The utility model discloses a
mobile phone hanging ring with a built-in sensor, and relates to the technical field of
mobile phone accessories. Comprising a hanging ring body, an nfc induction antenna is arranged in the hanging ring body, an nfc
chip is arranged on one side of the nfc induction antenna, the hanging ring body is connected with a
mobile phone shell through a hanging
rope, the nfc induction antenna is in a circular ring shape, the hanging ring body comprises a front shell and a rear shell, and a plurality of buckles connected with the rear shell in a clamped mode are arranged on the two sides of the inner wall of the front shell. A sealing ring is arranged between the front shell and the rear shell, and the inner rings of the front shell and the rear shell are jointly provided with a
silica gel inner ring. The hanging ring body is matched with the nfc induction antenna and the nfc
chip, the nfc card swiping function is integrated in the hanging ring body, the functional characteristics of a traditional hanging ring are reserved, meanwhile,
wireless data transmission is achieved, communication can be conducted without internet connection, the functions of door opening through card swiping,
electronic business card
information storage and recognition and card swiping consumption can be achieved, the structure is simple and compact,
economic benefits are met, and the hanging ring is suitable for popularization and application. Wide application prospects are realized.