EP2650735A2 - Aufzugsvorrichtung für Armbanduhr mit Selbstaufzug - Google Patents

Aufzugsvorrichtung für Armbanduhr mit Selbstaufzug Download PDF

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Publication number
EP2650735A2
EP2650735A2 EP13163158.2A EP13163158A EP2650735A2 EP 2650735 A2 EP2650735 A2 EP 2650735A2 EP 13163158 A EP13163158 A EP 13163158A EP 2650735 A2 EP2650735 A2 EP 2650735A2
Authority
EP
European Patent Office
Prior art keywords
winding
mobile
watch
magnetic
mass
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
EP13163158.2A
Other languages
English (en)
French (fr)
Other versions
EP2650735A3 (de
EP2650735B1 (de
Inventor
Michel Willemin
Jean-Jacques Born
François Klopfenstein
Patrick Ragot
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.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development 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
Priority claimed from CH00510/12A external-priority patent/CH706352B1/fr
Application filed by Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP13163158.2A priority Critical patent/EP2650735B1/de
Priority to CH00749/13A priority patent/CH706361B1/fr
Publication of EP2650735A2 publication Critical patent/EP2650735A2/de
Priority to PCT/EP2014/055662 priority patent/WO2014166719A2/fr
Priority to CN201480020397.9A priority patent/CN105103058B/zh
Priority to US14/768,610 priority patent/US9836027B2/en
Priority to JP2015559523A priority patent/JP5982590B2/ja
Publication of EP2650735A3 publication Critical patent/EP2650735A3/de
Priority to HK16105844.9A priority patent/HK1218004A1/zh
Publication of EP2650735B1 publication Critical patent/EP2650735B1/de
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/006—Testing apparatus for complete clockworks with regard to external influences or general good working
    • G04D7/009—Testing apparatus for complete clockworks with regard to external influences or general good working with regard to the functioning of the automatic winding-up device
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • G04B5/16—Construction of the weights
    • G04B5/165—Weights consisting of several parts
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C1/00—Winding mechanical clocks electrically
    • G04C1/02—Winding mechanical clocks electrically by electromagnets

Definitions

  • the invention relates to a winding device for an automatic winding watch, comprising a guide at its pivot axis and inscribed in a cylinder of maximum radius, and comprising drive means of a mechanism for recharging energy.
  • the invention also relates to an automatic winding watch comprising at least one moving mechanical mass for recharging mechanical energy of at least one cylinder or accumulator.
  • the invention also relates to a watch movement comprising at least one barrel or a mechanical energy accumulator, and at least one such automatic winding.
  • the invention also relates to a self-winding watch, comprising at least one such movement, and / or at least one mechanical energy cylinder or accumulator and at least one such automatic winding.
  • the invention also relates to a device for winding automatic watches, comprising at least one electric accumulator, and at least one receptacle support for a watch, said receptacle support having a bearing surface intended to receive the bottom of a watch .
  • the invention also relates to a watch assembly comprising such a device, and at least one such watch.
  • the invention relates to the field of watchmaking, and more particularly the reassembly of automatic watches.
  • the invention proposes to provide the user with simple, inexpensive and space-saving means to remount a self-winding watch and keep it permanently in maximum power reserve potential even if it is not scope.
  • the invention relates to a winding device for an automatic winding watch, comprising a guide at its pivot axis and inscribed in a cylinder of maximum radius and comprising drive means of a charging mechanism in energy, characterized in that it comprises, or at least a ferromagnetic or magnetized portion for driving said mobile by a variable magnetic field, or an electrified portion for driving said mobile by a variable electrostatic field, or a paramagnetic conductive ring surrounding said pivot axis for driving said mobile by eddy currents.
  • the invention also relates to an automatic watch winder comprising at least one mass in mechanical movement for reloading mechanical energy of at least one barrel or accumulator, characterized in that said winding comprises, in addition to or instead of said at least one mass in mechanical movement, at least one winding mobile.
  • the invention also relates to a watch movement comprising at least one barrel or a mechanical energy accumulator, and at least one such automatic winding.
  • the invention also relates to a self-winding watch, comprising at least one such movement, and / or at least one mechanical energy cylinder or accumulator and at least one such automatic winding.
  • the invention also relates to a device for winding automatic watches, comprising at least one power supply means or an electric accumulator, and at least one receptacle support for a watch, said receptacle support having a bearing surface intended to receive support the bottom of a watch, characterized in that said device comprises means for generating a magnetic and / or electrostatic field arranged in a fixed position beneath said bearing surface and generating, at the level of at least one track, at minus a magnetic field and / or electrostatic and / or intensity and / or direction variable as a function of time.
  • the invention relates to simple means, inexpensive and compact, to remount a self-winding watch.
  • These means comprise means for generating a so-called rotating field, that is to say a magnetic field and / or electrostatic and / or intensity and / or variable direction as a function of time.
  • this field said rotating, can be deployed along any profile, linear, circular, or other.
  • the principle of the invention is to drive a charging mobile of a mechanical energy accumulator such as a barrel, by an electromagnetic force or by eddy currents, depending on the material of this mobile.
  • a mobile driven by electromagnetic forces is called here "oscillating mass”, and generally adopts the form of a conventional mechanical oscillating mass disk sector.
  • a mobile driven by eddy currents preferably has a closed surface around its pivot axis, and is comparable to a disk, and is referred to as such in the following description.
  • An oscillating mass can be extended without limitation to a mechanical mass in motion, for example translation.
  • these winding means go hand in hand with watches adapted for optimal operation.
  • winding means according to the invention are, in principle, capable of driving a conventional oscillating mass of steel, they are not directly adapted to the best for driving a gold oscillating weight in the form of a sector that does not allow the optimal flow of eddy currents.
  • the invention is developed so as to allow easy adaptation of existing oscillating masses to the winding mechanism, without significant change in movement. It is adapted to a simple replacement of a standard oscillating mass by a mass with a particular composition of materials.
  • the invention provides the addition of a disk, preferably coaxially to the mechanical oscillating weight of the watch.
  • This original mechanical oscillating weight must then remain in place to ensure reassembly when the watch is worn.
  • the modification of the movement is then limited, especially as the disc can be mounted, either independent of the mechanical oscillating mass, or integral with it, to attack, or the same drive ratchet of the cylinder, or a separate ratchet.
  • the problem of training the barrel for reassembly is well known to those skilled in the art, and is not discussed here.
  • the choice of materials for the winding watch is guided by the optimal behavior of the mobile depending on the type of field to which it is subject.
  • magnetically permeable materials are defined as materials having a relative permeability of between 10 and 10,000, such as steels, which have a relative permeability close to 100 for balance shafts for example. or around 4000 for steels commonly used in electrical circuits, or other alloys whose relative permeability reaches values of 8000 to 10000.
  • Magnetic materials for example in the case of polar masses, will be called materials capable of being magnetized so as to have a residual field of between 0.1 and 1.5 Tesla, such as for example the "Neodymium Iron Boron". a magnetic energy density Em close to 512 kJ / m 3 and giving a residual field of 0.5 to 1.3 Tesla. A lower residual field level, towards the lower part of the range can be used when combining, in a magnetization couple, such a magnetic material with a magnetically permeable antagonist component of high permeability, closer to 10000, in the range of 100 to 10,000.
  • Magnetic materials will be referred to as materials having a relative magnetic permeability of between 1.0001 and 100, for example for spacers interposed between a magnetic material and a magnetically permeable antagonist component, or alternatively between two magnetic materials, for example a spacer between a component and a polar mass.
  • weakly paramagnetic materials are: aluminum, gold, brass or the like (magnetic permeability less than 2).
  • the winding mobile 50 automatic winding watch comprises a guide 2 at its pivot axis D.
  • This mobile 50 is registered in a cylinder of maximum radius RMAX centered on this axis D, and comprises drive means of a mechanism for recharging energy, such as ratchet for driving a barrel, or the like.
  • this mobile 50 comprises, or at least one ferromagnetic or magnetized portion for driving the mobile 50 by a variable magnetic field, or an electrified portion for driving the mobile 50 by a variable electrostatic field, or a paramagnetic conductive ring surrounding the pivot axis D on a sufficiently large diameter for driving the mobile 50 by eddy currents.
  • this conductive ring is preferably at the periphery of the mobile 50, which is then called “disk" 20.
  • the winding device 50 comprises at least one magnetic oscillating mass 1, which comprises a first ferromagnetic inner portion 8 extending on radii below the minimum radius RMIN of a second peripheral portion 9 of heavy metal.
  • heavy metal is meant a material of atomic number between 73 and 79, or an alloy comprising at least 80% of heavy metal of atomic number between 73 and 79.
  • the RMIN / RMAX ratio is preferably greater than 0.5.
  • the second peripheral portion 9 comprises at least 50% of tungsten.
  • the second peripheral portion 9 comprises at least 50% of tungsten and at least 20% of gold.
  • the second peripheral portion 9 comprises at least 20% iron.
  • the winding mobile 50 comprises at least one electrified portion for driving the mobile 50 by a variable electrostatic field, which advantageously comprises electrets.
  • the figure 5 represents a winding mobile 50 which comprises at least one disk 20 comprising at least one paramagnetic conductive ring surrounding said pivot axis D for driving said mobile 50 by eddy currents.
  • the invention also relates, inside the watch, an automatic winding watch 10 comprising at least one mechanical oscillating mass 3 for recharging mechanical energy of at least one barrel or accumulator.
  • this winding device 10 comprises, in addition to or instead of this at least one mechanical oscillating weight 3, at least one such winding device 50 presented above.
  • At least one winding mobile 50 comprises at least one cutout 40.
  • the invention also relates to a watch movement 100 comprising at least one barrel or a mechanical energy accumulator, and at least one such automatic winding device 10.
  • the invention also relates to a watch 200 with automatic winding, comprising at least one such movement 100, and / or at least one cylinder or a mechanical energy accumulator and at least one such automatic winding 10.
  • the watch 200 comprises, for the mechanical energy recharging of at least one cylinder or accumulator, a paramagnetic conductive disk 20 arranged for recharging mechanical energy of at least a cylinder or accumulator, or several such disks 20.
  • the invention also relates to a device 300 for automatic watch winding, comprising at least one power supply means or an electric accumulator, and at least one receptacle support 301 for a watch.
  • the power supply means or the electric accumulator is advantageously housed in a base dressed with photovoltaic cells 309, as visible on the figure 1 , so as to supply electric means for generating fields.
  • This receptacle support 301 comprises a bearing surface 302 intended to support the bottom of a watch.
  • this device 300 includes means 310 for generating a magnetic and / or electrostatic field arranged in a fixed position at a transmission zone 303 under this bearing surface 302, and generating, at level of at least one track 340, at least one magnetic field and / or electrostatic so-called "rotating" direction and / or intensity and / or direction variable as a function of time.
  • the track 340 comprises at least one linear segment 307 of a substantially linear emission zone 303.
  • the generation means 310 generate, at the level of this at least one segment linear 307, at least one magnetic field and / or electrostatic substantially orthogonal direction, or orthogonal, to the bearing surface 302 and intensity or / and direction variable as a function of time.
  • the figure 9 illustrates a variant where the track 340 comprises several such disjoint linear segments 307A, 307B: at each of them is exerted successively such a rotating field.
  • the track 340 comprises at least one angular sector 304 of a substantially annular emission zone 303.
  • the generating means 310 generate, at this at least one angular sector 304, at least one magnetic or / and electrostatic field of substantially orthogonal or orthogonal direction, at the bearing surface 302 and intensity or / and sense varies with time.
  • the generating means 310 generate, on the transmission zone 303, a plurality of such magnetic and / or electrostatic fields, parallel to each other orthogonal to the bearing surface 302 and each of intensity or and of direction that varies with time.
  • the generation means 310 comprise a network of coils 305 at all or part of the transmission zone 303.
  • the generation means 310 generate the magnetic field and / or electrostatic on an angular sector 304 centered on a median axis of the bearing surface 302 and less than 240 ° reciprocating from one end to the other. Another of this angular sector 304.
  • the axis D of the winding of the watch to go up is substantially coincident with this median axis when the watch is placed by its bottom 201 on the bearing surface 302.
  • the trajectory 308 of the receiving track of the driving wheel 50 is illustrated on the Figures 8 and 9 .
  • the figure 7 shows the limits 306 of the transmission zone 303 actually active in such a case.
  • the generation means 310 may be, if necessary, controlled to reverse the fields and brake the mobile 50 if its speed is too high.
  • the generating means 310 generate the magnetic field and / or electrostatic in a uniform direction of rotation over all 360 ° of the bearing surface 302.
  • the physical means for producing the rotating fields may be identical, for example a complete annular network of coils 305, some or all of which, depending on the management mode chosen, are activated.
  • the device 300 advantageously comprises regulation and control means 320 for controlling the generation means 310.
  • control and control means 320 comprise time management means and control the generation of the magnetic field and / or electrostatic at predetermined times or resulting from the reception of a signal.
  • control and control means 320 control the generation of the magnetic and / or electrostatic field in the form of a so-called "rotating" field with a speed ⁇ of rotation along the angular sector 304 or the transmission zone 303.
  • the regulation and control means 320 accelerate the rotational speed ⁇ of said rotating field, from the start time of the generation of the field to an acceleration stop time after a period of time. predefined.
  • the regulation and control means 320 comprise receiving means 330 arranged for measuring position and / or speed of a winding mobile 50 driven under the effect of the variation of the magnetic and / or electrostatic field, and are capable of exerting reversing fields in the event of excessive rotational speed of a mobile 50.
  • the regulation and control means 320 make it possible to define particular cycles of field variation. For example, it is possible to first move a mass in motion in a reciprocating motion of a certain amplitude, then to modify this amplitude, or even to transform the reciprocating motion in continuous motion. This tool is extremely flexible, and is limited only by the capabilities of the control means 320.
  • the invention also relates to a watch assembly 400 comprising such a device 300, and at least one such watch 200.
  • the invention allows different winding architectures within the watch.
  • the paralleling (or series) of mechanical winding functions can be provided by subjecting the watch to acceleration of magnetic / electrostatic / eddy current origin.
  • Each of these mobiles can attack the energy accumulator, either unitarily or by the same mechanism as the already existing mechanical oscillating mass.
  • the back and forth can be limited either by the regulation and control means 320, or by a mechanical limitation, or the combination of these two solutions.
  • the complete, continuous, and accelerated rotation of the winding device 50 is a special case that strongly personalizes the watch assembly according to the invention.
  • Another solution consists in setting up a magnet that moves on an axis in the winding device, and drives in translation the magnetic oscillating mass 1 or the magnet oscillating mass 5, as the case may be, on the side of the watch 200.
  • the unbalance of the mass generally varies from 70 to 300 ⁇ Nm.
  • the inertia is of the order of 200 g.mm2.
  • the sintered tungsten has a density of about 18 g / cm3.
  • the heart of the oscillating mass is generally brass, with a thickness of the order of 0.3 to 0.4 mm.
  • the winding device 300 makes it possible, with a speed of rotation ⁇ of 5 revolutions per second, to carry out a complete reassembly of any watch in less than 5 minutes.
  • the gap between the coils 305 and the mobile winding 50 is chosen in the range of 2 to 3 mm.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Electromechanical Clocks (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
EP13163158.2A 2012-04-13 2013-04-10 Aufzugsvorrichtung für Armbanduhr mit Selbstaufzug Active EP2650735B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP13163158.2A EP2650735B1 (de) 2012-04-13 2013-04-10 Aufzugsvorrichtung für Armbanduhr mit Selbstaufzug
CH00749/13A CH706361B1 (fr) 2012-04-13 2013-04-10 Dispositif de remontage de montre à remontage automatique et montre associée.
JP2015559523A JP5982590B2 (ja) 2013-04-10 2014-03-20 自動巻き腕時計用の巻き上げデバイス
PCT/EP2014/055662 WO2014166719A2 (fr) 2013-04-10 2014-03-20 Dispositif de remontage de montre à remontage automatique
CN201480020397.9A CN105103058B (zh) 2013-04-10 2014-03-20 用于具有自动上条机构的表的上条装置
US14/768,610 US9836027B2 (en) 2013-04-10 2014-03-20 Winding device for self-winding automatic watch
HK16105844.9A HK1218004A1 (zh) 2012-04-13 2016-05-23 用於具有自動上條機構的錶的上條裝置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00510/12A CH706352B1 (fr) 2012-04-13 2012-04-13 Pièce d'horlogerie comportant un mécanisme de remontage avec transfert de couple sans contact.
EP13163158.2A EP2650735B1 (de) 2012-04-13 2013-04-10 Aufzugsvorrichtung für Armbanduhr mit Selbstaufzug

Publications (3)

Publication Number Publication Date
EP2650735A2 true EP2650735A2 (de) 2013-10-16
EP2650735A3 EP2650735A3 (de) 2015-06-03
EP2650735B1 EP2650735B1 (de) 2018-03-14

Family

ID=68382084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13163158.2A Active EP2650735B1 (de) 2012-04-13 2013-04-10 Aufzugsvorrichtung für Armbanduhr mit Selbstaufzug

Country Status (3)

Country Link
EP (1) EP2650735B1 (de)
CH (1) CH706361B1 (de)
HK (1) HK1218004A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014166719A3 (fr) * 2013-04-10 2015-06-25 The Swatch Group Research And Development Ltd Dispositif de remontage de montre à remontage automatique
US20180181075A1 (en) * 2016-12-22 2018-06-28 The Swatch Group Research And Development Ltd Smart watch winding device
EP4002018A1 (de) 2020-11-12 2022-05-25 The Swatch Group Research and Development Ltd Intelligente aufziehvorrichtung einer automatischen armbanduhr mit armbanduhridentifikation

Family Cites Families (11)

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FR555777A (fr) * 1922-09-08 1923-07-06 Dispositif d'entraînement des interrupteurs automatiques horaires
FR759771A (fr) * 1932-10-19 1934-02-09 Fritz Marti Et Fils Soc Pendule à remontage électrique avec réserve de marche à sonnerie
CH320822A (fr) * 1954-02-24 1957-04-15 Ancienne Manufacture D Horloge Installation motrice pour l'entraînement d'un mouvement d'horlogerie
FR1242820A (fr) * 1957-10-22 1960-10-07 Perfectionnements aux montres à remontage automatique par masse sans axe pivoté
US3058294A (en) * 1958-06-16 1962-10-16 Durowe A G Inertia wound timepiece with magnetic coupling means
BE688991A (de) * 1966-10-27 1967-03-31
US3635011A (en) * 1970-01-14 1972-01-18 Datcon Instr Co Elapsed-time indicator
FR2076493A6 (de) * 1970-01-16 1971-10-15 Valroger Pierre De
US3696258A (en) * 1970-07-30 1972-10-03 Gen Time Corp Electret motors capable of continuous rotation
JP2010286428A (ja) * 2009-06-15 2010-12-24 Casio Computer Co Ltd 時計用発電装置および発電装置
CH703475B1 (fr) * 2010-07-30 2015-06-30 Swatch Group Res & Dev Ltd Procédé de réalisation d'une transmission sans contact dans un mouvement d'horlogerie.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014166719A3 (fr) * 2013-04-10 2015-06-25 The Swatch Group Research And Development Ltd Dispositif de remontage de montre à remontage automatique
US9836027B2 (en) 2013-04-10 2017-12-05 The Swatch Group Research And Development Ltd Winding device for self-winding automatic watch
US20180181075A1 (en) * 2016-12-22 2018-06-28 The Swatch Group Research And Development Ltd Smart watch winding device
US10539928B2 (en) * 2016-12-22 2020-01-21 The Swatch Group Research And Development Ltd Smart watch winding device
EP4002018A1 (de) 2020-11-12 2022-05-25 The Swatch Group Research and Development Ltd Intelligente aufziehvorrichtung einer automatischen armbanduhr mit armbanduhridentifikation

Also Published As

Publication number Publication date
CH706361A2 (fr) 2013-10-15
EP2650735A3 (de) 2015-06-03
EP2650735B1 (de) 2018-03-14
CH706361B1 (fr) 2017-05-15
HK1218004A1 (zh) 2017-01-27

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