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How does wireless charging work?

November 05, 2019

How does wireless charging work and why is it so popular?Read long knowledge!

Nowadays, mobile phones are becoming more and more intelligent, and various high technologies have been added to our lives. For example, one of the high technologies is the function of wireless charging.I think you can still recall the time when we used universal charging. At that time, the mobile phone was not an all-in-one machine, and the battery could be removed. At that time, we had two ways of charging.Later, mobile phones have developed into an all-in-one machine era, we can no longer take down the battery, can only rely on the way of data line charging.In recent years, smart phones begin to be equipped with a new way of charging, namely wireless charging function. Although this function has a strong sense of technology, many people still find it strange that there is no data line support, so how do two devices start the transmission of current?There are now four such modes of current transfer, and in this article we will discuss the various modes of charging.

The first is electromagnetic induction wireless charging, which USES an inductive magnetic flux between a wireless charging pad and a magnet on a mobile phone to convert the magnetic force into an electric current.The circuit structure required by this charging method is relatively simple, and the cost is not too high. However, this charging method also has a disadvantage, that is, the transmission distance is too short. If the mobile phone is not placed in a good position, it may not be charged, or the charging speed is very slow.

Second: magnetic resonance charging, the principle of this kind of charge is the need to both sides of the resonator to produce a magnetic resonance, just like the first, and through the magnetic force to turn it into electricity, a charge, this approach is needed to connect the two sides on the same frequency vibration, then you can charge it with electricity, and is suitable for long distance transmission, but there are still shortcomings, that is the efficiency that the charge will be low, which, in a way of charging is also studies estimate will this improve the shortcomings of to appear on the market.

Third: radio waves type charging, this is a way of charging on the supply side to configure a device which the emission of radio waves can, of course have a transmitting equipment, there must be a receiving device, in the form of a dc voltage output and input, recharged, although the charging current transmission speed, but the stability and safety are low, the cost of research and development is also high.

Fourth: wireless charging to electric field coupling type, this is a way of charging by both a vertical manner of asymmetric dipole to generate an electric current transmission, this way of charging the conversion rate is very high, the position can also need not fixed, but is a lot of shortcomings, it is need to equipment of a larger volume, power is very small.


Winnie Hannah

Sale manager

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