EP3066733A1 - Circuit d'entrée permettant de fournir une tension d'alimentation - Google Patents

Circuit d'entrée permettant de fournir une tension d'alimentation

Info

Publication number
EP3066733A1
EP3066733A1 EP14793091.1A EP14793091A EP3066733A1 EP 3066733 A1 EP3066733 A1 EP 3066733A1 EP 14793091 A EP14793091 A EP 14793091A EP 3066733 A1 EP3066733 A1 EP 3066733A1
Authority
EP
European Patent Office
Prior art keywords
input
input circuit
path
field device
output
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP14793091.1A
Other languages
German (de)
English (en)
Inventor
Marc Fiedler
Ralph Stib
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Endress and Hauser SE and Co KG
Original Assignee
Endress and Hauser SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Endress and Hauser SE and Co KG filed Critical Endress and Hauser SE and Co KG
Publication of EP3066733A1 publication Critical patent/EP3066733A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J5/00—Circuit arrangements for transfer of electric power between ac networks and dc networks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering

Definitions

  • Input circuit for providing a supply voltage
  • the invention relates to an input circuit for providing a
  • the invention relates to the use of the input circuit, a field device and a method for providing a
  • Field devices such as those sold by the Applicant, require an energy supply to operate them.
  • a power supply for example in the form of a supply voltage
  • Such a power supply can be provided to the field devices today in various ways.
  • a disadvantage of the known field devices is that they only for one form of o.g. Power supply are designed.
  • the invention is therefore based on the object of specifying a possibility which makes it possible to supply a field device in various ways with the energy required for operation.
  • the object is achieved by an input circuit, a field device, a method and the use of the input circuit.
  • the object is achieved by an input circuit for providing a supply voltage, which input circuit
  • Input side has a first input, wherein the input circuit
  • On the output side has an output which serves to connect an electronic unit, wherein the supply voltage via the first input to the output of the input circuit is transferable, wherein the first input of the
  • Input circuit via a first path to the output of the input circuit is connected, wherein in the first path, a switching unit is provided, which serves for connecting the first input to an auxiliary terminal of the input circuit.
  • the switching unit serves to electrically connect the first input to the auxiliary terminal or to divert at least a portion of the electrical power introduced via the first input to the auxiliary terminal of the first input
  • the input circuit can therefore be used to connect the electronics unit to a
  • the electronics unit can thus be connected via the input circuit to a power supply which provides an electrical supply voltage.
  • the electronic unit is preferably a
  • the input circuit is preferably on a carrier element, such as a
  • the first path can consist of a conductor track which connects the first input to the output.
  • the auxiliary connection can be connected to the switching unit via a further path.
  • This second path can also consist of a conductor track.
  • one or more cables can be provided by means of which the o.g. Components are connected.
  • the switching unit serves for
  • the connection between the first input and the output and thus the power supply of the operating electronics can be interrupted via the first path.
  • a connection between the first input and the auxiliary connection can thus be established.
  • the switching unit is arranged correspondingly in the first path.
  • the auxiliary terminal serves to connect a switching power supply.
  • the auxiliary terminal like the first input or the output of the input circuit, can have one or more contacts for connecting a switched-mode power supply, a power supply or the electronics unit.
  • the output may be direct, i. without appropriate contacts, with the
  • the input circuit would then have contacts for connection to the first input and to the auxiliary terminal in such a case.
  • the input circuit has a second input on the input side, wherein the second input of the
  • Input circuit is connected via a second path to the output of the input circuit, wherein the supply voltage for operating the electronic unit via the first and / or the second input to the output of the input circuit is transferable.
  • the second input may also have contacts for connection.
  • the second path can consist of a conductor track or a cable, as described above.
  • the input circuit preferably between the first input and the switching unit, there is a tap on the first path via which at least part of the electrical power introduced via the first input, preferably to the auxiliary connection, can be diverted.
  • the tap forms an electrical contact with the first path is connected to the auxiliary terminal.
  • the second input serves to receive at least a portion of the electrical power diverted from the tap on the first path via the auxiliary terminal, and preferably the switching power supply.
  • the tap serves to at least partially redirect the introduced electrical power via the second input and / or the second path to the output of the input circuit.
  • the tap serves to at least partially redirect the electrical power introduced via the first input via the auxiliary connection, particularly preferably when the switching unit has interrupted the first path.
  • the input circuit is in the first path, preferably between the first input and the switching unit, a
  • Monitoring unit for current or voltage monitoring is provided.
  • the monitoring unit can thus serve to introduce the first input to monitor electrical power.
  • Corresponding voltage monitoring such as, for example, in the form of a comparator circuit are known in the art.
  • the monitoring unit is designed such that in the event that at the first input, a current or voltage is applied, which exceeds a predetermined threshold, the first path is interrupted by means of the switching unit.
  • the power supply outputs a supply voltage which does not have the required value required for operating the electronic unit, it can be routed to the output via the second path.
  • the monitoring unit is used to control the switching unit.
  • the monitoring unit can provide a corresponding output signal which serves to drive the switching unit.
  • the first input of the input circuit serves to connect a mains voltage or another energy source to the energy supply, such as, for example, a solar panel.
  • the first input can also serve to connect a battery unit.
  • the second input of the input circuit is used to connect a switching power supply or a battery unit.
  • the second input is used only for connecting a switching power supply.
  • the object is achieved by a field device with a
  • the operating electronics can include the input circuit.
  • the input circuit can therefore be part of the operating electronics of the field device.
  • operating electronics of the field device are understood to be all electronic units of a field device which serve or are required for carrying out the functions and / or functionalities of the field device.
  • the field device has a switched-mode power supply which, between the tap on the first path and the second input of the
  • the Input circuit is arranged.
  • the switching power supply can be connected via the auxiliary terminal and the second input to the input circuit.
  • the switching power supply can therefore be looped between the auxiliary terminal and the second input.
  • the field device has a
  • connection for the first input of the input circuit outside the housing or on the housing of the field device in particular in the form of a terminal.
  • connection for the second input of the input circuit within a housing of the field device.
  • the object is achieved by a method for providing a power supply, which power supply is preferably used to operate an electronics unit of a field device, wherein an input circuit is provided, the input side, a first input, wherein an electronic unit on the
  • Input circuit is supplied with electrical energy, in which case that a
  • Power source is connected to the first input, the electronic unit (BE) via a first path (P!) Between the first input (E1) and the output (A1) is supplied with electrical energy,
  • the first input is connected to an auxiliary terminal of the input circuit.
  • the input circuit has a second input, wherein in the event that a power source is connected to the second input, the electronic unit is supplied with electrical energy via a second path between the second input and the output.
  • the first path in the event that the electrical power introduced via the first input exceeds a predetermined threshold value, the first path is interrupted.
  • Input circuit after one of the o.g. Embodiments for providing a supply voltage for operating an electronic unit of a field device solved.
  • 1 shows a schematic representation of an embodiment of an input circuit
  • 2 shows a schematic representation of a field device.
  • FIG. 1 shows a schematic representation of an input circuit E which has a first input E1 and a second input E2 as well as an output A1.
  • the input circuit E has an auxiliary terminal H1.
  • the first input E1 is connected via a first path P1 to the output A1.
  • the second input E2 is connected to output A1 via a second path P2.
  • the first and the second path P1, P2 run parallel between the first and the second input E1, E2 and the output A1.
  • the auxiliary terminal H1 is connected to the first path P1 via a tap G.
  • the tap G is arranged between the first input E1 and a rectifier W or a voltage monitor SP or a switching unit S.
  • the switching unit S can, for example, consist of a relay or another component which serves to interrupt the first path P1. Alternatively, for example, a transistor can also be provided which regulates or controls the electrical power transmitted via the first path P1 to the output A1.
  • the first input E1, the second input E2 and the auxiliary terminal H1 can be contacted via corresponding contact elements, such as, for example, terminals or plug contacts.
  • the voltage monitoring SP is arranged between the first input E1 and the output A1.
  • a Wheatstone bridge can be provided.
  • the switching unit S is arranged between the voltage monitoring SP or the tap G on the first path P1 for the voltage monitoring SP and the output A1.
  • the switching unit S consists of elements for interrupting the first path P1.
  • only a partial interruption may be present, so that the power or energy introduced via the first input E1 is diverted to the auxiliary connection H1.
  • To tap this electrical power at the auxiliary terminal H1 is a corresponding tap G in the first path between the first input and the rectifier W or the
  • the second input E2 of the input circuit E is connected to the output A1 of the input circuit E via a second path P2.
  • a second path P2 Preferably, as in FIG. 1 No further components are present in the second path P2 between the second input E2 and the output A1.
  • the input circuit E can then in a first operating mode via the first path P1 electrical energy to a downstream connected to the output A1
  • Conduct electronic unit BE For example.
  • a solar panel which outputs a comparatively low voltage of, for example, 24 V can be connected to the first input E1.
  • Input circuit E with mains voltage - thus, for example, about 220V- are supplied.
  • the voltage monitor SP would detect the exceeding of a predetermined threshold and interrupt the first path P1.
  • For the voltage monitoring SP can be a corresponding control signal to the
  • Input circuit E are output.
  • a battery unit in a third operating mode of the input circuit E, can be connected to the second input E2 of the input circuit E and the electric power delivered by the battery unit can be transmitted as a supply voltage via the second path P2 to the output A1 of the input circuit E.
  • FIG. 2 shows a schematic representation of a field device F with a first input arranged externally on the field device housing G.
  • the first input E1 may be arranged outside the housing G.
  • the first input E1 is connected to the input circuit E shown in FIG. 1 or part thereof. While the first input E1 of the input circuit E is thus arranged outside on the housing G or outside the housing G, the second input E2 is arranged within the housing G.
  • the housing may have a chamber which serves to receive a battery unit and / or a switched-mode power supply. In this chamber, the second input E2 and the auxiliary terminal H1 of the input circuit E can then be arranged.
  • the field device F shown in FIG. 2 also has a display D for displaying, for example, measured values.
  • the field device F shown in FIG. 2 has a sensor element SE for determining a process variable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

L'invention concerne un circuit d'entrée (E) permettant de fournir une tension d'alimentation, ledit circuit d'entrée (E) comprenant côté entrée une première entrée (E1). Le circuit d'entrée (E) comprend côté sortie une sortie (A1) servant au raccordement d'une unité électronique (BE). La tension d'alimentation peut être transférée à la sortie du circuit d'entrée en passant par la première entrée. La première entrée du circuit d'entrée est reliée par une première voie à la sortie du circuit d'entrée, une unité de commutation, laquelle sert à relier la première entrée à un raccordement auxiliaire du circuit d'entrée, étant présente dans la première voie.
EP14793091.1A 2013-11-08 2014-11-03 Circuit d'entrée permettant de fournir une tension d'alimentation Ceased EP3066733A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310112300 DE102013112300A1 (de) 2013-11-08 2013-11-08 Eingangsschaltung zur Bereitstellung einer Versorgungsspannung
PCT/EP2014/073508 WO2015067544A1 (fr) 2013-11-08 2014-11-03 Circuit d'entrée permettant de fournir une tension d'alimentation

Publications (1)

Publication Number Publication Date
EP3066733A1 true EP3066733A1 (fr) 2016-09-14

Family

ID=51846648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14793091.1A Ceased EP3066733A1 (fr) 2013-11-08 2014-11-03 Circuit d'entrée permettant de fournir une tension d'alimentation

Country Status (5)

Country Link
US (1) US10320189B2 (fr)
EP (1) EP3066733A1 (fr)
CN (1) CN105814763B (fr)
DE (1) DE102013112300A1 (fr)
WO (1) WO2015067544A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017111431A1 (de) 2017-05-24 2018-11-29 Endress+Hauser SE+Co. KG Primärgetaktetes Schaltnetzeil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0260474A1 (fr) * 1986-09-18 1988-03-23 International Business Machines Corporation Systèmes adaptateurs pour source d'énergie
DE4410902A1 (de) * 1994-03-29 1994-10-13 Wolf Gmbh Richard Netzgerät
EP0831582A2 (fr) * 1996-09-24 1998-03-25 Veba Kraftwerke Ruhr Aktiengesellschaft Dispositif pour adapter une charge à la tension du réseau d'alimentation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415964A (en) * 1981-12-28 1983-11-15 Scharfe Jr James A Power supply
JP2008069000A (ja) 2006-09-15 2008-03-27 Toshiba Elevator Co Ltd エレベータ装置
DE202007018507U1 (de) 2007-01-04 2008-09-11 Dehn + Söhne Gmbh + Co. Kg Überspannungsschutzeinrichtung für den Einsatz in Gleichstromnetzen, insbesondere für Photovoltaik-Anlagen
US8169196B2 (en) * 2007-06-27 2012-05-01 Sony Mobile Communications Ab Charging device
CN102301293B (zh) 2009-01-28 2014-05-14 倍加福有限公司 具有冗余干线的电路
WO2012065620A1 (fr) 2010-11-15 2012-05-24 Siemens Aktiengesellschaft Commutation rapide dans un système d'alimentation en énergie électrique
DE102010063783A1 (de) 2010-12-21 2012-06-21 Endress + Hauser Process Solutions Ag Feldgerät mit einer Batterieeinheit
DE102011076708A1 (de) 2011-05-30 2012-12-06 Endress + Hauser Process Solutions Ag Funkeinheit mit einer Versorgungsschaltung zur Spannungsversorgung und Verfahren zum Betreiben einer solchen Funkeinheit
DE102011076706A1 (de) 2011-05-30 2012-12-06 Endress + Hauser Process Solutions Ag Elektrische und/oder elektronische Versorgungsschaltung und Verfahren zum Bereitstellen einer Versorgungsspannung
US9136733B2 (en) * 2011-06-23 2015-09-15 Stmicroelectronics International N.V. System and method for switching between a first supply voltage and a second supply voltage of a load
CN103312166A (zh) * 2012-03-13 2013-09-18 鸿富锦精密工业（深圳）有限公司 电源管理电路及电子设备
JP5902998B2 (ja) * 2012-05-28 2016-04-13 ルネサスエレクトロニクス株式会社 半導体集積回路およびその動作方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0260474A1 (fr) * 1986-09-18 1988-03-23 International Business Machines Corporation Systèmes adaptateurs pour source d'énergie
DE4410902A1 (de) * 1994-03-29 1994-10-13 Wolf Gmbh Richard Netzgerät
EP0831582A2 (fr) * 1996-09-24 1998-03-25 Veba Kraftwerke Ruhr Aktiengesellschaft Dispositif pour adapter une charge à la tension du réseau d'alimentation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015067544A1 *

Also Published As

Publication number Publication date
DE102013112300A1 (de) 2015-05-13
US20160294183A1 (en) 2016-10-06
US10320189B2 (en) 2019-06-11
CN105814763A (zh) 2016-07-27
CN105814763B (zh) 2019-01-22
WO2015067544A1 (fr) 2015-05-14

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