36results about How to "Troubleshooting" patented technology

The invention relates to the field of vehicle data analysis, in particular to an automobile data analysis method and system based on an intelligent diagnostic instrument. The method comprises the following steps: acquiring vehicle multi-modal monitoring data based on an intelligent diagnostic instrument; operation power change calculation is conducted on the vehicle multi-mode monitoring data, time sequence state feature mining is conducted, and vehicle time sequence state features are obtained; carrying out multi-frequency noise reduction optimization on the vehicle multi-modal monitoring data, and carrying out normalized periodic evolution mining so as to generate normalized vibration periodic evolution characteristics; potential feature association deep mining is carried out on the vehicle time sequence state features and the normalized vibration period evolution features, then association graph modeling is carried out, and a vehicle multi-modal feature knowledge graph is constructed; and abnormal parameter deviation calculation and fault positioning traceability are carried out on the real-time operation parameters of the vehicle based on the vehicle multi-modal feature knowledge graph, so that a potential abnormal fault positioning point is obtained. According to the invention, efficient and accurate vehicle fault risk prediction analysis is realized.

The invention discloses a high-performance environment-friendly UV (ultraviolet) adhesive for batteries and a preparation method thereof, and the UV adhesive is prepared from the following raw materials in parts by weight: 20-50 parts of acrylate prepolymer, 30-70 parts of first acrylate monomer, 1-10 parts of photoinitiator, 5-15 parts of thixotropic agent and 0.5-5 parts of other auxiliaries, the acrylate prepolymer is prepared from the following raw materials: compound polyol, isocyanate and a second acrylate monomer; the compound polyol comprises a flexible polyol and a hard polyol which are compounded according to a molar ratio of 1: (1-5). According to the high-performance environment-friendly UV adhesive for the battery, the viscosity is smaller than 5000 cps, Tg is larger than or equal to 70 DEG C, the elongation at break is larger than or equal to 550%, the shear strength is larger than or equal to 5 MPa, and the resistivity is larger than or equal to 109 omega.m. The UV adhesive disclosed by the invention has the characteristics of low viscosity, high thixotropy, convenience in sizing, short curing time, good flexibility of cured adhesive, high bonding strength and excellent heat resistance and insulating property.

This application relates to a residential parcel transportation device applicable to drone logistics. This application falls within the field of low-altitude economic technology. The technical solution adopted in this application includes: a rooftop transfer system, installed on the rooftop of a residential building, for receiving parcels dropped by drones and completing parcel alignment, horizontal transfer, and temporary storage scheduling; an exterior vertical transportation system, fixedly installed on the building's exterior facade and located directly below the rooftop transfer system, for vertically transferring parcels output from the rooftop transfer system to the corresponding floors; and a user-end receiving system, installed near the windows of users on each floor of the residence, for receiving vertically transferred parcels and real-time monitoring of the support occupancy status; the horizontal transfer end of the rooftop transfer system and the initial bearing position of the exterior vertical transportation system are at the same horizontal height and on the same straight line perpendicular to the building's exterior wall, achieving seamless connection between horizontal and vertical transfer.

A garment care device and a method for manufacturing the same are disclosed. The disclosed garment care device includes: a main body including a garment care chamber; and a door rotatably coupled to the main body and including a control panel formed on its front surface, wherein the control panel includes: glass; a coating having holes in the glass; a first printed layer laminated on the coating and having a shape corresponding to the coating; and a second printed layer laminated on the first printed layer and provided adjacent to the glass.

The utility model provides a kind of tool structure for circuit board, comprising: upper pressing plate, maintaining seat, base, circuit board, multiple magnetic components, multiple elastic components and multiple pins;The side surface of upper pressing plate is recessed to form limiting groove, and upper pressing plate is connected with maintaining seat by magnetic force to limit circuit board in limiting groove;The surface of maintaining seat is protruded to form first positioning column for positioning circuit board, and the both sides of maintaining seat are respectively equipped with magnetic component;Base is connected with maintaining seat by insertion, and base surface is equipped with multiple insertion holes matched with pin, and each insertion hole is respectively movably equipped with a set of elastic component;One end of each pin is abutted with one of elastic component, and the other end of each pin is fixedly arranged in circuit board.The utility model is connected by magnetic attraction between upper pressing plate and maintaining seat, so that circuit board can be stably welded during main rod, thereby avoiding product failure problem caused by soldering overflow due to main rod skew.

The invention discloses a storing and adding device and method based on a chlorine-containing disinfectant for water treatment, and relates to the technical field of water treatment chlorine supplementing devices.The storing and adding device comprises a cabinet, multiple groups of agent boxes and an extraction structure are arranged at the bottom of an inner cavity of the cabinet, and the extraction structure sequentially extracts sodium hypochlorite agents from the multiple groups of agent boxes and injects the sodium hypochlorite agents into a tap water pipe; a switching valve assembly is further installed in the machine cabinet so as to be connected with the multiple sets of agent boxes respectively, agents can be extracted from the different agent boxes in sequence, a traditional single heavy and large agent box is changed into a plurality of small agent boxes, the agent supplementing mode that the agent boxes are carried out is additionally achieved, various field requirements are met, and the machine cabinet can be used indoors and outdoors. And the plurality of medicament boxes are arranged in a rotatable form by utilizing the weighing adjusting base, so that the medicament boxes inside and outside can be conveniently taken out forwards in a narrow equipment space, and even if the medicament box is positioned inside, the medicament box can be moved to the front side to be taken out only by simple rotating operation.

The utility model relates to cable processing technical field, and disclose a kind of wire feeding equipment for cable processing, including ring body, setting in the opposite end of support;Slide bar, symmetrically and slidingly connected in ring body;Brush plate, symmetrically and fixedly connected in the one end of slide bar located inside ring body;Spring, fixedly connected with the opposite surface of brush plate in ring body inner wall, spring is sleeved in the outside of slide bar;Scraping plate, fixedly connected with the right side wall of ring body.Cable is past ring body, brush plate is adhered on cable surface by spring, and brush plate is cleaned when cable passes and the dust and impurity on surface, and then cable cleaned by brush plate is past scraping plate, and scraping plate is scraped more stubborn stain on cable surface, and cleaning effect is better.Cable cleaned is transported to subsequent equipment.Working personnel can replace brush plate and scraping plate periodically after long time use of brush plate and scraping plate, and cleaning capacity is reduced.

The quench tower of the gas furnace comprises a first quench tower, the side wall of the first quench tower is fixedly connected with a second quench tower, and the surface of the first quench tower is fixedly connected with a gas inlet pipeline; a gas outlet pipeline is fixedly connected to the surface of the second quench tower, a first flushing water bag is mounted on the gas inlet pipeline, and a first flushing water nozzle is fixedly mounted between the first flushing water bag and the first quench tower; a second flushing water bag is mounted on the gas outlet pipeline; and a second flushing water nozzle is fixedly mounted between the second flushing water bag and the second quench tower. A first cooling water bag is mounted on the outer side wall of the first quench tower, and a first cooling water nozzle is fixedly connected between the first cooling water bag and the first quench tower; a second cooling water bag is mounted on the outer side wall of the second quench tower, and a second cooling water nozzle is fixedly connected between the second cooling water bag and the second quench tower. The device has the advantages of being low in processing and manufacturing cost, energy-saving, environment-friendly and capable of cleaning pulverized coal tar cakes on line.

The utility model provides a kind of electrolytic flocculation type dissolved air flotation sewage treatment all-in-one machine, it is related to adhesive production technical field, including shell, the outer surface left side bottom end of shell is inserted with sewage tank, the outer surface front section right side of shell is equipped with metal door, the outer surface middle part of metal door is equipped with observation port, the inside fixed mounting of sewage tank is equipped with mounting plate, AI edge calculation box, high-frequency pulse direct current power supply and cyclone dissolved air cavity are integrated into upper and lower layered structure, utilize upper baffle to separate electrical area and processing area, while using the integrated stamping process that sewage tank and cyclone dissolved air cavity share side wall, make equipment volume compared with traditional electrolysis-air flotation split device greatly reduce, venturi pneumatic refluxer is integrated with dissolved air cavity bottom, by 0.3-0.6MPa pressure difference self-driving operation, replace traditional electric reflux pump, further compress equipment size, effectively solve the problem of equipment volume in prior art too large.

The invention relates to a submerged height difference slide way driving type lifting massage mechanism, which comprises a sofa body, a backpack and a massage assembly, the backpack is arranged on the backrest part of the sofa body, the submerged height difference slide way driving type lifting massage mechanism is characterized in that the backpack is provided with a massage area and a concave area, the massage area is located at the upper end part of the concave area, and the massage area protrudes out of the concave area; a driving assembly is arranged on the backrest part of the sofa body, the driving assembly drives the massage assembly to slide up and down on the backrest part, so that the massage assembly is exposed out of the massage area of the knapsack or hidden in the concave area of the knapsack, and the driving assembly is hidden on the rear side of the knapsack. By the adoption of the technical scheme, the submerged height difference slide way driving type lifting massage mechanism is comfortable in sitting feeling, comfortable in massage, capable of walking on a backpack during massage and hidden when not used for massage.

The utility model discloses a flashboard structure of a nodular cast iron pipe core machine feed opening gate valve, which belongs to the technical field of nodular cast iron pipe core machines, and comprises a sand adding valve and a flashboard valve box body, the sand adding valve is arranged at the bottom of the flashboard valve box body, the sand adding valve comprises a flashboard and a cylinder, the flashboard is connected with the cylinder, the cylinder is arranged on the outer side of the flashboard valve box body, and the flashboard is connected with the flashboard. Sliding rails are symmetrically arranged on the two sides of the bottom of the gate valve box and clamped with the gate plate, a discharging hole is formed in the gate plate, the distance between the discharging hole and the outer edge of the gate plate is larger than the diameter of the discharging hole, a discharging channel is arranged in the gate valve box, and the diameter of an outlet in the lower end of the discharging channel is the same as that of the discharging hole. The flashboard structure drives the flashboard to move leftwards and rightwards by pushing and pulling the air cylinder leftwards and rightwards, so that the problems of sand accumulation and blanking port blockage are solved, the work of cleaning the sand adding valve by workers is thoroughly eliminated, various faults of the sand adding valve are thoroughly eliminated, the working efficiency of the core making machine is improved, and a large amount of working time loss is saved.

The invention discloses a heat pump water heater control method, device and system and a water heater, and belongs to the field of heat pump water heaters. The control method is applied to the static heating type heat pump water heater, and when the heat pump water heater operates stably, the outdoor environment temperature and the condensation temperature are obtained; based on the operation mode of the heat-pump water heater, the theoretical water temperature of the upper portion of a water tank of the heat-pump water heater is determined according to the outdoor environment temperature and the condensation temperature, and finally the heat-pump water heater is controlled based on the theoretical water temperature. According to the scheme, a sensor does not need to be arranged on the upper portion of the water tank of the heat pump water heater, the temperature can be obtained only according to the outdoor environment temperature and the condensation temperature, in the production design stage, the assembly workload of the water tank temperature sensing bulb can be reduced, production and product material cost is reduced, production time is shortened, and production efficiency is improved; and various fault problems caused by the influence of the water tank temperature sensing bulb assembly can be avoided after sale.

The invention provides a cleaning head and cleaning equipment, and relates to the technical field of cleaning equipment. The cleaning head comprises a first shell, a second shell and a scraping strip assembly, the second shell wraps part of the first shell and defines a containing cavity, and a rolling brush groove protruding towards the containing cavity is formed in the side, away from the second shell, of the first shell to contain the cleaning unit; the scraping strip assembly comprises a transmission mechanism and a scraping strip body which are connected, the scraping strip body is partially located outside the containing cavity and used for scraping the operation surface, and the transmission mechanism is used for driving the scraping strip body to be switched between the extending state and the retracting state. At least the part, attached to the inner wall of the rolling brush groove, of the transmission mechanism is of an elastic sheet structure, and the elastic sheet structure enables the scraping strip body to be attached to the inner wall of the rolling brush groove in two states through elastic deformation of the elastic sheet structure, so that the space utilization rate of the containing cavity is increased, miniaturization of the cleaning head is facilitated, and the attaching precision and switching smoothness of the scraping strip are improved; meanwhile, part abrasion is reduced, and the service life and reliability of cleaning equipment are prolonged.

The utility model discloses a kind of quick cooling device for heat treatment furnace, specifically related to cooling device field, including rack, fixedly connected on the protection shell of rack, cover plate movably connected on the protection shell, fixedly connected in the heat preservation inner shell of protection shell, heater and fixedly connected in the air supply shell of heat preservation inner shell bottom, exhaust pipe is opened in cover plate, the bottom of heat preservation inner shell is opened with several circumferential arrangement's air jet, air supply pipeline is opened in air supply shell, air supply assembly is installed in air supply shell, flow guide assembly is installed on rack. The utility model is combined with the structure of bottom air supply and flow guide vane, simultaneously using flow guide assembly to drive flow guide vane to reciprocating swing synchronously, concentrated airflow is scattered and redistributed, eliminates the temperature gradient and cooling dead zone of each area in furnace, to significantly improve the quality problem such as deformation, cracking caused by uneven cooling, substantially improve product pass rate.

This invention relates to the field of household appliance technology, and discloses a drying device and its control method. The drying device includes a main structure, a baffle structure, and a control module. The main structure has a clothing handling chamber and a drying air duct. The clothing handling chamber has an air inlet and an air outlet. The air inlet end of the drying air duct is connected to the air outlet, and the air outlet end of the drying air duct is connected to the air inlet. The baffle structure is located at the drying air duct or the air inlet and is used to regulate the airflow through the drying air duct and the clothing handling chamber. The control module can adjust the opening of the baffle structure according to the drying program, adjust the ventilation volume of the drying air duct, reduce heat loss, improve the contact efficiency between hot air and clothing, shorten the drying time, and reduce energy consumption. The control module can determine the blockage of the drying air duct based on the relationship between the opening of the baffle structure and the airflow through the drying air duct, avoiding the execution of the drying program when the drying air duct is blocked, thereby avoiding affecting drying efficiency and increasing energy consumption.

The invention discloses a noise reduction self-lubricating type gear motor which comprises an arranged motor box, a driving part is arranged in the motor box, and the output end of the driving part is connected with a rotating shaft through a speed changing part. A cooling assembly is installed in the motor box, the cooling assembly comprises a water storage tank installed in the motor box, the water storage tank conveys liquid to a speed changing part through a conveying cylinder, and the speed changing part conveys the liquid into the water storage tank through a processing box; the output end of the driving piece is connected with a forward and reverse screw, and the outer side of the forward and reverse screw is in threaded connection with a moving plate. According to the noise-reduction self-lubricating gear motor, liquid is conveyed into the speed change part, it is ensured that the motor always keeps a stable working state in the long-time operation process, the fault problem caused by overheating is avoided, the noise problem caused by driving a fan to rotate is reduced, the problem that personnel are disturbed due to too large noise is effectively avoided, and the service life of the motor is prolonged. And the applicability of the motor box is improved.

The utility model relates to the field of gas electricity fast insertion, specifically discloses a kind of coupler device applied to gas electricity fast insertion wireless communication and power supply, including coupling module one and coupling module two, coupling module one and coupling module two can be mutually assembled, and wireless communication and wireless power supply are carried out between coupling module one and coupling module two assembled together;Avoid the circuit failure problem caused by the problems such as pin corrosion, pollution, distortion when pin connection;Realized quick connection, mute, beautiful, stable and reliable connection mode, with 60GHz V band transceiver. Gigabit ethernet short-range non-contact connection. Full duplex, horizontal transmission, control automatic negotiation. Used in pairs, no contact therefore no wear and tear and maintenance.

This application provides a method, device, vehicle, and medium for alerting abnormal vehicle noises. The method, applied in the field of vehicles, includes: acquiring sound information generated by the vehicle, vehicle operation information, and vehicle driving information; determining the vehicle's operating scenario based on the vehicle operation information and driving information; comparing the sound information with normal sound information stored in a first database based on the operating scenario to generate a detection result; and outputting corresponding alert information according to the detection result and a corresponding alert mode. This method can alert users to vehicle noises based on their needs, enabling users to promptly detect vehicle malfunctions and ensuring vehicle driving safety.

The utility model discloses a brake disc air duct foreign matter cleaning device, and relates to the technical field of brake disc cleaning. According to the brake disc air duct foreign matter cleaning device, through reasonable design and cooperative work of all the mechanisms, the machine table is provided with the cleaning cavity and the discharging channel, the cleaning cavity provides a brake disc cleaning space, a liquid inlet of the discharging channel communicates with the cleaning cavity, and waste liquid generated by cleaning can be discharged in time; a clamping piece of the clamping mechanism is arranged in the cleaning cavity, the brake disc can be stably clamped, and it is guaranteed that the position of the brake disc is stable in the cleaning process; the liquid outlet end face of a liquid spraying assembly of the cleaning mechanism faces the clamping piece, cleaning liquid is sprayed to the brake disc, and foreign matter such as scrap iron and oil mist in an air duct is effectively washed away; the collecting mechanism is connected into a liquid outlet of the discharging channel, and waste liquid and impurities generated during cleaning can be collected in a centralized mode. The foreign matters in the air duct of the brake disc are efficiently cleaned, the problem of equipment failure caused by residual impurities is avoided, the personnel load is remarkably reduced, the starting rate of a production line is effectively improved, and then the production efficiency is improved.

The utility model relates to drying tower grain feeding technical field discloses a kind of grain drying tower grain feeding automatic flow divider, including cabinet, the outside fixed connection of cabinet has in-out material assembly, the top inner wall of cabinet is equipped with collecting hopper by thread fastener, the inner wall of cabinet is equipped with pin shaft by rolling bearing, the top fixed connection of pin shaft has distributing plate, the top both sides of distributing plate are equipped with nylon plate by thread fastener, and the in-out material assembly includes grain feeding chute, the bottom fixed connection of grain feeding chute is in the top of cabinet, the bottom left end fixed connection of cabinet has left grain outlet chute, the bottom right end fixed connection of cabinet has right grain outlet chute. In the utility model, through self-adapting adjustment mechanism, the automatic balance of grain flow is realized, effectively ensure the uniform distribution of grain, distributing plate is automatically adjusted according to grain column flow condition, and the hidden danger of uneven flow is eliminated.

This utility model relates to the field of power equipment maintenance technology, and discloses a device for detecting water seepage in the casing of a charging pile. It includes a small hole on the side of the charging pile, through which a rope passes. A hollow ball is attached to one end of the rope on the inner side of the charging pile, and a counterweight is attached to the other end of the rope on the outer side. A scale is positioned on the outer side of the charging pile corresponding to the counterweight. A seepage detector is installed on the outer side of the charging pile. One end of the detector housing is connected to a suction cup via a tube. A groove is provided on the upper part of the detector housing, and a miniature vacuum pump is installed within the groove. The air inlet of the miniature vacuum pump is connected to the air outlet of the suction cup. In use, when the counterweight changes the scale reading on the scale, it can be determined that the charging pile malfunction is caused by water seepage. By placing the suction cup on different positions on the charging pile casing and pressing a switch to start the miniature vacuum pump, the location where the suction cup can no longer hold the casing indicates the location of the seepage.

The utility model discloses a compressor oil contamination trapping device, which relates to the technical field of compression trapping devices, and comprises a trapping body, a first flange, a second flange and a liquid level meter, the trapping body is provided with a first reserved opening and a second reserved opening, a first flange connecting pipe is arranged in the first reserved opening, and a second flange connecting pipe is arranged in the second reserved opening. The first flange is mounted on the trapping body through a first flange connecting pipe; a second flange connecting pipe is arranged in the second reserved opening, and the second flange is mounted on the trapping body through the second flange connecting pipe; the liquid level meter comprises a connecting pipe, a pressed diaphragm and a transmitter, the first flange and the second flange are connected through the connecting pipe, the pressed diaphragm is arranged in the connecting pipe, and the pressed diaphragm is electrically connected with the transmitter located outside the connecting pipe. The two flanges are installed on the trapping body, a certain pressure difference can be generated due to the fact that the pressures between the two flanges are different, and the effect of improving the accuracy of measured data can be achieved through the structure of the liquid level meter.

The utility model relates to the technical field of weighing devices, in particular to a traditional Chinese medicine scale for traditional Chinese medicine processing. According to the technical scheme, the medicine tray comprises a bottom plate, a balance rod, a medicine tray body and side plates, the balance rod is rotationally arranged between the two side plates, a balance weight assembly is arranged at the tail end of the balance rod and used for indicating the weight of medicine in the medicine tray body, and the medicine tray body is arranged at the head of the balance rod through a connecting assembly. The connecting assembly is used for quick dismounting and replacing operation between the medicine tray and the balance rod. Accurate weighing is achieved through a preset standard weight and a balance structure, after weighing is completed, a user can turn over the medicine tray through simple shifting rod operation, medicinal materials directly fall into a collecting bag below, manual contact is reduced, meanwhile, the screw cylinders drive the screw rods in the opposite directions to synchronously move, the medicine tray is rapidly disassembled and assembled, and the labor intensity of workers is lowered. The device is suitable for alternate use of different kinds of medicinal materials and facilitates cleaning and management.

The application provides a modified polyphenylene sulfide film, which effectively improves the insufficient adhesion of the polyphenylene sulfide film and the adhesive layer and the adhesion decline after long-term high-temperature durability test through acid treatment. The adjustment of the acid treatment condition can achieve the purpose of giving consideration to the mechanical property and adhesion of the polyphenylene sulfide composite film.

When the charging connector is connected to the socket, the charging control ECU changes the connector to a locked state by means of the locking device. If the locking device is in an unlocked state, the charging connector can be pulled out from the socket. When the vehicle speed is equal to or greater than a predetermined value and the lock device is in a locked state, the charge control ECU outputs an unlocking command to the lock device. When the lock device is not in the unlocked state after the unlocking command is output, the charge control ECU diagnoses that the lock device is malfunctioning.

This application belongs to the field of welding technology and discloses a conductive tip disassembly and feeding device and a conductive tip replacement equipment. The conductive tip disassembly and feeding device includes a conductive tip disassembly and feeding mechanism, a conductive tip feeding mechanism, and a position switching mechanism. The position switching mechanism drives the conductive tip feeding mechanism to move along a first horizontal direction, enabling the feeding mechanism to have a loading position for delivering new conductive tips to the disassembly and feeding mechanism and a waiting position to avoid the disassembly and feeding mechanism. The disassembly and feeding mechanism removes the conductive tip from the welding torch or installs a new conductive tip onto the welding torch. Only one disassembly and feeding mechanism is needed to achieve the disassembly and assembly of the conductive tip, allowing for disassembly and assembly at the same workstation, improving work efficiency. Furthermore, both the feeding mechanism and the position switching mechanism are located below the disassembly and feeding mechanism, making the overall structure more compact and space-saving. This conductive tip replacement equipment not only has high work efficiency but also a compact structure and small space occupation.

The utility model relates to a crank shrinkage fit heating device which comprises an electromagnetic induction heater, the electromagnetic induction heater comprises a shell, an electromagnetic induction coil arranged in the shell and a magnetizer fixed on the electromagnetic induction coil, and the shell comprises a front end plate and a rear end plate which are shaped like a Chinese character'hui '. The outer pipe is connected between the front end plate and the rear end plate, the inner pipe is located in the outer pipe, and a tubular cavity is defined by the front end plate, the rear end plate, the inner pipe and the outer pipe. The electromagnetic induction coil and the magnetizer are arranged around the inner pipe, and an insulating layer is arranged between the electromagnetic induction coil and the magnetizer and the inner pipe; a cavity matched with a crank arm of the crank in shape is formed in the inner pipe; an air inlet and an air outlet are formed in the two sides of the outer pipe respectively, and a power connector connected with the electromagnetic induction coil is further arranged on the outer pipe. The heating device has the advantages that the full-surrounding square-tube-shaped electromagnetic induction heater is arranged, the crank arm except a crank pin is placed in the electromagnetic induction heater, the whole crank arm is heated, the heating uniformity is higher, the whole deformation of the crank is uniform, and the shrinkage fit machining quality is greatly improved.

The application relates to an anti-interference device and method for a rotary transformer circuit, and belongs to the technical field of rotary transformer circuits. The device solves the problems that the existing anti-interference method has large hardware changes, high cost, cannot process the faults caused by the interference in time, and has poor reliability. The device comprises a first anti-interference circuit used for performing front-stage filtering on sine excitation signals and cosine excitation signals output by a rotary transformer decoding chip; a second anti-interference circuit used for performing resistance-capacitance filtering on sine differential signals and cosine differential signals output by the rotary transformer circuit based on received front-stage filtered sine wave excitation signals and cosine excitation signals; the rotary transformer decoding chip is used for generating digital signals and a first fault signal based on received filtered sine differential signals and cosine differential signals; a master control chip generates a second fault signal according to the received digital signals; and the device is also used for judging whether the rotary transformer circuit has a fault based on the first fault signal and the second fault signal, and eliminating the fault if the fault occurs.

Embodiments of the present disclosure disclose a power substation operation and maintenance method and device based on multi-agent, equipment and medium. A specific embodiment of the method comprises: in response to determining that the volume of the power substation is higher than a target volume, obtaining a real-time operation data set and an agent coordination graph; performing graph partitioning on the agent coordination graph to obtain at least one agent group set; for each agent group set, performing a generation step: for each agent group, generating group decision information; displaying the group decision information set on a decision page; generating an agent decision graph; performing agent screening of the coordination agent set to obtain a coordination agent subset and agent decision information; generating operation and maintenance information; and controlling the master agent to instruct each coordination agent to perform equipment operation and maintenance processing on the target power substation according to the operation and maintenance information. This embodiment can achieve accurate generation of corresponding operation and maintenance information of the power substation while reducing the computing resources of the agent, thereby ensuring the normal operation of the power substation.

The technical scheme of the utility model discloses a 110V DC branch load leakage protection device. According to the utility model, the direct-current shunt is adopted to directly collect the leakage current, and the positive and negative buses are adopted to respectively collect the working current, so that the inherent defect that the Hall current sensor is influenced by the temperature is avoided, and the current test precision of the Hall sensor is also prevented from being influenced by the mounting aperture and the relative position of the tested cable. According to the utility model, the value of the leakage current can be accurately tested, and then graded alarm processing is carried out.