EP0857865B1 - Zünd- und Einspritzsteuervorrichtung für die Brennkraftmaschine eines Kraftfahrzeuges - Google Patents
Zünd- und Einspritzsteuervorrichtung für die Brennkraftmaschine eines Kraftfahrzeuges Download PDFInfo
- Publication number
- EP0857865B1 EP0857865B1 EP98102293A EP98102293A EP0857865B1 EP 0857865 B1 EP0857865 B1 EP 0857865B1 EP 98102293 A EP98102293 A EP 98102293A EP 98102293 A EP98102293 A EP 98102293A EP 0857865 B1 EP0857865 B1 EP 0857865B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ignition
- unit
- control unit
- injection control
- injection
- 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
Links
- 238000002347 injection Methods 0.000 title claims abstract description 35
- 239000007924 injection Substances 0.000 title claims abstract description 35
- 238000002485 combustion reaction Methods 0.000 title claims description 7
- 239000003990 capacitor Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
- F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
- F02P15/006—Ignition installations combined with other systems, e.g. fuel injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue
Definitions
- the invention relates to an ignition and injection control device for the internal combustion engine of a motor vehicle with an ignition unit and an injection control unit, which with the central machine control are connected.
- Such an ignition and injection control device is off EP 0 640 762 A1 or JP 07166945 A. she serves on the one hand for the ignition of the fuel mixture in the Cylinders of the internal combustion engine over the arranged there Spark plugs and on the other hand for fuel injection into the internal combustion engine at the appropriate times to care.
- the ignition unit and the injection control unit as separate units with their own Power supply provided.
- the known device Due to the separate arrangement of the ignition unit and the Injection control unit each with its own power supply
- the known device has the disadvantage of a high one Susceptibility to failure due to the large number of electrical connection points.
- the assembly effort on the production line Side of the motor vehicle manufacturer is very large and arises from the separate power supplies represent a considerable cost disadvantage.
- the object underlying the invention is therefore therein, the ignition and injection control device of the entry mentioned type so that they have a low susceptibility to failure Has.
- This object is achieved according to the invention by a power supply solved, on which the vehicle electrical system voltage is and that the increased supply voltages compared to the vehicle electrical system voltage for the ignition unit and the injection control unit delivers each.
- the ignition unit and the injection control unit including theirs Power supplies from the power supply to an assembly module summarized what the number of electrical contacts significantly reduced and thereby a lower susceptibility to failure of the Device guaranteed.
- the ignition and injection control device has the further advantage that the assembly and wiring effort on the production line of the motor vehicle manufacturer is less that due to the training in the form of an assembly module the logistic effort is lower because there is no handling of Cables and components are required, and that due to the common voltage supply of the ignition unit and the injection control unit the power supply creates a cost advantage.
- the only figure shows the schematic diagram of the Embodiment of the device according to the invention.
- the ignition and injection control device shown in the drawing 9 for the internal combustion engine of a motor vehicle those with spark plugs 7 and injection valves 8 is equipped, comprises an ignition unit 3 and an injection control unit 2, each with the spark plugs 7 and the injection valves 8 are connected and control them.
- the ignition unit 3 usually contains a charging capacitor, a transformer or an ignition coil, semiconductor power switch etc. as well as a spark plug connector to the spark plugs 7 and possibly an evaluation circuit for ignition diagnosis and misfire detection.
- a charging capacitor for charging the charging capacitor are at today's shunt-proof ignition concepts based on from HKZ or AC voltage ignitions compared to the vehicle electrical system voltage increased voltages of 60 to 500 V are required.
- the injection control unit 2 also requires control of the injection valves 8 with piezo capacitors Compared to the vehicle electrical system voltage, the charging voltage is increased by 60 up to 500 V.
- the power section of the injection control unit 2 is directly via a plug-in connection with the injection valves 8 connected.
- the ignition unit 3 and the injection control unit 2 are via a central plug 4 with the central machine control ECU 6 connected for machine management provides.
- the mentioned increased DC voltages from 60 to 500 V for the ignition unit 3 and the injection control unit 2 are supplied by a single power supply 1, which via the central plug 4 is connected to the electrical system 5, the is essentially called the battery voltage of the motor vehicle lies.
- the ignition and trained in the form of an assembly module Injection control device 9 with a single power supply 1, that the supply voltages for the ignition unit 3 and the Injection control unit 2 delivers, is in particular designed such that they can be contacted directly on the machine built-in spark plugs 7 and the injection valves 8 can be plugged on without additional wiring necessary is. If you have problems with the available space in the engine room, however, it may be necessary be the power supply 1 from the rest of the mounting module 9 separate.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
Claims (4)
- Zünd- und Einspritzsteuervorrichtung für die Brennkraftmaschine eines Kraftfahrzeugs mit einer Zündeinheit und einer Einspritzsteuereinheit, die mit der zentralen Maschinensteuerung verbunden sind, gekennzeichnet durch ein Netzgerät (1), an dem die Bordnetzspannung des Kraftfahrzeugs liegt, und das die gegenüber der Bordnetzspannung erhöhten Versorgungsspannungen für die Zündeinheit (3) und die Einspritzsteuereinheit (2) jeweils liefert.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Zündeinheit (3), die Einspritzsteuereinheit (2) und das Netzgerät (1) in Form einer Baueinheit ausgebildet sind.
- Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß sie so ausgebildet ist, daß sie direkt auf die Zündkerzen (7) und die Einspritzventile (8) der Brennkraftmaschine aufsteckbar ist.
- Vorrichtung nach Anspruch 1, 2 oder 3, gekennzeichnet durch einen Zentralstecker (4), über den das Netzgerät (1) mit dem Bordnetz (5) und die Zündeinheit (3) und die Einspritzsteuereinheit (2) mit der zentralen Maschinensteuerung (6) verbunden sind.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19705374 | 1997-02-12 | ||
| DE19705374A DE19705374C2 (de) | 1997-02-12 | 1997-02-12 | Zünd- und Einspritzsteuervorrichtung für die Brennkraftmaschine eines Kraftfahrzeuges |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0857865A2 EP0857865A2 (de) | 1998-08-12 |
| EP0857865A3 EP0857865A3 (de) | 2000-04-26 |
| EP0857865B1 true EP0857865B1 (de) | 2003-07-23 |
Family
ID=7820040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98102293A Expired - Lifetime EP0857865B1 (de) | 1997-02-12 | 1998-02-10 | Zünd- und Einspritzsteuervorrichtung für die Brennkraftmaschine eines Kraftfahrzeuges |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0857865B1 (de) |
| AT (1) | ATE245765T1 (de) |
| DE (2) | DE19705374C2 (de) |
| ES (1) | ES2201346T3 (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4777925A (en) * | 1988-02-22 | 1988-10-18 | Lasota Lawrence | Combined fuel injection-spark ignition apparatus |
| EP0640762B1 (de) * | 1993-08-26 | 1996-10-23 | Siemens Aktiengesellschaft | Zylinder Synchronisation einer Mehrzylinder Brennkraftmaschine durch Detektion eines gezielten Verbrennungsaussetzers |
| JPH07166945A (ja) * | 1993-12-15 | 1995-06-27 | Toyota Motor Corp | 内燃機関の電気系統 |
| JP3326977B2 (ja) * | 1994-08-08 | 2002-09-24 | 国産電機株式会社 | 内燃機関用電源装置 |
| DE29702446U1 (de) * | 1997-02-12 | 1997-04-03 | Beru Ruprecht Gmbh & Co Kg, 71636 Ludwigsburg | Zünd- und Einspritzsteuervorrichtung für die Brennkraftmaschine eines Kraftfahrzeuges |
-
1997
- 1997-02-12 DE DE19705374A patent/DE19705374C2/de not_active Revoked
-
1998
- 1998-02-10 DE DE59809037T patent/DE59809037D1/de not_active Expired - Fee Related
- 1998-02-10 ES ES98102293T patent/ES2201346T3/es not_active Expired - Lifetime
- 1998-02-10 AT AT98102293T patent/ATE245765T1/de not_active IP Right Cessation
- 1998-02-10 EP EP98102293A patent/EP0857865B1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE59809037D1 (de) | 2003-08-28 |
| EP0857865A3 (de) | 2000-04-26 |
| DE19705374C2 (de) | 1999-03-11 |
| DE19705374A1 (de) | 1998-08-27 |
| ES2201346T3 (es) | 2004-03-16 |
| EP0857865A2 (de) | 1998-08-12 |
| ATE245765T1 (de) | 2003-08-15 |
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