CN104135095A - Motor rotor - Google Patents
Motor rotor Download PDFInfo
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- CN104135095A CN104135095A CN201410353951.7A CN201410353951A CN104135095A CN 104135095 A CN104135095 A CN 104135095A CN 201410353951 A CN201410353951 A CN 201410353951A CN 104135095 A CN104135095 A CN 104135095A
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- improvement
- rotor
- hole
- rotating shaft
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Abstract
The invention provides a motor rotor which comprises a rotating shaft avoiding through hole (1), a plurality of first improvement groups circumferentially arranged on the motor rotor at intervals, and a plurality of second improvement groups circumferentially arranged on the motor rotor at intervals, wherein each first improvement group comprises at least one first improvement structure (10); the first improvement structures (10) are first through holes or first through grooves stretching in an axial direction of the motor rotor; each second improvement group comprises at least one second improvement structure (20); the second improvement structures (20) and the first improvement structures (10) are arranged at intervals; the second improvement structures (20) are second through holes or second through grooves stretching in the axial direction of the motor rotor; and the maximum size of the second improvement structures (20) in a radial direction of the motor rotor is greater than that of the first improvement structures (10) in the radial direction of the motor rotor. The motor rotor has multiple advantages.
Description
Technical field
The present invention relates to technical field of motors, in particular to a kind of rotor.
Background technology
At present, for the performance of lifting motor rotor so that rotor has advantage (reduce and start noise, increase utilance and Life of Punch Die etc.), as shown in Figure 1, on rotor, offer along circumferential spaced improvement structure 10 ', improvement structure 10 ' can be through hole (also claiming closed slot) or the groove extending vertically, this groove can be opened on the outer peripheral face of rotor (being called open slot), also can open in rotating shaft and dodge on the hole wall in hole (being called opening), the improvement structure 10 showing in figure ' be through hole.Owing to improving, structure 10 ' full-size of (the diameter line stretcher of rotor or radius line stretcher) determines the advantage of rotor diametrically, it is different that the different size that footpath makes progress has advantages of rotor, but, the full-size of the improvement in performance structure 10 on current rotor ' is diametrically identical, makes rotor can only have single dominant.
Summary of the invention
The present invention aims to provide a kind of rotor with multiple advantage.
To achieve these goals, the invention provides a kind of rotor, comprise that through hole is dodged in rotating shaft and in spaced a plurality of the first improvement group that makes progress in the week of rotor, the first improvement group comprises at least one first improvement structure, the first improvement structure is axially extended the first through hole or the first groove along rotor, rotor also comprises: in spaced a plurality of the second improvement group that makes progress in the week of rotor, the second improvement group comprises at least one second improvement structure, each second improvement structure and each the first improvement spacing structure setting, the second improvement structure is axially extended the second through hole or the second groove along rotor, the full-size that the second improvement structure makes progress in the footpath of rotor is greater than the full-size that the second improvement structure makes progress in the footpath of rotor.
Further, in the week of rotor, make progress, between two adjacent the second improvement groups, be provided with the first improvement group.
Further, in the week of rotor, make progress, the quantity of the first improvement group between any two adjacent the second improvement groups equates.
Further, in the week of rotor, make progress, the setting of even interval is organized in a plurality of the first improvement and the setting of even interval is organized in a plurality of the second improvement.
Further, first to improve structure be the first through hole, and second to improve structure be the second through hole, and the first through hole and the second through hole be take same annulus as starting point and towards rotating shaft, dodged the Axis Extension of through hole, and annulus is for dodging the annulus centered by the axis of through hole by rotating shaft.
Further, the first improvement structure has the first contraction section shrinking gradually in the direction of dodging through hole extension towards rotating shaft.
Further, the second improvement structure has the second contraction section shrinking gradually in the direction of dodging through hole extension towards rotating shaft.
Further, second improves structure also has the first constant straight-through section of circumferential size in the direction of dodging through hole extension towards rotating shaft, and the second contraction section is dodged between through hole in the first straight-through section and rotating shaft.
Further, the second improvement structure also has the second constant straight-through section of circumferential size and the expansion segment of expanding gradually in the direction of dodging through hole extension towards rotating shaft, the first straight-through section is positioned between expansion segment and the second contraction section, and expansion segment is between the first straight-through section and the second straight-through section.
Further, the size making progress in week that the first straight-through section is dodged through hole in rotating shaft is less than the second contraction section and in rotating shaft, dodges the full-size making progress in week of through hole and be greater than the second straight-through section and dodge the size making progress in week of through hole in rotating shaft.
Apply technical scheme of the present invention, the size making progress in the footpath of rotor due to the second improvement structure is greater than the size that the second improvement structure makes progress in the footpath of rotor, therefore, second improves structure is different from the first improvement of improvement structure to the performance of rotor to the improvement of the performance of rotor, the performance of rotor is conveniently improved at two, and then caused rotor to there are two advantages.As the above analysis, rotor of the present invention has multiple advantage.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows according to the master of the rotor of describing in background technology and looks schematic diagram;
Fig. 2 shows according to the master of the embodiment mono-of rotor of the present invention and looks schematic diagram;
Fig. 3 shows according to the master of the embodiment bis-of rotor of the present invention and looks schematic diagram.
Wherein, the Reference numeral in above-mentioned figure is as follows:
1, through hole is dodged in rotating shaft; 10, first improve structure; 20, second improve structure; 21, the second contraction section; 22, the first straight-through section; 23, the second straight-through section; 24, expansion segment.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
As shown in Figure 2, the rotor of embodiment mono-comprises that rotating shaft dodges through hole 1 and making progress spaced a plurality of the first improvement group and in spaced a plurality of the second improvement group that makes progress in the week of rotor the week of rotor, the first improvement group comprises that it is axially extended the first through hole along rotor that at least one first improvement structure 10, the first is improved structures 10.In spaced a plurality of the second improvement group that makes progress in the week of rotor, the second improvement group comprises at least one second improvement structure 20, each the second improvement structure 20 arranges with each the first improvement structure 10 intervals, the second improvement structure 20 is axially extended the second through hole along rotor, and the full-size that the second improvement structure 20 makes progress in the footpath of rotor is greater than the full-size that the second improvement structure 20 makes progress in the footpath of rotor.In addition, the first improvement structure 10 can be the first groove, and the second improvement structure 20 can be the second groove.The the first improvement group showing in Fig. 1 comprises that two first improvement structure 10, the first improvement groups comprise that one second is improved structure 20.The first concrete shape that improves structure 10 and the second improvement structure 20 can design according to staff's actual needs.
The rotor of Application Example one, the full-size making progress in the footpath of rotor due to the second improvement structure 20 is greater than the full-size that the second improvement structure 20 makes progress in the footpath of rotor, therefore, the second improvement that improves the performance of 20 pairs of rotors of structure is different from the improvement of the performance of 10 pairs of rotors of the first improvement structure, the performance of rotor is conveniently improved at two, and then caused rotor to there are two advantages.As the above analysis, the rotor of embodiment mono-has multiple advantage.In the advantage of the rotor that the rotor of embodiment mono-is described in having background technology, can also have the advantage that the second improvement structure 20 is brought concurrently.Second improves structure 20 for the first improvement structure 10, has improved rotor utilance, and the material consumption of rotor is few, and efficiency is high and can make leakage reactance in very large range change.
As shown in Figure 2, in embodiment mono-, in the week of rotor, make progress, between two adjacent the second improvement groups, be provided with the first improvement group.Adopt said structure, the first improvement structure 10 and second is improved structure 20 and is crisscross arranged, and has further improved the performance of rotor.
As shown in Figure 2, in embodiment mono-, in the week of rotor, make progress, the quantity of the first improvement group between any two adjacent the second improvement groups equates.Adopt said structure, further improved the performance of rotor.
As shown in Figure 2, in embodiment mono-, in the week of rotor, make progress, the setting of even interval is organized in a plurality of the first improvement and the setting of even interval is organized in a plurality of the second improvement.Adopt said structure, further improved the performance of rotor.
As shown in Figure 2, in embodiment mono-, the first improvement structure 10 is the first through hole, the second improvement structure 20 is the second through hole, the first through hole and the second through hole be take same annulus as starting point and towards rotating shaft, are dodged the Axis Extension of through hole 1, annulus, for dodge the annulus centered by the axis of through hole 1 by rotating shaft, that is to say, the second outside and first outside of improving structure 10 of improving structure 20 is positioned on same annulus.Adopt said structure, second improves structure 20 can protrude from the first improvement structure 10 on the bearing of trend of dodging through hole 1 towards rotating shaft, has further improved the performance of rotor.
As shown in Figure 2, in embodiment mono-, first improves structure 10 has the first contraction section (not marking in figure) shrinking gradually in the direction of dodging through hole 1 extension towards rotating shaft.First improves the similar and pyriform of the shape of structure 10, and side dimension is large, and inside dimensions is low, and first of this structure is improved structure 10 and had the advantages such as utilance is high, Life of Punch Die is long, mould is easy to manufacture.
As shown in Figure 2, in embodiment mono-, second improves structure 20 has the second contraction section (not marking in figure) shrinking gradually in the direction of dodging through hole 1 extension towards rotating shaft.It is identical that the second shape and first of improving structure 20 is improved structure 10, size is improved structure 10 length than first only diametrically, second improves the same similar and pyriform of shape of structure 20, for pyriform closed slot, the side dimension of this second improvement structure 20 is large, and inside dimensions is low, and second of this structure is improved structure 20 than the first improvement structure 10, can increase skin-effect, improve startability and reduce to a certain extent motor performance and overladen impact.
As shown in Figure 3, at the rotor of embodiment bis-and the difference of above-described embodiment one, be, second improves structure 20 also has the first constant straight-through section 22, the second contraction sections 21 of circumferential size in the direction that through hole 1 extends and dodges between through hole 1 in the first straight-through section 22 and rotating shaft dodging towards rotating shaft.Constant the referring to neither of circumferential size shunk and also do not expanded.Adopt said structure, further improved the performance of rotor.
As shown in Figure 3, in embodiment bis-, second improves structure 20 has the second constant straight-through section 23 of circumferential size and the expansion segment 24 of expanding gradually in the direction of dodging through hole 1 extension towards rotating shaft, the first straight-through section 22 is between expansion segment 24 and the second contraction section 21, and expansion segment 24 is between the straight-through section 23 of the first straight-through section 22 and second.Adopt said structure, further improved the performance of rotor.
As shown in Figure 3, in embodiment bis-, the size making progress in week that the first straight-through section 22 is dodged through hole 1 in rotating shaft is less than the second contraction section 21 and in rotating shaft, dodges the full-size making progress in week of through hole 1 and be greater than the second straight-through section 23 and dodge the size making progress in week of through hole 1 in rotating shaft.Adopt said structure, can make leakage reactance in very large range change, meet the different requirements that start, can also meet runnability simultaneously.Second each section that improves structure 20 is upwards in direct communication with one another in the footpath of rotor, and other structures are not set between each section.Can adopt high stamping die punching to have above-mentioned first simultaneously and improve the rotor punching that structure 10 and second is improved structure 20, a plurality of rotor punchings are laminated into rotor, can adopt die casting or centrifugation cast aluminium.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a rotor, comprise that through hole (1) is dodged in rotating shaft and in spaced a plurality of the first improvement group that makes progress in the week of described rotor, the first improvement group comprises at least one first improvement structure (10), described the first improvement structure (10) is axially extended the first through hole or the first groove along described rotor, it is characterized in that, described rotor also comprises:
In spaced a plurality of the second improvement group that makes progress in the week of described rotor, described the second improvement group comprises at least one second improvement structure (20), described in each, second improves structure (20) and the first improvement structure (10) interval setting described in each, described the second improvement structure (20) is axially extended the second through hole or the second groove along described rotor, and the full-size that described the second improvement structure (20) makes progress in the footpath of described rotor is greater than described second and improves the full-size that structure (20) makes progress in the footpath of described rotor.
2. rotor according to claim 1, is characterized in that, in the week of described rotor, makes progress, and between two adjacent described the second improvement groups, is provided with described the first improvement group.
3. rotor according to claim 2, is characterized in that, in the week of described rotor, makes progress, and the quantity of described the first improvement group between any two adjacent described the second improvement groups equates.
4. rotor according to claim 1, is characterized in that, in the week of described rotor, makes progress, and the setting of even interval is organized in described a plurality of the first improvement and the setting of even interval is organized in described a plurality of the second improvement.
5. rotor according to claim 1, it is characterized in that, described the first improvement structure (10) is described the first through hole, described the second improvement structure (20) is described the second through hole, described the first through hole and described the second through hole be take same annulus as starting point and towards described rotating shaft, are dodged the Axis Extension of through hole (1), and described annulus is for dodging the annulus centered by the axis of through hole (1) by described rotating shaft.
6. rotor according to claim 1, is characterized in that, described first improves structure (10) has the first contraction section shrinking gradually in the direction of dodging through hole (1) extension towards described rotating shaft.
7. rotor according to claim 1, is characterized in that, described second improves structure (20) has the second contraction section (21) shrinking gradually in the direction of dodging through hole (1) extension towards described rotating shaft.
8. rotor according to claim 7, it is characterized in that, described second improves structure (20) also has the first constant straight-through section (22) of circumferential size in the direction of dodging through hole (1) extension towards described rotating shaft, and described the second contraction section (21) is positioned at the described first straight-through section (22) and described rotating shaft is dodged between through hole (1).
9. rotor according to claim 8, it is characterized in that, described second improves structure (20) also has the second constant straight-through section (23) of circumferential size and the expansion segment (24) of expanding gradually in the direction of dodging through hole (1) extension towards described rotating shaft, the described first straight-through section (22) is positioned between described expansion segment (24) and described the second contraction section (21), and described expansion segment (24) is positioned between the described first straight-through section (22) and the described second straight-through section (23).
10. rotor according to claim 9, it is characterized in that, the size making progress in week that the described first straight-through section (22) is dodged through hole (1) in described rotating shaft is less than described the second contraction section (21) and in described rotating shaft, dodges the full-size making progress in week of through hole (1) and be greater than the described second straight-through section (23) and in described rotating shaft, dodge the size making progress in week of through hole (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353951.7A CN104135095A (en) | 2014-07-23 | 2014-07-23 | Motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353951.7A CN104135095A (en) | 2014-07-23 | 2014-07-23 | Motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104135095A true CN104135095A (en) | 2014-11-05 |
Family
ID=51807669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410353951.7A Pending CN104135095A (en) | 2014-07-23 | 2014-07-23 | Motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104135095A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54148207A (en) * | 1978-05-12 | 1979-11-20 | Toshiba Corp | Cast rotor for rotary electric machine |
| CN101540531A (en) * | 2008-03-20 | 2009-09-23 | 丹福斯压缩器有限公司 | Rotor of an electrical machine and motor with such a rotor |
| CN101842967A (en) * | 2007-12-27 | 2010-09-22 | 三菱电机株式会社 | Rotator for induction electric motor, induction electric motor, compressor, blower, and air-conditioning device |
| CN101944786A (en) * | 2010-10-15 | 2011-01-12 | 无锡哈电电机有限公司 | Rotor iron core structure of bipolar motor |
| CN204068460U (en) * | 2014-07-23 | 2014-12-31 | 珠海凌达压缩机有限公司 | Rotor |
-
2014
- 2014-07-23 CN CN201410353951.7A patent/CN104135095A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54148207A (en) * | 1978-05-12 | 1979-11-20 | Toshiba Corp | Cast rotor for rotary electric machine |
| CN101842967A (en) * | 2007-12-27 | 2010-09-22 | 三菱电机株式会社 | Rotator for induction electric motor, induction electric motor, compressor, blower, and air-conditioning device |
| CN101540531A (en) * | 2008-03-20 | 2009-09-23 | 丹福斯压缩器有限公司 | Rotor of an electrical machine and motor with such a rotor |
| CN101944786A (en) * | 2010-10-15 | 2011-01-12 | 无锡哈电电机有限公司 | Rotor iron core structure of bipolar motor |
| CN204068460U (en) * | 2014-07-23 | 2014-12-31 | 珠海凌达压缩机有限公司 | Rotor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141105 |
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| RJ01 | Rejection of invention patent application after publication |