Mining A/D conversion device

The utility model discloses a mining A/D conversion device which comprises a shell, a PCB is arranged in the shell, pins of the PCB are connected with four-core plugs at the two ends of the shell through cables, and after modules in the shell are connected, the front portion of the shell and the rear portion of the shell are attached through gluing. The front part and the rear part of the housing are respectively provided with a U-shaped card socket, and the housing and the four-core copper head cable are fixed after a U-shaped card is inserted. A positioning pin hole is formed in the rear portion of the shell, after the four-core male head and the four-core copper head cable are connected in an inserted mode, a positioning pin is inserted into the positioning pin hole, and the copper head cable and the rear portion of the shell are fixed in the circumferential direction. The analog sensor and the digital electro-hydraulic controller are connected at the same time, so that high-speed, high-resolution and high