GB/T 3609.2-1983
Replaced
GB/T 7584.6-2026
Pending
National standards
GB/T 7584.6-2026 Acoustics—Hearing protectors—Part 6:Determination of sound attenuation of active noise reduction earmuffs
GB/T 7584.6-2026 Acoustics—Hearing protectors—Part 6:Determination of sound attenuation of active noise reduction earmuffs
Basic Information
Standard Code:
GB/T 7584.6-2026
Standard Type:
National standards
Standard Status:
Pending
is_force_gb:
no
CCS Name:
Labor protective gear
ICS Name:
Head protection equipment
Publish Date:
2026-02-27
Implement Date:
2026-09-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国声学标准化技术委员会(SAC/TC 17)
Pages:
16 pages
Scope
本文件针对主动降噪(ANR)耳罩，规定了主动插入损失测试方法和得到总声衰减的计算步骤。为实现这一目标，还需要知道并根据ISO 4869-1测定被动模式下的声衰减量。这些方法适用于稳态噪声暴露，不适用于含脉冲成分的噪声。
本文件中的测试方法使用了ISO 4869-1和ISO 11904-1中规定的被动式真耳听阈衰减法(RAET)和主动式真耳内置传声器法(MIRE technique),来考虑佩戴者和设备之间的声交互。
Development Information
Drafting Units:
中国科学院声学研究所、华东师范大学、同济大学、中国人民解放军总医院第六医学中心、青岛理工大学、杭州爱华智能科技有限公司、中国计量科学研究院、浙江科技大学、苏州市声学检验检测有限公司
Drafting Persons:
李晓东、田静、刘智颖、程晓斌、郑成诗、杨军、桑晋秋、俞悟周、毛东兴、冀飞、于宁、刘碧龙、熊文波、牛锋、何龙标、李争光、鲁强兵
Same series standard
GB/T 7584.1-2026 Acoustics—Hearing protectors—Part 1:Subjective method for the measurement of sound attenuation
GB/T 7584.2-2026 Acoustics—Hearing protectors—Part 2:Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
GB/Z 7584.5-2026 Acoustics—Hearing protectors—Part 5:Method for estimation of noise reduction using fitting by inexperienced test subjects
Referenced Standards
ISO 4869-1
ISO 4869-2
ISO 11904-1
IEC 61094-4
Adopt standards
ISO 4869-6:2019
Related Standards
GB/T 3609.3-1983
Replaced
GB/T 3609.3-1983 Methods of optical test for welding goggles
GB 6095-1985
Replaced
GB 6095-1985 Safety belts
GB/T 6096-1985
Replaced
GB/T 6096-1985 Inspect and examine method for safety belts
GB 6220-1986
Replaced
GB 6220-1986 Long tube respirators
GB 6221-1986
Replaced