Server and cabinet

Abstract

This application provides a server and a server rack. The server includes a central processing unit (CPU), a heat sink, a first air intake channel, a second air intake channel, and a fan assembly. The heat sink is located on one side of the CPU and is used to absorb heat from the CPU. The heat sink includes a first heat dissipation section and a second heat dissipation section arranged along a first direction. The first air intake channel is located on one side of the heat sink along a second direction, which intersects with the first direction. The second air intake channel is located between the first and second heat dissipation sections and connects the first air intake channel and the second heat dissipation section. The fan assembly drives air to flow along the first direction X. The air flows towards the first heat dissipation section to dissipate heat from it, and the air flows from the first air intake channel to the second air intake channel and then from the second air intake channel to the second heat dissipation section. By configuring the first and second air intake channels, cooler air is guided towards the second heat dissipation section to improve its heat dissipation capacity.

Description

Technical Field

[0001] This application relates to the field of computer technology, and in particular to a server and server rack. Background Technology

[0002] The central processing unit (CPU) is a crucial component of a server. During operation, the CPU generates a significant amount of heat. To ensure stable operation, a heatsink is typically installed on the CPU. After absorbing the heat, a fan inside the server drives cool air through the heatsink to dissipate the heat, thus cooling the CPU. However, the cooling capacity of this type of heatsink is relatively poor. Heat on the rearward side of the heatsink cannot be transferred in time, leading to locally higher temperatures on the CPU. Furthermore, as the power consumption of CPUs increases, simply installing a heatsink is no longer sufficient to meet the cooling requirements. Summary of the Invention

[0003] This application provides a server and a server rack.

[0004] In a first aspect, this application provides a server, the server including a central processing unit (CPU), a heat sink, a first air intake channel, a second air intake channel, and a fan assembly. The heat sink is located on one side of the CPU and is used to absorb heat from the CPU. The heat sink includes a first heat dissipation section and a second heat dissipation section arranged along a first direction. The first air intake channel is located on one side of the heat sink along a second direction, which intersects with the first direction. The second air intake channel is located between the first heat dissipation section and the second heat dissipation section, and connects the first air intake channel and the second heat dissipation section. The fan assembly is used to drive air to flow along the first direction, the air flowing from the first air intake channel to the second air intake channel, and from the second air intake channel to the second heat dissipation section.

[0005] In this application, on the one hand, at least part of the heat sink is divided into a first heat sink and a second heat sink along the airflow direction. The fan assembly drives air to directly dissipate heat from the first heat sink, and there is a large temperature difference between the air and the first heat sink, enabling the first heat sink to dissipate heat quickly. On the other hand, by setting a first air intake channel and a second air intake channel, the first air intake channel can guide cooler air through the second air intake channel to the second heat sink. This air does not pass through the first heat sink, and compared to the air flowing out of the first heat sink, the air blown to the second heat sink via the first and second air intake channels is cooler. Therefore, the temperature difference between this air and the second heat sink is large, the heat exchange capacity between the air and the second heat sink is improved, and the heat dissipation capacity of the second heat sink is enhanced. Both the first and second heat sinks have good heat dissipation capabilities, which improves the overall heat dissipation capacity of the heat sink and can increase the heat dissipation rate of the central processing unit. The combined use of the first and second air intake channels with the heat sink allows the heat sink to be adapted to various high-power central processing units, thereby improving server performance. At the same time, the first and second air intake channels have simple structures, low costs, and are easy to install and set up.

[0006] In one embodiment, in the second direction, the width of the second air inlet channel is greater than or equal to the width of the second heat dissipation part, so that the cold air blown out by the second air inlet channel can cover the second heat dissipation part as much as possible, thereby improving the heat dissipation efficiency of the second heat dissipation part.

[0007] In one possible implementation, the second air inlet channel has a side surface along the first direction X, near the first heat sink, which intersects the first direction. This side surface is used to block air flowing from the first heat sink to the second heat sink. The second air inlet channel can block air blowing from the first heat sink to the second heat sink, ensuring that all air flowing into the second heat sink is supplied through both the first and second air inlet channels. This results in lower-temperature air flowing into the second heat sink, which is more conducive to heat dissipation.

[0008] In one possible implementation, the first air intake channel is provided with a first air inlet and a first air outlet. The first air inlet is located on the side of the first air intake channel away from the second heat dissipation part along the first direction, and the first air outlet is located on the side of the first air intake channel close to the second air intake channel along the second direction. The second air intake channel is provided with a second air inlet and a second air outlet. The second air inlet is located on the side of the second air intake channel close to the first air intake channel along the second direction, and the second air outlet is located on the side of the second air intake channel close to the second heat dissipation part along the first direction. The first air outlet and the second air inlet are connected. The air enters the first air intake channel from the first air inlet, passes through the first air outlet and the second air inlet in sequence, enters the second air intake channel, and flows into the second heat dissipation part from the second air outlet.

[0009] In one embodiment, the first air inlet channel is cuboid in shape and includes a first sub-plate in a first direction, a second and a third sub-plate arranged in a second direction, and a fourth and a fifth sub-plate arranged in a third direction. The third direction intersects both the first and second directions. The first air inlet channel is formed by five sub-plates. The first air inlet is located on the side of the first air inlet channel away from the first sub-plate along the first direction, and the first air outlet is located on the side where the third sub-plate is located.

[0010] In one embodiment, the first sub-plate and the second sub-plate can be replaced by a curved side plate, and the fourth sub-plate and the fifth sub-plate can also be curved plates. The first air intake channel formed by the enclosure is curved, and the air entering the first air intake channel flows into the second air intake channel through a path with less resistance, which is more conducive to the air intake of the first air intake channel, so as to facilitate the heat dissipation of the second heat dissipation part.

[0011] In one embodiment, the second air inlet channel is formed by a sixth sub-plate in the first direction, a seventh sub-plate arranged in the second direction, an eighth sub-plate and a ninth sub-plate arranged in the third direction. The second air inlet is located on the side of the second air inlet channel away from the seventh sub-plate in the first direction, and the second air outlet is located on the side of the second air inlet channel away from the sixth sub-plate in the first direction. The sixth sub-plate blocks the first heat dissipation part and the second heat dissipation part.

[0012] In one possible implementation, in the first direction, the distance between the plane containing the first air inlet and the second heat sink is equal to the distance between the side of the first heat sink away from the second heat sink and the second heat sink. The end face of the first air inlet and the side of the first heat sink away from the second heat sink are located on the same plane, which ensures that the temperature of the air entering the second heat sink through the first air inlet is as consistent as possible with the temperature of the air entering the first heat sink, thus guaranteeing that the air supplied to the second heat sink can be maintained at a relatively low temperature.

[0013] In one possible implementation, the distance between the plane of the first air inlet and the second heat sink is greater than the distance between the side of the first heat sink away from the second heat sink and the second heat sink. The end face of the first air inlet is positioned forward to guide cooler air into the first air inlet to dissipate heat from the second heat sink.

[0014] In one possible implementation, the server further includes a first exhaust duct and a second exhaust duct. The first exhaust duct is located on one side of the heat sink along the second direction, and the second exhaust duct is located between the second air inlet duct and the first heat sink. The second exhaust duct connects the first heat sink and the first exhaust duct. The air flows sequentially from the first heat sink to the second exhaust duct and the first exhaust duct, and is discharged from the first exhaust duct.

[0015] By setting up a first exhaust duct and a second exhaust duct, the hot air flowing out of the first heat dissipation section is guided out separately. On the one hand, the hot air discharged from the first heat dissipation section will not pass through the second heat dissipation section and will not affect the heat dissipation of the second heat dissipation section, thus better ensuring the heat dissipation capacity of the radiator. On the other hand, by setting up the first exhaust duct and the second exhaust duct to guide the exhaust of the first heat dissipation section, the exhaust process of the first heat dissipation section is made smoother, so as to facilitate the rapid heat dissipation of the first heat dissipation section.

[0016] In one embodiment, in the second direction, the width of the second exhaust duct is greater than or equal to the width of the first heat dissipation part, so that the second exhaust duct can receive as much of the hot air discharged from the first heat dissipation part as possible, so that the hot air in the first heat dissipation part can be discharged better.

[0017] In one embodiment, the first exhaust duct and the first intake duct may be located on the same side of the heat sink along the second direction. The first exhaust duct and the first intake duct are arranged closely together, which can save space inside the server. In another embodiment, the first exhaust duct and the first intake duct are stacked. In the third direction, the height of the second intake duct and the height of the second exhaust duct may be equal or approximately equal. The height of the first intake duct and the height of the first exhaust duct are equal or approximately equal and approximately half the height of the second intake duct.

[0018] In one embodiment, the first exhaust duct and the first air inlet duct are an integrated structure, and the upper plate of the first exhaust duct and the lower plate of the first air inlet duct can share a single plate to save costs.

[0019] In one embodiment, the first air inlet channel and the second air inlet channel may also be an integrated structure, and the first air outlet channel and the second air outlet channel may also be an integrated structure.

[0020] In one embodiment, the first exhaust duct and the first intake duct can be located on different sides of the heat sink along the second direction. Depending on the internal environment of the server, the first exhaust duct and the first intake duct can be made as large as possible to increase the exhaust volume of the first exhaust duct and the intake volume of the first intake duct, thereby better achieving the exhaust of hot air to the first heat sink and the intake of cold air to the second heat sink, improving the heat dissipation capacity of the heat sink. In one embodiment, in the third direction, the heights of the first intake duct, the second intake duct, the first exhaust duct, and the second exhaust duct can be equal or approximately equal, making the internal components of the server more organized.

[0021] In one possible implementation, the first exhaust duct includes a third air inlet and a third air outlet. The third air inlet is located on the side of the first exhaust duct closer to the second exhaust duct along the second direction, and the third air outlet is located on the side of the first exhaust duct away from the first heat dissipation unit along the first direction. The second exhaust duct includes a fourth air inlet and a fourth air outlet. The fourth air inlet is located on the side of the second exhaust duct closer to the first heat dissipation unit along the first direction, and the fourth air outlet is located on the side of the second exhaust duct closer to the first exhaust duct along the second direction. The fourth air outlet is connected to the third air inlet. After passing through the first heat dissipation unit, the air enters the second exhaust duct through the fourth air inlet, and sequentially passes through the fourth air outlet and the third air inlet into the first exhaust duct, and is discharged from the third air outlet.

[0022] In one embodiment, the second exhaust duct and the second air inlet duct are an integrated structure, with the rear plate of the second exhaust duct and the front plate (i.e., the sixth sub-plate) of the second air inlet duct sharing a single plate to improve the structural strength of the second exhaust duct and the second air inlet duct and save costs.

[0023] In one embodiment, the opening size of the fourth air outlet is smaller than the opening size of the second air inlet. The second air inlet has a larger opening, which allows air to quickly enter the second air inlet channel from the first air inlet channel to dissipate heat from the second heat dissipation unit. The fourth air outlet has a smaller opening size, which allows the air entering the first heat dissipation unit to stay for a period of time, so that the air can fully absorb the heat of the first heat dissipation unit before being discharged, thereby improving the utilization rate of cold air.

[0024] In one possible implementation, in the first direction, the distance between the plane containing the third air outlet and the first heat dissipation part is equal to the distance between the side of the second heat dissipation part away from the first heat dissipation part and the first heat dissipation part. The end face of the third air outlet and the side of the second heat dissipation part away from the first heat dissipation part are located on the same plane, so that the hot air discharged from the end face of the third air outlet will not flow into the second heat dissipation part, preventing the discharged hot air from affecting the heat dissipation of the second heat dissipation part.

[0025] In one possible implementation, the distance between the plane of the third air outlet and the first heat dissipation part is greater than the distance between the side of the second heat dissipation part away from the first heat dissipation part and the first heat dissipation part. The end face of the third air outlet is positioned rearward to guide hot air towards the rear side of the second heat dissipation part, thereby reducing the impact of the discharged hot air on the heat dissipation of the second heat dissipation part.

[0026] In one possible implementation, the server further includes a first wind deflector located on the side of the first air intake channel near the second heat sink along the first direction, and on the side of the second heat sink near the first air intake channel along the second direction. The first wind deflector is used to block air from flowing out of the second heat sink along the second direction. By providing a first wind deflector on the side of the second heat sink, air inside the second heat sink is prevented from escaping from the side, ensuring that the air flowing into the second heat sink flows out as far away from the first heat sink along the first direction as possible. The air flowing through both sides of the second heat sink along the first direction provides better heat dissipation for the second heat sink.

[0027] In one embodiment, in the first direction, the length of the first wind deflector is greater than or equal to the distance between the side of the first air inlet channel near the second heat dissipation part and the side of the second heat dissipation part away from the first heat dissipation part, so that the first wind deflector can better block the air in the second heat dissipation part from flowing out in the second direction.

[0028] In one embodiment, the first wind deflector is fixedly connected to the first air inlet channel along a first direction on the side closest to the first air inlet channel to fix the first wind deflector.

[0029] In one embodiment, the first wind deflector may be plate-shaped, with the plate surface of the first wind deflector parallel to the side of the second heat dissipation portion along the second direction near the first air inlet channel.

[0030] In one embodiment, the first wind deflector can also be a block. When the first air inlet channel is a cuboid, the first wind deflector can also be a cuboid. In this case, the length of the first wind deflector along the second direction can be set to be equal to the length of the first air inlet channel along the second direction, and the height of the first wind deflector along the third direction can be equal to the height of the first air inlet channel along the third direction, so that the first wind deflector and the first air inlet channel are more coordinated and aesthetically pleasing as a whole.

[0031] In one embodiment, the first air inlet channel is located on one side of the first heat dissipation part along the second direction. The first air inlet channel is disposed in close contact with the first heat dissipation part. The side plate of the first air inlet channel along the second direction near the first heat dissipation part can also be used to block the air in the first heat dissipation part from flowing out along the second direction.

[0032] In one possible implementation, the server further includes a second wind deflector located on the side of the first exhaust duct close to the first heat sink along the first direction, and on the side of the first heat sink close to the first exhaust duct along the second direction. The second wind deflector is used to block air from flowing out of the first heat sink along the second direction and to guide air flowing toward the second wind deflector into the first heat sink.

[0033] When the fan assembly drives air to flow in the first direction, the first heat sink has significant wind resistance. On the one hand, if a second baffle is not provided before air flows into the first heat sink, the air can easily flow from the side of the first heat sink to the rear of the first heat sink without passing through it, resulting in the loss of cool air. The second baffle can prevent air from flowing out from the side of the first heat sink, allowing more air to flow into the first heat sink for rapid heat dissipation. On the other hand, after air enters the first heat sink, it can also easily escape through the gaps along the second direction towards the first exhaust channel, resulting in poor heat dissipation of the first heat sink. By providing a second baffle on the side of the first heat sink, the air inside the first heat sink is prevented from escaping from the side, allowing the air flowing into the first heat sink to flow out from the side of the first heat sink along the first direction closer to the second heat sink. The air flowing through the two sides of the first heat sink along the first direction can achieve a better heat dissipation effect on the first heat sink.

[0034] In one embodiment, in the first direction, the length of the second wind deflector is greater than or equal to the distance between the side of the first exhaust channel near the first heat sink and the side of the first heat sink away from the second heat sink, and the second wind deflector can better block the air in the first heat sink from flowing out in the second direction.

[0035] In one embodiment, the second wind deflector is fixedly connected to the first exhaust channel along the first direction on the side close to the first exhaust channel to fix the second wind deflector.

[0036] In one embodiment, the second wind deflector includes a guide plate and a baffle plate connected to each other. The guide plate intersects with the first direction, and the surface of the baffle plate is parallel to the side of the first heat dissipation part along the second direction near the first exhaust channel.

[0037] In one embodiment, the second wind deflector can also be block-shaped. The side of the second wind deflector away from the first exhaust channel along the first direction is used to guide air into the first heat dissipation part, and the side of the second wind deflector close to the first heat dissipation part along the second direction is used to block air from flowing out of the first heat dissipation part along the second direction. In one embodiment, when the first exhaust channel is a cuboid, the second wind deflector can also be a cuboid. In this case, the length of the second wind deflector along the second direction can be set to be equal to the length of the first exhaust channel along the second direction, and the height of the second wind deflector along the third direction can be equal to the height of the first exhaust channel along the third direction, making the second wind deflector and the first exhaust channel more coordinated and aesthetically pleasing.

[0038] In one embodiment, the first exhaust duct is located on one side of the second heat dissipation part along the second direction. The first exhaust duct is disposed in close contact with the second heat dissipation part. The side plate of the first exhaust duct near the second heat dissipation part along the second direction can also be used to block the air in the second heat dissipation part from flowing out along the second direction.

[0039] In one possible implementation, the first exhaust duct and the first intake duct are located on the same side of the radiator along the second direction and are stacked along a third direction, which intersects both the first direction and the second direction.

[0040] In one possible implementation, the server further includes a third air intake channel located on the side of the heat sink away from the first air intake channel along the second direction. The third air intake channel is connected to the second air intake channel, and the fan assembly is capable of driving air to flow from the third air intake channel to the second air intake channel and from the second air intake channel to the second heat dissipation unit.

[0041] By adding a third air intake channel, the fan assembly can drive air to flow from the third air intake channel and the first air intake channel to the second air intake channel, and from the second air intake channel to the second heat dissipation unit. This increases the amount of cold air entering the second air intake channel, which in turn increases the amount of cold air used to dissipate heat from the second heat dissipation unit, thereby improving the heat dissipation capacity of the second heat dissipation unit.

[0042] In one embodiment, the third air intake channel is provided with a fifth air inlet and a fifth air outlet. The fifth air inlet is located on the side of the third air intake channel away from the second heat dissipation part along a first direction, and the fifth air outlet is located on the side of the third air intake channel close to the second air intake channel along a second direction. The second air intake channel is also provided with a sixth air inlet, which is located on the side of the second air intake channel close to the third air intake channel along a second direction. The sixth air inlet and the second air inlet are located on opposite sides of the second air intake channel along a second direction. The fifth air outlet and the sixth air inlet are connected. The fan assembly is used to drive air to enter the third air intake channel from the fifth air inlet, and then sequentially pass through the fifth air outlet and the sixth air inlet into the second air intake channel, and flow into the second heat dissipation part from the second air outlet.

[0043] In one embodiment, in the first direction, the end face of the fifth air inlet is flush with the side of the first heat dissipation unit away from the second heat dissipation unit, or the end face of the fifth air inlet is located on the side of the first heat dissipation unit away from the second heat dissipation unit. The forward-positioned end face of the fifth air inlet allows for the guidance of cooler air into the fifth air inlet to dissipate heat from the second heat dissipation unit.

[0044] In one embodiment, the end face of the fifth air inlet may be flush with or approximately flush with the end face of the first air inlet. In other embodiments, the end face of the fifth air inlet may not be flush with the end face of the first air inlet, depending on the specific installation environment inside the server.

[0045] In one possible implementation, the server further includes a third exhaust duct located on the side of the heat sink away from the first exhaust duct along the second direction. The third exhaust duct is connected to the second exhaust duct, and the fan assembly is capable of driving air to flow sequentially from the first heat sink to the second exhaust duct and the third exhaust duct, and then exhausting it from the third exhaust duct.

[0046] By adding a third exhaust duct, the hot air flowing out of the first heat dissipation unit is discharged to the second exhaust duct. The hot air in the second exhaust duct can be discharged from both the third exhaust duct and the first exhaust duct at the same time, which increases the exhaust volume of the first heat dissipation unit and makes the hot air discharge process of the first heat dissipation unit smoother.

[0047] In one embodiment, the third exhaust duct includes a seventh air inlet and a seventh air outlet. The seventh air inlet is located on the side of the third exhaust duct along a second direction close to the second exhaust duct, and the seventh air outlet is located on the side of the third exhaust duct along a first direction away from the first heat dissipation unit. The second exhaust duct further includes an eighth air outlet, which is located on the side of the second exhaust duct along a second direction close to the third exhaust duct. The eighth air outlet and the fourth air outlet are located on opposite sides of the second exhaust duct along the second direction. The eighth air outlet communicates with the seventh air inlet. The fan assembly drives air to flow through the first heat dissipation unit, enter the second exhaust duct through the fourth air inlet, and then sequentially pass through the eighth air outlet and the seventh air inlet into the third exhaust duct, and finally exit through the seventh air outlet.

[0048] In one embodiment, the opening size of the eighth air outlet is smaller than that of the sixth air inlet. The sixth air inlet has a larger opening, which allows air to quickly enter the second air inlet channel from the third air inlet channel to dissipate heat from the second heat dissipation unit. The opening size of the eighth air outlet is smaller, allowing the air entering the first heat dissipation unit to stay for a period of time, so that the air can fully absorb the heat from the first heat dissipation unit before being discharged, thereby improving the utilization rate of cold air.

[0049] In one embodiment, in the first direction, the end face of the seventh air outlet is flush with the side of the second heat dissipation part away from the first heat dissipation part, or the end face of the seventh air outlet is located on the side of the second heat dissipation part away from the first heat dissipation part. The rearward placement of the end face of the seventh air outlet guides hot air towards the rear of the second heat dissipation part, thereby reducing the impact of the discharged hot air on the heat dissipation of the second heat dissipation part.

[0050] In one embodiment, the end face of the seventh air outlet is flush with or approximately flush with the end face of the third air outlet. In other embodiments, the end face of the seventh air outlet may not be flush with the end face of the third air outlet, depending on the specific installation environment inside the server.

[0051] In one embodiment, the server further includes a third wind deflector located on the side of the third air intake channel close to the second heat dissipation part along a first direction, and the third wind deflector located on the side of the second heat dissipation part close to the third air intake channel along a second direction. The third wind deflector is used to block air from flowing out of the second heat dissipation part along the second direction.

[0052] In one embodiment, the third air inlet channel is located on one side of the first heat dissipation part along the second direction. The third air inlet channel is disposed in close contact with the first heat dissipation part. The side plate of the third air inlet channel along the second direction near the first heat dissipation part can also be used to block the air in the first heat dissipation part from flowing out along the second direction.

[0053] In one embodiment, the server further includes a fourth wind deflector located on the side of the third exhaust duct close to the first heat dissipation part along a first direction, and on the side of the first heat dissipation part close to the third exhaust duct along a second direction. The fourth wind deflector is used to block air from flowing out of the first heat dissipation part along the second direction and to guide air flowing toward the second wind deflector into the first heat dissipation part.

[0054] In one embodiment, the fourth baffle includes two connected plates, one of which intersects with the first direction to guide air flowing toward the fourth baffle into the first heat dissipation part; the other plate has its surface parallel to the side of the first heat dissipation part along the second direction near the third exhaust channel to block air from flowing out of the first heat dissipation part along the second direction.

[0055] In one possible implementation, the heat sink is located on one side of the central processing unit along a third direction, which intersects both the first and second directions; in the third direction, the first air intake channel is located on the side of the first exhaust channel away from the central processing unit, and the third air intake channel is located on the side of the third exhaust channel closer to the central processing unit.

[0056] The second heat sink can be divided into an upper part and a lower part along a third direction. The upper part of the second heat sink is located further away from the central processing unit than the lower part of the second heat sink. The temperature of the lower part of the second heat sink is generally higher than the temperature of the upper part of the second heat sink.

[0057] The first and third air inlet channels are staggered in the third and second directions, respectively, while the sixth air inlet is staggered from the second air inlet along the third direction. The air inlet channel formed by the first and second air inlet channels blows directly onto the upper part of the second heat sink, providing better heat dissipation for the upper part. The air inlet channel formed by the third and second air inlet channels blows directly onto the lower part of the second heat sink, providing better heat dissipation for the lower part. The two air inlet channels dissipate heat from the upper and lower parts of the second heat sink respectively, thereby improving its heat dissipation effect. Furthermore, the airflow and temperature of the two air inlet channels can be adaptively adjusted according to the temperatures of the upper and lower parts of the second heat sink to better dissipate heat. For example, if the temperature of the lower part of the second heat sink is higher than that of the upper part, the airflow of the third air inlet channel can be increased (e.g., by increasing the size of the fifth air inlet), or the air temperature entering the third air inlet channel can be reduced to improve heat dissipation for the lower part of the second heat sink.

[0058] In one embodiment, a partition is provided to divide the second air inlet channel into two receiving spaces along a third direction. The air inlet channel formed by the upper space of the first air inlet channel and the second air inlet channel dissipates heat to the upper part of the second heat dissipation part, and the air inlet channel formed by the lower space of the third air inlet channel and the second air inlet channel dissipates heat to the lower part of the second heat dissipation part.

[0059] The first heat sink can be divided into an upper part and a lower part along a third direction. The upper part of the first heat sink is located further away from the central processing unit than the lower part of the first heat sink. The temperature of the lower part of the first heat sink is generally higher than the temperature of the upper part of the first heat sink.

[0060] The first and third exhaust ducts are staggered in the third and second directions, and the eighth and fourth air outlets are staggered in the third direction. Air passing through the lower part of the first heat sink is more easily discharged through the exhaust duct formed by the second and first exhaust ducts, and air passing through the upper part of the first heat sink is more easily discharged through the exhaust duct formed by the second and third exhaust ducts. Hot air of different temperatures can be discharged to different areas. In this embodiment, hot air of different temperatures can be discharged to different areas according to the layout of the internal components of the server, so as to avoid affecting the heat dissipation of the components behind the heat sink.

[0061] In one embodiment, a partition is provided to divide the second exhaust duct into two receiving spaces along a third direction. Air passing through the lower part of the first heat dissipation part is discharged from the exhaust duct formed by the lower space of the second exhaust duct and the first exhaust duct. Air passing through the upper part of the first heat dissipation part is discharged from the exhaust duct formed by the upper space of the second exhaust duct and the third exhaust duct.

[0062] In other embodiments, in a third-party orientation, the first air intake channel is located on the side of the first exhaust channel closer to the central processing unit, and the third air intake channel is located on the side of the third exhaust channel farther from the central processing unit.

[0063] In one possible implementation, the server further includes a memory module located on one side of the central processing unit along the second direction, and the first air intake channel located on one side of the memory module along a third direction, which intersects both the first and second directions; the height of the second air intake channel in the third direction is less than or equal to the distance between the surface of the heat sink away from the memory module and the surface of the memory module near the first air intake channel.

[0064] In one embodiment, the heat sink further includes a third heat sink located on the side of the first and second heat sinks along a third direction closer to the central processing unit. The fan assembly can drive air to dissipate heat from the third heat sink along a first direction. The height of the second air intake channel in the third direction is less than or equal to the distance between the surface of the heat sink away from the memory module and the surface of the memory module close to the first air intake channel. Even if the height of the second heat sink and the central processing unit along the third direction is greater than or equal to the height of the memory module along the third direction, the heat sink will not hinder the heat dissipation of the third heat sink while efficiently cooling the second heat sink.

[0065] In one embodiment, the height of the second exhaust duct is less than or equal to the distance between the surface of the heat sink away from the memory module and the surface of the memory module near the first intake duct.

[0066] In one embodiment, the server includes two memory modules, which are located on opposite sides of the central processing unit along a second direction. The first air intake channel and the first air exhaust channel are located on one side of one of the memory modules along a third direction, and the third air intake channel and the third air exhaust channel are located on the other side of the memory module along a third direction. The height of each of the second air intake channels is less than or equal to the distance between the surface of the heat sink away from the memory module and the surface of the memory module near the first air intake channel, or the height of each of the second air exhaust channels is less than or equal to the distance between the surface of the heat sink away from the memory module and the surface of the memory module near the first air intake channel.

[0067] In one embodiment, the server includes two central processing units (CPUs) spaced apart and three memory modules spaced apart, with the CPUs and memory modules alternately arranged. The two CPUs can employ the same cooling method, and both CPUs are equipped with heat sinks. Each of the three memory modules has an air intake channel and an exhaust channel. In another embodiment, the two CPUs can share a portion of the air intake and exhaust channels.

[0068] Secondly, this application provides a server rack, the server rack including a rack and a server as described in any of the above claims, the server being disposed on the rack.

[0069] In this application, at least a portion of the heat sink is divided into a first heat sink and a second heat sink along the airflow direction. A fan assembly drives air to directly dissipate heat from the first heat sink, enabling rapid heat dissipation. By setting a first air intake channel and a second air intake channel, the first air intake channel guides cooler air through the second air intake channel to the second heat sink. The air temperature is lower when blown to the second heat sink via the first and second air intake channels, resulting in higher heat exchange capacity between the air and the second heat sink, thus enhancing the heat dissipation capacity of the second heat sink. The combined good heat dissipation capacity of both the first and second heat sinks improves the overall heat dissipation capacity of the heat sink, thereby increasing the heat dissipation rate of the central processing unit. The combined use of the first and second air intake channels with the heat sink allows the heat sink to be adapted to various high-power central processing units, thereby improving server performance. At the same time, the first and second air intake channels have simple structures, low costs, and are easy to install and set up. Attached Figure Description

[0070] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the embodiments of this application will be described below.

[0071] Figure 1 A schematic diagram of a server provided in one embodiment;

[0072] Figure 2 A schematic diagram of a server provided according to one embodiment of this application;

[0073] Figure 3a A partial schematic diagram of a server provided according to one embodiment of this application;

[0074] Figure 3b A partial schematic diagram of a server provided according to one embodiment of this application;

[0075] Figure 4 A schematic diagram of a first air inlet channel and a second air inlet channel provided in one embodiment of this application;

[0076] Figure 5a A partial schematic diagram of a server provided according to one embodiment of this application;

[0077] Figure 5b A partial schematic diagram of a server provided according to one embodiment of this application;

[0078] Figure 6 A schematic diagram of a first exhaust duct and a second exhaust duct provided for an embodiment of this application;

[0079] Figure 7 A partial schematic diagram of a server provided according to one embodiment of this application;

[0080] Figure 8 A partial schematic diagram of a server provided according to one embodiment of this application;

[0081] Figure 9 A schematic diagram of a first air inlet channel and a second air inlet channel provided in one embodiment of this application;

[0082] Figure 10 A schematic diagram of a first exhaust duct and a second exhaust duct provided for an embodiment of this application;

[0083] Figure 11 A partial schematic diagram of a server provided according to one embodiment of this application;

[0084] Figure 12 A partial schematic diagram of a server provided according to one embodiment of this application;

[0085] Figure 13 A partial schematic diagram of a server provided according to one embodiment of this application;

[0086] Figure 14 A partial schematic diagram of a server provided according to one embodiment of this application;

[0087] Figure 15 A partial schematic diagram of a server provided according to one embodiment of this application;

[0088] Figure 16 A schematic diagram of a server provided according to one embodiment of this application;

[0089] Figure 17 A schematic diagram of an air intake channel provided in one embodiment of this application;

[0090] Figure 18 A schematic diagram of an exhaust duct provided in one embodiment of this application;

[0091] Figure 19 A partial schematic diagram of a server provided according to one embodiment of this application;

[0092] Figure 20 A partial schematic diagram of a server provided according to one embodiment of this application;

[0093] Figure 21 A schematic diagram of a server provided according to one embodiment of this application;

[0094] Figure 22 A schematic diagram of a heat sink provided in one embodiment of this application;

[0095] Figure 23 A schematic diagram of a server provided according to one embodiment of this application;

[0096] Figure 24 This is a schematic diagram of a server provided according to one embodiment of this application. Detailed Implementation

[0097] The technical solutions of the embodiments of this application will be described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0098] In this document, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "multiple" means two or more.

[0099] Furthermore, in this article, directional terms such as "upper" and "lower" are defined relative to the orientation of the structure as shown in the attached drawings. It should be understood that these directional terms are relative concepts, used for relative description and clarification, and can change accordingly depending on the orientation of the structure.

[0100] For ease of understanding, the English abbreviations and related technical terms used in the embodiments of this application will be explained and described below.

[0101] This application provides a server, comprising a central processing unit (CPU), a heat sink, a first air intake channel, a second air intake channel, and a fan assembly. The heat sink is located on one side of the CPU and is used to absorb heat from the CPU. The heat sink includes a first heat dissipation section and a second heat dissipation section arranged along a first direction. The first air intake channel is located on one side of the heat sink along a second direction, which intersects with the first direction. The second air intake channel is located between the first and second heat dissipation sections and connects the first air intake channel and the second heat dissipation section. The fan assembly drives air to flow along the first direction. The air flows towards the first heat dissipation section to dissipate heat from it, and also flows from the first air intake channel to the second air intake channel and from the second air intake channel to the second heat dissipation section to dissipate heat from it. By configuring the first and second air intake channels, cooler air is guided towards the second heat dissipation section, thereby improving its heat dissipation capacity.

[0102] Please see Figure 1 , Figure 1 This is a schematic diagram of a server 10 provided in one embodiment. The server 10 is a high-performance computer on a network that provides various services such as storage and data processing. The server 10 can be a rack server, a blade server, or other types of servers, and this application does not limit it.

[0103] Server 10 includes a chassis 11 and, within the chassis 11, a hard disk module 12, a fan assembly 400, a motherboard 13, and other electronic components. The chassis 11 is a robust shell structure that protects the internal components of server 10. The hard disk module 12 is the storage device of server 10. It has good expandability and can provide effective storage resources for server 10. The hard disk module 12 may include one, two, or more hard disks, which can be solid-state drives (SSDs), hard disk drives (HDDs), or other types of hard disks.

[0104] The motherboard 13 is the main component of the circuit system of the server 10. The motherboard 13 can house electronic components such as the central processing unit 100, chips, memory modules 700, and input / output ports. The number of each type of electronic component can be one, two, or more, without strict limitations. The central processing unit 100 (CPU) is the core of the server 10's computation and control, and is the final execution unit for information processing and program execution. The CPU 100 can process instructions, execute operations, control timing, and process data. The memory module 700 consists of multiple memory modules. Memory modules (Random-Access Memory) are computer components that the CPU can address and read / write through the bus. The memory module 700 can read data stored in the hard disk module 12 for use by the central processing unit 100.

[0105] The fan assembly 400 may include one, two, or more fans, which may be bladed or bladeless fans. During the operation of the server 10, heat-generating components such as the hard disk module 12, central processing unit 100, and memory module 700 will generate heat. The fan assembly 400 can dissipate heat from these components, effectively removing a large amount of heat from the server 10 and ensuring its stable operation.

[0106] Generally, the CPU 100 is relatively small. When using the fan assembly 400 for cooling, the large flat surface of the CPU 100 is parallel to the airflow direction, resulting in a small frontal area. Therefore, cooling performance using only the fan assembly 400 is insufficient. To achieve better cooling, the power and speed of the fan assembly 400 need to be increased, which also increases the cost. Therefore, to ensure stable operation of the CPU 100, a heatsink 200 (such as...) is typically installed on its surface. Figure 1 As shown, after the heat sink 200 absorbs the heat from the central processing unit 100, the fan assembly 400 drives cool air through the heat sink 200. Since the heat sink 200 usually has a large volume and surface area, the fan assembly 400 can quickly remove the heat from the heat sink 200 to achieve heat dissipation of the central processing unit 100.

[0107] In one embodiment, the server 10 also includes a power supply module, which can receive power from an external power supply to the server 10 and supply power to various electrical components inside the server 10, thereby realizing the overall power supply architecture of the server 10 and ensuring the long-term efficient operation of the server 10. For example, the power supply module can supply power to the fan assembly 400, the central processing unit 100, and the memory module 700.

[0108] For example, such as Figure 1 In the illustrated embodiment, server 10 includes two central processing units 100 spaced apart, namely Figure 1 The central processing units (CPUs) designated 100a and 100b each have a heatsink 200 on them; the server 10 also includes three memory modules, namely... Figure 1 The memory modules numbered 700a, 700b, and 700c have a central processing unit 100a located between memory modules 700a and 700b, and a central processing unit 100b located between memory modules 700b and 700c.

[0109] like Figure 1 In the illustrated embodiment, the fan assembly 400 is located between the hard disk module 12 and the motherboard 13 along the first direction X. The hard disk module 12 is positioned at the front of the server 10, which is the part facing the staff when performing maintenance and inspection on the server 10. Positioning the hard disk module 12 at the front of the chassis 11 allows for convenient and quick disassembly and assembly for maintenance. The motherboard 13 can be generally located in the middle and rear of the server 10, utilizing a relatively large board area to support and accommodate diverse electronic components. The fan assembly 400, located between the hard disk module 12 and the motherboard 13, achieves the performance characteristic of simultaneously cooling the central processing unit 100 and memory module 700 on the motherboard 13, as well as the hard disk module 12. This ensures adequate heat dissipation for the server 10 within a limited structural space, guaranteeing stable and high-performance collaborative operation of the internal components of the server 10.

[0110] The fan assembly 400 blows air backward in the first direction X (e.g.) Figure 1 As shown), cool air can enter the chassis 11 from the front of the server 10, first passing through the hard disk module 12 to dissipate heat from the hard disk module 12, and then the fan assembly 400 blows the air to the motherboard 13 located behind the fan assembly 400 to dissipate heat from electronic components such as the central processing unit 100 and the memory module 700 on the motherboard 13.

[0111] In other embodiments, the fan assembly 400 may also be located on the side of the motherboard 13 away from the hard disk module 12, that is, the fan assembly 400 is located at the rear end of the server 10, and the fan assembly 400 draws air backward to cool the electronic components on the hard disk module 12 and the motherboard 13 in sequence. In one embodiment, the fan assembly 400 may also draw or blow air forward in the first direction X, that is, draw or blow air from the rear end of the server 10 to the front end of the server 10.

[0112] It should be noted that, Figure 1The diagram only illustrates the positional relationships of the chassis 11, hard drive module 12, fan assembly 400, motherboard 13, central processing unit 100, and memory module 700, and does not specifically limit the connection positions, specific structures, or quantities of each device. Furthermore, the illustrated structure in this application does not constitute a specific limitation on the server 10. In other embodiments, the server 10 may include... Figure 1 The number of components shown may be more or less, or some components may be combined, or some components may be separated, or different component arrangements may be made. Figure 1 The components shown can be implemented in hardware, software, or a combination of both.

[0113] The following details server 10 in this application.

[0114] Please see Figure 2 , Figure 3a and Figure 4 , Figure 2 This is a schematic diagram of a server 10 provided in one embodiment of this application. Figure 3a This is a partial schematic diagram of a server 10 provided in one embodiment of this application. Figure 4 A schematic diagram of the first air inlet channel 310 and the second air inlet channel 320 provided in one embodiment of this application;

[0115] This application provides a server 10, which includes a central processing unit 100, a heat sink 200, a first air intake channel 310, a second air intake channel 320, and a fan assembly 400.

[0116] The central processing unit 100 is the core of the server 10 for computing and control. When the server 10 is running, the central processing unit 100 will generate a lot of heat. If the central processing unit 100 cannot be cooled in time, it may cause the server 10 to crash or even burn out the central processing unit 100.

[0117] The heat sink 200 has good thermal conductivity, and the heat sink 200 is surface-mounted with the central processing unit 100 (e.g., Figure 3aAs shown in the figure, the heat generated by the central processing unit 100 can be quickly transferred to the heat sink 200. In one embodiment, the heat sink 200 includes a heat-conducting plate and multiple heat dissipation fins (not shown in the figure). The heat-conducting plate is attached to the surface of the central processing unit 100, and the multiple heat dissipation fins are spaced apart along the second direction Y. One side of the multiple heat dissipation fins is fixedly connected to the heat-conducting plate, and the gap between two adjacent heat dissipation fins forms an airflow channel. After the heat-conducting plate absorbs the heat of the central processing unit 100, it can be transferred to the multiple heat dissipation fins. The fan assembly 400 drives air to flow into the gap between the heat dissipation fins, and the air exchanges heat with the heat dissipation fins to achieve heat dissipation through the multiple heat dissipation fins. In other embodiments, the heat sink 200 may also be other types of heat dissipation devices.

[0118] Fan assembly 400 can drive cool air from outside the server 10 into the server 10 (e.g., Figure 2 As shown, when the cold air passes through the central processing unit 100, the heat sink 200 and other devices, it can absorb the heat of the central processing unit 100, the heat sink 200 and other devices, and the temperature rises to become hot air. Then, the fan assembly 400 drives the hot air inside the server 10 to be discharged outside the server 10.

[0119] In this application, the heat sink 200 includes a first heat dissipation section 210 and a second heat dissipation section 220 arranged along the first direction X (e.g., Figure 3a As shown, the air inside the server 10 flows approximately along the first direction X, and the first heat dissipation part 210 and the second heat dissipation part 220 are spaced apart along the first direction X.

[0120] In this embodiment, the radiator 200 further includes a third heat dissipation section 230 (e.g., Figure 3a and Figure 22 As shown, the third heat sink 230 is connected to the first heat sink 210 and the second heat sink 220, and the third heat sink 230 is located on the side of the first heat sink 210 and the second heat sink 220 along the third direction Z closer to the central processing unit 100. The fan assembly 400 can drive air to dissipate heat from the third heat sink 230 along the first direction X.

[0121] The first air intake channel 310 is located on one side of the radiator 200 along the second direction Y, which intersects with the first direction X; the second air intake channel 320 is located between the first heat dissipation section 210 and the second heat dissipation section 220, and connects the first air intake channel 310 and the second heat dissipation section 220; the fan assembly 400 is used to drive air to flow along the first direction X, the air flows to the first heat dissipation section 210 to dissipate heat from the first heat dissipation section 210, and the air flows from the first air intake channel 310 to the second air intake channel 320, and from the second air intake channel 320 to the second heat dissipation section 220 to dissipate heat from the second heat dissipation section 220.

[0122] When the fan assembly 400 drives air to flow along the first direction X, the air absorbs heat from the devices along the path and its temperature gradually increases. The first heat sink 210 is located at the front of the airflow direction. When cooling the first heat sink 210, the air temperature passing through it is relatively low. Therefore, the fan assembly 400 driving air to directly cool the first heat sink 210 is more effective. The second heat sink 220 is located at the rear of the airflow direction. In this case, by setting the first air intake channel 310 and the second air intake channel 320 (e.g., ... Figure 3a and Figure 4 As shown, the first air inlet channel 310 can guide the cooler air through the second air inlet channel 320 to the second heat dissipation part 220. Since there are no heat-generating devices in the first air inlet channel 310 and the second air inlet channel 320, the cooler air can still maintain a low temperature when it reaches the second heat dissipation part 220 after passing through the first air inlet channel 310 and the second air inlet channel 320. Using cooler air can achieve rapid heat dissipation of the second heat dissipation part 220.

[0123] If the first air intake channel 310 and the second air intake channel 320 are not provided, when the fan assembly 400 drives the air-cooled radiator 200, the air first passes through the first heat dissipation section 210, absorbs the heat from the first heat dissipation section 210, and then the air temperature rises. When the air then passes through the second heat dissipation section 220 to dissipate heat from the second heat dissipation section, according to Newton's law of cooling:

[0124] Q = hA(t) w -t air );

[0125] Where Q is the heat transfer rate and h is the convective heat transfer coefficient (w / K·m). 2 A is the area (m²) perpendicular to the direction of heat transfer. 2 ), t w Let t be the temperature (K) of the solid surface. air Let K be the temperature of the fluid. Therefore, when the temperature of the fluid (air) increases, the temperature difference between the solid (i.e., the second heat dissipation part 220) and the fluid (i.e., t) increases. w -t airIf the heat transfer rate decreases, the heat on the second heat sink 220 cannot be transferred in time, resulting in a higher temperature in the local central processing unit 100 directly connected to the second heat sink 220. This is detrimental to the stable operation of the central processing unit 100, especially for high-power central processing units 100, where simply placing a heat sink 200 on the surface of the central processing unit 100 is insufficient to meet the heat dissipation requirements. In some existing implementations, for high-power central processing units 100, a remote heat sink is generally used instead of a single heat sink for enhanced heat dissipation. That is, in addition to placing a heat sink 200 at the location of the central processing unit 100, heat dissipation fin groups are added on the left and right sides of the front end of the central processing unit 100. The heat dissipation fin groups are connected to the heat sink 200 through heat pipes to achieve heat transfer. The arrangement of the heat dissipation fin groups increases the heat dissipation capacity of the remote heat sink by increasing the area (A) perpendicular to the heat transfer direction. However, the remote heat sink has a complex structure and high cost.

[0126] In this embodiment (e.g.) Figure 3a and Figure 4 As shown), on the one hand, at least part of the heat sink is divided into a first heat sink 210 and a second heat sink 220 along the airflow direction. The fan assembly 400 drives the air to directly dissipate heat from the first heat sink 210. The air and the first heat sink 210 have a large temperature difference, and the first heat sink 210 can dissipate heat quickly.

[0127] On the other hand, by setting up a first air inlet channel 310 and a second air inlet channel 320, the first air inlet channel 310 can guide lower-temperature air through the second air inlet channel 320 to the second heat dissipation unit 220. This part of the air does not pass through the first heat dissipation unit 210. Compared with the air flowing out of the first heat dissipation unit 210, the air blown towards the second heat dissipation unit 220 through the first air inlet channel 310 and the second air inlet channel 320 is lower in temperature. Therefore, the temperature difference between this part of the air and the second heat dissipation unit 220 is larger, and the heat exchange capacity between the air and the second heat dissipation unit 220 is improved. The heat dissipation capacity of the heat dissipation unit 220 is improved. Both the first heat dissipation unit 210 and the second heat dissipation unit 220 have good heat dissipation capacity, which improves the overall heat dissipation capacity of the heat sink 200 and can increase the heat dissipation rate of the central processing unit 100. The cooperation between the first air intake channel 310 and the second air intake channel 320 and the heat sink 200 enables the heat sink 200 to be adapted to various high-power central processing units 100, so as to improve the performance of the server 10. At the same time, the first air intake channel 310 and the second air intake channel 320 have simple structure, low cost and easy installation.

[0128] In one embodiment, in the second direction Y, the width of the second air inlet channel 320 is greater than or equal to the width of the second heat dissipation part 220, so that the cold air blown out by the second air inlet channel 320 can cover the second heat dissipation part 220 as much as possible, thereby improving the heat dissipation efficiency of the second heat dissipation part 220.

[0129] In one embodiment, the radiator 200 in this application can be modified from an existing single radiator on the market. The existing single radiator on the market is partially hollowed out in the middle and the heat dissipation fins are broken in the middle to form the radiator 200 in this application, so as to save costs and simplify the processing technology of the radiator 200.

[0130] In other embodiments, the server 10 has two heat sinks 200 arranged one in front of the other along the first direction X. The second air intake channel 320 can be arranged between the heat sinks 200. The first air intake channel 310 is located on the side of the front heat sink 200 along the second direction Y. The fan assembly 400 drives the air to directly dissipate heat from the front heat sink 200, and the fan assembly 400 drives the air through the first air intake channel 310 and the second air intake channel 320 to dissipate heat from the rear heat sink 200.

[0131] In one possible implementation, the second air inlet channel 320 has a side surface 306 along the first direction X near the first heat dissipation part 210. The side surface 306 intersects the first direction X and is used to block the air flowing from the first heat dissipation part 210 to the second heat dissipation part 220. "Blocking" means that airflow is prevented; that is, the second air inlet channel 320 can block the air blowing from the first heat dissipation part 210 to the second heat dissipation part 220, so that the air flowing into the second heat dissipation part 220 is provided through both the first and second air inlet channels 310 and 320. The air flowing into the second heat dissipation part 220 is all lower temperature air, which is more conducive to the heat dissipation of the second heat dissipation part 220.

[0132] In one embodiment, the side 306 of the second air inlet channel 320 can completely block the airflow from the first heat dissipation part 210 to the second heat dissipation part 220. In another embodiment, the side 306 of the second air inlet channel 320 can also partially block the airflow from the first heat dissipation part 210 to the second heat dissipation part 220. In other embodiments, the second air inlet channel 320 may not have the side 306. In this case, the second air inlet channel 320 cannot completely block the airflow from the first heat dissipation part 210 to the second heat dissipation part 220. In this case, the air passing through the first heat dissipation part 210 can enter the second heat dissipation part 220 through the second air inlet channel 320, and the first air inlet channel 310 can also guide cold air into the second heat dissipation part 220 through the second air inlet channel 320. In this case, compared with the embodiment without the first air inlet channel 310 and the second air inlet channel 320, this embodiment can also improve the cooling efficiency of the second heat dissipation part 220.

[0133] In one possible implementation, the first air inlet channel 310 is provided with a first air inlet 311 and a first air outlet 312 (e.g., Figure 4As shown, the first air inlet 311 is located on the side of the first air inlet channel 310 away from the second heat dissipation part 220 along the first direction X, and the first air outlet 312 is located on the side of the first air inlet channel 310 close to the second air inlet channel 320 along the second direction Y; the second air inlet channel 320 is provided with a second air inlet 321 and a second air outlet 322. The second air inlet 321 is located on the side of the second air inlet channel 320 close to the first air inlet channel 310 along the second direction Y, and the second air outlet 322 is located on the side of the second air inlet channel 320 close to the second heat dissipation part 220 along the first direction X; the first air outlet 312 and the second air inlet 321 are connected, and the fan assembly 400 is used to drive air to enter the first air inlet channel 310 from the first air inlet 311, and then enter the second air inlet channel 320 through the first air outlet 312 and the second air inlet 321 in sequence, and flow into the second heat dissipation part 220 from the second air outlet 322.

[0134] The first air inlet 311 is used to receive cooler air, such as... Figure 4 In the embodiment shown, the first air intake channel 310 is located on one side of the first heat dissipation part 210 along the second direction X. The first air intake channel 310 is cuboid and includes a first sub-plate 301 in the first direction X, a second sub-plate 302 and a third sub-plate 303 arranged along the second direction Y, and a fourth sub-plate 304 and a fifth sub-plate 305 arranged along the third direction Z. The third direction Y intersects both the first direction X and the second direction Y. The first air intake channel 310 is formed by five sub-plates. The first air inlet 311 is located on the side of the first air intake channel 310 away from the first sub-plate 301 along the first direction X. The first air outlet 312 is located on the side where the third sub-plate 303 is located. The first air intake channel 310 has no other openings except for the first air inlet 311 and the first air outlet 312.

[0135] In one embodiment, the first sub-plate 301 and the second sub-plate 302 can be replaced by a curved side plate (e.g., Figure 7 As shown), the fourth sub-plate 304 and the fifth sub-plate 305 can also be curved plates. The first air intake channel 310 formed by the enclosure is curved. The air entering the first air intake channel 310 flows into the second air intake channel 320 through a path with less resistance, which is more conducive to the air intake of the first air intake channel 310, so as to facilitate the heat dissipation of the second heat dissipation part 220.

[0136] In such Figure 4In the embodiment shown, the second air inlet channel 320 is formed by a sixth sub-plate in the first direction X, a seventh sub-plate 307 arranged in the second direction Y, an eighth sub-plate 308 arranged in the third direction Z, and a ninth sub-plate 309. The sixth sub-plate is the side 306 of the second air inlet channel 320 mentioned above. The second air inlet 321 is located on the side of the second air inlet channel 320 away from the seventh sub-plate 307 in the first direction X. The second air outlet 322 is located on the side of the second air inlet channel 320 away from the sixth sub-plate in the first direction X. The sixth sub-plate blocks the first heat dissipation part 210 and the second heat dissipation part 220.

[0137] It is worth noting that, Figure 4 The first air inlet channel 310 and the second air inlet channel 320 in the above are exemplary representations. In other embodiments, the first air inlet channel 310 and the second air inlet channel 320 may also be of other shapes.

[0138] In one embodiment, the first direction X is the front-back direction of the server 10, i.e., the length direction; the second direction Y is the left-right direction of the server 10, i.e., the width direction; and the third direction Z is the up-down direction of the server 10, i.e., the height direction.

[0139] In one possible implementation, in the first direction X, the distance between the plane containing the first air inlet 311 and the second heat dissipation part 220 is equal to the distance between the side of the first heat dissipation part 210 away from the second heat dissipation part 220 and the second heat dissipation part 220 (e.g., ...). Figure 3a and Figure 4 (As shown). The plane containing the first air inlet 311 and the first direction X, i.e., the plane containing the first air inlet 311, form the YZ plane. In this embodiment, the distance between the plane containing the first air inlet 311 and the second heat dissipation unit 220 refers to the distance between the plane containing the first air inlet 311 and the side surface 221 of the second heat dissipation unit 220. Figure 3a In L1; the side of the first heat dissipation part 210 away from the second heat dissipation part 220 refers to the windward side of the first heat dissipation part 210, that is... Figure 3a The side 211 of the first heat dissipation part 210, the distance between the side of the first heat dissipation part 210 away from the second heat dissipation part 220 and the second heat dissipation part 220 refers to the distance between the side 211 of the first heat dissipation part 210 and the side 221 of the second heat dissipation part 220, that is... Figure 3aL2 in the diagram. By setting L1 equal to L2, that is, the plane where the first air inlet 311 is located is flush with the side of the first heat dissipation part 210 away from the second heat dissipation part 220, and the plane where the first air inlet 311 is located and the side 211 of the first heat dissipation part 210 are on the same plane, the temperature of the air entering the second heat dissipation part 220 through the first air inlet 311 is kept as consistent as possible with the temperature of the air entering the first heat dissipation part 210, that is, the air used to heat the second heat dissipation part 220 can be kept as low as possible. If the end face of the first air inlet 311 is located in the middle of the first heat dissipation part 210 along the first direction X, some of the hotter air in the first heat dissipation part 210 may escape from the first heat dissipation part 210 to the first air inlet 311, and the hotter air has a poor heat dissipation effect on the second heat dissipation part 220.

[0140] In one possible implementation, in the first direction X, the distance between the plane containing the first air inlet 311 and the second heat dissipation part 220 is greater than the distance between the side of the first heat dissipation part 210 away from the second heat dissipation part 220 and the second heat dissipation part 220 (e.g., ...). Figure 3b (As shown). The distance between the plane of the first air inlet 311 and the second heat dissipation part 220 refers to the distance between the plane of the first air inlet 311 and the side 221 of the second heat dissipation part 220, i.e., L1; the distance between the side of the first heat dissipation part 210 away from the second heat dissipation part 220 and the second heat dissipation part 220 refers to the distance between the side 211 of the first heat dissipation part 210 and the side 221 of the second heat dissipation part 220, i.e., L2. In this embodiment, by setting L1 to be greater than L2, that is, by setting the plane of the first air inlet 311 away from the first heat dissipation part 210, the plane of the first air inlet 311 is set further forward than the side 211 of the first heat dissipation part 210, which can guide cooler air into the first air inlet 311 to dissipate heat for the second heat dissipation part 220.

[0141] Please see Figure 5a and Figure 6 , Figure 5a This is a partial schematic diagram of a server 10 provided in one embodiment of this application. Figure 6This is a schematic diagram of the first exhaust channel 510 and the second exhaust channel 520 provided in one embodiment of this application. In one possible implementation, the server 10 further includes the first exhaust channel 510 and the second exhaust channel 520. The first exhaust channel 510 is located on one side of the heat sink 200 along the second direction Z, and the second exhaust channel 520 is located between the second air inlet channel 320 and the first heat sink 210. The second exhaust channel 520 connects the first heat sink 210 and the first exhaust channel 510. The fan assembly 400 is used to drive air from the first heat sink 210 to the second exhaust channel 520 and the first exhaust channel 510 in sequence, and then exhausts it from the first exhaust channel 510. The first exhaust channel 510 is located on one side of the second heat sink 220 along the second direction, and the second exhaust channel 520 is located within the groove 201. The second exhaust channel 520 can collect the hot air exhausted from the first heat sink 210 and guide the hot air to the first exhaust channel 510 for exhaust.

[0142] By setting up the first exhaust duct 510 and the second exhaust duct 520, the hot air flowing out of the first heat dissipation section 210 is guided out separately. On the one hand, the hot air discharged from the first heat dissipation section 210 will not pass through the second heat dissipation section 220, and will not affect the heat dissipation of the second heat dissipation section 220, thus better ensuring the heat dissipation capacity of the radiator 200. On the other hand, by setting up the first exhaust duct 510 and the second exhaust duct 520 to guide the exhaust of the first heat dissipation section 210, the exhaust process of the first heat dissipation section 210 is made smoother, so as to facilitate the rapid heat dissipation of the first heat dissipation section 210.

[0143] In one embodiment, in the second direction Y, the width of the second exhaust duct 520 is greater than or equal to the width of the first heat dissipation part 210, so that the second exhaust duct 520 can receive as much of the hot air discharged from the first heat dissipation part 210 as possible, so that the hot air in the first heat dissipation part 210 can be discharged better.

[0144] In other embodiments, the fan assembly 400 can drive the airflow within the server 10 in the opposite direction. That is, the fan assembly 400 drives the air to flow from the second heat dissipation section 220 toward the first heat dissipation section 210, with the second heat dissipation section 220 located upwind of the first heat dissipation section 210. In this case, the fan assembly 400 drives the airflow toward the second heat dissipation section 220 to dissipate heat from the second heat dissipation section 220, and then flows from the second heat dissipation section 220 to the second air intake channel 320 and the first air intake channel 310, before being discharged from the first air intake channel 310. The fan assembly 400 also drives the airflow from the first exhaust channel 510 to the second exhaust channel 520, and then from the second exhaust channel 520 to the first heat dissipation section 210 to dissipate heat from the first heat dissipation section 210.

[0145] In one embodiment, the first exhaust duct 510 and the first intake duct 310 may be located on different sides of the radiator 200 along the second direction Y (e.g., Figure 5a and Figure 7 As shown, the first exhaust duct 510 and the first intake duct 310 can be made as large as possible according to the internal environment of the server 10, so as to increase the exhaust volume of the first exhaust duct 510 and the intake volume of the first intake duct 310, so as to better achieve the exhaust of hot air to the first heat dissipation part 210 and the intake of cold air to the second heat dissipation part 220, thereby improving the heat dissipation capacity of the heat sink 200. In one embodiment, in the third direction Z, the depth of the groove 201, the height of the first intake duct 310, the height of the second intake duct 320, the height of the first exhaust duct 510 and the height of the second exhaust duct 520 can be equal or approximately equal, so that the internal components of the server 10 are more regularized.

[0146] In one embodiment, the first air inlet channel 310 and the second air inlet channel 320 can be an integrated structure, and the first exhaust channel 510 and the second exhaust channel 520 can also be an integrated structure.

[0147] In one possible implementation, the first exhaust duct 510 includes a third air inlet 511 and a third air outlet 512 (e.g., Figure 6 As shown, the third air inlet 511 is located on the side of the first exhaust duct 510 along the second direction Y, close to the second exhaust duct 520, and the third air outlet 512 is located on the side of the first exhaust duct 510 along the first direction X, away from the first heat dissipation part 210; the second exhaust duct 520 includes a fourth air inlet 521 and a fourth air outlet 522. The fourth air inlet 521 is located on the side of the second exhaust duct 520 along the first direction X, close to the first heat dissipation part 210, and the fourth air outlet 522 is located on the side of the second exhaust duct 520 along the second direction Y, close to the first exhaust duct 510; the fourth air outlet 522 is connected to the third air inlet 511. The fan assembly 400 is used to drive air to flow through the first heat dissipation part 210 and then enter the second exhaust duct 520 through the fourth air inlet 521, and then sequentially pass through the fourth air outlet 522 and the third air inlet 511 into the first exhaust duct 510, and finally discharge from the third air outlet 512.

[0148] In one embodiment, the first exhaust duct 510 may be curved (e.g., Figure 7 As shown, the plate that forms the first exhaust channel 510 is an arc-shaped plate, which allows the hot air from the first heat dissipation section 210 to be discharged more effectively.

[0149] In one embodiment, the opening size of the fourth air outlet 522 is smaller than the opening size of the second air inlet 321. The opening of the second air inlet 321 is larger, allowing air to quickly enter the second air inlet channel 320 from the first air inlet channel 310 to dissipate heat from the second heat dissipation unit 220. The opening size of the fourth air outlet 522 is smaller, allowing the air entering the first heat dissipation unit 210 to stay for a period of time, so that the air can fully absorb the heat of the first heat dissipation unit 210 before being discharged, thereby improving the utilization rate of cold air.

[0150] In one possible implementation, in the first direction X, the distance between the plane containing the third air outlet 512 and the first heat dissipation part 210 is equal to the distance between the side of the second heat dissipation part 220 away from the first heat dissipation part 210 and the first heat dissipation part 210 (e.g., ...). Figure 5a (As shown). The distance between the plane of the third air outlet 512 and the first heat dissipation part 210 is L3, and the distance between the side of the second heat dissipation part 220 away from the first heat dissipation part 210 and the first heat dissipation part 210 is L4. If L3 is equal to L4, then the end face of the third air outlet 512 and the side of the second heat dissipation part 220 away from the first heat dissipation part 210 are on the same plane, so that the hot air discharged from the end face of the third air outlet 512 will not flow into the second heat dissipation part 220, thus preventing the discharged hot air from affecting the heat dissipation of the second heat dissipation part 220.

[0151] In one possible implementation, in the first direction X, the distance between the plane containing the third air outlet 512 and the first heat dissipation part 210 is equal to the distance between the side of the second heat dissipation part 220 away from the first heat dissipation part 210 and the first heat dissipation part 210 (e.g., ...). Figure 5b (As shown). By setting L3 to be greater than L4, the end face of the third air outlet 512 is positioned further back than the second heat dissipation part 220, which can guide the hot air to the rear side of the second heat dissipation part 220, thereby reducing the impact of the discharged hot air on the heat dissipation of the second heat dissipation part 220.

[0152] Please see Figure 8 , Figure 9 and Figure 10 , Figure 8 This is a partial schematic diagram of a server 10 provided in one embodiment of this application. Figure 9 This is a schematic diagram of the first air inlet channel 310 and the second air inlet channel 320 provided in one embodiment of this application. Figure 10This is a schematic diagram of a first exhaust duct 510 and a second exhaust duct 520 provided in one embodiment of this application. In one embodiment, the first exhaust duct 510 and the first intake duct 310 may be located on the same side of the radiator 200 along the second direction Y. The first exhaust duct 510 and the first intake duct 310 are arranged closely together, which can save space inside the server 10. In one embodiment, the first exhaust duct 510 and the first intake duct 310 are stacked. In the third direction Z, the depth of the groove 201, the height of the second intake duct 320, and the height of the second exhaust duct 520 may be equal or approximately equal. The height of the first intake duct 310 and the height of the first exhaust duct 510 are equal or approximately equal and are about half the depth of the groove 201.

[0153] In one embodiment, the first exhaust duct 510 and the first air inlet duct 310 are an integrated structure. The upper plate of the first exhaust duct 510 and the lower plate (i.e., the fourth sub-plate 304) of the first air inlet duct 310 can share a single plate to save costs.

[0154] In such Figure 10 In the illustrated embodiment, the first exhaust duct 510 is formed by a front plate in the first direction X, left and right plates arranged along the second direction Y, and upper and lower plates arranged along the third direction Z. The third air outlet 512 is located on the rear side of the first exhaust duct 510, and the third air inlet 511 is located on the plane of the right plate. In one embodiment, the first exhaust duct 510 is a flipped first air inlet duct 310.

[0155] In such Figure 10 In the illustrated embodiment, the second exhaust duct 520 may be formed by a rear plate in the first direction X, a left and right plate arranged in the second direction Y, and an upper and lower plate arranged in the third direction Z. The fourth air inlet 521 is located on the front side of the second exhaust duct 520, and the fourth air outlet 522 is located on the plane of the left plate. In one embodiment, the second exhaust duct 520 is a flipped second air inlet duct 320.

[0156] It is worth noting that, Figure 6 and Figure 10 The first exhaust duct 510 and the second exhaust duct 520 in the above are exemplary representations. In other embodiments, the first exhaust duct 510 and the second exhaust duct 520 may also be other shapes, such as... Figure 7 In the middle, the first exhaust duct 510 can be arc-shaped.

[0157] In one embodiment, the second exhaust duct 520 and the second air inlet duct 320 are integrated structures. The rear plate of the second exhaust duct 520 and the front plate (i.e., the sixth sub-plate) of the second air inlet duct 320 share a single plate to improve the structural strength of the second exhaust duct 520 and the second air inlet duct 320 and save costs.

[0158] Please see Figure 11 , Figure 11 This is a partial schematic diagram of a server 10 provided in one embodiment of the present application. In one possible implementation, the server 10 further includes a first wind deflector 610. The first wind deflector 610 is located on the side of the first air inlet channel 310 along the first direction X, close to the second heat dissipation part 220, and the first wind deflector 610 is located on the side of the second heat dissipation part 220 along the second direction, close to the first air inlet channel 310. The first wind deflector 610 is used to block the air in the second heat dissipation part 220 from flowing out along the second direction Y. When air flows inside the second heat dissipation section 220 along the first direction X, due to the dense arrangement of the heat dissipation fins on the second heat dissipation section 220, there is a large wind resistance. The air flowing into the second heat dissipation section 220 can easily escape through the gaps on the second heat dissipation section 220 along the second direction Y toward the first air inlet channel 310, resulting in poor heat dissipation effect of the second heat dissipation section 220. At this time, by setting the first wind deflector 610 on the side of the second heat dissipation section 220, the air inside the second heat dissipation section 220 is prevented from escaping from the side, so that the air flowing into the second heat dissipation section 220 flows out from the side of the second heat dissipation section 220 away from the first heat dissipation section 210 along the first direction X. The air flowing through the two sides of the second heat dissipation section 220 along the first direction X can achieve a better heat dissipation effect on the second heat dissipation section 220.

[0159] In one embodiment, in the first direction X, the length of the first baffle 610 is greater than or equal to the distance between the side of the first air inlet channel 310 near the second heat sink 220 and the side of the second heat sink 220 away from the first heat sink 210. The first baffle 610 can better prevent air from flowing out of the second heat sink 220 along the second direction Y. In other embodiments, in the first direction X, the length of the first baffle 610 may also be less than the distance between the side of the first air inlet channel 310 near the second heat sink 220 and the side of the second heat sink 220 away from the first heat sink 210.

[0160] In one embodiment, the first wind deflector 610 is fixedly connected to the first air inlet channel 310 along the first direction X on the side close to the first air inlet channel 310 to fix the first wind deflector 610.

[0161] In one embodiment, the first windbreak 610 may be plate-shaped (e.g., Figure 12As shown), the surface of the first wind deflector 610 is parallel to the side of the second heat dissipation part 220 along the second direction Y, close to the first air inlet channel 310.

[0162] In one embodiment, the first windbreak 610 may also be block-shaped (e.g., Figure 11 As shown, when the first air inlet channel 310 is a cuboid, the first wind deflector 610 can also be a cuboid. In this case, the length of the first wind deflector 610 along the second direction Y can be set to be equal to the length of the first air inlet channel 310 along the second direction Y, and the height of the first wind deflector 610 along the third direction Z can be equal to the height of the first air inlet channel 310 along the third direction Z, so that the first wind deflector 610 and the first air inlet channel 310 are more coordinated and aesthetically pleasing as a whole.

[0163] In this embodiment, the first air inlet channel 310 is located on one side of the first heat dissipation part 210 along the second direction Y. The first air inlet channel 310 is disposed in close contact with the first heat dissipation part 210. The side plate of the first air inlet channel 310 along the second direction Y close to the first heat dissipation part 210 can also be used to block the air in the first heat dissipation part 210 from flowing out along the second direction Y.

[0164] Please see Figure 13 , Figure 13This is a partial schematic diagram of a server 10 provided in one embodiment of the present application. In one possible implementation, the server 10 further includes a second wind deflector 620. The second wind deflector 620 is located on the side of the first exhaust duct 510 along the first direction X close to the first heat dissipation section 210, and the second wind deflector 620 is located on the side of the first heat dissipation section 210 along the second direction Y close to the first exhaust duct 510. The second wind deflector 620 is used to block the air in the first heat dissipation section 210 from flowing out along the second direction Y, and to guide the air flowing toward the second wind deflector 620 into the first heat dissipation section 210. When the fan assembly 400 drives air to flow in the first direction X, the first heat sink 210 has a large air resistance. On the one hand, if the second baffle 620 is not provided before air flows into the first heat sink 210, air can easily flow from the side of the first heat sink 210 to the rear of the first heat sink 210 without passing through it, resulting in the loss of cool air. The second baffle 620 can prevent air from flowing away from the side of the first heat sink 210, allowing more air to flow into the first heat sink 210 to quickly dissipate heat. On the other hand, when air enters the first... After the heat dissipation part 210, it is also easy for air to escape through the gap along the second direction Y towards the first exhaust channel 510, resulting in poor heat dissipation effect of the first heat dissipation part 210. At this time, by setting the second wind baffle 620 on the side of the first heat dissipation part 210, the air in the first heat dissipation part 210 is prevented from escaping from the side, so that the air flowing into the first heat dissipation part 210 flows out from the side of the first heat dissipation part 210 along the first direction X close to the second heat dissipation part 220 as much as possible. The air flows through the two sides of the first heat dissipation part 210 along the first direction X, which can achieve a better heat dissipation effect on the first heat dissipation part 210.

[0165] In one embodiment, in the first direction X, the length of the second baffle 620 is greater than or equal to the distance between the side of the first exhaust channel 510 near the first heat sink 210 and the side of the first heat sink 210 away from the second heat sink 220. The second baffle 620 can better prevent air from flowing out of the first heat sink 210 along the second direction Y. In other embodiments, in the first direction X, the length of the second baffle 620 may also be less than the distance between the side of the first exhaust channel 510 near the first heat sink 210 and the side of the first heat sink 210 away from the second heat sink 220.

[0166] In one embodiment, the second wind deflector 620 is fixedly connected to the first exhaust duct 510 along the first direction X on the side close to the first exhaust duct 510 to fix the second wind deflector 620.

[0167] In one embodiment, the second wind deflector 620 includes a wind guide plate 621 and a wind deflector 622 connected to each other (e.g., ...). Figure 14As shown, the air guide plate 621 intersects with the first direction X, and the surface of the baffle plate 622 is parallel to the side of the first heat dissipation part 210 along the second direction Y near the first exhaust channel 510. The air guide plate 621 is used to guide the air flowing towards the second baffle 620 into the first heat dissipation part 210, and the baffle plate 622 is used to block the air in the first heat dissipation part 210 from flowing out along the second direction Y.

[0168] In one embodiment, the second windbreak 620 may also be block-shaped (e.g., Figure 13 As shown, the side of the second baffle 620 away from the first exhaust channel 510 along the first direction X is used to guide air into the first heat dissipation part 210, and the side of the second baffle 620 close to the first heat dissipation part 210 along the second direction Y is used to block air from flowing out of the first heat dissipation part 210 along the second direction Y. In one embodiment, when the first exhaust channel 510 is a cuboid, the second baffle 620 can also be a cuboid. In this case, the length of the second baffle 620 along the second direction Y can be set to be equal to the length of the first exhaust channel 510 along the second direction Y, and the height of the second baffle 620 along the third direction Z can be equal to the height of the first exhaust channel 510 along the third direction Z, so that the second baffle 620 and the first exhaust channel 510 are more coordinated and aesthetically pleasing.

[0169] In this embodiment, the first exhaust duct 510 is located on one side of the second heat dissipation part 220 along the second direction Y. The first exhaust duct 510 is disposed in close contact with the second heat dissipation part 220. The side plate of the first exhaust duct 510 along the second direction Y near the second heat dissipation part 220 can also be used to block the air in the second heat dissipation part 220 from flowing out along the second direction Y.

[0170] In one embodiment, server 10 may simultaneously include a first windbreak 610 and a second windbreak 620 (e.g., Figure 15 (As shown).

[0171] Please see Figure 16 , Figure 17 and Figure 18 , Figure 16 This is a schematic diagram of a server 10 provided in one embodiment of this application. Figure 17 This is a schematic diagram of an air intake channel provided in one embodiment of this application. Figure 18 A schematic diagram of an exhaust duct provided in one embodiment of this application;

[0172] In one possible implementation, the first exhaust duct 510 and the first intake duct 310 are located on the same side of the radiator 200 along the second direction Y and are stacked along the third direction Z. The third direction Z intersects both the first direction X and the second direction Y. The server 10 also includes a third intake duct 330 located on the other side of the radiator 200 along the second direction Y. The third intake duct 330 is connected to the second intake duct 320. Air flows from the third intake duct 330 to the second intake duct 320 and from the second intake duct 320 to the second heat dissipation unit 220.

[0173] The third air intake channel 330 can guide the cooler air from the upwind direction through the second air intake channel 320 to the second heat dissipation unit 220. Since there are no heat-generating devices in the third air intake channel 330 and the second air intake channel 320, the cooler air can still maintain a low temperature when it reaches the second heat dissipation unit 220 after passing through the third air intake channel 330 and the second air intake channel 320. Using cooler air can achieve rapid heat dissipation of the second heat dissipation unit 220 and ensure the stable operation of the central processing unit 100.

[0174] By adding a third air intake channel 330, on the one hand, the fan assembly 400 can drive air from the third air intake channel 330 and the first air intake channel 310 to the second air intake channel 320, and from the second air intake channel 320 to the second heat dissipation unit 220, increasing the amount of cold air entering the second air intake channel 320, that is, increasing the amount of cold air used to dissipate heat for the second heat dissipation unit 220, and improving the heat dissipation capacity of the second heat dissipation unit 220; on the other hand, the first air intake channel 310 and the third air intake channel 330 are respectively located on both sides of the radiator 200 along the second direction Y, in Figure 16 and Figure 17 In this embodiment, the first air intake channel 310 and the third air intake channel 330 are located on the left and right sides of the radiator 200, respectively. The cold air entering the second air intake channel 320 from the first air intake channel 310 is closer to the left side of the second heat dissipation part 220, which can better dissipate heat on the left side of the second heat dissipation part 220. The cold air entering the second air intake channel 320 from the third air intake channel 330 is closer to the right side of the second heat dissipation part 220, which can better dissipate heat on the right side of the second heat dissipation part 220. In this embodiment, by setting the first air intake channel 310 and the third air intake channel 330 on the left and right sides of the radiator 200, heat dissipation on both sides of the second heat dissipation part 220 can be taken into account, so as to achieve a better heat dissipation effect.

[0175] In one embodiment, the third air inlet duct 330 is provided with a fifth air inlet 331 and a fifth air outlet 332 (e.g., Figure 17As shown, the fifth air inlet 331 is located on the side of the third air inlet channel 330 away from the second heat dissipation part 220 along the first direction X, and the fifth air outlet 332 is located on the side of the third air inlet channel 330 close to the second air inlet channel 320 along the second direction Y; the second air inlet channel 320 is also provided with a sixth air inlet 323, which is located on the side of the second air inlet channel 320 close to the third air inlet channel 330 along the second direction Y, and the sixth air inlet 323 and the second air inlet 321 are located on opposite sides of the second air inlet channel 320 along the second direction Y; the fifth air outlet 332 and the sixth air inlet 323 are connected, and the fan assembly 400 is used to drive air from the fifth air inlet 331 into the third air inlet channel 330, and sequentially through the fifth air outlet 332 and the sixth air inlet 323 into the second air inlet channel 320, and flow into the second heat dissipation part 220 from the second air outlet 322.

[0176] In one embodiment, in the first direction X, the distance between the plane of the fifth air inlet 331 and the second heat dissipation section 220 is greater than or equal to the distance between the side of the first heat dissipation section 210 away from the second heat dissipation section 220 and the second heat dissipation section 220. The end face of the fifth air inlet 331 is positioned forward, which can guide cooler air into the fifth air inlet 331 to dissipate heat from the second heat dissipation section 220.

[0177] In one embodiment, the end face of the fifth air inlet 331 may be flush with or approximately flush with the end face of the first air inlet 311. In other embodiments, the end face of the fifth air inlet 331 may not be flush with the end face of the first air inlet 311, depending on the specific installation environment inside the server 10.

[0178] In one possible implementation, the first exhaust duct 510 and the first intake duct 310 are located on the same side of the radiator 200 along the second direction Y and are stacked along the third direction Z. The third direction Z intersects both the first direction X and the second direction Y. The server 10 also includes a third exhaust duct 530 located on the other side of the radiator 200 along the second direction Y. The third exhaust duct 530 is connected to the second exhaust duct 520. Air flows from the first heat dissipation part 210 to the second exhaust duct 520 and the third exhaust duct 530 in sequence, and is discharged from the third exhaust duct 530.

[0179] After the hot air flowing out of the first heat dissipation section 210 is discharged into the second exhaust duct 520, the hot air in the second exhaust duct 520 can be guided out through the third exhaust duct 530, so that the hot air discharged from the first heat dissipation section 210 will not pass through the second heat dissipation section 220 and will not affect the heat dissipation of the second heat dissipation section 220, thus better ensuring the heat dissipation capacity of the radiator 200. At the same time, it makes the exhaust process of the first heat dissipation section 210 smoother, so as to facilitate the rapid heat dissipation of the first heat dissipation section 210.

[0180] By adding a third exhaust duct 530, on the one hand, after the hot air flowing out of the first heat dissipation unit 210 is discharged to the second exhaust duct 520, the hot air in the second exhaust duct 520 can be discharged simultaneously from the third exhaust duct 530 and the first exhaust duct 510, increasing the exhaust volume of the first heat dissipation unit 210 and making the hot air exhaust process of the first heat dissipation unit 210 smoother. On the other hand, in Figure 16 and Figure 18 In this embodiment, the first exhaust duct 510 and the third exhaust duct 530 are located on the left and right sides of the radiator 200, respectively. The hot air flowing from the left side of the first heat dissipation section 210 to the second exhaust duct 520 is easily discharged through the first exhaust duct 510, and the hot air flowing from the right side of the first heat dissipation section 210 to the second exhaust duct 520 is easily discharged through the third exhaust duct 530. Compared with setting the first exhaust duct 510 and the third exhaust duct 530 on the same side of the radiator 200, in this embodiment, the first exhaust duct 510 and the third exhaust duct 530 are located on the two sides of the radiator 200, respectively. The exhaust path of the first heat dissipation section 210 is relatively short, which makes the hot air exhaust process of the first heat dissipation section 210 smoother.

[0181] In one embodiment, the third exhaust duct 530 includes a seventh air inlet 531 and a seventh air outlet 532 (e.g., Figure 18 As shown, the seventh air inlet 531 is located on the side of the third exhaust duct 530 along the second direction Y, close to the second exhaust duct 520, and the seventh air outlet 532 is located on the side of the third exhaust duct 530 along the first direction X, away from the first heat dissipation part 210. The second exhaust duct 520 also includes an eighth air outlet 523, which is located on the side of the second exhaust duct 520 along the second direction Y, close to the third exhaust duct 530. The eighth air outlet 523 and the fourth air outlet 522 are located on both sides of the second exhaust duct 520 along the second direction Y. The eighth air outlet 523 is connected to the seventh air inlet 531. The fan assembly 400 is used to drive the air to flow through the first heat dissipation part 210 and then enter the second exhaust duct 520 through the fourth air inlet 521, and then sequentially pass through the eighth air outlet 523 and the seventh air inlet 531 into the third exhaust duct 530, and finally be discharged from the seventh air outlet 532.

[0182] In one embodiment, the opening size of the eighth air outlet 523 is smaller than that of the sixth air inlet 323. The opening of the sixth air inlet 323 is larger, allowing air to quickly enter the second air inlet channel 320 from the third air inlet channel 330 to dissipate heat from the second heat dissipation section 220. The opening size of the eighth air outlet 523 is smaller, allowing the air entering the first heat dissipation section 210 to stay for a period of time, so that the air can fully absorb the heat of the first heat dissipation section 210 before being discharged, thereby improving the utilization rate of cold air.

[0183] In one embodiment, in the first direction X, the distance between the plane of the seventh air outlet 532 and the first heat dissipation part 210 is greater than or equal to the distance between the side of the second heat dissipation part 220 away from the first heat dissipation part 210 and the first heat dissipation part 210. The end face of the seventh air outlet 532 is positioned rearward, which can guide hot air to the rear side of the second heat dissipation part 220, thereby reducing the impact of the discharged hot air on the heat dissipation of the second heat dissipation part 220.

[0184] In one embodiment, the end face of the seventh air outlet 532 is flush with or approximately flush with the end face of the third air outlet 512. In other embodiments, the end face of the seventh air outlet 532 may not be flush with the end face of the third air outlet 512, depending on the specific installation environment inside the server 10.

[0185] In one embodiment, server 10 further includes a third windbreak 630 (e.g., Figure 19 As shown, the third baffle 630 is located on the side of the third air inlet channel 330 along the first direction X, close to the second heat dissipation section 220, and on the side of the second heat dissipation section 220 along the second direction, close to the third air inlet channel 330. The third baffle 630 is used to block air from flowing out of the second heat dissipation section 220 along the second direction Y. In one embodiment, the third baffle 630 can be plate-shaped, block-shaped, or other shapes, and this application does not limit this.

[0186] In one embodiment, the third air inlet channel 330 is located on one side of the first heat dissipation part 210 along the second direction Y. The third air inlet channel 330 is disposed in close contact with the first heat dissipation part 210. The side plate of the third air inlet channel 330 along the second direction Y close to the first heat dissipation part 210 can also be used to block the air in the first heat dissipation part 210 from flowing out along the second direction Y.

[0187] In one embodiment, server 10 further includes a fourth windbreak 640 (e.g., Figure 20 As shown, the fourth wind deflector 640 is located on the side of the third exhaust duct 530 along the first direction X close to the first heat dissipation part 210, and the fourth wind deflector 640 is located on the side of the first heat dissipation part 210 along the second direction Y close to the third exhaust duct 530. The fourth wind deflector 640 is used to block the air in the first heat dissipation part 210 from flowing out along the second direction Y, and to guide the air flowing towards the second wind deflector 620 into the first heat dissipation part 210.

[0188] In one embodiment, the fourth baffle 640 includes two connected plates, one plate intersecting the first direction X to guide air flowing toward the fourth baffle 640 into the first heat dissipation section 210; the other plate has its surface parallel to the side of the first heat dissipation section 210 along the second direction Y near the third exhaust channel 530, to block air from flowing out of the first heat dissipation section 210 along the second direction Y. In one embodiment, the fourth baffle 640 may also be block-shaped or other shapes, and this application does not limit this.

[0189] In one embodiment, server 10 may simultaneously include a first windbreak 610, a second windbreak 620, a third windbreak 630, and a fourth windbreak 640 (e.g., Figure 21 (As shown).

[0190] Please continue reading. Figure 16 In one possible implementation, the heat sink 200 is located on the side of the central processing unit 100 along the third direction Z, which intersects both the first direction X and the second direction Y. Along the third direction Z, the first air intake channel 310 is located on the side of the first exhaust channel 510 away from the central processing unit 100, and the third air intake channel 330 is located on the side of the third exhaust channel 530 closer to the central processing unit 100. In this embodiment, the first exhaust channel 510 and the first air intake channel 310 are located on the same side of the heat sink 200 along the second direction Y and are stacked along the third direction Z, while the third air intake channel 330 and the third exhaust channel 530 are located on the other side of the heat sink 200 along the second direction Y and are stacked along the third direction Z.

[0191] The first air intake channel 310 is located on the side of the third air intake channel 330 away from the central processing unit 100 along the third direction Z. The first air intake channel 310 and the third air intake channel 330 are located on opposite sides of the heat sink 200 along the second direction Y. The first air intake channel 310 and the third air intake channel 330 are staggered in the third direction Z and the second direction Y. The sixth air intake 323 is located on the side of the second air intake 321 closer to the central processing unit 100 along the third direction Z. The sixth air intake 323 is staggered from the second air intake 321 along the third direction Z. The second heat sink 220 can be divided into an upper part and a lower part along the third direction Z. The upper part of the second heat sink 220 is farther from the central processing unit 100 than the lower part. The temperature of the lower part of the second heat sink 220 is generally higher than the temperature of the upper part.

[0192] The air intake channel formed by the first air intake channel 310 and the second air intake channel 320 blows directly onto the upper part of the second heat dissipation unit 220 (e.g., Figure 16 and Figure 17As shown, the air intake channel formed by the first air intake channel 310 and the second air intake channel 320 has a better heat dissipation effect on the upper part of the second heat dissipation unit 220; the air intake channel formed by the third air intake channel 330 and the second air intake channel 320 blows directly onto the lower part of the second heat dissipation unit 220, and the air intake channel formed by the third air intake channel 330 and the second air intake channel 320 has a better heat dissipation effect on the lower part of the second heat dissipation unit 220; the two air intake channels dissipate heat to the upper and lower parts of the second heat dissipation unit 220 respectively, so as to improve the heat dissipation effect of the second heat dissipation unit 220. The heat dissipation effect of the heat dissipation unit 220 is improved. At the same time, the air volume and temperature of the two air intake channels can be adaptively adjusted according to the temperature of the upper and lower parts of the second heat dissipation unit 220 to better dissipate heat from the second heat dissipation unit 220. For example, if the temperature of the lower part of the second heat dissipation unit 220 is higher than that of the upper part, the air volume of the third air intake channel 330 can be increased, such as by increasing the size of the fifth air intake 331, or the temperature of the air entering the third air intake channel 330 can be reduced to better dissipate heat from the lower part of the second heat dissipation unit 220.

[0193] In one embodiment, the second air inlet channel 320 can also be divided into two receiving spaces along the third direction Z by a partition. The air inlet channel formed by the upper space of the first air inlet channel 310 and the second air inlet channel 320 dissipates heat to the upper part of the second heat dissipation part 220, and the air inlet channel formed by the third air inlet channel 330 and the lower space of the second air inlet channel 320 dissipates heat to the lower part of the second heat dissipation part 220.

[0194] The first exhaust duct 510 is located on the side of the third exhaust duct 530 along the third direction Z, closer to the central processing unit 100. The first exhaust duct 510 and the third exhaust duct 530 are located on opposite sides of the heat sink 200 along the second direction Y, respectively. The first exhaust duct 510 and the third exhaust duct 530 are staggered in the third direction Z and the second direction Y. The eighth air outlet 523 is located on the side of the fourth air outlet 522 along the third direction Z, away from the central processing unit 100. The eighth air outlet 523 and the fourth air outlet 522 are staggered in the third direction Z. The first heat sink 210 can be divided into an upper part and a lower part along the third direction Z. The upper part of the first heat sink 210 is further away from the central processing unit 100 than the lower part of the first heat sink 210. The temperature of the lower part of the first heat sink 210 is generally higher than the temperature of the upper part of the first heat sink 210.

[0195] Air passing through the lower part of the first heat dissipation section 210 is more easily discharged from the exhaust channel formed by the second exhaust channel 520 and the first exhaust channel 510 (e.g., Figure 16 and Figure 18As shown), the air passing through the upper part of the first heat dissipation section 210 is more easily discharged from the exhaust channel formed by the second exhaust channel 520 and the third exhaust channel 530. Hot air of different temperatures can be discharged to different areas. In this embodiment, according to the layout of the internal components of the server 10, hot air of different temperatures can be discharged to different areas to avoid affecting the heat dissipation of the components behind the heat sink 200.

[0196] In one embodiment, a partition can be used to divide the second exhaust duct 520 into two receiving spaces along the third direction Z. Air passing through the lower part of the first heat dissipation part 210 is discharged from the exhaust duct formed by the lower space of the second exhaust duct 520 and the first exhaust duct 510, and air passing through the upper part of the first heat dissipation part 210 is discharged from the exhaust duct formed by the upper space of the second exhaust duct 520 and the third exhaust duct 530.

[0197] In other embodiments, on the third direction Z, the first air intake channel 310 is located on the side of the first exhaust channel 510 closer to the central processing unit 100, and the third air intake channel 330 is located on the side of the third exhaust channel 530 away from the central processing unit 100.

[0198] In one possible implementation, the server 10 further includes a memory module 700 located on one side of the central processing unit 100 along the second direction Y. A first air intake channel 310 is located on one side of the memory module 700 along the third direction Z, which intersects both the first direction X and the second direction Y. Along the third direction Z, the height of the second air intake channel 320 is less than or equal to the distance between the surface of the heat sink 200 away from the memory module 700 and the surface of the memory module 700 near the first air intake channel 310. Figure 8 As shown, the height of the second air intake channel 320 is h1, and the distance between the surface of the heat sink 200 away from the memory module 700 and the surface of the memory module 700 near the first air intake channel 310 is h2.

[0199] Generally, the height of the memory module 700 along the third direction Z is greater than the height of the central processing unit 100 along the third direction Z, and the heat sink 200 also includes a third heat dissipation section 230 (e.g., Figure 22 As shown, the third heat dissipation unit 230 is located on the side of the first heat dissipation unit 210 and the second heat dissipation unit 220 along the third direction Z, close to the central processing unit 100. The fan assembly 400 can drive air to dissipate heat from the third heat dissipation unit 230 along the first direction X. If h1 is set to be greater than or equal to h2, even if the height of the second heat dissipation unit 220 and the central processing unit 100 along the third direction Z is greater than or equal to the height of the memory module 700 along the third direction Z, the heat dissipation of the third heat dissipation unit 230 will not be hindered while efficiently cooling the second heat dissipation unit 220.

[0200] If the height of the third heat dissipation part 230 along the third direction Z is lower than that of the memory module 700, that is, the height of the second air intake channel 320 is greater than the distance between the surface of the heat sink 200 away from the memory module 700 and the surface of the memory module 700 close to the first air intake channel 310, then the second air intake channel 320 is likely to block the heat dissipation and exhaust of the third heat dissipation part 230 located on the rear side.

[0201] In one embodiment, the height of the second exhaust duct 520 is less than or equal to the distance between the surface of the heat sink 200 away from the memory module 700 and the surface of the memory module 700 near the first air intake duct 310.

[0202] In one embodiment, server 10 includes two memory modules 700 (e.g., ...). Figure 16 As shown), memory modules 700a and 700b are located on opposite sides of the central processing unit 100 along the second direction Y. The third air intake channel 330 and the third air exhaust channel 530 are located on the side of memory module 700b along the third direction Z. The height of the second air intake channel 320 is less than or equal to the distance between the surface of the heat sink 200 away from memory module 700b and the surface of memory module 700b near the first air intake channel 310, or the height of the second air exhaust channel 520 is less than or equal to the distance between the surface of the heat sink 200 away from memory module 700b and the surface of memory module 700b near the first air intake channel 310.

[0203] In one implementation, such as Figure 23 and Figure 24 As shown, server 10 includes two central processing units 100 spaced apart, namely Figure 1 The server 10 includes central processing units 100a and 100b; the server 10 also includes three memory modules 700, namely... Figure 1 The memory modules numbered 700a, 700b, and 700c have a CPU 100a located between memory modules 700a and 700b, and a CPU 100b located between memory modules 700b and 700c. The CPU 100b can also use the same cooling method as the CPU 100a.

[0204] like Figure 23As shown, the central processing unit 100b is also provided with a heat sink 200. The heat sink 200 includes a first heat sink 210 and a second heat sink 220 arranged along the first direction X. The central processing unit 100b can also share the third air intake channel 330 and the third air exhaust channel 530 with the central processing unit 100a. That is, the air in the third air intake channel 330 can also flow into the second heat sink 220 of the heat sink 200 on the central processing unit 100b, and the hot air discharged from the first heat sink 210 of the heat sink 200 on the central processing unit 100b can also be discharged through the third air exhaust channel 530.

[0205] To illustrate the impact of the air intake and exhaust channels in this application on the heat dissipation of the central processing unit 100, the following will be discussed: Figure 1 The implementation method that only sets up the heat sink 200 is different from the implementation method. Figure 24 A comparison is made between the implementation of the heat sink 200, the air intake channel, and the exhaust channel, and, for the same operating time, the implementation of this application for a 350W central processing unit 100... Figure 24 The temperature of the central processing unit 100 measured in the implementation method is higher than that of the central processing unit 100. Figure 1 The embodiment with only heat sink 200 was found to have a temperature at least 3°C ​​lower, indicating that the embodiment of this application has a good heat dissipation effect.

[0206] It is worth noting that the various exhaust and intake channels in this application can be formed by the side wall of the server chassis 11, the surface of the memory module 700, and the surfaces of other devices, and this application does not impose any restrictions on this.

[0207] This application also provides a server rack, which includes a rack and a server 10 as described in any of the preceding claims, the server 10 being disposed on the rack.

[0208] This application also provides a data center, which includes at least one rack as described above.

[0209] This application also provides a heat dissipation assembly for dissipating heat from a central processing unit 100 within a server 10. The heat dissipation assembly includes a heat sink 200, a first air intake channel 310, and a second air intake channel 320. The heat sink 200 is located on one side of the central processing unit 100 and is used to absorb heat from the central processing unit 100. The heat sink 200 includes a first heat dissipation section 210 and a second heat dissipation section 220 arranged along a first direction X. The first air intake channel 310 is located on one side of the heat sink 200 along a second direction Y, which intersects with the first direction X. The second air intake channel 320 is located between the first heat dissipation section 210 and the second heat dissipation section 220 and connects the first air intake channel 310 and the second heat dissipation section 220. A fan assembly 400 within the server 10 can drive airflow toward the first heat dissipation section 210 to dissipate heat from the first heat dissipation section 210, and can also drive airflow from the first air intake channel 310 to the second air intake channel 320, and from the second air intake channel 320 to the second heat dissipation section 220 to dissipate heat from the second heat dissipation section 220.

[0210] In one embodiment, the heat dissipation assembly further includes a first exhaust channel 510 and a second exhaust channel 520. The first exhaust channel 510 is located on one side of the radiator 200 along the second direction Z, and the second exhaust channel 520 is located between the second air inlet channel 320 and the first heat dissipation part 210. The second exhaust channel 520 connects the first heat dissipation part 210 and the first exhaust channel 510. The fan assembly 400 can drive air to flow sequentially from the first heat dissipation part 210 to the second exhaust channel 520 and the first exhaust channel 510, and then exhaust it from the first exhaust channel 510.

[0211] The server and cabinet provided in the embodiments of this application have been described in detail above. Specific examples have been used to illustrate the principles and embodiments of this application. The description of the embodiments above is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in specific embodiments and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A server, characterized in that, The server includes: CPU; A heat sink, located on one side of the central processing unit, is used to absorb the heat of the central processing unit. The heat sink includes a first heat dissipation section and a second heat dissipation section arranged along a first direction. A first air inlet channel is located on one side of the radiator along a second direction, the second direction intersecting with the first direction, and a first air outlet is provided on the side of the first air inlet channel along the second direction; The second air inlet channel has a second air outlet on its side along the first direction. The second air inlet channel is located between the first heat dissipation part and the second heat dissipation part, and is connected to the first air inlet channel through the first air outlet and to the second heat dissipation part through the second air outlet. A fan assembly for driving air to flow in the first direction, the air flowing from the first air intake channel to the second air intake channel, and from the second air intake channel to the second heat dissipation unit; The server further includes a first wind deflector, which is located on the side of the first air intake channel close to the second heat dissipation part along the first direction, and the first wind deflector is located on the side of the second heat dissipation part close to the first air intake channel along the second direction. The first wind deflector is used to block the air in the second heat dissipation part from flowing out along the second direction. The heat sink further includes a third heat sink, which connects the first heat sink and the second heat sink, and is located on the side of the first heat sink and the second heat sink along a third direction closer to the central processing unit. The fan assembly can drive air to dissipate heat from the third heat sink along the first direction.

2. The server according to claim 1, characterized in that, The second air inlet channel has a side surface along the first direction X, close to the first heat dissipation part. The side surface intersects the first direction and is used to block the air flowing from the first heat dissipation part to the second heat dissipation part.

3. The server according to claim 1 or 2, characterized in that, The first air intake channel is also provided with a first air inlet, which is located on the side of the first air intake channel away from the second heat dissipation part along the first direction, and the first air outlet is located on the side of the first air intake channel close to the second air intake channel along the second direction. The second air intake channel is also provided with a second air inlet, which is located on the side of the second air intake channel along the second direction close to the first air intake channel, and the second air outlet is located on the side of the second air intake channel along the first direction close to the second heat dissipation part. The first air outlet and the second air inlet are connected. The air enters the first air inlet channel from the first air inlet, passes through the first air outlet and the second air inlet in sequence, enters the second air inlet channel, and flows into the second heat dissipation unit from the second air outlet.

4. The server according to claim 3, characterized in that, In the first direction, the distance between the plane where the first air inlet is located and the second heat dissipation part is greater than or equal to the distance between the side of the first heat dissipation part away from the second heat dissipation part and the second heat dissipation part.

5. The server according to any one of claims 1-4, characterized in that, The server further includes a first exhaust duct and a second exhaust duct. The first exhaust duct is located on one side of the heat sink along the second direction. The second exhaust duct is located between the second air inlet duct and the first heat sink. The second exhaust duct connects the first heat sink and the first exhaust duct. The air flows from the first heat sink to the second exhaust duct and the first exhaust duct in sequence, and is discharged from the first exhaust duct.

6. The server according to claim 5, characterized in that, The first exhaust duct includes a third air inlet and a third air outlet. The third air inlet is located on the side of the first exhaust duct closer to the second exhaust duct along the second direction, and the third air outlet is located on the side of the first exhaust duct away from the first heat dissipation part along the first direction. The second exhaust duct includes a fourth air inlet and a fourth air outlet. The fourth air inlet is located on the side of the second exhaust duct along the first direction close to the first heat dissipation part, and the fourth air outlet is located on the side of the second exhaust duct along the second direction close to the first exhaust duct. The fourth air outlet is connected to the third air inlet. After the air flows through the first heat dissipation part, it enters the second exhaust channel through the fourth air inlet, and then enters the first exhaust channel through the fourth air outlet and the third air inlet in sequence, and is discharged from the third air outlet.

7. The server according to claim 6, characterized in that, In the first direction, the distance between the plane where the third air outlet is located and the first heat dissipation part is greater than or equal to the distance between the side of the second heat dissipation part away from the first heat dissipation part and the first heat dissipation part.

8. The server according to any one of claims 5-7, characterized in that, The server further includes a second wind deflector, which is located on the side of the first exhaust duct close to the first heat dissipation part along the first direction, and on the side of the first heat dissipation part close to the first exhaust duct along the second direction. The second wind deflector is used to block the air in the first heat dissipation part from flowing out along the second direction, and to guide the air flowing toward the second wind deflector into the first heat dissipation part.

9. The server according to any one of claims 5-7, characterized in that, The first exhaust duct and the first intake duct are located on the same side of the radiator along the second direction and are stacked along the third direction, which intersects both the first direction and the second direction.

10. The server according to claim 9, characterized in that, The server further includes a third air intake channel located on the side of the heat sink away from the first air intake channel along the second direction. The third air intake channel communicates with the second air intake channel, and air flows from the third air intake channel to the second air intake channel, and from the second air intake channel to the second heat dissipation unit; and / or The server further includes a third exhaust duct, which is located on the side of the heat sink away from the first exhaust duct along the second direction. The third exhaust duct is connected to the second exhaust duct. The fan assembly can drive air to flow from the first heat sink sequentially to the second exhaust duct and the third exhaust duct, and then exhaust it from the third exhaust duct.

11. The server according to claim 10, characterized in that, The server includes the third air intake channel and the third air exhaust channel, and the heat sink is located on one side of the central processing unit along the third direction, which intersects both the first direction and the second direction; In the third direction, the first air intake channel is located on the side of the first exhaust channel away from the central processing unit, and the third air intake channel is located on the side of the third exhaust channel closer to the central processing unit.

12. The server according to any one of claims 1-11, characterized in that, The server further includes a memory module located on one side of the central processing unit along the second direction, and the first air intake channel located on one side of the memory module along a third direction, which intersects both the first and second directions. The height of the second air intake channel in the third direction is less than or equal to the distance between the surface of the heat sink away from the memory module and the surface of the memory module close to the first air intake channel.

13. A server rack, characterized in that, It includes a rack and a server as described in any one of claims 1-12, wherein the server is disposed on the rack.

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