CN201518435U - Self-start-up permanent magnet synchronous motor and rotor used for same - Google Patents
Self-start-up permanent magnet synchronous motor and rotor used for same Download PDFInfo
- Publication number
- CN201518435U CN201518435U CN2009202380086U CN200920238008U CN201518435U CN 201518435 U CN201518435 U CN 201518435U CN 2009202380086 U CN2009202380086 U CN 2009202380086U CN 200920238008 U CN200920238008 U CN 200920238008U CN 201518435 U CN201518435 U CN 201518435U
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- rotor
- permanent magnet
- outside portion
- self
- synchronous motor
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Abstract
The utility model discloses a self-start-up permanent magnet synchronous motor and a rotor used for the same, a squirrel-cage guide strip, an end ring and a permanent magnet are arranged on the rotor, the rotor comprises a rotor external portion and a rotor inner portion which are mutually independent, the rotor inner portion is embedded in the rotor external portion and is fixed with the same, a placing groove is arranged on the rotor inner portion, the permanent magnet is embedded in the placing groove. A processing method of the rotor includes: A, respectively stamping the rotor inner portion and the rotor external portion, casting the squirrel-cage guide strip and the end rings on an iron core of the rotor external portion, and B, adding the permanent magnet into the placing groove of the rotor inner portion and an iron core of the inner portion into the iron core of the external portion and fixing the same. According to the utility model, the damage to the magnetic property of the permanent magnet can be effectively prevented in the casting process of the squirrel-cage guide strip, and the performance of the rotor and the motor can be improved.
Description
Technical field
The utility model relates to a kind of self-starting permagnetic synchronous motor and this motor rotor used by same.
Background technology
In the self-starting permagnetic synchronous motor, on its rotor permanent magnet is installed, in the course of processing, need cast (generally being cast aluminium) to the mouse cage sliver and the end ring of its rotor, existing rotor structure is an integral type, when cast aluminium, permanent magnet need be put into together the environment of high temperature, be caused the destruction of permanent magnet performance, and then influence rotor and motor properties.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, and a kind of self-starting permagnetic synchronous motor and this motor rotor used by same are provided, and the utility model can effectively be avoided the destruction to permanent magnet magnetic, improves rotor and motor properties.
Its technical scheme is as follows:
A kind of self-starting permagnetic synchronous motor rotor is provided with mouse cage sliver, end ring and permanent magnet on rotor; This rotor comprises the rotor outside portion and the rotor inside portion that can be separated from each other, pack in the rotor outside portion and fix with it in the rotor inside portion, on the rotor inside portion, be provided with standing groove, described permanent magnet is packed in this standing groove, be provided with the sliver groove on described rotor outside portion, described mouse cage sliver is arranged in the sliver groove.
Adopt the structure of the motor of this rotor to be:
A kind of self-starting permagnetic synchronous motor comprises rotor, is provided with mouse cage sliver, end ring and permanent magnet on rotor; This rotor comprises the rotor outside portion and the rotor inside portion that can be separated from each other, pack in the rotor outside portion and fix with it in the rotor inside portion, on the rotor inside portion, be provided with standing groove, described permanent magnet is packed in this standing groove, be provided with the sliver groove on described rotor outside portion, described mouse cage sliver is arranged in the sliver groove.
Specifically add man-hour, can adopt following method:
A, difference stamping rotor inside portion and rotor outside portion; Casting mouse cage sliver and end ring on the iron core of rotor inside portion; In B, permanent magnet are packed in the standing groove of rotor inside portion, the inside portion iron core is packed into the rotor outside portion iron core and fix.
Self-starting permagnetic synchronous motor described in the utility model adopts split-type structural with rotor, adding man-hour, the mouse cage sliver and the end ring of elder generation cast rotor outside portion, do not need permanent magnet is exposed in the hot environment this moment, the destruction of hot environment be can effectively avoid, and then rotor and motor properties improved permanent magnet performance.
The technical scheme of the further refinement of aforementioned techniques scheme can be:
Mating surface in described rotor inside portion and rotor outside portion includes circumferential limiting section, and particularly, circumferentially limiting section can be following structure:
1, the axial section of described rotor outside portion inwall and rotor inside portion outer wall all is circle and lacks shape, is provided with side cut between rotor inside portion and rotor outside portion, and described circumferential limiting section is this side cut.
2, the axial section of described rotor outside portion inwall and rotor inside portion outer wall all is polygon, and described circumferential stopping means is described rotor outside portion inwall and rotor inside portion outer wall.
Two ends in described rotor outside portion are provided with axial limiting portion, and this axial limiting portion is spacing with the two ends of described rotor inside portion; Particularly, axial limiting portion can be following structure:
1, by on described rotor outside portion or inside portion end plate being set, this end plate carries out axial limiting with described rotor inside portion and described permanent magnet simultaneously.That is, described axial limiting portion is an end plate, and this end plate is connected with described rotor outside portion and blocks to the end of the described rotor of major general inside portion and the end sections of described permanent magnet.Perhaps, described axial limiting portion is an end plate, and this end plate is connected with described rotor inside portion and blocks to the end of the described rotor of major general outside portion and the end sections of described permanent magnet.Described end plate can be connected with described rotor outside portion or rotor inside portion by rivet or bolt.
2, first end of described rotor outside portion radially inwardly forms the retaining end, and radial dimension of this retaining end is less than the external diameter of a circle of permanent magnet in the described rotor inside portion, and described retaining end is all or part of to block described permanent magnet; Second end in the rotor outside portion is provided with the axial limiting ring, and this axial limiting ring to the end sections of the described rotor of major general inside portion blocks.Further, described axial limiting ring is outside vertically, and its radial dimension progressively reduces, and the inwall of described rotor outside portion and the shape of this axial limiting ring adapt.Its processing method is as follows, when the mouse cage of cast rotor outside portion, first end casting in described rotor outside portion forms inside retaining end, after described rotor inside portion is packed the rotor outside portion into, at second end of the described rotor outside portion axial limiting ring of packing into, and described rotor outside portion second end carried out roll extrusion and the axial limiting ring is fixed.
In sum, the utility model has the advantages that: the self-starting permanent-magnetic synchronous motor rotor adopts split-type structural, is adding man-hour, the mouse cage sliver and the end ring of first cast rotor outside portion, avoid the destruction of hot environment, and then improve rotor and motor properties permanent magnet performance.
Description of drawings
Fig. 1 is among the utility model embodiment, self-starting permagnetic synchronous motor first kind of structure chart of rotor;
Fig. 2 is among Fig. 1, first kind of structure of OA cutaway view;
Fig. 3 is among Fig. 1, second kind of structure of OA cutaway view;
Fig. 4 is among Fig. 3, and rotor outside portion second end is carried out structure before the roll extrusion;
Fig. 5 is among the utility model embodiment, self-starting permagnetic synchronous motor second kind of structure chart of rotor;
Fig. 6 is among Fig. 1, the third structure of OA cutaway view;
Description of reference numerals:
1, rotor inside portion, 2, the rotor outside portion, 3, the mouse cage sliver, 4, end ring, 5, permanent magnet, 6, circumferential limiting section, 7, end plate, 8, bolt, 9, the retaining end, 10, the axial limiting ring, 11, rivet.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated:
Embodiment one
As shown in Figure 1 and Figure 2, a kind of self-starting permagnetic synchronous motor rotor is provided with mouse cage sliver 3, end ring 4 and permanent magnet 5 on rotor; This rotor comprises the rotor outside portion 2 and the rotor inside portion 1 that can be separated from each other, pack in the rotor outside portion 2 and fix with it in rotor inside portion 1, on rotor inside portion 1, be provided with standing groove, described permanent magnet 5 is packed in this standing groove, be provided with the sliver groove on rotor outside portion 2, mouse cage sliver 3 is arranged in the sliver groove.
Wherein, 1 includes circumferential limiting section 6 with the mating surface of rotor outside portion 2 in the rotor inside portion, is provided with axial limiting portion at the two ends of rotor outside portion 2, and this axial limiting portion is spacing with the two ends of rotor inside portion 1.In the present embodiment, the axial section of rotor outside portion 2 inwalls and rotor inside portion 1 outer wall all is polygon, and described circumferential stopping means is rotor outside portion 2 inwalls and rotor inside portion 1 outer wall; As shown in Figure 2, described axial limiting portion is an end plate 7, and this end plate 7 is connected with rotor outside portion 2 by bolt 8 and the end of rotor inside portion 1 and the end sections of permanent magnet 5 are blocked.
The processing technology of present embodiment is: A, difference stamping rotor inside portion 1 and rotor outside portion 2; Casting mouse cage sliver 3 and end ring 4 on 2 iron cores of rotor outside portion; In rotor outside portion 2 core center that B, permanent magnet 5 are packed in the standing groove of rotor inside portion 1, the inside portion iron core is packed into and by bolt 8 end plate 7 is fixed.Present embodiment self-starting permagnetic synchronous motor adopts split-type structural with rotor, adding man-hour, the mouse cage sliver 3 and the end ring 4 of elder generation cast rotor outside portion 2, do not need permanent magnet 5 is exposed in the hot environment this moment, the destruction of hot environment be can effectively avoid, and then rotor and motor properties improved permanent magnet 5 performances.
Embodiment two
As shown in Figure 3, Figure 4, the difference of present embodiment and embodiment one is: first end of rotor outside portion 2 radially inwardly forms retaining end 9, and the radial dimension of this retaining end 9 is less than the maximum radial dimension of rotor inside portion 1; Second end in rotor outside portion 2 is provided with axial limiting ring 10, and this axial limiting ring 10 blocks the end of rotor inside portion 1; Axial limiting ring 10 is outside vertically, and its radial dimension progressively reduces, and the shape of the inwall of rotor outside portion 2 and this axial limiting ring 10 adapts.When the mouse cage of cast rotor outside portion 2, the first end die casting in rotor outside portion 2 forms radially inner retaining end 9, after rotor inside portion 1 is packed rotor outside portion 2 into, at second end of the rotor outside portion 2 axial limiting ring 10 of packing into, and rotor outside portion 2 second end ring are carried out roll extrusion and to axial limiting ring 10 fixing (structure before the roll extrusion as shown in Figure 4, the structure after the roll extrusion as shown in Figure 3).It is spacing that present embodiment adopts spacing ring 10 and 9 pairs of rotor inside portions 1 of retaining end to carry out, and its principle is identical with embodiment one, repeats no more herein.
Embodiment three
As shown in Figure 5, in the present embodiment, the axial section of rotor outside portion 2 inwalls and rotor inside portion 1 outer wall all is circle and lacks shape, between rotor inside portion 1 and rotor outside portion 2, be provided with side cut, described circumferential limiting section 6 is this side cut, present embodiment is by cut edge realizing circumferentially spacing between rotor inside portion 1 and the rotor outside portion 2, and its principle is identical with realization example one, repeats no more herein.
Embodiment four
As shown in Figure 6, the difference of present embodiment and embodiment one is that described end plate 7 is connected with rotor outside portion 2 by rivet 11 and the end of rotor inside portion 1 and the end sections of permanent magnet 5 are blocked.Rivet 11 is with end ring 4 die casts.
Only be specific embodiment of the utility model below, do not limit protection range of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection range of the present utility model.
Claims (10)
1. a self-starting permagnetic synchronous motor comprises rotor, is provided with mouse cage sliver, end ring and permanent magnet on rotor; It is characterized in that, this rotor comprises the rotor outside portion and the rotor inside portion that can be separated from each other, pack in the rotor outside portion and fix with it in the rotor inside portion, on the rotor inside portion, be provided with standing groove, described permanent magnet is packed in this standing groove, be provided with the sliver groove on described rotor outside portion, described mouse cage sliver is arranged in the sliver groove.
2. self-starting permagnetic synchronous motor according to claim 1 is characterized in that the mating surface in described rotor inside portion and rotor outside portion includes circumferential limiting section.
3. as self-starting permagnetic synchronous motor as described in the claim 2, it is characterized in that, the axial section of described rotor outside portion inwall and rotor inside portion outer wall all is circle and lacks shape, is provided with side cut between rotor inside portion and rotor outside portion, and described circumferential limiting section is this side cut.
4. as self-starting permagnetic synchronous motor as described in the claim 2, it is characterized in that the axial section of described rotor outside portion inwall and rotor inside portion outer wall all is polygon, described circumferential stopping means is described rotor outside portion inwall and rotor inside portion outer wall.
5. as self-starting permagnetic synchronous motor as described in each in the claim 1 to 4, it is characterized in that be provided with axial limiting portion at the two ends of described rotor outside portion, this axial limiting portion is spacing with the two ends of described rotor inside portion.
6. as self-starting permagnetic synchronous motor as described in the claim 5, it is characterized in that described axial limiting portion is an end plate, this end plate is connected with described rotor outside portion and blocks to the end of the described rotor of major general inside portion and the end sections of described permanent magnet.
7. as self-starting permagnetic synchronous motor as described in the claim 5, it is characterized in that described axial limiting portion is an end plate, this end plate is connected with described rotor inside portion and blocks to the end of the described rotor of major general outside portion and the end sections of described permanent magnet.
8. as self-starting permagnetic synchronous motor as described in the claim 5, it is characterized in that, first end of described rotor outside portion radially inwardly forms the retaining end, and radial dimension of this retaining end is less than the external diameter of a circle of permanent magnet in the described rotor inside portion, and described retaining end is all or part of to block described permanent magnet; Second end in the rotor outside portion is provided with the axial limiting ring, and this axial limiting ring to the end sections of the described rotor of major general inside portion blocks.
9. as self-starting permagnetic synchronous motor as described in the claim 8, it is characterized in that described axial limiting ring is outside vertically, its radial dimension progressively reduces, and the inwall of described rotor outside portion and the shape of this axial limiting ring adapt.
10. a self-starting permagnetic synchronous motor rotor is provided with mouse cage sliver, end ring and permanent magnet on rotor; It is characterized in that, this rotor comprises the rotor outside portion and the rotor inside portion that can be separated from each other, pack in the rotor outside portion and fix with it in the rotor inside portion, on the rotor inside portion, be provided with standing groove, described permanent magnet is packed in this standing groove, be provided with the sliver groove on described rotor outside portion, described mouse cage sliver is arranged in the sliver groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009202380086U CN201518435U (en) | 2009-10-28 | 2009-10-28 | Self-start-up permanent magnet synchronous motor and rotor used for same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009202380086U CN201518435U (en) | 2009-10-28 | 2009-10-28 | Self-start-up permanent magnet synchronous motor and rotor used for same |
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CN201518435U true CN201518435U (en) | 2010-06-30 |
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CN2009202380086U Expired - Lifetime CN201518435U (en) | 2009-10-28 | 2009-10-28 | Self-start-up permanent magnet synchronous motor and rotor used for same |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011050730A1 (en) * | 2009-10-28 | 2011-05-05 | 珠海格力电器股份有限公司 | Self-starting permanent magnet synchronous motor, rotor used for the same and manufacturing method thereof |
CN109428436A (en) * | 2017-08-21 | 2019-03-05 | 大众汽车有限公司 | Rotor-armature spindle-component of connection with shape cooperation |
-
2009
- 2009-10-28 CN CN2009202380086U patent/CN201518435U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011050730A1 (en) * | 2009-10-28 | 2011-05-05 | 珠海格力电器股份有限公司 | Self-starting permanent magnet synchronous motor, rotor used for the same and manufacturing method thereof |
CN102055262B (en) * | 2009-10-28 | 2013-09-25 | 珠海格力电器股份有限公司 | Self-start permanent magnet synchronous motor, rotor used thereby and production method of rotor |
CN109428436A (en) * | 2017-08-21 | 2019-03-05 | 大众汽车有限公司 | Rotor-armature spindle-component of connection with shape cooperation |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20100630 Effective date of abandoning: 20091028 |
|
RGAV | Abandon patent right to avoid regrant |