| 摘要 |
A motor includes a rotating shaft, a rotor that surrounds the rotating shaft, rotates along with the rotating shaft, and includes a drive magnet, and a sensing unit that surrounds the rotating shaft, is disposed over the rotor, and detects rotation of the rotor, wherein the sensing unit includes a sensing plate that includes a plurality of holes that are formed along with an edge of the sensing plate, a sensing magnet that is mounted on the sensing plate and is disposed closer to the rotating shaft than the plurality of holes, a first sensor that is disposed over the sensing plate and detects a change in the sensing plate, and a second sensor that is disposed over the sensing magnet and detects a change in the sensing magnet. |
| 主权项 |
1. A motor comprising:
a rotating shaft; a rotor that surrounds the rotating shaft, rotates along with the rotating shaft, and comprises a drive magnet; and a sensing unit that surrounds the rotating shaft, is disposed over the rotor, and detects rotation of the rotor, wherein the sensing unit comprises:
a sensing plate that comprises a plurality of holes that are formed along with an edge of the sensing plate;a sensing magnet that is mounted on the sensing plate and is disposed closer to the rotating shaft than the plurality of holes;a first sensor that is disposed over the sensing plate and detects a change in the sensing plate; anda second sensor that is disposed over the sensing magnet and detects a change in the sensing magnet.
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