A high-stability vehicle-mounted transformer

The invention relates to the technical field of transformers, in particular to a vehicle-mounted transformer with high stability. The high-stability vehicle-mounted transformer comprises a first bottom plate, a second bottom plate, an upper magnetic core, a lower magnetic core, a skeleton, an upper winding and a lower winding; The upper magnetic core is connected with the lower magnetic core through a skeleton; The lower magnetic core is installed on the first bottom plate; The skeleton comprises an upper wire groove, a lower wire groove and an air gap groove arranged between the upper wire groove and the lower wire groove. The air gap groove is provided with a plurality of isolation strips; The upper winding is wound around the upper wire slot; The lower winding is wound around the lowerwire slot; The first bottom plate and the second bottom plate are arranged in parallel; An anti-seismic component is arranged between the first bottom plate and the second bottom plate; The seismic assembly includes an elasti