Heat storage device under environment of 10 kV to 110 kV

The utility model discloses a heat storage device under a 10kV-110kV environment, which comprises an electric heating and heat storage device thermal insulation layer and a heat exchanger connected to the rear side of the electric heating and heat storage device thermal insulation layer, and a heat storage mechanism is arranged in an inner cavity of the electric heating and heat storage device thermal insulation layer; the heat storage mechanism comprises a frame-shaped solid heat storage material arranged in an inner cavity of a heat preservation layer of the electric heating and heat storage device and a plurality of phase change heat storage materials inserted into the inner side of the solid heat storage material at intervals, and a plurality of ventilation holes are evenly formed in the phase change heat storage materials and the solid heat storage material. Electric heating wires are inserted among the ventilation holes located in the solid heat storage material in the same row, and a plurality of high-