Detachable fuel cell stack heat preservation box body

Abstract

The utility model relates to a detachable fuel cell stack heat preservation box, which belongs to the technical field of fuel cells, and comprises a heat preservation base, a hollow heat preservation coaming mounted on the heat preservation base, and a heat preservation top cover mounted at the top end of the heat preservation coaming, the heat preservation base comprises a base bottom plate, a heat preservation bottom plate installed on the upper side of the base bottom plate and a base side plate which is arranged on the outer side of the heat preservation bottom plate and used for the outer side of the heat preservation coaming to abut against. The top of the heat preservation bottom plate is provided with a limiting base used for allowing the bottom of the heat preservation coaming to abut against. A lower locking assembly is arranged between the heat preservation coaming and the base side plate. The heat preservation top cover comprises a hollow top cover shell and a top heat preservation block arranged in the top cover shell. An upper locking assembly is further arranged between the top cover shell and the heat preservation coaming. The fuel cell stack has the effect that the fuel cell stack is convenient to replace and maintain.

Description

Technical Field

[0001] This utility model relates to the field of fuel cell technology, and in particular to a detachable fuel cell stack insulation box. Background Technology

[0002] A fuel cell is a power generation device that directly converts the chemical energy of fuel and oxidant into electrical energy through an electrochemical reaction. It has wide applications in industries such as automotive, power generation, shipbuilding, aerospace, and home power supplies.

[0003] The core working principle of a fuel cell stack is to directly convert the chemical energy of fuel (such as hydrogen, methanol, etc.) and oxidant (such as oxygen) into electrical energy through an electrochemical reaction. In existing technologies, to maintain a suitable temperature and improve the hydrogen-oxygen electrochemical reaction rate, the fuel cell stack typically needs to be placed in a constant-temperature environment provided by a heating furnace. However, because the heating furnace is an integrated design, and the fuel cell stack requires regular replacement and maintenance, the disassembly process is complex and difficult, significantly increasing the operational complexity.

[0004] In view of the above-mentioned technologies, in order to facilitate the replacement and maintenance of fuel cell stacks, the inventors believe that it is necessary to provide a detachable fuel cell stack insulation box. Utility Model Content

[0005] To facilitate the replacement and maintenance of fuel cell stacks, this application provides a detachable fuel cell stack insulation enclosure.

[0006] This application provides a detachable fuel cell stack insulation box, which adopts the following technical solution:

[0007] A detachable fuel cell stack insulation enclosure includes an insulation base, a hollow insulation panel mounted on the insulation base, and an insulation top cover mounted on the top of the insulation panel. The insulation base includes a base bottom plate, an insulation bottom plate mounted on the upper side of the base bottom plate, and a base side plate disposed on the outer side of the insulation bottom plate for the outer side of the insulation panel to abut against. The top of the insulation bottom plate has a limiting seat for the bottom of the insulation panel to abut against. A lower locking assembly is provided between the insulation panel and the base side plate. The insulation top cover includes a hollow top cover shell and a top insulation block disposed within the top cover shell. An upper locking assembly is also provided between the top cover shell and the insulation panel.

[0008] By adopting the above technical solution, the insulation base plate of the insulation base and the top insulation block of the insulation top cover play a role in heat preservation, which helps the fuel cell stack maintain a suitable reaction temperature. The limiting seat of the insulation base can limit the insulation enclosure plate, making the insulation enclosure plate installation more stable. At the same time, the lower locking component and the upper locking component lock the insulation enclosure plate to the base side plate and the top cover shell to the insulation enclosure plate, respectively, ensuring the stability of the entire insulation box structure. In addition, the insulation base, insulation enclosure plate and insulation top cover adopt a detachable design, which facilitates the replacement and maintenance of the fuel cell stack.

[0009] Optionally, the insulation panel includes two first side panels arranged opposite each other and two second side panels arranged between the first side panels and opposite each other; two sets of side locking components are provided between adjacent first side panels and second side panels, the two sets of side locking components are arranged symmetrically from top to bottom, and the side locking components include side lock hook seats arranged on the side of the first side panel and side lock buckle components arranged on the outer surface of the second side panel and cooperating with the side lock hook seats.

[0010] By adopting the above technical solution, the specific structure of the thermal insulation enclosure is disclosed. The structure consists of two first side panels and two second side panels, which facilitates the assembly and disassembly of the thermal insulation enclosure. Two sets of symmetrical side locking components are set between adjacent first and second side panels. By using the side locking hook seat and the side locking buckle assembly, the adjacent side panels can be effectively fixed, ensuring the stability of the thermal insulation enclosure structure, while also facilitating the connection and separation of various parts of the enclosure.

[0011] Optionally, the upper locking assembly includes an upper locking hook seat disposed on the lower side of the outer surface of the top cover housing and an upper locking buckle assembly disposed on the outer surface of the insulation panel and cooperating with the upper locking hook seat.

[0012] By adopting the above technical solution, the specific structure of the upper locking component is disclosed. This structure, through the cooperation of the upper locking hook seat and the upper locking buckle component, can reliably connect the insulation top cover and the insulation enclosure, making the insulation box structure more stable and improving the overall sealing and insulation performance.

[0013] Optionally, the lower locking assembly includes a lower locking hook seat disposed on the upper side of the outer surface of the base side plate and a lower locking buckle assembly disposed on the outer surface of the insulation panel and cooperating with the lower locking hook seat.

[0014] By adopting the above technical solution, the specific structure of the lower locking component is disclosed. This structure, through the cooperation of the lower locking hook seat and the lower locking buckle component, can reliably connect the base side plate and the insulation enclosure of the insulation base, making the insulation box structure more stable and improving the overall sealing and insulation performance.

[0015] Optionally, the top surface of the top cover housing is provided with four top handles, which are arranged in an array of two columns and two rows.

[0016] By adopting the above technical solution, four top handles arranged in two rows and two columns are set on the top surface of the top cover shell, which facilitates the handling and installation of the insulated top cover.

[0017] Optionally, the outer surface of the first side plate is provided with four first handles; the four first handles are arranged in an array of two columns and two rows; the outer surface of the second side plate is provided with four second handles; the four second handles are arranged in an array of two columns and two rows.

[0018] By adopting the above technical solution, four first handles and four second handles are respectively arranged in two rows and two columns on the outer surface of the first side plate and the second side plate, which facilitates the operation of operators to move and install the first side plate and the second side plate of the insulation enclosure, and further reduces the difficulty of disassembling and assembling the insulation box during the replacement and maintenance of fuel cell stacks.

[0019] Optionally, the top insulation block includes a first insulation part, a second insulation part, and a third insulation part from top to bottom. The cross-sectional dimensions of the first insulation part, the second insulation part, and the third insulation part gradually decrease. The top cover shell is wrapped around the outer surface of the first insulation part and the second insulation part. The top cover shell has a top opening for the third insulation part to extend out.

[0020] By adopting the above technical solution, the specific structure of the top insulation block is disclosed. This structure comprises a multi-layered insulation structure consisting of a first insulation section, a second insulation section, and a third insulation section, thereby improving insulation performance. The cross-sectional dimensions of each insulation section decrease progressively, and the third insulation section extends beyond the top cover shell, which facilitates the installation of the insulation top cover, improves sealing performance, and thus enhances the insulation effect.

[0021] Optionally, the first side plate includes a first side plate shell and a first side plate insulation block disposed within the first side plate shell; the first side plate insulation block includes a fourth insulation part, a fifth insulation part and a sixth insulation part from the outside to the inside, the cross-sectional dimensions of the fourth insulation part and the fifth insulation part gradually decrease, the first side plate shell wraps around the outer surface of the fourth insulation part and the fifth insulation part, and the first side plate shell has a top opening for the sixth insulation part to extend out.

[0022] By adopting the above technical solution, the specific structure of the first side panel insulation block is disclosed. This structure comprises a multi-layered insulation structure consisting of a fourth, fifth, and sixth insulation section, which improves insulation performance. The cross-sectional dimensions of each insulation section gradually decrease, and the sixth insulation section extends beyond the first side panel shell, facilitating the installation of the first side panel and improving sealing performance, thereby further enhancing the insulation effect.

[0023] Optionally, the second side plate includes a second side plate shell and a second side plate insulation block disposed within the second side plate shell; the second side plate insulation block includes a seventh insulation part, an eighth insulation part and a ninth insulation part from the outside to the inside, the cross-sectional dimensions of the seventh insulation part and the eighth insulation part gradually decrease, the second side plate shell wraps around the outer surface of the seventh insulation part and the eighth insulation part, and the second side plate shell has a top opening for the ninth insulation part to extend out.

[0024] By adopting the above technical solution, the specific structure of the second side panel insulation block is disclosed. This structure comprises a multi-layered insulation structure consisting of a seventh, eighth, and ninth insulation section, which improves insulation performance. The cross-sectional dimensions of each insulation section decrease progressively, and the ninth insulation section extends beyond the top cover shell, facilitating the installation of the second side panel and improving sealing performance, thereby further enhancing the insulation effect.

[0025] Optionally, the top of the insulation base plate is further provided with a support assembly for placing the fuel cell stack; the support assembly includes a support base plate and a support column installed at the bottom of the support base plate.

[0026] By adopting the above technical solution, a suspended support component is set on the top of the heat-insulating base plate, which can provide uniform heat distribution for the fuel cell stack, and the support column and the support base plate can ensure that the stack is placed stably.

[0027] In summary, this application includes at least one of the following beneficial technical effects:

[0028] 1. A detachable fuel cell stack insulation enclosure includes an insulation base, an insulation panel, and an insulation top cover; the insulation panel can be limited by a limiting seat on the insulation base, making the insulation panel installation more stable; at the same time, the lower locking component and the upper locking component lock the insulation panel to the base side plate and the top cover shell to the insulation panel, respectively, ensuring the stability of the entire insulation enclosure structure; in addition, the insulation base, insulation panel, and insulation top cover adopt a detachable design, which facilitates the replacement and maintenance of the fuel cell stack;

[0029] 2. By setting four top handles arranged in two rows on the top surface of the top cover shell, it is convenient to carry and install the insulated top cover;

[0030] 3. By setting a suspended support component on the top of the insulated base plate, a uniform heat distribution can be provided for the fuel cell stack, and the support column, together with the support base plate, can ensure that the stack is placed stably. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the detachable fuel cell stack insulation box in this embodiment.

[0032] Figure 2This is a cross-sectional schematic diagram of the detachable fuel cell stack insulation box in this embodiment.

[0033] Figure 3 This is a schematic diagram of the lower locking component in this embodiment.

[0034] Figure 4 yes Figure 2 A magnified view of a portion of point A in the middle.

[0035] Figure 5 This is a partial cross-sectional schematic diagram of the detachable fuel cell stack insulation box in this embodiment.

[0036] Figure 6 This is a schematic diagram of the side locking component in this embodiment.

[0037] Figure 7 This is a schematic diagram of the upper locking component in this embodiment.

[0038] Explanation of reference numerals in the attached drawings: 1. Insulation base; 11. Base bottom plate; 12. Insulation bottom plate; 13. Base side plate; 14. Limiting seat; 2. Insulation enclosure; 21. First side plate; 211. First side plate shell; 212. First side plate insulation block; 2121. Fourth insulation section; 2122. Fifth insulation section; 2123. Sixth insulation section; 213. First handle; 22. Second side plate; 221. Second side plate shell; 222. Second side plate insulation block; 2221. Seventh insulation section; 2222. Eighth insulation section; 2223. Ninth insulation section; 223. Second handle; 3. Insulation top cover; 31. Top cover shell; 311. Top handle; 32 1. Top insulation block; 321. First insulation section; 322. Second insulation section; 323. Third insulation section; 4. Lower locking assembly; 41. Lower locking hook seat; 42. Lower locking buckle assembly; 421. Lower locking buckle base; 422. Lower locking buckle; 423. Lower handle; 5. Side locking assembly; 51. Side locking hook seat; 52. Side locking buckle assembly; 521. Side locking buckle base; 522. Side locking buckle; 523. Side handle; 6. Upper locking assembly; 61. Upper locking hook seat; 62. Upper locking buckle assembly; 621. Upper locking buckle base; 622. Upper locking buckle; 623. Upper handle; 7. Support assembly; 71. Support base plate; 72. Support column; 8. Fuel cell stack. Detailed Implementation

[0039] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0040] This application discloses a detachable fuel cell stack insulation housing. (Refer to...) Figure 1A detachable fuel cell stack insulation enclosure includes an insulation base 1, a hollow insulation panel 2, and an insulation top cover 3. The fuel cell stack 8 requires a suitable temperature to improve reaction efficiency during the hydrogen-oxygen electrochemical reaction. In this insulation enclosure, the insulation panel 2 is mounted on the insulation base 1, and the insulation top cover 3 covers the top of the insulation panel 2. The three components together form a closed space, effectively insulating the fuel cell stack 8. The detachable design facilitates the replacement and maintenance of the fuel cell stack 8.

[0041] Reference Figure 2 The insulation base 1 includes a base plate 11, an insulation base plate 12 mounted on the upper side of the base plate 11, and a base side plate 13 disposed on the outer side of the insulation base plate 12 for the outer side of the insulation enclosure 2 to abut against. The top of the insulation base plate 12 has a limiting seat 14, which is a protruding structure surrounding the edge of the insulation base plate 12, allowing the bottom of the insulation enclosure 2 to abut against, thereby accurately positioning the insulation enclosure 2 and preventing displacement during installation. Furthermore, the base side plate 13 is fixed to the base plate 11 with screws, further ensuring the stability of the structure.

[0042] Reference Figure 1 and Figure 3 A lower locking assembly 4 is provided between the insulation enclosure 2 and the base side plate 13. The lower locking assembly 4 includes a lower locking hook seat 41 disposed on the upper side of the outer surface of the base side plate 13 and a lower locking buckle assembly 42 disposed on the outer surface of the insulation enclosure 2 and cooperating with the lower locking hook seat 41. Through the cooperation of the lower locking hook seat 41 and the lower locking buckle assembly 42, the base side plate 13 and the insulation enclosure 2 of the insulation base 1 can be reliably connected. In this embodiment, the lower locking buckle assembly 42 adopts an adjustable buckle clamp, the structure of which includes a lower locking buckle base 421, a lower locking buckle 422 installed on the lower locking buckle base 421, and a lower handle 423 for controlling the rotation of the lower locking buckle 422. The lower locking hook seat 41 is fixed to the upper outer surface of the base side plate 13 with screws. The lower locking buckle base 421 is fixed to the lower outer surface of the insulation enclosure 2 with screws. The lower locking buckle 422 and the lower handle 423 for controlling the rotation of the lower locking buckle 422 are installed on the lower locking buckle base 421. By driving the lower handle 423, the lower locking buckle 422 is rotated, causing the lower locking buckle 422 to engage with the locking hook of the lower locking hook seat 41. After engagement, the base side plate 13 and the insulation enclosure 2 can be detachably connected.

[0043] Reference Figure 1 The insulation panel 2 includes two first side panels 21 arranged opposite each other and two second side panels 22 arranged between the first side panels 21 and opposite each other.

[0044] Reference Figure 2 and Figure 4The first side panel 21 includes a first side panel shell 211 and a first side panel insulation block 212 disposed within the first side panel shell 211. The first side panel insulation block 212 includes, from the outside to the inside, a fourth insulation portion 2121, a fifth insulation portion 2122, and a sixth insulation portion 2123. The cross-sectional dimensions of the fourth insulation portion 2121 and the fifth insulation portion 2122 gradually decrease. The first side panel shell 211 wraps around the outer surfaces of the fourth insulation portion 2121 and the fifth insulation portion 2122. The first side panel shell 211 has a top opening for the sixth insulation portion 2123 to extend out. This structure, consisting of the fourth insulation portion 2121, the fifth insulation portion 2122, and the sixth insulation portion 2123, forms a multi-layered insulation structure, improving insulation performance. The cross-sectional dimensions of each insulation section gradually decrease, and the sixth insulation section 2123 extends out of the first side plate shell 211, which facilitates the installation of the first side plate 21 and improves the sealing performance, thereby enhancing the insulation effect. In this embodiment, the first side plate insulation block 212 is made of vacuum insulation board material, which makes its insulation effect even better.

[0045] Reference Figure 5 The second side panel 22 includes a second side panel housing 221 and a second side panel insulation block 222 disposed within the second side panel housing 221. The second side panel insulation block 222, from the outside to the inside, includes a seventh insulation section 2221, an eighth insulation section 2222, and a ninth insulation section 2223. The cross-sectional dimensions of the seventh and eighth insulation sections 2221 gradually decrease. The second side panel housing 221 wraps around the outer surfaces of the seventh and eighth insulation sections 2222, and has a top opening for the ninth insulation section 2223 to extend out. This structure, consisting of the seventh, eighth, and ninth insulation sections 2221 and 2223, forms a multi-layered insulation structure, improving insulation performance. The decreasing cross-sectional dimensions of each insulation section and the ninth insulation section 2223 extending out of the top cover housing 31 facilitate the installation of the second side panel 22 and improve sealing performance, thereby enhancing the insulation effect. In this embodiment, the second side plate insulation block 222 is made of vacuum insulation board insulation material, which makes its insulation effect better.

[0046] Reference Figure 1 and Figure 6Two sets of side locking components 5 are provided between adjacent first side panels 21 and second side panels 22, and the two sets of side locking components 5 are arranged symmetrically vertically. The side locking components 5 include a side lock hook seat 51 arranged on the side of the first side panel 21 and a side lock buckle assembly 52 arranged on the outer surface of the second side panel 22 and cooperating with the side lock hook seat 51. Through the cooperation of the side lock hook seat 51 and the side lock buckle assembly 52, adjacent side panels can be effectively fixed, ensuring the stability of the insulation panel 2 structure, and facilitating the connection and separation of various parts of the panel. In this embodiment, the side lock buckle assembly 52 adopts an adjustable buckle clamp, the structure of which includes a side lock buckle base 521, a side lock buckle 522 installed on the side lock buckle base 521, and a side handle 523 for controlling the rotation of the side lock buckle 522. The side lock hook seat 51 is fixed to the side of the first side plate 21 by screws, and the side lock buckle base 521 is fixed to the outer surface of the second side plate 22 by screws. The side lock buckle 522 and the side handle 523 for controlling the rotation of the side lock buckle 522 are installed on the side lock buckle base 521. By driving the side handle 523, the side lock buckle 522 is rotated, so that the side lock buckle 522 is engaged in the lock hook of the side lock hook seat 51. After the engagement is completed, the first side plate 21 and the second side plate 22 can be detachably connected.

[0047] Reference Figure 2 The insulated top cover 3 includes a hollow top cover shell 31 and a top insulation block 32 arranged inside the top cover shell 31. The top insulation block 32 includes, from top to bottom, a first insulation section 321, a second insulation section 322, and a third insulation section 323. The cross-sectional dimensions of the first insulation section 321, the second insulation section 322, and the third insulation section 323 gradually decrease. The top cover shell 31 wraps around the outer surfaces of the first insulation section 321 and the second insulation section 322, and the top cover shell 31 has a top opening for the third insulation section 323 to extend out. This structure, consisting of the first insulation section 321, the second insulation section 322, and the third insulation section 323, forms a multi-layered insulation structure, improving insulation performance. The decreasing cross-sectional dimensions of each insulation section and the fact that the third insulation section 323 extends out of the top cover shell 31 facilitate the installation of the insulated top cover 3, improve sealing performance, and thus enhance the insulation effect. In this embodiment, the top insulation block 32 is made of vacuum insulation board material, which makes its insulation effect better.

[0048] Reference Figure 1 and Figure 7An upper locking assembly 6 is also provided between the top cover shell 31 and the insulation enclosure 2. The upper locking assembly 6 includes an upper locking hook seat 61 disposed on the lower side of the outer surface of the top cover shell 31 and an upper locking buckle assembly 62 disposed on the outer surface of the insulation enclosure 2 and cooperating with the upper locking hook seat 61. Through the cooperation of the upper locking hook seat 61 and the upper locking buckle assembly 62, the insulation top cover 3 and the insulation enclosure 2 can be reliably connected. In this embodiment, the upper locking buckle assembly 62 adopts an adjustable buckle clamp, the structure of which includes an upper locking buckle base 621, an upper locking buckle 622 installed on the upper locking buckle base 621, and an upper handle 623 for controlling the rotation of the upper locking buckle 622. The locking hook seat 61 is fixed to the lower side of the outer surface of the top cover housing 31 by screws. The locking buckle base 621 is fixed to the upper side of the outer surface of the insulation panel 2 by screws. The locking buckle 622 and the upper handle 623 for controlling the rotation of the locking buckle 622 are installed on the locking buckle base 621. By driving the upper handle 623, the locking buckle 622 is rotated, so that the locking buckle 622 is engaged in the locking hook of the locking hook seat 61. After the engagement is completed, the top cover housing 31 and the insulation panel 2 can be detachably connected.

[0049] Reference Figure 1 To facilitate the handling and disassembly of the insulated box by operators, four top handles 311 are provided on the top surface of the top cover shell 31, and the four top handles 311 are arranged in an array of two columns and two rows; four first handles 213 are provided on the outer surface of the first side plate 21, and the four first handles 213 are arranged in an array of two columns and two rows; four second handles 223 are provided on the outer surface of the second side plate 22, and the four second handles 223 are arranged in an array of two columns and two rows.

[0050] Reference Figure 2 To facilitate the placement of the fuel cell stack 8 inside the insulated housing, a support assembly 7 for placing the fuel cell stack 8 is also provided on the top of the insulated base plate 12. The support assembly 7 includes a support base plate 71 and support columns 72 installed on the top of the insulated base plate 12. The suspended support assembly 7 on the top of the insulated base plate 12 provides uniform heat distribution for the fuel cell stack 8, and the support columns 72, in conjunction with the support base plate 71, ensure the fuel cell stack 8 is placed stably. In this embodiment, there are five support columns 72, welded to the four corners and center of the support base plate 71 respectively. This design evenly distributes the load, allowing the support base plate 71 to be firmly fixed to the insulated base 1.

[0051] The implementation principle of a detachable fuel cell stack 8 insulation box according to an embodiment of this application is as follows: A detachable fuel cell stack 8 insulation box includes an insulation base 1, an insulation enclosure 2, and an insulation top cover 3. The insulation enclosure 2 can be limited by the limiting seat 14 of the insulation base 1, making the insulation enclosure 2 more stable. At the same time, the lower locking component 4 and the upper locking component 6 respectively lock the insulation enclosure 2 to the base side plate 13 and the top cover shell 31 to the insulation enclosure 2, ensuring the stability of the entire insulation box structure. In addition, the insulation base 1, the insulation enclosure 2, and the insulation top cover 3 adopt a detachable design, which facilitates the replacement and maintenance of the fuel cell stack 8.

[0052] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A detachable fuel cell stack insulation box, characterized in that, The system includes an insulation base (1), a hollow insulation enclosure (2) installed on the insulation base (1), and an insulation top cover (3) installed on the top of the insulation enclosure (2); the insulation base (1) includes a base bottom plate (11), an insulation bottom plate (12) installed on the upper side of the base bottom plate (11), and a base side plate (13) arranged on the outer side of the insulation bottom plate (12) for the outer side of the insulation enclosure (2) to abut against; the insulation bottom plate (12) has a limiting seat (14) at the top for the bottom of the insulation panel (2) to abut against; a lower locking assembly (4) is provided between the insulation panel (2) and the base side plate (13); the insulation top cover (3) includes a hollow top cover shell (31) and a top insulation block (32) arranged in the top cover shell (31); an upper locking assembly (6) is also provided between the top cover shell (31) and the insulation panel (2).

2. The detachable fuel cell stack insulation box according to claim 1, characterized in that, The insulation panel (2) includes two first side panels (21) arranged opposite to each other and two second side panels (22) arranged between the first side panels (21) and opposite to each other; two sets of side locking components (5) are provided between adjacent first side panels (21) and second side panels (22), the two sets of side locking components (5) are arranged symmetrically up and down, the side locking components (5) include a side lock hook seat (51) arranged on the side of the first side panel (21) and a side lock buckle assembly (52) arranged on the outer surface of the second side panel (22) and cooperating with the side lock hook seat (51).

3. The detachable fuel cell stack insulation box according to claim 1, characterized in that, The upper locking assembly (6) includes an upper locking hook seat (61) disposed on the lower side of the outer surface of the top cover housing (31) and an upper locking buckle assembly (62) disposed on the outer surface of the insulation panel (2) and cooperating with the upper locking hook seat (61).

4. The detachable fuel cell stack insulation box according to claim 1, characterized in that, The lower locking assembly (4) includes a lower locking hook seat (41) disposed on the upper side of the outer surface of the base side plate (13) and a lower locking buckle assembly (42) disposed on the outer surface of the insulation panel (2) and cooperating with the lower locking hook seat (41).

5. The detachable fuel cell stack insulation box according to claim 1, characterized in that, The top surface of the top cover housing (31) is provided with four top handles (311), which are arranged in an array of two columns and two rows.

6. A detachable fuel cell stack insulation box according to claim 2, characterized in that, The outer surface of the first side plate (21) is provided with four first handles (213); the four first handles (213) are arranged in an array of two columns and two rows; the outer surface of the second side plate (22) is provided with four second handles (223); the four second handles (223) are arranged in an array of two columns and two rows.

7. The detachable fuel cell stack insulation box according to claim 1, characterized in that, The top insulation block (32) includes a first insulation part (321), a second insulation part (322) and a third insulation part (323) from top to bottom. The cross-sectional dimensions of the first insulation part (321), the second insulation part (322) and the third insulation part (323) gradually decrease. The top cover shell (31) is wrapped around the outer surface of the first insulation part (321) and the second insulation part (322). The top cover shell (31) has a top opening for the third insulation part (323) to extend out.

8. A detachable fuel cell stack insulation box according to claim 2, characterized in that, The first side plate (21) includes a first side plate shell (211) and a first side plate insulation block (212) arranged inside the first side plate shell (211); the first side plate insulation block (212) includes a fourth insulation part (2121), a fifth insulation part (2122) and a sixth insulation part (2123) from the outside to the inside. The cross-sectional dimensions of the fourth insulation part (2121) and the fifth insulation part (2122) gradually decrease. The first side plate shell (211) is wrapped around the outer surface of the fourth insulation part (2121) and the fifth insulation part (2122). The first side plate shell (211) has a top opening for the sixth insulation part (2123) to extend out.

9. A detachable fuel cell stack insulation box according to claim 2, characterized in that, The second side plate (22) includes a second side plate housing (221) and a second side plate insulation block (222) arranged inside the second side plate housing (221); the second side plate insulation block (222) includes a seventh insulation part (2221), an eighth insulation part (2222) and a ninth insulation part (2223) from the outside to the inside. The cross-sectional dimensions of the seventh insulation part (2221) and the eighth insulation part (2222) gradually decrease. The second side plate housing (221) is wrapped around the outer surface of the seventh insulation part (2221) and the eighth insulation part (2222). The second side plate housing (221) has a top opening for the ninth insulation part (2223) to extend out.

10. A detachable fuel cell stack insulation box according to claim 1, characterized in that, The top of the heat-insulating base plate (12) is also provided with a support assembly (7) for placing the fuel cell stack (8); the support assembly (7) includes a support base plate (71) and a support column (72) installed at the bottom of the support base plate (71).

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