CN105932844A - Novel permanent magnet synchronous motor structure - Google Patents
Novel permanent magnet synchronous motor structure Download PDFInfo
- Publication number
- CN105932844A CN105932844A CN201610483869.5A CN201610483869A CN105932844A CN 105932844 A CN105932844 A CN 105932844A CN 201610483869 A CN201610483869 A CN 201610483869A CN 105932844 A CN105932844 A CN 105932844A
- Authority
- CN
- China
- Prior art keywords
- rotor
- stator
- permanent magnet
- synchronous motor
- motor structure
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a novel permanent magnet synchronous motor structure, which comprises a stator, a rotor and a rotating shaft, wherein the stator comprises a stator core; a plurality of stator slots are formed in the stator core; a stator winding is embedded into each stator slot; the rotor comprises a rotor core which is arranged on the rotating shaft; a plurality of rotor slots are formed in the rotor core; and a rotor conductor is arranged in each rotor slot. By the novel permanent magnet synchronous motor structure, the dosage of a permanent magnet can be reduced; the magnetic resistance of a quadrature axis magnetic circuit can also be increased; the magnetic circuit is not easily saturated; the iron loss is reduced; and meanwhile, the effect of AC armature reaction on the direct axis air-gap permanent magnet magnetic field when a motor runs can also be reduced.
Description
Technical field
The present invention relates to new-energy automobile manufacturing technology field, particularly relate to a kind of novel permanent magnetic synchronous motor structure.
Background technology
Along with economic develops rapidly, automobile has become one of important trip mode of people, and electric automobile is because of its distinctive advantage that can reduce air pollution, it has also become the study hotspot of current automotive industry.Electric automobile, under the working conditions such as starting, climbing, needs bigger output torque, and now the travel speed of automobile is slow；In the occasion of some high-speed cruisings, then needing in a bigger scope can the travel speed of invariable power regulation automobile.
Summary of the invention
For solving the problems referred to above present in prior art and practical situation, the present invention provides a kind of novel permanent magnetic synchronous motor structure.This electric machine structure includes that stator, rotor and rotating shaft, described stator include stator
Iron core, described stator core offers multiple stator slot, is all embedded with stator winding in each described stator slot；Described rotor includes the rotor core being arranged in rotating shaft, described rotor core offers multiple rotor slot, is equipped with rotor conductor in each described rotor slot.
Preferably, described rotor core is uniformly provided with even number around rotating shaft be M shape arrangement, relative to straight axisymmetric permanent magnet trough, described permanent magnet trough is embedded with permanent magnet.
Preferably, the rotor core between described permanent magnet trough in axial direction offers the triangular ventilation hole of band rib.
Beneficial effect:
A kind of novel permanent magnetic synchronous motor structure that the present invention provides, it is possible not only to reduce the consumption of permanent magnet, also can increase the magnetic resistance of quadrature axis magnetic circuit, make magnetic circuit be not easy saturated, reduce iron loss, the most also can alleviate the exchange armature-reaction impact on d-axis air gap permanent magnet magnetic field when motor runs.
Detailed description of the invention
Technical solution of the present invention is described in detail below.
The open a kind of novel permanent magnetic synchronous motor structure of embodiments of the invention, including stator, rotor and rotating shaft, described stator includes stator core, described stator core offers multiple stator slot, is all embedded with stator winding in each described stator slot；Described rotor includes the rotor core being arranged in rotating shaft, described rotor core offers multiple rotor slot, is equipped with rotor conductor in each described rotor slot.
Further, described rotor core is uniformly provided with even number around rotating shaft be M shape arrangement, relative to straight axisymmetric permanent magnet trough, described permanent magnet trough is embedded with permanent magnet.
Further, the rotor core between described permanent magnet trough in axial direction offers the triangular ventilation hole of band rib.So, the heat dispersion of rotor can be improved, reduce temperature of rotor, protect permanent magnet.
A kind of novel permanent magnetic synchronous motor structure that the present invention provides, it is possible not only to reduce the consumption of permanent magnet, also can increase the magnetic resistance of quadrature axis magnetic circuit, make magnetic circuit be not easy saturated, reduce iron loss, the most also can alleviate the exchange armature-reaction impact on d-axis air gap permanent magnet magnetic field when motor runs.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention, although the present invention being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (3)
1. a novel permanent magnetic synchronous motor structure, it is characterised in that include that stator, rotor and rotating shaft, described stator include stator
Iron core, described stator core offers multiple stator slot, is all embedded with stator winding in each described stator slot；Described rotor includes the rotor core being arranged in rotating shaft, described rotor core offers multiple rotor slot, is equipped with rotor conductor in each described rotor slot.
A kind of novel permanent magnetic synchronous motor structure the most according to claim 1, it is characterised in that be uniformly provided with on described rotor core even number around rotating shaft be the arrangement of M shape, relative to straight axisymmetric permanent magnet trough, described permanent magnet trough is embedded with permanent magnet.
A kind of novel permanent magnetic synchronous motor structure the most according to claim 2, it is characterised in that in axial direction offer the triangular ventilation hole of band rib on the rotor core between described permanent magnet trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483869.5A CN105932844A (en) | 2016-06-28 | 2016-06-28 | Novel permanent magnet synchronous motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610483869.5A CN105932844A (en) | 2016-06-28 | 2016-06-28 | Novel permanent magnet synchronous motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105932844A true CN105932844A (en) | 2016-09-07 |
Family
ID=56828877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610483869.5A Pending CN105932844A (en) | 2016-06-28 | 2016-06-28 | Novel permanent magnet synchronous motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105932844A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139790A (en) * | 1977-08-31 | 1979-02-13 | Reliance Electric Company | Direct axis aiding permanent magnets for a laminated synchronous motor rotor |
| CN1581641A (en) * | 2003-08-13 | 2005-02-16 | 朱明聪 | Self-start permanent magnet synchronous motor rotor structure |
| CN1617423A (en) * | 2004-11-29 | 2005-05-18 | 天津大学 | Controllable flux permament magnetic synchronous motor of built-in mixed rotor magnetic path structure |
| CN201294443Y (en) * | 2008-12-01 | 2009-08-19 | 东元总合科技（杭州）有限公司 | Permanent magnet self-startup synchronous motor rotor |
| CN102684439A (en) * | 2012-06-11 | 2012-09-19 | 中国矿业大学 | Reverse salient pole permanent magnet synchronous motor |
-
2016
- 2016-06-28 CN CN201610483869.5A patent/CN105932844A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139790A (en) * | 1977-08-31 | 1979-02-13 | Reliance Electric Company | Direct axis aiding permanent magnets for a laminated synchronous motor rotor |
| CN1581641A (en) * | 2003-08-13 | 2005-02-16 | 朱明聪 | Self-start permanent magnet synchronous motor rotor structure |
| CN1617423A (en) * | 2004-11-29 | 2005-05-18 | 天津大学 | Controllable flux permament magnetic synchronous motor of built-in mixed rotor magnetic path structure |
| CN201294443Y (en) * | 2008-12-01 | 2009-08-19 | 东元总合科技（杭州）有限公司 | Permanent magnet self-startup synchronous motor rotor |
| CN102684439A (en) * | 2012-06-11 | 2012-09-19 | 中国矿业大学 | Reverse salient pole permanent magnet synchronous motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |
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| RJ01 | Rejection of invention patent application after publication |