Multi-module parallel operation structure of hydrogen fuel cell
By using a multi-module parallel structure for hydrogen fuel cells, the energy storage capacity and operational flexibility of hydrogen fuel cells are expanded, solving the problems of limited capacity and inconvenient operation in existing technologies, and making them suitable for use in multiple scenarios.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-04-10
AI Technical Summary
Existing hydrogen fuel cells have limited capacity, making it difficult to meet practical applications and market demands. They are also inconvenient to operate and have limited use.
A multi-module parallel structure for hydrogen fuel cells is designed. By stacking hydrogen fuel cell modules and control modules, and using PU tubes and copper busbars to connect hydrogen, exhaust gas, and electrical energy, the modules can be used flexibly by combining a fixed structure.
It effectively expands the energy storage capacity of hydrogen fuel cells, is easy to operate, adapts to multiple scenarios, and meets practical needs.
Smart Images
Figure CN224110252U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hydrogen fuel cell technical field especially a kind of multi-module parallel machine structure of hydrogen fuel cell. BACKGROUND
[0002] Common mobile backup power supply mainly has two kinds: 1, lithium battery mobile backup power supply, through charging backup power supply, use in emergency;2, solar mobile backup power supply, convert solar energy to electric energy.Lithium battery mobile backup power supply needs to be charged in advance, and use time is limited by battery capacity;And the use of solar mobile backup power supply will be affected by external weather, cannot be used in rainy day and night.
[0003] Hydrogen energy as renewable clean energy, become one of the main development trends of future new energy, hydrogen fuel cell is developed and born, hydrogen fuel cell structure has the characteristics of no pollution, zero emission.
[0004] In prior art, considering the limited capacity of single hydrogen fuel cell, in order to match actual application and market demand, it is necessary to expand energy storage capacity, and consider the convenience and flexibility of actual operation. UTILITY MODEL CONTENT
[0005] To solve the above problems, the application provides a multi-module parallel machine structure of hydrogen fuel cell with reasonable structure, which effectively expands the energy storage capacity of hydrogen fuel cell, and is convenient to operate, high in use flexibility, and can be adapted to multiple scenes.
[0006] The technical scheme adopted by the utility model is as follows:
[0007] A multi-module parallel machine structure of hydrogen fuel cell, comprising one or more than two hydrogen fuel cell modules arranged in sequence, a control module is stacked on the top surface of the hydrogen fuel cell module, and a fixing structure is installed between adjacent hydrogen fuel cell modules and between adjacent hydrogen fuel cell modules and the control module.
[0008] The side surface of each hydrogen fuel cell module is respectively provided with a hydrogen inlet and a tail exhaust outlet, the side surface of the control module is provided with an inlet plug and an outlet plug, and the hydrogen inlet and the tail exhaust outlet of adjacent hydrogen fuel cell modules are respectively connected to the inlet plug and the outlet plug of the upper control module by PU pipes arranged in an up-down manner.
[0009] As a further improvement of the above technical scheme:
[0010] The hydrogen gas inlet and the tail exhaust outlet are respectively in the structure of a three-way pipe, one end of which is communicated with the inside of the hydrogen fuel cell module for hydrogen supply or tail exhaust, and the other two ends are respectively communicated with the upper and lower PU pipes; the inlet plug and the outlet plug on the control module are respectively matched and assembled with the top end structure of the corresponding PU pipe, and the plugging of the top end of the PU pipe is formed.
[0011] The copper bars electrically connected between adjacent hydrogen fuel cell modules and between adjacent hydrogen fuel cell modules and the control module are also included.
[0012] The adapter plate for communication and voltage connection is installed in the middle of the back of the hydrogen fuel cell module, and the adapter plate is provided with a communication port, a positive electrode port and a negative electrode port; the side of the control module is provided with an internal communication interface and an internal input interface, and the internal input interface includes two interfaces corresponding to the positive electrode and the negative electrode; copper bars are respectively installed between the positive electrode port and the negative electrode port of adjacent hydrogen fuel cell modules and between the positive electrode port and the negative electrode port of the hydrogen fuel cell module and the internal input interface of the adjacent control module.
[0013] The copper bars include two rows of copper bars arranged in parallel and spaced apart, and the two ends of each copper bar are fixed by fasteners, and the PU pipes are arranged in parallel and spaced apart on the two sides of the copper bars.
[0014] The control module is provided with a touch display screen and a start switch on the front surface, and the interfaces on the control module, including the inlet plug and the tail exhaust outlet, are arranged on the back surface opposite to the front surface.
[0015] The back surface of the control module is provided with an external output interface, a reserved external input interface, a reserved external communication interface and a charging interface, the external output interface constitutes a total interface of the output power of the hydrogen fuel cell, the reserved external input interface and the reserved external communication interface are used for adapting with external lithium batteries, and the charging interface is used for charging the built-in battery of the control module.
[0016] The back surface of the control module is provided with a safety cover one, and the safety cover one is embedded with a wire protection ring.
[0017] The back surface of the hydrogen fuel cell module is provided with a safety cover two.
[0018] The fixing structure is a U-shaped structure with a lateral opening, and the upper and lower arms parallel to each other in the fixing structure are respectively attached to adjacent modules in the hydrogen fuel cell module and the control module, and are fixed by fasteners.
[0019] Compared with the prior art, the utility model has the following beneficial effects:
[0020] The utility model discloses can according to actual demand, the preset quantity's hydrogen fuel cell module is stacked up and down, with control module, realize hydrogen fuel cell module's parallel machine use, effectively expand the energy storage capacity of hydrogen fuel cell, and convenient operation, use high flexibility, can adapt to the use of multiple scenes;
[0021] The utility model discloses still include following advantages:
[0022] Through stacked up and down, combine fixed structure, realized hydrogen fuel cell module, control module's flexible use, adopt PU pipe realization, satisfy hydrogen fuel cell's hydrogen input, tail row output demand, effectively guarantee hydrogen fuel cell's normal electric energy conversion. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is the schematic diagram of different use mode of the utility model.
[0024] Figure 2 It is the structural schematic diagram of hydrogen fuel cell module, control module stacking of the utility model.
[0025] Figure 3 It is the structural schematic diagram of control module of the utility model.
[0026] Figure 4 It is the rear view of control module of the utility model (omission safety cover one).
[0027] Figure 5 It is the three-dimensional schematic diagram of control module of the utility model after installing safety cover one.
[0028] Figure 6 It is the result schematic diagram of hydrogen fuel cell module of the utility model (omission safety cover two).
[0029] Figure 7 It is the three-dimensional schematic diagram of hydrogen fuel cell module of the utility model after installing safety cover two.
[0030] Wherein: 1, control module;2, hydrogen fuel cell module;3, fixed structure;4, copper row;5, PU pipe;6, touch display screen;7, start switch;8, external output interface;9, internal input interface;10, reserved external input interface;11, internal communication interface;12, reserved external communication interface;13, charging interface;14, import plug;15, export plug;16, safety cover one;17, wire protection ring;18, adapter plate;19, hydrogen import;20, tail row export;21, safety cover two. DETAILED DESCRIPTION
[0031] The specific implementation of the utility model will be explained below in combination with the drawings.
[0032] AsFigure 1 As shown, the multi-module parallel connection structure of the hydrogen fuel cell in this embodiment includes one or more than two hydrogen fuel cell modules 2 arranged in sequence and stacked, and a control module 1 stacked on the top surface of the hydrogen fuel cell modules 2. The fixed structure 3 is installed between adjacent hydrogen fuel cell modules 2 and between adjacent hydrogen fuel cell modules 2 and the control module 1.
[0033] In this embodiment, the preset number of hydrogen fuel cell modules 2 can be stacked up and down according to actual needs, and the control module 1 is used to realize the parallel connection of the hydrogen fuel cell modules 2.
[0034] As shown in Figure 2 , Figure 3 and Figure 4 , the hydrogen inlet 19 and the tail exhaust outlet 20 are arranged on the side surface of the single hydrogen fuel cell module 2, the inlet plug 14 and the outlet plug 15 are arranged on the side surface of the control module 1, and the PU pipe 5 arranged in a vertical manner is connected between the hydrogen inlets 19 of adjacent hydrogen fuel cell modules 2, between the tail exhaust outlets 20, and between the hydrogen inlet 19 of the uppermost hydrogen fuel cell module 2 and the inlet plug 14 of the upper control module 1, and between the tail exhaust outlet 20 and the outlet plug 15.
[0035] In this embodiment, the fixed structure 3 is used to realize the flexible use of the hydrogen fuel cell modules 2 and the control module 1, and the PU pipe 5 is used to realize the hydrogen input and tail exhaust output of the hydrogen fuel cell, thereby effectively ensuring the normal power conversion of the hydrogen fuel cell.
[0036] In this embodiment, the hydrogen inlet 19 and the tail exhaust outlet 20 of each hydrogen fuel cell module 2 are connected by the PU pipe 5, hydrogen is supplied to each hydrogen fuel cell module 2 through the hydrogen inlet 19, and water and excess hydrogen generated after the reaction of the hydrogen fuel cell module 2 are discharged through the tail exhaust outlet 20.
[0037] The hydrogen inlet 19 and the tail exhaust outlet 20 are three-way pipe structures, one end of which is in communication with the inside of the hydrogen fuel cell module 2 for hydrogen supply or tail exhaust, and the other two ends are in communication with the upper and lower PU pipes 5, respectively. The inlet plug 14 and the outlet plug 15 on the control module 1 are matched and assembled with the top end structure of the corresponding PU pipe 5, and the top end of the PU pipe 5 is sealed.
[0038] In this embodiment, the hydrogen inlet 19 and the tail exhaust outlet 20 are provided in a three-way pipe structure, combined with the inlet plug 14 and the outlet plug 15, and the PU pipe 5 is used for installation, thereby realizing the synchronous hydrogen supply and tail exhaust of each hydrogen fuel cell module 2, simplifying the overall structure, and facilitating operation.
[0039] Also included are copper bars 4 electrically connected between adjacent hydrogen fuel cell modules 2 and between adjacent hydrogen fuel cell modules 2 and the control module 1, to provide external power supply for the hydrogen fuel cell.
[0040] As shown in Figure 6 the middle of the back of the hydrogen fuel cell module 2 is mounted with a conversion board 18 for communication and voltage connection, and the conversion board 18 is provided with a communication port, a positive port and a negative port; the control module 1 is provided with an internal communication interface 11 and an internal input interface 9 on the side, and the internal input interface 9 includes two interfaces corresponding to the positive and negative electrodes; copper bars 4 are respectively installed between the positive and negative ports of adjacent hydrogen fuel cell modules 2 and between the positive and negative ports of the hydrogen fuel cell module 2 and the internal input interface 9 of the adjacent control module 1.
[0041] In this embodiment, the control module 1 and each hydrogen fuel cell module 2 can be connected in series between the positive and negative power supplies through the copper bars 4, and the copper bars 4 used for connection can be locked and fixed by fasteners such as bolts.
[0042] In this embodiment, the communication port on the conversion board 18 of the hydrogen fuel cell module 2 can be connected to the internal communication interface 11 of the control module 1 through a cable, which facilitates overall control by the control module 1 after the hydrogen fuel cell is formed.
[0043] The copper bars 4 include two rows of parallel and spaced copper bars, and the two ends of each copper bar 4 are fixed by fasteners. The PU tubes 5 are parallel and spaced on both sides of the copper bars 4.
[0044] In this embodiment, the PU tubes 5 and the copper bars 4 achieve quick connection of gas and electricity when the control module 1 and each hydrogen fuel cell module 2 are stacked and arranged, the overall structure is simple and reasonable, and the layout is convenient for actual operation.
[0045] The control module 1 is provided with a touch display screen 6 and a start switch 7 on the front, the start switch 7 is used to control the start or stop operation of the hydrogen fuel cell, and the touch display screen 6 is used to display the operating parameters of the hydrogen fuel cell; the interfaces on the control module 1, including the inlet plug 14 and the tail exhaust outlet 20, are arranged on the back opposite to the front, and the reasonable layout of the outer shape of the control module 1 facilitates actual use.
[0046] The control module 1 is provided with an external output interface 8, a reserved external input interface 10, a reserved external communication interface 12 and a charging interface 13 on the back, the external output interface 8 constitutes a total interface for the external output power of the hydrogen fuel cell, the reserved external input interface 10 and the reserved external communication interface 12 are used for adaptation with external lithium batteries, and the charging interface 13 is used for charging the built-in battery of the control module 1.
[0047] In the embodiment, by controlling the reserved external input interface 10, the reserved external communication interface 12 reserved on the control module 1, considering the scene requirements, the external lithium battery can be adapted; through the setting of the charging interface 13, in the case that the internal lithium battery of the control module 1 is out of power, the control module 1 itself can be charged through the charging interface 13, so as to guarantee the operation of the control module 1.
[0048] As shown in Figure 5 The back of the control module 1 is provided with a safety cover 16, and the safety cover 16 is embedded with a wire protection ring 17; the safety cover 16 is used to protect the voltage connection components on the control module 1; and the external output interface 8, the reserved external input interface 10, the reserved external communication interface 12, the charging interface 13 and the like can be led out from the wire protection ring 17 through the lead wire when needed.
[0049] As shown in Figure 7 The back of the hydrogen fuel cell module 2 is provided with a safety cover 21, and the safety cover 21 is used to protect the back of the hydrogen fuel cell module 2.
[0050] In the embodiment, the safety cover 21 and the hydrogen fuel cell module 2 are provided with a space for arranging the connection structure of the copper bar 4 and the PU tube 5.
[0051] The fixing structure 3 is a U-shaped structure with a lateral opening, and the upper and lower arms parallel to each other in the fixing structure 3 are respectively attached to the adjacent modules in the hydrogen fuel cell module 2 and the control module 1, and are locked and fixed by using fasteners, so as to fix the structure between the upper and lower modules.
[0052] In the embodiment, the PU tube 5 is a POLYURETHANE TUBING, and the PU tube is a commonly used pneumatic pressure hose.
[0053] In the embodiment, by using the multi-module parallel structure, the operation structure of one control module 1 plus N hydrogen fuel cell modules 2 can be realized, so as to meet the use in multiple scenes.
[0054] The hydrogen fuel cell module 2 in the embodiment can use the existing conventional structure of the hydrogen fuel cell, such as the air-cooled hydrogen fuel cell, and the structure arrangement including the adapter plate 18, the hydrogen inlet 19 and the tail exhaust outlet 20 is performed on the hydrogen fuel cell, so as to facilitate the use of the multi-module parallel structure.
[0055] The utility model can realize the parallel use of the hydrogen fuel cell module, effectively expand the energy storage capacity of the hydrogen fuel cell, and is convenient to operate and has high use flexibility, and can be adapted to multiple scenes.
[0056] The various embodiments are described in the specification by way of progression, each building on the last to facilitate ease of understanding. The same or similar reference numerals are used in the drawings and description to refer to the same or like parts, components and operations.
[0057] The above description is an explanation of the present application, not a limitation of the present application, the scope of the present application is defined in the claims, within the protection scope of the present application, any form of modification can be made.
Claims
1. A multi-module parallel operation structure for a hydrogen fuel cell, characterized in that: The application relates to a hydrogen fuel cell module (2) and a control module (1) which are stacked in sequence, and a fixing structure (3) is arranged between the hydrogen fuel cell modules (2) and between the hydrogen fuel cell modules (2) and the control module (1). The hydrogen fuel cell module (2) is provided with a hydrogen inlet (19) and a tail discharge outlet (20) on the side, the control module (1) is provided with an inlet plug (14) and an outlet plug (15) on the side, and the hydrogen inlets (19) and the tail discharge outlets (20) of the adjacent hydrogen fuel cell modules (2) and the hydrogen inlet (19) and the tail discharge outlet (20) of the uppermost hydrogen fuel cell module (2) and the control module (1) are respectively connected with the upper and lower PU pipes (5).
2. The multi-module parallel connection structure of a hydrogen fuel cell according to claim 1, wherein: The hydrogen inlet (19) and the tail discharge outlet (20) are both three-way pipe structures, one end of which is communicated with the hydrogen fuel cell module (2) for hydrogen supply or tail discharge, and the other two ends are respectively communicated with the upper and lower PU pipes (5); the inlet plug (14) and the outlet plug (15) of the control module (1) are respectively connected with the top end structure of the corresponding PU pipe (5) and form the plugging of the top end of the PU pipe (5).
3. The multi-module parallel connection structure of a hydrogen fuel cell according to claim 1, wherein: The application further comprises a copper bar (4) which is electrically connected between the adjacent hydrogen fuel cell modules (2) and between the hydrogen fuel cell modules (2) and the control module (1).
4. A multi-module parallel connection structure of a hydrogen fuel cell according to claim 3, wherein: The hydrogen fuel cell module (2) is provided with a communication port, a positive electrode port and a negative electrode port on the adapter plate (18) arranged in the middle of the back surface of the hydrogen fuel cell module (2) for communication and voltage connection; the control module (1) is provided with an internal communication interface (11) and an internal input interface (9) on the side, and the internal input interface (9) comprises two interfaces corresponding to the positive electrode and the negative electrode; the copper bar (4) is arranged between the positive electrode port and the negative electrode port of the adjacent hydrogen fuel cell modules (2) and between the positive electrode port and the negative electrode port of the hydrogen fuel cell module (2) and the internal input interface (9) of the adjacent control module (1).
5. A multi-module parallel connection structure of a hydrogen fuel cell according to claim 4, wherein: The copper bar (4) comprises two rows which are arranged in parallel and are spaced apart from each other, and the two ends of the copper bar (4) are fixed by fasteners, and the PU pipes (5) are arranged in parallel and are spaced apart from each other on the two sides of the copper bar (4).
6. The multi-module parallel connection structure of a hydrogen fuel cell according to claim 1, wherein: The control module (1) is provided with a touch display screen (6) and a starting switch (7) on the front surface, and all the interfaces of the control module (1) including the inlet plug (14) and the tail discharge outlet (20) are arranged on the back surface opposite to the front surface.
7. A multi-module parallel connection structure of a hydrogen fuel cell according to claim 6, wherein: The control module (1) is provided with an external output interface (8), a reserved external input interface (10), a reserved external communication interface (12) and a charging interface (13) on the back surface, the external output interface (8) constitutes a total interface of the output power of the hydrogen fuel cell, the reserved external input interface (10) and the reserved external communication interface (12) are used for adapting to external lithium batteries, and the charging interface (13) is used for charging the built-in battery of the control module (1).
8. The multi-module parallel connection structure of a hydrogen fuel cell according to claim 6, wherein: The back of the control module (1) is provided with a safety cover (16), and the safety cover (16) is embedded with a coil protection cover (17).
9. The multi-module parallel connection structure of a hydrogen fuel cell according to claim 1, wherein: The back of the hydrogen fuel cell module (2) is provided with a safety cover (21).
10. The multi-module parallel connection structure of a hydrogen fuel cell according to claim 1, wherein: The fixing structure (3) is a U-shaped structure with a lateral opening, and the upper and lower arms parallel to each other in the fixing structure (3) are respectively attached to adjacent modules in the hydrogen fuel cell module (2) and the control module (1), and are locked and fixed by fasteners.