EP3167467A1 - Élément de commande ou d'instruction notamment dans domaine de l'hygiène - Google Patents

Élément de commande ou d'instruction notamment dans domaine de l'hygiène

Info

Publication number
EP3167467A1
EP3167467A1 EP15731298.4A EP15731298A EP3167467A1 EP 3167467 A1 EP3167467 A1 EP 3167467A1 EP 15731298 A EP15731298 A EP 15731298A EP 3167467 A1 EP3167467 A1 EP 3167467A1
Authority
EP
European Patent Office
Prior art keywords
command element
control
key plate
elevations
edge
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Withdrawn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
EP15731298.4A
Other languages
German (de)
English (en)
Inventor
Thomas Freyermuth
Deepak SANAN
Mathias BORNECK
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.)
Eaton Intelligent Power Ltd
Original Assignee
Eaton Electrical IP 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 Eaton Electrical IP GmbH and Co KG filed Critical Eaton Electrical IP GmbH and Co KG
Publication of EP3167467A1 publication Critical patent/EP3167467A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements

Definitions

  • the invention relates to a control or command element comprising a key plate having a substantially flat or slightly curved basic shape.
  • a control or command element in the form of a push button which has a flat key plate.
  • the round key plate has as a surface elevation at the edge of the key plate a circumferential ring, so that when the push button is horizontal or horizontal, a shallow depression forms on the key plate.
  • the push button On a flat contact surface, which is parallel to the front of the key plate and in installation position of the push button on a front panel of a housing, cabinet or the like, and thus determines the position of the push button.
  • the push button engages with a part through an opening in the wall of the housing. The lying outside of the housing part, so the key plate with the encircling ring, depending on the application more or less dirty. If the push button is used in the hygiene area, regular cleaning is usually necessary with liquid detergent.
  • DE 10 2006 055 249 shows an operating element with a key plate on which nubs are arranged in order to increase the grip.
  • DE 39 23 747 A1 discloses an actuator for electrical switching devices, wherein a push button head is in the form of a square plate formed on the upwardly projecting knobs single digits in Braille.
  • DE 2 361 639 discloses a push button for outdoor installations, which should be less susceptible to blockages caused by ice. But all these controls are common, not to be used universally in the field of hygiene.
  • the invention is therefore based on the object to provide an operating or command element that allows blind position detection and that can be used universally in the field of hygiene.
  • a plurality of (at least two) surface elevations are provided on the key plate, the key plate being free of depressions in which liquids (for example cleaning fluids) can collect, both in the horizontal and vertical mounting position of the operating or command element.
  • liquids for example cleaning fluids
  • the surface of the key plate which results from the substantially flat or slightly curved basic shape and the surface elevations arranged thereon, forms a three-dimensional freeform surface. In this area and the existing surveys on all bulges are designed so that always creates a slope, which ensures an unhindered flow.
  • horizontal mounting position of the control or command element can thus have the key plate several valleys, but always saddle-shaped or are formed so that they fall at least in any horizontal direction or form no local minimum in this direction.
  • the key plate has only surface portions from which liquids can flow to an adjacent surface portions, there is no limitation on the mounting position. If the surface section is a peripheral surface section, then it must be ensured that fluids can flow away from this surface section either to an adjacent surface section or completely leave the carrier plate.
  • the operating element comprises a contact surface which serves to fix or position the operating element on a wall or front panel of a housing. With this position fixing and the inclination is set, which has the key plate of the operating element to the wall of the housing.
  • the abutment surface is substantially parallel to the front panel.
  • the key plate has an edge which rests in the installation position on the wall or front panel of the housing gap-free or substantially gap-free and at the contact point has an angle to the wall, the at least 93 degrees (for example, 93 to 95 degrees, 93 to 1 10 degrees, or 95 to 120 degrees).
  • the edge comprises a sealing element, wherein in a preferred embodiment means are provided which limit the compression of the sealing element in the installed position. This ensures that the sealing element is loaded only within its elastic limits and does not lose its sealing effect. Without this limitation, it would otherwise be possible, for example, to crush the sealing element, as well as temperature changes could cause overuse of the material of the sealing element and a decrease in the sealing effect would result.
  • the possible compression of the sealing element may be 5 to 20 percent (relative to the undeformed state).
  • the sealing element adjoins without offset and discontinuity of the outer shape of the edge.
  • the basic shape is convex. But it can also be flat or provided with indentations. But it is certain make sure that these indentations can not form hollows that can not drain liquids.
  • the at least one surface elevation may be a portion of a sphere having a diameter D, wherein a height of the portion relative to the basic shape is smaller than D / 2. In the limiting case, therefore, the surface elevation represents a hemisphere. If, for example, the diameter D of the sphere is 2.5 millimeters, then the height of the sphere relative to the basic shape may preferably be 0.8 to 1.2 millimeters.
  • the shape of the surface elevation is not limited only to the spherical shape. Other forms or structures may be used for surface elevation. In one embodiment, it is a non-symmetrical surface elevation having an outer flank and an inner flank, wherein the outer flank is steeper than the inner flank and the inner flank faces a central point of the button plate. In a key plate that is round in plan view, the middle point corresponds to the center of the circular key plate.
  • the button plate may have a first group of surface elevations, wherein the surface elevations of the first group lie on a circle.
  • the surface elevations may also be arranged around the middle point of the key plate in a different constellation (for example, in an oval or in a polygon).
  • the surface elevations of the first group could be formed in a rectangle, which is arranged around the intersection of the diagonal of the rectangular key plate.
  • the number of surface elevations of the first group is preferably odd (for example, 3, 5, 7, 9, etc.). If, for example, the surface elevations of the first group are arranged in a circle and the operating element is in the vertical installation position, then liquid dripping from an upper surface elevation (which would correspond to a clock dial 12:00 o'clock) then hits with high probability a passage (near 6:00 am) between two lower surface elevations. This allows liquid to drain easily. at Even number would be located just below the upper surface elevation, a lower surface elevation, which would then hinder free drainage.
  • the key plate has a second group of surface elevations disposed in a central region of the key plate.
  • the size, shape and arrangement of these surface elevations to each other can be based on the specifications of Braille for the blind and visually impaired.
  • dot structures can be detected with the fingertip.
  • the surface elevations may be substantially hemispherical points protruding 0.6 to 0.7 millimeters from the base mold.
  • a dot pitch from center to center may be 2.5 to 3 millimeters.
  • An angle between the basic shape and the surface elevation is always greater than 90 degrees in one embodiment. If, for example, the surface elevation is exactly a hemisphere, the angle between the basic shape and this hemisphere would be 90 degrees. But if it is a ball section whose height relative to the basic shape is smaller than D / 2, then the angle between the basic shape and surface elevation is greater than 90 degrees.
  • a transition radius between a surface portion of the carrier plate and an adjacent surface portion may always be greater than 3 millimeters.
  • Each surface portion of the support plate may be inclined to the horizontal by at least 3 degrees. This inclination angle ensures that liquids can flow safely away from any surface section of the carrier plate in the horizontal and vertical mounting position.
  • the surface roughness of the surface of the carrier plate is preferably low. In one embodiment, it is less than 0.8 im (R a ⁇ 0.8 ⁇ ) in the arithmetic mean.
  • Figure 1 shows a first embodiment of an operating element in different views
  • FIG. 2 shows the operating element of FIG. 1 in section in the horizontal installation position
  • Figure 3 shows a second embodiment of the control in section in vertical mounting position
  • Figures 7 to 13 further embodiments in plan view.
  • Figure 14 shows a part of a support plate of Figure 13 in section.
  • FIG. 1 shows a first exemplary embodiment of an operating element labeled 10 in various views.
  • Figure 1 a shows the control element in plan view
  • Figure 1 b in the side view
  • Figure 1 c in perspective view.
  • Figure 2 shows the control element 10 of Figure 1 in section, in which case additionally a front panel 1 of a housing not shown here is shown.
  • the operating element 10 comprises a round support plate 1 1, which has a slightly curved basic shape.
  • a plurality of surface elevations 12 are arranged in a circle, which should belong to a first group of surface elevations.
  • Concentric with the circle on which the surface elevations 12 lie, a further surface elevation 13 is provided. This surface elevation 13 lies in the center of the circular support plate 11. It serves an additional, with the fingertips tactile position detection.
  • FIG. 2 which shows the operating element 10 in section AA of FIG. 1a
  • the surface elevations 12, 13 are approximately in the form of semicircular points.
  • An angle ⁇ between the mean surface elevation 13 and the basic shape of the carrier plate 1 1 in the embodiment of Figures 1 and 2 is about 1 15 degrees.
  • An approximately equal angle is also given between the basic shape and the other surface elevations.
  • the carrier plate 1 1 comprises an edge 14, which has a sealing element 15.
  • the edge 14 with the flush with an outer side of the edge sealing element 15 forms to the front panel 1 an angle ß, which is at least 93 degrees, for example, about 100 degrees.
  • the essentially flat basic shape merges into the edge 14 in a rounded transition region 16.
  • the sealing element 15 is held securely in position by a retaining groove 17 of the rim 14.
  • An annular system 18 of the operating element 10 determines the position of the operating element 10 relative to the wall 1. In addition, it is ensured by the contact surface 18 that the sealing element 15 can be compressed only to a certain degree in the installation position shown here.
  • a shaft 19 of the operating element 10 engages through a hole 2 in the front panel. 1
  • the control element 10 is designed so that in horizontal or vertical mounting position (see Figures 2 and) can nowhere accumulate liquids.
  • the control element 10 can be readily used in the hygienic field, in which a cleaning with liquid detergent is common.
  • ß is also ensured that no undercuts or sharp corners are formed, in which dirt and bacteria can accumulate or from which dirt and bacteria, if at all, can be removed again consuming.
  • a diameter of the support plate from edge to edge should be 25 to 35 millimeters. This corresponds to today's standard controls, where this size has proven itself. Accordingly, the diameter of the circle on which the surface elevations 12 lie is approximately 20 to 25 mm. With a fingertip of an operator of the operating element 10, a plurality of surface elevations 12, 13 can thus be felt simultaneously and a centering of the fingertip on the operating element is thus only possible by feeling. The arrangement of the surface elevations 12 in the circle and the surface elevation 13 in the middle of the key plate 1 1 thus the operator can determine the exact position of his finger relative to the key plate 1 1, without having to see the key plate 1 1.
  • Figure 3 shows a second embodiment of the also designated 10 control in section in vertical mounting position.
  • Features or components that are similar or identical to features or components of the embodiment of Figures 1 and 2 are given the same reference numerals. This applies mutatis mutandis to all other figures.
  • control element 10 of Figure 3 has no shaft 19 which engages through a hole in the wall 1.
  • Figures 4 to 6 show further embodiments in different views.
  • the surface elevations 12, 13 shown there are only shown simplified as circular points.
  • the embodiment of Figure 4 has eight arranged in a circle surface elevations 12. In contrast to the embodiment of Figures 1 and 2, no average surface elevation is provided. In the embodiment of Figure 5, however, a mean surface elevation 13 is provided.
  • the number of surface elevations 12 arranged in a circle is nine here.
  • six surface elevations 13 in the rectangle 2x3 are arranged in the central region of the key plate 1. Shape, size and distance of these surface elevations 13 to each other are adapted to the requirements of Braille for the blind and visually impaired.
  • FIGS. 7 to 13 show further exemplary embodiments of the operating element 10 in plan view in each case.
  • the control element 10 of Figure 7 has five teardrop-shaped surface elevations 20, wherein a tip 21 of the surface elevation 20 to the center of the key plate 1 1 points.
  • five surface elevations 22 are also provided, which are provided in a coaxial with the center of the support plate 1 1 arranged circle and having the shape of a rectangle with rounded corners or the shape of a slot.
  • the designated surface elevations 23 of Figure 9 are trapezoidal in plan view formally. Also, they are again arranged symmetrically to the center of the carrier plate on a circle.
  • FIGS. 10 to 12 Further possible shapes for the surface elevations are shown in FIGS. 10 to 12.
  • pentagons 24 are shown in plan view.
  • the surface elevations 25, 26 of FIGS. 11 and 12 are triangles in plan view, in the exemplary embodiment of FIG 12 the triangles have rounded corners.
  • the surface elevations run, flattening in height to the middle of the key plate. So that the operator feels a hollow with his fingertip.
  • FIG. 13 shows an exemplary embodiment of the operating element 10 that has five surface elevations 27 arranged on the circumference in the vicinity of the edge 14 of the carrier plate 11. Centrally on the support plate 1 1, a circular surface elevation 28 is arranged.
  • Figure 14 shows schematically in section the course of the surface of the support plate 1 1 from the edge 14 to the arranged in the middle of the support plate 1 1 surface elevation 28.
  • the surface elevation 27 has from the edge 14, starting from an outer edge 30, the slope is greater as the slope of an inner flank 29, which faces the middle surface elevation 28.
  • the inner edge 29 runs slowly into the basic shape of the support plate 1 1.
  • the five surface elevations 27 of the operating element 10 of FIGS. 13 and 14 form a trough-shaped form which can be felt well by the fingertip of a thumb or another finger. It is also big enough to allow glove operation. In the middle of this tub then the surface elevation 28 is formed, which can also be felt well by the fingertip.
  • the distance between adjacent surface elevations 27, 28 is about 10 millimeters, so that the fingertip can simultaneously feel two or more surface elevations. This enables a reliable orientation of the fingertip on the key pad.
  • plate 1 1 Since the surface elevations 27 are spaced from each other, liquid can drain between them, which could accumulate in the horizontal and vertical mounting position when cleaning the control element 10 on the support plate 1 1. Other mounting angles are possible, for example, when installed in a sloping console housing.

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)

Abstract

L'invention concerne un élément de commande ou d'instruction (10) comprenant un panneau tactile (11) qui a une forme de base sensiblement plane ou légèrement incurvée, qui comporte plusieurs élévations de surface (12, 13; 20; 22 à 28) formées sur la forme de base et qui peut être détecté de façon haptique avec le bout d'un doigt pour pouvoir ressentir la position du bout du doigt sur l'écran tactile (11). L'invention est caractérisée en ce que, dans la position de montage aussi bien horizontale que verticale de l'élément de commande et d'instruction (10), le panneau tactile (11) est dépourvu de creux dans lesquels des liquides peuvent s'accumuler. De même, d'autres angles de montage sont possibles, par exemple lors du montage dans un boîtier de console inclinée.
EP15731298.4A 2014-07-09 2015-06-22 Élément de commande ou d'instruction notamment dans domaine de l'hygiène Withdrawn EP3167467A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014109640 2014-07-09
PCT/EP2015/063983 WO2016005177A1 (fr) 2014-07-09 2015-06-22 Élément de commande ou d'instruction notamment dans domaine de l'hygiène

Publications (1)

Publication Number Publication Date
EP3167467A1 true EP3167467A1 (fr) 2017-05-17

Family

ID=53487352

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15731298.4A Withdrawn EP3167467A1 (fr) 2014-07-09 2015-06-22 Élément de commande ou d'instruction notamment dans domaine de l'hygiène

Country Status (5)

Country Link
US (1) US10032573B2 (fr)
EP (1) EP3167467A1 (fr)
CN (1) CN106663559A (fr)
CA (1) CA2954556A1 (fr)
WO (1) WO2016005177A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3066212B1 (fr) * 2017-05-12 2021-01-01 Continental Automotive France Bouton poussoir electronique pour poignee de porte de vehicule automobile avec forme d’activation composee de plots
US11961688B2 (en) * 2022-08-17 2024-04-16 Apple Inc. Keycap particle evacuation structure

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19954172A1 (de) * 1999-11-10 2001-05-17 Elan Schaltelemente Gmbh & Co System von Befehls- und/oder Meldegeräten, insbesondere für den Nahrungs- und Genussmittelbereich
DE102006055249A1 (de) * 2006-11-23 2008-05-29 Jungheinrich Ag Anordnung eines Bedienelements für einen Notausschalter in einem Flurförderzeug

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2984726A (en) * 1959-01-26 1961-05-16 Illinois Tool Works Sealed push button control switch
FR2210811B1 (fr) 1972-12-18 1976-10-29 Cit Alcatel
US4066851A (en) * 1975-10-30 1978-01-03 Chomerics, Inc. Keyboard switch assembly having foldable printed circuit board, integral spacer and preformed depression-type alignment fold
DE3923747A1 (de) 1989-07-18 1991-01-24 Schlegel Georg Gmbh & Co Betaetiger fuer elektrische schaltapparate
US5584381A (en) * 1994-12-14 1996-12-17 Chrysler Corporation Illuminated rocker buttons with light dams
FI118836B (fi) * 2006-02-14 2008-03-31 Sandvik Tamrock Oy Näppäinsovitelma ja näppäin
JP4881465B2 (ja) 2010-07-23 2012-02-22 シャープ株式会社 押しボタンスイッチ構造及びそれを備えた電子機器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19954172A1 (de) * 1999-11-10 2001-05-17 Elan Schaltelemente Gmbh & Co System von Befehls- und/oder Meldegeräten, insbesondere für den Nahrungs- und Genussmittelbereich
DE102006055249A1 (de) * 2006-11-23 2008-05-29 Jungheinrich Ag Anordnung eines Bedienelements für einen Notausschalter in einem Flurförderzeug

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016005177A1 *

Also Published As

Publication number Publication date
US20170178835A1 (en) 2017-06-22
CN106663559A (zh) 2017-05-10
WO2016005177A1 (fr) 2016-01-14
CA2954556A1 (fr) 2016-01-14
US10032573B2 (en) 2018-07-24

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