External Wall Panel Unit for Saving Energy and External Wall Structure System Using the Same

摘要

In regards to the invention titled “External Wall Panel Unit for Saving Energy and External Wall Structure System Using the Same,” there are an external wall panel unit and an external wall structure system for saving energy. The external wall panel unit is attached to an external wall structure (1) of a building to form an external wall of the building, and includes: an external frame (10); a frame rainwater tube (20); a frame duct (30); and a window (40). The external wall structure system using the external wall panel units is installed in such a way that a plurality of the external wall panel units are arranged and mounted vertically and horizontally.