CN206850546U - A kind of compact asynchronous starting permagnetic synchronous motor segmented rotor structure - Google Patents

A kind of compact asynchronous starting permagnetic synchronous motor segmented rotor structure Download PDF

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Publication number
CN206850546U
CN206850546U CN201720748239.6U CN201720748239U CN206850546U CN 206850546 U CN206850546 U CN 206850546U CN 201720748239 U CN201720748239 U CN 201720748239U CN 206850546 U CN206850546 U CN 206850546U
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China
Prior art keywords
magnetic links
notch
rotor
installation notch
motor
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CN201720748239.6U
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曹岐
李明
钱伟
张丽
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CHINA AEROSPACE SCIENCE AND INDUSTRY GROUP SHANGHAI PUDONG DEVELOPMENT CENTER
Jiangsu Aerospace Power Electric Co Ltd
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CHINA AEROSPACE SCIENCE AND INDUSTRY GROUP SHANGHAI PUDONG DEVELOPMENT CENTER
Jiangsu Aerospace Power Electric Co Ltd
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Abstract

It the utility model is related to compact asynchronous starting permagnetic synchronous motor segmented rotor structure, including for the rotor core in motor, rotor core is from top to bottom divided into 6 sections, every section is formed by stacking by 80 rotor punchings, the position of the mutual embedded groove that turns clockwise of adjacent two sections, left magnetic links installation notch and right magnetic links installation notch are offered on rotor punching, segmentation magnetic links are inlaid with left magnetic links installation notch and right magnetic links installation notch, offered on rotor punching and hole is fixedly mounted, hole is fixedly mounted and is located at a left side, between right magnetic links installation notch and embedded groove.A kind of compact asynchronous starting permagnetic synchronous motor segmented rotor structure of the present utility model, the motor possesses higher performance, needing not worry about the core loss of motor excessive causes motor temperature rise too high, the insulation of stator coil is influenceed, teeth groove harmonic wave is weakened in certain degree, reduces cogging torque and torque pulsation inhibited.

Description

A kind of compact asynchronous starting permagnetic synchronous motor segmented rotor structure
Technical field
The field of electronics rotor structure is the utility model is related to, especially a kind of compact asynchronous starting permagnetic synchronous motor Segmented rotor structure.
Background technology
Explosive growth is presented to the demand of electric energy in the continuous development of society and the progress of science and technology, daily life. Electrical energy production mode main at present is that non-renewable resources are converted into electric energy, such as thermal power generation.Meanwhile bring numerous rings Border problem, such as acid rain, arid, greenhouse effects.In order to solve the negative issue that social fast development is brought, the high-performance of motor Serve indirectly or directly considerable effect.Motor is as device driver system, the excellent direct relation of its performance To the service condition of energy.
Wherein, permagnetic synchronous motor is different from common electric machine:On the one hand, it instead of coiling electricity with magnetic links above rotor Excitation so that motor overall structure is simple, with having the characteristics of in light weight compared with power motor;On the other hand, permanent-magnet synchronous Motor has good electric property, meets energy-saving and emission-reduction standard.Present document relates to invention, the system based on threephase asynchronous machine Make, study and design the segmented rotor structure of the asynchronous starting permagnetic synchronous motor with self-starting function.
Utility model content
The technical problems to be solved in the utility model is:In order to overcome it is above-mentioned present in problem, there is provided a kind of compact Asynchronous starting permagnetic synchronous motor segmented rotor structure, its design structure is reasonable and can weaken tooth in certain degree Slot harmonic, reduce cogging torque and torque pulsation inhibited.
Technical scheme is used by the utility model solves its technical problem:A kind of compact asynchronous starting permanent-magnet synchronous Motor sectional rotor structure, including for the rotor core in motor, axle on the outer circumference surface of described rotor core To several embedded grooves are offered, the squirrel-cage bar for realizing electric motor starting performance is inlaid with embedded groove, the two of rotor core Rotor front end-plate and rotor end plate are separately installed with end, described rotor core is from top to bottom divided into 6 sections, and every section by 80 Individual rotor punching is formed by stacking, the position of adjacent two sections of embedded grooves that turn clockwise between each other, the punching of described rotor Offered on piece it is symmetrical be used to improve the left magnetic links installation notch of motor gas-gap waveform and right magnetic links installation notch, There is spacing, left magnetic links mounting groove between the both ends of the surface of the both ends of the surface of left magnetic links installation notch and right magnetic links installation notch The segmentation magnetic links for improving motor cogging torque harmony wave action are inlaid with mouth and right magnetic links installation notch, it is described The fixed installation hole for realizing mechanical performance is offered on rotor punching, hole is fixedly mounted and is located at left and right magnetic links mounting groove Between mouth and embedded groove.
In order to realize the good startability of the species motor, described squirrel-cage bar uses the copper bar of brass material.
Described left magnetic links installation notch and right magnetic links installation notch are connected by the first notch and with the first notch Logical the second notch composition, the first notch and the mutual split formation of the second notch ">" structure, have on the one end of the first notch The first Origuchi to extend internally, there is the second Origuchi to extend internally, the first Origuchi and second on the other end of the second notch The symmetrical setting of Origuchi, the first Origuchi and the second Origuchi can coordinate install segmentation magnetic links when being capable of spacing segmentation magnet steel Piece.
The beneficial effects of the utility model are a kind of compact asynchronous starting permagnetic synchronous motor segmentations of the present utility model Rotor structure, using the rotor structure of this design, the subsidiary squirrel-cage bar of design rotor, omit frequency conversion starter, realize motor from Startup function;Design rotor magnetic steel piece installation notch, harmonic wave in the structural improvement of rotor air gap so that air gap waveform under operating mode It is similar to sinusoidal waveform;Design segmentation magnetic links, reduce teeth groove harmonic wave and pulsation, improve motor performance, in protection rotor While middle magnetic links demagnetization phenomenon, extend the service life of motor;The motor possesses higher performance, it is not necessary to worries motor The excessive insulation for causing motor temperature rise too high, influenceing stator coil of core loss, it is humorous in certain degree to weaken teeth groove Ripple, reduce cogging torque and torque pulsation inhibited.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of rotor punching of the present utility model;
Fig. 3 is the structural representation of left magnetic links installation notch of the present utility model and right magnetic links installation notch;
Fig. 4 is the structural representation of the first rotor iron core of the present utility model;
Fig. 5 is the structural representation of the second rotor core of the present utility model;
Fig. 6 is the structural representation of third trochanter iron core of the present utility model;
Fig. 7 is the structural representation of fourth trochanter iron core of the present utility model;
Fig. 8 is the structural representation of the 5th rotor core of the present utility model;
Fig. 9 is the structural representation of the 6th rotor core of the present utility model.
1. rotor core in figure, 2. squirrel-cage bars, 3. rotor front end-plates, 4. rotor end plates, 5. rotor punchings, 51. left magnetic Steel disc installation notch, 52. right magnetic links installation notch, 53. first notches, the Origuchis of 53-1. first, 54. second notches, 54-1. Second Origuchi, 6. segmentation magnetic links, 7. are fixedly mounted hole.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram, Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
Compact asynchronous starting permagnetic synchronous motor segmented rotor structure as depicted in figs. 1 and 2, including for installed in Rotor core 1 in motor, several embedded grooves are axially offered on the outer circumference surface of rotor core 1, are inlaid with embedded groove For realizing the squirrel-cage bar 2 of electric motor starting performance, squirrel-cage bar 2 uses the copper bar of brass material, divided on the both ends of rotor core 1 Rotor front end-plate 3 and rotor end plate 4 are not installed, rotor core 1 is from top to bottom divided into 6 sections, and every section by 80 rotor punchings 5 It is formed by stacking, adjacent two sections of positions of an embedded groove of turning clockwise between each other, it is mutually right to be offered on rotor punching 5 What is claimed is used to improve the left magnetic links installation notch 51 of motor gas-gap waveform and right magnetic links installation notch 52, left magnetic links installation There is spacing, left magnetic links installation notch 51 and the right side between the both ends of the surface of the both ends of the surface of notch 51 and right magnetic links installation notch 52 The segmentation magnetic links 6 for improving motor cogging torque harmony wave action, rotor punching 5 are inlaid with magnetic links installation notch 52 On offer fixed installation hole 7 for realizing mechanical performance, hole 7 is fixedly mounted and is located at left and right magnetic links installation notch 51,52 Between embedded groove.
Compact asynchronous starting permagnetic synchronous motor segmented rotor structure as shown in Figure 3, left magnetic links installation notch 51 Formed with right magnetic links installation notch 52 by the first notch 53 and the second notch 54 being connected with the first notch 53, the first groove Mouthfuls 53 and the 54 mutual split of the second notch formed ">" structure, there is on the one end of the first notch 53 the first folding to extend internally Mouthful 53-1, there is the second the Origuchi 54-1, the first Origuchi 53-1 and the second folding to extend internally on the other end of the second notch 54 The mouth symmetrical settings of 54-1.
Compact asynchronous starting permagnetic synchronous motor segmented rotor structure as shown in Fig. 4~9, as shown in figure 4, will segmentation Magnetic links 6 insert in left and right magnetic links installation notch 51,52 first paragraph for forming rotor core 1;As shown in figure 5, magnetic will be segmented Steel disc 6 inserts in left and right magnetic links installation notch 51,52 second segment for forming rotor core 1, and second segment is suitable with respect to first paragraph Hour hands rotate the position of an embedded groove;As shown in fig. 6, segmentation magnetic links 6 are inserted into left and right magnetic links installation notch 51,52 Interior form rotor core 1 the 3rd section, the 3rd section of relative second segment, the position for the embedded groove that turns clockwise;Such as Fig. 7 institutes Show, magnetic links 6 will be segmented and insert interior form rotor core 1 the 4th section of left and right magnetic links installation notch 51,52, the 4th section of phase To the 3rd section, the position for the embedded groove that turns clockwise;Pacify as shown in figure 8, segmentation magnetic links 6 are inserted into left and right magnetic links The 5th section of rotor core 1 is formed in tankage mouth 51,52, the 5th section relative 4th section, the position for the embedded groove that turns clockwise Put;The 6th of rotor core 1 is formed in left and right magnetic links installation notch 51,52 as shown in figure 9, magnetic links 6 will be segmented and inserted Section, the 6th section relative 5th section, the position for the embedded groove that turns clockwise, the magnetic links demagnetization phenomenon in rotor is protected While, extend the service life of motor;The motor possesses higher performance, it is not necessary to worries that the core loss of motor is excessive and leads Cause motor temperature rise too high, influence the insulation of stator coil, it is in the design process, soft by Electromagnetic Simulations such as AnsoftMaxwell Part and actual processing, demonstrate the feasibility and validity of the program.
The present invention compact asynchronous starting permagnetic synchronous motor segmented rotor structure, first, combine actual production and Design experiences, utilize biological evolution algorithm algorithm, the size of each critical piece of primary Calculation motor;Secondly, based on more physics Field domain, such as temperature field, fluid field, electromagnetic field, carry out coupling calculating using electromagnetic finite meta software and optimize motor, confirm motor Electromagnetic design and mechanical structure.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right Property scope.

Claims (3)

1. a kind of compact asynchronous starting permagnetic synchronous motor segmented rotor structure, it is characterized in that:Including for installed in motor Interior rotor core (1), axially offers several embedded grooves on the outer circumference surface of described rotor core (1), in embedded groove The squirrel-cage bar (2) for realizing electric motor starting performance is inlaid with, rotor front end is separately installed with the both ends of rotor core (1) Plate (3) and rotor end plate (4), described rotor core (1) are from top to bottom divided into 6 sections, and every section folded by 80 rotor punchings (5) Conjunction forms, and the position of adjacent two sections of embedded grooves that turn clockwise between each other, described rotor punching offers on (5) The symmetrical left magnetic links installation notch (51) and the right magnetic links installation notch (52) that are used to improve motor gas-gap waveform, it is left There are spacing, left magnetic links between the both ends of the surface of the both ends of the surface of magnetic links installation notch (51) and right magnetic links installation notch (52) Point for improving motor cogging torque harmony wave action is inlaid with installation notch (51) and right magnetic links installation notch (52) Section magnetic links (6), the fixed installation hole (7) for realizing mechanical performance is offered on described rotor punching (5), be fixedly mounted Hole (7) is located at left and right magnetic links installation notch (51,52) between embedded groove.
2. a kind of compact asynchronous starting permagnetic synchronous motor segmented rotor structure according to claim 1, it is characterized in that: Described squirrel-cage bar (2) uses the copper bar of brass material.
3. a kind of compact asynchronous starting permagnetic synchronous motor segmented rotor structure according to claim 1, it is characterized in that: Described left magnetic links installation notch (51) and right magnetic links installation notch (52) by the first notch (53) and with the first notch The mutually split formation of the second notch (54) composition (53) being connected, the first notch (53) and the second notch (54) ">" structure, the There is the first Origuchi (53-1) to extend internally on the one end of one notch (53), have on the other end of the second notch (54) The second Origuchi (54-1) to extend internally, the first Origuchi (53-1) and the second Origuchi (54-1) symmetrical setting.
CN201720748239.6U 2017-06-23 2017-06-23 A kind of compact asynchronous starting permagnetic synchronous motor segmented rotor structure Active CN206850546U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107086688A (en) * 2017-06-23 2017-08-22 江苏航天动力机电有限公司 Compact asynchronous starting permagnetic synchronous motor segmented rotor structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107086688A (en) * 2017-06-23 2017-08-22 江苏航天动力机电有限公司 Compact asynchronous starting permagnetic synchronous motor segmented rotor structure

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