EP1469149A1 - Flügelbetätigungsvorrichtung - Google Patents

Flügelbetätigungsvorrichtung Download PDF

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Publication number
EP1469149A1
EP1469149A1 EP04290699A EP04290699A EP1469149A1 EP 1469149 A1 EP1469149 A1 EP 1469149A1 EP 04290699 A EP04290699 A EP 04290699A EP 04290699 A EP04290699 A EP 04290699A EP 1469149 A1 EP1469149 A1 EP 1469149A1
Authority
EP
European Patent Office
Prior art keywords
handle
vehicle
opening
response
sensor
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
EP04290699A
Other languages
English (en)
French (fr)
Other versions
EP1469149B1 (de
Inventor
Jérôme Coudre
Olivier Le Moullec
Nicolas Marier
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Publication of EP1469149A1 publication Critical patent/EP1469149A1/de
Application granted granted Critical
Publication of EP1469149B1 publication Critical patent/EP1469149B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
    • E05B81/78—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles as part of a hands-free locking or unlocking operation
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
    • G07C2209/63—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle
    • G07C2209/65—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle using means for sensing the user's hand

Definitions

  • the present invention relates to a device actuator for a vehicle opening, comprising a base intended to be arranged on the outside of said opening and a handle movably linked to said base and able to be actuated in a direction of opening to control an opening of said opening.
  • a hands-free access system consists of an identifier portable intended to be carried by an authorized user of the vehicle and a communication device on board the vehicle. These two organs are capable of performing a two-way remote dialogue for authenticate the user.
  • the on-board communication device controls unlocking doors. It is known, for example from DE10052308A, to initiate communication in response to the pull of a handful of door, which can be detected using a coupled mechanical switch to the handle. It is also known to trigger communication by response to the presence of the user's hand in the vicinity of the door handle, which can be detected using a capacitive sensor or infrared. All of these detectors have drawbacks.
  • mechanical contactors are devices who age quickly.
  • switching the contactor requires a certain displacement, which must be regulated by making a compromise between the contactor response time, which is proportional to the displacement to be performed, and the probability a fortuitous switching, of origin for example vibratory, which depends in the opposite direction on the movement to be carried out.
  • Capacitive and infrared sensors require microcontroller, so they have a cost and a consumption relatively high electric power. In addition, these sensors are often too sensitive, in the sense that any object approaching the door handle is perceived as the user's hand. This results in triggers nuisance consuming energy. In addition, due of electrostatic interactions, capacitive sensors can exhibit a different answer depending on the clothing worn by the user. Finally, all these sensors are sensitive to the environment (frost, corrosion, dust, dirt).
  • the invention aims to remedy at least some of these disadvantages.
  • the invention provides a device of the type mentioned first, characterized by the fact that it comprises at least one strain sensor coupled to said handle and arranged so as to receive at least one constraint resulting in the production of least one detection signal in response to actuation of said handle in at least one direction from said opening direction and an opposite direction.
  • a stress sensor has the advantage of reacting to a effort, without significant displacement being necessary. So it is possible to detect an actuation of the handle in the direction of the opening, which is the normal movement of a handle from its rest position, but also in the opposite direction, even if no significant handle stroke is expected in this direction. It It also follows that the response time of the sensor can be very short. However, detection requires a real effort to be made on the handle, so that remote nuisance trips are avoided.
  • said stress sensor is arranged to so as to receive a first constraint resulting in the production of a first detection signal in response to actuation of said handle in said opening direction and to receive a second constraint resulting in the production of a second detection signal in response to actuation of said handle in said direction opposite.
  • This configuration is particularly advantageous, since a single sensor can detect and distinguish two types actuation of the handle, for example to control actions different. This is not possible with the other aforementioned sensors. In particular, two mechanical contactors would be required to detect the two types of actuation of the handle.
  • said a stress sensor is arranged in said handle. So the sensor can detect traction or pressure exerted on the handle.
  • a kinematic chain intended to connect said handle to a lock of said opening, said stress sensor being arranged in said kinematic chain.
  • a kinematic chain can have many shapes and a greater or lesser number of moving parts coupled so as to transmit the movement of the handle up to a lock, such as levers, rods, wheels, etc. There is usually one or more several locations, in particular at the interfaces between these parts, allowing integration of the sensor. The sensor then receives the constraints from the opening handle through the kinematic chain or the portion of kinematic chain located between it and him.
  • said stress sensor is arranged between two levers of said kinematic chain which are prestressed towards each other.
  • one of said levers is rigidly linked to said handle. So the force exerted on the handle is well transmitted to the sensor, without games delaying or dampen this transmission.
  • said sensor stress is a piezoelectric sensor having at least one variable electrical characteristic depending on the constraints it receives.
  • the variable electrical characteristic is a force electromotive whose amplitude and sign depend on the pressure received.
  • the sensor can also be piezoresistive, having a resistance electric variable according to the stress. Piezoelectric sensors have a lower cost than capacitive sensors or infrared. They are less sensitive to environmental conditions. They have a small footprint and can be designed with various forms, which facilitates their integration into the device.
  • said strain sensor does not produce said or each detection signal only in response to a variation of said constraint.
  • the sensor is indifferent to the constraints static.
  • a pre-treatment circuit is provided. connected to said stress sensor to format said signal detection or said detection signals.
  • This circuit can for example be integrated into the handle or its base.
  • a connected control unit is provided said stress sensor and able to control at least one action of activation of the vehicle in response to the detection signal which is produced in response to actuation of said handle in said opening direction.
  • activation action designates any action which prepares the vehicle for next use. Many actions can be ordered in this way.
  • said at least one setting action in operation includes at least one action among the trigger a radio frequency transmission to a portable identifier, switching on a vehicle or car radio lighting and adjusting automatic movement of a moving element of said vehicle, for example reversing a seat to facilitate boarding or deploying a mirror.
  • a connected control unit is provided said stress sensor and able to control at least one action of deactivation of the vehicle in response to the detection signal which is produced in response to actuation of said handle in said opposite direction.
  • This control unit can be another or preferably the same as that mentioned above.
  • deactivation action designates any action which prepares the vehicle for a period of inactivity. Many actions can be ordered in this way.
  • said at least one setting action off function includes at least one action from closing opening of the vehicle, in particular the windows, the locking of opening of the vehicle, switching off a vehicle lighting or a radio, the automatic adjustment of a mobile element of said vehicle, for example the retraction of a rear view mirror, and the activation of an alarm.
  • the invention applies to any opening of a vehicle, such as a door or a tailgate.
  • FIG. 1 there is shown schematically and partially a vehicle 18 having a roof wall 19, a wall of floor 20 and a side door 1, which carries a lock 2 and a handle assembly 3.
  • FIG. 2 shows the handle assembly 3 according to a first embodiment.
  • the handle assembly 3 includes a base 4 which is intended to be fixed on the external surface of the door 1 according to the known technique.
  • the handle assembly 3 includes also a pivoting handle 5 which is connected to the base 4 by an axis vertical pivoting not shown and which is recalled by a spring not shown to the rest position shown on the figure 2.
  • the arrow Fb represents the direction of the force that the user exerts on the handle 5 to open the door 1, that is to say a force of traction.
  • the arrow Fa represents the direction of the force exerted the user on the handle 5 to close the door 1, that is to say a pushing force.
  • the handle 5 is functionally connected to the lock 2 by a kinematic chain 17.
  • This kinematic chain 17 makes it possible to known manner, to transmit the tensile movement of the handle 5 to lock 2 to trigger the release of the bolt from the lock 2 and thus open the door 1.
  • a kinematic chain can be carried out using a number of levers and / or rods, a in a manner known per se.
  • the drive train 17 has a first lever arm 21 which is rigidly fixed to the handle 5 and which is engaged so sliding through the base 4 towards the inside of the door 1.
  • the arm lever 21 carries an actuating tab 22 intended to cooperate with a pivoting lever not shown.
  • the handle 5 is a hollow plastic body in which placed a piezoelectric sensor 6.
  • the piezoelectric sensor 6 schematically comprises a crystal piezoelectric 10 placed between two electrodes 8a and 8b.
  • a captor suitable is available from MURATA.
  • a wire of electrode 7a connects electrode 8a to a pre-treatment circuit 9.
  • a wire of electrode 7b connects electrode 8b to the pre-treatment circuit 9.
  • circuit 9 is an electronic module housed in the handle 5.
  • the piezoelectric sensor 6 produces a voltage U which depends on the variation of the stress of pressure exerted on the electrode 8a or the electrode 8b.
  • the voltage signal U takes the form shown schematically in figure 11a.
  • the signal of voltage U takes the form shown schematically in figure 11b.
  • the sensor 6 produces two signals of opposite signs.
  • the handle 5 has a flexible membrane on its inner face covering the piezoelectric sensor 6.
  • a membrane is not necessary, because the handle 5 made in the form of a hollow body in plastic has sufficient flexibility for the force to be transmitted to the sensor 6.
  • the user pushes the door by exerting the force Fa on the handle 5 the slight bending elastic of handle 5 is sufficient to produce a detectable pressure on the electrode 8a.
  • a separate voltage signal U is thus obtained depending on whether the force Fa or Fb is exerted on the handle 5.
  • the displacement of the handle 5 which is necessary for this detection can be made very low by a corresponding setting of the detection threshold of sensor 6. If a static pressure is exerted on the electrode 8a or 8b, no signal from tension doesn't last long term. Indeed, the piezoelectric sensor 6 responds only to stress variations.
  • the preprocessing circuit 9 puts form the voltage signal U to transmit it on a cable link 12 also shown in Figures 1 and 2.
  • Pre-treatment performed by circuit 9 consists in detecting the edges respectively rising and falling edges in the voltage signal U it receives entrance. At the output on the connecting cable 12, each rising edge is translated by a slot on the first wire 12a, while each front descending is translated by a slot on the second wire 12b. So in response to a pressure on the electrode 8a, the voltage signal 11a is translated in the form of a first slot on wire 12a followed in the time of a second slot on wire 12b.
  • the output voltage signal is constituted of a first slot on wire 12b followed in time by a second slot on the wire 12a, which are shown in broken lines.
  • the circuit 9 can also include a filter to eliminate noise of vibratory origin.
  • Circuit 9 could be made in the form of a programmed microcontroller.
  • the piezoelectric sensor 6 is represented in the form of a equivalent electrical circuit including a voltage generator 30 in series with a resistor 31.
  • the type of sensor used produces a signal voltage U which always has a substantially sinusoidal shape in response to a variation in stress, two opposite sinusoids being obtained in response to two constraints of opposite directions.
  • the signal from voltage U is produced between the electrode wires 7a and 7b.
  • a rectifier group 32a formed by a resistor and a diode Zener in parallel, ensures that the potential of wire 7a is positive if the voltage U is positive and zero if voltage U is negative.
  • the rectifier group 32b makes the potential of the wire 7b zero if the voltage U is positive and positive if voltage U is negative.
  • the diodes Zener are also used to clip the output voltage of sensor 6 to a level less than the maximum admissible input voltage by amplifiers 33a and 33b.
  • the clipping level is defined by the inverse threshold of the diodes Zener, which is for example 8.2 V in the embodiment represented.
  • An operational amplifier 33a linearly amplifies the potential of the wire 7a, respectively 7b, potentials which are therefore always positive or zero.
  • a comparator 34a compare the signal at the output of amplifier 33a or 33b at a predetermined positive threshold, for example 5 V, which is imposed by a voltage divider bridge 35.
  • a tilting of 0 to 12 V is obtained as soon as the voltage U crosses upwards a predetermined positive threshold, which can be set with the bridge voltage divider 35 and the amplification ratio of amplifier 33a, and a return to 0 V as soon as the voltage U falls below this positive threshold.
  • comparator 34b which is connected to wire 12b, there is a switch from 0 to 12 V as soon as the voltage U crosses down a predetermined negative threshold, which can be adjusted with the voltage divider bridge 35 and the amplification ratio of the amplifier 33b, and a return to 0 V as soon as the voltage U returns above of this negative threshold.
  • an optional capacity can be provided, shown as example in figure 36, to filter out parasites.
  • the connecting cable 12 has a connector 13 which allows it to be connected to a control unit 14, for example a microcontroller. According to the order of arrival of the slots on the wires 12a and 12b, the control unit 14 is informed of the appearance of a effort on the handle 5 and also the direction of this effort.
  • Vehicle 18 is equipped with a hands-free access system.
  • the control unit 14 controls a transmitter on board 15 of vehicle 18 to send an interrogation signal to destination of the portable identifier.
  • a two-way dialogue, by radio link, is then engaged in a manner known per se.
  • the control unit 14 can also be connected to actuators, like the actuator shown diagrammatically in the figure 16 in FIG. 1.
  • actuators like the actuator shown diagrammatically in the figure 16 in FIG. 1.
  • the control unit 14 can control different actions for putting the vehicle into service, for example the deployment of a rear view mirror, the recoil of a seat to facilitate the ascent on board passengers, switching on interior lighting, etc.
  • the control unit 14 can control various actions to decommission the vehicle. For example, these decommissioning actions may be locking the lock 2, switching off the headlights, lifting the windows, etc.
  • the unit of command 14 can command separate actions depending on the number of presses or the number of pulls exerted on the handle 5. For example, a simple push on the handle 5 will cause the door 1 locked and a double push, in a brief predetermined time interval, will result in the conviction of all the doors or the super-conviction.
  • FIG. 4 represents a handle assembly 103 according to a second embodiment, which can be used in place of the assembly handle 3 above. Elements analogous to those of the first mode of achievement carry the same reference figure increased by 100 and do not are not described again.
  • the piezoelectric sensor 106 is not in the handle 105, but it is fixed on the surface facing the base 104 of the actuating tab 122 to the end of the lever arm 121.
  • a lever 123 forming part of the above-mentioned kinematic chain, is mounted on a pivot around an axis 124 secured to the base 104.
  • a spring not shown, constrains the lever 123 in the direction of arrow R, so as to press the lever arm 125 against the actuating tab 122.
  • the piezoelectric sensor 106 is thus permanently prestressed between the lever arm 125 and the lug actuator 122, which press on their respective electrodes.
  • the handle 105 can be pulled in the opening direction of the door, which creates an increase in the instantaneous pressure between the electrodes of the piezoelectric sensor 106 and causes the production of a first voltage signal. From the rest position shown in Figure 4, the handle 105 can also be pushed in the closing direction of the door, because the handle 105 rests on the base 104 through a elastic buffer 126, for example made of rubber. Such a push creates a decrease in the instantaneous pressure between the electrodes of the piezoelectric sensor 106 and causes the production of a second separate voltage signal.
  • the operation is also identical to that of the first embodiment which has been described with reference to Figures 1 and 3.
  • the piezoelectric sensor can also be placed in any point of the kinematic chain where it will receive a stress variation in one direction when the handle is pulled and a variation in stress in the opposite direction when the handle is pushed.
  • the sensor can in particular be arranged between two parts of the kinematic chain or of course or in one piece.
  • the electronic pre-processing module is housed in the base of the handle assembly, which is also a body hollow in this case.

Landscapes

  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Endoscopes (AREA)
  • Actuator (AREA)
  • Seal Device For Vehicle (AREA)
  • Fluid-Damping Devices (AREA)
EP04290699A 2003-04-14 2004-03-15 Flügelbetätigungsvorrichtung Expired - Lifetime EP1469149B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0304611 2003-04-14
FR0304611A FR2853682B1 (fr) 2003-04-14 2003-04-14 Dispositif d'actionnement pour un ouvrant

Publications (2)

Publication Number Publication Date
EP1469149A1 true EP1469149A1 (de) 2004-10-20
EP1469149B1 EP1469149B1 (de) 2006-07-12

Family

ID=32893349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04290699A Expired - Lifetime EP1469149B1 (de) 2003-04-14 2004-03-15 Flügelbetätigungsvorrichtung

Country Status (4)

Country Link
EP (1) EP1469149B1 (de)
AT (1) ATE333025T1 (de)
DE (1) DE602004001479T2 (de)
FR (1) FR2853682B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20092045A1 (it) * 2009-11-20 2011-05-22 Valeo Spa Dispositivo di comando di sblocco di maniglia di veicolo munita di un organo di comando esterno
CN103452395A (zh) * 2013-08-09 2013-12-18 浙江吉利汽车研究院有限公司 一种车门开启装置
FR3079047A1 (fr) * 2018-03-15 2019-09-20 Valeo Comfort And Driving Assistance Module de commande de porte, ensemble de commande de porte et porte de vehicule associes

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005031186C5 (de) * 2005-07-01 2021-02-18 Huf Hülsbeck & Fürst Gmbh & Co. Kg Intelligente Betätigungsvorrichtung
FR2896262B1 (fr) * 2006-01-17 2008-02-29 Peugeot Citroen Automobiles Sa Dispositif d'actionnement pour un ouvrant de vehicule automobile.

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10052308A1 (de) * 2000-10-21 2002-05-29 Bayerische Motoren Werke Ag Keyless-Entry-System für ein Fahrzeug und Verfahren zum Betrieb eines solchen Systems
FR2820448A1 (fr) * 2001-02-08 2002-08-09 Coutier Moulage Gen Ind Poignee d'un ouvrant de vehicule automobile comportant des moyens de detection d'ouverture
US20030006649A1 (en) * 2001-07-04 2003-01-09 Robert Bosch Gmbh Motor vehicle door lock system
EP1318255A2 (de) * 2001-12-04 2003-06-11 Huf Hülsbeck & Fürst GmbH & Co. KG Vorrichtung zur Betätigung eines Schliesssystems an einer Tür, einer Klappe oder dgl., insbesondere bei einem Fahrzeug

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10052308A1 (de) * 2000-10-21 2002-05-29 Bayerische Motoren Werke Ag Keyless-Entry-System für ein Fahrzeug und Verfahren zum Betrieb eines solchen Systems
FR2820448A1 (fr) * 2001-02-08 2002-08-09 Coutier Moulage Gen Ind Poignee d'un ouvrant de vehicule automobile comportant des moyens de detection d'ouverture
US20030006649A1 (en) * 2001-07-04 2003-01-09 Robert Bosch Gmbh Motor vehicle door lock system
EP1318255A2 (de) * 2001-12-04 2003-06-11 Huf Hülsbeck & Fürst GmbH & Co. KG Vorrichtung zur Betätigung eines Schliesssystems an einer Tür, einer Klappe oder dgl., insbesondere bei einem Fahrzeug

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20092045A1 (it) * 2009-11-20 2011-05-22 Valeo Spa Dispositivo di comando di sblocco di maniglia di veicolo munita di un organo di comando esterno
CN103452395A (zh) * 2013-08-09 2013-12-18 浙江吉利汽车研究院有限公司 一种车门开启装置
CN103452395B (zh) * 2013-08-09 2016-04-27 浙江吉利汽车研究院有限公司 一种车门开启装置
FR3079047A1 (fr) * 2018-03-15 2019-09-20 Valeo Comfort And Driving Assistance Module de commande de porte, ensemble de commande de porte et porte de vehicule associes

Also Published As

Publication number Publication date
ATE333025T1 (de) 2006-08-15
DE602004001479D1 (de) 2006-08-24
FR2853682B1 (fr) 2006-06-09
EP1469149B1 (de) 2006-07-12
DE602004001479T2 (de) 2007-02-15
FR2853682A1 (fr) 2004-10-15

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