CN105471140A - Rotor iron core and motor equipped with same - Google Patents
Rotor iron core and motor equipped with same Download PDFInfo
- Publication number
- CN105471140A CN105471140A CN201511026580.2A CN201511026580A CN105471140A CN 105471140 A CN105471140 A CN 105471140A CN 201511026580 A CN201511026580 A CN 201511026580A CN 105471140 A CN105471140 A CN 105471140A
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- rotor core
- steel groove
- iron core
- diameter end
- 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.)
- Granted
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 154
- 239000010959 steel Substances 0.000 claims abstract description 154
- 239000000463 material Substances 0.000 claims description 13
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000004907 flux Effects 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000003137 locomotive effect Effects 0.000 description 2
- 239000002991 molded plastic Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000703 high-speed centrifugation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- 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
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention provides a rotor iron core and a motor equipped with the same. The rotor iron core comprises an iron core body, multiple magnetic steel grooves and multiple magnetic steels, wherein the multiple magnetic steel grooves are formed in the iron core body and are formed at intervals along the circumferential direction of the iron core body; each magnetic steel groove extends in a radial direction of the iron core body; each magnetic steel groove is provided with a first end close to the rotor iron core center and a second end far from the rotor iron core center; the multiple magnetic steels are arranged in the multiple magnetic steel grooves in a one-to-one correspondence manner, wherein the first ends of a part of the multiple magnetic steel grooves are spaced at intervals to form connecting bridges while the first ends of the other magnetic steel grooves are connected. Magnetic field flux leakage occurs from the connecting bridges; according to the technical scheme of the rotor iron core and the motor equipped with the same, the first ends of a part of the multiple magnetic steel grooves are connected but not spaced at intervals to form the connecting bridges, so that the number of the connecting bridges among the magnetic steels is reduced, and the flux leakage phenomenon is reduced as well; and therefore, the rotor iron core and the motor equipped with the same can reduce flux leakage and improve the equipment performance.
Description
Technical field
The present invention relates to power-equipment, in particular to a kind of rotor core and the motor with it.
Background technology
As shown in Figure 1, conventional tangential rotor structure comprises iron core body 10 ', magnet steel groove 20 ' and magnet steel 30 '.In order to reduce leakage field usually to need magnetic pole between width as far as possible thinning, to reach the effect of restriction leakage field.But width is thinner between magnetic pole, magnetic interelectrode magnetic leakage is less, and every pole magnetic flux is higher, can improve power of motor density.But high-speed electric expreess locomotive is when its rotating speed reaches 1 ~ 20,000 turn, the high speed centrifugation power that its rotor core and magnet steel produce can cause rotor core edge weakness (between magnetic pole) to rupture.And between magnetic pole, having rotor core part and connecting bridge, the leakage field of connecting bridge cannot reduce again, affects performance and the efficiency of motor.
Summary of the invention
Main purpose of the present invention is that providing a kind of can reduce the rotor core of leakage field and have its motor.
To achieve these goals, according to an aspect of the present invention, provide a kind of rotor core, comprising: iron core body; Multiple magnet steel groove, be opened on iron core body and along the circumferential direction interval of iron core body and arrange, each magnet steel groove extends along the radial direction of iron core body, and magnet steel groove has the first end at close rotor core center and the second end away from rotor core center; Multiple magnet steel, one_to_one corresponding is arranged in multiple magnet steel groove; Wherein, have spacing distance between the first end of a part of magnet steel groove in multiple magnet steel groove and form connecting bridge, the first end of another part magnet steel groove is connected.
Further, multiple magnet steel groove forms many group magnet steel groove groups, and often organize magnet steel groove group and comprise two the magnet steel grooves be disposed adjacent, form connecting bridge between the first end of the magnet steel groove of two adjacent groups, the first end often organizing two magnet steel grooves of magnet steel groove group is connected.
Further, capsulation material is provided with between the outer wall of magnet steel and the inwall of magnet steel groove.
Further, each magnet steel groove comprises: main paragraph, and magnet steel is arranged in main paragraph; First positioning section, is arranged at the outer edge of main paragraph and is connected with main paragraph.
Further, first positioning section has the first bigger diameter end of first miner diameter end at close rotor core center and the outer rim near rotor core, first miner diameter end is connected with the outer edge of main paragraph, and the width of the first miner diameter end is less than the width of magnet steel to form the first stopper section.
Further, the first positioning section is symmetrical arranged along the radial direction of iron core body.
Further, each magnet steel groove also comprises: the second positioning section, be arranged at the interior acies of main paragraph and be connected with main paragraph, the second positioning section often organizing two magnet steel grooves of magnet steel groove group is connected, and the cell wall of the magnet steel groove at the first end place of two magnet steel grooves is connected.
Further, second positioning section has the second bigger diameter end of second miner diameter end at close rotor core center and the outer rim near rotor core, second bigger diameter end is connected with the interior acies of main paragraph, and the second miner diameter end forms the outer wall of jut abutting to magnet steel to form the second stopper section towards the direction of the outer rim of rotor core.
Further, the second miner diameter end has the inside rim of the both sides being positioned at the second stopper section, and inside rim is the concentric circular arc arranged with the axis hole of rotor core.
Further, the second positioning section is symmetrical arranged along the radial direction of iron core body.
Further, the second stopper section comprises circular arc contact-making surface or straight flange contact-making surface.
According to an aspect of the present invention, provide a kind of motor, comprise rotor core, rotor core is above-mentioned rotor core.
Apply technical scheme of the present invention, rotor core comprises iron core body, multiple magnet steel groove and multiple magnet steel.Multiple magnet steel one_to_one corresponding is arranged in multiple magnet steel groove.Magnet steel groove has the first end at close rotor core center and the second end away from rotor core center, and have spacing distance between the first end of a part of magnet steel groove in multiple magnet steel groove and form connecting bridge, the first end of another part magnet steel groove is connected.Magnetic field can from the position leakage field of connecting bridge, and in the inventive solutions, the first end of part magnet steel groove is connected instead of has spacing distance and forms connecting bridge, the connecting bridge that connecting bridge between magnet steel decreases namely between magnetic pole decreases, leakage field phenomenon also reduces thereupon, therefore rotor core of the present invention and the motor with it can reduce leakage field, improve equipment performance.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the rotor core according to prior art;
Fig. 2 shows the structural representation according to rotor core of the present invention;
Fig. 3 shows the A place partial enlarged drawing of Fig. 2;
Fig. 4 shows the structural representation of an embodiment according to magnet steel groove of the present invention; And
Fig. 5 shows the structural representation of another embodiment according to magnet steel groove of the present invention.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, iron core body; 20, magnet steel groove; 20a, connecting bridge; 21, main paragraph; 22, the first positioning section; 23, the first stopper section; 24, the second positioning section; 25, the second stopper section; 30, magnet steel; 40, capsulation material; 50, the axis hole of rotor core.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figures 2 and 3, the invention provides a kind of rotor core.
Particularly, rotor core comprises iron core body 10, multiple magnet steel groove 20 and multiple magnet steel 30.Wherein, multiple magnet steel groove 20 is opened on iron core body 10, and multiple magnet steel groove 20 is arranged along the circumferential direction interval of iron core body 10, and each magnet steel groove 20 extends along the radial direction of iron core body 10.Magnet steel groove 20 has the first end at close rotor core center and the second end away from rotor core center, the first end of magnet steel groove 20 and the second end.Multiple magnet steel 30 one_to_one corresponding is arranged in multiple magnet steel groove 20, arranges in a magnet steel 30 in each magnet steel groove 20.Wherein, have spacing distance between the first end of a part of magnet steel groove 20 in multiple magnet steel groove 20 and form connecting bridge 20a, the first end of another part magnet steel groove 20 is connected.That is, among multiple magnet steel groove 20, have connecting bridge 20a between some adjacent magnet steel grooves 20, also having the first end of some adjacent magnet steel grooves 20 to be connected is that two magnet steel grooves 20 communicate with each other.
Magnetic field can from the position leakage field of connecting bridge 20a, and in the inventive solutions, the first end of a part of magnet steel groove 20 is connected instead of has spacing distance and forms connecting bridge 20a.The connecting bridge 20a that connecting bridge 20a between magnet steel 30 decreases namely between magnetic pole decreases, and leakage field phenomenon also reduces thereupon, and therefore rotor core of the present invention and the motor with it can reduce leakage field, improve equipment performance.
Meanwhile, in the above-described embodiments, connecting bridge 20a reduces, and rotor core weight reduces, reduction motor production cost.
Multiple magnet steel groove 20 forms many group magnet steel groove groups, and often organize magnet steel groove group and comprise two the magnet steel grooves 20 be disposed adjacent, form connecting bridge 20a between the first end of the magnet steel groove 20 of two adjacent groups, the first end often organizing two magnet steel grooves 20 of magnet steel groove group is connected.As shown in Figures 2 and 3, between the magnet steel groove 20 of two adjacent groups, there is spacing distance and be not connected each other, between the first end of the magnet steel groove 20 of two adjacent groups, form connecting bridge 20a, the magnet steel groove 20 that two, connecting bridge 20a interval is adjacent.Two the magnet steel grooves 20 often organized in magnet steel groove group are communicated with each other, and the first end of these two magnet steel grooves 20 is connected to each other two magnet steel grooves 20 are connected.
As shown in Figure 2, capsulation material 40 is provided with between the outer wall of magnet steel 30 and the inwall of magnet steel groove 20.Capsulation material 40 can select non-magnet material, owing to being provided with capsulation material 40 such as non-magnet material between the outer wall of magnet steel 30 and the inwall of magnet steel groove 20, achieves rotor core in radial directions fixing.Improve the overall degree of magnet steel 30 and rotor core, structure is more stable and firm.
Two the magnet steel grooves 20 often organized in magnet steel groove group are communicated with each other, and the first end of these two magnet steel grooves 20 is connected to each other two magnet steel grooves 20 are connected.Two magnet steel grooves 20 are connected and namely decrease connecting bridge 20a, and the part of the connecting bridge 20a of minimizing uses non-magnet material plastic packaging to strengthen structural strength, reduces leakage field further, the performance of lifting means such as motor.
As shown in Figure 4 and Figure 5, each magnet steel groove 20 comprises main paragraph 21 and the first positioning section 22.Wherein, main paragraph 21 is interior acies near one end of rotor core, and main paragraph 21 is outer edge away from one end of rotor core.Magnet steel 30 is arranged in main paragraph 21, and magnet steel 30 is suitable with main paragraph 21.First positioning section 22 is arranged at the outer edge of main paragraph 21 and is connected with main paragraph 21, and the first positioning section 22 is between main paragraph 21 and the outer rim of rotor core.Between magnet steel 30, capsulation material 40 is filled, to fix magnet steel 30 diametrically and to reduce leakage field in first positioning section 22.
Preferably, first positioning section 22 has the first bigger diameter end of first miner diameter end at close rotor core center and the outer rim near rotor core, first miner diameter end is connected with the outer edge of main paragraph 21, and the width of the first miner diameter end is less than the width of magnet steel 30 to form the first stopper section 23.First stopper section 23 is two of being oppositely arranged.First stopper section 23 is for fixing magnet steel 30, and overall structure is stablized more, reliable and safety.First stopper section 23 is top shoulder structure, adopts the magnet steel disconnecting prevention structure of such top shoulder structure, adaptive high-speed electric expreess locomotive.
First positioning section 22 is symmetrical arranged along the radial direction of iron core body 10.Structure is simple and stable, is also easy to realize.
Further, each magnet steel groove 20 also comprises: the second positioning section 24, be arranged at the interior acies of main paragraph 21 and be connected with main paragraph 21, the second positioning section 24 often organizing two magnet steel grooves 20 of magnet steel groove group is connected, and the cell wall of the magnet steel groove 20 at the first end place of two magnet steel grooves 20 is connected.Between magnet steel 30, capsulation material 40 is filled, to fix magnet steel 30 diametrically and to reduce leakage field in second positioning section 24.
Second positioning section 24 has the second bigger diameter end of second miner diameter end at close rotor core center and the outer rim near rotor core, second bigger diameter end is connected with the interior acies of main paragraph 21, and the second miner diameter end forms the outer wall of jut abutting to magnet steel 30 to form the second stopper section 25 towards the direction of the outer rim of rotor core.Second positioning section 24 has the second miner diameter end and the second bigger diameter end, and the second miner diameter end is near rotor core center, and the second bigger diameter end is near the outer rim of rotor core.Wherein, the second bigger diameter end is connected with the interior acies of main paragraph 21, and the second miner diameter end is between the first bigger diameter end and the center of rotor core.Second miner diameter end forms jut towards the direction of the outer rim of rotor core, and jut abuts to the outer wall of magnet steel 30 to form the second stopper section 25, and namely the second stopper section 25 is towards the inner projection of magnet steel groove 20.Second stopper section 25 is for fixing magnet steel 30, and overall structure is stablized more, reliable and safety.The two ends of magnet steel 30 and the mode of perisporium capsulation material are fixed, and reducing the stagger angle width for pushing up magnet steel 30, decreasing the leakage field at magnet steel 30 two ends.
In above-described embodiment, the first stopper section 23 and the second stopper section 25 are salient point location, and namely the first stopper section 23 and the second stopper section 25 are location, the fixed structure of projection.Use salient point is located, and ensures that the arrangement of magnet steel 30 is even, makes Distribution of Magnetic Field more even, occurs displacement when preventing magnet steel 30 from magnetizing during the stressed or injection moulding of magnet simultaneously.
Second miner diameter end has the inside rim of the both sides being positioned at the second stopper section 25, and inside rim is the circular arc that arranges concentric on the axis hole 50 of rotor core, and structure is easy to realize and stablizes.
Preferably, the second positioning section 24 is symmetrical arranged along the radial direction of iron core body 10.Structure is simple and stable, is also easy to realize.
And then ground, the second stopper section 25 comprises circular arc contact-making surface or straight flange contact-making surface.Such contact face structure is simple, and the effect pushing against magnet steel 30 is also better.
According to an aspect of the present invention, provide a kind of motor, comprise rotor core, rotor core is above-mentioned rotor core.The connecting bridge part reduced uses non-magnet material plastic packaging to strengthen structural strength, reduces leakage field further, lifting motor performance.Connecting bridge 20a reduces, and magnetic interelectrode magnetic leakage reduces further, lifting motor performance, improves power of motor density.Reliable when such mechanism can ensure that (up to ten thousand turns) rotate at a high speed, also ensure that motor is when running up, have higher power factor, performance is more excellent simultaneously.
Rotor punching structure of the present invention, builds up iron core after punching press, rotates 45 degree between adjacent two rotor cores.By in alternate for the multiple magnet steel 30 magnet steel groove 20 be embedded in successively on rotor core, form rotor unit.By the rotor after mounting magnetic steel, carry out integral molded plastic.Finally by means such as the good rotor plastic package dies of integral molded plastic, implement to magnetize, make rotor unit, uniform N, S.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
Magnetic field can from the position leakage field of connecting bridge 20a, and in the inventive solutions, the first end of a part of magnet steel groove 20 is connected instead of has spacing distance and forms connecting bridge 20a.The connecting bridge 20a that connecting bridge 20a between magnet steel 30 decreases namely between magnetic pole decreases, and leakage field phenomenon also reduces thereupon, and therefore rotor core of the present invention and the motor with it can reduce leakage field, improve equipment performance.
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 amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a rotor core, is characterized in that, comprising:
Iron core body (10);
Multiple magnet steel groove (20), be opened in the upper and circumferential direction interval along described iron core body (10) of described iron core body (10) to arrange, each described magnet steel groove (20) extends along the radial direction of described iron core body (10), and described magnet steel groove (20) has the first end at close rotor core center and the second end away from described rotor core center;
Multiple magnet steel (30), one_to_one corresponding is arranged in multiple described magnet steel groove (20);
Wherein, have spacing distance between the described first end of magnet steel groove (20) described in the part in described multiple magnet steel groove (20) and form connecting bridge (20a), described in another part, the described first end of magnet steel groove (20) is connected.
2. rotor core according to claim 1, it is characterized in that, described multiple magnet steel groove (20) forms many group magnet steel groove groups, often organize described magnet steel groove group and comprise two the described magnet steel grooves (20) be disposed adjacent, form described connecting bridge (20a) between the described first end of the described magnet steel groove (20) of two adjacent groups, the described first end often organizing two described magnet steel grooves (20) of described magnet steel groove group is connected.
3. rotor core according to claim 2, is characterized in that, is provided with capsulation material (40) between the outer wall of described magnet steel (30) and the inwall of described magnet steel groove (20).
4. rotor core according to claim 3, is characterized in that, each described magnet steel groove (20) comprising:
Main paragraph (21), described magnet steel (30) is arranged in described main paragraph (21);
First positioning section (22), is arranged at the outer edge of described main paragraph (21) and is connected with described main paragraph (21).
5. rotor core according to claim 4, it is characterized in that, described first positioning section (22) has the first bigger diameter end of the first miner diameter end near described rotor core center and the outer rim near described rotor core, described first miner diameter end is connected with the outer edge of described main paragraph (21), and the width of described first miner diameter end is less than the width of described magnet steel (30) to form the first stopper section (23).
6. the rotor core according to claim 4 or 5, is characterized in that, described first positioning section (22) is symmetrical arranged along the radial direction of described iron core body (10).
7. rotor core according to claim 4, is characterized in that, each described magnet steel groove (20) also comprises:
Second positioning section (24), be arranged at the interior acies of described main paragraph (21) and be connected with described main paragraph (21), described second positioning section (24) often organizing two described magnet steel grooves (20) of described magnet steel groove group is connected, and the cell wall of the described magnet steel groove (20) at the described first end place of two described magnet steel grooves (20) is connected.
8. rotor core according to claim 7, it is characterized in that, described second positioning section (24) has the second bigger diameter end of the second miner diameter end near described rotor core center and the outer rim near described rotor core, described second bigger diameter end is connected with the interior acies of described main paragraph (21), and described second miner diameter end forms the outer wall of jut abutting to described magnet steel (30) to form the second stopper section (25) towards the direction of the outer rim of described rotor core.
9. rotor core according to claim 8, it is characterized in that, described second miner diameter end has the inside rim of the both sides being positioned at described second stopper section (25), and described inside rim is the circular arc that arranges concentric on the axis hole of described rotor core (50).
10. the rotor core according to any one of claim 7 to 9, is characterized in that, described second positioning section (24) is symmetrical arranged along the radial direction of described iron core body (10).
11. rotor cores according to claim 8, is characterized in that, described second stopper section (25) comprises circular arc contact-making surface or straight flange contact-making surface.
12. 1 kinds of motors, comprise rotor core, it is characterized in that, the rotor core of described rotor core according to any one of claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026580.2A CN105471140B (en) | 2015-12-29 | 2015-12-29 | Rotor core and motor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026580.2A CN105471140B (en) | 2015-12-29 | 2015-12-29 | Rotor core and motor with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105471140A true CN105471140A (en) | 2016-04-06 |
| CN105471140B CN105471140B (en) | 2019-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511026580.2A Active CN105471140B (en) | 2015-12-29 | 2015-12-29 | Rotor core and motor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105471140B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105743251A (en) * | 2016-04-25 | 2016-07-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor punching plate and permanent magnet motor |
| CN106100177A (en) * | 2016-06-20 | 2016-11-09 | 广东威灵电机制造有限公司 | For the rotor of motor and the motor with it |
| CN107394926A (en) * | 2017-08-30 | 2017-11-24 | 广东威灵电机制造有限公司 | Rotor core and rotor |
| CN108105149A (en) * | 2017-12-18 | 2018-06-01 | 广东威灵电机制造有限公司 | Wheel hub, wind wheel and the fan assembly of wind wheel |
| CN108631469A (en) * | 2018-05-29 | 2018-10-09 | 广东威灵电机制造有限公司 | Rotor and motor with it |
| CN110277852A (en) * | 2019-07-25 | 2019-09-24 | 东莞市深鹏电子有限公司 | A kind of production method of rotor and rotor |
| CN110277847A (en) * | 2018-05-31 | 2019-09-24 | 广东威灵电机制造有限公司 | Rotor and motor |
| CN110311491A (en) * | 2019-06-27 | 2019-10-08 | 北京理工大学 | A kind of efficient permanent magnet motor with low magnetism leakage flex rotor |
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| CN107394926B (en) * | 2017-08-30 | 2023-05-26 | 广东威灵电机制造有限公司 | Rotor core and rotor |
| CN108105149A (en) * | 2017-12-18 | 2018-06-01 | 广东威灵电机制造有限公司 | Wheel hub, wind wheel and the fan assembly of wind wheel |
| CN108631469A (en) * | 2018-05-29 | 2018-10-09 | 广东威灵电机制造有限公司 | Rotor and motor with it |
| CN110277847A (en) * | 2018-05-31 | 2019-09-24 | 广东威灵电机制造有限公司 | Rotor and motor |
| CN110311491A (en) * | 2019-06-27 | 2019-10-08 | 北京理工大学 | A kind of efficient permanent magnet motor with low magnetism leakage flex rotor |
| CN110277852A (en) * | 2019-07-25 | 2019-09-24 | 东莞市深鹏电子有限公司 | A kind of production method of rotor and rotor |
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| CN105471140B (en) | 2019-08-27 |
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