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Fill level radar with short measuring times

A filling and radar technology, applied in the direction of measuring devices, measuring fluid pressure, liquid/fluid solid measurement, etc.

Active Publication Date: 2022-05-24
VEGA GRIESHABER GMBH & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Typically, such systems are powered via two-wire lines, so operation of microwave components with high power requirements can only be achieved with a high level of energy management and energy-saving circuit components

Method used

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  • Fill level radar with short measuring times
  • Fill level radar with short measuring times
  • Fill level radar with short measuring times

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Embodiment Construction

[0043] figure 1 The basic components of a radar fill level measuring device 101 are shown, which is also referred to as fill level radar in the context of the present invention. Modern radar fill level measuring devices are used in all industrial fields. Over the years, the transition to higher and higher operating frequencies has taken place, which has made it possible to further reduce the geometry of the antenna of this new type of radar measuring device.

[0044] In the early days of radar fill level measurement devices, initially only large process measurement vessels that needed to determine distances of a few meters made sense, however in recent years vessels less than one meter in size have become the focus of sensor suppliers. In the case of large filling material containers, the filling level is usually changed slowly, while in the case of small containers, the complete filling and / or complete emptying of the container can be accomplished within a few seconds.

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Abstract

The invention relates to a fill level radar having a processor, an analog-to-digital converter circuit and a buffer unit connected between the processor and the analog-to-digital converter circuit. The buffer unit is configured to receive digital signals of the analog-to-digital converter circuit at a first data rate. The processor is configured to read the buffer elements at a second data rate different from the first data rate. Thus, the transmission time can be shortened with the same energy consumption.

Description

technical field [0001] The present invention relates to a measuring device for industrial process automation. In particular, the invention relates to a filling level radar, a measuring device circuit for a measuring device, a method for detecting and processing measurement data of a measuring device, a program element and a computer-readable medium. Background technique [0002] Radar devices for fill level measurement are often based on frequency modulated continuous wave technology also known as FMCW (Frequency Modulated Continuous Wave). Typically, such systems are powered via a two-wire line, so the operation of microwave components with high power requirements can only be achieved with a high level of energy management and energy saving circuit components. [0003] When planning an FMCW system, the time T for which the system can emit microwave signals in the direction toward the filling material surface is an important system parameter. During this duration T, all hi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F23/284
CPCG01F23/284G01F23/802G01F23/804G01L9/00H01Q1/225
Inventor 罗兰·韦勒约尔格·博尔希格卡尔·格里斯鲍姆
Owner VEGA GRIESHABER GMBH & CO