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Device for transmitting electric energy and information

A technology for transmitting electric energy and transmission units, which is applied in the direction of measuring devices and instruments, and can solve problems such as high cost and space consumption

Active Publication Date: 2010-11-24
EHNDRESS KHAUZER GMBKH KO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This also leads to high costs and space consumption if each field device requires its own power supply or communication equipment

Method used

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  • Device for transmitting electric energy and information
  • Device for transmitting electric energy and information
  • Device for transmitting electric energy and information

Examples

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Embodiment Construction

[0020] figure 1 The structure according to the invention is schematically shown, by means of which a digital bidirectional data flow (eg for parameterizing or reading out a measurement channel) can be realized via a single galvanically isolated interface. Here, the transfer unit 3 is located between the primary side 1 and the secondary side 2 . Here, the primary side and the secondary side can differ, for example, with regard to whether there is an explosion risk. For example, primary side 1 here is the side with no explosion hazard. On this side there is then, for example, a power supply and / or a console and / or similar control system or parameterization input system. Usually the primary side 1 is then not the side of the actual process and not the area in which the process to be monitored or measured is located. Here, the process is located on the secondary side 2 .

[0021] For example, two different sensors (for example a temperature sensor and a fill level measuring in...

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PUM

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Abstract

The invention relates to a device for transmitting electric energy and data between a primary side (1) and a secondary side (2). According to the invention, at least one transmission unit (3) is provided between the primary side (1) and the secondary side (2) such that at least one first data channel (6) is provided on the secondary side (2), said data channel being provided with at least one address, and at least one frequency control unit (4) is provided on the primary side (1), said frequency control unit being designed such it adjusts the working frequency of the transmission unit (3) corresponding to the data that is to be transmitted and / or corresponding to the address at least of the first data channel (6), and at least one load adjusting unit (5) is arranged on the secondary side (2) and is designed in such a manner that it adjusts the electric load that is applied to the transmission unit (3) on the secondary side (2) of the transmission unit (3), corresponding to the data that is to be transmitted and / or corresponding to the address at least of the first data channel (6).

Description

technical field [0001] The invention relates to a device for transmitting electrical energy and data between a primary side and a secondary side. Background technique [0002] In modern process and automation technology, a series of measuring or data recording instruments are used to monitor or control processes or to record events. If the medium or the process to be monitored is located in an area at risk of explosion, galvanic isolation is often required, but it must be possible via this galvanic isolation to transmit energy and information or data to field devices located in the area at risk of explosion. [0003] Various solutions are known for this in the prior art; see, for example, DE 2 321 900, EP 0977 406 A1 or EP 0 927 982 B1. However, they are very complex and expensive. Another option is to transmit the required energy via a transformer and transmit the data via an optocoupler, where a corresponding unit is used on each side of the galvanic isolation for bidire...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/00
CPCG01D21/00
Inventor 马库斯·韦尔勒迈克尔·瓦恩金
Owner EHNDRESS KHAUZER GMBKH KO KG