Bypass device for low-voltage overhead line operation without power cut

Abstract

The invention provides a bypass device for low-voltage overhead line non-power-cut operation, and the bypass device is characterized in that the bypass device comprises a low-voltage switch box, an insulating copper wire, and an insulating rod; the low-voltage switch box is used for accessing and distributing current in response to user operation; the insulated copper wire is used for respectively connecting the low-voltage switch box and the overhead conductor; and the insulating rod is used for supporting the insulating copper wire, so that the insulating copper wire is connected with the overhead conductor. Necessary maintenance and first-aid repair work can be performed on the low-voltage overhead line without power failure, so that continuity of power supply is ensured, inconvenience and economic loss caused by power failure are reduced, short-circuit and overload protection functions are provided, an operator can monitor and control a bypass device within a safe distance, and safety of the operator is improved. The safety risk of operators during line maintenance and first-aid repair is effectively reduced, and the operation safety and flexibility are improved.

Description

Technical Field

[0001] The present application relates to the technical field of power systems, and in particular to a bypass device for non-stop operation of low-voltage overhead lines. Background Art

[0002] As modern society becomes increasingly dependent on electricity supply, the stability and reliability of power systems have become key indicators for measuring the quality of power services. In low-voltage power systems, overhead lines are one of the main means of power transmission, and their maintenance and emergency repair work are crucial to ensuring the continuity of power supply.

[0003] Currently, maintenance and emergency repairs for low-voltage overhead lines primarily rely on power outages. While this method is technically mature, its negative impacts cannot be ignored. First, large-scale power outages can severely impact user production and daily life, especially in today's highly electricity-dependent society. Second, power outages increase safety risks for workers, especially when working at height. Furthermore, power outages can lead to discontinuities in power supply, impacting the stability and reliability of the power system.

[0004] With economic development and technological advancements, society is placing higher demands on the continuity and reliability of power supply. Users not only expect a stable and reliable power supply, but also expect uninterrupted power supply during power system maintenance and repairs to minimize disruptions to production and daily life. Furthermore, with growing environmental awareness, society is increasingly focused on green power system operation and energy conservation and emission reduction. Therefore, developing a technology that enables uninterrupted maintenance and repair of low-voltage overhead lines has become a pressing need within the power industry.

[0005] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Summary of the Invention

[0006] In response to the above technical problems, the present application provides a bypass device for non-stop power supply operations on low-voltage overhead lines, which can perform necessary maintenance and emergency repairs on low-voltage overhead lines without power outages, thereby ensuring the continuity of power supply, reducing the inconvenience and economic losses caused by power outages, reducing the safety risks of operators when performing line maintenance and emergency repairs, and improving operational safety and flexibility.

[0007] In order to solve the above technical problems, the present application provides a bypass device for non-stop operation of low-voltage overhead lines, comprising a low-voltage switch box, an insulated copper wire and an insulating rod;

[0008] The low-voltage switch box is used to respond to user operations, access and distribute current;

[0009] The insulated copper wire is used to connect the low-voltage switch box and the overhead conductor respectively;

[0010] The insulating rod is used to support the insulated copper wire so as to connect the insulated copper wire to the overhead conductor.

[0011] Further, in some embodiments of the present application, the low-voltage switch box includes a low-voltage circuit breaker, a control panel, and a quick-plug interface;

[0012] The low-voltage circuit breaker is arranged inside the low-voltage switch box and is used to provide short-circuit and overload protection functions for the low-voltage switch box;

[0013] The control panel is integrated above the low-voltage switch box and is used to operate the low-voltage circuit breaker on and off, and monitor voltage and current;

[0014] The quick plug-in interface is provided above the low-voltage switch box and is used to realize the quick connection and withdrawal of the insulated copper wire.

[0015] Furthermore, in some embodiments of the present application, the control panel includes circuit breaker opening and closing operation buttons and a monitoring and display unit, and the monitoring and display unit is used to monitor and display the electrical quantities of the incoming and outgoing lines.

[0016] Furthermore, in some embodiments of the present application, the insulated copper wire is a multi-strand soft copper wire with a corresponding insulating sheath; wherein the colors of the multi-strand soft copper wire are set to correspond to the phases and neutral line in different three-phase power systems.

[0017] Furthermore, in some embodiments of the present application, the diameter and length of the insulated copper wire depend on the maximum unidirectional load current of the substation and installation requirements.

[0018] Furthermore, in some embodiments of the present application, the operating head of the insulating rod adopts a double helix design.

[0019] Furthermore, in some embodiments of the present application, the device further includes a locking module for ensuring a stable connection between the insulated copper wire and the quick-plug interface.

[0020] Furthermore, in some embodiments of the present application, the device further includes an emergency disconnect module for quickly cutting off the current in an emergency.

[0021] Furthermore, in some embodiments of the present application, the device also includes a protective cover for protecting the low-voltage switch box.

[0022] Furthermore, in some embodiments of the present application, the device further includes an identification module for indicating a working status of the bypass device.

[0023] The implementation of the embodiments of the present application has the following beneficial effects:

[0024] As described above, the present application provides a bypass device for non-stop operation of low-voltage overhead lines, comprising a low-voltage switch box, an insulated copper wire, and an insulating rod; wherein the low-voltage switch box is used to respond to user operations, connect and distribute current; the insulated copper wire is used to connect the low-voltage switch box and the overhead conductor respectively; and the insulating rod is used to support the insulated copper wire so that the insulated copper wire is connected to the overhead conductor. The present application provides a bypass device for non-stop operation of low-voltage overhead lines, which can perform necessary maintenance and emergency repair work on low-voltage overhead lines without power outages, thereby ensuring the continuity of power supply and reducing the inconvenience and economic losses caused by power outages. The design of the bypass device includes the short-circuit and overload protection functions of the low-voltage circuit breaker, as well as the use of insulated copper wire and insulating rods, which reduces the safety risks for operators when performing line maintenance and emergency repairs. The use of a quick-plug interface makes the installation of the bypass device quick and convenient, shortens the emergency repair time, and improves the work efficiency. The remote monitoring and operation communication interface on the control panel enables the operator to monitor and control the bypass device from a safe distance, improving the flexibility and safety of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings herein are incorporated into and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the specification, are used to explain the principles of the present application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0026] Figure 1 This is a schematic structural diagram of a bypass device for non-stop operation of a low-voltage overhead line provided in an embodiment of the present application;

[0027] Figure 2 This is another structural schematic diagram of a bypass device for non-stop operation of low-voltage overhead lines provided in an embodiment of the present application.

[0028] Illustration: 10- low voltage switch box; 20- insulated copper wire; 30- insulating rod.

[0029] The purpose of this application, its features, and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings. The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and the accompanying text are not intended to limit the scope of the present application in any way, but rather to illustrate the concepts of this application to those skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0030] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

[0031] It should be noted that, in this document, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprising a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, components, features, and elements with the same name in different embodiments of the present application may have the same meaning or different meanings, and their specific meanings need to be determined by their explanation in the specific embodiment or further combined with the context of the specific embodiment.

[0032] It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0033] In the subsequent description, the use of suffixes such as "module", "component" or "unit" to represent elements is only for the purpose of facilitating the description of the present application and has no specific meaning. Therefore, "module", "component" or "unit" can be used interchangeably.

[0034] At present, the content of low-voltage non-stop power supply operations mainly starts from the household line to the meter box equipment part, while the pole laying, conductor repair, drainage installation and removal on the low-voltage overhead line still need to be carried out in the form of power outage. The main reason for this is that there are many users on the low-voltage overhead line and the load current is large. It is impossible to disconnect the load switches of the rear users at the operation point because the scope is wide and the number is huge. At the same time, low-voltage users now have increasing requirements for power reliability. It has become a trend to quickly isolate faults, minimize the scope of power outages, and quickly restore power. Therefore, more low-voltage operations need to be carried out in a non-stop manner.

[0035] In order to meet the demand for non-stop repair of low-voltage overhead line conductor breakage, drainage line breakage and other faults, an embodiment of the present application provides a bypass device for non-stop operation of low-voltage overhead lines.

[0036] See also Figure 1 , Figure 1 Schematic diagram of the structure of a bypass device for non-stop operation of a low-voltage overhead line provided in an embodiment of the present application. The bypass device for non-stop operation of a low-voltage overhead line provided in this embodiment may specifically include a low-voltage switch box 10, an insulated copper wire 20, and an insulating rod 30;

[0037] The low-voltage switch box 10 is used to respond to user operations, access and distribute current;

[0038] Specifically, the low-voltage switchgear box 10, serving as the control center for the bypass device, includes a low-voltage circuit breaker, a control panel, and a quick-disconnect interface. The low-voltage circuit breaker is responsible for carrying and distributing current, while also providing short-circuit and overload protection to ensure safe circuit operation. The control panel is equipped with circuit breaker opening and closing buttons, as well as a display for monitoring voltage and current, allowing the operator to remotely monitor and control the operating status of the bypass device. The quick-disconnect interface is designed to quickly connect and disconnect the insulated copper wire 20, improving operational efficiency.

[0039] Insulated copper wire 20, used to connect the low-voltage switch box 10 and the overhead conductor respectively;

[0040] Specifically, the insulated copper wire 20 serves as the current transmission medium, connecting the low-voltage switch box 10 and the overhead conductors. It utilizes multi-stranded soft copper wire with an insulating sheath to ensure safe operation in high-voltage environments. The wire diameter and length are designed to meet the maximum single-phase load current and installation requirements of the substation. Two ends of the insulated copper wire 20 are connected to the low-voltage switch box 10 via quick-disconnect connectors, and the other end is connected to the overhead conductors, forming a bypass path for the current.

[0041] an insulating rod 30 for supporting the insulated copper wire 20 so as to connect the insulated copper wire 20 to the overhead conductor;

[0042] Specifically, the insulating rod 30 supports the insulated copper wire 20 and connects it to the overhead conductor. It possesses sufficient dielectric and mechanical strength to support pole climbing operations on 0.4kV conductors. Its double-helix design enhances the secure connection to the insulated copper wire 20, while its operating head can be rotated to accommodate installation at various angles. One end of the insulating rod 30 is connected to the insulated copper wire 20, while the other end is connected to the overhead conductor, ensuring smooth current flow through the bypass device.

[0043] In a specific embodiment, the low-voltage switch box 10 is connected to one end of the insulated copper wire 20 through a quick-plug interface to form a current input point. The other end of the insulated copper wire 20 is connected to the overhead conductor through an insulating rod 30 to form a current output point. When the low-voltage circuit breaker is closed, the current is transmitted from the low-voltage switch box 10 through the insulated copper wire 20 to the insulating rod 30, and then flows into the overhead conductor, realizing current bypass without power outage. The control panel allows the operator to monitor the working status of the bypass device and perform operations when necessary, such as opening or closing the circuit breaker. In addition, the low-voltage switch box 10, the insulated copper wire 20 and the insulating rod 30 are all made of weather-resistant materials to adapt to outdoor environments.

[0044] The bypass device provided in this embodiment for non-stop operation of low-voltage overhead lines allows line maintenance and emergency repairs without interrupting the power supply, significantly improving the reliability of power supply; through built-in short-circuit and overload protection functions, as well as insulation design, safety risks during operation are greatly reduced.

[0045] Further, in some embodiments, the low-voltage switch box includes a low-voltage circuit breaker, a control panel, and a quick-plug interface;

[0046] The low-voltage circuit breaker is installed inside the low-voltage switch box and is used to provide short-circuit and overload protection for the low-voltage switch box;

[0047] The control panel is integrated above the low-voltage switch box and is used to operate the low-voltage circuit breaker on and off, as well as monitor voltage and current;

[0048] The quick-plug interface is located above the low-voltage switch box and is used to quickly connect and disconnect insulated copper wires.

[0049] Specifically, such as Figure 2 As shown, the low-voltage switch box provided in this embodiment may specifically include a low-voltage circuit breaker, a control panel and several quick-plug interfaces, wherein the low-voltage circuit breaker is arranged inside the low-voltage switch box and has the ability to automatically cut off the circuit to prevent the occurrence of short circuit and overload, thereby protecting the circuit from damage; the control panel is integrated into the upper part of the low-voltage switch box or in a position that is easy to operate, providing a user interface for manually or automatically controlling the opening and closing of the low-voltage circuit breaker, and real-time monitoring and display of electrical quantities such as voltage and current of the incoming and outgoing lines; the quick-plug interface is arranged on the upper part or side of the low-voltage switch box, and is designed to realize the rapid connection and exit of the insulated copper wire, thereby improving work efficiency and reducing connection time.

[0050] The short-circuit and overload protection functions of the low-voltage circuit breaker in this embodiment can quickly cut off the circuit under abnormal circumstances, prevent equipment damage and ensure the safety of operators; the integrated design of the control panel allows operators to easily perform circuit breaker opening and closing operations, while monitoring the circuit status in real time, improving the convenience and intuitiveness of operation; the design of the quick-plug interface allows operators to quickly connect or disconnect insulated copper wires, reducing the time for job preparation and finishing, and improving work efficiency; the monitoring and display unit on the control panel can display key electrical parameters such as voltage and current in real time, allowing operators to understand the circuit status in a timely manner and make corresponding operational decisions; the control panel can integrate more functions, such as a remote monitoring interface, to adapt to different working environments and needs; through the monitoring and operation functions of the control panel, maintenance personnel can quickly locate and troubleshoot faults, reducing power outage time; the control panel can be customized according to the specific needs of the user, providing a more personalized operating experience; the design of the quick-plug interface takes into account the outdoor working environment and can maintain stable connection performance under adverse weather conditions.

[0051] Furthermore, in some embodiments, the control panel includes circuit breaker opening and closing operation buttons and a monitoring display unit, and the monitoring display unit is used to monitor and display the electrical quantities of the incoming and outgoing lines.

[0052] Specifically, the control panel in this embodiment is provided with intuitive operation buttons, such as circuit breaker opening and closing operation buttons, which are used to manually control the opening and closing status of the low-voltage circuit breaker. These buttons are designed to be easy to identify and operate, ensuring that the operator can quickly control the circuit breaker. The control panel integrates an advanced monitoring and display unit that can monitor and display key electrical parameters such as voltage and current of the incoming and outgoing lines of the low-voltage switch box in real time. The display unit uses a highly readable screen that can clearly display information even under strong light. The monitoring and display unit can provide accurate electrical quantity readings, including but not limited to current, voltage, power, etc., to provide the operator with comprehensive circuit status information. In addition, the user interface design of the control panel takes into account the intuitiveness and convenience of operation, ensuring that even non-professionals can easily understand and operate it. The control panel can also integrate other functions, such as fault alarms, historical data recording, remote communication interfaces, etc., to meet more advanced monitoring and control needs.

[0053] This embodiment provides intuitive circuit breaker opening and closing operation buttons to reduce the risk of misoperation and improve operational safety; the real-time electrical quantity monitoring function of the monitoring display unit enables operators to promptly understand the circuit status and make correct operational decisions; the highly readable screen and user-friendly interface design enhance the operator's experience; the fault alarm function can promptly notify the operator when a circuit abnormality occurs, speeding up fault response; the historical data recording function can help maintenance personnel analyze circuit usage and fault modes, thereby improving maintenance efficiency; the remote communication interface supports connection to the central monitoring system to achieve remote monitoring and control, adapting to the needs of modern smart grids; through real-time monitoring and timely fault response, the power outage time caused by circuit abnormalities is reduced, and the reliability of the entire power system is enhanced.

[0054] Furthermore, in some embodiments, the insulated copper wire is a multi-strand soft copper wire with a corresponding insulating sheath; wherein the colors of the multi-strand soft copper wire are set to correspond to different phases and neutral lines in a three-phase power system.

[0055] Specifically, the insulated copper wire in this embodiment adopts multi-strand soft copper wire with corresponding insulating sheath to ensure safe use in high-voltage environments. Among them, the color of the insulated copper wire is set to correspond to each phase and neutral line in different three-phase power systems, where A corresponds to yellow, B corresponds to green, C corresponds to red, and the neutral line N corresponds to black, so as to facilitate quick identification and correct wiring on site. The insulating sheath design of the insulated copper wire provides an additional layer of protection to prevent electrical short circuits and accidental electric shocks, and also resists the erosion of the copper wire by environmental factors. The wire diameter and length of the insulated copper wire are customized according to the maximum single-phase load current and installation requirements of the substation to ensure that it can carry the required current while adapting to different installation environments and distances.

[0056] This embodiment proposes the use of multi-strand soft copper wire with an insulating sheath, which provides enhanced insulation protection and reduces the risk of electrical failure and electric shock; the color coding system makes the identification of different phases and neutral wires intuitive and simple, reduces the possibility of operational errors, and improves work efficiency; the customized design of the wire diameter and length of the insulated copper wire enables it to adapt to different loads and installation conditions, increasing the versatility and applicability of the bypass device; the insulating sheath not only provides electrical insulation, but also protects the copper wire from mechanical damage and environmental factors such as ultraviolet rays, temperature changes and chemical corrosion, thereby extending the service life of the copper wire; quick identification and connection of insulated copper wire reduces on-site operation time and improves the efficiency of non-stop operations; customized wire diameter and length make insulated copper wire easier to manage and maintain, simplifying inventory management and on-site preparation; insulated copper wire of appropriate specifications ensures stable operation of the circuit during bypass operation and reduces power supply interruptions caused by line problems.

[0057] Furthermore, in some embodiments, the diameter and length of the insulated copper wire depend on the maximum unidirectional load current of the substation and installation requirements.

[0058] Specifically, the wire diameter and length of the insulated copper wire in this embodiment are customized according to the single-phase maximum load current and installation requirements of the substation to ensure that it can carry the required current and adapt to different installation environments. The wire diameter of the insulated copper wire is designed to meet or exceed the requirements of the single-phase maximum load current of the substation to ensure electrical safety and efficiency during bypass operation. The length of the insulated copper wire is determined according to the specific layout of the overhead line and the installation location of the bypass device to ensure sufficient length for safe connection while avoiding unnecessary looseness. The selection and design of the insulated copper wire takes into account the heat generated by long-term current carrying, ensuring the stability and heat resistance of the material during continuous operation. The length and wire diameter design of the insulated copper wire takes into account the convenience of on-site installation, so that the bypass device can be quickly deployed, reducing on-site operation time and complexity.

[0059] In this embodiment, the insulated copper wire with appropriate wire diameter can safely carry the designed load current and reduce the risk of overheating and electrical failure; the wire diameter design meets the maximum load current requirements, ensuring the operating efficiency of the bypass device under high load; the customized length design enables the insulated copper wire to adapt to different overhead line layouts, improving the applicability and flexibility of the bypass device; the appropriate length design reduces the time for on-site adjustment and connection, and improves operational efficiency; the material and structural design of the insulated copper wire take into account the durability of long-term use, resists the erosion of environmental factors, and extends the service life; the durable insulated copper wire reduces the replacement frequency, thereby reducing long-term maintenance costs; the appropriate wire diameter and length design ensure that the bypass device can operate reliably under various conditions, reducing power supply interruptions caused by line problems.

[0060] Furthermore, in some embodiments, the operating head of the insulating rod adopts a double helix design.

[0061] Specifically, the operating head of the insulating rod in this embodiment adopts a double helix design, which improves the connection stability and operational convenience with the insulated copper wire. The double helix structure design of the insulating rod provides a stronger clamping force, ensuring that the connection between the insulated copper wire and the insulating rod is firm at different angles and positions, reducing the risk of electrical failure due to unstable connection. The design of the operating head of the insulating rod takes into account versatility and can adapt to insulated copper wires of different diameters and shapes, increasing the versatility of the bypass device. The design of the insulating rod fully considers the adaptability in the actual working environment, whether in a straight section or at a corner, it can ensure the stable operation of the bypass device. The material selection and manufacturing process of the insulating rod ensure excellent insulation performance and prevent the possibility of current leakage and electrical short circuit.

[0062] It can be seen that the double helix design adopted in this embodiment significantly improves the connection stability between the insulating rod and the insulated copper wire, reducing safety hazards during operation; the double helix structure simplifies the installation and disassembly process, improves operation efficiency, and reduces the technical requirements of operators; the multifunctional design of the insulating rod operating head enables it to adapt to insulated copper wires of various specifications, thereby increasing the applicability of the bypass device; the design of the insulating rod enables it to adapt to different installation angles and positions, including complex environments such as straight lines and corners, ensuring the stable operation of the bypass device; excellent insulation performance reduces the risk of electrical failures and ensures the safety of operators and power systems; due to the improvement of connection stability and insulation performance, maintenance requirements caused by connection problems are reduced, and maintenance costs are reduced; the stable connection and good insulation performance work together to improve the reliability of the entire bypass device in non-stop operation and reduce power outage time caused by equipment failure.

[0063] Furthermore, in some embodiments, the device further includes a locking module for ensuring a stable connection between the insulated copper wire and the quick-plug interface.

[0064] Specifically, this embodiment also provides a locking module, which is an important component of the bypass device and is designed to provide an additional fixing and locking mechanism when the insulated copper wire is connected to the quick-plug interface. Through the use of the locking module, loosening of the connection due to external force or vibration can be prevented, ensuring stable transmission of current during bypass operation. The locking module is designed to be able to respond quickly, facilitating the rapid connection or release of the insulated copper wire when needed, while maintaining the reliability of the connection. The design of the locking module takes into account insulated copper wires of different sizes and shapes, and provides a wide range of adaptability to accommodate bypass devices of different specifications. The operation design of the locking module is simple and intuitive, allowing operators to quickly and accurately complete the connection or disconnection operation even in an emergency.

[0065] This embodiment significantly improves the connection stability between the insulated copper wire and the quick-plug interface by proposing to add a locking module, reducing the risk of electrical failure caused by unstable connection; the stable connection reduces the possibility of current leakage and improves the safety of the entire bypass device; the quick connection and release characteristics make the deployment and removal of the bypass device faster, improving operational efficiency; the wide adaptability of the locking module enables the bypass device to adapt to insulated copper wires of various specifications, increasing the versatility of the device; the simple and intuitive operation design reduces the technical requirements of the operator, simplifies the operation process, and reduces the possibility of operational errors; because the locking module improves the stability of the connection, the maintenance and inspection requirements caused by connection problems are reduced, thereby reducing maintenance costs; the stable connection ensures that the bypass device can operate reliably under various conditions, reducing power supply interruptions caused by unstable connection.

[0066] Furthermore, in some embodiments, the device further includes an emergency disconnect module for quickly cutting off the current in an emergency.

[0067] Specifically, this embodiment adds an emergency disconnect module on the original basis. As an important safety component in the bypass device, it is designed to quickly cut off the current when an abnormal situation is detected or the operator issues an emergency command to prevent the occurrence or expansion of accidents. The module has a rapid response mechanism that can cut off the current in a very short time, thereby minimizing potential damage. The emergency disconnect module is designed to be easy to operate and can quickly execute the disconnect command whether it is manually operated or automatically triggered. The emergency disconnect module can be integrated with the control system of the bypass device to achieve automatic monitoring and response, thereby improving the intelligence level of the system. The emergency disconnect module is equipped with clear identification and warning systems to ensure that operators can quickly identify and use it when necessary.

[0068] The emergency disconnect module provided in this embodiment can quickly cut off the current under abnormal circumstances, effectively prevent the occurrence of electrical accidents, and ensure the safety of operators and equipment; the rapid response mechanism ensures that immediate action can be taken in an emergency, reducing the impact on the power system and users; the simplified operating process makes the emergency disconnect module easy to use and can be quickly executed even in high-voltage and emergency working environments; integration with the control system improves the intelligence level of the bypass device and realizes automatic monitoring and response to emergencies; clear safety signs and warning systems enhance the operator's confidence in the safety of the bypass device and improve the reliability of operations; by reducing damage caused by emergencies, the emergency disconnect module helps to reduce long-term maintenance and repair costs; as an important component of the bypass device, the emergency disconnect module improves the reliability and stability of the entire system.

[0069] Furthermore, in some embodiments, the device further includes a protective cover for protecting the low-voltage switch box.

[0070] Specifically, the present embodiment also provides a protective cover for protecting the low-voltage switch box, which is specially designed to protect the low-voltage switch box from damage by external environmental factors, such as dust, moisture, impact, etc. The protective cover provides sealed protection to prevent moisture and contaminants from entering the interior of the low-voltage switch box, thereby avoiding electrical failures or equipment damage caused by environmental factors. The design of the protective cover can withstand a certain degree of physical impact and protect internal components from damage caused by accidental impact or falling. The material and construction of the protective cover have good weather resistance and can adapt to various climatic conditions, including high temperature, low temperature, ultraviolet radiation, etc. The protective cover is designed to be easy to disassemble and install, facilitate equipment maintenance and inspection, and ensure rapid restoration of service. The protective cover may also include a transparent portion or observation window, so that the operator can observe the indications and status of the control panel without opening the protective cover.

[0071] The protective cover provided in this embodiment prevents direct damage to the low-voltage switch box by external factors, reducing the risk of electrical failure; by resisting physical impact and environmental erosion, the protective cover extends the service life of the low-voltage switch box; the sealed protection prevents the intrusion of dust and moisture, maintaining the performance and stability of the internal components of the equipment; the protective cover reduces equipment damage caused by environmental factors, thereby reducing the frequency and cost of maintenance and replacement; the easy-to-remove design of the protective cover simplifies the maintenance and inspection process and improves operational efficiency; the protective cover ensures that the low-voltage switch box can operate reliably under various environmental conditions, reducing power outages caused by environmental factors; even under severe weather conditions, the protective cover can ensure the normal operation of the bypass device and ensure the continuity of power supply.

[0072] Furthermore, in some embodiments, the device further includes an identification module for indicating the working status of the bypass device.

[0073] Specifically, this embodiment provides an identification module for indicating the working status of the bypass device. The identification module is an important component of the bypass device for clearly displaying the working status, and is designed to be easy to observe and identify. The identification module can provide visual or auditory signals to indicate the current working status of the bypass device, such as power on, power off, fault, etc. In addition, considering the working environment at night or in low light, the identification module can also include built-in lighting or reflective materials to ensure clear visibility at night. The identification module can not only indicate the power-on status, but also display other status required for faults or maintenance, providing comprehensive information for operators. The identification module is integrated with the control panel, and the operator can directly obtain real-time status information of the bypass device on the control panel. The design of the identification module takes into account compatibility with the remote monitoring system and can be seamlessly connected to the smart grid management system.

[0074] This embodiment helps operators accurately understand the real-time status of the bypass device through clear working status indication, avoids misoperation and improves safety; the multi-state indication function enables operators to quickly identify and respond to different working conditions, including emergencies; the night visibility design ensures that the working status of the bypass device can be clearly identified even in low-light environments; the integrated design and easy-to-identify indications improve the operator's control and monitoring experience of the bypass device; by quickly identifying fault conditions, the identification module facilitates timely maintenance and repair, reducing downtime and maintenance costs; accurate working status indication helps ensure that the bypass device can operate reliably under various conditions and reduce power supply interruptions; compatibility with remote monitoring systems facilitates smart grid management and helps to realize the intelligence and automation of the power grid.

[0075] In a specific embodiment, this embodiment provides a bypass device for non-stop operation of low-voltage overhead lines, comprising a low-voltage switch box, insulated copper wire, and an insulating rod. The low-voltage switch box includes a low-voltage circuit breaker, a control panel, and a quick-plug interface. The capacity of the low-voltage circuit breaker should be able to meet the maximum load current of the substation and should have short-circuit and overload protection functions. The control panel should be equipped with circuit breaker opening and closing operation buttons, and electrical quantity monitoring displays such as the voltage and current on both sides of the incoming and outgoing lines. The quick-plug interface should allow for the rapid connection and removal of the insulated copper wires on both sides of the device's incoming and outgoing lines. The insulated copper wires are multi-strand soft copper wires with insulating sheaths. The A, B, C, and N phase colors should correspond to yellow, green, red, and black. At the same time, the wire diameter should be able to meet the maximum single-phase load current of the substation, and the length should also be sufficient to be mounted on a pole to connect both ends of the bypass device to the overhead conductor. The insulation strength and mechanical strength of the insulating rod should be sufficient for pole installation on a 0.4kV conductor. A double-helix insulating rod is used, and the connection between the insulating rod and the insulated copper wire should be convenient and secure.

[0076] This embodiment can solve the problem of uninterrupted power supply repair of low-voltage overhead line conductor breakage, drainage line breakage and other faults through the development of a bypass device for non-stop power supply operation of low-voltage overhead lines. Bypass devices are installed on both sides of the break before the operation, and the load current on the line passes through the bypass device, thereby realizing uninterrupted power supply repair of conductor breakage, drainage line breakage and other faults in a low-voltage non-stop power supply manner. It not only avoids the time-consuming and labor-intensive operation of line operation and maintenance, but also avoids the risks of electric shock and falling from height in many operations; and the key is that during the entire emergency repair operation process, the low-voltage users in the substation do not need to have power cut off, which greatly improves the reliability of the low-voltage power supply and greatly improves customer satisfaction.

[0077] The key technical points of this embodiment are: first, the current carrying capacity of the line used in the bypass device can meet the maximum single-phase load current of the substation; second, the bypass device must also be equipped with a low-voltage circuit breaker that meets the maximum load; and third, the bypass line connection on both sides of the operation point must be convenient and secure. The technical innovation of this embodiment is to connect the two sides of the operation point through the bypass device before the diversion installation, removal, and conductor repair operations are carried out, allowing the load current of the users at the rear of the operation point to pass through the bypass, thereby creating conditions for the diversion installation, removal, and conductor repair operations to be carried out without power outages.

[0078] To sum up, compared with the prior art, the bypass device provided in this embodiment for non-stop operation of low-voltage overhead lines has the following advantages: the low-voltage circuit breaker has short-circuit and overload protection functions, the low-voltage switch has a voltage and current monitoring panel and a circuit breaker operation panel, and the double-helix design of the insulating rod operating head can make the entire bypass device highly safe; the low-voltage switch box has a quick-plug interface, which can make the bypass device installation quick, convenient and reliable, and the installation of the bypass device can realize the rapid restoration of power to the low-voltage overhead wire when it is broken; the low-voltage switch box has a quick-plug interface, and the double-helix design of the insulating rod operating head enhances the reliability of the use of the entire bypass device; the operation control panel design, the quick plug-in and unplugging of the insulated copper wire, and the separate storage of the insulating rod, the insulated copper wire, and the low-voltage switch box have greatly improved operability and portability.

[0079] That is, the above description is merely an embodiment of the present application and does not limit the patent scope of the present application. Any equivalent structural or equivalent process transformations made using the contents of the description and drawings of this application, such as the mutual combination of technical features between the various embodiments, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

[0080] In addition, for structural elements with the same or similar characteristics, this application may use the same or different reference numerals to identify them. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features. In the description of this application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0081] In this application, the word "for example" is used to mean "serving as an example, instance, or illustration." Any embodiment described in this application as "for example" is not necessarily to be construed as preferred or advantageous over other embodiments. The above description is provided to enable any person skilled in the art to implement and use this application. In the above description, various details are listed for the purpose of explanation.

[0082] It should be understood that one of ordinary skill in the art will recognize that the present application can be practiced without using these specific details. In other embodiments, well-known structures and processes are not described in detail to avoid obscuring the description of the present application with unnecessary details. Therefore, the present application is not intended to be limited to the embodiments shown, but is intended to be consistent with the widest scope consistent with the principles and features disclosed in this application.

Claims

1. A bypass device for non-stop operation of low voltage overhead lines, characterized in that: It includes low voltage switch box, insulated copper wire and insulating rod; The low-voltage switch box is used to respond to user operations, access and distribute current; The insulated copper wire is used to connect the low-voltage switch box and the overhead conductor respectively; The insulating rod is used to support the insulated copper wire so that the insulated copper wire is connected to the overhead conductor.

2. The bypass device for non-stop operation of low-voltage overhead lines according to claim 1, characterized in that: The low-voltage switch box includes a low-voltage circuit breaker, a control panel and a quick-plug interface; The low-voltage circuit breaker is arranged inside the low-voltage switch box and is used to provide short-circuit and overload protection functions for the low-voltage switch box; The control panel is integrated above the low-voltage switch box and is used to operate the low-voltage circuit breaker and monitor the voltage and current; The quick-plug interface is arranged above the low-voltage switch box and is used to realize the quick connection and withdrawal of the insulated copper wire.

3. The bypass device for non-stop operation of low-voltage overhead lines according to claim 2 is characterized in that: The control panel includes a circuit breaker opening and closing operation button and a monitoring display unit, and the monitoring display unit is used to monitor and display the electrical quantity of the incoming and outgoing lines.

4. The bypass device for non-stop operation of low-voltage overhead lines according to claim 1, characterized in that: The insulated copper wires are multiple strands of soft copper wires with corresponding insulating sheaths; wherein the colors of the multiple strands of soft copper wires are set to correspond to the phases and neutral line in different three-phase power systems.

5. The bypass device for non-stop operation of low-voltage overhead lines according to claim 1, characterized in that: The wire diameter and length of the insulated copper wire depend on the maximum unidirectional load current of the substation and installation requirements.

6. The bypass device for non-stop operation of low-voltage overhead lines according to claim 1, characterized in that: The operating head of the insulating rod adopts a double helix design.

7. The bypass device for non-stop operation of low-voltage overhead lines according to claim 2, characterized in that: The device also includes a locking module for ensuring a stable connection between the insulated copper wire and the quick-plug interface.

8. The bypass device for non-stop operation of low-voltage overhead lines according to claim 1, characterized in that: The device also includes an emergency disconnect module for quickly cutting off the current in an emergency.

9. The bypass device for non-stop operation of low-voltage overhead lines according to claim 1, characterized in that: The device also includes a protective cover for protecting the low-voltage switch box.

10. The bypass device for non-stop operation of low-voltage overhead lines according to claim 1, characterized in that: The device further comprises an identification module for indicating the working state of the bypass device.

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