Distribution manifold device

Abstract

The utility model discloses a distribution manifold device. Comprising a cooling outlet plate, a cooling inlet plate, a middle sandwich plate, an air runner plate, a hydrogen runner plate, an end plate, a cooling outlet sealing ring, a cooling inlet sealing ring, an air runner sealing ring, a hydrogen runner sealing ring, a cooling total liquid outlet channel, a cooling total liquid inlet channel, an air total outlet channel, an air total inlet channel, a hydrogen total outlet channel and a hydrogen total inlet channel. The device comprises a cooler liquid outlet channel, a cooler liquid inlet channel, an air outlet channel, an air inlet channel, a hydrogen outlet channel and a hydrogen inlet channel. According to the distribution manifold device disclosed by the utility model, a plurality of galvanic piles can be connected, so that the plurality of galvanic piles can be tested at the same time, the test cost of the galvanic piles can be reduced, and the test efficiency of the galvanic piles can also be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel cells, in particular to a distribution manifold device. Background Art

[0002] With the rapid development of industry, the demand for energy is increasing, so new energy sources need to be developed to meet industrial needs and energy utilization; hydrogen energy, as an energy source in the new energy field, has developed rapidly in the past decade due to its high energy utilization rate, clean and pollution-free, and wide sources.

[0003] At present, the main test method used in the publication number CN116960428A is to test one fuel cell stack with one manifold. The manifold device can only be connected to the hydrogen inlet and outlet, oxygen inlet and outlet, and cooling inlet and outlet of one fuel cell stack, and cannot realize a one-to-many test method, which greatly increases the test cost and restricts the test efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a distribution manifold device to reduce the test cost and improve the test efficiency.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A distribution manifold device, comprising a cooling outlet plate, a cooling inlet plate, an intermediate sandwich plate, an air flow channel plate, a hydrogen flow channel plate, an end plate, a cooling outlet sealing ring, a cooling inlet sealing ring, an air flow channel sealing ring, a hydrogen flow channel sealing ring, a cooling total liquid outlet channel, a cooling total liquid inlet channel, an air total gas outlet channel, an air total gas inlet channel, a hydrogen total gas outlet channel, a hydrogen total gas inlet channel, a cooling sub-liquid outlet channel, a cooling sub-liquid inlet channel, an air sub-gas outlet channel, an air sub-gas inlet channel, a hydrogen sub-gas outlet channel, and a hydrogen sub-gas inlet channel;

[0007] The cooling outlet plate, cooling inlet plate, intermediate sandwich plate, air flow channel plate, hydrogen flow channel plate and end plate are stacked together in sequence, the cooling outlet plate is penetrated by the cooling total liquid outlet channel, the cooling outlet plate and cooling inlet plate are penetrated by the cooling total liquid inlet channel, the cooling outlet plate, cooling inlet plate and intermediate sandwich plate are penetrated by the air total gas outlet channel and the air total gas inlet channel, the cooling outlet plate, cooling inlet plate, intermediate sandwich plate and air flow channel plate are penetrated by the hydrogen total gas outlet channel and the hydrogen total gas inlet channel;

[0008] The cooling inlet plate, the middle sandwich plate, the air flow channel plate, the hydrogen flow channel plate and the end plate are all penetrated by a plurality of the cooling sub-liquid outlet channels, the middle sandwich plate, the air flow channel plate, the hydrogen flow channel plate and the end plate are all penetrated by a plurality of the cooling sub-liquid inlet channels, the air flow channel plate, the hydrogen flow channel plate and the end plate are all penetrated by a plurality of the air sub-outlet channels and a plurality of the air sub-inlet channels, the hydrogen flow channel plate and the end plate are all penetrated by a plurality of the hydrogen sub-outlet channels and a plurality of the hydrogen sub-inlet channels;

[0009] The cooling outlet sealing ring is arranged between the cooling outlet plate and the cooling inlet plate, and the cooling outlet sealing ring surrounds the cooling total liquid outlet channel and the cooling sub-liquid outlet channel therein; the cooling inlet sealing ring is arranged between the cooling inlet plate and the intermediate sandwich plate, and the cooling inlet sealing ring surrounds the cooling total liquid inlet channel and the cooling sub-liquid inlet channel therein; two air flow channel sealing rings are provided, and the two air flow channel sealing rings are arranged between the intermediate sandwich plate and the air flow channel plate, and one of the air flow channel sealing rings is provided between the intermediate sandwich plate and the air flow channel plate, and the other is provided between the intermediate sandwich plate and the air flow channel plate, and the other is provided between the intermediate sandwich plate and the air flow channel plate, and the other is provided between the intermediate sandwich plate and the intermediate sandwich ... The air channel sealing ring encloses the total air outlet channel and the air sub-outlet channel therein, and the other air channel sealing ring encloses the total air inlet channel and the air sub-inlet channel therein; there are two hydrogen flow channel sealing rings, and the two hydrogen flow channel sealing rings are arranged between the air flow channel plate and the hydrogen flow channel plate, one of the hydrogen flow channel sealing rings encloses the total hydrogen outlet channel and the hydrogen sub-outlet channel therein, and the other hydrogen flow channel sealing ring encloses the total hydrogen inlet channel and the hydrogen sub-inlet channel therein.

[0010] Preferably, it also includes a manifold fixing plate, which is fixed to a side of the cooling outlet plate away from the cooling inlet plate, and the cooling total liquid outlet channel, cooling total liquid inlet channel, air total gas outlet channel, air total gas inlet channel, hydrogen total gas outlet channel, and hydrogen total gas inlet channel are opened on the manifold fixing plate, and the cooling total liquid outlet channel, cooling total liquid inlet channel, air total gas outlet channel, air total gas inlet channel, hydrogen total gas outlet channel, and hydrogen total gas inlet channel of the manifold fixing plate away from the cooling outlet plate are all connected with an interface pipe at one end.

[0011] Preferably, a manifold sealing ring is provided between the manifold fixing plate and the cooling outlet plate, and the cooling total liquid outlet channel, cooling total liquid inlet channel, air total gas outlet channel, air total gas inlet channel, hydrogen total gas outlet channel and hydrogen total gas inlet channel of the manifold fixing plate and the cooling total liquid outlet channel, cooling total liquid inlet channel, air total gas outlet channel, air total gas inlet channel, hydrogen total gas outlet channel and hydrogen total gas inlet channel of the cooling outlet plate are sealed and connected one by one through the manifold sealing ring.

[0012] Preferably, the manifold fixing plate, the cooling outlet plate, the cooling inlet plate, the intermediate sandwich plate, the air flow channel plate, the hydrogen flow channel plate and the end plate are fixed together by bolts.

[0013] Preferably, a first groove matching the shape of the cooling outlet sealing ring is formed on a side of the cooling outlet plate facing the cooling inlet plate, and the cooling outlet sealing ring is embedded in the first groove;

[0014] A first convex strip matched with the shape of the cooling outlet sealing ring is provided on one side of the cooling inlet plate facing the cooling outlet plate, and the first convex strip presses the cooling outlet sealing ring.

[0015] Preferably, a second groove matching the shape of the cooling inlet sealing ring is formed on a side of the cooling inlet plate facing the middle sandwich plate, and the cooling inlet sealing ring is embedded in the second groove;

[0016] A second convex strip matching the shape of the cooling inlet sealing ring is provided on a side of the intermediate sandwich plate facing the cooling inlet plate, and the second convex strip presses the cooling inlet sealing ring.

[0017] Preferably, a third groove matching the shape of the air flow channel sealing ring is formed on a side of the air flow channel plate facing the middle sandwich plate, and the air flow channel sealing ring is embedded in the third groove;

[0018] A third convex strip matching the shape of the air channel sealing ring is provided on one side of the middle sandwich plate facing the air channel plate, and the third convex strip presses the air channel sealing ring.

[0019] Preferably, a fourth groove matching the shape of the hydrogen flow channel sealing ring is formed on a side of the hydrogen flow channel plate facing the air flow channel plate, and the hydrogen flow channel sealing ring is embedded in the fourth groove;

[0020] A fourth convex strip matching the shape of the hydrogen flow channel sealing ring is provided on one side of the air flow channel plate facing the hydrogen flow channel plate, and the fourth convex strip presses the hydrogen flow channel sealing ring.

[0021] Compared with the prior art, the distribution manifold device of the utility model has the following beneficial effects:

[0022] In the utility model, by arranging a total cooling liquid outlet channel, a total cooling liquid inlet channel, a total air outlet channel, a total air inlet channel, a total hydrogen outlet channel, a total hydrogen inlet channel, a cooling sub-liquid outlet channel, a cooling sub-liquid inlet channel, an air sub-outlet channel, an air sub-inlet channel, a hydrogen sub-outlet channel, and a hydrogen sub-inlet channel on the distribution manifold device, the total cooling liquid outlet channel is connected with multiple cooling sub-liquid outlet channels, the total cooling liquid inlet channel is connected with multiple cooling sub-liquid inlet channels, the total air outlet channel is connected with multiple air sub-outlet channels, the total air inlet channel is connected with multiple air sub-inlet channels, the total hydrogen outlet channel is connected with multiple hydrogen sub-outlet channels, and the total hydrogen inlet channel is connected with multiple hydrogen sub-inlet channels, so that the distribution manifold device can realize the connection of multiple battery stacks to test multiple battery stacks at the same time, which is beneficial to reduce the testing cost of the battery stack and improve the efficiency of the battery stack testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an exploded view of the overall structure of an embodiment of the utility model;

[0024] Figure 2 It is a three-dimensional diagram of a main pipe fixing plate of an embodiment of the utility model;

[0025] Figure 3 It is a three-dimensional diagram of a cooling inlet plate of an embodiment of the utility model;

[0026] Figure 4 It is a three-dimensional diagram of the middle sandwich panel of the embodiment of the utility model;

[0027] Figure 5 It is a three-dimensional diagram of the air flow channel plate of the embodiment of the utility model;

[0028] Figure 6 It is a three-dimensional diagram of a hydrogen flow channel plate according to an embodiment of the utility model;

[0029] Figure 7 It is a three-dimensional diagram of the end plate of the embodiment of the utility model.

[0030] In the figure, 1, cooling outlet plate; 2, cooling inlet plate; 3, middle sandwich plate; 4, air flow channel plate; 5, hydrogen flow channel plate; 6, end plate; 7, cooling outlet sealing ring; 8, cooling inlet sealing ring; 9, air flow channel sealing ring; 10, hydrogen flow channel sealing ring; 11, cooling total liquid outlet channel; 12, cooling total liquid inlet channel; 13, air total gas outlet channel; 14, air total gas inlet channel; 15, hydrogen total gas outlet channel; 16, hydrogen total gas inlet channel; 17, cooling sub-liquid outlet channel; 18, cooling sub-liquid inlet channel; 19, air sub-gas outlet channel; 20, air sub-gas inlet channel; 21, hydrogen sub-gas outlet channel; 22, hydrogen sub-gas inlet channel; 23, main pipe fixing plate; 24, interface pipe; 25, main pipe sealing ring; 26, first convex strip; 27, second convex strip; 28, third groove; 29, fourth groove. DETAILED DESCRIPTION

[0031] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0032] In the description of the present utility model, it should be understood that the wording "comprising" used in the present utility model specification refers to the presence of the features, integers, steps, operations, parts / components and / or assemblies, but does not exclude the presence or addition of one or more other features, integers, steps, operations, parts / components, assemblies and / or their groups. It should be understood that when we say that a part / component is "connected" to another part / component, it can be directly connected to the other part / component, or there can be intermediate parts / components. The wording "and / or" used here includes all or any unit and all combinations of one or more associated listed items.

[0033] like Figures 1 to 7 As shown, the utility model relates to a distribution manifold device, including a cooling outlet plate 1, a cooling inlet plate 2, an intermediate sandwich plate 3, an air flow channel plate 4, a hydrogen flow channel plate 5, an end plate 6, a cooling outlet sealing ring 7, a cooling inlet sealing ring 8, an air flow channel sealing ring 9, a hydrogen flow channel sealing ring 10, a cooling total liquid outlet channel 11, a cooling total liquid inlet channel 12, an air total gas outlet channel 13, an air total gas inlet channel 14, a hydrogen total gas outlet channel 15, a hydrogen total gas inlet channel 16, a cooling sub-liquid outlet channel 17, a cooling sub-liquid inlet channel 18, an air sub-gas outlet channel 19, an air sub-gas inlet channel 20, a hydrogen sub-gas outlet channel 21, and a hydrogen sub-gas inlet channel 22.

[0034] The cooling outlet plate 1, the cooling inlet plate 2, the intermediate sandwich plate 3, the air flow channel plate 4, the hydrogen flow channel plate 5 and the end plate 6 are stacked together in sequence, the cooling outlet plate 1 is penetrated by the cooling total liquid outlet channel 11, the cooling outlet plate 1 and the cooling inlet plate 2 are penetrated by the cooling total liquid inlet channel 12, the cooling outlet plate 1, the cooling inlet plate 2 and the intermediate sandwich plate 3 are penetrated by the air total outlet channel 13 and the air total inlet channel 14, the cooling outlet plate 1, the cooling inlet plate 2, the intermediate sandwich plate 3 and the air flow channel plate 4 are penetrated by the hydrogen total outlet channel 15 and the hydrogen total inlet channel 16.

[0035] The cooling inlet plate 2, the intermediate sandwich plate 3, the air flow channel plate 4, the hydrogen flow channel plate 5 and the end plate 6 are all penetrated by a plurality of the cooling sub-liquid outlet channels 17, the intermediate sandwich plate 3, the air flow channel plate 4, the hydrogen flow channel plate 5 and the end plate 6 are all penetrated by a plurality of the cooling sub-liquid inlet channels 18, the air flow channel plate 4, the hydrogen flow channel plate 5 and the end plate 6 are all penetrated by a plurality of the air sub-outlet channels 19 and a plurality of the air sub-inlet channels 20, the hydrogen flow channel plate 5 and the end plate 6 are all penetrated by a plurality of the hydrogen sub-outlet channels 21 and a plurality of the hydrogen sub-inlet channels 22.

[0036] The cooling outlet sealing ring 7 is arranged between the cooling outlet plate 1 and the cooling inlet plate 2, and the cooling outlet sealing ring 7 surrounds the cooling total liquid outlet channel 11 and the cooling sub-liquid outlet channel 17 therein, the cooling inlet sealing ring 8 is arranged between the cooling inlet plate 2 and the intermediate sandwich plate 3, and the cooling inlet sealing ring 8 surrounds the cooling total liquid inlet channel 12 and the cooling sub-liquid inlet channel 18 therein; the air flow channel sealing ring 9 is provided with two, the two air flow channel sealing rings 9 are arranged between the intermediate sandwich plate 3 and the air flow channel plate 4, and one of the air flow channel sealing rings 9 encloses the total air outlet channel 13 and the sub-air outlet channel 19 therein, and the other air channel sealing ring 9 encloses the total air inlet channel 14 and the sub-air inlet channel 20 therein; there are two hydrogen flow channel sealing rings 10, and the two hydrogen flow channel sealing rings 10 are arranged between the air flow channel plate 4 and the hydrogen flow channel plate 5, one of the hydrogen flow channel sealing rings 10 encloses the total hydrogen outlet channel 15 and the sub-hydrogen outlet channel 21 therein, and the other hydrogen flow channel sealing ring 10 encloses the total hydrogen inlet channel 16 and the sub-hydrogen inlet channel 22 therein.

[0037] The end plate 6 is used to be fixed on a plurality of battery stacks.

[0038] In the utility model, by arranging a cooling total liquid outlet channel 11, a cooling total liquid inlet channel 12, an air total gas outlet channel 13, an air total gas inlet channel 14, a hydrogen total gas outlet channel 15, a hydrogen total gas inlet channel 16, a cooling sub-liquid outlet channel 17, a cooling sub-liquid inlet channel 18, an air sub-gas outlet channel 19, an air sub-gas inlet channel 20, a hydrogen sub-gas outlet channel 21, and a hydrogen sub-gas inlet channel 22 on the distribution manifold device, the cooling total liquid outlet channel 11 is connected to a plurality of cooling sub-liquid outlet channels 17, and the cooling total liquid inlet channel 1 2 is communicated with a plurality of cooling sub-liquid inlet channels 18, the total air outlet channel 13 is communicated with a plurality of air sub-outlet channels 19, the total air inlet channel 14 is communicated with a plurality of air sub-inlet channels 20, the total hydrogen outlet channel 15 is communicated with a plurality of hydrogen sub-outlet channels 21, and the total hydrogen inlet channel 16 is communicated with a plurality of hydrogen sub-inlet channels 22, so that the distribution manifold device can realize the connection of a plurality of battery stacks to test a plurality of battery stacks at the same time, which is beneficial to reducing the test cost of the battery stack and improving the efficiency of the battery stack test.

[0039] In this embodiment, the distribution manifold device also includes a manifold fixing plate 23, which is fixed to a side of the cooling outlet plate 1 away from the cooling inlet plate 2, and the cooling total liquid outlet channel 11, the cooling total liquid inlet channel 12, the air total gas outlet channel 13, the air total gas inlet channel 14, the hydrogen total gas outlet channel 15, and the hydrogen total gas inlet channel 16 are opened on the manifold fixing plate 23. The cooling total liquid outlet channel 11, the cooling total liquid inlet channel 12, the air total gas outlet channel 13, the air total gas inlet channel 14, the hydrogen total gas outlet channel 15, and the hydrogen total gas inlet channel 16 of the manifold fixing plate 23 away from the cooling outlet plate 1 are all connected to an interface pipe 24 at one end.

[0040] By arranging a plurality of interface pipes 24 corresponding to the cooling total liquid outlet channel 11, the cooling total liquid inlet channel 12, the air total gas outlet channel 13, the air total gas inlet channel 14, the hydrogen total gas outlet channel 15 and the hydrogen total gas inlet channel 16 on the main pipe fixing plate 23, it is convenient to connect with the external hydrogen source, oxygen source and coolant source.

[0041] Preferably, a manifold sealing ring 25 is provided between the manifold fixing plate 23 and the cooling outlet plate 1, and the cooling total liquid outlet channel 11, the cooling total liquid inlet channel 12, the air total gas outlet channel 13, the air total gas inlet channel 14, the hydrogen total gas outlet channel 15 and the hydrogen total gas inlet channel 16 of the manifold fixing plate 23 and the cooling total liquid outlet channel 11, the cooling total liquid inlet channel 12, the air total gas outlet channel 13, the air total gas inlet channel 14, the hydrogen total gas outlet channel 15 and the hydrogen total gas inlet channel 16 of the cooling outlet plate 1 are sealed and connected one by one through the manifold sealing ring 25.

[0042] A manifold sealing ring 25 is provided between the manifold fixing plate 23 and the cooling outlet plate 1 , thereby enhancing the sealing between the two to prevent leakage of hydrogen, oxygen and coolant.

[0043] In this embodiment, the main pipe fixing plate 23, the cooling outlet plate 1, the cooling inlet plate 2, the intermediate sandwich plate 3, the air flow channel plate 4, the hydrogen flow channel plate 5 and the end plate 6 are fixed together by bolts to ensure the overall stability of the distribution manifold device.

[0044] In this embodiment, a first groove adapted to the shape of the cooling outlet sealing ring 7 is provided on the side of the cooling outlet plate 1 facing the cooling inlet plate 2, and the cooling outlet sealing ring 7 is embedded in the first groove; a first convex strip 26 adapted to the shape of the cooling outlet sealing ring 7 is provided on the side of the cooling inlet plate 2 facing the cooling outlet plate 1, and the first convex strip 26 presses the cooling outlet sealing ring 7.

[0045] By embedding the cooling outlet sealing ring 7 into the first groove of the cooling outlet plate 1 , the first convex strip 26 of the cooling inlet plate 2 presses the cooling outlet sealing ring 7 , thereby avoiding leakage between the cooling outlet plate 1 and the cooling inlet plate 2 .

[0046] In this embodiment, a second groove adapted to the shape of the cooling inlet sealing ring 8 is opened on the side of the cooling inlet plate 2 facing the intermediate sandwich plate 3, and the cooling inlet sealing ring 8 is embedded in the second groove; a second convex strip 27 adapted to the shape of the cooling inlet sealing ring 8 is opened on the side of the intermediate sandwich plate 3 facing the cooling inlet plate 2, and the second convex strip 27 presses the cooling inlet sealing ring 8.

[0047] By embedding the cooling inlet sealing ring 8 into the second groove of the cooling inlet plate 2 , the second convex strip 27 of the intermediate sandwich plate 3 presses the cooling inlet sealing ring 8 , thereby avoiding leakage between the cooling inlet plate 2 and the intermediate sandwich plate 3 .

[0048] In this embodiment, a third groove 28 adapted to the shape of the air flow channel sealing ring 9 is formed on the side of the air flow channel plate 4 facing the intermediate sandwich plate 3, and the air flow channel sealing ring 9 is embedded in the third groove 28; a third convex strip adapted to the shape of the air flow channel sealing ring 9 is formed on the side of the intermediate sandwich plate 3 facing the air flow channel plate 4, and the third convex strip presses the air flow channel sealing ring 9.

[0049] By embedding the air channel sealing ring 9 into the third groove 28 of the air channel plate 4 , the third convex strip of the middle sandwich plate 3 presses the air channel sealing ring 9 , thereby avoiding leakage between the air channel plate 4 and the middle sandwich plate 3 .

[0050] In this embodiment, a fourth groove 29 adapted to the shape of the hydrogen flow channel sealing ring 10 is formed on the side of the hydrogen flow channel plate 5 facing the air flow channel plate 4, and the hydrogen flow channel sealing ring 10 is embedded in the fourth groove 29; a fourth convex strip adapted to the shape of the hydrogen flow channel sealing ring 10 is formed on the side of the air flow channel plate 4 facing the hydrogen flow channel plate 5, and the fourth convex strip presses the hydrogen flow channel sealing ring 10.

[0051] By embedding the hydrogen flow channel sealing ring 10 into the fourth groove 29 of the hydrogen flow channel plate 5 , the fourth convex strip of the air flow channel plate 4 presses the hydrogen flow channel sealing ring 10 , thereby avoiding leakage between the hydrogen flow channel plate 5 and the air flow channel plate 4 .

[0052] In summary, the embodiments of the utility model provide a distribution manifold device, which can realize synchronous testing of multiple fuel cell stacks, thereby reducing the fuel cell stack testing cost and improving the fuel cell stack testing efficiency. Moreover, since the cooling outlet sealing ring, the cooling inlet sealing ring, the air flow channel sealing ring and the hydrogen flow channel sealing ring are fixed by means of convex strips and grooves, the sealing ring can be prevented from being damaged, which is beneficial to increasing the service life of the distribution manifold device.

[0053] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A distribution manifold device, characterized in that: It includes a cooling outlet plate, a cooling inlet plate, an intermediate sandwich plate, an air flow channel plate, a hydrogen flow channel plate, an end plate, a cooling outlet sealing ring, a cooling inlet sealing ring, an air flow channel sealing ring, a hydrogen flow channel sealing ring, a cooling total liquid outlet channel, a cooling total liquid inlet channel, an air total gas outlet channel, an air total gas inlet channel, a hydrogen total gas outlet channel, a hydrogen total gas inlet channel, a cooling sub-liquid outlet channel, a cooling sub-liquid inlet channel, an air sub-gas outlet channel, an air sub-gas inlet channel, a hydrogen sub-gas outlet channel, and a hydrogen sub-gas inlet channel; The cooling outlet plate, cooling inlet plate, intermediate sandwich plate, air flow channel plate, hydrogen flow channel plate and end plate are stacked together in sequence, the cooling outlet plate is penetrated by the cooling total liquid outlet channel, the cooling outlet plate and cooling inlet plate are penetrated by the cooling total liquid inlet channel, the cooling outlet plate, cooling inlet plate and intermediate sandwich plate are penetrated by the air total gas outlet channel and the air total gas inlet channel, the cooling outlet plate, cooling inlet plate, intermediate sandwich plate and air flow channel plate are penetrated by the hydrogen total gas outlet channel and the hydrogen total gas inlet channel; The cooling inlet plate, the middle sandwich plate, the air flow channel plate, the hydrogen flow channel plate and the end plate are all penetrated by a plurality of the cooling sub-liquid outlet channels, the middle sandwich plate, the air flow channel plate, the hydrogen flow channel plate and the end plate are all penetrated by a plurality of the cooling sub-liquid inlet channels, the air flow channel plate, the hydrogen flow channel plate and the end plate are all penetrated by a plurality of the air sub-outlet channels and a plurality of the air sub-inlet channels, the hydrogen flow channel plate and the end plate are all penetrated by a plurality of the hydrogen sub-outlet channels and a plurality of the hydrogen sub-inlet channels; The cooling outlet sealing ring is arranged between the cooling outlet plate and the cooling inlet plate, and the cooling outlet sealing ring surrounds the cooling total liquid outlet channel and the cooling sub-liquid outlet channel therein; the cooling inlet sealing ring is arranged between the cooling inlet plate and the intermediate sandwich plate, and the cooling inlet sealing ring surrounds the cooling total liquid inlet channel and the cooling sub-liquid inlet channel therein; two air flow channel sealing rings are provided, and the two air flow channel sealing rings are arranged between the intermediate sandwich plate and the air flow channel plate, and one of the air flow channel sealing rings is provided between the intermediate sandwich plate and the air flow channel plate, and the other is provided between the intermediate sandwich plate and the air flow channel plate, and the other is provided between the intermediate sandwich plate and the air flow channel plate, and the other is provided between the intermediate sandwich plate and the intermediate sandwich ... The air channel sealing ring encloses the total air outlet channel and the air sub-outlet channel therein, and the other air channel sealing ring encloses the total air inlet channel and the air sub-inlet channel therein; there are two hydrogen flow channel sealing rings, and the two hydrogen flow channel sealing rings are arranged between the air flow channel plate and the hydrogen flow channel plate, one of the hydrogen flow channel sealing rings encloses the total hydrogen outlet channel and the hydrogen sub-outlet channel therein, and the other hydrogen flow channel sealing ring encloses the total hydrogen inlet channel and the hydrogen sub-inlet channel therein.

2. The distribution manifold device according to claim 1, characterized in that It also includes a main pipe fixing plate, which is fixed to a side of the cooling outlet plate away from the cooling inlet plate, and is provided with the cooling total liquid outlet channel, the cooling total liquid inlet channel, the air total gas outlet channel, the air total gas inlet channel, the hydrogen total gas outlet channel, and the hydrogen total gas inlet channel. The cooling total liquid outlet channel, the cooling total liquid inlet channel, the air total gas outlet channel, the air total gas inlet channel, the hydrogen total gas outlet channel, and the end of the hydrogen total gas inlet channel of the main pipe fixing plate away from the cooling outlet plate are all connected with an interface pipe.

3. The distribution manifold device according to claim 2, characterized in that A manifold sealing ring is provided between the manifold fixing plate and the cooling outlet plate, and the cooling total liquid outlet channel, cooling total liquid inlet channel, air total gas outlet channel, air total gas inlet channel, hydrogen total gas outlet channel and hydrogen total gas inlet channel of the manifold fixing plate and the cooling total liquid outlet channel, cooling total liquid inlet channel, air total gas outlet channel, air total gas inlet channel, hydrogen total gas outlet channel and hydrogen total gas inlet channel of the cooling outlet plate are sealed and connected one by one through the manifold sealing ring.

4. The distribution manifold device according to claim 2, characterized in that The main pipe fixing plate, the cooling outlet plate, the cooling inlet plate, the intermediate sandwich plate, the air flow channel plate, the hydrogen flow channel plate and the end plate are fixed together by bolts.

5. The distribution manifold device according to claim 1, characterized in that A first groove matching the shape of the cooling outlet sealing ring is formed on one side of the cooling outlet plate facing the cooling inlet plate, and the cooling outlet sealing ring is embedded in the first groove; A first convex strip matched with the shape of the cooling outlet sealing ring is provided on one side of the cooling inlet plate facing the cooling outlet plate, and the first convex strip presses the cooling outlet sealing ring.

6. The distribution manifold device according to claim 1, characterized in that A second groove matching the shape of the cooling inlet sealing ring is formed on one side of the cooling inlet plate facing the middle sandwich plate, and the cooling inlet sealing ring is embedded in the second groove; A second convex strip matching the shape of the cooling inlet sealing ring is provided on a side of the intermediate sandwich plate facing the cooling inlet plate, and the second convex strip presses the cooling inlet sealing ring.

7. The distribution manifold device according to claim 1, characterized in that A third groove matching the shape of the air flow channel sealing ring is formed on one side of the air flow channel plate facing the middle sandwich plate, and the air flow channel sealing ring is embedded in the third groove; A third convex strip matching the shape of the air channel sealing ring is provided on one side of the middle sandwich plate facing the air channel plate, and the third convex strip presses the air channel sealing ring.

8. The distribution manifold device according to claim 1, characterized in that A fourth groove matching the shape of the hydrogen flow channel sealing ring is formed on one side of the hydrogen flow channel plate facing the air flow channel plate, and the hydrogen flow channel sealing ring is embedded in the fourth groove; A fourth convex strip matching the shape of the hydrogen flow channel sealing ring is provided on one side of the air flow channel plate facing the hydrogen flow channel plate, and the fourth convex strip presses the hydrogen flow channel sealing ring.

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