131results about How to "Safe and stable operation" patented technology

The invention provides a flywheel energy storage system with an electromagnetic coupler, which comprises a motor, a flywheel rotor, the electromagnetic coupler, a frequency converter and a generator, and is characterized in that the motor is connected with the flywheel rotor to drive the flywheel rotor to rotate, the electromagnetic coupler comprises an outer rotor and an inner rotor, and the outer rotor sleeves the inner rotor and is spaced from the inner rotor; the flywheel rotor is in transmission connection with the inner rotor, the inner rotor generates a rotating magnetic field to drive the outer rotor to rotate, and the frequency converter is connected with the outer rotor to change the current frequency of the outer rotor so as to change the magnetic field rotating speed matched with the current, so that the mechanical rotating speed of the outer rotor is kept constant. The generator generates power, accesses the power grid and inputs electric energy with stable frequency into the power grid, the requirement of power transmission to the power grid is met, power electronic devices are not needed, rotational inertia in the power grid can be improved, necessary voltage and frequency support is provided for the power grid, and the capacity of the power grid for efficiently accepting new energy is improved.

This invention discloses a method and apparatus for predicting power supply equipment faults based on deep learning, relating to the field of power system equipment fault prediction and deep learning application technology. The method includes: acquiring power grid topology, equipment operating status, historical fault records, real-time equipment load, and environmental condition data; constructing a spatiotemporal correlation graph based on the power grid topology and equipment operating status, and calculating the correlation strength using a graph neural network; combining the correlation strength and historical fault records, calculating the fault time delay using a long short-term memory network and determining the set of propagation paths; fusing multiple data points to calculate the cross-regional fault propagation probability and generating a list of predicted fault paths; updating the fault prediction output input to the long short-term memory network, and verifying and optimizing it using real-time power grid operating data to achieve accurate prediction of cross-regional cascading faults, ensuring the safe and stable operation of the power grid.

The application discloses an environmental protection gas load switch and belongs to the electrical equipment field, which is used to solve the problem of how to inhibit or eliminate the arc generated when the static contact and the moving contact of the load switch are disconnected. The environmental protection gas load switch comprises a shell, a moving contact, an operating mechanism, a first static contact and an arc extinguishing device. The moving contact is rotatably arranged in the interior of the shell, the operating mechanism is used for controlling the rotation of the moving contact, and the first static contact is fixedly arranged in the interior of the shell. The arc extinguishing device comprises a shell body, a rotating arm, a vacuum bubble and a reset spring, the shell body is fixedly arranged on the shell, the rotating arm is rotatably arranged on the shell body and is provided with an electrically conductive part, the electrically conductive part is arranged on the rotating path of the moving contact, the vacuum bubble is arranged on the shell body, and the two ends of the vacuum bubble are electrically connected with the electrically conductive part and the first static contact respectively, and the reset spring is arranged between the rotating arm and the shell body. When the moving contact is disconnected with the first static contact, the moving contact is electrically connected with the electrically conductive part.

This invention provides a system for monitoring and removing scale from the inner wall of HVAC water pipes, belonging to the technical field of HVAC systems. It includes HVAC water pipes, with an auxiliary removal component installed on the outer wall of the pipes to use ultrasonic vibrations to peel scale off the inner wall. In use, the auxiliary removal component allows the ultrasonic transducer to receive a high-frequency electrical signal from an ultrasonic generator, generating high-frequency mechanical vibrations. These vibrations propagate rapidly along the wall of the HVAC water pipe and are transmitted to the water inside and the scale adhering to the inner wall. Under the action of the high-frequency ultrasonic vibrations, the scale gradually peels off the inner wall, achieving the purpose of scale removal without causing significant mechanical impact or damage to the HVAC water pipe itself. Long-term use will not affect the strength and sealing of the HVAC water pipes, ensuring their safe and stable operation.

The application discloses a kind of suitable for SCR denitration ammonia injection device and device, including ammonia injection pipe and the ammonia injection port of setting at ammonia injection pipe end, ammonia injection pipe includes ammonia main pipeline, branch pipeline and branch pipeline;Along ammonia main pipeline circumferential direction, equidistantly there are several branch pipelines;In branch pipeline, equidistantly and parallelly there are several vertical branch pipeline branch pipelines;Several branch pipelines are in the same plane, plane vertical branch pipeline;In branch pipeline, there is vertical plane ammonia injection port;Ammonia injection port gas outlet direction is same with ammonia main pipeline inner gas flow direction.The ammonia injection device suitable for SCR denitration designed in the application, including branch pipeline and branch pipeline, ammonia injection pipeline because each part branch pipe length is small, and the difference of branch pipeline diameter is not big, so it can reduce the flow resistance of ammonia in pipeline.

The utility model discloses a kind of terephthalic acid filtering devices, including shell, the shell is installed on external equipment, pressure regulating mechanism is provided on the shell, the pressure regulating mechanism includes water inlet pipe, spacer, filter bag and water outlet pipe, the water inlet pipe and water outlet pipe are respectively installed in the both sides of the shell, the spacer is installed in the shell, the water inlet pipe is connected in the upper layer of spacer, the water outlet pipe is connected in the lower layer of spacer, overflow pipe is equipped with on the water inlet pipe, this innovative terephthalic acid filtering device is through the intelligent pressure regulating system of careful design, effectively solve the technical problem that filter bag in traditional equipment is damaged due to pressure fluctuation, realizes the safe and stable operation of production process, and its core technical advantage lies in introducing an automatic pressure regulating mechanism, can respond to the fluctuation of feed pressure in real time, and automatically start pressure relief protection when pressure exceeds safety threshold.

The utility model belongs to photovoltaic support technical field, concretely is a kind of centralized fixed grid-connected photovoltaic support, including pedestal, first support rod, second support rod, fixed inclined shaft, fixed cross shaft, reinforcing rod, connecting piece, circular clamp, single-side pressing block and double-side pressing block, support rod is embedded in the upper portion of pedestal, wherein the lower portion of first support rod is connected with the lower portion of reinforcing rod by circular clamp, the upper portion of support rod and the upper portion of reinforcing rod are connected with fixed inclined shaft by connecting piece, four fixed cross shafts of equidistance are installed on the upper portion of fixed inclined shaft.The utility model structure design is simple and reasonable, and it is universally applicable for large-scale centralized grid-connected photovoltaic power station construction in different terrain, can bear the weight of photovoltaic module, wind load and snow load and other external force in actual application, ensure that photovoltaic module keeps safe and stable operation under various environmental conditions, convenient for later operation and maintenance, save artificial cost.

The present application relates to a transformer fault diagnosis method based on improved sparrow search algorithm optimization SVM, through the pretreatment and feature engineering of transformer oil chromatographic data; according to the data of pretreatment and feature engineering, the model based on oil chromatographic data is constructed, and the model parameters are optimized and trained; the input transformer oil chromatographic data is carried out transformer fault diagnosis based on the optimized and trained model.The present application improves the sparrow search algorithm by introducing the best point set strategy, the golden regular update rule, the differential mutation disturbance and the reverse learning mechanism, so as to comprehensively improve the parameter optimization process of support vector machine, the global exploration ability of the algorithm is enhanced, the risk of falling into local optimum is avoided, and the problem of premature convergence is effectively avoided.In addition, the improved algorithm pays attention to multi-link optimization, and the parameter setting is simple, the algorithm is low in use difficulty, so that the optimized support vector machine (SVM) can effectively improve the transformer fault prediction precision.

The application discloses a quenching system suitable for treating high-temperature flue gas of organic chlorides incineration, which comprises a quenching device and an absorption tower; the quenching device comprises a quenching device jacket serving as a cooling medium channel arranged on an outer wall and a cooling graphite ring arranged on a top; the cooling graphite ring comprises a graphite ring jacket serving as a cooling medium channel, an overflow ring gap is formed on an upper portion of an inner wall of the graphite ring jacket, and cooling medium overflowing from the overflow ring gap can flow down along an inner wall of the quenching device; the quenching device jacket and the graphite ring jacket are communicated through a communication pipeline. The application has the following advantages: 1) the high-temperature flue gas can be rapidly cooled to 120 DEG C or below, the safe and stable operation of the absorption tower is guaranteed, and the generation of dioxin is avoided; 2) the cooling medium is uniformly distributed in the jacket, and the heating of each point in the inner cylinder of the quenching device is uniform; and 3) the high-temperature flue gas can be prevented from washing and corroding the interior.

The application discloses a kind of devices and methods for assisting individual power users to participate in power market quotation, device includes data input module: the type of power market that individual power user participates in is input, the transaction period under the type of participation, the power that each transaction period participates in;Data storage module is arranged by device operator, in networked state, daily update operator issued market information and user information by each device;Data analysis module: for the certain power market of certain time scale of individual power user, carry out the analysis of suggested quotation based on the historical transaction information of power market and the analysis of suggested quotation based on the historical transaction result of individual power user;Data output module: the result obtained by data analysis module, the visualized suggested quotation output for user reference, weaken the hindrance of individual power user participating in power market, promote its enthusiasm of participating in power market transaction, promote demand side resource to participate in power market, guarantee the safe and stable operation of power system.

The application discloses a temperature and humidity controlled low-voltage switch cabinet of a photovoltaic panel and a method, and belongs to the technical field of electrical equipment, and comprises a cabinet body, a plurality of first ventilation holes, each of which is arranged on the top of the outer wall of the cabinet body, a plurality of second ventilation holes, each of which is arranged on the side of the outer wall of the cabinet body close to the bottom edge, and two groups of filtering mechanisms. The temperature and humidity controlled low-voltage switch cabinet of the photovoltaic panel and the method can dynamically adjust the filter mesh aperture, the ventilation angle and the temperature and humidity control strategy according to different dust, humidity and load conditions through the filtering mechanism and the temperature and humidity control mechanism, effectively solve the problems that the heat dissipation, dust prevention and dehumidification effects of the traditional switch cabinet are poor in different environments, and improve the adaptability of the switch cabinet to complex environments. Through the multi-stage filter screen switching and the adjustable outflow angle fan design, in combination with a liquid cooling system, the heat dissipation mode can be flexibly adjusted according to actual conditions.

The application relates to the technical field of dry transformers, and particularly discloses an amorphous alloy dry transformer with a double-layer shell structure, which comprises a mounting box body, a damping pad is fixedly connected to the bottom of the mounting box body through a support, a rain shelter is fixedly connected to the top of the mounting box body through a support, cooling devices are fixedly connected to the two sides of the mounting box body, and a transformer body is fixedly connected to the bottom of the mounting box body through a damping device. The amorphous alloy dry transformer with the double-layer shell structure is provided with the damping device, can absorb most of the vertical and horizontal vibrations generated during the operation of the transformer, and can automatically clean dust on the air inlet of the cooling device and scatter and agitate the drying agent by using the weakened slight vibration, so that the cooling and ventilation effect is improved.

This invention discloses a method for analyzing the oscillation propagation characteristics of wind power transmitted via DRU-MMC. First, a DC-side impedance model of the receiving-end MMC is constructed and aggregated with the DC line impedance to obtain the equivalent DC impedance at the receiving end. Then, the impedance matrices of the wind turbine side and the AC-side impedance matrices of the sending-end lightweight converter are constructed separately. Next, the propagation coefficients of voltage and current of each converter on both the AC and DC sides are solved to analyze the propagation characteristics of subsynchronous / supersynchronous oscillations. Based on these propagation characteristics, the oscillation risk level of different nodes in the AC / DC interconnection system can be further analyzed, accurately identifying nodes with abnormal amplification and concentrated oscillation components. This effectively improves the prediction accuracy and proactive prevention and control capabilities of the AC / DC interconnection system for subsynchronous / supersynchronous oscillation risks, providing a reliable guarantee for the safe and stable operation of large-scale wind power transmission systems via lightweight converters.

This invention relates to the field of flue gas purification technology, and discloses a denitrification system and method. The system includes a flue gas duct, a recovery device, a temperature control device, and a denitrification device, with the flue gas duct connected sequentially to each device. The flue gas duct is used to introduce the flue gas to be denitrated; the recovery device is used to recover moisture from the flue gas; the temperature control device is used to regulate the temperature of the flue gas; and the denitrification device is used to separate nitrogen oxides from the flue gas. This invention removes moisture from the flue gas beforehand through the recovery device, avoiding the adverse effects of moisture on the denitrification catalyst; the temperature control device regulates the flue gas to a suitable reaction temperature, improving denitrification efficiency; and the denitrification device catalytically reduces nitrogen oxides, achieving efficient and stable denitrification treatment. The entire system has a compact structure and a reasonable process, effectively avoiding ammonia escape and equipment blockage problems in traditional ammonia-based denitrification methods while achieving efficient denitrification, offering advantages such as energy saving, environmental protection, and stable operation.

This invention discloses a pre-cooling heat dissipation method, a laser hair removal device, and a computer-readable storage medium. The pre-cooling heat dissipation method, used in a laser hair removal device, includes: controlling a negative temperature coefficient sensor to detect the temperature of the laser module; controlling a cooling pad to cool the laser module until its temperature reaches a first threshold; when the laser module's temperature reaches the first threshold, controlling a prompting module to issue a prompt signal; and controlling the laser module to start working based on the prompt signal. By controlling the negative temperature coefficient sensor to detect the laser module's temperature and controlling the cooling pad to cool the laser module until its temperature reaches the first threshold, and controlling the prompting module to issue a prompt signal when the laser module starts working based on the prompt signal, the pre-cooled and stored cooling capacity of the laser module can quickly remove the large amount of heat generated during laser module operation, ensuring the safe and stable operation of the laser module.

The utility model discloses a massage mechanism running track structure of convertible massage bed or chair, and the front end of electric massage mechanism is equipped with running gear, and running gear is installed on the gear strip to make electric massage mechanism can reciprocating operation, and the bottom of the rear end of electric massage mechanism is installed with upper guide pulley, and the flexible guide rail is the flexible metal strip or plastic strip, and is installed below the gear strip, and the both sides of guide pulley frame are installed with lower guide pulley, and the upper guide pulley of electric massage mechanism is through the lower guide pulley cooperation of guide pulley frame and installs the flexible guide rail, makes it when running not deviate, and angle adjusting mechanism is adjusted into massage bed mode or massage chair mode through controller, the utility model discloses realized massage bed or massage chair in electric adjusting backrest angle's time not to influence electric massage mechanism operation, can lie down massage and can sit and massage, greatly promote user use experience, adapt to more use scene simultaneously, and one thing two use cost performance is higher, and the production cost is low, and it is favorable to the popularization and application.

This invention provides a vehicle air supply system and a vehicle pressure reducing valve. The vehicle air supply system adopts a high-pressure dryer and a back-blowing pipeline structure, which can regenerate the dryer by back-blowing and recover high-pressure gas to a low-pressure storage tank, reducing energy consumption. The vehicle pressure reducing valve in the system includes a body, a primary pressure reducing mechanism, and a secondary pressure reducing mechanism. The body is equipped with a vent, a supply channel, and a transmission channel. The secondary pressure reducing mechanism contains a secondary pressure regulating spring, a secondary return spring, a pressure relief groove, and a secondary valve core, which can realize step-by-step pressure reduction and stabilization of gas, and automatically release pressure when overpressure occurs to protect the gas-using components. It has high pressure regulation accuracy and stable and reliable operation. In conjunction with the vehicle air supply system, it can simultaneously meet the gas demand of the high-pressure air spring and the low-pressure gas-using unit. The system has high integration, good drying effect, safety and stability, and significantly improved applicability and service life.

The application discloses an aero-engine hot-end component full-life-cycle management method and system, and belongs to the technical field of aero-engines.The system constructs a full-life-cycle closed loop system of material gene optimization-precision forming process-service health monitoring-life prediction and active repair, can realize service life improvement of more than 200% of the aero-engine hot-end component, and improves the production yield rate from the conventional 60% in the industry to more than 90%.The application fills the core short board of short life, poor reliability and low yield rate of the aero-engine hot-end component in China, breaks through the core technical bottleneck of the "industrial crown pearl" of the aero-engine, and is 100% domestically produced and controllable in material and process, and can be widely applied to scenes such as army armed helicopter turboshaft engines, military unmanned aircraft turbojet / turbofan engines and the like.

The application discloses an air conditioner and a control method thereof. The air conditioner comprises a casing, a heat exchanger, a heat exchanger fan, a high-temperature steam generating device, a temperature sensor and a controller. The controller is configured to: in response to an instruction of starting the air purification function of the air conditioner, control the steam generating assembly to start operation, acquire the temperature of the steam generating assembly, and control the operation power of the steam generating assembly according to the temperature. The frequent shutdown of the steam generating assembly due to overheating can be avoided, the safe and stable operation of the high-temperature steam generating device for a long time is ensured, the indoor air can be continuously purified, and the user experience is improved.

This invention belongs to the field of valve devices and discloses a handle valve anti-accidental contact device, comprising: a base fixed to the valve body of the handle valve; a limiting component that extends through the base and slides with the base; and a telescopic component disposed in a horizontal through hole in the base. The extensions have limiting holes that cooperate with the telescopic component to restrict the vertical movement of the limiting component relative to the base. The handle valve anti-accidental contact device of this invention achieves adjustable positioning of the limiting component through the cooperation of the telescopic component and the limiting holes. The precise cooperation between the extensions and the handle provides high limiting stability, effectively preventing accidental operation of the equipment by human error, significantly reducing human error, and ensuring the safe and stable operation of the unit.

The utility model relates to ozone preparation technical field, concretely is a kind of ozone generator zero potential grounding pile improved device, including cylinder shell, the side surface of cylinder shell is equipped with semicircle arc door and mounting bolt.The utility model is installed cylinder bottom foot terminal post and cylinder base terminal post respectively on the surface of cylinder support bottom foot and cylinder support base and respectively set up first circular hole and second circular hole on the surface of both, can make all grounding cable O type copper terminal and cylinder bottom foot terminal post and cylinder base terminal post contact surface level, completely coincide, contact surface is very big, contact resistance is very small at this contact surface, its construction flow arrangement is orderly, the grounding pile of improvement low in cost, less material, simple to make, easy to install, at a glance, long time maintenance-free, operation is safe and reliable, it is convenient and simple to use, ensure that ozone generator cylinder shell is not electrified, each grounding pile and outdoor total grounding electrode contact installation are good.

The application discloses a DC-fed receiving-end power grid reactive power distribution method, electronic equipment and a medium, and the method comprises the following steps: obtaining the electrical distance between the substation node in the DC preset range and the DC; sorting the multiple substation nodes in the order from small to large according to the electrical distance, and constructing a reactive power configuration node set to be evaluated for reactive power configuration; calculating and obtaining a reactive power optimization distribution vector based on the reactive power configuration node set; and performing reactive power optimization distribution based on the reactive power gap value under the DC feeding fault and the reactive power optimization distribution vector. The application can ensure that each node can quickly adjust the reactive power output according to the requirements of the optimization distribution vector, fill the reactive power gap, improve the reactive power balance capability and voltage stability of the system under the DC feeding fault, and guarantee the safe and stable operation of the power system by combining the reactive power configuration node set and the reactive power optimization distribution vector to formulate a specific reactive power optimization distribution scheme.

The application discloses a kind of high surface natural micropore structure regulation-based high surface withstand voltage polyimide and preparation method and application thereof, belong to high voltage insulating material technical field, after drying diamine is dissolved in solvent A, then add dianhydride, after stirring uniformly, obtain polyamide acid solution;Add pore forming agent again, high-speed stirring is uniformly dispersed, obtain mixed viscous solution C;After coating, drying, imidization high temperature heating, and natural cooling, immerse in liquid B and extract pore forming agent, after drying, obtain high surface natural micropore structure regulation-based high surface withstand voltage polyimide.The polyimide surface has natural pore structure, surface is along the surface of electric field, and the through-hole structure is densely distributed along the surface of electric field, and the electron is easy to drop into the through-hole structure in the jumping multiplication process when flashover, and it is difficult to return to the surface, so that the secondary electron multiplication process is inhibited, the probability of forming secondary electron avalanche is reduced, so as to realize the improvement of surface withstand voltage.

This invention discloses a method and system for distribution network fault identification based on adaptive visual graphs and multi-source fusion. The method includes the following steps: S1: Acquire multi-source electrical analog data of the distribution network and preprocess it to obtain preprocessed multi-source signals; S2: Dynamically weight and fuse the preprocessed multi-source signals using a correlation variance contribution algorithm to obtain a fused signal; S3: Map the fused signal into a graph structure using an adaptive convergent visual graph algorithm; S4: Input the graph structure into a pre-constructed graph neural network model to obtain a global graph feature vector; S5: Input the global graph feature vector into a fully connected layer and output the fault probability distribution through a Softmax classifier. This invention constructs a feature space that can objectively characterize the essential differences between normal operating conditions and fault states in terms of physical correlation and topological structure, thereby achieving accurate identification of known faults and effective identification and elimination of unknown benign disturbances.

This application relates to an integrated intelligent temperature control and heat dissipation system for a prefabricated box-type substation, belonging to the field of power equipment heat dissipation technology. The system includes a base 1 and a housing 2 mounted on the base 1. The housing 2 is divided into a low-pressure chamber, a transformer chamber, and a high-pressure chamber. The transformer chamber is equipped with an integrated cooling unit 4 connected to a closed-loop temperature control system. The system also includes an intelligent control unit 9. The closed-loop temperature control system includes a cooling plate 5, a heat exchange unit 6, a circulating pump 7, an expansion tank 14, a water replenishment device 15, and an optional plate heat exchanger 8. The intelligent control unit 9 is equipped with a load feedforward-temperature feedback dual-mode predictive controller. This controller embeds a lightweight LSTM model. Input variables include the transformer primary current harmonic distortion rate (THD), the active power change rate (dP / dt), the winding temperature rise history curve measured by distributed optical fiber, and the cooling water inlet and outlet temperature difference (ΔT). The output is the target flow increment (ΔQ) of each cooling chamber within the next 60 seconds and the pre-speed command of the heat exchange fan. This application can solve the problem of control response lag caused by the thermal inertia of the cooling medium and improve the thermal response capability of the transformer under sudden short-term overload conditions.

This invention provides an electroencephalogram (EEG) simulation device, comprising an interaction module for receiving and displaying user input information and feedback signals from a processing module, converting the input information into input signals and sending them to the processing module; a processing module for generating corresponding modulation control signals, power control signals, and feedback signals based on the input signals; a signal generation module for generating waveform signals; a signal modulation module for modulating the waveform signals according to the modulation control signals to generate simulated EEG signals for output; and a power supply module for supplying power to other modules according to the power control signals. The beneficial effects of this invention are that the precise modulation of the waveform signals and the application of bias voltage make the output simulated EEG signals more closely resemble real brain activity, which is beneficial for scientific research and clinical applications; and the design of common-mode filters and capacitors in the power supply module effectively reduces the impact of environmental noise on system performance.

This invention relates to a method and system for retrieving switchgear temperature. The method includes: Step S1: acquiring historical temperature data of the switchgear and training a deep neural network using the historical temperature data; Step S2: during the training of the deep neural network, searching for the optimal parameters of the model using an enhanced Newton-Raphson optimization algorithm to obtain the trained deep neural network; Step S3: inputting real-time temperature data of the switchgear into the trained deep neural network to predict the future temperature of the switchgear. This invention can effectively retrieve the temperature of switchgear.

The application discloses a sheet metal adaptive multi-axis laser cutting head and path control mechanism, and relates to the field of laser cutting heads, which comprises a multi-axis control module and a laser module, the outer wall of the laser module is provided with a fixed plate, the bottom of the laser module is provided with a path control mechanism, the bottom of the path control mechanism is provided with an auxiliary mechanism, and the outer side of the laser module is provided with a gas conveying mechanism. The application is provided with a double anti-collision protection structure through adaptive fitting, which guarantees the safe and stable operation of the cutting head. The movable ball at the bottom of the sleeve nozzle can roll on the surface of the sheet metal, and the adaptive fitting of the cutting head and the surface of the workpiece is realized through the elastic buffer of the connecting spring, so that the cutting focal length is stably maintained. The double-trigger anti-collision design is realized through the cooperation of the first and second metal trigger pieces and the inductive proximity sensor, the collision risks of the top and bottom of the cutting head are respectively detected in a non-contact real-time manner, the multi-axis control module can be quickly triggered to stop and protect, and the laser head can be effectively prevented from being damaged by collision.

The application discloses a power distribution network wire state recognition method and device, terminal equipment and storage medium, and belongs to the power distribution network field. The method is: inputting a flight image of a wire to be recognized into a preset backbone network to obtain a preliminary feature map output by the backbone network; inputting the preliminary feature map into an MDPE module to enable the MDPE module to perform multi-dimensional feature perception processing and noise suppression processing on the preliminary feature map to obtain a deep semantic feature map; inputting the deep semantic feature map into a preset HSFPN module to enable the HSFPN module to perform attention feature fusion on the deep semantic feature map to obtain a multi-scale fusion feature map; inputting the multi-scale fusion feature map into a detection head to obtain key point coordinates and contour segmentation masks of the wire to be recognized, and determining a wire state of the wire to be recognized according to the key point coordinates and the contour segmentation masks. Through implementation of the application, the problem of low power distribution network wire state recognition efficiency in the prior art can be solved.