EP1632679B1 - Controleur de position électropneumatique - Google Patents

Controleur de position électropneumatique Download PDF

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Publication number
EP1632679B1
EP1632679B1 EP20050019359 EP05019359A EP1632679B1 EP 1632679 B1 EP1632679 B1 EP 1632679B1 EP 20050019359 EP20050019359 EP 20050019359 EP 05019359 A EP05019359 A EP 05019359A EP 1632679 B1 EP1632679 B1 EP 1632679B1
Authority
EP
European Patent Office
Prior art keywords
valve
air
connections
supply
connection
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.)
Expired - Fee Related
Application number
EP20050019359
Other languages
German (de)
English (en)
Other versions
EP1632679A1 (fr
Inventor
Andre-Heinrich Meinhof
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.)
Siemens AG
Original Assignee
Siemens AG
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1632679A1 publication Critical patent/EP1632679A1/fr
Application granted granted Critical
Publication of EP1632679B1 publication Critical patent/EP1632679B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0807—Manifolds

Definitions

  • Pneumatic actuators are frequently used to control process valves, in which a membrane acting on the actuator is pressurized and thus deflected by means of a gaseous medium, for which the term "air” is generally used here.
  • the pressurization can take place on one side, wherein the membrane is loaded on the other side with a spring, or it can be done on two sides, with different pressures on both sides of the membrane cause the deflection.
  • the regulation of the pressures is carried out by an electropneumatic positioner in which an electrically controllable valve pressurized supply air distributed depending on the control via two exhaust ports on the two sides of the membrane in the actuator.
  • the invention is thus according to the preamble of claim 1 of an electropneumatic positioner, with an external pneumatic interface having a supply air connection and two exhaust ports for connecting a pneumatically driven actuator, and arranged in the positioner with an electrically controllable valve over Depending on the control, compressed air supplied via the supply air connections is distributed to the exhaust air connections via the control air connections to the exhaust air connections.
  • Positioner or controlled by them actuators are usually designed so that in the idle state and thus also in case of failure of the electrical energy or the air supply, the process valve a predetermined safe position takes and holds. Depending on the circumstances, this safety position may be an open or a closed process valve.
  • the invention has for its object to be able to adapt to the requirements of the process with the simplest possible design means the safety position of the process valve.
  • the positioner has an inner interface for the valve with an additional supply air connection and two additional exhaust connections, which are directly connected to the supply air connection and the exhaust connections of the external interface, the valve can be mounted in two different installation positions and that the additional supply air connection and the additional exhaust connections of the inner interface and the further supply air connection and the control air connections of the valve are arranged in matching connection patterns such that each of the two control air connections of the valve in the two different installation positions each one of the two additional exhaust ports of the inner interface is aligned and the supply air connections of the valve and the inner interface in both A Building layers of the valve are connected in alignment with each other.
  • a change in the safety position of the process valve can thus be brought about by a simple change in the installation position of the valve in the electropneumatic positioner according to the invention.
  • the supply air port and the exhaust ports of the outer interface are arranged in the same connection pattern as that of the inner interface so that the inner interface ports are aligned with the corresponding outer port ports.
  • the electrical connections of the valve can be arranged on one side of the valve, the position of which is independent of the respective mounting position of the valve.
  • the electrical connections can be arranged in duplicate on two sides of the valve, wherein in each of the two mounting positions of the valve, either one or the other of the two sides in one and the same direction.
  • the inner interface of the positioner may have two electrical connector parts in such an arrangement that the electrical connections of the valve are connected in each of the two mounting positions with one of the two connector parts.
  • FIG. 1 shows an actuating device 1, here a pivot drive whose current pivot position is detected by a rotary shaft 2.
  • a positioner 3 is mounted, which detects the current pivot position of the actuator 1 and depending on an electric valve 4 controls that supplies the actuator 1 via two exhaust ports not shown here with compressed air. Depending on the compressed air supply, the actuator 1 changes the pivot position or retains it.
  • the positioner 3 has an external pneumatic interface 5 for connection to the actuating device 1 and an inner interface 6 for connection to the valve 4.
  • FIG. 2 shows the housing bottom 7 of the open positioner 3 with a passage opening 8 for the shaft 2.
  • the not visible here external interface 5 to the actuator 1 has a supply air connection for supplying compressed air into the positioner 3 and two exhaust ports.
  • the inner interface 6 has, in the same connection pattern, an additional supply air connection 9 and two additional exhaust air connections 10 and 11, which are aligned with the corresponding connections of the outer interface 5. Furthermore, two threaded holes 12 and 13 are provided for fastening the valve 4.
  • the valve 4 contains, in the same connection pattern as the inner interface 6, a valve-own supply air connection 14 and two further exhaust connections 15 and 16.
  • the connection pattern is radially symmetrical, the supply air connection 9 or 14 being in the middle and the exhaust air connections 10, 11 or the control air connections 15, 16 face each other diagonally.
  • the valve 4 can therefore be mounted in two position of rotation rotated by 180 ° to each other in the positioner 3, wherein in the one installation position shown here the control air connection 15 of the valve 4 with the exhaust port 10 of the inner interface 6 and the control air connection 16 with the exhaust port 11 is aligned and in the other rotated by 180 ° mounting position of the control air port 15 of the valve 4 with the exhaust port 11 of the inner interface 6 and the control air port 16 is aligned with the exhaust port 10.
  • Electrical connections 17, 18 are in duplicate on two opposite Side of the valve 4 is provided so that in each installation position of the valve 4 one of the two sides with the terminals 17 and 18 in one and the same direction. The electrical connection of the valve 4 with the rest, not shown here electronics of the positioner is thus independent of the mounting position of the valve 4.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
  • Fluid-Driven Valves (AREA)

Claims (5)

  1. Régulateur électropneumatique de position ayant une interface (5) pneumatique extérieure qui comporte un raccord d'air d'entrée et deux raccords d'air de sortie pour raccorder un actionneur (1) à commande pneumatique, et ayant une électrovanne (4) électrique et placée dans le régulateur de position (3), laquelle vanne est en relation avec le raccord d'air d'entrée de l'interface (5) par l'intermédiaire d'un raccord d'air d'entrée (14) propre à la vanne et avec les raccords d'air de sortie de l'interface (5) par l'intermédiaire de deux raccords d'air de réglage (15, 16) propres à la vanne et répartit sur les raccords d'air de sortie, en fonction de la commande, l'air comprimé acheminé par l'intermédiaire des raccords d'air d'entrée (14) au moyen des raccords d'air de réglage (15, 16), caractérisé en ce que
    - le régulateur de position (3) est muni d'une interface intérieure (6) pour la vanne (4) comportant un raccord (9) supplémentaire d'air d'entrée et deux raccords (10, 11) supplémentaires d'air de sortie qui sont directement reliés aux raccords d'air d'entrée et aux raccords d'air de sortie de l'interface extérieure (5),
    - la vanne (4) peut être montée selon deux positions différentes de montage et
    - le raccord (9) supplémentaire d'air d'entrée et les raccords (10, 11) supplémentaires d'air de sortie de l'interface intérieure (6) et l'autre raccord d'air d'entrée (14) ainsi que les raccords d'air de réglage (15, 16) de la vanne (4) sont disposés selon des modèles correspondants de raccordement de telle manière
    - que dans les deux positions différentes de montage chacun des deux raccords d'air de réglage (15, 16) de la vanne (4) est respectivement relié en étant aligné à un autre des deux raccords (10, 11) supplémentaires d'air de sortie de l'interface intérieure (6) et que les raccords d'air d'entrée (14, 16) de la vanne (4) et de l'interface intérieure (6) sont reliés l'un à l'autre en étant alignés dans les deux positions de montage de la vanne (4).
  2. Régulateur électropneumatique de position selon la revendication 1, caractérisé en ce que le raccord d'air d'entrée et les raccords d'air de sortie de l'interface extérieure (5) sont disposés selon le même modèle de raccordement que ceux de l'interface intérieure (6).
  3. Régulateur électropneumatique de position selon la revendication 1 ou 2, caractérisé en ce que les raccords électriques de la vanne (4) se trouvent d'un côté de la vanne (4) et que leur position ne dépend pas de ce que la vanne (4) ait l'une ou l'autre position de montage.
  4. Régulateur électropneumatique de position selon la revendication 1 ou 2, caractérisé en ce que les raccords électriques (17, 18) de la vanne (4) sont réalisés en double de deux côtés de la vanne (4) de sorte que dans chacune des deux positions de montage de la vanne (4), soit l'un soit l'autre des deux côtés est orienté dans un seul et même sens.
  5. Régulateur électropneumatique de position selon la revendication 1 ou 2, caractérisé en ce que l'interface intérieure (6) dispose de deux parties de connecteur électrique dans un agencement tel que des bornes électriques de la vanne sont reliées dans chacune des deux positions de montage de la vanne (4) à l'une des deux parties de connecteur.
EP20050019359 2004-09-06 2005-09-06 Controleur de position électropneumatique Expired - Fee Related EP1632679B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410043062 DE102004043062B3 (de) 2004-09-06 2004-09-06 Elektropneumatischer Stellungsregler

Publications (2)

Publication Number Publication Date
EP1632679A1 EP1632679A1 (fr) 2006-03-08
EP1632679B1 true EP1632679B1 (fr) 2008-03-26

Family

ID=35134642

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050019359 Expired - Fee Related EP1632679B1 (fr) 2004-09-06 2005-09-06 Controleur de position électropneumatique

Country Status (2)

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EP (1) EP1632679B1 (fr)
DE (2) DE102004043062B3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010014629A1 (de) 2010-04-12 2011-10-13 Siemens Aktiengesellschaft Anordnung mit einem elektropneumatischen Stellungsregler und mit einem pneumatischem Antrieb sowie Absperreinrichtung für eine derartige Anordnung
DE102011084097B3 (de) * 2011-10-06 2012-10-11 Siemens Aktiengesellschaft Umschalteinrichtung für eine Anordnung mit einem elektropneumatischen Stellungsregler und einem pneumatischen Antrieb

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2483506B (en) * 2010-09-11 2017-05-24 Bifold Fluidpower Ltd Valve mounting arrangement
DE102011084096B4 (de) 2011-10-06 2013-05-23 Siemens Aktiengesellschaft Adapter für eine Anordnung mit einem Ventil und einem Stellgerät
DE102012021387B3 (de) * 2012-10-31 2014-02-13 Samson Ag Elektropneumatisches Feldgerät und elektropneumatische Baugruppe
EP3599402A1 (fr) 2018-07-25 2020-01-29 SISTO Armaturen S.A. Prise d'air de commande d'une unité pneumatique

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3235015A1 (de) * 1982-09-22 1984-03-22 Danfoss A/S, 6430 Nordborg Pneumatische stellvorrichtung
DE4244573C2 (de) * 1992-12-30 1995-10-19 Samson Ag Pneumatischer Membranstellantrieb
DE29613138U1 (de) * 1996-07-29 1997-09-04 Siemens AG, 80333 München Pneumatischer Regelantrieb sowie Verblockventil für einen derartigen pneumatischen Regelantrieb
DE19830084C1 (de) * 1998-07-06 1999-10-21 Richter Albert Ari Armaturen Stellventil
DE19932743C2 (de) * 1999-07-14 2003-10-09 Thomas Scholzen Regelventilanlage mit pneumatischem Stellantrieb
DE19943691C2 (de) * 1999-09-06 2003-03-13 Rexroth Mecman Gmbh Wegeventil
DE20008931U1 (de) * 2000-05-19 2001-06-28 Siemens Ag Stellungsregler, insbesondere für ein durch einen Antrieb betätigbares Ventil, mit eigensicherem Aufbau

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010014629A1 (de) 2010-04-12 2011-10-13 Siemens Aktiengesellschaft Anordnung mit einem elektropneumatischen Stellungsregler und mit einem pneumatischem Antrieb sowie Absperreinrichtung für eine derartige Anordnung
WO2011128345A1 (fr) 2010-04-12 2011-10-20 Siemens Aktiengesellschaft Ensemble comprenant un régulateur de position électropneumatique et un entraînement pneumatique et dispositif d'arrêt pour un tel ensemble
DE102011084097B3 (de) * 2011-10-06 2012-10-11 Siemens Aktiengesellschaft Umschalteinrichtung für eine Anordnung mit einem elektropneumatischen Stellungsregler und einem pneumatischen Antrieb

Also Published As

Publication number Publication date
EP1632679A1 (fr) 2006-03-08
DE502005003431D1 (de) 2008-05-08
DE102004043062B3 (de) 2006-04-13

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