1, magnetic resonance: a new breakthrough in long-distance transmission magnetic resonance technology is a new path, it through the resonator and magnetic field resonance to achieve remote transmission. Especially in the field of electric vehicle charging, efficiency improvement is the focus of research. As shown in Figure 4-2, energy is emitted through the resonance principleThe coil converts electrical energy into electromagnetic waves, and the magnetic induction coil on the back of the phone converts electromagnetic waves into electrical energy to charge the battery.
4. Magnetic resonance A magneto consists of a large inductor coil with a small capacitor in parallel or in series, and the same resonant frequency is a necessary condition for energy transfer. For example, two coils are used as resonators, the transmitting end vibrates at 10MHz to radiate an electromagnetic field around, and the receiving end needs to vibrate at 10MHz to receive this transmitted energy. Radio waves. The principle is to convert environmental electromagnetic waves into current and transmit current through a circuit.
Wireless charging version supports Qi wireless charging protocol function, wireless charging can be achieved on the wireless charging board that supports the protocol, but also supports the use of lightning interface wired charging. Basically the same in appearance, the wireless version of the charging case has an indicator on the front to show the charging status, while the wired version is in the open box.
The location of the charging box indicator is different. The wired indicator light is in the charging box, you need to open the cover to see, and the wireless charging indicator light is in the boxOutside the child. Charging method is different. The wired charging case only supports lightning cable charging. The wireless charging version is equipped with a charging box that supports wireless charging, which can be easily charged by simply placing it on the wireless charging board. The price is different.
The Airpods 2 wireless charging case indicator is located on the outside of the charging case, and you can check whether the charging case is fully charged without opening the cover. The wired charging version of the charging box is the same as the first generation, only supporting the connection of lightning data cable charging. The wireless charging version is equipped with support for wireless chargingElectric charging box, just put it on the wireless charging board can be easily charged, free from plug trouble.
When charging, the indicator light of the charging box is usually orange, indicating that it is charging. When fully charged, the indicator turns green. Wireless charging. For AirPods that support wireless charging (such as AirPods2 and AirPodsPro) and AirPods with wireless charging cases (Generation 3), the charging case can be placed on a compatible wireless charger.
In fact, the difference between airpods wireless charging version and wired charging version, there is and only the charging box is notSame. The charging box of the wired charging version is the same as that of the first generation, which only supports connecting lightning data cable to charge; The wireless charging version is equipped with a charging box that supports wireless charging, which can be easily charged by simply placing it on the wireless charging board, free from plug-in troubles.
Yes. AirPods2 wireless charging version supports Qi wireless charging protocol function, wireless charging can be achieved on the wireless charging board that supports the protocol, but also supports the use of lightning interface wired charging. Wireless charging technology comes from radio energy transmission technology, which can be divided into two ways: low-power wireless charging and high-power wireless charging.
wi-po, short for wireless power. wi-po magnetic resonance wireless charging is the second generation of wireless charging technology launched by Ningbo Weigui Technology, which refers to the rezence standard of airfuel (the original A4WP), using 78M resonance frequency, using Bluetooth 0 for communication. Compared with the traditional first-generation magnetic induction wireless charging technology, the charging area and charging distance are increased by more than ten times, and it can also achieve one-to-many charging.
OPPO's new chapter of wireless charging: The second generation of AirVOOC is ready for OPPO to leadThe new trend of wireless charging technology, the latest IMDA certified model OAWV02 wireless charger seems to be quietly appearing, it is very likely to be an iterative upgrade of OPPO AirVOOC. Following the success of last year's 40W AirVOOC wireless charger (OAWV01), the OAWV02 seems to bring a significant performance boost.
AirPods (second generation) is equipped with QI standard 5W wireless charging technology, which takes about 5 hours to full AirPods. In contrast, if you use a pass