CN221041175U - Fuel cell manifold structure - Google Patents
Fuel cell manifold structure Download PDFInfo
- Publication number
- CN221041175U CN221041175U CN202320775160.8U CN202320775160U CN221041175U CN 221041175 U CN221041175 U CN 221041175U CN 202320775160 U CN202320775160 U CN 202320775160U CN 221041175 U CN221041175 U CN 221041175U
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- Prior art keywords
- connector
- cooling water
- hydrogen
- outlet
- manifold
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- 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.)
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- 239000000446 fuel Substances 0.000 title claims abstract description 23
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000000498 cooling water Substances 0.000 claims abstract description 64
- 239000001257 hydrogen Substances 0.000 claims abstract description 63
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 6
- WSNMPAVSZJSIMT-UHFFFAOYSA-N COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 Chemical compound COc1c(C)c2COC(=O)c2c(O)c1CC(O)C1(C)CCC(=O)O1 WSNMPAVSZJSIMT-UHFFFAOYSA-N 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 abstract description 8
- 239000003570 air Substances 0.000 description 46
- 150000002431 hydrogen Chemical class 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model provides a fuel cell manifold structure, which comprises a manifold II and a manifold I which are respectively arranged at two ends of a pile end plate, wherein the manifold II and the manifold I comprise: the hydrogen gas cooling device comprises a box body, an air port connector, a hydrogen port connector, a cooling water port connector and a sealing ring, wherein three through holes are formed in the box body, the three through holes are respectively corresponding to the air port connector, the hydrogen port connector and the cooling water port connector and are fixedly connected, the three through holes are respectively connected with the air port connector, the hydrogen port connector and the cooling water port connector, the sealing ring is respectively arranged between the through holes and the cooling water port connector, and the box body is fixedly connected with a pile end plate. The technical scheme of the utility model solves the problems of low integration level, complex structure and large volume of the manifold in the prior art.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to a fuel cell manifold structure.
Background
In recent years, proton exchange membrane fuel cells are widely applied to various fields due to the characteristics of low working temperature, high power density, greenness, no pollution and the like, and a manifold is an intermediate part for connecting the fuel cells with external pipelines, so that the manifold plays a key role in circulating in and out fuel and cooling water in the fuel cells, and the existing manifold has large volume, complex structure and large pressure loss due to low integration level of interfaces.
Disclosure of Invention
According to the technical problems of low manifold integration, complex structure and large volume, the fuel cell manifold structure is provided. The utility model mainly utilizes the inlet and outlet of integrated hydrogen, air and cooling water, improves the integration level of the inlet and outlet on the manifold, reduces the whole volume of the manifold, and is more convenient for processing.
The utility model adopts the following technical means:
A fuel cell manifold structure comprising a manifold II and a manifold I mounted at both ends of a stack end plate, respectively, the manifold II and the manifold I each comprising: the hydrogen gas cooling device comprises a box body, an air port connector, a hydrogen port connector, a cooling water port connector and a sealing ring, wherein three through holes are formed in the box body, the three through holes are respectively corresponding to the air port connector, the hydrogen port connector and the cooling water port connector and are fixedly connected, the three through holes are respectively connected with the air port connector, the hydrogen port connector and the cooling water port connector, the sealing ring is respectively arranged between the through holes and the cooling water port connector, and the box body is fixedly connected with a pile end plate.
Further, the manifold I comprises a box body I, an air inlet connector, a cooling water inlet connector and a hydrogen outlet connector, wherein an air inlet, a cooling water inlet and a hydrogen outlet are formed in the box body I, the air inlet connector, the cooling water inlet connector and the hydrogen outlet connector are respectively and fixedly installed on the air inlet, the cooling water inlet and the hydrogen outlet, sealing rings are respectively placed between the air inlet connector and the air inlet, between the cooling water inlet connector and the cooling water inlet and between the hydrogen outlet connector and the hydrogen outlet, the box body I is connected with one side of a pile end plate, and sealing gaskets are arranged between the box body I and the pile end plate.
Further, manifold II includes box body II, air outlet connects, cooling water outlet connects and hydrogen entry connects, offer air outlet, cooling water outlet and hydrogen entry on the box body II, air outlet connects cooling water outlet connects with hydrogen entry connects respectively fixed mounting be in air outlet the cooling water outlet with on the hydrogen entry, air outlet connects with between the air outlet, cooling water outlet connects with between the cooling water outlet, hydrogen entry connects with place respectively between the hydrogen entry sealing washer, box body II with the opposite side of pile end plate is connected, box body I with be provided with the sealing washer between the pile end plate.
Further, six fluid channels are arranged on the pile end plate and are respectively in one-to-one correspondence with the air inlet, the air outlet, the hydrogen inlet, the cooling water outlet and the cooling water inlet.
Further, a step structure I is arranged in the air outlet at one side close to the pile end plate, and the lower part of the air outlet connector is arranged in the step structure I.
Further, the hydrogen outlet is provided with a step structure II at the side close to the pile end plate, and the lower part of the hydrogen outlet connector is arranged in the step structure II.
Further, the materials of the manifold II and the manifold I are PPS.
Compared with the prior art, the utility model has the following advantages:
1. According to the fuel cell manifold structure, through integrating the inlet and outlet of hydrogen, air and cooling water, the integration level of the inlet and outlet of the manifold is improved, so that the whole volume of the manifold is small, the processing is convenient, and the arranged step structure is also beneficial to discharging reaction generated water, so that backflow or accumulated water in a flow field is avoided.
2. The fuel cell manifold structure provided by the utility model has a certain buffering effect on gas entering the electric pile by arranging the fluid inlet structure corresponding to the inlet shape on the end plate, so that the pressure loss is reduced to a certain extent.
In conclusion, the technical scheme of the utility model integrates the inlet and outlet of hydrogen, air and cooling water, improves the integration level of the inlet and outlet on the manifold, reduces the whole volume of the manifold, and is more convenient to process. Therefore, the technical scheme of the utility model solves the problems of low integration level, complex structure and large volume of the manifold in the prior art.
For the above reasons, the utility model can be widely popularized in the fields of fuel cells and the like.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic view of a fuel cell manifold according to the present utility model.
Fig. 2 is a schematic structural diagram of the case II according to the present utility model.
Fig. 3 is a schematic structural diagram of the case I according to the present utility model.
In the figure: 1. a stack end plate; 2. a box body I; 3. a box body II; 4. an air inlet fitting; 5. a cooling water inlet joint; 6. a hydrogen outlet joint; 7. an air outlet connector; 8. a cooling water outlet joint; 9. a hydrogen inlet joint; 10. a seal ring; 11. a sealing gasket; 12. a manifold II; 13. a manifold I; 14. a step structure I; 15. step structure II.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
Example 1
As shown in fig. 1 to 3, the present utility model provides a fuel cell manifold structure, comprising a manifold II 12 and a manifold I13 respectively mounted at both ends of a stack end plate 1, the manifold II 12 and the manifold I13 each comprising: the box body, air port joint, hydrogen port joint, cooling mouth of a river joint and sealing washer 10, set up three through-hole on the box body, three the through-hole respectively with the air port joint the hydrogen port joint with the cooling mouth of a river connects and corresponds and pass through bolt fixed connection, three the through-hole with the air port joint the hydrogen port joint with all install between the cooling mouth of a river connects sealing washer 10, the box body with pile end plate 1 passes through bolt fixed connection.
Further, the manifold I13 includes a box I2, an air inlet connector 4, a cooling water inlet connector 5 and a hydrogen outlet connector 6, wherein the box I2 is provided with an air inlet, a cooling water inlet and a hydrogen outlet, the air inlet connector 4, the cooling water inlet connector 5 and the hydrogen outlet connector 6 are respectively and fixedly mounted on the air inlet, the cooling water inlet and the hydrogen outlet through bolts, a sealing ring 10 is respectively disposed between the air inlet connector 4 and the air inlet, between the cooling water inlet connector 5 and the cooling water inlet, between the hydrogen outlet connector 6 and the hydrogen outlet, the box I2 is connected with one side of the electric pile end plate 1 through bolts, and a sealing gasket 11 is disposed between the box I2 and the electric pile end plate 1.
Further, the manifold II 12 includes a box II 3, an air outlet connector 7, a cooling water outlet connector 8 and a hydrogen inlet connector 9, the box II 3 is provided with an air outlet, a cooling water outlet and a hydrogen inlet, the air outlet connector 7, the cooling water outlet connector 8 and the hydrogen inlet connector 9 are respectively mounted on the air outlet, the cooling water outlet and the hydrogen inlet through bolts, a sealing ring 10 is respectively disposed between the air outlet connector 7 and the air outlet, between the cooling water outlet connector 8 and the cooling water outlet, between the hydrogen inlet connector 9 and the hydrogen inlet, the box II 3 is connected with the other side of the galvanic pile end plate 1 through bolts, and a sealing gasket 11 is disposed between the box I2 and the galvanic pile end plate 1.
Further, six fluid channels are arranged on the pile end plate 1 and are respectively in one-to-one correspondence with the air inlet, the air outlet, the hydrogen inlet, the cooling water outlet and the cooling water inlet.
Further, a step structure I14 is disposed in the air outlet at a side close to the stack end plate 1, and the lower part of the air outlet connector 7 is mounted in the step structure I14, so that a height difference is formed between the bottom surface of the air outlet connector 7 and the upper surface of the step structure I14, which is beneficial to drainage.
Further, the hydrogen outlet is provided with a step structure II 15 near the end plate side of the galvanic pile, and the lower part of the hydrogen outlet connector 6 is mounted in the step structure II 15, so that a height difference is formed between the bottom surface of the hydrogen outlet connector 6 and the upper surface of the step structure II 15, and backflow or water accumulation inside the galvanic pile can be prevented.
Further, the materials of the manifold II 12 and the manifold I13 are PPS, and the manifold has the advantages of light weight and good insulativity.
Further, the seal ring 10 and the gasket 11 are used for sealing the gas and the cooling water, and preventing the gas and the cooling water from leaking.
Further, the air port connector, the hydrogen port connector and the cooling water port connector are mainly used for connecting an external pipeline, so that the connection is convenient.
By adopting the technical scheme of the utility model to integrate the inlet and outlet of hydrogen, air and cooling water, the integration level of the inlet and outlet on the manifold can be improved, the whole volume of the manifold is reduced, and the processing is more convenient.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.
Claims (7)
1. A fuel cell manifold structure comprising a manifold II and a manifold I mounted to both ends of a stack end plate, respectively, the manifold II and the manifold I each comprising: the hydrogen gas cooling device comprises a box body, an air port connector, a hydrogen port connector, a cooling water port connector and a sealing ring, wherein three through holes are formed in the box body, the three through holes are respectively corresponding to the air port connector, the hydrogen port connector and the cooling water port connector and are fixedly connected, the three through holes are respectively connected with the air port connector, the hydrogen port connector and the cooling water port connector, the sealing ring is respectively arranged between the through holes and the cooling water port connector, and the box body is fixedly connected with a pile end plate.
2. The fuel cell manifold structure according to claim 1, wherein the manifold I includes a case I, an air inlet connector, a cooling water inlet connector and a hydrogen outlet connector, the case I is provided with an air inlet, a cooling water inlet and a hydrogen outlet, the air inlet connector, the cooling water inlet connector and the hydrogen outlet connector are respectively fixedly installed on the air inlet, the cooling water inlet and the hydrogen outlet, sealing rings are respectively placed between the air inlet connector and the air inlet, between the cooling water inlet connector and the cooling water inlet, between the hydrogen outlet connector and the hydrogen outlet, the case I is connected with one side of the stack end plate, and sealing gaskets are provided between the case I and the stack end plate.
3. The fuel cell manifold structure according to claim 2, wherein the manifold II comprises a case II, an air outlet connector, a cooling water outlet connector and a hydrogen inlet connector, wherein the case II is provided with an air outlet, a cooling water outlet and a hydrogen inlet, the air outlet connector, the cooling water outlet connector and the hydrogen inlet connector are respectively fixedly installed on the air outlet, the cooling water outlet and the hydrogen inlet, the sealing rings are respectively placed between the air outlet connector and the air outlet, between the cooling water outlet connector and the cooling water outlet, between the hydrogen inlet connector and the hydrogen inlet, and the case II is connected with the other side of the stack end plate.
4. The fuel cell manifold structure according to claim 3, wherein six fluid passages are provided on the stack end plate in one-to-one correspondence with the air inlet, the air outlet, the hydrogen inlet, the cooling water outlet, and the cooling water inlet, respectively.
5. A fuel cell manifold structure according to claim 3, wherein the air outlet is internally provided with a stepped structure I on a side close to the stack end plate, and the air outlet joint lower portion is fitted into the stepped structure I.
6. The fuel cell manifold structure according to claim 2, wherein the hydrogen gas outlet is provided with a step structure II on a side close to the stack end plate, and the hydrogen gas outlet joint lower portion is mounted in the step structure II.
7. The fuel cell manifold structure according to claim 1, wherein the material of the manifold II and the manifold I is PPS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320775160.8U CN221041175U (en) | 2023-04-10 | 2023-04-10 | Fuel cell manifold structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320775160.8U CN221041175U (en) | 2023-04-10 | 2023-04-10 | Fuel cell manifold structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221041175U true CN221041175U (en) | 2024-05-28 |
Family
ID=91171459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320775160.8U Active CN221041175U (en) | 2023-04-10 | 2023-04-10 | Fuel cell manifold structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221041175U (en) |
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2023
- 2023-04-10 CN CN202320775160.8U patent/CN221041175U/en active Active
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