Discussion on the design and application of side panel hinge of anti-arc distribution box

Introduction:

In power system, distribution box is an indispensable part, and the safety of distribution box is directly related to people's production and life safety and the stable and reliable operation of equipment. Among them, the door hinge of distribution box, as one of its key components, directly affects the opening and closing operation of distribution box, and when arc fault occurs, how to ensure personal safety becomes a very important problem.

A, the role of arc protection distribution box side hinge

With the development of science and technology, the structure of distribution box is becoming more and more complex, and the requirements for electrical equipment inside distribution box are getting higher and higher. Therefore, when designing the distribution box, all kinds of possible accidents, especially arc accidents, must be considered. In the case of arc accident, it is necessary to ensure that the staff can quickly open the distribution box for maintenance, which requires that the hinge of the side plate of the distribution box has the function of quick unlocking and remains intact after bearing a certain intensity of explosive force.

Second, the characteristics of the side hinge of the arc-proof distribution box

1. Material selection: In order to ensure the safety performance of the distribution box, high-strength alloy material is generally used to make the hinge of the side plate of the arc-proof distribution box. This material not only has high strength and strong corrosion resistance, but also has good thermal conductivity and heat dissipation, which can effectively reduce the fire risk caused by high temperature;

2. Structural design: the hinge of the side panel of the arc-proof distribution box usually adopts a special locking mechanism, which makes the side panel of the distribution box unable to be opened at will under normal circumstances, and can only be unlocked through a specific operation mode, which not only avoids safety accidents caused by misoperation of non-professionals but also facilitates maintenance;

3. Installation and fixation: In order to improve the overall stability of the distribution box, there are usually a plurality of installation holes between the hinge of the side plate of the arc-proof distribution box and the box body, and they are fastened with special screws to prevent the side plate from loosening and falling off due to vibration or collision.

Third, the application case analysis of side panel hinge of arc protection distribution box

At present, many well-known brands of anti-arc distribution boxes have adopted high-performance side hinges, such as the distribution box under a well-known brand. The side hinges used in this series of distribution boxes have excellent impact resistance and durability after special treatment, and can maintain stable working conditions even in harsh environments; At the same time, it is also equipped with advanced electromagnetic lock device, which can release the lock immediately in case of emergency, so as to achieve the purpose of quick escape.

Fourth, summary

In a word, as a new type of safety accessory, the side hinge of arc-proof distribution box is being used more and more widely, which can effectively prevent and reduce the probability of personal injury caused by arc accidents. Of course, any technology has its limitations, and it needs to be adjusted and improved according to the specific situation in the actual application process, so as to better play its due role.

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