A single-piston fiber optic flow sensor probe and its detection method
A technology of optical fiber sensor and flow detection, applied in the direction of measuring flow/mass flow, liquid/fluid solid measurement, instruments, etc. Advances in Interchangeability, Long Service Life, Simple Calculations and Measuring Effects
Inactive Publication Date: 2019-03-08
GUIZHOU UNIV
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Problems solved by technology
[0003] The purpose of the present invention is to provide a single-piston optical fiber flow sensor probe and its detection method to solve the problem that existing flow sensors mostly use traditional dynamic measurement methods, which have limitations such as low measurement accuracy and high energy consumption, and cannot be used in many occasions. Well Competent Questions
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[0030] refer to Figure 1 to Figure 3 , the present embodiment provides a single-piston optical fiber flow sensor probe, including a piston cylinder 1 and a detection box 2 arranged on one side of the piston cylinder 1, the two ends of the piston cylinder 1 are respectively closed by end caps 3, and the piston cylinder 1 is slidably arranged There is a piston 4, a piston sealing ring 41 is arranged between the piston 4 and the inner wall of the piston cylinder 1, a spring 5 and a piston rod 6 are arranged between the piston 4 and the end caps 3 at both ends, and one end of the spring 5 is fixed on the piston 4, The other end is fixed on the end cover 3, and the springs 5 on both sides of the piston 4 are arranged symmetrically, and the structures and specifications of the springs 5 on both sides of the piston 4 are exactly the same. 4 The springs 5 on both sides are in a natural state, that is, the springs have no stretching and compression deformation, and the center po...
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The invention provides a single-piston fiber flow sensor probe and a detection method thereof, and belongs to the field of flow detection. The sensor probe comprises a piston cylinder and a detection box arranged at one side of the piston cylinder, the two ends of the piston cylinder are respectively enclosed by end covers, a piston is slidably arranged in the piston cylinder, the portion between the piston and each end cover is provided with a spring and a piston rod, the end covers are provided with detection through holes, one end of each piston rod is fixed on the piston, the other ends of the piston rods are slidably arranged in the detection through holes, reflecting parts are fixed at the end portions of the piston rods, the other ends of the detection through holes are provided with fiber detection ends, the detection box communicates with chambers at the two sides of the piston respectively through fluid pathways, the fluid pathways and a gas source are respectively arranged at two opposite sides of a circulation path of a fluid inside the detection box. The problem is solved that an existing flow sensor probe commonly employing a conventional power measurement mode is not quite competent in many occasions due to such restrictions as not high measurement precision, large energy consumption and the like.
Description
technical field [0001] The invention relates to a flow sensor probe, which belongs to the technical field of flow sensor monitoring. Background technique [0002] In modern industrial production, especially in the automated production process, various sensors are often used to monitor and control various parameters in the production process, so that the equipment can work in a normal or optimal state, and the product can achieve the best quality. Sensors have already penetrated into a wide range of fields such as industrial production, space development, ocean exploration, environmental protection, resource investigation, medical diagnosis, bioengineering, and even cultural relic protection. The present invention is one of many types of sensors - flow sensors. With the development of sensor technology, a variety of flow sensors have appeared, the most commonly used are vane type, vortex type, Karman scroll type, hot wire type and so on. However, sensors such as vane-type, ...
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IPC IPC(8): G01F1/66
CPCG01F1/661
Inventor 胡浩钟丽琼赵丽梅
Owner GUIZHOU UNIV