High-voltage fuse for new energy automobile and use method thereof

The invention relates to the technical field of circuit protection devices, and discloses a high-voltage fuse for a new energy automobile and a use method thereof.The high-voltage fuse comprises a shell and a fusion tube shell, the fusion tube shell is movably connected with the shell, and a connecting assembly is arranged in a cavity of the fusion tube shell; the connecting assembly comprises a plurality of groups of porcelain columns for winding fuses and a plurality of groups of fixing caps for conducting, the fusion tube shell is located between the two fixing caps, the fixing caps are fixedly connected with the fusion tube shell, the porcelain columns are movably connected with the fusion tube shell, the porcelain columns are movably connected with the fixing caps, and the porcelain columns fix the wound fuses to be communicated with the fixing caps. Through elastic connection between the porcelain column and the elastic plate, the fuse wire can be tensioned and straightened, and the phenomena that the f