EP0363933B1 - Démarreur pour moteur à combustion interne muni d'un circuit électronique de puissance intégré - Google Patents

Démarreur pour moteur à combustion interne muni d'un circuit électronique de puissance intégré Download PDF

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Publication number
EP0363933B1
EP0363933B1 EP89118905A EP89118905A EP0363933B1 EP 0363933 B1 EP0363933 B1 EP 0363933B1 EP 89118905 A EP89118905 A EP 89118905A EP 89118905 A EP89118905 A EP 89118905A EP 0363933 B1 EP0363933 B1 EP 0363933B1
Authority
EP
European Patent Office
Prior art keywords
starter
block
power circuit
ignition lock
vehicle
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
EP89118905A
Other languages
German (de)
English (en)
Other versions
EP0363933A1 (fr
Inventor
Klaus Käsmeier
Christian Ertl
Karl-Michael Knoll
Günter Watzinger
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP0363933A1 publication Critical patent/EP0363933A1/fr
Application granted granted Critical
Publication of EP0363933B1 publication Critical patent/EP0363933B1/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 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
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • F02N11/10—Safety devices
    • F02N11/101—Safety devices for preventing engine starter actuation or engagement
    • F02N11/103—Safety devices for preventing engine starter actuation or engagement according to the vehicle transmission or clutch status

Definitions

  • the invention relates to a starter according to the preamble of claim 1.
  • Such a starter is known from JP-A-61 142 363.
  • the power electronics which can be controlled by the ignition lock are arranged partly inside an engine control unit and partly in the vicinity of the engine. Due to this division and the usually spatial distance of the engine control unit from the engine, the known starter leads to relatively long line connections between the ignition lock, power electronics and the starter and, due to the normally provided removable contact connections, considerable contact problems.
  • the ignition lock must be carried out in a heavy and complex design to be able to switch the current for the starter magnetic switch safely.
  • the invention has for its object to design a starter of the type mentioned so that a simple construction of the ignition lock and the use of leads of short length and with a small cross-section are possible.
  • a particularly advantageous embodiment of the invention is specified in claim 2.
  • the control device then effectively prevents the starter from being actuated incorrectly.
  • the starter is actuated only in a permissible vehicle and engine operating state. Compared to the possible premature actuation of the starter, which occurs when a diesel car is not yet preheated, or actuation of the starter when the engine is already running or the gear is engaged and the clutch is not actuated, this increases operational reliability. Furthermore, the starter actuation period can be optimized, thereby improving the battery charge balance.
  • the special mode of operation of the electronic control unit is particularly easy to implement in this case, since the control functions required for this can easily be incorporated into the control program of the control unit.
  • 1 denotes a starter, which is shown as a block.
  • the starter 1 is shown broken down into sub-blocks, of which the first sub-block symbolizes the mechanical part 3 of the starter which essentially consists of the pinion, the ring gear, the drive motor, etc.
  • the second sub-block symbolizes a magnetic switch 5, with the aid of which the mechanical part is coupled to the motor and the drive motor of the pinion is operated.
  • the third sub-block symbolizes power electronics 7, the output current of which drives the magnetic switch 5.
  • the line electronics 7 has a control input 9, which is connected via a control line 11 to the ignition lock 13 of the motor vehicle.
  • the control line 11 is not continuous, but an electronic control unit 15 is connected between the control input 9 of the power electronics 7 and the ignition lock 13.
  • Information lines 17a to 17c lead to the control unit 15 and supply the control unit 15 with additional information about the operating state of the motor vehicle.
  • the speed of the engine is communicated via the information line 17a, for example, via the information line 17b whether a gear is engaged, and via the information line 17c the duration of the preheating with a glow plug.
  • control device 15 which is optionally available, will be explained later with reference to FIG. 2. It is essential that the power electronics 7 is arranged in the immediate vicinity of the magnetic switch 5. This only requires the control line 11 to direct the start request to the starter 1 from the ignition lock 13.
  • the control line 11 can be designed with a thin cross section, since it only has to transmit one control signal.
  • the ignition lock 13 can be carried out in a simple construction, which results in a cost reduction, a weight reduction and an increase in durability. Due to the arrangement of the power electronics 7 in the immediate vicinity of the magnetic switch 5, only very short line paths with a large, unsecured line cross section are available. This in turn has the weight saving already mentioned, the reduction of the short-circuit risk and the reduction of interference fields when the starter is actuated.
  • FIG. 2 shows a flow chart which represents an example of the mode of operation of the control device 15.
  • the flow chart begins at block 20 which symbolizes the start of the starter actuation routine.
  • the first thing that is monitored in the starter actuation routine is whether the ignition lock 13 is switched on. This is indicated by a second block 22. If the ignition lock 13 is not switched on, the signal "starter-off" is sent directly to a starter-off block 24 via the control line 11. From there, the flowchart leads to its end from where the interrogation of the start routine block 20 is repeated by the presence of a switch-on signal from the ignition lock or - if necessary - is repeated automatically on the basis of a predetermined time program or the like.
  • a pre-glow block 26 is queried - only in the case of diesel vehicles - whether the pre-glow phase of the diesel car has ended. If this is not the case, control is passed to the starter-off block 24 and the starter actuation routine is repeated due to the presence of a new switch-on signal from the ignition lock or - if necessary with a certain time delay - repeated automatically. If, on the other hand, the preheating has ended, the logic query on the speed of the vehicle is carried out in speed block 28. There the speed of the vehicle is compared with a limit speed. If the vehicle rolls faster than the limit speed, the system switches through to the starter-off block 24 and prevents a starting process.
  • the next step is to control a speed block 30 which checks whether the engine is stopped. If the engine is still rotating, ie if it is unfavorable for the starter to be engaged, the system switches to starter-off block 24. If, on the other hand, the speed is zero or close to zero, the next block, a clutch block 32, is activated.
  • a control signal is sent to the power electronics 7 via a starter-in block 34 via the control line 11.
  • the engine is started. If, on the other hand, the clutch is not actuated, a transmission block 36 is used to query whether the transmission is in a neutral position. If this is not the case, the system switches directly to the starter-off block 24 and prevents a starting process. If, on the other hand, the transmission is in a neutral position, the starter-in block 34 is activated, whereupon the power electronics 7 are activated.
  • the starter-on block 34 is connected to an idling speed block 38 in order to switch off the running starter precisely. There it is checked whether the engine has already reached idling speed. If this is not the case, the request signal for actuating the starter continues to be fed to the starter-on block 34 via a loop. If, on the other hand, the idling speed n LL has been reached, a control signal is emitted from the idling speed block 38 to the starter-off block 24 in order to end the starting process. The end 40 of the start actuation routine is thus reached and a smooth starting process is ensured.
  • the electronic control device 15 thus allows both the optimal triggering and the termination of the starting process.
  • the electronic control unit 15 can be designed, for example, as a digital engine electronics or diesel electronics control unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Claims (3)

1. Démarreur de véhicule automobile comportant un interrupteur électromagnétique (5) pour couper et brancher le courant de démarrage, le commutateur à relais (5) coopérant avec la serrure de contact (13) du véhicule et étant commandé par le courant de sortie fourni par une électronique de puissance (7) dont l'entrée de commande (9) est reliée à la serrure de contact (13) par une ligne de commande (11),
caractérisé en ce que l'électronique de puissance (7) se trouve dans le démarreur (1) ou dans le carter du démarreur (1) ou au voisinage immédiat de ce carter.
2. Démarreur selon la revendication 1,
caractérisé en ce qu'entre l'entrée de commande (9) de l'électronique de puissance (7) et la serrure de contact (13) il est prévu un dispositif de commande électronique (15) qui commande la mise en oeuvre du commutateur à relais (5) en fonction d'un programme de mise en oeuvre prédéterminé du démarreur selon les états de fonctionnement instantané du véhicule.
3. Démarreur selon la revendication 2,
caractérisé en ce que le dispositif de commande électronique (15) est conçu pour un fonctionnement démarrage/arrêt du véhicule.
EP89118905A 1988-10-13 1989-10-11 Démarreur pour moteur à combustion interne muni d'un circuit électronique de puissance intégré Expired - Lifetime EP0363933B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3834855 1988-10-13
DE3834855A DE3834855A1 (de) 1988-10-13 1988-10-13 Starter eines kraftfahrzeugs mit integrierter leistungselektronik

Publications (2)

Publication Number Publication Date
EP0363933A1 EP0363933A1 (fr) 1990-04-18
EP0363933B1 true EP0363933B1 (fr) 1992-02-26

Family

ID=6365016

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89118905A Expired - Lifetime EP0363933B1 (fr) 1988-10-13 1989-10-11 Démarreur pour moteur à combustion interne muni d'un circuit électronique de puissance intégré

Country Status (3)

Country Link
EP (1) EP0363933B1 (fr)
DE (2) DE3834855A1 (fr)
ES (1) ES2030252T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252861A (en) * 1991-07-18 1993-10-12 Eaton Corporation Starter interlock for electronically controlled vehicle
DE19705587C2 (de) * 1997-02-14 1999-07-15 Audi Ag Verfahren zur Steuerung eines elektromotorischen Anlassers
JP3889551B2 (ja) * 2000-05-18 2007-03-07 三菱電機株式会社 車両用スタータの保護装置
DE10028834A1 (de) * 2000-06-09 2001-12-13 Volkswagen Ag Vorrichtung zum Anlassen einer Brennkraftmaschine
DE10210537A1 (de) * 2002-03-05 2003-09-18 Volkswagen Ag Anlasserschaltung
EP1490596B1 (fr) * 2002-03-21 2013-01-16 Robert Bosch Gmbh Dispositif de demarrage pour moteur a combustion interne et procede de demarrage d'un moteur a combustion interne

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3885543A (en) * 1973-04-27 1975-05-27 Mark Swartz Engine starter control system
JPS5818558A (ja) * 1981-07-27 1983-02-03 Toyota Motor Corp エンジン自動停止始動装置
DE3220112A1 (de) * 1982-05-28 1983-12-01 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zum anlassen und abstellen einer brennkraftmaschine
IT1178969B (it) * 1984-06-15 1987-09-16 Fiat Auto Spa Apparato di rivviamento automatico del motore di un autoveicolo dopo una frenata brusca in condizione discarsa aderenza
KR900009058B1 (ko) * 1987-02-25 1990-12-17 미쓰비시전기 주식회사 전자 스위치 장치

Also Published As

Publication number Publication date
EP0363933A1 (fr) 1990-04-18
DE58900868D1 (de) 1992-04-02
DE3834855A1 (de) 1990-04-19
ES2030252T3 (es) 1992-10-16

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