A bistable permanent magnet steering gear and its actuation method based on buckling beam
A permanent magnet steering gear and bistable technology, applied in the direction of electromechanical devices, electric components, control mechanical energy, etc., can solve problems such as difficult control, large mass and volume, complex structure, etc., and achieve compact structure, low energy consumption, and improved transmission The effect of efficiency and reliability
Active Publication Date: 2019-06-14
XI AN JIAOTONG UNIV
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Problems solved by technology
[0002] The permanent magnet mechanism has few moving parts, simple structure, and high reliability, which meets people's requirements for gradually improving the performance of the steering gear: compact structure, small size, and light weight, while the traditional steering gear has complex structures, mass and volume. Large, difficult to control and many other disadvantages
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[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0022] Such as figure 1 , figure 2 As shown, a bistable permanent magnet steering gear based on buckling beams of the present invention includes: a first permanent magnet 1-1, a second permanent magnet 1-2, a central rotating shaft 3, a rotor 2 and coils wound thereon 7. Bistable mechanism 4, outer yoke 5, base 6 and bearings. The N and S poles of the first permanent magnet 1-1 and the second permanent magnet 1-2 are arranged oppositely, one end of the central rotating shaft 3 is connected to the rotor 2 and the bistable mechanism 4, and the other end is connected to a bearing, and the bearing is installed in the base 6; The upper part of the yoke 5 is provided with a groove, which is convenient for the installation of the first permanent magnet 1-1 and the second permanent magnet 1-2; the lower part of the outer yoke 5 is provided...
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Disclosed are a buckling beam-based dual-steady-state permanent magnet steering engine and an actuation method thereof. The dual-steady-state permanent magnet steering engine consists of two symmetrical permanent magnets, a central rotary shaft, a rotor and a coil wound thereon, a dual-steady-state mechanism, an external magnetic yoke, a base and a bearing; the N and S poles of the permanent magnets are arranged oppositely; one end of the central rotary shaft is connected with the rotor and the dual-steady-state buckling beam while the other end is connected with the bearing, and the bearing is mounted in the base; the electrified coil is stressed in a magnetic field and drives the rotor and the central rotary shaft to rotate, and then by virtue of the dual-steady-state characteristic of the buckling beam, dual-steady-state angle output is realized; and the dual-steady-state permanent magnet steering engine is simple in structure, capable of realizing bidirectional load driving only needing electrifying in deflection angle switching, and has the characteristic of low energy consumption.
Description
technical field [0001] The invention relates to a steering gear, in particular to a buckling beam-based bistable permanent magnet steering gear and an actuating method. Background technique [0002] The permanent magnet mechanism has few moving parts, simple structure, and high reliability, which meets people's requirements for gradually improving the performance of the steering gear: compact structure, small size, and light weight, while the traditional steering gear has complex structures, mass and volume. Large, difficult to control and many other shortcomings. In the existing permanent magnet mechanism technology, an electromagnetic coil is used to drive the armature to make a linear motion, and then the linear motion is converted into a rotary motion. Therefore, a permanent magnet steering gear with a simple structure, small size, and electromagnetic direct drive is required. Contents of the invention [0003] In order to solve the problems existing in the above-ment...
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IPC IPC(8): H02K7/00
CPCH02K7/00
Inventor 雷俊琪徐明龙邵恕宝肖瑞江
Owner XI AN JIAOTONG UNIV