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Radar charge level indicator system and method determining filling charge level of product in storage tank

A material level gauge and filler technology, applied in the field of guided wave radar level gauge system, can solve problems such as sensitivity reduction, and achieve the effect of simplifying generation and coupling

Active Publication Date: 2018-04-06
ROSEMOUNT TANK RADAR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Although enabling more accurate fill level determination in applications with varying propagation characteristics inside tanks, the reference reflector reflects part of the signal, meaning that it is different from a corresponding guided wave radar level gauge system without a reference reflector The sensitivity of this radar level gauge system is somewhat reduced compared to

Method used

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  • Radar charge level indicator system and method determining filling charge level of product in storage tank
  • Radar charge level indicator system and method determining filling charge level of product in storage tank
  • Radar charge level indicator system and method determining filling charge level of product in storage tank

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no. 3 approach

[0058] first reference image 3 , schematically shows part of an example configuration of the probe device 3, including in a schematic side view and consisting of image 3 The first transmission line probe 4a and the second transmission line probe 4b in the sectional view of the plane indicated by A-A' in .

[0059] in such as image 3 In the schematically shown example probe arrangement configuration, the first transmission line probe 4a comprises a first transmission line probe conductor 24a, and a first dielectric enclosing structure 26a at least partially surrounding the first transmission line probe conductor 24a. Similarly, the second transmission line probe 4b includes a second transmission line probe conductor 24b, and a second dielectric surrounding structure 26b at least partially surrounding the second transmission line probe conductor 24b.

[0060] exist image 3 In the exemplary probe device configuration of , the first dielectric enclosure structure 26a is pro...

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Abstract

The utility model relates to a radar charge level indicator system and a method determining the filling charge level of a product in a storage tank; the system includes: the transceiver device, firstprobe, its first transmission signal of product guide in to the storage tank passes through surrounding medium to return a surface echo signal, this first probe is configured as the first transmissionsignal of propagation velocity guide that presents a dependency with the dielectric constant to surrounding medium, the second probe, it passes through surrounding medium to product guide second transmission signal to return the 2nd surface echo signal, this second probe is configured as the 2nd propagation velocity guide second transmission signal that presents the 2nd dependency that is different from a dependency with the dielectric constant to surrounding medium, and treatment circuit for confirm to pack the material level based on the known relation between a surface echo signal, the 2ndsurface echo signal and a dependency and the 2nd dependency.

Description

technical field [0001] The present invention relates to a guided wave radar level gauge system and method for determining the fill level of a product in a storage tank. Background technique [0002] Radar level gauge systems are widely used to measure process variables of products contained in storage tanks such as fill level, temperature, pressure, etc. Radar level gauging is usually performed by means of non-contact measurements or by means of contact measurements commonly known as Guided Wave Radar (GWR), where electromagnetic radiation is radiated towards the product contained in the tank The signal is guided by means of a tactile measurement to the product and into the product via the transmission line probe. Transmission line probes are typically arranged vertically from the top to the bottom of the tank. The electromagnetic signal is then reflected at the surface of the product, and a receiver or transceiver included within the radar level gauge system receives the ...

Claims

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Application Information

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IPC IPC(8): G01F23/284
CPCG01F23/284G01S7/03G01S13/88G01R27/2676H01Q1/225F17C13/02G01F23/268G01F23/80
Inventor 米卡埃尔·埃里克松
Owner ROSEMOUNT TANK RADAR