EP0174490A2 - Dispositif pour commander l'alimentation en énergie d'un élément chauffant - Google Patents

Dispositif pour commander l'alimentation en énergie d'un élément chauffant Download PDF

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Publication number
EP0174490A2
EP0174490A2 EP85109770A EP85109770A EP0174490A2 EP 0174490 A2 EP0174490 A2 EP 0174490A2 EP 85109770 A EP85109770 A EP 85109770A EP 85109770 A EP85109770 A EP 85109770A EP 0174490 A2 EP0174490 A2 EP 0174490A2
Authority
EP
European Patent Office
Prior art keywords
switch
voltage
switching device
battery voltage
points
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
EP85109770A
Other languages
German (de)
English (en)
Other versions
EP0174490A3 (fr
Inventor
Martin Reinold
Peter Schmidt
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
Publication of EP0174490A2 publication Critical patent/EP0174490A2/fr
Publication of EP0174490A3 publication Critical patent/EP0174490A3/fr
Ceased 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
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
    • F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
    • F02P19/021—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs characterised by power delivery controls
    • 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
    • F02P19/00—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition
    • F02P19/02—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs
    • F02P19/025—Incandescent ignition, e.g. during starting of internal combustion engines; Combination of incandescent and spark ignition electric, e.g. layout of circuits of apparatus having glowing plugs with means for determining glow plug temperature or glow plug resistance

Definitions

  • the invention is a device for controlling the supply of energy to a hot spot, in particular in connection with internal combustion engines, according to the preamble of the main claim.
  • a switching device for example a relay. So that the glow plug can be protected against overheating, it is possible to simulate the temperature behavior of the glow plug using appropriate circuitry measures. Depending on this temperature behavior, the switching device is then switched on and off in such a way that the energy of the glow plug that is necessary for optimal operating behavior of the glow plug is supplied. For example, the switching on and off points of the switching device can be done directly be defined by certain upper and lower limit temperatures of the glow plug.
  • the device according to the invention for controlling the energy supply to a hot spot with the features of the main claim has the advantage over the prior art described that with the help of a simple and inexpensive circuit, the optimal control of the energy supply to a glow plug is possible. This is achieved in that the switch-on and switch-off points of a switching device which determines the energy supply to the glow plug depend on a desired mean glow plug voltage which is applied to the glow plug and at which the glow plug has a certain known temperature.
  • the exemplary embodiment described is a device for controlling the supply of energy to a hot point, in particular in connection with internal combustion engines.
  • the device described can be used quite generally in all possible types of internal combustion engines.
  • the device described is also not limited to special configurations of the hot spot.
  • Other changes in the circuitry structure of the following exemplary embodiment common to the person skilled in the art, as well as the special embodiment of the individual elements of the circuit, are covered by the invention formulated in the claims.
  • any switching device 10 and a glow plug 11 form a series connection from a battery voltage U Batt to ground.
  • the switching device 10 is controlled by a control operational amplifier 15, with further electronic components also being located between this operational amplifier 15 and the switching device 10 can be located.
  • the resistors 20, 21, 22 and 23 form a series connection to ground.
  • the resistor 20 is variable and the inverting input of the drive operational amplifier 15 is linked to the connection point of the resistors 20 and 21.
  • the non-inverting input of the control operational amplifier 15, however, is connected to the output signal of a clock generator 30.
  • the clock generator 30 consists of an operational amplifier 31, from the output of which the variable resistor 32 leads to its inverting input, and the resistor 33 to its non-inverting input. Furthermore, the clock generator 30 comprises the series connection of the two resistors 34 and 35 from a stabilized voltage U rod to ground, the connection point of the two resistors 34 and 35 being connected to the non-inverting input of the operational amplifier 31, as well as the capacitance 36 which is connected between the inverting input of the operational amplifier 31 and ground.
  • the output signal of the clock generator 30, which is denoted by 37, is taken from the inverting input of the operational amplifier 31.
  • the output signal of an operational amplifier 40 is linked to the connection point of the two resistors 21 and 22, while the output signal of an operational amplifier 41 is connected to the connection point of the two resistors 22 and 23.
  • a resistor is also connected from the output of the two operational amplifiers to their respective non-inverting inputs, namely the resistor 43 in the operational amplifier 40 and the resistor 44 in the operational amplifier 41.
  • the resistors 45 and 46 form a series circuit from the stabilized voltage U rod to ground. The junction of these two resistors 45 and 46 is connected to the inverting inputs of operational amplifiers 40 and 41.
  • the resistors 47, 48 and 49 also form a series connection to ground, the connection point of the two resistors 47 and 48 being connected to the non-inverting input of the operational amplifier 40, while the connection point of the two resistors 48 and 49 is connected to the non-inverting input of the operational amplifier 41 is.
  • the respectively free connection points of the two resistors 20 and 47 are connected to the cathode of a protective diode 50, the anode of which is connected to the battery voltage U Batt .
  • the clock generator 30 is a multivibrator known per se, which outputs a triangle-like voltage at its output 37.
  • a DC voltage is present at the inverting input of the control operational amplifier 15, the size of which depends on the battery voltage U Batt and the set value of the variable resistor 20.
  • the control operational amplifier 15 now compares the AC voltage present at its non-inverting input with the DC voltage of its inverting input. The points of intersection of the AC voltage with the DC voltage define the switching points of the output signal of the operational amplifier 15.
  • the switching device 10 is opened and closed depending on the two voltages applied to the operational amplifier 15, more precisely the switching device is closed when the AC voltage is greater is as the DC voltage, or is the switching device ge opens when the AC voltage is less than the DC voltage. If the battery voltage U Batt ' now changes, for example the battery voltage U Batt decreases, the potential at the inverting input of the control operational amplifier 15 also decreases. This has the consequence that the AC voltage is greater than the DC voltage for a longer time, which means that the Switching device 10 is closed for a longer time than before. The battery voltage U Batt , which has become smaller, is thus compensated for by a longer on-time of the switching device 10.
  • the average glow plug voltage U KEM applied to the glow plug 11 is therefore kept constant even when the battery voltage U Batt fluctuates.
  • Said central, l ühkerze at the G-fitting glow plug voltage U KEM can be freely selected and set by means of the variable resistor 20th
  • the battery voltage U Batt 12 V in a control device of the type described according to the invention.
  • the user only has to make sure that the battery voltage U Batt does not deviate from the aforementioned 12 V during this setting.
  • the battery voltage U Batt fluctuates after the setting tion, the on-off duration of the switching device 10 always changes in such a way that the mean glow plug voltage U KEM applied to the glow plug 11 is constantly 9 V.
  • U KEM U Batt
  • the two resistors 45 and 46 define the switching thresholds of the two operational amplifiers 40 and 41. If the battery voltage U Batt has a high value, then the two operational amplifiers 40 and 41 also have a high potential at their respective outputs, since the voltage value supplied to the two operational amplifiers 40 and 41 with the aid of the resistors 47, 48 and 49 is greater than said switching threshold. If the battery voltage U Batt now becomes smaller and smaller, the operational amplifier 41 switches its output signal to ground at a certain point in time which can be predetermined by the connection of the operational amplifier 41. this has with the result that no more voltage drops across the resistor 23, and thus the potential at the inverting input of the drive operational amplifier 15 becomes greater.
  • This voltage jump in the DC voltage at the inverting input of the operational amplifier 15 simultaneously changes the on-off duration ratio of the switching device 10 in such a way that the on-duration increases by a certain value and thus the mean glow plug voltage U KEM is influenced. If the battery voltage U Batt drops further, the operational amplifier 40 also switches its output to ground, as a result of which the potential at the inverting input of the operational amplifier 15 jumps further upward, and the duty cycle of the switching device 10 is thereby increased further.
  • the circuitry of the two operational amplifiers 40 and 41 especially the selection of the switching points of the two operational amplifiers mentioned, is chosen so that the mean glow plug voltage U KEM deviates as little as possible from the selected value. An attempt is therefore made to use the two switched operational amplifiers 40 and 41 to change the actually linear circuit-technical relationship between the glow plug voltage U KEM and the battery voltage U Batt to a "quadratic behavior".
  • the repetition frequency of the clock generator 30 which is kept constant, during the operation of the control device according to the invention.
  • the change can be made as a function of the operating parameters of the internal combustion engine. It is particularly advantageous to influence the change in the repetition frequency of the clock generator 30 with regard to the smallest possible fluctuation range of the battery voltage U Batt .
  • control device according to the invention is not limited to special glow plugs, switching devices, and the circuitry shown, nor is it restricted to specific internal combustion engines.
  • control device according to the invention can also be used in all operating states of the internal combustion engine.

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)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Resistance Heating (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Air Conditioning Control Device (AREA)
EP85109770A 1984-09-12 1985-08-03 Dispositif pour commander l'alimentation en énergie d'un élément chauffant Ceased EP0174490A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3433367 1984-09-12
DE19843433367 DE3433367A1 (de) 1984-09-12 1984-09-12 Einrichtung zur steuerung der energiezufuhr zu einer heissen stelle

Publications (2)

Publication Number Publication Date
EP0174490A2 true EP0174490A2 (fr) 1986-03-19
EP0174490A3 EP0174490A3 (fr) 1986-10-29

Family

ID=6245152

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85109770A Ceased EP0174490A3 (fr) 1984-09-12 1985-08-03 Dispositif pour commander l'alimentation en énergie d'un élément chauffant

Country Status (4)

Country Link
US (1) US4669430A (fr)
EP (1) EP0174490A3 (fr)
JP (1) JPS6170171A (fr)
DE (1) DE3433367A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996019664A1 (fr) * 1994-12-22 1996-06-27 J. Eberspächer Gmbh & Co. Circuit de commande pour element incandescent
EP1493969A3 (fr) * 2003-07-03 2008-03-26 J. Eberspächer GmbH & Co. KG Procédé de fonctionnement d'un élément d'allumage par incandescence d'une installation de chauffage pour véhicules au démarrage de l'installation

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3701838A1 (de) * 1987-01-23 1988-08-04 Hella Kg Hueck & Co Vorrichtung zum schonen von relaiskontakten
DE3737745A1 (de) * 1987-11-06 1989-05-18 Bosch Gmbh Robert Verfahren und vorrichtung zur regelung der temperatur insbesondere von gluehkerzen
DE3739600A1 (de) * 1987-11-23 1989-06-01 Robbe Modellsport Gmbh Selbstzuendende verbrennungskraftmaschine
US4939347A (en) * 1987-12-17 1990-07-03 Jidosha Kiki Co., Ltd. Energization control apparatus for glow plug
JPH02153264A (ja) * 1988-12-05 1990-06-12 Fujitsu Ten Ltd グロープラグの制御装置
US4925386A (en) * 1989-02-27 1990-05-15 Emerson Electric Co. Fuel burner control system with hot surface ignition
US4944260A (en) * 1989-06-05 1990-07-31 Cummins Electronics, Inc. Air intake heater system for internal combustion engines
US5094198A (en) * 1991-04-26 1992-03-10 Cummins Electronics Company, Inc. Air intake heating method and device for internal combustion engines
WO1993009346A1 (fr) * 1991-10-31 1993-05-13 Nartron Corporation Regulateur d'une bougie de prechauffage
GB9316402D0 (en) * 1993-08-06 1993-09-22 Ford Motor Co Operation of electrical heating elements
US6040560A (en) * 1996-10-22 2000-03-21 Philip Morris Incorporated Power controller and method of operating an electrical smoking system
DE10028073C2 (de) * 2000-06-07 2003-04-10 Beru Ag Verfahren und Schaltungsanordnung zum Aufheizen einer Glühkerze
US6789744B2 (en) 2002-01-29 2004-09-14 Valeo Electrical Systems, Inc. Fluid heater with a variable mass flow path
US6912357B2 (en) 2002-01-29 2005-06-28 Valeo Electrical Systems, Inc. Fluid heater
US6952524B2 (en) 2002-11-27 2005-10-04 Valeo Electrical Systems, Inc. Fluid heater temperature balancing apparatus
US6981480B2 (en) * 2002-12-12 2006-01-03 International Engine Intellectual Property Company, Llc Reducing pre-cycle warm-up for electronic components
US6782196B1 (en) 2003-02-28 2004-08-24 Valeo Electrical Systems, Inc. Fluid heater with freeze protection
US6850699B2 (en) * 2003-02-28 2005-02-01 Valeo Electrical Systems, Inc. Fluid heater temperature control apparatus and method
US6839509B2 (en) * 2003-02-28 2005-01-04 Valeo Electrical Systems, Inc. Fluid heater control apparatus and method with overtemperature protection
US6889005B2 (en) * 2003-04-04 2005-05-03 Valeo Electrical Systems, Inc. Fluid heater with compressible cover freeze protection
US7190893B2 (en) * 2003-06-27 2007-03-13 Valeo Electrical Systems, Inc. Fluid heater with low porosity thermal mass
US20050019028A1 (en) * 2003-07-25 2005-01-27 Karl-Heinz Kuebler Fluid heater with integral heater elements
US20050047768A1 (en) * 2003-08-29 2005-03-03 Valeo Electrical Systems, Inc. Fluid heater with integral heater element ground connections
US7258092B2 (en) * 2003-09-30 2007-08-21 International Engine Intellectual Property Company, Llc Apparatus and method for pre-cycle warm-up via wireless communication
DE10348391B3 (de) * 2003-10-17 2004-12-23 Beru Ag Verfahren zum Glühen einer Glühkerze für einen Dieselmotor
DE102004016856A1 (de) * 2004-04-06 2005-10-27 Hella Kgaa Hueck & Co. Verfahren zur Ansteuerung einer Glüheinrichtung für ein Zusatzheizgerät eines Kraftfahrzeuges
ATE519780T1 (de) 2005-12-28 2011-08-15 Novo Nordisk As Ein acyliertes insulin und zink enthaltende zusammensetzungen und verfahren zur herstellung dieser zusammensetzungen
WO2008110143A1 (fr) * 2007-03-09 2008-09-18 Beru Ag Procédé et dispositif de commande d'excitation de bougie de préchauffage
EP2123901B1 (fr) * 2008-05-21 2013-08-28 GM Global Technology Operations LLC Procédé de commande du fonctionnement de la bougie de préchauffage dans un moteur diesel
DE102008035039B4 (de) * 2008-07-26 2011-08-25 Beru AG, 71636 Verfahren zum Bestromen einer Glühkerze
CN102202683A (zh) 2008-10-30 2011-09-28 诺沃-诺迪斯克有限公司 用少于每日一次的注射频率注射胰岛素来治疗糖尿病
US9068752B2 (en) * 2010-02-22 2015-06-30 General Electric Company Rapid gas ignition system
BR112013010345A2 (pt) 2010-10-27 2017-07-25 Novo Nordisk As tratamento de diabetes melitus usando as injeções de insulina administradas com intervalos de variação da injeção
EP2653714A4 (fr) * 2010-12-16 2016-03-16 Bosch Corp Procédé de commande de l'activation d'une bougie de préchauffage, et appareil de commande de l'activation d'une bougie de préchauffage
JP5660612B2 (ja) * 2011-01-12 2015-01-28 ボッシュ株式会社 グロープラグ先端温度推定方法及びグロープラグ駆動制御装置
DE102012102013B3 (de) * 2012-03-09 2013-06-13 Borgwarner Beru Systems Gmbh Verfahren zur Regelung der Temperatur einer Glühkerze
EP2991672A1 (fr) 2013-04-30 2016-03-09 Novo Nordisk A/S Schéma d'administration d'un nouveau type
DE102017115946A1 (de) * 2017-07-14 2019-01-17 Borgwarner Ludwigsburg Gmbh Verfahren zum Regeln der Temperatur einer Glühkerze
US10335464B1 (en) 2018-06-26 2019-07-02 Novo Nordisk A/S Device for titrating basal insulin

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307689A (en) * 1979-09-05 1981-12-29 Champion Spark Plug Company Glow plug control circuit
JPS572471A (en) * 1980-06-04 1982-01-07 Hitachi Ltd Diesel engine starter circuit
JPS5934435A (ja) * 1982-08-19 1984-02-24 Nippon Soken Inc グロ−プラグ制御装置

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JPS5730428Y2 (fr) * 1978-06-30 1982-07-03
CA1132661A (fr) * 1979-02-14 1982-09-28 Rodney Hayden Senseur resistif
JPS578360A (en) * 1980-06-19 1982-01-16 Diesel Kiki Co Ltd Glow plug preheating controller
JPS6053798B2 (ja) * 1981-06-10 1985-11-27 株式会社ボッシュオートモーティブ システム グロ−プラグ予熱制御装置
JPS5865976A (ja) * 1982-07-16 1983-04-19 Diesel Kiki Co Ltd グロ−プラグ予熱制御装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307689A (en) * 1979-09-05 1981-12-29 Champion Spark Plug Company Glow plug control circuit
JPS572471A (en) * 1980-06-04 1982-01-07 Hitachi Ltd Diesel engine starter circuit
JPS5934435A (ja) * 1982-08-19 1984-02-24 Nippon Soken Inc グロ−プラグ制御装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, Band 6, Nr. 61 (M-123) [939], 20. April 1982; & JP-A-57 002 471 (HITACHI SEISAKUSHO K.K.) 07-01-1982 *
PATENT ABSTRACTS OF JAPAN, Band 8, Nr. 132 (M-303) [1569], 20. Juni 1984; & JP-A-59 034 435 (NIPPON JIDOSHA BUHIN SOGO KENKYUSHO K.K.) 24-02-1984 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996019664A1 (fr) * 1994-12-22 1996-06-27 J. Eberspächer Gmbh & Co. Circuit de commande pour element incandescent
EP1493969A3 (fr) * 2003-07-03 2008-03-26 J. Eberspächer GmbH & Co. KG Procédé de fonctionnement d'un élément d'allumage par incandescence d'une installation de chauffage pour véhicules au démarrage de l'installation

Also Published As

Publication number Publication date
EP0174490A3 (fr) 1986-10-29
DE3433367A1 (de) 1986-03-20
US4669430A (en) 1987-06-02
JPS6170171A (ja) 1986-04-10

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