WO2007090421A1 - Appareil de terrain pour l'instrumentation de procédé - Google Patents

Appareil de terrain pour l'instrumentation de procédé Download PDF

Info

Publication number
WO2007090421A1
WO2007090421A1 PCT/EP2006/001114 EP2006001114W WO2007090421A1 WO 2007090421 A1 WO2007090421 A1 WO 2007090421A1 EP 2006001114 W EP2006001114 W EP 2006001114W WO 2007090421 A1 WO2007090421 A1 WO 2007090421A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
field device
bayonet
electronic module
installation
Prior art date
Application number
PCT/EP2006/001114
Other languages
German (de)
English (en)
Inventor
Erik Raun Jensen
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PCT/EP2006/001114 priority Critical patent/WO2007090421A1/fr
Publication of WO2007090421A1 publication Critical patent/WO2007090421A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments

Definitions

  • the invention relates to a field device for the process instrumentation, which is modular, according to the preamble of claim 1.
  • transducers also referred to as sensors
  • actuators can influence the process flow in accordance with detected process variables according to a predetermined strategy.
  • an actuator may be called a control valve, a heater or a pump.
  • Such field devices of the process instrumentation are often modular and have a process-integrated module for installation in a process plant and an electronic module, which is mechanically and electrically connected to the process-related installation module and contains an electronic circuit for operating the process-related built-in module.
  • a transmitter for magneto-inductive flow measurement is a measuring tube with a coil and electrode assembly that can be installed in a pipeline
  • a process-related installation module and a control and evaluation in a separate housing forms an electronic module.
  • the process-oriented installation module and the electronic module are each provided with a short connection, which are joined together with a threaded connection or a flange connection.
  • Electric wires are protected inside the mechanical connection.
  • a threaded connection has the disadvantage that the electric wires when tightened with a number of revolutions, the number corresponds to the threads, twisted because the two modules must be rotated when tightening the thread against each other.
  • the outermost threads can be damaged by tilting the two parts when joining.
  • a flange for example, with four offset by 90 ° to each other screws on the outer flange, on the other hand is disadvantageous that this is relatively expensive and additional parts, namely the screws are required.
  • the assembly of the flanges must be done carefully. In particular, the screws should be tightened with the same torque, so that the flange connection is not distorted.
  • the invention has for its object to provide a field device for process instrumentation with a particularly simple, but mechanically stable connection between a process-related installation module and an electronic module.
  • the invention has the advantage that the connection of the two modules can be made with a simple plug-and-turn motion.
  • a bayonet closure is generally referred to a device for easily releasably connecting two parts in the direction of its longitudinal axis.
  • a connection with the required for the bayonet fitting, mutually corresponding connecting elements is attached to the process-related installation module and the electronics module.
  • One part has a longitudinal slot, at the end of which a short transverse slot attaches at right angles.
  • the other part however, has a button, also called wart, which is inserted into the transverse slot and then causes the fixed mechanical connection.
  • wart also called wart
  • both parts are pressed against each other by a rotational movement.
  • a recess on one side and a correspondingly shaped recess on the other part can be used, as is the case with BNC connectors, for example.
  • the stability transverse to the nozzle axis is given by the height of the superimposed nozzle sections and their nature.
  • the two modules can not be moved in the mounted position due to the bayonet lock in the axial direction against each other.
  • the invention can be used advantageously in a wide range of field instrumentation of process instrumentation, in particular in transducers for magneto-inductive flow measurement, in which a large number of electrical connection wires are required.
  • the male part of the bayonet lock on the inside of a sleeve on a socket of the electronic module and the female part of the bayonet lock on the outside of a nozzle of the process-related mounting module can be formed. This ensures that contaminants can penetrate worse into the interior of the field device, since the electronics module is often mounted above the process-related mounting module.
  • the bayonet lock can be provided with a seal.
  • a stable mechanical connection of the two modules with additional protection against unintentional opening becomes advantageously made possible when the bayonet lock is locked in the assembled state by a screw engaging in the two modules.
  • the bayonet closure can be formed such that the electronic module in four different, mutually offset by 90 ° about the axis of rotation of the bayonet lock positions with the process-related installation module is mechanically connected.
  • Such mutually offset mounting options have the advantage that the electronic module, which often has a control panel, regardless of the installation position of the built-in module for good accessibility of the controls can be aligned.
  • a transmitter as a field device for the process instrumentation is modular in construction according to FIG. 1 and consists of a process-related installation module 1, which is also referred to as a sensor, and an electronics module 2 which contains an electronic circuit for operating the process-integrated installation module 1.
  • the electronic module 2 is provided with an operating and display unit 3.
  • the Control and display unit In a transmitter with a field bus connection for communication with a not shown in Figure 1 control station in a process plant, the Control and display unit alternatively omitted.
  • the two modules 1 and 2 are each provided with a nozzle 4 and 5, which serve for the mechanical connection of the two modules. An electrical wiring between the two modules 1 and 2 is protected from external influences in the interior of the two stubs 4 and 5 and is therefore not visible in this illustration.
  • FIG. 2 shows a connecting piece 21 with a female part of a bayonet closure, which is preferably attached to a process-oriented installation module. It has a longitudinal slot 22, at the end of which a short transverse slot 23 attaches substantially at right angles. The same slot arrangement is repeated over the peripheral area at angular intervals of 90 °. On a stop edge 24, a seal, not shown in the figure can be placed.
  • FIG. 3 shows a bottom plate 30 of a housing of an electronic module.
  • a nozzle 31 is attached, the inside of which forms the male part of a bayonet closure.
  • four warts 32 are attached to the inside, of which only two are visible in FIG.
  • the warts 32 engage in corresponding slots 22 and 23 of the female part according to FIG. 2. In an end position they lock there.
  • a screw can be screwed as rotation in a side wall of the nozzle 31 from the outside.
  • FIG. 3 shows a mechanical connection with four locking elements on each neck for mounting in four different positions. Alternatively, of course, embodiments with a different number of locking elements are possible.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

L'invention concerne un appareil de terrain pour l'instrumentation de procédé comprenant un module (1) à installer à proximité du procédé et un module (2) électronique qui sont reliés mécaniquement par une fermeture à baïonnette. Les deux modules (1, 2) peuvent ainsi être montés l'un sur l'autre par un simple mouvement d'enfichage/rotation, ce qui permet d'obtenir une liaison simple mais mécaniquement stable des pièces. De plus, un câblage qui passe à travers la fermeture à baïonnette n'est que légèrement torsadé lors du montage.
PCT/EP2006/001114 2006-02-08 2006-02-08 Appareil de terrain pour l'instrumentation de procédé WO2007090421A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/001114 WO2007090421A1 (fr) 2006-02-08 2006-02-08 Appareil de terrain pour l'instrumentation de procédé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/001114 WO2007090421A1 (fr) 2006-02-08 2006-02-08 Appareil de terrain pour l'instrumentation de procédé

Publications (1)

Publication Number Publication Date
WO2007090421A1 true WO2007090421A1 (fr) 2007-08-16

Family

ID=37101828

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/001114 WO2007090421A1 (fr) 2006-02-08 2006-02-08 Appareil de terrain pour l'instrumentation de procédé

Country Status (1)

Country Link
WO (1) WO2007090421A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101778545A (zh) * 2008-10-10 2010-07-14 克洛纳测量技术有限公司 电气或电子仪器的外壳
WO2011109206A1 (fr) * 2010-03-04 2011-09-09 Rosemount Inc. Emetteur de variable de traitement doté d'un affichage
DE102017116504A1 (de) * 2017-07-21 2019-01-24 Endress+Hauser Conducta Gmbh+Co. Kg Modulares Messsystem
EP3561457A1 (fr) * 2018-04-26 2019-10-30 Yokogawa Electric Corporation Appareil de mesure
DE102019118805A1 (de) * 2019-07-11 2021-01-14 Endress+Hauser Flowtec Ag Gehäusemodul und Feldgerät
EP3822590A1 (fr) 2019-11-12 2021-05-19 Siemens Aktiengesellschaft Boîtier résistant à la pression protégé contre les explosions
WO2023036582A1 (fr) * 2021-09-10 2023-03-16 Endress+Hauser Flowtec Ag Pièce de fixation pour un boîtier et boîtier pour un dispositif de terrain

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004017026A1 (fr) * 2002-08-13 2004-02-26 Vega Grieshaber Kg Dispositif d'entree et sortie qui peut etre fixe de façon amovible a un appareil electronique

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004017026A1 (fr) * 2002-08-13 2004-02-26 Vega Grieshaber Kg Dispositif d'entree et sortie qui peut etre fixe de façon amovible a un appareil electronique

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101778545A (zh) * 2008-10-10 2010-07-14 克洛纳测量技术有限公司 电气或电子仪器的外壳
EP2175707A3 (fr) * 2008-10-10 2011-01-26 Krohne Messtechnik Gmbh & Co. Kg Boîtier pour un appareil électrique ou électronique
US8269117B2 (en) 2008-10-10 2012-09-18 Krohne Messtechnik Gmbh Housing for an electric or electronic device
CN101778545B (zh) * 2008-10-10 2015-05-20 克洛纳测量技术有限公司 电气或电子仪器的外壳
WO2011109206A1 (fr) * 2010-03-04 2011-09-09 Rosemount Inc. Emetteur de variable de traitement doté d'un affichage
CN102365528A (zh) * 2010-03-04 2012-02-29 罗斯蒙德公司 具有显示器的过程变量变送器
US8334788B2 (en) 2010-03-04 2012-12-18 Rosemount Inc. Process variable transmitter with display
CN102365528B (zh) * 2010-03-04 2014-12-17 罗斯蒙特公司 具有显示器的过程变量变送器
DE102017116504A1 (de) * 2017-07-21 2019-01-24 Endress+Hauser Conducta Gmbh+Co. Kg Modulares Messsystem
US10739294B2 (en) 2017-07-21 2020-08-11 Endress+Hauser Conducta Gmbh+Co. Kg Modular measuring system
EP3561457A1 (fr) * 2018-04-26 2019-10-30 Yokogawa Electric Corporation Appareil de mesure
JP2019191056A (ja) * 2018-04-26 2019-10-31 横河電機株式会社 測定装置
US11162828B2 (en) 2018-04-26 2021-11-02 Yokogawa Electric Corporation Sensor probe having a circuit housing fixable at a plurality of rotation positions
DE102019118805A1 (de) * 2019-07-11 2021-01-14 Endress+Hauser Flowtec Ag Gehäusemodul und Feldgerät
US11877417B2 (en) 2019-07-11 2024-01-16 Endress+Hauser Flowtec Ag Housing module and field device
EP3822590A1 (fr) 2019-11-12 2021-05-19 Siemens Aktiengesellschaft Boîtier résistant à la pression protégé contre les explosions
US11217401B2 (en) 2019-11-12 2022-01-04 Siemens Aktiengesellschaft Explosion proof pressure resistant housing
WO2023036582A1 (fr) * 2021-09-10 2023-03-16 Endress+Hauser Flowtec Ag Pièce de fixation pour un boîtier et boîtier pour un dispositif de terrain

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