CN204349618U - A kind of high performance permanent magnetic synchronous motor rotor and apply the rotor punching of this rotor - Google Patents

A kind of high performance permanent magnetic synchronous motor rotor and apply the rotor punching of this rotor Download PDF

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Publication number
CN204349618U
CN204349618U CN201420768298.6U CN201420768298U CN204349618U CN 204349618 U CN204349618 U CN 204349618U CN 201420768298 U CN201420768298 U CN 201420768298U CN 204349618 U CN204349618 U CN 204349618U
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CN
China
Prior art keywords
trapezoid groove
rotor
rebate
width
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420768298.6U
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Chinese (zh)
Inventor
周志民
管小梅
杨生强
刘宇琼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU ELMAER TECHNOLOGY Co Ltd
Original Assignee
JIANGSU ELMAER TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Priority to CN201420768298.6U priority Critical patent/CN204349618U/en
Application granted granted Critical
Publication of CN204349618U publication Critical patent/CN204349618U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a kind of high performance permanent magnetic synchronous motor rotor and applies the rotor punching of this rotor.Comprise the upper trapezoid groove and lower trapezoid groove that are linked in sequence; On the lower trapezoid groove that under the upper trapezoid groove of described upper trapezoid groove, notch is connected to lower trapezoid groove on notch, on the upper trapezoid groove of described upper trapezoid groove, width of rebate is greater than width of rebate under upper trapezoid groove, and on the lower trapezoid groove of described lower trapezoid groove, width of rebate is greater than width of rebate under lower trapezoid groove.Application can increase substantially the starting torque of motor with the high performance permanent magnetic synchronous motor of this grooved rotor punching, reduce the starting current of motor, the pull-in torque of motor is also had a certain upgrade simultaneously, improve the starting performance of motor, improve the startup quality of motor.According to practical application test, the starting torque applying the high performance permanent magnetic synchronous motor of this grooved rotor punching improves 10-12%, and starting current reduces 6-9%, and motor pull-in torque improves 4-7%, and the startability of motor is significantly improved.

Description

A kind of high performance permanent magnetic synchronous motor rotor and apply the rotor punching of this rotor
Technical field
The utility model belongs to technical field of motors, particularly relate to a kind of high performance permanent magnetic synchronous motor slot shape of rotor and the rotor punching with this grooved.
Background technology
High performance permanent magnetic synchronous motor has that efficiency is high, compact conformation, power factor are high, high reliability, thus more comes into one's own to the research of permagnetic synchronous motor in recent years.Starting torque, starting current are the important parameters weighing line-start permanent magnetic synchronous motor starting performance, how to improve the starting torque of motor, and the starting current reducing motor is the difficult problem that line-start permanent magnetic synchronous motor faces.Current research improves the starting torque of motor mainly through the mode reducing the motor number of turn, but motor length can be caused to increase simultaneously, cause the waste of material, and motor starting currents also significantly can raise.
Utility model content
Utility model object
For the problems referred to above, of the present utility model propose a kind of high performance permanent magnetic synchronous motor slot shape of rotor and rotor punching with this grooved.
The technical solution adopted in the utility model is for this reason: the utility model comprises the upper trapezoid groove and lower trapezoid groove that are linked in sequence; On the lower trapezoid groove that under the upper trapezoid groove of described upper trapezoid groove, notch is connected to lower trapezoid groove on notch, on the upper trapezoid groove of described upper trapezoid groove, width of rebate is greater than width of rebate under upper trapezoid groove, and on the lower trapezoid groove of described lower trapezoid groove, width of rebate is greater than width of rebate under lower trapezoid groove.
Described upper trapezoid groove: width of rebate <2 under width of rebate/upper trapezoid on 1< upper trapezoid groove.
The size of described upper trapezoid groove is less than the size of lower trapezoid groove.
The axis of described upper trapezoid groove and the dead in line of lower trapezoid groove.
A kind of rotor punching of application of motor rotor, comprise some described rotor of arranging ringwise, described punching also comprises the permanent magnet trough being arranged on and being in inside described rotor, and the contiguous permanent magnetism metal trough of lower trapezoid groove of described rotor is arranged, upper trapezoid groove is arranged away from permanent magnetism metal trough.
Described permanent magnetism metal trough is six grades of permanent magnet trough, and described each rotor and permanent magnetism metal trough are arranged along same axle center.
Described permanent magnet trough is provided with some tension holes, offers axis hole in the middle part of permanent magnet trough.
Advantage of the present utility model and effect are: application can increase substantially the starting torque of motor with the high performance permanent magnetic synchronous motor of this grooved rotor punching, reduce the starting current of motor, the pull-in torque of motor is also had a certain upgrade simultaneously, improve the starting performance of motor, improve the startup quality of motor.According to practical application test, the starting torque applying the high performance permanent magnetic synchronous motor of this grooved rotor punching improves 10-12%, and starting current reduces 6-9%, and motor pull-in torque improves 4-7%, and the startability of motor is significantly improved.
Accompanying drawing explanation
Fig. 1 is the utility model slot shape of rotor structural representation;
Fig. 2 is the rotor punching structure schematic diagram with above-mentioned slot shape of rotor;
Description of reference numerals:
In figure: 1, notch, 2, upper trapezoid groove, 3, lower trapezoid groove, 4, rotor is overall, 5, permanent magnet trough, 6, axis hole, 7, tension hole.
Width of rebate on a-upper trapezoid groove, width of rebate under b-upper trapezoid groove, width of rebate on a1-lower trapezoid groove, width of rebate under b1-lower trapezoid groove.
embodiment:
The utility model comprises the upper trapezoid groove 2 and lower trapezoid groove 3 that are linked in sequence; On the lower trapezoid groove that under the upper trapezoid groove of described upper trapezoid groove 2, notch is connected to lower trapezoid groove 3 on notch, on the upper trapezoid groove of described upper trapezoid groove 2, width of rebate a is greater than width of rebate b under upper trapezoid groove, and on the lower trapezoid groove of described lower trapezoid groove 3, width of rebate a1 is greater than width of rebate b1 under lower trapezoid groove.
Width of rebate b <2 under width of rebate a/upper trapezoid on described upper trapezoid groove 2:1< upper trapezoid groove.
The size of described upper trapezoid groove 2 is less than the size of lower trapezoid groove 3.
The axis of described upper trapezoid groove 2 and the dead in line of lower trapezoid groove 3.
A kind of rotor punching of application of motor rotor, comprise some described rotor of arranging ringwise, described punching also comprises the permanent magnet trough 5 being arranged on and being in inside described rotor, and the contiguous permanent magnetism metal trough 5 of lower trapezoid groove 3 of described rotor is arranged, upper trapezoid groove 2 is arranged away from permanent magnetism metal trough 5.
Described permanent magnetism metal trough 5 is six grades of permanent magnet trough 5, and described each rotor and permanent magnetism metal trough 5 are arranged along same axle center.
Described permanent magnet trough 5 is provided with some tension holes 7, offers axis hole 6 in the middle part of permanent magnet trough 5.
Below in conjunction with accompanying drawing, the utility model is described further:
The utility model is a kind of high performance permanent magnetic synchronous motor slot shape of rotor and the rotor punching with this grooved, and Fig. 1 is slot shape of rotor structural representation of the present utility model, as shown in fig. 1, forms primarily of notch 1, upper trapezoid groove 2, lower trapezoid groove 3; Notch 1, upper trapezoid groove 2 and lower trapezoid groove 3 form rotor entirety 4 jointly.
On described upper trapezoid groove, width of rebate is a, and under upper trapezoid groove, width of rebate is b, a>b, 1<a/b<2.
On described lower trapezoid groove, width of rebate is a1, and under lower trapezoid groove, width of rebate is b1, a1>b1.
Fig. 2 example is the 6 pole motor rotor punching sheets with above-mentioned rotor, and it is primarily of rotor entirety 4, permanent magnet trough 5, and axis hole 6 and tension hole 7 form.
Described rotor entirety 4 is positioned at outside rotor punching, and described permanent magnet trough 5, tension hole 7 and axis hole 6 are positioned at inside rotor punching successively.

Claims (7)

1. a high performance permanent magnetic synchronous motor rotor, is characterized in that, comprises the upper trapezoid groove and lower trapezoid groove that are linked in sequence; On the lower trapezoid groove that under the upper trapezoid groove of described upper trapezoid groove, notch is connected to lower trapezoid groove on notch, on the upper trapezoid groove of described upper trapezoid groove, width of rebate is greater than width of rebate under upper trapezoid groove, and on the lower trapezoid groove of described lower trapezoid groove, width of rebate is greater than width of rebate under lower trapezoid groove.
2 .a kind of high performance permanent magnetic synchronous motor rotor according to claim 1, is characterized in that, described upper trapezoid groove: width of rebate <2 under width of rebate/upper trapezoid on 1< upper trapezoid groove.
3 .a kind of high performance permanent magnetic synchronous motor rotor according to claim 1, is characterized in that, the size of described upper trapezoid groove is less than the size of lower trapezoid groove.
4 .a kind of high performance permanent magnetic synchronous motor rotor according to claim 1, is characterized in that, the axis of described upper trapezoid groove and the dead in line of lower trapezoid groove.
5 .a kind of rotor punching applying high performance permanent magnetic synchronous motor rotor described in above-mentioned arbitrary claim, it is characterized in that, comprise some described rotor of arranging ringwise, described punching also comprises the permanent magnet trough being arranged on and being in inside described rotor, and the contiguous permanent magnetism metal trough of lower trapezoid groove of described rotor is arranged, upper trapezoid groove is arranged away from permanent magnetism metal trough.
6 .a kind of rotor punching according to claim 5, is characterized in that, described permanent magnetism metal trough is six grades of permanent magnet trough, and described each rotor and permanent magnetism metal trough are arranged along same axle center.
7 .a kind of rotor punching according to claim 5, is characterized in that, described permanent magnet trough is provided with some tension holes, offers axis hole in the middle part of permanent magnet trough.
CN201420768298.6U 2014-12-09 2014-12-09 A kind of high performance permanent magnetic synchronous motor rotor and apply the rotor punching of this rotor Expired - Fee Related CN204349618U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420768298.6U CN204349618U (en) 2014-12-09 2014-12-09 A kind of high performance permanent magnetic synchronous motor rotor and apply the rotor punching of this rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420768298.6U CN204349618U (en) 2014-12-09 2014-12-09 A kind of high performance permanent magnetic synchronous motor rotor and apply the rotor punching of this rotor

Publications (1)

Publication Number Publication Date
CN204349618U true CN204349618U (en) 2015-05-20

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CN201420768298.6U Expired - Fee Related CN204349618U (en) 2014-12-09 2014-12-09 A kind of high performance permanent magnetic synchronous motor rotor and apply the rotor punching of this rotor

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105048744A (en) * 2015-07-17 2015-11-11 中国科学院电工研究所 Cast copper rotor for variable frequency motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105048744A (en) * 2015-07-17 2015-11-11 中国科学院电工研究所 Cast copper rotor for variable frequency motor

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150520

Termination date: 20151209

EXPY Termination of patent right or utility model