Vehicle door sound insulation detection structure and vehicle door sound insulation contribution detection method

• Main Authors: HUAI ZILI, KAN PEIPEI, WANG YIFAN, JIA CHAO, YUAN XIAOJU, WANG DONGBIN, FANG ZHI
• Format: Patent
• Language: Chinese; English
• Published: 03.08.2021
• Subjects: MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

The invention provides a vehicle door sound insulation detection structure and a vehicle door sound insulation contribution detection method. The vehicle door sound insulation detection structure comprises a box body, a separator is arranged in the box body, and the separator divides the box body into a reverberation chamber compartment and a full anechoic chamber compartment; the separator comprises sound insulation walls arranged on the two opposite sides of the box body, a sound insulation tool connected with the sound insulation walls and a vehicle door assembly installed on the sound insulation tool; and a sound source is arranged in the reverberation chamber compartment; and a sound receiving device is arranged in the full anechoic chamber compartment and used for receiving sound wave signals penetrating through the vehicle door assembly from the sound source. According to the vehicle door sound insulation detection structure, the sound insulation effects of different parts of the vehicle door assembly