CN202513692U - A rotor, and a motor, an elevation traction machine or a servo transmission mechanism including the rotor - Google Patents
A rotor, and a motor, an elevation traction machine or a servo transmission mechanism including the rotor Download PDFInfo
- Publication number
- CN202513692U CN202513692U CN2011203462964U CN201120346296U CN202513692U CN 202513692 U CN202513692 U CN 202513692U CN 2011203462964 U CN2011203462964 U CN 2011203462964U CN 201120346296 U CN201120346296 U CN 201120346296U CN 202513692 U CN202513692 U CN 202513692U
- Authority
- CN
- China
- Prior art keywords
- rotor
- permanent magnet
- isolation tank
- magnet isolation
- trough
- 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 - Lifetime
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
-
- 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
-
- 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
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model relates to a rotor, and a motor, an elevation traction machine or a servo transmission mechanism including the rotor. According to the utility model, the rotor includes a plurality of rotor sheets installed on a rotary shaft. Each of the rotor sheets includes a plurality of permanent magnet grooves and a plurality of magnet isolating grooves. The rotor is characterized in that magnet isolating bridges formed among neighboring grooves are disposed below parts of the permanent magnet grooves close to the axis of the rotor.
Description
Technical field
Motor, elevator traction machine or servo-operated mechanism that the utility model relates to a kind of rotor and comprises this rotor.
Background technology
The be developed as high efficiency motor of development, permanent-magnetic tractor and the servo-operated mechanism of permanent magnetic material provide new opportunity.But the interior permanent magnet machines magnet steel is at internal rotor, and leakage field is bigger, and the utilance of magnet steel is low, often causes the waste of material.Therefore, exploring, selecting rational rotor structure is one of key problem of Design of PM Motor, and it is to the simplification of magneto manufacturing process, and the reduction of production cost is significant.
Usually the rotor of magneto is between rotor sheet and rotating shaft, to adopt not magnetic guiding loop or directly adopt not magnetic conductive axis at a distance from magnetic, and not only manufacturing process is complicated for this, and has increased production cost.
The utility model content
The utility model is the motor, elevator traction machine or the servo-operated mechanism that a kind of rotor of enhancing product performance are provided and comprise this rotor.
Rotor according to the utility model comprises a plurality of rotor sheets that are installed in the rotating shaft, and each rotor sheet comprises a plurality of permanent magnet trough and a plurality of magnet isolation tank, is positioned under the part of permanent magnet trough near rotor axis at the separated magnetic bridge that forms between the adjacent magnet isolation tank.
According in the rotor of the utility model, permanent magnet trough can radial arrangement on rotor sheet.Each permanent magnet trough comprises bottom surface near rotor axis, away from the end face and the left and right side of rotor axis, the bottom surface of each magnet isolation tank and permanent magnet trough and at least a portion of left and right side are adjacent, and the preset distance of being separated by between the two.In the said magnet isolation tank at least one can for one have an arch section magnet isolation tank.Special, at least one in the said magnet isolation tank can comprise rectangular segment and the circular arc shaped portion that is interconnected, the junction of rectangular segment and circular arc shaped portion forms stage portion.
According in the rotor of the utility model, can adopt specific dimensions design to optimize rotor performance.Special; The end face of permanent magnet trough and the spacing h1 of rotor diameter; Form width h2 between the left and right side of magnet isolation tank and permanent magnet trough and bottom surface at a distance from magnetic bridge, the radially minimum constructive height h3 of magnet isolation tank, one or more satisfied among separated the magnetic bridge width h4 between adjacent magnet isolation tank: h1 is 0.6～1.2mm; H2 is 1.3～2mm; H3 is 5～25mm; H4 is 1.3～3mm.
According in the rotor of the utility model, the range upon range of formation rotor sheet of said a plurality of rotor sheets group is provided with rotor pressing plate and locating snap ring in first side and/or second side of rotor sheet group, and rotor pressing plate and locating snap ring and rotor sheet group are fixed through fixture.Said a plurality of rotor sheet circumferentially is being fixed in the rotating shaft through key.Said rotor sheet group, is located through back-up ring in said a plurality of rotor sheet second sides through shaft shoulder location in first side.
The utility model also provides a kind of motor, elevator traction machine or servo-operated mechanism, and it comprises aforesaid rotor.
, rotor good integrity easy according to the rotor production technology of the utility model, assembly technology are easy.Through being positioned under the part of permanent magnet trough near rotor axis at the separated magnetic bridge that forms between the adjacent magnet isolation tank; Particularly through on rotor sheet, designing the magnet isolation tank of special shape; This structure can effectively improve the magnet steel utilance; This special shape comprises rectangular segment and the circular arc shaped portion that is interconnected, and the junction of rectangular segment and circular arc shaped portion forms stage portion.And the utility model can guarantee and press between part rotating shaft, rotor pressing plate the end, magnetic conduction hardly, and can needn't consider when therefore selecting the material of rotating shaft, rotor pressing plate magnetic conduction, can effectively practice thrift cost.Motor, permanent-magnetic tractor, servo-operated mechanism with this this rotor structure have the advantages that torque is big, efficient is high, power factor is high.
Description of drawings
Below, in conjunction with following accompanying drawing the utility model is carried out detailed description.
Fig. 1 is an execution mode according to the p-m rotor of the utility model.
Fig. 2 for according to the utility model an execution mode of rotor sheet.
Embodiment
As shown in Figure 1, the rotor of accordinging to the utility model first execution mode comprises: rotating shaft 1, locating snap ring 2, rotor pressing plate 3, rotor sheet 4, magnet steel 5, key 6, back-up ring 7, screw 8.Have a plurality of permanent magnet trough and separated magnetic air grooves (structure of rotor sheet will combine Fig. 2 to be described in detail below) that are used to install magnet steel 5 on the rotor sheet 4.The fixed form in the permanent magnet trough of being fixed on magnet steel 5 can adopt of the prior art any, for example can pass through glue fixing.A plurality of rotor sheet 4 formation rotor sheet groups stacked together are installed in the rotating shaft 1, and circumferentially fixing through key 6.Along rotating shaft 1 axially, the rotor sheet group has first side and second side relative with first side.First side of rotor sheet group is provided with locating snap ring 2 and rotor pressing plate 3, and it is press fit into rotor shaft shoulder place with one of rotor sheet group.Second side of rotor sheet group also can adopt rotor pressing plate 3 and locating snap ring 2 equally, and through back-up ring 7 location.Locating snap ring 2, rotor pressing plate 3 and rotor sheet group can be fixing through the fixture 8 such as bolt.
Fig. 2 has shown an execution mode according to the rotor sheet of the utility model.Rotor sheet according to the utility model comprises a plurality of permanent magnet trough 9 and a plurality of separated magnetic air grooves 10.Said permanent magnet trough 9 radial arrangement are on rotor sheet.Each permanent magnet trough 9 comprises the bottom surface near the axle center, away from the end face and the left and right side in axle center.Each permanent magnet trough 9 is between two that are adjacent separated magnetic air grooves 10.Special, each extends along the bottom surface of the permanent magnet trough that is adjacent 9 or the part of a left side/right flank at a distance from magnetic air groove 10, and between magnetic air groove 10 and permanent magnet trough 9, forming space 12, forms at a distance from magnetic bridge.And at a distance from forming between the magnetic air groove 10 at a distance from magnetic bridge 11, this is the flank form at a distance from magnetic bridge, is positioned at the below of permanent magnet trough 9 bottom surfaces adjacent.In the structure of the rotor sheet of accordinging to the utility model, magnet isolation tank and magnet steel groove are separate, have effectively guaranteed the planarization and the mechanical strength of punching.
In execution mode shown in Figure 2, be special shape as shown in Figure 2 at a distance from magnetic air groove 10, it comprises roughly rectangular part and the circular arc shaped portion that is interconnected.The junction of roughly rectangular part and circular arc shaped portion forms stage portion, roughly corresponding to the shape in the bight of permanent magnet trough 9.But this stage portion is not essential, and the connection between said roughly rectangular part and the said circular arc shaped portion can be smooth connection.Circular arc shaped portion at a distance from magnetic air groove 10 can increase the magnet isolation tank distance, impels magnetic flux upwards to form useful flux.Simultaneously, this shape can reduce the quality of rotor.In addition, it should be noted that the shape and the structure of the separated magnetic air groove 10 of the utility model is not limited in shape shown in Figure 2, the utility model also can adopt the separated magnetic air groove 10 of other shape to realize at a distance from the magnetic function.
In one embodiment, rotor sheet can design has following design size, to optimize at a distance from the magnetic effect.The end face of permanent magnet trough 9 and the spacing h1 of rotor diameter are 0.6～1.2mm, to guarantee the mechanical strength of rotor; The width h2 that forms at a distance from magnetic bridge 12 between the left and right side of magnet isolation tank 10 and permanent magnet trough 9 and bottom surface is 1.3～2mm; The radially minimum constructive height of magnet isolation tank 10 (lowest part height) h3 can choose according to the thickness of magnet steel groove, is generally 5～25mm; The width h4 of the rib bridge 11 between adjacent magnet isolation tank can select to be generally 1.3～3mm to guarantee enough intensity and should limit the leakage field circulation.In other embodiments, also can adopt and only make one or more among the h1-h4 satisfy above-mentioned condition.
The utility model also provides a kind of motor, elevator traction machine or servo-operated mechanism, it comprise aforesaid according to the arbitrary embodiment of the utility model rotor.Except rotor, other structures are identical with conventional motor, elevator traction machine or the servo-operated mechanism of this area.
According to the utility model, through being arranged on the below of permanent magnet trough bottom, can improve the separated magnetic effect of rotor at a distance from magnetic bridge, improve the magnet steel utilance.Special, when the air-gap that adopts special shape as shown in Figure 2 between permanent magnet during at a distance from magnetic, the magnet steel utilance is high, can effectively reduce cost.The utility model adopts the rotor sheet monolithic construction, forms motor, traction machine and transmission mechanism behind efficiency height, high, the good energy-conserving effect of power factor.
Should be understood that; Instance described here and execution mode only are the purposes from signal, and will be to those skilled in the art's suggestion and be included in the scope of spirit and authority and accessory claim of this application according to the various changes that these instances and execution mode are made.
Claims (10)
1. a rotor comprises a plurality of rotor sheets that are installed in the rotating shaft, and each rotor sheet comprises a plurality of permanent magnet trough and a plurality of magnet isolation tank, it is characterized in that, is positioned under the part of permanent magnet trough near rotor axis at the separated magnetic bridge that forms between the adjacent magnet isolation tank.
2. rotor according to claim 1 is characterized in that said permanent magnet trough radial arrangement is on rotor sheet.
3. rotor according to claim 2; It is characterized in that each permanent magnet trough comprise bottom surface near rotor axis, away from the end face and the left and right side of rotor axis; The bottom surface of each magnet isolation tank and permanent magnet trough and at least a portion of left and right side are adjacent, and the preset distance of being separated by between the two.
4. rotor according to claim 3 is characterized in that in the said magnet isolation tank at least one is one to have the magnet isolation tank of arch section.
5. rotor according to claim 4 is characterized in that in the said magnet isolation tank at least one comprises rectangular segment and the circular arc shaped portion that is interconnected, and the junction of rectangular segment and circular arc shaped portion forms stage portion.
6. rotor according to claim 5; It is characterized in that: the end face of permanent magnet trough and the spacing h1 of rotor diameter; Form width h2 between the left and right side of magnet isolation tank and permanent magnet trough and bottom surface at a distance from magnetic bridge; The radially minimum constructive height h3 of magnet isolation tank, one or more among the separated magnetic bridge width h4 between adjacent magnet isolation tank satisfy: h1 is 0.6～1.2mm; H2 is 1.3～2mm; H3 is 5～25mm; H4 is 1.3～3mm.
7. rotor according to claim 6; It is characterized in that; The range upon range of formation rotor sheet of said a plurality of rotor sheet group is provided with rotor pressing plate and locating snap ring in first side and/or second side of rotor sheet group, and rotor pressing plate and locating snap ring and rotor sheet group are fixed through fixture.
8. rotor according to claim 7 is characterized in that said a plurality of rotor sheet circumferentially is being fixed in the rotating shaft through key.
9. rotor according to claim 8, it is characterized in that said rotor sheet group in first side through shaft shoulder location, in said a plurality of rotor sheet second sides through the back-up ring location.
10. a motor, elevator traction machine or servo-operated mechanism is characterized in that comprising each described rotor like claim 1-9.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203462964U CN202513692U (en) | 2011-09-15 | 2011-09-15 | A rotor, and a motor, an elevation traction machine or a servo transmission mechanism including the rotor |
| KR2020147000011U KR200479510Y1 (en) | 2011-09-15 | 2012-09-14 | Rotor and motor, an elevator traction machine or servo drive mechanism comprising same |
| PCT/CN2012/081392 WO2013037305A1 (en) | 2011-09-15 | 2012-09-14 | Rotor, and motor, elevator traction machine or servo drive mechanism comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203462964U CN202513692U (en) | 2011-09-15 | 2011-09-15 | A rotor, and a motor, an elevation traction machine or a servo transmission mechanism including the rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202513692U true CN202513692U (en) | 2012-10-31 |
Family
ID=47066149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203462964U Expired - Lifetime CN202513692U (en) | 2011-09-15 | 2011-09-15 | A rotor, and a motor, an elevation traction machine or a servo transmission mechanism including the rotor |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR200479510Y1 (en) |
| CN (1) | CN202513692U (en) |
| WO (1) | WO2013037305A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457377A (en) * | 2013-09-03 | 2013-12-18 | 蒂森克虏伯电梯（上海）有限公司 | Packaging structure of skewing permanent magnet motor |
| CN103944295A (en) * | 2013-01-22 | 2014-07-23 | 东元电机股份有限公司 | Rotor having arc cutting structure |
| CN103944296A (en) * | 2013-01-22 | 2014-07-23 | 东元电机股份有限公司 | Rotor having magnetic leakage inhibition structures |
| CN110034620A (en) * | 2017-12-13 | 2019-07-19 | 包米勒公司 | Motor |
| WO2023181008A1 (en) * | 2022-03-24 | 2023-09-28 | Genesis Motion Solutions, Lp | Structure for an electric machine |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102554396B1 (en) * | 2015-10-20 | 2023-07-11 | 엘지이노텍 주식회사 | Rotor and Motor having the same |
| KR102521284B1 (en) * | 2017-02-03 | 2023-04-13 | 엘지전자 주식회사 | motor |
| KR102121128B1 (en) | 2018-12-18 | 2020-06-09 | 현대엘리베이터주식회사 | Stator Core of Outer Rotor Type Motor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19846924A1 (en) * | 1998-10-12 | 2000-04-13 | Sachsenwerk Gmbh | Permanent magnet excited assembly of an electrical machine and method for its manufacture |
| JP2000156946A (en) * | 1998-11-19 | 2000-06-06 | Yaskawa Electric Corp | Permanent magnet field system-type rotor |
| JP4679052B2 (en) | 2003-12-18 | 2011-04-27 | 株式会社東芝 | Permanent magnet type reluctance type rotating electrical machine |
| JP4715291B2 (en) | 2005-05-02 | 2011-07-06 | 日産自動車株式会社 | Electric motor |
| CN1722568A (en) * | 2005-05-30 | 2006-01-18 | 沈阳工业大学 | High synchronization and high efficiency NdFeB permanent-magnet synchronous motor |
| CN201041975Y (en) * | 2007-06-01 | 2008-03-26 | 闽东电机(集团)股份有限公司 | Low-speed and ultra-high efficient lanthanon permanent magnetic synchronous electromotor |
| JP2009153299A (en) | 2007-12-20 | 2009-07-09 | Calsonic Kansei Corp | Motor apparatus |
| CN201601540U (en) * | 2009-07-17 | 2010-10-06 | 浙江西子富沃德电机有限公司 | Permanent-magnet motor rotor structure |
-
2011
- 2011-09-15 CN CN2011203462964U patent/CN202513692U/en not_active Expired - Lifetime
-
2012
- 2012-09-14 WO PCT/CN2012/081392 patent/WO2013037305A1/en active Application Filing
- 2012-09-14 KR KR2020147000011U patent/KR200479510Y1/en active IP Right Grant
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944295A (en) * | 2013-01-22 | 2014-07-23 | 东元电机股份有限公司 | Rotor having arc cutting structure |
| CN103944296A (en) * | 2013-01-22 | 2014-07-23 | 东元电机股份有限公司 | Rotor having magnetic leakage inhibition structures |
| CN103457377A (en) * | 2013-09-03 | 2013-12-18 | 蒂森克虏伯电梯（上海）有限公司 | Packaging structure of skewing permanent magnet motor |
| CN103457377B (en) * | 2013-09-03 | 2015-12-02 | 蒂森克虏伯电梯（上海）有限公司 | Oblique pole permanent magnet motor encapsulating structure |
| CN110034620A (en) * | 2017-12-13 | 2019-07-19 | 包米勒公司 | Motor |
| WO2023181008A1 (en) * | 2022-03-24 | 2023-09-28 | Genesis Motion Solutions, Lp | Structure for an electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013037305A1 (en) | 2013-03-21 |
| KR200479510Y1 (en) | 2016-02-04 |
| KR20140002258U (en) | 2014-04-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |