CN207530631U - A kind of novel permanent-magnet motor structure - Google Patents
A kind of novel permanent-magnet motor structure Download PDFInfo
- Publication number
- CN207530631U CN207530631U CN201721313452.0U CN201721313452U CN207530631U CN 207530631 U CN207530631 U CN 207530631U CN 201721313452 U CN201721313452 U CN 201721313452U CN 207530631 U CN207530631 U CN 207530631U
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- CN
- China
- Prior art keywords
- rotor
- stator
- ventilation hole
- permanent
- magnet
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- 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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Abstract
The utility model provides a kind of novel permanent-magnet motor structure, belongs to electric machine structure technical field.Stator described in the utility model uses low-loss silicon steel material; the rotor is using high intensity, high dynamic performance permanent-magnet material; the protective case uses half permeability magnetic material, and the rotor ventilation hole, stator ventilation hole and permanent magnet are symmetrical about spindle central, are technically characterized in that：There is stator ventilation hole on stator, improve stator heat-sinking capability, rotor is embedded rotor; reduce permanent magnet dosage, reduce stress, reduce leakage magnetic flux; pole embrace is easy to optimize; protective case uses half permeability magnetic material, is placed in permanent magnetism external surface, reduces rotor eddy current loss; increase permanent magnet utilization rate; rotor ventilation hole is about the symmetrical 4 fillet scallop holes of spindle central, reduces ventilation resistance, increases heat dissipation area.
Description
Technical field
The utility model is related to technical field of motors, specifically a kind of novel permanent-magnet motor structure.
Background technology
With the development of motor technology, magneto is by feat of with small, and power density is big, efficient, speed governing
The advantages such as energy is good, and detent torque is big are widely used in the numerous areas of industrial production and daily life.But with to permanent magnetism
The continuous improvement of motor speed requirement, stator heat dissipation area is small, and loss is big, and rotor will bear the centrifugal force that high rotating speed is brought, together
When can be also lost because of windmill and eddy-current loss generates larger Wen Sheng, permanent magnet is mounted on rotor that utilization rate is low, heat dissipation is difficult
The shortcomings of limit the performance and used life of magneto.
Utility model content
The utility model aim is to provide a kind of novel permanent-magnet motor structure, to solve existing magneto in operational process
In, the problems such as loss is big, and heat dissipation is difficult, and permanent magnet utilization rate is low.
Technical solution is used by the utility model in order to achieve the above objectives：The utility model includes stator, rotor, guarantor
Sheath, rotor ventilation hole, stator ventilation hole, permanent magnet, shaft, winding；The stator uses low-loss silicon steel material, described
Rotor using high intensity, high dynamic performance permanent-magnet material, the protective case use half permeability magnetic material, the rotor ventilation
Hole, stator ventilation hole and permanent magnet are symmetrical about spindle central.
In above-mentioned technical proposal, there is stator ventilation hole on the stator.
In above-mentioned technical proposal, the rotor uses permanent magnet embedded rotor.
In above-mentioned technical proposal, the protective case uses half permeability magnetic material, is placed in permanent magnetism external surface.
In above-mentioned technical proposal, the rotor ventilation hole is about the symmetrical 4 fillet scallop holes of spindle central.
By using above-mentioned technical proposal, magneto obtains good runnability, extends service life, on stator
There is stator ventilation hole, not only increase the heat-sinking capability of stator, and alleviate weight, rotor uses permanent magnet embedded turn
Son reduces the dosage of permanent magnet, increases rotor and permanent magnet stress surface area, reduces stress level, reduce leakage field
Logical, pole embrace is easy to optimize, and protective case uses half permeability magnetic material, is placed in permanent magnetism external surface, not only reduces the whirlpool of rotor
Stream loss, and the effective air gap of motor is reduced, the utilization rate of permanent magnet is increased, rotor ventilation hole is about spindle central
Symmetrical 4 fillet scallop holes, reduce ventilation resistance, reduce the magnetic flux of aligned position, reduce the iron core of rotor
Loss, increases heat dissipation area.
Description of the drawings
Attached drawing 1 is a kind of structure diagram of novel permanent-magnet motor of the utility model；
In figure：1st, stator, 2, rotor, 3, protective case, 4, rotor ventilation hole, 5, stator ventilation hole, 6, permanent magnet, 7, turn
Axis, 8, winding.
Specific embodiment
To be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, under
The exemplary implementation of the utility model will be described with reference to attached drawing in text, for clarity and conciseness, in the description
All features of actual implementation mode are not described.
The utility model include stator, rotor, protective case, rotor ventilation hole, stator ventilation hole, permanent magnet, shaft, around
Group；The stator uses low-loss silicon steel material, and the rotor is described using high intensity, high dynamic performance permanent-magnet material
Protective case using half permeability magnetic material, the rotor ventilation hole, stator ventilation hole and permanent magnet symmetrically divide about spindle central
Cloth.
There is stator ventilation hole on the stator.
The rotor uses permanent magnet embedded rotor.
The protective case uses half permeability magnetic material, is placed in permanent magnetism external surface.
The rotor ventilation hole is about the symmetrical 4 fillet scallop holes of spindle central.
By using above-mentioned technical proposal, magneto obtains good runnability, extends service life, on stator
There is stator ventilation hole, not only increase the heat-sinking capability of stator, and alleviate weight, rotor uses permanent magnet embedded turn
Son reduces the dosage of permanent magnet, increases rotor and permanent magnet stress surface area, reduces stress level, reduce leakage field
Logical, pole embrace is easy to optimize, and protective case uses half permeability magnetic material, is placed in permanent magnetism external surface, not only reduces the whirlpool of rotor
Stream loss, and the effective air gap of motor is reduced, the utilization rate of permanent magnet is increased, rotor ventilation hole is about spindle central
Symmetrical 4 fillet scallop holes, reduce ventilation resistance, reduce the magnetic flux of aligned position, reduce the iron core of rotor
Loss, increases heat dissipation area.
Stator uses low-loss silicon steel material, and rotor is using high intensity, high dynamic performance permanent-magnet material, the protective case
Using half permeability magnetic material, the rotor ventilation hole, stator ventilation hole and permanent magnet are symmetrical about spindle central, on stator
There is stator ventilation hole, not only increase the heat-sinking capability of stator, and alleviate weight, rotor uses permanent magnet embedded turn
Son reduces the dosage of permanent magnet, increases rotor and permanent magnet stress surface area, reduces stress level, reduce leakage field
Logical, pole embrace is easy to optimize, and protective case uses half permeability magnetic material, is placed in permanent magnetism external surface, not only reduces the whirlpool of rotor
Stream loss, and the effective air gap of motor is reduced, the utilization rate of permanent magnet is increased, rotor ventilation hole is about spindle central
Symmetrical 4 fillet scallop holes, reduce ventilation resistance, reduce the magnetic flux of aligned position, reduce the iron core of rotor
Loss, increases heat dissipation area.
Although the revealed embodiment of the utility model is as above, its content is only to facilitate understand the utility model
Technical solution and the embodiment that uses, be not intended to limit the utility model.Any the utility model technical field
Interior technical staff, can be in the form of implementation under the premise of the revealed core technology scheme of the utility model is not departed from
With any modification and variation are made in details, but the protection domain that the utility model is limited still must be with appended claims
Subject to the range of restriction.
Claims (5)
1. a kind of novel permanent-magnet motor structure, which is characterized in that motor body includes stator, rotor, protective case, stator ventilation
Hole, rotor ventilation hole, permanent magnet, shaft, winding；Stator uses low-loss silicon steel material, and rotor is using high intensity, high dynamic
Energy Nd-Fe-B permanent magnet material, protective case is in permanent magnetism external surface, and stator ventilation hole is on stator, and rotor ventilation hole is in rotor
Portion, permanent magnet are embedded in internal rotor, and stator ventilation hole, rotor ventilation hole and permanent magnet are symmetrical about spindle central.
2. a kind of novel permanent-magnet motor structure according to claim 1, it is characterised in that：There is stator ventilation hole on stator.
3. a kind of novel permanent-magnet motor structure according to claim 1, it is characterised in that：Rotor is using permanent magnet embedded
Rotor.
4. a kind of novel permanent-magnet motor structure according to claim 1, it is characterised in that：Protective case uses half magnetic conduction material
Material, is placed in permanent magnetism external surface.
5. a kind of novel permanent-magnet motor structure according to claim 1, it is characterised in that：Rotor ventilation hole is about shaft
Centrosymmetric 4 fillet scallop holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721313452.0U CN207530631U (en) | 2017-10-12 | 2017-10-12 | A kind of novel permanent-magnet motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721313452.0U CN207530631U (en) | 2017-10-12 | 2017-10-12 | A kind of novel permanent-magnet motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207530631U true CN207530631U (en) | 2018-06-22 |
Family
ID=62570253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721313452.0U Expired - Fee Related CN207530631U (en) | 2017-10-12 | 2017-10-12 | A kind of novel permanent-magnet motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207530631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020043049A1 (en) * | 2018-08-30 | 2020-03-05 | 南京磁谷科技有限公司 | Composite type permanent magnet of synchronous permanent magnet motor rotor |
-
2017
- 2017-10-12 CN CN201721313452.0U patent/CN207530631U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020043049A1 (en) * | 2018-08-30 | 2020-03-05 | 南京磁谷科技有限公司 | Composite type permanent magnet of synchronous permanent magnet motor rotor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20191012 |