Fan wall heat dissipation system for server case

Abstract

The fan wall heat dissipation system for the server case comprises a 3D heat dissipation system composed of a case shell, a middle vertical fan wall, a front-end vertical fan wall, a rear-end vertical fan wall and a horizontal fan wall, the case shell comprises a rectangular cavity composed of a front panel, a rear panel, a bottom plate, a cover plate and two side plates, and the front-end vertical fan wall, the rear-end vertical fan wall and the horizontal fan wall are arranged in the rectangular cavity. The housing is used for accommodating server function modules; the middle vertical fan wall is basically parallel to a front panel and a rear panel of the case shell, divides the rectangular cavity into a front cavity and a rear cavity, and is used for conveying air in the front cavity into the rear cavity; the front-end vertical fan wall is located on the inner side of a front plate of the case shell and used for sucking external air into a front cavity of the case shell. The rear-end vertical fan wall is located on the outer side of a rear plate of the case shell and used for exhausting air in a rear cavity of the case shell out of the case shell. And the horizontal fan wall is positioned at the upper part of the front cavity of the rectangular cavity of the case shell and is basically parallel to the bottom plate of the case shell.

Description

Technical Field

[0001] The present invention relates to the field of server equipment, and in particular to a fan heat dissipation system of a server chassis. Background Art

[0002] With the rapid development of cloud computing, big data processing and artificial intelligence applications, the requirements for server performance are increasing, resulting in a significant increase in the heat generated by electronic components inside the server, such as CPU, GPU, etc. Traditional single-stage or two-stage cooling solutions are often difficult to effectively control the internal temperature of the chassis when facing a high-density, high-power 8-card server configuration, thus affecting the stability and service life of the server. Especially under the limitation of 5U height, the spatial layout of the cooling system is more compact, and the cooling efficiency has become a key issue that needs to be solved urgently. The existing cooling fan design is mostly concentrated on a single air duct or front and back air duct mode, which cannot make full use of the internal space of the chassis, and is prone to form a heat island effect in some areas, reducing the cooling effect. Therefore, it is necessary to provide an innovative server chassis structure, which can achieve more efficient thermal management by optimizing the air duct design and increasing the layout of cooling fans, and ensure the stability and reliability of the server when running under high load, which is of great significance for improving the overall space utilization of the server chassis, the overall performance of the system, reducing energy consumption, and ensuring the continuity and security of data processing. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a 3D heat dissipation system composed of a middle vertical fan wall, a front vertical fan wall, a rear vertical fan wall and a horizontal fan wall, which accelerates the air flow in the chassis and quickly performs internal and external heat exchange. The fan wall heat dissipation system is used for a server chassis.

[0004] The technical solution of the present invention is achieved in this way:

[0005] The present invention discloses a fan wall heat dissipation system for a server case, comprising: a case shell, a middle vertical fan wall, a front vertical fan wall, a rear vertical fan wall and a horizontal fan wall; the case shell comprises a rectangular cavity formed by a front panel, a rear panel, a bottom plate, a cover plate and two side plates, and is used to accommodate a server function module; the middle vertical fan wall is substantially parallel to the front panel and the rear panel of the case shell, and divides the rectangular cavity into a front cavity and a rear cavity, and is used to transport the air in the front cavity to the rear cavity; the front vertical fan wall is located at the case shell, and is provided with a plurality of fan housings, wherein the fan housing comprises a plurality of fan housings, and a plurality of fan housings are ..., wherein the fan housing comprises a plurality of fan housing The inner side of the front plate of the case shell is used to suck external air into the front cavity of the case shell; the rear vertical fan wall is located on the outer side of the rear panel of the case shell, and is used to discharge the air in the rear cavity of the case shell to the outside of the case shell; the horizontal fan wall is located in the upper part of the front cavity of the rectangular cavity of the case shell, and is basically parallel to the bottom plate of the case shell; wherein the front vertical fan wall, the middle vertical fan wall and the rear vertical fan wall all drive air flow in the horizontal direction to dissipate heat, and the horizontal fan wall drives air flow in the vertical direction to dissipate heat.

[0006] Preferably, it also includes a server motherboard, which is located at the bottom of the front cavity of the rectangular cavity of the chassis shell, forming a horizontal heat dissipation tunnel between the horizontal fan wall, and the outlet of the horizontal heat dissipation tunnel is adapted to the middle vertical fan wall.

[0007] Preferably, it also includes multiple graphics card boards, which are located in the rear cavity of the rectangular cavity of the chassis shell and are arranged vertically. The vertical heat dissipation tunnel formed between adjacent graphics card boards is used for the flow of heat dissipation air between the middle vertical fan wall and the rear end vertical fan wall.

[0008] As a further limitation of the present invention, the middle vertical fan wall includes a fixing plate, a connecting plate and a vertical fan; there are two connecting plates, which are respectively installed on the inner surfaces of the two side plates of the chassis shell; the fixing plate is connected to the two connecting plates respectively, and a plurality of windows are arranged on the fixing plate along the length direction, and a card slot is arranged above the window, and a horizontal support plate is extended outward from the bottom end of the window; there are multiple vertical fans, and an elastic member is arranged at the upper end of each vertical fan, and blocks are respectively extended outward at both ends of the elastic member; wherein the lower end of the vertical fan abuts against the horizontal support plate of the fixing plate, and the card block on the elastic member is snap-fitted and connected with the card slot of the fixing plate, so as to install the vertical fan on the fixing plate.

[0009] Preferably, the ventilation holes arranged in an array on the upper portion of the front panel of the chassis shell are connected to the input end of the front vertical fan wall, and the output end of the front vertical fan wall corresponds to one side of the horizontal fan wall.

[0010] Preferably, the horizontal fan wall includes a supporting cross bar and a frame; there are two supporting cross bars, and the two ends of each supporting cross bar are respectively connected to the inner surfaces of the two side panels of the server chassis, and the two supporting cross bars are located in the same horizontal plane and are arranged parallel to each other; the frame is located between the two supporting cross bars, and includes a top frame and a side frame, and a plurality of horizontal fans are arranged in the top frame, and the side frame is located on the lower surface of the top frame and is used to accommodate the GPU module, and the two ends of the top frame extend outwardly respectively and extend out of the lower ends of the wing plates on the outsides of the two ends of the side frame, and elastic fixings are respectively provided; wherein the elastic fixings at the lower ends of the wing plates of the top frame of the frame are respectively snap-fitted and connected with the supporting cross bars, so as to fix the frame on the supporting cross bars in the server chassis.

[0011] As a further limitation of the present invention, a plurality of power supply units are arranged at the bottom of the rear cavity of the rectangular cavity of the chassis shell, and each power supply unit is provided with a power supply fan, which is used for heat dissipation of the power supply unit.

[0012] Preferably, the upper ends of the front vertical fan wall, the horizontal fan wall and the middle vertical fan wall are substantially located on the same horizontal plane.

[0013] Preferably, the lower ends of the middle vertical fan wall and the rear vertical fan wall are substantially located on the same horizontal plane.

[0014] As a further limitation of the present invention, the front vertical fan wall, the middle vertical fan wall, the rear vertical fan wall and the horizontal fan wall constitute a 3D heat dissipation system of the server chassis.

[0015] The fan wall heat dissipation system for a server chassis implemented in the present invention has the following beneficial technical effects:

[0016] The 3D cooling system consists of the front vertical fan wall, the middle vertical fan wall, the rear vertical fan wall and the horizontal fan wall. It provides all-round three-dimensional air circulation and heat dissipation. The wind intensity is adjusted and controlled by the intelligent drive module, and the heat exchange inside and outside the chassis is fast, with good heat dissipation effect and high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 This is one of the structural schematic diagrams of an embodiment of a fan wall heat dissipation system for a server chassis of the present invention;

[0019] Figure 2 This is a second structural schematic diagram of an embodiment of a fan wall heat dissipation system for a server chassis of the present invention;

[0020] Figure 3 This is a third structural schematic diagram of an embodiment of a fan wall heat dissipation system for a server chassis of the present invention;

[0021] Figure 4 2 is a schematic structural diagram of a middle vertical fan wall of an embodiment of a fan wall heat dissipation system for a server chassis of the present invention;

[0022] Figure 5 It is a schematic structural diagram of a middle vertical fan wall portion of an embodiment of a fan wall heat dissipation system for a server chassis of the present invention;

[0023] Figure 6 It is a structural schematic diagram of a vertical fan and an elastic member of a middle vertical fan wall of an embodiment of a fan wall heat dissipation system for a server chassis of the present invention;

[0024] Figure 7 yes Figure 6 Enlarged view of part A in the middle;

[0025] Figure 8 It is a schematic diagram of the front vertical fan wall structure of an embodiment of a fan wall heat dissipation system for a server chassis of the present invention;

[0026] Fig. 9 It is a schematic diagram of the installation structure of a horizontal fan wall of an embodiment of a fan wall heat dissipation system for a server chassis of the present invention;

[0027] Fig.10 It is a structural schematic diagram of a frame of a horizontal fan wall of an embodiment of a fan wall heat dissipation system for a server chassis of the present invention.

[0028] Figure symbols: chassis shell 1; front panel 11; rear panel 12; bottom plate 13; cover plate 14; side plate 15; ventilation hole 16; front cavity 1a; rear cavity 1b; middle vertical fan wall 2; fixing plate 21; window 21a; slot 21b; horizontal support plate 21c; connecting piece 22; vertical fan 23; elastic member 24; block 241; front vertical fan wall 3; rear vertical fan wall 4; horizontal fan wall 5; supporting cross bar 51; frame 52; top frame 521; frame 522; wing plate 523; horizontal fan 53; elastic fixing member 54; server motherboard 6; horizontal heat dissipation tunnel 7; graphics card board 8; vertical heat dissipation tunnel 9; power supply unit 10. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example

[0031] See also Figure 1 , Figure 2 and Figure 3 A fan wall cooling system for a server chassis comprises: a chassis shell 1, a middle vertical fan wall 2, a front vertical fan wall 3, a rear vertical fan wall 4 and a horizontal fan wall 5. Among them, the chassis shell 1 includes a rectangular cavity formed by a front panel 11, a rear panel 12, a bottom plate 13, a cover plate 14 and two side plates 15, which is used to accommodate the server functional module; the middle vertical fan wall 2 is located in the rectangular cavity of the chassis shell 1, and the middle vertical fan wall 2 is basically parallel to the front panel 11 and the rear panel 12 of the chassis shell 1, and divides the rectangular cavity into a front cavity 1a and a rear cavity 1b. When the middle vertical fan wall 2 is working, the air in the front cavity 1a can be transported to the rear cavity 1b; the front vertical fan wall 3 is on the inner side of the front panel 11 of the chassis shell 1, and is used to inhale external air into the front cavity 1a of the chassis shell 1; the rear vertical fan wall 4 is located on the outer side of the rear panel 12 of the chassis shell 1, and is used to discharge the air in the rear cavity 1b of the chassis shell 1 to the outside of the chassis shell 1; the horizontal fan wall 5 is located on the upper part of the front cavity 1a of the rectangular cavity of the chassis shell 1, and is basically parallel to the bottom plate 13 of the chassis shell 1. When in use, the front vertical fan wall 3, the middle vertical fan wall 2 and the rear vertical fan wall 4 all drive air flow for heat dissipation along the horizontal direction X1-X2, and the horizontal fan wall 5 drives air flow for heat dissipation along the vertical direction Y1-Y2.

[0032] The server motherboard 6 is located at the bottom of the front cavity 1a of the rectangular cavity of the chassis shell 1. A horizontal heat dissipation tunnel 7 is formed between the server motherboard 6 and the horizontal fan wall 5. The outlet of the horizontal heat dissipation tunnel 7 faces the middle vertical fan wall 2. The graphics card board 8 of the server is located in the rear cavity 1b of the rectangular cavity of the chassis shell 1. There are multiple graphics card boards 8, which are vertically plugged into the bottom plate 13 of the rear cavity 1b of the chassis shell 1. The vertical heat dissipation tunnel 9 formed between adjacent graphics card boards 8 is used for the flow of heat dissipation air between the middle vertical fan wall 2 and the rear vertical fan wall 4.

[0033] A plurality of power supply units 10 are arranged at the bottom of the rear cavity 1 b of the rectangular cavity of the chassis housing 1 . A power supply fan is arranged on each power supply unit 10 , and the power supply fan is used for heat dissipation of the power supply unit 10 .

[0034] The upper ends of the front vertical fan wall 3, the horizontal fan wall 5 and the middle vertical fan wall 2 are basically flush, that is, on the same horizontal plane; the lower ends of the middle vertical fan wall 2 and the rear vertical fan wall 4 are basically flush, that is, located on the same horizontal plane.

[0035] In this embodiment, the front vertical fan wall 3, the middle vertical fan wall 2, the rear vertical fan wall 4 and the horizontal fan wall 5 constitute a 3D heat dissipation system of the server chassis, a three-dimensional heat dissipation method with high heat dissipation efficiency.

[0036] like Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, the middle vertical fan wall 2 is located in the middle of the chassis shell, dividing the rectangular cavity of the chassis shell 1 into a front cavity 1a and a rear cavity 1b, and the middle vertical fan wall 2 includes a fixing plate 21, a connecting piece 22 and a vertical fan 23; there are two connecting pieces 22, which are respectively installed on the inner surfaces of the two side plates 15 of the chassis shell 1, and the fixing plate 21 is connected to the two connecting pieces 22 respectively. On the fixing plate 21, a plurality of windows 21a are arranged along the length direction, preferably 4, and a card slot 21b is arranged above each window 21a, and a horizontal support plate 21c is extended outward at the bottom end of the window 21a; there are 4 vertical fans 23, and an elastic member 24 is arranged on the upper end of each vertical fan 23, and a card block 241 is extended outward at both ends of the elastic member 24. When assembling the vertical fan 23, the lower end of the vertical fan 23 is abutted against the upper surface of the horizontal support plate 21c of the fixed plate 21, and the block 241 on the elastic member 24 is engaged with the slot 21b of the fixed plate 21 to fix the vertical fan 23 on the fixed plate 21.

[0037] like Figure 1 , Figure 2 and Figure 8 As shown, the ventilation holes 16 arranged in an array on the upper part of the front panel 11 of the chassis shell 1 are connected to the input end of the front vertical fan wall 3, and the output end of the front vertical fan wall 3 corresponds to one side of the horizontal fan wall 5.

[0038] like Fig. 9 and Fig.10As shown, the horizontal fan wall 5 includes a supporting cross bar 51 and a frame 52; there are two supporting cross bars 51, and the two ends of each supporting cross bar 52 are respectively connected to the inner surfaces of the two side panels 15 of the server chassis 1, and the two supporting cross bars 51 are located in the same horizontal plane and are arranged parallel to each other; the frame 52 is located between the two supporting cross bars 51, and includes a top frame 521 and a side frame 522. A plurality of horizontal fans 53 are arranged in the top frame 521. When the horizontal fans 53 are working, the air is driven to flow downward along the vertical direction Y1-Y2. The frame 522 is located on the lower surface of the top frame 521 and is used to accommodate the GPU module. The two ends of the top frame 521 extend outward respectively, and the lower ends of the wing panels 523 extending outward from the two ends of the frame 522 are respectively provided with elastic fixing members 54; wherein, the elastic fixing members 54 at the lower ends of the wing panels 523 of the top frame 521 of the frame body 52 are respectively engaged with the supporting cross bars 51, so as to fix the frame body 52 on the supporting cross bars 51 in the server chassis 1.

[0039] In the fan wall heat dissipation system of this embodiment, the front vertical fan wall 3, the middle vertical fan wall 2, the horizontal fan wall 5 and the rear vertical fan wall 4 adopt a modular assembly method, and the speed of the fan can be dynamically adjusted through the intelligent drive module. Therefore, the heat generated by the functional modules inside the chassis shell 1 can be quickly exported to the outside of the chassis through a three-dimensional heat dissipation method to achieve a sufficient heat dissipation effect. Each group of fan walls supports fan redundant configuration. Even if an individual fan fails, the remaining fans can still maintain sufficient heat dissipation capacity to ensure uninterrupted operation of the server, achieve efficient heat dissipation, and effectively prevent overheating.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fan wall cooling system for a server chassis, characterized in that: include: The chassis shell includes a rectangular cavity formed by a front panel, a rear panel, a bottom panel, a cover panel and two side panels, and is used to accommodate the server function module; a middle vertical fan wall, which is substantially parallel to the front panel and the rear panel of the chassis shell, and divides the rectangular cavity into a front cavity and a rear cavity, and is used to transport the air in the front cavity to the rear cavity; A front vertical fan wall is located on the inner side of the front plate of the chassis shell and is used to draw external air into the front cavity of the chassis shell; A rear vertical fan wall is located outside the rear panel of the chassis shell and is used to discharge the air in the rear cavity of the chassis shell to the outside of the chassis shell; a horizontal fan wall, located at an upper portion of a front cavity of the rectangular cavity of the chassis shell and substantially parallel to a bottom plate of the chassis shell; The front vertical fan wall, the middle vertical fan wall and the rear vertical fan wall all drive air flow in a horizontal direction to dissipate heat, and the horizontal fan wall drives air flow in a vertical direction to dissipate heat.

2. The fan wall cooling system according to claim 1, characterized in that: It also includes a server mainboard, which is located at the bottom of the front cavity of the rectangular cavity of the chassis shell, and forms a horizontal heat dissipation tunnel between the server mainboard and the horizontal fan wall, and the outlet of the horizontal heat dissipation tunnel is adapted to the middle vertical fan wall.

3. The fan wall cooling system according to claim 2, characterized in that: It also includes multiple graphics card boards, which are located in the rear cavity of the rectangular cavity of the chassis shell and are arranged vertically. The vertical heat dissipation tunnel formed between adjacent graphics card boards is used for the flow of heat dissipation air between the middle vertical fan wall and the rear end vertical fan wall.

4. The fan wall cooling system according to claim 3, characterized in that: The middle vertical fan wall includes a fixing plate, a connecting piece and a vertical fan; There are two connecting pieces, which are respectively installed on the inner surfaces of the two side plates of the chassis shell; The fixing plate is connected to two connecting pieces respectively. A plurality of windows are arranged on the fixing plate along the length direction. A card slot is arranged above the window. A horizontal support plate is extended outward from the bottom of the window. There are multiple vertical fans, each of which has an elastic member at the upper end, and two ends of the elastic member are respectively provided with a clamping block extending outwards; The lower end of the vertical fan is in contact with the horizontal support plate of the fixed plate, and the clamping block on the elastic member is buckled and connected with the clamping groove of the fixed plate, so as to install the vertical fan on the fixed plate.

5. The fan wall cooling system according to claim 4, characterized in that: The upper part of the front panel of the chassis shell has ventilation holes arranged in an array, which are connected to the input end of the front vertical fan wall, and the output end of the front vertical fan wall corresponds to one side of the horizontal fan wall.

6. The fan wall heat dissipation system according to claim 5, characterized in that: The horizontal fan wall includes a supporting crossbar and a frame; Two supporting cross bars, each of which has two ends connected to the inner surfaces of the two side panels of the server chassis, and the two supporting cross bars are located in the same horizontal plane and are arranged parallel to each other; The frame is located between the two supporting cross bars and includes a top frame and a frame. The top frame is provided with a plurality of horizontal fans. The frame is located on the lower surface of the top frame and is used to accommodate the GPU module. Both ends of the top frame extend outwards and extend out of the lower ends of the wing plates on the outer sides of both ends of the frame, and elastic fixing members are respectively provided. The elastic fixing members at the lower ends of the wing plates of the top frame of the frame are respectively buckled and connected with the supporting cross bars, so as to fix the frame on the supporting cross bars in the server chassis.

7. The fan wall cooling system according to claim 6, characterized in that: A plurality of power supply units are arranged at the bottom of the rear cavity of the rectangular cavity of the chassis shell, and a power supply fan is arranged on each power supply unit, and the power supply fan is used for heat dissipation of the power supply unit.

8. The fan wall cooling system according to claim 7, characterized in that: The upper ends of the front vertical fan wall, the horizontal fan wall and the middle vertical fan wall are basically located on the same horizontal plane.

9. The fan wall cooling system according to claim 8, characterized in that: The lower ends of the middle vertical fan wall and the rear vertical fan wall are substantially located on the same horizontal plane.

10. The fan wall heat dissipation system according to claim 9, characterized in that: The front vertical fan wall, the middle vertical fan wall, the rear vertical fan wall and the horizontal fan wall constitute a 3D heat dissipation system of the server chassis.

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