Modular Halbach electromagnetic actuator
A technology for a Halbach-type, electromagnetic actuator
Pending Publication Date: 2019-11-29
中国船舶重工集团公司第七0四研究所
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[0005] The present invention is to provide a modularized Halbach type electromagnetic actuator, aiming at solving the following problems exposed by existing electromagnetic actuators:
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[0025] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0026] Such as Figure 1 to Figure 4 As shown, in the modularized Halbach electromagnetic actuator of this embodiment, pieces 1 to 15 are commonly used components, and piece 16 is a component used in series connection. Among them, the top plate 1, the side plate 7 and the bottom plate 13 are connected by bolts to form the shell of the actuator; the Halbach permanent magnet array 5 is bonded on the permanent magnet substrate 6, and the top plate 2 and the bottom plate are arranged at the upper and lower ends. 10 is reliably fixed; the two ends of the top pressure plate 2 and the bottom pressure plate 10 have a through hole for installing the linear bearing 3, the linear bearing 3 penetrates the guide post 4, the upper end of the guide post 4 is fixed to the top plate 1, and the lower end is fixed to the bottom plate 13, Restrict the freedom ...
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The invention relates to a modular Halbach electromagnetic actuator. A shell is formed by connecting a top plate, side plates and a bottom plate through fasteners. Guide columns are arranged in the shell, the upper and lower ends of the guide columns are fixedly connected with the top plate and the bottom plate respectively, and the upper and lower portions of the guide columns are connected witha top pressing plate and a bottom pressing plate through linear bearings respectively. A Halbach permanent magnet array bonded onto a permanent magnet substrate is connected between the top pressing plate and the bottom pressing plate, and the Halbach permanent magnet array can only move freely in the vertical direction. The bottom pressing plate is fixed to the bottom plate through a vibration isolator, and provides supporting rigidity for the Halbach permanent magnet array. A winding support frame is fixedly connected between the top plate and the bottom plate, winding coils are embedded into slot wedges of the winding support frame, and outgoing line terminals of the winding coils are arranged on the two sides of the bottom plate respectively. As an actuating element, the modular Halbach electromagnetic actuator can be widely applied to an active vibration control system. Because the actuator is light and modular, a user can be allowed to adopt different combination proportions to meet the output requirements of excitation forces of different magnitudes.
Description
technical field [0001] The invention relates to an actuator for vibration and noise control, in particular to a modularized electromagnetic actuator. Background technique [0002] As one of the most effective measures to suppress low-frequency line spectrum vibration, active control technology has been extensively studied in recent years. The actuator is the executive element of the entire active control system and one of the most important components in the system. Through relevant literature and patent inquiries, the commonly used actuators are pneumatic, hydraulic, electromagnetic and magnetostrictive. Electromagnetic actuators are adopted by more and more people because of their relatively compact structure, sensitive response, wide applicable frequency band, and good output linearity. [0003] However, traditional electromagnetic actuators as shown in CN206416898U, due to the use of electromagnets, are subject to output force requirements and iron core size limits, th...
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IPC IPC(8): H02K41/03
CPCH02K41/031
Inventor 张跃符栋梁李国平胡航马振来周璞
Owner 中国船舶重工集团公司第七0四研究所