EP2535489A2 - Poignée d'une pièce mobile avec un bloc électronique placé sur différents composants - Google Patents

Poignée d'une pièce mobile avec un bloc électronique placé sur différents composants Download PDF

Info

Publication number
EP2535489A2
EP2535489A2 EP20120170307 EP12170307A EP2535489A2 EP 2535489 A2 EP2535489 A2 EP 2535489A2 EP 20120170307 EP20120170307 EP 20120170307 EP 12170307 A EP12170307 A EP 12170307A EP 2535489 A2 EP2535489 A2 EP 2535489A2
Authority
EP
European Patent Office
Prior art keywords
handle
sensor element
electronics
handle according
movable part
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
EP20120170307
Other languages
German (de)
English (en)
Other versions
EP2535489A3 (fr
EP2535489B1 (fr
Inventor
Ulrich Müller
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.)
Huf Huelsbeck and Fuerst GmbH and Co KG
Original Assignee
Huf Huelsbeck and Fuerst GmbH and Co KG
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 Huf Huelsbeck and Fuerst GmbH and Co KG filed Critical Huf Huelsbeck and Fuerst GmbH and Co KG
Publication of EP2535489A2 publication Critical patent/EP2535489A2/fr
Publication of EP2535489A3 publication Critical patent/EP2535489A3/fr
Application granted granted Critical
Publication of EP2535489B1 publication Critical patent/EP2535489B1/fr
Not-in-force 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/16—Use of special materials for parts of locks
    • E05B15/1635—Use of special materials for parts of locks of plastics materials

Definitions

  • the invention relates to a handle of a movable part of a motor vehicle, in particular a door, a tailgate or the like, with a grip on the movable part accessible to a user from the outside and an electronic assembly comprising at least one sensor element and electronics, wherein the electronic assembly is suitable be activated by the user near the handle and to communicate with a motor vehicle side security system.
  • the door handle consists of a molded with a cover layer plastic injection-carrier core.
  • the carrier core in this case occupies most of the volume of the motor vehicle door handle.
  • the carrier core has a plurality of recesses into which electronic assemblies are introduced.
  • the connecting leads of the electronic assemblies are guided by a channel contained in the interior of the carrier core at a point outwards, which is located behind a door wall in the assembled state.
  • the electronic assemblies include a sensor assembly for detecting the approach of the hand of an operator.
  • the carrier core has a foam structure.
  • the plastic which determines the surface properties of the door handle is used only in the cover layer, which occupies only a relatively small part of the total volume of the door handle. The large part of the volume of the door handle is occupied by the carrier core arranged inside.
  • a handle of a movable part of a motor vehicle in particular a door, a tailgate or the like is provided, with a handle on the movable part for a user externally accessible handle, an electronic assembly having at least one sensor element and electronics, the electronic assembly is suitable be activated by the user in the vicinity of the handle and to communicate with a motor vehicle-side safety system, the sensor element and the electronics are indeed connected to each other, but are arranged on two different components, wherein the first component is the handle on which the sensor element is arranged in that the second component is a vehicle-side component, in particular the movable part, on which the electronics are arranged, and the handle has a cavity and a thin-walled enveloping body, the enveloping body comprises the cavity and serves as a carrier for the sensor element, wherein the cavity is essentially component-free.
  • the essential advantage of this handle according to the invention is that the handle with the cavity and the thin-walled enveloping body requires only a small amount of material, which in particular consists of plastic, so that the handle in its entirety has a very low weight or a very low mass. As a result, in addition, the manufacturing costs of the handle are substantially reduced.
  • the cavity remains substantially component-free, at the same time the sensor element is integrated in the thin-walled enveloping body and lies near the surface of the handle, so that a satisfactory functionality of the electronic assembly is ensured.
  • Another significant advantage of this invention is that the electronics assembly is divided with respect to the sensor element and the electronics. This means that the actual sensing element, the sensor element, remains in the handle.
  • the sensor element is preferably made metallic and acts as an electrode.
  • the sensor element may be formed as a wire element, foil or stamped part, in particular stamped sheet metal.
  • the electronics which is connected to the sensor element, processes the signals detected by the sensor element, wherein the processing can be, for example, an evaluation of signals.
  • the electronics may also be implemented as a control unit, monitoring unit, control unit or detector unit to determine as a result for the electronic assembly, the extent to which a user is in a defined vicinity of the handle to start activation of the electronic assembly and communicate with the motor vehicle side security system allow.
  • the enveloping body can have an inner region and an outer region, the inner region facing the movable part and the outer region facing away from the movable part, the sensor element being arranged at least in one of the two regions.
  • the inner region and the outer region of the envelope body for the user is freely accessible. The user can approach and / or touch the inner and outer areas via his hand in order to trigger a defined action of the electronic module.
  • the electronics has two sensor elements, wherein the first sensor element is provided in the outer region and the second sensor element is provided in the inner region. Both sensor elements are advantageously connected to a common electronics, which is arranged on the second component, ie on the vehicle-mounted component. It may also be provided in a further embodiment of the invention that each sensor element is connected to its own electronics, which is separately attached to the vehicle-mounted component.
  • the first sensor element is embodied such that a conscious action of the user can be detected, as a result of which a motor vehicle-side locking process can be triggered via the safety system.
  • the second sensor element is designed such that a conscious action of the user is detectable, whereby a motor vehicle-side unlocking operation can be triggered via the security system.
  • the conscious action is an approximation of the user to the handle, in particular to the inner area and / or the outer area and / or the conscious action of a touch of the handle, in particular the inner area and / or the outer area.
  • the sensor element with its electronics can be designed as a proximity sensor and / or as a touch sensor. If the user is in the vicinity of the handle or touches this handle on the inner region of the enveloping body and / or on the outer region of the enveloping body, this action is detected by the electronic assembly, whereby a wake-up process and / or an authorization check and / or a locking operation and / or unlocking the motor vehicle safety system can take place.
  • the user carries with him an ID transmitter, which is part of the safety system of the motor vehicle. Before an unlocking or a locking of the movable part is triggered, there is an authentication query between the motor vehicle and the ID transmitter.
  • the security system is first awakened before the authentication request, after the user touches the handle with his hand accordingly or approaches the handle with respect to a defined distance.
  • the touch sensor can be configured such that an unlocking and / or an opening of the movable part is caused if the touch sensor with the electronics detects a force that is on acts on the handle, which is between 10 N to 100 N, preferably between 20 N to 80 N, more preferably between 40 N and 75 N.
  • the first and / or the second sensor element are embedded within the enveloping body.
  • the enveloping body is an injection molded part made of plastic, wherein the first and / or the second sensor element are encapsulated simultaneously during the injection molding process.
  • the handle may be immovably fixed to the movable part of the motor vehicle in one embodiment.
  • a handle with a handle is conceivable which can be pivoted and / or moved relative to the movable part of the motor vehicle via an actuation of the user.
  • a bearing arm and / or an actuating arm is arranged on the handle, wherein the bearing arm and the actuating arm protrude into the movable part, wherein in particular the handle is pivotally mounted on the movable part.
  • the handle On the bearing arm, the handle is mounted about a pivot axis.
  • the actuating arm projecting into the movable part serves to trigger a corresponding action on a lock of the movable part during its movement.
  • the actuating arm via a linkage, Bowden cable or a similar power transmission member may be connected to the lock to indirectly and / or directly interact with a pivoting of the handle on the lock mechanically, the lock in turn switch between an unlocking and / or a locking position can.
  • the operation of the lock takes place electrically, in that the actuating arm activates a switch which is located in the vicinity of the actuating arm. The switch can then electrically control the lock remote from the switch, which in turn can switch between its unlocking position and / or its locking position.
  • the sensor element is insensitive to various environmental influences, such as high / low temperatures, moisture, etc.
  • the sensitive electronics are separate from the handle provided on the motor vehicle side, so that effectively a well-functioning overall system is created, at the same time the production cost can be significantly simplified without the risk that the functioning of the electronic assembly is at risk.
  • the at least one sensor element is inseparably located within the thin-walled enveloping body.
  • the connection between the sensor element and the electronics via a wired line.
  • the line can have a shield, as a result of which signal transmission between the sensor element and the electronics can be carried out without interference. The shield sheathed the line.
  • the sensor element and the electronics can be connected to one another via a detachable connection.
  • This embodiment facilitates in case of damage z. B. on the handle or on the sensor element or on the electronics exchange these parts. As a result, the maintenance costs can be reduced in case of damage during operation.
  • an embodiment is preferred in which a plug element is provided between the sensor element and the electronics, wherein in particular the plug element is arranged on the bearing arm. It is conceivable that the plug element is reliably held on the bearing arm via a latching connection, clip connection, etc.
  • the handle may have a material structure with microcells, wherein in particular the microcells have a size of on average less than 500 ⁇ m. It has advantageously been shown that the handle, in particular the enveloping body having such a material structure has improved mechanical properties. In particular, it has been shown that a material structure of microcells has good properties with regard to media resistance, flexural strength, tightness and low weight. At the same time, a thin-walled enveloping body can be created, which can be reliably stressed by the user from outside as well as by various environmental influences without the risk of material destruction.
  • the mechanical properties of the handle can be further improved by designing the material structure such that each microcell is closed independently of the adjacently arranged cells. This means that the microcells are essentially not connected to the surrounding microcells of the material structure.
  • the handle has a microcell volume of at least 5%, preferably more than 15%, more preferably more than 25% and most preferably more than 45%.
  • the invention may be distinguished by the fact that the handle has a microcellular density of more than 10 5 cells / cm 3 , which can also substantially reduce the weight and improve the mechanical properties.
  • the handle according to the invention can be designed such that the handle has a cavity volume of at least 50%, preferably more than 60%, more preferably more than 80%, and most preferably more than 90%. This also contributes to the fact that the total weight of the handle can be reduced compared to the prior art, at the same time the cavity remains almost component-free on the motor vehicle.
  • the handle on its outer surface which is arranged visible from the motor vehicle, be provided with a thin layer, which may be printed or painted, for example.
  • This layer may have one or different colors. Design elements, letters, numbers, an emblem, etc. are also shown on this layer.
  • FIG. 1 shows a handle of a movable part 1 of a motor vehicle.
  • the movable part 1 is in the present embodiment, a motor vehicle door.
  • the handle is movably disposed on the door 1, the handle having an external handle 10 accessible to the user.
  • the handle 10 has a cavity 11, which is essentially component-free.
  • the handle 10 is designed with a thin-walled envelope body 12, which consists of a plastic.
  • two sensor elements 31, 32 are embedded. These sensor elements 31, 32 are part of an electronic assembly 30, which is composed of an electronics 33 in addition.
  • the electronics 33 is mounted on the vehicle side. In the present embodiment, the electronics 33 is fixed in the door 1, in the vicinity of the handle.
  • the sensor elements 31, 32 are connected via a line 34 to the electronics 33.
  • the line 34 also has a shield 35, whereby a signal transmission between the sensor elements 31, 32 and the electronics 33 can be performed without interference.
  • a plug element 36 is provided, whereby the sensor elements 31, 32 can be connected to the electronics 33 in an easy-to-install manner.
  • the handle has in the present embodiment, a bearing arm 13 and an actuating arm 14, wherein both arms 13, 14 protrude into the vehicle door 1.
  • the bearing arm 31 has at its free end on a bearing point, so that via a pulling movement on the handle 10, the handle 10 can be pivoted away from the door 1, namely performs a rotary movement counterclockwise.
  • the actuating arm 14 can trigger an action on the door 1 by its co-movement. For example, this action can cause a lock that is not explicitly shown in the schematic FIG. 1 is shown, an unlocking of the door 1 is created.
  • the actuating arm 14 is connected via a Bowden cable with the lock, not shown. It is also conceivable that the actuating arm 14 a switch during activated his movement, whereby the lock of the door 1 can be controlled electronically.
  • the enveloping body 12 has an outer region 12.1, in which the first sensor element 31 is arranged.
  • the enveloping body 12 is formed with an inner region 12.2, in which the second sensor element 32 is located.
  • the outer sensor element 31 serves to trigger a locking operation of a safety system 2, which is arranged in the motor vehicle.
  • the inner sensor element 32 serves to effect an unlocking operation of the security system 2. This means that the user who carries an ID transmitter 3 causes a corresponding activation of the electronic module 30, whereby a communication with the motor vehicle side safety system 2 takes place. In this case, it is checked to what extent the user has the authorization to trigger a corresponding operation on the security system 2, which means triggering an unlocking or locking of the motor vehicle, in particular of its movable part 1.
  • the second sensor element 32 is designed as a proximity sensor, wherein the first sensor element 31 is a touch sensor.
  • the electronics 33 evaluates an approach or a touch of the handle 3.
  • an authentication process is triggered on the motor vehicle side after a contact of the outer region 12.1 of the enveloping body 12 and / or an approximation of the inner region 12.2 of the enveloping body 12 has taken place.
  • the particular advantage of the illustrated handle 10 is that a large weight saving due to the component-free cavity 12 is achieved.
  • only the sensor element 31, 32 is located within the enveloping body 12, the sensitive electronics 33 being fastened outside the handle on the movable part 1 of the motor vehicle.
  • the two sensor elements 31, 32 may be formed as wire elements, foils or stampings and may be arranged substantially along the extension of the handle 10. Between the electronics 33 and the security system 2 is also a data communication. It is conceivable that the electronics 33 is completely integrated in the security system 2. It is also conceivable that each sensor element 31, 32 has its own electronics 33, which is not explicitly shown.
  • only one sensor element is arranged in the enveloping body 12, wherein For example, about two different actions of the user unlocking and / or a lock on the security system 2 can be triggered. For example, it is conceivable to provide different zones or locations on the outside handle 10 for the user to trigger different actions for the security system 2.
  • the mass of the handle 10 of the illustrated embodiment is further reduced further, since the handle 10, in particular the enveloping body 12 has a material structure of a plurality of microcells 20.
  • a material consumption in the production of the enveloping body 12, in particular of the handle 10 can be reduced, at the same time good mechanical properties, in particular a high strength, can be achieved.
  • the handle 10 has a layer on the surface, for example, to provide the handle 10 with a desired color. This material structure is completely provided on the handle 10, in particular in the entire enveloping body 12.

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  • Lock And Its Accessories (AREA)
EP12170307.8A 2011-06-17 2012-05-31 Poignée d'une pièce mobile avec un bloc électronique placé sur différents composants Not-in-force EP2535489B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110051165 DE102011051165A1 (de) 2011-06-17 2011-06-17 Handhabe eines beweglichen Teils mit einer Elektronikbaugruppe, die an unterschiedlichen Bauteilen angeordnet ist

Publications (3)

Publication Number Publication Date
EP2535489A2 true EP2535489A2 (fr) 2012-12-19
EP2535489A3 EP2535489A3 (fr) 2015-03-11
EP2535489B1 EP2535489B1 (fr) 2017-11-08

Family

ID=46275697

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12170307.8A Not-in-force EP2535489B1 (fr) 2011-06-17 2012-05-31 Poignée d'une pièce mobile avec un bloc électronique placé sur différents composants

Country Status (3)

Country Link
EP (1) EP2535489B1 (fr)
CN (1) CN102828653A (fr)
DE (1) DE102011051165A1 (fr)

Cited By (1)

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EP2592201B1 (fr) * 2011-11-11 2017-06-21 Huf Hülsbeck & Fürst GmbH & Co. KG Poignée

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US9260882B2 (en) 2009-03-12 2016-02-16 Ford Global Technologies, Llc Universal global latch system
US9551166B2 (en) 2011-11-02 2017-01-24 Ford Global Technologies, Llc Electronic interior door release system
CN103243967B (zh) * 2013-04-25 2015-11-04 广州市雄兵汽车电器有限公司 汽车门把手和使用所述汽车门把手的汽车
US9416565B2 (en) 2013-11-21 2016-08-16 Ford Global Technologies, Llc Piezo based energy harvesting for e-latch systems
US9834964B2 (en) 2014-05-13 2017-12-05 Ford Global Technologies, Llc Powered vehicle door latch and exterior handle with sensor
US10119308B2 (en) 2014-05-13 2018-11-06 Ford Global Technologies, Llc Powered latch system for vehicle doors and control system therefor
US10323442B2 (en) 2014-05-13 2019-06-18 Ford Global Technologies, Llc Electronic safe door unlatching operations
US9903142B2 (en) 2014-05-13 2018-02-27 Ford Global Technologies, Llc Vehicle door handle and powered latch system
US10273725B2 (en) 2014-05-13 2019-04-30 Ford Global Technologies, Llc Customer coaching method for location of E-latch backup handles
US9909344B2 (en) 2014-08-26 2018-03-06 Ford Global Technologies, Llc Keyless vehicle door latch system with powered backup unlock feature
US9725069B2 (en) 2015-10-12 2017-08-08 Ford Global Technologies, Llc Keyless vehicle systems
US10550610B2 (en) 2016-06-22 2020-02-04 Ford Global Technologies, Llc Inside override emergency handle for door release
US10227810B2 (en) 2016-08-03 2019-03-12 Ford Global Technologies, Llc Priority driven power side door open/close operations
US10087671B2 (en) 2016-08-04 2018-10-02 Ford Global Technologies, Llc Powered driven door presenter for vehicle doors
US10329823B2 (en) 2016-08-24 2019-06-25 Ford Global Technologies, Llc Anti-pinch control system for powered vehicle doors
US10458171B2 (en) 2016-09-19 2019-10-29 Ford Global Technologies, Llc Anti-pinch logic for door opening actuator
KR20180088542A (ko) * 2017-01-26 2018-08-06 삼성디스플레이 주식회사 보안 장치 및 이를 포함하는 보안 시스템
US10604970B2 (en) 2017-05-04 2020-03-31 Ford Global Technologies, Llc Method to detect end-of-life in latches
US10907386B2 (en) 2018-06-07 2021-02-02 Ford Global Technologies, Llc Side door pushbutton releases
DE102019202259A1 (de) * 2019-02-20 2020-08-20 Psa Automobiles Sa Betätigungseinrichtung für den Kraftfahrzeugaußenbereich
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EP2592201B1 (fr) * 2011-11-11 2017-06-21 Huf Hülsbeck & Fürst GmbH & Co. KG Poignée

Also Published As

Publication number Publication date
EP2535489A3 (fr) 2015-03-11
EP2535489B1 (fr) 2017-11-08
CN102828653A (zh) 2012-12-19
DE102011051165A1 (de) 2012-12-20

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