EP2798741A1 - Bouton tactile, carte de circuit imprimé et appareil électroménager - Google Patents

Bouton tactile, carte de circuit imprimé et appareil électroménager

Info

Publication number
EP2798741A1
EP2798741A1 EP12795794.2A EP12795794A EP2798741A1 EP 2798741 A1 EP2798741 A1 EP 2798741A1 EP 12795794 A EP12795794 A EP 12795794A EP 2798741 A1 EP2798741 A1 EP 2798741A1
Authority
EP
European Patent Office
Prior art keywords
hole
touch button
circuit board
fixing element
household appliance
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Withdrawn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
EP12795794.2A
Other languages
German (de)
English (en)
Inventor
Musa OZDEMIR
Ahmet Ihsan Yuce
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP2798741A1 publication Critical patent/EP2798741A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/96015—Constructional details for touch switches
    • H03K2217/96023—Details of electro-mechanic connections between different elements, e.g.: sensing plate and integrated circuit containing electronics
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960755—Constructional details of capacitive touch and proximity switches
    • H03K2217/96076—Constructional details of capacitive touch and proximity switches with spring electrode

Definitions

  • the present invention relates to a touch button, a circuit board and a household appliance comprising these two.
  • touch buttons detection of the touch movement by the circuit boards is realized by means of springs.
  • Mounting of the spring to the circuit board consists of two steps. During production, the spring is first mounted to the circuit board and then enters the soldering process in order to be fixed onto the circuit board at the position it is mounted. The spring can lose its position on the circuit board until the soldering process or can be completely dislodged from the place it is mounted to. These errors cause problems such as precision change and detecting the wrong button for touch buttons, and also cause the circuit boards to be discarded as junk.
  • the spring is fixed to the holes, located on the circuit board, by means of at least two pins.
  • the aim of the present invention is the realization of a touch button and a circuit board which are prevented from being damaged during assembly and thus provided to have longer lifespan, and of a household appliance comprising these two.
  • the touch button, the circuit board and the household appliance realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprise at least one spring which transmits the capacitive difference occurred by the user touching the designated area, a plate which is situated between the control panel and the spring and mounted to the upper end of the spring, and a hole which is situated on the circuit board and through which the free end of the spring passes.
  • the touch button of the present invention does not rotate inside the hole by means of the shape given to the fixing element.
  • the touch button comprises a fixing element which cannot be easily dislodged from the hole by bearing against the edges of the hole.
  • a plate is situated at the spring end that is not connected to the circuit board. Thus, it is prevented that the wrong touch button is activated among the touch buttons that are close to each other.
  • the touch button is soldered to the hole from a point on the fixing element.
  • the fixing element being soldered to the edge of the hole, the spring is prevented from being dislodged from the circuit board.
  • the fixing element is placed onto the hole by being compressed.
  • the spring is prevented from being unintentionally dislodged from the circuit board by limiting the movement of the spring on the vertical plane.
  • the fixing element comprises an almost U-shaped extension that passes through the hole and a locking element that has a recess providing the fixing element to be seated in the hole in a durable manner
  • the spring retains its position by resisting against the shocks the circuit board is subjected to.
  • the hole which is shaped so as to prevent the fixing element from rotating therein and moving in the horizontal plane.
  • the hole is shaped as a triangle, ellipse or rectangle.
  • the household appliance comprises a touch button and a circuit board.
  • Figure 1 – is the perspective view of a household appliance.
  • Figure 2 – is the perspective view of the touch button in an embodiment of the present invention.
  • Figure 3 – is the perspective view of the touch button and the circuit board in an embodiment of the present invention.
  • Figure 4 – is the perspective view of the touch button in an embodiment of the present invention.
  • Figure 5 — is the perspective view of the touch button and the circuit board in an embodiment of the present invention.
  • Figure 6 — is the perspective view of the touch button in an embodiment of the present invention.
  • Figure 7 — is the perspective view of the touch button and the circuit board in an embodiment of the present invention.
  • the touch button (1) is suitable to be mounted on a circuit board (3) having at least one hole (2).
  • the touch button (1) comprises a spring (4) and a fixing element (6) located at the lower end of the spring (4).
  • the touch button (1) of the present invention comprises the fixing element (6) which is shaped so as to prevent the touch button (1) from rotating inside the hole (2) ( Figure 2, Figure 4, Figure 6).
  • the fixing element (6) is passed through the hole (2).
  • the fixing element (6) is deformed while passing through the hole (2) and returns to its initial state after being seated into the hole (2).
  • the spring (4) keeps its position until arriving to the soldering process which is the next part of the production phase ( Figure 3, Figure 5).
  • the touch button (1) comprises the fixing element (6) which is shaped so as to prevent the touch button (1) from dislodging from the hole (2).
  • the spring (4) stands firmly on the circuit board (3).
  • the touch button (1) comprises the spring (4) that has a plate (5) placed thereon.
  • the touch button (1) comprises the spring (4) that has a plate (5) placed thereon.
  • the touch button (1) comprises the fixing element (6) which is soldered to the hole (2) from at least one point.
  • the spring (4) is fixed onto the circuit board (3) ( Figure 3, Figure 5, Figure 7).
  • the touch button (1) comprises the fixing element (6) which has a flexible structure so as to be passed through the hole (2) in one direction and which is seated into the hole (2) by being pressed.
  • the fixing element (6) has a structure narrowing from top to bottom in the vertical plane.
  • the width of the fixing element (6) at its maximum is greater than the width of the hole (2) at its maximum. Therefore, the shape of the fixing element (6) changes while the fixing element (6) passes through the hole (2) and returns to its initial state after being seated into the hole (2).
  • the fixing element (6) comprises a U-shaped extension (7) which extends to the other side of the circuit board (3) by passing through the hole (2) and a recess-shaped locking element (8) which is connected to the free end of the extension (7) and bears against the edge of the hole (2).
  • the fixing element (6) is easily passed through the hole (2) and by the recess being seated onto the edge of the hole (2), the spring (4) is prevented from being unintentionally dislodged from the circuit board (3) and/or changing position on the circuit board (3) ( Figure 2, Figure 4).
  • the circuit board (3) of the present invention has a structure suitable for a touch button (1) to be mounted thereon and comprises a hole (2) wherein the fixing element (6) is inserted and which has different width and length sizes. Thus, the movement of the fixing element (6) in the horizontal plane inside the hole (2) is limited.
  • the hole (2) is shaped as a triangle, ellipse or rectangle.
  • the household appliance (9) of the present invention comprises a touch button (1) and a circuit board (3).
  • the household appliance (9) is a laundry dryer, a cooking device, a washing machine, a dishwasher or a cooling device ( Figure 1).
  • the fixing element (6) By shaping the fixing element (6) so as to prevent it from being dislodged from the hole (2) and by the electronic card (3) comprising a hole (2) which has different width and length sizes and which provides the fixing element (6) to remain in the position it is brought to, the mounting of the spring (4) to the circuit board (3) is facilitated.

Landscapes

  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

La présente invention concerne un bouton tactile (1) approprié pour être monté sur une carte de circuit imprimé (3) qui possède au moins un trou (2), un ressort (4) et un élément de fixation (6) situé à l'extrémité inférieure du ressort (4) ; une carte de circuit imprimé (3), appropriée pour recevoir le bouton tactile (1), qui possède un trou (2) dans lequel est introduit l'élément de fixation (6) et dont la longueur et la largeur sont de dimensions différentes ; un appareil électroménager (9) comportant ces deux éléments.
EP12795794.2A 2011-12-29 2012-11-30 Bouton tactile, carte de circuit imprimé et appareil électroménager Withdrawn EP2798741A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201113230 2011-12-29
PCT/EP2012/074069 WO2013098035A1 (fr) 2011-12-29 2012-11-30 Bouton tactile, carte de circuit imprimé et appareil électroménager

Publications (1)

Publication Number Publication Date
EP2798741A1 true EP2798741A1 (fr) 2014-11-05

Family

ID=47294886

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12795794.2A Withdrawn EP2798741A1 (fr) 2011-12-29 2012-11-30 Bouton tactile, carte de circuit imprimé et appareil électroménager

Country Status (2)

Country Link
EP (1) EP2798741A1 (fr)
WO (1) WO2013098035A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3015128B1 (fr) * 2013-12-13 2017-06-09 Valeo Systemes Thermiques Detecteur de proximite
CN106149302B (zh) * 2015-04-13 2020-07-07 青岛海尔洗衣机有限公司 洗衣机触摸按键
CN109104178B (zh) * 2017-06-21 2022-03-22 法雷奥汽车内部控制（深圳）有限公司 电容式触摸组件以及控制面板

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154634A (en) * 1991-12-12 1992-10-13 Amp Incorporated Connector holding device
US7579569B2 (en) * 2004-09-29 2009-08-25 Bsh Bosch Und Siemens Hausgeraete Gmbh Capacitive proximity and/or touch-sensitive switch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4575038A (en) * 1984-07-02 1986-03-11 Thermalloy Incorporated Spring clip fastener for mounting of printed circuit board components
DE102005053792B4 (de) * 2005-11-09 2009-02-19 Diehl Ako Stiftung & Co. Kg Kapazitiver Berührungsschalter
CN201315575Y (zh) 2008-09-04 2009-09-23 博西华电器（江苏）有限公司 电容式触摸按键
EP2166670A1 (fr) * 2008-09-23 2010-03-24 Invensys Controls Europe Capteur capacitif et son procédé de production correspondant
DE102009021033A1 (de) * 2009-05-07 2010-09-16 E.G.O. Elektro-Gerätebau GmbH Bedieneinrichtung und Verfahren zur Herstellung einer Bedieneinrichtung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154634A (en) * 1991-12-12 1992-10-13 Amp Incorporated Connector holding device
US7579569B2 (en) * 2004-09-29 2009-08-25 Bsh Bosch Und Siemens Hausgeraete Gmbh Capacitive proximity and/or touch-sensitive switch

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013098035A1 *

Also Published As

Publication number Publication date
WO2013098035A1 (fr) 2013-07-04

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