CN221100002U - Fuel cell bipolar plate single plate airtight detection device - Google Patents
Fuel cell bipolar plate single plate airtight detection device Download PDFInfo
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- CN221100002U CN221100002U CN202322897437.7U CN202322897437U CN221100002U CN 221100002 U CN221100002 U CN 221100002U CN 202322897437 U CN202322897437 U CN 202322897437U CN 221100002 U CN221100002 U CN 221100002U
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- 238000001514 detection method Methods 0.000 title claims abstract description 63
- 239000000446 fuel Substances 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 78
- 239000007789 gas Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model provides a fuel cell bipolar plate single plate airtight detection device which comprises a workbench, a sealing unit, a detection unit and a control unit, wherein the sealing unit is arranged on the workbench and comprises an upper sealing plate and a lower sealing plate, a limit groove is formed in the lower sealing plate and is matched with a bipolar plate, an air inlet and an air outlet are formed in the limit groove, the detection unit comprises a pressure gauge connected with the air outlet, and the control unit is connected with the pressure gauge of the detection unit. The bipolar plate is arranged in the limit groove, the upper sealing plate and the lower sealing plate are closed, the limit groove is formed into a closed cavity, the air inlet is connected with the air circuit, air is led into the closed cavity, the pressure gauge is connected with the air outlet, and the air tightness of the bipolar plate can be detected by comparing the air pressures of the air inlet and the air outlet. The fuel cell bipolar plate single-plate airtight detection device provided by the utility model is convenient to operate, accurate in detection result, high in detection efficiency and capable of avoiding damage to the bipolar plate.
Description
Technical Field
The utility model belongs to the technical field of hydrogen fuel cell testing, and particularly relates to a fuel cell bipolar plate single plate airtight detection device.
Background
The bipolar plate, also called a baffle, has the function of providing a gas flow channel bipolar plate, the gas tightness of which needs to be detected after production to ensure the quality of a subsequent battery after production, and a detection mechanism of the bipolar plate in the prior art has low detection efficiency and inconvenient operation, can not rapidly complete the detection of the bipolar plate, and can not ensure the accuracy of a detection structure.
To solve the above-mentioned problem, patent document CN219736681U discloses a hydrogen fuel cell bipolar plate airtight detection device, which comprises an airtight detection device body, wherein a lifting component is fixedly installed on the surface of the airtight detection device body, and a fixing component is fixedly installed on the surface of the lifting component. In the above-mentioned scheme, set up lifting subassembly and fixed subassembly, drive threaded rod roof through drive arrangement and rotate, make threaded rod roof surface mounted's fly leaf can rotate in step, operating personnel can place quantitative bipolar plate at the surface of ventilating plate respectively this moment, bipolar plate's dead weight can make ventilating plate move down, make the clamp plate hug closely to bipolar plate's surface, in order to fix it, drive threaded rod roof through drive arrangement this moment, make the closing plate of support frame connection move down and contact with the top surface of airtight detection device main part, form airtight space, the testing process to bipolar plate is too loaded down with trivial details in this application, be inconvenient for operating personnel to detect, and directly press close to bipolar plate's surface through the clamp plate, cause the damage to bipolar plate easily.
Disclosure of utility model
The utility model is to solve the above problems, and aims to provide a fuel cell bipolar plate single plate airtight detection device which is convenient to operate, accurate in detection result, high in detection efficiency and capable of avoiding damage to a bipolar plate, and to achieve the above purposes, the utility model adopts the following technical scheme:
The utility model provides a fuel cell bipolar plate single plate airtight detection device, which has the characteristics that: a work table; the sealing unit is arranged on the workbench and comprises an upper sealing plate and a lower sealing plate, a limit groove is formed in the lower sealing plate and is matched with the bipolar plate, and an air inlet and an air outlet are formed in the limit groove; the detection unit comprises a pressure gauge connected with the air outlet; and the control unit is connected with the detection unit.
The fuel cell bipolar plate single plate airtight detection device provided by the utility model can also have the following characteristics: the sealing unit further comprises a fixed plate, a guide rail and a sliding block, wherein the guide rail is arranged on the fixed plate, the sliding block is matched with the guide rail, the sliding block is movably arranged on the guide rail, and the top of the sliding block is connected with the lower sealing plate.
The fuel cell bipolar plate single plate airtight detection device provided by the utility model can also have the following characteristics: the sealing unit further comprises a first air cylinder, the first air cylinder comprises a first cylinder body and a first piston rod, the first cylinder body is arranged on the fixing plate, one end of the first piston rod is arranged in the cylinder body, and the other end of the first piston rod is connected with the sliding block.
The fuel cell bipolar plate single plate airtight detection device provided by the utility model can also have the following characteristics: the sealing unit further comprises a fixing rod and a mounting plate, one end of the fixing rod is arranged on the fixing plate, the other end of the fixing rod is arranged on the mounting plate, the upper sealing plate is provided with a through hole matched with the fixing rod, and the upper sealing plate penetrates through the fixing rod to be arranged in the through hole, so that the sealing unit can be movably arranged on the fixing rod.
The fuel cell bipolar plate single plate airtight detection device provided by the utility model can also have the following characteristics: the sealing unit further comprises a second cylinder, the second cylinder comprises a second cylinder body and a second piston rod, the second cylinder body is arranged on the mounting plate, a mounting hole matched with the second piston rod is formed in the mounting plate, one end of the second piston rod is arranged in the second cylinder body, and the other end of the second piston rod penetrates through the mounting hole to be connected with the upper sealing plate.
The fuel cell bipolar plate single plate airtight detection device provided by the utility model can also have the following characteristics: the control unit comprises a first control switch and a second control switch, wherein the first control switch is connected with the first cylinder, and the second control switch is connected with the second cylinder.
The fuel cell bipolar plate single plate airtight detection device provided by the utility model can also have the following characteristics: the control unit also comprises a control host and a touch screen, wherein the control host is arranged on the workbench, the touch screen is arranged on the workbench, and the touch screen is connected with the control host.
The fuel cell bipolar plate single plate airtight detection device provided by the utility model can also have the following characteristics: the detection unit also comprises an alarm indicator lamp which is connected with the control host.
The fuel cell bipolar plate single plate airtight detection device provided by the utility model can also have the following characteristics: the bottom of the workbench is provided with a roller.
The utility model has the technical effects that: the utility model provides a fuel cell bipolar plate single plate airtight detection device which comprises a workbench, a sealing unit, a detection unit and a control unit, wherein the sealing unit is arranged on the workbench and comprises an upper sealing plate and a lower sealing plate, a limit groove is formed in the lower sealing plate and is matched with a bipolar plate, an air inlet and an air outlet are formed in the limit groove, the detection unit comprises a pressure gauge connected with the air outlet, and the control unit is connected with the pressure gauge of the detection unit. The bipolar plate is arranged in the limit groove, the upper sealing plate and the lower sealing plate are closed, the limit groove forms a closed cavity, the bipolar plate is arranged in the closed cavity, the air inlet is connected with the air circuit, thereby introducing air into the closed cavity, the pressure gauge is connected with the air outlet, and the air tightness of the bipolar plate can be detected by comparing the air pressures of the air inlet and the air outlet.
Therefore, the fuel cell bipolar plate single-plate airtight detection device provided by the utility model is convenient to operate, accurate in detection result, high in detection efficiency and capable of avoiding damage to the bipolar plate.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
FIG. 1 is a schematic diagram of a fuel cell bipolar plate single-plate airtight detection apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of a sealing unit in an embodiment of the present utility model;
Fig. 3 is a schematic view of the structure of the sealing unit in the front view direction in the embodiment of the present utility model;
Fig. 4 is a partial enlarged view of a portion a in fig. 1.
Marked in the figure as: 10-workbench, 11-roller, 20-sealing unit, 21-upper sealing plate, 211-through hole, 22-lower sealing plate, 221-limit groove, 222-air inlet, 223-air outlet, 23-fixed plate, 24-guide rail, 25-slider, 26-first cylinder, 261-first cylinder, 262-first piston rod, 27-fixed rod, 28-mounting plate, 281-mounting hole, 29-second cylinder, 291-second cylinder, 292-second piston rod, 30-detecting unit, 31-pressure gauge, 32-alarm indicator, 40-control unit, 41-first control switch, 42-second control switch, 43-control host, 44-touch screen
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid those skilled in the art in a more complete, accurate and thorough understanding of the inventive concepts and aspects of the utility model, and to facilitate their practice.
Fig. 1 is a schematic structural diagram of a fuel cell bipolar plate single-plate airtight detecting device in an embodiment of the present utility model.
As shown in fig. 1, the fuel cell bipolar plate single-plate airtight detection apparatus provided by the present utility model includes a workbench 10, a sealing unit 20, a detection unit 30 and a control unit 40.
FIG. 2 is a schematic view of the structure of a sealing unit in an embodiment of the present utility model; fig. 3 is a schematic view of the structure of the sealing unit in the front view direction in the embodiment of the present utility model.
As shown in fig. 2 and 3, the sealing unit 20 is disposed on the workbench 10, and includes an upper sealing plate 21 and a lower sealing plate 22, the lower sealing plate 22 is provided with a limiting groove 221, the limiting groove 221 is adapted to the bipolar plate, an air inlet 222 and an air outlet 223 are disposed in the limiting groove 221, the air inlet 222 is connected with the existing air path, and air can be conveyed into the limiting groove 221 through the air inlet 222.
The sealing unit 20 comprises a fixed plate 23, a guide rail 24 and a sliding block 25, wherein the guide rail 24 is arranged on the fixed plate 23, the fixed plate 23 is arranged on the table surface of the workbench 10, the sliding block 25 is matched with the guide rail 24, the sliding block 25 is slidably arranged on the guide rail 24, the top of the sliding block 25 is connected with the lower sealing plate 22, the sliding block 25 can enable the lower sealing plate 22 to slide on the guide rail 24, and an operator can conveniently operate the bipolar plate to be arranged in the limiting groove 221.
The sealing unit 20 further includes a first cylinder 26, the first cylinder 26 including a first cylinder 261 and a first piston rod 262, the first cylinder 261 being disposed on the fixed plate 23, one end of the first piston rod being disposed in the cylinder 261, the other end being connected with the slider 25. The first cylinder 26 can drive the sliding block 25 to slide on the guide rail 24, so as to drive the lower sealing plate 22 to slide, and the lower sealing plate 22 slides below the upper sealing plate 21.
The sealing unit 20 further includes a fixing rod 27 and a mounting plate 28, one end of the fixing rod 27 is disposed on the fixing plate 23, the other end is disposed on the mounting plate 28, the upper sealing plate 21 is provided with a through hole 211 adapted to the fixing rod 27, and the upper sealing plate 21 is inserted into the through hole 211 through the fixing rod 27 so as to be movably disposed on the fixing rod 27, and the upper sealing plate 21 can move up and down on the fixing rod 27 so as to be pressed on the lower sealing plate 22.
The sealing unit 20 further comprises a second cylinder 29, the second cylinder 29 comprises a second cylinder body 291 and a second piston rod 292, the second cylinder body 261 is arranged on the mounting plate 28, a mounting hole 281 matched with the second piston rod 292 is arranged on the mounting plate 28, one end of the second piston rod 292 is arranged in the second cylinder body 291, and the other end of the second piston rod 292 penetrates through the mounting hole 281 to be connected with the upper sealing plate 21. The second cylinder 29 can drive the upper sealing plate 21 to move on the fixing rod 27.
The detecting unit 30 includes a pressure gauge 31 connected to the air outlet 223, and the pressure gauge 31 can measure the air pressure of the air outlet 223, and the air tightness of the bipolar plate can be obtained by comparing the air pressure with the air pressure of the air inlet 222.
Fig. 4 is a partial enlarged view of a portion a in fig. 1.
The control unit 40 includes a first control switch 41 and a second control switch 42, the first control switch 41 is connected to the first cylinder 26, the second control switch 42 is connected to the second cylinder 29, the first control switch 41 can control the first cylinder 26 to stretch and retract, so that the lower sealing plate 22 slides on the guide rail 24, and the second control switch 42 can control the second cylinder 29 to stretch and retract, so that the upper sealing plate 21 is controlled to move up and down.
The control unit 40 further includes a control host 43 and a touch screen 44, the control host 43 is disposed on the workbench 10, the touch screen 44 is disposed on the workbench 10, and the touch screen 44 is connected with the control host 43. The control host 43 is a computer host and is connected with the pressure gauge 31 and the existing gas path, and can display the pressure measured by the pressure gauge 31 on the touch screen 44, and the air tightness of the bipolar plate can be obtained by comparing the pressure measured by the pressure gauge 31 with the pressure of the existing gas path.
The detecting unit 30 further comprises an alarm indicator lamp 32, the alarm indicator lamp 32 is connected with a control host 43, and the control host 43 can enable the alarm indicator lamp 32 to light and sound when detecting that the air tightness of the bipolar plate is unqualified, so that the attention of operators is promoted.
The roller 11 is arranged at the bottom of the workbench 10, so that operators can conveniently improve the workbench.
When the fuel cell bipolar plate single plate airtight detection device provided by the utility model is used for detecting the airtight property of a bipolar plate, the first control switch 41 is pressed to enable the lower sealing plate 22 to extend outwards, the bipolar plate is placed in the limit groove 221, then the first control switch 41 is pressed to enable the lower sealing plate 22 to reach the lower part of the upper sealing plate 21, the second control switch 42 is pressed to enable the second air cylinder 29 to drive the upper sealing plate 21 to be covered on the lower sealing plate 22 from pressing, so that the limit groove 221 becomes a closed cavity, then the conventional air channel is controlled to input air to the air inlet 222 through the touch screen 44, and the pressure gauge 31 is used for detecting the air pressure of the air outlet 223, so that the bipolar plate airtight property is obtained, the operation is simple, the use is convenient, the working efficiency of operators can be improved, and meanwhile, the damage to the bipolar plate can be avoided.
Effects and effects of the examples
The utility model provides a fuel cell bipolar plate single-plate airtight detection device, which comprises a workbench 10, a sealing unit 20, a detection unit 30 and a control unit 40, wherein the sealing unit 20 is arranged on the workbench 10 and comprises an upper sealing plate 21 and a lower sealing plate 22, a limiting groove 221 is formed in the lower sealing plate 22, the limiting groove 221 is matched with a bipolar plate, an air inlet 222 and an air outlet 223 are formed in the limiting groove 221, the detection unit 30 comprises a pressure gauge 31 connected with the air outlet 223, and the control unit 40 is connected with the pressure gauge 31 of the detection unit 30. The bipolar plate is arranged in the limit groove 221, the upper seal plate 21 and the lower seal plate 22 are closed, the limit groove 221 forms a closed cavity, the bipolar plate is arranged in the closed cavity, the air inlet 222 is connected with an existing air path, air is introduced into the closed cavity, the pressure gauge 31 is connected with the air outlet 223, and the air tightness of the bipolar plate can be detected by comparing the air pressures of the air inlet 222 and the air outlet 223. The fuel cell bipolar plate single-plate airtight detection device provided by the utility model is convenient to operate, accurate in detection result, high in detection efficiency and capable of avoiding damage to the bipolar plate.
The utility model is described above by way of example with reference to the accompanying drawings. It will be clear that the utility model is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present utility model; or the utility model is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the utility model.
Claims (9)
1. A fuel cell bipolar plate single-plate airtight detection apparatus, characterized by comprising:
a work table (10);
The sealing unit (20) is arranged on the workbench (10) and comprises an upper sealing plate (21) and a lower sealing plate (22), a limiting groove (221) is formed in the lower sealing plate (22), the limiting groove (221) is matched with the bipolar plate, and an air inlet (222) and an air outlet (223) are formed in the limiting groove (221);
A detection unit (30) comprising a pressure gauge (31) connected to the air outlet (223);
And a control unit (40) connected to the detection unit (30).
2. The fuel cell bipolar plate single-plate airtight detection apparatus according to claim 1, wherein:
The sealing unit (20) further comprises a fixed plate (23), a guide rail (24) and a sliding block (25), wherein the guide rail (24) is arranged on the fixed plate (23), the sliding block (25) is matched with the guide rail (24), the sliding block (25) is movably arranged on the guide rail (24), and the top of the sliding block is connected with the lower sealing plate (22).
3. The fuel cell bipolar plate single-plate airtight detection apparatus according to claim 2, wherein:
The sealing unit (20) further comprises a first air cylinder (26), the first air cylinder (26) comprises a first cylinder body (261) and a first piston rod (262), the first cylinder body (261) is arranged on the fixed plate (23), one end of the first piston rod (262) is arranged in the cylinder body (261), and the other end of the first piston rod is connected with the sliding block (25).
4. A fuel cell bipolar plate single-plate airtight detection apparatus according to claim 3, wherein:
The sealing unit (20) further comprises a fixing rod (27) and a mounting plate (28), one end of the fixing rod (27) is arranged on the fixing plate (23), the other end of the fixing rod is arranged on the mounting plate (28), the upper sealing plate (21) is provided with a through hole (211) matched with the fixing rod (27), and the upper sealing plate (21) is penetrated in the through hole (211) through the fixing rod (27), so that the fixing rod (27) is movably arranged.
5. The fuel cell bipolar plate single-plate airtight detection apparatus according to claim 4, wherein:
The sealing unit (20) further comprises a second air cylinder (29), the second air cylinder (29) comprises a second cylinder body (291) and a second piston rod (292), the second cylinder body (291) is arranged on the mounting plate (28), a mounting hole (281) matched with the second piston rod (292) is formed in the mounting plate (28), one end of the second piston rod (292) is arranged in the second cylinder body (291), and the other end of the second piston rod (292) penetrates through the mounting hole (281) to be connected with the upper sealing plate (21).
6. The fuel cell bipolar plate single-plate airtight detection apparatus according to claim 5, wherein:
The control unit (40) comprises a first control switch (41) and a second control switch (42), the first control switch (41) is connected with the first cylinder (26), and the second control switch (42) is connected with the second cylinder (29).
7. The fuel cell bipolar plate single-plate airtight detection apparatus according to claim 6, wherein:
The control unit (40) further comprises a control host (43) and a touch screen (44), wherein the control host (43) is arranged on the workbench (10), the touch screen (44) is arranged on the workbench (10), and the touch screen (44) is connected with the control host (43).
8. The fuel cell bipolar plate single-plate airtight detection apparatus according to claim 7, wherein:
The detection unit (30) further comprises an alarm indicator lamp (32), and the alarm indicator lamp (32) is connected with the control host (43).
9. The fuel cell bipolar plate single-plate airtight detection apparatus according to claim 1, wherein: the bottom of the workbench (10) is provided with a roller (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322897437.7U CN221100002U (en) | 2023-10-27 | 2023-10-27 | Fuel cell bipolar plate single plate airtight detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322897437.7U CN221100002U (en) | 2023-10-27 | 2023-10-27 | Fuel cell bipolar plate single plate airtight detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221100002U true CN221100002U (en) | 2024-06-07 |
Family
ID=91319825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322897437.7U Active CN221100002U (en) | 2023-10-27 | 2023-10-27 | Fuel cell bipolar plate single plate airtight detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221100002U (en) |
-
2023
- 2023-10-27 CN CN202322897437.7U patent/CN221100002U/en active Active
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