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Measuring device for measuring the flow rate of a fluid

A measuring device and fluid technology, applied in the direction of measuring device, measuring flow/mass flow, measuring capacity, etc., can solve the problem of inaccurate average flow velocity and other problems, and achieve the effect of small structure length

Active Publication Date: 2020-10-02
SICK ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the measurement signal can only provide an inaccurate average value of the flow velocity

Method used

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  • Measuring device for measuring the flow rate of a fluid
  • Measuring device for measuring the flow rate of a fluid
  • Measuring device for measuring the flow rate of a fluid

Examples

Experimental program
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Embodiment Construction

[0026] figure 1 A schematic 3D view of a preferred embodiment of a measuring device 1 according to the invention is shown, which measures the flow velocity of a fluid F flowing in the direction of the main flow in a circular duct L. Fluid F may comprise, for example, natural gas, petroleum or the like.

[0027] In this case, the measuring device 1 is arranged coaxially to the main flow of the fluid F in the circular duct L. As shown in FIG.

[0028] The measuring device 1 comprises a flange section F1 which connects the measuring device 1 to a circular pipe L and guides a fluid F from the circular pipe L into the measuring device 1 .

[0029] The inlet section E of the measuring device 1 adjoins the flange section F1, which inlet section has a first hyperelliptical transition shape extending from the beginning of the inlet section E of the measuring device 1 to the measuring section M . Here, the transition shape of the first superellipse transitions from the circular cross...

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Abstract

The invention relates to a measuring device for measuring the flow rate of a fluid. The invention relates to a measuring device for measuring the flow velocity of a fluid flowing in the direction of the main flow in a circular pipe, the measuring device comprising an inlet section for guiding the fluid from the circular pipe into the measuring device; An outlet section leading from the measuring device into the circular duct; a measuring section for connecting the inlet section with the outlet section; at least one ultrasonic device for emitting and / or receiving ultrasonic waves, wherein the ultrasonic device is arranged on the wall of the measuring section and an evaluation unit for performing a transit time difference measurement and for determining a flow velocity, wherein the inlet section has a transition shape of a first superellipse and the outlet section has a transition shape of a second hyperellipse, and the measurement section has a rectangular shape, in particular Has a rectangular shape with rounded corners.

Description

technical field [0001] The invention relates to a measuring device for measuring the flow velocity (Durchflussgeschwindigkeit) of a fluid flowing in the direction of the main flow in a circular duct. Background technique [0002] In order to determine the flow velocity of a fluid in a pipe, preferably a circular pipe, ultrasonic waves are used, which are sent into the pipe, in addition to various physical principles. The velocity of the flowing fluid and thus the flow flow rate. [0003] In this case, ultrasonic waves are transmitted and received by a pair of ultrasonic devices, in particular ultrasonic transducers, which are arranged opposite each other at the ends of the measuring path obliquely to the main flow direction or flow of the fluid in the pipe on the wall. [0004] Ultrasonic waves conveyed by a fluid are accelerated in the direction of flow and decelerated in the opposite direction of flow. The resulting transit time difference is geometrically calculated ...

Claims

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Application Information

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IPC IPC(8): G01P5/24
CPCG01P5/24G01P5/245G01F15/185G01F1/662G01F1/667G01F1/66G01F15/14
Inventor 埃里克·施塔克克里斯蒂安·舒尔茨马里奥·坤策尔曼
Owner SICK ENG