发动机空气滤芯结构优化对进气性能提升的实验分析  

Experimental Analysis on Improvement of Intake Performance by Structural Optimization of Engine Air Filter Element

作　　者：余小青 Yu Xiao-qing(Shanghai Baocha Auto Parts Co.,Ltd.,Shanghai 201108,China)

机构地区：[1]上海葆茬汽摩配件有限公司,上海201108

出　　处：《内燃机与配件》2024年第22期34-36,共3页Internal Combustion Engine & Parts

摘　　要：本研究分析了一种新型汽车空气滤清器结构,通过集成宽频消声器与谐振腔设计,提升了进气效率并降低了噪声水平。实验表明,新型滤清器的进气流量提高了15%~20%,同时噪声水平降低了25 dB,尤其在中低频段降噪效果显著。研究还探讨了滤清器优化设计的持续改进方向,包括滤芯材料的进一步提升、消声结构的优化以及壳体轻量化设计。针对不同车型的实际应用,验证了新型滤清器在SUV、商用车等车型中的推广前景。本文为汽车空气滤清器结构的改进设计提供了数据支持与技术参考,有助于推动空气滤清技术的进一步发展。This study analyzes a new type of automotive air filter structure,which integrates a broadband muffler with a resonant cavity design,improving the intake efficiency and reducing noise levels.Experiments show that the new filter's air intake flow rate has increased by 15%-20%,while the noise level has been reduced by 25 dB,particularly with significant noise reduction in the medium and low frequency ranges.The study also explores directions for further optimization of the design of the filter,including further enhancement of the filter element material,optimization of the sound-absorbing structure,and lightweight design of the housing.For practical applications across various vehicle types,the new filter's promotion prospects in SUVs,commercial vehicles,and other models have been verified.This article provides data support and technical reference for the improvement design of automotive air filter structures,which helps to promote further development in air filtration technology.

关 键 词：空气滤清器 宽频消声器 谐振腔 进气效率 降噪技术 

分 类 号：TH137.85[机械工程—机械制造及自动化]