CN108418393A - A kind of magnetic gear improving adjustable magnetic ring structure - Google Patents
A kind of magnetic gear improving adjustable magnetic ring structure Download PDFInfo
- Publication number
- CN108418393A CN108418393A CN201810411286.0A CN201810411286A CN108418393A CN 108418393 A CN108418393 A CN 108418393A CN 201810411286 A CN201810411286 A CN 201810411286A CN 108418393 A CN108418393 A CN 108418393A
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- China
- Prior art keywords
- magnetic
- component
- magnetic ring
- components
- adjustable magnetic
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
A kind of magnetic gear improving adjustable magnetic ring structure, is related to a kind of magnetic gear.Outer rotor rotates coaxially outside adjustable magnetic ring and is equipped with outer air gap, internal rotor rotates coaxially inside adjustable magnetic ring and is equipped with interior air gap, adjustable magnetic ring includes two main components, multiple conducting magnetic components and multiple non-magnetic components, each main component is that annular slab both sides repeatedly replace the component that shape made of fold is cylindric, each fold open end communicates to form ∏ shape pleats with main component corresponding end surface, two main components are coaxially bonded docking, and it often corresponds to two openings and surrounds a wedge mounting groove towards the ∏ shape pleats of end face, non-magnetic component is interference fitted and closely plug is mounted in wedge mounting groove, conducting magnetic component is closely inserted into two main component docking locations between each adjacent two wedge mounting groove.It exchanges magnet ring and has carried out ingenious effective optimization, improve production efficiency, preferably ensure the rigidity and globality of component.
Description
Technical field
The present invention relates to a kind of magnetic gear, especially a kind of magnetic gear improving adjustable magnetic ring structure.
Background technology
Compared to traditional mechanical gear, magnetic gear have transmit it is contactless, without frictional dissipation, vibrating noise is small, uses
The advantages that long lifespan, to be used widely.
Magnetic gear is generally made of outer rotor, internal rotor and adjustable magnetic ring, at present the manufacture craft phase of outer rotor and internal rotor
To simple, but the manufacture craft of adjustable magnetic ring is relatively cumbersome, and the package assembly for essentially consisting in adjustable magnetic ring is complex, therefore, if
The package assembly of adjustable magnetic ring can effectively be optimized, it is meant that the whole production efficiency of magnetic gear can be promoted.In addition, adjustable magnetic
Important composition component of the ring as magnetic gear, it is necessary to have good rigidity and globality, current adjustable magnetic ring still have to be added
By force.
Invention content
Insufficient existing for background technology to solve, the present invention provides a kind of magnetic gear improving adjustable magnetic ring structure.
Realize that above-mentioned purpose, the present invention take following technical proposals：A kind of magnetic gear improving adjustable magnetic ring structure, including it is outer
Rotor, internal rotor and adjustable magnetic ring, the adjustable magnetic ring is fixed, and the outer rotor rotates coaxially outside adjustable magnetic ring, outside
Outer air gap is equipped between rotor and adjustable magnetic ring, the internal rotor rotates coaxially inside adjustable magnetic ring, internal rotor and adjustable magnetic ring it
Between be equipped with interior air gap, outer rotor is cyclic annular at great circle by the splicing fitting of multiple fan annular permanent magnet blocks one, and multiple fan annulars are forever
One radial magnetizing of magnetic patch, and each adjacent two fans one magnetic pole of annular permanent magnet block on the contrary, internal rotor is by multiple fan annular permanent magnet blocks two
Splicing fitting is at roundlet ring-type, multiple two radial magnetizings of fan annular permanent magnet block, and each adjacent two fans annular permanent magnet block
Two magnetic poles are on the contrary, adjustable magnetic ring includes two main components, multiple conducting magnetic components and multiple non-magnetic components, each master
Body component is that annular slab both sides repeatedly replace the component that shape made of fold is cylindric, each fold open end and main body structure
Part corresponding end surface communicates to form ∏ shape pleats, and multiple ∏ shapes pleats are angularly interlocked along main component circumferencial direction
Setting, and each adjacent two ∏ shape pleat opening directions are on the contrary, two main components are coaxially bonded docking, and often correspond to two
The ∏ shape pleats towards end face that are open surround a wedge mounting groove, multiple conducting magnetic components and multiple non-magnetic
Component is staggered, and multiple non-magnetic components are interference fitted respectively and closely plug is mounted in the wedge mounting groove described in one
Interior, multiple conducting magnetic components are closely inserted into two main component docking locations between each adjacent two wedge mounting groove respectively,
Two main components of multiple conducting magnetic components pair, which play restriction effect, makes two main component docking end faces fit closely and can not detach.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention exchange magnet ring package assembly carried out it is ingenious
Effective optimization, main component are that annular slab both sides repeatedly replace the component that shape made of fold is cylindric, two main bodys
Component docks to form multiple wedge mounting grooves, and non-magnetic component, which uses, is full of the close plug of cooperation in wedge mounting groove, and magnetic conduction
Two main components of component pair play restriction effect, high and more quick using assembled integral form compatible degree, improve life
Efficiency is produced, in addition, assembled integral form need not destroy component, preferably ensure that the rigidity of component and whole
Body.
Description of the drawings
Fig. 1 is the structural schematic diagram of the magnetic gear of the improvement adjustable magnetic ring structure of the present invention；
Fig. 2 is the axonometric drawing of the adjustable magnetic ring of the present invention；
Fig. 3 is the fractionation structure axonometric drawing of the adjustable magnetic ring of the present invention；
Fig. 4 is the axonometric drawing of the main component of the adjustable magnetic ring of the present invention；
Fig. 5 is the axonometric drawing of the non-magnetic component of the adjustable magnetic ring of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in the present invention
It states, it is clear that described embodiment is only a part of the embodiment of invention, instead of all the embodiments, based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall within the protection scope of the present invention.
Specific implementation mode one：As shown in Fig. 1 ~ Fig. 5, the invention discloses it is a kind of improve adjustable magnetic ring structure magnetic gear,
Including outer rotor A, internal rotor B and adjustable magnetic ring C, the adjustable magnetic ring C is fixed, and the outer rotor A is rotated coaxially in tune
Outside magnet ring C, outer air gap D is equipped between outer rotor A and adjustable magnetic ring C, the internal rotor B is rotated coaxially inside adjustable magnetic ring C,
Interior air gap E is equipped between internal rotor B and adjustable magnetic ring C, outer rotor A is by multiple one A1 of fan annular permanent magnet block splicing fittings at large circle
Shape, multiple one A1 radial magnetizings of fan annular permanent magnet block, and one A1 magnetic poles of each adjacent two fan annular permanent magnet block are on the contrary, interior
For rotor B by multiple two B1 of fan annular permanent magnet block splicings fitting at roundlet ring-type, multiple two B1 of fan annular permanent magnet block are radial
It magnetizes, and two B1 magnetic poles of each adjacent two fan annular permanent magnet block are on the contrary, adjustable magnetic ring C includes two main components 1, multiple magnetic conduction structures
Part and multiple non-magnetic components 4, each main component 1 are that shape made of annular slab both sides repeatedly replace fold is
Cylindric component, each fold open end communicate to form ∏ shape pleats 1-1 with 1 corresponding end surface of main component, it is multiple described in
∏ shape pleat 1-1 be angularly staggered along 1 circumferencial direction of main component, and each adjacent two ∏ shape pleats 1-1 is opened
Mouth direction is on the contrary, two main components 1 are coaxially bonded docking, and often correspond to two ∏ shape pleats being open towards end face
1-1 surrounds a wedge mounting groove 2, and multiple conducting magnetic components and multiple non-magnetic components 4 are staggered, and described is multiple
Non-magnetic component 4 is interference fitted respectively and closely for plug in the wedge mounting groove 2 described in one, multiple conducting magnetic component difference are tight
Close two 1 docking locations of main component being inserted between each adjacent two wedge mounting groove 2, two masters of multiple conducting magnetic components pair
Body component 1, which plays restriction effect, makes two docking of main components 1 end faces fit closely and can not detach.
Specific implementation mode two：As shown in Figure 1, present embodiment is made furtherly to specific implementation mode one
Bright, each one A1 of fan annular permanent magnet block and two B1 of fan annular permanent magnet block are all made of NdFeB material and are made.
Specific implementation mode three：As shown in Figure 1, present embodiment is to specific implementation mode one or specific implementation mode two
The air gap separation of the further explanation made, the outer air gap D and interior air gap E are 0.2 ~ 0.4mm.
Specific implementation mode four：As shown in figure 3, present embodiment is made furtherly to specific implementation mode three
Bright, each conducting magnetic component, which is folded by multiple silicon steel sheets 3 along 1 circumferencial direction of main component, to be set, each silicon steel
Piece 3 offers grafting gap a 3-1, the grafting gap 3-1 and matches with two 1 docking locations of main component.
Specific implementation mode five：As shown in Fig. 2,3,5, present embodiment be specific implementation mode three is made it is further
Illustrate, each non-magnetic component 4 is made of epoxide resin material.
Specific implementation mode six：As shown in Fig. 3,5, present embodiment is made furtherly to specific implementation mode one
Bright, the thickness of each non-magnetic component 4 is d1, the thickness pair of each wedge mounting groove 2 and non-magnetic component 4
The spacing answered is d2, d1 ＞ d2, and the difference of d1 and d2 is 1 ~ 3mm.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in the form of others dress bodies.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all in the meaning and scope of the condition of equivalent of claim by falling
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of magnetic gear improving adjustable magnetic ring structure, including outer rotor（A）, internal rotor（B）And adjustable magnetic ring（C）, the tune
Magnet ring（C）Fixed, described outer rotor（A）It rotates coaxially in adjustable magnetic ring（C）Outside, outer rotor（A）With adjustable magnetic ring（C）It
Between be equipped with outer air gap（D）, the internal rotor（B）It rotates coaxially in adjustable magnetic ring（C）Inside, internal rotor（B）With adjustable magnetic ring（C）It
Between be equipped with interior air gap（E）, it is characterised in that：Outer rotor（A）By multiple fan annular permanent magnet blocks one（A1）Splicing fitting is at large circle
Shape, multiple fan annular permanent magnet blocks one（A1）Radial magnetizing, and each adjacent two fan annular permanent magnet block one（A1）Magnetic pole phase
Instead, internal rotor（B）By multiple fan annular permanent magnet blocks two（B1）Splicing fitting is at roundlet ring-type, multiple fan annular permanent magnet blocks
Two（B1）Radial magnetizing, and each adjacent two fan annular permanent magnet block two（B1）Magnetic pole is on the contrary, adjustable magnetic ring（C）Including two main body structures
Part（1）, multiple conducting magnetic components and multiple non-magnetic components（4）, each main component（1）It is multiple for annular slab both sides
Alternately shape made of fold is cylindric component, each fold open end and main component（1）Corresponding end surface communicates to be formed
∏ shape pleats（1-1）, multiple ∏ shape pleats（1-1）Along main component（1）Circumferencial direction is angularly staggered,
And each adjacent two ∏ shape pleats（1-1）Opening direction is on the contrary, two main components（1）Coaxial fitting docking, and often correspond to
∏ shape pleat of two openings towards end face（1-1）Surround a wedge mounting groove（2）, multiple conducting magnetic components
And multiple non-magnetic components（4）It is staggered, multiple non-magnetic components（4）It is interference fitted respectively and closely plug is mounted in one
A wedge mounting groove（2）Interior, multiple conducting magnetic components are closely inserted into each adjacent two wedge mounting groove respectively（2）Between
Two main components（1）Docking location, two main components of multiple conducting magnetic components pair（1）Playing restriction effect makes two main body structures
Part（1）Docking end face fits closely and can not detach.
2. a kind of magnetic gear improving adjustable magnetic ring structure according to claim 1, it is characterised in that：Each fan ring
Shape permanent magnets one（A1）And fan annular permanent magnet block two（B1）NdFeB material is all made of to be made.
3. a kind of magnetic gear improving adjustable magnetic ring structure according to claim 1 or 2, it is characterised in that：The outer gas
Gap（D）And interior air gap（E）Air gap separation be 0.2 ~ 0.4mm.
4. a kind of magnetic gear improving adjustable magnetic ring structure according to claim 3, it is characterised in that：Each magnetic conduction
Component is by multiple silicon steel sheets（3）Along main component（1）Circumferencial direction is folded to be set, each silicon steel sheet（3）Offer one
Grafting gap（3-1）, the grafting gap（3-1）With two main components（1）Docking location matches.
5. a kind of magnetic gear improving adjustable magnetic ring structure according to claim 3, it is characterised in that：It is each described non-to lead
Magnetic component（4）It is made of epoxide resin material.
6. a kind of magnetic gear improving adjustable magnetic ring structure according to claim 1, it is characterised in that：It is each described non-to lead
Magnetic component（4）Thickness be d1, the wedge mounting groove（2）With non-magnetic component（4）The corresponding spacing of thickness be
D2, d1 ＞ d2, and the difference of d1 and d2 is 1 ~ 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411286.0A CN108418393B (en) | 2018-05-02 | 2018-05-02 | Magnetic gear with improved magnetic ring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411286.0A CN108418393B (en) | 2018-05-02 | 2018-05-02 | Magnetic gear with improved magnetic ring structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108418393A true CN108418393A (en) | 2018-08-17 |
| CN108418393B CN108418393B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810411286.0A Active CN108418393B (en) | 2018-05-02 | 2018-05-02 | Magnetic gear with improved magnetic ring structure |
Country Status (1)
| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109560684A (en) * | 2019-01-24 | 2019-04-02 | 青岛博迈得海洋智能科技有限公司 | Magnetic drive device and underwater non-maintaining camera system |
| CN111416499A (en) * | 2019-01-04 | 2020-07-14 | 国家电投集团科学技术研究院有限公司 | Magnetic regulating ring of magnetic gear device |
| CN112491244A (en) * | 2020-11-30 | 2021-03-12 | 珠海格力电器股份有限公司 | Magnetic adjusting ring supporting structure, magnetic adjusting ring component, magnetic gear and composite motor |
| WO2021149603A1 (en) * | 2020-01-24 | 2021-07-29 | 三菱重工業株式会社 | Magnetic pole-piece device and magnetic gear |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000188858A (en) * | 1998-12-21 | 2000-07-04 | Isuzu Motors Ltd | Eddy current decelerator |
| CN102312986A (en) * | 2011-08-18 | 2012-01-11 | 东南大学 | Outer rotor magnetic flux collecting magnetic gear |
| CN104917352A (en) * | 2015-06-26 | 2015-09-16 | 中国石油大学(华东) | Magnetic gear with magnetism regulating ring adopting chute structure for reducing torque pulsation |
| CN104967279A (en) * | 2015-06-26 | 2015-10-07 | 中国石油大学(华东) | Axial magnetic gear employing stator permanent magnetism structure at low-speed rotor side |
| DE102014119265A1 (en) * | 2014-11-24 | 2016-05-25 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Modular system for the production of magnetic gears |
| EP3113344A1 (en) * | 2015-07-01 | 2017-01-04 | Goodrich Systems Limited | Pole-piece structure for a magnetic gear |
| CN106787607A (en) * | 2017-01-24 | 2017-05-31 | 东南大学 | The magnetic field modulation type magnetic gear of variable gear ratio |
| CN206807260U (en) * | 2017-06-01 | 2017-12-26 | 三峡大学 | A kind of New Magnetic Field Controlled geared system |
| CN208386398U (en) * | 2018-05-02 | 2019-01-15 | 盐城哈力动力传动及智能装备产业研究院有限公司 | A kind of magnetic gear improving adjustable magnetic ring structure |
-
2018
- 2018-05-02 CN CN201810411286.0A patent/CN108418393B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000188858A (en) * | 1998-12-21 | 2000-07-04 | Isuzu Motors Ltd | Eddy current decelerator |
| CN102312986A (en) * | 2011-08-18 | 2012-01-11 | 东南大学 | Outer rotor magnetic flux collecting magnetic gear |
| DE102014119265A1 (en) * | 2014-11-24 | 2016-05-25 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Modular system for the production of magnetic gears |
| CN104917352A (en) * | 2015-06-26 | 2015-09-16 | 中国石油大学(华东) | Magnetic gear with magnetism regulating ring adopting chute structure for reducing torque pulsation |
| CN104967279A (en) * | 2015-06-26 | 2015-10-07 | 中国石油大学(华东) | Axial magnetic gear employing stator permanent magnetism structure at low-speed rotor side |
| EP3113344A1 (en) * | 2015-07-01 | 2017-01-04 | Goodrich Systems Limited | Pole-piece structure for a magnetic gear |
| CN106787607A (en) * | 2017-01-24 | 2017-05-31 | 东南大学 | The magnetic field modulation type magnetic gear of variable gear ratio |
| CN206807260U (en) * | 2017-06-01 | 2017-12-26 | 三峡大学 | A kind of New Magnetic Field Controlled geared system |
| CN208386398U (en) * | 2018-05-02 | 2019-01-15 | 盐城哈力动力传动及智能装备产业研究院有限公司 | A kind of magnetic gear improving adjustable magnetic ring structure |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416499A (en) * | 2019-01-04 | 2020-07-14 | 国家电投集团科学技术研究院有限公司 | Magnetic regulating ring of magnetic gear device |
| CN109560684A (en) * | 2019-01-24 | 2019-04-02 | 青岛博迈得海洋智能科技有限公司 | Magnetic drive device and underwater non-maintaining camera system |
| WO2021149603A1 (en) * | 2020-01-24 | 2021-07-29 | 三菱重工業株式会社 | Magnetic pole-piece device and magnetic gear |
| JP2021118595A (en) * | 2020-01-24 | 2021-08-10 | 三菱重工業株式会社 | Magnetic pole piece device and magnetic gear |
| US20230046584A1 (en) * | 2020-01-24 | 2023-02-16 | Mitsubishi Heavy Industries, Ltd. | Magnetic pole piece device and magnetic gear |
| EP4080730A4 (en) * | 2020-01-24 | 2023-06-21 | Mitsubishi Heavy Industries, Ltd. | Magnetic pole-piece device and magnetic gear |
| JP7339170B2 (en) | 2020-01-24 | 2023-09-05 | 三菱重工業株式会社 | Magnetic pole piece device and magnetic gear |
| CN112491244A (en) * | 2020-11-30 | 2021-03-12 | 珠海格力电器股份有限公司 | Magnetic adjusting ring supporting structure, magnetic adjusting ring component, magnetic gear and composite motor |
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| CN108418393B (en) | 2023-09-26 |
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Effective date of registration: 20230228 Address after: 224000 No.1, Huaxing Avenue, Yandu District, Yancheng City, Jiangsu Province (f) Applicant after: Yancheng Yongan Technology Co.,Ltd. Address before: 3 / F, production building, Zhangzhuang national entrepreneurship and innovation park complex, Yandu District, Yancheng City, Jiangsu Province, 224000 (g) Applicant before: YANCHENG HALI POWER TRANSMISSION AND INTELLIGENT EQUIPMENT INDUSTRY RESEARCH INSTITUTE Co.,Ltd. |
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