CN204992999U - Built -in permanent -magnet machine rotor punching - Google Patents

Built -in permanent -magnet machine rotor punching Download PDF

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Publication number
CN204992999U
CN204992999U CN201520544639.6U CN201520544639U CN204992999U CN 204992999 U CN204992999 U CN 204992999U CN 201520544639 U CN201520544639 U CN 201520544639U CN 204992999 U CN204992999 U CN 204992999U
Authority
CN
China
Prior art keywords
magnet steel
rotor punching
built
steel groove
steel slot
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
CN201520544639.6U
Other languages
Chinese (zh)
Inventor
谢雄伟
费伟中
柳毅
魏荣斌
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.)
XI'AN KYLIN ELECTRIC CO Ltd
Original Assignee
XI'AN KYLIN ELECTRIC 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
Publication date
Application filed by XI'AN KYLIN ELECTRIC CO Ltd filed Critical XI'AN KYLIN ELECTRIC CO Ltd
Priority to CN201520544639.6U priority Critical patent/CN204992999U/en
Application granted granted Critical
Publication of CN204992999U publication Critical patent/CN204992999U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a built -in permanent -magnet machine rotor punching, including the rotor punching body, be equipped with the shaft hole at the center of rotor punching body, the rotor punching body has the magnet steel slot who is triangular structure along circumference evenly distributed, and every magnet steel slot comprises I and two magnet steel slot II of a magnet steel slot, and two magnet steel slot II among every magnet steel slot are the V type and arrange the just directional rotor punching body center of V type point, and magnet steel slot I sets up in two magnet steel slot's II V style of calligraphy opening part, and two I difference of magnet steel slot II and magnet steel slot are independent and contactless each other. The utility model has the characteristics of simple structure practices thrift the cost, the high and operation safe and reliable of air -gap flux density.

Description

A kind of built-in permanent magnet motor rotor punching
Technical field
The utility model belongs to permanent magnet synchronous motor technical field, specifically relates to a kind of built-in permanent magnet motor rotor punching.
Background technology
Permagnetic synchronous motor has energy-efficient, power density and torque density high and is widely applied.Although the stator structure of permagnetic synchronous motor is similar to asynchronous AC motor with manufacturing process, but both rotor structures are not identical, the rotor of permagnetic synchronous motor is embedded with magnet steel, and by magnet steel magnetic poles, whether the design of rotor punching is rationally the key of designing permanent-magnet synchronous motor success or not.
In prior art, permagnetic synchronous motor adopts built-in rotor structure usually, and built-in " one " the word structure punching commonly used at present and built-in " V word " structure punching are owing to limiting by the arrangement of flute profile on rotor punching, cause the air gap flux density of permagnetic synchronous motor lower, affect the overall performance of motor.
Utility model content
The purpose of this utility model is to provide a kind of built-in permanent magnet motor rotor punching, the flute profile arrangement being intended to solve prior art built-in " one " word structure punching and built-in " V word " structure punching employing makes the problem that the air gap flux density of permagnetic synchronous motor is lower, it is simple that it has structure, cost-saving, the feature that air gap flux density is high and safe and reliable to operation.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of built-in permanent magnet motor rotor punching, comprise rotor punching body, axis hole is provided with at the center of rotor punching body, described rotor punching body is uniformly distributed circumferentially the magnet steel groove in three-legged structure, each magnet steel groove is made up of a magnet steel groove I and two magnet steel grooves II, two V-shaped arrangements of magnet steel groove II in each magnet steel groove and V-type point points to rotor punching body central, magnet steel groove I is arranged at the V-shape opening part of two magnet steel grooves II, and two magnet steel grooves II and magnet steel groove I are independently and mutually contactless.
Feature of the present utility model is also, the region of rotor punching body between axis hole and magnet steel groove offers the rivet hole of annular spread.
Feature of the present utility model is also, the quantity of the magnet steel groove that rotor punching body is uniformly distributed circumferentially in three-legged structure is 12.
Feature of the present utility model is also, the quantity of rivet hole is 12,6 or 3.
Feature of the present utility model is also, the angle α between two magnet steel grooves II in each magnet steel groove is 75 °.
Feature of the present utility model is also, rotor punching body is rounded.
The beneficial effects of the utility model are as follows:
The built-in permanent magnet motor rotor punching that the utility model provides, the flute profile arrangement that can solve prior art built-in " one " word structure punching and built-in " V word " structure punching employing makes the problem that the air gap flux density of permagnetic synchronous motor is lower, it is simple that the utility model has structure, cost-saving, the feature that air gap flux density is high and safe and reliable to operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Wherein, 1, rotor punching body, 2, axis hole, 3, magnet steel groove I, 4, magnet steel groove II, 5, rivet hole.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in detail.
See Fig. 1, the built-in permanent magnet motor rotor punching of the utility model embodiment, comprises rotor punching body 1, and rotor punching body 1 is rounded.Axis hole 2 is provided with, for installing armature spindle at the center of rotor punching body 1.Rotor punching body 1 is uniformly distributed circumferentially the magnet steel groove in three-legged structure, for the location and installation of magnet steel, as shown in Figure 1, in the present embodiment, rotor punching body 1 is uniformly distributed circumferentially 12 magnet steel grooves in three-legged structure, and each magnet steel groove is made up of a magnet steel groove I 3 and two magnet steel grooves II 4, two V-shaped arrangements of magnet steel groove II 4 in each magnet steel groove and V-type point point to rotor punching body 1 center, magnet steel groove I 3 is arranged at the V-shape opening part of two magnet steel grooves II 4, two magnet steel grooves II 4 and magnet steel groove I 3 are independently and mutually contactless, contactless three-legged structure steel tank design like this, the use of magnet steel can be reduced, and ensure sufficiently high air gap flux density.Angle between two magnet steel grooves II 4 in each magnet steel groove is 75 °.The region of rotor punching body 1 between axis hole 2 and magnet steel groove offers the rivet hole 5 of annular spread, the quantity of rivet hole 5 can be 12,6 or 3, in the present embodiment, the quantity of rivet hole 5 is consistent with the magnet steel groove quantity in three-legged structure on rotor punching body 1,12 equally, and be distributed on rotor punching body 1 according to the mode of Fig. 1, ensure rivet hole 5 when distributing and magnet steel groove be evenly staggered, multiple tacking nail 5 is adopted to be distributed on rotor punching body 1, for when making rotor core, when rotor punching laminates, riveted joint is used.
The built-in permanent magnet motor rotor punching of the utility model embodiment, by being uniformly distributed circumferentially the magnet steel groove in three-legged structure on rotor punching body 1, compare the flute profile arrangement of the punching of " one " word structure and " V word " structure punching employing, the air gap flux density of permagnetic synchronous motor can be made to be significantly improved, compare the punching of " one " word structure and " V word " structure punching, the utility model can obtain higher air gap flux density when magnet steel consumption is identical, and the structure of this built-in permanent magnet motor rotor punching is simple, convenient making, can be cost-saving, ensure the safe operation of motor.This built-in permanent magnet motor rotor punching in use, is got many groups rotor punching of the present utility model and is overlapped together, for the rotor making magneto.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.

Claims (6)

1. a built-in permanent magnet motor rotor punching, it is characterized in that, comprise rotor punching body (1), axis hole (2) is provided with at the center of rotor punching body (1), described rotor punching body (1) is uniformly distributed circumferentially the magnet steel groove in three-legged structure, each magnet steel groove is made up of a magnet steel groove I (3) and two magnet steel grooves II (4), the V-shaped arrangement of two magnet steel grooves II (4) in each magnet steel groove and V-type point point to rotor punching body (1) center, magnet steel groove I (3) is arranged at the V-shape opening part of two magnet steel grooves II (4), two magnet steel grooves II (4) and magnet steel groove I (3) are independently and mutually contactless.
2. a kind of built-in permanent magnet motor rotor punching according to claim 1, is characterized in that, the described region of rotor punching body (1) between axis hole (2) and magnet steel groove offers the rivet hole (5) of annular spread.
3. a kind of built-in permanent magnet motor rotor punching according to claim 2, is characterized in that, the quantity of the magnet steel groove that described rotor punching body (1) is uniformly distributed circumferentially in three-legged structure is 12.
4., according to the arbitrary described a kind of built-in permanent magnet motor rotor punching of claim 3, it is characterized in that, the quantity of described rivet hole (5) is 12,6 or 3.
5. a kind of built-in permanent magnet motor rotor punching according to claim 1, is characterized in that, the angle α between two the magnet steel grooves II (4) in each magnet steel groove is 75 °.
6. a kind of built-in permanent magnet motor rotor punching according to claim 1, is characterized in that, described rotor punching body (1) is rounded.
CN201520544639.6U 2015-07-24 2015-07-24 Built -in permanent -magnet machine rotor punching Expired - Fee Related CN204992999U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520544639.6U CN204992999U (en) 2015-07-24 2015-07-24 Built -in permanent -magnet machine rotor punching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520544639.6U CN204992999U (en) 2015-07-24 2015-07-24 Built -in permanent -magnet machine rotor punching

Publications (1)

Publication Number Publication Date
CN204992999U true CN204992999U (en) 2016-01-20

Family

ID=55127323

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520544639.6U Expired - Fee Related CN204992999U (en) 2015-07-24 2015-07-24 Built -in permanent -magnet machine rotor punching

Country Status (1)

Country Link
CN (1) CN204992999U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019174328A1 (en) * 2018-03-16 2019-09-19 珠海格力电器股份有限公司 Rotor structure and motor having same
EP3767796A4 (en) * 2018-03-16 2021-04-28 Gree Electric Appliances, Inc. of Zhuhai Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019174328A1 (en) * 2018-03-16 2019-09-19 珠海格力电器股份有限公司 Rotor structure and motor having same
EP3767796A4 (en) * 2018-03-16 2021-04-28 Gree Electric Appliances, Inc. of Zhuhai Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric vehicle

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

Granted publication date: 20160120

Termination date: 20180724