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137results about How to "Improve charging experience" patented technology

Charging control method, device and system for charging pile

The invention provides a charging control method, a device and a system for a charging pile, which relate to the technical field of charging piles. The method comprises steps: the use state of a charging pile in a target charging station is acquired; based on the use state, a reservation request is sent to a charging management platform, wherein the reservation request represents the target charging pile in the target charging station is requested to be reserved; and pushing information sent by the charging management platform based on the reservation request is acquired to prompt a first user to decide whether to advance to the target charging station for charging according to the pushing information, when the first user advances to the target charging pile for charging, an intelligent ground lock of the target charging pile is unlocked through the charging management platform and thus, charging operation is executed. Thus, the technical problems of large manpower investment and low coverage when the existing way is used to solve the problem of the occupancy of parking space resources in charging facilities can be alleviated.
Owner:WANBANG CHARGING EQUIP CO LTD

Portable Multiple Mobile Electronic Device Charging Station

Compact and portable station for charging multiple mobile devices is described, embodiments of the station include: a rectangular housing comprising one or more removable battery packs comprising rechargeable battery cells, a divider plate, a main charging board configured as a charge and cell balancing circuit board, and a plurality of cord cartridges housing retractable cords, and a faceplate (interface) configured with interface ports, configured to enable charging of up to eight (8) connected electronic devices from the battery packs simultaneously. In another embodiment, the charging station further comprises a front panel display configured to display operating status information, such as battery charge level and power status. The unit is intended for use in public places for customer convenience and offering businesses advertising space.
Owner:VOLTBOX LLC

Electric vehicle charging station planning method and system

The invention relates to an electric vehicle charging station planning method and system. The method comprises steps: the city is divided into regions with equal side lengths; the traffic index of each region is determined according to vehicle GPS trajectory data of each region and UGC departure and destination data, and the traffic index of each region is subjected to normalization processing; according to the number of charging stations in each region and the utilization rate of a charging pile in a charging station, the utilization rate index of a charging facility in each region is determined; according to the traffic index of each region after normalization processing and the traffic index of each region, a charging station construction demand index in each region is determined; and according to the charging station construction demand index in each region, a charging pile mounting region is selected. According to the technical scheme provided in the invention, analysis is carriedout based on the regional traffic index and the existing charging station utilization rate condition, a scientific and reasonable optimal site selection result is obtained, and the charging experience of an electric vehicle user is enhanced.
Owner:BEIJING STATE GRID PURUI EXTRA HIGH VOLTAGE POWER TRANSMISSION TECH CO LTD +3

Electric vehicle charging pile inter-APP charging system mobile phone APP realization method

The invention discloses an electric vehicle charging pile inter-APP charging system mobile phone APP realization method comprising the following steps: 1, a user logs in a mobile phone APP, uses scanning, hand input or cloud download modes to obtain a charging pile code, and uses the code to obtain the charging pile equipment information; 2, the user checks charging pile state and charging data according to the obtained equipment information; 3, the user uses the mobile phone APP to input charging data, selects a payment mode, and pays the bill; 4, the user uses the mobile phone APP to send charging control information to a partner server or the charging pile, the charging pile receives the control information and starts charging, and the charging pile finishes charging and reminds the user that the charging is finished. The method can realize interconnection between different charging pile charging application systems, thus improving electric vehicle user charging experiences, and making contribution for electric vehicle popularization.
Owner:曹准

Charging behavior identification method and device, terminal equipment and storage medium

The embodiment of the invention is applicable to the technical field of electric vehicles, and discloses a charging behavior recognition method and device, terminal equipment and a computer readable storage medium, and the method comprises the steps: obtaining charging data, uploaded by a charging pile, of an electric vehicle, the charging data comprising charging current data; Judging whether thecharging current data meets a preset condition or not, the preset condition being that a time period in which the current continues to be a preset numerical value exists between the charging startingtime and the charging ending time, and the current difference between the current at the starting moment and the current at the ending moment of the time period is smaller than or equal to a preset current threshold; And when the charging current data meets a preset condition, determining that the behavior that the adapter is wrapped exists in the charging process. According to the embodiment ofthe invention, whether the charging behavior of wrapping the adapter exists in the charging process can be identified.
Owner:深圳智链物联科技有限公司

Vehicle charging method and device and vehicle controller remote control strategy

The invention provides a vehicle charging method and device and a vehicle controller remote control strategy. The vehicle charging method comprises the steps that a control request instruction sent by a vehicle-mounted terminal management unit to a vehicle controller when the start charging time set by a mobile terminal is up is received; the state of a vehicle is detected and obtained according to the control request instruction; when the vehicle is determined to be in a chargeable state at present according to the state of the vehicle, the vehicle is controlled to be subjected to low-voltage inspection, low-voltage electrifying, high-voltage inspection and high-voltage electrifying, and charging is conducted on the vehicle; and when the vehicle is fully charged or a charging end instruction sent by the vehicle-mounted terminal management unit to the vehicle controller when the end charging time set by the mobile terminal is up is received, charging is stopped, and the vehicle is controlled to be diselectrified, so that remote charging control over the vehicle is achieved, the charging efficiency is improved, and the charging experience of a user is improved.
Owner:BEIJING ELECTRIC VEHICLE

Power battery charging remaining time estimation method and device and electric vehicle

ActiveCN111216592AAccurately estimate remaining charging timeImprove estimated longitudeVehicular energy storageBattery/fuel cell control arrangementPower batteryElectric vehicle
The invention discloses a power battery charging remaining time estimation method and device and an electric vehicle. The method comprises the following steps: acquiring a first charging duration anda second charging duration of the power battery, wherein the first charging duration is the charging duration of the power battery in the heating period, the power battery is in a heating state and acharging state at the same time in the first charging duration, the second charging duration is the duration from an electric quantity at the end of charging of the power battery in the heating periodto a full charge state of the power battery, and the power battery is only in the charging state in the second charging duration; and estimating the charging remaining time of the power battery by adopting the first charging duration and the second charging duration. According to the invention, the technical problem that the finally determined actual charging time and the charging remaining timedisplayed at the beginning of charging have a large error due to the fact that the influence of temperature change on current change is ignored in a power battery charging remaining time estimation mode provided in related technologies is solved.
Owner:BORGWARD AUTOMOTIVE CHINA CO LTD

Charging station planning method considering user charging experience and power distribution network operation risk

PendingCN110826841AImprove charging experienceMeet the needs of charging experienceForecastingResourcesFeeder lineLoad model
The invention provides a charging station planning method considering user charging experience and power distribution network operation risks. The method comprises the following steps: step 1, establishing an electric vehicle load model; step 2, establishing a charging experience index, establishing an upper-layer comprehensive target for the charging station location and constant volume optimization target according to the charging experience index, the charging station construction cost and the user convenience, and proposing an upper-layer planning constraint condition; step 3, proposing ameta-point weighted Voronoi graph considering the spatial weight to carry out service range partitioning; step 4, establishing an upper-layer planning process by adopting a genetic tabu hybrid algorithm based on an upper-layer optimization target; step 5, establishing a lower-layer comprehensive target for a charging station load access node optimization target by taking the cost of the newly-built feeder line and the operation risk of the power distribution network; step 6, establishing a lower-layer planning process by adopting a cyclic replacement method based on the lower-layer comprehensive target. According to the invention, charging station planning can be carried out by integrating user charging experience, power grid operation conditions, charging station construction cost and other requirements.
Owner:SOUTH CHINA UNIV OF TECH

Charging pile control system based on street lamp Internet of Things

The invention discloses a charging pile control system based on a street lamp Internet of Things. The charging pile control system comprises charging piles, an Internet of Things node controller, an integrated controller, a monitoring server, an upper terminal. The charging piles are installed on light poles and connected with an interface of the Internet of Things node controller, and the integrated controller is in wireless communication with the Internet of Things node controller and the monitoring server. The Internet of Things node controller collects relevant data of the charging piles and transmits the relevant data to the integrated controller; the integrated controller transits to the monitoring server the relevant data of the charging piles transmitted by the Internet of Things node controller; the monitoring server performs analysis processing on the collected relevant data of the charging piles and transmits processing results to the upper terminal; and the upper terminal is used for enabling users to search in-place conditions of the surrounding charging piles, perform navigation to the positions of the charging piles and perform on-line payment for a charging service. The administration and construction cost and communication costs are greatly reduced.
Owner:东莞中科智城软件有限公司

High-adaptive charging system and method for electric vehicle

The invention relates to a high-adaptive charging system and method for an electric vehicle. The system comprises a power battery pack, a battery management system, a charging interface, a charging positive relay, a charging negative relay and a structure conversion relay group, wherein the charging positive relay comprises a positive relay in a common charging mode, a positive relay in a high-voltage charging mode, and a positive relay in a low-voltage charging mode. The structure conversion relay group controls the series-parallel connection structure of the battery pack, adjusts the charging voltage of the electric vehicle, and adjusts the charging voltage of the battery pack under the allowable charging current of a charger in order to adapt to a connected charging pile. For a high-voltage high-power charger, the system increases the charging voltage of the battery pack and the charging power of the battery pack, shortens the charging time, and improves the adaptability of the electric vehicle to long-distance driving. For a low-voltage charger, the system reducing the charging voltage of the battery pack, makes the battery pack compatible with the low-voltage charger, and reduces the dependence of the electric vehicle on general charging infrastructure.
Owner:BEIHANG UNIV

Method for adjusting charging current, terminal and computer readable storage medium

The invention discloses a method for adjusting charging current, a terminal and a computer readable storage medium. The method comprises the following steps: acquiring the first beginning time of this charging at the terminal when detecting that the terminal is in the charging state; predicting the first time duration of this charging according to the charging habit of the user to the terminal and the first beginning time, wherein the charging habit comprises the second beginning time of former each charging of the terminal and the corresponding second time duration; when the first time duration is not less than the first time threshold, setting a temperature threshold of the current charging current as the first temperature threshold; when the first time duration is less than the first time threshold, setting the temperature threshold of the current charging current as the second temperature threshold, wherein the first temperature threshold is less than the second temperature threshold. By using the method disclosed by the invention, the charging habit of the user can be learned, whether the current charging needs to preferably guarantee the charging speed or preferably guarantee the temperature rise experience can be judged according to the charging habit, thereby intelligently adjusting the charging current, and the user can acquire better charging and temperature rise experience.
Owner:南京链尚科技有限公司

Electric vehicle automatic charging system and method

The invention provides an electric vehicle automatic charging system and method, and relates to the field of electric vehicle charging. The electric vehicle automatic charging system comprises a charger, a mechanical arm and a client side, wherein the charger is provided with a control unit and a charging gun, the client side and the charger are provided with WIFI modules respectively, the mechanical arm is correspondingly provided with a mechanical arm control system, the mechanical arm control system is in communication connection with the control unit of the charger, and a working end of the mechanical arm is connected with the charging gun. The disclosed automatic charging system applies a mature automatic mechanical arm technology in the field of industrial control to the technical field of charging, and eliminates an industrial pain point of the field of charging. After driving a car into a charging parking area, a client only needs to select automatic charging on a mobile phoneclient, the automatic charging system can automatically complete a series of charging processes such as gun taking, gun inserting, gun drawing and homing and the like, after charging is completed, theclient can also complete the payment on the mobile phone client; and the electric vehicle automatic charging system can provide convenient and user-friendly charging experience for the client.
Owner:上海鼎充新能源技术有限公司

Charging recommendation method and device based on big data analysis

The invention discloses a charging recommendation method and device based on big data analysis, relates to the technical field of charging piles, and aims to effectively reduce the waiting time of charging queuing of users through big data analysis, and improve the charging experience of the users. The method comprises the following steps that: vehicle data of a current vehicle and charging pile data in a preset range are acquired, wherein the vehicle data comprises vehicle identification information, vehicle speed information, position information and residual electric quantity information; and based on the residual electric quantity information, the position information and the vehicle speed information of the current vehicle, screening out a target charging pile in the regional range, and queuing and reserving on the target charging pile by using the vehicle identification information. The method provided by the technical schemes is applied to the device.
Owner:DFSK MOTOR LTD CHONGQING BRANCH CO

Double-gun charging pile system with function of automatic single-double-gun switching and control method thereof

The invention discloses a double-gun charging pile system with the function of automatic single-double-gun switching and a control method thereof in the field of new energy vehicle charging. The system is composed of a charging cabinet and two split piles. Billing units are arranged in the split piles. An AC-DC charging module, a power allocation unit, two charging control units and two power distribution units are arranged in the charging cabinet; and an alternating-current input terminal is connected with the power allocation unit by the AC-DC charging module. In addition, the method includes: carrying out initialization; carrying out self checking and entering a standby state; and detecting charging states of the pair of guns and entering a single-gun alternating charging mode or a dual-gun simultaneous charging mode based on different states and the like. In the single-gun alternating charging mode, the billing units carry out charging; and in the dual-gun simultaneous charging mode, the billing units send mode switching commands and a charging control unit completes self checking and then enters a charging state. According to the invention, problems of low usage efficiency ofthe dual-gun charging pile and slow single-gun charging by a user are solved; the utilization rate of the charging pile is improved; and a quick charging experience is provided for the user with single gun for charging.
Owner:SHENZHEN VAPEL POWER SUPPLY TECH

Novel vehicle-mounted electric automobile battery charger and control method thereof

The invention discloses a novel electric automobile charging circuit and a control method thereof. The circuit comprises a control unit and a main circuit, wherein the main circuit comprises a high frequency circuit and a power frequency circuit; the power frequency circuit comprises a charging input end, a half-bridge PWM rectifier and an energy storage capacitor which are connected in sequence;the input end of the half-bridge PWM rectifier is connected to a resonance circuit, a high frequency isolation transformer, a high voltage rectifier filter circuit, a low voltage rectifier filter circuit, a low voltage output end and a charging output end to form the high frequency circuit; and the control unit is used for controlling the operation of the half-bridge PWM rectifier and the operation of the rectifier filter circuit according to obtained voltage and current information. Power factor correction and the soft-switching technology of a high voltage rectifier bridge are realized, thequantity of switching devices required for a battery charger can be reduced effectively, the volume of the transformer is reduced, the quantity of transformers can be reduced due to the application ofa three-winding transformer, the efficiency of power transmission is improved, and the volume and cost of the system are reduced.
Owner:SOUTHEAST UNIV

Electric vehicle charging method based on mobile charger mode

The invention discloses an electric vehicle charging method based on a mobile charger mode. The electric vehicle charging method includes the steps: initializing charging demand parameters of M EV (electric vehicles) and operating state parameters of N MC (mobile chargers); setting m=1 and n=1; judging whether m is less than or equal to M or not; executing the step 4 if m<=M; otherwise, finishing calculation of charging schemes of the M electric vehicles; calculating and outputting the charging scheme of the m electric vehicle and charging service station operating parameters, and updating the operating state parameters of the mobile chargers; assigning m+1 to m, and setting n=1; executing the step 3. The electric vehicle charging method can provide viable charging schemes for electric vehicle users based on the mobile charger mode, overcomes the shortcomings of limitation of fixed charging facilities by distribution network capacity and the number of parking spaces and accordingly solves the problem of charging difficulty of the electric vehicles in old urban areas of tier one and two cities.
Owner:HEFEI UNIV OF TECH

Wireless charging system, method and sweeping robot

InactiveCN105978114ARealize contactless chargingSolve the disadvantages of exposed charging contactsBatteries circuit arrangementsElectric powerPower flowControl system
The present invention proposes a wireless charging system, method, and sweeping robot. The wireless charging system includes: a transmitting system, including a first control module, used to control a first power supply, and provide a first current; a transmitting module, used to receive The first current, and convert the first current into an AC signal and transmit it; the receiving system, including a receiving module, is used to receive the AC signal, and convert the AC signal into a second current, and according to the distance between the transmitting system and the receiving system Generate an indication signal corresponding to the distance; the second control system is used to receive the second current and the indication signal to charge the second power supply. Through the wireless charging system, the non-contact charging of the sweeping robot can be realized.
Owner:青岛众海汇智能源科技有限责任公司

Charging toll collection system and method for electric automobile park based on automatic plate number recognition

The invention discloses a charging toll collection system and method for an electric automobile park based on an automatic plate number recognition. The system comprises a plate number recognition probe, a park management system, a data management center, a park timing meter and a park networked data management platform. The plate number recognition probe recognizes and captures plate number information of blue plate or green plate automobiles coming in and going out of the park; the park timing meter is used for charging of automobiles; the park management system controls and manages work ofthe plate number recognition probe, the park timing meter and the data management center; the data management center is responsible for reading and storing plate number information of automobiles coming in and going out of the park and feeds related park information to the park networked data management platform; and the park networked data management platform collects related information of the park management system and issues the same to the platform for related persons to inquire. By communicating the park charging management system and an electric automobile operating management system, automatic management on electric automobile parking discount as well as uniform management on electric automobile parking charging is implemented.
Owner:深圳市长戈科技有限公司

Calculation method and device for full-charge automatic stop pre-collection fees, terminal equipment and a computer readable storage medium

The embodiment of the invention is applicable to the technical field of electric vehicles, and discloses a calculation method and device for full-charge automatic stop pre-collection fees, terminal equipment and a computer readable storage medium, and the method comprises the steps: obtaining two-dimensional code information of a charging pile; Presenting a charging order interface to the charginguser according to the two-dimensional code information; Receiving a full automatic stop mode selection instruction of a charging user; Obtaining a historical order of a charging user; Obtaining the effective charging power of the electric vehicle corresponding to the charging user according to the historical order; And according to the effective charging power and the preset charging duration, calculating the pre-charge fee. According to the embodiment of the invention, historical orders of a charging user are obtained; The effective charging power of the electric vehicle is determined according to the historical order, and the effective charging power is closer to the actual power of the electric vehicle, so that the accuracy of calculating the pre-charge fee according to the effective charging power is higher, the actual charging fee is better met, the prepaid fee and the conflict psychology of a vehicle owner are reduced, and the charging experience of a user is improved.
Owner:深圳智链物联科技有限公司

Charging pile power supply method, device and system, charging pile and storage medium

The embodiment of the invention is applicable to the technical field of charging piles, and discloses a charging pile power supply method, device and system, a charging pile and a computer readable storage medium. The method comprises the steps: obtaining an emergency code, wherein the emergency code is a character string generated by a charging pile management platform when a data transmission fault occurs between the charging pile and the charging pile management platform; analyzing the emergency code to obtain power supply information; and executing a power supply operation according to thepower supply information. According to the embodiment of the invention, the charging pile management platform automatically generates the emergency code when a data transmission fault occurs betweenthe charging pile and the charging pile management platform, the charging pile analyzes and identifies the emergency code to execute the active power supply operation, so that the active power supplyof the charging pile is realized when a data transmission fault occurs between the charging pile and the charging pile management platform, and the charging experience of a user is also improved.
Owner:深圳智链物联科技有限公司

A charging station evaluation recommendation platform and an adopted evaluation recommendation method thereof

The invention relates to a charging station evaluation recommendation platform. The platform comprises a data acquisition unit for acquiring various data of each charging station; a scoring unit whichis used for scoring each charging station according to various data of each charging stationto obtain a comprehensive score; and a recommending unit used for according to the comprehensive score of each charging station, sorting each charging station, carrying out different marking on each charging station based on a sorting result, and displaying each charging station. The evaluation recommendation method adopted by the charging station evaluation recommendation platform comprises the following steps of obtaining and preprocessing various data of each charging station; scoring each chargingstation according to various data of each charging station to obtain a comprehensive score; and sorting the charging stations according to the comprehensive score of each charging station, and carrying out different marking and displaying on each charging station based on a sorting result. For the charging station, the charging station is scored according to various data, so that reasonable recommendation suggestions are made for the user, and the overall charging experience of the user is improved.
Owner:SHANGHAI POWERSHARE TECH LTD

Charging management method and system of electric vehicle and electric vehicle

The embodiment of the invention discloses a charging management method and system of an electric vehicle and the electric vehicle. Through the deployment of a battery management system (BMS) and a plurality of electric vehicle communication controllers (EVCCs) connected with the BMS on the same electric vehicle, when a first charging inserted gun is connected into a first charging socket, a firstEVCC converts information sent by the first charging inserted gun to obtain first interface state information and send the first interface state information to the BMS, and a second EVCC converts information sent by a second charging inserted gun to obtain second interface state information and send the second interface state information to the BMS; and the BMS generates a target charging controlstrategy according to the first interface state information and the second interface state information, so that the first EVCC and the second EVCC control the first charging inserted gun and / or the second charging inserted gun to execute charging operation according to the target charging control strategy. Therefore, in a short time, the two charging inserted guns can be used for charging more electric quantity for the electric vehicle through the two EVCCs, the charging efficiency of electric vehicle batteries is improved, thus, the time of a user to charge the electric vehicle can be shortened, and the charging experience of the user is improved.
Owner:NEUSOFT REACH AUTOMOBILE TECH (SHENYANG) CO LTD

Charging recommendation method, computer equipment and storage medium

The invention provides a charging recommendation method. The method comprises the steps of obtaining vehicle information and charging initiation time; Judging whether a vehicle charging record existsor not; If yes, querying the state information of the to-be-selected charging equipment in the charging record; Judging whether the to-be-selected charging equipment is in an idle state or not; If atleast one to-be-selected charging device is in the idle state, selecting the idle to-be-selected charging device with the most charging times as a recommended charging device; If the charging record does not exist or the charging record of the vehicle exists but all to-be-selected charging devices are in a non-idle state, judging whether the charging initiation time is within a preset time periodor not; If the charging time is within the preset time period, selecting the idle charging equipment with the highest charging power as recommended charging equipment; And if the vehicle is out of thepreset time period, selecting idle charging equipment closest to the vehicle as recommended charging equipment. And the charging equipment is recommended according to the charging habit and the charging time of the user, intelligent charging equipment recommendation is realized, and the charging efficiency is improved.
Owner:恒大恒驰新能源汽车研究院(上海)有限公司

Charging behavior identification method and device, terminal equipment and storage medium

The embodiment of the invention is applicable to the technical field of electric vehicles, and discloses a charging behavior recognition method and device, terminal equipment and a computer readable storage medium, and the method comprises the steps: obtaining charging data, uploaded by a charging pile, of an electric vehicle, the charging data comprising charging current data; Judging whether thecharging current data meets a preset condition or not; wherein the preset conditions are as follows: a time period in which the current continues to be a preset numerical value exists between the charging starting time and the charging ending time, and the charging data from the starting moment of the time period to the first preset moment and the charging data from the ending moment of the timeperiod to the second preset moment belong to different charging types respectively; And when the charging current data meets a preset condition, determining that a vehicle replacement behavior existsin the charging process. According to the embodiment of the invention, whether the charging behavior of the replaced vehicle exists in the charging process can be identified.
Owner:深圳智链物联科技有限公司

Wireless charging control method and circuit, and terminal device

InactiveCN109546711AGuaranteed wireless charging performanceMeet needsBatteries circuit arrangementsAc-dc conversionTerminal equipmentCharge control
The invention provides a wireless charging control method and circuit, and a terminal device. The wireless charging control method is applied to a wireless charging control circuit in a terminal device. The wireless charging control circuit includes a wireless charging receiving coil which has at least two operating states, and the inductance value of the wireless charging receiving coil in each operating state is distinctly different. The wireless charging control method includes the steps: acquiring an induced voltage of the wireless charging receiving coil; and according to the induced voltage, controlling the wireless charging receiving coil to operate according to the corresponding operating state. Therefore, in the wireless charging control method and circuit, and the terminal device, the charging state of the terminal device is not fixed, and the charging state of the terminal device can be flexibly adjusted according to the induced voltage of the wireless charging receiving coil, thereby ensuring the wireless charging performance of the terminal device, so as to preferably satisfy the demand of users and achieve a good user charging experience.
Owner:VIVO MOBILE COMM CO LTD

Vehicle charging management method and system and computer storage medium

The invention provides a vehicle charging management method and system, and a computer storage medium, and the method mainly comprises the steps: determining vehicle type information of a requested vehicle according to the vehicle identification information of the requested vehicle, determining vehicle charging management information according to the vehicle type information, and managing a charging operation of the requested vehicle based on the vehicle charging management information. Therefore, the charging success rate of the vehicle can be increased, the charging safety is improved, and the vehicle charging use experience of a vehicle owner is improved.
Owner:WUHAN NIO ENERGY CO LTD

New electric automobile charging circuit and control method thereof

The invention relates to a new electric automobile charging circuit and a control method thereof. The topological structure of the new electric automobile charging circuit comprises an industrial frequency alternating current level, a PWM rectifier, a high frequency isolation transformer, a high voltage rectification filter circuit, a low voltage rectification filter circuit and a direct current output end. The industrial frequency alternating current level is controlled by using a double closed loop control strategy which consists of an outer voltage loop and an inner current loop to output direct current voltage to charge an energy-storage capacitor. According to the technical scheme of the new electric automobile charging circuit, the PWM rectifier adopts a switching tube full bridge structure; and meanwhile, functions such as a power factor correction function, industrial frequency rectification function, high frequency inversion function and so on are realized; therefore, the usenumber of switching tubes is greatly reduced. The industrial frequency current is cut off by using a series resonance circuit and energy is provided to the high frequency isolation transformer by using high frequency current generated by the PWM rectifier; therefore, the volume of the transformer can be effectively reduced.
Owner:SOUTHEAST UNIV

Electric vehicle slow charging and management system with multiple guns on one pile

An electric vehicle slow charging and management system with multiple guns on one pile relates to an electric vehicle charging and management system, and comprises slow charging piles, a background management system and a client. The number of the slow charging piles is at least two or more, the ID number of each slow charging pile is distributed by the background management system, and each slowcharging pile is connected with the background management system through a network. The background management system comprises a background communication module, a background server and a background display module; each slow charging pile comprises a slow charging controller, at least two charging guns, gun hanging devices, a card swiping module, a display screen, an electric quantity acquisitionmodule, a communication module and a relay; each charging gun is correspondingly connected with one electric quantity acquisition module and one relay; when network signals are poor, the system can continue to charge, one pile is provided with the plurality of guns, one pile can achieve the functions of a plurality of piles, installation and arrangement of the charging piles are facilitated, and the cost is lowered.
Owner:GUANGXI UNIVERSITY OF TECHNOLOGY

Control method of electric vehicle charging cover and charging socket

The invention provides a control method of an electric vehicle charging cover and a charging socket. The charging socket comprises a plug sleeve, a trigger switch, a controller and a radio frequency communication module, wherein the trigger switch is arranged at the bottom of an E hole of the plug sleeve, when a plug is fully inserted into the plug sleeve, the trigger switch is connected, one endof the trigger switch is connected to a ground wire, and the other end of the trigger switch is connected to a high-level port of the controller; and an output port of the controller is connected withthe radio frequency communication module. The control method comprises the steps of obtaining state information of the charging socket; judging whether the state information meets a charging cover opening condition or not; and if yes, controlling the charging cover to be opened. According to the control method, charging steps of an electric vehicle is simplified, the action of "inserting the charging gun power plug into the charging socket" serves as a triggering condition for starting charging, a user does not need to manually issue an instruction for starting the charging cover, the problemthat the charging steps are tedious is solved, and the charging experience of the user can be improved.
Owner:JIANGMEN TIANDE ELECTRICAL APPLIANCE CO LTD

Information generation method, information sending method, server and terminal equipment

The invention provides an information generation method, an information sending method, a server and terminal equipment. The information generation method comprises the steps of receiving charging state information, which is transmitted by the terminal equipment, of an electric vehicle, wherein the charging state information comprises position information of a charging pile and state information indicating whether the charging pile has a charging fault or not, and the number of the charging state information is at least one piece; and generating a charging pile recommendation list according tothe charging state information. According to the embodiment of the invention, the user can be helped to select the charging pile preferentially through the charging pile recommendation list, the charging interruption problem caused by the quality of the charging pile is reduced, and the brand quality and the charging experience of the user are improved.
Owner:BEIJING ELECTRIC VEHICLE
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