368 results about "Electrical malfunction" patented technology

The invention relates to the technical field of electrical fault diagnosis, and discloses an electrical system fault diagnosis method based on multiple parameters. According to the method, multi-dimensional operation parameters of an electrical system are collected, wherein the multi-dimensional operation parameters comprise voltage waveform data, current waveform data and temperature distribution data; time-frequency conjoint analysis is carried out on the multi-dimensional operation parameters, and multi-scale electrical features are extracted and comprise steady-state feature components and transient feature components; based on a historical fault case library, performing mode matching on the multi-scale electrical characteristics to generate an initial fault type set; performing confidence evaluation on the fault types in the initial fault type set by using a dynamic weight distribution algorithm, and screening out high-confidence fault types; and according to the high-confidence fault type, a fault evolution path model is constructed, and the fault evolution path model is used for describing a time sequence of fault features.

The invention relates to the technical field of intelligent early warning, and discloses an aviation case electrical safety intelligent early warning method, device and equipment and a storage medium. The method comprises the following steps: carrying out voltage, current, temperature and vibration parameter acquisition on a wiring row position, an input wiring terminal position and a zero sequence current transformer installation position of the aviation intelligent distribution box to obtain an electrical parameter data set; executing dynamic adjustment of an electrical safety detection threshold to obtain an aviation environment adaptability threshold parameter; performing feature extraction on the electrical parameter data set to obtain electrical parameter abnormal features; performing electrical fault mode matching and positioning analysis on the electrical parameter abnormal characteristics to obtain fault type, position and severity information; and generating a target early warning response strategy of the aviation intelligent distribution box in combination with the flight stage characteristics of the aircraft. According to the invention, a complete electrical safety protection system is constructed, the false alarm rate and the missing report rate are significantly reduced, and the safety protection capability of the aviation intelligent distribution box electrical system is improved.

The invention discloses a double-closed-loop cooperative control method of a direct-drive electric chassis and a power system, relates to the technical field of power control of electric special vehicles, and provides a rotating speed and torque double-closed-loop cooperative control architecture, and realizes double-core real-time cooperative operation and dynamic optimization of motor output characteristics through a 32-bit processor. A direct-drive transmission structure is combined, a traditional speed reduction device is omitted, a flat wire motor directly drives a rear axle through a transmission shaft, and a four-in-one controller is matched, so that the system loss is reduced by 33%, and the power density is improved by 15%; on the basis of real-time temperature / electric quantity data of a lithium iron phosphate battery management system, control parameters are adaptively adjusted, and the bottleneck of performance attenuation in a low-temperature environment of-35 DEG C is broken through; and a high-voltage interlocking and insulation monitoring module is integrated, and an emergency hydraulic system is automatically switched when an electrical fault occurs, so that multi-stage safety guarantee is formed. According to the technology, the energy recovery efficiency is remarkably improved by 20%, and the wind resistance stability and the extreme environment reliability are effectively enhanced.

The invention relates to the field of online fault detection and alarm, and particularly discloses an online fault detection and alarm system and method for a low-voltage distribution box. The method comprises the following steps: firstly, acquiring incoming line voltages of the low-voltage distribution box at a plurality of preset time points acquired by a sensor, outgoing line voltages of the low-voltage distribution box at a plurality of preset time points acquired by the sensor, and an arc light signal oscillogram of the low-voltage distribution box acquired by an arc light sensor; and finally, a classification result is obtained through the classifier to judge whether the low-voltage distribution box has an electrical fault or not, so that accurate diagnosis of the electrical fault is realized, the maintenance cost is reduced, the service life of equipment is prolonged, and the reliability and safety of the equipment are improved.

The invention relates to the technical field of electrical fault positioning, in particular to an urban rail train relay state online monitoring method and system. The specific implementation process comprises the following steps: collecting coil current, contact voltage, load current and environment vibration signals by using an electrical sensor group; when the coil current is subjected to step change, intercepting an electromechanical characteristic data set; arc energy and contact resistance fluctuation characteristics are calculated, correlation analysis is carried out in combination with environment vibration signals, and passive fluctuation and active fluctuation are distinguished; and establishing a multi-factor health degree evaluation model, dynamically adjusting the arc energy and the weight coefficient of the contact resistance according to the magnitude of the load current and the vibration intensity, monitoring the health state of the relay in real time, and predicting the residual life. Through multi-dimensional data synchronous acquisition and vibration decoupling, the interference of mechanical vibration on electrical performance monitoring is effectively eliminated, the problem that a dynamic working condition cannot be reproduced in an off-line test is improved, and the accuracy of relay state evaluation and service life prediction is remarkably improved.

The invention relates to the technical field of intelligent circuit breakers, in particular to a holographic monitoring method based on a circuit breaker intelligent algorithm. The method comprises the steps of collecting operation data of a line where the circuit breaker is located; performing data preprocessing on the operation data; performing data processing on the preprocessed operation data to obtain monitoring parameters; holographic monitoring is carried out on an electrical fault according to the monitoring parameters; wherein when the operation data is preprocessed, a dual-frequency injection method is adopted to realize the separation of resistive residual current, a 2kHz high-frequency test signal is superposed on the basis of a fundamental wave frequency, and the resistive residual current is separated; meanwhile, an intelligent algorithm is adopted to carry out de-noising processing on the signal, that is, a dynamic threshold value is adopted to carry out wavelet de-noising processing, and an interlayer correlation coefficient is fused into wavelet threshold value calculation, so that self-adaptive protection of fault features is realized, and subsequent accurate power grid holographic monitoring is facilitated.

The invention discloses an electrical fault detection method and system applied to electrical equipment, electronic equipment and a readable storage medium thereof, and relates to the technical field of electrical detection, and the method comprises the steps: collecting the operation data of the electrical equipment in real time; the waveform deviation degree is calculated, if the waveform deviation degree of any operation data and the normal working condition data is larger than a fault threshold value, it is judged that suspicious operation data exist in the equipment, and multi-dimensional fault diagnosis is triggered; the multi-dimensional fault diagnosis comprises the following steps: generating a candidate fault type set; constructing a fault-oriented directed chain in the candidate fault type set; calculating a posterior index of each candidate fault type in the candidate fault type set by adopting a causal reasoning formula; and comprehensively evaluating the fault risk of the equipment component in the power equipment based on the equipment component main body corresponding to each candidate fault type in combination with the posterior index of each candidate fault type. The method has the advantages that the incidence relation between fault types is deeply mined through a causal reasoning mechanism, and the diagnosis precision and systematicness are remarkably improved.

The present invention pertains to methods for operation, maintenance, and monitoring of rotating electrical machines, and relates to a system and a method for monitoring the operational condition and detecting mechanical, electrical, load, and process faults in rotating electrical machines. The proposed system and method, together, provide a more effective way to detect faults early on, with greater installation convenience and scalability than prior art methods, and are more efficient in avoiding production losses, improving operational performance and preventing damage to equipment and risks to operators. The developed method continuously collects electrical current and voltage signals that power the machine, utilizing a data acquisition module and current and voltage transformers. The collected data undergoes stages of compression, encryption, application of Fast Fourier Transform (FFT), subsampling, feature extraction, anomaly detection using statistical and machine learning techniques, and fault classification using machine learning techniques. The proposed system consists of one or more data acquisition modules, one or more gateway devices, a processing center on a cloud computing platform, and an operator interface. In an industrial application, the method can be continually improved with the collection of new data and with validation information from an operator in the face of an identified fault.

The invention, which relates to the technical field of the electric meter box, discloses a plugging protection type electric meter box comprising an installation device. According to the pluggable protection type electric meter box, through the design of the installation device, the electric meter cabinet is arranged between the two sliding frames, the sliding frame at the bottom is used for bearing the electric meter cabinet, the two sides of the electric meter cabinet are extruded through the clamping mechanism, so that the effect of clamping equipment is achieved, the protection mechanism is connected with the clamping block in a clamped mode, and therefore the shielding effect on the surface of the cabinet body is achieved; a pneumatic device is arranged on the outer side of the electric meter cabinet, and airflow is conveyed into the electric meter cabinet through the pneumatic device, so that the effects of ventilation and heat dissipation are achieved, the temperature in the cabinet is reduced, normal work of elements is guaranteed, condensation is reduced, electrical faults are prevented, air pressure inside and outside the cabinet is balanced, and structural deformation is avoided; the cabinet body structure damage caused by air pressure difference is avoided, the aging speed of a sealing element is reduced, and the service life of equipment is prolonged.

The embodiment of the invention provides an operation scene monitoring method and system based on panoramic stitching and holder linkage, and belongs to the technical field of video monitoring. The method comprises the following steps: respectively acquiring real-time panoramic video data and historical video data of an operation scene and a partial discharge signal of high-voltage electrical equipment; simulating electrical disease characteristics of the high-voltage electrical equipment based on the partial discharge signals and the environmental parameters of the real-time panoramic video data; obtaining work prediction information of the real-time panoramic video based on the historical video data and the electrical disease features; calculating deviation information of a real-time panoramic video according to the operation prediction information and the real-time panoramic video data; positioning a risk target area of the operation scene based on the deviation information, and determining a risk early warning signal of the operation scene for the deviation information based on a preset risk rule base; and issuing the risk early warning signal to a pan-tilt camera of the operation scene, and monitoring a close-up monitoring picture of the risk target area in real time. According to the invention, the risk handling efficiency of operation scene monitoring can be improved.

The invention relates to a box-type substation multi-dimensional diagnosis method based on multi-network fusion and an intelligent algorithm. The method comprises the steps that S1, a provided box-type substation monitoring system comprises a multi-network data acquisition module, a multi-network data fusion module, a composite fault diagnosis and prediction module and a health state quantitative evaluation module; s2, a multi-network data acquisition module obtains data of different dimensions of the box-type substation to obtain multi-network data; s3, the multi-network data fusion module carries out space-time alignment on the multi-network data, extracts cross-network features, calculates the weight of each cross-network feature and carries out fusion to obtain a fusion feature; s4, a composite fault diagnosis and prediction module synchronously diagnoses an electrical fault, a thermal fault and an insulation fault and predicts a composite fault based on the fusion features; and S5, outputting a multi-network health index, an equipment comprehensive health score, a fault positioning result and a maintenance suggestion by a health state quantitative evaluation module. According to the invention, accurate diagnosis and potential fault prediction of the composite fault of the box-type substation can be realized.

The present disclosure pertains to systems and methods for rapid fault neutralization. An apparatus for managing an electrical fault in an electrical system can include a bridging member configured to establish a conductive pathway between contact points that are at differing electrical phase potentials within the electrical system. The apparatus can include a propulsion system configured to cause movement of the bridging member towards the contact points in response to the electrical fault in the electrical system, thereby initiating the conductive pathway. In this way, the apparatus responds to the electrical fault by initiating a controlled electrical arc through the conductive pathway.

The invention discloses a design method of a novel backplane bus. The design method comprises the following steps: step 1, constructing a basic backplane bus architecture; 2, implementing a module physical isolation design; step 3, integrating a fault detection mechanism; 4, designing a slot number dynamic transmission mechanism; step 5, establishing a hybrid communication architecture; 6, deploying a redundant power supply and communication link; step 7, realizing state self-diagnosis and recovery; 8, designing a remote monitoring interface; and step 9, formulating a modular extension specification. Through modularized physical isolation and dynamic slot position transmission, electrical fault diffusion is effectively avoided, the maintenance efficiency is remarkably improved, the hybrid communication architecture integrates the advantages of a real-time Ethernet and a parallel bus, high-speed real-time performance and low-speed compatibility are both considered, redundant power supply and ring topology communication ensure high-reliability operation, and the service life of the system is prolonged. Remote monitoring and standardized interfaces are combined, and plug-and-play expansion is supported.

The invention relates to a cold chain equipment fault prediction and management method and system based on machine learning, and the method comprises the following steps: monitoring the operation parameters of cold chain equipment, capturing the parameter changes exceeding a preset threshold value in the operation parameters, and obtaining the parameter drift characteristics; based on the parameter drift feature, performing similarity mapping with a historical fault feature library to obtain a fault feature type; based on the fault feature type, in combination with the operation duration and recent maintenance records of the cold chain equipment, performing fault probability prediction on each component in the cold chain equipment to obtain a component fault probability table; according to a component fault probability table, performing grade division on the fault risk of each component in the cold chain equipment to obtain a component risk grade list; and generating an early warning management and maintenance scheme based on the component risk level list and the temperature control requirement of the cold chain equipment, thereby solving the technical problem that the change of the operation parameters cannot be effectively associated with the potential mechanical or electrical fault.

The invention belongs to the field of box-type substation fault detection, relates to an information fusion technology, is used for solving the problem that the accuracy of a detection result cannot be guaranteed due to the fact that only a single fault diagnosis mode is adopted for fault detection in the prior art, and particularly relates to a box-type substation 5G intelligent information fusion system which comprises an information fusion platform. The information fusion platform is in communication connection with a box transformer fault detection module, a detection verification module and an instant decision module; the box-type substation fault detection module comprises an electrical detection unit and a waveform detection unit, the electrical detection unit is used for performing electrical fault detection on the box-type substation, and the waveform detection unit is used for performing current waveform detection on the box-type substation; the electrical state of the box-type substation is comprehensively monitored, the winding overheating hidden danger can be found in time through dynamic temperature rise calculation, and the problem of insulation degradation or sealing failure can be accurately recognized in combination with partial discharge and gas concentration detection.

The invention discloses a fault diagnosis method and device for a permanent magnet motor system and a readable storage medium, and relates to the technical field of motor fault diagnosis, and the method comprises the steps: obtaining multi-mode data including current data, vibration data and thermal imaging image data, carrying out the preprocessing of each mode, obtaining the current, vibration and image data of a unified format, and carrying out the recognition of the current, vibration and image data; performing feature extraction and feature fusion on the preprocessed multi-modal data to obtain multi-modal fusion features representing the running state of the motor; and inputting the multi-modal fusion features into a pre-trained fault diagnosis model, and respectively outputting an electrical fault diagnosis result and a thermal fault diagnosis result of the permanent magnet motor system. According to the method, through multi-modal data joint modeling and fusion representation, the defect of limited single-modal diagnosis capability is overcome, and the precision and robustness of permanent magnet motor system fault diagnosis under complex working conditions are improved.

The invention discloses a troubleshooting method and system for an electrical fault high-risk point of an underground pipe gallery, and relates to the technical field of fire prevention. According to the invention, various sensor data are collected, historical equipment operation and maintenance data are combined, an electrical topology network is generated based on a cable path and an equipment connection relation, a three-dimensional model of the pipe gallery is constructed, fire prediction simulation is carried out, a fire occurrence point is effectively predicted and positioned, the equipment maintenance cost is saved, part of manual inspection is replaced, and the invalid troubleshooting workload is reduced.

The present invention relates to a method of controlling an electrical protection device. When an electrical fault of the short-circuit type is detected during a step b) and when the tripping energy is greater than or equal to the tripping energy threshold in step d), controlling (S118) each switching module to enter the off-configuration. When the reclosing time of the given circuit breaker has elapsed, controlling (S122) each switching module to enter the on-configuration. If a circuit breaker is connected immediately upstream of the given circuit breaker, a test duration (T1) has not elapsed and a short-circuit is detected, performing steps c) to f) again; and if no circuit-breaker is connected immediately upstream of the given circuit-breaker, the test duration (T1) has not elapsed and a short-circuit is detected, controlling (S138) each switching module in the off-configuration.

The invention relates to the technical field of punching equipment, and discloses an aluminum pole piece punching device which comprises a rack, a movable seat driven by a lifting machine is installed at the upper end of an inner cavity of the rack, a punching mold located over a bearing table is installed at the bottom of the movable seat, and a bearing plate used for containing an aluminum substrate is installed at the upper end of the bearing table; at least one pair of pressing assemblies is installed on the upper end face of the bearing plate and used for pressing at least one set of opposite sides of the aluminum substrate, and an inserting plate is installed at the bottom of the movable base. The inserting plate is inserted into the inserting hole along with descending of the movable base, the movable block is pushed to drive the transmission rack and the threaded rod to rotate, the pressing plate is made to press down and fix the aluminum substrate, manual intervention or complex electrical elements are not needed in the whole process, automatic pressing is achieved through mechanical linkage, the operation intensity is reduced, and potential safety hazards of manual operation are eliminated; meanwhile, shutdown maintenance caused by electrical faults is avoided, and the product quality and the production efficiency are improved.

The invention provides a high-voltage cable sheath grounding fault diagnosis method and device and electronic equipment, and relates to the technical field of electrical fault diagnosis and detection. The method comprises the following steps: acquiring a multi-source state parameter, wherein the multi-source state parameter is used for representing a real-time operation state of a sheath grounding system corresponding to a high-voltage cable sheath; performing multi-source heterogeneous data processing on the multi-source state parameter to obtain a fundamental component and a harmonic component of the sheath current and a vibration energy value of the cable joint; determining a current fault type based on the multi-source state parameter, the fundamental component, the harmonic component and the vibration energy value; determining fault section position information based on the multi-source state parameters and the electric power topological graph of the high-voltage cable sheath; and determining a fault diagnosis result based on the current fault type and the fault section position information. The fault diagnosis method and device are used for improving the comprehensiveness and accuracy of fault diagnosis, reducing the possibility of misjudgment and missed judgment, and being convenient for maintenance personnel to quickly position and solve the fault problem so as to guarantee stable operation of a power system.

The invention relates to the technical field of defect detection, and discloses an electrically tunable antenna structure defect automatic detection method and system, and the method comprises the steps: collecting the multi-modal data of an electrically tunable antenna, and generating a three-dimensional model; mapping the three-dimensional model to a two-dimensional space, displacing pixels by analyzing the curvature distribution condition of the surface of the electrically tunable antenna, and filling a missing region in the two-dimensional space to obtain a two-dimensional model; identifying to obtain a first defect identification result; extracting a defect endpoint set from the first defect identification result, constructing a defect graph, and mapping the defect graph into the three-dimensional model to obtain a second defect identification result of the electrically tunable antenna; the method is suitable for geometric structures of a paraboloid and a cylindrical surface in the electrically-tunable antenna, image distortion and information loss caused by a curved surface structure of the electrically-tunable antenna are reduced, the quality of the constructed model is improved, the problems of local overheating, connecting piece loosening and the like caused by electrical faults in the electrically-tunable antenna can be found in time in combination with thermal image data, and the reliability of the electrically-tunable antenna is improved. And the accuracy of a defect identification result is improved.

According to the integrated thermal management method for the secondary circuit of the new energy automobile, mechanical abrasion or electrical faults are accurately recognized by monitoring the rotating speed and the current signal of the main water pump in real time, and the standby water pump is rapidly switched to guarantee circulation continuity of cooling liquid; meanwhile, the opening degree of the electric control valve is dynamically adjusted to optimize flow distribution of each branch, and the temperature of the battery is maintained in a safe interval in combination with multi-point temperature data fusion processing; in addition, by means of branch isolation and bypass channel switching, local faults can be handled in time, and the overall cooling capacity is maintained. According to the invention, the stability and safety of the thermal management system in multiple scenes are obviously improved.

The invention discloses a vehicle-mounted energy-saving power take-off power generation mechanism for a special vehicle, and relates to the technical field of automobile parts, the vehicle-mounted energy-saving power take-off power generation mechanism comprises a T-shaped rod, an elastic telescopic plate, a stop column, an elastic telescopic holding plate, a stop block and an empty box, the outer wall of the machine box is provided with a placing groove, and the T-shaped rod is rotatably mounted in the placing groove; the fixed end of the elastic telescopic plate is fixedly installed in the containing groove, the blocking column is fixedly installed at the free end of the elastic telescopic plate, the empty box is fixedly installed in the machine box, and the elastic telescopic supporting plate is fixedly installed in the empty box, so that a motor in the machine box is prevented from being collided and damaged. The damage risk of the motor during collision is reduced, the maintenance or replacement cost caused by the damage of the motor is reduced, the electrical faults such as short circuit and fire caused by the serious damage of the motor during collision are avoided, and a safer environment is provided for people in a vehicle.

This invention provides a bimetallic strip circuit disconnection control method and system, relating to the field of circuit protection technology. By acquiring the bimetallic strip deformation signal and calculating the difference, and combining different thresholds and durations for judgment, it distinguishes between instantaneous large fluctuations and continuous small faults, achieving accurate tripping and early warning. It has the advantages of effectively distinguishing between normal instantaneous fluctuations and continuous electrical faults, avoiding false tripping, and providing early warning, thereby improving the accuracy and reliability of circuit protection.

The invention relates to the field of cable wire barrows, in particular to a quick and convenient cable wire barrow which comprises a barrow body provided with a roller used for winding a cable. The cleaning mechanism is connected with the vehicle body and is used for cleaning the cable during paying off; the scraping mechanism is arranged at the end, away from the roller, of the cleaning mechanism and used for conducting secondary cleaning on the cleaned cable. According to the cable barrow, the problems that in existing cable pay-off operation, stains are prone to being attached to the surface of a cable, cleaning is difficult, and therefore insulation layer abrasion and electrical fault hidden danger are caused are solved, and the cable barrow is fast and convenient to use. According to the device, the cable is subjected to multi-stage cleaning treatment through linkage of the cleaning mechanism and the scraping mechanism, and the cleanliness and the insulation safety during cable laying are remarkably improved.

The present invention relates to the field of fault detection technology, specifically to an electrical fault detection control system, the system comprising: a phase monitoring module, an abnormal positioning module, a current control module, and a result verification module. In the present invention, the phase difference is calculated by collecting and combining dynamic time regularization, and an abnormal mark is generated by comparing the phase tolerance threshold to improve the phase delay detection accuracy. Based on the phase difference value sequence of adjacent nodes, linear regression is used to analyze the slope jump, and the accuracy of candidate section determination is enhanced. A constant current source collects multi-node voltage differences, and a Kalman filter smoothes the voltage drop differences and compares the threshold to improve the anti-interference ability of complex working conditions. The path coordinate overlap comparison and the review instruction form a closed-loop verification mechanism to ensure the reliability of the positioning result. Multi-stage collaborative optimization shortens the fault response time and reduces false operations. Dynamic modeling and multi-source signal fusion improve the robustness of discrimination, reduce dependence on experience or thresholds, and enhance adaptive capabilities.

The utility model discloses an assembly type 90-degree board end waterproof connector, which relates to the technical field of board end connectors, and comprises a connecting seat, a second protective shell arranged above the connecting seat, a socket movably clamped in the connecting seat, a first protective shell arranged on the front surface of the connecting seat, and a second protective shell arranged above the first protective shell. When the connecting base is connected, the first protective shell is clamped in front of the connecting base, the hole formed in the first protective shell is connected with the contact piece arranged in the connecting base in a sleeved mode, the two connecting blocks fixed to the first protective shell are attached to the connecting base, and the second protective shell is movably clamped above the connecting base. The second protective shell is clamped to the upper portions of the two connecting blocks to be attached to the two connecting blocks, at the moment, the connecting base and the second protective shell are fixed through the two second screws, then the socket is clamped into the connecting base, the connecting position of the connecting base and the socket is protected through the second protective shell, and short circuit or electrical faults caused by moisture can be prevented.

The utility model provides a kind of waterproof rubber parts of engineering truck wire harness connector, comprising: fixed wire harness part, spiral pipe diameter and connector protection part, the spiral pipe diameter is connected in one end of the fixed wire harness part, and the connector protection part is connected in one end of the spiral pipe diameter.The utility model provides a kind of waterproof rubber parts of engineering truck wire harness connector, using fixed wire harness part, spiral pipe diameter and connector protection part adopt ternary ethylene-propylene material, its stable molecular structure and smooth surface make water molecule difficult to invade and adhere, from material essence, guarantee waterproof effect, tightly adhere connector appearance design, effectively avoid water, greatly enhance the waterproof ability of connector and its to the matching end, reduce the electrical failure risk caused by water.

The utility model discloses a power distribution control device convenient to adjust, which comprises a cabinet body, a cabinet door mounted on the front side of the cabinet body through a hinge, a mounting rack arranged in the cabinet body, a sliding rail fixedly arranged on the front side of the mounting rack, a fixing hole formed in the front side of the sliding rail, a sliding sleeve slidably arranged on the surface of the sliding rail, and a mounting plate fixedly arranged on the front side of the sliding sleeve. Fixing assemblies are arranged on the front sides of the mounting plates, and a mounting back plate is connected between the opposite faces of the mounting plates. The limiting effect of the fixing assembly on the mounting plate and the sliding sleeve is relieved, and the mounting plate is driven to move through the fixing assembly, so that the mounting plate drives the sliding sleeve to slide on the surface of the sliding rail, the positions of the mounting back plates are adjusted, and the distance between the mounting back plates can be adjusted; the situation that the installation backboard is too troublesome to adjust due to bolt fixation is avoided, the wiring terminal of equipment can be located at a proper position, connection of wires is facilitated, bending and crossing of the wires are reduced, and the risk of electrical faults is reduced.

The utility model discloses a novel high-voltage auxiliary switch, which relates to the technical field of switches and comprises a shell, an upper cover, a push rod, a binding post, a reset spring, a static contact, a touch assembly, a pin shaft and the like. When the moving contact and the static contact are in a disconnected state, the switch can form a dual-port structure between the two static contacts. The unique design can effectively improve the power frequency withstand voltage value of the port between the two static contacts under the condition of a small structural volume. Compared with a traditional high-voltage auxiliary switch, the high-voltage auxiliary switch has the advantages that the risks of insulation breakdown and arc reignition are reduced due to the larger contact breaking distance, the stable and reliable electrical performance in a high-voltage environment is ensured, the safety and stability of equipment operation are greatly improved, and the conditions of equipment damage and production interruption caused by electrical faults are reduced.