汽车隔音降噪网

噪声达标改制

噪声达标改制

平静隔音噪声达标改制服务包括国家相关标准的噪声达标改制、欧盟等国外相关标准的噪声达标改制和其它特殊行业或特殊产品的专项噪声达标改制服务,这些改制服务总是遵循相关的法律法规或者标准限值来进行,一些常见的标准包括:

中国机动车及发动机噪声限值标准:

序号 标准名称 编号 适用范围
1

机动车辆允许噪声

GB1495

各类机动车

2

机动车辆噪声测量方法

GB1496

各类机动车的车外、车内噪声测量

3

汽车定置噪声限值

GB16170

城市道路允许行驶的在用汽车

4

汽车匀速行驶车内噪声测量方法

QC/T57

M、N类车

5

汽车加速行驶车外噪声测量方法

QC/T58

M、N类车

6

矿用自卸汽车驾驶室噪声测量方法及限值

QC/T203

具有封闭驾驶室的矿用自卸汽车

7

摩托车和轻便摩托车噪声限值

GB16169

加速行驶噪声限值适用于新车;
定置排气噪声限值适用于在用车

8

摩托车和轻便摩托车噪声测量方法

GB/T4569

摩托车和轻便摩托车(赛车除外)

9

小型汽油机噪声限值

GB15739

功率为30kW以下的汽油机

10

中小功率柴油机噪声限值

GB14097

缸径160mm以下,标定功率≤1176kW的中小功率柴油机(不适用于多缸风冷柴油机)

11

摩托车发动机噪声限值及测量方法

QC/T70

摩托车和轻便摩托车发动机

12

内燃机噪A声功率级的测定(准工况法)

GB1859

往复式内燃机

13

内燃机噪A声功率级的测定(准工况法及简易法)

GB8194

往复式内燃机

此外,我国对多种情况下的噪声也作出了明确的限值,这些相关的测量目的及测量内容包括:

测量目的 测量内容
设备噪声评价 规定测点的噪声级(A、C声级)、频谱、声功率级和方向性
工人噪声暴露量 人耳位置的等效声级Leq
车间(室内)噪声评价 车间(室内)各代表点的A、C声级或Leq、L10、L90、L50
厂区环境噪声评价 厂区各测点处A、C声级或Leq、L10、L90、L50
厂界噪声评价 厂界各测点处A、C声级或Leq、L10、L90、L50
厂外环境噪声评价 厂外各类环境中的A、C声级或Leq、L10、L90、L50
消声器声学性能评价 消声器插入损失
城市交通噪声评价 交通噪声的Leq、L10、L90、L50
脉冲噪声评价 脉冲或脉冲保持值、峰值保持值
吸声材料性能测量 法向吸声系数a0、无规入射吸声系数ar
隔声测量 传声损失(隔声量)R
设备声功率测量 声功率级Lw
振动测量 振动的位移、速度、加速度
机械噪声源的鉴别 噪声频谱、振动频谱
新厂环境噪声预评价 设备声功率级、建厂区域各点噪声预估值及本底噪声

  欧盟噪声的系列相关标准:

EN ISO 3741:1999
Acoustics - Determination of sound power levels of noise sources using sound pressure - Precision methods for reverberation rooms (ISO3741:1999)
24.06.2003

 

CEN
EN ISO 3743-1:1995
Acoustics - Determination of sound power levels of noise sources - Engineering methods for small, movable sources in reverberant fields - Part 1 : Comparison method for hard-walled test rooms (ISO 3743-1:1994)
08.08.1996

 

 

CEN
EN ISO 3743-2:1996
Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for small, movable sources in reverberant fields - Part 2 : Methods for special reverberation test rooms (ISO 3743-2:1994)
28.11.1996

 

 

CEN
EN ISO 3744:1995
Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering method in an essentially free field over a reflecting plane (ISO 3744:1994).
14.02.1996

 

 

CEN
EN ISO 3746:1995
Acoustics - Determination of sound power levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:1995).
14.02.1996

 

 

CEN
EN ISO 3747:2000
Acoustics - Determination of sound power levels of noise sources using sound pressure - Comparison method for use in situ (ISO 3747:2000)
14.08.2003

 

 

CEN
EN ISO 4871:1996
Acoustics - Declaration and verification of noise emission values of machinery and equipment (ISO 4871:1996)
08.05.1997

 

 

CEN
EN ISO 5136:2003
Acoustics - Determination of sound power radiated into a duct by fans and other air-moving devices - In-duct method (ISO 5136:2003)

20.04.2004
Warning: The presumption of conformity, conferred by standard EN 5136 of 1993 published in the Official Journal of the European Communities C 377, 31.12.1994, ends from the date of this publication.

 

 

 

 

EN ISO 9614-1:1995
Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 1: Measurement at discrete points (ISO 9614-1:1993)
08.08.1996

 

 

CEN
EN ISO 9614-3:2002
Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning (ISO 9614-3:2002)
14.08.2003

 

 

EN ISO 11200:1995
Acoustics - Noise emitted by machinery and equipment - Guidelines for the use of basic standards for the determination of emission sound pressure levels at a work station and at other specified positions (ISO 11200:1995)
15.10.1996

 

 

CEN
EN ISO 11201:1995
Acoustics - Noise emitted by machinery and equipment - Measurement of emission sound pressure levels at a work station and at other specified positions - Engineering method in an essentially free field over a reflecting plane (ISO 11201:1995)
15.10.1996

 

 

CEN
EN ISO 11202:1995
Acoustics - Noise emitted by machinery and equipment - Measurement of emission sound pressure levels at a work station and at other specified positions - Survey method in situ (ISO 11202:1995)
15.10.1996

 

 

CEN
EN ISO 11203:1995
Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions from the sound power level (ISO 11203:1995)
15.10.1996

 

 

CEN
EN ISO 11204:1995
Acoustics - Noise emitted by machinery and equipment - Measurement of emission sound pressure levels at a work station and at other specified positions - Method requiring environmental corrections (ISO 11204:1995)
15.10.1996

 

 

CEN
EN ISO 11546-1:1995
Acoustics - Determination of sound insulation performances of enclosures - Part 1: Measurements under laboratory conditions (for declaration purposes) (ISO 11546-1:1995)
15.10.1996

 

 

CEN
EN ISO 11546-2:1995
Acoustics - Determination of sound insulation performances of enclosures - Part 2: Measurements in situ for acceptance and verification purposes (ISO 11546-2:1995)
15.10.1996

 

 

EN ISO 11688-1:1998
Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 1: Planning (ISO.TR 11688-1:1995)
15.10.1998

 

 

CEN
EN ISO 11691:1995
Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)
14.02.1996

 

 

CEN
EN ISO 11806:1997
Agricultural and forestry machinery - Portable hand-held combustion engine driven brush cutters and grass trimmers - Safety (ISO 11806:1997)
23.10.1997

 

 

CEN
EN ISO 11957:1996
Acoustics - Determination of sound insulation performance of cabins - Laboratory and in situ measurements (ISO 11957:1996)
08.05.1997

 

 

CEN
EN ISO 12001:1996
Acoustics - Noise emitted by machinery and equipment - Rules for the drafting and presentation of a noise test code (ISO 12001:1996)
08.05.1997

 

 

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