KR970024462A - Magnet for detecting rotor position of non-commutator motor - Google Patents

Magnet for detecting rotor position of non-commutator motor Download PDF

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Publication number
KR970024462A
KR970024462A KR1019950037310A KR19950037310A KR970024462A KR 970024462 A KR970024462 A KR 970024462A KR 1019950037310 A KR1019950037310 A KR 1019950037310A KR 19950037310 A KR19950037310 A KR 19950037310A KR 970024462 A KR970024462 A KR 970024462A
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KR
South Korea
Prior art keywords
magnet
rotor
detecting
section
magnetic
Prior art date
Application number
KR1019950037310A
Other languages
Korean (ko)
Other versions
KR100196430B1 (en
Inventor
조재성
이인재
Original Assignee
조병호
동양기전주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 조병호, 동양기전주식회사 filed Critical 조병호
Priority to KR1019950037310A priority Critical patent/KR100196430B1/en
Priority to JP8279038A priority patent/JPH09140113A/en
Priority to DE19644260A priority patent/DE19644260A1/en
Publication of KR970024462A publication Critical patent/KR970024462A/en
Application granted granted Critical
Publication of KR100196430B1 publication Critical patent/KR100196430B1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushless Motors (AREA)
  • Dc Machiner (AREA)

Abstract

본 발명은 자기소자를 이용한 무정류자 모터의 회전자 위치검출용 자석에 관한 것으로, 특히 모터의 역기전압을 기준으로 부하전류의 공급구간을 조절하여 모터의 고효율화 및 제작비용 절감을 위한 무정류자 모터의 회전자 위치검출용 자석에 관한 것이다. 본 발명은 회전자 위치검출용 자석을 회전자의 계자 자석의 극수와 동일한 n개의 자극으로 구성하여 각각의 극당 분할된 자극의 각도(θ1)를 전기자에서 발생되는 역기전압(E)의 크기와 연계하여 일정각도(θ2)로 축소하고, θ1과 θ2의 차에 해당되는 각도를 무자극 구간으로 구성하며, 내측 회전자 위치검출용 자석은, 자극(9-a)∼(9-d)의 사이에 (9-e)∼(9-h)의 무자극 구간을 두어 구성하여 경방향의 외측에 무자극 구간의 홈을 형성시켜 자극을 구성하며, 외측 회전자의 위치검출용 자석은, 자극(10-a)∼(10-d)의 사이에 (10-e)∼(10-h)의 무자극 구간을 두어 구성하여 경방향의 내측에 무자극 구간의 홈을 형성시켜 자극을 구성하며, 상기 위치검출용 자석은 자로(Yoke)와 일체로 구성되며, 위치 검출용 자석의 중심축을 기준으로 상하방향에 자극을 구성하는 것을 특징으로 한다.The present invention relates to a magnet for detecting the position of a rotor of a non-commutator motor using a magnetic element, in particular, by adjusting the supply period of the load current based on the counter electromotive voltage of the motor to improve the efficiency of the motor and reduce the manufacturing cost of the motor. A magnet for rotor position detection. According to the present invention, the magnet for detecting the position of the rotor is composed of n magnetic poles equal to the number of poles of the magnetic field magnet of the rotor, and the angle (θ1) of the divided magnetic poles per pole is associated with the magnitude of the counter electromotive voltage (E) generated in the armature. And the angle corresponding to the difference between θ1 and θ2 is composed of a non-stimulation section, and the inner rotor position detecting magnet is between the magnetic poles 9-a to 9-d. The magnetic pole is formed by forming a non-stimulated section of (9-e) to (9-h) in the non-stimulated section on the radially outer side, and the magnet for detecting the position of the outer rotor has a magnetic pole ( The magnetic pole is formed by forming a non-irritating section of (10-e) to (10-h) between 10-a) and (10-d) to form a groove of the non-stimulating section in the radially inner side, The position detecting magnet is integrally formed with a yoke and constitutes a magnetic pole in the vertical direction based on the central axis of the position detecting magnet. It is done.

Description

무정류자 모터의 회전자 위치검출용 자석Magnet for detecting rotor position of non-commutator motor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 종래의 내측회전자에 적용된 위치검출용 자석의 사시도,1 is a perspective view of a position detecting magnet applied to a conventional inner rotor,

제2도는 종래의 외측회전자에 적용된 위치검출용 자석의 사시도,2 is a perspective view of a position detecting magnet applied to a conventional outer rotor,

제3도는 종래의 내측회전자의 사시도,3 is a perspective view of a conventional inner rotor,

제4도는 종래의 외측회전자의 사시도,4 is a perspective view of a conventional outer rotor,

제5도는 본 발명의 내측 회전자에 위치검출용 자석의 사시도,5 is a perspective view of a magnet for position detection in the inner rotor of the present invention,

제6도는 본 발명의 외측 회전자에 적용된 위치검출용 자석의 사시도,6 is a perspective view of a magnet for position detection applied to the outer rotor of the present invention,

제7도는 본 발명의 내측 회전자의 사시도.7 is a perspective view of the inner rotor of the present invention.

Claims (5)

회전자 위치검출용 자석을 회전자의 계자 자석의 극수와 동일한 n개의 자극으로 구성하여 각각의 극당 분할된 자극의 각도(θ1)를 전기자에서 발생되는 역기전압(E)의 크기와 연계하여 일정각도(θ2)로 축소하고, θ1과 θ2의 차에 해당되는 각도를 무자극 구간으로 구성하는 것을 특징으로 하는 무정류자 모터의 회전자 위치 검출용 자석.The rotor position detecting magnet is composed of n magnetic poles equal to the number of poles of the magnetic field magnet of the rotor, and the angle (θ1) of the divided magnetic poles for each pole is linked to the magnitude of the counter electromotive voltage (E) generated in the armature. A magnet for detecting the rotor position of a non-commutator motor, characterized in that the angle is reduced to θ2 and the angle corresponding to the difference between θ1 and θ2 is configured as an unstimulated section. 제1항에 있어서, 내측 회전자 위치검출용 자석은, 자극(9-a)∼(9-d)의 사이에 (9-e)∼(9-h)의 무자극 구간을 두어 구성하여 경방향의 외측에 무자극 구간의 홈을 형성시켜 자극을 구성한 것을 특징으로 하는 무정류자 모터의 회전자 위치 검출용 자석.2. The magnet for detecting the inner rotor position according to claim 1, wherein the magnet for detecting the inner rotor position has a non-stimulation section of (9-e) to (9-h) between the magnetic poles 9-a to 9-d. A magnet for rotor position detection of a non-commutator motor, characterized in that a magnetic pole is formed by forming a groove in an unstimulated section outside the direction. 제1항에 있어서, 외측 회전자의 위치검출용 자석은, 자극(10-a)∼(10-d)의 사이에 (10-e)∼(10-h)의 무자극 구간을 두어 구성하여 경방향의 내측에 무자극 구간의 홈을 형성시켜 구성한 것을 것을 특징으로 하는 무정류자 모터의 회전자 위치 검출용 자석.The magnet for position detection of the outer rotor is provided with a non-stimulation section of (10-e) to (10-h) between the magnetic poles 10-a to 10-d. The magnet for rotor position detection of a non-commutator motor, characterized by forming a groove in a non-irritating section in the radially inner side. 제1내지 3항중 어느 한 항에 있어서, 상기 위치검출용 자석은 자로(Yoke)와 일체로 구성된 것을 특징으로 하는 무정류자 모터의 회전자 위치검출용 자석.The magnet for position detection of a rotor according to any one of claims 1 to 3, wherein the position detection magnet is integrally formed with a yoke. 제1항에 있어서, 위치검출용 자석의 중심축을 기준으로 상하방향에 자극을 구성하는 것을 특징으로 하는 무정류자 모터의 회전자 위치 검출용 자석.2. The rotor position detection magnet of claim 1, wherein a magnetic pole is configured in an up and down direction with respect to the central axis of the position detection magnet. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950037310A 1995-10-26 1995-10-26 Rotor position detecting magnet of brushless motor KR100196430B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019950037310A KR100196430B1 (en) 1995-10-26 1995-10-26 Rotor position detecting magnet of brushless motor
JP8279038A JPH09140113A (en) 1995-10-26 1996-10-22 Magnet for detection of position of brushless motor rotor
DE19644260A DE19644260A1 (en) 1995-10-26 1996-10-24 Magnet for rotor position detection in brushless motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950037310A KR100196430B1 (en) 1995-10-26 1995-10-26 Rotor position detecting magnet of brushless motor

Publications (2)

Publication Number Publication Date
KR970024462A true KR970024462A (en) 1997-05-30
KR100196430B1 KR100196430B1 (en) 1999-06-15

Family

ID=19431401

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950037310A KR100196430B1 (en) 1995-10-26 1995-10-26 Rotor position detecting magnet of brushless motor

Country Status (3)

Country Link
JP (1) JPH09140113A (en)
KR (1) KR100196430B1 (en)
DE (1) DE19644260A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023113263A1 (en) * 2021-12-15 2023-06-22 엘지이노텍 주식회사 Motor

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2806223B1 (en) * 2000-03-10 2003-10-03 Valeo Equip Electr Moteur POLYPHASE ROTATING ELECTRIC MACHINE
DE102009013374B4 (en) * 2009-03-07 2019-08-14 Ziehl-Abegg Se Rotor for electric motors, permanent magnet for such a rotor and electric machine with a rotor
JP6016911B2 (en) 2012-06-19 2016-10-26 三菱電機株式会社 Electric motor rotor, electric motor, pump, and refrigeration cycle apparatus
CN103973002B (en) * 2014-04-15 2018-07-13 广东威灵电机制造有限公司 Rotor Assembly and motor
CN108886315B (en) * 2016-04-01 2021-09-24 三菱电机株式会社 Sensor magnet, rotor, motor, and air conditioner
KR102038084B1 (en) * 2018-06-20 2019-10-29 계명대학교 산학협력단 A rotor structure for detecting position of motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023113263A1 (en) * 2021-12-15 2023-06-22 엘지이노텍 주식회사 Motor

Also Published As

Publication number Publication date
KR100196430B1 (en) 1999-06-15
DE19644260A1 (en) 1997-05-07
JPH09140113A (en) 1997-05-27

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