The design of soundproof doors in semi anechoic chambers is an important part of the entire anechoic chamber design, which not only needs to meet the requirements of sound insulation performance, but also considers the convenience and safety of operation. The following are some key points in the design of soundproof doors for semi anechoic chambers:
 
1. Sound insulation performance
 
Soundproof doors are an important component of semi anechoic chambers, whose main function is to isolate external noise and maintain a quiet testing environment indoors. Therefore, the design of soundproof doors needs to meet certain sound insulation performance indicators, usually requiring the sound insulation of soundproof doors to be no less than 30dB.
 
2. Structural design
 
The structural design of soundproof doors should adopt a double-layer or multi-layer structure, with sound-absorbing materials filled in the middle to improve the sound insulation effect. The door frame and leaf should be made of sturdy metal materials to prevent deformation and damage.
 
3. Sealing performance
 
In order to improve the sound insulation effect, soundproof doors need to have good sealing properties. There should be a good sealing strip between the door frame and the door leaf to prevent air leakage. In addition, there should be a sealing strip between the door leaf and the ground to prevent sound leakage from the bottom.
 
4. Convenience of operation
 
The design of soundproof doors also needs to consider the convenience of operation. The door should have sufficient opening angle to facilitate the entry and exit of large equipment. At the same time, the opening and closing of the door should be smooth to avoid generating additional noise.
 
5. Security
 
The design of soundproof doors also needs to consider safety. The door should have sufficient strength to prevent accidental impact. At the same time, there should be safety devices for opening and closing the door to prevent accidents such as hand pinching.
 
6. Aesthetics
 
Finally, the design of soundproof doors also needs to consider aesthetics. The color and appearance of the door should be coordinated with the overall style of the soundproof room to enhance the visual effect of the entire soundproof room.
 
In summary, the design points of soundproof doors in semi anechoic chambers include sound insulation performance, structural design, sealing, ease of operation, safety, and aesthetics. These design elements work together to provide an ideal testing environment for acoustic testing.