CN106816976A - Rotor punching, rotor and permagnetic synchronous motor - Google Patents
Rotor punching, rotor and permagnetic synchronous motor Download PDFInfo
- Publication number
- CN106816976A CN106816976A CN201710209034.5A CN201710209034A CN106816976A CN 106816976 A CN106816976 A CN 106816976A CN 201710209034 A CN201710209034 A CN 201710209034A CN 106816976 A CN106816976 A CN 106816976A
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- magnet steel
- socket
- slot
- auxiliary shield
- steel slot
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- 238000004080 punching Methods 0.000 title claims abstract description 46
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 188
- 239000010959 steel Substances 0.000 claims abstract description 187
- 238000009434 installation Methods 0.000 claims abstract description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 241000397426 Centroberyx lineatus Species 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000010792 warming Methods 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
- H02K1/2706—Inner rotors
-
- 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
- H02K21/021—Means for mechanical adjustment of the excitation flux
- H02K21/028—Means for mechanical adjustment of the excitation flux by modifying the magnetic circuit within the field or the armature, e.g. by using shunts, by adjusting the magnets position, by vectorial combination of field or armature sections
-
- 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
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention provides a kind of rotor punching, rotor and permagnetic synchronous motor, the rotor punching includes multiple magnet steel installation positions being distributed uniformly and circumferentially, each magnet steel installation position is included along radially-arranged one the first magnet steel slot of rotor punching and multiple second magnet steel slots, and the first magnet steel slot is located at the outer layer of the second magnet steel slot；The first magnet steel slot is located at the first socket both sides and the first symmetrical auxiliary shield groove respectively including the first socket and two；Both sides of the bottom of described two first auxiliary shield grooves respectively with the first socket connect.The present invention is significantly reduced this layer of magnet steel leakage field, so as to improve magnet steel utilization rate by the groove structure between the auxiliary shield groove and magnet steel slot that will be close to one layer of magnet steel installation position of rotor outer circumferential surfac.
Description
Technical field
The present invention relates to permagnetic synchronous motor field, more specifically to a kind of rotor punching, rotor and permanent magnetism
Synchronous motor.
Background technology
With global warming and the continuous aggravation of energy crisis, new-energy automobile substitute existing fuel-engined vehicle into
It is inevitable trend.The features such as permagnetic synchronous motor is due to high torque density, high efficiency, high power density and turn into new energy vapour
The first-selection of car motor.Permagnetic synchronous motor as new-energy automobile power assembly important component, its rotor adopted
Magnetic circuit topologies structure is all the time all for industry designer is of interest.
Magnetic circuit topologies structure, the Chinese patent application of Application No. 201610325058.2 are placed in parallel for multilayer magnet steel
Middle proposition, makes not insertion between every group of symmetrical magnet isolation tank, i.e., the rib of one fixed width is remained with the middle of magnet isolation tank (i.e. every magnetic bridge
Structure), radial support is played a part of to rotor core, so as to reduce the stress that rotor edge is subject to, it is ensured that the machinery of rotor
Intensity, and reduce the centrifugal force of rotor.The Chinese patent application of Application No. 201180042631.4 is proposed, by every layer of magnet steel
Placement slotted eye uses trapezoidal design, and trapezoidal both sides are respectively provided with oblique cross beam；The China of Application No. 201080048982.1 is specially
It is sharp to apply then proposing, Flux modulation group is set between the magnet isolation tank of different magnet steel.
But such scheme cannot all solve multilayer magnet steel and be placed in parallel asking for the superiors' magnet steel leakage field in Magnetic circuit topologies structure
Topic, as shown in figure 1, partial magnetic field will be unable to arrive at rotor core periphery.
The content of the invention
The technical problem to be solved in the present invention is to be placed in parallel in Magnetic circuit topologies structure for above-mentioned multilayer magnet steel and most gone up
The problem of layer magnet steel leakage field, there is provided a kind of new rotor punching, rotor and permagnetic synchronous motor.
The technical scheme that the present invention solves above-mentioned technical problem is to provide a kind of rotor punching, including multiple circumferentially sides
To equally distributed magnet steel installation position, each magnet steel installation position is included along radially-arranged first magnetic of rotor punching
Steel slot and multiple second magnet steel slots, and the first magnet steel slot is located at the outer layer of the second magnet steel slot；First magnetic
Steel slot is located at the first socket both sides and the first symmetrical auxiliary shield groove respectively including the first socket and two；Institute
Both sides of two bottoms of the first auxiliary shield groove respectively with first socket are stated to connect.
In rotor punching of the present invention, described two first auxiliary shield grooves constitute bowl with first socket
Shape groove；Top of the opposite side of described two first auxiliary shield grooves respectively to first socket is prominent so that described
First socket top forms the pole shoe of swallow-tail form.
In rotor punching of the present invention, the second magnet steel slot is located at respectively including the second socket and two
Second socket both sides and the second symmetrical auxiliary shield groove, the bottom of the second auxiliary shield groove extend to described
There is auxiliary magnetic bridge between the side of two sockets, and the second auxiliary shield groove and second socket；It is each described
First socket and second socket of magnet steel installation position be arranged in parallel and are respectively perpendicular to the rotor of position
The radial direction of punching.
In rotor punching of the present invention, the first auxiliary shield groove and the second auxiliary shield groove edge respectively
The radial distribution of rotor punching.
In rotor punching of the present invention, the multiple second magnet steel slot includes the first second magnet steel slot and end
The second magnet steel slot of position, the first second magnet steel slot is near the first magnet steel slot, the second magnet steel of last position slot
Near the rotor punching center of circle；The size of the first magnet steel slot is less than the size of the first second magnet steel slot, institute
State the size of the size less than the second magnet steel of last position slot of the first second magnet steel slot.
In rotor punching of the present invention, the top of the first auxiliary shield groove and the second auxiliary shield groove is upward
Extend, and with the non-homogeneous main magnetic bridge of the cylindrical formation of rotor punching.
The present invention also provides a kind of rotor, including rotor core and rotating shaft；The rotor core includes that multiple edges should
The iron core unit that rotor core is axially distributed, and have in each iron core unit multiple uniform along the circumferencial direction of the iron core unit
The magnetic pole of distribution, each magnetic pole is included along radially-arranged one the first magnet steel slot, multiple second magnetic of iron core unit
Steel slot, the first magnet steel slot is located at the outer layer and the first magnet steel slot and the second magnet steel slot of the second magnet steel slot
Magnet steel is inside inserted with respectively；The first magnet steel slot includes that the first socket and two are located at the first socket both sides and right respectively
Claim the first auxiliary shield groove of distribution；The bottom of described two first auxiliary shield grooves respectively with the both sides of first socket
Connection.
In rotor of the present invention, described two first auxiliary shield grooves constitute bowl with first socket
Shape groove；Top of the opposite side of described two first auxiliary shield grooves respectively to first socket is prominent so that described
First socket top forms the pole shoe of swallow-tail form.
In rotor of the present invention, the second magnet steel slot is located at respectively including the second socket and two
Second socket both sides and the second symmetrical auxiliary shield groove, the bottom of the second auxiliary shield groove extend to described
There is auxiliary magnetic bridge between the side of two sockets, and the second auxiliary shield groove and second socket；It is each described
First socket and second socket of magnet steel installation position be arranged in parallel and are respectively perpendicular to the iron core of position
The radial direction of unit；The first auxiliary shield groove and the second auxiliary shield groove are respectively along the radial distribution of iron core unit, institute
Stating multiple second magnet steel slots includes the first second magnet steel slot and last position the second magnet steel slot, the first second magnet steel slot
Near the first magnet steel slot, the second magnet steel of last position slot is near the rotor punching center of circle；First magnet steel is inserted
, less than the size of the first second magnet steel slot, the size of the first second magnet steel slot is less than the last position for the size of groove
The size of the second magnet steel slot；The top of the first auxiliary shield groove and the second auxiliary shield groove upwardly extends, and and iron core
The non-homogeneous main magnetic bridge of cylindrical formation of unit.
The present invention also provides a kind of permagnetic synchronous motor, including casing and the stator in casing, the permanent-magnet synchronous
Motor also includes rotor as described above.
Rotor punching of the invention, rotor and permagnetic synchronous motor, by one layer that will be close to rotor outer circumferential surfac
Groove structure between the auxiliary shield groove and magnet steel slot of magnet steel installation position, is significantly reduced this layer of magnet steel leakage field, so as to carry
Magnet steel utilization rate high.The dove-tail form pole shoe structure at the top of this layer of magnet steel can slow down the stress concentration at main magnetic bridge, optimization simultaneously
Main air-gap flux.
Brief description of the drawings
Fig. 1 is the schematic diagram in magnetic field in existing rotor.
Fig. 2 is the schematic diagram of rotor punching embodiment of the present invention.
Fig. 3 is the schematic diagram of permagnetic synchronous motor embodiment of the present invention.
Fig. 4 is the schematic diagram in magnetic field in rotor of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Fig. 2 being the schematic diagram of rotor punching embodiment of the present invention, the rotor punching is stackable to form rotor iron
Core.Rotor punching 20 in the present embodiment includes multiple magnet steel installation positions, and the plurality of magnet steel installation position is on rotor punching 20
It is distributed uniformly and circumferentially.Each magnet steel installation position include along rotor punching radially-arranged one the first magnet steel slot and
Multiple second magnet steel slots, and the first magnet steel slot is located at the outer layer of the second magnet steel slot.First magnet steel slot includes that first inserts
Groove portion 211 and two the first auxiliary shield grooves 212, and two the first auxiliary shield grooves 212 are respectively positioned at the first socket 211
Both sides and symmetrical (symmetry axis is the RADIAL through the center of the first socket 211).Above-mentioned two the first auxiliary shield groove
212 bottom connects bottom and first socket 211 of the first auxiliary shield groove 212 with the both sides of the first socket 211 respectively
Between the magnet steel fixed in the first socket 211 by raised structures, it is to avoid magnet steel moves to the first auxiliary shield groove 212.It is special
Not, two the first auxiliary shield grooves 212 and the composition bowl-type groove of the first socket 211.
Above-mentioned rotor punching is by will be close to the first auxiliary shield groove 212 of the first magnet steel installation position of rotor outer circumferential surfac
With the groove structure between the first socket 211 so that let out without normal direction both sides in the magnetic field for being plugged into the magnet steel of the first socket 211
Dew, as shown in figure 4, so as to be substantially reduced this layer of magnet steel leakage field, improving magnet steel utilization rate.
To slow down the stress concentration of the main magnetic bridge 24 that the first socket 211 is formed with rotor outer circle, can make two it is first auxiliary
Help top of the opposite side of shielding trench 212 respectively to the first socket 211 prominent so that the top of the first socket 211 forms swallow
The pole shoe of tail shape.
In above-mentioned rotor punching, the second magnet steel slot is located at the second socket respectively including the second socket and two
Both sides and the second symmetrical auxiliary shield groove, the bottom of the second auxiliary shield groove extend to the side of the second socket, and
There is auxiliary magnetic bridge between second auxiliary shield groove and the second socket；First socket of each magnet steel installation position and second is inserted
Groove portion be arranged in parallel and be respectively perpendicular to position rotor punching radial direction.
In a specific embodiment, multiple second magnet steel slots include the first second magnet steel slot and last position second magnetic
Steel slot, near the first magnet steel slot, last position the second magnet steel slot is near the center of circle of rotor punching 20 for the first second magnet steel slot.
It should be noted that the quantity of the second magnet steel slot is not limited to two, can be adjusted as needed.
Now, each magnet steel installation position has two-layer the second magnet steel slot, so that each magnet steel installation position has three
Layer magnet steel slot.Further, the first second magnet steel slot includes that the first second socket 221 and two first places second aid in
Shielding trench 222.The first second auxiliary shield groove 222 is located at the both sides of the first second socket 221 and symmetrical (symmetry axis is
Through the RADIAL at the first center of second socket 221), the bottom of the first second auxiliary shield groove 222 extends to the first the
The side (bottom of i.e. the first second auxiliary shield groove 222 maintains an equal level with the bottom of the first second socket 221) of two sockets 221
And there is the first auxiliary magnetic bridge 223 between the first second auxiliary shield groove 222 and the first second socket 221.The magnetic of last position second
Steel slot includes last the second socket of position 231 and two last position the second auxiliary shield grooves 232.Last position the second auxiliary shield groove
232 both sides for being located at last the second socket of position 231 and symmetrical (symmetry axis is through the center of the second socket of last position 231
RADIAL), the bottom of the last position the second auxiliary shield groove 232 extends to side (the i.e. last position second of the second socket of last position 231
The bottom of auxiliary shield groove 232 maintains an equal level with the bottom of the second socket of last position 231) and last position the second auxiliary shield groove 232 and end
There is last position auxiliary magnetic bridge 233 between the second socket 231 of position.
Especially, in each magnet steel installation position, the chi of the size less than the first second magnet steel slot of the first magnet steel slot
It is very little, and the size of the first second magnet steel slot is less than the size of last position the second magnet steel slot.
First socket 211 of each magnet steel installation position, the first first socket 221 of the first second magnet steel slot and end
Position magnet steel slot the second socket of last position 231 be arranged in parallel and be respectively perpendicular to position rotor punching 20 radial direction.
Each layer magnet steel in due to each magnet steel installation position makes each layer magnet steel direction of magnetization identical radially in parallel arrangement, with reference to
Multilayer screen groove, it is possible to increase salient pole ratio, namely the ratio of reluctance torque component is increased, it is close so as to be greatly improved motor torque
Degree.The increase of reluctance torque component, when controller can be overcome out of control motor high speed back-emf it is too high to pre-driver damage
Risk.
Auxiliary magnetic bridge 233 in the auxiliary magnetic bridge 223 and last position magnet steel slot of the first second magnet steel slot can improve magnet steel
Anti- degaussing ability and motor weak magnetic rate, with reference to multi-tier arrangement formed convex grey subset high, motor Constant-power speed range can be widened,
The auxiliary magnetic bridge 233 in the auxiliary magnetic bridge 223 of the first second magnet steel slot and last position magnet steel slot also enhances rotor machine simultaneously
Tool intensity and rotor reliability.Certainly, in actual applications, according to rotor mechanical strength, the anti-degaussing ability of magnet steel and weak magnetic rate
Deng composite request, the auxiliary magnetic bridge 233 in the auxiliary magnetic bridge 223 of above-mentioned the first second magnet steel slot and last position magnet steel slot can portion
Divide or all save.The auxiliary magnetic bridge 233 aided in magnetic bridge 223 and last position magnet steel slot of above-mentioned the first second magnet steel slot
Width not only needs to consider rotor mechanical strength, magnet steel leakage field, and also needs to consider the anti-degaussing ability of magnet steel and motor weak magnetic
The influence of rate.
Above-mentioned first auxiliary shield groove 212, the first second auxiliary shield groove 222 of the first second magnet steel slot and last position magnetic
The top of last position the second auxiliary shield groove 232 in steel slot upwardly extends respectively, and non-with the cylindrical formation of rotor punching 20
Uniform main magnetic bridge 24, by the main magnetic bridge 24, can improve air gap magnetic density waveform and counter potential waveform, reduce cogging torque and high speed
Torque pulsation.Importantly, non-homogeneous main magnetic bridge 24 can mechanically weaken the stress concentration of main magnetic bridge 24.Above-mentioned first is auxiliary
The last position second helped in shielding trench 212, the first second auxiliary shield groove 222 of the first second magnet steel slot and last position magnet steel slot
The width of auxiliary shield groove 232 can comprehensively be chosen according to rotor mechanical strength and interelectrode magnetic leakage size.
In each magnet steel installation position, the first auxiliary shield groove 212, the first second auxiliary screen of the first second magnet steel slot
Cover last position the second auxiliary shield groove 232 in groove 222 and last position magnet steel slot with pole center line (where i.e. each layer magnet steel center
RADIAL) form an angle, adjust this angle and can adjust magnetic line of force path as produced by magnet steel, so as to change polar arc system
Number.Especially, the first auxiliary shield groove 212, the first second auxiliary shield groove 222 of the first second magnet steel slot and last position can be made
Last position the second auxiliary shield groove 232 in magnet steel slot along rotor punching 20 radial distribution.
Additionally, to mitigate rotor core weight, can have multiple lightening holes 25, such as each magnetic on above-mentioned rotor punching 20
Steel installation position has a lightening hole 25.
Above-mentioned rotor punching may be directly applied to rotor, and the rotor includes rotor core and rotating shaft.The rotor
Iron core includes multiple iron core units being axially distributed along the rotor core, and has multiple in each iron core unit along the iron core list
The equally distributed magnetic pole of circumferencial direction of unit.Each magnetic pole is included along radially-arranged one the first magnet steel slot of iron core unit
With magnet steel, above-mentioned first magnet steel slot are inserted with multiple second magnet steel slots and the first magnet steel slot and the second magnet steel slot respectively
Positioned at the outer layer of the second magnet steel slot.First magnet steel slot is located at the first socket both sides respectively including the first socket and two
And the first symmetrical auxiliary shield groove；Two bottoms of the first auxiliary shield groove connect with the both sides of the first socket respectively
It is logical.
Especially, the bottom of the first auxiliary shield of above-mentioned two groove constitutes bowl-type groove with the first socket respectively.
In above-mentioned rotor, two opposite sides of the first auxiliary shield groove are dashed forward to the top of the first socket respectively
Go out so that the first socket top forms the pole shoe of swallow-tail form, so as to slow down the master that the first socket 211 is formed with rotor outer circle
The stress concentration of magnetic bridge 24.
Second magnet steel slot includes that the second socket and two are located at the second socket both sides and symmetrical the respectively
Two auxiliary shield grooves, the bottom of the second auxiliary shield groove extends to side and the second auxiliary shield groove and second of the second socket
There is auxiliary magnetic bridge between socket；First socket and the second socket of each magnet steel installation position be arranged in parallel and hang down respectively
The radial direction of the straight rotor punching in position.
First auxiliary shield groove and the second auxiliary shield groove along iron core unit radial distribution, multiple second magnet steel slot bags
The first second magnet steel slot and last position the second magnet steel slot are included, wherein the first second magnet steel slot is near the first magnet steel slot, end
The second magnet steel slot of position is near the rotor punching center of circle；Chi of the size of the first magnet steel slot less than the first second magnet steel slot
It is very little, the size of the size less than the second magnet steel of last position slot of the first second magnet steel slot；First auxiliary shield groove and second
The top of auxiliary shield groove upwardly extend respectively and with the non-homogeneous main magnetic bridge of the cylindrical formation of iron core unit.
As shown in figure 3, the present invention also provides a kind of permagnetic synchronous motor, including casing and the stator in casing 10,
Rotor core in rotor, and above-mentioned rotor rotor punching 20 as shown in Figure 2 is constituted, and is had on the rotor punching 20
There are 16 magnet steel installation positions, each magnet steel installation position has three magnet steel be arrangeding in parallel.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (10)
1. the magnet steel installation position that a kind of rotor punching, including multiple is distributed uniformly and circumferentially, it is characterised in that：It is each described
Magnet steel installation position includes along radially-arranged one the first magnet steel slot of rotor punching and multiple second magnet steel slots and described
First magnet steel slot is located at the outer layer of the second magnet steel slot；The first magnet steel slot includes the first socket and two difference positions
In the first socket both sides and the first symmetrical auxiliary shield groove；The bottom of described two first auxiliary shield grooves respectively with
The both sides connection of first socket.
2. rotor punching according to claim 1, it is characterised in that：Described two first auxiliary shield grooves and described first
Socket constitutes bowl-type groove；Dashed forward to the top of first socket respectively the opposite side of described two first auxiliary shield grooves
Go out so that the first socket top forms the pole shoe of swallow-tail form.
3. rotor punching according to claim 2, it is characterised in that：The second magnet steel slot include the second socket and
Two are located at the second socket both sides and the second symmetrical auxiliary shield groove, the bottom of the second auxiliary shield groove respectively
Extending between the side of second socket, and the second auxiliary shield groove and second socket has auxiliary magnetic
Bridge；Where first socket and second socket of each magnet steel installation position be arranged in parallel and are respectively perpendicular to
The radial direction of the rotor punching of position.
4. rotor punching according to claim 3, it is characterised in that：The first auxiliary shield groove and second auxiliary
Shielding trench is respectively along the radial distribution of rotor punching.
5. rotor punching according to claim 3, it is characterised in that the multiple second magnet steel slot includes the first second
Magnet steel slot and last position the second magnet steel slot, the first second magnet steel slot is near the first magnet steel slot, the last position
Second magnet steel slot is near the rotor punching center of circle；The size of the first magnet steel slot is inserted less than the first second magnet steel
The size of groove, the size of the size less than the second magnet steel of last position slot of the first second magnet steel slot.
6. rotor punching according to claim 3, it is characterised in that：The first auxiliary shield groove and the second auxiliary shield
The top of groove upwardly extends, and with the non-homogeneous main magnetic bridge of the cylindrical formation of iron core unit.
7. a kind of rotor, including rotor core and rotating shaft；The rotor core includes multiple along rotor core axial direction point
There are multiple equally distributed magnetic poles of circumferencial direction along the iron core unit in the iron core unit of cloth, and each iron core unit, its
It is characterised by：Each magnetic pole is included along radially-arranged one the first magnet steel slot, multiple second magnet steel of iron core unit
Slot, the first magnet steel slot is located in the outer layer of the second magnet steel slot and the first magnet steel slot and the second magnet steel slot
Magnet steel is inserted with respectively；The first magnet steel slot includes that the first socket and two are located at the first socket both sides and symmetrical respectively
First auxiliary shield groove of distribution；The bottom of described two first auxiliary shield grooves connects with the both sides of first socket respectively
It is logical.
8. rotor according to claim 7, it is characterised in that：Described two first auxiliary shield grooves and described first
Socket constitutes bowl-type groove；Dashed forward to the top of first socket respectively the opposite side of described two first auxiliary shield grooves
Go out so that the first socket top forms the pole shoe of swallow-tail form.
9. rotor according to claim 7, it is characterised in that：The second magnet steel slot include the second socket and
Two are located at the second socket both sides and the second symmetrical auxiliary shield groove, the bottom of the second auxiliary shield groove respectively
Extending between the side of second socket, and the second auxiliary shield groove and second socket has auxiliary magnetic
Bridge；Where first socket and second socket of each magnet steel installation position be arranged in parallel and are respectively perpendicular to
The radial direction of the iron core unit of position；The first auxiliary shield groove and the second auxiliary shield groove are respectively along the footpath of iron core unit
To distribution, the multiple second magnet steel slot includes the first second magnet steel slot and last position the second magnet steel slot, described the first the
, near the first magnet steel slot, the second magnet steel of last position slot is near the rotor punching center of circle for two magnet steel slots；It is described
The size of the first magnet steel slot is less than the size of the first second magnet steel slot, and the size of the first second magnet steel slot is small
In the size of the second magnet steel of last position slot；Prolong upwards on the top of the first auxiliary shield groove and the second auxiliary shield groove
Stretch, and with the non-homogeneous main magnetic bridge of the cylindrical formation of rotor punching.
10. a kind of permagnetic synchronous motor, including casing and the stator in casing, it is characterised in that the permanent magnet synchronous electric
Machine also includes rotor as claimed in any one of claims 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710209034.5A CN106816976A (en) | 2017-03-31 | 2017-03-31 | Rotor punching, rotor and permagnetic synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710209034.5A CN106816976A (en) | 2017-03-31 | 2017-03-31 | Rotor punching, rotor and permagnetic synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106816976A true CN106816976A (en) | 2017-06-09 |
Family
ID=59116588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710209034.5A Pending CN106816976A (en) | 2017-03-31 | 2017-03-31 | Rotor punching, rotor and permagnetic synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106816976A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114270663A (en) * | 2019-08-23 | 2022-04-01 | 株式会社明电舍 | Rotor |
| WO2023007707A1 (en) * | 2021-07-30 | 2023-02-02 | 川崎重工業株式会社 | Rotor and motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325350A (en) * | 2007-06-06 | 2008-12-17 | 通用汽车环球科技运作公司 | Multi-layer magnet arrangement in a permanent magnet machine for a motorized vehicle |
| CN104011974A (en) * | 2011-12-26 | 2014-08-27 | 三菱电机株式会社 | Rotor |
| WO2016198468A1 (en) * | 2015-06-12 | 2016-12-15 | Jaguar Land Rover Limited | Electric drive motor |
| CN207069719U (en) * | 2017-03-31 | 2018-03-02 | 苏州汇川联合动力系统有限公司 | Rotor punching, rotor and permagnetic synchronous motor |
-
2017
- 2017-03-31 CN CN201710209034.5A patent/CN106816976A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325350A (en) * | 2007-06-06 | 2008-12-17 | 通用汽车环球科技运作公司 | Multi-layer magnet arrangement in a permanent magnet machine for a motorized vehicle |
| CN104011974A (en) * | 2011-12-26 | 2014-08-27 | 三菱电机株式会社 | Rotor |
| WO2016198468A1 (en) * | 2015-06-12 | 2016-12-15 | Jaguar Land Rover Limited | Electric drive motor |
| CN207069719U (en) * | 2017-03-31 | 2018-03-02 | 苏州汇川联合动力系统有限公司 | Rotor punching, rotor and permagnetic synchronous motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114270663A (en) * | 2019-08-23 | 2022-04-01 | 株式会社明电舍 | Rotor |
| CN114270663B (en) * | 2019-08-23 | 2022-08-12 | 株式会社明电舍 | rotor |
| WO2023007707A1 (en) * | 2021-07-30 | 2023-02-02 | 川崎重工業株式会社 | Rotor and motor |
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Address after: 215000 52 tianedang Road, Yuexi, Wuzhong District, Suzhou City, Jiangsu Province Applicant after: Suzhou Huichuan United Power System Co.,Ltd. Address before: 215000 52 tianedang Road, Yuexi, Wuzhong District, Suzhou City, Jiangsu Province Applicant before: SUZHOU HUICHUAN UNITED POWER SYSTEM Co.,Ltd. |
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Application publication date: 20170609 |