Novel inflatable indoor heat preservation system for north multi-span greenhouse

The utility model discloses a novel inflatable indoor heat preservation system for a north multi-span greenhouse, which is realized by adopting the following technical scheme: the novel inflatable indoor heat preservation system consists of a greenhouse framework, a plastic heat preservation inflation drum, an inflator pump, a curtain supporting rope, an inflation drum hanging piece and an internal greenhouse sunshade. The curtain supporting rope is arranged below the internal greenhouse sunshade, the inflation drum hanger piece is hung on the curtain supporting rope, the plastic heat preservation inflation drum is hung on the inflation drum hanger piece upside down, and the inflation drum hanger piece can slide back and forth on the curtain supporting rope. One end of the plastic heat preservation inflation drum is connected with the inflator pump and the other end of the plastic heat preservation inflation drum is connected with the internal greenhouse sunshade by the inflation drum hanger piece. The inflat