CN102270891A - Rotor of self-starting permanent magnet synchronous motor and compressor using same - Google Patents
Rotor of self-starting permanent magnet synchronous motor and compressor using same Download PDFInfo
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- CN102270891A CN102270891A CN2010101930974A CN201010193097A CN102270891A CN 102270891 A CN102270891 A CN 102270891A CN 2010101930974 A CN2010101930974 A CN 2010101930974A CN 201010193097 A CN201010193097 A CN 201010193097A CN 102270891 A CN102270891 A CN 102270891A
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- rotor core
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- balance weight
- magnet steel
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Abstract
The invention discloses a rotor of a self-starting permanent magnet synchronous motor and a compressor using the same. The compressor comprises a rotor core, a magnetic steel channel is arranged on the rotor core, magnetic steel is arranged in the magnetic steel channel, a main balancing block is arranged at the first end of the rotor core, an auxiliary balancing block is arranged at the second end of the rotor core, a check ring is also arranged at the second end of the rotor core and comprises an umbrella-shaped oil stopping part and a baffle ring positioned at the lower end surface of the oil stopping part, and the baffle ring at least shields part of the magnetic steel channel at the second end of the rotor core. In the rotor of the self-starting permanent magnet synchronous motor, an oil stopping cap and a magnetic steel baffle plate are integrated, therefore, the oil stopping effect is ensured, parts are reduced, the material cost of products is effectively reduced and the production efficiency is effectively increased.
Description
Technical field
The present invention relates to a kind of self-starting permanent magnet synchronous motor rotor and use the compressor of this rotor.
Background technology
Be provided with magnet steel in the rotor core of existing self-starting permagnetic synchronous motor, in rotor core, be provided with magnet steel, be respectively equipped with a magnet steel baffle plate at the two ends of rotor core, two magnet steel baffle plates carry out axial limiting to the two ends of magnet steel respectively, wherein end at rotor core also is provided with leakproof oil cap, the refrigeration oil that is used for separating cold media gas by this leakproof oil cap, reduce the oil content of refrigeration oil in the cold media gas, prevent that a large amount of refrigeration oils from entering system, cause pump housing insufficient lubrication and air-conditioning system decrease in efficiency.
The complex structure of existing self-starting permagnetic synchronous motor, number of spare parts is many, causes the material cost height, and also the efficient of influence production needs to do further to improve.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of permanent-magnetic synchronous motor rotor is provided, the present invention has not only guaranteed leakproof oil cap and magnet steel baffle integration the oily effect of retaining but also has reduced parts, can effectively reduce the material cost and the production efficiency of product.
Its technical scheme is as follows:
A kind of self-starting permanent magnet synchronous motor rotor comprises rotor core, is provided with the magnet steel groove on rotor core, is provided with magnet steel in the magnet steel groove, is provided with main balance weight at first end of rotor core, is provided with secondary balance weight at second end of rotor core; Second end at rotor core also is provided with back-up ring; Back-up ring comprises the oil retaining part of umbrella and is positioned at the baffle ring of oil retaining part lower surface that this baffle ring to the magnet steel slot part of described rotor core second end of major general blocks.
The present invention provides a kind of compressor simultaneously, comprises permagnetic synchronous motor, is provided with the magnet steel groove on the rotor core of this motor, is provided with magnet steel in the magnet steel groove, is provided with main balance weight at first end of rotor core, is provided with secondary balance weight at second end of rotor core; Second end at rotor core also is provided with back-up ring; Back-up ring comprises the oil retaining part of umbrella and is positioned at the baffle ring of oil retaining part lower surface that this baffle ring to the magnet steel slot part of described rotor core second end of major general blocks.
Back-up ring of the present invention plays the effect of existing leakproof oil cap and magnet steel baffle plate simultaneously, has reduced material cost, owing to saved amount of parts, has reduced the difficulty and the step of processing, has improved production efficiency.
The technical scheme of the further refinement of aforementioned techniques scheme can be:
Described oil retaining part comprises the main body of column and is positioned at the columnar body outer end and radially outer outward flange that described baffle ring is for being located at the inner and radially inner inner flange of oil retaining part.
Second end at described rotor core is provided with fixed leg, is equipped with fixing hole on described outward flange, secondary balance weight, and fixed leg is connected described back-up ring, secondary balance weight after passing fixing hole on described outward flange, the secondary balance weight respectively with described rotor core.
First end at described rotor core also is provided with described back-up ring, and block this back-up ring to the first end section of the described magnet steel of major general.Adopt aforementioned back-up ring to replace the magnet steel plate washer of rotor core first end, can further reduce the processing cost of product.
In sum, advantage of the present invention is: the present invention is the economical with materials cost effectively, improves production efficiency of products.
Description of drawings
Fig. 1 is the structure chart of the embodiment of the invention one;
Fig. 2 is the enlarged drawing of back-up ring;
Fig. 3 is the vertical view of rotor second end;
Fig. 4 is among Fig. 3, along the cutaway view of a-d-c-o-d direction;
Fig. 5 is the structure chart of the embodiment of the invention two;
Description of reference numerals:
1, rotor core, 2, magnet steel, 3, main balance weight, 4, secondary balance weight, 5, back-up ring, 6, oil retaining part, 7, baffle ring, 8, outward flange, 9, fixed leg, 10, fixing hole, 11, the magnet steel baffle plate, 12, opening.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated:
Embodiment one
As shown in Figures 1 to 4, a kind of self-starting permanent magnet synchronous motor rotor comprises rotor core 1, is provided with magnet steel 2 in rotor core 1, is provided with main balance weight 3 at first end of rotor core 1, is provided with secondary balance weight 4 at second end of rotor core 1; Second end at rotor core 1 also is provided with back-up ring 5; Secondary balance weight 4 is between rotor core 1 and back-up ring 5, and back-up ring 5 comprises the oil retaining part 6 of umbrella and be positioned at the baffle ring 7 of the lower surface of oil retaining part 6 that this baffle ring 7 blocks the magnet steel 2 in second end of rotor core 1.
Wherein, described oil retaining part 6 comprises the main body of column and is positioned at the columnar body outer end and radially outer outward flange 8 that described baffle ring 7 is for being located at oil retaining part 6 inner and radially inner inner flanges; Second end at rotor core 1 is provided with fixed leg 9, on outward flange 8, secondary balance weight 4, be equipped with fixing hole 10, fixed leg 9 is connected back-up ring 5, secondary balance weight 4 after passing fixing hole 10 on outward flange 8, the secondary balance weight 4 respectively with rotor core 1, fixed leg 9 can be welded on the end ring of two ends of rotor, also can be one-body molded with the end ring of rotor.The outward flange 8 of oil retaining part 6 is positioned at the top of rotor subject, be used for separating from what rotor opening 12 rose and be blended in refrigeration oil the cold media gas, reduce the oil content of refrigeration oil in the cold media gas, prevent that a large amount of refrigeration oils from entering system, cause pump housing insufficient lubrication and air-conditioning system decrease in efficiency.
First end at rotor core 1 is provided with the magnet steel plate washer, and this magnet steel baffle plate 11 blocks first end of magnet steel 2, and main balance weight 3 is positioned at the outside of magnet steel baffle plate 11.
The described back-up ring 5 of present embodiment plays the effect of existing leakproof oil cap and magnet steel baffle plate 11 simultaneously, has reduced material cost, owing to saved amount of parts, has reduced the difficulty and the step of processing, has improved production efficiency.
Embodiment two
As shown in Figure 5, in the present embodiment, also be provided with back-up ring 5 at first end of rotor core 1, this back-up ring 5 is the partial occlusion of the magnet steel 2 in first end of rotor core 1 just.Rotor core 1 first end, second end all adopt back-up ring 5, secondary balance weight 4 is between rotor core 1 and back-up ring 5, back-up ring 5 between main balance weight 3 and rotor core 1, be used for axial location is carried out at the two ends of magnet steel 2, can further reduce the processing cost of product.
Be specific embodiments of the invention only below, do not limit protection scope of the present invention with this; Any replacement and the improvement done on the basis of not violating the present invention's design all belong to protection scope of the present invention.
Claims (8)
1. a self-starting permanent magnet synchronous motor rotor comprises rotor core, is provided with the magnet steel groove on rotor core, is provided with magnet steel in the magnet steel groove, is provided with main balance weight at first end of rotor core, is provided with secondary balance weight at second end of rotor core; It is characterized in that, also be provided with back-up ring at second end of rotor core; Back-up ring comprises the oil retaining part of umbrella and is positioned at the baffle ring of oil retaining part lower surface that this baffle ring to the magnet steel slot part of described rotor core second end of major general blocks.
2. self-starting permanent magnet synchronous motor rotor according to claim 1 is characterized in that, described oil retaining part comprises the main body of column and be positioned at the columnar body outer end and radially outer outward flange that described baffle ring is for being located at the inner also radially inner inner flange of oil retaining part.
3. as self-starting permanent magnet synchronous motor rotor as described in the claim 2, it is characterized in that, second end at described rotor core is provided with fixed leg, be equipped with fixing hole on described outward flange, secondary balance weight, fixed leg is connected described back-up ring, secondary balance weight after passing fixing hole on described outward flange, the secondary balance weight respectively with described rotor core.
4. as self-starting permanent magnet synchronous motor rotor as described in each in the claim 1 to 3, it is characterized in that also be provided with described back-up ring at first end of described rotor core, block this back-up ring to the first end section of the described rotor core of major general.
5. a compressor comprises permagnetic synchronous motor, is provided with the magnet steel groove on the rotor core of this motor, is provided with magnet steel in the magnet steel groove, is provided with main balance weight at first end of rotor core, is provided with secondary balance weight at second end of rotor core; It is characterized in that, also be provided with back-up ring at second end of rotor core; Back-up ring comprises the oil retaining part of umbrella and is positioned at the baffle ring of oil retaining part lower surface that this baffle ring to the magnet steel slot part of described rotor core second end of major general blocks.
6. as compressor as described in the claim 5, it is characterized in that described oil retaining part comprises the main body of column and be positioned at the columnar body outer end and radially outer outward flange that described baffle ring is for being located at the inner also radially inner inner flange of oil retaining part.
7. as compressor as described in the claim 6, it is characterized in that, second end at described rotor core is provided with fixed leg, be equipped with fixing hole on described outward flange, secondary balance weight, fixed leg is connected described back-up ring, secondary balance weight after passing fixing hole on described outward flange, the secondary balance weight respectively with described rotor core.
8. as compressor as described in each in the claim 5 to 7, it is characterized in that also be provided with described back-up ring at first end of described rotor core, block this back-up ring to the first end section of the described magnet steel of major general.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010193097 CN102270891B (en) | 2010-06-03 | 2010-06-03 | Rotor of self-starting permanent magnet synchronous motor and compressor using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010193097 CN102270891B (en) | 2010-06-03 | 2010-06-03 | Rotor of self-starting permanent magnet synchronous motor and compressor using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102270891A true CN102270891A (en) | 2011-12-07 |
| CN102270891B CN102270891B (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010193097 Active CN102270891B (en) | 2010-06-03 | 2010-06-03 | Rotor of self-starting permanent magnet synchronous motor and compressor using same |
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| Country | Link |
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| CN (1) | CN102270891B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393698A (en) * | 2014-11-18 | 2015-03-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Synchronous motor rotor with baffle structure |
| CN105604949A (en) * | 2016-01-20 | 2016-05-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with same |
| CN107404164A (en) * | 2017-09-11 | 2017-11-28 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of air-conditioning, compressor, rotor assembly and rotor core |
| CN110429734A (en) * | 2019-08-28 | 2019-11-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor assembly, motor, compressor |
| CN111555487A (en) * | 2019-02-12 | 2020-08-18 | 广东威灵电机制造有限公司 | Motor rotor and motor with same |
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| JPH05227687A (en) * | 1992-02-12 | 1993-09-03 | Daikin Ind Ltd | Permanent magnet type rotor |
| JP2001349293A (en) * | 2001-04-05 | 2001-12-21 | Sanyo Electric Co Ltd | Hermetic rotary compressor |
| CN101030713A (en) * | 2006-12-30 | 2007-09-05 | 珠海格力电器股份有限公司 | Motor rotor and its assembling method for compressor |
| CN101106295A (en) * | 2006-07-11 | 2008-01-16 | 三菱电机株式会社 | Rotor, closed type compressor and refrigeration circulation device |
| JP2008263663A (en) * | 2007-04-10 | 2008-10-30 | Aichi Elec Co | Manufacturing method of permanent magnet embedded rotor and permanent magnet embedded rotor manufactured using method |
| CN201234198Y (en) * | 2008-03-05 | 2009-05-06 | 松下电器产业株式会社 | Rotor, compressor and device for brushless DC motor |
| JP2009171775A (en) * | 2008-01-18 | 2009-07-30 | Daikin Ind Ltd | Rotor, motor, and compressor |
| JP2010236453A (en) * | 2009-03-31 | 2010-10-21 | Fujitsu General Ltd | Electric motor rotor |
| CN201726212U (en) * | 2010-06-03 | 2011-01-26 | 珠海格力电器股份有限公司 | Rotor of self-starting permanent magnet synchronous motor and compressor using same |
-
2010
- 2010-06-03 CN CN 201010193097 patent/CN102270891B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05227687A (en) * | 1992-02-12 | 1993-09-03 | Daikin Ind Ltd | Permanent magnet type rotor |
| JP2001349293A (en) * | 2001-04-05 | 2001-12-21 | Sanyo Electric Co Ltd | Hermetic rotary compressor |
| CN101106295A (en) * | 2006-07-11 | 2008-01-16 | 三菱电机株式会社 | Rotor, closed type compressor and refrigeration circulation device |
| CN101030713A (en) * | 2006-12-30 | 2007-09-05 | 珠海格力电器股份有限公司 | Motor rotor and its assembling method for compressor |
| JP2008263663A (en) * | 2007-04-10 | 2008-10-30 | Aichi Elec Co | Manufacturing method of permanent magnet embedded rotor and permanent magnet embedded rotor manufactured using method |
| JP2009171775A (en) * | 2008-01-18 | 2009-07-30 | Daikin Ind Ltd | Rotor, motor, and compressor |
| CN201234198Y (en) * | 2008-03-05 | 2009-05-06 | 松下电器产业株式会社 | Rotor, compressor and device for brushless DC motor |
| JP2010236453A (en) * | 2009-03-31 | 2010-10-21 | Fujitsu General Ltd | Electric motor rotor |
| CN201726212U (en) * | 2010-06-03 | 2011-01-26 | 珠海格力电器股份有限公司 | Rotor of self-starting permanent magnet synchronous motor and compressor using same |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393698A (en) * | 2014-11-18 | 2015-03-04 | 珠海格力节能环保制冷技术研究中心有限公司 | Synchronous motor rotor with baffle structure |
| CN104393698B (en) * | 2014-11-18 | 2017-03-01 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of synchronous electric motor rotor with baffle arrangement |
| CN105604949A (en) * | 2016-01-20 | 2016-05-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and air conditioner with same |
| CN105604949B (en) * | 2016-01-20 | 2018-04-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and there is its air conditioner |
| CN107404164A (en) * | 2017-09-11 | 2017-11-28 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of air-conditioning, compressor, rotor assembly and rotor core |
| CN107404164B (en) * | 2017-09-11 | 2023-09-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Air conditioner, compressor, rotor assembly and rotor core |
| CN111555487A (en) * | 2019-02-12 | 2020-08-18 | 广东威灵电机制造有限公司 | Motor rotor and motor with same |
| CN110429734A (en) * | 2019-08-28 | 2019-11-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor assembly, motor, compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102270891B (en) | 2013-05-22 |
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