Full-automatic intelligent nursing bed and closed-loop control system

The invention relates to a full-automatic intelligent nursing bed. The full-automatic intelligent nursing bed comprises a bed frame, a bed head, a bed surface, a bed tail and guardrails and further comprises a urine and excrement system device, a centering mechanism, a system monitoring device, a network transmission system device and a control system device, wherein the system monitoring device comprises a sensor group, a data processor and a displayer; the network transmission system device is connected with the system monitoring device; the control system device is connected with the network transmission system device. A moving mechanism is arranged on the bed frame and comprises multiple electric screw mechanisms and/or hydraulic cylinders, air cylinders, servo motors, hydraulic control devices and/or pneumatic control devices and executing assemblies. With the adoption of the full-automatic intelligent nursing bed and a closed-loop control system, problems that nursing bed operation units in the prior ar