1, first, prepare the wireless charging kit, including the battery cover and the necessary tools. Weld cell cover contacts to test kit. Then, connect the welded wire to the phone charging pin to confirm the connection is correct. Then, carefully remove the induction coil, install it on the phone, weld the charging pin, and finally test whether the wireless charging function is positiveOften displayed.
2, open the back cover of the smartphone, and then take out the wireless charging receiver ready; Or the protective layer of double-sided tape peel; The next task is to connect the receiver's metal shock to the smartphone battery, which is the most difficult part of the process. However, as long as you are careful to ensure that each metal shock is connected together, it can be done.
3, like the original wifi and Bluetooth technology, wireless charging technology will fundamentally change people's use of mobile phones. The wireless charger is actually a device that uses the principle of electromagnetic induction to chargeSimilar to a transformer, there is a coil at each end of the sending and receiving ends, the sending end coil is connected to the wired power supply to generate electromagnetic signals, and the receiving end coil senses the electromagnetic signals at the sending end to generate current to the electrical equipment.
4, the mobile phone standard charger and data cable connected to the wireless charger, and then the mobile phone is/horizontally placed in the center of the wireless charger base, you can achieve wireless charging, the indicator light will have a breathing effect, 5 seconds after the extinguish, plug and play, convenient and quick.
5, one of the self-wound coil is connected to the charging circuit, 555 output pin (the third pin) is connected to an output tube (2.5W Super Fast Charge and 15W Wireless Fast Charge
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Simply put, the wireless charger is actually a charging mode that relies on the energy of electromagnetic waves to convert electromagnetic waves into electrical energy.
There is still a lot of space for the development of wireless charging technology, electromagnetic induction is only one of them, in addition, there are theoretical technologies such as magnetic resonance to support the space charging, interested in their own understanding. Finally, if you are using wireless charging, be sure not to put the bus card with a chip, bank card, etc. near the wireless charger, which may be degaussed and bring unnecessary trouble.
The implementation of air separation charging technology requires a close cooperation between the mobile phone and the charging device. First, the charging device needs to accurately identify the location and charging needs of the phone to adjust the frequency and strength of the magnetic field. Second, the mobile phone needs a built-in efficient receiving coil and charge management chip to ensure that the magnetic field energy can be quickly received and stably converted into electricity.
Complete the phone charging process. The wireless charger connected to the power supply excludes the patented technology to control the size of the current and magnetic flux parameters, which is essentially a pile of wires that are regularly tangled together. During its access to 220V household AC, it willForm a closed loop loop, the closed loop will produce a magnetic field because of the action of alternating current, and the magnetic flux of the magnetic field will change accordingly, which can be understood as the magnetic force will change.
Radio wave type: The working principle is to convert environmental electromagnetic waves into current and transmit current through the circuit. The transmission distance of this wireless charging method is greater than 10 meters, which is suitable for long-distance low-power charging, and can also realize automatic charging anytime and anywhere. However, because of the low conversion efficiency of the originalBecause, if you use this way, the charging time will be longer. But Xiaomi's technology is different from all three. Of course, the principle of air separation charging and wireless charging is the same, they are the use of reverse charging and the directional movement of the charge in the pool to achieve the effect of charging, respectively, battery induction and radio waves, not only high charging efficiency, but also very fast. Charging can also be achieved with no conditions or insufficient conditions.
There is an electromagnetic signal emitted in the sending single coil, and the receiving single coil can receive the electromagnetic signal emitted, and thenThe electromagnetic signal is converted into current, and the current enters the phone, thus achieving the effect of wireless charging. In simple terms, the wireless charger is actually a charging mode that relies on the energy of electromagnetic waves to convert electromagnetic waves into electricity.
The working principle of electromagnetic induction wireless charging technology is: the transmitter coil is installed on the wireless charging base, and the receiving coil is installed on the back of the mobile phone. When the mobile phone is charged near the charging base, the transmitter coil will generate an alternating magnetic field due to the access of AC power. The change in the magnetic field generates an induced current in the receiving coil, which transfers energy from the transmitting end to the receiving end, and finally completes the charging process.
Mobile phone space charging technology is to install the transmitter coil on the wireless charging base, and install the receiving coil on the back of the mobile phone. When the mobile phone is charged near the charging base, the transmitter coil will generate an alternating magnetic field due to the access of alternating current. The change in the magnetic field generates an induced current in the receiving coil, which transfers energy from the transmitting end to the receiving end, and finally completes the charging process.
The principle of air separation charging? Space charging application scenario? The biggest difference between the so-called "wireless charging" and the previous "wireless charging" is that the mobile phone can be charged without being placed on the charging pile, and can be picked up and charged when moving. This itemThe technology relies on microwaves, which can travel through free space and are currently used in the field of communications.