CN214538409U - Air tightness detection device of fuel cell MEA - Google Patents
Air tightness detection device of fuel cell MEA Download PDFInfo
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- CN214538409U CN214538409U CN202120910435.5U CN202120910435U CN214538409U CN 214538409 U CN214538409 U CN 214538409U CN 202120910435 U CN202120910435 U CN 202120910435U CN 214538409 U CN214538409 U CN 214538409U
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Abstract
The utility model provides a fuel cell MEA's gas tightness detection device belongs to fuel cell technical field. The method solves the technical problem that the existing equipment cannot calculate the leakage data and the like. This fuel cell MEA's gas tightness detection device, including the press, its characterized in that, be provided with test tooling board and test tooling board down on the press, gas flow channel and seal groove have all been seted up with test tooling board down to last test tooling board, the gas outlet has been seted up to last test tooling board side, the gas outlet is linked together with gas flow channel, the air inlet has been seted up to test tooling board side down, the air inlet is linked together with gas flow channel, the air inlet is linked together with air intake system, the gas outlet is linked together with the system of giving vent to anger. The utility model has the advantages of easy operation and the degree of accuracy is high.
Description
Technical Field
The utility model belongs to the technical field of fuel cell, a gas tightness detection device, especially a fuel cell MEA's gas tightness detection device is related to.
Background
The MEA is an important performance element in the fuel cell, and it is responsible for the process of hydrogen protons passing through the proton exchange membrane and hydrogen electrons passing through an external circuit to chemically react on the cathode side under the action of the catalyst on the two sides of the MEA to generate water, so the air tightness of the MEA will seriously affect the performance and safety of the fuel cell.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provide a fuel cell MEA's gas tightness detection device, solved prior art and can not calculate the problem of leaking data
The purpose of the utility model can be realized by the following technical proposal: the utility model provides a fuel cell MEA's gas tightness detection device, including the press, its characterized in that, be provided with test tooling board and test tooling board down on the press, go up test tooling board and test tooling board down and all seted up gas flow channel and seal groove, go up test tooling board side and seted up the gas outlet, the gas outlet is linked together with gas flow channel, the air inlet has been seted up to test tooling board side down, the air inlet is linked together with gas flow channel, the air inlet is linked together with air intake system, the gas outlet is linked together with the system of giving vent to anger.
The air inlet system comprises an air source main valve, the air source main valve is respectively connected with a detection air source pressure regulating valve and a press air source pressure regulating valve through a three-way pipeline, the detection air source pressure regulating valve is connected with a detection air source switch, the detection air source switch is connected with a test air source inlet, and the test air source inlet is communicated with an air inlet.
The air outlet system comprises a test air source outlet, the test air source outlet is communicated with the air outlet, the test air source outlet is respectively connected with the digital display gas flowmeter and the air emptying switch through an air source pressure relief tee joint, and the pressure regulating valve of the air source of the press machine is connected with the pressure gauge of the air source of the press machine.
And a testing air source pressure gauge is also arranged between the detecting air source pressure regulating valve and the detecting air source switch.
And sealing rings suitable for product structures are arranged in the sealing grooves on the upper test tooling plate and the lower test tooling plate.
The press machine is provided with a press machine switch, a press machine emergency stop and a press machine pressing part, the press machine switch is opened by pressing a press machine cylinder, the press machine emergency stop is an emergency stop button, the press machine is stopped emergently under any condition, and the press machine pressing part is closed, namely, the working state.
The test gas source outlet is connected with the gas source pressure relief tee joint through a PVC gas pipe, and the gas source pressure relief tee joint is connected with the digital display gas flowmeter through the PVC gas pipe.
The working principle of the utility model is as follows: the test gas source enters a tested product through the gas inlet of the lower test tooling plate, and leaked gas is collected from the upper test tooling plate and then passes through the gas outlet of the upper test tooling plate, and is recorded through the digital display gas flowmeter.
Compared with the prior art, the utility model has the advantages of it is following:
1. the fuel cell MEA is placed between the upper test tooling plate and the lower test tooling plate for sealing, and the pressure can be adjusted at any time according to the requirement, so that the fuel cell MEA is not damaged, and the absolute sealing is achieved.
2. The device can measure the air tightness of the MEA and the leakage amount.
3. The device simple structure, convenient operation, the degree of accuracy is high, according to last test tooling board and the sealed principle of test tooling board down, can adapt to the gas tightness detection of various level and smooth products, and application scope is wide.
Drawings
Fig. 1 is a schematic plan view of the present invention.
In the figure, 1, an air source main valve; 2. detecting an air source switch; 3. a pressure regulating valve of a press air source; 4. detecting an air source pressure regulating valve; 5. a pressure gauge of the air source of the press machine; 6. testing an air source pressure gauge; 7. switching on and off the press machine; 8. the press machine is stopped suddenly; 9. pressing by a press; 10. a lower test tooling plate; 11. a press machine; 12. mounting a test tooling plate; 13. an air evacuation switch; 14. the air source pressure relief tee joint; 15. a digital display gas flowmeter; 16. a test gas source outlet; 17. a PVC air pipe; 18. and testing the gas source inlet.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1, the air tightness detection device of the fuel cell MEA includes a press machine 11, in this embodiment, the press machine 11 is provided with an upper test tooling plate 12 and a lower test tooling plate 10, the upper test tooling plate 12 and the lower test tooling plate 10 are both provided with a gas flow channel and a sealing groove, the side surface of the upper test tooling plate 12 is provided with a gas outlet, the gas outlet is communicated with the gas flow channel, the side surface of the lower test tooling plate 10 is provided with a gas inlet, the gas inlet is communicated with the gas flow channel, the gas inlet is communicated with a gas inlet system, and the gas outlet is communicated with a gas outlet system.
The air inlet system comprises an air source main valve 1, wherein the air source main valve 1 is respectively connected with a detection air source pressure regulating valve 4 and an air source pressure regulating valve 3 of a press machine 11 through a three-way pipeline, the detection air source pressure regulating valve 4 is connected with a detection air source switch 2, the detection air source switch 2 is connected with a test air source inlet 18, and the test air source inlet 18 is communicated with an air inlet.
The air outlet system comprises a test air source outlet 16, the test air source outlet 16 is communicated with the air outlet, the test air source outlet 16 is respectively connected with a digital display air flow meter 15 and an air emptying switch 13 through an air source pressure relief tee joint 14, and an air source pressure regulating valve 3 of the press machine 11 is connected with an air source pressure gauge 5 of the press machine 11.
A testing air source pressure gauge 6 is also arranged between the detecting air source pressure regulating valve 4 and the detecting air source switch 2.
Sealing rings suitable for product structures are arranged in the sealing grooves of the upper test tooling plate 12 and the lower test tooling plate 10.
The press machine 11 is provided with a press machine 11 switch 7, a press machine 11 emergency stop 8 and a press machine 11 press 9, the press machine 11 switch 7 is opened by pressing a press machine 11 cylinder, the press machine 11 emergency stop 8 is an emergency stop button, the press machine 11 is stopped emergently under any condition, and the press machine 11 press 9 is closed, namely, the working state.
The test air source outlet 16 is connected with the air source pressure relief tee joint 14 through a PVC air pipe 17, the air source pressure relief tee joint 14 is connected with the digital display air flow meter 15 through the PVC air pipe 17, and in the embodiment, a 0.6mm PVC hose is adopted.
In this embodiment, the digital display gas meter 15 may be in communication with the atmosphere.
The working principle of the utility model is as follows: the test gas source enters the tested product through the gas inlet of the lower test tooling plate 10, and the leaked gas is collected from the upper test tooling plate 12 and then passes through the gas outlet of the upper test tooling plate 12 and is recorded through the digital display gas flowmeter 15.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a fuel cell MEA's gas tightness detection device, including the press, its characterized in that, be provided with test tooling board and test tooling board down on the press, go up test tooling board and test tooling board down and all seted up gas flow channel and seal groove, go up test tooling board side and seted up the gas outlet, the gas outlet is linked together with gas flow channel, the air inlet has been seted up to test tooling board side down, the air inlet is linked together with gas flow channel, the air inlet is linked together with air intake system, the gas outlet is linked together with the system of giving vent to anger.
2. The apparatus for detecting the gas tightness of a fuel cell MEA according to claim 1, wherein the gas inlet system comprises a gas source main valve, the gas source main valve is respectively connected with a detection gas source pressure regulating valve and a press gas source pressure regulating valve through a three-way pipeline, the detection gas source pressure regulating valve is connected with a detection gas source switch, the detection gas source switch is connected with a test gas source inlet, and the test gas source inlet is communicated with the gas inlet.
3. The apparatus of claim 2, wherein the gas outlet system comprises a testing gas source outlet, the testing gas source outlet is communicated with the gas outlet, the testing gas source outlet is respectively connected with the digital display gas flowmeter and the air emptying switch through a gas source pressure relief tee, and the pressure regulating valve of the press machine gas source is connected with the pressure gauge of the press machine gas source.
4. The device for detecting the air tightness of the MEA of the fuel cell according to claim 3, wherein the test air source outlet is connected with the air source pressure relief tee joint through a PVC air pipe, and the air source pressure relief tee joint is connected with the digital display gas flowmeter through the PVC air pipe.
5. The apparatus for detecting the air tightness of a fuel cell MEA according to claim 2, wherein a test air source pressure gauge is further disposed between the pressure regulating valve of the detection air source and the detection air source switch.
6. The apparatus for detecting the air tightness of a fuel cell MEA according to claim 1, wherein the sealing grooves of the upper and lower test tool plates are provided with sealing rings suitable for product structures.
7. The apparatus for detecting the air tightness of a fuel cell MEA according to claim 1, wherein the press is provided with a press switch, a press emergency stop and a press fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120910435.5U CN214538409U (en) | 2021-04-29 | 2021-04-29 | Air tightness detection device of fuel cell MEA |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120910435.5U CN214538409U (en) | 2021-04-29 | 2021-04-29 | Air tightness detection device of fuel cell MEA |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999013A (en) * | 2020-09-07 | 2020-11-27 | 湖南钒谷新能源技术有限公司 | Diaphragm gas tightness detection device |
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2021
- 2021-04-29 CN CN202120910435.5U patent/CN214538409U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111999013A (en) * | 2020-09-07 | 2020-11-27 | 湖南钒谷新能源技术有限公司 | Diaphragm gas tightness detection device |
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