| 摘要 |
An improved integrated sensor-transducer device and an improved pressure sensor-transducer, particularly suitable to operate in the measurement of the temperature and pressure of a fluid that passes through fluid extraction well head equipment. The invention permits such parameters to be measured through a single orifice in the said equipment and reduces substantially the volume of the external wiring. The invention also provides a pressure sensor-transducer that eliminates the possibility of leakage of the fluid being extracted in the case of damage to the sensor, apart from avoiding corrosion thereof. Such objects are obtained by providing an integrated sensor-transducer that is particularly suitable for operation together with fluid extraction equipment, for measuring determined parameters of the fluid, including a rigid housing (1) having an output connector (11) and in the interior of which a temperature sensor-transducer assembly (4, 5) is arranged which comprises a temperature-electric signal converter (4) electrically connectable to said output connector (11), characterised by a pressure sensor-transducer assembly (6-9) also arranged within said housing (1); and by comprising an elongated chamber (8) divided by a sealing element (7) into a first sub-chamber filled with a neutral fluid, and a second sub-chamber adapted to be filled with the fluid being extracted, said sealing element (7) being axially shiftable within the chamber (8) so that the pressure of the fluid being extracted may be transferred to the neutral fluid, and a pressure-electrical signal converter (9) also electrically connectable to the output connector (11) and situated in contact with the neutral fluid. In addition, the invention may be embodied in the form of a pressure sensor-transducer operable together with fluid extraction equipment, characterised by comprising an elongated chamber (8) divided by a sealing element (7) into a first sub-chamber filled with a neutral fluid and a second sub-chamber adapted to be filled with the fluid being extracted, said sealing element (7) being axially shiftable within the chamber (8) so that the pressure of the fluid being extracted may be trasferred to the neutral fluid, and a pressure-electric signal converter (9) arranged in contact with the neutral fluid. |
