in real time.

[0040] For example, in actual application, the monitor can be designed as a compact module installed near the insulator or directly integrated into the structure of the insulator. When the monitor detects that the leakage current exceeds the preset threshold, it will trigger an alarm mechanism and send the alarm and related data to the remote monitoring system through 4G wireless Internet of Things technology. The monitoring system will evaluate the contamination level and potential pollution flashover risk of the insulator based on the received data, combined with the positioning information of the insulator location and the current temperature and humidity conditions, and timely notify the operation and maintenance personnel to take necessary cleaning or maintenance measures to avoid power accidents.

[0041] The image acquisition module 106 is connected to the circuit board and is used to acquire image data of the insulator in the abnormal working state.

[0042] In this embodiment, the image acquisition module can be a camera or a sensor, which can be used to acquire image data of the insulator in the abnormal working state, wherein the image data can be used to determine the working state of the insulator.

[0043] Optionally, when it is determined that the working state of the insulator is an abnormal state, the image acquisition module can be controlled to acquire image data of the insulator and transmit the image data to the processor.

[0044] The processor 108 is connected to the image acquisition module and is used to convert the image data into contamination information of the insulator.

[0045] In the embodiment, the processor can be a central processing unit, can be connected with the image acquisition module, and can identify the image data to determine the contamination information on the insulator.

[0046] Optionally, the determination device in the embodiment can further include a communication module, which can send warning information to a communication device when the working state of the insulator is an abnormal working state. The warning information can include short message warning notification, sound warning notification, program warning notification, and the like, and can be sent through an email, a short message, and the like.

[0047] In the embodiment, the determination device can further include a shell, which can form a container. The monitor, the micro-control unit module, the power supply module, and the communication module can be placed in the container to obtain a complete determination device.

[0048] Optionally, an image acquisition module can be arranged outside the container. The image acquisition module can be used to acquire image data of the insulator in the abnormal working state.

[0049] Optionally, the container can further include a processor connected with the image acquisition module. The processor can be used to convert the image data into contamination information of the insulator. The contamination information can be used to determine the contamination degree of the insulator.

[0050] Optionally, the communication module can be a fourth generation (4G) communication module, which can be installed in the circuit board.

[0051] Figure 2 is a schematic view of a determination device according to an embodiment of the present application. Figure 2 As shown in the figure, the image acquisition module arrangement 201 can be arranged in the shell 202 of the determination device.

[0052] The device described in this invention comprises components including an electric hoist mounted on a cable tray, connecting a cover plate in the cable line; a power supply unit connected to the electric hoist, used to provide electrical energy to the electric hoist and control the length of the electric hoist; and a moving unit installed at the bottom of the cable tray, used to control the moving direction of the cover plate by controlling the moving direction of the cable tray. In other words, this invention proposes a moving device for the cover plate. This device first monitors the leakage current of the insulator using a monitor, determines the working state of the insulator based on the leakage current, and if the working state of the insulator is determined to be abnormal, an image acquisition module can acquire image data of the insulator. A processor then performs a secondary judgment on the image data to determine the contamination information of the insulator. This contamination information can be used to determine the degree of contamination of the insulator, thereby improving the accuracy of judging the degree of contamination on the insulator surface and solving the technical problem of low accuracy in judging the degree of contamination on the insulator surface.

[0053] The method described in this embodiment will be further described below.

[0054] As an optional implementation, the device may further include: a temperature and humidity sensor, soldered into a circuit board, for collecting environmental data of the environment in which the insulator is located, wherein the environmental data is used to characterize at least the temperature and / or humidity of the environment.

[0055] In this embodiment, the aforementioned determining device may further include a temperature and humidity sensor, which can be soldered into a circuit board and used to collect environmental data of the environment in which the insulator is located. The environmental data is used to characterize the temperature and / or humidity of the environment and can be used to assist in judging the working status of the insulator.

[0056] As an alternative implementation, the device may further include a display unit for displaying at least one of the following: image data, leakage current monitored at multiple times, and environmental data.

[0057] In this embodiment, the device may further include a display unit, which may be externally connected to the housing and may be used to display image data, leakage current monitored at multiple times, and environmental data. The display unit may be a monitor.

[0058] Optionally, a processor may be deployed in the aforementioned display.

[0059] Optionally, this embodiment can display the leakage current detected by the insulator online as a curve in the display unit, and set an alarm threshold. The display can achieve the effects of real-time monitoring, data storage, and safety monitoring through the interface.

[0060] Optionally, the display unit can be used to visually display the collected data and device status, such as the real-time value and historical trend of the leakage current, environmental data (temperature, humidity), and image data taken by the device.

[0061] In the monitoring system, the display unit can be a local display screen installed on the monitoring device for on-site maintenance personnel to view; the display unit can also be deployed in a background server system to display and analyze data in real time through a web interface or special software, facilitating remote monitoring and management.

[0062] As an optional embodiment, the device can further comprise a wireless transmission device for transmitting the working status of the insulator to the display unit.

[0063] In this embodiment, the wireless transmission device can also be used to transmit the working status of the insulator to the display unit.

[0064] Optionally, the wireless transmission device can be used to ensure that the working status of the insulator and the collected data can be transmitted remotely to the display unit and the server system to achieve non-site monitoring. Wireless transmission can use 4G, communication modules, wireless fidelity (Wi-Fi), etc.

[0065] As an optional embodiment, the display unit is deployed in a background server system.

[0066] In this embodiment, in addition to being externally connected to the shell, the display unit can also be deployed in a background server.

[0067] As an optional embodiment, the device can further comprise a power supply module connected to the circuit board for supplying power to the circuit board.

[0068] In this embodiment, considering that the above-mentioned determination device has a long service life and high frequency of use, and that a disposable battery needs to be installed and replaced multiple times, which is not suitable for use at high altitudes of the tower, the determination device can further comprise a power supply module, which can be connected to the circuit board for supplying power to the devices in the circuit board.

[0069] As an optional embodiment, the power supply module can comprise a solar panel and a rechargeable battery.

[0070] In this embodiment, to improve the power supply efficiency of the power supply device, a solar panel and a rechargeable battery can be used.

[0071] Optionally, the solar panel and the rechargeable battery can serve as the power source of the above-mentioned determination device, wherein the rechargeable battery can be a small rechargeable battery, which can be a nickel-hydrogen battery and a lithium battery. It should be noted that this is only an example and the type of rechargeable battery is not limited.

[0072] Optionally, the rechargeable battery can be welded on the circuit board and externally connected to the photovoltaic panel.

[0073] Optionally, the above-mentioned power supply module can be used to provide energy for the entire monitoring device, which can include a solar panel and a rechargeable battery. The solar panel can convert solar energy into electrical energy to power the device, which is particularly suitable for use in remote areas without power grid coverage. The rechargeable battery provides backup power when the solar panel cannot work effectively (such as at night or on rainy days), ensuring continuous operation of the device. The combination of the two forms a sustainable and low-maintenance power supply system.

[0074] As an optional implementation, the solar panel is connected to the rechargeable battery to convert solar energy into electrical energy and transmit the electrical energy to the rechargeable battery.

[0075] In this embodiment, the above-mentioned solar panel can be connected to the rechargeable battery to convert solar energy into electrical energy and transmit the electrical energy to the rechargeable battery.

[0076] As an optional implementation, the monitor transmits the leakage current to the microcontroller through an aviation line.

[0077] In this embodiment, the aviation line refers to an aviation-grade signal transmission cable, which can be used to transmit data signals such as leakage current between the monitor and the microcontroller. It can be made of high-performance materials, has good anti-interference, heat resistance and mechanical strength, and is suitable for stable data transmission in harsh environments, ensuring the reliability and accuracy of the monitoring system.

[0078] As an optional implementation, the angle of the image acquisition module is in an adjustable state.

[0079] In this embodiment, to improve the flexibility and accuracy of monitoring, the image acquisition module (such as a camera) is designed to be adjustable in angle. This allows the operator or the system to adjust the shooting direction as needed, for example, to aim at a specific insulator surface or monitoring area to obtain clearer and more comprehensive image data for assisting in analyzing the contamination level of the insulator and environmental changes.

[0080] Optionally, the above-mentioned image acquisition module can be a lens with adjustable width.

[0081] In this embodiment, through the integration of these optional devices, the monitoring system not only can monitor and transmit leakage current data in real time, but also can provide environmental monitoring, remote image viewing, data visualization and stable power supply, etc. functions, building a comprehensive, intelligent and efficient power equipment monitoring platform.

[0082] The utility model discloses a kind of determination equipment of insulator pollution information, the equipment first monitors the leakage current of insulator by monitor, determines the working state of insulator based on leakage current, if the working state of insulator is determined as abnormal working state, image data of insulator can be collected by image acquisition module, secondary determination is carried out to image data by processor, to determine the pollution information of insulator, the pollution information can be used to determine the pollution degree of insulator, to realize the technical effect of improving the accuracy of insulator surface pollution degree judgment, solve the technical problem of low accuracy of insulator surface pollution degree judgment.

[0083] The technical solutions of the utility model embodiments are exemplified below in combination with preferred embodiments.

[0084] At present, with the rapid development of China's economy, China's electric power industry enters a period of rapid development, mainly in the installed capacity of power system, operation voltage grade improvement, power grid coverage area expansion etc. Not only this, in the total accident of power system, the number of line tripping caused by pollution flashover is only next to lightning trip, ranks second, and the loss caused by pollution flashover accident is 10 times of lightning accident. Therefore, it is of great significance to prevent insulator from pollution flashover and ensure the safety of power transmission and transformation equipment.

[0085] In the related art, for the monitoring of insulator, salt density test and infrared temperature measurement are respectively. Among them, salt density test data is accurate, but needs artificial tower to go to insulator installation place to sample with test paper, and is sent to professional laboratory for testing, which needs power-off operation and has high danger in high-altitude operation, and generally needs 5 days from sampling to feedback result, with poor real-time performance, and can only be used as an auxiliary detection means. Infrared temperature measurement is the mainstream means for detecting the pollution degree of insulator in the current power transmission and operation department, which can realize testing within 50 meters from the insulator, but this method can only identify moderate pollution and heavy pollution, and cannot identify light pollution. Therefore, the above-mentioned methods all have the technical problem of low accuracy of insulator surface pollution degree judgment.

[0086] In order to solve the above problems, the utility model provides a kind of determination device of insulator pollution information, the size of insulator leakage current can be monitored in real time by the device to judge the surface pollution degree of insulator, and data support is provided for insulator leakage current monitoring device operation condition research by communication module transmission to monitoring platform, improve the reliability of the technology of insulator leakage current monitoring device, reduce the operation burden of patrol and maintenance personnel, improve work efficiency, realize intelligent management.

[0087] Optionally, the sensor module, micro-control unit module, power supply module and shell component of the device are assembled together, Figure 3 It is a kind of determination device of insulator pollution information according to the utility model embodiment, as shown inFigure 3 As shown, the device can include a sensor module 301 and a housing 302, which constitutes a container that can include a micro-control unit module and a power supply module.

[0088] In this embodiment, the above-mentioned insulator contamination and creepage detection module can be installed on a high-voltage tower, and is externally connected to a solar panel, a current detection coil and a temperature and humidity sensor. When the insulator is not contaminated, the current flowing through the insulator is small. When the insulator is contaminated, the current flowing through the insulator changes. The high-sensitivity current detection coil can detect a current signal of 0-500 mA, and send the current signal to the host computer in a 4-20 mA output mode.

[0089] Optionally, the device can also include a high-sensitivity temperature and humidity sensor that can detect the temperature and humidity signals around the insulator in a timely manner and output them to the host computer. After analysis and processing by the host computer, the real-time current signal, temperature / humidity signal, 4G wireless Internet transmission, special network card, device end working state, battery capacity, solar power supply situation, device GPS positioning signal, and other signals are simultaneously transmitted to the background server system for timely prevention and monitoring.

[0090] Optionally, the above-mentioned intelligent insulator monitor can adopt multiple waterproof and insulation protection, and the internal elements have good aging resistance and shock resistance, and can be used for long-term indication, warning and monitoring of power grid underground pipelines, to ensure the safe operation of power equipment and power transmission pipelines.

[0091] Optionally, the above-mentioned insulator leakage current monitoring device utilizes the environment and conditions of the online installation of the insulator. Since one end of the insulator is connected to a high-voltage line and the other end is connected to a tower, when the high-voltage line is powered on, there will be a certain leakage current through the insulator. When the insulator is new, has no contaminants or has not exploded, the high-voltage line will pass through the insulator insulation.

[0092] Optionally, the device extracts the leakage current of the insulator by RC, amplifies it by high-precision operational amplifier, accurately samples it by ADC, and analyzes and processes it by microcomputer main chip software program to convert the leakage current into digital signal for data acquisition and transmission.

[0093] Optionally, the device utilizes the volt-amp non-linear characteristic of zinc oxide resistor. When there is lightning overvoltage, the zinc resistor utilizes the instantaneous pressure-sensitive resistance value change to quickly discharge the lightning current to the tower ground, protecting the safety of the insulator and the monitoring device.

[0094] Optionally, the device adopts the mode of 4G wireless Internet of Things data transmission, and a power grid special card (such as a SIM card) is configured to perform precise positioning by Beidou, monitor leakage current of the insulator online, display in a curve manner in the background, set an alarm threshold, and display through a foreground interface, so as to achieve the effects of real-time monitoring, data storage, and safety monitoring, and provide data support for judging the salt density of the insulator, preventing pollution flashover, cleaning, special patrol, and the like, and ensure safe and stable operation of the power transmission line.

[0095] Optionally, the device can collect leakage current data by collecting leakage current data through a sensor and periodically sending the leakage current data back to the background for analysis. The device can also perform leakage current overrun early warning by setting a maximum leakage current threshold and intelligently judging and warning. The device can also study the relationship between the leakage current value and the insulator salt and ash density, air humidity, and insulator damage.

[0096] Optionally, the device can obtain information of the insulator leakage current in real time, helping operation and maintenance personnel to realize remote monitoring and maintenance management. The state of the insulator is accurately mastered, a more scientific and reasonable maintenance plan is formulated, the inspection frequency is reduced, and the work efficiency is improved. The online monitoring system can collect a large amount of leakage current data, analyze and mine these data, understand the working state of the insulator, the degree of pollution, and influencing factors, and the like. By using data analysis technology, the operation strategy and maintenance scheme of the catenary can be optimized, and the operation efficiency and economy of the power supply system can be improved.

[0097] Optionally, the device can perform real-time monitoring and data analysis of the insulator. The device can monitor the leakage current of the insulator in real time, collect a large amount of data for in-depth analysis, and improve the reliability of the power system operation.

[0098] Optionally, by setting a leakage current threshold, the device can realize overrun early warning, and at the same time, based on data analysis, a scientific and reasonable maintenance plan is formulated, the inspection frequency is reduced, and the work efficiency is improved.

[0099] Optionally, the device can optimize the operation strategy and maintenance scheme, improve the economy of the power supply system, reduce pollution flashover accidents through intelligent management, and ensure safe operation of the power equipment.

[0100] Optionally, the current sensor in the device can be a sensor for accurately measuring the leakage current of the insulator, and the leakage current can be raw data.

[0101] Optionally, the device can include a data processing and analysis module, which can include an RC circuit, an operational amplifier, an ADC, and a microcomputer main chip, and can be used to convert analog signals into digital signals and perform data analysis.

[0102] Optionally, the above-mentioned device can further comprise a zinc oxide resistance protection circuit, through the zinc oxide protection circuit, the monitoring device and the insulator can be protected under lightning overvoltage condition, and safe operation of the device is ensured.

[0103] In the embodiment of the utility model, first, the monitor monitors the leakage current of the insulator, and the working state of the insulator is determined based on the leakage current, if the working state of the insulator is determined to be an abnormal working state, the image data of the insulator can be collected through the image collection module, and the processor is used for secondary judgment on the image data to determine the contamination information of the insulator, the contamination information can be used to determine the contamination degree of the insulator, thereby realizing the technical effect of improving the accuracy of the insulator surface contamination degree judgment, and solving the technical problem of low accuracy of the insulator surface contamination degree judgment.

[0104] The above-mentioned embodiment serial number of the utility model is only for description, and does not represent the advantages and disadvantages of the embodiment.

[0105] In the above-mentioned embodiment of the utility model, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0106] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the art, on the premise of not departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. An apparatus for determining contamination information of an insulator, characterized by comprising: The device comprises: a monitor welded in a circuit board for monitoring a leakage current of an insulator in a high-voltage tower; a microcontroller welded in the circuit board for determining an abnormal working state of the insulator corresponding to the leakage current; an image acquisition module connected to the circuit board for acquiring image data of the insulator in the abnormal working state; a processor connected to the image acquisition module for converting the image data into pollution information of the insulator; wherein the device further comprises: a display unit for displaying at least one of the following: image data, the leakage current monitored at multiple time points, and environmental data, wherein the display unit is a display, and the display is provided with a processor; a power supply module connected to the circuit board for supplying power to the circuit board; the power supply module comprises a solar panel and a rechargeable battery, wherein the rechargeable battery is welded on the circuit board and is connected to the photovoltaic panel.

2. The apparatus of claim 1, wherein, The device further comprises: a temperature and humidity sensor welded in the circuit board for acquiring environmental data of an environment in which the insulator is located, wherein the environmental data at least represents the temperature of the environment and / or the humidity of the environment.

3. The apparatus of claim 1, wherein, The device further comprises: a wireless transmission device for transmitting the working state of the insulator to the display unit.

4. The apparatus of claim 3, wherein, The display unit is deployed in a background server system.

5. The apparatus of claim 1, wherein, The solar panel is connected to the rechargeable battery for converting solar energy into electrical energy and transmitting the electrical energy to the rechargeable battery.

6. The apparatus of claim 1, wherein, The monitor transmits the leakage current to the microcontroller through an aerial line.

7. The apparatus of claim 1, wherein, The angle of the image acquisition module is in an allowed adjustment state.