CN108808910A - A kind of built-in hybrid permanent magnet motor - Google Patents
A kind of built-in hybrid permanent magnet motor Download PDFInfo
- Publication number
- CN108808910A CN108808910A CN201810562147.8A CN201810562147A CN108808910A CN 108808910 A CN108808910 A CN 108808910A CN 201810562147 A CN201810562147 A CN 201810562147A CN 108808910 A CN108808910 A CN 108808910A
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- Prior art keywords
- permanent magnet
- groove
- rectangular configuration
- built
- slot
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Classifications
-
- 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
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Abstract
The invention discloses a kind of built-in hybrid permanent magnet motors, are equipped with V-groove (2) along rotor (1) circumferencial direction, the V-groove is divided into two rectangular configurations up and down per side；Two kinds of rectangular configurations are divided into big rectangular configuration (8) and small rectangular configuration (7), and the permanent magnet of ferrite and neodymium iron boron material is respectively arranged in the slot；The V-groove bottom is provided with zigzag reinforcing rib (5)；It is equipped with "-" type slot (3) among the V-groove and rotor outer edge, Nd-Fe-B permanent magnet (4) is placed in the "-" type slot；The permanent magnet is all made of the vertical mode that magnetizes；The V-groove and "-" type slot constitute one group of slot structure；It is provided with sickle-shaped magnetic bridge (6) between two groups of slot structures.A kind of built-in hybrid permanent magnet motor proposed by the present invention improves motor permanent magnet utilization rate, output torque and efficiency, and reduce torque pulsation by the asymmetric magnet structure that different materials are arranged.
Description
Technical field
The invention belongs to technical field of motors, are related to a kind of built-in hybrid permanent magnet motor.
Background technology
Currently, high efficiency of energy Utilizing question is all very paid close attention in the whole world, how to realize that efficient utilize of the energy has become
The theme of world development；Commercial motor still has the relatively low problem of capacity usage ratio at present, by improving industry
It can realize that apparent high efficiency of energy utilizes with the efficiency of motor.Interior permanent magnet machines due to using permanent magnet excitation, and
There is no rotor resistance loss in stable operation, and then total losses can be effectively reduced, so being carried with prodigious efficiency
High spatial and advantage.The characteristics of for built-in hybrid permanent magnet motor, pass through the optimization design to electric machine rotor topological structure
The electromagnetic performances such as the efficiency of built-in hybrid permanent magnet motor can be improved.
The operation principle of interior permanent magnet machines is, the rotating excitation field that the electrical excitation of stator generates, and built-in in rotor
The magnetic field interaction that permanent magnet generates, so that rotor rotates；Since permanent magnet is rotor surface phase in embedded rotor
To smooth, there is saliency, but the problem that magnetic leakage factor can be brought relatively large in this way so that air-gap flux is relatively small,
To reduce the utilization rate of permanent magnet.By using a variety of permanent magnet material composite excitations, and be rationally arranged on rotor every
Magnetic bridge can allow to the torque utilization rate for improving motor, reduce torque pulsation；But unreasonable permanent magnet arrangement and
The design of magnetic bridge is not only unable to reach the effect for improving motor performance, may bring bigger energy loss instead；Therefore,
Rational permanent magnet arrangement, the design of magnetic bridge shape have positive meaning to improving motor torque output and electric efficiency.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention to provide a kind of built-in hybrid permanent magnet electricity
Machine, it can not only improve the efficiency and torque utilization rate of built-in hybrid permanent magnet motor, can reduce output torque fluctuation.
To achieve the above object, the technical solution adopted by the present invention is：A kind of built-in hybrid permanent magnet motor, including rotor
With stator two parts, the rotor (1) is located in stator (9)；V-groove (2) is circumferentially provided on the rotor；
It is equipped with "-" type slot (3) among the V-groove (2) and rotor outer edge；The V-groove and "-" type slot constitute one group of slot knot
Structure, the permanent magnet polarity in one group of slot are identical；Sickle-shaped magnetic bridge (6) is provided between two groups of slot structures.
Further：The each edge of the V-groove (2) is divided into two parts up and down；It is described up and down two parts be two not
With the rectangular configuration of width and length, two kinds of rectangular configurations are divided into big rectangular configuration (8) and small rectangular configuration (7), and the two
Center line is not coaxial；Ferrite permanent magnet is placed in two big rectangular configuration, Nd-Fe-B permanent magnetic is placed in two small rectangular configurations
Body, the big rectangular configuration in left side of V-groove on top, small rectangular configuration in lower part, the small rectangular configuration in right side of V-groove on top,
Big rectangular configuration is in lower part；V-groove (2) bottom is provided with zigzag reinforcing rib (5).
Preferably：It is placed with Nd-Fe-B permanent magnet (4) in each "-" type slot (3).
Preferably：It is provided between the slot structure that two groups of V-grooves (2) and "-" type slot (3) are constituted sickle-shaped every magnetic
Bridge (6), permanent magnet are all made of the vertical mode that magnetizes.
Preferably：Big rectangular configuration (8) and small rectangular configuration (7) width ratio in the V-groove (2) are 1：2.35-
2.89, length ratio is：1：4.77-5.3.
Preferably：The "-" type slot (3) and the length ratio of Nd-Fe-B permanent magnet therein (4) are：1：1.25-1.4 wide
Spending ratio is：1：1.15-2.35.
Preferably：The open-ended angle c of the sickle-shaped magnetic bridge (6) is：46 ° -73 °, tail length is ranging from：
3.6-5.1mm。
A kind of stator rotor structure of built-in permanent-magnet brushless direct current generator provided by the invention, compared with prior art, tool
There is following advantageous effect：
1. due to the use of the arrangement mode of V-type permanent magnet so that the rotor flux path of motor is improved, and the knot is passed through
The permanent magnet utilization rate of the use of structure, motor is improved, every crucial electricity such as unloaded air gap flux density and no-load back electromotive force
Magnetic parameter is improved so that motor overall performance is improved.
The arrangement of 2.V types constitutes magnetic circuit in parallel, and V-type arrangement is together constituted with the arrangement of "-" type permanent magnet and connected
Magnetic circuit, the common utilization of two kinds of magnetic flux paths so that the motor both had series circuit reluctance torque big, and leakage field is small,
Permanent magnet is not easy the advantages of demagnetizing, and has many advantages, such as that parallel circuits air gap flux density is big, torque pulsation is small, improves in all its bearings
Motor electromagnetic performance.
3. the use of "-" type Nd-Fe-B permanent magnet can effectively improve the ability of motor electromagnetic capability exchange, one is improved
The anti-demagnetization capability of the permanent magnet of font Nd-Fe-B permanent magnet both sides.
4. using sickle-shaped magnetic bridge structure, permanent magnet utilization rate is improved, the reduction of iron loss and eddy-current loss is realized,
So that the operational efficiency of motor further increases.
In conclusion the present invention can put forward the torque utilization rate of built-in hybrid permanent magnet motor, leakage field is reduced, improves anti-move back
Magnetic energy power has many advantages, such as that permanent magnet utilization rate is high, torque pulsation is small, loss is low and efficient.
Description of the drawings
Fig. 1 is 8 pole rotor structure figures of preferred built-in hybrid permanent magnet motor.
Fig. 2 is V-groove and "-" type slot structure figure.
Fig. 3 is sickle-shaped magnetic bridge structure chart.
Fig. 4 is permanent magnet magnetization direction schematic diagram, and in figure, the direction of arrow is the direction of magnetization.
Fig. 5 is preferred embodiment structural schematic diagram.
Wherein：1 is rotor, and 2 be V-groove, and 3 be "-" type slot, and 4 be Nd-Fe-B permanent magnet, and 5 be zigzag reinforcing rib, and 6 are
Magnetic bridge, 7 be small rectangular configuration, and 8 be big rectangular configuration, and 9 be stator, and α is the open-ended angle of sickle-shaped magnetic bridge.
Specific implementation mode
The present invention is further described below in conjunction with the accompanying drawings.
A kind of built-in hybrid permanent magnet motor, including rotor and stator two parts, the rotor (1) are located at stator (9)
It is interior；V-groove (2) is circumferentially provided on the rotor；It is equipped with a word among the V-groove (2) and rotor outer edge
Type groove (3)；The V-groove and "-" type slot constitute one group of slot structure, and the permanent magnet polarity in one group of slot is identical；Two groups of slots
Sickle-shaped magnetic bridge (6) is provided between structure.
Every side of the V-groove is divided into two parts up and down；Described two parts up and down are two different in width and length
Rectangular configuration, described two kinds of rectangular configurations are divided into big rectangular configuration (8) and small rectangular configuration (7), and the center line of the two is not
Coaxially；The permanent magnet of ferrite and neodymium iron boron material is respectively arranged in the big rectangular configuration and small rectangular configuration, wherein
Left side ferrite permanent magnet material on top, Nd-Fe-B permanent magnet material in lower part, right side Nd-Fe-B permanent magnet material on top,
Ferrite permanent magnet material is in lower part；V-groove (2) bottom is provided with zigzag reinforcing rib (5).
It is placed with Nd-Fe-B permanent magnet (4) in each "-" type slot (3).
It is provided with sickle-shaped magnetic bridge (6) between the slot structure that two groups of V-grooves (2) and "-" type slot (3) are constituted, forever
Magnet is all made of the vertical mode that magnetizes.
Big rectangular configuration (8) and small rectangular configuration (7) width ratio in the V-groove (2) are 1：2.35-2.89 long
Spending ratio is：1：4.77-5.3.
The "-" type slot (3) and the length ratio of Nd-Fe-B permanent magnet therein (4) are：1：1.25-1.4 width ratio is：
1：1.15-2.35.
The open-ended angle c of the sickle-shaped magnetic bridge (6) is：46 ° -73 °, tail length is ranging from：3.6-
5.1mm。
The principle of the present invention is as follows：
The principle for utilizing " improvement of the composite excitation structure to motor performance " and " leakage field minimum ", is provided on rotor
Several V-types are used to be embedded in the slot of hybrid permanent-magnet, these slots are arranged on using rotating shaft core as on the rotor of dot, V-groove
Two parts up and down are divided into per side；It is described up and down two parts be two different in width and length rectangular configuration, described two kinds
Rectangular configuration is divided into big rectangular configuration (8) and small rectangular configuration (7), and the center line of the two is not coaxial；The big rectangle knot
The permanent magnet of ferrite and neodymium iron boron material is respectively arranged in structure and small rectangular configuration, wherein left side ferrite permanent magnet material
On top, Nd-Fe-B permanent magnet material is in lower part, and right side Nd-Fe-B permanent magnet material is on top, and ferrite permanent magnet material is under
Portion；Zigzag reinforcing rib is arranged in V-groove bottom；It is equipped with "-" type slot among V-groove and rotor outer edge, is placed in "-" type slot
There is Nd-Fe-B permanent magnet；These permanent magnets are all made of the vertical mode that magnetizes；The V-groove and "-" type slot constitute one group of slot knot
Structure, the permanent magnet polarity in one group of slot are identical；It is provided with sickle-shaped magnetic bridge between two groups of slot structures；By being adopted
With slot structure and sickle-shaped magnetic bridge in irregular shape, the utilization rate of permanent magnet is improved with this, improves the torque profit of motor
With rate and electric efficiency.
As shown in Figure 1, in the rotor structure of this motor, it is equipped with V-groove along rotor circumference direction, V-groove bottom is set
Zigzag reinforcing rib is set, the purpose for reinforcing rotor mechanical strength is played.
As shown in Fig. 2, every side of V-groove is divided into two parts up and down；Described two parts up and down be two different in width and
The rectangular configuration of length, described two kinds of rectangular configurations are divided into big rectangular configuration and small rectangular configuration, and the center line of the two is not
Coaxially；The permanent magnet of ferrite and neodymium iron boron material is respectively arranged in the big rectangular configuration and small rectangular configuration, wherein
Left side ferrite permanent magnet material on top, Nd-Fe-B permanent magnet material in lower part, right side Nd-Fe-B permanent magnet material on top,
Ferrite permanent magnet material is in lower part；It is equipped with "-" type slot among V-groove and rotor outer edge, neodymium iron is placed in "-" type slot
Boron permanent magnet, big rectangular configuration and small rectangular configuration width ratio in V-groove are 1：2.35-2.89 length ratio is：1：4.77-
5.3, "-" type slot and the length ratio of Nd-Fe-B permanent magnet therein are：1：1.25-1.4 width ratio is：1：1.15-2.35.
Number 2 represents entire V-structure, this V-structure includes big rectangular configuration (8) and small rectangular configuration (7), and two
Ferrite permanent magnet can be placed in a big rectangular configuration, and Nd-Fe-B permanent magnet, entire V-type knot can be placed in two small rectangular configurations
The big rectangular configuration in left side of structure is on top (namely ferrite permanent magnet is on top), and small rectangular configuration is in lower part (namely neodymium
Iron boron permanent magnet is in lower part), right side is opposite with left side.
As shown in figure 3, it is provided with sickle-shaped magnetic bridge between two groups of slot structures, the sickle-shaped open-ended angle of magnetic bridge
α is ranging from：46 ° -73 °, tail length is ranging from：3.6-5.1mm.The utilization of sickle-shaped magnetic bridge can reduce permanent magnetism body drain
Magnetic greatly improves the torque utilization rate of motor, reduces and is lost, raising electric efficiency, however the open-ended angle of sickle-shaped magnetic bridge
Degree and tail length Bu Tong can also bring different influences to motor performance, be managed or even to influence motor normal if off size
Operation.
As shown in figure 4, the permanent magnet material polarity in the same slot structure is identical, difference group slot structure permanent magnet material pole
Property is opposite.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (8)
1. a kind of built-in hybrid permanent magnet motor, which is characterized in that including rotor and stator two parts, the rotor (1) position
In stator (9)；V-groove (2) is circumferentially provided on the rotor；Among the V-groove (2) and rotor outer edge
Equipped with "-" type slot (3)；The V-groove and "-" type slot constitute one group of slot structure, and the permanent magnet polarity in one group of slot is identical；Institute
It states and is provided with magnetic bridge (6) between two groups of slot structures.
2. a kind of built-in hybrid permanent magnet motor according to claim 1, it is characterised in that：Every of the V-groove (2)
While being divided into two parts up and down；Described two parts up and down are the rectangular configuration of two different in width and length, two kinds of rectangular configurations
It is divided into big rectangular configuration (8) and small rectangular configuration (7), and the center line of the two is not coaxial；Iron is placed in two big rectangular configuration
Oxysome permanent magnet places Nd-Fe-B permanent magnet in two small rectangular configurations, and the big rectangular configuration in left side of V-groove is in top, small square
Shape structure is in lower part, and the small rectangular configuration in right side of V-groove is on top, and big rectangular configuration is in lower part；V-groove (2) bottom is provided with
Reinforcing rib (5).
3. a kind of built-in hybrid permanent magnet motor according to claim 2, it is characterised in that：In each "-" type slot (3)
It is placed with Nd-Fe-B permanent magnet (4).
4. a kind of built-in hybrid permanent magnet motor according to claim 3, it is characterised in that：Two groups of V-grooves (2) and a word
Sickle-shaped magnetic bridge (6) is provided between the slot structure that type groove (3) is constituted, permanent magnet is all made of the vertical mode that magnetizes.
5. a kind of built-in hybrid permanent magnet motor according to claim 1, it is characterised in that：In the V-groove (2)
Big rectangular configuration (8) and small rectangular configuration (7) width ratio are 1：2.35-2.89 length ratio is：1：4.77-5.3.
6. a kind of built-in hybrid permanent magnet motor according to claim 2, it is characterised in that：The "-" type slot (3) with
The length ratio of Nd-Fe-B permanent magnet (4) therein is：1：1.25-1.4 width ratio is：1：1.15-2.35.
7. a kind of built-in hybrid permanent magnet motor according to claim 4, it is characterised in that：The sickle-shaped magnetic bridge (6)
Open-ended angle c is：46 ° -73 °, tail length is ranging from：3.6-5.1mm.
8. a kind of built-in hybrid permanent magnet motor according to claim 2, it is characterised in that：Reinforcing rib (5) is zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562147.8A CN108808910B (en) | 2018-06-04 | 2018-06-04 | Built-in hybrid permanent magnet motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562147.8A CN108808910B (en) | 2018-06-04 | 2018-06-04 | Built-in hybrid permanent magnet motor |
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| CN108808910A true CN108808910A (en) | 2018-11-13 |
| CN108808910B CN108808910B (en) | 2020-11-03 |
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| CN201810562147.8A Active CN108808910B (en) | 2018-06-04 | 2018-06-04 | Built-in hybrid permanent magnet motor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617279A (en) * | 2019-01-18 | 2019-04-12 | 江苏大学 | A kind of built-in hybrid permanent magnet motor rotor construction of modularization |
| CN109818474A (en) * | 2019-03-11 | 2019-05-28 | 浙江龙芯电驱动科技有限公司 | A kind of high reluctance torque concentratred winding brushless motor |
| CN109936230A (en) * | 2019-03-28 | 2019-06-25 | 东南大学 | A kind of series circuit type two-layer hybrid permanent magnetism memory electrical machine |
| CN110277851A (en) * | 2019-07-23 | 2019-09-24 | 中达电机股份有限公司 | Mixed magneto rotor and its mixed magneto |
| CN112701823A (en) * | 2020-12-02 | 2021-04-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor core, motor and air conditioning unit |
| EP4020778A4 (en) * | 2019-09-30 | 2023-11-29 | Daikin Industries, Ltd. | Rotor and motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000092763A (en) * | 1998-09-18 | 2000-03-31 | Toshiba Corp | Permanent magnet type motor |
| JP2009268204A (en) * | 2008-04-23 | 2009-11-12 | Toyota Motor Corp | Rotor for ipm motor, and ipm motor |
| CN104104168A (en) * | 2014-07-16 | 2014-10-15 | 东南大学 | Stator and rotor structure of built-in permanent magnet brushless direct current motor |
| CN104242509A (en) * | 2013-06-05 | 2014-12-24 | 上海欧普斯达光纤通信设备有限公司 | Rotor of permanent magnetic composite excitation synchronous motor |
| CN104836355A (en) * | 2015-05-14 | 2015-08-12 | 广东美芝制冷设备有限公司 | Rotor of rotary motor, permanent magnetic motor, compressor and air-conditioning system |
| CN207098792U (en) * | 2017-06-27 | 2018-03-13 | 上海电驱动股份有限公司 | A kind of rotor punching of permagnetic synchronous motor |
-
2018
- 2018-06-04 CN CN201810562147.8A patent/CN108808910B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000092763A (en) * | 1998-09-18 | 2000-03-31 | Toshiba Corp | Permanent magnet type motor |
| JP2009268204A (en) * | 2008-04-23 | 2009-11-12 | Toyota Motor Corp | Rotor for ipm motor, and ipm motor |
| CN104242509A (en) * | 2013-06-05 | 2014-12-24 | 上海欧普斯达光纤通信设备有限公司 | Rotor of permanent magnetic composite excitation synchronous motor |
| CN104104168A (en) * | 2014-07-16 | 2014-10-15 | 东南大学 | Stator and rotor structure of built-in permanent magnet brushless direct current motor |
| CN104836355A (en) * | 2015-05-14 | 2015-08-12 | 广东美芝制冷设备有限公司 | Rotor of rotary motor, permanent magnetic motor, compressor and air-conditioning system |
| CN207098792U (en) * | 2017-06-27 | 2018-03-13 | 上海电驱动股份有限公司 | A kind of rotor punching of permagnetic synchronous motor |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617279A (en) * | 2019-01-18 | 2019-04-12 | 江苏大学 | A kind of built-in hybrid permanent magnet motor rotor construction of modularization |
| CN109617279B (en) * | 2019-01-18 | 2020-11-03 | 江苏大学 | Modular built-in hybrid permanent magnet motor rotor structure |
| CN109818474A (en) * | 2019-03-11 | 2019-05-28 | 浙江龙芯电驱动科技有限公司 | A kind of high reluctance torque concentratred winding brushless motor |
| CN109818474B (en) * | 2019-03-11 | 2024-03-22 | 浙江龙芯电驱动科技有限公司 | High-reluctance torque concentrated winding brushless motor |
| CN109936230A (en) * | 2019-03-28 | 2019-06-25 | 东南大学 | A kind of series circuit type two-layer hybrid permanent magnetism memory electrical machine |
| CN110277851A (en) * | 2019-07-23 | 2019-09-24 | 中达电机股份有限公司 | Mixed magneto rotor and its mixed magneto |
| EP4020778A4 (en) * | 2019-09-30 | 2023-11-29 | Daikin Industries, Ltd. | Rotor and motor |
| CN112701823A (en) * | 2020-12-02 | 2021-04-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor core, motor and air conditioning unit |
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| CN108808910B (en) | 2020-11-03 |
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