Patent ID: 9310277
Filing Date: 2016-04-12
CPC Classification: G01L,G01M

Claim Text:
1. A tire temperature and tire pressure wireless sensing device, comprising: a housing includes a fixed seat, a bottom seat with a first recess, and a cap with a second recess, a bottom side of said fixed seat is engaged with said bottom seat to form an air chamber, and said bottom seat is engaged with said cap to form an accommodation space, a top side of said fixed seat includes a semi-circular sidewall and said semi-circular sidewall has an annular groove which is mounted inside said cap, and said fixed seat includes two conductive element through holes and an antenna slot, said antenna slot is disposed adjacent to one end of said annular groove, and said bottom seat includes an air-intake through hole and an air-intake seat which is communicated with a bottom side of the air-intake through hole; a valve body is disposed in said air-intake seat, and said valve body is engaged with said air-intake through hole; a circuit board is disposed in said air chamber, and said circuit board includes a wireless transmission module and a sensing module therein, said circuit board is electrically connected with said wireless transmission module and said sensing module, and said sensing module is disposed corresponding to said air-intake though hole; a power supply module is disposed on said fixed seat, said power supply module includes a battery, a first conductive element and a second conductive element, one end of said first conductive element and one end of said second conductive element are inserted into said two conductive element through holes respectively and are electrically connected with said circuit board, and another end of said first conductive element and another end of said second conductive element are electrically connected with two electrodes of said battery respectively; and a transmission antenna is disposed in said annular groove and one end of said transmission antenna is inserted into said antenna slot and is electrically connected with said circuit board.