Wireless charging, even remote sensing charging. Its principle is electromagnetic induction, which is usually used in small power situations and does not require electrode contact points. There are induction coils in the small column and electricity, there are induction coils in the electric toothbrush insertion part, and there are plastic insulation outside, there is no electrical contact, and the induction obtains electricity to charge the battery and drive the small motor.
Wireless charging principle - electromagnetic induction wirelessCharging electromagnetic induction wireless charging is the most used wireless charging solution, high school physics textbooks have mentioned through the primary coil a certain frequency of alternating current, using electromagnetic induction in the secondary coil to generate a certain current, thereby transferring energy from the transmission end to the receiving end.
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. The DC power output passes through the power management moduleThe 2M active crystal oscillator is converted into high frequency alternating current to supply the primary winding.
Now there are many electric toothbrushes using wireless charging technology, the principle of this technology is actually the law of electromagnetic induction, that is, a magnetic field is set around the current, by changing the magnetic field to generate an electric field, in order to achieve the effect of charging, this reason is similar to the principle of induction cooker.
Not only can eliminate messy transmission lines between devices, but also safer for electronic devices such as electric toothbrushes that are often in contact with conductive media such as liquids. Electromagnetic induction wireless charging is the most widely used wireless charging scheme. High school physics textbookThe 10th anniversary of the new product officially released at 7pm on November 29, 23, the new machine is equipped with the second generation Snapdragon 8, using the second generation of high-end 2K China screen, with a peak brightness of 4000nit, effectively improve the practicality of touch, the main camera is equipped with the same light hunter 800 sensor with Redmi K70Pro. The battery adopts 120W fast charge 5000mAh combination to achieve ultra-long battery life without wireless charging function.
Not supported. First, the K70's hardware design does not include wireless charging. Wireless charging requires a special receiver to be installed inside the phoneIt is used to receive the electromagnetic signal sent by the wireless charging base and convert it into electricity to supply the battery. Since the K70 was not designed with this feature in mind, there is no such receiver inside.
2, wireless charging PCB, different functions, the required components are different. The required components are: resistor, capacitor, resonant capacitor, resonant coil, MOS tube, control chip, protocol chip.
3. Wireless charging requires a chip built into the device to receive electromagnetic waves and electromagnetic fields, and nova8 does not have this chip. In addition, wireless charging is not as efficient and fast as wired charging, so it may not be necessary for all users. nova8 does not currently support wireless charging, but it does support 40W wired fast charge, which can be quickly charged in a short time. If you need wireless charging, you can choose other mobile phones that support wireless charging.
4, support wireless charging mobile phones: Xiaomi Huawei Mate 20 Pro, Samsung S10 Plus. Personally recommend Mi 9. The Mi 9 uses a Snapdragon 855 processor and a 39-inch Samsung OLED water drop screen, which accounts for 90.7% of the screen.
5, Wireless charging iPhone 12 has MagSafe feature for using magnetic enhanced wireless charging. iPhone 12MagSafe Accessories Cleaning instructions: MagSafe charger built-in magnets may attract debris during daily use. Before cleaning this fitting, please sweep any debris from the metal ring. Disconnect the MagSafe charger and wipe the silicone in the center of the charging area with a slightly damp lint-free cloth.
1, What are the functions of IP2326 charge management chip? IP2326 has input voltage limiting function, can intelligently adjust the charging current, self-adaptationAdapter load. The IP2326 supports external pins to select whether to set up 2-string or 3-string lithium battery charging.
2, the main function is: when the battery voltage rises to 4V, DW01 will think that the battery voltage is in the state of overcharge voltage, and immediately disconnect the output voltage of the third pin, so that the voltage of the third pin becomes 0V, and the switch is no voltage due to the fourth pin.
3, the mobile power chip refers to the chip used to control charging and discharge, mainly used in the circuit design of the mobile power supply. The functions of the mobile power chip include battery charging managementBattery protection, transmission voltage regulation, etc. The main role of the mobile power chip is to protect the safety of the battery and the mobile power supply, so that they can run stably and improve the use experience. Mobile power chip is the core component of mobile power supply, which determines the performance and quality of mobile power supply.