How to reduce the noise of deep freezer

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In modern family life, small deep freezer has become a storage of fresh food, precious drugs and other items right-hand man. However, it is running when the buzzing noise, but like a discordant note, breaking the quiet home environment. Especially for people who pay attention to the quality of life and pursue a quiet atmosphere, this noise has really become a minor annoyance in life. So, small deep freezer is how to reduce noise? Let us unveil the mystery of its noise reduction.

1、Shock absorption design of compressor

As the core component of deep freezer, compressor is the power source of refrigeration cycle, but it is also the main generator of noise. During the working process of the compressor, the reciprocating motion of the piston and the rotation of the motor will cause strong vibration and noise. In order to reduce this source noise, engineers have adopted advanced shock absorption design. They carefully selected rubber materials with high elasticity and good damping characteristics, and made them into shock washers, which were installed between the compressor and the bottom plate of the cryogenic cabinet. When the compressor vibrates, it can absorb and transform the vibration energy into tiny heat energy through its own elastic deformation, thus effectively reducing the transmission of vibration to the whole deep freezer.

2、Improvement of air duct structure

The air duct system of deep freezer is related to the efficiency of cold air transportation and noise control. The unreasonable design can cause the air current in the air duct to form the eddy current, the turbulence, breeds the annoying noise. In this regard, engineers launched in-depth research. They use computational fluid dynamics fluid dynamics (CFD) technology to simulate and analyse the full range of airflow patterns and pressure changes in the ducts. Based on this, the shape, size and direction of the air duct are fully optimized, the airflow resistance at the turning point is reduced, and the vortex is reduced from the root. In addition, the guide vanes are added at the key nodes of the air duct to scientifically guide the directional and smooth flow of the air flow and eliminate the turbulence of the air flow collision. After the improvement, the air flow of the air duct is smooth and the noise is greatly reduced.

3、Noise reduction treatment of inner wall

The noise reduction of the inner wall of the deep freezer is related to the reflection and absorption of the internal noise. On the inner surface, the engineers used a special sound-absorbing coating. The coating is made of a mixture of sound-absorbing materials, and its surface has a unique bump texture, which can increase the contact area between the noise wave and the coating, so that more noise energy is absorbed. At the same time, there are many tiny sound-absorbing particles in the coating. When the noise wave enters the coating, multiple scattering and friction will occur between the particles, and the sound energy will be converted into heat energy. In addition, the corners and edges of the inner wall are additionally added with sound-absorbing tampons, which can further absorb and weaken the noise caused by airflow impact and component vibration, and create a quiet space inside the deep freezer, reduce the potential impact of noise on stored items.

4、Floor mat design

The stability of the cryogenic cabinet has a significant effect on the noise. The ground is uneven or deep freezer and ground contact is not close, when the compressor running cabinet shaking, it will cause additional noise. To completely solve this problem, engineers installed adjustable floor mats at the bottom of the freezer. The floor mat is made of abrasion-resistant and antiskid rubber, with excellent elasticity and cushioning performance. As long as the user according to the ground conditions, rotating the adjustment nut on the mat, can accurately adjust the height and level of the deep freezer, so that it fits closely with the ground. In this way, the shaking of the deep freezer during operation is greatly reduced, and the noise caused by shaking is reduced. At the same time, the stability of the deep freezer is improved, the operation is more stable, and the service life is effectively prolonged.

Conclusion

Through a series of noise reduction measures such as compressor shock absorption design, air duct structure improvement, inner wall noise reduction treatment and the use of floor mats, the noise level of the small cryogenic cabinet was successfully reduced under the premise of ensuring the refrigeration performance, for our lives to bring a more quiet, comfortable environment. In the future, with the continuous progress of science and technology, I believe the noise reduction technology of deep freezer will continue to innovate and improve, creating a better life experience for us.