JPS5775557A - Semiconductor motor - Google Patents

Semiconductor motor

Info

Publication number
JPS5775557A
JPS5775557A JP14889680A JP14889680A JPS5775557A JP S5775557 A JPS5775557 A JP S5775557A JP 14889680 A JP14889680 A JP 14889680A JP 14889680 A JP14889680 A JP 14889680A JP S5775557 A JPS5775557 A JP S5775557A
Authority
JP
Japan
Prior art keywords
field magnet
sinusoidal wave
hall elements
fixed
magnetic plate
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.)
Pending
Application number
JP14889680A
Other languages
Japanese (ja)
Inventor
Itsuki Ban
Hideo Okada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sekoh Giken KK
Secoh Giken Co Ltd
Original Assignee
Sekoh Giken KK
Secoh Giken Co Ltd
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 Sekoh Giken KK, Secoh Giken Co Ltd filed Critical Sekoh Giken KK
Priority to JP14889680A priority Critical patent/JPS5775557A/en
Publication of JPS5775557A publication Critical patent/JPS5775557A/en
Pending legal-status Critical Current

Links

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

Abstract

PURPOSE:To conduct a sinusoidal wave to an armature coil to prevent occurrence of electric noise by fixing a magnetic plate having a prescribed shape on the magnetizing surface facing to an armature coil of a field magnet to make the output of a magnetroelectric converter a sinusoidal wave. CONSTITUTION:A ring-shaped field magnet 6 magnetized with a plurality of alternate NS poles, e.g., four poles in the axial direction is fixed on a rotary shaft 1 rotatably supported on a bearings 3 of a housing 2. And simultaneously a ring-shaped yoke 4 is fixed on the upper surface of a field magnet, and Hall elements X-Y being magnetroelectric converters for detecting positions of, for example, three armature coils 19-20 and the field magnet 6 are provided on the lower part housing 9. And, a magnetic plate 8 having such a shape is fixed that an area covering the field magnet at a boundary part of polarity of the field magnet 6 becomes large, and the Hall elements X-Y lie just below said magnetic plate 8 at the polarity boundary part on the magnetized surface facing to the armature coils 19-20 of the field magnet 6 and the magnetic flux density distribution at the Hall elements X-Y parts is made to be a sinusoidal wave shape.
JP14889680A 1980-10-25 1980-10-25 Semiconductor motor Pending JPS5775557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14889680A JPS5775557A (en) 1980-10-25 1980-10-25 Semiconductor motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14889680A JPS5775557A (en) 1980-10-25 1980-10-25 Semiconductor motor

Publications (1)

Publication Number Publication Date
JPS5775557A true JPS5775557A (en) 1982-05-12

Family

ID=15463105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14889680A Pending JPS5775557A (en) 1980-10-25 1980-10-25 Semiconductor motor

Country Status (1)

Country Link
JP (1) JPS5775557A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS611250A (en) * 1984-06-13 1986-01-07 Fuji Photo Film Co Ltd Brushless motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS611250A (en) * 1984-06-13 1986-01-07 Fuji Photo Film Co Ltd Brushless motor

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