Collection control circuit board for space station online cabinet

The invention relates to an acquisition control circuit board for a space station online cabinet. The acquisition control circuit board comprises an analog-to-digital conversion chip; the analog-to-digital conversion chip is used for collecting target analog quantity signals of at least one port, performing analog-to-digital conversion on each target analog quantity signal, and obtaining and sending all target digital quantity signals to the processor; and the analog-to-digital conversion chip is also used for outputting a corresponding IO signal to each target component through the GPIO interface so as to control the connection or disconnection of the power supply circuit of each target component. According to the acquisition control circuit board provided by the invention, acquisition control on various analog quantities is realized, and power-on and power-off control on various components can be realized; the acquisition control circuit board can be applied to various scenes needing high-precision acquisit