EP1400684A2 - Circuit pour vanne électromagnétique de purge commandé par modulation par largeur d'impulsions pour ventiler le réservoir d'un véhicule - Google Patents

Circuit pour vanne électromagnétique de purge commandé par modulation par largeur d'impulsions pour ventiler le réservoir d'un véhicule Download PDF

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Publication number
EP1400684A2
EP1400684A2 EP03015410A EP03015410A EP1400684A2 EP 1400684 A2 EP1400684 A2 EP 1400684A2 EP 03015410 A EP03015410 A EP 03015410A EP 03015410 A EP03015410 A EP 03015410A EP 1400684 A2 EP1400684 A2 EP 1400684A2
Authority
EP
European Patent Office
Prior art keywords
circuit arrangement
pulse width
arrangement according
valve
width modulated
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
EP03015410A
Other languages
German (de)
English (en)
Other versions
EP1400684A3 (fr
EP1400684B1 (fr
Inventor
Torsten Gerlich
Christopher Klatt
Ralf Heinrich
Christof Klesen
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.)
Eagle Actuator Components GmbH and Co KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Publication of EP1400684A2 publication Critical patent/EP1400684A2/fr
Publication of EP1400684A3 publication Critical patent/EP1400684A3/fr
Application granted granted Critical
Publication of EP1400684B1 publication Critical patent/EP1400684B1/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
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/08—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
    • F02M25/0836—Arrangement of valves controlling the admission of fuel vapour to an engine, e.g. valve being disposed between fuel tank or absorption canister and intake manifold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
    • H01F7/1811—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current demagnetising upon switching off, removing residual magnetism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F2007/1888—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings using pulse width modulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • H01F7/1844—Monitoring or fail-safe circuits

Definitions

  • the invention relates to a circuit arrangement for a pulse width modulated controllable electromagnetic regeneration valve for tank ventilation of a Motor vehicle, comprising a voltage source for supplying the magnetic coil of the regeneration valve with electrical energy, a control unit for Generation of pulse width modulated signals and a switching device via which the magnetic coil with the pulse width modulated signals of the control unit can be acted upon.
  • the armature In the energized State, the armature lifts the sealing element by the magnetic force of the coil against the spring force of the closing spring from the sealing seat and thereby gives the Flow opening free.
  • the valve In the de-energized state, the sealing element by the closing spring on the Sealing seat pressed, the valve is in closed position.
  • the control of the regeneration valve via the engine control, the according to the respective load state of the internal combustion engine each determined maximum meterable air-fuel mass flow and in a corresponding control signal converts.
  • the regeneration valve is doing in the Usually clocked (pulse width modulated) controlled and gives, depending on the from the motor control each predetermined duty cycle, different Dosage amounts discontinuously from. Under duty cycle is in this context the ratio between the total period of time, d. H. the period duration of the opened and closed valve, to the period of the opened valve understood.
  • the clocked regeneration valve in so-called proportional operation to operate.
  • the clock frequency will be chosen so high that the Valve can no longer follow the oscillating excitation and instead respectively remains in a position corresponding to the respective mean coil current.
  • a disadvantage of the known regeneration valves of the type described above is that it is both clocked and pulse width modulated proportional operation to an undesirable noise comes, so far could not be prevented yet.
  • the object of the invention is a circuit arrangement for an electromagnetic To provide a regeneration valve for tank ventilation of a motor vehicle, by means of which the noise development in both clocked and in the Reduce proportional operation significantly.
  • this means is a so-called freewheeling diode, the Magnet coil is connected in parallel.
  • the regeneration valve in the Wegunsan extract invention in proportional mode with a pulse frequency between 20 Hz and 200 Hz activated. It has been shown that in the commonly used clocked proportional valves, the valve characteristic (mass flow depending of pulse duration) with an increase of the pulse frequency steeper and becomes non-linear, which leads to a deterioration of the dosing accuracy. This behavior can be explained by the fact that on the one hand by the inductance the coil slows down the current buildup in the coil and the other the inertia of the mass to be moved is overcome. With increasing Pulse frequency is thus a higher coil current to open the valve gap required.
  • the pulse frequency is preferably in proportional operation about 50 Hz. It has been shown that this frequency is already sufficient, a quasi-proportional operation, in which always flows a coil current and thus the valve anchor does not strike to ensure.
  • the circuit arrangement according to the invention has the advantage that currently be left in motor vehicles existing control electronics What can be considered as a significant cost advantage, as a use of the Circuit arrangement in existing series nothing precludes.
  • the inventive Circuitry is for both the clocked as well as for can be used for proportional operation.
  • Fig. 1 shows the block diagram of the control of the regeneration valve.
  • the magnetic circuit of the valve is represented by the resistance R Sp and the inductance L Sp .
  • Parallel to this, the freewheeling diode D f used according to the invention is shown.
  • the power transistor, in which a diode D s is integrated for protection purposes, is controlled by control pulses of constant frequency and variable pulse width and thus switches the battery or vehicle electrical system voltage U b to the valve.
  • the control is usually via the engine control.
  • the pulse width modulated control of a solenoid valve and in particular in a motor vehicle is known per se and often described, which is why at this point not further discussed.
  • Fig. 2 shows an example of the course of the current in the magnetic coil at a Pulse frequency of 50 Hz in proportional mode and a) without freewheeling diode at a duty cycle of 20%, b) with freewheeling diode at a duty cycle of 20% and c) with a duty cycle of 90% with freewheeling diode.
  • the power dissipation with freewheeling diode is significantly slowed down.
  • the coil current is always greater than 0.
  • At a duty cycle of 20% a) without freewheeling diode is the behavior compared to the freewheeling diode b) is much rougher.
  • the anchor returns very quickly to the Resting back, which apparently due to the massive noise is. It is evident even in the embodiment with diode Very gentle closing behavior of the valve, the noise. is significantly reduced. With a duty cycle of 90% with freewheeling diode c) it does not come to closing the valve. This leads to a complete Freedom from noise.
  • circuit arrangement according to the invention does not only in proportional mode at high pulse frequencies to a significant noise reduction leads, but due to the slow current reduction after a pulse even in clocked operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetically Actuated Valves (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
  • Control Of Linear Motors (AREA)
EP03015410A 2002-09-20 2003-07-09 Circuit pour vanne électromagnétique de purge commandé par modulation par largeur d'impulsions pour ventiler le réservoir d'un véhicule Expired - Lifetime EP1400684B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10243956 2002-09-20
DE10243956A DE10243956A1 (de) 2002-09-20 2002-09-20 Schaltungsanordnung für ein pulsweitenmoduliert ansteuerbares elektromagnetisches Regenerierventil zur Tankentlüftung eines Kraftfahrzeugs

Publications (3)

Publication Number Publication Date
EP1400684A2 true EP1400684A2 (fr) 2004-03-24
EP1400684A3 EP1400684A3 (fr) 2006-12-06
EP1400684B1 EP1400684B1 (fr) 2012-10-31

Family

ID=31896268

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03015410A Expired - Lifetime EP1400684B1 (fr) 2002-09-20 2003-07-09 Circuit pour vanne électromagnétique de purge commandé par modulation par largeur d'impulsions pour ventiler le réservoir d'un véhicule

Country Status (5)

Country Link
US (1) US20040105209A1 (fr)
EP (1) EP1400684B1 (fr)
JP (1) JP2004116522A (fr)
CA (1) CA2441249C (fr)
DE (1) DE10243956A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013092169A1 (fr) * 2011-12-20 2013-06-27 Robert Bosch Gmbh Dispositif de commande de soupapes à commande électrique en différents modes de fonctionnement

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110017178A1 (en) 2009-07-21 2011-01-27 Mcdonald William Keith Canister purge control valve control systems
DE102015218684A1 (de) * 2015-09-29 2017-03-30 Robert Bosch Gmbh Verfahren zur Regenerierung eines Aktivkohlefilters einer Tankentlüftungsanlage und Tankentlüftungsanlage für ein Kraftfahrzeug mit einer Einzylinder-Brennkraftmaschine
EP3442819B1 (fr) * 2016-04-15 2024-02-28 Eaton Intelligent Power Limited Solénoïde imperméable à la vapeur pour environnement de vapeur de carburant
FR3090185A1 (fr) * 2018-12-17 2020-06-19 Valeo Systeme De Controle Moteur Dispositif electromecanique comportant un systeme d'attenuation du bruit
CN109686616B (zh) * 2019-01-21 2020-04-28 广东美的制冷设备有限公司 继电器驱动电路和空调器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703737A (en) * 1986-07-31 1987-11-03 Bendix Electronics Limited Vapor control valve and system therefor
DE4205563A1 (de) * 1992-02-22 1993-08-26 Pierburg Gmbh Elektromagnetspule fuer ventile
DE29600866U1 (de) * 1996-01-19 1996-03-07 Festo Kg, 73734 Esslingen Schaltungsanordnung zur Steuerung von Magnetventilen
DE19511743A1 (de) * 1995-03-31 1996-10-02 Micron Electronics Devices Gmb Elektrischer Schaltkreis zum Ansteuern eines wenigstens eine Magnetspule aufweisenden magnetischen Aktuators sowie Magnetventil mit einem solchen Schaltkreis
FR2797022A1 (fr) * 1999-07-30 2001-02-02 Sagem Electrovanne et dispositif de commande en comportant application

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US3588291A (en) * 1969-12-05 1971-06-28 Mechanical Tech Inc Resonant piston pumps
US4796853A (en) * 1987-12-22 1989-01-10 General Motors Corporation Remotely configurable solenoid driver circuit for direct pressure electronic transmission control
US4915204A (en) * 1988-04-29 1990-04-10 Chrysler Corporation Push/pull clutch apply piston of an automatic transmission
US4851959A (en) * 1988-07-25 1989-07-25 Eastman Kodak Company Solenoid engagement sensing circuit
CA2044994C (fr) * 1990-06-21 1999-09-14 Frank Whitney Shacklock Regulation de la temperature de l'eau dans une laveuse automatique par modulation de largeur d'impulsions
DE4205963A1 (de) * 1992-02-27 1993-09-02 Kuka Wehrtechnik Gmbh Panzerhaubitze
US5261382A (en) * 1992-09-22 1993-11-16 Coltec Industries Inc. Fuel injection system
US5550701A (en) * 1994-08-30 1996-08-27 International Rectifier Corporation Power MOSFET with overcurrent and over-temperature protection and control circuit decoupled from body diode
EP0826105B1 (fr) * 1995-05-19 2000-03-08 Siemens Canada Limited Systeme de purge de reservoir a vapeur a commande de vanne de purge perfectionnee
DE19619399A1 (de) * 1996-05-14 1997-11-20 Telefunken Microelectron Schaltvorrichtung mit einem Leistungs-FET und einer induktiven Last
US5815362A (en) * 1996-12-04 1998-09-29 Westinghouse Air Brake Company Pulse width modulated drive for an infinitely variable solenoid operated brake cylinder pressure control valve
DE19652391A1 (de) * 1996-12-17 1998-06-18 Pierburg Ag Ansteuerschaltung für eine Elektromagnetspule
US6256185B1 (en) * 1999-07-30 2001-07-03 Trombetta, Llc Low voltage direct control universal pulse width modulation module

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703737A (en) * 1986-07-31 1987-11-03 Bendix Electronics Limited Vapor control valve and system therefor
DE4205563A1 (de) * 1992-02-22 1993-08-26 Pierburg Gmbh Elektromagnetspule fuer ventile
DE19511743A1 (de) * 1995-03-31 1996-10-02 Micron Electronics Devices Gmb Elektrischer Schaltkreis zum Ansteuern eines wenigstens eine Magnetspule aufweisenden magnetischen Aktuators sowie Magnetventil mit einem solchen Schaltkreis
DE29600866U1 (de) * 1996-01-19 1996-03-07 Festo Kg, 73734 Esslingen Schaltungsanordnung zur Steuerung von Magnetventilen
FR2797022A1 (fr) * 1999-07-30 2001-02-02 Sagem Electrovanne et dispositif de commande en comportant application

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013092169A1 (fr) * 2011-12-20 2013-06-27 Robert Bosch Gmbh Dispositif de commande de soupapes à commande électrique en différents modes de fonctionnement
CN103999172A (zh) * 2011-12-20 2014-08-20 罗伯特·博世有限公司 用于在不同的运行方式下操控可电操作的阀的装置
US9502198B2 (en) 2011-12-20 2016-11-22 Robert Bosch Gmbh Device for controlling electrically actuable valves in different operating modes
CN103999172B (zh) * 2011-12-20 2017-03-08 罗伯特·博世有限公司 用于在不同的运行方式下操控可电操作的阀的装置

Also Published As

Publication number Publication date
US20040105209A1 (en) 2004-06-03
CA2441249C (fr) 2007-06-05
EP1400684A3 (fr) 2006-12-06
EP1400684B1 (fr) 2012-10-31
JP2004116522A (ja) 2004-04-15
CA2441249A1 (fr) 2004-03-20
DE10243956A1 (de) 2004-04-15

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