EP2980936B1 - Steckmodul einer schutzvorrichtung für elektrische anlage mit überkreuzten anschlüssen - Google Patents

Steckmodul einer schutzvorrichtung für elektrische anlage mit überkreuzten anschlüssen Download PDF

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Publication number
EP2980936B1
EP2980936B1 EP15174752.4A EP15174752A EP2980936B1 EP 2980936 B1 EP2980936 B1 EP 2980936B1 EP 15174752 A EP15174752 A EP 15174752A EP 2980936 B1 EP2980936 B1 EP 2980936B1
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EP
European Patent Office
Prior art keywords
bearing portion
cartridge
connector
electrical
base
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.)
Active
Application number
EP15174752.4A
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English (en)
French (fr)
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EP2980936A1 (de
EP2980936B8 (de
Inventor
Boris Gautier
Stéphane BRESCON
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.)
ABB Schweiz AG
Original Assignee
ABB France SAS
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 ABB France SAS filed Critical ABB France SAS
Publication of EP2980936A1 publication Critical patent/EP2980936A1/de
Publication of EP2980936B1 publication Critical patent/EP2980936B1/de
Application granted granted Critical
Publication of EP2980936B8 publication Critical patent/EP2980936B8/de
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/01—Mounting; Supporting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C1/00—Details
    • H01C1/01—Mounting; Supporting
    • H01C1/014—Mounting; Supporting the resistor being suspended between and being supported by two supporting sections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors
    • H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/7076—Coupling devices for connection between PCB and component, e.g. display
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/06—Mounting arrangements for a plurality of overvoltage arresters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2625—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component
    • H01R9/2641—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component with built-in overvoltage protection

Definitions

  • the present invention relates to the protection of electrical installations and more specifically to the connection to the electrical circuit of a cartridge comprising an active protection component.
  • the active component of a surge arrester can be a varistor or a spark gap.
  • the varistors, or variable resistors, current are composed of zinc oxide assembled by sintering in the form of ceramic block.
  • a varistor block has a nonlinear voltage / current characteristic: beyond a certain voltage threshold, the impedance of the varistor drops to allow the discharge of the current responsible for the overvoltage. When the voltage returns to its normal level, the impedance of the varistor returns to its idle state.
  • the spark gaps when they consist of two electrodes facing each other in any medium (ambient air or specific gas). Beyond a certain voltage value of current, an electric arc is established between the electrodes which allows to evacuate the surge.
  • the spark gap or the varistor are frequently arranged in a cartridge also comprising two connectors, electrically connected to the electrical installation to be protected.
  • the present invention aims to solve all or part of the disadvantages mentioned above.
  • the electrical flow through the circuit portion of the base and passing through the active component via the connectors induces magnetic fields between the cartridge and the base which thus attract.
  • the phenomena of tearing of the cartridge during the passage of a high current in the circuit are avoided or limited, the cartridge is instead attracted to the base.
  • the mechanical reinforcements of the connections between the cartridge and the base are no longer necessary.
  • a direction transverse to the insertion direction means a direction oriented at an angle of between 45 ° and 90 ° with respect to the direction of insertion.
  • the direction transverse to the direction of insertion is a direction oriented at an angle of between 60 ° and 90 ° with respect to the direction of insertion.
  • the direction transverse to the direction of insertion is a direction oriented at an angle of between 80 ° and 90 ° with respect to the direction of insertion.
  • the direction transverse to the direction of insertion is a direction oriented perpendicular to the direction of insertion.
  • the invention also relates to a protective device of an electrical installation comprising a cartridge according to any one of the above-mentioned characteristics and a base comprising a first electric circuit range and a second electric circuit range, the cartridge being suitable to be electrically connected to the first range via a first electrical contact and to the second range via a second electrical contact.
  • the first and second electric circuit pads of the base are adapted to be traversed by an electrical flow in a specific direction.
  • This protection device comprises a base 15 on which is releasably connected a cartridge 2.
  • the elements arranged in the cartridge 2 are represented in figure 2 .
  • the cartridge 2 comprises an active component, here a varistor 1, a first connector 7 forming a first portion of the electrical circuit and a second connector 9 forming a second portion of the electrical circuit.
  • the active component could also be for example a spark gap.
  • the varistor 1 comprises two terminals 3, 5 to which are connected the electrical circuit portions of the connectors 7, 9.
  • the connector 7 is connected to the varistor 1 by the terminal 3.
  • the connector 7 comprises a support portion, here a pin 11 intended to come into contact with the base 15.
  • the connector 9 is connected to the varistor 1 by the terminal 5.
  • the connector 9 comprises a bearing portion, here a pin 13 intended to come into contact with the base 15.
  • the first electrical circuit portion comprises a first end point 8 and the second electrical circuit portion comprises a second end point 10 .
  • the base 15 is represented in figure 3 .
  • the base 15 comprises a first area 19 and a second area 21.
  • the first area 19 comprises an electrical contact 23 and the second area 21 comprises an electrical contact 25.
  • the cartridge 2 can be removably attached to the base 15. Indeed, the pins 11 and 13 are arranged to be electrically connected to the electrical contacts 23 and 25 of the tracks 19 and 21 of the base 15.
  • the electrical contacts 23, 25 each comprise an elastic contact device 24, 26, providing the electrical connection between the electrical contacts 23, 25 and the pins 11, 13. In addition, the installation and removal of the cartridge 2 in the base 15 is facilitated by these elastic contact devices 24, 26.
  • the cartridge is adapted to be attached to the base in an insertion direction 20, substantially parallel to the pins 11, 13.
  • the electrical contacts 23 and 25 In a direction transverse to the insertion direction 20, the electrical contacts 23 and 25 have a gap smaller than the gap between the end points 8 and 10 of the electrical circuit portions of the connectors 7, 9.
  • the pin 11 of the connector 7 is disposed between the pin 13 and the end point 10 in the direction transverse to the direction of insertion 20.
  • the pin 11 is electrically connected to the electrical contact 23 of the range 19.
  • the pin 13 of the connector 9 is disposed between the end point 8 and the pin 11 in the transverse direction 30 to the direction of insertion 20.
  • the pin 13 is electrically connected to the electrical contact 25 of the range 21.
  • the connectors 7 and 9 are cross at a crossing zone 27. At the crossing zone 27, the connectors 7, 9 have an offset along the z axis.
  • the terminals 3 and 5 of the active component 1 have substantially the same offset along the z axis.
  • a first segment 29 of the connector 7 defined between the end point 8 and the pin 13 extends opposite the range 19 of the base 15.
  • the orientation of the segment 29 is substantially transverse to the direction of insertion 20 .
  • a segment 31 of the connector 9 defined between the pin 11 and the end point 10 extends opposite the range 21 of the base 15.
  • the orientation of the segment 31 is substantially transverse to the direction of insertion 20.
  • the current is able to flow through the varistor 1.
  • the current flow is represented by the arrows 33.
  • a very high intensity of current flows therefore the first track 19 of the base 15, passes through the electrical contact 23 and reaches the cartridge by the pin 13.
  • the current flows through the electrical circuit portion of the connector 9, passes through the varistor 1 and then runs through the electrical circuit portion from the connector 7 to the pin 11.
  • the current then passes through the electrical contact 25 to reach the range 21 of the base 15.
  • Magnetic fields are induced by the current flow on the one hand in the ranges 19, 21 and secondly in the portions 29, 31 of the connectors 7, 9. These magnetic fields generate attraction in the direction of insertion 20 between the portion 29 of the connector 7 and the range 19 of the base 15 on the one hand, and between the portion 31 of the connector 9 and the range 21 of the base 15 of somewhere else.
  • the elastic contact devices 24, 26 make it possible to ensure electrical contact between the base 15 and the cartridge 2 even in the case of the passage of a current of high intensity.
  • the present invention is not limited to the embodiment described and shown, provided by way of illustrative and non-limiting example.
  • the distance between the connecting elements 7, 9 and the tracks 19, 21 of the base 15 can be modified in order to obtain a more or less strong attraction between the cartridge 2 and the base 15 in case of surge .

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Connection Or Junction Boxes (AREA)

Claims (11)

  1. Patrone einer Schutzeinrichtung einer elektrischen Installation, die dazu bestimmt ist, an einem Sockel (15) angebracht zu werden, wobei die Patrone Folgendes umfasst:
    - ein aktives Schutzbauteil (1), eine erste Klemme (3) und eine zweite Klemme (5) umfassend;
    - einen ersten Anschluss (7), der einen ersten Stromkreisabschnitt bildet, der elektrisch mit der ersten Klemme (3) verbunden ist, und einen zweiten Anschluss (9), der einen zweiten Stromkreisabschnitt bildet, der elektrisch mit der zweiten Klemme (5) verbunden ist, wobei der erste Stromkreisabschnitt dazu bestimmt ist, über einen ersten Anlageabschnitt (11) elektrisch mit dem Sockel (15) verbunden zu werden, und der zweite Stromkreisabschnitt dazu bestimmt ist, über einen zweiten Anlageabschnitt (13) elektrisch mit dem Sockel (15) verbunden zu werden,
    wobei der erste Anschluss (7) und der zweite Anschluss (9) angeordnet sind, um die Verbindung der Patrone (2) am Sockel (15) in eine Einführrichtung (20) zu ermöglichen,
    wobei der erste Anlageabschnitt (11) und der zweite Anlageabschnitt (13) einen in eine zur Einführrichtung (20) querlaufende Richtung (30) bestimmten Abstand aufweisen,
    wobei der erste Stromkreisabschnitt einen ersten Endpunkt (8) in der zur Einführrichtung (20) querlaufenden Richtung (30) umfasst, und der zweite Stromkreisabschnitt einen zweiten Endpunkt (10) in der zur Einführrichtung (20) querlaufende Richtung (30) umfasst, wobei der erste Endpunkt (8) und der zweite Endpunkt (10) einen in der zur Einführrichtung (20) querlaufenden Richtung (30) bestimmten Abstand zwischen dem ersten Anlageabschnitt (11) und dem zweiten Anlageabschnitt (13) aufweisen,
    dadurch gekennzeichnet, dass der erste Anlageabschnitt (11) zwischen dem zweiten Anlageabschnitt (13) und dem zweiten Endpunkt (10) in der zur Einführrichtung (20) querlaufenden Richtung (30) angeordnet ist,
    und dadurch, dass der zweite Anlageabschnitt (13) zwischen dem ersten Endpunkt (8) und dem ersten Anlageabschnitt (11) in der zur Einführrichtung (20) querlaufenden Richtung (30) angeordnet ist.
  2. Patrone nach Anspruch 1, wobei ein erstes Segment (29) des ersten Anschlusses (7), das zwischen dem ersten Endpunkt (8) und dem zweiten Anlageabschnitt (13) definiert wird, und ein zweites Segment (31) des zweiten Anschlusses (9), das zwischen dem ersten Anlageabschnitt (11) und dem zweiten Endpunkt (10) definiert wird, im Verhältnis zur Einführrichtung (20) querlaufend ausgerichtet sind.
  3. Patrone nach einem der Ansprüche 1 oder 2, wobei der erste Anlageabschnitt (11) und der zweite Anlageabschnitt (13) in einem Winkel zwischen 0° und 45° im Verhältnis zur Einführrichtung (20) ausgerichtet sind.
  4. Patrone nach einem der vorhergehenden Ansprüche, wobei der erste Anschluss (7) den zweiten Anschluss (9) in einer Kreuzungszone (27) kreuzt, im Bereich derer sich der erste Anschluss (7) auf einer Ebene befindet, die im Verhältnis zu einer Ebene versetzt ist, auf der sich der zweite Anschluss (9) befindet.
  5. Patrone nach Anspruch 4, wobei die Kreuzungszone (27) zwischen dem ersten Anlageabschnitt (11) und dem zweiten Anlageabschnitt (13) in der zur Einführrichtung (20) querlaufenden Richtung (30) enthalten ist.
  6. Schutzeinrichtung einer elektrischen Installation, eine Patrone (2) nach einem der vorhergehenden Ansprüche umfassend, und einen Sockel (15), einen ersten Stromkreisbereich (19), und einen zweiten Stromkreisbereich (21) umfassend, wobei die Patrone (2) imstande ist, über einen ersten elektrischen Kontakt (23) elektrisch mit dem ersten Bereich (19), und über einen zweiten elektrischen Kontakt (25) mit dem zweiten Bereich (21) verbunden zu werden.
  7. Schutzeinrichtung nach Anspruch 6, wobei der erste Stromkreisabschnitt (7) über den ersten Anlageabschnitt (11) elektrisch mit dem zweiten elektrischen Kontakt (25) verbunden ist, und der zweite Stromkreisabschnitt (9) über den zweiten Anlageabschnitt (13) elektrisch mit dem ersten elektrischen Kontakt (23) verbunden ist.
  8. Schutzeinrichtung nach einem der Ansprüche 6 oder 7, wobei sich das erste Segment (29) des ersten Anschlusses (5) gegenüber dem ersten Bereich (19) erstreckt und sich das zweite Segment (31) des zweiten Anschlusses (9) gegenüber dem zweiten Bereich (21) erstreckt.
  9. Schutzeinrichtung nach einem der Ansprüche 6 bis 8, wobei der erste Bereich (19) und der zweite Bereich (21) im Verhältnis zur Einführrichtung (20) der Patrone (2) querlaufend ausgerichtet sind.
  10. Schutzeinrichtung nach einem der Ansprüche 6 bis 9, wobei der erste elektrische Kontakt (23) eine erste elastische Kontaktvorrichtung (24) umfasst, und der zweite elektrische Kontakt (25) eine zweite elastische Kontaktvorrichtung (26) umfasst, wobei der erste Anlageabschnitt (11) imstande ist, sich an der zweiten elastischen Kontaktvorrichtung (26) anzulegen, und der zweite Anlageabschnitt (13) imstande ist, sich an der ersten elastischen Kontaktvorrichtung (24) anzulegen.
  11. Schutzeinrichtung nach einem der Ansprüche 6 bis 10, wobei die Patrone (2) imstande ist, abnehmbar mit dem Sockel (15) verbunden zu werden.
EP15174752.4A 2014-08-01 2015-07-01 Steckmodul einer schutzvorrichtung für elektrische anlage mit überkreuzten anschlüssen Active EP2980936B8 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1457489A FR3024602B1 (fr) 2014-08-01 2014-08-01 Cartouche de dispositif de protection d’installation electrique a connecteurs croises

Publications (3)

Publication Number Publication Date
EP2980936A1 EP2980936A1 (de) 2016-02-03
EP2980936B1 true EP2980936B1 (de) 2017-05-24
EP2980936B8 EP2980936B8 (de) 2017-08-30

Family

ID=51830514

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15174752.4A Active EP2980936B8 (de) 2014-08-01 2015-07-01 Steckmodul einer schutzvorrichtung für elektrische anlage mit überkreuzten anschlüssen

Country Status (5)

Country Link
US (1) US9941669B2 (de)
EP (1) EP2980936B8 (de)
CN (1) CN105322498B (de)
FR (1) FR3024602B1 (de)
RU (1) RU2680961C2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD811333S1 (en) * 2016-01-12 2018-02-27 M & I Materials Limited Varistor unit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2490411A1 (fr) * 1980-09-18 1982-03-19 Roudeau Maurice Module a coupure et protection pour le raccordement de circuits electriques
US6430020B1 (en) * 1998-09-21 2002-08-06 Tyco Electronics Corporation Overvoltage protection device including wafer of varistor material
DE10001667C1 (de) * 2000-01-03 2001-10-25 Dehn & Soehne Mehrpoliger Überspannungsableiter zum Einsatz in Niederspannungs-Stromversorgungssystemen
DE202004006227U1 (de) * 2004-04-16 2004-09-16 Phoenix Contact Gmbh & Co. Kg Überspannungsschutzgerät
FR2877154B1 (fr) * 2004-10-22 2006-12-22 Legrand Sa Dispositif perfectionne de protection d'appareils electriques contre des surtensions
US7433169B2 (en) * 2005-12-15 2008-10-07 Raycap Corporation Overvoltage protection devices including wafer of varistor material
US8368337B2 (en) * 2009-05-21 2013-02-05 Lennox Industries Inc. HVAC equipment phase and voltage monitor and control
DE102011013300B4 (de) * 2010-09-20 2013-10-10 Obo Bettermann Gmbh & Co. Kg Gerätekombination zum Schutz vor Überspannungen
JP5609734B2 (ja) * 2011-03-24 2014-10-22 日立金属株式会社 コネクタ
CZ304868B6 (cs) * 2011-04-01 2014-12-17 Saltek S.R.O. Svodič přepětí s výměnným modulem přepěťové ochrany
US20130292268A1 (en) * 2012-05-01 2013-11-07 Joseph Basmaji Personal Device Case

Also Published As

Publication number Publication date
EP2980936A1 (de) 2016-02-03
RU2680961C2 (ru) 2019-03-01
CN105322498B (zh) 2019-04-26
US20160036202A1 (en) 2016-02-04
CN105322498A (zh) 2016-02-10
FR3024602A1 (fr) 2016-02-05
EP2980936B8 (de) 2017-08-30
US9941669B2 (en) 2018-04-10
RU2015131315A (ru) 2017-02-03
RU2015131315A3 (de) 2019-01-09
FR3024602B1 (fr) 2016-08-05

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