CN219371082U - Pile packaging shell of fuel cell - Google Patents
Pile packaging shell of fuel cell Download PDFInfo
- Publication number
- CN219371082U CN219371082U CN202320200944.8U CN202320200944U CN219371082U CN 219371082 U CN219371082 U CN 219371082U CN 202320200944 U CN202320200944 U CN 202320200944U CN 219371082 U CN219371082 U CN 219371082U
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- CN
- China
- Prior art keywords
- plate
- fuel cell
- side plate
- stack package
- notch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000446 fuel Substances 0.000 title claims abstract description 72
- 238000004806 packaging method and process Methods 0.000 title abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000000945 filler Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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 stack packaging shell of the fuel cell is disclosed, and a front plate is detachably connected with the bottom plate in the stack packaging shell of the fuel cell; a first side panel removably connected to the bottom panel, the first side panel abutting the front panel; a rear panel detachably connected to the bottom panel and opposite the front panel, the rear panel abutting the first side panel; the second side plate is detachably connected with the bottom plate and is opposite to the first side plate, and two sides of the second side plate are respectively adjacent to the front plate and the rear plate; the cover plate is detachably connected with the front plate, the first side plate, the rear plate and the second side plate and is opposite to the bottom plate; the side edges of adjacent three of the bottom plate, the front plate, the first side plate, the rear plate, the second side plate and the cover plate form gaps, the gaps are provided with mounting grooves, and the sealing blocks are arranged in the mounting grooves and seal the gaps. The galvanic pile packaging shell of the fuel cell has good sealing effect, low cost and convenient assembly.
Description
Technical Field
The utility model relates to the technical field of fuel cell stack packaging, in particular to a stack packaging shell of a fuel cell.
Background
A fuel cell is a device for generating electricity by using a chemical reaction of fuel, and is an important energy component of a fuel cell vehicle, and has a weak structure, so that the fuel cell stack is stored in a housing of the fuel cell stack in order to protect the fuel cell stack from an external force. The existing fuel cell stack housing is generally welded and integrally machined by adopting metal materials. However, since the volume of the fuel cell of the automobile is larger, the volume of the fuel cell shell is also larger, and the fuel cell shell needs higher structural strength to protect the fuel cell, the thickness of the fuel cell shell is not too thin, so that the fuel cell stack shell made of metal is generally difficult to process and has higher cost. With the development of the automobile industry, the demand for automobile fuel cell stacks is increasing, and thus there is a need for a fuel cell housing that is simple in structure and inexpensive to manufacture.
The high-integration metal plate fuel cell stack in the prior art discloses a split stack packaging structure, and a side surface packaging plate plays a role in fastening the stack, and has the defects that the split packaging cannot realize sealing, cannot reach the protection grade standard of the fuel cell for the vehicle, and the assembly size deviation cannot be ensured; on the other hand, the packaging structure is not provided with a positioning structure of the electric pile, and the electric pile is extremely easy to leak and fail due to vibration waist collapse under the vehicle or vibration condition.
The fuel cell system packaging shell in the prior art is formed by welding after connecting the middle annular side coaming in an ending way, and is formed by connecting and fastening a bottom plate and a cover plate with the annular side plate, wherein sealing rings are arranged at the bottom plate and the cover plate and are combined with the annular side plate. The annular side coaming is formed by welding, the processing technology is relatively complex, and the replaceability is not strong enough. The existing fuel cell shells are mostly formed by integrally processing, casting and welding, so that the fuel cell stack shell is generally difficult to process, high in cost and long in process complexity and consumption time, some fuel cell shells cannot achieve sealing, the protection grade standard of the vehicle fuel cell cannot be achieved, and the defects of the prior art are overcome, so that the fuel cell shell with a simple structure and low processing cost is needed.
The above information disclosed in the background section is only for enhancement of understanding of the background of the utility model and therefore may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model aims to provide a galvanic pile packaging shell of a fuel cell, which reduces processing cost and processing difficulty, is simple to install and short in consumed time, and has a remarkably improved sealing effect. In order to achieve the above object, the present utility model provides the following technical solutions:
the stack package case of a fuel cell of the present utility model includes:
a bottom plate;
a front plate detachably connected to the bottom plate;
a first side panel detachably connected to the bottom panel, the first side panel abutting the front panel;
a rear plate detachably connected to the bottom plate and opposite to the front plate, the rear plate abutting the first side plate;
the second side plate is detachably connected with the bottom plate and is opposite to the first side plate, and two sides of the second side plate are respectively adjacent to the front plate and the rear plate;
a cover plate detachably connecting the front plate, the first side plate, the rear plate and the second side plate and opposite to the bottom plate;
the side edges of adjacent three of the bottom plate, the front plate, the first side plate, the rear plate, the second side plate and the cover plate form gaps, the gaps are provided with mounting grooves, and the sealing blocks are arranged in the mounting grooves and seal the gaps.
In the stack packaging shell of the fuel cell, at least two sides of the notch are provided with mounting grooves.
In the stack package case of the fuel cell, the mounting groove is a slot extending in a direction away from the notch.
In the stack package case of a fuel cell, the sealing block includes a mounting piece inserted into the mounting groove and a filling sealing layer extending from the mounting piece toward the notch.
In the stack package housing of the fuel cell, the filling and sealing layer is provided with an arc-shaped surface which is attached to the periphery of the notch.
In the stack packaging shell of the fuel cell, the shape of the sealing block is adapted to the shape of the notch and is in interference fit with the notch.
In the stack packaging shell of the fuel cell, the side edges of adjacent three of the bottom plate, the front plate, the first side plate, the rear plate, the second side plate and the cover plate are provided with arc-shaped guide angles and are enclosed to form a notch.
In the stack packaging shell of the fuel cell, the contact surfaces of two adjacent bottom plates, the front plate, the first side plate, the rear plate, the second side plate and the cover plate are provided with sealing rings.
In the stack packaging shell of the fuel cell, the sealing ring is assembled on the contact surface of two adjacent bottom plates, the front plate, the first side plate, the rear plate, the second side plate and the cover plate through sealing grooves.
In the stack package case of the fuel cell, adjacent two of the front plate, the first side plate, the rear plate and the second side plate are connected via bolts.
In the technical scheme, the electric pile packaging shell of the fuel cell has the following beneficial effects: the utility model isolates the fuel cell stack from the outside, avoids the fuel cell stack from being physically damaged by the outside, and outputs the generated current to the outside through the power interface. The shell is provided with an inlet and an outlet for hydrogen, air and cooling liquid, which are convenient for pipeline connection. The fuel cell stack shell is simple in structure and convenient to install, the fuel cell stack shell can be linked through the bolts, welding is not needed, or the fuel cell stack shell is integrally machined, machining cost is reduced, parts of the shell are independent, the parts can be independently replaced, and maintenance cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic view of an exploded structure of a stack package case of a fuel cell.
Fig. 2 is a schematic diagram of a sealing structure of a stack package case of a fuel cell.
Fig. 3 is a schematic diagram of the seal block connection of the stack package housing of the fuel cell.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
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 apparatus 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 formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the 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.
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, in one embodiment, a stack package housing of a fuel cell of the present utility model,
a bottom plate 5;
a front plate 1 detachably connected to the bottom plate 5;
a first side plate 3 detachably connected to the bottom plate 5, the first side plate 3 abutting the front plate 1;
a rear plate 2 detachably connected to the bottom plate 5 and opposite to the front plate 1, the rear plate 2 abutting the first side plate 3;
a second side plate 4 detachably connected to the bottom plate 5 and opposite to the first side plate 3, both sides of the second side plate 4 being adjacent to the front plate 1 and the rear plate 2, respectively;
a cover plate 6 detachably connecting the front plate 1, the first side plate 3, the rear plate 2, and the second side plate 4 and opposing the bottom plate 5;
the side edges of adjacent three of the bottom plate 5, the front plate 1, the first side plate 3, the rear plate 2, the second side plate 4 and the cover plate 6 form gaps, the gaps are provided with mounting grooves 10, and the sealing blocks 7 are arranged in the mounting grooves 10 and seal the gaps.
In the preferred embodiment of the stack package housing of the fuel cell, at least two sides of the notch are provided with mounting grooves 10.
In the preferred embodiment of the stack package housing of a fuel cell, the mounting recess 10 is a slot extending away from the recess.
In the preferred embodiment of the stack package housing of the fuel cell, the sealing block 7 includes a mounting piece inserted into the mounting groove 10 and a filling and sealing layer extending from the mounting piece toward the notch.
In a preferred embodiment of the stack package housing of a fuel cell, the filler seal layer has an arcuate surface that conforms to the perimeter of the notch.
In the preferred embodiment of the stack package of the fuel cell, the shape of the sealing block 7 is adapted to the shape of the notch and is in interference fit with the notch.
In the preferred embodiment of the stack package of a fuel cell, the sides of adjacent three of the bottom plate 5, the front plate 1, the first side plate 3, the rear plate 2, the second side plate 4 and the cover plate 6 have rounded corners and form a notch.
In the preferred embodiment of the stack package of the fuel cell, the contact surfaces of two adjacent bottom plate 5, front plate 1, first side plate 3, rear plate 2, second side plate 4 and cover plate 6 are provided with sealing rings 9.
In the preferred embodiment of the stack package of the fuel cell, the sealing ring 9 is assembled on the contact surface of two adjacent bottom plate 5, front plate 1, first side plate 3, rear plate 2, second side plate 4 and cover plate 6 via sealing grooves.
In the preferred embodiment of the stack package of the fuel cell, adjacent two of the front plate 1, the first side plate 3, the rear plate 2 and the second side plate 4 are connected via bolts 8.
The installation flow of the electric pile packaging shell of the fuel cell is as follows: the bottom plate 5 and the cover plate 6, the first side plate 3, the second side plate 4, the front plate 1 and the rear plate 2 are respectively machined with threaded holes and sealing grooves by using plates. The sealing block 7 is processed into a finished product by using a processing center. The sealing rings 9 are not limited to the shape and the installation mode of the sealing rings 9, and are paved in sealing grooves of the bottom plate 5, the cover plate 6, the first side plate 3, the second side plate 4, the front plate 1 and the rear plate 2 by using suitable sealing rings 9. After the sealing grooves of the first side plate 3, the second side plate 4, the front plate 1 and the rear plate 2 are aligned, the annular plate is formed by fixing the sealing grooves with bolts. Four sealing blocks 7 connected with the bottom plate 5 are placed at the notch positions, and bolts are used for fastening the bottom plate 5 and the annular plate. Four sealing blocks 7 connected with the cover plate 6 are placed at the notch positions, the bottom plate 5 and the annular plate are connected and fastened by bolts, and the sealing shell is installed.
In one embodiment, sealing rings 9 are arranged among the bottom plate 5, the cover plate 6, the first side plate 3, the second side plate 4, the front plate 1 and the rear plate 2, the sealing rings 9 among the plates correspond to each other, gaps among every three plates are filled by sealing blocks 7, and the plates are fastened by bolts. Realizing the sealing effect. The sealing block 7 has a protruding mounting piece corresponding to the mounting groove 10 between the plates, so that the sealing block 7 can be prevented from being deviated and falling, and the sealing failure is caused.
In one embodiment, the housing body of the stack package housing of the fuel cell includes a bottom plate 5, a cover plate 6, a first side plate 3, a second side plate 4, a front plate 1, a rear plate 2, a seal block 7, bolts 8, a seal ring 9, and a mounting groove 10.
Finally, it should be noted that: the described embodiments are intended to be illustrative of only some, but not all, of the embodiments disclosed herein and, based on the embodiments disclosed herein, all other embodiments that may be made by those skilled in the art without the benefit of the teachings herein are intended to be within the scope of this application.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (10)
1. A stack enclosure for a fuel cell, comprising:
a bottom plate;
a front plate detachably connected to the bottom plate;
a first side panel detachably connected to the bottom panel, the first side panel abutting the front panel;
a rear plate detachably connected to the bottom plate and opposite to the front plate, the rear plate abutting the first side plate;
the second side plate is detachably connected with the bottom plate and is opposite to the first side plate, and two sides of the second side plate are respectively adjacent to the front plate and the rear plate;
a cover plate detachably connecting the front plate, the first side plate, the rear plate and the second side plate and opposite to the bottom plate;
the side edges of adjacent three of the bottom plate, the front plate, the first side plate, the rear plate, the second side plate and the cover plate form gaps, the gaps are provided with mounting grooves, and the sealing blocks are arranged in the mounting grooves and seal the gaps.
2. The stack package housing of a fuel cell according to claim 1, wherein at least two sides of the notch are provided with mounting grooves.
3. The stack package housing of a fuel cell according to claim 1, wherein the mounting recess is a slot extending away from the notch.
4. The stack package housing of a fuel cell according to claim 1, wherein the sealing block includes a mounting piece inserted into the mounting groove and a filler sealing layer extending from the mounting piece toward the notch.
5. The fuel cell stack package according to claim 4, wherein the filler seal layer has an arcuate surface that conforms to the perimeter of the notch.
6. The stack package housing of a fuel cell of claim 1, wherein the seal block is contoured to fit the shape of the notch and is interference fit with the notch.
7. The fuel cell stack package according to claim 1, wherein the sides of adjacent three of the bottom plate, the front plate, the first side plate, the rear plate, the second side plate and the cover plate have rounded corners and form a notch.
8. The stack package housing of a fuel cell according to claim 1, wherein the contact surfaces of adjacent two of the bottom plate, the front plate, the first side plate, the rear plate, the second side plate, and the cover plate are provided with sealing rings.
9. The stack package housing of a fuel cell according to claim 8, wherein the seal ring is fitted to a contact surface of adjacent two of the bottom plate, the front plate, the first side plate, the rear plate, the second side plate, and the cover plate via seal grooves.
10. The stack package housing of a fuel cell of claim 1, wherein adjacent two of the front plate, the first side plate, the rear plate, and the second side plate are connected via bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320200944.8U CN219371082U (en) | 2023-02-14 | 2023-02-14 | Pile packaging shell of fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320200944.8U CN219371082U (en) | 2023-02-14 | 2023-02-14 | Pile packaging shell of fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219371082U true CN219371082U (en) | 2023-07-18 |
Family
ID=87144325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320200944.8U Active CN219371082U (en) | 2023-02-14 | 2023-02-14 | Pile packaging shell of fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219371082U (en) |
-
2023
- 2023-02-14 CN CN202320200944.8U patent/CN219371082U/en active Active
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