EP0880156A2 - Agencement de résistance pour un appareil de commutation électromagnétique destiné à couper une charge capacitive - Google Patents

Agencement de résistance pour un appareil de commutation électromagnétique destiné à couper une charge capacitive Download PDF

Info

Publication number
EP0880156A2
EP0880156A2 EP97117639A EP97117639A EP0880156A2 EP 0880156 A2 EP0880156 A2 EP 0880156A2 EP 97117639 A EP97117639 A EP 97117639A EP 97117639 A EP97117639 A EP 97117639A EP 0880156 A2 EP0880156 A2 EP 0880156A2
Authority
EP
European Patent Office
Prior art keywords
contact pieces
main
auxiliary contact
resistor
housing
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
EP97117639A
Other languages
German (de)
English (en)
Other versions
EP0880156B1 (fr
EP0880156A3 (fr
Inventor
Reiner Linek
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.)
Rockwell Automation Switzerland GmbH
Original Assignee
Rockwell Automation AG
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 Rockwell Automation AG filed Critical Rockwell Automation AG
Publication of EP0880156A2 publication Critical patent/EP0880156A2/fr
Publication of EP0880156A3 publication Critical patent/EP0880156A3/fr
Application granted granted Critical
Publication of EP0880156B1 publication Critical patent/EP0880156B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/54Contact arrangements
    • H01H50/541Auxiliary contact devices
    • H01H50/543Auxiliary switch inserting resistor during closure of contactor

Definitions

  • the present invention relates to a resistor arrangement for a Switching of capacitive loads certain electromagnetic switching device, the switching device with main contacts and auxiliary contact pieces connected in parallel is equipped and at least one of the connecting terminals Auxiliary contact pieces and at least one connection terminal of the main contact pieces are arranged one above the other on the same side of the switching device and between the terminals of the main and auxiliary contact pieces at least one ohmic resistor is connected to each phase, the Switch on auxiliary contact pieces in front of the main contact pieces and switch them off after these.
  • EP-B1-0058235 is an electromagnetic switching device at the beginning known type known.
  • This switchgear is between the connections the main and auxiliary contacts of each pase are wound from insulated wire, ohmic resistors connected.
  • the wound resistors have one insufficient stability and therefore have to be covered with insulating ribs between the neighboring phases and to the two edges of the switching device in their Movement can be limited.
  • the resistors are in front of the switchgear and therefore take up a relatively large amount of space. If the switchgear is shaken also spring the wound resistors, whereby at the connection points of the resistance wires, bending stresses occur which are caused by the expected fatigue breaks to shorten the lifespan of the switchgear to lead. When assembling it is difficult to use the resistance wire to connect wound unstable resistors, they must be connected to both Ends are held and guided.
  • the object of the present invention is to provide a resistor arrangement an electromagnetic one suitable for switching capacitive loads Develop switchgear, the switchgear being used for switching capacitive Loads required resistors are built in so that each resistor with sufficient stability is maintained, a relatively long service life has space-saving arrangement and allows easy assembly.
  • Every resistance is immediate under the connecting terminal of the auxiliary contact piece in a direction of Terminal of the main contact piece expanding, in one housing existing cavity is housed from insulating material.
  • the cavity in the The insulating material housing ensures good resistance of the resistors through its walls. In the cavity, the resistances to shocks are in their movements limited, so that practically no fatigue fractures can be expected are, which makes the life of the resistors relatively long. This arrangement is suitable for simple assembly and is space-saving.
  • Each resistor can be separated from the housing of the main contact pieces Housing of the auxiliary contact pieces in one under the connection terminal of the assigned Auxiliary contact piece existing cavity and installed one connection at one end to the one in the upper area of the cavity lying terminal of the auxiliary contact piece and that other end of each resistor via an electrical conductor from the cavity be led out, the free end of the electrical conductor for the Connection to the connection terminal of the im with the housing of the auxiliary contact pieces Assembled housing of the main contact pieces lying main contact piece the same phase is formed.
  • the Auxiliary switch with the resistors pre-assembled and if necessary on the Switchgear with the main contact pieces, usually placed on a contactor will.
  • the electrical conductor led out of the cavity is advantageous flexible and provided with electrical insulation.
  • the conductor is the connection of the resistors to the connection terminals of the main contact pieces very easy with the auxiliary switch attached.
  • the circuit diagram in FIG. 1 shows an electromagnetic switching device 1 a capacitive load formed from three capacitors 2.
  • the electromagnetic Switchgear 1 is with main contact pieces 3 and with auxiliary contact pieces 4 equipped, which are actuated by an electromagnet 5.
  • the Auxiliary contact pieces 4 switch on and in front of the main contact pieces 3 after the main contact pieces 3.
  • a resistor 8 is connected in phases.
  • the other terminals 9, 10 of the main and auxiliary contact pieces 3, 4 are in each phase electrically connected to one another by the connections 11.
  • the main and Auxiliary contact pieces 3, 4 are connected in parallel via the resistor 8.
  • the Resistors 8 are used as charging or discharging resistors for the capacitors 2 intended.
  • FIG. 2 shows part of an electromagnetic switching device 1, partly in Cut.
  • the main contact pieces 3 not visible in FIG. 2 are in the Housing 12 housed.
  • the auxiliary contact pieces 4 are in the housing 13 arranged.
  • the two housings 12 and 13 of the main and auxiliary contact pieces 3, 4 are mechanical with each other in a manner not shown releasably connected.
  • the housing 13 of the auxiliary contact pieces 4 is on if necessary Housing 12 of the main contact pieces 3, which is usually the housing of a electromagnetic contactor is attached.
  • the resistor 8 is in each phase immediately below the terminal 7 of the auxiliary contact piece 4 in a direction of the terminal 6 of the Main contact piece 3 expanding, existing in the housing 13 cavity 14 housed.
  • Figures 3 and 4 show the resistor 8 from the Side and from above, with the top connector 15 and with the one at the other end of the resistor 8 connected electrical conductor 16.
  • This resistor 8 is with its upper connection 15 at the top of the cavity 14 lying terminal 7 of the auxiliary contact piece 4 connected.
  • the other end of the resistor 8 is via the electrical conductor 16 from the Cavity 14 led out.
  • the housing 13 of the auxiliary contact pieces 4 is at the production equipped with the resistors 8.
  • connection terminals 11 and the electrical conductors 16 are available when the housing 13 is assembled Connection to the terminals 6 and 9 of the main contact pieces 3 for Available.
  • connection terminal 6 To connect the electrical conductor 16 to the connection terminal 6 to facilitate, its free end with one under the terminal 6 insertable connector 17 provided. Because of practical reasons the electrical conductor 16 is flexible and with electrical insulation Mistake.
  • the resistance wire itself can emerge from cavity 14 led out electrical conductor 16 are used. In this case it is part of the resistance wire led out of the cavity 14 electrically isolated.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Scissors And Nippers (AREA)
  • Apparatuses And Processes For Manufacturing Resistors (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Push-Button Switches (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Electronic Switches (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP97117639A 1997-05-20 1997-10-11 Agencement de résistance pour un appareil de commutation électromagnétique destiné à couper une charge capacitive Expired - Lifetime EP0880156B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH116897 1997-05-20
CH1168/97 1997-05-20
CH116897 1997-05-20

Publications (3)

Publication Number Publication Date
EP0880156A2 true EP0880156A2 (fr) 1998-11-25
EP0880156A3 EP0880156A3 (fr) 1999-08-04
EP0880156B1 EP0880156B1 (fr) 2002-06-12

Family

ID=4204071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97117639A Expired - Lifetime EP0880156B1 (fr) 1997-05-20 1997-10-11 Agencement de résistance pour un appareil de commutation électromagnétique destiné à couper une charge capacitive

Country Status (7)

Country Link
US (1) US5872498A (fr)
EP (1) EP0880156B1 (fr)
AT (1) ATE219283T1 (fr)
DE (1) DE59707498D1 (fr)
DK (1) DK0880156T3 (fr)
ES (1) ES2175240T3 (fr)
PT (1) PT880156E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015036830A1 (fr) * 2013-09-13 2015-03-19 Toyota Jidosha Kabushiki Kaisha Système d'accumulation électrique

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19729595C1 (de) * 1997-07-10 1998-10-22 Siemens Ag Kondensatorschütz
US7540792B2 (en) * 2006-08-07 2009-06-02 General Electric Company Switching apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8622553U1 (de) * 1986-08-22 1986-10-23 Murr-Formenbau GmbH, 7155 Oppenweiler Anschlußgehäuse für einen Schütz
DE29601735U1 (de) * 1995-06-09 1996-03-14 Sprecher + Schuh Ag, Aarau, Aargau Widerstandsanordnung zu einem zum Schalten von kapazitiven Lasten bestimmten elektromagnetischen Schaltgerät
DE19729595C1 (de) * 1997-07-10 1998-10-22 Siemens Ag Kondensatorschütz

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59105226A (ja) * 1982-12-09 1984-06-18 株式会社日立製作所 しゃ断器
US5119261A (en) * 1987-12-18 1992-06-02 Elin-Union Aktiengesellschaft Fur Elektrische Industrie Circuit arrangement for switching current to thyristors
US5677655A (en) * 1994-08-09 1997-10-14 Fuji Electric Co., Ltd. Electromagnetic contactor with adjustment contact terminals

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8622553U1 (de) * 1986-08-22 1986-10-23 Murr-Formenbau GmbH, 7155 Oppenweiler Anschlußgehäuse für einen Schütz
DE29601735U1 (de) * 1995-06-09 1996-03-14 Sprecher + Schuh Ag, Aarau, Aargau Widerstandsanordnung zu einem zum Schalten von kapazitiven Lasten bestimmten elektromagnetischen Schaltgerät
DE19729595C1 (de) * 1997-07-10 1998-10-22 Siemens Ag Kondensatorschütz

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015036830A1 (fr) * 2013-09-13 2015-03-19 Toyota Jidosha Kabushiki Kaisha Système d'accumulation électrique

Also Published As

Publication number Publication date
ATE219283T1 (de) 2002-06-15
EP0880156B1 (fr) 2002-06-12
DK0880156T3 (da) 2002-07-15
ES2175240T3 (es) 2002-11-16
DE59707498D1 (de) 2002-07-18
PT880156E (pt) 2002-10-31
US5872498A (en) 1999-02-16
EP0880156A3 (fr) 1999-08-04

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