Noise test and index analysis of metro vehicle and equipment

DING Jie

doi:10.13890/j.issn.1000-128X.2022.02.008

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Noise test and index analysis of metro vehicle and equipment

Vehicle Safety and Comfort | 更新时间：2024-08-02

- Noise test and index analysis of metro vehicle and equipment
- Electric drive for locomotives Issue 2, Pages: 48-54(2022)
- 作者机构：
  
  1.湖南文理学院机械工程学院，湖南常德　415000
  2.湖南文理学院国际学院，湖南常德;415000
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2022.02.008
  CLC： U231;U270.1⁺6
- Published：10 March 2022，
  
  Received：15 April 2021，
  
  Revised：10 February 2022，
- 稿件说明：
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DING Jie. Noise test and index analysis of metro vehicle and equipment. [J]. Electric drive for locomotives (2):48-54(2022)
DOI：

DING Jie. Noise test and index analysis of metro vehicle and equipment. [J]. Electric drive for locomotives (2):48-54(2022) DOI： 10.13890/j.issn.1000-128X.2022.02.008.

摘要

针对某地铁车辆和设备噪声指标不合理的问题，以国内某地铁线路为测试对象，在停车、25 km/h通过、慢速通过和回库过弯道有刹车等工况下进行噪声测试和开展车辆内外部噪声特性分析，并重点对牵引逆变器的噪声开展测试与指标分析。研究结果表明，在车辆静止和运行工况下，牵引逆变器噪声对车辆外部总的噪声能量贡献较小，对车辆内部噪声的贡献明显小于电机、齿轮箱和制动电阻风机等其他噪声源。基于此，建议牵引逆变器等设备的声功率级要求不超过86 dB(A)。同时，对整车和设备的噪声测试结果及分析，可为噪声指标的确定提供理论指导。

Abstract

Aiming at the unreasonable noise index proposed by a certain project for metro vehicles and equipment

taking a domestic subway line as the test object

noise test under the condition of parking

25 km/h passing

slow passing and brake at the bend of return depot and analysis of noise characteristics inside and outside of vehicles were carried out

as well as noise test and index analysis of traction inverter were carried out mainly. The results show that under the condition of vehicle parking and running

the contribution of traction inverter noise to the total noise energy outside the vehicle is less than that of motor

gearbox

brake resistance fan and other noise sources. The index of sound power level not exceeding 86 dB(A) proposed for traction inverter and other equipment is relatively reasonable and feasible. Based on the noise test results and analysis of the whole vehicle and equipment

it can provide theoretical guidance for the determination of noise index.

关键词

地铁车辆牵引逆变器噪声指标声功率级

Keywords

metro vehiclestraction inverternoiseindexsound power level

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