WO2013171005A2 - Micro-commutateur à reconnaissance de position multiple pour système de fermeture de véhicule, et procédé pour réaliser un micro-commutateur à reconnaissance de position multiple - Google Patents

Micro-commutateur à reconnaissance de position multiple pour système de fermeture de véhicule, et procédé pour réaliser un micro-commutateur à reconnaissance de position multiple Download PDF

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Publication number
WO2013171005A2
WO2013171005A2 PCT/EP2013/057346 EP2013057346W WO2013171005A2 WO 2013171005 A2 WO2013171005 A2 WO 2013171005A2 EP 2013057346 W EP2013057346 W EP 2013057346W WO 2013171005 A2 WO2013171005 A2 WO 2013171005A2
Authority
WO
WIPO (PCT)
Prior art keywords
microswitch
actuator
switch
static contact
micro
Prior art date
Application number
PCT/EP2013/057346
Other languages
German (de)
English (en)
Other versions
WO2013171005A3 (fr
Inventor
Jörg DITTRICH
Original Assignee
Zf Friedrichshafen Ag
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 Zf Friedrichshafen Ag filed Critical Zf Friedrichshafen Ag
Publication of WO2013171005A2 publication Critical patent/WO2013171005A2/fr
Publication of WO2013171005A3 publication Critical patent/WO2013171005A3/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
    • 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

Definitions

  • the present invention relates to a multi-position sensing microswitch for a vehicle locking system and to a method of manufacturing a multi-position sensing microswitch according to the main claims.
  • a castle consists essentially of two modules.
  • the mechanical part of the lock which is responsible for the actual locking of the door or the hood and the actuator assembly (often referred to as actuator assembly) which consists of electric motor and gear mechanism (plastic gear).
  • the motors are controlled by a control unit and bring the lock via the actuators in defined positions.
  • the structure of such a lock is described in more detail in US Pat. No. 5,743,076 A and in WO 2006 / 060972A1.
  • motor vehicle door locks include movable components such as warning levers, operating levers, mechanical interlocks, and the like provided with electrical devices for movement thereof.
  • WO 2006 / 060972A1 further provides that the spatial position of a sliding contact provided with respect to the assembly component can be determined, for which purpose at least one contact field corresponding to the sliding contact and arranged statically on the assembly is provided, wherein the contact field is connected to a signal line for electrical connection Query the spatial position of the components connected and configured so that the signal line and the contact pad are formed by a conductor foil.
  • This design, for determining the spatial component is therefore similar to the construction of a potentiometer or open sliding contact switch.
  • the position of the moving parts to be detected instead of the open sliding contacts can also be determined by means of a built-in micro switch arrangement.
  • the actuator elements are monitored in their positions by the corresponding micro-switches.
  • between one and five switches are required for position inquiry.
  • the spatial positions or the corresponding Aktorikposition be detected with a potentiometer or micro-switch arrangement.
  • the microswitch assembly requires to determine the respective position an additional microswitch, z. For example, three microswitches are required for three positions to be detected, three microswitches at four positions, etc. Additional microswitches add cost and require more space within a spatial position determining arrangement (eg, door locks).
  • the present invention provides an improved multi-position sensing microswitch for a vehicle locking system and a method of manufacturing a multi-position sensing microswitch according to the main claims.
  • Advantageous embodiments will become apparent from the dependent claims and the description below.
  • Reliability and longevity of components are also a constant requirement in motor vehicle technology with simultaneously increasing cost pressure.
  • the installation space for locking systems in vehicles is very limited.
  • the requirements for longevity and reliability can be achieved according to preferred embodiments of the present invention with a sealed system, in particular with a sealed system with protection against dust ingress and protection against water penetration during temporary submersion.
  • the cost pressure can be at the production of a system at best handled with little to handle components and a simple production. This can advantageously be achieved by the use of an electrical component carrier.
  • a multi-position sensing microswitch may be disposed on an electronic component carrier (ECT), wherein a static contact pad, a sliding contact acting on the static contact pad, and sliding contact fingers and the slider contactor as a unit, preferably sealed, micro-switch can form a locking system.
  • ECT electronic component carrier
  • the present invention provides a multi-position sensing microswitch for a vehicle locking system that can detect the spatial position of a movable actuator, the actuator being configured to move a wiper finger over a static contact pad, the static contact pad being a plurality of electrically isolated ones Conductor strands is formed, wherein the micro-switch is adapted to detect a plurality of different to a first known position further known positions of the actuator by an electrical contact of the sliding contact finger with two of the conductor strands of the static contact field.
  • the first known position corresponding to an initial position of the actuator, in other words to a starting position of the actuator, starting from which a movement of the actuator when actuated desselbigen start to correspond.
  • the further known positions form the first known position following, from the actuator along its path of movement successively ingestible or achievable as well as traversable positions. With traversable in this case is a guided over the traversable position away movement of the actuator to understand.
  • a vehicle locking system may be a mechatronic locking system.
  • the locking system can be used for example for door locks.
  • a lock of a locking system can consist of a mechanical part and an actuator Consist assembly.
  • the mechanical part of the lock can lock a door and the actuator assembly, which may consist of electric motor and gear mechanism, can bring the lock in a defined position.
  • a locking system may further include a cylinder lock or a connection to a keyless opening system.
  • Subcomponents or the complete mechatronic locking system may be integrated in an electrical component carrier, which may facilitate sealing.
  • the locking system may have various statuses for unlocked / locked and / or theft-proofed and / or child-resistant.
  • the vehicle locking system may be for a vehicle, which may be a motor vehicle, such as a passenger car or truck.
  • a microswitch can be understood to mean an electrical switch whose contacts in the opened state are, for example, less than 3 mm apart.
  • An actuator can be understood as meaning a mechanical component which can be mechanically actuated or moved on one side.
  • the actuator may be linearly moved in one embodiment of the present invention. In a further embodiment, the actuator may be moved on a circular path or other path deviating from a straight line.
  • the actuator may be connected to a sliding contact finger on one side.
  • a sliding contact finger can also be understood as a sliding contact bridge.
  • a sliding contact finger can be moved over contact surfaces in a contact field and establish electrical contact between (two) defined contact points. As a result, the sliding contact finger acts as a bridge or as a switch in a circuit. A sliding contact finger can bridge or close a gap in a circuit.
  • a contact field can be designed as conductor tracks on a circuit carrier. The printed conductors and / or contact surfaces of a contact field can also be printed on a foil.
  • a contact field may comprise conductor strands or at least parts of conductor strands as contact surfaces. The conductor strands or contact surfaces of a contact field can be guided via lines to the outside and abut a plug.
  • a mechatronic locking system may include an electronics assembly or controller.
  • a controller may be an electrical device that processes sensor signals or data signals and outputs control or other data signals in response thereto.
  • the control device may have one or more suitable interfaces, which may be formed in hardware and / or software.
  • the interfaces can be, for example, part of an integrated circuit in which functions of the control device are implemented.
  • the interfaces may also be their own integrated circuits or at least partially consist of discrete components.
  • the interfaces may be software modules that are present, for example, on a microcontroller in addition to other software modules.
  • the static contact field of the microswitch can be sealed off from an external environment of the microswitch, in particular sealed in a dust-tight manner.
  • the life of the microswitch can be increased because no foreign particles can interrupt the contact between the wiper finger and the contact pad.
  • the static contact field of the microswitch can be sealed fluid-tight with respect to an external environment of the microswitch, at least with protection against water penetration during temporary submersion. This is advantageous since, for example, water inside the microswitch would accelerate the corrosion, and due to the fluid-tight design, no water can penetrate from the outside.
  • the microswitch for each conductor strand of the contact field can have a pin that can be contacted from outside the microswitch.
  • it can be determined via a corresponding circuit and evaluation, which contact field has a closed connection via the sliding contact finger.
  • pairs of different pins are electrically connected to one another in different spatial positions of the actuator.
  • a defined position of the actuator for example, each be assigned to a contactable pin of a conductor strand of the contact field.
  • the microswitch prefferably be designed in such a way that the sliding contact finger electrically or conductively contacts no or only one conductor strand in the static contact field between two predefined positions.
  • the sliding contact finger thus does not produce any electrical contact between two conducting strands in the static contact field (ie it is not bridging). In this way it can be ensured that the evaluation circuit does not detect two different positions at the same time. At the same time it can be ensured that no short circuit can occur in the system.
  • the microswitch can also be arranged on an electrical component carrier.
  • the microswitch may be embedded in the electronic component carrier.
  • An electrical component carrier ECT
  • ECT electrical component carrier
  • an electronic component carrier can combine essential lock functions. This offers the advantage that a compact component and thus stable component for later assembly is available. A reduced number of components can be handled more cheaply. Also, space advantages can be achieved by a favorable routing in the electrical component carrier. This embodiment may also be advantageous for a sealed system.
  • the actuator may be linearly movable.
  • the present invention further provides a method of manufacturing a multi-position sensing microswitch characterized by a step of providing an actuator having a wiper finger and a static contact pad, wherein the static contact pad is formed as a plurality of conductor strands electrically isolated from each other, and a step of mating the actuator and the contact pad to make the microswitch, wherein the microswitch, the spatial position of a movable actuator is determined, and the actuator is adapted to move the sliding contact finger on the static contact pad, wherein the micro-switch is formed to a plurality of to a first known position of different further known positions of the actuator by an electrical contacting tion of the sliding contact finger with two of the conductor strands of the static contact field to recognize s.
  • the method further comprises a step of sealing the static contact pad of the microswitch against an external environment of the microswitch.
  • 1 shows a microswitch with multiple position determination.
  • FIG. 3 shows a microswitch with multiple position determination according to a further exemplary embodiment of the present invention.
  • FIG. 4 shows a method for producing a microswitch with multiple position determination according to an embodiment of the present invention.
  • FIG. 1 shows a microswitch 100 with multiple position determination, the microswitch 100 having an actuator 110 and a sliding contact finger 120 connected to the actuator 110.
  • the sliding contact finger 120 is not shown connected to the actuator 1 10, but in a first position 120b and a second position 120c on a contact pad 130.
  • the contact pad 130 is in this embodiment of parallel to each other, different lengths of line strands 140a, 140b , 140c formed.
  • the microswitch 100 is disposed in a housing 150.
  • An actuator 1 60 acts on the actuator 1 10.
  • the direction of movement of the Aktorik 1 60 and the actuator 1 10 is linear, perpendicular to the loop contact finger 120 and in the direction of the parallel conductor strands 140a, 140b, 140c, ie, in Fig. 1, the direction of movement of the actuator 1 10 from top to bottom.
  • a microswitch 100 with multiple position determination shown in FIG. 1 is an encapsulated sliding contact switch, which is arranged on a, not shown here, electrical component carrier (ECT).
  • ECT electrical component carrier
  • a seal may be provided at a passage of the actuator 110 through the housing 150 to seal the microswitch 100 from an external environment.
  • Fig. 1 the structure of a sliding contact switch 100 is thus shown in more detail. Due to the quality requirements for certain regions should
  • Sliding contact switch for automotive locking systems to be sealed against moisture or dust.
  • FIG. 2 shows a multi-position microswitch 100 according to an embodiment of the present invention.
  • the microswitch 100 has an actuator 1 10 and a sliding contact finger 120 connected to the actuator 1 10.
  • the sliding contact finger 120 is also not shown connected to the actuator 1 10.
  • the actuator 1 10 is arranged linearly movable.
  • the direction of movement of the actuator 1 10 is vertical.
  • the sliding contact finger 120 moves together with the actuator 1 10 via a contact pad 130th
  • the contact field 130 is composed of line strands 140a, 140b, 140c, 240d, 240e.
  • the line strands 140a, 140b, 140c, 240d, 240e are arranged in parallel and extend perpendicular to the direction of movement of the actuator 110 and the loop contact finger 120.
  • the parallel strands 140a, 140b, 140c, 240d, 240e have a different length.
  • the first wiring harness 140a extends on the right side of the contact pad 130 and has the longest length of a wiring harness.
  • the first wiring harness 140a has a contact surface over its entire length for contact with the loop contact finger 120.
  • the left on the left next to the first wiring harness 140a second wiring harness 140b is slightly shorter than the first wiring harness 140a.
  • the second wiring harness 140b has a contact surface only on its side facing the actuator 110, in FIG. 2 the end shown above.
  • the third wiring harness 140c which is arranged to the left directly next to the second wiring harness 140b, is slightly shorter than the second wiring harness 140b. Analogously to the second wiring harness 140b, the third wiring harness 140c has a contact surface only on its side facing the actuator 110, in FIG. 2 the end shown above.
  • the fourth wiring harness 240d arranged on the left directly next to the third wiring harness 140c is slightly shorter than the third wiring harness 140c.
  • the fourth wiring harness 240d analogous to the third wiring harness 140c, has a contact surface only on its side facing the actuator 110, in FIG. 2 the end shown above.
  • the fifth wiring harness 240e located on the left immediately adjacent to the fourth wiring harness 240d is slightly shorter than the fourth wiring harness 240d. Analogously to the fourth wiring harness 240d, the fifth wiring harness 240e has a contact surface only on its side facing the actuator 110, in FIG. 2 the end shown above.
  • the contact pad 130 and the actuator 110 with the loop contact finger 120 are arranged in a housing 150.
  • the actuator 1 10 projects slightly out of the housing and can be moved by an actuator 1 60.
  • an actuator 1 60 is not shown in FIG. 2 .
  • a seal may be provided on a passage of the actuator 110 through the housing 150, in order to place the microswitch 100 opposite to an external environment to seal.
  • This seal may be, for example, a rubber ring or another sealing element which has a sufficient sealing effect and longevity for a required tightness, for example against fluids or dust.
  • the sliding contact finger 120 can be moved via the contact field 130 into various positions 140a, 140b, 140c, 240d, 240b.
  • first position 220a there is a connection between the loop contact finger 120 and the first wiring harness 140a.
  • second position 120b there is a connection between the loop contact finger 120 and the first wiring harness 140a and the second wiring harness 140b.
  • position 120c there is a connection between the loop contact finger 120 and the first wiring harness 140a and the third wiring harness 140c.
  • a connection is made between the first wiring harness 140a and the third wiring harness 140c.
  • the approach presented here makes it possible to find solutions which avoid the disadvantages of the prior art and reduce the number of microswitches required.
  • an approach is presented in which, for example, with a micro-switch 100 on an electrical component carrier several switching states of the actuator 1 60 can be queried.
  • the microswitch 100 used in this case in addition to the conventional snap-action switches, for example, so-called encapsulated sliding contact switches can also be used increasingly.
  • the sliding contact switch 100 is actuated by a mechanism (actuator, also referred to as actuator) 1 60 by its actuator 1 10 is changed in a defined way.
  • the individual sliding contact switch 120 can be guided from its first position 220a (Normaly Open - NO) to a second position 120b (Normally Closed - NC).
  • a further wiring harness 140c is required, etc.
  • Fig. 2 thus shows a particularly favorable embodiment of the present invention.
  • a microswitch 100 is shown as a sliding contact switch, which can detect one or more positions 220a, 120b, 120c, 220d, 220e.
  • the switch 100 is actuated by a mechanism (actuator) 1 60, while the actuator 1 10 is moved by a defined path.
  • the illustrated sliding contact switch 120 can evaluate various positions 220a, 120b, 120c, 220d, 220e of the lock actuator by means of a plurality of switching contacts 130 or signal outputs. With an extended actuating travel, any number of switching outputs can be integrated in a sliding contact switch. With optimum design of the actuators in the lock all switching states shown in Fig.
  • This switch 100 could, for. B. used in door locks of motor vehicles.
  • the microswitch 100 allows a significant reduction in the number of microswitches and a reduction in the cost of the lock. In addition, the space and the weight is reduced.
  • FIG. 3 shows a multi-position microswitch 100 according to an embodiment of the present invention.
  • the microswitch 100 has an actuator 110 and a sliding contact finger 120 connected to the actuator 110, wherein in FIG. 3 the sliding contact finger 120 is not shown connected to the actuator 110 for reasons of better recognizing the different positions of the sliding contact finger 120.
  • the actuator 1 10 is arranged linearly movable. In Fig. 3, the direction of movement runs at an actuation of the actuator 1 10 vertically downwards.
  • the sliding contact finger 120 moves to together with the actuator 1 10 via a contact pad 130.
  • the contact pad 130 is composed of strands of wire 140a, 140b, 140c, 240d, 240e, 340f together.
  • the contact pad 130 in FIG. 3 differs from the contact pad 130 of FIG. 2 in that the contact surfaces of the second to fifth wire strands 140b, 140c, 240d, 240e, 340f are arranged one below the other along a line parallel to the contact surface of the first wire harness 140a , From the contact surfaces of the wire strands 140b, 140c, 240d, 240e, 340f, leads extend to a plug 370 on the outside of the casing 150, with the wire strands 140b, 140c, 240d, 240e, 340f each terminating in a pin in the plug 370. From the contact surface of the wiring harness 140a a line extends to a plug 372 on the outside of the housing 150.
  • the two plugs 370, 372 can be combined to form a plug.
  • the contact surfaces of the strands of wire 140b, 140c, 240d, 240e, 340f are arranged at a distance from one another.
  • a connection between each of the line strands 140b, 140c, 240d, 240e, 340f and the wiring harness 140a is established at the predefined positions.
  • the spaced arrangement of the line strands 140b, 140c, 240d, 240e, 340f can ensure that there is no overcoupling or a short circuit when the sliding contact finger 120 passes over the contact surfaces.
  • the method 400 includes a step 410 of providing an actuator having a sliding contact finger and a static contact pad, wherein the static contact pad is formed as a plurality of conductor strands electrically isolated from each other.
  • the method further includes a step of assembling the actuator and the contact pad to make the microswitch capable of detecting the spatial position of a movable actuator, the actuator being configured to move the wiper finger over the static contact pad, wherein the microswitch is formed is to a plurality of known positions of the actuator by an electrical contacting of the grinding contact finger with one of the conductor strands of the static contact field, and wherein the static contact field of the microswitch is sealed from an external environment of the microswitch.
  • an exemplary embodiment comprises a "and / or" link between a first feature and a second feature
  • this can be read so that the embodiment according to one embodiment, both the first feature and the second feature and according to another embodiment, either only the first Feature or only the second feature.

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  • Push-Button Switches (AREA)
  • Slide Switches (AREA)

Abstract

La présente invention concerne un micro-commutateur (100) à reconnaissance de position multiple destiné à un système de fermeture de véhicule, la position spatiale d'un actionneur mobile (110) pouvant être déterminée. Le micro-commutateur est conçu pour mettre en mouvement un ergot de contact par frottement (120) par l'intermédiaire d'un champ de contact statique (130), le champ de contact statique (130) étant formé d'une pluralité de faisceaux conducteurs (140a, 140b, 140c; 240d, 240e; 340f) électriquement isolés les uns des autres, le micro-commutateur (100) étant conçu pour reconnaître une pluralité d'autres positions (120b, 120c; 220d, 220e) de l'actionneur (110), préalablement connues, différentes d'une première position (220a) préalablement connue, par entrée en contact électrique de l'ergot de contact par frottement (120) avec deux des faisceaux conducteurs (140a, 140b, 140c; 240d, 240e; 340f) du champ de contact statique (130).
PCT/EP2013/057346 2012-05-15 2013-04-09 Micro-commutateur à reconnaissance de position multiple pour système de fermeture de véhicule, et procédé pour réaliser un micro-commutateur à reconnaissance de position multiple WO2013171005A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012208077.5 2012-05-15
DE102012208077A DE102012208077A1 (de) 2012-05-15 2012-05-15 Mikroschalter mit Mehrfachpositionserkennung für ein Schließsystem für ein Fahrzeug sowie ein Verfahren zur Herstellung eines Mikroschalters mit Mehrfachpositionserkennung

Publications (2)

Publication Number Publication Date
WO2013171005A2 true WO2013171005A2 (fr) 2013-11-21
WO2013171005A3 WO2013171005A3 (fr) 2014-10-30

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PCT/EP2013/057346 WO2013171005A2 (fr) 2012-05-15 2013-04-09 Micro-commutateur à reconnaissance de position multiple pour système de fermeture de véhicule, et procédé pour réaliser un micro-commutateur à reconnaissance de position multiple

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DE (1) DE102012208077A1 (fr)
WO (1) WO2013171005A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014222428A1 (de) 2014-11-04 2016-05-04 Zf Friedrichshafen Ag Komponententräger-Schalter-Baugruppe

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5746076A (en) 1994-11-21 1998-05-05 Mitsui Kinzoku Kogyo Kabushiki Kaisha Door lock actuator unit
WO2006060972A1 (fr) 2004-12-07 2006-06-15 Kiekert Aktiengesellschaft Module electromecanique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2113134T3 (es) * 1994-04-19 1998-04-16 Helag Electronic Gmbh Microinterruptor electrico.
JP3593468B2 (ja) * 1999-03-31 2004-11-24 ナイルス株式会社 防塵スイッチ装置
DE10139356A1 (de) * 2001-08-17 2003-02-27 Kiekert Ag Elektrische Bauelementanordnung
EP1994540A2 (fr) * 2006-03-10 2008-11-26 E.I. Du Pont De Nemours And Company Appareil présentant des propriétés accrues de résistance à l'usure
DE202007008652U1 (de) * 2007-06-18 2008-10-30 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloß

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5746076A (en) 1994-11-21 1998-05-05 Mitsui Kinzoku Kogyo Kabushiki Kaisha Door lock actuator unit
WO2006060972A1 (fr) 2004-12-07 2006-06-15 Kiekert Aktiengesellschaft Module electromecanique

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Publication number Publication date
WO2013171005A3 (fr) 2014-10-30
DE102012208077A1 (de) 2013-11-21

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