A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Sound insulation structure and sound insulation glass
The invention relates to the technical field of noise reduction, in particular to a sound insulation structure and sound insulation glass, comprising: a main body having a first surface which is recessed inwards to form a cavity; and the rebounding piece is arranged in the cavity and can reflect the sound waves entering the cavity from the first surface. The device has the beneficial effects that when low-frequency sound waves are transmitted and incident to the main body, the sound wave frequency is matched with the cavity frequency to cause air resonance in the cavity, air rushes into the cavity from the outside of the cavity, viscous loss can be generated between holes and the air, and sound wave energy is converted into heat energy to be weakened; the rebound piece in the cavity starts to vibrate due to the resonance effect, the acting force of the sound waves on the main body and the counter-acting force generated by vibration of the rebound piece offset each other, the vibration of the main body is weakened, and therefore the noise reduction effect on low and medium frequency noise is achieved.
本发明涉及降噪技术领域，特别是一种隔声结构及隔声玻璃，包括，主体，其具有第一面，第一面上内凹形成腔室；以及，反弹件，其设置于腔室的内部，并能够反射从第一面进入腔室的声波。本发明的有益效果为本发明当中低频声波传播入射到主体时，声波频率与腔室频率匹配会引起腔室内空气共振，空气会从腔室外涌向腔室内，孔洞处会与空气产生粘滞损耗，声波能量被转化成为热能而减弱；腔室内的反弹件会因为共振作用开始振动，声波对主体的作用力与反弹件振动所产生的反作用力相互抵消，主体的振动减弱，从而达到对中低频噪声的降噪效果。
Sound insulation structure and sound insulation glass
The invention relates to the technical field of noise reduction, in particular to a sound insulation structure and sound insulation glass, comprising: a main body having a first surface which is recessed inwards to form a cavity; and the rebounding piece is arranged in the cavity and can reflect the sound waves entering the cavity from the first surface. The device has the beneficial effects that when low-frequency sound waves are transmitted and incident to the main body, the sound wave frequency is matched with the cavity frequency to cause air resonance in the cavity, air rushes into the cavity from the outside of the cavity, viscous loss can be generated between holes and the air, and sound wave energy is converted into heat energy to be weakened; the rebound piece in the cavity starts to vibrate due to the resonance effect, the acting force of the sound waves on the main body and the counter-acting force generated by vibration of the rebound piece offset each other, the vibration of the main body is weakened, and therefore the noise reduction effect on low and medium frequency noise is achieved.
本发明涉及降噪技术领域，特别是一种隔声结构及隔声玻璃，包括，主体，其具有第一面，第一面上内凹形成腔室；以及，反弹件，其设置于腔室的内部，并能够反射从第一面进入腔室的声波。本发明的有益效果为本发明当中低频声波传播入射到主体时，声波频率与腔室频率匹配会引起腔室内空气共振，空气会从腔室外涌向腔室内，孔洞处会与空气产生粘滞损耗，声波能量被转化成为热能而减弱；腔室内的反弹件会因为共振作用开始振动，声波对主体的作用力与反弹件振动所产生的反作用力相互抵消，主体的振动减弱，从而达到对中低频噪声的降噪效果。
Sound insulation structure and sound insulation glass
一种隔声结构及隔声玻璃
SUN LIANGMING (author) / CHEN ZIHAO (author) / XIA CAN (author)
2025-01-17
Patent
Electronic Resource
Chinese
IPC:
G10K
Tonerzeugungsvorrichtungen
,
SOUND-PRODUCING DEVICES
/
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
Sound insulation structure, sound insulation board and sound insulation system
| European Patent Office | 2024
High-efficiency sound insulation layer combined sound insulation glass
| European Patent Office | 2024