Computer case with circulating heat dissipation function

Abstract

The present invention discloses a computer case with a circulating heat dissipation function. The present invention relates to the technical field of cases, comprising a case body, a case door being rotatably mounted on the outer surface of the case body, a rear cover being fixedly mounted on the side of the case body away from the case door, handles being fixedly mounted on both sides of the top of the case body, legs being fixedly mounted at the four corners of the bottom of the case body, a circulating heat dissipation mechanism being mounted in the inner cavity of the case body, and a mounting frame being fixedly mounted inside the circulating heat dissipation mechanism. The computer case with a circulating heat dissipation function isolates the external cold air duct from the internal hot air duct through the circulating heat dissipation mechanism, thereby avoiding mixing of cold and hot air, ensuring that cold air can efficiently cool computer hardware components, and hot air can be quickly discharged, thereby greatly improving heat dissipation efficiency, providing a suitable temperature environment for stable operation of computer hardware, and extending the service life of the hardware.

Description

Technical Field

[0001] The present invention relates to the technical field of computer chassis, in particular to a computer chassis with a circulating heat dissipation function. Background Art

[0002] As computer technology continues to develop, computer performance continues to improve, and hardware generates a lot of heat when running. Traditional computer chassis cooling systems have many drawbacks, which seriously restrict the stable operation and service life of the computer.

[0003] Traditional computer cases mostly use a simple direct fan cooling method, which makes it easy for cold and hot air to mix, resulting in heat not being discharged quickly. The hardware is in a high-temperature environment for a long time, and its performance is significantly reduced. For example, when running large software or performing multi-tasking, the computer is prone to lag and freezes. At the same time, the internal space layout of traditional cases is messy, and there is no effective distinction between cold air ducts and hot air ducts. The air flow path is chaotic, which not only cannot dissipate heat efficiently, but may also cause local overheating and accelerate hardware aging. Summary of the Invention

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: A computer case with a circulating heat dissipation function, comprising:

[0005] A box body, wherein a box door is rotatably mounted on the outer surface of the box body, a rear cover is fixedly mounted on a side of the box body away from the box door, handles are fixedly mounted on both sides of the top of the box body, and supporting feet are fixedly mounted at the four corners of the bottom of the box body;

[0006] A circulating heat dissipation mechanism is installed in the inner cavity of the box body, and the circulating heat dissipation mechanism isolates the external cold air duct from the internal hot air duct to improve the heat dissipation efficiency. A mounting frame is fixedly installed inside the circulating heat dissipation mechanism, and the mounting frame is used to install internal computer hardware components;

[0007] The circulating heat dissipation mechanism includes a U-shaped partition, which is used to form an air channel with the box body. An opening is provided at the corner of one side of the top of the U-shaped partition. A connecting plate is fixedly installed at the opening of the U-shaped partition. The connecting plate is fixedly installed on the inner wall of the box body. The connecting plate is used to fix the U-shaped partition. The outer surface of the U-shaped partition is fixedly installed with a U-shaped spacer. There are two U-shaped spacers. The U-shaped spacers are made of heat-insulating material and are used to separate the hot and cold channels. The top of the U-shaped partition is fixed with a U-shaped spacer. A hot air guide is installed in the middle of the part, and the hot air guide is used to introduce the hot air generated by the chassis into the hot air duct. Air intake fans are installed on both sides of the top of the U-shaped partition, and the air intake fans are used to introduce the cold air in the cold air duct into the inside of the U-shaped partition to cool the computer hardware components installed on the mounting rack. An air regulating member is installed on the surface of the U-shaped partition, and the air regulating member is arranged on both sides of the U-shaped partition. The air regulating member can automatically adjust the width of the air inlet duct according to the wind speed in the cold air duct. The greater the wind speed, the wider the duct.

[0008] Preferably, a chamber is formed between the U-shaped partition and the inner wall of the box, and the two U-shaped partitions divide the chamber into two side chambers and a middle chamber. The side chamber is a cold air duct, and the middle chamber is a hot air duct. The hot air guide is arranged in the middle chamber, and the air inlet fan and the air regulating member are both arranged in the side chamber.

[0009] Preferably, an air outlet fan is fixedly installed on one side of the box body, and the air outlet fan is arranged below the connecting plate. The air outlet fan is arranged inside the middle cavity surrounded by the U-shaped partition and the box body. The air outlet fan is used to suck out the hot air in the box body to improve the heat dissipation efficiency.

[0010] Preferably, two sides of the box body are respectively provided with heat hole one and heat hole two, and the heat hole one is arranged below the outlet fan, and the heat hole three is arranged in the middle of the top of the box body, and the heat hole one, heat hole two and heat hole three are all arranged on the outside of the middle cavity surrounded by the U-shaped partition and the box body, and two sides of the box body are respectively fixedly installed with heat plate one and heat plate two, and the heat plate one and heat plate two are respectively arranged on the outside of heat hole one and heat hole two, and the heat plate three is fixedly installed on the top of the box body, and the heat plate three is arranged directly above the heat hole three, and the surfaces of the heat plate one, heat plate two and heat plate three are all fixedly installed with heat fins for absorbing heat generated in heat hole one, heat hole two and heat hole three, thereby accelerating the heat dissipation speed.

[0011] Preferably, an air inlet is opened on one side of the box body, and the air inlet is arranged on both sides of the heat dissipation hole 1, and the heat dissipation hole 1 is arranged on the outside of the side chamber surrounded by the U-shaped partition and the box body, and the air inlet is used to introduce cold air from the outside.

[0012] Preferably, an arc-shaped air guide vane group is fixedly installed on both sides of the bottom of the inner cavity of the box. The arc-shaped air guide vane group consists of two arc-shaped air guide vanes. The wider opening of the arc-shaped air guide vane group faces the air inlet. The arc-shaped air guide vane group is used to guide the flow of external cold air so that it can smoothly enter the air inlet fan, thereby improving the utilization efficiency of the cold air.

[0013] Preferably, the hot air guide includes an air inlet pipe and an air outlet pipe, the air inlet pipe is fixedly installed on the inner side of the U-shaped partition, and the air outlet pipe is fixedly installed on the top of the U-shaped partition. The air inlet pipe is connected to the air outlet pipe, and the internal hot air enters the air inlet pipe under the action of the air outlet fan and flows out of the air outlet pipe into the hot air duct.

[0014] Preferably, a fixed rotating frame 1 is fixedly installed at the bottom of the air inlet duct, and a fixed rotating frame 2 is fixedly installed at the top of the air outlet duct. A rotating rod is rotatably installed between the fixed rotating frame 1 and the fixed rotating frame 2, and a spiral blade is fixedly installed on the outer surface of the rotating rod. When hot air flows through the spiral blade, the spiral blade rotates on the surface of the fixed rotating frame 2.

[0015] Preferably, the air regulating member includes a fixing rod, which is fixedly mounted on the surface of the U-shaped spacer, a rotating sleeve is rotatably mounted on the outer surface of the fixing rod, a wind shield is fixedly mounted on the outer surface of the rotating sleeve, a return spring is fixedly mounted on the inner curved surface of the wind shield, the other end of the return spring is fixedly connected to a fixing plate, and the fixing plate is fixedly mounted on the inner wall of the box body, when cold air flows through the wind shield, the wind shield rotates on the surface of the fixing rod through the rotating sleeve, and the width of the air duct is adjusted by the rotation of the wind shield.

[0016] Preferably, a rotating hole is provided on the outer surface of the rotating sleeve, a limit plate is fixedly installed on the outer surface of the fixing rod, the limit plate is slidably installed inside the rotating hole, the limit plate is squeezed and adapted to the outer curved surface of the wind shield, and the limit plate is arranged below the wind shield to prevent the wind shield from rotating excessively and blocking the air duct.

[0017] The present invention provides a computer case with a circulating heat dissipation function, which has the following beneficial effects:

[0018] 1. This computer case with a recirculating heat dissipation function utilizes a U-shaped partition and U-shaped spacers. The U-shaped partition and the inner wall of the case enclose a chamber, which is divided into two side chambers and a middle chamber by two U-shaped spacers, effectively separating the flow paths of hot and cold air. External cold air enters the cold air duct of the side chamber through the air inlet, while hot air flows through the hot air duct of the middle chamber and is sucked out by the exhaust fan. This design avoids the mixing of hot and cold air, ensuring that the cold air can efficiently cool the computer hardware components and that the hot air can be quickly discharged, greatly improving heat dissipation efficiency, providing a suitable temperature environment for the stable operation of the computer hardware, and extending the hardware's service life.

[0019] Second, this computer case with a recirculating heat dissipation function utilizes intake and exhaust fans. The intake fans are mounted on either side of the top of the U-shaped partition, directing cool air from the cold air duct into the interior of the U-shaped partition to cool the hardware components on the mounting rack. The exhaust fans are fixed to the middle chamber below the connecting plate on one side of the case, drawing out hot air. This configuration creates a forced convection air circulation within the case, accelerating the flow of air within the case. Cool air is continuously drawn in and hot air is quickly exhausted, enhancing the heat dissipation effect, effectively reducing the temperature within the case, and ensuring stable performance even under high load.

[0020] 3. The computer case with a circulating heat dissipation function has a hot air guide. The internal hot air enters the air inlet duct under the action of the air outlet fan, drives the spiral blades to rotate on the second surface of the fixed rotating frame when flowing through the spiral blades, and then flows out of the air outlet duct into the hot air duct. The rotation of the spiral blades promotes the hot air, accelerating the flow speed of the hot air in the hot air guide, so that the hot air can enter the hot air duct and be discharged from the case more quickly, further improving the heat dissipation efficiency and reducing the accumulation of heat in the case.

[0021] Fourth, the computer case with a recyclable heat dissipation function has an air regulating member. When cold air flows through the air shield, the air shield rotates on the surface of the fixed rod through the rotating sleeve, and the width of the air inlet duct is automatically adjusted according to the wind speed of the cold air. The greater the wind speed, the wider the air duct. The rotating holes on the outer surface of the rotating sleeve cooperate with the limit plates on the outer surface of the fixed rod to prevent the air shield from excessive rotation, thereby realizing automatic adjustment of the air intake volume. When the computer hardware is under low load and heat generation is low, a smaller air intake volume can meet the heat dissipation demand, reducing fan energy consumption and noise. When the hardware is under high load and heat generation increases, the wind speed increases, and the air regulating member automatically increases the width of the air duct, increasing the air intake volume and enhancing the heat dissipation effect.

[0022] Fifth, this computer case with recirculating heat dissipation utilizes a heat sink, which dissipates heat through vents. The heat sink is located outside the vents, and its surface fins absorb this heat and dissipate it into the surrounding air. This significantly increases the heat dissipation area, accelerating the transfer of heat from the chassis to the outside. By utilizing the principle of heat transfer, heat within the chassis is quickly dissipated, assisting the overall cooling system and further reducing the internal temperature, ensuring optimal cooling conditions for the computer hardware. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a schematic diagram of the appearance of the present invention;

[0025] Figure 3 This is a schematic diagram of the internal structure of the box of the present invention;

[0026] Figure 4 It is a partial cross-sectional view of the present invention;

[0027] Figure 5 This is a schematic diagram of the box structure of the present invention;

[0028] Figure 6 This is a schematic diagram of the structure of the circulating heat dissipation mechanism of the present invention;

[0029] Figure 7 It is a partial cross-sectional view of the circulating heat dissipation mechanism of the present invention;

[0030] Figure 8 This is an enlarged schematic diagram of part A of the present invention;

[0031] Figure 9 This is a structural diagram of the air regulating component of the present invention.

[0032] In the figure: 1, box body; 2, circulating heat dissipation mechanism; 21, square-shaped partition; 22, square-shaped partition; 23, hot air guide; 231, air inlet pipe; 232, air outlet pipe; 233, fixed rotating frame 1; 234, fixed rotating frame 2; 235, rotating rod; 236, spiral blade; 24, air inlet fan; 25, air regulating member; 251, fixed rod; 252, rotating sleeve; 253, rotating hole; 254 , limit plate; 255, wind shield; 256, reset spring; 257, fixing plate; 26, connecting plate; 3, mounting bracket; 4, box door; 5, rear cover; 6, handle; 7, support foot; 8, air outlet fan; 9, air inlet; 10, heat sink one; 11, heat sink two; 12, heat sink three; 13, heat dissipation hole one; 14, heat dissipation hole two; 15, heat dissipation hole three; 16, arc-shaped air guide plate group. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0034] The first embodiment, as Figures 1 to 6 As shown, the present invention provides a technical solution: a computer case with a circulating heat dissipation function, comprising:

[0035] The box body 1 has a door 4 rotatably mounted on its outer surface, a rear cover 5 fixedly mounted on the side of the box body 1 away from the door 4, handles 6 fixedly mounted on both sides of the top of the box body 1, and supporting feet 7 fixedly mounted at the four corners of the bottom of the box body 1;

[0036] The circulating heat dissipation mechanism 2 is installed in the inner cavity of the box body 1. The circulating heat dissipation mechanism 2 isolates the external cold air duct from the internal hot air duct to improve the heat dissipation efficiency. The internal part of the circulating heat dissipation mechanism 2 is fixedly installed with a mounting frame 3, which is used to install internal computer hardware components;

[0037] The circulation heat dissipation mechanism 2 includes a square-shaped partition 21, which is used to form an air channel with the box body 1. An opening is provided at the corner of one side of the top of the square-shaped partition 21. A connecting plate 26 is fixedly installed at the opening of the square-shaped partition 21. The connecting plate 26 is fixedly installed on the inner wall of the box body 1. The connecting plate 26 is used to fix the square-shaped partition 21. A square-shaped spacer 22 is fixedly installed on the outer surface of the square-shaped partition 21. There are two square-shaped spacers 22. The square-shaped spacers 22 are made of heat-insulating material and are used to separate the hot and cold channels. The middle of the top of the square-shaped partition 21 is fixedly installed with a square-shaped spacer 22. A hot air guide 23 is installed between the chassis and the hot air guide 23 is used to guide the hot air generated by the chassis into the hot air duct. Air inlet fans 24 are installed on both sides of the top of the square-shaped partition 21. The air inlet fans 24 are used to guide the cold air in the cold air duct into the inside of the square-shaped partition 21 to cool the computer hardware components installed on the mounting rack 3. An air regulating member 25 is installed on the surface of the square-shaped partition 22. The air regulating member 25 is set on both sides of the square-shaped partition 21. The air regulating member 25 can automatically adjust the width of the air inlet duct according to the wind speed in the cold air duct. The greater the wind speed, the wider the duct.

[0038] The U-shaped partition 21 and the U-shaped spacer 22 prevent the mixing of cold and hot air, ensuring that the cold air can efficiently cool the computer hardware components and the hot air can be quickly discharged, greatly improving the heat dissipation efficiency.

[0039] The second embodiment, based on the first embodiment, see Figures 1 to 6 As shown, an air outlet fan 8 is fixedly installed on one side of the box body 1. The air outlet fan 8 is arranged below the connecting plate 26. The air outlet fan 8 is arranged inside the middle chamber surrounded by the square-shaped partition 21 and the box body 1. The air outlet fan 8 is used to suck out the hot air in the box body 1 to improve the heat dissipation efficiency.

[0040] A heat dissipation hole 13 and a heat dissipation hole 2 14 are respectively provided on both sides of the box body 1. The heat dissipation hole 13 is arranged below the air outlet fan 8. A heat dissipation hole 3 15 is provided in the middle of the top of the box body 1. The heat dissipation hole 13, the heat dissipation hole 2 14 and the heat dissipation hole 3 15 are all arranged on the outside of the middle chamber surrounded by the square-shaped partition 21 and the box body 1. A heat dissipation plate 10 and a heat dissipation plate 2 11 are respectively fixedly installed on both sides of the box body 1. The heat dissipation plate 10 and the heat dissipation plate 2 11 are respectively arranged on the outside of the heat dissipation hole 13 and the heat dissipation hole 2 14. A heat dissipation plate 3 12 is fixedly installed on the top of the box body 1. The heat dissipation plate 3 12 is arranged just above the heat dissipation hole 3 15. Heat dissipation fins are fixedly installed on the surfaces of the heat dissipation plates 10, 11 and 12 for absorbing the heat generated in the heat dissipation hole 13, the heat dissipation hole 2 14 and the heat dissipation hole 3 15, thereby further reducing the internal temperature of the chassis and ensuring that the computer hardware works under good heat dissipation conditions.

[0041] An air inlet 9 is provided on one side of the box body 1. The air inlet 9 is provided on both sides of the heat dissipation hole 13. The heat dissipation hole 13 is provided on the outside of the side chamber formed by the square-shaped partition 21 and the box body 1. The air inlet 9 is used to introduce cold air from the outside.

[0042] Arc-shaped air guide vane groups 16 are fixedly installed on both sides of the bottom of the inner cavity of the box body 1. The arc-shaped air guide vane group 16 consists of two arc-shaped air guide vanes. The wider opening of the arc-shaped air guide vane group 16 faces the air inlet hole 9. The arc-shaped air guide vane group 16 is used to guide the flow of external cold air so that it can smoothly enter the air inlet fan 24, thereby improving the utilization efficiency of the cold air.

[0043] The third embodiment, based on the first and second embodiments, see Figures 6 to 9 As shown, the hot air guide 23 includes an air inlet pipe 231 and an air outlet pipe 232. The air inlet pipe 231 is fixedly mounted on the inner side of the U-shaped partition 21, and the air outlet pipe 232 is fixedly mounted on the top of the U-shaped partition 21. The air inlet pipe 231 and the air outlet pipe 232 are connected. Under the action of the air outlet fan 8, the internal hot air enters the air inlet pipe 231 and flows out of the air outlet pipe 232 into the hot air duct.

[0044] A fixed rotating frame 1 233 is fixedly installed at the bottom of the air inlet pipe 231, and a fixed rotating frame 234 is fixedly installed at the top of the air outlet pipe 232. A rotating rod 235 is rotatably installed between the fixed rotating frame 1 233 and the fixed rotating frame 234. A spiral blade 236 is fixedly installed on the outer surface of the rotating rod 235. When hot air flows through the spiral blade 236, the spiral blade 236 rotates on the surface of the fixed rotating frame 234. When the spiral blade 236 rotates, it pushes the hot air, accelerating the flow speed of the hot air in the hot air guide 23, so that the hot air can enter the hot air duct more quickly and be discharged from the chassis, further improving the heat dissipation efficiency and reducing the accumulation of heat in the chassis.

[0045] The air regulating member 25 includes a fixed rod 251, which is fixedly installed on the surface of the U-shaped spacer 22. A rotating sleeve 252 is rotatably installed on the outer surface of the fixed rod 251, and a wind shield 255 is fixedly installed on the outer surface of the rotating sleeve 252. A return spring 256 is fixedly installed on the inner curved surface of the wind shield 255, and the other end of the return spring 256 is fixedly connected to a fixed plate 257. The fixed plate 257 is fixedly installed on the inner wall of the box body 1. When cold air flows through the wind shield 255, the wind shield 255 rotates on the surface of the fixed rod 251 through the rotating sleeve 252, and the width of the air duct is adjusted by the rotation of the wind shield 255.

[0046] A rotating hole 253 is provided on the outer surface of the rotating sleeve 252, and a limiting plate 254 is fixedly installed on the outer surface of the fixing rod 251. The limiting plate 254 is slidably installed inside the rotating hole 253. The limiting plate 254 is squeezed and adapted to the outer curved surface of the wind shield 255. The limiting plate 254 is arranged below the wind shield 255. The limiting plate 254 prevents the wind shield 255 from rotating excessively and blocking the air duct. When the computer hardware is under low load and the heat generation is small, a smaller air intake volume can meet the heat dissipation requirements, reducing fan energy consumption and noise. When the hardware is under high load and the heat generation increases, the wind speed increases, and the air regulating member 25 automatically increases the width of the air duct, increases the air intake volume, and enhances the heat dissipation effect.

[0047] When in use, the air inlet fan 24 is started to guide the cold air entering the cold air duct into the inner part of the U-shaped partition 21, and the outside cold air enters the chassis through the air inlet hole 9. The incoming cold air is guided by the arc-shaped air guide plate group 16 and flows smoothly to the air inlet fan 24 to cool the computer hardware components on the mounting rack 3;

[0048] The computer hardware components generate hot air when they are working. Under the suction force of the exhaust fan 8, the hot air enters the air inlet duct 231. The hot air flows through the spiral blades 236 at the bottom of the air inlet duct 231, driving the spiral blades 236 to rotate on the surface of the fixed rotating frame 234, thereby assisting the flow of hot air.

[0049] The hot air flows out of the air outlet pipe 232 and enters the hot air duct of the middle chamber;

[0050] During the hot air flow process, the cold air flows through the wind shield 255 of the air regulating member 25. The wind shield 255 rotates on the surface of the fixed rod 251 through the rotating sleeve 252, automatically adjusting the width of the air inlet duct according to the wind speed of the cold air. The rotating hole 253 on the outer surface of the rotating sleeve 252 cooperates with the limit plate 254 on the outer surface of the fixed rod 251 to prevent the wind shield 255 from rotating too much and blocking the air duct.

[0051] The hot air flows in the hot air duct in the middle chamber and is finally sucked out of the box body 1 through the air outlet fan 8. At the same time, the heat is dissipated through the heat dissipation hole 13, the heat dissipation hole 2 14 and the heat dissipation hole 3 15. The heat dissipation fins on the surface of the heat dissipation plate 10, the heat dissipation plate 2 11 and the heat dissipation plate 3 12 absorb the heat discharged from the heat dissipation holes, accelerate the heat dissipation speed, and complete the entire cycle heat dissipation process.

[0052] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

[0053] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A computer case with a circulating heat dissipation function, characterized in that: include: A box body (1), a box door (4) is rotatably mounted on the outer surface of the box body (1), a rear cover (5) is fixedly mounted on a side of the box body (1) away from the box door (4), handles (6) are fixedly mounted on both sides of the top of the box body (1), and supporting feet (7) are fixedly mounted at the four corners of the bottom of the box body (1); A circulating heat dissipation mechanism (2), the circulating heat dissipation mechanism (2) being installed in the inner cavity of the box (1), and a mounting frame (3) being fixedly installed inside the circulating heat dissipation mechanism (2); The circulating heat dissipation mechanism (2) comprises a U-shaped partition (21), an opening is provided at a corner of one side of the top of the U-shaped partition (21), a connecting plate (26) is fixedly installed at the opening of the U-shaped partition (21), and the connecting plate (26) is fixedly installed on the inner wall of the box body (1), and a U-shaped spacer (22) is fixedly installed on the outer surface of the U-shaped partition (21), and the number of the U-shaped spacers (22) is two. A hot air guide (23) is installed in the middle of the top of the U-shaped partition (21), air intake fans (24) are installed on both sides of the top of the U-shaped partition (21), and an air regulating member (25) is installed on the surface of the U-shaped spacer (22), and the air regulating member (25) is arranged on both sides of the U-shaped partition (21).

2. The computer case with a circulating heat dissipation function according to claim 1, characterized in that: A chamber is formed between the U-shaped partition plate (21) and the inner wall of the box body (1), and the two U-shaped partition plates (22) divide the chamber into two side chambers and a middle chamber.

3. The computer case with a circulating heat dissipation function according to claim 2, characterized in that: An air outlet fan (8) is fixedly mounted on one side of the box body (1), and the air outlet fan (8) is arranged below the connecting plate (26). The air outlet fan (8) is arranged inside the middle chamber enclosed by the U-shaped partition plate (21) and the box body (1).

4. The computer case with a circulating heat dissipation function according to claim 3, characterized in that: The box body (1) is provided with a heat dissipation hole 1 (13) and a heat dissipation hole 2 (14) on both sides, and the heat dissipation hole 1 (13) is arranged below the air outlet fan (8). The box body (1) is provided with a heat dissipation hole 3 (15) in the middle of the top, and the heat dissipation hole 1 (13), the heat dissipation hole 2 (14) and the heat dissipation hole 3 (15) are all arranged outside the middle chamber surrounded by the U-shaped partition (21) and the box body (1). The box body (1) is fixedly provided with a heat dissipation plate 1 (10) and a heat dissipation plate 2 (11), and the heat dissipation plate 1 (10) and the heat dissipation plate 2 (11) are respectively arranged outside the heat dissipation hole 1 (13) and the heat dissipation hole 2 (14). The box body (1) is fixedly provided with a heat dissipation plate 3 (12) on the top, and the heat dissipation plate 3 (12) is arranged directly above the heat dissipation hole 3 (15).

5. The computer case with a circulating heat dissipation function according to claim 4, characterized in that: An air inlet hole (9) is provided on one side of the box body (1), and the air inlet hole (9) is arranged on both sides of the heat dissipation hole 1 (13), and the heat dissipation hole 1 (13) is arranged on the outside of the side chamber surrounded by the U-shaped partition plate (21) and the box body (1).

6. The computer case with a circulating heat dissipation function according to claim 5, characterized in that: Arc-shaped air guide blade groups (16) are fixedly installed on both sides of the bottom of the inner cavity of the box body (1), and the arc-shaped air guide blade group (16) consists of two arc-shaped air guide blades. The wider opening of the arc-shaped air guide blade group (16) faces the air inlet hole (9).

7. The computer case with a circulating heat dissipation function according to claim 1, characterized in that: The hot air guide (23) comprises an air inlet pipe (231) and an air outlet pipe (232); the air inlet pipe (231) is fixedly mounted on the inner side of the U-shaped partition (21); the air outlet pipe (232) is fixedly mounted on the top of the U-shaped partition (21); and the air inlet pipe (231) is communicated with the air outlet pipe (232).

8. The computer case with a circulating heat dissipation function according to claim 7, characterized in that: A fixed rotating frame 1 (233) is fixedly installed at the bottom of the air inlet pipe (231), a fixed rotating frame 2 (234) is fixedly installed at the top of the air outlet pipe (232), a rotating rod (235) is rotatably installed between the fixed rotating frame 1 (233) and the fixed rotating frame 2 (234), and a spiral blade (236) is fixedly installed on the outer surface of the rotating rod (235).

9. The computer case with a circulating heat dissipation function according to claim 1, characterized in that: The air regulating member (25) comprises a fixing rod (251), the fixing rod (251) being fixedly mounted on the surface of the U-shaped spacer (22), a rotating sleeve (252) being rotatably mounted on the outer surface of the fixing rod (251), a wind shield (255) being fixedly mounted on the outer surface of the rotating sleeve (252), a return spring (256) being fixedly mounted on the inner curved surface of the wind shield (255), the other end of the return spring (256) being fixedly connected to a fixing plate (257), and the fixing plate (257) being fixedly mounted on the inner wall of the box body (1).

10. The computer case with a circulating heat dissipation function according to claim 9, characterized in that: A rotation hole (253) is provided on the outer surface of the rotating sleeve (252), a limit plate (254) is fixedly mounted on the outer surface of the fixing rod (251), the limit plate (254) is slidably mounted inside the rotation hole (253), the limit plate (254) is extruded and adapted to the outer curved surface of the windshield (255), and the limit plate (254) is arranged below the windshield (255).

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