Magnetic inductive flow measuring instruments and measuring tubes
By constructing asymmetry on the outflow section of the magnetic induction flow measurement instrument, the problem of uneven flow of the medium is solved and the accuracy of flow measurement is improved.
CN110553689BActive Publication Date: 2025-03-21KROHNE MESSTECHNICK GMBH & CO KG
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Patent Information
- Application Number
- CN201910450976.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2018-05-30
- Filing Date
- 2019-05-28
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2039-05-28
AI Technical Summary
Technical Problem
There are problems with the asymmetric structure of the outflow section of existing magnetic induction flow measurement instruments, resulting in uneven flow of the medium and affecting the accuracy of flow measurement.
Method used
By constructing asymmetry on the outflow section, it is ensured that the medium flow only leans on one side of the measuring tube, thereby reducing the occurrence of uneven flow and improving the accuracy of flow measurement.
Benefits of technology
Through the asymmetrical structure of the outflow section, the flow measurement accuracy of the magnetic induction flow measurement instrument is significantly improved, and the measurement error caused by uneven flow is reduced.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention relates to a magnetic-inductive flowmeter (1) for determining the flow of a medium, the magnetic-inductive flowmeter having a measuring tube (2) for guiding the medium along a longitudinal axis (L) of the measuring tube (2) and having two electrodes (3) for measuring a measurement voltage induced in the medium, wherein the measuring tube (2) has an inflow section (4), a measuring section (5) and an outflow section (6) arranged in sequence along the flow direction of the medium, wherein the inflow section (4) has a cross section that decreases in the flow direction, wherein the measuring section (5) has a constant cross section and is symmetrically designed with respect to a measuring section symmetry plane (MSE), wherein the measuring section symmetry plane (MSE) extends parallel to the longitudinal axis (L) of the measuring tube (2), and wherein the outflow section (5) has a cross section that increases in the flow direction. The object of specifying a magnetic-inductive flowmeter (1) in which the measuring accuracy is increased compared to magnetic-inductive flowmeters known from the prior art is achieved in that the outflow section (5) is at least partially designed asymmetrically with respect to the measuring section symmetry plane (MSE).
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