CN204156698U - Permagnetic synchronous motor and there is its compressor - Google Patents
Permagnetic synchronous motor and there is its compressor Download PDFInfo
- Publication number
- CN204156698U CN204156698U CN201420590353.7U CN201420590353U CN204156698U CN 204156698 U CN204156698 U CN 204156698U CN 201420590353 U CN201420590353 U CN 201420590353U CN 204156698 U CN204156698 U CN 204156698U
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- rotor
- axle
- center
- synchronous motor
- permagnetic synchronous
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Abstract
The utility model discloses a kind of permagnetic synchronous motor and there is its compressor, described permagnetic synchronous motor comprises: stators and rotators, rotor comprises rotor core and multiple rotor magnet, rotor core has multiple standing groove, multiple rotor magnet is located in multiple standing groove, rotor core is formed with many slits, slit is between the standing groove and the periphery wall of rotor core of correspondence, and the slit between a d axle and a q axle is distributed in O
1on the concentric circles of point for the center of circle, some O
1and the vertical range L between straight line u
1meet: L
1>=R-L
2/ 2, be fixed point with the center O of rotor, will O be put
1be defined as line v with the line of the center O of rotor, the angle α of line v and the 2nd d axle meets: α≤270 °/P.According to permagnetic synchronous motor of the present utility model, improve air gap magnetic density waveform and counter potential waveform, reduce cogging torque amplitude and load torque fluctuation, be conducive to the reduction of radial electromagnetic force, thus improve the electromagnetic noise of motor.
Description
Technical field
The utility model relates to technical field of motor manufacture, especially relates to a kind of permagnetic synchronous motor and has its compressor.
Background technology
Point out in correlation technique, magneto has the stator being wound with coil and the rotor with permanent magnet.Rotor core inside is provided with standing groove to place permanent magnet.General needs obtain the air-gap field of sineization as far as possible, reduced harmonic, thus obtain stable torque output and as far as possible little radial electromagnetic force as far as possible, and make motor performance efficient, vibration noise is low.But interior permanent magnet machines magnet is parallel magnetization, be unfavorable for the formation of sineization air-gap field.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, an object of the present utility model is to propose a kind of permagnetic synchronous motor, and the structure of permagnetic synchronous motor is simple.
Another object of the present utility model is to propose a kind of compressor with above-mentioned permagnetic synchronous motor.
According to the permagnetic synchronous motor of the utility model first aspect, comprising: stator, and rotor, described rotor comprises rotor core and multiple rotor magnet, described rotor core has multiple standing grooves of circumferentially spaced apart distribution, described multiple rotor magnet is located in described multiple standing groove, described rotor core is formed with many slits, described slit is between the described standing groove and the periphery wall of described rotor core of correspondence, with the center O of described rotor for fixed point, the line of the described center O of the center of one of them in described multiple standing groove and described rotor is defined as a d axle, by with described multiple standing groove in described in the line of the center of one of them adjacent described standing groove and the described center O of described rotor be defined as the 2nd d axle, the angular bisector of a described d axle and described 2nd d axle is defined as a q axle, cross the described center O of described rotor and the straight line vertical with a described d axle is defined as straight line u, described slit between a wherein said d axle and a described q axle is distributed in O
1on the concentric circles of point for the center of circle, described some O
1and the vertical range L between described straight line u
1meet: L
1>=R-L
2/ 2, be fix a point, by described some O with the described center O of described rotor
1line v is defined as with the line of the described center O of described rotor, the angle α of described line v and described 2nd d axle meets: α≤270 °/P, wherein, described R be the described center O of described rotor along a described d axle to the distance between the periphery wall of described rotor, described L
2for the outside of the described standing groove of correspondence is along a described d axle to the distance between the periphery wall of described rotor, described P is rotor number of poles.
According to permagnetic synchronous motor of the present utility model, effectively improve air gap magnetic density waveform, improve counter potential waveform, reduce cogging torque amplitude and load torque fluctuation, be conducive to the reduction of radial electromagnetic force, thus improve the electromagnetic noise of motor.Meanwhile, by slit being arranged so that the overall shape poly-along d axis congruence of magnetic flux, the power output of lifting motor effectively.When permagnetic synchronous motor is applied on the compressor, achieve low noise and the high efficiency of compressor noise.
Alternatively, described some O
1be positioned on a described q axle.
Preferably, the intersection point crossing the periphery wall of a described d axle and described rotor makes the tangent line m of described rotor, described some O
1for the intersection point of a described q axle and described tangent line m.
Alternatively, have many articles of described slits between a described d axle and a described q axle, the distance between two adjacent described slits is all equal.
Alternatively, the described slit between the periphery wall of described rotor and corresponding described standing groove is symmetrical about the line of the center of corresponding described standing groove and the described center O of described rotor.
Further, described in every bar, slit is made up of straight line and/or curve.
Alternatively, slit described in every bar is circular shape.
Or alternatively, slit described in every bar is formed by one or more snippets straightway matching.
Alternatively, described rotor core forms by multiple rotor punching is stacked, and wherein the width of each described slit is greater than the thickness of corresponding described rotor punching.
Alternatively, the number of the described slit between each described standing groove and the periphery wall of described rotor is n, and described n meets: n >=4.
According to the compressor of the utility model second aspect, comprise the permagnetic synchronous motor according to the above-mentioned first aspect of the utility model.
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
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of the permagnetic synchronous motor according to the utility model embodiment, and wherein rotor number of poles is 4;
Fig. 2 is the schematic diagram of the rotor shown in Fig. 1;
Fig. 3 a and Fig. 3 b is the partial schematic diagram of the rotor with difform gap;
Fig. 4 is another schematic diagram of the rotor shown in Fig. 1;
Fig. 5 is that employing is according to the variation diagram of the air gap magnetic density waveform of the permagnetic synchronous motor of the utility model embodiment with gap number n;
Fig. 6 is that employing is according to the variation diagram of the back emf waveform of the permagnetic synchronous motor of the utility model embodiment with gap number n;
Fig. 7 is that employing is according to the variation diagram of the cogging torque amplitude of the permagnetic synchronous motor of the utility model embodiment with gap number n;
Fig. 8 is the schematic diagram of the permagnetic synchronous motor according to another embodiment of the utility model, and wherein rotor number of poles is 6;
Fig. 9 is the schematic diagram of the rotor shown in Fig. 8;
Figure 10 is the longitudinal sectional drawing of the compressor according to the utility model embodiment.
Reference numeral:
100: permagnetic synchronous motor;
1: stator; 11: stator core; 111: stator slot; 12: stator winding;
2: rotor; 21: rotor core; 211: standing groove; 212: slit; 22: rotor magnet;
31: the one d axles; 32: the two d axles; 33: the one q axles;
200: compressor;
201: housing; 202: cylinder; 2021: compression chamber; 203: base bearing; 204: supplementary bearing;
205: piston; 206: bent axle; 2061: eccentric part.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " 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 one or more these features.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Below with reference to Fig. 1-Fig. 9, the permagnetic synchronous motor 100 according to the utility model first aspect embodiment is described.
As illustrated in figures 1 and 8, according to the permagnetic synchronous motor 100 of the utility model first aspect embodiment, comprise stator 1 and rotor 2.Wherein, stator 1 is configured in outside rotor 2.
The stator winding 12 that stator 1 comprises stator core 11 and is wrapped on stator core 11.With reference to Fig. 1 and Fig. 8, the multiple stator slots 111 stator core 11 being formed with the centre bore for holding rotor 2 and being communicated with centre bore, multiple stator slot 111 is uniformly distributed in the circumference of stator core 11, and stator winding 12 is wrapped on stator core 11 through multiple stator slot 111.
Be appreciated that the number of stator slot 111 specifically can be arranged according to actual requirement, such as, show six stator slots 111 in the example of fig. 1, show nine stator slots 111 in the example of fig. 8, but be not limited thereto.
Rotor 2 comprises rotor core 21 and multiple rotor magnet 22, rotor core 21 has multiple standing grooves 211 of circumferentially spaced apart distribution, multiple standing groove 211 is preferably uniformly distributed along the circumference of rotor core 21, multiple rotor magnet 22 is located in multiple standing groove 211, as shown in Figure 1, in each standing groove 211, a rotor magnet 22 is all installed.Wherein, each rotor magnet 22 is permanent magnet.After permagnetic synchronous motor 100 is energized, the magnetic field of permanent magnet of rotor 2 and stator winding 12 magnetic field interaction produce electromagnetic force, and rotor 2 is rotated.
Wherein, rotor core 21 is formed with many slits 212, slit 212 is elongated shape, and substantially extends along the radial direction of rotor core 21, slit 212 is between the standing groove 211 and the periphery wall of rotor core 21 of correspondence, and now slit 212 is positioned at the outside of standing groove 211.It should be noted that, slit 212 is the slot apertures of narrow elongate.
As shown in Figure 2, with the center O of rotor 2 for fixed point, by one of them in multiple standing groove 211 (such as, the standing groove 211 of the top in Fig. 2) center and the line of center O of rotor 2 be defined as a d axle 31, by with one of them the adjacent standing groove 211 above-mentioned in multiple standing groove 211 (such as, the standing groove 211 on right side in Fig. 2) center and the line of center O of rotor 2 be defined as the 2nd d axle 32, the angular bisector of the one d axle 31 and the 2nd d axle 32 is defined as a q axle 33, now the angle of a q axle 33 and a d axle 31 equals the angle of a q axle 33 and the 2nd d axle 32.Wherein, a d axle 31, the 2nd d axle 32 and a q axle 33 are with the ray of the center O of rotor 2 for fixed point.Here, it should be noted that, the definition of d axle, q axle etc., known by those skilled in the art, are not described in detail here.
Wherein, the slit 212 between a d axle 31 and a q axle 33 is distributed in O
1on the concentric circles of point for the center of circle.Here following two kinds of situations are comprised: the slit 212 the first, between a d axle 31 and a q axle 33 is one article; The second, the slit 212 between a d axle 31 and a q axle 33 is many articles, namely two or more.
In the first case described above, the above-mentioned one article of slit 212 between a d axle 31 and a q axle 33 is positioned at O
1on the circle of point for the center of circle.In the latter case, the many articles of slits 212 between a d axle 31 and a q axle 33 lay respectively at O
1on the concentric circles of point for the center of circle, in other words, many slits 212 are positioned at O
1on multiple circles that point is the center of circle, radius is different.Be appreciated that with O
1point is that the concrete radius of the circle in the center of circle specifically can be selected according to actual requirement, and the utility model does not make particular determination to this.
Every bar slit 212 is arc-shaped or matching line segment shape, and namely slit 212 roughly by arc-shaped distribution, also can adopt the mode of straight line or curve circular arc, thus realize the rationalization of magnetic circuit.
Specifically, every bar slit 212 can be made up of straightway and/or curved section, and that is, every bar slit 212 can be formed by one or more snippets straightway configuration example such as matching, also can be made up of one or more snippets curved section, or every bar slit 212 is the combination of straightway and curved section.It is to be appreciated that no matter how the concrete shape of slit 212 is formed, the shape of every bar slit 212 should be substantially identical with the arc-shaped profile of the circle at its place.
Further, every bar slit 212 is one or more in the shape such as straightway, arc, and fitted shapes trend is roughly by arc-shaped distribution.Such as in the example of Fig. 3 a, every bar slit 212 is circular shape.Such as in the example of Fig. 3 b, every bar slit 212 is formed by two sections of straightway matchings.
Point O
1and the vertical range L between straight line u
1meet:
L
1≥R-L
2/2
Wherein, straight line u was the center O of rotor 2 and the straight line vertical with a d axle 31, R be the center O of rotor 2 along a d axle 31 to the distance between the periphery wall of rotor 2, L
2for the outside of the standing groove 211 of correspondence is along a d axle 31 to the distance between the periphery wall of rotor 2.Here, it should be noted that, when the periphery of rotor 2 is completely circular structure, be a complete circle, R is the radius of rotor 2; On the direction parallel with a d axle 31, L
2for the ultimate range between the outside of the standing groove 211 of correspondence and the periphery wall of rotor 2.
Be appreciated that the utility model is equally applicable to the permagnetic synchronous motor 100 that rotor 2 periphery is non-completely circular structure.Here, it should be noted that, rotor 2 periphery is preferably completely circular structure, thus, has better manufacturing, also has less wind moussing loss, thus can lifting motor efficiency further.
The angle α of line v and the 2nd d axle 32 meets:
α≤270°/P
Wherein, be fixed point with the center O of rotor 2, will O be put
1be defined as line v with the line of the center O of rotor 2, line v is with the ray of the center O of rotor 2 for fixed point.P is rotor number of poles.It should be noted that, on rotor core 21, the generation type of the slit 212 of other position is identical with the generation type of the slit 212 between the d axle 31 shown in Fig. 2 and a q axle 33, repeats no more here.
With reference to Fig. 1 composition graphs 2-Fig. 4, rotor number of poles P=4, and the 2nd d axle 32 overlaps with straight line u.Every article of slit 212 between one d axle 31 and a q axle 33 is roughly pressed with an O
1for the arc-shaped in the center of circle distributes, from P=4, some O
1α≤67.5 ° are met to the line v of rotor 2 center O and the angle α of the 2nd d axle 32, and some O
1to the vertical range L of straight line u
1meet L
1>=R-L
2/ 2, now every bar slit 212 is roughly the arc-shaped gone out towards the d crown of roll of correspondence.Thus, while setting slit 212 global shape, ensure that slit 212 is roughly along rotor 2 radial distribution, ensure that magnetic circuit converges towards rotor 2 pole center simultaneously.
With reference to Fig. 8 composition graphs 9, rotor number of poles P=6, the 2nd d axle 32 does not overlap with straight line u.Every article of slit 212 between one d axle 31 and a q axle 33 is roughly pressed with an O
1for the arc-shaped in the center of circle distributes, from P=6, some O
1α≤45 ° are met to the line v of rotor 2 center O and the angle α of the 2nd d axle 32, and some O
1to the vertical range L of straight line u
1meet L
1>=R-L
2/ 2, now every bar slit 212 is roughly the arc-shaped gone out towards the d crown of roll of correspondence.
Thus, wide according to the applicability of the structure of the permagnetic synchronous motor 100 of the utility model embodiment, can be applicable to the IPM synchronous motor 100 of the various number of poles such as 4 poles, 6 poles.
Fig. 5 is the variation diagram of air gap magnetic density waveform with slit number n of the permagnetic synchronous motor 100 of application the utility model embodiment.As can be seen from Figure 5, when slit number n is lower, air gap magnetic density waveform distortion is large; And along with slit number n larger, air gap magnetic density waveform sine degree is better.Wherein, n is the number of the slit 212 between each standing groove 211 and the periphery wall of rotor 2, i.e. each magnetic pole slit number, such as in the figure 2 example, and n=10.
Fig. 6 is the variation diagram of back emf waveform with slit number n of the permagnetic synchronous motor 100 of application the utility model embodiment.As can be seen from Figure 6, when slit number n is lower, back emf waveform distortion is large; And along with slit number n larger, back emf waveform sine degree is better.Especially, when n >=4, back emf waveform is improved better.
Fig. 7 is the variation diagram of cogging torque amplitude with slit number n of the permagnetic synchronous motor 100 of application the utility model embodiment.As can be seen from Figure 7, as slit number n < 4, cogging torque amplitude is larger; When n >=4, cogging torque amplitude reduces effect clearly, and this is very favorable for improving electromagnetic noise.
Comprehensive air gap magnetic density waveform, counter potential waveform and cogging torque amplitude are with the variation tendency of slit number n, and the utility model chooses slit number n >=4 between each standing groove 211 and the periphery wall of rotor 2.Be appreciated that the concrete numerical value of slit number n specifically can be arranged according to actual requirement, the utility model does not do concrete restriction to this.
According to the permagnetic synchronous motor 100 of the utility model embodiment, effectively improve air gap magnetic density waveform, improve counter potential waveform further, reduce cogging torque amplitude and load torque fluctuation, be conducive to the reduction of radial electromagnetic force, thus improve the electromagnetic noise of motor.Meanwhile, by slit 212 being arranged so that the overall shape poly-along d axis congruence of magnetic flux, the power output of lifting motor effectively.When permagnetic synchronous motor 100 is applied on compressor 200, achieve low noise and the high efficiency of compressor 200 noise.
According to an embodiment of the present utility model, have many articles of slits 212 between a d axle 31 and a q axle 33, the distance between two adjacent slits 212 is all equal.As shown in Figure 3 a and Figure 3 b shows, there are between one d axle 31 and a q axle 33 five articles of slits 212, article five, the radius of slit 212 is followed successively by R1, R2, R3, R4, R5 from small to large, and R1, R2, R3, R4, R5 meet following relation substantially: R2-R1=R3-R2=R4-R3=R5-R4.Thus, ensure that adjacent slots 212 distributes roughly equally spacedly, thus the performance of permagnetic synchronous motor 100 can be improved further, reduce vibration noise.
As shown in Figure 4, O is put
1be positioned on a q axle 33, to form the slit 212 optimizing magnetic circuit further.Preferably, the intersection point crossing the periphery wall of a d axle 31 and rotor 2 makes the tangent line m of rotor 2, some O
1it is the intersection point of a q axle 33 and tangent line m.Thus, the utilance of rotor magnet 22 is the highest, and air gap magnetic density waveform sine degree is best, while improving electromagnetic noise further, provides higher power output.And, O
1point is chosen conveniently, saves the time, thus has saved cost.
Preferably, the slit 212 between the periphery wall of rotor 2 and corresponding standing groove 211 is symmetrical about the line of the center of corresponding standing groove 211 and the center O of rotor 2, and that is, slit 212 is symmetrical along magnetic pole center line.Thus, the sine of air gap magnetic density waveform is further ensured.
With reference to Fig. 2, Fig. 4 and Fig. 9, many slits 212 between a standing groove 211 and the periphery wall of rotor 2 are symmetrical about the line of the center of this standing groove 211 and the center O of rotor 2.Such as, as shown in Figure 2 and Figure 4, ten slits 212 between the standing groove 211 of the top and the periphery wall of rotor 2 are symmetrical, and specifically, the five articles of slits 212 on the left of a d axle 31 are symmetrical about a d axle 31 with five articles of slits 212 on the right side of it.
Alternatively, rotor core 21 forms by multiple rotor punching (scheming not shown) is stacked, and wherein the width of each slit 212 is greater than the thickness of corresponding rotor punching.Wherein, multiple rotor punching preferred thickness is equal.Thus, at guarantee slit 212 air gap effectively while magnetic, be also conducive to the manufacture processing of rotor 2.
According to the permagnetic synchronous motor 100 of the utility model embodiment, the structure of permagnetic synchronous motor 100 is simple, performance efficiency, and noise is low.
As shown in Figure 10, according to the compressor 200 of the utility model second aspect embodiment, comprise the permagnetic synchronous motor 100 according to the above-mentioned first aspect embodiment of the utility model.Wherein, compressor 200 can be single cylinder or multicylinder compressor.
Such as in the example of Figure 10, compressor 200 also comprises housing 201 and compressing mechanism, and permagnetic synchronous motor 100 and compressing mechanism are all contained in housing 201, and permagnetic synchronous motor 100 and compressing mechanism setting up and down.Specifically, compressing mechanism comprises cylinder 202, base bearing 203, supplementary bearing 204, bent axle 206, piston 205 and slide plate (scheming not shown), base bearing 203 is located at the top of cylinder 202, and supplementary bearing 204 is located at the bottom of cylinder 202, base bearing 203, supplementary bearing 204 and cylinder 202 limit compression chamber 2021 jointly, piston 205 is located in compression chamber 2021 and inwall along compression chamber 2021 can roll, cylinder 202 is formed with vane slot, slide plate is located in vane slot movably, the inner of slide plate and the periphery wall of piston 205 only support, the upper end of bent axle 206 and the rotor 2 of permagnetic synchronous motor 100 are fixed, the lower end of bent axle 206 is stretched in compression chamber 2021 through base bearing 203, bent axle 206 has eccentric part 2061, eccentric part 2061 is positioned at compression chamber 2021 and rotates to drive sheathed piston 205 thereon.Thus, when compressor 200 works, can the refrigerant entered in compression chamber 2021 be compressed.
According to the compressor 200 of the utility model embodiment, by adopting the permagnetic synchronous motor 100 according to the above-mentioned first aspect embodiment of the utility model, the performance of compressor 200 can be promoted, reducing the noise of compressor 200.
According to other configuration examples of the compressor 200 of the utility model embodiment as waited and operation is all known to those skilled in the art, be not described in detail here.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " 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, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (11)
1. a permagnetic synchronous motor, is characterized in that, comprising:
Stator; With
Rotor, described rotor comprises rotor core and multiple rotor magnet, described rotor core has multiple standing grooves of circumferentially spaced apart distribution, described multiple rotor magnet is located in described multiple standing groove, described rotor core is formed with many slits, described slit is between the described standing groove and the periphery wall of described rotor core of correspondence
With the center O of described rotor for fixed point, the line of the described center O of the center of one of them in described multiple standing groove and described rotor is defined as a d axle, by with described multiple standing groove in described in the line of the center of one of them adjacent described standing groove and the described center O of described rotor be defined as the 2nd d axle, the angular bisector of a described d axle and described 2nd d axle is defined as a q axle
Cross the described center O of described rotor and the straight line vertical with a described d axle is defined as straight line u,
Described slit between a wherein said d axle and a described q axle is distributed in O
1on the concentric circles of point for the center of circle, described some O
1and the vertical range L between described straight line u
1meet: L
1>=R-L
2/ 2,
With the described center O of described rotor be fixed point, by described some O
1be defined as line v with the line of the described center O of described rotor, the angle α of described line v and described 2nd d axle meets: α≤270 °/P,
Wherein, described R be the described center O of described rotor along a described d axle to the distance between the periphery wall of described rotor, described L
2for the outside of the described standing groove of correspondence is along a described d axle to the distance between the periphery wall of described rotor, described P is rotor number of poles.
2. permagnetic synchronous motor according to claim 1, is characterized in that, described some O
1be positioned on a described q axle.
3. permagnetic synchronous motor according to claim 2, is characterized in that, the intersection point crossing the periphery wall of a described d axle and described rotor makes the tangent line m of described rotor, described some O
1for the intersection point of a described q axle and described tangent line m.
4. the permagnetic synchronous motor according to any one of claim 1-3, is characterized in that, has many articles of described slits between a described d axle and a described q axle, and the distance between two adjacent described slits is all equal.
5. permagnetic synchronous motor according to claim 1, is characterized in that, the described slit between the periphery wall of described rotor and corresponding described standing groove is symmetrical about the line of the center of corresponding described standing groove and the described center O of described rotor.
6. permagnetic synchronous motor according to claim 1, is characterized in that, described in every bar, slit is made up of straightway and/or curved section.
7. permagnetic synchronous motor according to claim 6, is characterized in that, slit described in every bar is circular shape.
8. permagnetic synchronous motor according to claim 6, is characterized in that, slit described in every bar is formed by one or more snippets straightway matching.
9. permagnetic synchronous motor according to claim 1, is characterized in that, described rotor core forms by multiple rotor punching is stacked, and wherein the width of each described slit is greater than the thickness of corresponding described rotor punching.
10. permagnetic synchronous motor according to claim 1, is characterized in that, the number of the described slit between each described standing groove and the periphery wall of described rotor is n, and described n meets: n >=4.
11. 1 kinds of compressors, is characterized in that, comprise the permagnetic synchronous motor according to any one of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420590353.7U CN204156698U (en) | 2014-10-13 | 2014-10-13 | Permagnetic synchronous motor and there is its compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420590353.7U CN204156698U (en) | 2014-10-13 | 2014-10-13 | Permagnetic synchronous motor and there is its compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204156698U true CN204156698U (en) | 2015-02-11 |
Family
ID=52514786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420590353.7U Withdrawn - After Issue CN204156698U (en) | 2014-10-13 | 2014-10-13 | Permagnetic synchronous motor and there is its compressor |
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| Country | Link |
|---|---|
| CN (1) | CN204156698U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269987A (en) * | 2014-10-13 | 2015-01-07 | 广东美芝制冷设备有限公司 | Permanent magnet synchronous motor and compressor provided with same |
| CN106026466A (en) * | 2016-07-15 | 2016-10-12 | 青岛海立美达电机有限公司 | Motor blank |
| JPWO2017208317A1 (en) * | 2016-05-31 | 2018-09-13 | 三菱電機株式会社 | Rotor, electric motor, compressor, blower, and air conditioner |
| CN112436627A (en) * | 2019-08-26 | 2021-03-02 | 安徽美芝精密制造有限公司 | Rotor, motor, compressor and refrigeration plant |
| WO2023184972A1 (en) * | 2022-03-31 | 2023-10-05 | 珠海格力电器股份有限公司 | Motor rotor, motor, compressor, and air conditioner |
-
2014
- 2014-10-13 CN CN201420590353.7U patent/CN204156698U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269987A (en) * | 2014-10-13 | 2015-01-07 | 广东美芝制冷设备有限公司 | Permanent magnet synchronous motor and compressor provided with same |
| JPWO2017208317A1 (en) * | 2016-05-31 | 2018-09-13 | 三菱電機株式会社 | Rotor, electric motor, compressor, blower, and air conditioner |
| CN106026466A (en) * | 2016-07-15 | 2016-10-12 | 青岛海立美达电机有限公司 | Motor blank |
| CN112436627A (en) * | 2019-08-26 | 2021-03-02 | 安徽美芝精密制造有限公司 | Rotor, motor, compressor and refrigeration plant |
| CN112436627B (en) * | 2019-08-26 | 2021-11-16 | 安徽美芝精密制造有限公司 | Rotor, motor, compressor and refrigeration plant |
| WO2023184972A1 (en) * | 2022-03-31 | 2023-10-05 | 珠海格力电器股份有限公司 | Motor rotor, motor, compressor, and air conditioner |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150211 Effective date of abandoning: 20160629 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |