Sound absorber with resonator

The invention discloses a resistance combined-type sound absorber with a resonator, wherein the empty resonator is matched with sound absorbing materials, effectively compensates the lower sound absorption coefficient of the resistive sound absorbing structure under low frequency and has higher soun...

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Bibliographic Details
Main Authors GENG XIAOYIN, OU YAN, XIAO ANQUAN, LIU LIANGJUN
Format Patent
LanguageChinese
English
Published 16.09.2009
Subjects
ACOUSTICS
ACOUSTICS NOT OTHERWISE PROVIDED FOR
BASIC ELECTRIC ELEMENTS
ELECTRICITY
INDUCTANCES
MAGNETS
METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL
MUSICAL INSTRUMENTS
PHYSICS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
SOUND-PRODUCING DEVICES
TRANSFORMERS
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Summary:The invention discloses a resistance combined-type sound absorber with a resonator, wherein the empty resonator is matched with sound absorbing materials, effectively compensates the lower sound absorption coefficient of the resistive sound absorbing structure under low frequency and has higher sound absorption coefficient in the whole frequency band range. Mounting nodes and the sound absorber are processed into a whole in the manufacturing process so as to facilitate the quick mounting of the sound absorber. The sound absorber can be directly connected with mounting bolts on the site, thereby facilitating construction and shortening the construction period.
Bibliography:Application Number: CN2008193889