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Acoustic material for loudspeaker

A sound-absorbing material and speaker technology, applied in the field of sound-absorbing materials, can solve problems such as the inability to meet the needs of micro-speaker speaker acoustic performance debugging and correction.

Inactive Publication Date: 2016-08-17
碗海鹰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, with the development of thinner and lighter wearable electronic products, traditional sound-absorbing materials can no longer meet the needs of the micro-speaker industry for debugging and correcting the acoustic performance of speakers. Therefore, people have begun to try or develop new sound-absorbing materials

Method used

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  • Acoustic material for loudspeaker
  • Acoustic material for loudspeaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The sound-absorbing material is a microporous Y zeolite material with a pore size of 0.74nm. After the test, F 0 Reduced by 28Hz, count △F 0 =28Hz.

Embodiment 2

[0022] The sound-absorbing material is a microporous 13X zeolite material with a pore size of 1nm. After the test, F 0 Reduced by 25Hz, count △F 0 =25Hz.

Embodiment 3

[0024] The sound-absorbing material is a mixture of microporous Y zeolite with a mass ratio of 50% and microporous 13X zeolite with a mass ratio of 50%. After the test, F 0 Reduced by 26Hz, count △F 0 =26Hz.

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Abstract

The invention discloses an acoustic material for a loudspeaker. The acoustic material is formed by mixing one or more of Silicalite-1 zeolite, ZSM-5 zeolite, MCM-41 zeolite, SBA-15 zeolite, other zeolite materials, ordered mesoporous carbon CMK-3 and other carbon materials. The zeolite materials and the carbon materials are preferably selected from mespores with the aperture of 2 nm to 8 nm. The acoustic material is used for the loudspeaker, so that the resonant space virtuality is increased, the low-medium frequency resonant frequency F0 in the loudspeaker can be more effectively reduced, and the acoustic performance of the loudspeaker can be improved better.

Description

technical field [0001] The invention belongs to the field of electroacoustic product materials, and relates to a sound-absorbing material used for loudspeakers. Background technique [0002] In recent years, with the development of thinner and lighter wearable electronic products, traditional sound-absorbing materials can no longer meet the needs of the micro-speaker industry for debugging and correcting the acoustic performance of speakers. Therefore, people have begun to try or develop new sound-absorbing materials. In recent years, it has been discovered that filling the rear acoustic cavity with porous materials and using the porous material to quickly absorb and desorb the gas in the rear acoustic cavity can make the resonance space virtual increase, thereby reducing the resonance frequency F of the module more effectively. 0 , can effectively improve the acoustic performance of the speaker. [0003] At present, the commonly used new sound-absorbing materials with bett...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R9/06H04R31/00
CPCH04R9/06H04R31/00
Inventor 不公告发明人
Owner 碗海鹰
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