Connection box

Abstract

The invention provides a connection box which is composed of a base, a box body and an internal component, the base and the box body form an outer shell and are used for isolating the connection box from an external natural environment and the internal component, meanwhile, the box body is of a cap-shaped structure and covers the base, and sealing between the box body and the base is guaranteed through a first sealing structure; and an optical cable is installed from the lower end of the base and is clamped and limited by the optical cable inlet clamping device, the sealing performance is ensured by the second sealing structure, and the conditions of water seepage and icing are reduced by using an up-and-down arrangement mode and a plurality of sealing structures. After an optical cable is introduced into the splice closure, the optical fiber is protected by the fiber accommodating disc and the fiber hiding disc of the internal structure, so that the splicing safety of the optical cable is ensured, and the reliability of the splice closure is integrally improved.

Description

technical field [0001] The present invention relates to the technical field of electric power communication, and more specifically, relates to a junction box. Background technique [0002] Power communication optical cables are in a basic position in the construction of multi-integrated and highly elastic power grids. Optical cables carry the optical paths of communication networks at all levels, metropolitan area networks, and external system interconnection optical paths, etc., and carry protection and security services, power dispatching data networks, dispatching telephones, TVs, etc. Important services such as conference calls. Due to the influence of many factors, power communication optical cable operation safety incidents occur from time to time, the severity of the problem is intensifying, and the frequency of defects (events) is also increasing. Among them, the failures caused by the connection box problem are also increasing year by year. The safe and stable oper...

AI Technical Summary

Problems solved by technology

Compared with the same type of junction box abroad, the current power junction box has problems such as low material performance, unreasonable structural design, and low parameters, etc., and various problems are prone to occur during the 30-year design life cycle

[0004] At present, when domestic conventional splice boxes are used, there are hidden dangers and faults such as water seepage, icing, and small bending radius of optical fibers in the splice box. Communication operation and maintenance personnel need to go to the site to observe with the naked eye. When the fault point cannot be determined, the splice box needs to be opened. Judging the fault point, the labor cost is high and the efficiency is low

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