Off-grid overcharge equipment for hydrogen fuel cell

Abstract

The embodiment of the utility model provides hydrogen fuel cell off-grid overcharge equipment, and belongs to the technical field of hydrogen fuel cells. The hydrogen fuel cell off-grid overcharge equipment comprises a frame, a fuel cell power generation system, an energy storage cell system and a solid hydrogen storage system, wherein the fuel cell power generation system, the energy storage cell system and the solid hydrogen storage system are all arranged in an accommodating space of the frame; the solid hydrogen storage system is used for providing hydrogen for the fuel cell power generation system, and the fuel cell power generation system is electrically connected with the energy storage battery system; the fuel cell power generation system comprises a fuel cell system and a charging module, the fuel cell system is used for generating electric energy, the fuel cell system is electrically connected with the charging module, and the charging module, the fuel cell system, the energy storage cell system and the solid hydrogen storage system are distributed in the containing space in the horizontal direction. The hydrogen fuel cell off-grid overcharge equipment integrates the charging module, the energy storage cell system, the solid hydrogen storage system and the fuel cell system into a whole, and is modularized in design and reasonable in spatial layout.

Description

Technical Field

[0001] This application relates to the field of hydrogen fuel cell technology, and more specifically, to an off-grid supercharging device for hydrogen fuel cells. Background Technology

[0002] A hydrogen fuel cell is a power generation device that uses hydrogen energy through a chemical reaction, producing only water during operation, thus achieving true zero emissions. Compared to traditional fuel combustion methods, hydrogen fuel cells have higher energy conversion efficiency and lower emissions, making them one of the important technologies for future environmentally friendly energy.

[0003] However, commercially available hydrogen fuel cell power generation devices have the following drawbacks in practical use: they are generally modular structures lacking modular design, which cannot meet the requirements of various operating environments. Furthermore, hydrogen fuel cells have extremely high safety requirements; hydrogen leakage is a common problem during operation, and the ventilation performance of these devices is not very good, posing certain safety hazards. Utility Model Content

[0004] This application provides an off-grid supercharging device for hydrogen fuel cells, which integrates a charging module, an energy storage battery system, a solid hydrogen storage system, and a fuel cell system into one unit. It features a modular design, a reasonable spatial layout, and a high degree of integration.

[0005] This application provides an off-grid supercharging device for hydrogen fuel cells. The off-grid supercharging device includes a frame, a fuel cell power generation system, an energy storage battery system, and a solid-state hydrogen storage system. The frame has an accommodating space, in which the fuel cell power generation system, the energy storage battery system, and the solid-state hydrogen storage system are all disposed. The solid-state hydrogen storage system is used to supply hydrogen to the fuel cell power generation system, and the fuel cell power generation system is electrically connected to the energy storage battery system. The fuel cell power generation system includes a fuel cell system and a charging module. The fuel cell system is used to generate electrical energy, and the fuel cell system is electrically connected to the charging module. The charging module is used to supply electrical energy to a charging pile. The charging module, the fuel cell system, the energy storage battery system, and the solid-state hydrogen storage system are distributed horizontally within the accommodating space.

[0006] In this solution, the off-grid supercharging equipment for hydrogen fuel cells includes a fuel cell power generation system, an energy storage battery system, and a solid-state hydrogen storage system. The solid-state hydrogen storage system supplies hydrogen to the fuel cell power generation system. The fuel cell power generation system and the energy storage battery system are electrically connected. The fuel cell power generation system includes a fuel cell system and a charging module. The electricity generated by the fuel cell system powers the charging module, which in turn powers external charging stations, enabling the off-grid supercharging equipment to supply power to the charging stations. Excess electricity generated by the fuel cell system can be stored in the energy storage battery system. By distributing the charging module, fuel cell system, energy storage battery system, and solid-state hydrogen storage system horizontally within the space, compared to the separate design of the charging module and fuel cell system in existing technologies, the off-grid supercharging equipment for hydrogen fuel cells achieves higher integration, allowing for overall transportation and assembly, and reducing limitations on operating locations. Furthermore, the horizontal distribution of the charging module, fuel cell system, energy storage battery system, and solid-state hydrogen storage system on the frame results in a rational spatial layout. Each module is independently designed, ready for immediate use, and easy and quick to install.

[0007] In some embodiments, the charging module and the solid hydrogen storage system are respectively distributed on opposite sides of the fuel cell system and the energy storage battery system along a first direction, and the energy storage battery system and the fuel cell system are spaced apart along a second direction; along the first direction, there is a first gap between the fuel cell system and the solid hydrogen storage system to form a first maintenance channel; along the second direction, there is a second gap between the fuel cell system and the energy storage battery system to form a second maintenance channel, and the first maintenance channel and the second maintenance channel are connected; the first direction is the length direction of the frame, and the second direction is the width direction of the frame.

[0008] In the above technical solution, the charging module and solid-state hydrogen storage system are distributed along a first direction on opposite sides of the fuel cell system and the energy storage battery system, respectively. The energy storage battery system and the fuel cell system are distributed at intervals along a second direction, so that the charging module and fuel cell system, and the energy storage battery system and solid-state hydrogen storage system are horizontally distributed in a rectangular array within the frame's accommodating space. The spatial layout of each module within the frame is reasonable and does not interfere with each other. Furthermore, a first maintenance channel is formed between the fuel cell system and the solid-state hydrogen storage system, and a second maintenance channel is formed between the fuel cell system and the energy storage battery system. The first and second maintenance channels are interconnected. Thus, in subsequent maintenance of the off-grid supercharging equipment for hydrogen fuel cells, it is not necessary to disassemble each module for maintenance. Workers can directly enter the accommodating space of the frame through the first and second maintenance channels to perform maintenance and inspection on the corresponding modules, making maintenance and inspection more convenient and faster, and reducing the maintenance difficulty of the off-grid supercharging equipment for hydrogen fuel cells.

[0009] In some embodiments, the off-grid supercharging device for hydrogen fuel cells also includes a protective cover surrounding the frame; the protective cover has openable and closable maintenance doors at locations corresponding to the charging module and fuel cell system, energy storage battery system and solid hydrogen storage system.

[0010] In the above technical solution, the protective cover surrounding the frame effectively seals off the perimeter of the frame in the off-grid supercharging equipment for hydrogen fuel cells, creating a relatively enclosed space and resulting in a cleaner appearance. By incorporating openable and closable maintenance doors in the areas corresponding to the charging module and fuel cell system, energy storage battery system, and solid-state hydrogen storage system, maintenance and repair can be performed directly by opening the corresponding maintenance door. Alternatively, access to the interior space via the first and second maintenance channels is available to perform maintenance on the corresponding modules of the off-grid supercharging equipment.

[0011] In some embodiments, the solid-state hydrogen storage system includes a plurality of solid storage modules for storing hydrogen, the plurality of solid storage modules being arranged at intervals along a second direction on a frame; the bottom of the solid storage module has a plurality of protruding support seats for contacting the ground, the plurality of support seats being distributed at intervals along the second direction, and a slot for inserting a forklift fork arm is formed between two adjacent support seats and the ground.

[0012] In the above technical solution, multiple support seats are provided protruding from the bottom of the solid storage module. The solid storage module contacts the ground through these support seats, so the weight of the solid storage module does not fall on the frame but is instead distributed through the support seats, reducing the load on the frame. Furthermore, the area between two adjacent support seats and the ground forms slots for forklift forks to insert. When the solid storage module needs to be replaced, it is only necessary to insert the forklift forks into the slots of two adjacent support seats, allowing the solid storage module to be removed horizontally from the frame. This enables rapid replacement of the solid storage module, which is more efficient than manual replacement.

[0013] In some embodiments, the top of the solid storage module is provided with a first connector for communicating with a hydrogen quick-connect pipe of the fuel cell system and a second connector for communicating with a water quick-connect pipe. The first connector is inserted into the hydrogen quick-connect pipe, and the second connector is inserted into the water quick-connect pipe. The hydrogen quick-connect pipe and the water quick-connect pipe are flexible hoses. A lifting component is provided on the frame above the solid storage module. The lifting component is used to drive the hydrogen quick-connect pipe and the water quick-connect pipe to move in the vertical direction, so that the hydrogen quick-connect pipe and the water quick-connect pipe switch between a first position and a second position. When the hydrogen quick-connect pipe and the water quick-connect pipe are in the first position, the hydrogen quick-connect pipe is connected to the first connector, and the water quick-connect pipe is connected to the second connector. When the hydrogen quick-connect pipe and the water quick-connect pipe are in the second position, the hydrogen quick-connect pipe is separated from the first connector and located above the first connector, and the water quick-connect pipe is separated from the second connector and located above the second connector. The first direction, the second direction, and the vertical direction are perpendicular to each other.

[0014] In the above technical solution, a lifting component is installed above the solid storage module. This component can drive the hydrogen and water quick-connect tubes to move vertically, allowing them to switch between a first position and a second position. In other words, the first and second connectors of the solid storage module are engaged with the hydrogen and water quick-connect tubes. When the solid storage module needs to be replaced, only the lifting component is needed to switch the hydrogen and water quick-connect tubes vertically between the first and second positions, enabling rapid separation of the solid storage module from the hydrogen and water quick-connect tubes. This facilitates quick forklift replacement of the solid storage module and improves its replacement efficiency.

[0015] In some embodiments, the energy storage battery system includes an energy storage battery and a battery compartment. The energy storage battery is electrically connected to the fuel cell system. The energy storage battery is disposed in the battery compartment, which is used to isolate the energy storage battery from the solid hydrogen storage system and the fuel cell power generation system, respectively.

[0016] In the above technical solution, the battery compartment can seal the energy storage battery, isolating it from the solid hydrogen storage system and the fuel cell power generation system, thus improving safety.

[0017] In some embodiments, a hydrogen concentration sensor is provided on the frame to monitor the hydrogen concentration in the containment space.

[0018] In the above technical solution, by setting a hydrogen concentration sensor on the frame, the hydrogen concentration sensor can monitor the hydrogen concentration in the containment space, which can effectively monitor the risk of hydrogen leakage in the off-grid supercharging equipment of hydrogen fuel cells, and facilitate staff to take timely measures.

[0019] In some embodiments, a forced exhaust fan is also provided at the top of the frame, with the exhaust port of the forced exhaust fan facing the receiving space.

[0020] In the above technical solution, by installing a forced exhaust fan at the top of the frame, with the exhaust port of the forced exhaust fan facing the containment space, the spatial flow rate inside the containment space can be accelerated, the phenomenon of excessively high local hydrogen concentration in the containment space can be reduced, and the safety of the off-grid supercharging equipment for hydrogen fuel cells can be improved.

[0021] In some embodiments, a fire-fighting assembly is provided on the frame. The fire-fighting assembly includes a fire tank, fire piping, and fire extinguishing device. The fire piping is distributed within the containment space, and the fire extinguishing device is connected to the fire tank through the fire piping. The fire extinguishing device is used to spray extinguishing agent into at least one area of ​​the containment space.

[0022] In the above technical solution, fire-fighting components are installed on the frame, fire-fighting tanks store fire extinguishing agents, and fire extinguishing devices are connected to the fire-fighting tanks through fire-fighting pipelines. The fire extinguishing devices can spray fire extinguishing agents into at least one area of ​​the containment space. When a fire occurs in the off-grid supercharging equipment of hydrogen fuel cells, the fire extinguishing devices can control and extinguish the open flames, thereby improving the safety of the off-grid supercharging equipment of hydrogen fuel cells.

[0023] In some embodiments, a smoke sensor and a temperature sensor are also provided on the frame. The smoke sensor is used to monitor smoke information in the containment space, and the temperature sensor is used to monitor the temperature information of the air in the containment space. The fire extinguishing device, the smoke sensor, and the temperature sensor are all electrically connected to the controller. The controller is used to control the fire extinguishing device to work when the smoke sensor detects a smoke signal and / or the temperature sensor detects a temperature information exceeding a first threshold.

[0024] In the above technical solution, by setting up smoke sensors and temperature sensors within the frame, the smoke sensors can monitor the smoke information inside the off-grid supercharging equipment for hydrogen fuel cells, and the temperature sensors can monitor the temperature of the internal air in the containment space. The fire extinguishing device, temperature sensor, and smoke sensor are all electrically connected to the controller. After the smoke sensor detects a smoke signal, and / or the temperature sensor detects that the temperature rises to a first threshold, the controller can automatically control the fire extinguishing device to work, making the fire extinguishing action more rapid and effective, and providing a guarantee for subsequent fire control.

[0025] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the structure of an off-grid supercharging device for hydrogen fuel cells provided in some embodiments of this application;

[0028] Figure 2 Another structural schematic diagram of the off-grid supercharging device for hydrogen fuel cells provided in some embodiments of this application;

[0029] Figure 3 This application provides schematic diagrams of the structure of an off-grid supercharging device for hydrogen fuel cells, including a protective cover, according to some embodiments of the present application.

[0030] Figure 4 Plan view of the various modules of the off-grid supercharging device for hydrogen fuel cells provided in some embodiments of this application;

[0031] Figure 5 This is a partial schematic diagram of the solid storage module and booster components in an off-grid supercharging device for hydrogen fuel cells provided in some embodiments of this application.

[0032] Icons: 100-Off-grid supercharging equipment for hydrogen fuel cells; 10-Frame; 20-Fuel cell power generation system; 21-Fuel cell system; 22-Charging module; 30-Energy storage battery system; 31-Energy storage battery; 40-Solid-state hydrogen storage system; 41-Solid storage module; 411-Support base; 412-Slot; 42-Lifting assembly; 421-Winder; 422-Auxiliary hanger; 43-Water quick-connect pipe; 44-Hydrogen quick-connect pipe; 50-Shield; 51-Maintenance door; 60-Forced exhaust fan; 61-Fire tank; 62-Video surveillance; 70-First maintenance passage; 71-Second maintenance passage; X-First direction; Y-Second direction; Z-Vertical direction. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0035] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0036] In the description of the embodiments of this application, it should be noted that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of this application is usually placed in when in use. It is only for the convenience of describing this application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this application.

[0037] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up" and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0038] Example

[0039] This application provides an off-grid supercharging device for hydrogen fuel cells. Please refer to... Figures 1 to 5 The off-grid supercharging device 100 for hydrogen fuel cells includes a frame 10, a fuel cell power generation system 20, an energy storage battery system 30, and a solid hydrogen storage system 40. The frame 10 has an accommodating space, in which the fuel cell power generation system 20, the energy storage battery system 30, and the solid hydrogen storage system 40 are all housed. The solid hydrogen storage system 40 is used to supply hydrogen to the fuel cell power generation system 20, and the fuel cell power generation system 20 is electrically connected to the energy storage battery system 30. The fuel cell power generation system 20 includes a fuel cell system 21 and a charging module 22. The fuel cell system 21 is used to generate electrical energy and is electrically connected to the charging module 22. The charging module 22 is used to supply electrical energy to a charging pile (not shown in the figure). The charging module 22, the fuel cell system 21, the energy storage battery system 30, and the solid hydrogen storage system 40 are distributed horizontally within the accommodating space.

[0040] In this solution, the off-grid supercharging device 100 for hydrogen fuel cells includes a fuel cell power generation system 20, an energy storage battery system 30, and a solid-state hydrogen storage system 40. The solid-state hydrogen storage system 40 provides hydrogen to the fuel cell power generation system 20. The fuel cell power generation system 20 is electrically connected to the energy storage battery system 30. The fuel cell power generation system 20 includes a fuel cell system 21 and a charging module 22. The electrical energy generated by the fuel cell system 21 powers the charging module 22, which in turn powers an external charging station. This enables the off-grid supercharging device 100 to provide supercharging power to the charging station. Excess electrical energy generated by the fuel cell system 21 can be stored in the energy storage battery system 30. By distributing the charging module 22, fuel cell system 21, energy storage battery system 30, and solid-state hydrogen storage system 40 horizontally within the storage space, compared to the separate design of the charging module 22 and fuel cell system 21 in the prior art, the off-grid supercharging device 100 for hydrogen fuel cells achieves a higher degree of integration, allowing for overall transportation and assembly, and reducing limitations on operating locations. Furthermore, the charging module 22, fuel cell system 21, energy storage battery system 30, and solid hydrogen storage system 40 are horizontally distributed on the frame 10, with a reasonable spatial layout. Each module is independently designed, ready to be used immediately, and easy and quick to install.

[0041] The overall module size of the off-grid supercharging device 100 for hydrogen fuel cells can be determined according to actual conditions. In this embodiment, the overall module size of the off-grid supercharging device 100 for hydrogen fuel cells is 5.5 meters * 2.2 meters * 2.5 meters. The overall module size of the off-grid supercharging device 100 for hydrogen fuel cells is compatible with the size of the parking space, which can meet the requirements of a single parking space and meets the needs of most scenarios. Video surveillance 62 is installed around the frame 10.

[0042] The energy storage battery system 30 can store excess electrical energy generated by the fuel cell system 21 for use as a backup power source. Understandably, the fuel cell system 21, the charging module 22, and the energy storage battery system 30 are conventional functional modules, and their specific structural composition will not be described in detail here.

[0043] The charging module 22, fuel cell system 21, energy storage battery system 30, and solid hydrogen storage system 40 are horizontally distributed within the accommodating space. These components can be in close contact horizontally. Alternatively, they can be arranged sequentially, in a rectangular array, a circular array, or irregularly. Spacing can exist between the charging module 22, fuel cell system 21, energy storage battery system 30, and solid hydrogen storage system 40, allowing each module to be relatively independent and providing maintenance space.

[0044] In some embodiments, the charging module 22 and the solid hydrogen storage system 40 are respectively distributed on opposite sides of the fuel cell system 21 and the energy storage battery system 30 along a first direction X, and the energy storage battery system 30 and the fuel cell system 21 are spaced apart along a second direction Y; along the first direction X, there is a first gap between the fuel cell system 21 and the solid hydrogen storage system 40 to form a first maintenance channel 70; along the second direction Y, there is a second gap between the fuel cell system 21 and the energy storage battery system 30 to form a second maintenance channel 71, and the first maintenance channel 70 and the second maintenance channel 71 are connected; the first direction X is the length direction of the frame 10, and the second direction Y is the width direction of the frame 10.

[0045] The charging module 22 and the solid hydrogen storage system 40 are distributed along the first direction X on opposite sides of the fuel cell system 21 and the energy storage battery system 30, respectively. The energy storage battery system 30 and the fuel cell system 21 are distributed at intervals along the second direction Y, so that the charging module 22, the fuel cell system 21, the energy storage battery system 30 and the solid hydrogen storage system 40 are horizontally distributed in a rectangular array within the accommodating space of the frame 10. The spatial layout of each module within the frame 10 is reasonable and does not interfere with each other. Furthermore, a first maintenance channel 70 is formed between the fuel cell system 21 and the solid hydrogen storage system 40, and a second maintenance channel 71 is formed between the fuel cell system 21 and the energy storage battery system 30. The first maintenance channel 70 and the second maintenance channel 71 are connected. In this way, during the subsequent inspection and maintenance of the off-grid supercharging equipment 100, it is not necessary to disassemble each module of the off-grid supercharging equipment 100 for maintenance. The staff can directly enter the accommodating space of the frame 10 through the first maintenance channel 70 and the second maintenance channel 71 to carry out maintenance and inspection of the corresponding modules. Maintenance and inspection are more convenient and faster, reducing the maintenance difficulty of the off-grid supercharging equipment 100.

[0046] The first maintenance passage 70 refers to the space between the fuel cell system 21 and the solid hydrogen storage system 40 in the first direction X. The second maintenance passage 71 refers to the space between the fuel cell system 21 and the energy storage battery system 30 in the second direction Y. This space allows personnel to enter and perform maintenance and repairs on the corresponding modules. The width of the space can be 50cm-70cm to allow personnel access.

[0047] In some embodiments, the off-grid supercharging device 100 for hydrogen fuel cells further includes a protective cover 50, which surrounds the frame 10. The protective cover 50 has openable and closable maintenance doors 51 at positions corresponding to the charging module 22, the fuel cell system 21, the energy storage battery system 30, and the solid hydrogen storage system 40. By surrounding the frame 10 with the protective cover 50, the protective cover 50 can effectively seal the outer perimeter of the frame 10 in the off-grid supercharging device for hydrogen fuel cells, thus forming a relatively enclosed space and making the appearance of the off-grid supercharging device 100 for hydrogen fuel cells cleaner. By providing openable and closable maintenance doors 51 in the areas of the protective cover 50 corresponding to the charging module 22, fuel cell system 21, energy storage battery system 30, and solid hydrogen storage system 40, when maintenance and repair of the charging module 22, fuel cell system 21, energy storage battery system 30, and solid hydrogen storage system 40 are required, the staff only needs to open the corresponding maintenance door 51 to carry out maintenance and repair directly. Of course, they can also enter the interior of the accommodating space through the first maintenance channel 70 and the second maintenance channel 71 to complete the maintenance and repair of the corresponding modules of the off-grid supercharging equipment 100 for hydrogen fuel cells.

[0048] The protective cover 50 refers to a enclosure structure that can seal the four sides of the frame 10. The maintenance door 51 is equipped with a handle for easy opening by personnel. The maintenance door 51 is detachably connected to the frame 10, and the maintenance door 51 and the frame 10 can be in a hinged state. When it is necessary to open the maintenance door 51, simply opening the maintenance door 51 outwards will expose at least one of the corresponding charging module 22 and fuel cell system 21, energy storage battery system 30, or solid hydrogen storage system 40 inside the frame 10.

[0049] In some embodiments, the solid hydrogen storage system 40 includes a plurality of solid storage modules 41 for storing hydrogen, the plurality of solid storage modules 41 being arranged at intervals along the second direction Y on the frame 10; the bottom of the solid storage module 41 has a plurality of protruding support seats 411 for contacting the ground, the plurality of support seats 411 being distributed at intervals along the second direction Y, and a slot 412 for inserting a forklift fork arm is formed between two adjacent support seats 411 and the ground.

[0050] By providing multiple support seats 411 protruding from the bottom of the solid storage module 41, the solid storage module 41 contacts the ground through the support seats 411. The weight of the solid storage module 41 does not fall on the frame 10, but rather through the support seats 411 in contact with the ground, reducing the load on the frame 10. Furthermore, the area between two adjacent support seats 411 and the ground forms slots 412 for forklift forks to insert into. When the solid storage module 41 needs to be replaced, it is only necessary to insert the forklift forks into the slots 412 of the two adjacent support seats 411. This allows the solid storage module 41 to be removed horizontally from the frame 10, achieving rapid replacement of the solid storage module 41. Compared to manual replacement, the replacement efficiency of the solid storage module 41 is much higher.

[0051] Of course, the bottom of the frame 10 can be provided with a flange protruding towards the solid fuel storage module 41; along the vertical direction Z, the flange and the bottom surface of the solid fuel storage module 41 are spaced apart. In this way, during the normal operation of the off-grid supercharging device 100 for hydrogen fuel cells, the flange does not contact the bottom of the solid fuel storage module 41. When the off-grid supercharging device 100 for hydrogen fuel cells is hoisted as a whole, the flange can provide support for the bottom of the solid fuel storage module 41, preventing the solid fuel storage module 41 from separating from the frame 10, thus improving the overall integrity.

[0052] In some embodiments, the top of the solid storage module 41 is provided with a first connector for communicating with the hydrogen quick-connect pipe 44 of the fuel cell system 21 and a second connector for communicating with the water quick-connect pipe 43. The first connector is inserted into the hydrogen quick-connect pipe 44, and the second connector is inserted into the water quick-connect pipe 43. The hydrogen quick-connect pipe 44 and the water quick-connect pipe 43 are flexible hoses. A lifting assembly 42 is provided on the frame 10 above the solid storage module 41. The lifting assembly 42 is used to drive the hydrogen quick-connect pipe 44 and the water quick-connect pipe 43 to move vertically in the Z direction. The hydrogen quick-connect tube 44 and the water quick-connect tube 43 are switched between a first position and a second position. When the hydrogen quick-connect tube 44 and the water quick-connect tube 43 are in the first position, the hydrogen quick-connect tube 44 is connected to the first connector, and the water quick-connect tube 43 is connected to the second connector. When the hydrogen quick-connect tube 44 and the water quick-connect tube 43 are in the second position, the hydrogen quick-connect tube 44 is separated from the first connector and is located above the first connector, and the water quick-connect tube 43 is separated from the second connector and is located above the second connector. The first direction X, the second direction Y, and the vertical direction Z are perpendicular to each other.

[0053] By providing a lifting component 42 above the solid storage module 41, the lifting component 42 can drive the hydrogen quick-connect tube 44 and the water quick-connect tube 43 to move vertically in the Z direction, allowing the hydrogen quick-connect tube 44 and the water quick-connect tube 43 to switch between a first position and a second position. In other words, the first and second connectors of the solid storage module 41 are connected to the hydrogen quick-connect tube 44 and the water quick-connect tube 43. When the solid storage module 41 needs to be replaced, only the lifting component 42 is needed to drive the hydrogen quick-connect tube 44 and the water quick-connect tube 43 to switch vertically in the Z direction between the first and second positions, thus achieving rapid separation of the solid storage module 41 from the hydrogen quick-connect tube 44 and the water quick-connect tube 43. This facilitates the forklift-mounted and rapid replacement of the solid storage module 41, improving the replacement efficiency of the solid storage module 41.

[0054] The lifting assembly 42 can be an auxiliary hanger 422 and a driving component. The driving component can be a linear drive mechanism such as a cylinder or a coiler 421. The auxiliary hanger 422 is vertically mounted on the frame 10. The hydrogen quick-connect pipe 44 and the water quick-connect pipe 43 are mounted on the auxiliary hanger 422. The driving component drives the auxiliary hanger 422 to move vertically between a first position and a second position. In this embodiment, the driving component is a coiler 421, which is driven to the auxiliary hanger 422 and can drive the auxiliary hanger 422 to move up and down. Each solid storage module 41 can correspond to a set of lifting assemblies 42, that is, the lifting assembly 42 can drive the hydrogen quick-connect pipe 44 and the water quick-connect pipe 43 on one solid storage module 41 to move up and down. The number of lifting assemblies 42 corresponds one-to-one with the number and position of solid storage modules 41. Of course, multiple solid storage modules 41 can correspond to the same set of lifting components 42, that is, a set of lifting components 42 can simultaneously drive the hydrogen quick-connect pipes 44 and water quick-connect pipes 43 on multiple solid storage modules 41 to move up and down synchronously.

[0055] In this embodiment, each solid storage module 41 can correspond to a set of lifting components 42. That is, the lifting components 42 can drive the hydrogen quick-connect tube 44 and water quick-connect tube 43 on a solid storage module 41 to move up and down. The number of lifting components 42 corresponds one-to-one with the number and position of solid storage modules 41.

[0056] In some embodiments, the energy storage battery system 30 includes an energy storage battery 31 and a battery compartment. The energy storage battery 31 is electrically connected to the fuel cell system 21 and is disposed within the battery compartment. The battery compartment isolates the energy storage battery 31 from the solid-state hydrogen storage system 40 and the fuel cell power generation system 20, respectively. The battery compartment effectively seals the energy storage battery 31, isolating it from both the solid-state hydrogen storage system 40 and the fuel cell power generation system 20, thus enhancing safety.

[0057] The battery compartment can be equipped with a dual fire suppression system using inert gas and water, and an explosion-proof vent valve is installed inside the battery compartment to prevent overpressure.

[0058] In some embodiments, a hydrogen concentration sensor is provided on the frame 10 to monitor the hydrogen concentration in the containment space. By providing a hydrogen concentration sensor on the frame 10, the sensor can monitor the hydrogen concentration in the containment space, effectively monitoring the risk of hydrogen leakage from the off-grid supercharging device 100 for hydrogen fuel cells, and facilitating timely action by staff.

[0059] The number of hydrogen concentration sensors can be set to one or more, depending on the actual situation. When there are multiple hydrogen concentration sensors, these sensors can be distributed at least in the solid-state hydrogen storage system 40 and the area between the solid-state hydrogen storage system 40 and the fuel cell system 21 to effectively monitor hydrogen leakage.

[0060] In some embodiments, a forced exhaust fan 60 is also provided at the top of the frame 10, with the exhaust port of the forced exhaust fan 60 facing the receiving space. By providing a forced exhaust fan 60 at the top of the frame 10 with the exhaust port of the forced exhaust fan 60 facing the receiving space, the air flow rate inside the receiving space can be accelerated, reducing the phenomenon of excessively high local hydrogen concentration and improving the safety of the off-grid supercharging device 100 for hydrogen fuel cells.

[0061] The number of forced exhaust fans 60 can be one or more, and the number and location of the forced exhaust fans 60 can be determined according to the actual situation. In this embodiment, there are two forced exhaust fans 60, which are located above the solid hydrogen storage system 40 and the fuel cell system 21, respectively.

[0062] Furthermore, the control principle of the forced exhaust fan 60 can be set as needed. For example, when the off-grid supercharging device 100 for the hydrogen fuel cell is working, the forced exhaust fan 60 can be in a normally open state. Of course, the forced exhaust fan 60 can also be controlled by the monitoring signal of the hydrogen concentration sensor. When the hydrogen concentration sensor detects that the hydrogen concentration exceeds a set value, the controller can control the forced exhaust fan 60 to work. In this embodiment, the off-grid supercharging device 100 for the hydrogen fuel cell is working, and the forced exhaust fan 60 works synchronously.

[0063] In some embodiments, a fire-fighting assembly is provided on the frame 10. The fire-fighting assembly includes a fire tank 61, fire piping, and a fire extinguishing device. The fire piping is distributed within the containment space, and the fire extinguishing device is connected to the fire tank 61 through the fire piping. The fire extinguishing device is used to spray extinguishing agent into at least one area of ​​the containment space. With the fire-fighting assembly provided on the frame 10, the fire tank 61 storing extinguishing agent, and the fire extinguishing device connected to the fire tank 61 through the fire piping, the fire extinguishing device can spray extinguishing agent into at least one area of ​​the containment space. When a fire occurs in the off-grid supercharging device 100 for hydrogen fuel cells, the fire extinguishing device can control and extinguish the open flame, improving the safety of the off-grid supercharging device 100 for hydrogen fuel cells.

[0064] The fire extinguishing tank 61 contains a fire extinguishing agent, the type of which can be determined according to the actual situation. Furthermore, there can be one or more fire extinguishing tanks 61; this embodiment illustrates a single fire extinguishing tank 61. The fire extinguishing tank 61 is arranged adjacent to the tailrace water collection tank of the fuel cell power generation system 20.

[0065] In some embodiments, the frame 10 is further equipped with a smoke sensor and a temperature sensor. The smoke sensor monitors smoke information in the containment space, and the temperature sensor monitors the temperature information of the air in the containment space. The fire extinguishing device, the temperature sensor, and the smoke sensor are all electrically connected to the controller. The controller controls the fire extinguishing device to operate when the smoke sensor detects a smoke signal and / or the temperature sensor detects a temperature exceeding a first threshold. By providing a smoke sensor and a temperature sensor within the frame 10, the smoke sensor can monitor smoke information inside the off-grid supercharging device 100 for hydrogen fuel cells, and the temperature sensor can monitor the temperature of the air inside the containment space. The fire extinguishing device, the temperature sensor, and the smoke sensor are all electrically connected to the controller. After the smoke sensor detects a smoke signal and / or the temperature sensor detects a temperature rise reaching the first threshold, the controller can automatically control the fire extinguishing device to operate, making the fire extinguishing action faster and more effective, and providing a guarantee for subsequent fire control.

[0066] It should be noted that, where there is no conflict, the features in the embodiments of this application can be combined with each other.

[0067] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An off-grid supercharging device for hydrogen fuel cells, characterized in that, The system includes a frame, a fuel cell power generation system, an energy storage battery system, and a solid-state hydrogen storage system. The frame has an accommodating space, in which the fuel cell power generation system, the energy storage battery system, and the solid-state hydrogen storage system are all disposed. The solid-state hydrogen storage system is used to supply hydrogen to the fuel cell power generation system, and the fuel cell power generation system is electrically connected to the energy storage battery system. The fuel cell power generation system includes a fuel cell system and a charging module. The fuel cell system is used to generate electrical energy. The fuel cell system is electrically connected to the charging module, which is used to provide electrical energy to the charging pile. The charging module, the fuel cell system, the energy storage battery system, and the solid hydrogen storage system are distributed horizontally within the accommodating space.

2. The off-grid supercharging device for hydrogen fuel cells according to claim 1, characterized in that, The charging module and the solid hydrogen storage system are respectively distributed on opposite sides of the fuel cell system and the energy storage battery system along a first direction, and the energy storage battery system and the fuel cell system are distributed at intervals along a second direction; Along the first direction, the fuel cell system and the solid hydrogen storage system have a first distance to form a first maintenance passage; Along the second direction, there is a second distance between the fuel cell system and the energy storage battery system to form a second maintenance passage, and the first maintenance passage communicates with the second maintenance passage; the first direction is the length direction of the frame, and the second direction is the width direction of the frame.

3. The off-grid supercharging device for hydrogen fuel cells according to claim 1, characterized in that, The off-grid supercharging equipment for hydrogen fuel cells also includes: A protective cover is provided around the frame; the protective cover has openable and closable maintenance doors at positions corresponding to the charging module and the fuel cell system, the energy storage battery system and the solid hydrogen storage system.

4. The off-grid supercharging device for hydrogen fuel cells according to claim 2, characterized in that, The solid-state hydrogen storage system includes multiple solid storage modules for storing hydrogen, and the multiple solid storage modules are arranged at intervals along the second direction in the frame; The bottom of the solid storage module has multiple protruding support seats for contacting the ground. The multiple support seats are spaced apart along the second direction, and a slot for inserting a forklift fork arm is formed between two adjacent support seats and the ground.

5. The off-grid supercharging device for hydrogen fuel cells according to claim 4, characterized in that, The top of the solid storage module is provided with a first connector for connecting to the hydrogen quick-connect pipe of the fuel cell system and a second connector for connecting to the water quick-connect pipe. The first connector is inserted into the hydrogen quick-connect pipe and the second connector is inserted into the water quick-connect pipe. The hydrogen quick-connect pipe and the water quick-connect pipe are flexible tubes. The frame includes a lifting assembly above the solid storage module. This assembly drives the hydrogen quick-connect tube and the water quick-connect tube to move vertically, allowing them to switch between a first position and a second position. When the hydrogen and water quick-connect tubes are in the first position, the hydrogen quick-connect tube is connected to the first connector, and the water quick-connect tube is connected to the second connector. When the hydrogen and water quick-connect tubes are in the second position, the hydrogen quick-connect tube is separated from the first connector and positioned above it, and the water quick-connect tube is separated from the second connector and positioned above it. The first direction, the second direction, and the vertical direction are perpendicular to each other.

6. The off-grid supercharging device for hydrogen fuel cells according to claim 1, characterized in that, The energy storage battery system includes an energy storage battery and a battery compartment. The energy storage battery is electrically connected to the fuel cell system and is disposed in the battery compartment. The battery compartment is used to isolate the energy storage battery from the solid hydrogen storage system and the fuel cell power generation system, respectively.

7. The off-grid supercharging device for hydrogen fuel cells according to claim 1, characterized in that, A hydrogen concentration sensor is installed on the frame, which is used to monitor the hydrogen concentration in the containment space.

8. The off-grid supercharging device for hydrogen fuel cells according to claim 1, characterized in that, A forced exhaust fan is also provided at the top of the frame, with the exhaust port of the forced exhaust fan facing the accommodating space.

9. The off-grid supercharging device for hydrogen fuel cells according to claim 1, characterized in that, The frame is equipped with fire-fighting components, which include a fire tank, fire pipelines, and fire extinguishing devices. The fire pipelines are distributed within the containment space, and the fire extinguishing devices are connected to the fire tanks through the fire pipelines. The fire extinguishing devices are used to spray extinguishing agents into at least one area of ​​the containment space.

10. The off-grid supercharging device for hydrogen fuel cells according to claim 9, characterized in that, The frame is also equipped with a smoke sensor and a temperature sensor. The smoke sensor is used to monitor the smoke information in the containment space, and the temperature sensor is used to monitor the temperature information of the air in the containment space. The fire extinguishing device, the smoke sensor, and the temperature sensor are all electrically connected to the controller. The controller is used to control the fire extinguishing device to work when the smoke sensor detects a smoke signal and / or the temperature information detected by the temperature sensor exceeds a first threshold.

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