CN205141856U - Rotor assembly and motor possessing same - Google Patents
Rotor assembly and motor possessing same Download PDFInfo
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- CN205141856U CN205141856U CN201520924616.8U CN201520924616U CN205141856U CN 205141856 U CN205141856 U CN 205141856U CN 201520924616 U CN201520924616 U CN 201520924616U CN 205141856 U CN205141856 U CN 205141856U
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- magnet groove
- rotor core
- rotor
- axle
- rotor assembly
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Abstract
The utility model discloses a rotor assembly and motor possessing same, wherein, the rotor subassembly includes rotor core, rotor core is last to be equipped with a plurality of magnet grooves, every magnet inslot is equipped with a magnetic part respectively, the both ends in every magnet groove are equipped with respectively and separate the magnetic bridge with the magnet groove switches on, use through the imaginary line of rotor core's a rotation center and an arbitrary magnetic part of perpendicular to as the d axle, use through the straight line at rotor core's rotation center and the center in two arbitrary adjacent magnet grooves as the q axle, be equipped with a plurality of spaced apart arc holes of arranging between two arbitrary adjacent q axles and the d axle respectively, two arbitrary adjacent q axles are the same with the centre of a circle that a plurality of arc pore pairs between the d axle were answered. According to the utility model discloses a rotor subassembly can improve the air -gap flux density wave form of rotor subassembly and the back -emf wave form of rotor subassembly, when using in the motor as if the rotor subassembly of this structure, can improve back -emf wave form and magnetism condensation wave shape to the electromagnetic noise of motor has been improved.
Description
Technical field
The utility model relates to technical field of motors, more specifically, relates to a kind of rotor assembly and has its motor.
Background technology
The rotor core inside of magneto is provided with magnet groove for placing magnetic part, and motor relies on the magnetic field of magnetic part and the magnetic field interaction of stator coil and produces electromagnetic force, thus rotor assembly is rotated relative to stator module.The magnetic part of the interior permanent magnet machines in correlation technique is parallel magnetization, is unfavorable for that the formation of sineization air-gap field is with reduced harmonic, and therefore, the radial electromagnetic force of this motor is large, and vibration noise is high, and motor performance is poor.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of rotor assembly, the structure of this rotor assembly is simple, and noise is low, performance good.
The utility model also proposes a kind of motor with above-mentioned rotor assembly.
According to the rotor assembly of the utility model first aspect, comprise rotor core, described rotor core is provided with multiple magnet groove arranged spaced apart along its circumference, a magnetic part is respectively equipped with in each described magnet groove, the two ends of each described magnet groove be respectively equipped with the conducting of described magnet groove every magnetic bridge, with through described rotor core pivot and perpendicular to the imaginary line of magnetic part described in any one for d axle, with the straight line through the pivot of described rotor core and the center of any two adjacent described magnet grooves for q axle, multiple arcuate socket arranged spaced apart is respectively equipped with between any two adjacent described q axles and described d axle, the center of circle that any two adjacent described q axles are corresponding with the multiple described arcuate socket between described d axle is identical.
According to rotor assembly of the present utility model, by arranging every magnetic bridge at the two ends of each magnet groove, between each magnet groove and the edge, periphery of rotor core, multiple arcuate socket is set, and make the center of circle that any two adjacent q axles are corresponding with the multiple arcuate sockets between d axle identical, the air gap magnetic density waveform of rotor assembly and the counter potential waveform of rotor assembly can be improved, if when the rotor assembly of this structure is applied in motor, counter potential waveform and magnetic flux density waveforms can be improved, thus improve the electromagnetic noise of motor, improve the performance of motor.
In addition, according to rotor assembly of the present utility model, following additional technical characteristic can also be had:
According to an embodiment of the present utility model, each described magnet groove two ends described every magnetic bridge radially outward then extending along the circumference of described rotor core to the d axle of the described magnet groove of correspondence respectively along described rotor core.
According to an embodiment of the present utility model, the length of each described magnetic part is greater than the distance described in corresponding two every between the inner of magnetic bridge respectively.
According to an embodiment of the present utility model, the angle of the angle formed between each described the inner every magnetic bridge at described magnet groove two ends and the line of the pivot of described rotor core is α, 25 ° of < α < 60 °.
According to an embodiment of the present utility model, the outline line of each described arcuate socket is formed as one or more snippets matching line segment be connected or matched curve.
According to an embodiment of the present utility model, the multiple described arcuate socket between adjacent two described q axles is arranged in pairs, and often pair of described arcuate socket becomes splayed symmetrical relative to the described d axle between these two described q axles.
According to an embodiment of the present utility model, multiple described magnet groove is in a center of symmetry about the pivot of described rotor core, arranging every the d axial symmetry of magnetic bridge relative to magnet groove described in this of each described magnet groove two ends.
According to an embodiment of the present utility model, between the edge, periphery of each described magnet groove and described rotor core, be at least provided with four described arcuate sockets.
According to an embodiment of the present utility model, described rotor core comprises multiple rotor punching laminating setting, and the width of described arcuate socket is greater than the thickness of described rotor punching.
According to the motor of the utility model second aspect, comprise the rotor assembly according to above-described embodiment.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the rotor assembly according to the utility model embodiment;
Fig. 2 is the schematic diagram of the arcuate socket of rotor assembly according to the utility model embodiment;
Fig. 3 is the schematic diagram of the arcuate socket of rotor assembly according to another embodiment of the utility model;
Fig. 4 is the structural representation of the motor according to the utility model embodiment;
Fig. 5 is the air gap flux density harmonic amplitude comparison diagram according to the motor in the motor of the utility model embodiment and correlation technique;
Fig. 6 is the counter potential waveform comparison diagram according to the motor in the motor of the utility model embodiment and correlation technique;
Fig. 7 is the structural representation of the compressor of application the utility model embodiment motor.
Reference numeral:
Compressor 1;
Motor 100;
Stator module 10; Stator core 11; Stator winding 12; Rotor assembly 20; D axle 201; Q axle 202; Rotor core 21; Magnet groove 211; Arcuate socket 212; Every magnetic bridge 213; Installing hole 214; Magnetic part 22;
Casing 200; Container cavity 210; Bent axle 300; Cylinder 400; Base bearing 510; Supplementary bearing 520; Muffler 600.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The rotor assembly 20 according to the utility model first aspect embodiment is specifically described below in conjunction with accompanying drawing 1 to Fig. 3.
As shown in Figure 1, rotor assembly 20 according to the utility model embodiment comprises rotor core 21, rotor core 21 is provided with multiple magnet groove 211 arranged spaced apart along its circumference, a magnetic part 22 is respectively equipped with in each magnet groove 211, the two ends of each magnet groove 211 be respectively equipped with magnet groove 211 conducting every magnetic bridge 213, with through rotor core 21 pivot and perpendicular to the imaginary line of any one magnetic part 22 for d axle 201, with the straight line through the pivot of rotor core 21 and the center of any two adjacent magnet grooves 211 for q axle 202, multiple arcuate socket 212 arranged spaced apart is respectively equipped with between any two adjacent q axles 202 and d axle 201, the center of circle that any two adjacent q axles 202 are corresponding with the multiple arcuate sockets 212 between d axle 201 is identical.
In other words, this rotor assembly 20 forms primarily of rotor core 21 and magnetic part 22.Wherein, rotor core 21 is formed as column, one is limited with for installing the installing hole 214 of bent axle and multiple magnet groove 211 for placing magnetic part 22 in rotor core 21, multiple magnet groove 211 is arranged spaced apart along the circumference of rotor core 21, the two ends of each magnet groove 211 be respectively equipped with one with corresponding magnet groove 211 conducting every magnetic bridge 213, be equipped with a magnetic part 22 in each magnet groove 211 and the periphery of each magnet groove 211 and rotor core 21 along between be provided with multiple arcuate socket 212 arranged spaced apart.
As shown in Figure 1, for any single magnet groove 211, with through rotor core 21 pivot and perpendicular to the imaginary line of magnetic part 22 for d axle 201, for arbitrary neighborhood two magnet grooves 211, with the straight line at the center of the magnet groove 211 adjacent with these two of the pivot through rotor core 21 for q axle 202, wherein, the concentrically arc-shaped distribution of the multiple arcuate sockets 212 between adjacent two d axles 201 and q axle 202.
Particularly, as shown in Figure 2, if the outline line of the multiple arcuate sockets 212 between adjacent two d axles 201 and q axle 202 is all formed as arc, the outline line being positioned at the same side (outside as shown in Figure 2 and inner side) of multiple like this arcuate socket 212 is distributed on multiple concentrically ringed circular arc, here it should be noted that, " interior " can be understood as the side of the d axle 201 of contiguous corresponding magnetic part 22, its rightabout is defined as " outward ", namely away from the side of the d axle 201 of the magnetic part 22 of correspondence.
Thus, according to the rotor assembly 20 of the utility model embodiment, by arranging every magnetic bridge 213 at the two ends of each magnet groove 211, between each magnet groove 211 and the edge, periphery of rotor core 21, multiple arcuate socket 212 is set, and make the center of circle that any two adjacent q axles 202 are corresponding with the multiple arcuate sockets 212 between d axle 201 identical, the air gap magnetic density waveform of rotor assembly 20 and the counter potential waveform of rotor assembly 20 can be improved, if when the rotor assembly of this structure 20 is applied in motor 100, counter potential waveform and magnetic flux density waveforms can be improved, thus improve the electromagnetic noise of motor 100, improve the performance of motor 100.
Wherein, according to an embodiment of the present utility model, each magnet groove 211 two ends every magnetic bridge 213 radially outward then extending along the circumference of rotor core 21 to the d axle 201 of the magnet groove 211 of correspondence respectively along rotor core 21.
Particularly, as shown in Figure 1, the two ends of each magnet groove 211 be respectively equipped with one with corresponding magnet groove 211 conducting every magnetic bridge 213, to be eachly formed as first along the extending radially outwardly of rotor core 21, channel-shaped from the circumference of rotor core 21 to the d axle 201 of corresponding magnet groove 211 that then extend along every magnetic bridge 213.By arranging every magnetic bridge 213 at the two ends of each magnet groove 211, counter potential waveform can be improved further, suitably reducing cogging torque amplitude and load torque fluctuation, thus improving the electromagnetic noise of motor 100.
Preferably, according to an embodiment of the present utility model, the length of each magnetic part 22 is greater than corresponding two distances every between the inner of magnetic bridge 213 respectively.The both sides of magnet groove 211 be as shown in Figure 1 respectively equipped with along rotor core 21 radially outward then extend along the circumference of rotor core 21 to the d axle 201 of the magnet groove 211 of correspondence every magnetic bridge 213, distance between two the inners every magnetic bridge 213 (one end of the d axle 201 of contiguous corresponding magnet groove 211) of each magnet groove 211 is L2, and the length of magnetic part 22 in each magnet groove 211 is L1, the size relationship of the two meets: L1 > L2.Thus, can ensure that motor 100 is while gathering magnetic further, guarantees the sine of air gap magnetic density waveform, improve the performance of motor 100.
Further, as shown in Figure 1, the angle of the angle formed between each the inner every magnetic bridge 213 at magnet groove 211 two ends and the line of the pivot of rotor core 21 is α, 25 ° of < α < 60 °.Such as, the angle α formed between each the inner every magnetic bridge 213 at magnet groove 211 two ends and the line of the pivot of rotor core 21 is 30 °, 50 ° or 55 °, preferably, if the angle α formed between each the inner every magnetic bridge 213 at magnet groove 211 two ends and the line of the pivot of rotor core 21 is set to 43 °, the utilance of magnetic part 22 can be improved substantially, ensure that air gap magnetic density waveform sine degree is best, while improving electromagnetic noise, higher power output can be provided.
In embodiments more of the present utility model, the outline line of each arcuate socket 212 is formed as one or more snippets matching line segment be connected or matched curve.In other words, the outline line on its arc length direction (outline line of d axle 201 of such as contiguous corresponding magnet groove 211 and the outline line of the d axle 201 of the magnet groove 211 away from correspondence) of each arcuate socket 212 can be formed as the matched curve (embodiment as shown in Figure 2) that one section of matched curve or multistage are connected, also one or more snippets matching line segment be connected or matching line segment (embodiment as shown in Figure 3) can be formed, the fitted shapes of outline line is roughly formed as arc-shaped, thus realizes the rationalization of the magnetic circuit of rotor assembly 20.
Further, the multiple arcuate sockets 212 between adjacent d axle 201 and q axle 202 concentrically circle distribute, and the center of circle that namely two adjacent q axles 202 are corresponding with the multiple arcuate sockets 212 between d axle 201 is identical.As shown in Figures 2 and 3, in these two embodiments, three arcuate sockets 212 arranged spaced apart are provided with between adjacent two d axles 201 and q axle 202, the arc radius being wherein positioned at the position of outermost arcuate socket 212 correspondence is R1, the arc radius being positioned at the position of arcuate socket 212 correspondence of inner side is R3, the radius being positioned at the circular arc of arcuate socket 212 correspondence in centre position is R2, and R2-R1=R3-R2.Thus, can ensure that adjacent arcuate socket 212 distributes roughly equally spacedly, improve the air gap magnetic density waveform of rotor assembly 20 and the counter potential waveform of rotor assembly 20 further, improve the performance of motor 100.
Alternatively, according to an embodiment of the present utility model, the multiple arcuate sockets 212 between adjacent two q axles 202 are arranged in pairs, and often pair of arcuate socket 212 is symmetrical relative to the d axle 201 one-tenth splayeds between these two q axles 202.
Particularly, as shown in Figure 1 to Figure 3, multiple arcuate sockets 212 between the edge, periphery of each magnet groove 211 and rotor core 21 are arranged in pairs, one in often pair of arcuate socket 212 side being positioned at the d axle 201 of corresponding magnet groove 211, and another in often pair of arcuate socket 212 is positioned at the opposite side of the d axle 201 of corresponding magnet groove 211, and the convergence shape that often pair of arcuate socket 212 one-tenth splayeds are symmetrical, and each arcuate socket 212 is roughly along rotor radial distribution, ensure that magnetic circuit converges towards the pole center of the magnetic part 22 in the magnet groove 211 of correspondence simultaneously.
Thus, by being arranged so that the shape that magnetic flux entirety converges along d axle 201, the power output of lifting motor 100 effectively by arcuate socket 212 and every magnetic bridge 213.
Preferably, according to an embodiment of the present utility model, multiple magnet groove 211 is in a center of symmetry about the pivot of rotor core 21, being symmetrical arranged every the d axle 201 of magnetic bridge 213 relative to this magnet groove 211 of each magnet groove 211 two ends.Thus, rotor core 21 not only can be made to process, easily manufactured, and the air gap magnetic density waveform of rotor assembly 20 and the counter potential waveform of rotor assembly 20 can be improved, improve the performance of motor 100.
In embodiments more of the present utility model, between the edge, periphery of each magnet groove 211 and rotor core 21, be at least provided with four arcuate sockets 212.That is, two pairs of arcuate sockets 212 are at least provided with between the edge, periphery of each magnet groove 211 and rotor core 21, wherein two arcuate sockets 212 are positioned at the side of the d axle 201 of corresponding magnet groove 211, two other arcuate socket 212 is positioned at the opposite side of the d axle 201 of corresponding magnet groove 211, the indices of motor 100 can be improved so more significantly, improve the performance of motor 100.
Wherein, according to an embodiment of the present utility model, rotor core 21 comprises multiple rotor punching (not shown) laminating setting, and the width of arcuate socket 212 is greater than the thickness of rotor punching.Thus, the rotor assembly 20 of this kind of structure effectively while magnetic, can also be conducive to the processing of rotor core 21, manufacture at guarantee arcuate socket 212 air gap.Further, the rotor core 21 of the rotor assembly 20 of the utility model embodiment can directly adopt rotor outer periphery to be the structure of full circle, the rotor assembly 20 of this kind of structure is the rotor assembly 20 of non-completely circular structure relative to periphery, there is better manufacturing, also there is less wind moussing loss, thus improve motor 100 efficiency further.
The motor 100 according to the utility model second aspect embodiment is specifically described below in conjunction with accompanying drawing 1 to Fig. 6.
As shown in Figure 4, according to the motor 100 of the utility model embodiment, comprise the rotor assembly 20 according to above-described embodiment.Particularly, this motor 100 forms primarily of stator module 10 and rotor assembly 20, wherein, stator module 10 forms primarily of stator core 11 and stator winding 12, stator winding 12 winding, on stator core 11, to be set in outside stator module 10 on rotor assembly 20 and rotor assembly 20 is rotatable relative to stator module 10.
Wherein, as shown in Figure 5, with in correlation technique without every magnetic bridge 213 permagnetic synchronous motor compared with, by configuring arcuate socket 212 at rotor core 21 and every magnetic bridge 213, the air gap magnetic density waveform of motor 100 is improved, 3rd, 7,9,11,13 subharmonic amplitudes all reduce, and the 5th harmonic amplitude is suitable.As shown in Figure 6, compared with the permagnetic synchronous motor in correlation technique, by configuring arcuate socket 212 at rotor core 21 and every magnetic bridge 213, making the counter potential waveform of motor 100 improve, 5th, 11,13 back-emf harmonic waves significantly reduce, and the 7th subharmonic has increased slightly.
Because the rotor assembly 20 according to the utility model embodiment has above-mentioned technique effect, therefore, motor 100 according to the embodiment of the present application also has above-mentioned technique effect, namely the structure of this motor 100 is simple, processing and manufacturing easy, can improve air gap magnetic density waveform and the counter potential waveform of motor 100, suitably reduces cogging torque amplitude and load torque fluctuation, improve the radial electromagnetic force of motor 100, the electromagnetic noise of this motor 100 is low, and efficiency is high, and performance is good.
As shown in Figure 7, if this motor 100 is applied in compressor 1, particularly, this compressor 1 is primarily of the motor 100 of the utility model embodiment, casing 200, bent axle 300, cylinder 400, base bearing 510, supplementary bearing 520 and muffler 600 form, wherein be limited with in casing 200 for mounted motor 100, bent axle 300, cylinder 400, base bearing 510, supplementary bearing 520, the container cavity 210 of muffler 600 grade, because the motor 100 according to the utility model embodiment has above-mentioned technique effect, therefore, compressor 1 according to the embodiment of the present application also has above-mentioned technique effect, namely the structure of this compressor 1 is simple, noise is low, combination property is high.
To form according to other of the motor 100 of the utility model embodiment and compressor 1 and operation is all known for those of ordinary skills, be not described in detail here.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (10)
1. a rotor assembly, is characterized in that, comprises rotor core, described rotor core is provided with multiple magnet groove arranged spaced apart along its circumference, be respectively equipped with a magnetic part in each described magnet groove, the two ends of each described magnet groove be respectively equipped with the conducting of described magnet groove every magnetic bridge
With through described rotor core pivot and perpendicular to the imaginary line of magnetic part described in any one for d axle, with the straight line through the pivot of described rotor core and the center of any two adjacent described magnet grooves for q axle, be respectively equipped with multiple arcuate socket arranged spaced apart between any two adjacent described q axles and described d axle, the center of circle that any two adjacent described q axles are corresponding with the multiple described arcuate socket between described d axle is identical.
2. rotor assembly according to claim 1, is characterized in that, each described magnet groove two ends described every magnetic bridge radially outward then extending along the circumference of described rotor core to the d axle of the described magnet groove of correspondence respectively along described rotor core.
3. rotor assembly according to claim 2, is characterized in that, the length of each described magnetic part is greater than the distance described in corresponding two every between the inner of magnetic bridge respectively.
4. rotor assembly according to claim 2, it is characterized in that, the angle of the angle formed between each described the inner every magnetic bridge at described magnet groove two ends and the line of the pivot of described rotor core is α, 25 ° of < α < 60 °.
5. rotor assembly according to claim 1, is characterized in that, the outline line of each described arcuate socket is formed as one or more snippets matching line segment be connected or matched curve.
6. rotor assembly according to claim 1, is characterized in that, the multiple described arcuate socket between adjacent two described q axles is arranged in pairs, and often pair of described arcuate socket becomes splayed symmetrical relative to the described d axle between these two described q axles.
7. rotor assembly according to claim 1, is characterized in that, multiple described magnet groove is in a center of symmetry about the pivot of described rotor core, arranging every the d axial symmetry of magnetic bridge relative to magnet groove described in this of each described magnet groove two ends.
8. rotor assembly according to claim 1, is characterized in that, is at least provided with four described arcuate sockets between the edge, periphery of each described magnet groove and described rotor core.
9. rotor assembly according to claim 1, is characterized in that, described rotor core comprises multiple rotor punching laminating setting, and the width of described arcuate socket is greater than the thickness of described rotor punching.
10. a motor, is characterized in that, comprises the rotor assembly according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520924616.8U CN205141856U (en) | 2015-11-18 | 2015-11-18 | Rotor assembly and motor possessing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520924616.8U CN205141856U (en) | 2015-11-18 | 2015-11-18 | Rotor assembly and motor possessing same |
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| Publication Number | Publication Date |
|---|---|
| CN205141856U true CN205141856U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520924616.8U Active CN205141856U (en) | 2015-11-18 | 2015-11-18 | Rotor assembly and motor possessing same |
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| CN (1) | CN205141856U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109155551A (en) * | 2016-05-31 | 2019-01-04 | 三菱电机株式会社 | Rotor, motor, compressor, pressure fan and air conditioner |
| CN114123568A (en) * | 2020-09-01 | 2022-03-01 | 上海海立电器有限公司 | Rotor punching sheet, motor rotor and motor |
| CN118554671A (en) * | 2024-07-29 | 2024-08-27 | 小米汽车科技有限公司 | Rotor structure, motor and vehicle |
-
2015
- 2015-11-18 CN CN201520924616.8U patent/CN205141856U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109155551A (en) * | 2016-05-31 | 2019-01-04 | 三菱电机株式会社 | Rotor, motor, compressor, pressure fan and air conditioner |
| CN109155551B (en) * | 2016-05-31 | 2020-07-14 | 三菱电机株式会社 | Rotor, motor, compressor, blower, and air conditioner |
| CN114123568A (en) * | 2020-09-01 | 2022-03-01 | 上海海立电器有限公司 | Rotor punching sheet, motor rotor and motor |
| CN118554671A (en) * | 2024-07-29 | 2024-08-27 | 小米汽车科技有限公司 | Rotor structure, motor and vehicle |
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