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EP0099998A1 - Contacteur électromagnétique, notamment pour démarreurs de moteurs à combustion interne - Google Patents

Contacteur électromagnétique, notamment pour démarreurs de moteurs à combustion interne Download PDF

Info

Publication number
EP0099998A1
EP0099998A1 EP83106479A EP83106479A EP0099998A1 EP 0099998 A1 EP0099998 A1 EP 0099998A1 EP 83106479 A EP83106479 A EP 83106479A EP 83106479 A EP83106479 A EP 83106479A EP 0099998 A1 EP0099998 A1 EP 0099998A1
Authority
EP
European Patent Office
Prior art keywords
magnet armature
switching pin
switching
return spring
contact bridge
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
EP83106479A
Other languages
German (de)
English (en)
Other versions
EP0099998B1 (fr
Inventor
Karl-Heinz Bögner
Klaus Dr.-Ing. Bolenz
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0099998A1 publication Critical patent/EP0099998A1/fr
Application granted granted Critical
Publication of EP0099998B1 publication Critical patent/EP0099998B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
    • H01H51/065—Relays having a pair of normally open contacts rigidly fixed to a magnetic core movable along the axis of a solenoid, e.g. relays for starting automobiles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/001—Means for preventing or breaking contact-welding

Definitions

  • the invention is based on an electromagnetic switch according to the preamble of claim 1.
  • the switching pin is slidably disposed with respect to the magnet armature.
  • the switching pin is only moved by the magnet armature during its retraction movement when the magnet armature has already covered part of its path. If the starting device is switched off after the internal combustion engine has been turned on, then the return spring pushes the magnet armature back into its rest position.
  • the magnet armature is brought into its rest position when the pinion is disengaged via the single-track gear and by means of the return spring; however, the switching pin does not initially follow the movement of the magnet armature.
  • the contact bridge sticks or welds to the main current contacts, then the force of the return spring is not sufficient to press the contact bridge away from the main current contacts.
  • the main current contacts remain over the contact bridge connected.
  • the starter motor is still connected to the power source and runs without the driver noticing that it is running and causing damage to the starter motor and electromagnetic switch.
  • the switching pin is therefore provided with additional switching means for inevitably returning the switching pin and thus the contact bridge to the rest position.
  • an electromagnetic switch is known in which the switching pin is attached to the armature.
  • the assembly of the switching pin-contact bridge assembly with the magnet armature cannot disadvantageously not be carried out automatically in an economical manner for large-scale production. Parts of the assembly are also unnecessarily destroyed when disassembling for adjustment and repair purposes.
  • the electromagnetic switch according to the invention with the characterizing features of claim 1 has the advantage that the return movement of the assembly-friendly assembly of switching bolt, contact bridge support, contact bridge and contact pressure spring into its rest position after switching off the starter device is moved by the full force of the return spring, the switching pin being moved joins the entire path of the magnet armature.
  • the tearing of the contact bridge is facilitated and accelerated because the contact bridge is torn off immediately with the return movement of the magnet armature, so that the return spring can be omitted.
  • the return spring also keeps the magnet armature and switching pin assembly in the rest position.
  • FIG. 1 shows a first exemplary embodiment of the electromagnetic switch
  • FIG. 2 shows a second exemplary embodiment of the switch
  • FIG. 3 shows a modification of the switching pin according to FIG. 2, in each case in longitudinal section.
  • An electromagnetic switch has a cup-shaped housing 1, which also serves as a yoke.
  • a magnetic core 2 rests on its end face.
  • On one shoulder of the magnetic core 2 sits one end of a brass sleeve 3, the other end of which is inserted into a bore in the bottom of the housing 1.
  • a spring 7 is inserted, which holds the winding support 4 in a tolerance-compensating and shake-proof manner in the housing 1.
  • the outer end face of the magnetic core 2 delimits a switching space 8 which is enclosed by a cap 9.
  • the cap 9 has a flange 10 on its edge facing the magnetic core 2.
  • a spring element 11 is inserted between the magnetic core 2 and the edge of the cap.
  • a fastening edge 12 of the housing 1 extends over the magnetic core 2 and the flange 10 and is flanged behind the flange 10.
  • two main current contacts 13 and 14 are fastened, which protrude into the switch room 8 and have connecting bolts leading out of the cap 9, which are connected in a manner known per se and not shown in more detail to the positive pole of a battery or to the field winding of a starter motor are.
  • a magnetic armature 15 is guided in the brass sleeve 3 so as to be shake-proof.
  • a driver 16 is fastened for an engagement lever, not shown, of a single-track transmission.
  • the magnet armature 15 has a blind hole 17 which is open towards the magnet core 2 and in which one end 18 of a switching pin 19 is guided.
  • the switching pin 19 is provided near its end 18 with an annular groove 20 in which a snap ring 21 is arranged as a stop.
  • a cup-shaped guide part 22, which rests on the snap ring 21, sits on the switching pin 19.
  • the edge 23 of the guide part 22 engages over the snap ring 21 and is guided in the blind bore 17 of the magnet armature 15.
  • the switching pin 19 is made of metal or plastic, for example Ultramid.
  • the switching pin 19 is guided in a longitudinal bore 24 of the magnetic core 2. It protrudes with an end section 25 of smaller diameter than the part guided in the longitudinal bore 24 into the switching space 8. On the end section 25 there are a contact pressure spring 26, a contact bridge support 27 made of insulating material, which carries a contact bridge 28, an insulating washer 29 and one in one Ring groove 30 seated stop ring 31 arranged. In the rest position of the switch, the contact bridge carrier 27 is seated in an expanded end section 32 of the magnetic core 2.
  • a return spring 33 is arranged on the switching pin 19. It rests at one end on the guide part 22 and is supported on the magnetic core 2 at the other end.
  • the return spring 33 holds the assembly of switching pin 19, contact pressure spring 26, contact bridge support 27 with contact bridge 28 and the magnet armature 15 in the rest position shown in the drawing.
  • the switching pin 19 is pressed by the return spring 33 to the bottom of the blind bore 17.
  • the starter motor not shown, connected to the connecting bolt of the main current contact 13 is connected to the current source, also not shown, connected to the connecting bolt of the main current contact 14 in a manner known per se.
  • the starter motor receives power to start the internal combustion engine.
  • the power supply to the field winding of the electromagnetic switch is switched off.
  • the magnetic armature 15 is pushed away from the magnetic core 2 by the return spring 33.
  • the check spring 33 acts directly on the guide part 22, which rests on the snap ring 21 of the switching pin 19 and pushes the switching pin 19 together with the magnet armature 15 back into the rest position.
  • the switching pin 19 pulls the contact bridge carrier 27 with the contact bridge 28 via the stop ring 31, so that the contact bridge 18 is lifted from the main current contacts 13 and 14, the power supply from the power source to the starting motor is interrupted and the starting motor comes to a standstill.
  • the contact bridge 28 Since the entire force of the return spring 33 acts on the switching bolt 19 when the magnet armature 15 is pushed back, the contact bridge 28 is also torn off when the contact bridge 28 is glued or welded to the main current contacts 13 and 14.
  • the magnet armature 15 and the switching pin 19 inevitably move together, even when the switching pin 19 is only inserted into the blind hole 17 of the magnet armature 15 and is not fastened to the magnet armature 15.
  • the return spring 33 keeps the switching pin 19 pressed against the bottom of the blind hole 17 via the guide part 22.
  • the guide part 22 holds the switching pin 19 sufficiently shake-proof in the blind bore 17 of the magnet armature 15 by its edge 23.
  • FIG. 1 A second embodiment of the electromagnetic switch is shown in Figure 2. As far as the parts are the same as those of Figure 1, they have the same reference numbers.
  • a switching pin 34 is inserted, the end of which lies against the bottom of the blind hole 17 is designed as a stop 35, against which the return spring 33 rests and which also serves as a guide for the switching pin 34 in the magnet armature 15.
  • the stop 35 is upset, for example, as a flange.
  • the stop 35 is formed, for example, as a flange when spraying.
  • FIG. 3 shows a modification of the switching pin 34 in FIG. 2. As far as the parts are the same as those in Figures 1 and 2, they have the same reference numerals.
  • a metal switching pin 36 inserted into the blind bore 17 of the magnet armature 15 has an upset end 37 which serves as a stop for the return spring 33 and as a guide for the switching pin 36 in the magnet armature 15. Since it can happen in the rough operation in motor vehicles that the return spring 33 strikes grooves in the switching pin 36, the switching pin 36 is covered with an adjacent sleeve 38, for example made of a thermoplastic such as glass fiber reinforced Ultramid.
  • the sleeve 38 extends from the stop 37 to the section of the switching bolt 36 guided in the longitudinal bore 24 of the magnetic core 2.
  • the end face 39 of the sleeve 38 forms the contact for the end of the contact pressure spring 26, which has its other end on the contact bridge carrier 27 supports.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
EP83106479A 1982-07-30 1983-07-02 Contacteur électromagnétique, notamment pour démarreurs de moteurs à combustion interne Expired EP0099998B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8221714U DE8221714U1 (de) 1982-07-30 1982-07-30 Elektromagnetischer Schalter, insbesondere für Andrehvorrichtungen von Brennkraftmaschinen
DE8221714U 1982-07-30

Publications (2)

Publication Number Publication Date
EP0099998A1 true EP0099998A1 (fr) 1984-02-08
EP0099998B1 EP0099998B1 (fr) 1985-11-13

Family

ID=6742369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83106479A Expired EP0099998B1 (fr) 1982-07-30 1983-07-02 Contacteur électromagnétique, notamment pour démarreurs de moteurs à combustion interne

Country Status (4)

Country Link
US (1) US4604597A (fr)
EP (1) EP0099998B1 (fr)
JP (1) JPS5935335A (fr)
DE (2) DE8221714U1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0210789A2 (fr) * 1985-07-19 1987-02-04 Mitsubishi Denki Kabushiki Kaisha Interrupteur électromagnétique
WO1987002824A1 (fr) * 1985-10-23 1987-05-07 Robert Bosch Gmbh Interrupteur electromagnetique, en particulier pour les dispositifs de demarrage de moteurs a combustion interne
WO1990001211A1 (fr) * 1988-07-21 1990-02-08 Robert Bosch Gmbh Interrupteur electromagnetique pour dispositifs de demarrage de moteurs a combustion interne
EP0433551A1 (fr) * 1989-12-22 1991-06-26 Schaltbau Aktiengesellschaft Disjoncteur contacteur
WO1992022082A1 (fr) * 1991-05-27 1992-12-10 Robert Bosch Gmbh Contacteur a solenoïde pour le demarreur d'un moteur a combustion interne
EP0587611A1 (fr) * 1991-03-28 1994-03-23 Kilovac Corp Dispositif de relais sous vide a courant continu.
FR2697370A1 (fr) * 1992-10-26 1994-04-29 Valeo Equip Electr Moteur Contacteur pour démarreur de moteur à combustion interne de véhicules automobiles.
EP0630034A1 (fr) * 1993-06-18 1994-12-21 Philippe Pointout Coupe-circuit impulsionnel
FR2899721A1 (fr) * 2006-04-11 2007-10-12 Diamecans Soc Par Actions Simp Dispositif de manoeuvre bistable d'un arbre mobile et coupe-circuit de batterie comprenant un tel dispositif
DE102009047080A1 (de) * 2009-11-24 2011-06-16 Tyco Electronics Amp Gmbh Elektrischer Schalter

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1195123B (it) * 1986-08-07 1988-10-12 Magneti Marelli Spa Dispositivo elettromagnetico di controllo dell alimentazione di corrente al motorino elettrico di avviamento di un motore a combustione interna
US4862123A (en) * 1988-05-05 1989-08-29 General Motors Corporation Solenoid for electric starters
US5021760A (en) * 1989-10-03 1991-06-04 Clum Manufacturing Company, Inc. Solenoid switch contact and mounting assembly
US5493089A (en) * 1994-01-13 1996-02-20 Black & Decker Inc. On/off switch assembly for an electric iron
FR2783090B1 (fr) * 1998-09-03 2000-10-13 Valeo Equip Electr Moteur Contacteur de demarreur a noyau mobile comportant une coupelle rapportee de fermeture
DE202007005133U1 (de) * 2007-04-04 2008-08-14 Eto Magnetic Gmbh Elektromagnetische Stellvorrichtung
US7728704B2 (en) * 2007-06-07 2010-06-01 Trombetta, Llc Method for reducing continuous charge
KR101004465B1 (ko) * 2008-09-05 2010-12-31 엘에스산전 주식회사 계전기
DE102009001725A1 (de) * 2009-03-23 2010-09-30 Robert Bosch Gmbh Startrelais einer Startvorrichtung für Brennkraftmaschinen
DE102009027844A1 (de) * 2009-07-20 2011-01-27 Robert Bosch Gmbh Schaltrelais mit Kontaktaufreißeinrichtung
JP6064577B2 (ja) * 2012-12-19 2017-01-25 株式会社デンソー スタータ用電磁スイッチ
JP5991189B2 (ja) * 2012-12-20 2016-09-14 株式会社デンソー スタータ用電磁スイッチ
DE102013210194A1 (de) * 2013-05-31 2014-12-04 Tyco Electronics Amp Gmbh Anordnung für ein elektrisches Schaltelement mit einer Dichtungsanordnung
FR3020715B1 (fr) * 2014-05-05 2016-05-06 Valeo Equip Electr Moteur Dispositif de contact d'un contacteur de demarreur
EP2963667B1 (fr) * 2014-07-03 2017-05-17 Valeo Equipements Electriques Moteur Couvercle d'un contacteur de démarreurs de véhicule automobile
US9368266B2 (en) 2014-07-18 2016-06-14 Trumpet Holdings, Inc. Electric solenoid structure having elastomeric biasing member
FR3024585B1 (fr) * 2014-08-01 2016-07-15 Valeo Equip Electr Moteur Contacteur electromagnetique de puissance muni d'une tige de commande a butee d'arret
DE102015212801A1 (de) * 2015-07-08 2017-01-12 Te Connectivity Germany Gmbh Elektrische Schaltanordnung mit verbesserter linearer Lagerung
US10890154B2 (en) * 2016-04-26 2021-01-12 Mitsubishi Electric Corporation Electromagnetic switch device for starter
CN111971773A (zh) * 2018-02-07 2020-11-20 Tdk电子股份有限公司 用于切换电负载的切换装置
JP2020004848A (ja) * 2018-06-28 2020-01-09 日本電産トーソク株式会社 ソレノイド装置
JP6919639B2 (ja) * 2018-10-02 2021-08-18 株式会社デンソー ソレノイド
DE102019106832B4 (de) 2019-03-18 2022-08-18 Tdk Electronics Ag Kontaktanordnung für eine Schaltvorrichtung und Schaltvorrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6803079U (de) * 1968-10-17 1969-06-19 Bosch Gmbh Robert Elektromagnetischer schalter, insbesondere fuer elektrische andrehmotoren in kraftfahrzeugen
DE2813699A1 (de) * 1978-03-30 1979-10-11 Bosch Gmbh Robert Elektromagnetischer schalter, insbesondere fuer andrehvorrichtungen von brennkraftmaschinen
DE3029408A1 (de) * 1980-08-02 1982-03-11 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetischer schalter, insbesondere fuer andrehvorrichtungen von brennkraftmaschinen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2561450A (en) * 1945-03-21 1951-07-24 Cutler Hammer Inc Electric switch
DE1514776A1 (de) * 1965-09-18 1969-08-14 Standard Elek K Lorenz Ag Elektromagnetisches Klein-Zylinderrelais
US3815060A (en) * 1973-04-19 1974-06-04 Square D Co Electromagnetic contactor for battery powered vehicles
DE7731335U1 (de) * 1977-10-11 1979-03-22 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetische stellvorrichtung
JPS5772229A (en) * 1980-10-22 1982-05-06 Nippon Denso Co Magnetic switch for starter
JPS6326906Y2 (fr) * 1981-02-10 1988-07-21

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6803079U (de) * 1968-10-17 1969-06-19 Bosch Gmbh Robert Elektromagnetischer schalter, insbesondere fuer elektrische andrehmotoren in kraftfahrzeugen
DE2813699A1 (de) * 1978-03-30 1979-10-11 Bosch Gmbh Robert Elektromagnetischer schalter, insbesondere fuer andrehvorrichtungen von brennkraftmaschinen
DE3029408A1 (de) * 1980-08-02 1982-03-11 Robert Bosch Gmbh, 7000 Stuttgart Elektromagnetischer schalter, insbesondere fuer andrehvorrichtungen von brennkraftmaschinen

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0210789A2 (fr) * 1985-07-19 1987-02-04 Mitsubishi Denki Kabushiki Kaisha Interrupteur électromagnétique
EP0210789A3 (en) * 1985-07-19 1989-02-15 Mitsubishi Denki Kabushiki Kaisha Electromagnetic switch
WO1987002824A1 (fr) * 1985-10-23 1987-05-07 Robert Bosch Gmbh Interrupteur electromagnetique, en particulier pour les dispositifs de demarrage de moteurs a combustion interne
AU584467B2 (en) * 1985-10-23 1989-05-25 Robert Bosch Gmbh Electromagnetic switch, in particular for starting devices of internal combustion engines
WO1990001211A1 (fr) * 1988-07-21 1990-02-08 Robert Bosch Gmbh Interrupteur electromagnetique pour dispositifs de demarrage de moteurs a combustion interne
EP0433551A1 (fr) * 1989-12-22 1991-06-26 Schaltbau Aktiengesellschaft Disjoncteur contacteur
EP0587611A1 (fr) * 1991-03-28 1994-03-23 Kilovac Corp Dispositif de relais sous vide a courant continu.
EP0587611A4 (fr) * 1991-03-28 1994-04-20 Kilovac Corporation
WO1992022082A1 (fr) * 1991-05-27 1992-12-10 Robert Bosch Gmbh Contacteur a solenoïde pour le demarreur d'un moteur a combustion interne
US5481236A (en) * 1991-05-27 1996-01-02 Robert Bosch Gmbh Engaging relay for the starter of an internal combustion engine
EP0595698A1 (fr) * 1992-10-26 1994-05-04 Valeo Equipements Electriques Moteur Contacteur pour démarreur de moteur à combustion interne de véhicules automobiles
US5424700A (en) * 1992-10-26 1995-06-13 Valeo Equipements Electriques Moteur Starter motor contactor for a motor vehicle internal combustion engine
FR2697370A1 (fr) * 1992-10-26 1994-04-29 Valeo Equip Electr Moteur Contacteur pour démarreur de moteur à combustion interne de véhicules automobiles.
EP0630034A1 (fr) * 1993-06-18 1994-12-21 Philippe Pointout Coupe-circuit impulsionnel
FR2899721A1 (fr) * 2006-04-11 2007-10-12 Diamecans Soc Par Actions Simp Dispositif de manoeuvre bistable d'un arbre mobile et coupe-circuit de batterie comprenant un tel dispositif
EP1845546A2 (fr) * 2006-04-11 2007-10-17 Diamecans Dispositif de manoeuvre bistable d'un arbre mobile et coupe-circuit de batterie comprenant un tel dispositif
EP1845547A2 (fr) * 2006-04-11 2007-10-17 Diamecans Dispositif de manoeuvre bistable d'un arbre mobile et coupe-circuit de batterie comprenant un tel dispositif
EP1845546A3 (fr) * 2006-04-11 2009-01-07 Diamecans Dispositif de manoeuvre bistable d'un arbre mobile et coupe-circuit de batterie comprenant un tel dispositif
EP1845547A3 (fr) * 2006-04-11 2009-01-07 Diamecans Dispositif de manoeuvre bistable d'un arbre mobile et coupe-circuit de batterie comprenant un tel dispositif
DE102009047080A1 (de) * 2009-11-24 2011-06-16 Tyco Electronics Amp Gmbh Elektrischer Schalter
DE102009047080B4 (de) * 2009-11-24 2012-03-29 Tyco Electronics Amp Gmbh Elektrischer Schalter

Also Published As

Publication number Publication date
DE3361221D1 (en) 1985-12-19
DE8221714U1 (de) 1982-09-23
JPS5935335A (ja) 1984-02-27
EP0099998B1 (fr) 1985-11-13
US4604597A (en) 1986-08-05

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