electronic devices

Abstract

This application discloses an electronic device. The electronic device includes: a chassis; a motherboard, mounted inside the chassis, configured to mount a first processor module and / or a second processor module; and an air guide shroud, comprising a detachably connected first air guide section and a second air guide section. The first air guide section is mounted on the upper part of the first processor module and configured to guide airflow through the first processor module, and the second air guide section is mounted on the upper part of the second processor module and configured to guide airflow through the second processor module. This application solves the problem of low applicability of air guide shrouds in related technologies.

Description

Technical Field

[0001] This application relates to the field of electronic equipment technology, and more particularly to an electronic device. Background Technology

[0002] In electronic device cooling systems, air ducts are key structures that guide airflow and achieve efficient heat dissipation for components such as the CPU, memory, and rear window modules. They are typically designed as a single unit, and different air duct models need to be developed for single-channel (single CPU or single motherboard) or dual-channel (dual CPU or dual motherboard) configurations. When electronic devices need to be upgraded from a single-channel configuration to a dual-channel configuration, or vice versa, the entire air duct must be replaced, which significantly increases cooling costs and severely affects the applicability of the air duct. Utility Model Content

[0003] This application provides an electronic device to at least address the problem of low applicability of air deflectors in the related art.

[0004] This application provides an electronic device, including: a chassis; a motherboard, the motherboard being installed inside the chassis, the motherboard being configured to install a first processor module and / or a second processor module; and an air guide shroud, the air guide shroud including a first air guide section and a second air guide section detachably connected, the first air guide section being installed on the upper part of the first processor module and configured to guide airflow through the first processor module, and the second air guide section being installed on the upper part of the second processor module and configured to guide airflow through the second processor module.

[0005] According to this application, the electronic device includes a chassis, a motherboard, and an air guide shroud. The motherboard is installed inside the chassis and is configured to install a first processor module and / or a second processor module. The air guide shroud includes a first air guide section and a second air guide section that are detachably connected. The first air guide section is installed on the upper part of the first processor module and is configured to guide airflow through the first processor module. The second air guide section is installed on the upper part of the second processor module and is configured to guide airflow through the second processor module. By setting the air guide shroud to include two detachably connected air guide sections, when it is necessary to adapt to a single-processor configuration of the first or second processor module, only the corresponding air guide section needs to be installed inside the chassis. When it is necessary to adapt to a dual-processor configuration of the first or second processor module, the two air guide sections are connected and installed inside the chassis. This avoids the need to replace the entire air guide shroud when switching between single and dual-processor configurations of the server, greatly improving the applicability of the air guide shroud and significantly reducing heat dissipation costs and the complexity of air guide shroud replacement. Furthermore, the above-mentioned design also reduces the number of new air guide covers to be opened during product development, which greatly saves design time and processing costs and helps to promote the rapid launch of products. Attached Figure Description

[0006] To more clearly illustrate the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0007] Figure 1 This is a schematic diagram of the structure of the air guide shroud provided in the embodiments of this application;

[0008] Figure 2 This is a schematic diagram of the structure of the first air guide provided in an embodiment of this application;

[0009] Figure 3 for Figure 2 A structural schematic diagram of the first air guide section from another perspective;

[0010] Figure 4 This is a partial structural diagram of the connection between the two air guides provided in an embodiment of this application;

[0011] Figure 5 This is a schematic diagram of the protrusion structure provided in an embodiment of this application;

[0012] Figure 6 This is a schematic diagram of the wiring of the air guide shroud provided in an embodiment of this application.

[0013] The above figures include the following reference numerals:

[0014] 10. Air guide body; 11. First air duct; 111. Inclined surface; 112. Air passage hole; 12. Second air duct; 121. Support rib; 122. Positioning rib; 13. Cable management channel; 131. Cable routing groove; 132. Cable routing hole; 133. Cable routing buckle; 134. Heat dissipation hole; 14. Connecting beam; 15. Square buckle; 16. Protrusion; 161. Sliding rib; 17. Slot; 18. T-shaped buckle; 20. Grab mark; 30. Buckle component; 31. Elastic buckle; 32. Stop wall; 40. Memory serial number label; 100. First air guide; 200. Second air guide. Detailed Implementation

[0015] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this application.

[0016] It should be noted that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. The terms "installed," "connected," and "linked" should be interpreted broadly, for example, they can be fixed connections, detachable connections, or integral connections; they can be mechanical connections or electrical connections; they can be direct connections or indirect connections through an intermediate medium; they can be internal connections between two elements. The terms "parallel," "perpendicular," and "equal" include the described situation and situations similar to the described situation, the range of which is within an acceptable deviation range, wherein the acceptable deviation range is determined by those skilled in the art taking into account the measurement under discussion and the error associated with the measurement of a particular quantity (i.e., the limitations of the measurement system). For example, "parallel" includes absolute parallelism and approximate parallelism, where an acceptable deviation range for approximate parallelism can be, for example, within 5°; "perpendicular" includes absolute perpendicularity and approximate perpendicularity, where an acceptable deviation range for approximate perpendicularity can also be, for example, within 5°. "Equal" includes absolute equality and approximate equality, where an acceptable deviation range for approximate equality can be, for example, a difference between the two equal items being less than or equal to 5% of either one. Those skilled in the art will understand the specific meaning of the above terms in this application based on the specific circumstances.

[0017] To enable those skilled in the art to better understand the present application, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0018] To address the issue of limited applicability of air guide covers in related technologies, this application provides an electronic device.

[0019] In this embodiment, the electronic device can be a server.

[0020] like Figure 1 and Figure 6As shown, the electronic device includes a chassis, a motherboard, and an air duct. The motherboard is mounted inside the chassis and is configured to mount a first processor module and / or a second processor module. The air duct includes a detachably connected first air duct 100 and a second air duct 200. The first air duct 100 is mounted on top of the first processor module and configured to guide airflow through the first processor module. The second air duct 200 is mounted on top of the second processor module and configured to guide airflow through the second processor module. It is understood that if the motherboard only has a first processor module or a second processor module, only the first air duct 100 or the second air duct 200 is installed in the chassis; if the motherboard has both a first processor module and a second processor module, the connected first air duct 100 and the second air duct 200 are installed in the chassis.

[0021] The air guide shroud of the electronic device in this embodiment includes a detachably connected first air guide section 100 and a second air guide section 200, which are respectively configured to guide airflow through the first processor module and the second processor module. In this way, when it is necessary to adapt to a single-processor configuration of the first processor module or the second processor module, the corresponding air guide section only needs to be installed in the chassis. When it is necessary to adapt to a dual-processor configuration of the first processor module and the second processor module, the two air guide sections are connected and installed in the chassis. This avoids the need to replace the entire air guide shroud when switching between single and dual-processor configurations of the server, greatly improves the applicability of the air guide shroud, and significantly reduces the heat dissipation cost and the complexity of air guide shroud replacement.

[0022] like Figures 1 to 3 , Figure 6 As shown, the first air guide 100 and the second air guide 200 are arranged side by side along the first direction. Both the first air guide 100 and the second air guide 200 include an air guide body 10, and the air guide body 10 is provided with a first air duct 11 and a second air duct 12. The first air duct 11 and the second air duct 12 extend along the second direction and are arranged sequentially along the first direction, wherein the second direction is perpendicular to the first direction.

[0023] In this embodiment, the air guide body 10 of the first air guide 100 and the second air guide 200 is provided with a first air duct 11 and a second air duct 12, which can correspond to the heat dissipation area of ​​the rear window module and the CPU. At the same time, a heat dissipation air duct is also formed between the air guide body 10 and the memory, so that the first air guide 100 and the second air guide 200 can effectively guide and dissipate heat for the rear window module, CPU and memory. The first air guide 100 and the second air guide 200 can both be adapted to dual-path configuration. When it is necessary to adapt to single-path configuration, only one corresponding air guide needs to be installed, thereby avoiding the need to replace the entire air guide cover when switching between single and dual-path configurations of the server. This greatly improves the applicability of the air guide cover and significantly reduces the heat dissipation cost and the complexity of air guide cover replacement.

[0024] It should be noted that, as Figure 1 As shown, in this embodiment, the first direction is the X-axis direction, the second direction is the Y-axis direction, and the third direction described below is the Z-axis direction. Furthermore, Figure 1 The front-to-back direction of the air guide body 10 is shown.

[0025] In this embodiment, the first air duct 11 and the second air duct 12 are groove structures with openings facing different directions. Specifically, the opening of the first air duct 11 faces upward, while the opening of the second air duct 12 faces downward.

[0026] In this embodiment, as Figure 1 As shown, the front end of the first air duct 11 has an inclined surface 111. The inclined surface 111 is inclined towards the front end of the air guide body 10, that is, it is inclined upward in the direction towards the front end. An air passage hole 112 is formed on the inclined surface 111. In other words, the front end of the first air duct 11 has a sloping structure. By forming an air passage hole 112 on the sloping structure, airflow is guided, which can provide air cooling for functional modules such as the rear window Riser module and hard drive module. Specifically, the inclination angle of the inclined surface 111 and the size of the air passage hole 112 have been calculated and verified to ensure that the airflow from the front window flows to the first air duct 11 in a preset proportion, thereby improving airflow utilization and increasing heat dissipation efficiency.

[0027] In this embodiment, the second air duct 12 allows some airflow to pass through the CPU heatsink, carrying away the CPU's heat and achieving CPU cooling. Furthermore, a cooling air duct is formed between the air guide body 10 and the memory below it, directing airflow to the memory area below the air guide body 10, providing cool air for heat exchange with the memory. In summary, the air guide shroud in this embodiment achieves precise airflow distribution through its structure. By setting the first air duct 11 and its front-end ramp structure and air vent 112, the second air duct 12, and the lower cooling air duct, precise airflow distribution to the heat-generating areas inside the server is achieved. This prevents heat dissipation dead zones inside the server and avoids overheating of some components affecting performance, optimizing internal server cooling and improving server operational stability.

[0028] Furthermore, in this embodiment, the air guide cover is provided with a detachably connected first air guide part 100 and a second air guide part 200. When one side of the air guide part is disassembled for maintenance, the air duct of the other side of the air guide part can remain sealed. This avoids the problem of the heat dissipation balance of the whole machine being disrupted when the air guide cover is replaced, greatly improving the convenience of operation and maintenance and increasing the efficiency of installation.

[0029] In an optional embodiment, the inclined surface 111 is detachably connected to the air guide body 10. That is, the ramp structure at the front end of the first air duct 11 is a detachable structure, and the air guide can be equipped with multiple ramp structures. Each ramp structure can have different numbers, distribution densities, or sizes of air passage holes 112, so that ramp structures with different opening ratios can be replaced according to the air volume required by the server's rear window, thereby achieving precise control of the air volume.

[0030] In this embodiment, as Figure 1 and Figure 3 As shown, a connecting beam 14 is provided at the rear end of the second air duct 12. The connecting beam 14 extends along the first direction and connects the two side walls of the second air duct 12. By providing the connecting beam 14 to connect the plates on both sides of the second air duct 12, the deformation of the second air duct 12 can be reduced, the structural strength of the second air duct 12 can be improved, and the overall structural strength of the air guide body 10 can be strengthened.

[0031] Furthermore, in this embodiment, as Figure 1 and Figure 3 As shown, a square buckle 15 is provided on the connecting crossbeam 14. There is at least one square buckle 15, and when there are multiple square buckles 15, they are spaced apart along the first direction. The square buckle 15 can serve as a reserved snap-fit ​​structure to provide a corresponding matching structure for the tail end support structure of the full-length buckle, ensuring the stable operation of the rear window module under impact conditions.

[0032] Specifically, in this embodiment, the square buckle 15 can be considered as a segment of the connecting beam 14 protruding upwards. This segment is a long segment extending along the first direction and located at the front edge of the connecting beam 14. After protruding upwards, a notch is formed below it, so that the tail end support structure extends into the square buckle 15 and engages with the notch.

[0033] In this embodiment, the first air guide 100 and the second air guide 200 can be disassembled and assembled without tools. For example... Figures 1 to 4 As shown, each of the two air guide bodies 10 has a protrusion 16 and a slot 17 on its side closest to each other. Both the protrusion 16 and the slot 17 extend along a third direction, with each protrusion 16 and slot 17 corresponding to and engaging with each other. Along a second direction, the protrusions 16 and slots 17 are spaced apart and sequentially located on different air guide bodies 10, wherein the third direction is perpendicular to both the first and second directions. Specifically, in this embodiment, each air guide body 10 has one protrusion 16 and one slot 17. Figure 4For example, along the second direction from back to front, the left air guide body 10 is provided with a protrusion 16 and a slot 17 in sequence, and correspondingly, the right air guide body 10 is provided with a slot 17 and a protrusion 16 in sequence, thus forming two sets of snap-fit ​​structures. Of course, they can also be arranged in the opposite direction, which is not limited here.

[0034] In this embodiment, the first air guide 100 and the second air guide 200 are installed in a third direction, i.e., vertically. During installation, the protrusions 16 on both sides respectively engage with the slots 17 and slide vertically relative to each other, thereby installing the first air guide 100 and the second air guide 200. Furthermore, a certain angle can be designed between the protrusions 16 and the slots 17 to facilitate insertion.

[0035] In this embodiment, as Figure 5 As shown, the outer surface of the protrusion 16 is provided with sliding ribs 161, which extend along a third direction and are used to slide and engage with the inner wall of the slot 17. Specifically, in this embodiment, the cross-section of the protrusion 16 is convex, and correspondingly, the cross-section of the slot 17 is concave, thereby achieving a convex-concave fit. Furthermore, there are multiple sliding ribs 161, which are symmetrically arranged on the convex outer surface of the protrusion 16 to ensure sliding stability and prevent displacement. By providing sliding ribs 161 on the sliding surface of the protrusion 16, the contact area and friction during sliding can be reduced, ensuring smooth insertion and sliding of the protrusion 16.

[0036] Furthermore, such as Figure 2 and Figure 4 As shown, each of the two air guide bodies 10 has a latching member 30 on one side that is close to each other. Each latching member 30 includes an elastic latch 31 and a stop wall 32 arranged sequentially along a second direction. The elastic latch 31 in each latching member 30 engages with the stop wall 32 in the other latching member 30 along a third direction. Specifically, taking... Figure 1 For example, along the second direction from back to front, the left air guide body 10 is sequentially provided with an elastic buckle 31 and a stop wall 32, and correspondingly, the right air guide body 10 is sequentially provided with a stop wall 32 and an elastic buckle 31, thus forming two sets of buckle limiting structures. Of course, they can also be arranged in opposite directions, which is not limited here. The elastic buckle 31 includes a main body and a buckle part arranged sequentially along the third direction. The main body and the stop wall 32 are arranged sequentially along the second direction, preferably integrally formed. The buckle part is located at the top of the main body and extends out of the main body along the second direction. Furthermore, the top of the buckle part has an inclined guide surface. It can be understood that the buckle parts of the elastic buckles 31 on the two air guide bodies 10 extend towards each other. In addition, the buckle part can not only serve as the engagement point for fixing the first air guide 100 and the second air guide 200, but also as a handhold point, thereby simplifying the structure.

[0037] In this embodiment, when the first air guide 100 and the second air guide 200 are installed, the protrusions 16 on both sides respectively engage with the slots 17 and slide vertically relative to each other, so as to... Figure 1 Taking the position of the latching member 30 shown as an example, if the left air guide body 10 slides and engages with the right air guide body 10 from bottom to top, during the upward movement of the left air guide body 10, the latching part of the left elastic latch 31 will interfere with the right air guide body 10. Since the elastic latch 31 has deformability, guided by the inclined guide surface of the latching part, the latching part will deform to the left to create sliding space, allowing the left air guide body 10 to continue sliding upward until the stop wall 32 on the left air guide body 10 abuts against the elastic latch 31 on the right air guide body 10. At this point, the latching part of the elastic latch 31 on the left air guide body 10 returns to its original state and abuts against the stop wall 32 on the right air guide body 10, thus completing the engagement action and realizing the installation of the first air guide 100 and the second air guide 200. The disassembly process is the reverse.

[0038] In this embodiment, as Figure 4 As shown, the two sets of snap-fit ​​structures and the snap-limiting structures mentioned above adopt a centrally symmetrical design, and the two sets of snap-limiting structures are located between the two sets of snap-fit ​​structures to avoid design redundancy and occupying too much space.

[0039] In this embodiment, as Figures 1 to 3 , Figure 6As shown, a cable management channel 13 is also provided on one side of the two air guide bodies 10 that are close to each other. The cable management channel 13 extends along the second direction and is farther away from the first air duct 11 relative to the second air duct 12. Specifically, the cable management channel 13 is a groove structure with its opening facing upwards, located on the side of the second air duct 12 that is farther away from the first air duct 11. That is, in this embodiment, the air guide body 10 is arranged with the first air duct 11, the second air duct 12, and the cable management channel 13 in sequence along the second direction. The front end of the cable management channel 13 has a cable routing groove 131, and the rear end of the cable management channel 13 has a cable routing hole 132. A cable routing buckle 133 is provided inside the cable management channel 13 so that the cable passes through the cable routing groove 131, the cable routing buckle 133, and the cable routing hole 132 in sequence. Among them, a baffle is provided on the outer edge of the front end of the cable management channel 13, forming a cable routing groove 131 between it and the inner sidewall of the cable management channel 13, preventing the cable from moving left and right. The cable routing buckle 133 adopts a hook form to prevent the cable from curling upwards. Cable routing holes 132 are used for cable passage, defining the cable routing path. Furthermore, a heat dissipation hole 134 is also provided on one side of the cable routing hole 132 to optimize heat dissipation and prevent airflow backflow in this area, which could affect the overall system's heat dissipation. This embodiment achieves rational cable routing planning by setting up a cable management channel 13 and incorporating the aforementioned cable management structure within it. This avoids cluttered cables inside the chassis, makes efficient use of the space above the air guide body 10, solves the problem of messy and difficult-to-manage cables passing above the air guide cover in servers, prevents airflow obstruction, optimizes the cable routing path inside the chassis, and improves the assembly efficiency of production personnel.

[0040] In this embodiment, as Figures 1 to 3 As shown, T-shaped clips 18 are provided on the sides of the two air guide body 10 that are far apart from each other, for engaging with the side wall of the chassis. Specifically, the side wall of the chassis has corresponding T-shaped locking holes, which engage with the T-shaped clips 18 of the air guide body 10, thus fixing the first air guide 100 and the second air guide 200 to the side of the chassis. This is convenient to install, has a simple structure, and is reliably fixed. There can be multiple T-shaped clips 18, with at least two of them located at the front and rear ends of the side of the air guide body 10 to improve the stability of the connection and fixation.

[0041] In this embodiment, as Figure 3As shown, the top surface of the second air duct 12 is provided with multiple support ribs 121, which extend intersectingly along the first and second directions. Multiple positioning ribs 122 are provided on the sides of the second air duct 12, located at the front and rear ends of the second air duct 12. The support ribs 121 support the air guide body 10 above the heat sink, and their orthogonal distribution prevents stress concentration on the heat sink and strengthens the air guide body 10, reducing deformation. The positioning ribs 122 restrict the movement of the air guide body 10 in the front-back and left-right directions, improving stability. By providing support ribs 121 and positioning ribs 122 below the air guide body 10, a single air guide can be fixed to the heat sink even without relying on the chassis sidewall, supporting scenarios where a single-channel configuration of electronic equipment requires only one air guide.

[0042] In this embodiment, the air guides can be installed or removed according to configuration changes through tool-free installation and removal and the independence of the air guides (i.e., removing one of the two air guides does not affect the fixation of the other). One side of the air guide is fixed to the slot 17 by a protrusion 16, and the other side is fixed to the side wall of the chassis by a T-shaped clip 18. In addition, the heat sink also provides support for a single air guide. The installation and removal process is tool-free, avoiding the cumbersome operation caused by removing the original air guide cover and replacing it with a new one when the number of CPUs changes in the configuration. It is highly operable, provides a better customer experience, and improves maintenance efficiency.

[0043] In this embodiment, the first air guide 100 and the second air guide 200 are symmetrically arranged in the overall structure. Therefore, the first air guide 100 and the second air guide 200 of the air guide cover in this embodiment can be adapted to different models of electronic devices.

[0044] In this embodiment, as Figures 1 to 2 As shown, a gripping mark 20 is provided on the top surface of the air guide body 10. The gripping mark 20 provides guidance for maintenance personnel, thereby guiding them to perform installation and disassembly in a convenient and quick manner.

[0045] Furthermore, such as Figures 1 to 2 As shown, the top surface of the air guide body 10 is also provided with a memory serial number label 40, which makes it convenient for testers and users to determine the location of the memory module.

[0046] In this embodiment, the first air guide 100 and the second air guide 200 are different colors. Different colors represent different functions, making it easier to distinguish between the first air guide 100 and the second air guide 200, thus improving selection efficiency and accuracy. Furthermore, the cables corresponding to the first air guide 100 and the second air guide 200 can also be distinguished by color, facilitating operation and maintenance.

[0047] It should be noted that "multiple" in the above embodiments refers to at least two.

[0048] As can be seen from the above description, the embodiments of this application achieve the following technical effects:

[0049] The air guide shroud of the electronic device in this embodiment includes a detachably connected first air guide section 100 and a second air guide section 200, which are respectively configured to guide airflow through the first processor module and the second processor module. In this way, when it is necessary to adapt to a single-processor configuration of the first processor module or the second processor module, the corresponding air guide section only needs to be installed in the chassis. When it is necessary to adapt to a dual-processor configuration of the first processor module and the second processor module, the two air guide sections are connected and installed in the chassis. This avoids the need to replace the entire air guide shroud when switching between single and dual-processor configurations of the server, greatly improves the applicability of the air guide shroud, and significantly reduces the heat dissipation cost and the complexity of air guide shroud replacement.

[0050] The above provides a detailed description of an electronic device provided in this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The descriptions of the embodiments above are merely for the purpose of helping to understand the method and core ideas of this application. It should be noted that those skilled in the art can make various improvements and modifications to this application without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this application.

Claims

1. An electronic device, comprising: include: Chassis; A motherboard, which is installed in the chassis, is configured to install a first processor module and / or a second processor module; The air guide includes a first air guide (100) and a second air guide (200) that are detachably connected. The first air guide (100) is mounted on the upper part of the first processor module and is configured to guide airflow through the first processor module. The second air guide (200) is mounted on the upper part of the second processor module and is configured to guide airflow through the second processor module.

2. The electronic device of claim 1, wherein, The first air guide (100) and the second air guide (200) are arranged side by side along the first direction. Both the first air guide (100) and the second air guide (200) include an air guide body (10). The air guide body (10) is provided with a first air duct (11) and a second air duct (12). The first air duct (11) and the second air duct (12) extend along the second direction and are arranged sequentially along the first direction. The second direction is perpendicular to the first direction.

3. The electronic device of claim 2, wherein, Each of the two air guide bodies (10) has a protrusion (16) and a slot (17) on one side that is close to each other. The protrusion (16) and the slot (17) extend along a third direction. Each protrusion (16) and each slot (17) corresponds to and engages with each other. Along the second direction, the protrusion (16) and the slot (17) are spaced apart and located sequentially on different air guide bodies (10). The third direction is perpendicular to both the first direction and the second direction.

4. The electronic device of claim 3, wherein, The outer surface of the protrusion (16) is provided with a sliding rib (161), which extends along the third direction and is used to slide and engage with the inner wall of the slot (17).

5. The electronic device of claim 2, wherein, Two air guide bodies (10) are provided with a fastening member (30) on their respective sides that are close to each other. The fastening member (30) includes an elastic buckle (31) and a stop wall (32) arranged sequentially along the second direction. The elastic buckle (31) in each fastening member (30) is engaged with the stop wall (32) in the other fastening member (30) along a third direction. The third direction is perpendicular to both the first direction and the second direction.

6. The electronic device of claim 2, wherein, T-shaped buckles (18) are provided on the side of the two air guide bodies (10) that are far apart from each other, for engaging with the side wall of the chassis.

7. The electronic device of claim 2, wherein, The front end of the first air duct (11) has an inclined surface (111) that is inclined toward the front end of the air guide body (10), and an air passage (112) is provided on the inclined surface (111).

8. The electronic device of claim 7, wherein, The inclined surface (111) is detachably connected to the air guide body (10).

9. The electronic device of claim 2, wherein, The rear end of the second air duct (12) is provided with a connecting beam (14), which extends along the first direction and connects the two side walls of the second air duct (12).

10. The electronic device of claim 9, wherein, The connecting beam (14) is provided with a square buckle (15). There is at least one square buckle (15). When there are multiple square buckles (15), the multiple square buckles (15) are spaced apart along the first direction.

11. The electronic device of claim 2, wherein, The two air guide bodies (10) are also provided with a cable management channel (13) on the side that is close to each other. The cable management channel (13) extends along the second direction and is far away from the first air duct (11) relative to the second air duct (12).

12. The electronic device of claim 11, wherein, The front end of the cable management channel (13) has a cable routing groove (131), the rear end of the cable management channel (13) has a cable routing hole (132), and a cable routing buckle (133) is provided in the cable management channel (13) so that the cable passes through the cable routing groove (131), the cable routing buckle (133) and the cable routing hole (132) in sequence.

13. The electronic device of claim 2, wherein, The top surface of the second air duct (12) is provided with a support rib (121), and there are multiple support ribs (121), which extend intersectingly along the first direction and the second direction; The second air duct (12) is provided with positioning ribs (122) on its side. There are multiple positioning ribs (122), and the multiple positioning ribs (122) are located at the front end and rear end of the second air duct (12).

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