EP1336228A1 - Mecanisme de commande pour appareillages electriques - Google Patents

Mecanisme de commande pour appareillages electriques

Info

Publication number
EP1336228A1
EP1336228A1 EP01997866A EP01997866A EP1336228A1 EP 1336228 A1 EP1336228 A1 EP 1336228A1 EP 01997866 A EP01997866 A EP 01997866A EP 01997866 A EP01997866 A EP 01997866A EP 1336228 A1 EP1336228 A1 EP 1336228A1
Authority
EP
European Patent Office
Prior art keywords
contact elements
valve actuator
actuator according
extensions
plug
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.)
Granted
Application number
EP01997866A
Other languages
German (de)
English (en)
Other versions
EP1336228B1 (fr
Inventor
Peter Malus
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.)
Auma Riester GmbH and Co KG
Original Assignee
Werner Riester & Co KG Armaturen- und Maschinenantriebe GmbH
Werner Riester & Co KG Ar GmbH
Auma Riester GmbH 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 Werner Riester & Co KG Armaturen- und Maschinenantriebe GmbH, Werner Riester & Co KG Ar GmbH, Auma Riester GmbH and Co KG filed Critical Werner Riester & Co KG Armaturen- und Maschinenantriebe GmbH
Publication of EP1336228A1 publication Critical patent/EP1336228A1/fr
Application granted granted Critical
Publication of EP1336228B1 publication Critical patent/EP1336228B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/527—Flameproof cases
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure

Definitions

  • the invention relates to a valve actuator with an explosion-proof housing, wherein a sealed partition with sealed bushings for electrical lines is provided between a housing interior and an outer connection space, and in the outer connection space there are electrical connections with terminal connections for supply lines are located.
  • Devices such as valve actuators are also manufactured in an explosion-proof version.
  • the inside of the device must be sealed pressure-tight.
  • the supply and control lines supplied from the outside must therefore be routed inside through pressure-tight sealed bushings.
  • connection terminals In the outside area there are connection terminals to which the supply lines supplied from the outside can be connected and to which supply and control lines are also connected to the inside of the housing through the sealing plug.
  • the object of the present invention is to provide an electrical connection in a valve actuator of the type mentioned at the outset, by means of which a simplified assembly is possible with reduced effort and, in the case of servicing, simple disassembly and assembly is also possible and wiring errors are practically excluded ,
  • a support part forming the partition is provided for the terminal connections, which are connected to pin-like extensions and thus penetrate the partition, and that plug-in contact elements for contacting mating plug-in contact elements are provided at the inner end of the pin-like extensions.
  • the partition wall also forms the support part for the terminal connections, which are connected directly to the internal plug contact elements via the pin-like extensions.
  • a compact connection unit is thus formed. Due to the plug-in connections between the electrical lines connected to built-in parts and the terminal connections, assembly is considerably simplified and, in the event of service, complete units can be quickly replaced without having to disconnect and reconnect the lines. It is particularly advantageous if a holder for the mating plug contact elements is provided, which has receptacles arranged to match the mating plug contact elements of the carrier part for the mating plug contact elements which can be fixed therein.
  • the carrier part is inserted into a tubular base frame part which is inserted as a built-in part between the housing and an outer cover that delimits the connection space.
  • This base frame part enables simple preassembly and connection with the carrier part inserted tightly therein.
  • the carrier part consists of a plastic injection-molded part and is connected to the base frame part by injection molding and that the pin-like extensions which connect the clamping connections to the plug contact elements are embedded in the carrier part by injection molding.
  • the use of the tubular base frame part is advantageous because good accessibility and handling are available for the spraying process.
  • the contacts with the terminal connections with pin-like extensions and plug contact elements are inserted into an injection mold before the injection or casting process and are cast in directly during the injection process, so that the terminal connections are accessible on one side of the partition and the plug contact elements are accessible on the other side.
  • the base frame part with a cast-in support part and contacts tightly embedded therein forms an inseparable unit after the casting compound has hardened.
  • a thermoset based on epoxy resin is used as the injection molding material.
  • the plug contact elements of the carrier part are expediently arranged individually or in groups in mutually offset planes and the mating plug contact elements of the holder are arranged in mutually complementary planes.
  • the terminal connections located at the outer ends of the plug contact elements are thus also arranged in different planes.
  • FIG. 1 is a longitudinal sectional view of a valve actuator partially shown
  • FIG. 2 shows a rear view of a base frame part with support part and clamp connections
  • Fig. 3 is an enlarged longitudinal sectional view in the region of a base frame part with a contact carrier part.
  • part of a valve actuator 1 is shown, of which, in longitudinal section, in particular the housing part 2 receiving the electronics and a housing section 3 with electrical connections 4 are shown.
  • the housing part 2 is designed in an explosion-proof design and sealed pressure-tight to the outside.
  • a pressure-tight partition 6 is provided between the inside of this housing part and an outer connection space 5, which at the same time also forms a support part 7 for the electrical connections 4.
  • the carrier part 7 is inserted into a tubular base frame part 8, which is located as an installation part between the housing part 2 and an outer, the terminal space 5 bordering cover 9 is located.
  • this base frame part 8 is shown enlarged with dash-dotted end cover 9.
  • the carrier part 7 has clamp connections 10 accessible from the outside when the end cover 9 is removed, which are connected to pin-like extensions 11 and thus penetrate the partition 6 or the carrier part 7.
  • plug contact elements 12 are provided, which in the exemplary embodiment are designed as sockets.
  • the pin-like extensions 11 are solid in the course of their longitudinal extension and go into the sockets at one end and have screw-in threads for the terminal connections 10 at the other end.
  • these contact parts are made in one piece.
  • Mating plug contact elements 13 in the form of plugs are arranged in a holder 14 and held by this in such a way that they are aligned with the plug contact elements 12.
  • guides are provided on the base frame part 8 and on the holder 14 for bringing these parts together in the correct position.
  • a groove 15 is provided in the base frame part and a matching projection 16 is provided on the holder. This provides an unambiguous position assignment, so that the holder with the mating plug contact elements 13 can only be approximated in a suitable position to the carrier part 7 with the plug contact elements 12, and then the contact elements can be brought together. This prevents faulty connections.
  • the holder 14 is advantageously designed as a plastic injection molded part.
  • the holder 14 has receiving sleeves 25, in which the mating plug contact elements 13 are fixed after insertion.
  • the mating plug-in contact elements 13, which are designed as pins, are located within receiving cavities of the holder 14 and are axially fixed therein. Electrical lines 19 are connected to the mating plug contact elements 13, which lead to assemblies within the housing part 2 (FIG. 1).
  • the carrier part 7, which also forms the partition 6, is pressure-tightly connected to the tubular or sleeve-shaped base frame part 8. This is achieved by injecting the carrier part 7 into the base frame part 8.
  • a thermoset based on epoxy resin is preferably used as the material. The injection process takes place at an elevated temperature of, for example, approximately 180 ° C.
  • the contacts, that is to say the terminal connections 10 with plug contact elements 12 and the pin-like extensions 11 connecting them, are also embedded in this spraying process, the terminal connections 10 on the outside and the plug contact elements 12 protrude from the inside. Only the pin-like extensions 11 are thus embedded in the carrier part itself.
  • the potting compound used is selected so that there is a coefficient of thermal expansion matched to the metallic base frame part 8 and the metallic, pin-like extensions 11.
  • an elastic seal in the exemplary embodiment in the form of an O-ring 20, is used in the connection area between the base frame part 8 and the carrier part 7 (FIG. 3).
  • circumferential profiles 21 in the form of annular grooves and projections are provided in this connection area.
  • the carrier part 7 is additionally secured in the axial direction.
  • the pin-like extensions 11 are provided with ring grooves 22 or similar profiles, optionally also with knurls for enlarging the surface, in order to achieve an improved seal.
  • the terminal connections 10 are arranged in groups in mutually offset planes. In the exemplary embodiment, three levels offset from one another are provided.
  • the internal plug-in contact elements 12 connected to the clamp connections 10 are also offset in accordance with the clamp connections 10 and, correspondingly, the mating plug-in contact elements 13, which are fastened in the holder 14.
  • the staggering of several stair-shaped levels enables the specified clearance and creepage distances to be maintained with a compact design, even with relatively small radial distances between the individual contacts. In this way, a large number of electrical contacts with terminal connections 10 can be arranged in a comparatively narrow space, 42 of such terminal connections 10 being provided in the exemplary embodiment (FIG. 2).
  • the individual terminal connections 10 are shielded from one another by walls 26 surrounding them.
  • the base frame part 8 consists of metal, preferably of die-cast aluminum. It has connection flanges 23, 24 at its ends, via which connections on the one hand to the housing part 2 and on the other hand to the end cover 9 are possible. O-ring seals are also provided in the area of these connections.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Magnetically Actuated Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Fluid-Damping Devices (AREA)
  • Motor Or Generator Frames (AREA)
  • Vehicle Body Suspensions (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Actuator (AREA)
EP01997866A 2000-11-23 2001-11-17 Mecanisme de commande pour appareillages electriques Expired - Lifetime EP1336228B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10058107A DE10058107A1 (de) 2000-11-23 2000-11-23 Elektrogerät
DE10058107 2000-11-23
PCT/EP2001/013293 WO2002043190A1 (fr) 2000-11-23 2001-11-17 Mecanisme de commande pour appareillages electriques

Publications (2)

Publication Number Publication Date
EP1336228A1 true EP1336228A1 (fr) 2003-08-20
EP1336228B1 EP1336228B1 (fr) 2008-06-25

Family

ID=7664347

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01997866A Expired - Lifetime EP1336228B1 (fr) 2000-11-23 2001-11-17 Mecanisme de commande pour appareillages electriques

Country Status (9)

Country Link
EP (1) EP1336228B1 (fr)
AT (1) ATE399377T1 (fr)
AU (1) AU2002217041A1 (fr)
DE (2) DE10058107A1 (fr)
DK (1) DK1336228T3 (fr)
EA (1) EA004839B1 (fr)
ES (1) ES2306741T3 (fr)
WO (1) WO2002043190A1 (fr)
ZA (1) ZA200303395B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10317181B4 (de) * 2003-04-15 2006-05-24 Alexander Schischek Antrieb, insbesondere Stell- und Regelantrieb, für Klappen und Armaturen
DE502006001382D1 (de) 2006-01-11 2008-10-02 Siemens Ag Elektrische Einrichtung mit Ausschaltung des Laststromkreises in explosionsgefährdeter Umgebung
DE202009004983U1 (de) * 2009-07-03 2010-11-25 Rema Lipprandt Gmbh & Co. Kg Elektrischer Steckverbinder
DE102020125254B4 (de) 2020-09-28 2022-08-11 Krohne Messtechnik Gmbh Gehäuse für ein elektronisches Feldgerät und Anschlussdurchführung
DE102021131953B3 (de) * 2021-12-03 2023-05-17 Auma Riester Gmbh & Co. Kg Elektronisches Gerät und entsprechende Baureihe

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2132532B1 (fr) * 1971-04-07 1974-08-19 Cables De Lyon Geoffroy Delore
US3860315A (en) * 1972-08-14 1975-01-14 Anderson Power Products Explosion proof connector
DE3507525C1 (de) * 1985-03-04 1986-09-25 Schulte-Elektrotechnik GmbH & Co KG, 5880 Lüdenscheid Elektrischer Geraetestecker
DE3639485A1 (de) * 1986-11-18 1988-05-26 Karl Kapfer Explosionsgeschuetztes elektrisches geraet
DE4002244C1 (fr) * 1990-01-26 1991-05-08 Abs Pumpen Ag, 5204 Lohmar, De
US5147988A (en) * 1990-05-22 1992-09-15 Appleton Arthur I Switching electrical receptacle
DE9413463U1 (de) * 1994-08-20 1994-11-03 Gisma Steckverbinder Gmbh Vorrichtung zum Verbinden eines Kabels
US6109979A (en) * 1997-10-31 2000-08-29 Micro Motion, Inc. Explosion proof feedthrough connector

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0243190A1 *

Also Published As

Publication number Publication date
DE10058107A1 (de) 2002-06-06
EA200300598A1 (ru) 2003-10-30
EP1336228B1 (fr) 2008-06-25
WO2002043190A1 (fr) 2002-05-30
EA004839B1 (ru) 2004-08-26
AU2002217041A1 (en) 2002-06-03
ES2306741T3 (es) 2008-11-16
DK1336228T3 (da) 2008-10-27
ZA200303395B (en) 2004-03-08
ATE399377T1 (de) 2008-07-15
DE50114055D1 (de) 2008-08-07

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