湖州南洋电机有限公司成立于2001年07月25日，位于浙江省湖州市南浔区南浔镇浔织路1888号，是一家以从事电气机械和器材制造业为主的企业。经营范围包括一般项目：电机制造；电机及其控制系统研发；微特电机及组件制造；家用电器制造；机械零件加工等。

Huzhou Nanyang Electric-Motor Co., Ltd. was established on July 25, 2001. It is located at No. 1888, Xunzhi Road, Nanxun Town, Nanxun District, Huzhou City, Zhejiang Province. It is an enterprise mainly engaged in the manufacturing of electrical machinery and equipment. Its business scope includes general items: motor manufacturing; research and development of motor and its control system; manufacturing of micro and special motors and components; manufacturing of household appliances; machining of mechanical parts, etc.

广州丹品人工环境技术有限公司是由一批国内外多年从事各类声学技术研究、具有丰富理论和实践经验的声学专家和专业工程师团队组成，拥有自己的写字楼和工厂，工厂内建有符合CNAS标准的声学实验室，可以监控自己产品的声学技术指标及对外进行声学测试服务。通过丹品团队的艰苦奋斗和持续不断的创新与发展，其设计、生产、安装的声学实验室具有技术指标精准、绿色环保、质量耐用、外观漂亮、科技含量高的产品。

GZ DP Anechoic T&E Co., Ltd. is composed of a team of acoustic experts and professional engineers who have been engaged in various acoustic technology researches at home and abroad for many years and possess rich theoretical and practical experience. It owns its own office building and factory. There is an acoustic laboratory that meets the CNAS standards in the factory, which can monitor the acoustic technical indicators of its products and provide external acoustic testing services. Through the arduous efforts and continuous innovation and development of the Danpin team, the acoustic laboratories designed, produced and installed by it have products with accurate technical indicators, being environmentally friendly, durable in quality, good-looking in appearance and high in technological content.

半消声室不仅是声学测试的一个特殊实验室，而且是测试系统的重要组成部分，实际上它也是声学测试设备之一，其声学性能指标直接影响测试的精度。具体声学设计、制造施工安装及现场实测验收简单介绍等后续资料请留意浏览本公司的官方网站中的工程案例，或扫描本公司微信公众服务号二维码得到免费推送，详细资料则请到本公司的官方网站中的下载中心免费下载。

The semi-anechoic chamber is not only a special laboratory for acoustic testing but also an important part of the testing system. In fact, it is also one of the acoustic testing equipment, and the acoustic performance indicators of it directly affect the testing accuracy. For follow-up materials such as specific acoustic design, manufacturing, construction, installation and a brief introduction to on-site actual measurement and acceptance, please pay attention to browsing the project cases on the official website of our company, or scan the QR code of the WeChat public service account of our company to get free push notifications. For detailed materials, please go to the download center on the official website of our company to download them for free.

关键词:消音室、消声室、静音室、混响室、半消音室、半消声室、全消音室、全消声室、声学测量仪器、振动测量仪器;

Keywords: soundproof chamber, anechoic chamber, quiet chamber, reverberation chamber, semi-soundproof chamber, semi-anechoic chamber, fully soundproof chamber, fully anechoic chamber, acoustic measuring instruments, vibration measuring instruments.

一、采购内容

1.半消声室;

I. Purchasing Content

1. Semi-anechoic chamber;

二、依据标准

1.GB/T 6882《声学 噪声源声功率级的测定消声室和全消声室精密法》

2.ISO 3745《声学 噪声源声功率级的测定-消声室和全消声室的精密测定法》

II. Basis of Standards

1. GB/T 6882 "Acoustics - Determination of Sound Power Level of Noise Sources - Precision Methods for Anechoic Chambers and Fully Anechoic Chambers"

2. ISO 3745 "Acoustics - Determination of Sound Power Level of Noise Sources - Precision Methods for Anechoic Chambers and Fully Anechoic Chambers"

三、主要指标及项目内容

1、半消声室安装项目建设方案及使用材料全部由乙方负责设计安装;

2、半消声室安装项目内部的有效净尺寸、截止频率、自由场半径均按双方合同约定执行;

3、当外界环境噪声:Len(A)≤62dB(A)，周围无异常低频噪声源干扰(如砸地、打桩、冲击)时，半消声室内本底噪声Lgn(A)≤16dB(A);截止频率:Fc≤100Hz。

III. Main Indicators and Project Contents

1. The construction plan and the materials used for the installation project of the semi-anechoic chamber shall all be designed and installed by Party B.

2. The effective net internal dimensions, cut-off frequency and free-field radius of the installation project of the semi-anechoic chamber shall be implemented in accordance with the contract agreed upon by both parties.

3. When the external ambient noise: Len(A) ≤ 62 dB(A), and there is no interference from abnormal low-frequency noise sources (such as ground pounding, piling, and impacts) around, the background noise Lgn(A) in the semi-anechoic chamber shall be ≤ 16 dB(A); Cut-off frequency: Fc ≤ 100 Hz.

四、计量验收

IV. Measurement and Acceptance

本底噪声

noise floor

验收报告

Acceptance Report

五、完工照片

V. Completion Photos

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For more specific details, you are welcome to call for consultation or scan the QR code below to get more updates of our company.