The utility model belongs to the technical field of HVAC silencer. Specifically, it relates to a composite silencer with S-shaped channel, which comprises a muffler shell. The two ends of the muffler shell are respectively provided with an air inlet and an air outlet, and a waveform silencer is arranged inside the muffler shell. The waveform silencer includes a plurality of S-shaped channels, and the S-shaped channel is two adjacent S-shaped diversion channels. In the gap between the plates, the S-shaped micro-perforated plates are arranged on both sides of the S-shaped guide plates, and the silencing cotton is filled between the S-shaped guide plates and the S-shaped micro-perforated plates. The technical scheme of the utility model reduces the airflow resistance by using the S-shaped channel design in the muffler shell, and uses the V-shaped diversion part and the collecting part to facilitate the smooth entry and exit of the airflow and improve the airflow stability. Compared with single microperforated muffler, resistive muffler and impedance composite muffler, the compound muffler of the utility model enlarges the muffling contact area, increases the contact times and greatly improves the muffling effect.
【技术实现步骤摘要】
一种带有S形通道的复合式消声器
本技术属于暖通空调消声装置
,具体而言,涉及一种带有S形通道的复合式消声器。
技术介绍
由于设备运行振动及气流通过风道时内外压力、流速不平衡等原因,引起风管产生巨大噪音,对人们的生产生活产生影响,常用微穿孔消声器、阻性消声器、或阻抗复合式消声器解决噪音问题。微穿孔消声器消声频带宽,但消声效果不佳;阻性消声器对中高频消声效果好,但存在高频失效性;阻抗复合式消声器综合阻性、抗性特点,消声频带宽但排列复杂的消声通道增大气流阻力,影响气流稳定性。同时由于消声器普遍体积过大,在实际施工中存在一定的安装局限性。
技术实现思路
本技术的主要目的在于提供一种带有S形通道的复合式消声器,以解决现有微穿孔消声器消声效果不佳;阻性消声器存在高频失效性;阻抗复合式消声器排列复杂的消声通道气流阻力大,影响气流稳定性等问题。为了实现上述目的,本技术提供了一种带有S形通道的复合式消声器,包括消声器壳体,消声器壳体的两端分别设置有进风口和出风口,在消声器壳体内部设置有波形消声装置,波形消声装置包括多个S形通道,S形通道为相邻的两个S形导流板之间的间隙,S形导流板的两侧设置有S形微穿孔板,S形导流板和S形微穿孔板之间填充有消音棉;消声器壳体的内侧壁上附着有微穿孔板,消声器壳体和微穿孔板之间填充有消音棉。进一步地,消声器壳体上还设置有分流部和集流部,进风口设置在分流部上,出风口设置在集流部上。进一步地,S形微穿孔板与S形导流板平行。进一步地,相邻S形导流板关于中线对称,故使得S形通道内窄部和宽部间隔出现。进一步地,消声器壳体的横截面为四边形,波形消声装置的多个S ...
【技术保护点】
1.一种带有S形通道的复合式消声器,包括消声器壳体,消声器壳体的两端分别设置有进风口和出风口,其特征在于:在消声器壳体内部设置有波形消声装置,波形消声装置包括多个S形通道,S形通道为相邻的两个S形导流板之间的间隙,S形导流板的两侧设置有S形微穿孔板,S形导流板和S形微穿孔板之间填充有消音棉;消声器壳体的内侧壁上附着有微穿孔板,消声器壳体和微穿孔板之间填充有消音棉。
【技术特征摘要】
1.一种带有S形通道的复合式消声器,包括消声器壳体,消声器壳体的两端分别设置有进风口和出风口,其特征在于:在消声器壳体内部设置有波形消声装置,波形消声装置包括多个S形通道,S形通道为相邻的两个S形导流板之间的间隙,S形导流板的两侧设置有S形微穿孔板,S形导流板和S形微穿孔板之间填充有消音棉;消声器壳体的内侧壁上附着有微穿孔板,消声器壳体和微穿孔板之间填充有消音棉。2.根据权利要求1所述的带有S形通道的复合式消声器,其特征在于:所述消声器壳体上还设置有分流部和集流部,进风口设置在分流部上,出风口设置在集流部上。3.根据权利要求2所述的带有S形通道的复合式消声器,其特征在于:所述S...
【专利技术属性】
技术研发人员:贺琳,
申请(专利权)人:河南环发工程有限公司,
类型:新型
国别省市:河南,41
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