Prefabricated compact intelligent box-type substation

The invention discloses a prefabricated compact intelligent box-type substation, which includes a prefabricated steel plate housing, a data acquisition and monitoring control system, and a temperature-sensing self-starting fire extinguishing device. The prefabricated steel plate housing is internally provided with a high-voltage cabinet, a transformer and a low-voltage distribution board in sequence in accordance with a line routing direction; the low-voltage distribution board adopts a fuse-type bar-type disconnector to be hooked on a plugging busbar and is connected with the transformer through a wiring busbar; the high-voltage cabinet adopts an environmental protection gas charging cabinet and is connected with the transformer through a high voltage cable; the temperature-sensing self-starting fire extinguishing device is arranged in the high-voltage cabinet and is in pipeline connection with the transformer and the low-voltage distribution board; and the prefabricated steel plate housing adopts a prefabri