A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Sound absorption structure and sound insulation board for building
The invention discloses a sound absorption structure and a sound insulation board for a building. The sound absorption structure comprises an upper cover plate, a lower cover plate and an inner ring wall, the upper cover plate and the lower cover plate are arranged in parallel in a spaced mode, and the inner ring wall is perpendicular to the upper cover plate and the lower cover plate and jointly encloses a first space. The first oscillator structure is located in the first space and comprises a first cylinder making contact with the upper cover plate, a second cylinder making contact with the lower cover plate, a sound absorption piece located between the first cylinder and the second cylinder and a first ring extending along the edge of the sound absorption piece, and one end, facing the first cylinder, of the sound absorption piece is provided with an end face; the thickness of the sound absorption piece is gradually decreased in an exponential mode from the outer periphery of the end face to the outside in the radial direction of the end face. According to the frequency characteristics of the noise at the target position, the corresponding module combination is selected, the sound absorption structures with different parameters are flexibly matched, and the noise reduction frequency bandwidth can be adjusted.
本发明公开了一种用于建筑物的吸声结构及隔声板。该吸声结构包括呈平行间隔设置上盖板与下盖板，及内环墙，与上盖板和下盖板相垂直设置，并共同围合形成一个第一空间；第一振子结构，位于第一空间内，包括与上盖板接触的第一圆柱体、与下盖板接触的第二圆柱体、位于第一圆柱体与第二圆柱体之间的吸声件，以及沿吸声件边缘延伸的第一环形，吸声件朝向第一圆柱体的一端具有一端面，该吸声件的厚度从端面的外周缘沿端面的径向方向向外以指数的形式递减。本发明根据目标位置噪声的频率特点，选择相应的模块组合，不同参数的吸声结构搭配灵活，可调整降噪频率带宽。
Sound absorption structure and sound insulation board for building
The invention discloses a sound absorption structure and a sound insulation board for a building. The sound absorption structure comprises an upper cover plate, a lower cover plate and an inner ring wall, the upper cover plate and the lower cover plate are arranged in parallel in a spaced mode, and the inner ring wall is perpendicular to the upper cover plate and the lower cover plate and jointly encloses a first space. The first oscillator structure is located in the first space and comprises a first cylinder making contact with the upper cover plate, a second cylinder making contact with the lower cover plate, a sound absorption piece located between the first cylinder and the second cylinder and a first ring extending along the edge of the sound absorption piece, and one end, facing the first cylinder, of the sound absorption piece is provided with an end face; the thickness of the sound absorption piece is gradually decreased in an exponential mode from the outer periphery of the end face to the outside in the radial direction of the end face. According to the frequency characteristics of the noise at the target position, the corresponding module combination is selected, the sound absorption structures with different parameters are flexibly matched, and the noise reduction frequency bandwidth can be adjusted.
本发明公开了一种用于建筑物的吸声结构及隔声板。该吸声结构包括呈平行间隔设置上盖板与下盖板，及内环墙，与上盖板和下盖板相垂直设置，并共同围合形成一个第一空间；第一振子结构，位于第一空间内，包括与上盖板接触的第一圆柱体、与下盖板接触的第二圆柱体、位于第一圆柱体与第二圆柱体之间的吸声件，以及沿吸声件边缘延伸的第一环形，吸声件朝向第一圆柱体的一端具有一端面，该吸声件的厚度从端面的外周缘沿端面的径向方向向外以指数的形式递减。本发明根据目标位置噪声的频率特点，选择相应的模块组合，不同参数的吸声结构搭配灵活，可调整降噪频率带宽。
Sound absorption structure and sound insulation board for building
一种用于建筑物的吸声结构及隔声板
HUANG SEN (author) / LI SIGUANG (author) / CHEN PENGHUI (author)
2023-12-08
Patent
Electronic Resource
Chinese
IPC:
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS
Sound insulation structure, sound insulation board and sound insulation system
| European Patent Office | 2024