Checking method and checking device for motion mechanism electromagnet

The invention is suitable for the field of medical devices, and provides a checking device for a motion mechanism electromagnet. The checking device comprises the components of a signal sampling unit which is used for acquiring an analog current signal of each motion mechanism electromagnet, converting the analog current signal to an analog voltage signal and transmitting the converted analog voltage signal to an operational amplifier unit; the operational amplifier unit which is used for performing operational amplification on each analog voltage signal and transmitting the amplified signal to an analog-to-digital conversion unit; the analog-to-digital conversion unit which is used for performing analog-to-digital conversion on each amplified analog voltage signal, obtaining a digital voltage signal and transmitting the obtained digital voltage signal to a control unit; and the control unit which is used for analyzing each digital voltage signal, obtaining the operation state of each motion mechanism electro