测试计量技术研究所

中国家用电器研究院

中国家用电器研究院电器质量分析测试中心 声学实验室

2017-04-05 14:47来源:家电科技网址:http://www.jiadiantech.org浏览数:319 

中国家用电器研究院电器质量分析测试中心

声学实验室


中国家用电器研究院电器质量分析测试中心声学实验室能够提供一个严格的半自由场声学环境,可以满足不同类型家电产品的噪音测试,并可提供测试方法、产品降噪的技术培训和咨询服务。

1.实验室具体参数:

1)消声室净空尺寸:长宽高 = 7490×5200×5200 mm(H)

2)消声室本底噪声:小于7 dB(A)

3)消声室截止频率:f0≤100Hz

4)自由场精度和范围:

在离开尖劈面0.8 m的所有空间区域内,在100Hz—20KHz的频域内,自由场精度误差符合ISO 3745 与GB 6882中规定的测量声级和理论声级之间的最大允许差值.

2.设计标准:

1ISO 3745 《声学-噪声源声功率级的测定-消声室和半消声室的精密测定法》

2GB 6882 《声学-噪声源声功率级的测定-消声室和半消声室精密法》

3)GB/T 4214.1《声学-家用电器及类似用途器具噪声测试方法 第一部分:通用要求》4)GB 19606-2015《家电和类似用途噪声标准限值》

3.可测产品及标准:

1)IEC 60704-1 Ed 3.0 《家用及类似用途电器气载噪声的测试规程—第1部分 通用要求》

2)IEC 60704-2-1《家用及类似用途电器气载噪声的测试规程—第2-1部分:真空吸尘器的特殊要求》

3)IEC 60704-2-2《家用及类似用途电器气载噪声的测试规程-第2-2部分:风扇加热器的特殊要求》

4)IEC 60704-2-3《家用及类似用途电器气载噪声的测试规程-第2-3部分:洗碗机的特殊要求》

5)IEC 60704-2-4《家用及类似用途电器气载噪声的测试规程-第2-4部分:洗衣机的特殊要求》

6)IEC 60704-2-5《家用及类似用途电器气载噪声的测试规程-第2-5部分:电暖气的特殊要求》

7)IEC 60704-2-6《家用及类似用途电器气载噪声的测试规程-第2-6部分:滚筒干衣机的特殊要求》

8)IEC 60704-2-7《家用及类似用途电器气载噪声的测试规程-第2-7部分:风扇的特殊要求》

9)IEC 60704-2-8《家用及类似用途电器气载噪声的测试规程-第2-8部分:电动剃须刀的特殊要求》

10)IEC 60704-2-9《家用及类似用途电器气载噪声的测试规程-第2-9部分:毛发护理器的特殊要求》

11)IEC 60704-2-10《家用及类似用途电器气载噪声的测试规程-第2-10部分:微波炉烤箱的特殊要求》

12)IEC 60704-2-11《家用及类似用途电器气载噪声的测试规程-第2-11部分:食品加工机的特殊要求》

13)IEC 60704-2-13《家用及类似用途电器气载噪声的测试规程-第2-13部分:油烟机的特殊要求》

14)IEC 60704-2-14《家用及类似用途电器气载噪声的测试规程-第2-14部分:制冷机、冷冻食品储藏柜和食品冻柜的特殊要求》

15)IEC 60704-2-15《家用及类似用途电器气载噪声的测试规程-第2-15部分:厨房垃圾处理机的特殊要求》



Acoustic laboratory


The acoustic laboratory of China Household Electrical Appliances Research Institute can provide a strict half free field acoustic environment, it can test the noise of different electrical appliances product. The laboratory’s specific parameters are as follow:

1. The size of anechoic chamber: L*W*H=7490×5200×5200 mm(H)

2. The background noise: < 7 dB(A)

3. Anechoic chamber cutoff frequency:≤100HZ

4. Free field accuracy and range:

   In the space area of 0.8M away from the sharp surface, and frequency range of 100Hz-20KHz, the free field accuracy error is in accordance with the maximum permissible difference between the measured sound level and the theoretical sound level specified in ISO 3745 and GB6882.

5. Design standards:

1) ISO3745: Acoustics - Determination of sound power level of noise source - Precise determination of anechoic chamber and semi-anechoic chamber

2) GB6882: Acoustics - Noise source sound power level determination - Anechoic chamber and semi-anechoic chamber precision method

3) GB/T 4214.1 Acoustics - Household appliances and similar appliances Noise test method Part I: General requirements

4) GB19606-2015: household appliances and similar use noise limits

6. Testable products and standards:

1)、IEC 60704-1 Ed 3.0: Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 1: General requirements

2)、IEC 60704-2-1 : Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-1: Particular requirements

for vacuum cleaners

3)、IEC 60704-2-2 : Household and similar electrical appliances - Test code for the determination of airborne noise –Particular requirements for electric

thermal storage room heaters

4)、IEC 60704-2-3 : Household and similar electrical appliances –

Test code for the determination of airborne acoustical noise –Part 2-3: Particular requirements for dishwashers

5)、IEC 60704-2-4 : Household and similar electrical appliances - Test code for the determination of airborne noise –Part 2-4: Particular requirements for washing machines and spin extractors

6)、IEC 60704-2-5 : Household and similar electrical appliances - Test code for the determination of airborne noise –Part 2-5: Particular requirements for electric thermal storage room heaters

7)、IEC 60704-2-6 : Household and similar electrical appliances - Test code for the determination of airborne noise –Part 2-6: Particular requirements for tumble dryers

8)、IEC 60704-2-7 : Household and similar electrical appliances - Test code for the determination of airborne noise –Part 2-7: Particular requirements for fans

9)、IEC 60704-2-8 : Household and similar electrical appliances - Test code for the determination of airborne noise –Part 2-8: Particular requirements for electric shavers

10)、IEC 60704-2-9 : Household and similar electrical appliances - Test code for the determination of airborne noise –Part 2-9: Particular requirements for electric hair care appliances

11)、IEC 60704-2-10 : Household and similar electrical appliances - Test code for the determination of airborne noise –Part 2-10: Particular requirements for electric cooking ranges, ovens, grills, microwave ovens and any combination of these

12)、IEC 60704-2-11 : Household and similar electrical appliances - Test code for the determination of airborne noise –Part 2-11: Particular requirements for electrically operated food preparation appliances

13)、IEC 60704-2-13 : Household and similar electrical appliances - Test code for the determination of airborne noise –Part 2-13: Particular requirements for range

hoods

14)、IEC 60704-2-14 : Household and similar electrical appliances - Test code for the determination of airborne noise –Part 2-14: Particular requirements for refrigerators, frozen-food storage cabinets and food freezers

15)、IEC 60704-2-15: Household and similar electrical appliances - Test code for the determination of airborne noise –Part 2-15: Particular requirements for household food waste disposers









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