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Measuring device used in process technology, comprising a central power supply unit

A measurement equipment and central technology, applied in the direction of measurement devices, using electric/magnetic devices to transmit sensing components, electrical components, etc., can solve the problems of inability to provide power supply, different power consumption of measurement modules, etc., and achieve cost reduction and reduction Complex structure, effect of reduced sensitivity

Inactive Publication Date: 2005-08-24
ENDRESSHAUSER CONDUCTA GMBHCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Further, the power consumption of the measurement modules is very different, which is why the existing technology cannot provide power to a central unit with high efficiency at all operating points

Method used

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  • Measuring device used in process technology, comprising a central power supply unit
  • Measuring device used in process technology, comprising a central power supply unit
  • Measuring device used in process technology, comprising a central power supply unit

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Embodiment Construction

[0039] exist figure 1 In the illustrated form of embodiment of the measuring device of the invention, a central unit 1 and two measuring modules 2, 3 are shown.

[0040] The central unit 1 has a central power supply 4 for supplying the measuring modules 2 , 3 .

[0041] The central power supply 4 is constituted, for example, by a transformer protected, if necessary, by a self-healing overload protector or by a melting type fuse, and which supplies alternating current at a frequency of 50 Hz.

[0042] The measurement module 2 has a module power supply 2', and the measurement module 3 has a module power supply 3'. The module power supplies 2', 3' are connected to the central power supply 4, and convert the AC voltage provided by the central power supply 4 into the power supply voltages V_2, V_3 required by the measurement modules 2, 3.

[0043] To this end, the modular power supply 2' comprises a transformer connected directly to the central power supply 4. The transform...

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Abstract

The invention relates to a measuring device used in process technology, comprising a central unit (1) to be connected to different measuring modules (2, 3). Said central unit (1) is provided with a central power supply unit (4) to which the measuring modules (2, 3) can be connected. The measuring module (2, 3) is provided with a module supply unit (2', 3') which generates one or several supply voltage / s (V_2, V_3) required by the measuring module from the central power supply unit (4), wherefore the module supply unit comprises a transformer, a rectifier circuit, or also a switched-mode power supply.

Description

technical field [0001] The invention relates to a measuring device for process technology having a central unit to which a plurality of measuring modules are connected, wherein the central unit contains a central power supply to which the measuring modules can be connected. [0002] The invention also relates to a method for operating a measuring device in process technology, which has a central unit for connecting different measuring modules. Background technique [0003] Known measuring devices are often equipped with technically very complex power supplies which have to supply many different supply voltages. [0004] In addition to the central unit itself, this power supply must also be supplied to the measuring modules which can be connected to the central unit. Depending on the purpose of the application, these measurement modules feature a wide variety of sensor types, which often require special supply voltages. [0005] Further, the power consumption of the measure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/00G05B19/418G08C19/00H02J4/00H04B3/54
CPCG01D5/14
Inventor 马丁·格尔克斯特凡·博伊尔
Owner ENDRESSHAUSER CONDUCTA GMBHCO
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