CN204794420U - Air conditioner fan motor pieces together insulating permanent magnet rotor of a piece formula - Google Patents
Air conditioner fan motor pieces together insulating permanent magnet rotor of a piece formula Download PDFInfo
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- CN204794420U CN204794420U CN201520408471.6U CN201520408471U CN204794420U CN 204794420 U CN204794420 U CN 204794420U CN 201520408471 U CN201520408471 U CN 201520408471U CN 204794420 U CN204794420 U CN 204794420U
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- rotor
- air conditioner
- permanent magnet
- fan motor
- piece type
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Abstract
The utility model provides an air conditioner fan motor pieces together insulating permanent magnet rotor of a piece formula, relates to permanent magnetism brushless DC motor and reforms transform technical field, its characterized in that: including the rotor shell, install rotor core in the rotor shell, be equipped with the ferrite magnetic shoe between rotor core and the rotor shell, be equipped with the pivot in the rotor core, the protective sheath that the one deck was made by the BMC material is wrapped up outward in the pivot, rotor core splices into ring shape by four iron core monomers, is equipped with dovetail structure and magnet steel location boss on the iron core monomer, there is location R angle on the boss of magnet steel location, be equipped with on the ferrite magnetic shoe and connect the R angle, be equipped with the helicla flute in the pivot. The utility model discloses rational in infrastructure, practice thrift the cost, optimize the electromagnetism noise of motor simultaneously.
Description
Technical field:
The utility model relates to brushless, permanently excited direct current motor renovation technique field, is specifically related to a kind of assembled piece type insulating permanent magnet rotor of fan motor of air conditioner.
Background technology:
Assembled piece type insulating permanent magnet rotor for fan motor of air conditioner generally comprises assembled piece type insulating permanent magnet rotor body, this rotor body has rotor core, ferrite magnetic shoe, rotating shaft, BMC.Conventional rotors annular, external arc diameter is generally 39.8mm, and Inner arc diameter is generally 8-12mm, and punching area is large, and external arc periphery does not have magnetic shoe positioning body, and rotor solid core is on-insulated, and rotating shaft is riveting type, and this rotor structure exists following shortcoming:
1. rotor circumference does not have magnetic shoe positioning body, and magnetic shoe attachment needs by outside tool, and operation bothers, and manufacturing cost is high, and magnetic shoe attachment gap is uneven, and rotor dynamic balancing is poor, and motor resonance noise is large;
2. rotor is solid core, on-insulated with rotating shaft, easily produces bearing galvano-cautery phenomenon, affects bearing life, always affect electrical machinery life;
3. punching area is large, and silicon steel sheet consumption is many, and material cost is high;
4. rotor riveting technique, interference fit, causes rotor dynamic balancing poor, and motor resonance noise is large.
Fan motor of air conditioner is commercially of a great variety, and consumption is very large, dog-eat-dog, and user requires more and more higher to cost and noise pollution, and each motor production firm reduces the noise of motor while exhausting one's ability to reduce cost.
Utility model content:
Technical problem to be solved in the utility model is to overcome the assembled piece type insulating permanent magnet rotor that existing technological deficiency provides a kind of a kind of fan motor of air conditioner of rational in infrastructure, cost-saving, the electromagnetic noise of simultaneously optimizing motor.
Technical problem to be solved in the utility model adopts following technical scheme to realize:
A kind of assembled piece type insulating permanent magnet rotor of fan motor of air conditioner, it is characterized in that: comprise rotor case, in described rotor case, rotor core is installed, ferrite magnetic shoe is provided with between rotor core and rotor case, rotating shaft is provided with, the protective sleeve that rotating shaft outer wrapping one deck is made up of BMC in described rotor core;
Described rotor core is spliced into annular by four iron core monomers, and iron core monomer is provided with oat tail groove structure and magnet steel positioning boss, described magnet steel positioning boss has R angle, location, and described ferrite magnetic shoe is provided with and connects R angle, and described rotating shaft is provided with helicla flute;
Described rotor core is annular, and outside diameter is 83.6mm, and interior circular diameter is 66mm;
Described ferrite magnetic shoe is fan-shaped, and outer arc radius is 12.5mm-17.6mm, and width is 17.2-18mm, and inner arc radius is 19.9mm, and width is 14.7mm, and thickness is 5.1mm, and eccentric distance is 7.4-12.5mm;
Described rotating shaft is cylindrical, and sectional area is diameter 8mm-12mm, and length is 80-110mm;
Described iron core monomer is fan-shaped, and outer arc radius is 41.8mm, and inner arc radius is 33mm, and fan-shaped angle is 90 °;
Described ferrite magnetic shoe connecting R angle is radius 1.5mm arc transition chamfering;
The semicircle of helicla flute to be diameter be 0.6-1mm in described rotating shaft, pitch is 4-8mm, and the number of turns is the spirality grooving of 3-4 circle;
Described oat tail groove structure is trapezoidal, the long 1.5mm of minor face, long length of side 2.1mm, height 1.2mm;
Described magnet steel positioning boss is abnormity, and a radius is the circular arc of 0.46, and centre distance is 20.44mm, connects R angle and the tangent transition of iron core monomer external arc by two;
R angle, described location is radius 1.5mm arc transition chamfering, equal with ferrite magnetic shoe connecting R angle.
The beneficial effects of the utility model are:
1. improve magnetic shoe in rotor diameter location circumferentially and distribution precision, eliminate riveting axle technique, improve rotor balancing, improve motor noise; Thus deducted rotor dynamic balancing adjustment operation, reduce dynamic balancing equipment investment, reduce the manufacturing cost of motor simultaneously;
2. rotating shaft and core insulation, overcomes the galvano-cautery phenomenon of bearing, improves bearing life, thus improves electrical machinery life;
3. decrease the consumption of rotor core, reduce material cost;
4. eliminate magnetic shoe and mount the glue application operation needed more.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
Fig. 2 is ferrite magnetic shoe structural representation.
Fig. 3 is iron core monomer structure schematic diagram.
Fig. 4 is pivot structure schematic diagram.
Embodiment:
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
As Fig. 1,2, shown in 3 and 4, a kind of assembled piece type insulating permanent magnet rotor of fan motor of air conditioner, it is characterized in that: comprise rotor case 1, in described rotor case 2, rotor core 2 is installed, ferrite magnetic shoe 3 is provided with between rotor core 2 and rotor case 1, rotating shaft 4 is provided with, the protective sleeve 5 that rotating shaft 4 outer wrapping one deck is made up of BMC in described rotor core 2;
Described rotor core 2 has four iron core monomers 21 to be spliced into annular, iron core monomer 21 is provided with oat tail groove structure 211 and magnet steel positioning boss 212, state on magnet steel positioning boss 212 and have R angle 2121, location, described ferrite magnetic shoe 3 is provided with and connects R angle 31, helicla flute 41 in described rotating shaft 4;
Described rotor core 2 is in annular, and outside diameter is 83.6mm, and interior circular diameter is 66mm;
Described ferrite magnetic shoe 3 is in fan-shaped, and outer arc radius is 12.5mm-17.6mm, and width is 17.2-18mm, and inner arc radius is 19.9mm, and width is 14.7mm, and thickness is 5.1mm, and eccentric distance is 7.4-12.5mm;
Described rotating shaft 4 is cylindrical, and sectional area is diameter 8mm-12mm, and length is 80-110mm;
Described iron core monomer 21 is in fan-shaped, and outer arc radius is 41.8mm, and inner arc radius is 33mm, and fan-shaped angle is 90 °;
Described ferrite magnetic shoe 3 connects R angle 31 for radius 1.5mm arc transition chamfering;
In described rotating shaft 4 helicla flute 41 for diameter be the semicircle of 0.6-1mm, pitch is 4-8mm, the number of turns be 3-4 circle spirality grooving;
Described oat tail groove structure 211 is trapezoidal, the long 1.5mm of minor face, long length of side 2.1mm height 1.2mm;
Described magnet steel positioning boss 212 is abnormity, and a radius is the circular arc of 0.46, and centre distance is 20.44mm, connects R angle 31 and the tangent transition of iron core monomer 21 external arc by two;
R angle, described location 2121 is for radius 1.5mm arc transition chamfering is with that ferrite magnetic shoe 3 connects R angle 31 is equal.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. the assembled piece type insulating permanent magnet rotor of a fan motor of air conditioner, it is characterized in that: comprise rotor case, in described rotor case, rotor core is installed, ferrite magnetic shoe is provided with between rotor core and rotor case, rotating shaft is provided with, the protective sleeve that rotating shaft outer wrapping one deck is made up of BMC in described rotor core;
Described rotor core is spliced into annular by four iron core monomers, and iron core monomer is provided with oat tail groove structure and magnet steel positioning boss, described magnet steel positioning boss has R angle, location, and described ferrite magnetic shoe is provided with and connects R angle, and described rotating shaft is provided with helicla flute.
2. the assembled piece type insulating permanent magnet rotor of a kind of fan motor of air conditioner according to claim 1, is characterized in that: described rotor core is annular, and outside diameter is 83.6mm, and interior circular diameter is 66mm.
3. the assembled piece type insulating permanent magnet rotor of a kind of fan motor of air conditioner according to claim 1, it is characterized in that: described ferrite magnetic shoe is fan-shaped, outer arc radius is 12.5mm-17.6mm, width is 17.2-18mm, inner arc radius is 19.9mm, width is 14.7mm, and thickness is 5.1mm, and eccentric distance is 7.4-12.5mm.
4. the assembled piece type insulating permanent magnet rotor of a kind of fan motor of air conditioner according to claim 1, is characterized in that: described rotating shaft is cylindrical, and sectional area is diameter 8mm-12mm, and length is 80-110mm.
5. the assembled piece type insulating permanent magnet rotor of a kind of fan motor of air conditioner according to claim 1, it is characterized in that: described iron core monomer is fan-shaped, outer arc radius is 41.8mm, and inner arc radius is 33mm, and fan-shaped angle is 90 °.
6. the assembled piece type insulating permanent magnet rotor of a kind of fan motor of air conditioner according to claim 1, is characterized in that: described ferrite magnetic shoe connecting R angle is radius 1.5mm arc transition chamfering.
7. the assembled piece type insulating permanent magnet rotor of a kind of fan motor of air conditioner according to claim 1, is characterized in that: the semicircle of helicla flute to be diameter be 0.6-1mm in described rotating shaft, pitch is 4-8mm, and the number of turns is the spirality grooving of 3-4 circle.
8. the assembled piece type insulating permanent magnet rotor of a kind of fan motor of air conditioner according to claim 1, is characterized in that: described oat tail groove structure is trapezoidal, the long 1.5mm of minor face, long length of side 2.1mm, height 1.2mm.
9. the assembled piece type insulating permanent magnet rotor of a kind of fan motor of air conditioner according to claim 1, it is characterized in that: described magnet steel positioning boss is abnormity, a radius is the circular arc of 0.46, and centre distance is 20.44mm, connects R angle and the tangent transition of iron core monomer external arc by two.
10. the assembled piece type insulating permanent magnet rotor of a kind of fan motor of air conditioner according to claim 1, is characterized in that: R angle, described location is radius 1.5mm arc transition chamfering, equal with ferrite magnetic shoe connecting R angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408471.6U CN204794420U (en) | 2015-06-11 | 2015-06-11 | Air conditioner fan motor pieces together insulating permanent magnet rotor of a piece formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408471.6U CN204794420U (en) | 2015-06-11 | 2015-06-11 | Air conditioner fan motor pieces together insulating permanent magnet rotor of a piece formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204794420U true CN204794420U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520408471.6U Expired - Fee Related CN204794420U (en) | 2015-06-11 | 2015-06-11 | Air conditioner fan motor pieces together insulating permanent magnet rotor of a piece formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204794420U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533111A (en) * | 2016-12-08 | 2017-03-22 | 浙江万冠电机有限公司 | Permanent magnetic DC brushless motor |
| CN109149817A (en) * | 2018-10-11 | 2019-01-04 | 江苏富天江电子电器有限公司 | High power DC rotor for brushless motor structure |
-
2015
- 2015-06-11 CN CN201520408471.6U patent/CN204794420U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533111A (en) * | 2016-12-08 | 2017-03-22 | 浙江万冠电机有限公司 | Permanent magnetic DC brushless motor |
| CN109149817A (en) * | 2018-10-11 | 2019-01-04 | 江苏富天江电子电器有限公司 | High power DC rotor for brushless motor structure |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20190611 |