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Alternative TitleMicro electromagnetic actuator
李洪谊; 苏刚
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention discloses a micro electromagnetic actuator, and belongs to the technical field of electromagnetic actuation. The micro electromagnetic actuator comprises a magnetizer, a support, a coil and two magnetic rings the magnetizer is a cylinder of which two end faces have holes the two magnetic rings are arranged at two ends in the magnetizer in a mode that the same poles are opposite an air gap serving as a working area is formed between the two magnetic rings one end of the support extends out of the magnetizer, while the other end is arranged between the two magnetic rings the circumferential surface of the support arranged between the two magnetic rings is wound with the coil. The electromagnetic actuator adopts a hollow structure, so that the weight of the actuator is reduced. The support is formed by arranging a hub on a hollow column or arranging a wheel disc on a strut, so that the output of the actuator is in a linear path and a movement switching mechanism is avoided in practical application, so the structure is simplified, and the reliability and the efficiency are improved. Certain gaps are reserved between outer ring surfaces of the two magnetic rings and the magnetizer so as to reduce flux leakage, and increase the utilization rate of magnetic energy. The micro electromagnetic actuator has the advantages of small outer diameter, low required driving voltage, simple control and suitability for micro robots.
PCT Attributes
Application Date2009-06-26
Date Available2013-10-15
Application NumberCN200910012266.7
Open (Notice) NumberCN101931304A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
李洪谊,苏刚. 一种微型电磁驱动器[P]. 2010-12-29.
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