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Radar Level Measuring Device

A material level measurement and radar technology, applied in the field of radar devices, can solve the problems of reducing the resolution of material level measurement, increasing pulses, increasing signal strength, etc.

Active Publication Date: 2020-02-14
EHNDRESS KHAUZER GMBKH KO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in order to increase the strength of the transmitted signal, the width of the generated pulse must be increased
This has the detrimental effect of reducing the resolution of the level measurement to be performed

Method used

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  • Radar Level Measuring Device
  • Radar Level Measuring Device
  • Radar Level Measuring Device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] figure 1A schematic diagram of the guided wave radar measuring device 1 is shown. An electronic unit 2 is shown which comprises a first functional block 3 in which a linearly increasing voltage signal is generated. This signal is used as input to the second functional block 4 , wherein a high-frequency oscillator generates a linearly increasing frequency-modulated transmit signal TX based on the input signal. This transmission signal TX is output to the first frequency divider 5 . The transmit signal TX is then coupled to the coaxial waveguide probe 7 by means of a high-frequency cable 6 . The coaxial waveguide probe 7 is shown extending inside the container 8 partially filled with material 9 . The coaxial waveguide probe 7 carries the transmitted signal TX to the material interface 10 in TEM mode, wherein at least part of the transmitted signal TX is reflected as a received signal RX. The received signal RX is then guided back up to the coaxial waveguide probe 7 vi...

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PUM

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Abstract

The invention relates to a radar-based level measuring device (1) for measuring the level (10) of a material (9) in a container (8), comprising an electronic unit (2), wherein the electronic unit (2 ) for generating a transmitted signal, wherein the electronic unit (2) is used for processing a received signal comprising a reflected portion of the transmitted signal from a distance to be measured The surface (10) of said material (9) is reflective, wherein said electronics unit comprises a signal generator (3) to generate a frequency modulated transmission signal, wherein said electronics unit (2) comprises a processor for Said received signal is processed using phase information contained in said received signal, and wherein said radar device (1) comprises a coaxial waveguide probe (7) arranged within said container (8), wherein said The coaxial waveguide probe (7) is used to guide the transmitted signal (TX) and the received signal (RX).

Description

technical field [0001] The invention relates to a radar device for measuring the level of material in a container, comprising an electronic unit, wherein the electronic unit is adapted to generate a transmitted signal, wherein the electronic unit is adapted to process a received signal comprising The reflected part of the signal is transmitted which is reflected from the surface of the material whose distance is to be measured. Background technique [0002] Many applications for measuring the level of material in a container or tank require determining the level with extreme accuracy and / or precision. For example, in the pharmaceutical or food and beverage industries, the exact quantities of liquids used in reaction processes need to be precisely determined. For example, in the oil and gas industry, where monetary transactions are based on the precise amount of material that is changing hands, there is also a requirement to accurately determine the amount of material in a c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F23/284
CPCG01F23/284H01P3/06
Inventor 哈拉尔德·法贝尔阿列克谢·马利诺夫斯基
Owner EHNDRESS KHAUZER GMBKH KO KG