CN202550731U - Rotor assembly of permanent magnet motor for air condition compressor - Google Patents
Rotor assembly of permanent magnet motor for air condition compressor Download PDFInfo
- Publication number
- CN202550731U CN202550731U CN2012201051562U CN201220105156U CN202550731U CN 202550731 U CN202550731 U CN 202550731U CN 2012201051562 U CN2012201051562 U CN 2012201051562U CN 201220105156 U CN201220105156 U CN 201220105156U CN 202550731 U CN202550731 U CN 202550731U
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- magnet
- counterbore
- punching
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- shape
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Abstract
The utility model discloses a rotor assembly of a permanent magnet motor for an air condition compressor. The rotor assembly comprises a rotating shaft, a rotor core and magnets. The rotor core consists of a big iron core formed by a group of laminated counterbore-free stamped sheets and a small iron core which is connected at one end of the big iron core and is formed by a group of laminated counterbored stamped sheets; the group of counterbore-free stamped sheets are provided with an axle hole at the center of the surface and a plurality of first magnet slots evenly distributed at the periphery of the axle hole; the group of counterbored stamped sheets is provided with a counter bore at the center of the surface and a plurality of second magnet slots evenly distributed at the periphery of the counter bore; and the area of the cross section of each first magnet slot is bigger than the area of the cross section of each second magnet slot. The magnets include a plurality of first magnets with the shape of the cross section matching with the shape of the first magnet slots, and a plurality of second magnets with the cross section matching with the shape of the second magnet slots; the first magnets are separately embedded in the first magnet slots formed by the big iron core; and the second magnets are separately embedded in the second magnet slots formed by the small iron core.
Description
Technical field
The utility model relates to the rotor assembly of a kind of compressor of air conditioner with magneto.
Background technology
It is rotor-exciting that magneto adopts ferrite usually, relative rare earth, ferritic magnetic property a little less than; Price is cheap; So during the design motor, process iron core after the punching of employing ferrite laminates, and in iron core, put into the anti-degaussing ability of the magnet of given shape as much as possible with the increase iron core.The part compressor also will be offered a counterbore with certain depth with the iron core upper surface central authorities of rotor in addition; For the compressor upper cylinder cover stays installing space; Therefore the iron core 1 of this structure adopts outer contour shape and measure-alike no counterbore punching 110 and a big iron leg core 11 and an a bit of iron core 12 (seeing Fig. 1 a to Fig. 1 d) that has the counterbore punching to laminate to process after 120 usually; 110 of no counterbore punchings need be in the periphery of axis hole 111 metal trough of punching out plurality of magnetic in uniform way hole 112; There is counterbore punching 120 not only to want the magnet slotted eye 112 that shape is identical and the position is identical in punching out and the no counterbore punching 110; Also want the counterbore 113 of the coaxial and diameter of punching out and axis hole 111 greater than axis hole 111; The area that counterbore punching 120 is arranged that counterbore 113 accounts for is bigger, makes no counterbore punching 11 and has magnet slotted eye 112 in the counterbore punching 120 can only open little and can only set the magnet 3 of same structure.Because counterbore has accounted for and has laid the space of magnet, and the space in the no counterbore punching can not be made full use of, and makes magnet can not occupy the volume of iron core as much as possible, thereby has influenced the performance of rotor.
Summary of the invention
The purpose of the utility model is in order to overcome the deficiency of prior art; The rotor assembly of a kind of compressor of air conditioner with magneto is provided; The installation that it both can be the compressor upper cylinder cover leaves the space; Can in rotor assembly, imbed magnet as much as possible again, better efficient and stronger anti-degaussing ability arranged to reach motor.
The technical scheme that realizes above-mentioned purpose is: a kind of compressor of air conditioner comprises rotating shaft, is enclosed within the iron core in the rotating shaft and is embedded in the magnet in the iron core with the rotor assembly of magneto, wherein:
Said iron core comprises that not having the counterbore punching by one group laminates back a big iron leg core that forms and an end that is connected big iron leg core and have the counterbore punching to laminate the segment iron core that the back forms by one group;
Said one group do not have the counterbore punching be provided with one be positioned at centre of surface and with the adaptive axis hole of said rotating shaft and some first peripheral magnet slotted eyes of axis hole that is distributed in;
Said one group has the counterbore punching to be provided with one to be positioned at centre of surface and diameter counterbore and the some second peripheral magnet slotted eyes of counterbore that is distributed on greater than the diameter of said axis hole;
The area of the cross section of the said first magnet slotted eye is greater than the area of the cross section of the said second magnet slotted eye;
Said magnet comprises second magnet of shape adaptation of first magnet and the some shape of cross sections and the second magnet slotted eye of the shape adaptation of the some shape of cross sections and the first magnet slotted eye;
Said some first magnet is embedded in the first magnet groove of said big iron leg core formation one by one, and said some second magnet are embedded in the second magnet groove of said segment iron core formation one by one.
Above-mentioned compressor of air conditioner is with the rotor assembly of magneto; Wherein, Said one group is not had the counterbore punching and does not have the counterbore punching by some groups and constitute, and it is different and connect into big iron leg core laminating the compartment of terrain, back respectively that every group does not have the area of shape and cross section of the first magnet slotted eye of counterbore punching.
Above-mentioned compressor of air conditioner is with the rotor assembly of magneto, and wherein, the shape of the said first magnet slotted eye is the circular arc mounting hole basically; The shape of the said second magnet slotted eye is the circular arc mounting hole basically.
Above-mentioned compressor of air conditioner is with the rotor assembly of magneto; Wherein, Said one group is not had to be uniformly distributed with accordingly respectively on counterbore punching and the said one group of surface that the counterbore punching arranged and offers some location holes, so that one group is not had counterbore punching and one group and has the counterbore punching to fuse through the rivet that passes these location holes laminating the back respectively.
The compressor of air conditioner of the utility model is with the technical scheme of the rotor assembly of magneto; Adopt the no counterbore punching magnet flute profile different with the counterbore punching is arranged; Make space in the punching of no counterbore part can not receive counterbore punching restriction and fully be utilized, and adopt two kinds of difform magnet, the installation that both can be the compressor upper cylinder cover leaves the space; Can in rotor assembly, imbed magnet as much as possible again, better efficient and stronger anti-degaussing ability arranged to reach motor.
Description of drawings
Fig. 1 a is the structural representation of the compressor of air conditioner of prior art with the rotor assembly of magneto;
Fig. 1 b is the cutaway view of the compressor of air conditioner of prior art with the rotor assembly of magneto;
Fig. 1 c is the structural representation of the compressor of air conditioner of prior art with the no counterbore punching in the rotor assembly of magneto;
Fig. 1 d is that the compressor of air conditioner of prior art is with the structural representation that the counterbore punching is arranged in the rotor assembly of magneto;
Fig. 2 a is the structural representation of the compressor of air conditioner of the utility model with the rotor assembly of magneto;
Fig. 2 b is the cutaway view of the compressor of air conditioner of the utility model with the rotor assembly of magneto;
Fig. 2 c is the structural representation of the compressor of air conditioner of the utility model with the no counterbore punching in the rotor assembly of magneto;
Fig. 2 d is that the compressor of air conditioner of the utility model is with the structural representation that the counterbore punching is arranged in the rotor assembly of magneto.
Embodiment
In order to understand the technical scheme of the utility model better, below through concrete embodiment and combine accompanying drawing at length to explain:
See also Fig. 2 a to Fig. 2 d, the compressor of air conditioner of the utility model comprises the rotating shaft (not shown), is enclosed within the iron core 2 in the rotating shaft and is embedded in the magnet in the iron core 2 with the rotor assembly of magneto, wherein:
One group do not have counterbore punching 210 be provided with one be positioned at centre of surface and with shape that the adaptive axis hole 211 of rotating shaft and some is distributed in the peripheral first magnet slotted eye, 212, the first magnet slotted eyes 212 of axis hole 211 be the circular arc mounting hole basically;
One group have counterbore punching 220 to be provided with one to be positioned at centre of surface and diameter be the circular arc mounting hole greater than the shape that the counterbore 221 of the diameter of axis hole 211 and some is distributed on the peripheral second magnet slotted eye, 222, the second magnet slotted eyes 222 of counterbore 221 basically;
The area of the cross section of the first magnet slotted eye 212 is greater than the area of the cross section of the second magnet slotted eye 222;
Magnet comprises second magnet 32 of shape adaptation of first magnet 31 and the some shape of cross sections and the second magnet slotted eye 222 of the shape adaptation of the some shape of cross sections and the first magnet slotted eye 212;
Some first magnet 31 are embedded in the first magnet groove of big iron leg core 21 formations one by one, and some second magnet 32 are embedded in the second magnet groove of segment iron core 22 formations one by one;
Be uniformly distributed with accordingly respectively on the surface that a group is not had counterbore punching 210 and a group and have a counterbore punching 220 and offer some location holes 213,223; So that one group aimed at all axis holes 211 and the first magnet slotted eye 212 when not having counterbore punching 210 punchings and laminating; And all counterbores 221 and the first magnet slotted eye 222 are aimed at when making one group to have counterbore punching 220 to laminate, so that one group is not had counterbore punching 210 and has counterbore punching 220 to make first group of punching 21 and one group have counterbore punching 220 to link into an integrated entity laminating respectively afterwards through the rivet that passes these location holes with one group.
In addition, big iron leg core 21 can also not have the counterbore punching by some groups and constitutes, every group do not have the area of shape and cross section of the first magnet slotted eye of counterbore punching different and laminating afterwards respectively the compartment of terrain connects into big iron leg core.
The compressor of air conditioner of the utility model adopts punching and difform two kinds of rotor assembly that magnet combines of two kinds of difform magnet slotted eyes with the rotor assembly of magneto; The installation that both can be the compressor upper cylinder cover leaves the space; Can in rotor assembly, imbed magnet as much as possible again, better efficient and stronger anti-degaussing ability arranged to reach motor.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the utility model; And be not the qualification that is used as the utility model; As long as in the connotation scope of the utility model, all will drop in claims scope of the utility model variation, the modification of the above embodiment.
Claims (4)
1. a compressor of air conditioner comprises rotating shaft, is enclosed within the iron core in the rotating shaft and is embedded in the magnet in the iron core with the rotor assembly of magneto, it is characterized in that,
Said iron core comprises that not having the counterbore punching by one group laminates back a big iron leg core that forms and an end that is connected big iron leg core and have the counterbore punching to laminate the segment iron core that the back forms by one group;
Said one group do not have the counterbore punching be provided with one be positioned at centre of surface and with the adaptive axis hole of said rotating shaft and some first peripheral magnet slotted eyes of axis hole that is distributed in;
Said one group has the counterbore punching to be provided with one to be positioned at centre of surface and diameter counterbore and the some second peripheral magnet slotted eyes of counterbore that is distributed on greater than the diameter of said axis hole;
The area of the cross section of the said first magnet slotted eye is greater than the area of the cross section of the said second magnet slotted eye;
Said magnet comprises second magnet of shape adaptation of first magnet and the some shape of cross sections and the second magnet slotted eye of the shape adaptation of the some shape of cross sections and the first magnet slotted eye;
Said some first magnet is embedded in the first magnet groove of said big iron leg core formation one by one, and said some second magnet are embedded in the second magnet groove of said segment iron core formation one by one.
2. compressor of air conditioner according to claim 1 is with the rotor assembly of magneto; It is characterized in that; Said one group is not had the counterbore punching and does not have the counterbore punching by some groups and constitute, and it is different and connect into big iron leg core laminating the compartment of terrain, back respectively that every group does not have the area of shape and cross section of the first magnet slotted eye of counterbore punching.
3. compressor of air conditioner according to claim 1 and 2 is characterized in that with the rotor assembly of magneto the shape of the said first magnet slotted eye is the circular arc mounting hole basically; The shape of the said second magnet slotted eye is the circular arc mounting hole basically.
4. compressor of air conditioner according to claim 1 and 2 is with the rotor assembly of magneto; It is characterized in that; Said one group is not had to be uniformly distributed with accordingly respectively on counterbore punching and the said one group of surface that the counterbore punching arranged and offers some location holes, so that one group is not had counterbore punching and one group and has the counterbore punching to fuse through the rivet that passes these location holes laminating the back respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201051562U CN202550731U (en) | 2012-03-20 | 2012-03-20 | Rotor assembly of permanent magnet motor for air condition compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201051562U CN202550731U (en) | 2012-03-20 | 2012-03-20 | Rotor assembly of permanent magnet motor for air condition compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202550731U true CN202550731U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201051562U Expired - Fee Related CN202550731U (en) | 2012-03-20 | 2012-03-20 | Rotor assembly of permanent magnet motor for air condition compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202550731U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553127A (en) * | 2016-02-16 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor rotor, motor, compressor and fabrication method of motor rotor |
| CN106026465A (en) * | 2016-06-30 | 2016-10-12 | 安徽美芝制冷设备有限公司 | Motor rotor, motor and compressor |
| CN110720169A (en) * | 2017-06-05 | 2020-01-21 | 株式会社丰田自动织机 | Rotor structure of motor |
| CN110768428A (en) * | 2018-07-26 | 2020-02-07 | 安徽美芝精密制造有限公司 | Rotor core, rotor, variable frequency motor and compressor |
-
2012
- 2012-03-20 CN CN2012201051562U patent/CN202550731U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553127A (en) * | 2016-02-16 | 2016-05-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor rotor, motor, compressor and fabrication method of motor rotor |
| CN106026465A (en) * | 2016-06-30 | 2016-10-12 | 安徽美芝制冷设备有限公司 | Motor rotor, motor and compressor |
| CN110720169A (en) * | 2017-06-05 | 2020-01-21 | 株式会社丰田自动织机 | Rotor structure of motor |
| CN110768428A (en) * | 2018-07-26 | 2020-02-07 | 安徽美芝精密制造有限公司 | Rotor core, rotor, variable frequency motor and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20210320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |