Electrorheological damping electrode structure, electrorheological damper and electrorheological clutch
An electrode structure and electrorheological technology, applied in fluid clutches, clutches, shock absorbers, etc., can solve problems such as difficult electrorheological damping and effective adjustment, and achieve the effects of large damping adjustment range, improved adjustment ability, and high control ability
Active Publication Date: 2021-01-29
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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Problems solved by technology
[0005] In order to solve the technical problem that the electric field structure of the existing electrorheological damper is difficult to effectively adjust the electrorheological damping in the large shear rate range, the present invention provides a three-dimensional orthogonal electric field component, so as to achieve effective electrorheological damping Adjustable electrorheological damping electrode structure, and electrorheological damper and electrorheological clutch with the electrode structure
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[0048] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some embodiments of the present invention, not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as there is no conflict with each other.
[0049] It should be noted that the electrorheological (ER) fluid is a mixed liquid formed by dispersing micro-nano particles with high dielectric constant in an insulating solvent with low dielectric constant. The electrorheological fluid can instantaneously make the solid The particles are polarized and...
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The invention relates to the technical field of dampers, and specifically provides an electrorheological damping electrode structure, an electrorheological damper and an electrorheological clutch. The electrode structure includes at least one electrode pair, the electrode pair includes a first electrode and a second electrode with opposite polarities, the surfaces of the first electrode and the second electrode are oppositely arranged, and the first electrode and the The line connecting the centroids of the surfaces of the second electrodes has a first projection component in the flow direction of the electrorheological fluid, and has a second projection component and a third projection component perpendicular to each other on a plane perpendicular to the flow direction. Therefore, after the first electrode and the second electrode are energized, a three-dimensional electric field is generated. Compared with the one-dimensional and two-dimensional electric fields of the existing damper, the control effect on the electrorheological fluid is better, especially when the load is impacted at a high speed, the three-dimensional electric field of the electrorheological fluid The ability to control the motion state is higher, so as to achieve a larger damping adjustment range and improve the adjustment ability of the damper.
Description
technical field [0001] The invention relates to the technical field of dampers, in particular to an electrorheological damping electrode structure, an electrorheological damper and an electrorheological clutch. Background technique [0002] The electrorheological damping buffer refers to a damping buffer that uses the smart material electrorheological fluid as the damping medium, and changes the apparent viscosity and yield stress of the electrorheological fluid by applying a controlled electric field. Compared with traditional hydraulic damping buffers, electrorheological damping buffers are widely used in machinery, construction and other fields. [0003] Electrorheological damping buffers can generally be divided into two types: parallel plate electrode structure and concentric cylindrical electrode structure, but the electrorheological damping buffer with these two electrode structures can only provide a one-dimensional control electric field perpendicular to the flow d...
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IPC IPC(8): F16F9/53F16F9/32F16F9/54F16D35/00
CPCF16D35/005F16F9/3207F16F9/532F16F9/54
Inventor 徐鲁宁韩立
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI