CN220155578U - Fuel cell system electric pile business turn over pipeline integrated structure and electric pile thereof - Google Patents
Fuel cell system electric pile business turn over pipeline integrated structure and electric pile thereof Download PDFInfo
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- CN220155578U CN220155578U CN202320968844.XU CN202320968844U CN220155578U CN 220155578 U CN220155578 U CN 220155578U CN 202320968844 U CN202320968844 U CN 202320968844U CN 220155578 U CN220155578 U CN 220155578U
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- Prior art keywords
- assembly
- hydrogen
- cooling water
- pipeline
- air
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- 239000000446 fuel Substances 0.000 title claims abstract description 22
- 230000007306 turnover Effects 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims abstract description 65
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000003570 air Substances 0.000 claims abstract description 54
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 54
- 239000001257 hydrogen Substances 0.000 claims abstract description 54
- 239000000498 cooling water Substances 0.000 claims abstract description 50
- 210000001503 joint Anatomy 0.000 claims abstract description 10
- 230000010354 integration Effects 0.000 claims abstract description 5
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 238000004806 packaging method and process Methods 0.000 claims description 25
- 239000012530 fluid Substances 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram 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
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model discloses a fuel cell system pile inlet and outlet pipeline integrated structure and a pile thereof, comprising: a galvanic pile assembly, an internal piping assembly, and an external piping assembly; the internal pipeline assembly is arranged on the galvanic pile assembly, and a plurality of flow channels are formed in the internal pipeline assembly and can be used for leading air, hydrogen and cooling water into the galvanic pile assembly through the corresponding flow channels; the external pipeline assembly is in butt joint with the runner port of the internal pipeline assembly, air, hydrogen and cooling water can be conveyed to the internal pipeline assembly, and sealing assemblies are arranged on the external pipeline assembly and the internal pipeline assembly. According to the utility model, the air, the hydrogen and the cooling waterway inside and outside are integrated together, so that redundant pipelines are omitted, and the integration level of the whole pipeline is improved; the flange end face of the internal pipeline is directly matched and connected with the mounting face of the electric pile group, so that the fluid distribution head and the anchor ear are omitted, the whole weight is reduced, and the procedure of mounting the fluid distribution head is omitted.
Description
Technical Field
The utility model relates to the technical field of hydrogen fuel cells, in particular to an integrated structure of a fuel cell system pile inlet and outlet pipeline.
Background
In the hydrogen fuel cell system, the operation of the stack assembly requires the input of air, hydrogen and cooling water while the unreacted air and hydrogen and cooling water are discharged, and thus it is necessary to design the air, hydrogen and cooling water lines of the stack assembly. In conventional designs, the fluid dispensing head is typically mounted to the mounting surface of the stack using bolts, and the silicone hose is secured to the fluid dispensing head by means of a ferrule, which guides the silicone hose out of the enclosure. The mode has the defects of difficult installation, influence on the pile performance due to deformation of the silica gel hose, more parts, low integration level, complex working procedure, poor sealing performance and the like.
Accordingly, the prior art has problems and further improvements are needed.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides an integrated structure of a fuel cell system pile inlet and outlet pipeline.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a fuel cell system stack inlet and outlet line integrated structure comprising: a galvanic pile assembly, an internal piping assembly, and an external piping assembly;
the internal pipeline assembly is arranged on the galvanic pile assembly, and a plurality of flow channels are formed in the internal pipeline assembly and can be used for leading air, hydrogen and cooling water into the galvanic pile assembly through the corresponding flow channels;
the external pipeline assembly is in butt joint with the runner port of the internal pipeline assembly, air, hydrogen and cooling water can be conveyed to the internal pipeline assembly, and sealing assemblies are arranged on the external pipeline assembly and the internal pipeline assembly.
Preferably, the fuel cell system stack inlet and outlet pipeline integrated structure further comprises a box body, a packaging cover plate and an overhaul cover plate; the packaging cover plate is arranged in front of the box body, and the overhaul cover plate is arranged behind the box body.
Preferably, a first sealing groove is formed in the flange surface of the inner pipeline assembly, and the plurality of flow channels comprise an air flow channel, a hydrogen flow channel and a cooling water flow channel; the inlets of the hydrogen flow channel, the air flow channel and the cooling water flow channel are all arranged on the first sealing groove.
Preferably, the external pipeline component is provided with an air input pipe, a hydrogen input pipe and a cooling water input pipe; and the flange surface of the external pipeline component is provided with a second sealing groove, and the pipe orifices of the air input pipe, the hydrogen input pipe and the cooling water input pipe on the external pipeline component are all arranged on the second sealing groove and are used for butt joint with the corresponding air flow channel, the hydrogen flow channel and the cooling water flow channel.
Preferably, the sealing assembly comprises a first sealing strip and a second sealing strip; the sealing strip I is arranged in the sealing groove I, and the sealing strip II is arranged in the sealing groove II.
Preferably, the front of the box body is provided with a sealing groove III, the rear panel is provided with an opening, and the opening is provided with a sealing groove IV; the packaging cover plate is arranged at three positions of the sealing groove; the access cover plate is arranged around the sealing groove.
Preferably, the sealing strip I, the internal pipeline component and the galvanic pile component are all arranged in the box body; the external pipeline component and the second sealing strip are both arranged outside the box body; the inner pipeline component is arranged on the inner wall of the packaging cover plate, and the outer pipeline component is arranged on the outer wall of the packaging cover plate.
Preferably, the packaging cover plate is provided with an air port, a hydrogen port and a cooling water port; the pipe orifices of the air input pipe, the hydrogen input pipe and the cooling water input pipe are correspondingly butted with one end of the air port, the hydrogen port and the cooling water port, and the inlets of the hydrogen flow passage, the air flow passage and the cooling water flow passage are correspondingly butted with the other end of the air port, the hydrogen port and the cooling water port.
Preferably, the hydrogen flow channel, the air flow channel and the cooling water flow channel all comprise a main pipeline and a plurality of branch pipelines connected with the main pipeline; the branch pipes are penetrated through the flange surface at the bottom of the internal pipeline assembly, and when the internal pipeline assembly is detachably mounted with the electric pile assembly, the pipe orifices of the branch pipes are butted with the inlet ports on the electric pile assembly, so that air, hydrogen and cooling water are introduced into the electric pile assembly.
The utility model also provides a fuel cell system electric pile which comprises the inlet and outlet pipeline integrated structure.
The technical scheme of the utility model has the following beneficial effects:
1. the air, the hydrogen and the cooling waterway inside and outside are integrated together, so that redundant pipelines are omitted, and the integration level of the whole pipeline is improved;
2. the flange end face of the internal pipeline is directly matched with the mounting face of the electric pile group, so that a fluid distribution head and a hoop are omitted, the overall weight is reduced, and the procedure of mounting the fluid distribution head is omitted;
3. the fluid distribution head is omitted, a plurality of hoops are avoided to fix the silica gel hose on the fluid distribution head, and the internal pipeline is more convenient to install in the packaging box with a narrow space;
4. the internal pipeline adopts a production process of hard plastic injection molding, so that the rigidity of the pipeline is improved, and the problems of stack performance reduction and unstable power caused by pipeline deformation are avoided;
5. the connector of the external pipeline is arranged in front of the packaging box, so that the connector is convenient to connect and install with other external pipelines.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the internal piping assembly;
FIG. 4 is a schematic view of the hydrogen flow path of the internal piping assembly of the present utility model;
FIG. 5 is a schematic view of the structure of the air flow passage of the internal piping assembly of the present utility model;
FIG. 6 is a schematic view of the cooling water flow path of the internal piping assembly of the present utility model;
FIG. 7 is a schematic view of the internal piping assembly of the present utility model;
FIG. 8 is a schematic view of the front of the case of the present utility model;
fig. 9 is a schematic view of the structure of the rear of the case of the present utility model.
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 and intended to explain the present utility model and should not 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", "clockwise", "counterclockwise", 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 simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Referring to fig. 1 to 9, the present utility model provides a fuel cell system stack inlet and outlet pipe integrated structure, comprising: a galvanic pile group 6, an inner pipe assembly 2, an outer pipe assembly 8;
the flange face end of the internal pipeline assembly 2 is detachably connected with the electric pile assembly 6, the disassembly is convenient, the flange face end of the internal pipeline assembly 2 is directly matched with the installation face of the electric pile assembly 6, a fluid distribution head and a hoop are omitted, the whole weight is reduced, and the procedure of installing the fluid distribution head is omitted;
the inner pipeline assembly 2 is provided with a plurality of flow channels, and the production process of plastic injection molding is adopted, so that the rigidity of the pipeline is improved, the problems of stack performance reduction and unstable power caused by pipeline deformation are avoided, and air, hydrogen and cooling water can be introduced into the stack assembly 6 through the corresponding flow channels;
the external pipeline assembly 8 is in butt joint with the runner port of the internal pipeline assembly 2, so that air, hydrogen and cooling water can be conveyed to the internal pipeline assembly 2, and the air, the hydrogen and the cooling water paths of the inside and the outside are integrated together, so that redundant pipelines are omitted, and the integration level of the whole pipeline is improved; the sealing assemblies 5 are also arranged on the outer pipeline assembly 8 and the inner pipeline assembly 2 to improve sealing performance.
Furthermore, the fuel cell system stack inlet and outlet pipeline integrated structure further comprises a box body 1, a packaging cover plate 3 and an overhaul cover plate 4; the packaging cover plate 3 is arranged in front of the box body 1, the box body is packaged, the tightness is good, and the overhaul cover plate 3 is arranged behind the box body 1, so that the subsequent overhaul is convenient; the box 1 comprises an upper box body and a lower box body.
Further, a first sealing groove 205 is formed on the flange surface 201 of the inner pipeline assembly 2, and the plurality of flow channels include a hydrogen flow channel 202, an air flow channel 203 and a cooling water flow channel 204; the inlets of the hydrogen flow channel 202, the air flow channel 203 and the cooling water flow channel 204 are all arranged on the first sealing groove 205. The external pipeline assembly 8 is provided with a hydrogen input pipe 801, an air input pipe 802 and a cooling water input pipe 803; the flange surface 804 of the external pipeline assembly 8 is provided with a second sealing groove 805, and the nozzles of the air input pipe 802, the hydrogen input pipe 801 and the cooling water input pipe 803 of the external pipeline assembly 8 are all arranged on the second sealing groove 805 and are used for butt joint with the corresponding air flow channel 203, the hydrogen flow channel 202 and the cooling water flow channel 204. The sealing assembly 5 comprises a first sealing strip 501 and a second sealing strip 502; the first sealing strip 501 is arranged in the first sealing groove 205, the second sealing strip 502 is arranged in the second sealing groove 805, and the design of the first sealing strip 501 and the second sealing strip 502 enables the inner pipeline component and the outer pipeline component to be well sealed, so that air leakage is avoided.
Further, a third sealing groove 101 is formed in the front of the box body 1, an opening is formed in the rear panel, and a fourth sealing groove 102 is formed in the opening; the packaging cover plate 3 is arranged at the third 101 part of the sealing groove and is detachably mounted through screws, so that the packaging cover plate is convenient to detach; the overhaul cover plate 4 is arranged at the fourth 102 part of the sealing groove and is detachably mounted through screws, so that the disassembly is convenient; the sealing strip I502, the internal pipeline assembly 2 and the galvanic pile assembly 6 are all arranged in the box body 1; the external pipeline assembly 8 and the second sealing strip 502 are both arranged outside the box body 1; the inner pipeline component 2 is arranged on the inner wall of the packaging cover plate 3, the outer pipeline component 8 is arranged on the outer wall of the packaging cover plate 3, and the pipe orifice of the outer pipeline component 8 is arranged in front of the packaging box, so that the connection and the installation with other outer pipelines are facilitated.
Furthermore, an air port, a hydrogen port and a cooling water port are formed in the packaging cover plate 3, so that butt joint is facilitated; the orifices of the air input pipe 801, the hydrogen input pipe 802 and the cooling water input pipe 803 are correspondingly butted with one end of the air port, the hydrogen port and the cooling water port, and the inlets of the hydrogen flow channel 202, the air flow channel 203 and the cooling water flow channel 204 are correspondingly butted with the other ends of the air port, the hydrogen port and the cooling water port, so that the butt joint is convenient. The hydrogen flow channel 202, the air flow channel 203 and the cooling water flow channel 204 comprise a main pipeline (2021, 2031, 2041) and a plurality of branch pipelines (2022, 2032, 2042) connected with the main pipeline; the flange surface at the bottom of the internal pipeline assembly 2 is penetrated by the plurality of branch pipes, when the internal pipeline assembly 2 is detachably mounted with the electric pile assembly 6, the interfaces of the external pipelines (8.1 and 8.2) are arranged in front of the sealing box by the plurality of branch pipes, the pipe orifices which are convenient to be connected and mounted with other external pipelines are in butt joint with the inlet ports on the electric pile assembly 6, and then air, hydrogen and cooling water are introduced into the electric pile assembly.
The working principle of the utility model is as follows: after the installation of the electric pile group 6 is completed, the internal pipeline component 2 is directly fixed on the installation surface of the electric pile group 6 through bolts, so that the flow channels of air, hydrogen and cooling water are directly communicated into the electric pile group 6, the traditional component of a distribution head is omitted, and the flow resistance caused by switching is reduced. After the installation of the inner pipeline assembly 2 is completed, the first sealing strip 501 is placed in the first sealing groove 205 on the end face of the inner pipeline assembly 2, and then the packaging cover plate 3 is installed on the box body 1, so that the end face of the inner pipeline assembly 2 and the packaging cover plate 3 are well sealed, and air leakage is avoided. After the above steps are completed, the second sealing strip 502 is placed in the second sealing groove 805 on the end face of the external pipeline assembly 8 and then is mounted on the packaging cover plate 3, so that the sealing performance can be ensured.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. A fuel cell system stack inlet and outlet line integrated structure, comprising: a galvanic pile assembly, an internal piping assembly, and an external piping assembly;
the internal pipeline assembly is arranged on the galvanic pile assembly, and a plurality of flow channels are formed in the internal pipeline assembly and can be used for leading air, hydrogen and cooling water into the galvanic pile assembly through the corresponding flow channels;
the external pipeline assembly is in butt joint with the runner port of the internal pipeline assembly, air, hydrogen and cooling water can be conveyed to the internal pipeline assembly, and sealing assemblies are arranged on the external pipeline assembly and the internal pipeline assembly.
2. The fuel cell system stack access line integrated structure of claim 1, further comprising a housing, a packaging cover, an access cover; the packaging cover plate is arranged in front of the box body, and the overhaul cover plate is arranged behind the box body.
3. The fuel cell system stack inlet and outlet pipeline integrated structure according to claim 2, wherein a first sealing groove is formed on a flange surface of the internal pipeline assembly, and the plurality of flow channels comprise an air flow channel, a hydrogen flow channel and a cooling water flow channel; the inlets of the hydrogen flow channel, the air flow channel and the cooling water flow channel are all arranged on the first sealing groove.
4. The fuel cell system stack inlet and outlet pipe integrated structure according to claim 3, wherein the external pipe assembly is provided with an air input pipe, a hydrogen input pipe and a cooling water input pipe; and the flange surface of the external pipeline component is provided with a second sealing groove, and the pipe orifices of the air input pipe, the hydrogen input pipe and the cooling water input pipe on the external pipeline component are all arranged on the second sealing groove and are used for butt joint with the corresponding air flow channel, the hydrogen flow channel and the cooling water flow channel.
5. The fuel cell system stack inlet and outlet pipe integrated structure according to claim 4, wherein the sealing assembly comprises a first sealing strip and a second sealing strip; the sealing strip I is arranged in the sealing groove I, and the sealing strip II is arranged in the sealing groove II.
6. The fuel cell system stack inlet and outlet pipeline integrated structure according to claim 5, wherein a sealing groove III is formed in the front of the box body, an opening is formed in the rear panel, and a sealing groove IV is formed in the opening; the packaging cover plate is arranged at three positions of the sealing groove; the access cover plate is arranged around the sealing groove.
7. The fuel cell system stack inlet and outlet pipe integrated structure according to claim 6, wherein the sealing strip I, the internal pipe assembly and the stack assembly are all arranged in a box body; the external pipeline component and the second sealing strip are both arranged outside the box body; the inner pipeline component is arranged on the inner wall of the packaging cover plate, and the outer pipeline component is arranged on the outer wall of the packaging cover plate.
8. The integrated structure of the fuel cell system stack inlet and outlet pipeline according to claim 7, wherein an air port, a hydrogen port and a cooling water port are formed on the packaging cover plate; the pipe orifices of the air input pipe, the hydrogen input pipe and the cooling water input pipe are correspondingly butted with one end of the air port, the hydrogen port and the cooling water port, and the inlets of the hydrogen flow passage, the air flow passage and the cooling water flow passage are correspondingly butted with the other end of the air port, the hydrogen port and the cooling water port.
9. The integrated structure of the fuel cell system stack inlet and outlet pipe according to claim 8, wherein the hydrogen flow channel, the air flow channel and the cooling water flow channel each comprise a main pipe and a plurality of branch pipes connected with the main pipe; the branch pipes are penetrated through the flange surface at the bottom of the internal pipeline assembly, and when the internal pipeline assembly is detachably mounted with the electric pile assembly, the pipe orifices of the branch pipes are butted with the inlet ports on the electric pile assembly, so that air, hydrogen and cooling water are introduced into the electric pile assembly.
10. A fuel cell system stack comprising the inlet and outlet line integration of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320968844.XU CN220155578U (en) | 2023-04-19 | 2023-04-19 | Fuel cell system electric pile business turn over pipeline integrated structure and electric pile thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320968844.XU CN220155578U (en) | 2023-04-19 | 2023-04-19 | Fuel cell system electric pile business turn over pipeline integrated structure and electric pile thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220155578U true CN220155578U (en) | 2023-12-08 |
Family
ID=89006405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320968844.XU Active CN220155578U (en) | 2023-04-19 | 2023-04-19 | Fuel cell system electric pile business turn over pipeline integrated structure and electric pile thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220155578U (en) |
-
2023
- 2023-04-19 CN CN202320968844.XU patent/CN220155578U/en active Active
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