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Probe for phase change detection

A technology for detecting containers and media, which is applied in the field of probes for detecting phase changes in containers, and can solve problems such as sensor intrusion, complicated cost, and sensor failure to piggage

Pending Publication Date: 2022-03-11
ENDRESSHAUSER CONDUCTA GMBHCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this approach proved to be too complex and costly
Another disadvantage of these sensors is that these sensors protrude into the tube cross-section
As a result, these sensors cannot be pigged and product may adhere to the sensor surface

Method used

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  • Probe for phase change detection
  • Probe for phase change detection
  • Probe for phase change detection

Examples

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Embodiment Construction

[0027] The claimed probe is denoted in its entirety by reference number 1, and in figure 1 shown in .

[0028] A hermetically sealed probe 1 of hygienic design is presented which detects phase boundaries of different liquid media in industrial processes by means of microwave technology. “Gas-tight” is understood in this context to mean that fluids such as the medium to be measured, air or dust cannot penetrate from the outside. Also does not include any electrical feedthroughs.

[0029] The probe 1 operates in the frequency range of 100 to 10000 MHz, but preferably in the range of 500 to 3000 MHz. The probe operates at at least one frequency.

[0030] In one embodiment, instead of using only one measurement frequency, switching between several fixed frequencies occurs, or the measurement frequency is continuously changed within a defined range. Due to the different penetration depths or the available analyzable volume ranges, then, in addition to detecting the phase bounda...

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PUM

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Abstract

The invention relates to a probe for phase change detection. A probe for detecting a change in a medium in a container, the probe comprising: a process connection for connecting the probe to the container wherein the process connection is part of a housing, in particular an integral part of the housing; the invention relates to a microwave device comprising a housing comprising at least one microwave chip for generating microwaves and connected to at least one antenna, where the antenna emits and receives the microwaves in the direction of a medium; an interface for connecting the probe to a superordinate unit; and a data processing unit, which is designed to receive data, in particular measurement data, from a superordinate unit via the interface, and which is designed to transmit the data to the superordinate unit in order to activate the microwave chip and to process a signal dependent on the received microwaves.

Description

technical field [0001] The invention relates to a probe for detecting phase changes in containers. Background technique [0002] Often, further optimization of the process is desired by industry for cost reasons. Therefore, various processes with various process media are often used in the same system in a chronologically continuous manner. Primarily in the food industry, but also in the chemical, petroleum and paper industries, the aim is therefore to detect differences in media and to activate the associated process steps with a minimum of unnecessary product losses. [0003] Therefore, in the food industry, it is necessary to clean the production line at regular intervals. These cleaning processes lead to phase transitions between the cleaning medium and the product, which must be detected quickly and reliably. In addition, product-to-product variations are common, where the corresponding purity or quality of the reaction product needs to be identified as quickly as po...

Claims

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Application Information

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IPC IPC(8): G01N22/00
CPCG01N22/00G01F23/284G01F23/0046G01F23/80
Inventor 罗尼·格罗斯-乌尔曼安德烈亚斯·埃贝尔海姆托尔斯滕·佩希施泰因
Owner ENDRESSHAUSER CONDUCTA GMBHCO
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