138 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 relates to the technical field of power supply charging, and discloses a fully-immersed power supply charging method and system, and the method comprises the steps: analyzing the charging feature information of power supply equipment; matching the charging feature information with historical charging data in a preset charging strategy library to obtain charging matching data, and calculating a charging integrating degree of an adaptive charging strategy and the charging state parameters; analyzing the charging type of the power supply equipment, performing strategy retrieval on the adaptive charging strategy to obtain a retrieved charging strategy, formulating a charging supply plan of the power supply equipment, analyzing a professional supply path in the charging supply plan, and generating a charging control instruction of the power supply equipment; positioning an optimal energy charging path of the power supply equipment, detecting real-time physical state parameters of a charging medium of the power supply equipment, and calculating an energy efficiency conversion rate of the charging medium in the optimal energy charging path; and formulating a fully-immersed charging scheme adaptive to the power supply equipment. According to the invention, the charging efficiency of the fully-immersed power supply can be improved.

The invention belongs to the technical field of batteries, and particularly relates to a rechargeable battery type detection method and device, terminal equipment and a computer program product. According to the method, two types of rechargeable batteries with intersection between voltage output ranges can be automatically identified, firstly, whether the type of the rechargeable battery is a first charging type with relatively high maximum voltage output is judged by detecting the current voltage of the rechargeable battery to be detected, and if the type of the battery cannot be judged through the current voltage, the type of the rechargeable battery is judged to be a second charging type; in this way, whether the type of the rechargeable battery belongs to the first charging type or the second charging type can be further judged by executing the preset charging recognition mode or the preset discharging recognition mode, and therefore the beneficial effect that the charging safety is guaranteed while the user experience is optimized can be achieved.

The invention relates to the technical field of charging piles, and discloses a charging method and system of an intelligent charging pile, and the method comprises the steps: obtaining an identification code of a to-be-charged vehicle, carrying out the traversal in a vehicle database, determining the service life of a battery of the to-be-charged vehicle according to a traversal result, and when the identification code does not exist in the vehicle database, carrying out the charging of the to-be-charged vehicle. And determining the battery life of the to-be-charged vehicle according to the battery damage model, verifying the charging type, and when the charging type is judged to be incorrect, re-acquiring the charging type of the to-be-charged vehicle by using a clustering algorithm, determining a target charging type, acquiring all historical charging behaviors corresponding to the target charging type, and calculating the battery life of the to-be-charged vehicle according to the historical charging behaviors. And analyzing all historical charging behaviors, determining a charging adjustment index of the charging power based on an analysis result, and charging the to-be-charged vehicle according to the adjusted charging power. According to the invention, the adaptability to charging of vehicles of different brands and models and rechargeable batteries is improved.

The disclosure provides a wafer-level enhanced electric field sensor and a preparation method thereof, which can be applied to the technical field of electric field sensors. The wafer-level enhanced electric field sensor and the preparation method thereof comprise: a substrate for supporting an electric field sensitive structure, the surface of the substrate being provided with an anchor point; the electric field sensitive structure is arranged on the substrate and is used for sensing a to-be-measured electric field, wherein the electric field sensitive structure comprises any one of the following: a charge sensing type structure, an electrostatic force type structure, a piezoelectric type structure, a piezoresistive type structure and a guided charge type structure; a field enhancement cover plate is located above the electric field sensitive structure and is used for concentrating the to-be-measured electric field so as to enhance the electric field intensity acting on the electric field sensitive structure; and an insulating support structure layer is arranged at the edge of the substrate and is used for connecting the field enhancement cover plate and the substrate.

A control method for an energy storage power supply includes: detecting, in response to an external power supply being connected to a Type-C port, a charging type of the external power supply connected to the Type-C port, the charging type including at least one of solar charging, communication protocol charging, and vehicle charger charging; and controlling the energy storage power supply to activate a charging mode corresponding to the charging type of the external power supply, to cause the external power supply to charge a battery module of the energy storage power supply in the corresponding charging mode.

The invention provides a quick-charge type lithium ion battery and a preparation method thereof, and relates to the technical field of lithium batteries. The preparation method of the fast-charging type lithium ion battery comprises the following steps: S1, preparation of a positive plate: carrying out granulation treatment on lithium iron phosphate to obtain granulated lithium iron phosphate, and preparing positive slurry by using the granulated lithium iron phosphate; preparing the positive electrode slurry into a pole piece; carrying out surface treatment on at least one surface of the pole piece by using a lithium titanium phosphate nanowire to obtain a positive pole piece; s2, preparing a negative plate; and S3, preparing the quick-charging type lithium ion battery. The lithium ion battery disclosed by the invention has relatively excellent quick-charging performance.

The present invention relates to the technical field of lithium battery charging devices, specifically an intermittent charging type lithium battery parallel power supply device, which includes a power supply compartment. Inside the power supply compartment, there are multiple battery cells for energy storage. A top cover is fixedly installed at the upper end of the power supply compartment. An end of the top cover is provided with a current stabilizing device to prevent the temperature of the battery cells from being too high. A heat conducting plate is fixedly installed at an end of the power supply compartment, and the heat conducting plate is in close contact with the battery cells. A circuit control module capable of providing a stable power supply is fixedly installed at an end of the top cover. When the temperature of one of the battery cells is on the high side, the current of the current battery cell is reduced according to the current temperature, and at the same time, the current of the remaining battery cells can be stabilized, avoiding thermal runaway caused by too high temperature, significantly improving the safety of the operation of the battery pack, thereby reducing the heat generation of the high-temperature battery cells and reducing the pressure on the heat dissipation system, and indirectly improving the energy efficiency of the thermal management system.

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.

The invention relates to a vehicle detection method, electronic equipment and a system. The method comprises the following steps: acquiring a charging type of a to-be-detected vehicle; the charging types comprise a first vehicle model, a second vehicle model, a third vehicle model and a fourth vehicle model, the first vehicle model and the second vehicle model correspond to a first charging standard, and the third vehicle model and the fourth vehicle model correspond to a second charging standard; determining a detection device corresponding to a target charging line of the vehicle according to the charging type, and detecting the target charging line through the detection device; wherein the target charging line comprises at least one of a direct charging high-voltage loop, a boost charging high-voltage loop, a low-voltage communication line of a first charging standard and a low-voltage communication line of a second charging standard of the vehicle. According to the embodiment of the invention, the offline detection speed of electric vehicles with different charging protocol standards and voltage grades can be improved, so that the production takt and the productivity are improved.

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 invention discloses an intelligent circuit breaker rapid tripping protection method and device based on illegal charging detection, electronic equipment and a storage medium. The method comprises the steps of S1, monitoring and collecting related charging data of charging equipment through an intelligent circuit breaker; s2, carrying out preprocessing and feature extraction on the collected related charging data; s3, introducing a fault category tree to construct illegal charging symptom descriptions, defining a group of illegal charging symptom descriptions, and constructing a data attribute collaboration mechanism; s4, for the fault type of illegal charging, training an intelligent identification model on the labeled data set; s5, performing real-time monitoring and illegal charging detection, inputting features into the intelligent identification model, and detecting different illegal charging; and S6, if illegal charging is detected, performing an action according to the illegal charging type, and otherwise, returning to the step S5. The state of the charging pile can be monitored in real time, illegal charging behaviors can be accurately recognized, the charging safety of residents is guaranteed, and the utilization rate of the charging pile is increased.

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 invention discloses an evaluation method and system for participation of a multi-charging-mode electric vehicle cluster in power grid adjustment. The method comprises the steps that a charging station obtains parameters of electric vehicles and charging piles connected with the electric vehicles; evaluating the active power adjustable potential of a single electric vehicle; evaluating the reactive power controllable potential of a single electric vehicle, and obtaining active power and reactive power coupling constraints; aggregating the electric vehicles based on the active power adjustable potential and the reactive power adjustable potential to obtain the boundary of the active power, the reactive power and the accumulated energy of the electric vehicle cluster; and aggregating the active power and reactive power coupling constraints of the single electric vehicle in the cluster layer by layer to obtain the active power and reactive power coupling constraints of the cluster, thereby obtaining the potential of the electric vehicle cluster with multiple charging modes to participate in power grid power regulation. The method covers the current mainstream charging types, expands the active power and reactive power regulation means of the power grid, and is beneficial to the development of the electric vehicle industry and the construction and operation of the intelligent power grid.

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.

The invention discloses a bipolar net charge type composite polymer film with a huge equivalent piezoelectric effect formed by utilizing a micro-wrinkle design and a preparation method thereof, and the film comprises a charge storage layer, and a first charge packaging layer and a second charge packaging layer which are respectively attached to the upper surface and the lower surface of the charge storage layer, the first electrode and the second electrode are respectively sputtered on the surfaces of the first charge packaging layer and the second charge packaging layer, charges form bipolar net charges through Paren polarization instead of unipolar charges, a surface micro-wrinkle array is formed on the surface of the charge storage layer through thermal stress release in a template hot pressing process, the storage capacity of the net charges is improved, and the storage capacity of the polymer film is improved through corona polarization. A large amount of charges can be stably stored for a long time; according to the invention, through the inner surface wrinkle design of the polymer film, the charges with different numbers are stored in the charge storage layer and the cavity between the first charge packaging layer and the second charge packaging layer. The invention also discloses a preparation method of the polymer film. Meanwhile, the composite polymer film disclosed by the invention has the characteristic of flexible and light structure.

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 utility model relates to the field of electric tools, in particular to a charging system and a charging type electric tool multifunctional cabinet, the charging system comprises a power supply module, a charging module and a heat dissipation module, the power supply module comprises a mains supply and a mobile power supply which are connected in parallel, and the mains supply and the mobile power supply are respectively connected with a switch in series; the output end of the power supply module is connected with the input ends of the charging module and the heat dissipation module, the charging module is connected with the heat dissipation module in parallel, the charging module comprises a plurality of air switches and sockets, the heat dissipation module is a fan, and the output ends of the charging module and the heat dissipation module are connected with the input end of the power supply module. All the modules are connected through electric wires. According to the utility model, the charging requirement of the electric tool can be met, and reasonable storage can be realized.

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.

The invention discloses a European and American standard charging message processing method and processing system and a charging system, relates to the technical field of data processing, and is used for solving the problem of how to analyze and package European and American standard charging messages. The method comprises the following steps: acquiring a charging message between a charging pile and an electric vehicle; the charging pile is a European-standard charging pile or an American-standard charging pile; determining a charging type flag bit and a message type in the original data based on the charging message; adopting an analysis mode corresponding to the message type to obtain an analyzed charging message; carrying out statistics on the analyzed charging message, and recording statistical information of each frame of message; and packaging the analyzed charging message and the statistical information to obtain a packaged message. According to the method, the European and American standard charging messages are analyzed and packaged through classification processing.

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

The invention relates to the technical field of sodium-ion batteries, and discloses a preparation method of a wide-temperature-range fast-charging type iron-based sulfate positive electrode material and a sodium-ion battery. The preparation method integrates the advantages of a solid-phase method and a liquid-phase method; the technical problem that impurities such as Fe3O4 or Na6Fe (SO4) 4 and the like are easily generated due to element segregation in the process of preparing the Na < 2 + 2 delta > Fe < 2-delta > (SO4) 3 by a solid phase method is solved, the technical problem that a conductive carbon material is difficult to disperse in the process of preparing the Na < 2 + 2 delta > Fe < 2-delta > (SO4) 3 composite material by a liquid phase method is also solved, and the finally prepared sodium ion battery can be rapidly charged and discharged under the condition of a wide temperature range; and a high capacity retention rate is kept in a long-cycle process.

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.