Noise reduction device for insect sound collection

• Main Authors: WANG YING, CHENG YINGHUI, LIU JIAN, LU XIAOYU, GAO RUIFANG, YU DAOJIAN, XIANG CAIYU, HUANG HEQING, LOU DINGFENG
• Format: Patent
• Language: Chinese; English
• Published: 28.06.2024
• Subjects: ACOUSTICS; ACOUSTICS NOT OTHERWISE PROVIDED FOR; BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MEANS FOR DAMPING VIBRATION; MECHANICAL ENGINEERING; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; MUSICAL INSTRUMENTS; PHYSICS; SHOCK-ABSORBERS; SOUND-PRODUCING DEVICES; SPRINGS; THERMAL INSULATION IN GENERAL; WEAPONS

The invention discloses a noise reduction device for insect sound collection, and belongs to the technical field of sound detection.The noise reduction device comprises a box body, an opening is formed in the wall of one side of the box body, the opening is sealed through a box cover, and a sample plate is arranged in the box body; the body wall of the box body and the box cover comprise a shell material and a plurality of layers of sound insulation materials located on the inner side of the shell material; the sample plate comprises a sound guide plate and a damping layer which are arranged up and down. According to the noise reduction device for insect sound collection, the noise reduction device is small in size and convenient to move, multiple noise reduction modes are combined, and the good noise reduction effect is achieved. 本发明公开了一种用于虫声收集的降噪装置，属于声音检测技术领域，包括箱体，所述箱体的一侧体壁上设有开口，开口处用箱盖密封，所述箱体的内部设有样品板材；所述箱体的体壁及箱盖包括外壳材料以及位于外壳材料内侧的多层隔音材料；所述样品板材包括上下设置的导声板及减震层。本发明示例的用于虫声收集的降噪装置，该降噪装置体积小，方便移动，且将多种降噪方式相结合，具有较好的降噪效