Patent ID: 9502914
Filing Date: 2016-11-22
CPC Classification: H02J

Claim Text:
1. A charging apparatus for recognizing an alternating current to direct current adaptor, the charging apparatus applied to the alternating current to direct current adaptor and a first battery, the charging apparatus comprising: an input side universal serial bus interface comprising an input side bus voltage contact, an input side data positive contact, an input side data negative contact and an input side ground contact; a data voltage detection unit electrically connected to the input side universal serial bus interface; a microcontroller electrically connected to the data voltage detection unit; and a first charging power output unit electrically connected to the input side universal serial bus interface, the microcontroller and the first battery, wherein the alternating current to direct current adaptor sends a bus voltage to the input side universal serial bus interface; the input side universal serial bus interface sends the bus voltage to the first charging power output unit; wherein the data voltage detection unit detects a data positive contact voltage condition of the alternating current to direct current adaptor through the input side data positive contact; the data voltage detection unit detects a data negative contact voltage condition of the alternating current to direct current adaptor through the input side data negative contact; the data voltage detection unit informs the microcontroller of the data positive contact voltage condition and the data negative contact voltage condition; wherein the microcontroller determines an overall output charging power of the charging apparatus according to the data positive contact voltage condition and the data negative contact voltage condition; the microcontroller is configured to control the first charging power output unit to output a first charging power to the first battery after the first charging power output unit receives the bus voltage; the first battery is charged with the first charging power; the first charging power is equal to the overall output charging power.