Summary:
Chengdu Qihang System Integration Co., Ltd. is a national high-tech enterprise integrating design, research and development, production, sales and technical services. It is committed to providing integrated solutions for military rugged electronic equipment carriers (chassis and cabinets). Due to work requirements, they approached us to build a semi-anechoic chamber to create an anechoic environment for improving their working facilities and developing more advanced products. Chengdu Qihang System Integration Co., Ltd. closely follows the development trends in the international air-cooling heat dissipation field, benchmarks against international advanced and mature products, and is dedicated to providing domestic military fans and integrated solutions for rugged electronic chassis for customers in different fields. The self-developed series of fan products by the company, which have independent intellectual property rights and meet general quality characteristics, are widely used in airborne, shipborne, vehicle-mounted platforms and special engineering equipment in both military and civilian fields. The development of these devices increasingly requires the support of an acoustic laboratory.
Therefore, they chose to cooperate with Guangzhou Danpin Artificial Environment Technology Co., Ltd. This is because Guangzhou Danpin Artificial Environment Technology Co., Ltd. consists of a team of acoustic experts and professional engineers who have been engaged in various acoustic technology research at home and abroad for many years and have rich theoretical and practical experience. It has its own office building and factory, and an acoustic laboratory that meets the CNAS standards has been built in the factory, which can monitor the acoustic technical indicators of its own products and provide external acoustic testing services. Through the hard work 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, 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 follow-up materials such as brief introductions to the specific acoustic design, manufacturing, construction, installation and on-site actual measurement and acceptance of soundproof chambers, anechoic chambers, quiet rooms, reverberation rooms, semi-soundproof chambers, semi-anechoic chambers, fully soundproof chambers and fully anechoic chambers, please pay attention to browsing the project cases on the official website of our company, or scan the QR code of our WeChat public service account to get free push notifications. For detailed information, please go to the download center on the official website of our company to download for free.
I. Procurement Content
II. Basis Standards
III. Main Indicators and Project Contents
(1) The installation project construction plan and materials used for the semi-anechoic room shall all be designed and installed by Party B;
(2) The effective net internal dimensions of the semi-anechoic room installation project: 5000mm × 4000mm × 3000mm, precision: +/- 100mm.
(2) Cut-off frequency: Fc ≤ 100Hz.
IV. Acceptance Measurement Data
When the elevator is not running, the on-site acceptance result: background noise Lgn (A) ≤ 6.65dB (A);
When the elevator is running, the on-site acceptance result: background noise Lgn (A) ≤ 13.7dB (A);
For more specific content, please feel free to call for consultation or scan the below QR code to get more news about our company.
