54 results about "Fast charging station" patented technology

An electric vehicle charging station for charging electric vehicles includes a plurality of energy storage reservoirs configured to receive and store energy from one or more power sources and / or one or more power generators; one or more power heads for charging the electric vehicles at the electric vehicle charging station, the multiple power heads receiving electrical power from the plurality of energy storage reservoirs, the multiple power heads each being configured for releasably connecting to each of the electric vehicles for charging at the electric vehicle charging station; and a computer control system configured to monitor a charging demand at each of the one or more power heads and to connect one or more of the plurality of energy storage reservoirs to one or more of the power heads based on the charging demand of the one or more power heads.

The invention discloses a new energy automobile charging pile multi-dimensional data fusion monitoring and early warning method and system, and relates to the technical field of new energy automobile charging safety monitoring and control. The new energy vehicle charging pile multi-dimensional data fusion monitoring and early warning method comprises the following steps: S1, constructing a charging state original data set, and preprocessing the charging state original data set; s2, performing early warning grade division in combination with a disturbance trend analysis result and discriminator output; s3, a response control condition is matched according to the early warning level state; and S4, recording the operation structured data of the charging pile, constructing an event chain, and comparing the current and historical features to identify the coincidence degree. The problem that due to the complex operation working conditions of high-frequency plugging, large day and night temperature difference and heavy environmental dust of a new energy automobile charging pile in an urban fast charging station, an existing monitoring method cannot achieve multi-dimensional sensing and dynamic adjustment, and then abnormal early warning lags is caused is solved.

The invention discloses a fast charging station planning method based on urban dynamic traffic demand prediction and correction, and relates to the technical field of electric vehicle fast charging station planning, and the method comprises the steps: S1, constructing a traffic topology connection matrix according to urban road network topology, and recognizing traffic hub nodes and long-distance nodes as candidate nodes; s2, proposing three dynamic factors including social demands, user public praise and demand elasticity, and correcting the electric vehicle traffic demand prediction value of each path unit; s3, constructing a multi-target fast charging station capacity optimization model taking the minimum planning total cost and prediction error as targets, wherein the multi-target fast charging station capacity optimization model comprises fast charging station self constraints and power grid adaptation constraints; s4, solving the model by adopting a non-dominated genetic sorting algorithm to obtain a Pareto solution set, and selecting a planning result according to the demand of a decision maker; according to the method, the problems of blind site selection and static demand prediction in traditional planning are solved, economy and power grid safety are considered, planning scientificity and decision-making flexibility are improved, and supply and demand of charging resources can be effectively balanced.

An electric vehicle (EV) charging station for fast charging (e.g. 5 to 15 minutes) an electric vehicle (EV). The EV charging station can be configured to charge multiple EVs and multiple conventional vehicles at the same time. The EV charging station can include a power source, an electric reservoir receiving power from the power source, an AC to DC power converter for receiving AC power from the power source and converting the AC power to DC power for supplying DC power to the electric reservoir, an EV charger receiving DC power from the electric reservoir; and a first DC to DC converter receiving DC power from the electrical reservoir and converting the DC power to DC power suitable for charging the electrical vehicle.

The invention discloses an integrated charging method, system and equipment based on methanol fuel power generation, and belongs to the technical field of new energy automobile charging facilities. According to the scheme, the control system, the fuel storage and supply module, the methanol power generation module, the energy storage buffer module, the 40KW direct current quick charging module, the energy management unit, the mute box body and the like are highly integrated, so that the emergency quick charging service independent of a power grid is realized. The core innovation lies in that the energy management unit is adopted to dynamically coordinate power generation and charging requirements, comprehensive mute design and comprehensive safety protection are combined, and the problems that an existing fast charging station depends on a power grid, a traditional standby power supply is large in noise and high in pollution, hydrogen fuel facility cost is high, and the system integration degree is low are solved. The system has the advantages of being clean, efficient, low in noise and rapid in deployment, and the electric vehicle charging requirements of remote areas, weak power grid areas and emergency scenes can be met.

The invention belongs to the technical field of electrical system operation optimization and control, and discloses an online cooperative operation real-time control method for an electric vehicle quick charging station equipped with battery energy storage. The optimization model is subjected to space-time decoupling by establishing an online collaborative operation optimization model. In the off-line training stage, each quick charging station and battery energy storage train a value function in a dynamic planning algorithm based on historical data; in the online scheduling stage, each quick charging station and battery energy storage decide an optimal operation action based on current observation information, and information such as future charging load does not need to be predicted. The offline training process and the online decision-making process are both based on an analytic expression, a complex calculation process is not needed, the offline training process and the online decision-making process are both executed in a distributed mode, and the data privacy of each quick charging station and the expandability of an algorithm are guaranteed. A dynamic programming algorithm and a consistency algorithm are combined, and the online cooperative operation problem of a plurality of rapid charging stations with highly random charging loads is effectively solved.

The present application relates to the technical field of bus charging, in particular to a bus fast charging station orderly charging method based on a data-driven energy efficiency model; first, the power demand meeting the operation of a bus line is determined, and then a relationship between charging energy conversion efficiency and the actual charging power of a vehicle-mounted energy storage system is established; taking the minimum actual power consumption of the charging station in a day or the minimum actual electricity cost of the charging station in a day as an objective function, wherein the charging energy conversion efficiency is considered, a nonlinear optimization objective function model is established with the power demand of the electric bus line operation, the continuity of the electric bus charging time as constraint conditions, then the nonlinear optimization objective function model is converted into a mixed integer convex programming problem using piecewise linearization, and the optimal charging plan is obtained by solving the mixed integer convex programming problem; the present scheme can further improve the energy conversion efficiency of charging on the basis of traditional orderly charging, reduce the power consumption cost of the charging station operator and the charging cost of the electric bus, and improve the economy.

The invention discloses a fast charging station coordination control method considering an electric vehicle, and belongs to the field of stable operation of a direct current fast charging station, and the method comprises the steps: S1, building a topological structure of the fast charging station; s2, calculating the clearance and lack power; s3, dividing operation modes; s4, dividing the charge state of energy storage and an electric vehicle group; s5, the stored energy in each operation mode and the target compensation power of the electric vehicle are obtained; s6, whether the target compensation power needs to be optimized or not is judged, if yes, the step S7 is executed, and if not, the target compensation power obtained in the step S5 is output; and S7, determining the target compensation power of the energy storage and electric vehicle after optimization. By adopting the fast charging station coordination control method considering the electric vehicle, coordination control in different scenes is realized, the alternating current bus frequency and the direct current bus voltage are recovered to rated values, meanwhile, the charge state of energy storage can be balanced, and the stability of the bus voltage and frequency of the fast charging station is further improved.

The invention relates to a welding tool for construction of a quick charging station. The welding tool comprises a bearing table, a welding machine and a recycling tank. A support is arranged on the bearing table, the welding machine is placed on the bearing table, and the recycling tank is arranged on the bearing table. A pair of positioning frames is arranged at the edge of the front end of the bearing table; the lower part of the recovery tank is provided with a discharge channel, the lower half section of the recovery tank is internally provided with a treatment module, the edge position of the lower part of the recovery tank is in butt joint with a long channel, the upper part of the recovery tank is fixedly connected with a short channel, and the short channel is internally provided with a fan. According to the welding tool for construction of the rapid charging station, the treatment module, the atomization module, the regulation and control module and the wire stripping module which are integrated in the recovery tank work cooperatively, smoke generated by welding is blocked in batches, turbulent flow is generated, liquid beads are gathered, and pollution media are captured through structures such as a grating frame, a bifurcated dredging frame and an atomization ring, it is ensured that the smoke is efficiently treated, and the welding efficiency is improved. And environmental sanitation in the charging station is ensured.

A method is provided for charging a vehicle (10) with high-voltage components (11) at a fast-charging station (20). The method includes ascertaining a prevailing noise level around the vehicle (10) while operating noise (21) produced by the vehicle (10) itself during charging is suppressed. The method continues by determining a volume of the operating noise (21) that is tolerable for the driver (22) and bystanders (23) depending on the noise level and a measured distance of a vehicle key (24) from the vehicle (10). The method proceeds by cooling the high-voltage components (11) of the vehicle (10) that are heated by charging so that the operating noise (21) caused by the cooling is limited to the tolerable volume.

To provide an electric vehicle (EV) charging station for fast-charging an electric vehicle (EV) (e.g., charging in 5 to 15 minutes).SOLUTION: A fuel / electric station is an EV charging station to charge multiple EVs and multiple conventional fuel type vehicles at the same time, and comprises: a power source; an electrical service receiving power from the power source; a primary electric reservoir 26-1 receiving power from the electrical service; a secondary electric reservoir 26-2 receiving power from the primary electric reservoir; a tertiary electric reservoir 26-3 receiving power from the secondary electric reservoir; and an EV charger 12A receiving power from the tertiary electric reservoir.SELECTED DRAWING: Figure 16

The invention discloses a gas-liquid separation and liquid preparation control method and system for a two-phase immersion liquid cooling fast charging station, and relates to the technical field of two-phase cooling and heat management. The gas-liquid separation and liquid preparation control method and system for the two-phase immersion liquid cooling fast charging station comprises the following steps: S1, constructing a cooling flow data set, and preprocessing the cooling flow data set; s2, judging the dry state of steam output by the liquid phase removal structure; s3, identifying the deviation degree between the flow of each branch and the average flow; and S4, the load state reflected by the deviation adjustment result of the branch liquid preparation is combined. The problem that hot spots are difficult to restrain due to the phenomena that gas-liquid separation of a two-phase or liquid cooling loop is unstable and branch liquid distribution is unbalanced under constant-current and constant-voltage switching and rapid load fluctuation in a quick-charging multi-pile parallel structure is solved.

This solution addresses the drawbacks of large-scale fast-charging stations equipped with multiple fast-charging devices, such as the limitation of each fast-charging device only being able to charge at designated locations or being limited to a power output below that of each device. [Solution] By connecting the outputs of multiple fast chargers to their respective busbars and then connecting any two busbars to a single charging cable, double-speed charging is made possible.

The invention belongs to the technical field of vehicle network interaction, and relates to a super fast charging station scheme comparison and selection method under power grid capacity constraint, which comprises the following steps of: iteratively simulating a user arrival rule and a vehicle charging process of a super fast charging station by adopting a Monte Carlo method, and synthesizing a typical daily charging load curve of the station; based on the typical daily charging load curve, respectively establishing configuration measurement and calculation models of the transformer and the battery energy storage system under the various solutions, and determining power grid capacities under the various solutions through the configuration measurement and calculation models; based on the power grid capacity, a double-layer optimization model of the transformer and the battery energy storage system is constructed, and optimal configuration parameters of various solutions are solved through the double-layer optimization model; establishing a comparison and selection matrix based on the optimal configuration parameters, performing comprehensive comparison and selection on the two solutions coping with the power grid capacity constraint by adopting a normalization and weighted scoring method, and outputting a storage and charging optimal configuration scheme of the super fast charging station; and the deployment problem caused by power grid capacity limitation of the existing super fast charging station is solved.

The invention belongs to the field of power control, and relates to a dynamic load prediction-based super fast charging network adaptability regulation and control method and system, and the method comprises the steps: carrying out the fusion collection and preprocessing of multi-source heterogeneous data, and the multi-source heterogeneous data comprise internal and external data which affect the load of a super fast charging station; based on the preprocessed multi-source heterogeneous data, constructing and training a dynamic load prediction model, and performing load prediction; performing power grid real-time state sensing and power supply capability evaluation; generating a power grid regulation and control instruction set by taking multi-objective optimization as a core based on a load prediction result and a power supply capability evaluation result; issuing the power grid regulation and control instruction set to each charging pile and system, and converting the power grid regulation and control instruction set into specific equipment actions; and performing regulation and control efficiency evaluation and model adaptive optimization. The load change rule can be mastered, the power grid operation risk is effectively reduced, power resources are reasonably distributed, the charging efficiency is improved, and the overall operation level and economic benefits of the super fast charging network can be improved.

This application relates to a method, apparatus, computer equipment, computer-readable storage medium, and computer program product for estimating the energy metering error of fast charging stations. The method includes: acquiring charging order data from multiple fast charging stations; segmenting the charging order data into data segments and supplementing the information in the resulting segments; removing interfering data segments and performing stability screening on the data segments based on the corresponding battery pack energy density; constructing a reference charging station cluster based on the remaining data segments, and constructing a metering performance comparison chain based on the reference charging station cluster; and deriving the energy metering error of each fast charging station in the metering performance comparison chain based on the constant characteristic of battery pack energy density. This method can improve the detection efficiency of energy metering.

1. The name of the design product: DC charging pile (double gun). 2. The use of the design product: used for commercial complex, high-speed service station and other fast charging stations to charge vehicles. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a two-phase immersion liquid cooling fast charging station gas-liquid separation and liquid distribution control method and system, and relates to the technical field of two-phase cooling and thermal management. The two-phase immersion liquid cooling fast charging station gas-liquid separation and liquid distribution control method and system comprises the following steps: S1, constructing a cooling flow data set and preprocessing the cooling flow data set; S2, judging the dryness state of steam output by a liquid phase removal structure; S3, identifying the deviation degree between branch flow and average flow; and S4, combining the load state reflected by the deviation adjustment result of branch liquid distribution. The problems that hot spots are difficult to suppress due to the unstable gas-liquid separation and the uneven branch liquid distribution of two-phase or liquid cooling circuits in a fast charging multi-pile parallel structure under constant current and constant voltage switching and rapid load fluctuation are solved.

The invention discloses a deep reinforcement learning-based day-ahead operation optimization method for a power distribution network optical storage and charging integrated fast charging station, and the method comprises the steps: obtaining power grid side operation parameters, obtaining photovoltaic output prediction data, electric vehicle arrival rate time sequence data, a vehicle type proportion, and corresponding battery capacity and charging power parameters; the method comprises the following steps: generating a fast charge load scene, generating a photovoltaic output scene, carrying out scene reduction by combining the fast charge load scene and utilizing a clustering method, constructing a typical scene set and an occurrence probability thereof, constructing a day-ahead operation optimization model, and solving the day-ahead operation optimization model by taking the minimum expected operation cost as a target. And obtaining an exchange power reference value and an energy storage operation optimization strategy of the fast charging station and the power grid in the next day. According to the invention, coordination among the traffic flow, the power distribution network and the electric vehicle in the information asymmetric environment can be promoted, and the optical storage and charging fast charging station is helped to improve the operation economy and the power distribution safety based on the dynamic market condition.

Provided is an electric vehicle (EV) charging station for fast charging [e.g. 5 to 15 minutescharging an electric vehicle (EV). The EV charging station can be configured to charge multiple EVs and mul

A fast-charging station for electric vehicles includes a charger, an energy storage battery, fast-charging piles, a controller, and a display panel. The charger receives and converts alternating current utility power into direct current power for charging the energy storage battery. When the energy storage battery is fully charged, the energy storage battery can supply power to the fast-charging pile and then employs the fast-charging pile to quickly charge the electric vehicle. The controller can control the charging process of the fast-charging pile for the electric vehicle and detect the power information of the energy storage battery, the electric vehicle, and the fast-charging pile. The power information is displayed by the display panel. The fast-charging station for electric vehicles can be combined with existing power facilities without redistributing power or constructing power distribution facilities, reducing construction costs and promoting the popularization of fast-charging piles.

The application is suitable for the electric vehicle thermal management field, and provides a power battery pre-cooling closed-loop decision method and device for fast charging, which comprises the following steps: obtaining the state information of the vehicle, candidate fast charging station, power battery, environment, passenger cabin and thermal management system; determining the target fast charging station; predicting the SOC of the power battery at the station; solving the target pre-cooling temperature at the station according to the predicted arrival time, the SOC at the station, the candidate power battery temperature at the station, the fast charging time, the pre-cooling energy consumption and the comfort influence of the passenger cabin; generating the power battery temperature reference track according to the temperature, and tracking control is performed on the actuators such as compressors, cooling liquid pumps, fans and valves through the hierarchical controller; and the target fast charging station, the SOC at the station, the target pre-cooling temperature at the station and the control amount are updated according to the state change, and closed-loop re-planning is formed. The application can shorten the fast charging time, comprehensively optimize the fast charging benefit, the pre-cooling energy consumption and the comfort of the passenger cabin, and has good working condition adaptability.

This utility model discloses a mobile supercapacitor fast charging station device for unmanned mining equipment, relating to the field of mobile charging technology for mining equipment. The device includes support plates, a dust blowing mechanism, and a dust removal mechanism. Two sets of support plates are arranged directly above each set, with a charging compartment fixedly installed on top of the two support plates. A cleaning compartment is fixedly installed on the front outer surface of the charging compartment, also fixedly installed on top of the two support plates. Through the cooperation of the cleaning compartment, dust blowing mechanism, and dust removal mechanism, this mobile supercapacitor fast charging station device isolates the charging pile inside the charging compartment from the outside environment. Furthermore, it ensures that the unmanned mining equipment is cleaned within the cleaning compartment before entering the charging compartment, preventing dust contamination of the charging pile and improving the device's practicality.

A universal charging unit (100) is provided which can be deployed as a standard turnkey solution in dc fast charging stations operating off either three-phase or single-phase electric grids. The universal single-phase / three-phase charger functionally combines three-phase-to-dc and single phase-to-dc charging functions into a single, high power density unit. In both single-phase and three-phase configurations the universal charger operates at controllable power factor and feeds power into a dc bus, which is in turn interfaced with the battery system. While the unit operates as a conventional rectifier when in three-phase configuration, when deployed as single-phase charger the hardware not involved in the power factor correction process is reused and controlled as an active power decoupler (APD) to remove any line-frequency component from the dc bus current.

The application relates to a new energy automobile centralized quick charging station and relates to the technical field of new energy automobile charging. The application provides a new energy automobile centralized quick charging station, a storage mechanism is used to store the charging wire in an S-shaped mode in a storage cavity when the charging wire is not used, the charging wire is prevented from being exposed outside the shell to affect the service life of the charging wire, the charging wire is also prevented from being randomly scattered around the charging station to be mutually entangled, stacked and hidden to cause tripping of users, the storage mechanism can also realize quick winding and unwinding of the charging wire, when the left pressing plate and the right pressing plate press the pressing plate, a user can pull the charging wire by himself / herself, and during winding and unwinding of the charging wire, the charging wire is limited by the inverted U-shaped plate to prevent the charging wire from being deviated when being pulled.

A method for evaluating the dispatchable capacity of a photovoltaic-storage-charging integrated fast charging station that takes into account V2G technology includes the following steps: (1) collecting charging parameters, user demand parameters, power dispatch parameters, and charging station configuration parameters of electric vehicles; (2) establishing charging and discharging constraints for electric vehicles; (3) solving the thresholds for the adjustable capacity and adjustable capacity of a single electric vehicle, and then establishing a solution model for the dispatchable capacity of the electric vehicle cluster of the fast charging station; (4) determining the working mode and energy constraints of centralized energy storage, analyzing the energy relationship between the dispatchable capacity of electric vehicles, the dispatchable capacity of centralized energy storage, and photovoltaic power generation, and establishing a calculation model for the adjustable capacity and adjustable capacity of the photovoltaic-storage-charging integrated fast charging station; (5) combining the calculation model for the dispatchable capacity of the photovoltaic-storage-charging station, establishing a solution strategy for the daily dispatchable capacity of the charging station, and analyzing the impact of illumination conditions, load scenarios, dispatch time scale, and centralized energy storage configuration on the model solution.

The application discloses a multi-energy system quantitative state projection integral simulation method containing an electric hydrogen coupling fast charging station, belongs to the technical field of multi-energy system dynamic simulation and numerical integral, and comprises the following steps: establishing an overall dynamic simulation model of simultaneous power grid power flow, gas network pipeline transmission, fast charging station and fuel cell model; in the inner layer integral time, the integral step is calculated based on the third derivative of the system state variable, and the state discrete event and power grid power flow updating event are detected to accurately locate the event time; when the inner layer integral times reach the preset value, the outer layer performs large step projection extrapolation based on the recent state change trend, and the projection result is checked for events; through the alternating execution of the inner layer fine integral and the outer layer projection, the dynamic simulation of the multi-energy system containing the electric hydrogen coupling fast charging station is realized. The application effectively integrates the quantitative state system and the projection integral algorithm by using the above method, and improves the calculation efficiency of the dynamic simulation of the multi-energy system containing the electric hydrogen coupling fast charging station.

The invention provides a charging facility metering performance monitoring system based on simulation of various charging station scenes, and relates to the field of charging performance monitoring. The charging facility metering performance monitoring system comprises a scene simulation module, a data acquisition module, a metering performance monitoring module, a data analysis module and a man-machine interaction interface output module, and the scene simulation module comprises a climate simulation module, an electric power disturbance module and a charging load module. The climate simulation module can simulate the temperature ranging from-30 DEG C to 80 DEG C. Through the multi-scene simulation module, typical application scenes such as a city fast charging station, a high-speed service area charging station and a community slow charging station can be simulated, more than 95% of actual charging working conditions are covered, the problem that a traditional system is single in scene is solved, the actual charging scene of a new energy automobile is fitted to the maximum extent, and the charging efficiency is improved. And a large amount of data support is provided for research on the metering performance of the charging facility of the new energy automobile.

The application belongs to the technical field of new energy automobile charging facilities, and discloses a centralized quick charging station for new energy automobiles, which comprises a base serving as the base of the charging station, a protection frame fixedly installed above the base, a charging pile fixedly installed above the base, two charging guns respectively connected to the outer side of the charging pile through cables, and a placing cavity fixedly installed inside the charging pile; and the cable recovery assembly comprises a supporting plate, a driving wheel, a first driving mechanism, a second driving mechanism, a third driving mechanism, a counterweight structure and a heat dissipation structure, so that the driving wheel and the cable contact part are periodically and automatically replaced, the problems of permanent indentation, material fatigue and internal wire metal fatigue of the cable sheath caused by traditional fixed-point clamping are avoided, the wear and stress of the cable are evenly distributed on the entire circumference, and the service life of the cable is extended by several times.

The invention belongs to the technical field of new energy automobile charging facilities, and discloses a new energy automobile centralized quick charging station, which comprises a base, a charging device and a charging device, the protective frame is fixedly mounted above the base; the charging pile is fixedly mounted above the base; the number of the charging guns is two, and the charging guns are connected to the outer side of the charging pile through cables; the placing cavity is fixedly mounted in the charging pile; the cable recycling assembly comprises a supporting plate, a driving wheel, a first driving mechanism, a second driving mechanism, a third driving mechanism, a counterweight structure and a heat dissipation structure, and periodic automatic replacement of the contact part of the driving wheel and the cable is achieved; the problems of cable sheath permanent indentation, material fatigue, internal wire metal fatigue and the like caused by traditional fixed point clamping are avoided, so that abrasion and stress of the cable can be uniformly distributed on the whole circumference, and the service life of the cable is prolonged by several times.