Among many laboratory equipments, ultra-low temperature freezer has attracted much attention because of its unique functions and application scenarios. As one of the important tools for storing precious biological samples and reagents, its design needs not only to ensure the stability of internal temperature, but also to consider the quality and durability of details of external components such as door handles. Today, we will discuss an important part of the ultra-low temperature freezer-the durable handle.

I. Special requirements in ultra-low temperature environment

First of all, we should understand that freezers working at extremely low temperatures have extremely strict requirements on materials. Ordinary materials are easy to become brittle or even break in ultra-low temperature environment. Therefore, the material used to make the handle of ultra-low temperature freezer must be able to withstand extreme conditions without affecting its performance. In addition, considering the user's safety and convenience, the design of the handle should also fully consider the ergonomics principle.

Second, it is very important to choose suitable materials.

At present, several common handle materials on the market include stainless steel, plastic (such as ABS or polycarbonate) and some composite materials. Among them:

Stainless steel: It has good corrosion resistance and mechanical strength, but it may cause skin adhesion under extreme cold conditions.

Plastics: light in weight and low in cost, but may age and deform in ultra-low temperature environment for a long time.

Composite material: it combines the advantages of many materials, which not only ensures the structural strength, but also effectively avoids the cold conduction problem.

After comprehensive consideration, it is found that the handle made of specially treated stainless steel or composite material with good heat insulation performance can better meet the actual use requirements.

Third, humanized design enhances user experience

In addition to material selection, the shape of the handle and its installation position are also one of the key factors that determine the user's comfort. A good handle should be easy to grasp and can adapt to different sizes of palms; At the same time, in order to facilitate the door opening operation, it should be set as close as possible to one side of the door shaft to reduce the force required for opening.

In addition, the grip feeling can be further improved and the risk of accidental slipping can be prevented by adding anti-slip texture or covering with soft rubber layer.

IV. Conclusion

In a word, when choosing an ultra-low temperature freezer, we should not ignore the seemingly insignificant small parts, such as the door handle, besides paying attention to its core refrigeration system. A well-designed handle made of suitable materials can not only prolong the service life of the whole machine, but also greatly improve the daily operation experience. In the future, with the continuous progress of technology, I believe we will see more innovative design schemes appearing on the market!

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