EP0627753B1 - Dispositif de commade du fonctionnement d'un contacteur - Google Patents

Dispositif de commade du fonctionnement d'un contacteur Download PDF

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Publication number
EP0627753B1
EP0627753B1 EP94401158A EP94401158A EP0627753B1 EP 0627753 B1 EP0627753 B1 EP 0627753B1 EP 94401158 A EP94401158 A EP 94401158A EP 94401158 A EP94401158 A EP 94401158A EP 0627753 B1 EP0627753 B1 EP 0627753B1
Authority
EP
European Patent Office
Prior art keywords
contactor
coil
supply
coils
voltage
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
Application number
EP94401158A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0627753A1 (fr
Inventor
Jean-Pierre Goiset
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.)
ANCIENNE ECE
Safran Electronics and Defense Cockpit Solutions SAS
Original Assignee
LEquipement et la Construction Electrique ECE
ECE 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 LEquipement et la Construction Electrique ECE, ECE SAS filed Critical LEquipement et la Construction Electrique ECE
Publication of EP0627753A1 publication Critical patent/EP0627753A1/fr
Application granted granted Critical
Publication of EP0627753B1 publication Critical patent/EP0627753B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
    • H01H47/08—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current by changing number of parallel-connected turns or windings
    • 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 or control means specially adapted for starting of engines
    • F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • 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 or control means specially adapted for starting of engines
    • F02N2011/0881—Components of the circuit not provided for by previous groups
    • F02N2011/0892—Two coils being used in the starting circuit, e.g. in two windings in the starting relay or two field windings in the starter

Definitions

  • the present invention relates to a contactor according to the preamble of claim 1 (see FR-A-2 611 981).
  • the take-up coil and the holding coil are generally connected in series with each other and a switch is connected in parallel to the terminals of the holding coil to cause the activation. short-circuit of this coil during a first operating phase of the contactor after it has tripped.
  • the holding coil short-circuiting switch is opened so that it is connected in series with the take-up coil in order to reduce the current flowing in these coils.
  • this structure has a certain number of drawbacks, in particular in terms of the obligation to provide this short-circuiting switch for one of the coils and the dimensioning of these to obtain the different operating characteristics, in particular of travel time of the moving element towards its active position and towards its retracted position and limited heating of the coils.
  • the document FR-A-2,611,981 describes and represents a motor vehicle starting relay which comprises several coils in parallel which are supplied successively in order to limit the appeal force. Initially, a single coil is controlled, then two, then three coils, only the first coil remaining supplied for maintaining the relay in the event of a drop in the supply voltage. This document therefore teaches that it is known to order several coils separately in parallel, in particular simultaneously during the call phase, but this document does not deal with the problem of maintaining the relay in the event of a drop in the voltage d 'food.
  • the document EP-A-0164.014 describes and represents a signaling relay which can operate under two different voltages, that is to say a high voltage which can vary between 20 and 26.5 volts and a low voltage which can vary between 10.5 and 13.5 Volts.
  • a resistor which can be shunted by a switch, is connected in series with the relay. The document does not indicate that the relay can have multiple control coils. If the voltage is low, which is detected by a comparator, the switch is closed and the relay is supplied directly. If the voltage is high, the closing of the switch is controlled by a monostable flip-flop and the duration of the flip-flop pulse transmitted by an OR circuit is such that the operation of the relay is ensured. Then, the relay is supplied in series with the resistor whose value is chosen so as to maintain the minimum holding voltage on the relay. This document therefore does not in any way deal with the problem of maintenance in the event of a drop in the supply voltage.
  • This problem is particularly important for starter relays because the current absorbed by the starter is very high, which causes a significant voltage drop.
  • the object of the invention is therefore to solve these problems.
  • the subject of the invention is a contactor according to claim 1.
  • a holding coil short-circuiting switch designated by the general reference 3, is provided in parallel on this coil.
  • these call and holding coils are connected in series between a supply terminal and the collector of a supply transistor designated by the general reference 4 in this figure, this collector being connected to a positive terminal of the power supply through a resistor 5.
  • the emitter of this transistor is connected to ground and its base receives a control signal from control means designated by the general reference 6, receiving information on inputs control units designated by reference 7.
  • the control means have a conventional structure based for example on an information decoding controller.
  • a protection member is connected in parallel on the call and holding coils and is designated by the general reference 8.
  • the moving part of the contactor is then drawn to its active position.
  • the short-circuiting switch 3 After a determined time, greater than the time necessary for the moving element to reach the active position, the short-circuiting switch 3 is open so that the holding coil 2 is connected in series with the coil call 1 to reduce the current flowing in these coils.
  • the contactor is supplied by a direct voltage, VAlim, whose nominal value is 28 Volts and which can vary in large proportions, for example from 10 to 32 V.
  • VAlim direct voltage
  • the call coil is supplied by a 40 mS current slot with a voltage of 28 V and a temperature of 20 ° C.
  • the admissible accuracy for this time period depends on the value of the voltage (10 to 32 V.) and the temperature, which can vary for example between -55 ° C and + 85 ° C.
  • the inrush current is equal to 1 A for the nominal voltage of 28 V and a temperature of 20 ° C while the holding current under the same conditions is only 250 mA.
  • the lower threshold voltage below which the call coil is reactivated is fixed between 12 V and 12.5 V and the upper threshold voltage above which the call coil is deactivated when it was reactivated is fixed between 14 V and 14.5 V.
  • the contactor control voltage, VCde must be at least 3 V for a supply voltage, VAlim, which must be greater than 18 V. This is obtained by means of an AND logic gate which receives two inputs signals representative of the value of the control and supply voltages and controls the delivery of the supply niche of the call coil indicated above. If the control voltage falls below this value of 3 V, the economizer control device according to the invention controls the opening of the contactor.
  • the operation of the contactor is summarized in FIG. 3 in the case of a drop in the supply voltage and then in the case of a increase in this voltage following a drop.
  • the following table provides the different setting values depending on the operating temperature.
  • the conventional structure as shown in Figure 1 has a number of drawbacks due to the use of a short-circuiting switch for the holding coil and the need to oversize the coils and in particular the take-up coil in order to cause a rapid displacement of the moving assembly towards its active position insofar as during this phase of operation, the retaining coil does not participate in this displacement .
  • this conventional structure also presents problems of heating of the coils and a low capacity for adaptation to large variations in the supply voltage of the contactor.
  • the contactor according to the invention solves these problems.
  • FIG. 2 A block diagram of this device is shown in Figure 2, in which elements similar to those shown in Figure 1 are designated by the same reference numbers.
  • the means for controlling the supply of the coils comprise separate means for controlling the supply of the latter.
  • one of the terminals of each coil 1, 2 is connected to a supply terminal, while the other terminal of each of these is connected to the collector a transistor 9,10 respectively, these collectors being connected to a supply terminal through resistors 11 and 12.
  • the emitters of these transistors are connected to ground and the bases of these are connected to pilot outputs of the control means 6 as a function of the logic control information 7.
  • Protection members 13 and 14 are connected in parallel to the terminals of the coils.
  • control means also receive, as input, supply voltage information from the contactor, as will be described in more detail below.
  • the separate control means for supplying the coils can be adapted to simultaneously supply the call and holding coils when the operation of the contactor is triggered, in order to accelerate the movement of the moving element to its active position.
  • the supply to the call coil 1 is then cut off after a determined time greater than the time for the moving equipment to move to its active position by checking the operation of the transistor 9.
  • this call coil 1 can again be supplied in the event of a determined voltage drop in the supply voltage of the contactor, voltage drop which would risk causing the mobile assembly to return to its retracted position.
  • the control means 6 permanently monitor the supply voltage of the contactor and trigger the supply of the call coil when this voltage drops below a determined threshold, which occurs in particular in the event of a high load of the rest of the circuit.
  • the supply of the call coil in the event of a significant drop in the supply voltage of the contactor makes it possible to significantly reduce the current in the holding coil and consequently the volume of copper in the coils as well as the volume of iron of the magnetic circuit of this contactor.
  • this structure also makes it possible to ensure a greater speed of movement of the movable assembly on the one hand from its retracted position to its active position and on the other hand, from its active position to its retracted position, because lower energy stored in the coils.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Relay Circuits (AREA)
  • Control Of Electrical Variables (AREA)
  • Control Of Electric Motors In General (AREA)
  • Keying Circuit Devices (AREA)
  • Switches With Compound Operations (AREA)
  • Vending Machines For Individual Products (AREA)
EP94401158A 1993-06-01 1994-05-25 Dispositif de commade du fonctionnement d'un contacteur Expired - Lifetime EP0627753B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9306508 1993-06-01
FR9306508A FR2706071B1 (fr) 1993-06-01 1993-06-01 Dispositif de commande du fonctionnement d'un contacteur.

Publications (2)

Publication Number Publication Date
EP0627753A1 EP0627753A1 (fr) 1994-12-07
EP0627753B1 true EP0627753B1 (fr) 1996-05-08

Family

ID=9447607

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94401158A Expired - Lifetime EP0627753B1 (fr) 1993-06-01 1994-05-25 Dispositif de commade du fonctionnement d'un contacteur

Country Status (7)

Country Link
EP (1) EP0627753B1 (es)
JP (1) JP2898201B2 (es)
AT (1) ATE137885T1 (es)
CA (1) CA2124630C (es)
DE (2) DE627753T1 (es)
ES (1) ES2064298T3 (es)
FR (1) FR2706071B1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502004007189D1 (de) 2003-03-26 2008-07-03 Luk Lamellen & Kupplungsbau Vorrichtung und Verfahren zur Steuerung eines Parksperren-Haltemagneten eines Kraftfahrzeuggetriebes
DE102010003485A1 (de) * 2010-03-30 2011-10-06 Robert Bosch Gmbh Schaltvorrichtung, Startvorrichtung und Verfahren einer elektromagnetischen Schaltvorrichtung
EP2696362B1 (de) * 2012-08-10 2017-03-22 Eaton Electrical IP GmbH & Co. KG Steuervorrichtung für ein Schaltgerät mit getrennter Anzug- und Haltespule

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3409513A1 (de) * 1984-03-15 1985-09-19 Hager Electro GmbH + Co, 6601 Ensheim Elektromagnetische anordnung, insbesondere in einem schaltgeraet
EP0164014B1 (de) * 1984-05-29 1988-08-24 Siemens Aktiengesellschaft Anordnung zur Anregung von Relais
KR900009058B1 (ko) * 1987-02-25 1990-12-17 미쓰비시전기 주식회사 전자 스위치 장치

Also Published As

Publication number Publication date
JPH0773793A (ja) 1995-03-17
JP2898201B2 (ja) 1999-05-31
FR2706071B1 (fr) 1995-07-07
ES2064298T3 (es) 1996-08-16
CA2124630C (fr) 1999-08-31
ATE137885T1 (de) 1996-05-15
FR2706071A1 (fr) 1994-12-09
DE69400172T2 (de) 1996-12-19
CA2124630A1 (fr) 1994-12-02
ES2064298T1 (es) 1995-02-01
EP0627753A1 (fr) 1994-12-07
DE627753T1 (de) 1995-07-06
DE69400172D1 (de) 1996-06-13

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