Novel hydrogen fuel cell stack shell structure

Abstract

The utility model relates to the technical field of hydrogen fuel cells, in particular to a novel hydrogen fuel cell stack shell structure, a fixing assembly is arranged inside a shell main body, a cooling assembly is arranged outside the shell main body, the fixing assembly comprises fixing covers which are symmetrically mounted on two sides inside the shell main body, and the cooling assembly is arranged outside the shell main body. The fixing cover is provided with a clamping mechanism, the cooling assembly comprises S-shaped cooling pipes installed on the four sides of the inner wall of the shell body in an embedded mode, a liquid outlet pipe is installed at the liquid outlet end of each S-shaped cooling pipe, a filter cartridge is installed at the liquid outlet end of each liquid outlet pipe, and a first pump body is installed on the middle section of the outer portion of each liquid outlet pipe; a liquid storage tank is mounted at the liquid outlet end of the filter cartridge, and a cooling tank is mounted at the liquid outlet end of the liquid storage tank. According to the novel hydrogen fuel cell stack shell structure disclosed by the utility model, the whole device can dissipate heat in time, the stability of the device during operation is improved, the practicability of the whole device is improved, and a better use prospect is brought.

Description

Technical Field

[0001] The utility model relates to the technical field of hydrogen fuel cells, in particular to a novel hydrogen fuel cell stack shell structure. Background Art

[0002] Compared with pure electric vehicles, hydrogen fuel cell vehicles have advantages such as short refueling time and long driving range, and are one of the important directions for future automobile development;

[0003] In a fuel cell system, it is usually necessary to encapsulate the fuel cell stack in a sealed housing to protect the stack. For example, a Chinese patent discloses a fuel cell stack housing (grant announcement number CN218414672U). This patented technology can improve the utilization rate of the internal space of the housing by arranging the first purge pipe in the cavity, thereby improving the integration of the fuel cell system.

[0004] However, the above disclosed stack housing still has some defects when in use: when in use, the device cannot stably and conveniently encapsulate the battery stack, nor can it cool down the temperature of the housing, which results in the inability to cool down the inside of the housing in time, thereby affecting the service life of the hydrogen fuel cell stack. Therefore, those skilled in the art provide a new hydrogen fuel cell stack housing structure to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a novel hydrogen fuel cell stack shell structure to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A novel hydrogen fuel cell stack shell structure comprises a shell body, a fixing component is arranged inside the shell body, and a cooling component is arranged outside the shell body;

[0008] The fixing assembly comprises fixing covers symmetrically mounted on both sides of the interior of the housing body, and the fixing covers are provided with a clamping mechanism;

[0009] The cooling component includes a serpentine cooling tube embedded and installed on the four sides of the inner wall of the shell body, the liquid outlet end of the serpentine cooling tube is installed with a liquid outlet pipe, the liquid outlet end of the liquid outlet pipe is installed with a filter cartridge, the outer middle section of the liquid outlet pipe is installed with a first pump body, the liquid outlet end of the filter cartridge is installed with a liquid storage tank, the liquid outlet end of the liquid storage tank is installed with a cooling box, the top of the cooling box is installed with a liquid injection nozzle, the liquid outlet end of the cooling box is installed with a liquid inlet pipe, and the liquid outlet end of the liquid inlet pipe is connected with the liquid inlet end of the serpentine cooling tube, the outer middle section of the liquid inlet pipe is installed with a second pump body, and a heat dissipation mechanism is arranged inside the cooling box.

[0010] As a further solution of the utility model: the clamping mechanism includes clamping plates symmetrically installed on the four sides of the two fixed covers, two connecting sliders are symmetrically installed on the bottom of each clamping plate, and locking screw holes are symmetrically etched inside the fixed cover and the shell body.

[0011] As a further solution of the utility model: matching connecting grooves are provided at positions corresponding to the connecting sliders inside the two fixed covers, and matching pushing springs are installed at positions corresponding to the connecting grooves inside the two fixed covers.

[0012] As a further solution of the utility model: the heat dissipation mechanism includes a radiator installed inside the cooling box, and a connecting cover is detachably installed on the outside of the cooling box.

[0013] As a further solution of the utility model: protective nets are symmetrically installed on both sides of the interior of the connection cover, and cooling fans are installed at positions of the interior of the connection cover corresponding to the protective nets.

[0014] As a further solution of the utility model: the liquid inlet end of the radiator is connected with the liquid outlet end of the filter cartridge, and the liquid outlet end of the radiator is connected with the liquid inlet end of the liquid inlet pipe.

[0015] As a further solution of the utility model: the top of the filter cartridge is threadedly connected with a cartridge cover, a filter mesh sleeve is arranged in the middle of the interior of the filter cartridge, adsorbent carbon is installed inside the filter mesh sleeve, and a sealing gasket is fixedly installed at the top end of the filter mesh sleeve.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. A new type of hydrogen fuel cell stack shell structure. When in use, the battery stack is placed on the inner side of the shell body, and the upper and lower sides of the battery stack at the bottom of the fixed cover are supported by the pushing spring at the connecting slide groove. The battery stack can be clamped and fixed by the clamping plate, so that the stability during installation is better than the traditional method.

[0018] 2. A new type of hydrogen fuel cell stack shell structure, which discharges the coolant in the injection nozzle into the serpentine cooling tube through the liquid inlet pipe and the second pump body, cools the battery through the serpentine cooling tube, discharges the used coolant into the filter cartridge through the first pump body and the liquid outlet pipe, and then filters it through the combination of the filter mesh sleeve and the adsorbed carbon, thereby realizing the recycling of the coolant and improving the effect during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a novel hydrogen fuel cell stack shell structure;

[0020] Figure 2 It is a structural schematic diagram of a fixed cover in a novel hydrogen fuel cell stack shell structure;

[0021] Figure 3 It is a structural schematic diagram of a cooling box in a novel hydrogen fuel cell stack shell structure;

[0022] Figure 4 This is a schematic diagram of the structure of a filter cartridge in a new type of hydrogen fuel cell stack shell structure.

[0023] In the figure: 1. Shell body; 2. Fixed cover; 3. Serpentine cooling pipe; 4. Liquid outlet pipe; 5. First pump body; 6. Filter cartridge; 7. Liquid storage tank; 8. Liquid injection nozzle; 9. Cooling tank; 10. Liquid inlet pipe; 11. Second pump body; 12. Locking screw hole; 13. Clamping plate; 14. Connecting slide groove; 15. Connecting slider; 16. Pushing spring; 17. Connecting cover; 18. Protective net; 19. Cooling fan; 20. Radiator; 21. Cylinder cover; 22. Filter mesh sleeve; 23. Adsorbed carbon; 24. Sealing gasket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] See also Figures 1 to 4 In an embodiment of the utility model, a novel hydrogen fuel cell stack shell structure includes a shell body 1, a fixing component is arranged inside the shell body 1, and a cooling component is arranged outside the shell body 1;

[0026] The fixing assembly includes a fixing cover 2 symmetrically installed on both sides of the housing body 1, and the fixing cover 2 is provided with a clamping mechanism;

[0027] The cooling component includes a serpentine cooling tube 3 embedded and installed on four sides of the inner wall of the shell body 1, a liquid outlet pipe 4 is installed at the liquid outlet end of the serpentine cooling tube 3, a filter cartridge 6 is installed at the liquid outlet end of the liquid outlet pipe 4, a first pump body 5 is installed at the outer middle section of the liquid outlet pipe 4, a liquid storage tank 7 is installed at the liquid outlet end of the filter cartridge 6, a cooling box 9 is installed at the liquid outlet end of the liquid storage tank 7, a liquid injection nozzle 8 is installed at the top of the cooling box 9, a liquid inlet pipe 10 is installed at the liquid outlet end of the cooling box 9, and the liquid outlet end of the liquid inlet pipe 10 is connected to the liquid inlet end of the serpentine cooling tube 3, a second pump body 11 is installed at the outer middle section of the liquid inlet pipe 10, and a heat dissipation mechanism is arranged inside the cooling box 9;

[0028] The heat dissipation mechanism includes a radiator 20 installed inside the cooling box 9, a connection cover 17 is detachably installed outside the cooling box 9, and protective nets 18 are symmetrically installed on both sides of the connection cover 17. A heat dissipation fan 19 is installed at the position of the connection cover 17 corresponding to the protective net 18. The liquid inlet end of the radiator 20 is connected with the liquid outlet end of the filter cartridge 6, and the liquid outlet end of the radiator 20 is connected with the liquid inlet end of the liquid inlet pipe 10. The top of the filter cartridge 6 is threadedly connected with a cylinder cover 21, and a filter screen sleeve 22 is arranged in the middle of the filter cartridge 6. The filter screen sleeve 22 is equipped with an adsorbent carbon 23. A sealing gasket 24 is fixedly installed at the top end of the filter mesh sleeve 22. The coolant in the injection nozzle 8 is discharged into the serpentine cooling tube 3 through the liquid inlet pipe 10 and the second pump body 11. The battery is cooled by the serpentine cooling tube 3. The used coolant is discharged into the filter cylinder 6 through the first pump body 5 and the liquid outlet pipe 4, and then filtered through the filter mesh sleeve 22 and the adsorbent carbon 23. The temperature of the coolant is dissipated by the radiator 20 in the cooling box 9, and the heat is dissipated in cooperation with the cooling fan 19, so that the coolant can be recycled and the effect during use can be improved.

[0029] exist Figure 2 Middle: The clamping mechanism includes clamping plates 13 symmetrically installed on four sides of the two fixed covers 2, two connecting sliders 15 are symmetrically installed at the bottom of each clamping plate 13, and locking screw holes 12 are symmetrically etched inside the fixed cover 2 and the shell body 1.

[0030] exist Figure 1-2 Middle: Matching connecting grooves 14 are provided at the positions of the connecting sliders 15 inside the two fixed covers 2, and matching pushing springs 16 are installed at the positions of the connecting grooves 14 inside the two fixed covers 2. The battery stack is placed on the inner side of the shell body 1, and the upper and lower sides of the battery stack at the bottom of the fixed cover 2 are supported by the pushing springs 16 at the connecting grooves 14 to support the connecting sliders 15. The battery stack can be clamped and fixed by the clamping plate 13, so as to ensure stability during installation.

[0031] The working principle of the utility model is as follows: when in use, the battery stack is placed on the inner side of the shell body 1, and the upper and lower sides of the battery stack at the bottom of the fixed cover 2 are supported by the push spring 16 at the connecting slide groove 14 to support the connecting slide block 15, so that the battery stack can be clamped and fixed by the clamping plate 13, so as to ensure stability during installation, and the coolant in the injection nozzle 8 is discharged into the serpentine cooling tube 3 through the liquid inlet pipe 10 and the second pump body 11, and the battery is cooled through the serpentine cooling tube 3, and the used coolant is discharged into the filter cylinder 6 through the first pump body 5 and the liquid outlet pipe 4, and then filtered through the cooperation of the filter mesh sleeve 22 and the adsorbed carbon 23, and then the temperature of the coolant is dissipated through the radiator 20 in the cooling box 9, and the heat is dissipated in cooperation with the cooling fan 19, so that the coolant can be recycled, the effect during use is improved, and it is convenient for users to use, which is more practical.

Claims

1. A novel hydrogen fuel cell stack casing structure, comprising a casing body (1), characterized in that: A fixing component is arranged inside the shell body (1), and a cooling component is arranged outside the shell body (1); The fixing assembly comprises fixing covers (2) symmetrically mounted on both sides of the interior of the housing body (1), and the fixing covers (2) are provided with a clamping mechanism; The cooling component comprises a serpentine cooling tube (3) mounted on four sides of the inner wall of the shell body (1); a liquid outlet pipe (4) is mounted on the liquid outlet end of the serpentine cooling tube (3); a filter cartridge (6) is mounted on the liquid outlet end of the liquid outlet pipe (4); a first pump body (5) is mounted on the outer middle section of the liquid outlet pipe (4); a liquid storage tank (7) is mounted on the liquid outlet end of the filter cartridge (6); a cooling box (9) is mounted on the liquid outlet end of the liquid storage tank (7); a liquid injection nozzle (8) is mounted on the top of the cooling box (9); a liquid inlet pipe (10) is mounted on the liquid outlet end of the cooling box (9); the liquid outlet end of the liquid inlet pipe (10) is connected to the liquid inlet end of the serpentine cooling tube (3); a second pump body (11) is mounted on the outer middle section of the liquid inlet pipe (10); and a heat dissipation mechanism is arranged inside the cooling box (9).

2. A novel hydrogen fuel cell stack shell structure according to claim 1, characterized in that: The clamping mechanism comprises clamping plates (13) symmetrically mounted on four sides of the two fixed covers (2), two connecting sliders (15) are symmetrically mounted on the bottom of each clamping plate (13), and locking screw holes (12) are symmetrically etched on the inside of the fixed covers (2) and the shell body (1).

3. A novel hydrogen fuel cell stack shell structure according to claim 2, characterized in that: Matching connection slide grooves (14) are provided at positions corresponding to the connection slide blocks (15) inside the two fixed covers (2), and matching push springs (16) are installed at positions corresponding to the connection slide grooves (14) inside the two fixed covers (2).

4. A novel hydrogen fuel cell stack shell structure according to claim 1, characterized in that: The heat dissipation mechanism comprises a radiator (20) installed inside a cooling box (9), and a connection cover (17) is detachably installed outside the cooling box (9).

5. A novel hydrogen fuel cell stack casing structure according to claim 4, characterized in that: Protection nets (18) are symmetrically installed on both sides of the interior of the connection cover (17), and cooling fans (19) are installed at positions inside the connection cover (17) corresponding to the protection nets (18).

6. A novel hydrogen fuel cell stack casing structure according to claim 5, characterized in that: The liquid inlet end of the radiator (20) is connected to the liquid outlet end of the filter cartridge (6), and the liquid outlet end of the radiator (20) is connected to the liquid inlet end of the liquid inlet pipe (10).

7. A novel hydrogen fuel cell stack casing structure according to claim 1, characterized in that: The top of the filter cartridge (6) is threadedly connected to a cartridge cover (21), a filter mesh sleeve (22) is provided in the middle of the interior of the filter cartridge (6), adsorbent carbon (23) is installed inside the filter mesh sleeve (22), and a sealing gasket (24) is fixedly installed at the top end of the filter mesh sleeve (22).

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