23results about How to "Improve power utilization" patented technology

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.

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 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 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.

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 the technical field of flow scheduling, in particular to an MSTD3S-based time-sensitive network flow optimization scheduling method, which comprises the following steps of: constructing an adjacent matrix based on switch network topology; constructing a feature matrix by using the node state features; extracting a node embedding representation matrix by using a GCN network; constructing a state vector by utilizing the characteristics of the to-be-scheduled flow, the source node embedding representation and the target node embedding representation; the state vector is input into an improved Actor-Critic network; the improved Actor-Critic network constructs a total reward function based on a scheduling success reward, a mapping score reward, a load balancing reward and a scheduling delay penalty, and performs CQF scheduling in the TSN by using the total reward function. The problem that an existing model cannot give consideration to scheduling time and scheduling quality at the same time is solved.

The invention discloses a portable washing machine power supply energy-saving control system, and relates to the technical field of washing machine power supplies, and the system comprises a power supply module which is connected with commercial power, a micro-control module controls a DC change module to carry out single-path power adjustment and voltage doubling processing, and carries out the charging or driving of a washing machine module, and a voltage detection module detects that an energy storage module is fully charged. The direct-current conversion module is used for carrying out two-way power regulation, voltage superposition and voltage doubling treatment and supplying power to the washing machine module, when the power supply module is not powered, the direct-current conversion module is controlled to carry out single-way power regulation or two-way power regulation on the energy storage module according to the electric quantity of the energy storage module and the voltage of a low electric quantity threshold value, and when braking is carried out, the direct-current conversion module is controlled to carry out single-way power regulation or two-way power regulation on the energy storage module. According to the power supply state of the power supply module, the direct-current conversion module is controlled to perform hybrid power supply processing on the power supply module and the washing machine module and provide charging electric energy. The portable washing machine power supply energy-saving control system can improve the power supply efficiency and the electric energy utilization rate, reduce the power utilization cost and improve the energy-saving performance.

The invention provides a hydraulic-conical disc roller-gear composite multi-mode transmission device. The hydraulic-conical disc roller-gear composite multi-mode transmission device comprises an input component, a front planetary gear mechanism, a hydraulic transmission mechanism, a middle planetary gear mechanism, a rear planetary gear mechanism, an output shaft, a middle shaft and a full-ring conical disc roller type transmission mechanism. The displacement ratio of the hydraulic transmission mechanism and the transmission ratio of the full-ring conical disc roller type transmission mechanism are controlled, and the clutch and the brake are selectively controlled to be connected; and any one or any two combination or any three combination transmission modes of hydraulic transmission, cone disc roller transmission and gear transmission between the input mechanism and the output shaft can be provided.

This invention belongs to the field of rail shifting technology and discloses a novel cantilevered electric rail shifting device, including a rail shifting column, a rail shifting beam, a closed position bracket, and an open position bracket. The rail shifting column includes a main column frame, an electric push rod, and a sliding trolley. The telescopic end of the electric push rod is connected to the sliding trolley via a chain drive, thereby driving the sliding trolley to rise and fall along the central vertical groove of the main column frame. The rail shifting beam includes a rotary assembly, a main beam frame, and a rail shifting assembly. The rotary assembly is mounted on the sliding trolley and provides rotational driving force to the main beam frame. The rail shifting assembly includes a trolley claw that can be translatably mounted at the bottom of the main beam frame and a rail shifting drive motor that provides translational drive for the trolley claw. The trolley claw and the rail shifting drive motor are connected via a chain drive. The closed position bracket includes a closed bracket body, a limiting plate, and an anti-rotation limiting plate. This invention has the advantages of simple and reliable motor-driven equipment, automated operation, strong stability of the rail shifting column, and improved operating efficiency.

The invention relates to the technical field of power system load dispatching, and discloses a heat pipe-containing multi-mode hybrid cooling system model prediction optimization control method, which comprises the following steps: acquiring a power distribution network state data flow containing an energy boundary fluctuation reference and a phase change transmission node evolution physical quantity; an impedance characteristic value representing a real thermoelectric coupling state is separated by using an energy boundary fluctuation reference; constructing an asymmetric constraint matrix according to the impedance characteristic value, and setting a one-way algebraic truncation boundary for limiting the power rise of the power load node when the asymmetric constraint matrix is greater than a reference threshold value; according to the method, a physical heat transfer bottleneck is substantially converted into a power distribution output constraint boundary, power oscillation is eliminated, and accurate distribution of electric energy is realized.

The application discloses a power transmission system, a control method, equipment and a medium. The power transmission system comprises a direct-current bus, a first direct-current bus, a second direct-current bus and a medium-voltage direct-current bus. The medium-voltage direct-current bus is electrically connected with a reference voltage terminal. One of the first direct-current bus and the second direct-current bus is a positive direct-current bus, and the other is a negative direct-current bus. A first grid commutated converter is electrically connected with the first direct-current bus at a first end. A direct-current transformer is electrically connected with a second end of the first grid commutated converter at a first end and electrically connected with the medium-voltage direct-current bus at a second end. The direct-current transformer is used for outputting direct-current power to a load. A second grid commutated converter is connected in series between the medium-voltage direct-current bus and the second direct-current bus. The first grid commutated converter and the second grid commutated converter are both used for transmitting power to a first alternating-current grid. The power transmission system can improve power utilization.

The application discloses an airplane cabin multi-port charging optimization method and system based on load identification, which collects voltage and current signals of each charging port, extracts a load characteristic vector composed of a current rise slope, a steady-state current ripple coefficient, an equivalent input impedance and a current harmonic ratio, matches the load characteristic vector with a device type characteristic library, identifies a connected device type according to a nearest Mahalanobis distance criterion and determines a charging weight, discriminates a constant current or constant voltage charging stage, estimates a remaining charging capacity, minimizes a sum of weighted remaining charging times of all ports as an objective, optimizes distribution of charging power of each port under constraints of a bus assignable total power and an upper limit of power of each port by using a marginal utility water injection method, and corrects an identification result online, and dynamically redistributes when the identification result or the charging stage changes. The application realizes dynamic optimization and distribution of charging power without relying on a protocol handshake, improves bus power utilization and passenger overall charging experience.

The invention provides a switching power supply circuit with higher reliability, which comprises a primary side main control circuit, a secondary side main control circuit and an isolation communication module, and is characterized in that the primary side main control circuit comprises a first control module, a PFC (Power Factor Correction) voltage regulation output circuit, a second conversion module and a PFC controller; the secondary side main control circuit comprises a second control module, an indoor and outdoor power supply judgment module and an output voltage and current detection module, the indoor and outdoor power supply judgment module and the output voltage and current detection module are connected with the second control module, and the PFC controller controls the PFC voltage regulation output circuit to output stable conversion voltage. The second control module controls the output of the second conversion module according to a detection value of the output voltage and current detection module to realize closed-loop control of a voltage and current loop, the second control module obtains a detection result of the indoor and outdoor power supply judgment module, and when power is supplied to an indoor power supply line, the second control module controls the output of the second conversion module to realize closed-loop control of the voltage and current loop. The second control module controls current derating output. According to the invention, the safety of electricity utilization can be improved.

This invention discloses a multi-functional buck-boost control circuit for a rectifier, relating to the field of rectifier control technology. It includes a microcontroller module that controls the rectifier processing module for rectification. The microcontroller performs high-frequency regulation by controlling a switching transistor and controls the upper and lower half-capacitors to perform alternating dual-path energy storage and series power supply. It can also achieve boost and buck power supply to the first interface module by changing the transmission path of the first interface module. When buck powering the first interface module, the energy storage module can be controlled to store the energy released by the lower half-capacitor, or the second interface module can be controlled to receive the energy released by the lower half-capacitor. When further boost power supply is needed, the energy storage module and the rectifier processing module can be controlled to perform series boost power supply when the energy storage module is fully charged. This multi-functional buck-boost control circuit for rectifiers can achieve voltage balance control, avoid voltage jumps, improve energy utilization, and provide multi-path power supply, increasing the output voltage range.

The invention relates to a heating film control method and device, a vehicle control unit and a vehicle. The method comprises the following steps: when a battery operation condition is a low-temperature operation condition, acquiring a direct-current bus voltage of a power supply end of a heating film; determining a target power parameter of the heating film based on the DC bus voltage and the resistance of the heating film; sending the target power parameter to a battery management system; the target power parameter is used for controlling the heating film to heat the contacted battery. By the adoption of the method, the calculated power distribution parameters of the heating film can be accurately matched with the actual power of the heating film, waste caused by excessive power distribution due to the fact that the maximum theoretical power of the heating film is directly used is avoided, and then the power utilization rate of a whole vehicle system is increased.

The application relates to an integrated non-alkaline gel zinc-air battery and a preparation method thereof, and belongs to the technical field of zinc-air batteries. The battery comprises a zinc negative electrode, an air positive electrode, a gel electrolyte and a packaging body. The gel electrolyte is formed by in-situ gelation of a liquid precursor containing a non-alkaline zinc salt solution and a gelling agent in the packaging body, so that an integrated close contact structure is formed between the electrode and the electrolyte. The application solves the problems of easy carbonation failure and electrode corrosion of a traditional alkaline electrolyte through a non-alkaline system, and significantly improves the long-term stability and cycle life of the battery in air. Meanwhile, the process combining liquid infusion and in-situ gelation solves the problems of poor solid-state electrolyte interface contact and easy leakage of a liquid electrolyte, realizes low interface impedance and high ion transmission efficiency. The method is simple in process, does not need a crosslinking agent, and can be completed through heating, stirring and cooling steps, is suitable for large-scale production, and has high safety and excellent electrochemical performance.

The invention discloses a radar communication integrated radio frequency signal generation device. In the device, a data interface unit is used for receiving data to be transmitted; the data grouping unit is used for grouping data; the pulse control unit maps each data combination of the pulse mapping group into K pulses selected from a pulse set for data transmission according to a one-to-one mapping relationship, maps each data combination of the transmission sequence group into a certain serial transmission sequence of the K pulses, and outputs the serial transmission sequence to the pulse modulation unit; the pulse modulation unit loads the data of the data modulation group to the K serial pulses according to a mapping modulation mode to complete pulse modulation; and the nonlinear unit generates a nonlinear frequency modulation signal with variable carrier frequency and phase and outputs the nonlinear frequency modulation signal to the power amplifier unit. According to the technical scheme disclosed by the invention, the data transmission capability and the target detection capability of the radar communication integrated signal are improved.

The utility model discloses quartz crucible melts heat -proof plate heat preservation device, it includes water passing board, heat -proof plate, the bottom end face of water passing board is connected with the heat -proof plate of vertical setting respectively near four around edges, four heat -proof plates and water passing board form heat -proof area, and the top end of mould is placed in heat -proof area, the outer wall of heat -proof plate away from water passing board one side and the lateral wall of water passing board are connected through hinged member between, and the outer wall of remaining heat -proof plate and the lateral wall of water passing board are connected through adjusting member between, the inside of heat -proof plate is equipped with hollow chamber, and the hollow chamber is filled with circulating cooling water, and the outer wall of heat -proof plate is fixed with water inlet joint and water outlet joint respectively. Advantage: through water passing board increases heat -proof plate, can promote electric energy utilization rate, makes energy concentration between heat -proof plate and mould, through the path of blocking heat radiation and convection heat dissipation, energy loss is reduced significantly.

This application provides a driving circuit and related equipment. The driving circuit includes a Vienna circuit, an MCU, and a step-down circuit. The first signal output terminal of the MCU is connected to the control terminal of the Vienna circuit, and the second signal output terminal is connected to the control terminal of the step-down circuit. The input terminal of the Vienna circuit is connected to a three-phase AC power supply, and its output terminal is connected to both the input terminal of the step-down circuit and the compressor via a DC bus. The output terminal of the step-down circuit is connected to a fan. The MCU sends a first control signal to the Vienna circuit to control its voltage conversion process, and simultaneously sends a second control signal to the step-down circuit to control its step-down processing of the input DC voltage, ultimately realizing the adaptation of the three-phase AC power supply to the compressor and the fan.

This utility model discloses a manual power generation GPS device, including a housing, a manual power generation module, an energy storage module for storing electrical energy, a GPS module powered by the energy storage module, and a control circuit for managing power distribution and controlling the working state of the GPS module. The manual power generation module includes a hand crank, a gear set, and a generator. The hand crank is connected to the generator via the gear set. The energy storage module is electrically connected to the generator, and the GPS module is electrically connected to the energy storage module. The control circuit is electrically connected to both the energy storage module and the GPS module. This application provides a manual power generation GPS device with high-efficiency energy conversion, intelligent power consumption management, a composite power supply mode, and a highly reliable structure.

The application relates to a charging pile cooperative power supply control method and system, a terminal and a storage medium, and relates to the technical field of charging piles. The method comprises the following steps: acquiring target demand power of a target charging vehicle; acquiring default power supply power of a target charging pile; judging whether the default power supply power is less than the target demand power; if yes, determining a power deficiency amount according to the target demand power and the default power supply power; determining a compensating charging pile and adjustable power of the compensating charging pile based on the power deficiency amount; connecting a target cross-pile power supply path between the compensating charging pile and the target charging pile; controlling the compensating charging pile to deliver the adjustable power to the target charging pile along the target cross-pile power supply path; integrating the default power supply power and the adjustable power to obtain target output power; and charging the target charging vehicle based on the target output power. The application has the effects of improving the charging utilization efficiency of the charging pile and enabling multiple charging piles to cooperatively output to meet higher target voltage requirements.

The present disclosure provides a vehicle cloud multi-path computing offloading method and device, first constructs a computing offloading target function of the overall effect value of the vehicle-mounted resources, maximizes the function value as the optimization target of the computing offloading, and proposes to convert the optimization of the computing offloading target function into the optimization of a multi-path computing offloading reliability model based on a risk factor, so as to improve the success rate and resource utilization of the multi-path computing offloading. In addition, the present disclosure also constructs a Markov game modeling for the multi-path computing offloading reliability model, uses a multi-agent deep reinforcement learning algorithm based on a deep deterministic policy gradient to realize the computing offloading, and in order to avoid converging to a local optimal solution, proposes to use an Ornstein-Uhlenbeck process based on mean reversion and diffusion to increase the generalization ability of the model.