Insertion type ultrasonic flowmeter with flushing spray-head and submerged camera

Abstract

The invention provides an insertion type ultrasonic flowmeter with a flushing spray-head and a submerged camera. The flowmeter comprises a connecting rod, the lower end of the connecting rod is fixed with a flow refection mechanism through a positioning screw, a ball valve is connected to the outer wall of the middle portion of the connecting rod in a sleeving mode, and the upper end of the connecting rod is fixed with a gauge outfit component through a gauge outfit connecting component; a pressure sensor component is arranged between the ball valve and the gauge outfit component and connected with the gauge outfit component and a connecting pipe of the ball valve respectively; the flow reflection mechanism can be arranged in a pipeline and comprises a hollow tubular fixed base, the outer wall of the fixed base is fixed with the lower end of the connecting rod, two ultrasonic sensors are fixed at the upper end of the inner wall of the fixed seat, and two ultrasonic reflectors are fixed at the lower end of the inner wall of the fixed seat; the ultrasonic sensors and the ultrasonic reflectors are located in the same rectangular quadrilateral, and the oblique planes used for reflecting ultrasonic waves are arranged on the opposite end faces of the ultrasonic reflectors. According to the insertion type ultrasonic flowmeter with the flushing spray-head and the submerged camera, installation is easy and reliable, zero adjustment and flow calibration do not need to be conducted on site, and later inspection and maintenance are very convenient.

Description

technical field [0001] The invention relates to the technical field of flow measurement, in particular to an insertion type ultrasonic flowmeter with a flushing nozzle and a submerged camera. Background technique [0002] As we all know, traditional flow meters or heat meters mostly use impeller flow sensors, which have defects such as complex structure and short service life. Once used for a long time, the measurement accuracy will gradually decrease, and because the fluid contains impurities, it is often affected Serious effects such as blockage will bring losses to the use. Therefore, the ultrasonic flowmeter replaces the traditional flowmeter or heat meter because it has no mechanical moving parts and can ensure the measurement accuracy. [0003] In the existing technology, such as figure 1 and figure 2 As shown, after the hole is opened on site, the sensors of the two ultrasonic flowmeters A1 are installed on the pipeline B1, and the zero point adjustment and flow c...

AI Technical Summary

Problems solved by technology

[0003] In the existing technology, such as figure 1 and figure 2 As shown, after the hole is opened on site, the sensors of the two ultrasonic flowmeters A1 are installed on the pipeline B1, and the zero point adjustment and flow calibration are carried out on site. Calibration is difficult, and it makes later inspection and maintenance inconvenient

[0004] In addition, after a long time of use, the flow reflection mechanism of the existing ultrasonic flowmeter is prone to fouling on its outer surface, which affects the accuracy of flow sensing

[0005] In addition, none of the existing ultrasonic flowmeters has the function of video detection of the liquid in the pipeline, which is not conducive to equipment troubleshooting

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