Special mains for low dose X-ray fluoroscopy

The utility model discloses a special mains for a low dose X-ray fluoroscopy, composed of a main part and an assistant part, wherein, the assistant part is a high voltage power supply formed by the successive connection of a positive and a negative high voltage power supplies in series, and the middle is connected with the ground. Additionally, the utility model is also provided with a frequency and pulse controller to carry out the DC pulse duplex conversion, and the energy emitted by the X-rays can be regulated through the change of the frequencies and the pulse width. The special mains for a low dose X-ray fluoroscopy of the utility model can improve the load performance of the high voltage power supply, one of the high voltage power supply load can be lowered by 50%, and the utility model can increase the radiation dose and ensure that the image intensifier wavelength is optimized.