Hydrogen fuel cell laminated shell with good heat dissipation performance

Abstract

The utility model discloses a hydrogen fuel cell lamination shell with good heat dissipation performance, and relates to the technical field of hydrogen fuel cell shells, the hydrogen fuel cell lamination shell with good heat dissipation performance comprises a shell main body, the shell main body comprises a plurality of laminations, the two sides of the shell main body are provided with side grooves, and the side grooves are arranged in the shell main body. Connecting grooves are formed in the upper surface and the lower surface of the shell main body, the side grooves and the connecting grooves are formed by a plurality of laminations, heat dissipation reinforcing assemblies are arranged outside the connecting grooves, a first connector is arranged in the side groove in one side of the shell main body, and a second connector is arranged in the side groove in the other side of the shell main body. According to the scheme, the problems that most of existing hydrogen fuel cell shells are square sealed shells, the heat dissipation performance is poor, and the service life is short due to the fact that the cells are prone to overheating after being used for a long time are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen fuel cell casings, in particular to a hydrogen fuel cell stack casing with good heat dissipation performance. Background Technique

[0002] A hydrogen fuel cell is a power generation device that directly converts the chemical energy of hydrogen and oxygen into electrical energy. Its basic principle is the reverse reaction of electrolyzing water. Hydrogen and oxygen are respectively supplied to the anode and the cathode. After hydrogen diffuses outward through the anode and reacts with the electrolyte, electrons are released and reach the cathode through an external load. When in use, the hydrogen fuel cell is wrapped and protected by a casing;

[0003] For example, the Chinese authorized patent with the publication number CN209515798U (a hydrogen fuel cell casing): includes a base, a casing body, a fixing frame, a limiting frame and a fixing plate. A limiting groove is provided on the inner wall of the bottom end of the casing body. A second fixing rod is welded to the bottom end surface of the base. A second spring is welded to the top end surface of the inner wall of the second fixing rod. A first fixing rod is welded to the bottom end surface of the second spring. The fixing frame is welded to the top end surface of the base through a connecting frame, and a sliding groove is provided in the fixing frame. A rubber pad is fitted and installed on the inner wall of the limiting frame, and a screw rod is welded to the bottom end surface of the limiting frame. A limiting rod is welded to the side end surface of the fixing plate, and a first spring is welded to the bottom end surface of the limiting rod. The utility model has the advantages of simple structure, convenient operation, convenient fixing and transportation protection.

[0004] However, most of the existing hydrogen fuel cell casings are square sealed casings with poor heat dissipation performance. After long-term use, the battery is prone to overheating, resulting in a short service life. Therefore, it does not meet the existing requirements. For this reason, we propose a hydrogen fuel cell stack casing with good heat dissipation performance. Content of the Utility Model

[0005] The purpose of the utility model is to provide a hydrogen fuel cell stack casing with good heat dissipation performance, so as to solve the problems in the above-mentioned background technique that most of the existing hydrogen fuel cell casings are square sealed casings with poor heat dissipation performance. After long-term use, the battery is prone to overheating, resulting in a short service life.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a hydrogen fuel cell stack casing with good heat dissipation performance, including: a casing main body, the casing main body includes a plurality of stacked sheets, side grooves are provided on both sides of the casing main body, connecting grooves are provided on the upper and lower surfaces of the casing main body, and both the side grooves and the connecting grooves are formed by a plurality of stacked sheets. A heat dissipation strengthening component is arranged outside the connecting groove. A first connecting head is arranged inside the side groove on one side of the casing main body, and a second connecting head is arranged inside the side groove on the other side of the casing main body.

[0007] Preferably, threaded rod fasteners are provided at the front ends of both sides of the laminated sheet, and a plurality of laminated sheets are fixed by the threaded rod fasteners.

[0008] Preferably, handle frames are provided on the upper surfaces of both sides of the laminated sheet, and the handle frames are fixedly welded to the laminated sheet. There are four handle frames, and a through-type handle groove is provided on the surface of the handle frames.

[0009] Preferably, the heat dissipation enhancement component includes a mounting seat, and fixed frames are integrally provided on both sides of the mounting seat.

[0010] Preferably, a through groove penetrating up and down is provided inside the mounting seat, and heat dissipation fins are provided on the upper surface of the mounting seat. The heat dissipation fins are adjacent to the through groove, and a plurality of heat dissipation fins and through grooves are provided.

[0011] Preferably, a single-head fastener is provided at the lower end of the mounting seat, and the mounting seat is threadedly connected to the heat dissipation fin through the single-head fastener.

[0012] Preferably, a connection hole is provided on one side of the fixed frame, a threaded fastener is provided at one end of the connection hole, a fastener hole is provided on the front surface of the laminated sheet, and one end of the threaded fastener passes through the connection hole and is threadedly connected to the fastener hole.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. In the present utility model, a plurality of laminated sheets are combined into a housing main body, and the plurality of laminated sheets are horizontally arranged front and back. The threaded rod fasteners are used to fix the plurality of laminated sheets. The laminated sheet form is used to replace the existing square sealed housing. Relying on the laminated sheet can not only play a protective role but also play a heat dissipation role, increasing the contact area between the outer wall of the housing and the air. Through air flow, heat is carried away, avoiding overheating damage of the hydrogen fuel cell during long-term use. And the fixed frame of the heat dissipation enhancement component is clamped outside the connection groove. When relying on the laminated sheet for heat dissipation and protection, the outer wall of the connection groove contacts the heat dissipation enhancement component, and heat transfer is carried out through the mounting seat of the heat dissipation enhancement component to the heat dissipation fins of the heat dissipation enhancement component, and the heat dissipation fins are relied on to further enhance heat dissipation, improving the heat dissipation performance. It solves the problems that the existing hydrogen fuel cell housings are mostly square sealed housings with poor heat dissipation performance, and the battery is prone to overheating during long-term use, resulting in short service life.

[0015] 2. By arranging a threaded fastener on one side of the fixed frame and a single-head fastener at the lower end of the mounting seat, the fixed frame of the heat dissipation enhancement component is clamped outside the connecting groove, and one end of the threaded fastener passes through the connecting hole and is threadedly connected to the fastener hole to fix the heat dissipation enhancement component to the shell body. The detachable heat dissipation enhancement component can be selectively added and reduced according to actual needs, thereby improving flexibility and convenience. The mounting seat is threadedly connected to the heat sink through a single-head fastener, which is convenient for installation and removal of the heat sink, improves replacement convenience and carrying convenience, and avoids bending and damage due to external force when carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall right side structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the heat dissipation enhancement component of the utility model;

[0019] Figure 4 This is a bottom view of the structure of the heat dissipation enhancement component of the utility model;

[0020] In the figure: 1. Shell body; 2. Lamination; 3. Handle frame; 4. Threaded rod fastener; 5. Side groove; 6. First connector; 7. Second connector; 8. Heat dissipation reinforcement component; 9. Mounting seat; 10. Fixed frame; 11. Through groove; 12. Heat sink; 13. Threaded fastener; 14. Connection hole; 15. Fastener hole; 16. Connection groove; 17. Single-head fastener; 18. Handle groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figures 1-4 The utility model provides an embodiment: a hydrogen fuel cell stack shell with good heat dissipation performance, comprising: a shell body 1, the shell body 1 includes a plurality of stacks 2, side grooves 5 are arranged on both sides of the shell body 1, the upper and lower surfaces of the shell body 1 are arranged with connecting grooves 16, and the side grooves 5 and the connecting grooves 16 are both formed by a plurality of stacks 2, a heat dissipation reinforcement component 8 is arranged outside the connecting groove 16, a first connector 6 is arranged inside the side groove 5 on one side of the shell body 1, and a second connector 7 is arranged inside the side groove 5 on the other side of the shell body 1, threaded rod fasteners 4 are arranged on the front ends of both sides of the stack 2, and the plurality of stacks 2 are fixed by the threaded rod fasteners 4.

[0023] Place multiple laminations 2 horizontally in front and behind, and use the threaded rod fasteners 4 to fix the multiple laminations 2. The first connector 6 and the second connector 7 are respectively installed in two side grooves 5 formed by several laminations 2. Rely on the form of the lamination 2 to replace the existing square sealed housing. Relying on the lamination 2 can not only play a protective role, but also play a heat dissipation role, increasing the area of the outer wall of the housing in contact with the air. Through air flow, heat is carried away, avoiding overheating damage to the hydrogen fuel cell during long-term use. Clamp the fixed frame 10 of the heat dissipation enhancement component 8 outside the connection groove 16. Through the way of heat transfer, rely on the mounting seat 9 of the heat dissipation enhancement component 8 to conduct heat transfer, and transfer it to the heat sink 12 of the heat dissipation enhancement component 8. Rely on the heat sink 12 to further enhance heat dissipation, improving the heat dissipation performance. And the detachable heat dissipation enhancement component 8 can be selectively added and reduced according to actual needs, improving flexibility and convenience.

[0024] Please refer to Figure 1 , handle frames 3 are provided on the upper surfaces of both sides of the lamination 2, and the handle frames 3 are welded and fixed to the lamination 2. There are four handle frames 3, and through-type handle grooves 18 are provided on the surfaces of the handle frames 3. Personnel pass their hands through the handle grooves 18 to hold the handle frames 3, which is convenient for lifting the housing main body 1.

[0025] Please refer to Figure 1 , 3 、4, the heat dissipation enhancement component 8 includes a mounting seat 9. Fixed frames 10 are integrally provided on both sides of the mounting seat 9. A through groove 11 that penetrates up and down is provided inside the mounting seat 9. Heat sinks 12 are provided on the upper surface of the mounting seat 9, and the heat sinks 12 are adjacent to the through groove 11. A number of heat sinks 12 and through grooves 11 are provided. A connection hole 14 is provided on one side of the fixed frame 10. One end of the connection hole 14 is provided with a threaded fastener 13. A fastener hole 15 is provided on the front surface of the lamination 2, and one end of the threaded fastener 13 passes through the connection hole 14 and is threadedly connected to the fastener hole 15. Clamp the fixed frame 10 of the heat dissipation enhancement component 8 outside the connection groove 16, and one end of the threaded fastener 13 passes through the connection hole 14 and is threadedly connected to the fastener hole 15 to realize the fixation of the heat dissipation enhancement component 8 and the housing main body 1.

[0026] Please refer to Figure 3 , 4 , a single-headed fastener 17 is provided at the lower end of the mounting seat 9, and the mounting seat 9 is threadedly connected to the heat sink 12 through the single-headed fastener 17, which is convenient for the installation and disassembly of the heat sink 12, improving the convenience of replacement and portability, and avoiding bending damage due to external forces during carrying.

[0027] Working principle: When in use, a plurality of laminations 2 are horizontally arranged front and back, and the plurality of laminations 2 are fixed by the threaded rod fastener 4. The first connector 6 and the second connector 7 are respectively installed in two side grooves 5 formed by a plurality of laminations 2. Relying on the form of the laminations 2 to replace the existing square sealed housing, the laminations 2 can not only play a protective role but also a heat dissipation role, increasing the area of the outer wall of the housing in contact with the air. Through air flow, heat is carried away, avoiding overheating damage to the hydrogen fuel cell during long-term use. And the fixing frame 10 of the heat dissipation enhancement component 8 is stuck outside the connection groove 16, and one end of the threaded fastener 13 passes through the connection hole 14 and is threadedly connected to the fastener hole 15, realizing the fixation of the heat dissipation enhancement component 8 to the housing main body 1. When relying on the laminations 2 for heat dissipation and protection, the outer wall of the connection groove 16 contacts the heat dissipation enhancement component 8, and heat transfer is carried out through the mounting seat 9 of the heat dissipation enhancement component 8 to the heat dissipation fins 12 of the heat dissipation enhancement component 8. Relying on the heat dissipation fins 12 to further enhance heat dissipation, improving the heat dissipation performance. And the detachable heat dissipation enhancement component 8 can be selectively added or reduced according to actual needs, improving flexibility and convenience.

[0028] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed within the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A hydrogen fuel cell stack housing with good heat dissipation performance, comprising a housing main body (1), characterized in that: The housing main body (1) includes a plurality of laminations (2). Side grooves (5) are provided on both sides of the housing main body (1). Connecting grooves (16) are provided on the upper and lower surfaces of the housing main body (1). The side grooves (5) and the connecting grooves (16) are both formed by a plurality of laminations (2). A heat dissipation strengthening component (8) is provided outside the connecting groove (16). A first connector (6) is provided inside the side groove (5) on one side of the housing main body (1), and a second connector (7) is provided inside the side groove (5) on the other side of the housing main body (1).

2. The hydrogen fuel cell stack housing with good heat dissipation performance according to claim 1, characterized in that: Threaded rod fasteners (4) are provided at the front ends of both sides of the lamination (2), and a plurality of laminations (2) are fixed by the threaded rod fasteners (4).

3. A stack housing of a hydrogen fuel cell with good heat dissipation performance according to claim 1, characterized in that: Handle frames (3) are provided on the upper surfaces of both sides of the lamination (2), and the handle frames (3) are fixedly welded to the laminations (2). There are four handle frames (3), and through-type handle grooves (18) are provided on the surfaces of the handle frames (3).

4. A stack housing of a hydrogen fuel cell with good heat dissipation performance according to claim 1, characterized in that: The heat dissipation strengthening component (8) includes a mounting seat (9), and fixed frames (10) are integrally provided on both sides of the mounting seat (9).

5. A stack housing of a hydrogen fuel cell with good heat dissipation performance according to claim 4, characterized in that: A through groove (11) penetrating up and down is provided inside the mounting seat (9). Heat dissipation fins (12) are provided on the upper surface of the mounting seat (9). The heat dissipation fins (12) are adjacent to the through groove (11), and a plurality of heat dissipation fins (12) and through grooves (11) are provided.

6. The hydrogen fuel cell stack housing with good heat dissipation performance according to claim 5, characterized in that: A single-headed fastener (17) is provided at the lower end of the mounting seat (9), and the mounting seat (9) is threadedly connected to the heat dissipation fins (12) through the single-headed fastener (17).

7. A stack housing of a hydrogen fuel cell with good heat dissipation performance according to claim 4, characterized in that: A connection hole (14) is provided on one side of the fixed frame (10). A threaded fastener (13) is provided at one end of the connection hole (14). A fastener hole (15) is provided on the front surface of the lamination (2), and one end of the threaded fastener (13) passes through the connection hole (14) and is threadedly connected to the fastener hole (15).

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