Wireless charging system mainly uses the principle of electromagnetic induction. Wireless charger refers to the charger that does not need to be connected to the terminal device that needs to be charged without the traditional charging power cord, using the latest wireless charging technology, through the use of 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 equipment.
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's power supply coil) will generate a magnetic field, other unenergized coil (mobile phone side of the electric coil) close to the magnetic field will generate current, charging the mobile phone. As shown below.
If the vivo mobile phone is used, wireless charging is also known as inductive charging or non-contact inductive charging, based on the principle of electromagnetic induction, the device that needs to be charged can be charged by contacting the wireless charger after being energized.
It is the first generation handWireless charging, the technology is mature, but only single to single short distance charging (qi standard, within 1cm, within 5 watts), and can not be similar to WiFi single-to-multiple charging.
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.
Finally will handThe machine can be placed on the unlimited charger, note that the wireless charging induction area of the mobile phone is generally the middle of the mobile phone.
2, small power wireless charging often uses electromagnetic induction, such as opponentsThe Qi mode of machine charging, but ZTE's electric vehicle wireless charging mode uses induction. High-power wireless charging usually adopts a resonant mode (most electric vehicle charging uses this mode) by the power supply device (charger) to transmit energy to the electric device, which uses the received energy to charge the battery, and at the same time for its own operation.
3, if the use is vivo mobile phone, wireless charging is also known as inductive charging or non-contact inductive charging, based on the principle of electromagnetic induction, do not need to be like the traditional wired charger need transmission cable to transmit electricity to the device, but will need to charge the device and wireless charging>
1. WPC is the Wireless Charging Alliance. The Wireless Power Consortium was formed on December 17, 2008, as a collaborative organization of several independent companies. It aims to create and promote widespread market adoption of Qi, an international wireless charging standard compatible with all rechargeable electronic devices.
2, the World Petroleum Congress (WPC) is an international petroleum representative body, non-government, non-profit international petroleum organization, isRecognized as the world's authoritative petroleum technology forum.
3, Qi, the full name of the Wireless Power Consortium (Wireless Power Consortium, referred to as WPC) masterpiece, it defines a universal wireless charging standard. This standard is "convenient" and "universal" as the core, ensuring that different brands of products only need to have the Qi logo, can be seamlessly connected with any QI-compatible wireless charger.
4, its official English name is Wood & Biofiber Plastic Composites, short for WPC. It is mainly made of wood chips, bamboo chips, wheat straw, rice chaff, peanut shell, cotton straw and other primary biomass materials, using the principle of polymer interface chemistry and plastic filling modification technology, mixed with plastic base material according to a specific proportion, through special processing. This material has remarkable reversible recycling characteristics, a variety of forms and structures, and is one of the basic materials.
5, Qi standard: Qi is the world's first standardization organization to promote Wireless charging technology - Wireless Power Consortium (WPC) launchedThe "wireless charging" standard has two characteristics: convenience and versatility.
Wireless charging technology; Wireless charge technology is derived from radio energy transmission technology, which 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 car wireless charging method uses inductive mode.
The Chinese interpretation of WXT is wireless transmitter, its pinyin is wu xian f she j. In technical documents and device descriptions, it is often used to describe applications such as digital pens (with built-in cameras and wireless transmission capabilities) that automatically take and transmit conference pictures, power enhancements for wireless charging transmitters, or, as proposed by the Wisconsin researchers, wireless transmitters built into heels to replace data cables.
wireless charger zhidao Universal wirelesscharger UK [t Alpha: d (r)] US [t Alpha: rd (r)]n. Charger; The principal or complainant; An officer's mount or horse; He forgot the charger for his mobile phone. He forgot his cell phone charger.
Universal wireless charger English [t Alpha: d (r)] US [t Alpha: rd (r)]n.Charger; A principal or complainant; An officer's mount or horse; He forgot the charger for his mobile phone. He forgot his phone charger.
Qi wireless charging refers to the application of Qi wireless charging standard in the way of electromagnetic induction for mobile phones, cameras and other handheld low-power equipment wireless charging technology. The Qi Wireless charging standard, initiated by the Wireless Power Consortium (WPC), is currently widely used in the worldApproved wireless charging standard. Including Apple, Samsung, Nokia and other world-class enterprises to Qi standard as their terminal equipment wireless charging technical standards.
Wireless charging and wired charging at the same time will have problems, can not be carried out at the same time, can only choose one way to charge. For mobile phone charging safety, when connected to wired charging, automatic switch to wired charging, wireless charging stop. Wireless charging technology (English: Wirelesschargingtechnology; Wirelesschargetechnology is derived from radio energy transmission technology, which can be divided into two ways: low-power wireless charging and high-power wireless charging.
Wireless and wired charging at the same time is not a bad problem, but it also does not have any benefits, and it also causes unnecessary (albeit small) power consumption. So don't charge your phone like this.No, wireless charging and wired charging can not be carried out at the same time, only one way can be selected for charging. Reason: For mobile phone charging safety, when connectedWhen connected to wired charging, automatic switch to wired charging, wireless charging stops. Wireless charging can only be charged if there is no connection line. Expand your knowledge: Wireless charging principles.