CN109327087A - A kind of split type internal rotor Capstan rotor - Google Patents
A kind of split type internal rotor Capstan rotor Download PDFInfo
- Publication number
- CN109327087A CN109327087A CN201811178617.7A CN201811178617A CN109327087A CN 109327087 A CN109327087 A CN 109327087A CN 201811178617 A CN201811178617 A CN 201811178617A CN 109327087 A CN109327087 A CN 109327087A
- Authority
- CN
- China
- Prior art keywords
- magnetic patch
- magnetic
- pole
- rotor
- yoke
- 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
- 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
-
- 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
- H02K1/278—Surface mounted magnets; Inset 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
Abstract
The invention discloses a kind of split type internal rotor Capstan rotors, which is characterized in that including rotor field spider and magnetic yoke;Magnetic yoke covers on the rotor field spider, and the outer wall of the magnetic yoke is provided with multiple magnetic patch groups along magnetic yoke axial arranging, and the magnetic patch group includes multiple magnetic patch being circumferentially arranged along magnetic yoke;Magnetic patch includes the pole S magnetic patch and the pole N magnetic patch, and the pole S magnetic patch and the pole N magnetic patch in each magnetic patch group are interspersed.Magnetic yoke is seperated with rotor field spider in the present invention, facilitates the maintenance of internal rotor Capstan rotor, and the magnetic patch dislocation to offset in adjacent magnetic yoke group, and the slot ripples and cogging torque of magneto are reduced with this;The position of the magnetic yoke can be limited by the cooperation of restriction protrusion on briquetting and rotor field spider, in addition, the briquetting be it is detachable, facilitate the maintenance and replacement of magnetic yoke.
Description
Technical field
The present invention relates to traction machine technical field more particularly to a kind of split type internal rotor Capstan rotors.
Background technique
Since durface mounted permanent magnet synchronous motor is easily manufactured and advantage of lower cost, present internal rotor gearless permanent-magnet is same
Traction machine is walked, mostly uses the scheme that magnetic patch is pasted onto rotor outer surface greatly.While in order to improve the electromagnetic performance of magneto,
Rotor magnetic patch can be arranged in a manner of oblique pole or wrong pole, but since rare earth permanent magnet magnetic patch is often processed into wire cutting
Type, oblique pole magnetic patch process more difficult, higher cost.And for wrong pole arrangement, because magnetic patch segmentation is staggeredly arranged, very
Difficulty can place the magnetic slot of magnetic patch in the processing of rotor field spider surface, and prior art is usually the smooth cylindrical in rotor field spider
The hole of multiple groups is beaten on face, each magnetic patch is separated and fix with strip made of non-magnet material, due to mutual between magnetic patch
Attracting and repels, magnetic patch is not easy to discharge and paste uniformly, and manufacturing cost is higher, and magnetic pole imbalance will will affect electromagnetic performance,
The problems such as also making traction machine generate noise and vibration when serious.
The problem of based on above-mentioned Capstan rotor, there is an urgent need to seek effective scheme to solve the above problems.
Summary of the invention
For the above-mentioned deficiency of the prior art, technical problem to be solved by the present invention lies in proposed a kind of easy for installation
And batch production can be easy, be easy maintenance, a kind of split type internal rotor Capstan rotor that manufacturing cost is low and noise is small.
The technical solution used to solve the technical problems of the present invention is that a kind of split type internal rotor Capstan rotor, feature
It is, comprising:
Rotor field spider;
Magnetic yoke;For its set on the rotor field spider, the outer wall of the magnetic yoke is provided with multiple magnetic along magnetic yoke axial arranging
Block group, the magnetic patch group include multiple magnetic patch being circumferentially arranged along magnetic yoke;Magnetic patch includes the pole S magnetic patch and the pole N magnetic patch, each magnetic patch
The pole S magnetic patch and the pole N magnetic patch in group are interspersed;The pole S magnetic patch and the pole S magnetic patch are default close to offseting and having in adjacent magnetic patch group
Dislocation radian;The pole N magnetic patch and the pole N magnetic patch are close to offseting and have preset dislocation radian in adjacent magnetic patch group.
Preferably, multiple magnetic patch groups in magnetic yoke successively misplace clockwise or counterclockwise from left to right along magnetic yoke axial direction
Default radian.
Preferably, the radian of each magnetic patch dislocation is equal in adjacent magnetic patch group.
Preferably, the magnetic patch in each magnetic patch group is uniformly distributed, and the pole the S magnetic patch in each magnetic patch group and the pole N magnetic patch
Quantity is equal, and the pole the S magnetic patch and the pole N magnetic patch in each magnetic patch group distribute alternately.
Preferably, the outer wall of the magnetic yoke is provided with multiple magnetic slots, and each magnetic slot is for one in the fixed magnetic patch group
A magnetic patch.
Preferably, the magnetic yoke is provided with the first keyway, and the rotor field spider is equipped with to be distinguished with the first keyway in magnetic yoke
Corresponding multiple second keyways are provided with the key that can be protruded into the first keyway and then the fixed magnetic in multiple second keyways
Yoke.
Preferably, the rotor field spider includes hollow body and multiple dowels, and multiple dowels are circumferentially arranged along hollow body
In the outer wall of the hollow body.
Preferably, the right end of all dowels has restriction protrusion, and the left end of all dowels is arranged
There is dismountable briquetting, multiple magnetic yokes are limited between restriction protrusion and briquetting.
Preferably, the left end of the dowel is equipped at least two bolts hole and bolt corresponding with number of bolt hole, institute
Bolt is stated across the briquetting and is protruded into the bolt hole.
It preferably, further include across rotor field spider and the shaft that is fixedly linked with rotor field spider.
Magnetic yoke is seperated with rotor field spider in the present invention, facilitates the maintenance of internal rotor Capstan rotor, and in adjacent magnetic yoke group
Offset magnetic patch dislocation, the slot ripples and cogging torque of magneto are reduced with this;Pass through the limit on briquetting and rotor field spider
Position protrusions match can limit the position of the magnetic yoke, in addition, the briquetting be it is detachable, facilitate the maintenance and more of magnetic yoke
It changes.
Detailed description of the invention
Fig. 1 is the schematic perspective view of split type internal rotor Capstan rotor in embodiment;
Fig. 2 is the front view of split type internal rotor Capstan rotor in embodiment;
Fig. 3 is the schematic perspective view of the rotor field spider of split type internal rotor Capstan rotor in embodiment.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Fig. 1-Fig. 3 is please referred to, the invention discloses a kind of split type internal rotor Capstan rotors, in order to facilitate rotor field spider
100 and magnetic yoke 200 installation;The Capstan rotor be it is split type, the Capstan rotor includes rotor field spider 100 and magnetic
Yoke 200,200 sets of magnetic yoke on the rotor field spider 100.
The outer wall of the magnetic yoke 200 is provided with multiple magnetic patch groups along 200 axial arranging of magnetic yoke, and the magnetic patch group includes more
A magnetic patch 210 being circumferentially arranged along magnetic yoke 200;Multiple magnetic patch 210 are to form a circle to form magnetic patch group.
Magnetic patch 210 includes the pole S magnetic patch 211 and the pole N magnetic patch 212, the pole S magnetic patch 211 and the pole N magnetic patch in each magnetic patch group
212 are interspersed.
The pole S magnetic patch 211 and the pole S magnetic patch 211 are close to offseting and have preset dislocation radian in adjacent magnetic patch group;Adjacent magnetic
The pole N magnetic patch 212 and the pole N magnetic patch 212 are close to offseting and have preset dislocation radian in block group.The pole S magnetic patch 211 and the pole S magnetic patch
Mutual position is mutually reinforced between 211 and then offseting.
In this embodiment, the pole S magnetic patch 211 and the pole N magnetic patch 212 it is equal in magnitude, shape is consistent;211 He of the pole S magnetic patch
The pole N magnetic patch 212 is cuboid;The pole S magnetic patch 211 be magnetic patch 210 the pole S along magnetic yoke 200 radial direction outward;Institute
State the pole S magnetic patch 211 be magnetic patch 210 the pole N along magnetic patch 210 radial direction outwardly;The pole N magnetic patch 212 is the N of magnetic patch 210
Pole along magnetic yoke 200 radial direction outwardly, the pole N magnetic patch 212 be magnetic patch 210 the pole S along magnetic patch 210 radial direction court
It is interior.
Multiple magnetic patch groups in magnetic yoke 200 successively misplace clockwise or counterclockwise from left to right along 200 axial direction of magnetic yoke
Default radian.Specifically, in adjacent magnetic patch group, two magnetic patch 210 to offset misplace, that is to say, that the magnetic patch 210 to offset
It is staggered, the pole S magnetic patch 211 and the pole S magnetic patch 211 are staggered (the two is not aligned) in adjacent magnetic patch group, the pole the N magnetic in magnetic patch group
Block 212 and the pole N magnetic patch 212 are staggered (the two is not aligned), and the tooth that adjacent magnetic patch group dislocation can play reduction magneto is humorous
The effect of wave and cogging torque.
The radian that each magnetic patch 210 misplaces in adjacent magnetic patch group is equal, specifically, each magnetic patch in adjacent magnetic patch group
210 dislocation arc length be equal to length of the magnetic patch 210 in 200 circumferential direction of magnetic yoke subtract two offset magnetic patch 210 overlapping length.
The arc length that each magnetic patch 210 misplaces in adjacent magnetic patch group is equal to radian divided by the length of 200 radius of magnetic yoke.It in this way can be to avoid magnetic
It is extremely uneven to influence electromagnetic performance.
Magnetic patch 210 in each magnetic patch group is uniformly distributed, and the pole the S magnetic patch 211 in each magnetic patch group and the pole N magnetic patch 212
Quantity it is equal, the pole S magnetic patch 211 and the pole N magnetic patch 212 in each magnetic patch group distribute alternately;It is each also for improving in this way
The uniformity of magnetic pole in magnetic patch 210.In this embodiment, the quantity of the magnetic patch 210 in each magnetic patch group is equal.
The outer wall of the magnetic yoke 200 is provided with multiple magnetic slots, and each magnetic slot is for a magnetic in the fixed magnetic patch group
Block 210, specifically, the shape of magnetic patch 210 described in the shape adaptation by magnetic slot.
The magnetic yoke 200 is provided with the first keyway 220, and the rotor field spider 100 is equipped with and the first keyway in magnetic yoke 200
220 corresponding multiple second keyways 130 are provided with the key that can be protruded into the first keyway 220 in multiple second keyways 130
And then the fixed magnetic yoke 200.Specifically, the magnetic yoke 200 is fixedly linked with the rotor field spider 100, for convenience of magnetic yoke
200 and rotor field spider 100 installation, the second keyway 130 is offered on rotor field spider 100, the magnetic yoke 200 is provided with and institute
Corresponding first keyway 220 of the second keyway 130 is stated, the magnetic yoke 200 is connected by key with the rotor field spider 100, wherein key
It protrudes into the first keyway 220 and the second keyway 130.
The rotor field spider 100 includes hollow body 110 and multiple dowels 120, and multiple dowels 120 are along hollow body 110
It is circumferentially arranged the outer wall in the hollow body 110.In this embodiment, the hollow body 110 and multiple dowels 120 are linked to be
One, second keyway 130 are arranged on the dowel 120, and 200 sets of the magnetic yoke is in the hollow body 110, and described the
Two keyways 130 are corresponding with first keyway 220, and the outer wall of the hollow body 110 is bonded with the inner wall of the dowel 120 and connects
Touching.
The right end of all dowels 120 has restriction protrusion 121, and the left end of all dowels 120 is set
It is equipped with dismountable briquetting 122, the magnetic yoke 200 is limited between restriction protrusion 121 and briquetting 122;Specifically, described
Dismountable briquetting 122 is detachable, by 200 sets of the magnetic yoke on the rotor field spider 100, is resisted by the briquetting 122
The magnetic yoke 200, briquetting 122 is for fixing the magnetic yoke 200.
The left end of the dowel 120 is equipped at least two bolts, 123 hole and bolt corresponding with 123 hole number of bolt
123, the bolt 123 passes through the briquetting 122 and protrudes into 123 hole of bolt;In this embodiment, briquetting 122 is logical
It crosses bolt 123 to connect with the dowel 120, loosers a bolt 123, remove briquetting 122,200 sets of magnetic yoke in the rotor field spider
On 100, briquetting 122 is pressed in the magnetic yoke 200, can be tightened by bolt 123 and briquetting 122 is pressed in magnetic yoke 200, in turn
Magnetic yoke 200 is fixed on rotor field spider 100.
It further include across rotor field spider 100 and the shaft that is fixedly linked with rotor field spider 100.
Compared with prior art, which is split type to the internal rotor Capstan rotor, and
Magnetic yoke 200 in internal rotor Capstan rotor is detachably connected with the rotor field spider 100, especially by rotor field spider 100
Restriction protrusion 121 and the cooperation of briquetting 122 limit the position of the magnetic yoke 200.Split type internal rotor Capstan rotor, wherein
Magnetic yoke 200 is easily worked, and magnetic yoke 200 is hollow cylinder, and the magnetic slot in the magnetic yoke 200 can be processed by milling machine;Magnetic yoke
200 shape and structure facilitates fixation, in addition, magnetic yoke 200 goes wrong, also facilitates maintenance, briquetting 122 is dismantled, by the magnetic
Yoke 200 is removed from the rotor field spider 100, and the intact magnetic yoke 200 is being covered on the rotor field spider 100.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of split type internal rotor Capstan rotor characterized by comprising
Rotor field spider;
Magnetic yoke;For its set on the rotor field spider, the outer wall of the magnetic yoke is provided with multiple magnetic patch groups along magnetic yoke axial arranging,
The magnetic patch group includes multiple magnetic patch being circumferentially arranged along magnetic yoke;Magnetic patch includes the pole S magnetic patch and the pole N magnetic patch, in each magnetic patch group
The pole S magnetic patch and the pole N magnetic patch be interspersed;The pole S magnetic patch and the pole S magnetic patch are close to offseting and have preset mistake in adjacent magnetic patch group
Position radian;The pole N magnetic patch and the pole N magnetic patch are close to offseting and have preset dislocation radian in adjacent magnetic patch group.
2. a kind of split type internal rotor Capstan rotor according to claim 1, it is characterised in that: multiple magnetic in magnetic yoke
Block group successively misplaces clockwise or counterclockwise from left to right along magnetic yoke axial direction and presets radian.
3. a kind of split type internal rotor Capstan rotor according to claim 2, it is characterised in that: each in adjacent magnetic patch group
The radian of a magnetic patch dislocation is equal.
4. a kind of split type internal rotor Capstan rotor according to claim 3, it is characterised in that: in each magnetic patch group
Magnetic patch is uniformly distributed, and the pole the S magnetic patch in each magnetic patch group is equal with the quantity of the pole N magnetic patch, the pole the S magnetic patch in each magnetic patch group
It distributes alternately with the pole N magnetic patch.
5. a kind of split type internal rotor Capstan rotor according to claim 4, it is characterised in that: the outer wall of the magnetic yoke
Multiple magnetic slots are provided with, each magnetic slot is for a magnetic patch in the fixed magnetic patch group.
6. a kind of split type internal rotor Capstan rotor according to claim 1, it is characterised in that: the magnetic yoke is provided with
First keyway, the rotor field spider are equipped with multiple second keyways corresponding with the first keyway in magnetic yoke, multiple second keys
The key that can be protruded into the first keyway and then the fixed magnetic yoke are provided in slot.
7. a kind of split type internal rotor Capstan rotor according to claim 1, it is characterised in that: the rotor field spider packet
Hollow body and multiple dowels are included, multiple dowels are circumferentially arranged the outer wall in the hollow body along hollow body.
8. a kind of split type internal rotor Capstan rotor according to claim 7, it is characterised in that: all connections
The right end of muscle has restriction protrusion, and the left end of all dowels is provided with dismountable briquetting, and the magnetic yoke is limited
Between restriction protrusion and briquetting.
9. a kind of split type internal rotor Capstan rotor according to claim 8, it is characterised in that: a left side for the dowel
End is equipped at least two bolts hole and bolt corresponding with number of bolt hole, and the bolt passes through the briquetting and protrudes into the spiral shell
In keyhole.
10. a kind of split type internal rotor Capstan rotor according to claim 1, it is characterised in that: further include across turn
Submounts and the shaft being fixedly linked with rotor field spider.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811178617.7A CN109327087A (en) | 2018-10-10 | 2018-10-10 | A kind of split type internal rotor Capstan rotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811178617.7A CN109327087A (en) | 2018-10-10 | 2018-10-10 | A kind of split type internal rotor Capstan rotor |
Publications (1)
Publication Number | Publication Date |
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CN109327087A true CN109327087A (en) | 2019-02-12 |
Family
ID=65261673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811178617.7A Pending CN109327087A (en) | 2018-10-10 | 2018-10-10 | A kind of split type internal rotor Capstan rotor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111600405A (en) * | 2019-02-21 | 2020-08-28 | 北京金风科创风电设备有限公司 | Magnetic pole module, rotor, assembly method of rotor and motor |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1472873A (en) * | 2002-07-29 | 2004-02-04 | 西北工业大学 | Brushless rareearth persistant magnet DC motor |
CN2899246Y (en) * | 2006-04-27 | 2007-05-09 | 中山大洋电机股份有限公司 | Rotor assembly structure of reversing electronic motor |
CN203774914U (en) * | 2014-02-10 | 2014-08-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent-magnetic rotor |
CN205753862U (en) * | 2016-05-13 | 2016-11-30 | 杭州江河水电科技有限公司 | A kind of novel radial direction wedging structure |
CN107086720A (en) * | 2017-04-18 | 2017-08-22 | 快意电梯股份有限公司 | Internal rotor permanent-magnetic synchro traction machine |
CN209016816U (en) * | 2018-10-10 | 2019-06-21 | 宁波欣达电梯配件厂 | A kind of split type internal rotor Capstan rotor |
-
2018
- 2018-10-10 CN CN201811178617.7A patent/CN109327087A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1472873A (en) * | 2002-07-29 | 2004-02-04 | 西北工业大学 | Brushless rareearth persistant magnet DC motor |
CN2899246Y (en) * | 2006-04-27 | 2007-05-09 | 中山大洋电机股份有限公司 | Rotor assembly structure of reversing electronic motor |
CN203774914U (en) * | 2014-02-10 | 2014-08-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent-magnetic rotor |
CN205753862U (en) * | 2016-05-13 | 2016-11-30 | 杭州江河水电科技有限公司 | A kind of novel radial direction wedging structure |
CN107086720A (en) * | 2017-04-18 | 2017-08-22 | 快意电梯股份有限公司 | Internal rotor permanent-magnetic synchro traction machine |
CN209016816U (en) * | 2018-10-10 | 2019-06-21 | 宁波欣达电梯配件厂 | A kind of split type internal rotor Capstan rotor |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111600405A (en) * | 2019-02-21 | 2020-08-28 | 北京金风科创风电设备有限公司 | Magnetic pole module, rotor, assembly method of rotor and motor |
CN111600405B (en) * | 2019-02-21 | 2023-09-22 | 北京金风科创风电设备有限公司 | Magnetic pole module, rotor, assembling method of rotor and motor |
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