Automobile and fuel cell thereof

Abstract

The utility model relates to the technical field of fuel cells, and discloses an automobile and a fuel cell thereof, the fuel cell comprises a box body, an accommodating cavity is formed in the box body, one side of the box body is provided with an opening, the opening is closed by an end plate, and a distribution manifold is integrated on the end face of one side, back to the accommodating cavity, of the end plate; and the electric pile module is arranged in the containing cavity, and one end of the electric pile module is connected to the end face of the side, facing the containing cavity, of the end plate. A containing cavity is formed in the box body, a galvanic pile module is arranged in the containing cavity, one side of the containing cavity is sealed through an end plate with a distribution manifold, and the end plate is further directly connected with the galvanic pile module, so that fluid transmitted by the distribution manifold can be directly supplied to the galvanic pile module; the distribution manifolds are integrated on the end plates, so that the reliability of the distribution manifold group is improved, the box body can be assembled by directly mounting the end plates on the box body during assembly, the assembly efficiency of the fuel cell is improved, independent parts are reduced, and the overall cost of the product is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fuel cells, in particular to a vehicle and a fuel cell thereof. Background Art

[0002] A hydrogen fuel cell is a chemical device that converts the electrochemical energy of hydrogen and oxygen into electrical energy through the action of a catalyst. It is also called an electrochemical power generation device. The hydrogen, oxygen and water used as raw materials for hydrogen fuel cells are all fluids, and the battery manifold assembly needs to assume the functions of air distribution, steam-water separation, and cooling water in and out of the fuel cell during operation, and it also needs to meet certain sealing requirements. At present, the stack distribution manifold is installed on the outside of the box as an independent structural component. The box can only be assembled after the stack distribution manifold connected to the stack module is installed, which makes the overall assembly efficiency low. In addition, when the stack and the box are installed separately, the reliability of the product will be poor. The number of parts in the separate distribution manifold assembly is large, which will also increase the overall cost. Utility Model Content

[0003] The purpose of the utility model is to provide a vehicle and a fuel cell thereof, which improves the reliability of the distribution manifold group by integrating the distribution manifold on the end plate, so that the assembly of the box body can be completed by directly installing the end plate on the box body during assembly, thereby improving the assembly efficiency of the fuel cell, reducing separate parts, and reducing the overall cost of the product.

[0004] In order to achieve the above object, the utility model provides a fuel cell, comprising:

[0005] A box body, wherein a receiving cavity is formed in the box body, an opening is provided on one side of the box body, the opening is closed by an end plate, and a distribution manifold is integrated on an end surface of the end plate facing away from the receiving cavity;

[0006] A battery stack module is disposed in the accommodating cavity, and one end of the battery stack module is connected to an end surface of the end plate facing the accommodating cavity.

[0007] Compared with the prior art, a fuel cell in an embodiment of the utility model has the following beneficial effects: a housing is provided with a accommodating cavity, a stack module is arranged in the accommodating cavity, one side of the accommodating cavity is closed by an end plate with a distribution manifold, and the end plate is also directly connected to the stack module, so that the fluid transmitted by the distribution manifold can be directly supplied to the stack module; by integrating the distribution manifold on the end plate, the reliability of the distribution manifold group is improved, so that the assembly of the box can be completed by directly installing the end plate on the box during assembly, thereby improving the assembly efficiency of the fuel cell, reducing separate parts, and reducing the overall cost of the product.

[0008] In the fuel cell of the embodiment of the utility model, the distribution manifold is provided with a plurality of pipe openings for distributing fuel or hydrogen on the end surface of the end plate on one side facing away from the accommodating cavity.

[0009] In the fuel cell of the embodiment of the utility model, a first sealing ring is arranged around the opening.

[0010] In the fuel cell of the embodiment of the utility model, a second sealing ring is arranged at one end of the box body facing the end plate, and an end surface of the end plate facing the box body is arranged as a sealing surface cooperating with the second sealing ring.

[0011] In the fuel cell of the embodiment of the utility model, a current collecting plate matching the fuel cell module is provided on one end surface of the end plate facing the fuel cell module.

[0012] In the fuel cell of the embodiment of the utility model, the current collecting plate is fixed to the end plate by bolts penetrating through the end plate.

[0013] In the fuel cell of the embodiment of the utility model, a mounting groove is arranged on the end surface of the end plate facing the stack module, and a pull rod matching with the mounting groove is arranged on the outer side of the stack module.

[0014] In the fuel cell of the embodiment of the utility model, a plurality of first screw holes are evenly formed on the edge of the end plate, and a plurality of second screw holes corresponding to the first screw holes are also formed on the side of the box body facing the end plate.

[0015] In the fuel cell of the embodiment of the utility model, the distribution manifold and the end plate are formed in one piece.

[0016] The utility model also provides a car, comprising the fuel cell described in any one of the above embodiments.

[0017] Compared with the prior art, the beneficial effects of an automobile according to an embodiment of the utility model are as follows: a fuel cell is provided inside the automobile, a housing of the fuel cell inside the automobile has a accommodating cavity, a stack module is arranged in the accommodating cavity, one side of the accommodating cavity is closed by an end plate with a distribution manifold, and the end plate is also directly connected to the stack module so that the fluid transmitted by the distribution manifold can be directly supplied to the stack module; the distribution manifold is integrated on the end plate, so that the reliability of the distribution manifold group is improved, so that the assembly of the box can be completed by directly installing the end plate on the box during assembly, thereby improving the assembly efficiency of the fuel cell, reducing separate parts, and reducing the overall cost of the product.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a fuel cell according to an embodiment of the utility model;

[0020] Figure 2 It is a front structural schematic diagram of an end plate of a fuel cell according to an embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of the back structure of the end plate of the fuel cell of the embodiment of the utility model;

[0022] In the figure, 1. box body; 11. accommodating cavity; 12. opening; 13. second sealing ring; 14. first screw hole; 2. end plate; 21. distribution manifold; 22. first sealing ring; 23. sealing surface; 24. collecting plate; 25. mounting groove; 26. first screw hole; 3. battery stack module; 31. pull rod. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0026] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0027] like Figure 1-Figure 3As shown, a fuel cell of a preferred embodiment of the utility model comprises a box body 1, which serves as an outer shell of the fuel cell and is formed into a rectangular parallelepiped. The box body 1 is closed; a accommodating cavity 11 is formed in the box body 1, and an opening 12 is provided on one side of the box body 1. The opening 12 is closed by an end plate 2, and the end plate 2 is an aluminum long strip plate, which matches the size of the opening 12; a distribution manifold 21 is integrated on the end surface of the end plate 2 that is away from the accommodating cavity 11. By integrating the distribution manifold 21 on the end plate 2, the reliability of the distribution manifold 21 group is improved, so that the assembly of the box body 1 can be completed by directly installing the end plate 2 on the box body 1 during assembly, thereby improving the assembly efficiency of the fuel cell, reducing separate parts, and reducing the overall cost of the product.

[0028] The fuel cell also includes a stack module 3, which is arranged in the accommodating cavity 11. One end of the stack module 3 is connected to the end surface of the end plate 2 facing the accommodating cavity 11, so that the fluid transmitted by the distribution manifold 21 can be directly supplied to the stack module 3. During the operation, it needs to assume the functions of air distribution, steam-water separation, and cooling water entering and exiting the fuel cell.

[0029] In some embodiments of the utility model, the distribution manifold 21 is provided with a plurality of nozzles on the end surface of the end plate 2 facing away from the accommodating cavity 11 for distributing fuel or hydrogen. The plurality of nozzles are connected to a plurality of pipelines for receiving or discharging different fluids. The distribution manifold 21 with a plurality of nozzles is connected to the stack module 3 on the other side of the end plate 2, so that the distribution manifold 21 can distribute a variety of fluids to the stack module 3, so that the functional requirements of the stack module 3 are fully met.

[0030] In some embodiments of the utility model, a first sealing ring 22 is arranged circumferentially of the pipe mouth. The first sealing ring 22 matches the shape of the pipe mouth. The first sealing ring 22 is made of rubber or other materials. By setting the first sealing ring 22, the sealing level when connecting the pipeline near the pipe mouth is guaranteed to prevent fluid leakage, thereby improving the overall safety factor of the system.

[0031] In some embodiments of the utility model, a second sealing ring 13 is provided at one end of the box body 1 facing the end plate 2. The second sealing ring 13 is arranged around the opening 12 and matches the shape of the opening 12. The second sealing ring 13 is also made of rubber or other materials. The end surface of the end plate 2 facing the box body 1 is set to a sealing surface 23 that cooperates with the second sealing ring 13. The sealing surface 23 cooperates with the second sealing ring 13 to improve the sealing level between the end plate 2 and the box body 1, thereby ensuring the safety of the battery stack module 3 in the accommodating cavity 11.

[0032] In some embodiments of the utility model, a current collecting plate 24 matching the battery stack module 3 is provided on one end surface of the end plate 2 facing the battery stack module 3, and the current collecting plate 24 is used to connect the distribution manifold 21 and the battery stack module 3 to provide a fluid exchange space between the two; the current collecting plate 24 is also integrated on the end plate 2, further improving the degree of integration of the device.

[0033] In some embodiments of the utility model, the collecting plate 24 is fixed to the end plate 2 by bolts passing through the end plate 2. The collecting plate 24 fixed by bolts is simple and convenient to fix, has a reliable fixing effect, and is easy to disassemble and assemble, which is beneficial to later maintenance and repair.

[0034] In some embodiments of the utility model, a mounting groove 25 is provided on the end surface of the end plate 2 facing the battery stack module 3, and a pull rod 31 matching the mounting groove 25 is provided on the outer side of the battery stack module 3. The pull rod 31 is fixed to the main body of the battery stack module 3. The mounting groove 25 is arranged around the current collecting plate 24 and does not interfere with the current collecting plate 24 area. The pull rod 31 is directly engaged in the mounting groove 25 to fix the battery stack module 3 directly on the end plate 2. During installation, the end plate 2 and the battery stack module 3 are directly pushed into the box body 1 to complete the installation; when the end plate 2 is pulled out, the battery stack module 3 can be directly driven to leave the box body 1, which is convenient for inspection and replacement of the battery stack module 3.

[0035] In some embodiments of the utility model, a plurality of first screw holes 26 are evenly provided on the edge of the end plate 2, and a plurality of second screw holes 14 corresponding to the first screw holes 26 are also provided on the side of the box body 1 facing the end plate 2. The box body 1 and the end plate 2 can be fixed together by bolts passing through the first screw holes 26 and the second screw holes 14. The plurality of bolts work together to make the fixation between the end plate 2 and the box body 1 more secure.

[0036] In some embodiments of the present invention, the distribution manifold 21 and the end plate 2 are integrally formed. The integrally formed distribution manifold 21 and the end plate 2 are more stable in shape, require fewer parts, and reduce the cost of the product.

[0037] A car in a preferred embodiment of the utility model includes a fuel cell of any one of the above embodiments. The interior of the car has a fuel cell, and the box body 1 of the fuel cell in the car has a housing 11, and a stack module 3 is arranged in the housing 11. One side of the housing 11 is closed by an end plate 2 with a distribution manifold 21, and the end plate 2 is also directly connected to the stack module 3, so that the fluid transmitted by the distribution manifold 21 can be directly supplied to the stack module 3; by integrating the distribution manifold 21 on the end plate 2, the reliability of the distribution manifold 21 group is improved, so that the assembly of the box body 1 can be completed by directly installing the end plate 2 on the box body 1 during assembly, which improves the assembly efficiency of the fuel cell, reduces separate parts, and reduces the overall cost of the product.

[0038] The working process of the utility model is as follows: a housing 1 is provided with a accommodating chamber 11, a stack module 3 is arranged in the accommodating chamber 11, one side of the accommodating chamber 11 is closed by an end plate 2 with a distribution manifold 21, and the end plate 2 is also connected to the stack module 3 through an installation groove 25 and a collecting plate 24, so that the fluid transmitted by the distribution manifold 21 can be directly supplied to the stack module 3.

[0039] In summary, the embodiment of the utility model provides a vehicle and a fuel cell thereof, which improves the reliability of the distribution manifold 21 group by integrating the distribution manifold 21 on the end plate 2, so that the assembly of the box body 1 can be completed by directly installing the end plate 2 on the box body 1 during assembly, thereby improving the assembly efficiency of the fuel cell, reducing separate parts, and reducing the overall cost of the product.

[0040] The above are only preferred implementations 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 principles of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A fuel cell, characterized in that: include: A box body, wherein a receiving cavity is formed in the box body, an opening is provided on one side of the box body, the opening is closed by an end plate, and a distribution manifold is integrated on an end surface of the end plate facing away from the receiving cavity; A battery stack module is disposed in the accommodating cavity, and one end of the battery stack module is connected to an end surface of the end plate facing the accommodating cavity.

2. The fuel cell according to claim 1, characterized in that: The distribution manifold is provided with a plurality of pipe openings on an end surface of the end plate facing away from the accommodating cavity for distributing fuel or hydrogen.

3. The fuel cell according to claim 2, characterized in that: A first sealing ring is arranged around the opening.

4. The fuel cell according to claim 1, characterized in that: A second sealing ring is arranged at one end of the box body facing the end plate, and an end surface of one side of the end plate facing the box body is arranged as a sealing surface cooperating with the second sealing ring.

5. The fuel cell according to claim 1, characterized in that: A current collecting plate matching the battery stack module is arranged on one end surface of the end plate facing the battery stack module.

6. The fuel cell according to claim 5, characterized in that: The current collecting plate is fixed to the end plate by bolts penetrating the end plate.

7. The fuel cell according to claim 1, characterized in that: A mounting groove is arranged on an end surface of the end plate facing the battery stack module, and a pull rod matched with the mounting groove is arranged on the outer side of the battery stack module.

8. The fuel cell according to claim 1, characterized in that: A plurality of first screw holes are evenly arranged on the edge of the end plate, and a plurality of second screw holes corresponding to the first screw holes are correspondingly arranged on a side of the box body facing the end plate.

9. The fuel cell according to claim 1, characterized in that: The distribution manifold and the end plate are integrally formed.

10. An automobile, characterized in that: A fuel cell comprising the fuel cell according to any one of claims 1 to 9.

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