Urine specific gravity measuring system and measuring method based on Fibre Optical Sensor

The invention discloses the urine specific gravity measuring system based on Fibre Optical Sensor, it is related to Urine monitoring field, for solving the problems, such as that existing technology lays particular emphasis on the single measurement of specific gravity of urine.It includes that collecting unit, signal processing unit, main control computer, urine passageway, urine guide pipe, the urinary catheter for controlling urine guide pipe break-make control valve, flushing channel, the purge control valve for controlling flushing channel break-make, the urine passageway includes the first urine passageway, the second urine passageway and the 3rd urine passageway, first urine passageway and the 3rd urine passageway are connected by the second urine passageway, exhaust chamber is formed, second urine passageway is higher than the first urine passageway.Based on non-contact measurement, fault detect rate is improved.Realize continuous dynamic monitoring specific gravity of urine.The invention also discloses the urine specific gravity measuring method based on Fibre Optical Sensor.