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Chinese Standard: GB/T 9068-2025

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Determination of sound power levels of refrigeration and air-conditioning equipment—Sound pressure methods


Standard in brief
Scope of Application:  
本文件界定了制冷与空调设备噪声声功率级测定的术语和定义,规定了测试环境和仪器要求,给出了被测设备的安装与运行、声压级的测量、声压级和声功率级的计算等方法。
本文件适用于创造人类舒适性环境、特定人工环境、工艺流程条件及特定冷热需求的温度、湿度、流量、空气品质控制与调节的制冷系统和热泵、装置及部件声功率级的测定。声功率级的测定方法包括反射平面近似自由声场测定、消声室和半消声室测定、混响场下硬壁测试室比较法测定、混响场直接法测定。消声室和半消声室测定方法(精密级)适用的频率范围为100 Hz~10 000 Hz的1/3倍频带。

Basic information
Standard No:GB/T 9068-2025
Standard Name:制冷与空调设备噪声声功率级的测定 声压法
English Name:Determination of sound power levels of refrigeration and air-conditioning equipment—Sound pressure methods
Standard Status:现行
Release Date:1988-04-05
Effective Date:2026-05-01
Language of Publication:中文简体

Standard Classification
ICS Number:27.200
CCS Number:J73

Related Standards
Referenced Standards:GB/T 3241-2010,GB/T 3767,GB/T 3785.1-2023,GB/T 4129-2003,GB/T 6881-2023,GB/T 6881.2-2017,GB/T 6882-2016,GB/T 15173-2010,JB/T 7249

Publication Information
Number of pages:36
Number of words:50 K
Format:大16
Edition:1
Color Pages:0
Electronic Version:Yes
Color Images:No
Print Publication Date:2025-10-01

Standard Revision Information
Has Amendment:No

Other Information
Application Dept:国家市场监督管理总局、国家标准化管理委员会
Standard Type:CN
Standard Attribute:GB
Other Standard Number:9068
Drafter:郭扬、吴彦东、张文强、杜文超、别清峰、刘杨、昝世超、刘晨曦、张茹、王海地、王宇璇
Drafting Organization:合肥通用机电产品检测院有限公司、广东美的暖通设备有限公司、青岛海信日立空调系统有限公司、奥克斯空调股份有限公司、海信空调有限公司、广东芬尼能源技术有限公司、国机通用机械科技股份有限公司、合肥通用机械研究院有限公司
Management Organization:全国冷冻空调设备标准化技术委员会(SAC/TC 238)
Proposing Department:中国机械工业联合会

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