212 results about "Hydrogen tank" patented technology

The invention discloses a hydrogen energy unmanned aerial vehicle nest outdoor inspection energy complementing platform, and mainly relates to unmanned aerial vehicle nest energy complementing. Comprising a nest body, a lifting platform is installed on the upper surface of the nest body, a closing plate is installed in the nest body, adjusting rods are installed on the two sides of the two ends of the nest body, a shell is installed at the ends, away from the nest body, of the adjusting rods, and a hydrogen tank is arranged in the nest body; an unmanned aerial vehicle body is placed on the upper surface of the lifting platform, supplementing structures are arranged on the two sides of the unmanned aerial vehicle body, each supplementing structure comprises two connecting pipes, and the two connecting pipes are both fixedly connected with the unmanned aerial vehicle body. The device has the beneficial effects that hydrogen energy can be automatically supplemented to the unmanned aerial vehicle conveniently and can be recycled, the device can be prevented from being used on a nest in different environments, and the energy supplementing efficiency of the unmanned aerial vehicle is greatly improved.

This invention provides a fuel cell system that can estimate the nitrogen concentration of gases emitted from the fuel cell at low cost. [Solution] The fuel cell system 1 comprises a fuel cell 2 that generates electricity through an electrochemical reaction between hydrogen gas and oxygen gas and discharges hydrogen off gas containing unreacted hydrogen gas together with nitrogen gas and moisture; a hydrogen supply channel 40 that supplies hydrogen gas from a hydrogen tank 41 to the fuel cell 2; a recirculation channel 50 that recirculates the hydrogen off gas back into the hydrogen supply channel 40; a gas-liquid separator 51 that separates moisture from the hydrogen off gas to obtain dehumidified hydrogen gas and stores the separated moisture; an exhaust valve 54 that exhausts the dehumidified hydrogen gas from the recirculation channel 50; a pressure sensor 52 that detects the pressure in the recirculation channel 50; and a control device 6 that controls the exhaust valve 54. The control device 6 estimates the concentration of nitrogen gas contained in the dehumidified hydrogen gas based on the value detected by the pressure sensor 52, and controls the exhaust valve 54 to an open state when the concentration of nitrogen gas exceeds a predetermined value.

A hydrogen supply system includes a detachable hydrogen tank, a hydrogen consumption apparatus that consumes hydrogen in the hydrogen tank, and a control device. The hydrogen consumption apparatus includes a detachment and attachment mechanism that detaches the hydrogen tank from the hydrogen consumption apparatus and attaches the hydrogen tank to the hydrogen consumption apparatus. The detachment and attachment mechanism includes a motor that controls detachment and attachment of the hydrogen tank from and to the hydrogen consumption apparatus. When a torque value of the motor exceeds a threshold during the control of the detachment and attachment of the hydrogen tank from and to the hydrogen consumption apparatus, the control device returns the hydrogen tank to a position where a moving process in which the threshold being exceeded is detected is started.

A work vehicle includes a vehicle body, a driver's seat, an electric motor, and a fuel cell module each installed on the vehicle body, a cabin around the driver's seat, a hydrogen pipe and a hydrogen tank through and from which hydrogen is supplied to the fuel cell module, and a tank case above the cabin and accommodating the hydrogen tank. The tank case includes a lower plate covering a lower surface of the hydrogen tank, side plates covering side surfaces of the hydrogen tank, and an upper plate covering an upper surface of the hydrogen tank, and includes a first vent that is open in the lower plate.

The application discloses an electric flame stove capable of inhibiting ozone, which comprises a stove head, a stove box, and an ejector. The stove head comprises an upper casing, a plurality of negative fire spraying tubes arranged on the upper casing, a lower casing, a plurality of insulating cyclones arranged on the lower casing, and a positive needle arranged between the single insulating cyclones. The stove box comprises a panel and a base. The base is provided with a driving circuit, a voltage transformation circuit, and a rectifier circuit electrically connected with the positive needle. The ejector is arranged on the stove head. The ejector is connected with an electric valve and a hydrogen tank through a pipeline. The ejector is further provided with a plurality of spraying holes for spraying hydrogen. The ozone is effectively eliminated or inhibited by adding hydrogen to mix and burn with the ozone.

A hydrogen supply system including: a plurality of hydrogen tanks that is attachable and detachable; a hydrogen consumption device that consumes hydrogen of the hydrogen tanks; and a control device is provided. The hydrogen consumption device includes an attaching-detaching mechanism including a plurality of motors that controls attaching and detaching of the hydrogen tanks with respect to the hydrogen consumption device, the motors corresponding to the attaching and detaching of the respective hydrogen tanks. The control device disposes, based on a temperature of each of the motors, a hydrogen tank of the hydrogen tanks to a hydrogen supply start position at which the hydrogen tank and the hydrogen consumption device are connected in a state in which the hydrogen tank is allowed to supply hydrogen to the hydrogen consumption device, or disposes the hydrogen tank to a hydrogen supply standby position.

The utility model provides a liquid hydrogen storage device which can reduce heat input from a port to the inside of a hydrogen tank so as to improve the heat insulation performance of the hydrogen tank. This liquid hydrogen storage device (100) is provided with: a hydrogen tank (10) that is mounted in a vehicle (200) and stores liquid hydrogen; and an evaporation line (40) connected to the hydrogen tank (10) and discharging hydrogen gas gasified in the hydrogen tank (10) to the outside of the vehicle (200), the liquid hydrogen storage device (100) being characterized in that the hydrogen tank (10) is provided with a pump port (20) protruding from the outer surface, and the evaporation line (40) is disposed so as to surround the pump port (20).

To provide a hydrogen supply system capable of avoiding continuation of pinching of foreign matter or the like.SOLUTION: A hydrogen supply system comprising: a detachable hydrogen tank; a hydrogen consuming device configured to consume hydrogen in the hydrogen tank; and a control device, wherein the hydrogen consuming device comprises a detachment mechanism configured to detach the hydrogen tank from the hydrogen consuming device, when a torque value of the motor exceeds a threshold value during attachment / detachment control of the hydrogen tank to / from the hydrogen consumption device, the control device returns the hydrogen tank to a position at which a moving stroke in which the torque value exceeds the threshold value is started.SELECTED DRAWING: Figure 1

This hydrogen-powered electric vehicle comprises an electric drive unit for driving at least one drive wheel of the vehicle, at least one electrical energy storage battery, at least one fuel cell module, a hydrogen tank for the fuel cell, and a hydrogen circuit connected to the tank, including components through which hydrogen circulates. It includes a set of hollow guide conduits (12, 13), each having a first end (14) opening at a component of the hydrogen circuit and a second accessible end. Figure for the abbreviation: Fig 2

An excavator is an excavator having a rotating body provided rotatably to a traveling device, and includes a hydrogen tank storing hydrogen, a fuel cell consuming hydrogen of the hydrogen tank to generate electricity, and an electric pump device driven by the electricity generated by the fuel cell to discharge a working fluid. The hydrogen tank and the electric pump device are accommodated in an accommodation space in the rotating body, and the fuel cell is provided to the rotating body away from the accommodation space.

The invention relates to a drive device (1) for an aircraft (2), having: a fuel cell device (3) which can be connected to a hydrogen tank (4, 4a, 4b, 4c, 4d); an electric drive motor (5) which is electrically connected to the fuel cell device and is designed to drive a propeller (6) about a drive axis (7); a first fire protection chamber (8) in which the fuel cell device and in particular a hydrogen tank are arranged; a first fire protection wall (8a) which extends completely or partially around the first fire protection chamber; a second fire protection chamber (9) in which at least the electric drive motor is arranged; and a second fire protection wall (9a) which extends completely or partially around the second fire protection chamber, wherein the first and second fire protection walls are at least partially different from one another, and wherein the first fire protection chamber is separated from the second fire protection chamber by at least one fire protection wall.

The utility model provides a vehicle hydrogen storage structure and a vehicle. The vehicle hydrogen storage structure comprises a lower vehicle body frame, a first support, a plurality of protection frames and a plurality of second supports. The lower vehicle body frame comprises a first cross beam, a second cross beam and two longitudinal beams, the first cross beam, the second cross beam and the two longitudinal beams define a first closed-loop frame, and the first closed-loop frame is used for containing a hydrogen tank. One end of the first support is connected with the first beam, the other end of the first support is connected with the second beam, and the first support is provided with a rotating seat connected with the hydrogen tank so that the hydrogen tank can rotate relative to the lower vehicle body frame. A buffer piece is arranged on the inner side of each protection frame and abuts against the hydrogen tank, and the hydrogen tanks are supported by the buffer pieces and can move relative to the protection frames. One end of each second support is connected with the first cross beam, the other end of each second support is connected with the second cross beam, and each second support supports one corresponding protection frame. According to the vehicle hydrogen storage structure, through cooperation of the soft structure and the hard structure, when the vehicle hydrogen storage structure is collided, energy absorption can be increased, deformation is reduced, and safety of a hydrogen tank is improved.

This facilitates the installation of large-capacity hydrogen tanks and batteries under the floor of the vehicle compartment. [Solution] In a hybrid vehicle 10 comprising a center tunnel 30 extending in the longitudinal direction of the vehicle and located in the central part of the vehicle width direction under the floor of the passenger compartment 12, a hydrogen engine 11, a generator 15 that generates electricity using power from the hydrogen engine 11, a battery 16 that stores the electricity generated by the generator 15, and a hydrogen tank 21 that stores the hydrogen burned by the hydrogen engine 11, the battery 16 is installed to be located inside the center tunnel.

The present invention relates to a hydrogen supply system comprising a plurality of detachable hydrogen tanks, a hydrogen consumption device that consumes hydrogen in the hydrogen tanks, and a control device, and an attachment / detachment mechanism that includes a plurality of motors that control attachment / detachment of the hydrogen tanks to / from the hydrogen consumption device and that cope with the attachment / detachment of each of the plurality of hydrogen tanks, the control device disposing the hydrogen tanks at a hydrogen supply start position or at a hydrogen supply standby position on the basis of the temperatures of the motors. The hydrogen supply start position is a position where the hydrogen tank and the hydrogen consumption device are connected so that the hydrogen tank can supply hydrogen to the hydrogen consumption device.

This invention belongs to the field of solid waste resource utilization technology. To address the problems of inconsistent temperature during existing fluidized bed waste plastic gasification processes, which prevent graded conversion and result in products primarily consisting of hydrogen and carbon monoxide with low added value and low energy efficiency, this invention provides a device and method for graded gasification of waste plastics to prepare chemicals. The fluidized bed reactor has a top section connected to a silo. The middle section of the reactor is connected to air / oxygen tanks, carbon dioxide tanks, hydrogen tanks, and carbon monoxide tanks. A gas-liquid separator and column chromatography are connected at the top of the reactor, and a liquid pump connects it to a preheater at the bottom. An outlet is located at the bottom. Graded conversion of waste plastics is achieved within the fluidized bed, increasing the added value of the waste plastics and facilitating their graded conversion and high-value utilization. The invention features high production efficiency, continuous production capability, and applicability to other solid waste resource utilization processes.

The utility model discloses a closed oxyhydrogen fuel cell power generation system which comprises a fuel cell stack and a circulating pump, the fuel cell stack is respectively connected with the circulating pump, an oxygen tank and a hydrogen tank, oxygen is conveyed to the fuel cell stack through the oxygen tank, hydrogen is conveyed to the fuel cell stack through the hydrogen tank, and the circulating pump is connected with the circulating pump. And cyclic utilization of oxygen is realized through the circulating pump. According to the utility model, the unreacted oxygen is recycled through the circulating pump, the pressure of the oxygen and hydrogen before entering the fuel cell stack is monitored while the oxygen and hydrogen are conveyed, and the opening degrees of the oxygen inlet electromagnetic valve and the hydrogen inlet electromagnetic valve are regulated according to the pressure; the problem of backflow caused by too large oxygen pressure of a circulation path before oxygen enters a reactor is solved by arranging a first check valve, gas pumped by a four-way connector cannot reversely flow into a circulation pump by arranging a second check valve, and a hydrogen pulse discharge electromagnetic valve and an oxygen pulse discharge electromagnetic valve are designed to be intermittently opened; hydrogen and oxygen can fully react, and the gas utilization rate is increased.

A hydrogen filling device comprises a plurality of first connection ports that can be connected to a plurality of respective first hydrogen tanks, a common flow channel, a first branch flow channel connecting a first end of the common flow channel and the respective first connection ports, a plurality of second connection ports that can be connected to a plurality of respective second hydrogen tanks, a second branch flow channel connecting the second end of the common flow channel and the respective second connection ports, a plurality of first valves provided in the first branch flow channel to correspond to the respective first connection ports, and a plurality of second valves provided in the second branch flow channel to correspond to the respective second connection ports.and a control unit that allows the respective first valves and the respective second valves to be opened and closed individually.

This hydrogen-powered electric vehicle comprises an electric powertrain for driving at least one drive wheel of the vehicle, at least one electrical energy storage battery, at least one fuel cell module, a hydrogen tank (15) for the fuel cell, and a hydrogen circuit (16) connected to the tank. The hydrogen circuit includes a high-pressure section (20) corresponding to the pressure of the tank, which includes components through which the hydrogen circulates. It comprises a non-hydrogen-tight housing (30) equipped with a hydrogen sensor (31) in which said components of the hydrogen circuit are placed. (See Figure 4 for abbreviations.)

This hydrogen-powered electric vehicle comprises an electric drive unit (11) for driving at least one drive wheel of the vehicle, at least one battery (13) for storing electrical energy, at least one fuel cell module (14), a hydrogen tank (15) for the fuel cell, and a hydrogen circuit (16) connected to the tank. The hydrogen circuit includes a high-pressure section (20) corresponding to the tank pressure. (See Figure 3 for abbreviations.)

An on-tank valve for a hydrogen fuel system is provided. The on-tank valve includes an attachment portion for attachment to a hydrogen tank and a head for controlling a flow of hydrogen fuel to and from the hydrogen tank. The head includes a plurality of ports (22, 50, 26, 30, 36, 44, 37) for housing valves, sensors, vents, safety devices, connectors, and / or filters. The head also includes a network of flow passages that connect to a plurality of flow paths through the attachment portion to the plurality of ports for filling the hydrogen tank, de-fueling, venting, and / or pressure relief.

A hydrogen tank includes a fitting having a through-hole; a boss member disposed on an opposite side of the hydrogen tank from the fitting in a direction of an axis of the hydrogen tank; a rod-shaped member assembly configured by arranging rod-shaped members each having an elongated shape in a circumferential direction and a radial direction of the hydrogen tank such that the fitting and the boss member serve as a winding core, each of the rod-shaped members having a first end portion disposed on a fitting side and a second end portion disposed on a boss member side; and a reinforcing layer made of a fiber reinforced plastic and disposed to cover an outer peripheral surface of the rod-shaped member assembly. In the first end portion and the second end portion, the rod-shaped members adjacent to each other in the circumferential direction and the radial direction are bonded.

A hydrogen supply system includes a removable hydrogen tank, a hydrogen consumption device that consumes the hydrogen in the tank, and a control device. The hydrogen consumption device includes a release and fastening mechanism that releases the hydrogen tank from and fastens the hydrogen tank to the consumption device. The release and fastening mechanism includes a motor that controls the release and fastening of the hydrogen tank to and from the consumption device. If the torque value of the motor exceeds a threshold value during the control of the release and fastening of the hydrogen tank to and from the consumption device, the control device returns the hydrogen tank to a position in which a movement process is initiated that detects the threshold being exceeded.

A hydrogen tank, preferably a tank for storing liquid hydrogen at low pressure in cryogenic condition, includes at least one gaseous hydrogen capture system. The system is provided with absorbent fillers configured to capture the gaseous hydrogen, the absorbent fillers being linked to at least a part of a wall of the tank, and / or to a skin arranged on an outer face of the tank, and / or to an outer jacket intended to implement an auxiliary function. The system has a reduced weight and is able to retain and store gaseous hydrogen which could escape from the tank so as to prevent it from being given off into the environment of the tank. The captured gaseous hydrogen is able to be restored later by the system.

To provide a hydrogen filling device for a detachable hydrogen tank (hydrogen cartridge) capable of preventing unintentional release of hydrogen. A device for filling hydrogen into a desirable hydrogen cartridge is provided. A connecting part connected with the hydrogen cartridge to fill the hydrogen cartridge with hydrogen. A locking mechanism for regulating detachment of the hydrogen cartridge from the device. The locking mechanism is connected to the hydrogen cartridge using a pressure of hydrogen to lock the hydrogen cartridge when the hydrogen is filled in the hydrogen cartridge.

The invention relates to a hydrogen filling method, a hydrogen filling apparatus, a program, and a recording medium. The purpose of the present invention is to efficiently fill hydrogen even if a large-capacity hydrogen tank is used as an object. When the connection between the nozzle and the jack can be realized, under the condition that the nozzle flow of the nozzle is greater than the jack flow of the jack, or the jack flow is not clear, hydrogen filling with the nozzle flow is prohibited.

The invention relates to the technical field of synthesis of green ammonia, in particular to a low-consumption production method and system of green ammonia. A low-consumption green ammonia production method comprises the steps that potential hydrogen production in a future time period is predicted, and the prediction method comprises the steps that the generated power in the future time period is determined based on renewable energy power generation types and meteorological data of the position where renewable energy power generation is located in the future time period, and then the potential hydrogen production in the future time period is predicted according to the generated power in the future time period; the potential hydrogen production amount in the future time period is obtained, the minimum hydrogen production target is determined, and the minimum hydrogen supply amount needed in the future time period is calculated with the minimum stable operation requirement of the synthesis ammonia production device as the base line. The method has the beneficial effects that the minimum electrolytic hydrogen amount, the hydrogen storage tank target and the amount of hydrogen capable of overflowing in advance required for maintaining the stability of the synthesis loop are dynamically calculated on the basis of predicting the future renewable energy power generation power curve trajectory, post emergency treatment is avoided, and potential overflowing hydrogen is introduced into the fuel cell to form an in-plant energy positive feedback closed loop.

An on-tank valve for a hydrogen fuel system is provided. The on-tank valve includes an attachment portion for attachment to a hydrogen tank and a head for controlling a flow of hydrogen fuel to and from the hydrogen tank. The head includes a plurality of ports (22, 50, 26, 30, 36, 44, 37) for housing valves, sensors, vents, safety devices, connectors, and / or filters. The head also includes a network of flow passages that connect to a plurality of flow paths through the attachment portion to the plurality of ports for filling the hydrogen tank, de-fueling, venting, and / or pressure relief.

A remaining amount estimation method for a hydrogen tank used in a fuel cell device including at least one fuel cell unit includes estimating a time when the remaining amount of hydrogen in a hydrogen tank falls to a first threshold value or below based on a used amount of hydrogen in the hydrogen tank during a first time period of a plurality of consecutive days and notifying a display device of the time. When a used amount of hydrogen in the hydrogen tank during a second time period of a plurality of consecutive days within the first time period is less than or equal to a second threshold value, the time is estimated based on a used amount of hydrogen in the hydrogen tank during the first time period excluding the second time period.

There is disclosed a device for filling one or more pressurized hydrogen tanks, the filling device comprising a transfer line (1) configured to convey a flow of hydrogen from a hydrogen source (2) to the tank to be filled, the transfer line (1) comprising:-a bypass path for bypassing the purification system, the bypass path is configured to bypass the hydrogen stream by at least a portion of the purification system; -fluid switching means configured to circulate the hydrogen stream through the purification system and / or through the bypass path; -data acquisition means (19); -a control unit (20) configured to control the fluid switching means based on data from the data acquisition means (19).

This hydrogen tank is provided with: a joint having a through-hole; a boss member disposed so as to face the joint in the axial direction of the hydrogen tank; a rod-like member assembly in which a plurality of elongated rod-like members, one end of which is disposed on the joint side and the other end of which is disposed on the boss member side, are arranged in the circumferential direction and the radial direction of the hydrogen tank so as to surround the joint and the boss member at the center; and a reinforcing layer made of fiber-reinforced resin and arranged to cover the outer peripheral surface of the rod-shaped member assembly. The rod-shaped members adjacent to each other in the circumferential direction and the radial direction are bonded to each other at the one end and the other end. In an intermediate portion between the one end and the other end, the rod-shaped members that are adjacent in the circumferential direction and the radial direction are arranged so as to have slits that communicate with the through-holes of the joint.