EP1315903B1 - Dispositif de demarrage pour des moteurs a combustion interne - Google Patents

Dispositif de demarrage pour des moteurs a combustion interne Download PDF

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Publication number
EP1315903B1
EP1315903B1 EP01960110A EP01960110A EP1315903B1 EP 1315903 B1 EP1315903 B1 EP 1315903B1 EP 01960110 A EP01960110 A EP 01960110A EP 01960110 A EP01960110 A EP 01960110A EP 1315903 B1 EP1315903 B1 EP 1315903B1
Authority
EP
European Patent Office
Prior art keywords
starter
winding
pull
relay
starter motor
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
EP01960110A
Other languages
German (de)
English (en)
Other versions
EP1315903A1 (fr
Inventor
Karl-Otto Schmidt
Hartmut Wanner
Uwe Daurer
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 EP1315903A1 publication Critical patent/EP1315903A1/fr
Application granted granted Critical
Publication of EP1315903B1 publication Critical patent/EP1315903B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/067—Gearing 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

Definitions

  • the invention relates to a starting device for starting of internal combustion engines according to the genus of Claim 1.
  • the Magnetic armature moves in so far that the switch contact of the Relay in main starting device circuit closed becomes.
  • the starter motor is energized and thus the Pull-in winding from the switch contact of the starter relay practically bridged. Now almost the entire Pull-in force of the engagement relay from the holding winding be applied.
  • the pull-in force of the engagement relay is therefore considerably with the closing of the switch contact reduced.
  • the counterforce of the engagement spring remains still exist until the starter motor up the pinion twisted to the next tooth gap in the ring gear and that The pinion meshes there, the meshing spring then largely relaxed.
  • the aim of the present solution is to bounce or flutter of the switch contacts due to a changed
  • the engagement dynamics of the engagement relay are as reliable as possible prevent and the switching reliability especially at high Temperatures and large lead resistance improve.
  • the starting device according to the invention with the features mentioned in the characterizing part of claim 1 has the advantage over the prior art that when the starter motor is switched on by closing the switching contacts of the engagement relay, the pull-in winding is therefore switched off not at the same time but with a time delay and thus with a tooth-on-tooth -Position of the meshing pinion on the ring gear reliably prevents the relay armature from fluttering due to the tensioned meshing spring. Due to the delayed switch-off of the pull-in winding, the starter motor has sufficient time to turn the starter pinion into the next tooth gap on the ring gear and engage it there.
  • the engagement spring is again largely relaxed, so that the force of the holding winding is sufficient to hold the starter pinion in the engagement position while the internal combustion engine is turning on.
  • Another advantage is that, due to the longer time that the pull-in winding cooperates during the engagement process, the limit temperature for the starting device can be raised, since the tendency to bounce or flutter at the starter relay is significantly reduced when the internal combustion engine is hot started. It is also particularly advantageous that the delayed switch-off of the pull-in winding according to the invention may reduce the current requirement of the relay windings, which in particular enables a simpler design of the relay control line and the switching elements in the control line.
  • the modification of the starter device according to the invention thus not only significantly reduces the tendency to bounce, flutter or vibrate the relay contacts in the main circuit of the starter device due to the temporarily higher magnetic force when the switch contact closes, but at the same time also reduces the risk of interference at high temperatures or high lead resistance improved in the control circuit of the engagement relay 19.
  • the timing element in the form of an RC element preferably in the form of a series RC link
  • the resistor-capacitor connection with the Control connection of the pull-in winding switching Control switching element is connected.
  • Circuitry is particularly easy to implement here a solution in which the switching distance of the Control switching element between that of the control line opposite end of the feed winding and one Ground connection is switched.
  • it is Control element a transistor, preferably a Field effect transistor.
  • Control switching element and timer in an advantageous manner as a potted circuit module in the engagement relay accommodate.
  • the circuit module has two Connections for the switching path of the control switching element on that lie between a ground potential Magnetic core of the engagement relay and the end of the Feed winding are switched.
  • the resistance of the timing element via a third connection of the circuit module with the terminal of the engagement relay for Connection of the starter motor connected.
  • FIG. 1 shows schematically the mechanical structure of the Starting device 10 according to the invention in the form of a push-screw drive starter for internal combustion engines.
  • the Starting device 10 has a starter motor 11, the Output shaft 12 has a steep thread 13, which with a corresponding nut thread in a drive shaft 14 cooperates.
  • the output shaft 12 of the starter motor 11 via an intermediate, not shown planetary gear driven.
  • the Driver shaft 14 is with the outer ring of a freewheel 15 firmly connected, the inner ring at the front a starter pinion 16th wearing.
  • Starter pinion 16 and freewheel 15 are on the Output shaft 12 axially displaceable up to a stop 17 stored.
  • the starter pinion 16 is in a ring gear 18 engaged in the internal combustion engine.
  • the axial displacement takes place with the help of an engaging relay 19, whose not Relay anchor shown via a bell crank 20 and a Track spring 21 engages the freewheel 15.
  • FIG 2 shows the circuit structure of the starter Figure 1. It can be seen there that the engagement relay 19 a Engagement winding 22 and a holding winding 23 and one Has switching contact 24, which in the main circuit 35 of the Starter motor 11 is located.
  • the engagement relay 19 has three Terminals, 30, 45 and 50 and lies with its housing to ground potential.
  • the switch contact 24 is with his Terminal 30 on the positive connection of one Accumulator battery 25 of the motor vehicle, which with its Minus connection to ground.
  • the switch contact 24 is firmly connected to the starter motor 11 via the terminal 45, whose other connection is also grounded.
  • Engagement and Holding winding 22, 23 with one end together over the Terminal 50 connected to a control line 26, about the in the example of a manually operated, on Plus potential of the motor vehicle electrical system lying Start switch 27 a start signal to the starter arrives.
  • the other end of the holding winding 23 is internally via the core of the engagement relay to ground placed.
  • the timer 29 consists of a series RC element, the resistor-capacitor connection 31 on the control connection 32 of the Control switching element 28 is switched.
  • the timer 29 is with its resistor 33 with the terminal 45 of Engagement relay 19 and with its capacitor 34 with a Ground connection connected.
  • the resistor 33 of the timer 29 is designed here as a PTC resistor.
  • Figure 3 shows the magnetic flooding of the engagement relay 19 when applying a start signal via the control line 26 during a starting process, specifically in diagram a) the solution according to the invention and in diagram b) after a conventional solution.
  • the capacitor 34 of the timer 29 is now on the Resistor 33 charged.
  • At time t3 is now Capacitor 34 charged so far that the potential at Control connection 32 of the control switching element 28 so far has increased that now the switching distance of the Control switching element 28 reverses in the locked state. So that the current in the feed winding 22 of the Engagement relay 19 interrupted, so that the relay armature over the bell crank 20, the starter pinion 19 only with the Holding force in its engaged state, which of the flow ⁇ 23 of the holding winding 23 is generated.
  • the engagement relay 19 is now at the end of the starting process Opening of the start switch 27 is switched off at the time t4, whereby the holding winding 23 is now de-energized.
  • Engagement relay 19 By a return spring, not shown Engagement relay 19 will now be the relay armature in his Moved back to the rest position and the switch contact 24 opened.
  • the Starter motor 11 is thus also switched off and that Starter pinion via the lever 20 in the rest position intimidgespurt.
  • the capacitor 34 of the timer 29 can then via the resistor 33 and the starter motor 11 unloaded in order to cancel the start if necessary Prepare the starting device for another start.
  • the engagement relay 19 operates in the manner previously described way regardless of whether the starter pinion 16 in engages the ring gear 18 or not. In a tooth-on-tooth position between starter pinion 16 and ring gear 18 however, with the pull-in force of the total flow ⁇ 22 + ⁇ 23 the engagement spring 21 fully tensioned. From the At time t2, the starter motor 11 is at full voltage placed and thus the starter pinion 16 against strong Frictional forces turned on the ring gear 18, so that it in the next tooth gap of the ring gear can reach. With the The starter pinion 16 is engaged in the ring gear 18 Track spring 21 again largely before time t3 relaxed. At time t3 it is also in this case the starter pinion 16 fully engaged in the ring gear 18 and the pull-in winding 22 is - as explained above - safe off.
  • Diagram 3 b) shows the through-flow of an engagement relay represented conventional construction.
  • the Time t2 with the closing of the switching contact Feed winding switched off and thus the pulling force of the Engagement relay from the total flow of the pull-in and Engagement winding ⁇ 22 + ⁇ 23 only on the flow ⁇ 23 of the holding winding reduced.
  • this is enough Magnetic force is no longer sufficient to force the tensioned
  • the relay armature is through the spring force of the engagement spring 21 in a tooth-on-tooth position pushed back and the switch contact of the Engagement relay will spark again open for a short time.
  • the relay armature begins to flutter until finally the starter pinion 16 in the ring gear 18th meshes. There is a risk that the Vibrate relay contacts.
  • Control switching element 28 and RC timer 29 can be a circuit module encapsulated in insulating material embed. This can then on the magnetic core of the Engagement relay 19 screwed tight and thus in the engagement relay integrated.
  • Figure 4 is a such circuit module 36 shown spatially. It only requires two connection plates 37, 38 for the Switching distance of the control switching element 28 and a third Connection plate 39 for the resistance connection of the Timing element 29.
  • the first connection plate 37 is over here the dashed wire end of the pull-in winding 22 contacted, while the second connection plate 38 with a Screw 40 on the magnetic core of the engagement relay 19 as Earth contact is screwed tight.
  • the third connection plate 39 is shown with a connecting wire 41 indicated by dashed lines connected to the terminal 45 of the engagement relay 19.

Landscapes

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

Abstract

L'invention concerne un dispositif de démarrage pour des moteurs à combustion interne, qui comprend un moteur de démarrage (11) dont le pignon de démarrage s'engrène dans la couronne dentée d'un moteur à combustion interne à l'aide d'un relais d'enclenchement (19) qui, vers la fin de sa course, met en marche le moteur de démarrage par l'intermédiaire d'un contact de commutation (24). Le relais d'enclenchement (19) est en outre pourvu d'un enroulement d'insertion (22) et d'un enroulement de maintien (23). L'invention vise à empêcher un rebond ou une oscillation du contact de commutation (24), notamment par un vacillement ou une oscillation de la palette de relais lorsque le ressort d'engrenage (21) est tendu, par un positionnement dent sur dent lors de l'engrenage. A cet effet, la force d'insertion complète du relais d'enclenchement (19) est encore allongée après la fermeture du contact de commutation (24) par un relais de temporisation (29), l'enroulement d'insertion (22) étant monté en série avec un élément de commutation de commande (28) qui est commuté de l'état conducteur à l'état de blocage par l'intermédiaire du relais de temporisation (29) monté en parallèle par rapport au moteur de démarrage (11).

Claims (8)

  1. Dispositif de démarrage pour des moteurs à combustion interne dans lequel :
    un moteur de démarreur (11) a son pignon d'attaque (16) qui peut venir s'engager dans une couronne dentée (18) du moteur, par l'intermédiaire d'un relais d'engagement (19) et d'un ressort d'engagement (21) intercalé,
    le relais d'engagement (19) dispose dans le circuit principal (35) du moteur de démarreur d'un contact d'enclenchement (24) qui, vers la fin de la course du relais d'engagement, enclenche le moteur de démarreur,
    de plus, le relais d'engagement (19) présente un enroulement d'engagement (22) et un enroulement de maintien (23) qui peuvent pendant l'opération de démarrage, être actionnés par un signal de commande amené par une ligne de commande (26),
    l'enroulement de commande (22), qui est monté en série avec un commutateur de commande (28) peut être coupé après enclenchement du moteur de démarreur,
    caractérisé en ce que
    le commutateur de commande (28) peut, par l'intermédiaire d'un temporisateur (29) monté entre le contact d'enclenchement (24) et la masse, en parallèle avec le moteur de démarreur (29), passer sur commande de l'état conducteur à l'état de coupure, ce temporisateur étant un organe combinant résistance et capacité.
  2. Dispositif de démarrage selon la revendication 1,
    caractérisé en ce que
    le temporisateur (29) est un organe combinant en série résistance et capacité, et dont la liaison (31) entre résistance et capacité est raccordée au raccord de commande (32) du commutateur de commande (28).
  3. Dispositif de démarrage selon la revendication 2,
    caractérisé en ce que
    l'organe combinant en série résistance et capacité a sa résistance (33) reliée à une liaison existant entre le moteur de démarreur (11) et le contact de commutation (24) du relais d'engagement, et son condensateur (34) est relié à un raccord de masse.
  4. Dispositif de démarrage selon la revendication 3,
    caractérisé en ce que
    la résistance (33) est une résistance à coefficient de température positif.
  5. Dispositif de démarrage selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le circuit de commande du commutateur de commande (28) se trouve entre l'extrémité de l'enroulement d'engagement (22) éloignée de la ligne de commande (26) et un raccord de masse.
  6. Dispositif de démarrage selon la revendication 5,
    caractérisé en ce que
    le commutateur de commande (28) est un transistor, de préférence un transistor à effet de champ.
  7. Dispositif de démarrage selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le commutateur de commande (28) et le temporisateur (29) sont, sous forme de module de commutation (36) coulé, implantés dans le relais d'engagement (19) et par les deux raccords (37, 38) du circuit de ce module reliés au noyau magnétique, qui est à la masse, de ce relais et à l'extrémité de l'enroulement d'engagement (22).
  8. Dispositif de démarrage selon la revendication 7,
    caractérisé en ce que
    la résistance (33) du temporisateur (29) est reliée par le troisième raccord (39) du module de commutation (36) à la borne (45) du relais (19) raccordée au moteur du démarreur (11).
EP01960110A 2000-08-26 2001-07-06 Dispositif de demarrage pour des moteurs a combustion interne Expired - Lifetime EP1315903B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10041999A DE10041999A1 (de) 2000-08-26 2000-08-26 Startvorrichtung für Brennkraftmaschinen
DE10041999 2000-08-26
PCT/DE2001/002515 WO2002018780A1 (fr) 2000-08-26 2001-07-06 Dispositif de demarrage pour des moteurs a combustion interne

Publications (2)

Publication Number Publication Date
EP1315903A1 EP1315903A1 (fr) 2003-06-04
EP1315903B1 true EP1315903B1 (fr) 2004-03-03

Family

ID=7653898

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01960110A Expired - Lifetime EP1315903B1 (fr) 2000-08-26 2001-07-06 Dispositif de demarrage pour des moteurs a combustion interne

Country Status (4)

Country Link
EP (1) EP1315903B1 (fr)
DE (2) DE10041999A1 (fr)
ES (1) ES2217178T3 (fr)
WO (1) WO2002018780A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006033174A1 (de) * 2006-07-18 2008-01-31 Robert Bosch Gmbh Spulenanordnung mit einem Spulenträger eines elektromagnetischen Antriebs
DE102010039044A1 (de) * 2010-08-09 2012-02-09 Robert Bosch Gmbh Starter für eine Brennkraftmaschine eines Kraftfahrzeuges und Verfahren zum Herstellen eines solchen Starters

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586467A (en) * 1983-10-27 1986-05-06 General Motors Corporation Electric starting apparatus
JPH063176B2 (ja) * 1985-10-11 1994-01-12 株式会社日立製作所 スタ−タ
KR900009058B1 (ko) * 1987-02-25 1990-12-17 미쓰비시전기 주식회사 전자 스위치 장치
US4731543A (en) * 1987-05-01 1988-03-15 General Motors Corporation Electric starting motor control system
US4755689A (en) * 1987-10-06 1988-07-05 General Motors Corporation Electric starting system

Also Published As

Publication number Publication date
DE50101638D1 (de) 2004-04-08
ES2217178T3 (es) 2004-11-01
WO2002018780A1 (fr) 2002-03-07
DE10041999A1 (de) 2002-03-07
EP1315903A1 (fr) 2003-06-04

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