CN116566121A - Motor cooling structure of air suspension centrifugal fan - Google Patents
Motor cooling structure of air suspension centrifugal fan Download PDFInfo
- Publication number
- CN116566121A CN116566121A CN202310518714.0A CN202310518714A CN116566121A CN 116566121 A CN116566121 A CN 116566121A CN 202310518714 A CN202310518714 A CN 202310518714A CN 116566121 A CN116566121 A CN 116566121A
- Authority
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- China
- Prior art keywords
- cooling
- air
- cavity
- centrifugal fan
- suspension centrifugal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 86
- 239000000725 suspension Substances 0.000 title claims abstract description 42
- 239000000110 cooling liquid Substances 0.000 claims abstract description 46
- 230000000694 effects Effects 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 78
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 52
- 239000007788 liquid Substances 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 30
- 229910052757 nitrogen Inorganic materials 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 4
- 210000003437 trachea Anatomy 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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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
- F04D29/5806—Cooling the drive system
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention relates to the technical field of air suspension centrifugal fans, in particular to a motor cooling structure of an air suspension centrifugal fan, which comprises a base, a suspension centrifugal fan body and a cooling liquid supply assembly, wherein the suspension centrifugal fan body and the cooling liquid supply assembly are arranged on the base; meanwhile, the rotating shaft drives the fan blades to rotate while rotating, a convection space is formed by the fan blades and the net sheets, so that the air circulation inside the shell is accelerated, the heat inside the shell is blown out of the shell from the net sheets, and the heat dissipation rate of the motor part can be accelerated by utilizing flowing cooling liquid and wind generated by rotation of the fan blades, so that the heat dissipation effect of the motor part is improved.
Description
Technical Field
The invention belongs to the technical field of air suspension centrifugal fans, and particularly relates to a motor cooling structure of an air suspension centrifugal fan.
Background
The air suspension centrifugal fan is characterized in that an output shaft of a motor is assembled on two air bearings, the outer diameter of the output shaft is smaller than the inner diameter of the air bearings, an air film gap is reserved between the output shaft and the air bearings, and the output shaft naturally falls on the air bearings before starting to work; after starting to work, the output shaft starts to rotate, surrounding air is driven to rotate along with the output shaft, the flow speed is high enough, the pressure is high enough, and air flows between the output shaft and the air bearing, so that the output shaft can break away from contact with the air bearing, and the output shaft rotates while being suspended, and when the rotating speed of the output shaft is within a certain range, the output shaft can always suspend.
Since the air suspension centrifugal fan emits a large amount of heat during operation, if the heat cannot be timely discharged, the machine may be burnt out.
Through retrieving, chinese patent document application number is 202010774852.1, discloses an air suspension centrifugal fan's motor cooling structure, including quick-witted case, motor, compressor and cooling part, cooling part set up in one side of compressor, cooling part includes cooling tank, windward side bucket, water tank, cooling tube, liquid nitrogen jar, air exhauster, first pipe, second pipe, stirring wheel, solenoid valve, first wind scoop and shower nozzle. The compressor sucks air through the cooling part and performs filtering washing through a water tank in the cooling part to remove dust and impurities in the air. Meanwhile, air can be cooled when passing through the water tank, the air enters the cooling tank, liquid nitrogen in the liquid nitrogen tank is filled in the cooling tank, the air exchanges heat with the liquid nitrogen in a spiral roundabout mode, and the cooled air enters the compressor from the cooling pipe for compression cooling, so that the cooling effect is improved.
However, the above motor cooling structure still has the following drawbacks:
because the friction between the rotating shaft and the bearing can generate a large amount of heat when the motor works, the cooling structure only carries out a heat exchange mode on the motor through cold air, so that the heat dissipation rate of the heat inside the motor is low, the overall heat dissipation effect of the motor is reduced, and therefore, the motor cooling structure of the air suspension centrifugal fan is required to be provided for solving the problems.
Disclosure of Invention
The invention provides a motor cooling structure of an air suspension centrifugal fan, which comprises a base, a suspension centrifugal fan body and a cooling liquid supply assembly, wherein the suspension centrifugal fan body and the cooling liquid supply assembly are arranged on the base, the suspension centrifugal fan body comprises a motor part, a connecting part and a volute part, and the motor part is connected with the volute part through the connecting part;
the motor part comprises a shell and a rotating shaft rotatably connected to one end of the shell, a cooling cavity is formed in the side wall of the shell, one end of the cooling liquid supply assembly is communicated with a water pump, two opposite sides of the cooling cavity are respectively communicated with one end of the cooling liquid supply assembly and one end of the water pump through water pipes, a fan blade is fixed on the outer wall of one end of the rotating shaft, the fan blade is located in the shell, a plurality of heat conducting blocks are mounted on the inner wall of the shell at equal distance and are in contact with metal parts in the shell, and a net piece is embedded at one end of the shell opposite to the rotating shaft; the rotating shaft drives the fan blades to rotate while rotating, and a convection space is formed by the fan blades and the net sheets, so that air in the shell is blown out of the shell.
Further, the cooling cavity comprises a cylindrical part and a protruding part with a Z-shaped side surface section, the outer wall of the rotating shaft is provided with a bearing, the outer wall of the outer ring of the bearing is embedded at one end of the shell, the protruding part is positioned between the bearing and the fan blade, a gap smaller than 0.5mm is reserved between the inner wall of the protruding part and the outer wall of the rotating shaft, the inner wall of the cylindrical part is connected with the outer wall of the outer ring of the bearing, and a gap smaller than 0.5mm is reserved between one end of the bearing and one end of the protruding part.
Further, the cooling liquid supply assembly comprises a box body and a box cover covered at the upper end of the box body, a water return cavity and a water storage cavity with an L-shaped side face are arranged in the box body, the water return cavity is communicated with the water storage cavity, a cooling mechanism is arranged in the side wall of the box body, a water outlet pipe is communicated with one side of the water storage cavity, one end of the water outlet pipe is communicated with the other end of the water pump, one side of the water return cavity is communicated with the cooling cavity through a water pipe, and connecting holes for communicating water supply pipes are formed in two opposite sides of the shell.
Further, the cooling mechanism comprises a liquid nitrogen storage cavity, the liquid nitrogen storage cavity is positioned at the periphery and the bottom of the box body, a liquid nitrogen adding port is formed in the upper end of the liquid nitrogen storage cavity, and a plug cover is plugged in the liquid nitrogen adding port.
Further, still include the forced air cooling subassembly, the forced air cooling subassembly includes air compressor and gas transmission chamber, the gas transmission chamber is located the inside of connecting portion, air compressor's one end is through trachea and gas transmission chamber intercommunication.
Further, the connecting portion comprises a cylindrical connecting pipe, the gas transmission cavity is located inside the side wall of the connecting pipe, the gas transmission cavity comprises an air inlet cavity and a spiral transmission cavity channel, one end of each transmission cavity channel is communicated with the inside of the air inlet cavity, the other end of each transmission cavity channel is provided with an air outlet mesh, the transmission cavity channels are uniformly wound in the side wall of the connecting pipe, and an air inlet hole communicated with an air pipe is formed in one side of the air inlet cavity.
Further, the motor part is located on the first support component, the second support component is embedded on the upper surface of the base in a sliding mode, the volute part is located on the second support component, the second support component is connected with the base through an adjusting mechanism, and the position of the second support component can be adjusted through the adjusting mechanism.
Further, the first supporting component comprises a supporting block, a first arc-shaped groove with one open side is formed in the upper surface of the supporting block, a first rubber sheet is glued in the first arc-shaped groove, a plurality of ventilation holes are formed in one side, opposite to the open side, of the first arc-shaped groove, and a plurality of through holes are arranged in a semicircular array.
Further, the second supporting component comprises a supporting plate, the recess that supplies adjustment mechanism and backup pad installation is seted up to the upper surface of base, the backup pad is located adjustment mechanism, the upper surface of backup pad is provided with one side open second arc wall, just the open side of first arc wall is relative setting with the open side of second arc wall, the inside in second arc wall is glued and is had the second sheet rubber, the lower extreme of spiral case portion is located the second sheet rubber.
Further, still include can be to fixed subassembly of connecting portion centre gripping, fixed subassembly includes fixed plate and grip block, the fixed plate is fixed at the upper surface of base, just the fixed plate is located between first supporting component and the second supporting component, the both ends of grip block are all connected with the upper end of fixed plate through connecting screw, just curved notch has all been seted up to the opposite one side of fixed plate and grip block.
The beneficial effects of the invention are as follows:
1. according to the invention, through the matching of the cooling liquid supply assembly and the motor part and the matching of the fan blades and the net sheets on the rotating shaft, when the suspension centrifugal fan body works, the water pump transmits cooling liquid supplied by the cooling liquid supply assembly into the cooling cavity, and then the cooling liquid flows back to the cooling liquid supply assembly through the water pipe, so that the cooling liquid in the cooling cavity is in a flowing state, and the heat in the shell is taken away by the flowing cooling liquid; meanwhile, the rotating shaft drives the fan blades to rotate while rotating, a convection space is formed by the fan blades and the net sheets, so that the air circulation inside the shell is accelerated, the heat inside the shell is blown out of the shell from the net sheets, and the heat dissipation rate of the motor part can be accelerated by utilizing flowing cooling liquid and wind generated by rotation of the fan blades, so that the heat dissipation effect of the motor part is improved.
2. According to the invention, through the arrangement of the cooling liquid supply assembly, when cooling liquid is supplied, the cooling water in the water storage cavity is pumped by the water pump, the pumped cooling water is conveyed to the inside of the cooling cavity through the water pipe at one side of the shell, and then flows back to the inside of the water return cavity through the water pipe at the other side of the shell for cooling, so that the cooling liquid in the cooling cavity is convenient to treat the flowing state, the cooling liquid can be recycled, and the using amount of the cooling liquid is saved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a side schematic of an embodiment of the present invention;
FIG. 2 shows a schematic diagram of another side structure according to an embodiment of the present invention;
fig. 3 shows a schematic view of the internal structure of a motor section according to an embodiment of the present invention;
FIG. 4 shows an enlarged schematic view of the structure of FIG. 3 at A in accordance with an embodiment of the invention;
FIG. 5 shows a schematic diagram of a connection structure according to an embodiment of the invention;
FIG. 6 shows a schematic diagram of a gas delivery chamber structure according to an embodiment of the invention;
FIG. 7 shows a schematic diagram of a coolant supply assembly according to an embodiment of the invention;
FIG. 8 shows a schematic diagram of the internal structure of a tank according to an embodiment of the present invention;
FIG. 9 shows a schematic view of a first support assembly, a second support assembly and a securing assembly according to an embodiment of the present invention;
fig. 10 shows a schematic view of a first support assembly structure according to an embodiment of the present invention.
In the figure: 1. a base; 2. a suspension centrifugal fan body; 201. a motor section; 2011. a housing; 2012. a cooling chamber; 20121. a cylindrical portion; 20122. a boss; 2013. a rotating shaft; 2014. a bearing; 2015. a connection hole; 2016. a mesh sheet; 2017. a heat conduction block; 2018. a fan blade; 202. a connection part; 2021. a connecting pipe; 2022. air outlet meshes; 2023. an air inlet hole; 2024. an air inlet cavity; 2025. a transmission channel; 203. a volute section; 204. an air outlet pipe; 3. a water pump; 4. an air compressor; 5. a coolant supply assembly; 501. a case; 502. a case cover; 503. a plug cover; 504. a liquid nitrogen adding port; 505. a water storage chamber; 506. a water return cavity; 507. a liquid nitrogen storage chamber; 508. a filter screen; 509. a liquid outlet pipe; 6. a fixing assembly; 601. a fixing plate; 602. a clamping plate; 603. a connecting bolt; 604. a notch; 7. a first support assembly; 701. a support block; 702. a first arc-shaped groove; 703. a first rubber sheet; 704. a vent hole; 8. a second support assembly; 801. a support plate; 802. a second rubber sheet; 803. a second arc-shaped groove; 9. an adjusting mechanism; 901. a guide rod; 902. adjusting a screw; 903. an adjusting handle; 10. a wind speed detection assembly; 11. a water pipe; 12. and an air pipe.
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.
The embodiment of the invention provides a motor cooling structure of an air suspension centrifugal fan, which comprises a base 1, a suspension centrifugal fan body 2 and a cooling liquid supply assembly 5, wherein the suspension centrifugal fan body 2 and the cooling liquid supply assembly 5 are arranged on the base 1, universal wheels with self-locking functions are arranged at four corners of the lower surface of the base 1, the motor cooling structure can move at corresponding positions according to different using requirements, the suspension centrifugal fan body 2 comprises a motor part 201, a connecting part 202 and a volute part 203, the motor part 201 and the volute part 203 are connected through the connecting part 202, an air outlet pipe 204 is arranged on the volute part 203, an air speed detection assembly 10 is arranged on the air outlet pipe 204, and the air speed in the air pipe 204 is detected through the air speed detection assembly 10.
As shown in fig. 3 and 4, the motor 201 includes a housing 2011 and a rotating shaft 2013 rotatably connected to one end of the housing 2011, a cooling cavity 2012 is disposed in a side wall of the housing 2011, one end of the cooling liquid supply assembly 5 is communicated with a water pump 3, opposite sides of the cooling cavity 2012 are respectively communicated with the cooling liquid supply assembly 5 and one end of the water pump 3 through a water pipe 11, a fan blade 2018 is fixed on an outer wall of one end of the rotating shaft 2013, the fan blade 2018 is located in the housing 2011, a plurality of heat conducting blocks 2017 are equidistantly mounted on an inner wall of the housing 2011, the plurality of heat conducting blocks 2017 are in contact with metal components in the housing 2011, heat of the metal components is transmitted to the side wall of the housing 2011 through the heat conducting blocks 2017, then the cooling process is performed on the housing 2011 through flowing cooling liquid, the heat of the metal components is dissipated by using a heat conduction principle, the mesh 2016 is embedded at one end of the housing 2011 opposite to the rotating shaft 2013, when the suspension centrifugal fan body 2 works, the water pump 3 transmits the cooling liquid supplied by the cooling liquid supply assembly 5 into the cooling cavity 2012, and then flows back to the cooling liquid supply assembly 5 through the water pipe 11, so that the cooling liquid in the cooling cavity 2012 is in a flowing state, the flowing cooling liquid is utilized to take away the heat in the housing 2011, meanwhile, the rotating shaft 2013 drives the fan blade 2018 to rotate while rotating, a convection space is formed by the fan blade 2018 and the mesh 2016, the air circulation in the housing 2011 is accelerated, the heat in the housing 2011 is blown out of the mesh 2016, and the heat dissipation rate of the motor 201 can be accelerated by utilizing the flowing cooling liquid and wind generated by the rotation of the fan blade 2018, so that the heat dissipation effect on the motor 201 is improved.
As shown in fig. 4, the cooling cavity 2012 includes a cylindrical portion 20121 and a protruding portion 20122 with a Z-shaped side surface cross section, the bearing 2014 is mounted on an outer wall of the rotating shaft 2013, an outer ring outer wall of the bearing 2014 is embedded in one end of the housing 2011, the protruding portion 20122 is located between the bearing 2014 and the fan blade 2018, a gap smaller than 0.5mm is left between an inner wall of the protruding portion 20122 and an outer wall of the rotating shaft 2013, the rotating shaft 2013 is not directly contacted with the protruding portion 20122, friction between the rotating shaft 2013 and the protruding portion 20122 is effectively avoided, an inner wall of the cylindrical portion 20121 is connected with an outer wall of the bearing 2014, a gap smaller than 0.5mm is left between one end of the bearing 2014 and one end of the protruding portion 20122, the side wall of the bearing 2014 is close to the cooling cavity 2012, a part of the outer wall of the rotating shaft 2013 is also close to the cooling cavity 2012, and heat at the bearing 2014 can be effectively taken away in a cooling liquid flowing process in the cooling cavity 2012, so that a cooling effect on the rotating shaft 2013 and the bearing 2014 is improved.
As shown in fig. 7 and 8, the cooling liquid supply assembly 5 includes a tank 501 and a tank cover 502 covering the upper end of the tank 501, a water return cavity 506 and a water storage cavity 505 with an L-shaped side surface are disposed inside the tank 501, the water return cavity 506 is communicated with the inside of the water storage cavity 505, a cooling mechanism is disposed inside the side wall of the tank 501, one side of the water storage cavity 505 is communicated with a liquid outlet pipe 509, one end of the liquid outlet pipe 509 is communicated with the other end of the water pump 3, one side of the water return cavity 506 is communicated with the inside of the cooling cavity 2012 through a water pipe 11, two opposite sides of the housing 2011 are both provided with connecting holes 2015 communicated with the water supply pipe 11, the water stored in the water storage cavity 505 and the water return cavity 506 are cooled through the cooling mechanism, and when the cooling liquid is supplied, the cooling water in the water storage cavity 505 is pumped through the water pump 3, and is conveyed to the inside of the cooling cavity 2012 through the water pipe 11 on one side of the housing 2011, and then flows back to the inside of the cooling cavity 506 through the water pipe 11 on the other side of the housing 2011 to cool the inside of the cooling cavity 2012, so that the cooling liquid in the cooling cavity 2012 is convenient to flow.
The outer wall of one end of the water pipe 11 is provided with an external thread section, the side wall of the connecting hole 2015 is provided with an internal thread matched with the external thread section, so that one end of the water pipe 11 is conveniently connected inside the connecting hole 2015, and the convenience of connection of the water pipe 11 and the shell 2011 is improved.
As shown in fig. 8, the water storage cavity 505 includes a horizontal portion and a vertical portion, the water return cavity 506 is located above the horizontal portion, and a communication hole is formed in the bottom of the water return cavity 506 and is communicated with the horizontal portion, a filter screen 508 is fixed in the communication hole, impurities in the cooling liquid flowing out of the housing 2011 are filtered out through the filter screen 508, the liquid outlet pipe 509 is located at one side of the vertical portion away from the water return cavity 506, a backflow hole for communicating with the cooling cavity 2012 is formed in one side of the water return cavity 506, cooling water in the cooling cavity 2012 enters the interior of the water return cavity 506 through the backflow hole, and then enters the horizontal portion through the filter screen 508, flows into the vertical portion from the horizontal portion, and in the flowing process of the backflow cooling liquid, the cooling liquid is continuously supplied to the vertical portion through the cooling mechanism, so that the temperature of the cooling liquid flowing into the vertical portion is matched with the original temperature of the water storage cavity 505, and the cooling liquid in the tank 501 can be recycled, and the usage of the cooling liquid is saved.
The cooling mechanism comprises a liquid nitrogen storage cavity 507, the liquid nitrogen storage cavity 507 is positioned at the periphery and the bottom of the box body 501, a liquid nitrogen adding port 504 is formed in the upper end of the liquid nitrogen storage cavity 507, a plug cover 503 is plugged into the liquid nitrogen adding port 504, when cooling is performed, the plug cover 503 is pulled out, liquid nitrogen is added into the liquid nitrogen storage cavity 507 from the liquid nitrogen adding port 504, the low temperature of the liquid nitrogen is transmitted to water in the water storage cavity 505 and the water return cavity 506 by utilizing the heat conduction principle, so that the temperature of the water is reduced, and other liquid with a cooling effect can be stored in the liquid nitrogen storage cavity 507 to cool the water in the box body 501.
In order to improve the cooling effect on the whole suspension centrifugal fan body 2, as shown in fig. 1, an air cooling component is added at the connecting part 202, specifically, the suspension centrifugal fan further comprises an air cooling component, the air cooling component comprises an air compressor 4 and a gas transmission cavity, the gas transmission cavity is positioned in the connecting part 202, one end of the air compressor 4 is communicated with the gas transmission cavity through an air pipe 12, compressed cold air is supplied to the transmission cavity through the air compressor 4, and heat generated in the connecting part 202 is taken away by the cold air;
as shown in fig. 5 and fig. 6, the connection portion 202 includes a cylindrical connection tube 2021, the gas transmission cavity is located inside a side wall of the connection tube 2021, the gas transmission cavity includes an air inlet cavity 2024 and a spiral transmission cavity 2025, one end of each of the plurality of transmission cavities 2025 is communicated with the inside of the air inlet cavity 2024, the other end of each of the plurality of transmission cavities 2025 is provided with an air outlet mesh 2022, the plurality of transmission cavities 2025 are uniformly wound in a side wall of the connection tube 2021, an air inlet hole 2023 communicated with the air pipe 12 is formed in one side of the air inlet cavity 2024, compressed cold air enters the air inlet cavity 2024 through the air inlet hole 2023, is transmitted to the plurality of transmission cavities 2025 through the air inlet cavity 2024, and finally flows out through the air outlet mesh 2022, so that the heat inside the connection tube 2021 is transmitted to the side wall of the connection tube 2021 by means of heat conduction, the received heat is transmitted to the outside the connection tube 2021 through the air outlet mesh 2022, so that the cooling effect of the connection tube 202 is increased, and the cooling effect of the whole body is improved, and the cooling effect of the connection portion is improved by the connection portion 201.
In order to improve spacing and support to suspension centrifugal fan body 2, as shown in fig. 9, still include first supporting component 7 and the second supporting component 8 that have certain cushioning effect, first supporting component 7 is fixed at the upper surface of base 1, motor portion 201 is located first supporting component 7, second supporting component 8 slip embedment is at the upper surface of base 1, spiral case portion 203 is located second supporting component 8, just second supporting component 8 is connected with base 1 through adjustment mechanism 9, supports and spacing motor portion 201 through first supporting component 7, supports and spacing spiral case portion 203 through second supporting component 8.
As shown in fig. 10, the first support assembly 7 includes a support block 701, a first arc-shaped groove 702 with an opening at one side is formed in an upper surface of the support block 701, a first rubber sheet 703 is glued in an inner portion of the first arc-shaped groove 702, a plurality of ventilation holes 704 are formed in a side, opposite to the opening side, of the first arc-shaped groove 702, a plurality of ventilation holes are arranged in a semicircular array, the motor part 201 is placed on the first rubber sheet 703, the motor part 201 is limited by the first arc-shaped groove 702, a certain buffer space is provided for the motor part 201 by the first rubber sheet 703, and vibration amplitude generated during operation of the motor part 201 can be reduced, so that noise generated by the motor part 201 is reduced.
As shown in fig. 9, the second support assembly 8 includes a support plate 801, a groove for installing the adjusting mechanism 9 and the support plate 801 is provided on the upper surface of the base 1, the support plate 801 is located on the adjusting mechanism 9, a second arc-shaped groove 803 with one open side is provided on the upper surface of the support plate 801, the open side of the first arc-shaped groove 702 is opposite to the open side of the second arc-shaped groove 803, a second rubber sheet 802 is glued inside the second arc-shaped groove 803, the lower end of the volute 203 is located on the second rubber sheet 802, the position of the support plate 801 is adjusted by the adjusting mechanism 9, the volute 203 is limited by the second arc-shaped groove 803, a certain buffer space is provided for the volute 203 by the second rubber sheet 802, so that the suspension centrifugal fan body 2 has a certain damping effect on the volute 203 during operation, and the noise of the volute 203 is reduced.
The adjusting mechanism 9 comprises an adjusting screw 902 and two guide rods 901, the adjusting screw 902 is rotationally connected to the inside of the groove, the guide rods 901 are fixed to two sides of the adjusting screw 902, the supporting plates 801 are in threaded connection with the adjusting screw 902, two ends of the supporting plates 801 are respectively and slidably sleeved on the two guide rods 901, an adjusting handle 903 is arranged at one end of each adjusting screw 902, the adjusting screw 902 is rotated through the adjusting handle 903, the supporting plates 801 can horizontally move on the guide rods 901 through threaded matching of the supporting plates 801 and the adjusting screw 902, so that the positions of the supporting plates 801 are adjusted, when the suspended centrifugal fan bodies 2 with different sizes are used, the distance between the first supporting assemblies 7 and the second supporting assemblies 8 can be flexibly adjusted, and the device is suitable for installation and use of the suspended centrifugal fan bodies 2 with different sizes, so that the universality of the device is improved.
In order to improve the installation stability to suspension centrifugal fan body 2, as shown in fig. 9, still include can be to fixed subassembly 6 of connecting portion 202 centre gripping, fixed subassembly 6 includes fixed plate 601 and grip block 602, fixed plate 601 is fixed on the upper surface of base 1, just fixed plate 601 is located between first support subassembly 7 and the second support subassembly 8, the both ends of grip block 602 are all connected with the upper end of fixed plate 601 through connecting screw rod, just the curved notch 604 has all been seted up to opposite one side of fixed plate 601 and grip block 602, two connecting bolt 603 are located the both sides of notch 604 respectively, just all seted up the screw that supplies connecting bolt 603 to connect on fixed plate 601 and the splint, when suspension centrifugal fan body 2 is installed, firstly place motor portion 201 and volute portion 203 respectively on first support subassembly 7 and second support subassembly 8, the lower extreme of connecting portion 202 is located the notch 604 of fixed plate 601 this moment, places the notch 604 department of grip block 602 in the upper end of connecting portion 202, and finally through connecting bolt 603 with grip block 602 with the connecting portion 602 can be with the different fixed position of connecting portion 202 through connecting bolt 603 and the different fixed position of connecting portion 602, thereby can improve the stability of the fan body 2 and prevent the connection of connecting portion 2.
It should be noted that, the wind speed detection assembly is a wind detection device disclosed in the prior art, (application number 202021365063.4, discloses an air suspension fan wind power self-adaptive adjustment device, and the wind detection device disclosed in the device) and will not be described in detail herein.
Although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a motor cooling structure of air suspension centrifugal fan which characterized in that: the centrifugal fan comprises a base (1), and a suspension centrifugal fan body (2) and a cooling liquid supply assembly (5) which are arranged on the base (1), wherein the suspension centrifugal fan body (2) comprises a motor part (201), a connecting part (202) and a volute part (203), and the motor part (201) is connected with the volute part (203) through the connecting part (202);
the motor part (201) comprises a shell (2011) and a rotating shaft (2013) rotatably connected to one end of the shell (2011), a cooling cavity (2012) is formed in the side wall of the shell (2011), one end of the cooling liquid supply assembly (5) is communicated with a water pump (3), two opposite sides of the cooling cavity (2012) are respectively communicated with the cooling liquid supply assembly (5) and one end of the water pump (3) through water pipes (11), a fan blade (2018) is fixed to the outer wall of one end of the rotating shaft (2013), the fan blade (2018) is located inside the shell (2011), a plurality of heat conducting blocks (2017) are mounted on the inner wall of the shell (2011) at equal intervals, the heat conducting blocks (2017) are in interference with metal parts in the shell (2011), and a mesh (2016) is embedded at one end, opposite to the rotating shaft (2013), of the mesh (2015); the rotating shaft (2013) drives the fan blades (2018) to rotate while rotating, a convection space is formed between the fan blades (2018) and the mesh (2016), and air in the shell (2011) is blown out of the shell (2011).
2. The motor cooling structure of an air suspension centrifugal fan according to claim 1, wherein: the cooling cavity (2012) comprises a cylindrical portion (20121) and a protruding portion (20122) with a Z-shaped side surface section, a bearing (2014) is installed on the outer wall of the rotating shaft (2013), the outer wall of an outer ring of the bearing (2014) is embedded at one end of the shell (2011), the protruding portion (20122) is located between the bearing (2014) and the fan blades (2018), a gap smaller than 0.5mm is reserved between the inner wall of the protruding portion (20122) and the outer wall of the rotating shaft (2013), the inner wall of the cylindrical portion (20121) is connected with the outer wall of the outer ring of the bearing (2014), and a gap smaller than 0.5mm is reserved between one end of the bearing (2014) and one end of the protruding portion (20122).
3. The motor cooling structure of an air suspension centrifugal fan according to claim 2, wherein: the cooling liquid supply assembly (5) comprises a box body (501) and a box cover (502) covered at the upper end of the box body (501), a water return cavity (506) and a water storage cavity (505) with an L-shaped side face are arranged in the box body (501), the water return cavity (506) is communicated with the inside of the water storage cavity (505), a cooling mechanism is arranged in the side wall of the box body (501), a water outlet pipe (11) is communicated with one side of the water storage cavity (505), one end of the water outlet pipe (11) is communicated with the other end of the water pump (3), one side of the water return cavity (506) is communicated with the inside of the cooling cavity (2012) through a water pipe (11), and connecting holes (2015) communicated with water supply pipes (11) are formed in two opposite sides of the shell (2011).
4. A motor cooling structure of an air suspension centrifugal fan according to claim 3, wherein: the cooling mechanism comprises a liquid nitrogen storage cavity (507), the liquid nitrogen storage cavity (507) is located at the periphery and the bottom of the box body (501), a liquid nitrogen adding port (504) is formed in the upper end of the liquid nitrogen storage cavity (507), and a plug cover (503) is plugged in the liquid nitrogen adding port (504).
5. The motor cooling structure of an air suspension centrifugal fan according to any one of claims 1 to 4, wherein: the air cooling device comprises a connecting part (202), and is characterized by further comprising an air cooling assembly, wherein the air cooling assembly comprises an air compressor (4) and a gas transmission cavity, the gas transmission cavity is positioned in the connecting part (202), and one end of the air compressor (4) is communicated with the gas transmission cavity through an air pipe (12).
6. The motor cooling structure of an air suspension centrifugal fan according to claim 5, wherein: connecting portion (202) are including tube-shape connecting pipe (2021), the gas transmission chamber is located the lateral wall inside of connecting pipe (2021), the gas transmission chamber includes air inlet chamber (2024) and heliciform transmission chamber way (2025), a plurality of the one end of transmission chamber way (2025) all communicates with the inside of air inlet chamber (2024), a plurality of the other end of transmission chamber way (2025) is provided with air-out mesh (2022), a plurality of transmission chamber way (2025) evenly twines in the lateral wall of connecting pipe (2021), the inlet opening with trachea (12) intercommunication has been seted up to one side of air inlet chamber (2024).
7. The motor cooling structure of an air suspension centrifugal fan according to claim 6, wherein: still including first supporting component (7) and second supporting component (8) that have certain cushioning effect, first supporting component (7) are fixed on the upper surface of base (1), motor portion (201) are located first supporting component (7), second supporting component (8) slide and inlay the upper surface of dress at base (1), spiral case portion (203) are located second supporting component (8), just second supporting component (8) are connected with base (1) through adjustment mechanism (9), just adjustment mechanism (9) adjustable second supporting component (8) are located the position.
8. The motor cooling structure of an air suspension centrifugal fan according to claim 7, wherein: the first support assembly (7) comprises a support block (701), a first arc-shaped groove (702) with one side open is formed in the upper surface of the support block (701), a first rubber sheet (703) is glued in the first arc-shaped groove (702), a plurality of ventilation holes (704) are formed in one side, opposite to the open side, of the first arc-shaped groove (702), and a plurality of through holes are arranged in a semicircular array.
9. The motor cooling structure of an air suspension centrifugal fan according to claim 8, wherein: the second supporting component (8) comprises a supporting plate (801), the upper surface of the base (1) is provided with a groove for installing an adjusting mechanism (9) and the supporting plate (801), the supporting plate (801) is located on the adjusting mechanism (9), the upper surface of the supporting plate (801) is provided with a second arc-shaped groove (803) with one opened side, the opened side of the first arc-shaped groove (702) and the opened side of the second arc-shaped groove (803) are oppositely arranged, a second rubber sheet (802) is glued in the second arc-shaped groove (803), and the lower end of the volute part (203) is located on the second rubber sheet (802).
10. The motor cooling structure of an air suspension centrifugal fan according to claim 9, wherein: still including can be to fixed subassembly (6) of connecting portion (202) centre gripping, fixed subassembly (6) are including fixed plate (601) and grip block (602), the upper surface at base (1) is fixed to fixed plate (601), just fixed plate (601) are located between first supporting component (7) and second supporting component (8), the both ends of grip block (602) are all connected with the upper end of fixed plate (601) through connecting screw, just curved notch (604) have all been seted up to opposite one side of fixed plate (601) and grip block (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310518714.0A CN116566121A (en) | 2023-05-10 | 2023-05-10 | Motor cooling structure of air suspension centrifugal fan |
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| CN202310518714.0A CN116566121A (en) | 2023-05-10 | 2023-05-10 | Motor cooling structure of air suspension centrifugal fan |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117469178A (en) * | 2023-12-28 | 2024-01-30 | 山东中科翠微动力科技有限公司 | Liquid fertilizer pump |
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2023
- 2023-05-10 CN CN202310518714.0A patent/CN116566121A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117469178A (en) * | 2023-12-28 | 2024-01-30 | 山东中科翠微动力科技有限公司 | Liquid fertilizer pump |
| CN117469178B (en) * | 2023-12-28 | 2024-03-01 | 山东中科翠微动力科技有限公司 | Liquid fertilizer pump |
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