EP1169569A1 - Schaltungsanordnung für einen starter eines kraftfahrzeug-verbrennungsmotors - Google Patents
Schaltungsanordnung für einen starter eines kraftfahrzeug-verbrennungsmotorsInfo
- Publication number
- EP1169569A1 EP1169569A1 EP01911355A EP01911355A EP1169569A1 EP 1169569 A1 EP1169569 A1 EP 1169569A1 EP 01911355 A EP01911355 A EP 01911355A EP 01911355 A EP01911355 A EP 01911355A EP 1169569 A1 EP1169569 A1 EP 1169569A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit
- computer
- arrangement according
- starter
- battery
- 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.)
- Granted
Links
- 239000007858 starting material Substances 0.000 title claims abstract description 20
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 10
- 239000003990 capacitor Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
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
-
- 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
- F02N2250/00—Problems related to engine starting or engine's starting apparatus
- F02N2250/02—Battery voltage drop at start, e.g. drops causing ECU reset
Definitions
- the invention is based on a circuit arrangement for controlling a starter relay of a starter for a motor vehicle internal combustion engine according to the preamble of the main claim.
- a computer controls the starter current for turning on the starter after the contacts of a starter relay are closed (two-stage method).
- the computer controls the voltage and / or the current or the switch-on time for the starter until the internal combustion engine starts.
- this if there is a fault in the computer, which can occur in particular with an old and weak battery, for example also at low temperatures, this inevitably leads to the start relay dropping and thus to the undesired interruption of the starting process.
- the internal combustion engine can then no longer start.
- the main claim has the advantage that the starting process for the ⁇ internal combustion engine can be continued even if a temporary drop in voltage occurs at the starting relay.
- This has the advantage that even with a weak battery, provided there is still enough energy available to crank the internal combustion engine, it can start. A visit to the workshop can at least be delayed.
- the locking circuit is advantageously designed so that it works perfectly even at such low voltages at which the controlling computer can no longer be operated. In this way, for example, voltage drops of up to approximately 4 volts can be bridged indefinitely.
- voltage drops of up to approximately 4 volts can be bridged indefinitely.
- brief voltage drops e.g. B 100 ms and longer, also up to 0 volts be bridged, the time period being determined by the appropriate dimensioning.
- FIG. 1 shows a block diagram of an exemplary embodiment of the invention.
- the figure shows a computer 19 which is connected via an output STEN to a control input of an interlock circuit 1. Furthermore, the computer 19 is one
- a voltage conditioner 21 is provided which is connected directly to the battery 20 on the input side. Your control input is connected to the Reset-IN terminal, via which it receives a corresponding signal in the event of undervoltage. It then maintains the standby supply for the locking circuit 1 and, if appropriate, the computer 19 via its output line, which is buffered with an electrolytic capacitor C.
- the latch circuit 1 has a first NAND gate 12 and a second NAND gate 13.
- the control input STEN is connected to an input of the first NAND gate 12, while the second input is led together with a reset line to a first input of the second NAND gate 13.
- the reset line is fed by an AND gate 10, the two inputs (Reset-IN and Reset-OUT) of which are connected to the computer 19. Furthermore, the control input STEN is connected to the two inputs of a third NAND gate 11 operated as an inverter, the output of which is led to the second input of the second NAND gate 13. For initialization, the control input STEN is also connected to ground via a resistor R.
- the locking circuit 1 is a
- Memory circuit 2 which essentially has a flip-flop consisting of the two NAND gates 14 and 15 and of the RC circuit with the resistor 17 and the capacitor 18 and a coupling resistor 16.
- the coupling resistor 16 is connected to the inverting output of the second NAND gate 13 and carries its signal through an input of the NAND gate 14.
- the resistor 17 and the capacitor 18 are connected in parallel to ground with this input.
- the inverting output of the first NAND gate 12 is connected to an input of the NAND gate 15, while the two free inputs of the two NAND gates 14, 15 are connected crosswise to the corresponding outputs.
- the output of the NAND gate 15 is connected to the control input of an output stage 3 and controls the start relay 4 via its output, which in turn closes the main circuit to the starter via contacts (not shown) and, on the other hand, couples the drive pinion into the flywheel of the internal combustion engine.
- the start relay 4 is connected to the positive pole of a battery 20. The operation of this arrangement is explained in more detail below.
- the computer 19 controls the output stage 3 via the control input STEN of the locking circuit 1 and the memory circuit 2 in such a way that the starting relay 4 is supplied with current and actuates the starter magnet and thus closing the main circuit for actuating the starter. If, for example, the battery voltage collapses after the main circuit for the starter is switched on, the computer 19 automatically goes into a reset mode as a result of the undervoltage.
- the undervoltage can occur for a certain period of time because, for example, the battery is undercharged or has too little capacity when it is very cold. In this case, the intermediate logic with the latch circuit 1 and the memory circuit 2 stores the current state on the
- Control input STEN This voltage level present at the control input STEN is stored with the flip-flop 14, 15 in such a way that the output stage 3 continues to be controlled via the control input.
- the start relay 4 thus maintains its current state.
- the lock is only released again when the battery voltage is restored and the computer 19 has taken control of the triggering of the start relay 4. After its initialization, it creates the target state again at the STEN control input. Only then does the computer 19 reset the Reset-OUT signal, so that the output stage 3 is now controlled directly via the control input STEN.
- the Reset-IN input is the signal which brings the computer 19 into the reset state in the event of undervoltage. Via this line, the computer 19 recognizes that there is undervoltage, and switches to reset mode to protect against malfunctions.
- the computer reports that it is in the reset state. This signal is actively canceled by the computer based on a corresponding program. This ensures that the STEN control input is brought into the desired state before the signal is reset to the Reset-OUT output. This advantageously prevents the triggering for the starting relay 4 from being temporarily interrupted.
- the RC circuit ensures that the memory circuit is set to an inactive state after a new connection of the battery or a change of battery in a workshop (power fail).
- the dimensioning of the circuit is designed such that, for example, undervoltage up to 0 volts and over a period of approximately 100 ms or longer can be bridged. With these conditions, predetermined, usual test cycles can be successfully completed. Of course, with a different dimensioning, other voltage drops can also be bridged.
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)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10005778A DE10005778A1 (de) | 2000-02-10 | 2000-02-10 | Schaltungsanordnung für einen Starter eines Kraftfahrzeug-Verbrennungsmotors |
| DE10005778 | 2000-02-10 | ||
| PCT/DE2001/000173 WO2001059294A1 (de) | 2000-02-10 | 2001-01-17 | Schaltungsanordnung für einen starter eines kraftfahrzeug-verbrennungsmotors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1169569A1 true EP1169569A1 (de) | 2002-01-09 |
| EP1169569B1 EP1169569B1 (de) | 2005-04-20 |
Family
ID=7630384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01911355A Expired - Lifetime EP1169569B1 (de) | 2000-02-10 | 2001-01-17 | Schaltungsanordnung für einen starter eines kraftfahrzeug-verbrennungsmotors |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6795766B2 (de) |
| EP (1) | EP1169569B1 (de) |
| JP (1) | JP2003522883A (de) |
| DE (2) | DE10005778A1 (de) |
| WO (1) | WO2001059294A1 (de) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10155111A1 (de) * | 2001-11-09 | 2003-05-22 | Bosch Gmbh Robert | Startvorrichtung für eine Brennkraftmaschine |
| DE10156389A1 (de) * | 2001-11-16 | 2003-05-28 | Bosch Gmbh Robert | Starteinrichtung für Brennkraftmaschinen |
| US6901326B2 (en) | 2003-05-28 | 2005-05-31 | Siemens Aktiengesellschaft | Circuit layout and procedure to control at least one electrical component of a motor vehicle |
| DE10343059A1 (de) * | 2003-09-16 | 2005-04-07 | Robert Bosch Gmbh | Ansteuerschaltung für ein Motoranlasser-Relais |
| US7277781B2 (en) * | 2004-05-14 | 2007-10-02 | General Motors Corporation | Method of undervoltage protection during engine cranking |
| DE102004048808A1 (de) * | 2004-10-07 | 2006-04-13 | Adam Opel Ag | Verfahren zum Ansteuern eines Starterrelais |
| DE102004058018A1 (de) * | 2004-12-01 | 2006-06-22 | Siemens Ag | Steuerschaltung für eine Schaltungsanordnung |
| DE102006016893A1 (de) * | 2006-04-11 | 2007-10-25 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Ansteuerung des Starters eines Kraftfahrzeugs |
| US20090174362A1 (en) * | 2008-01-03 | 2009-07-09 | F.D. Richardson Enterprises, Inc. Doing Business As Richardson Jumpstarters | Method and apparatus for providing supplemental power to an engine |
| US9263907B2 (en) | 2008-01-03 | 2016-02-16 | F.D. Richardson Enterprises, Inc. | Method and apparatus for providing supplemental power to an engine |
| US8493021B2 (en) * | 2008-01-03 | 2013-07-23 | F. D. Richardson Entereprises, Inc. | Method and apparatus for providing supplemental power to an engine |
| JP5003768B2 (ja) | 2009-01-16 | 2012-08-15 | 株式会社デンソー | スタータ制御装置 |
| DE102009029288A1 (de) * | 2009-09-09 | 2011-03-10 | Robert Bosch Gmbh | Vorrichtung zum Starten einer Verbrennungskraftmaschine mit einer reduzierten Anzahl von Steuerleitungen |
| CN101832209B (zh) * | 2009-12-23 | 2011-11-23 | 联合汽车电子有限公司 | 起动机继电器控制系统及发动机控制器 |
| DE102013214091B4 (de) * | 2013-07-18 | 2017-07-13 | Continental Automotive Gmbh | Verfahren und Vorrichtung zum Ansteuern eines Startermotors |
| DE102019209805A1 (de) * | 2019-07-04 | 2021-01-07 | Robert Bosch Gmbh | Batteriemodul für ein Kraftfahrzeug und Kraftfahrzeug |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4005342A (en) * | 1973-02-15 | 1977-01-25 | Motorola, Inc. | Integrated circuit overvoltage protection circuit |
| FR2453988A1 (fr) * | 1979-04-13 | 1980-11-07 | Citroen Sa | Dispositif de prechauffage pour le demarrage d'un moteur a combustion interne, du type diesel ou analogue |
| DE3603082A1 (de) * | 1986-02-01 | 1987-08-06 | Bosch Gmbh Robert | Vorrichtung zum ruecksetzen von recheneinrichtungen |
| DE3714998A1 (de) * | 1987-05-06 | 1988-11-17 | Bosch Gmbh Robert | Ein-ausgabeschaltung fuer mikroprozessoren |
| JPH076469B2 (ja) | 1987-05-28 | 1995-01-30 | 三菱電機株式会社 | エンジン自動始動方法および装置 |
| JPH02119674A (ja) * | 1988-10-27 | 1990-05-07 | Kubota Ltd | エンジン始動制御装置 |
| JPH0763114A (ja) * | 1993-08-30 | 1995-03-07 | Yamaha Motor Co Ltd | 車両のバッテリ劣化警告装置 |
| DE19811176A1 (de) * | 1997-10-11 | 1999-04-15 | Bosch Gmbh Robert | Anordnung und Verfahren zur Steuerung einer elektrischen Maschine |
| US6285931B1 (en) * | 1998-02-05 | 2001-09-04 | Denso Corporation | Vehicle information communication system and method capable of communicating with external management station |
| JP3849379B2 (ja) * | 1999-11-30 | 2006-11-22 | 株式会社デンソー | エンジン制御装置およびエンジン制御方法 |
| US6438487B1 (en) * | 2001-02-21 | 2002-08-20 | Ford Global Technologies, Inc. | Method and system for determining the operational state of a vehicle starter motor |
-
2000
- 2000-02-10 DE DE10005778A patent/DE10005778A1/de not_active Withdrawn
-
2001
- 2001-01-17 WO PCT/DE2001/000173 patent/WO2001059294A1/de not_active Ceased
- 2001-01-17 EP EP01911355A patent/EP1169569B1/de not_active Expired - Lifetime
- 2001-01-17 JP JP2001558605A patent/JP2003522883A/ja active Pending
- 2001-01-17 US US09/937,894 patent/US6795766B2/en not_active Expired - Fee Related
- 2001-01-17 DE DE50105936T patent/DE50105936D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0159294A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003522883A (ja) | 2003-07-29 |
| DE10005778A1 (de) | 2001-08-16 |
| DE50105936D1 (de) | 2005-05-25 |
| EP1169569B1 (de) | 2005-04-20 |
| US6795766B2 (en) | 2004-09-21 |
| WO2001059294A1 (de) | 2001-08-16 |
| US20020183918A1 (en) | 2002-12-05 |
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