CN201726212U - 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
- Publication number
- CN201726212U CN201726212U CN2010202170216U CN201020217021U CN201726212U CN 201726212 U CN201726212 U CN 201726212U CN 2010202170216 U CN2010202170216 U CN 2010202170216U CN 201020217021 U CN201020217021 U CN 201020217021U CN 201726212 U CN201726212 U CN 201726212U
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- CN
- China
- Prior art keywords
- rotor core
- ring
- balance weight
- magnet steel
- oil retaining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a rotor of a self-starting permanent magnet synchronous motor and a compressor using the same. The compressor comprises a rotor iron core. The rotor iron core is provided with a magnetic steel groove. A magnetic steel is arranged in the magnetic steel groove. A first end of the rotor iron core is provided with a main balancing block. A second end of the rotor iron core is provided with an auxiliary balancing block. The second end of the rotor iron core is also provided with a check ring. The check ring comprises an umbrella-shaped oil retaining part and a baffle ring positioned on the lower end face of the oil retaining part. The baffle ring shelters at least part of the magnetic steel groove at the second end of the rotor iron core. The utility model integrates an oil retaining cap with a magnetic steel baffle plate, not only guarantees the oil retaining effect, but also reduces parts and components and can effectively reduce material cost of the product and production efficiency.
Description
Technical field
The utility model relates to a kind of self-starting permanent magnet synchronous motor rotor and uses 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 purpose of this utility model is to overcome the defective of prior art, a kind of permanent-magnetic synchronous motor rotor is provided, the utility model 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 utility model provides a kind of compressor simultaneously, comprise permagnetic synchronous motor, on the rotor core of this motor, be provided with the magnet steel groove, be provided with magnet steel in the magnet steel groove, first end at rotor core is provided with main balance weight, and be 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 described in the utility model 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, the utility model has the advantages that: the utility model is the economical with materials cost effectively, improves production efficiency of products.
Description of drawings
Fig. 1 is the structure chart of the utility model embodiment 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 utility model embodiment 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 embodiment of the present utility model is 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.
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 (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 |
|---|---|---|---|
| CN2010202170216U CN201726212U (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 |
|---|---|---|---|
| CN2010202170216U CN201726212U (en) | 2010-06-03 | 2010-06-03 | Rotor of self-starting permanent magnet synchronous motor and compressor using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201726212U true CN201726212U (en) | 2011-01-26 |
Family
ID=43494565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202170216U Expired - Lifetime CN201726212U (en) | 2010-06-03 | 2010-06-03 | Rotor of self-starting permanent magnet synchronous motor and compressor using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201726212U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270891A (en) * | 2010-06-03 | 2011-12-07 | 珠海格力电器股份有限公司 | Rotor of self-starting permanent magnet synchronous motor and compressor using same |
| CN103138438A (en) * | 2011-11-29 | 2013-06-05 | 三星电机株式会社 | Switched reluctance motor |
| CN105485016A (en) * | 2016-01-11 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil baffle assembly and compressor |
-
2010
- 2010-06-03 CN CN2010202170216U patent/CN201726212U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270891A (en) * | 2010-06-03 | 2011-12-07 | 珠海格力电器股份有限公司 | Rotor of self-starting permanent magnet synchronous motor and compressor using same |
| CN102270891B (en) * | 2010-06-03 | 2013-05-22 | 珠海格力电器股份有限公司 | Rotor of self-starting permanent magnet synchronous motor and compressor using same |
| CN103138438A (en) * | 2011-11-29 | 2013-06-05 | 三星电机株式会社 | Switched reluctance motor |
| CN105485016A (en) * | 2016-01-11 | 2016-04-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Oil baffle assembly and compressor |
| CN105485016B (en) * | 2016-01-11 | 2018-09-25 | 珠海格力节能环保制冷技术研究中心有限公司 | The oily component of gear and compressor |
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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: 20110126 Effective date of abandoning: 20130522 |
|
| RGAV | Abandon patent right to avoid regrant |