CN219677295U - Fuel cell stack distribution device and fuel cell stack system - Google Patents
Fuel cell stack distribution device and fuel cell stack system Download PDFInfo
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- CN219677295U CN219677295U CN202320596483.0U CN202320596483U CN219677295U CN 219677295 U CN219677295 U CN 219677295U CN 202320596483 U CN202320596483 U CN 202320596483U CN 219677295 U CN219677295 U CN 219677295U
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- cell stack
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- 239000000446 fuel Substances 0.000 title claims abstract description 140
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 184
- 239000001257 hydrogen Substances 0.000 claims abstract description 137
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 137
- 239000000110 cooling liquid Substances 0.000 claims abstract description 126
- 239000002826 coolant Substances 0.000 claims description 37
- 238000004891 communication Methods 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 21
- 230000007704 transition Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The utility model discloses a fuel cell stack distribution device and a fuel cell stack system, wherein the fuel cell stack distribution device comprises: the first distribution module is provided with a first hydrogen flow passage, a first cooling liquid flow passage and a first air flow passage, and a first side of the first distribution module is provided with a hydrogen inlet communicated with the first hydrogen flow passage, a cooling liquid outlet communicated with the first cooling liquid flow passage and an air outlet communicated with the first air flow passage; and the second distribution module is provided with a second hydrogen flow passage, a second cooling liquid flow passage and a second air flow passage, and the first side of the second distribution module is provided with a hydrogen outlet communicated with the second hydrogen flow passage, a cooling liquid inlet communicated with the second cooling liquid flow passage and an air inlet communicated with the second air flow passage. In the fuel cell stack distribution device, through integrating each runner in the first distribution module and the second distribution module, a complex rubber tube is not required to be used, and the structure is compact and the occupied space is small.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to a fuel cell stack distribution device and a fuel cell stack system.
Background
Along with the rapid development of modern technology, the demands of customers are also continuously improved, and the fuel cell stacks required by customers are as small as possible and have comprehensive functions, so that the fuel cell stacks are also developing towards high modularization and integration.
The traditional fuel cell pile is connected by rubber pipes, and the rubber pipes are used for separate assembly, so that the appearance is affected, the structure is loose, and the required occupied space is large.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a fuel cell stack distribution device which has a compact structure and is beneficial to reducing the occupied space.
The utility model also provides a fuel cell stack system with the fuel cell stack distribution device.
An embodiment of a fuel cell stack distribution device according to a first aspect of the present utility model includes: the first distribution module is provided with a first hydrogen flow passage, a first cooling liquid flow passage and a first air flow passage, wherein the first hydrogen flow passage is provided with a hydrogen input port, the first cooling liquid flow passage is provided with a cooling liquid output port, the first air flow passage is provided with an air output port, and a first side of the first distribution module is provided with a hydrogen stack inlet communicated with the first hydrogen flow passage, a cooling liquid stack outlet communicated with the first cooling liquid flow passage and an air stack outlet communicated with the first air flow passage; the second distribution module is provided with a second hydrogen flow passage, a second cooling liquid flow passage and a second air flow passage, the second hydrogen flow passage is provided with a hydrogen output port, the second cooling liquid flow passage is provided with a cooling liquid input port, the second air flow passage is provided with an air input port, and the first side of the second distribution module is provided with a hydrogen stack outlet communicated with the second hydrogen flow passage, a cooling liquid stack inlet communicated with the second cooling liquid flow passage and an air stack inlet communicated with the second air flow passage;
the hydrogen gas inlet is used for being communicated with a hydrogen inlet of the fuel cell stack, the cooling liquid inlet is used for being communicated with a liquid inlet of the fuel cell stack, the air inlet is used for being communicated with an air inlet of the fuel cell stack, the hydrogen gas outlet is used for being communicated with a hydrogen outlet of the fuel cell stack, the cooling liquid outlet is used for being communicated with a liquid outlet of the fuel cell stack, and the air outlet is used for being communicated with an air outlet of the fuel cell stack.
The fuel cell stack distribution device provided by the embodiment of the utility model has at least the following beneficial effects:
in the fuel cell stack distribution device, the first distribution module and the second distribution module are both used for being fixed on a fuel cell stack, the hydrogen gas inlet is used for being communicated with a hydrogen inlet of the fuel cell stack, the cooling liquid inlet is used for being communicated with a liquid inlet of the fuel cell stack, the air inlet is used for being communicated with an air inlet of the fuel cell stack, the hydrogen gas outlet is used for being communicated with a hydrogen outlet of the fuel cell stack, the cooling liquid outlet is used for being communicated with a liquid outlet of the fuel cell stack, and the air outlet is used for being communicated with an air outlet of the fuel cell stack. The hydrogen enters the first hydrogen flow passage through the hydrogen input port, then enters the fuel cell stack through the hydrogen stack inlet, then enters the second hydrogen flow passage through the hydrogen stack outlet, and then is discharged from the hydrogen output port; the cooling liquid enters the second cooling liquid flow channel through the cooling liquid input port, then enters the fuel cell stack through the cooling liquid inlet, then enters the first cooling liquid flow channel through the cooling liquid outlet, and then is discharged from the cooling liquid output port; air enters the second air flow channel through the air input port, then enters the fuel cell stack through the air stack inlet, then enters the first air flow channel through the air stack outlet, and then is discharged from the air output port. In the fuel cell stack distribution device, through integrating each runner in the first distribution module and the second distribution module, a complex rubber tube is not required to be used, and the fuel cell stack distribution device is compact in structure and small in occupied space.
According to some embodiments of the utility model, the first hydrogen flow channel, the first coolant flow channel, and the first air flow channel are arranged in parallel and spaced apart, and the hydrogen input port, the coolant output port, and the air output port are all located on the second side of the first distribution module.
According to some embodiments of the utility model, the hydrogen gas inlet, the coolant outlet and the air outlet are spaced apart along a line on the first side of the first distribution module.
According to some embodiments of the utility model, the first distribution module comprises a first baffle and a first mounting plate detachably disposed on one side of the first baffle;
the first hydrogen flow passage, the first cooling liquid flow passage and the first air flow passage are all arranged on the first guide plate, and the hydrogen gas inlet, the cooling liquid outlet and the air outlet are all arranged on the first mounting plate.
According to some embodiments of the utility model, a first hydrogen communication channel for communicating the first hydrogen flow channel with the hydrogen stack inlet, a first cooling liquid communication channel for communicating the first cooling liquid flow channel with the cooling liquid stack outlet, and a first air communication channel for communicating the first air flow channel with the air stack outlet are arranged on one side of the first guide plate close to the first mounting plate.
According to some embodiments of the utility model, the second hydrogen flow channel, the second coolant flow channel, and the second air flow channel are arranged in parallel and spaced apart, and the hydrogen output port, the coolant input port, and the air input port are all located on the second side of the second distribution module.
According to some embodiments of the utility model, the hydrogen gas outlet, the coolant inlet and the air inlet are spaced apart along a line on the first side of the second module.
According to some embodiments of the utility model, the second distribution module includes a second baffle and a second mounting plate detachably disposed on one side of the second baffle;
the second hydrogen flow channel, the second cooling liquid flow channel and the second air flow channel are all arranged on the second guide plate, and the hydrogen outlet, the cooling liquid inlet and the air inlet are all arranged on the second mounting plate.
According to some embodiments of the utility model, a second hydrogen communication channel for communicating the second hydrogen flow channel with the hydrogen stack outlet, a second cooling liquid communication channel for communicating the second cooling liquid flow channel with the cooling liquid stack inlet, and a second air communication channel for communicating the second air flow channel with the air stack inlet are arranged on one side of the second guide plate close to the second mounting plate.
A fuel cell stack system according to an embodiment of the second aspect of the present utility model includes: a fuel cell stack, and a fuel cell stack distribution device as described above, the first distribution module and the second distribution module being both fixed to the fuel cell stack;
the hydrogen gas inlet is communicated with the hydrogen inlet of the fuel cell stack, the cooling liquid inlet is communicated with the liquid inlet of the fuel cell stack, the air inlet is communicated with the air inlet of the fuel cell stack, the hydrogen gas outlet is communicated with the hydrogen outlet of the fuel cell stack, the cooling liquid outlet is communicated with the liquid outlet of the fuel cell stack, and the air outlet is communicated with the air outlet of the fuel cell stack.
The fuel cell stack system according to the embodiment of the utility model has at least the following beneficial effects:
in the fuel cell stack system, the first distribution module and the second distribution module are both used for being fixed on a fuel cell electric push, the hydrogen gas inlet is used for being communicated with a hydrogen inlet of the fuel cell stack, the cooling liquid inlet is used for being communicated with a liquid inlet of the fuel cell stack, the air inlet is used for being communicated with an air inlet of the fuel cell stack, the hydrogen gas outlet is used for being communicated with a hydrogen outlet of the fuel cell stack, the cooling liquid outlet is used for being communicated with a liquid outlet of the fuel cell stack, and the air outlet is used for being communicated with an air outlet of the fuel cell stack. The hydrogen enters the first hydrogen flow passage through the hydrogen input port, then enters the fuel cell stack through the hydrogen stack inlet, then enters the second hydrogen flow passage through the hydrogen stack outlet, and then is discharged from the hydrogen output port; the cooling liquid enters the second cooling liquid flow channel through the cooling liquid input port, then enters the fuel cell stack through the cooling liquid inlet, then enters the first cooling liquid flow channel through the cooling liquid outlet, and then is discharged from the cooling liquid output port; air enters the second air flow channel through the air input port, then enters the fuel cell stack through the air stack inlet, then enters the first air flow channel through the air stack outlet, and then is discharged from the air output port. In the fuel cell stack distribution device, through integrating each runner in the first distribution module and the second distribution module, a complex rubber tube is not required to be used, and the fuel cell stack distribution device is compact in structure and small in occupied space.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic view showing a structure of a fuel cell stack distribution device according to an embodiment of the present utility model;
FIG. 2 is a schematic view of an exploded view of a fuel cell stack distribution device according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a first distribution module according to an embodiment of the present utility model;
FIG. 4 is a schematic cross-sectional view of a first dispensing module according to one embodiment of the utility model;
FIG. 5 is a schematic diagram of a second distribution module according to an embodiment of the present utility model;
fig. 6 is a schematic cross-sectional view of a second distribution module according to an embodiment of the present utility model.
Reference numerals:
100. a first distribution module; 110. a first deflector; 111. a first hydrogen flow path; 1111. a hydrogen gas inlet; 112. a first coolant flow passage; 1121. a cooling liquid outlet; 113. a first air flow passage; 1131. an air outlet; 114. a first hydrogen communication passage; 115. a first cooling liquid communication passage; 116. a first air communication passage; 120. a first mounting plate; 121. a hydrogen gas inlet; 122. a cooling liquid outlet; 123. an air outlet;
200. a second distribution module; 210. a second deflector; 211. a second hydrogen flow path; 2111. a hydrogen gas outlet; 212. a second coolant flow passage; 2121. a cooling liquid inlet; 213. a second air flow passage; 2131. an air inlet; 214. a second hydrogen communication passage; 215. a second cooling liquid communication passage; 216. a second air communication passage; 220. a second mounting plate; 221. a hydrogen gas outlet; 222. a cooling liquid inlet; 223. an air inlet;
300. a first joint;
400. and a second joint.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, a fuel cell stack distribution device according to an embodiment of the present utility model includes a first distribution module 100 and a second distribution module 200.
Referring to fig. 2, 3 and 4, the first distribution module 100 is provided with a first hydrogen flow channel 111, a first cooling liquid flow channel 112 and a first air flow channel 113, the first hydrogen flow channel 111 is provided with a hydrogen input port 1111, the first cooling liquid flow channel 112 is provided with a cooling liquid output port 1121, the first air flow channel 113 is provided with an air output port 1131, and a first side of the first distribution module 100 is provided with a hydrogen inlet stack port 121 communicated with the first hydrogen flow channel 111, a cooling liquid outlet stack port 122 communicated with the first cooling liquid flow channel 112 and an air outlet stack port 123 communicated with the first air flow channel 113.
The second distribution module 200 is provided with a second hydrogen flow passage 211, a second cooling liquid flow passage 212 and a second air flow passage 213, the second hydrogen flow passage 211 is provided with a hydrogen output port 2111, the second cooling liquid flow passage 212 is provided with a cooling liquid input port 2121, the second air flow passage 213 is provided with an air input port 2131, and a first side of the second distribution module 200 is provided with a hydrogen gas stack outlet 221 communicated with the second hydrogen flow passage 211, a cooling liquid stack inlet 222 communicated with the second cooling liquid flow passage 212 and an air stack inlet 223 communicated with the second air flow passage 213.
The hydrogen gas inlet 121 is used for communicating with a hydrogen inlet of the fuel cell stack, the cooling liquid inlet 222 is used for communicating with a liquid inlet of the fuel cell stack, the air inlet 223 is used for communicating with an air inlet of the fuel cell stack, the hydrogen gas outlet 221 is used for communicating with a hydrogen outlet of the fuel cell stack, the cooling liquid outlet 122 is used for communicating with a liquid outlet of the fuel cell stack, and the air outlet 123 is used for communicating with an air outlet of the fuel cell stack.
In the fuel cell stack distribution device of the present utility model, the first distribution module 100 and the second distribution module 200 are both used for being fixed on a fuel cell stack, the hydrogen gas inlet 121 is used for being communicated with a hydrogen inlet of the fuel cell stack, the cooling liquid inlet 222 is used for being communicated with a liquid inlet of the fuel cell stack, the air inlet 223 is used for being communicated with an air inlet of the fuel cell stack, the hydrogen gas outlet 221 is used for being communicated with a hydrogen outlet of the fuel cell stack, the cooling liquid outlet 122 is used for being communicated with a liquid outlet of the fuel cell stack, and the air outlet 123 is used for being communicated with an air outlet of the fuel cell stack. Wherein, hydrogen enters the first hydrogen flow channel 111 through the hydrogen input port 1111, then enters the fuel cell stack through the hydrogen inlet 121, then enters the second hydrogen flow channel 211 through the hydrogen outlet 221, and then is discharged from the hydrogen output port 2111; the cooling liquid enters the second cooling liquid flow channel 212 through the cooling liquid inlet 2121, then enters the fuel cell stack through the cooling liquid inlet 222, then enters the first cooling liquid flow channel 112 through the cooling liquid outlet 122, and then is discharged from the cooling liquid outlet 1121; air enters the second air flow channel 213 through the air input 2131, then enters the fuel cell stack through the air input 223, then enters the first air flow channel 113 through the air output 123, and then exits through the air output 1131. In the fuel cell stack distribution device, the first distribution module 100 and the second distribution module 200 are integrated with each runner, so that a complex rubber tube is not required, the structure is compact, and the occupied space is small.
As shown in fig. 4, in one embodiment, the first hydrogen flow channel 111, the first cooling liquid flow channel 112 and the first air flow channel 113 are arranged in parallel and spaced apart, and the hydrogen input port 1111, the cooling liquid output port 1121 and the air output port 1131 are all located on the second side of the first distribution module 100.
It can be understood that the first hydrogen flow channel 111, the first cooling liquid flow channel 112 and the first air flow channel 113 are arranged in parallel and at intervals, which is favorable for manufacturing each flow channel, and the three flow channels are arranged in parallel and at intervals, so that the structure is compact and the occupied space is small. The hydrogen gas inlet 1111, the coolant outlet 1121, and the air outlet 1131 are the ends of the first hydrogen gas flow passage 111, the first coolant flow passage 112, and the first air flow passage 113, respectively.
Wherein the first side of the first distribution module 100 and the second side of the first distribution module 100 are adjacent sides.
Further, as shown in fig. 1, the second side of the first dispensing module 100 is provided with a first joint 300.
Further, as shown in fig. 2, the hydrogen gas inlet 121, the coolant outlet 122, and the air outlet 123 are arranged at a line spacing on the first side of the first distribution module 100.
It will be appreciated that the hydrogen gas inlet 121, the coolant outlet 122 and the air outlet 123 are arranged along a line on the first side of the first distribution module 100, and the hydrogen gas inlet, the liquid outlet and the air outlet of the fuel cell stack are also arranged in a line, which is advantageous for assembling the first distribution module 100 to the fuel cell stack.
As shown in fig. 2 to 4, in one embodiment, the first distribution module 100 includes a first baffle 110 and a first mounting plate 120, the first mounting plate 120 being detachably disposed at one side of the first baffle 110; the first hydrogen flow channel 111, the first cooling liquid flow channel 112 and the first air flow channel 113 are all arranged on the first guide plate 110, and the hydrogen gas inlet 121, the cooling liquid outlet 122 and the air outlet 123 are arranged on the first mounting plate 120.
The first mounting plate 120 is used to be fixed on the fuel cell stack, and enables the hydrogen gas inlet 121, the cooling liquid outlet 122 and the air outlet 123 to be communicated with the fuel cell stack.
The first baffle 110 is detachably connected with the first mounting plate 120, that is, the first baffle 110 and the first mounting plate 120 may be manufactured separately, which is advantageous for processing the components.
It should be noted that, the first baffle 110 and the first mounting plate 120 may be connected by bolts and/or snaps.
Further, a first hydrogen communication channel 114 for communicating the first hydrogen flow channel 111 with the hydrogen inlet 121, a first cooling liquid communication channel 115 for communicating the first cooling liquid flow channel 112 with the cooling liquid outlet 122, and a first air communication channel 116 for communicating the first air flow channel 113 with the air outlet 123 are provided on a side of the first baffle 110 near the first mounting plate 120.
It is understood that the first hydrogen flow channel 111, the first cooling liquid flow channel 112 and the first air flow channel 113 are arranged in parallel and spaced apart along the transverse direction, and the hydrogen gas inlet stack opening 121, the cooling liquid outlet stack opening 122 and the air outlet stack opening 123 are arranged in spaced apart along the vertical direction at the first side of the first distribution module 100. The first hydrogen communication passage 114 may serve as a transition function to communicate the first hydrogen flow passage 111 with the hydrogen gas inlet 121; the first coolant communication channel 115 may serve a transitional function to communicate the first coolant flow passage 112 with the coolant stack outlet 122; the first air communication passage 116 may serve as a transition to communicate the first air flow passage 113 with the air stack outlet 123.
As shown in fig. 2, 5 and 6, in one embodiment, the second hydrogen flow channel 211, the second cooling liquid flow channel 212 and the second air flow channel 213 are arranged in parallel and spaced apart, and the hydrogen output port 2111, the cooling liquid input port 2121 and the air input port 2131 are all located on the second side of the second distribution module 200.
It can be understood that the second hydrogen flow channel 211, the second cooling liquid flow channel 212 and the second air flow channel 213 are arranged in parallel and at intervals, which is favorable for manufacturing the flow channels, and the three flow channels are arranged in parallel and at intervals, so that the structure is compact and the occupied space is small. The hydrogen gas outlet 2111, the coolant inlet 2121, and the air inlet 2131 are end portions of the second hydrogen gas flow path 211, the second coolant flow path 212, and the second air flow path 213, respectively.
Wherein the first side of the second distribution module 200 and the second side of the second distribution module 200 are adjacent two sides.
Further, as shown in fig. 1, the second side of the second distribution module 200 is provided with a second joint 400.
As shown in fig. 2, 5 and 6, further, the hydrogen gas outlet 221, the coolant inlet 222 and the air inlet 223 are arranged at a first side of the second distribution module 200 along a straight line.
It will be appreciated that the hydrogen gas outlet 221, the coolant inlet 222, and the air inlet 223 are disposed along a line on the first side of the second distribution module 200, and the hydrogen gas outlet, the coolant inlet, and the air inlet of the fuel cell stack are also disposed along a line, which is advantageous for assembling the second distribution module 200 to the fuel cell stack.
In one embodiment, the second distribution module 200 includes a second baffle 210 and a second mounting plate 220, and the second mounting plate 220 is detachably disposed on one side of the second baffle 210; the second hydrogen flow channel 211, the second cooling liquid flow channel 212 and the second air flow channel 213 are all disposed on the second guide plate 210, and the hydrogen outlet 221, the cooling liquid inlet 222 and the air inlet 223 are disposed on the second mounting plate 220.
The second mounting plate 220 is used to be fixed on the fuel cell stack, and enables the hydrogen gas outlet 221, the cooling liquid inlet 222 and the air inlet 223 to be communicated with the fuel cell stack.
The second baffle 210 is detachably connected to the second mounting plate 220, that is, the second baffle 210 and the second mounting plate 220 may be manufactured separately, which is advantageous for the processing of each component.
It should be noted that, the second baffle 210 and the second mounting plate 220 may be connected by bolts and/or snaps.
Further, a second hydrogen communication channel 214 for communicating the second hydrogen flow channel 211 with the hydrogen outlet 221, a second cooling liquid communication channel 215 for communicating the second cooling liquid flow channel 212 with the cooling liquid inlet 222, and a second air communication channel 216 for communicating the second air flow channel 213 with the air inlet 223 are provided on a side of the second baffle 210 near the second mounting plate 220.
It is understood that the second hydrogen flow channel 211, the second cooling liquid flow channel 212 and the second air flow channel 213 are arranged in parallel and spaced apart along the transverse direction, and the hydrogen gas outlet 221, the cooling liquid inlet 222 and the air inlet 223 are arranged in spaced apart along the vertical direction at the first side of the second distribution module 200. The second hydrogen communication passage 214 may serve as a transition function to communicate the second hydrogen flow passage 211 with the hydrogen stack outlet 221; the second coolant communication passage 215 may serve as a transition to communicate the second coolant flow passage 212 with the coolant inlet port 222; the second air communication passage 216 may serve as a transition to communicate the second air flow passage 213 with the air inlet 223.
The utility model also relates to a fuel cell stack system comprising: the fuel cell stack and the fuel cell stack distribution device, for example, the first distribution module 100 and the second distribution module 200 are fixed on the fuel cell stack; the hydrogen gas inlet 121 is communicated with the hydrogen inlet of the fuel cell stack, the cooling liquid inlet 222 is communicated with the liquid inlet of the fuel cell stack, the air inlet 223 is communicated with the air inlet of the fuel cell stack, the hydrogen gas outlet 221 is communicated with the hydrogen outlet of the fuel cell stack, the cooling liquid outlet 122 is communicated with the liquid outlet of the fuel cell stack, and the air outlet 123 is communicated with the air outlet of the fuel cell stack.
In the fuel cell stack system of the present utility model, the first distribution module 100 and the second distribution module 200 are both used for being fixed on a fuel cell stack, and the hydrogen gas inlet 121 is used for being communicated with a hydrogen inlet of the fuel cell stack, the cooling liquid inlet 222 is used for being communicated with a liquid inlet of the fuel cell stack, the air inlet 223 is used for being communicated with an air inlet of the fuel cell stack, the hydrogen gas outlet 221 is used for being communicated with a hydrogen outlet of the fuel cell stack, the cooling liquid outlet 122 is used for being communicated with a liquid outlet of the fuel cell stack, and the air outlet 123 is used for being communicated with an air outlet of the fuel cell stack. Wherein, hydrogen enters the first hydrogen flow channel 111 through the hydrogen input port 1111, then enters the fuel cell stack through the hydrogen inlet 121, then enters the second hydrogen flow channel 211 through the hydrogen outlet 221, and then is discharged from the hydrogen output port 2111; the cooling liquid enters the second cooling liquid flow channel 212 through the cooling liquid inlet 2121, then enters the fuel cell stack through the cooling liquid inlet 222, then enters the first cooling liquid flow channel 112 through the cooling liquid outlet 122, and then is discharged from the cooling liquid outlet 1121; air enters the second air flow channel 213 through the air input 2131, then enters the fuel cell stack through the air input 223, then enters the first air flow channel 113 through the air output 123, and then exits through the air output 1131. In the fuel cell stack distribution device, the first distribution module 100 and the second distribution module 200 are integrated with each runner, so that a complex rubber tube is not required, the structure is compact, and the occupied space is small.
As shown in fig. 1, the number of the fuel cell stacks may be two, and the two fuel cell stacks are stacked, and the hydrogen inlet 121, the coolant outlet 122, and the air outlet 123 of the first distribution module 100 are two, and the hydrogen outlet 221, the coolant inlet 222, and the air inlet 223 of the second distribution module 200 are two.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A fuel cell stack distribution device, characterized by comprising:
the first distribution module is provided with a first hydrogen flow passage, a first cooling liquid flow passage and a first air flow passage, wherein the first hydrogen flow passage is provided with a hydrogen input port, the first cooling liquid flow passage is provided with a cooling liquid output port, the first air flow passage is provided with an air output port, and a first side of the first distribution module is provided with a hydrogen stack inlet communicated with the first hydrogen flow passage, a cooling liquid stack outlet communicated with the first cooling liquid flow passage and an air stack outlet communicated with the first air flow passage; and
the second distribution module is provided with a second hydrogen flow passage, a second cooling liquid flow passage and a second air flow passage, the second hydrogen flow passage is provided with a hydrogen output port, the second cooling liquid flow passage is provided with a cooling liquid input port, the second air flow passage is provided with an air input port, and the first side of the second distribution module is provided with a hydrogen stack outlet communicated with the second hydrogen flow passage, a cooling liquid stack inlet communicated with the second cooling liquid flow passage and an air stack inlet communicated with the second air flow passage;
the hydrogen gas inlet is used for being communicated with a hydrogen inlet of the fuel cell stack, the cooling liquid inlet is used for being communicated with a liquid inlet of the fuel cell stack, the air inlet is used for being communicated with an air inlet of the fuel cell stack, the hydrogen gas outlet is used for being communicated with a hydrogen outlet of the fuel cell stack, the cooling liquid outlet is used for being communicated with a liquid outlet of the fuel cell stack, and the air outlet is used for being communicated with an air outlet of the fuel cell stack.
2. The fuel cell stack distribution device according to claim 1, wherein the first hydrogen flow path, the first coolant flow path, and the first air flow path are juxtaposed and spaced apart, and the hydrogen input port, the coolant output port, and the air output port are all located on the second side of the first distribution module.
3. The fuel cell stack distribution device according to claim 2, wherein the hydrogen gas inlet, the coolant outlet and the air outlet are arranged along a line at the first side of the first distribution module.
4. The fuel cell stack distribution device according to claim 1, wherein the first distribution module includes a first baffle plate and a first mounting plate detachably provided to one side of the first baffle plate;
the first hydrogen flow passage, the first cooling liquid flow passage and the first air flow passage are all arranged on the first guide plate, and the hydrogen gas inlet, the cooling liquid outlet and the air outlet are all arranged on the first mounting plate.
5. The fuel cell stack distribution device according to claim 4, wherein a side of the first baffle plate, which is close to the first mounting plate, is provided with a first hydrogen communication channel for communicating the first hydrogen flow channel with the hydrogen stack inlet, a first coolant communication channel for communicating the first coolant flow channel with the coolant stack outlet, and a first air communication channel for communicating the first air flow channel with the air stack outlet.
6. The fuel cell stack distribution device according to claim 1, wherein the second hydrogen flow path, the second coolant flow path, and the second air flow path are juxtaposed and spaced apart, and the hydrogen output port, the coolant input port, and the air input port are all located on the second side of the second distribution module.
7. The fuel cell stack distribution device according to claim 6, wherein the hydrogen gas outlet, the coolant inlet and the air inlet are arranged along a line at the first side of the second distribution module.
8. The fuel cell stack distribution device according to claim 1, wherein the second distribution module includes a second baffle plate and a second mounting plate detachably provided to one side of the second baffle plate;
the second hydrogen flow channel, the second cooling liquid flow channel and the second air flow channel are all arranged on the second guide plate, and the hydrogen outlet, the cooling liquid inlet and the air inlet are all arranged on the second mounting plate.
9. The fuel cell stack distribution device according to claim 8, wherein a second hydrogen communication passage for communicating the second hydrogen flow passage with the hydrogen stack outlet, a second coolant communication passage for communicating the second coolant flow passage with the coolant inlet, and a second air communication passage for communicating the second air flow passage with the air inlet are provided on a side of the second baffle plate adjacent to the second mounting plate.
10. A fuel cell stack system, comprising: a fuel cell stack, and a fuel cell stack distribution device according to any one of the preceding claims 1 to 9, the first distribution module and the second distribution module being both fixed to the fuel cell stack;
the hydrogen gas inlet is communicated with the hydrogen inlet of the fuel cell stack, the cooling liquid inlet is communicated with the liquid inlet of the fuel cell stack, the air inlet is communicated with the air inlet of the fuel cell stack, the hydrogen gas outlet is communicated with the hydrogen outlet of the fuel cell stack, the cooling liquid outlet is communicated with the liquid outlet of the fuel cell stack, and the air outlet is communicated with the air outlet of the fuel cell stack.
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| CN202320596483.0U CN219677295U (en) | 2023-03-22 | 2023-03-22 | Fuel cell stack distribution device and fuel cell stack system |
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| CN202320596483.0U CN219677295U (en) | 2023-03-22 | 2023-03-22 | Fuel cell stack distribution device and fuel cell stack system |
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