Wirelessly-charged automobile tire pressure monitoring device

The utility model relates to automobile safe equipment, in particular to a wirelessly-charged automobile tire pressure monitoring device. The monitoring device comprises automobile tire pressure sensors which consist of a temperature sensor, a pressure sensor, an acceleration sensor, a voltage monitoring circuit, an A/D (Analogue/Digital) conversion circuit and a micro controller. The wirelessly-charged monitoring device is characterized in that a user can wirelessly charge the tire pressure sensors through a wireless charger; energy coupling is carried out through an inductance coil and the transmission of energy is realized at a wireless charging part; and energy coupling and energy input are realized at an electromagnetic induction circuit part. The wirelessly-charged automobile tire pressure monitoring device disclosed by the utility model has the advantages that: under the under-voltage condition, the system carries out undervoltage alarm; at the same time, the user can wirelessly charge the tire pressur