CN2550953Y - Rotor and rotor flush sheet of self start permanent magnetic sychronous motor - Google Patents
Rotor and rotor flush sheet of self start permanent magnetic sychronous motor Download PDFInfo
- Publication number
- CN2550953Y CN2550953Y CN 02231229 CN02231229U CN2550953Y CN 2550953 Y CN2550953 Y CN 2550953Y CN 02231229 CN02231229 CN 02231229 CN 02231229 U CN02231229 U CN 02231229U CN 2550953 Y CN2550953 Y CN 2550953Y
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- groove
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- sliver
- magnet steel
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- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model relates to an automatic starting permanent magnet synchronous motor rotor and rotor punch sheets, comprising an iron core. The utility model is characterized in that the iron core comprises a plurality of rotor punch sheets which are stacked with each other; a plurality of open conducting bar grooves and a plurality of closed conducting bar grooves are arranged on the circumferential surface of the rotor punch sheets, a plurality of conducting bars are embedded in the open conducting bar slots and the closed conducting bar slots; a plurality of U-shaped air isolating magnetic steel grooves are symmetrically arranged on the inner side of the open conducting bar slots and the closed conducting bar slots, the magnetic steel is arranged at the bottom of the U-shaped air isolating magnetic steel grooves; a shaft hole is arranged in the center of the rotor punch sheets, and the iron core is sleeved on the shaft. The utility model has the advantages that the magnetic flux leakage circuit of the rotor adopts magnetic bridge and air isolating magnetic steel groove, so noise is low, running is stable, and the service life is long; the motor can be used as driving source for variable-frequency stepless speed regulation or constant speed device; the energy efficiency is high without slip and excitation loss due to magnetic steel excitation.
Description
Technical field: the utility model relates to a kind of self-starting permasyn motor rotor and rotor punching, belongs to the motor machine and makes the field.
Background technology: the self-starting permasyn motor of selling on the present domestic and international market, the one, at the magnetic circuit and the structural design ratio of its rotor, not only structure is complicated, and deficiencies such as leakage field is big, anufacturability difference.Be embodied in: rotor punching is not an overall structure, and the design of magnetic shielding structure is unreasonable, its poor effect; The 2nd, what have makes magnetic shield and axle with nonmagnetic substance and cooperates afterwards every magnetic, also have in addition make motor shaft every magnetic with the expensive stainless steel material; The 3rd, magnetic flux distribution is inhomogeneous between each magnetic pole, causes noise of motor and vibration bigger, and not only run stability is poor, and useful life is short.
Summary of the invention:
It is an integral body that the utility model provides a kind of rotor punching, leakage magnetic circuit adopts every magnetic magnetic bridge, air magnet isolation tank structure, axle is easy to firm permanent-magnet synchronous motor rotor and the rotor punching that links with rotor core, makes motor can make the drive source of variable-frequency stepless speed-regulating or constant-speed operation equipment; The 2nd, owing to its rotating speed is directly proportional with supply frequency and turns round with leg speed, so the rotary speed precision height; The 3rd, because magnet steel is excitatory, so no slip and excitatory loss are energy-efficient.Its technical scheme: 1. self-starting permasyn motor rotor, it comprises mouse cage (1), magnet steel (2), iron core (3) and axle (4), iron core (3) is formed by stacking by multi-disc rotor punching (6), the periphery upper punch of rotor punching (6) has a plurality of opening sliver grooves or the sliver groove (7) of remaining silent, sliver (8) be embedded in opening sliver groove or the sliver groove (7) of remaining silent in, the opening sliver groove or the inboard symmetry of sliver groove (7) of remaining silent have many to U font air every magnetic magnet steel groove (9,10), magnet steel (2) is positioned at U font air every magnetic magnet steel groove (9,10) bottom (10), the center of rotor punching (6) has axis hole, and iron core (3) is enclosed within on the axle (4).2. self-starting permasyn motor rotor punching, the periphery upper punch of rotor punching (6) has a plurality of opening sliver grooves or the sliver groove (7) of remaining silent, the opening sliver groove or the inboard symmetry of sliver groove (7) of remaining silent have many to U font air every magnetic magnet steel groove (9,10), the center of rotor punching (6) has axis hole.Technique scheme is compared with background technology, the one, rotor punching is an integral body, leakage magnetic circuit adopts every magnetic magnetic bridge and air magnet isolation tank structure Design, not only make axle and rotor core be easy to firm binding, noise is minimum, and run stability is good, long service life, and make motor can make the drive source of variable-frequency stepless speed-regulating or constant-speed operation equipment: the 2nd, owing to its rotating speed is directly proportional with supply frequency and turns round with leg speed, so the rotary speed precision height; The 3rd, because magnet steel is excitatory, so no slip and excitatory loss are energy-efficient.
Description of drawings:
Fig. 1 is a rotor structure schematic diagram of the present utility model.
Fig. 2 is a rotor cross section structure schematic diagram.
Fig. 3 is the rotor punching structural representation.
Embodiment:
Embodiment 1: with reference to accompanying drawing 1～2.The self-starting permasyn motor rotor, it comprises mouse cage 1, magnet steel 2, iron core 3 and axle 4, iron core 3 is formed by stacking by multi-disc rotor punching 6, the periphery upper punch of rotor punching 6 has a plurality of opening sliver grooves or the sliver groove 7 of remaining silent, sliver 8 be embedded in opening sliver groove or the sliver groove 7 of remaining silent in, sliver (8) adopts copper or aluminum to do.The opening sliver groove or the sliver groove 7 of remaining silent) inboard symmetry have many to U font air every magnetic magnet steel groove (9,10), U font air is every magnetic magnet steel groove (9,10) constitute by air magnet isolation tank 9 and 10 connections of magnet steel mounting groove, its U font air is the magnet steel mounting groove every the kerve 10 of magnetic magnet steel groove, and both sides are air magnet isolation tank 9.Magnet steel 2 is positioned at the magnet steel mounting groove 10 of U font air every magnetic magnet steel trench bottom.Air magnet isolation tank 9 two ends and opening sliver groove or the sliver groove 7 relative spaces of remaining silent are magnetic bridge 5.U font air in the rotor punching 6 is that 2 pairs or 4 pairs or 6 pairs or 8 pairs or 10 pairs and opposite face polarity are identical every magnetic magnet steel groove (9,10).The center of rotor punching 6 has axis hole, and iron core 3 is enclosed within on the axle 4.Annotate: the U font is meant that section is the trough shaped structure.
The stator and the common asynchronous moter of motor are similar.Figure 2 shows that four utmost point rotor punchings, also be suitable for the rotor punching of other number of poles.5 is every the magnetic magnetic bridge among the figure, function---force leakage flux highly saturated at this place, reduce leakage field.The 9th, the air magnet isolation tank, function----is isolated adjacent interelectrode magnetic leakage, purpose, and----improves the utilance of magnet steel.Magnet steel (magnet steel groove) is built-in radial formula rotor magnetic circuit and arranges, and cuts up with a hay cutter polarity N, S, N, S outward ... cross-distribution.The 4th, axle firmly links transmitting torque with rotor core.The 8th, mouse cage sliver (sliver groove) adopts multiple-grooved to count open slot or the groove of remaining silent, and also circumference is uniform by group but the sliver groove adopts circumference uniform distribution.The 6th, integrally-built rotor punching, anufacturability is good.Figure 1 shows that rotor structure figure.The 1st, mouse cage (winding), available welding or cast two kinds of technologies and make.The 2nd, magnet steel, every fluted shaft divide some compositions in length, and the rotor magnetic steel magnet steel groove of afterwards packing into that can magnetize earlier carries out integral body in the magnet steel groove of also magnet steel that do not magnetize can being packed into and magnetizes.The 3rd, rotor core is overrided to form by the integral rotor punching 6 of some.The 4th, axle (permeability magnetic material) firmly links the mechanical strength height with rotor core.
Embodiment 2: with reference to accompanying drawing 3.The self-starting permasyn motor rotor punching, the periphery upper punch of rotor punching 6 has a plurality of opening sliver grooves or the sliver groove 7 of remaining silent, the opening sliver groove or the sliver groove 7 inboard symmetries of remaining silent have many to U font air every magnetic magnet steel groove (9,10), the center of rotor punching 6 has axis hole.U font air in the rotor punching 6 is that 2 pairs or 4 pairs or 6 pairs or 8 pairs or 10 pairs and opposite face polarity are identical every magnetic magnet steel groove (9,10).
Claims (6)
1, a kind of self-starting permasyn motor rotor, it comprises mouse cage (1), magnet steel (2), iron core (3) and axle (4), it is characterized in that: iron core (3) is formed by stacking by multi-disc rotor punching (6), the periphery upper punch of rotor punching (6) has a plurality of opening sliver grooves or the sliver groove (7) of remaining silent, sliver (8) be embedded in opening sliver groove or the sliver groove (7) of remaining silent in, the opening sliver groove or the inboard symmetry of sliver groove (7) of remaining silent have many to U font air every magnetic magnet steel groove (9,10), magnet steel (2) is positioned at U font air every magnetic magnet steel groove (9,10) bottom (10), the center of rotor punching (6) has axis hole, and iron core (3) is enclosed within on the axle (4).
2, self-starting permasyn motor rotor according to claim 1, it is characterized in that: U font air is every magnetic magnet steel groove (9,10) be communicated with formation by air magnet isolation tank (9) and magnet steel mounting groove (10), its U font air is the magnet steel mounting groove every the kerve (10) of magnetic magnet steel groove, and both sides are air magnet isolation tank (9).
3, self-starting permasyn motor rotor according to claim 1 is characterized in that: air magnet isolation tank (9) two ends are magnetic bridge (5) with the opening sliver groove or the relative space of sliver groove (7) of remaining silent, and sliver (8) adopts copper or aluminum to do.
4, self-starting permasyn motor rotor according to claim 1 is characterized in that: the U font air in the rotor punching (6) is that 2 pairs or 4 pairs or 6 pairs or 8 pairs or 10 pairs and opposite face polarity are identical every magnetic magnet steel groove (9,10).
5, a kind of self-starting permasyn motor rotor punching, it is characterized in that: the periphery upper punch of rotor punching (6) has a plurality of opening sliver grooves or the sliver groove (7) of remaining silent, the opening sliver groove or the inboard symmetry of sliver groove (7) of remaining silent have many to U font air every magnetic magnet steel groove (9,10), the center of rotor punching (6) has axis hole.
6, self-starting permasyn motor rotor punching according to claim 5 is characterized in that: the U font air in the rotor punching (6) is that 2 pairs or 4 pairs or 6 pairs or 8 pairs or 10 pairs and opposite face polarity are identical every magnetic magnet steel groove (9,10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02231229 CN2550953Y (en) | 2002-05-03 | 2002-05-03 | Rotor and rotor flush sheet of self start permanent magnetic sychronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02231229 CN2550953Y (en) | 2002-05-03 | 2002-05-03 | Rotor and rotor flush sheet of self start permanent magnetic sychronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2550953Y true CN2550953Y (en) | 2003-05-14 |
Family
ID=33707004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02231229 Ceased CN2550953Y (en) | 2002-05-03 | 2002-05-03 | Rotor and rotor flush sheet of self start permanent magnetic sychronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2550953Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783561A (en) * | 2010-01-22 | 2010-07-21 | 苏州太通电气有限公司 | High-efficiency energy-saving permanent magnet synchronous motor |
| CN104081637A (en) * | 2012-02-20 | 2014-10-01 | 株式会社日立制作所 | Linear motor |
| CN110601485A (en) * | 2019-09-23 | 2019-12-20 | 上海电气集团上海电机厂有限公司 | Self-starting permanent magnet motor |
-
2002
- 2002-05-03 CN CN 02231229 patent/CN2550953Y/en not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783561A (en) * | 2010-01-22 | 2010-07-21 | 苏州太通电气有限公司 | High-efficiency energy-saving permanent magnet synchronous motor |
| CN104081637A (en) * | 2012-02-20 | 2014-10-01 | 株式会社日立制作所 | Linear motor |
| US10128732B2 (en) | 2012-02-20 | 2018-11-13 | Hitachi, Ltd. | Linear motor |
| CN110601485A (en) * | 2019-09-23 | 2019-12-20 | 上海电气集团上海电机厂有限公司 | Self-starting permanent magnet motor |
| CN110601485B (en) * | 2019-09-23 | 2024-05-14 | 上海电气集团上海电机厂有限公司 | Self-starting permanent magnet motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Designer after: Cao Xiaoyuan Designer after: Chen Jinmei Designer before: Chen Jinmei |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: CHEN JINMEI TO: CAO XIAOYUAN; CHEN JINMEI |
|
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20041103 Decision number of declaring invalidation: 6583 |