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Sound absorption and noise reduction compound device for air purifier

An air purifier and composite device technology, applied in the field of air purification, can solve the problem of lack of ultra-quiet

Active Publication Date: 2019-03-26
XINKE ENVIRONMENTAL PROTECTION SCI & TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a sound-absorbing and noise-reducing composite device for an air purifier, which is used to solve the problem in the prior art that can achieve ultra-quiet on the basis of maintaining a large air volume to purify the air. problem with the device

Method used

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  • Sound absorption and noise reduction compound device for air purifier
  • Sound absorption and noise reduction compound device for air purifier
  • Sound absorption and noise reduction compound device for air purifier

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Embodiment 1

[0158] The fan is started, and the air enters the filter part through the first microhole and the first horn hole on the first air inlet plate. Since the first horn hole tapers along the air flow direction to form a horn mouth shape and is relatively large in size, it can effectively consume energy and absorb sound when a large amount of air enters the air purifier. In the filtering part, the air is filtered and purified sequentially through the activated carbon filter on the first filter layer and the IFD filter on the second filter layer. Simultaneously absorb the noise generated by the air flow through the first sound-absorbing shell, that is, absorb the medium and low frequency noise generated by the air flow through the polyurethane sound-absorbing cotton on the first sound-absorbing layer, and absorb the air flow generated by the open-cell foam aluminum on the second sound-absorbing layer The high-frequency noise on the first sound insulation layer rebounds the unabsorbe...

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Abstract

The invention provides a sound absorption and noise reduction compound device for an air purifier. A filter part and an impedance compound muffling part are sequentially arranged in the air flow direction. A first sound absorption shell is arranged on the side wall of the filter part. A first air inlet plate is arranged at the air inlet end of the filter part. A first filter layer, a fan and a second filter layer are sequentially arranged in the filter part in the air flow direction. A second air inlet plate is arranged between the filter part and the impedance compound muffling part. A secondsound absorption shell is arranged on the side wall of the impedance compound muffling part. A bell mouth is formed in the air outlet end of the impedance compound muffling part. A reactive muffler and a dissipative muffler are sequentially arranged in the impedance compound muffling part in the air flow direction. The invention further provides a method for air purification, sound absorption andnoise reduction. The sound absorption and noise reduction compound device for the air purifier can effectively combine the advantages of three muffling structures and realize ultra-quiet experience while maintaining large air volume air purification.

Description

technical field [0001] The invention belongs to the technical field of air purification, and relates to a sound-absorbing and noise-reducing composite device for an air purifier. Background technique [0002] Air purifiers refer to products that can absorb, decompose or transform various air pollutants and effectively improve air cleanliness. It is used in home, medical, industrial and other fields. The home field is divided into two types: systematic fresh air system and desktop stand-alone. It mainly solves the problem of indoor air pollution caused by decoration or other reasons. [0003] Most of the current air purifiers do not have a sound-absorbing and noise-reducing structure. The air inlet and outlet are open, and the filter device and fan are arranged in the box. Driven by the fan, the air enters from the air inlet, is filtered through various filter screens, and exits from the air outlet. When the air purifier is adjusted to a large air volume, the sound of air p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F3/16F24F13/24F24F13/28
CPCF24F13/24F24F13/28F24F2013/242F24F2013/245F24F8/10F24F8/108
Inventor 范同祥张静静王坤
Owner XINKE ENVIRONMENTAL PROTECTION SCI & TECH SHANGHAI
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