CN215815968U - Fuel cell and vehicle - Google Patents
Fuel cell and vehicle Download PDFInfo
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- CN215815968U CN215815968U CN202122265060.4U CN202122265060U CN215815968U CN 215815968 U CN215815968 U CN 215815968U CN 202122265060 U CN202122265060 U CN 202122265060U CN 215815968 U CN215815968 U CN 215815968U
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- copper bar
- main body
- fuel cell
- fixing member
- pile
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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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Abstract
The utility model provides a fuel cell and a vehicle, and relates to the technical field of fuel cells, wherein the fuel cell provided by the utility model comprises a cell stack main body, an output plug-in assembly, a first copper bar, a second copper bar and a fixing assembly; the battery pile main part both sides have the pile positive pole and pile negative pole, and positive and output grafting subassembly of pile are connected to first copper bar, and pile negative pole and output grafting subassembly are connected to the second copper bar, and first copper bar is fixed in the battery pile main part through fixed subassembly, and/or, the second copper bar is fixed in the battery pile main part through fixed subassembly. The utility model solves the technical problem that the copper bar is difficult to reliably fix in the vibration process of the galvanic pile in the related technology.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to a fuel cell and a vehicle.
Background
The anode and cathode of the fuel cell stack are generally two high-conductivity metal plates with plating layers on the surfaces, and the anode and cathode metal plates collect electrons generated by redox reaction of the fuel cell stack and then convey the electrons to a load through a copper bar.
Because of the stacking technology of the fuel cell, the distance between the anode and the cathode of the fuel cell is generally longer, generally about 500-600mm, and in the prior art, one of the anode and the cathode is led to the other electrode through a collector plate to be output, so that the anode and the cathode are at the same position.
The above scheme has at least the following disadvantages: lead to the position of another utmost point through the copper bar with a utmost point, the length of copper bar is longer, is difficult to guarantee that the pile is reliably fixed at vibration in-process copper bar, if use a plurality of copper bar overlap joints, then can improve the design degree of difficulty, is difficult to fix the copper bar.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fuel cell and a vehicle, which are used for relieving the technical problem that a copper bar is difficult to reliably fix in the vibration process of a galvanic pile in the related technology.
In a first aspect, the present invention provides a fuel cell comprising: the battery pack comprises a battery pack main body, an output plug-in assembly, a first copper bar, a second copper bar and a fixing assembly;
the utility model discloses a battery pile, including battery pile main part, first copper bar, second copper bar, fixed subassembly, first copper bar, second copper bar, first copper bar, second, first copper bar, second copper bar, first copper bar, second, first copper bar, second copper bar, second, first copper bar, second copper bar, first copper bar, second, first copper bar, second copper bar, first copper bar, second, first copper bar, second, first copper bar, second, first copper bar, second, first copper bar, second, first copper bar, second, first copper bar, second, first copper bar, second, first, second, first copper bar, second, first, second, first, second, first, second, first, second, first, second.
In an optional embodiment, it is preferable that the output plug assembly is disposed on a side close to the cathode of the cell stack, and the first copper bar is fixed to the cell stack main body through the fixing assembly.
In an optional embodiment, it is preferable that the fixing assembly includes a first fixing member and a second fixing member, the first fixing member is disposed between the first copper bar and the cell stack main body and connected to the cell stack main body, and the second fixing member is disposed on a side of the first copper bar away from the first fixing member and connected to the first fixing member.
In an optional embodiment, more preferably, the first fixing piece includes a first fixing piece main body, the first fixing piece main body has a supporting surface, and the supporting surface abuts against the lower end surface of the first copper bar;
the first fixing part main body and the side face, deviating from the supporting face, of the supporting face are provided with a plurality of fixing grooves, and the fixing grooves are matched with fastening screws on the cell stack main body.
In an optional embodiment, preferably, the second fixing member includes a second fixing member main body, a limiting groove is formed in the second fixing member main body, and the limiting groove is adapted to the first copper bar.
In an alternative embodiment, it is preferable that the second fixing member is detachably mounted to the first fixing member by a connecting member.
In an optional embodiment, it is preferable that the first copper bar includes a first connection portion and a second connection portion, the first connection portion and the second connection portion are connected at an included angle, the first connection portion is connected with the positive electrode of the stack, and the second connection portion is connected with the output plug assembly; the first connecting portion is provided with a limiting structure, and the second fixing piece is arranged between the limiting structure and the second connecting portion.
In an optional implementation manner, it is preferable that the limiting structure includes a plurality of limiting protrusions, and the plurality of limiting protrusions are respectively disposed on two opposite side edges of the first connection portion.
In an alternative embodiment, it is preferable that both ends of the cell stack main body are respectively provided with an inlet end plate and an outlet end plate; and a plurality of fastening screws are arranged between the air inlet end plate and the air outlet end plate.
In a second aspect, the present invention provides a vehicle comprising a fuel cell according to any one of the embodiments of the first aspect.
By adopting the technical scheme, the utility model can realize the following beneficial effects:
an embodiment of the present invention provides a fuel cell, including: the battery pack comprises a battery pack main body, an output plug-in assembly, a first copper bar, a second copper bar and a fixing assembly; the battery pile main part both sides have the pile positive pole and pile negative pole, and positive and output grafting subassembly of pile are connected to first copper bar, and pile negative pole and output grafting subassembly are connected to the second copper bar, and first copper bar is fixed in the battery pile main part through fixed subassembly, and/or, the second copper bar is fixed in the battery pile main part through fixed subassembly. According to the fuel cell, the positive electrode of the pile and the negative electrode of the pile are led to the same position through the first copper bar and/or the second copper bar and are connected with the output insertion assembly, so that the positions of the positive load and the negative load are put together, the connection with an external load is facilitated, the first copper bar and/or the second copper bar are fixed with the cell pile main body through the fixing assembly, and the reliable fixing of the copper bars in the vibration process of the cell pile main body is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a fuel cell provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first fixing member of a fuel cell according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a second fixing member of a fuel cell according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating connection between a first fixing member, a second fixing member and a first copper bar of a fuel cell according to an embodiment of the present invention.
Icon: 100-a stack body; 101-a stack positive electrode; 102-stack cathode; 103-an air inlet end plate; 104-an outlet end plate; 105-a fastening screw;
200-an output plug-in assembly;
301-a first copper bar; 3011-a first connection; 3012-a second connection portion; 302-a second copper bar;
400-a first fixture; 401 — a first mount body; 402-a support surface; 403-fixing groove; 404-a first connection hole;
500-a second fixture; 501-a second fixture body; 502-a limit groove; 503-second connection hole;
600-bolt; 701-limiting protrusion.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
The present embodiment provides a fuel cell, and referring to fig. 1 to 4, the fuel cell includes: the battery pack comprises a battery pack main body 100, an output plug-in assembly 200, a first copper bar 301, a second copper bar 302 and a fixing assembly; the two sides of the cell stack main body 100 are provided with a cell stack anode 101 and a cell stack cathode 102, the first copper bar 301 is connected with the cell stack anode 101 and the output plug-in assembly 200, the second copper bar 302 is connected with the cell stack cathode 102 and the output plug-in assembly 200, the first copper bar 301 is fixed on the cell stack main body 100 through a fixing assembly, and/or the second copper bar 302 is fixed on the cell stack main body 100 through a fixing assembly.
The fuel cell of the embodiment leads the positive electrode 101 and the negative electrode 102 of the stack to the same position through the first copper bar 301 and/or the second copper bar 302 and is connected with the output plug-in assembly 200, so that the positions of the positive load and the negative load are put together, connection with an external load is facilitated, the first copper bar 301 and/or the second copper bar 302 are fixed with the cell stack main body 100 through the fixing assembly, and reliable fixation of the copper bars in the vibration process of the cell stack main body 100 is ensured.
Referring to fig. 1 and 4, in the present embodiment, preferably, the output plug assembly 200 is disposed on a side close to the cathode 102 of the stack, and the first copper bar 301 is fixed to the stack body 100 through a fixing assembly.
Specifically, output plug assembly 200 includes first plug connector and second plug connector, first plug connector and second plug connector set up in the one side that is close to pile negative pole 102, positive 101 and first plug connector of pile are connected to first copper bar 301, pile negative pole 102 and second plug connector are connected to second copper bar 302, the both ends of first copper bar 301 are equipped with first mounting hole respectively, be connected first copper bar 301 respectively with pile positive pole 101 and first plug connector bolt 600 through first mounting hole, the both ends of second copper bar 302 are equipped with the second mounting hole respectively, be connected second copper bar 302 respectively with pile negative pole 102 and second plug connector bolt 600 through the second mounting hole. Because first copper bar 301 causes first plug connector to one side of second plug connector for first copper bar 301's length is longer, and first copper bar 301 is fixed in battery pile main part 100 through fixed subassembly, carries out spacing fixed with first copper bar 301 and battery pile main part 100 through setting up fixed subassembly, guarantees that battery pile main part 100 is reliably fixed at first copper bar 301 of vibration in-process.
In other embodiments, the output plug assembly 200 may be disposed on a side near the stack anode 101, or disposed at an intermediate position between the stack anode 101 and the stack cathode 102.
When the output plug-in assembly 200 is arranged at one side close to the positive electrode 101 of the stack, the second copper bar 302 is fixed on the stack main body 100 through the fixing assembly; when the output plug assembly 200 is disposed between the stack anode 101 and the stack cathode 102, the first copper bar 301 and the second copper bar 302 are fixed to the stack body 100 through the fixing assembly.
With reference to fig. 1 and fig. 4, in the present embodiment, preferably, the fixing assembly includes a first fixing member 400 and a second fixing member 500, the first fixing member 400 is disposed between the first copper bar 301 and the cell stack main body 100 and connected to the cell stack main body 100, and the second fixing member 500 is disposed on a side of the first copper bar 301 departing from the first fixing member 400 and connected to the first fixing member 400.
Specifically, first mounting 400 is installed between first copper bar 301 and cell stack main part 100, the up end of first mounting 400 and the lower terminal surface butt of first copper bar 301, play the supporting role to first copper bar 301, the lower terminal surface of first mounting 400 is connected with cell stack main part 100, avoid cell stack main part 100 at the vibration in-process, the relative movement of first mounting 400 and cell stack main part 100, thereby make first copper bar 301 and cell stack main part 100 relatively fixed, guarantee the reliable fixed of cell stack main part 100 at first copper bar 301 of vibration in-process. The second fixing piece 500 is arranged on one side, deviating from the first fixing piece 400, of the first copper bar 301 and is connected with the first fixing piece 400, the second fixing piece 500 is arranged, the second fixing piece 500 is fixed on the first fixing piece 400, the first copper bar 301 is fixed between the first fixing piece 400 and the second fixing piece 500, the first copper bar 301 is prevented from moving in the vertical direction and the horizontal direction, and the stability of the first copper bar 301 is further improved.
Referring to fig. 2, in the embodiment, preferably, the first fixing member 400 includes a first fixing member main body 401, the first fixing member main body 401 has a supporting surface 402, and the supporting surface 402 abuts against the lower end surface of the first copper bar 301; the side of the first fixing member main body 401 facing away from the support surface 402 is provided with a plurality of fixing grooves 403, and the plurality of fixing grooves 403 are matched with the fastening screws 105 on the cell stack main body 100.
Specifically, the stack body 100 is provided at both ends thereof with an inlet end plate 103 and an outlet end plate 104, respectively, and a plurality of fastening screws 105 are provided between the inlet end plate 103 and the outlet end plate 104, and the plurality of fastening screws 105 are disposed at uniform intervals. In the assembly process, an O-ring is arranged at the position where the fastening screw 105 is connected to the inner sides of the inlet end plate 103 and the outlet end plate 104, the fastening screw 105 is fixed on the outer sides of the inlet end plate 103 and the outlet end plate 104 through a flange nut or a standard nut, and a spring gasket and a flat gasket are generally required to be arranged.
It should be noted that the number of the fixing grooves 403 is not limited to the above number, and in other embodiments, the number of the fixing grooves 403 may be specifically set according to actual needs as long as the fixing grooves 403 are matched with two adjacent fastening screws 105 on the cell stack main body 100.
Referring to fig. 3, in the present embodiment, preferably, the second fixing member 500 includes a second fixing member main body 501, a limiting groove 502 is formed on the second fixing member main body 501, and the limiting groove 502 is adapted to the first copper bar 301.
Specifically, both ends of the second fixing member main body 501 are provided with two mounting portions, the two mounting portions are respectively disposed at both ends of the limiting groove 502, and the axis of the limiting groove 502 coincides with the axis of the second fixing member 500. Be equipped with second connecting hole 503 on two installation departments respectively, the quantity of second connecting hole 503 is two in this embodiment, and with the corresponding setting of first connecting hole 404, through first connecting hole 404 and second connecting hole 503, installs second mounting 500 on first mounting 400 through bolt 600, and the installation and the change of first mounting 400, first copper bar 301 and second mounting 500 are convenient for to detachable mounting structure. The width of spacing groove 502 is the same with the width of first copper bar 301, makes first copper bar 301 be fixed in spacing groove 502 in, avoids the ascending removal of first copper bar 301 in the horizontal direction, improves the stability of first copper bar 301.
Referring to fig. 4, the first copper bar 301 includes a first connection portion 3011 and a second connection portion 3012, the first connection portion 3011 and the second connection portion 3012 are connected at an included angle, the first connection portion 3011 is connected to the stack anode 101, and the second connection portion 3012 is connected to the output plug assembly 200; the first connecting portion 3011 is provided with a limiting structure, and the second fixing member 500 is disposed between the limiting structure and the second connecting portion 3012.
Specifically, first connecting portion 3011 and second connecting portion 3012 structure as an organic whole, guarantee the bulk strength of first copper bar 301, the contained angle between first connecting portion 3011 and the second connecting portion 3012 is 90, is equipped with first mounting hole on first connecting portion 3011 and the second connecting portion 3012, is connected first copper bar 301 with positive 101 of pile and first plug connector bolt 600 respectively through first mounting hole. Be equipped with limit structure on first connecting portion 3011, limit structure includes a plurality of spacing archs 701, the quantity of spacing archs 701 is two in this embodiment, two spacing archs 701 set up respectively on the relative both sides limit of first connecting portion 3011, and the extending direction of two spacing archs 701 is parallel with the extending direction of second connecting portion 3012, spacing archs 701 is close to the terminal surface of second connecting portion 3012 and the installation department butt at second mounting 500 both ends, through setting up spacing archs 701, spacing archs 701 is spacing to second mounting 500 with second connecting portion 3012, make the removal of restriction second mounting 500 on the horizontal direction, carry on spacingly to first copper bar 301 simultaneously, further improve the reliability to first copper bar 301.
Example two
The present embodiment provides a vehicle including a fuel cell.
The vehicle provided by the embodiment is provided with the fuel cell of the first embodiment, and the fuel cell comprises a cell stack main body 100, an output plug-in assembly 200, a first copper bar 301, a second copper bar 302 and a fixing assembly; the two sides of the cell stack main body 100 are provided with a cell stack anode 101 and a cell stack cathode 102, the first copper bar 301 is connected with the cell stack anode 101 and the output plug-in assembly 200, the second copper bar 302 is connected with the cell stack cathode 102 and the output plug-in assembly 200, the first copper bar 301 is fixed on the cell stack main body 100 through a fixing assembly, and/or the second copper bar 302 is fixed on the cell stack main body 100 through a fixing assembly. In the fuel cell according to the first embodiment, the first copper bar 301 and/or the second copper bar 302 are used for guiding the stack anode 101 and the stack cathode 102 to the same position and are connected with the output plug-in assembly 200, so that the positions of anode and cathode load output are put together, connection with an external load is facilitated, the first copper bar 301 and/or the second copper bar 302 are fixed with the cell stack main body 100 through the fixing assembly, and reliable fixation of the copper bars in the vibration process of the cell stack main body 100 is ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A fuel cell, comprising: the battery pack comprises a battery pack main body (100), an output plug-in assembly (200), a first copper bar (301), a second copper bar (302) and a fixing assembly;
the utility model discloses a battery pile, including battery pile main part (100), first copper bar (301) are connected positive (101) of pile and pile negative pole (102), first copper bar (301) are connected positive (101) of pile with output plug-in components (200), second copper bar (302) are connected pile negative pole (102) with output plug-in components (200), first copper bar (301) pass through fixed subassembly is fixed in battery pile main part (100), and/or, second copper bar (302) pass through fixed subassembly is fixed in battery pile main part (100).
2. The fuel cell of claim 1, wherein the output plug assembly (200) is disposed on a side adjacent to the stack cathode (102).
3. The fuel cell according to claim 2, wherein the fixing assembly comprises a first fixing member (400) and a second fixing member (500), the first fixing member (400) is arranged between the first copper bar (301) and the stack main body (100) and is connected with the stack main body (100), and the second fixing member (500) is arranged on the side of the first copper bar (301) facing away from the first fixing member (400) and is connected with the first fixing member (400).
4. A fuel cell according to claim 3, wherein the first mount (400) comprises a first mount main body (401), the first mount main body (401) having a support face (402), the support face (402) abutting against a lower end face of the first copper bar (301);
the side face, which is far away from the supporting face (402), of the first fixing piece main body (401) is provided with a plurality of fixing grooves (403), and the plurality of fixing grooves (403) are matched with fastening screws (105) on the cell stack main body (100).
5. The fuel cell according to claim 3, wherein the second fixing member (500) comprises a second fixing member main body (501), a limiting groove (502) is formed in the second fixing member main body (501), and the limiting groove (502) is matched with the first copper bar (301).
6. The fuel cell according to claim 5, wherein the second mount (500) is mounted to the first mount (400) by a connector.
7. The fuel cell according to claim 4, wherein the first copper bar (301) comprises a first connection portion (3011) and a second connection portion (3012), the first connection portion (3011) and the second connection portion (3012) are connected at an included angle, the first connection portion (3011) is connected with the stack anode (101), and the second connection portion (3012) is connected with the output plug assembly (200); the first connecting portion (3011) is provided with a limiting structure, and the second fixing piece (500) is arranged between the limiting structure and the second connecting portion (3012).
8. The fuel cell according to claim 7, wherein the limiting structure comprises a plurality of limiting protrusions (701), and the limiting protrusions (701) are respectively arranged on two opposite sides of the first connecting portion (3011).
9. The fuel cell according to claim 1, wherein both ends of the cell stack main body (100) are provided with an inlet end plate (103) and an outlet end plate (104), respectively; and a plurality of fastening screws (105) are arranged between the air inlet end plate (103) and the air outlet end plate (104).
10. A vehicle characterized by comprising the fuel cell according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122265060.4U CN215815968U (en) | 2021-09-17 | 2021-09-17 | Fuel cell and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122265060.4U CN215815968U (en) | 2021-09-17 | 2021-09-17 | Fuel cell and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215815968U true CN215815968U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122265060.4U Active CN215815968U (en) | 2021-09-17 | 2021-09-17 | Fuel cell and vehicle |
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| Country | Link |
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| CN (1) | CN215815968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114792833A (en) * | 2022-03-25 | 2022-07-26 | 东风汽车集团股份有限公司 | High-voltage assembly, fuel cell module and vehicle |
-
2021
- 2021-09-17 CN CN202122265060.4U patent/CN215815968U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114792833A (en) * | 2022-03-25 | 2022-07-26 | 东风汽车集团股份有限公司 | High-voltage assembly, fuel cell module and vehicle |
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