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EP0953200B1 - Solenoid switch for starters - Google Patents

Solenoid switch for starters Download PDF

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Publication number
EP0953200B1
EP0953200B1 EP98958193A EP98958193A EP0953200B1 EP 0953200 B1 EP0953200 B1 EP 0953200B1 EP 98958193 A EP98958193 A EP 98958193A EP 98958193 A EP98958193 A EP 98958193A EP 0953200 B1 EP0953200 B1 EP 0953200B1
Authority
EP
European Patent Office
Prior art keywords
winding
resistor
engagement relay
starter motor
pull
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
EP98958193A
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German (de)
French (fr)
Other versions
EP0953200A1 (en
Inventor
Karlheinz Boegner
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
Priority claimed from DE19814504A external-priority patent/DE19814504A1/en
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0953200A1 publication Critical patent/EP0953200A1/en
Application granted granted Critical
Publication of EP0953200B1 publication Critical patent/EP0953200B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/067Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement the starter comprising an electro-magnetically actuated lever
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00Starting of engines by means of electric motors
    • F02N11/08Circuits or control means specially adapted for starting of engines
    • F02N11/087Details of the switching means in starting circuits, e.g. relays or electronic switches
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00Electromagnetic relays
    • H01H51/02Non-polarised relays
    • H01H51/04Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/06Armature 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
    • H01H51/065Relays 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00Starting of engines by means of electric motors
    • F02N11/08Circuits or control means specially adapted for starting of engines
    • F02N11/0851Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2300/00Control related aspects of engine starting
    • F02N2300/10Control related aspects of engine starting characterised by the control output, i.e. means or parameters used as a control output or target
    • F02N2300/102Control of the starter motor speed; Control of the engine speed during cranking
    • 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 invention relates to an engagement relay for starters of an internal combustion engine according to the preamble of the main claim.
  • the previously used windings or circuits of such starters which are designed to avoid an inductive holding force after opening the ignition switch by flowing over the relay switching contact to the pull-in and holding winding return current on Windungs Anlagenheit between draw-in and holding winding, led to an increased pull-in speed the engagement relay for the meshing of the starter pinion in the ring gear of the internal combustion engine, so that the advantage of the two-stage is partially lost again.
  • Such an engagement relay is e.g. from DE 42 42 930 A known.
  • the engagement relay according to the invention with the characterizing features of the main claim has the advantage that the winding that is needed to retract the relay is designed as a single winding, ie without holding winding in order to achieve the highest possible inductance.
  • Verwindstroms is preferably arranged outside the pull-in winding a specially designed resistor. In order not to generate a holding circuit, this resistor is electrically isolated via a changeover switch of the contactor of the terminal of the starter switch. It is only in the retraction phase in operation and is switched off during the boot process, so it is not thermally damaged.
  • the resistance wire is meandered wound, then bent into a ring so that the beginning and end are juxtaposed, and finally pushed onto the pull-in winding.
  • FIG. 1 a longitudinal section through a starter relay
  • Figure 2 is a front view of the relay of Figure 1 in the direction of arrow P1
  • Figure 3 is a front view with the switch cover removed
  • Figure 4 is a detail of Figure 1 (pull-in winding with resistor).
  • 5 shows a circuit diagram of the relay
  • Figure 6 again a detail of Figure 1 (switching axis with contact plate)
  • Figure 7 is a front view of Figure 6 in the direction of arrow P2
  • Figure 8 the meandering wound resistance.
  • Figures 6 and 7 are shown on an enlarged scale.
  • FIG. 1 denoted by 10 is the substantially cylindrical relay housing of the engagement relay.
  • a pull-in winding 11 On its inside a pull-in winding 11 is arranged, which sits on a winding support 12.
  • a cylindrical armature 13 In the winding support a cylindrical armature 13 is guided in a guide sleeve 15.
  • the relay housing 10 is closed on one side by a magnetic core 14, as it is also shown in Figure 6 on an enlarged scale.
  • the armature 13 is located on the opposite side of the magnetic core and can be moved by appropriate control of the pull-in winding 11 axially against the force of an armature return spring 19.
  • a switch cover 16 connects, which is held by a crimp ring 17 of the relay housing 10. Between these two parts is still a plate spring 18th
  • an insulating sleeve 21 is axially slidably disposed, in which a so-called switching axis 22 is added, the is guided by the magnetic core 14 and extends into the switch room 38 of the switch cover 16.
  • the bore 20 in the magnetic core 14 has an extended bore step 23, in which an insulating bushing 24 is arranged, through which the switching axis penetrates.
  • a contact plate 25 is fixed, which is supported against a shoulder of the insulating bush 24. It is held by an insulating washer 26 and mounting washer 27 at the end of the switching axis 22.
  • the one end of a compression spring 28 sets, the other end is supported on the insulating sleeve 21.
  • the contact plate 25 cooperates with two separate contacts 29, 31 - see Figures 3, 6 and 7 - which are attached to the outside of the magnetic core 14 on an insulating plate 32, wherein the insulating plate 32 is disposed on the magnetic core 14. These parts are fastened by screws 33, 34. Between the heads of the screws 33, 34 is in each case an insulating bushing 35 with spring washer 36. Outside on the switching axis 22 extends between the magnetic core 14 and a shoulder of the insulating sleeve 21, a shut-off 37th
  • a resistance wire wound resistor 39 On the outside of the pull-in winding 11 is a resistance wire wound resistor 39, as shown in FIG. It is meander-shaped, provided with insulation and wrapped around the pull-in winding 11 so that the beginning and end are close together.
  • the resistance ends are denoted by 42, 43
  • the winding ends of the pull-in winding 11 are denoted by 46, 47.
  • FIG. 3 where the end of the resistor 39 can be seen at 43 and the beginning of the resistor 39 at 42.
  • the end of the pull-in winding 11 is designated 47 and grounded, in which it is welded to the magnetic core 14 according to FIG.
  • the beginning of the pull-in winding is designated 46.
  • terminal screws 44, 45 which are fastened with nuts not further described and whose internal contacts 44A, 45A cooperate with the contact plate 25.
  • the terminal screw 45 is in contact with a bus bar 41 to which the end 43 of the resistor 39 is soldered.
  • the terminal screw 45 is shown symbolically, also the terminal 50 with a connecting rail 40 for soldering the winding circumference 46 and the contact 29 by means of a conductor 48 according to Figure 6 and 7 for a starter - see also Figure 2.
  • the positive terminal 30 for the battery connection is again shown symbolically - see also Figure 2 -, furthermore, the pull-in winding 11 can be seen.
  • the changeover contact between terminal 50 and resistor 39 is designated 54. It is realized in Figure 1 by the contact plate 25.
  • the pull-in winding 11, which is required for pulling in the magnet armature 13, is designed as a single winding in order to achieve the highest possible inductance.
  • the resistor 39 is provided. In order not to produce a holding circuit for the armature 13, this resistor must be electrically isolated from the terminal 50. This is done with the aid of the changeover contact 54.
  • the resistor 39 may only be in operation during the retraction phase and must be in operation during the retraction phase Start-up be shut down so that it is not thermally damaged. This is achieved by means of the isolated contact pair 29, 31 (FIG. 7). In rest position, the contact plate 25 rests on these contacts and thus forms an "opener".
  • this opener opens and turns off the resistor 39 before the contact plate 25 meets the contacts 44A, 45A and fully turns on the starter motor.
  • switching off the opener is closed again only when the main current is interrupted at the contacts 44A and 45A.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention relates to a solenoid switch for starters of internal combustion engines with which, first of all, a starter pinion is moved inside the track in the ring gear of the internal combustion engine and the motor is turned on afterwards. According to the invention, the switch of the solenoid is configured as a changeover contact (54) for a gentle turning of the starter pinion into the ring gear by means of the starter motor. The changeover contact switches the starter motor in the neutral position via a resistor (39) and directly switches to the electric supply (plus 30) in an operation position, whereby the resistor (3) is then deactivated.

Description

Stand der TechnikState of the art

Die Erfindung geht aus von einem Einrückrelais für Starter einer Brennkraftmaschine nach der Gattung des Hauptanspruchs. Die bisher verwendeten Wicklungen bzw. Schaltungen solcher Starter, die zur Vermeidung einer induktiven Haltekraft nach dem Öffnen des Zündschalters durch den über den Relais-Schaltkontakt zur Einzugs- und Haltewicklung fließenden Rückstrom auf Windungsgleichheit zwischen Einzugs- und Haltewicklung ausgelegt sind, führten zu einer erhöhten Einziehgeschwindigkeit des Einrückrelais für das Einspuren des Starterritzels in den Zahnkranz der Brennkraftmaschine, so daß der Vorteil der Zweistufigkeit teilweise wieder verloren geht. Ein derartiges Einrückrelais ist z.B. aus DE 42 42 930 A bekannt.The invention relates to an engagement relay for starters of an internal combustion engine according to the preamble of the main claim. The previously used windings or circuits of such starters, which are designed to avoid an inductive holding force after opening the ignition switch by flowing over the relay switching contact to the pull-in and holding winding return current on Windungsgleichheit between draw-in and holding winding, led to an increased pull-in speed the engagement relay for the meshing of the starter pinion in the ring gear of the internal combustion engine, so that the advantage of the two-stage is partially lost again. Such an engagement relay is e.g. from DE 42 42 930 A known.

Vorteile der ErfindungAdvantages of the invention

Das erfindungsgemäße Einrückrelais mit den kennzeichnenden Merkmalen des Hauptanspruchs hat demgegenüber den Vorteil, daß die Wicklung, die zum Einziehen des Relais benötigt wird, als Einfachwicklung, d.h. ohne Haltewicklung ausgelegt ist, um eine möglichst hohe Induktivität zu erreichen. Zur Begrenzung des in der ersten Stufe zum sanften Einspuren des Starterritzels in den Zahnkranz der Brennkraftmaschine benötigten Starter-Motor-Verdrehstroms wird vorzugsweise außen um die Einzugswicklung ein besonders ausgebildeter Widerstand angeordnet. Um keine Halteschaltung zu erzeugen, wird dieser Widerstand über einen Umschalter des Einrückrelais der Klemme des Starterschalters galvanisch getrennt. Er ist nur in der Einziehphase in Betrieb und wird während des Startvorgangs abgeschaltet, damit er nicht thermisch geschädigt wird.The engagement relay according to the invention with the characterizing features of the main claim has the advantage that the winding that is needed to retract the relay is designed as a single winding, ie without holding winding in order to achieve the highest possible inductance. To limit the in the first stage for gently meshing the starter pinion in the ring gear of the internal combustion engine required starter motor Verdrehstroms is preferably arranged outside the pull-in winding a specially designed resistor. In order not to generate a holding circuit, this resistor is electrically isolated via a changeover switch of the contactor of the terminal of the starter switch. It is only in the retraction phase in operation and is switched off during the boot process, so it is not thermally damaged.

Dies wird in vorteilhafter Weise erreicht, indem ein Kontaktpaar isoliert unter der Kontaktplatte des Relais angeordnet ist. In Ruhelage liegt die Kontaktplatte auf diesem Kontaktpaar auf und bildet somit einen "Öffner". Nachdem der Relaisanker die Schaltachse berührt, und nachdem das Ritzel des Starters den Zahnkranz an der Brennkraftmaschine erreicht hat, öffnet dieser Öffner und schaltet den Widerstand ab, bevor die Kontaktplatte auf die Hauptstromkontakte trifft. Beim Abschalten wird der Öffner erst dann wieder geschlossen, wenn der Hauptstrom unterbrochen ist.This is achieved in an advantageous manner by a pair of contacts isolated under the contact plate of the relay is arranged. In rest position, the contact plate rests on this pair of contacts and thus forms an "opener". After the relay armature touches the indexing axis, and after the pinion of the starter has reached the ring gear on the internal combustion engine, this opener opens and turns off the resistor before the contact plate hits the main power contacts. When switching off, the normally closed contact is closed again only when the main current is interrupted.

Durch die getrennte Ansteuerung ist es möglich, sowohl den Widerstand als auch die Einzugswicklung unabhängig voneinander den Erfordernissen anzupassen. Der Widerstandsdraht wird mäanderförmig gewickelt, dann zu einem Ring gebogen, so daß Anfang und Ende nebeneinanderliegen, und schließlich auf die Einzugswicklung aufgeschoben.Due to the separate control, it is possible to adapt both the resistance and the pull-in winding independently of one another to the requirements. The resistance wire is meandered wound, then bent into a ring so that the beginning and end are juxtaposed, and finally pushed onto the pull-in winding.

Weitere Vorteile der Erfindung ergeben sich aus den Unteransprüchen, der nachfolgenden Beschreibung und Zeichnung.Further advantages of the invention will become apparent from the dependent claims, the following description and drawings.

Zeichnungdrawing

Die Zeichnung zeigt in Figur 1 einen Längsschnitt durch ein Einrückrelais für Starter, in Figur 2 eine Frontansicht des Relais nach Figur 1 in Pfeilrichtung P1, in Figur 3 eine Frontansicht bei abgenommenem Schalterdeckel, in Figur 4 eine Einzelheit nach Figur 1 (Einzugswicklung mit Widerstand), in Figur 5 ein Schaltschema des Relais, in Figur 6 wiederum eine Einzelheit nach Figur 1 (Schaltachse mit Kontaktplatte), in Figur 7 eine Frontansicht nach Figur 6 in Pfeilrichtung P2 und in Figur 8 den mäanderförmig gewickelten Widerstand. Die Figuren 6 und 7 sind in vergrößertem Maßstab dargestellt.The drawing shows in Figure 1 a longitudinal section through a starter relay, in Figure 2 is a front view of the relay of Figure 1 in the direction of arrow P1, in Figure 3 is a front view with the switch cover removed, in Figure 4 is a detail of Figure 1 (pull-in winding with resistor). 5 shows a circuit diagram of the relay, in Figure 6 again a detail of Figure 1 (switching axis with contact plate), in Figure 7 is a front view of Figure 6 in the direction of arrow P2 and in Figure 8 the meandering wound resistance. Figures 6 and 7 are shown on an enlarged scale.

Beschreibung des AusführungsbeispielsDescription of the embodiment

In Figur 1 ist mit 10 das im wesentlichen zylindrische Relaisgehäuse des Einrückrelais bezeichnet. An seiner Innenseite ist eine Einzugswicklung 11 angeordnet, die auf einem Wicklungsträger 12 sitzt. Im Wicklungsträger ist in einer Führungshülse 15 ein zylindrischer Magnetanker 13 geführt. Das Relaisgehäuse 10 ist auf der einen Seite durch einen Magnetkern 14 verschlossen, wie er auch in Figur 6 in vergrößertem Maßstab dargestellt ist. Der Magnetanker 13 liegt auf der gegenüberliegenden Seite des Magnetkerns und kann durch entsprechende Ansteuerung der Einzugswicklung 11 axial gegen die Kraft einer Ankerrückstellfeder 19 bewegt werden.In FIG. 1, denoted by 10 is the substantially cylindrical relay housing of the engagement relay. On its inside a pull-in winding 11 is arranged, which sits on a winding support 12. In the winding support a cylindrical armature 13 is guided in a guide sleeve 15. The relay housing 10 is closed on one side by a magnetic core 14, as it is also shown in Figure 6 on an enlarged scale. The armature 13 is located on the opposite side of the magnetic core and can be moved by appropriate control of the pull-in winding 11 axially against the force of an armature return spring 19.

An den Magnetkern 14 schließt sich ein Schalterdeckel 16 an, der durch einen Bördelring 17 des Relaisgehäuses 10 festgehalten wird. Zwischen diesen beiden Teilen liegt noch eine Tellerfeder 18.To the magnetic core 14, a switch cover 16 connects, which is held by a crimp ring 17 of the relay housing 10. Between these two parts is still a plate spring 18th

In einer durchgehenden Bohrung 20 des Magnetkerns 14 ist axial verschiebbar eine Isolierhülse 21 angeordnet, in welche eine sogenannte Schaltachse 22 aufgenommen ist, die durch den Magnetkern 14 geführt ist und bis in den Schalterraum 38 des Schalterdeckels 16 hineinreicht. Die Bohrung 20 im Magnetkern 14 weist eine erweiterte Bohrungsstufe 23 auf, in welcher eine Isolierbuchse 24 angeordnet ist, durch welche die Schaltachse hindurchdringt. Am außenliegenden Ende der Isolierbuchse 24 ist eine Kontaktplatte 25 befestigt, die sich gegen eine Schulter der Isolierbuchse 24 abstützt. Sie ist durch eine Isolierscheibe 26 und Befestigungsscheibe 27 am Ende der Schaltachse 22 festgehalten. An das der Kontaktplatte 25 gegenüberliegende Ende der Isolierhülse 21 legt sich das eine Ende einer Druckfeder 28 an, deren anderes Ende sich an der Isolierhülse 21 abstützt.In a through hole 20 of the magnetic core 14, an insulating sleeve 21 is axially slidably disposed, in which a so-called switching axis 22 is added, the is guided by the magnetic core 14 and extends into the switch room 38 of the switch cover 16. The bore 20 in the magnetic core 14 has an extended bore step 23, in which an insulating bushing 24 is arranged, through which the switching axis penetrates. At the outer end of the insulating bush 24, a contact plate 25 is fixed, which is supported against a shoulder of the insulating bush 24. It is held by an insulating washer 26 and mounting washer 27 at the end of the switching axis 22. At the contact plate 25 opposite end of the insulating sleeve 21, the one end of a compression spring 28 sets, the other end is supported on the insulating sleeve 21.

Die Kontaktplatte 25 wirkt zusammen mit zwei getrennten Kontakten 29, 31 - siehe hierzu Figuren 3, 6 und 7 - die an der Außenseite des Magnetkerns 14 auf einer Isolierplatte 32 befestigt sind, wobei die Isolierplatte 32 auf dem Magnetkern 14 angeordnet ist. Diese Teile sind durch Schrauben 33, 34 befestigt. Zwischen den Köpfen der Schrauben 33, 34 liegt jeweils eine Isolierbuchse 35 mit Federscheibe 36. Außen auf der Schaltachse 22 erstreckt sich zwischen dem Magnetkern 14 und einer Schulter der Isolierhülse 21 eine Abschaltfeder 37.The contact plate 25 cooperates with two separate contacts 29, 31 - see Figures 3, 6 and 7 - which are attached to the outside of the magnetic core 14 on an insulating plate 32, wherein the insulating plate 32 is disposed on the magnetic core 14. These parts are fastened by screws 33, 34. Between the heads of the screws 33, 34 is in each case an insulating bushing 35 with spring washer 36. Outside on the switching axis 22 extends between the magnetic core 14 and a shoulder of the insulating sleeve 21, a shut-off 37th

Außen auf der Einzugswicklung 11 befindet sich ein aus Widerstandsdraht gewickelter Widerstand 39, wie er in Figur 8 dargestellt ist. Er ist mäanderförmig ausgebildet, mit einer Isolierung versehen und um die Einzugswicklung 11 so herumlegt, daß Anfang und Ende dicht nebeneinander liegen. Die Widerstandsenden sind mit 42, 43 bezeichnet, die Wicklungsenden der Einzugswicklung 11 sind mit 46, 47 bezeichnet. Es sei nun auf die Figur 3 verwiesen, wo mit 43 das Ende des Widerstands 39 und mit 42 der Anfang des Widerstands 39 erkennbar ist. Das Ende der Einzugswicklung 11 ist mit 47 bezeichnet und auf Masse gelegt, in dem es am Magnetkern 14 gemäß Figur 3 festgeschweißt ist. Der Anfang der Einzugswicklung ist mit 46 bezeichnet.On the outside of the pull-in winding 11 is a resistance wire wound resistor 39, as shown in FIG. It is meander-shaped, provided with insulation and wrapped around the pull-in winding 11 so that the beginning and end are close together. The resistance ends are denoted by 42, 43, the winding ends of the pull-in winding 11 are denoted by 46, 47. Reference is now made to FIG. 3, where the end of the resistor 39 can be seen at 43 and the beginning of the resistor 39 at 42. The end of the pull-in winding 11 is designated 47 and grounded, in which it is welded to the magnetic core 14 according to FIG. The beginning of the pull-in winding is designated 46.

Es wird nun nochmals auf Figur 1 verwiesen. Dort befinden sich im Schalterdeckel 16 zwei Anschlußschrauben 44, 45, die mit nicht weiter bezeichneten Muttern befestigt sind und deren innenliegende Kontakte 44A, 45A mit der Kontaktplatte 25 zusammenwirken. Die Anschlußschraube 45 ist mit einer Stromschiene 41 in Kontakt, an der das Ende 43 des Widerstands 39 angelötet ist.Reference is again made to FIG. There are located in the switch cover 16, two terminal screws 44, 45, which are fastened with nuts not further described and whose internal contacts 44A, 45A cooperate with the contact plate 25. The terminal screw 45 is in contact with a bus bar 41 to which the end 43 of the resistor 39 is soldered.

Es wird nun Bezug genommen auf das Schaltbild nach Figur 5. Dort ist der Widerstand 39 zu erkennen. Die Anschlußschraube 45 ist symbolisch dargestellt, ebenfalls der Anschluß 50 mit einer Verbindungsschiene 40 für das Anlöten des Wicklungsumfanges 46 und des Kontaktes 29 mittels eines Leiters 48 gemäß Figur 6 und 7 für einen Starterschalter - siehe hierzu auch Figur 2. Die Plusklemme 30 für den Batterieanschluß ist wiederum symbolisch dargestellt - siehe ebenfalls Figur 2 - , weiterhin ist die Einzugswicklung 11 zu erkennen. Der Umschaltkontakt zwischen Anschlußklemme 50 dem Widerstand 39 ist mit 54 bezeichnet. Er ist in Figur 1 durch die Kontaktplatte 25 realisiert.Reference is now made to the diagram of Figure 5. There, the resistor 39 can be seen. The terminal screw 45 is shown symbolically, also the terminal 50 with a connecting rail 40 for soldering the winding circumference 46 and the contact 29 by means of a conductor 48 according to Figure 6 and 7 for a starter - see also Figure 2. The positive terminal 30 for the battery connection is again shown symbolically - see also Figure 2 -, furthermore, the pull-in winding 11 can be seen. The changeover contact between terminal 50 and resistor 39 is designated 54. It is realized in Figure 1 by the contact plate 25.

Die Einzugswicklung 11, die zum Einziehen des Magnetankers 13 benötigt wird, ist als Einfachwicklung ausgelegt, um eine möglichst hohe Induktivität zu erreichen. Zur Erzeugung des in der ersten Stufe benötigten begrenzten Startermotor-Verdrehstroms ist der Widerstand 39 vorgesehen. Um keine Halteschaltung für den Magnetanker 13 zu erzeugen, muß dieser Widerstand von der Anschlußklemme 50 galvanisch getrennt werden. Dies geschieht mit Hilfe des Umschaltkontakts 54. Der Widerstand 39 darf nur in der Einziehphase in Betrieb sein und muß während des Startvorgangs abgeschaltet werden, damit er nicht thermisch geschädigt wird. Dies wird erreicht mit Hilfe des isoliert angeordneten Kontaktpaares 29, 31 (Figur 7). In Ruhelage liegt die Kontaktplatte 25 auf diesen Kontakten auf und bildet somit einen "Öffner". Nachdem der Magnetanker 13 die Schaltachse 22 berührt, also nachdem das Ritzel des Anlassers den Zahnkranz an der Brennkraftmaschine erreicht hat, öffnet dieser Öffner und schaltet den Widerstand 39 ab, bevor die Kontaktplatte 25 auf die Kontakte 44A, 45A trifft und den Startermotor voll einschaltet. Beim Abschalten wird der Öffner erst dann wieder geschlossen, wenn der Hauptstrom an den Kontakten 44A und 45A unterbrochen ist.The pull-in winding 11, which is required for pulling in the magnet armature 13, is designed as a single winding in order to achieve the highest possible inductance. To generate the limited starter motor torsional current required in the first stage, the resistor 39 is provided. In order not to produce a holding circuit for the armature 13, this resistor must be electrically isolated from the terminal 50. This is done with the aid of the changeover contact 54. The resistor 39 may only be in operation during the retraction phase and must be in operation during the retraction phase Start-up be shut down so that it is not thermally damaged. This is achieved by means of the isolated contact pair 29, 31 (FIG. 7). In rest position, the contact plate 25 rests on these contacts and thus forms an "opener". After the magnet armature 13 touches the switching axis 22, that is, after the pinion of the starter has reached the ring gear on the internal combustion engine, this opener opens and turns off the resistor 39 before the contact plate 25 meets the contacts 44A, 45A and fully turns on the starter motor. When switching off the opener is closed again only when the main current is interrupted at the contacts 44A and 45A.

Durch diese getrennte Ansteuerung ist es möglich, sowohl den Widerstand 39 als auch die Einzugswicklung 11 unabhängig voneinander den Erfordernissen anzupassen. Beim mäanderförmig vorgewickelten und zu einem Ring gebogenen Widerstand 39 liegen Anfang und Ende der Wicklungen wie oben beschrieben, beieinander.By this separate control, it is possible to adapt both the resistor 39 and the pull-in winding 11 independently of one another to the requirements. When meandering pre-wound and bent into a ring resistor 39 are the beginning and end of the windings as described above, together.

Claims (5)

  1. Engagement relay for starters for internal combustion engines in which a starter pinion is first of all moved axially, by energizing a pull-in winding of the engagement relay, in order to engage in the toothed rim of the internal combustion engine and is then driven at full power by switching on the starter motor using a switch of the engagement relay, characterized in that the switch is in the form of a changeover contact (54) which, in the rest position, connects the starter motor to the electrical supply (+, 30) via a resistor (39) in order to soft-start said starter motor and, in the operating position, connects the starter motor to the electrical supply (+, 30) directly, with the resistor (39) then being switched off.
  2. Engagement relay according to Claim 1, characterized in that the pull-in winding (11) is fitted with the resistor (39) which lies on the outside of said winding and comprises a resistance wire that is wound in a meandering shape.
  3. Engagement relay according to either of Claims 1 and 2, characterized in that the resistor (39) in the form of a resistance wire that is wound in a meandering shape is bent to form a ring, and is pushed onto the pull-in winding (11), in such a manner that the beginning (49) and the end (48) of the resistance winding (39) are next to one another.
  4. Engagement relay according to one of Claims 1 to 3, having a cylindrical magnet armature (13) which interacts with the pull-in winding (11), operates a spring-loaded switching shaft (22) and interacts with a magnet core (14) that is approximately in the form of a disc and partially closes the housing, with a contact plate (25) being arranged on the switching shaft, characterized in that the contact plate interacts, on the one hand, in the operating position, with a contact pair (44A, 45A) in order to switch on the starter motor and, on the other hand, in the rest position, with two contacts (29, 31), one of which interacts with a starting switch via a terminal (50), and the other of which interacts with a terminal (45) for the starter motor, with said contacts being arranged on a switch cover (16) of the engagement relay.
  5. Engagement relay according to Claim 4, characterized in that the two contacts (29, 31) of the changeover contact (54) are arranged at a distance from one another under the axially movable contact plate (25) and are fastened on the magnet core (14) in an insulated manner.
EP98958193A 1997-11-18 1998-10-09 Solenoid switch for starters Expired - Lifetime EP0953200B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19750889 1997-11-08
DE19750889 1997-11-18
DE19814504A DE19814504A1 (en) 1997-11-18 1998-04-01 Engagement relay for starters
DE19814504 1998-04-01
PCT/DE1998/002986 WO1999026266A1 (en) 1997-11-18 1998-10-09 Solenoid switch for starters

Publications (2)

Publication Number Publication Date
EP0953200A1 EP0953200A1 (en) 1999-11-03
EP0953200B1 true EP0953200B1 (en) 2006-05-24

Family

ID=26041680

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98958193A Expired - Lifetime EP0953200B1 (en) 1997-11-18 1998-10-09 Solenoid switch for starters

Country Status (6)

Country Link
US (1) US6360707B1 (en)
EP (1) EP0953200B1 (en)
JP (1) JP3998730B2 (en)
CN (1) CN1139090C (en)
DE (1) DE59813555D1 (en)
WO (1) WO1999026266A1 (en)

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JP4038507B2 (en) * 2004-12-10 2008-01-30 三菱電機株式会社 Electromagnetic switch for starter
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JP5168128B2 (en) * 2008-02-20 2013-03-21 株式会社デンソー Electromagnetic switch
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JP4702427B2 (en) 2008-10-10 2011-06-15 株式会社デンソー Engine start control device
DE102009001725A1 (en) * 2009-03-23 2010-09-30 Robert Bosch Gmbh Starting relay of a starting device for internal combustion engines
DE102009028535A1 (en) * 2009-08-14 2011-02-17 Robert Bosch Gmbh A method of operating a controller for a starting device, controller and computer program product
CN103943414B (en) * 2013-01-23 2018-02-27 博世汽车部件(长沙)有限公司 Electromagnetic switch and vehicle starter
CN103943415B (en) * 2013-01-23 2017-06-23 博世汽车部件(长沙)有限公司 Electromagnetic switch and vehicle starter
JP6069127B2 (en) * 2013-08-08 2017-02-01 株式会社日本自動車部品総合研究所 Electromagnetic relay module
DE102015121033A1 (en) 2015-07-23 2017-01-26 Epcos Ag Magnetic armature, contactor with magnetic armature and method for switching a contactor
JP6407486B2 (en) * 2016-04-26 2018-10-17 三菱電機株式会社 Electromagnetic switch device for starter
EP3524809A4 (en) * 2016-10-05 2019-12-11 Mitsubishi Electric Corporation Electromagnetic switch device for stator
JP6305491B1 (en) * 2016-10-25 2018-04-04 三菱電機株式会社 Electromagnetic switch device for starter
JP6385544B1 (en) 2017-10-03 2018-09-05 三菱電機株式会社 Electromagnetic switch device for starter and starter
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Also Published As

Publication number Publication date
JP2001508855A (en) 2001-07-03
WO1999026266A1 (en) 1999-05-27
DE59813555D1 (en) 2006-06-29
EP0953200A1 (en) 1999-11-03
CN1243598A (en) 2000-02-02
CN1139090C (en) 2004-02-18
JP3998730B2 (en) 2007-10-31
US6360707B1 (en) 2002-03-26

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