CN216955030U - Polar plate gas tightness detection device - Google Patents
Polar plate gas tightness detection device Download PDFInfo
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- CN216955030U CN216955030U CN202122295025.7U CN202122295025U CN216955030U CN 216955030 U CN216955030 U CN 216955030U CN 202122295025 U CN202122295025 U CN 202122295025U CN 216955030 U CN216955030 U CN 216955030U
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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
- Y02E60/10—Energy storage using batteries
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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 discloses a polar plate air tightness detection device which comprises a bottom plate, a support frame, a fixing assembly, a detection cylinder, a polar plate and a detection assembly, wherein the support frame is arranged on the bottom plate, one end of the fixing assembly is arranged on the support frame, the other end of the fixing assembly is arranged on the bottom plate, the detection cylinder is arranged on the fixing assembly, the polar plate is detachably arranged on the fixing assembly, one end of the detection assembly is arranged on the bottom plate, and the other end of the detection assembly is connected to the detection cylinder. The utility model belongs to the technical field of fuel cells, and particularly relates to a polar plate airtightness detection device.
Description
Technical Field
The utility model belongs to the technical field of fuel cells, and particularly relates to a polar plate airtightness detection device.
Background
The bipolar plate that graphite material prepared has good electric conduction, heat conductivity and corrosion resistance, the bipolar plate that proton exchange membrane fuel cell used most often at present, in graphite bipolar plate's preparation process, because adopt carbon powder or graphite powder and graphitized resin to mix the preparation and form, there may be the defect, make graphite bipolar plate's base member have the not good problem of gas tightness, because of bipolar plate need separate fuel and oxygen, it is rather high to its gas barrier nature requirement of own, so graphite bipolar plate's gas tightness detects and seems vital, the current device to polar plate gas tightness detects comparatively complicated, the cost is higher, detection efficiency is low, how to detect the gas tightness simply and efficiently, become the problem of treating urgent need to solve.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides the pole plate air tightness detection device which can rapidly detect the graphite matrix of the pole plate through the detection assembly, and provides excellent sealing conditions for the detection process by matching with the fixing assembly so as to improve the accuracy of the detection result.
In order to realize the functions, the technical scheme adopted by the utility model is as follows: a polar plate air tightness detection device comprises a bottom plate, a support frame, a fixing assembly, a detection cylinder, a polar plate and a detection assembly, wherein the support frame is arranged on the bottom plate, one end of the fixing assembly is arranged on the support frame, the other end of the fixing assembly is arranged on the bottom plate, the detection cylinder is arranged on the fixing assembly, the polar plate is detachably arranged on the fixing assembly, one end of the detection assembly is arranged on the bottom plate, and the other end of the detection assembly is connected to the detection cylinder; the detection assembly comprises an air pump, an air outlet pipe, a connecting pipe, a valve, a water cup, a cover plate, a supporting pipe, a balloon, a sealing piece, a scale, an air vent and an air vent pipe, wherein the air pump is arranged on the bottom plate and is arranged on one side of the detection cylinder, the air outlet pipe is connected with the air outlet end of the air pump, one end of the connecting pipe is connected with the air outlet pipe, the other end of the connecting pipe is connected with the detection cylinder, the valve is arranged on the connecting pipe, the water cup is arranged on the bottom plate and is arranged on one side of the detection cylinder away from the air pump, the cover plate is arranged on the water cup, the supporting pipe is arranged under the cover plate and is arranged in the water cup, the opening of the balloon is connected with the supporting pipe, the sealing piece is arranged at the connection part of the balloon and the connecting pipe, the scale is arranged on the water cup, the air vent is arranged on the side of the detection cylinder away from the air pump, one end of the air vent is connected with the air vent and the other end of the supporting pipe, and after the polar plate is fixedly sealed on the detection cylinder, starting the air pump, opening the valve, in gaseous through outlet duct and connecting pipe entering detection section of thick bamboo and polar plate's confined space, then in gaseous rethread gas pocket, breather pipe and stay tube entering balloon, make the balloon inflation drainage, then close the valve, make the gas in the balloon remain stable, see the height of water in the drinking cup, after a period, watch the water level height once more, whether change according to the water level, judge whether gaseous reduces in the balloon to judge graphite base's gas tightness on the polar plate.
In order to realize the sealed space, the fixed component comprises a sliding chute, a sliding plate, a placing groove, a spring and a hydraulic machine, the sliding grooves are symmetrically arranged on the side surface of the supporting frame, the sliding plate can be slidably arranged in the sliding grooves, the detection cylinder is connected with the sliding plate, the placing grooves are symmetrically arranged at the end part of the detection cylinder, the grooves are symmetrically arranged on the bottom plate and below the supporting frame, one end of the spring is arranged in the groove, the other end of the spring is arranged below the detection cylinder, the hydraulic machine is arranged below the support frame and above the detection cylinder, the polar plate is aligned with the placing groove, so that the polar plate is aligned with the placing groove, and then starting the hydraulic machine, pressing the pole plate at the upper end by the hydraulic machine to move downwards, driving the detection cylinder and the sliding plate to move downwards along the sliding chute by the pole plate, pressing the pole plate and the detection cylinder onto the bottom plate, and forming a closed space between the pole plate and the detection cylinder, thereby realizing the fixed connection effect between the pole plate and the detection cylinder.
Wherein, be equipped with the gasket in the standing groove, increase the airtight degree of polar plate and detection section of thick bamboo.
Furthermore, the connection of breather pipe and air vent is equipped with the sealing washer, prevents that gas leakage from influencing the testing result.
Preferably, the air outlet pipe and the vent pipe are arranged in a telescopic hose structure, so that the length of the detecting cylinder and the pole plate can be conveniently adjusted in the process of closed connection.
The height of the water level in the water cup is larger than that of the sealing element, the sealing element is ensured to be positioned in water, and gas is prevented from leaking from the joint of the balloon and the supporting tube.
The utility model adopts the structure to obtain the following beneficial effects: the polar plate airtightness detection device of the scheme is characterized in that after a polar plate is fixedly sealed on a detection cylinder, an air pump is started, a valve is opened, gas enters a sealed space between the detection cylinder and the polar plate through an air outlet pipe and a connecting pipe, then the gas enters an air balloon through an air hole, an air pipe and a supporting pipe, the air balloon is expanded and drained, then the valve is closed, the gas in the air balloon is kept stable, the height of water in a water cup is observed, after a period of time, the height of the water level is observed again, whether the gas in the air balloon is reduced is judged according to whether the water level is changed, so that the airtightness of a graphite base body on the polar plate is judged, the polar plate is aligned to a placing groove, the polar plate is aligned to the placing groove, then a hydraulic machine is started, the hydraulic machine presses the polar plate at the upper end to move downwards, the polar plate detection cylinder and a sliding plate are driven to move downwards along a sliding groove, the polar plate and the detection cylinder are pressed on a bottom plate, so that a sealed space is formed between the polar plate and the detection cylinder, thereby realize the fixed connection effect to between polar plate and the detection section of thick bamboo, utilize the standing groove to be equipped with the gasket, increase the airtight degree of polar plate and detection section of thick bamboo, be equipped with the sealing washer through connecting in of breather pipe and air vent, prevent that gas leakage from influencing the testing result, because outlet duct and breather pipe set up for scalable hose structure, be convenient for detect a section of thick bamboo and polar plate sealing connection's in-process adjust length, make the height that highly is greater than the sealing member of water level in the drinking cup in addition, guarantee that the sealing member is in the aquatic, avoid gas to leak from the junction of balloon and stay tube.
Drawings
FIG. 1 is a schematic view of the overall structure of the electrode plate airtightness detection device according to the present embodiment;
fig. 2 is a plan view of the detection cylinder and the slide plate in the electrode plate airtightness detection apparatus according to the present embodiment.
The device comprises a base plate 1, a bottom plate 2, a support frame 3, a fixing assembly 4, a detection barrel 5, a polar plate 6, a detection assembly 7, an air pump 8, an air outlet pipe 9, a connecting pipe 10, a valve 11, a water cup 12, a cover plate 13, a support pipe 14, a balloon 15, a sealing element 16, a scale 17, an air vent 18, an air vent pipe 19, a sliding groove 20, a sliding plate 21, a placing groove 22, a groove 23, a spring 24, a hydraulic machine 25, a gasket 26 and a sealing ring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, the polar plate airtightness detection device of the present embodiment includes a bottom plate 1, a support frame 2, a fixing assembly 3, a detection cylinder 4, a polar plate 5 and a detection assembly 6, wherein the support frame 2 is disposed on the bottom plate 1, one end of the fixing assembly 3 is disposed on the support frame 2, and the other end is disposed on the bottom plate 1, the detection cylinder 4 is disposed on the fixing assembly 3, the polar plate 5 is detachably disposed on the fixing assembly 3, one end of the detection assembly 6 is disposed on the bottom plate 1, and the other end is connected to the detection cylinder 4; the detection component 6 comprises an air pump 7, an air outlet pipe 8, a connecting pipe 9, a valve 10, a water cup 11, a cover plate 12, a support pipe 13, a balloon 14, a sealing part 15, a scale 16, a vent hole 17 and a vent pipe 18, the air pump 7 is arranged on the bottom plate 1 and arranged on one side of the detection barrel 4, the air outlet pipe 8 is connected with the air outlet end of the air pump 7, one end of the connecting pipe 9 is connected with the air outlet pipe 8 and the other end is connected with the detection barrel 4, the valve 10 is arranged on the connecting pipe 9, the water cup 11 is arranged on the bottom plate 1 and arranged on one side of the detection barrel 4 far away from the air pump 7, the cover plate 12 is arranged on the water cup 11, the support pipe 13 is arranged under the cover plate 12 and arranged in the water cup 11, the opening of the balloon 14 is connected with the support pipe 13, the sealing part 15 is arranged at the joint of the balloon 14 and the connecting pipe 9, the scale 16 is arranged on the water cup 11, the vent hole 17 is arranged on the side of the detection barrel 4 far away from the air pump 7, one end of the vent pipe 18 is connected with the vent hole 17 and the other end is connected with the support pipe 13, after the polar plate 5 is fixedly sealed on the detection cylinder 4, the air pump 7 is started, the valve 10 is opened, the air enters the sealed space between the detection cylinder 4 and the polar plate 5 through the air outlet pipe 8 and the connecting pipe 9, then the gas enters the balloon 14 through the vent hole 17, the vent pipe 18 and the support pipe 13, so that the balloon 14 is expanded and drained, then the valve 10 is closed to keep the gas in the balloon 14 stable, the height of the water in the water cup 11 is observed, after a period of time, the height of the water level is observed again, judging whether the gas in the balloon 14 is reduced or not according to the change of the water level, thereby judging the air tightness of the graphite matrix on the polar plate 5, in addition, the air outlet pipe 8 and the air pipe 18 are arranged in a telescopic hose structure, so that the length of the detecting cylinder 4 and the pole plate 5 can be conveniently adjusted in the process of closed connection, and the height of the water level in the water cup 11 is larger than that of the sealing piece 15, so that the sealing piece 15 is ensured to be positioned in the water, and the gas is prevented from leaking from the joint of the balloon 14 and the support tube 13.
As shown in fig. 1-2, the fixing assembly 3 includes a sliding slot 19, a sliding plate 20, a placing slot 21, a groove 22, a spring 23 and a hydraulic machine 24, the sliding slot 19 is symmetrically disposed on a side surface of the supporting frame 2, the sliding plate 20 is slidably disposed in the sliding slot 19, the detecting cylinder 4 is connected to the sliding plate 20, the placing slot 21 is symmetrically disposed on an end portion of the detecting cylinder 4, the groove 22 is symmetrically disposed on the bottom plate 1 and disposed under the supporting frame 2, one end of the spring 23 is disposed in the groove 22 and the other end is disposed under the detecting cylinder 4, the hydraulic machine 24 is disposed under the supporting frame 2 and disposed above the detecting cylinder 4, the polar plate 5 is aligned with the placing slot 21 to align the polar plate 5 with the placing slot 21, then the hydraulic machine 24 is started, the hydraulic machine 24 presses the polar plate 5 at the upper end downwards, the polar plate 5 drives the detecting cylinder 4 and the sliding plate 20 to move downwards along the sliding slot 19, the polar plate 5 and the detecting cylinder 4 are pressed onto the bottom plate 1 to form a sealed space between the polar plate 5 and the detecting cylinder 4, thereby realizing the fixed connection between the pole plate 5 and the detection cylinder 4.
As shown in fig. 1, a gasket 25 is provided in the placement groove 21 to increase the sealing degree between the electrode plate 5 and the detection cylinder 4.
As shown in fig. 1, a seal ring 26 is provided to connect the vent pipe 18 and the vent hole 17, thereby preventing gas leakage from affecting the detection result.
When the device is used specifically, the polar plate 5 is aligned to the placing groove 21, then the hydraulic machine 24 is started, the hydraulic machine 24 presses the polar plate 5 at the upper end to move downwards, the polar plate 5 drives the detection cylinder 4 and the sliding plate 20 to move downwards along the sliding groove 19, the polar plate 5 and the detection cylinder 4 are pressed on the bottom plate 1, a closed space is formed between the polar plate 5 and the detection cylinder 4, so that the fixed connection effect between the polar plate 5 and the detection cylinder 4 is realized, the air pump 7 is started, the valve 10 is opened, air enters the closed space between the detection cylinder 4 and the polar plate 5 through the air outlet pipe 8 and the connecting pipe 9, then the air enters the balloon 14 through the air vent 17, the air vent pipe 18 and the supporting pipe 13, the balloon 14 is inflated to discharge water, then the valve 10 is closed, the air in the balloon 14 is kept stable, the water level in the water cup 11 is observed for a period of time, the water level height is observed again, and judging whether the gas in the balloon 14 is reduced or not according to the change of the water level, thereby judging the air tightness of the graphite substrate on the polar plate 5.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should be able to conceive of the present invention without creative design of the similar structural modes and embodiments without departing from the spirit of the present invention, and all such modifications should fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a polar plate gas tightness detection device which characterized in that: the detection device comprises a bottom plate, a support frame, a fixing assembly, a detection barrel, a polar plate and a detection assembly, wherein the support frame is arranged on the bottom plate, one end of the fixing assembly is arranged on the support frame, the other end of the fixing assembly is arranged on the bottom plate, the detection barrel is arranged on the fixing assembly, the polar plate is detachably arranged on the fixing assembly, one end of the detection assembly is arranged on the bottom plate, and the other end of the detection assembly is connected to the detection barrel; the detection assembly comprises an air pump, an air outlet pipe, a connecting pipe, a valve, a water cup, an cover plate, a supporting pipe, a balloon, a sealing piece, a scale, an air vent and an air vent pipe, wherein the air pump is arranged on the bottom plate and is arranged on one side of the detection barrel, the air outlet pipe is connected to the air outlet end of the air pump, one end of the connecting pipe is connected to the air outlet pipe and the other end of the air outlet pipe and is connected to the detection barrel, the valve is arranged on the connecting pipe, the water cup is arranged on the bottom plate and is arranged on one side, away from the air pump, of the detection barrel, the cover plate is arranged on the water cup, the supporting pipe is arranged under the cover plate and is arranged in the water cup, the opening of the balloon is connected to the supporting pipe, the sealing piece is arranged at the joint of the balloon and the connecting pipe, the scale is arranged on the water cup, the air vent is arranged on the side, away from the air pump, and one end of the air vent is connected to the supporting pipe.
2. The plate airtightness detection device according to claim 1, wherein: the fixed subassembly includes spout, slide, standing groove, recess, spring and hydraulic press, the spout symmetry is located on the side of support frame, the slide slidable is located in the spout, the detection section of thick bamboo is connected in the slide, the tip of detection section of thick bamboo is located to the standing groove symmetry, the recess symmetry is located on the bottom plate and is located under the support frame, spring one end is located in the recess and the other end is located under the detection section of thick bamboo, the hydraulic press is located under the support frame and is located the detection section of thick bamboo top.
3. The plate airtightness detection device according to claim 2, wherein: and a gasket is arranged in the placing groove.
4. The plate airtightness detection device according to claim 3, wherein: the connection of breather pipe and air vent is equipped with the sealing washer.
5. The plate airtightness detection device according to claim 4, wherein: the air outlet pipe and the air pipe are arranged in a telescopic hose structure.
6. The device for detecting the airtightness of the electrode plate according to claim 5, wherein: the height of the water level in the water cup is larger than that of the sealing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122295025.7U CN216955030U (en) | 2021-09-23 | 2021-09-23 | Polar plate gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122295025.7U CN216955030U (en) | 2021-09-23 | 2021-09-23 | Polar plate gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216955030U true CN216955030U (en) | 2022-07-12 |
Family
ID=82302257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122295025.7U Active CN216955030U (en) | 2021-09-23 | 2021-09-23 | Polar plate gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216955030U (en) |
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2021
- 2021-09-23 CN CN202122295025.7U patent/CN216955030U/en active Active
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