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Device for determining or monitoring the filling level of a filling material stored in a container

A filling material, filling level technology, used in measuring devices, lubrication indicating devices, instruments, etc., can solve problems such as vertex cracking

Active Publication Date: 2016-10-26
EHNDRESS KHAUZER GMBKH KO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, with known designs, the apex of the cone or pyramid runs the risk of breaking as a result of an external mechanical force, for example as a result of a blow

Method used

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  • Device for determining or monitoring the filling level of a filling material stored in a container
  • Device for determining or monitoring the filling level of a filling material stored in a container
  • Device for determining or monitoring the filling level of a filling material stored in a container

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Embodiment Construction

[0032] figure 1 A schematic diagram of an embodiment of the device according to the invention is shown. Filling material 7 , liquid or solid, is stored in container 8 . For determining the fill level of the filling material 7 in the container 8 is a fill level gauge 17 which is fitted in the opening 19 of the lid 16 of the container 8 . The microwave measurement signal generated in the signal generating unit 1 is coupled into the antenna unit 3 and emitted via the antenna 5 in the direction of the surface 6 of the filling material 7 . On the surface 6 the measurement signal is at least partially reflected as an echo signal. The echo signals are received by the antenna unit 3 and passed into the control / evaluation unit 9 for the purpose of adjusting and evaluating the fill level measurement. The control / evaluation unit 9 is assigned to a delay circuit as described, for example, in DE 3107444 A1. The correct timing of the transmission of the measurement signal and the recept...

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Abstract

The invention relates to a device for determining or monitoring the filling level of a filling material (7) stored in a container (8) in a process comprising a signal generating unit (1) which generates high-frequency measurement signals, a coupling / decoupling unit (2) which couples the high-frequency measurement signals into an antenna unit (3) or decouples said high-frequency measurement signals from the antenna unit (3), wherein the antenna unit (3) has a wave guide (4) and an antenna element (5) which widens in the direction of the filling material, wherein the antenna unit (3) emits the high-frequency measurement signals in the direction of the surface (6) of the filling material (7) and receives the echo signals reflected by the surface (6) of the filling material (7), and a control / evaluation unit (9) which determines the filling level of the filling material (7) in the container (8) from the transit time of the measurement signals. At least one process separation (10) is thereby provided in or on the antenna unit (3), which process separation protects the coupling / decoupling unit (2) from influences of the process, wherein a first process separation (10) is produced at least partially from a dielectric material with a specified porosity, and wherein the first process separation (10) is configured to be at least approximately transparent to the high-frequency measurement signals.

Description

technical field [0001] The invention relates to a device for determining or monitoring the filling level of filling material stored in a container in a process, comprising: a signal generating unit, which generates a high-frequency measurement signal, a coupling / decoupling unit, which couples the high-frequency measurement signal to an antenna unit or to decouple the high-frequency measurement signal from the antenna unit, wherein the antenna unit has a waveguide and an antenna element that widens in the direction of the filling material, wherein the antenna unit radiates high in the direction of the filling material surface frequency measurement signal and receives the echo signal reflected by the surface of the filling material, and a control / evaluation unit which determines the filling level of the filling material in the container on the basis of the transit time of the measurement signal, wherein at least one process is provided in or on the antenna unit An isolator which...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/00G01F23/284
Inventor 克劳斯·法伊斯特埃里克·贝格曼
Owner EHNDRESS KHAUZER GMBKH KO KG
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