CN216671705U - Humidifier gas tightness testing device for fuel cell - Google Patents
Humidifier gas tightness testing device for fuel cell Download PDFInfo
- Publication number
- CN216671705U CN216671705U CN202122921387.2U CN202122921387U CN216671705U CN 216671705 U CN216671705 U CN 216671705U CN 202122921387 U CN202122921387 U CN 202122921387U CN 216671705 U CN216671705 U CN 216671705U
- Authority
- CN
- China
- Prior art keywords
- humidifier
- pressure sensor
- testing
- port
- testing part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model relates to a testing device for the air tightness of a humidifier for a fuel cell, which comprises a first testing part, a second testing part and a third testing part; the first testing part comprises an electromagnetic valve, an airtight leakage detector and a first pressure sensor which are connected in sequence, compressed air enters from the electromagnetic valve, and the first pressure sensor is connected with an A port of the humidifier; the second testing part comprises a second pressure sensor and a triangular valve which are connected in sequence, the second pressure sensor is connected with a port B of the humidifier, and the triangular valve is connected with a port C of the humidifier; the third testing part comprises a blocking device and a third pressure sensor which are sequentially connected, and the third pressure sensor is connected with a D port of the humidifier. The experiment has the advantages of simple structure, capability of simultaneously testing the internal circulation and the external circulation and improvement of the working efficiency.
Description
The technical field is as follows:
the utility model relates to the technical field of humidifiers, in particular to a test device for the air tightness of a humidifier for a fuel cell.
Background art:
the fuel cell galvanic pile is in the reaction process, proton exchange membrane need maintain certain humidity in order to guarantee higher reaction efficiency, consequently, it needs to carry a certain amount of vapor entering galvanic pile to require reaction medium, this one-step is usually realized using the humidifier, in order to guarantee that the vapor of humidifier gets into the galvanic pile, carry out the gas tightness test to the humidifier, need to test the inner loop (A mouthful to B mouthful) and the extrinsic cycle (C mouthful to D mouthful) of humidifier, when testing at present, connect test equipment earlier, block up B mouthful with the end cap and do the inner loop test, after connect test equipment and block up D mouthful with the end cap and do the extrinsic cycle test, this kind of separation test, low test efficiency, influence production efficiency.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
The utility model has the following contents:
in order to overcome the defects of the prior art, the utility model provides an air tightness testing device of a humidifier for a fuel cell, which comprises: a first testing part, a second testing part and a third testing part; the first testing part comprises an electromagnetic valve, an airtight leakage detector and a first pressure sensor which are sequentially connected, compressed air enters from the electromagnetic valve, and the first pressure sensor is connected with an A port of the humidifier; the second testing part comprises a second pressure sensor and a triangular valve which are connected in sequence, the second pressure sensor is connected with a port B of the humidifier, and the triangular valve is connected with a port C of the humidifier; the third testing part comprises a blocking device and a third pressure sensor which are sequentially connected, and the third pressure sensor is connected with a D port of the humidifier.
Furthermore, the first testing part further comprises a pressure reducing valve, and the pressure reducing valve is connected with the electromagnetic valve.
Further, the test portion is a triangular valve.
Further, the testing part is a plug.
Compared with the prior art, the air tightness testing device for the humidifier for the fuel cell is provided with the first testing part, the second testing part and the third testing part, the triangular valve is arranged on the second testing part, when the triangular valve is closed, the air tightness test of the internal circulation of the humidifier can be realized, and when the triangular valve is opened, the air tightness test of the external circulation of the humidifier can be realized.
Description of the drawings:
fig. 1 is a schematic view of a testing apparatus for testing the air tightness of a humidifier for a fuel cell according to the present invention.
The specific implementation mode is as follows:
the following detailed description of specific embodiments of the utility model is provided, but it should be understood that the scope of the utility model is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1, a testing apparatus for testing the air tightness of a humidifier for a fuel cell is provided with a first testing part, a second testing part and a third testing part; the first testing part comprises an electromagnetic valve, an airtight leakage detector and a first pressure sensor which are sequentially connected, the first pressure sensor is connected with an A port of the humidifier, and compressed air enters from the electromagnetic valve and enters the humidifier through the airtight leakage detector and the first pressure sensor; the second testing part comprises a second pressure sensor and a triangular valve which are connected in sequence, the second pressure sensor is connected with a port B of the humidifier, the triangular valve is connected with a port C of the humidifier, and compressed air flowing through the internal circulation of the humidifier enters through the port A and flows out through the port B; the third testing part comprises a blocking device and a third pressure sensor which are sequentially connected, the third pressure sensor is connected with a D port of the humidifier, and the blocking device can select a triangular valve or a plug.
In order to control the high-pressure air pressure, a pressure reducing valve is further arranged on the first testing part and connected with an electromagnetic valve, and the pressure reducing valve adjusts the high-pressure air pressure so as to facilitate the air tightness test of the humidifier.
In the specific implementation: when the internal circulation airtightness is tested, the triangular valve is closed, compressed air enters from the electromagnetic valve, enters the humidifier through the airtight leakage detector and the pressure sensor I, enters the internal circulation of the humidifier through the port A of the humidifier, then flows out from the port B of the humidifier, flows through the pressure sensor II, is blocked at the triangular valve, and the change of the numerical value of the airtight leakage detector or the numerical values of the pressure sensor I and the pressure sensor II are observed at the moment to judge the airtightness of the internal circulation of the humidifier; when the external circulation airtightness is tested, the triangular valve is opened, compressed air enters from the electromagnetic valve, enters from the airtight leakage detector and the pressure sensor I, enters the humidifier from the port A of the humidifier, then flows out from the port B of the humidifier, flows through the pressure sensor II and the triangular valve, enters the internal external circulation of the humidifier from the port C of the humidifier, then flows out from the port D of the humidifier, flows through the pressure sensor III, is blocked at the blocking device, and the numerical values of the pressure sensor II and the pressure sensor III are observed at the moment to judge the airtightness of the external circulation of the humidifier.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (4)
1. The utility model provides a humidifier gas tightness testing arrangement for fuel cell which characterized in that: comprises a first testing part, a second testing part and a third testing part; the first testing part comprises an electromagnetic valve, an airtight leakage detector and a first pressure sensor which are sequentially connected, compressed air enters from the electromagnetic valve, and the first pressure sensor is connected with an A port of the humidifier; the second testing part comprises a second pressure sensor and a triangular valve which are sequentially connected, the second pressure sensor is connected with a port B of the humidifier, and the triangular valve is connected with a port C of the humidifier; the third testing part comprises a blocking device and a third pressure sensor which are sequentially connected, and the third pressure sensor is connected with a D port of the humidifier.
2. A humidifier airtightness testing apparatus for a fuel cell according to claim 1, wherein: the first testing part further comprises a pressure reducing valve, and the pressure reducing valve is connected with the electromagnetic valve.
3. A humidifier airtightness testing apparatus for a fuel cell according to claim 1, wherein: the blocking device is a triangular valve.
4. The humidifier airtightness testing apparatus for a fuel cell according to claim 1, wherein: the blocking device is a plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122921387.2U CN216671705U (en) | 2021-11-25 | 2021-11-25 | Humidifier gas tightness testing device for fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122921387.2U CN216671705U (en) | 2021-11-25 | 2021-11-25 | Humidifier gas tightness testing device for fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216671705U true CN216671705U (en) | 2022-06-03 |
Family
ID=81786601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122921387.2U Active CN216671705U (en) | 2021-11-25 | 2021-11-25 | Humidifier gas tightness testing device for fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216671705U (en) |
-
2021
- 2021-11-25 CN CN202122921387.2U patent/CN216671705U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207649860U (en) | A kind of dual polar plates of proton exchange membrane fuel cell air-tightness detection device | |
| CN101587006A (en) | Air tightness detecting system used for lithium battery and detecting method thereof | |
| CN110987324A (en) | Fuel cell air tightness testing device and testing method | |
| CN113884253B (en) | Air tightness detection method, equipment and system | |
| CN210603771U (en) | Proton exchange membrane hydrogen fuel monocell device that leaks hunting | |
| WO2021114209A1 (en) | System and method for rapidly detecting series leakage of fuel cell stack | |
| CN216671705U (en) | Humidifier gas tightness testing device for fuel cell | |
| CN214378516U (en) | Hydrogen circulation testing device of fuel cell | |
| CN208208885U (en) | A kind of fuel cell pile air-tightness detection device | |
| CN210071257U (en) | Gas tightness test bed for fuel cell | |
| CN116565263A (en) | Rapid detection system and method for fuel cell stack air tightness | |
| CN111982420A (en) | Fuel cell stack differential pressure type air leakage testing device and testing method | |
| CN207366383U (en) | The back pressure test device of catalyst unit | |
| CN108760190A (en) | A kind of solenoid valve air-tight test closed system | |
| CN210603772U (en) | Device for full-automatically detecting air tightness of fuel cell stack | |
| CN213120998U (en) | Multifunctional fuel cell stack leak hunting platform | |
| CN104677572A (en) | Proton exchange membrane fuel cell bipolar plate leak detection method and device | |
| CN108956061A (en) | A kind of battery case air-tightness intelligent checking system and its detection method | |
| CN211425782U (en) | Fuel cell system part leakage detection device | |
| CN216925978U (en) | Device for testing air tightness of iron-chromium flow battery stack | |
| CN114858360A (en) | Fuel cell detection device and method | |
| CN114076661A (en) | Automatic leakage detection device and method for fuel cell stack | |
| CN210603776U (en) | Detection apparatus for fuel cell gas tightness | |
| CN114184336A (en) | Device and method for testing air tightness of iron-chromium flow battery stack | |
| CN214946405U (en) | Pneumatic control shuttle valve with leakage detection function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |