Box body

Abstract

The utility model relates to a box body, and relates to the field of electronic equipment heat dissipation technology, the box body comprises a main shell, the main shell is provided with a heating concentration area and a heat dissipation area, the heating concentration area is provided with a partition plate assembly, and the partition plate assembly divides the heating concentration area into a plurality of installation spaces; a heat dissipation air channel is correspondingly formed in each mounting space; the heat dissipation area is provided with a fan assembly, the fan assembly is arranged along the peripheral side of the heating concentration area, and the fan assembly forms a plurality of wind directions at different angles towards the heating concentration area. According to the box body design, through modular layout and reasonable arrangement of the air duct and the fan assembly, the heat dissipation scheme of the high-power PCS is optimized, and the heat exchange efficiency and the space utilization rate are improved; heating areas are reasonably divided through the partition plate assembly, element layout is optimized, and space waste is avoided; uniform air circulation is ensured through flexible fan arrangement and multi-angle wind direction design, heat accumulation and local overheating are prevented, and the heat dissipation efficiency and the system stability are improved.

Description

Technical Field

[0001] This application relates to the field of heat dissipation technology for electronic devices, and in particular to a housing. Background Technology

[0002] With the widespread application of high-power power conversion systems (PCS) in the field of power electronics, improving their power density has become a key design objective. To achieve this goal, many PCS adopt a multi-layer PCBA (printed circuit board assembly) design, which can effectively improve space utilization and integrate more functions. However, this high power density design also brings problems such as uneven heat distribution and insufficient heat dissipation, especially uneven heat dissipation of internal heat-generating components, leading to challenges in system thermal management.

[0003] To address these issues, the industry typically employs multiple fans for forced heat exchange to facilitate rapid heat dissipation. While this fan-based cooling solution improves thermal management to some extent, it also presents several problems. First, multiple fans and their brackets occupy a significant amount of internal space within the enclosure, resulting in low space utilization and impacting the overall design's compactness. Second, the need to add fans in areas with high heat generation complicates the system's internal structure, increasing the number of fans and brackets and leading to a cluttered and disorganized layout that hinders effective maintenance and replacement.

[0004] Furthermore, electrical safety regulations require maintaining a certain safe distance around the fan and its mounting bracket, which further reduces space utilization and affects heat exchange efficiency. The fan arrangement cannot completely cover all heat-generating areas, potentially leading to insufficient localized heat dissipation, thus impacting system stability and long-term operational reliability.

[0005] Therefore, existing high-power PCS cooling solutions face problems such as wasted space, low heat exchange efficiency, complex internal structure, and difficulty in maintenance. A more efficient and reasonable solution is needed to optimize space utilization, improve thermal management efficiency, and reduce overall costs. Utility Model Content

[0006] To address the issues of low heat exchange efficiency and low space utilization in existing high-power PCS heat dissipation solutions, this application provides a housing.

[0007] The enclosure provided in this application adopts the following technical solution:

[0008] A housing includes a main shell, the main shell having a heat-concentrating area and a heat-dissipating area, the heat-concentrating area having a partition assembly that divides the heat-concentrating area into multiple installation spaces, and each installation space having a corresponding heat dissipation duct; the heat dissipating area having a fan assembly that is arranged along the periphery of the heat-concentrating area and forms multiple airflow directions at different angles toward the heat-concentrating area.

[0009] By adopting the above technical solutions, the cabinet design of this application optimizes the heat dissipation scheme of high-power PCS through modular layout and reasonable arrangement of air ducts and fan components, solving the problems of low heat exchange efficiency and low space utilization in traditional solutions. With the use of modular layout and partition components, the heat-generating areas are reasonably divided and arranged in an orderly manner. The design of each installation space optimizes the layout of components, avoids space waste, and improves the space utilization of the cabinet. Through flexible fan arrangement and multi-angle airflow design, it helps to ensure uniform airflow and prevents heat from not being fully dissipated in some areas due to a single airflow direction, avoiding heat accumulation or local overheating, thus improving heat dissipation efficiency. Moreover, because the heat is discharged more evenly, it also enhances the overall stability and reliability of the system.

[0010] In one specific implementation, the fan assembly includes a first fan, a second fan, and a third fan, wherein the first fan, the second fan, and the third fan are arranged along the periphery of the heat concentration area, and their airflow directions are staggered.

[0011] By adopting the above technical solution and utilizing the staggered design of each fan's airflow direction, the coverage of airflow is increased. By changing the airflow path, backflow and eddy current phenomena are avoided, making the airflow smoother and reducing the stagnation and rotation of air in local areas, thereby further improving the heat dissipation effect.

[0012] In one specific implementation, the first fan is mounted inside the main housing via a suspension bracket assembly, with a distance between the suspension bracket assembly and the bottom wall of the main housing, and the first fan is positioned directly facing the heat concentration area along a first direction.

[0013] By adopting the above technical solution, the design of the first fan facing the concentrated heat area allows the airflow to act directly on the heat-generating area, which can effectively remove heat, improve heat dissipation efficiency, ensure that air can flow efficiently through all high-temperature areas, and prevent local overheating.

[0014] In one specific implementation, the second fan is mounted inside the main housing by a bracket, the bracket being inclined, and the second fan being inclined toward the heat concentration area along a second direction.

[0015] By adopting the above technical solution, the tilted setting allows the second fan to better guide airflow into the heat-generating area, avoiding reverse airflow and local eddies. The fan, through appropriate design, guides the airflow to maintain a stable flow, thereby eliminating eddies and enhancing the heat conduction and dissipation effect.

[0016] In one specific implementation, a heat exchanger assembly is also included, which is correspondingly arranged with the third fan; the heat exchanger assembly includes a heat exchanger and a protective cover, the heat exchanger is disposed inside the main housing and partially protrudes from the main housing, and the heat exchanger is fixed inside the main housing by the protective cover.

[0017] By adopting the above technical solution, the heat exchanger extends out of the main shell, increasing the contact area with the external environment and enabling efficient heat exchange. In conjunction with the third fan, the airflow can accelerate through the surface of the heat exchanger, improving the heat exchange efficiency of the heat exchanger.

[0018] In one specific implementation, the protective cover is provided with an inclined portion, and the third fan is mounted on the inclined portion, the third fan being inclined toward the heat concentration area along a third direction.

[0019] By adopting the above technical solution, the third fan, through its tilted setting, can more accurately concentrate airflow to the heat-generating area, directly act on the heat source, and remove more heat. At the same time, it can also prevent the fan's airflow from directly colliding or circling with the surrounding air, thereby reducing the formation of eddies, optimizing the airflow path, and allowing heat to be quickly discharged from the area where heat is concentrated, thus improving the overall heat dissipation effect.

[0020] In one specific implementation, an external fan assembly is also included, and a heat sink is provided on the outer bottom wall of the main housing. The external fan assembly is configured correspondingly to the heat exchanger assembly and the heat sink.

[0021] By adopting the above technical solution, the introduction of an external fan group increases airflow, which helps the radiator to quickly remove heat and works with the heat exchanger assembly to air-cool the heat exchanger assembly, thereby efficiently transferring the heat inside the main casing to the outside and further improving the heat exchange efficiency.

[0022] In one specific implementation, a cover plate assembly is also included, which is detachably connected to the main housing. The cover plate assembly is provided with a fan rail, and the external fan assembly can be pulled out of and out of the fan rail.

[0023] By adopting the above technical solution, the external fan assembly can be easily pulled out through the fan rail, making it easier for users to clean or replace the fan without disassembling other components; the detachable design of the cover assembly simplifies the entire maintenance process, making the equipment easier to maintain.

[0024] In one specific implementation, the partition assembly includes a plurality of intermediate partitions, which are stacked along the height direction of the main housing, and heat dissipation ducts are formed between adjacent intermediate partitions, and between the intermediate partitions and the bottom and top of the main housing.

[0025] By adopting the above technical solution, the cabinet space is divided into multiple independent areas using a partition, which not only helps the orderly distribution of airflow, but also optimizes the use of space. Furthermore, through reasonable airflow design and layout of heating elements, the airflow can carry away heat more efficiently, ensuring heat dissipation efficiency and system stability.

[0026] In one specific implementation, the partition plate is provided with mounting posts for mounting heating elements, so that a heat dissipation duct is formed between the heating elements and the partition plate.

[0027] By adopting the above technical solution, the mounting column design ensures that there is sufficient gap between the heating element and the middle partition, thereby providing a channel for airflow. This not only improves the heat dissipation effect but also optimizes the space utilization, making the equipment structure more compact.

[0028] In summary, the beneficial technical effects of this application are as follows: This solution effectively improves the heat dissipation performance of high-power electrical equipment through reasonable modular layout, air duct design, and fan component configuration; by rationally dividing the heat-generating area and optimizing the airflow path, heat accumulation and local overheating are avoided, significantly improving heat dissipation efficiency; in addition, the multi-angle staggered design of the fan components and the effective collaborative work of the heat exchanger further enhance the uniformity of heat dissipation and the overall stability of the equipment; this solution also simplifies equipment maintenance, optimizes space utilization, and ensures long-term stable operation of the equipment under high power loads through the design of a detachable cover and external fan group. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of the box in an embodiment of this application.

[0030] Figure 2 It is used to display the exploded view of the box.

[0031] Figure 3 It is a cross-sectional view used to show the heat dissipation airflow.

[0032] Figure 4 It is a schematic diagram used to show the positional relationship between heat exchanger components, radiators and external fan groups.

[0033] Figure 5 This is a structural diagram used to illustrate the heat exchanger assembly.

[0034] Figure 6 This is a cross-sectional view used to show the suspension bracket assembly.

[0035] Figure 7 This is a structural diagram used to demonstrate the hanging bracket.

[0036] Figure 8 It is a structural diagram used to show the back cover, fan rails, and external fan assembly.

[0037] Figure 9 It is a cross-sectional view used to show the fan rails and external fan assembly.

[0038] Figure 10 This is a schematic diagram used to illustrate the structure of the fan track.

[0039] Explanation of reference numerals in the attached drawings: 1. Main casing; 11. Heat concentration area; 12. Heat dissipation area; 13. Radiator; 14. Power board assembly; 2. Baffle assembly; 21. Middle baffle; 22. Mounting post; 23. Vent; 3. Heat dissipation duct; 4. Fan assembly; 41. First fan; 42. Second fan; 43. Third fan; 5. Suspension bracket assembly; 51. Suspension bracket; 52. Air duct cover; 53. Positioning protrusion; 54. Fixing base; 55. Hook; 56. Fixing hole; 57. Window; 58. Flanged edge; 6. Bracket; 7. Heat exchanger assembly; 71. Heat exchanger; 72. Protective cover; 73. Inclined section; 74. Air inlet; 75. Heat exchange fins; 76. Heat exchange tubes; 77. Planar structure; 78. "U"-shaped structure; 8. External fan assembly; 81. Fan; 82. Mounting bracket; 83. Flexible structure; 9. Cover assembly; 91. Top cover; 92. Rear cover; 93. Windproof structure; 10. Fan rail; 101. Guide rail structure; 102. Protective net; 103. Air inlet; 104. Wiring maintenance box. Detailed Implementation

[0040] The following is in conjunction with the appendix Figure 1-10 This application will be described in further detail.

[0041] Reference Figure 1-3 This application discloses a housing, including but not limited to applications in high-power electrical equipment such as high-power power conversion systems (PCS).

[0042] The enclosure includes a main shell 1, which has a heat concentration area 11 and a heat dissipation area 12. In this embodiment, the heat concentration area 11 is located in the middle of the main shell 1, and the heat dissipation area 12 is arranged around the heat concentration area 11.

[0043] The heating concentration area 11 is equipped with a partition assembly 2, which divides the heating concentration area 11 into multiple installation spaces, and each installation space has a corresponding heat dissipation duct 3. In this embodiment, the installation space is used to install heating elements, which are power board assemblies 14. By using the partition assembly 2, the heating elements in the box are arranged in a modular layout, the heating area is reasonably divided and arranged in an orderly manner, and the design of each installation space optimizes the layout of the heating elements, avoids space waste, and improves the space utilization of the box.

[0044] The heat dissipation area 12 is equipped with a fan assembly 4, which is arranged around the periphery of the heat concentration area 11. The fan assembly 4 forms multiple airflow directions at different angles towards the heat concentration area 11. Through the flexible fan arrangement and multi-angle airflow design, these airflow directions help to ensure uniform airflow and prevent the heat in some areas from not being fully dissipated due to a single airflow direction. This avoids the problems of heat accumulation or local overheating, which not only effectively improves heat dissipation efficiency, but also enhances the overall stability and reliability of the system because the heat is dissipated more evenly.

[0045] Reference Figure 2 and Figure 3 In this embodiment, the partition assembly 2 includes two middle partitions 21, which are stacked along the height direction of the main housing 1. In this embodiment, each middle partition 21 is provided with a vent 23, which also serves as EMI (electromagnetic interference) shielding. Heat dissipation air ducts 3 are formed between adjacent middle partitions 21, between the middle partition 21 and the bottom of the main housing 1, and between the middle partition 21 and the top of the main housing 1. The middle partitions 21 divide the housing space into multiple independent areas for the installation of the power board assembly 14, which helps to distribute the airflow in an orderly manner and optimizes the use of space. Through reasonable airflow design and power board assembly 14 layout, the airflow can carry away heat more efficiently, ensuring heat dissipation efficiency and system stability.

[0046] The partition plate 21 is provided with mounting posts 22 for mounting the power board assembly 14. The design of the mounting posts 22 ensures that there is a sufficient gap between the heating element and the partition plate 21 to form a heat dissipation air duct 3, providing a channel for air flow. This not only improves the heat dissipation effect, but also optimizes the space utilization and makes the equipment structure more compact.

[0047] Reference Figure 2, the fan assembly 4 includes a first fan 41, a second fan 42, and a third fan 43. The first fan 41, the second fan 42, and the third fan 43 are arranged along the circumferential side of the heat concentration area 11, and the wind directions of the first fan 41, the second fan 42, and the third fan 43 are all staggered. The staggered design of the wind direction of each fan not only improves the coverage area of air flow but also avoids the phenomena of air flow backflow and vortex by changing the air flow path. The staggered wind directions make the air flow smoother, reduce the stagnation and rotation of air in local areas, thereby eliminating possible vortex effects, making the air flow more uniform and stable, and further improving the heat dissipation effect.

[0048] Referring to Figure 4 and Figure 5 , the box body further includes a heat exchanger assembly 7, and the heat exchanger assembly 7 is correspondingly arranged with the third fan 43. The heat exchanger assembly 7 includes a heat exchanger 71 and a protective cover 72. The heat exchanger 71 is arranged in the main housing 1 and partially penetrates through the main housing 1. The heat exchanger 71 is fixed in the main housing 1 through the protective cover 72. In this embodiment, air inlets 74 are arranged on three sides of the protective cover 72 to ensure that hot air can fully enter the heat exchanger 71 to participate in heat exchange. The heat exchanger 71 partially penetrates through the main housing 1, increasing the contact area with the external environment, enabling more efficient heat exchange. Through the cooperation with the third fan 43, the air flow can accelerate through the surface of the heat exchanger 71,带走更多的热量,提高热交换效率;

[0049] In this embodiment, the heat exchanger 71 includes heat exchange fins 75 and heat exchange tubes 76. The heat exchange fins 75 are evenly distributed in the height direction, and the heat exchange tubes 76 penetrate through the heat exchange fins 75. The outer shape of the heat exchange fins 75 adopts a planar structure 77 or a "U" - shaped structure stacked in a meandering shape. The planar structure 77 has a low manufacturing cost and a simple production process, is suitable for large - scale production, and can meet the heat dissipation requirements. The "U" - shaped structure stacked increases the heat dissipation area of the fins, significantly enlarges the heat exchange surface area, improves the heat exchange efficiency, and thus provides a more sufficient heat exchange effect, which is suitable for occasions with high power and large heat loads, ensuring the long - term stable operation of the equipment. In actual use, adjust the number and arrangement of the fins according to the requirements of the specific application scenario to achieve the best heat dissipation effect.

[0050] Referring to Figure 2 and Figure 6 It should be noted that there is an unclear part in the original text of item which is "带走更多的热量,提高热交换效率", and it is translated as "带走 more heat and improve the heat exchange efficiency" here with the unclear part remaining as it is. If there is more specific information about this part, the translation can be more accurate.In this embodiment, the first fan 41 is installed inside the main housing 1 via a suspension bracket assembly 5. A distance is left between the suspension bracket assembly 5 and the bottom wall of the main housing 1. The first fan 41 is positioned directly facing the heat concentration area 11 along a first direction. In this embodiment, the first direction is the horizontal direction directly facing the heat concentration area 11, that is, the wind direction of the first fan 41 is the horizontal wind direction directly facing the heat concentration area 11. This design allows the airflow to directly act on the heat-generating area, effectively remove heat, and improve heat dissipation efficiency. By optimizing the airflow path, it is ensured that the air can flow efficiently through all high-temperature areas, thereby avoiding the occurrence of local overheating.

[0051] Reference Figure 6 and Figure 7 In this embodiment, the suspension bracket assembly 5 consists of a suspension bracket 51 and an air duct cover plate 52. The first fan 41 is mounted on the air duct cover plate 52, and the air duct cover plate 52 is connected to the suspension bracket 51 to form an air duct for air supply. The suspension bracket 51 is provided with a positioning protrusion 53, a fixing seat 54, and multiple hooks 55. The positioning protrusion 53 is used to determine the installation position of the suspension bracket assembly 5 in the main housing 1, and the multiple hooks 55 are used to suspend the suspension bracket 51 in the main housing 1 and to firmly fix the suspension bracket 51 through the fixing seat 54. The air duct cover plate 52 is connected to the bracket 6 through a fixing hole 56 to ensure that the air duct cover plate 52 is stably installed.

[0052] The bracket is also equipped with a window 57 and a flange 58. The window 57 helps to accelerate the airflow in the corner of the main housing 1, especially under the power board assembly 14, which can promote air exchange and effectively prevent the accumulation of hot air, thereby further improving heat dissipation performance and system stability. The flange 58 is used to block cold air from entering the bottom of the power board assembly 14 and prevent cold air from directly affecting the bottom area.

[0053] Reference Figure 2 The second fan 42 is mounted inside the main housing 1 via a bracket 6. The second fan 42 is tilted towards the heat concentration area 11 along the second direction. The bracket 6 is tilted at a specific angle to adjust the installation angle of the second fan 42 and eliminate the negative impact of the eddies generated by the second fan 42 during operation on the heat dissipation effect. Through this tilting setting, the second fan 42 can more effectively guide airflow into the heat-generating area and avoid the formation of reverse airflow and local eddies. This design improves the efficiency of airflow and enhances the heat conduction and dissipation effect, further optimizing the heat dissipation performance.

[0054] Reference Figure 2 and Figure 5The third fan 43 is installed inside the main housing 1 through the protective cover 72. The protective cover 72 is provided with an inclined part 73. The third fan 43 is installed on the inclined part 73. The inclined part 73 is used to adjust the installation angle of the third fan 43 and eliminate the negative impact of the eddy current generated by the third fan 43 on the heat dissipation effect. The third fan 43 is inclined towards the heat concentration area 11 along the third direction.

[0055] With this tilted design, the third fan 43 can more accurately concentrate the airflow to the heat-generating area and act directly on the heat source, thereby removing more heat. At the same time, it can also prevent the fan's airflow from colliding violently with the surrounding air or forming swirling airflow, reducing the generation of eddies, thereby optimizing the airflow path and enabling heat to be quickly discharged from the heat-generating area, improving the overall heat dissipation effect.

[0056] Reference Figure 1 and Figure 8 The housing also includes a cover assembly 9 and an external fan assembly 8. The cover assembly 9 is fixed to the main housing 1 by a detachable connection. In this embodiment, the cover assembly 9 includes an upper cover 91 and a rear cover 92. The upper cover 91 is installed at the top opening of the main housing 1 and is detachably connected to the main housing 1, sealing the opening of the main housing 1. The rear cover 92 is installed at the bottom of the main housing 1 and is detachably connected to the main housing 1. The detachable design of the cover assembly 9 makes equipment maintenance easier and improves the maintainability of the equipment.

[0057] Reference Figure 8 and Figure 9 A fan rail 10 is provided on the cover assembly 9, and the external fan assembly 8 can be easily pulled out through the rail. With this design, users can easily pull out the external fan assembly 8 for cleaning or replacement without disassembling other components, which greatly improves the convenience of maintenance.

[0058] Reference Figure 8-10 In this embodiment, the external fan assembly 8 includes components such as a fan 81, a mounting bracket 82, and an elastic structure 83. The fan 81 generates airflow to aid in heat dissipation; the mounting bracket 82 provides stable support; the elastic structure 83 prevents interference with the rear cover 92 and maintains a gap, thereby improving heat dissipation efficiency and system stability; the rear cover 92 is also provided with a wind deflector 93, which is used to smooth the airflow channel, optimize the airflow path, and reduce noise. These designs not only improve heat dissipation efficiency but also ensure the efficient operation and easy maintenance of the external fan assembly 8.

[0059] The fan rail 10 includes components such as a guide rail structure 101, a protective net 102, an air inlet 103, and a wiring maintenance box 104. The air inlet 103 adopts a large grille design to avoid airflow stagnation and blockage that could cause noise, and provides sufficient airflow to ensure the normal operation of the fan 81. The wiring maintenance box 104 allows users to easily inspect and maintain the power supply and wiring of the fan 81, making it more convenient and safer to use. The guide rail structure 101 ensures that the fan 81 can slide and be fixed smoothly. The protective net 102 is used to prevent foreign objects from entering the fan 81 area. The protective net 102 is designed separately from the guide rail structure 101, with a distance A between the protective net 102 and the guide rail structure 101. This design ensures that during normal operation, the protective net 102 will not directly block the air inlet 103, avoiding airflow obstruction and reducing noise. When the fan 81 reverses to perform dust removal operation, maintaining a distance A can prevent vortex areas from affecting the dust removal effect.

[0060] The outer bottom wall of the main housing 1 is provided with a radiator 13, and the external fan group 8 is arranged correspondingly to the heat exchanger assembly 7 and the radiator 13. The introduction of the external fan group 8 increases airflow, which helps the radiator 13 to remove heat more efficiently. At the same time, it works in conjunction with the heat exchanger assembly 7 to perform air cooling. In this way, heat can be quickly conducted from the inside of the main housing 1 to the outside, thereby improving heat exchange efficiency.

[0061] The implementation principle of this application embodiment is as follows: the enclosure design adopts a modular layout and a multi-layer heat dissipation air duct 3 design to improve the heat dissipation efficiency and system stability of high-power electrical equipment; the heat concentration area 11 inside the enclosure is divided into multiple installation spaces by the partition assembly 2, and each space forms an independent heat dissipation air duct 3, which optimizes the use of space and ensures that the airflow can flow in an orderly manner and effectively remove heat.

[0062] The heat dissipation zone 12 is equipped with a first fan 41, a second fan 42, and a third fan 43. Each fan is designed with a specific angle to avoid direct airflow that could prevent local heat-generating components from being cooled. This also avoids airflow backflow and the generation of local eddies, ensuring uniform airflow and further enhancing the heat dissipation effect. In addition, the heat exchanger assembly 7 works in conjunction with the third fan 43, using a heat exchange fin structure 75 and a heat exchange tube 76 to improve heat exchange efficiency and effectively remove heat. The external fan group 8 is easy to clean and replace via a track structure. This optimizes the coordinated work of the radiator 13 and the heat exchanger 71, improves the overall heat dissipation performance, and ensures that the equipment can operate stably for a long time under high power loads.

[0063] 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 box, characterized in that: The device includes a main housing, which has a heat-concentrating area and a heat-dissipating area. The heat-concentrating area is provided with a partition assembly, which divides the heat-concentrating area into multiple installation spaces, and each installation space has a corresponding heat dissipation air duct. The heat dissipating area is provided with a fan assembly, which is arranged along the periphery of the heat-concentrating area and forms multiple airflow directions at different angles toward the heat-concentrating area.

2. The housing according to claim 1, characterized in that: The fan assembly includes a first fan, a second fan, and a third fan. The first fan, the second fan, and the third fan are arranged along the periphery of the heat concentration area, and their airflow directions are staggered.

3. The housing according to claim 2, characterized in that: The first fan is installed inside the main housing via a suspension bracket assembly, with a distance between the suspension bracket assembly and the bottom wall of the main housing. The first fan is positioned directly facing the heat concentration area along a first direction.

4. The housing according to claim 2, characterized in that: The second fan is mounted inside the main housing via a bracket, which is tilted, and the second fan is tilted toward the heat concentration area along a second direction.

5. The housing according to claim 2, characterized in that: It also includes a heat exchanger assembly, which is correspondingly arranged with the third fan; the heat exchanger assembly includes a heat exchanger and a protective cover, the heat exchanger is disposed inside the main housing and partially protrudes from the main housing, and the heat exchanger is fixed inside the main housing by the protective cover.

6. The housing according to claim 5, characterized in that: The protective cover has an inclined portion, and the third fan is mounted on the inclined portion. The third fan is inclined towards the heat concentration area along a third direction.

7. The housing according to claim 5, characterized in that: It also includes an external fan assembly, and a heat sink is provided on the bottom wall of the main housing. The external fan assembly is correspondingly arranged with the heat exchanger assembly and the heat sink.

8. The housing according to claim 7, characterized in that: It also includes a cover plate assembly, which is detachably connected to the main housing. The cover plate assembly is provided with a fan rail, and the external fan assembly can be pulled out and out of the fan rail.

9. The housing according to claim 1, characterized in that: The partition assembly includes multiple intermediate partitions, which are stacked along the height direction of the main housing. Heat dissipation ducts are formed between adjacent intermediate partitions and between the intermediate partitions and the bottom and top of the main housing.

10. The housing according to claim 9, characterized in that: The partition plate is provided with mounting posts for mounting heating elements, so that a heat dissipation air duct is formed between the heating elements and the partition plate.

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