Movable storage anechoic chamber

The utility model provides a movable storage anechoic chamber which is characterized in that universal wheels are arranged at the bottom of a main anechoic chamber and the bottom of an auxiliary anechoic chamber, the main anechoic chamber is connected with the auxiliary anechoic chamber, and all or...

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Bibliographische Detailangaben
Hauptverfasser:	CHEN YONG, DING YI, ZHU JIETAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CEILINGS FENCING FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS MASTS ROOFS SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:	The utility model provides a movable storage anechoic chamber which is characterized in that universal wheels are arranged at the bottom of a main anechoic chamber and the bottom of an auxiliary anechoic chamber, the main anechoic chamber is connected with the auxiliary anechoic chamber, and all or part of the auxiliary anechoic chamber is unfolded out of the main anechoic chamber or all or part of the auxiliary anechoic chamber is folded into the main anechoic chamber. And the test requirements of fans with different boundary dimensions can be met. Noise collection equipment can be arranged at the position, about one meter away from the fan shell, in the combined anechoic chamber, the air noise caused by the machine leg vibration intensity and the machine leg vibration acceleration of the fan is tested through the noise collection equipment, and if the air noise is smaller than the preset threshold value, it is indicated that the vibration noise test of the fan is qualified. And by additionally arranging the