CN206023400U - A kind of motor rotor construction without isolation magnetic bridge - Google Patents
A kind of motor rotor construction without isolation magnetic bridge Download PDFInfo
- Publication number
- CN206023400U CN206023400U CN201620866996.9U CN201620866996U CN206023400U CN 206023400 U CN206023400 U CN 206023400U CN 201620866996 U CN201620866996 U CN 201620866996U CN 206023400 U CN206023400 U CN 206023400U
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- rotor
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- motor
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a kind of motor rotor construction without isolation magnetic bridge, including motor shaft；Rotor, is placed on motor shaft；The lateral surface of rotor opens up rotor punching opening along its center line, and every a pair of rotor punchings opening has two；A permanent magnet trough is opened up in each rotor punching opening, and also opens up one between two permanent magnet troughs every magnetic air groove.Some to reinforcement, along rotor centerline direction through electronics rotor edge；Every a pair of reinforcements are located between the two rotor punching openings per a pair.Two magnetic isolation plates, two magnetic isolation plates are fixedly connected on the rotor two ends, and the center line of two magnetic isolation plates is overlapped with the center line of the rotor.Using the utility model, played a supporting role by the reinforcement through whole rotor, enhance the magnetic flux of main flux；Magnetic isolation plate axially plays a part of position constraint；Rotor punching opening has 2 points of practical functions, one to guide magnetic flux, its two mitigations motor weight.
Description
Technical field
The utility model is related to a kind of structure of rotor, more particularly to a kind of new-energy automobile is without every magnetic bridge
The structure of rotor.
Background technology
Motor provides power for electric automobile, in order to meet the particular/special requirement of electric automobile driving, while being limited to
Car engine storehouse space, motor should have high power density, the characteristics of high torque density, pacify inside electric automobile be met
It is filled with and electric automobile quickly starts, climbable gradient etc. is required.
For meeting the higher detent torque of electric automobile needs this requirement, the car load enterprise of overwhelming majority of countries is using interior
Driving power source of the embedded permagnetic synchronous motor as electric automobile, its advantage are that there is higher operational efficiency, and higher turns
Square density, its torque versus have certain features in surface-mount type motor, are divided into two parts：First permanent magnet produce magnetic linkage with
The permanent-magnet torque Te1 produced after the effect of stator current torque component, which two causes stator current to encourage for the anti-salient-pole structure of rotor
Reluctance torque Te2 that magnetic component and torque component are produced, it is seen that the size of the magnetic linkage that permanent magnet is produced motor torque is played to
Important effect is closed, therefore in electric machine rotor design, as far as possible to increase permanent magnet flux linkage as purpose of design, torque can be improved close
Degree.
Utility model content
The purpose of this utility model is to provide a kind of built-in electric machine rotor structure of nothing every magnetic bridge, to solve new forms of energy
Performance requirement of the automobile to motor.In the case where motor quality is reduced, increase magnetic flux, improve permanent magnet flux linkage, come
Improve torque density.
To achieve these goals, the technical scheme that the utility model is taken is：
A kind of motor rotor construction without isolation magnetic bridge, wherein, including：One motor shaft, a rotor, the motor turn
Sub-set is on the motor shaft；The lateral surface of the rotor opens up some rotors to circumference array along its centerline direction
Punching opening, is two per rotor punching opening described in a pair；One is opened up in each described rotor punching opening per a pair
Individual permanent magnet trough, and per also opening up one described in two in rotor punching opening described in a pair between permanent magnet trough every magnetic air
Groove；Some to reinforcement, some to reinforcement along the rotor centerline direction circumferentially array through the electricity
The outer rim of machine rotor；It is located at described in per a pair two between rotor punching opening per reinforcement described in a pair, meanwhile, add per a pair
Strong muscle is two；Two magnetic isolation plates, magnetic isolation plate described in two are fixedly connected on the rotor two ends, and magnetic isolation plate described in two
Center line is overlapped with the center line of the rotor.
A kind of above-mentioned motor rotor construction without isolation magnetic bridge, wherein, the rotor is built up by some rotor punchings.
A kind of above-mentioned motor rotor construction without isolation magnetic bridge, wherein, is placed with a magnet steel per the permanent magnet trough.
A kind of above-mentioned motor rotor construction without isolation magnetic bridge, wherein, exposes two ends per the reinforcement and is respectively fitted with
One nut.
A kind of above-mentioned motor rotor construction without isolation magnetic bridge, wherein, is equipped with a counterweight spiral shell per the reinforcement two ends
Female.
A kind of above-mentioned motor rotor construction without isolation magnetic bridge, wherein, the material of magnetic isolation plate described in two can adopt copper coin or
Person's aluminium sheet, and magnetic isolation plate described in two is effectively axially playing a part of position constraint.
Above-mentioned technology compared with prior art with good effect be：
1st, by the supporting role of the reinforcement through whole rotor, it is ensured that rotor punching and magnet steel are transported in rotor
Intensity requirement when dynamic, while in turn ensure that the generation of Min. leakage field phenomenon, enhances the magnetic flux of main flux.
2nd, by the use of magnetic isolation plate, effectively axially playing a part of position constraint.
3rd, the use having by rotor punching opening, not only acts as guiding magnetic flux, and effectively mitigates motor body weight
Amount, plays a part of energy-conservation.
4th, by the utility model, motor torque density can be improved to greatest extent on the basis of traditional design, full
The startup of sufficient electric automobile, driving etc. are complicated to be required.
Description of the drawings
A kind of Fig. 1 sectional views of an angle of the motor rotor construction without isolation magnetic bridge of the present utility model；
Fig. 2 is a kind of sectional view of another angle of motor rotor construction without isolation magnetic bridge of the present utility model；
Fig. 3 is a kind of overview of motor rotor construction without isolation magnetic bridge of the present utility model；
1, reinforcement in accompanying drawing；2nd, rotor；3rd, magnet steel；4th, nut；5th, motor shaft；
6th, permanent magnet trough；7th, magnetic isolation plate；8th, rotor punching opening；9th, every magnetic air groove.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as of the present utility model
Limit.
Fig. 1 is an a kind of angle sectional view of the motor rotor construction without isolation magnetic bridge, and Fig. 2 is one kind of the present utility model
The sectional view of another angle of the motor rotor construction without isolation magnetic bridge, Fig. 3 are of the present utility model a kind of without isolation magnetic bridge
The overview of motor rotor construction.Refer to shown in Fig. 1 to Fig. 3.In a kind of preferred embodiment, show a kind of without every
From the motor rotor construction of magnetic bridge, include：One motor shaft 5 and a rotor 2, the rotor 2 are placed on motor shaft 5.
The lateral surface of rotor 2 is opened up along the centerline direction of electronics rotor 2 and some is turned to doing circumference array along centerline direction
Sub- punching opening 8, opens up a permanent magnet trough 6 in each rotor punching opening 8 per a pair, and every a pair of rotor punchings is opened
One is also opened up every magnetic air groove 9 between permanent magnet trough 6 described in mouth 8 two.
Further, continuing with some to reinforcement 1 referring to, shown in Fig. 1 to Fig. 3, showing, some to reinforcement 1 along electricity
The centerline direction of machine rotor 2 circumferentially outer rim of the array through rotor 2；And every a pair of reinforcements 1 are located at each
To two rotor punching openings 8 between, meanwhile, every a pair of reinforcements 1 be two.During actual installation reinforcement 1, make plus
Strong muscle 1 is placed under 2 edge of rotor, and reinforcement 1 is in 2 two ends exposed portion of rotor.
Further, continuing with referring to shown in Fig. 1 to Fig. 3, showing that two magnetic isolation plates 7, two magnetic isolation plates 7 are fixedly connected on electricity
2 two ends of machine rotor, and the center line of two magnetic isolation plates 7 overlapped with the center line of rotor 2.
The foregoing is only the utility model preferred embodiment, not thereby limit embodiment of the present utility model and
Protection domain.
Further, continuing with referring to shown in Fig. 1 to Fig. 3, showing rotor 2 by some rotor punchings（In figure not
Illustrate）Build up.
Further, continuing with referring to shown in Fig. 1 to Fig. 3, showing that each permanent magnet trough 6 is placed with some magnet steel 3.
Further, continuing with referring to shown in Fig. 1 to Fig. 3, showing that each reinforcement 1 exposes two ends and be respectively fitted with one
Nut 4.
Further, continuing with referring to shown in Fig. 1 to Fig. 3, showing that 1 two ends of each reinforcement are equipped with a counterweight nut
（Not shown in figure）.
Further, the material of magnetic isolation plate can adopt copper coin or aluminium sheet, effectively in the work for axially playing position constraint
With.
Present specification cancel in IPM synchronous motor traditional design every magnetic bridge structure, for rotor forever
Magnet part, is provided with two reinforcements through whole rotor, and the two ends processing screw thread of reinforcement 1 turns through motor
Pinned with nut at two ends after son, leave surplus in terms of length, convenient add when rotor dynamic balancing is done or
Weight bolt is reduced, and magnetic isolation plate is equipped with two ends of rotor, in rotor punching part, permanent magnet trough array arrangement.
The foregoing is only the utility model preferred embodiment, not thereby limit embodiment of the present utility model and
Protection domain.
Claims (6)
1. a kind of without the motor rotor construction for isolating magnetic bridge, it is characterised in that to include：
One motor shaft；
One rotor, the rotor are placed on the motor shaft；The lateral surface of the rotor is along its center line side
To some rotor punching openings to circumference array are opened up, it is two per rotor punching opening described in a pair；Meanwhile, per a pair
Open up a permanent magnet trough in each rotor punching opening, and per described in two in rotor punching opening described in a pair forever
One is also opened up between magnet slot every magnetic air groove；
Some to reinforcement, some to the reinforcement along the rotor centerline direction circumferentially array through institute
The outer rim of rotor is stated, and is located at described in per a pair two between rotor punching opening per reinforcement described in a pair, meanwhile,
It is two per reinforcement described in a pair；
Two magnetic isolation plates, magnetic isolation plate described in two are fixedly connected on the rotor two ends, and the center line of magnetic isolation plate described in two
Overlap with the center line of the rotor.
2. according to claim 1 a kind of without isolation magnetic bridge motor rotor construction, it is characterised in that the rotor by
Some rotor punchings build up.
3. a kind of without the motor rotor construction for isolating magnetic bridge according to claim 1, it is characterised in that each permanent magnet
Groove is placed with a magnet steel.
4. a kind of without the motor rotor construction for isolating magnetic bridge according to claim 1, it is characterised in that each reinforcement
The two ends that exposes relative to the rotor are respectively fitted with a nut.
5. a kind of without the motor rotor construction for isolating magnetic bridge according to claim 1, it is characterised in that each reinforcement
The two ends that exposes relative to the rotor are equipped with a counterweight nut.
6. a kind of without the motor rotor construction for isolating magnetic bridge according to claim 1, it is characterised in that magnetic isolation plate described in two
Material can adopt copper coin or aluminium sheet, and magnetic isolation plate described in two is effectively axially playing a part of position constraint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620866996.9U CN206023400U (en) | 2016-08-11 | 2016-08-11 | A kind of motor rotor construction without isolation magnetic bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620866996.9U CN206023400U (en) | 2016-08-11 | 2016-08-11 | A kind of motor rotor construction without isolation magnetic bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206023400U true CN206023400U (en) | 2017-03-15 |
Family
ID=58247514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620866996.9U Active CN206023400U (en) | 2016-08-11 | 2016-08-11 | A kind of motor rotor construction without isolation magnetic bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206023400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404164A (en) * | 2017-09-11 | 2017-11-28 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of air-conditioning, compressor, rotor assembly and rotor core |
-
2016
- 2016-08-11 CN CN201620866996.9U patent/CN206023400U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404164A (en) * | 2017-09-11 | 2017-11-28 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of air-conditioning, compressor, rotor assembly and rotor core |
| CN107404164B (en) * | 2017-09-11 | 2023-09-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Air conditioner, compressor, rotor assembly and rotor core |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |