Double-piston symmetrical damping type flow sensor and detection method thereof
A flow sensor, damping technology, applied in the field of flow sensors, can solve the problems of incompetence, low measurement accuracy, high energy consumption, etc., to achieve adaptability and interchangeability progress, simple calculation and measurement, use longevity effect
Inactive Publication Date: 2016-08-17
GUIZHOU UNIV
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[0003] The purpose of the present invention is to provide a double-piston symmetrical damping flow sensor and its detection method to solve the problems of traditional dynamic measurement methods used in existing flow sensors, which have the limitations of low measurement accuracy and large energy consumption. problems that don't work well
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[0030] refer to Figure 1 to Figure 4, this embodiment provides a double-piston symmetrical damping flow sensor, including a sensor probe 1, a photoelectric converter 2 and a signal processor 3, the sensor probe 1 includes a piston cylinder 11 and a detection box 12 arranged on one side of the piston cylinder 11, The two ends of the piston cylinder 11 are respectively closed by end caps 13, and the middle of the piston cylinder 11 is provided with a partition 14 that seals and separates the interior of the piston cylinder 11 into two left and right chambers. The partition 14 and the piston cylinder 11 are of an integrated structure A piston 15 is slidably arranged in the piston cylinder 11 on both sides of the partition plate 14, and a spring 16 is arranged between the piston 15 and the end cover 13 on one side thereof. One end of the spring 16 is fixed on the piston 15, and the other end is fixed on the piston 15. On the end cap 13, the end caps 13 at both ends are provided w...
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The invention provides a double-piston symmetrical damping type flow sensor and a detection method thereof, wherein a sensor probe comprises a piston cylinder and a detection box; the two ends of the piston cylinder are closed by end covers respectively; the middle of the piston cylinder is provided with a baffle plate; the two sides of the baffle plate are provided with a piston in a sliding manner respectively; springs are arranged between the pistons and the end covers; the end covers are provided with probe emplacing holes; optical fiber detection ends are arranged in the probe emplacing holes; positions, which are dead against the optical fiber detection ends, on pistons are provided with light-reflecting components; two cavities between the baffle plate and the two pistons communicate with the detection box through fluid passages respectively; the fluid passages and an air supply are respectively arranged on two opposite sides of a flowing path, inside the detection box, of a fluid. Therefore, the problems that a conventional power measurement way is more frequently adopted for an existing flow sensor, and the existing flow sensor has the limitations that the measurement precision is not high, the energy consumption is high, and the like, and cannot be qualified quite well in many occasions are solved. The double-piston symmetrical damping type flow sensor and the detection method thereof belong to the field of flow detection.
Description
technical field [0001] The invention relates to a flow sensor and 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, vortex-st...
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IPC IPC(8): G01F1/34
CPCG01F1/34
Inventor 胡浩钟丽琼
Owner GUIZHOU UNIV