A kind of improved 2m joint and its making method

Abstract

The invention provides an improved 2M connector and a using method thereof, belonging to the technical field of communication. An improved 2M connector includes a signal pin, a signal pin plug, an insulator, a connecting piece, an elastic pad, a fixing nut, a fixing tube, a movable connecting body and an end cap, one end of the signal pin is a hollow structure; one end of the signal pin plug is hollow structure; the insulator is sleeved on the outside of the signal pin; the connecting piece includes a first connecting piece and a second connecting piece, the first connecting piece is sleeved outside the insulator, and the front end of the second connecting piece is fixed with the tail end of the first connecting piece , an elastic pad is arranged inside the tail end of the second connecting piece; the elastic pad is a hollow structure; the fixing nut is sleeved outside the tail end of the second connecting piece; the fixing pipe is sleeved outside the fixing nut; The outside of a connecting piece; the end cap is sleeved on the outside of the second connecting piece. The invention adopts crimping and fixing, has good electrical conductivity, fast crimping speed, high work efficiency and can be reused.

Description

technical field [0001] The invention belongs to the technical field of communication equipment, and in particular relates to an improved 2M connector and a manufacturing method thereof. Background technique [0002] With the development of electric power communication, the communication equipment of the substation is becoming more and more perfect. Among these communication equipment, the digital distribution cabinet plays a crucial role, and only by relying on them can the external transfer of the business be realized. [0003] In the digital configuration, the quality of the 2M connector is related to whether each service can be transmitted normally. The current 2M connectors are all welded. However, the 2M connector provides a very narrow space for welding, and the 2M connector is relatively small, which provides more welding space than an electric soldering iron. The soldering head is not much big, and the solder is not easy to place. If the solder is cut short and put o...

AI Technical Summary

Problems solved by technology

When soldering, you need to find a power source on site, plug in the electric soldering iron for preheating, after the preheating is over, one person holds one end of the 2M connector in one hand, the other hand holds the electric soldering iron, and the second person uses one hand to hold the data wire, and the other hand holds the solder for cooperation. Due to the small space, it is very easy to accidentally burn the hands of the second person, which is dangerous; in addition, solder is an easy-melt metal, and it will emit an unpleasant smell when soldering. Gas, which is inhaled by the human body into the lungs and can cause potential harm to the human body

Moreover, due to the small space of the 2M joint, it is easy to weld the copper core of the data line and the joint shell of the 2M data line together during welding, causing a short circuit, and welding quality problems such as virtual welding may occur, and it is not easy to be found

[0004] After the welding of the 2M connector is completed, insert it into the digital adapter and tighten the screws to realize business circulation. However, after running for a period of time, a small number of 2M connectors will loosen and fall off due to poor welding, resulting in a failure of business and an alarm from the optical transceiver.

2M services include administrative telephone, dispatching automation, protection and security control, etc. If the 2M line carries administrative telephone service, the problem is not very big. If the 2M line carries relay protection service, the service is 220kV line differential protection , the line is faulty and needs to be tripped. Since the 2M channel is blocked, the line will not trip. At this time, major power grid accidents such as line burning and transformer damage will occur

The above-mentioned 2M cable head manufacturing process has the following problems: First, the process covers the crimping sleeve on the shielding layer and presses it tightly before welding in step (5). If problems are found before or during welding, adjustments are required. Or re-production, because the crimping sleeve has been crimped and fixed, it will make adjustment or disassembly cumbersome, and the crimping sleeve will be wasted, reducing production efficiency

The second is that the process uses solder to weld the pin and the inner conductor of the cable. Due to the structural limitations of the pin, there are still problems such as easy soldering and disconnection when using solder, and it is not easy to be discovered by the operator.

Images