EP1961280A1 - Optimierung der erregungsfrequenz eines resonators - Google Patents

Optimierung der erregungsfrequenz eines resonators

Info

Publication number
EP1961280A1
EP1961280A1 EP06842109A EP06842109A EP1961280A1 EP 1961280 A1 EP1961280 A1 EP 1961280A1 EP 06842109 A EP06842109 A EP 06842109A EP 06842109 A EP06842109 A EP 06842109A EP 1961280 A1 EP1961280 A1 EP 1961280A1
Authority
EP
European Patent Office
Prior art keywords
frequency
control signal
interface
resonator
relationships
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
Application number
EP06842109A
Other languages
English (en)
French (fr)
Other versions
EP1961280B1 (de
Inventor
Andre Agneray
Julien Couillaud
Clément Nouvel
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Publication of EP1961280A1 publication Critical patent/EP1961280A1/de
Application granted granted Critical
Publication of EP1961280B1 publication Critical patent/EP1961280B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F02P23/00—Other ignition
    • F02P23/04—Other physical ignition means, e.g. using laser rays

Definitions

  • the invention relates to the supply of a resonator by voltages greater than 200 V and frequencies greater than 1 MHz and in particular the supply of resonators used in controlled ignitions.
  • resonators For a plasma-generation automotive ignition application, resonators whose resonant frequency is greater than 1 MHz are arranged at the spark plug and are typically supplied with voltages greater than 200 V and subjected to an intensity greater than 1OA.
  • This application requires the use of radio frequency resonators having a high quality factor and a high voltage generator whose operating frequency is very close to the resonance frequency of the resonator.
  • the higher the quality factor of the resonator the higher the operating frequency of the generator must be close to its resonant frequency.
  • the invention aims to solve this drawback.
  • the invention thus proposes a device for controlling a power supply of a radiofrequency ignition of a combustion engine, comprising:
  • a memory module storing relationships between measurement signals and the frequency of a control signal to be generated
  • a module determining the frequency of a control signal to be generated as a function of measurement signals received on the reception interface and relationships stored in the memory module;
  • the invention also relates to a radiofrequency ignition supply, comprising: a control device as described above;
  • a supply circuit having a switch controlled by the control signal of the control device, the switch applying an intermediate voltage to an output of the circuit power supply at the frequency defined by the control signal.
  • the invention further relates to an ignition system, comprising: - a power supply as described above;
  • a resonator having a resonant frequency greater than 1 MHz, connected to the output of the supply circuit and comprising two electrodes, the resonator being able to generate a plasma between the two electrodes when a high voltage level is applied on the output of the supply circuit.
  • FIG. 1 illustrates an ignition system incorporating a control device according to the invention
  • FIG. 2 schematically illustrates a control device according to the invention.
  • the invention proposes a device for controlling a power supply of a radiofrequency ignition of a combustion engine.
  • the control device takes into account the operating parameter measurement signals of the combustion engine and determines the frequency of the ignition control signal to be generated as a function of relationships stored between measurement signals and the frequency of the control signal.
  • this Frequency will be maintained very precisely at a value close to the resonance frequency of the resonator. Frequency loop control is thus performed in an open loop.
  • FIG. 1 illustrates an ignition system 1, comprising a control device 2 according to the invention.
  • the control device 2 is connected to an amplifier 3.
  • the amplifier 3 is connected to the gate of a power MOSFET transistor 4.
  • the transistor 4 acts as a switch controlled by the control signal of the device 2.
  • the switch 4 is intended to allow the application of a high level of voltage between the terminals of the electrodes at a frequency defined by the control signal.
  • a series resonator 5 is connected between the drain of transistor 4 and a ground.
  • the resonator 5 comprises a resistor 51 in series with an inductance 52, and a resistor 53 in parallel with a capacitance 54.
  • the resistors 51 and 53 are equivalent resistances resulting in particular from the imperfection of the capacitors 52 and 54. 7 and 8 are connected across the capacitor 54.
  • a resonant circuit 6 is connected between an intermediate voltage source and the drain of the transistor 4. This circuit 6 comprises an inductor 61 and a capacitor 62.
  • the device 2 comprises an interface 21 for receiving signals for measuring operating parameters of the combustion engine.
  • Engine operating parameters measured include engine oil temperature, engine coolant temperature, engine torque, engine speed, ignition angle, intake air temperature. pressure at the collector, atmospheric pressure or pressure in the combustion chamber. These types of measurements can be carried out in a manner known per se by a person skilled in the art.
  • the device 2 furthermore comprises an interface 22 for receiving signals for measuring operating parameters of the power supply, receiving for example a measurement of the voltage at the terminals of the electrodes or a measurement of the intermediate voltage applied to the circuit 6.
  • the device 2 comprises a memory module 26 in which are stored relations between the measurement signals and the frequency of a control signal to be generated. These relationships can be established based on pre-tests.
  • the memory module 26 can store the relationships as a function associating predetermined measurement signals with a single control signal frequency. For example, a linear function or a polynomial function can be extrapolated according to the results of prior tests on a resonator by varying the different parameters taken into account.
  • the memory module can also store the relationships as a multidimensional array having as input measurement signals.
  • the module 26 stores relationships providing a control frequency according to a temperature measurement in the vicinity of the resonator 5 and measurements of electrical operating parameters of the power supply. These relationships can be established based on prior tests establishing the effect of temperature on the resonance frequency of the resonator 5.
  • the device 2 comprises a module 25 determining the frequency of the control signal to be generated as a function of the measurement signals received and the relationships stored in the memory 26.
  • the frequency of the control signal is supplied by the module 25 to a module 27, applying the control signal at said frequency on an output interface 24.
  • the module 27 is for example a clock generator appropriately chosen by those skilled in the art.
  • the programming interface 23 makes it possible to receive and execute commands for modifying the relationships or parameters of the resonator stored in the memory module 26.
  • the programming interface 23 can notably be a wireless communication interface. Thus, it is conceivable to update the relationships stored in the module 26. Thus, if a better knowledge of the behavior of the resonator is acquired, the operation of the ignition system can be optimized after delivery.
  • the programming interface 23 makes it possible to program the module 26 from electrical parameter values (for example the resonance frequency) of a resonator 5 measured at the factory.
  • a code The bar may be associated with the resonator 5 to code the determined electrical parameter values, this bar code being read to write these values in the module 26 when the resonator is connected to the device 2. Thus, the manufacturing dispersions of the resonators 5 will not affect the accuracy of the generated control frequency.
  • the ignition system typically comprises a series resonator 5 whose frequency is greater than 1

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
EP06842109.8A 2005-12-15 2006-12-06 Optimierung der erregungsfrequenz eines resonators Not-in-force EP1961280B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0512770A FR2895170B1 (fr) 2005-12-15 2005-12-15 Optimisation de la frequence d'excitation d'un resonateur
PCT/FR2006/051298 WO2007071867A1 (fr) 2005-12-15 2006-12-06 Optimisation de la frequence d'excitation d'un resonateur

Publications (2)

Publication Number Publication Date
EP1961280A1 true EP1961280A1 (de) 2008-08-27
EP1961280B1 EP1961280B1 (de) 2015-08-19

Family

ID=36950487

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06842109.8A Not-in-force EP1961280B1 (de) 2005-12-15 2006-12-06 Optimierung der erregungsfrequenz eines resonators

Country Status (10)

Country Link
US (1) US8006546B2 (de)
EP (1) EP1961280B1 (de)
JP (1) JP5196657B2 (de)
KR (1) KR101353439B1 (de)
CN (1) CN101326862B (de)
BR (1) BRPI0619884A2 (de)
FR (1) FR2895170B1 (de)
MX (1) MX2008007667A (de)
RU (1) RU2378805C1 (de)
WO (1) WO2007071867A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2913297B1 (fr) * 2007-03-01 2014-06-20 Renault Sas Optimisation de la generation d'une etincelle d'allumage radio-frequence
FR2914530B1 (fr) * 2007-03-28 2014-06-20 Renault Sas Pilotage optimal a la frequence de resonance d'un resonateur d'un allumage radiofrequence.
FR2917505B1 (fr) * 2007-06-12 2009-08-28 Renault Sas Diagnostic de l'etat d'encrassement des bougies d'un systeme d'allumage radiofrequence
FR2919901B1 (fr) * 2007-08-08 2010-02-26 Renault Sas Dispositif de generation de plasma radiofrequence
EP2058909B1 (de) * 2007-11-08 2012-02-01 Delphi Technologies, Inc. Resonatoranordnung
FR2928240B1 (fr) * 2008-02-28 2016-10-28 Renault Sas Optimisation de la frequence d'excitation d'une bougie radiofrequence.
FR2934942B1 (fr) * 2008-08-05 2010-09-10 Renault Sas Controle de la frequence d'excitation d'une bougie radiofrequence.
FR2935759B1 (fr) * 2008-09-09 2010-09-10 Renault Sas Dispositif de mesure du courant d'ionisation dans un systeme d'allumage radiofrequence pour un moteur a combustion interne
FR2959071B1 (fr) 2010-04-16 2012-07-27 Renault Sa Bougie d'allumage equipee de moyens de prevention des courts-circuits
JP6086443B2 (ja) * 2011-07-16 2017-03-01 イマジニアリング株式会社 内燃機関
EP2805376B1 (de) * 2012-03-21 2016-12-14 Siemens Aktiengesellschaft Resonatoranordnung und verfahren zum anregen eines resonators
FR3000141A1 (fr) * 2012-12-26 2014-06-27 Renault Sa Procede de gestion d'un moteur, vehicule equipe d'un groupe motopropulseur mettant en œuvre le procede, et programme informatique associes audit procede
FR3000142B1 (fr) * 2012-12-26 2018-01-26 Renault S.A.S Procede de gestion d'un moteur ajustant la tension de fonctionnement d'une bougie d'allumage radiofrequence
WO2016113707A1 (en) * 2015-01-16 2016-07-21 PAVARIN, Daniele A device intrinsically designed to resonate, suitable for rf power transfer as well as group including such device and usable for the production of plasma
US9828967B2 (en) * 2015-06-05 2017-11-28 Ming Zheng System and method for elastic breakdown ignition via multipole high frequency discharge

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Publication number Priority date Publication date Assignee Title
FR2649759B1 (fr) * 1989-07-13 1994-06-10 Siemens Bendix Automotive Elec Dispositif d'allumage pour moteur a combustion interne
JPH0514565U (ja) * 1991-08-01 1993-02-26 日産デイーゼル工業株式会社 筒内噴射式内燃機関の点火制御装置
US5568801A (en) * 1994-05-20 1996-10-29 Ortech Corporation Plasma arc ignition system
JPH08200190A (ja) * 1995-01-18 1996-08-06 Technova:Kk 内燃機関点火装置
US5636620A (en) * 1996-05-22 1997-06-10 General Motors Corporation Self diagnosing ignition control
DE19643785C2 (de) * 1996-10-29 1999-04-22 Ficht Gmbh & Co Kg Elektrische Zündvorrichtung, insbesondere für Brennkraftmaschinen, und Verfahren zum Betreiben einer Zündvorrichtung
FR2827916B1 (fr) * 2001-07-25 2003-10-31 Inst Francais Du Petrole Procede pour controler les parametres d'allumage d'une bougie d'allumage pour moteur a combustion interne et dispositif d'allumage utilisant un tel procede
FR2859869B1 (fr) 2003-09-12 2006-01-20 Renault Sa Systeme de generation de plasma.
US7242195B2 (en) * 2004-02-10 2007-07-10 General Electric Company Integral spark detector in fitting which supports igniter in gas turbine engine
JP4876217B2 (ja) 2005-09-20 2012-02-15 イマジニアリング株式会社 点火装置、内燃機関

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
WO2007071867A1 (fr) 2007-06-28
FR2895170A1 (fr) 2007-06-22
CN101326862B (zh) 2012-06-27
FR2895170B1 (fr) 2008-03-07
MX2008007667A (es) 2008-11-27
CN101326862A (zh) 2008-12-17
US8006546B2 (en) 2011-08-30
JP5196657B2 (ja) 2013-05-15
JP2009519404A (ja) 2009-05-14
KR20080076932A (ko) 2008-08-20
BRPI0619884A2 (pt) 2011-10-25
US20090165764A1 (en) 2009-07-02
KR101353439B1 (ko) 2014-01-20
RU2378805C1 (ru) 2010-01-10
EP1961280B1 (de) 2015-08-19

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