54 results about "Hydrogen vehicle" patented technology

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 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.

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.

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 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.

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.

A method for emission management for a hydrogen vehicle, which vehicle comprises a fuel-supply system 2 for supplying hydrogen fuel from a fuel reservoir 1 to a power source 6 of the vehicle when the

The application discloses a built-in hydrogen replacement system for commuter passenger cars and relates to the technical field of hydrogen energy cars. The hydrogen energy cars in the prior art have the problem that the gas cylinders are installed at the bottom of the car, the height of the car bottom is too low, the replacement of the gas cylinders is very inconvenient, the replacement of the gas cylinders is not efficient and convenient, and the use effect is poor. The bottom of the passenger car is provided with a gas cylinder bin, the gas cylinder bin is a cargo bin traditionally used by the passenger car, a hydrogen replacement combined module is installed in the gas cylinder bin, the hydrogen replacement combined module comprises a protection module and a pushing device, the protection module comprises a protection frame, an installation seat is installed on the inner side of the protection frame, a hydrogen cylinder is arranged above the installation seat, a fixing hoop for fixing the hydrogen cylinder is arranged on the installation seat, a plurality of hydrogen cylinders are arranged, and the protection frame is in sliding connection with the pushing device.

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 utility model provides a movable hydrogen refueling station, and relates to the field of hydrogen refueling equipment. The movable hydrogen refueling station comprises a container which comprises a box body and a top cover, and the top cover is detachably connected to the top of the box body so that an explosion venting opening can be formed in the top of the box body. The gas discharging chamber is provided with a gas discharging pipeline, and the gas inlet end of the gas discharging pipeline is used for being communicated with a hydrogen vehicle. The compression system comprises a compressor and a hydraulic station, the compressor is connected with the hydraulic station through a hydraulic pipeline, and the air inlet end of the compressor communicates with the air outlet end of the air discharging pipeline. The cooling-water machine is at least connected with the compression system through a cooling pipeline. And the gas inlet end of the hydrogenation machine is communicated with the gas outlet end of the compressor. The gas unloading chamber, the compression system, the cooling-water machine and the hydrogenation machine are all integrated in the container, and the cooling-water machine is arranged between the compression system and the hydrogenation machine. According to the movable hydrogen refueling station, through integrated design, rapid deployment, low-cost construction and high-safety operation are achieved, and the flexibility and economical efficiency of the movable hydrogen refueling station are remarkably improved.

The application discloses a hydrogen exchange method of a mobile hydrogen exchange station, which comprises the following steps: system starting, positioning guidance, safety alignment, hydrogen exchange operation starting, safety detection and operation ending. The hydrogen exchange method of the mobile hydrogen exchange station disclosed by the application takes the mobile hydrogen exchange station main body as a benchmark, realizes synchronous positioning of the hydrogen vehicle and the operation vehicle, breaks the dependence of the traditional positioning mode on the fixed site and ground facilities, simultaneously simplifies the driver operation process, does not need manual accurate alignment, and only needs to drive into the operation area according to the guidance, so that the automatic positioning and hydrogen exchange operation can be completed, and the hydrogen exchange efficiency is greatly improved.

The application discloses a methanol hydrogen production and power generation system and a hydrogen energy automobile. The methanol hydrogen production and power generation system comprises a methanol hydrogen production device and a fuel cell. The methanol hydrogen production device comprises a methanol hydrogen production reactor. The reactor comprises a cylinder body, an upper head, a lower head and at least one group of column pipe groups. The column pipe groups are arranged in the cylinder body. The upper head and the lower head are arranged at two ends of the cylinder body. The column pipe groups comprise a plurality of reaction column pipes. The reaction column pipes are spiral. The plurality of reaction column pipes of the column pipe groups have the same arc length and total length. The plurality of reaction column pipes are combined in a winding mode to form the column pipe groups. The technical scheme re-designs the structure of the reactor, greatly reduces the volume of the reactor, directly converts hydrogen combustion into electric energy for storage, further reduces the storage volume of the power generation system, and directly provides driving force when the mobile device needs.

The vehicle comprises a gas fuel supply system 100, which includes a gas fuel tank 102 connected to a pressure regulator 104, a fuel rail 120 located downstream of the pressure regulator 104, and at least one injector 122 connected to the fuel rail 120 for injecting fuel from the fuel rail 120 into a combustion chamber of an engine. The control unit 110 is designed to detect the failure of a component of the gas fuel supply system 100. The control unit 110 is further characterized in that it is designed to calculate emergency fuel injections, which occur in addition to regular injections for the engine, based on the rail pressure and to regulate the rail pressure in the fuel rail 120 by means of the emergency fuel injections during an exhaust stroke of the engine.The emergency running mode for an electronically controlled hydrogen vehicle during a failure of the rail pressure sensor 116 or failure of the pressure regulator 104 is disclosed.

The invention relates to a hydrogen tank system (100) for storing hydrogen, comprising: – at least a first hydrogen container (110) and a second hydrogen container (120), which are designed to store hydrogen, each having a first lance (111) and a second lance (121), which are designed to introduce hydrogen into the hydrogen containers (110, 120), – a hydrogen line (130), which fluidically interconnects the first hydrogen container (110) and the second hydrogen container (120) via the first lance (111) and the second lance (121) and is connectable to a tank nozzle (150), via which hydrogen can be supplied, wherein the first hydrogen container (110) has a larger volume than the second hydrogen container (120), and at least part of the second lance (121) has a smaller cross-section than the first lance (111). The invention also relates to a hydrogen vehicle (200).

The present invention discloses a solid-state hydrogen storage system and method for a hydrogen vehicle. This system deeply couples the solid-state hydrogen storage device with the hydrogen vehicle. During hydrogen supply, the heat from the hydrogen fuel engine is used to heat the solid-state hydrogen storage device to provide hydrogen. During hydrogen filling, the product water from the hydrogen fuel engine is used to cool the solid-state hydrogen storage device, thereby increasing the hydrogen charge. The present invention also designs the overall operating process of the system to achieve precise regulation of the heat input to the solid-state hydrogen storage device, significantly improving the applicability of the solid-state hydrogen storage device to hydrogen vehicles.

The invention belongs to the technical field of hydrogen energy automobiles, and relates to a 70 MPa basalt fiber four-type hydrogen storage cylinder and a manufacturing method thereof, the 70 MPa basalt fiber four-type hydrogen storage cylinder comprises an inner container, and the outer layer of the inner container is coated with a thermoplastic buffer layer; a basalt fiber winding layer is wound outside the thermoplastic buffer layer; an anti-static layer is arranged outside the basalt fiber winding layer, and bottle opening assemblies of a double-sealing structure are arranged at the two ends of the inner container. The application of the basalt fiber greatly reduces the weight, improves the energy efficiency and endurance mileage of the hydrogen energy automobile, and reduces the transportation energy consumption. The cost of the basalt fiber raw material is about 30%-50% lower than that of the carbon fiber, the manufacturing cost of the hydrogen storage cylinder is remarkably reduced, and popularization of hydrogen energy automobiles is accelerated. And the thermoplastic buffer layer is arranged between the inner container and the basalt fiber winding layer, so that the problem of interface layering possibly caused by large difference of thermal expansion coefficients of metal and non-metal materials is solved, the integrity of the whole bottle body structure is enhanced, and the bottle body structure is still stable and reliable under the working conditions of long-term hydrogen charging and discharging circulation and temperature and pressure alternation.

The embodiment of the invention provides a towing vehicle towing test system and test method, relates to the technical field of vehicles, and can be applied to the related fields of various new energy vehicles such as electric vehicles, hybrid vehicles and hydrogen energy vehicles. The system comprises a controller, a pull function module, an interface and a control circuit, the number of the trailer function modules is at least one, and the trailer function modules are configured based on the trailer test requirements of the trailer corresponding to the to-be-tested tractor; the controller is connected with the output end of the pull function module through the control circuit, the input end of the pull function module is connected with the interface, and the interface is connected with a signal interface of a tractor to be tested. The method provided by the invention effectively solves the problems of insufficient applicability and low test efficiency of the pull test caused by difficulty in finding the pull vehicles meeting different standards and requirements in the pull test in the related technology.

The present invention relates to a heat transfer fluid composition with improved thermal stability, and has the effect of inhibiting the oxidation of a coolant due to hydrogen vehicle stack cooling system components and operating temperature.

A method according to one embodiment of the present disclosure comprises the steps of: transmitting a control request regarding the state of hydrogen in a mobility tank of a hydrogen vehicle to the hydrogen vehicle; obtaining on-site data on the change in the state of hydrogen in the mobility tank as feedback in response to the control request; and updating a model of the change in the state of hydrogen in the mobility tank in response to the control request based on the on-site data of the change in the state of hydrogen in the mobility tank in response to the control request.

The present invention relates to the field of intelligent charging for hydrogen vehicles and provides an intelligent charging device for auxiliary energy in hydrogen fuel cell vehicles. The device comprises a hydrogen fuel cell management system (FCU), a high-voltage distribution unit (PDU), a drive motor system, a drive motor controller (MCU), a battery management system (BMS), an auxiliary energy system, a thermal management system (HMC), a step-down (DCL) converter, a vehicle controller (VCU), and an onboard T-Box. The device activates the fuel cell based on the auxiliary energy's charge level to charge the auxiliary energy, ensuring that the auxiliary energy's charge level remains within a specified range, extending the auxiliary energy's lifespan and ensuring the proper operation of the fuel cell vehicle.

Disclosed in the present invention are an intelligent rapid tank swapping method and system for a hydrogen vehicle. The method comprises: establishing a communication connection between a tank swapping control unit and an on-board data terminal; acquiring operation state data of a vehicle from the on-board data terminal; directly acquiring hydrogen storage tank demand data from the on-board data terminal or generating hydrogen storage tank demand data; confirming the position and the operation state data of the vehicle, and outputting a control signal on the basis of a confirmation result to unlock a hydrogen refueling tank from a vehicle body; and removing an on-board hydrogen storage tank, and on the basis of the hydrogen storage tank demand data, selecting a suitable hydrogen storage tank and placing the suitable hydrogen storage tank on the vehicle body, confirming a position state between the hydrogen storage tank and the vehicle body, and locking the hydrogen storage tank to the vehicle body. By changing a hydrogen refueling mode to tank-swapping hydrogen refueling, the hydrogen refueling efficiency can be significantly improved, and the hydrogen refueling safety can also be improved. By means of the operation state data of the vehicle and the hydrogen storage tank demand data which are acquired from the on-board data terminal, the suitable hydrogen storage tank is configured for the vehicle, and a differentiated tank swapping mode also maximizes the utilization rate of a hydrogen fuel in a single hydrogen storage tank after each tank swap.

A system and method for refueling a fleet of hydrogen fueled vehicles is provided. The system includes a bulk hydrogen storage tank, a pump / chiller assembly, a plurality of high pressure hydrogen dispenser and a controller. The pump / chiller assembly includes a compressor configured to pump hydrogen fuel and a chiller configured to chill the hydrogen fuel. The plurality of high pressure hydrogen dispensers are configured to selectively couple to a corresponding plurality of hydrogen fueled vehicles of a fleet of vehicles. The controller: receives fleet parameters indicative of operating conditions of the fleet of vehicles; receives refueler data indicative of operating conditions of the system; determines, based on the fleet parameters and the refueler data, optimal operating parameters used to achieve efficient refueling of the fleet of vehicles; and implements the optimal operating parameters into the system.

The present invention relates to a method for managing emissions from a hydrogen vehicle, wherein the vehicle is equipped with a fuel supply system (2) for supplying hydrogen fuel from a fuel storage tank (1) to the vehicle's power source (6) when the vehicle is in operation. To minimize uncontrolled hydrogen emissions from a hydrogen vehicle, the present invention provides a fuel supply system (2) equipped with a purgeable section (4), the method comprising at least the steps of: - disconnecting the purgeable section (4) from the fuel storage tank (1) so that a power source (6) is disconnected from the fuel storage tank (1) (170, 260), wherein hydrogen fuel remains in the purgeable section (4); and - performing a purging operation (220, 230, 270), the purging operation comprising: - discharging hydrogen fuel from the purgeable section (4) to reduce the pressure in the purgeable section (4) to a target pressure; - generating a vent gas inside the vehicle using the hydrogen fuel discharged from the purgeable section (4) such that the vent gas has a hydrogen concentration below a threshold concentration; and - releasing the vent gas at least partially into the atmosphere (50).