Introduction to the acoustic design, manufacturing, construction and installation of semi-absorbing chambers of Shenzhen Zhiyan Technology Co., Ltd.

Summary: Zhiyan Technology was founded in 2017 and is headquartered in Nanshan District, Shenzhen. CEO Wu Wenlong is one of the founders of Anke Innovation and former Anke Innovation CTO. Zhiyan Technology is a high-tech enterprise specializing in the research and development of smart home products and optimization of upstream and downstream supply chains. With the mission of promoting the intelligence of home life, Zhiyan Technology is committed to becoming a global leading brand in the field of smart home: based on the Internet of Things, artificial intelligence, and big data technology, it builds a benchmark user experience for most smart home scenarios.

Guangzhou Danpin Artificial Environment Technology Co., Ltd. is composed of a team of acoustic experts and professional engineers who have been engaged in research on various acoustic technology for many years at home and abroad and have rich theoretical and practical experience. It has its own office building and factory. The factory has an acoustic laboratory that meets CNAS standards, which can monitor the acoustic technical indicators of its own products and conduct external acoustic testing services. The semi-absorbing chamber is not only a special laboratory for acoustic testing, but also an important part of the test 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 follow-up information such as silencer room, silence room, reverb room, semi-silencer room, semi-silencer room, full silencer room, full silencer room, and a brief introduction to the specific acoustic design, manufacturing construction and installation, and on-site actual test and acceptance, please pay attention to browsing the engineering cases in our official website, or scan the QR code of our WeChat public service account for free to push. For detailed information on silencer room, silencer room, reverb room, semi-silencer room, full silencer room, and full silencer room, please go to the download center of our official website for free to download.

Keywords: silence room, silence room, reverb room, semi-silence room, semi-silence room, full silence room, full silence room.

1. Procurement content

Semi-silence room

2. According to standards

1. GB/T 6882 "Precision method for determining acoustic power level of acoustic noise source"

2. ISO3745 "Acoustic-Determination of Acoustic Power Levels of Noise Source-Precise Determination Method of Ablative Chamber and Full Ablative Chamber"

3. JJF1147 "Calibration Specifications for Acoustic Characteristics of Absolute Room and Absolute Room"

4. GB 50034-2004 "Architectural Lighting Design Standards"

Project content and main indicators

1) The effective net size inside the semi-silence chamber installation project: 4000m×3000mm×3000mm, and the effective external size after production is: 6560mm×5560mm×5300mm;

2) The semi-silence chamber installation project is equipped with 4 professional echo-free and noise-free lighting fixtures, three walls are installed with sockets and extended accordingly to the concave interior of Danpin sound-absorbing and sound-silencing tips;

3) Personnel passage door size: W×H=1.0×2.0 (m);

4) The use of sound absorption and silence in the semi-sound chamber is used in the semi-sound absorption chamber. Size: 600*600*500mm; when the external environment is working normally, and there is no abnormal interference around (such as ground smashing, pile driving, impact), the noise floor Lgn(A) ≤16dB(A), cutoff frequency: Fc≤125Hz.

3. Construction and installation

4. Completed photos

5. Measuring and acceptance

The measured noise floor is: Lgn(A)≤11.7dB(A)

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