137 results about "Electric power distribution" patented technology

The invention provides a multi-machine collaborative distribution network inspection method and system based on digital twinning, and belongs to the technical field of digital twinning. According to the technical scheme, an electric power distribution network framework and base station distribution are mapped to a GIS remote sensing map, a comprehensive digital twinning model is constructed, and an inspection area is delimited based on the comprehensive digital twinning model. By analyzing base station distribution and topographic features in the area, the comprehensive inspection difficulty is determined, and then the inspection area is divided into a plurality of task blocks. And selecting an optimal target nest from the deployed unmanned aerial vehicle nests by adopting a contract net mechanism to execute an inspection task, and generating an optimized inspection route according to the task block and the nest position. And finally, the unmanned aerial vehicle controlled by the target nest completes all inspection tasks according to the planned route. According to the scheme, intelligent scheduling of inspection resources and accurate distribution of tasks are realized, the inspection efficiency of the power distribution network is remarkably improved, the inspection cost is reduced, and a powerful guarantee is provided for safe and stable operation of a power grid.

A method protects against fault arcs in an electric power distribution system in which electric power from an electric feed point is distributed via a common superordinate main distribution line and from the common main distribution line via multiple subordinate output lines. The main distribution line can be interrupted by a main switch, and each of the output lines can be interrupted by a paired output switch. A fault arc current threshold which, when exceeded by a fault arc current of a fault arc, is a precondition for triggering the main switch is matched to the maximum forward current and / or the output trigger duration of the output switches such that a fault arc is quenched selectively either by one of the output switches or by the main switch before the energy released by the fault arc exceeds a specified energy threshold.

The invention relates to the technical field of information, in particular to a control method and system for an intelligent photovoltaic charging pile in the technical field of automobile charging piles, and the method comprises the steps: obtaining the charging demands and residual electric quantity information of a plurality of electric automobiles, dynamically adjusting the charging power of each automobile through combining with an electric power distribution algorithm, and guaranteeing the reasonable distribution of electric power resources; acquiring real-time load data through a power grid load monitoring system, predicting a future power grid load change trend in combination with a historical load curve, and judging whether a charging strategy needs to be adjusted or not; according to historical data and real-time data, cooperative working parameters of photovoltaic power generation and storage battery power storage are optimized by adopting a machine learning algorithm, and the overall efficiency of the system is improved; a cooperative working mode of photovoltaic power generation, storage battery power storage and power grid power supply is dynamically adjusted through an intelligent optimization algorithm; if the illumination fluctuation is large, a standby power supply is started to supplement power supply, it is ensured that the charging process is not affected, meanwhile, the energy storage efficiency is optimized, and power resource waste is reduced.

The invention belongs to the field of charging pile energy recovery, and particularly relates to a charging pile system based on an immersed liquid cooling technology and waste heat recovery. A power distribution unit is arranged on the inner side wall of a shell, a liquid cooling box is arranged in the shell, the liquid cooling box is filled with cooling liquid, and a charging module is arranged in the liquid cooling box; the charging module is completely immersed in cooling liquid in the liquid cooling box, two heat exchange assemblies are arranged on one side of the liquid cooling box and located in the shell, a water storage assembly is arranged on one side of the shell, and the liquid cooling box and the two heat exchange assemblies communicate with each other and form circulating heat exchange on the cooling liquid in the liquid cooling box. The two heat exchange assemblies and the water storage assembly communicate with each other, and circulating heat exchange of water in the heat preservation water tank is formed. Through the arrangement of the cooling liquid purity detection module and other assemblies, real-time purity detection can be conducted on cooling liquid flowing back into the liquid cooling box, and when the first plate heat exchanger breaks down, the second plate heat exchanger is switched to guarantee hot water supply.

The invention discloses an electric power distribution method convenient for maintenance. By arranging a second threaded column (21) and an extrusion plate (22), when the second threaded column (21) rotates, the extrusion plate (22) can be driven to rotate, then the extrusion plate (22) can drive a friction pad (27) to rotate, and when the friction pad (27) is connected with the lower surface of the inner wall of a shell (1) in a lap joint mode, a support plate (17) can be fixed; and by arranging a stop block (28), when the back face of a second protection plate (10) is connected with the front face of the stop block (28) in a lap joint mode, a first threaded column (13) can be more conveniently connected with a second threaded sleeve (14), and therefore the second protection plate (10) can be better fixed. The electric power distribution method convenient for maintenance has the advantages that the structure is compact, the design is reasonable, and the practicability is high.

A self-power-consumption power supply system suitable for a large energy storage power station comprises a low-voltage station power-consumption bus power distribution cabinet installed in a booster station power distribution room, the low-voltage station power-consumption bus power distribution cabinet is connected with at least one energy storage system local distribution box, and the energy storage system local distribution box is arranged on the ground of an energy storage area. The energy storage system local distribution box is connected with at least one dual-power-supply change-over switch, and one path of the dual-power-supply change-over switch is connected with an auxiliary transformer of the energy storage PCS and used as a normal power supply. The other path of the dual-power change-over switch is connected with a station power distribution box to serve as a standby power supply; and the dual-power change-over switch is positioned on the energy storage PCS equipment. According to the utility model, an affiliated transformer of energy storage PCS equipment is used as a main power supply, and electricity of a low-voltage station of an energy storage power station is used as a standby power supply. Wherein the standby power supply is reasonably provided with an on-site distribution box and a looped network circuit breaker box according to equipment arrangement and equipment grouping of the energy storage power station, so that the stability of self power utilization of the energy storage power station can be effectively ensured, and the workload of equipment and field installation is saved.

The invention discloses an electric power distribution network load monitoring device, which relates to the technical field of electric power monitoring and comprises a base, a cleaning mechanism, two groups of mutual inductors, a moving mechanism, a shaking dust removal mechanism, a clamping mechanism and a transmission assembly, the moving mechanism is used for driving the cleaning mechanism to transversely move on the base; the shaking dust removal mechanism is used for shaking off dust adhered to the cleaning mechanism; the mutual inductor is used for monitoring the load of the wire; the clamping mechanism is used for driving the two mutual inductors to make contact with or be separated from the wire surface. According to the invention, a mode of firstly cleaning and dedusting and then clamping and measuring is adopted, and the cleaning mechanism and the clamping mechanism act in a linkage manner, so that the monitoring operation efficiency is improved, manual cleaning and then clamping and monitoring are not needed, and the working labor intensity is reduced; and dust which is adhered to the cleaning mechanism and is cleaned from the surface of the electric wire can be removed in a shaking manner through the shaking dust removal mechanism, so that the cleaning mechanism can automatically remove dust, and the dust removal effect on the electric wire is ensured during next use and operation.

The present invention relates to an electric power distribution network fault processing device applied to the field of power distribution technology, aiming to improve the fault prediction, diagnosis and processing capabilities of the power system. The device includes a pre-training module, a neural network architecture module, a data acquisition layer, an edge computing layer, a core processing layer, a context learning module, an inference processing module, an output and interaction layer, and a continuous learning and improvement layer. The core of the present invention lies in the use of large-scale pre-trained Transformer models, combined with power system expertise, to achieve in-depth understanding and analysis of complex power grid states. Through multi-source data fusion, edge computing and center collaborative processing, the device can monitor the power grid state in real time, accurately predict potential faults, and provide intelligent diagnosis and repair suggestions. Self-supervised learning and federated learning technologies are used for model pre-training and optimization; reinforcement learning is used to optimize fault response strategies; the model's interpretability is achieved, and decision-making transparency is improved.

The invention discloses an electric power system monitoring data analysis method and system based on big data, relates to the technical field of electric power system monitoring, ensures comprehensiveness and accuracy of data through real-time and multi-dimensional data acquisition, and provides a solid foundation for subsequent data processing and analysis. According to the method, the problems of data lag and incomplete information in the traditional data acquisition process are effectively solved, the timeliness and accuracy of the data are improved, and the load dispatching optimization module dispatches power to an area with a high load value according to the comparison of a load predicted value LT and a load critical value LLT. And intelligent scheduling of electric power resources is realized. The waste of electric power resources is effectively avoided, the electric power demand of a high-load area is ensured to be preferably met, and the efficiency and fairness of electric power distribution are improved. And the real-time adjustment module adjusts the power dispatching scheme according to the actual load prediction value LT to ensure dynamic optimal distribution of power resources.

A device and method for fault management for an electric power distribution network incorporating intermittent generation sources. The method involves configuring multiple hyperparameters for a series of Convolutional Neural Networks (CNNs). A first CNN is trained using current signal imagery from phasor measuring units (PMUs) during fault conditions to classify faults. A second CNN is trained with signal images from PMUs captured during pre-fault and fault cycles for identifying fault sections. Similarly, a third CNN is trained using these images to determine the exact fault location. Once trained, the CNNs are employed sequentially. The first CNN classifies the fault, the second detects the fault section, and the third ascertains the fault location. Subsequently, a comprehensive fault management strategy is deployed.

The invention discloses a distribution network material demand multiple regression prediction technology based on correlation factor analysis. Under the background of rapid development of economy and continuous acceleration of urbanization pace, an electric power distribution network project serves as a core part of infrastructure construction, and the importance of demand prediction of the electric power distribution network project is increasingly prominent. The demand of power distribution network materials is influenced by various factors, such as economic growth, population change, industrial structure, technical progress and the like, and the related historical data accumulation sample size is small. If only the historical time sequence data of the material quantity is predicted, on one hand, the prediction effect is limited by the existing small data sample size, and on the other hand, the prediction result is not accurate enough due to neglecting the influence of other important influence factors. According to the method, four related factors of the distribution network are comprehensively considered based on correlation analysis, the four related factors comprise the number of projects, the issued plan amount, the power supply amount and the GDP, all the influence factors are combined, and the distribution network materials are predicted through multiple regression. According to the invention, auxiliary support can be carried out on material purchasing related work of a material department, the purchasing cost and the inventory cost are saved to a great extent, and the enterprise competitiveness is improved.

The invention discloses a shockproof heat dissipation electric power distribution cabinet, and relates to the field of electric power distribution cabinets, the shockproof heat dissipation electric power distribution cabinet comprises a cabinet body and a fan mounting port arranged on the cabinet body, mounting plates are symmetrically arranged on the two sides of the inner wall of the cabinet body, and the fan mounting port is movably connected to the mounting plates on the two sides through a pair of sliding plates and can move up and down relative to the cabinet body; a vibration buffering and transmission mechanism is arranged between each sliding plate and the corresponding mounting plate; the vibration buffering and transmission mechanism comprises an extrusion block arranged on the sliding plate; and the extrusion air bag is arranged on the mounting plate and corresponds to the extrusion block in position. Vibration of the fan mounting opening is mechanically transmitted to the buffer plate in a linkage mode through the extrusion block, the extrusion air bag and the gear transmission assembly, active absorption and dissipation of vibration energy are achieved, and meanwhile a heat dissipation air channel structure and a damping mechanism are integrated.

The invention belongs to the technical field of energy storage, and discloses a power distribution system, and the system comprises an energy storage base station which is provided with a first motion assembly, and the first motion assembly is used for driving the energy storage base station to move; the energy storage distribution equipment comprises an energy storage host and a second movement assembly, the second movement assembly is installed on the energy storage host and used for driving the energy storage host to move, the energy storage host is provided with a battery pack, a charging port and a discharging port, the charging port and the discharging port are electrically connected with the battery pack, and the electric power distribution system has a connection state and a separation state; the energy storage distribution equipment is in butt joint with the energy storage base station, and the energy storage base station can charge the battery pack through the charging port; and in the separation state, the energy storage distribution equipment is separated from the energy storage base station. According to the power distribution system provided by the invention, the power distribution difficulty can be reduced, and the power distribution range of the power distribution system is enlarged.

This disclosure relates to bidirectional current limiting circuits for use in aircraft electric power distribution systems. Example embodiments include a bidirectional current limiting circuit (500a-c) comprising first and second JFETs (501, 502) connected between first and second terminals (503, 504), wherein: the first terminal (503) is connected to a drain of the first JFET (501) and to a gate of the second JFET (502) via a first biasing element (505, 701); he second terminal (504) is connected to a drain of the second JFET (502) and to a gate of the first JFET (501) via a second biasing element (506, 702); and a source of the first JFET (501) is connected to a source of the second JFET (502).

The present invention is to appropriately improve temperature uniformity and electric field uniformity including the outer periphery of a substrate in a substrate processing apparatus. A substrate processing apparatus for processing a substrate, characterized by comprising: a processing chamber; a support member disposed in the processing chamber, having a tray support surface for supporting a tray on an upper surface; and at least one power source electrically connected to the support member, the tray having a recess capable of accommodating the substrate formed on an upper surface, the tray including an electric power distribution unit capable of distributing electric power output from the at least one power source in an in-plane direction.

The present invention relates to the field of data processing technology, and in particular to a data processing method for an electric power distribution device, comprising: constructing a data point set for reflecting the electric power load in the current area based on the collected electric power consumption data of users in the current area, clustering the data points in the data point set multiple times using the K-means clustering algorithm; obtaining multiple circular rings of each category in each clustering result, and determining the data density of each circular ring; sequentially determining the rationality of the intra-class density change, the rationality of the inter-class distribution, and the degree of preference of each clustering result; and determining the optimal clustering result of the K-means clustering algorithm based on the magnitude of the degree of preference, thereby realizing data processing of the electric power distribution device. The present invention deeply analyzes the distribution characteristics of the data points within the cluster category, taking into account the rationality of the intra-class density change and the rationality of the inter-class distribution, ensuring that the clustering results are more consistent with the spatial distribution and density differences of the actual electric power load, and more truly reflecting the electric power consumption behavior in different areas.

The utility model discloses an electric power distribution line switching device, which belongs to the technical field of electrical connection, and comprises a lower switching box and an upper switching box, the middle parts of the inner cavities of the lower switching box and the upper switching box are fixedly sleeved with silica gel insulation clamping blocks, the two silica gel insulation clamping blocks are provided with inner arc-shaped grooves, and the inner arc-shaped grooves are provided with inner arc-shaped grooves. The bottom surface of the upper switching box is attached to the top surface of the lower switching box, and one end of an inner cavity of the lower switching box and one end of an inner cavity of the upper switching box are sleeved with first electric wires. According to the utility model, after the first electric wire and the second electric wire are connected, the lower switching box and the upper switching box are sleeved on the outer side of the joint of the first electric wire and the second electric wire, and the joint of the first electric wire and the second electric wire is extruded and fixed in the inner arc-shaped grooves on the two silica gel insulation clamping blocks; and the clamping hooks on the two sides of the upper transfer box are clamped into the U-shaped clamping seats on the two sides of the lower transfer box, so that the lower transfer box and the upper transfer box are conveniently fixed, and the practicability is good.

The utility model discloses an electric power distribution cabinet, which belongs to the technical field of power distribution cabinets and comprises a cabinet body used as the electric power distribution cabinet, the side edge of the cabinet body is rotatably connected with a knob, one side of the knob close to the cabinet body is fixedly connected with a circular gear, and the side edge of the circular gear is meshed with a rack slidably connected with the cabinet body. The side edge of the rack is fixedly connected with a first baffle connected with the cabinet body in a sliding mode, the side edge of the cabinet body is connected with a first clamping plate used for fixing the first baffle in a clamped mode, the side edge of the first clamping plate is fixedly connected with a threaded rod, and the side edge of the cabinet body is fixedly connected with a fixing plate. The rack and the first baffle are driven to move up and down, and side door opening is not needed.

The utility model provides a power distribution box panel welding positioning device, which relates to the field of distribution box panel welding and comprises a supporting base, a rotating mechanism is arranged on the upper portion of the supporting base, and the rotating mechanism comprises a rotating disc, a driving motor, a vertical rotating shaft, a grooved wheel, an arc-shaped locking notch, a shifting groove, a driving disc, a shifting disc and a shifting column. Through the arrangement of the rotating mechanism, after a front side gap between the power distribution box and the panel is welded, a worker does not need to hold a welding tool to walk to the rear of the welding positioning device, and therefore the convenience in the welding process of the power distribution box and the panel is greatly improved; the electric power distribution box panel welding positioning device solves the problem that in the actual use process of an existing electric power distribution box panel welding positioning device, after a front side gap between an electric power distribution box and a panel is welded, a worker needs to hold a welding tool to walk to the rear portion of the welding positioning device, and therefore convenience in the electric power distribution box panel welding process is reduced.

The embodiment of the application discloses a kind of thermal test device and test method, thermal test device includes metal body, metal body includes two metal plates distributed in working medium passage two sides. A plurality of electrically conductive ends are arranged at each metal plate, and the plurality of electrically conductive ends include at least two electrically conductive initial ends and electrically conductive terminal, in at least two electrically conductive initial ends, select any one electrically conductive initial end as test initial end, and test initial end and electrically conductive terminal are respectively connected to the two poles of power supply. The thermal test device disclosed in the application, by selecting any one of at least two electrically conductive initial ends as test initial end, the heating length of the metal plate located on both sides of the working medium passage can be controlled, thereby the heating conditions of symmetrical heating and asymmetrical heating can be simulated, so that the flow and heat exchange law inside the working medium passage under non-uniform thermal load can be tested, and the thermal hydraulic parameters of the working medium passage under a specific electric power distribution can also be obtained, and the test efficiency of the heat exchange equipment can also be improved.

The utility model provides a climbing safety sliding piece applied to electric power distribution network construction, which belongs to the technical field of electric power distribution networks and comprises a sliding piece main body, the sliding piece main body is of a long-strip-shaped structure, connecting holes are formed in the two ends of the sliding piece main body, the sliding piece body is provided with a safety belt connecting piece, a safety belt, a locking mechanism and a fixing support, the safety belt connecting piece is connected with the sliding piece body through the connecting hole and used for connecting the safety belt and the sliding piece body, and the locking mechanism is arranged on one side of the sliding piece body and used for locking the safety belt. The locking mechanism is used for being meshed with the surface of a telegraph pole to provide gripping force, the locking mechanism comprises at least one spiral locking piece, the locking piece is provided with a spiral edge, and the central axis of each locking piece is parallel to the central axis of the sliding piece body; the climbing safety sliding piece overcomes the defects that a traditional climbing safety sliding piece is insufficient in holding power and prone to slipping off.

The utility model discloses a lightning protection mechanism for a power distribution box, and relates to the technical field of lightning protection mechanisms for power distribution boxes. The lightning protection mechanism for the power distribution box comprises a surge protector, a shell is arranged on the back of the surge protector, a fixing box is arranged on the back of the shell, and a pop-up assembly is arranged between the fixing box and the shell and used for popping up the shell by a certain distance. According to the lightning protection mechanism for the power distribution box, the structure that the fixing box is additionally arranged on the back of the shell of the surge protector is adopted, and when no vacancy exists on an installation track in the power distribution box, the surge protector can be conveniently fixed in the power distribution box through a bolt by a lock bolt on the fixing box; when the wiring port on the shell of the finally added surge protector is located right below the electric brake, the pop-up assembly is convenient to eject the shell for a certain distance, so that no obstacle exists above the wiring port on the shell, and a cable is convenient to be stably connected into the wiring port.

The utility model provides a line fixing device for a power distribution cabinet, which comprises a power distribution cabinet main body, a mounting seat arranged in the power distribution cabinet main body, a base arranged in the mounting seat, a chute arranged at the top of the base, a lower clamping plate fixedly arranged at the top of the base, and an opening arranged at the top of the lower clamping plate and matched with the chute. And a sliding column is slidably connected into the sliding groove and penetrates into an opening in the lower clamping plate, an upper clamping plate is fixedly installed at the top of the sliding column, and the upper clamping plate is matched with the lower clamping plate. According to the utility model, through the arrangement of the lower clamping plate and the upper clamping plate, a circuit can be fixed in the arc-shaped groove on the lower clamping plate, then the lower clamping plate and the upper clamping plate are combined together through the elasticity of the reset spring so as to realize the fixation of the circuit, and meanwhile, the circuit can be firmly fixed through the cooperation of the rubber pad and the anti-skid grains; and meanwhile, the damage to the line is avoided, the line is convenient and fast to mount and dismount, and the maintenance and repair work of the line is facilitated.

The utility model belongs to the field of capacitor current tester, specifically is a kind of electric power distribution network capacitor current tester equipment calibration device, including box, the inner surface of box is connected with calibrator body, the surface rotation of box is connected with take-off component, the surface of take-off component is overlapped with test line structure;Through the structural design of take-off component, before using the calibration device, detection personnel pull input connector, make cylinder rotate and release test line body to enough length, subsequently detection personnel connect input connector to the tested tester, then connect output connector to calibrator body and carry out calibration, after completing calibration, detection personnel pull out input connector and output connector, rotate rotating handle and make cylinder reverse rotation, make the test line body released rewrap back on cylinder, so that the calibration device can store test line and be convenient for using when calibration, improve the convenience of using the calibration device.

The invention relates to the field of electric power distribution, in particular to an electric power distribution equipment safe operation detection method and system, and the method comprises the steps: constructing and training a graph neural network related to electric power distribution equipment; nodes of the graph neural network represent each device, and operation data of each power distribution device is collected; the edges represent the electrical connection relationship between the devices; the input is the operation data and the electrical connection relation of the equipment, and the output is the fault probability distribution of each equipment for each fault type; screening nodes according to the output fault probability distribution to obtain predicted fault nodes, calculating the migration influence of the predicted fault nodes on other nodes under the condition of each fault type, and adjusting the fault probability of the node according to the migration influence of each node to obtain the predicted fault probability. The method has the effect of improving the accuracy and reliability of fault prediction.

The present application provides a grounding facility for distribution electric wire. The distribution electric pole welding facility is a grounding terminal box installed on the electric pole, which electrically connects the distribution grounding wire of the distribution line and the ground grounding wire in the ground together, and a distribution electric pole welding facility installed at the end of the ground grounding wire, which includes a grounding assembly comprising a grounding terminal. The grounding assembly can pass through the connected grounding wire rod, the grounding terminal box of the grounding wire at the lower end of the grounding rod, and the grounding terminal box of the grounding wire of the grounding wire. The grounding terminal can pass through the grounding terminal of the grounding wire of the grounding wire. In order to facilitate the control, it is installed at the top of the rod extension pipe, seals the top of the rod extension pipe, includes smoke generating material for generating smoke, and rod smoke cap for installing electric igniter. The smoke material is ignited by electricity. The electric igniter works by the power supply of the battery, so as to generate smoke on the smoke material.

The invention provides a solid-liquid mixing electric heating heat storage agent optimization method and system, and relates to the field of energy thermal engineering and artificial intelligence. According to the method, a deep neural network is pre-trained by using simulation data of a source field, and hidden layer parameters are frozen to extract universal width features. An output weight is calculated by adopting an elastic network regularization and improved alternating direction multiplier method, and high-precision modeling and prediction of the operation characteristics of the solid-liquid mixed electric heating / heat storage device are realized under a small sample condition. In order to reduce wind curtailment and light curtailment and optimize system performance, a data-driven improved transfer learning agent model method is adopted. The system comprises a solid-liquid hybrid electric heating / heat storage device which is used for quickly responding to wind and light fluctuation and long-time peak regulation and relates to multi-physical field coupling, and the operation characteristics of the system are influenced by multiple factors such as the fluid flow speed and electric power distribution. According to the method, real-time optimization of system operation parameters and control strategy formulation under complex working conditions can be realized, and the method has relatively high engineering application value.

To provide a power conversion device that can prevent diagnostic time from increasing and improve diagnostic accuracy.SOLUTION: A power conversion device 10 is repurposed from a mobile body and placed in a power panel. The power conversion device includes a power conversion circuit portion 30, a case 40, a bus bar 53, and a diagnostic contact portion 70. The case houses the power conversion circuit portion and has an opening 41. The bus bar is electrically connected to the power conversion circuit portion and is electrically connected to an external connector 110 outside the case. The diagnostic contact portion 70 is electrically connected to the power conversion circuit portion through the opening, and is provided so as to be able to contact a diagnostic device outside the case without removing the external connector.SELECTED DRAWING: Figure 6

The application discloses an electric power distribution cabinet electric leakage detection system and method, belongs to the field of intelligent detection, data processing and safety technology, and through joint optimization of electric field and magnetic field transient signals, distinguishes real electric leakage from interference and avoids false positives. Combined with the event authenticity verification of the temperature field and the vibration field of the distributed optical fiber, the reliability of the electric leakage event is ensured. Using the time domain reversal technology in the electromagnetic propagation model considering the internal metal components of the power distribution cabinet, through the spatial coincidence constraint of the electric field and magnetic field focusing area, the positioning error caused by the multipath effect is overcome, and the accurate positioning of the electric leakage point is realized. Through the physical consistency verification of the electromagnetic positioning result and the cumulative physical field characteristics of the distributed optical fiber, the reliability and accuracy of the electric leakage positioning result are improved.

The invention discloses an electric power distribution network load detection device with a fire extinguishing mechanism, and relates to the technical field of electric power load detection devices, the electric power distribution network load detection device comprises a load monitor cabinet body, a load monitor body is arranged in the load monitor cabinet body, and a fire extinguishing assembly is arranged in the load monitor cabinet body. One side of the load monitor cabinet body is provided with a smoke exhaust assembly, and one side of the load monitor cabinet body is provided with a purification assembly; the smoke exhaust assembly comprises a heat dissipation opening formed in one side of the load monitor cabinet body, a heat dissipation cavity plate is arranged on the outer side of the heat dissipation opening, a filter screen plate is arranged on one side of the heat dissipation opening, a driving motor is fixedly connected to the interior of the load monitor cabinet body, and the fire extinguishing assembly comprises a mounting block fixedly connected to the interior of the load monitor cabinet body; by means of the fire extinguishing assembly, rapid response can be made and a fire source can be extinguished at the initial stage of a fire, fire spreading is prevented, loss of equipment is reduced, and potential fire hazards are found and treated in time.