CN204465184U - A kind of rotary motor rotor - Google Patents

A kind of rotary motor rotor Download PDF

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Publication number
CN204465184U
CN204465184U CN201520089639.1U CN201520089639U CN204465184U CN 204465184 U CN204465184 U CN 204465184U CN 201520089639 U CN201520089639 U CN 201520089639U CN 204465184 U CN204465184 U CN 204465184U
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CN
China
Prior art keywords
slotted eye
ferrite magnetic
magnetic steel
rotary motor
magnet
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
Application number
CN201520089639.1U
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Chinese (zh)
Inventor
张胜川
高晓杰
牛敬彬
徐婷婷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Macao tecka new energy technology (Shanghai) Co., Ltd.
Original Assignee
Suzhou Pixcir Microelectronics Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to CN201520089639.1U priority Critical patent/CN204465184U/en
Application granted granted Critical
Publication of CN204465184U publication Critical patent/CN204465184U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of rotary motor rotor, comprise rotating shaft and rotor core, some Nd-Fe-B magnet steels of tangential on board equably in described rotor core, between adjacent two Nd-Fe-B magnet steels, radial direction is built-in with ferrite magnetic steel; The mode that adjacent Nd-Fe-B magnet steel adopts N, N positioned opposite, adjacent ferrite magnetic steel adopts the spaced apart mode of N, S.Usefulness is: rotor of the present utility model takes full advantage of ferrite magnetic steel and reluctance torque, while guarantee motor output torque, significantly decreases the use amount of Nd-Fe-B magnet steel, reduces the cost of magneto.

Description

A kind of rotary motor rotor
Technical field
The utility model relates to a kind of rotary motor rotor, particularly relates to a kind of parallel rotary motor rotor utilizing ferrite magnetic steel and Nd-Fe-B magnet steel.
Background technology
Magneto receives increasing concern due to its advantage such as high power density, high efficiency.But the price of present high performance permanent magnetic materials neodymium iron boron rises steadily, many research institutions and electric machine manufacturer is made to start technical field research direction transfer at least being used neodymium iron boron or do not use neodymium iron boron.
The direction of magnetization of built-in type permanent-magnet according to permanent magnetic steel and the correlation of rotor direction of rotation, its rotor magnetic circuit structural be divided into radial, tangential, hybrid three kinds.Radial magnetic leakage factor is little, and rotating shaft does not need to take every magnetic measure, and rotor punching mechanical strength is high; Tangential magnetic leakage factor is comparatively large, and need to take accordingly every magnetic measure, the manufacturing process of motor and manufacturing cost comparatively radial are high, and advantage is that the magnetic flux under a pole span is provided by adjacent two magnetic pole parallels, can obtain larger every pole magnetic flux; Hybrid combination has concentrated the advantage of radial and tangential rotor structure, but structure and manufacturing process more complicated, manufacturing cost is higher.
Magneto, except having the permanent-magnet torque of permanent magnet generation, also has reluctance torque.Make full use of its reluctance torque, the use reducing Nd-Fe-B magnet steel is had great importance.
Utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is the rotary motor rotor providing a kind of novel structure, take full advantage of reluctance torque and the low cost ferrite permanent-magnet magnet steel of motor, while maintenance magneto has higher efficiency, higher power density, greatly reduce the use amount of Nd-Fe-B magnet steel of motor internal high-performance, high cost, and then effectively reduce the cost of motor.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
A kind of rotary motor rotor, comprises rotating shaft and rotor core, some Nd-Fe-B magnet steels of tangential on board equably in described rotor core, and between adjacent two Nd-Fe-B magnet steels, radial direction is built-in with ferrite magnetic steel; The mode that adjacent Nd-Fe-B magnet steel adopts N, N positioned opposite, adjacent ferrite magnetic steel adopts the spaced apart mode of N, S.
Particularly, be formed in foregoing rotor iron core and be uniformly distributed and spaced some first kind slotted eyes and Equations of The Second Kind slotted eye, described first kind slotted eye comprises linear pattern kerve and side channel, described Equations of The Second Kind slotted eye is linear pattern, Nd-Fe-B magnet steel is placed in the side channel of first kind slotted eye, in the kerve that ferrite magnetic steel is placed in first kind slotted eye and Equations of The Second Kind slotted eye.
Preferably, aforementioned ferrite magnetic steel is diametrical magnetization.
Preferably, aforementioned Nd-Fe-B magnet steel is circumferential magnetization.
Preferably, this rotor is 8 electrode structures.
As a kind of specific embodiment, aforementioned ferrite magnetic steel is single layer structure.
As another kind of specific embodiment, the kerve of slotted eye and Equations of The Second Kind slotted eye is other is also arranged with the 3rd class slotted eye in parallel in first, be built-in with ferrite magnetic steel in described 3rd class slotted eye, described ferrite magnetic steel is double-decker.
Usefulness of the present utility model is: rotor of the present utility model takes full advantage of ferrite magnetic steel and reluctance torque, while guarantee motor output torque, significantly decreases the use amount of Nd-Fe-B magnet steel, reduces the cost of magneto.
Accompanying drawing explanation
Fig. 1 is the rotor cutaway view of embodiment 1 of the present utility model;
Fig. 2 is magnetic circuit schematic diagram embodiment illustrated in fig. 1;
Fig. 3 is the electronics rotor cutaway view of embodiment 2 of the present utility model;
Fig. 4 is magnetic circuit schematic diagram embodiment illustrated in fig. 3.
The implication of Reference numeral in figure: 1: rotor core, 2: rotating shaft, 3-1: first kind slotted eye, 4-1,4-2,6-1,6-2: ferrite magnetic steel, 5: Nd-Fe-B magnet steel, 7-1: Equations of The Second Kind slotted eye, 3-2,7-2: the 3rd class slotted eye.
Embodiment
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the utility model.
embodiment 1
See Fig. 1, rotary motor rotor of the present utility model comprises rotating shaft 2 and rotor core 1, some Nd-Fe-B magnet steels 5 of tangential on board equably in rotor core 1, and between adjacent two Nd-Fe-B magnet steels 5, radial direction is built-in with ferrite magnetic steel 4-1,6-1; The mode that adjacent Nd-Fe-B magnet steel 5 adopts N, N positioned opposite, adjacent ferrite magnetic steel 4-1,6-1 adopt the spaced apart mode of N, S.
In order to reasonably accommodating each magnet steel, be formed in rotor core 1 and be uniformly distributed and spaced some first kind slotted eye 3-1 and Equations of The Second Kind slotted eye 7-1.Wherein, first kind slotted eye 3-1 comprises linear pattern kerve and side channel, and Equations of The Second Kind slotted eye 7-1 is linear pattern, and Nd-Fe-B magnet steel 5 is placed in the side channel of first kind slotted eye 3-1, in the kerve that ferrite magnetic steel 4-1,6-1 are placed in first kind slotted eye 3-1 and Equations of The Second Kind slotted eye 7-1.Ferrite magnetic steel 4-1,6-1 are diametrical magnetization, and Nd-Fe-B magnet steel 5 is circumferential magnetization.
Fig. 2 is the magnetic circuit schematic diagram of rotor embodiment illustrated in fig. 1, and rotor is 8 electrode structures, and Nd-Fe-B magnet steel 5 in adjacent side channel is circumferential magnetization, and adopt the mode that N, N are positioned opposite, magnetic flux is supplied separately by monolithic magnet steel; In the present embodiment, radial ferrite magnetic steel 4-1,6-1 adopt single layer structure, and adjacent pole is the configuration of N, S interval, and its magnetic flux is connected by adjacent two blocks of magnet steel and provided, and concrete magnetic flux trend as shown in Figure 2.
embodiment 2
See Fig. 3, the rotor structure of the present embodiment is roughly the same with embodiment 1, difference part is mainly: the kerve of slotted eye and Equations of The Second Kind slotted eye 7-1 is other is also arranged with the 3rd class slotted eye 3-2,7-2 in parallel in first, ferrite magnetic steel 4-2,6-2 is built-in with in 3rd class slotted eye 3-2,7-2, so, ferrite magnetic steel 4-1,4-2,6-1,6-2 is double-decker.As shown in Figure 4, tangential Nd-Fe-B magnet steel 5 monolithic provides magnetic flux separately, and radial ferrite magnetic steel 4-1,4-2,6-1,6-2 are together in series and provide magnetic flux together, and concrete magnetic flux trend as shown in Figure 4.
To sum up, in view of tangential Nd-Fe-B permanent magnetic magnet steel and the parallel connection of radial ferrite permanent-magnet magnet steel provide magnetic flux, both magnetic potentials keep being consistent.In actual application, the residual magnetic flux density of Nd-Fe-B magnet steel 5 br is generally at about 1.2T, and coercive force is about 907kA/m, and the residual magnetic flux density of ferrite magnetic steel br is at about 0.38T, coercive force is 300kA/m, then every extremely lower radial ferrite magnetic steel gross thickness is about 3 times of tangential Nd-Fe-B magnet steel 5 thickness, the output of the reluctance torque substantially increased, while guarantee has magneto superior performance, significantly decrease the use amount of Nd-Fe-B magnet steel 5, reduce the cost of motor, there is good economic benefit.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection range of the present utility model.

Claims (7)

1. a rotary motor rotor, is characterized in that, comprises rotating shaft and rotor core, some Nd-Fe-B magnet steels of tangential on board equably in described rotor core, and between adjacent two Nd-Fe-B magnet steels, radial direction is built-in with ferrite magnetic steel; The mode that adjacent Nd-Fe-B magnet steel adopts N, N positioned opposite, adjacent ferrite magnetic steel adopts the spaced apart mode of N, S.
2. a kind of rotary motor rotor according to claim 1, it is characterized in that, be formed in described rotor core and be uniformly distributed and spaced some first kind slotted eyes and Equations of The Second Kind slotted eye, described first kind slotted eye comprises linear pattern kerve and side channel, described Equations of The Second Kind slotted eye is linear pattern, Nd-Fe-B magnet steel is placed in the side channel of first kind slotted eye, in the kerve that ferrite magnetic steel is placed in first kind slotted eye and Equations of The Second Kind slotted eye.
3. described a kind of rotary motor rotor according to claim 1, is characterized in that, described ferrite magnetic steel is diametrical magnetization.
4. described a kind of rotary motor rotor according to claim 1, is characterized in that, described Nd-Fe-B magnet steel is circumferential magnetization.
5. a kind of rotary motor rotor according to claim 1, is characterized in that, this rotor is 8 electrode structures.
6. a kind of rotary motor rotor according to any one of claim 1-5, is characterized in that, described ferrite magnetic steel is single layer structure.
7. a kind of rotary motor rotor according to any one of claim 1-5, it is characterized in that, the kerve of slotted eye and Equations of The Second Kind slotted eye is other is also arranged with the 3rd class slotted eye in parallel in first, be built-in with ferrite magnetic steel in described 3rd class slotted eye, described ferrite magnetic steel is double-decker.
CN201520089639.1U 2015-02-09 2015-02-09 A kind of rotary motor rotor Expired - Fee Related CN204465184U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520089639.1U CN204465184U (en) 2015-02-09 2015-02-09 A kind of rotary motor rotor

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Application Number Priority Date Filing Date Title
CN201520089639.1U CN204465184U (en) 2015-02-09 2015-02-09 A kind of rotary motor rotor

Publications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104659940A (en) * 2015-02-09 2015-05-27 苏州力久新能源科技有限公司 Rotor of rotating motor
CN109193985A (en) * 2018-11-15 2019-01-11 珠海格力电器股份有限公司 Rotor, magneto and washing machine
CN111682670A (en) * 2020-06-18 2020-09-18 中车株洲电机有限公司 Electric automobile, permanent-magnet machine and mixed rotor punching thereof
CN112787437A (en) * 2019-11-04 2021-05-11 大银微系统股份有限公司 Permanent magnet motor rotor structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104659940A (en) * 2015-02-09 2015-05-27 苏州力久新能源科技有限公司 Rotor of rotating motor
CN109193985A (en) * 2018-11-15 2019-01-11 珠海格力电器股份有限公司 Rotor, magneto and washing machine
WO2020098345A1 (en) * 2018-11-15 2020-05-22 珠海格力电器股份有限公司 Motor rotor, permanent magnet motor and washing machine
CN112787437A (en) * 2019-11-04 2021-05-11 大银微系统股份有限公司 Permanent magnet motor rotor structure
CN111682670A (en) * 2020-06-18 2020-09-18 中车株洲电机有限公司 Electric automobile, permanent-magnet machine and mixed rotor punching thereof

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20150928

Address after: 200126, No. 251, Yaohua Road, Pudong New Area Free Trade Zone, Shanghai

Patentee after: Macao tecka new energy technology (Shanghai) Co., Ltd.

Address before: 215211 Jiangsu city of Suzhou province Wujiang FENHU Economic Development Zone, Road No. 35.

Patentee before: Suzhou Pixcir Microelectronics Co.,Ltd.

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: 20150708

Termination date: 20210209