CN219738992U - Repairing device for graphite bipolar plate - Google Patents
Repairing device for graphite bipolar plate Download PDFInfo
- Publication number
- CN219738992U CN219738992U CN202320532301.3U CN202320532301U CN219738992U CN 219738992 U CN219738992 U CN 219738992U CN 202320532301 U CN202320532301 U CN 202320532301U CN 219738992 U CN219738992 U CN 219738992U
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- CN
- China
- Prior art keywords
- water tank
- graphite bipolar
- water
- water pump
- repairing device
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 39
- 239000010439 graphite Substances 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 95
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 8
- 230000000007 visual effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 5
- 230000008439 repair process Effects 0.000 abstract description 4
- 239000003570 air Substances 0.000 description 28
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model provides a repairing device for a graphite bipolar plate, and belongs to the technical field of fuel cells. The method solves the technical problems that the existing graphite bipolar plate is troublesome to repair and the like. The repairing device for the graphite bipolar plate comprises a water tank, a water pump, an air heating box and a false electric pile, and is characterized in that a water inlet of the water pump is connected with the water tank, a water outlet of the water pump is connected with the false electric pile through a waterway pressure gauge, the false electric pile is connected with a water tank loop pipe through a pipeline II, the water tank loop pipe is communicated with the water tank, and the false electric pile is connected with an outlet of the air heating box through the air pressure gauge. The utility model has the advantage of greatly prolonging the service life of the graphite bipolar plate.
Description
Technical Field
The utility model belongs to the technical field of fuel cells, and relates to a repairing device, in particular to a repairing device for a graphite bipolar plate.
Background
Along with the vigorous development of hydrogen energy projects, the application scene of hydrogen fuel cells is also continuously prolonged and expanded, and the industrialization promotion is accelerating. Bipolar plates, which are one of the major components of hydrogen fuel cells, are currently divided into two types: metal bipolar plates and graphite bipolar plates. The graphite bipolar plate can generate a series leakage phenomenon after running for a certain time, and finally the service life of the fuel cell is influenced, which is caused by the slow separation of the epoxy resin of the condensed juice in the production process of the graphite bipolar plate.
Therefore, in view of the above problems, it is necessary to design a repair device for graphite bipolar plates. The utility model uses the principle of re-leaching to re-repair the graphite bipolar plate with micro leakage and air leakage, so that the graphite bipolar plate can be used continuously, and the service life of the graphite bipolar plate is greatly prolonged.
Disclosure of Invention
The utility model aims at solving the problems in the prior art, and provides a repairing device for a graphite bipolar plate, which greatly prolongs the service life of the graphite bipolar plate.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a prosthetic devices for graphite bipolar plate, includes water tank, water pump, air heating case and false electric pile, its characterized in that, the water pump water inlet be connected with the water tank, the water pump delivery port is connected with false electric pile through the water route manometer, false electric pile be connected with the water tank return circuit pipe through pipeline two, water tank return circuit pipe be linked together with the water tank, false electric pile be linked with the air heating case export through the air pressure manometer.
The pseudo-galvanic pile is manufactured according to the size of a normal electrode, has a sealing and flow guiding effect, adopts a pseudo-battery as the electrode, and can accommodate a plurality of graphite bipolar plates to be repaired.
By adopting the structure, the graphite bipolar plate to be repaired is installed by the false galvanic pile according to the installation method of the normal galvanic pile, and the false galvanic pile is different from the normal galvanic pile in that: the electrode is a false battery, is manufactured according to the size of a normal electrode, can play a role in sealing and guiding, and the end plate is provided with hydrogen, water and an empty port, so that an insulating plate, a current collecting plate and the like are not needed, and the electrode is much simpler than a normal galvanic pile.
And a switch is arranged between the waterway pressure gauge and the air pressure gauge.
The air heating box is electrically connected with the temperature control box through a first electric wire.
With the above structure, the temperature control box is configured for adjusting the temperature of the intake air, and is used for adjusting the temperature of the intake air.
The water pump water outlet is also connected with the false galvanic pile through a first pipeline, and the first pipeline is provided with a first change-over switch and an air discharge valve.
The water pump is electrically connected with the water pump frequency converter through the second electric wire, and the water pump frequency converter is used for adjusting the rotating speed of the water pump so that the waterway reaches the set pressure.
The water tank is provided with a liquid level visual window.
By adopting the structure, the liquid level visual window is used for observing the liquid level in the water tank, so that the water quantity in the water tank is ensured to be sufficient, and the water tank is replenished at any time.
The liquid level visual window adopts a transparent PVC pipe, and the upper part and the lower part of the transparent PVC pipe are communicated with the water tank.
The water tank is provided with a water tank inlet for adding water.
The water pump and the waterway pressure gauge are made of stainless steel, and have the effects of high temperature resistance, corrosion resistance and no precipitated ions in the use process.
The working principle of the utility model is as follows: the graphite bipolar plate to be repaired is installed in the pseudo-galvanic pile in a galvanic pile mode, and the purpose is to enable epoxy resin glue to flow in a pressurizing and circulating mode simultaneously in three ways of hydrogen, air and water of the galvanic pile, so that the glue fully permeates into micropores of the graphite bipolar plate, and the repairing effect is achieved.
Compared with the prior art, the utility model has the following advantages: the device has reasonable structure and simple operation, and repairs the existing leaked graphite bipolar plate by utilizing the principle of re-dipping, thereby greatly prolonging the service life of the graphite bipolar plate.
Drawings
Fig. 1 is a schematic plan view of the present utility model.
Fig. 2 is a schematic perspective view of the present utility model.
Fig. 3 is a schematic perspective view of another view of the present utility model.
Fig. 4 is a schematic plan view of another view of the present utility model.
In the figure, 1, a liquid level visual window; 2. a water tank; 3. a water pump frequency converter; 4. a water tank loop pipe; 5. an air discharge valve; 6. a first change-over switch; 7. a first pipeline; 8. a dummy cell stack; 9. a second pipeline; 10. a waterway pressure gauge; 11. an air pressure gauge; 12. a second change-over switch; 13. a temperature control box; 14. a first electric wire; 15. an air heating box outlet; 16. an air heating box; 17. a water tank inlet; 18. a hydrogen inlet and outlet; 19. a water inlet and a water outlet; 20. an air inlet and an air outlet; 24. a second electric wire; 25. a water pump; 26. an air inlet; 27. and a third switch.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1-4, the repairing device for graphite bipolar plates comprises a water tank 2, a water pump 25, an air heating box 16 and a false electric pile 8, wherein in the embodiment, the water inlet of the water pump 25 is connected with the water tank 2, the water outlet of the water pump 25 is connected with the false electric pile 8 through a waterway pressure gauge 10, the false electric pile 8 is connected with a water tank loop pipe 4 through a pipeline two 9, the water tank loop pipe 4 is communicated with the water tank 2, and the false electric pile 8 is connected with an air heating box outlet 15 through an air pressure gauge 11.
The dummy cell stack 8 is manufactured according to the size of a normal electrode, has a sealing flow guiding effect, adopts the electrode as a dummy cell, and can accommodate a plurality of graphite bipolar plates to be repaired, compared with the traditional manual repair, the efficiency is remarkably improved.
With the above structure, the dummy cell stack 8 installs the graphite bipolar plate to be repaired according to the installation method of the normal cell stack, unlike the normal cell stack in that: the electrode is a false battery, is manufactured according to the size of a normal electrode, can play a role in sealing and guiding, and the end plate is provided with hydrogen, water and an empty port, so that an insulating plate, a current collecting plate and the like are not needed, and the electrode is much simpler than a normal galvanic pile.
A change-over switch is provided between the waterway pressure gauge 10 and the air pressure gauge 11, and in this embodiment, the change-over can be performed as required.
The air heating box 16 is electrically connected to the temperature control box 13 via a first electric wire 14.
With the above structure, the temperature control box 13 is configured to adjust the temperature of the inlet air, and is used for adjusting the temperature of the air entering the stack, so that the control is more accurate and effective.
The water outlet of the water pump 25 is also connected with the dummy cell stack 8 through a first pipeline 7, and the first pipeline 7 is provided with a first switch 6 and an air discharge valve 5, in this embodiment, the air in the pipeline can be discharged by adopting the air discharge valve 5, so that the use is more convenient and fast.
The water pump 25 is electrically connected with the water pump frequency converter 3 through the second electric wire 24, and the water pump frequency converter 3 is used for adjusting the rotating speed of the water pump 25 to enable the waterway to reach the set pressure.
The water tank 2 is provided with a liquid level visual window 1.
By adopting the structure, the liquid level visual window 1 is used for observing the liquid level in the water tank 2, so that the water quantity in the water tank 2 is ensured to be sufficient, and the water tank is replenished at any time.
The liquid level visual window 1 adopts a transparent PVC pipe, and the upper part and the lower part of the transparent PVC pipe are communicated with the water tank 2.
The water tank 2 is provided with a water tank inlet 17 for adding water.
The water pump 25 and the waterway pressure gauge 10 are made of stainless steel, and have the effects of high temperature resistance, corrosion resistance and no precipitated ions in the use process.
The working principle is as follows: the graphite bipolar plate to be repaired is arranged in the pseudo-galvanic pile 8 in a galvanic pile mode, and the purpose is to enable epoxy resin glue to flow in a pressurizing and circulating mode at the same time of hydrogen, air and water of the galvanic pile, so that the glue fully permeates into micropores of the graphite bipolar plate, and the repairing effect is achieved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. A prosthetic devices for graphite bipolar plate, includes water tank (2), water pump (25), air heating case (16) and false electric pile (8), its characterized in that, water pump (25) water inlet be connected with water tank (2), water pump (25) delivery port are connected with false electric pile (8) through water route manometer (10), false electric pile (8) be connected with water tank return pipe (4) through pipeline two (9), water tank return pipe (4) be linked together with water tank (2), false electric pile (8) be linked with air heating case export (15) through air pressure gauge (11).
2. The repairing device for graphite bipolar plates according to claim 1, wherein the dummy cell stack (8) is manufactured according to the size of a normal electrode, has a sealing and flow guiding effect, and is a dummy cell, and the dummy cell stack (8) can accommodate a plurality of graphite bipolar plates to be repaired.
3. The repairing device for the graphite bipolar plate according to claim 1, wherein a change-over switch is arranged between the waterway pressure gauge (10) and the air pressure gauge (11).
4. The repairing apparatus for graphite bipolar plates according to claim 1, wherein the air heating box (16) is electrically connected to the temperature control box (13) through a first electric wire (14).
5. The repairing device for graphite bipolar plates according to claim 1, wherein the water outlet of the water pump (25) is further connected with the dummy cell stack (8) through a first pipeline (7), and a first switch (6) and an air discharge valve (5) are arranged on the first pipeline (7).
6. The repairing device for the graphite bipolar plate according to claim 1, wherein the water pump (25) is electrically connected with the water pump frequency converter (3) through a second electric wire (24), and the water pump frequency converter (3) is used for adjusting the rotating speed of the water pump (25) to enable the waterway to reach the set pressure.
7. The repairing device for graphite bipolar plates according to claim 1, wherein a liquid level viewing window (1) is arranged on the water tank (2).
8. The repairing device for graphite bipolar plates according to claim 7, wherein the liquid level visual window (1) is a transparent PVC pipe, and the upper part and the lower part of the transparent PVC pipe are communicated with the water tank (2).
9. The repairing device for graphite bipolar plates according to claim 1, wherein the water tank (2) is provided with a water tank inlet (17) for adding water.
10. The repairing device for the graphite bipolar plate according to claim 1, wherein the water pump (25) and the waterway pressure gauge (10) are made of stainless steel, and have the effects of high temperature resistance, corrosion resistance and no precipitated ions in the use process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320532301.3U CN219738992U (en) | 2023-03-19 | 2023-03-19 | Repairing device for graphite bipolar plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320532301.3U CN219738992U (en) | 2023-03-19 | 2023-03-19 | Repairing device for graphite bipolar plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219738992U true CN219738992U (en) | 2023-09-22 |
Family
ID=88052062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320532301.3U Active CN219738992U (en) | 2023-03-19 | 2023-03-19 | Repairing device for graphite bipolar plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219738992U (en) |
-
2023
- 2023-03-19 CN CN202320532301.3U patent/CN219738992U/en active Active
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