CN113013464A - Fuel cell stack and packaging box body of fuel cell stack - Google Patents
Fuel cell stack and packaging box body of fuel cell stack Download PDFInfo
- Publication number
- CN113013464A CN113013464A CN202110239642.7A CN202110239642A CN113013464A CN 113013464 A CN113013464 A CN 113013464A CN 202110239642 A CN202110239642 A CN 202110239642A CN 113013464 A CN113013464 A CN 113013464A
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- China
- Prior art keywords
- fuel cell
- cell stack
- packaging box
- slot
- peripheral wall
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/2475—Enclosures, casings or containers of fuel cell stacks
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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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a fuel cell stack and a packaging box body of the fuel cell stack, wherein the packaging box body comprises a plurality of split bodies, the split bodies are sequentially and hermetically connected in the vertical direction, in each split body, the split body at the lowest part is a base body, the split body at the uppermost part is a top cover body, the base body comprises a bottom plate, and the top cover body comprises a top cover plate. The packaging box body is of a split structure, the structural size of the packaging box body is not fixed, and in practical application, the number of split bodies can be adjusted according to the number of used single batteries, so that fuel cell stacks suitable for various sizes can be conveniently constructed.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a fuel cell stack and a packaging box body of the fuel cell stack.
Background
The fuel cell stack generally comprises a reactor core assembly and a packaging box body, wherein the reactor core assembly comprises a plurality of single batteries, and the packaging box body is positioned on the outermost side of the reactor core assembly and has the functions of protecting and bearing the assembling force of the reactor core assembly and the like. The existing packaging box body is mostly a component with fixed size and is only suitable for installing the single batteries with fixed knot number.
Disclosure of Invention
The invention aims to provide a fuel cell stack and a packaging box body of the fuel cell stack, wherein the packaging box body comprises a plurality of split bodies, and the installation of reactor core assemblies with different vertical sizes can be better adapted by adopting different numbers of split bodies.
In order to solve the technical problem, the invention provides a packaging box body of a fuel cell stack, which comprises a plurality of split bodies, wherein the split bodies are sequentially and hermetically connected in the vertical direction, in each split body, the lowest split body is a base body, the uppermost split body is a top cover body, the base body comprises a bottom plate, and the top cover body comprises a top cover plate.
Different from the background technology, the packaging box body of the fuel cell stack provided by the invention is of a split structure, the structural size is not fixed, and in practical application, the number of the split bodies can be adjusted according to the number of the used single cells, so that the fuel cell stack suitable for various sizes can be conveniently constructed.
Optionally, each of the split bodies includes a peripheral wall, a notch is formed in one side surface of the peripheral wall, and the notches of the split bodies are communicated and combined to form a side surface opening of the packaging box body; the side cover plate is used for being connected with the side opening in a sealing mode.
Optionally, the top cap body comprises a peripheral wall enclosing a top opening, and the top cover plate is used for sealing connection with the top opening.
Optionally, each of the divided bodies includes a peripheral wall, and the peripheral walls of two adjacent divided bodies are fixed by welding.
Optionally, the split type solar cell further comprises a connecting piece, wherein slot parts are arranged at corresponding positions of the peripheral walls of two adjacent split bodies, the two corresponding slot parts are communicated, and the connecting piece can be connected with the two corresponding slot parts and is welded and fixed with the slot walls of the corresponding slot parts.
Optionally, the slot portion is a slot, and the connecting member is vertically connected to the slot portion in a clamping manner.
Optionally, in two adjacent split bodies, the peripheral wall of one split body is provided with a connecting piece, and the peripheral wall of the other split body is provided with a slot part, and the connecting piece can be inserted into the slot part and is welded and fixed with the slot wall of the slot part.
Optionally, the slot portion is a slot, and the connecting member is vertically connected to the slot portion in a clamping manner.
The invention also provides a fuel cell stack, which comprises a reactor core assembly and a packaging box body, wherein the packaging box body is the packaging box body of the fuel cell stack.
Since the above-mentioned package box of the fuel cell stack has the technical effects, the fuel cell stack having the package box also has similar technical effects, and therefore, the detailed description thereof is omitted here.
Drawings
FIG. 1 is a schematic structural diagram of one embodiment of a packaging box of a fuel cell stack provided in the present invention;
FIG. 2 is a schematic structural view of the base body;
FIG. 3 is a schematic structural view of the top cover;
FIG. 4 is a schematic diagram of the structure of an intermediate;
fig. 5 is a schematic structural view of the connector.
The reference numerals in fig. 1-5 are illustrated as follows:
1, a base body and a bottom plate 11;
2, a top cover body and 21, wherein the top is opened;
3, intermediate;
4, opening at the side surface;
5 peripheral wall, 51 slot part;
6 connecting pieces.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
As used herein, the term "plurality" refers to an indefinite number of plural, usually more than two; and when the term "plurality" is used to indicate a quantity of a particular element, it does not indicate a quantitative relationship between such elements.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of an embodiment of a packaging box of a fuel cell stack provided in the present invention, fig. 2 is a schematic structural diagram of a base body, fig. 3 is a schematic structural diagram of a top cover body, fig. 4 is a schematic structural diagram of an intermediate body, and fig. 5 is a schematic structural diagram of a connecting member.
As shown in fig. 1-4, the present invention provides a packaging box of a fuel cell stack, which comprises a plurality of separate bodies, wherein the separate bodies are sequentially and hermetically connected in a vertical direction, of the separate bodies, the lowermost separate body is a base body 1, the uppermost separate body is a top cover body 2, the base body 1 comprises a bottom plate 11, and the top cover body 2 comprises a top cover plate (not shown in the figure).
Different from the background technology, the packaging box body of the fuel cell stack provided by the invention is of a split structure, the structural size is not fixed, and in practical application, the number of the split bodies can be adjusted according to the number of the used single cells, so that the fuel cell stack suitable for various sizes can be conveniently constructed.
It should be noted that the term "suitable for various dimensions" herein mainly refers to a vertical dimension, generally speaking, the dimension of a single cell is determined, and the number of the single cells arranged in each layer is also determined, so that the size of the cross section of each split body perpendicular to the vertical direction is also determined, in actual use, the fuel cell stack will present different heights according to the difference of the number of layers of the set single cells, and at this time, a corresponding number of split bodies can be set to be adapted to the fuel cell stack; the vertical dimensions of the components can be consistent or different, and the components can be determined by combining actual conditions.
The sealing connection mode among the split bodies can be welding, and the welding seam formed by welding can cover the splicing seam among the split bodies, so that the sealing performance of the connection position of the split bodies is ensured, and the requirement of a sealing performance test is met. In addition, a mode that connecting parts in the forms of bolts and the like are connected and are matched with the sealing rings for compression sealing can be adopted, the connecting mode can be conveniently disassembled, and the sealing performance can be ensured.
For the sake of convenience of distinction, the parts located between the base body 1 and the top cover body 2 in the parts may be referred to as intermediate bodies 3, and the intermediate bodies 3 may not be present, in this case, the package box provided by the present invention will only include the base body 1 and the top cover body 2, and the intermediate bodies 3 may also be present, in this case, the number of the intermediate bodies 3 is not limited.
Unlike the structure in which the base body 1 includes the bottom plate 11 and the top cover body 2 includes the top cover plate, the intermediate body 3 may include only the peripheral wall 5 for forming a circumferential peripheral structure of the package case. Based on this, the base body 1 may only include the bottom plate 11, and the top cover body 2 may also only include the top cover plate, that is, the peripheral structure of the enclosure box body may be formed only by the intermediate body 3, in which case, the intermediate body 3 is necessary; alternatively, at least one of the base body 1 and the top cover body 2 may be provided with a peripheral wall 5, and in this case, a sealing connection between one of the peripheral walls 5 and the corresponding bottom plate 11 or the top cover plate is also required to ensure a sealing performance, and the specific sealing connection manner can be referred to above.
In a preferred embodiment, the top cover plate and the peripheral wall 5 of the top cover body 2 may be detachably connected, such as the connection member in the form of the aforementioned bolt or the like, and the sealing ring is engaged to perform a compression seal. In this way, the top cover plate can be easily attached and detached, and then each unit cell in the core assembly in the package can be installed, inspected, or replaced through the top opening 21 formed in the peripheral wall 5 of the top cover 2.
In fact, in the embodiment of the present invention, each of the divided bodies may include a peripheral wall 5, and a notch may be provided on one side surface of each of the peripheral walls 5, and the notches of the divided bodies may communicate with each other and combine to form a side opening 4 of the package case, and operations such as installation, inspection, or replacement of each of the unit batteries may be performed through the side opening 4.
Further, a side cover plate may be further included for sealing and connecting the side opening 4 to seal the side opening 4 after the core assembly installation, maintenance or replacement operation is completed, and the specific sealing and connecting manner may be referred to above.
In the base body 1 and the top cover body 2 including the peripheral wall 5, the notch provided in the peripheral wall 5 may not penetrate the peripheral wall 5 in the vertical direction, and the notch provided in the peripheral wall 5 of the intermediate body 3 may penetrate the peripheral wall 5 of the intermediate body 3, as shown in fig. 4, the intermediate body 3 may have a substantially U-shaped structure, that is, may have only three side surfaces, so that the notches of the peripheral walls 5 of the respective divided bodies may communicate with each other to form the side surface opening 4.
When each of the divided bodies includes the peripheral wall 5, the connection between the two adjacent divided bodies actually means the connection between the peripheral walls 5 of the two adjacent divided bodies, and the specific sealing connection mode can be referred to the above.
Further, can also include connecting piece 6, the corresponding position of the perisporium 5 of two adjacent branches all can be equipped with slot part 51, two slot parts 51 that correspond can be linked together, connecting piece 6 can link to each other with two corresponding slot parts 51 to with the cell wall welded fastening of corresponding slot part 51, the setting of connecting piece 6 can effectively increase welding seam length, is favorable to guaranteeing the connection reliability between two adjacent branches.
There may be many choices in the structural forms of the slot portion 51 and the connecting member 6 as long as the matching relationship between the connecting member 6 and the slot portion 51 is ensured. In the embodiment of the present invention, the slot 51 may be a slot, such as a T-shaped slot, and the connecting member 6 and the slot 51 may be vertically engaged, so that the connection reliability between two adjacent bodies can be more effectively ensured; referring to fig. 5, since one connecting member 6 is connected to two slot portions 51, the slot portions 51 may be substantially "i" shaped at this time.
In the above solution, the connecting member 6 is a separately provided component. In addition, the connecting member 6 may be integrated with the corresponding divided body, in this case, in the two adjacent divided bodies, one of the peripheral walls may be provided with the connecting member 6, the other of the peripheral walls may be provided with the slot portion 51, and the connecting member 6 may be inserted into the slot portion 51 and welded and fixed with the slot wall of the slot portion 51, so that the solution of integrating the connecting member 6 with the corresponding divided body may reduce the number of parts and simplify the installation process of the connecting member 6 and the slot portion 51. The structural form of the connector 6 and the slot portion 51 is as described above.
The invention also provides a fuel cell stack, which comprises a reactor core assembly and a packaging box body, wherein the packaging box body is the packaging box body of the fuel cell stack.
Since the above-mentioned packaging box of the fuel cell stack has the technical effects, the fuel cell stack having the packaging box also has similar technical effects, and therefore, the detailed description thereof is omitted here.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (9)
1. The utility model provides a packaging box of fuel cell pile, characterized in that includes a plurality of components of a whole that can function independently, each components of a whole that can function independently in order sealing connection in the vertical, in each component of a whole that can function independently, the below is the base body (1), the top the components of a whole that can function independently is top lid (2), base body (1) includes bottom plate (11), top lid (2) include the top apron.
2. The packaging box of the fuel cell stack according to claim 1, wherein each of the divided bodies comprises a peripheral wall (5), one side surface of the peripheral wall (5) is provided with a notch, and the notches of the divided bodies are communicated and combined to form a side surface opening (4) of the packaging box;
and the side cover plate is used for being connected with the side opening (4) in a sealing way.
3. The fuel cell stack enclosure according to claim 1, wherein the top cover (2) comprises a peripheral wall (5), the peripheral wall (5) enclosing a top opening (21), and the top cover plate is used for sealing the top opening (21).
4. The enclosure body of a fuel cell stack according to any one of claims 1 to 3, wherein each of the divided bodies includes a peripheral wall (5), and the peripheral walls (5) of adjacent two of the divided bodies are fixed by welding.
5. The fuel cell stack packaging box according to claim 4, further comprising a connecting member (6), wherein a slot portion (51) is provided at a corresponding position of the peripheral wall (5) of each of two adjacent divided bodies, the two corresponding slot portions (51) are communicated, and the connecting member (6) can be connected with the two corresponding slot portions (51) and is welded and fixed with the slot wall of the corresponding slot portion (51).
6. The fuel cell stack packaging box according to claim 5, wherein the slot portion (51) is a slot, and the connecting member (6) is vertically engaged with the slot portion (51).
7. The packaging box for fuel cell stack according to claim 4, wherein the peripheral wall (5) of one of two adjacent divided bodies is provided with a connecting member (6), and the peripheral wall (5) of the other is provided with a slot portion (51), and the connecting member (6) can be inserted into the slot portion (51) and is welded and fixed with the slot wall of the slot portion (51).
8. The fuel cell stack packaging box according to claim 7, wherein the slot portion (51) is a slot, and the connecting member (6) is vertically engaged with the slot portion (51).
9. A fuel cell stack comprising a core assembly and an enclosure, wherein the enclosure is the enclosure of the fuel cell stack of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110239642.7A CN113013464A (en) | 2021-03-04 | 2021-03-04 | Fuel cell stack and packaging box body of fuel cell stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110239642.7A CN113013464A (en) | 2021-03-04 | 2021-03-04 | Fuel cell stack and packaging box body of fuel cell stack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113013464A true CN113013464A (en) | 2021-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110239642.7A Pending CN113013464A (en) | 2021-03-04 | 2021-03-04 | Fuel cell stack and packaging box body of fuel cell stack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113013464A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205810919U (en) * | 2016-07-08 | 2016-12-14 | 华霆（合肥）动力技术有限公司 | Soft bag lithium ionic cell module |
| CN205828467U (en) * | 2016-06-30 | 2016-12-21 | 惠州市蓝微新源技术有限公司 | A kind of BMS housing vertical direction splicing construction |
| CN209981382U (en) * | 2019-04-16 | 2020-01-21 | 武汉泰歌氢能汽车有限公司 | Electric pile sealing device for fuel cell engine |
| CN110931834A (en) * | 2019-12-18 | 2020-03-27 | 新源动力股份有限公司 | Adjustable fuel cell packaging structure |
| CN112397757A (en) * | 2020-11-13 | 2021-02-23 | 上海捷氢科技有限公司 | Fuel cell stack packaging structure, packaging box body thereof and cell structure |
-
2021
- 2021-03-04 CN CN202110239642.7A patent/CN113013464A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205828467U (en) * | 2016-06-30 | 2016-12-21 | 惠州市蓝微新源技术有限公司 | A kind of BMS housing vertical direction splicing construction |
| CN205810919U (en) * | 2016-07-08 | 2016-12-14 | 华霆（合肥）动力技术有限公司 | Soft bag lithium ionic cell module |
| CN209981382U (en) * | 2019-04-16 | 2020-01-21 | 武汉泰歌氢能汽车有限公司 | Electric pile sealing device for fuel cell engine |
| CN110931834A (en) * | 2019-12-18 | 2020-03-27 | 新源动力股份有限公司 | Adjustable fuel cell packaging structure |
| CN112397757A (en) * | 2020-11-13 | 2021-02-23 | 上海捷氢科技有限公司 | Fuel cell stack packaging structure, packaging box body thereof and cell structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 201800 No. 1788, xiechun Road, Anting Town, Jiading District, Shanghai Applicant after: Shanghai jiehydrogen Technology Co.,Ltd. Address before: 1728 xiechun Road, Anting Town, Jiading District, Shanghai, 201804 Applicant before: Shanghai Jet Hydrogen Technology Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210622 |
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| RJ01 | Rejection of invention patent application after publication |