CN106787318A - Permagnetic synchronous motor p-m rotor punching and permagnetic synchronous motor - Google Patents
Permagnetic synchronous motor p-m rotor punching and permagnetic synchronous motor Download PDFInfo
- Publication number
- CN106787318A CN106787318A CN201611232592.5A CN201611232592A CN106787318A CN 106787318 A CN106787318 A CN 106787318A CN 201611232592 A CN201611232592 A CN 201611232592A CN 106787318 A CN106787318 A CN 106787318A
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- synchronous motor
- permagnetic synchronous
- punching
- reinforcement
- 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
- 238000004080 punching Methods 0.000 title claims abstract description 55
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 67
- 239000010959 steel Substances 0.000 claims abstract description 67
- 230000002787 reinforcement Effects 0.000 claims abstract description 24
- 230000007423 decrease Effects 0.000 abstract description 5
- 230000005347 demagnetization Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
This application discloses permagnetic synchronous motor p-m rotor punching and permagnetic synchronous motor, wherein permagnetic synchronous motor p-m rotor punching, including punching body, punching body are evenly arranged with multipair V-arrangement magnet steel groove around its axis direction；Each pair V-arrangement magnet steel groove includes two symmetrically arranged magnet steel mounting grooves, and there is reinforcement between the adjoining both sides of two magnet steel mounting grooves, magnet steel mounting groove has interpolar every magnetic bridge away from the side of reinforcement, and magnet steel mounting groove is respectively provided with extremely interior every magnetic bridge adjacent to the two ends of the side of reinforcement.The application can improve mechanical strength under rotor runs at high speed by setting reinforcement, by setting interpolar every magnetic bridge, can be in the case where main magnetic circuit not be influenceed, effectively reduce the leakage field of interpolar, reduce the demagnetization risk of magnet steel sharp corner, two extremely interior itself leakage fields and magnet steel between of magnet steel end that can be effectively reduced every magnetic bridge caused by reinforcement of magnet steel mounting groove, make extremely interior leakage field decrease.
Description
Technical field
The present invention relates to technical field of motors, and in particular to permagnetic synchronous motor p-m rotor punching and permanent-magnet synchronous
Motor.
Background technology
In recent years, rare earth permanent-magnet synchronization motor is used as energy-conserving product, with small volume, power density be big, lightweight, efficiency
The advantages of height, good output, the application for obtaining is more and more extensive.Permanent magnet is introduced in the rotor of permagnetic synchronous motor, its
Magnetic structure complexity is various, calculates that analysis is more complicated than common electric machine more, thus reasonable selection permagnetic synchronous motor rotor
Structure turns into the emphasis and difficult point of the design of electrical motor.The rotor magnetic circuit structural of permagnetic synchronous motor can substantially be divided into 2 major classes, point
Wei not surface-mount type magnetic structure and plug-in type magnetic structure.For rotor plug-in type magnetic structure, due to the leakage of magnetic circuit
Magnetic is larger and makes the utilization rate of magnet steel relatively low, and rotor structure is unreasonable in addition, and the overload capacity for often resulting in motor is poor, work(
Rate density is relatively low, stray loss and rotor eddy current loss are bigger than normal etc..How the leakage field of magnet steel is reduced, and the utilization rate for improving magnet steel is come
Improving the power density and overload capacity of motor turns into a key point of interior permanent magnet machines design.
The content of the invention
The present invention is regarding to the issue above, it is proposed that the permagnetic synchronous motor that can effectively reduce the leakage field of magnet steel is turned with permanent magnetism
Sub- punching and permagnetic synchronous motor.
The technical scheme that the present invention takes is as follows：
A kind of p-m rotor punching of permagnetic synchronous motor, including punching body, punching body are uniform around its axis direction
N is provided with to V-arrangement magnet steel groove, wherein n is the number of poles of rotor, and n is the integer more than or equal to 2；Each pair V-arrangement magnet steel groove includes
There is reinforcement, magnet steel is installed between two symmetrically arranged magnet steel mounting grooves, and the adjoining both sides of two magnet steel mounting grooves
Groove has interpolar every magnetic bridge away from the side of reinforcement, magnet steel mounting groove adjacent to the two ends of the side of reinforcement be respectively provided with it is extremely interior every
Magnetic bridge, respectively first is extremely interior extremely interior every magnetic bridge every magnetic bridge and second.
Mechanical strength under rotor runs at high speed can be improved by setting reinforcement, by setting interpolar every magnetic bridge, energy
It is enough to effectively reduce the leakage field of interpolar in the case where main magnetic circuit is not influenceed, reduce the demagnetization risk of magnet steel sharp corner, magnet steel peace
Two extremely interior itself leakage fields and magnet steel between of magnet steel end that can be effectively reduced every magnetic bridge caused by reinforcement of tankage, make
Extremely interior leakage field decreases.By interpolar every the extremely interior reasonable design every magnetic bridge of magnetic bridge and two, increase the magnetic field of main magnetic circuit
By force, the leakage field of rotor magnetic circuit is reduced, magnet steel utilization rate is improved, increases the power density of motor.
Furthermore, it is 125 °~140 ° that two magnet steel mounting grooves institute of V-arrangement magnet steel groove is angled.
Furthermore, the punching body includes 8 pairs of V-arrangement magnet steel grooves.
Furthermore, the width of the reinforcement is 1~3mm.
Furthermore, the minimum range of the V-arrangement magnet steel slot distance punching body peripheral is 1~3mm.
The machine under rotor runs at high speed can be improved by the minimum range for limiting V-arrangement magnet steel slot distance punching body peripheral
Tool intensity.
Furthermore, the punching body includes being arranged on the mounting hole of middle, and the side wall of mounting hole has keyway,
The keyway is used to be positioned with rotating shaft to be fixed.
Rotating shaft is provided with keyway, and rotating shaft is fixed on the positioning by flat key with the keyway on rotor punching, while in rotor
Keyway also acts as positioning action when punching is laminated.
Furthermore, the side wall of the mounting hole also have reason film trap, the reason film trap with keyway relative to punching
It is not 180 ° that body central institute is angled.
The angled relative to punching body central institute with keyway of reason film trap is not 180 °, is so set, by managing film trap
Rotor be ensure that when laminating, rotor punching burr direction is consistent, can effectively improve stacking factor.
Disclosed herein as well is a kind of permagnetic synchronous motor, including rotor punching, the rotor punching is above-mentioned permanent magnetism
Synchronous motor p-m rotor punching.
The beneficial effects of the invention are as follows：Mechanical strength under rotor runs at high speed can be improved by setting reinforcement, is led to
Setting interpolar is crossed every magnetic bridge, the leakage field of interpolar in the case where main magnetic circuit is not influenceed, can be effectively reduced, reduce magnet steel wedge angle
The demagnetization risk at place, two extremely interior magnet steel ends itself that can be effectively reduced every magnetic bridge caused by reinforcement of magnet steel mounting groove
Leakage field and magnet steel between, makes extremely interior leakage field decrease.By interpolar every extremely interior rationally the setting every magnetic bridge of magnetic bridge and two
Meter, makes the magnetic field-enhanced of main magnetic circuit, reduces the leakage field of rotor magnetic circuit, improves magnet steel utilization rate, increases the power density of motor.
Brief description of the drawings：
Fig. 1 is the schematic diagram of permagnetic synchronous motor p-m rotor punching of the present invention.
Each reference is in figure：
1st, film trap is managed；2nd, punching body；3rd, interpolar is every magnetic bridge；4th, magnet steel mounting groove；5th, first is extremely interior every magnetic bridge；6th, second
It is extremely interior every magnetic bridge；7th, mounting hole；9th, reinforcement；10th, keyway.
Specific embodiment：
With reference to each accompanying drawing, the present invention is described in detail.
Embodiment 1
As shown in figure 1, a kind of p-m rotor punching of permagnetic synchronous motor, including punching body 2, punching body 2 is around it
Axis direction is evenly arranged with n to V-arrangement magnet steel groove, and wherein n is the number of poles of rotor, and n is the integer more than or equal to 2；Each pair V-arrangement
Magnet steel groove include having between two symmetrically arranged magnet steel mounting grooves 4, and the adjoining both sides of two magnet steel mounting grooves 4 plus
Strong muscle 9, magnet steel mounting groove 4 has interpolar every magnetic bridge 3 (at see I) away from the side of reinforcement 9, and magnet steel mounting groove 4 is neighbouring to be strengthened
The two ends of the side of muscle 9 be respectively provided with it is extremely interior every magnetic bridge, respectively first it is extremely interior every magnetic bridge 5 and second it is extremely interior every magnetic bridge 6 (see II
Place).
In the present embodiment, it is 125 °~140 ° that the institute of two magnet steel mounting grooves 4 of V-arrangement magnet steel groove is angled.
In the present embodiment, punching body 2 includes 8 pairs of V-arrangement magnet steel grooves.
In the present embodiment, the width of reinforcement 9 is 1~3mm.
In the present embodiment, the minimum range of the periphery of V-arrangement magnet steel slot distance punching body 2 is 1~3mm.
Can be improved under rotor runs at high speed by the minimum range for limiting the periphery of V-arrangement magnet steel slot distance punching body 2
Mechanical strength.
In the present embodiment, punching body 2 includes being arranged on the mounting hole 7 of middle, and the side wall of mounting hole 7 has keyway
10, keyway 10 is used to be positioned with rotating shaft to be fixed.
Rotating shaft is provided with keyway 10, and rotating shaft is fixed on the positioning by flat key with the keyway 10 on rotor punching, while
Keyway 10 also acts as positioning action when rotor punching is laminated.
In the present embodiment, the side wall of mounting hole 7 also has a reason film trap 1, reason film trap 1 with keyway 10 relative to punching sheet
It is not 180 ° that the center of body 2 institute is angled.The angled relative to the center of punching body 2 institute with keyway 10 of reason film trap 1 is not 180 °,
So set, rotor is ensure that when laminating by managing film trap 1, rotor punching burr direction is consistent, can effectively improve and laminate
Coefficient.
The present embodiment permagnetic synchronous motor p-m rotor punching can improve rotor by setting reinforcement 9 and run at high speed
Under mechanical strength, by setting interpolar every magnetic bridge 3, interpolar can be effectively reduced in the case where main magnetic circuit is not influenceed
Leakage field, reduces the demagnetization risk of magnet steel sharp corner, and two of magnet steel mounting groove 4 extremely interior can to effectively reduce because of reinforcement every magnetic bridge
9 itself leakage field and magnet steel between of magnet steel end for causing, make extremely interior leakage field decrease.By interpolar every magnetic bridge 3 and two
The individual extremely interior reasonable design every magnetic bridge, makes the magnetic field-enhanced of main magnetic circuit, reduces the leakage field of rotor magnetic circuit, improves magnet steel and utilizes
Rate, increases the power density of motor.
Embodiment 2
Present embodiment discloses a kind of permagnetic synchronous motor, including rotor, rotor is overrided to form by multiple rotor punchings, this
The permagnetic synchronous motor that the rotor punching of embodiment is described in embodiment 1 p-m rotor punching.
The permagnetic synchronous motor of the present embodiment can improve mechanical strength under rotor runs at high speed by setting reinforcement,
By setting interpolar every magnetic bridge, the leakage field of interpolar in the case where main magnetic circuit is not influenceed, can be effectively reduced, reduce magnet steel point
Demagnetization risk at angle, two of magnet steel mounting groove it is extremely interior every magnetic bridge can effectively reduce magnet steel end caused by reinforcement from
Leakage field between body and magnet steel, makes extremely interior leakage field decrease.It is extremely interior every the reasonable of magnetic bridge every magnetic bridge and two by interpolar
Design, makes the magnetic field-enhanced of main magnetic circuit, reduces the leakage field of rotor magnetic circuit, improves magnet steel utilization rate, and the power for increasing motor is close
Degree.
The preferred embodiments of the present invention are the foregoing is only, not thereby scope of patent protection of the invention is limited, it is all
It is the equivalent structure transformation made with description of the invention and accompanying drawing content, is directly or indirectly used in other related technologies
Field, similarly includes within the scope of the present invention.
Claims (8)
1. a kind of permagnetic synchronous motor p-m rotor punching, it is characterised in that including punching body (2), punching body (2) around
Its axis direction is evenly arranged with n to V-arrangement magnet steel groove, and wherein n is the number of poles of rotor, and n is the integer more than or equal to 2；Each pair V
Shape magnet steel groove is included between two symmetrically arranged magnet steel mounting grooves (4), and the adjoining both sides of two magnet steel mounting grooves (4)
With reinforcement (9), magnet steel mounting groove (4) has interpolar every magnetic bridge (3), magnet steel mounting groove (4) away from the side of reinforcement (9)
The two ends of the side of neighbouring reinforcement (9) be respectively provided with it is extremely interior every magnetic bridge, respectively first it is extremely interior every magnetic bridge (5) and second it is extremely interior every
Magnetic bridge (6).
2. permagnetic synchronous motor as claimed in claim 1 p-m rotor punching, it is characterised in that two of V-arrangement magnet steel groove
It is 125 °~140 ° that magnet steel mounting groove (4) institute is angled.
3. permagnetic synchronous motor as claimed in claim 2 p-m rotor punching, it is characterised in that the punching body (2)
Including 8 pairs of V-arrangement magnet steel grooves.
4. permagnetic synchronous motor as claimed in claim 1 p-m rotor punching, it is characterised in that the reinforcement (9)
Width is 1~3mm.
5. permagnetic synchronous motor as claimed in claim 1 p-m rotor punching, it is characterised in that the V-arrangement magnet steel slot pitch
Minimum range from punching body (2) periphery is 1~3mm.
6. permagnetic synchronous motor as claimed in claim 1 p-m rotor punching, it is characterised in that the punching body (2)
Mounting hole (7) including being arranged on middle, the side wall of mounting hole (7) has a keyway (10), the keyway (10) for turn
Axle positioning is fixed.
7. permagnetic synchronous motor as claimed in claim 6 p-m rotor punching, it is characterised in that the mounting hole (7)
Side wall also has reason film trap (1), described to manage the angled not relative to punching body (2) center institute with keyway (10) of film trap (1)
It is 180 °.
8. a kind of permagnetic synchronous motor, it is characterised in that including the permanent magnet synchronous electric as described in claim 1~7 any one
Machine p-m rotor punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611232592.5A CN106787318A (en) | 2016-12-28 | 2016-12-28 | Permagnetic synchronous motor p-m rotor punching and permagnetic synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611232592.5A CN106787318A (en) | 2016-12-28 | 2016-12-28 | Permagnetic synchronous motor p-m rotor punching and permagnetic synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106787318A true CN106787318A (en) | 2017-05-31 |
Family
ID=58922634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611232592.5A Pending CN106787318A (en) | 2016-12-28 | 2016-12-28 | Permagnetic synchronous motor p-m rotor punching and permagnetic synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787318A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171470A (en) * | 2017-07-12 | 2017-09-15 | 无锡泓阳电动科技有限公司 | A kind of rotor sheet of permanent magnet motor structure |
| CN107359754A (en) * | 2017-08-31 | 2017-11-17 | 重庆赛力盟电机有限责任公司 | A kind of mounting means of magnet steel |
| CN107919755A (en) * | 2017-12-18 | 2018-04-17 | 湖南湘电动力有限公司 | A kind of permanent-magnetic synchronous motor rotor field structure and motor |
| CN108711969A (en) * | 2018-07-13 | 2018-10-26 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
| CN110829658A (en) * | 2019-12-17 | 2020-02-21 | 湘潭电机股份有限公司 | Rotor of self-starting permanent magnet synchronous motor |
| CN113726046A (en) * | 2021-08-18 | 2021-11-30 | 珠海格力电器股份有限公司 | Rotor punching, rotor, motor and new forms of energy trolley-bus |
| CN114094740A (en) * | 2020-07-31 | 2022-02-25 | 安徽威灵汽车部件有限公司 | Rotor punching sheet, rotor, motor and vehicle |
| CN114362397A (en) * | 2022-02-21 | 2022-04-15 | 小米汽车科技有限公司 | Punching sheet structure, rotor assembly and motor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010178535A (en) * | 2009-01-30 | 2010-08-12 | Toshiba Industrial Products Manufacturing Corp | Rotor of permanent magnet type rotary electric machine and the rotary electric machine |
| CN203827090U (en) * | 2014-04-30 | 2014-09-10 | 广东省东莞电机有限公司 | Rotor punching piece for permanent magnet motor |
| CN204967578U (en) * | 2015-09-23 | 2016-01-13 | 渤海大学 | Reduce PMSM torque ripple's rotor structure |
| CN105379070A (en) * | 2014-06-06 | 2016-03-02 | 株式会社小松制作所 | Electric machine |
| CN205070733U (en) * | 2015-09-14 | 2016-03-02 | 常州市普世汽车电动系统有限公司 | Small -size PMSM |
| CN205693465U (en) * | 2016-06-16 | 2016-11-16 | 中国第一汽车股份有限公司 | A kind of permanent magnet machine rotor of high reluctance torque |
| CN106253618A (en) * | 2015-06-09 | 2016-12-21 | 福特全球技术公司 | Surface groove pattern for permanent magnet machine rotor |
| CN206389195U (en) * | 2016-12-28 | 2017-08-08 | 卧龙电气集团股份有限公司 | Permagnetic synchronous motor p-m rotor punching and permagnetic synchronous motor |
-
2016
- 2016-12-28 CN CN201611232592.5A patent/CN106787318A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010178535A (en) * | 2009-01-30 | 2010-08-12 | Toshiba Industrial Products Manufacturing Corp | Rotor of permanent magnet type rotary electric machine and the rotary electric machine |
| CN203827090U (en) * | 2014-04-30 | 2014-09-10 | 广东省东莞电机有限公司 | Rotor punching piece for permanent magnet motor |
| CN105379070A (en) * | 2014-06-06 | 2016-03-02 | 株式会社小松制作所 | Electric machine |
| CN106253618A (en) * | 2015-06-09 | 2016-12-21 | 福特全球技术公司 | Surface groove pattern for permanent magnet machine rotor |
| CN205070733U (en) * | 2015-09-14 | 2016-03-02 | 常州市普世汽车电动系统有限公司 | Small -size PMSM |
| CN204967578U (en) * | 2015-09-23 | 2016-01-13 | 渤海大学 | Reduce PMSM torque ripple's rotor structure |
| CN205693465U (en) * | 2016-06-16 | 2016-11-16 | 中国第一汽车股份有限公司 | A kind of permanent magnet machine rotor of high reluctance torque |
| CN206389195U (en) * | 2016-12-28 | 2017-08-08 | 卧龙电气集团股份有限公司 | Permagnetic synchronous motor p-m rotor punching and permagnetic synchronous motor |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171470A (en) * | 2017-07-12 | 2017-09-15 | 无锡泓阳电动科技有限公司 | A kind of rotor sheet of permanent magnet motor structure |
| CN107359754A (en) * | 2017-08-31 | 2017-11-17 | 重庆赛力盟电机有限责任公司 | A kind of mounting means of magnet steel |
| CN107919755A (en) * | 2017-12-18 | 2018-04-17 | 湖南湘电动力有限公司 | A kind of permanent-magnetic synchronous motor rotor field structure and motor |
| CN108711969A (en) * | 2018-07-13 | 2018-10-26 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
| CN110829658A (en) * | 2019-12-17 | 2020-02-21 | 湘潭电机股份有限公司 | Rotor of self-starting permanent magnet synchronous motor |
| CN114094740A (en) * | 2020-07-31 | 2022-02-25 | 安徽威灵汽车部件有限公司 | Rotor punching sheet, rotor, motor and vehicle |
| CN114094740B (en) * | 2020-07-31 | 2023-03-14 | 安徽威灵汽车部件有限公司 | Rotor punching sheet, rotor, motor and vehicle |
| CN113726046A (en) * | 2021-08-18 | 2021-11-30 | 珠海格力电器股份有限公司 | Rotor punching, rotor, motor and new forms of energy trolley-bus |
| CN114362397A (en) * | 2022-02-21 | 2022-04-15 | 小米汽车科技有限公司 | Punching sheet structure, rotor assembly and motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20170531 |