EP0913576B1 - Steuerungsvorrichtung für die Stromversorgung eines Anlassers für ein Kraftfahrzeug und Antidiebstahlvorrichtung mit solcher Vorrichtung - Google Patents

Steuerungsvorrichtung für die Stromversorgung eines Anlassers für ein Kraftfahrzeug und Antidiebstahlvorrichtung mit solcher Vorrichtung Download PDF

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Publication number
EP0913576B1
EP0913576B1 EP19980120179 EP98120179A EP0913576B1 EP 0913576 B1 EP0913576 B1 EP 0913576B1 EP 19980120179 EP19980120179 EP 19980120179 EP 98120179 A EP98120179 A EP 98120179A EP 0913576 B1 EP0913576 B1 EP 0913576B1
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EP
European Patent Office
Prior art keywords
pin
rotor body
stable
cam
axis
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
EP19980120179
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English (en)
French (fr)
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EP0913576A1 (de
Inventor
Michel Jouffroy
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.)
Antivols Simplex SA
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Antivols Simplex SA
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Publication of EP0913576A1 publication Critical patent/EP0913576A1/de
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Publication of EP0913576B1 publication Critical patent/EP0913576B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/10—Safety devices not otherwise provided for

Definitions

  • the invention relates to a device for controlling the power supply of a starter of a motor vehicle and a motor vehicle lock provided with such a device.
  • the invention more particularly relates to a device for controlling the power supply of a motor vehicle starter, of the type comprising a rotor body which is rotatably mounted about its axis with respect to a stator body, of the type in which which the rotor body is rotatable between a neutral angular position and a starting angular position in which it causes the electrical supply of an electric starter of a heat engine, passing through an intermediate position, and the type in which the antitheft device comprises a non-return means which, after the rotor body has reached its intermediate position when it passes from its starting position to its neutral position, prevent the rotor body from returning to its position of starting without first going to its neutral position.
  • such locks comprise a rotary latch which, when unlocked with a suitable key, allows actuating an antitheft mechanism which generally allows to immobilize the steering column of the vehicle to make the latter incommutable.
  • the rotor of the lock of the antitheft device is generally connected to an electrical switch so as to control, after unlocking the locking mechanism of the column, the power supply of a number of vehicle electrical circuits. and in particular a starting circuit of the heat engine.
  • the "on" position corresponds to the power supply of the ignition circuit of the engine of the vehicle without which the engine can not operate.
  • the "start" position causes the power supply of an electric starter motor which is capable of rotating the motor shaft of the engine of the vehicle and whose function is to start the engine.
  • the starter which absorbs a lot of current, is intended to work only a few seconds in a row at each request. Indeed, it is better to repeat the startup operation several times if it fails, each start attempt being short-lived.
  • the driver brings, for example with the lock key, the switch rotor from a neutral position, for example the "stop” position or the “accessory” position. “, to the” start “position via the” on “position. After passing through the "start” position, the switch is returned by a return spring to its "on” position.
  • a neutral position for example the "stop” position or the “accessory” position.
  • anti-return means that prevent accidental manipulation may lead to the rupture of one of the mechanical elements necessary for the proper operation of the vehicle.
  • a control device according to the preamble of claim 1, is known to FR-A-2278939 .
  • the object of the invention is to design non-return means which are arranged between the control device manipulated by the driver, namely for example the lock key, and the immobilization mechanism of the column or the switch, and that are both reliable, compact and inexpensive to achieve.
  • the invention proposes a device for controlling the power supply of a motor vehicle starter, of the type comprising a rotor body which is rotatably mounted about its axis with respect to a stator body, type in which the rotor body is likely to rotate between a neutral angular position and a starting angular position in which it causes the electric power supply of an electric starter of a heat engine, passing through an intermediate position, and of the type comprising means of non-return which, after the rotor body has reached its intermediate position when it moves from its starting position to its neutral position, prevent the rotor body from returning to its starting position without first going to its neutral position, and in that that the anti-return means comprise a cam, which is integral in rotation with the rotor body, characterized in that said cam cooperates with a peripheral edge with an elastic pin folded into two branches, in that the pin is at least partially received in a housing provided in the stator body, and in that the cam has a first abutment surface which, when the rotor body
  • the invention also relates to a motor vehicle antitheft provided with a device for controlling the power supply of a starter incorporating any of the preceding characteristics.
  • stator body 10 relative to which is rotatably mounted about an axis A1 a cam-shaped rotor body 12 which is intended to cooperate with a pin 14 housed in a housing 16 of the stator body 10 to form a non-return means for a device for controlling the power supply of a starter (not shown) of a motor vehicle engine.
  • the rotor body 12 is for example in the form of a plate that pivots about the axis A1 facing an axial end face of the stator body 10 into which the housing 16 projects axially forwardly.
  • the rotor body 12 has a peripheral edge 18 whose profile in a direction radial relative to the axis AI varies according to the angular position about this axis.
  • the circular edge 18 is intended to cooperate with the pin 14 to form a non-return means.
  • the pin 14 is folded substantially U or V so as to have two branches 20, 22 and is engaged axially in the housing 16 so for example that the free ends of the branches 20, 22 protrude forward of the face transverse of the stator body 10 into which the housing 16 opens, to be able to cooperate with the peripheral edge 18 of the rotor body 12.
  • the pin 14 When engaged in the housing 16, the pin 14 is compressed so as to bring its two branches 20, 22 closer together.
  • the housing 16 is delimited in the stator body 10 firstly by two lateral edges 24, 26 which, in a transverse plane perpendicular to the axis A1, are oriented so as to define an open V in the direction of the axis A1, the vertex 30 of the V thus formed being arranged radially outwardly of the housing 16.
  • the two lateral edges 24, 26 are substantially symmetrical with respect to a radius coming from the axis A1 passing through the vertex 30 of the V.
  • the angle formed by the two lateral edges of the V is for example between 40 and 60 ° .
  • the housing 16 is further delimited radially inwards by an inner edge 32 which has two sections 34, 36 separated by a radial recess 38.
  • the first section 34 which extends from an inner radial end of the first lateral edge 24, is substantially rectilinear, directed along a perpendicular to the radius coming from the axis A1 and passing through the vertex 30 of the housing 16.
  • the first section 34 extends substantially to this radius.
  • the inner edge 32 then continues through the recess 38, oriented radially inwards, and by the second section 36 of the inner edge 32 which is arranged radially inward with respect to the first section 34 and which joins the second lateral edge. 26 of the dwelling 16.
  • the second portion 36 of the inner edge 32 and the recess 38 delimit a recess 40 of the housing 16 which is arranged radially inward towards the axis A1 and which is farther from the top 30 of the housing 16 than the angle of intersection between the first lateral edge 24 and the first section 34 of the inner edge 32.
  • the pin 14 is intended to be received in the housing 16 so that one of its branches bears against the top of the housing and determines a pivot axis for the whole of the pin 14 while the other 20 of the branches bears elastically against the inner edge 32.
  • the pin 14 can occupy two stable positions in the housing 16.
  • a first position is represented for example on the Figures 4 and 5 while a second stable position is represented at Figures 6 and 7 .
  • the pin 14 is controlled towards one or the other of its stable positions by the rotor body 12 which cooperates by its peripheral edge 18 with the branch 20, said active branch, which bears against the inner edge 32 of the housing 16.
  • the active branch 20 is supported in the angle of the housing formed by the first section 34 of the inner edge 32 and the first lateral edge 24 of the housing 16.
  • the active branch 20 bears against the second lateral edge 26 of the housing 16 and is received in the recess 40 of the housing 16.
  • the active branch 20 is then bearing radially against the second section 36 of the inner edge 32 or, as will be seen later, it can bear against the peripheral edge 18 of the rotor body 12.
  • the pin 14 passes through an unstable equilibrium position which substantially corresponds to the position in which the two branches 20, 22 of the pin 14 are aligned along the radius coming from the axis A1 passing through the top 30 of the housing 16, the active branch 20 then bearing against the first section 34 of the inner edge 32, near the recess 38.
  • the pin 14 is then in a state of maximum compression, that is to say that in this unstable intermediate position, the two branches 20, 22 are closer to each other than when the pin 14 is in one or other of its stable positions.
  • the pin 14 will tend to occupy necessarily either one of its stable positions.
  • the peripheral edge 18, which is capable of cooperating with the active branch 20 of the pin 14, has a series of sectors whose profile varies around the axis A1.
  • the terms “front” and “rear” are used in reference to the direction of rotation of the rotor body 12 with respect to the stator body 10.
  • the sectors of the peripheral edge 18, intended to cooperate with the pin 14, run past the housing 16 so that a sector placed forward scrolls past the housing 16 before a sector placed behind when the rotor body 12 goes from its "stop” position to its "start” position.
  • the peripheral edge 18 thus has a first front sector 42 which is circular with axis A1 and radius R1 and which extends opposite the housing 16 when the rotor body 12 is in the "stop" position as illustrated in FIG. figure 4 .
  • This first sector 42 is extended rearwardly by a flat portion 44 which is oriented such that its distance to the axis A1 decreases when it is traversed from front to back.
  • the flat portion 44 is delimited at the rear by a first front recess 46 which extends substantially radially outwards so as to be turned forward.
  • Behind the front recess 46 extends a rear sector 48 in an arc centered on the axis A1 and radius R2 less than the radius R1 of the front sector 42.
  • the rear sector 48 is delimited rearward by a rear recess 50 which also extends radially outwardly so as to be turned forward.
  • the rear recess 50 extends radially outwardly to a radius R3 greater than the radius R1 of the front sector 42.
  • the radii R1 and R2 of the front 42 and rear 48 sectors of the peripheral edge 18 of the rotor body 12 are chosen so that neither of the two sectors cooperates with the edge active 20 of the pin 14 when it is in its first stable position.
  • the radius R3 of the recess 50 is chosen so that the rear recess 50 forms an abutment surface which cooperates with the active branch 20 to bring the pin 14 from its first to its second stable position as illustrated. to the figure 6 .
  • the active branch 20 of the pin 14 is capable of forming a stop for the rotor body 12 to limit the stroke thereof in the start position. Indeed, the active branch 20 is then tightened in a substantially tangential direction between the second lateral edge 26 of the housing 16 and the recess 50.
  • the respective orientation of the second lateral edge 26 and the recess 50 is such that, caught between these two surfaces, the active arm 20 tends to be biased radially inwards by direction of the second section 36 of the inner edge 32 of the housing 16.
  • the radius R2 of the rear sector 48 of the peripheral edge 18 is such that the active branch 20 of the pin 14 is found bearing radially inwardly against a rear end of the sector 48.
  • the rotor body 12 has traveled about 120 °.
  • the active branch 20 of the pin 14 traverses the flat portion 44 from the rear to the front.
  • the friction forces can bring the active branch 20 slightly backwards by pivoting the pin 14 but the active branch 20 then bears against the recess 38 of the inner edge 32 of the housing 16 which prohibits it in a first time all back back to its first stable position.
  • the active branch 20 is pushed radially outwardly by the flat portion 44 until, when the active branch 20 is in contact of the front end of the flat portion 44 by which the latter connects with the front sector 42, the active branch 20 is pushed radially outward beyond the distance between the axis A1 of the front end of the first section 34 of the inner edge 32, so that, the branch 20 being located radially more outwardly than the recess 38, the latter is no longer an obstacle to the return of the pin 14 to its first stable position.
  • the front end of the flat portion 44 drives the active branch 20 rearwards to its unstable intermediate position, then, as soon as this position is crossed, the active branch 20 slides along the first section 34 to join by bistable effect its first stable position.
  • the intermediate position of the rotor body 10 illustrated in FIG. figure 7 can for example correspond to a "running" position of an electrical switch motor power.
  • the neutral position illustrated to the figure 11 can for example correspond to the position "accessories” or “stop” of such a switch.
  • the invention which has just been described makes it possible to provide particularly reliable and economical anti-return means to implement since they comprise only one specific piece, the pin 14 which is a very economical piece.
  • the stator body 10 and the rotor body 12 may be constituted by any of the parts of a starter power supply control device, or even by any of two rotating parts of a starter motor. anti-theft steering column of a motor vehicle.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Claims (13)

  1. Steuervorrichtung für die elektrische Versorgung eines Kraftfahrzeuganlassers des Typs, der einen Rotorkörper (12) enthält, der drehbar um seine Achse (A1) in Bezug auf einen Statorkörper (10) montiert ist, des Typs, in dem der Rotorkörper (12) sich zwischen einer neutralen Winkelposition und einer Anlasserwinkelposition drehen kann, in der er die elektrische Versorgung eines elektrischen Anlassers eines Verbrennungsmotors bewirkt, indem er durch eine Zwischenposition geht, und des Typs, der Rückkehrverhinderungsmittel enthält, die dann, wenn der Rotorkörper (12) seine Zwischenposition erreicht hat und sich aus seiner Anlasserposition in seine neutrale Position bewegt, den Rotorkörper (12) daran hindern, sich in seine Anlasserposition zurückzudrehen, ohne sich zunächst durch seine neutrale Position zu bewegen, und
    wobei die Rückkehrverhinderungsmittel einen Nocken (12) enthalten, der mit dem Rotorkörper (12) drehfest verbunden ist, dadurch gekennzeichnet, dass der Nocken durch einen Umfangsrand (18) mit einem elastischen Stift zusammenwirkt, der in zwei Schenkel (20, 22) gebogen ist, dass der Stift (14) wenigstens teilweise in einem Aufnahmesitz (16) aufgenommen ist, der im Statorkörper (10) ausgebildet ist, und dass der Nocken (12) eine erste Anschlagoberfläche (50) aufweist, die dann, wenn der Rotorkörper (12) aus seiner neutralen Stellung in seine Anlasserstellung gebracht worden ist, mit einem aktiven Schenkel (20) des Stifts (14) zusammenwirkt, um diesen aus einer ersten stabilen Position in eine zweite stabile Position zu führen, in der der Stift (14) mit einer zweiten Anschlagoberfläche (46) des Nockens zusammenwirken kann, um zu verhindern, dass der Rotorkörper (12) seine Anlasserposition erreicht.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Stift (14) in dem Aufnahmesitz (16) axial in Eingriff ist, derart, dass seine zwei Schenkel (20, 22) durch elastische Kompression in einer im Wesentlichen radialen Richtung einander angenähert sind, und dass der Stift (14) in dem Aufnahmesitz (16) seine zwei stabilen Positionen einnehmen kann, die durch eine instabile Position bei maximaler Kompression der Schenkel (20, 22) des Stifts (14) getrennt sind.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der aktive Schenkel des Stifts (14) in seiner zweiten stabilen Position in Bezug auf die Drehachse (A1) des Rotorkörpers (12) radial weiter innerhalb als in seiner ersten stabilen Position angeordnet ist.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sich der aktive Schenkel (20) des Stifts (14) dann, wenn sich der Stift (14) aus der einen in die andere seiner stabilen Gleichgewichtspositionen bewegt, gegenüber einer Innenkante (32) des Aufnahmesitzes (16) verlagert, die zwei Teilstücke (34, 36) besitzt, die durch einen nach vorn orientierten Rücksprung (38) getrennt sind.
  5. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Aufnahmesitz (16) durch zwei seitliche Ränder (24, 26) begrenzt ist, die in Richtung der Drehachse (A1) des Rotors (12) ein offenes V bilden, und dass der aktive Schenkel (20) des Stifts (14) in jeder seiner stabilen Positionen in einer tangentialen Richtung an einem der seitlichen Ränder (24, 26) anliegt.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass der Stift (14) zwischen seinen zwei stabilen Positionen um einen seiner zwei Arme (22) schwenkt, der radial auswärts am Scheitel (30) des durch die zwei seitlichen Ränder (24, 26) des Aufnahmesitzes (16) gebildeten V abstützend aufgenommen ist.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die zwei stabilen Positionen des Stifts (14) in Bezug auf einen Radius, der durch die Drehachse (A1) des Rotorkörpers (12) und durch den Scheitel (30) des durch die zwei seitlichen Ränder (24, 26) des Aufnahmesitzes (16) gebildeten V verläuft, im Wesentlichen symmetrisch sind.
  8. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Anschlagoberfläche (46) des Nockens (12) längs des Umfangsrandes (18) des Nockens (12) in Drehrichtung des Rotorkörpers (12) aus seiner neutralen Position in seine Anlasserposition vor der ersten Anschlagoberfläche (50) angeordnet ist.
  9. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die zwei Anschlageberflächen (46, 50) des Nockens (12) jeweils durch einen nach vorn orientierten radialen Rücksprung gebildet sind, der im Umfangsrand (18) des Nockens (12) ausgespart ist.
  10. Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die zwei Rücksprünge (46, 50) einen Sektor (48) des Umfangsrandes (18) begrenzen, der radial innerhalb eines Kreisbogens enthalten ist, der auf die Drehachse (A1) des Rotorkörpers (12) zentriert ist und dessen Radius kleiner als der Abstand zwischen dem aktiven Schenkel des Stifts (14) und der Drehachse (A1) des Rotorkörpers (12) ist, wenn der Stift (14) in seiner ersten stabilen Position ist.
  11. Vorrichtung nach einem der Ansprüche 9 oder 10, dadurch gekennzeichnet, dass vor der zweiten Anschlagfläche (46) des Nockens (12) der Umfangsrand einen Rampensektor (44) aufweist, der nach hinten orientiert ist, derart, dass der Stift (14) aus seiner zweiten Position radial auswärts und in Winkelrichtung in seine erste stabile Position zurückgeführt wird, wenn der Rotorkörper (12) aus seiner Zwischenposition in Richtung seiner neutralen Position zurückgeführt wird.
  12. Vorrichtung nach Anspruch 11 in Kombination mit Anspruch 2, dadurch gekennzeichnet, dass vor dem Rampensektor (44) der Umfangsrand (18) des Nockens (12) einen Kreisbogensektor aufweist, der auf die Drehachse (A1) des Rotorkörpers (12) zentriert ist und dessen Durchmesser größer ist als der Abstand zwischen dem aktiven Schenkel (20) des Stifts (14) und der Drehachse (A1) des Rotorkörpers (12), wenn der Stift (14) in seiner instabilen Position mit maximaler Kompression ist, jedoch kleiner ist als der Abstand zwischen dem aktiven Schenkel des Stifts (14) und der Drehachse (A1) des Rotorkörpers (12), wenn der Stift in seiner ersten stabilen Position ist.
  13. Kraftfahrzeugdiebstahlsicherung, dadurch gekennzeichnet, dass sie eine Vorrichtung nach einem der vorhergehenden Ansprüche enthält.
EP19980120179 1997-10-31 1998-10-29 Steuerungsvorrichtung für die Stromversorgung eines Anlassers für ein Kraftfahrzeug und Antidiebstahlvorrichtung mit solcher Vorrichtung Expired - Lifetime EP0913576B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9713821A FR2770587B1 (fr) 1997-10-31 1997-10-31 Dispositif de commande de l'alimentation electrique d'un demarreur de vehicule automobile et un antivol muni d'un tel dispositif
FR9713821 1997-10-31

Publications (2)

Publication Number Publication Date
EP0913576A1 EP0913576A1 (de) 1999-05-06
EP0913576B1 true EP0913576B1 (de) 2009-09-16

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EP19980120179 Expired - Lifetime EP0913576B1 (de) 1997-10-31 1998-10-29 Steuerungsvorrichtung für die Stromversorgung eines Anlassers für ein Kraftfahrzeug und Antidiebstahlvorrichtung mit solcher Vorrichtung

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EP (1) EP0913576B1 (de)
DE (1) DE69841154D1 (de)
FR (1) FR2770587B1 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2127164A5 (de) * 1971-02-26 1972-10-13 Neiman Exploitation Brevets
IT1017151B (it) * 1974-07-15 1977-07-20 Magneti Marelli Spa Dispositivo antiripetitivo della manovra di avviamento di commuta tori d accensio e di motori a combustione interna

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FR2770587A1 (fr) 1999-05-07
DE69841154D1 (de) 2009-10-29
FR2770587B1 (fr) 1999-12-03
EP0913576A1 (de) 1999-05-06

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