CN105656231B - Radiate rotor with non-salient poles in a kind of - Google Patents
Radiate rotor with non-salient poles in a kind of Download PDFInfo
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- CN105656231B CN105656231B CN201610135905.9A CN201610135905A CN105656231B CN 105656231 B CN105656231 B CN 105656231B CN 201610135905 A CN201610135905 A CN 201610135905A CN 105656231 B CN105656231 B CN 105656231B
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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
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- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention proposes the rotors with non-salient poles that radiates in one kind, including punching to laminate iron core, magnetic shoe, rotor mandrel, baffle, fan, circlip for shaft, bearing;Punching laminates that iron core is superimposed by punching, fixation forms, and round edge is symmetrically arranged with opening on the outside of punching, and in the slot for setting arc-shaped on punching excircle, the center of circle and the punching center of circle dislocation of circle where slot are evenly distributed with 4 interior ventilating ducts between slot and punching inner ring;Baffle is equipped with the ventilation opening for cooperating interior ventilating duct;Rotor mandrel bottom connects fan, connects bearing at the top of rotor mandrel.Beneficial effects of the present invention: alleviating the weight of rotor by the symmetrical set opening of round edge on the outside of punching, by interior ventilating duct set in punching and ventilation opening, cooperates fan use to reduce rotor and runs at high speed bring high temperature, motor is avoided to burn;The center of circle of circle where installing the arc-shaped slot of magnetic shoe and the dislocation of the punching center of circle make air gap uniformly, rationally improve efficiency.
Description
Technical field
The present invention relates in technical field of motors, specifically, being related to a kind of motor rotor punching sheet.
Background technique
Motor is made of rotor and stator two parts, it is turn for realizing electric energy and mechanical energy and mechanical energy and electric energy
Changing device.Rotor is the rotary part in motor, the composition such as magnetic pole, shaft, winding, slip ring, brush is generally comprised, in brush
It is passed through direct current excitation with slip ring, fixed magnetic pole is generated, divides salient pole and non-salient pole according to amount of capacity and revolving speed height rotor structure
Two kinds.Salient pole feature: non-uniform air-gap has apparent magnetic pole, and rotor core is short and thick, is suitable for revolving speed and is lower than 1000r/min, pole
The motor of logarithm p >=3.Non-salient pole feature: air gap is uniform, and without apparent magnetic pole, rotor core is long thin, is higher than suitable for revolving speed
1500r/min, the motor of number of pole-pairs p≤2.Rotor with non-salient poles is suitable in the higher situation of revolving speed, but the then calorific value of revolving speed height
Also high, if rotor run at high speed generation heat take away not in time if motor will be burnt because of high temperature;And rotor quality
It will cause rotational efficienty decline if excessive.Gap between the armature of static magnetic pole and rotation is called air gap, air gap it is big
It is small, determine the size of magnetic flux, if air gap is larger, leakage field is just more, then the efficiency of motor will reduce, if air gap
It is too small, it is easy for sweeping stator thorax.Therefore, it is necessary to control air gap to a reasonable numerical value, optimum efficiency can be only achieved.
Summary of the invention
Therefore the present invention proposes the rotor with non-salient poles that radiates in one kind, solve rotor run at high speed the heat of generation cannot be timely
The shortcomings that taking away, radiating and by air gap control to a reasonable range.
The technical scheme of the present invention is realized as follows: the rotor with non-salient poles that radiates in a kind of, including punching laminate iron core, are set to
Punching laminates magnetic shoe, rotor mandrel, baffle, fan, circlip for shaft, bearing on iron core;The iron core that laminates is by punching
Superimposed, fixation forms, and the punching is circular turntable, rotates along rotor mandrel, round edge is symmetrically arranged with out on the outside of punching
Mouthful, after punching superposition laminates iron core as punching, opening superposition becomes a slot, mitigates superimposed weight;In punching outer circle
The slot of the arc-shaped of Zhou Shangshe tetra- installation magnetic shoes, the center of circle of circle where the slot and punching center of circle dislocation 1.5mm-
2.5mm guarantees that punching can continue to use traditional magnetic shoe, and non-uniform air-gap amount will not be caused too much to increase because of the wrong heart, eventually causes
Performance decline;The hole that uniformly distributed 4 cooperations rivet uses between slot and punching inner ring, it is 4 uniformly distributed between slot and punching inner ring
Interior ventilating duct;The baffle is divided into front apron and rear baffle, and front apron is annulus identical with punching, and the front apron is equipped with
The matching hole of 4 cooperation tightening of rivet, ventilation openings of the front apron equipped with ventilating duct in 4 cooperations, the interior ventilating duct,
Mouth-shaped, the size of divulging information are identical, cooperate fan cooling, and the front apron, which is set to, laminates iron core one end, and the rear baffle is set to folded
The weight heart other end, front apron are arranged symmetrically with rear baffle, and forward and backward plate washer uses outer circle enclosed construction, enclose rotor two
Air port is only opened in forward and backward baffle interior position in the air duct on side, and ventilating duct position is overlapped in air duct position and punching, such
Structure reduces windmill loss.The rear baffle is identical as front apron structure, size;Several punchings are superimposed and to form punching and laminates iron
The heart, the hole on iron core is laminated by punching, the matching hole on forward and backward baffle is riveted, and plays fastening effect, by punching and after
Baffle is riveted together, and punching and front apron are riveted together;The rotor mandrel bottom connects fan, the rotor mandrel top
Portion sequentially passes through rear baffle, punching laminates iron core, front apron, circlip for shaft connect bearing, reduces the friction of rotor rotation.
Further, the punching outer diameter is 98mm-99mm, internal diameter 35mm.Guarantee that the air gap flux density of motor is uniform, electricity
Pivot reaction effect is appropriate.
Further, the opening is 2, and the opening includes the bottom edge of two sides in two sides and connection,
The bottom edge is circular arc, and circle, punching, baffle are concentric circles where the circular arc, and diameter of a circle where the circular arc is 64mm-
70mm, it is 35 ° -50 ° that two sides, which form angle,.The loss of weight that has been open effect, the big then loss of weight of opening is more, rotor efficiency
It is higher.
Further, the internal diameter of the hole and matching hole is 6mm, and the hole is set to apart from punching center of circle 47mm-
On the circumference of 50mm, the matching hole is set on the circumference apart from baffle center of circle 47mm-50mm.
Further, the magnetic shoe length is chosen according to power, datum length 40mm-50mm.Length chooses rule
For N* a reference value, N is the natural number (N=2,3,4,5) for being greater than 1 according to power selection, and the scope of application is wider.
Further, the interior ventilating duct is set on the circumference apart from punching center of circle 48mm-53mm, and the ventilation opening is set
In on the circumference apart from baffle center of circle 48mm-53mm.This structure can effectively reduce the loss of rotor windmill, but also full simultaneously
The cooling requirements of sufficient motor entirety, and do not influence overall mechanical strength.
Further, generator stator core length are as follows: on the basis of 40mm -53mm, it is N* base that length, which chooses rule,
Quasi- value, N are the natural number (N=2,3,4,5) for being greater than 1 according to power selection, the selection and design specification of the stator core
The selection of following rotor magnet length has been determined.The practical pole embrace of magnetic shoe is exactly practical radian and the pole of rotor of magnetic shoe
The ratio between away from, range 0.635---0.75 is best, the length unification of stator and rotor, and performance and price is relatively optimal.
Further, magnetic shoe direction of magnetization thickness selects:
H=σ * K
σ=air gap numerical value
K=empirical parameter (range of 10---18)
Magnetic shoe uses overall construction design, and centre does not need screw hole, and design mechanicalness in this way is more preferable, and safety in utilization is more
It is high.
Further, punching pole shoe is using 130--145 ° of polar arc design.Practical polar arc is increased, not air gap
It uniformly influences to be preferably minimized.
By above disclosure, the invention has the benefit that being mitigated by the symmetrical set opening of round edge on the outside of punching
The weight of rotor is matched by 4 ventilation openings of ventilating duct in set cooperation on 4 interior ventilating ducts set in punching and baffle
It closes fan use and reduces rotor and run at high speed bring high temperature, motor is avoided to burn;The arc-shaped slot place of magnetic shoe is installed
The round center of circle and the dislocation of the punching center of circle make air gap uniformly, rationally improve efficiency.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of punching.
Fig. 3 is the structural schematic diagram of front apron.
Fig. 4 is the structural schematic diagram of punching in embodiment three.
Appended drawing reference is as follows:
1 magnetic shoe, 2 rotor mandrels, 3 fans, 4 circlip for shaft, 5 bearings, 6 punchings, 7 are open, 8 slots, 9 holes, before 10
Baffle, 11 rear baffles, 12 matching holes, 13 ventilation openings, 14 punchings laminate iron core, ventilating duct in 15.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
As shown in Figures 1 to 3, a kind of interior rotor with non-salient poles that radiates, including punching laminate iron core 14, laminate iron core 14 set on punching
On magnetic shoe 1, rotor mandrel 2, baffle, fan 3, circlip for shaft 4, bearing 5.
The punching laminates that iron core 14 is superimposed by several punchings 6, fixation forms, and the punching 6 is circular turntable, institute
Stating punching outer diameter is 98mm, internal diameter 35mm, and the opening 7 that loss of weight acts in being symmetrically arranged with 6 outside round edge of punching mitigates rotor
Weight guarantees rotational efficienty, and the superposition of punching 6, fixation are formed after punching laminates iron core 14 and can be rotated in rotor mandrel 2, Yu Chong
The slot 8 of the arc-shaped of four installation magnetic shoes is set on 6 excircle of piece, the center of circle of circle where the slot 8 and the dislocation of 6 center of circle of punching
1.5mm guarantees that punching can continue to use traditional magnetic shoe, and non-uniform air-gap amount will not be caused too much to increase because of the wrong heart, eventually causes
Performance decline;The holes 9 that uniformly distributed 4 cooperations rivets use between 6 inner ring of slot 8 and punching, between 6 inner ring of slot 8 and punching
Rotor heat is taken away in cloth 4 interior ventilating ducts 15, the cooperation rotation of fan 3, and the punching pole shoe polar arc is 130 °, increases practical magnetic
Polar arc degree is preferably minimized non-uniform air-gap influence.
The baffle is divided into front apron 10 and rear baffle 11, and front apron 10 is annulus identical with punching 6, the front apron
10 are equipped with the matching hole 12 of 4 cooperation tightening of rivet, and the front apron 10 is equipped with the ventilation opening 13 for cooperating interior ventilating duct 15,
The front apron 10, which is set to, laminates 14 one end of iron core, and the rear baffle 11 is set to punching and laminates 14 other end of iron core, front apron 10
It is arranged symmetrically with rear baffle 11, the rear baffle 11 is identical as 10 structure of front apron, size, and punching 6 and rear baffle 11 are riveted
Together, punching 6 and front apron 10 are riveted together, and the interior ventilating duct 15 is set on the circumference apart from 6 center of circle 48mm of punching,
The ventilation opening 13 is set on the circumference apart from 6 center of circle 48mm of baffle.Ventilation opening 13 i.e. on baffle cooperates punching to laminate iron core
Interior ventilating duct 15 on 14 takes away rotor under the action of rotating fan 3 and runs at high speed bring heat, reduces the temperature of rotor
Degree.
The weight reduction openings 7 include two sides and the bottom edge for connecting two sides, and the bottom edge is circular arc, the circle
Circle, punching, baffle are concentric circles where arc, and diameter of a circle where the circular arc is 64mm, and two sides form angle
It is 35 °.The hole 9 and the internal diameter of matching hole 12 are 6mm, and the hole 9 is set on the circumference apart from 6 center of circle 47mm of punching,
The matching hole 12 is set on the circumference apart from baffle center of circle 47mm.1 trade mark of magnetic shoe is N35H-N38SH.
Magnetic shoe datum length is 40mm, N=3, i.e. magnetic shoe length is 120mm, and it is 40mm that punching, which laminates iron core datum length,
N=3, i.e. core length are 120mm.The practical pole embrace of magnetic shoe is 0.635.
2 bottom of rotor mandrel connects fan 3, sequentially passes through rear baffle 11 at the top of the rotor mandrel 2, punching laminates
Iron core, front apron 10, circlip for shaft 4 connect bearing 5.
Embodiment two
As shown in Figures 1 to 3, a kind of interior rotor with non-salient poles that radiates, including punching laminate iron core 14, laminate iron core 14 set on punching
On magnetic shoe 1, rotor mandrel 2, baffle, fan 3, circlip for shaft 4, bearing 5.
The punching laminates that iron core 14 is superimposed by several punchings 6, fixation forms, and the punching 6 is circular turntable, institute
Stating punching outer diameter is 99mm, internal diameter 35mm, and the opening 7 that loss of weight acts in being symmetrically arranged with 6 outside round edge of punching mitigates rotor
Weight guarantees rotational efficienty, and the superposition of punching 6, fixation are formed after punching laminates iron core 14 and can be rotated in rotor mandrel 2, Yu Chong
The slot 8 of the arc-shaped of four installation magnetic shoes is set on 6 excircle of piece, the center of circle of circle where the slot 8 and the dislocation of 6 center of circle of punching
2.5mm guarantees that punching can continue to use traditional magnetic shoe, and non-uniform air-gap amount will not be caused too much to increase because of the wrong heart, eventually causes
Performance decline;The holes 9 that uniformly distributed 4 cooperations tightening of rivet use between 6 inner ring of slot 8 and punching, slot 8 and 6 inner ring of punching it
Between uniformly distributed 4 interior ventilating ducts 15, the cooperation rotation of fan 3 takes away rotor heat, and the punching pole shoe polar arc is 145 °, increases reality
Border polar arc is preferably minimized non-uniform air-gap influence.
The baffle is divided into front apron 10 and rear baffle 11, and front apron 10 is annulus identical with punching 6, the front apron
10 are equipped with the matching hole 12 of 4 cooperation tightening of rivet, and the front apron 10 is equipped with the ventilation opening 13 for cooperating interior ventilating duct 15,
The front apron 10, which is set to, laminates 14 one end of iron core, and the rear baffle 11 is set to punching and laminates 14 other end of iron core, front apron 10
It is arranged symmetrically with rear baffle 11, the rear baffle 11 is identical as 10 structure of front apron, size, and punching 6 and rear baffle 11 are riveted
Together, punching 6 and front apron 10 are riveted together, and the interior ventilating duct 15 is set on the circumference apart from 6 center of circle 53mm of punching,
The ventilation opening 13 is set on the circumference apart from 6 center of circle 53mm of baffle.Ventilation opening 13 i.e. on baffle cooperates punching to laminate iron core
Interior ventilating duct 15 on 14 takes away rotor under the action of rotating fan 3 and runs at high speed bring heat, reduces the temperature of rotor
Degree.
The weight reduction openings 7 include two sides and the bottom edge for connecting two sides, and the bottom edge is circular arc, the circle
Circle, punching, baffle are concentric circles where arc, and diameter of a circle where the circular arc is 70mm, and two sides form angle
It is 50 °.The hole 9 and the internal diameter of matching hole 12 are 6mm, and the hole 9 is set on the circumference apart from 6 center of circle 50mm of punching,
The matching hole 12 is set on the circumference apart from baffle center of circle 50mm.1 trade mark of magnetic shoe is N35H-N38SH.
Magnetic shoe datum length is 50mm, N=3, i.e. magnetic shoe length is 150mm, and it is 53mm that punching, which laminates iron core datum length,
N=3, i.e. core length are 159mm.The practical pole embrace of magnetic shoe is 0.75.
2 bottom of rotor mandrel connects fan 3, sequentially passes through rear baffle 11 at the top of the rotor mandrel 2, punching laminates
Iron core, front apron 10, circlip for shaft 4 connect bearing 5.
Embodiment three
As shown in Figures 1 to 4, a kind of interior rotor with non-salient poles that radiates, including punching laminate iron core 14, laminate iron core 14 set on punching
On magnetic shoe 1, rotor mandrel 2, baffle, fan 3, circlip for shaft 4, bearing 5.
The punching laminates that iron core 14 is superimposed by several punchings 6, fixation forms, and the punching 6 is circular turntable, institute
Stating punching outer diameter is 99mm, internal diameter 35mm, and the opening 7 that loss of weight acts in being symmetrically arranged with 6 outside round edge of punching mitigates rotor
Weight guarantees rotational efficienty, and the superposition of punching 6, fixation are formed after punching laminates iron core 14 and can be rotated in rotor mandrel 2, Yu Chong
The slot 8 of the arc-shaped of four installation magnetic shoes is set on 6 excircle of piece, the center of circle of circle where the slot 8 and the dislocation of 6 center of circle of punching
1.5mm guarantees that punching can continue to use traditional magnetic shoe, and non-uniform air-gap amount will not be caused too much to increase because of the wrong heart, eventually causes
Performance decline;The holes 9 that uniformly distributed 4 cooperations rivets use between 6 inner ring of slot 8 and punching, between 6 inner ring of slot 8 and punching
Rotor heat is taken away in cloth 4 interior ventilating ducts 15, the cooperation rotation of fan 3, and referring to fig. 4, the punching pole shoe polar arc is 140 °, increases
Practical polar arc is preferably minimized non-uniform air-gap influence.
The baffle is divided into front apron 10 and rear baffle 11, and front apron 10 is annulus identical with punching 6, the front apron
10 are equipped with the matching hole 12 of 4 cooperation rivets, and the front apron 10 is equipped with the ventilation opening 13 for cooperating interior ventilating duct 15, described
Front apron 10, which is set to, laminates 14 one end of iron core, and the rear baffle 11 is set to punching and laminates 14 other end of iron core, and front apron 10 is with after
Baffle 11 is arranged symmetrically, and the rear baffle 11 is identical as 10 structure of front apron, size, and punching 6 and rear baffle 11 are riveted on one
It rises, punching 6 and front apron 10 are riveted together, and the interior ventilating duct 15 is set on the circumference apart from 6 center of circle 48mm of punching, described
Ventilation opening 13 is set on the circumference apart from 6 center of circle 48mm of baffle.Ventilation opening 13 i.e. on baffle cooperates punching to laminate on iron core 14
Interior ventilating duct 15, rotor is taken away under the action of rotating fan 3 and is run at high speed bring heat, the temperature of rotor is reduced.
The weight reduction openings 7 include two sides and the bottom edge for connecting two sides, and the bottom edge is circular arc, the circle
Circle, punching, baffle are concentric circles where arc, and diameter of a circle where the circular arc is 67mm, and two sides form angle
It is 40 °.The hole 9 and the internal diameter of matching hole 12 are 6mm, and the hole 9 is set on the circumference apart from 6 center of circle 49mm of punching,
The matching hole 12 is set on the circumference apart from baffle center of circle 49mm.1 trade mark of magnetic shoe is N35H-N38SH.
Magnetic shoe datum length is 45mm, N=3, i.e. magnetic shoe length is 135mm, and it is 45mm that punching, which laminates iron core datum length,
N=3, i.e. core length are 135mm.The practical pole embrace of magnetic shoe is 0.7.
2 bottom of rotor mandrel connects fan 3, sequentially passes through rear baffle 11 at the top of the rotor mandrel 2, punching laminates
Iron core, front apron 10, circlip for shaft 4 connect bearing 5.
The working principle of the invention: opening 7 plays loss of weight, alleviates the weight of rotation rotor, improves efficiency;On baffle
Ventilation opening 13 cooperate punching to laminate the interior ventilating duct 15 on iron core 14, form one and rotated for fan 3 and generate wind circulation
Space has taken away rotor and has run at high speed bring heat, reduced the temperature of rotor, rotor is avoided to be burned out;Magnetic shoe is installed
The center of circle and 6 center of circle of punching the dislocation 1.5-2.5mm of circle where arc-shaped slot 8, guarantee that punching can continue to use traditional magnetic shoe 3, make gas
Gap uniformly, rationally, improves efficiency.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (6)
1. radiate rotor with non-salient poles in a kind of, it is characterised in that: laminate iron core (14) including punching, laminate iron core (14) set on punching
On magnetic shoe (1), rotor mandrel (2), baffle, fan (3), circlip for shaft (4), bearing (5);Magnetic shoe direction of magnetization thickness
Selection: h=σ * K, σ=air gap numerical value, K=empirical parameter, the value range of K are 10---18;
The punching laminates that iron core (14) is superimposed by punching (6), fixation forms, and the punching (6) is circular turntable, Yu Chong
Round edge is symmetrically arranged with opening (7) on the outside of piece (6), in the slot for the arc-shaped for setting four installation magnetic shoes on punching (6) excircle
(8), the center of circle of circle where the slot (8) and punching (6) center of circle dislocation 1.5mm-2.5mm, slot (8) and punching (6) inner ring
Between the holes (9) that use of uniformly distributed 4 cooperations rivets, uniformly distributed 4 interior ventilating ducts (15) between slot (8) and punching (6) inner ring;
The baffle is divided into front apron (10) and rear baffle (11), and front apron (10) is identical annulus with punching (6), before described
Baffle (10) is equipped with the matching hole (12) that 4 cooperation rivets use, and the front apron (10), which is equipped with, cooperates interior ventilating duct
(15) ventilation opening (13), the front apron (10) are set to punching and laminate iron core (14) one end, and the rear baffle (11) is set to folded
The weight heart (14) other end, front apron (10) are arranged symmetrically with rear baffle (11);
Rotor mandrel (2) bottom connects fan (3), sequentially passes through rear baffle (11), punching at the top of the rotor mandrel (2)
Laminate iron core, front apron (10), circlip for shaft (4) connection bearing (5).
2. a kind of interior rotor with non-salient poles that radiates as described in claim 1, it is characterised in that: punching (6) outer diameter is 98mm-
99mm, internal diameter 35mm.
3. a kind of interior rotor with non-salient poles that radiates as described in claim 1, it is characterised in that: the opening (7) includes two sides
And the bottom edge of two sides of connection, the bottom edge are circular arc, circle, punching, baffle are concentric circles where the circular arc, and described
Diameter of a circle where circular arc is 64mm-70mm, and it is 35 ° -50 ° that two sides, which form angle,.
4. a kind of interior rotor with non-salient poles that radiates as described in claim 1, it is characterised in that: the hole (9) and matching hole (12)
Internal diameter is 6mm, and the hole (9) is set on the circumference apart from punching (6) center of circle 47mm-50mm, and the matching hole (12) is set to
On circumference apart from baffle center of circle 47mm-50mm.
5. a kind of interior rotor with non-salient poles that radiates as described in claim 1, it is characterised in that: magnetic shoe (1) length is according to power
It chooses, datum length 40mm-50mm.
6. a kind of interior rotor with non-salient poles that radiates as described in claim 1, it is characterised in that: the interior ventilating duct (15) is set to distance
On the circumference of punching (6) center of circle 48mm-53mm, the ventilation opening (13) is set to the circumference apart from baffle (6) center of circle 48mm-53mm
On.
Priority Applications (2)
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CN201610135905.9A CN105656231B (en) | 2016-03-10 | 2016-03-10 | Radiate rotor with non-salient poles in a kind of |
PCT/CN2016/107139 WO2017152660A1 (en) | 2016-03-10 | 2016-11-24 | Internal heat dissipation salient pole rotor |
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CN201610135905.9A CN105656231B (en) | 2016-03-10 | 2016-03-10 | Radiate rotor with non-salient poles in a kind of |
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CN105656231B true CN105656231B (en) | 2019-01-25 |
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CN105656231B (en) * | 2016-03-10 | 2019-01-25 | 重庆智仁发电设备有限责任公司 | Radiate rotor with non-salient poles in a kind of |
CN106451849B (en) * | 2016-10-13 | 2018-12-28 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of rotor structure, motor and compressor |
CN110661349A (en) * | 2018-06-29 | 2020-01-07 | 长城汽车股份有限公司 | Silicon steel sheet and permanent magnet motor |
CN110011445A (en) * | 2019-04-28 | 2019-07-12 | 保定长安客车制造有限公司 | A kind of new structural rotor |
CN110474458B (en) * | 2019-09-24 | 2024-05-14 | 上海电气集团上海电机厂有限公司 | Rotor punching sheet air path structure |
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EP0392028A1 (en) * | 1988-10-17 | 1990-10-17 | Fanuc Ltd. | Permanent-magnet synchronous motor |
CN201490787U (en) * | 2009-09-03 | 2010-05-26 | 钻宝电子有限公司 | Rotor structure of permanent magnet generator |
CN202696299U (en) * | 2012-07-30 | 2013-01-23 | 重庆智仁发电设备有限责任公司 | Rare earth permanent magnet generator rotor sheet |
CN105245047A (en) * | 2015-11-03 | 2016-01-13 | 中科盛创(青岛)电气股份有限公司 | Unit magnetic pole structure of permanent magnet motor rotor |
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WO2017152660A1 (en) | 2017-09-14 |
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