CN113098166B - Rotor punching sheet and rotor iron core - Google Patents
Rotor punching sheet and rotor iron core Download PDFInfo
- Publication number
- CN113098166B CN113098166B CN202010021812.XA CN202010021812A CN113098166B CN 113098166 B CN113098166 B CN 113098166B CN 202010021812 A CN202010021812 A CN 202010021812A CN 113098166 B CN113098166 B CN 113098166B
- Authority
- CN
- China
- Prior art keywords
- magnet mounting
- mounting hole
- body plate
- stress
- rotor
- 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.)
- Active
Links
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
- 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
-
- 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)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention relates to a rotor component of a motor, and provides a rotor punching sheet and a rotor iron core, wherein the rotor punching sheet comprises a body plate, a rotating shaft mounting hole is formed in the center of the body plate, a magnet mounting hole and a magnetic isolation bridge positioned at the end part of the magnet mounting hole are formed in the body plate, the surfaces of two sides of the magnetic isolation bridge are sunken, a stress release hole extending to the magnetic isolation bridge is formed in the body plate, and the stress release hole is provided with a smooth contour line. According to the rotor punching sheet, the stress release grooves are formed in the magnetic isolation bridges near the magnet mounting holes, so that stress concentration at the magnetic isolation bridges with small thickness, particularly stress concentration generated by centrifugal force during high-speed rotation can be avoided, a specific force transmission direction is formed, stress release is facilitated, the integral strength is improved, and a rotor iron core is allowed to have higher rotating speed.
Description
Technical Field
The invention relates to a rotor part of a motor, in particular to a rotor punching sheet and a rotor iron core.
Background
In order to pursue extremely-high requirements on power density, torque density, light weight, quick torque response and the like, a large number of permanent magnet synchronous driving motors for new energy automobiles are designed by adopting the high-speed rotating speed of rotors, the highest designed rotating speed of each mainstream driving motor reaches 12000-18000 RPM, and in terms of ensuring mechanical strength, effectively utilizing reluctance torque to save cost of magnetic steel and the like, a basic structure that the magnetic steel is embedded in a rotor silicon steel sheet punching sheet is usually adopted. Namely a built-in permanent magnet synchronous motor.
The rotor core is formed by overlapping a plurality of rotor punching sheets, each rotor punching sheet is provided with a mounting hole for accommodating the permanent magnet, and when the rotor rotates at a high speed, centrifugal force generated by the rotor punching sheets and the permanent magnets acts on the rotor punching sheets, so that higher requirements on the strength of the rotor punching sheets are provided.
Disclosure of Invention
In view of this, the present invention provides a rotor sheet to solve the problem that the rotation speed of a rotor core is limited by strength.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a rotor punching sheet, wherein, rotor punching sheet includes the body board, the central point of body board puts and is provided with the pivot mounting hole, be provided with the magnet mounting hole on the body board and be located the magnetism bridge that separates of the tip of magnet mounting hole, separate the both sides surperficial sunken of magnetism bridge, be provided with on the body board and extend to separate the stress relief hole of magnetism bridge, stress relief hole has smooth contour line.
Further, the magnet mounting holes include peripheral magnet mounting holes arranged at intervals in a circumferential direction near the peripheral edge of the body plate, a length direction of the peripheral magnet mounting holes corresponds to the circumferential direction of the body plate, the magnetic shield bridge includes a first magnetic shield bridge facing an end of the peripheral magnet mounting holes in the circumferential direction, and the stress relief holes include first stress relief grooves extending radially inward from the peripheral edge of the body plate to the first magnetic shield bridge.
Further, the peripheral magnet mounting hole is rectangular, the body plate is provided with first stress release holes integrally communicated with corners of the peripheral magnet mounting hole, and the first stress release holes have smooth contour lines.
Further, the magnet mounting hole includes that the multiunit constitutes into the interior circumference magnet mounting hole of V-arrangement, and every group includes two interior circumference magnet mounting hole, two of every group be provided with between the radial outer end of interior circumference magnet mounting hole the outer circumference magnet mounting hole, it includes along the length direction orientation of interior circumference magnet mounting hole the second of the radial outer end of interior circumference magnet mounting hole separates the magnetism bridge, the stress release hole include with the integrative intercommunication of the radial outer end of interior circumference magnet mounting hole just extends to the second stress release groove that separates the magnetism bridge.
Further, the magnetism isolating bridge comprises a third magnetism isolating bridge arranged between the radial inner ends of the two inner circumference magnet mounting holes of each group, and the stress releasing groove comprises a third stress releasing groove integrally communicated with the radial inner ends of the inner circumference magnet mounting holes and extending to the third magnetism isolating bridge.
Further, the third stress relief grooves are C-shaped, and in each set of the inner peripheral magnet mounting holes, openings of the corresponding two third stress relief grooves face away from each other.
Further, the inner peripheral magnet mounting hole is rectangular, and the body plate is provided with second stress release holes integrally communicated with corners of the inner peripheral magnet mounting hole, the second stress release holes having smooth contour lines.
Further, the body plate is provided with lightening holes which are arranged around the rotating shaft mounting hole at intervals along the circumferential direction.
Further, the lightening holes are in a strip shape extending along the circumferential direction, and the lightening holes have smooth contour lines.
Compared with the prior art, the rotor punching sheet has the following advantages:
according to the rotor punching sheet, the stress release grooves are formed in the magnetic isolation bridges near the magnet mounting holes, so that stress concentration at the magnetic isolation bridges with small thickness, particularly stress concentration generated by centrifugal force during high-speed rotation can be avoided, a specific force transmission direction is formed, stress release is facilitated, the integral strength is improved, and a rotor iron core is allowed to have higher rotating speed.
Another object of the present invention is to provide a rotor core to solve the problem that the rotation speed of the rotor core is limited by strength.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a rotor core is provided with the rotor punching sheet.
The rotor core has the same advantages as those described above with respect to the prior art, and thus, the description thereof is omitted.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of a rotor sheet according to an embodiment of the present invention;
fig. 2 is a schematic partial structural view of a rotor sheet according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another part of a rotor sheet according to an embodiment of the present invention.
Description of reference numerals:
1-a body plate, 2-an outer circumference magnet mounting hole, 3-a first magnetic isolation bridge, 4-a first stress release groove, 5-a first stress release hole, 6-an inner circumference magnet mounting hole, 7-a second magnetic isolation bridge, 8-a second stress release groove, 9-a third magnetic isolation bridge, 10-a third stress release groove, 11-a second stress release hole and 12-a lightening hole.
Detailed Description
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The invention provides a rotor punching sheet, wherein the rotor punching sheet comprises a body plate 1, a rotating shaft mounting hole is formed in the center of the body plate 1, a magnet mounting hole and a magnetic isolation bridge located at the end part of the magnet mounting hole are formed in the body plate 1, the surfaces of two sides of the magnetic isolation bridge are sunken, a stress release hole extending to the magnetic isolation bridge is formed in the body plate 1, and the stress release hole is provided with a smooth contour line.
Rotor punching can superpose the connection and form rotor core, and rotor punching's body board 1 roughly forms to circularly, and central point puts to be provided with the pivot mounting hole on it to connect in the pivot of rotor, body board 1 still is provided with the magnet mounting hole, and these magnet mounting holes correspond the space that forms and hold the magnet after a plurality of rotor punching stack, in order to install the magnet in rotor core.
In addition, a magnetic isolation bridge is further arranged near the end part of the magnet mounting hole, and the surfaces of two sides of the body plate 1 at the magnetic isolation bridge are sunken, namely the thickness of the magnetic isolation bridge is smaller than that of other positions, so that the magnetic isolation effect is realized.
Because the thickness of separating the magnetic bridge is less, stress concentration appears easily, consequently, this scheme sets up the stress relief groove that link up on body board 1, and the stress relief groove extends to separating magnetic bridge department, and when rotor core that the rotor punching piece is constituteed was rotatory, the stress that the magnet produced can be released to the stress relief groove for stress is along the profile edge release in stress relief groove, avoids forming stress concentration and leads to the rotor punching piece fracture.
Specifically, the magnet mounting holes include peripheral magnet mounting holes 2 arranged at intervals in the circumferential direction near the peripheral edge of the body plate 1, the length direction of the peripheral magnet mounting holes 2 corresponds to the circumferential direction of the body plate 1, the magnetic shield bridge includes a first magnetic shield bridge 3 facing the end of the peripheral magnet mounting holes 2 in the circumferential direction, and the stress relief hole includes a first stress relief groove 4 extending radially inward from the peripheral edge of the body plate 1 to the first magnetic shield bridge 3. As shown in fig. 1 and 2, the outer ring portion of the body plate 1 is provided with a plurality of peripheral magnet mounting holes 2, the length direction of the peripheral magnet mounting holes 2 corresponds to the circumferential direction of the body plate 1, the portion of the body plate 1 near the end of the peripheral magnet mounting holes 2 is a magnetic isolation bridge, i.e., a first magnetic isolation bridge 3, where a first stress relief groove 4 is provided, the first stress relief groove 4 extends from the peripheral edge of the body plate 1 to the first magnetic isolation bridge 3, the width of the portion thereof near the radial inner end is larger, similar to an inverted Ω shape, by providing the first stress relief groove 4, the "centrifugal force" generated during rotation can be guided radially outward, a reasonable force transmission path is formed, the stress at the first magnetic isolation bridge 3 can be relieved, and stress concentration is avoided.
Further, the peripheral magnet mounting hole 2 is rectangular, the body plate 1 is provided with first stress release holes 5 integrally communicating with corners of the peripheral magnet mounting hole 2, and the first stress release holes 5 have a smooth contour line. Referring to fig. 1 and 2, the peripheral magnet mounting hole 2 itself has a shape corresponding to the sectional shape of the magnet, and is rectangular, and in order to eliminate stress concentration at each corner, first stress releasing holes 5 are provided at the corners of the peripheral magnet mounting hole 2 to remove the sharp shape at the corners, forming a smooth contour line.
In particular, referring to fig. 2, a partial curve of the first stress relief groove 4 is parallel to a partial curve of the adjacent first stress relief hole 5, and the curve may be considered to be formed by connecting a plurality of straight lines, and the plurality of straight lines of the first stress relief groove 4 are parallel to the plurality of straight lines of the first stress relief hole 5 in a one-to-one correspondence manner, which is also beneficial to eliminating stress concentration and relieving stress.
In addition, the magnet mounting hole includes that the multiunit constitutes the interior circumference magnet mounting hole 6 that becomes the V-arrangement, and every group includes two interior circumference magnet mounting hole 6, two of every group be provided with between the radial outer end of interior circumference magnet mounting hole 6 outer circumference magnet mounting hole 2, it includes along the length direction of interior circumference magnet mounting hole 6 towards the second that the radial outer end of interior circumference magnet mounting hole 6 separates the magnetism bridge 7, the stress relief hole include with the integrative intercommunication of the radial outer end of interior circumference magnet mounting hole 6 and extend to the second stress relief groove 8 that separates magnetism bridge 7. Referring to fig. 1, the body plate 1 is further provided with a plurality of sets of inner peripheral magnet mounting holes 6, each two inner peripheral magnet mounting holes 6 are grouped, and the radially inner ends of the two inner peripheral magnet mounting holes 6 are close to each other to be formed in a substantially V-shape. Wherein, the outer circumference magnet mounting hole 2 is arranged between the radial outer ends of the inner circumference magnet mounting holes 6 of each group, and the three magnet mounting holes are approximately formed into a triangle. Wherein, a second magnetism isolating bridge 7 is arranged near the radial outer end of the inner circumference magnet mounting hole 6, and a second stress relief groove 8 extends to the second magnetism isolating bridge 7, a radial force transmission path can be formed to transmit the centrifugal force generated during rotation, so as to relieve the stress of the part (the second magnetism isolating bridge 7) with smaller thickness of the body plate 1.
In addition, the magnetic shield bridge includes a third magnetic shield bridge 9 disposed between the radially inner ends of the two inner peripheral magnet mounting holes 6 of each set, and the stress relief groove includes a third stress relief groove 10 integrally communicating with the radially inner ends of the inner peripheral magnet mounting holes 6 and extending to the third magnetic shield bridge 9. Referring to fig. 1 and 3, a magnetism isolating bridge, i.e., a third magnetism isolating bridge 9, is also provided near the radially inner end of the inner peripheral magnet mounting hole 6, and a stress relief groove, i.e., a third stress relief groove 10, is also provided, and the magnetism isolating bridges of the radially inner ends of the two inner peripheral magnet mounting holes 6 are joined together to form a structure extending substantially in the radial direction. The third stress relief groove 10 integrally communicates with the inner circumferential magnet mounting hole 6, and may be connected to, in particular, one corner of the inner circumferential magnet mounting hole 6, and may relieve stress at the third magnetic isolation bridge 9.
Further, the third stress relief grooves 10 are C-shaped, and in each set of the inner peripheral magnet mounting holes 6, the openings of the corresponding two third stress relief grooves 10 face away from each other. Referring to fig. 3, the third stress relief grooves 10 are substantially C-shaped and have openings (the openings are solid structures of the body plate 1), and the third stress relief grooves 10 corresponding to the inner peripheral magnet mounting holes 6 of the same group are disposed away from each other, i.e., the openings are opposite to each other.
In addition, the inner peripheral magnet mounting hole 6 is rectangular, the body plate 1 is provided with second stress relief holes 11 integrally communicating with corners of the inner peripheral magnet mounting hole 6, and the second stress relief holes 11 have a smooth contour line. The inner peripheral magnet mounting hole 6 is rectangular to fit the rectangular cross section of the magnet, and in order to eliminate stress concentration at each corner, a second stress relief hole 11 communicating with the angle of the inner peripheral magnet mounting hole 6 is provided, eliminating the sharp shape at the corner.
In particular, a partial curve of the third stress relief groove 10 and a partial curve of the adjacent second stress relief hole 11 are "parallel" to each other, the curves may be considered to be formed by smoothly connecting a plurality of straight lines, and the plurality of straight lines of a part of the third stress relief groove 10 and the plurality of straight lines of a part of the second stress relief hole 11 are parallel to each other in one-to-one correspondence, so that the "centrifugal force" is transmitted outward along a specific path when the rotor core rotates at a high speed, and stress concentration is prevented.
The magnet mounting hole may have a trapezoidal shape, a circular shape, an elliptical shape, a fan shape, a triangular shape, a truncated cone shape, an "L" shape, a "U" shape, a "W" shape, a "C" shape, an "I" shape, or the like.
In addition, the body plate 1 is provided with lightening holes 12 arranged at intervals in the circumferential direction around the rotating shaft mounting hole. The lightening holes 12 can reduce the overall mass of the rotor punching sheet, namely the rotor core, can reduce the centrifugal force generated during the overall rotation, and are also beneficial to reducing stress concentration.
Further, the lightening holes 12 are in a strip shape extending in the circumferential direction, and the lightening holes 12 have a smooth contour line. The lightening holes 12 are approximately strip-shaped holes, and two ends of each lightening hole can be arc-shaped, so that the whole lightening holes have smooth contour lines, and stress concentration is avoided.
In addition, the invention also provides a rotor core, wherein the rotor core is provided with the rotor punching sheet in the scheme. A plurality of rotor punching stack are connected to the magnet mounting hole aligns, sets up the magnet (for example permanent magnet) wherein, thereby forms rotor core, and the pivot mounting hole can hold the pivot and insert, be the connected mode that can adopt interference fit between rotor mounting hole and the pivot.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The rotor punching sheet is characterized by comprising a body plate (1), wherein a rotating shaft mounting hole is formed in the center of the body plate (1), a magnet mounting hole and a magnetic isolation bridge located at the end of the magnet mounting hole are formed in the body plate (1), the surfaces of two sides of the magnetic isolation bridge are sunken, a stress release hole extending to the magnetic isolation bridge is formed in the body plate (1), and the stress release hole is provided with a smooth contour line;
the magnet mounting holes comprise a plurality of groups of V-shaped inner peripheral magnet mounting holes (6), each group comprises two inner peripheral magnet mounting holes (6), the magnetism isolating bridge comprises a third magnetism isolating bridge (9) arranged between the radial inner ends of the two inner peripheral magnet mounting holes (6) of each group, and the stress releasing hole comprises a third stress releasing groove (10) which is integrally communicated with the radial inner ends of the inner peripheral magnet mounting holes (6) and extends to the third magnetism isolating bridge (9); the third stress relief grooves (10) are C-shaped, and in each set of the inner peripheral magnet mounting holes (6), openings of corresponding two of the third stress relief grooves (10) face away from each other; the inner circumference magnet mounting hole (6) is rectangular, the body plate (1) is provided with a second stress release hole (11) integrally communicated with the corner of the inner circumference magnet mounting hole (6), the second stress release hole (11) has a smooth contour line, and a plurality of sections of straight lines of one part of the third stress release groove (10) and a plurality of sections of straight lines of one part of the second stress release hole (11) are parallel to each other in a one-to-one correspondence manner.
2. The rotor punching sheet according to claim 1, wherein the magnet mounting holes comprise peripheral magnet mounting holes (2) arranged at intervals in a circumferential direction near a peripheral edge of the body plate (1), a length direction of the peripheral magnet mounting holes (2) corresponds to the circumferential direction of the body plate (1), the magnet bridge comprises a first magnet bridge (3) facing an end of the peripheral magnet mounting holes (2) in the circumferential direction, and the stress relief holes comprise first stress relief grooves (4) extending radially inward from the peripheral edge of the body plate (1) to the first magnet bridge (3).
3. The rotor punching sheet according to claim 2, wherein the peripheral magnet mounting hole (2) is rectangular, the body plate (1) is provided with first stress release holes (5) integrally communicating with corners of the peripheral magnet mounting hole (2), and the first stress release holes (5) have a smooth contour line.
4. The rotor sheet according to claim 2, wherein the outer circumferential magnet mounting hole (2) is arranged between the radial outer ends of the two inner circumferential magnet mounting holes (6) of each group, the magnetic isolation bridge comprises a second magnetic isolation bridge (7) facing the radial outer end of the inner circumferential magnet mounting hole (6) along the length direction of the inner circumferential magnet mounting hole (6), and the stress relief hole comprises a second stress relief groove (8) integrally communicated with the radial outer end of the inner circumferential magnet mounting hole (6) and extending to the second magnetic isolation bridge (7).
5. The rotor punching sheet according to claim 1, wherein the body plate (1) is provided with lightening holes (12) arranged at intervals in the circumferential direction around the rotating shaft mounting hole.
6. The rotor sheet according to claim 5, characterized in that the lightening holes (12) are bar-shaped extending in the circumferential direction, and the lightening holes (12) have a smooth contour line.
7. A rotor core, characterized in that the rotor core is provided with a rotor sheet as claimed in any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010021812.XA CN113098166B (en) | 2020-01-09 | 2020-01-09 | Rotor punching sheet and rotor iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010021812.XA CN113098166B (en) | 2020-01-09 | 2020-01-09 | Rotor punching sheet and rotor iron core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113098166A CN113098166A (en) | 2021-07-09 |
| CN113098166B true CN113098166B (en) | 2022-11-04 |
Family
ID=76663654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010021812.XA Active CN113098166B (en) | 2020-01-09 | 2020-01-09 | Rotor punching sheet and rotor iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113098166B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113315310A (en) * | 2021-07-30 | 2021-08-27 | 深圳诚一信科技有限公司 | Special speed reducing motor for anti-theft door |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012034432A (en) * | 2010-07-28 | 2012-02-16 | Toyota Motor Corp | Rotary electric machine |
| JP2015053831A (en) * | 2013-09-09 | 2015-03-19 | トヨタ自動車株式会社 | Rotor of rotating electrical machine |
| JP2015073397A (en) * | 2013-10-03 | 2015-04-16 | シンフォニアテクノロジー株式会社 | Synchronous motor |
| JP2015116025A (en) * | 2013-12-11 | 2015-06-22 | 株式会社安川電機 | Rotary electric machine |
| JP2015171158A (en) * | 2014-03-04 | 2015-09-28 | 株式会社東芝 | Permanent magnet type rotary electric machine |
| CN105814773A (en) * | 2013-12-09 | 2016-07-27 | 三菱电机株式会社 | Embedded-permanent-magnet electric motor |
| CN106787316A (en) * | 2016-12-22 | 2017-05-31 | 温岭市九洲电机制造有限公司 | A kind of lamination structure of magneto |
| JP2018198534A (en) * | 2018-09-19 | 2018-12-13 | 株式会社デンソー | Rotary electric machine |
| CN209545283U (en) * | 2019-04-24 | 2019-10-25 | 广东美芝精密制造有限公司 | Rotor core, magneto and compressor |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7598645B2 (en) * | 2007-05-09 | 2009-10-06 | Uqm Technologies, Inc. | Stress distributing permanent magnet rotor geometry for electric machines |
| JP5331761B2 (en) * | 2010-08-09 | 2013-10-30 | 株式会社日立製作所 | Permanent magnet rotating electric machine |
| JP5936060B2 (en) * | 2012-09-14 | 2016-06-15 | 株式会社デンソー | Rotating electrical machine rotor |
| JP2015053822A (en) * | 2013-09-09 | 2015-03-19 | トヨタ自動車株式会社 | Rotor and method of manufacturing rotor |
| JP5962632B2 (en) * | 2013-11-15 | 2016-08-03 | 株式会社デンソー | Rotor for rotating electrical machine and method for manufacturing the same |
| JP6226196B2 (en) * | 2014-04-15 | 2017-11-08 | 株式会社デンソー | Rotating electrical machine rotor |
| CN104578496B (en) * | 2014-10-30 | 2017-04-12 | 沈阳工业大学 | High-strength rotor structure of high-speed permanent magnet synchronous generator for vehicle |
| CN107834730A (en) * | 2017-11-01 | 2018-03-23 | 莱克电气股份有限公司 | Embedded permanent magnet synchronous motor rotor core |
| CN208158259U (en) * | 2018-02-07 | 2018-11-27 | 上海力信电气技术有限公司 | Rotor assembly unit and its rotor |
| CN108711978A (en) * | 2018-06-28 | 2018-10-26 | 广州精传科技有限公司 | It is a kind of to adapt to high-speed rotating rotor punching |
-
2020
- 2020-01-09 CN CN202010021812.XA patent/CN113098166B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012034432A (en) * | 2010-07-28 | 2012-02-16 | Toyota Motor Corp | Rotary electric machine |
| JP2015053831A (en) * | 2013-09-09 | 2015-03-19 | トヨタ自動車株式会社 | Rotor of rotating electrical machine |
| JP2015073397A (en) * | 2013-10-03 | 2015-04-16 | シンフォニアテクノロジー株式会社 | Synchronous motor |
| CN105814773A (en) * | 2013-12-09 | 2016-07-27 | 三菱电机株式会社 | Embedded-permanent-magnet electric motor |
| JP2015116025A (en) * | 2013-12-11 | 2015-06-22 | 株式会社安川電機 | Rotary electric machine |
| JP2015171158A (en) * | 2014-03-04 | 2015-09-28 | 株式会社東芝 | Permanent magnet type rotary electric machine |
| CN106787316A (en) * | 2016-12-22 | 2017-05-31 | 温岭市九洲电机制造有限公司 | A kind of lamination structure of magneto |
| JP2018198534A (en) * | 2018-09-19 | 2018-12-13 | 株式会社デンソー | Rotary electric machine |
| CN209545283U (en) * | 2019-04-24 | 2019-10-25 | 广东美芝精密制造有限公司 | Rotor core, magneto and compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113098166A (en) | 2021-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9496758B2 (en) | Rotor for rotating electric machine | |
| US9780613B2 (en) | Permanent magnet rotor with inner and outer circumferential inclined ribs | |
| US8878410B2 (en) | Rotor with reinforcing portions for an electric rotating machine | |
| CA2615115A1 (en) | Stress distributing permanent magnet rotor geometry for electric machines | |
| EP3764520B1 (en) | Rotor for dynamo-electric machine, and rotor core support structure for dynamo-electric machine | |
| CN114498977A (en) | Rotor core, rotor, motor driving system and electric vehicle | |
| CN113346652A (en) | Permanent magnet motor | |
| CN110875655B (en) | Motor rotor, motor and electric automobile | |
| CN113098166B (en) | Rotor punching sheet and rotor iron core | |
| CN210985764U (en) | Rotor punching sheet and motor | |
| US20150380994A1 (en) | Rotating electric machine | |
| CN210111718U (en) | Motor rotor with asymmetric magnetic bridges and motor comprising same | |
| US20240120784A1 (en) | Rotor, motor, powertrain, and vehicle | |
| US20200227963A1 (en) | Rotor core of rotating electrical machine | |
| JP4644922B2 (en) | Synchronous motor rotor structure | |
| CN116470674A (en) | Rotor punching sheet and motor | |
| CN114362397B (en) | Punching sheet structure, rotor assembly and motor | |
| CN105990920A (en) | Rotor iron core and motor having the same | |
| JP2000139063A (en) | Permanent magnet type synchronous electric rotating machine | |
| CN113489182A (en) | High-speed permanent magnet motor rotor punching sheet structure | |
| CN111416455A (en) | Rotor punching sheet of high-speed permanent magnet synchronous motor for vehicle and motor | |
| CN112953152A (en) | High salient pole ratio permanent magnet motor for electric motor | |
| CN218920087U (en) | Permanent magnet driving motor rotor, driving motor and new energy automobile | |
| CN113659746A (en) | Rotor punching sheet group, rotor iron core, rotor and motor | |
| CN217240422U (en) | Rotor punching sheet of permanent magnet synchronous motor, motor rotor and permanent magnet synchronous motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230403 Address after: 221300 New energy automobile industrial park on the north side of Binhu Avenue and the west side of Taihu Avenue, High-tech Zone, Pizhou City, Xuzhou City, Jiangsu Province Patentee after: Honeycomb Drive Technology Pizhou Co.,Ltd. Address before: 071000 in No.75 Dongsheng Road, Lianchi District, Baoding City, Hebei Province Patentee before: Baoding R & D branch of honeycomb transmission system (Jiangsu) Co.,Ltd. |
|
| TR01 | Transfer of patent right |