Zhiyan Technology was founded in 2017, and its headquarters is located in Nanshan District, Shenzhen. Wu Wenlong, the CEO of Zhiyan Technology, is one of the founders of Anker Innovations and was formerly the CTO of Anker Innovations. Zhiyan Technology is a high-tech enterprise that specializes in the research and development of smart home products and the optimization of the upstream and downstream supply chain. With the mission of promoting the intellectualization of home life, it is committed to becoming a global leading brand in the field of smart homes. Relying on the technologies of the Internet of Things, artificial intelligence, and big data, it builds benchmark user experiences for most smart home scenarios.
GZ DP Anechoic T&E Co., Ltd. consists 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 office buildings and factories. There is an acoustic laboratory that meets the CNAS standards in the factory, which can be used to monitor the acoustic technical indicators of its products and provide external acoustic testing services. Through the hard work, 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, beautiful in appearance and high in technological content.
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 testing accuracy. For specific acoustic design, manufacturing, construction, installation and brief introduction of on-site actual measurement and acceptance and other follow-up materials, please pay attention to browsing the engineering 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 for free.
Keywords: anechoic chamber, soundproof chamber, silent chamber, reverberation chamber, semi-soundproof chamber, semi-anechoic chamber, full-soundproof chamber, full-anechoic chamber, acoustic measuring instruments, vibration measuring instruments.
I. Purchasing Contents
(1) Semi-anechoic chamber;
(2) NI-DC PULSE five-channel noise and vibration analysis system.
II. Standards Referenced
(1) GB/T 6882 "Acoustics - Determination of sound power levels of noise sources - Precision methods for anechoic and hemi-anechoic rooms";
(2) ISO 3745 "Acoustics - Determination of sound power levels of noise sources - Precision methods for anechoic and hemi-anechoic rooms". III. Main Indicators and Project Contents
1. The background noise Lgn(A) in the semi-anechoic chamber shall be no more than 16 dB(A).
2. Cut-off frequency: Fc ≤ 125 Hz.
