CN113964985A - Inserted sheet type motor inner rotor - Google Patents
Inserted sheet type motor inner rotor Download PDFInfo
- Publication number
- CN113964985A CN113964985A CN202111519859.XA CN202111519859A CN113964985A CN 113964985 A CN113964985 A CN 113964985A CN 202111519859 A CN202111519859 A CN 202111519859A CN 113964985 A CN113964985 A CN 113964985A
- Authority
- CN
- China
- Prior art keywords
- rotor
- magnetic steel
- hole
- steel sheet
- rotor core
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 70
- 239000010959 steel Substances 0.000 claims abstract description 70
- 239000004033 plastic Substances 0.000 claims abstract description 12
- 229920003023 plastic Polymers 0.000 claims abstract description 12
- 238000001746 injection moulding Methods 0.000 claims abstract description 6
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000011162 core material Substances 0.000 description 33
- 238000009434 installation Methods 0.000 description 9
- 230000005389 magnetism Effects 0.000 description 7
- 239000002991 molded plastic Substances 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention provides an inner rotor of a plug-in type motor, which comprises a rotor core, a magnetic steel sheet and a motor shaft, wherein a magnetic steel jack into which the magnetic steel sheet is inserted is arranged on the rotor core, a plurality of axially arranged first through holes are uniformly distributed on the rotor core in the circumferential direction, a first rotor framework and a second rotor framework which are used for preventing the magnetic steel sheet from being separated from the magnetic steel jack are respectively arranged at two axial ends of the rotor core, a first connecting part is arranged on the first rotor framework, a second connecting part is arranged on the second rotor framework, the second connecting part penetrates through the first through holes to be correspondingly connected with the first connecting part, the first rotor framework and the first connecting part are formed by plastic integral injection molding, and the second rotor framework and the second connecting part are formed by plastic integral injection molding. The rotor in the motor of the technical scheme can effectively reduce the overall mass, prevent the magnetic steel sheet from falling off, is convenient to install and is beneficial to automatic production.
Description
Technical Field
The invention relates to the technical field of motors, in particular to an inner rotor of a plug-in type motor.
Background
In the prior art, the fixing of the inserting-piece type magnetic steel sheet generally adopts gluing fixing and integral injection molding fixing. When the glue is used, the glue is easy to react with the external environment, the problem of glue failure exists, the magnetic steel sheet falls off, the glue consumption and the flow direction are not controllable, and batch automatic production is not facilitated; when the whole injection molding is fixed, the equipment and labor cost is greatly increased, and the production benefit is low.
The utility model discloses a utility model patent that bulletin number is CN203387309U discloses a inserted sheet formula magnet steel motor inner rotor is equipped with rotor core at the pivot overcoat, and rotor core comprises a plurality of mutual fixed rotor punching of superposing, rotor core on the circumference equipartition have a plurality of axial to be provided with the magnet steel jack, the magnet steel setting has set firmly the end plate that prevents the magnet steel axial and leap up in the magnet steel jack respectively at rotor core's both ends face.
The problem of fixing the magnetic steel sheets is solved, but the quality of the whole rotor is increased by the end plate, the performance of the motor is not improved, the installation stability of the end plate is not high, and foreign matters and impurities can easily enter the groove of the installation hole of the end plate.
Disclosure of Invention
The invention mainly solves the technical problem of providing the inner rotor of the inserting piece type motor, which can lighten the integral quality of the rotor, prevent the magnetic steel sheet from falling off, is convenient to install, is stable to fix and is beneficial to automatic production.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides an inserted sheet formula motor inner rotor, includes rotor core, magnetism steel sheet and motor shaft, the last circumference equipartition of rotor core has a plurality of to supply magnetism steel sheet axial male magnet steel jack, the last circumference equipartition of rotor core has the first through-hole that a plurality of axial set up, rotor core's axial both ends are equipped with first rotor skeleton and the second rotor skeleton that is used for preventing that the magnetism steel sheet from deviating from in the magnet steel jack respectively, be equipped with first connecting portion on the first rotor skeleton, be equipped with the second connecting portion on the second rotor skeleton, the second connecting portion pass first through-hole and correspond with first connecting portion to be connected, first rotor skeleton and first connecting portion are moulded plastics by plastics an organic whole and are formed, second rotor skeleton and second connecting portion are moulded plastics by plastics an organic whole and are formed.
The invention has the beneficial effects that: the second connecting portion of second rotor skeleton can pass first through-hole, be connected with the first connecting portion of first rotor skeleton, can effectively improve space utilization, prevent the increase of the whole volume of rotor, make first rotor skeleton and second rotor skeleton fix the axial both ends at rotor core fast, the coming off of magnetic steel sheet has been prevented, rotor skeleton's installation effectiveness has been improved, rotor skeleton and connecting portion are moulded plastics by plastics an organic whole simultaneously and form, the quality that rotor core was got rid of to first through-hole part is greater than the quality of plastics material sum, make the whole quality of rotor alleviate, the rotation efficiency of rotor has been improved, through adopting above-mentioned first through-hole, the erection joint of first rotor skeleton and second rotor skeleton has both been made things convenient for, be convenient for rotor automated production, the quality of rotor has been reduced again, the machine performance is improved.
Preferably, be equipped with the first portion of inserting that is used for inserting in the magnet steel jack on the first rotor skeleton, be equipped with the second portion of inserting that is used for inserting in the magnet steel jack on the second rotor skeleton, first portion of inserting leans on with the both ends counterbalance of magnet steel piece respectively with the second portion of inserting. Through setting up first portion of inserting and second portion of inserting, can provide the location for first rotor skeleton and second rotor skeleton install the tip at rotor core, improve two rotor skeleton's installation stability, prevent that two rotor skeletons from rotating with rotor core relatively, first portion of inserting leans on with the both ends counterbalance of magnetic steel piece respectively with the second portion of inserting simultaneously, prevents the axial float of magnetic steel piece in the magnet steel jack.
Preferably, a first groove for inserting one end of the magnetic steel sheet is formed in the first inserting portion, and a second groove for inserting the other end of the magnetic steel sheet is formed in the second inserting portion. Through setting up the first recess and the second recess that supply the magnetism steel sheet male, make the magnetism steel sheet by first portion of inserting and the cladding of second portion of inserting, improve the installation stability of magnetism steel sheet, enable magnetism steel sheet and rotor core height simultaneously the same, prevent that rotor core material is extravagant.
Preferably, the first connecting portion comprises a second through hole, the second connecting portion comprises a cylinder, and the cylinder is sequentially matched and inserted into the first through hole and the second through hole to connect the first rotor framework and the second rotor framework. Through adopting above-mentioned structure, make the connection path of second through-hole and cylinder short, improve connection stability, the cylinder cooperation is inserted and is established in first through-hole and second through-hole simultaneously, makes two through-holes filled up by the cylinder, prevents that foreign matter impurity from getting into to lead to rotor core internal damage.
Preferably, one end of the column body penetrates through the second through hole and then is subjected to hot riveting. Through adopting the hot riveting, can prevent that the cylinder from deviating from the second through-hole, make first rotor skeleton and second rotor skeleton firm in connection, improve connection stability between them.
Preferably, the cylinder includes a first convex column and a second convex column, the peripheral dimension of the first convex column is smaller than that of the second convex column, the first convex column is arranged in the second through hole, and the second convex column is arranged in the first through hole. Through adopting above-mentioned structure, can reduce the hot riveting area to make things convenient for the hot riveting, improve the hot riveting efficiency.
Preferably, one end of the column body is provided with a clamping hook, and the clamping hook penetrates through the second through hole and then is clamped with the second through hole. Through adopting above-mentioned structure, pothook and second through-hole joint can improve the installation effectiveness of two rotor frameworks, and pothook and cylinder body structure are favorable to improving connection stability.
Preferably, the hook is provided with a guide surface. By adopting the structure, the clamping hook can conveniently penetrate through the second through hole.
Preferably, the motor shaft is fixedly arranged in a shaft mounting hole of the rotor core in a penetrating mode, the motor shaft is in interference fit with the shaft mounting hole, and a plurality of third grooves extending along the axial direction are formed in the inner wall of the shaft mounting hole. Through adopting above-mentioned structure, make the partial interference allowance of motor shaft get into in the third recess, can prevent radial relative skidding between them, improve the stability of being connected of motor shaft and rotor core.
Drawings
Fig. 1 is an exploded view of an inner rotor of a tab motor according to a first embodiment;
fig. 2 is a cross-sectional view of an inner rotor of a tab motor according to a first embodiment;
FIG. 3 is a schematic structural view of a first rotor frame according to the first embodiment;
FIG. 4 is a schematic structural view of a second rotor frame according to the first embodiment;
FIG. 5 is a schematic structural view of a rotor core according to the first embodiment;
fig. 6 is a sectional view of an inner rotor of a tab motor according to the second embodiment;
FIG. 7 is an enlarged view at A of FIG. 6;
description of reference numerals:
1. a rotor core; 11. a magnetic steel jack; 12. a first through hole; 13. a shaft mounting hole; 14. a third groove; 2. a motor shaft; 3. a magnetic steel sheet; 4. a first rotor skeleton; 41. a second through hole; 42. a first insertion portion; 421. a first groove; 5. a second rotor skeleton; 51. a cylinder; 511. a first convex column; 512. a second convex column; 52. a hook; 53. a second insertion portion; 531. a second groove.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Example one
As shown in fig. 1-5, the present invention provides an insert type motor inner rotor, which includes a rotor core 1, a magnetic steel sheet 3 and a motor shaft 2, wherein a plurality of magnetic steel insertion holes 11 for the magnetic steel sheet 3 to be axially inserted are uniformly distributed on the rotor core 1, a plurality of axially arranged first through holes 12 are uniformly distributed on the rotor core 1, a first rotor frame 4 and a second rotor frame 5 for preventing the magnetic steel sheet 3 from coming out of the magnetic steel insertion holes 11 are respectively arranged at two axial ends of the rotor core 1, a first connecting portion is arranged on the first rotor frame 4, the first connecting portion includes a second through hole 41, a second connecting portion is arranged on the second rotor frame 5, the second connecting portion includes a cylinder 51, the second through holes 41 and the first through holes 12 are coaxially arranged in a one-to-one correspondence, the cylinder 51 is sequentially inserted into the first through holes 12 and the second through holes 41, one end of the cylinder 51 penetrates through the second through hole 41 and then is hot riveted, the structure can effectively improve the utilization rate of the inner space of the rotor core 1, the integral volume of the rotor is prevented from being increased, the first rotor framework 4 and the second rotor framework 5 are firmly connected, and the cylinder 51 is inserted into the first through hole 12 and the second through hole 41 in a matched manner, so that the two through holes are filled with the cylinder 51, and foreign matters and impurities are prevented from entering to cause the inner damage of the rotor core 1; simultaneously first rotor skeleton 4 and first connecting portion are moulded plastics by plastics an organic whole and are formed, second rotor skeleton 5 and second connecting portion are moulded plastics by plastics an organic whole and are formed, the quality that rotor core 1 was got rid of to first through-hole 12 part is greater than the quality of plastics material sum, makes the whole quality of rotor alleviate, has improved the holistic rotation efficiency of rotor, and then improves the motor performance.
In order to facilitate hot riveting, the cylinder 51 includes a first convex column 511 and a second convex column 512, the outer circumference of the first convex column 511 is smaller than that of the second convex column 512, so that the hot riveting area can be reduced, and the hot riveting efficiency can be improved, wherein the first convex column 511 is arranged in the second through hole 41, the second convex column 512 is arranged in the first through hole 12, and other connection modes can be welding, so that the two plastic materials are melted, and the connection stability is improved.
In order to install the rotor frame to provide positioning and improve the installation stability, the first inserting part 42 used for inserting into the magnetic steel jack 11 is arranged on the first rotor frame 4, the second inserting part 53 used for inserting into the magnetic steel jack 11 is arranged on the second rotor frame 5, which is beneficial to preventing the relative rotation of the two rotor frames and the rotor core 1, the first inserting part 42 and the second inserting part 53 are respectively propped against the two ends of the magnetic steel sheet 3, the axial movement of the magnetic steel sheet 3 in the magnetic steel jack 11 can be prevented, meanwhile, the first groove 421 inserted by one end of the magnetic steel sheet 3 is arranged in the first inserting part 42, the second groove 531 inserted by the other end of the magnetic steel sheet 3 is arranged in the second inserting part 53, the magnetic steel sheet 3 is coated by the first inserting part 42 and the second inserting part 53, the installation stability of the magnetic steel sheet 3 is improved, and the height of the magnetic steel sheet 3 is the same as that of the rotor core 1, material waste of the rotor core 1 is prevented. Preferably, the sum of the axial lengths of the first inserting portion 42 and the second inserting portion 53 inserted into the magnetic steel insertion hole 11 is equal to the axial length of the magnetic steel insertion hole 11, so that the axial intersection or the gap between the first inserting portion 42 and the second inserting portion 53 is prevented, the first inserting portion 42 and the second inserting portion 53 can be conveniently installed and inserted into the magnetic steel insertion hole 11, and the installation stability of the magnetic steel sheet 3 can be improved.
In order to improve rotor core 1 and motor shaft 2's stability of being connected, motor shaft 2 is fixed to be worn to establish in rotor core 1's axle mounting hole 13, motor shaft 2 and axle mounting hole 13 interference fit, the inner wall of axle mounting hole 13 is equipped with the third recess 14 of a plurality of along axial extension, makes in motor shaft 2's partial interference allowance gets into third recess 14, can prevent that both radial relative from skidding.
When the rotor core is used, the magnetic steel sheet 3 is inserted into the magnetic steel jack 11, the first rotor framework 4 and the second rotor framework 5 are installed at two axial ends of the rotor core 1, the first insertion portion 42 of the first rotor framework 4 is inserted into the magnetic steel jack 11, the second insertion portion 53 of the second rotor framework 5 is inserted into the magnetic steel jack 11, meanwhile, the column body 51 penetrates through the first through hole 12, the first convex column 511 penetrates through the second through hole 41, the first rotor framework 4 is fixedly connected with the second rotor framework 5 through hot riveting, and therefore the magnetic steel sheet 3 is installed and fixed in the magnetic steel jack 11.
Example two
As shown in fig. 6-7, the difference between the second embodiment and the first embodiment is that a hook 52 is disposed at one end of the cylinder 51, the hook 52 passes through the second through hole 41 and then is engaged with the second through hole 41, and for the convenience of passing the hook 52 through the second through hole 41, a guide surface is disposed on the hook 52.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention. .
Claims (9)
1. An inner rotor of a plug-in type motor comprises a rotor core (1), a magnetic steel sheet (3) and a motor shaft (2), wherein a plurality of magnetic steel jacks (11) for the magnetic steel sheet (3) to be inserted axially are uniformly distributed in the circumferential direction of the rotor core (1), and the inner rotor is characterized in that a plurality of first through holes (12) arranged axially are uniformly distributed in the circumferential direction of the rotor core (1), first rotor frameworks (4) and second rotor frameworks (5) for preventing the magnetic steel sheet (3) from being separated from the magnetic steel jacks (11) are respectively arranged at two axial ends of the rotor core (1), first connecting parts are arranged on the first rotor frameworks (4), second connecting parts are arranged on the second rotor frameworks (5), the second connecting parts penetrate through the first through holes (12) to be correspondingly connected with the first connecting parts, the first rotor frameworks (4) and the first connecting parts are integrally formed by plastic injection molding, the second rotor framework (5) and the second connecting portion are integrally formed by plastic in an injection molding mode.
2. The inner rotor of a blade-inserted motor according to claim 1, wherein the first rotor frame (4) is provided with a first insertion portion (42) for being inserted into the magnetic steel insertion hole (11), the second rotor frame (5) is provided with a second insertion portion (53) for being inserted into the magnetic steel insertion hole (11), and the first insertion portion (42) and the second insertion portion (53) are respectively abutted against two ends of the magnetic steel sheet (3).
3. The inner rotor of a tab motor according to claim 2, wherein the first insertion portion (42) is provided with a first groove (421) for inserting one end of the magnetic steel sheet (3), and the second insertion portion (53) is provided with a second groove (531) for inserting the other end of the magnetic steel sheet (3).
4. The inner rotor of a blade-inserted motor according to claim 1, wherein the first connecting portion includes a second through hole (41), and the second connecting portion includes a cylinder (51), and the cylinder (51) is sequentially inserted into the first through hole (12) and the second through hole (41) in a matching manner to connect the first rotor frame (4) and the second rotor frame (5).
5. The inner rotor of a blade-inserted motor according to claim 4, wherein one end of the cylinder (51) is hot-riveted after passing through the second through hole (41).
6. The inner rotor of a tab motor according to claim 5, wherein the cylinder (51) comprises a first protrusion (511) and a second protrusion (512), the outer circumference of the first protrusion (511) is smaller than the outer circumference of the second protrusion (512), the first protrusion (511) is disposed in the second through hole (41), and the second protrusion (512) is disposed in the first through hole (12).
7. One end of the clamping hook (52) is provided with a clamping hook (52), and the clamping hook (52) passes through the second through hole (41) and then is clamped with the second through hole (41).
8. The inner rotor of a tab motor according to claim 7, wherein the hook (52) is provided with a guide surface.
9. The rotor of claim 1, wherein the motor shaft (2) is fixedly inserted into a shaft mounting hole (13) of the rotor core (1), the motor shaft (2) is in interference fit with the shaft mounting hole (13), and the inner wall of the shaft mounting hole (13) is provided with a plurality of third grooves (14) extending in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111519859.XA CN113964985A (en) | 2021-12-14 | 2021-12-14 | Inserted sheet type motor inner rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111519859.XA CN113964985A (en) | 2021-12-14 | 2021-12-14 | Inserted sheet type motor inner rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113964985A true CN113964985A (en) | 2022-01-21 |
Family
ID=79473080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111519859.XA Pending CN113964985A (en) | 2021-12-14 | 2021-12-14 | Inserted sheet type motor inner rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113964985A (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09233750A (en) * | 1996-02-21 | 1997-09-05 | Daikin Ind Ltd | Brushless dc motor and its permanent magnet holding method |
| KR20000039493A (en) * | 1998-12-14 | 2000-07-05 | 구자홍 | Rotor of a brushless dc motor |
| JP2001251795A (en) * | 2000-03-07 | 2001-09-14 | Toshiba Kyaria Kk | Permanent magnet rotor |
| JP2004297947A (en) * | 2003-03-27 | 2004-10-21 | Mitsubishi Motors Corp | Rotor for motor |
| KR20050069935A (en) * | 2004-12-17 | 2005-07-05 | 가부시끼가이샤 도시바 | Rotor for external rotor―type permanent magnet motor |
| DE102005002332A1 (en) * | 2005-01-18 | 2006-07-27 | Daimlerchrysler Ag | Rotor for permanently excited electric machine e.g. electric drive motor of motor vehicle has magnets held in grooves of rotor by press fit whereby recess adjacent to the groove is arranged in the area around grooves |
| US20070029886A1 (en) * | 2003-09-30 | 2007-02-08 | Kabushiki Kaisha Toshiba | Rotor of motor |
| JP2007181254A (en) * | 2005-12-27 | 2007-07-12 | Mitsubishi Electric Corp | Rotor for permanent magnet embedded motor |
| JP2013051841A (en) * | 2011-08-31 | 2013-03-14 | Daikin Ind Ltd | Rotary electric machine |
| CN203387309U (en) * | 2013-07-20 | 2014-01-08 | 浙江尤里卡机电有限公司 | Sheet insertion-type magnet motor inner rotor |
| CN203589986U (en) * | 2012-10-04 | 2014-05-07 | 三菱电机株式会社 | Permanent magnet embedding motor |
| KR20140100337A (en) * | 2013-02-06 | 2014-08-14 | 주식회사 지앤제이 | Structure for fixing magnet of ipm motor |
| JP2016005419A (en) * | 2014-06-19 | 2016-01-12 | 日立アプライアンス株式会社 | Permanent magnet motor |
| US20160043620A1 (en) * | 2014-08-06 | 2016-02-11 | Johnson Electric S.A. | Brushless Direct Current Motor and Rotor Thereof |
| JP2017147867A (en) * | 2016-02-17 | 2017-08-24 | 株式会社ミツバ | Rotor and motor |
| US20170288483A1 (en) * | 2016-04-05 | 2017-10-05 | Samsung Electronics Co., Ltd. | Compressor motor and method for magnetizing rotor thereof |
| CN108471181A (en) * | 2018-05-24 | 2018-08-31 | 孙建林 | A kind of permanent magnet machine rotor |
| CN113300505A (en) * | 2021-06-28 | 2021-08-24 | 湖南航天磁电有限责任公司 | Permanent magnet brushless DC motor |
| CN214227970U (en) * | 2020-12-18 | 2021-09-17 | 江苏白雪电器股份有限公司 | Rotor part of direct current motor for small refrigeration compressor |
-
2021
- 2021-12-14 CN CN202111519859.XA patent/CN113964985A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09233750A (en) * | 1996-02-21 | 1997-09-05 | Daikin Ind Ltd | Brushless dc motor and its permanent magnet holding method |
| KR20000039493A (en) * | 1998-12-14 | 2000-07-05 | 구자홍 | Rotor of a brushless dc motor |
| JP2001251795A (en) * | 2000-03-07 | 2001-09-14 | Toshiba Kyaria Kk | Permanent magnet rotor |
| JP2004297947A (en) * | 2003-03-27 | 2004-10-21 | Mitsubishi Motors Corp | Rotor for motor |
| US20070029886A1 (en) * | 2003-09-30 | 2007-02-08 | Kabushiki Kaisha Toshiba | Rotor of motor |
| KR20050069935A (en) * | 2004-12-17 | 2005-07-05 | 가부시끼가이샤 도시바 | Rotor for external rotor―type permanent magnet motor |
| DE102005002332A1 (en) * | 2005-01-18 | 2006-07-27 | Daimlerchrysler Ag | Rotor for permanently excited electric machine e.g. electric drive motor of motor vehicle has magnets held in grooves of rotor by press fit whereby recess adjacent to the groove is arranged in the area around grooves |
| JP2007181254A (en) * | 2005-12-27 | 2007-07-12 | Mitsubishi Electric Corp | Rotor for permanent magnet embedded motor |
| JP2013051841A (en) * | 2011-08-31 | 2013-03-14 | Daikin Ind Ltd | Rotary electric machine |
| CN203589986U (en) * | 2012-10-04 | 2014-05-07 | 三菱电机株式会社 | Permanent magnet embedding motor |
| KR20140100337A (en) * | 2013-02-06 | 2014-08-14 | 주식회사 지앤제이 | Structure for fixing magnet of ipm motor |
| CN203387309U (en) * | 2013-07-20 | 2014-01-08 | 浙江尤里卡机电有限公司 | Sheet insertion-type magnet motor inner rotor |
| JP2016005419A (en) * | 2014-06-19 | 2016-01-12 | 日立アプライアンス株式会社 | Permanent magnet motor |
| US20160043620A1 (en) * | 2014-08-06 | 2016-02-11 | Johnson Electric S.A. | Brushless Direct Current Motor and Rotor Thereof |
| JP2017147867A (en) * | 2016-02-17 | 2017-08-24 | 株式会社ミツバ | Rotor and motor |
| US20170288483A1 (en) * | 2016-04-05 | 2017-10-05 | Samsung Electronics Co., Ltd. | Compressor motor and method for magnetizing rotor thereof |
| CN108471181A (en) * | 2018-05-24 | 2018-08-31 | 孙建林 | A kind of permanent magnet machine rotor |
| CN214227970U (en) * | 2020-12-18 | 2021-09-17 | 江苏白雪电器股份有限公司 | Rotor part of direct current motor for small refrigeration compressor |
| CN113300505A (en) * | 2021-06-28 | 2021-08-24 | 湖南航天磁电有限责任公司 | Permanent magnet brushless DC motor |
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