1, yes, but not metal shell. The best distance of wireless charging is 2-4mm, the coil can not be directly close, so it is just the best distance between the mobile phone shell and the wireless charging shell.
2, wireless charging: the mobile phone standard protection shell has no impact on wireless charging, if you use other protective shells, it is recommended to remove the protective shell and then wireless charging the mobile phone. Note: The metal protective shell will interfere with the wireless charging signal and affect the wireless charging function. In order to get a good charging experience, please use non-metallic protective case, it is recommended to use the original protective case.
3. Wireless charging will not slow down the charging speed. Wireless charging is possible with a phone case. The phone case is not affecting wireless charging. Unless your phone case is very thick, has been isolated from the charging bank and mobile phone contactIn addition, you will not be limited in charging, you can directly charge, and charging will be very fast, will not affect the speed of charging.
The principle of wireless charging is that through near-field induction, the wireless charging device conducts energy to the charging terminal device, and the terminal device converts the received energy into electrical energy and stores it in the battery of the device. The principle of energy conduction is inductive coupling, which can ensure no externalThe conductive interface of the dew can not only eliminate the messy transmission line between the equipment, but also be safer for electronic devices such as electric toothbrushes that are often in contact with conductive media such as liquids.
The principle of wireless charging technology is electromagnetic induction, magnetic field resonance, radio wave and so on. Electromagnetic induction type primary coil a certain frequency of alternating current, through electromagnetic induction in the secondary coil to produce a certain current, thereby transferring energy from the transmission end to the receiving end.
The so-called wireless charging, in fact, is a very simple physical principle, it is the use of electromagnetic wave induction to charge the mobile phone, our physics in middle schoolWe learned the concept of electromagnetic induction in class, when a current passes through a coil, a magnetic field is generated, and when the magnetic flux of a closed circuit changes, an induced electromotive force is generated.
The principle is to use electromagnetic induction, that is, to divide a transformer into two halves, rely on electromagnetic induction to charge the part to get the corresponding voltage. Wi-Fi, the Chinese name for wireless fidelity, is a technology that can connect terminals such as personal computers and handheld devices (such as pads and mobile phones) to each other wirelessly, in fact, it is a high-frequency radio signal.
This method is considered harmless to humans, but it must be worked in close proximity. The new system solves the problem of distance by being made of metamaterials that can manipulate higher frequencies of microwaves in a specific way, ensuring that the electromagnetic field covers all small devices in the entire room, and even extends outside the house for up to 10 meters.
The distance of wireless chargers produced by different manufacturers will be different, generally speaking, effective charging can be achieved within 2 to 3 meters.
The transmission distance of high-power wireless charging is generally 0.9-2 metersThe 5-meter wireless charging technology can be divided into two ways: low-power wireless charging and high-power wireless charging. Low-power wireless charging often uses electromagnetic induction, such as the Qi method of charging mobile phones, but ZTE's electric vehicle wireless charging method uses induction.
The wireless charger distance produced by different manufacturers will be different, generally speaking, inEffective charging can be achieved within 2 to 3 meters.
Currently known reports, the farthest distance is 10 meters, using electromagnetic wave technology. The existing wireless charging technology uses magnetic field, electromagnetic wave, laser, ultrasonic and other energy transfer media. The 10-meter technology mentioned above, which uses electromagnetic waves as a medium, remains in the laboratory stage. At present, the commercial technology on the market is mainly magnetic field as the medium, which is divided into magnetic induction and magnetic resonance 2 technologies.
Wireless charging of transmit and receive coil distance of about 8mm. The QI standard is not just the distance between the two, but the two wireless chargingThe standard of frequency and communication protocol of electrical hour. This distance is a maximum distance, beyond which the efficiency of wireless reception is very low. So it doesn't have to be 8mm.
In addition, the characteristics of this air charging is that the distance is farther and because the number of mobile phone receiving antennas is large, even if it is handheld or placed in the trouser pocket, it can be charged within a few meters. You can imagine installing a few of these charging piles at home or in the office, basically you can really get rid of wired charging. In terms of power, each device can achieve 5W charging power, and it will not lose work because of more devicesRate.
In order to have a very free experience on the distance, at least the distance between the charging transmitter and the receiving end is more than 1M, so that if I sit at the desk, I can hold the phone without considering turning the phone off and charging, it is best to have several meters, and can charge at will in the room.
Hello, Nokia 920 wireless charging needs to be placed on the charging board, can not be taken away, there is a charging pillow, practical. PS: Wireless charging technology is completely without the use of wires, the use of magnets to charge the device technology. Wireless charging technology, derived from wireless power transmission technology, uses magnetic resonance in chargingThe electric charge is transferred in the air between the device and the device, and the coil and capacitor form a resonance between the charger and the device to achieve efficient transmission of electric energy technology.
Dear Samsung users hello: Samsung S6 if using wireless charging must put the phone on the wireless charger, zero distance contact.
The wireless charger distance produced by different manufacturers will be different, oneGenerally speaking, effective charging can be achieved within 2 to 3 meters.
The S6 has a built-in wireless charging coil that supports wireless charging. You need to purchase a wireless charging dock separately, and you can easily charge your phone wirelessly by simply placing it on a compatible charging dock.
The wireless charger of Samsung S6 must be placed accurately, because the QI technology used, the transmitter coil and the receiving coil are relatively small, and there can be no misalignment. It is also for this reason that Samsung's wireless charging mobile phones, or other similar QI wireless chargers, have not been promoted.
2, the wireless charger distance produced by different manufacturers will be different, generally speaking, within 2 to 3 meters can achieve effective charging.
3, generally about 0.9-2 meters high-power wireless charging transmission distance up to 5 meters wireless charging technology can be divided into low-power wireless charging and high-power wireless charging two ways. Low-power wireless charging often uses electromagnetic induction, such as the Qi method of charging mobile phones, but ZTE's electric vehicle wireless chargingElectric mode adopts induction type.