CN209804810U - stacking structure of fuel cell - Google Patents
stacking structure of fuel cell Download PDFInfo
- Publication number
- CN209804810U CN209804810U CN201921046423.1U CN201921046423U CN209804810U CN 209804810 U CN209804810 U CN 209804810U CN 201921046423 U CN201921046423 U CN 201921046423U CN 209804810 U CN209804810 U CN 209804810U
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- CN
- China
- Prior art keywords
- fuel cell
- fastening pipe
- groove
- stack structure
- pipe sleeve
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Fuel Cell (AREA)
Abstract
The utility model discloses a fuel cell's stacked structure, including a plurality of bipolar plates and fuel cell, it is a plurality of bipolar plate and fuel cell are alternating stack together and constitute stacked structure, stacked structure's upper and lower both ends are bipolar plate, all be equipped with fixed frame on bipolar plate and fuel cell's the lateral wall, fixed frame internal symmetry is equipped with four mounting holes. The utility model discloses use fastening pipe box cooperation screw rod to fix stacked structure to it is inseparable to ensure to connect between the fixed frame of adjacent setting in the whole stacked structure, and the condition that air or fuel leaked from stacked structure can not appear, and ensures that air and fuel can not mix together, and, through the fixed stacking mechanism of back of fastening pipe box, it is more convenient when encapsulating it, thereby has improved the production machining efficiency of the group battery that fuel cell piles up the formation.
Description
Technical Field
The utility model relates to a fuel cell piles up technical field, especially relates to a fuel cell's stacked structure.
Background
a fuel cell is a chemical device that directly converts chemical energy possessed by a fuel into electrical energy, and its main structure includes electrodes, an electrolyte membrane, and bipolar plates. Since the single cells generate a voltage of less than about 1V, the generated voltage is generally increased by stacking them to constitute a fuel cell stack through a stack structure.
The existing fuel cell stack structure is generally formed by alternately stacking the fuel cells and the bipolar plates together, and then packaging the stack structure after the stack is finished, but after the stack structure of the existing fuel cell is completely stacked, because the stack structure is not pre-fixed, a large amount of time is wasted in the subsequent packaging process, and thus the production and processing efficiency of a cell stack formed by stacking the fuel cells is reduced.
Disclosure of Invention
The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the existing fuel cell stack structure is generally formed by alternately stacking the fuel cells and the bipolar plates together, and then packaging the stack structure after the stack is finished, but after the stack structure of the existing fuel cell is completely stacked, because the stack structure is not pre-fixed, a large amount of time is wasted in the subsequent packaging process, and thus the production and processing efficiency of a cell stack formed by stacking the fuel cells is reduced.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A fuel cell stack structure comprises a plurality of bipolar plates and fuel cells, wherein the bipolar plates and the fuel cells are stacked alternately to form the stack structure, the upper end and the lower end of the stack structure are the bipolar plates, the outer side walls of the bipolar plates and the fuel cells are respectively provided with a fixed frame, four mounting holes are symmetrically arranged in the fixed frame, threaded rods penetrate through the four mounting holes, the four threaded rods penetrate through the stack structure, fastening pipe sleeves are connected to the two ends of the four threaded rods in a threaded manner, one end of each fastening pipe sleeve, which is close to the stack structure, is provided with a threaded groove, one end of each threaded rod is connected in the threaded groove, a fuel cell packaging structure is arranged on the outer side wall of the stack structure, each fuel cell packaging structure comprises two end plates, the two end plates are respectively arranged at the two ends of the stack structure, two there is sealed shell through the welding of mode that seal welded between the end plate, sealed shell cover is established on stacked structure's lateral wall, two all be equipped with four stop device on the end plate is close to a lateral wall of fastening pipe box.
Preferably, stop device includes the draw-in groove, the draw-in groove sets up on the end plate is close to a lateral wall of fastening pipe box, fastening pipe box sliding connection is in the draw-in groove, the symmetry is equipped with four spouts, four on the inside wall of draw-in groove equal sliding connection has the slide bar in the spout, the spacing spring of fixedly connected with between the inside wall of slide bar and spout, be equipped with the recess on the lateral wall of fastening pipe box, the one end joint that the spout was kept away from to the slide bar is in the recess.
Preferably, the outer side wall of the fastening pipe sleeve is arranged in an inclined slope, the clamping groove is matched with the fastening pipe sleeve, and one end, close to the fastening pipe sleeve, of the sliding rod is arranged in a curved surface mode.
preferably, the side walls of the upper end and the lower end of the fixing frame are respectively provided with a silica gel pad.
Preferably, the outer side wall of the fastening pipe sleeve is provided with anti-skid stripes.
Preferably, a plurality of heat dissipation grooves are formed in the outer side wall of the sealing shell at equal intervals.
The utility model has the advantages that:
The fastening pipe sleeve is aligned to the clamping groove to be inserted, the sliding rod is firstly retracted into the sliding groove under the extrusion of the side wall of the inclined plane of the fastening pipe sleeve and then inserted into the groove under the elastic action of the limiting spring, so that the fastening pipe sleeve is limited and fixed by the aid of the elastic action of the limiting spring and matched with the sliding rod, namely, the stacking structure of the fuel cell is limited and fixed, and the fastening pipe sleeve and the end plate are connected together, so that the welding of the packaging structure is facilitated.
The fastening pipe sleeve is matched with the threaded rod to fix the stacking structure, so that the fixing frames which are arranged adjacently in the whole stacking structure are tightly connected, air or fuel leakage from the stacking structure cannot occur, air and fuel cannot be mixed together, the stacking structure is packaged more conveniently through the fastening pipe sleeve, and the production and processing efficiency of a battery pack formed by stacking fuel cells is improved.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a stacked structure of a fuel cell according to the present invention;
FIG. 2 is an enlarged view of the structure A of FIG. 1;
Fig. 3 is a schematic structural view of a fastening pipe sleeve of a stacked structure of a fuel cell according to the present invention;
Fig. 4 is a schematic structural diagram of a bipolar plate of a stacked structure of a fuel cell according to the present invention;
Fig. 5 is a schematic structural diagram of a fuel cell of a stacked structure of fuel cells according to the present invention;
Fig. 6 is a schematic structural diagram of a sealing case of a stacked structure of a fuel cell according to the present invention.
In the figure: 1 bipolar plate, 2 fuel cell, 3 fixed frame, 4 threaded rod, 5 fastening pipe sleeve, 6 threaded groove, 7 end plate, 8 sealing shell, 9 clamping groove, 10 sliding groove, 11 sliding rod, 12 limit spring and 13 groove.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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, and 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 therefore, should not be construed as limiting the present invention.
Referring to fig. 1-6, a fuel cell stack structure includes a plurality of bipolar plates 1 and fuel cells 2 (bipolar plates 1 and fuel cells 2 belong to the prior art, and the working principle and the connection mode thereof are not described in detail here), the bipolar plates 1 and fuel cells 2 are stacked alternately to form a stack structure, the upper and lower ends of the stack structure are the bipolar plates 1, the outer side walls of the bipolar plates 1 and fuel cells 2 are respectively provided with a fixing frame 3, and the arrangement of the fixing frames 3 can make the stacking of the bipolar plates 1 and fuel cells 2 more simple and convenient, and is convenient for operation, thereby improving the working efficiency of the stacking of the fuel cells 2.
All be equipped with the silica gel pad on the upper and lower both ends lateral wall of fixed frame 3, utilize the elasticity of silica gel pad, prevent because of the condition appearance of mutual extrusion deformation between bipolar plate 1 and the fuel cell 2 of the too big appearance of adjacent setting of pressure between the internal fixation frame 3 of stacked structure, and, the setting of silica gel pad can be sealed the gap between the fixed frame 3, thereby ensure that air and fuel can not mix together, the internal symmetry of fixed frame 3 is equipped with four mounting holes, all run through threaded rod 4 in four mounting holes, four threaded rod 4 all run through the stacked structure.
Equal threaded connection has fastening pipe box 5 on the both ends of four threaded rods 4, be equipped with thread groove 6 in fastening pipe box 5 is close to the one end of stacked structure, the one end threaded connection of threaded rod 4 is in thread groove 6, use fastening pipe box 5 cooperation threaded rod 4 to fix stacked structure, thereby ensure to connect closely between the fixed frame 3 of adjacent setting in the whole stacked structure, the condition that air or fuel leaked from the stacked structure can not appear, and ensure that air and fuel can not mix together, and, through the fixed pile up mechanism of fastening pipe box 5 after, it is more convenient when encapsulating it, thereby the production machining efficiency of the group battery that fuel cell 2 piles up the formation has been improved.
The outer side wall of the fastening pipe sleeve 5 is provided with anti-skid stripes, the fastening pipe sleeve 5 is more convenient to twist, the outer side wall of the stacking structure is provided with a fuel cell packaging structure, the fuel cell packaging structure comprises two end plates 7, the two end plates 7 are respectively arranged at two ends of the stacking structure, a sealing shell 8 is welded between the two end plates 7 in a sealing welding mode, the sealing shell 8 covers the outer side wall of the stacking structure, and the two end plates 7 are respectively provided with an air supply pipeline and a fuel supply pipeline (not shown) and are responsible for respectively supplying air and fuel to an air electrode and a fuel electrode of the fuel cell 2.
Equidistant being equipped with a plurality of radiating grooves on the lateral wall of sealed shell 8, owing to having piled up a plurality of fuel cell 2 in the stacked structure, consequently can produce a large amount of heats at the during operation, the setting of radiating groove on the sealed shell 8, thereby area of contact through increase sealed shell 8 and outside air improves the radiating efficiency of sealed shell 8, the stacked structure of guaranteeing fuel cell 1 can normally work, two end plate 7 all are equipped with four stop device on being close to a lateral wall of fastening pipe box 5, stop device includes draw-in groove 9, draw-in groove 9 sets up on end plate 7 is close to a lateral wall of fastening pipe box 5.
Fastening pipe box 5 sliding connection is in draw-in groove 9, the symmetry is equipped with four spouts 10 on the inside wall of draw-in groove 9, equal sliding connection has slide bar 11 in four spouts 10, fixedly connected with spacing spring 12 between the inside wall of slide bar 11 and spout 10, be equipped with recess 13 on the outside wall of fastening pipe box 5, slide bar 11 keeps away from the one end joint of spout 10 in recess 13, the outside wall of fastening pipe box 5 is the inclined plane setting of slope, draw-in groove 9 and fastening pipe box 5 phase-match.
slide bar 11 is close to the one end of fastening pipe box 5 and is the curved surface setting, will fasten pipe box 5 and aim at draw-in groove 9 and insert, under the extrusion of the inclined plane lateral wall of fastening pipe box 5, slide bar 11 is earlier in retraction spout 10, then insert in recess 13 under spacing spring 12's elastic force effect, thereby with the help of spacing spring 12's elastic force effect, cooperation slide bar 11 carries out spacing fixed to fastening pipe box 5, carry out spacing fixed to fuel cell 1's stacked structure promptly, link together it and end plate 7, thereby packaging structure's welding has been made things convenient for.
in the utility model, when a user uses the device, firstly, a fastening pipe sleeve 5 is installed on one end of a threaded rod 4, then, one end of the threaded rod 4, which is provided with the fastening pipe sleeve 5, is inserted into a clamping groove 9 on an end plate 7, after four threaded rods 4 are sequentially inserted, a mounting hole on a fixing frame 3 is aligned with the threaded rod 4, so as to stack a plurality of bipolar plates 1 and fuel cells 2 alternately to form a stacked structure, the upper end and the lower end of the stacked structure are the bipolar plates 1, after the stacked structure is stacked, another fastening pipe sleeve 5 is installed on the top end of the threaded rod 4, the stacked structure is compressed, so as to prevent the air and the fuel in the stacked structure from mixing and avoid the fuel and the air in the stacked structure from leaking out, then, a sealing shell 8 is covered on the outer side wall of the stacked structure, then, another end plate 7 is installed on the top end of the stacked structure, finally, the sealing shell 8, the packaging structure with good sealing performance is formed, and the stacking structure is mounted on the end plate 7 at the bottom of the packaging structure in advance, so that the whole process is simple to operate and convenient to mount, and the production and processing efficiency of the fuel cell 2 stacking battery pack can be greatly improved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The fuel cell stack structure comprises a plurality of bipolar plates (1) and fuel cells (2), and is characterized in that the bipolar plates (1) and the fuel cells (2) are stacked alternately to form the stack structure, the upper end and the lower end of the stack structure are the bipolar plates (1), the outer side walls of the bipolar plates (1) and the fuel cells (2) are respectively provided with a fixed frame (3), the fixed frame (3) is internally and symmetrically provided with four mounting holes, threaded rods (4) penetrate through the four mounting holes, the four threaded rods (4) penetrate through the stack structure, the two ends of the four threaded rods (4) are respectively in threaded connection with a fastening pipe sleeve (5), one end of the fastening pipe sleeve (5), which is close to the stack structure, is internally provided with a threaded groove (6), one end of the threaded rod (4) is in the threaded groove (6), be equipped with fuel cell packaging structure on stacked structure's the lateral wall, fuel cell packaging structure includes two end plates (7), two end plate (7) set up respectively at stacked structure's both ends, two sealed shell (8) have through the mode welding of seal welding between end plate (7), sealed shell (8) cover is established on stacked structure's lateral wall, two all be equipped with four stop device on end plate (7) are close to a lateral wall of fastening pipe box (5).
2. The fuel cell stack structure according to claim 1, wherein the limiting device comprises a clamping groove (9), the clamping groove (9) is disposed on a side wall of the end plate (7) close to the fastening pipe sleeve (5), the fastening pipe sleeve (5) is slidably connected in the clamping groove (9), four sliding grooves (10) are symmetrically disposed on an inner side wall of the clamping groove (9), a sliding rod (11) is slidably connected in each of the four sliding grooves (10), a limiting spring (12) is fixedly connected between each sliding rod (11) and the inner side wall of each sliding groove (10), a groove (13) is disposed on an outer side wall of the fastening pipe sleeve (5), and one end of each sliding rod (11) far away from each sliding groove (10) is clamped in the groove (13).
3. The fuel cell stack structure according to claim 2, wherein the outer side wall of the fastening pipe sleeve (5) is provided with an inclined slope, the locking groove (9) is matched with the fastening pipe sleeve (5), and one end of the sliding rod (11) close to the fastening pipe sleeve (5) is provided with a curved surface.
4. the stack structure of a fuel cell according to claim 1, wherein the fixing frame (3) is provided with silicone gaskets on the upper and lower end side walls.
5. The stack structure of a fuel cell according to claim 1, wherein the fastening sleeve (5) is provided on its outer side wall with anti-slip stripes.
6. A fuel cell stack structure according to claim 1, wherein a plurality of heat dissipation grooves are provided on the outer side wall of the sealing case (8) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921046423.1U CN209804810U (en) | 2019-07-06 | 2019-07-06 | stacking structure of fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921046423.1U CN209804810U (en) | 2019-07-06 | 2019-07-06 | stacking structure of fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209804810U true CN209804810U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921046423.1U Active CN209804810U (en) | 2019-07-06 | 2019-07-06 | stacking structure of fuel cell |
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| CN (1) | CN209804810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021138066A1 (en) * | 2019-12-30 | 2021-07-08 | Doosan Fuel Cell America, Inc. | Fuel cell tie rod isolator |
| CN114335840A (en) * | 2021-11-23 | 2022-04-12 | 卞东浩 | Battery stacking module with assembling and arranging functions for new energy automobile |
-
2019
- 2019-07-06 CN CN201921046423.1U patent/CN209804810U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021138066A1 (en) * | 2019-12-30 | 2021-07-08 | Doosan Fuel Cell America, Inc. | Fuel cell tie rod isolator |
| US11322771B2 (en) | 2019-12-30 | 2022-05-03 | Hyaxiom, Inc. | Fuel cell tie rod isolator |
| CN114335840A (en) * | 2021-11-23 | 2022-04-12 | 卞东浩 | Battery stacking module with assembling and arranging functions for new energy automobile |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211229 Address after: 200000 room b05-18, floor 4b, 2300 Yangshupu Road, Yangpu District, Shanghai Patentee after: SHANGHAI BOXUAN ENERGY TECHNOLOGY CO.,LTD. Address before: 201199 room b288, building 2, 889 Qishen Road, Minhang District, Shanghai Patentee before: SHANGHAI YINAI POWER SYSTEM Co.,Ltd. |