KR101056602B1 - 동기전동기의 회전자 - Google Patents
동기전동기의 회전자 Download PDFInfo
- Publication number
- KR101056602B1 KR101056602B1 KR1020100070040A KR20100070040A KR101056602B1 KR 101056602 B1 KR101056602 B1 KR 101056602B1 KR 1020100070040 A KR1020100070040 A KR 1020100070040A KR 20100070040 A KR20100070040 A KR 20100070040A KR 101056602 B1 KR101056602 B1 KR 101056602B1
- Authority
- KR
- South Korea
- Prior art keywords
- rotor
- rotor core
- synchronous motor
- slot
- stator
- Prior art date
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 27
- 239000004020 conductor Substances 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- 230000004907 flux Effects 0.000 abstract description 15
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
Description
도 1b는 종래의 동기전동기의 회전자와 고정자 사이의 공극에 형성되는 자속밀도를 보인 도.
도 2는 본 발명의 일 실시예에 따른 동기전동기의 구성을 보인 도.
도 3은 본 발명의 일 실시예에 따른 동기전동기의 회전자와 고정자 사이의 공극에 형성되는 자속밀도를 보인 도.
120 : 회전자 코어 123 : 지지홈
125 : 도체 바 127 : 슬롯
129 : 영구자석
Claims (3)
- 링형상으로 형성되며 내주면에 코일이 권선된 고정자;
외주면이 상기 고정자의 내주면과 간극을 가지면서 상기 고정자의 내부에 설치되며, 자성체로 마련되어 상기 고정자와 작용하여 회전하는 원통형상의 회전자 코어, 상기 회전자 코어의 길이방향을 따라 상기 회전자 코어의 외주면측에 일정 간격으로 형성된 복수의 지지홈, 상기 지지홈에 삽입 결합된 도체 바, 상기 도체 바 내측의 상기 회전자 코어의 부위에 상기 회전자 코어의 길이방향을 따라 형성되며, 상기 회전자 코어의 지름을 기준으로 단절됨과 동시에 대칭으로 이루면서 형성된 슬롯, 상기 슬롯에 삽입되어 상기 지름을 기준으로 대칭을 이루는 영구자석을 가지는 회전자를 구비하는 동기전동기에 있어서,
상기 지지홈의 일측은 상기 회전자 코어의 외주면 외측과 연통되고,
상기 회전자 코어의 일측면에서 본 상기 슬롯의 형상은 직선이 복수번 벤딩된 형상을 이루며,
직선을 이루는 상기 슬롯의 부위에 영구자석이 각각 삽입되되 상기 슬롯의 벤딩된 부위에는 상기 영구자석이 삽입되지 않고,
상기 지름과 인접한 상기 슬롯의 양단부는 상기 지지홈과 비연통됨과 동시에 상기 영구자석이 삽입되지 않는 것을 특징으로 하는 동기전동기의 회전자. - 제 1 항에 있어서,
n=자연수라 할 때,
상기 슬롯의 벤딩된 부위의 수는 4n이고,
상기 영구자석의 수는 2(2n-1)인 것을 특징으로 하는 동기전동기의 회전자. - 제 2 항에 있어서,
상기 회전자 코어는 규소로 형성되고,
상기 도체 바는 알루미늄 또는 구리 중에서 선택된 어느 하나로 형성된 것을 특징으로 하는 동기전동기의 회전자.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100070040A KR101056602B1 (ko) | 2010-07-20 | 2010-07-20 | 동기전동기의 회전자 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100070040A KR101056602B1 (ko) | 2010-07-20 | 2010-07-20 | 동기전동기의 회전자 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR101056602B1 true KR101056602B1 (ko) | 2011-08-11 |
Family
ID=44933246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020100070040A KR101056602B1 (ko) | 2010-07-20 | 2010-07-20 | 동기전동기의 회전자 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101056602B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980083325A (ko) * | 1997-05-13 | 1998-12-05 | 윤종용 | 영구자석 매립형 회전자 구조 |
JPH11103545A (ja) | 1997-09-26 | 1999-04-13 | Fujitsu General Ltd | 永久磁石電動機 |
KR100428512B1 (ko) | 2002-07-16 | 2004-04-29 | 삼성전자주식회사 | 동기전동기의 회전자 |
JP2010088219A (ja) | 2008-09-30 | 2010-04-15 | Mitsubishi Electric Corp | 永久磁石埋め込み型回転子及び掃除機 |
-
2010
- 2010-07-20 KR KR1020100070040A patent/KR101056602B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980083325A (ko) * | 1997-05-13 | 1998-12-05 | 윤종용 | 영구자석 매립형 회전자 구조 |
JPH11103545A (ja) | 1997-09-26 | 1999-04-13 | Fujitsu General Ltd | 永久磁石電動機 |
KR100428512B1 (ko) | 2002-07-16 | 2004-04-29 | 삼성전자주식회사 | 동기전동기의 회전자 |
JP2010088219A (ja) | 2008-09-30 | 2010-04-15 | Mitsubishi Electric Corp | 永久磁石埋め込み型回転子及び掃除機 |
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