CN201298797Y - High-quality permanent magnetic synchronous motor - Google Patents
High-quality permanent magnetic synchronous motor Download PDFInfo
- Publication number
- CN201298797Y CN201298797Y CNU2008201520874U CN200820152087U CN201298797Y CN 201298797 Y CN201298797 Y CN 201298797Y CN U2008201520874 U CNU2008201520874 U CN U2008201520874U CN 200820152087 U CN200820152087 U CN 200820152087U CN 201298797 Y CN201298797 Y CN 201298797Y
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- permanent magnet
- synchronous motor
- magnetic pole
- magnet synchronous
- rotor
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model relates to a high-quality permanent magnet synchronous motor with the self-starting function and an external rotor structure, which has the advantages of light structure, large power density, good energy index, remarkable power conservation, high efficiency and high power factor, low noise, stable operation, good speed adjustment performance, less failure, low operation and maintenance cost, large starting moment, large running moment, high load driving capacity and strong anti-impulse force of abruptly loading and unloading. The high-quality permanent magnet synchronous motor overcomes the problems that the permanent magnet synchronous motor with the external rotor structure can not be provided with an annular damping type starting winding and permanent magnet steel due to the limitation of the self structure and is easy to break during the operation and makes up the technical defects that the prior permanent magnet synchronous motor with the external rotor structure has bad mechanical strength of the rotor structure, large magnetic leakage, low air gap magnetic density and low power density, bad energy index and the like. The high-quality permanent magnet synchronous motor can replace the prior synchronous motor or the induction type asynchronous motor and has wide application prospect.
Description
Technical field:
The utility model permanent magnet synchronous motor 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.
The utility model content:
The purpose of this utility model 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 adopted in the utility model:
The utility model 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 construction 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 on 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 structure is difficult to realize automation rule new technology.
4, on 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 on 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, on 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, be bearing; 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 heart 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] on 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 outer ring of bearing [12] is installed in the bearing chamber of end cap [13] center, the inner ring of bearing [12] is 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 (7)
1, a kind of high-quality permanent magnet synchronous motor, comprise field frame assembly [1], rotor assembly [2], rotating shaft [11], bearing [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 outer ring of bearing [12] is installed in the bearing chamber of end cap [13] center, the inner ring of bearing [12] is 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 described field frame assembly [1] is made of stator core and stator winding [10], rotor assembly [2] is made of concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type [6], rotor core [4], damp type starting sliver [8] and damp type starting lead ring [9].
3, high-quality permanent magnet synchronous motor according to claim 2, 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].
4, high-quality permanent magnet synchronous motor according to claim 2 is characterized in that described stator core construction adopts stator punching skewed slot mode closed assembly synthetic, and stator winding [10] structure adopts n the independent winding that is wound on the stator core to connect and compose.
5, according to claim 2 described high-quality permanent magnet synchronous motors, it is characterized in that having on 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] on 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.
6, high-quality permanent magnet synchronous motor according to claim 2, 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 [8], is constituted ring-like damp type starting winding.
7, high-quality permanent magnet synchronous motor according to claim 2 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 |
|---|---|---|---|
| CNU2008201520874U CN201298797Y (en) | 2008-08-18 | 2008-08-18 | High-quality permanent magnetic synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201520874U CN201298797Y (en) | 2008-08-18 | 2008-08-18 | High-quality permanent magnetic synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201298797Y true CN201298797Y (en) | 2009-08-26 |
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ID=41044784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201520874U Expired - Fee Related CN201298797Y (en) | 2008-08-18 | 2008-08-18 | High-quality permanent magnetic synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201298797Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908798A (en) * | 2010-08-12 | 2010-12-08 | 湖北华声机电有限公司 | Process and device thereof for sticking magnetic steel on rotor of high-power permanent magnet motor for vehicles |
| CN105305688A (en) * | 2015-11-01 | 2016-02-03 | 赵浩 | Novel single-phase series excitation motor with low vibration noise employing double-layer simplex lap windings |
-
2008
- 2008-08-18 CN CNU2008201520874U patent/CN201298797Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908798A (en) * | 2010-08-12 | 2010-12-08 | 湖北华声机电有限公司 | Process and device thereof for sticking magnetic steel on rotor of high-power permanent magnet motor for vehicles |
| CN105305688A (en) * | 2015-11-01 | 2016-02-03 | 赵浩 | Novel single-phase series excitation motor with low vibration noise employing double-layer simplex lap windings |
| CN105305688B (en) * | 2015-11-01 | 2017-10-24 | 嘉兴学院 | Novel double-layer simplex lap winding low-vibration noise single phase series motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xi'an Jiazhong Electron Technology Co., Ltd. Assignor: Yu Bo Contract record no.: 2011610000183 Denomination of utility model: High-quality permanent magnet synchronous motor Granted publication date: 20090826 License type: Exclusive License Record date: 20110916 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090826 Termination date: 20130818 |