Electric pile mounting and fixing structure for fuel cell

Abstract

The invention provides an electric pile mounting and fixing structure for a fuel cell, which comprises a packaging box and a connecting plate, the packaging box is used for accommodating an electric pile, the connecting plate is used for limiting the relative position relation of the electric pile and the packaging box, the packaging box comprises four side plates connected end to end and a bottom plate, the bottom plate is fixedly connected with the four side plates, and the bottom plate is fixedly connected with the four side plates. A cuboid containing space with an opening in one side is formed, the electric pile is placed in the containing space, one side plate is provided with a through opening, and the through opening is used for inserting the electric pile into the containing space in a sliding mode; the connecting plates comprise a first connecting plate and a second connecting plate, the first connecting plate comprises a first end part and a second end part which are integrally formed, the second connecting plate comprises a third end part and a fourth end part which are integrally formed, one of the first end part and the second end part is fixedly connected to a rear end plate of the electric pile, and the other one of the first end part and the second end part is fixedly connected to one side plate; one of the third end part and the fourth end part is fixedly connected to the rear end plate of the galvanic pile, and the other one is fixedly connected to the bottom plate, so that when vibration impact is coped, the probability of displacement of the galvanic pile relative to the packaging box can be reduced through the arrangement of the first connecting plate and the second connecting plate, collision between the packaging box and the galvanic pile is avoided, and the safety performance is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of battery stack equipment, and in particular relates to a battery stack installation and fixing structure for a fuel cell. Background Art

[0002] The fuel cell stack needs to be installed and fixed in a packaging box when in use, and then operate together with the rest of the components of the fuel cell system. However, the existing stack is only fixed to the packaging box by bolts. When subjected to vibration and impact during actual operation, the stack is prone to deformation and movement relative to the packaging box, and even collisions may occur between the packaging box and the stack, thereby affecting the life, safety and seismic performance of the stack. Summary of the invention

[0003] In order to overcome the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a fuel cell stack installation and fixing structure, which can reduce the probability of displacement of the stack relative to the packaging box when responding to vibration and impact, and avoid collision between the packaging box and the stack.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] The present invention provides a fuel cell stack installation and fixing structure, comprising:

[0006] A packaging box, used to accommodate the battery stack;

[0007] A connecting plate, used to limit the relative position relationship between the battery stack and the packaging box;

[0008] The packaging box includes four side panels connected end to end and a bottom panel, wherein the bottom panel is fixedly connected to the four side panels respectively to form a rectangular shaped accommodation space with a single-side opening, and the battery stack is placed in the accommodation space;

[0009] One of the side plates is provided with a through hole, and the through hole is used for the battery stack to be slidably inserted into the accommodating space;

[0010] The connecting plate comprises a first connecting plate and a second connecting plate, the first connecting plate comprises an integrally formed first end portion and a second end portion, and the second connecting plate comprises an integrally formed third end portion and a fourth end portion;

[0011] One of the first end and the second end is fixedly connected to the rear end plate of the stack, and the other is fixedly connected to one of the side plates;

[0012] One of the third end and the fourth end is fixedly connected to the rear end plate of the fuel cell stack, and the other is fixedly connected to the bottom plate.

[0013] As a preferred implementation manner, the first end portion and the second end portion are configured to be perpendicular to each other.

[0014] As a preferred implementation manner, the third end portion and the fourth end portion are configured to be perpendicular to each other.

[0015] As a preferred embodiment, it also includes bolts, and the side plate with the through hole is also provided with a plurality of screw holes, the bolts are passed through the front end plate of the fuel cell stack and fixedly connected to the screw holes, and the number of the bolts is the same as the number of the screw holes.

[0016] As a preferred embodiment, through holes are provided on the first end and the second end, screw holes are provided at corresponding positions of the rear end plate of the fuel cell stack and the side plate, and bolts pass through the through holes and the screw holes in sequence for fixed connection.

[0017] As a preferred embodiment, through holes are provided on the third end and the fourth end, screw holes are provided at corresponding positions of the rear end plate of the fuel cell stack and the bottom plate, and bolts pass through the through holes and the screw holes in sequence for fixed connection.

[0018] As a preferred embodiment, the first connecting plates are arranged in pairs, and the two first connecting plates are respectively fixedly connected to the side plates adjacent to the side plates provided with the through openings.

[0019] As a preferred implementation, the second connecting plates are configured in number of two or more.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The battery stack is slidably inserted into the accommodating space of the packaging box, one end of the first connecting plate is fixedly connected to the battery stack, and the other end is fixedly connected to the side plate of the packaging box, one end of the second connecting plate is fixedly connected to the battery stack, and the other end is fixedly connected to the bottom plate of the packaging box. When responding to vibration impact, the setting of the first connecting plate and the second connecting plate can reduce the probability of displacement of the battery stack relative to the packaging box, avoid collision between the packaging box and the battery stack, and improve safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0023] Figure 1 It is a three-dimensional structural diagram of the battery stack installation fixing structure in an embodiment of the present invention;

[0024] Figure 2 It is a top plan view of the structure of the battery stack installation and fixing structure in an embodiment of the present invention;

[0025] Figure 3 To distinguish Figure 1 A three-dimensional structural diagram of the battery stack installation fixing structure from a perspective.

[0026] in:

[0027] 1-packaging box; 11-first side panel; 12-second side panel; 13-third side panel; 14-fourth side panel; 15-bottom panel; 2-fuel cell stack; 21-front end panel; 22-rear end panel; 3-first connecting plate; 31-first end; 32-second end; 4-second connecting plate; 41-third end; 42-fourth end. DETAILED DESCRIPTION

[0028] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. In the following description, many specific details are set forth in order to fully understand the present invention, and the embodiments described are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the art without making creative work are within the scope of protection of the present invention.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0030] See also Figure 1 An embodiment of the present invention provides a fuel cell stack installation and fixing structure, including a packaging box 1 and a connecting plate, wherein the packaging box 1 is used to accommodate the fuel cell stack 2, and the connecting plate is used to limit the relative position relationship between the fuel cell stack 2 and the packaging box 1. The packaging box 1 includes four side panels connected end to end and a bottom plate 15, and the bottom plate 15 is fixedly connected to the four side panels to form a rectangular accommodating space with a single-side opening. The fuel cell stack 2 is placed in the accommodating space, and one of the side panels is provided with a through hole, and the through hole is used for the fuel cell stack 2 to be slidably inserted into the accommodating space.

[0031] Specifically, the side plate with the through hole is defined as the first side plate 11. Figure 1In the figure, the battery stack 2 is slidably inserted into the rectangular accommodating space through the through-hole in the opposite direction of the X direction, and the front end plate 21 of the battery stack 2 abuts against the first side plate 11. Preferably, a plurality of screw holes are provided on the first side plate 11, and bolts are passed through the front end plate 21 to be fixedly connected to the screw holes. The number of bolts is the same as the number of screw holes. Such an arrangement can further enhance the tightness of the connection between the battery stack 2 and the packaging box 1 and reduce the probability of displacement of the battery stack 2 relative to the packaging box 1. The two side plates adjacent to the first side plate 11 are defined as the second side plate 12 and the third side plate 13, respectively. The side plate arranged opposite to the first side plate 11 is the fourth side plate 14. The positive direction of the second side plate 12 pointing to the third side plate 13 is the Y direction, and the opening direction of the accommodating space is the Z direction.

[0032] For further information, please also refer to Figure 2 and Figure 3The connecting plate includes a first connecting plate 3 and a second connecting plate 4, the first connecting plate 3 includes an integrally formed first end 31 and a second end 32, the second connecting plate 4 includes an integrally formed third end 41 and a fourth end 42, one of the first end 31 and the second end 32 is fixedly connected to the rear end plate 22 of the stack 2, and the other is fixedly connected to a side plate, one of the third end 41 and the fourth end 42 is fixedly connected to the rear end plate 22 of the stack 2, and the other is fixedly connected to the bottom plate 15; in this embodiment, the first connecting plates 3 are arranged in pairs, and the two first connecting plates The plates 3 are respectively fixedly connected to the second side plate 12 and the third side plate 13 adjacent to the first side plate 11, the first end 31 extends along the Y direction, and the second end 32 extends along the X direction, that is, the first end 31 and the second end 32 are configured to be perpendicular to each other, and through holes are provided on the first end 31 and the second end 32. Screw holes are opened at the corresponding positions of the rear end plate 22 and the side plate of the battery stack 2, and bolts pass through the through holes and the screw holes in sequence for fixed connection; the second connecting plate 4 can be configured as two or more. In this embodiment, the second connecting plate 4 is configured as two, respectively close to the second side plate 12 and the third side plate 13, the third end 41 extends in the X direction, and the fourth end 42 extends in the Z direction, that is, the third end 41 and the fourth end 42 are configured to be perpendicular to each other; it can be understood that in some embodiments, the number of the second connecting plate 4 can also be configured as one, which is arranged on the symmetry line of the second side plate 12 and the third side plate 13, and fixedly connects the rear end plate 22 and the bottom plate 15 of the battery stack 2; preferably, through holes are provided on the first end 31 and the second end 32, and screw holes are provided at corresponding positions of the rear end plate 22 and the side plate of the battery stack 2, and bolts pass through the through holes and the screw holes in sequence to fix Fixed connection; through holes are also provided on the third end 41 and the fourth end 42, and screw holes are opened at corresponding positions of the rear end plate 22 and the bottom plate 15 of the battery stack 2, and the bolts pass through the through holes and the screw holes in sequence for fixed connection. In this way, the setting of the second connecting plate 4 of the first connecting plate 3 and the connection between the front end plate 21 and the first side plate 11 can achieve the relative position fixation of the battery stack 2 and the packaging box 1 in the X direction, the Y direction and the Z direction. When responding to vibration and impact, the probability of displacement of the battery stack 2 relative to the packaging box 1 can be reduced, collision between the packaging box 1 and the battery stack 2 can be avoided, and safety performance is improved.

[0033] In summary, the present invention provides a fuel cell stack installation and fixing structure, in which the fuel cell stack 2 is slidably inserted into the accommodating space of the packaging box 1, one end of the first connecting plate 3 is fixedly connected to the fuel cell stack 2, and the other end is fixedly connected to the side plate of the packaging box 1, one end of the second connecting plate 4 is fixedly connected to the fuel cell stack 2, and the other end is fixedly connected to the bottom plate 15 of the packaging box 1. When responding to vibration and impact, the setting of the first connecting plate 3 and the second connecting plate 4 can reduce the probability of displacement of the fuel cell stack 2 relative to the packaging box 1, avoid collision between the packaging box 1 and the fuel cell stack 2, and improve safety performance.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Therefore, any modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A fuel cell stack installation and fixing structure, characterized in that: include: A packaging box (1) for accommodating a battery stack (2); A connecting plate, used to limit the relative position relationship between the battery stack (2) and the packaging box (1); The packaging box (1) comprises four side panels connected end to end and a bottom panel (15), wherein the bottom panel (15) is fixedly connected to the four side panels respectively to form a rectangular shaped accommodation space with a single-side opening, and the battery stack (2) is placed in the accommodation space; One of the side plates is provided with a through opening, and the through opening is used for the battery stack (2) to be slidably inserted into the accommodating space; The connecting plate comprises a first connecting plate (3) and a second connecting plate (4), the first connecting plate (3) comprising an integrally formed first end portion (31) and a second end portion (32), and the second connecting plate (4) comprising an integrally formed third end portion (41) and a fourth end portion (42); One of the first end (31) and the second end (32) is fixedly connected to the rear end plate (22) of the battery stack (2), and the other is fixedly connected to one of the side plates; One of the third end (41) and the fourth end (42) is fixedly connected to the rear end plate (22) of the battery stack (2), and the other is fixedly connected to the bottom plate (15).

2. The battery stack installation and fixing structure according to claim 1, characterized in that: The first end portion (31) and the second end portion (32) are arranged to be perpendicular to each other.

3. The battery stack installation and fixing structure according to claim 1, characterized in that: The third end portion (41) and the fourth end portion (42) are arranged to be perpendicular to each other.

4. The battery stack installation and fixing structure according to claim 1, characterized in that: It also includes bolts, and the side plate provided with the through hole is also provided with a plurality of screw holes, the bolts are passed through the front end plate (21) of the battery stack (2) and are fixedly connected to the screw holes, and the number of the bolts is the same as the number of the screw holes.

5. The battery stack installation and fixing structure according to claim 1, characterized in that: Through holes are provided on the first end (31) and the second end (32), and screw holes are provided at corresponding positions of the rear end plate (22) of the battery stack (2) and the side plate, and bolts pass through the through holes and the screw holes in sequence for fixed connection.

6. The battery stack installation and fixing structure according to claim 1, characterized in that: The third end (41) and the fourth end (42) are both provided with through holes, and corresponding positions of the rear end plate (22) of the battery stack (2) and the bottom plate (15) are provided with screw holes, and bolts pass through the through holes and the screw holes in sequence for fixed connection.

7. The battery stack installation and fixing structure according to claim 1, characterized in that: The first connecting plates (3) are arranged in pairs, and the two first connecting plates (3) are respectively fixedly connected to the side plates adjacent to the side plates provided with the through openings.

8. The battery stack installation and fixing structure according to claim 1, characterized in that: The second connecting plates (4) are configured in number of two or more.

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