2, SAN An Optoelectronics (60070SH) : SAN An Optoelectronics is one of the well-known semiconductor lighting and display solution providers in China, and it also has a more in-depth research in wireless charging technology. The wireless charging chip developed by the company has been applied in a number of intelligent devices, and has a high market competitiveness. Zte Corporation (00006SZ) : ZTE Corporation is one of China's leading communications solution providers with a global presenceLine charging technology is actively laid out.
3, Shenzhen Fangxin Technology Company, is one of the members of the wireless charging Alliance (WPC), the earliest domestic establishment of high-tech based, product research and development, production and sales as one engaged in wireless charging technology field system solutions provider. Fangxin Technology is the only finished product manufacturer using its own hardware and software technology to pass QI certification.
4, Shuobide (300322) is a professional engaged in wireless communication terminal antenna production enterprises, the main business for wireless communication terminal antenna research and development, production and sales. The company is committed to mobile phonesVarious wireless communication terminal manufacturers, such as laptop computers, AP, mobile TV terminals, satellite positioning terminals, etc., provide a package of antenna solutions. Already layout wireless charging, once the rise, the company or the first to benefit.
5, Shuobide (300322) : the first A-share into the wireless charging communication antenna leader. The company is the domestic communication terminal antenna leading enterprises. Shuobide is a professional manufacturer of wireless communication terminal antennas, the main business is the development, production and sales of wireless communication terminal antennas. The company is committed to mobile phones, laptop computers, AP, mobile TV terminals, satellite fixedA variety of wireless communication terminal manufacturers such as bit terminals provide a package of antenna solutions.
6, Xinwei Communication (300136) : In recent years, the company's product line has expanded from RF series to NFC/ wireless charging, MIM powder metallurgy, audio, testing tools and other categories. At present, NFC wireless charging products have begun to supply Samsung, and the company has the best quality and most complete solutions in this field. Shunluo Electronics (002138) : Wireless charging is one of the most important and expected fastest growing product lines in the future. The company is the domestic inductor leader.
Professional wireless charging : Soft magnetic materials supply to Apple wireless charging field iwatch products. Jinsheng Precision (300083) : The company has wireless charging structure related patents professional wireless charging , and is developing wireless charging ceramic battery cover technology. Klik (002782) : On the interactive platform, it says that professional wireless charging , and has professional wireless charging Technology reserves, will actively carry out strategic layout, seize the opportunity to enter the market.
2, SAN An Optoelectronics (60070SH) : SAN An Optoelectronics is one of the well-known semiconductor lighting and display solution providers in China, and it also has a more in-depth research in wireless charging technology. The wireless charging chip developed by the company has been applied in a number of intelligent devices, and has a high market competitiveness. Zte (00006SZ) : ZTE is one of China's leading communications solution providers with an active presence in wireless charging technology.
3, Yunlu shares (68Annual report: Net profit of 90 million yuan, net profit growth rate of 428%, operating income of 3.9 billion yuan. Toni Electronics (603595) annual report: Net profit of 63 million yuan, net profit growth rate of 376%, operating income of 3.8 billion yuan. Jingquanhua (002885) (002885) annual report: Net profit of 55 million yuan, net profit growth rate of 1180.62%, operating income of 11.1 billion yuan.
Car wireless charger productsBrand recommendation: Belkin (Belkin) wireless charger: Belkin is a well-known brand of electronic products, its car wireless charger quality is reliable, strong compatibility, suitable for a variety of mobile phone models. Romos wireless charger: Romos is a world-renowned mobile phone accessories brand, its car wireless charger design fashion, high charging efficiency, and relatively affordable.
Xiaomi Xiaomi was founded in 2010 in China, its products include mobile phones, home appliances, smart terminals and so on. "Let everyone enjoy the fun of technology" is Xiaomi's vision. Xiaomi uses the Internet for developmentThe model of product development, using the geek spirit to make products, using the Internet model to kill the intermediate links, and is committed to allowing everyone in the world to enjoy high-quality scientific and technological products from China.
Belkin: Belkin is a well-known manufacturer of electronic accessories, and its in-car wireless chargers are known for high quality and stable performance. Belkin's in-car chargers are generally simple in design, easy to install, and have safety features such as overcharge, overmild short-circuit protection. In addition, they tend to provide fast charging speeds, ensuring that the user's phone is fully charged while on the road.
timesAs a brand specializing in the production of chargers, the wireless charger has efficient and stable charging performance, can quickly charge the device, but also has good compatibility, suitable for a variety of devices supporting wireless charging technology.
Belkin wireless charger Belkin is Apple's official cooperation brand, the quality is very OK at first do not understand the meaning of this thing is stupid, and then use it is inseparable, no longer used the data line.
Can buy a noneWire charging receiver professional wireless charging , it is attached to the back of the mobile phone or inserted into the mobile phone charging port, the advantage of this method is that the cost is low, there is no need to replace the mobile phone or dismantle the internal phone, the disadvantage is that it may affect the beauty and feel of the mobile phone, as well as increase the wear and tear of the charging port.
First cut the USB charging cable into two sections not far from the two ports. Use scissors to separate the tail glue of the two wires into a section to screen and then cut off the green wire with a double bottom line. Use hot glue to attach the magnet to the charger. Wrap the wires in the USB with tinfoil. repackGood wires use copper wire to wrap them up. The USB cable with the copper wire rolled up is then wrapped in electrical tape.
Self-made wireless charger 1: External module installation Procedure Attach the module to a place far from the MicroUSB interface. Step Connect the MicroUSB or Lightning port on the module to the phone. Steps If there is double-sided tape on the receiver, you can glue it directly to the back of the phone. If it is not attached, it is necessary to find a way to professional wireless charging . Step to the most appropriate location, be careful not toLet the part of the connecting wire have the phenomenon of warping.
First, understand how wireless charging works. The wireless charging system mainly consists of two parts: the transmitter (usually placed on the charging pad or charging dock) and the receiver (installed inside the phone). The transmitter generates a magnetic field, which the receiver converts into electricity via induction to charge the phone's battery. To add wireless charging to a regular phone, the most critical thing is to install a wireless charging receiver.
Vertically place the mobile phone on the wireless charger to charge: Please place the wireless charging pad on the tray of the wireless charger firstIncrease the tray height, and then place the phone on the wireless charger to charge; Horizontal charging of the mobile phone on the wireless charger: The mobile phone can be directly placed on the wireless charger to charge without placing the wireless charging pad. If the wireless charging pad has been placed before, please remove it first and then charge it horizontally.
The charge efficiency is not high. Once the distance is a little bitThe efficiency of a little charging will be dramatically reduced, and a lot of time and resources need to be wasted to complete the charging, so the use is not meaningful. Safety issues in the charging process. High-power wireless charging equipment will produce a large amount of electromagnetic radiation, which will cause certain adverse effects on health, but also have interference effects on aircraft and communications. The first practical aspect.
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. High-power wireless charging High-power wireless charging is often resonant (most electricityThe power supply device (charger) transmits energy to the electric device, which uses the received energy to charge the battery and at the same time for its own operation.
The principle of wireless charging is actually very simple, in fact, electromagnetic induction, a changing magnetic field can produce an electric field, and a changing electric field can produce a magnetic field. In high school textbooks, Faraday has long taught us the truth of "electromagnetic mutuality". The charging seat and the mobile phone each have a coil, the charging seat is called the main coil, and the mobile phone is called the secondary coil.
Wireless charging is based on electromagnetic inductionManagement, similar to transformer operation, through the transmitter and receiver coil design! --. The transmitting coil releases electromagnetic signals under electric drive, and the receiving coil captures these signals and converts them into current to achieve contactless power transmission. Electromagnetic waves, composed of electric and magnetic fields, can travel through space and are the key to wireless charging energy transfer.