A computer chassis with multiple heat dissipation mechanisms and its heat dissipation method

Abstract

The present invention discloses a computer chassis with a multiple heat dissipation mechanism, belonging to the technical field of heat dissipation devices. The computer chassis with a multiple heat dissipation mechanism includes a main chassis frame and a sub-chassis frame. The sub-chassis frame is slidably connected to the main chassis frame. A dust-proof plate is rotatably connected to the top of the main chassis frame. An air intake box is fixedly connected to the bottom of the main chassis frame, and a cleaning mechanism is arranged in the air intake box. The present invention can have multiple heat dissipation methods. It can maximally prevent dust from entering the interior of the chassis in the low-power heat dissipation state, and not only can greatly improve the heat dissipation efficiency in the high-power heat dissipation state, but also can clean the ventilation channel of the computer, effectively preventing dust accumulation in the chassis, ensuring the heat dissipation efficiency and guaranteeing the safe operation of the computer.

Description

Technical Field

[0001] The present invention belongs to the technical field of heat dissipation devices, and particularly relates to a computer chassis with a multiple heat dissipation mechanism and a heat dissipation method thereof. Background Art

[0002] Heat dissipation inside a computer chassis is not only a technical requirement but also the basis for ensuring the healthy operation of the entire system. When electronic components work at high temperatures, they will age faster and the failure rate will increase. Good heat dissipation can keep the hardware within a safe operating temperature range and extend its service life. When the temperature is too high, core components such as the CPU and GPU may automatically reduce their frequencies to prevent damage. This will lead to a performance decline and may even cause the system to crash or freeze. Effective heat dissipation can help maintain a stable operating frequency and ensure the reliable operation of the system. The importance of computer chassis heat dissipation cannot be ignored, as it directly affects the stability, performance, lifespan, and user experience of the computer system.

[0003] Traditional computer chassis heat dissipation commonly uses air cooling and water cooling. Whether it is air cooling or water cooling, cold air needs to be inhaled or hot air needs to be exhausted from the chassis fan to maintain the air flow circulation inside the chassis. To improve the heat dissipation efficiency of the chassis, it is essential to increase the ventilation area and ventilation volume inside the chassis. However, an overly large ventilation area will accelerate the accumulation of dust inside the chassis. The accumulation of dust will not only block the heat dissipation channels, hinder air circulation, and reduce the heat dissipation efficiency of the chassis, but may also enter the gaps of electronic components such as the motherboard and graphics card, causing short circuits in the microcircuits on the circuit board or hardware failures of other hardware. Therefore, a computer chassis that can both ensure heat dissipation efficiency and prevent dust accumulation is needed. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the above-mentioned disadvantages of the prior art and provide a computer chassis with a multiple heat dissipation mechanism and a heat dissipation method thereof. The present invention can maximize the prevention of dust from entering the interior of the chassis in the low-power heat dissipation state, and can increase the chassis volume, enlarge the heat dissipation space of the chassis, increase the ventilation area, greatly improve the heat dissipation efficiency, and can also clean the ventilation channels of the computer, effectively prevent the accumulation of dust inside the chassis, ensure the heat dissipation efficiency, and guarantee the safe operation of the computer.

[0005] The technical solution adopted to solve the above technical problem is: A computer chassis with a multiple heat dissipation mechanism, including a main chassis frame and a secondary chassis frame. The secondary chassis frame is slidably connected to the main chassis frame. A dust-proof plate is rotatably connected to the top of the main chassis frame. An air intake box is fixedly connected to the bottom of the main chassis frame, and a cleaning mechanism is arranged inside the air intake box;

[0006] The main chassis frame is provided with a front side wall and a rear side wall, and a first heat dissipation fan is arranged on the rear side wall;

[0007] The auxiliary frame is provided with a left side wall and a right side wall. A front dust baffle is arranged at the front side of the auxiliary frame, and a rear dust baffle is arranged at the rear side of the auxiliary frame. The rear dust baffle can block the first heat dissipation fan.

[0008] A plurality of electric push rods are symmetrically and fixedly connected to the bottom of the auxiliary frame. The electric push rods can drive the auxiliary frame to lift and lower.

[0009] The lifting and lowering of the auxiliary frame can drive the cleaning mechanism.

[0010] Through the above technical solution, when the computer has a low heat dissipation requirement, cold air enters the computer case from the bottom of the air intake box, and then hot air is discharged through the first heat dissipation fan, which can ensure the normal heat dissipation requirement of the computer. Moreover, the rear dust baffle blocks dust from entering the computer case through the first heat dissipation fan, and the auxiliary frame blocks dust from entering the computer case from the side of the air intake box, minimizing the dust entering the computer case and effectively ensuring the safe operation of the computer. When the computer has a high heat dissipation requirement, the auxiliary frame rises, increasing the volume of the computer case, which can effectively improve the heat dissipation efficiency of the computer. When the auxiliary frame rises, the rear dust baffle completely exposes the first heat dissipation fan and simultaneously exposes the side of the air intake box, increasing the air intake and exhaust volume of the computer case and enhancing the air circulation inside the computer case, effectively improving the heat dissipation effect. At the same time, the lifting and lowering of the auxiliary frame drive the cleaning mechanism, which can drive the cleaning mechanism to clean the air intake box, reducing the dust entering the computer case from the air intake box and effectively ensuring the heat dissipation performance of the computer case and the stable operation of the computer.

[0011] Preferably, the first heat dissipation fan is fixedly arranged inside the computer case, and a filter screen is arranged at the rear side wall corresponding to the first heat dissipation fan.

[0012] Through the above technical solution, due to the setting of the filter screen and the rear dust baffle blocking the first heat dissipation fan, dust can be effectively blocked from entering the computer case through the first heat dissipation fan.

[0013] Preferably, a plurality of ventilation holes are equidistantly arranged on the rear dust baffle, and a plurality of scrapers are fixedly arranged equidistantly on the front side of the rear dust baffle. The scrapers are arranged staggered with the ventilation holes.

[0014] Through the above technical solution, since a plurality of ventilation holes are equidistantly arranged on the rear dust baffle, a plurality of scrapers are fixedly arranged equidistantly on the front side of the rear dust baffle, and the scrapers are arranged staggered with the ventilation holes, when the rear dust baffle blocks the first heat dissipation fan, the hot air discharged by the first heat dissipation fan can be discharged through the ventilation holes. When the rear dust baffle rises and falls with the auxiliary frame, the scrapers can scrape and clean the filter screen, effectively preventing dust from depositing on the filter screen and hindering the exhaust efficiency of the first heat dissipation fan.

[0015] Preferably, a second cooling fan is fixedly connected to the top of the auxiliary chassis. There is a gap between the second cooling fan and the dust shielding plate, and when the auxiliary chassis rises, it can push open the dust shielding plate.

[0016] Through the above technical solution, since a second cooling fan is fixedly connected to the top of the auxiliary chassis, there is a gap between the second cooling fan and the dust shielding plate, and when the auxiliary chassis rises, it can push open the dust shielding plate, so that the hot air inside the chassis can not only be discharged from the chassis through the first cooling fan, but also be discharged from the chassis through the second cooling fan. Under normal conditions, the hot air discharged by the second cooling fan is discharged through the gap between the second cooling fan and the dust shielding plate, and the dust shielding plate can effectively prevent dust from entering the chassis through the second cooling fan. After the auxiliary chassis rises, the dust shielding plate opens, which can effectively increase the air exhaust volume of the second cooling fan.

[0017] Preferably, ventilation holes are symmetrically arranged at the bottom and side surfaces of the air intake box. An air intake fan is fixedly connected to the top of the air intake box, and a first support and a second support are fixedly connected in the middle of the air intake box.

[0018] Through the above technical solution, since ventilation holes are symmetrically arranged at the bottom and side surfaces of the air intake box, and an air intake fan is fixedly connected to the top of the air intake box, cold air can enter the chassis through the ventilation holes on the air intake box, and the air intake fan can suck the cold air into the chassis.

[0019] Preferably, the cleaning mechanism includes cleaning scrapers, threaded rods, a first transmission rod, a second transmission rod and a transmission chain. The two groups of cleaning scrapers are symmetrically and slidably connected in the air intake box. The threaded rod is rotatably connected to the first support, the first transmission rod is rotatably connected to the second support, a third support is fixedly connected to the top of the air intake fan, and the second transmission rod is rotatably connected to the third support.

[0020] Through the above technical solution, since the two groups of cleaning scrapers are symmetrically and slidably connected in the air intake box, when the cleaning scrapers slide in the air intake box, they can scrape and clean the ventilation holes at the bottom and side surfaces of the air intake box, effectively preventing dust from depositing on the air intake box and blocking the air intake channels on the air intake box, and ensuring the heat dissipation performance of the chassis.

[0021] Preferably, the threaded rod penetrates through the cleaning scraper, and the cleaning scraper is threadedly connected to the threaded rod. A first bevel gear is fixedly connected to the threaded rod. A second bevel gear is fixedly connected to one end of the first transmission rod. A first transmission wheel is fixedly connected to the other end of the first transmission rod. A second transmission wheel is fixedly connected to one end of the second transmission rod. A driven gear is fixedly connected to the other end of the second transmission rod. The first transmission wheel is connected to the second transmission wheel through a transmission chain. A driving rack is fixedly connected to the inner wall of the auxiliary chassis, and the driving rack meshes with the driven gear. The first bevel gear meshes with the second bevel gear.

[0022] Through the above technical solution, since the first bevel gear is fixedly connected to the threaded rod, the second bevel gear is fixedly connected to one end of the first transmission rod, the first transmission wheel is fixedly connected to the other end of the first transmission rod, the second transmission wheel is fixedly connected to one end of the second transmission rod, the driven gear is fixedly connected to the other end of the second transmission rod, the first transmission wheel is connected to the second transmission wheel through a transmission chain, the driving rack is fixedly connected to the inner wall of the auxiliary frame, the driving rack meshes with the driven gear, and the first bevel gear meshes with the second bevel gear, when the driving rack rises and falls with the auxiliary frame, the driven gear can be driven to rotate, the rotation of the driven gear can drive the second transmission rod to rotate, the rotation of the second transmission rod can drive the second transmission wheel to rotate, the rotation of the second transmission wheel can drive the first transmission wheel to rotate, the rotation of the first transmission wheel can drive the first transmission rod to rotate, the rotation of the first transmission rod can drive the second bevel gear to rotate, the rotation of the second bevel gear can drive the first bevel gear to rotate, the rotation of the first bevel gear can drive the threaded rod to rotate, and the rotation of the threaded rod can drive the cleaning scraper to slide horizontally in the air inlet box.

[0023] Preferably, a plurality of dust collection grooves are symmetrically arranged at the bottom of the air inlet box, and the auxiliary frame can block the ventilation holes on the side of the air inlet box.

[0024] Through the above technical solution, since a plurality of dust collection grooves are symmetrically arranged at the bottom of the air inlet box and the auxiliary frame can block the ventilation holes on the side of the air inlet box, when the cleaning scraper scrapes and cleans the air inlet box, the dust can be pushed into the dust collection grooves, and a dust cleaning hole is arranged on the side of the dust collection groove, and the dust can be sucked out through a dust suction device, so that the cleaning of the air inlet box can be completed without disassembling the computer case, effectively simplifying the cleaning operation difficulty;

[0025] When the auxiliary frame descends, it can block the ventilation holes on the side of the air inlet box, which can greatly reduce the dust entering the computer case through the air inlet box, effectively ensuring the stable operation of the computer. When the auxiliary frame rises, the side of the air inlet box is exposed, effectively increasing the air intake area of the air inlet box, increasing the air intake volume, and ensuring the improvement of the heat dissipation efficiency.

[0026] A computer case heat dissipation method includes the following steps:

[0027] Step 1: When the computer is in a low-intensity heat dissipation demand state such as just starting up, start the computer normally, and the intake fan, the first heat dissipation fan, and the second heat dissipation fan work at low power. The intake fan introduces cold air into the computer case through the ventilation holes at the bottom of the air inlet box, the first heat dissipation fan discharges the hot air through the ventilation holes on the rear dust baffle after passing through the filter screen, and the second heat dissipation fan discharges the hot air through the gap between the second heat dissipation fan and the dust shielding plate;

[0028] Step 2: When the computer is in a state of high heat dissipation demand, the intake fan, the first heat dissipation fan, and the second heat dissipation fan operate at high power. The electric push rod is activated to raise the auxiliary frame. The auxiliary frame pushes open the dust-proof plate at the top of the main frame. The rear dust-proof plate rises with the auxiliary frame to completely expose the filter screen. As the auxiliary frame rises, the ventilation holes on the side of the intake box are also completely exposed. At this time, the intake area of the intake box increases and the power of the intake fan increases, greatly increasing the intake air volume inside the chassis. Moreover, the air outlets of the first heat dissipation fan and the second heat dissipation fan are unobstructed, and the first heat dissipation fan and the second heat dissipation fan operate at high power, greatly increasing the exhaust air volume of the chassis, improving the heat dissipation efficiency of the computer, and effectively meeting the high heat dissipation demand of the computer.

[0029] Step 3: During the lifting and lowering process of the auxiliary frame, the scraper on the rear dust-proof plate can scrape and clean the filter screen. The driving rack for the lifting and lowering of the auxiliary frame can drive the cleaning scraper on the cleaning mechanism to slide horizontally inside the intake box to scrape and clean the intake box, effectively ensuring the smoothness of the intake and exhaust channels of the chassis, preventing dust from blocking the channels and affecting the heat dissipation efficiency. It can not only be cleaned during normal operation, but also the auxiliary frame can be repeatedly lifted and lowered multiple times regularly for key cleaning, eliminating the need for manual cleaning and simplifying the cleaning operation difficulty.

[0030] Step 4: The second heat dissipation fan at the top of the auxiliary frame is detachable, which not only facilitates the cleaning and maintenance of the second heat dissipation fan, but also allows the second heat dissipation fan to be replaced with a water-cooled heat dissipation fan, enabling the chassis to have multiple heat dissipation methods and improving the heat dissipation efficiency of the chassis.

[0031] The beneficial effects of the present invention are as follows:

[0032] (1) In the present invention, the rear dust-proof plate blocks the first heat dissipation fan, effectively preventing dust from entering the chassis from the first heat dissipation fan. The dust-proof plate can effectively prevent dust from entering the chassis from the second heat dissipation fan. When the auxiliary frame is in the lowered state, it can block the ventilation holes on the side of the intake box, significantly reducing the amount of dust entering the chassis through the intake box. Multiple measures are taken to block dust from entering the chassis, maximizing the safe operation of the computer and extending the service life of the computer.

[0033] (2) When the computer in the present invention is in a high heat dissipation demand state, the auxiliary frame rises, increasing the volume of the computer chassis and the heat dissipation space of the computer, effectively improving the heat dissipation efficiency of the computer. When the auxiliary frame rises, the auxiliary frame pushes open the dust-proof plate at the top of the main frame, completely exposing the second heat dissipation fan. The rear dust-proof plate rises with the auxiliary frame to completely expose the filter screen, that is, the first heat dissipation fan is completely exposed. As the auxiliary frame rises, the ventilation holes on the side of the intake box are also completely exposed, effectively increasing the intake and exhaust air volumes of the computer chassis, enhancing the air circulation inside the computer chassis, and effectively improving the heat dissipation effect.

[0034] (3) When the driving rack moves up and down with the auxiliary frame in the present invention, it can drive the driven gear to rotate, thereby driving the cleaning scraper to slide horizontally in the air inlet box. When the cleaning scraper slides in the air inlet box, it can scrape and clean the air holes at the bottom and side of the air inlet box. When the cleaning scraper scrapes and cleans the air inlet box, it can push the dust into the dust collecting groove, effectively preventing the dust from depositing on the air inlet box and blocking the air inlet channel on the air inlet box, and ensuring the heat dissipation performance of the computer case. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 is a schematic structural diagram of the first perspective when a computer case with a multiple heat dissipation mechanism of the present invention is contracted;

[0036] Figure 2 is a schematic structural diagram of the first perspective when a computer case with a multiple heat dissipation mechanism of the present invention is expanded;

[0037] Figure 3 is a schematic structural diagram of the second perspective when a computer case with a multiple heat dissipation mechanism of the present invention is contracted;

[0038] Figure 4 is a schematic structural diagram of the second perspective when a computer case with a multiple heat dissipation mechanism of the present invention is expanded;

[0039] Figure 5 is a schematic structural diagram of the first perspective of the internal structure of a computer case with a multiple heat dissipation mechanism of the present invention;

[0040] Figure 6 is a schematic structural diagram of the second perspective of the internal structure of a computer case with a multiple heat dissipation mechanism of the present invention;

[0041] Figure 7 is a schematic structural diagram of the first perspective of the auxiliary frame of a computer case with a multiple heat dissipation mechanism of the present invention;

[0042] Figure 8 is a schematic structural diagram of the second perspective of the auxiliary frame of a computer case with a multiple heat dissipation mechanism of the present invention;

[0043] Figure 9 is a schematic structural diagram of the internal structure of the auxiliary frame of a computer case with a multiple heat dissipation mechanism of the present invention;

[0044] Figure 10 is a schematic structural diagram of the main frame of a computer case with a multiple heat dissipation mechanism of the present invention;

[0045] Figure 11 is a schematic structural diagram of the cooperation between the air inlet box and the cleaning mechanism of a computer case with a multiple heat dissipation mechanism of the present invention;

[0046] Figure 12 It is a schematic internal structure diagram of the intake box of a computer case with multiple heat dissipation mechanisms of the present invention in cooperation with a cleaning mechanism;

[0047] Figure 13 It is a schematic structural diagram of the cleaning mechanism of a computer case with multiple heat dissipation mechanisms of the present invention;

[0048] Figure 14 It is an exploded structural diagram of the cleaning mechanism of a computer case with multiple heat dissipation mechanisms of the present invention;

[0049] Figure 15 It is a schematic internal structure diagram of the intake box of a computer case with multiple heat dissipation mechanisms of the present invention.

[0050] Reference numerals: 1, mainframe frame; 2, sub-frame; 3, dust-proof plate; 4, intake box; 5, cleaning mechanism; 11, first cooling fan; 111, filter screen; 21, electric push rod; 22, second cooling fan; 23, rear dust-proof plate; 24, front dust-proof plate; 25, driving rack; 231, ventilation hole; 232, scraper; 41, first bracket; 42, second bracket; 43, dust collection groove; 44, intake fan; 441, third bracket; 51, cleaning scraper; 52, threaded rod; 53, first transmission rod; 54, second transmission rod; 55, transmission chain; 521, first bevel gear; 531, second bevel gear; 532, first transmission wheel; 541, driven gear; 542, second transmission wheel. Detailed implementation manners

[0051] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0052] As Figure 1 - Figure 6 shown, a computer case with multiple heat dissipation mechanisms includes a mainframe frame 1 and a sub-frame 2. The sub-frame 2 is slidably connected to the mainframe frame 1. A dust-proof plate 3 is rotatably connected to the top of the mainframe frame 1. An intake box 4 is fixedly connected to the bottom of the mainframe frame 1. A cleaning mechanism 5 is arranged inside the intake box 4.

[0053] The mainframe frame 1 is provided with a front side wall and a rear side wall, and a first cooling fan 11 is arranged on the rear side wall.

[0054] The sub-frame 2 is provided with a left side wall and a right side wall. A front dust-proof plate 24 is arranged on the front side of the sub-frame 2, and a rear dust-proof plate 23 is arranged on the rear side of the sub-frame 2. The rear dust-proof plate 23 can block the first cooling fan 11.

[0055] A plurality of electric push rods 21 are symmetrically and fixedly connected to the bottom of the auxiliary frame 2, and the electric push rods 21 can drive the auxiliary frame 2 to lift and lower.

[0056] The lifting and lowering of the auxiliary frame 2 can drive the cleaning mechanism 5.

[0057] In this embodiment, when the computer has a low heat dissipation requirement, cold air enters the chassis from the bottom of the air intake box 4, and then the hot air is discharged through the first cooling fan 11, which can ensure the normal heat dissipation requirement of the computer. Moreover, the rear dust baffle 23 blocks dust from entering the chassis through the first cooling fan 11, and the auxiliary frame 2 blocks dust from entering the chassis from the side of the air intake box 4, minimizing the dust entering the chassis and effectively ensuring the safe operation of the computer. When the computer has a high heat dissipation requirement, the auxiliary frame 2 rises, increasing the volume of the computer chassis, which can effectively improve the heat dissipation efficiency of the computer. When the auxiliary frame 2 rises, the rear dust baffle 23 completely exposes the first cooling fan 11 and simultaneously exposes the side of the air intake box 4, increasing the air intake and exhaust volume of the computer chassis, enhancing the air circulation inside the computer chassis, effectively improving the heat dissipation effect. At the same time, the lifting and lowering of the auxiliary frame 2 drives the cleaning mechanism 5, which can drive the cleaning mechanism 5 to clean the air intake box 4, reducing the dust entering the chassis from the air intake box 4 and effectively ensuring the heat dissipation performance of the computer chassis and the stable operation of the computer.

[0058] As Figure 5 - Figure 10 As shown in the figure, the first cooling fan 11 is fixedly arranged inside the chassis, and a filter screen 111 is arranged at the rear side wall corresponding to the first cooling fan 11.

[0059] A plurality of ventilation holes 231 are equidistantly arranged on the rear dust baffle 23, and a plurality of scraping blades 232 are equidistantly and fixedly arranged on the front side of the rear dust baffle 23, and the scraping blades 232 are arranged in a staggered manner with the ventilation holes 231.

[0060] In this embodiment, due to the setting of the filter screen 111 and the cooperation of the rear dust baffle 23 to block the first cooling fan 11, dust can be effectively blocked from entering the chassis through the first cooling fan 11. When the rear dust baffle 23 blocks the first cooling fan 11, the hot air discharged by the first cooling fan 11 can be discharged through the ventilation holes 231. When the rear dust baffle 23 rises and falls with the auxiliary frame 2, the scraping blades 232 can scrape and clean the filter screen 111, effectively preventing dust from depositing on the filter screen 111 and hindering the exhaust efficiency of the first cooling fan 11.

[0061] As Figure 1 - Figure 4 As shown in the figure, a second cooling fan 22 is fixedly connected to the top of the auxiliary frame 2, and there is a gap between the second cooling fan 22 and the dust shield 3. When the auxiliary frame 2 rises, it can push the dust shield 3 open.

[0062] In this embodiment, the hot air inside the chassis can be discharged from the chassis not only through the first cooling fan 11, but also through the second cooling fan 22. Under normal conditions, the hot air discharged by the second cooling fan 22 is discharged through the gap between the second cooling fan 22 and the dust shield 3. The dust shield 3 can effectively prevent dust from entering the chassis through the second cooling fan 22. After the auxiliary frame 2 is lifted, the dust shield 3 is opened, which can effectively increase the air exhaust volume of the second cooling fan 22.

[0063] As Figure 11 - Figure 15 shown, ventilation holes are symmetrically arranged at the bottom and side surfaces of the air intake box 4. An air intake fan 44 is fixedly connected to the top of the air intake box 4. A first support 41 and a second support 42 are fixedly connected to the middle of the air intake box 4;

[0064] The cleaning mechanism 5 includes a cleaning scraper 51, a threaded rod 52, a first transmission rod 53, a second transmission rod 54 and a transmission chain 55. Two groups of cleaning scrapers 51 are symmetrically and slidably connected inside the air intake box 4. The threaded rod 52 is rotatably connected to the first support 41. The first transmission rod 53 is rotatably connected to the second support 42. A third support 441 is fixedly connected to the top of the air intake fan 44. The second transmission rod 54 is rotatably connected to the third support 441;

[0065] The threaded rod 52 penetrates through the cleaning scraper 51, and the cleaning scraper 51 is threadedly connected to the threaded rod 52. A first bevel gear 521 is fixedly connected to the threaded rod 52. A second bevel gear 531 is fixedly connected to one end of the first transmission rod 53. A first transmission wheel 532 is fixedly connected to the other end of the first transmission rod 53. A second transmission wheel 542 is fixedly connected to one end of the second transmission rod 54. A driven gear 541 is fixedly connected to the other end of the second transmission rod 54. The first transmission wheel 532 is connected to the second transmission wheel 542 through the transmission chain 55. A driving rack 25 is fixedly connected to the inner wall of the auxiliary frame 2. The driving rack 25 meshes with the driven gear 541. The first bevel gear 521 meshes with the second bevel gear 531;

[0066] A plurality of dust collection grooves 43 are symmetrically arranged at the bottom of the air intake box 4. The auxiliary frame 2 can block the ventilation holes on the side surface of the air intake box 4.

[0067] In this embodiment, when the auxiliary frame 2 is lowered, it can block the ventilation holes on the side surface of the air intake box 4, which can greatly reduce the dust entering the chassis through the air intake box 4 and effectively ensure the stable operation of the computer. When the auxiliary frame 2 is lifted, the side surface of the air intake box 4 is exposed, effectively increasing the air intake area of the air intake box 4, increasing the air intake volume, and ensuring the improvement of the heat dissipation efficiency;

[0068] When the driving rack 25 moves up and down with the auxiliary frame 2, it can drive the driven gear 541 to rotate. The rotation of the driven gear 541 can drive the second transmission rod 54 to rotate. The rotation of the second transmission rod 54 can drive the second transmission wheel 542 to rotate. The rotation of the second transmission wheel 542 can drive the first transmission wheel 532 to rotate. The rotation of the first transmission wheel 532 can drive the first transmission rod 53 to rotate. The rotation of the first transmission rod 53 can drive the second bevel gear 531 to rotate. The rotation of the second bevel gear 531 can drive the first bevel gear 521 to rotate. The rotation of the first bevel gear 521 can drive the threaded rod 52 to rotate. The rotation of the threaded rod 52 can drive the cleaning scraper 51 to slide horizontally in the air inlet box 4;

[0069] When the cleaning scraper 51 slides in the air inlet box 4, it can scrape and clean the air vent holes at the bottom and side of the air inlet box 4. When the cleaning scraper 51 scrapes and cleans the air inlet box 4, it can push the dust into the dust collecting groove 43, effectively preventing the dust from depositing on the air inlet box 4 and blocking the air inlet channel on the air inlet box 4, and ensuring the heat dissipation performance of the computer case.

[0070] A computer case heat dissipation method includes the following steps:

[0071] Step 1: When the computer is in a low-intensity heat dissipation demand state such as just starting up, it is normally turned on and used. The intake fan 44, the first heat dissipation fan 11, and the second heat dissipation fan 22 work at low power. The intake fan 44 introduces cold air into the computer case through the air vents at the bottom of the air inlet box 4. The first heat dissipation fan 11 discharges the hot air through the ventilation holes 231 on the rear dust baffle 23 after passing through the filter net 111. The second heat dissipation fan 22 discharges the hot air through the gap between the second heat dissipation fan 22 and the dust shielding plate 3;

[0072] Step 2: When the computer is in a high-intensity heat dissipation demand state, the intake fan 44, the first heat dissipation fan 11, and the second heat dissipation fan 22 work at high power. The electric push rod 21 is started to raise the auxiliary frame 2. The auxiliary frame 2 pushes open the dust shielding plate 3 at the top of the main frame 1. The rear dust baffle 23 rises with the auxiliary frame 2 to completely expose the filter net 111. And as the auxiliary frame 2 rises, the air vent holes on the side of the air inlet box 4 are also completely exposed. At this time, the intake area of the air inlet box 4 increases and the power of the intake fan 44 increases, and the intake air volume in the computer case greatly increases. And there is no blockage at the air outlet of both the first heat dissipation fan 11 and the second heat dissipation fan 22, and the first heat dissipation fan 11 and the second heat dissipation fan 22 operate at high power, so the exhaust air volume of the computer case also greatly increases, making the heat dissipation efficiency of the computer improve and effectively coping with the high-intensity heat dissipation demand of the computer;

[0073] Step 3: During the lifting and lowering of the auxiliary frame 2, the scraper 232 on the rear dust baffle 23 can scrape and clean the filter net 111. As the driving rack 25 for the lifting and lowering of the auxiliary frame 2 can drive the cleaning scraper 51 on the cleaning mechanism 5 to slide horizontally in the air intake box 4, scraping and cleaning the air intake box 4, effectively ensuring the smoothness of the air intake and outlet channels of the computer case, preventing dust from blocking the channels and affecting the heat dissipation efficiency. It can not only be cleaned during normal operation, but also the auxiliary frame 2 can be lifted and lowered repeatedly at regular intervals for key cleaning, without manual cleaning, simplifying the cleaning operation difficulty;

[0074] Step 4: The second cooling fan 22 on the top of the auxiliary frame 2 is detachable, which not only facilitates the cleaning and maintenance of the second cooling fan 22, but also allows the second cooling fan 22 to be replaced with a water-cooled cooling fan, enabling the computer case to have multiple heat dissipation methods and improving the heat dissipation efficiency of the computer case.

[0075] Working principle:

[0076] During operation, the computer has different heat dissipation requirements in different working states. When the heat dissipation requirement is low, the intake fan 44, the first cooling fan 11, and the second cooling fan 22 work at low power. The intake fan 44 introduces cold air into the computer case through the air permeable part at the bottom of the air intake box 4. The first cooling fan 11 discharges the hot air through the filter net 111 and the ventilation holes 231 on the rear dust baffle 23. The second cooling fan 22 discharges the hot air through the gap between the second cooling fan 22 and the dust shielding plate 3. The hot air in the computer case can be discharged from the computer case not only through the first cooling fan 11, but also through the second cooling fan 22, ensuring the normal heat dissipation requirement of the computer.

[0077] At this time, the rear dust baffle 23 shields the first cooling fan 11, which can effectively prevent dust from entering the computer case from the first cooling fan 11. The dust shielding plate 3 can effectively prevent dust from entering the computer case from the second cooling fan 22. When the auxiliary frame 2 is in the lowered state, it can shield the air permeable holes on the side of the air intake box 4, significantly reducing the amount of dust entering the computer case through the air intake box 4. Multiple measures are taken to block dust from entering the computer case, effectively ensuring the safe operation of the computer.

[0078] When the computer is in a high heat dissipation requirement state, the intake fan 44, the first cooling fan 11, and the second cooling fan 22 work at high power. The electric push rod 21 is started to lift the auxiliary frame 2. The auxiliary frame 2 pushes open the dust shielding plate 3 on the top of the main frame 1. The second cooling fan 22 is completely exposed. The rear dust baffle 23 rises with the auxiliary frame 2 to completely expose the filter net 111, that is, the first cooling fan 11 is completely exposed. As the auxiliary frame 2 rises, the air permeable holes on the side of the air intake box 4 are also completely exposed, effectively increasing the air intake and exhaust volume of the computer case, enhancing the air circulation inside the computer case, and effectively improving the heat dissipation effect.

[0079] Meanwhile, the volume of the computer chassis increases, increasing the heat dissipation space inside the computer chassis, which can effectively improve the heat dissipation efficiency of the computer.

[0080] When the driving rack 25 rises with the auxiliary frame 2, it can drive the driven gear 541 to rotate. The rotation of the driven gear 541 can drive the second transmission rod 54 to rotate. The rotation of the second transmission rod 54 can drive the second transmission wheel 542 to rotate. The rotation of the second transmission wheel 542 can drive the first transmission wheel 532 to rotate. The rotation of the first transmission wheel 532 can drive the first transmission rod 53 to rotate. The rotation of the first transmission rod 53 can drive the second bevel gear 531 to rotate. The rotation of the second bevel gear 531 can drive the first bevel gear 521 to rotate. The rotation of the first bevel gear 521 can drive the threaded rod 52 to rotate. The rotation of the threaded rod 52 can drive the cleaning scraper 51 to slide horizontally in the air intake box 4.

[0081] When the cleaning scraper 51 slides in the air intake box 4, it can scrape and clean the ventilation holes at the bottom and side of the air intake box 4. When the cleaning scraper 51 scrapes and cleans the air intake box 4, it can push the dust into the dust collecting groove 43, effectively preventing the dust from depositing on the air intake box 4 and blocking the air intake channel on the air intake box 4, and ensuring the heat dissipation performance of the chassis.

[0082] After the computer is used up, start the electric push rod 21 to lower the auxiliary frame 2. At this time, the rear dust baffle 23 resets to block the first heat dissipation fan 11, and the dust baffle 3 closes to block the second heat dissipation fan 22. When the auxiliary frame 2 is in the lowered state, it can block the ventilation holes on the side of the air intake box 4. At the same time, when the driving rack 25 descends with the auxiliary frame 2, it can drive the driven gear 541 to rotate in the reverse direction, and finally drive the cleaning scraper 51 to slide horizontally in the air intake box 4 in the reverse direction to clean the air intake box 4 again. When the chassis needs to be cleaned intensively, the auxiliary frame 2 can be lifted and lowered multiple times.

[0083] A dust cleaning hole is provided on the side of the dust collecting groove 43, and the dust can be sucked out through a dust suction device, so that the cleaning of the air intake box 4 can be completed without disassembling the chassis, effectively simplifying the cleaning operation difficulty. The second heat dissipation fan 22 on the top of the auxiliary frame 2 is detachable, and the second heat dissipation fan 22 can also be conveniently cleaned without disassembling the chassis, further simplifying the cleaning operation difficulty. The second heat dissipation fan 22 can also be replaced with a water-cooled heat dissipation fan, so that the chassis has multiple heat dissipation methods and improves the heat dissipation efficiency of the chassis.

[0084] The above is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A computer chassis with a multiple heat dissipation mechanism, comprising a main chassis frame (1) and a secondary chassis frame (2), characterized in that, The auxiliary frame (2) is slidably connected to the main frame (1). A dust shielding plate (3) is rotatably connected to the top of the main frame (1). An air intake box (4) is fixedly connected to the bottom of the main frame (1). A cleaning mechanism (5) is arranged inside the air intake box (4). The main frame (1) is provided with a front side wall and a rear side wall. A first cooling fan (11) is arranged on the rear side wall. The auxiliary frame (2) is provided with a left side wall and a right side wall. A front dust shielding plate (24) is arranged on the front side of the auxiliary frame (2). A rear dust shielding plate (23) is arranged on the rear side of the auxiliary frame (2). The rear dust shielding plate (23) can shield the first cooling fan (11). A plurality of electric push rods (21) are symmetrically and fixedly connected to the bottom of the auxiliary frame (2). The electric push rods (21) can drive the auxiliary frame (2) to move up and down. The up-and-down movement of the auxiliary frame (2) can drive the cleaning mechanism (5). Vent holes are symmetrically arranged at the bottom and the side surface of the air intake box (4). An air intake fan (44) is fixedly connected to the top of the air intake box (4). A first support (41) and a second support (42) are fixedly connected to the middle of the air intake box (4). The cleaning mechanism (5) includes a cleaning squeegee (51), a threaded rod (52), a first transmission rod (53), a second transmission rod (54) and a transmission chain (55). Two groups of cleaning squeegees (51) are symmetrically and slidably connected inside the air intake box (4). The threaded rod (52) is rotatably connected to the first support (41). The first transmission rod (53) is rotatably connected to the second support (42). A third support (441) is fixedly connected to the top of the air intake fan (44). The second transmission rod (54) is rotatably connected to the third support (441).

2. The computer chassis with multiple heat dissipation mechanisms according to claim 1, wherein, The first cooling fan (11) is fixedly arranged inside the chassis. A filter screen (111) is arranged at the position corresponding to the first cooling fan (11) on the rear side wall.

3. The computer chassis with multiple heat dissipation mechanisms according to claim 2, characterized in that, A plurality of ventilation holes (231) are equidistantly arranged on the rear dust shielding plate (23). A plurality of scraping blades (232) are equidistantly and fixedly arranged on the front side of the rear dust shielding plate (23). The scraping blades (232) and the ventilation holes (231) are arranged in a staggered manner.

4. The computer chassis with multiple heat dissipation mechanisms according to claim 1, characterized in that, A second cooling fan (22) is fixedly connected to the top of the auxiliary frame (2). A gap is arranged between the second cooling fan (22) and the dust shielding plate (3). When the auxiliary frame (2) rises, it can push open the dust shielding plate (3).

5. The computer chassis with multiple heat dissipation mechanisms according to claim 1, characterized in that, The threaded rod (52) passes through the cleaning scraper (51), and the cleaning scraper (51) is threadedly connected to the threaded rod (52). A first bevel gear (521) is fixedly connected to the threaded rod (52). One end of the first transmission rod (53) is fixedly connected to a second bevel gear (531), and the other end of the first transmission rod (53) is fixedly connected to a first transmission wheel (532). One end of the second transmission rod (54) is fixedly connected to a second transmission wheel (542), and the other end of the second transmission rod (54) is fixedly connected to a driven gear (541). The first transmission wheel (532) is connected to the second transmission wheel (542) through the transmission chain (55). A driving rack (25) is fixedly connected to the inner wall of the auxiliary cabinet (2), and the driving rack (25) meshes with the driven gear (541). The first bevel gear (521) meshes with the second bevel gear (531).

6. The computer chassis with a multiple heat dissipation mechanism according to claim 5, characterized in that, A plurality of dust collecting grooves (43) are symmetrically arranged at the bottom of the air inlet box (4), and the auxiliary cabinet (2) can block the ventilation holes on the side of the air inlet box (4).

7. The computer chassis heat dissipation method according to any one of claims 1-6, characterized in that, It includes the following steps: Step 1: When the computer is in a low-intensity heat dissipation demand state such as just starting up, it is normally turned on and used. The intake fan (44), the first cooling fan (11), and the second cooling fan (22) work at low power. The intake fan (44) introduces cold air into the chassis through the ventilation holes at the bottom of the air inlet box (4). The first cooling fan (11) discharges the hot air through the ventilation holes (231) on the rear dust baffle (23) after passing through the filter net (111). The second cooling fan (22) discharges the hot air through the gap between the second cooling fan (22) and the dust shielding plate (3). Step 2: When the computer is in a high-intensity heat dissipation demand state, the intake fan (44), the first cooling fan (11), and the second cooling fan (22) work at high power. The electric push rod (21) is started to raise the auxiliary cabinet (2). The auxiliary cabinet (2) pushes open the dust shielding plate (3) at the top of the main cabinet (1). The rear dust baffle (23) rises with the auxiliary cabinet (2) to completely expose the filter net (111). As the auxiliary cabinet (2) rises, the ventilation holes on the side of the air inlet box (4) are also completely exposed. At this time, the intake area of the air inlet box (4) increases and the power of the intake fan (44) increases, so the intake volume in the chassis increases greatly. Moreover, there is no blockage at the air outlet of the first cooling fan (11) and the second cooling fan (22), and the first cooling fan (11) and the second cooling fan (22) operate at high power, so the exhaust volume of the chassis also increases greatly, improving the heat dissipation efficiency of the computer and effectively meeting the high-intensity heat dissipation demand of the computer. Step 3: During the lifting and lowering of the auxiliary frame (2), the scraper (232) on the rear dust baffle (23) can scrape and clean the filter screen (111). The driving rack (25) for the lifting and lowering of the auxiliary frame (2) can drive the cleaning blade (51) on the cleaning mechanism (5) to slide horizontally in the air inlet box (4), scraping and cleaning the air inlet box (4), effectively ensuring the smoothness of the air inlet and outlet channels of the chassis, preventing dust from blocking the channels and affecting the heat dissipation efficiency. It can not only be cleaned during normal operation, but also the auxiliary frame (2) can be repeatedly lifted and lowered regularly for key cleaning, without manual cleaning, simplifying the cleaning operation difficulty; Step 4: The second cooling fan (22) on the top of the auxiliary frame (2) is detachable, which not only facilitates the cleaning and maintenance of the second cooling fan (22), but also allows the second cooling fan (22) to be replaced with a water-cooled cooling fan, enabling the chassis to have multiple heat dissipation methods and improving the heat dissipation efficiency of the chassis.

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