CN117412562A

CN117412562A - Heat dissipation system

Info

Publication number: CN117412562A
Application number: CN202311456217.9A
Authority: CN
Inventors: 徐鹏翔
Original assignee: Suzhou Metabrain Intelligent Technology Co Ltd
Current assignee: Suzhou Metabrain Intelligent Technology Co Ltd
Priority date: 2023-11-03
Filing date: 2023-11-03
Publication date: 2024-01-16

Abstract

The invention relates to the technical field of heat dissipation systems, and discloses a heat dissipation system, which comprises a cabinet body, a spraying mechanism, electronic equipment, a heat-conducting plate and a first power mechanism, wherein the cabinet body is provided with a first heat-conducting plate; the cabinet body is provided with a heat dissipation cavity and a heat dissipation port communicated with the heat dissipation cavity; the spraying mechanism is rotatably connected in the cabinet body, one end of the spraying mechanism is provided with a liquid inlet, and the peripheral wall is provided with a spraying pipe; the electronic equipment is sleeved on the periphery of the spraying mechanism and comprises a case and a heating component arranged in the case; an inlet and an outlet are arranged on the case, the inlet is communicated with the spray pipe, and the outlet is communicated with the heat dissipation cavity; the heat-conducting plate is sleeved on the periphery of the spraying mechanism, is arranged in the case and divides the case into a first case body and a second case body; the heat radiation system provided by the invention increases the heat radiation effect and improves the energy utilization efficiency.

Description

Heat dissipation system

Technical Field

The invention relates to the technical field of heat dissipation systems, in particular to a heat dissipation system.

Background

With the increase of energy consumption density, the low energy use efficiency becomes the pain point of each big data center, and according to statistical information, the energy used for server heat dissipation accounts for half or even more of the energy consumption of the traditional data center.

When the server is subjected to heat dissipation through the liquid cooling solution, the power consumption of an air conditioning system can be greatly saved, and the energy utilization efficiency can be effectively improved. Liquid cooled solutions typically involve complex piping designs, placing high demands on the infrastructure of the data center.

The related art also provides an evaporative heat dissipation system, which comprises a heat conduction assembly, a heat dissipation assembly and an evaporator, wherein the heat conduction assembly is a heat pipe with a first working medium stored therein, and at least one part of the heat conduction assembly is contacted with or connected to a heating device; the heat radiation component is constructed as a container with at least one heat radiation opening, and the container stores liquid second working medium; the evaporator is arranged in the container, receives heat conducted by the heat conducting component, enables the second working medium to be heated and evaporated, and is discharged from the heat radiating port. Not only improves the energy utilization efficiency, but also improves the high heat dissipation efficiency. However, in practical use, because the heat conducting component is a heat pipe, a long distance is needed for transferring heat to the evaporator by adopting heat conduction of the heat pipe, and the heat conducting efficiency of the heat pipe is limited, so that the heat transferred after long-distance transmission is limited, and further the heat radiating effect is affected.

Disclosure of Invention

In view of the above, the present invention provides a heat dissipation system to solve the problem that the heat conduction of the heat pipe reduces the heat dissipation efficiency of the evaporative radiator.

The invention provides a heat dissipation system, which comprises a cabinet body, a spraying mechanism, electronic equipment, a heat-conducting plate and a first power mechanism, wherein the cabinet body is provided with a first heat-conducting plate; the cabinet body is provided with a heat dissipation cavity and a heat dissipation port communicated with the heat dissipation cavity; the spraying mechanism is rotatably connected in the cabinet body, one end of the spraying mechanism is provided with a liquid inlet, and the peripheral wall is provided with a spraying pipe; the electronic equipment is sleeved on the periphery of the spraying mechanism and comprises a case and a heating component arranged in the case; an inlet and an outlet are arranged on the case, the inlet is communicated with the spray pipe, and the outlet is communicated with the heat dissipation cavity; the heat conducting plate is sleeved on the periphery of the spraying mechanism, is arranged in the case and divides the case into a first case body and a second case body; the heating component is arranged in the first box body and is in contact with or connected with the heat conducting plate, and the inlet and the outlet are communicated with the second box body, and the first power mechanism is suitable for driving the spraying mechanism to rotate.

The beneficial effects are that: the bottom of the heat conducting plate is directly contacted or connected with the heating component, so that heat can be quickly conducted to the top of the heat conducting plate; the spraying mechanism rotates under the drive of the first power mechanism, the cooling liquid is sprayed on the top of the heat conducting plate in a rotating way through the spraying pipe, heat is absorbed and evaporated at the top of the heat conducting plate, and the cooling liquid is discharged through the outlet and the heat dissipation port; the transfer distance between the top and the bottom of the heat conducting plate is short, the heat conducting transfer area is large, and the heat conducting efficiency are both high; and the spraying mechanism realizes large-area rotary spraying, increases the heated and evaporated area of the cooling liquid, increases the heat dissipation effect and improves the energy use efficiency.

In an alternative embodiment, the heat dissipation system further comprises an air supply assembly, an air supply channel and an air inlet channel, wherein the air supply assembly is arranged in the second box body and is suitable for supplying air and dissipating heat; the air supply channel is arranged on the spraying mechanism and is communicated with the second box body and the air inlet channel; the air inlet channel is communicated to the outside of the cabinet body, and the electronic equipment is arranged between the air inlet channel and the heat dissipation opening.

The beneficial effects are that: the air supply assembly is arranged, so that air can be supplied into the second box body for heat dissipation, the heat dissipation effect is further enhanced, and the purpose of rapid cooling is achieved. The air supply channel is arranged on the spraying mechanism, so that the spraying direction is consistent with the air supply direction, and the spraying effect cannot be influenced by air supply; but also saves space. The electronic equipment is arranged between the air inlet channel and the heat dissipation opening, the distance between the air inlet channel and the heat dissipation opening is pulled open, high-temperature steam is prevented from flowing backwards from the air inlet channel, and good heat dissipation effect is guaranteed.

In an alternative embodiment, the spray mechanism includes a swivel tube and a water supply tube; the rotary pipe is rotatably connected in the cabinet body and is connected with the power output end of the first power mechanism; a first communication port communicated with the second box body is formed in the peripheral wall of the rotating pipe; the rotating pipe is provided with an air inlet communicated with the air inlet channel; the water supply pipe is coaxially connected inside the rotating pipe and is arranged at intervals with the rotating pipe, and the air supply channel is formed between the rotating pipe and the water supply pipe; one end of the water supply pipe is provided with the liquid inlet, the peripheral wall is provided with the spray pipe in a protruding mode, and the spray pipe extends to the first communication opening.

The beneficial effects are that: the water supply pipe and the rotating pipe are arranged at intervals, so that an air supply channel can be formed, the air supply channel and the liquid supply channel are distinguished, and leakage or air leakage is avoided. The water supply pipe is fixedly connected in the rotating pipe, can synchronously rotate with the rotating pipe, and is convenient for the cooling liquid to rotate and spray onto the heat-conducting plate under the action of centrifugal force. The air supply channel is communicated with the second box body through the first communication port, and the water supply pipe is communicated with the second box body through the spray pipe and the first communication port; the spray pipe extends to the first communication port, so that the spray pipe can be prevented from leaking at the air supply channel. The cooperation of delivery pipe and shower has not only realized alone the liquid of sending, has realized alone the air supply again, has still saved the space, has simplified the structure.

In an alternative embodiment, the air supply assembly comprises an air supply fan blade, a clutch mechanism and a second power mechanism; the air supply fan blade is sleeved on the periphery of the rotating tube and is arranged in the second box body; the clutch mechanism is provided with a transmission state for connecting the air supply fan blade and the rotating tube in a transmission way and a separation state for separating the air supply fan blade and the rotating tube; the second power mechanism is adapted to drive the clutch mechanism to switch between the transmission state and the disengaged state.

The beneficial effects are that: when the second power mechanism drives the clutch mechanism to switch to a transmission state, the air supply fan blades are in transmission connection with the rotating pipe, the rotating pipe drives the air supply fan blades to synchronously rotate when rotating, the air supply fan blades rotate to enable air to move towards the outlet, and then the air enters the second box body through the air inlet channel, the air supply channel and the first communication port, and then water sprayed out of the spraying pipe is blown, so that the evaporation rate of the water is increased, and the heat dissipation effect is further improved. When the second power mechanism drives the clutch mechanism to be switched to a separation state, the air supply fan blade and the rotating pipe are separated from each other, and the air supply fan blade is kept motionless when the rotating pipe rotates, and heat dissipation is performed only through a spray cooling liquid and a cooling liquid natural evaporation heat dissipation mode.

In an alternative embodiment, the second power mechanism comprises a clutch motor and a third gear, and the clutch motor is fixedly connected to the upper part of the top cover of the case and is positioned outside the case; the third gear is fixedly sleeved on the periphery of the power output shaft of the clutch motor and is arranged in the second box body; the air supply fan blade comprises a rotating ring and a fan blade body, wherein the rotating ring is sleeved on the periphery of the rotating pipe and is arranged at intervals with the rotating pipe; the rotary ring is provided with a second communication port, a first sliding hole and a second sliding hole, the second communication port is communicated with the second box body and the first communication port, the first sliding hole is arranged on the inner ring of the rotary ring and extends along the radial direction of the rotary ring, and the first sliding hole is arranged above the second communication port; the second sliding hole is arranged at the top of the rotating ring and extends to the first sliding hole along the axial direction of the rotating ring; the fan blade body is fixedly connected to the outer ring of the rotating ring; the clutch mechanism comprises a clutch sleeve, a clutch gear ring, an end face bearing, a pushing block and a transmission block; the clutch sleeve is rotatably and fixedly connected to the top cover of the case, is positioned in the second case, is sleeved on the periphery of the rotating pipe and is arranged at intervals with the rotating pipe, and the periphery of the clutch sleeve is provided with external threads; the outer ring of the clutch gear ring is in meshed connection with the third gear, the inner ring is provided with an internal thread, the clutch gear ring is sleeved on the periphery of the clutch sleeve, and the internal thread is connected with the external thread; the end face bearing is sleeved on the periphery of the rotating tube, the top of the end face bearing is fixedly connected with the clutch gear ring, and the bottom of the end face bearing is fixedly connected with the top of the pushing block; the pushing block is arranged in the second sliding hole in a sliding way, and a first inclined plane is arranged at the bottom of the pushing block; the transmission block is arranged in the first sliding hole in a sliding way, one end of the transmission block is provided with a second inclined plane, the first inclined plane is in sliding fit with the second inclined plane, and the other end of the transmission block is provided with a transmission position connected with the rotating pipe and a separation position separated from the rotating pipe; when the other end of the transmission block is positioned at the transmission position, the clutch mechanism is positioned in the transmission state, and the rotating pipe drives the air supply fan blade to rotate.

The beneficial effects are that: when the electronic equipment performs natural evaporation and heat dissipation and still cannot be reduced to normal temperature, the clutch motor is started and rotates forward, the power output shaft drives the third gear to rotate forward, the clutch gear ring meshed with the third gear rotates along with the rotation, and the clutch sleeve connected with the internal thread of the clutch gear ring rotates forward; because the clutch sleeve is rotatably connected to the top cover of the case, when the clutch gear ring is in threaded fit with the clutch sleeve, the clutch gear ring can move downwards in the process of rotating, and the end face bearing is driven to move downwards, and the end face bearing drives the pushing block to move downwards; in the process of pushing the block to move downwards, the first inclined plane and the second inclined plane are matched with each other, the driving block is pushed to move towards the rotating pipe until the driving block is connected with the rotating pipe, the driving pipe reaches the driving position of the driving block, the rotating pipe drives the rotating ring to rotate through the driving block and the pushing block, the fan blade body arranged on the rotating ring follows the rotation, so that air moves towards the outlet, the air enters the second box through the air inlet channel, the air supply channel and the first communication port, water sprayed out of the spraying pipe is blown, the evaporation rate of the water is increased, and the heat dissipation effect is further increased. When the temperature of a heating component of the electronic equipment is reduced to be at or below a normal temperature, the clutch motor rotates reversely, the third gear of the power output shaft rotates reversely, the clutch gear ring meshed with the third gear rotates along with the rotation, and the clutch sleeve connected with the internal thread of the clutch gear ring rotates reversely; because the clutch sleeve is rotatably connected to the top cover of the case, when the clutch gear ring is in threaded fit with the clutch sleeve, the clutch gear ring can move upwards in the process of rotating, and the end face bearing is driven to move upwards, and the end face bearing drives the pushing block to move upwards; in the process of upward movement of the pushing block, the first inclined surface does not apply acting force to the second inclined surface any more, the transmission block moves in the direction away from the rotation pipe until the transmission block is separated from the rotation pipe and reaches the separation position of the transmission block, and the air supply fan blade is kept motionless when the rotation pipe rotates, and only the cooling liquid is sprayed and the cooling liquid is naturally evaporated for heat dissipation.

In an alternative embodiment, the heat dissipation system further comprises a cold water tank and a sewer pipe, wherein the cold water tank is arranged above the top end of the spraying mechanism; the spraying mechanism further comprises a rotary joint, and the rotary joint is connected to the bottom end of the rotary pipe; the liquid inlet is communicated with the cold water tank through the rotary joint and the sewer pipe.

The beneficial effects are that: the cold water tank can provide cooling liquid such as lower water of temperature to spray mechanism, guarantees that spray mechanism sustainable spray. The cold water tank is higher than the top setting of spraying mechanism, and coolant liquid such as water can easily get into spraying mechanism under the effect of gravity, need not to set up the pressure pump in addition and will supply water to spraying mechanism. The spraying mechanism comprises a rotary joint, which is convenient for connection with the spraying mechanism and convenient for communicating with a sewer pipe.

In an alternative embodiment, the heat dissipation system further comprises a heat exchange mechanism, a water supply pipe and a water supply pump; the bottom of the cabinet body is provided with a liquid outlet communicated with the heat dissipation cavity, the liquid outlet is communicated with a fluid inlet of the heat exchange mechanism, a fluid outlet of the heat exchange mechanism is communicated with the cold water tank through the water feeding pipe, and the water feeding pump is connected to the water feeding pipe.

The beneficial effects are that: the heat exchange mechanism, the water supply pipe and the water supply pump are arranged, so that cooling liquid such as water flowing out of the second box body can be recovered and subjected to heat exchange and is conveyed to the cold water box, and the recycling of the cooling liquid is realized.

In an alternative embodiment, the heat exchange mechanism comprises a hot water tank, a first radiating fin, a second radiating fin and a heat conducting pipe, wherein the hot water tank is provided with the fluid inlet and the fluid outlet; the plurality of first radiating fins are arranged in the hot water tank at intervals; the plurality of second radiating fins are arranged outside the hot water tank at intervals; one end of the heat conducting pipe extends into the cold water tank and is sequentially connected with a plurality of first radiating fins; the other end is arranged outside the hot water tank and is sequentially connected with a plurality of second radiating fins.

In an alternative embodiment, the heat dissipation system further comprises a chimney disposed at the heat dissipation port and located at the top end of the cabinet body; the air inlet channel is arranged at the bottom of the cabinet body.

In an alternative embodiment, the first power mechanism includes driving motor, first gear and second gear, driving motor fixed connection is in the bottom of rack body, first gear is fixed cup joint driving motor's power take off shaft's periphery, the second gear cup joints spraying mechanism's periphery, first gear with second gear engagement.

In an optional embodiment, a plurality of third radiating fins are arranged on the heat conducting plate at intervals along the circumferential direction, the tops of the third radiating fins are fixedly connected with the top of the chassis, and the third radiating fins extend along the radial direction of the heat conducting plate.

In an alternative embodiment, the heat dissipation system further comprises a plurality of partition boards sleeved on the periphery of the spraying mechanism, fixedly connected to the cavity wall of the heat dissipation cavity, and distributed at intervals along the axial direction of the spraying mechanism so as to divide the heat dissipation cavity into a plurality of fixed cavities; the electronic equipment is arranged in each fixed cavity, and the spraying mechanism is correspondingly provided with a plurality of spraying pipes; the air supply assemblies are correspondingly provided with a plurality of groups, and each fixed cavity is correspondingly provided with a group of air supply assemblies; and the partition plates are respectively provided with a circulation port communicated with each fixed cavity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a heat dissipation system according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1A;

FIG. 3 is an enlarged partial schematic view of B in FIG. 2;

FIG. 4 is a schematic view of a heat-conducting plate according to an embodiment of the present invention.

Reference numerals illustrate:

1. a cabinet body; 101. a heat dissipation cavity; 102. a chimney; 2. a spraying mechanism; 21. a rotary tube; 22. a water supply pipe; 221. a shower pipe; 23. a rotary joint; 3. an electronic device; 31. a heating component; 4. a heat conductive plate; 41. a third heat radiating fin; 5. a first power mechanism; 51. a driving motor; 52. a first gear; 53. a second gear; 6. an air supply assembly; 61. air supply fan blades; 611. a rotating ring; 612. a fan blade body; 62. a clutch mechanism; 621. a clutch sleeve; 622. a clutch ring gear; 623. an end face bearing; 624. a pushing block; 625. a transmission block; 63. a second power mechanism; 631. a clutch motor; 632. a third gear; 7. an air supply channel; 8. an air inlet channel; 9. a partition plate; 91. a flow port; 10. a cold water tank; 11. a water supply pipe; 111. an electromagnetic valve; 12. a heat exchange mechanism; 121. a hot water tank; 122. a first heat radiating fin; 123. a second heat radiating fin; 124. a heat conduction pipe; 13. a water supply pipe; 14. and (5) water feeding.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiments of the present invention are described below with reference to fig. 1 to 4.

According to an embodiment of the present invention, there is provided a heat dissipation system including a cabinet body 1, a spray mechanism 2, an electronic device 3, a heat conduction plate 4, and a first power mechanism 5; the cabinet body 1 is provided with a heat dissipation cavity 101 and a heat dissipation port communicated with the heat dissipation cavity 101; the spraying mechanism 2 is rotatably connected in the cabinet body 1, one end of the spraying mechanism 2 is provided with a liquid inlet, and the peripheral wall is provided with a spraying pipe 221; the electronic equipment 3 is sleeved on the periphery of the spraying mechanism 2, and the electronic equipment 3 comprises a case and a heating component 31 arranged in the case; an inlet and an outlet are arranged on the case, the inlet is communicated with the spray pipe 221, and the outlet is communicated with the heat dissipation cavity 101; the heat-conducting plate 4 is sleeved on the periphery of the spraying mechanism 2, is arranged in the case and divides the case into a first case body and a second case body; the heating component 31 is arranged in the first box body, is contacted or connected with the heat conducting plate 4, and the inlet and the outlet are communicated with the second box body, and the first power mechanism 5 is suitable for driving the spraying mechanism 2 to rotate.

The bottom of the heat conducting plate 4 is directly contacted or connected with the heating component 31, so that heat can be quickly conducted to the top of the heat conducting plate 4; the spraying mechanism 2 is driven by the first power mechanism 5 to rotate, the cooling liquid is sprayed on the top of the heat conducting plate 4 in a rotating way through the spraying pipe 221, heat is absorbed and evaporated at the top of the heat conducting plate 4, and the cooling liquid is discharged through the outlet and the heat dissipation port; the transfer distance between the top and the bottom of the heat conducting plate 4 is short, the heat conducting transfer area is large, and the heat conducting efficiency are both high; and the spraying mechanism 2 realizes large-area rotary spraying, also increases the heated and evaporated area of the cooling liquid, increases the heat dissipation effect and improves the energy use efficiency. Specifically, the cooling liquid may be water. The electronic device 3 may be a server, and the server includes a chassis, a main board, and a heating component 31, where the main board is disposed in the first box, and the heating component 31 includes a CPU, a GPU, and the like disposed on the main board.

In one embodiment, the heat dissipation system further comprises an air supply assembly 6, an air supply channel 7 and an air inlet channel 8, wherein the air supply assembly 6 is arranged in the second box body and is suitable for supplying air and dissipating heat; the air supply channel 7 is arranged on the spraying mechanism 2 and is communicated with the second box body and the air inlet channel 8; the air inlet channel 8 is communicated to the outside of the cabinet body 1, and the electronic equipment 3 is arranged between the air inlet channel 8 and the heat radiation opening.

The air supply assembly 6 can supply air to the second box body for heat dissipation, so that the heat dissipation effect is further enhanced, and the purpose of rapid cooling is achieved. The air supply channel 7 is arranged on the spraying mechanism 2, so that the spraying direction is consistent with the air supply direction, and the spraying effect cannot be influenced by air supply; but also saves space. The electronic equipment 3 is arranged between the air inlet channel 8 and the heat dissipation opening, the distance between the air inlet channel 8 and the heat dissipation opening is pulled, high-temperature steam is prevented from flowing backwards from the air inlet channel 8, and good heat dissipation effect is guaranteed.

In one embodiment, the spray mechanism 2 includes a swivel tube 21 and a water supply tube 22; the rotary pipe 21 is rotatably connected in the cabinet body 1 and is connected with the power output end of the first power mechanism 5; the peripheral wall of the rotary pipe 21 is provided with a first communication port communicated with the second box body; the rotary pipe 21 is provided with an air inlet communicated with the air inlet channel 8; the water supply pipe 22 is coaxially connected to the inside of the rotary pipe 21 and is spaced from the rotary pipe 21, and the air supply passage 7 is formed between the rotary pipe 21 and the water supply pipe 22; one end of the water supply pipe 22 is provided with a liquid inlet, and a spray pipe 221 is arranged on the peripheral wall in a protruding manner, and the spray pipe 221 extends to the first communication port.

The water supply pipe 22 and the rotary pipe 21 are arranged at intervals to form the air supply channel 7, so that the air supply channel 7 and the liquid supply channel are distinguished, and leakage or air leakage is avoided. The water supply pipe 22 is fixedly connected in the rotation pipe 21, and can rotate synchronously with the rotation pipe 21, so that the cooling liquid can be conveniently rotated and sprayed onto the heat conducting plate 4 under the action of centrifugal force. The air supply channel 7 is communicated with the second box body through a first communication port, and the water supply pipe 22 is communicated with the second box body through a spray pipe 221 and the first communication port; the shower pipe 221 extends to the first communication port, so that the shower pipe 221 can be ensured not to leak water at the air supply channel 7. The cooperation of the water supply pipe 22 and the spray pipe 221 realizes both separate liquid supply and separate air supply, saves space and simplifies the structure.

In one embodiment, the blower assembly 6 includes a blower blade 61, a clutch mechanism 62, and a second power mechanism 63; the air supply fan blade 61 is sleeved on the periphery of the rotary tube 21 and is arranged in the second box body; the clutch mechanism 62 has a transmission state in which the blower fan 61 and the rotary pipe 21 are connected in a transmission manner, and a separation state in which the blower fan 61 and the rotary pipe 21 are separated; the second power mechanism 63 is adapted to drive the clutch mechanism 62 to switch between a transmission state and a disengaged state.

When the second power mechanism 63 drives the clutch mechanism 62 to switch to a transmission state, the air supply fan blades 61 are in transmission connection with the rotating pipe 21, the rotating pipe 21 drives the air supply fan blades 61 to synchronously rotate when rotating, the air supply fan blades 61 rotate to enable air to move towards the outlet, and then the air enters the second box body through the air inlet channel 8, the air supply channel 7 and the first communication port, and then water sprayed out of the spray pipe 221 is blown, so that the evaporation rate of the water is increased, and the heat dissipation effect is further improved. When the second power mechanism 63 drives the clutch mechanism 62 to switch to the separated state, the air-sending fan blade 61 and the rotating pipe 21 are separated from each other, and the air-sending fan blade 61 is kept still when the rotating pipe 21 rotates, and heat dissipation is performed only by spraying the cooling liquid and naturally evaporating the cooling liquid.

Specifically, when the electronic device 3 is in a normal state, the spraying mechanism 2 can be driven by the first power mechanism 5 to perform natural evaporation and heat dissipation in real time, or the spraying mechanism 2 is intermittently driven by the first power mechanism 5 to achieve natural evaporation and heat dissipation. When the electronic device 3 performs natural evaporation and heat dissipation and still cannot be reduced to the normal temperature, the corresponding second power mechanism 63 drives the clutch mechanism 62 to switch to the transmission state, and the heat dissipation effect is improved through the air supply assembly 6.

In one embodiment, the second power mechanism 63 includes a clutch motor 631 and a third gear 632, and the clutch motor 631 is fixedly connected to the upper part of the top cover of the chassis and is located outside the chassis; the third gear 632 is fixedly sleeved on the periphery of the power output shaft of the clutch motor 631 and is arranged in the second box body; the air supply fan 61 comprises a rotating ring 611 and a fan blade body 612, wherein the rotating ring 611 is sleeved on the periphery of the rotating tube 21 and is arranged at intervals with the rotating tube 21; the rotating ring 611 is provided with a second communication port, a first sliding hole and a second sliding hole, the second communication port is communicated with the second box body and the first communication port, the first sliding hole is arranged on the inner ring of the rotating ring 611 and extends along the radial direction of the rotating ring 611, and the first sliding hole is arranged above the second communication port; the second sliding hole is arranged at the top of the rotating ring 611 and extends to the first sliding hole along the axial direction of the rotating ring 611; the fan blade body 612 is fixedly connected to the outer ring of the rotating ring 611; the clutch mechanism 62 comprises a clutch sleeve 621, a clutch gear ring 622, an end face bearing 623, a pushing block 624 and a transmission block 625; the clutch sleeve 621 is rotatably and fixedly connected to the top cover of the case, is positioned in the second case, is sleeved on the periphery of the rotating tube 21, is arranged at intervals with the rotating tube 21, and is provided with external threads on the periphery; the outer ring of the clutch gear ring 622 is in meshed connection with the third gear 632, the inner ring is provided with internal threads, the clutch gear ring 622 is sleeved on the periphery of the clutch sleeve 621, and the internal threads are connected with the external threads; the end face bearing 623 is sleeved on the periphery of the rotary tube 21, the top of the end face bearing is fixedly connected with the clutch gear ring 622, and the bottom of the end face bearing is fixedly connected with the top of the pushing block 624; the pushing block 624 is slidably arranged in the second sliding hole, and the bottom of the pushing block 624 is provided with a first inclined plane; the transmission block 625 is slidably arranged in the first sliding hole, one end of the transmission block 625 is provided with a second inclined plane, the first inclined plane is slidably matched with the second inclined plane, and the other end of the transmission block 625 is provided with a transmission position connected with the rotary tube 21 and a separation position separated from the rotary tube 21; when the other end of the transmission block 625 is at the transmission position, the clutch mechanism 62 is in a transmission state, and the rotation tube 21 drives the air supply fan blade 61 to rotate.

When the electronic device 3 performs natural evaporation and heat dissipation and cannot be reduced to the normal temperature, the clutch motor 631 is started and rotates forward, the power output shaft drives the third gear 632 to rotate forward, the clutch gear ring 622 meshed with the third gear 632 rotates along with the third gear 632, and the clutch sleeve 621 connected with the internal thread of the clutch gear ring 622 rotates forward; because the clutch sleeve 621 is rotatably connected to the top cover of the chassis, when the clutch gear ring 622 and the clutch sleeve 621 are in threaded engagement, the clutch gear ring 622 can move downwards in the process of rotating, and the end face bearing 623 is driven to move downwards, and the end face bearing 623 drives the pushing block 624 to move downwards; in the process of downward movement of the pushing block 624, the first inclined plane and the second inclined plane are matched with each other, the driving block 625 is pushed to move towards the rotating pipe 21 until the driving block 625 is connected with the rotating pipe 21 and reaches the driving position of the driving block 625, the rotating pipe 21 drives the rotating ring 611 to rotate through the driving block 625 and the pushing block 624, the fan blade body 612 arranged on the rotating ring 611 follows rotation, so that air moves towards the outlet, and then the air enters the second box through the air inlet channel 8, the air supply channel 7 and the first communication port, and then water sprayed out of the spraying pipe 221 is blown, the evaporation rate of the water is increased, and then the heat dissipation effect is increased. When the temperature of the heating element 31 of the electronic apparatus 3 is lowered to a normal temperature or below, the clutch motor 631 is reversed, the power output shaft third gear 632 is rotated reversely, the clutch ring gear 622 meshed with the third gear 632 is rotated following, and the clutch sleeve 621 connected with the internal thread of the clutch ring gear 622 is rotated reversely; because the clutch sleeve 621 is rotatably connected to the top cover of the chassis, when the clutch gear ring 622 and the clutch sleeve 621 are in threaded engagement, the clutch gear ring 622 can move upwards in the process of rotating, and the end face bearing 623 is driven to move upwards, and the end face bearing 623 drives the pushing block 624 to move upwards; in the process of upward movement of the pushing block 624, the first inclined plane no longer applies an acting force to the second inclined plane, the transmission block 625 moves in a direction away from the rotation tube 21 until the transmission block 625 is separated from the rotation tube 21, and reaches the separation position of the transmission block 625, and the air supply fan blade 61 remains motionless when the rotation tube 21 rotates, and heat dissipation is performed only by spraying cooling liquid and cooling liquid natural evaporation heat dissipation.

In particular, in the embodiment, the distance between the first inclined surface and the rotation pipe 21 gradually decreases from top to bottom, and the distance between the second inclined surface and the rotation pipe 21 gradually increases from top to bottom. The periphery of the rotating tube 21 can be provided with a slot, and one end of the transmission block 625 far away from the second inclined plane can be inserted into the slot to realize transmission connection with the rotating tube 21. Alternatively, the drive block 625 is directly in close proximity to the rotating tube 21 for drive connection. An elastic member is further arranged between the transmission block 625 and the first sliding hole, and when the pushing block 624 moves upwards, the transmission block 625 moves away from the rotating tube 21 under the elastic force of the elastic member.

As an alternative embodiment, the heat dissipation system may further include a third power mechanism and a transmission mechanism, where the third power mechanism is directly connected to the blower fan 61 through the transmission mechanism, and drives the blower fan 61 to rotate.

In one embodiment, the heat dissipation system further comprises a cold water tank 10 and a sewer pipe 11, wherein the cold water tank 10 is arranged higher than the top end of the spraying mechanism 2; the spraying mechanism 2 further comprises a rotary joint 23, and the rotary joint 23 is connected to the bottom end of the rotary pipe 21; the liquid inlet is communicated with the cold water tank 10 through the rotary joint 23 and the sewer pipe 11.

The cold water tank 10 can provide cooling liquid such as water with lower temperature for the spraying mechanism 2, so as to ensure that the spraying mechanism 2 can continuously spray. The cold water tank 10 is higher than the top of the spraying mechanism 2, and the cooling liquid such as water can easily enter the spraying mechanism 2 under the action of gravity, so that water can be supplied to the spraying mechanism 2 without additionally arranging a pressure pump. The spraying mechanism 2 comprises a rotary joint 23, which is convenient for connection with the spraying mechanism 2 and convenient for communicating with the sewer pipe 11. Specifically, the cold water tank 10 may be clamped at the side of the cabinet body 1 through a bracket, or may be connected at the top of the cabinet body 1 through a bracket. A solenoid valve 111 is also connected to the downcomer 11.

As an alternative embodiment, the cooling water supply device may further include a pressure pump provided in the drain pipe 11 to pump water in the cooling water tank 10 into the shower mechanism 2, and the position of the cooling water tank 10 is not limited.

In one embodiment, the heat dissipation system further comprises a heat exchange mechanism 12, a water supply pipe 13 and a water supply pump 14; the bottom of the cabinet body 1 is provided with a liquid outlet communicated with the heat dissipation cavity 101, the liquid outlet is communicated with a fluid inlet of the heat exchange mechanism 12, a fluid outlet of the heat exchange mechanism 12 is communicated with the cold water tank 10 through a water supply pipe 13, and a water supply pump 14 is connected to the water supply pipe 13.

The heat exchange mechanism 12, the water supply pipe 13 and the water supply pump 14 are arranged, so that cooling liquid such as water flowing out of the second tank body can be collected and subjected to heat exchange, and is conveyed to the cold water tank 10, and the recycling of the cooling liquid is realized.

In one embodiment, heat exchange mechanism 12 includes a hot water tank 121, a first heat radiating fin 122, a second heat radiating fin 123, and a heat conducting tube 124, hot water tank 121 having a fluid inlet and a fluid outlet; the first radiating fins 122 are arranged in the hot water tank 121 at intervals; the second heat radiating fins 123 are arranged outside the hot water tank 121 at intervals; one end of the heat pipe 124 is extended in the cold water tank 10 and is sequentially connected with a plurality of first radiating fins 122; the other end is disposed outside the hot water tank 121 and is sequentially connected to a plurality of second heat radiating fins 123.

The hot water tank 121 can collect the cooling liquid such as the higher water of temperature that flows out in the second box, and first radiating fin 122 sets up in hot water tank 121 to absorb the temperature of cooling liquid in hot water tank 121 to pass through heat pipe 124 and transmit to the outside second radiating fin 123 department of hot water tank 121, realize quick cooling heat transfer through second radiating fin 123, in order to reduce the cooling liquid temperature in hot water tank 121, again pass through water feeding pump 14 and upper water pipe 13 and carry for cold water tank 10, realize cyclic utilization of cooling liquid such as water.

In one embodiment, the heat dissipation system further comprises a chimney 102 disposed at the heat dissipation port and located at the top end of the cabinet body 1; the air inlet channel 8 is arranged at the bottom of the cabinet body 1.

The chimney 102 can realize a chimney 102 effect, and is convenient for discharging the damp and hot air. Specifically, the chimney 102 is disposed at the top of the cabinet body 1 and coaxially disposed with the shower mechanism 2. Both the electronic device 3 and the heat conducting plate 4 may be of annular structure and arranged coaxially with the spraying mechanism 2.

In one embodiment, the first power mechanism 5 includes a driving motor 51, a first gear 52 and a second gear 53, the driving motor 51 is fixedly connected to the bottom of the cabinet body 1, the first gear 52 is fixedly sleeved on the periphery of a power output shaft of the driving motor 51, the second gear 53 is sleeved on the periphery of the spraying mechanism 2, and the first gear 52 is meshed with the second gear 53.

The driving motor 51 transmits power to the spraying mechanism 2 through the first gear 52 and the second gear 53 to drive the spraying mechanism 2 to rotate. And due to the arrangement of the first gear 52 and the second gear 53, the driving motor 51 can be arranged at the side part of the spraying mechanism 2, so that the damage caused by the pressure applied by the spraying mechanism 2 when the driving motor is directly arranged at the bottom of the spraying mechanism 2 is avoided.

In one embodiment, a plurality of third heat dissipation fins 41 are circumferentially arranged on the heat conduction plate 4 at intervals, the top of each third heat dissipation fin 41 is fixedly connected with the top of the chassis, and each third heat dissipation fin 41 extends along the radial direction of the heat conduction plate 4.

The third radiating fins 41 can transfer the heat of the heat conducting plate 4 to the top of the case and all corners in the case, so that the purposes of uniform heat dissipation and enhanced heat dissipation effect are achieved, part of the cooling liquid such as water sprayed by the spraying mechanism 2 falls on the heat conducting plate 4, and the part of the cooling liquid falls on the third radiating fins 41, so that the evaporation and heat dissipation effects are better. The third heat radiation fins 41 extend in the radial direction of the heat conduction plate 4, and guide the wind and the cooling liquid to move in the outlet direction.

In one embodiment, the heat dissipation system further comprises a plurality of partition boards 9 sleeved on the periphery of the spraying mechanism 2, fixedly connected to the cavity wall of the heat dissipation cavity 101, and distributed at intervals along the axial direction of the spraying mechanism 2 so as to divide the heat dissipation cavity 101 into a plurality of fixed cavities; each fixed cavity is internally provided with an electronic device 3, and the spraying mechanism 2 is correspondingly provided with a plurality of spraying pipes 221; the air supply assemblies 6 are correspondingly provided with a plurality of groups, and each fixed cavity is correspondingly provided with a group of air supply assemblies 6; the partition plate 9 is provided with a flow port 91 for communicating with each of the fixing chambers.

The plurality of partitions 9 may be provided to correspond to the plurality of electronic devices 3, so that the plurality of electronic devices 3 can be simultaneously subjected to heat dissipation by evaporation through the plurality of shower pipes 221 of the shower mechanism 2. The multiple sets of air supply assemblies 6 can be used for supplying air and radiating heat to one or more electronic devices 3 independently. When the temperature of the heating element 31 of a certain electronic device 3 cannot be reduced to the normal temperature during evaporation and heat dissipation, the second power mechanism 63 of the corresponding air supply assembly 6 drives the clutch mechanism 62 to switch to the transmission state, the rotating tube 21 is kept to the air supply fan blade 61 to rotate, and the heat dissipation effect is improved through the air supply assembly 6.

Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.

Claims

1. A heat dissipation system, comprising:

the cabinet body (1) is provided with a heat dissipation cavity (101) and a heat dissipation port communicated with the heat dissipation cavity (101);

the spraying mechanism (2) is rotatably connected in the cabinet body (1), one end of the spraying mechanism (2) is provided with a liquid inlet, and the peripheral wall is provided with a spraying pipe (221);

the electronic equipment (3) is sleeved on the periphery of the spraying mechanism (2), and the electronic equipment (3) comprises a case and a heating component (31) arranged in the case; an inlet and an outlet are arranged on the case, the inlet is communicated with the spray pipe (221), and the outlet is communicated with the heat dissipation cavity (101);

the heat conducting plate (4) is sleeved on the periphery of the spraying mechanism (2), is arranged in the case and divides the case into a first case body and a second case body; the heating component (31) is arranged in the first box body and is in contact with or connected with the heat conducting plate (4), and the inlet and the outlet are communicated with the second box body;

and the first power mechanism (5) is suitable for driving the spraying mechanism (2) to rotate.

2. The heat dissipation system according to claim 1, further comprising an air supply assembly (6), an air supply channel (7) and an air intake channel (8), wherein the air supply assembly (6) is disposed in the second housing and adapted to supply air for heat dissipation; the air supply channel (7) is arranged on the spraying mechanism (2) and is communicated with the second box body and the air inlet channel (8); the air inlet channel (8) is communicated to the outside of the cabinet body (1), and the electronic equipment (3) is arranged between the air inlet channel (8) and the heat dissipation port.

3. The heat dissipation system according to claim 2, wherein the spraying mechanism (2) comprises:

the rotary pipe (21) is rotatably connected in the cabinet body (1) and is connected with the power output end of the first power mechanism (5); a first communication port communicated with the second box body is formed in the peripheral wall of the rotating pipe (21); an air inlet communicated with the air inlet channel (8) is formed in the rotating pipe (21);

a water supply pipe (22) coaxially connected to the inside of the rotary pipe (21) and spaced apart from the rotary pipe (21), wherein the air supply passage (7) is formed between the rotary pipe (21) and the water supply pipe (22); one end of the water supply pipe (22) is provided with the liquid inlet, the peripheral wall is provided with the spray pipe (221) in a protruding mode, and the spray pipe (221) extends to the first communication opening.

4. A heat dissipation system according to claim 3, wherein the air supply assembly (6) comprises:

an air supply fan blade (61) sleeved on the periphery of the rotating tube (21) and arranged in the second box body;

a clutch mechanism (62) having a transmission state in which the blower fan blade (61) and the rotary tube (21) are connected in a transmission manner, and a separation state in which the blower fan blade (61) and the rotary tube (21) are separated from each other;

a second power mechanism (63) adapted to drive the clutch mechanism (62) to switch between the transmission state and the disengaged state.

5. The heat dissipation system as recited in claim 4, wherein the second power mechanism (63) comprises a clutch motor (631) and a third gear (632), the clutch motor (631) being fixedly connected to an upper portion of a top cover of the housing and being located outside the housing; the third gear (632) is fixedly sleeved on the periphery of the power output shaft of the clutch motor (631) and is arranged in the second box body;

the air supply fan blade (61) comprises a rotating ring (611) and a fan blade body (612), wherein the rotating ring (611) is sleeved on the periphery of the rotating pipe (21) and is arranged at intervals with the rotating pipe (21); the rotating ring (611) is provided with a second communication port, a first sliding hole and a second sliding hole, the second communication port is communicated with the second box body and the first communication port, the first sliding hole is arranged on the inner ring of the rotating ring (611) and extends along the radial direction of the rotating ring (611), and the first sliding hole is arranged above the second communication port; the second sliding hole is arranged at the top of the rotating ring (611) and extends to the first sliding hole along the axial direction of the rotating ring (611); the fan blade body (612) is fixedly connected to the outer ring of the rotating ring (611);

the clutch mechanism (62) comprises a clutch sleeve (621), a clutch gear ring (622), an end face bearing (623), a pushing block (624) and a transmission block (625); the clutch sleeve (621) is rotatably and fixedly connected to the top cover of the case, is positioned in the second case, is sleeved on the periphery of the rotating tube (21), is arranged at intervals with the rotating tube (21), and is provided with external threads on the periphery; the outer ring of the clutch gear ring (622) is in meshed connection with the third gear (632), the inner ring is provided with an internal thread, the clutch gear ring (622) is sleeved on the periphery of the clutch sleeve (621), and the internal thread is connected with the external thread; the end face bearing (623) is sleeved on the periphery of the rotating tube (21), the top of the end face bearing is fixedly connected with the clutch gear ring (622), and the bottom of the end face bearing is fixedly connected with the top of the pushing block (624); the pushing block (624) is arranged in the second sliding hole in a sliding way, and a first inclined plane is arranged at the bottom of the pushing block (624); the transmission block (625) is slidably arranged in the first sliding hole, one end of the transmission block (625) is provided with a second inclined plane, the first inclined plane is slidably matched with the second inclined plane, and the other end of the transmission block (625) is provided with a transmission position connected with the rotating pipe (21) and a separation position separated from the rotating pipe (21); when the other end of the transmission block (625) is positioned at the transmission position, the clutch mechanism (62) is positioned at the transmission state, and the rotating tube (21) drives the air supply fan blade (61) to rotate.

6. The heat dissipation system according to claim 4 or 5, further comprising a plurality of partition plates (9) sleeved on the periphery of the spray mechanism (2), fixedly connected to the cavity wall of the heat dissipation cavity (101), and distributed at intervals along the axial direction of the spray mechanism (2) so as to divide the heat dissipation cavity (101) into a plurality of fixed cavities; the electronic equipment (3) is arranged in each fixed cavity, and the spraying mechanism (2) is correspondingly provided with a plurality of spraying pipes (221); the air supply assemblies (6) are correspondingly provided with a plurality of groups, and each fixed cavity is correspondingly provided with a group of air supply assemblies (6); and the partition plates (9) are respectively provided with a circulation port (91) communicated with each fixed cavity.

7. The heat radiation system according to any one of claims 3 to 5, further comprising a cold water tank (10) and a downpipe (11), the cold water tank (10) being disposed higher than the top end of the shower mechanism (2); the spraying mechanism (2) further comprises a rotary joint (23), and the rotary joint (23) is connected to the bottom end of the rotary pipe (21); the liquid inlet is communicated with the cold water tank (10) through the rotary joint (23) and the sewer pipe (11).

8. The heat dissipation system according to claim 7, further comprising a heat exchange mechanism (12), a water supply pipe (13) and a water supply pump (14); the bottom of the cabinet body (1) is provided with a liquid outlet communicated with the heat dissipation cavity (101), the liquid outlet is communicated with a fluid inlet of the heat exchange mechanism (12), a fluid outlet of the heat exchange mechanism (12) is communicated with the cold water tank (10) through the water feeding pipe (13), and the water feeding pump (14) is connected to the water feeding pipe (13).

9. The heat dissipation system according to claim 8, wherein the heat exchange mechanism (12) comprises:

a hot water tank (121) having the fluid inlet and the fluid outlet;

a plurality of first heat radiating fins (122) which are arranged in the hot water tank (121) at intervals;

a plurality of second heat radiating fins (123) which are arranged outside the hot water tank (121) at intervals;

one end of the heat conduction pipe (124) is extended into the cold water tank (10) and is sequentially connected with a plurality of first radiating fins (122); the other end is arranged outside the hot water tank (121) and is sequentially connected with a plurality of second radiating fins (123).

10. The heat dissipation system according to any one of claims 2 to 5 or 8 to 9, further comprising a chimney (102) provided at the heat dissipation port and located at the top end of the cabinet body (1); the air inlet channel (8) is arranged at the bottom of the cabinet body (1);

and/or, the first power mechanism (5) comprises a driving motor (51), a first gear (52) and a second gear (53), the driving motor (51) is fixedly connected to the bottom of the cabinet body (1), the first gear (52) is fixedly sleeved on the periphery of a power output shaft of the driving motor (51), the second gear (53) is sleeved on the periphery of the spraying mechanism (2), and the first gear (52) is meshed with the second gear (53);

and/or, a plurality of third radiating fins (41) are arranged on the heat conducting plate (4) at intervals along the circumferential direction, the tops of the third radiating fins (41) are fixedly connected with the top of the chassis, and the third radiating fins (41) extend along the radial direction of the heat conducting plate (4).