CN109245366A - A kind of motor rotor punching sheet and the permanent magnet synchronous motor using the punching - Google Patents
A kind of motor rotor punching sheet and the permanent magnet synchronous motor using the punching Download PDFInfo
- Publication number
- CN109245366A CN109245366A CN201811378885.3A CN201811378885A CN109245366A CN 109245366 A CN109245366 A CN 109245366A CN 201811378885 A CN201811378885 A CN 201811378885A CN 109245366 A CN109245366 A CN 109245366A
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- magnetic
- magnetic line
- pilot hole
- force
- slot
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- 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
-
- 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
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of motor rotor punching sheet and using the permanent magnet synchronous motor of the punching, the motor rotor punching sheet mounting magnetic steel forms bis- " one " type structures, to make full use of magnet steel to generate magnetic flux, the width and thickness of top magnetic slot is respectively less than the width and thickness of lower part magnetic slot；The present invention passes through the magnetic line of force pilot hole of specific structure, specific position, special size, forms suitable magnetic circuit, can be improved wide speed regulating range, generate the stable magnetic line of force, and motor stamping intensity is met the requirements when high-speed cruising；The demagnetization of magnet steel and leakage field are lower, and the utilization rate of magnet steel is higher, and the power density of motor is high.
Description
Technical field
The present invention relates to technical field of motors, and in particular to a kind of motor rotor punching sheet and the permanent-magnet synchronous using the punching
Motor is applied to new-energy automobile and uses modern permanent magnet synchronous motor as power-actuated technical field.
Background technique
In driving motor for electric automobile technical field, high power density, high torque (HT) and high speed have become a kind of trend.
The structure of motor rotor punching sheet directly affects electric efficiency, motor performance etc..The motor rotor punching sheet of prior art production at present,
It is unable to satisfy the requirement of wide speed regulating range.The generation magnetic line of force is unstable, and in high speed operation of motor, rotor punching intensity cannot expire
Sufficient requirement of mechanical strength.In the design of prior art multilayer magnet steel, the demagnetization of magnet steel and leakage field are higher, make the utilization rate of magnet steel
Lower, the power density of motor reduces.
Summary of the invention
In order to overcome the above-mentioned problems of the prior art, the purpose of the present invention is to provide a kind of motor rotor punching sheet and
Using the permanent magnet synchronous motor of the punching, the present invention can be improved wide speed regulating range, generate the stable magnetic line of force, and high-speed cruising
When motor stamping intensity meet the requirements, the demagnetization of magnet steel and leakage field are lower, and the utilization rate of magnet steel is higher, the power density of motor
It is high.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of motor rotor punching sheet, the shaft bore portion III including center are evenly arranged on the more of III outlet of shaft bore portion
It is a to remove repeated hole II, it is evenly arranged on multiple magnet steel mechanism sections I of II outlet of repeated hole；
Each magnet steel mechanism section I includes the first magnetic line of force pilot hole 1, the second magnetic line of force pilot hole 2, third magnetic force
Line pilot hole 3, the 4th magnetic line of force pilot hole 4, top magnetic slot 5 and lower part magnetic slot 6；Wherein, top magnetic slot 5 is located at magnetic
The middle and upper part of steel mechanism section I, the 4th magnetic line of force pilot hole 4 are located at inclined two side position in top of top magnetic slot 5, third magnetic force
Line pilot hole 3 is located at the lower part of the second magnetic line of force pilot hole 2, and the both ends of top magnetic slot 5 are provided with the third magnetic line of force and lead
To hole 3 and the second magnetic line of force pilot hole 2, the external setting of the third magnetic line of force pilot hole 3 and the second magnetic line of force pilot hole 2 at both ends
There is the first magnetic line of force pilot hole 1, lower part magnetic slot 6 is located at two the first magnetic line of force pilot holes, 1 lower part, two the first magnetic force
Line pilot hole 1 and lower part magnetic slot 6 form one layer, surround the second magnetic line of force pilot hole 2, third magnetic line of force pilot hole 3,
4th magnetic line of force pilot hole 4 and top magnetic slot 5, and two the first magnetic line of force pilot holes 1 and a lower part magnetic slot 6 are one layer
Or multilayer；The position that top magnet steel 10 is placed in top magnetic slot 5 is in rectangle, places the first magnet steel of lower part 9 in lower part magnetic slot 6
Position with the second magnet steel of lower part 11 is in rectangle, and the first magnet steel of lower part 9 and the second magnet steel of lower part 11 are placed in lower part magnetic slot 6
Between part increase reinforcing rib 7；Magnetic bridge 8 is formed between adjacent magnet steel mechanism section I.
The side for increasing reinforcing rib 7 in 6 rectangle of lower part magnetic slot is longitudinal edge, and the rectangular edges vertical with longitudinal edge are non-
Longitudinal edge；
First magnetic line of force pilot hole 1 is quadrilateral hole, outside the side and motor rotor punching sheet on the outside of the first magnetic line of force pilot hole 1
Border is parallel, and requirement of mechanical strength is met at a distance from outlet, with outside while opposite with lower part magnetic slot 6 apart from most
Close side is parallel, and the distance on both sides meets requirement of mechanical strength；Trend of the opening angle of remaining two opposite side according to the magnetic line of force
Adjustment, is integrally presented the trend being gradually increased from outlet to center of circle direction width；
Second magnetic line of force pilot hole 2 is quadrilateral hole, and the second magnetic line of force pilot hole 2 is close to the side of motor rotor punching sheet outer circle
It is parallel with motor rotor punching sheet outlet, requirement of mechanical strength is met at a distance from outlet, is leaned on the second magnetic line of force pilot hole 2
Nearly motor rotor punching sheet outlet it is parallel with the non-radial side of lower part magnetic slot 6 while opposite, and be adjusted by two
The fillet of size is connect with the remaining both sides of the second magnetic line of force pilot hole 2；Two articles of sides of residue of second magnetic line of force pilot hole 2 and the
One magnetic line of force pilot hole 1 is parallel apart from nearest side；
Third magnetic line of force pilot hole 3 is between top magnetic slot 5 and lower part magnetic slot 6 close to 5 two sides of top magnetic slot
Position, at " L " type, shape is adjusted in the case where meeting mechanical condition and requiring according to the trend of the magnetic line of force basic configuration；The
Three magnetic line of force pilot holes 3 are parallel with the longitudinal edge of lower part magnetic slot 6 close to the side in 9 middle position of the first magnet steel of lower part, and close
9 middle position of the first magnet steel of lower part while be connected two while it is parallel with the non-radial side of magnetic slot 6, and connection two camber lines,
Third magnetic line of force pilot hole 3 close to motor rotor punching sheet outlet while with second magnetic line of force pilot hole 2 apart from it is nearest while put down
Row, distance meet requirement of mechanical strength；
4th magnetic line of force pilot hole, 4 basic configuration adds fillet, the 4th magnetic line of force pilot hole in apex at tri-angle-holed
4 close to the side of motor rotor punching sheet outer circle, parallel and spacing meets mechanical strength, the 4th magnetic line of force pilot hole 4 with punching outlet
Meet requirement of mechanical strength with the spacing of top magnetic slot 5；
The width and thickness of rectangle is respectively less than the width and thickness of the rectangle in lower part magnetic slot 6 in the rigid slot 5 of top magnetic；On
Two rim portions have remaining hole after 10 position of top magnet steel is placed in removing in the rigid slot 5 of portion's magnetic, can effectively reduce leakage field, and reduce
The demagnetization risk of magnet steel sharp corner, furthermore for fixing the position of top magnet steel 10 in terms of mechanical structure.In lower part magnetic slot 6
Removing place the first magnet steel of lower part 9 and 11 position of the second magnet steel of lower part after two rim portions have remaining hole, the shape of remaining hole, root
It is adjusted accordingly according to the trend and rotor punching intensity of the magnetic line of force.
It is described to go repeated hole II concentric close to two circular arcs and motor rotor punching sheet outer circle in rotor punching outer diameter and the center of circle,
The longitudinal edge for going repeated hole II to be formed of cloth is parallel to each other, and spacing meets requirement of mechanical strength.
Two opposite keyways 12 of position are equipped in the shaft bore portion III, each keyway is rectangular or trapezoidal, often
The two neighboring position gone between repeated hole II of a keyway position face；The keyway 12 is used to position with shaft, while in rotor
Keyway 12 also acts as the effect of positioning when punching laminates.
The quantity for removing repeated hole II is 12.
The width of the reinforcing rib 7 is 0.6-1.2mm.
A kind of permanent magnet synchronous motor, including the motor rotor punching sheet.
Compared with prior art, the invention has the benefit that
Since the design of special shape and the magnetic line of force pilot hole and multilayer magnet steel of layout enables the invention to improve wide tune
Fast range generates the stable magnetic line of force, and motor stamping intensity is met the requirements when high-speed cruising.Due to the special designing of magnetic slot
The demagnetization of the magnet steel made and leakage field are lower, and the utilization rate of magnet steel is higher, and the power density of motor is high.
Detailed description of the invention
Fig. 1 is a kind of motor rotor stamping sheet structure schematic diagram of the invention.
Fig. 2 is the partial enlarged view of magnet steel mechanism section I in motor rotor stamping sheet structure of the invention.
Fig. 3 is a kind of motor rotor stamping sheet structure schematic diagram for assembling magnet steel.
Fig. 4 is the partial enlarged view of shaft bore portion III.
Fig. 5 is another motor rotor stamping sheet structure schematic diagram of the invention.
Fig. 6 is the partial enlarged view of the magnet steel mechanism section I in another motor rotor stamping sheet structure of the invention.
Specific embodiment
The present invention is specifically described below with reference to the drawings and specific embodiments.
In this description, predicate " first ", " second " are used for description purposes only, and cannot be construed as to imply that or be indicated and is opposite
The quantity of importance or technical characteristic shown in implicitly indicating.The center of circle is the center of circle of rotor punching circumference, close to rotor
Punching circumferential section is outside, is inside close to rotor punching center of circle part, is top close to rotor punching circumferential section, close
Rotor punching center of circle part is lower part.
Embodiment one as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, the motor rotor punching sheet in the present embodiment includes the shaft at center
Bore portion III is evenly arranged on the multiple of III outlet of shaft bore portion and removes repeated hole II, is evenly arranged on multiple magnetic of II outlet of repeated hole
Steel mechanism section I.
It is preferred that this example is that 12 magnet steel mechanism sections I are circumferentially uniformly distributed.
Each magnet steel mechanism section I is led including the first magnetic line of force pilot hole 1, the second magnetic line of force pilot hole 2, the third magnetic line of force
To hole 3, the 4th magnetic line of force pilot hole 4, top magnetic slot 5 and lower part magnetic slot 6；Wherein, top magnetic slot 5 is located at magnet steel mechanism
The middle and upper part of part I, the 4th magnetic line of force pilot hole 4 are located at inclined two side position in top of top magnetic slot 5, third magnetic line of force guiding
Hole 3 is located at the lower part of the second magnetic line of force pilot hole 2, and the both ends of top magnetic slot 5 are provided with 3 He of third magnetic line of force pilot hole
Second magnetic line of force pilot hole 2, the third magnetic line of force pilot hole 3 at both ends and the outside of the second magnetic line of force pilot hole 2 are provided with first
Magnetic line of force pilot hole 1, lower part magnetic slot 6 are located at two the first magnetic line of force pilot holes, 1 lower part, two the first magnetic force of the present embodiment
Line pilot hole 1 and a lower part magnetic slot 6 are one layer.
The position that top magnet steel 10 is placed in top magnetic slot 5 is in rectangle, places the first magnetic of lower part in lower part magnetic slot 6
The position of steel 9 and the second magnet steel of lower part 11 is in rectangle, and the first magnet steel of lower part 9 and the second magnetic of lower part are placed in lower part magnetic slot 6
Part between steel 11 increases reinforcing rib 7, and the side for increasing reinforcing rib 7 in 6 rectangle of lower part magnetic slot is longitudinal edge, with longitudinal edge
Vertical rectangular edges are non-radial side.
First magnetic line of force pilot hole 1 is quadrilateral hole, outside the side and motor rotor punching sheet on the outside of the first magnetic line of force pilot hole 1
Border is parallel, and requirement of mechanical strength is met at a distance from outlet, with outside while opposite with lower part magnetic slot 6 apart from most
Close side is parallel, and the distance on both sides meets requirement of mechanical strength；Trend of the opening angle of remaining two opposite side according to the magnetic line of force
Adjustment, is integrally presented the trend being gradually increased from outlet to center of circle direction width.Adjacent the first magnetic line of force pilot hole 1 formation
Magnetic bridge 8 two opposite side it is parallel.
Second magnetic line of force pilot hole 2, third magnetic line of force pilot hole 3 can turn in the case where not influencing magnetic circuit according to motor
Sub- punching size carries out rational deployment.
Second magnetic line of force pilot hole 2 is quadrilateral hole, and the second magnetic line of force pilot hole 2 is close to the side of motor rotor punching sheet outer circle
It is parallel with motor rotor punching sheet outlet, requirement of mechanical strength is met at a distance from outlet, is leaned on the second magnetic line of force pilot hole 2
Nearly motor rotor punching sheet outlet it is parallel with the non-radial side of lower part magnetic slot 6 while opposite, and be adjusted by two
The fillet of size is connect with the remaining both sides of the second magnetic line of force pilot hole 2；Two articles of sides of residue of second magnetic line of force pilot hole 2 and the
One magnetic line of force pilot hole 1 is parallel apart from nearest side.
Third magnetic line of force pilot hole 3 is between top magnetic slot 5 and lower part magnetic slot 6 close to 5 two sides of top magnetic slot
Position, at " L " type, shape is adjusted in the case where meeting mechanical condition and requiring according to the trend of the magnetic line of force basic configuration；The
Three magnetic line of force pilot holes 3 are parallel with the longitudinal edge of lower part magnetic slot 6 close to the side in 9 middle position of the first magnet steel of lower part, and close
9 middle position of the first magnet steel of lower part while be connected two while it is parallel with the non-radial side of magnetic slot 6, and connection two camber lines,
Third magnetic line of force pilot hole 3 close to motor rotor punching sheet outlet while with second magnetic line of force pilot hole 2 apart from it is nearest while put down
Row, distance meet requirement of mechanical strength.
4th magnetic line of force pilot hole 4 is located at inclined two side position in top of top magnetic slot 5, basic configuration at tri-angle-holed,
And add fillet in apex, the 4th magnetic line of force pilot hole 4 it is parallel with punching outlet close to the side of motor rotor punching sheet outer circle and
Spacing meets requirement of mechanical strength, and the spacing of the 4th magnetic line of force pilot hole 4 and top magnetic slot 5 meets requirement of mechanical strength.
Top magnet steel 10 and the first magnet steel of lower part 9, the second magnet steel of lower part are placed in the rigid slot 5 of top magnetic and lower part magnetic slot 6
11 partial shape is in rectangle, and the width and thickness of rectangle is respectively less than the rectangle in lower part magnetic slot 6 in the rigid slot 5 of top magnetic
Width and thickness；Two rim portions have remaining hole after 10 position of top magnet steel is placed in removing in the rigid slot 5 of top magnetic, can effectively subtract
Few leakage field, and the demagnetization risk of magnet steel sharp corner is reduced, furthermore for fixing the position of top magnet steel 10 in terms of mechanical structure.
Two rim portions have remaining hole after the first magnet steel of lower part 9 and 11 position of the second magnet steel of lower part are placed in removing in lower part magnetic slot 6,
The shape of remaining hole can be adjusted accordingly according to the trend and rotor punching intensity of the magnetic line of force.
Lower part magnetic slot 6 is placed compared with top magnetic slot 5 to be increased between the first magnet steel of lower part 9 and the second magnet steel of lower part 11
Reinforcing rib 7, furthermore overall dimensions are larger compared with top magnetic slot 5.
As shown in Figure 3: top magnet steel 10 and the first magnet steel of lower part 9, the second magnet steel of lower part 11 are in rectangle, and place respectively
In top magnetic slot 5 and lower part magnetic slot 6.Reinforcing rib 7 is equipped in lower part magnetic slot 6, the width of reinforcing rib 7 is 0.6-
1.2mm.Mechanical strength of the rotor punching under high-speed cruising can be improved on the basis of guaranteeing electromagnetic property.
Rotor punching include it is multiple remove repeated hole II, and multiple repeated hole II is gone to be distributed uniformly and circumferentially.Repeated hole II is gone to lean on
Closely rotor punching outer diameter and two circular arcs and motor rotor punching sheet outer circle in the center of circle is concentric, the uniformly distributed radial direction for going repeated hole II to be formed
While being parallel to each other, and spacing meets requirement of mechanical strength.Go the shape of repeated hole II can be according to mechanical strength, processing technology.And magnetic
The trend of the line of force adjusts accordingly.
Being 12 as this preferred example goes repeated hole II to be circumferentially uniformly distributed.
Multiple magnet steel mechanism sections I are circumferentially uniformly distributed between part and are formed every magnetic in rotor punching in the present embodiment
Bridge 8.The width of magnetic bridge 8 can do corresponding adjustment in the case where meeting performance requirement, and magnetic bridge 8 is not the case where influencing main magnetic circuit
Under, the leakage field of interpolar can be effectively reduced.
Two opposite keyways 12 of position are equipped in shaft bore portion III, each keyway is rectangular or trapezoidal, Mei Gejian
The two neighboring position gone between repeated hole II of groove location face.The keyway 12 is used to position with shaft, while in rotor punching
Keyway 12 also acts as the effect of positioning when laminating.
Embodiment two
As shown in Figure 5 and Figure 6, the motor rotor punching sheet of the present embodiment, two the first magnetic line of force pilot holes 1 and a lower part
Magnetic slot 6 is two layers, remaining structure is the same as embodiment one.
Motor provided by the invention is permanent magnet synchronous motor, and including the motor rotor punching sheet, other parts are using existing
There is technical specification.
It should be understood that being only to illustrate technical solution of the present invention in this example, rather than its limitations.Although aforementioned right
Exemplary technical solution is modified, but those skilled in the art should understand that: it can still remember the present invention
The technical solution of load is modified, or is replaced to some or all of the technical features；And these are modified or replace
It changes, the range for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of motor rotor punching sheet, it is characterised in that: the shaft bore portion (III) including center is evenly arranged on shaft bore portion
(III) the multiple of outlet go repeated hole (II), are evenly arranged on multiple magnet steel mechanism sections (I) of II outlet of repeated hole；
Each magnet steel mechanism section (I) includes the first magnetic line of force pilot hole (1), the second magnetic line of force pilot hole (2), third magnetic
Line of force pilot hole (3), the 4th magnetic line of force pilot hole (4), top magnetic slot (5) and lower part magnetic slot (6)；Wherein, top magnet steel
Slot (5) is located at the middle and upper part of magnet steel mechanism section (I), and the top that the 4th magnetic line of force pilot hole (4) is located at top magnetic slot (5) is inclined
Two side positions, third magnetic line of force pilot hole (3) are located at the lower part of the second magnetic line of force pilot hole (2), and the two of top magnetic slot (5)
End is provided with third magnetic line of force pilot hole (3) and the second magnetic line of force pilot hole (2), the third magnetic line of force pilot hole (3) at both ends
The outside of second magnetic line of force pilot hole (2) is provided with the first magnetic line of force pilot hole (1), lower part magnetic slot (6) is located at two the
Lower part between one magnetic line of force pilot hole (1), two the first magnetic line of force pilot holes (1) and a lower part magnetic slot (6) form one layer, packet
The second magnetic line of force pilot hole (2), third magnetic line of force pilot hole (3), the 4th magnetic line of force pilot hole (4) and top magnetic slot (5) are enclosed,
And two the first magnetic line of force pilot holes (1) and a lower part magnetic slot (6) are one or more layers；It is placed in top magnetic slot (5)
The position of top magnet steel (10) is in rectangle, places the first magnet steel of lower part (9) and the second magnet steel of lower part (11) in lower part magnetic slot (6)
Position be in rectangle, and the part between the first magnet steel of lower part (9) and the second magnet steel of lower part (11) is placed in lower part magnetic slot (6)
Increase reinforcing rib (7)；Magnetic bridge (8) are formed between adjacent magnet steel mechanism section (I).
2. a kind of motor rotor punching sheet according to claim 1, it is characterised in that: in lower part magnetic slot (6) rectangle
The side for increasing reinforcing rib (7) is longitudinal edge, and the rectangular edges vertical with longitudinal edge are non-radial side；
First magnetic line of force pilot hole (1) is quadrilateral hole, outside the side and motor rotor punching sheet on the outside of the first magnetic line of force pilot hole (1)
Border is parallel, and requirement of mechanical strength is met at a distance from outlet, with outside while opposite with lower part magnetic slot (6) distance
Nearest side is parallel, and the distance on both sides meets requirement of mechanical strength；The opening angle of remaining two opposite side is walked according to the magnetic line of force
To adjustment, the trend being gradually increased from outlet to center of circle direction width is integrally presented；
Second magnetic line of force pilot hole (2) is quadrilateral hole, and the second magnetic line of force pilot hole (2) is close to the side of motor rotor punching sheet outer circle
It is parallel with motor rotor punching sheet outlet, requirement of mechanical strength is met at a distance from outlet, with the second magnetic line of force pilot hole (2)
It is with the non-radial side of lower part magnetic slot (6) parallel while opposite close to motor rotor punching sheet outlet, and passing through two can
The fillet of adjusting size is connect with the remaining both sides of the second magnetic line of force pilot hole (2)；The residue two of second magnetic line of force pilot hole (2)
While with the first magnetic line of force pilot hole (1) apart from it is nearest while it is parallel；
Third magnetic line of force pilot hole (3) is located between top magnetic slot (5) and lower part magnetic slot (6) close to top magnetic slot (5)
The position of two sides, basic configuration are adjusted in the case where meeting mechanical condition and requiring according to the trend of the magnetic line of force at " L " type, shape
It is whole；Third magnetic line of force pilot hole (3) is close to the side in the first magnet steel of lower part (9) middle position and the longitudinal edge of lower part magnetic slot (6)
It is parallel with the non-radial side of magnetic slot (6) when in parallel, with close to the first magnet steel of lower part (9) middle position at connected two,
And two camber lines are connected, third magnetic line of force pilot hole (3) is oriented to close to the side of motor rotor punching sheet outlet and second magnetic line of force
Hole (2) is parallel apart from nearest side, and distance meets requirement of mechanical strength；
4th magnetic line of force pilot hole (4) basic configuration adds fillet, the 4th magnetic line of force pilot hole in apex at tri-angle-holed
(4) and spacing parallel with punching outlet close to the side of motor rotor punching sheet outer circle meets mechanical strength, the 4th magnetic line of force guiding
The spacing of hole (4) and top magnetic slot (5) meets requirement of mechanical strength；
The width and thickness of rectangle is respectively less than the width and thickness of the rectangle in lower part magnetic slot (6) in the rigid slot of top magnetic (5)；On
Two rim portions have remaining hole after top magnet steel (10) position is placed in removing in the rigid slot of portion's magnetic (5), can effectively reduce leakage field, and
The demagnetization risk of magnet steel sharp corner is reduced, furthermore for fixing the position of top magnet steel (10) in terms of mechanical structure；Lower part magnetic
Two rim portions have remaining hole after the first magnet steel of lower part (9) and lower part the second magnet steel (11) position is placed in removing in steel tank (6), remain
The shape in remaining hole is adjusted accordingly according to the trend of the magnetic line of force and rotor punching intensity.
3. a kind of motor rotor punching sheet according to claim 1, it is characterised in that: described that repeated hole (II) is gone to rush close to rotor
Piece outer diameter and two circular arcs and motor rotor punching sheet outer circle in the center of circle are concentric, and the uniformly distributed longitudinal edge for going repeated hole (II) to be formed is mutual
In parallel, and spacing meets requirement of mechanical strength.
4. a kind of motor rotor punching sheet according to claim 1, it is characterised in that: be equipped with position in the shaft bore portion III
Two opposite keyways (12) are set, each keyway is rectangular or trapezoidal, and each keyway position face is two neighboring to remove repeated hole
(II) position between；The keyway (12) is used to position with shaft, while keyway (12) also acts as when rotor punching laminates
The effect of positioning.
5. a kind of motor rotor punching sheet according to claim 1, it is characterised in that: the quantity for removing repeated hole (II) is ten
Two.
6. a kind of motor rotor punching sheet according to claim 1, it is characterised in that: the width of the reinforcing rib (7) is
0.6-1.2mm。
7. a kind of permanent magnet synchronous motor, it is characterised in that: including motor rotor punching sheet described in any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378885.3A CN109245366B (en) | 2018-11-19 | 2018-11-19 | Motor rotor punching sheet and permanent magnet synchronous motor adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378885.3A CN109245366B (en) | 2018-11-19 | 2018-11-19 | Motor rotor punching sheet and permanent magnet synchronous motor adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109245366A true CN109245366A (en) | 2019-01-18 |
| CN109245366B CN109245366B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082359A1 (en) * | 2019-10-29 | 2021-05-06 | 宁波菲仕运动控制技术有限公司 | High-speed rotor punching sheet and rotor structure |
| CN113949183A (en) * | 2021-10-15 | 2022-01-18 | 浙江中车尚驰电气有限公司 | Rotor punching sheet, rotor and motor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003274590A (en) * | 2002-03-15 | 2003-09-26 | Nippon Steel Corp | Rotor of permanent-magnet synchronous motor |
| JP2012023856A (en) * | 2010-07-14 | 2012-02-02 | Toyota Industries Corp | Embedded permanent magnet type rotor and rotary electric machine |
| CN106026466A (en) * | 2016-07-15 | 2016-10-12 | 青岛海立美达电机有限公司 | Motor blank |
| CN205882898U (en) * | 2016-08-18 | 2017-01-11 | 南京高传电机制造有限公司 | Permanent magnet speed regulation car driving motor |
| CN106357029A (en) * | 2016-10-18 | 2017-01-25 | 珠海凌达压缩机有限公司 | Method for sinusoidal magnetic field of motor rotor, rotor structure, motor and compressor |
| CN207150279U (en) * | 2017-08-18 | 2018-03-27 | 大连电机集团有限公司 | A kind of motor rotor stamping sheet structure |
| CN107947412A (en) * | 2017-12-25 | 2018-04-20 | 上海联孚新能源科技集团有限公司 | A kind of high intensity permanent-magnetic synchronous motor rotor |
| CN108462272A (en) * | 2018-03-16 | 2018-08-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor structure and motor with it |
| CN208955770U (en) * | 2018-11-19 | 2019-06-07 | 西安清泰科新能源技术有限责任公司 | A kind of motor rotor stamping sheet structure and the permanent magnet synchronous motor using the punching |
-
2018
- 2018-11-19 CN CN201811378885.3A patent/CN109245366B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003274590A (en) * | 2002-03-15 | 2003-09-26 | Nippon Steel Corp | Rotor of permanent-magnet synchronous motor |
| JP2012023856A (en) * | 2010-07-14 | 2012-02-02 | Toyota Industries Corp | Embedded permanent magnet type rotor and rotary electric machine |
| CN106026466A (en) * | 2016-07-15 | 2016-10-12 | 青岛海立美达电机有限公司 | Motor blank |
| CN205882898U (en) * | 2016-08-18 | 2017-01-11 | 南京高传电机制造有限公司 | Permanent magnet speed regulation car driving motor |
| CN106357029A (en) * | 2016-10-18 | 2017-01-25 | 珠海凌达压缩机有限公司 | Method for sinusoidal magnetic field of motor rotor, rotor structure, motor and compressor |
| CN207150279U (en) * | 2017-08-18 | 2018-03-27 | 大连电机集团有限公司 | A kind of motor rotor stamping sheet structure |
| CN107947412A (en) * | 2017-12-25 | 2018-04-20 | 上海联孚新能源科技集团有限公司 | A kind of high intensity permanent-magnetic synchronous motor rotor |
| CN108462272A (en) * | 2018-03-16 | 2018-08-28 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor structure and motor with it |
| CN208955770U (en) * | 2018-11-19 | 2019-06-07 | 西安清泰科新能源技术有限责任公司 | A kind of motor rotor stamping sheet structure and the permanent magnet synchronous motor using the punching |
Non-Patent Citations (1)
| Title |
|---|
| 徐锋;: "新型永磁电机转子磁路结构设计与分析", 科学家, no. 16 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082359A1 (en) * | 2019-10-29 | 2021-05-06 | 宁波菲仕运动控制技术有限公司 | High-speed rotor punching sheet and rotor structure |
| CN113949183A (en) * | 2021-10-15 | 2022-01-18 | 浙江中车尚驰电气有限公司 | Rotor punching sheet, rotor and motor |
| CN113949183B (en) * | 2021-10-15 | 2023-12-29 | 浙江中车尚驰电气有限公司 | Rotor punching sheet, rotor and motor |
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