Electrical element assembly internal safety space detector and detection method

The invention provides an electrical element assembly internal safety space detector and a detection method, the detector comprises a detection table, a conveying device, a top camera, a micro camera, a processor and a controller, the detection table comprises a feeding area, a detection area and a discharging area which are arranged in sequence; the conveying device is arranged on the detection table so as to convey the electrical element assemblies among the areas; the top camera is arranged above the detection area and is used for acquiring two-dimensional graphic information of the component from the upper part of the top of the electrical component component; the micro camera is arranged above the detection area and is used for downwards probing a preset position in the electrical element assembly to obtain the internal structure graphic information of the assembly; the processor is connected with the top camera and the micro camera so as to synthesize a three-dimensional space graph of the internal stru