This article gives you a talk about news information wireless charging, and wireless charging popularization of the corresponding knowledge points, I hope to help you, do not forget to collect the site oh. < / p > < h2 > the article directory list: < / h2 > < ul > < li style = 'margin - bottom: 3 px; list-style: none'>1, How does wireless charging work?
Wireless charging, also known as inductive charging or non-contact inductive charging, based on the principle of electromagnetic induction, it is not necessary to transmit 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.
The basic principle of wireless charging is to transfer electricityIn exchange for a magnetic field, the magnetic field is transmitted through the air and then converted into a current to be transmitted to the intelligent terminal. When the system works, the input end converts the AC mains into direct current through the full bridge rectifier circuit, or uses the 24V direct current end to supply power to the system directly. After passing through the power management module, the output direct current is converted into high-frequency alternating current through the 2M active crystal oscillator inverter to supply the primary winding.
The principle of wireless charging technology is "magnetic electricity", simply put, through the charging device and the mobile phone device installed on the two "magnetic equipment" mutual induction and formation of current. At present, wireless support has appeared in mobile phones, electric vehicles, smart furniture and other fieldsCharging the product. Among them, in the mobile phone industry, the "Qi standard" is the most common, and Qi labels are often used in the packaging of many mobile phones and wireless chargers.
Wireless charging, also known as inductive charging, non-contact inductive charging, from wireless power transmission technology, is the use of near-field induction, that is, inductive coupling, by the power supply device (charger) to transmit energy to the power device, the device uses the received energy to charge the battery, and at the same time for its own operation.
Wireless charging system mainly adopts the principle of electromagnetic induction. Wireless charger refers to the use of traditional chargingThe electric power line is connected to the charger on the terminal device that needs to be charged, using the latest wireless charging technology, by using the magnetic field generated between the coils, the magic transmission of electrical energy, inductive coupling technology will become a bridge connecting the charging base station and the device.
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In addition, Xiaomi's intelligent tracking wireless charging device, just put the phone gently on either side of the charging plate, the small green light will automatically track and start to provide fast charging service for the phone, and even charge two devices at the same time. Xiaomi's self-developed air separation charging technology is a highlight, the phone does not need to touch, as long as within the set range, you can achieve wireless charging.
First of all, the balance of price and performance is a highlight of millet wireless charger. The 20W wireless charger purchased at the price of 99 yuan, its appearance design, charging efficiency and texture quality can make people feel superIt's worth it. The product's dual coil design, whether vertical or horizontal, enables stable and efficient charging to meet the needs of different use cases.
Different from most charging solutions on the market that require careful debugging, Xiaomi's wireless charging board provides stable power support for each device with a powerful combination of 60W and 20W output, and devices compatible with Qi wireless charging technology can be easily accessed. This not only reflects millet's careful consideration of the user experience, but also a strong proof of technological innovation.
Xiaomi has a clear charging technology roadmap for future flagship phonesAll high-end models will be equipped with triple fast charging technology, including high-speed wired charging, high-speed wireless charging, and high-speed wireless reverse charging, bringing users unprecedented convenience. Then, on January 29, 2021, Xiaomi again launched a major technological innovation: the independent research and development of space charging technology, with 17 technical patents, undoubtedly marking a new milestone in wireless charging technology. Compared with previous wireless charging methods, air separation charging technology no longer relies on the charging base, whether it is a handheld phone or a mobile phone in a pocket, wireless charging can be achieved.
At the same time, Xiaomi has also made full consideration in terms of security, through multiple security protection measures to ensure the safety and stability of the wireless charging process. In general, Mi 14 supports wireless charging, which not only shows Xiaomi's strength in technological innovation, but also meets consumers' demand for convenient charging methods.
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Wireless chargingPrinciple: electromagnetic induction. The charging base and the mobile phone terminal have built-in coils respectively. When the two are close, the transmitting coil generates a certain current in the mobile phone receiving coil based on the alternating current of a certain frequency through electromagnetic induction, thus transferring the electrical energy from the transmitting end to the receiving end, and then starting to supply power to the mobile phone from the charging seat. Magnetic resonance.
Wireless charging, also known as inductive charging, non-contact inductive charging, from wireless power transmission technology, is the use of near-field induction, that is, inductive coupling, by the power supply device (charger) to transmit energy to the power device, the device uses the received energy to charge the battery, and the sameFor its own operational purposes.
The basic principle of wireless charging is to convert the current into a magnetic field, which is transmitted through the air and then converted into a current to be transmitted to the intelligent terminal. When the system works, the input end converts the AC mains into direct current through the full bridge rectifier circuit, or uses the 24V direct current end to supply power to the system directly. After passing through the power management module, the output direct current is converted into high-frequency alternating current through the 2M active crystal oscillator inverter to supply the primary winding.
The principle of wireless charging technology lies in "magnetic electricity", which is simply to feel each other through the charging device and two "magnetic equipment" installed on the mobile phone deviceThe reaction forms an electric current. At present, products supporting wireless charging have appeared in mobile phones, electric vehicles, smart furniture and other fields. Among them, in the mobile phone industry, the "Qi standard" is the most common, and Qi labels are often used in the packaging of many mobile phones and wireless chargers.
At present, wireless charging completely belongs to the blue ocean market, mobile devices will cancel the wired charging interface in the next two years, and the wireless charging field will usher in a period of rapid growth, with the proportion of mobile phones with wireless charging functionIt can be as high as 90%. In the future, wireless charging, as a national new energy technology innovation industry, will become a key support object, and will be popularized to all aspects of life, and will also usher in greater dividends. Of course, wireless charging is a technology, not only in electric vehicles, but in the future, our lives may include household appliances, mobile phones, and so on will be promoted. Wang Lifang: "The layout of charging facilities must be decentralized" China Power News: What do you think is the biggest obstacle to the development of electric vehicles? Wang Lifang: I think the few problems facing electric vehicles should include the reliability of the whole vehicle and the ease of chargingProblems, charging price problems, etc.
However, the continued development of the technology bodes well for a brighter future for wireless charging. Future wireless chargers will have higher charging efficiency and faster charging speed. At the same time, as the technology matures, the market price of wireless chargers is expected to gradually decline, so that more people can afford and enjoy the convenience brought by wireless charging. Therefore, wireless charging technology not only brings convenience to life, but also shows broad prospects for innovation and a bright future.
At present, the wireless charging market is a blank, completely belongs to the blue ocean market, and there are business opportunities everywhere, and all kinds of signs show thatWireless charging will certainly be the mainstream power supply method of electronic equipment in the future, which will be an unprecedented dividend and tuyere, and is worth investing in. At present, there are cloud rich brands doing well in China.
The cost is high. The biggest problem in promoting wireless charging technology is the cost. Data show that the cost of wireless charging road per kilometer is as high as 9 million yuan, large-scale laying of wireless charging system not only needs to invest a lot of money in the early stage, but also needs to invest high maintenance costs in the later stage. Low charging power.
Changing wireless charging market Wireless charging market in recent yearsIt is growing rapidly and is expected to reach $9.3 billion in 2017. After the two camps of A4WP and PMA have experienced mutual compatibility and the merger of technical standards, they will work to integrate magnetic resonance and magnetic induction technology to create a more unified wireless charging standard. With the advancement of technology and the unification of standards, the future development prospects of wireless charging are broad.
The introduction of wireless charging and wireless charging is over. Do you know if you can find the information you need? If you want to know more about this, remember to follow this site. < / p >