114results about How to "Improve power utilization" patented technology

The invention discloses a wind-solar power generation and electric vehicle load cooperative control method based on user behaviors, and relates to the technical field of electric power system automation, and the method comprises the steps: obtaining historical power generation and real-time power generation data of a wind-solar power generation system according to an electric vehicle power load demand curve in a future time period, predicting a generating capacity curve of the wind-solar power generation system in the time period; performing matching analysis on the electric load demand curve of the electric vehicle and the wind-solar power generation curve to obtain a matching difference degree, and triggering cooperative control when the matching difference degree is greater than a preset threshold value; in the cooperative control, the generated power of the wind-solar power generation system and the actual power load of the electric vehicle are monitored in real time, the matching difference degree is calculated, and the generated power of the wind-solar power generation system is dynamically adjusted according to the change trend of the matching difference degree. The running cost of the electric vehicle is reduced, the utilization efficiency of wind and light power generation is improved, the energy utilization efficiency and the renewable energy permeability of the rail transit system are improved, and the purposes of energy conservation, emission reduction and green development are achieved.

The invention discloses a power tracking method and system for a network construction type wind turbine generator, and the method comprises the steps: 1) inputting control parameters of a virtual synchronous generator, and building a mathematical model of the virtual synchronous generator; the model comprises dynamic characteristics; 2) obtaining a power expression and a power increment expression of the virtual synchronous generator according to the dynamic characteristics of the virtual synchronous generator; 3) obtaining a plurality of virtual synchronous generator space state equations and space state discretization equations according to the dynamic characteristics of the virtual synchronous generator and the power expression and the power increment expression of the virtual synchronous generator; and 4) obtaining a power prediction expression of the virtual synchronous generator according to the power increment expression of the virtual synchronous generator, and constructing and solving a power tracking performance optimization problem of the constructed network type wind turbine generator in combination with the power prediction expression and the discretized space state equations of the plurality of virtual synchronous generators. The method has the advantages of improving the power tracking performance and the like.

The utility model provides a charging pile power switching system and a charging station. The charging pile power switching system comprises a plurality of charging module groups, a plurality of charging terminals, a switching module and a control module. Each charging module group is correspondingly connected with one charging terminal, and every two charging module groups of the plurality of charging module groups are connected through the switching module; and the switching module is used for controlling connection and disconnection among the plurality of charging module groups. The charging station comprises a plurality of charging pile power switching systems. Power allocation can be completed through connection and disconnection of the switching module according to different application scenes, the power utilization rate of the charging module group is effectively improved, the situation that a very large power distribution capacity is configured for all charging terminals to perform high-power charging is avoided, resources are saved, and on the premise of effectively controlling the cost, the cost is reduced. Therefore, all charging terminals can have the high-power output capability.

The invention relates to a V2G-based electric energy quality control method and device and computer equipment, and relates to the technical field of electric power. The method comprises the following steps: acquiring charging and discharging information of a target vehicle collected by each charging pile; acquiring power grid operation information of the target power grid; determining each quality evaluation index value corresponding to the target power grid according to the charging and discharging information and the power grid operation information; and when the quality evaluation index value exceeds a preset index threshold value, starting a quality control function of the power grid management module. The method can improve the control efficiency of the electric energy quality.

The invention discloses a flexible load distribution and power supply optimization method and system, and relates to the technical field of electric power, and the method comprises the steps: collecting a load demand in an electricity utilization environment and the power supply capability of power supply equipment; carrying out first classification, and dividing the load into a multi-stage load set; based on the load demand and the power supply capability of the power supply equipment, solving a load distribution problem by using a dynamic programming algorithm; monitoring the operation state of a power utilization environment in real time, and adjusting a power supply strategy through a genetic algorithm; according to the invention, efficient matching of the load and the power supply resource is realized, the electric energy utilization rate and the power supply stability are remarkably improved, the energy waste and the unit power supply cost are reduced, the method is suitable for various complex power utilization environments, and the power supply mode is more intelligent and diversified.

The utility model discloses a mobile box servo proportion system. The system comprises a hydraulic oil tank storing hydraulic oil; a plurality of oil pumps fluidly connected to the hydraulic tank; a drive system operatively connected to the oil pump to provide power to the oil pump; the first control valve group is in fluid connection with the oil pump so as to adjust the flow and direction of the hydraulic oil from the oil pump; the pushing head system is in fluid connection with the first control valve group; the material lifting system is in fluid connection with the first control valve group; the controller is connected to the pushing head system, the material lifting system and the first control valve group; the controller is configured to control the first control valve group based on oil pressure in the push head system so as to adjust the number of the oil pumps providing hydraulic oil for the push head system.

The utility model relates to the field of photovoltaic power generation energy management technology, in particular to an energy management system for a household photovoltaic power station, which comprises a distribution box with a built-in household load; the three-phase inverter is connected to the distribution box, and the three-phase inverter is connected in series with a photovoltaic module and converts direct current generated by the photovoltaic module into alternating current; an energy gateway which is connected with the distribution box and monitors the real-time electric quantity input of the photovoltaic module; and the load controller is connected to the distribution box, and the load controller is connected with an electric load and adjusts the power of the electric load. According to the invention, the zero-feed network construction of the household photovoltaic power station is realized, and the utilization rate of photovoltaic power generation is improved.

The utility model discloses a yarn dividing device of a high-speed flat yarn machine, and relates to the technical field of flat yarn machines, the yarn dividing device comprises a bearing base, a limiting hole, a supporting pipe, a yarn dividing ring and a driving rocker, a supporting leg is arranged above the bisector of the bearing base, the top of the supporting leg is provided with the supporting pipe, the right side of the supporting pipe is provided with the yarn dividing ring, and the yarn dividing ring is arranged on the right side of the supporting pipe. A fixing frame is installed on the left side of the branching ring, a limiting hole is formed in the fixing frame, a gear box is installed on the left side of the fixing frame, and a driving motor is arranged on the left side of the gear box. Six silk threads can be packaged at the same time, the working efficiency can be greatly improved, the rocker is driven to convert axis operation into linear motion, under the condition that the structural strength is guaranteed, the silk threads can be evenly distributed to a thread coil through the reciprocating pull rod and the thread uniformizing ring, and the utilization rate of the thread coil is improved.

The invention relates to the technical field of rare earth processing, in particular to automatic feeding equipment for rare earth permanent magnet processing. The invention provides automatic feeding equipment for rare earth permanent magnet machining, and the automatic feeding equipment is mechanically automatic. Automatic feeding equipment for rare earth permanent magnet machining comprises an outer frame, a closed bin, a hopper and a movable seat, the closed bin is fixedly connected to one end of the outer frame, the inverted-cone-shaped hopper is arranged at the top of the closed bin, the middle of the outer frame is hollowed out, and the movable seat is arranged in the outer frame in a sliding mode and can slide into the closed bin. A worker places a mold on a pressing block and presses the mold downwards, a rack drives a transmission gear to rotate, then a lead screw is driven to rotate through a transmission shaft and a speed increasing belt wheel set, a clamping block can clamp and fix the side face of the mold, then a driving machine drives a moving base to a hopper for material receiving, and a knocking block is continuously pushed through a crankshaft; the knocking block knocks the moving seat to form vibration, so that the rare earth powder in the mold is quickly formed.

The invention provides a fuel cell system architecture and a power supply system, and relates to the technical field of fuel cell system application, and the fuel cell system architecture comprises a fuel cell system, a pressure relief energy storage assembly, a first relay group and a second relay group; the first relay group is arranged in the fuel cell system, and the fuel cell system is connected with the pressure relief energy storage assembly through the second relay group; and if the fuel cell system is in a shutdown process, the first relay group is disconnected, the second relay group is closed, the pressure relief energy storage assembly performs residual electricity conversion and storage operation, and the technical problem that the energy utilization rate of the fuel cell system is not high after the power supply is interrupted is relieved by increasing the pressure relief energy storage assembly to actively recover energy.

The invention discloses a lithium battery cathode graphite constant power graphitization system and an operation method, the system comprises a carrying mechanism, a water flow control mechanism and a transformer, the carrying mechanism comprises an annular water tank and a plurality of mobile ships, each mobile ship is provided with a graphitization furnace, and each graphitization furnace is internally provided with a temperature sensor; the water flow control mechanism is used for controlling the water flow direction in the annular water tank so as to drive all the movable ships to move. The system has the beneficial effects that the water flow direction in the annular water tank is controlled through the water flow control mechanism so as to drive the moving boats to move, the graphitization furnaces sequentially pass through the heating areas, and the transformer supplies power to the graphitization furnaces in all the heating areas at the same time, so that after the system operates stably, the total heating power can be kept approximately stable, and the service life of the graphitization furnaces is prolonged. Therefore, the power demand in the heating process is more stable, the power utilization rate of the transformer is improved, and the production cost is reduced.

The utility model discloses a stamping die waste discharging mechanism, which relates to the field of stamping dies and comprises a base, the rear end of the upper surface of the base is fixedly connected with the bottom end of a vertical frame, the upper end of the vertical frame is provided with a stamping die, a crushing mechanism is arranged below the stamping die, and a conveying mechanism is arranged below the crushing mechanism. The crushing mechanism is arranged below the stamping die, waste materials in the stamping die fall into the receiving hopper when the waste materials are treated, at the moment, the waste materials can be crushed through opposite rotation of the two crushing rollers, and therefore the situation that the waste materials large in size are stacked and blocked in the follow-up conveying process, and the discharging effect of the waste materials is affected is avoided; and meanwhile, the conveying mechanism is arranged below the crushing mechanism, after the crushing mechanism is used for crushing the waste materials, the waste materials fall on the material receiving groove, at the moment, the waste materials slide into the collecting disc along the material receiving groove to be collected, and therefore a user can conveniently treat the waste materials in a follow-up centralized mode.

The utility model belongs to the technical field of superfine material crushing, and particularly relates to a sheet inorganic powder deep processing device which comprises a processing kettle, a top cover, a grinding assembly and a crushing assembly, and the grinding assembly and the crushing assembly are sequentially and vertically arranged in the processing kettle; the top cover is mounted at the top of the processing kettle, a driving part is mounted on the top cover, and the driving part is in transmission connection with the grinding assembly and the crushing assembly; the processing kettle is provided with an inclined bottom, the inclined bottom is communicated with a circulating shell through a circulating pipeline, and the circulating shell is located at the bottom of the processing kettle; a butt joint pipe is arranged in the middle of the bottom of the processing kettle, and a discharging channel is arranged between the butt joint pipe and the inclined bottom; according to the device, the added materials are ground and crushed through the grinding assembly; through cooperation of the circulating pipeline, the circulating shell and the circulating pump, materials in the processing kettle can be circularly crushed, the grinding effect is improved, and material adhesion is avoided.

The invention provides an Acheson graphitization furnace and a graphitization system, and relates to the technical field of Acheson furnaces, the Acheson graphitization furnace comprises: a first furnace body, a first furnace chamber is formed in the first furnace body, and a first conductive electrode is arranged on a first end wall of the first furnace body; a second furnace chamber is formed in the second furnace body, a second conductive electrode is arranged on a first end wall of the second furnace body, the first furnace body and the second furnace body are arranged in a spaced mode, and the first conductive electrode and the second conductive electrode are used for being connected with a power source; the connecting furnace body is communicated with the first furnace chamber and the second furnace chamber; according to the Acheson graphitization furnace, the first furnace chamber is communicated with the second furnace chamber through the connecting furnace body, so that the length of the furnace core can be increased, the resistance of the furnace core is improved, and the electric energy utilization rate of the Acheson graphitization furnace is correspondingly increased. The first conductive electrode and the second conductive electrode are directly and electrically connected through the first furnace chamber, the second furnace chamber and filling materials in the connecting section, the electricity loss rate is small, and the electric energy utilization rate is correspondingly increased.

Embodiments of the present application provide a vehicle control method, device, vehicle, medium and product. The method comprises: when it is detected that the vehicle is wading, determining a state of the vehicle. If the state is a floating water state, determining a first rotating speed of a propeller and a second rotating speed of a wheel-side motor based on driver intention data, an ability state of the propeller and an ability state of the wheel-side motor, controlling the propeller according to the first rotating speed, and controlling the wheel-side motor according to the second rotating speed. If the state is a water entry state or a water exit state, performing torque distribution for front and rear axles of the vehicle to obtain front axle demand torque and rear axle demand torque, and controlling the vehicle according to the front axle demand torque and the rear axle demand torque. The method is used to improve the technical effect of power utilization rate of the vehicle.

The present invention relates to an energy-saving heat pipe sintering furnace and a sintering method thereof. The heat pipe comprises a magnetic core rod, a copper powder layer and a copper pipe which are sequentially arranged from the inside to the outside. The heat pipe is placed on a carrier, and the carrier is placed in a sintering furnace. The magnetic core rod is heated by an electromagnetic heating coil. After the magnetic core rod generates heat, the heat is transferred to the copper powder layer, so that the copper powder layer softens. Electromagnetic heating is a direct heating method. Compared with traditional resistance heating, it has a higher power utilization rate, can reduce energy consumption, and has a higher heating efficiency. In addition, since the magnetic core rod is in direct contact with the copper powder layer, the heat generated by the magnetic core rod can be quickly transferred to the copper powder layer, so that the heating efficiency of the copper powder layer is further improved; and the magnetic core rod is located inside the copper powder layer, and the heat is transmitted from the inside to the outside, which can reduce heat loss, further improve heat utilization, and reduce energy consumption.

The present invention discloses a mechanical and electrical continuously variable composite transmission system and a control method thereof, comprising an input shaft assembly, a mechanical transmission assembly, an electric transmission assembly and an output shaft assembly, and realizing the switching of a single-flow transmission mode, a composite transmission mode and an energy recovery mode through the combined switching between a clutch and a brake; the single-flow transmission mode comprises an EVT transmission mode and a mechanical transmission mode; the composite transmission mode is an EVT and mechanical composite transmission mode. Beneficial effects: The present invention can adapt to different working conditions, improve the engine power utilization rate, and improve fuel economy; effectively reduce the gear shift shock and increase the speed ratio adjustment range; in terms of power regulation, the electric transmission assembly can effectively supplement the driving force through the energy storage device, and the EVT can also recover the energy during braking; the present invention effectively broadens the speed regulation range and can meet the requirements of a wide range of linear and nonlinear stepless speed regulation.

The invention relates to the technical field of motor control, and discloses an optimal control method for a YE5 motor, which comprises the following steps: aiming at the YE5 motor and a conveyor belt system, combining a motor latch structure and a plurality of sub conveyor belts, and realizing accurate transportation of bottled materials by adjusting the torque and the conveying speed of the motor; according to the method, the main conveying belt drives the rollers and cooperates with the latch motor to control starting and stopping of the marked rollers; three sub-conveying belts are arranged at the tail end of the production line, the conveying speed of the sub-conveying belts is adjusted to be consistent with that of the main conveying belt, and materials are conveyed to a production machine through a narrow-strip conveying belt; when the unit conveying quantity is not matched with the handling capacity of a production machine, a temporary power and free strategy and a driving lever control strategy are adopted, and by adjusting motor control and material distribution and optimizing the conveying speed, the automatic level of a conveying line and the material handling efficiency are improved, and stable production operation is ensured.

The invention provides a self-adaptive flexible adjustment method and device for distributed new energy access and a medium, and relates to the technical field of new energy access, and the method comprises the steps: according to the power consumption of each power consumption main body in each historical time period and the power generation amount of each wind power station in each historical time period in a preset region, determining the power consumption of each power consumption main body in each historical time period; predicting an electricity consumption time curve of each electricity consumption main body in the prediction time period and a generating capacity time curve of each wind power station in the prediction time period; if the ratio of the number of the power consumption main bodies in the preset area to the number of the wind power stations is smaller than a preset weight, the similarity between each power consumption time curve and each power generation capacity time curve is obtained, and the wind power station connected to each power consumption main body in the preset area in the prediction time period is determined according to the similarity; according to the method, the power consumption main body with relatively high power consumption in the prediction time period is matched with the wind power station with relatively high power generation capacity, so that the electric energy utilization rate of the wind power station is improved.

The present invention discloses a management device for water supply equipment, including a central control room, on-site detection equipment, and several data acquisition equipment groups. The central control room, the on-site detection equipment and the data acquisition equipment groups are wirelessly connected. In the management device for water supply equipment and the management system of water supply equipment, the on-site detection equipment can be used to enable staff to conduct real-time online inspection of the water supply equipment. The AR glasses in the on-site detection equipment can cooperate with the water tank to display data more intuitively, improving the efficiency and reliability of the staff's inspection. The data watch in the on-site detection equipment is wirelessly connected to the central control room and the data acquisition equipment groups. Through the management system of the water supply equipment, a monitoring network can be formed with the nearest water tank as the host, thereby improving the real-time response speed. The power supply circuit can provide multiple working voltages and can be controlled by the CPU in the data watch, thereby realizing multi-mode voltage output, improving the utilization rate of electric energy, and increasing the working time of the data watch.

The invention relates to the technical field of base station energy consumption optimization, in particular to a base station energy consumption optimization system based on machine learning, which comprises a base station energy consumption optimization platform, a base station information base, a state division unit, a demand management unit, a prediction construction unit, a prediction optimization unit and a base station management unit, according to the invention, the time period state division analysis is carried out from the flow angle of the target base station to know the state condition of each time period of the target base station, and the energy consumption information of the target base station in the current time period is further analyzed in an information progressive manner. According to the method and the device, an energy consumption optimization scheme of a current target base station is adjusted according to information feedback conditions, so that low-consumption and high-efficiency operation of the target base station in different time periods is realized, and a next prediction time period is analyzed in an information feedback and model construction prediction mode; therefore, targeted energy consumption optimization processing of the target base station is carried out according to different optimization demand levels, and long-term reliable operation of the target base station is guaranteed.

The invention provides a miniature heat dissipation device, and the device comprises a medium pipeline which is of a closed-loop structure and is internally provided with a cooling medium; the propeller is arranged in the medium pipeline and used for pushing the cooling medium to flow; the electromagnet is arranged on the outer side of the medium pipeline and used for converting electric energy into a magnetic field for pushing the propeller to move; and the power supply is electrically connected with the electromagnet so as to provide electric energy for the electromagnet. The invention further provides a control method of the miniature heat dissipation device and terminal equipment.

The present application belongs to the technical field of plasma sources, and discloses a method for optimizing the structure of a variable-section quartz tube of a remote plasma source and related equipment. By performing two-dimensional modeling, meshing, setting material parameters and physical fields, simulation and optimization on a microwave remote plasma source, the precise optimization design of the inner surface shape of the quartz tube is achieved, and the problem that the traditional cylindrical quartz tube cannot precisely control the plasma flow and distribution is solved. The method has the advantages of improving the uniformity of electron density distribution, improving the plasma outlet flux and improving the power utilization rate. Moreover, the optimization design is performed through simulation analysis, and the design cycle is shorter and the design cost is lower than that of the physical test method.

The invention belongs to the technical field of power transmission devices, and particularly discloses a cable arrangement device for power transmission cable production, which comprises a worktable, two fixing frames are fixedly connected to the top of the worktable, a winding drum is fixedly connected between the two fixing frames through a bearing, and a motor is fixedly connected to one side of each fixing frame through a mounting seat. According to the cable winding device, the surface of the extension part is larger than that of the transmission cylinder, a larger blocking space is provided, displacement of a cable in the winding process due to unstable fixation is prevented, stains on the surface of the cable can be adsorbed by cleaning cloth when the cable passes through a passing hole of the transmission cylinder, and the cable is prevented from being damaged. When the cable passes through the transmission cylinder, the whole cable is twisted after being in contact with the first guide cylinder and is twisted again through the second guide cylinder, so that the cable twisting device has the advantages that the direction of the cable is deflected by 90 degrees through two times of twisting, the effect is stable, damage to the cable is smaller, and meanwhile, the surface of the cable can be simply cleaned.

The embodiment of the present application provides a kind of line voltage regulating equipment.The equipment includes: control device, and multiple voltage regulating devices and multiple monitoring devices arranged in different line sections of distribution line;Specifically, each monitoring device is used to collect the real-time line data of the line section, and is sent to control device;Control device includes data analysis module, adjustment instruction generation module and first communication module;Each voltage regulating device is used to adjust the line parameter of the line section according to the received adjustment instruction, to realize the voltage optimization of line section.Through this line voltage regulating equipment, the voltage stability of each section of line can be realized, while local adjustment and network optimization are considered, and the flexibility and reliability of distribution network are improved.

According to the intelligent LED street lamp hardware system based on the wireless network, the networking technology that LED lighting is matched with multi-sensor feedback, wireless ZigBee-k and the 5G technology is adopted, the remote operation and maintenance capacity is provided, and the problems that an existing street lamp system is too large in light source power consumption, low in system intelligent control degree and weak in maintenance capacity are effectively solved; an overall scheme of a street lamp management center, a monitoring substation and a street lamp low-energy-consumption control terminal is designed, control background software is based on a 5G network, street lamp low-energy-consumption control terminal hardware equipment is connected with an intelligent control substation through ZigBee-k, the intelligent control substation processes and accesses a background management system through a 5G terminal at the same time, real-time interaction of data is achieved, and the street lamp low-energy-consumption control terminal is connected with the intelligent control substation. A ZigBee-k short-distance wireless communication technology is adopted between the monitoring substation and each street lamp low-energy-consumption control terminal and between the monitoring substation and each street lamp low-energy-consumption control terminal and each street lamp terminal, new broadband communication 5G is greatly improved in the aspects of data rate and delay capacity, interaction and application are enhanced, and the requirements of an intelligent street lamp system are met.

The present application belongs to the field of mobile communication technology, and provides a photovoltaic base station energy consumption estimation method, device and electronic equipment, the method comprising: obtaining historical energy consumption data, estimating the estimated energy consumption in the preset time period after the current time according to the historical energy consumption data; obtaining historical photovoltaic power generation data, estimating the estimated power generation in the preset time period after the current time according to the historical photovoltaic power generation data; establishing an energy consumption warning model, and estimating whether the energy consumption in the preset time period meets the warning condition according to the estimated energy consumption and the estimated power generation. The present application uses the historical energy consumption data and the historical photovoltaic power generation data in the photovoltaic base station, establishes an energy consumption warning model to predict whether the power generation and the energy consumption of the photovoltaic base station are balanced in the future period of time, effectively estimates and predicts the electricity demand of the photovoltaic base station, and then reasonably plans and allocates the electricity of each module, ensures the long-term reliable operation of the base station, saves the energy consumption of the photovoltaic base station, and improves the power utilization rate.

The invention discloses a household energy storage system, and the system comprises an energy storage module which is used for storing electric energy or outputting the electric energy to the outside; the grid-connected circuit comprises a first switch; the first end of the first switch is connected with commercial power, and the second end of the first switch is connected with an electricity load; the energy storage module is electrically connected with the second end of the first switch; the current detection module is used for detecting current flowing through the first switch; the voltage detection module is used for detecting the voltage of the first end of the first switch; and the control module is electrically connected with the voltage detection module and the current detection module, and the control module is configured to control the conduction state of the first switch according to the voltage detection result of the voltage detection module and control the output of the energy storage module according to the current detection result of the current detection module. Therefore, the problem of insufficient mains supply power can be solved, installation is simple, and the improvement cost is low.

This invention relates to the field of adaptive control technology and discloses a load simulation vector control method for a three-phase current-carrying device based on an adaptive algorithm. The method includes: first, acquiring the target current phasor on the measured side and related parameters of the main transformer and current-carrying path; calculating the estimated excitation branch susceptance, short-circuit equivalent impedance, and series impedance of the current-carrying path; determining the equivalent reactance setpoint of the series capacitor based on the above parameters; establishing a current control loop to ensure that the actual current phasor on the measured side is consistent with the target current phasor; under this condition, dynamically correcting the equivalent reactance setpoint of the series capacitor through disturbance measurement and real-time electrical parameter estimation; finally, setting a judgment threshold and an upper limit for the power supply voltage, and outputting a fixed undercompensation or adaptive undercompensation control strategy based on the change in the amplitude of the source phase voltage, the current amplitude, and the corrected reactance setpoint.

The invention relates to a rotary transformer driving circuit and device and a vehicle, and the rotary transformer driving circuit comprises a signal recognition circuit which is connected with the output end of a rotary transformer and is used for receiving a response signal of the rotary transformer; the switching circuit is connected with the signal identification circuit and is used for outputting an opening signal when the signal identification circuit receives the response signal, and otherwise, outputting a closing signal; the power factor compensation circuit is connected with the signal identification circuit and the excitation power supply and is used for working in response to a starting signal, performing power factor compensation on an excitation signal provided by the excitation power supply and stopping compensation in response to a closing signal; by adopting the rotary transformer, the problem of low operation efficiency of the rotary transformer in the prior art can be improved.