Anti-overheating device of solid oxide fuel cell

Abstract

The utility model discloses an anti-overheating device of a solid oxide fuel cell, relates to the technical field of fuel cells, and solves the problems that the conventional solid oxide fuel cell is easy to generate relatively high heat, only depends on a shell to dissipate heat, is poor in heat dissipation effect and cannot be used for heat dissipation in the use process of the conventional solid oxide fuel cell. The safety performance of the battery is reduced and the service life of the battery is shortened due to long-time heating of the battery. Comprising a fuel cell body and a shell, the protective sleeve wraps the outer portion of the outer shell, an installation shell is embedded in one side of the protective sleeve, a plurality of cooling fans are arranged in the installation shell, and the side, located on the installation shell, of the outer shell is connected with cooling fins; the battery fixing support is arranged in the sheath, and a groove is formed in the upper end of the side face of the battery fixing support in a penetrating mode; the temperature of the fuel cell body during working can be reduced, so that the safety performance of the cell is effectively prevented from being influenced by long-time heating of the cell, and the use effect of the fuel cell body is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fuel cells, and in particular relates to an overheating prevention device for a solid oxide fuel cell. Background Art

[0002] Solid oxide fuel cells belong to the third generation of fuel cells. They are all-solid-state chemical power generation devices that directly convert the chemical energy stored in fuel and oxidant into electrical energy in an efficient and environmentally friendly manner at medium and high temperatures. Among several types of fuel cells, they have the highest theoretical energy density and are the most widely used.

[0003] At present, in the relevant technology, when solid oxide fuel cells are used, they are prone to generate high heat, and the existing fuel cells only rely on the outer shell to dissipate heat, which has a poor heat dissipation effect. Long-term heating of the battery will reduce the safety performance of the battery and shorten the battery life, thereby reducing the use effect of the fuel cell.

[0004] Therefore, based on the above problems, we designed an overheating protection device for solid oxide fuel cells. Utility Model Content

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a solid oxide fuel cell overheating prevention device, which solves the technical problem that the existing solid oxide fuel cell is prone to generate high heat during use, and only relies on the outer shell for heat dissipation, which has a poor heat dissipation effect. The long-term heating of the battery will reduce the safety performance of the battery and reduce the life of the battery, thereby reducing the use effect of the fuel cell.

[0006] To achieve the above-mentioned object, according to an embodiment of the first aspect of the utility model, an overheating prevention device for a solid oxide fuel cell is provided, comprising a fuel cell body, wherein the fuel cell body comprises a housing;

[0007] Also includes:

[0008] A sheath wrapped around the outside of the shell, a mounting shell is embedded on one side of the sheath, a plurality of cooling fans are arranged in the mounting shell, and a cooling fin is connected to the side of the shell located at the mounting shell;

[0009] A battery fixing bracket is arranged in the sheath, a groove is penetrated at the upper end of the side surface of the battery fixing bracket, a pair of adjustment fixing rods are arranged in the port of the battery fixing bracket, and a right-angle snap-fitting notch is arranged on the inner wall of each adjustment fixing rod, and studs are connected at both ends of the adjustment fixing rod, each stud passes through the groove respectively, and a fastening sleeve is threadedly connected at the end.

[0010] A further improvement is that the outer wall surface of the sheath is provided with a plurality of reinforcing ribs.

[0011] A further improvement is that an aluminum reinforcement cover is connected to the top of the sheath, and a buffer silicone pad is connected between the bottom surface of the aluminum reinforcement cover and the top surface of the fuel cell body.

[0012] A further improvement is that a heat dissipation cavity is provided between the outer wall of the shell and the inner wall of the sheath, and the mounting shell and the heat dissipation cavity are in communication.

[0013] A further improvement is that cushion blocks are connected to both sides of the port of the right-angled engaging notch.

[0014] A further improvement is that a groove for installing the fuel cell body is provided on the inner wall of the bottom surface of the sheath, and a gasket is provided on the inner wall of the groove.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The utility model can realize the installation and fixation of different fuel cell bodies by clamping the bottom surface of the fuel cell body in the gasket of the groove, and then sliding two adjustment fixing rods until the two sides of the fuel cell body are clamped in the right-angle clamping notch. At this time, the stud slides in the groove, and then the fastening sleeve is screwed on the stud until the fastening sleeve contacts the battery fixing bracket;

[0017] (2) When the overheating prevention device of the utility model is used, since a heat dissipation cavity is provided between the outer wall of the shell and the inner wall of the sheath, the heat generated by the fuel cell body during operation is first conducted to the heat dissipation cavity by the heat dissipation fins, and then conducted away by the action of several heat dissipation fans, thereby reducing the temperature of the fuel cell body during operation, thereby effectively preventing the battery from heating for a long time and affecting the safety performance of the battery, and improving the use effect of the fuel cell body;

[0018] (3) The utility model protects the fuel cell during use through the protective sleeve, several reinforcing ribs, the bottom surface of the aluminum reinforced cover and the buffer silicone pad, which can effectively avoid damage to the fuel cell caused by external force collision and excessive extrusion pressure, thereby extending the life of the fuel cell. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional top view of the structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the cross-sectional side view of the sheath and the fuel cell body of the utility model;

[0022] Figure 4It is a schematic diagram of the structure of the aluminum reinforcement cover of the utility model.

[0023] Markings in the figure:

[0024] 1. Aluminum reinforced cover;

[0025] 2. Sheath; 21. Reinforcement ribs; 22. Buffer silicone pad; 23. Groove; 231. Washer;

[0026] 3. Mounting shell; 31. Cooling fan; 32. Cooling fins;

[0027] 4. fuel cell body; 41. housing; 42. heat dissipation cavity;

[0028] 5. Battery fixing bracket; 51. Groove; 52. Adjustment fixing rod; 521. Stud; 522. Fastening sleeve; 53. Right-angle snap-in notch; 531. Pad. DETAILED DESCRIPTION

[0029] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] like Figure 1 As shown, an overheating prevention device for a solid oxide fuel cell includes a fuel cell body 4, and the fuel cell body 4 includes a housing 41;

[0031] like Figures 2 to 4 As shown, the implementation includes: a sheath 2, wrapped around the outside of the outer shell 41, a mounting shell 3 is embedded on one side of the sheath 2, a plurality of cooling fans 31 are arranged in the mounting shell 3, and a cooling fin 32 is connected to the outer shell 41 on one side of the mounting shell 3;

[0032] In this embodiment, a heat dissipation cavity 42 is provided between the outer wall of the housing 41 and the inner wall of the jacket 2, and the mounting shell 3 and the heat dissipation cavity 42 are in communication. When the overheating prevention device is used, since the heat dissipation cavity 42 is provided between the outer wall of the housing 41 and the inner wall of the jacket 2, the heat generated by the fuel cell body 4 during operation is first conducted to the heat dissipation cavity 42 by the heat dissipation fins 32, and then the heat is conducted away by the action of the plurality of heat dissipation fans 31, thereby reducing the temperature of the fuel cell body 4 during operation;

[0033] Among them, in this embodiment, the outer wall surface of the sheath 2 is provided with a plurality of reinforcing ribs 21, the top of the sheath 2 is connected with an aluminum reinforcement cover 1, and a buffer silicone pad 22 is connected between the bottom surface of the aluminum reinforcement cover 1 and the top surface of the fuel cell body 4. Through the action of the sheath 2, the plurality of reinforcing ribs 21, the bottom surface of the aluminum reinforcement cover 1 and the buffer silicone pad 22, the fuel cell is protected during use, and damage to the fuel cell caused by external collision and excessive extrusion can be effectively avoided;

[0034] like Figure 2 and Figure 3 As shown, the implementation includes: a battery fixing bracket 5, which is arranged in the sheath 2, a groove 51 is penetrated at the upper end of the side of the battery fixing bracket 5, a pair of adjustment fixing rods 52 are arranged in the port of the battery fixing bracket 5, and the inner wall of each adjustment fixing rod 52 is provided with a right-angle clamping notch 53, and the two ends of the adjustment fixing rod 52 are connected with studs 521, each stud 521 passes through the groove 51 respectively, and is threadedly connected with a fastening sleeve 522 at the end, by sliding the two adjustment fixing rods 52 until the two sides of the fuel cell body 4 are clamped in the right-angle clamping notch 53, at this time, the stud 521 slides in the groove 51, and then the fastening sleeve 522 is screwed on the stud 521 until the fastening sleeve 522 contacts the battery fixing bracket 5, so as to realize the installation and fixation of different fuel cell bodies 4;

[0035] Among them, in this embodiment, both sides of the port of the right-angle snap-fit ​​notch 53 are connected with gaskets 531, the inner wall of the bottom surface of the sheath 2 is provided with a groove 23 for installing the fuel cell body 4, and the inner wall of the groove 23 is provided with a gasket 231. Before implementation, the appropriate gasket 531 and gasket 231 are selected according to the size of the fuel cell body 4.

[0036] like Figures 1 to 4 As shown, in this embodiment, it should be noted that the actual size of each component in the application document is selected and installed before implementation according to the actual needs on site. In addition, it should be noted that this application document only improves the shortcomings of the existing solid oxide fuel cell, which is easy to generate high heat during use, and only relies on the shell 41 for heat dissipation, and the heat dissipation effect is poor. The long-term heating of the battery will reduce the safety performance of the battery and reduce the life of the battery, which reduces the use effect of the fuel cell. It does not involve improvements in other aspects; the working principle of the anti-overheating device of the solid oxide fuel cell is introduced as follows:

[0037] During installation, the installer selects appropriate pads 531 according to the size of the fuel cell body 4 and installs them on both sides of the port of the right-angled notch 53, and selects appropriate gaskets 231 and installs them on the inner wall of the groove 23;

[0038] Then, the bottom surface of the fuel cell body 4 is clamped in the gasket 231 of the groove 23, and then the two adjusting fixing rods 52 are slid until the two sides of the fuel cell body 4 are clamped in the right-angle clamping notch 53. At this time, the stud 521 slides in the groove 51, and then the fastening sleeve 522 is screwed on the stud 521 until the fastening sleeve 522 contacts the battery fixing bracket 5, so that different fuel cell bodies 4 can be installed and fixed;

[0039] Then, the aluminum reinforcement cover 1 is connected to the top of the sheath 2, so that the buffer silicone pad 22 on the bottom surface of the aluminum reinforcement cover 1 contacts the top surface of the fuel cell body 4, and the connection terminals of the fuel cell body 4 are allowed to leak out of the aluminum reinforcement cover 1;

[0040] When the overheating prevention device is used, since a heat dissipation cavity 42 is provided between the outer wall of the housing 41 and the inner wall of the jacket 2, the heat generated by the fuel cell body 4 during operation is first conducted to the heat dissipation cavity 42 by the heat dissipation fins 32, and then conducted away by the heat dissipation fans 31, so that the temperature of the fuel cell body 4 during operation can be reduced, thereby effectively preventing the battery from heating for a long time and affecting the safety performance of the battery, and improving the use effect of the fuel cell body 4;

[0041] The protective sleeve 2, several reinforcing ribs 21, the bottom surface of the aluminum reinforcement cover 1 and the buffer silicone pad 22 can protect the fuel cell during use, effectively avoiding damage to the fuel cell caused by external collision and excessive extrusion, thereby extending the life of the fuel cell.

[0042] The above embodiments are only used to illustrate the technical method of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical method of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical method of the utility model.

Claims

1. A solid oxide fuel cell overheating prevention device, comprising a fuel cell body (4), wherein the fuel cell body (4) comprises a housing (41); It is characterized in that Also includes: A sheath (2) is wrapped around the outside of the outer shell (41); a mounting shell (3) is embedded on one side of the sheath (2); a plurality of cooling fans (31) are arranged inside the mounting shell (3); and a cooling fin (32) is connected to the outer shell (41) on one side of the mounting shell (3); A battery fixing bracket (5) is arranged in the protective sleeve (2), a groove (51) is provided through the upper end of the side surface of the battery fixing bracket (5), a pair of adjustment fixing rods (52) are provided in the port of the battery fixing bracket (5), the inner wall of each adjustment fixing rod (52) is provided with a right-angled engaging notch (53), and studs (521) are connected to both ends of the adjustment fixing rod (52), each stud (521) respectively passes through the groove (51) and is threadedly connected to a fastening sleeve (522) at the end.

2. The overheating prevention device for a solid oxide fuel cell according to claim 1, characterized in that: The outer wall surface of the jacket (2) is provided with a plurality of reinforcing ribs (21).

3. The overheating prevention device for a solid oxide fuel cell according to claim 1, characterized in that: The top end of the protective sleeve (2) is connected to an aluminum reinforcement cover (1), and a buffer silica gel pad (22) is connected between the bottom surface of the aluminum reinforcement cover (1) and the top surface of the fuel cell body (4).

4. The overheating prevention device for a solid oxide fuel cell according to claim 1, characterized in that: A heat dissipation cavity (42) is provided between the outer wall of the outer shell (41) and the inner wall of the sheath (2), and the mounting shell (3) and the heat dissipation cavity (42) are in communication.

5. The overheating prevention device for a solid oxide fuel cell according to claim 1, characterized in that: Cushion blocks (531) are connected to both sides of the port of the right-angled engaging notch (53).

6. The overheating prevention device for a solid oxide fuel cell according to claim 1, characterized in that: The inner wall of the bottom surface of the jacket (2) is provided with a groove (23) for installing the fuel cell body (4), and the inner wall of the groove (23) is provided with a gasket (231).

Images