Title:
BLDC MOTOR DEVICE INCLUDING PLURALITY OF SENSORS
Document Type and Number:
WIPO Patent Application WO/2019/143032
Kind Code:
A1
Abstract:
Various embodiments of the present invention relate to a BLDC motor device including a plurality of sensors. The BLDC motor device may comprise: a rotor in which at least one pair of magnets is embedded and which has at least one convex portion and at least one concave portion formed at the end thereof; a stator in which at least one magnetic sensor and an optical sensor are disposed and which generates an electromagnetic force for rotating the rotor; and a processor electrically connected to the rotor and the stator, wherein the BLDC motor device is configured to identify the exact position of the rotor by using the at least one magnetic sensor to sense the positions of the magnets and using the optical sensor to sense the positions of the at least one convex portion and the at least one concave portion. Various other embodiments are possible.
Inventors:
SHIM JAEKYU (KR)
CHOI HEESEUNG (KR)
CHOI HEESEUNG (KR)
Application Number:
PCT/KR2018/016048
Publication Date:
July 25, 2019
Filing Date:
December 17, 2018
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
H02K29/08; H02K1/12; H02K1/27; H02K5/04; H02K7/00; H02K7/08; H02K11/33; H02K29/10
Foreign References:
| JPH11178385A | 1999-07-02 | |||
| JPS61195777U | 1986-12-06 | |||
| JP2004227696A | 2004-08-12 | |||
| CN101997378A | 2011-03-30 | |||
| KR20140036880A | 2014-03-26 |
Attorney, Agent or Firm:
YOON & LEE INTERNATIONAL PATENT & LAW FIRM (KR)
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