On the back of the machine, right in the middle. The irregular round part in the middle of the picture is the part that charges (or discharges) wirelessly.
After the wireless charger is powered, directly place the phone screen facing up in the center of the charger or the position suggested by the manufacturer to charge.
No. Wireless charging needs to be hardHuawei p40 does not have built-in wireless charging related hardware, which is the lack of hardware, software upgrades can not magic out the related hardware. The following is the schematic diagram of wireless charging. The mobile phone has a built-in coil, and the wireless charging base also has a coil. The energy is transmitted by electromagnetic wave, and then the coil is converted into electricity to achieve the purpose of charging.
Place the charging base flat on the table, connect the data cable to the base, and plug the other end of the data cable into the power supply. Place the Huawei p40pro with the screen facing up in the center of the wireless charger. After you complete the above operations, you hear the promptA green charging sign appears on the screen of Huawei p40pro, indicating that the connection is being charged.
1. Yes. The operation steps are as follows: First, according to the circuit needs wireless hollow coil drawing view , select the winding method: First, determine the size of the inner diameter. Then according to the inductance value and resistance and other factors to determine the coil layer number, height, outside diameter and so on. Wireless charging coil is suitable for short wave, medium wave circuit Wireless hollow coil drawing views , its Q value can reach 150-250, and has a high stability.
2, the same size. The same size and as close as possible, otherwise it will have no effect, low conversion efficiency.
3, can not, excessive increase in voltage or increase the number of turns will burn the battery, because the more you turn the higher the voltage, I do not know whether your self-made charger is Qi program, if it is Qi, it is not possible, this must be close contact, you have to change to radio wave type, within five meters.
4, sometimes the iPhone protective case is too thick will also lead to wireless charging, then you can try to remove the iPhone protective case, and then put back on the wireless charging board to charge.
5, the use of electromagnetic mutual inductance phenomenon, through the magnetic field coupling of the two coils can complete the transmission of electrical energy. Below, we discuss how to efficiently complete the transmission of electricity. This involves how the coil is wound, placed and how to control the charging power. Wireless charger refers to the use of electromagnetic wave induction principle for charging equipment, the principle is similar to a transformer. There is a coil at the sending and receiving ends, and a coil at the sending endConnecting a wired power supply generates an electromagnetic signal.
6, if you use vivo mobile phone, you can refer to the following information: wireless charging, also known as inductive charging or non-contact inductive charging, based on the principle of electromagnetic induction, it is not necessary to transfer electricity to the device like the traditional wired charger, but the device that needs to be charged can be charged by contacting the wireless charging base.
Simple
If there is double-sided tape on the receiver, you can glue it directly to the back of the phone. If not attachedThen you have to figure it out yourself. Choose the most suitable position, be careful not to let the part of the connection line have the phenomenon of warping. Then you can put the phone on the wireless charging dock to experience the wireless charging function. The next task is to connect the receiver's metal shock to the smartphone battery, which is the most difficult part of the process.
ready-made. Charging base, charging back sticker, charging head or charging treasure, charging line, assembled, can be wireless output wireless input, still can be wired charging; Wireless charging waste electricity is certain, slow charging, low efficiency, heat, can not be separated from the base.
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