3233 results about "Electrical energy storage" patented technology

The invention relates to the technical field of power supply devices, in particular to an energy-saving optimization method for an electric energy storage device, and the method comprises the steps: fusing a lithium ion battery solid-liquid phase change kinetic equation, a flow battery fluid mechanics equation and a flywheel rotor rigid-flexible coupling equation through a neural differential equation; constructing a dynamic meta-knowledge base containing cross-time scale nonlinear interaction features; performing dynamic parameter compensation on the polarization voltage hysteresis effect and the electrolyte flow resistance coupling effect by using a physical information neural network to generate a decoupled residual feature vector; according to the method, multi-physics field coupling modeling is achieved through the dynamic meta-knowledge base, and the energy efficiency optimization effect of the energy storage device is improved by combining the physical information neural network and the quantum optimization algorithm.

The invention relates to the technical field of electric energy storage systems, in particular to an energy storage power station operation monitoring management system and method. The method comprises the following steps: obtaining voltage data of each energy storage node in a standing state, and carrying out periodic voltage sampling within a preset standing time, thereby obtaining voltage springback time sequence data; performing temperature correction processing on the voltage springback time sequence data so as to obtain standardized voltage springback characteristic data; acquiring charge state data of each energy storage node before and after operation; calculating a charge-discharge depth change value of each node according to the charge state data; and constructing a node health state evaluation model according to the standardized voltage rebound characteristic data and the charge and discharge depth change value, and obtaining node aging differentiation parameters. According to the method, the node charging and discharging power allocation model is constructed based on the node aging differentiation parameters, differentiation management of energy storage nodes in different states is achieved, and the problem that the aging degree between the nodes is further expanded in a traditional method is solved.

An energy storage floor assembly for a motor vehicle having an electric drive includes an electrical energy storage device accommodated in a storage housing and arranged on the bottom side of a vehicle floor. At least one longitudinal beam is arranged within the storage housing. The front end of the longitudinal beam, viewed in the vehicle direction, is connected at least indirectly to a crossbeam component which is arranged in the region of a front-end structure and to which a front axle carrier is also attached. A load transfer element is installed between a rearward region of the front axle carrier and the front end of the longitudinal beam, which load transfer element has a front support region on the front end thereof and a rear support region on the rear end thereof. In an event of an accident-induced backward movement of the axle carrier as a result of a collision, the axle carrier can be supported on the front support region of the load transfer element, the rear support region of which can be supported at least indirectly on the longitudinal beam.

A fastening arrangement for a passenger motor vehicle includes an integral support fastened to longitudinal supports of a body of the passenger motor vehicle that are distanced from each other in a transverse direction of the passenger motor vehicle and are disposed above the integral support. An electrical energy store is disposed behind the integral support in a longitudinal direction of the passenger motor vehicle. The integral support has a step on an end that faces the electrical energy store where an upper support surface and a lower support surface are formed by the step. The upper support surface is disposed opposite a crossmember of the body in the longitudinal direction of the passenger motor vehicle and the lower support surface is disposed opposite a support element of the electrical energy store in the longitudinal direction of the passenger motor vehicle.

A modular rolling chassis assembly for an electric vehicle includes a central housing extending from a front end to a rear end to define a central cavity. An electric energy storage system (ESS) is disposed or housed in the central cavity. A front suspension module is connected to the front end of the central housing and a rear suspension module is connected to rear end of the central housing to complete a modular build for the rolling chassis assembly which improves on the large, heavy and cost intensive integral chassis associated with the prior skateboard architectures.

Disclosed is an autonomous vessel comprising a hydrodynamic pump that converts the energy of ocean waves into electrical power when the vessel is floating adjacent to an upper surface of an ocean, and utilizes a portion of the generated electrical power produced to charge an electrical energy storage device. The vessel may submerge itself, and then propel itself beneath the water's surface, after which it may return to the surface and resume its production of electrical energy and recharge its electrical energy storage device.

The invention provides a large-scale energy storage power station operation monitoring management system and management method, and relates to the technical field of electric energy storage systems. The model building module is used for training a battery health state model by utilizing historical data to obtain a current health coefficient; the data processing module analyzes the operating temperature of each single body and calculates a thermal equilibrium coefficient; the coefficient correction module evaluates the comprehensive health coefficient of the energy storage power station in combination with the environmental influence coefficient; the evaluation module calculates an income index according to the comprehensive health coefficient, the electricity price and the load demand, and comprehensively evaluates the economic benefit of the energy storage power station. According to the invention, through detailed monitoring and analysis, risks of battery aging and performance reduction are identified in time, the charging and discharging efficiency and the energy storage capability of the battery are improved, and more comprehensive income index evaluation is provided, so that a manager can know the economic benefit of the energy storage power station more accurately, and an optimal charging and discharging strategy is realized.

A work apparatus includes a tool, a drive motor for driving the tool, at least one handle for guiding the work apparatus during operation, at least one electric heater for the handle, an electric energy store which supplies the drive motor and the at least one heater with electric energy, and a control unit which is configured to control the electric power supplied to the at least one heater. It is provided that the work apparatus is configured to provide the maximum electric power made available to the at least one heater as a function of a charging state of the energy store. The control unit only switches the at least one heater on and off, and the heater in the switched-on state is operated directly with the voltage provided by the energy store.

A modular electrical Energy Storage System structure for powering an electric motor in a vehicle. The modular ESS structure includes two or more electrical energy storage modules, the modular ESS structure extending in a longitudinal direction, in a transverse direction and in a vertical direction, the longitudinal direction coinciding with a driving direction of the vehicle, the two or more electrical energy storage modules being arranged side-by-side in the transverse direction, in the longitudinal direction and / or in the vertical direction and being connected to each other structurally and electrically. The modular ESS structure comprises a first mounting interface comprising one or more first connecting members configured for mounting to a vehicle structure.

A computer system (100) of a vehicle (10) comprising processing circuitry (102) configured to: send a verification request message (M) to an electrical energy storage system (104) of the vehicle, receive a response message from the electrical energy storage system (104) that depends on the existence of a correct digital key (106) in a memory (108) of the electrical energy storage system (104); when the digital key (106) is correctly verified, allow electrical systems (110) of the vehicle to use the electrical energy storage system, when the digital key (106) cannot be correctly verified, limit the use of the electrical energy storage system (104) for the electrical systems (110) of the vehicle.

Systems and methods for cooling an electric energy storage device of an electric vehicle are described. In one example, a temperature of a traction battery is predicted and an opportunity assessment is generated, where the opportunity assessment is based on the temperature of the traction battery being predicted to exceed a threshold temperature, where the temperature of the traction battery is predicted prior to a traction battery DC fast charging event, and where the temperature of the traction battery based on time and a segment of a travel route.

The invention discloses an intelligent management method for a battery and a motor of an unmanned aerial vehicle, and relates to the field of intelligent system engineering, and the method comprises the steps: collecting and preprocessing flight data in real time, analyzing the data to predict the health state of the battery and the motor, determining whether to start energy recovery or not according to the health state, and storing electric energy generated by energy recovery into the battery. The use of the battery pack is optimized by applying a quantum algorithm, high energy efficiency is ensured, and an analysis report is generated after flight to assist in subsequent maintenance decision making. Through quantum calculation, accurate monitoring of the health states of the battery and the motor is realized, flight faults are effectively prevented, and the system reliability is improved. The quantum algorithm optimizes the battery management strategy, prolongs the service life of the battery, and enhances the energy management efficiency.

The utility model relates to the technical field of new energy charging piles, and discloses a light storage and charging integrated new energy charging pile which comprises a charging pile body, a top plate is fixedly installed on the top of the charging pile body, a supporting rod is fixedly installed on the top of the top plate, and a cover plate is fixedly installed on the top of the supporting rod. According to the light storage and charging integrated new energy charging pile, the opening and retracting assembly is arranged, after the opening and retracting assembly is used, under mutual matched transmission of a gear, an inner gear ring and a rack, after a servo motor is started, a plurality of photovoltaic panels are driven to move towards the center of the bottom of a cover plate, and the photovoltaic panels can be blocked by the cover plate after moving; according to the charging pile, the photovoltaic panels are prevented from being damaged by severe weather such as accumulated snow and hail, the service life of the photovoltaic panels is prolonged, and in addition, the multiple photovoltaic panels can be driven to move towards the outer side of the cover plate, extend out of the cover plate, receive sunlight and convert solar energy into electric energy to be stored in the charging pile body.

The present invention relates to an electric energy storage (10) for a motor vehicle. A plurality of battery module groups (14) each comprise a plurality of battery modules (20) each of a plurality of battery cells. A plurality of containers (12) are stacked and each comprise a substantially frame-shaped container outer wall (18), wherein one of the plurality of battery module groups (14) is arranged in each of the plurality of containers (12). A plurality of fastening elements (16), which are elongated, extend through the container outer walls (18) of the plurality of containers (12) and fasten the containers (12) to one another. The elongated fastening elements (16) passing through all the containers (12) are advantageous in that they enable a modular, freely scalable design of the electric energy storage (10) with a free geometric configuration, low weight and costs, as well as simple, quick assembly and disassembly.

A solar mosquito killer lamp includes a light emitted by the LED tube in the first light-emitting unit lures mosquitoes. The lured mosquitoes are killed through a high-voltage power grid. A battery and a circuit board arranged in a mounting shell supply power to the LED tube and the high-voltage power grid. Furthermore, a solar panel module electrically connected to the battery and the circuit board is provided, and can convert sunlight into electric energy and store the electric energy into the battery. Due to the solar panel module, compared with a mosquito killer lamp that only includes a single-layer solar panel, the mosquito killer lamp with the solar panel module enlarges an area of the solar panel, thereby improving the solar energy conversion efficiency. Therefore, the mosquito killer lamp can fully use the sunlight to achieve charging during outdoor use and is conductive to reducing the energy consumption.

The invention discloses an energy efficiency improving method and device for a slope type gravity energy storage system, and relates to the technical field of electric energy storage systems. The method and device for improving the energy efficiency of the slope type gravity energy storage system comprise the following steps that S1, energy storage operation data are obtained through multi-source sensor fusion, and data cleaning and normalization processing are conducted on the energy storage operation data; s2, extracting a multi-dimensional state factor, carrying out quantitative evaluation on the operation state of the energy storage unit, constructing a state grading mechanism based on an evaluation result, and generating an operation state label; s3, calling a running state label to screen candidate units, constructing a scheduling priority ranking index, and dynamically allocating tasks and adjusting an execution sequence according to the index; and S4, analyzing structural wear and energy consumption load characteristics, establishing a scheduling correction mechanism, and dynamically adjusting a scheduling priority ranking index. The problem that the scheduling self-adaption cannot be realized according to the load, loss and wear difference of each unit in the parallel operation process of a plurality of energy storage units is solved.

A solar mosquito killer lamp includes a light emitted by the LED tube in the first light-emitting unit lures mosquitoes. The lured mosquitoes are killed through a high-voltage power grid. A battery and a circuit board arranged in a mounting shell supply power to the LED tube and the high-voltage power grid. Furthermore, a solar panel module electrically connected to the battery and the circuit board is provided, and can convert sunlight into electric energy and store the electric energy into the battery. Due to the solar panel module, compared with a mosquito killer lamp that only includes a single-layer solar panel, the mosquito killer lamp with the solar panel module enlarges an area of the solar panel, thereby improving the solar energy conversion efficiency. Therefore, the mosquito killer lamp can fully use the sunlight to achieve charging during outdoor use and is conductive to reducing the energy consumption.

The invention relates to the technical field of electric energy storage systems, in particular to a mathematical model-based vehicle-mounted charger component parameter optimization method and system. The method comprises the following steps: performing multi-physical field joint modeling according to a vehicle-mounted charger switching device to obtain a vehicle-mounted charger component simulation model; performing dynamic sensitivity analysis according to the vehicle-mounted charger component simulation model to obtain dynamic sensitivity matrix data; performing layered MINLP solution on the dynamic sensitivity matrix data to obtain battery impedance change curve data; and on-line parameter reconstruction is carried out according to the battery impedance change curve data to obtain vehicle-mounted charger component parameter optimization data. The adaptive capacity of the system to different working conditions is enhanced while the charging efficiency is improved, and the overall performance, stability and reliability of the vehicle-mounted charger are remarkably improved.

An electrical power apparatus for coupling between an electrical power supply and one or more electrical power loads includes: a plurality of dynamically dispatchable electrical energy storage components providing at least one of dynamically dispatchable energy storage thereto and energy retrieval therefrom; and a controller to dynamically control the operation of the one or more dynamically dispatchable energy storage components in order to dynamically match the electrical power supply to the one or more loads by dynamically storing energy in one or more of the dynamically dispatchable electrical energy storage components when the available electric power exceeds that required by the one or more loads, and / or dynamically supplying electrical energy from one or more of the dynamically dispatchable electrical energy storage components when the available electric power is less than that required by the one or more loads.

The invention provides an electric energy storage system, a graphene / carbon nanotube composite material, a capacitor, a secondary battery, a preparation method and an application. The electric energy storage system comprises a capacitor, the capacitor comprises a positive plate, the positive plate comprises a graphene / carbon nanotube composite material, the graphene / carbon nanotube composite material comprises a three-dimensional network skeleton, the three-dimensional network skeleton comprises a carbon matrix and doping elements, the carbon matrix is formed by compounding graphene and a carbon nanotube, and the doping elements are doped with the carbon matrix. The doping elements comprise a nitrogen element and a sulfur element, and holes are formed in the surface of the three-dimensional network framework. The electric energy storage system has excellent electrochemical performance, can release high energy density under high power density, and is long in cycle life.

The invention discloses a driving control method, device and equipment of a hybrid electric vehicle, a storage medium and a product, and belongs to the technical field of vehicles. Comprising the steps that a battery and a cab of the hybrid electric vehicle are heated through an air conditioner; under the condition that the battery cell temperature is lower than a second preset temperature, based on the battery cell temperature, determining a target rotating speed value matched with the battery cell temperature; the rotating speed value of the engine is controlled to be the target rotating speed value; the actual driving power of a driving motor of the hybrid electric vehicle is determined based on the opening degree of the accelerator pedal; based on the actual driving power of the driving motor, first available power of a generator of the hybrid vehicle is determined, the generator is controlled to generate power based on the first available power, and electric energy generated by the generator is stored in a battery; and determining the actual generated power of the generator, determining the second available power of the driving motor based on the actual generated power of the generator, and outputting the second available power to the driving motor, so that the driving motor drives the hybrid vehicle to run based on the second available power.

The invention relates to the technical field of kinetic energy recovery, and particularly discloses a high-voltage cable vibration energy collection device, which comprises a high-voltage cable, the mounting part comprises a ring sleeve which sleeves the high-voltage cable and a vibration component which is used for fixedly mounting the ring sleeve on the high-voltage cable; the mechanical acting part is arranged between the high-voltage cable and the mounting part and is used for generating amplitude under the action of wind power by means of the high-voltage cable and driving the mechanical acting part to impact to generate energy; the conversion part is mounted at the bottom of the mounting part and is used for converting and storing the energy generated by the mechanical acting part; according to the invention, the high-voltage cable vibrates in the wind to drive the impact ball to hit the piezoelectric assembly so as to generate energy, and the energy is converted into electric energy by the conversion part to be stored, so that energy supply is provided for monitoring equipment for monitoring the high-voltage cable, the power utilization of the monitoring equipment is ensured permanently, manual battery replacement is not needed, and the problem that the battery of a high-voltage line is difficult to replace is solved.

The invention discloses an integrated energy storage system and a control method, the integrated energy storage system comprises a battery management system, an energy management system and an energy storage converter, the energy management system generates a charging and discharging control signal to the energy storage converter according to battery information of an energy storage battery acquired by the battery management system and a received charging and discharging instruction; and the energy storage converter is controlled through the charging and discharging control signal, so that the energy storage converter transmits the electric energy stored by the energy storage battery to a power grid or stores the electric energy in the power grid into the energy storage battery, namely, charging and discharging between the energy storage battery and the power grid are realized. Visibly, the battery management system, the energy management system and the energy storage converter are integrated, the battery management system and the energy storage converter only need to communicate with the energy management system, and the energy management system performs centralized management on the battery management system and the energy storage converter; and the system can be put into use without connecting and testing each part, so that the charging and discharging efficiency of the energy storage system is improved.

The invention relates to the technical field of energy storage, in particular to a seismic station energy storage system based on a decommissioned vehicle-mounted power battery, which comprises a decommissioned battery module, an energy management module, an energy conversion module, an electric energy storage module, a fault early warning module and a user interface module, wherein the retired battery module is used for collecting a plurality of retired vehicle-mounted power batteries and integrating the retired vehicle-mounted power batteries by adopting series-parallel combination; the energy management module is used for monitoring the retired battery module in real time; the energy conversion module is used for converting the direct current into alternating current; the electric energy storage module is used for storing redundant electric energy; the fault early warning module is used for analyzing potential fault risks; and the user interface module is used for displaying the state information of each module. According to the invention, through efficient battery integration, real-time state monitoring and intelligent energy management, the stability and safety of the power supply are improved, the service life of the battery is effectively prolonged, and maximum utilization of resources is realized.

The invention relates to a thermally controlled electrical energy storage device comprising several electrical cells having at least three sides, a slice, a cathode, and an anode located on one or two sides. The device includes a first heat exchange device comprising a heat pipe in heat exchange with the cells and a cold source of at least a second heat exchange device. The heat pipe has a body incorporating channels containing a heat transfer fluid and having a vaporization portion of the heat transfer fluid, a condensation portion located higher than the vaporization portion, and a curved portion between the vaporization and condensation portions. The slice of each cell is located along the vaporization and condensation portions of the channels, with the cathode and / or anode of each cell located opposite the vaporization or condensation portion of the channels.Figure for the summary: Fig. 2.

Title of the invention: Gas discharge device for a motor vehicle battery pack The invention relates to a motor vehicle battery pack (2) comprising a casing (4), which is configured to house electrical energy storage modules, and at least one cover (8) able to cover said casing (4), the at least one cover (8) comprising an inner face (10) positioned facing the casing (4), the battery pack (2) comprising at least one seal (14) arranged between the inner face (10) of the cover (8) and the casing (4), the at least one seal (14) and / or the casing (4) and / or the cover (8) being configured to form at least one weakened area (18) of the seal that is dimensioned to allow discharge of gases under a predetermined pressure or temperature of these gases.

An assembly has a multilevel converter for outputting reactive power to a power supply network. The multilevel converter contains three module branches arranged in a delta circuit. Each module branch contains a plurality of submodules in an electrical series circuit. Each module branch contains a first group of the submodules and a second group of the submodules. The submodules of the first group each contain a first electrical energy storage unit, a first electronic switching element and a second electronic switching element. The first electronic switching element and the second electronic switching element are arranged so that the first electrical energy storage unit is connected into the series circuit at a first polarity.

Device for supplying electric power to at least one electrical energy-consuming unit or to at least one electrical energy-supplying unit or to at least one electrical energy-consuming and -supplying unit of an electrical installation, the device including a plurality of electrical energy generators, each generator of the plurality being connected electrically in parallel with the other generators, each generator including a computing unit, a power converter and an electrical energy storage and supply element, the power converter of a generator being bidirectional and configured so as to supervise a value of a setting variable on the basis of an electric charging or discharging power of the storage element of said generator, the electric charging or discharging power being calculated in real time by the computing unit on the basis: —of a function of the values of the setting variables of the electric charging or discharging power of each of the storage and supply elements of the other generators; and —of a determined setpoint power; and —of a number of generators that are in a determined operating state, the sum of the electric charging or discharging powers of each storage element of each generator of the plurality being equal to the determined setpoint electric power.

The invention discloses a power supply method, a power supply system and a cabinet, the method is applied to the power supply system, the power supply system comprises a PSU and an explosion power supply module, both the PSU and the explosion power supply module are connected with a bus of the cabinet, and the method comprises the following steps: detecting the state of the cabinet where the power supply system is located; and when the state shows that the cabinet has a transient power supply event, triggering the PSU and the explosion power supply module to supply power to the cabinet in a coordinated manner according to a transient power supply demand. The explosion power supply module is additionally arranged in the power supply system in the cabinet, and when the PSU supplies power to the cabinet at constant power, the explosion power supply module connected with the bus can obtain electric energy and store the electric energy. When a transient power supply event occurs in the cabinet, the explosion power supply module quickly supplements the electric energy required by the cabinet to supply power to the cabinet, so that the transient power supply requirement of the cabinet is met. Therefore, the power supply reliability of the cabinet when the transient power supply event occurs in the cabinet is improved.