What are the safety hazards of inferior charging data cables?
2022-07-26 Views：41
In general, old and inferior charging data cables have three major "safety risks":
1. Easy to break, poor flame retardancy, short circuit and fire
The insulating quilt is made of PVC, TPE, nylon woven, all organic polymer materials, exposed to the outside for a long time, encountering light, gas, water, heat, sweat, microorganisms... It will slowly degrade, a professional term in chemistry It's called "aging".
Aging insulation has two risks: the first is easy to break, and the second is poor flame retardancy.
Even if the outer insulation of the data cable is intact, the insulation of the inner wire may be damaged, leaving the metal wire exposed. When the wires are connected together, it will cause a short circuit. The current flows back directly along the wire, and the mobile phone cannot be charged without going the way of the electrical appliance.
It is still a trivial matter whether it can be charged or not. The biggest danger of short circuit is that the current in the wire will increase sharply. After a short circuit, the current rises sharply, and a large amount of heat is generated in a short period of time. If the insulating layer is aging and has poor flame retardancy, it will be melted into slag directly. If there are flammable materials such as wooden tables and chairs, curtains, and paper nearby, a fire is very likely.
2. Poor flexibility, damage to the phone and battery
Old and inferior charging data cables still have the problem of poor flexibility. If one is not careful, if the data cable is bent, it may break with a bang somewhere in it, and the charging of mobile phones and data transmission cannot be carried out.
Moreover, charging a mobile phone does not require much current, there is a rated charging current. If the data cable is damaged, the current is too low, too high, and unstable. For example, the rated charging current of a mobile phone is 1A, but the actual charging current is 1A for a while, and the bad contact drops to 0.1A for a while. Damage internal structure, damage battery health, destroy stored data.
3. It is not resistant to corrosion and burns the interface
High-quality data cables should be resistant to electrochemical corrosion, which is generally difficult to rust.
Experiments have shown that after being placed in a salt spray environment for a certain period of time and taken out, the high-quality data cable is intact, while the ends of the old data cable are rusted.
After rusting, plug the data cable into the mobile phone to charge, it will affect the heat dissipation, the temperature will be too high, and in severe cases, it will be directly burned, causing an accident.
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