Today to share the knowledge of wireless charging is good or bad, which will also explain how to judge the wireless charger is good or bad, if you happen to solve the problem you are now facing, don't forget to pay attention to this site, start now!
< ul>1, the charging speed is slightly slower: compared with the wired charging bank, even if it has a fast charge, the charging speed of the wireless charging bank will be slightly slower, especially for devices with large capacity batteries, and the charging time is longer. andCapacitive limitation: Wireless charging bank requires equipment to support Qi or other wireless charging standards, and devices that do not support wireless charging technology cannot enjoy its convenience.
2, Apple cable charge well. The advantage of the magnetic magnet is that it can be adsorbated near, and the adsorption can be charged. The charger is automatically aligned with the position of the charging coil, which solves the problem of manual alignment for traditional wireless charging. But it is still a wired form, and the power is not as good as wired charging, so the key moment or wired charging is more realistic. If the MagSafe magnetic charger wants to turn into a regular one, it will depend on when the iPhone removes the charging port.
3, cable charging. In the case of the same charging time, the power of the commonly used wired battery charger is 93% after charging, and the power of the wireless charger is 88% after charging. Obviously, there is still a gap in the charging efficiency of wireless chargers, and there is still room for further improvement in technology.
4, the second kind of wireless charging, its working principle is the most used electromagnetic induction, wireless charging less line bondage, each charge with the release, compared with wired charging, it does not plug and unplug the data cable cumbersome, so charging is more safe, more fast, its disadvantage is that the charge is relatively slow. <5, each has its own advantages: wireless charging is convenient, do not need to connect the phone to the charger, put on the charging board; Wired charging is more stable, and the charging speed is faster than wireless charging.
6, the biggest difference is that the charging method is not the same. The traditional charging bank charges the mobile phone, basically through the wire transmission, charging speed is faster; Wireless charger to charge the phone, no need to plug and unplug, but the speed is slower. Wireless chargers do not need wire transmission, mobile phones need wireless charging function has become a trend, the wide use of wireless charging can make our mobile phone life more, what are the advantages and disadvantages of
1, electromagnetic induction charging, very simple, and the principle of electromagnetic induction in high school is similar, wireless charging the charging base and the terminal are built with coils, so that the two are close to the charging seat and start to supply power to the terminal. Many wireless charging mobile phones are this principle, but the location must be relatively uniform in order to charge efficiently. And there is also coupling radiation problem, electromagnetic wave coupling will not exist a large magnetic field leakage. 2, there are four basic principles of wireless charging, respectively, electromagnetic induction charging, magnetic resonance charging, radio wave chargingElectric and electric field coupling charging, the mainstream standards on the market mainly include Qi standard, PMA standard, A4WP standard, iNPOFi technology and Wi-Po technology. Let's take a look at the principle of wireless charging.
3, electromagnetic induction charging technology: This wireless charging technology through the principle of electromagnetic induction to achieve energy transmission. A certain distance should be maintained between the charging base and the charging device. Usually, the charging device needs to be placed on the charging base for charging. This technology has high charging efficiency and is suitable for small electronic products such as mobile devices.
4, wireless chargingElectrical advantages Safety: no power contact design, can avoid the danger of electric shock. Durable: the power transmission element is not exposed, so it will not be eroded by moisture and oxygen in the air; There is no contact, so there is no loss caused by mechanical wear and flaring during connection and separation.
5, the use of wireless magnetic induction charging equipment can be invisible, the equipment wear rate is low, the application range is wide, and the public charging area is relatively reduced. High technical content, easy to operate, can implement relatively long distance radio energy conversion. Disadvantages of wireless charging: Although the equipment is high in technical content, the equipment is economicalThe cost input is high and the maintenance cost is large.
1, no battery, the charger can not detect the voltage, it will be protected closed state, no output.
2, coil heating is normal. You need to increase the diameter of the copper wire. There's too much current in there.
3, temperature control circuit. The general wireless charging scheme will have a temperature control circuit and NTC thermistor, which is the main functionIf in order to prevent the heat generated by the circuit in the process of working too high, burn components, etc., you can also control the power components after generating too much heat, reduce the power, thereby reducing the temperature. Selection of heating components. qi standard wireless charging is originally the use of electromagnetic induction, generate current, promote the circuit work.
Protection interface: Wired charging requires frequent insertion and removal of the charging cable, long-term use may cause damage or wear of the interface. And wireless charging eliminates that problem for mobile phonesThe interface can be kept in good condition for a longer time, extending the service life of the phone. Low charging efficiency: Compared with wired charging, wireless charging is less efficient. That means it takes longer for users to fully charge.
Wireless charger is good, convenient, safe and durable; The disadvantages are bondage, high price and low efficiency. Advantages of wireless charger: Convenient: wireless charging belongs to one-to-many charging, which solves the problem that the interface is not applicable, and also avoids the phenomenon of poor contact caused by repeated plugging and unplugging of the mobile phone interface, which can better protect the mobile phone interface.
The benefits of wireless chargingThere are: reduce the loss, high adaptation rate, the disadvantages are: the distance is too small, only the transition technology; The benefits of wireless charging reduce the loss. As we all know, when using wireless charging, you only need to connect the wireless charging board to the power supply first, and then place the device that supports wireless charging on the wireless charging board.
Advantages of wireless charger: in theory, wireless charging technology is safe and harmless to the human body, the resonance principle of wireless charging is magnetic field resonance, which is transmitted only between coils resonating at the same frequency, and other devices cannot accept the band, in addition, wireless charging technologyThe magnetic field used is inherently harmless to the human body.
Although the technical content of the equipment is high, the economic cost of the equipment is higher and the maintenance cost is large. Because of the realization of long-distance high-power wireless magnetoelectric conversion, the energy consumption of the equipment is high. As the distance and power of wireless charging devices increase, the loss of idle work will be greater.
Advantages and disadvantages of mobile phone wireless charging Mobile phone wireless charging is a convenient technological innovation, it eliminates the trouble of traditional wired charging, and users can charge more conveniently. However, it also has some advantages and disadvantages. Benefits: Convenience: Wireless charging eliminates the use of charging cablesHouseholds only need to put the phone on the charger to achieve charging, eliminating the trouble of plugging and unplugging the charging cable.
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