EP0089903A1 - Steckdose mit Fehlerstromschutz - Google Patents

Steckdose mit Fehlerstromschutz Download PDF

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Publication number
EP0089903A1
EP0089903A1 EP83420036A EP83420036A EP0089903A1 EP 0089903 A1 EP0089903 A1 EP 0089903A1 EP 83420036 A EP83420036 A EP 83420036A EP 83420036 A EP83420036 A EP 83420036A EP 0089903 A1 EP0089903 A1 EP 0089903A1
Authority
EP
European Patent Office
Prior art keywords
housing
socket
contacts
cells
terminals
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
EP83420036A
Other languages
English (en)
French (fr)
Other versions
EP0089903B1 (de
Inventor
Michel Bonniau
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin SA
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 Merlin Gerin SA filed Critical Merlin Gerin SA
Publication of EP0089903A1 publication Critical patent/EP0089903A1/de
Application granted granted Critical
Publication of EP0089903B1 publication Critical patent/EP0089903B1/de
Expired legal-status Critical Current

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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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
    • H01R13/7135—Structural association with built-in electrical component with built-in switch the switch being a safety switch with ground fault protector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall

Definitions

  • the invention relates to an outlet.
  • the object of the present invention is to remedy these drawbacks and as characterized in the claims it solves the problem of a compact arrangement with a clear separation of the manual control member and the cells of the socket outlet, while avoiding overheating of these cells arranged in the lower part of the socket.
  • the air heated by the passage of the current is indeed evacuated upwards in an area remote from the alveoli.
  • the arrangement of the differential transformer between the cells and the mechanism reduces the thickness of the socket and allows it to be housed in a box of reduced dimensions capable of being built in or projecting from a wall.
  • the controller manual and the socket of the socket being clearly separated, it is possible to articulate on the front face of the socket protective covers respectively of the socket of the socket and of the control member.
  • all of the constituent elements are housed in a box, which fits into the box or the external envelope fixed to 6 walls.
  • the front wall of the housing at the same time constitutes the cover of the external envelope and the interposition of a seal ensures the tightness of the internal housing.
  • the current inlet terminals of the socket are arranged outside the internal box to allow connection without opening of this box.
  • an outlet comprising a ground pin, it is advantageous to have current arrival terminals at the rear of the cells to allow direct connection of the ground terminal to the ground pin.
  • the socket comprises a test button, the depression of which causes the closure of a test circuit capable of simulating a differential fault.
  • This test circuit is connected downstream of the contacts of the differential protection device to ensure disconnection of the test circuit as soon as the protection device opens, in order to protect the fault resistance.
  • the contacts of the differential protection device are inserted in an insulating block carrying the control mechanism and the polarized relay, which constitute a subset of reduced height.
  • an outlet has a box-shaped outer casing 10 of molded plastic, closed by a cover 12 constituting the front wall.
  • the box 10 in the shape of a rectangular parallelepiped, has holes for the passage of fixing screws 14 passing through the rear bottom 16 and knockout holes or fitted with a grommet 18 for the passage of the supply conductors of the socket.
  • the front part 12 carries two pivoting covers or flaps 20, 22 covering in the folded position respectively the lower part 24 and the upper part 26 of the socket. In the raised position, the valve 22 gives access to a control lever 28 of a differential protection device while the valve 20 gives access to the cells 30 of the socket.
  • the socket is normally fixed to a vertical wall by the bottom 16, the upper part 26 being above the lower part 24. It is clear that the box 10 can be built-in or fixed in a different way without leaving the part of the invention.
  • the front wall 12 also constitutes the front face of an internal housing 32 of dimensions slightly lower than those of the outer casing 10 so as to fit into the latter in the mounted position of the socket.
  • the housing 32 closed by the front wall 12 1 confines a volume, possibly sealed if care has been taken to insert a seal in which the components of the socket are mounted.
  • These constituent elements are subdivided into three sub-assemblies, a first sub-assembly consisting of an insulating block 34 carrying the cells 30 and the earth pin 36 of the socket itself, this first sub-assembly 34 being disposed at the bottom of the housing 32.
  • the second sub-assembly housed in the intermediate part of the housing 32 is constituted by the differential transformer 38, while the third sub-assembly is arranged in the upper part of the housing 32.
  • the third sub-assembly comprises a contact block 40, a control mechanism 42 and a polarized relay 44.
  • the mechanism 42 and the polarized relay 44 are arranged side by side behind the front wall 12 while being attached to the contact block 40.
  • the front wall 12 present at the level of the mechanism 42 a passage opening for the lever 28 for controlling the mechanism 42 and a passage opening for a test button 46.
  • the control mechanism 42, the polarized relay 44 and the contact block 40 can nt be of any type well known to specialists, and it suffices to recall that the operation of the lever 28 allows the opening and closing of the contacts of the block 40 as well as a resetting of the mechanism after tripping, controlled by the polarized relay 44, caused during a differential fault.
  • the factory-sealed box 32 prevents access to the adjustments to the mechanism and to the live parts, and the lever indicates the position of the contacts.
  • the socket outlet block 34 and on the external rear face of the housing 32 are arranged the two arrival terminals 48, 50 and the earth terminal 52. We see in FIG.
  • FIG. 3 which illustrates the electrical diagram of the socket current that the incoming terminals 48, 50 respectively, of phase and neutral are connected to fixed contacts 54, 56 cooperating with contact bridges 58, 60 whose opposite fixed contacts 62, 64 are connected via primary windings 66, 68 to the cells 30 of the socket.
  • the earth arrival terminal 52 is directly connected by a conductor 70 passing through the wall of the housing 32 to the earth pin 36.
  • the contacts 54 to 64 are incorporated in the contact block 40 and are controlled by the mechanism 42.
  • the differential transformer 38 carries a secondary winding 72 driving the polarized relay 44.
  • the pallet of the latter cooperates with the trigger lock of the mechanism 42, so as to cause the opening of the contacts 54 to 64 when the polarized relay 44 is energized
  • the test button 46 controls the test contacts inserted in a test circuit 74 incorporating a resistor 76, this test circuit 74 being connected to the connecting conductors connecting the fixed contacts 62, 64 to the cells 30 on a side upstream of the transformer. differential 38, and on the other side downstream.
  • Such a differential protection device is well known, and it suffices to recall that in normal operation, the secondary winding does not deliver any signal.
  • the polarized relay 44 excited by the signal generated by the secondary winding 72, triggers the mechanism 42 and opens the contacts 54 to 64 to interrupt the supply to the cells 30.
  • the resetting and closing of the contacts 54 to 64 are carried out manually by actuation of the lever 28 after elimination of the fault.
  • the test button 46 makes it possible to connect the resistor 76 to simulate an artificial fault and to verify the proper functioning of the protection device. It should be noted that the connection of the test circuit 74 downstream of the contacts 54 to 64 makes it possible to interrupt the supply of this circuit as soon as the contacts 54, 64 are opened, thereby limiting the duration of circuiting of the resistor 76 , which is automatically protected.
  • the differential transformer 38 By inserting the differential transformer 38 between the cells 30 and the control part 42, it is possible to significantly reduce the depth of the housing 32 and clearly separate the cells 30 from the control 28, 46.
  • This arrangement also facilitates electrical connections and mounting of the socket. After the components of the socket have been placed inside the housing 32, the electrical connections are made before the housing is closed by placing the front wall 12. The housing 32 is then completely closed, possibly in a sealed manner , preventing any access to the active parts of the socket. It is possible to provide a sealing device preventing any opening of this box 32. The only accessible parts are the terminals 48, 50, 52, which are connected to the supply conductors arranged in the outer casing 10. This connection presents no difficulty.
  • the cells 30 are arranged in the lower part of the socket below and deburred by the differential transformer 38 and the contact block 40, capable of causing heating by the Joule effect.
  • the actuation of the lever 28 allows an opening or closing of the contacts 54 to 64 and a supply or interruption of the supply of the load connected to the socket 30. It is clear that the active parts of the socket can be standard parts judiciously arranged in the housing 32 to reduce the bulk and facilitate the mounting of the socket.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP19830420036 1982-03-11 1983-03-07 Steckdose mit Fehlerstromschutz Expired EP0089903B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8204460 1982-03-11
FR8204460A FR2523377A1 (fr) 1982-03-11 1982-03-11 Prise de courant a protection differentielle

Publications (2)

Publication Number Publication Date
EP0089903A1 true EP0089903A1 (de) 1983-09-28
EP0089903B1 EP0089903B1 (de) 1985-08-28

Family

ID=9272067

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830420036 Expired EP0089903B1 (de) 1982-03-11 1983-03-07 Steckdose mit Fehlerstromschutz

Country Status (5)

Country Link
EP (1) EP0089903B1 (de)
DE (1) DE3360641D1 (de)
ES (1) ES8401283A1 (de)
FR (1) FR2523377A1 (de)
PT (1) PT76359B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9104337U1 (de) * 1991-04-10 1992-08-06 Hermann Kleinhuis GmbH & Co KG, 5880 Lüdenscheid Überspannungsschutzadapter
EP0945930A1 (de) * 1998-03-27 1999-09-29 Compliance Technology Limited Elektrische Gefahrwahrnemungsvorrichtung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1012350B (de) * 1955-07-23 1957-07-18 Berker Geb Steckdose mit Schutztrennung
FR1557314A (de) * 1967-03-14 1969-02-14
US3530337A (en) * 1968-11-06 1970-09-22 Thomas Moore Electrical motor overload indicator and voltage cutout device
DE2246845A1 (de) * 1972-09-23 1974-03-28 Bbc Brown Boveri & Cie Elektrische anschluss-schutzvorrichtung
US3813579A (en) * 1970-11-09 1974-05-28 Rucker Co Electric receptacle assembly with ground fault protection
FR2328275A1 (fr) * 1975-10-18 1977-05-13 Bbc Brown Boveri & Cie Disjoncteur de courant de fuite avec prise de courant electrique a fiches

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1012350B (de) * 1955-07-23 1957-07-18 Berker Geb Steckdose mit Schutztrennung
FR1557314A (de) * 1967-03-14 1969-02-14
US3530337A (en) * 1968-11-06 1970-09-22 Thomas Moore Electrical motor overload indicator and voltage cutout device
US3813579A (en) * 1970-11-09 1974-05-28 Rucker Co Electric receptacle assembly with ground fault protection
DE2246845A1 (de) * 1972-09-23 1974-03-28 Bbc Brown Boveri & Cie Elektrische anschluss-schutzvorrichtung
FR2328275A1 (fr) * 1975-10-18 1977-05-13 Bbc Brown Boveri & Cie Disjoncteur de courant de fuite avec prise de courant electrique a fiches

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9104337U1 (de) * 1991-04-10 1992-08-06 Hermann Kleinhuis GmbH & Co KG, 5880 Lüdenscheid Überspannungsschutzadapter
EP0945930A1 (de) * 1998-03-27 1999-09-29 Compliance Technology Limited Elektrische Gefahrwahrnemungsvorrichtung

Also Published As

Publication number Publication date
ES520429A0 (es) 1983-12-16
FR2523377B1 (de) 1985-03-08
FR2523377A1 (fr) 1983-09-16
DE3360641D1 (en) 1985-10-03
EP0089903B1 (de) 1985-08-28
ES8401283A1 (es) 1983-12-16
PT76359A (en) 1983-04-01
PT76359B (en) 1985-11-18

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