Capacitive touch type key device

• Main Authors: WANG LEI, ZHANG HUAHONG, HUA CHENGLONG
• Format: Patent
• Language: Chinese; English
• Published: 07.07.2020
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; PULSE TECHNIQUE

The invention discloses a capacitive touch type key device, which relates to an engineering machinery key device. The engineering machinery key device comprises a shell body, wherein the shell body comprises a front shell, a rear cover, a touch screen, a panel and a circuit board; a groove is formed in the top part of the front shell, and a mounting hole is formed in the groove; a plurality of through holes are formed in two sides of the mounting hole; a knob hole is further formed in the groove; the rear cover covers the front shell; the touch screen is arranged in the groove; the panel is arranged on the side, close to the mounting hole, of the shell in an attached mode; the circuit board is arranged in the shell and electrically connected with the panel; the circuit board is provided with a plurality of springs, the springs are sequentially arranged on the two sides of the circuit board, and the springs penetrate through the through holes and abut against the panel; and the knob penetrates through the knob