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WO2011000611A1 - Dispositif de démarrage pour moteur à combustion interne, et procédé de mise en œuvre d'un dispositif de démarrage - Google Patents

Dispositif de démarrage pour moteur à combustion interne, et procédé de mise en œuvre d'un dispositif de démarrage Download PDF

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Publication number
WO2011000611A1
WO2011000611A1 PCT/EP2010/056024 EP2010056024W WO2011000611A1 WO 2011000611 A1 WO2011000611 A1 WO 2011000611A1 EP 2010056024 W EP2010056024 W EP 2010056024W WO 2011000611 A1 WO2011000611 A1 WO 2011000611A1
Authority
WO
WIPO (PCT)
Prior art keywords
starter
power
starter motor
starting
starting device
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.)
Ceased
Application number
PCT/EP2010/056024
Other languages
German (de)
English (en)
Inventor
Thomas Biessenberger
Hartmut Wanner
Uwe Daurer
Oliver Neumann
Viktor Rill
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
Priority to EP10718961A priority Critical patent/EP2449246A1/fr
Publication of WO2011000611A1 publication Critical patent/WO2011000611A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • F02N11/0862—Circuits specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery
    • F02N11/0866—Circuits specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery comprising several power sources, e.g. battery and capacitor or two batteries
    • 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
    • F02N11/0814—Circuits specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
    • 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

Definitions

  • the invention relates to a starting device for an internal combustion engine, in particular of a vehicle, with a starter motor, a switching relay, a
  • Starter control for the switching relay and a power source further relates to a method for operating a starting device with a starter motor for starting an internal combustion engine, in particular a vehicle, wherein the starter motor is switched on and off by a starter control for starting the internal combustion engine.
  • starting devices with a starter motor for starting an internal combustion engine.
  • the starting devices are either actuated in a defined manner by an ignition switch or controlled by a control activated by an activation button by the driver. It is also known, in vehicles with a start-stop device to control the starting device defined by a controller, for example, after a stop of the internal combustion engine to start this again for driving recording.
  • DE 102 31 0 88 A1 describes a switching device for switching on a
  • Starter motor with two transistors and each with a means of checking the functionality.
  • Starter motor is just loaded with as much electrical power as is required for starting the internal combustion engine. This leads to a significant reduction in the wear on the starter pinion, which is meshed into a ring gear of the internal combustion engine for starting. The reduction of electrical
  • Performance on the actually required power also protects the carbon brushes in the electrical machine and the bearings, as well as in the switching relay for controlling the starter motor contact pieces.
  • the object is thus achieved in that the starting device is formed with a power regulating device for the starter motor.
  • the power regulation device thus adapts the electrical power to the corresponding operating requirements.
  • the power regulation device may be, for example, an electronic starter control, which reduces the current.
  • the power can be regulated by placing resistors in front of it.
  • resistors are high electrical consumers and thus do not work resource-conserving with respect to the electrical energy.
  • the power regulating device is provided with a starter control having at least one power switch and in each case a separately assigned energy source for increasing the formed on the starter motor available electrical power.
  • a starter control having at least one power switch and in each case a separately assigned energy source for increasing the formed on the starter motor available electrical power.
  • the preferred embodiment is the connection of energy sources, each with a discrete energy output.
  • three power switches are provided with three associated power sources.
  • the power regulating device has at least one control part, in particular a temperature sensor.
  • the control part By means of the control part, the power range of the starter motor can be divided into operating ranges.
  • the temperature sensor By means of the temperature sensor, the operating range of the starter motor can be divided depending on the temperature.
  • the control part measures variable values, while the power regulating device evaluates the values of the control part by means of the starter control and the power regulating device controls the starter motor in certain operating ranges.
  • the power regulating device comprises a time-dependent control part, in particular a timer.
  • the starter motor can be subjected to different powers by the power regulation device in a time-dependent manner during the starting process.
  • the starter motor can be controlled efficiently, without the on-board network is stressed too much or too much power is unnecessarily withdrawn from the electrical system.
  • the starter control can also be designed with discrete electrical switching elements or small electromechanical relays and a temperature sensor in bimetal design.
  • the power regulation device is arranged on the positive pole side of the starter motor.
  • the electrical energy is supplied to the starter motor from the positive pole side.
  • the power regulator may be located on the negative pole side of
  • Starter motor can be arranged.
  • the circuit breakers are thus arranged on the negative pole side of the starter motor and cause when closing the circuit breaker, the total resistance is reduced in the main circuit of the starter motor and increases the electrical power by each of the closing of the circuit breaker another energy source in the form of, for example, a battery is switched on.
  • a starter with insulated mass, starter housing, engine block of the engine, vehicle frame are arranged isolated. It may be advantageous to arrange the power regulating device on the negative pole side, since on the positive pole side additional switching elements such as e.g. Battery disconnector, line branches to generators and large consumers, etc. are present. These might have to be changed with great effort in order to represent the same function, therefore, here offers the negative pole side.
  • the starting device is connectable to a start-stop control.
  • the starting device is efficiently supplied with electrical energy, both for a start-up operation in cold, when the starting of the internal combustion engine requires a higher electrical power, since the internal combustion engine has a greater engine torque, when the internal combustion engine is still cold and the engine torque due to the viscosity of in the internal combustion engine engine oil is increased.
  • the internal combustion engine is already heated, so that the viscosity of the engine oil is significantly improved, so that the engine torque is significantly reduced and the starter motor only a lower electrical power required for starting the internal combustion engine, which is provided and made possible by the power regulating device.
  • the object is also achieved by a method for operating a starting device, characterized in that the starter motor in the starting process of the power regulated by the
  • Starter control is controlled. For example, as described earlier, the starter control distinguishes whether the engine has a low engine torque and a medium or increased engine torque to start. Accordingly, the starter control controls the starter motor in a power-regulated manner.
  • the starter motor is acted upon by the starter control with a defined maximum electrical power depending on, preferably in three, divided operating ranges.
  • the maximum power is limited by the starter, the battery and the line resistance, and the state of charge so here max. 100%, which is not sensed here.
  • the applied to the engine torque which is referred to as engine torque, is dependent on temperature to a significant extent. It is therefore appropriate to adjust the power of the starter motor accordingly, thus efficiently to provide the starter motor with electrical power. Excessive power leads to unnecessarily high wear on the carbon brushes, in bearings and on the contact pieces on the starter relay.
  • the operating ranges are divided depending on the predetermined number of circuit breakers with associated operating sources.
  • the following temperature ranges are preferably provided: a first temperature range> 20 ° C., a second temperature range between 0 ° C. and 20 ° C. and a lower temperature range ⁇ 0 ° C.
  • the temperature ranges are specific to the type of vehicle and can be variably adjusted to specific climatic conditions.
  • the starter motor is supplied with electrical power in a regulated manner during the starting process by starter control in time stages. Due to a time-delayed connection by circuit breakers of electrical energy Energy sources, for example in the form of a battery or battery groups, thus a relatively gentle turning is possible, so that the components of the starter, in particular those of the starter, ie the carbon brushes, electrical contacts and the roller freewheel and the teeth are claimed protected.
  • the object is achieved by a computer program product in that it can be loaded into a program memory with program instructions in order to execute all the steps of a method described above when the computer program product is executed in a starter controller.
  • the computer program product has the advantage that operating ranges are simple, variable and type-specific adjustable. A resource-saving optimization with regard to component wear and electrical power can be calculated and / or determined from empirical values.
  • the computer program product can be adapted to the specific values.
  • FIG. 1 is a schematic circuit diagram of a starting device according to a first embodiment
  • FIG. 2 shows a schematic circuit diagram of a starting device according to a second embodiment
  • 4 shows a table with three operating ranges dependent on operating times
  • 5a-c are timing diagrams relating to operating values in the starting operation of the starting device
  • FIG. 6 is a flow chart of a method according to the invention.
  • Fig. 1 shows a schematic circuit diagram of a starting device 1 according to the invention for an internal combustion engine, not shown, of a vehicle.
  • the starting device 1 comprises a starter motor 2, which is acted upon by a switching relay 3 with electrical power from a battery 4 as an electrical energy source switchable.
  • the switching relay 3 with a first switching contact Sk1 is controlled by a starter control 5.
  • the shift relay 3 can be referred to as a so-called starter relay, or also as an engagement relay, which includes the function of meshing a starter pinion into the ring gear of the internal combustion engine.
  • the starter relay can be configured in one or two stages.
  • the starter control 5 is, for example, an ignition switch on the ignition lock of a vehicle or an electronic circuit with a switch button. For a start-stop operation is the starter control
  • the starting device 1 comprises at least one further second power switch, which is preferably designed as a second switching relay 6 and can also be controlled by the starter control 5.
  • the second switching relay 6 switches with a second switching contact Sk2 to another energy source in the form of a battery 7 and thus reduces the total resistance in the main circuit of the starter motor 2.
  • a higher power for the starter motor 2 is available, so that the starter motor 2, a higher torque can give, which is required for example due to a higher engine torque of the internal combustion engine.
  • any further third, fourth, etc., power switches 8 are connected in series behind the first and second power switches 3, 6, each of which switches on an associated energy source, for example in the form of a battery and be controlled by the starter control 5.
  • a third switching relay 8 with a third switching contact Sk3 is controlled by the starter control 5 and switches a third battery 10 to.
  • the lines each have resistors marked and represented by R LH i, R ⁇ _ H2 and R LH3 .
  • the return on the negative pole side of the starter motor 2 has a resistance R L R and is represented by a resistance symbol.
  • the switching contacts 6 and 8 need not be connected in series.
  • the batteries via parallel arranged switching contacts 6 and 8 with a common neutral point on the Heidelbergkontatk 3 can be switched.
  • the starter controller 5 is connected to a temperature sensor 9 to detect the temperature of the engine to derive therefrom a possible, actual engine torque of the internal combustion engine.
  • Motor torque can be calculated either by a temperature dependent formula or by a look-up table, whereby the intermediate values can be interpolated.
  • the values can be transmitted via an interface, for example from the engine control to the starter control 5, so that an additional temperature sensor 9 in a vehicle is not necessary.
  • the starter control 5 has a time-dependent control part, preferably in the form of a timer 13, to carry out the method according to the invention, as described below.
  • the starter controller 5 further includes a
  • Microcomputer with a CPU 1 1 and with a program memory 12.
  • Fig. 1 shows the arrangement of the first switching relay 3, second switching relay 6 and third switching relay 8, each with the associated power source and the starter control 5 for driving on the positive pole side of the starter motor.
  • This has the advantage that a considerably higher power surplus is not activated and thus unnecessarily high wear on a starter pinion of the starter motor 2 and on the ring gear of a Internal combustion engine and on the carbon brushes in the starter motor 2 and contact pieces in the switching relay 3, 6 and 8 and unnecessarily high load on the roller freewheel / overrunning clutch are also reduced by the supply of the electrical system from the batteries 4 or 7, the voltage drop during a startup reduced be because the line resistance R ⁇ _m in this
  • FIG. 2 shows a schematic circuit diagram of the starting device 1 according to the invention according to FIG. 1, with the difference that the first switching relay 3 and the further switching relays 6 and 8 are arranged as power regulating device on the negative pole side of the starter motor 2.
  • FIG. 1 When using insulated mass start-up systems, i. Starter housing, engine block of the internal combustion engine, vehicle frame, ... are electrically not connected to the negative pole of the battery, such as in construction machinery, marine propulsion, stationary engines, rail vehicles, is advantageous to arrange the power control device on the negative pole side, as on the positive pole side often additional switching elements such eg Battery disconnector, line branches to generators and large consumers, etc. are present. These would u.U. be changed with greater effort to represent the same function, therefore, offers the minus side.
  • FIG. 3 shows a table with a division of the operating range from the starter motor 2 into three operating ranges B i, n, i n dependent on the temperature.
  • a first temperature range B i comprises a temperature greater than 20 ° C. of the internal combustion engine.
  • the starter controller 5 In the first temperature range B i, which is detected via the temperature sensor 9 and detected by the starter controller 5 as such, only the first power switch 3 with the switching contact Sk1 by means of the first according to the stored in the program memory 12 method Switching relay 3 is closed, so that the starter motor 2 is acted upon by a minimal electrical power from the battery 4 and thus protects the starter pinion the ring gear.
  • the engine torque In this temperature range B i over 20 0 C, the engine torque is lower than at lower temperatures. Thus, electrical power is saved and load on the components is reduced, so that a
  • a second temperature range B n in which the starter motor 2 can work in the starting process, for example, between 0 0 C to 20 0 C.
  • the switching contacts Sk1 and Sk2 on the circuit breaker from the first switching relay 3 and second switching relay 6 each closed and the switching contact Sk3 on the third switching relay 8 open. This results in an average power that is higher than in the temperature range> 20 0 C.
  • the starter motor 2 thus outputs an increased torque for increased engine torque due to increased electrical power, characterized in that a second battery 7 parallel to the first Battery 4 is switched by the switch 6.
  • the table according to FIG. 3 shows a third temperature range B i n with a temperature of less than 0 ° C., in which the starter motor 2 operates.
  • this third temperature range B i n shows a temperature of less than 0 ° C., in which the starter motor 2 operates.
  • Table 4 shows a further table, according to which the switching contacts Sk1, Sk2, Sk3 are actuated by the switching relays 3, 6, 8 and activated by the starter control 5 as a power regulating device according to a defined program.
  • Table 4 again shows three operating ranges B i, i i, i n, which, like the table according to FIG.
  • Switch contacts in the open and closed state shows, in which case the crisis the timing of the startup process is.
  • the starter motor 2 is subjected to a low power, which is increased with increasing time from the starting process by connecting the second switching contact Sk2 from a time t2 and from a time t3 by switching a third switching contact Sk3 ,
  • the starter motor 2 is gently turnable and the speed of the starter motor 2 increases slower, the current spike is initially significantly lower, so that the components such as toothing, overrunning clutch, switching contacts including the carbon brushes of the starter motor 2 are claimed much less. Wear is thus clearly reduced.
  • FIG. 5a shows the switch-on states of the switches 3, 6 and 8 with the switch contacts Sk1, Sk2, Sk3 with increasing time t in the starting process.
  • the first switch 3 is closed.
  • the second switch 6 is closed and at time t3, the third switch 8 is closed with the switching contact Sk3.
  • Table 5b shows in accordance with the falling in stages total resistance R 1 in the main circuit of the starter motor 2 in parallel with the connection of the switching contacts Sk1 to Sk3 at the times t1, t2 and t3.
  • FIG. 5c shows a time-current diagram with a current characteristic IE according to the invention corresponding to the switching states as shown in FIGS. 5a and 5b.
  • the switching states produce in the starting process upon execution of the procedure according to the table of FIG. 4 an increase in the starter current IE in stages with significantly lower peak currents l e i, I ⁇ 2 and I E3 respectively shortly after switching on at the times t1, t2 and t3 in the power grid.
  • the electrical system is less loaded overall, so that a start of the internal combustion engine, for example, in a start-stop operation and a simultaneous operation of other electrical consumers is not detected.
  • the characteristic IH is displayed, which is shown in relation to the characteristic IE.
  • FIG. 6 shows a flow chart according to a preferred embodiment, such as the method in the starter control 5, which is stored in the program memory 12 in the form of a computer program.
  • a start signal for example, by an ignition switch activated by the driver, which is symbolized by a step S10.
  • the starter control 5 asks the temperature sensor 9 or via a bus system or via the engine control, the current engine temperature of
  • step S30 the temperature of the starter control 5 is notified, so that the starter control 5 makes an evaluation in step S40 and in step S50, according to the table of FIG. 3, decides which switches 3, 6,
  • a first power switch is closed via the switching relay, for example via the first switching relay 3, and the starter motor 2 is started.
  • a query step A1 it is checked whether the internal combustion engine is started. If this is the case, which is determined via the control part, the starter motor 2 is switched off by the starter control 5 in a step S70. If the internal combustion engine has not yet started, then a clock starts to run in the query step A1.
  • the method according to the table from FIG. 4 is selected, for example, according to a preferred embodiment. It is thus determined in a step S80 that another, for example a second switch, should be closed.
  • the process returns to the starter control of step 50 and a second switch is closed so that the engine is cranked at an increased power on the starter motor 2.
  • the method continues through steps 60 and query A1. Is the engine still not on one accelerated high speed required so it can be closed by triggering the starter control 5 after a second timeout of another, third power switch 3. This process can be run through within a second, so that a driver takes almost no notice of it.
  • the starter controller 5 may also include a self-learning function so that it learns independently at which temperatures the engine can be started quickly and with what combination of closed switches, and how many switches can remain open to still successfully start the engine. It is understood that the method shown combined in FIG. 6 in dependence on temperatures and times for switching the switching contacts Sk1 to Sk3 can also be performed separately from a method sequence.
  • the figures show schematic, not to scale representations. Incidentally, reference is made in particular to the drawings of the invention as being similar.

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

Abstract

La présente invention concerne un dispositif de démarrage (1) destiné à un moteur à combustion interne, de véhicule en particulier. Il qui comporte un moteur de démarreur (2), un relais tout-ou-rien (3), une commande de démarreur (5) sollicitant le relais tout-ou-rien (3), et une source d'énergie. En l'occurrence, le dispositif de démarrage (1) est pourvu d'un dispositif de régulation du rendement du moteur de démarreur (2), ce qui permet de proposer un dispositif de démarrage (1) économisant les ressources et offrant une durée de vue plus élevée.
PCT/EP2010/056024 2009-07-01 2010-05-04 Dispositif de démarrage pour moteur à combustion interne, et procédé de mise en œuvre d'un dispositif de démarrage Ceased WO2011000611A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10718961A EP2449246A1 (fr) 2009-07-01 2010-05-04 Dispositif de démarrage pour moteur à combustion interne, et procédé de mise en uvre d'un dispositif de démarrage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910027398 DE102009027398A1 (de) 2009-07-01 2009-07-01 Startvorrichtung für eine Brennkraftmaschine und Verfahren zum Betreiben einer Startvorrichtung
DE102009027398.0 2009-07-01

Publications (1)

Publication Number Publication Date
WO2011000611A1 true WO2011000611A1 (fr) 2011-01-06

Family

ID=42470782

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/056024 Ceased WO2011000611A1 (fr) 2009-07-01 2010-05-04 Dispositif de démarrage pour moteur à combustion interne, et procédé de mise en œuvre d'un dispositif de démarrage

Country Status (3)

Country Link
EP (1) EP2449246A1 (fr)
DE (1) DE102009027398A1 (fr)
WO (1) WO2011000611A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6202615B1 (en) * 1997-03-06 2001-03-20 Isad Electronic Systems, Gmbh & Co., Kg Methods and apparatus for starting an internal combustion engine
US20030037748A1 (en) * 2001-08-22 2003-02-27 Toyota Jidosha Kabushiki Kaisha Control system for internal combustion engine and method
WO2008124342A1 (fr) * 2007-04-04 2008-10-16 Cooper Technologies Company Procédés et systèmes d'alimentation en puissance d'une charge

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10231088A1 (de) 2002-07-10 2004-01-22 Robert Bosch Gmbh Schalteinrichtung für die Startanlage eines Kfz-Verbrennungsmotors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6202615B1 (en) * 1997-03-06 2001-03-20 Isad Electronic Systems, Gmbh & Co., Kg Methods and apparatus for starting an internal combustion engine
US20030037748A1 (en) * 2001-08-22 2003-02-27 Toyota Jidosha Kabushiki Kaisha Control system for internal combustion engine and method
WO2008124342A1 (fr) * 2007-04-04 2008-10-16 Cooper Technologies Company Procédés et systèmes d'alimentation en puissance d'une charge

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2449246A1 *

Also Published As

Publication number Publication date
DE102009027398A1 (de) 2011-01-05
EP2449246A1 (fr) 2012-05-09

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