EP2642455A2 - Clé électronique dotée d'un support de batterie - Google Patents

Clé électronique dotée d'un support de batterie Download PDF

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Publication number
EP2642455A2
EP2642455A2 EP13001117.4A EP13001117A EP2642455A2 EP 2642455 A2 EP2642455 A2 EP 2642455A2 EP 13001117 A EP13001117 A EP 13001117A EP 2642455 A2 EP2642455 A2 EP 2642455A2
Authority
EP
European Patent Office
Prior art keywords
battery holder
electronic key
housing
energy storage
housing shell
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Withdrawn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
EP13001117.4A
Other languages
German (de)
English (en)
Other versions
EP2642455A3 (fr
Inventor
Martin Porada
Frank Borgmann
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 EP2642455A2 publication Critical patent/EP2642455A2/fr
Publication of EP2642455A3 publication Critical patent/EP2642455A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00944—Details of construction or manufacture

Definitions

  • the invention relates to an electronic key for a safety system of a motor vehicle, with a housing, within which an electronic unit for data communication with the safety system is arranged, and a housing formed in the receptacle, in which an energy storage is used for powering the electronics unit.
  • An electronic key which can be brought in data communication with a motor vehicle-side security system.
  • the electronic key has a base housing, in which a receptacle for an energy store is provided. This recording is closed by a lid. It has disadvantageously been shown that in some few cases during the onset of energy storage in the electronic key it can lead to mounting difficulties, for example, the energy storage is not correct in the recording of the housing is inserted. Thus, there is an effort to reduce assembly costs with respect to the insertion of the energy storage device into the housing of the electronic key.
  • the invention provides that in the receptacle, a battery holder is arranged, in which the energy storage is received, whereby the energy storage in the battery holder form a preassembled unit.
  • An essential core of the invention is that a battery holder is used, which ensures that at least one energy storage device is inserted in the battery holder and thus forms a preassembled structural unit, which is then inserted into the housing of the electronic key.
  • the assembly of the energy storage in the housing of the electronic key can thus be significantly simplified.
  • the energy store can first be preassembled in the battery holder before the assembly, in particular the battery holder and the energy storage are introduced into the receptacle of the housing of the electronic key.
  • the battery holder is an additional component of the electronic key, it has surprisingly been found that the total cost of assembly of the electronic key can be significantly reduced.
  • the battery holder can also be designed such that no incorrect assembly of the battery holder in the receptacle of the housing is possible. For example, it is conceivable that the battery holder has on its outer wall corresponding means which ensure that only a mounting situation of the battery holder in the receptacle of the housing can be realized.
  • the energy stores are one above the other and contact each other.
  • the energy stores are particularly preferably button cells which, for example, may have a disk-like design.
  • the battery holder has means which allow a defined pressure between the energy stores, so that a reliable power supply of the electronic unit is ensured.
  • the means can be arranged for example within the battery holder, so that in the inserted state of the energy storage, within the battery holder, these means ensure that the energy storage contact reliably and with the desired force.
  • These means can be designed, for example, as latching means, clip means, spring elements, etc.
  • the invention includes that the battery holder has means, so that a Hertzian pressure between the energy stores is almost avoided.
  • the unintentional Hertzian pressure occurs, for example, when two energy stores only contact one another selectively, ie. h., That there is no total area contact between the energy storage.
  • the means of the battery holder ensure that the energy storage with a defined pressure on each other and at the same time there is a full-surface contact between the adjacent energy storage. Thus, a reliable power supply is provided from the energy stores within the battery holder.
  • the battery holder has a fastening means which serves for fastening the battery holder in the housing and / or in the receptacle, in particular that a positive and / or non-positive connection between the fastening means and the housing is present.
  • the fastening means of the battery holder as at least one locking means and / or a Threaded means and / or a bayonet closure is formed, whereby the battery holder is held in the receptacle.
  • the battery holder is releasably secured in the receptacle.
  • the invention also includes that the battery holder can only be inserted into the receptacle of the housing, wherein the housing has its own fastening means which reliably hold the battery holder in the receptacle.
  • This may be latching means, clip means, snap connections, etc., which are arranged, for example, on the housing in the vicinity of the receptacle and engage at defined areas of the battery holder.
  • the electronic key according to the invention may comprise a multi-part housing, wherein the housing has a first and a second housing shell.
  • the housing has more than two housing shells.
  • the housing shells for example, with each other positively and / or positively and / or cohesively connected to each other.
  • both housing shells can be laser-welded.
  • the first and the second housing shell are made of the same plastic material.
  • At least one of the two housing shells can be formed with at least one feeler element, which the user can activate in order to start a defined action of the electronic key.
  • a switch for unlocking the motor vehicle and another switch provide for a locking of the motor vehicle.
  • other switches are conceivable that can trigger, for example, an opening of the tank lid and / or the trunk.
  • the invention includes that the electronic unit is arranged in the first housing shell or in the second housing shell. It can also be provided that an electronic unit is located both in the first and in the second housing shell.
  • the battery holder may be at least partially open, so that the or the energy storage is at least partially visible /, wherein in particular the battery holder has at least one opening.
  • the opening of the battery holder ensures that, for example via metallic contact elements, the electronics unit is connected to the energy storage.
  • the battery holder may have a plurality of openings.
  • the battery holder is designed like a cylinder.
  • the battery holder is adapted to the shape of the geometric shape of the energy store or the energy storage.
  • the battery holder has an opening which faces the first and / or the second housing shell, whereby in particular a contacting of the energy storage is possible.
  • the electronics unit can be arranged, for example, in one of the two housing shells. In order for a reliable connection between the electronic unit and the energy store arranged inside the battery holder to be possible, the opening can face the first and / or the second housing shell.
  • the battery holder may have a lateral opening which is remote from the first and / or the second housing shell, in particular the lateral opening may be aligned perpendicular to the first and / or the second opening.
  • the lateral opening can also serve for an electrical connection between the energy store and the electronics unit.
  • the battery holder may have at least one contact element which allows a contact with the energy storage, in particular that the contact element is arranged like a projection on the battery holder.
  • the invention includes that the battery holder, which is a plastic part, in particular an injection molded part made of plastic, forms an integral component with the contact element.
  • the contact element can be molded onto the battery holder.
  • the contact element is a metallic component which extends into the battery holder such that the contact element contacts the energy store (s).
  • the contact element comprises a further region, which advantageously outside the Battery holder is, so that a connection to another electronic component, in particular the electronic unit of the electronic key is conceivable.
  • the battery holder is designed such that it has means which cause a reverse polarity protection. This means that it is impossible to insert the energy storage incorrectly or incorrectly in the battery holder. Consequently, this ensures a correct orientation of the energy storage or energy storage in the battery holder.
  • a motor vehicle 1 which is equipped with a security system 2.
  • the security system 2 may be a vehicle access control system and / or a Include central locking with, the security system 2 may be, for example, with a lock 3 in operative connection or in signal communication.
  • the lock 3 can have at least two operating positions, wherein in the first operating position the door of the motor vehicle 1 is locked and in the second operating position the door of the motor vehicle 1 is unlocked. When unlocked, the user can open the vehicle door.
  • the security system 2 of the motor vehicle 1 can be addressed and / or activated by an identification transmitter 10, which is referred to below as the electronic key 10 below. It is conceivable that the electronic key 10 is part of an active-entry system of the motor vehicle 1. This means that the user can effect a locking and / or an unlocking of the motor vehicle 1 via a deliberate activation of a button which is arranged on the electronic key 10.
  • the electronic key 10 has an electronic unit 11 which serves for data communication with the security system 2.
  • the electronic unit 11 may, for example, have a transmitting and / or receiving unit that can send signals to the motor vehicle 1 or receive signals from the motor vehicle 1.
  • the electronic unit 11 may have a microprocessor and / or at least one data memory.
  • a codified identification query is provided to check the extent to which the user carrying an electronic key 10 is actually the authorized person to activate the security system 2.
  • the electronic key 10 has a plurality of energy stores 13, which may be designed, for example, as batteries. It is also conceivable that the energy storage 13 are rechargeable. Alternatively, it is conceivable that only an energy storage device 13 for supplying the electronic unit 11 within the electronic key 10 is used.
  • the electronic key 10 comprises a battery holder 30, in which the energy storage devices 13 are housed, which means that the battery holder 30 reliably holds the energy storage device 13 within its housing wall.
  • the battery holder 30 with the energy storage 13 forms a preassembled unit that is used in the assembly of the electronic key 10 in the housing 20 of the electronic key 10.
  • FIGS. 2 to 5 Different variants of the battery holder 30 are shown.
  • FIG. 2 and FIG. 3 show a part of an electronic key 10, wherein according to FIG. 1 the electronic key 10 may have two housing shells 21, 22.
  • the first housing shell 21 is shown, which has a receptacle 12 in which the battery holder 30 is attached.
  • the battery holder 30 is at least partially open, so that the energy storage 13 are at least partially visible. This is intended that a contacting of the energy storage device 13 is possible to ensure, for example, an electrical connection of the energy storage device 13 with the electronic unit not explicitly shown.
  • the battery holder 30 is substantially adapted to the geometric shape of the energy storage device 13 and has a cylindrical shape.
  • the battery holder 30 has an opening 32, that of the second housing shell, which is not explicitly in the FIG.
  • the battery holder 30 has lateral openings 33, which are facing away from the first 21 and the second housing shell 22.
  • the lateral openings 33 are aligned perpendicular to the first 21 and the second housing shell 22.
  • the embodiment according to FIG. 2 and FIG. 3 a contact element 34, which is arranged on the battery holder 30.
  • a connection element can be attached to the free end of the contact element 34, as a result of which an electrical connection between the electronic unit of the electronic key 10 and the energy stores 13 can be established.
  • the contact element 34 is projectingly arranged on the battery holder 30.
  • the contact element 34 has according to FIG. 3 a connecting element 36, which establishes the actual connection to the energy storage device 13.
  • the connecting element 36 is L-shaped in the embodiment shown.
  • the contact element 34 together with the connecting element 36 can form a one-piece component with the battery holder 30.
  • the contact element 34 and the connecting element 36 are made of a metallic material, wherein both parts 34, 36 form a monolithic component.
  • the openings 32, 33 can serve on the one hand to ensure contact with the energy storage devices 13. It is also conceivable that the openings 32, 33 can serve to introduce the energy storage 13 in accordance with the cavity 35 of the battery holder 30. For example, it is conceivable for the energy stores 13 to be inserted through the lateral opening 33. It can also be provided that the opening 32 is used to introduce the energy storage device 13 into the cavity 35 of the battery holder 30. Thus, the energy storage 13 are reliably held within the cavity 35 of the battery holder 30, fastening means may be provided within the battery holder 30. These fasteners are used to prevent falling out of the energy storage 13 from the battery holder 30. Also means may be provided on the battery holder 30, which prevent the energy storage 13 are incorrect or incorrectly inserted into the cavity 35 of the battery holder 30. As a result, a reverse polarity protection is effected.
  • the battery holder 30 may also consist of two shells.
  • the energy storage devices 13 can be inserted into a shell of the battery holder 30, for example. Subsequently, the second shell with the first shell of the battery holder 30 are attached.
  • the attachment of the two housing shells of the battery holder 30 can be made via a material and / or non-positive and / or positive connection.
  • a latching connection or a clip connection is advantageousously, between the first and the second housing shell of the battery holder 30 .
  • the first housing shell 21 of the electric key 10 has a collar 23 which peripherally surrounds the battery holder 30. There is a free space between the collar 23 and the battery holder 30, which is not explicitly provided with a reference numeral. At least part of the second housing shell 22 of the housing 20 can be inserted into this free space.
  • the collar 23 has on the inside, in particular the battery holder 30 facing a fixing element 24.
  • This fixing member 24 serves as a fixing means to hold the second housing shell 22 within the clearance, which is located between the collar 23 and the battery holder 30, reliable.
  • the fixing element 24 is part of a latching connection, which reliably holds the second housing shell 22 on the first housing shell 21.
  • a seal may be provided, which is for example on the first housing shell 21 or on the second housing shell 22 itself.
  • the collar 23 has an end face 25 which is directed towards the second housing shell 22. This face 25 may have a seal to protect the energy storage 13 from environmental influences, such as moisture, dust, etc.
  • the second housing shell 22 rests on the end face 25, wherein the receptacle 12 is encapsulated by the environment of the electronic key 10.
  • the energy storage 13 can be inserted through the lateral opening 33 in the cavity 35 of the battery holder 30, it is advantageous that the lateral openings 33 are made correspondingly large. This means that at least one lateral opening 33 extends approximately along half the lateral surface 37 of the battery holder 30.
  • the battery holder 30 is designed such that there is such a pressure or force between the energy stores 13, so that a reliable power supply of the electronic unit of the electronic key 10 is ensured.
  • 30 means may be provided within the battery holder, which create a corresponding pressure between the energy storage devices 13. These means may be, for example, spring elements.
  • the battery holder 30 may be fastened in different ways to the housing 20, in particular to the first housing shell 21 or releasably secured.
  • the battery holder 30 may have attachment means 31, which are part of a bayonet closure.
  • the fastening means 31 are inserted into defined openings of the first housing shell 21, and then the battery holder 30 is at its Axis turned. This ensures a reliable attachment of the battery holder 30 to the first housing shell 21.
  • the battery holder 30 may have attachment means 31, which in FIG. 5 are designed as threaded means.
  • the battery holder 30 can screw into the first housing shell 21.
  • the battery holder 30 has a shoulder 38 which serves as a stop.
  • the very schematically shown battery holder 30 in FIG. 4 and FIG. 5 For example, substantially according to the battery holder 30 FIG. 2 or FIG. 3 correspond. The only difference here is to see in the attachment of the battery holder 30 to the first housing shell 21. According to FIG. 2 and FIG. 3 the battery holder 30 via a snap-in connection 31 and / or via a snap connection 31 on the first housing shell 21 can be fastened.
  • the second housing shell 22 is not explicitly shown.
  • This second housing shell 22 can be arranged on the first housing shell 21 via various fastening means.
  • the connecting element 24 is according to FIG. 3 also in the embodiments according to FIG. 4 and FIG. 5 used. It is also conceivable that in FIG. 4 and in FIG. 5 a corresponding receptacle 12 can be used with a collar 23, the in FIG. 2 and FIG. 3 are described. Also, the battery holder 30 according to FIG. 4 and FIG. 5 a contact element 34, which in FIG. 3 is used.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
EP13001117.4A 2012-03-22 2013-03-06 Clé électronique dotée d'un support de batterie Withdrawn EP2642455A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012102482A DE102012102482A1 (de) 2012-03-22 2012-03-22 Elektronischer Schlüssel mit einem Batteriehalter

Publications (2)

Publication Number Publication Date
EP2642455A2 true EP2642455A2 (fr) 2013-09-25
EP2642455A3 EP2642455A3 (fr) 2017-05-10

Family

ID=47891347

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13001117.4A Withdrawn EP2642455A3 (fr) 2012-03-22 2013-03-06 Clé électronique dotée d'un support de batterie

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EP (1) EP2642455A3 (fr)
DE (1) DE102012102482A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006023143A1 (de) 2006-05-16 2007-11-22 Huf Hülsbeck & Fürst Gmbh & Co. Kg Elektronischer Schlüssel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6852929B2 (en) * 2002-11-27 2005-02-08 Lear Corporation Elastomer seal and housing for a remote keyless entry device
EP1750230B1 (fr) * 2005-07-16 2015-06-17 Marquardt GmbH Boîtier, en particulier pour une clé électronique
DE102006048369A1 (de) * 2006-10-09 2008-04-10 Huf Hülsbeck & Fürst Gmbh & Co. Kg Elektronischer Schlüssel
JP4470971B2 (ja) * 2007-08-07 2010-06-02 株式会社デンソー 携帯機
EP2418626A1 (fr) * 2010-08-14 2012-02-15 Johnson Controls Technology Company Support de batterie pour porte-clés

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006023143A1 (de) 2006-05-16 2007-11-22 Huf Hülsbeck & Fürst Gmbh & Co. Kg Elektronischer Schlüssel

Also Published As

Publication number Publication date
EP2642455A3 (fr) 2017-05-10
DE102012102482A1 (de) 2013-09-26

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