Full automatic self bolld return trans fusion machine

The utility model relates to the collection and processing of blood and is a fully automatic self blood collecting device; the main characteristic is that the central controller is a programmable controller; different types of the measurement sensors arranged in the machine are connected with the programmable controller through the interface; the man-machine interface is connected with the programmable controller; such implementing mechanisms as the centrifuge, pump, valve and others are connected with the programmable controller through the interface and the drive circuit. Because the utility model uses the programmable controller with the standardized function, the lining of the whole machine is simple and the number of the components and elements, the connecting and inserting pieces is greatly reduced; thus the utility model is conducive to the organized production, helpful to improve the anti-jamming performance and reliability of the machine; and the device is convenient to operate and maintain.