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CN109327090A - A rotor disk, rotor assembly and axial field motor - Google Patents

A rotor disk, rotor assembly and axial field motor Download PDF

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Publication number
CN109327090A
CN109327090A CN201811525056.3A CN201811525056A CN109327090A CN 109327090 A CN109327090 A CN 109327090A CN 201811525056 A CN201811525056 A CN 201811525056A CN 109327090 A CN109327090 A CN 109327090A
Authority
CN
China
Prior art keywords
rotor disk
back iron
rotor
magnet steel
side wall
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.)
Granted
Application number
CN201811525056.3A
Other languages
Chinese (zh)
Other versions
CN109327090B (en
Inventor
张广权
汤磊
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.)
Shanghai Panhu Power Technology Co Ltd
Original Assignee
Shanghai Panhu Power Technology 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.)
Filing date
Publication date
Application filed by Shanghai Panhu Power Technology Co Ltd filed Critical Shanghai Panhu Power Technology Co Ltd
Priority to CN201811525056.3A priority Critical patent/CN109327090B/en
Priority claimed from CN201811525056.3A external-priority patent/CN109327090B/en
Publication of CN109327090A publication Critical patent/CN109327090A/en
Application granted granted Critical
Publication of CN109327090B publication Critical patent/CN109327090B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/04Balancing means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotors
    • H02K1/2713Inner rotors the magnetisation axis of the magnets being axial, e.g. claw-pole type
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2786Outer rotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

本发明公开了一种转子盘、转子组件和轴向磁场电机,该转子盘包括:背铁;以及设置在所述背铁上的多个阻隔台阶,相邻的阻隔台阶之间形成粘贴磁钢的粘接面。本发明的转子盘中在背铁上设置有多个阻隔台阶,磁钢粘结在粘接面上;通过设置阻隔台阶能够对磁钢进行周向定位。与现有技术比,增加了磁钢的周向定位,从而能够提高磁钢的粘结力,从而延长了使用寿命。

The invention discloses a rotor disk, a rotor assembly and an axial magnetic field motor. The rotor disk comprises: a back iron; and a plurality of blocking steps arranged on the back iron, and a sticking magnetic steel is formed between the adjacent blocking steps bonding surface. In the rotor disk of the present invention, a plurality of blocking steps are arranged on the back iron, and the magnetic steel is bonded on the bonding surface; the circumferential positioning of the magnetic steel can be performed by setting the blocking steps. Compared with the prior art, the circumferential positioning of the magnetic steel is increased, so that the cohesive force of the magnetic steel can be improved, thereby prolonging the service life.

Description

A kind of rotor disk, rotor assembly and motor in axial magnetic field
Technical field
The present invention relates to technical field of motors, more specifically to a kind of rotor disk, rotor assembly and axial magnetic field electricity Machine.
Background technique
Rotor disc structure is mostly that magnet steel is directly bonded on rotor disk, against magnetic attraction and magnet steel bottom surface and back iron contact surface Bonding force fix, in motor runs at high speed, by ambient enviroment and mismachining tolerance itself, motor can generate vibration, therefore, electricity Machine long-play will lead to magnet steel and fall off, to directly affect the service life of motor.In addition, magnet steel is viscous except bottom surface and back iron Outside closing, proximal end face and distal face radially is also bonded with back iron, and this mode increases the assembly difficulty of magnet steel, and not readily removable It unloads.
Summary of the invention
In view of this, the technical problem to be solved by the present invention is to how to prolong the service life, for this purpose, the present invention provides A kind of rotor disk, rotor assembly and motor in axial magnetic field.
To achieve the above object, the invention provides the following technical scheme:
A kind of rotor disk, comprising:
Back iron;And
Multiple barrier steps on the back iron are set, form the bonding for pasting magnet steel between adjacent barrier step Face.
In one embodiment of the invention, the edge of the back iron is provided with the end face Vertical Square with edge and the back iron To the side wall of extension, the side wall can be abutted with the magnet steel.
In another embodiment of the present invention, side wall position corresponding with the bonding plane is provided with handling Slot.
In yet another embodiment of the present invention, groove gap is additionally provided between the side wall and the barrier step.
In yet another embodiment of the present invention, counterweight tank is additionally provided in the middle part of the back iron.
In yet another embodiment of the present invention, the bottom of the counterweight tank is provided with lightening hole.
In yet another embodiment of the present invention, the area of section of the barrier step is from the middle part of the back iron to described The edge of iron becomes larger.
In yet another embodiment of the present invention, multiple barrier steps are in tilted layout on the back iron.
The invention also discloses a kind of rotor assembly, including rotor disk as described in any one of the above embodiments, and are arranged described Magnet steel on bonding plane.
The invention also discloses a kind of motor in axial magnetic field, including rotor assembly as described above.
It can be seen from the above technical scheme that multiple barrier steps are provided in rotor disk of the invention on back iron, Magnet steel is bonded on bonding plane;Magnet steel can be carried out by setting barrier step circumferentially positioned.Compared with the prior art, it increases Magnet steel it is circumferentially positioned, so as to improve the cohesive force of magnet steel, to extend service life.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is a kind of schematic perspective view of rotor disk provided by the embodiment of the present invention;
Fig. 2 is a kind of schematic cross-sectional view of rotor disk provided by the embodiment of the present invention;
Fig. 3 is a kind of rotor assembly schematic perspective view provided by the embodiment of the present invention;
In figure, 100 it is back iron, 200 is barrier step, 300 is bonding plane, 400 is side wall, 500 is handling slot, 600 is Groove gap, 700 be counterweight tank, 701 be lightening hole, 800 be magnet steel.
Specific embodiment
Core of the invention is to provide a kind of rotor disk, rotor assembly and motor in axial magnetic field, to prolong the service life.
In addition, embodiments illustrated below does not play any restriction effect to the invention described in the claims content.In addition, The full content of composition represented by following example is not limited to must as the solution of the invention described in the claims It needs.
It please refers to Fig.1 to Fig.3, the rotor disk in the embodiment of the present invention, comprising:
Back iron 100;And
Multiple barrier steps 200 on back iron 100 are set, is formed between adjacent barrier step 200 and pastes magnet steel 800 Bonding plane 300.
Multiple barrier steps 200 are provided in rotor disk of the invention on back iron 100, magnet steel 800 is bonded in bonding plane On 300;Magnet steel 800 can be carried out by setting barrier step 200 circumferentially positioned.Compared with the prior art, magnet steel 800 is increased It is circumferentially positioned, so that the cohesive force of magnet steel 800 is improved, to extend service life.
In one embodiment of the invention, the edge of back iron 100 is provided with the end face vertical direction with edge and back iron 100 The side wall 400 of extension, side wall 400 can be abutted with magnet steel 800.By the way that side wall 400 is arranged, magnet steel 800 can pass through bonding plane 300, totally four faces are bonded the barrier step 200 and side wall 400 positioned at 800 two sides of magnet steel together, wherein are located at magnetic The barrier step 200 of 800 two sides of steel can carry out circumferentially positioned, and side wall 400 is able to carry out radial positioning, from further improving The cohesive force of magnet steel 800, extends service life.
In order to facilitate disassembly, the position corresponding with bonding plane 300 of side wall 400 is provided with handling slot 500.Pass through the handling Slot 500 easily can be puted forth effort to support to provide in 800 cargo handling process of magnet steel, to achieve the purpose that easy to disassemble.
In yet another embodiment of the present invention, groove gap 600 is additionally provided between side wall 400 and barrier step 200. It can be convenient the processing of barrier step 200 by the way that the groove gap 600 is arranged.
The middle part of back iron 100 is additionally provided with counterweight tank 700, in rotor disk rotation process, by adding in counterweight tank 700 Add balance mud, it is possible to reduce the amount of unbalance of rotor disk.
Further, in order to mitigate the quality of rotor disk, the bottom of counterweight tank 700 is provided with lightening hole 701.
The area of section of barrier step 200 becomes larger from the middle part of back iron 100 to the edge of iron;Multiple barrier steps 200 are in tilted layout on back iron 100.By the way that so set, can be adapted with oblique pole magnet steel 800, the specific rotor disk is formed Skewed pole rotor disk.
The invention also discloses a kind of rotor assembly, the rotor disk including such as any of the above-described, and be arranged in bonding plane 300 On magnet steel 800.Since above-mentioned rotor disk has the above effect, the rotor assembly including above-mentioned rotor disk has corresponding effect Fruit, details are not described herein again.
The invention also discloses a kind of motor in axial magnetic field, including such as above-mentioned rotor assembly.Due to above-mentioned rotor assembly With the above effect, the motor in axial magnetic field including above-mentioned rotor assembly has corresponding effect, and details are not described herein again.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (10)

1. a kind of rotor disk characterized by comprising
Back iron;And
Multiple barrier steps on the back iron are set, form the bonding plane for pasting magnet steel between adjacent barrier step.
2. rotor disk as described in claim 1, which is characterized in that the edge of the back iron is provided with and edge and the back iron The side wall that end face vertical direction extends, the side wall can be abutted with the magnet steel.
3. rotor disk as claimed in claim 2, which is characterized in that side wall position setting corresponding with the bonding plane There is handling slot.
4. rotor disk as claimed in claim 3, which is characterized in that be additionally provided between the side wall and the barrier step recessed Slot gap.
5. rotor disk as claimed in claim 4, which is characterized in that be additionally provided with counterweight tank in the middle part of the back iron.
6. rotor disk as claimed in claim 5, which is characterized in that the bottom of the counterweight tank is provided with lightening hole.
7. such as rotor disk described in any one of claims 1 to 6, which is characterized in that the area of section of the barrier step is certainly The middle part of the back iron becomes larger to the edge of the iron.
8. such as rotor disk described in any one of claims 1 to 6, which is characterized in that multiple barrier steps are in tilted layout On the back iron.
9. a kind of rotor assembly, which is characterized in that exist including rotor disk such as described in any item of the claim 1 to 8, and setting Magnet steel on the bonding plane.
10. a kind of motor in axial magnetic field, which is characterized in that including rotor assembly as claimed in claim 9.
CN201811525056.3A 2018-12-13 A rotor disk, a rotor assembly and an axial magnetic field motor Active CN109327090B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811525056.3A CN109327090B (en) 2018-12-13 A rotor disk, a rotor assembly and an axial magnetic field motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811525056.3A CN109327090B (en) 2018-12-13 A rotor disk, a rotor assembly and an axial magnetic field motor

Publications (2)

Publication Number Publication Date
CN109327090A true CN109327090A (en) 2019-02-12
CN109327090B CN109327090B (en) 2025-04-15

Family

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109768630A (en) * 2019-03-12 2019-05-17 核心驱动科技(金华)有限公司 A kind of motor in axial magnetic field

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006050706A (en) * 2004-08-02 2006-02-16 Nissan Motor Co Ltd Rotor structure of axial gap motor
CN202840738U (en) * 2012-09-28 2013-03-27 深圳市瀚美特科技有限公司 Permanent magnet axial DC motor and permanent magnet iron-coreless DC motor rotor assembly thereof
CN103053095A (en) * 2010-03-22 2013-04-17 雷勃公司 Axial flux electric machine and methods of assembling the same
WO2016116678A1 (en) * 2015-01-19 2016-07-28 Whylot Sas Rotor for an axial flux electromagnetic machine rotating at high rotational speeds and electromagnetic machine equipped with such a rotor
CN207200410U (en) * 2017-08-31 2018-04-06 杭州中豪电动科技股份有限公司 A kind of rotor magnetic steel fixed structure of disc type electric machine
CN209088655U (en) * 2018-12-13 2019-07-09 上海盘毂动力科技股份有限公司 A kind of rotor disk, rotor assembly and motor in axial magnetic field

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006050706A (en) * 2004-08-02 2006-02-16 Nissan Motor Co Ltd Rotor structure of axial gap motor
CN103053095A (en) * 2010-03-22 2013-04-17 雷勃公司 Axial flux electric machine and methods of assembling the same
CN202840738U (en) * 2012-09-28 2013-03-27 深圳市瀚美特科技有限公司 Permanent magnet axial DC motor and permanent magnet iron-coreless DC motor rotor assembly thereof
WO2016116678A1 (en) * 2015-01-19 2016-07-28 Whylot Sas Rotor for an axial flux electromagnetic machine rotating at high rotational speeds and electromagnetic machine equipped with such a rotor
CN207200410U (en) * 2017-08-31 2018-04-06 杭州中豪电动科技股份有限公司 A kind of rotor magnetic steel fixed structure of disc type electric machine
CN209088655U (en) * 2018-12-13 2019-07-09 上海盘毂动力科技股份有限公司 A kind of rotor disk, rotor assembly and motor in axial magnetic field

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109768630A (en) * 2019-03-12 2019-05-17 核心驱动科技(金华)有限公司 A kind of motor in axial magnetic field
CN109768630B (en) * 2019-03-12 2024-02-23 浙江盘毂动力科技有限公司 Axial magnetic field motor

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