EP4112855A1 - Verfahren zum auswerfen eines flush-griffs unter frostbedingungen - Google Patents

Verfahren zum auswerfen eines flush-griffs unter frostbedingungen Download PDF

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Publication number
EP4112855A1
EP4112855A1 EP22181320.7A EP22181320A EP4112855A1 EP 4112855 A1 EP4112855 A1 EP 4112855A1 EP 22181320 A EP22181320 A EP 22181320A EP 4112855 A1 EP4112855 A1 EP 4112855A1
Authority
EP
European Patent Office
Prior art keywords
handle
ejection
forcing
cavity
amplitude
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP22181320.7A
Other languages
English (en)
French (fr)
Other versions
EP4112855C0 (de
EP4112855B1 (de
Inventor
David MARTINEZ NOVAS
Oscar José VAZQUEZ CARBALLO
Javier Delmiro COUTO MAQUIEIRA
Alberto Diez Estevez
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.)
Akwel Vigo Spain SL
Original Assignee
Akwel Vigo Spain SL
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 Akwel Vigo Spain SL filed Critical Akwel Vigo Spain SL
Publication of EP4112855A1 publication Critical patent/EP4112855A1/de
Application granted granted Critical
Publication of EP4112855C0 publication Critical patent/EP4112855C0/de
Publication of EP4112855B1 publication Critical patent/EP4112855B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/10—Handles
    • E05B85/103—Handles creating a completely closed wing surface
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0016—Defrosting, e.g. heating devices
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/34—Protection against weather or dirt, e.g. against water ingress
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • 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
    • E05B81/56—Control of actuators
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/10—Handles
    • E05B85/107—Pop-out handles, e.g. sliding outwardly before rotation

Definitions

  • the invention relates to the technical field of exterior opening controls for the opening of a vehicle, in particular a motor vehicle.
  • the invention relates more particularly to an opening control with a “flush” type handle, that is to say that the support on which the handle is movably mounted forms a cavity capable of receiving the handle in the retracted configuration.
  • the outer surface of the handle In this retracted configuration, the outer surface of the handle is flush with the outer surface of the outer wall of the opening.
  • the handle emerges at least partially from the cavity of the support so as to be able to be gripped by a user of the vehicle in order to open the door. To do this, the user can move the handle further outward to control the door lock.
  • the opening control comprises an electric ejection mechanism of the handle to allow the grip of the handle by the user and thus the opening of the leaf.
  • the electric ejection mechanism operates from an electric power supply delivered for example by a battery of the motor vehicle and can be remotely controlled electronically using a key, a mobile telephone or any other device allowing remote communication.
  • a layer of ice can form on the outside of the vehicle and come to block the ejection of the handle which, in its flush position, is then not accessible to gripping by the user.
  • the published patent document US 8701353 B2 discloses a “flush” type handle device for motor vehicle doors.
  • This device comprises motorization of the handle, namely that the latter is moved from a position where it is retracted to a deployed or extended position. The reverse movement is ensured by a spring or by the motorization in question.
  • This device may also include de-icing means such as a resistive element arranged in the handle in question. It is also proposed to operate the electric motor to move the handle slightly outward to break the ice. This operation is for example carried out periodically according to predefined criteria and preferably in combination with the use of a heating element.
  • the disadvantage due to the de-icing process of the prior art is that it turns out to be inefficient in breaking the ice in a sufficiently short time, in particular in that they generally also require the use of a heating element, the heating time of which can be relatively long. This more or less long wait then produces in the user discomfort and a feeling of mediocre quality of the motor vehicle due to prolonged blocking of the opening of his motor vehicle.
  • the object of the invention is to overcome the problem of blockage by the formation of ice of a handle of the "flush" type in a simple, economical and effective manner.
  • the subject of the invention is in particular a method for ejecting an opening control from a motor vehicle door that is likely to be rendered inoperative by frost, the opening control comprising a support mounted on the opening and forming a cavity with an opening, a handle mounted to move between a retracted position flush in the cavity and a position ejected outside the cavity and a member for moving the handle between the two positions,
  • the method comprises a step of transmitting a handle ejection control signal with a predefined setpoint amplitude to generate electrical energy for driving ejection of the handle by the displacement member, characterized in that, when at least one freezing condition is verified, the method comprises a step of transmitting a forcing signal comprising at least one series of pulses oscillating between a high state and a low state, the high or low state being defined a with a forcing amplitude greater in absolute value than the setpoint amplitude to generate electrical energy for driving the handle by the displacement member respectively in ejection in an ejection direction in the high state or
  • the handle can be released from its grip of freezing by a forcing signal according to the invention.
  • the series of forcing signal pulses has an alternating gate pattern oscillating between high and low states.
  • each pulse has a substantially vertical rising edge and falling edge.
  • the ejection command signal comprises a ramp profile until reaching the setpoint amplitude value.
  • the freezing condition is the detection of an outside temperature below a critical temperature, for example a critical temperature of 5°C.
  • the forcing amplitude is at least 1.5 times greater than the setpoint amplitude and preferably 2 times greater.
  • the forcing signal pulses have a frequency greater than 1 Hz and preferably greater than 2 Hz.
  • the method in freezing conditions, comprises a step of sudden release, during a falling edge of the forcing signal, of the action of a spring on the handle acting to return the handle in the direction of retraction and out of the freezing condition, the method comprises a step of progressive release of the action of the spring on the handle.
  • control unit of a motor vehicle for implementing the ejection method according to the invention, comprising a data storage module and a processor, characterized in that the storage module comprises a software module comprising software instructions whose execution by the processor makes it possible to implement the corresponding steps of a method according to any one of the preceding claims.
  • the subject of the invention is a software module which can be loaded into a data storage module of a control unit according to the preceding claim, characterized in that the software module comprises software instructions for carrying out the method steps according to the invention, when the software instructions are executed by the control unit.
  • the opening control 10 is intended to be mounted on an exterior panel 50 of the bodywork of an opening which is for example a vehicle side door.
  • the opening control 10 essentially comprises, for example, a fixed support or casing having a receiving cavity (not shown in the figures) and a handle 12 intended to be movably mounted inside the cavity.
  • the support In service, the support is intended to be fixed to the opening 50.
  • the handle 12 is, in the example described, mounted articulated with respect to the panel, around a geometric pivot axis Al, on the support. Al pivot axis is in substantially vertical service position and extends parallel to the general plane of the outer panel.
  • the support has a generally parallelepipedal shape and is adapted to be housed in a cutout or a recess in the outer panel of the opening 50 such that its outer face is flush with the surface of the outer panel of the opening.
  • the support is also, in this example, open on the side of its outer face and delimits the cavity intended to house the handle 12.
  • the handle 12 is shown in detail in [ Fig.2 ].
  • the handle 12 has an outer portion 12.1 that the user can grasp and, unlike the outer portion 12.1, the handle 12 has an inner portion 12.2 which is intended to extend inside housing housing.
  • the handle 12 includes a handle 14 for gripping, which overall has a flat and elongated shape.
  • the handle 12 is of the "flush" type, that is to say that the cavity of the support is sized to receive the handle 12 flush in a retracted or retracted configuration.
  • the outer surface of the handle 12 is flush with the outer surface of the outer wall of the opening 50.
  • the handle 12 comes out at least partially from the cavity of the support so as to be able to be grasped. by a vehicle user to open the door. To do this, the user can pull the handle 12 further outwards in order to control the door lock.
  • the outer surface of the opening control 10 coincides with the outer surface of the opening.
  • the opening control 10 is intended to cooperate with a lock (not shown) of the door of the motor vehicle capable of adopting a locked configuration and an unlocked configuration.
  • a lock (not shown) of the door of the motor vehicle capable of adopting a locked configuration and an unlocked configuration.
  • the pivoting of the handle 12 around its axis of articulation Al actuates the lock in one or the other of its two locked or unlocked configurations via a kinematic drive chain (not shown in the figures).
  • the opening control 10 preferably comprises a return lever 16.
  • This return lever 16 comprises, in the example described, a rotating cage and a return shaft as well as a return return spring intended to be housed in inside the rotating cage.
  • the rotating cage includes for example a means for retaining one end of a Bowden cable (not shown).
  • the opening control 10 further comprises a member 20 for moving the handle in pivoting allowing electrical actuation of the ejection and/or retraction of the handle 12.
  • This displacement member 20 comprises an electrical actuation part 22 and a mechanical actuation part 24.
  • the electrical actuation part 22 comprises in this example an electric actuator which preferably comprises a linear actuator provided with one end cooperating with the mechanical actuation part 24.
  • the mechanical actuating part 24 is in the form of a pivoting lever 26 preferably mounted tilting around the pivot axis Al of the handle 12.
  • the pivoting lever 26 is connected to the handle 12 by at least one common axis of rotation Al fixed relative to the housing.
  • This pivoting lever 26 has for example the general shape of a stirrup through which the internal portion 12.1 of the handle 12 can be engaged ([ Fig.2 ]).
  • the stirrup 26 preferably comprises a body delimiting an armature inside which the internal branch 12.2 of the handle 12 can be introduced.
  • this stirrup 26 can pivot around an axis Al common to the handle 12 which is integral with the casing.
  • the stirrup 26 has the overall frontal shape of a general hoop inside which the internal branch 12.2 is introduced in a direction of insertion substantially perpendicular or slightly oblique to the plane containing the hoop.
  • the opening control 10 further comprises a return member connected to the bracket 26.
  • This return member acts to return the bracket 26 to a rest position corresponding to the retracted configuration of the handle 12.
  • This return member preferably comprises a stirrup spring having two outer legs and a central part.
  • the mechanical part 24 also comprises a transverse ejection arm 28 which extends transversely to the longitudinal direction of the handle 12.
  • the linear cylinder of the mechanical actuator 22 cooperates with the lever 26 via the transverse ejection arm 28 which is configured to drive the lever 26 against the return force of the spring of the ejection lever 26, for example by coming to rest against the lever 26 .
  • the motor vehicle also generally comprises a control unit, forming part of an assembly commonly referred to as "computer board" of the motor vehicle.
  • This control unit comprises a module for storing at least one main software module comprising software instructions allowing the control of the ejection and retraction movement of the handle 12.
  • the control unit also comprises in a conventional and known manner a processor which allows the implementation of the main software module for controlling the movement of the handle 12.
  • control unit of the motor vehicle further comprises an additional software module, loaded into its storage module, comprising software instructions whose execution by the processor makes it possible to implement the steps of a opening protocol in the event of freezing weather conditions, hereinafter referred to as "freezing protocol".
  • handle 12 is in its flush position and ejector lever spring 26 is in a rest position.
  • the control unit delivers an ejection control signal for the handle 12 with a setpoint amplitude Vc predefined.
  • Vc voltage signal of amplitude “Vc” ([ Fig.4 ]) supplying the actuator 22 with electrical energy.
  • the actuator 22 then converts this electrical energy by into mechanical energy for the longitudinal displacement of its cylinder.
  • control signal W0 for the ejection of the handle 12 has been shown under normal conditions (excluding freezing) of the opening control.
  • This control signal W0 has a duration D0 and comprises a voltage ramp starting for example from a zero voltage and reaching a voltage plateau Vc corresponding to the setpoint amplitude voltage.
  • the voltage ramp of this control signal W0 allows in particular a gradual, progressive and non-brutal ejection of the handle 12.
  • the actuator 22 transmits a movement via the cylinder to the ejection arm 28.
  • the ejection arm 28 is configured to drive the lever 26 against the return force of the spring of the ejection lever, for example by resting against the lever 26.
  • the electric actuator 22 then causes the pivoting of the lever 26 until the handle 12 is positioned in the final ejected position.
  • the user of the motor vehicle can, for example, give a closing order to the on-board computer of the motor vehicle which sends a retraction control signal to the actuator 22.
  • This order causes the cylinder of the actuator to move. 22 in a direction opposite to the direction of ejection of the handle 12.
  • the actuator 22 is for example supplied with an opposite polarity which allows the movement of the ejection arm 28 in the reverse.
  • the ejection arm 28 then preferably accompanies the movement of the stirrup 26 that the return spring tends to mechanically return to a retracted rest position.
  • the method according to the invention preferably comprises a step 102 of verifying the ejection of the handle 12. In the event that the ejection of the handle 12 succeeds, the method comprises a step 112 of stopping the ejection protocol of the handle 12.
  • the “freezing” protocol comprises at least a first step 104 of launching a first attempt to eject the handle 12.
  • this first ejection attempt comprises an ejection control signal W0 as described above.
  • the method comprises a step 114 of finalizing the ejection of the handle 12 and a final step 112 of stopping the protocol.
  • the method preferably comprises a step 106 of checking for a freezing condition.
  • This freezing condition may include the detection of a temperature below a critical temperature, such as an outside temperature of 5°C.
  • the control unit delivers, during a forcing step 110, a forcing signal comprising at least one series of pulses W1 oscillating between a high state "H” and a low state “L”, and preferably two series of pulses W1 and W2, spaced apart for example by a duration D1.
  • the high “H” or low “L” state is defined with a greater forcing amplitude V1 or V2 in absolute value than the setpoint amplitude Vc in order to generate electrical energy for driving the handle 12 by the displacement member 20 respectively in ejection in an ejection direction in the state up or in retraction in a retraction direction in the down state in order to release the handle 12 by a series of alternating jerks.
  • the voltage V1 or the forcing voltage V2 is at least 1.5 times greater than the setpoint voltage Vc and preferably 2 times greater.
  • voltages V1 and V2 have opposite signs but preferably have the same absolute value.
  • the forcing signal WF has an alternating slotted profile oscillating between the high “H” and low “L” states.
  • each pulse has a substantially vertical rising edge and a falling edge, that is to say slightly inclined with respect to the vertical axis.
  • the change of high or low state therefore takes place suddenly over a very short period of time and not gradually in the form of a ramp as for the ejection control signal W0.
  • the pulses of the forcing signal WF have a frequency greater than 1 Hz and preferably greater than 2 Hz.
  • the pulses of the signal have a frequency comprised between 1 Hz and 5 Hz.
  • the forcing signal WF causes a sudden release of the action of the spring of the lever 26 on the handle 12 acting to return the handle 12 in the direction of retraction while out of freezing condition, the release of the action of the spring on the handle 12 is progressive. It is therefore understood that the forcing signal WF causes several sudden alternating jolts of high amplitude likely to exceed the resistance to ejection of the handle 12 produced by the layer of gel.
  • the method comprises the step of finalizing the ejection 114. Otherwise, the method comprises a step 108 of launching a second attempt to eject handle 12. As shown in [ Fig.5 ], this second ejection attempt comprises an ejection control signal W0 as described above.
  • the method comprises the step 108 of launching a second ejection test 108 .

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  • Lock And Its Accessories (AREA)
  • Toys (AREA)
  • Percussive Tools And Related Accessories (AREA)
EP22181320.7A 2021-06-29 2022-06-27 Verfahren zum auswerfen eines flush-griffs unter frostbedingungen Active EP4112855B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2106978A FR3124538B1 (fr) 2021-06-29 2021-06-29 Procédé d’éjection d’une poignée « Flush » dans des conditions de gel

Publications (3)

Publication Number Publication Date
EP4112855A1 true EP4112855A1 (de) 2023-01-04
EP4112855C0 EP4112855C0 (de) 2026-01-28
EP4112855B1 EP4112855B1 (de) 2026-01-28

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EP22181320.7A Active EP4112855B1 (de) 2021-06-29 2022-06-27 Verfahren zum auswerfen eines flush-griffs unter frostbedingungen

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EP (1) EP4112855B1 (de)
FR (1) FR3124538B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117988640A (zh) * 2024-03-05 2024-05-07 中国第一汽车股份有限公司 车辆隐形门把手防冻方法、装置、电子设备及存储介质
CN118008059A (zh) * 2024-01-05 2024-05-10 北京新能源汽车股份有限公司 汽车门把手的控制方法、装置、汽车及存储介质
CN118148451A (zh) * 2024-04-02 2024-06-07 安徽江淮汽车集团股份有限公司 一种弹出式隐藏车门把手的防结冰算法
CN118323045A (zh) * 2024-05-08 2024-07-12 长广溪智能制造(无锡)有限公司 智能除冰方法、装置、设备及存储介质

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116498168B (zh) * 2023-04-27 2025-09-05 奇瑞新能源汽车股份有限公司 一种隐藏式门把手的防冰冻控制策略
CN117988641B (zh) * 2024-03-05 2026-04-28 中国第一汽车股份有限公司 车辆隐形门把手解除冻结方法、电子设备及存储介质

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8701353B2 (en) 2012-06-29 2014-04-22 Ford Global Technologies, Llc Deployable door handle for vehicles
CN105133969A (zh) * 2011-06-21 2015-12-09 捷豹路虎有限公司 用于车门或类似结构的可缩回把手装置
DE102014110091A1 (de) * 2014-07-18 2016-01-21 Huf Hülsbeck & Fürst Gmbh & Co. Kg Griffvorrichtung zum Betätigen einer Schließvorrichtung
US9512662B1 (en) * 2015-05-15 2016-12-06 Ford Global Technologies, Llc Ice breaking strategy for vehicle side windows
US10435924B1 (en) * 2018-06-26 2019-10-08 Ford Global Technologies, Llc Vehicle door handle having ice handling
FR3101577A1 (fr) * 2019-10-04 2021-04-09 Psa Automobiles Sa Méthode et dispositif préventifs en cas de gel, d'un blocage d'un organe de préhension d'une poignée "flush" équipant un ouvrant de véhicule automobile.
CN112814504A (zh) * 2020-12-29 2021-05-18 宝能(广州)汽车研究院有限公司 隐藏式门把手及其破冰方法、车辆和存储介质

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105133969A (zh) * 2011-06-21 2015-12-09 捷豹路虎有限公司 用于车门或类似结构的可缩回把手装置
US8701353B2 (en) 2012-06-29 2014-04-22 Ford Global Technologies, Llc Deployable door handle for vehicles
DE102014110091A1 (de) * 2014-07-18 2016-01-21 Huf Hülsbeck & Fürst Gmbh & Co. Kg Griffvorrichtung zum Betätigen einer Schließvorrichtung
US9512662B1 (en) * 2015-05-15 2016-12-06 Ford Global Technologies, Llc Ice breaking strategy for vehicle side windows
US10435924B1 (en) * 2018-06-26 2019-10-08 Ford Global Technologies, Llc Vehicle door handle having ice handling
FR3101577A1 (fr) * 2019-10-04 2021-04-09 Psa Automobiles Sa Méthode et dispositif préventifs en cas de gel, d'un blocage d'un organe de préhension d'une poignée "flush" équipant un ouvrant de véhicule automobile.
CN112814504A (zh) * 2020-12-29 2021-05-18 宝能(广州)汽车研究院有限公司 隐藏式门把手及其破冰方法、车辆和存储介质

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118008059A (zh) * 2024-01-05 2024-05-10 北京新能源汽车股份有限公司 汽车门把手的控制方法、装置、汽车及存储介质
CN117988640A (zh) * 2024-03-05 2024-05-07 中国第一汽车股份有限公司 车辆隐形门把手防冻方法、装置、电子设备及存储介质
CN118148451A (zh) * 2024-04-02 2024-06-07 安徽江淮汽车集团股份有限公司 一种弹出式隐藏车门把手的防结冰算法
CN118323045A (zh) * 2024-05-08 2024-07-12 长广溪智能制造(无锡)有限公司 智能除冰方法、装置、设备及存储介质
WO2025232035A1 (zh) * 2024-05-08 2025-11-13 长广溪智能制造(无锡)有限公司 智能除冰方法、装置、设备及存储介质

Also Published As

Publication number Publication date
EP4112855C0 (de) 2026-01-28
EP4112855B1 (de) 2026-01-28
FR3124538B1 (fr) 2026-01-02
FR3124538A1 (fr) 2022-12-30

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