WO2023030769A1 - Procédé de production d'un appareil de terrain d'automatisation - Google Patents

Procédé de production d'un appareil de terrain d'automatisation Download PDF

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Publication number
WO2023030769A1
WO2023030769A1 PCT/EP2022/071047 EP2022071047W WO2023030769A1 WO 2023030769 A1 WO2023030769 A1 WO 2023030769A1 EP 2022071047 W EP2022071047 W EP 2022071047W WO 2023030769 A1 WO2023030769 A1 WO 2023030769A1
Authority
WO
WIPO (PCT)
Prior art keywords
electronics
sensor
field device
rigid
housing
Prior art date
Application number
PCT/EP2022/071047
Other languages
German (de)
English (en)
Inventor
Christian Strittmatter
Raphael Schonhardt
Michael LAIS
Lars Kretschmer
Simon Gerwig
Vitogiuseppe Di Cosola
Original Assignee
Endress+Hauser SE+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+Hauser SE+Co. KG filed Critical Endress+Hauser SE+Co. KG
Publication of WO2023030769A1 publication Critical patent/WO2023030769A1/fr

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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
    • G01D21/00—Measuring or testing not otherwise provided for

Definitions

  • the invention relates to a method for producing a field device for automation technology and a field device for automation technology obtainable by the method.
  • Field devices that are used in industrial plants are known from the prior art. Field devices are often used in process automation technology as well as in production automation technology. In principle, all devices that are used close to the process and that supply or process process-relevant information are referred to as field devices. Thus, field devices are used to record and/or influence process variables. Measuring devices or sensors are used to record process variables. These are used, for example, for pressure and temperature measurement, conductivity measurement, flow rate measurement, etc. and record the corresponding process variables pressure, temperature, conductivity, pH value, level,
  • Actuators are used to influence process variables. These are, for example, pumps or valves that can influence the flow of a liquid in a pipe or the fill level in a container.
  • field devices also include remote I/Os, wireless adapters or devices in general that are arranged at the field level.
  • the housings of the field devices are specially designed.
  • they are made of a metallic material, such as 316L stainless steel, and/or designed to minimize the number of places for debris and/or contaminants to adhere.
  • field contact plugs are usually used, which are placed in the housing. Data, in particular measured values, and/or energy can be transmitted from the field device to an external unit, for example the superordinate unit, via the field contact plug.
  • Field contact plugs usually have a latch or similar configured mechanical positioning aids, via which a corresponding mating connector, which is plugged onto the field contact connector, is aligned or positioned.
  • the housing of the field device In order to ensure that the orientation of the field contact connector is always the same when a field device is replaced, the housing of the field device must be aligned and mounted to match a sensor assembly that includes the process connection.
  • this is done optically by a production employee of the field device manufacturer.
  • the optical alignment is error-prone on the one hand and not particularly precise on the other.
  • the invention is therefore based on the object of demonstrating a possibility of how field devices can be manufactured in such a way that the orientation of the respective field contact plug is always the same.
  • a sensor assembly comprising a sensor assembly housing, in particular a metal one, with an essentially first rotationally symmetrical area, at least in sections, a sensor and/or actuator element fastened in or on the sensor assembly housing
  • connection electronics with a rigid mating connector matching the rigid plug connector and a field contact plug, the rigid plug connector of the sensor and/or actuator electronics, the mating connector and the field contact plug being aligned with one another in a defined manner;
  • a field device housing in particular a metal one, which at least in sections has an essentially second rotationally symmetrical area and which has a housing opening in a side wall area for accommodating or inserting a field contact plug;
  • connection electronics in the rigid connector of the sensor and / or actuator electronics, so that the connection electronics and the sensor and / or actuator electronics align or position each other and preferably simultaneously
  • a manufacturing method for a field device used in automation technology is proposed in which the field device housing is not initially is firmly connected to the sensor assembly housing, but loose, so that they are still rotatable or twistable relative to each other. It is also proposed that an electronic system to be introduced into the field device housing and/or the sensor assembly housing, which consists of several printed circuit boards, should be configured in such a way that the individual
  • An advantageous embodiment of the method according to the invention provides that a round plug, in particular an M12 round plug or an Ethernet plug, is used as the field contact plug.
  • a further advantageous embodiment of the method according to the invention provides that the sensor assembly and/or the field device housing is provided with a mechanical positioning aid and the rigid plug connector is aligned by the mechanical positioning aid with the defined orientation to the start of the thread of the process connection.
  • the embodiment can provide for the rigid plug connector to be aligned by clipping or screwing it into or onto the mechanical positioning aid.
  • a further advantageous embodiment of the method according to the invention provides that intermediate electronics, in particular in the form of main electronics for further processing and/or compensating for the actuator and/or sensor signal, are provided, with the intermediate electronics having a further rigid plug connector and a further rigid mating plug connector and the rigid mating connector of the connection electronics is not plugged into the rigid connector of the sensor and/or actuator electronics, but rather the other rigid connector of the intermediate electronics and the rigid mating connector of the intermediate electronics is plugged into the rigid connector of the sensor and/or actuator electronics, so that align or position the connection electronics, the sensor and/or actuator electronics and the intermediate electronics in relation to one another.
  • a further advantageous embodiment of the method according to the invention provides that an electronics cup is provided, which is introduced into the field device housing before the sensor and/or actuator electronics are introduced into the sensor assembly housing and/or field device housing.
  • the invention also relates to a field device for automation technology that can be obtained by the method according to one of the previously described embodiments.
  • Fig. 1 a sensor assembly that is commonly used to manufacture a field device
  • Fig. 2 a connection electronics with a field contact plug
  • Fig. 3 example of the process step in which the field device housing is plugged onto the sensor assembly housing
  • Fig. 4 example of the process step in which the internal electronics of the field device are set up using rigid plug connections
  • Fig. 5 an example of the process step in which the sleeve is pushed over the field contact plug
  • Fig. 6 example of a finished field device.
  • Figure 1 shows a sensor assembly 40, which has a sensor assembly housing 41, a sensor and/or actuator element for detecting and/or setting a process variable 43, and a process connection 44 with a thread 45 for screwing into a corresponding sleeve, which is e.g. on a tank or fixed to a pipeline.
  • the sensor assembly housing 41 is preferably metallic and has at least one essentially rotationally symmetrical area 42 to which it is fixed with a housing of a field device 12 in the course of the manufacturing process.
  • the sensor and/or actuator element 43 comprises a pressure sensor element for detecting a pressure value as a process variable.
  • the invention is not limited to the type or specific configuration of the sensor and/or actuator element 43 as a pressure sensor element, but can in principle be transferred to any other sensor or actuator principle.
  • Sensor and/or actuator electronics 43 having at least one printed circuit board are used to provide and/or process a sensor and/or actuator signal, which in the exemplary embodiment shown in FIG.
  • the sensor and actuator electronics 30 also has a rigid plug connector 32 mounted on the printed circuit board 31, which is used both for electrical contact and for mechanical fixation.
  • the process connection 44 attached at the end to the sensor assembly housing 40 has the thread 45 for screwing into the sleeve.
  • the thread 45 in turn has a thread start 46a and a thread end 46b, which are each identified by a circle in the exemplary embodiment illustrated in FIG.
  • Figure 2 shows a connection electronics 20 with a first printed circuit board 25 with a field contact plug 21, which is arranged in a longitudinal axis of the printed circuit board 25 on a printed circuit board edge.
  • the field contact plug 21 transmits data, in particular measured values, and/or energy from the field device 10 to an external unit, for example a higher-level unit or another field device.
  • the field contact plug 21 can in particular be a circular connector, for example an M12 circular connector. However, it can also be a matter of other common plug connectors that are suitable for transmitting data and/or energy. For example, it can also be an Ethernet plug.
  • the field contact plug 21 has a plug-in orientation, through which the orientation or
  • Alignment of a mating connector plugged into the field contact plug is determined.
  • the plug-in orientation can be realized, for example, by a lug or the like in or on the field contact plug 21 .
  • connection electronics 20 also includes at least one rigid mating connector 22, which can be arranged and attached to the first printed circuit board 25 in such a way that a plug-in axis 23 is inclined or tilted to a main plane in which the first printed circuit board 25 is formed. Furthermore, electronic components for EMC and/or explosion protection measures 24 can be applied to the first printed circuit board 25 .
  • Mating connectors 22 of the connection electronics 20 are designed in such a way that they form a rigid and immovable connection when they are plugged in.
  • the sensor assembly 40, the sensor and/or actuator electronics 30 and the connection electronics 20 are now to be introduced into a field device housing 12 or attached to it in such a way that the threaded end 46b is always aligned in a defined manner with the field contact plug 21, so that even after a Field device replacement in an automation system ensures that the field contact plug of the newly installed field device has the same orientation as that of the removed field device.
  • the field device housing 12 is plugged with a rotationally symmetrical area 17 onto the first rotationally symmetrical area 42 of the sensor assembly housing 40 .
  • the sensor and/or actuator electronics 30 are introduced into the sensor assembly housing 41 and/or field device housing 12 in such a way that the rigid plug connector 32 is aligned with a defined orientation at least to the threaded end 46b of the process connection 44.
  • This method step can take place either before the first method step or after the first method step.
  • latching lugs 47 can be provided in or on the sensor assembly 40 and/or the field device housing 12 .
  • the mechanical fixation and alignment can also take place by means of a screw, via which the electronics are screwed onto the sensor assembly housing 41 and/or the field device housing 12 .
  • the sensor and/or actuator electronics 30 have been fixed and aligned on the sensor assembly housing 41 before the field device housing 12 is plugged on. In principle, however, this can only take place afterwards.
  • connection electronics 20 is plugged into or plugged into the rigid connector 32 of the sensor and/or actuator electronics 30, so that the connection electronics 20 and the sensor and/or actuator electronics 30 are connected by the rigid plug connection align or position each other.
  • the next method step in which the field contact plug 21 of the connection electronics 20 is introduced into the housing opening 18 of the field device housing 12 , also takes place essentially at the same time. Due to the rigid plug-in connection and the fact that the field device housing 12 and the sensor assembly housing 41 are not yet welded to one another, they can be aligned or rotated relative to one another.
  • the connection electronics 20 can be connected directly to the sensor and/or actuator electronics 30 via the rigid plug connector and mating connector, or alternatively intermediate electronics 50 can also be provided, which combine the electrical and mechanical
  • the intermediate electronics 50 can be, for example, main electronics that enable the further processing and/or compensation of the actuator and/or sensor signal.
  • the temperature of the actuator and/or sensor signal can be compensated by the intermediate electronics.
  • connection electronics 20 does not plug into the rigid plug connector 32 of the sensor and/or actuator electronics 30 but rather another rigid plug connector 52 of the intermediate electronics 50 and a rigid mating connector 51 of the intermediate electronics into the rigid Connector 32 of the sensor and / or actuator electronics 30 is plugged in, so that the connection electronics 20, the sensor and / or actuator electronics 30 and the intermediate electronics 50 through the rigid connectors 32 and 51 and 22 and 52 to each other mechanically align or position.
  • the exemplary embodiment in FIG. 4 has such intermediate electronics 50 as an example.
  • the field device housing 12 and the sensor assembly housing 41 are joined together.
  • the joining usually takes place by welding, since both the field device housing 12 and the sensor assembly housing 41 are made of steel, in particular high-grade steel.
  • the joining is shown in Figure 6 by two triangles as an example.
  • the field device is manufactured in accordance with the planned location and configuration. This can include, for example, introducing a display 19 and other electronic components, as shown in FIG. reference number
  • Mechanical positioning aid e.g. locking lug

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un appareil de terrain d'automatisation, comprenant les étapes suivantes : la fourniture d'un ensemble capteur (40) ; la fourniture d'une électronique de capteur et/ou d'actionneur (30) ; la fourniture d'une électronique de connexion (20) ; la fourniture d'un boîtier de dispositif de terrain, dont au moins des parties présentent une seconde région sensiblement symétrique en rotation, et lequel boîtier présentant, dans une région de paroi latérale, une ouverture de boîtier pour recevoir ou insérer une fiche de contact de terrain ; l'ajustement du boîtier de dispositif de terrain sur l'ensemble capteur, ceux-ci n'étant pas reliés entre eux de sorte qu'ils puissent tourner ou pivoter l'un par rapport à l'autre ; l'insertion de l'électronique de capteur et/ou d'actionneur ; l'adaptation ou l'insertion du connecteur homologue à fiche rigide de l'électronique de connexion dans le connecteur à fiche rigide de l'électronique de capteur et/ou d'actionneur et, de préférence, l'insertion simultanée de la fiche de contact de terrain de l'électronique de connexion dans l'ouverture du boîtier de l'appareil de terrain ; l'insertion d'un manchon dans l'ouverture du boîtier de l'appareil de terrain ; la liaison du boîtier de l'appareil de terrain et du boîtier de l'ensemble capteur.
PCT/EP2022/071047 2021-08-31 2022-07-27 Procédé de production d'un appareil de terrain d'automatisation WO2023030769A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021122565.5 2021-08-31
DE102021122565.5A DE102021122565A1 (de) 2021-08-31 2021-08-31 Verfahren zum Herstellen eines Feldgerätes der Automatisierungstechnik

Publications (1)

Publication Number Publication Date
WO2023030769A1 true WO2023030769A1 (fr) 2023-03-09

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PCT/EP2022/071047 WO2023030769A1 (fr) 2021-08-31 2022-07-27 Procédé de production d'un appareil de terrain d'automatisation

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DE (1) DE102021122565A1 (fr)
WO (1) WO2023030769A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10163165A1 (de) * 2001-12-20 2003-07-03 Endress & Hauser Gmbh & Co Kg Feldgerät und Verfahren zum Betrieb des Feldgerätes
US20060055006A1 (en) * 2004-09-16 2006-03-16 Rosemount Inc. Field device incorporating circuit card assembly as environmental and EMI/RFI shield
DE202012013207U1 (de) * 2012-10-01 2015-06-30 Wika Alexander Wiegand Se & Co. Kg Auswerteeinheit für eine physikalische Größe
DE102019119426A1 (de) * 2019-07-17 2021-01-21 Endress+Hauser SE+Co. KG Feldgerät der Automatisierungstechnik

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10163165A1 (de) * 2001-12-20 2003-07-03 Endress & Hauser Gmbh & Co Kg Feldgerät und Verfahren zum Betrieb des Feldgerätes
US20060055006A1 (en) * 2004-09-16 2006-03-16 Rosemount Inc. Field device incorporating circuit card assembly as environmental and EMI/RFI shield
DE202012013207U1 (de) * 2012-10-01 2015-06-30 Wika Alexander Wiegand Se & Co. Kg Auswerteeinheit für eine physikalische Größe
DE102019119426A1 (de) * 2019-07-17 2021-01-21 Endress+Hauser SE+Co. KG Feldgerät der Automatisierungstechnik

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DE102021122565A1 (de) 2023-03-02

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