CN110504788A - Axial flow blower external rotor permanent magnet motor - Google Patents
Axial flow blower external rotor permanent magnet motor Download PDFInfo
- Publication number
- CN110504788A CN110504788A CN201910917781.3A CN201910917781A CN110504788A CN 110504788 A CN110504788 A CN 110504788A CN 201910917781 A CN201910917781 A CN 201910917781A CN 110504788 A CN110504788 A CN 110504788A
- Authority
- CN
- China
- Prior art keywords
- arbor
- outer cover
- flow blower
- rotor
- axial flow
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 11
- 230000017525 heat dissipation Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
Axial flow blower external rotor permanent magnet motor, by rotor outer cylinder, rotor magnetic steel, stator core, stator coil, arbor, drive end bearing bracket, fore bearing, preceding outer cover, rear end cap, rear bearing and rear outer cover composition, the both ends of arbor pass through drive end bearing bracket respectively, fore bearing, preceding outer cover and rear end cap, rear bearing, outer cover and the rotation of rotor outer cylinder are fixed afterwards, arbor is hollow shaft, the wiring flange for connecting external cabling box is welded on the inner wall of the hollow shaft of wiring exit, there is lead inclined hole on the wall of hollow shaft, there is fairlead on wiring flange, the lead of motor is drawn by the fairlead on the lead inclined hole and wiring flange on hollow axial wall；It is fixed for the preceding support and rear support fixed with external equipment by screw in the left and right two ends of arbor, multiple groups fan can be installed simultaneously on rotor outer cylinder.Rotor outer cylinder is integrated by the present invention with fan shaft, and the multi-stage impeller of installation is pressurized step by step, can be combined into the axial flow blower of high wind pressure, big flow.
Description
Technical field
The present invention relates to a kind of permanent magnet motor more particularly to axial flow blower external rotor permanent magnet motor, belong to electronic
Machine technical field.
Background technique
Currently, propeller fan is mostly driven using universal motor, the impeller of blower is mounted in motor
On axle stretch end, it is generally the case that a motor can only install an impeller.When needing biggish air quantity or wind pressure, first is that
Select the blower of larger model or power；Second is that increasing motor number of units, multistage fan is installed.So necessarily cause volume huge
Greatly, and after multiple motors series connection, the power of front stage blower, efficiency are difficult design matching, and efficiency can be poor.Therefore, it designs
A kind of compact-sized, high efficiency, high wind pressure, big flow, low noise the novel drive motor suitable for axial flow blower, be mesh
The preceding technical issues that need to address.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of compact-sized, high efficiency, high wind pressure, big flow, low noise
The novel drive motor suitable for axial flow blower of sound.
The present invention the technical solution to solve the technical problem is that:
Axial flow blower external rotor permanent magnet motor, by rotor outer cylinder, rotor magnetic steel, stator core, stator coil, arbor, preceding
End cap, fore bearing, preceding outer cover, rear end cap, rear bearing and rear outer cover composition, the both ends of arbor pass through respectively drive end bearing bracket, fore bearing,
Preceding outer cover and rear end cap, rear bearing, rear outer cover and the rotation of rotor outer cylinder are fixed, and arbor is hollow shaft, in the sky of wiring exit
It is welded with the wiring flange for connecting external cabling box on the inner wall of mandrel, there is lead inclined hole on the wall of hollow shaft, is connecing
The lead of collimation method Lan Shangyou fairlead, motor is drawn by the fairlead on the lead inclined hole and wiring flange on hollow axial wall
Out；It is fixed for the preceding support and rear support fixed with external equipment by screw in the left and right two ends of arbor, outside rotor
Multiple groups fan can be installed simultaneously on cylinder.
As a preferred solution of the present invention, on hollow axial wall lead inclined hole and wiring flange on fairlead it
Between be equipped with motor outlet-pipe, one end of motor outlet-pipe is welded in the lead inclined hole on hollow axial wall, motor outlet
The other end of pipe is welded in the fairlead on wiring flange, and the lead of motor is drawn by motor outlet-pipe.
As a preferred solution of the present invention, the dustband before the groove of preceding outer cover is provided with, in the groove of rear outer cover
It is provided with rear dustband.
As a preferred solution of the present invention, the stator core pressing is fixed on the middle part of arbor, stator coil
It is inlaid in the slot of stator core.
As a preferred solution of the present invention, the rotor magnetic steel is fixed on the inner circle of rotor outer cylinder, and rotor magnetic
There are air gaps between steel and stator core.
As a preferred solution of the present invention, in the hollow interior equipped with radiator of arbor；Radiator by mandrel and
The cooling fin being welded in mandrel is constituted, and the outer diameter of radiator is slightly larger than internal diameter, that is, radiator of arbor and the inner wall of arbor
Interference fit, that is, radiator are fitted in the inner hole of arbor.
As a preferred solution of the present invention, the cooling fin is waveform.
Compared with prior art, rotor outer cylinder is integrated by the present invention with fan shaft, compact-sized；Utilize its axial direction
For elongated, times diameter than big feature, rotor outer cylinder is that fan installation axle is pressurized step by step for installing multi-stage impeller, can be combined into height
The axial flow blower of wind pressure, big flow；The arbor of motor is hollow shaft, is embedded in cooling fin in axis hole, and when work utilizes axis stream wind
The leeway at machine import and export both ends forms cooling air-flow in the inner hole of arbor, blows over the heat band that cooling fin generates stator
Out.Meanwhile the present invention has the characteristics that compact-sized, light-weight, high-efficient, the service life is long, is a kind of novel axial flow blower drive
Dynamic motor, is widely used in the facilities such as propeller fan, tunnel ventilation device, has extensive popularization and application market prospects.
Detailed description of the invention
Fig. 1 is the main view of structural schematic diagram of the invention.
Fig. 2 is the sectional view along A-A of Fig. 1.
Fig. 3 is external rotor permanent magnet motor reel internal air-cooling system schematic diagram of the present invention.
In figure: support before 1., outer cover before 2., 3. fore bearings, 4. drive end bearing brackets, 5. rotor outer cylinders, 6. rotor magnetic steels, 7. stators
Iron core, 8. arbors, 9. stator coils, 10. rear end caps, 11. rear bearings, outer cover after 12., 13. rear supports, 14. screws, 15. is anti-
Konisphere, 16. mandrels, 17. cooling fins, 18. outlet-pipes, 19. dustbands, 20. motor lead lines, 21. outlet flanges.
Specific embodiment
Axial flow blower external rotor permanent magnet motor, by rotor outer cylinder 5, rotor magnetic steel 6, stator core 7, stator coil 9,
Arbor 8, drive end bearing bracket 4, fore bearing 3, preceding outer cover 2, rear end cap 10, rear bearing 11 and rear outer cover 12 form, the both ends difference of arbor 8
It is fixed by drive end bearing bracket 4, fore bearing 3, preceding outer cover 2 and rear end cap 10, rear bearing 11, rear outer cover 12 and the rotation of rotor outer cylinder 5, machine
Axis 8 is hollow shaft, and the wiring flange 21 for connecting external cabling box is welded on the inner wall of the hollow shaft of wiring exit,
There is lead inclined hole on the wall of hollow shaft, there is fairlead on wiring flange 21, the lead of motor passes through on hollow axial wall
Fairlead on lead inclined hole and wiring flange 21 is drawn；Arbor 8 left and right two ends by screw 14 be fixed for outside
Portion's equipment fixed preceding support 1 and rear support 13, can install multiple groups fan simultaneously on rotor outer cylinder 5.
Motor outlet-pipe 18, electricity are equipped between the fairlead on the lead inclined hole on hollow axial wall and wiring flange 21
One end of motivation outlet-pipe 18 is welded in the lead inclined hole on hollow axial wall, and the other end of motor outlet-pipe 18, which is welded on, to be connect
In fairlead on collimation method orchid 21, the lead of motor is drawn by motor outlet-pipe 18.
The dustband 19 before the groove of preceding outer cover 2 is provided with, the dustband 15 after the groove of rear outer cover 12 is provided with.
The stator core 7 is pressed the middle part for being fixed on arbor 8, and stator coil 9 is inlaid in the slot of stator core 7.
The rotor magnetic steel 6 is fixed on the inner circle of rotor outer cylinder 5, and there are gas between rotor magnetic steel 6 and stator core 7
Gap.
In the hollow interior equipped with radiator of arbor 8；Radiator is by mandrel 16 and the cooling fin being welded in mandrel 16
17 are constituted, and the outer diameter of radiator is interference fitted slightly larger than internal diameter, that is, radiator of arbor 8 and the inner wall of arbor 8, that is,
Radiator is fitted in the inner hole of arbor 8.
The cooling fin 17 of axial flow blower external rotor permanent magnet motor is waveform.
Claims (7)
1. axial flow blower external rotor permanent magnet motor, by rotor outer cylinder (5), rotor magnetic steel (6), stator core (7), stator line
Enclose (9), arbor (8), drive end bearing bracket (4), fore bearing (3), preceding outer cover (2), rear end cap (10), rear bearing (11) and rear outer cover (12)
Composition, the both ends of arbor (8) pass through drive end bearing bracket (4), fore bearing (3), preceding outer cover (2) and rear end cap (10), rear bearing respectively
(11), rear outer cover (12) and rotor outer cylinder (5) rotation are fixed, which is characterized in that arbor (8) is hollow shaft, in wiring exit
Hollow shaft inner wall on be welded with wiring flange (21) for connecting external cabling box, have lead oblique on the wall of hollow shaft
, there is fairlead in hole on wiring flange (21), and the lead of motor passes through the lead inclined hole and wiring flange on hollow axial wall
(21) fairlead on is drawn；It is fixed for and external equipment fixation in the left and right two ends of arbor (8) by screw (14)
Preceding support (1) and rear support (13), can install multiple groups fan simultaneously on rotor outer cylinder (5).
2. axial flow blower according to claim 1 external rotor permanent magnet motor, which is characterized in that on hollow axial wall
Motor outlet-pipe (18) are equipped between fairlead on lead inclined hole and wiring flange (21), the one of motor outlet-pipe (18)
It holds in the lead inclined hole being welded on hollow axial wall, the other end of motor outlet-pipe (18) is welded on wiring flange (21)
In fairlead, the lead of motor is drawn by motor outlet-pipe (18).
3. axial flow blower according to claim 1 external rotor permanent magnet motor, which is characterized in that in preceding outer cover (2)
Groove is provided with preceding dustband (19), is provided with rear dustband (15) in the groove of rear outer cover (12).
4. axial flow blower according to claim 1 external rotor permanent magnet motor, which is characterized in that the stator core
(7) press fitting is fixed on the middle part of arbor (8), and stator coil (9) is inlaid in the slot of stator core (7).
5. axial flow blower according to claim 1 external rotor permanent magnet motor, which is characterized in that the rotor magnetic steel
(6) it is fixed on the inner circle of rotor outer cylinder (5), and there are air gaps between rotor magnetic steel (6) and stator core (7).
6. axial flow blower according to claim 1 external rotor permanent magnet motor, which is characterized in that the sky in arbor (8)
It is intracardiac to be equipped with radiator；Radiator is made of mandrel (16) and the cooling fin (17) being welded on mandrel (16), heat dissipation dress
The outer diameter set is interference fitted slightly larger than the internal diameter i.e. radiator of arbor (8) and the inner wall of arbor (8), that is, radiator pressure
In the inner hole of arbor (8).
7. axial flow blower according to claim 6 external rotor permanent magnet motor, which is characterized in that the cooling fin
It (17) is waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917781.3A CN110504788A (en) | 2019-09-26 | 2019-09-26 | Axial flow blower external rotor permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917781.3A CN110504788A (en) | 2019-09-26 | 2019-09-26 | Axial flow blower external rotor permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110504788A true CN110504788A (en) | 2019-11-26 |
Family
ID=68592784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910917781.3A Pending CN110504788A (en) | 2019-09-26 | 2019-09-26 | Axial flow blower external rotor permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110504788A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594036A (en) * | 2009-06-26 | 2009-12-02 | 沈阳工业大学 | Wound rotor self-starting permasyn motor |
| US20150178661A1 (en) * | 2013-12-19 | 2015-06-25 | Trapeze Software Ulc | System And Method For Analyzing Performance Data In A Transit Organization |
| CN107032055A (en) * | 2017-05-23 | 2017-08-11 | 唐山溢洋电气科技有限公司 | Built-in type low-speed big high-power explosion-proof motorized pulleys |
| CN108155758A (en) * | 2018-03-09 | 2018-06-12 | 上海惠深工具科技有限公司 | From cooling external rotor electric machine |
| CN108923606A (en) * | 2018-10-08 | 2018-11-30 | 株洲联诚集团控股股份有限公司 | A kind of harmony locomotive traction blower asynchronous starting permasyn morot |
-
2019
- 2019-09-26 CN CN201910917781.3A patent/CN110504788A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101594036A (en) * | 2009-06-26 | 2009-12-02 | 沈阳工业大学 | Wound rotor self-starting permasyn motor |
| US20150178661A1 (en) * | 2013-12-19 | 2015-06-25 | Trapeze Software Ulc | System And Method For Analyzing Performance Data In A Transit Organization |
| CN107032055A (en) * | 2017-05-23 | 2017-08-11 | 唐山溢洋电气科技有限公司 | Built-in type low-speed big high-power explosion-proof motorized pulleys |
| CN108155758A (en) * | 2018-03-09 | 2018-06-12 | 上海惠深工具科技有限公司 | From cooling external rotor electric machine |
| CN108923606A (en) * | 2018-10-08 | 2018-11-30 | 株洲联诚集团控股股份有限公司 | A kind of harmony locomotive traction blower asynchronous starting permasyn morot |
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