EP2580769A1 - Commutateur à contact glissant - Google Patents

Commutateur à contact glissant

Info

Publication number
EP2580769A1
EP2580769A1 EP11718070.3A EP11718070A EP2580769A1 EP 2580769 A1 EP2580769 A1 EP 2580769A1 EP 11718070 A EP11718070 A EP 11718070A EP 2580769 A1 EP2580769 A1 EP 2580769A1
Authority
EP
European Patent Office
Prior art keywords
sliding contact
contact
sliding
grinding
insulating
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
EP11718070.3A
Other languages
German (de)
English (en)
Other versions
EP2580769B1 (fr
Inventor
Michael Pabst
Alfons 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.)
ZF Friedrichshafen AG
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 EP2580769A1 publication Critical patent/EP2580769A1/fr
Application granted granted Critical
Publication of EP2580769B1 publication Critical patent/EP2580769B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02Details
    • H01H15/06Movable parts; Contacts mounted thereon
    • H01H15/10Operating parts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/12Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/365Bridging contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/12Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/40Contact mounted so that its contact-making surface is flush with adjoining insulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/50Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00Contacts
    • H01H1/12Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/40Contact mounted so that its contact-making surface is flush with adjoining insulation
    • H01H2001/406Contact mounted so that its contact-making surface is flush with adjoining insulation with holes or recesses between adjacent contacts, e.g. to collect abrasion powder

Definitions

  • the present invention relates to a sliding contact switch according to the preamble of claim 1.
  • electrical sliding contact switches of the present type are known e.g. from the document DE 10 2006 01 1 930 B3 and the preamble forming DE 10 2007 048 581 B3 known.
  • a problem with the known sliding contact switches with two or more sliding contacts pressed together against a grinding area surface and simultaneously movable is that the contact pressure of the normally open contact, i.e. due to manufacturing tolerance variations of the insulating material of the grinding area which has been swept during a grinding movement of the sliding contacts. the electrically contacting sliding contact, and thus the transition resistance is negatively affected.
  • the present invention seeks to provide an electrical sliding contact switch whose sliding contacts are not adversely affected by tolerance variations of the insulating material along the grinding path in their contact pressure against a contact surface.
  • an electrical sliding contact switch which has a contactor element with a first and a second sliding contact which are rigidly connected to one another and which are urged in the same direction with respective contact areas against a surface forming a common grinding area, wherein in each case one sliding contact in the common grinding area an insulating portion and a contact portion is formed, wherein an insulating portion in each case by a The contact area of a sliding contact is covered when the other sliding contact covers its contact portion with its support area, wherein a recess is formed within an insulating portion, which is covered by a contact area of a sliding contact, if the other sliding contact sweeps over its contact portion.
  • a recess is formed in each insulating section, which is swept over if the other sliding contact sweeps over its contact section.
  • the recess is formed within the Isolierabitess over the entire length of the grinding path within the Isolierabitess.
  • the recess is formed as a recess in an insulating layer forming the insulating layer, in particular as a groove or as a blind hole.
  • the contactor element is designed as a contact rocker.
  • the sliding contacts are designed as sliding contact fingers, in particular as elastically against the surface forming the common grinding area biased sliding contact fingers.
  • the electrical sliding contact switch a contact portion of the grinding portion is formed respectively on a selective contact body and / or an insulating portion of the grinding portion on a base and a housing, respectively. Also proposed is an electrical sliding contact switch, wherein a recess is formed at a location within an insulating portion on which a support region of a sliding contact occupies a rest position.
  • an electrical sliding contact switch according to the invention, wherein the sliding contact switch forms two opposing surfaces, each with a grinding area, against which a first and a second sliding contact or each support area are urged, the sliding contacts are rigidly connected to the simultaneous grinding movement, in particular by the contactor element.
  • an electrical sliding contact switch each forming a grinding area on surfaces lying opposite one another, wherein the grinding areas are mirror-symmetrical to one another.
  • a support region of a sliding contact passes over its insulating section in a contactless manner if the contact region of the other sliding contact sweeps over its contact section.
  • FIG. 3 shows by way of example two insulating sections formed according to the invention on opposite grinding areas in a sectional view.
  • FIG. 1 shows by way of example an electrical sliding contact switch 1 according to the invention which, with the exception of features described below according to the invention, in particular that in the document
  • An inventive sliding contact switch 1 has a contactor element 2 with a first 3 and a second 4 sliding contact.
  • the contactor element 2 is formed, for example, in one piece together with the first 3 and the second 4 sliding contact, wherein the sliding contacts 3, 4 are designed in particular as a sliding contact finger.
  • the first 3 and second 4 sliding contact are inelastic or rigidly connected to each other, ie.
  • the rigid connection the sliding contacts 3, 4 can be moved together and simultaneously in a switching operation of the sliding contact switch 1, ie due to movement of the Contactor element 2 (eg double arrow in Fig.
  • the first 3 and second 4 sliding contacts are respectively urged in the same (pressure) direction X with a support region 3a, 4a against the surface 5, which forms a common grinding region 6, ie a region within which the sliding contacts 3, 4 together and simultaneously move over the surface 5, ie they can paint over.
  • the support areas 3a, 4a are those areas of the sliding contacts 3, 4, which can actually contact the surface 5 during a grinding movement, in the present case, for example, strip-shaped areas or sections of the sliding contacts 3, 4.
  • the bearing areas 3a, 4a of the sliding contacts 3, 4 are movable within the common grinding area 6 along a respective grinding path 7, 8, which e.g. is defined by the predetermined possibility of movement of the contactor element 2 and thus the sliding contacts 3, 4 relative to the surface 5 (i.e., in the context of possible switch positions; double arrow in Fig. 2a) and 2b) and in Fig. 2a) and b) e.g. is shown schematically as a line.
  • a sliding track 7, 8 is assigned to a sliding contact 3, 4 or its support area 3a and 4a respectively.
  • the aim is to be able to apply as much as possible pressure force on both sliding tracks 7, 8 through the sliding contacts 3, 4 rubbing over them.
  • the sliding tracks 7, 8 are simultaneously covered by the sliding contacts 3, 4 or their support areas 3a, 4a in a common movement.
  • each sliding contact 3 4 or its support area 3a, 4a is in the common grinding area 6 respectively an insulating portion 9, 10, ie an electrically non-conductive portion, and a contact portion 1 1, 12, ie an electrically conductive portion, along the respective grinding path 7, 8 formed.
  • the insulating portion 9 and the contact portion 11 are disposed along the grinding path 7 in reverse order with respect to the insulating portion 10 and the contact portion 12 of the grinding path 8 within the grinding portion 6.
  • a contact portion 1 1, 12 is in each case a planar portion within the surface 5, in particular as a contact surface 1 1 a, 12 a formed level section.
  • An insulating portion 9, 10 is also formed within the surface 5.
  • the (alternating) arrangement of the insulating sections 9, 10 and the contact sections 1 1, 12 is such that an insulating section 9, 10 is necessarily covered by a support area 3a, 4a of a sliding contact 3, 4 or painted over (overlap in Andruckraum X) when the support region 4a, 3a of the other sliding contact 4, 3 its contact portion 12, 1 1 sweeps over (overlap in the pressing direction X).
  • a support region 3a, 4a of a sliding contact 3, 4 can thus be brought into a contact section 11, 12 or into an insulating section 9, 10 during a movement along its grinding path 7, 8.
  • the insulating sections 9, 10 may be integral, e.g. within a common insulating layer 13, be formed or as separate sections.
  • the contact portions 1 1, 12 do not contact each other.
  • the recess 14 forms a surface which, viewed in the pressing direction X behind the contact surface 1 1 a, 12 a of the contact portion 1 1, 12 of the respective associated grinding track 7 or 8 is located (at a lower level) and in particular also electrically non-conductive formed.
  • the recess 14 in this case has in particular dimensions which preferably project beyond the support region 3a, 4a transversely to the pressing direction X, at least correspond to its dimensions, such that a support region 3a, 4a elastically prestressed in the pressing direction X can dip into the recess 14.
  • Such a recess 14 causes any tolerance variations in the formation of the Isolierabitess 9, 10 do not adversely affect insofar as the pressure force of that sliding contact 3, 4, which passes over the contact portion 1 1, 12 or against this comes to rest, not can be negatively influenced by the other sliding contact 4, 3, which at the same time covers its insulating section 10, 9.
  • the insulating portion 9, 10 due to the recess 14 is not touched by the support portion 3a, 4a of a sliding contact 3, 4, as long as the other its contact portion 12, 1 1 contacted or swept.
  • a recess 14 is to be formed in each of the insulating sections 9, 10. These are each overlined, i.e. from a bearing area 3a, 4a of a first 3 or second 4 sliding contact if the other sliding contact, i.e. the second 4 or first 3, its contact portion 12, 1 1 sweeps over or contacted.
  • the recess 14 may be formed within the insulating section 9, 10 over a length, preferably the entire length of the grinding path 7, 8 within the insulating section 9, 10, e.g. Fig. 2a.
  • the recess 14 is formed, for example, as a recess within an insulation layer 9, 10 forming insulating layer 13, for example as a groove or as a blind hole, in particular with shallow depth.
  • the contactor element 2 is formed as a contact rocker, which cooperates with an actuating member 15.
  • the actuator 15 is, for example, a user-engaging element, by means of which the contactor element 2 between two switching positions (rest positions) is switchable or displaceable. In the first switching position, for example, the first contact portion 1 1 or a first contact surface 1 1 a contacted by the sliding contacts 3, 4, in the second switching position of the second contact portion 12 and the second contact surface 12 a.
  • the sliding contact switch 1 is as shown e.g. formed as a changeover switch (NO / NC switch) and has to form the contact surfaces 1 1 a, 12 a and the contact portions 1 1, 12 a first 1 6 and a second 17 optional contact body. (However, other switch variants are also included in the concept of the invention).
  • On the first select contact body 16 is e.g. the contact surface 1 1 a and the contact portion 1 1 formed on the second selection contact body 17, for. the contact surface 12b and the contact portion 12, respectively.
  • the contact surfaces or contact portions are each contactable depending on the position of the contactor element 2 of the contactor element 2, ie. of its sliding contacts 3, 4th
  • the electrically conductive contactor element 2 is in constantly conductive connection with a further contact body 18, so that contacted in one and the other switching position a current path through the contact body 18, the contactor element 2 and the respective means of its contact surfaces 1 1 and 12 respectively Optional contact body 1 6 or 17 can be formed.
  • the sliding contact switch 1 shown has a redundant trained contact system of grinding areas 6 and sliding contacts 3, 4, insofar as the first 3 and second 4 sliding contacts and associated grinding areas 6 are each formed twice.
  • a first 3 and a second 4 sliding contact with a respective support region 3a, 4a against each one a common grinding area 6 forming surface 5 urged, with the two surfaces 5 are opposite and each form a grinding area 6.
  • the surfaces 5 are between two pairs of a first 3 and a second 4 sliding contact, wherein the contactor element 2 forms a clamping element by means of the sliding contacts 3, 4 for clamping or exercise of pressure force against the surfaces 5.
  • the grinding regions 6 are, for example mirror symmetry to each other, as well as the arrangement of each first 3 and second 4 rigidly connected sliding contacts, ie each a first 3 and a second 4 sliding contact is arranged mirror-symmetrically to each of a further first 3 and second 4 sliding contact and about the mirror-symmetrical grinding regions 6 mirror-symmetrically simultaneously movable.
  • the sliding contacts 3, 4 are resiliently biased against the associated surfaces 5, ie each a first 3 and second 4 sliding contact in the direction of an opposite first 3 and second 4 sliding contact.
  • the sliding contacts 3, 4 formed on the contactor element 2 are in particular all rigidly connected to one another.
  • one selector contact body 1 6 or 17 respectively forms two contact sections 1 1 and 12 for two sliding contacts 3 and 4, e.g. for two first sliding contacts 3, and the further optional contact body 17 or 16, e.g. two contact portions 12 and 1 1 for each of the two further sliding contacts 4 and 3, e.g. the two second sliding contacts 4th
  • a respective insulating layer 13 within which respective (opposite) insulating sections 9 and 10 are formed on the opposing surfaces 5 is formed, for example, of a base material or housing material which surrounds the contact body 18 and / or the selection contact bodies 1 6 and 17, respectively or embeds, ie from an insulating material, such as a plastic material.
  • a plurality of insulating layers 13 are provided to form the insulating sections 9 and 10, respectively.
  • a respective recess 14 is preferably formed within an insulating portion 9 and 10, which is covered by a support area 3a and 4a of a sliding contact 3 and 4, if the other sliding contact 4 and 3, its contact portion 12 or 1 1 passes over.
  • Recesses 14 on opposite, simultaneously from each support area 3a and 4a swept over insulating sections 9 and 10 are preferably formed mirror-symmetrical, for example, Fig. 3. Alternatively, only a recess 14 is formed on opposite in Andruckraum insulating sections 9, 10, for example.
  • the recesses 14 are formed, for example, simultaneously with the base or a housing 19, for example by injection molding. Alternatively eg by material removal.
  • a position range is defined in which the bearing areas 3a, 4a do not contact any contact surface 11, 12. This is overshadowed when the switch positions are changed.
  • a rib 20 or a groove is arranged in the respective grinding path 7, 8, in order to avoid the formation of a plated-through hole along the grinding path 7, 8 formed in the insulating section 9, 10, FIG.
  • a sliding contact switch 1 may also be formed without such an interruption element.

Landscapes

  • Slide Switches (AREA)
  • Contacts (AREA)

Abstract

L'invention concerne un commutateur électrique à contact glissant (1) comprenant un élément contacteur (2) doté d'un premier contact glissant (3) et d'un second contact glissant (4) reliés rigidement l'un à l'autre et pressés dans la même direction (X) par des zones d'appui (3a, 4a) respectives contre une surface (5) formant une zone glissante (6) commune, une partie d'isolement (9, 10) et une partie de contact (11, 12) étant respectivement formées dans la zone glissante (6) commune pour un contact glissant (3, 4) respectif, une partie d'isolement (9, 10) étant couverte respectivement par une zone d'appui (3a, 4a) d'un contact glissant (3, 4) lorsque l'autre contact glissant (4, 3) respectif couvre sa partie de contact (12, 11) avec sa zone d'appui (4a, 3a), un évidement (14) étant formé dans une partie d'isolement (9, 10) et couvert par une zone d'appui (3a, 4a) d'un contact glissant (3, 4), au cas où l'autre contact glissant (4, 3) couvre sa partie de contact (12, 11).
EP11718070.3A 2010-06-11 2011-05-04 Commutateur à contact glissant Active EP2580769B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010029979A DE102010029979A1 (de) 2010-06-11 2010-06-11 Schleifkontaktschalter
PCT/EP2011/057118 WO2011154202A1 (fr) 2010-06-11 2011-05-04 Commutateur à contact glissant

Publications (2)

Publication Number Publication Date
EP2580769A1 true EP2580769A1 (fr) 2013-04-17
EP2580769B1 EP2580769B1 (fr) 2015-02-25

Family

ID=44209629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11718070.3A Active EP2580769B1 (fr) 2010-06-11 2011-05-04 Commutateur à contact glissant

Country Status (5)

Country Link
US (1) US9208973B2 (fr)
EP (1) EP2580769B1 (fr)
CN (1) CN102947906B (fr)
DE (1) DE102010029979A1 (fr)
WO (1) WO2011154202A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6119340B2 (ja) 2013-03-19 2017-04-26 オムロン株式会社 スイッチ
CN104299801B (zh) * 2013-07-18 2016-08-10 新巨企业股份有限公司 提升电气绝缘的多指令开关
EP3032558B1 (fr) * 2014-12-09 2017-05-10 C&K Components SAS Interrupteur à bouton-pression électrique
CN109637865B (zh) * 2018-12-29 2023-09-19 惠州冠泰电子有限公司 一种滑动式开关
USD962874S1 (en) * 2019-11-25 2022-09-06 Hitachi Energy Switzerland Ag Electrical switch

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US2453498A (en) * 1947-04-15 1948-11-09 Gen Electric Electric switch
US3188407A (en) * 1961-10-06 1965-06-08 United Aircraft Corp Brush and holder assembly
DE1615944C3 (de) * 1968-01-25 1975-11-27 Columbus-Contact Gmbh, 7750 Konstanz Kontaktvorrichtung mit zwei oder mehreren Schleifkontakten
DE1765592B2 (de) * 1968-06-14 1976-06-24 Müller, Willy, Zollikon, Zürich (Schweiz) Schaltaggregat
JP2543398Y2 (ja) * 1991-11-06 1997-08-06 株式会社東海理化電機製作所 スライド式スイッチの接点構造
US5587886A (en) * 1995-05-04 1996-12-24 Kinpo Electronics Structure for contact points of a shift switch used in a computer
DE19714522C1 (de) * 1997-04-08 1998-05-07 Priesemuth W Schalter, sowie Drahtkontakt, insbesondere zur Verwendung für einen Schalter
US6979786B2 (en) * 2004-03-18 2005-12-27 Delphi Technologies, Inc. Contact structures for sliding switches
JP4609934B2 (ja) * 2005-03-17 2011-01-12 タカタ株式会社 バックルスイッチ、これを備えたバックル、およびこのバックルを備えたシートベルト装置
ATE437446T1 (de) * 2005-09-16 2009-08-15 Zahnradfabrik Friedrichshafen Elektrischer schalter
DE102006011930B3 (de) 2006-03-15 2007-02-22 Cherry Gmbh Elektrischer Schalter mit einer schwenkbar gelagerten Kontaktwippe
US8106319B2 (en) * 2007-03-16 2012-01-31 Tyco Electronics Corporation Double beam switch contact
DE102007048581B3 (de) 2007-10-10 2008-09-18 Cherry Gmbh Schleifkontaktschalter
JP5119051B2 (ja) * 2008-06-03 2013-01-16 アルプス電気株式会社 押釦スイッチ
FR2933530B1 (fr) * 2008-07-07 2013-03-15 Sc2N Sa Dispositif de commutation electrique et manette de commande sous-volant de vehicule correspondante

Non-Patent Citations (1)

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Title
See references of WO2011154202A1 *

Also Published As

Publication number Publication date
DE102010029979A1 (de) 2011-12-15
US9208973B2 (en) 2015-12-08
US20130206565A1 (en) 2013-08-15
WO2011154202A1 (fr) 2011-12-15
EP2580769B1 (fr) 2015-02-25
CN102947906B (zh) 2015-10-21
CN102947906A (zh) 2013-02-27

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