CN114810637B - Integrated high-speed direct-driven fan - Google Patents
Integrated high-speed direct-driven fan Download PDFInfo
- Publication number
- CN114810637B CN114810637B CN202210480576.7A CN202210480576A CN114810637B CN 114810637 B CN114810637 B CN 114810637B CN 202210480576 A CN202210480576 A CN 202210480576A CN 114810637 B CN114810637 B CN 114810637B
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- permanent magnet
- way flow
- flow impeller
- magnet motor
- speed permanent
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- 238000007789 sealing Methods 0.000 claims description 19
- 239000000919 ceramic Substances 0.000 claims description 4
- 238000005273 aeration Methods 0.000 abstract description 35
- 230000000694 effects Effects 0.000 abstract description 13
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000006213 oxygenation reaction Methods 0.000 description 7
- 238000009360 aquaculture Methods 0.000 description 6
- 244000144974 aquaculture Species 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 241000196171 Hydrodictyon reticulatum Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000926 separation method 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
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/0566—Ceramic bearing designs
-
- 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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
Abstract
The utility model relates to a air-blower technical field especially relates to an integrated high-speed direct-driven fan, including support frame, spiral case, ternary flow impeller and high-speed permanent magnet motor, the spiral case is installed on the support frame, and high-speed permanent magnet motor is connected with the spiral case, and ternary flow impeller sets up in the spiral case and is connected with high-speed permanent magnet motor's motor shaft, and the spiral case is interior and be located ternary flow impeller's output and be provided with the diffuser, and the outlet angle of diffuser equals with ternary flow impeller's outlet angle. The device is beneficial to controlling the liquid state of the outlet of the three-way flow impeller, converting dynamic pressure into static pressure, widening the working condition range of the fan, controlling surging, effectively improving the operation efficiency of the fan, improving the aeration pressure and the aeration quantity, and further achieving the aeration effect; the running efficiency of the fan is further improved; and the three-way flow impeller is directly connected with the motor shaft of the high-speed permanent magnet motor, and a coupler is not required to be installed, so that the whole fan structure is small and exquisite, the loss in the middle process is reduced, and the consumption and the waste of electric energy of the fan are effectively reduced.
Description
Technical Field
The application relates to the technical field of blowers, in particular to an integrated high-speed direct-driven blower.
Background
With the development of economy, fishery industry has been pursued to increase the yield from the past, and more attention has been paid to the adjustment of variety structures and the improvement of product quality. New cultivation technology and new cultivation varieties are continuously introduced, the field of fishery cultivation is further expanded, the cultivation scale of the famous and excellent aquatic products is continuously expanded, the mode of factory cultivation and ecological healthy cultivation is rapidly developed, the development potential of deep water net cage cultivation is rapid, the scale and intensification degree of the cultivation industry is gradually improved, and the requirement on a blower for providing oxygen content for a cultivation pool is also more stringent.
Classified from 10m flow to 50 m/min, currently, small flow blowers are mainly vortex type, roots type and centrifugal type blowers on the market.
As the aquaculture area of fishery is continuously enlarged, more aeration is needed to enter the aquaculture pond to increase the oxygen content, the small-flow type fan is difficult to achieve more aeration oxygenation effects, the noise of the Roots fan greatly influences aquaculture, the flow of the vortex fan is too small to meet the expansion of the aquaculture area scale, and therefore an efficient and intensive centrifugal fan is urgently needed to meet the aquaculture market demand of fishery.
Disclosure of Invention
In order to help meeting the requirements of the aquaculture market in fishery and improve the aeration and oxygenation effects, the application provides an integrated high-speed direct-driven fan.
The application provides an integrated high-speed direct-drive fan adopts following technical scheme:
the integrated high-speed direct-drive fan comprises a support frame, a volute, a three-way impeller and a high-speed permanent magnet motor, wherein the volute is arranged on the support frame and is connected with the volute, and the three-way impeller is arranged in the volute and is connected with a motor shaft of the high-speed permanent magnet motor;
and a diffuser is arranged in the volute and positioned at the output end of the three-way flow impeller, and the outlet angle of the diffuser is equal to the outlet angle of the three-way flow impeller.
By adopting the technical scheme, the diffuser is arranged in the volute and positioned at the output end of the three-way flow impeller, and the outlet angle of the diffuser is equal to that of the three-way flow impeller, so that the control of the liquid state of the three-way flow impeller outlet is facilitated, the dynamic pressure is converted into the static pressure, the working condition range of the fan is widened, the surge is controlled, the operation efficiency of the fan is effectively improved, the aeration pressure and the aeration quantity are improved, and the aeration and oxygenation effects are further achieved;
in addition, the three-way impeller is directly connected with the motor shaft of the high-speed permanent magnet motor, and a coupler is not required to be installed, so that the whole fan structure is small and exquisite, the loss in the middle process is reduced, and the consumption and the waste of electric energy of the fan are effectively reduced.
Optionally, the volute is an asymmetric inner volute, an outer line of the volute is a circumference with a constant radius, and the radius of the inner line from the center of the rotating shaft is gradually reduced.
By adopting the technical scheme, the continuous increase of the through-flow cross-section area of the volute is realized, and the efficiency of the fan is further improved; in addition, the spiral case is arranged in an inscribed way, the overall structure size is smaller, and the weight of the spiral case is lighter.
Optionally, the three-way flow impeller comprises three-way flow blades and an impeller cover, wherein the three-way flow blades are connected with the impeller cover, and the impeller cover and the volute are integrally arranged.
Through adopting above-mentioned technical scheme, impeller lid and spiral case an organic whole set up, adopt the structure of whole spiral case to effectively lighten whole weight.
Optionally, the three-way flow impeller is a semi-open three-way flow impeller, the attack angle of the inlet wing tip is 0-1 degrees, and the attack angle of the inlet wing root is 2-4 degrees; the outlet angle of the three-way flow blade is-30 degrees to 40 degrees, and the hub ratio is 0.4 to 0.5.
By adopting the technical scheme, as the thickness of the three-way flow blade is small at the front edge and the tail edge, the middle is large, the wing root is large, and the wing tip is small; the three-way flow impeller has the advantages of wide efficient area, high efficiency and good strength performance.
Optionally, a sealing component is arranged between the three-way flow impeller and a motor shaft of the high-speed permanent magnet motor;
the sealing assembly comprises a sealing block sleeved on the motor shaft of the high-speed permanent magnet motor, and the sealing block is arranged along the circumferential direction of the motor shaft of the high-speed permanent magnet motor.
By adopting the technical scheme, the sealing of the extending end of the high-speed permanent magnet motor shaft is realized, the leakage quantity of the back of the three-way flow impeller is effectively reduced, and the aeration pressure and the aeration quantity are further improved.
Optionally, the high-speed permanent magnet motor is mounted on the volute through a bolt, and the three-way impeller is mounted on a motor shaft of the high-speed permanent magnet motor through a screw.
By adopting the technical scheme, the high-speed permanent magnet motor and the three-way impeller are convenient to install and detach, so that the follow-up maintenance is convenient.
Optionally, a ceramic bearing is arranged between the high-speed permanent magnet motor and the motor shaft.
By adopting the technical scheme, the ceramic bearing has the characteristics of high temperature resistance, cold resistance, wear resistance, corrosion resistance, anti-magnetic electric insulation, oil-free self-lubrication, high rotating speed and the like, and is convenient for subsequent maintenance.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the air blower effectively solves the problems of low efficiency, high noise, low aeration pressure, low aeration quantity and the like of the traditional small centrifugal air blower, has ingenious structure, high equipment operation efficiency and convenient maintenance, has high aeration pressure and large aeration quantity, and can meet the requirement of increasing the fishery cultivation scale;
2. the high-speed permanent magnet motor and the three-way flow impeller are adopted, so that the operation efficiency of the fan is effectively improved, the aeration pressure and the aeration quantity are improved, and the aeration and oxygenation effects are achieved;
3. the diffuser is arranged at the output end of the three-way flow impeller in the volute, the outlet angle of the diffuser is equal to that of the three-way flow impeller, the control of the liquid state of the three-way flow impeller outlet is facilitated, dynamic pressure is converted into static pressure, the working condition range of the fan is widened, surge is controlled, the operation efficiency of the fan is effectively improved, the aeration pressure and aeration quantity are improved, and then the aeration and oxygenation effects are achieved.
Drawings
Fig. 1 is a schematic diagram of an overall structure of an integrated high-speed direct-drive fan according to an embodiment of the present application.
Fig. 2 is a front view of an integrated high speed direct drive fan shown in an embodiment of the present application.
Fig. 3 is a cross-sectional view of an integrated high speed direct drive blower as shown in an embodiment of the present application.
Fig. 4 is a schematic structural diagram of an outlet angle of a diffuser and an outlet angle of a three-way flow impeller in an integrated high-speed direct-drive fan according to an embodiment of the present application.
Description of the drawings: 1. a support frame; 2. a volute; 3. a high-speed permanent magnet motor; 4. a three-way flow impeller; 5. a diffuser; 6. a sealing block; 7. and (5) a screw.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
The application discloses integrated high-speed direct-driven fan, as shown in fig. 1, 2 and 3, including support frame 1, spiral case 2, ternary flow impeller 4 and high-speed permanent magnet motor 3, spiral case 2 passes through the bolt mounting on support frame 1, and high-speed permanent magnet motor 3 passes through bolted connection with spiral case 2, and ternary flow impeller 4 sets up in spiral case 2 and is connected with high-speed permanent magnet motor 3's motor shaft.
The high-speed permanent magnet motor 3 has the remarkable advantages of high rotating speed, small motor size, high power density, high efficiency and the like, and is connected with a high-speed load or a prime motor without a speed change device, so that the defects of high failure rate, difficult maintenance and the like of the traditional motor are overcome, and the operation efficiency of a fan is improved conveniently. In addition, the three-way flow impeller 4 can adapt to the real flow state of the fluid, so that the flow separation of the working surfaces of the blades of the three-way flow impeller 4 is effectively avoided, the flow loss is reduced, the speed distribution of all fluid particles in the interior can be controlled, the optimal flow state in the fan is obtained, and the fluid conveying efficiency is ensured to be optimal.
Specifically, the three-way flow impeller comprises three-way flow blades and an impeller cover, wherein the three-way flow blades are connected with the impeller cover. The three-way flow impeller 4 is arranged as a semi-open three-way flow impeller, the attack angle of the inlet wing tip is 0-1 degrees, and the attack angle of the inlet wing root is 2-4 degrees; the outlet angle of the three-dimensional flow blade is-30 degrees to 40 degrees, the hub ratio is 0.4 to 0.5, the thickness of the three-dimensional flow blade is small at the front edge and the tail edge, the middle is large, the wing root is large, and the wing tip is small. Therefore, the three-way flow impeller 4 has wide efficient area, high efficiency and good strength performance.
Referring to fig. 3, the high-speed permanent magnet motor 3 and the three-way flow impeller 4 are adopted, so that the operation efficiency of the fan is effectively improved, the aeration pressure and the aeration quantity are improved, and the aeration effect is achieved. In addition, the three-way flow impeller 4 is directly connected with the motor shaft of the high-speed permanent magnet motor 3 through the screw 7, and a coupler is not required to be installed, so that the whole fan structure is small and exquisite, the loss in the middle process is reduced, and the consumption and waste of electric energy of the fan are effectively reduced; and the three-way flow impeller 4 is convenient to install and disassemble, and is beneficial to subsequent maintenance.
In addition, a bearing is arranged between the high-speed permanent magnet motor 3 and the motor shaft, and specifically, the bearing is a ceramic bearing, and has the characteristics of high temperature resistance, cold resistance, wear resistance, corrosion resistance, anti-magnetic electric insulation, oil-free self lubrication, high rotating speed and the like, so that the subsequent maintenance is convenient.
Referring to fig. 3 and 4, a diffuser 5 is arranged at the output end of the three-way flow impeller 4 in the volute 2, and the outlet angle of the diffuser 5 is equal to that of the three-way flow impeller 4, so that the control of the liquid state of the three-way flow impeller 4 is facilitated, dynamic pressure is converted into static pressure, the working condition range of the fan is widened, the surge is controlled, the running efficiency of the fan is effectively improved, the aeration pressure and aeration quantity are improved, and the aeration effect is further achieved.
Specifically, the high-speed permanent magnet motor 3 drives the three-way flow impeller 4 to rotate at a high speed through a motor shaft, airflow axially enters the three-way flow impeller 4 rotating at a high speed from an inlet and then becomes radial flow to be accelerated, then enters a diffusion cavity provided with a diffuser 5 in the volute 2, and changes the flow direction to be decelerated, and kinetic energy in the airflow rotating at a high speed is converted into pressure energy (potential energy) by the deceleration effect, so that the outlet of the fan keeps stable pressure.
Referring to fig. 3, to further increase the efficiency of the blower, the volute 2 is configured as an asymmetric inner volute. Specifically, the outer shape line of the volute 2 is a circumference with a constant radius, and the radius of the inner shape line from the center of the rotating shaft is gradually reduced, so that the continuous increase of the through-flow cross-section area of the volute 2 is realized, and the efficiency of the fan is further improved; in addition, since the scroll casing 2 is provided as an internal type, the overall structural size is small and the weight thereof is light as compared with the external type scroll casing 2.
And the impeller cover and the volute 2 are integrally formed, and the integral weight is effectively reduced by adopting the structure of the integral volute 2.
Referring to fig. 3, in addition, a sealing assembly is arranged between the three-way flow impeller 4 and the motor shaft of the high-speed permanent magnet motor 3, so that the sealing of the shaft extension end of the high-speed permanent magnet motor 3 is realized, the leakage quantity of the back of the three-way flow impeller 4 is effectively reduced, and the aeration pressure and the aeration quantity are further improved. Specifically, the sealing assembly comprises a sealing block 6 sleeved on the motor shaft of the high-speed permanent magnet motor 3, and the sealing block 6 is arranged along the circumferential direction of the motor shaft of the high-speed permanent magnet motor 3. And be provided with the seal groove that is used for supplying sealing block 6 to stretch into on the spiral case 2, effectively reduce sealing block 6 and rotate and lead to the clearance between sealing block 6 and the spiral case 2 to increase under the drive of high-speed permanent magnet motor 3 possibility, help further improving sealing block 6's sealed effect.
The working principle of the embodiment is as follows:
the high-speed permanent magnet motor 3 drives the three-way flow impeller 4 to rotate at a high speed through a motor shaft, airflow axially enters the three-way flow impeller 4 rotating at a high speed from an inlet and then becomes radial flow to be accelerated, then enters a diffusion cavity provided with a diffuser 5 in the volute 2, and changes the flow direction to be decelerated, and the deceleration converts kinetic energy in the airflow rotating at the high speed into pressure energy (potential energy), so that the outlet of the fan keeps stable pressure; the high-speed permanent magnet motor 3 and the three-way flow impeller 4 are adopted, so that the operation efficiency of the fan is effectively improved, the aeration pressure and the aeration quantity are improved, and the aeration and oxygenation effects are achieved.
In addition, the outlet angle of the diffuser 5 is equal to the outlet angle of the three-way flow impeller 4, so that the liquid state of the outlet of the three-way flow impeller 4 is controlled, dynamic pressure is converted into static pressure, the working condition range of the fan is widened, surge is controlled, the running efficiency of the fan is further improved, the aeration pressure and aeration quantity are improved, and the aeration and oxygenation effects are achieved. The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (4)
1. An integrated high-speed direct-drive fan which is characterized in that: the three-way flow impeller comprises a support frame (1), a volute (2), a three-way flow impeller (4) and a high-speed permanent magnet motor (3), wherein the volute (2) is arranged on the support frame (1), the high-speed permanent magnet motor (3) is connected with the volute (2), and the three-way flow impeller (4) is arranged in the volute (2) and is connected with a motor shaft of the high-speed permanent magnet motor (3);
a diffuser (5) is arranged in the volute (2) and positioned at the output end of the three-way flow impeller (4), and the outlet angle of the diffuser (5) is equal to the outlet angle of the three-way flow impeller (4);
the spiral case (2) is arranged as an asymmetric inner spiral case (2), the outer shape line of the spiral case (2) is a circumference with a constant radius, and the radius of the inner shape line from the center of the rotating shaft is gradually reduced;
the three-way flow impeller (4) comprises three-way flow blades and an impeller cover, wherein the three-way flow blades are connected with the impeller cover, and the impeller cover and the volute (2) are integrally arranged;
a sealing component is arranged between the three-way flow impeller (4) and a motor shaft of the high-speed permanent magnet motor (3);
the sealing assembly comprises a sealing block (6) sleeved on the motor shaft of the high-speed permanent magnet motor (3), and the sealing block (6) is arranged along the circumferential direction of the motor shaft of the high-speed permanent magnet motor (3).
2. The integrated high-speed direct-drive fan as claimed in claim 1, wherein: the three-way flow impeller (4) is arranged as a semi-open three-way flow impeller (4), the attack angle of the inlet wing tip is 0-1 degrees, and the attack angle of the inlet wing root is 2-4 degrees; the outlet angle of the three-way flow blade is-30 degrees to 40 degrees, and the hub ratio is 0.4 to 0.5.
3. The integrated high-speed direct-drive fan as claimed in claim 1, wherein: the high-speed permanent magnet motor (3) is mounted on the volute (2) through bolts, and the three-way impeller (4) is mounted on a motor shaft of the high-speed permanent magnet motor (3) through bolts (7).
4. The integrated high-speed direct-drive fan as claimed in claim 1, wherein: a ceramic bearing is arranged between the high-speed permanent magnet motor (3) and the motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210480576.7A CN114810637B (en) | 2022-05-05 | 2022-05-05 | Integrated high-speed direct-driven fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210480576.7A CN114810637B (en) | 2022-05-05 | 2022-05-05 | Integrated high-speed direct-driven fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114810637A CN114810637A (en) | 2022-07-29 |
| CN114810637B true CN114810637B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210480576.7A Active CN114810637B (en) | 2022-05-05 | 2022-05-05 | Integrated high-speed direct-driven fan |
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| CN (1) | CN114810637B (en) |
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| US20160208823A1 (en) * | 2015-01-19 | 2016-07-21 | Hamilton Sundstrand Corporation | Shrouded fan rotor |
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| CN205478443U (en) * | 2016-03-31 | 2016-08-17 | 亿昇(天津)科技有限公司 | Magnetic suspension high speed centrifugation air -blower |
| CN106762840A (en) * | 2016-11-25 | 2017-05-31 | 沈阳鼓风机集团股份有限公司 | Half vane diffuser high and its method for designing of a kind of both sides arrangement |
| CN208456914U (en) * | 2018-04-04 | 2019-02-01 | 大连依勒斯涡轮增压技术有限公司 | A kind of turbocharger and its centrifugal compressor |
| CN209959559U (en) * | 2019-05-16 | 2020-01-17 | 江苏乘帆压缩机有限公司 | Centrifugal blower impeller with anti-surge capacity and centrifugal blower thereof |
| CN111486115A (en) * | 2020-04-15 | 2020-08-04 | 浙江上风高科专风实业有限公司 | Direct-drive high-speed permanent magnet centrifugal blower and blower unit |
| CN214366777U (en) * | 2021-02-26 | 2021-10-08 | 黑龙江沧龙发电设备股份有限公司 | Three-dimensional flow fan |
| CN113217438A (en) * | 2021-06-16 | 2021-08-06 | 浙江理工大学 | Centrifugal three-dimensional flow blower with guide vane adjusting device |
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