CN217276686U - Gas tightness test equipment of hydrogen fuel cell bipolar plate - Google Patents
Gas tightness test equipment of hydrogen fuel cell bipolar plate Download PDFInfo
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- CN217276686U CN217276686U CN202220137177.6U CN202220137177U CN217276686U CN 217276686 U CN217276686 U CN 217276686U CN 202220137177 U CN202220137177 U CN 202220137177U CN 217276686 U CN217276686 U CN 217276686U
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- bipolar plate
- fuel cell
- gas
- hydrogen fuel
- concave shell
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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 is suitable for a hydrogen fuel cell tests technical field, discloses a hydrogen fuel cell bipolar plate's gas tightness test equipment, and it includes the casing, the top of casing is fixed with the frame, the top of frame is provided with electric putter, the top of casing is provided with the shrouding, the top intercommunication of shrouding has the blast pipe, and the blast pipe embeds there is gaseous detection alarm, the top embedding of casing has the detection concave shell, the bottom of detecting the concave shell is provided with the gas cover, and the gas cover embeds there is the fan, the outer wall intercommunication of gas cover has the intake pipe. The utility model discloses a set up the gas pocket in detecting the concave shell, and the shrouding top is provided with gaseous detection alarm, and when the bipolar plate that detects does not reach standard, thereby the air will pass bipolar plate and is detected and report to the police by gaseous detection alarm, does benefit to quick detection effect to bipolar plate's gas tightness formation fast.
Description
Technical Field
The utility model is suitable for a hydrogen fuel cell tests technical field, especially relates to a hydrogen fuel cell bipolar plate's gas tightness test equipment.
Background
At present, the bipolar plate, also called a separator plate, has the function of providing a gas flow channel, preventing the hydrogen and oxygen in a cell gas chamber from communicating with each other, and establishing a current path between a cathode and an anode connected in series. The thickness of the bipolar plate should be as thin as possible while maintaining a certain mechanical strength and good gas barrier effect to reduce the conductive resistance to current and heat.
The gas tightness of the bipolar plate 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 is not beneficial to quickly detecting the bipolar plate, so that the detection efficiency is greatly reduced, the whole production periphery is delayed, and in order to solve the problems, the gas tightness testing equipment of the bipolar plate of the hydrogen fuel battery is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of hydrogen fuel cell bipolar plate's gas tightness test equipment has solved the problem of proposing in the background art.
In order to realize the purpose, the utility model adopts the following technical scheme:
the utility model provides a hydrogen fuel cell bipolar plate's gas tightness test equipment, includes the casing, the top of casing is fixed with the frame, the top of frame is provided with electric putter, the top of casing is provided with the shrouding, the top intercommunication of shrouding has the blast pipe, and the blast pipe embeds there is gaseous detection alarm, the top embedding of casing has the detection concave shell, the bottom of detecting the concave shell is provided with the gas hood, and the gas hood embeds there is the fan, the outer wall intercommunication of gas hood has the intake pipe, and the intake pipe runs through in the outer wall of casing, it has the gas pocket evenly to set up to detect the inside bottom of concave shell, the outer periphery of detecting the inside bottom of concave shell is provided with the sealing strip.
Preferably, the tail end of a push rod of the electric push rod is fixedly butted with the top end of the sealing plate, the top end of the sealing plate covers the top of the detection concave shell, the two sides of the bottom end of the sealing plate are both fixed with abutting blocks, and the abutting blocks and the sealing strips are made of rubber materials.
Preferably, the inner wall of the detection concave shell is hollow, and the bottom end of the detection concave shell is communicated with the top end of the air hood.
Preferably, the frame is in an inverted U shape.
Preferably, a switch is arranged on the right side of the casing and is electrically connected with the electric push rod and the fan.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up the gas pocket in detecting the concave shell, and the shrouding top is provided with gaseous detection alarm, and when the bipolar plate that detects does not reach standard, thereby the air will pass bipolar plate and is detected and report to the police by gaseous detection alarm, does benefit to quick detection effect to bipolar plate's gas tightness formation fast.
2. The utility model discloses a detect the outside periphery of the inside bottom of concave shell and be provided with the sealing strip, and the bottom of shrouding is provided with and supports the piece, when bipolar plate put into the detection concave shell, supports the piece and will support and press bipolar plate bottom and closely laminate with the sealing strip, improves the leakproofness that detects butt joint department greatly.
Drawings
Fig. 1 is a schematic view of an overall structure of an apparatus for testing gas tightness of a bipolar plate of a hydrogen fuel cell according to the present invention;
fig. 2 is a schematic structural diagram of an air tightness testing device for a bipolar plate of a hydrogen fuel cell according to the present invention;
fig. 3 is a schematic structural diagram of an air tightness testing device for a bipolar plate of a hydrogen fuel cell according to the present invention.
In the figure: 1. a housing; 2. a frame; 3. an electric push rod; 4. closing the plate; 5. an exhaust pipe; 6. a switch; 7. a resisting block; 8. detecting the concave shell; 9. a seal strip; 10. a gas hood; 11. a fan; 12. an air inlet pipe; 13. a gas detection alarm; 14. and (4) air holes.
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.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in the model of providing with electrical apparatus only refer to, can be through changing the different models that the function is the same according to the actual use condition with electrical apparatus, to the ordinary technical personnel in this field, can understand that above-mentioned term is in by particular case the utility model provides a concrete meaning.
Referring to fig. 1-3, an airtightness testing apparatus for a hydrogen fuel cell bipolar plate comprises a casing 1, a frame 2 is fixed on the top end of the casing 1, an electric push rod 3 is arranged on the top end of the frame 2, a sealing plate 4 is arranged on the top of the casing 1, an exhaust pipe 5 is communicated with the top end of the sealing plate 4, a gas detection alarm 13 is arranged in the exhaust pipe 5, a detection concave shell 8 is embedded in the top end of the casing 1, a gas hood 10 is arranged at the bottom end of the detection concave shell 8, a fan 11 is arranged in the gas hood 10, an air inlet pipe 12 is communicated with the outer wall of the gas hood 10, the air inlet pipe 12 penetrates through the outer wall of the casing 1, air holes 14 are uniformly formed in the bottom end of the detection concave shell 8, a sealing strip 9 is arranged on the outer periphery of the bottom end of the detection concave shell 8, in the embodiment, the air holes 14 are formed in the detection concave shell 8, and the gas detection alarm 13 is arranged on the top of the sealing plate 4, when the detected bipolar plate does not reach the standard, air passes through the bipolar plate and is detected and alarmed by the gas detection alarm 13, so that the rapid detection effect on the air tightness of the bipolar plate is formed rapidly.
In this embodiment, the end of the push rod of the electric push rod 3 is fixedly butted with the top end of the sealing plate 4, the top end of the sealing plate 4 covers the top of the detection concave shell 8, the two sides of the bottom end of the sealing plate 4 are both fixed with the abutting blocks 7, and the abutting blocks 7 and the sealing strips 9 are made of rubber.
In this embodiment, the inner wall of the detection concave shell 8 is hollow, and the bottom end of the detection concave shell 8 is communicated with the top end of the gas hood 10 to form gas circulation and detection for sealing the bipolar plate.
In this embodiment, the frame 2 is in an inverted U shape, and is favorable for supporting the electric push rod 3.
In this embodiment, the right side of casing 1 is provided with switch 6, switch 6 and electric putter 3 and fan 11 are electric connection, and the switch will control opening of electric putter 3 and fan 11 and stop.
The utility model discloses during the use: the switch 6 starts the electric push rod 3, the electric push rod 3 drives the sealing plate 4 to rise and leave the detection concave shell 8, the bipolar plate to be detected is placed in the detection concave shell 8, the switch 6 starts the electric push rod 3 again, the sealing plate 4 is driven to press downwards, the abutting block 7 at the bottom end of the sealing plate 4 abuts against the top of the bipolar plate, the bottom of the bipolar plate is ensured to be tightly attached to the sealing strip 9, the sealing performance of the abutting joint is ensured, the switch 6 determines the work of the fan 11, the fan 11 generates wind power and blows in the inner wall of the detection concave shell 8 into the air hole 14 to be exhausted, the wind power is blown upwards from the bottom of the bipolar plate, when the sealing performance of the bipolar plate reaches the standard, the bipolar plate cannot pass through, when the leakage problem of the bipolar plate exists, the gas enters the exhaust pipe 5 through the sealing plate 4, when the gas detection alarm 13 in the exhaust pipe 5 senses the gas to pass through, the alarm is formed, the rapid detection of the sealing performance of the bipolar plate is completed, the design is simple, is relatively practical.
The above, only be the embodiment of the preferred 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, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.
Claims (5)
1. The gas tightness test device of the hydrogen fuel cell bipolar plate is characterized by comprising a machine shell (1), a frame (2) is fixed at the top end of the casing (1), an electric push rod (3) is arranged at the top end of the frame (2), a sealing plate (4) is arranged at the top of the casing (1), the top end of the sealing plate (4) is communicated with an exhaust pipe (5), a gas detection alarm (13) is arranged in the exhaust pipe (5), a detection concave shell (8) is embedded in the top end of the machine shell (1), a gas hood (10) is arranged at the bottom end of the detection concave shell (8), a fan (11) is arranged in the gas hood (10), the outer wall of the gas hood (10) is communicated with an air inlet pipe (12), the air inlet pipe (12) penetrates through the outer wall of the machine shell (1), air holes (14) are uniformly formed in the bottom end of the interior of the detection concave shell (8), and a sealing strip (9) is arranged on the outer periphery of the bottom end in the detection concave shell (8).
2. The tightness testing device of the hydrogen fuel cell bipolar plate according to claim 1, wherein the end of the push rod of the electric push rod (3) is fixedly butted with the top end of the sealing plate (4), the top of the sealing plate (4) covers the top of the detection concave shell (8), two sides of the bottom end of the sealing plate (4) are both fixed with the abutting block (7), and the abutting block (7) and the sealing strip (9) are made of rubber materials.
3. The tightness test equipment of a bipolar plate of a hydrogen fuel cell according to claim 1, wherein the inner wall of the detection concave shell (8) is hollow, and the bottom end of the detection concave shell (8) is communicated with the top end of the gas hood (10).
4. The tightness test equipment of a bipolar plate of a hydrogen fuel cell according to claim 1, wherein the frame (2) has an inverted U shape.
5. The tightness testing device of the bipolar plate of the hydrogen fuel cell as claimed in claim 1, wherein a switch (6) is disposed on the right side of the casing (1), and the switch (6) is electrically connected with the electric push rod (3) and the fan (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220137177.6U CN217276686U (en) | 2022-01-17 | 2022-01-17 | Gas tightness test equipment of hydrogen fuel cell bipolar plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220137177.6U CN217276686U (en) | 2022-01-17 | 2022-01-17 | Gas tightness test equipment of hydrogen fuel cell bipolar plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217276686U true CN217276686U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220137177.6U Active CN217276686U (en) | 2022-01-17 | 2022-01-17 | Gas tightness test equipment of hydrogen fuel cell bipolar plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217276686U (en) |
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2022
- 2022-01-17 CN CN202220137177.6U patent/CN217276686U/en active Active
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