CN207819661U - The Negative pressure machine that external rotor electric machine drives - Google Patents
The Negative pressure machine that external rotor electric machine drives Download PDFInfo
- Publication number
- CN207819661U CN207819661U CN201721406422.4U CN201721406422U CN207819661U CN 207819661 U CN207819661 U CN 207819661U CN 201721406422 U CN201721406422 U CN 201721406422U CN 207819661 U CN207819661 U CN 207819661U
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- CN
- China
- Prior art keywords
- outer rotor
- stator
- lid
- negative pressure
- electric machine
- 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.)
- Expired - Fee Related
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model is specifically related to be a kind of Negative pressure machine that external rotor electric machine drives, including outer rotor dc motor and fixed frame, outer rotor dc motor is connected with fixed frame by fixing axle, outer rotor dc motor includes stator and outer rotor lid, and outer rotor lid is located on stator, and outer rotor is covered equipped with magnetic shoe, coil windings are fixed on stator, magnetic shoe is located at the outside of coil windings, and outer rotor is covered equipped with blade, and fixing axle one end passes through outer rotor lid and extends on stator.The utility model has the beneficial effects that：This structure is combined by fixing axle and outer rotor lid, it is rotated by outer rotor lid driving blade, it avoids that any mechanical gear is arranged and causes problem of temperature rise, it plays and does not need liquid oil lubrication, exempt liquid oil lubrication environmental pollution, makes that total is succinct, effectively mitigate weight, reduce energy consumption, reduce cost, temperature rises the advantages that slow and environmentally friendly.
Description
Technical field
The utility model is related to a kind of wind turbine technical field, the Negative pressure machine of specifically a kind of external rotor electric machine drive.
Background technology
Most of traditional vacuum motor is to use three-phase alternating current as power, volume is big, weight is heavy, temperature rise it is fast and
Energy consumption is big etc..Due to no speed regulation device, hard start and easily cause to burn out motor and motor shaft easy fracture, be susceptible to work
Disconnection phenomenon between work be easy to cause gear breakage and lubricant leaks all using the gear-box speed change with fluid lubricant,
The defects of being easy to burn out now is being phased out.
Existing efficient energy-saving dc motor has risen, and is used in each field of blower fan system, driving blade and generate powerful
Wind-force.There are also the efficient energy-saving DC motors that wind turbine uses, and are all that internal rotor output is taken turns to drive to spray, it is also necessary to use
Traditional mechanical gear box.Since the outer diameter of internal rotor is smaller, connection with blade must there are one transition to connect.Such as using
Flange.
Invention content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of a kind of efficiently section of offer
Energy, light-weight, warm liter is slow, Negative pressure machine simple in structure, without the drive of the external rotor electric machine of sensor and permanent magnetism.
The Negative pressure machine that a kind of external rotor electric machine of the utility model description drives, including outer rotor dc motor and fixation
Frame, outer rotor dc motor are connected with fixed frame by fixing axle, and outer rotor dc motor includes stator and outer rotor
Lid, outer rotor lid is located on stator, and outer rotor is covered equipped with magnetic shoe, is fixed with coil windings on stator, magnetic shoe be located at coil around
The outside of group, outer rotor are covered equipped with blade, and fixing axle one end passes through outer rotor lid and extends on stator.
Specific further, described fixing axle one end is mutually fixedly connected with stator.
It is specific further, it is connected by bearing between the fixing axle and outer rotor lid.
Specific further, the magnetic shoe is mutually not in contact with each other with coil windings.
Specific further, the outer rotor is covered equipped with groove, and magnetic shoe side is inserted in groove.
Specific further, the outer rotor lid is fastened and connected with magnetic shoe.
It is specific further, it is connected by screw between the outer rotor lid and blade.
Specific further, the stator is equipped with outer circle position.
Specific further, the upper and lower surface of the stator is respectively equipped with stator plastic packaging layer, stator plastic packaging layer package
Coil windings.
The utility model has the beneficial effects that：This structure is combined by fixing axle and outer rotor lid, is driven by outer rotor lid
Movable vane piece rotates, and avoids that any mechanical gear is arranged and causes problem of temperature rise, plays not needing liquid oil lubrication, exempts
Liquid oil lubrication environmental pollution, makes that total is succinct, effectively mitigate weight, reduce energy consumption, reduce cost, temperature rises slow and ring
The advantages that guarantor.
Description of the drawings
Fig. 1 is the using state structure diagram of the utility model.
Fig. 2 is the structural schematic diagram that outer rotor dc motor is connected with fixing axle.
Fig. 3 is the schematic cross-sectional view that outer rotor dc motor is connected with fixing axle.
Fig. 4 is the schematic cross-sectional view that stator, outer circle position, coil windings, plastic packaging layer are connected with fixing axle.
The description of symbols of the following drawings：
Outer rotor dc motor 1；Stator 11；Plastic packaging layer 111；Outer circle position 112；Coil windings 12；Outer rotor lid 13；
Magnetic shoe 14；Blade 2；Fixing axle 3；Fixed frame 4.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
As shown in Figures 1 to 4, the Negative pressure machine that a kind of external rotor electric machine of the utility model description drives, including outer rotor are straight
Galvanic electricity motivation 1 and fixed frame 4, outer rotor dc motor 1 and fixed frame 4 are connected by fixing axle 3, outer rotor direct current drive
Machine 1 includes stator 11 and outer rotor lid 13, and outer rotor lid 13 is located on stator 11, and outer rotor lid 13 is equipped with magnetic shoe 14, stator
Coil windings 12 are fixed on 11, magnetic shoe 14 is located at the outside of coil windings 12, and outer rotor lid 13 is equipped with blade 2, fixed
3 one end of axis passes through outer rotor lid 13 and extends on stator 11.This structure is combined by fixing axle 3 and outer rotor lid 13, is led to
The rotation of 13 driving blade 2 of outer rotor lid is crossed, avoids that any mechanical gear is arranged, plays and do not need liquid oil lubrication, exempt from
Except liquid oil lubrication environmental pollution, make that total is succinct, effectively mitigates weight, reduce energy consumption, reduces cost and environmental protection etc.
Advantage.
The utility model is also disclosed：3 one end of the fixing axle is fixedly connected with 11 phase of stator, and stator 11 is determined in implementation
Position effect.It is connected by bearing between the fixing axle 3 and outer rotor lid 13, outer rotor lid 13 can be allowed along fixing axle 3
Outer surface rotates.The magnetic shoe 14 is not in contact with each other with 12 phase of coil windings, reduces and rubs between magnetic shoe 14 and coil windings 12.
The utility model is also disclosed：Specific further, the outer rotor lid 13 is equipped with groove, and 14 side of magnetic shoe is inserted in
In groove, play the role of fixed magnetic shoe 14.In addition, this structure can also use structure as follows：Outer rotor lid 13 and magnetic shoe 14
It is fastened and connected, equally plays the role of fixed magnetic shoe 14.
The utility model is also disclosed：It is connected by screw between the outer rotor lid 13 and blade 2, plays fixed blade
2 effect.In addition, the stator 11 is equipped with outer circle position 112.The outer surface at outer circle position 112 does not use any sealant.
The upper and lower surface of the stator 11 is respectively equipped with stator plastic packaging layer 111, and stator plastic packaging layer 111 wraps up coil windings 12,
Play the role of protecting coil windings 12, further moisture-proof role.In addition, fixed frame 4 supports total, installation is facilitated to make
With.Outer rotor dc motor 1 smoothly can directly drive blade and generate powerful negative pressure gas flow.
Upper is only the preferred embodiment of the utility model, is not intended to limit the utility model, all new in this practicality
Any modification, equivalent replacement or improvement etc., should be included in the protection of the utility model made by within the spirit and principle of type
Within the scope of.
Claims (8)
1. the Negative pressure machine that external rotor electric machine drives, it is characterised in that：Including outer rotor dc motor（1）And fixed frame（4）, outer to turn
Sub- dc motor（1）And fixed frame（4）Pass through fixing axle（3）It is connected, outer rotor dc motor（1）Including stator（11）
With outer rotor lid（13）, outer rotor lid（13）Positioned at stator（11）On, outer rotor lid（13）It is equipped with magnetic shoe（14）, stator（11）
On be fixed with coil windings（12）, magnetic shoe（14）Positioned at coil windings（12）Outside, outer rotor lid（13）It is equipped with blade
（2）, fixing axle（3）One end passes through outer rotor lid（13）And extend to stator（11）On, the stator（11）Upper surface and
Lower surface is respectively equipped with stator plastic packaging layer（111）, stator plastic packaging layer（111）Wrap up coil windings（12）.
2. the Negative pressure machine that external rotor electric machine according to claim 1 drives, it is characterised in that：The fixing axle（3）One end with
Stator（11）Mutually it is fixedly connected.
3. the Negative pressure machine that external rotor electric machine according to claim 1 drives, it is characterised in that：The fixing axle（3）Turn with outer
Son lid（13）Between be connected by bearing.
4. the Negative pressure machine that external rotor electric machine according to claim 1 drives, it is characterised in that：The magnetic shoe（14）With coil around
Group（12）Mutually it is not in contact with each other.
5. the Negative pressure machine that external rotor electric machine according to claim 1 drives, it is characterised in that：The outer rotor lid（13）On set
It is fluted, magnetic shoe（14）Side is inserted in groove.
6. the Negative pressure machine that external rotor electric machine according to claim 1 drives, it is characterised in that：The outer rotor lid（13）With magnetic
Watt（14）It is fastened and connected.
7. the Negative pressure machine that external rotor electric machine according to claim 1 drives, it is characterised in that：The outer rotor lid（13）With leaf
Piece（2）Between be connected by screw.
8. the Negative pressure machine that external rotor electric machine according to claim 1 drives, it is characterised in that：The stator（11）It is equipped with outer
Circle position（112）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406422.4U CN207819661U (en) | 2017-10-30 | 2017-10-30 | The Negative pressure machine that external rotor electric machine drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406422.4U CN207819661U (en) | 2017-10-30 | 2017-10-30 | The Negative pressure machine that external rotor electric machine drives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207819661U true CN207819661U (en) | 2018-09-04 |
Family
ID=63337291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721406422.4U Expired - Fee Related CN207819661U (en) | 2017-10-30 | 2017-10-30 | The Negative pressure machine that external rotor electric machine drives |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207819661U (en) |
-
2017
- 2017-10-30 CN CN201721406422.4U patent/CN207819661U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20201030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |