▎ 摘　　要

NOVELTY - The utility model claims a cabin insulating plate of engine, comprising an engine cabin insulating plate main body, the inner part of the cabin insulating plate main body of the engine is provided with a supporting plate body, the upper surface and the lower surface of the supporting plate body are provided with a connecting groove, the supporting plate body is provided with a porous graphene layer, the upper part of the porous graphene layer is provided with an upper aluminium foil plate, the lower part of the supporting plate body is provided with a porous asbestos plate layer, the lower part of the porous asbestos plate layer is provided with a lower aluminium foil plate, the centre of the engine room heat insulating plate is provided with a fixed connecting hole, the periphery of the engine room heat insulating plate is provided with a pressing edge, the pressing edge is integrated with the engine room heat insulating plate, the inner part of the pressing edge is uniformly provided with a connecting hole, the engine room insulating plate of the engine has simple structure, the integrated design, the double-layer heat insulating aluminium foil plate and the porous layer graphene good heat insulation, the radiating effect.