EP0280680B1 - Interrupteur electromagnetique, en particulier pour les dispositifs de demarrage de moteurs a combustion interne - Google Patents

Interrupteur electromagnetique, en particulier pour les dispositifs de demarrage de moteurs a combustion interne Download PDF

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Publication number
EP0280680B1
EP0280680B1 EP19860905724 EP86905724A EP0280680B1 EP 0280680 B1 EP0280680 B1 EP 0280680B1 EP 19860905724 EP19860905724 EP 19860905724 EP 86905724 A EP86905724 A EP 86905724A EP 0280680 B1 EP0280680 B1 EP 0280680B1
Authority
EP
European Patent Office
Prior art keywords
armature
magnet
switching pin
guide sleeve
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.)
Expired - Lifetime
Application number
EP19860905724
Other languages
German (de)
English (en)
Other versions
EP0280680A1 (fr
Inventor
Karl-Heinz Bögner
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 EP0280680A1 publication Critical patent/EP0280680A1/fr
Application granted granted Critical
Publication of EP0280680B1 publication Critical patent/EP0280680B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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 the main claim (DE-A-2804815).
  • the switch pin With such a switch, the switch pin is held pressed by the armature return spring against the magnet armature, so that the magnet armature and the switch pin are only moved together and cannot carry out any relative movement to one another.
  • the disadvantage here is that the switching pin has to travel the same distance as the magnet armature until the contact bridge is in contact with the main current contacts and the magnet armature is in contact with the magnet core.
  • the long switching path of the switching pin with the contact bridge requires a relatively large switching space. Such a switch, in turn, can no longer be used due to the ever smaller installation space that is still available on the motor vehicle.
  • an electromagnetic switch in which the armature can move relative to the switching pin, so that the switching space can be shortened, which is supported on the armature and directly on the
  • the armature return spring acting as an armature cannot influence the return movement of the contact bridge away from the main current contacts and therefore cannot support the force of the return spring housed in the control room in order to ensure the safe release of the contact bridge from the main current contacts
  • the invention has for its object to provide an electromagnetic switch of the type mentioned with a shortened length, in which a safe release of the contact bridge from the main power contacts is made possible.
  • the switch specified in the main claim is possible through the measures listed in the subclaims. It is particularly advantageous to guide the switching pin through the guide sleeve, for example made of glass fiber-reinforced thermoplastic, both in the magnetic core and in the magnet armature, in order to avoid the undesirable shaking and shaking, which occurs particularly during rough operation in motor vehicles Vibration influences become ineffective and thus prevent damage to the magnet armature and core as well as to the switching pin.
  • the compression spring applied to the magnetic core can be made sufficiently strong to reliably detach the contact bridge from the main current contacts independently of the armature return spring.
  • An embodiment of the invention is shown in the drawing. It shows an electromagnetic switch 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.
  • a brass sleeve 3 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 winding support 4 On the brass sleeve 3, a winding support 4 is arranged, on which an excitation winding, which is formed from a pull-in winding 5 and a holding winding 6, is accommodated.
  • a spring 7 is inserted which holds the winding support 4 in the housing 1 in a tolerance-compensating and vibration-resistant manner.
  • 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 mounting 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 control 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 starting motor are.
  • a magnetic armature 15 is guided in the brass sleeve 3 so as to be shake-proof. At its end protruding from the brass sleeve 3 and thus from the housing 1, a driver 16 is fastened for an engagement lever, not shown, of a single-track transmission.
  • the magnet armature 15 has a longitudinal bore 17 in which an actuating bolt 18 made of magnetizable material is fastened.
  • the actuating bolt 18 projects into an enlarged section 19 of the longitudinal bore 17, to which an end section 20 which widens in a funnel shape is connected.
  • a compression spring which serves as an armature return spring 21, is seated in the bore section 19. Their end turns are widened, whereby the spring end is fixed in the armature 15.
  • the end windings of the armature return spring 21 or the armature return spring 21 as a whole can also have a smaller diameter, so that the spring end can be fastened on the actuating bolt 18.
  • a switching pin 22 made of non-magnetic material protrudes through a bore 23 of the magnetic core 2. It has a collar 24 at the end section which faces the actuating pin 18. On the collar 24 and an adjoining central section of the switching pin 22 there is one Guide sleeve 25 made of damping and insulating material, for example made of a glass fiber reinforced thermoplastic. The guide sleeve 25 serves as a guide and mounting of the switching pin 22. In the region of the collar 24, the switching pin 22 is guided by means of an enlarged end section 26 of the guide sleeve 25 in section 19 of the bore 17 and thus in the magnet armature 15.
  • the switching pin 22 which is still surrounded by the guide sleeve 25 there, is supported and guided in the bore 23 of the magnetic core 2.
  • the guide sleeve 25 made of material that dampens shaking prevents the switching pin 22 from striking in the bore section 19 of the magnet armature 15, which can lead to damage to the magnet armature 15, especially since the switching pin 22 made of non-magnetizable material is harder than the magnet armature 15.
  • Switching pin 22 projects into the switching space 8 with one end section.
  • a contact pressure spring 27, a contact bridge support 28 made of insulating material, which carries a contact bridge 29, a washer 30 and a stop ring 32 seated in an annular groove 31 are arranged on the end section.
  • the contact bridge carrier 28 In the rest position of the switch, the contact bridge carrier 28 is seated in an expanded end section 33 of the bore 23 of the magnetic core 2.
  • the armature return spring 21 abuts one end against the end face 34 of the switching pin 22.
  • a compression spring 36 surrounds the guide sleeve 25 in such a way that it is supported at one end in an annular recess 37 on the end face of the magnetic core 2 facing the magnet armature 15 and with its other end rests on a collar 38 which is located at the transition of the guide sleeve 25 in the latter enlarged end portion 26 is formed.
  • the compression spring 36 is supported via the guide sleeve 25 on the collar 24 of the switching pin 25.
  • the compression spring 36 is provided with a greater compressive force than the armature return spring 21.
  • the spring arrangement 21, 36 holds the assembly of switching pins 22, 24, 34 together with the guide sleeve 25, 26, 35, 38, contact pressure spring 27, contact bridge support 28 with contact bridge 29 and the magnet armature 15 with actuating pin 18 in the in due to the bias of the armature return spring 21 Drawing shown rest position.
  • the magnet armature 15 When the winding 5, 6 is energized, the magnet armature 15 is pulled against the force of the armature return spring 21, which is further tensioned, against the force of the armature return spring 21, which is engaged, against the force of the armature return spring 21, which is further tensioned, against the force of the armature return spring 21, which is further tensioned, to the magnetic core 2 .
  • the magnet armature 15 together with the actuating pin 18 is moved towards the magnetic core 2 and the switching pin 22. If the actuating pin 18 rests on the end face of the switching pin 22, the switching pin 22 is pushed further into the switching space 8 during the further retraction movement of the magnet armature 15, the compression spring 36 also being tensioned.
  • the contact bridge 29 is pressed against the main current contacts 13 and 14 and with the support of the contact pressure spring 27 held on the main current contacts 13 and 14.
  • 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 compression spring 36 which is provided with much greater spring force than the armature return spring 21, then immediately separates the contact bridge 29 from the main current contacts 13 and 14.
  • the switching pin 22 together with the guide sleeve 25, contact bridge support 28 and contact bridge 29 is thereby shown in the drawing by the strong compression spring 36 Moves back to the rest position and releases the magnet armature 15 from the magnet core 2. Then the armature return spring 21 moves the magnet armature 15 further back into its starting position.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Electromagnets (AREA)
  • Push-Button Switches (AREA)

Abstract

Interrupteur électromagnétique, en particulier pour les dispositifs de démarrage de moteurs à combustion interne, dont l'axe (22) qui porte le pont de contact (29) pour les contacts (13 et 14) de courant principal est équipé d'un manchon de guidage (25), qui porte et guide l'axe (22) dans l'armature (15) et le noyau (2) de l'aimant. L'axe (22) s'appuie sur les ressorts (21 et 36), et ainsi sur l'armature (15) et le noyau (2) de l'aimant par l'intermédiaire du manchon de guidage (25) sur lequel s'appuient d'un côté un ressort de rappel (21) appliqué contre l'armature (15) de l'aimant et de l'autre côté un ressort de pression (36) plus fort appliqué contre le noyau (2) de l'aimant. L'armature (15) de l'aimant et l'axe (22), avec le manchon de guidage (25), peuvent se déplacer les uns par rapport aux autres. En conséquence la distance entre le pont de contact (29) et les contacts (13 et 14) de courant principal peut être maintenue plus faible que la course de l'armature (15) de l'aimant vers le noyau (2) de celui-ci. Le ressort de pression ( 36), après fermeture de l'interrupteur, sépare de manière fiable le pont de contact (29) des contacts de courant principal, amène l'axe (22) à sa position de repos et écarte l'armature (15) du noyau (2) de l'aimant, après quoi le ressort de rappel (21) de l'armature ramène l'armature (15) de l'aimant à sa position de départ.

Claims (3)

1. Interrupteur électromagnétique notamment pour démarreur de moteur à combustion interne, comportant un boîtier (1) recevant un support d'enroulement (4) avec un enroulement d'excitation (5, 6) et une douille de guidage (3), cette dernière recevant une culasse (15) munie d'un goujon d'actionnement (18) et d'un ressort de rappel de culasse (21) et un noyau d'aimant (2) prévu contre la face du boîtier (1), noyau dans lequel un goujon de commutation (22) muni d'un collet (24) est guidé en coulissement, et sur lequel est prévu un ressort de compression de contact (27) s'appuyant contre un support de pont de contact (28) ainsi qu'un support de pont de contact (28) avec un pont de contact (29) monté mobile, le goujon de commutation (22) et le support de pont de contact (28) ainsi que le pont de contact (29) pénétrant une chambre de commutation (8) couverte par un chapeau (9) et deux contacts principaux (13, 14) venant en saillie dans la chambre de commutation (8), interrupteur caractérisé en ce que le goujon de commutation (22) porte une douille de guidage (25) mobile dans la culasse (15) et le noyau (2) de l'aimant, et le ressort de rappel (21) de l'induit s'appuie contre une face frontale (34) du goujon de commutation (22) et le ressort de compression de contact (27) s'appuie contre la face frontale (35) de la douille de guidage (25), la douille de guidage (25) ayant une butée (38) qui est poussée par un ressort de compression (36) contre le collet (24) du goujon de commutation (22) s'appuyant sur le noyau (2).
2. Interrupteur selon la revendication 1, caractérisé en ce que la douille de guidage (25) est en un matériau d'amortissement, à faible usure.
3. Interrupteur selon la revendication 1, caractérisé en ce que le ressort de compression (36) possède une force de ressort plus grande que celle du ressort de rappel d'induit (21).
EP19860905724 1985-10-23 1986-09-23 Interrupteur electromagnetique, en particulier pour les dispositifs de demarrage de moteurs a combustion interne Expired - Lifetime EP0280680B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853537598 DE3537598A1 (de) 1985-10-23 1985-10-23 Elektromagnetischer schalter, insbesondere fuer andrehvorrichtungen von brennkraftmaschinen
DE3537598 1985-10-23

Publications (2)

Publication Number Publication Date
EP0280680A1 EP0280680A1 (fr) 1988-09-07
EP0280680B1 true EP0280680B1 (fr) 1991-04-24

Family

ID=6284196

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860905724 Expired - Lifetime EP0280680B1 (fr) 1985-10-23 1986-09-23 Interrupteur electromagnetique, en particulier pour les dispositifs de demarrage de moteurs a combustion interne

Country Status (7)

Country Link
US (1) US4755781A (fr)
EP (1) EP0280680B1 (fr)
JP (1) JPH07101587B2 (fr)
AU (1) AU584467B2 (fr)
BR (1) BR8607200A (fr)
DE (2) DE3537598A1 (fr)
WO (1) WO1987002824A1 (fr)

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JPH0643500Y2 (ja) * 1987-06-15 1994-11-14 三菱電機株式会社 スタ−タモ−タのソレノイドスイッチ
JPH025758A (ja) * 1988-06-22 1990-01-10 Mitsubishi Electric Corp 始動電動機
JPH02110151U (fr) * 1989-02-20 1990-09-04
US5021760A (en) * 1989-10-03 1991-06-04 Clum Manufacturing Company, Inc. Solenoid switch contact and mounting assembly
IT1241000B (it) * 1990-10-31 1993-12-27 Magneti Marelli Spa Dispositivo elettromagnetico di controllo dell'alimentazione di corrente al motore elettrico di avviamento di un motore a combustione interna per autoveicoli.
GB9104047D0 (en) * 1991-02-27 1991-04-17 Lucas Ind Plc Solenoid
EP0587611B1 (fr) * 1991-03-28 1997-05-21 Kilovac Corporation Dispositif de relais a courant continu
DE4209967A1 (de) * 1992-03-27 1993-09-30 Bosch Gmbh Robert Einrückrelais für Andrehvorrichtung von Brennkraftmaschinen
US5892194A (en) * 1996-03-26 1999-04-06 Matsushita Electric Works, Ltd. Sealed contact device with contact gap adjustment capability
US5999073A (en) * 1996-04-10 1999-12-07 Wpi Magnetic, Inc. Tri-core, low reluctance tubular solenoid
FR2783089B1 (fr) * 1998-09-03 2000-10-13 Valeo Equip Electr Moteur Contacteur de demarreur comportant un noyau magnetique fixe en plusieurs parties
FR2795859B1 (fr) * 1999-06-30 2001-08-31 Valeo Equip Electr Moteur Contacteur pour un demarreur de vehicule automobile et demarreur comportant un tel contacteur
FR2854665B1 (fr) * 2003-03-28 2007-02-23 Valeo Equip Electr Moteur Contacteur electromagnetique de commande d'un demarreur electrique
US7053327B2 (en) * 2004-10-26 2006-05-30 Eaton Corporation Apparatus and method for use in circuit interrupters
KR100845539B1 (ko) * 2005-03-28 2008-07-10 마츠시다 덴코 가부시키가이샤 접점 장치
JP4525610B2 (ja) * 2006-02-23 2010-08-18 株式会社デンソー 電磁スイッチ
JP5163317B2 (ja) * 2008-06-30 2013-03-13 オムロン株式会社 接点装置
JP5206157B2 (ja) * 2008-06-30 2013-06-12 オムロン株式会社 電磁継電器
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
JP5573250B2 (ja) * 2010-03-09 2014-08-20 オムロン株式会社 封止接点装置
US9035735B2 (en) 2010-03-15 2015-05-19 Omron Corporation Coil terminal
US8305168B2 (en) * 2010-03-18 2012-11-06 Iskra Avtoelektrika D.D. Forced return solenoid
US8570124B2 (en) * 2011-06-03 2013-10-29 Unipoint Electric Mfg. Co., Ltd. Starting switch structure
CN102881515B (zh) * 2012-10-22 2015-02-04 苏州依斯克拉汽车电器有限公司 一种反冲击强制断电电磁开关
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
DE102013114830A1 (de) * 2013-12-23 2015-06-25 Eto Magnetic Gmbh Elektromagnetische Stellvorrichtung
KR101943364B1 (ko) * 2015-04-23 2019-04-17 엘에스산전 주식회사 전자개폐기
DE102015121033A1 (de) * 2015-07-23 2017-01-26 Epcos Ag Magnetanker, Schütz mit Magnetanker und Verfahren zum Schalten eines Schützes
EP3184804A1 (fr) * 2015-12-22 2017-06-28 Mahle International GmbH Entraînement de solénoïde destiné à un démarreur pour un moteur à combustion interne
US10890154B2 (en) * 2016-04-26 2021-01-12 Mitsubishi Electric Corporation Electromagnetic switch device for starter
CN118248498A (zh) * 2018-02-07 2024-06-25 Tdk电子股份有限公司 用于切换电负载的切换装置
DE102018110919A1 (de) 2018-05-07 2019-11-07 Tdk Electronics Ag Schaltvorrichtung

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US4521758A (en) * 1983-08-29 1985-06-04 Clum Mfg. Co. Inc. Electric solenoid structure
FR2567586B1 (fr) * 1984-07-10 1986-12-19 Paris & Du Rhone Commande d'engrenement du pignon du lanceur pour demarreur de moteur a combustion interne.
JPH0643979Y2 (ja) * 1985-07-19 1994-11-14 三菱電機株式会社 電磁スイッチ
DE3632469A1 (de) * 1986-09-24 1988-03-31 Bosch Gmbh Robert Elektromagnetischer schalter, insbesondere fuer andrehvorrichtungen von brennkraftmaschinen

Also Published As

Publication number Publication date
WO1987002824A1 (fr) 1987-05-07
DE3537598A1 (de) 1987-05-27
US4755781A (en) 1988-07-05
JPH07101587B2 (ja) 1995-11-01
AU584467B2 (en) 1989-05-25
AU6405686A (en) 1987-05-19
BR8607200A (pt) 1988-09-13
DE3678966D1 (de) 1991-05-29
JPS63501832A (ja) 1988-07-21
EP0280680A1 (fr) 1988-09-07

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