In simple terms wireless backcharge in the middle of the coil can , wireless charger is actually relying on the energy of electromagnetic wave Wireless backcharge in the middle of the coil can , the electromagnetic wave into electrical energy a charging mode.
Mobile phone space charging technology is to install the transmitter coil on the wireless charging base, install the receiver coil on the back of the mobile phone,When the mobile phone is charged near the charging seat, the transmitting coil can be connected to the wireless backcharging coil in the middle of the alternating current, which will produce an alternating magnetic field. 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 electromagnetic resonance wireless charging technology is the same as the resonance principle of sound Wireless backcharging can have a coil in the middle : an energy sending device and an energy receiving device are adjusted to the same frequency when resonatingEnergy can be exchanged so that a coil in one device can transfer power to a coil in another device over a long distance to complete the charge.
Wireless charging base to increase the coil, or do not modify it, you increase the coil not only did not play a good effect but affect the speed of charging, increasing the coil is equal to increasing the resistance, it will make the current slow, the coil is proportionally wound,Too much or too little can not, coil around less, there will be damage to the parts, resulting in parts burned spark, because some do not freely modify the wireless charging base.
Wireless charging will not accelerate battery aging, will not have radiation to the body. The principle of wireless charging is electromagnetic induction. The charging dock is like an iron core with some primary coils wrapped around it. Cell phones have secondary coils built into them. The primary coil is energized to generate electromagnetic induction, so that the secondary coil generates induction voltage, and generates induction current to charge the mobile phone after loading. So don't worry.
No, excessive increase in voltage or increase the number of turns willBurn the battery, because the more you turn the higher the voltage, I don't know if your homemade 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.
The secondary winding is broken, the wireless charging coil has two windings, one is the main winding, one is the secondary winding, after the secondary winding is damaged, it will cause the main winding to heat, and the output has no voltage. There are also manufacturers of auto parts, temperature sensors, hearing AIDS, and even medical instruments. The technology got therestrong>, will produce electromagnetic induction. The alternating current generated at the charger end will create eddy currents in the magnetic field, and the receiving coil at the mobile device end will sense this eddy currents. In this way, power is transferred from the charger to the mobile device.
2, electromagnetic induction type wireless backcharge in the middle of the coil can be : The fundamental principle is the use of electromagnetic induction principle, similar to a transformer, the primary coil of a certain frequency of alternating current, through electromagnetic induction in the secondary coil to produce a certain current, thereby transferring the energy from the transmission end to the receiving end. High conversion efficiency, madeThe price is cheap, but the transmission distance is short and easy to be affected by the placement.
3, wireless charging methods include electromagnetic induction, magnetic resonance, electric field coupling and radio wave transmission, wireless charging of mobile phones mostly uses the principle of electromagnetic induction. Electromagnetic induction wireless charging, when the current of the power supply through the coil (wireless charger power supply coil) will generate a magnetic field, its wireless back charge in the middle of the coil can his unenergized coil (mobile phone end of the coil) close to the magnetic field will generate current, charging for the mobile phone.
No. Each wireless charging coil will have a certain wireless backcharging in the middle of the coil can energy loss Wireless backcharging in the middle of the coil can , Is it possible to increase the number of coils in the middle of wireless backcharging? Will the overall charging efficiency decrease? Is it possible to increase the number of coils in the middle of wireless backchargingLoss and mutual interference Wireless backcharging in the middle of the coil can , thereby reducing the efficiency of wireless charging; And increasing the number of coils requires more coils and associated circuits to be installed in the device, which increases design complexity and cost.
The number of wireless charging coils is based on the number and size of the device to be charged by the charging device. In theory, the more coils there are, the more efficiently the device can be charged, because the device can receive the charge at any location. However, if the number of coils is too large, it will increase the cost and volume, which is not practical or economical. Therefore, based on NoSelect the appropriate number of coils for the same charging requirements.
Magnetic resonance charging, the principle is the same as the resonance principle of sound. Coils of the same vibration frequency arranged in a magnetic field can exchange energy with each other. If the coil is large enough, long-distance transmission is also possible, but high efficiency, miniaturization is more difficult.
Wireless charging base to increase the coil, or do not modify it, you increase the coil not only does not play a good effect but affects the speed of charging, increasing the coil is equal to increasing the resistance, it will make the current slow, the coil is proportionally wound, too much too little can not, coil wound less, it will be harmfulBad parts, resulting in parts burning cause sparks, because some do not arbitrarily modify the wireless charging base.
Not far. Metal heats up. Not as efficient as a direct connection. The so-called damage to the battery is impossible. Instead, it protects the battery. Because it's not limited by oxidation. No connection is required to cause interface aging. The battery will explode if the controls are not properly controlled. At present, only Core Tech has anti-metal solutions. Can do it in the battery. Nothing else is safe.