EP4109203A1 - Unité de commande pour un appareil électrique domotique - Google Patents

Unité de commande pour un appareil électrique domotique Download PDF

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Publication number
EP4109203A1
EP4109203A1 EP22168359.2A EP22168359A EP4109203A1 EP 4109203 A1 EP4109203 A1 EP 4109203A1 EP 22168359 A EP22168359 A EP 22168359A EP 4109203 A1 EP4109203 A1 EP 4109203A1
Authority
EP
European Patent Office
Prior art keywords
slide rail
operating unit
controller
range
support
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.)
Pending
Application number
EP22168359.2A
Other languages
German (de)
English (en)
Inventor
Guntram Appelt
Thomas Kühnemuth
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.)
Stiebel Eltron GmbH and Co KG
Original Assignee
Stiebel Eltron 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 Stiebel Eltron GmbH and Co KG filed Critical Stiebel Eltron GmbH and Co KG
Publication of EP4109203A1 publication Critical patent/EP4109203A1/fr
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles

Definitions

  • the invention relates to an operating unit for an electrical domestic appliance, such as a heating appliance, a heat pump, a ventilation appliance or a water heater, with an operating button which is in contact with a soft cube which is part of the appliance surface.
  • the control button is connected to a controller and forms a guide with the Softcube.
  • the control button is rotatably mounted on the Softcube.
  • a latching device for a rotationally adjustable electrical component in particular a rotary switch or a rotary resistor, is known.
  • a leaf spring rests against a latching contour under spring force.
  • the locking contour is attached to the outside of a symmetrical locking disk and the leaf spring encloses the locking disk. It rests diametrically on the locking disk and the ends of the leaf spring are guided essentially radially, with the leaf spring otherwise being able to move freely.
  • bearings of rotary knobs by means of ball groove bearings are known on the market.
  • the object of the invention is to achieve an improvement in the feel when moving the rotary knob, with a simpler and lighter structure of the construction is to be achieved and the costs are to remain within the framework of an operating unit without a ball groove bearing.
  • a control unit for a domestic appliance is proposed with a control knob, in which the rotatable guide is formed by at least two supports, each associated with a slide rail.
  • a first bracket is slidably mounted on a first slide and a second bracket is slidably mounted on a second slide.
  • the first and second slide rails have a slope per degree of rotation that corresponds to the slope of the axis of the controller per degree of rotation.
  • the slide rail also has a pitch of 1 mm over one revolution, i.e. 360°, corresponding to 1 mm pitch in axial direction. With half a turn, corresponding to 180°, this would be 0.5 mm, to stay with the example.
  • At least two slide rails and two supports are provided in the device according to the invention.
  • the conditions are advantageously arranged in a staggered manner.
  • Three slide rails and three supports are particularly advantageous.
  • three supports are preferably provided offset by approximately 120°, in particular if the axis is only rotated by an angle of less than or equal to 120°.
  • the slide rails cover at least one angular range that also corresponds to the range of rotation of the axis of the controller. If the axis of the controller has a rotation range of 360°, the slide rails should also cover 360° and advantageously also correspondingly offset by 180° in the case of two supports and by 120° in the case of three supports.
  • the pads slide over the 360° rotation range on the slide rails and the pad or the slide rails move axially according to the pitch of the axis and since this pitch corresponds to the pitch of the slide rail, the pads on the slide rails also move and are in constant contact. This ensures that the cap always experiences a defined support. It cannot wobble, which means that a special feel is achieved when turning, namely that of a guide without play. Simply put, the button rests on the Softcube in a defined manner in every position.
  • the control button is advantageously connected to the axis of the controller and the controller is connected to the soft cube.
  • At least one third slide rail is advantageously arranged on a third support.
  • At least the first and the second slide rail are positioned in the Softcube offset by an offset angle of less than or equal to 180°.
  • the Softcube is advantageously a component which can be used in a housing or housing part of a device.
  • the Softcube is designed in one piece with a housing or a housing part, in particular integrated in a housing cap or in a housing front.
  • the soft cube and the housing part then advantageously form one part.
  • At least the first and the second slide rail can have a circular angular range, corresponding to a range of rotation of the controller axis between 0° and 360°.
  • At least the first and second supports have a segment that is smaller, in particular significantly smaller, than the angular range of the first or second slide rail.
  • the third slide rail also advantageously has an angular range corresponding to a maximum range of rotation of the controller axis between 0° and 360°, and the third support has a segment which is smaller than the angular range of the third slide rail.
  • the circulation is chosen advantageously small. If the slide rail covers more than 360° or less, a support covers in particular less than 5°. A small support is particularly advantageously provided, which is also defined by the angular range in relation to the circumference about 5° or less, in particular about 1°. Essentially, the area of the support is at least large enough that, when used as intended, it withstands the compressive forces when the operator turns it and no excessive stresses occur. If, in one example, a slide rail has a bearing surface that is 2 mm wide, then the bearing should advantageously have at least the same width and advantageously a depth of 1 mm, resulting in a bearing surface of 2 mm 2 . The support surface is advantageously not limited by the slide rail, it can also be narrower, smaller or larger than a dimension of the slide rail.
  • the at least first and second supports advantageously have a head with a contact line, a contact point or a contact surface, with which the at least two supports rest on the two slide rails.
  • the operating unit has a spring with a stop that restricts a range of rotation of the at least two, three or more supports on the slide rails to a smaller angular range than the maximum range of rotation of the controller axis.
  • This is intended to limit the setting range of the controller. For example, if the controller has a range of rotation of 360° and covers a setting range for temperature control from 0 to 60 °C, then if the range of rotation is restricted to 180 °C, the individual range for the temperature controller can be reduced to approx. 0 to 30° , with which the maximum permissible temperatures of the device can be limited. However, an increase in the minimum temperature can also be achieved in this way, so that individual values from 10 to 40°, for example, are permissible if a lower lock and an upper lock are provided as limits.
  • the spring can be locked in one of at least two angular positions in the operating unit, with a cantilever arm of the spring being assigned to a lock on the operating unit, which limits the range of rotation of the operating button.
  • the operating unit 100 which is figure 1 is shown includes a control knob 200 which is plugged onto an axis 310 of a controller 300.
  • the operating button 200 has a gear train 201 which is stamped on a sleeve 202 . Furthermore, the operating button 200 has a first slide rail 210 , a second slide rail 220 and a third slide rail 230 .
  • the operating button 200 is arranged opposite a soft cube 400 .
  • the Softcube 400 is a component of the housing of a device or a component inserted into the housing of the device.
  • the Softcube 400 is a connecting device that connects the controller 300 to a device, with this Softcube 400 advantageously being made in one piece with a component of the device or representing a component which is connected to the device.
  • the Softcube 400 has a lowering 401 , a collar 402 , a ring 403 , a fastener 404 and a base 405 .
  • the depression 401 is formed in the form of the ring 403 and a space is formed between the floor 405 and the operating knob 200 .
  • a first support 410, a second support 420 and a third support 430 are formed at least partially in the shape of a ring on the Softcube 400.
  • the supports 410, 420, 430 each have a head 411, 421 and 431.
  • the heads 411, 421 and 431 of the supports 410, 420, 430 rest on the slide rails 210, 220 and 230 of the control knob 200, respectively.
  • the first head 411 rests on the first slide rail 210
  • the second head 421 rests on the second slide rail 220
  • the third head 431 rests on the third slide rail 230 .
  • the heads 411, 421, 431 are intended to slide on the slide rails 210, 220, 230 when turning the control knob.
  • the heads 411, 421, 431 are advantageously arranged at an angle of approximately 120° to one another. They are associated with the slide rails 210, 220, 230, which are advantageously also arranged rotated at an angle of about 120 ° to each other.
  • the first slide rail 210 covers an angle of advantageously at least slightly more than 120°, in the exemplary embodiment approximately 126°.
  • a second slide rail 220 is arranged relative to the first slide rail 210, but rotated by 120° and also covers an angular range of approximately 126°.
  • the third slide rail 230 is arranged according to the same principle, namely also offset by 120° to the second slide rail, whereby it also covers an angular range of approximately 126°. Due to the intended angular range of 126°, the slide rails overlap in each case.
  • the slide rails thus overlap in each case about 6°. This ensures that the heads 411, 421 and 431 find enough contact surface when the controller axis has a rotation range of 120°.
  • the angular range of the slide rail is somewhat larger than the range of rotation D of the axis 310 insofar as the range of rotation is less than 360°
  • the slide rails 210, 220, 230 are located on the control button 200.
  • the supports 410, 420 and 430 are integrated in the soft cube.
  • the controller 300 has a bracket 301 with bores, with which it is attached to the Softcube 400 by means of the attachment means 404 .
  • Contacts 320 are provided for electrical connection.
  • the axis 310 has a flattening 311 which is designed to match a shape in the operating button, so that a torque can be transmitted from the operating button 200 to the axis 310 .
  • a cap 250 rests on the operating button 200 at a button edge 203 .
  • a cone 251 of the cap 250 engages in a hole in the control knob 201, so that the cap 250 is locked on the control knob 200 and advantageously snaps in there.
  • the gear train 201 which is formed on the sleeve 202, faces the edge of the button 203.
  • An axle receptacle 260 is connected to the axle 310 in a non-positive, positive and/or frictional manner by means of a tensioning element 240 .
  • the cap 250 is designed in such a way that it can be removed from the control button 200 .
  • the cap 250 is advantageously made of plastic as an injection molded part.
  • the cap 250 could be made of metal, wood, stone, or some other material.
  • cap 250 Due to the design of the cap 250 as a component that can be removed from the control knob 200, different color variants of the cap are also possible, so that other configurations of the cap can be realized by replacing the cap with different colors and/or materials. It is also included that different shapes of the caps 250 are provided. A hybrid design of the cap 250 made of plastic, for example with a handle 252 made of a different material, is also provided.
  • the spring 500 shown is provided in order to ensure that the control knob 200 engages or is locked to a certain extent on the Softcube 400, primarily as haptic feedback to the operator.
  • the spring 500 has a bracket 501 to which a first spring arm 510 and a second spring arm 520 are attached.
  • the first spring arm 510 has a first cam 511 and the second spring arm 520 has a second cam 522 . Due to the spring action of the spring arms 510, 520, the cams slide over the toothed mechanism 201 when the control button 200 is turned.
  • a certain locking is provided when the cams 511, 522 lie at the bottom of a tooth of the toothed mechanism 201 or between two teeth.
  • a cantilever arm 540 has a stop 541. Furthermore, the spring 500 has a plate 503 in which a cutout 504 is provided. Advantageously, at least one or more bores 502 are provided, with which the spring 500 can be twisted, brought into a specific position and fixed in a specific angular position to the Softcube 400 and/or to the controller 300 by the fastening means 404.
  • the stop 541 is intended to strike against a stop on the operating element 100 and to limit a rotary movement of the operating knob 200 there.
  • the various bores 502 in the plate 503 of the spring 500 Through the various bores 502 in the plate 503 of the spring 500, the range of rotation of the control button 200, and thus the range of rotation of the axis 310, is defined, restricted or released in certain angular ranges.
  • the control button 200 shown has the first slide rail 210 , the second slide rail 220 and the third slide rail 230 in the control button 200 .
  • the button rim 203 has various gaps 205, whereby the button rim 203 is divided into different segments and is thus elastically deformable and the cap 250 receives.
  • the button edge 203 which is thus interrupted by the gaps 205, is thus flexible to a certain extent.
  • the third slide rail 230 has a low end 231 and a high end 232 .
  • the slide rails 210, 220 each have a high end and a low end.
  • the slide rails 210, 220 and 230 are arranged almost 360° in the control knob 200. There is a height difference between the high end 232 and the low end 231 which corresponds to the pitch of a thread (not shown) on the axis 310 of the controller 300 .
  • the slide rails 210, 220, 230 have no pitch and thus the respective ends are of the same height or have the same level.
  • a shaft mount 260 arranged in a center of the operating button 200 serves to hold the shaft 310 .
  • Stabilizing webs 262 are also provided.
  • the stabilizing webs 262 or the webs 261 represent a limitation for the range of rotation of the control knob 200 in which they are suitable for the stop 541 of the cantilever arm 540 to strike the webs 261 or the stabilizing webs 262.
  • FIG 5 the arrangement of the first support 410, the second support 420 and the third support 430 in the soft cube 400 is shown. These are offset here by 120°.
  • FIG 6 shows a cap 250 placed on the control button 200.
  • a button edge 203 is provided for receiving a circumferential cam 253 of the cap 250.
  • FIG. The surrounding cam 253 snaps into the button edge 203.
  • the edge of the button 203 is provided with a recess, specifically a recess running all the way around the operating button.
  • FIG. 7 More schematic is in figure 7 shown with the first support 410 resting on the first slide rail 210 . It can also be seen how the second support 420 is associated with the second slide rail 220 and the third support 430 with the third slide rail 230 .
  • a range of rotation D of the axis 310 of the controller 300 of 120° is provided.
  • the range of rotation of the first support 410 is defined by an angle 111, namely 120°.
  • the range of rotation of the second support 420 is defined by an angle 121 and the range of rotation of the third support 430 is defined by an angle 131, also 120° in each case.
  • the overlapping areas 110, 120 and 130 of the slide rail 210, 220 and 230 are provided relative to one another so that the supports 410, 420 and 430 do not sag at the end of the slide rail 210, 220 and 230, respectively.
  • the Figures 8 - 10 refer to a light guide 450 which can be attached to the Softube 400.
  • the light guide 450 has a fastening device 451 which is fastened to the light guide 450 with a bow 452 .
  • the light guide 450 is also intended to lie in a recess 406 of the soft cube 400 .
  • figure 11 12 shows the control button 200 with a number of columns 205, the button edge 203 having clips 207.
  • FIG. A stop 263 is provided.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Control Devices (AREA)
EP22168359.2A 2021-06-02 2022-04-14 Unité de commande pour un appareil électrique domotique Pending EP4109203A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021114294.6A DE102021114294A1 (de) 2021-06-02 2021-06-02 Bedieneinheit für ein elektrisches Haustechnikgerät

Publications (1)

Publication Number Publication Date
EP4109203A1 true EP4109203A1 (fr) 2022-12-28

Family

ID=81448254

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22168359.2A Pending EP4109203A1 (fr) 2021-06-02 2022-04-14 Unité de commande pour un appareil électrique domotique

Country Status (2)

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EP (1) EP4109203A1 (fr)
DE (1) DE102021114294A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10323544A1 (de) 2003-05-24 2004-12-30 Preh Gmbh Rasteinrichtung für ein dreheinstellbares, elektrisches Bauelement
EP2151843A1 (fr) * 2008-08-07 2010-02-10 GIRA Giersiepen GmbH & Co. KG Dispositif d'installation électrique et interrupteur à manette ou régulateur rotatif, notamment potentiomètre d'arrêt
DE102014226434A1 (de) * 2014-12-18 2016-06-23 BSH Hausgeräte GmbH Sicherbare Vorrichtung zum Betätigen eines elektronischen Bauteils

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018102205A1 (de) 2018-02-01 2019-08-01 Valeo Schalter Und Sensoren Gmbh Rotations-Bedienelement, Bedieneinrichtung und Fahrzeug
DE102018118839B4 (de) 2018-08-02 2020-06-18 Behr-Hella Thermocontrol Gmbh Dreh-/Drücksteller für eine Bedienvorrichtung in einem Fahrzeug

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10323544A1 (de) 2003-05-24 2004-12-30 Preh Gmbh Rasteinrichtung für ein dreheinstellbares, elektrisches Bauelement
EP2151843A1 (fr) * 2008-08-07 2010-02-10 GIRA Giersiepen GmbH & Co. KG Dispositif d'installation électrique et interrupteur à manette ou régulateur rotatif, notamment potentiomètre d'arrêt
DE102014226434A1 (de) * 2014-12-18 2016-06-23 BSH Hausgeräte GmbH Sicherbare Vorrichtung zum Betätigen eines elektronischen Bauteils

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Publication number Publication date
DE102021114294A1 (de) 2022-12-08

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