Second status quo of wireless charging , when using wireless chargers status quo of wireless charging , if the device is not correctly aligned with the charging pad or the charging distance is too far, it may lead to reduced charging efficiency. Frequent interruptions during the charging process will also cause additional wireless charging status burden on the battery. Frequent charging interruptions may cause the battery to constantly re-enterCharging state, in the long run will accelerate the loss of the battery. In addition, the quality of wireless chargers on the market varies. Most models do not support wireless charging because of the technology and cost of wireless charging, generally low-end models do not support wireless charging, only those high-end flagships have wireless charging function. This means that only users who can afford high-end flagship have the opportunity to use wireless charging, the target group is limited, and it is still a relatively small part of the market, which cannot be popularized.
Some use accessories that do not pass the certified charger or the case installed on the phone may be on the charge caseThe device causes interference, resulting in slow charging or low charging efficiency. In addition, long-term use of wireless charging may cause the battery temperature to be too high, which will lead to a decline in battery life. In order to avoid this problem, it is recommended to choose brand certified chargers and housings, and properly control the use time and frequency of wireless charging.
Wireless charging itself will not cause damage to the battery, but the charging temperature is too high or too low and the charger material and other factors will have an impact, so it is recommended to use a regular genuine charger, and avoid a long time of fast charging. Wireless charging is a short-range wireless charging technology. Compared with traditional wired charging,rong> Wireless Charging Status : Mobile phone wireless charging function is not a standard feature of all mobile phones Wireless charging status . At present, most of the mobile phones on the market are still using the traditional wired charging method, which needs to be charged by connecting the charger and data cable. Wireless charging is usually an additional feature that requires a phone model with this feature to be selected at the time of purchase.
Not all handsThe machine supports wireless charging, and the mobile phone with wireless charging technology supports wireless charging. Wireless charging technology, derived from wireless power transmission technology. Wireless charging, also known as inductive charging, non-contact inductive charging, is the use of near-field induction, that is, inductive coupling, by the power supply device (charger) to transmit energy to the power device, the device uses the received energy to charge the battery, and at the same time for its own operation.
Some mobile phones support wireless charging function, mobile phones that support wireless charging are Wireless charging status : Huawei Mate 40EPro, Huawei P50 Pro, Huawei Mate 40E, Huawei Mate 40 Pro, Huawei Mate 30 Pro, Huawei Mate 20 Pro, Huawei P40 Pro, etc.
Use the principle of electromagnetic induction for charging wireless charging status equipment Wireless charging status , its principle is similar to the transformer, through the transmitterAnd the receiving end of the coil is set, the transmitting end of the coil in the power wireless charging status to send an electromagnetic signal, the receiving end of the coil receives the electromagnetic signal and converts the electromagnetic signal into current, so as to achieve the purpose of wireless charging.
The basic principle of wireless charging is to convert the current into a magnetic field, which is transmitted through the air and then converted into a current to be transmitted to the intelligent terminal. When the system works, the input end converts the AC mains into direct current through the full bridge rectifier circuit, or uses the 24V direct current end to supply power to the system directly. After passing through the power management module, the DC output passes 2MThe active crystal oscillator is converted into high frequency alternating current to supply the primary winding.
The working principle of the wireless charger is mainly induced by magnets. When we place the phone in the inductive area of the wireless charger, the magnetic field generated by the magnet will generate an inductive current inside the phone. This current creates a voltage through the phone's electrical system, which charges the phone. Unlike wired chargers, wireless chargers transmit energy through magnetic fields rather than wires or cables. The key to this working principle is the establishment of magnetic fields.
Immature, more lines, low efficiency, large heat. Be quick and hard. It is easy to fall off the base when the incoming power vibrates. Add a wireless charging bank to your travel jacket to make a pocket, and you can charge your phone wirelessly. If the pocket does not dissipate heat, it is still easy to catch fire and smoke. You can warm your hands in winter.
iphone wireless charging does not hurt the battery. The principle of wireless charging is the built-in wireless charging function in the mobile phone, only need to put the mobile phone on the wireless charger, and wireless charging technology has been very mature, no damage to the battery behavior; Avoid playing with your phone while chargingYou can extend battery life by charging your phone for a long time. Because wireless charging uses the magnetic induction principle to charge the iPhone.
(D) The common sense of science and technology. AB two correct, wireless charging technology, also known as inductive charging, non-contact inductive charging, derived from wireless power transmission technology, is the use of near-field induction, that is, inductive coupling (no wire connection between the power supply device and the electrical device), by the power supply device (charger) to transmit energy to the electrical device, the device uses the received energy to charge the battery. And at the same time for its own operational purposes.
It is the first generation of mobile phone wireless charging, and the technology is mature, but it can only be single-to-single short-range charging (qi standard, within 1cm, within 5 watts), rather than single-to-multiple charging like WiFi.
2, mobile phone wireless charging is not popular, mainly because the experience of wireless charging is very rubbish. Of course, the high price is also a very important factor. In terms of experience, mobile phone wireless charging has shortcomings. Wired chargeCompared with the electric way, the wireless charging speed of mobile phones is not only slow, but also the use of wireless charging is very inconvenient. Slow charging speed: Since the Samsung Note 7 explosion, mobile phone wireless charging power has been castrated by manufacturers.
3, wireless charging charging speed is very slow, which is hard. Now is the world of high-power fast charging, although each fast charging solution is not the same, but the power is maintained at about 18w, high and even to 24w, accustomed to an hour and a half full, but now to go back to the past, 5w 8w maximum 10w charging speed, is really not acceptable, and can notMove. It's out of position, lower speed. Second, the speed of wireless charging is really very slow, extremely low efficiency, its power is mostly within ten watts, and our mobile phone now wired charging power is generally more than 18 watts.
5, the impact of the two charging methods on the phone is the same. In fact, there is no distinction between good and bad mobile phones, and what really affects mobile phones is the mobile phone charging itself. The difference between wireless charging and wireless charging is that wireless charging makes charging the phone more convenient. Wireless charging, as long as the mobile phone has a built-in wireless charging function, or is installed with a receiver, butAfter placing the phone on the wireless charger, the phone can be charged.
6, the difficulty of popularization is still very large, the vast majority of people are still using the traditional data line charger.
1, charging power limited wireless charging status , charging technologyThe current mobile phone power upgrade is very fast, a day to improve a power, from the original 18W fast charge into a variety of fast charge power, 30W, 45W, 65W, and now 120W super fast charge power, which also leads to the current world of wireless charging board a lot of very mixed, If you choose the wrong one, you will not experience the full charging power. 2, because there is a heating problem in the electromagnetic conversion process, taking into account the safety of electricity and other factors, so in 2021, China's Ministry of Industry and Information Technology released a device technology for wireless chargingRequirements, which have clear provisions wireless charging status : wireless charging rated power shall not exceed 50W. In order to comply with this regulation, manufacturers have to control the power. This is also a reason for the gradual disappearance of wireless charging.
3, due to the heating problem in the electromagnetic conversion process, taking into account the safety of electricity and other factors, manufacturers have to control the power. This is also a reason for the gradual disappearance of wireless charging. After all, wired fast charge has developed to 120W, and the fast charge carried by most mobile phones is more than 60W, which has surpassed the wireless fast chargeIn other words, wireless charging has gradually opened the gap with wired fast charging because of the technical requirements of the equipment.
4, that is, the power of the universal charge is particularly large, many people who have used the universal charge know that their mobile phone battery is more and more charged, the more and less power is charged, originally full of 100% can be used for two hours, but to the back, it may only be used for half an hour.
5, the system setting logic is chaotic, for a person who has used it for more than a year, and often tinker with the mobile phone, wireless charging status I can't remember some Settings nowLocation, I hope next month one ui can give me a surprise greasy, of course, this may be a common problem of mobile phones, for a person with skin oil, clean and clean mobile phones in the morning, go back at night, can not bear to look directly at the fingerprints and oil before and after.
6, the disadvantages of wireless charging efficiency is slightly lower: the general charger also has a transformer, but the wireless charging transformer composed of the transmitting coil and the receiving coil is limited in structure, and the energy transmission efficiency is theoretically slightly lower than that of the general charger. Slow charging speed: Due to the current mobile phone and other receiving devices, most limit the input power, so the charging speed is slow。< / p >