An easy way to solder wires without a soldering iron
Sometimes when we are doing circuit maintenance outside, we will encounter the need to solder wires, but because there is no 220V AC, we cannot use electric soldering irons (sometimes welding at high altitudes, it is not convenient to use electric soldering irons), here are two kinds of soldering wires that do not use electric soldering irons simple method.
1. Solder the wire with a lighter
When using a lighter to weld the wire, first strip the wire with a wire stripper to expose the copper wire, twist the two wire ends together, then wrap the solder wire around the wire end (as shown in the picture above), and then heat it with a lighter for a while, The solder wire can be melted to weld the two wire ends together. After welding, check to see if the welding is firm. After confirming that the welding is reliable, wrap the wire end with electrical tape. this kind
The welding method is very simple, and it can be welded even standing on a ladder, which is more convenient than using a soldering iron.
2. Solder the wires with a hot soldering iron
If there are many wires to be welded, a hot soldering iron can also be used for welding. The soldering iron head of this kind of fire soldering iron is made of red copper, and the handle is made of steel bars. When in use, heat the soldering iron on a coal fire and then use it to solder wires.
Red copper soldering iron tip.
To solder the wires with a fire soldering iron, first twist the ends of the wires together and wrap them with solder wire. Due to the large tip and sufficient heat of this kind of fire soldering iron, it is suitable for soldering larger solder joints. A long time ago, when some electronics enthusiasts made radios with discrete components, they used this kind of fire soldering iron to solder. In addition, this fire soldering iron can also be used to weld iron buckets or tea mugs.
50 years ago, electric soldering irons were not very popular, and soldering was also available at that time. Find a copper rod (must be copper), hammer the front end into a flat shape, drill a small hole (8mm in diameter) in the middle of the rod, and install a handle with 8mm steel bars. The heat source can be liquefied petroleum gas or coal stove, copper The flat end of the rod should be tinned first, otherwise it cannot be used. The temperature of the copper rod should not be too high, about 300 degrees. If it burns slightly red, the copper and tin will form an alloy. It is easy to use, but this layer of alloy has to be foiled or ground off and tinned again before it can be used. Of course, this kind of self-made soldering iron is difficult to solder circuit boards with high component density.
