CN108599421A - Rotor punching, skewed pole rotor and motor - Google Patents
Rotor punching, skewed pole rotor and motor Download PDFInfo
- Publication number
- CN108599421A CN108599421A CN201810628743.1A CN201810628743A CN108599421A CN 108599421 A CN108599421 A CN 108599421A CN 201810628743 A CN201810628743 A CN 201810628743A CN 108599421 A CN108599421 A CN 108599421A
- Authority
- CN
- China
- Prior art keywords
- segmentation
- rotor
- magnetic slot
- rotor punching
- magnetic
- 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.)
- Pending
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Classifications
-
- 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
- H02K1/27—Rotor cores with permanent magnets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of rotor punching, skewed pole rotor and motors, the rotor punching is equipped with along its circumferentially spaced multiple magnetic slot, each magnetic slot, which is divided into, to be mutually parallel and multiple segmentations that width is equal, multiple segmentations in each magnetic slot are distributed in staged, and magnet steel is both provided in the segmentation of each of described each magnetic slot.The present invention can make poles oblique certain angle, and then can reduce motor cogging torque, reduce the loss of electric machine, improve electric efficiency；Slot ripples can be reduced simultaneously, torque ripple is reduced, to reduce the vibration noise of motor.
Description
Technical field
The present invention relates to technical field of motors, more particularly to a kind of rotor punching, skewed pole rotor and motor.
Background technology
Rotor core used in existing motor no matter how many number of pole-pairs, the magnetic slot on rotor core is all symmetrical
（I.e. "-" type is distributed）, cause motor cogging torque larger, the loss of electric machine made to increased, efficiency decreases；But also meeting
Keep torque ripple big, influences the vibration noise of motor；And keep relative difficulty in frequency converter matching process larger, and more difficult hair
Wave frequency converter effect.
Invention content
To solve the problems, such as that existing motor cogging torque is big, a kind of rotor punching of present invention offer, skewed pole rotor and motor.
The technical scheme is that：A kind of rotor punching is provided, the rotor punching is equipped with along its circumferentially-spaced cloth
The multiple magnetic slots set, each magnetic slot, which is divided into, to be mutually parallel and multiple segmentations that width is equal, each magnetic slot
In multiple segmentations in staged be distributed, described each magnetic slot each of be segmented in be both provided with magnet steel.
There is spacing between two neighboring segmentation in each magnetic slot.
It is connection between two neighboring segmentation in each magnetic slot.
Each of described each magnetic slot is segmented the projection radially in the rotor punching with each piecewise-parallel
Non-overlapping copies.
The segmentation of each of described each magnetic slot is elongated.
Number of fragments in each magnetic slot is 2 to 5.
Number of fragments in each magnetic slot is 3, the respectively first segmentation, the second segmentation and third segmentation, institute
Stating has height difference H 1 between the first segmentation and the second segmentation, have height difference H 2 between second segmentation and third segmentation,
H1 is equal or unequal with H2.
The outer rim of the rotor punching is formed with multiple grooves, and the quantity of groove is identical as the quantity of magnetic slot, each recessed
Slot is located relatively between two neighboring magnetic slot.
The present invention also provides a kind of skewed pole rotor, including rotor core, the rotor core include be stacked it is more
A rotor punching, the rotor punching are rotor punching described above.
The present invention also provides a kind of motors, including skewed pole rotor described above.
The present invention can make poles oblique certain angle, and then can reduce motor cogging torque, reduce the loss of electric machine, carry
High electric efficiency；Slot ripples can be reduced simultaneously, torque ripple is reduced, to reduce the vibration noise of motor.
Description of the drawings
Fig. 1 is the structure chart of rotor punching in the first embodiment of the invention.
Fig. 2 is the structure chart of rotor punching in second of embodiment of the invention.
Fig. 3 is the structure chart of rotor punching in the third embodiment of the invention.
Specific implementation mode
As shown in Figure 1, the rotor punching proposed in the first embodiment of the invention, the rotor punching 10 can be applied to tiltedly
In the rotor of pole, rotor number of poles is unlimited.
The centre of rotor punching 10 is equipped with the axis hole 11 passed through for axis.It is additionally provided on rotor punching 10 along its circumferentially-spaced cloth
The multiple magnetic slots 14 set, multiple magnetic slots 14 are to be evenly arranged and close to the outer rim of rotor punching 10, magnetic slot 14 is for pacifying
Fill magnet steel.Magnetic slot 14 there are six being set in the present embodiment, on rotor punching.
The outer rim of rotor punching is formed with multiple grooves 12, and the quantity of groove 12 is identical as the quantity of magnetic slot 14, each
Groove 12 is located relatively between two neighboring magnetic slot 14.
Multiple through-holes 13 along its circumferential uniform intervals arrangement are additionally provided on rotor punching, multiple through-holes 13 are located at axis hole 11
In 14 forming region of multiple magnetic slots.Through-hole there are six being set in the present embodiment, on rotor punching.
Each magnetic slot 14 is divided into multiple segmentations, and multiple segmentations in each magnetic slot are mutually parallel and width phase
Deng being both provided with magnet steel in each segmentation.The length being each segmented is unlimited, and the length of multiple segmentations can be equal, can not also
It is equal.
In the present embodiment, the segmentation of each of each magnetic slot is elongated, and the segmentation of each of each magnetic slot exists
With the projection non-overlapping copies radially of the rotor punching of each piecewise-parallel.
Number of fragments in each magnetic slot is 2 to 5, can be configured according to loading demand.Each magnetic slot
Multiple segmentations in 14 are distributed in staged, and in the present embodiment, the number of fragments in each magnetic slot 14 is 3, and respectively the
One the 141, second segmentation 142 of segmentation and third segmentation 143.First the 141, second segmentation 142 of segmentation and third segmentation 142 form rank
Scalariform, the second segmentation 142 can make poles oblique in this way higher than the first segmentation 141, third segmentation 143 higher than the second segmentation 142
Certain angle, and then motor cogging torque can be reduced, the loss of electric machine is reduced, electric efficiency is improved；It is humorous tooth can be reduced simultaneously
Wave reduces torque ripple, to reduce the vibration noise of motor.In addition, also reducing the difficulty in frequency converter matching process, make
Frequency converter plays its effect.
There is height difference H 1, between the second segmentation 142 and third segmentation 143 between first segmentation 141 and the second segmentation 142
With height difference H 2, H1 is equal or unequal with H2.The numerical values recited of H1, H2, need to be according to rotor diameter size and oblique pole
Inclined total angle is configured.
There is spacing, the two neighboring segmentation in certainly each magnetic slot between two neighboring segmentation in each magnetic slot
Between can also be connection.In the present embodiment, the first segmentation 141 is connected to the second segmentation 142, the second segmentation 142 and third
143 connection of segmentation.
As shown in Fig. 2, second embodiment with the first embodiment the difference is that：First segmentation 141 and second
The size of height difference H 1 between segmentation 142 is different from the first embodiment, between the second segmentation 142 and third segmentation 143
Height difference H 2 size it is different from the first embodiment.
As shown in figure 3, the third embodiment and the first embodiment the difference is that：In the third embodiment, often
Number of fragments in a magnetic slot is 2, the respectively first segmentation 141 and the second segmentation 142.
The present invention also proposes that a kind of skewed pole rotor, including rotor core, rotor core include multiple turns to be stacked
Sub- punching, the rotor punching are the rotor punching in above-mentioned three kinds of embodiments.
The present invention also proposes that a kind of motor, including above-mentioned skewed pole rotor, motor can be synchronous motor.
Above specific embodiment is only to the design illustrated the present invention, and those skilled in the art are in this hair
Various deformation and variation can be made under bright design, these deformations and variation are included within protection scope of the present invention.
Claims (10)
1. a kind of rotor punching, the rotor punching（10）It is equipped with along its circumferentially spaced multiple magnetic slot（14）,
It is characterized in that, each magnetic slot（14）It is divided into and is mutually parallel and multiple segmentations that width is equal, each magnetic slot
（14）In multiple segmentations in staged be distributed, each magnetic slot（14）Each of segmentation in be both provided with magnet steel
（20）.
2. rotor punching according to claim 1, which is characterized in that each magnetic slot（14）In two neighboring point
There is spacing between section.
3. rotor punching according to claim 1, which is characterized in that each magnetic slot（14）In two neighboring point
It is connection between section.
4. rotor punching according to claim 1, which is characterized in that each magnetic slot（14）Each of segmentation exist
With the rotor punching of each piecewise-parallel（10）Projection non-overlapping copies radially.
5. rotor punching according to claim 1, which is characterized in that each magnetic slot（14）Each of segmentation
It is elongated.
6. rotor punching according to any one of claim 1 to 5, which is characterized in that each magnetic slot（14）In
Number of fragments be 2 to 5.
7. rotor punching according to claim 6, which is characterized in that each magnetic slot（14）In number of fragments be
3, the respectively first segmentation（141）, second segmentation（142）It is segmented with third（142）, first segmentation（141）With second
Segmentation（142）Between have height difference H 1, it is described second segmentation（142）It is segmented with third（143）Between have height difference H 2, H1
It is equal or unequal with H2.
8. rotor punching according to claim 1, which is characterized in that the outer rim of the rotor punching is formed with multiple grooves
（12）, the groove（12）Quantity and magnetic slot（14）Quantity it is identical, each groove（12）It is located relatively at two neighboring magnetic
Steel tank（14）Between.
9. a kind of skewed pole rotor, including rotor core, the rotor core includes the multiple rotor punchings being stacked, special
Sign is that the rotor punching is rotor punching described in any item of the claim 1 to 8（10）.
10. a kind of motor, which is characterized in that including the skewed pole rotor described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810628743.1A CN108599421A (en) | 2018-06-19 | 2018-06-19 | Rotor punching, skewed pole rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810628743.1A CN108599421A (en) | 2018-06-19 | 2018-06-19 | Rotor punching, skewed pole rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108599421A true CN108599421A (en) | 2018-09-28 |
Family
ID=63628201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810628743.1A Pending CN108599421A (en) | 2018-06-19 | 2018-06-19 | Rotor punching, skewed pole rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108599421A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467908A (en) * | 2020-11-30 | 2021-03-09 | 安徽美芝精密制造有限公司 | Rotor punching sheet, rotor, motor, compressor and refrigeration equipment |
| CN113489183A (en) * | 2021-07-01 | 2021-10-08 | 河南通宇新源动力有限公司 | Permanent magnet motor rotor punching sheet with self-inclined poles and permanent magnet motor |
| CN113507177A (en) * | 2021-07-03 | 2021-10-15 | 湖州巨人电机有限公司 | Built-in segmented equivalent rotor slant-pole structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447364A (en) * | 2010-10-05 | 2012-05-09 | 株式会社日立制作所 | Permanent magnet rotating motor and compressor using the same |
| CN103915925A (en) * | 2014-04-10 | 2014-07-09 | 西北工业大学 | Rotor structure for permanent magnet synchronous motor with step-shaped permanent magnets |
| CN204886467U (en) * | 2015-08-18 | 2015-12-16 | 重庆凌达压缩机有限公司 | Rotor core and motor of motor |
| CN205791860U (en) * | 2016-07-11 | 2016-12-07 | 江苏金坛绿能新能源科技有限公司 | A kind of rotor structure for permanent magnet motor |
| CN207124501U (en) * | 2017-08-30 | 2018-03-20 | 广东威灵电机制造有限公司 | Rotor core and rotor |
| CN208272733U (en) * | 2018-06-19 | 2018-12-21 | 珠海凌达压缩机有限公司 | Rotor punching, skewed pole rotor and motor |
-
2018
- 2018-06-19 CN CN201810628743.1A patent/CN108599421A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447364A (en) * | 2010-10-05 | 2012-05-09 | 株式会社日立制作所 | Permanent magnet rotating motor and compressor using the same |
| CN103915925A (en) * | 2014-04-10 | 2014-07-09 | 西北工业大学 | Rotor structure for permanent magnet synchronous motor with step-shaped permanent magnets |
| CN204886467U (en) * | 2015-08-18 | 2015-12-16 | 重庆凌达压缩机有限公司 | Rotor core and motor of motor |
| CN205791860U (en) * | 2016-07-11 | 2016-12-07 | 江苏金坛绿能新能源科技有限公司 | A kind of rotor structure for permanent magnet motor |
| CN207124501U (en) * | 2017-08-30 | 2018-03-20 | 广东威灵电机制造有限公司 | Rotor core and rotor |
| CN208272733U (en) * | 2018-06-19 | 2018-12-21 | 珠海凌达压缩机有限公司 | Rotor punching, skewed pole rotor and motor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467908A (en) * | 2020-11-30 | 2021-03-09 | 安徽美芝精密制造有限公司 | Rotor punching sheet, rotor, motor, compressor and refrigeration equipment |
| WO2022110304A1 (en) * | 2020-11-30 | 2022-06-02 | 安徽美芝精密制造有限公司 | Rotor punching sheet, rotor, electric motor, compressor, and refrigeration apparatus |
| CN113489183A (en) * | 2021-07-01 | 2021-10-08 | 河南通宇新源动力有限公司 | Permanent magnet motor rotor punching sheet with self-inclined poles and permanent magnet motor |
| CN113489183B (en) * | 2021-07-01 | 2023-08-29 | 河南通宇新源动力有限公司 | Self-inclined pole permanent magnet motor rotor punching sheet and permanent magnet motor |
| CN113507177A (en) * | 2021-07-03 | 2021-10-15 | 湖州巨人电机有限公司 | Built-in segmented equivalent rotor slant-pole structure |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180928 |