Sound insulation building board for building

The utility model discloses a sound insulation building board for building, which comprises a base board, a sound absorption layer and a reflection sound insulation layer which are sequentially connected from bottom to top, the sound absorption layer is provided with a frame board and sound absorpti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIANG YONGCHAO, WEI XUANJING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING CEILINGS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS ROOFS TRANSPORTING WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	The utility model discloses a sound insulation building board for building, which comprises a base board, a sound absorption layer and a reflection sound insulation layer which are sequentially connected from bottom to top, the sound absorption layer is provided with a frame board and sound absorption cotton, the frame board is internally provided with a plurality of waist-shaped cavities, the cavities are arranged at intervals, and each cavity is filled with the sound absorption cotton; side openings are formed in the two sides of the frame plate, and foam plates are embedded in the inner sides of the side openings; the reflection sound insulation layer is provided with a sound insulation shell, a reflection shell, array type reflection structures and a reflection plate, a cavity is formed in the inner side of the sound insulation shell, the reflection shell and the array type reflection structures are both installed in the cavity, and the array type reflection structures are distributed on the two sides of