EP0807312A1 - Circuit pour relais d'engrenement - Google Patents

Circuit pour relais d'engrenement

Info

Publication number
EP0807312A1
EP0807312A1 EP96900260A EP96900260A EP0807312A1 EP 0807312 A1 EP0807312 A1 EP 0807312A1 EP 96900260 A EP96900260 A EP 96900260A EP 96900260 A EP96900260 A EP 96900260A EP 0807312 A1 EP0807312 A1 EP 0807312A1
Authority
EP
European Patent Office
Prior art keywords
operating current
relay
circuit arrangement
auxiliary relay
arrangement according
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
EP96900260A
Other languages
German (de)
English (en)
Other versions
EP0807312B1 (fr
Inventor
Siegfried Schustek
Manfred Ackermann
Gerd Kirsten
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 EP0807312A1 publication Critical patent/EP0807312A1/fr
Application granted granted Critical
Publication of EP0807312B1 publication Critical patent/EP0807312B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/04—Parameters used for control of starting apparatus said parameters being related to the starter motor
    • F02N2200/047—Information about pinion position
    • 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
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/06—Parameters used for control of starting apparatus said parameters being related to the power supply or driving circuits for the starter
    • F02N2200/065—Relay current

Definitions

  • the invention relates to a circuit arrangement for an engagement relay according to the preamble of claim 1.
  • the high current (starter current which is required for starting an internal combustion engine by means of a starter) is, for example, up to approx. 1000 A in the case of passenger cars.
  • the current flowing through the relay coil of the engagement relay during the start is approx. 80 to 100 A.
  • this current which is relatively small compared to the starter current, is still too large to be activated directly via a starter switch (ignition lock) or to be switched via an electronic control unit.
  • the circuit arrangement according to the invention with the features mentioned in claim 1 offers the advantage that the auxiliary relay can be optimized, that is, in particular, can be reduced in size, so that the available installation space can also be reduced. Due to the fact that a control and / or regulating circuit influencing the operating current of the auxiliary relay is provided, it is advantageously possible to influence the operating current of the auxiliary relay in dependence on selectable criteria in such a way that for each operating state of the auxiliary relay only this actually takes on the necessary size so that the power loss occurring at the auxiliary relay is reduced as much as possible. This makes it possible to integrate the auxiliary relay into the engagement relay, so that a compact structural unit is created.
  • the control circuit provides a clocked one Contains control or current control circuit, the level of the operating current depending on certain operating states of the auxiliary relay being determinable via the clock frequency and / or the duty cycle.
  • the power loss of the auxiliary relay is reduced by means of this optimal adaptation of the operating current to the operating state of the auxiliary relay. This results in particular from a reduction in the operating current after the armature of the auxiliary relay has picked up or it has just started its movement along the movement path.
  • an optimal, controlled clocking of the operating current of the auxiliary relay enables the setting of a constantly large average operating current under different operating conditions, in particular different temperature conditions. It should be taken into account that at different temperatures, on the one hand, the characteristic curve of a return spring for the armature of the auxiliary relay and, on the other hand, the magnetization behavior of the auxiliary relay and the ohmic resistance of the coil change, with the result that the operating current of the auxiliary also changes relay changes.
  • the coil of the auxiliary relay is usually dimensioned according to the maximum operating current that occurs.
  • the auxiliary relay by controlling the operating current of the auxiliary relay according to the invention, it is possible to provide the auxiliary relay with a smaller, to operate constant large clocked operating current means so that the different operating conditions can be taken into account by choosing a current setpoint of a clock frequency and / or the clock ratio. As a result, the coil can now be designed for the maximum current at the highest operating temperature.
  • Figure 1 schematically shows a block diagram of a circuit arrangement according to the invention
  • FIG. 2 is a diagram of the course of
  • FIG. 3 shows some signal curves for different to 6 duty cycles of the clocked operating current of the auxiliary relay
  • FIGS 7 and 8 a second embodiment of the invention
  • FIG. 1 shows a circuit arrangement, designated as a whole by 10, for an ar.
  • the circuit arrangement 10 has a switch-on element 12, for example Zür-cschio or Starttschaiter, which is connected to an electronic one.
  • Control unit 14 is connected.
  • the electronic control unit 14 has a control circuit 16 for an auxiliary relay 15 connected to the control unit 14.
  • the control circuit 16 is further associated with a temperature detection circuit 20 which is connected here ⁇ .i temperature sensors not shown here, which are arranged in the vicinity of the auxiliary relay 1c or in the engine compartment.
  • the control circuit 16 contains a trigger stage IS operating as a Schmitt trigger, the response values a) and b) of which can be changed and which. Feel the current profile at the output of control unit 14.
  • the control unit 14 has further circuit parts, which are not relevant here, which are necessary for the functioning of the motor vehicle. Switching contacts of the auxiliary relay 18, not shown here, are connected to the windings of an engagement relay 22, whose switching contacts, also not shown, switch the main circuit of a starter device 24 on and off.
  • the mode of operation of the circuit arrangement 10 is to be briefly explained on the basis of the merely schematic representation.
  • the switching contacts of the auxiliary relay 18 connect the relay coil of the engagement relay 22 to an operating voltage, so that the armature of the engagement relay 22 is the main current contact the starting device 24 closes and connects it to a voltage source, in the motor vehicle generally the motor vehicle battery.
  • the relatively high starter current which can be approximately 1000 A, flows through the main current contacts of the starting device 24.
  • a switching current of approximately 80 to 100 A flows via the switching contacts of the auxiliary relay 18, which connects the relay coil of the engagement relay 22 to the voltage source up to 40 A.
  • control circuit 16 which on the one hand carries out the timing of the operating circuit: in the control device 14 and on the other hand the lowering of the drive current I, is not to be considered in more detail here.
  • the trigger stage 19 it also contains a time stage t Zeit for switching the trigger stage from the higher response values ai and bl for switching off (a1) and switching on (bl) the operating current Ij. s t ⁇ - - 1 - never ⁇ their response values a2 and b2.
  • the setpoint of the operating current I is reduced from 25 A to 12 A after t2 ⁇ 30 ms.
  • the time period t2 until the current Lowering is predetermined so that the relay armature surely lifts tl from its rest position at an earlier point in time.
  • the temperature detection circuit 20 makes it possible to lower the limit values of the operating current I s via the variable response values a and b of the trigger stage 19 with increasing temperature.
  • the time t2 until the operating current is reduced can be shortened as the temperature increases. In this way it is possible to compensate for the temperature-dependent friction of the moving relay armature and, if necessary, a temperature-dependent spring force of the armature return spring.
  • FIGS. 3 to 6 show signal profiles for the clocking of the operating current I.
  • the signal curve can be represented here by exact square-wave signals with a precise duty cycle, that is to say the clock frequency.
  • the control circuit 16 can, for example, contain function generators designed accordingly.
  • FIG. 3 for example at a clock frequency of 2 kHz, the signal curve is shown with a 30% duty cycle, that is to say related to a time unit (Period) the operating current I is switched on in 30% of this time unit, while it is switched off for the remaining 70%.
  • FIG. 4 there is a signal curve with a 60% duty cycle
  • FIG. 5 a signal curve with a .
  • the pulse duty factor can be changed as a function of certain operating parameters of the auxiliary relay 18.
  • the duty cycle can be changed as a function of an operating temperature of the auxiliary relay 18 in order to maintain the predetermined operating current.
  • the lowering of the operating current I can be achieved by reducing the duty cycle and can be changed as a function of temperature.
  • a trigger stage 19 of the control circuit 16 can be used to apply the operating current I to an auxiliary relay 18 in the moment of activation for approximately 30 seconds with a 60% clocking, in the example of a selected duty cycle, while at time t2 (FIG. 2 ) the duty cycle is changed to 30%.
  • the energy requirement of the coil of the auxiliary relay 18 can thus be drastically reduced by simply generating the square-wave signals of the trigger stage 19.
  • the clocking of the operating current I can be adapted in a simple manner to the respective operating conditions become.
  • the pulse duty factor can be 90% at the moment of switching on, while it is switched to 50% at time t2.
  • the clocking can take place with 100% at the moment of switching on, while at time t2, a switchover to a 60-second clocking takes place.
  • the point in time t2 for the switchover of the duty cycle can also be influenced.
  • the time t2 can be 30 msec
  • the time t2 can be 25 msec
  • for a heated auxiliary relay 18 the time t2 can be 15 msec.
  • auxiliary relay 18 can thus be set with a constant mean operating current despite different operating states, in particular different operating temperatures.
  • clocking the operating current I is also - As mentioned - causes a reduction in the power loss of the auxiliary relay 18.
  • auxiliary starter relay it is also possible to reduce the coil winding of the auxiliary relay 18 in the event that no greater spring forces are to be overcome, since overall less energy input is required for the function. Due to the resulting smaller installation space, a better integration of the auxiliary relay 18 into the engagement relay 22 is also possible.
  • the timing of an auxiliary starter relay is not only possible with the aid of the control circuit explained in FIGS. 1 and 2, but can also be implemented with a control and regulating circuit according to FIGS. 7 and 8.
  • the operation of the control relay Ström by a controller 17 via a clock pulse stage in the control unit 14 'clocked such that the adjusting is in proportion to the average current timing is controlled to ei ⁇ nen predetermined desired value so n.
  • the actual value of the operating current I j . s t sensed.
  • the setpoint can now be lowered as a function of time after the relay has been switched on or with the help of another sensor 21 depending on the position of the auxiliary relay.
  • the winding is designed so that, for. B. at 0 C and regulation on Isl, a duty cycle of 60% is sufficient for a relay armature movement ⁇ duty cycles with the same relay armature position and Is2 z. B. 40%, at Is3 z. B. 20%).
  • the duty cycle of the relay currents regulated above results in a duty cycle of 100% for Isl (66% for Is2, 33% for Is3) due to the higher winding resistance.
  • the relay current is therefore regulated independently of disturbance variables (such as temperature, battery voltage etc.), but depending on the state of the relay armature (e.g. position, speed) and the magnetic force requirement.
  • the controller automatically sets the duty cycle correctly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Relay Circuits (AREA)
  • Motor And Converter Starters (AREA)
  • Control Of Direct Current Motors (AREA)

Abstract

L'invention concerne un circuit pour relais d'engrènement destiné à un dispositif de démarrage d'un moteur à combustion interne, présentant un relais auxiliaire actionnant une bobine de relais pour le relais d'engrènement. Il est prévu un circuit de commande et/ou de régulation (16) affectant, et notamment synchronisant, le courant de régime (I) du relais auxiliaire (18) en vue d'une réduction de la puissance dissipée.
EP96900260A 1995-02-03 1996-01-09 Circuit pour relais d'engrenement Expired - Lifetime EP0807312B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19503536 1995-02-03
DE19503536A DE19503536A1 (de) 1995-02-03 1995-02-03 Schaltungsanordnung für ein Einrückrelais
PCT/DE1996/000019 WO1996024149A1 (fr) 1995-02-03 1996-01-09 Circuit pour relais d'engrenement

Publications (2)

Publication Number Publication Date
EP0807312A1 true EP0807312A1 (fr) 1997-11-19
EP0807312B1 EP0807312B1 (fr) 1998-09-16

Family

ID=7753102

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96900260A Expired - Lifetime EP0807312B1 (fr) 1995-02-03 1996-01-09 Circuit pour relais d'engrenement

Country Status (6)

Country Link
US (1) US5818679A (fr)
EP (1) EP0807312B1 (fr)
JP (1) JPH11503862A (fr)
CN (1) CN1057860C (fr)
DE (2) DE19503536A1 (fr)
WO (1) WO1996024149A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19702932A1 (de) * 1997-01-28 1998-07-30 Bosch Gmbh Robert Schaltungsanordnung für ein Einrückrelais
DE19843861A1 (de) * 1998-09-25 2000-04-27 Bosch Gmbh Robert Verfahren und System zur Steuerung und/oder Regelung von Betriebsabläufen bei einem Kraftfahrzeug
US6493204B1 (en) 1999-07-09 2002-12-10 Kelsey-Hayes Company Modulated voltage for a solenoid valve
US6477026B1 (en) 2000-07-05 2002-11-05 Case Corporation Single package solenoid having control circuit
IT1320679B1 (it) * 2000-09-29 2003-12-10 Fiat Ricerche Dispositivo di controllo di un elettromagnete di comando di unavalvola di dosaggio di un iniettore di combustibile per un motore a
US20050275993A1 (en) * 2004-06-15 2005-12-15 Phillips Terry G System and method for detecting failure of a relay based circuit
FI121281B (fi) * 2007-11-20 2010-09-15 Abloy Oy Sähkömekaanisen lukon solenoidin ohjain
FR2925977B1 (fr) * 2007-12-26 2010-04-16 Renault Sas Dispositif de commande pour un solenoide, demarreur electrique l'incorporant, et procedes de commande correspondants.
DE102008001750A1 (de) * 2008-05-14 2009-11-19 Robert Bosch Gmbh Starter für eine Brennkraftmaschine
JP4893779B2 (ja) 2009-05-21 2012-03-07 株式会社デンソー スタータ制御装置
CN102377375B (zh) * 2010-07-12 2014-03-12 思科普有限责任公司 用于电动机的启动装置
WO2015177919A1 (fr) * 2014-05-23 2015-11-26 三菱電機株式会社 Dispositif de pilotage d'électroaimant
CN107924786B (zh) * 2016-03-17 2019-05-10 富士电机机器制御株式会社 电磁接触器的操作线圈驱动装置
DE102017223106A1 (de) * 2017-12-18 2019-06-19 Robert Bosch Gmbh Startvorrichtung für Brennkraftmaschinen sowie Verfahren zum Betrieb einer solchen
CN110286620B (zh) * 2019-06-15 2021-06-22 深圳市瑞鼎电子有限公司 电控制器件通断控制方法、存储介质、控制装置及继电器

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
DE3047488A1 (de) * 1980-12-17 1982-07-22 Brown, Boveri & Cie Ag, 6800 Mannheim Elektronische schaltungsanordnung fuer ein elektromagnetisches schaltgeraet
DE3543017C1 (de) * 1985-12-05 1987-02-05 Meyer Hans Wilhelm Schaltungsanordnung zur periodischen Ansteuerung eines Elektromagneten
US4729056A (en) * 1986-10-02 1988-03-01 Motorola, Inc. Solenoid driver control circuit with initial boost voltage
JPH0633748B2 (ja) * 1986-11-19 1994-05-02 三菱電機株式会社 補助回転式スタ−タ装置
KR900009058B1 (ko) * 1987-02-25 1990-12-17 미쓰비시전기 주식회사 전자 스위치 장치
JPS63147563U (fr) * 1987-03-18 1988-09-28
JPH0195574U (fr) * 1987-12-15 1989-06-23
EP0392058A1 (fr) * 1989-04-13 1990-10-17 Siemens Aktiengesellschaft Circuit de commande d'au moins un relais électromagnétique
US5053911A (en) * 1989-06-02 1991-10-01 Motorola, Inc. Solenoid closure detection
JP2522060B2 (ja) * 1989-06-14 1996-08-07 いすゞ自動車株式会社 エンジン始動装置

Non-Patent Citations (1)

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Title
See references of WO9624149A1 *

Also Published As

Publication number Publication date
DE59600570D1 (de) 1998-10-22
CN1172549A (zh) 1998-02-04
JPH11503862A (ja) 1999-03-30
DE19503536A1 (de) 1996-08-08
EP0807312B1 (fr) 1998-09-16
CN1057860C (zh) 2000-10-25
WO1996024149A1 (fr) 1996-08-08
US5818679A (en) 1998-10-06

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