15 results about "Electric power distribution" patented technology

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.

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 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 utility model provides a kind of line fixing device for electric power distribution box, including cabinet and several mounting plates, several mounting plates are detachably set in the inner cavity of cabinet, several placing plates are transversely spaced in the inner cavity of cabinet, and movable plate for fixing mounting plate is vertically set on the side wall of cabinet and each placing plate.The utility model provides a kind of line fixing device for electric power distribution box, first pull up movable plate, place mounting plate on placing plate, and make it flush with long slot, release movable plate, under the elastic action of supporting spring, long slot is clamped into the top of mounting plate, the fixing of mounting plate, when it is necessary to remove mounting plate, pull up movable plate again, make long slot separate from mounting plate, mounting plate can be removed, when more lines are connected, additional mounting plate can be installed, line fixing area is quickly increased, when part of line is no longer used, remove corresponding mounting plate, release space, greatly reduce the cost and time of distribution box reconstruction.

The utility model discloses a modularization assembly switch cabinet, including bottom plate, casing assembly and connecting component, casing assembly is located bottom plate top and contains at least two casing, and connecting component realizes the detachable connection of bottom plate and casing. Through setting up T type sliding slot, casing sets up the structure such as the connecting block with hole, cooperation multiple connecting component forms, make switch cabinet each part can quick assembly disassembly, effectively promote installation efficiency and flexibility, reduce operation and maintenance cost, be suitable for multiple electric power distribution scene.

The application discloses a kind of based on whole life cycle theory's distribution network engineering evaluation method, belong to electric power distribution network engineering evaluation technical field, including establishing data dictionary to carry out data acquisition, to data analysis obtains construction construction safety evaluation index and operation and maintenance construction safety evaluation index value and obtains the weighted sum of two indexes to carry out evaluation index joint analysis.The application obtains the data needed by evaluation analysis by data acquisition, can quantitatively obtain construction construction safety evaluation index and operation and maintenance construction safety evaluation index by data analysis, solve the focus of existing post-evaluation work for the cost evaluation of planning to completion, there is no safety risk assessment for construction in the process of construction, operation and maintenance, cannot ensure that the construction safety risk of electric power distribution network engineering in the process of construction, operation and maintenance is in the state of controllable, in control and controllable, cannot carry out construction risk evaluation for electric power distribution network engineering in whole life cycle.

The utility model discloses an electrical building power distribution room roof ponding alarm device, contain first power supply, relay, a plurality of positive electrode, a plurality of negative electrode, second power supply, relay first normally open contact and alarm, positive electrode and negative electrode adopt linear structure and positive electrode and negative electrode are mutually parallel and are arranged on the roof of electrical building power distribution room, a plurality of positive electrode and a plurality of negative electrode follow along horizontal direction equal interval distribution and follow one positive electrode, one negative electrode's order cyclically alternate distribution, one end of a plurality of positive electrode all are connected with relay one end, the other end of relay is connected with the positive pole of first power supply, one end of a plurality of negative electrode all is connected with the negative pole of first power supply, and second power supply, relay first normally open contact and alarm constitute loop. The utility model has realized real -time monitoring to the roof ponding condition of electrical building power distribution room, and when ponding occurs, triggers the alarm rapidly.

The application provides a variable speed ratio vertical axis wind turbine system, comprising: a vertical axis wind rotor with blades; a brake, a multi-gear transmission, a generator, a power battery, and an electric power distribution unit, a gear hydraulic system and a controller electrically connected with the generator. Through the switching and regulation of gears, the generator is always in the high-efficiency power generation area. At the same time, smooth switching of the gearbox gears can be realized during the working process, the impact is reduced, the service life of the generator is increased, the brake can be used for the vertical axis wind turbine, and in the case of emergency, the accumulator can ensure that the wind turbine still has the brake function in the case of failure of the hydraulic system, so that safe, reliable and efficient power generation is ensured.

The utility model provides power distribution electric energy metering box, include: main box, the inside of main box is provided with upper interlayer cavity, lower interlayer cavity, the transmission cavity is provided with in the main box between upper interlayer cavity and lower interlayer cavity, the inside of upper interlayer cavity is assembled with the air passage cover shell of extending, the inside of lower interlayer cavity is assembled and is installed with the extension cover shell of extending, the inside of transmission cavity is assembled with transmission mechanism, four groups of hoisting components are installed in transmission mechanism, and the hoisting end of hoisting component penetrates extension cover shell, and the hoisting end of hoisting component is fixedly installed with the tank bottom groove body in common, and the top of tank bottom groove body and the bottom of extension cover shell can be split and docked combination. The utility model realizes the seamless link of extension space and main box, guarantees the protection performance not to attenuate, and multiple sets of adjusting hole cooperate fastening rotation and realize the multistage fixation of cover shell extension length, and the inside mounting space of metering box is flexibly extended according to demand, and the layout demand of different scale metering equipment, line is adapted.

The utility model provides a kind of electric power distribution system, electric power distribution system includes power supply, switchboard and multiple loads.Power supply provides electric power.Switchboard is coupled power supply, to receive electric power.Multiple loads are coupled switchboard, and switchboard generates control signal according to first operation script to control switchboard distribution electric power to the multiple loads.Switchboard also includes control circuit, and control circuit predicts the power demand of each load according to the power usage history data and real-time power consumption data of each load, and generates first operation script according to the value data when each load operates and the power demand of each load.Therefore, the operation script of optimal economic benefit can be provided to distribute electric power to load.

The utility model discloses a kind of electric power distribution network grounding protection mechanism, including box, the upper surface of the box is provided with drainage plate, the both sides of the upper end of the box are provided with fixed plate, the lower end of the box is provided with base, the lower surface of the base is evenly provided with grounding rod, the front end surface of the box is provided with sealing plate, the four end corners of the base are provided with fixed hole, the inner wall of the box is provided with moisture-proof board, the both sides in the box are provided with explosion-proof board, the side of the explosion-proof board is evenly provided with electrically conductive pole, the outside of the electrically conductive pole is provided with positioning ring, insulation rubber is arranged between the positioning ring and electrically conductive pole, the side of the insulation rubber is provided with positioning plate, one end of the electrically conductive pole is provided with connecting rod, the inside of the connecting rod is provided with limit plate. The utility model is convenient for staff to connect ground wire, improve the protection of ground device.

The utility model relates to the technical field of electric power line inspection, and discloses an electric power distribution line troubleshooting device, which comprises a universal meter, one side of the universal meter is provided with a conductive connecting line, one side of the universal meter is provided with a storage box used for storage, the top of the storage box is provided with a cover plate used for protection, and the cover plate is provided with a power supply. And one end of the connecting line is fixedly connected with an inspection pen. According to the power distribution line troubleshooting device, through cooperative arrangement of a connecting line, a storage box and a cover plate, the device can conveniently store the connecting line during use, and the situation that the connecting line is wound when the device needs to be used, so that the troubleshooting efficiency of a power utilization line is reduced is prevented; the connecting line can lead the current of an electric circuit into the device, so that the device can check the circuit, the storage box can protect the connecting line, and the situation that the connecting line is damaged and normal use of the device is affected due to the fact that the connecting line is rubbed during storage is prevented.

The utility model relates to power distribution network construction tool technical field discloses a kind of electric power distribution network pulling tool, including support part, take-off line subassembly, loose and tight component;The take-off line subassembly is set on the support part, for take-off cable;Loose and tight component is set on the support part, and located above the take-off line subassembly, the cable passes through the threading area of loose and tight component, when take-off line, loose and tight component loosens the cable, after take-off line is completed, loose and tight component locks the cable.The utility model can adjust the size of threading area on the one hand, can adapt to the cable of different wire diameter, improve practicality, in addition, cable is always in threading area when take-off line, after take-off line is completed, directly tighten loose and tight component can lock the thread, operation is more simple.

The present application relates to a photovoltaic driven lithium electrodialysis system and a power distribution control method. The system comprises a photovoltaic power generation module, a liquid supply driving module, a selective lithium extraction module, a sensor network and a central control module; wherein the liquid supply driving module comprises a centrifugal pump and a controlled governor; the selective lithium extraction module comprises an electrodialysis membrane stack and a current-controllable direct-current power supply; all modules are electrically connected through a direct-current bus, and the central control module is communicatively connected with the remaining modules. The power distribution control method provided by the present application is implemented on the central control module. The present application utilizes the controlled governor and the current-controllable direct-current power supply to make the overall system a "flexible dynamic load", combines the electric power distribution control method, establishes a cascade control architecture based on flow and power two-way feedback control, realizes precise energy division and efficiency control, and enables the lithium electrodialysis system to operate safely and efficiently without configuring large-capacity energy storage batteries.

The application discloses a new energy driving hub full life cycle detection system and method, and relates to the technical field of vehicle safety. The system comprises the following steps: collecting stator input electric power data, output mechanical power data, cooling system heat dissipation power data, shell temperature rise gradient data and torque fluctuation amplitude data according to a preset time window when a new energy driving hub is installed on a whole vehicle and is in a preset stable operation condition; calculating electric power distribution ratio, heat dissipation ratio and torque fluctuation energy ratio; and forming a structure coupling initial reference parameter set. The system extracts an operation section meeting a preset stable operation condition criterion in a vehicle operation stage. The application establishes a structure coupling initial reference parameter set when a new energy driving hub is installed on a whole vehicle and is in a preset stable operation condition, and forms a structure coupling offset sequence in a vehicle operation stage, so that the key features such as electric power distribution ratio, heat dissipation ratio and torque fluctuation energy ratio are compared in a benchmarking manner.