74 results about "Charge type" patented technology

The invention discloses a cable accessory aging assessment early warning method based on space charge characteristics. The method comprises the following steps: S1, collecting a non-alternating space charge signal, an environment temperature and an operation electric field intensity; s2, extracting multi-dimensional space charge characteristic parameters; s3, outputting an aging evaluation index, and determining an aging stage; s4, calculating a residual life prediction value; according to the method, the characteristics of multiple aspects such as charge accumulation, charge type proportion and electric field change of the cable accessory in the aging process can be comprehensively reflected, and the one-sidedness possibly existing in single parameter evaluation is avoided; space charge signal processing is optimized, alternating charge interference and attenuation and distortion influences in the signal propagation process are effectively eliminated, and the reliability of signal processing is improved. By triggering fault early warning and calculating the residual life prediction value, potential faults of the cable terminal can be prevented, and safe and stable operation of a power system is guaranteed.

The invention discloses a charging method and equipment. In the method, a first control node receives a first request for requesting to allocate resources; the first control node obtains a charging policy and charging information, the charging policy comprises a charging policy corresponding to at least one charging type, the charging information comprises charging information corresponding to at least one charging type, and the charging type comprises one or more of the following types: a function type, a value type, a resource type and a scenario type; and the first control node sends the charging strategy and the charging information to at least one execution node, so that the at least one execution node reports resource use information according to the charging strategy and the charging information, and the at least one execution node is an execution node which is allocated by the first control node and used for providing resources. According to the method, a single charging strategy and charging information are not adopted any more, different charging strategies and charging information can be adopted for different charging types, and diversified charging requirements of different services can be met.

This application provides a method, apparatus, electronic device, and computer-readable storage medium for privacy protection during the charging process. The method includes: acquiring environmental information during the charging process based on a charging device, and identifying the environmental type during the charging process based on the environmental information; determining the charging type of the charging device based on monitored power status information; performing risk identification processing on the privacy permissions corresponding to the charging type to obtain the risk type during the charging process; thus, by obtaining multi-dimensional information during the charging process, namely environmental type, charging type, and risk type, a comprehensive judgment is made to perform risk control processing on the charging process. This application can improve the accuracy of risk control processing and ensure privacy security during the charging process, such as data security and property security.

The invention provides a method and system for preventing abnormity caused by battery aging and a medium. The method comprises the steps of monitoring a target battery, extracting battery performance parameters, processing to obtain a comprehensive health value of the battery, collecting real-time battery body temperature, real-time residual electric quantity and user behavior data of the target battery, processing in combination with the comprehensive health value of the battery, and obtaining electricity demand confidence coefficient; judging whether a user has an emergency power demand according to the power demand confidence, triggering a corresponding charging mode, monitoring the charging state of a target battery, extracting power supply characteristic parameters of a preset charging source, processing to obtain the charging type confidence, judging the type of the charging source according to the charging type confidence, and formulating a corresponding charging curve adaptation strategy; therefore, the technology for preventing abnormity caused by battery aging is realized.

The application relates to a high-capacity porous niobium pentoxide material and a preparation method and application thereof, relates to niobium pentoxide and preparation and application thereof, and aims to solve the technical problems of low conductivity and slow ion diffusion of existing orthogonal phase niobium pentoxide materials. The material is formed by interconnection of 100-300 nm niobium pentoxide matrix nanoparticles, growth of 10-30 nm secondary nanoparticles on the surface, and a 'raspberry-like' multi-level assembly morphology; the material has a pore diameter of 2-20 nm, a specific surface area of 15-45 m 2 / g; and has an orthogonal phase niobium pentoxide structure and carbon doping characteristics. The material is prepared by using a surfactant containing a quaternary ammonium cation as a soft template, utilizing electrostatic-coordination synergistic action to drive niobium salt and organic quaternary ammonium cation assembly, and high-temperature sintering in an inert atmosphere. When used as a negative electrode of a lithium ion battery, the material reaches a capacity of 350 mAh / g at a current density of 0.1 A / g, and can be used in the field of fast-charging type alkali metal ion batteries.

The application provides a low-temperature fast-charging type lithium iron phosphate positive electrode material and a preparation method and application thereof, and belongs to the field of lithium ion batteries. The iron source, the phosphorus source and the first dopant are mixed to prepare a composite precursor through reaction; the composite precursor is uniformly mixed with a lithium source, a carbon source, a second dopant and a third dopant to obtain a mixture, and the mixture is ground and spray-dried to obtain an intermediate product; and the intermediate product is subjected to calcination treatment to obtain the low-temperature fast-charging type lithium iron phosphate positive electrode material. The first dopant is introduced into the composite precursor to construct a biomimetic ion channel, and a synergistic strategy of multi-element composite doping and calcination treatment is combined, so that the diffusion path of lithium ions is significantly widened, the migration resistance of lithium ions at low temperature is reduced, the comprehensive electrochemical performance of the lithium iron phosphate positive electrode material is improved, and the defects of poor low-temperature performance and insufficient fast-charging capacity of traditional materials are effectively solved.

This invention provides a charge-type control circuit, control system, and control method for a three-arm resonant topology. The charge-type control circuit controls a three-arm resonant topology circuit to perform six-step commutation. A circuit output feedback module collects the output electrical signal of the three-arm resonant topology circuit and processes the signal to obtain a feedback result. An integral comparison module collects the primary resonant signal, calculates the integral result, compares the integral result with the feedback result, and outputs a pulse trigger signal based on the comparison result. A drive generation module outputs a frequency adjustment signal to the three-arm resonant topology circuit based on the pulse trigger signal. The frequency adjustment signal controls the three-arm resonant topology circuit to perform six-step commutation. By triggering the state flip of the switching transistor when the integral calculation result reaches a preset threshold, inconsistencies in the parameters of the resonant components between the bridge arms that lead to uneven current flow are avoided, thus improving the device's lifespan and reliability.

The invention discloses a sodium ion soft package battery capable of being quickly charged at low temperature and a manufacturing method, belongs to the technical field of sodium ion batteries, and particularly relates to a manufacturing method of a sodium ion battery cell capable of being quickly charged at low temperature, which comprises the following steps: coating, rolling, die-cutting and baking positive electrode slurry and negative electrode slurry to obtain a positive plate and a negative plate; and then laminating, welding and packaging with a diaphragm, and injecting a low-temperature electrolyte to obtain the low-temperature quick-charge sodium ion battery cell. The negative electrode slurry is mixed slurry of hard carbon, a conductive agent, a negative electrode buffer additive and a binder; the negative electrode buffer additive is at least one of tin, antimony and black phosphorus; the conductive agent is at least one of conductive carbon black, carbon nanotubes, modified carbon nanotubes and graphene. A soft package battery composed of the low-temperature fast-charging sodium ion battery cell prepared by the method has good long-term cycling stability and low-temperature fast-charging performance.

The invention relates to the technical field of lithium ion battery electrolyte, and discloses fast-charge type lithium ion battery electrolyte and a preparation method thereof, the fast-charge type lithium ion battery electrolyte comprises the following raw materials by mass: 12-15 parts of lithium salt, 1-2 parts of a composite additive, 0.5-1 part of a film-forming agent, 0.3-0.5 part of an anti-explosion agent, 0.5-0.7 part of a deacidification and water removal agent, and 75-80 parts of an organic solvent. The multi-layer structure in the composite additive can participate in formation of a solid electrolyte interface (SEI) film, so that the multi-layer structure serves as a physical barrier of the SEI film, irreversible parasitic reaction between lithium metal and a solvent is effectively blocked or inhibited, the uniformity of charge distribution on the surface of a negative electrode is guaranteed, the lithium ion transmission performance is high, and the service life of the lithium ion battery is prolonged. The interface impedance of an SEI film can be reduced, rapid transmission of lithium ions is promoted, and then growth of lithium dendrites is inhibited.

The utility model discloses a following charging type power supply mechanism and SMT material dismounting and connecting machine, which comprises a rack, a driving part, a transverse moving seat and a power supply socket, the transverse moving seat is arranged on the rack in a manner of reciprocating along a first direction, the power supply socket is electrically connected with the material dismounting and connecting machine through a first electric wire, and an external power supply is electrically connected with the power supply socket through a second electric wire. And the driving part is used for driving the transverse moving seat to move along with the material detaching and connecting machine when the material detaching and connecting machine moves along the first direction, so that the power supply socket and the second electric wire move along with the material detaching and connecting machine. According to the charging-following type power supply mechanism, through cooperation of the driving part, the transverse moving seat and the power supply socket, the external power source is electrically connected with the power supply socket through the second wire, the power supply socket is electrically connected with the material detaching and connecting machine through the first wire, and the driving part drives the transverse moving seat to move along with the material detaching and connecting machine when the material detaching and connecting machine moves in the first direction; and the power supply socket and the second wire move along with the material dismounting and connecting machine, so that the material dismounting and connecting machine is charged while moving, and the labor-time utilization rate of the material dismounting and connecting machine is improved.

An electrostatic discharge protection device is provided. The present device relates to a semiconductor device that is particularly suitable as a component for electrostatic discharge protection. The semiconductor device comprises a first structure, including: a third semiconductor region of the second charge type, a fourth semiconductor region of the first charge type and being spaced apart from the third semiconductor region, and a first connection element configured to electrically connect the third semiconductor region to the fourth semiconductor region. The third semiconductor region is arranged in between the first semiconductor region and the fourth semiconductor region, and the fourth semiconductor region is arranged in between the second semiconductor region and the third semiconductor region.

The invention discloses a method and device for determining a charging amount, a server and a computer storage medium, and relates to the technical field of computers. According to the technical scheme disclosed by the invention, the corresponding relation between the charging type and the pricing factor, the corresponding relation between the value range of the pricing factor of the charging type and the reference cost calculation scheme, the corresponding relation between the charging type and the deduction type, and the corresponding relation between the deduction type of the charging type and the deduction factor are introduced; according to the method, complete parameterization is realized according to the corresponding relation between the deduction type of the charging type, the deduction factor value range and the deduction cost calculation scheme, and the deduction processing strategy of the charging type. When the service requirements change, the changed service requirements can be met by only determining the charging types needing to be adjusted and correspondingly modifying all or part of the corresponding relations and the reduction and remission processing strategies related to the charging types, the change of the service requirements can be quickly responded, and the system improvement cost is remarkably reduced.

A method for visualizing health of a re-chargeable battery includes collecting, over a period of time, charging event data including charging type and charging duration. The method also includes determining an estimated battery degradation based on the charging event data, the estimated battery degradation accounting for normal battery degradation. The method further includes generating a visual representation of the charging event data and the estimated battery degradation. The method also includes displaying the visual representation via an in-car display

A high-electron mobility transistor includes a semiconductor body including a plurality of type III-nitride semiconductor layers stacked on top of one another, thereby forming a plurality of two-dimensional first charge type gas channels and at least one two-dimensional second charge type gas channel vertically in between two of the two-dimensional first charge type gas channel, source and drain electrodes that are laterally spaced apart from one another and in ohmic contact with the plurality of two-dimensional first charge type gas channel, a gate structure configured to control a conductive connection between the source and drain electrodes by controlling a conductive state of the plurality of two-dimensional first charge type gas channels, and a charge dissipation structure that is configured to remove second charge type carriers from the two-dimensional second charge type gas channel during an off-state of the high-electron mobility transistor.

The invention discloses an effective charging judgment method, system and device for a new energy automobile and electronic equipment, and the method comprises the steps: initializing and loading an effective charging judgment rule and a threshold parameter, and obtaining the multi-dimensional charging data of the automobile in real time, the multi-dimensional charging data at least comprises charging duration, charging electric quantity, power change, battery temperature, environment temperature and charging type; carrying out filtering processing on the multi-dimensional charging data based on a judgment rule to remove the short-time charging data and obtain filtered multi-dimensional charging data; and for the corresponding charging types, multi-parameter association analysis is performed on the filtered multi-dimensional charging data based on a decision rule and a threshold parameter, so that effective charging data in the filtered multi-dimensional charging data can be determined, and the charging types comprise a fast charging type and a slow charging type. According to the method, the charging effectiveness of the new energy vehicle can be judged based on the multi-dimensional data, and the accuracy of effective charging identification is improved.

The invention provides a charging parameter adjustment method and device, a chip system and a program product, and relates to the technical field of communication. According to different life stages and / or different charging types and / or different charging stages of a life cycle, multiple sets of CV parameters are preset respectively, and each set of CV parameters comprises a temperature range, a charging voltage and a charging current corresponding to one life stage and / or one charging type and / or one charging stage. When the life stage, the charging type or the charging stage are changed, a set of CV parameters is determined, and then the battery is charged according to the charging current in the set of CV parameters. The multiple sets of CV parameters are respectively preset for different life stages, and / or different charging types, and / or different charging stages, so that the corresponding relation among the temperature, the charging current and the charging voltage is not unique, and the attenuation speed of the service life of the battery can be slowed down by dynamically adjusting the CV parameters.

The invention relates to a fast-charge type silicon monoxide negative electrode material and a preparation method and application thereof, and the preparation method of the fast-charge type silicon monoxide negative electrode material comprises the following steps: mixing a lithium lithiation reagent and a silicon monoxide material for preliminary chemical lithiation, and then preparing the fast-charge type silicon monoxide negative electrode material through electrochemical lithiation, the non-bridging oxygen content ([non-bridging oxygen] / Si) is greater than or equal to 3.26. The fast-charging type silicon monoxide negative electrode material provided by the invention can be used for a fast-charging type lithium ion battery, and an interface of lithium oxide and lithium silicate is pre-formed in a chemical lithiation process, so that side reaction between silicon monoxide and an electrolyte is relieved; the high non-bridging oxygen silicate generated in the electrochemical lithiation process is beneficial to forming a rapid lithium ion channel in the silicon monoxide material, so that the diffusion coefficient of lithium ions in the material is improved, and rapid lithiation and delithiation of the silicon monoxide are realized; the prepared silicon monoxide negative electrode has high energy density and also has excellent fast charging capability under high current density.

The present application belongs to the technical field of lithium ion battery gel polymer electrolyte, and provides a fast-charging gel polymer electrolyte, a preparation method thereof and a lithium ion battery. The fast-charging gel polymer electrolyte comprises a support film loaded with a plasticizer and a polymer gel filled in the support film loaded with the plasticizer; the polymer electrolyte is formed by in-situ polymerization of a precursor solution; the precursor solution comprises a multifunctional precursor, an initiator, a plasticizer, a low-binding-energy solvent and a lithium salt; the binding energy between the low-binding-energy solvent and lithium ions is less than or equal to -0.70 eV; and the functionality of the multifunctional precursor is greater than or equal to 3. The fast-charging gel polymer electrolyte effectively balances the safety performance and fast-charging performance of the battery, and the lithium ion battery assembled using the same has high discharge specific capacity and long cycle life under 5C high-rate charging and discharging.

The invention discloses a vehicle charging information and fault information prompting method, device and equipment and a storage medium, relates to the technical field of vehicle information display, and discloses a vehicle charging information and fault information prompting method which comprises the steps that the current vehicle state, charging indication information, charging stage information and fault information are acquired; according to the current vehicle state and the charging indication information, the charging type is determined, and the charging type comprises an alternating current charging type and a direct current charging type; generating on-off frequency information according to two of the charging type, the charging stage information and the fault information; and controlling a target indicating lamp to be turned on or turned off according to the on-off frequency information, and completing vehicle charging information and fault information prompting. The technical effects that charging information and fault information of the new energy automobile are prompted visually and accurately, and key charging and fault data can be rapidly obtained without operating equipment or analyzing messages are achieved.

1. The name of the design product: hair dryer (charging type). 2. The use of the design product: used for hairdressing tools, hair dryer for drying hair. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application discloses a ChaoJi charging interface-based AC / DC power supply safety protection circuit and vehicle, realizes the accuracy of charging type identification after an AC or DC charging gun is inserted into a charging interface shared by AC and DC charging, and the circuit comprises an AC / DC identification circuit, a control unit, an AC switch and a DC switch; one end of the AC / DC identification circuit is used for being connected with a charging pile, for collecting input charging signals and identifying the AC / DC type of the charging signals; the other end of the AC / DC identification circuit is connected with the control unit; the control unit is further connected with the AC switch and the DC switch respectively, for controlling the on-off of the AC switch and the DC switch; and the AC switch and the DC switch are connected with a power battery respectively.

The utility model provides a contact charging type intelligent toilet lid which comprises a mounting base, a cover plate rotationally connected with the mounting base through a first lid opening mechanism, a toilet seat rotationally connected with the mounting base through a second lid opening mechanism, a control unit arranged on the mounting base and a first communication unit. The first cover opening mechanism, the second cover opening mechanism and the first communication unit are connected with the control unit; a distance sensor, a second communication unit interacting with the first communication unit and an energy storage module are further arranged at the front end of the cover plate, the toilet seat is provided with a positive charging electrode and a negative charging electrode, and the energy storage module is provided with a positive terminal in butt joint with the positive charging electrode and a negative terminal in butt joint with the negative charging electrode. The positive charging electrode abuts against the positive terminal, the negative charging electrode abuts against the negative terminal, so that the energy storage module is charged, when the distance sensor is used, power is supplied through the energy storage module, and the power supply mode has the advantages of being low in cost, stable in power supply and the like.

The application discloses a fast-charging type sodium ion battery negative electrode material based on a thermoelectric effect and a preparation method thereof, and belongs to the field of electrochemical energy storage devices.The fast-charging type sodium ion battery negative electrode material comprises a hard carbon matrix material and a nano thermoelectric material coating layer, and the nano thermoelectric material coating layer is coated on the surface of the hard carbon matrix material.Joule heat and reaction heat generated in the battery working process are utilized to form a micro area temperature gradient at a heterojunction interface, and a built-in electric field driving directional migration of sodium ions is generated based on the Seebeck effect.The self-driving mechanism significantly improves the transport dynamics of sodium ions in the hard carbon, and the hetero electric field of the thermoelectric material can homogenize the sodium ion flow, effectively inhibiting the growth of sodium dendrites.The application firstly combines the thermoelectric effect and the structural advantages of the spherical hard carbon, utilizes the temperature gradient to drive the sodium ion diffusion rate, realizes a uniform electric field to improve the stability of the negative electrode, and improves the kinetic performance and electrochemical performance of the hard carbon negative electrode as a whole.

The invention discloses an auxiliary service-oriented EVA bidirectional energy interaction multi-period regulation and control method and system, and relates to the technical field of intelligent power grid and electric vehicle aggregator operation optimization, and the method comprises the steps: calculating an energy and power feasible region boundary of an EV cluster in a scheduling period based on a frame in which an electric vehicle aggregator EVA participates in an auxiliary service; establishing a user willingness judgment model, and judging the willingness probability of EV users participating in regulation and control; determining a user participation proportion in combination with a charging type demand response strategy CBDR and a discharging type demand response strategy DBDR; constructing an optimization model which takes electric vehicle aggregator operation revenue maximization as a target function; obtaining an optimal charging and discharging scheduling scheme by solving the optimization model; according to the method, a composite strategy is adopted when the EV access scale is expanded, the adjustment capacity and the user acceptance are improved, and the stability of benefits is enhanced.

The utility model discloses a quick-charge type lithium ion battery pack structure which comprises a shell, a battery arrangement mechanism and single batteries are mounted in the shell, and a vertical sandwich plate and a transverse sandwich plate which are used for cooling stacking gaps of the single batteries are mounted on the battery arrangement mechanism. According to the utility model, heat in the stacking gaps among the single batteries is conveyed to the two ends and the top of the interior of the shell through the vertical sandwich plates and the transverse sandwich plates, so that the situation that the local heat of the single batteries is too high due to the stacking gaps is avoided; meanwhile, the fan exhausts heat on the top of the inner side of the shell outwards, and the liquid cooling box performs liquid cooling heat dissipation on heat on the two side surfaces of the shell, so that the heat in the shell is effectively controlled, the condition that the battery capacity is attenuated due to continuous increase of the heat in the fast charging process of the battery pack is avoided, and the service life of the battery pack is prolonged.

The application relates to the technical field of charging piles, and discloses a charging method and system of an intelligent charging pile, which comprises the following steps: obtaining the identification code of a vehicle to be charged and traversing in a vehicle database, determining the battery life of the vehicle to be charged according to the traversal result, determining the battery life of the vehicle to be charged according to a battery damage model when the identification code does not exist in the vehicle database, verifying the charging type, reacquiring the charging type of the vehicle to be charged by using a clustering algorithm when it is judged that the charging type is incorrect, determining a target charging type, obtaining all historical charging behaviors corresponding to the target charging type, analyzing all the historical charging behaviors, determining a charging adjustment index of the charging power based on the analysis result, and charging the vehicle to be charged according to the adjusted charging power. The application improves the adaptability of charging vehicles of different brands and models and charging batteries.

A charging method and a device are provided. In the method, a first control node receives a first request for requesting to allocate a resource. The first control node obtains a charging policy and charging information, where the charging policy includes a charging policy corresponding to at least one charging type, the charging information includes charging information corresponding to the at least one charging type, and the charging type includes one or more of the following types: a functional type, a value type, a resource type, and a scenario-based type. The first control node sends the charging policy and the charging information to at least one execution node, to cause the at least one execution node to report resource utilization information based on the charging policy and the charging information.