Pull-rod type fiber grating osmometer

• Main Authors: LIU BIN, SUI QINGMEI, WANG JING, JIA LEI, LI SHUCAI, LI SHUCHEN, FENG DEJUN
• Format: Patent
• Language: Chinese; English
• Published: 28.04.2010
• Subjects: ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS; MEASURING; MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; PHYSICS; TARIFF METERING APPARATUS; TESTING

The utility model relates to a pull-rod type fiber grating osmometer, which comprises a casing, and is characterized in that end covers with holes are respectively arranged at two ends of the casing, pressure diaphragms are arranged among one end inside the casing and the end covers; a grating supporting frame is disposed on the inner wall of the casing, pressure guide rods are disposed inside the casing, one ends of the pressure guide rods are bonded with the pressure diaphragms, the other ends of the pressure guide rods are fixedly connected with one ends of pressure measuring gratings, the other ends of the pressure measuring gratings are fixed onto the grating supporting frame; a temperature compensation grating is arranged on the grating supporting frame, the other end of the temperature compensation grating is in a free state; and the pressure measuring gratings and the temperature compensation grating are all led out of holes of one end cover at one end of the casing through optical fibers. The osmomet