The utility model relates to a centrifuge data acquisition system, the data of gathering come from and test a sensor that links to each other, collection system includes: set up and take care of quick-witted case, harvester case, instrument capsule switch, instrument capsule uninterrupted power source in centrifuge rotation center instrument capsule, set up signal sliding ring, electric power sliding ring in the centrifuge main shaft, set up computer lab switch, host computer, computer lab uninterrupted power source in the computer lab, the original analog signal of sensor gets into and nurses one's health quick -witted case, gets into the harvester case in order to incite somebody to action after nursing one's health original analog signal transition is data signal, data signal gets intothe instrument capsule switch, and back passing signal sliding ring transmits to the computer lab switch last the transmission to the host computer, realization data acquisition after, the utility model discloses a reliable, small in quantity, the data acquisition interference killing feature of signal sliding ring of collection system power supply.