EP2119857A1 - System and method for motorised closing of a vehicle door with compressing seal - Google Patents

System and method for motorised closing of a vehicle door with compressing seal Download PDF

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Publication number
EP2119857A1
EP2119857A1 EP09305397A EP09305397A EP2119857A1 EP 2119857 A1 EP2119857 A1 EP 2119857A1 EP 09305397 A EP09305397 A EP 09305397A EP 09305397 A EP09305397 A EP 09305397A EP 2119857 A1 EP2119857 A1 EP 2119857A1
Authority
EP
European Patent Office
Prior art keywords
lock
opening
control unit
closing
bolt
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.)
Withdrawn
Application number
EP09305397A
Other languages
German (de)
French (fr)
Inventor
Fabien Guiheuneuf
Hoang-Giang Nguyen
Chaene Seyranian
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.)
Renault SAS
Original Assignee
Renault 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 Renault SAS filed Critical Renault SAS
Publication of EP2119857A1 publication Critical patent/EP2119857A1/en
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
    • E05B81/22—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening by movement of the striker
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/66—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status
    • E05B81/68—Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status by sensing the position of the detent
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/72—Monitoring or sensing, e.g. by using switches or sensors the lock status, i.e. locked or unlocked condition

Definitions

  • the invention relates to the field of closing systems for opening of a motor vehicle.
  • the opening can be for example a pivoting side door, a sliding side door or a tailgate.
  • the invention relates in particular to closing systems of an opening closing an opening of the passenger compartment of the vehicle.
  • a compressible seal is disposed between the passenger compartment and the opening.
  • the compressible seal may be disposed around the periphery of the opening or on a part of this circumference.
  • the compressible seal may also be disposed around the opening of the passenger compartment or a part of this circumference.
  • the compressible seal can seal against moisture and wind. This seal can also isolate the cabin from outside noise.
  • the invention particularly relates to closure systems equipped with an assistance motor to ensure the last few centimeters of closure of the opening and compress the compressible seal.
  • the opening is prepositioned by bringing it gently near its closed position.
  • the compression force of the seal and final closure are performed by an assistance engine.
  • This type of anomaly can occur when the first notch of the lock has been actuated by something other than the prepositioning of the opening.
  • a first locking notch may have been engaged by a pencil while the door or the tailgate is wide open. When you want to close the door or tailgate, it does not meet a lock in the open position. The opening abuts against a bolt of the lock in the first locking position. The shock due to the closing test of the opening can move the lock bolt to the second locking position while the opening has not been hooked by the lock.
  • the assistance engine may have been ordered and give the user the illusion that the door is closed when it is wide open.
  • the invention proposes a closure system and a closing control method for a motor vehicle opening with a compressible seal, of the double-notch type and with an assistance motor, making it possible to detect an anomaly in the course of which the assistance of the system closure is actuated without the door being hooked by the two locking notches.
  • the closure system for a motor vehicle opening with compressible seal comprising a double-notch lock and a latch device each having fixing means, either on the opening or on a passenger compartment of the vehicle.
  • the strike device is intended to cooperate with a lock bolt, movable in the lock and presenting successively during the closure of the opening, a first and a second locking position.
  • the system further comprises a final traction means suitable, when the bolt of the lock is in the second locking position, to bring the fastening means on the door and the fastening means on the door closer to one another. cabin.
  • the system further comprises a means of comparison with a threshold of the energy consumed by the final traction means.
  • This detection can warn the user.
  • the assistance engine can be controlled to return to the configuration corresponding to an open door.
  • the user perceives that the closure system has "refused" the closing order. More precise information on the anomaly can be sent to the driver.
  • the system comprises a control unit, connected to a means for determining the outside temperature, and able to actuate the final traction means.
  • the actuation time depends on the outside temperature.
  • the system comprises a control unit including said comparison means.
  • the control unit is connected to a means of determining said energy threshold, and being able to emit an anomaly signal towards a man / machine interface.
  • control unit is able to determine the energy threshold as a function of the outside temperature.
  • the double-notch lock comprises a lever provided with a stop intended to cooperate with notches of the lock bolt.
  • the lever is actuated by an arming mechanism, between a release position for opening the lock, and a plating position against the notches of the lock bolt.
  • the lock further comprises a position sensor located to be activated by said lever when it is in the plating position, and / or when the lock bolt is in the second locking position.
  • the striker device comprises a ring movable relative to the attachment means of the striker device.
  • the final traction means is integrated with the strike device and comprises a controllable motor capable of driving the ring.
  • the ring is movable between a withdrawn position and an extended position.
  • the strike device further includes a position sensor for detecting the exit position and / or a position sensor for detecting the removed position.
  • the invention relates to a vehicle having an opening adapted to close an opening of the passenger compartment of the vehicle and comprising a closing system of the opening according to one of the preceding claims.
  • a compressible seal is disposed between the passenger compartment and the opening.
  • the final traction means is able to compress said seal.
  • the invention relates to a method for controlling the closing of an opening of a motor vehicle with a compressible seal, using a double-notch lock comprising a bolt of the lock adapted to cooperate with a latch device passing successively. during closing of the opening by a first and a second locking position. A final traction means is actuated when the bolt of the lock is in the second locking position. The energy consumed by the final traction means is compared with a threshold.
  • the outside temperature can be taken into account for controlling the final traction.
  • the system comprises a double lock 1, a strike device 2 and a control unit 3.
  • the double-notch lock 1 is of the "powered arming” type and comprises a cocking motor 4, a cocking cam 5 and a cocking lever 6.
  • the cocking cam 5 is driven by the cocking motor 6 in rotation with a wheel and worm system illustrated in dashed lines on the figure 1 .
  • the double-notch lock 1 also comprises a lock bolt 7, movable about an axis 8, and having a U-shape whose first branch 9 is intended to penetrate into a ring 10 of the striker device 2.
  • the bolt of the lock 7 comprises a second branch 11 of the U-shape wider than the first branch 9.
  • the second branch 11 has on an inner lateral side of the U-shaped, an abutment surface 12.
  • the second branch 11 of the form U has at its end a first notch 13 and a second notch 14.
  • the axis of rotation 8 of the lock bolt 7 is arranged in the connection zone of the first and second branches 9 and 11 of the U-shape, so that the two notches 13 and 14 succeed one another in the same area of the lock 1 when the lock bolt 7 pivots about the axis 8.
  • the lock 1 comprises a frame 1a having a guide notch 15 designed to guide the translation of a front portion 10a of the ring 10 of the keeper device 2 from an area outside the lock 1, as illustrated in FIG. figure 1 up to an area 15a of the bottom of the notch 15.
  • the front portion 10a When the keeper 2 approaches the lock 1, the front portion 10a, guided by the notch 15, first meets the abutment surface 12.
  • the axis of rotation 8 is disposed in the frame 1a of the lock 1 so that the front portion 10a rotates the lock bolt 7 by compressing a non-illustrated return spring on the figure 1 .
  • the lever 6 is rotatable about an axis 16 and is illustrated in a position where the lock 1 is "armed".
  • the lever 6 has a stop 17 resting on the end of the second leg 11 of the U-shape of the lock bolt 7.
  • An elastic return device not shown on the figure 1 keeps the lever 6 resting on the bolt of the lock 7.
  • Such a lever 6 is called “boot-peg" in the field of locksmithing.
  • the lock bolt 7 pivots in the positive direction illustrated on the figure 1 .
  • the end zone of the second branch 11 of the lock bolt 7 slides under the abutment 17 of the lever 6.
  • Said end zone successively comprises a first connection zone 18 guiding the abutment 17 to the first detent 13, then a second connection zone 19 guiding the stop 17 to the second detent 14.
  • the shapes of the abutment 17, notches 13 and 14 and connecting surfaces 18 and 19 are such that, as long as the lever 6 bears on the lock bolt 7, the lock bolt 7 can easily rotate. in the positive sense of closure.
  • the second connection zone 19 can easily succeed, under the stop 17, to the first connection zone 18, but the opposite is impossible.
  • the abutment 17 abuts the first notch 13 which constitutes a first safety catch of the lock 1.
  • the closing sequence can continue.
  • the second connection zone 19 can slide under the stop 17 until the second notch 14 is opposite said stop 17, and even continue its rotation beyond.
  • the return of the second connection zone 19 under the abutment 17 is however impossible as long as the lever 6 is resting on the lock bolt 7.
  • the abutment 17 abuts on the second notch 14 which constitutes a second safety catch of the lock 1.
  • the lock double notch 1 also comprises a position sensor 20 capable of detecting whether the boot-peg lever 6 is cooperating with the first catch 13 or the second catch 14.
  • the position sensor 20 may be a microswitch actuated by an outgrowth lateral 21 of the boot-stake lever 6 when the latter tilts with a positive direction of rotation, to cooperate with the notches 13 and 14.
  • the striker device 2 will now be described. This comprises the ring 10 mounted perpendicularly. to a support plate 22 movable about an axis 23 located on an outer side of a frame 40 of the striker device 2.
  • the striker device 2 also comprises a drive disk 24 movable in rotation about an axis 25 and rotated by a drive motor 26 via a gear system not shown on the figure 1 .
  • the drive disk 24 comprises a roller 27 capable of sliding along a raceway 28 of the support plate 22 and extending radially relative to the axis 23.
  • An elastic return means not shown on the figure 1 keeps the roller 27 in permanent contact with the raceway 28.
  • the roller 27 and the ring 10a pass from the position shown in solid lines and corresponding to an "extended position" 29 of the front portion 10a of the ring 10, at an illustrated dashed position on the figure 1 and corresponding to a "removed position” 30 of the front portion 10a of the ring 10.
  • the raceway 28 is adapted to receive the roller 27 regardless of the angular position of the drive disk 24.
  • a ratchet system not shown on the figure 1 blocks the rotation of the drive disc 24 in the opposite direction to the positive direction indicated on the figure 1 .
  • the ratchet system allows the striker device to withstand the illustrated pulling effort F on the figure 1 , when the ring 10 of the striker 2 passes from the extended position 29 to the withdrawn position 30.
  • the drive motor 26, the roller 27 and the corresponding raceway on the support plate 22 constitute a means of motorized traction 39 of the ring 10 relative to the frame 40.
  • This traction means 39 is integrated with the keeper device 2.
  • the drive disc 24 also includes an index 31 adapted to cooperate with a position sensor 32 when the support plate 22 is in the extended position 29.
  • the striker device 2 also comprises a second position sensor 33 adapted to cooperate with the indexed 31 when the support plate 22 is in the withdrawn position 30.
  • the index 31, and the position sensors 32 and 33 may be of any technology.
  • the index 31 may be a mechanical protrusion and the position sensors 32 and 33 may be electrical microswitches.
  • the control unit 3 is now described. It is connected to the position sensor 20 of the double-notch lock and to the position sensors 32 and 33 of the striker device 2. The control unit 3 is also connected to an electric current sensor I for supplying the drive motor 26 of the striker device 2. The control unit 3 directly controls the cocking motor 4 of the double-notch lock 1 and the drive motor 26 2. The control unit 3 is also connected to the dashboard 41 to signal the existence of an anomaly having occurred during the closing sequence.
  • FIG. figure 2 represents the lock bolt 7 in the open position illustrated in FIG. figure 1 .
  • the second branch 11 of the U-shape of the lock bolt 7 protrudes from the bottom 15a of the notch 15.
  • the front portion 10a of the ring 10 is able to push the abutment surface 12 and to make turn the lock bolt 7 in the positive closing direction.
  • FIGS. 2 to 5 symbolically illustrate fastening means 34 of the latch device 2 on the passenger compartment of the vehicle, and fastening means 35 of the double-notch lock 1 on an opening of the vehicle.
  • the opening 36 of the passenger compartment is intended to be obscured by the opening 37.
  • a seal 38 is disposed on the periphery of the opening 37.
  • the Figures 2 to 5 also illustrate a traction device 29 for moving the ring 10 and the support plate 22 relative to a frame 40 of the striker device 2.
  • the figures 1 and 2 illustrate the initial step of the closing sequence in which the double lock 1 and the latch device 2 have not yet begun to cooperate.
  • the front portion 10a of the ring 10 is opposite the notch 15 of the double lock lock 1.
  • the seal 38 is not yet compressed.
  • the figure 3 illustrates the situation where the lock bolt 7 is in a first locking position, that is to say that the first safety catch 13 is engaged.
  • the figure 4 illustrates the engagement of the second safety catch, corresponding to the second locking position of the lock bolt 7.
  • the front portion 10a of the ring 10 pushes the abutment surface 12 of the second leg 11 of the U-shape of the lock bolt 7.
  • the first leg 9 of the U-shaped penetrates inside the ring 10 and traps the front portion 10a.
  • the force exerted by the opening 37 to pivot the lock bolt 7 is limited to the compression of the return device of the lock bolt 7. This force is relatively moderate compared to that required to compress the seal 38.
  • the traction device 39 is actuated when the lock bolt 7 is in the second locking position illustrated in FIG. figure 4 .
  • the traction device 39 is actuated in the final phase of the closing sequence.
  • the first branch 9 of the U-shape of the lock bolt 7 is held in position relative to the lock 1 thanks to the cooperation of the boot-peg lever 6 with the second catch 14 of the lock bolt 7.
  • the traction device 39 pulls the support plate 22 relative to the frame 40 of the keeper device 2 until the seal 38 is compressed between the peripheries 36 and 37 of the opening and the passenger compartment.
  • the compression force of the gasket 38 is provided by the traction device 39, the front part 10a of the ring 10 bearing on the first branch 9 of the U-shape of the lock bolt 7.
  • the sash In a normal closing sequence, the sash is prepositioned manually by the user in the position illustrated in FIG. figure 4 .
  • the user does not have to overcome significant mechanical forces, so that the manual part of the closing sequence can be carried out smoothly. This greatly reduces the risk of accidents.
  • the assistance motor 26 of the traction device 39 exerts a great effort to compress the seal 38.
  • the position sensor 20 of the double lock lock 1 is not activated. It is desirable for the sensor 20 to be able to dissociate if the lock bolt 7 is in the first locking position ( figure 3 ) or in the second locking position ( figure 4 ) so as not to control the actuation of the traction device 39 too early.
  • the central unit 3 can send a signal on the control panel 41.
  • the central unit 3 can also, optionally, control the striker device 2 so as to bring the ring 10 into the extended position 29. the user keeps an opening latch at the first safety catch 13 with a signal warning him that the closure is imperfect. It is then possible for it to control the opening of the lock 1 and to restart the manual prepositioning so that the second safety catch is firmly engaged.
  • the fact of detecting the current consumed by the drive motor 26 and more generally the fact of detecting the energy consumed by the traction device 39 makes it possible to obtain additional information with respect to that of the position sensor 20. This makes it possible to use, for example, a cheap microswitch such as that illustrated in FIG. figure 1 .
  • the position sensor 20, responsive only to the position of the lever 6, may not disassociate if the lever 6 is cooperating with the first notch 13 or the second notch 14.
  • the information on the energy consumed by the traction device 39 compared to a threshold, will dissociate if the prepositioning of the opening was made only at the first safety catch 13 or if the second safety catch 14 has been correctly engaged.
  • having information on the energy consumed by the drive motor 26 may allow control redundancy in the case of a position sensor 20 capable of detecting whether the second detent 14 of the bolt lock 7 has been correctly engaged. This redundancy can detect a potential failure of the closure system.
  • the notch 15 allows a pencil to push the abutment surface 12 so that the lock bolt 7 arrives in the first locking position illustrated in FIG. figure 3 .
  • This situation can occur while the opening 37 is wide open.
  • the front portion 10a of the strike device abuts, not on the second branch 11 of the U-shape of the lock bolt 7, but abuts on the first branch 9. This has as effect of bringing the lock bolt 7 into the second locking position while the front portion 10a is not trapped between the two U-shaped arms 9 and 11 of the lock bolt 7.
  • the traction device 39 is actuated while the opening 37 is not hooked by the double-notch lock 1.
  • the energy consumed by the drive motor 26 of the striker device 2 is almost zero, because the strike device is actuated in a vacuum.
  • the comparison of the energy consumed by the final traction device 39 with a minimum threshold makes it possible to detect that the final traction was effected in a vacuum. A signal can be sent to the dashboard 41.
  • control unit 3 can control the latch device 2 so that the ring 10 returns to the extended position 29.
  • the cocking cam 5 of the double-lock lock 1 can be actuated in such a way that the lock bolt 7 is returned to its open position ( figures 1 and 2 ).
  • control method can also take into account the external temperature which has a significant influence on the stiffness of the seal 38.
  • the relevant current threshold consumed by the drive motor 26 is higher. for an outside temperature of -40 ° C than for + 25 ° C. It is also possible to adjust the operating time of the drive motor 26 of the latch device 2, which can for example be 250 milliseconds in summer and 350 milliseconds in winter. It will thus be possible to obtain additional redundant information with respect to the position sensors 32 or 33 of the latch device 2.

Abstract

The device has a control unit (3) that is connected to position sensors (20, 32, 33) for sensing position of a double notch lock (1) and a strike device (2), respectively. The control unit is connected to an electric current sensor that serves to supply to a driving engine (26) of the device (2). The control unit directly controls a fitting engine (4) of the lock (1) and the engine (26), and is connected to an instrument panel (41) to signal existence of anomaly produced, during sequence of closing. An independent claim is also included for a method for controlling closing of an opening of a motor vehicle.

Description

L'invention concerne le domaine des systèmes de fermeture pour ouvrants de véhicule automobile.The invention relates to the field of closing systems for opening of a motor vehicle.

Les ouvrants peuvent être par exemple une portière latérale pivotante, une portière latérale coulissante ou un hayon arrière.The opening can be for example a pivoting side door, a sliding side door or a tailgate.

L'invention concerne en particulier les systèmes de fermeture d'un ouvrant fermant une ouverture de l'habitacle du véhicule. Un joint compressible est disposé entre l'habitacle et l'ouvrant. Le joint compressible peut être disposé sur le pourtour de l'ouvrant ou sur une partie de ce pourtour. Le joint compressible peut également être disposé sur le pourtour de l'ouverture de l'habitacle ou sur une partie de ce pourtour.The invention relates in particular to closing systems of an opening closing an opening of the passenger compartment of the vehicle. A compressible seal is disposed between the passenger compartment and the opening. The compressible seal may be disposed around the periphery of the opening or on a part of this circumference. The compressible seal may also be disposed around the opening of the passenger compartment or a part of this circumference.

Le joint compressible peut assurer l'étanchéité à l'humidité et au vent. Ce joint peut également isoler l'habitacle du bruit extérieur.The compressible seal can seal against moisture and wind. This seal can also isolate the cabin from outside noise.

La compression de ce joint nécessite de claquer l'ouvrant d'un coup sec. Cela peut être dangereux si un doigt est resté sur la trajectoire de fermeture de l'ouvrant.The compression of this seal requires to slam the opening with a sudden blow. This can be dangerous if a finger has remained on the closing path of the opening.

L'invention concerne en particulier les systèmes de fermeture équipés d'un moteur d'assistance permettant d'assurer les derniers centimètres de fermeture de l'ouvrant et de comprimer le joint compressible. On prépositionne l'ouvrant en l'amenant doucement près de sa position de fermeture. L'effort de compression du joint et de fermeture finale sont réalisés par un moteur d'assistance.The invention particularly relates to closure systems equipped with an assistance motor to ensure the last few centimeters of closure of the opening and compress the compressible seal. The opening is prepositioned by bringing it gently near its closed position. The compression force of the seal and final closure are performed by an assistance engine.

Par ailleurs, la législation impose que les serrures commandables depuis l'intérieur de l'habitacle présentent deux crans de verrouillage pour éviter des ouvertures soudaines.In addition, the law requires locks that can be controlled from inside the passenger compartment to have two locking notches to prevent sudden openings.

Un problème particulier se pose pour les systèmes de fermeture double cran avec moteur d'assistance. Il faut détecter une anomalie dans laquelle le moteur d'assistance serait actionné alors que l'ouvrant n'est pas correctement verrouillé. Cette détection permet d'avertir le conducteur.A particular problem arises for the double locking system with assistance motor. It is necessary to detect an anomaly in which the assistance engine would be actuated while the opening is not correctly locked. This detection makes it possible to warn the driver.

Ce type d'anomalie peut se produire lorsque le premier cran de la serrure a été actionné par autre chose que par le prépositionnement de l'ouvrant. Par exemple, un premier cran de verrouillage peut avoir été enclenché par un crayon alors que la porte ou le hayon est grand ouvert. Quand on veut fermer la porte ou le hayon, celui-ci ne rencontre pas une serrure en position d'ouverture. L'ouvrant bute contre un pêne de la serrure en position de premier cran de verrouillage. Le choc dû à l'essai de fermeture de l'ouvrant peut faire passer le pêne de la serrure en position de deuxième cran de verrouillage alors que l'ouvrant n'a pas été accroché par la serrure. Le moteur d'assistance peut avoir été commandé et donner à l'utilisateur l'illusion que l'ouvrant est bien fermé alors qu'il est grand ouvert.This type of anomaly can occur when the first notch of the lock has been actuated by something other than the prepositioning of the opening. For example, a first locking notch may have been engaged by a pencil while the door or the tailgate is wide open. When you want to close the door or tailgate, it does not meet a lock in the open position. The opening abuts against a bolt of the lock in the first locking position. The shock due to the closing test of the opening can move the lock bolt to the second locking position while the opening has not been hooked by the lock. The assistance engine may have been ordered and give the user the illusion that the door is closed when it is wide open.

L'invention propose un système de fermeture et un procédé de contrôle de fermeture pour ouvrant de véhicule automobile avec joint compressible, du type à double cran et à moteur d'assistance, permettant de détecter une anomalie au cours de laquelle l'assistance du système de fermeture est actionnée sans que la porte ait été accrochée par les deux crans de verrouillage.The invention proposes a closure system and a closing control method for a motor vehicle opening with a compressible seal, of the double-notch type and with an assistance motor, making it possible to detect an anomaly in the course of which the assistance of the system closure is actuated without the door being hooked by the two locking notches.

Selon un mode de réalisation, le système de fermeture pour ouvrant de véhicule automobile avec joint compressible, comprenant une serrure double cran et un dispositif de gâche présentant chacun des moyens de fixation, soit sur l'ouvrant, soit sur un habitacle du véhicule.According to one embodiment, the closure system for a motor vehicle opening with compressible seal, comprising a double-notch lock and a latch device each having fixing means, either on the opening or on a passenger compartment of the vehicle.

Le dispositif de gâche est destiné à coopérer avec un pêne de serrure, mobile dans la serrure et présentant successivement au cours de la fermeture de l'ouvrant, une première puis une deuxième position de verrouillage.The strike device is intended to cooperate with a lock bolt, movable in the lock and presenting successively during the closure of the opening, a first and a second locking position.

Le système comprend en outre un moyen de traction finale apte, lorsque le pêne de la serrure est dans la deuxième position de verrouillage, à rapprocher l'un de l'autre les moyens de fixation sur l'ouvrant et les moyens de fixation sur l'habitacle.The system further comprises a final traction means suitable, when the bolt of the lock is in the second locking position, to bring the fastening means on the door and the fastening means on the door closer to one another. cabin.

Selon l'invention, système comprend en outre un moyen de comparaison à un seuil de l'énergie consommée par le moyen de traction finale.According to the invention, the system further comprises a means of comparison with a threshold of the energy consumed by the final traction means.

On comprend qu'un tel système de fermeture permet de distinguer si le moteur d'assistance a servi à comprimer le joint compressible ou bien si, suite à une anomalie, le moteur d'assistance a été actionné dans le vide.It is understood that such a closure system makes it possible to distinguish whether the assistance motor was used to compress the seal compressible or if, due to an anomaly, the assistance engine has been actuated in a vacuum.

Cette détection peut permettre d'avertir l'utilisateur. Par exemple, le moteur d'assistance peut être commandé pour revenir dans la configuration correspondant à un ouvrant ouvert. L'utilisateur perçoit que le système de fermeture a « refusé » l'ordre de fermeture. Une information plus précise sur l'anomalie peut être envoyée au conducteur.This detection can warn the user. For example, the assistance engine can be controlled to return to the configuration corresponding to an open door. The user perceives that the closure system has "refused" the closing order. More precise information on the anomaly can be sent to the driver.

Selon un mode de réalisation, le système comprend une unité de contrôle, reliée à un moyen de détermination de la température extérieure, et apte à actionner le moyen de traction finale. La durée d'actionnement est fonction de la température extérieure.According to one embodiment, the system comprises a control unit, connected to a means for determining the outside temperature, and able to actuate the final traction means. The actuation time depends on the outside temperature.

Selon un mode de réalisation, le système comprend une unité de contrôle incluant ledit moyen de comparaison. L'unité de contrôle est reliée à un moyen de détermination dudit seuil d'énergie, et étant apte à émettre un signal d'anomalie en direction d'un interface homme/machine.According to one embodiment, the system comprises a control unit including said comparison means. The control unit is connected to a means of determining said energy threshold, and being able to emit an anomaly signal towards a man / machine interface.

Avantageusement, l'unité de contrôle est apte à déterminer le seuil d'énergie en fonction de la température extérieure.Advantageously, the control unit is able to determine the energy threshold as a function of the outside temperature.

Selon un mode de réalisation, la serrure double cran comprend un levier muni d'une butée destinée à coopérer avec des crans du pêne de serrure. Le levier est actionné par un mécanisme d'armement, entre une position de dégagement destinée à l'ouverture de la serrure, et une position de plaquage contre les crans du pêne de la serrure. La serrure comprend en outre un capteur de position situé de manière à être activé par ledit levier lorsque celui-ci est dans la position de plaquage, et/ou lorsque le pêne de serrure est dans la deuxième position de verrouillage.According to one embodiment, the double-notch lock comprises a lever provided with a stop intended to cooperate with notches of the lock bolt. The lever is actuated by an arming mechanism, between a release position for opening the lock, and a plating position against the notches of the lock bolt. The lock further comprises a position sensor located to be activated by said lever when it is in the plating position, and / or when the lock bolt is in the second locking position.

Selon un mode de réalisation, le dispositif de gâche comprend un anneau mobile par rapport au moyen de fixation du dispositif de gâche. Le moyen de traction finale est intégré au dispositif de gâche et comprend un moteur commandable apte à entraîner l'anneau.According to one embodiment, the striker device comprises a ring movable relative to the attachment means of the striker device. The final traction means is integrated with the strike device and comprises a controllable motor capable of driving the ring.

Selon un mode de réalisation, l'anneau est mobile entre une position retirée et une position sortie. Le dispositif de gâche comprend en outre un capteur de position conçu pour détecter la position sortie et/ou un capteur de position conçu pour détecter la position retirée.According to one embodiment, the ring is movable between a withdrawn position and an extended position. The strike device further includes a position sensor for detecting the exit position and / or a position sensor for detecting the removed position.

Selon un autre aspect, l'invention porte sur un véhicule présentant un ouvrant apte à fermer une ouverture de l'habitacle du véhicule et comprenant un système de fermeture de l'ouvrant selon l'une des revendications précédentes. Un joint compressible est disposé entre l'habitacle et l'ouvrant. Le moyen de traction finale est apte à comprimer ledit joint.According to another aspect, the invention relates to a vehicle having an opening adapted to close an opening of the passenger compartment of the vehicle and comprising a closing system of the opening according to one of the preceding claims. A compressible seal is disposed between the passenger compartment and the opening. The final traction means is able to compress said seal.

Selon un autre aspect, l'invention porte sur un procédé de contrôle de la fermeture d'un ouvrant de véhicule automobile avec joint compressible, utilisant une serrure double cran comprenant un pêne de la serrure conçu pour coopérer avec un dispositif de gâche en passant successivement au cours de la fermeture de l'ouvrant par une première puis par une deuxième position de verrouillage. On actionne un moyen de traction finale lorsque le pêne de la serrure est dans la deuxième position de verrouillage. On compare à un seuil, l'énergie consommée par le moyen de traction finale.According to another aspect, the invention relates to a method for controlling the closing of an opening of a motor vehicle with a compressible seal, using a double-notch lock comprising a bolt of the lock adapted to cooperate with a latch device passing successively. during closing of the opening by a first and a second locking position. A final traction means is actuated when the bolt of the lock is in the second locking position. The energy consumed by the final traction means is compared with a threshold.

On en déduit l'existence éventuelle d'une anomalie lors de la fermeture.We deduce the possible existence of an anomaly during closure.

Avantageusement, on peut tenir compte de la température extérieure pour la commande de la traction finale.Advantageously, the outside temperature can be taken into account for controlling the final traction.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée d'un mode de réalisation pris à titre d'exemple non limitatif et illustré par le dessin annexé, selon lequel :

  • la figure 1 est une vue d'ensemble du système de fermeture ; et
  • les figures 2 à 5 illustrent quatre étapes de la séquence de fermeture.
Other features and advantages of the invention will appear on reading the detailed description of an embodiment taken by way of non-limiting example and illustrated by the appended drawing, in which:
  • the figure 1 is an overview of the closure system; and
  • the Figures 2 to 5 illustrate four steps of the closing sequence.

Comme illustré en figure 1, le système comprend une serrure double cran 1, un dispositif de gâche 2 et une unité de contrôle 3.As illustrated in figure 1 , the system comprises a double lock 1, a strike device 2 and a control unit 3.

La serrure double cran 1 est du type « à armement motorisé » et comprend un moteur d'armement 4, une came d'armement 5 et un levier d'armement 6. La came d'armement 5 est entraînée par le moteur d'armement 6 en rotation grâce à un système roue et vis sans fin illustré en pointillés sur la figure 1. La serrure double cran 1 comprend également un pêne de serrure 7, mobile autour d'un axe 8, et ayant une forme en U dont une première branche 9 est destinée à pénétrer dans un anneau 10 du dispositif de gâche 2. Le pêne de la serrure 7 comprend une deuxième branche 11 de la forme en U plus large que la première branche 9. La deuxième branche 11 présente sur un côté latéral intérieur de la forme en U, une surface de butée 12. La deuxième branche 11 de la forme en U présente à son extrémité un premier cran 13 et un deuxième cran 14. L'axe de rotation 8 du pêne de serrure 7 est disposé dans la zone de raccordement des première et deuxième branches 9 et 11 de la forme en U, de sorte que les deux crans 13 et 14 se succèdent dans une même zone de la serrure 1 lorsque le pêne de serrure 7 pivote autour de l'axe 8. La serrure 1 comprend un bâti 1a présentant une échancrure de guidage 15 conçue pour guider la translation d'une partie avant 10a de l'anneau 10 du dispositif de gâche 2 depuis une zone extérieure à la serrure 1, telle qu'illustrée sur la figure 1, jusqu'à une zone 15a du fond de l'échancrure 15.The double-notch lock 1 is of the "powered arming" type and comprises a cocking motor 4, a cocking cam 5 and a cocking lever 6. The cocking cam 5 is driven by the cocking motor 6 in rotation with a wheel and worm system illustrated in dashed lines on the figure 1 . The double-notch lock 1 also comprises a lock bolt 7, movable about an axis 8, and having a U-shape whose first branch 9 is intended to penetrate into a ring 10 of the striker device 2. The bolt of the lock 7 comprises a second branch 11 of the U-shape wider than the first branch 9. The second branch 11 has on an inner lateral side of the U-shaped, an abutment surface 12. The second branch 11 of the form U has at its end a first notch 13 and a second notch 14. The axis of rotation 8 of the lock bolt 7 is arranged in the connection zone of the first and second branches 9 and 11 of the U-shape, so that the two notches 13 and 14 succeed one another in the same area of the lock 1 when the lock bolt 7 pivots about the axis 8. The lock 1 comprises a frame 1a having a guide notch 15 designed to guide the translation of a front portion 10a of the ring 10 of the keeper device 2 from an area outside the lock 1, as illustrated in FIG. figure 1 up to an area 15a of the bottom of the notch 15.

Lorsque le dispositif de gâche 2 s'approche de la serrure 1, la partie avant 10a, guidée par l'échancrure 15, rencontre en premier lieu la surface de butée 12. L'axe de rotation 8 est disposé dans le bâti 1a de la serrure 1 de manière que la partie avant 10a entraîne en rotation le pêne de serrure 7 en comprimant un ressort de rappel non illustré sur la figure 1.When the keeper 2 approaches the lock 1, the front portion 10a, guided by the notch 15, first meets the abutment surface 12. The axis of rotation 8 is disposed in the frame 1a of the lock 1 so that the front portion 10a rotates the lock bolt 7 by compressing a non-illustrated return spring on the figure 1 .

Le levier 6 est mobile en rotation autour d'un axe 16 et est illustré dans une position où la serrure 1 est « armée ». Le levier 6 présente une butée 17 en appui sur l'extrémité de la deuxième branche 11 de la forme en U du pêne de serrure 7. Un dispositif de rappel élastique non illustré sur la figure 1 maintient le levier 6 en appui sur le pêne de la serrure 7. Un tel levier 6 est appelé « botte-piquet » dans le domaine de la serrurerie.The lever 6 is rotatable about an axis 16 and is illustrated in a position where the lock 1 is "armed". The lever 6 has a stop 17 resting on the end of the second leg 11 of the U-shape of the lock bolt 7. An elastic return device not shown on the figure 1 keeps the lever 6 resting on the bolt of the lock 7. Such a lever 6 is called "boot-peg" in the field of locksmithing.

Lors d'une séquence de fermeture de la serrure 1, le pêne de serrure 7 pivote dans le sens positif illustré sur la figure 1. La zone d'extrémité de la deuxième branche 11 du pêne de serrure 7 glisse sous la butée 17 du levier 6. Ladite zone d'extrémité comprend successivement une première zone de raccordement 18 guidant la butée 17 jusqu'au premier cran 13, puis une deuxième zone de raccordement 19 guidant la butée 17 jusqu'au deuxième cran 14.During a closing sequence of the lock 1, the lock bolt 7 pivots in the positive direction illustrated on the figure 1 . The end zone of the second branch 11 of the lock bolt 7 slides under the abutment 17 of the lever 6. Said end zone successively comprises a first connection zone 18 guiding the abutment 17 to the first detent 13, then a second connection zone 19 guiding the stop 17 to the second detent 14.

Les formes de la butée 17, des crans 13 et 14 et des surfaces de raccordement 18 et 19 sont telles que, tant que le levier 6 est en appui sur le pêne de serrure 7, le pêne de serrure 7 peut facilement pivoter dans le sens positif de fermeture. La deuxième zone de raccordement 19 peut facilement succéder, sous la butée 17, à la première zone de raccordement 18, mais l'inverse est impossible. La butée 17 bute sur le premier cran 13 qui constitue un premier cran de sûreté de la serrure 1.The shapes of the abutment 17, notches 13 and 14 and connecting surfaces 18 and 19 are such that, as long as the lever 6 bears on the lock bolt 7, the lock bolt 7 can easily rotate. in the positive sense of closure. The second connection zone 19 can easily succeed, under the stop 17, to the first connection zone 18, but the opposite is impossible. The abutment 17 abuts the first notch 13 which constitutes a first safety catch of the lock 1.

Après le passage du premier cran de sûreté 13, la séquence de fermeture peut se poursuivre. La deuxième zone de raccordement 19 peut glisser sous la butée 17 jusqu'à ce que le deuxième cran 14 soit en regard de ladite butée 17, et même continuer sa rotation au-delà. Le retour de la deuxième zone de raccordement 19 sous la butée 17 est cependant impossible tant que le levier 6 est en appui sur le pêne de serrure 7. La butée 17 bute sur le deuxième cran 14 qui constitue un deuxième cran de sûreté de la serrure 1.After the passage of the first safety catch 13, the closing sequence can continue. The second connection zone 19 can slide under the stop 17 until the second notch 14 is opposite said stop 17, and even continue its rotation beyond. The return of the second connection zone 19 under the abutment 17 is however impossible as long as the lever 6 is resting on the lock bolt 7. The abutment 17 abuts on the second notch 14 which constitutes a second safety catch of the lock 1.

Lorsque le premier cran 13 ou le deuxième cran 14 coopèrent avec la butée de levier 17, le levier de botte-piquet 6 bascule sous l'effet du ressort de rappel du levier, vers l'axe 8 du pêne de serrure 7. La serrure double cran 1 comprend également un capteur de position 20 apte à détecter si le levier de botte-piquet 6 est en train de coopérer avec le premier cran 13 ou le deuxième cran 14. Le capteur de position 20 peut être un microrupteur actionné par une excroissance latérale 21 du levier 6 de botte-piquet lorsque celui-ci bascule avec un sens de rotation positif, pour coopérer avec les crans 13 et 14. On va maintenant décrire le dispositif de gâche 2. Celui-ci comprend l'anneau 10 monté perpendiculairement à une plaque support 22 mobile autour d'un axe 23 situé sur un côté extérieur d'un bâti 40 du dispositif de gâche 2. Le dispositif de gâche 2 comprend également un disque d'entraînement 24 mobile en rotation autour d'un axe 25 et entraîné en rotation par un moteur d'entraînement 26 via un système d'engrenage non illustré sur la figure 1. Le disque d'entraînement 24 comprend un galet 27 apte à glisser le long d'un chemin de roulement 28 de la plaque support 22 et s'étendant radialement par rapport à l'axe 23. Un moyen élastique de rappel non illustré sur la figure 1 maintient le galet 27 en contact permanent avec le chemin de roulement 28.When the first notch 13 or the second notch 14 cooperate with the lever stop 17, the boot-peg lever 6 switches under the effect of the lever return spring, towards the axis 8 of the lock bolt 7. The lock double notch 1 also comprises a position sensor 20 capable of detecting whether the boot-peg lever 6 is cooperating with the first catch 13 or the second catch 14. The position sensor 20 may be a microswitch actuated by an outgrowth lateral 21 of the boot-stake lever 6 when the latter tilts with a positive direction of rotation, to cooperate with the notches 13 and 14. The striker device 2 will now be described. This comprises the ring 10 mounted perpendicularly. to a support plate 22 movable about an axis 23 located on an outer side of a frame 40 of the striker device 2. The striker device 2 also comprises a drive disk 24 movable in rotation about an axis 25 and rotated by a drive motor 26 via a gear system not shown on the figure 1 . The drive disk 24 comprises a roller 27 capable of sliding along a raceway 28 of the support plate 22 and extending radially relative to the axis 23. An elastic return means not shown on the figure 1 keeps the roller 27 in permanent contact with the raceway 28.

Lorsque le disque d'entraînement 24 tourne autour de son axe 25, le galet 27 et l'anneau 10a passent de la position illustrée en traits pleins et correspondant à une « position sortie » 29 de la partie avant 10a de l'anneau 10, à une position illustrée en pointillés sur la figure 1 et correspondant à une « position retirée » 30 de la partie avant 10a de l'anneau 10. Le chemin de roulement 28 est apte à recevoir le galet 27 quelle que soit la position angulaire du disque d'entraînement 24. Ainsi, lorsque le disque d'entraînement 24 tourne dans un mouvement continu de rotation dans un seul sens, la plaque support 22 et notamment la partie avant 10a de l'anneau 10, oscille entre la position de sortie 29 et la position retirée 30.When the drive disc 24 rotates about its axis 25, the roller 27 and the ring 10a pass from the position shown in solid lines and corresponding to an "extended position" 29 of the front portion 10a of the ring 10, at an illustrated dashed position on the figure 1 and corresponding to a "removed position" 30 of the front portion 10a of the ring 10. The raceway 28 is adapted to receive the roller 27 regardless of the angular position of the drive disk 24. Thus, when the disk 24 rotates in a continuous movement of rotation in one direction, the support plate 22 and in particular the front portion 10a of the ring 10, oscillates between the output position 29 and the withdrawn position 30.

Un système de cliquet non illustré sur la figure 1 bloque la rotation du disque d'entraînement 24 dans le sens opposé au sens positif indiqué sur la figure 1. Le système de cliquet permet au dispositif de gâche de résister à un effort de traction illustré Fsur la figure 1, lorsque l'anneau 10 de la gâche 2 passe de la position sortie 29 à la position retirée 30. Autrement dit, le moteur d'entraînement 26, le galet 27 et le chemin de roulement correspondant sur la plaque support 22 constituent un moyen de traction motorisé 39 de l'anneau 10 par rapport au bâti 40. Ce moyen de traction 39 est intégré au dispositif de gâche 2.A ratchet system not shown on the figure 1 blocks the rotation of the drive disc 24 in the opposite direction to the positive direction indicated on the figure 1 . The ratchet system allows the striker device to withstand the illustrated pulling effort F on the figure 1 , when the ring 10 of the striker 2 passes from the extended position 29 to the withdrawn position 30. In other words, the drive motor 26, the roller 27 and the corresponding raceway on the support plate 22 constitute a means of motorized traction 39 of the ring 10 relative to the frame 40. This traction means 39 is integrated with the keeper device 2.

Le disque d'entraînement 24 comprend également un index 31 apte à coopérer avec un capteur de position 32 lorsque la plaque support 22 est en position sortie 29. Le dispositif de gâche 2 comprend également un deuxième capteur de position 33 apte à coopérer avec l'indexe 31 lorsque la plaque support 22 est dans la position retirée 30. L'index 31, et les capteurs de position 32 et 33 peuvent être d'une technologie quelconque. En particulier, l'index 31 peut être une excroissance mécanique et les capteurs de position 32 et 33 peuvent être des microrupteurs électriques.The drive disc 24 also includes an index 31 adapted to cooperate with a position sensor 32 when the support plate 22 is in the extended position 29. The striker device 2 also comprises a second position sensor 33 adapted to cooperate with the indexed 31 when the support plate 22 is in the withdrawn position 30. The index 31, and the position sensors 32 and 33 may be of any technology. In particular, the index 31 may be a mechanical protrusion and the position sensors 32 and 33 may be electrical microswitches.

On va maintenant décrire l'unité de contrôle 3. Celle-ci est raccordée au capteur de position 20 de la serrure double cran et aux capteurs de position 32 et 33 du dispositif de gâche 2. L'unité de contrôle 3 est également raccordée à un capteur de courant électrique I servant à l'alimentation du moteur 26 d'entraînement du dispositif de gâche 2. L'unité de contrôle 3 commande directement le moteur d'armement 4 de la serrure double cran 1 et le moteur d'entraînement 26 du dispositif de gâche 2. L'unité de contrôle 3 est également raccordée au tableau de bord 41 pour signaler l'existence d'une anomalie s'étant produite au cours de la séquence de fermeture.The control unit 3 is now described. It is connected to the position sensor 20 of the double-notch lock and to the position sensors 32 and 33 of the striker device 2. The control unit 3 is also connected to an electric current sensor I for supplying the drive motor 26 of the striker device 2. The control unit 3 directly controls the cocking motor 4 of the double-notch lock 1 and the drive motor 26 2. The control unit 3 is also connected to the dashboard 41 to signal the existence of an anomaly having occurred during the closing sequence.

On va à l'aide des figures 2 à 5 décrire quatre étapes de la séquence de fermeture du système précédemment décrit. La figure 2 représente le pêne de serrure 7 dans la position d'ouverture illustrée à la figure 1. La deuxième branche 11 de la forme en U du pêne de serrure 7 fait saillie par rapport au fond 15a de l'échancrure 15. Ainsi, la partie avant 10a de l'anneau 10 est susceptible de pousser la surface de butée 12 et de faire pivoter le pêne de serrure 7 dans le sens positif de fermeture.We're going to help Figures 2 to 5 describe four steps in the system shutdown sequence previously described. The figure 2 represents the lock bolt 7 in the open position illustrated in FIG. figure 1 . The second branch 11 of the U-shape of the lock bolt 7 protrudes from the bottom 15a of the notch 15. Thus, the front portion 10a of the ring 10 is able to push the abutment surface 12 and to make turn the lock bolt 7 in the positive closing direction.

Les figures 2 à 5 illustrent de manière symbolique des moyens de fixation 34 du dispositif de gâche 2 sur l'habitacle du véhicule, et des moyens de fixation 35 de la serrure double cran 1 sur un ouvrant du véhicule. L'ouverture 36 de l'habitacle est destinée à être occultée par l'ouvrant 37. Un joint d'étanchéité 38 est disposé sur le pourtour de l'ouvrant 37.The Figures 2 to 5 symbolically illustrate fastening means 34 of the latch device 2 on the passenger compartment of the vehicle, and fastening means 35 of the double-notch lock 1 on an opening of the vehicle. The opening 36 of the passenger compartment is intended to be obscured by the opening 37. A seal 38 is disposed on the periphery of the opening 37.

On conçoit que la séquence de fermeture qui va être décrite est identique si le dispositif de gâche 2 est disposé sur l'ouvrant et que la serrure double cran est disposée sur l'habitacle. De même, la séquence est inchangée si le joint 38 est disposé sur le pourtour de l'ouverture de l'habitacle.It is conceivable that the closing sequence that will be described is identical if the latch device 2 is disposed on the opening and the double-notch lock is disposed on the passenger compartment. Similarly, the sequence is unchanged if the seal 38 is disposed on the periphery of the opening of the passenger compartment.

Les figures 2 à 5 illustrent également un dispositif de traction 29 permettant de déplacer l'anneau 10 et la plaque support 22 par rapport à un bâti 40 du dispositif de gâche 2.The Figures 2 to 5 also illustrate a traction device 29 for moving the ring 10 and the support plate 22 relative to a frame 40 of the striker device 2.

Les figures 1 et 2 illustrent l'étape initiale de la séquence de fermeture dans laquelle la serrure double cran 1 et le dispositif de gâche 2 n'ont pas encore commencé à coopérer. La partie avant 10a de l'anneau 10 se trouve en face de l'échancrure 15 de la serrure double cran 1. Le joint 38 n'est pas encore comprimé.The figures 1 and 2 illustrate the initial step of the closing sequence in which the double lock 1 and the latch device 2 have not yet begun to cooperate. The front portion 10a of the ring 10 is opposite the notch 15 of the double lock lock 1. The seal 38 is not yet compressed.

La figure 3 illustre la situation où le pêne de serrure 7 est dans une première position de verrouillage, c'est-à-dire que le premier cran de sûreté 13 est enclenché. La figure 4 illustre l'enclenchement du deuxième cran de sûreté, correspondant à la deuxième position de verrouillage du pêne de serrure 7. Entre les étapes de fermeture illustrées aux figures 2, 3 et 4, la partie avant 10a de l'anneau 10 pousse la surface de butée 12 de la deuxième branche 11 de la forme en U du pêne de serrure 7. La première branche 9 de la forme en U pénètre à l'intérieur de l'anneau 10 et emprisonne la partie avant 10a. L'effort exercé par l'ouvrant 37 pour faire pivoter le pêne de serrure 7 est limité à la compression du dispositif de rappel du pêne de serrure 7. Cet effort est relativement modéré par rapport à celui nécessaire pour comprimer le joint 38.The figure 3 illustrates the situation where the lock bolt 7 is in a first locking position, that is to say that the first safety catch 13 is engaged. The figure 4 illustrates the engagement of the second safety catch, corresponding to the second locking position of the lock bolt 7. Between the closing steps illustrated in FIGS. Figures 2, 3 and 4 , the front portion 10a of the ring 10 pushes the abutment surface 12 of the second leg 11 of the U-shape of the lock bolt 7. The first leg 9 of the U-shaped penetrates inside the ring 10 and traps the front portion 10a. The force exerted by the opening 37 to pivot the lock bolt 7 is limited to the compression of the return device of the lock bolt 7. This force is relatively moderate compared to that required to compress the seal 38.

Le dispositif de traction 39 est actionné lorsque le pêne de serrure 7 est dans la deuxième position de verrouillage illustré en figure 4. Autrement dit, le dispositif de traction 39 est actionné dans la phase finale de la séquence de fermeture. La première branche 9 de la forme en U du pêne de serrure 7 est maintenue en position par rapport à la serrure 1 grâce à la coopération du levier de botte-piquet 6 avec le deuxième cran 14 du pêne de serrure 7. Le dispositif de traction 39 tire la plaque support 22 par rapport au bâti 40 du dispositif de gâche 2 jusqu'à ce que le joint 38 soit comprimé entre les pourtours 36 et 37 de l'ouvrant et de l'habitacle. L'effort de compression du joint 38 est assuré par le dispositif de traction 39, la partie avant 10a de l'anneau 10 étant en appui sur la première branche 9 de la forme en U du pêne de serrure 7.The traction device 39 is actuated when the lock bolt 7 is in the second locking position illustrated in FIG. figure 4 . In other words, the traction device 39 is actuated in the final phase of the closing sequence. The first branch 9 of the U-shape of the lock bolt 7 is held in position relative to the lock 1 thanks to the cooperation of the boot-peg lever 6 with the second catch 14 of the lock bolt 7. The traction device 39 pulls the support plate 22 relative to the frame 40 of the keeper device 2 until the seal 38 is compressed between the peripheries 36 and 37 of the opening and the passenger compartment. The compression force of the gasket 38 is provided by the traction device 39, the front part 10a of the ring 10 bearing on the first branch 9 of the U-shape of the lock bolt 7.

On va maintenant décrire l'intérêt de tenir compte de l'énergie consommée par le dispositif de traction 39. Dans le mode de réalisation de la figure 1, cette énergie est mesurée par le courant électrique consommé par le moteur 26 d'entraînement du dispositif de gâche 2.The advantage of taking into account the energy consumed by the traction device 39 will now be described. In the embodiment of FIG. figure 1 this energy is measured by the electric current consumed by the driving motor 26 of the striker device 2.

Dans une séquence de fermeture normale, l'ouvrant est prépositionné manuellement par l'utilisateur dans la position illustrée en figure 4. L'utilisateur n'a pas à vaincre des efforts mécaniques importants, de sorte que la partie manuelle de la séquence de fermeture peut s'effectuer en douceur. Cela permet de réduire fortement les risques d'accident. Une fois le deuxième cran de sécurité 14 enclenché, le moteur d'assistance 26 du dispositif de traction 39 exerce un effort important pour comprimer le joint d'étanchéité 38.In a normal closing sequence, the sash is prepositioned manually by the user in the position illustrated in FIG. figure 4 . The user does not have to overcome significant mechanical forces, so that the manual part of the closing sequence can be carried out smoothly. This greatly reduces the risk of accidents. Once the second safety catch 14 has been engaged, the assistance motor 26 of the traction device 39 exerts a great effort to compress the seal 38.

Lorsque le pêne de serrure 7 est dans la position illustrée en figure 2, le capteur de position 20 de la serrure double cran 1 n'est pas activé. Il est souhaitable que le capteur 20 soit apte à dissocier si le pêne de serrure 7 est dans la première position de verrouillage (figure 3) ou dans la deuxième position de verrouillage (figure 4) de manière à ne pas commander l'actionnement du dispositif de traction 39 trop tôt.When the lock bolt 7 is in the position illustrated in FIG. figure 2 , the position sensor 20 of the double lock lock 1 is not activated. It is desirable for the sensor 20 to be able to dissociate if the lock bolt 7 is in the first locking position ( figure 3 ) or in the second locking position ( figure 4 ) so as not to control the actuation of the traction device 39 too early.

Si par suite d'une anomalie, le moteur 26 est actionné alors que seul le premier cran de sureté 13 est enclenché, le joint d'étanchéité 38 est beaucoup moins comprimé, voire pas comprimé du tout. Le courant électrique consommé par le moteur 26 d'entraînement du dispositif de gâche 2 est bien inférieur à celui qui aurait été nécessaire si les deux crans de sécurité avaient été normalement enclenchés. Ainsi, l'unité centrale 3 peut envoyer un signal sur le tableau de bord 41. L'unité centrale 3 peut également, de manière optionnelle, commander le dispositif de gâche 2de manière à ramener l'anneau 10 en position sortie 29. Ainsi, l'utilisateur conserve un ouvrant enclenché au premier cran de sûreté 13 avec un signal l'avertissant que la fermeture est imparfaite. Il lui est alors possible de commander l'ouverture de la serrure 1 et de recommencer le prépositionnement manuel de manière que le deuxième cran de sûreté soit fermement enclenché.If as a result of an abnormality, the motor 26 is actuated while only the first safety notch 13 is engaged, the seal 38 is much less compressed, or not compressed at all. The electric current consumed by the drive motor 26 of the striker device 2 is much lower than would have been necessary if the two safety notches had been normally engaged. Thus, the central unit 3 can send a signal on the control panel 41. The central unit 3 can also, optionally, control the striker device 2 so as to bring the ring 10 into the extended position 29. the user keeps an opening latch at the first safety catch 13 with a signal warning him that the closure is imperfect. It is then possible for it to control the opening of the lock 1 and to restart the manual prepositioning so that the second safety catch is firmly engaged.

Le fait de détecter le courant consommer par le moteur d'entraînement 26 et plus généralement le fait de détecter l'énergie consommée par le dispositif de traction 39, permet de disposer d'une information supplémentaire par rapport à celle du capteur de position 20. Cela permet d'utiliser par exemple un microrupteur bon marché tel que celui illustré en figure 1. Le capteur de position 20, sensible uniquement à la position du levier 6, peut ne pas dissocier si le levier 6 est en train de coopérer avec le premier cran 13 ou avec le deuxième cran 14. L'information sur l'énergie consommée par le dispositif de traction 39 comparée à un seuil, permettra de dissocier si le prépositionnement de l'ouvrant s'est effectué uniquement au premier cran de sûreté 13 ou si le deuxième cran de sûreté 14 a été correctement enclenché.The fact of detecting the current consumed by the drive motor 26 and more generally the fact of detecting the energy consumed by the traction device 39 makes it possible to obtain additional information with respect to that of the position sensor 20. This makes it possible to use, for example, a cheap microswitch such as that illustrated in FIG. figure 1 . The position sensor 20, responsive only to the position of the lever 6, may not disassociate if the lever 6 is cooperating with the first notch 13 or the second notch 14. The information on the energy consumed by the traction device 39 compared to a threshold, will dissociate if the prepositioning of the opening was made only at the first safety catch 13 or if the second safety catch 14 has been correctly engaged.

De manière alternative, le fait de disposer d'une information sur l'énergie consommée par le moteur 26 d'entraînement peut permettre une redondance de contrôle dans le cas d'un capteur 20 de position apte à détecter si le deuxième cran 14 du pêne de serrure 7 a été correctement enclenché. Cette redondance peut permettre de détecter une défaillance potentielle du système de fermeture.Alternatively, having information on the energy consumed by the drive motor 26 may allow control redundancy in the case of a position sensor 20 capable of detecting whether the second detent 14 of the bolt lock 7 has been correctly engaged. This redundancy can detect a potential failure of the closure system.

On va maintenant décrire un deuxième type d'anomalie détectée par le procédé de contrôle de la fermeture précédemment décrite. L'échancrure 15, permet par exemple à un crayon de pousser la surface de butée 12 de manière que le pêne de serrure 7 arrive dans la première position de verrouillage illustré en figure 3. Cette situation peut se produire alors que l'ouvrant 37 est grand ouvert. Lorsqu'un utilisateur tente de fermer l'ouvrant, la partie avant 10a du dispositif de gâche bute, non pas sur la deuxième branche 11 de la forme en U du pêne de serrure 7, mais bute sur la première branche 9. Cela a comme effet d'amener le pêne de serrure 7 dans la deuxième position de verrouillage alors que la partie avant 10a n'est pas prisonnière entre les deux branches 9 et 11 en forme de U du pêne de serrure 7. Le deuxième cran de verrouillage étant enclenché, le dispositif de traction 39 est actionné alors que l'ouvrant 37 n'est pas accroché par la serrure double cran 1. Dans cette situation, l'énergie consommée par le moteur d'entraînement 26 du dispositif de gâche 2 est quasi nulle, car le dispositif de gâche est actionné dans le vide. La comparaison de l'énergie consommée par le dispositif de traction finale 39 à un seuil minimum, permet de détecter que la traction finale s'est opérée dans le vide. Un signal peut être envoyé au tableau de bord 41.We will now describe a second type of anomaly detected by the control method of the previously described closure. The notch 15, for example allows a pencil to push the abutment surface 12 so that the lock bolt 7 arrives in the first locking position illustrated in FIG. figure 3 . This situation can occur while the opening 37 is wide open. When a user tries to close the door, the front portion 10a of the strike device abuts, not on the second branch 11 of the U-shape of the lock bolt 7, but abuts on the first branch 9. This has as effect of bringing the lock bolt 7 into the second locking position while the front portion 10a is not trapped between the two U-shaped arms 9 and 11 of the lock bolt 7. The second locking catch being engaged , the traction device 39 is actuated while the opening 37 is not hooked by the double-notch lock 1. In this situation, the energy consumed by the drive motor 26 of the striker device 2 is almost zero, because the strike device is actuated in a vacuum. The comparison of the energy consumed by the final traction device 39 with a minimum threshold makes it possible to detect that the final traction was effected in a vacuum. A signal can be sent to the dashboard 41.

De manière optionnelle, l'unité de commande 3 peut commander le dispositif de gâche 2 de manière à ce que l'anneau 10 revienne en position sortie 29. De plus, la came d'armement 5 de la serrure double cran 1 peut être actionnée de manière à ce que le pêne de serrure 7 soit ramené dans sa position d'ouverture (figures 1 et 2).Optionally, the control unit 3 can control the latch device 2 so that the ring 10 returns to the extended position 29. In addition, the cocking cam 5 of the double-lock lock 1 can be actuated in such a way that the lock bolt 7 is returned to its open position ( figures 1 and 2 ).

Dans les deux types d'anomalies détectées, il suffit à l'utilisateur du véhicule de repositionner manuellement l'ouvrant de manière à enclencher le premier et le deuxième cran de sûreté 13 et 14 pour pouvoir procéder à une séquence normale et fiable de fermeture.In both types of anomalies detected, it is sufficient for the user of the vehicle to manually reposition the opening so as to engage the first and second safety catch 13 and 14 in order to proceed to a normal and reliable sequence of closure.

Dans un mode particulier de réalisation, le procédé de contrôle peut aussi tenir compte de la température extérieure qui a une influence importante sur la raideur du joint 38. Par exemple, le seuil de courant pertinent consommé par le moteur d'entraînement 26 est plus élevé pour une température extérieure de -40°C que pour +25°C. Il est également possible de régler la durée d'actionnement du moteur d'entraînement 26 du dispositif de gâche 2, qui peut par exemple être de 250 millisecondes en été et de 350 millisecondes en hiver. Il sera ainsi possible d'obtenir une information supplémentaire redondante par rapport aux capteurs de position 32 ou 33 du dispositif de gâche 2.In a particular embodiment, the control method can also take into account the external temperature which has a significant influence on the stiffness of the seal 38. For example, the relevant current threshold consumed by the drive motor 26 is higher. for an outside temperature of -40 ° C than for + 25 ° C. It is also possible to adjust the operating time of the drive motor 26 of the latch device 2, which can for example be 250 milliseconds in summer and 350 milliseconds in winter. It will thus be possible to obtain additional redundant information with respect to the position sensors 32 or 33 of the latch device 2.

Claims (9)

Système de fermeture pour ouvrant de véhicule automobile avec joint compressible (38), comprenant une serrure double cran (1) et un dispositif de gâche (2) présentant chacun des moyens de fixation (34, 35), soit sur l'ouvrant, soit sur un habitacle du véhicule ; le dispositif de gâche étant destiné à coopérer avec un pêne de serrure (7), mobile dans la serrure (1) et présentant successivement au cours de la fermeture de l'ouvrant, une première (13) puis une deuxième (14) position de verrouillage ; le système comprenant en outre un moyen de traction (39) finale apte, lorsque le pêne de la serrure (7) est dans la deuxième position de verrouillage (14), à rapprocher l'un de l'autre les moyens de fixation (35) sur l'ouvrant et les moyens de fixation (34) sur l'habitacle, un moyen de comparaison à un seuil de l'énergie consommée par le moyen de traction finale (39), et une unité de contrôle (3) incluant ledit moyen de comparaison, l'unité de contrôle (3) étant reliée à un capteur de courant électrique I servant à l'alimentation d'un moteur (26) d'entraînement du moyen de traction finale (39), caractérisé par le fait que l'unité de contrôle est reliée à un moyen de détermination du seuil de courant qui aurait été nécessaire si les deux crans de sécurité avaient été normalement enclenchés, l'unité de contrôle (3) étant apte à émettre un signal d'anomalie en direction d'un interface homme/machine lorsque le courant électrique I est inférieur audit seuil de courant.Closing system for a motor vehicle door with compressible seal (38), comprising a double-notch lock (1) and a striker device (2) each having fastening means (34, 35) either on the door leaf or on a passenger compartment of the vehicle; the striker device being intended to cooperate with a lock bolt (7), movable in the lock (1) and presenting successively during the closing of the opening, a first (13) and then a second (14) position of lock; the system further comprising a final traction means (39) adapted, when the bolt of the lock (7) is in the second locking position (14), to bring the fastening means (35) closer to each other; ) on the opening and the fastening means (34) on the passenger compartment, a means of comparison with a threshold of the energy consumed by the final traction means (39), and a control unit (3) including said comparison means, the control unit (3) being connected to an electric current sensor I for supplying a motor (26) for driving the final traction means (39), characterized in that the control unit is connected to a means of determining the current threshold which would have been necessary if the two safety notches had been normally switched on, the control unit (3) being able to emit an anomaly signal in the direction of a man / machine interface when the electric current I is lower than current threshold. Système selon la revendication 1, comprenant une unité de contrôle (3), reliée à un moyen de détermination de la température extérieure, et apte à actionner le moyen de traction finale (39) ; la durée d'actionnement étant fonction de ladite température.System according to claim 1, comprising a control unit (3), connected to a means for determining the outside temperature, and able to actuate the final traction means (39); the actuation duration being a function of said temperature. Système selon la revendication 2, dans lequel l'unité de contrôle (3) est apte à déterminer le seuil d'énergie en fonction de la température extérieure.System according to claim 2, wherein the control unit (3) is able to determine the energy threshold as a function of the outside temperature. Système selon l'une des revendications précédentes, dans lequel la serrure double cran (2) comprend un levier (6) muni d'une butée (17) destinée à coopérer avec des crans (13, 14) du pêne de serrure (7), ledit levier (6) étant actionné par un mécanisme d'armement (4, 5), entre une position de dégagement destinée à l'ouverture de la serrure (1), et une position de plaquage contre les crans du pêne de la serrure (17) ; la serrure comprenant en outre un capteur de position (20) situé de manière à être activé par ledit levier (6) lorsque celui-ci est dans la position de plaquage, et/ou lorsque le pêne de serrure (7) est dans la deuxième position de verrouillage (14).System according to one of the preceding claims, wherein the double-notch lock (2) comprises a lever (6) provided with a stop (17) intended to cooperate with notches (13, 14) of the lock bolt (7). , said lever (6) being actuated by a cocking mechanism (4, 5), between a release position for opening the lock (1), and a plating position against the notches of the lock bolt (17); the lock further comprising a position sensor (20) located to be activated by said lever (6) when the latter is in the plating position, and / or when the lock bolt (7) is in the second position locking position (14). Système selon l'une des revendications précédentes dans lequel le dispositif de gâche comprend un anneau mobile (10) par rapport au moyen de fixation (34) du dispositif de gâche ; le moyen de traction finale (39) étant intégré au dispositif de gâche (2) et comprenant un moteur (26) commandable apte à entraîner l'anneau (10).System according to one of the preceding claims wherein the striker device comprises a movable ring (10) relative to the fastening means (34) of the striker device; the final traction means (39) being integrated in the latch device (2) and comprising a motor (26) controllable capable of driving the ring (10). Système selon la revendication 5, dans lequel l'anneau est mobile entre une position retirée (30) et une position sortie (29) ; le dispositif de gâche (2) comprenant en outre un capteur de position (32) conçu pour détecter la position sortie (29) et/ou un capteur de position (32) conçu pour détecter la position retirée (30).The system of claim 5, wherein the ring is movable between a withdrawn position (30) and an exit position (29); the striker device (2) further comprising a position sensor (32) for detecting the output position (29) and / or a position sensor (32) for detecting the retracted position (30). Véhicule présentant un ouvrant apte à fermer une ouverture (36) de l'habitacle du véhicule et comprenant un système de fermeture de l'ouvrant selon l'une des revendications précédentes, dans lequel un joint compressible (38) est disposé entre l'habitacle et l'ouvrant, le moyen de traction finale (39) étant apte à comprimer ledit joint (38).Vehicle having an opening adapted to close an opening (36) of the passenger compartment of the vehicle and comprising a sash closing system according to one of the preceding claims, wherein a compressible seal (38) is disposed between the passenger compartment and the opening, the final traction means (39) being able to compress said seal (38). Procédé de contrôle de la fermeture d'un ouvrant de véhicule automobile avec joint compressible (39), utilisant une serrure double cran (1) comprenant un pêne (7) de la serrure conçu pour coopérer avec un dispositif de gâche (2) en passant successivement au cours de la fermeture de l'ouvrant par une première (13) puis par une deuxième (14) position de verrouillage ; dans lequel on actionne un moyen de traction finale (39) lorsque le pêne de la serrure est dans la deuxième position de verrouillage , caractérisé par le fait qu'on détermine si le courant électrique consommé par un moteur 26 d'un moteur (26) d'entraînement du dispositif de gâche (2) est inférieur à celui qui aurait été nécessaire si les deux crans de sécurité avaient été normalement enclenchés et qu'on en déduit l'existence éventuelle d'une anomalie lors de la fermeture.Method for controlling the closure of a motor vehicle door with compressible seal (39), using a double-notch lock (1) comprising a bolt (7) of the lock designed to cooperate with a latch device (2) passing successively during closing of the opening by a first (13) and then by a second (14) locking position; in which a final traction means (39) is actuated when the bolt of the lock is in the second locking position, characterized in that it is determined whether the electric current consumed by a motor 26 of an engine (26) The drive device of the striker device (2) is less than that which would have been necessary if the two safety catches had been normally engaged and that the existence of an anomaly during the closing is deduced. Procédé selon la revendication 8, dans lequel on tient compte de la température extérieure pour la commande de la traction finale.The method of claim 8, wherein the outside temperature is taken into account for controlling the final traction.
EP09305397A 2008-05-13 2009-05-05 System and method for motorised closing of a vehicle door with compressing seal Withdrawn EP2119857A1 (en)

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FR0853082A FR2931185A1 (en) 2008-05-13 2008-05-13 MOTORIZED CLOSURE SYSTEM AND METHOD FOR VEHICLE OPENING WITH COMPRESSIBLE SEAL

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EP2119857A1 true EP2119857A1 (en) 2009-11-18

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