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Intelligent uniform-velocity target type flowmeter

A target-type flow, intelligent technology, applied in the direction of volume measurement, liquid/fluid solid measurement, volume/mass flow generated by mechanical effects, etc. Expensive and other issues, to avoid amplifier drift, light weight, moderate price

Inactive Publication Date: 2009-07-08
王保宁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The vortex flowmeter has high precision and small pressure loss, but it is afraid of vibration and cannot measure low flow rate and high temperature fluid. The above-mentioned conventional flowmeters cannot realize the integration of temperature and pressure compensation, and the whole set of instruments is expensive

Method used

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Examples

Experimental program
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Embodiment Construction

[0010] The invention provides an intelligent uniform velocity target flowmeter, which is mainly composed of uniform velocity dynamic and static torque lever mechanical parts, a single-chip microcomputer and a software mode. figure 1 Shown is a schematic diagram of the installation structure of the intelligent average speed target flowmeter. It consists of three parts: average speed, dynamic and static torque lever mechanical parts, single-chip microcomputer and software.

[0011] figure 1 Middle A-A is a schematic diagram of the front of the pipeline.

[0012] figure 2 shown as figure 1 The schematic diagrams of the enlarged parts of B, C, and D, and the D-D section is the D-direction section.

[0013] Such as figure 1 , figure 1 Middle A-A, figure 2 As shown, the mechanical part of the average speed dynamic and static moment lever in the intelligent average speed target flowmeter is fixed by the calibration bolt (2) to fix the streamlined target (1) in the middle of ...

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Abstract

The invention discloses an intelligent average-speed target flowmeter in the technical field of fluid measurement. In the intelligent average-speed target flowmeter consisting of a average-motion static-torque lever mechanical part, a singlechip and software, micropower is amplified according to a average-motion static-torque lever principle, a streamlined target does not generate vortex oscillation, the surface area S0 of the streamlined target together with the surface areas S1 and S2 of dynamic-torque target rods enlarges an inflow surface, an average flow rate can be obtained by adding the surface areas S0, S1 and S2, transmission errors in the prior target flowmeter are prevented due to the fact that no moving part is required, the high precision of an orifice plate, the average flow rate of a average-speed tube flowmeter and no moving part of a capacitance target flowmeter are combined together, thermal-insulation machine shell enables the instrument to operate in various environments, and the singlechip and software can realize the intelligence of the flowmeter instrument and the integration of temperature and pressure compensation and improve the measurement accuracy of the flowmeter instrument.

Description

technical field [0001] The invention belongs to the technical field of fluid measurement, in particular to an intelligent uniform velocity target flowmeter. Background technique [0002] At present, in the field of fluid metering technology, differential pressure orifice plates are widely used due to their high precision, but their pressure loss is large, bulky, heavy, and the supporting installation is complicated, which does not meet the energy-saving requirements. Velocity tube, target, and vortex flowmeters have small pressure loss, but the differential pressure is also small, especially the larger the pipe diameter, the smaller the differential pressure, which will have a greater impact on the accuracy of the instrument. According to the principle of fluid mechanics, when the fluid flows in the pipeline, the cross-section of the fluid velocity is evenly distributed in a trapezoidal shape. When the fluid encounters an object, the power Fo, F1, and F2 generated by the flu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/05G01F1/20G01F1/34G01F15/00
Inventor 王保宁
Owner 王保宁
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