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35results about How to "Improve power utilization" patented technology

Wind-solar power generation and electric vehicle load cooperative control method based on user behaviors

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.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID JIBEI ELECTRIC POWER CO LTD +2

Servo proportion system of mobile box

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.
Owner:HYVA MECHANICS (CHINA) CO LTD

Automatic feeding equipment for rare earth permanent magnet machining

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.
Owner:龚德志

Deep processing device for flaky inorganic powder

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.
Owner:ZHEJIANG COLORAY TECH DEV

Acheson graphitization furnace and graphitization system

PendingCN119642577AIncrease furnace capacityImprove power utilizationCarbon compoundsFurnace typesElectrical connectionGraphite
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.
Owner:HUNAN HUAXIA TEBIAN CO LTD

Vehicle control method and device, vehicle, medium and product

ActiveCN122402266BImprove power utilizationRealize collaborative control
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.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Energy-saving heat pipe sintering furnace and sintering method thereof

ActiveCN118912990Bpromote warmingpromote softeningCharge supportsIncreasing energy efficiency
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.
Owner:SICHUAN LIHONG ELECTRONIC TECH CO LTD

Self-adaptive flexible adjustment method and device for distributed new energy access and medium

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.
Owner:MARKETING SERVICE CENT OF STATE GRID HENAN ELECTRIC POWER CO

Miniature heat dissipation device, control method and terminal equipment

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.
Owner:ZTE CORP

Optimization design method of variable cross-section quartz tube structure for remote plasma source and related equipment

ActiveCN119293887BImprove density distribution uniformityImprove power utilizationGeometric CADDesign optimisation/simulationRemote plasmaComputational physics
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.
Owner:JIHUA LAB

Line voltage regulating device

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.
Owner:HUIZHOU POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CO LTD +1

A photovoltaic base station energy consumption estimation method and device

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.
Owner:QINGHAI BRANCH OF CHINA TOWER CO LTD

Household energy storage system

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.
Owner:SHENZHEN HELLO TECH ENERGY CO LTD

Three-phase through-flow device load simulation vector control method based on adaptive algorithm

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.
Owner:STATE GRID BEIJING ELECTRIC POWER CO

Time-sensitive network flow optimization scheduling method based on MSTD3S

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.
Owner:CHANGZHOU UNIV

Portable washing machine power supply energy-saving control system

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.
Owner:WUXI PARWADE TECH CO LTD

Hydraulic-conical disc roller-gear composite multi-mode transmission device

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.
Owner:JILIN UNIVERSITY

A new type of cantilever electric rail shunting device

ActiveCN121425288BImprove power utilizationEasy maintenance and repairClassical mechanicsElectric machinery
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.
Owner:CRRC SHENYANG CO LTD

Bionic shark fin type tongue opening noise reduction centrifugal fan

The invention discloses a bionic shark fin type tongue opening noise reduction centrifugal fan, and belongs to the technical field of centrifugal fan structure improvement, the bionic shark fin type tongue opening noise reduction centrifugal fan comprises a fan body, a flow guide plate is installed at the air outlet position of an inner tongue opening of the fan body, the flow guide plate is of a shark fin structure, the flow guide plate comprises a main plate, and the main plate is provided with a front edge side, a tail end side and a bottom end side; the transverse projection of the front edge point on the front edge side is arc-shaped; on the cross section of the main plate, the shape of the pipeline close to the air outlet low-speed side is shrunk from the front edge side to the tail end side, and the shape of the pipeline close to the air outlet high-speed side is shrunk and then expanded from the front edge side to the tail end side; the tail end side is sequentially provided with an arc section, a nearly linear section and an S-shaped bent section from top to bottom, and the bottom end side is of a plane structure and is parallel to the air outlet of the fan body in the horizontal direction. The power utilization of the centrifugal fan can be improved, and the noise of the centrifugal fan can be reduced.
Owner:品岱电子(江苏)股份有限公司

Model prediction optimization control method for multi-mode hybrid cooling system containing heat pipe

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.
Owner:CHANGSHA MAXXOM HIGH TECH CO LTD

Power transmission system, control method, device, and medium

PendingCN122533090Areduce volumeSave valuable land resources
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.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD

A granulating apparatus for a biomedical plastic material

PendingCN122703662AImprove effective utilizationAdjust elastic preload
This invention relates to the field of granulation equipment technology and discloses a granulation device for biomedical plastic materials, including a guiding shaping mechanism and an adjustable plastic melt driving mechanism. Its structure includes a hollow rotating shaft installed in a longitudinal hollow tube and capable of rotation; a spiral blade that rotates with the hollow rotating shaft and can generate a downward pushing force on surrounding objects; a first spiral spring that can generate an upward elastic preload on a lower driven shaft; and an externally threaded rod that can change the elastic strength of the first spiral spring during rotation. This granulation device for biomedical plastic materials can generate a directional driving effect on molten plastic, thereby improving the working efficiency of the equipment. Furthermore, this driving effect can drive the cutting blade to cut the shaped plastic strip, thereby improving the effective utilization rate of the power source. In addition, the device can adjust the elastic preload of the cutting blade on the cutting area to ensure cutting efficiency and the yield of granulated finished products.
Owner:GAOYOU YAPU PLASTIC IND CO LTD

Method and system for optimizing multi-port charging in an aircraft cabin based on load identification

PendingCN122512584AImprove power utilizationImprove charging experience
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.
Owner:CHENGDU SHENGHE AVIATION TECH DEV CO LTD

Switching power supply circuit with higher reliability

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.
Owner:SHENZHEN XINZHONG TECH CO LTD

A rectifier multifunctional step-up / down control circuit

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.
Owner:GUANGDONG BESTEK E COMMERCE CO LTD

A comprehensive distribution box

The application discloses a comprehensive power distribution box, belongs to the technical field of electric power, and is provided with an energy storage module and a hub control module on the basis of a power distribution device. The hub control module can cut off the power supply circuit of preset non-key loads in the power distribution device when the power grid is powered off, control the energy storage module to output alternating current to the power distribution device, and guarantee the continuous power supply of preset key loads in the transformer area. When the energy storage module is idle, the energy storage module is controlled to output reactive power to the power distribution device, the transformer area is compensated for reactive power, and the power factor of the transformer area power supply is improved. The energy storage module is controlled to store power grid power during the low valley period of the power grid price, and the power distribution device is used to supply power to the transformer area load during the peak period of the power grid price, the power utilization amount during the low valley period of the power grid price is improved, the transformer area power consumption cost is reduced, in addition, the cabin type integrated cabinet can not only avoid the mutual interference between the energy storage module and the power distribution device, but also avoid the excessively large size of the comprehensive power distribution box.
Owner:HENAN PINGGAO GENERAL ELECTRIC CO LTD +1

Heating film control method and device, vehicle control unit and vehicle

PendingCN121973674AReduce power allocation requirementsEasy to meet work needsOhmic-resistance heatingBattery/fuel cell control arrangementElectrical batteryPower parameter
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.
Owner:NINGBO GEELY ROYAL ENGINE COMPONENTS CO LTD +1

Integrated non-alkaline gel zinc-air battery and method of manufacturing the same

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.
Owner:FUDAN UNIVERSITY

Radar communication integrated radio frequency signal generating device

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.
Owner:刘馨蔓

Quartz crucible melting heat shield heat retaining device

ActiveCN224590848Ureduce spreadreduce convection
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.
Owner:INNER MONGOLIA OJING QUARTZ CO LTD