Design and application of heat preservation handle for ultra-low temperature freezer

With the development of science and technology and the improvement of people's living needs, ultra-low temperature freezers have become one of the essential and important equipment in many laboratories, medical units and food storage fields. In the process of use, in order to ensure the safety and comfort of the staff, the design of the insulation handle of the freezer is particularly important.

I. Design background

In the traditional freezer, the handle is mostly made of metal, which will absorb human heat at low temperature, leading to problems such as hand frostbite. Therefore, it is necessary to develop a new material to replace metal to improve the user experience. After many experiments and studies, it is found that using composite plastics as raw materials can effectively solve this problem and take into account other considerations such as aesthetics.

Second, the material selection

1. Composite plastic: it has excellent heat insulation performance and corrosion resistance, and can be kept in extremely low environment for a long time without deformation or aging; At the same time, the surface is smooth and delicate and easy to clean and maintain.

2. Anti-skid treatment layer: adding anti-skid particles to the surface can increase friction, prevent operational errors and improve safety.

3. Soft touch agent: adding a proper amount of soft touch agent makes the grip feel more comfortable and natural, and reduces the fatigue caused by long-term work.

4. Color matching scheme: according to the needs of different application scenarios, select appropriate colors for spraying and covering, enhance the visual effect and facilitate rapid identification and positioning of the target position.

Third, structural optimization

In addition to selecting high-quality raw materials, we should also pay attention to the following points:

1. Compact and stable structure: reduce the gap as much as possible to avoid the problem of energy consumption increase caused by cold air loss;

2. The installation is simple and reliable: it is designed in a detachable form to facilitate the later maintenance and replacement;

3. The shape conforms to the principle of ergonomics: adjust the radian of the size curve according to the size of the user's palm to ensure a good fit, further reduce the burden and reduce the probability of potential risks;

Fourth, functional expansion

In addition to the basic functions, consider adding the following additional elements:

1. Temperature display screen: real-time monitoring of internal environment changes and timely making corresponding adjustment measures;

2. Emergency unlock button: In case of emergency, you can quickly open the cupboard door manually to escape;

3. LED strip surround setting: it not only plays a beautification role, but also enhances the recognition at night, which is convenient for finding the required items;

V. Practical application case analysis

A scientific research institution has purchased a batch of new ultra-low temperature refrigerators equipped with the improved heat preservation handle device for storing precious sample data. After a period of testing, the feedback is as follows:

1. The user experience has been significantly improved: the staff said that they would not feel cold and biting even under the condition of tens of degrees below zero, and they felt warm and comfortable when holding the handle, which greatly reduced the risk of hand injury.

2. Efficiency has been significantly improved: due to the reduction of opening and closing times and the improvement of accuracy, the overall work efficiency has also been greatly improved, which better meets the daily work needs.

3. Proper cost control: Compared with the common style, although the initial investment is slightly higher, it is still very cost-effective considering the long-term interests and sustainable development goals.

VI. Conclusion

To sum up, for those who often come into contact with ultra-low temperature freezers, the new generation of insulation handles is undoubtedly a valuable technological breakthrough. It not only solves the security risks in the past, but also brings a better operating experience. Let's look forward to more similar innovations in the future!

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