A braille display device based on electrovariable fluid
A display and braille technology, applied in the direction of output power conversion devices, instruments, electrical components, etc., can solve the problems of blind people who cannot read, inconvenient to carry, mini size, etc., to achieve convenient equipment maintenance and storage, convenient storage and carrying, and satisfy real-time effect
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[0041] In order to deepen the understanding of the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments, which are only used to explain the present invention and do not limit the protection scope of the present invention.
[0042]"Electrorheological fluid", also known as electrorheological fluid, is generally a suspension made of semiconductor solid particles mixed with insulating liquid. This material has rheological properties that can change with the electric field strength, that is, with the As the strength increases, the viscosity of the colloid in the liquid increases. When the electric field increases to a threshold value, the rheological properties of the colloid will change rapidly, usually within a few millimeters, and the liquid will solidify into an elastic solid. When the external electric field is removed, this process is reversible, that is, the elastic solid can return to...
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