Charging device and circuit utilized to charge battery of portable electronic device including spiral spring to store energy created by pendulum during motion of portable electronic device

摘要

The present invention discloses a charging device for a portable electronic product with a charging circuit, including: a mechanical energy collecting device configured on a main body of the portable electronic product, adapted to collect and store part of mechanical energy of a user of the portable electronic product; a mechanical energy-electrical energy converting device coupled with the mechanical energy collecting device, adapted to convert mechanical energy stored by the mechanical energy collecting device into electrical energy; and a processing circuit connected between an output end of the mechanical energy-electrical energy converting device and an input end of the charging circuit of the portable electronic product, adapted to process energy output from the mechanical energy-electrical energy converting device and input processed energy to the charging circuit of the portable electronic product.