CN212380450U - Packaging structure of an integrated fuel cell stack - Google Patents
Packaging structure of an integrated fuel cell stack Download PDFInfo
- Publication number
- CN212380450U CN212380450U CN202021253396.8U CN202021253396U CN212380450U CN 212380450 U CN212380450 U CN 212380450U CN 202021253396 U CN202021253396 U CN 202021253396U CN 212380450 U CN212380450 U CN 212380450U
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- Prior art keywords
- fuel cell
- cell stack
- end plate
- rear cover
- lower casing
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- 239000000446 fuel Substances 0.000 title claims abstract description 49
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 32
- 238000007689 inspection Methods 0.000 claims description 21
- 238000010926 purge Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 230000010354 integration Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 239000012495 reaction gas Substances 0.000 abstract description 2
- 239000000110 cooling liquid Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000005022 packaging material Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
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- 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
本实用新型提供了一种一体式燃料电池电堆的封装结构，所述燃料电池电堆的封装结构包括：前端板，上壳体，下壳体，堆芯结构和后盖板。所述上端板设有公共管路与电堆堆芯联通，形成提供反应气体及冷却液流道。所述上壳体，下壳体设有与堆芯贴紧的防塌腰结构部件。本实用新型所述的一体式燃料电池电堆的封装结构大大提高了燃料电池电堆的性能，有效降低了燃料电池电堆的体积和重量，使燃料电池的堆整体的集成度大大提高，同时，进一步地提升了燃料电池电堆的抗振动性能以及绝缘性。同时这种一体化的封装结构能够实现快速装配，实现流水线作业。
The utility model provides a packaging structure of an integrated fuel cell stack. The packaging structure of the fuel cell stack comprises: a front end plate, an upper casing, a lower casing, a core structure and a rear cover plate. The upper end plate is provided with a common pipeline that communicates with the reactor core to form a flow channel for providing reaction gas and cooling liquid. The upper casing and the lower casing are provided with anti-slump waist structural components closely attached to the core. The packaging structure of the integrated fuel cell stack described in the utility model greatly improves the performance of the fuel cell stack, effectively reduces the volume and weight of the fuel cell stack, and greatly improves the overall integration of the fuel cell stack. , which further improves the anti-vibration performance and insulation of the fuel cell stack. At the same time, this integrated packaging structure can realize rapid assembly and realize assembly line operation.
Description
Technical Field
The utility model relates to a fuel cell encapsulates technical field, in particular to packaging structure of integral type fuel cell pile.
Background
The fuel cell stack is formed by end plates with holding and compressing functions on two sides, insulating separators, current leading-out bodies, a series of single cells stacked layer by layer along the normal direction of a single cell reaction surface and a packaging structure. The electric pile uses hydrogen fuel and air as reaction gas, generates electric energy through electrochemical action, and supplies power to a load through the conduction of a current lead-out body. When the stack is used, its structural stability is affected by vibration and shock on the one hand and by itself on the other hand, and since the fuel cell is limited by the fuel loading, it is generally bulky.
Chinese patent (publication No. CN106450372A) discloses a stack fastening structure with an external positioning function: with outer locating piece fastening at the side encapsulation board back, then fasten with the pile again, its not enough lies in: 1. the split type encapsulation can not realize sealing and can not reach the protection grade standard of the vehicle fuel cell; 2. the fastening direction of the packaging plate and the galvanic pile end plate is the normal direction of the galvanic pile, after fastening, the assembly tolerance between the positioning block and the lateral surface of the galvanic pile body is difficult to guarantee, and therefore the positioning effect on the galvanic pile cannot be realized
Chinese patent (publication No. CN103633358A) discloses a high integration level metal plate fuel cell stack: the split type electric pile packaging structure has the advantages that a side packaging plate plays a role in fastening an electric pile, and the split type electric pile packaging structure has the defects that the split type packaging structure cannot realize sealing, cannot reach the protection grade standard of an automotive fuel cell, and cannot ensure the assembly size deviation; on the other hand, the packaging structure is not provided with a positioning structure of the galvanic pile, so that the galvanic pile is easy to leak and fail due to waist collapse caused by vibration under the conditions of vehicle use or vibration.
Chinese patent (publication No. CN110098414A) discloses a fuel cell bipolar plate and a fuel cell stack packaging structure, which solves the technical problems of the existing packaging structure, such as large number of parts, failure of stack due to vibration deformation, more sealing surfaces or poor cross sealing effect of the sealing surfaces, but has a complex structure, large volume and weight, and is not suitable for the core structure of different stacking modes, and is not easy to realize quick installation.
Therefore, a fuel cell stack packaging structure which has strong shock resistance, good insulation performance and compact volume and weight and can package reactor core structures in different stacking modes and a simple and rapid assembling method are lacked.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, the present invention discloses an integrated fuel cell stack package structure, and the technical solution of the present invention is implemented as follows:
a packaging structure of an integrated fuel cell stack comprises an upper shell, a lower shell, a front end plate, a rear cover plate and a reactor core structure; the front end plate is provided with a gas port and a flow passage structure; the front end plate is positioned right in front of the reactor core structure and fixedly connected with the upper shell and the lower shell; the upper shell is positioned right above the reactor core structure and fixedly connected with the lower shell, the front end plate and the rear cover plate; the lower shell is positioned right below the reactor core structure; the rear cover plate is positioned right behind the reactor core structure and fixedly connected with the upper shell and the lower shell; the reactor core structure is wrapped with an insulating guard plate; the upper shell and/or the lower shell and/or the front end plate and/or the rear cover plate are/is provided with a waist collapse prevention structural component; the anti-collapse waist structural component is tightly attached to the reactor core structure; the upper housing, the lower housing, the front end plate, and the back cover plate enclose the core structure.
Preferably, the waist-collapse prevention structural member is a high-strength insulating plastic with low water absorption rate.
Preferably, a rubber pad is arranged on the anti-collapse waist structure component, and the rubber pad is directly contacted with the core structure.
Preferably, the upper shell and/or the lower shell and/or the front end plate and/or the rear cover plate are/is provided with an inspection part.
Preferably, the inspection portion is provided with an inspection connector module housing for accommodating the inspection connector module.
Preferably, a maintenance opening is arranged on the upper shell and/or the lower shell and/or the front end plate and/or the rear cover plate.
Preferably, a purge air inlet and a purge flow passage are arranged on the upper shell and/or the lower shell and/or the front end plate and/or the rear cover plate.
Preferably, the upper and lower casings are internally provided to a purge flow passage.
Preferably, the upper casing and/or the lower casing and/or the front end plate and/or the rear cover plate are further provided with a drain hole and a drain groove.
Preferably, the lower case and/or the lower case is provided with a surrounding structure where the rear cover plate is connected.
By implementing the technical scheme of the utility model, the technical problems of complex assembly structure and large volume and weight in the prior art can be solved; implement the technical scheme of the utility model, through the packaging structure design of integration, it is strong to realize anti-seismic performance, and insulating nature is good, and volume and weight are retrencied, can realize the encapsulation to the reactor core structure of different stacking modes, quick assembly's simultaneously technical effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a disassembled view of a package structure of an integrated fuel cell stack;
FIG. 2 is a schematic diagram of the outside of the front end plate structure of the integrated fuel cell stack package;
FIG. 3 is a schematic view of the inside of the front end plate structure of the integrated fuel cell stack package structure;
FIG. 4 is a schematic diagram of the outer side of the upper housing structure of the integrated fuel cell stack package;
FIG. 5 is a schematic view of the inside of the upper housing structure of the integrated fuel cell stack package;
fig. 6 is a view illustrating a lower case structure of a packaging structure of an integrated fuel cell stack;
FIG. 7 is a schematic diagram of the inspection portion of the integrated fuel cell stack package;
fig. 8 is an assembled structural view of a packaging structure of an integrated fuel cell stack.
In the above drawings, the reference numerals denote:
1. an upper housing;
1-1, maintaining a port cover plate; 1-2, a routing inspection port; 1-3, reinforcing rib structure; 1-4, an upper shell waist-collapse-prevention structural component;
2. a lower housing;
2-1, a lower shell waist-collapse-prevention structural component;
2-2, a lower shell surrounding structure;
3. a front end plate;
3-1, air port; 3-2, a flow passage structure;
4. a rear cover plate;
5. a core structure;
6. a routing inspection part;
6-1, and inspecting the housing of the connector module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It will be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In one embodiment, as shown in fig. 1 to 8 of the accompanying drawings, an integrated fuel cell stack packaging structure includes an upper casing (1), a lower casing (2), a front end plate (3), a back cover plate (4), and a core structure (5); the front end plate (3) is provided with an air port (3-1) and a flow passage structure (3-2); the front end plate (3) is positioned right ahead of the reactor core structure (5) and fixedly connected with the upper shell (1) and the lower shell (2); the upper shell (1) is positioned right above the reactor core structure (5) and is fixedly connected with the lower shell (2), the front end plate (3) and the rear cover plate (4); the lower shell (2) is positioned right below the reactor core structure (5); the rear cover plate (4) is positioned right behind the reactor core structure (5) and fixedly connected with the upper shell (1) and the lower shell (2); the reactor core structure (5) is wrapped with an insulating guard plate; the upper shell (1) and the lower shell (2) are respectively provided with an upper shell waist-collapse-prevention structural component (1-4) and a lower shell waist-collapse-prevention structural component (2-1); the upper shell anti-collapse waist structural component (1-4) and the lower shell anti-collapse waist structural component (2-1) are tightly attached to the reactor core structure (5); the upper shell (1), the lower shell (2), the front end plate (3) and the rear cover plate (4) enclose a reactor core structure (5); the inspection part (6) is arranged on the lower shell (2).
In this embodiment, the air port (3-1) of the front end plate shown in fig. 2 and the flow channel structure (3-2) shown in fig. 3 are used as a hydrogen inlet/outlet, an air inlet/outlet, a coolant inlet/outlet, and a hydrogen circulation outlet, and in this embodiment, a sealing groove structure is provided, so that an independent air port pipeline is not introduced to connect the encapsulated core structure (5). As shown in the attached figure 5, the upper shell waist-collapse preventing structural component (1-4) is arranged on the reinforcing rib structure (1-3) and has the functions of enhancing the strength of the upper shell and limiting the upper shell waist-collapse preventing structural component (1-4) of the part. The lower shell (2) is of a C-shaped groove structure, so that left and right side packaging materials in six packaging materials from right front, rear, left, right, upper and lower sides in a common packaging structure are omitted, the installation can be accelerated, and good consistency and sealing performance are provided. The upper shell waist-collapse-prevention structural component (1-4) is tightly attached to the lower shell waist-collapse-prevention structural component (2-1); the upper shell (1) is provided with a maintenance port cover plate (1-1) which can be used for repairing the interior of the reactor core structure (5); the upper shell waist-collapse-prevention structural component (1-4) and the lower shell waist-collapse-prevention structural component (2-1) are made of high-strength insulating plastics with low water absorption rate, and play a role in preventing the reactor core from collapsing waist in a matching mode; the structure greatly improves the anti-vibration performance of the electric pile and prevents the deformation of the reactor core structure (5); as shown in fig. 7, the inspection unit (6) is provided with an inspection connector module housing (6-1).
In summary,
in a preferred embodiment, the waist-collapse resistant structural member is a high strength insulating plastic with low water absorption. The effect of design like this can let prevent that waist structural component can have better structural stability and structural strength, and is better to the fixed effect of core structure (5).
In a preferred embodiment, the anti-collapse waist structural component is provided with a rubber pad, and the rubber pad is directly contacted with the core structure. The rubber pad can play the cushioning effect, and guarantees the inseparable laminating of waist part and the reactor core of preventing collapsing, and the rubber pad can the gap between the filled structure.
In a preferred embodiment, the upper shell and/or the lower shell and/or the front end plate and/or the rear cover plate are/is provided with an inspection part. The design and the installation of the inspection part can be adjusted according to the actual design and the application of the fuel cell, and the inspection part can accommodate the fuel cell inspection module assembly to provide the inspection function.
In a preferred embodiment, the inspection portion is provided with a connector module housing for receiving the inspection connector module. Patrol and examine connector module housing and can patrol and examine module component to the battery and protect, can protect the volume of reducing to the structure of integral type simultaneously.
In a preferred embodiment, the upper and/or lower housing and/or the front and/or rear cover plate is provided with a service opening. The design and installation of the service hatches can be adjusted to the actual design and use of the fuel cell, with the intention of performing maintenance on the fuel cell.
In a preferred embodiment, the upper shell and/or the lower shell and/or the front end plate and/or the rear cover plate are provided with a purging inlet and a purging flow passage. The deformation of the fuel cell caused by temperature can be adjusted by setting the purging air inlet and the purging flow channel, and meanwhile, the temperature of the reactor core structure can be regulated and controlled by the purging air inlet and the purging flow channel, so that the safety of the fuel cell is improved.
In a preferred embodiment, the upper casing and/or the lower casing and/or the front end plate and/or the rear cover plate are further provided with a drain hole and a drain groove. The design and installation of the dredging structure of the drain hole and the drain groove can be adjusted according to the actual design and the application of the fuel cell, so that accumulated water possibly generated in the fuel cell can be dredged.
In a preferred embodiment, the lower housing and/or the lower housing is provided with a surrounding structure where the back cover plate is attached. As shown in fig. 6, the surrounding structure (2-2) of the lower shell can facilitate the fixation of the core structure, and the core structure can be clamped before the back cover plate is not installed, so that the installation can be facilitated, and the displacement of the core structure can be prevented.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the present invention, and that any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021253396.8U CN212380450U (en) | 2020-07-01 | 2020-07-01 | Packaging structure of an integrated fuel cell stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021253396.8U CN212380450U (en) | 2020-07-01 | 2020-07-01 | Packaging structure of an integrated fuel cell stack |
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| Publication Number | Publication Date |
|---|---|
| CN212380450U true CN212380450U (en) | 2021-01-19 |
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| CN202021253396.8U Active CN212380450U (en) | 2020-07-01 | 2020-07-01 | Packaging structure of an integrated fuel cell stack |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785999A (en) * | 2020-07-01 | 2020-10-16 | 上海氢晨新能源科技有限公司 | A package structure of an integrated fuel cell stack and its assembling method |
| CN113241457A (en) * | 2021-04-29 | 2021-08-10 | 国家电投集团氢能科技发展有限公司 | Fuel cell distribution end plate and fuel cell with same |
| CN114156517A (en) * | 2021-11-26 | 2022-03-08 | 中汽创智科技有限公司 | Packaging shell and fuel cell system |
| CN115411336A (en) * | 2022-07-20 | 2022-11-29 | 东风汽车集团股份有限公司 | Fuel cell module, process, fuel cell system, power system, and vehicle |
| CN116259814A (en) * | 2022-09-07 | 2023-06-13 | 上海氢晨新能源科技有限公司 | Modularized fuel cell stack shell |
-
2020
- 2020-07-01 CN CN202021253396.8U patent/CN212380450U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785999A (en) * | 2020-07-01 | 2020-10-16 | 上海氢晨新能源科技有限公司 | A package structure of an integrated fuel cell stack and its assembling method |
| CN111785999B (en) * | 2020-07-01 | 2024-06-04 | 上海氢晨新能源科技有限公司 | Packaging structure of integrated fuel cell stack and assembling method thereof |
| CN113241457A (en) * | 2021-04-29 | 2021-08-10 | 国家电投集团氢能科技发展有限公司 | Fuel cell distribution end plate and fuel cell with same |
| CN114156517A (en) * | 2021-11-26 | 2022-03-08 | 中汽创智科技有限公司 | Packaging shell and fuel cell system |
| CN114156517B (en) * | 2021-11-26 | 2023-07-21 | 中汽创智科技有限公司 | Packaging shell and fuel cell system |
| CN115411336A (en) * | 2022-07-20 | 2022-11-29 | 东风汽车集团股份有限公司 | Fuel cell module, process, fuel cell system, power system, and vehicle |
| CN116259814A (en) * | 2022-09-07 | 2023-06-13 | 上海氢晨新能源科技有限公司 | Modularized fuel cell stack shell |
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