High-low temperature fatigue life test device based on robot

The invention discloses a high-low temperature fatigue life test device based on a robot, which is applied to the field of fatigue tests and comprises a rapid temperature change test box and an air outlet ventilation pipeline, an air inlet ventilating duct and a test box. A protective cover is arranged on a rack, and each high-low temperature child-mother box and a robot are fixed to the rack; each high-low temperature child-mother box is provided with an observation window, and each high-low temperature child-mother box is provided with a robot corresponding to the high-low temperature child-mother box, so that the robot operates a switching device and an automobile air outlet in the high-low temperature child-mother box according to an internally set program, and a test result is sent out through communication between the robot and an upper computer; and the upper computer is connected with an alarm. When the device disclosed in the invention is applied, the action fatigue life testof a key switch, a knob s