2, there is a wireless charging coil use After wireless charging, you can better protect the interface of the mobile phone, but also can have power anytime and anywhere. They will not worry about what to do when they go out without electricity, just put it on the charging site. Some people often drop their phones when using wired chargers, but this will never happen with wireless. This wireless charger is designed to meet more young peopleHuman needs are what they're set for.
3, electromagnetic induction wireless charging, is the use of the power supply side (wireless charging board) and the induction magnet on the receiving side (mobile phone) generated between the induction flux, the magnetic force into electricity and then transmission. The advantage of this charging method is that the circuit structure required by the device is relatively simple, the charging device can be miniaturized, and the cost is cheap, and the charging efficiency will be relatively higher.
Wireless charger refers to the use of electromagnetic wave induction principle for charging equipment, the principle is similar to a transformer. There is a coil in the sending end and the receiving end. The sending end coil is connected to the wired power supply to generate an electromagnetic signal, and the receiving end coil senses the electromagnetic signal of the sending end to generate a current to charge the battery.
Wireless charging emission Circuit Board (PCBA) is an electronic component used to implement wireless charging function. It is one of the core components of the wireless charging system, responsible for converting electrical energy into wireless energyThe signal is transmitted. PCBA usually consists of multiple components, including power supplies, inductors, circuit control chips, filters, and connectors.
Oscillators and modulators: Generate high-frequency AC signals for wireless transmission. Coils: Used to generate or receive electromagnetic fields, are a key part of wireless charging. Protection circuit: prevent overheating, overcurrent, short circuit and other abnormal conditions to protect system safety. Communication module: In some advanced wireless charging systems, it is used to exchange data with the receiving device for more intelligent charge management.
Electromagnetic induction type primary coil certain frequencyh2 id=' Wireless Charging principle '> Wireless Charging Principle
1, wireless charging is 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.
2, the basic principle of wireless charging is to convert the current into a magnetic field, and the magnetic field is transmitted through the air and 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 endSupply power directly to the system. 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.
3, because the charger and the electrical device are inductively coupled to transmit energy, the two are not connected by wires, so the charger and the electrical device can be no conductive contact exposed. Wireless charging mainly uses the principle of electromagnetic induction, magnetic resonance and radio wave technology.
The way of wireless charging is electromagneticInductive, 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.
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 with wireless chargingBase contact can be charged.
It is the first generation of mobile phone wireless charging, and the technology is mature, but it can only be single-to-single short-range charging (qi standard, within 1cm, within 5 watts), rather than single-to-multiple charging like WiFi.
Wireless charging system mainly adopts 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.
Electromagnetic induction This is the most common wireless charger working mode, using the principle of electromagnetic induction, through the primary and secondary coil between the electromagnetic induction to generate current, so as to achieve the energy in the space of the transfer; The implementation of this wireless charger has been promoted by the Wireless Charging Alliance.
The principle of wireless charging of mobile phones is the same as that of transformers. That is, when the coil does not move, the magnetic field strength changes periodically and the stone current is generated. The principle of electric motor generation is that the relative motion between the coil and the magnetic field generates current. Wireless charger refers to the use of electromagnetic wave induction principle for charging equipment, the principle is similar to a transformer.
is a bit like that, using an induction coil. The origin of wireless charging technology is the use of wireless power transmission technologyThe magnetic resonance is used to transfer charge in the air between the charger and the device, and the coil and capacitor form resonance between the charger and the device to achieve efficient transmission of electric energy.
The principle of wireless charging technology is actually very simple, "the so-called wireless charging technology, its basic principle is the same as the principle of transformers, is the principle of 'electricity generated magnetism, magnetic generated electricity' that we have learned in middle school physics class."
1, wireless charger refers to the use of traditional charging powerThe 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 the bridge connecting the charging base station and the device.
2, in terms of intelligent management, chip adaptation management technology is used, including: automatically open and close the charging process; Automatically adapt the required voltage and current, and manage the charging process to ensure high charging efficiency; And can use a unified charging board for any brand, model of electronic products, safe, convenient and efficient charging.