CN112103547A - Fuel cell stack manifold assembly - Google Patents
Fuel cell stack manifold assembly Download PDFInfo
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- CN112103547A CN112103547A CN202010989578.XA CN202010989578A CN112103547A CN 112103547 A CN112103547 A CN 112103547A CN 202010989578 A CN202010989578 A CN 202010989578A CN 112103547 A CN112103547 A CN 112103547A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
- H01M8/04164—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal by condensers, gas-liquid separators or filters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04253—Means for solving freezing problems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2483—Details of groupings of fuel cells characterised by internal manifolds
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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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- Manufacturing & Machinery (AREA)
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention relates to the technical field of automobiles, and particularly discloses a fuel cell stack manifold assembly, which comprises: the first end and the second end of the manifold main body are both provided with a plurality of medium interfaces communicated with the electric pile; the double-stage steam-water separator is used for separating water and hydrogen in steam-water discharged from the electric pile, and comprises a low-speed steam-water separator and a high-speed steam-water separator which are communicated with each other; the water collecting mechanism is used for collecting water discharged from the two-stage steam-water separator and is communicated with the two-stage steam-water separator; the water drainage pipe is communicated with the water collecting mechanism through an electromagnetic valve; and the heating mechanism is arranged on one side of the water collecting mechanism and is used for heating the electromagnetic valve and the cooling liquid outlet. The fuel cell stack manifold assembly provided by the invention can improve the integration level of a fuel cell stack system and simplify the fuel cell stack system.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a fuel cell stack manifold assembly.
Background
The fuel cell stack manifold assembly is mainly used as a medium interface, hydrogen, air and cooling liquid required by the stack flow through the manifold assembly to enter the stack, and the hydrogen, the air and the cooling liquid after the reaction flow through the manifold assembly to return to the stack again. The structure and function of the fuel cell stack manifold assembly has a very important influence on the performance of the stack and the volumetric power of the stack and the fuel cell system.
The fuel cell stack manifold assembly in the prior art only has a simple fluid distribution function, has a single function, and does not play a role in simplifying a fuel cell stack system.
Disclosure of Invention
The invention aims to provide a fuel cell stack manifold assembly to improve the integration level of a fuel cell stack system and simplify the fuel cell stack system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fuel cell stack manifold assembly comprising:
the first end and the second end of the manifold main body are respectively provided with a plurality of medium interfaces communicated with the electric pile, the first end and the second end are oppositely arranged, and the medium interfaces comprise steam-water outlets and cooling liquid outlets;
the double-stage steam-water separator is used for separating water and hydrogen in the steam-water discharged from the electric pile and is arranged between the first end and the second end, the double-stage steam-water separator comprises a low-speed steam-water separator and a high-speed steam-water separator which are communicated, the initial end of the high-speed steam-water separator is communicated with the steam-water outlet, and the separated hydrogen is discharged from the tail end of the low-speed steam-water separator;
the water collecting mechanism is arranged below the two-stage steam-water separator and communicated with the two-stage steam-water separator;
the water drainage pipe is arranged on the lower side of the manifold main body and is communicated with the water collecting mechanism through an electromagnetic valve;
and the heating mechanism is arranged on one side of the water collecting mechanism and is used for heating the electromagnetic valve and the cooling liquid outlet.
Preferably, the water collecting mechanism includes:
a water collection channel extending in a direction in which the first end and the second end are disposed;
the chamber catchments, catchment runner's both ends all communicate there are catchment the chamber, two catchment the intracavity all is connected with the solenoid valve.
Preferably, the high-speed steam-water separator includes:
the first steam-water cavity is arranged in the manifold main body;
the upper wall and the lower wall of the first steam cavity are connected with the first baffles, and the first baffles and the inner wall of the first steam cavity enclose a snake-shaped flow channel.
Preferably, the low-speed steam-water separator includes:
the second steam-water cavity is arranged on the manifold main body and is of a cylindrical structure;
and the plurality of second baffles are uniformly arranged along the circumferential direction of the second steam-water cavity and arranged at an included angle with the radial direction of the second steam-water cavity, and one ends of the plurality of second baffles, which are far away from the inner wall of the second steam-water cavity, are encircled to form the tail end of the low-speed steam-water separator.
Preferably, the dual-stage steam-water separator further comprises:
the first connecting channel is arranged on the manifold main body and is used for communicating the steam-water outlet with the high-speed steam-water separator;
and the second connecting channel is arranged on the manifold main body and is used for communicating the high-speed steam-water separator with the low-speed steam-water separator.
Preferably, the medium interface includes a cooling liquid inlet provided at the first end of the manifold main body, a hydrogen inlet provided at the second end of the manifold main body, and an air outlet, and the air outlet, the hydrogen inlet, and the cooling liquid inlet are respectively provided with a first temperature and pressure sensor, a pressure sensor, and a second temperature sensor.
Preferably, the two water collecting cavities are respectively provided with a contact pin type liquid level sensor.
Preferably, the manifold main body comprises a base and a cover plate arranged on the base in a covering mode, and the base and the cover plate are covered to form the double-stage steam-water separator, the water collecting mechanism and the heating mechanism.
Preferably, the base and the cover plate are connected by a plurality of fastening bolts, and the plurality of fastening bolts are arranged along the plurality of medium interfaces, the double-stage steam-water separator and the outer side of the heating mechanism at intervals.
Preferably, a sealing ring is arranged between the base and the cover plate, and the sealing rings are arranged on the outer sides of the plurality of medium interfaces, the two-stage steam-water separator and the heating mechanism.
The invention has the beneficial effects that:
the fuel cell stack manifold assembly is integrated with the medium interface, the two-stage steam-water separator, the water collecting mechanism and the heating mechanism, so that the integration level of the fuel cell stack manifold assembly is improved, the fuel cell stack manifold assembly has the function of separating hydrogen and water in steam, and the cold start performance of the fuel cell stack manifold assembly is improved.
Drawings
FIG. 1 is a schematic structural diagram of a manifold assembly of a fuel cell stack according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a fuel cell stack manifold assembly with a cover plate removed;
fig. 3 is a schematic structural diagram of a fuel cell stack manifold assembly provided by an embodiment of the invention with a cover plate and a medium pipe integrally removed.
In the figure:
1. a manifold body; 11. a base; 12. a cover plate; 14. an air inlet; 15. a coolant inlet; 16. a steam outlet; 17. a hydrogen inlet; 18. a coolant outlet; 19. an air outlet;
2. a two-stage steam-water separator; 21. a high-speed steam-water separator; 211. a second vapor-water chamber; 212. a second baffle; 22. a low-speed steam-water separator; 221. a first vapor-water chamber; 222. a first baffle plate; 23. a first connecting channel; 24. a second connecting channel;
3. fastening a bolt;
4. a water collecting mechanism; 41. a water collection flow channel; 42. a water collection cavity;
5. a drain pipe;
6. a heating mechanism; 61. a heat medium flow passage; 62. a heat medium inlet; 63. a thermal medium outlet;
71. a first air tube; 72. a second air tube; 73. a first coolant tube; 74. a second coolant tube; 75. a first hydrogen pipe; 76. a second hydrogen pipe; 77. a first heat medium pipe; 78. a second heat medium pipe;
81. a water discharge electromagnetic valve; 82. a hydrogen discharge solenoid valve;
91. a contact pin type liquid level sensor; 92. a first temperature and pressure sensor; 93. a pressure sensor; 94. a second temperature sensor.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the present invention, the directional terms such as "upper", "lower", "left", "right", "inner" and "outer" are used for easy understanding without making a contrary explanation, and thus do not limit the scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a fuel cell stack manifold assembly, which is used in a fuel cell stack system to improve the integration level of the fuel cell stack system and simplify the fuel cell stack system.
As shown in fig. 1 and 2, the fuel cell stack manifold assembly provided by the present embodiment includes a manifold main body 1, a dual-stage steam-water separator 2, a water collecting mechanism 4, a water discharge pipe 5, and a heating mechanism 6. The first end and the second end of manifold main part 1 all are provided with the medium interface with the pile intercommunication to for the pile provides the required medium of burning and discharge the medium that forms after the pile burning, doublestage catch water 2, water collection mechanism 4, drain pipe 5 and heating mechanism 6 all set up on manifold main part 1, wherein, doublestage catch water 2 is used for separating the water and the hydrogen in the soda that are discharged by in the pile, water collection mechanism 4 is used for collecting the interior exhaust water of doublestage catch water 2, drain pipe 5 is used for discharging the water in water collection mechanism 4, heating mechanism 6 is used for circulating hot liquid, in order to prevent that part medium interface from freezing.
Specifically, the first end of the manifold main body 1 is provided with an air inlet 14, a cooling liquid inlet 15 and a steam-water outlet 16 which are communicated with the galvanic pile in sequence from top to bottom, the second end of the manifold main body 1 is provided with a hydrogen inlet 17, a cooling liquid outlet 18 and an air outlet 19 in sequence from top to bottom, and the first end and the second end are arranged oppositely.
In order to communicate the medium port with the outside and thus introduce a medium such as air, coolant or hydrogen into the medium port, the fuel cell stack manifold assembly further includes a medium pipe including a first air pipe 71 communicating with the air inlet 14, a second air pipe 72 communicating with the air outlet 19, a first coolant pipe 73 communicating with the coolant inlet 15, a second coolant pipe 74 communicating with the coolant outlet 18, a first hydrogen pipe 75 communicating with the hydrogen inlet 17, and a second hydrogen pipe 76 communicating with the hydrogen outlet.
The double-stage steam-water separator 2 is arranged between the first end and the second end, the double-stage steam-water separator 2 comprises a low-speed steam-water separator 22 and a high-speed steam-water separator 21 which are communicated, the initial end of the high-speed steam-water separator 21 is communicated with the steam-water outlet 16, and separated hydrogen is discharged from the tail end of the low-speed steam-water separator 22. The double-stage steam-water separator 2 can simultaneously meet the separation efficiency of the flow rate of the steam-water under the conditions of high speed and low speed. It can be understood that the low-speed steam-water separator 22 has a better separation effect on low-speed flowing steam-water, the high-speed steam-water separator 21 has a better separation effect on high-speed flowing steam-water, and the high and low in the low-speed steam-water separator 22 and the high-speed steam-water separator 21 are relative, and have no absolute high and low limit.
The water collecting mechanism 4 is arranged on the manifold main body 1, and the water collecting mechanism 4 is arranged below the two-stage steam-water separator 2 and communicated with the two-stage steam-water separator 2, so that water in the two-stage steam-water separator 2 flows into the water collecting mechanism 4 under the action of gravity. The drain pipe 5 is provided on the lower side of the manifold body 1 and is communicated with the water collecting mechanism 4 through an electromagnetic valve, and when a preset time is passed or the amount of water in the water collecting mechanism 4 reaches a certain value, the electromagnetic valve is opened to discharge the water in the water collecting mechanism 4 through the drain pipe 5.
The heating mechanism 6 is provided at one side of the water collecting mechanism 4, and serves to heat the solenoid valve and the coolant outlet 18. Specifically, the heating mechanism 6 includes a heat medium flow passage 61, a heat medium inlet 62, and a heat medium outlet 63 provided in the manifold body 1 and communicating with each other in this order, and hot water or another type of heat medium is passed through the heat medium inlet 62, and the heat medium is discharged from the heat medium outlet 63 after passing through the heat medium flow passage 61. The heat medium inlet 62 is located on the lower side of the heat medium outlet 63 so that the heat medium can fill the entire heat medium flow path 61 and be retained in the heat medium flow path 61 for a certain period of time. The heat medium flow passage 61 is disposed adjacent to the solenoid valve and the coolant outlet 18, so that heat of the heat medium is transferred to the solenoid valve and the coolant outlet 18, thereby effectively preventing the solenoid valve and the coolant outlet 18 from being frozen in winter, and greatly improving the cold start performance of the fuel automobile. In order to supply and discharge the heating medium to and from the heating means 6, the medium pipe further includes a first heat medium pipe 77 communicating with the heat medium inlet 62, and a second heat medium pipe 78 communicating with the heat medium outlet 63.
The fuel cell stack manifold assembly provided by the embodiment is integrated with the medium interface, the two-stage steam-water separator 2, the water collecting mechanism 4 and the heating mechanism 6, so that the integration level of the fuel cell stack manifold assembly is improved, the fuel cell stack manifold assembly has the function of separating hydrogen and water in steam, and the cold start performance of the fuel cell stack manifold assembly is improved.
As shown in fig. 3, the high-speed steam-water separator 21 includes a first steam-water chamber 221 and a first baffle 222, the first steam-water chamber 221 is opened in the manifold body 1, an upper wall and a lower wall of the first steam-water chamber 221 are both connected with the first baffle 222, and the first baffle 222 and an inner wall of the first steam-water chamber 221 form a serpentine channel. The steam and water flow into the high-speed steam-water separator 21 through the serpentine flow passage, and in the flowing process of the steam and water, after colliding with the inner walls of the first baffle 222 and the first steam-water chamber 221, the water flows to the bottom of the first steam-water chamber 221 along the inner walls of the first baffle 222 and the first steam-water chamber 221, and finally flows into the water collecting mechanism 4 from the bottom of the first steam-water chamber 221.
The low-speed steam-water separator 22 comprises a second steam-water cavity 211 and a plurality of second baffles 212, the second steam-water cavity 211 is arranged on the manifold body 1 and is of a cylindrical structure, the plurality of second baffles 212 are uniformly arranged along the circumferential direction of the second steam-water cavity 211 and radially form an included angle with the second steam-water cavity 211, and one end, far away from the inner wall of the second steam-water cavity 211, of the plurality of second baffles 212 surrounds the tail end of the low-speed steam-water separator 22. The steam and water rotate in the low-speed steam-water separator 22, collide with the cavity wall of the second steam-water cavity 211 and the second baffle 212 under the action of centrifugal force, then flow to the cavity bottom of the second steam-water cavity 211 along the cavity wall of the second steam-water cavity 211 and the second baffle 212, and finally flow into the water collecting mechanism 4 from the cavity bottom of the second steam-water cavity 211.
In order to realize the communication between the steam-water outlet 16 and the high-speed steam-water separator 21, the two-stage steam-water separator 2 further comprises a first connecting channel 23, and the first connecting channel 23 is arranged on the manifold main body 1 and used for communicating the steam-water outlet 16 with the first steam-water cavity 221 of the high-speed steam-water separator 21. In order to realize the communication between the high-speed steam-water separator 21 and the low-speed steam-water separator 22, the double-stage steam-water separator 2 further comprises a second connecting channel 24, and the second connecting channel 24 is arranged on the manifold main body 1 and used for communicating the second steam-water cavity 211 of the low-speed steam-water separator 22 with the first steam-water cavity 221 of the high-speed steam-water separator 21.
The water collecting mechanism 4 comprises a water collecting flow channel 41 and a water collecting cavity 42, the water collecting flow channel 41 extends along the direction of the first end and the second end, and the two ends of the water collecting flow channel 41 are communicated with the water collecting cavity 42, so that the problem that water cannot be drained due to the inclination of the galvanic pile is avoided.
As shown in fig. 2 and 3, solenoid valves are connected to both of the water collecting chambers 42. The separated water can be temporarily stored in the water collecting cavity 42, and after the preset time or when the water quantity in the water collecting cavity 42 reaches a certain value, the electromagnetic valve is opened, so that the water in the water collecting mechanism 4 is discharged through the water discharging pipe 5.
Preferably, a pin type liquid level sensor 91 is respectively arranged in the two water collecting cavities 42, and when the pin type liquid level sensor 91 detects that the water in the water collecting cavity 42 reaches a certain amount, the electromagnetic valve is opened, so that the water in the water collecting mechanism 4 is discharged through the water discharging pipe 5.
Since a certain amount of hydrogen gas is mixed in the water collecting mechanism 4, it is preferable that the solenoid valves include a drain solenoid valve 81 and a hydrogen discharge solenoid valve 82, one drain solenoid valve 81 is provided in each of the two water collecting chambers 42, the hydrogen discharge solenoid valve 82 is provided in one of the water collecting chambers 42, and both the drain solenoid valve and the hydrogen discharge solenoid valve 82 communicate with the drain pipe 5. The drain solenoid valve 81 and the hydrogen discharge solenoid valve 82 are preferably butterfly-shaped solenoid valves having small power and volume.
Preferably, the air outlet 19, the hydrogen inlet 17 and the coolant inlet 15 are provided with a first temperature and pressure sensor 92, a pressure sensor 93 and a second temperature sensor 94, respectively, to enable monitoring of the real-time state of the medium.
As shown in fig. 1 and 2, in order to facilitate opening of each cavity and each flow channel, the manifold main body 1 includes a base 11 and a cover plate 12 covering the base 11, and the base 11 and the cover plate 12 are covered to form the two-stage steam-water separator 2, the water collecting mechanism 4 and the heating mechanism 6. The air inlet 14, the cooling liquid inlet 15, the hydrogen inlet 17, the cooling liquid outlet 18 and the air outlet 19 are arranged through the base 11 and the cover plate 12, and the steam-water outlet 16 is arranged through the base 11. The manifold body 1 is made of materials such as aluminum alloy and the like, the surface of the materials is subjected to anodic oxidation treatment, and the manifold has the advantages of corrosion resistance and light weight.
The tightness between the base 11 and the cover plate 12 is ensured, the base 11 and the cover plate 12 are connected through a plurality of fastening bolts 3, and the plurality of fastening bolts 3 are connected and arranged at intervals along the outer sides of the medium interface, the two-stage steam-water separator 2 and the heating mechanism 6.
In order to further avoid overflow of each medium, a sealing ring (not shown in the figure) is arranged between the base 11 and the cover plate 12, and the sealing rings are arranged on the medium interface, the outer sides of the double-stage steam-water separator 2 and the outer sides of the heating mechanisms 6. The sealing ring can be made of EPDM or resin adhesive material.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A fuel cell stack manifold assembly, comprising:
the fuel cell system comprises a manifold main body (1), wherein a first end and a second end of the manifold main body (1) are respectively provided with a plurality of medium interfaces communicated with a galvanic pile, the first end and the second end are oppositely arranged, and the medium interfaces comprise a steam outlet (16) and a cooling liquid outlet (18);
the double-stage steam-water separator (2) is used for separating water and hydrogen in steam-water discharged from the electric pile and arranged between the first end and the second end, the double-stage steam-water separator (2) comprises a low-speed steam-water separator (22) and a high-speed steam-water separator (21) which are communicated with each other, the initial end of the high-speed steam-water separator (21) is communicated with the steam-water outlet (16), and the separated hydrogen is discharged from the tail end of the low-speed steam-water separator (22);
the water collecting mechanism (4) is arranged on the manifold main body (1) and is used for collecting water discharged from the two-stage steam-water separator (2), and the water collecting mechanism (4) is arranged below the two-stage steam-water separator (2) and is communicated with the two-stage steam-water separator (2);
the drain pipe (5) is arranged at the lower side of the manifold main body (1) and is communicated with the water collecting mechanism (4) through an electromagnetic valve;
and the heating mechanism (6) is arranged on one side of the water collecting mechanism (4) and is used for heating the electromagnetic valve and the cooling liquid outlet (18).
2. The fuel cell stack manifold assembly according to claim 1, wherein the water collecting mechanism (4) comprises:
a water collecting flow passage (41) extending in a direction in which the first end and the second end are disposed;
the electromagnetic valve is characterized by comprising a water collecting cavity (42), wherein the two ends of the water collecting flow channel (41) are communicated with the water collecting cavity (42), and the two ends of the water collecting flow channel are connected with the electromagnetic valve in the water collecting cavity (42).
3. The fuel cell stack manifold assembly according to claim 1, wherein the high-speed steam-water separator (21) comprises:
a first steam-water chamber (221) opened in the manifold body (1);
the upper wall and the lower wall of the first steam-water cavity (221) are both connected with the first baffles (222), and the first baffles (222) and the inner wall of the first steam-water cavity (221) enclose a snake-shaped flow channel.
4. The fuel cell stack manifold assembly according to claim 1, wherein the low-speed steam-water separator (22) comprises:
the second steam-water cavity (211) is arranged on the manifold main body (1) and is of a cylindrical structure;
and the plurality of second baffles (212) are uniformly arranged along the circumferential direction of the second steam-water cavity (211) and form included angles with the radial direction of the second steam-water cavity (211), and one ends of the second baffles (212) far away from the inner wall of the second steam-water cavity (211) enclose the tail end of the low-speed steam-water separator (22).
5. The fuel cell stack manifold assembly according to claim 1, wherein the dual stage steam-water separator (2) further comprises:
the first connecting channel (23) is arranged on the manifold main body (1) and is used for communicating the steam-water outlet (16) with the high-speed steam-water separator (21);
and the second connecting channel (24) is arranged on the manifold main body (1) and is used for communicating the high-speed steam-water separator (21) with the low-speed steam-water separator (22).
6. The fuel cell stack manifold assembly according to claim 1, wherein the medium interface comprises a cooling fluid inlet (15) provided at the first end of the manifold body (1), a hydrogen inlet (17) and an air outlet (19) provided at the second end of the manifold body (1), and the air outlet (19), the hydrogen inlet (17) and the cooling fluid inlet (15) are provided with a first temperature and pressure sensor (92), a pressure sensor (93) and a second temperature sensor (94), respectively.
7. The fuel cell stack manifold assembly according to claim 1, wherein the heating mechanism (6) includes a heat medium flow passage (61), a heat medium inlet (62), and a heat medium outlet (63) provided to the manifold main body (1) and communicating in this order, the heat medium inlet (62) is located at a lower side of the heat medium outlet (63), and the heat medium flow passage (61) is provided adjacent to the solenoid valve and the coolant outlet (18).
8. The fuel cell stack manifold assembly according to claim 1, wherein the manifold main body (1) comprises a base (11) and a cover plate (12) covering the base (11), and the base (11) and the cover plate (12) are covered to form the dual-stage steam-water separator (2), the water collecting mechanism (4) and the heating mechanism (6).
9. The fuel cell stack manifold assembly according to claim 8, wherein the base (11) and the cover plate (12) are connected by a plurality of fastening bolts (3), and the plurality of fastening bolts (3) are provided at intervals along the outside of the plurality of media interfaces, the dual stage steam-water separator (2), and the heating mechanism (6).
10. The fuel cell stack manifold assembly according to claim 8, wherein a sealing ring is arranged between the base (11) and the cover plate (12), and the sealing ring is arranged outside the plurality of media interfaces, the dual-stage steam-water separator (2) and the heating mechanism (6).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989578.XA CN112103547B (en) | 2020-09-18 | 2020-09-18 | Fuel cell stack manifold assembly |
| PCT/CN2021/117896 WO2022057748A1 (en) | 2020-09-18 | 2021-09-13 | Fuel cell stack manifold assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989578.XA CN112103547B (en) | 2020-09-18 | 2020-09-18 | Fuel cell stack manifold assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112103547A true CN112103547A (en) | 2020-12-18 |
| CN112103547B CN112103547B (en) | 2022-02-18 |
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| CN202010989578.XA Active CN112103547B (en) | 2020-09-18 | 2020-09-18 | Fuel cell stack manifold assembly |
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| WO (1) | WO2022057748A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659171A (en) * | 2021-08-18 | 2021-11-16 | 中山大洋电机股份有限公司 | Fuel cell hydrogen supply and return system and fuel cell |
| WO2022057748A1 (en) * | 2020-09-18 | 2022-03-24 | 中国第一汽车股份有限公司 | Fuel cell stack manifold assembly |
| CN114335656A (en) * | 2021-12-07 | 2022-04-12 | 佛山仙湖实验室 | Integrated side cover plate seat of integrated galvanic pile and galvanic pile group structure |
| CN114464837A (en) * | 2021-10-08 | 2022-05-10 | 东风汽车集团股份有限公司 | Fuel cell system and assembly process |
| CN114497671A (en) * | 2022-01-11 | 2022-05-13 | 佛山仙湖实验室 | Manifold structure of fuel cell stack |
| CN114566674A (en) * | 2022-02-09 | 2022-05-31 | 上海神力科技有限公司 | Electric pile hydrogen inlet heating structure |
| CN114709450A (en) * | 2021-04-27 | 2022-07-05 | 长城汽车股份有限公司 | Air system of fuel cell and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022057748A1 (en) * | 2020-09-18 | 2022-03-24 | 中国第一汽车股份有限公司 | Fuel cell stack manifold assembly |
| CN114709450A (en) * | 2021-04-27 | 2022-07-05 | 长城汽车股份有限公司 | Air system of fuel cell and vehicle |
| CN114709450B (en) * | 2021-04-27 | 2024-06-04 | 长城汽车股份有限公司 | Air system of fuel cell and vehicle |
| CN113659171A (en) * | 2021-08-18 | 2021-11-16 | 中山大洋电机股份有限公司 | Fuel cell hydrogen supply and return system and fuel cell |
| CN114464837A (en) * | 2021-10-08 | 2022-05-10 | 东风汽车集团股份有限公司 | Fuel cell system and assembly process |
| CN114464837B (en) * | 2021-10-08 | 2024-01-16 | 东风汽车集团股份有限公司 | Fuel cell system and assembly process |
| CN114335656A (en) * | 2021-12-07 | 2022-04-12 | 佛山仙湖实验室 | Integrated side cover plate seat of integrated galvanic pile and galvanic pile group structure |
| CN114335656B (en) * | 2021-12-07 | 2023-10-20 | 佛山仙湖实验室 | Integrated pile's integral type side cover plate seat and pile group structure |
| CN114497671A (en) * | 2022-01-11 | 2022-05-13 | 佛山仙湖实验室 | Manifold structure of fuel cell stack |
| CN114497671B (en) * | 2022-01-11 | 2023-10-31 | 佛山仙湖实验室 | Fuel cell stack manifold structure |
| CN114566674A (en) * | 2022-02-09 | 2022-05-31 | 上海神力科技有限公司 | Electric pile hydrogen inlet heating structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022057748A1 (en) | 2022-03-24 |
| CN112103547B (en) | 2022-02-18 |
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