Today to share the knowledge of wireless charging as long as the coil does not circuit board, which will also be explained, if you can happen to solve the problem you are now facing, don't forget to pay attention to this site, start now!
< ul>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 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. After charging the battery and passing through the power management module, the DC output is converted into high-frequency alternating current through the 2M active crystal oscillator inverter to supply the primary winding. Clear 2The two inductors couple energy, and the electrical output from the secondary coil flows through the accepting conversion circuit into direct current to charge the battery.
Wireless charging source is installed inside a electromagnetic coil, after opening the power switch, the electromagnetic coil will convert the power supply battery into a large amount of magnetic energy, and then use a reverse coil (international standard brick QI coil), receive this large amount of magnetic energy, convert it into electrical energy, through a metal output head, into our equipment reserve battery. Wireless charging Because electromagnetic transmission only needs to be transmitted in space, no medium is required, so wireless charging can be carried out.
How to wireless charging the car wireless charging How to use the car wireless charging method is: the car wireless charging is fixed in the appropriate position in the cab; Connect one end of the wireless charger's USB data cable to the car's cigarette port and the other endLink wireless charger; After fixing the position of the wireless charger, make sure that it is stable and will not slide, put the phone on and charge it.
First of all, click the function on the screen to find Settings 2 Click Intelligent Internet to find nfc and wireless charging 3 Click wireless charging, and then click to activate many cars will be equipped with wireless charging function, especially some luxury cars, Mercedes-Benz, BMW, Audi, Cadillac will be equipped with wireless charging system need to note that wireless.
First fix the car wireless charger to the appropriate position in the cab, and the position required to be placed can not affect the normal driving of the driverOne end of the data line of the car wireless charger is connected to the car smoke outlet power supply, and the other end is connected to the wireless charger and then the car wireless.
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". There's a coil in the charging dock and a coil in the phone,The one in the charging dock is called the main coil, and the one in the phone is called the secondary coil.
Wireless charging is what is going on, as the name suggests is charging do not plug the cable. Similar to WiFi, it is very convenient. In theory, mobile phones and other electronic devices can be powered anytime, anywhere. However, wireless charging can not be transmitted as far as WiFi for the time being, and now mature solutions can only achieve wireless charging within a distance of 10mm, generally a distance of about 3~5mm is better, such wireless charging technology uses magnetic induction wireless charging technology.
Current wireless charging methods include electromagnetic induction charging,There are four kinds of magnetic resonance charging, radio wave charging and electric field coupling charging, and the technical scheme of each charging method is different. Electromagnetic wireless charging uses the induced magnetic flux generated between the inductive magnet on the power supply side and the electric side to convert the magnetic force into electrical energy and then transmit it.
The working principle of the wireless charger: The electromagnetic induction principle is adopted, and the energy coupling through the coil is realized. 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 output after the power management module is reversed by 2M active crystal oscillatorThe primary windings are converted to high frequency alternating current supply.
Barely. Because the drill charging board starts the impedance matching work between the charger and the lithium battery and the flow voltage limit and other safety protection measures, skipping the charging board you can not control the time current or even the safety factors, the effect is very poor, time-consuming and energy, and the charge is not good.
No. The output voltage of the charger is rectified by the circuit board. Bypass the charger line to powerPool charging is dangerous and can burn the battery or even cause accidents.
Need to use automatic control function lead acid storage battery charger, the principle is a three-stage charging mode, the circuit has a certain complexity, electronic components, the welding charger is easy to short circuit, the kind of simple 12v charger used in the repair shop, is a transformer, with tap adjustable charging voltage rotary switch, a large current silicon rectifier, There is no automatic stop function, there is no circuit board inside.
If the charger itself does not have charge management, no! If charging includes charge management and voltage current and battery typeMatch, yes! Charge management, control charge flow, turn off charge when charge terminates, battery overheat protection, low voltage protection.
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