A server heat dissipation assembly for a virtual power plant and a server

Abstract

The application relates to the field of virtual power plant servers, in particular to a virtual power plant server heat dissipation assembly and a server, which comprises a server shell for protecting hardware and software; a heat dissipation mechanism for heat dissipation treatment of the virtual power plant server, which is arranged on the outer side of the server shell; wherein the heat dissipation mechanism comprises a pivot seat fixedly installed on the outer side of the server shell, a fixed shaft fixedly installed in the inside of the pivot seat, and a door frame rotatably installed on the outside of the fixed shaft. The virtual power plant server heat dissipation assembly and the server are characterized in that the positioning head is arranged in the gap in the inner cavity bottom of the fixed rail, the spring is compressed, the sliding block passes the first positioning head, the second positioning head is extruded, and the second positioning head is embedded and matched with the bottom of the sliding block, so that the positioning and limiting treatment of the first side hole plate is realized.

Description

Technical Field

[0001] This invention relates to the field of server technology for virtual power plants, specifically to a heat dissipation component and server for a virtual power plant. Background Technology

[0002] The Virtual Power Plant (VPP) server is the core infrastructure supporting the operation of a virtual power plant. It is responsible for key functions such as data processing, resource scheduling, communication interaction, and decision optimization. It is the "nerve center" connecting distributed energy sources (such as photovoltaic, wind power, and energy storage equipment), user-side loads (such as smart homes and industrial electricity) and the power grid dispatch center.

[0003] The existing virtual power plant servers and heat dissipation components have the following problems: Traditional rack-mounted servers are prone to local overheating due to their high internal hardware integration (such as multiple CPUs, multiple memory, and multiple hard drives) and relatively closed chassis structure, which limits the design of heat dissipation channels. At the same time, it is difficult to exchange heat with the outside air. Summary of the Invention

[0004] The present invention provides a server heat dissipation component and server for virtual power plants to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a server heat dissipation component for a virtual power plant, comprising a server housing for protecting the hardware and software;

[0006] A heat dissipation mechanism is used to dissipate heat from the server used in the virtual power plant, and the heat dissipation mechanism is located on the outside of the server housing;

[0007] The heat dissipation mechanism includes a support shaft seat, which is fixedly installed on the outside of the server housing. A fixed shaft is fixedly installed inside the support shaft seat, and a door frame is rotatably installed on the outside of the fixed shaft. A handle is fixedly installed on the side of the door frame away from the server housing.

[0008] The outer perimeter of the door frame is flexible and is squeezed and adapted to the inner wall of the server housing so that the door frame will be limited when it comes into contact with the server housing.

[0009] Preferably, a socket frame is fixedly installed on the side of the door frame away from the server housing, and a first side hole plate is slidably adapted inside the socket frame;

[0010] Both the socket frame and the circumferential portion of the first side plate are provided with filter holes, and the second handle is fixedly installed on the side of the first side plate away from the socket frame.

[0011] Preferably, a hydraulic rod is connected to the inner side of the door frame via a plate, and a closing plate is fixedly installed at the end of the hydraulic rod away from the door frame. A No. 3 handle is fixedly installed on one side of the closing plate, and a No. 2 side hole plate is fixedly installed on the side of the closing plate away from the No. 3 handle.

[0012] The second side perforated plate is inserted into the center of the first side perforated plate, and the second side perforated plate also has filter holes on its circumferential side.

[0013] Preferably, limit blocks are fixedly installed at both the upper and lower ends of the sealing plate, and the outer side of the limit blocks is pressed and adapted to the first side hole plate.

[0014] The limiting block presses against the first side hole plate, causing the first side hole plate to extend outward from inside the socket frame.

[0015] Preferably, fixed rails are fixedly installed at both the upper and lower ends of the socket frame. The fixed rails have notches inside, and springs are fixedly connected inside the notches. A positioning head is fixedly connected to the top of the springs, and the positioning head slides within the notches.

[0016] A server, comprising:

[0017] A server mechanism for adjusting the position of hardware facilities is located on the outside of the server housing;

[0018] The server mechanism includes a spring-loaded telescopic rod, which is fixedly installed at the bottom of the inner cavity of the server housing and is used for supporting and cushioning the hardware.

[0019] Preferably, a sliding groove is provided on the outer side of the server housing, and a support plate is slidably adapted inside the sliding groove. The support plate is used to separate several hardware facilities, and an outer cover plate is fixedly connected to the outer side of the support plate. Extension plates are fixedly connected to both ends of the outer cover plate.

[0020] A top arc block is fixedly connected to the outer side of the outer jacket plate.

[0021] Preferably, a bending rod is fixedly connected to the outer side of the server housing, a first ventilation pipe is fixedly connected to the top of the bending rod, a filter screen is fixedly connected to the outer end face of the first ventilation pipe, a frame is fixedly connected to the inner side of the first ventilation pipe, a motor is fixedly installed inside the frame, and a fan is connected to the output end of the motor through a coupling.

[0022] The fan is used to dissipate heat from the hardware inside the server casing.

[0023] Preferably, a second ventilation pipe is fixedly connected to the outer side of the server housing, a shaft sleeve is fixedly connected to the outer side of the motor output end, a telescopic rod is fixedly connected to the outer side of the shaft sleeve, and a nested ring is fixedly connected to the end of the telescopic rod away from the shaft sleeve.

[0024] The two sides of the nested ring are respectively fitted into the No. 1 ventilation pipe and the No. 2 ventilation pipe.

[0025] Preferably, both ends of the nested ring are inserted with inner rings, and both ends of the nested ring are fixedly connected with flexible sheets;

[0026] The rotation of the motor output shaft causes the telescopic rod to generate centrifugal force, which in turn increases the diameter of the ring formed by the inner ring and the nested ring, thus squeezing the top arc block.

[0027] Compared with the prior art, the beneficial effects of the present invention are:

[0028] 1. The positioning head is inserted into the notch at the bottom of the fixed rail cavity, and the spring is compressed at the same time. As a result, the slider will pass the first positioning head and then squeeze the second positioning head until the second positioning head fits into the bottom of the slider, thereby achieving the positioning and limiting function of the first side hole plate.

[0029] 2. As the No. 1 side perforated plate extends outward from the socket frame, the filter holes of the two plates will intersect, thereby increasing the heat dissipation inside the server casing and the heat exchange area with the external airflow.

[0030] 3. The exposed area of ​​the heat dissipation holes can be directly controlled by the pull-out range of the telescopic structure: the smaller the pull-out range (such as only the first layer), the fewer heat dissipation holes are exposed (suitable for low heat dissipation requirements); when all three layers are fully pulled out, all heat dissipation holes are fully expanded (suitable for high heat generation scenarios), realizing "heat dissipation intensity can be adjusted as needed".

[0031] 4. The support plate connected to the outer shell moves downward along the slide and compresses the elastic telescopic rod. At this time, the gap between several hardware facilities becomes larger, thereby increasing the circulation space inside the server shell and increasing the airflow area to facilitate the dissipation of heat. Attached Figure Description

[0032] Figure 1 This is a schematic diagram of the external structure of a server heat dissipation component for a virtual power plant according to the present invention.

[0033] Figure 2 This is a schematic diagram of the heat dissipation mechanism of the present invention.

[0034] Figure 3 This is a front view schematic diagram of the heat dissipation mechanism of the present invention.

[0035] Figure 4 This is a longitudinal section diagram of the heat dissipation mechanism of the present invention.

[0036] Figure 5 This is an enlarged structural schematic diagram of some components of the heat dissipation mechanism of the present invention.

[0037] Figure 6 This is a cross-sectional view of the heat dissipation mechanism of the present invention.

[0038] Figure 7 This is a schematic diagram of the server mechanism of the present invention.

[0039] Figure 8 This is a side view of the server mechanism of the present invention.

[0040] Figure 9 This is a cross-sectional structural diagram of the server mechanism of the present invention.

[0041] Figure 10 This is a longitudinal section diagram of some components of the server mechanism of the present invention.

[0042] Figure 11 This is a cross-sectional structural diagram of a component of the server mechanism of the present invention.

[0043] In the diagram: 1. Server housing; 2. Heat dissipation mechanism; 3. Server mechanism; 21. Support bearing; 22. Fixed shaft; 23. Door frame; 24. Handle No. 1; 25. Socket frame; 26. Side perforated plate No. 1; 27. Handle No. 2; 28. Hydraulic rod; 29. ​​Sealing plate; 20. Side perforated plate No. 2; 201. Handle No. 3; 202. Fixed rail; 203. Spring; 204. Positioning head; 205. Slider; 206. 207. External rod; 308. Limiting block; 31. Elastic telescopic rod; 32. Slide groove; 33. Support plate; 34. Outer plate; 35. Extension plate; 36. Top arc block; 37. Bending rod; 38. No. 1 ventilation pipe; 39. Filter screen; 30. Frame; 301. Motor; 302. Fan; 303. Shaft sleeve; 304. Telescopic rod; 305. Nested ring; 306. Inner ring; 307. Tough sheet; 308. No. 2 ventilation pipe. Detailed Implementation

[0044] The present invention will now be further described with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments. It should be understood that the described embodiments are merely some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0045] Please see Figures 1 to 11 The present invention provides a technical solution: such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, it includes a server housing 1 for protecting the hardware and software;

[0046] The heat dissipation mechanism 2 is used to dissipate heat from the server used in the virtual power plant. The heat dissipation mechanism 2 is located on the outside of the server housing 1.

[0047] The heat dissipation mechanism 2 includes a support 21, which is fixedly installed on the outside of the server housing 1. A fixed shaft 22 is fixedly installed inside the support 21. A door frame 23 is rotatably installed on the outside of the fixed shaft 22. A handle 24 is fixedly installed on the side of the door frame 23 away from the server housing 1.

[0048] The outer periphery of the door frame 23 is resilient and is squeezed and adapted to the inner wall of the server housing 1 so that the door frame 23 will be limited when it comes into contact with the server housing 1.

[0049] A socket frame 25 is fixedly installed on the side of the door frame 23 away from the server housing 1, and a first side hole plate 26 is slidably fitted inside the socket frame 25.

[0050] Both the socket frame 25 and the first side perforated plate 26 have filter holes on their circumferential sides. The second handle 27 is fixedly installed on the side of the first side perforated plate 26 away from the socket frame 25. When the operator holds the third handle 201 and pushes it inward, the sealing plate 29 will pull the second side perforated plate 20 into the first side perforated plate 26 and squeeze the first side perforated plate 26. Then the first side perforated plate 26 will be pulled into the socket frame 25 until the force is transmitted to the door frame 23. The door frame 23, which is subjected to the squeezing force, will deflect inward through the fixed shaft 22 and squeeze and adapt to the inner cavity of the server housing 1, thereby achieving the sealing treatment of the server housing 1. The part of the door frame 23 that contacts the server housing 1 is tough.

[0051] A hydraulic rod 28 is connected to the inner side of the door frame 23 by a plate. A closing plate 29 is fixedly installed at the end of the hydraulic rod 28 away from the door frame 23. A third handle 201 is fixedly installed on one side of the closing plate 29. A second side hole plate 20 is fixedly installed on the side of the closing plate 29 away from the third handle 201.

[0052] The second side perforated plate 20 is inserted into the center of the first side perforated plate 26, and the second side perforated plate 20 also has filter holes on its circumferential side. The first side perforated plate 26 and the socket frame 25 both have filter holes on their circumferential sides. When the first side perforated plate 26 is retracted into the socket frame 25, the filter holes of the two overlap. However, as the first side perforated plate 26 extends outward from the socket frame 25, the filter holes of the two will intersect, thereby increasing the heat dissipation inside the server housing 1 and the heat exchange area with the external airflow.

[0053] Limiting blocks 207 are fixedly installed at both the upper and lower ends of the closed plate 29, and the outer side of the limiting block 207 is pressed and adapted to the first side hole plate 26.

[0054] The first side hole plate 26 is pressed by the limiting block 207 so that the first side hole plate 26 extends outward from the socket frame 25.

[0055] Fixed rails 202 are fixedly installed at both the upper and lower ends of the socket frame 25. The fixed rails 202 have notches inside, and springs 203 are fixedly connected inside the notches. A positioning head 204 is fixedly connected to the top of the springs 203, and the positioning head 204 slides and fits inside the notches. Similarly, when the temperature of the internal hardware of the server housing 1 is too high, the operator can manually pull the third handle 201 outward. At this time, the closed plate 29 connected to the third handle 201 will extend outward and stretch the hydraulic rod 28. At the same time, the second side hole plate 20 connected to the other side of the closed plate 29 will extend outward from the first side hole plate 26. The second side hole plate 20 also has filter holes on its circumferential side, which increases the heat dissipation of the internal hardware of the server housing 1. In addition, the heat dissipation mechanism 2 has a triple storage structure: when not pulled out, the door is closed and the heat dissipation holes are hidden, which can prevent dust and moisture and protect the internal hardware of the server housing 1 when it is not in operation. Meanwhile, the pull-out range of the telescopic structure can directly control the exposed area of ​​the heat dissipation holes: the smaller the pull-out range, such as only the first layer, the fewer heat dissipation holes are exposed, which is suitable for low heat dissipation requirements; when all three layers are fully pulled out, all heat dissipation holes are fully expanded, which is suitable for high heat dissipation scenarios, realizing "heat dissipation intensity can be adjusted as needed".

[0056] The fixed rail 202 has an internal sliding adapter with a slider 205. The bottom of the slider 205 is engaged with the positioning head 204. The positioning head 204 is used to limit and position the slider 205. When the temperature inside the server housing 1 rises, the second handle 27 can be manually pulled outward, causing the first side hole plate 26 connected to it to extend outward from the socket frame 25. At the same time, the slider 205, which is connected to the upper and lower ends of the first side hole plate 26 through the external rod 206, will move outward along the fixed rail 202. At this time, the slider 205 will squeeze the first positioning head 204 and cause the positioning head 204 to retract into the notch opened at the bottom of the inner cavity of the fixed rail 202. At the same time, it will compress the spring 203, so the slider 205 will pass the first positioning head 204 and then squeeze the second positioning head 204 until the second positioning head 204 is engaged with the bottom of the slider 205, thereby achieving the positioning and limiting function of the first side hole plate 26.

[0057] An external rod 206 is fixedly connected to the outer side of the slider 205, and the end of the external rod 206 away from the slider 205 is fixedly connected to the first side hole plate 26. The engagement force between the slider 205 and the positioning head 204 is greater than the friction force of the hydraulic rod 28 itself.

[0058] like Figure 7 , Figure 8 , Figure 9 , Figure 10 and Figure 11 As shown, server mechanism 3 is used for adjusting the position of hardware facilities. Server mechanism 3 is located on the outside of server housing 1.

[0059] The server mechanism 3 includes a spring telescopic rod 31, which is fixedly installed at the bottom of the inner cavity of the server housing 1 and is used for supporting and cushioning the hardware.

[0060] The server housing 1 has a sliding groove 32 on the outside, and a support plate 33 is slidably fitted inside the sliding groove 32. The support plate 33 is used to separate several hardware facilities, and an outer cover plate 34 is fixedly connected to the outside of the support plate 33. Both ends of the outer cover plate 34 are fixedly connected to extension plates 35.

[0061] A top arc block 36 is fixedly connected to the outer side of the outer jacket plate 34;

[0062] A bending rod 37 is fixedly connected to the outside of the server housing 1. A ventilation pipe 38 is fixedly connected to the top of the bending rod 37. A filter screen 39 is fixedly connected to the outer end face of the ventilation pipe 38. A rack 30 is fixedly connected to the inside of the ventilation pipe 38. A motor 301 is fixedly installed inside the rack 30. A fan 302 is connected to the output end of the motor 301 through a coupling.

[0063] Fan 302 is used to dissipate heat from the hardware inside the server housing 1.

[0064] A second ventilation pipe 308 is fixedly connected to the outside of the server housing 1. A shaft sleeve 303 is fixedly connected to the outside of the output end of the motor 301. A telescopic rod 304 is fixedly connected to the outside of the shaft sleeve 303. A nested ring 305 is fixedly connected to the end of the telescopic rod 304 away from the shaft sleeve 303.

[0065] The two sides of the nested ring 305 are respectively fitted into the first ventilation pipe 38 and the second ventilation pipe 308; the telescopic rod 304 has a reset function, and when the speed of the output end of the motor 301 does not reach the centrifugal force of the nested ring 305 and the inner ring 306 extending outward, the area of ​​the ring formed by the nested ring 305 and the inner ring 306 is the same as that of the first ventilation pipe 38 and the second ventilation pipe 308.

[0066] Both ends of the nested ring 305 are fitted with inner rings 306, and both ends of the nested ring 305 are fixedly connected with flexible plates 307. Starting the motor 301 causes the fan 302, connected to its output end via a coupling, to rotate, blowing heat out of the server housing 1. As the power of the motor 301 increases, its output speed also increases. At this moment, the telescopic rod 304, connected to its output end via a shaft sleeve 303, generates centrifugal force. Simultaneously, the nested ring 305, connected to the other end of the telescopic rod 304, also generates centrifugal force, causing the telescopic rod 304 to extend outward. Then, the inner ring 306, originally embedded inside the nested ring 305, extends outward. However, it will not detach from the nested ring 305. At this time, the area of ​​the ring formed by the nested ring 305 and the inner ring 306 will increase. As the ring gradually increases, it will continue to squeeze the top arc block 36. The squeezed top arc block 36 will move downward with the outer jacket plate 34. At the same time, the support plate 33 connected to the outer jacket plate 34 will move downward along the slide groove 32 and compress the elastic telescopic rod 31. At this time, the gap between several hardware facilities will increase, thereby increasing the internal circulation space of the server shell 1 and increasing the airflow area to facilitate the dissipation of heat. It also helps to prevent the hardware facilities from overheating and causing overload or short circuit between the virtual power plant.

[0067] The rotation of the output shaft of the motor 301 causes the telescopic rod 304 to generate centrifugal force, which in turn increases the diameter of the ring formed by the inner ring 306 and the nested ring 305, thus squeezing the top arc block 36.

[0068] When using this invention: First, the operator holds the third handle 201 and pushes it inward. Then, the sealing plate 29 will bring the second side hole plate 20 into the first side hole plate 26 and squeeze the first side hole plate 26. Then, the first side hole plate 26 will be pulled into the socket frame 25 until the force is transmitted to the door frame 23. The door frame 23, which is subjected to the squeezing force, will deflect inward through the fixed shaft 22 and squeeze and adapt to the inner cavity of the server housing 1. When the internal temperature of the server housing 1 rises, the second handle 27 can be manually pulled outward, causing the first side hole plate 26 connected to it to extend outward from the socket frame 25. At the same time, the slider 205, which is connected to the upper and lower ends of the first side hole plate 26 through the external rod 206, will move outward along the fixed rail 202. At this time, the slider 205 will squeeze the first positioning head 204 and cause the positioning head 204 to retract into the notch opened at the bottom of the inner cavity of the fixed rail 202. At the same time, it will compress the spring 203, so the slider 205 will pass the first positioning head 204 and then squeeze the second positioning head 204 until the second positioning head 204 is properly fitted with the bottom of the slider 205.

[0069] Both the first side perforated plate 26 and the socket frame 25 have filter holes on their circumferential sides. When the first side perforated plate 26 is retracted into the socket frame 25, the filter holes of the two overlap. However, as the first side perforated plate 26 extends outward from the socket frame 25, the filter holes of the two become interlaced. Similarly, when the temperature of the internal hardware of the server housing 1 is too high, the operator can manually pull the third handle 201 outward. At this time, the sealing plate 29 connected to the third handle 201 will extend outward and stretch the hydraulic rod 28. At the same time, the second side perforated plate 20 connected to the other side of the sealing plate 29 will extend outward from the first side perforated plate 26. The second side perforated plate 20 also has filter holes on its circumferential side.

[0070] When motor 301 is started, the fan 302, connected to its output end via a coupling, rotates, blowing heat out of the server housing 1. As the power of motor 301 increases, its output speed also increases. At this moment, the telescopic rod 304, connected to its output end via a shaft sleeve 303, generates centrifugal force. Simultaneously, the nested ring 305, connected to the other end of the telescopic rod 304, also generates centrifugal force, causing the telescopic rod 304 to extend outward. Then, the ring originally embedded in... The inner ring 306 inside the nested ring 305 will extend outwards but will not detach from the nested ring 305. At this time, the area of ​​the ring formed by the nested ring 305 and the inner ring 306 will increase. As the ring gradually increases, it will continuously compress the top arc block 36. The compressed top arc block 36 will move downwards along with the outer sleeve plate 34. At the same time, the support plate 33 connected to the outer sleeve plate 34 will move downwards along the slide groove 32 and compress the elastic telescopic rod 31. At this time, the gap between several hardware facilities will increase. The telescopic rod 304 has a reset function. When the speed of the output end of the motor 301 does not reach the centrifugal force of the nested ring 305 and the inner ring 306 extending outwards, the area of ​​the ring formed by the nested ring 305 and the inner ring 306 is the same as that of the first ventilation pipe 38 and the second ventilation pipe 308, respectively.

[0071] The above embodiments are merely preferred embodiments of the present invention and should not be construed as limiting the scope of protection of the present invention. Any modifications made by those skilled in the art based on the above concepts without creative effort shall fall within the scope of protection of the present invention.

Claims

1. A server heat dissipation component for a virtual power plant, characterized in that, include: Server casing used to protect hardware and software; A heat dissipation mechanism is used to dissipate heat from the server used in the virtual power plant, and the heat dissipation mechanism is located on the outside of the server housing; The heat dissipation mechanism includes a support shaft seat, which is fixedly installed on the outside of the server housing. A fixed shaft is fixedly installed inside the support shaft seat, and a door frame is rotatably installed on the outside of the fixed shaft. A handle is fixedly installed on the side of the door frame away from the server housing. The outer periphery of the door frame is flexible and is squeezed and adapted to the inner wall of the server housing so that the door frame will be limited when it comes into contact with the server housing. A socket frame is fixedly installed on the side of the door frame away from the server housing, and a first side hole plate is slidably adapted inside the socket frame. Both the socket frame and the circumferential portion of the first side hole plate are provided with filter holes, and the second handle is fixedly installed on the side of the first side hole plate away from the socket frame. The inner side of the door frame is connected to a hydraulic rod by a plate. A closing plate is fixedly installed at the end of the hydraulic rod away from the door frame. A No. 3 handle is fixedly installed on one side of the closing plate. A No. 2 side hole plate is fixedly installed on the side of the closing plate away from the No. 3 handle. The second side perforated plate is inserted into the center of the first side perforated plate, and the second side perforated plate also has filter holes on its circumferential side. Limiting blocks are fixedly installed at both the upper and lower ends of the sealing plate, and the outer side of the limiting block is pressed and adapted to the first side hole plate. The first side hole plate is pressed by the limiting block so that the first side hole plate extends outward from the socket frame; The upper and lower ends of the socket frame are fixedly installed with fixed rails. The fixed rails have notches inside, and springs are fixedly connected inside the notches. A positioning head is fixedly connected to the top of the springs, and the positioning head slides and adapts to the notches. The fixed rail is equipped with a slider inside, and the bottom of the slider is engaged with the positioning head, wherein the positioning head is used for limiting and positioning the slider. An external rod is fixedly connected to the outside of the slider, and the end of the external rod away from the slider is fixedly connected to the first side hole plate.

2. A server, comprising the server heat dissipation component for a virtual power plant as described in claim 1, characterized in that, include: A server mechanism for adjusting the position of hardware facilities is located on the outside of the server housing; The server mechanism includes a spring-loaded telescopic rod, which is fixedly installed at the bottom of the inner cavity of the server housing and is used for supporting and cushioning the hardware.

3. A server according to claim 2, characterized in that: The server housing has a sliding groove on its outer side, and a support plate is slidably fitted inside the sliding groove. The support plate is used to separate several hardware devices, and an outer cover plate is fixedly connected to the outer side of the support plate. Extension plates are fixedly connected to both ends of the outer cover plate. A top arc block is fixedly connected to the outer side of the outer jacket plate.

4. A server according to claim 3, characterized in that: A bending rod is fixedly connected to the outside of the server housing. A ventilation pipe is fixedly connected to the top of the bending rod. A filter screen is fixedly connected to the outer end face of the ventilation pipe. A frame is fixedly connected to the inside of the ventilation pipe. A motor is fixedly installed inside the frame. A fan is connected to the output end of the motor through a coupling. The fan is used to dissipate heat from the hardware inside the server casing.

5. A server according to claim 4, characterized in that: A second ventilation pipe is fixedly connected to the outside of the server housing, a shaft sleeve is fixedly connected to the outside of the motor output end, a telescopic rod is fixedly connected to the outside of the shaft sleeve, and a nested ring is fixedly connected to the end of the telescopic rod away from the shaft sleeve. The two sides of the nested ring are respectively fitted into the No. 1 ventilation pipe and the No. 2 ventilation pipe.

6. A server according to claim 5, characterized in that: Both ends of the nested ring are inserted with inner rings, and both ends of the nested ring are fixedly connected with flexible sheets. The rotation of the motor output shaft causes the telescopic rod to generate centrifugal force, which in turn increases the diameter of the ring formed by the inner ring and the nested ring, thus squeezing the top arc block.

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