Fan adjustment mechanism and chassis

Abstract

A fan adjustment mechanism and a chassis are disclosed. The chassis includes a rear plate, a side plate connected to the rear plate, and a bottom plate. The rear plate and the side plate are mounted on the bottom plate. The fan adjustment mechanism is disposed in the chassis and includes a mounting plate and a rotatable bracket. The mounting plate is mounted on the side plate. The rotatable bracket is pivotally connected to the mounting plate. At least one first fan is mounted on the rotatable bracket. The side plate has multiple air inlets. The first fan is positioned close to the air inlets. The air inlet surface of the first fan forms an air inlet angle with the side plate. The first fan is rotated via the rotatable bracket with the mounting plate as an axis to adjust the air inlet angle.

Description

Fan adjustment mechanism and chassis Technical Field

[0001] This invention relates to the field of heat dissipation technology, and in particular to a fan adjustment mechanism and a chassis that conforms to the design of a seaside house. Prior Technology

[0002] In existing technologies, the air intake and exhaust ports of computer cases are mostly connected by right-angle air ducts. Although right-angle air ducts can guide airflow from the air intake to the exhaust port, they will cause turbulence at the right angle. At the same time, in existing computer cases, once the positions of the air intake and exhaust ports are determined, the distance between the air ducts is also fixed. Users cannot adjust the distance of the air ducts themselves, which makes it impossible to adjust the cooling effect of the computer case according to actual needs.

[0003] In addition, most existing computer cases adopt a right-angle design, which leads to a larger footprint.

[0004] Therefore, there is an urgent need to develop a fan adjustment mechanism that overcomes the above-mentioned defects and a chassis that is suitable for ocean view room design. Summary of the Invention

[0005] To solve the above-mentioned technical problems, this invention provides a fan adjustment mechanism, wherein the chassis includes a rear plate, a side plate connected to the rear plate, and a bottom plate, the rear plate and the side plate are mounted on the bottom plate, and the fan adjustment mechanism is disposed in the chassis. The fan adjustment mechanism includes:

[0006] Mounting plate, installed on the side plate;

[0007] A rotatable bracket is pivotally connected to the mounting plate. At least one first fan is mounted on the rotatable bracket. The side plate has multiple air inlets. The first fan is positioned close to the air inlets, and the air inlet surface of the first fan forms an air inlet angle with the side plate.

[0008] The first fan is driven to rotate via the rotatable bracket and the mounting plate as an axis to adjust the air intake angle.

[0009] The aforementioned fan adjustment mechanism includes a rotatable bracket comprising an upper frame, a lower frame, two side frame strips, and at least one partition frame. The upper frame, the lower frame, and the side frame strips are connected in a surrounding manner. The two ends of the partition frame strip are respectively connected to the two side frame strips to form at least two fan mounting areas. The first fan is mounted in one of the fan mounting areas.

[0010] The aforementioned fan adjustment mechanism further includes a locking fastener. The bottom of the lower frame has a locking part, and the locking fastener passes through the locking part and is detachably connected to the base plate to fix the rotatable bracket.

[0011] In the aforementioned fan adjustment mechanism, the base plate has a locking groove, and one end of the locking fastener passes through the locking part and is connected to the locking groove.

[0012] In the aforementioned fan adjustment mechanism, one side of the mounting plate has at least one first bushing, the side frame bar has at least one second bushing on the side facing the mounting plate, and the rotatable bracket further includes at least one rotating shaft, a portion of which is disposed in the first bushing, and the second bushing is sleeved on the other portion of the rotating shaft.

[0013] In the aforementioned fan adjustment mechanism, the angle adjustment range of the air intake angle is 0 degrees to 45 degrees.

[0014] This invention also provides a chassis, comprising:

[0015] The system comprises a front plate, a rear plate, side plates, a top plate, and a bottom plate. The side plates are disposed on one side of the bottom plate and connected to the bottom plate. The rear plate is disposed on the rear side of the bottom plate and connected to the bottom plate and the side plates. The front plate is disposed on the front side of the bottom plate and connected to the bottom plate and the side plates. The front plate also extends to the other side of the bottom plate and is connected to the rear plate. The top plate is located above the bottom plate and is connected to the front plate, the side plates, and the rear plate.

[0016] The front panel includes a flat section and a curved section. The flat section is connected to the rear panel and the curved section. The curved section is connected to the side panel. The side panel has multiple air inlets, and the rear panel has multiple air outlets. The curved section on the inner side of the front panel changes the airflow direction to guide the airflow entering from the air inlets to the air outlets for discharge.

[0017] The chassis further includes a fan adjustment mechanism and at least one first fan, the fan adjustment mechanism comprising:

[0018] Mounting plate, installed on the side plate;

[0019] A rotatable bracket is pivotally connected to the mounting plate. The first fan is mounted on the rotatable bracket and is positioned close to the air inlet. The air inlet surface of the first fan forms an air inlet angle with the side plate.

[0020] The first fan is driven to rotate via the rotatable bracket and the mounting plate as an axis to adjust the air intake angle.

[0021] The aforementioned chassis further includes a partition plate installed inside the chassis and connected to the rear panel and the mounting plate. The partition plate divides the interior of the chassis into an inner cavity and an outer cavity. The fan adjustment mechanism is located in the outer cavity, and the surface of the partition plate facing the outer cavity is used to mount the heating element.

[0022] The aforementioned chassis also includes an auxiliary air guide shroud mounted on the mounting plate. The auxiliary air guide shroud has a curved guide surface that changes the airflow direction to guide the airflow entering from the air inlet to the air outlet for discharge.

[0023] The aforementioned chassis also includes a second fan, which is disposed inside the chassis and mounted on the rear panel.

[0024] The aforementioned chassis further includes a third fan assembly, which includes at least one third fan and a mounting bracket. The third fan is installed within the mounting bracket, and the mounting bracket is installed on the rear panel.

[0025] In the aforementioned chassis, at least one ventilation hole is provided on the top plate and the bottom plate.

[0026] In the aforementioned chassis, both the top plate and the bottom plate have recesses, and the vent is located in the recess. The chassis includes two sealing plates, which are correspondingly installed on the recesses to seal the vent.

[0027] In the aforementioned chassis, the front panel is made of transparent acrylic material or glass.

[0028] The aforementioned chassis, wherein the rotatable bracket includes: an upper frame strip, a lower frame strip, two side frame strips and at least one partition frame strip, the upper frame strip, the lower frame strip and the side frame strips are connected in a surrounding manner, and the two ends of the partition frame strip are respectively connected to the two side frame strips to form at least two fan mounting areas, and the first fan is mounted in the fan mounting area.

[0029] The aforementioned chassis further includes a locking fastener, wherein the bottom of the lower frame strip has a locking part, the locking fastener passes through the locking part and is detachably connected to the base plate to fix the rotatable bracket.

[0030] In the aforementioned chassis, the base plate has a locking groove, and one end of the locking fastener passes through the locking part and is connected to the locking groove.

[0031] In the aforementioned chassis, one side of the mounting plate has at least one first bushing, the side frame strip has at least one second bushing on the side facing the mounting plate, and the rotatable bracket further includes at least one rotating shaft, a portion of which is disposed in the first bushing, and the second bushing is sleeved on the other portion of the rotating shaft.

[0032] In the aforementioned chassis, the air intake angle is adjustable from 0 degrees to 45 degrees.

[0033] This invention also provides a chassis, comprising:

[0034] The system comprises a front plate, a rear plate, side plates, a top plate, and a bottom plate. The side plates are disposed on one side of the bottom plate and connected to the bottom plate. The rear plate is disposed on the rear side of the bottom plate and connected to the bottom plate and the side plates. The front plate is disposed on the front side of the bottom plate and connected to the bottom plate and the side plates. The front plate also extends to the other side of the bottom plate and is connected to the rear plate. The top plate is located above the bottom plate and is connected to the front plate, the side plates, and the rear plate.

[0035] Mounting plate, installed on the side plate;

[0036] The bracket is connected to the mounting plate;

[0037] At least one first fan is mounted on the bracket;

[0038] The front panel includes a flat section and a curved section. The flat section is connected to the rear panel and the curved section. The curved section is connected to the side panel. The side panel has multiple air inlets located opposite the first fan. The rear panel has multiple air outlets. The airflow direction is changed through the curved section on the inner side of the front panel to guide the airflow entering from the air inlets to the air outlets and then discharge it.

[0039] The aforementioned chassis further includes a partition plate installed inside the chassis and connected to the rear panel and the mounting plate. The partition plate divides the interior of the chassis into an inner cavity and an outer cavity, and the surface of the partition plate facing the outer cavity is used to mount heating elements.

[0040] The aforementioned chassis also includes an auxiliary air guide shroud mounted on the mounting plate. The auxiliary air guide shroud has a curved guide surface that changes the airflow direction to guide the airflow entering from the air inlet to the air outlet for discharge.

[0041] The aforementioned chassis also includes a second fan, which is disposed inside the chassis and mounted on the rear panel.

[0042] The aforementioned chassis further includes a third fan assembly, which includes at least one third fan and a mounting bracket. The third fan is installed within the mounting bracket, and the mounting bracket is installed on the rear panel.

[0043] In the aforementioned chassis, at least one ventilation hole is provided on the top plate and the bottom plate.

[0044] In the aforementioned chassis, both the top plate and the bottom plate have recesses, and the vent is located in the recess. The chassis includes two sealing plates, which are correspondingly installed on the recesses to seal the vent.

[0045] In the aforementioned chassis, the front panel is made of transparent acrylic material or glass.

[0046] Compared with the prior art, this new invention has the following advantages: First, the curved part of the front panel forms a curved air duct to avoid turbulence at the bend. Second, the airflow guidance efficiency is improved by the auxiliary air guide cover. Third, the air intake angle is adjusted by the fan adjustment mechanism to change the air duct distance, so that users can adjust and balance the compatibility between heat dissipation and appearance according to their actual needs for heat dissipation or appearance, thereby improving the applicability of the product. Simple Explanation of the Diagram

[0047] Figure 1 is a perspective view of the chassis of this novel invention. Figure 2 is a three-dimensional schematic diagram of the chassis of this novel invention from another perspective. Figure 3 is an internal schematic diagram of the first embodiment of the chassis of this novel invention. Figure 4 is a top view of Figure 3. Figure 5 is an exploded view of the fan adjustment mechanism of this novel invention. Figure 6 is an internal schematic diagram of the second embodiment of the chassis of this novel invention. Figure 7 is an internal schematic diagram of the third embodiment of the chassis of this novel invention. Implementation

[0048] Please refer to Figures 1 and 2. Figure 1 is a perspective view of the chassis of this invention from one angle, and Figure 2 is a perspective view of the chassis of this invention from another angle. As shown in Figures 1 and 2, a chassis 1 of this invention includes: a front panel 11, a rear panel 12, a side panel 13, a top panel 14, and a bottom panel 15. The side panel 13 is disposed on one side of the bottom panel 15 and connected to the bottom panel 15. The rear panel 12 is disposed on the rear side of the bottom panel 15 and connected to the bottom panel 15 and the side panel 13. The front panel 11 is disposed on the front side of the bottom panel 15 and connected to the bottom panel 15 and the side panel 13. The front panel 11 also extends to the other side of the bottom panel 15 and is connected to the rear panel 12. The top panel 14 is located above the bottom panel 15 and is connected to the front panel 11, the side panel 13, and the rear panel 12. The front panel 11 includes... The front panel 111 is connected to the rear panel 12 and the curved portion 112. The curved portion 112 is connected to the side panel 13. The side panel 13 has multiple air inlets K1 and the rear panel 12 has multiple air outlets K2. The airflow direction is changed by the curved portion of the inner side surface S1 of the front panel 11 so that the airflow entering from the air inlets K1 is guided to the air outlets K2 and then discharged. Thus, the main airflow of this novel chassis is introduced from the side panel 13 and guided by the curved portion 112 of the front panel 11 to form a turning airflow. This design can achieve both the excellent shape of a sea view room and the excellent heat dissipation effect similar to the front and rear airflow.

[0049] In this embodiment, the front panel 11 is made of transparent acrylic or glass.

[0050] It should be noted that, in this embodiment, the front plate 11 is a one-piece curved plate, and the cross-section of its curved portion 112 has a smooth arc-shaped profile, and the arc-shaped profile changes continuously in the extension direction of the plate.

[0051] Please refer to Figures 3 and 4. Figure 3 is an internal schematic diagram of the first embodiment of the chassis of this invention, and Figure 4 is a top view of Figure 3. As shown in Figures 3 and 4, the chassis 1 also includes at least one first fan 16 and one second fan 17. The first fan 16 is disposed inside the chassis 1 and is located opposite the air inlet K1. The second fan 17 is disposed inside the chassis 1 and mounted on the rear panel 12. The second fan 17 is located opposite the air outlet K2. The first fan 16 is driven so that the airflow enters the chassis 1 through the air inlet K1, and then the airflow is guided to the second fan 17 through the curved portion 112 of the front panel 11. The second fan 17 is driven so that the airflow is discharged from the chassis through the air outlet K2.

[0052] Furthermore, the chassis 1 includes a partition plate 18, an auxiliary air guide shroud 19, and two sealing plates 20. The partition plate 18 is installed inside the chassis 1 and connected to the rear plate 12 and the mounting plate 211. The partition plate 18 divides the interior of the chassis 1 into an inner cavity Q1 and an outer cavity Q2. The fan adjustment mechanism 21 is located in the outer cavity Q2. The surface of the partition plate 18 facing the outer cavity Q2 is used to install a first heating element G, and the surface of the partition plate 18 facing the inner cavity Q1 is used to install a second heating element. In this embodiment, the first heating element can be a high-heat-generating component such as a CPU or GPU, and the second heating element can be a low-heat-generating component such as a power supply or hard drive, or a component with its own heat dissipation device. The side plate 13 also has air inlets K1 in the area located in the inner cavity Q1.

[0053] It should be noted that in this embodiment, the partition plate 18 is L-shaped and integrated with the mounting plate 211. However, this invention is not limited to this. In other embodiments, the partition plate 18 and the mounting plate 211 can also be separate structures. When they are separate structures, one end of the partition plate 18 is connected to the side plate 13, and the other end of the partition plate 18 is connected to the rear plate 12.

[0054] The auxiliary air guide shroud 19 is installed on the mounting plate 211. The auxiliary air guide shroud 19 has a curved air guide surface S2. The airflow direction is changed through the air guide surface S2 so that the airflow entering from the air inlet K1 is guided to the air outlet K2 and discharged. The turning air duct formed by the cooperation of the air guide surface S2 and the inner side surface S1 further improves the airflow speed.

[0055] The top plate 14 and the bottom plate 15 are each provided with at least one vent K3, through which heat can be dissipated. In this embodiment, both the top plate 14 and the bottom plate 15 have a recess R, and the vent K3 is located in the recess R. The sealing plate 20 is correspondingly installed on the recess R to close the vent K3. Specifically, when the customer's heat dissipation demand is high, the vent K3 can be closed through the sealing plate 20, so that the inside of the chassis has a more complete and concentrated turning air duct. In other words, the airflow inside the chassis can only be discharged from the exhaust hole K2, thereby improving the heat dissipation efficiency; at the same time, the sealing plate 20 also plays a role in dust prevention. It should be noted that in this embodiment, the sealing plate 20 is made of PC material.

[0056] Please refer to Figure 5, which is an exploded view of the fan adjustment mechanism of this invention. As shown in Figure 5, the chassis 1 also includes a fan adjustment mechanism 21, which includes: a mounting plate 211 and a rotatable bracket 212. The mounting plate 211 is mounted on the side plate 13; the rotatable bracket 212 is pivotally connected to the mounting plate 211; the first fan 16 is mounted on the rotatable bracket 212; the first fan 16 is positioned close to the air inlet K1; the air inlet surface S3 of the first fan 16 forms an air inlet angle θ with the side plate 13; wherein, the first fan 16 is rotated through the rotatable bracket 212 with the mounting plate 211 as the axis to adjust the air inlet angle θ.

[0057] Furthermore, the rotatable bracket 212 includes: an upper frame strip 2121, a lower frame strip 2122, two side frame strips 2123, and at least one partition frame strip 2124. The upper frame strip 2121, the lower frame strip 2122, and the side frame strips 2123 are connected together. The two ends of the partition frame strip 2124 are respectively connected to the two side frame strips 2123 to form at least two fan mounting areas Q3. The first fan 16 is mounted in the fan mounting area Q3.

[0058] Furthermore, the fan adjustment mechanism 21 also includes a locking member 213. The bottom of the lower frame strip 2122 has a locking part SG. The locking member 213 passes through the locking part SG and is detachably connected to the base plate 15 to fix the rotatable bracket 212. In this embodiment, the base plate 15 has a locking groove 151, and one end of the locking member 213 passes through the locking part SG and connects to the locking groove 151.

[0059] Furthermore, the mounting plate 211 has at least one first bushing Z1 on one side, the side frame strip 2123 has at least one second bushing Z2 on the side facing the mounting plate 211, and the rotatable bracket 212 further includes at least one rotating shaft 2125, a portion of the rotating shaft 2125 is disposed in the first bushing Z1, and the second bushing Z2 is sleeved on the other portion of the rotating shaft 2125.

[0060] It should be noted that, in this embodiment, the air intake angle θ is adjustable from 0 degrees to 45 degrees.

[0061] Figure 6 is an internal schematic diagram of the second embodiment of the chassis of this novel invention. As shown in Figure 6, and referring to Figure 5, in this embodiment, the first fan 16 of the chassis 1 is mounted on the rotatable bracket 212. The air intake angle θ is adjusted through the rotatable bracket 212 to adjust the air duct distance. The larger the air intake angle θ between the first fan 16 and the side plate 13, the stronger the heat dissipation effect. Users can adjust and balance the compatibility between heat dissipation and appearance according to their own heat dissipation needs or actual appearance requirements.

[0062] It should be noted that in the first embodiment, the first fan 16 can also be directly mounted on the side plate 13. In other words, in the first embodiment, the chassis 1 may not be provided with a fan adjustment mechanism 21, but only by having a curved air duct to improve the heat dissipation effect. In the second embodiment, the chassis 1 is provided with a fan adjustment mechanism 21, and the heat dissipation effect is improved by the cooperation of the curved air duct and the fan adjustment mechanism 21.

[0063] Please refer to Figure 7, which is an internal schematic diagram of the third embodiment of the chassis of this novel invention. As shown in Figure 7, the chassis shown in Figure 7 has a structure that is largely the same as that shown in Figure 6, so the identical parts will not be described again here. The differences are described below. In this embodiment, the chassis 1 further includes a third fan assembly 22, which includes at least one third fan 221 and a mounting bracket 222. The third fan 221 is installed in the mounting bracket 222, and the mounting bracket 222 is installed on the rear panel 12.

[0064] In one embodiment of the present invention, the chassis 1 further includes four support feet 23, which are mounted on the base plate 15.

[0065] In summary, on one hand, the curved portion of the front panel forms a turning air duct, avoiding turbulence at the turning point; on the other hand, the airflow guidance efficiency is improved through the auxiliary air guide cover; and on yet another hand, the air intake angle is adjusted through the fan adjustment mechanism to change the air duct distance, allowing users to adjust and balance the compatibility between heat dissipation and appearance according to their actual needs for heat dissipation or appearance, thereby improving the applicability of the product.

[0066] Therefore, the embodiments of this invention are sufficient to achieve the above-mentioned objectives and advantages, and can also achieve the essential effects that should be possessed. The specific embodiments described above are merely illustrative examples, and those skilled in the art can make various modifications and equivalent implementations after understanding the content of this invention. Except as described in the following claims, the disclosed structural and design details are not limited. Therefore, it is understood that the specific embodiments described above can be changed, combined, or modified, and all such changes should be considered to be covered within the scope and spirit of this invention. Furthermore, it should be understood that the constituent elements of this embodiment are not mutually exclusive, and those skilled in the art can arbitrarily combine the constituent elements according to design requirements.

[0067] 1: Chassis 11:Front panel S1: Inner side 111: Flat Panel 112: Bend 12: Back panel K2: Air outlet 13: Side panel K1: Air Inlet 14: Top Slab 15: Base Plate 151: Locking groove K3: Ventilation holes R: Depression 16: First Fan 17: Second Fan 18:Separating folding panels 19: Auxiliary air guide cover S2: Guide surface 20: Sealing plate Q1: Inner cavity Q2: External cavity G: First heating element 21: Fan adjustment mechanism 211: Mounting plate Z1: First bushing 212: Rotatable bracket 2121: Upper frame strip 2122: Bottom border SG: Locking part 2123: Side frame strip Z2: Second bushing 2124: Separator Bar Q3: Fan installation area 2125: Shaft 213: Locking hardware S3: Air intake side θ: Air intake angle 22: Third fan assembly 221: Third Fan 222: Mounting bracket

Claims

1. A fan adjustment mechanism, characterized in that it is disposed in a chassis, the chassis including a rear plate, a side plate connected to the rear plate, and a bottom plate, the rear plate and the side plate being mounted on the bottom plate, the fan adjustment mechanism comprising: Mounting plate, installed on the side plate; A rotatable bracket is pivotally connected to the mounting plate. At least one first fan is mounted on the rotatable bracket. The side plate has multiple air inlets. The first fan is positioned close to the air inlets. The air inlet surface of the first fan forms an air inlet angle with the side plate. The first fan is rotated via the rotatable bracket with the mounting plate as the axis to adjust the air inlet angle.

2. The fan adjustment mechanism as described in claim 1, wherein, The rotatable bracket includes: an upper frame strip, a lower frame strip, two side frame strips, and at least one partition frame strip. The upper frame strip, the lower frame strip, and the side frame strips are connected in a surrounding manner. The two ends of the partition frame strip are respectively connected to the two side frame strips to form at least two fan mounting areas. The first fan is mounted in the fan mounting area.

3. The fan adjustment mechanism as described in claim 2, wherein, It also includes a locking fastener, the bottom of the lower frame strip has a locking part, the locking fastener passes through the locking part and is detachably connected to the base plate to fix the rotatable bracket.

4. The fan adjustment mechanism as described in claim 3, wherein, The base plate has a locking groove, and one end of the locking part passes through the locking part and is connected to the locking groove.

5. The fan adjustment mechanism as described in claim 2, wherein, The mounting plate has at least one first bushing on one side, and the side frame strip has at least one second bushing on the side facing the mounting plate. The rotatable bracket also includes at least one rotating shaft, a portion of which is disposed in the first bushing, and the second bushing is sleeved on the other portion of the rotating shaft.

6. The fan adjustment mechanism as described in claim 1, wherein, The air intake angle can be adjusted from 0 degrees to 45 degrees.

7. A chassis, characterized in that it comprises: The chassis comprises a front panel, a rear panel, side panels, a top panel, and a bottom panel. The side panels are disposed on one side of the bottom panel and connected to it. The rear panel is disposed on the rear side of the bottom panel and connected to both the bottom panel and the side panels. The front panel is disposed on the front side of the bottom panel and connected to both the bottom panel and the side panels. The front panel also extends to the other side of the bottom panel and is connected to the rear panel. The top panel is located above the bottom panel and connected to the front panel, the side panels, and the rear panel. The front panel includes a flat section and a curved section. The flat section is connected to the rear panel and the curved section. The curved section is connected to the side panels. The side panels have multiple air inlets, and the rear panel has multiple air outlets. The airflow direction is altered by the curved section on the inner side of the front panel to guide the airflow entering through the air inlets to the air outlets for discharge. The chassis also includes a fan adjustment mechanism and at least one first fan. The fan adjustment mechanism includes: A mounting plate is installed on the side plate; and a rotatable bracket is pivotally connected to the mounting plate. The first fan is mounted on the rotatable bracket and is positioned close to the air inlet. The air inlet surface of the first fan forms an air inlet angle with the side plate. The first fan is rotated via the rotatable bracket with the mounting plate as the axis to adjust the air inlet angle.

8. The chassis as described in claim 7, wherein, It also includes a partition plate, which is installed inside the chassis and connected to the rear panel and the mounting plate. The partition plate divides the interior of the chassis into an inner cavity and an outer cavity. The fan adjustment mechanism is located in the outer cavity. The surface of the partition plate facing the outer cavity is used to install the heating element.

9. The chassis as described in claim 7, wherein, It also includes an auxiliary air guide shroud, which is mounted on the mounting plate. The auxiliary air guide shroud has a curved guide surface that changes the airflow direction to guide the airflow entering from the air inlet to the air outlet and then discharge it.

10. The chassis as described in claim 7, wherein, It also includes a second fan, which is located inside the chassis and mounted on the rear panel.

11. The chassis as described in claim 7, wherein, It also includes a third fan assembly, which includes at least one third fan and a mounting bracket. The third fan is installed in the mounting bracket, and the mounting bracket is installed on the rear plate.

12. The chassis as described in claim 7, wherein, At least one ventilation hole is provided on the top plate and the bottom plate.

13. The chassis as described in claim 12, wherein, Both the top plate and the bottom plate have recesses, and the vent is located in the recess. The chassis includes two sealing plates, which are correspondingly installed on the recesses to seal the vent.

14. The chassis as described in claim 7, wherein, The front panel is made of transparent acrylic or glass.

15. The chassis as described in claim 7, wherein, The rotatable bracket includes: an upper frame strip, a lower frame strip, two side frame strips, and at least one partition frame strip. The upper frame strip, the lower frame strip, and the side frame strips are connected in a surrounding manner. The two ends of the partition frame strip are respectively connected to the two side frame strips to form at least two fan mounting areas. The first fan is mounted in the fan mounting area.

16. The chassis as described in claim 15, wherein, It also includes a locking fastener, the bottom of the lower frame strip has a locking part, the locking fastener passes through the locking part and is detachably connected to the base plate to fix the rotatable bracket.

17. The chassis as described in claim 16, wherein, The base plate has a locking groove, and one end of the locking part passes through the locking part and is connected to the locking groove.

18. The chassis as described in claim 15, wherein, The mounting plate has at least one first bushing on one side, and the side frame strip has at least one second bushing on the side facing the mounting plate. The rotatable bracket also includes at least one rotating shaft, a portion of which is disposed in the first bushing, and the second bushing is sleeved on the other portion of the rotating shaft.

19. The chassis as described in claim 7, wherein, The air intake angle can be adjusted from 0 degrees to 45 degrees.

20. A chassis, characterized in that it comprises: The system comprises a front plate, a rear plate, side plates, a top plate, and a bottom plate. The side plates are disposed on one side of the bottom plate and connected to the bottom plate. The rear plate is disposed on the rear side of the bottom plate and connected to the bottom plate and the side plates. The front plate is disposed on the front side of the bottom plate and connected to the bottom plate and the side plates. The front plate also extends to the other side of the bottom plate and is connected to the rear plate. The top plate is located above the bottom plate and is connected to the front plate, the side plates, and the rear plate. A mounting plate is mounted on the side plates. A bracket is connected to the mounting plate. At least one first fan is mounted on the bracket. The front plate includes a flat portion and a curved portion. The flat portion is connected to the rear plate and the curved portion. The curved portion is connected to the side plates. The side plates have multiple air inlets opposite to the first fans. The rear plate has multiple air outlets. The airflow direction is changed by the curved portion of the inner side of the front plate to guide the airflow entering from the air inlets to the air outlets and then discharged.

21. The chassis as described in claim 20, wherein, It also includes a partition plate, which is installed inside the chassis and connected to the rear panel and the mounting plate. The partition plate divides the interior of the chassis into an inner cavity and an outer cavity. The surface of the partition plate facing the outer cavity is used to install heating elements.

22. The chassis as described in claim 20, wherein, It also includes an auxiliary air guide shroud, which is mounted on the mounting plate. The auxiliary air guide shroud has a curved guide surface that changes the airflow direction to guide the airflow entering from the air inlet to the air outlet and then discharge it.

23. The chassis as described in claim 20, wherein, It also includes a second fan, which is located inside the chassis and mounted on the rear panel.

24. The chassis as described in claim 20, wherein, It also includes a third fan assembly, which includes at least one third fan and a mounting bracket. The third fan is installed in the mounting bracket, and the mounting bracket is installed on the rear plate.

25. The chassis as described in claim 20, wherein, At least one ventilation hole is provided on the top plate and the bottom plate.

26. The chassis as described in claim 25, wherein, Both the top plate and the bottom plate have recesses, and the vent is located in the recess. The chassis includes two sealing plates, which are correspondingly installed on the recesses to seal the vent.

27. The chassis as described in claim 20, wherein, The front panel is made of transparent acrylic or glass.

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