The two parties conducted in-depth exchanges and discussions on the specific details of the contract, and revised the relevant contents to finalize the contract text. The signing of the contract signifies the advanced concepts, advanced management and advanced technologies brought by the high-end software companies in the water supply industry in Heihe area. This ensures a high starting point for water supply companies, lays a solid foundation for the development of water supply companies, and creates a communication platform for serving the people. .
(Original title: Heihe City Creates a Smart Water Service Platform)
Noise standards for six categories of small Home appliances will be officially released soon
Recently, the mandatory national standard GB19606-2004 noise limits for household and similar electrical appliances, which was officially implemented on August 1, has added a new "d", including air purifiers, dishwashers, vacuum cleaners and water absorbing cleaning appliances, electric kitchen appliances, food shredders The special requirements for noise limits of six types of small household appliances, humidifiers, are currently in the stage of online publicity of WTO / TBT and will be officially released soon.
The draft for approval of the special requirements for noise limits of these 6 types of products stipulates that all technical contents of the standard are mandatory. The specific noise value must be marked on the nameplate or operation manual of category 6 products, and the deviation between the measured value and the indicated value shall not exceed 3 dB (a), and the maximum shall not exceed the standard limit value. Li Yi, director of the national household appliance Standardization Technical Committee, said that enterprises should pay more attention to this series of standards. As a national mandatory standard, once formally implemented, enterprises and businesses involved in these six types of products should act in strict accordance with the laws and regulations and express the noise value of products in time.
The draft of special requirements for humidifiers with noise limits for household and similar electrical appliances for approval stipulates that "the sound power level noise of humidifiers shall meet the regulations." the special requirements for food blenders with noise limits for household and similar electrical appliances are applicable to food blenders with rated voltage of 220V and rated power of no more than 700W, For household and similar purposes, the motor drives the blade in the container to rotate at high speed to stir or crush food. Appliances with a rated power of more than 700W are under consideration. The noise limit requirements include the noise value requirements of immersion food crusher and solid food crusher. It is specified that the noise limit of immersion food grinder is: the noise value of appliances with power ≤ 400W shall not exceed 90dB (a), and the noise value of appliances with power ≤ 400W shall not exceed 90dB (a); The noise limit of solid food crusher is: the noise of appliances with power ≤ 400W shall not exceed 100dB (a), and the noise of appliances with power ≤ 400W shall not exceed 105dB (a).
The special requirements for noise limits of household and similar electrical appliances and electric kitchen appliances are also applicable to appliances with motor rated input power not greater than 700W, and the requirements for appliances with power above 700W are also under consideration. According to Li Yi, this standard is applicable to electric kitchen appliances other than food shredders, such as soybean milk machine, juicer, etc. The standard specifies specific noise limits.
The noise limits of household and similar electrical appliances, special requirements for vacuum cleaners and water absorbing cleaning appliances, are only applicable to vacuum cleaners and water absorbing cleaning appliances (including their accessories and components) used in families and similar occasions. The requirements for product noise limit are: if the rated input power of vacuum cleaner is ≤ 1000W, the noise limit shall be ≤ 84dB (a); For rated input power ＞ 1000W and ≤ 1400W, the noise limit is ≤ 86db (a); For rated input power ＞ 1400W, the noise limit is ≤ 90dB (a). The noise value of water absorbing cleaning appliance shall not be greater than 90dB (a).
The noise limits of products are also specified in the special requirements for dishwashers and the special requirements for air purifiers. Among them, the sound power level noise of the Air Purifier shall comply with the provisions in Table 3. The noise limit value of the sound power level of the standing dishwasher shall not be greater than 61db (a), the desktop dishwasher shall not be greater than 65dB (a), and the embedded dishwasher shall not be greater than 58db (a).
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