CN217641438U

CN217641438U - Heat radiation protection device for fuel cell

Info

Publication number: CN217641438U
Application number: CN202221859481.8U
Authority: CN
Inventors: 付全军; 张羿
Original assignee: Hefei Huayu Smart Power Energy Co Ltd
Current assignee: Hefei Huayu Smart Power Energy Co Ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-10-21
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a heat dissipation protection device for fuel cell, which relates to the technical field of fuel cell, comprising a shell, a cell holder and a cell gland which are fixedly connected in the bottom of the shell, wherein the cell holder is provided with a heat dissipation unit, the heat dissipation unit comprises two groups of radiating fins which are fixedly connected at the bottom of the cell holder and a radiating ring rod which is sleeved on the outer ring of the fuel cell, and the radiating fins run through and extend out of the shell; when the fuel cell works, the generated heat is conducted through the radiating fins so as to exchange heat with the outside, and the bottom of the radiating ring rod is fixedly connected with a plurality of heat conducting plates. The utility model discloses can in time spill the heat that gives off when can making the battery use, avoid the battery overheated to lead to the battery to appear damaging, prolong the life of battery, and can carry out twice buffering shock attenuation protection to the battery, and then ensured the normal work of battery, compact structure has stronger practicality, is fit for a large amount of popularization.

Description

Heat radiation protection device for fuel cell

Technical Field

The utility model relates to a fuel cell technical field, in particular to a heat dissipation protection device for fuel cell.

Background

The fuel cell is a chemical device which directly converts chemical energy of fuel into electric energy, is also called an electrochemical generator, and is a fourth power generation technology after hydroelectric power generation, thermal power generation and atomic power generation.

Among the prior art, fuel cell generally places in the casing, fixes on the battery seat through the battery gland, and the inner wall butt of fuel cell bottom and casing for the heat of fuel cell bottom is difficult for running off, can accumulate gradually between fuel cell and casing, and in the long run, can make fuel cell overheat and lead to fuel cell to appear damaging, has reduced fuel cell's life, consequently, this application provides a heat dissipation protection device for fuel cell and satisfies the demand.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a heat dissipation protection device for a fuel cell, and solves the problems in the prior art.

In order to achieve the above purpose, the present application provides the following technical solutions: a heat dissipation protection device for a fuel cell comprises a shell, a cell seat and a cell gland, wherein the cell seat and the cell gland are fixedly connected in the bottom of the shell;

when the fuel cell is operated, the generated heat is conducted through the heat radiating fins to exchange heat with the outside.

Preferably, the bottom of the heat dissipation ring rod is fixedly connected with a plurality of heat conduction plates, and the other ends of the heat conduction plates are fixedly connected with the battery holder.

Preferably, a plurality of grooves are formed in the inner side of the heat dissipation ring rod, and a plurality of through holes are formed in the side wall of the shell.

Preferably, be provided with the buffering protection unit on the battery gland, the buffering protection unit includes fixed connection and is in the fixedly connected with inserted bar of battery gland bottom, the fixed buffer sleeve that has cup jointed in outer lane of inserted bar, the inboard fixedly connected with spacer bar of heat dissipation ring pole, be provided with two symmetric distribution's connecting rod on the spacer bar, the top and the bottom of connecting rod all rotate and are connected with two spliced poles, just the spliced pole is articulated each other, be provided with buffer spring between the spliced pole, the other end of spliced pole rotates and is connected with the buffer board, one side fixedly connected with a plurality of arch that the buffer board kept away from each other, set up two butt framves on the connecting rod.

Preferably, a plurality of buffer grooves are formed in two sides of the separating rod, and a plurality of damping grooves are formed in the side wall of the buffer sleeve.

Preferably, the material of cushion collar is rubber.

Preferably, the heat-dissipating ring rod is provided with placing grooves on two sides, and the diameter of each placing groove is larger than that of the battery gland.

To sum up, the utility model discloses a technological effect and advantage:

the utility model discloses can in time spill the heat that gives off when can making the battery use, avoid the battery overheated to lead to the battery to appear damaging, prolong the life of battery, and can carry out twice buffering shock attenuation protection to the battery, and then ensured the normal work of battery, compact structure has stronger practicality, is fit for a large amount of popularization.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of a heat dissipation protection device for a fuel cell.

Fig. 2 is a sectional structural schematic diagram of the housing.

Fig. 3 is a schematic view of a heat dissipation unit.

Fig. 4 is a schematic diagram of a buffer protection unit.

In the figure: 1. a housing; 101. a through hole; 2. a connecting rod; 3. a buffer spring; 4. connecting columns; 5. a battery gland; 6. a fuel cell; 7. inserting a rod; 8. a heat sink; 9. a battery holder; 10. a heat conducting plate; 11. a heat dissipating ring rod; 12. a groove; 13. a protrusion; 14. a buffer plate; 15. a buffer sleeve; 16. a buffer tank; 17. an abutting frame; 18. a separation rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-4, a heat dissipation protection device for a fuel cell includes a housing 1, a cell holder 9 and a cell cover 5 fixedly connected in the bottom of the housing 1, wherein a heat dissipation unit is disposed on the cell holder 9, the heat dissipation unit includes two sets of heat dissipation fins 8 fixedly connected in the bottom of the cell holder 9 and a heat dissipation ring rod 11 sleeved on the outer ring of the fuel cell 6, and the heat dissipation fins 8 penetrate and extend to the outside of the housing 1.

When the fuel cell 6 is operated, the generated heat is conducted through the heat radiating fins 8 and then heat exchange is performed from the outside, so that the heat is not accumulated at the bottom of the fuel cell 6.

As shown in fig. 2, the bottom of the heat dissipation ring rod 11 is fixedly connected with a plurality of heat conduction plates 10, the other ends of the heat conduction plates 10 are fixedly connected with the battery holder 9, the purpose of setting is to make the heat conduction path complete, the heat is conducted into the heat conduction plates 10 from the heat dissipation ring rod 11, and then is conducted through the heat dissipation fins 8 after being conducted into the battery holder 9, and then the outside carries out heat exchange, the heat dissipated when the fuel battery 6 is used can be dissipated timely, the damage of the battery caused by overheating of the fuel battery 6 is avoided, and the service life of the fuel battery is prolonged.

As shown in fig. 2 and 3, the inner side of the heat dissipating ring rod 11 is provided with a plurality of grooves 12, so that heat cannot be accumulated near the battery 6, the side wall of the housing 1 is provided with a plurality of through holes 101, and a filter screen can be arranged in the through holes 101, so that air convection is formed, and heat dissipated by the fuel battery 6 can be dissipated in time when the fuel battery is used.

As shown in fig. 3 and 4, a buffer protection unit is arranged on the battery gland 5, the buffer protection unit comprises a fixedly connected inserted bar 7 fixedly connected to the bottom of the battery gland 5, a buffer sleeve 15 is fixedly sleeved on the outer ring of the inserted bar 7, a separation bar 18 is fixedly connected to the inner side of the heat dissipation ring bar 11, two symmetrically distributed connecting bars 2 are arranged on the separation bar 18, two symmetrically distributed strip-shaped holes are formed in the separation bar 18, the connecting bars 2 are slidably connected in the strip-shaped holes, the top and the bottom of the connecting bars 2 are rotatably connected with two connecting columns 4, the connecting columns 4 are hinged to each other, a buffer spring 3 is arranged between the connecting columns 4, the other end of each connecting column 4 is rotatably connected with a buffer plate 14, a plurality of bulges 13 are fixedly connected to one side of the buffer plate 14, two abutting frames 17 are arranged on the connecting bars 2, and the abutting frames 17 are composed of abutting bars and abutting blocks.

At first place two fuel cell 6 on battery seat 9, make fuel cell 6's bottom and fin 8 butt, later fix battery gland 5 on battery seat 9 through common mounting means such as screws, thereby it is spacing to fuel cell 6, this in-process can make inserted bar 7 pass spacer bar 18, and make cushion collar 15 and butt piece butt, thereby make connecting rod 2 slide in the bar hole through the butt post, thereby make spliced pole 4 tensile buffer spring 3, and under buffer plate 14's effect, make arch 13 and fuel cell 6 butt, when fuel cell 6 takes place vibrations, can produce the extrusion to arch 13, thereby compress buffer spring 3, and then make the butt piece take place the extrusion to cushion collar 15, thereby carry out twice buffering shock attenuation, cushion shock attenuation protection to fuel cell 6, guarantee that fuel cell 6 can normally work.

As shown in fig. 4, a plurality of buffer slots 16 are formed at both sides of the separation rod 18, when the separation rod 18 is pressed by the buffer plate 14, a deformation space is provided for the separation rod 18 through the buffer slots 16, and a plurality of damping slots are formed on the side wall of the buffer sleeve 15 to provide a deformation space for the buffer sleeve 15.

The cushion sleeve 15 is made of rubber, and when the abutting block and the cushion sleeve 15 are squeezed, the vibration force can be buffered due to the material characteristics of the cushion sleeve 15 itself, as shown in fig. 4.

The both sides of heat dissipation ring pole 11 have been seted up the standing groove, and the diameter of standing groove is greater than the diameter of battery gland 5, and as shown in fig. 3, it is fixed with battery seat 9 through the screw to be convenient for battery gland 5.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A heat dissipation protection device for a fuel cell comprises a shell (1), a cell holder (9) and a cell gland (5) which are fixedly connected in the bottom of the shell (1), and is characterized in that the cell holder (9) is provided with a heat dissipation unit, the heat dissipation unit comprises two groups of heat dissipation fins (8) which are fixedly connected at the bottom of the cell holder (9) and a heat dissipation ring rod (11) which is sleeved on the outer ring of the fuel cell (6), and the heat dissipation fins (8) penetrate through and extend out of the shell (1);

when the fuel cell (6) works, the generated heat is conducted through the radiating fins (8) so as to exchange heat with the outside.

2. The heat dissipation protection device for a fuel cell as set forth in claim 1, wherein: the bottom of the radiating ring rod (11) is fixedly connected with a plurality of heat-conducting plates (10), and the other ends of the heat-conducting plates (10) are fixedly connected with the battery holder (9).

3. The heat dissipation protection device for a fuel cell as set forth in claim 1, wherein: a plurality of grooves (12) are formed in the inner side of the radiating ring rod (11), and a plurality of through holes (101) are formed in the side wall of the shell (1).

4. A heat radiation protection device for a fuel cell according to any one of claims 1 to 3, characterized in that: be provided with buffering protection unit on battery gland (5), buffering protection unit includes fixed connection and is in fixedly connected with inserted bar (7) of battery gland (5) bottom, buffer sleeve (15) have been cup jointed to the outer lane of inserted bar (7) is fixed, inboard fixedly connected with spacer bar (18) of heat dissipation ring pole (11), be provided with two symmetric distribution's connecting rod (2) on spacer bar (18), the top and the bottom of connecting rod (2) all rotate and are connected with two spliced poles (4), just spliced pole (4) are articulated each other, be provided with buffer spring (3) between spliced pole (4), the other end of spliced pole (4) rotates and is connected with buffer board (14), one side fixedly connected with a plurality of arch (13) that buffer board (14) kept away from each other, set up two butt framves (17) on connecting rod (2).

5. The heat dissipation protection device for a fuel cell according to claim 4, characterized in that: a plurality of buffer grooves (16) are formed in two sides of the separating rod (18), and a plurality of damping grooves are formed in the side wall of the buffer sleeve (15).

6. The heat dissipation protection device for a fuel cell as set forth in claim 4, wherein: the buffer sleeve (15) is made of rubber.

7. The heat dissipation protection device for a fuel cell according to claim 4, characterized in that: the two sides of the heat dissipation ring rod (11) are provided with placing grooves, and the diameters of the placing grooves are larger than those of the battery gland (5).