CN221041181U - Multi-stack parallel fuel cell flow control device - Google Patents
Multi-stack parallel fuel cell flow control device Download PDFInfo
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- CN221041181U CN221041181U CN202322243655.9U CN202322243655U CN221041181U CN 221041181 U CN221041181 U CN 221041181U CN 202322243655 U CN202322243655 U CN 202322243655U CN 221041181 U CN221041181 U CN 221041181U
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- cooling liquid
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Abstract
The utility model belongs to the field of fuel cell testing, and discloses a flow control device for a fuel cell with multiple stacks connected in parallel. The device comprises a hydrogen inlet, a hydrogen flow controller, a hydrogen back pressure valve, a hydrogen discharge port, an air inlet, an air flow controller, an air back pressure valve, an air discharge port, a fuel cell stack, a cooling liquid inlet, a cooling liquid flow control valve and a cooling liquid outlet. The utility model can avoid flow fluctuation during multi-stack test of the reaction gas; the flow fluctuation of the reaction gas is avoided by skillfully utilizing the conventional device structure, so that the simultaneous test of multiple stacks can be realized, and the economy is good; the problem that the operation of the fuel cell stack is affected due to uneven distribution of reactant gas flow when a plurality of stacks are connected in parallel is solved.
Description
Technical Field
The utility model belongs to the technical field of fuel cell testing, and particularly relates to a flow control device for a fuel cell with multiple stacks connected in parallel.
Background
The fuel cell is a clean, efficient and long-life power generation device. Compared with the conventional power generation technology, the fuel cell has great advantages in the aspects of efficiency, safety, reliability, flexibility, cleanliness, operation performance and the like, and has very broad application prospect. As one of the fuel cells, the proton exchange membrane fuel cell has the advantages of low operation temperature, high specific energy, long service life, high response speed, no electrolyte leakage and the like, and has good application prospect in the aspects of national defense, energy, traffic, environmental protection, communication and the like. In the testing process of the proton exchange membrane fuel cell, the flow control of the cathode and anode inlet gases (hydrogen and air) is one of the most important links, and the flow control of the anode and cathode reaction gases of the conventional device is insufficient. Particularly, in the process of testing operation, when two or more stacks are tested simultaneously, the flow distribution is uneven due to the parallel connection of multiple pipelines, so that the fuel cell testing index is affected.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model provides a multi-stack parallel fuel cell flow control device which can solve the problems that the flow of anode and cathode reaction gases and the flow of cooling liquid are not controlled sufficiently, especially in the test process, when two or more stacks are tested simultaneously, the flow fluctuation is caused by uneven flow distribution due to multi-pipeline parallel connection, and the test index of the fuel cell is influenced.
The above object of the present utility model is achieved by the following technical solutions: a multi-stack parallel fuel cell flow control device comprises a hydrogen inlet, a hydrogen flow controller a, a hydrogen back pressure valve a, a hydrogen discharge port, an air inlet, an air flow controller a, an air back pressure valve a, an air discharge port, a fuel cell stack a, a fuel cell stack b, a cooling liquid inlet, a cooling liquid flow control valve a, a cooling liquid flow control valve b, a cooling liquid outlet, a hydrogen flow controller b, an air flow controller b, a hydrogen back pressure valve b and an air back pressure valve b; the hydrogen inlet is divided into two pipelines, one pipeline is sequentially connected with the hydrogen flow controller a, the fuel cell stack a, the hydrogen back pressure valve a and the hydrogen discharge port, and the other pipeline is sequentially connected with the hydrogen flow controller b, the fuel cell stack b, the hydrogen back pressure valve b and the hydrogen discharge port; the air inlet is divided into two pipelines, one is sequentially connected with an air flow controller a, a fuel cell stack a, an air back pressure valve a and an air discharge port, and the other is sequentially connected with an air flow controller b, a fuel cell stack b, an air back pressure valve b and an air discharge port; the cooling liquid inlet is divided into two pipelines, one is sequentially connected with the cooling liquid flow control valve a, the fuel cell stack a and the cooling liquid outlet, and the other is sequentially connected with the cooling liquid flow control valve b, the fuel cell stack b and the cooling liquid outlet.
Compared with the prior art, the utility model has the beneficial effects that: flow fluctuation during multi-stack test of the reaction gas can be avoided; the flow fluctuation of the reaction gas is avoided by skillfully utilizing the conventional device structure, so that the simultaneous test of multiple stacks can be realized, and the economy is good; the problem that the operation of the fuel cell stack is affected due to uneven distribution of the flow of the reaction gas and the flow of the cooling liquid when a plurality of stacks are connected in parallel is solved.
Drawings
The utility model will be further described with reference to the drawings and the detailed description
Fig. 1 is a schematic diagram of a multi-stack parallel fuel cell flow control device of the present utility model.
The figure 1. Hydrogen inlet; 2. a hydrogen flow controller a;3. a hydrogen back pressure valve a;4. a hydrogen gas discharge port; 5. an air inlet; 6. an air flow controller a;7. an air back pressure valve a;8. an air discharge port; 9. a fuel cell stack a;10. a fuel cell stack b;11. a cooling liquid inlet; 12. a coolant flow control valve a;13. a coolant flow control valve b;14. a cooling liquid outlet; 15. a hydrogen flow controller b;16. an air flow controller b;17. a hydrogen back pressure valve b;18. an air back pressure valve b.
Detailed Description
The present utility model is described in detail below by way of specific examples, but the scope of the present utility model is not limited thereto. Unless otherwise specified, the experimental methods used in the present utility model are all conventional methods, and all experimental equipment, materials, reagents, etc. used can be obtained from commercial sources.
Example 1
A multi-stack parallel fuel cell flow control device comprises a hydrogen inlet, a hydrogen flow controller a, a hydrogen back pressure valve a, a hydrogen discharge port, an air inlet, an air flow controller a, an air back pressure valve a, an air discharge port, a fuel cell stack a, a fuel cell stack b, a cooling liquid inlet, a cooling liquid flow control valve a, a cooling liquid flow control valve b, a cooling liquid outlet, a hydrogen flow controller b, an air flow controller b, a hydrogen back pressure valve b and an air back pressure valve b; the hydrogen inlet is divided into two pipelines, one pipeline is sequentially connected with the hydrogen flow controller a, the fuel cell stack a, the hydrogen back pressure valve a and the hydrogen discharge port, and the other pipeline is sequentially connected with the hydrogen flow controller b, the fuel cell stack b, the hydrogen back pressure valve b and the hydrogen discharge port; the air inlet is divided into two pipelines, one is sequentially connected with an air flow controller a, a fuel cell stack a, an air back pressure valve a and an air discharge port, and the other is sequentially connected with an air flow controller b, a fuel cell stack b, an air back pressure valve b and an air discharge port; the cooling liquid inlet is divided into two pipelines, one is sequentially connected with the cooling liquid flow control valve a, the fuel cell stack a and the cooling liquid outlet, and the other is sequentially connected with the cooling liquid flow control valve b, the fuel cell stack b and the cooling liquid outlet.
The hydrogen of the reaction gas after humidification treatment enters a hydrogen flow controller (2) and a flow controller (15) through a hydrogen inlet 1, then a part of hydrogen enters a fuel cell stack (9) to participate in the reaction after being controlled by the flow controller (2) and enters a hydrogen back pressure valve (3), and then is discharged through a discharge port (4); the other part of hydrogen enters the fuel cell stack (10) to participate in the reaction after the flow is controlled by the flow controller (15) and enters the hydrogen back pressure valve (17), and then is discharged through the discharge port (4);
The other path of humidified reaction gas air enters an air flow controller (6) and a flow controller (16) through an air inlet (1), then a part of air enters a fuel cell stack (9) to participate in the reaction after controlling the flow through the flow controller (6) and enters an air back pressure valve (7), and then is discharged through a discharge port (8); the other part of air enters the fuel cell stack (10) to participate in the reaction after the flow is controlled by the flow controller (16) and enters the hydrogen back pressure valve (18), and then is discharged through the discharge port (8);
The cooling liquid of the electric pile enters from the cooling liquid inlet (11), one part of the cooling liquid enters into the fuel cell electric pile (9) after the flow rate is controlled by the cooling liquid control valve (12) and then is discharged from the cooling liquid outlet (14), and the other part of the cooling liquid enters into the fuel cell electric pile (10) after the flow rate is controlled by the cooling liquid control valve (13) and then is discharged from the cooling liquid outlet (14).
The above-described embodiments are only preferred embodiments of the utility model, and not all embodiments of the utility model are possible. Any obvious modifications thereof, which would be apparent to those skilled in the art without departing from the principles and spirit of the present utility model, should be considered to be included within the scope of the appended claims.
Claims (1)
1. The multi-stack parallel fuel cell flow control device is characterized by comprising a hydrogen inlet (1), a hydrogen flow controller a (2), a hydrogen back pressure valve a (3), a hydrogen discharge port (4), an air inlet (5), an air flow controller a (6), an air back pressure valve a (7), an air discharge port (8), a fuel cell stack a (9), a fuel cell stack b (10), a cooling liquid inlet (11), a cooling liquid flow control valve a (12), a cooling liquid flow control valve b (13), a cooling liquid outlet (14), a hydrogen flow controller b (15), an air flow controller b (16), a hydrogen back pressure valve b (17) and an air back pressure valve b (18); the device connection mode is as follows: the hydrogen inlet (1) is divided into two pipelines, one pipeline is sequentially connected with a hydrogen flow controller a (2), a fuel cell stack a (9), a hydrogen back pressure valve a (3) and a hydrogen discharge port (4), and the other pipeline is sequentially connected with a hydrogen flow controller b (15), a fuel cell stack b (10), a hydrogen back pressure valve b (17) and the hydrogen discharge port (4); the air inlet (5) is divided into two pipelines, one pipeline is sequentially connected with an air flow controller a (6), a fuel cell stack a (9), an air back pressure valve a (7) and an air discharge port (8), and the other pipeline is sequentially connected with an air flow controller b (16), a fuel cell stack b (10), an air back pressure valve b (18) and an air discharge port (8); the cooling liquid inlet (11) is divided into two pipelines, one pipeline is sequentially connected with the cooling liquid flow control valve a (12), the fuel cell stack a (9) and the cooling liquid outlet (14), and the other pipeline is sequentially connected with the cooling liquid flow control valve b (13), the fuel cell stack b (10) and the cooling liquid outlet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322243655.9U CN221041181U (en) | 2023-08-21 | 2023-08-21 | Multi-stack parallel fuel cell flow control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322243655.9U CN221041181U (en) | 2023-08-21 | 2023-08-21 | Multi-stack parallel fuel cell flow control device |
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| Publication Number | Publication Date |
|---|---|
| CN221041181U true CN221041181U (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322243655.9U Active CN221041181U (en) | 2023-08-21 | 2023-08-21 | Multi-stack parallel fuel cell flow control device |
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| CN (1) | CN221041181U (en) |
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- 2023-08-21 CN CN202322243655.9U patent/CN221041181U/en active Active
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Address after: 3-1-2, Room 201, Building 5, Huashan Road Commercial Street, Longshan Street, Economic and Technological Development Zone, Wuhu City, Anhui Province Patentee after: Anhui Ruige New Energy Technology Co.,Ltd. Country or region after: China Address before: No. 777 Xin Cement Road, Xinzhaizi Street, Ganjingzi District, Dalian City, Liaoning Province Patentee before: DALIAN RIGOR NEW ENERGY TECHNOLOGY CO.,LTD. Country or region before: China |
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Address after: Building A1-3, Yinfeng Industrial Park, North of Weiyi Road, East District, Wanchun Street, Economic and Technological Development Zone, Wuhu City, Anhui Province 241060 Patentee after: Ruige New Energy Technology Group Co.,Ltd. Country or region after: China Address before: 3-1-2, Room 201, Building 5, Huashan Road Commercial Street, Longshan Street, Economic and Technological Development Zone, Wuhu City, Anhui Province Patentee before: Anhui Ruige New Energy Technology Co.,Ltd. Country or region before: China |