EP1779396A1 - Elektrischer mikrokontaktor für eine schaltungskarte und elektrischer schalter mit einem solchen mikrokontaktor - Google Patents

Elektrischer mikrokontaktor für eine schaltungskarte und elektrischer schalter mit einem solchen mikrokontaktor

Info

Publication number
EP1779396A1
EP1779396A1 EP05749982A EP05749982A EP1779396A1 EP 1779396 A1 EP1779396 A1 EP 1779396A1 EP 05749982 A EP05749982 A EP 05749982A EP 05749982 A EP05749982 A EP 05749982A EP 1779396 A1 EP1779396 A1 EP 1779396A1
Authority
EP
European Patent Office
Prior art keywords
microcontactor
circuit board
tongue
reflow
printed circuit
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
EP05749982A
Other languages
English (en)
French (fr)
Other versions
EP1779396B1 (de
Inventor
Stéphane Vanhelle
René Ducruet
Laurent Mounier
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.)
Dav SA
Original Assignee
Dav SA
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 Dav SA filed Critical Dav SA
Publication of EP1779396A1 publication Critical patent/EP1779396A1/de
Application granted granted Critical
Publication of EP1779396B1 publication Critical patent/EP1779396B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/032—Surface mounted component

Definitions

  • the present invention relates to an electrical microcontactor for a circuit card, intended to establish an electrical contact between two associated connection pads of a circuit card and an electric switch equipped with such a microcontactor.
  • the switches described in this application have microcontactors which all have plugs through the printed circuit board during assembly to ensure strong mechanical support of the microcontactor on the card. Indeed, this strong attachment is necessary for avoid detachment of welds after a significant cycle of mechanical stress.
  • the present invention aims to provide a microcontactor that can be mounted by a reflow process without requiring mechanical fasteners by plugging.
  • the subject of the invention is an electrical microcontactor for a circuit board intended to establish an electrical contact between two associated connection pads of a circuit card, characterized in that it comprises a metal plate presenting a first part of general form in
  • the invention also relates to an electrical switch, in particular for a motor vehicle, characterized in that it comprises a circuit board and at least one micro-switch as defined above mounted by reflow on associated connection pads of the circuit board.
  • FIG. 1 is a view from above of a microcontactor according to the invention
  • FIG. 2 is a sectional view along the line M-II of the microcontactor of FIG. 1, and
  • FIG. 3 is a cross-sectional view along the line III-III of Figure 1 of the microcontactor of Figure 1, mounted on a printed circuit board.
  • the electrical microcontactor 1 for circuit board is intended to establish an electrical contact between two associated connection areas 3 and 5 of a circuit board 7 (see FIG. 3).
  • This circuit board is for example a printed circuit board or a circuit board cut and overmolded. It is therefore understood by circuit board any support comprising circuits on which one can weld components.
  • This microcontactor 1 comprises a metal plate 9 having a first portion 11 of generally U-shaped whose branches 13 and 15 each have at their ends 17 and 19 reflow zones 21 and 23 (shown in dashed lines) capable of being connected by reflow to associated connection pads 5 of the printed circuit board 7.
  • the plate 9 has a second portion 25 made in the form of a central tongue connected in one piece to the base B of the U and moving between the two branches of the U. As can be seen in Figure 2, this tongue 25 is inclined relative to a plane P defined by the U so that a bearing on a bearing zone 27 (shown in dotted line) located towards the free end of the tongue 25 makes it possible to establish the electrical contact between a zone contacting the tongue 27 and the associated connection area 3 of the printed circuit board 7.
  • the end of the tongue is formed in the form of an end pad 31 with an enlarged portion at the level of the bearing zone 27.
  • the Refusion connection areas of the branches 21 and 23 of the wafer define a geometric line passing through the end pad 31 of the tongue 27. In the figure, this line is shown by the section line IH-III.
  • pressing on the zone 27 has the effect that the branches and in particular the reflow zones are pressed against the printed circuit board 7, while the base B of the U of the wafer 9 can lift slightly.
  • the metal plate 9 is produced by cutting and stamping, preferably in a metal strip, which makes it possible to automate the assembly of these microcontactors entirely and supply the mounting station with a roll of a strip comprising the microcontactors according to the invention. 'invention.
  • the reflow contact may be reinforced by providing for each additional branch a reflex connection side tab 33 and connected in one piece to the associated branch.
  • the two lateral connecting tabs 33 and 35 are situated substantially on said geometrical line 111-111 and have a generally square or circular shape.
  • each leg of the U and the base B of the U each comprise a pressed portion 37, 39 and 41 for positioning the microcontactor on a printed circuit board when of the assembly.
  • the fasteners are cut off from the strip and the microcontactor is positioned at the electrical contact areas of the printed circuit board 7, previously induced by a paste to braze adapted.
  • microcontactors are easily mechanically and electrically connected to a printed circuit board. This is all the more remarkable as the microcontactor is for the electrical circuit an active element both mechanically and electrically, whereas normally the components mounted by reflow are not mechanically stressed during their operation (mechanically passive).

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacture Of Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Multi-Conductor Connections (AREA)
  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)
  • Contacts (AREA)
EP05749982A 2004-06-29 2005-05-16 Elektrischer mikrokontaktor für eine platine und elektrischer schalter mit einem solchen mikrokontaktor Active EP1779396B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0407213A FR2872335B1 (fr) 2004-06-29 2004-06-29 Microcontacteur electrique pour carte a circuits et interrupteur electrique equipee d'un tel microcontacteur
PCT/EP2005/052228 WO2006003051A1 (fr) 2004-06-29 2005-05-16 Microcontacteur electrique pour carte a circuits et interrupteur electrique equipe d'un tel microcontacteur

Publications (2)

Publication Number Publication Date
EP1779396A1 true EP1779396A1 (de) 2007-05-02
EP1779396B1 EP1779396B1 (de) 2011-10-26

Family

ID=34945671

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05749982A Active EP1779396B1 (de) 2004-06-29 2005-05-16 Elektrischer mikrokontaktor für eine platine und elektrischer schalter mit einem solchen mikrokontaktor

Country Status (9)

Country Link
US (1) US20090000928A1 (de)
EP (1) EP1779396B1 (de)
JP (1) JP4879891B2 (de)
CN (1) CN1998057A (de)
AT (1) ATE531057T1 (de)
BR (1) BRPI0512673B1 (de)
ES (1) ES2375716T3 (de)
FR (1) FR2872335B1 (de)
WO (1) WO2006003051A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2928489B1 (fr) * 2008-03-05 2011-09-16 Dav Matrice de microcontactage electrique , et module de commande electrique associe
WO2014036021A1 (en) * 2012-08-28 2014-03-06 Visa International Service Association Secure device service enrollment
CN103151188A (zh) * 2012-12-25 2013-06-12 苏州君丰辰电子科技有限公司 用于自动转换开关的弹性件

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4209542C2 (de) * 1992-03-24 1995-07-06 Roederstein Kondensatoren Schmelzsicherung mit Federarm
US5612662A (en) * 1995-02-07 1997-03-18 Siemens Aktiengesellschaft Thermal fuse and method for its activation
KR20010014311A (ko) * 1997-07-02 2001-02-26 칼 하인쯔 호르닝어 회로 기판상에 고정하기 위한 열 퓨즈
JP3526775B2 (ja) * 1999-03-11 2004-05-17 アルプス電気株式会社 プッシュスイッチ
JP2002231095A (ja) * 2001-02-05 2002-08-16 Matsushita Electric Ind Co Ltd 押ボタンスイッチおよびその製造方法
FR2825510B1 (fr) * 2001-06-01 2003-09-26 Dav Ensemble de microcontact de signal implantable sur un circuit conducteur
CN2667738Y (zh) * 2003-10-31 2004-12-29 富士康(昆山)电脑接插件有限公司 语音插座连接器
TWI264025B (en) * 2004-06-28 2006-10-11 Hon Hai Prec Ind Co Ltd Push switch

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006003051A1 *

Also Published As

Publication number Publication date
ES2375716T3 (es) 2012-03-05
JP2008504658A (ja) 2008-02-14
EP1779396B1 (de) 2011-10-26
BRPI0512673B1 (pt) 2017-05-23
BRPI0512673A (pt) 2008-04-01
WO2006003051A1 (fr) 2006-01-12
ATE531057T1 (de) 2011-11-15
US20090000928A1 (en) 2009-01-01
FR2872335B1 (fr) 2006-08-18
JP4879891B2 (ja) 2012-02-22
CN1998057A (zh) 2007-07-11
FR2872335A1 (fr) 2005-12-30

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