Non-power-cut insulator string fitting replacement method and non-power-cut insulator string fitting replacement protection system

By deploying environmental monitoring equipment, electrical isolation devices and current regulation equipment in the power system, combined with the central control system and personnel safety monitoring equipment, the problems of safety risks and low maintenance efficiency in traditional live operation methods are solved, and the replacement of insulator string metal tools is achieved safely and efficiently without power outage.

CN119542984APending Publication Date: 2025-02-28QUJING BUREAU OF SUPERVOLTAGE POWER TRANSMISSION CHINA SOUTHERN POWER GRID
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Patent Information

Application Number
CN202411791996.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-02-28

AI Technical Summary

Technical Problem

In power systems, the metal tools in the insulator string need to be replaced due to corrosion, aging or damage. Traditional live operation methods have problems such as safety risks and low maintenance efficiency.

Method used

By deploying environmental monitoring equipment, electrical isolation devices and current control equipment in the operating area, combined with the central control system and personnel safety monitoring equipment, the disassembly and installation of the metal tools can be safely disassembled and installed without power outage.

Benefits of technology

It has achieved safe replacement of metal tools without interrupting power supply, reducing safety risks, improving maintenance efficiency, and avoiding the impact of power outages on social production and economic activities.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The invention relates to an uninterruptible power insulator string fitting replacement method and an uninterruptible power insulator string fitting replacement protection system. Environmental monitoring equipment is deployed in an operation area, when environmental conditions meet safety standards, a central control system starts operation reminding, an operator performs subsequent actions, and an electrical isolation device is deployed in the operation area so as to electrically isolate the operation area from electrified equipment. A current regulation and control device is deployed in a line where an insulator string of an operation area is located, so that the current of the line is stabilized in a safe operation current range, under the condition that safety is guaranteed and environment changes in the operation area are mastered in real time, an insulation tool is used for hardware fitting disassembly and installation, and operation result detection is conducted after replacement is completed. And under the condition of confirming that the hardware fitting is installed correctly, the electrical isolation device, the environment monitoring equipment and the current regulation and control equipment are removed, the load of the power system is recovered, and high-safety non-power-cut insulator string hardware fitting replacement is realized.
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Description

Technical Field

[0001] The present application relates to the technical field of insulator string hardware, and in particular to a non-stop insulator string hardware replacement method and a non-stop insulator string hardware replacement protection system. Background Art

[0002] In modern power systems, insulator strings are an important part of power transmission, and their safety and stability are directly related to the safe operation of the power system. However, since the equipment operates under high voltage and harsh environment for a long time, the hardware (such as metal connectors) in the insulator string may need to be replaced due to corrosion, aging or damage. In order to ensure the continuous operation of the power system and the normal maintenance of the equipment, the use of "non-stop" operation to replace the hardware has become an effective solution. Such operations usually require operators to work in a live environment, so safety becomes the primary consideration.

[0003] Traditional live-line work usually requires power outages to replace equipment, which affects social production and economic activities. Although uninterrupted power supply is an ideal choice, in actual operation, it is difficult to replace hardware quickly and efficiently, which in turn affects the maintenance efficiency of the power system. When replacing hardware in a live environment, operators face safety risks such as electrical injuries and equipment failures. In addition, the changes in the environment and equipment conditions during the operation are relatively complex, and the risks are high under traditional operation methods. Summary of the invention

[0004] Based on this, it is necessary to provide a non-stop insulator string fitting replacement method and a non-stop insulator string fitting replacement protection system to ensure operation safety.

[0005] In a first aspect, a method for replacing hardware of an uninterruptible insulator string is provided, the method comprising the following steps:

[0006] Deploy environmental monitoring equipment in the operation area to output real-time monitoring results, including meteorological information, electric field strength and video images corresponding to the operation area;

[0007] When receiving a reminder to start the operation from the central control system, an electrical isolation device is deployed in the operation area; the central control system communicates with the environmental monitoring equipment, and the reminder to start the operation is generated by the central control system when it determines that the environmental conditions in the operation area meet the safety standards based on the real-time monitoring results of the environmental monitoring equipment. The electrical isolation device supports the electrical isolation of the operation area and the live equipment during the removal and installation of hardware by the operators;

[0008] Deploy current control equipment on the line where the insulator string is located in the operation area. The current control equipment is used to adjust the current of the line to stabilize the current of the line within the safe operation current range;

[0009] Use insulating tools to disassemble and install hardware;

[0010] After completing the hardware replacement, conduct the operation result inspection;

[0011] After confirming that the hardware is installed correctly, remove the electrical isolation device, environmental monitoring equipment and current control equipment.

[0012] In a second aspect, a non-stop insulator string fitting replacement protection system is provided, the system comprising:

[0013] Environmental monitoring equipment is deployed in the operation area. The environmental monitoring equipment is used to output real-time monitoring results, including meteorological information, electric field strength and video images corresponding to the operation area;

[0014] The central control system communicates with the environmental monitoring equipment. When the central control system determines that the environmental conditions in the operating area meet the safety standards based on the real-time monitoring results of the environmental monitoring equipment, it will start the operation reminder to prompt the operator to use insulating tools to remove and install the hardware;

[0015] Electrical isolation device, used to electrically isolate the working area from live equipment during the removal and installation of hardware by operators;

[0016] The current regulating equipment is connected to the line where the insulator string in the working area is located, and is used to adjust the current of the line to stabilize the current of the line within the safe working current range.

[0017] In one embodiment, the electrical isolation device comprises:

[0018] Electric field sensor: The electric field sensor is used to measure the electric field strength in the working area;

[0019] An electric isolation board is installed in the working area, and the outer surface of the electric isolation board is wrapped with insulating material. The electric isolation board is connected to the electric field sensor. The electric isolation board is used to adjust the distance from the electric field source according to the electric field strength of the working area so that the electric field strength of the working area is within the safe working range.

[0020] In one embodiment, the non-stop insulator string fitting replacement protection system further includes:

[0021] Personnel safety monitoring equipment, used to obtain real-time information on the safety status of workers;

[0022] The central control system is connected to the personnel safety monitoring equipment. The central control system is used to activate the emergency response mechanism when it is determined based on the safety status information of the operating personnel that it is difficult for the operating personnel to safely complete the replacement of the hardware.

[0023] In one embodiment, the personnel safety monitoring device includes:

[0024] Physiological monitoring equipment, which is used to obtain the physiological parameters of the operators;

[0025] Location tracking equipment, which is used to obtain the location information of the operator;

[0026] The central control system is connected to the physiological monitoring equipment and the position tracking equipment respectively. When the central control system determines that the physiological parameters of the operator are abnormal based on the physiological parameters and / or determines that the current position of the operator is beyond the working area based on the position information, the emergency response mechanism is activated.

[0027] In one embodiment, the central control system is used to alarm and remind the worker to stop working when it is determined that the physiological parameters of the worker are abnormal according to the physiological parameters;

[0028] The central control system is also used to alarm and remind the staff to suspend work when it is determined that the current position of the operator is beyond the working area based on the position information.

[0029] In one of the embodiments, the central control system is used to issue a reminder to delay and suspend the operation when it is determined that the environmental conditions in the operation area do not meet the safety standards based on the real-time monitoring results of the environmental monitoring equipment.

[0030] In one of the embodiments, the current control device is also used to obtain the current of the line, and adjust the current of the line in real time according to the current change trend of the line, so as to stabilize the current of the line within the safe operating current range.

[0031] In one embodiment, the non-stop insulator string fitting replacement protection system further includes:

[0032] Fences are set up around the perimeter of the work area;

[0033] Warning signs are set up outside the working area.

[0034] In one of the embodiments, during the process of operators disassembling and installing hardware, the central control system determines whether the actual operation of the operators complies with the hardware replacement operation specifications based on the video images corresponding to the work area and the preset machine recognition model, and alarms if it is determined that it does not comply with the hardware replacement operation specifications.

[0035] The above-mentioned method for replacing hardware fittings of insulator strings without power outages and the protection system for replacing hardware fittings of insulator strings without power outages. Environmental monitoring equipment is deployed in the operation area to monitor the meteorological information, electric field strength and video images corresponding to the operation area, and the safety of the operation area is evaluated based on the real-time monitoring results. When the environmental conditions meet the safety standards, the central control system starts the operation reminder, and the operator takes subsequent actions. Electrical isolation devices are deployed in the operation area to electrically isolate the operation area from the live equipment, and current control equipment is deployed on the line where the insulator string in the operation area is located to adjust the current of the line so that the current of the line is stable within the safe operation current range. Under the condition of ensuring safety and understanding the real-time changes in the on-site environment, the operator uses insulating tools to disassemble and install the hardware fittings, and the hardware fittings can be replaced in a safe area. After the replacement is completed, the operation results are tested, and when the hardware fittings are confirmed to be installed correctly, the electrical isolation devices, environmental monitoring equipment and current control equipment are released to restore the load of the power system, and a highly safe replacement of hardware fittings of insulator strings without power outages is achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the conventional technology, the drawings required for use in the embodiments or the conventional technology descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0037] FIG1 is a schematic flow chart of a method for replacing hardware of an insulator string without power outage according to one or more embodiments. DETAILED DESCRIPTION

[0038] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0040] It can be understood that the “connection” in the following embodiments should be understood as “electrical connection”, “communication connection”, etc. if the connected circuits, modules, units, etc. have electrical signals or data transmission between each other.

[0041] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" and the like specify the presence of stated features, wholes, steps, operations, components, parts, or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof. At the same time, the term "and / or" used in this specification includes any and all combinations of the relevant listed items.

[0042] Traditional methods have limited means of monitoring the work area, and the safety of workers is difficult to effectively guarantee, especially when environmental conditions change, and potential risks cannot be identified in time. The environment and equipment conditions change more complexly during the operation process, and traditional operation methods lack an efficient emergency response mechanism. In an emergency, workers may not be able to quickly get warnings and take effective safety measures, greatly increasing the risk of accidents.

[0043] In view of the above problems, an embodiment of the present application provides a method for replacing hardware of an insulator string without power outage, as shown in FIG1 , the method comprises the following steps:

[0044] S10, deploying environmental monitoring equipment in the operation area, the environmental monitoring equipment is used to output real-time monitoring results, the real-time monitoring results include meteorological information, electric field strength and video images corresponding to the operation area;

[0045] S20, upon receiving a reminder to start the operation from the central control system, deploy an electrical isolation device in the operation area; wherein the central control system communicates with the environmental monitoring equipment, and the reminder to start the operation is generated when the central control system determines that the environmental conditions in the operation area meet the safety standards based on the real-time monitoring results of the environmental monitoring equipment, and the electrical isolation device supports the electrical isolation of the operation area and the live equipment during the removal and installation of the hardware by the operators;

[0046] S30, deploying a current control device on the line where the insulator string in the operation area is located, the current control device is used to adjust the current of the line so that the current of the line is stabilized within a safe operating current range;

[0047] S40, use insulating tools to dismantle and install hardware;

[0048] S50, after completing the hardware replacement, the operation result is tested;

[0049] S60: After confirming that the hardware is installed correctly, remove the electrical isolation device, environmental monitoring equipment and current control equipment.

[0050] The operation area refers to the area where the insulator string fittings are to be replaced. The operation area is larger than the area where the insulator string fittings are located and covers the area where the insulator string fittings are located. Meteorological information may include but is not limited to environmental factors that affect the safety during the replacement of the insulator string fittings, such as wind speed, temperature, and precipitation. The video screen corresponding to the operation area refers to the video screen that at least covers the area where the insulator string fittings are located.

[0051] The method for replacing hardware fittings of an insulator string without power outages provided in an embodiment of the present application deploys environmental monitoring equipment in the operating area to monitor the meteorological information, electric field strength and video images corresponding to the operating area, evaluates the safety of the operating area based on real-time monitoring results, and when the environmental conditions meet the safety standards, the central control system starts the operation reminder, and the operating personnel perform subsequent actions, deploys electrical isolation devices in the operating area to electrically isolate the operating area from the live equipment, and deploys current control equipment on the line where the insulator string in the operating area is located to adjust the current of the line so that the current of the line is stable within the safe operating current range. While ensuring safety and understanding the real-time changes in the on-site environment, the operating personnel use insulating tools to disassemble and install the hardware fittings, and can complete the hardware fitting replacement in a safe area. After the replacement is completed, the operation results are detected, and when it is confirmed that the hardware is installed correctly, the electrical isolation device, environmental monitoring equipment and current control equipment are released to restore the power system load, thereby achieving high-safety replacement of hardware fittings of insulator strings without power outages.

[0052] In addition, the method provided in the embodiment of the present application can support the online replacement of insulator string hardware in a live environment. Through non-power-off operation, hardware replacement can be completed without interrupting the power supply, avoiding the impact of power outages on social production and economic activities, thereby reducing the losses caused by power outages, improving work efficiency, and saving operation time and costs. And through environmental monitoring equipment, environmental changes can be obtained in real time. At the first time of safety risks, the central control system can remind operators so that the staff can respond quickly and take corresponding emergency measures to improve the emergency response speed.

[0053] In one embodiment, the method further includes:

[0054] In response to a job delay or pause reminder from the central control system, the job is delayed or paused until environmental conditions meet safety standards.

[0055] In one embodiment, before the step S40 of using insulating tools to remove and install the hardware, the following steps are also included:

[0056] The operator shall check the insulation protection equipment item by item to ensure that the insulation protection equipment is intact and effective;

[0057] After confirming that the insulation protection equipment is intact and effective, conduct safety training and emergency drills to ensure that you can respond quickly and take correct emergency measures in case of emergency;

[0058] Operators must wear complete insulating protective equipment.

[0059] Specifically, before the start of the operation, all workers need to check their personal insulation protection equipment item by item to ensure that it is intact and effective, and to ensure that there are no damage or cracks. They must also conduct a voltage test to ensure that it can withstand the high voltage that may occur during the operation, and check the insulation performance of the tools to ensure that the tools can effectively isolate the current when working in a high-voltage environment to prevent the current from being introduced into the workers through the tools.

[0060] After completing the inspection of protective equipment, all operators must receive necessary safety training and emergency drills. The content of safety training includes: Safety regulations: Operators need to understand and be familiar with operating procedures, risk prevention measures and emergency response procedures; Emergency drills: Emergency drills are conducted by simulating real emergency situations to ensure that operators can respond quickly and take correct emergency measures when encountering emergencies.

[0061] After completing safety training and drills, operators need to wear complete insulation protection equipment, ensure that all protective measures are in place, and effectively isolate the current to avoid electric shock accidents caused by current passing through the skin. Operators wear complete insulation protection equipment and start to replace the hardware, using insulating tools to remove and install the hardware. All operations must ensure that the insulation performance of the tools meets safety standards to prevent accidents caused by tool damage or current leakage.

[0062] In one embodiment, the method further includes: before the operators disassemble and install the hardware, setting up fences and warning signs in the operation area to prevent unrelated personnel from entering the operation area and ensure operation safety.

[0063] Specifically, during the removal and installation of hardware, in order to ensure the physical isolation of the work area from the external environment and prevent unauthorized personnel from entering the work area, it is necessary to set up a fence around the work area. The fence can not only physically isolate the entry of outsiders, but also visually remind non-operating personnel to stay away from high-risk areas.

[0064] In one embodiment, after the hardware replacement is completed, the step of performing the operation result detection includes:

[0065] Use testing instruments to test the installed hardware to ensure that the connection between the hardware and the insulator string is firm and reliable.

[0066] In one embodiment, the steps of releasing the electrical isolation device, the environmental monitoring device, and the current control device include:

[0067] Conduct safety inspections in the work area to ensure that there are no tools or equipment left in the work area (including but not limited to the above-mentioned environmental monitoring equipment, electrical isolation devices, current control equipment, tools for disassembling hardware, etc.);

[0068] Release the operation area, restore the power system load, and conduct load operation monitoring to ensure the normal operation of the power system.

[0069] In one embodiment, the method further includes:

[0070] Deploy personnel safety monitoring equipment to monitor the safety status of workers in real time during the operation process.

[0071] The personnel safety monitoring equipment obtains the safety status information of the operators in real time and uploads it to the central control system. When the central control system determines that it is difficult for the operators to safely complete the replacement of the hardware based on the safety status information of the operators, it activates the emergency response mechanism.

[0072] In one embodiment, the personnel safety monitoring device comprises:

[0073] Physiological monitoring equipment, which is used to obtain the physiological parameters of the operators;

[0074] Location tracking equipment, which is used to obtain the location information of the operator;

[0075] The central control system is connected to the physiological monitoring equipment and the position tracking equipment respectively. When the central control system determines that the physiological parameters of the operator are abnormal based on the physiological parameters and / or determines that the current position of the operator is beyond the working area based on the position information, the emergency response mechanism is activated.

[0076] The method for replacing hardware of an insulator string without power outages provided in the embodiment of the present application deploys personnel safety monitoring equipment and environmental monitoring equipment. During the operation, combined with physiological parameter monitoring, position tracking and video monitoring technology, it can monitor the safety status and working environment of the operators in real time. The position information tracking equipment can monitor the activity range of the operators in real time to ensure that the operators are always in a safe area. The video monitoring system can comprehensively monitor the situation at the operation site. When an abnormality is detected, the central control system can automatically trigger an alarm and suspend the operation.

[0077] In one embodiment, the electrical isolation device includes: an electric field sensor, and an electric isolation plate.

[0078] Among them, the electric field sensor is used to measure the electric field strength in the working area; the electric isolation board is installed in the working area, and the outer surface of the electric isolation board is wrapped with insulating material. The electric isolation board is connected to the electric field sensor. The electric isolation board is used to adjust the distance relative to the electric field source according to the electric field strength in the working area so that the electric field strength in the working area is within the safe working range.

[0079] Specifically, the electrical isolation device realizes dynamic electrical isolation between the working area and the energized equipment by combining an electric isolation board, insulating materials and electric field sensors. The electric isolation board automatically adjusts to form a physical barrier before the operation begins to ensure the isolation effect; the insulating material strengthens the isolation effect to prevent current leakage caused by conductive materials; the electric field sensor monitors the electric field strength in real time, and the electric isolation board automatically adjusts the electrical isolation state according to data feedback to ensure that the operator is always in an electrically isolated safe environment during the operation.

[0080] By real-time monitoring of meteorological information, electric field strength, video footage of the work area and other data, we ensure that the work is always carried out in a safe environment. Through the combination of electrical isolation devices and electric field strength sensors, we can effectively avoid electrical interference between the work area and live equipment, significantly reducing the safety risks in live work.

[0081] In one embodiment, a non-stop insulator string hardware replacement protection system is provided, the system comprising: environmental monitoring equipment, a central control system, an electrical isolation device and a current regulation device.

[0082] Among them, environmental monitoring equipment is used to be deployed in the working area, and the environmental monitoring equipment is used to output real-time monitoring results, which include meteorological information, electric field strength and video images corresponding to the working area. The central control system communicates with the environmental monitoring equipment. The central control system is used to start the operation reminder when it determines that the environmental conditions of the working area meet the safety standards based on the real-time monitoring results of the environmental monitoring equipment, so as to prompt the operating personnel to use insulating tools to remove and install the hardware. The electrical isolation device is used to electrically isolate the working area from the live equipment during the removal and installation of the hardware by the operating personnel. The current control device is connected to the line where the insulator string in the working area is located, and is used to adjust the current of the line so that the current of the line is stable within the safe operating current range.

[0083] Specifically, the central control system will automatically authorize the start of the operation when it determines that the environmental conditions meet the safety standards based on the real-time monitoring results, and inform the operator that the current environment of the operation area can be used for subsequent operations by issuing a reminder to start the operation. If the environmental conditions do not meet the safety standards, the central control system will automatically suspend or delay the operation, and wait for the environment to recover to meet the safety standards before issuing a reminder to start the operation, which can prevent the operator from disassembling and replacing the hardware under unsafe conditions. During the operation, the electrical isolation based on the electrical isolation device provides protection for the operation safety of the operation area. In addition, the stability of the current is the key to ensuring the safety of the operation. The current of the line is adjusted by the current control device to ensure the smooth flow of the current and prevent equipment damage or personal injury caused by unstable current. The protection system provided in the embodiment of the present application supports the online replacement of insulator string hardware in a live environment through multi-dimensional information monitoring, in conjunction with the control function of the central control system, the electrical isolation protection function of the electrical isolation device, and the current regulation function of the current control device, with high safety and efficiency.

[0084] In one embodiment, the environmental monitoring device also communicates with a remote command center to upload real-time monitoring results to the remote command center. Through remote monitoring, the command center can obtain the situation of the work site in real time and respond quickly to potential safety hazards.

[0085] For example, it can also monitor whether there are unrelated personnel approaching the work area, detect potential dangers, and notify on-site personnel in a timely manner to prevent accidents during the operation.

[0086] In one embodiment, the central control system determines whether the environmental conditions in the operating area meet the safety standards based on the real-time monitoring results of the environmental monitoring equipment in the following manners:

[0087] Before and during the operation, the meteorological conditions in the operation area must be monitored in real time. Meteorological monitoring equipment will continuously monitor environmental factors such as wind speed, temperature and precipitation. These meteorological factors are key factors in determining whether it is suitable to carry out the operation. For example, too high wind speed may cause equipment damage or loss of balance of operators during the operation, too low temperature may cause the equipment to malfunction, and too much precipitation may reduce the insulation performance and increase the risk of electrical accidents;

[0088] Electric field strength monitoring: Since hardware replacement operations usually occur near live equipment, the electric field strength in the work area must be monitored in real time. The electric field strength monitoring system will continuously obtain electric field strength data around the work area through sensors. Excessive electric field strength will cause electric shock risks to operators, especially when operators are close to live equipment;

[0089] The video surveillance system monitors the work site in real time. For example, it can continuously monitor the dynamic situation of the work area through high-definition cameras. Video surveillance can not only understand the progress of the work in real time, but also monitor the behavior of the operators, the working status of the operating equipment and the changes in the surrounding environment. For example, the central control system or remote command center can timely capture whether the operators follow the safe operating procedures, or whether there are dangers caused by improper operation. This judgment implementation process can be implemented based on machine recognition models. For example, by extracting feature information from the video screen, based on the feature extraction of multiple frames of video screens, the activity trajectory of the operators is determined to determine whether the operating sequence of the operators complies with the safe operating specifications and whether the scope of the operating activities is within the safe operating range.

[0090] Training samples can also be formed based on video footage of historical hardware replacement events, and the training samples can be input into a preset classifier model for training. The classifier model outputs whether the safety operating specifications are followed. Based on the deviation between the predicted results and whether the safety operating specifications are actually followed, the classifier model parameters are adjusted until the deviation between the predicted results and whether the safety operating specifications are actually followed is within a preset deviation range. The trained classifier model is then used as a machine recognition model to predict whether the operator follows the safety operating specifications under real-time video input.

[0091] In one embodiment, the electrical isolation device includes: an electric field sensor, and an electric isolation plate.

[0092] Among them, the electric field sensor is used to measure the electric field strength in the working area; the electric isolation board is installed in the working area, and the outer surface of the electric isolation board is wrapped with insulating material. The electric isolation board is connected to the electric field sensor. The electric isolation board is used to adjust the distance relative to the electric field source according to the electric field strength in the working area so that the electric field strength in the working area is within the safe working range.

[0093] The electric field strength is a key parameter for determining electrical safety near live equipment. If the electric field strength is too high, it may cause electric shock to the operator. The embodiment of the present application monitors the electric field strength in real time. Once the electric field strength exceeds the safety range, it will trigger the automatic adjustment of the electrical isolation device and move the electric isolation plate to ensure effective isolation between the working area and the live equipment.

[0094] Specifically, the movement of the electric isolation plate is based on the principle of adjusting the electric field strength to return to a safe range. When the monitored electric field strength exceeds the safe range, that is, the electric field strength is too large, the electric isolation plate moves to the side close to the electric field source to restore the electric field strength in the working area to a safe range, so as to achieve effective isolation between the working area and the live equipment. Among them, the various range values ​​in the embodiments of the present application can be understood by referring to the insulator string hardware replacement operation specifications, which will not be elaborated here.

[0095] The movement of the electric isolation plate is based on the electric field strength monitored in real time by the electric field sensor. During the entire operation process, the electric isolation plate can be displaced based on the specific conditions of the electric field to ensure that the working area is always in a safe isolation state, thereby ensuring the safety of replacing insulator string fittings in a live environment.

[0096] In one of the embodiments, the non-stop insulator string hardware replacement protection system also includes: personnel safety monitoring equipment.

[0097] Among them, the personnel safety monitoring equipment is used to obtain the safety status information of the operating personnel in real time; the central control system is connected to the personnel safety monitoring equipment, and the central control system is used to activate the emergency response mechanism when it is determined that the operating personnel find it difficult to safely complete the replacement of the hardware based on the safety status information of the operating personnel.

[0098] In one embodiment, the personnel safety monitoring device includes: a physiological monitoring device, and a location tracking device.

[0099] Among them, the physiological monitoring equipment is used to obtain the physiological parameters of the operators (such as the operators' body temperature, heart rate, respiratory rate and vital signs); the position tracking equipment is used to obtain the location information of the operators; the central control system is connected to the physiological monitoring equipment and the position tracking equipment respectively, and the central control system activates the emergency response mechanism when it determines that the physiological parameters of the operators are abnormal based on the physiological parameters, and / or determines that the current position of the operators is beyond the working area based on the location information.

[0100] Specifically, during the operation, the safety of the operators is monitored through the real-time monitoring system, which can comprehensively monitor the operators' behaviors, postures, surrounding environment, etc. The central control system processes and analyzes the transmitted data in real time to determine whether the operators' vital signs are within the normal range. If abnormal conditions such as high body temperature, abnormal heart rate or breathing difficulties are detected, the system will automatically trigger an alarm and start the emergency response mechanism to ensure that the operators are rescued in time. The operators are tracked and monitored through location tracking devices. When the operators exceed the safe area, the central control system will automatically issue an alarm and promptly notify the on-site management personnel to intervene to prevent the operators from entering potential dangerous areas.

[0101] In one embodiment, the emergency response mechanism may be initiated as a reminder mechanism. For example, the central control system is used to alarm and remind the staff to stop working when the physiological parameters of the operator are determined to be abnormal according to the physiological parameters; the central control system is also used to alarm and remind the staff to suspend working when the current position of the operator is determined to be beyond the working area according to the position information.

[0102] When the vital signs of the operator are abnormal, the system automatically triggers an alarm and stops the operation, and cuts off the power supply to the operation area. When the operator is in a dangerous area, the system automatically sounds an alarm and suspends the operation, and resumes the operation after returning to a safe area.

[0103] When the working environment conditions change, the central control system determines whether they meet safety standards based on real-time monitoring data. If they do not meet the standards, an alarm will be automatically issued and operations will be suspended until the environmental conditions return to meet safety standards.

[0104] Specifically, if the central control system detects that the vital signs of the operators are abnormal, the emergency response mechanism will be activated immediately, first triggering an alarm (the alarm method can be based on the on-site alarm device, such as a buzzer, indicator light, etc.) to alert the on-site operators and automatically stop the current operation process to prevent the continuation of operations that may aggravate the problem. At the same time, in order to prevent electrical hazards and protect the safety of operators, the power system will immediately cut off the power supply to the operating area to ensure that the energized equipment in the operating area will not pose a threat to the operators.

[0105] Once the central control system confirms that the operator has entered the dangerous area, the emergency response mechanism will be automatically triggered, the operation will be suspended, and a safety warning (a type of alarm) will be issued to the operator, reminding him to return to the safe area in time. The operation can only be resumed after the operator returns to the specified safe area after ensuring safety;

[0106] In one of the embodiments, the central control system is used to issue a reminder to delay and suspend the operation when it is determined that the environmental conditions in the operation area do not meet the safety standards based on the real-time monitoring results of the environmental monitoring equipment.

[0107] Specifically, if changes in environmental conditions cause the working environment to fail to meet safety standards, the central control system will immediately sound an alarm and automatically suspend the operating process to prevent possible safety accidents during the operation. When the environmental conditions return to normal and meet safety standards, the system will re-evaluate and automatically authorize the resumption of the operation. This process ensures that the operation will not continue in an unsafe environment, effectively preventing accidents.

[0108] In one embodiment, after the central control system collects meteorological information, electric field strength and video surveillance data through environmental monitoring equipment, all data will be transmitted to the central control system. The central control system will compare and analyze these real-time data according to preset safety standards. For example, the system will analyze whether the current meteorological conditions meet the operating standards, such as whether the wind speed is too high, the temperature is too low or the precipitation is too much, and check whether the electric field strength exceeds the safety threshold.

[0109] According to the preset safety standards set by the system, the central control system will conduct a comprehensive evaluation of all collected real-time data to determine whether the working environment meets the requirements of safe operation. If the evaluation results of the central control system show that all environmental conditions meet the preset safety standards, the system will automatically authorize the start of the operation. If the environmental conditions do not meet the safety standards, the system will immediately suspend or delay the operation until the conditions return to a safe state. The control system will continue to monitor the environmental conditions during this period and re-evaluate after the conditions improve to ensure that the operation can be started in a safe environment.

[0110] In one embodiment, the current control device is also used to obtain the current of the line, and adjust the current of the line in real time according to the current change trend of the line, so that the current of the line is stabilized within the safe operating current range. Based on the acquisition of real-time current, the current can be adjusted in real time, thereby ensuring that the current is always stable within the safe operating current range during the operation process, ensuring the safety of the insulator string hardware replacement process.

[0111] In one embodiment, the current regulating device may include: a current sensor.

[0112] Among them, the current sensor is used to monitor the current fluctuation in the operating area in real time, and analyze the current change trend through the central control system. If the current fluctuation exceeds the preset safe operating current range, the central control system will automatically start the current regulation mechanism to adjust the current flow direction, and then adjust the current path to ensure the smooth flow of current and prevent equipment damage or personal injury caused by unstable current. For example, the current regulation equipment can also include shunt and confluence circuits, which are connected in series and parallel with the line where the insulator string is located. The central control system changes the transmission path of the current transmitted by the power supply side, and changes the current of the line where the insulator string is located through shunt and confluence, so that it is stabilized within the safe operating current range.

[0113] It is also possible to place current sensors at key locations in the operation area to obtain current data in real time. When the central control system finds that the current fluctuates, it uses the prediction model and historical data to determine the trend of current changes and adjust the current flow in time to ensure the stability of the current flow. When the monitored current fluctuation exceeds the preset threshold, the system automatically starts the current regulation mechanism. This mechanism automatically adjusts the current flow direction to ensure that the current remains stable and reduces the potential threat of current fluctuations to operation safety.

[0114] In one of the embodiments, the non-stop insulator string hardware replacement protection system also includes: a fence and a warning sign.

[0115] Among them, the fence is set up outside the working area; the warning signs are set up outside the working area.

[0116] When workers enter the work area, they must first check the insulation protection equipment item by item. When wearing complete insulation protection equipment, workers must also undergo special safety training and emergency drills to ensure that they can respond quickly and take correct emergency measures in emergencies. Fences and warning signs are set up in the work area to prevent unauthorized personnel from entering the work area. Workers use insulating tools to disassemble and install hardware. All tools and equipment must comply with electrical safety standards to ensure that no electrical short circuits or other dangerous situations occur during the operation.

[0117] In one of the embodiments, during the process of operators disassembling and installing hardware, the central control system determines whether the actual operation of the operators complies with the hardware replacement operation specifications based on the video images corresponding to the work area and the preset machine recognition model, and alarms if it is determined that it does not comply with the hardware replacement operation specifications.

[0118] In the description of this specification, the description with reference to the terms "some embodiments", "other embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic description of the above terms does not necessarily refer to the same embodiment or example.

[0119] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0120] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A method for replacing hardware of an insulator string without power outage, characterized in that: The method comprises the following steps: Deploy environmental monitoring equipment in the operation area, the environmental monitoring equipment is used to output real-time monitoring results, the real-time monitoring results include meteorological information, electric field strength and video images corresponding to the operation area; When receiving a reminder to start the operation from the central control system, an electrical isolation device is deployed in the operation area; wherein the central control system communicates with the environmental monitoring device, and the reminder to start the operation is generated when the central control system determines that the environmental conditions of the operation area meet the safety standards based on the real-time monitoring results of the environmental monitoring device, and the electrical isolation device supports the electrical isolation of the operation area from the live equipment during the removal and installation of the hardware by the operators; Deploy a current control device on the line where the insulator string in the operation area is located, wherein the current control device is used to adjust the current of the line so that the current of the line is stabilized within the safe operation current range; Use insulating tools to disassemble and install hardware; After completing the hardware replacement, conduct the operation result inspection; After confirming that the hardware is installed correctly, release the electrical isolation device, the environmental monitoring equipment and the current control equipment.

2. A non-stop insulator string hardware replacement protection system, characterized in that: The system comprises: Environmental monitoring equipment is deployed in the operation area, and is used to output real-time monitoring results, including meteorological information, electric field strength and video images corresponding to the operation area; A central control system communicates with the environmental monitoring device, and the central control system is used to start an operation reminder when it is determined that the environmental conditions of the operation area meet the safety standards based on the real-time monitoring results of the environmental monitoring device, so as to prompt the operator to use insulating tools to remove and install hardware in the operation area; An electrical isolation device is used to electrically isolate the working area from live equipment during the removal and installation of hardware by operators; The current regulating device is connected to the line where the insulator string of the operation area is located, and is used to regulate the current of the line so that the current of the line is stabilized within the safe operation current range.

3. The non-stop insulator string hardware replacement protection system according to claim 1 is characterized in that: The electrical isolation device comprises: An electric field sensor, the electric field sensor is used to measure the electric field strength of the working area; An electric isolation plate is installed in the working area, and the outer surface of the electric isolation plate is wrapped with insulating material. The electric isolation plate is connected to the electric field sensor. The electric isolation plate is used to adjust the distance from the electric field source according to the electric field strength of the working area so that the electric field strength of the working area is within a safe working range.

4. The non-stop insulator string hardware replacement protection system according to claim 1 is characterized in that: The system further comprises: Personnel safety monitoring equipment, used to obtain real-time information on the safety status of workers; The central control system is connected to the personnel safety monitoring device, and the central control system is used to start an emergency response mechanism when it is determined, based on the safety status information of the operator, that it is difficult for the operator to safely complete the replacement of the hardware.

5. The non-stop insulator string hardware replacement protection system according to claim 4 is characterized in that: The personnel safety monitoring equipment comprises: A physiological monitoring device, wherein the physiological monitoring device is used to obtain physiological parameters of the operator; A location tracking device, wherein the location tracking device is used to obtain location information of the operator; The central control system is connected to the physiological monitoring device and the position tracking device respectively. When the central control system determines that the physiological parameters of the operator are abnormal based on the physiological parameters, and / or determines that the current position of the operator is beyond the working area based on the position information, the emergency response mechanism is activated.

6. The non-stop insulator string hardware replacement protection system according to claim 5 is characterized in that: The central control system is used to alarm and remind the staff to stop working when the physiological parameters of the staff are determined to be abnormal according to the physiological parameters; The central control system is also used to alarm and remind the staff to suspend the operation when it is determined that the current position of the operator exceeds the operation area according to the position information.

7. The non-stop insulator string hardware replacement protection system according to any one of claims 2 to 6, characterized in that: The central control system is used to issue a reminder to delay and suspend the operation when it is determined, based on the real-time monitoring results of the environmental monitoring equipment, that the environmental conditions in the operation area do not meet the safety standards.

8. The non-stop insulator string hardware replacement protection system according to any one of claims 2 to 6, characterized in that: The current control device is also used to obtain the current of the line, and adjust the current of the line in real time according to the current change trend of the line, so as to stabilize the current of the line within the safe operating current range.

9. The non-stop insulator string hardware replacement protection system according to any one of claims 2 to 6, characterized in that: Also includes: A fence is set up around the periphery of the operation area; A warning sign is arranged at the periphery of the working area.

10. The non-stop insulator string hardware replacement protection system according to any one of claims 2 to 6, characterized in that: During the process of the operator disassembling and installing the hardware, the central control system determines whether the operator's actual operation complies with the hardware replacement operation specifications based on the video images corresponding to the operation area and the preset machine recognition model, and alarms if it is determined that it does not comply with the hardware replacement operation specifications.