CN112377464A - High-speed magnetic suspension fan casing with high-efficient heat dissipation heat transfer function - Google Patents
High-speed magnetic suspension fan casing with high-efficient heat dissipation heat transfer function Download PDFInfo
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- CN112377464A CN112377464A CN202011257140.9A CN202011257140A CN112377464A CN 112377464 A CN112377464 A CN 112377464A CN 202011257140 A CN202011257140 A CN 202011257140A CN 112377464 A CN112377464 A CN 112377464A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
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Abstract
The invention provides a high-speed magnetic suspension fan casing with a high-efficiency heat dissipation and exchange function, which comprises a casing body, a heat dissipation inner casing, a heat dissipation outer casing, a circulating heat dissipation device, a quick heat dissipation device and a controller, wherein the heat dissipation inner casing is attached to the outer side surface of a stator of a high-speed magnetic suspension fan, a heat dissipation fin group is arranged on the outer side surface of the heat dissipation inner casing and comprises heat dissipation fins and a liquid distribution channel, a plurality of pipe holes are formed in the heat dissipation fins in a penetrating mode, the heat dissipation outer casing is connected to the outer side of the heat dissipation inner casing in a sealing mode, a fixed platform is arranged on the upper end surface of the heat dissipation outer casing, the circulating heat dissipation device comprises cooling liquid, a liquid delivery pump, a liquid distribution pipe, a liquid. In a word, the invention has the advantages of novel structure, convenient use, high heat dissipation efficiency and the like.
Description
Technical Field
The invention belongs to the technical field of mechanical equipment, and particularly relates to a high-speed magnetic suspension fan shell with efficient heat dissipation and heat exchange functions.
Background
The magnetic suspension fan is a mechanical device for conveying gas, and adopts core technologies such as a magnetic suspension bearing, a three-dimensional flow impeller, a high-speed permanent magnet synchronous motor, a high-efficiency frequency converter speed regulation, intelligent monitoring control and the like, when the magnetic suspension fan is started, the magnetic suspension fan is suspended firstly and then rotates, no friction and no lubrication are needed, the three-dimensional flow impeller and a rotor are directly connected, and zero transmission loss is realized. Is a high-tech green energy-saving environment-friendly product. The magnetic suspension fan adopts a magnetic suspension bearing without contact and mechanical friction and a high-speed high-power permanent magnet synchronous motor to directly drive the high-efficiency fluid impeller, overcomes the defects of the traditional air blower and the air suspension air blower, has the advantages of high efficiency, low noise, less faults, no need of a lubricating system and the like, and can still enable a rotor rotating at a high speed to be safely stopped by depending on a protection bearing in the system even if the magnetic suspension bearing breaks down, so that the equipment cannot be seriously damaged.
The magnetic suspension air blower is directly driven by a high-speed motor, the speed is regulated by a frequency converter, an active magnetic suspension bearing system is utilized, the magnetic suspension bearing rotating inside is subjected to non-contact and non-abrasion suspension support through controllable electromagnetic force, the magnetic suspension bearing is directly connected with an impeller, and zero transmission loss is realized, so that the effects of successfully conveying gas, no abrasion inside a machine, low noise, no need of lubrication and the like are achieved. The magnetic suspension bearing has the function of realizing the suspension of the rotating shaft. The position sensor detects the position signal of the rotating shaft, the signal is sent to the magnetic suspension bearing controller to be conditioned, operated and amplified to obtain control current, and the control current is input into the magnetic bearing to generate controllable suction to the rotor, so that the suspension of the rotating shaft is realized. The function of a synchronous permanent magnet machine is to drive the rotation of the rotor shaft. The variable frequency power supply generates alternating current with adjustable frequency, and the alternating current is input into a motor stator to generate a rotating magnetic field to drive a rotating shaft to rotate at a high speed. The function of the fan is to realize air blowing. The impeller rotating at high speed along with the rotating shaft drives air to enter from the air inlet of the volute, the air becomes gas with certain flow velocity and pressure under the guiding and pressurizing effects of the volute, and finally the gas is blown out from the air outlet of the volute, so that the blowing of the fan is realized.
Although the magnetic suspension fan reduces friction and heat generation of the bearing, the problem to be solved by the magnetic suspension fan is that how to efficiently convert and discharge generated heat because the magnetic suspension fan generates a large amount of heat due to high-speed rotation in the operation process.
Disclosure of Invention
Aiming at the existing problems, the invention provides a high-speed magnetic suspension fan shell with a high-efficiency heat dissipation and heat exchange function.
The technical scheme of the invention is as follows: a high-speed magnetic suspension fan casing with high-efficiency heat dissipation and heat exchange functions mainly comprises a casing body, a heat dissipation inner casing, a heat dissipation outer casing, a circulating heat dissipation device, a rapid heat dissipation device and a controller,
the radiating inner shell is attached to the outer side surface of the stator of the high-speed magnetic suspension fan, a radiating fin group is arranged on the outer side surface of the radiating inner shell and comprises radiating fins which are uniformly connected to the radiating inner shell, a liquid distribution channel is reserved at the upper end of each radiating fin group, a micro liquid channel is reserved between every two adjacent radiating fins, and a plurality of pipe holes are formed in the radiating fins in a penetrating mode,
the heat dissipation outer shell is hermetically covered on the outer side of the heat dissipation inner shell, a hollow cavity is arranged between the heat dissipation outer shell and the heat dissipation inner shell, a fixed platform is arranged on the upper end face of the heat dissipation outer shell,
the circulating heat radiation device comprises cooling liquid filled in the hollow cavity and used for conducting heat of the heat radiation fins, an infusion pump arranged above the left side of the heat radiation shell and used for conveying the cooling liquid to the hollow cavity, a liquid distribution pipe arranged in the liquid distribution channel and communicated with the infusion pump, a liquid pump arranged below the right side of the heat radiation shell and used for taking out the cooling liquid at the bottom of the hollow cavity, and a heat radiation row and a cooling row which are arranged on the fixed platform at intervals,
an air suction opening is reserved between the heat dissipation row and the cooling row and used for sucking external cooling air to cool the heat dissipation row,
the rapid heat dissipation device comprises two groups of water distribution pipes in a shape of Chinese character 'hui', each group of water distribution pipes in a shape of Chinese character 'hui' comprises a plurality of water distribution pipes which are respectively arranged in the pipe holes in a penetrating way, the water distribution pipes in the same group are mutually connected, a water inlet valve is arranged at the water inlet of the water distribution pipe at the uppermost end of the two groups of water distribution pipes in a shape of Chinese character 'hui', the water inlet valve is connected with an external water source, the water outlet of the water distribution pipe at the lowermost end of,
the controller sets up in the heat dissipation shell front side, and the controller is including setting up the temperature sensor who is used for monitoring the coolant liquid temperature on the cavity inside wall for start quick heat abstractor through the controller and cool down the heat dissipation when coolant liquid temperature is higher than the upper limit value, the controller still through the relay with circulation heat abstractor connects.
Furthermore, a space is reserved between the outer side edge of the radiating fin group and the inner wall of the radiating shell, so that the radiating fins are prevented from contacting with the radiating shell, and heat is directly conducted to the radiating shell.
Further, the liquid distribution pipe downside is equipped with two rows of cloth liquid mouths that little liquid way corresponds, the liquid outlet of cloth liquid mouth is located little liquid way for evenly let in the coolant liquid in the little liquid way, make every little liquid way homoenergetic by evenly adding the coolant liquid, avoid the little liquid way of distal end to obtain the coolant liquid.
Furthermore, a plurality of radiating pipes connected in a zigzag shape are arranged in the radiating row, radiating fins are arranged on the outer side of each radiating pipe in a surrounding manner, liquid inlets of the radiating pipes are connected with the liquid pump through liquid outlet pipes, suction fans used for sucking hot air in the radiating fins are arranged on the outer side surfaces of the radiating rows,
be equipped with many cooling tubes that are the shape of returning and connect in the cooling row, the cooling tube outside surrounding type is equipped with the cooling fin, the inlet of cooling tube with the liquid outlet of cooling tube is connected, the liquid outlet of cooling tube with the transfer pump passes through the transfer line and connects, and the cooling row lateral surface is equipped with the fan of blowing that is arranged in blowing cooling air to the cooling fin, arranges the interval setting through arranging the heat dissipation with the cooling to set up the suction fan and the fan of blowing dispels the heat simultaneously, improve the radiating efficiency.
Furthermore, the rotating speed of the suction fan is greater than that of the blowing fan, and air pressure difference is formed in the suction opening, so that cooling air is sucked in through the suction opening, the introduction amount of external cooling air is increased, and the cooling efficiency is improved.
Furthermore, the air suction opening is provided with a filter pad for filtering impurities in the sucked air, so that the phenomenon that the impurities in the air are accumulated on the radiating fins to cause blockage and influence on the radiating efficiency of the radiating fins is avoided.
Furthermore, the surface of the controller is provided with a display screen for displaying the temperature of the cooling liquid in the hollow cavity, and the temperature of the cooling liquid in the hollow cavity is known during monitoring or overhauling.
The working principle of the invention is as follows: the casing is arranged outside a stator of a high-speed magnetic suspension fan, the front side and the rear side of the casing are respectively connected with a volute and a rear cover in a sealing manner, heat generated by the magnetic suspension fan in the operation process is absorbed and conducted by a heat dissipation inner shell, the heat is conducted to cooling liquid in a hollow cavity through heat dissipation fins of the heat dissipation inner shell, the cooling liquid moves from top to bottom in a micro liquid channel, the heat on the heat dissipation fins is absorbed in the moving process, the cooling liquid after absorbing the heat is pumped into a heat dissipation bank by a liquid pump, the cooling liquid moves in the heat dissipation bank, the heat is absorbed and dispersed by cooling fins, the heat of cooling fins is taken away by cooling air transmitted by an air suction fan, the cooling liquid after primary heat dissipation is transmitted into the cooling bank, the cooling liquid moves in the cooling tube, the heat is absorbed and dispersed by the cooling fins, the heat of the cooling air blown by an air blowing, when the temperature sensor detects that the temperature of the cooling liquid in the hollow cavity rises to the upper limit value, the detection signal is transmitted to the controller, the controller controls the water inlet valve of the rapid heat dissipation device to be opened, the water inlet valve leads cooling water into the loop-shaped water distribution pipe from top to bottom, and the heat of the cooling liquid is removed through the cooling water to perform rapid heat dissipation.
The invention has the beneficial effects that: the invention provides a high-speed magnetic suspension fan shell with high-efficiency heat dissipation and heat exchange functions, which is particularly suitable for heat dissipation of a magnetic suspension fan in a long-time working state, a heat dissipation inner shell is arranged on the outer side of a stator of the magnetic suspension fan, a plurality of heat dissipation fins are arranged on the heat dissipation inner shell, heat in the magnetic suspension fan is conducted into a hollow cavity through the heat dissipation inner shell, cooling liquid is filled in the hollow cavity, the cooling liquid absorbs the heat conducted by the magnetic suspension fan in the hollow cavity and then is transmitted to a heat dissipation row and a cooling row through a circulating heat dissipation device, the heat absorbed by the cooling liquid is dissipated through flowing air, the cooled cooling liquid is recirculated into the hollow cavity for heat absorption, meanwhile, a circular liquid temperature distribution pipe of a quick heat dissipation device is arranged in the hollow cavity, and when the temperature in the hollow cavity rises to an upper limit, and cooling water is introduced into the hollow cavity through the water inlet valve, and high-temperature cooling liquid in the hollow cavity is efficiently radiated through the cooling water. In a word, the invention has the advantages of novel structure, convenient use, high heat dissipation efficiency and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the heat dissipation inner casing of the present invention;
FIG. 3 is a left side view of the heat sink inner shell of the present invention;
FIG. 4 is a schematic view of the fixed platform configuration of the present invention;
FIG. 5 is a schematic view of a liquid distribution tube configuration of the present invention;
FIG. 6 is a schematic view of a heat dissipation device of the present invention;
FIG. 7 is a schematic view of the cooling array configuration of the present invention;
FIG. 8 is a left side view of the three-dimensional structure of the square water distributor of the present invention;
FIG. 9 is a right side view of the three-dimensional structure of the square water distributor of the present invention;
FIG. 10 is a schematic view of the position structure of the heat dissipation fins and the water distribution pipes of the present invention.
Wherein, 1-machine shell body, 2-radiating inner shell, 21-radiating fin group, 211-radiating fin, 212-micro liquid channel, 22-liquid distribution channel, 23-pipe hole, 3-radiating outer shell, 31-hollow cavity, 32-fixed platform, 4-circulation radiating device, 41-cooling liquid, 42-infusion pump, 43-liquid distribution pipe, 431-liquid distribution nozzle, 44-liquid extraction pump, 45-radiating exhaust, 451-radiating pipe, 452-radiating fin, 453-suction fan, 46-cooling exhaust, 461-cooling pipe, 462-cooling fin, 463-fan, 47-liquid outlet pipe, 48-infusion pipe, 49-suction inlet, 491-filter pad, 5-quick radiating device, 51-zigzag water distribution pipe, 511-a water distribution pipe, 52-a water inlet valve, 6-a controller, 61-a temperature sensor and 62-a display screen.
Detailed Description
For the understanding of the technical solution of the present invention, the following description is further illustrated with reference to fig. 1 to 10 and specific examples, which are not intended to limit the scope of the present invention.
Example (b): as shown in figure 1, a high-speed magnetic suspension fan casing with high-efficiency heat dissipation and heat exchange functions mainly comprises a casing body 1, a heat dissipation inner casing 2, a heat dissipation outer casing 3, a circulating heat dissipation device 4, a rapid heat dissipation device 5 and a controller 6,
the heat dissipation inner shell 2 is attached to the outer side surface of the stator of the high-speed magnetic suspension fan, as shown in fig. 2-3, a heat dissipation fin group 21 is arranged on the outer side surface of the heat dissipation inner shell 2, the heat dissipation fin group 21 comprises heat dissipation fins 211 uniformly connected to the heat dissipation inner shell 2, a liquid distribution channel 22 is left at the upper end of the heat dissipation fin group 21, a micro liquid channel 212 is left between adjacent heat dissipation fins 211, and a plurality of tube holes 23 are arranged on the heat dissipation fins 211 in a penetrating manner,
the heat dissipation outer shell 3 is hermetically covered on the outer side of the heat dissipation inner shell 2, a hollow cavity 31 is arranged between the heat dissipation outer shell 3 and the heat dissipation inner shell 2, a space is left between the outer edge of the heat dissipation fin group 21 and the inner wall of the heat dissipation outer shell 3, a fixed platform 32 is arranged on the upper end surface of the heat dissipation outer shell 3, as shown in figure 4,
the circulation heat sink 4 includes a cooling liquid 41 filled in the hollow cavity 31 for conducting heat of the heat dissipating fins 211, an infusion pump 42 disposed above the left side of the heat dissipating housing 3 for delivering the cooling liquid to the hollow cavity 31, a liquid distribution pipe 43 disposed in the liquid distribution passage 22 and communicated with the infusion pump 42, an extraction pump 44 disposed below the right side of the heat dissipating housing 3 for extracting the cooling liquid at the bottom of the hollow cavity 31, and a heat dissipating bank 45 and a cooling bank 46 mounted on the fixed platform 32 at intervals,
as shown in fig. 5, two rows of liquid distribution nozzles 431 corresponding to the micro liquid channel 212 are disposed at the lower side of the liquid distribution pipe 43, the liquid outlets of the liquid distribution nozzles 431 are located in the micro liquid channel 212, and are used for uniformly introducing the cooling liquid 41 into the micro liquid channel 212,
as shown in fig. 6, a plurality of heat dissipation pipes 451 connected in a zigzag shape are disposed in the heat dissipation bar 45, heat dissipation fins 452 are disposed around the outside of the heat dissipation pipes 451, liquid inlets of the heat dissipation pipes 451 are connected to the liquid pump 44 through liquid outlets 47, suction fans 453 for sucking out hot air inside the heat dissipation fins 452 are disposed on the outside of the heat dissipation bar 45,
as shown in fig. 7, a plurality of cooling pipes 461 connected in a zigzag shape are provided in the cooling bank 46, a cooling fin 462 is provided to surround the outside of the cooling pipes 461, a liquid inlet of the cooling pipes 461 is connected to a liquid outlet of the heat radiating pipe 451, a liquid outlet of the cooling pipes 461 is connected to the liquid delivering pump 42 via the liquid delivering pipe 48, a blowing fan 463 for blowing cooling air into the cooling fin 462 is provided to the outside of the cooling bank 46,
an air suction opening 49 is reserved between the heat dissipation row 45 and the cooling row 46, the air suction opening 49 is used for sucking external cooling air to cool the heat dissipation row 45, a filter pad 491 used for filtering impurities in the sucked air is arranged on the air suction opening 49,
the rotation speed of the suction fan 453 is greater than that of the blowing fan 463 to form an air pressure difference in the suction port 49, thereby sucking cooling air through the suction port 49,
as shown in fig. 8-9, the rapid heat dissipation device 5 includes two sets of water distribution pipes 51, each set of water distribution pipes 51 includes a plurality of water distribution pipes 511 respectively penetrating through the pipe holes 23, as shown in fig. 10, the water distribution pipes 511 of the same set are connected with each other, a water inlet valve 52 is installed at a water inlet of the water distribution pipe 511 at the uppermost end of each set of water distribution pipes 51, the water inlet valve 52 is connected with an external water source, a water outlet of the water distribution pipe 511 at the lowermost end of each set of water distribution pipes 51 is connected with a hot water recycling device,
the controller 6 is arranged at the front side of the heat dissipation shell 3, the controller 6 comprises a temperature sensor 61 which is arranged on the inner side wall of the hollow cavity 31 and used for monitoring the temperature of the cooling liquid 41, the temperature sensor is used for starting the rapid heat dissipation device 5 through the controller 6 to dissipate heat and reduce temperature when the temperature of the cooling liquid 41 is higher than an upper limit value, the controller 6 is also connected with the circulating heat dissipation device 4 through a relay, a display screen 62 used for displaying the temperature of the cooling liquid 41 in the hollow cavity 31 is arranged on the surface of the controller 6,
the electronic components are not specially designated, and common products sold in the market can be selected as long as the use requirements of the electronic components can be met.
The working method of the above embodiment is as follows: the machine shell 1 is arranged outside a stator of a high-speed magnetic suspension fan, the front side and the rear side of the machine shell 1 are respectively connected with a volute and a rear cover in a sealing manner, heat generated by the magnetic suspension fan in the operation process is absorbed and conducted by a radiating inner shell 2, the heat is conducted to cooling liquid 41 in a hollow cavity 31 through radiating fins 211 of the radiating inner shell 2, the cooling liquid 41 moves from top to bottom in a micro liquid channel 212, the heat on the radiating fins 211 is absorbed in the moving process, the cooling liquid 41 after absorbing the heat is pumped into a radiating row 45 through a liquid pump 44, the cooling liquid 41 moves in a radiating pipe 451, the heat is absorbed and dispersed by radiating fins 452, then the heat of the radiating fins 452 is taken away by cooling air transmitted by an air suction fan 453, the cooling liquid 41 after primary radiating is transmitted into a cooling row 46, the cooling liquid 41 moves in a cooling pipe 461, the heat is absorbed and dispersed by the cooling fins 462, and then the heat of the cooling air blown by a blowing, the cooled cooling liquid 41 is circularly transmitted into the hollow cavity 31 through the infusion pump 42 for circular heat dissipation, when the temperature sensor 62 detects that the temperature of the cooling liquid 41 in the hollow cavity 31 rises to the upper limit value, a detection signal is transmitted to the controller 6, the controller 6 controls the opening of the water inlet valve 52 of the rapid heat dissipation device 5, the water inlet valve 52 introduces cooling water into the loop-shaped water distribution pipe 51 from top to bottom, and the heat of the cooling liquid 41 is taken away through the cooling water for rapid heat dissipation.
Claims (7)
1. A high-speed magnetic suspension fan casing with high-efficiency heat dissipation and heat exchange functions is characterized by mainly comprising a casing body (1), a heat dissipation inner casing (2), a heat dissipation outer casing (3), a circulating heat dissipation device (4), a rapid heat dissipation device (5) and a controller (6),
the radiating inner shell (2) is attached to the outer side surface of a stator of the high-speed magnetic suspension fan, a radiating fin group (21) is arranged on the outer side surface of the radiating inner shell (2), the radiating fin group (21) comprises radiating fins (211) which are uniformly connected to the radiating inner shell (2), a liquid distribution channel (22) is reserved at the upper end of the radiating fin group (21), micro liquid channels (212) are reserved between adjacent radiating fins (211), and a plurality of tube holes (23) are arranged on the radiating fins (211) in a penetrating manner,
the heat dissipation outer shell (3) is hermetically covered on the outer side of the heat dissipation inner shell (2), a hollow cavity (31) is arranged between the heat dissipation outer shell (3) and the heat dissipation inner shell (2), a fixed platform (32) is arranged on the upper end face of the heat dissipation outer shell (3),
the circulation heat dissipation device (4) is arranged in the cavity (31) including filling in the thermal coolant (41) of conduction radiating fin (211), setting are in heat dissipation shell (3) left side top is used for to the transfer pump (42) of cavity (31) transport coolant, set up in cloth liquid passageway (22) and with cloth liquid pipe (43) of transfer pump (42) intercommunication, set up and be in heat dissipation shell (3) right side below is used for installing drawing out the drawing pump (44) and the interval of cavity (31) bottom coolant liquid and heat dissipation row (45) and cooling row (46) on fixed platform (32),
an air suction opening (49) is reserved between the heat dissipation row (45) and the cooling row (46), the air suction opening (49) is used for sucking external cooling air to cool the heat dissipation row (45),
the rapid heat dissipation device (5) comprises two groups of water distribution pipes (51), each group of water distribution pipes (51) comprises a plurality of water distribution pipes (511) which are respectively arranged in the pipe holes (23) in a penetrating way, the water distribution pipes (511) in the same group are mutually connected, a water inlet valve (52) is arranged at a water inlet of the water distribution pipe (511) at the uppermost end of each group of water distribution pipes (51), the water inlet valve (52) is connected with an external water source, a water outlet of the water distribution pipe (511) at the lowermost end of each group of water distribution pipes (51) is connected with a hot water recovery device,
controller (6) set up in heat dissipation shell (3) front side, and controller (6) are used for monitoring temperature sensor (61) of coolant liquid (41) including setting up on cavity (31) inside wall for start quick heat abstractor (5) through controller (6) when coolant liquid (41) temperature is higher than the upper limit value and dispel the heat the cooling, controller (6) still through the relay with circulation heat abstractor (4) are connected.
2. The casing of the high-speed magnetic suspension fan with the function of efficient heat dissipation and heat exchange as claimed in claim 1, wherein a distance is left between the outer edge of the heat dissipation fin group (21) and the inner wall of the heat dissipation casing (3).
3. The casing of the high-speed magnetic suspension blower with high-efficiency heat dissipation and heat exchange functions as claimed in claim 2, wherein a plurality of heat dissipation pipes (451) connected in a zigzag manner are arranged in the heat dissipation bar (45), heat dissipation fins (452) are arranged on the outer sides of the heat dissipation pipes (451) in a surrounding manner, liquid inlets of the heat dissipation pipes (451) are connected with the liquid pump (44) through liquid outlet pipes (47), suction fans (453) for sucking out hot air inside the heat dissipation fins (452) are arranged on the outer side surfaces of the heat dissipation bar (45),
be equipped with many cooling tubes (461) that are the shape of returning and connect in cooling row (46), cooling tube (461) outside surrounding type is equipped with cooling fin (462), the inlet of cooling tube (461) with the liquid outlet of cooling tube (451) is connected, the liquid outlet of cooling tube (461) with transfer pump (42) pass through transfer line (48) and connect, and cooling row (46) lateral surface is equipped with and is arranged in blowing fan (463) of blowing cooling air to cooling fin (462).
4. The casing of the high-speed magnetic suspension blower with high-efficiency heat dissipation and exchange functions as claimed in claim 3, wherein the rotation speed of the suction fan (453) is greater than that of the blowing fan (463), so that an air pressure difference is formed in the suction opening (49) to suck cooling air through the suction opening (49).
5. The casing of the high-speed magnetic suspension fan with high-efficiency heat dissipation and exchange functions as claimed in claim 4, wherein the air suction opening (49) is provided with a filter pad (491) for filtering impurities in the sucked air.
6. The casing of the high-speed magnetic suspension fan with the function of efficient heat dissipation and heat exchange of claim 5, characterized in that the surface of the controller (6) is provided with a display screen (62) for displaying the temperature of the cooling liquid (41) in the hollow cavity (31).
7. The casing of the high-speed magnetic suspension fan with the function of efficient heat dissipation and heat exchange of claim 5, wherein a display screen (62) is arranged on the surface of the controller (6).
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