CN216749993U - Cover plate for hydrogen fuel electric pile - Google Patents
Cover plate for hydrogen fuel electric pile Download PDFInfo
- Publication number
- CN216749993U CN216749993U CN202220423889.4U CN202220423889U CN216749993U CN 216749993 U CN216749993 U CN 216749993U CN 202220423889 U CN202220423889 U CN 202220423889U CN 216749993 U CN216749993 U CN 216749993U
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- China
- Prior art keywords
- cover plate
- support
- hydrogen fuel
- plate
- fuel cell
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- 239000000446 fuel Substances 0.000 title claims abstract description 34
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000001257 hydrogen Substances 0.000 title claims abstract description 28
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 28
- 230000007306 turnover Effects 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001936 parietal effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Fuel Cell (AREA)
Abstract
The utility model discloses a cover plate for a hydrogen fuel cell stack, which comprises an outer cover plate, an inner cover plate and a pressure-relieving support piece, wherein the inner cover plate is clamped on the outer cover plate, the pressure-relieving support piece is arranged between the inner cover plate and the outer cover plate, the upper end and the lower end of the pressure-relieving support piece are respectively contacted with the inner sides of the inner cover plate and the outer cover plate, a supporting positioning groove is arranged in the middle of the upper top wall of the outer cover plate, a plurality of groups of T-shaped clamping grooves are uniformly distributed at the periphery of the supporting positioning groove, a plurality of groups of T-shaped clamping blocks are uniformly distributed at the periphery of the side wall of the inner cover plate, the plurality of groups of T-shaped clamping blocks are opposite to the plurality of groups of T-shaped clamping grooves, and the inner cover plate is connected with the outer cover plate through the T-shaped clamping blocks and the T-shaped clamping grooves. The utility model relates to the technical field of hydrogen fuel galvanic piles, in particular to a cover plate with buffering function and good support property for a hydrogen fuel galvanic pile.
Description
Technical Field
The utility model relates to the technical field of hydrogen fuel galvanic piles, in particular to a cover plate for a hydrogen fuel galvanic pile.
Background
The fuel cell is an energy conversion device which does not cause any pollution to the environment and only generates water and heat during operation. The power generation efficiency of the fuel cell can reach more than 85 percent, which is determined by the conversion property of the fuel cell, chemical energy is directly converted into electric energy, and energy is consumed without intermediate conversion of heat energy and mechanical energy, so the fuel cell is also widely applied to the fields of aerospace, automobiles, power generation and the like, but the problems of easy deformation and low overall rigidity exist in the existing fuel cell stack cover plate. In the long-term use process, the end plate of the fuel cell stack is extruded by the fuel cell stack to deform due to uneven stress, so that the sealing and fixing effects are influenced; and most of the current fuel cell stack end plates are welded and formed by relying on an integral frame, so that the fuel cell stack end plates are inconvenient to disassemble. Therefore, in order to solve the existing problems, a cover plate for a hydrogen fuel cell stack, which has buffering and good support performance, is provided.
SUMMERY OF THE UTILITY MODEL
In view of the above circumstances, the present invention provides a cover plate for a hydrogen fuel cell stack having a buffer function and good support properties to overcome the current technical drawbacks.
The technical scheme adopted by the utility model is as follows: the utility model provides a hydrogen fuel is apron for pile, including outer apron, inner cup board and slow pressure support piece, the inner cup integrated circuit board closes and locates on the outer apron, slow pressure support piece locates between inner cup board and the outer apron, both ends contact with inner cup board and outer apron inboard respectively about the slow pressure support piece, the roof middle part is equipped with the support constant head tank on the outer apron, the equipartition of department all around of support constant head tank is equipped with multiunit T type screens groove, inner cup board lateral wall department equipartition all around is equipped with multiunit T type screens piece, multiunit T type screens piece and multiunit T type screens groove is relative, the inner cup board is connected with the outer apron through T type screens piece and T type screens groove.
The pressure-relieving support piece comprises a support structure plate, an upper pressure-relieving structure plate and a lower pressure-relieving structure plate, wherein the support structure plate is arranged in a support positioning groove, a bottom buffer groove is arranged in the middle of the support positioning groove, a top buffer groove is arranged in the middle of the bottom wall of the inner cover plate, the bottom buffer groove is opposite to the top buffer groove, the upper pressure-relieving structure plate is arranged at the top of the support structure plate, the upper pressure-relieving structure plate is embedded into the top buffer groove, the lower pressure-relieving structure plate is arranged at the bottom of the support structure plate, and the lower pressure-relieving structure plate is embedded into the bottom buffer groove.
Further, the upper cushioning structure plate and the lower cushioning structure plate are elastic sealing structure plates.
Furthermore, the periphery of the side wall of the supporting structure plate is attached to the periphery of the side wall of the supporting positioning groove, and the supporting structure plate can support the inner wall of the outer cover plate.
Furthermore, bolt mounting holes are formed in the periphery of the outer cover plate, and a plurality of groups of bolt mounting holes are uniformly distributed in the outer cover plate and located on the outer side of the supporting positioning groove.
Furthermore, both ends are equipped with business turn over gas pocket and business turn over water hole respectively on the outer apron, business turn over gas pocket and business turn over water hole are equipped with the multiunit, the multiunit business turn over water hole and business turn over gas hole all run through outer apron, slowly press support piece and interior apron, all be equipped with sealing connecting piece on business turn over water hole and the business turn over gas hole.
Furthermore, the middle part of the outer cover plate is provided with a plurality of groups of positioning pin holes, the plurality of groups of positioning pin holes sequentially penetrate through the outer cover plate, the slow-pressing supporting piece and the inner cover plate, and the fixing positions of the outer cover plate, the inner cover plate and the cell stack can be kept through the positioning pin holes.
Furthermore, hydrogen inlet and outlet holes are formed in two sides of the middle of the outer cover plate.
The utility model with the structure has the following beneficial effects: compared with other cover plates for hydrogen fuel galvanic pile, the cover plate for hydrogen fuel galvanic pile of the utility model has the advantages that: through last bradyseism structural slab and the bradyseism structural slab that sets up both ends around the bradyseism support piece, can absorb and adjust the power that transmits on the electric pile is with apron during the electric pile operation, can form the support to the electric pile apron through the support structural slab that sets up, can guarantee the atress ability of the apron for the electric pile, guaranteed the resistance to deformation ability of the apron for the electric pile again.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic view of an assembly structure of a cover plate for a hydrogen fuel cell stack according to the present invention;
FIG. 2 is a schematic diagram of an inner cover plate structure of a cover plate for a hydrogen fuel cell stack according to the present invention;
fig. 3 is a schematic view of a pressure-relieving support member of a cover plate for a hydrogen fuel cell stack according to the present invention.
Wherein, 1, outer apron, 2, interior apron, 3, slow pressure support piece, 4, support the constant head tank, 5, T type screens groove, 6, T type screens piece, 7, supporting structure board, 8, go up the bradyseism structural slab, 9, lower bradyseism structural slab, 10, bottom dashpot, 11, top dashpot, 12, bolt mounting hole, 13, business turn over gas pocket, 14, business turn over water hole, 15, location pinhole, 16, hydrogen business turn over hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; 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.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1, the technical solution adopted by the present invention is as follows: the utility model provides a hydrogen fuel is apron for pile, including outer apron 1, inner cover plate 2 and slow pressure support piece 3, 2 blocks of inner cover plate are located on outer apron 1, slow pressure support piece 3 is located between inner cover plate 2 and the outer apron 1, both ends contact with inner cover plate 2 and outer apron 1 inboard respectively about slow pressure support piece 3, outer apron 1 goes up the parietal middle part and is equipped with the support constant head tank 4, it is equipped with multiunit T type screens groove 5 to support constant head tank 4 equipartition all around, 2 lateral walls of inner cover plate equipartition all around are equipped with multiunit T type screens piece 6, multiunit T type screens piece 6 is relative with multiunit T type screens groove 5, inner cover plate 2 is connected with outer apron 1 through T type screens piece 6 and T type screens groove 5.
As shown in fig. 1 and 3, the pressure-relieving support piece 3 includes a support structure plate 7, an upper pressure-relieving structure plate 8 and a lower pressure-relieving structure plate 9, the support structure plate 7 is arranged in a support positioning groove 4, the middle part of the support positioning groove 4 is provided with a bottom buffer groove 10, the middle part of the lower bottom wall of the inner cover plate 2 is provided with a top buffer groove 11, the bottom buffer groove 10 is opposite to the top buffer groove 11, the upper pressure-relieving structure plate 8 is arranged at the upper top of the support structure plate 7, the upper pressure-relieving structure plate 8 is embedded into the top buffer groove 11, the lower pressure-relieving structure plate 9 is arranged at the lower bottom of the support structure plate 7, and the lower pressure-relieving structure plate 9 is embedded into the bottom buffer groove 10.
As shown in fig. 3, the upper and lower shock absorbing structural panels 8 and 9 are elastic sealing structural panels.
As shown in fig. 1, the periphery of the sidewall of the supporting structure plate 7 is attached to the periphery of the sidewall of the supporting positioning slot 4, and the supporting structure plate 7 can support the inner wall of the outer cover plate 1.
As shown in fig. 1, bolt mounting holes 12 are formed in the periphery of the outer cover plate 1, and a plurality of groups of bolt mounting holes 12 are uniformly distributed on the outer cover plate 1 and located outside the supporting and positioning groove 4.
As shown in figure 1, the outer cover plate 1 is provided with air inlet and outlet holes 13 and 14 at two ends thereof, the air inlet and outlet holes 13 and 14 are provided with a plurality of groups, the water inlet and outlet holes 14 and 13 penetrate through the outer cover plate 1, the pressure-reducing support member 3 and the inner cover plate 2, and the water inlet and outlet holes 14 and 13 are provided with sealing connecting members.
As shown in fig. 1, a plurality of sets of positioning pin holes 15 are formed in the middle of the outer cover plate 1, the plurality of sets of positioning pin holes 15 sequentially penetrate through the outer cover plate 1, the pressure-relieving supporting member 3 and the inner cover plate 2, and the fixing positions of the outer cover plate 1, the inner cover plate 2 and the cell stack can be kept through the positioning pin holes 15.
As shown in fig. 1, hydrogen inlet and outlet holes 16 are formed at both sides of the middle part of the outer cover plate 1.
During the specific use, will slow pressure support piece 3 card goes into outer apron 1 in, make in the bradyseism structure board 9 embedding bottom dashpot 10 down, make in the supporting structure board 7 embedding supporting constant head tank 4 to support constant head tank 4 department all around and form the support, support in the constant head tank 4 with inner cover plate 2 embedding, make T type screens piece 6 and the 5 blocks of T type screens groove, go up in bradyseism structure board 8 embedding top dashpot 11 this moment, the 2 outsides of inner cover plate are parallel with the 1 outside of outer apron, use the bayonet lock to pass through the fixed of T type screens groove 5 with outer apron 1 and inner cover plate 2 and battery heap, and paste tight with battery heap and inner cover plate 2 and the 1 outside wall of outer apron through screw rod and bolt mounting hole 12, can form firm bearing structure to outer apron 1 and inner cover plate 2 through the bradyseism support piece 3 that sets up, ensure the uniformity of fuel cell stack pressure.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A cover plate for a hydrogen fuel cell stack is characterized in that: including outer apron, inner cup board and slow pressure support piece, the inner cup integrated circuit board closes to be located on the outer apron, slow pressure support piece locates between inner cup board and the outer apron, both ends contact with inner cup board and outer apron inboard respectively about slow pressure support piece, the roof middle part is equipped with the support constant head tank on the outer apron, it is equipped with multiunit T type screens groove to support the constant head tank equipartition all around, inner cup board lateral wall department equipartition all around is equipped with multiunit T type screens piece, multiunit T type screens piece and multiunit T type screens groove is relative, the inner cup board is connected with the outer apron through T type screens piece and T type screens groove.
2. The cover plate for a hydrogen fuel cell stack according to claim 1, characterized in that: the pressure-relieving support piece comprises a support structure plate, an upper pressure-relieving structure plate and a lower pressure-relieving structure plate, wherein the support structure plate is arranged in a support positioning groove, a bottom buffer groove is arranged in the middle of the support positioning groove, a top buffer groove is arranged in the middle of the lower bottom wall of an inner cover plate, the bottom buffer groove is opposite to the top buffer groove, the upper pressure-relieving structure plate is arranged at the top of the support structure plate, the upper pressure-relieving structure plate is embedded into the top buffer groove, the lower pressure-relieving structure plate is arranged at the bottom of the support structure plate, and the lower pressure-relieving structure plate is embedded into the bottom buffer groove.
3. The cover plate for a hydrogen fuel cell stack according to claim 2, characterized in that: the upper cushioning structure plate and the lower cushioning structure plate are elastic sealing structure plates.
4. The cover plate for a hydrogen fuel cell stack according to claim 3, characterized in that: the periphery of the side wall of the supporting structure plate is attached to the periphery of the side wall of the supporting positioning groove.
5. The cover plate for a hydrogen fuel cell stack according to claim 4, characterized in that: the outer cover plate is provided with bolt mounting holes at the periphery, and a plurality of groups of bolt mounting holes are uniformly distributed on the outer cover plate and are positioned outside the supporting positioning grooves.
6. The cover plate for a hydrogen fuel cell stack according to claim 5, characterized in that: both ends are equipped with business turn over gas pocket and business turn over water hole respectively on the outer apron, business turn over gas pocket and business turn over water hole are equipped with the multiunit, the multiunit business turn over water hole and business turn over gas pocket all run through outer apron, slowly press support piece and interior apron, all be equipped with sealing connecting spare on business turn over water hole and the business turn over gas pocket.
7. The cover plate for a hydrogen fuel cell stack according to claim 6, characterized in that: the middle part of the outer cover plate is provided with a plurality of groups of positioning pin holes, and the plurality of groups of positioning pin holes sequentially penetrate through the outer cover plate, the slow-pressing supporting piece and the inner cover plate.
8. The cover plate for a hydrogen fuel cell stack according to claim 7, characterized in that: and hydrogen inlet and outlet holes are formed in two sides of the middle part of the outer cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220423889.4U CN216749993U (en) | 2022-03-01 | 2022-03-01 | Cover plate for hydrogen fuel electric pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220423889.4U CN216749993U (en) | 2022-03-01 | 2022-03-01 | Cover plate for hydrogen fuel electric pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216749993U true CN216749993U (en) | 2022-06-14 |
Family
ID=81920698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220423889.4U Expired - Fee Related CN216749993U (en) | 2022-03-01 | 2022-03-01 | Cover plate for hydrogen fuel electric pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216749993U (en) |
-
2022
- 2022-03-01 CN CN202220423889.4U patent/CN216749993U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220614 |
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| CF01 | Termination of patent right due to non-payment of annual fee |