针对叶片泵噪音问题的仿真优化设计  

Simulation and Optimization Design of Noise for Vane Vacuum Pump

作　　者：张伟[1] 吴修彬[1] ZHANG Wei;WU Xiu-bin(Laiwu Vocational and Technical College,Jinan 271100,China)

机构地区：[1]莱芜职业技术学院,山东济南271100

出　　处：《液压气动与密封》2023年第12期77-81,共5页Hydraulics Pneumatics & Seals

摘　　要：首先利用Solidworks建模软件建立叶片泵的排气流道内部结构图,然后利用CFX和Virtual. Lab Acoustic软件从优化排气通道走向和采用消声结构两种方案对叶片泵进行降噪分析和结构优化设计,最后采用试验手段对仿真结果进行验证。结果表明:上述两种方法均可有效地降低叶片泵排气噪音,各有优劣,可根据叶片泵实际运用工况选择最优的降低噪音方式;采用消声结构方案的防返油间隙的直径为7 mm时,降低排气噪音的效果最佳。提供了降低叶片泵排气噪音的新思路,也对其他种类真空泵及类似结构产品的降噪提供了重要参考。In this paper,Solidworks modeling software is used to establish the internal structure diagram of the exhaust passage of the vane pump,and then CFX and Virtual.Lab Acoustic software are used to carry out noise reduction analysis and structural optimization design for vane pump from two schemes of optimizing exhaust channel direction and adopting noise elimination structure.Finally,the simulation results are verified by experiment.The results show that the above two methods can effectively reduce the exhaust noise of the vane pump,each has its advantages and disadvantages,and the optimal noise reduction method can be selected according to the actual operating conditions of the vane pump;The effect of reducing exhaust noise is the best when the diameter of the anti return oil gap of the silencing structure scheme is 7 mm.This paper provides a new idea to reduce the exhaust noise of vane pump,and also provides an important reference for noise reduction of other types of vacuum pumps and similar products.

关 键 词：叶片泵 降低噪音 Virtual.Lab Acoustic 声功率级频率响应特性 仿真优化设计 试验验证 

分 类 号：TH138[机械工程—机械制造及自动化]