The invention relates to a
dot matrix type
braille dot display touch control screen and aims to provide a low-cost and practical integrated
braille input / output solution for people with visual disorder. The
dot matrix type
braille dot display touch control screen comprises 4*16 dot display touch control units, 4*2 fixed braille touch control units, a bottom drive sensing module and a core
processing module, wherein each dot display touch
control unit comprises six contacts arranged in three rows and two lines, and the whole unit comprises a
surface film, a surface material layer, a touch circuit layer, six beads, a slide rod, a guide rail of the slide rod, a motor, a connecting rod and a gear from top to bottom, the six beads are respectively located into six through holes, and the slide rod is provided with a specially-designed circular groove; the four fixed braille touch control units are arranged in a line on the left of the touch control screen, and each fixed braille touch
control unit comprises two squares of fixed braille salient dots and comprises a
surface film, the fixed braille salient dots, a surface material layer, a touch circuit layer and a bottom mechanical part from top to bottom; a lateral bar and multiple rows of guide bars are arranged on the top surface of the touch control screen.