CN108418393B - Magnetic gear with improved magnetic ring structure - Google Patents
Magnetic gear with improved magnetic ring structure Download PDFInfo
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- CN108418393B CN108418393B CN201810411286.0A CN201810411286A CN108418393B CN 108418393 B CN108418393 B CN 108418393B CN 201810411286 A CN201810411286 A CN 201810411286A CN 108418393 B CN108418393 B CN 108418393B
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- magnetic
- main body
- shaped
- members
- permanent magnet
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Classifications
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- 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
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- 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 magnetic gear with an improved magnetic ring structure relates to a magnetic gear. The outer rotor coaxially rotates outside the magnetic adjusting ring and is provided with an outer air gap, the inner rotor coaxially rotates inside the magnetic adjusting ring and is provided with an inner air gap, the magnetic adjusting ring comprises two main body components, a plurality of magnetic conduction components and a plurality of non-magnetic conduction components, each main body component is a cylindrical component formed by alternately folding two sides of an annular plate for a plurality of times, each folding opening end is communicated with the corresponding end face of the main body component to form a reverse U-shaped folding body, the two main body components are coaxially attached and butted, each corresponding reverse U-shaped folding body with two openings facing the butt joint end face encloses a wedge-shaped mounting groove, the non-magnetic conduction components are in interference fit and are tightly plugged in the wedge-shaped mounting grooves, and the magnetic conduction components are tightly plugged in the butt joint positions of the two main body components between every two adjacent wedge-shaped mounting grooves. The magnetic ring is skillfully and effectively optimized, the production efficiency is improved, and the rigidity and the integrity of the component are better ensured.
Description
Technical Field
The invention relates to a magnetic gear, in particular to a magnetic gear with an improved magnetic ring structure.
Background
Compared with the traditional mechanical gear, the magnetic gear has the advantages of no contact, no friction loss, low vibration noise, long service life and the like, thereby being widely applied.
The magnetic gear is generally composed of an outer rotor, an inner rotor and a magnetic adjusting ring, the manufacturing process of the outer rotor and the inner rotor is relatively simple at present, but the manufacturing process of the magnetic adjusting ring is relatively troublesome, and mainly because the assembly structure of the magnetic adjusting ring is relatively complex, if the assembly structure of the magnetic adjusting ring can be effectively optimized, the whole production efficiency of the magnetic gear can be improved. In addition, the magnetic adjusting ring is an important component of the magnetic gear, has good rigidity and integrity, and needs to be reinforced at present.
Disclosure of Invention
In order to solve the defects in the background art, the invention provides a magnetic gear with an improved magnetic ring structure.
The invention adopts the following technical scheme: the magnetic gear with improved magnetic ring structure comprises an outer rotor, an inner rotor and a magnetic ring, wherein the magnetic ring is fixed, the outer rotor coaxially rotates outside the magnetic ring, an outer air gap is arranged between the outer rotor and the magnetic ring, the inner rotor coaxially rotates inside the magnetic ring, an inner air gap is arranged between the inner rotor and the magnetic ring, the outer rotor is formed by splicing and pasting a plurality of annular permanent magnet blocks, the annular permanent magnet blocks are magnetized in radial direction, the magnetic poles of every two adjacent annular permanent magnet blocks are opposite, the inner rotor is formed by splicing and pasting a plurality of annular permanent magnet blocks, the annular permanent magnet blocks are magnetized in radial direction, the magnetic ring comprises two main body members, a plurality of magnetic conduction members and a plurality of non-magnetic conduction members, each main body member is a member with a cylindrical shape formed by alternately folding the two sides of the annular plate for a plurality of times, the open end of each fold is communicated with the corresponding end surface of the main body member to form a pi-shaped fold body, a plurality of pi-shaped fold bodies are arranged in a staggered manner along the circumferential direction of the main body member at equal angles, the open directions of every two adjacent pi-shaped fold bodies are opposite, the two main body members are coaxially attached and butted, each corresponding pi-shaped fold body with two openings facing the butted end surface encloses a wedge-shaped mounting groove, a plurality of magnetic conduction members and a plurality of non-magnetic conduction members are arranged in a staggered manner, the non-magnetic conduction members are respectively in interference fit and tightly plugged in one wedge-shaped mounting groove, the magnetic conduction members are respectively tightly plugged in the butted positions of the two main body members between every two adjacent wedge-shaped mounting grooves, the plurality of magnetic conduction components limit the two main body components so that the butt joint end surfaces of the two main body components are tightly attached and cannot be separated.
Compared with the prior art, the invention has the beneficial effects that: the assembly structure of the magnetic exchange ring is skillfully and effectively optimized, the main body component is a cylindrical component formed by alternately folding the two sides of the annular plate for many times, the two main body components are butted to form a plurality of wedge-shaped mounting grooves, the non-magnetic conduction component is tightly plugged in the wedge-shaped mounting grooves in a fit manner, the magnetic conduction component limits the two main body components, the assembly is high in form fit and quicker, the production efficiency is improved, in addition, the assembly is not needed to destroy the components, and the rigidity and the integrity of the components are better ensured.
Drawings
FIG. 1 is a schematic diagram of a magnetic gear with an improved magnetic ring structure according to the present invention;
FIG. 2 is an isometric view of a magnetically modulated ring of the present invention;
FIG. 3 is an isometric view of a split structure of a magnetic tuning ring of the present invention;
FIG. 4 is an isometric view of a body member of the magnetically modulated ring of the present invention;
fig. 5 is an isometric view of a non-magnetically permeable member of a magnetically permeable ring of the present invention.
Description of the embodiments
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are all within the protection scope of the present invention.
The first embodiment is as follows: as shown in fig. 1-5, the invention discloses a magnetic gear with an improved magnetic ring adjusting structure, which comprises an outer rotor A, an inner rotor B and a magnetic ring adjusting C, wherein the magnetic ring adjusting C is fixed, the outer rotor A coaxially rotates outside the magnetic ring adjusting C, an outer air gap D is arranged between the outer rotor A and the magnetic ring adjusting C, the inner rotor B coaxially rotates inside the magnetic ring adjusting C, an inner air gap E is arranged between the inner rotor B and the magnetic ring adjusting C, the outer rotor A is spliced and attached to form a large ring shape by a plurality of annular permanent magnet blocks A1, the plurality of annular permanent magnet blocks A1 are radially magnetized, the magnetic poles of every two adjacent annular permanent magnet blocks A1 are opposite, the inner rotor B is spliced and attached to form a small ring shape by a plurality of annular permanent magnet blocks B1, the plurality of annular permanent magnet blocks B1 are radially magnetized, the magnetic poles of every two adjacent annular permanent magnet blocks B1 are opposite, the magnetic adjusting ring C comprises two main body members 1, a plurality of magnetic conduction members and a plurality of non-magnetic conduction members 4, wherein each main body member 1 is a member which is formed by alternately folding the two sides of an annular plate for a plurality of times and is cylindrical in shape, the opening end of each fold is communicated with the corresponding end face of the main body member 1 to form a n-shaped fold body 1-1, the n-shaped fold bodies 1-1 are arranged in a staggered manner along the circumferential direction of the main body member 1 at equal angles, the opening directions of every two adjacent n-shaped fold bodies 1-1 are opposite, the two main body members 1 are coaxially jointed and butted, the n-shaped fold bodies 1-1, which are arranged in a staggered manner, of every two corresponding openings face the butt joint end face, the magnetic conduction members and the non-magnetic conduction members 4 are respectively in interference fit and tightly plugged into one wedge-shaped mounting groove 2, the plurality of magnetic conduction components are respectively and tightly inserted in the butt joint positions of the two main body components 1 between every two adjacent wedge-shaped mounting grooves 2, and the plurality of magnetic conduction components limit the two main body components 1 so that the butt joint end surfaces of the two main body components 1 are tightly attached and cannot be separated.
The second embodiment is as follows: as shown in fig. 1, this embodiment is further described in the first embodiment, where each of the first fan-shaped permanent magnet A1 and the second fan-shaped permanent magnet B1 is made of a neodymium-iron-boron material.
And a third specific embodiment: as shown in fig. 1, this embodiment is further described in the first embodiment or the second embodiment, where the air gap intervals between the outer air gap D and the inner air gap E are all 0.2-0.4 mm.
The specific embodiment IV is as follows: as shown in fig. 3, this embodiment is further described in the third embodiment, each of the magnetic conductive members is formed by stacking a plurality of silicon steel sheets 3 along the circumferential direction of the main body member 1, each of the silicon steel sheets 3 is provided with a plugging gap 3-1, and the plugging gap 3-1 is matched with the butt joint positions of the two main body members 1.
Fifth embodiment: as shown in fig. 2, 3 and 5, this embodiment is further described in the third embodiment, and each of the non-magnetic conductive members 4 is made of an epoxy resin material.
Specific embodiment six: as shown in fig. 3 and 5, this embodiment is further described in the first embodiment, the thickness of each non-magnetically conductive member 4 is d1, the spacing between the wedge-shaped mounting grooves 2 and the thickness of the non-magnetically conductive members 4 is d2, d1 > d2, and the difference between d1 and d2 is 1-3 mm.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The utility model provides an improve magnetic gear who transfers magnetic ring structure, includes external rotor (A), internal rotor (B) and transfer magnetic ring (C), transfer magnetic ring (C) fixed, external rotor (A) coaxial rotation in transfer magnetic ring (C) outside, be equipped with outer air gap (D) between external rotor (A) and the transfer magnetic ring (C), internal rotor (B) coaxial rotation in transfer magnetic ring (C) inside, be equipped with interior air gap (E) between internal rotor (B) and the transfer magnetic ring (C), its characterized in that: the outer rotor (A) is spliced and pasted into a large circular ring shape by a plurality of first fan-shaped annular permanent magnet blocks (A1), the first fan-shaped annular permanent magnet blocks (A1) are magnetized in the radial direction, the magnetic poles of every two adjacent first fan-shaped annular permanent magnet blocks (A1) are opposite, the inner rotor (B) is spliced and pasted into a small circular ring shape by a plurality of second fan-shaped annular permanent magnet blocks (B1), the second fan-shaped annular permanent magnet blocks (B1) are magnetized in the radial direction, the magnetic poles of every two adjacent second fan-shaped annular permanent magnet blocks (B1) are opposite, the magnetic regulating ring (C) comprises two main body members (1), a plurality of magnetic conducting members and a plurality of non-magnetic conducting members (4), each main body member (1) is a member with the shape of a cylinder formed by alternately folding the two sides of an annular plate for a plurality of times, the open end of each fold is communicated with the corresponding end face of the main body member (1) to form a n-shaped fold body (1-1), a plurality of n-shaped fold bodies (1-1) are arranged in a staggered way along the circumferential direction of the main body member (1) at equal angles, the directions of the openings of every two adjacent n-shaped fold bodies (1-1) are opposite, the two main body members (1) are coaxially attached and butted, each corresponding two n-shaped fold bodies (1-1) with the openings facing the butt joint end face enclose a wedge-shaped mounting groove (2), a plurality of magnetic conduction members and a plurality of non-magnetic conduction members (4) are arranged in a staggered way, the plurality of non-magnetic conduction members (4) are respectively in interference fit and tightly packed in one wedge-shaped mounting groove (2), the plurality of magnetic conduction members are respectively and tightly inserted in the butt joint positions of the two main body members (1) between every two adjacent wedge-shaped mounting grooves (2), and the plurality of magnetic conduction members limit the two main body members (1) so that the butt joint end surfaces of the two main body members (1) are tightly attached and cannot be separated;
each fan-shaped annular permanent magnet block I (A1) and each fan-shaped annular permanent magnet block II (B1) are made of neodymium iron boron materials;
the thickness of each non-magnetic conductive member (4) is d1, the distance between each wedge-shaped mounting groove (2) and the corresponding non-magnetic conductive member (4) is d2, d1 is larger than d2, and the difference between d1 and d2 is 1-3 mm.
2. A magnetic gear with improved magnetic ring structure as defined in claim 1, wherein: the air gap intervals of the outer air gap (D) and the inner air gap (E) are 0.2-0.4 mm.
3. A magnetic gear with improved magnetic ring structure as defined in claim 2, wherein: each magnetic conduction component is formed by stacking a plurality of silicon steel sheets (3) along the circumferential direction of the main body component (1), each silicon steel sheet (3) is provided with a splicing opening (3-1), and the splicing opening (3-1) is matched with the butt joint positions of the two main body components (1).
4. A magnetic gear with improved magnetic ring structure as defined in claim 2, wherein: each non-magnetic conductive component (4) is made of epoxy resin material.
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 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411286.0A CN108418393B (en) | 2018-05-02 | 2018-05-02 | Magnetic gear with improved magnetic ring structure |
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| CN108418393A CN108418393A (en) | 2018-08-17 |
| CN108418393B true CN108418393B (en) | 2023-09-26 |
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| CN201810411286.0A Active CN108418393B (en) | 2018-05-02 | 2018-05-02 | Magnetic gear with improved magnetic ring structure |
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Families Citing this family (3)
| 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 |
| JP7339170B2 (en) * | 2020-01-24 | 2023-09-05 | 三菱重工業株式会社 | Magnetic pole piece device and magnetic gear |
| CN112491244B (en) * | 2020-11-30 | 2021-10-29 | 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 |
Citations (9)
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| 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 |
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| CN108418393A (en) | 2018-08-17 |
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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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