“通過科技與創新，讓聲音控制技術造福人類社會” | 廣州丹品人工環境技術有限公司
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廣東晟輝科技股份有限公司創立于 2015 年，是一家集研發、制造、銷售和服務于一體的國家高新技術企業，占地面積達 40000㎡，擁有員工 1000 余人，年產能可達 1.2 億臺。公司產品廣泛服務于汽車、工業、消費和醫療等多個領域，銷售網絡遍布全球，長期為國內外知名品牌提供優質的散熱解決方案。
Guangdong Shenghui Technology Co., Ltd. was founded in 2015. It is a national high-tech enterprise integrating R & D, manufacturing, sales and service. It covers an area of 40,000 square meters, has more than 1,000 employees, and its annual production capacity can reach 120 million units. The products of the company are widely used in various fields such as automotive, industrial, consumer, and medical. Its sales network spreads globally, and it has long provided high-quality heat dissipation solutions for well-known domestic and foreign brands.
廣州丹品人工環境技術有限公司是由一批國內外多年從事各類聲學技術研究、具有豐富理論和實踐經驗的聲學專家和專業工程師團隊組成，擁有自己的寫字樓和工廠，工廠內建有符合CNAS標準的聲學實驗室，可以監控自己產品的聲學技術指標及對外進行聲學測試服務。通過丹品團隊的艱苦奮斗和持續不斷的創新與發展，其設計、生產、安裝的聲學實驗室具有技術指標精準、綠色環保、質量耐用、外觀漂亮、科技含量高的產品。
Guangzhou Danpin Anechoic T&E Co., Ltd. is composed of a team of acoustic experts and professional engineers at home and abroad who have been engaged in various acoustic technology research for many years and have rich theoretical and practical experience. The company owns its own office building and factory. An acoustic laboratory meeting CNAS standards is built in the factory, which can monitor the acoustic technical indicators of its own products and provide acoustic testing services to the outside. Through the arduous efforts, continuous innovation and development of the Danpin team, the acoustic laboratories designed, produced, and installed by the company have products with accurate technical indicators, environmental friendliness, durability, beautiful appearance, and high technological content.
半消聲室不僅是聲學測試的一個特殊實驗室，而且是測試系統的重要組成部分，實際上它也是聲學測試設備之一，其聲學性能指標直接影響測試的精度。具體聲學設計、制造施工安裝及現場實測驗收簡單介紹等后續資料請留意瀏覽本公司的官方網站中的工程案例，或掃描本公司微信公眾服務號二維碼得到免費推送，詳細資料則請到本公司的官方網站中的下載中心免費下載。
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 its acoustic performance indicators directly affect the accuracy of the test. For specific acoustic design, manufacturing, construction, installation, and on - site measurement and acceptance introduction and other follow - up materials, please pay attention to the engineering cases on the official website of our company, or scan the QR code of the WeChat official service account of our company to get free push. For detailed materials, please go to the download center on the official website of our company for free download.
關鍵詞：消音室、消聲室、靜音室、混響室、半消音室、半消聲室、全消音室、全消聲室、聲學測量儀器、振動測量儀器；
Keywords: soundproof room, anechoic chamber, silent room, reverberation chamber, semi-soundproof room, semi-anechoic chamber, full-soundproof room, full-anechoic chamber, acoustic measuring instrument, vibration measuring instrument;
一、采購內容
I. Purchase Content
（1）精密級半消聲室
（1）Precision-level semi-anechoic chamber
二、依據標準
II. Basis Standards
（1）GB/T 6882《聲學 噪聲源聲功率級的測定消聲室和全消聲室精密法》
（1）GB/T 6882 "Acoustics - Determination of sound power levels of noise sources - Precision methods for anechoic and hemi - anechoic rooms"
（2）ISO 3745《聲學-噪聲源聲功率級的測定-消聲室和全消聲室的精密測定法》
（2）ISO 3745 "Acoustics - Determination of sound power levels of noise sources - Precision methods for anechoic and hemi - anechoic rooms"
三、主要指標及項目內容
III. Main Indicators and Project Content
1、半消聲室室內本底噪聲值Lgn(A)≤18dB（A）
The background noise value Lgn(A) in the semi - anechoic chamber ≤ 18dB(A)
2、截止頻率Fc≤100Hz
Cut-off frequency: Fc≤100Hz
（半消聲室案例效果圖）
(Semi - anechoic case renderings)
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