Car wireless charger in the phone without contact charging design

Mobile phone crystal 3.2*2.5mm 3225 26M (26.000MHZ)

Overview:
1 Introduction With the advancement of technology and the reduction of the cost of electronic components, mobile phones have become an indispensable communication tool in our daily lives. At the same time, cars are approaching our lives and showing a trend of civilians. When people travel long distances or on business trips, if the mobile phone battery is exhausted, it will have a great impact on people's normal working life. Now some car chargers have appeared in some cars, but because there are big differences in the charging interface of different brands of mobile phones, if you want to complete charging in the car, you must carry a charger that matches your mobile phone, not very Convenience. Moreover, due to the limited power supply of the vehicle, it is impossible to simultaneously charge multiple mobile phones. According to the above situation, this paper puts forward the idea of ​​car wireless charger, introduces electromagnetic induction technology into the field of mobile phone charging, realizes the contactless charging of mobile phone through electric-magnetic, magnetic-electrical conversion, and its core technology is similar to the coreless of transformer. Processing.

2 wireless charging ideas
2.1 Overall scheme block diagram This paper presents a new vehicle-based solution for mobile phone charging. The block diagram and system hardware diagram are shown in Figure 1 and Figure 2, respectively.

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