CN106787441B - 220kW magnetic suspension high-speed fan structure - Google Patents
220kW magnetic suspension high-speed fan structure Download PDFInfo
- Publication number
- CN106787441B CN106787441B CN201611180285.7A CN201611180285A CN106787441B CN 106787441 B CN106787441 B CN 106787441B CN 201611180285 A CN201611180285 A CN 201611180285A CN 106787441 B CN106787441 B CN 106787441B
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- China
- Prior art keywords
- double
- stator
- axial fan
- fixed
- layer air
- Prior art date
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- 239000000725 suspension Substances 0.000 title claims abstract description 8
- 239000006096 absorbing agent Substances 0.000 claims abstract description 8
- 230000035939 shock Effects 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 23
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000005339 levitation Methods 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a 220kW magnetic suspension high-speed fan structure which comprises a double-layer air-cooled shell, a volute, an air inlet channel, an upper end axial fan, a shock absorber, a lower end axial fan, a rear cover, a stator, a rotor and a magnetic bearing, wherein the volute and the air inlet channel are both fixed at the top end of the double-layer air-cooled shell, the volute and the air inlet channel are communicated with the double-layer air-cooled shell, the rear cover is fixed at the bottom end of the double-layer air-cooled shell, the stator and the magnetic bearing are fixed in the double-layer air-cooled shell, the rotor is rotatably supported in the stator and the magnetic bearing, the top end of the rotor extends into the air inlet channel, the shock absorber is fixed on the outer wall of the double-layer air-cooled shell, the upper end axial fan and the lower end axial fan are both fixed on the rotor, the upper end axial fan is arranged between the stator and the magnetic bearing, and the lower end axial fan is arranged at the lower end of the stator. The invention has simple structure and good heat dissipation effect.
Description
Technical field:
the invention relates to a 220kW magnetic suspension high-speed fan structure.
The background technology is as follows:
the cooling mode commonly used at present for the high-speed motor is air cooling, liquid jacket cooling and evaporative cooling. The air-cooled high-speed motor system has no leakage problem, is convenient to maintain, but has low cooling efficiency and large motor volume; the liquid jacket cooling adopts oil or water-glycol as a cooling medium, and is generally used with rotor self-fan air cooling; the working medium such as R123 is adopted as a cooling medium for evaporative cooling, so that the cooling efficiency is highest, but the maintenance is difficult.
Therefore, there is a need for an improvement over the prior art to address the deficiencies of the prior art.
The invention comprises the following steps:
the invention provides a 220kW magnetic suspension high-speed fan structure for solving the problems in the prior art.
The invention adopts the technical scheme that: the utility model provides a 220kW magnetic suspension high-speed fan structure, includes double-deck air-cooled casing, spiral case, intake duct, upper end axial fan, bumper shock absorber, lower extreme axial fan, back lid, stator, rotor and magnetic bearing, spiral case and intake duct are all fixed in the top of double-deck air-cooled casing, and spiral case and intake duct all link up with double-deck air-cooled casing, the back lid is fixed in the bottom of double-deck air-cooled casing, stator and magnetic bearing are fixed in double-deck air-cooled casing, the rotor rotates to support in stator and magnetic bearing, and the top of rotor stretches into in the intake duct, the bumper shock absorber is fixed in on the outer wall of double-deck air-cooled casing, upper end axial fan and lower extreme axial fan are all fixed in on the rotor, and upper end axial fan is arranged in between stator and the magnetic bearing, the lower extreme axial fan is arranged in the lower extreme of stator.
Further, the double-layer air-cooled shell comprises a mounting ring and a cylindrical shell fixedly connected with the mounting ring, the shell comprises an upper mounting part and a lower mounting part which are coaxial and mutually communicated, the pipe diameter of the lower mounting part is larger than that of the upper mounting part, and a plurality of upper cooling fins and lower cooling fins are respectively arranged on the outer circumferential walls of the upper mounting part and the lower mounting part.
Further, a plurality of connecting ribs are uniformly distributed on the circumferential wall of the upper mounting part, and the mounting ring is fixed at the top ends of the connecting ribs.
Further, the circumferential wall of the lower mounting part is symmetrically connected with a connecting plate for fixing the shock absorber.
Further, a wire outlet hole is formed in the side wall of the lower mounting portion.
Further, the rear cover is provided with a plurality of ventilation holes.
The invention has the following beneficial effects: the invention has simple structure, the cooling air enters from the bottom end, the cooling air is driven by the lower axial flow fan, the forced ventilation and cooling are carried out on the motor rotor, the stator and the magnetic bearing at the lower end in the double-layer air-cooled shell, the forced ventilation and cooling are carried out by the axial flow fan at the upper end, the forced ventilation and cooling are carried out on the magnetic bearing at the upper end, and the air is discharged through the air duct on the double-layer air-cooled shell, so that the fan works in a safe environment, the magnetic bearing and the stator are subjected to layered heat dissipation, the diffusion of high-temperature gas is facilitated, and the proper temperature is ensured for the machine body operation.
Description of the drawings:
fig. 1 is a structural diagram of the present invention.
FIG. 2 is a block diagram of upper and lower axial fans within a double-layer air-cooled enclosure.
FIG. 3 is a three-dimensional block diagram of a double-layer air-cooled housing in accordance with the present invention.
Fig. 4 is a plan view of a double-layer air-cooled housing according to the present invention.
The specific embodiment is as follows:
the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the invention discloses a 220kW magnetic levitation high-speed fan structure, which comprises a double-layer air-cooled casing 1, a volute 2, an air inlet 3, an upper end axial fan 4, a damper 5, a lower end axial fan 6, a rear cover 7, a stator, a rotor and a magnetic bearing, wherein the volute 2 and the air inlet 3 are both fixed at the top end of the double-layer air-cooled casing 1, the volute 2 and the air inlet 3 are both communicated with the double-layer air-cooled casing 1, the rear cover 7 is fixed at the bottom end of the double-layer air-cooled casing 1, the stator and the magnetic bearing are fixed in the double-layer air-cooled casing 1, the rotor is rotatably supported in the stator and the magnetic bearing, the top end of the rotor extends into the air inlet 3, the damper 5 is fixed on the outer wall of the double-layer air-cooled casing 1, the upper end axial fan 4 and the lower end axial fan 6 are both fixed on the rotor, the upper end axial fan 4 is arranged between the stator and the magnetic bearing, and the lower end axial fan 6 is arranged at the lower end of the stator.
As shown in fig. 3 and 4, the double-layered air-cooled housing 1 of the present invention includes a mounting ring 200 and a cylindrical housing, and the mounting ring 200 is fixed to the top end of the housing.
The shell comprises an upper mounting part 11 and a lower mounting part 12 which are coaxial and mutually communicated, and the pipe diameter of the lower mounting part 12 is larger than that of the upper mounting part 11. The upper mounting portion 11 is used for mounting a magnetic bearing, the lower mounting portion 12 is used for mounting a stator, and a plurality of upper cooling fins 13 and lower cooling fins 14 are respectively arranged on the outer circumferential walls of the upper mounting portion 11 and the lower mounting portion 12. The double-layer air-cooled shell 1 adopts a double-layer heat dissipation type structure, and the two-section structure of the magnetic bearing and the stator is subjected to layered heat dissipation, so that the diffusion of high-temperature gas is facilitated, and the proper temperature is ensured for the operation of a machine body.
In order to facilitate the fixing and mounting of the mounting ring 200, a plurality of connection ribs 110 are uniformly distributed on the circumferential wall of the upper mounting portion 11, and the mounting ring 200 is fixed to the top ends of the connection ribs 110. The mounting ring 200 is used to secure the volute and inlet.
A connection plate 120 is symmetrically connected to the circumferential wall of the lower mounting portion 12, and the connection plate 120 is used for mounting the damper 5.
A wire outlet 128 is provided in a side wall of the lower mounting portion 12. The rear cover 7 is provided with a plurality of ventilation holes 71.
During operation, cooling air enters from the rear cover 7, drives the cooling air through the lower end axial fan 6, forcibly ventilates and cools the motor rotor, the stator and the magnetic bearings at the lower end in the double-layer air-cooled shell 1, and then carries out secondary lifting through the upper end axial fan 4, forcibly ventilates and cools the magnetic bearings at the upper end and discharges the cooling air through the air channel on the double-layer air-cooled shell, so that the fan works in a safe environment.
The foregoing is merely a preferred embodiment of the invention, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the invention, which modifications would also be considered to be within the scope of the invention.
Claims (3)
1. The 220kw magnetic suspension high-speed fan structure is characterized by comprising a double-layer air-cooled shell (1), a volute (2), an air inlet channel (3), an upper end axial fan (4), a shock absorber (5), a lower end axial fan (6), a rear cover (7), a stator, a rotor and a magnetic bearing, wherein the volute (2) and the air inlet channel (3) are both fixed on the top end of the double-layer air-cooled shell (1), the volute (2) and the air inlet channel (3) are both communicated with the double-layer air-cooled shell (1), the rear cover (7) is fixed on the bottom end of the double-layer air-cooled shell (1), the stator and the magnetic bearing are fixed in the double-layer air-cooled shell (1), the rotor is rotatably supported in the stator and the magnetic bearing, the top end of the rotor extends into the air inlet channel (3), the shock absorber (5) is fixed on the outer wall of the double-layer air-cooled shell (1), the upper end axial fan (4) and the lower end axial fan (6) are both fixed on the rotor, the upper end axial fan (4) is arranged between the stator and the magnetic bearing, and the lower end axial fan (6) is arranged at the lower end of the stator;
the double-layer air-cooled shell (1) comprises a mounting ring (200) and a cylindrical shell fixedly connected with the mounting ring (200), wherein the shell comprises an upper mounting part (11) and a lower mounting part (12) which are coaxial and mutually communicated, the pipe diameter of the lower mounting part (12) is larger than that of the upper mounting part (11), and a plurality of upper cooling fins (13) and lower cooling fins (14) are respectively arranged on the outer circumferential walls of the upper mounting part (11) and the lower mounting part (12);
a plurality of connecting ribs (110) are uniformly distributed on the circumferential wall of the upper mounting part (11), and a mounting ring (200) is fixed at the top ends of the connecting ribs (110);
the circumferential wall of the lower mounting part (12) is symmetrically connected with a connecting plate (120) for fixing the shock absorber (5).
2. The structure of a 220kw magnetic levitation high-speed fan of claim 1, wherein the side wall of the lower mounting portion (12) is provided with a wire outlet hole (128).
3. The 220kw magnetic suspension high speed fan structure of claim 1, wherein the rear cover (7) is provided with a plurality of ventilation holes (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180285.7A CN106787441B (en) | 2016-12-19 | 2016-12-19 | 220kW magnetic suspension high-speed fan structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611180285.7A CN106787441B (en) | 2016-12-19 | 2016-12-19 | 220kW magnetic suspension high-speed fan structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106787441A CN106787441A (en) | 2017-05-31 |
| CN106787441B true CN106787441B (en) | 2023-11-17 |
Family
ID=58890822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611180285.7A Active CN106787441B (en) | 2016-12-19 | 2016-12-19 | 220kW magnetic suspension high-speed fan structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787441B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427557A (en) * | 2013-09-02 | 2013-12-04 | 南京磁谷科技有限公司 | Magnetic levitation permanent-magnet synchronous high-power high-speed draught fan |
| CN103441612A (en) * | 2013-09-02 | 2013-12-11 | 南京磁谷科技有限公司 | Magnetic suspension permanent-magnet synchronous high-power high-speed draught fan |
| CN103843231A (en) * | 2011-09-14 | 2014-06-04 | 依必安-派特穆尔芬根股份有限两合公司 | Rotating electrical machine |
| CN104617708A (en) * | 2015-03-03 | 2015-05-13 | 常州东本驱动技术有限公司 | Integrated motor controller with high radiating performance |
| CN206294018U (en) * | 2016-12-19 | 2017-06-30 | 南京磁谷科技有限公司 | A kind of 220kW magnetic-suspension high-speeds blower fan structure |
-
2016
- 2016-12-19 CN CN201611180285.7A patent/CN106787441B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103843231A (en) * | 2011-09-14 | 2014-06-04 | 依必安-派特穆尔芬根股份有限两合公司 | Rotating electrical machine |
| CN103427557A (en) * | 2013-09-02 | 2013-12-04 | 南京磁谷科技有限公司 | Magnetic levitation permanent-magnet synchronous high-power high-speed draught fan |
| CN103441612A (en) * | 2013-09-02 | 2013-12-11 | 南京磁谷科技有限公司 | Magnetic suspension permanent-magnet synchronous high-power high-speed draught fan |
| CN104617708A (en) * | 2015-03-03 | 2015-05-13 | 常州东本驱动技术有限公司 | Integrated motor controller with high radiating performance |
| CN206294018U (en) * | 2016-12-19 | 2017-06-30 | 南京磁谷科技有限公司 | A kind of 220kW magnetic-suspension high-speeds blower fan structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106787441A (en) | 2017-05-31 |
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Address after: No.99 Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province (Jiangning Development Zone) Patentee after: Nanjing Cigu Technology Co.,Ltd. Address before: 211100 Jiuzhu Road, Jiangning Development Zone, Nanjing, Jiangsu Province Patentee before: NANJING CIGU Ltd.,Corp. |