DB15_T 2620-2022 随车声压法 轮胎-路面噪声测试规程.docx

ICS?93.080.01 CCS?P?66 15 内 蒙 古 自 治 区 地 方 标 准 DB?15/T?2620—2022 随车声压法轮胎-路面噪声测试规程 Test?specification?for?tire?road?noise?by?on-board?sound?pressure?method 2022-06-24?发布 2022-07-24?实施 内蒙古自治区市场监督管理局 发?布 DB?15/T?2620—2022 目 次 前言? ................................................................................? III 1 范围? ...............................................................................? 1 2 规范性引用文件? .....................................................................? 1 3 术语和定义? .........................................................................? 1 4 测试设备? ...........................................................................? 2 一般规定? ....................................................................... ? 2 声级测量装置? ................................................................... ? 2 声级计标定装置? ................................................................. ? 2 车速测量装置? ................................................................... ? 2 温度测定装置? ................................................................... ? 2 风速测定装置? ................................................................... ? 2 测试车辆? ....................................................................... ? 2 辅助支架? ....................................................................... ? 3 5 测试路段及环境要求? .................................................................? 3 路段要求? ....................................................................... ? 3 自然风速? ....................................................................... ? 3 环境温度? ....................................................................... ? 3 路面温度? ....................................................................... ? 3 路面、环境湿度? ................................................................. ? 3 6 轮胎 - 路面噪声测试准备工作? ..........................................................? 3 测试轮胎检查与安装? ..................