117 results about "Hydrogen vehicle" patented technology

The present application relates to a multi-objective scheduling method and apparatus for an urban power grid, a computer device, a storage medium, and a computer program product. The method comprises: connecting hydrogen energy vehicles to an original urban power grid operation system to obtain an updated urban power grid operation system; determining an electrical-hydrogen coupling unit from the updated urban power grid operation system; establishing a corresponding mathematical model for each subunit in the electrical-hydrogen coupling unit; determining a first objective function on the basis of operation cost parameters of respective modules of the updated urban power grid operation system, determining a second objective function on the basis of energy supply parameters of each subunit of the electrical-hydrogen coupling unit, and generating a multi-objective optimization and scheduling model on the basis of the first objective function and the second objective function; and solving the multi-objective optimization and scheduling model to obtain a target scheduling strategy.

The invention relates to the technical field of hydrogen energy automobiles, in particular to a method for establishing a hydrogen leakage prediction model of a hydrogen energy automobile. According to the method, training, verification and test data sets are obtained through multi-modal data fusion and screening based on physical significance on source data fusing CFD simulation data and actually measured leakage data, multi-dimensional information is extracted from training data, time domain, frequency domain and physical field feature matrixes are obtained, a time sequence coding layer and a physical decision layer are constructed on the basis, and the time sequence coding layer and the physical decision layer are constructed. Therefore, fluid mechanics is integrated into a model structure, the model can explain and make decisions according to physical laws, the problem that fault attribution analysis conforming to the physical laws cannot be provided in the prior art is solved, a hybrid architecture model integrating data driving and physical constraint is constructed based on a two-layer structure, data set optimization is verified, and a test data set is adjusted. And finally, a hydrogen leakage monitoring model with high-precision prediction capability and reliable physical interpretability is established.

A hydrogen vehicle includes a depressurizing regulator configured to reduce the pressure of hydrogen introduced therein, a push bar connected to the depressurizing regulator and configured to reciprocate during the depressurizing process of the depressurizing regulator, a compression device configured to generate a compressed fluid by being operated by the reciprocating motion of the push bar, and a sensor cleaning system configured to receive the compressed fluid and spray the compressed fluid to an environment sensor.

The invention discloses a regional electricity-hydrogen automobile coupling traffic flow optimization scheduling method and system, and relates to the technical field of power system optimization scheduling. The method comprises the following steps: receiving road network topology distribution and comprehensive energy supplement facility distribution in a delimited region; according to the road network topology distribution and the comprehensive energy complementing facility distribution, travel OD pairs of the electric vehicle and hydrogen power vehicle users are obtained; according to the automobile characteristics of the electric automobile and the hydrogen-powered automobile, the lowest-cost travel path of the electric automobile and the hydrogen-powered automobile is planned; and according to the lowest-cost travel paths of the electric vehicle and the hydrogen-powered vehicle, performing traffic flow division on the travel OD pairs of the vehicle users of the electric vehicle and the hydrogen-powered vehicle by using a user equalization algorithm to obtain optimal traffic flow distribution.

The present invention discloses a pre-charging and discharging system for hydrogen energy vehicles and a method for charging and reducing high voltage. The high-voltage auxiliary power supply, the first pre-charging circuit and the motor controller of the present invention are connected in series to form a closed circuit, the fuel-electric boost FCDC is connected in parallel at both ends of the high-voltage auxiliary power supply, and the voltage reduction DCL is connected in parallel at both ends of the motor controller; the second pre-charging circuit, the fuel-electric air compressor controller and the high-voltage components are connected in series in sequence to form a branch circuit, and the branch circuit is connected in parallel at both ends of the high-voltage auxiliary power supply; the warm air PTC is connected in parallel at both ends of the high-voltage auxiliary power supply; the fuel-electric PTC is connected in parallel at both ends of the high-voltage auxiliary power supply. In the present invention, when the fuel-electric air compressor controller and the high-voltage components do not have an active discharge function, the warm air PTC or the fuel-electric PTC of the whole vehicle is used for discharge, shortening the high-voltage discharge time of the supporting capacitor, allowing the whole vehicle drive motor to first perform high-voltage power reduction without waiting for the purge process of the fuel cell system, and pre-charging is performed separately.

A hydrogen refueling station including a first and a second dispensing module having first and second dispensing pressure detection means, where supply lines are fluidly connecting a storage module to an inlet compressor line and a compressor outlet line is fluidly connecting an outlet of the compressor to a dispensing line and thereby to the first and / or second dispensing module via output compressor valves, cascade lines are fluidly connecting the hydrogen storage module and the dispenser modules thereby configured for bypassing the compressor, where a controller is configured for controlling valves and thereby a fluid path from the hydrogen storage module to the dispensing modules, the controller is configured for controlling a bypass valve based on feedback from pressure detection means, from a first dispensing pressure detection means or from a second dispensing pressure detection means to establish a required pressure in the compressor outlet line.

The embodiment of the invention provides a battery SOC estimation method, device and equipment and a medium, relates to the technical field of batteries, and can be applied to the related fields of various new energy vehicles such as electric vehicles, hybrid vehicles and hydrogen energy vehicles. The method comprises the steps of determining a real-time current corresponding to a target battery based on a sampling error of a battery sensor configured by the target battery and a sampling current acquired by the battery sensor; inputting the real-time current into an ampere-hour integral algorithm, and outputting an SOC estimated value of the target battery; and inputting a predetermined SOC, an open-circuit voltage conversion relational expression based on temperature compensation and an SOC estimated value into an adaptive extended Kalman filtering algorithm, and outputting an estimated value of the battery SOC. According to the method, the problem of insufficient accuracy of the SOC estimation value of the vehicle battery in the related technology is effectively solved.

The invention discloses an electric hydrogen vehicle system optimization scheduling method for service electric power supply guarantee, and the method comprises the steps: S1, building an interaction network of a power grid system-hydrogen energy system-hydrogen energy vehicle system based on system dynamics, and carrying out the quantitative analysis of a dynamic feedback mechanism of electric power supply and demand fluctuation, hydrogen energy supply demands and a traffic behavior mode; the power grid system comprises a power grid module, the hydrogen energy system comprises a hydrogen energy module, and the hydrogen energy vehicle system comprises a hydrogen energy vehicle module; s2, embedding the power grid module into the upper-layer time model, embedding the hydrogen energy module into the lower-layer space model, and constructing a space-time double-layer scheduling model comprising the upper-layer time model and the lower-layer space model; and S3, coupling the power grid module with the traffic network, operating the space-time double-layer scheduling model, and coordinating operation among the power grid system, the hydrogen energy system and the hydrogen energy vehicle system through multiple times of loop iteration of the upper-layer time model and the lower-layer space model. According to the invention, under the extreme high temperature scene, the electric hydrogen energy flow can be optimized to improve the power supply protection capability and the toughness of the power distribution network.

An information terminal control method according to the present disclosure causes at least one hydrogen station to display information indicating the quantity of an environmental value token to be provided to a user who refuels a hydrogen vehicle.

The invention relates to an aerogel fiber composite felt and application thereof, and belongs to the technical field of thermal insulation materials. The aerogel fiber composite felt comprises an aerogel fiber felt matrix and a hydrogen absorption material dispersed in the aerogel fiber felt matrix, the aerogel fiber felt matrix mainly comprises aerogel fibers and a fiber reinforced material, and the mass ratio of the fiber reinforced material to the aerogel fibers is (0-99): (1-100). The hydrogen absorption material capable of adsorbing and storing hydrogen is dispersed in the aerogel fiber felt matrix of the aerogel fiber composite felt, so that the aerogel fiber composite felt has good fireproof and heat-insulating effects when being used for protecting a hydrogen energy automobile, and can capture hydrogen dispersed in the aerogel fiber composite felt in a power system; therefore, dual protection of the hydrogen energy automobile is achieved.

The present application relates to a hydrogenation network node site selection method and service platform based on hydrogen source diversity, the method comprising: determining the planned number of oil and hydrogen stations to be sited in a target area and hydrogen vehicle traffic flow parameters on a plurality of target driving routes, generating corresponding first site selection decision information based on the planned number and the hydrogen vehicle traffic flow parameters; after receiving the hydrogenation decision information currently corresponding to each target driving route, updating the first site selection decision information using a preset genetic algorithm and the hydrogenation decision information to generate corresponding second site selection decision information, the hydrogenation decision information being solved using a solver based on a first objective function and the first site selection decision information; iterating the second site selection decision information based on the fitness of the second site selection decision information calculated based on the second objective function using a genetic algorithm and the corresponding hydrogenation decision information until the target site selection decision information is obtained, and determining a site selection result based on the target site selection decision information.

The invention provides a hydrogen and methanol gas mixed supply device, and belongs to the technical field of hydrogen mixing equipment.The hydrogen and methanol gas mixed supply device comprises a methanol box, one side of the methanol box is connected with a gasification assembly, the methanol box is connected with a mixer through the gasification assembly, one side of the mixer is provided with a hydrogen cylinder, and the other side of the mixer is provided with a gas outlet. The hydrogen cylinder is connected with the mixer, and one side of the mixer is connected with a range extender. The technical problem that the driving range of a current hydrogen vehicle is short is solved.

A communication method for hydrogen fueling, performed by a dispenser, comprises the steps of: identifying a communication protocol supported by a hydrogen fueled mobility and a communication protocol supported by a dispenser, based on a communication sequence performed by the hydrogen fueled mobility and information transferred by means of the communication sequence; and determining a communication protocol to be performed between the hydrogen fueled mobility and the dispenser, based on the communication protocol supported by the hydrogen fueled mobility and the communication protocol supported by the dispenser.

The invention relates to a thermoelectric hydrogen coupling system applied to a charging station and a control method thereof.The system comprises a power supply subsystem, a thermal interaction subsystem, a hydrogen energy storage subsystem and an energy charging subsystem, and the power supply subsystem is used for generating electric energy to meet the load requirement of the charging station; the thermal interaction subsystem is used for absorbing heat energy and completing heat exchange so as to provide a thermal reactant to the hydrogen energy storage subsystem; the hydrogen energy storage subsystem is used for realizing conversion between electric energy and hydrogen energy and storing generated hydrogen; the energy charging subsystem is used for providing electric energy for the electric automobile and providing hydrogen energy for the hydrogen energy automobile. According to the control method, the operation mode of the charging station and the working mode of the solid oxide equipment are adjusted according to different supply and demand conditions by detecting the photovoltaic generating capacity, the load demand quantity and the hydrogen storage quantity in the hydrogen storage tank in real time. Compared with the prior art, the requirements for electric energy and hydrogen in the charging station are met through electricity-hydrogen coupling, and meanwhile the energy utilization rate of the charging station is increased through heat energy.

The invention relates to the technical field of manufacturing of fuel cell stack accessories of hydrogen energy vehicles, in particular to a hydrogen energy fuel cell air and fuel manifold machining device which comprises a machine tool provided with a tool bit used for machining hydrogen energy fuel cell air and fuel manifolds. A tool used for fixing the hydrogen energy fuel cell air and the fuel manifold is further arranged on the machine tool, the tool comprises a pre-positioning device, the pre-positioning device comprises a supporting frame, a first profiling part matched with the middle position of the hydrogen energy fuel cell air and the fuel manifold is arranged on the supporting frame, and a second profiling part matched with the middle position of the fuel manifold is arranged on the first profiling part. After the hydrogen energy fuel cell air and fuel manifold is fixed to the supporting frame, a to-be-machined part is exposed, due to the fact that the weight of the hydrogen energy fuel cell air and fuel manifold is heavy, the hydrogen energy fuel cell air and fuel manifold is pre-positioned through the pre-positioning device after being placed on the tool, then position and angle adjustment is conducted, and the hydrogen energy fuel cell air and fuel manifold is pressed through the pressing device after adjustment is completed. And then milling is carried out, so that the product quality is ensured.

A sensor cleaning system for a hydrogen vehicle includes hydrogen as fuel and includes a compression device configured to operate by a flow of the hydrogen, and one or more nozzles configured to spray a compressed fluid generated by the compression device onto a sensor.

The present invention relates to the field of hydrogen energy vehicle thermal management technology, and specifically to a hydrogen fuel cell electric vehicle thermal management system, control method and vehicle. The hydrogen fuel cell electric vehicle thermal management system includes: a fuel cell cooling circuit, an air conditioning heating circuit, a power battery temperature control circuit, an air conditioning refrigeration circuit, a motor heat dissipation pipeline and a motor and accessory temperature control pipeline; the fuel cell cooling circuit, the air conditioning heating circuit and the power battery temperature control circuit are connected by a five-way valve, and heat exchange can be performed between two or three of them; the power battery temperature control circuit, the motor heat dissipation pipeline and the motor and accessory temperature control pipeline are connected by a six-way valve, and heat exchange can be performed between two or two of them. It can solve the problem in the prior art that the fuel cell thermal management, the power battery thermal management, the motor and high-voltage electric accessory thermal management and the cab air conditioning all work independently, resulting in heat waste.

The application relates to the technical field of hydrogen energy operation, in particular to a hydrogen transportation vehicle intelligent scheduling method and device, wherein the method comprises the following steps: obtaining hydrogen filling tasks of any hydrogen production plant and / or hydrogen unloading tasks of any hydrogen refueling station; identifying position information and hydrogen storage capacity of each hydrogen production plant in the hydrogen filling tasks, matching target hydrogen transportation vehicles meeting preset conditions in a hydrogen transportation vehicle list, and dispatching the target hydrogen transportation vehicles to execute the hydrogen filling tasks of the corresponding hydrogen production plants; recalling all dispatchable hydrogen transportation vehicles in the hydrogen transportation vehicle list according to the hydrogen unloading tasks, identifying position information and hydrogen demand of each hydrogen refueling station in the hydrogen unloading tasks, calculating matching grades of each dispatchable hydrogen transportation vehicle, and dispatching the best matching combination of the dispatchable hydrogen transportation vehicles in each hydrogen refueling station to execute the hydrogen unloading tasks of the corresponding hydrogen refueling stations. Therefore, the method solves the problems of low operation efficiency and high cost in the related art, which needs to integrate and manage big data of all links of hydrogen production, hydrogen transportation, hydrogen refueling and hydrogen use.

The present invention discloses a hydrogen energy vehicle fuel-electric boost FCDC active discharge circuit and a discharge method thereof. The high-voltage auxiliary power supply, the first pre-charging circuit and the motor controller of the present invention are connected in series to form a closed circuit, the fuel-electric boost FCDC is connected in parallel at both ends of the high-voltage auxiliary power supply, and the step-down DCL is connected in parallel at both ends of the motor controller; the second pre-charging circuit, the fuel-electric air compressor controller and the high-voltage components are connected in series in sequence to form a branch, and the branch is connected in parallel at both ends of the high-voltage auxiliary power supply; the output end of the high-voltage auxiliary power supply is provided with a switch K4; the fuel-electric boost FCDC includes a fuel-electric boost capacitor, a diode and a discharge resistor, the fuel-electric boost capacitor and the diode are connected in series, and the discharge resistor is connected in parallel at both ends of the fuel-electric boost capacitor and the diode through a switch K5. The present invention uses the active discharge control circuit of the fuel-electric boost FCDC to help the fuel-electric air compressor controller and its high-voltage components complete active discharge, shortening the high-voltage discharge time of the supporting capacitor.

A sensor cleaning system for a hydrogen vehicle includes hydrogen as fuel and includes a compression device configured to operate by a flow of the hydrogen, and one or more nozzles configured to spray a compressed fluid generated by the compression device onto a sensor.

The invention relates to a high-performance magnesium-based composite hydrogen storage material and a preparation method and application thereof.The main phase of the high-performance MgH2-x wt% Mo2V2C3 magnesium-based composite hydrogen storage material is MgH2 powder, Mo2V2C3 is a novel two-dimensional MXene material, has an obvious accordion-shaped structure and is obtained through hydrofluoric acid etching, the main phase MgH2 powder and the Mo2V2C3 powder are evenly mixed through a ball milling method, and then the high-performance magnesium-based composite hydrogen storage material is obtained. The initial hydrogen desorption temperature is as low as 180 DEG C, the hydrogen desorption activation energy is as low as 87.7 kJ / mol <-1 >, hydrogen can be rapidly absorbed from the room temperature, the hydrogen absorption / desorption dynamic performance and the cycle stability performance are obviously superior to those of pure MgH2, and the method has important significance in the aspects of developing room-temperature hydrogen storage technologies such as hydrogen energy automobiles and improving the utilization efficiency of hydrogen energy.

The utility model relates to the field of bicycles, in particular to a pipe external member structure for a hydrogen power vehicle. The utility model provides a pipe sleeve structure for a hydrogen power vehicle, which can ensure that an upper cover is connected to a cabin for use every time the upper cover is opened and closed, is simple to operate, does not need to move away the upper cover, is convenient to replace a hydrogen bottle, improves the working efficiency, prevents the upper cover from being lost, and is convenient and quick to use. A pipe suite structure for a hydrogen power vehicle comprises a cabin body pipe, an upper cover, a cabin cover hinge and the like, and the upper cover is connected to the upper right portion of the cabin body pipe through the cabin cover hinge. The upper cover is rotated to be opened, the hatch cover hinge is rotated, then the upper supporting plate is taken down, then the hydrogen bottle is taken out to be replaced, then the hydrogen bottle is installed again, and the upper cover is locked, so that it can be ensured that the upper cover is connected to the cabin body to be used every time the upper cover is opened and closed, operation is easy, the upper cover does not need to be moved away, and use is convenient. The working efficiency is improved, the upper cover is prevented from being lost, and the use is convenient and fast.

A communication method for hydrogen fueling, performed by a dispenser, comprises the steps of: identifying a communication protocol supported by a hydrogen fueled mobility and a communication protocol supported by a dispenser, based on a communication sequence performed by the hydrogen fueled mobility and information transferred by means of the communication sequence; and determining a communication protocol to be performed between the hydrogen fueled mobility and the dispenser, based on the communication protocol supported by the hydrogen fueled mobility and the communication protocol supported by the dispenser.

The invention relates to a cascade hydrogen distribution method for a hydrogen vehicle refueling station, characterized in that the method comprises the following successive steps: a) filling a second hydrogen tank and a third hydrogen tank from a volume of hydrogen generated by a hydrogen generator positioned near the second or third tank; the second hydrogen tank is completely filled before the third hydrogen tank is filled; b) filling a hydrogen vehicle tank with said second or third hydrogen tank. Figure for the abstract: Fig. 2

The invention relates to the technical field of hydrogen energy vehicles, and discloses a hydrogen storage cylinder and composite frame collaborative bearing structure which comprises a frame and a gas cylinder, the frame comprises an upper shell and a lower shell, and hydrogen storage spaces are formed in the opposite sides of the upper shell and the lower shell. According to the cooperative bearing structure of the hydrogen storage cylinder and the composite material frame, through special design, a flexible force transmission path of the hydrogen storage cylinder and the composite material frame is established, meanwhile, the expansion characteristic of the gas cylinder during inflation and deflation is adapted, and the problems that in the prior art, the hydrogen storage cylinder of a conventional hydrogen fuel cell heavy truck is fixed through a strap and is only used for preventing the gas cylinder from shaking and sliding, and the gas cylinder cannot be inflated and deflated are solved. The problems that an existing connecting structure cannot connect a hydrogen storage cylinder and a vehicle frame into a whole and cannot transmit loads to achieve cooperative bearing of the hydrogen storage cylinder and the vehicle frame, so that the vehicle frame independently bears all loads, and the quality of the whole vehicle is redundant are solved.

The utility model relates to the technical field of valves, in particular to a metal one-way valve integrated structure which comprises a front valve body, a rear valve body is installed on the lower portion of the front valve body, the front valve body and the rear valve body are riveted through an elastic cylindrical pin, and a sealing gasket and a supporting plate are arranged in the center of the interior of the front valve body and the center of the interior of the rear valve body. A first O-shaped ring is arranged on the outer side of the lower end of the front valve body, and a second O-shaped ring is arranged on the outer side of the upper end of the front valve body. According to the integrated structure of the metal one-way valve, through ingenious design, integration of the valve body is achieved, the structure is greatly simplified, and the manufacturing cost is reduced. Meanwhile, the aluminum alloy material is adopted, the overall strength and corrosion resistance of the valve are enhanced, and the valve is more suitable for the high-pressure, high-temperature and high-corrosion environment of the hydrogen energy automobile. And due to the use of the elastic cylindrical pin, the tight connection of the front valve body and the rear valve body is ensured, the looseness of parts is effectively prevented, and the stability of the valve is improved.

The utility model discloses a cooling module for a hydrogen energy automobile, and relates to the technical field of hydrogen energy automobiles. The cooling module for the hydrogen energy automobile comprises a base, a shell is arranged on the upper surface of the base, a cover body is arranged at the top of the shell, a box body is fixedly installed at the bottom of the cover body, damping springs are fixedly installed on the inner top wall of the box body, a sliding plate is fixedly installed at the bottom of the damping springs, and a pressing block is fixedly installed at the bottom of the sliding plate; air is fed into the shell through the air inlet pipe, then the air flows upwards through the filter screen, and heat dissipation and ventilation operation is carried out on parts between the screen plates through the screen plates, so that subsequent cooling operation is facilitated, subsequent use is facilitated, and the service life of the air purifier is prolonged. And meanwhile, heat dissipation and cooling operation can be conveniently carried out on the module in the subsequent use process, the use convenience of the module is improved, subsequent operation is facilitated, and the use convenience of the module is improved.

A hydrogen fueled communication method performed by a distributor includes the steps of: identifying a communication protocol supported by a moving body fueled by hydrogen and a communication protocol supported by the distributor based on a communication sequence performed by the moving body fueled by hydrogen and information transferred by the communication sequence; and determining a communication protocol to be executed between the hydrogen-fueled moving body and the distributor based on the communication protocol supported by the hydrogen-fueled moving body and the communication protocol supported by the distributor.

The present invention relates to a composite charging system and method capable of producing charging power for an electric vehicle by utilizing hydrogen energy supplied to a hydrogen vehicle, and compositely connecting hydrogen energy with a power system to efficiently perform charging of the electric vehicle, and more flexibly coping with the use of energy.The composite charging system according to the present invention comprises: a hydrogen charger which charges hydrogen into a vehicle; a hydrogen power supply system which generates and supplies power on the basis of hydrogen; a system power supply system which supplies power from a power system; an electric charger which charges the electric vehicle; and a battery power supply system which stores power supplied from the hydrogen power supply system and the system power supply system, and supplies the stored power to the electric charger.

The invention discloses a built-in commuting passenger car hydrogen exchange system, relates to the technical field of hydrogen energy automobiles, and aims to solve the problems that although a gas cylinder of an existing hydrogen energy automobile is mounted at the bottom of the automobile, the height of the automobile bottom is too low, the gas cylinder is very inconvenient to replace, the gas cylinder is not efficient and convenient to replace, and the using effect is poor in the prior art. A gas cylinder bin is arranged below the passenger car, the gas cylinder bin is a warehouse traditionally used by the passenger car, a hydrogen exchange combination module is installed in the gas cylinder bin and comprises a protection module and a push-out device, the protection module comprises a protection frame, and an installation base is installed on the inner side of the protection frame. A plurality of hydrogen cylinders are arranged above the mounting seat, a fixing hoop for fixing the hydrogen cylinders is arranged on the mounting seat, and the protection frame is in sliding connection with the push-out device.