CN101656453A - High-quality permanent magnet synchronous motor - Google Patents
High-quality permanent magnet synchronous motor Download PDFInfo
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- CN101656453A CN101656453A CN200810041813A CN200810041813A CN101656453A CN 101656453 A CN101656453 A CN 101656453A CN 200810041813 A CN200810041813 A CN 200810041813A CN 200810041813 A CN200810041813 A CN 200810041813A CN 101656453 A CN101656453 A CN 101656453A
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- permanent magnet
- synchronous motor
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000013016 damping Methods 0.000 claims abstract description 7
- 239000011159 matrix material Substances 0.000 claims description 13
- 238000004080 punching Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000004907 flux Effects 0.000 abstract description 2
- 241001391944 Commicarpus scandens Species 0.000 abstract 1
- 230000033228 biological regulation Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000012966 insertion method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention relates to a high-quality permanent magnet synchronous motor having a self-starting function and an external rotor structure. The high-quality permanent magnet synchronous motor has theadvantages of light and handy structure, large power density, high power index, obvious electricity conservation, high efficiency, high power factor, low noise, stable running, good speed regulation performance, few faults, low running and maintenance cost, large starting torque, large running torque, strong driving load capacity, and strong impact resistance to sudden loading and unloading. The high-quality permanent magnet synchronous motor breaks through the technical difficulties that the permanent magnet synchronous motor with the external rotor structure is restricted by the self structure and cannot be provided with a loop type damping starting winding, and a permanent magnet steel is easy to break up in running, makes up the technical defects that the prior permanent magnet synchronous motor with an internal rotor structure has the disadvantages of poor mechanical strength, large magnetic leakage, low air gap flux density, low power density, low power index and the like of therotor structure. The high-quality permanent magnet synchronous motor can replace the prior synchronous motors or induction type asynchronous motors, and has a wide application prospect.
Description
Technical field:
Permanent magnet synchronous motor of the present invention belongs to electric motors.
Technical background:
Existing permanent magnet motor can be divided into permanent magnet motor built-in or the external rotor structure by the position that permanent-magnet steel embeds rotor.The permanent magnet motor of built-in rotor structure exists the rotor structure leakage field big, technological deficiencies such as torque is little, energy index is poor, rotor structure bad mechanical strength.There is the fixedly big and on-stream easy fragmentation of permanent-magnet steel of difficulty of permanent-magnet steel in the permanent magnet motor of external rotor structure, be subjected to the restriction on the self structure that ring-like damp type starting winding can not be installed, no self-starting function needs technological deficiencies such as peripheral hardware auxiliary starting device ability starting operation.Permanent magnet motor built-in or the external rotor structure all exists magnetic pull to bring running resistance to cause power loss big greatly, has obviously reduced efficient and energy index, and application prospect is bad.
Summary of the invention:
The object of the present invention is to provide a kind of high-quality permanent magnet synchronous motor with external rotor structure of self-starting function.Structure is light and handy, power density is big, energy index good, economize on electricity is obvious, efficient is high and power factor (PF) is high, noise is low, operate steadily, speed adjusting performance is good, fault is few, operation expense is low, starting torque is big and the operation torque is big, and it is strong to drive load capacity impact resistance strong and the sudden unloading process load.The permanent magnet motor of having broken through the external rotor structure is subjected to the restriction on the self structure that the technical barrier that ring-like damp type starts winding can not be installed, and there is the fixedly big and on-stream breakable technological deficiency of permanent-magnet steel of difficulty of permanent-magnet steel in the permanent magnet motor that has remedied the external rotor structure.
The technical solution used in the present invention:
The present invention compared with prior art, its advantage is:
1, adopt permanent-magnet steel to make concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type, concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type both sides rectangular surfaces axially on have the matrix keyway, improve the tensile strength and the installation effectiveness of permanent-magnet steel greatly, broken through the fixing breakable technical barrier of the big and on-stream permanent-magnet steel of difficulty of permanent-magnet steel of the permanent magnet motor of external rotor structure.
2, it is synthetic that stator core structure adopts stator punching skewed slot mode closed assembly, break through existing permanent magnet synchronous motor and existed magnetic pull to bring running resistance to cause the big technical barrier of power loss greatly, improved the efficient and the energy index of permanent magnet synchronous motor greatly.
3, stator winding structure adopts n the independent winding that is wound in the stator core to connect and compose.Adopt high efficiency automation rule new process to substitute inefficient hand insertion method, realized the scale low-cost production, solved the technical barrier that existing DC permanent magnet stator core construction is difficult to realize automation rule new technology.
4, in rotor core, have n equally distributed matrix location notch, matrix location notch medial surface axially on be provided with the key bar of fixing concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type, n concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type are installed in the matrix location notch in the rotor core, be arranged in n in order to the N utmost point and S utmost point field structure, constitute the minimum external rotor structure of leakage field.Improve the air gap flux density and the power density of permanent magnet synchronous motor greatly, remedied the big and low technological deficiency of power density of built-in type permanent-magnet motor leakage field.
5, in rotor core, be provided with n equally distributed rotor tooth, on rotor tooth, have damping hole, damp type is started sliver put into damping hole, damp type starting lead ring is installed on the two ends of damp type starting sliver, constitute ring-like damp type starting winding, broken through the technical barrier that the external permanent magnet synchronous motor is subjected to the restriction on the self structure that ring-like damp type starting winding can not be installed.
6, rotor core structure adopts unitary rotor punching closed assembly to synthesize and is fixed in the rotating shaft.Improve the concentricity and the mechanical strength of rotor assembly greatly, remedied the technological deficiency that there is the rotor structure bad mechanical strength in built-in permanent-magnet synchronous motor.
Description of drawings:
Fig. 1 is a complete machine structure schematic diagram of the present invention;
Fig. 2, Fig. 3 are rotor structure schematic diagram of the present invention;
Fig. 4, Fig. 5, Fig. 6, Fig. 7 are concentric type tile shape magnetic pole of the present invention or the protruding trapezoidal field structure schematic diagram of concentric type;
Fig. 8, Fig. 9 are damp type starting lead ring structural representation of the present invention;
Figure 10, Figure 11 are damp type starting sliver structural representation of the present invention;
Figure 12, for rotor punching structural representation of the present invention.
Embodiment:
Consult shown in Fig. 1 structural representation: 1, be field frame assembly; 2, be rotor assembly; 8, be damp type starting sliver; 9, be damp type starting lead ring; 10, be stator winding; 11, be rotating shaft; 12, take advantage of for axle; 13, be end cap; 14, be casing; 15, be fan; 16, be fan housing.
Consult shown in Fig. 2, Fig. 3 structural representation: 3, be rotor tooth; 4, be rotor core; 6, be the protruding trapezoidal magnetic pole of concentric type tile shape magnetic pole or concentric type; 8, be damp type starting sliver; 9, be damp type starting lead ring; 11, be rotating shaft.
Consult shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7 structural representation: 6, be concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type; 60, be the matrix keyway.
Consult shown in Fig. 8, Fig. 9 structural representation: 9, be damp type starting lead ring.
Consult shown in Figure 10, Figure 11 structural representation: 8, be damp type starting sliver.
Consult shown in Figure 12 structural representation: 3, be rotor tooth; 5, be the matrix location notch; 7, be damping hole; 17, be rotor punching; 50, be the key bar.
The present invention is installed in n concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type [6] in the matrix location notch [5] in the rotor core [4], adopt the axial bond bar [50] of matrix location notch [5] medial surface to be installed in the matrix keyway [60] on concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type [6] and be fixed, constitute n the N utmost point and S utmost point field structure.Damp type is started sliver [8] pack in the damping hole [7] on the rotor tooth [3], damp type starting lead ring [9] is installed on the two ends of damp type starting sliver [8], constitute ring-like damp type starting winding.Field frame assembly [1] is installed in the interior circle of casing [14], end cap [13] is installed on the seam at circle two ends in the casing [14], the axle that axle takes advantage of the outer ring of [12] to be installed in end cap [13] center is taken advantage of indoor, axle takes advantage of the inner ring of [12] to be installed on the two ends of rotating shaft [11], rotor assembly [2] is installed in the interior circle of field frame assembly [1], fan [15] is installed on the end of rotating shaft [11], and fan housing [16] is installed on the casing [14], can finish the complete machine assembling.
Claims (6)
1, a kind of high-quality permanent magnet synchronous motor, comprise field frame assembly [1], rotor assembly [2], rotating shaft [11], axle becomes [12], end cap [13], casing [14], fan [15] and fan housing [16] etc. is characterized in that field frame assembly [1] is installed in the interior circle of casing [14], end cap [13] is installed on the seam at circle two ends in the casing [14], the axle that axle takes advantage of the outer ring of [12] to be installed in end cap [13] center is taken advantage of indoor, axle takes advantage of the inner ring of [12] to be installed on the two ends of rotating shaft [11], rotor assembly [2] is installed in the interior circle of field frame assembly [1], fan [15] is installed on the end of rotating shaft [11], and fan housing [16] is installed on the casing [14].
2, high-quality permanent magnet synchronous motor according to claim 1, it is characterized in that the protruding trapezoidal magnetic pole of described concentric type tile shape magnetic pole or concentric type [6] adopts the permanent-magnet steel manufacturing, concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type [6] both sides rectangular surfaces axially on have matrix keyway [60].
3, high-quality permanent magnet synchronous motor according to claim 1 is characterized in that described stator core structure adopts stator punching skewed slot mode closed assembly synthetic, and stator winding [10] structure adopts n the independent winding that is wound in the stator core to connect and compose.
4, according to claim 1 described high-quality permanent magnet synchronous motor, it is characterized in that having in the described rotor core [4] n equally distributed matrix location notch [5], matrix location notch [5] medial surface axially on be provided with the key bar [50] of fixing concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type [6], n concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type [6] are installed in the matrix location notch [5] in the rotor core [4], be arranged in n in order to the N utmost point and S utmost point field structure, constitute the minimum external rotor structure of leakage field.
5, high-quality permanent magnet synchronous motor according to claim 1, it is characterized in that described rotor core [4] is provided with n equally distributed rotor tooth [3], have damping hole [7] on the rotor tooth [3], damp type is started sliver [8] packs in the damping hole [7] on the rotor tooth [3], damp type starting lead ring [9] is installed on the two ends of damp type starting sliver, is constituted ring-like damp type starting winding.
6, high-quality permanent magnet synchronous motor according to claim 1 is characterized in that described rotor core [4] structure adopts unitary rotor punching [17] closed assembly synthetic and be fixed in the rotating shaft [11].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810041813A CN101656453A (en) | 2008-08-18 | 2008-08-18 | High-quality permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810041813A CN101656453A (en) | 2008-08-18 | 2008-08-18 | High-quality permanent magnet synchronous motor |
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| Publication Number | Publication Date |
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| CN101656453A true CN101656453A (en) | 2010-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810041813A Pending CN101656453A (en) | 2008-08-18 | 2008-08-18 | High-quality permanent magnet synchronous motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306991A (en) * | 2011-09-26 | 2012-01-04 | 佛山市南海晶惠普电子科技有限公司 | Permanent magnetism servo synchronous motor three-phase winding |
| CN102355108A (en) * | 2011-09-26 | 2012-02-15 | 佛山市南海晶惠普电子科技有限公司 | High-quality three-phase alternating current permanent magnet servo synchronous motor |
| CN102368643A (en) * | 2011-10-11 | 2012-03-07 | 泰豪科技股份有限公司 | Fractional-slot three-phase single-layer sine winding of intermediate-frequency generator |
| CN102377304A (en) * | 2010-08-20 | 2012-03-14 | 威斯达电器(中山)制造有限公司 | Permanent magnet synchronous motor and bread machine using the same |
| CN103532271A (en) * | 2013-09-25 | 2014-01-22 | 于波 | High-efficiency motor generator |
-
2008
- 2008-08-18 CN CN200810041813A patent/CN101656453A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377304A (en) * | 2010-08-20 | 2012-03-14 | 威斯达电器(中山)制造有限公司 | Permanent magnet synchronous motor and bread machine using the same |
| CN102306991A (en) * | 2011-09-26 | 2012-01-04 | 佛山市南海晶惠普电子科技有限公司 | Permanent magnetism servo synchronous motor three-phase winding |
| CN102355108A (en) * | 2011-09-26 | 2012-02-15 | 佛山市南海晶惠普电子科技有限公司 | High-quality three-phase alternating current permanent magnet servo synchronous motor |
| CN102355108B (en) * | 2011-09-26 | 2013-09-18 | 江西省迪普安数字功率技术发展有限公司 | High-quality three-phase alternating current permanent magnet servo synchronous motor |
| CN102368643A (en) * | 2011-10-11 | 2012-03-07 | 泰豪科技股份有限公司 | Fractional-slot three-phase single-layer sine winding of intermediate-frequency generator |
| CN103532271A (en) * | 2013-09-25 | 2014-01-22 | 于波 | High-efficiency motor generator |
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Open date: 20100224 |