Trinity sensor for measuring differential pressure, gauge pressure and temperature

The invention discloses a three-in-one sensor for measuring differential pressure, gauge pressure and temperature. The three-in-one sensor comprises a tube shell, a core body assembly, an end cover and a temperature detection module, the core body assembly comprises a core body, a base, a differential pressure chip, a gauge pressure chip and a corrugated diaphragm, the corrugated diaphragm is installed at the bottom of the core body in a sealed mode, a sealed cavity is formed between the corrugated diaphragm and the bottom of the core body, and a sealing medium is arranged in the sealed cavity; the differential pressure chip and the gauge pressure chip are installed on the base, the base is installed in the sealed cavity, and the core body is installed on the tube shell in a sealed mode; the end cover hermetically sleeves the peripheral side of the core body and is hermetically connected with the tube shell; a placement pipeline is arranged on the pipe shell, and the temperature detection module is installed