EP3673720A1 - Appareil de terrain modulaire - Google Patents

Appareil de terrain modulaire

Info

Publication number
EP3673720A1
EP3673720A1 EP18759601.0A EP18759601A EP3673720A1 EP 3673720 A1 EP3673720 A1 EP 3673720A1 EP 18759601 A EP18759601 A EP 18759601A EP 3673720 A1 EP3673720 A1 EP 3673720A1
Authority
EP
European Patent Office
Prior art keywords
electronic component
field device
elastic connection
housing
plug contact
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.)
Withdrawn
Application number
EP18759601.0A
Other languages
German (de)
English (en)
Inventor
Dirk Osswald
Eric Bergmann
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 EP3673720A1 publication Critical patent/EP3673720A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1462—Mounting supporting structure in casing or on frame or rack for programmable logic controllers [PLC] for automation or industrial process control
    • 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
    • G01D11/245—Housings for sensors
    • 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
    • G01D11/24—Housings ; Casings for instruments
    • G01D11/26—Windows; Cover glasses; Sealings therefor
    • 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
    • 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
    • G01D21/00—Measuring or testing not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/14—Housings
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6278—Snap or like fastening comprising a pin snapping into a recess
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/02—Arrangements of circuit components or wiring on supporting structure
    • H05K7/023—Stackable modules
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25428—Field device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted

Definitions

  • the invention relates to a modular field device that is easy and safe to install.
  • automation technology for example in large-scale industrial process
  • Plants, field devices are often used » which serve to record the relevant process parameters of process media.
  • Suitable measuring principles are used to record the process parameters
  • Corresponding sensors are used, among other things, in level measuring devices, flowmeters, pressure and temperature measuring devices, pH redox potential measuring devices,
  • Conductivity meters etc. are used. They detect the respective ones in the containers or pipes in which the process medium is located
  • Process parameters such as fill level, flow, pressure, temperature, pH, redox potential, conductivity, or dielectric value. A large number of these field devices are manufactured and sold by Endress + Hauser.
  • modular design in the case of field devices means that various field device types, such as pressure gauges and level gauges, in part
  • the invention is therefore based on the object, a modular field device
  • - Can be arranged in the housing interior, second electronic component, which is electrically contacted with the plug contact, and
  • the elastic connection allows a mechanical fixation of the first electronic component in the housing while electrical
  • the second electronic component in the housing interior is mechanically fixed by the electrical plug contact and the mechanical fixing of the first electronic component, without the second electronic component must be directly accessible.
  • the elastic connection offers the advantage that the force which acts on the electrical plug contact during assembly is reduced. As a result, in particular with component tolerance-related geometry deviations of the housing and / or the electronic components, the risk of damage is reduced, and thus the assembly as a whole safer.
  • Connection is designed so that it has a spring path between the first
  • the implementation of the elastic compound according to the invention is not fixed.
  • the elasticity can be achieved, for example, by that the elastic connection at least one between the first
  • Electronic component and the second electronic component arranged elastic component for example, a suitable elastomeric material having a defined geometry, or a Federeiement such as.
  • a leaf spring, coil spring or plate spring with a corresponding spring constant comprises.
  • a first implementation possibility for realizing the locking function of the mechanical connection is that the elastic connection at least one pin on the first electronic component or on the second
  • the latching openings may be configured to connect and / or release the first electronic component with respect to the second electronic component either by twisting or sliding.
  • the elastic connection at least one snap hook on the first electronic component or on the second electronic component, and a latching projection corresponding to the snap hook on the other
  • Electronic component includes.
  • Snap hook and the corresponding latch projection preferably detachable to design, to allow for a defect in a single electronic component a separate exchange.
  • the risk of damage to the plug contact can be further reduced if at least a portion of the housing interior, and a
  • Electronic component and / or a guide of the second electronic component are designed to the second electronic component on the plug contact
  • the guide comprises an end stop for the first electronic component or the second electronic component.
  • the end stop can be configured in particular as a step in the housing inner wall.
  • FIG. 3 shows a second embodiment variant of the elastic connection
  • FIG. 4 shows a third embodiment variant of the elastic connection.
  • Fig. 1 shows a housing 2 for a modular field device 1 with two
  • Electronic components 3, 4 usually on each at least one electronic circuit board, which in turn is encapsulated for example by a corresponding (plastic) box and / or a potting compound.
  • the housing 2 of the field device 1 comprises in the housing interior 20 a
  • Plug contact 21 which is used for electrical contacting of the second, arranged in the housing interior 20 electronic component 4.
  • an electrical contacting of the second electronic component 4 can be realized to the outside of the housing 2.
  • the plug contact 21 as a high-frequency suitable coaxial connector, this can be used, for example, to control a radar-based level measurement by means of the second electronic component 4 arranged outside the housing 2 antenna.
  • the plug contact 21 but also as
  • the field device 1 shown in FIG. 1 comprises, in addition to the second electronic component 4, a first electronic component 3.
  • the first electronic component 3 is connected to the second electronic component 4 via an elastic connection 50, 52, 53.
  • Attachment 22, 23 for fixing the first electronic component 3 in the housing interior 20 and an electronic contact between the first
  • a possible design of the mechanical attachment 22, 23 may be based on a step 23 on the inner wall of the housing 2.
  • the stage 23 can act as an end stop for the first electronic component 3, to which the first electronic component 3 can be fastened with appropriate design, for example by means of a screw connection 22 (see FIG. 3).
  • a first variant of the assembly is to connect the first electronic component 3 before installation in the housing interior 20 via the elastic connection 50, 52, 53 with the second electronic component 4, around the two
  • Plug contact 21 to contact. Only then is the first electronic component 3 introduced via the housing opening 24 into the housing interior 20 and, with a corresponding design of the elastic connection 50, 52, 53, mechanically connected to the second electronic component 4. Also in this variant, the first electronic component 3 is mechanically fastened last in the housing interior 20 (for example by means of the screw connection, see FIG. 3).
  • the elastic connection 50, 52, 53 also gives the advantage during operation that the plug-in contact 21 is contacted by the elastic connection 50, 52, 53 under a defined, constant bias voltage. Thus, a possible loose contact is avoided. This increases the operational safety of the
  • the danger de damage of the plug contact 21 during assembly can be further reduced if at least a portion of the housing interior 20, the corresponding outer contour of the first electronic component 3 and / or the corresponding outer contour of the second electronic component 4 as a guide 25 of first electronic component 3 and / or the second
  • the guide is 25
  • the stage 23 not only as part of the mechanical
  • Attachment 22 of the first electronic component 3 but also serve as an end stop 23 of the guide 25 with a corresponding arrangement.
  • a first design possibility of the elastic connection 50, 52, 53 is indicated: As shown in more detail in Fig. 2a, Fig. 2b and Fig. 2c, this interpretation of the elastic connection 50, 52, 53 on three pins 52 on the first electronic component 3 and corresponding latching openings 53 on the second electronic component 4. As a result, the actual mechanical
  • An opposite arrangement of the pins 52 on the second electronic component 4 would also be conceivable; The use of more or less than three pins 52 is of course not excluded.
  • the length of the pin 52 is dimensioned in relation to the thickness of the elastic member 50 so that a corresponding spring travel of the elastic connection 50, 52, 53 (based on the distance between the two electronic components 3, 4) of preferably more than 2 mm is possible.
  • the implementation of the elastic connection 50, 52, 53 on the basis of pins 53 makes it possible to design the latching openings 53 such that the first electronic component 3 with respect to the second electronic component 4 either by means of displacement (FIG. 2b) or by means of rotation (FIG. 2c) can be connected or released.
  • FIG. 3 An alternative design of the elastic connection 51, 54, 55 is shown in FIG. 3:
  • the mechanical connection between the first electronic component 3 and the second electronic component 4 is effected via three snap hooks 54.
  • three snap hooks 54 are arranged on the second electronic component 4 and aligned with the first electronic component 3 such that the snap hooks 54 engage corresponding latching projections 55 on the outer contour of the first
  • Engage electronics component 3 Three spring elements 51, which are arranged between the two electronic components 3, 4, allow the suspension of the
  • connection 51, 54, 55 To adjust the spring travel, it is hereby necessary to provide the snap hooks 54 with a corresponding opening for the latching projections 55, which allows a displacement of the respective latching projection 55 within the opening by at least the desired spring travel ,
  • FIG. 3 also shows a variant of the invention, in which the spring elements 51 and snap hooks 54 are realized as a contiguous plastic component, said plastic component is attached as an attachment to the second electronic component 4. It is clarified on the basis of FIG. 4 that, at least when using snap hooks 54, a plate spring can also be used as the spring element 51. LIST OF REFERENCE NUMBERS

Abstract

L'invention concerne un appareil de terrain modulaire (1) à montage simple et sûr. Pour cela, il comprend : un boîtier (2) comportant un contact électrique enfichable (21) disposé à l'intérieur (20) du boîtier, une fixation mécanique (22) conçue pour fixer un premier composant électronique (3) à l'intérieur (20) du boîtier, un deuxième composant électronique (4) qui peut être disposé à l'intérieur du boîtier (20) et qui peut venir en contact électrique avec le contact enfichable (21) et une liaison élastique (50, 51, 52, 53, 54, 55) qui est conçue pour relier élastiquement le premier composant électronique (3) au deuxième composant électronique (4). La division en deux composants électroniques (3, 4) permet d'une part une nouvelle conception modulaire de l'appareil de terrain (1) avec des composants électroniques utilisables universellement. De plus, la liaison élastique (50, 51, 52, 53, 54, 55) permet une fixation mécanique simple du premier composant électronique (3) dans le boîtier (2) avec en même temps une mise en contact électrique sûre du deuxième composant électronique (4) avec le contact enfichable (21).
EP18759601.0A 2017-08-24 2018-08-21 Appareil de terrain modulaire Withdrawn EP3673720A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017119358.8A DE102017119358A1 (de) 2017-08-24 2017-08-24 Modulares Feldgerät
PCT/EP2018/072527 WO2019038266A1 (fr) 2017-08-24 2018-08-21 Appareil de terrain modulaire

Publications (1)

Publication Number Publication Date
EP3673720A1 true EP3673720A1 (fr) 2020-07-01

Family

ID=63371682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18759601.0A Withdrawn EP3673720A1 (fr) 2017-08-24 2018-08-21 Appareil de terrain modulaire

Country Status (5)

Country Link
US (1) US11287290B2 (fr)
EP (1) EP3673720A1 (fr)
CN (1) CN111096092B (fr)
DE (1) DE102017119358A1 (fr)
WO (1) WO2019038266A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021121547A1 (de) * 2021-08-19 2023-02-23 Endress+Hauser SE+Co. KG Modulares Feldgerät
WO2023135422A1 (fr) * 2022-01-14 2023-07-20 Gill Corporate Limited Ensemble instrument
DE102022104763A1 (de) 2022-02-28 2023-08-31 Endress+Hauser SE+Co. KG Modulares Feldgerät

Family Cites Families (22)

* Cited by examiner, † Cited by third party
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US4691574A (en) * 1986-02-25 1987-09-08 Delatorre Leroy C Capacitance transducer
US5043841A (en) * 1989-06-13 1991-08-27 Bishop Robert P High pressure transducer package
US5625152A (en) * 1996-01-16 1997-04-29 Mks Instruments, Inc. Heated pressure transducer assembly
WO1998001731A1 (fr) * 1996-07-10 1998-01-15 Honeywell Data Instruments, Inc. Transducteur de pression a compensation d'erreurs
US6612176B2 (en) * 2000-12-28 2003-09-02 Mks Instruments, Inc. Pressure transducer assembly with thermal shield
FR2820202B1 (fr) * 2001-01-31 2004-06-04 Snecma Moteurs Capteur de pression et moteur de fusee l'incorporant
DE10207762A1 (de) * 2002-02-23 2003-09-04 Endress & Hauser Gmbh & Co Kg Elektrotechnisches Gerät
DE10316032A1 (de) * 2003-04-07 2004-10-21 Endress + Hauser Gmbh + Co. Kg Elektronisches Gerät
DE10318678A1 (de) * 2003-04-24 2004-12-30 Vega Grieshaber Kg Sensor, insbesondere Druck-Sensor zur Befestigung an einem Behältnis
CN1874664B (zh) * 2005-05-30 2010-07-14 尼柯斯有限公司 固定器
US20080003889A1 (en) * 2006-06-30 2008-01-03 Link Michael A Modular I/O connector
CN101420831B (zh) * 2007-10-24 2010-08-25 英业达股份有限公司 电路板的定位结构
DE102008054991A1 (de) * 2008-12-19 2010-06-24 Endress + Hauser Gmbh + Co. Kg Differenzdruckmessumformer
US8884612B2 (en) * 2010-03-23 2014-11-11 Williams Controls, Inc. Configurable non-contact position sensor
DE102010029955A1 (de) * 2010-06-10 2011-12-15 Endress + Hauser Gmbh + Co. Kg Drucksensor mit einer zylindrischen Druckmesszelle
DE102010038986A1 (de) * 2010-08-05 2012-02-09 Endress + Hauser Gmbh + Co. Kg Kompositwerkstoff, Formkörper, elektronisches Gerät mit Formkörper, und Verfahren zur Herstellung für einen Formkörper
DE102011088302A1 (de) * 2011-12-12 2013-06-13 Endress + Hauser Gmbh + Co. Kg Messumformer
JP5749754B2 (ja) * 2013-02-13 2015-07-15 東洋電装株式会社 スイッチ装置
CN204231121U (zh) * 2014-12-01 2015-03-25 常熟开关制造有限公司(原常熟开关厂） 一种电动机保护器
DE102015107306A1 (de) * 2015-05-11 2016-11-17 Endress + Hauser Gmbh + Co. Kg Feldgerät zum Einsatz in der Prozessautomatisierung
CN204810809U (zh) * 2015-07-24 2015-11-25 厦门歌乐电子企业有限公司 一种电子元件的保持架
CN105472951A (zh) * 2015-12-28 2016-04-06 广东高标电子科技有限公司 电动车控制器

Also Published As

Publication number Publication date
DE102017119358A1 (de) 2019-02-28
US11287290B2 (en) 2022-03-29
CN111096092B (zh) 2022-04-15
CN111096092A (zh) 2020-05-01
WO2019038266A1 (fr) 2019-02-28
US20200249056A1 (en) 2020-08-06

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