CN104158322A - Motor rotor and motor with same - Google Patents
Motor rotor and motor with same Download PDFInfo
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- CN104158322A CN104158322A CN201410374844.2A CN201410374844A CN104158322A CN 104158322 A CN104158322 A CN 104158322A CN 201410374844 A CN201410374844 A CN 201410374844A CN 104158322 A CN104158322 A CN 104158322A
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Abstract
The invention discloses a motor rotor and a motor with the same. The motor rotor comprises a main body and multiple steel magnets, wherein the main body is provided with a rotor hole and multiple steel magnet grooves encircling the rotor hole; the outer profile of the main body comprises a plurality of concentric arc sections concentric with the rotor hole and connecting line segments connected between adjacent concentric arc sections; the concentric arc sections are in one-one correspondence with the steel magnet grooves in the radial direction respectively; each connecting line segment comprises one or more straight line segments; the included angle beta between the central normal line of each straight line segment and the connected line of the midpoint of the central normal line and the center of the rotor hole is not smaller than 0 degree and not greater than 20 degrees; at least one steel magnet is arranged inside each steel magnet groove. According to the motor rotor provided by the embodiment of the invention, the outer profile of the main body comprises the concentric arc sections and connecting line segments connected between adjacent concentric arc sections, so that the reduction of the counter potential harmonic content of the motor is facilitated, and the cogging torque pulsation and electromagnetic torque pulsation of the motor are reduced.
Description
Technical field
The present invention relates to machine field, especially relate to a kind of rotor and there is its motor.
Background technology
In traditional interior permanent magnet machines, there are the following problems:
One, motor cogging torque is large, and electromagnetic torque pulsation is large;
Two, back-emf harmonic content is higher, and particularly low-frequency harmonics content is very high;
Three, motor quadrature axis inductance is larger, and motor power factor is low, causes controller capacity large, and cost is high;
Four, electric efficiency is low;
Five, motor noise vibration is large.
To this, existing existing a kind of improvement project, by the center of circle of the center of circle of the interior circular arc end face of stator tooth, rotor outer circle arc all with the misalignment of rotor hole.Yet, although this scheme has solved above-mentioned first, second problem, but still there is defect.Particularly, in stator, arc eccentric can reduce stator slot area, reduces the motor number of turn, and then affects electric efficiency; In addition, the slot ripples of motor increases, and brings the increase of radial vibration, causes the increase of motor electromagnetic vibration and noise.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.For this reason, the present invention proposes a kind of rotor, and described rotor is conducive to reduce back-emf harmonic wave, reduces motor cogging torque and electromagnetic torque pulsation.
The invention allows for a kind of motor that comprises above-mentioned rotor.
According to the rotor of first aspect present invention embodiment, comprise: body, on described body, there is rotor hole and around many magnet steel grooves of described rotor hole, the outline of described body comprises many with the concentric concentric segmental arc of described rotor hole and is connected to the connecting line segment between described concentric segmental arc, described many concentric segmental arcs respectively with described many magnet steel grooves corresponding one by one in the radial direction, described connecting line segment comprises at least one straight line line segment, wherein the angle between the centre normal of every described straight line line segment and the mid point of described straight line line segment and the line at the center of described rotor hole is β, 0 °≤β≤20 °, a plurality of magnet steel, are wherein provided with at least one magnet steel in every described magnet steel groove.
According to the rotor of the embodiment of the present invention, by the outline of body being comprised to many concentric segmental arcs and being connected to the connecting line segment between adjacent concentric segmental arc, the back-emf harmonic content that is conducive to reduce motor, reduces motor cogging torque and electromagnetic torque pulsation.
According to some embodiments of the present invention, central angle alpha=360/P* θ of described concentric segmental arc, wherein P is rotor number of poles, 0 < θ≤0.8.
According to some embodiments of the present invention, described connecting line segment comprises at least two straight line line segments.
According to some embodiments of the present invention, the magnetic bridge thickness T scope limiting between the described connecting line segment adjacent thereto of the end, two ends of every described magnet steel groove is 0.3mm≤T≤1.0mm.
According to some embodiments of the present invention, between described magnet steel groove and its corresponding concentric segmental arc, there are many slits that are spaced apart from each other.By slit is set, be conducive to reduce the quadrature axis inductance of motor, reduce the capacity of motor, thereby reduce costs.
Alternatively, described many slits are symmetrical with respect to the line at the central point of described concentric segmental arc and the center of described rotor hole.
According to some embodiments of the present invention, described slit is two.
According to some embodiments of the present invention, described two slits are all parallel to the line at the central point of described concentric segmental arc and the center of described rotor hole.
According to some embodiments of the present invention, between the distance L m in the distance L between described two slits and described magnet steel groove between the two ends of magnet steel, meet:
L=Lm*k, wherein 0.2≤k≤0.8.
According to some embodiments of the present invention, one end of the described concentric segmental arc of vicinity of described two slits tilts towards the line at the central point of described concentric segmental arc and the center of described rotor hole.
According to some embodiments of the present invention, the distance between one end of the described concentric segmental arc of vicinity of described two slits is L1, and the distance between one end of the described magnet steel groove of vicinity of described two slits is L2, wherein 0.5≤L1/L2≤0.8.
Further, the distance in described magnet steel groove between the two ends of magnet steel is Lm, wherein L2=Lm*k, wherein 0.2≤k≤0.8.
According to some embodiments of the present invention, one end of the described concentric segmental arc of vicinity of described slit is H1 with the distance between described concentric segmental arc, one end of the described magnet steel groove of vicinity of described slit and the distance between described magnet steel groove are H2, wherein 0.3mm≤H1≤0.6mm, 0.3mm≤H2≤0.6mm.
According to some embodiments of the present invention, described magnet steel groove is elongate in shape and perpendicular to the line at the central point of described concentric segmental arc and the center of described rotor hole, has a magnet steel described in each in magnet steel groove.
According to the rotor of the embodiment of the present invention, by making the outline of body comprise many concentric segmental arcs and connecting line segment, between magnet steel groove and its corresponding concentric segmental arc, slit is set, can jointly suppresses tooth boots ripple, be conducive to reduce the electric and magnetic oscillation of motor simultaneously.
A kind of motor according to second aspect present invention embodiment, comprising: motor stator, has stator hole and around a plurality of stator slots of described stator hole, described stator slot is communicated with described stator hole, between adjacent stators groove, limits stator tooth on described motor stator; According to the rotor described in first aspect present invention embodiment, described rotor is rotatably located in described stator slot, and described rotor hole is concentric with described stator hole.
Owing to thering is the rotor of describing in above-described embodiment, reduced the back-emf harmonic content of motor, and reduced motor cogging torque and electromagnetic torque pulsation; In addition, reduce back-emf harmonic content and the quadrature axis inductance of motor.In addition, can also suppress tooth boots ripple, be conducive to reduce the electric and magnetic oscillation of motor.
According to some embodiments of the present invention, the radial inner end end face of described stator tooth forms the curved end with the centres of described stator hole.Like this, reducing, on the basis of motor cogging torque and electromagnetic torque pulsation, not reduce the groove area of motor, umber of turn does not need to reduce like this, thus the efficiency of lifting motor.
According to some embodiments of the present invention, between the rotor number of poles P of the quantity S of described stator slot and described rotor, meet: P/S=2/3.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the schematic diagram of motor according to an embodiment of the invention;
Fig. 2 is the schematic diagram of motor in accordance with another embodiment of the present invention.
Reference numeral:
Rotor 100;
Body 1; Rotor hole 11; Magnet steel groove 12; Concentric segmental arc 101; Connecting line segment 102;
Magnet steel 2; Slit 3;
The concentric central point of segmental arc 101 and the line X at rotor hole 11 center;
Motor stator 200; Stator hole 210; Stator slot 220;
Stator tooth 230; The radial inner end end face 231 of stator tooth
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " thickness ", " interior ", " outward ", " axially ", " radially ", " circumferentially " etc. orientation or the position relationship of indication be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; rather than indication or the hint device of indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as limitation of the present invention.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Below with reference to Fig. 1-Fig. 2, describe according to the rotor 100 of first aspect present invention embodiment, this rotor 100 is for motor.
Rotor 100 according to the embodiment of the present invention, comprising: body 1 and a plurality of magnet steel 2.
As depicted in figs. 1 and 2, have many magnet steel grooves 12 in rotor hole 11 and surrounding rotor hole 11 on body 1, the outline of body 1 comprises many with the concentric concentric segmental arc 101 of rotor hole 11 and is connected to the connecting line segment 102 between adjacent concentric segmental arc 101.Many concentric segmental arcs 101 are corresponding one by one in the radial direction at body 1 with many magnet steel grooves 12 respectively, connecting line segment 102 comprises at least one straight line line segment 1021, wherein the angle between the mid point of the centre normal of every straight line line segment 1021 and this straight line line segment and the line at rotor hole 11 center is β, 0 °≤β≤20 °.The centre normal here, referred to the mid point of straight line line segment 1021 and perpendicular to the normal of straight line line segment 1021.In some optional examples, the centre normal of every straight line line segment 1021 is through rotor hole 11 center, in other words, the mid point of every straight line line segment 1021 and the line in the center of circle be perpendicular to this straight line line segment 1021, and rotor hole 11 center and the vertical range between connecting line segment 102 are less than the radius of concentric segmental arc 101.Alternatively, connecting line segment 102 comprises at least two straight line line segments 1021.
In every magnet steel groove 12, be provided with at least one magnet steel 2.In example as depicted in figs. 1 and 2, magnet steel groove 12 is elongate in shape and perpendicular to the with one heart central point of segmental arc 101 and the line X at rotor hole 11 center, in each magnet steel groove 12, there is a magnet steel 2, in subsequent descriptions of the present invention, also by take the magnet steel groove 12 of this shape, be described as example.Certainly, the present invention is not limited to this.In other examples, magnet steel groove 12 also can form opening towards the outer peripheral V-shaped groove of body, and now, magnet steel groove 12 is interior can place two magnet steel that are spaced apart from each other (scheming not shown).
According to the rotor 100 of the embodiment of the present invention, by the outline of body 1 being comprised to many concentric segmental arcs 101 and being connected to the connecting line segment 102 between adjacent concentric segmental arc 101, the back-emf harmonic content that is conducive to reduce motor, reduces motor cogging torque and electromagnetic torque pulsation.
According to some embodiments of the present invention, central angle alpha=360/P* θ of concentric segmental arc 101 wherein P is rotor number of poles, 0 < θ≤0.8, further, 0.4≤θ≤0.8.
In example as depicted in figs. 1 and 2, between the connecting line segment 102 adjacent thereto of the end, two ends of every magnet steel groove 12, limit magnetic bridge 13, and the thickness T scope of magnetic bridge 13 is 0.3mm≤T≤1.0mm.Wherein, the magnetic bridge line at q shaft position place can adopt straight line line segment to connect.Wherein, the term of mentioning in specification of the present invention " q axle " is known by those skilled in the art, at this, is not described in detail.
In certain embodiments, as depicted in figs. 1 and 2, between magnet steel groove 12 and its corresponding concentric segmental arc 101, there are many slits 3 that are spaced apart from each other.By slit 3 is set, be conducive to reduce the quadrature axis inductance of motor, reduce the capacity of motor, thereby reduce costs.
Alternatively, many slits 3 are symmetrical with respect to the central point of concentric segmental arc 101 and the line X at rotor hole 11 center, for example, the wherein central point of a concentric segmental arc 101 and the line X at rotor hole 11 center have been shown in Fig. 1 and Fig. 2.In one example, slit 3 can be more than or equal to for quantity 3 odd number bar, and being now positioned at the most central slit 3 will be with respect to this line X self symmetry, and all the other slits 3 lay respectively at the both sides of line X and symmetrical with respect to this line X.In another example, slit 3 can be even number bar, and now even number bar slit 3 is divided into two parts by line X, and the two parts that are positioned at line X both sides are symmetrical with respect to this line X.
By take, between magnet steel groove 12 and its corresponding concentric segmental arc 101, to have two slits 3 that are spaced apart from each other be example below, and rotor according to the present invention is carried out to exemplary description.
In embodiment as shown in Figure 1, two slits 3 are all parallel to the central point of concentric segmental arc 101 and the line X at rotor hole 11 center.Take at the magnet steel groove 12 on Fig. 1 top and the slit 2 between its corresponding concentric segmental arc 101 is example, and magnet steel groove 12 is horizontally disposed with, and these two slits 2 are all perpendicular to magnet steel groove 12.Article two, between the distance L m between the distance L between slit 3 and the two ends of the interior magnet steel 2 of magnet steel groove 12, meet:
L=Lm*k, wherein 0.2≤k≤0.8.
Alternatively, one end of the concentric segmental arc 101 of vicinity of slit 3 is H1 with the distance between concentric segmental arc 101, and one end and the distance between magnet steel groove 12 of the contiguous magnet steel groove 12 of slit 3 are H2, wherein 0.3mm≤H1≤0.6mm, 0.3mm≤H2≤0.6mm, alternatively, H1=H2.
In embodiment as shown in Figure 2, one end of the concentric segmental arc 101 of the vicinity of two slits 3 tilts towards the central point of concentric segmental arc 101 and the line X at rotor hole 11 center.Article two, the distance between one end of the concentric segmental arc 101 of the vicinity of slit 3 is L1, and the distance between one end of the contiguous magnet steel groove 12 of two slits 3 is L2, wherein 0.5≤L1/L2≤0.8.Further, as shown in Figure 2, the distance between the two ends of the interior magnet steel 2 of magnet steel groove 12 is Lm, wherein L2=Lm*k, wherein 0.2≤k≤0.8.Thus, the design of slit 3 is convenient and simple.
Equally alternatively, in the present embodiment, one end of the concentric segmental arc 101 of vicinity of slit 3 is H1 with the distance between concentric segmental arc 101, one end and the distance between magnet steel groove 12 of the contiguous magnet steel groove 12 of slit 3 are H2, wherein 0.3mm≤H1≤0.6mm, 0.3mm≤H2≤0.6mm, alternatively, H1=H2.
According to the rotor of the embodiment of the present invention, by making the outline of body comprise many concentric segmental arcs and connecting line segment, between magnet steel groove and its corresponding concentric segmental arc, slit is set, can jointly suppresses tooth boots ripple, be conducive to reduce the electric and magnetic oscillation of motor simultaneously.
A kind of motor according to second aspect present invention embodiment, comprising: motor stator 200 and rotor 100, wherein rotor can be for according to the electronics rotor of first aspect present invention embodiment.As depicted in figs. 1 and 2, on motor stator 200, there is stator hole 210 and around a plurality of stator slots 220 of stator hole 210, stator slot 220 is communicated with stator hole 210, limits stator tooth 230 between adjacent stators groove 220.Rotor 100 is rotatably located in stator slot 220, and rotor hole 11 is concentric with stator hole 210.
According to the motor of the embodiment of the present invention, owing to thering is the rotor of describing in above-described embodiment, reduced the back-emf harmonic content of motor, and reduced motor cogging torque and electromagnetic torque pulsation; In addition, reduce back-emf harmonic content and the quadrature axis inductance of motor.In addition, can also suppress tooth boots ripple, be conducive to reduce the electric and magnetic oscillation of motor.
In some embodiments of the invention, the radial inner end end face 231 of stator tooth 230 forms the curved end with the centres of stator hole 210.Like this, reducing, on the basis of motor cogging torque and electromagnetic torque pulsation, not reduce the groove area of motor, umber of turn does not need to reduce like this, thus the efficiency of lifting motor.
Between the rotor number of poles P of the quantity S of stator slot 220 and rotor 100, meet: P/S=2/3.That is to say that the above-mentioned rotor according to the present invention, except the motor of four utmost point six grooves shown in Fig. 1 and Fig. 2, meets in other motors of P/S=2/3 applicable equally at sextupole nine grooves and the ends of the earth 12 grooves etc.
According to other formations of the motor of the embodiment of the present invention and operation, be all known for those of ordinary skills, be not described in detail here.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (17)
1. a rotor, is characterized in that, comprising:
Body, on described body, there is rotor hole and around many magnet steel grooves of described rotor hole, the outline of described body comprises many with the concentric concentric segmental arc of described rotor hole and is connected to the connecting line segment between described concentric segmental arc, described many concentric segmental arcs respectively with described many magnet steel grooves corresponding one by one in the radial direction, described connecting line segment comprises at least one straight line line segment, wherein the angle between the centre normal of every described straight line line segment and the mid point of described straight line line segment and the line at the center of described rotor hole is β, 0 °≤β≤20 °;
A plurality of magnet steel, are wherein provided with at least one magnet steel in every described magnet steel groove.
2. rotor according to claim 1, is characterized in that, central angle alpha=360/P* θ of described concentric segmental arc, and wherein P is rotor number of poles, 0 < θ≤0.8.
3. rotor according to claim 1, is characterized in that, described connecting line segment comprises at least two straight line line segments.
4. rotor according to claim 1, is characterized in that, the magnetic bridge thickness T scope limiting between end, the two ends described connecting line segment adjacent thereto of every described magnet steel groove is 0.3mm≤T≤1.0mm.
5. according to the rotor described in any one in claim 1-4, it is characterized in that thering are many slits that are spaced apart from each other between described magnet steel groove and its corresponding concentric segmental arc.
6. rotor according to claim 5, is characterized in that, described many slits are symmetrical with respect to the line at the central point of described concentric segmental arc and the center of described rotor hole.
7. rotor according to claim 5, is characterized in that, described slit is two.
8. rotor according to claim 7, is characterized in that, described two slits are all parallel to the line at the central point of described concentric segmental arc and the center of described rotor hole.
9. rotor according to claim 8, is characterized in that, between the distance L m in the distance L between described two slits and described magnet steel groove between the two ends of magnet steel, meets:
L=Lm*k, wherein 0.2≤k≤0.8.
10. rotor according to claim 7, is characterized in that, one end of the described concentric segmental arc of vicinity of described two slits tilts towards the line at the central point of described concentric segmental arc and the center of described rotor hole.
11. rotors according to claim 10, it is characterized in that, distance between one end of the described concentric segmental arc of vicinity of described two slits is L1, and the distance between one end of the described magnet steel groove of vicinity of described two slits is L2, wherein 0.5≤L1/L2≤0.8.
12. rotors according to claim 11, is characterized in that, the distance in described magnet steel groove between the two ends of magnet steel is Lm, wherein L2=Lm*k, wherein 0.2≤k≤0.8.
13. rotors according to claim 5, it is characterized in that, one end of the described concentric segmental arc of vicinity of described slit is H1 with the distance between described concentric segmental arc, one end of the described magnet steel groove of vicinity of described slit and the distance between described magnet steel groove are H2, wherein 0.3mm≤H1≤0.6mm, 0.3mm≤H2≤0.6mm.
14. rotors according to claim 1, is characterized in that, described magnet steel groove is elongate in shape and perpendicular to the line at the central point of described concentric segmental arc and the center of described rotor hole, has a magnet steel described in each in magnet steel groove.
15. 1 kinds of motors, is characterized in that, comprising:
Motor stator, has stator hole on described motor stator and around a plurality of stator slots of described stator hole, described stator slot is communicated with described stator hole, between adjacent stators groove, limits stator tooth;
According to the rotor described in any one in claim 1-14, described rotor is rotatably located in described stator slot, and described rotor hole is concentric with described stator hole.
16. motors according to claim 15, is characterized in that, the radial inner end end face of described stator tooth forms the curved end with the centres of described stator hole.
17. motors according to claim 15, is characterized in that, between the rotor number of poles P of the quantity S of described stator slot and described rotor, meet:
P/S＝2/3。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374844.2A CN104158322B (en) | 2014-07-31 | 2014-07-31 | Rotor and with its motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410374844.2A CN104158322B (en) | 2014-07-31 | 2014-07-31 | Rotor and with its motor |
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| CN104158322A true CN104158322A (en) | 2014-11-19 |
| CN104158322B CN104158322B (en) | 2018-05-22 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015289A1 (en) * | 2014-07-31 | 2016-02-04 | 广东威灵电机制造有限公司 | Motor rotor and motor having same |
| CN106169822A (en) * | 2016-06-15 | 2016-11-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and rotor structure thereof |
| CN106340982A (en) * | 2016-10-19 | 2017-01-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor of permanent magnet synchronous motor and motor |
| CN106787324A (en) * | 2017-02-24 | 2017-05-31 | 依必安派特风机(上海)有限公司 | A kind of rotor and motor |
| CN107852048A (en) * | 2015-09-08 | 2018-03-27 | 日立江森自控空调有限公司 | Permanent magnet type electric rotating motivation and use its compressor |
| US11171525B2 (en) | 2015-10-29 | 2021-11-09 | Fujitsu General Limited | Rotor and permanent magnet electric motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1881747A (en) * | 2005-06-13 | 2006-12-20 | 三星电子株式会社 | Permanent-magnet motor |
| CN101330231A (en) * | 2007-06-19 | 2008-12-24 | 上海海立（集团）股份有限公司 | Permanent magnet motor stator and rotor for compressor |
| CN101425708A (en) * | 2007-10-31 | 2009-05-06 | 瑞智精密股份有限公司 | Permanent-magnetic electric motor |
| CN201667564U (en) * | 2010-04-06 | 2010-12-08 | 上海海立（集团）股份有限公司 | Stator, rotor structures of a permanent magnetic electric motor |
| CN102916544A (en) * | 2011-08-01 | 2013-02-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor rotor structure, permanent-magnet synchronous motor and variable-frequency compressor |
-
2014
- 2014-07-31 CN CN201410374844.2A patent/CN104158322B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1881747A (en) * | 2005-06-13 | 2006-12-20 | 三星电子株式会社 | Permanent-magnet motor |
| CN101330231A (en) * | 2007-06-19 | 2008-12-24 | 上海海立（集团）股份有限公司 | Permanent magnet motor stator and rotor for compressor |
| CN101425708A (en) * | 2007-10-31 | 2009-05-06 | 瑞智精密股份有限公司 | Permanent-magnetic electric motor |
| CN201667564U (en) * | 2010-04-06 | 2010-12-08 | 上海海立（集团）股份有限公司 | Stator, rotor structures of a permanent magnetic electric motor |
| CN102916544A (en) * | 2011-08-01 | 2013-02-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor rotor structure, permanent-magnet synchronous motor and variable-frequency compressor |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015289A1 (en) * | 2014-07-31 | 2016-02-04 | 广东威灵电机制造有限公司 | Motor rotor and motor having same |
| US10411536B2 (en) | 2014-07-31 | 2019-09-10 | Guangdong Meizhi Compressor Co., Ltd. | Motor rotor and motor having same |
| CN107852048A (en) * | 2015-09-08 | 2018-03-27 | 日立江森自控空调有限公司 | Permanent magnet type electric rotating motivation and use its compressor |
| CN107852048B (en) * | 2015-09-08 | 2019-10-25 | 日立江森自控空调有限公司 | Permanent magnet type electric rotating motivation and the compressor for using it |
| US11171525B2 (en) | 2015-10-29 | 2021-11-09 | Fujitsu General Limited | Rotor and permanent magnet electric motor |
| EP3163716B1 (en) * | 2015-10-29 | 2021-12-08 | Fujitsu General Limited | Permanent magnet electric motor |
| CN106169822A (en) * | 2016-06-15 | 2016-11-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and rotor structure thereof |
| CN106169822B (en) * | 2016-06-15 | 2018-11-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and its rotor structure |
| CN106340982A (en) * | 2016-10-19 | 2017-01-18 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor of permanent magnet synchronous motor and motor |
| CN106340982B (en) * | 2016-10-19 | 2018-12-25 | 珠海格力电器股份有限公司 | The rotor and motor of permanent magnet synchronous motor |
| CN106787324A (en) * | 2017-02-24 | 2017-05-31 | 依必安派特风机(上海)有限公司 | A kind of rotor and motor |
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