CN109599970A - A kind of rotor and motor - Google Patents
A kind of rotor and motor Download PDFInfo
- Publication number
- CN109599970A CN109599970A CN201710914610.6A CN201710914610A CN109599970A CN 109599970 A CN109599970 A CN 109599970A CN 201710914610 A CN201710914610 A CN 201710914610A CN 109599970 A CN109599970 A CN 109599970A
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- CN
- China
- Prior art keywords
- rotor
- outer end
- slot
- radius
- extension
- 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
Links
- 239000004020 conductor Substances 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000220324 Pyrus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000021017 pears Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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
- H02K1/26—Rotor cores with slots for windings
- H02K1/265—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Abstract
The present invention provides a kind of rotor and motor.The rotor includes: rotor core, the rotor core include: along its axially through axis hole；With multiple rotor slots, it is set to the outside of the axis hole and along the rotor core axially through the rotor core, multiple rotor slots being provided at circumferentially spaced along the rotor core respectively；Wherein, the rotor slot is radially extended along the rotor core, each rotor slot includes inner end and outer end, extension is formed to two sides respectively between the inner end and outer end, the extension has the outer end for the extension for being directed toward the rotor core, the outer end of at least one extension expands male part to the extension of the rotor core, the male part has the outer end for the extension for being directed toward the rotor core, and the outer end of the male part is located at the position between the outer end of the rotor slot and the outer end of the extension；Multiple rotor conductors are set in the rotor slot.
Description
Technical field
The present invention relates to motor fields, and in particular, to a kind of rotor and the motor with the rotor.
Background technique
Rotor slot is to accept the main carriers of motor energy converting between mechanical, plays key in the transmittance process of electromagnetic energy
Effect.The design of rotor resistance and inductance is very big to the efficiency of motor, power factor (PF) and the influence of torque, and rotor resistance
It is to be determined by the design of rotor slot again with inductance.Therefore, rotor slot design occupies critically important in entire design of electrical motor
Status.
Please also refer to Fig. 1 to Fig. 4, which respectively show the rotor slot structures of rotors different in the prior art.
Currently, 100 slot of rotor on the rotor of common induction machine is usually peariform slot (as shown in Figure 1), peariform slot can fill
Divide the interior space using rotor, and the teeth portion of rotor can accomplish that teeth portion magnetic circuit is uniform in parallel, obtain motor
To higher efficiency.But its starting torque is generally lower with respect to other flute profiles.And such as Fig. 2 rotor slot 101,102 and into Fig. 4
Flute profile shown in 103, using the kelvin effect that high current generates when starting, in the case of high current at the start, rotor electricity
To the extension of rotor (outer wall) in adfluxion, since the epitaxial-side flute profile of rotor is arranged relative to the peariform slot in Fig. 1
It is more long and narrow, it is therefore, opposite to improve the resistance for starting moment rotor, turn can be upgraded for induction machine
Square, while reducing starting current.But this mode is for the peariform slot in Fig. 1, to the inner space of rotor
Using insufficient, efficiency is often lower relative to peariform slot efficiency in Fig. 1.
Summary of the invention
For the defects in the prior art, the purpose of the present invention is to provide a kind of rotor and motors.The motor
Rotor can increase electric motor starting torque in the case where not influencing electric efficiency.
According to an aspect of the present invention, a kind of rotor is provided, the rotor includes: rotor core, and described turn
Sub- iron core include: along its axially through axis hole；With multiple rotor slots, it is set to the outside of the axis hole and along the rotor iron
Core is axially through the rotor core, multiple rotor slots being provided at circumferentially spaced along the rotor core respectively；Wherein, institute
State rotor slot radially extending along the rotor core, each rotor slot includes inner end and outer end, the inner end and outer end
Between form extension to two sides respectively, the extension has the outer end for the extension for being directed toward the rotor core, at least one institute
The outer end for stating extension expands male part to the extension of the rotor core, and the male part, which has, is directed toward the rotor core
Extension outer end, the outer end of the male part is located at the position between the outer end of the rotor slot and the outer end of the extension
It sets；Multiple rotor conductors are set in the rotor slot.
Preferably, each rotor slot has the inner end for being directed toward the rotor core center of circle, and deviates from the rotor
The outer end in the iron core center of circle, the outer end of the rotor slot and the rotor core center of circle have the first radius；Outside the extension
End has third radius with the rotor core center of circle；The outer end of the male part and the rotor core center of circle have the second half
Diameter；First radius is greater than second radius, and second radius is greater than the third radius.
Preferably, first radius, second radius and the third radius meet following relationship 0.5R1 < R2 <
R1；0.6R2<R3<R2.
Preferably, the outer end of the male part is semi-cylindrical hill or triangular hill.
Preferably, any one of the outer end triangular hill, rectangular preiection of the rotor slot, arc-shaped convex.
Preferably, each rotor slot includes being respectively arranged at two male parts of two extensions in two sides.
Preferably, each rotor slot includes four male parts for being respectively arranged at two extensions in two sides.
Preferably, the relatively described rotor slot of male part for being respectively arranged at two extensions of two sides extends in a radial direction
Center line it is symmetrical.
Preferably, the outer end of the rotor slot is an open slot.
According to another aspect of the present invention, a kind of motor is also provided, the motor includes above-mentioned rotor and setting
Motor stator outside the rotor.
In rotor and motor provided in an embodiment of the present invention, due at least one extension of the rotor slot of rotor
Include the male part that at least one is protruded to rotor core extension in portion, is increased inside rotor in conjunction with the outer end of rotor slot
The utilization rate in space, the space for more fully utilizing rotor electric machine, reduce and are lost caused by rotor slot internal vortex, guarantee motor
The performance and efficiency of operation, and compared to for existing peariform slot, one end groove profile close to rotor core extension is long and narrow, can be with
Rotor kelvin effect is effectively utilized to improve starting torque, reduce starting current.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is the rotor slot structure of rotor a kind of in the prior art of the invention；
Fig. 2 is the rotor slot structure of rotor a kind of in the prior art of the invention；
Fig. 3 is the rotor slot structure of rotor a kind of in the prior art of the invention；
Fig. 4 is the rotor slot structure of rotor a kind of in the prior art of the invention；
Fig. 5 is the structural schematic diagram of the rotor of one embodiment of the present of invention；
Fig. 6 is the structural schematic diagram of the rotor slot of the rotor of one embodiment of the present of invention；
Fig. 7 is the structural schematic diagram of the rotor slot of the rotor of another embodiment of the invention；
Fig. 8 is the structural schematic diagram of the rotor slot of the rotor of another embodiment of the invention；
Fig. 9 is the structural schematic diagram of the rotor slot of the rotor of another embodiment of the invention；
Figure 10 is the structural schematic diagram of the rotor slot of the rotor of another embodiment of the invention；
Figure 11 is the structural schematic diagram of the rotor slot of the rotor of another embodiment of the invention；And
Figure 12 is the structural schematic diagram of the rotor slot of the rotor of another embodiment of the invention.
Appended drawing reference
1 rotor core
11 axis holes
12 rotor slots
2 rotor conductors
The inner end of 51 rotor slots
The outer end of 52 rotor slots
53 extensions
The outer end of 531 extensions
55 male parts
The outer end of 551 male parts
Specific embodiment
Detailed description will be provided to the embodiment of the present invention below.Although the present invention will combine some specific embodiments
It is illustrated and illustrates, but should be noted that the present invention is not merely confined to these embodiments.On the contrary, to the present invention
The modification or equivalent replacement of progress, are intended to be within the scope of the claims of the invention.
In addition, in order to better illustrate the present invention, numerous details is given in specific embodiment below.
It will be understood by those skilled in the art that without these details, the present invention equally be can be implemented.It is right in other example
It is not described in detail in known structure and component, in order to highlight purport of the invention.
Refer to Fig. 5 and Fig. 6, which respectively show the structural schematic diagram of the rotor of one embodiment of the present of invention with
And the structural schematic diagram of the rotor slot of rotor.In the preferred embodiment shown in the present invention, the rotor is mainly wrapped
It includes: rotor core 1 and rotor conductor 2.
Specifically, in embodiments of the present invention, rotor core 1 can be formed with thin magnetic steel plate, by by regulation piece
Lamination in a thickness direction is counted, global shape is made to be formed as cylindric.
Rotor core 1 include along its axially through axis hole 11 and multiple rotor slots 12.Wherein, axis hole 11 is set to cylinder
The center of the rotor core 1 of shape.
Multiple rotor slots 12 are set to the outside of axis hole 11 and along rotor core 1 axially through rotor core 1.Such as Fig. 1
It is shown, multiple rotor slots 12 respectively along rotor core 1 be provided at circumferentially spaced and (be mutually not attached between multiple rotor slots 12) and ring
Around axis hole 11.Each radially extending along rotor core 1 of rotor slot 12.As shown in fig. 6, each rotor slot 12 includes being directed toward rotor
The inner end 51 in 1 center of circle of iron core and outer end 52 away from 1 center of circle of rotor core.It is formed respectively to two sides between inner end 51 and outer end 52
Two extensions 53.Each extension 53 has the outer end 531 for the extension for being directed toward rotor core 1.
Further, in order to improve the resistance of electric motor starting moment rotor, promote electric motor starting torque it while, mentions
The inner space utilization rate of high rotor, in an embodiment of the present invention, at least outer end 531 of an extension 53 is to rotor iron
The extension of core 1 expands male part 55.Male part 55 has the outer end 551 for the extension for being directed toward rotor core 1.Reality shown in Fig. 6
It applies in example, each rotor slot 12 includes two male parts 55.The outer end 52 of rotor slot is located at during rotor slot 12 radially extends
On heart line (center line is as shown in phantom in Figure 6).The outer end 52 of rotor slot is triangular hill, and two male parts 55 are respectively set
In on the outer end of two extensions 531, positioned at the two sides of the outer end of rotor slot 52.The outer end 551 of male part can be semicircle
Protrusion or triangular hill, in the embodiment shown in fig. 6, the outer end 551 of two male parts is semi-cylindrical hill, two evaginations
It portion 55 can be symmetrical with respect to center line.The rotor slot 12 can make in rotor operational process in the feelings for not influencing electric efficiency
Increase electric motor starting torque under condition.Preferably, along the direction of close 1 extension of rotor core, the outer end 52 of rotor slot and evagination
551 width of outer end in portion is gradually reduced, and can effectively further be improved the resistance of electric motor starting moment rotor with this, be mentioned
Lifting motor detent torque.
Further, as shown in fig. 6, the outer end 551 of male part 55 is located at outer end 52 and the extension 53 of rotor slot 12
Position between outer end 531.Specifically, the outer end 52 of rotor slot 12 and the center of circle of rotor core 1 have the first radius R1；Prolong
The outer end 531 in exhibition portion 53 and the center of circle of rotor core 1 have third radius R3；The outer end 551 of male part 55 and rotor core 1
The center of circle has the second radius R2.Wherein, the first radius R1 is greater than the second radius R2, the second radius R2 and is greater than third radius R3.It is excellent
Selection of land, the first radius R1, the second radius R2 and third radius R3 meet following relationship 0.5R1 < R2 < R1；0.6R2<R3<R2.
Multiple rotor conductors 2 are set in multiple rotor slots 12.Rotor conductor 2 can be made of copper or aluminum material.
In this embodiment, outer with rotor slot since the rotor slot of rotor is other than the outer end of rotor slot
Two male parts of two sides are held, therefore the utilization of rotor inner space can be increased, more fully utilize rotor electric machine
Space, reduce and be lost caused by rotor slot internal vortex, guarantee the performance and efficiency of motor operation, and compare existing pears
For shape slot, one end groove profile close to rotor core extension is long and narrow, and rotor kelvin effect can be effectively utilized and improve
Dynamic torque reduces starting current.
Fig. 7 to Fig. 9 is another embodiment of rotor of the invention, please also refer to Fig. 7 to Fig. 9, point
The structural schematic diagram of the rotor slot of the rotor of other embodiments of the invention is not shown.With it is above-mentioned shown in fig. 6
Unlike rotor, the outer end 52 of each rotor slot 12 is any one of rectangular preiection or arc-shaped convex, other
Something in common.Specifically, in the embodiment shown in fig. 7, the outer end 52 of rotor slot is rectangular preiection, is respectively arranged at rotor
The outer end 551 of two male parts 55 of 52 two sides of outer end of slot is semi-cylindrical hill.In Fig. 8 and embodiment shown in Fig. 9,
The outer end 52 of rotor slot is arc-shaped convex, it should be noted that in an embodiment of the present invention, arc-shaped convex can refer to
Semi-cylindrical hill as shown in Figure 8, be also possible to the circular arc of the extension side of close rotor core 1 as shown in Figure 9 with it is close
The arc-shaped convex of the combination of the straight line in the center of circle of rotor core 1.The rotor slot of structure shown in Fig. 7 to Fig. 9 can be achieved with it is upper
The similar effect of Fig. 6 is stated, it will not be described here.
Figure 10 is another embodiment of rotor of the invention, referring to Figure 10, it illustrates of the invention
The structural schematic diagram of the rotor slot of the rotor of another embodiment.Specifically, with above-mentioned rotor shown in fig. 6
Unlike, in the embodiment shown in fig. 10, each rotor slot 12 only includes the 52 side (Figure 10 of outer end for being set to rotor slot
In be left side) 53 outer end of extension on a male part 55.Wherein, the outer end 52 of rotor slot is triangular hill, evagination
The outer end in portion 55 is semi-cylindrical hill.The effect similar with structure shown in above-mentioned Fig. 6 may be implemented in the embodiment, not superfluous herein
It states.
Figure 11 is another embodiment of rotor of the invention, referring to Figure 11, it illustrates of the invention
The structural schematic diagram of the rotor slot of the rotor of another embodiment.Specifically, with above-mentioned rotor shown in fig. 6
Unlike, in the embodiment shown in fig. 11, each rotor slot 12 is respectively arranged at the extension 53 of two sides two including one
Four male parts 55.(i.e. two male parts 55 are arranged in the outer end of the extension 53 of the side of the outer end 52 of rotor slot 12).Wherein,
The outer end 52 of rotor slot is triangular hill, and the outer end of all male parts 55 is semi-cylindrical hill.The embodiment may be implemented
The effect similar with structure shown in above-mentioned Fig. 6, it will not be described here.
Figure 12 is another embodiment of rotor of the invention, referring to Figure 12, it illustrates of the invention
The structural schematic diagram of the rotor slot of the rotor of another embodiment.Unlike above-mentioned rotor shown in fig. 6,
The outer end 52 of rotor slot 12 is open slot.Specifically, as shown in figure 12, the outer end 52 of rotor slot 12 and close rotor core 1
Extension is connected to by an open slot, and in Fig. 6, open slot is formed in the top of an arc-shaped convex, and open slot combines the circular arc
Outer end 52 of the shape protrusion as rotor slot 12.The effect similar with structure shown in above-mentioned Fig. 6 may be implemented in the embodiment, herein not
It gives and repeating.
The present invention also provides a kind of motor, which includes rotor shown in above-mentioned Fig. 5 to Figure 12 and is set to
Motor stator outside above-mentioned rotor.Since the motor has used above-mentioned rotor, in motor operation course
Increase electric motor starting torque in the case where not influencing its efficiency.
In summary, in rotor and motor provided in an embodiment of the present invention, due to rotor rotor slot extremely
Include the male part that at least one is protruded to rotor core extension on a few epitaxy part, increases electricity in conjunction with the outer end of rotor slot
The utilization rate of machine rotor inner space, the space for more fully utilizing rotor electric machine, reduce and damage caused by rotor slot internal vortex
Consumption guarantees the performance and efficiency of motor operation, and compares for existing peariform slot, close to an end slot of rotor core extension
Type is long and narrow, and rotor kelvin effect can be effectively utilized and improve starting torque, reduce starting current.
Claims (10)
1. a kind of rotor, which is characterized in that the rotor includes:
Rotor core, the rotor core include:
Along its axially through axis hole；With
Multiple rotor slots are set to the outside of the axis hole and along the rotor core axially through the rotor core, multiple
The rotor slot being provided at circumferentially spaced along the rotor core respectively；
Wherein, the rotor slot radially extending along the rotor core, each rotor slot include inner end and outer end, described
Extension is formed to two sides respectively between inner end and outer end, the extension has the outer of the extension for being directed toward the rotor core
The outer end at end, at least one extension expands male part to the extension of the rotor core, and the male part, which has, to be directed toward
The outer end of the extension of the rotor core, the outer end of the male part be located at the rotor slot outer end and the extension it is outer
Position between end；
Multiple rotor conductors are set in the rotor slot.
2. rotor according to claim 1, which is characterized in that each rotor slot, which has, is directed toward the rotor iron
The inner end in the core center of circle, and away from the outer end in the rotor core center of circle, the outer end of the rotor slot and rotor core circle
The heart has the first radius；The outer end of the extension and the rotor core center of circle have third radius；Outside the male part
End has the second radius with the rotor core center of circle；First radius is greater than second radius, and second radius is big
In the third radius.
3. rotor according to claim 2, which is characterized in that first radius, second radius and described
Third radius meets following relationship 0.5R1 < R2 < R1；0.6R2<R3<R2；
Wherein R1 is the first radius, and R2 is the second radius, R3 is third radius.
4. rotor according to claim 1, which is characterized in that the outer end of the male part is semi-cylindrical hill or three
Angular protrusion.
5. rotor according to claim 1, which is characterized in that outer end triangular hill, the rectangle of the rotor slot
Any one of protrusion, arc-shaped convex.
6. rotor according to claim 1, which is characterized in that each rotor slot includes being respectively arranged at two sides
Two male parts of two extensions.
7. rotor according to claim 1, which is characterized in that each rotor slot is respectively arranged at two including one
Four male parts of two extensions in side.
8. rotor according to claim 6 or 7, which is characterized in that be respectively arranged at two extensions of two sides
The center line that the relatively described rotor slot of male part extends in a radial direction is symmetrical.
9. rotor according to claim 1, which is characterized in that the outer end of the rotor slot is an open slot.
10. a kind of motor, which is characterized in that the motor include as described in any one of claims 1 to 9 rotor and
The motor stator being set to outside the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914610.6A CN109599970A (en) | 2017-09-30 | 2017-09-30 | A kind of rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914610.6A CN109599970A (en) | 2017-09-30 | 2017-09-30 | A kind of rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109599970A true CN109599970A (en) | 2019-04-09 |
Family
ID=65955833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710914610.6A Pending CN109599970A (en) | 2017-09-30 | 2017-09-30 | A kind of rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109599970A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012257439A (en) * | 2011-06-10 | 2012-12-27 | Mitsubishi Electric Corp | Cage-type rotor |
| CN203481946U (en) * | 2012-11-22 | 2014-03-12 | 株式会社安川电机 | Rotary motor and rotor |
| CN204886457U (en) * | 2015-07-23 | 2015-12-16 | 珠海凌达压缩机有限公司 | Rotator punching sheet, rotor iron core and motor |
| CN105284038A (en) * | 2013-07-01 | 2016-01-27 | 株式会社日立产机系统 | Rotating electric machine and manufacturing method thereof |
| CN206313561U (en) * | 2016-11-29 | 2017-07-07 | 武汉泰康翔科技股份有限公司 | Permagnetic synchronous motor |
| CN207234552U (en) * | 2017-09-30 | 2018-04-13 | 上海海立电器有限公司 | A kind of rotor and motor |
-
2017
- 2017-09-30 CN CN201710914610.6A patent/CN109599970A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012257439A (en) * | 2011-06-10 | 2012-12-27 | Mitsubishi Electric Corp | Cage-type rotor |
| CN203481946U (en) * | 2012-11-22 | 2014-03-12 | 株式会社安川电机 | Rotary motor and rotor |
| CN105284038A (en) * | 2013-07-01 | 2016-01-27 | 株式会社日立产机系统 | Rotating electric machine and manufacturing method thereof |
| CN204886457U (en) * | 2015-07-23 | 2015-12-16 | 珠海凌达压缩机有限公司 | Rotator punching sheet, rotor iron core and motor |
| CN206313561U (en) * | 2016-11-29 | 2017-07-07 | 武汉泰康翔科技股份有限公司 | Permagnetic synchronous motor |
| CN207234552U (en) * | 2017-09-30 | 2018-04-13 | 上海海立电器有限公司 | A kind of rotor and motor |
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