Semi-anechoic Chamber Project of the Malaysia Super Factory of Alton Intelligent Technology Sdn.Bhd. in Malaysia

I. Project Introduction

Invested and built by United States Alton Industrial Group,Alton Intelligent Technology SDN.BHD. is one of the leading manufacturers of air power equipment and cleaning equipment in China. Located in Johor, Malaysia, including large factories and laboratory buildings, office buildings, canteens, dormitories and employee activity centers,Alton Intelligent Technology SDN.BHD. MALAYSIA 

MEGA  Factory adheres to the core development concept of "fairness and justice, co-governance and sharing", pays attention to talents and builds the core competitiveness of enterprises.

The acoustic laboratory project was designed and constructed by GZ DP Anechoic T&E Co., Ltd. It was completed within the specified time and passed the acceptance inspection. After the product passed the completion acceptance inspection, the company continued to assume responsibilities for quality assurance, warranty, repair, and technical support. The installation location is within the industrial zone of the buyer.

II. Project Requirements

Product Project Details:

This acoustic laboratory is a precision - grade semi - anechoic chamber. Our company is responsible for the design and installation of the project construction plan and the materials used. Our company should apply all or part of its "Turbocharged Micro - circulation Frequency - conversion Muffling Ventilation" (Patent No.: 200520108948.5) to the installation project of the acoustic laboratory.

The effective internal net dimensions of the precision - grade semi - anechoic chamber installation project: 7.3 m×5.4 m×3.0 m.

The size of the personnel passage door: W×H = 1.4×2.0 (m)

Main Acceptance Clauses for the Semi - anechoic Chamber

When the external environmental noise: Len(A) ≤ 65dB(A), there is no abnormal interference around (such as ground - pounding, piling, impact), and the air - conditioning and ventilation system is turned off while only the lamps are on, the background noise inside the semi - anechoic chamber: Lgn(A) ≤ 20dB(A); Cut - off frequency: Fc ≤ 100Hz.

III. Acoustic Design

Sound insulation design to achieve the background noise index.

Sound absorption design to achieve the performance of a semi - free sound field.

Muffling design to achieve aerodynamic performance.

IV. On - site Fabrication and Construction

场地前期准备

Preliminary site preparation

V. Testing by the Metrology Institute and Results 

Semi - anechoic Chamber

Background noise of the semi - anechoic chamber

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