The controller make up of TMS320F2812 DSP chip, detecting circuits include sampling circuit, modulate circuit and phase locked loop and other periphery control and drive circuit.
The sealing and drive mechanism performance of the sampling device are examined in accordance with the transient pressure zero balance method and in combination with the field practice.
按照等速采样的瞬时压力零点平衡法，结合现场应用实践，检验了采样装置的密封和传动机构性能。
3
Entire drive device is set up on frame of sampling machine.