EP2363764B1 - Dispositif de commande séquentielle d'au moins deux levées d'un mécanisme horloger - Google Patents

Dispositif de commande séquentielle d'au moins deux levées d'un mécanisme horloger Download PDF

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Publication number
EP2363764B1
EP2363764B1 EP10155664.5A EP10155664A EP2363764B1 EP 2363764 B1 EP2363764 B1 EP 2363764B1 EP 10155664 A EP10155664 A EP 10155664A EP 2363764 B1 EP2363764 B1 EP 2363764B1
Authority
EP
European Patent Office
Prior art keywords
lever
control device
torque
contact surface
hammer
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.)
Active
Application number
EP10155664.5A
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German (de)
English (en)
French (fr)
Other versions
EP2363764A1 (fr
Inventor
Simon Lauper
Jean-François Pesenti
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.)
Montres Breguet SA
Original Assignee
Montres Breguet 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 Montres Breguet SA filed Critical Montres Breguet SA
Priority to EP10155664.5A priority Critical patent/EP2363764B1/fr
Priority to EP11156530.5A priority patent/EP2363765B1/fr
Priority to CN201110113144.4A priority patent/CN102323734B/zh
Priority to US13/041,829 priority patent/US8711659B2/en
Priority to JP2011048730A priority patent/JP5463311B2/ja
Publication of EP2363764A1 publication Critical patent/EP2363764A1/fr
Application granted granted Critical
Publication of EP2363764B1 publication Critical patent/EP2363764B1/fr
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Classifications

    • 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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/12—Reiterating watches or clocks
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • 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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/04—Hour wheels; Racks or rakes; Snails or similar control mechanisms

Definitions

  • the present invention relates to a mechanical device for sequentially controlling at least two lifts of a watch mechanism, which comprises motor means and triggering means for controlling the activation of at least a first lift and a second lift to actuate , or respectively a first hammer and a second hammer, or flip-flops, said at least a first lift and a second lift which are arranged to cooperate each with a track of a contact surface that comprises said device, said surface of contact being movable under the action of motor means for transmitting energy to said lifts in the form of torque, according to a sequence imposed by said tracks where each of the lifts passes successively from a first level of consumption of torque to a second level of higher torque consumption at said first level during a first growth phase where said lift stores energy, then said second level to said first level during a second decay phase wherein said lift transmits energy to a mechanism for utilizing said energy, wherein said first lift completely transmits the energy that it has accumulated at a mechanism of use of said energy before or at the latest when said
  • the invention also relates to a timepiece comprising at least one such control device.
  • the invention is placed in the field of mechanisms for timepieces, energy consumers for auditory or visual displays, such as ringing or date mechanisms.
  • a recurring problem of striking mechanisms is the management of the energy source used for the ringing itself.
  • the patent CH 604 237 in the name of Dubois & Depraz describes a repeating watch, with a ringing device with two superimposed timbres of different tones, struck by two hammers operated by two ratchets that act by teeth wolf teeth on scales to move them to the against their respective striking force. These ratchets are toothed on only part of their circumference, and their relative position determines the play of the different ringtones. It has a ringer regulator to adjust its unwinding speed, but it does not have any special energy management to avoid peak energy consumption.
  • the invention proposes to solve the problem of peak torque consumption by proposing a mechanical sequential control device of at least two lifts of a clock mechanism, arranged to avoid peak torque consumption provided by motor means by the sum of the torque consumptions of each of the lifts, which transmit energy received from the motor means via this device, in the form of a torque, to one or more mechanisms for using this energy, as a mechanism for ring, or date, or other.
  • the invention relates to a mechanical device for sequentially controlling at least two lifts of a watch mechanism, which comprises motor means and triggering means for controlling the activation of at least a first lift and a second lift to actuate, or respectively a first hammer and a second hammer, or flip-flops, said at least a first lift and a second lift which are arranged to cooperate each with a track of a contact surface that includes said device said contact surface being movable under the action of motor means for transmitting energy to said lifts in the form of a torque, in a sequence imposed by said tracks where each of the lifts passes successively from a first level of torque consumption to a second level of torque consumption higher than said first level during a first growth phase where said lift stores the energy then said second level at said first level during a second decay phase wherein said lift transmits energy to a mechanism for using said energy, wherein said first lift completely transmits the energy that it has accumulated to a mechanism of use of said energy before or at the latest at the moment when
  • said contact surface defines said sequence so as to perform said torque consumption stabilization bearing of said first lift during the first growth phase of said second lift.
  • the invention also relates to a striking mechanism comprising at least one striking wheel using a part of the energy supplied by a power source for actuating at least one hammer on at least one stamp, by action of a tooth or a cam which comprises said ringing wheel on said hammer, and comprising at least one such control device.
  • the invention also relates to a timepiece comprising at least one such control device.
  • the invention has the advantage of allowing the most accurate sizing of energy sources such as barrels or the like, used for mechanisms such as striking mechanisms. It also makes it possible to ensure, as the case may be, the synchronization between certain events as in an instantaneous date mechanism, or the desired time shift as in a ding-dong ring, with the best possible energy management.
  • the invention makes it possible to maintain the cumulative level of torque consumed by the complications at a reasonable level. The stresses exerted on the structure, especially on the plates, are therefore lower, and the good behavior over time of the timepiece is only better. Smoothing the accumulated torque consumption curve has a direct influence on the settings, which are greatly facilitated.
  • the invention is placed in the field of mechanisms for timepieces, energy consumers for auditory or visual displays, such as ringing or date mechanisms.
  • the invention relates to a mechanical device 100 for sequential control of at least two lifts for a watch mechanism.
  • This clock mechanism is of the type which comprises motor means, such as a barrel or the like, and tripping means 3 for controlling the activation of at least a first lift 1 and a second lift 2, which are arranged to transmit energy, received from the motor means via the device 100, to a mechanism for using this energy.
  • motor means such as a barrel or the like
  • tripping means 3 for controlling the activation of at least a first lift 1 and a second lift 2, which are arranged to transmit energy, received from the motor means via the device 100, to a mechanism for using this energy.
  • lifts 1 and 2 are arranged to cooperate each with a track, respectively 301 and 302, that comprises a contact surface 10, which comprises the device 100.
  • This contact surface 10 defines, with these tracks on the basis of a track by lifting, the sequence of movements imposed on the different levies.
  • the contact surface 10 is movable under the action of the motor means of the watch mechanism, or additional motor means that may comprise the device 100. Indeed, the device 100 may be designed as an additional set juxtaposed to an existing movement.
  • the first lift 1 and the second lift 2 receive energy supplied by the contact surface 10, in the form of a torque, in a sequence imposed by the tracks 301 and 302 of the contact surface 10.
  • each of the 1, respectively 2 passes successively from a first level of torque consumption 11, respectively 21, which is preferably low or zero, to a second level of torque consumption 12, respectively 22, which is greater than the first level 11 , respectively 21, during a first growth phase 14, respectively 24, where it stores energy as a torque, then the second level 12, respectively 22, at the first level 11, respectively 21, during a second decay phase 15, respectively 25, in which it transmits energy to a mechanism for using this energy.
  • the first lift 1 completely transmits the energy that it has accumulated to a mechanism for using this energy before or at the latest at the moment when the second lift 2 completely transmits the energy that it has accumulated to a mechanism of use .
  • this control device 100 comprises delay means 4 arranged to create, during the second decay phase 15 of the first lift 1, at least one stabilization step 16 at a third level 13 of consumption of intermediate torque between the first level 11 and the second level 12 of torque consumption of the first lift 1, to avoid peak torque consumption by the cumulative torque consumption of each levées.
  • the contact surface 10 defines the sequence so as to perform the torque consumption stabilization bearing 16 of the first lift 1 during the first growth phase 24 of the second lift 2.
  • the contact surface 10 defines the sequence so as to control, after the second phase of decreasing the torque consumption of the first lift 1, the start of a new first growth phase 14 for a new maneuver. the first lift 1, before the second torque consumption decay phase of the second lift 2 is completed.
  • the contact surface 10 defines the sequence so as to control, after the completion of the first phase of growth 14 of torque consumption of the first lift 1, the start of the first growth phase 24 of consumption of couple of the second lift 2.
  • the nature of the delay means 4 depends on the mechanisms used. This description more particularly describes the case where the contact surface 10 is a set of cam tracks at the periphery. of a wheel, which is the most common configuration in watchmaking. But the invention applies exactly in the same way if the geometrical support of the contact surface 10 is of another geometrical nature, for example a linear support, the contact surface 10 can then take the form of a rack or a set of contiguous racks, or a sector with a particular geometry, for example elliptical, having tracks of cams or teeth, or other.
  • a contact surface 10 which comprises camming protrusions for actuating lifts, but it can equally well be implemented with re-entrant elements, the cams then being constituted by hollow or grooves along a profile.
  • the figures illustrate a particular example of use of the invention, relating to a striking mechanism.
  • the figures 1 and 3 illustrate a state of the art known, including achievements WATCH BREGUET.
  • the contact surface 10 is at the periphery of a ring gear 30 driven by the motor means of the watch mechanism, and controls the sequence of the movements of the first and second liftings 2 which are pivotally mounted each around an axis parallel to that of the wheel 30 and external to the latter, by a first track 301 having at least a first control cam 31 for the operation of the first lift 1, and by a second track 302 separate from the first track 301 having at least one second control cam 32 for the operation of the second lift 2.
  • These control cams 31 and 32 are formed as pointed teeth, as visible on the figure 6 .
  • the second lift 2 is armed from an angular position of 13 ° in the example of the figure 3 in the dashed representation, the torque consumption of this lift 2 increases to the second torque level 22, which constitutes its maximum level, around 18 °.
  • This torque drops to 19 °, when the lift 2 is released and releases its energy transmitted to the second hammer 8, to hit the second stamp, or gong, 81.
  • the consumption then drops to the first level 21, until rearming to 26 ° , where the sequence is repeated, then to 39 °, where the sequence is repeated again.
  • the representative dashed curve of the cumulative torque consumption varies considerably, with a high peak around 15 ° / 27 ° / 39 °, and a very low level around 20 ° / 32 ° / 44 °.
  • the second maximum level 12 corresponding to the first lift 1 of the first hammer 7 ding "acute" is 200g.mm
  • the second maximum level 22 corresponding to the second lift 2 of the second hammer 8 dong "serious" is of 150g.mm.
  • the maximum level of the resulting curve is 300 g / mm, and is therefore only slightly less than the sum of the maximum torque which is 350 g / mm.
  • the invention implements a Shift the reinforcement of one of the hammers in time, widening the corresponding tooth, and keeping the hammer armed until release.
  • the contact surface 10 is at the periphery of a wheel 30 driven by the motor means of the watch mechanism, or by motor means that comprises the device 100.
  • the wheel 30 is a ringing wheel.
  • the contact surface 10 controls the sequence of movements of the first lift 1 and second lift 2 which are pivotally mounted each around an axis parallel to that of the wheel 30 and external to the latter.
  • This control is done by a first track 301 comprising at least a first control cam 31 for the operation of the first lift 1, and by a second track 302 separate from the first track 301 having at least a second control cam 32 for the second-round maneuver 2.
  • the example of figure 4 shows, on the first track 301, three cams 31 in the form of teeth, to control three ding sounds, and, on the second track 302, three cams 32 in the form of teeth, to control three dong sounds.
  • the arrangement of the contact surface 10 defines the phase shift between the ding sounds and the dong sounds, as well as the time interval between two consecutive ding-dongs.
  • each ring sequence rolls three ding-dong in succession, and the wheel 30 of the example of the figure 4 has six groups of cams each running these three ding-dongs. Stopping between a sequence of three ding-dong and the next is carried out for example by an anchor mechanism, not shown in the figure, controlled by the triggering means 3 of the watch mechanism, for example a timer or the like.
  • the first control cam 31 comprises a delay surface 40 which constitutes the delay means 4, or at least some of them if they are multiple.
  • the retarding surface 40 is constituted by a cylindrical sector whose axis is coincident with that of the wheel 30 and constitutes the largest diameter of the latter in the deflection zone of the first lift 1 and second lift 2 or by a flat surface substantially tangent to such a cylindrical sector.
  • Other embodiments and in particular with other profiles are obviously possible without departing from the heart of the invention.
  • the contact surface 10 comprises at least a first control cam 31 for the operation of the first lift 1 and at least a second control cam 32 for the operation of the second lift 2.
  • Each control cam 31, respectively 32 comprises a first ramp 310, respectively 311, for the first growth phase 14, respectively 24, and a second ramp 320, respectively 321, for at least the end of the second decay phase 15, respectively 25.
  • the first control cam 31 comprises, between the first ramp 310 and the second ramp 320, an intermediate surface 401 constituting the delay means 4.
  • each control cam 31, respectively 32 comprises, between the first ramp 310, respectively 311 and the second ramp 320, respectively 321, an intermediate surface 401, respectively 402, constituting means for 4.
  • This configuration may be useful for both benefiting from the cumulated torque savings achieved by arranging the first tooth 31 with the intermediate surface 401, and adjusting the time difference between a given value to a predetermined value. the sounds ding and dong, by shifting this second ring thanks to the second intermediate surface 402 as visible on the figure 7 .
  • the intermediate torque level 13 is a holding torque on the tooth, at this stage the lift 1 fully armed the hammer 7.
  • the torque is regular .
  • the second lift 2 is armed from an angular position of 13 ° in the example of the figure 4 , the torque consumption of this lift 2 increases to the second torque level 22, which is its maximum level, around 18 °. This couple drops towards 19 °, when the lift 2 is released and releases its energy transmitted to the second hammer 8, to strike the second timbre, or gong, 81. The consumption then falls back to the first level 21, until rearming towards 26 °, where the sequence repeats itself, then towards 37 °, where the sequence is repeated again.
  • the representative curve of the cumulated torque consumption varies slightly, ranging between 130 and 250 g.mm, throughout the ringing sequence.
  • the second maximum level 12 corresponding to the first lift 1 of the first hammer 7 ding "acute" is 215 g.mm
  • the second maximum level 22 corresponding to the second lift 2 of the second hammer 8 dong "serious” is 155 g.mm.
  • the maximum level of the resulting curve is 250 g.mm, and is therefore very substantially less than the sum of the maximum torque that is 370 g.mm. It is understood that the maximum level of torque 22 corresponding to the second lift could be much higher than it is, without much altering the resultant, since the torque consumption of the two lifts are somehow in phase opposition thanks to the bearing self-timer on the first tooth.
  • the torque taken by the ring does not include significant peaks due to the addition of the pairs of the two hammers.
  • the contact surface 10 is located at the periphery of a ringing wheel 30, and the first lifting 1 and second lifting 2 are arranged to actuate each at least one hammer 7, respectively 8, on at least one stamp or gong 71, respectively 81, by the action of as many teeth 31, respectively 32 that includes the ringing wheel 30 and which constitute, supplemented by intermediate areas without contact with the first lift 1 and second lift 2, the contact surface 10.
  • the hammers can also strike a keyboard or the like.
  • the contact surface 10 successively arms at least a first lift 1 and a second lift 2 that include scales of a date mechanism, or which control the movement of such flip-flops.
  • this date mechanism is then an instantaneous date mechanism that comprises several flip-flops, which are successively armed by different lifts, and which jump simultaneously.
  • the invention also relates to a striking mechanism comprising at least one striking wheel using a part of the energy supplied by a power source for actuating at least one hammer on at least one stamp, by action of a tooth or a cam which comprises said ringing wheel on said hammer, and comprising at least one control device.
  • the invention also relates to a date mechanism comprising flip-flops operated by such a device 100.
  • the invention also relates to a timepiece comprising at least one such control device 100.
  • the invention also relates to a timepiece comprising at least one control device 100, for regulating the torque consumed by a striking mechanism that includes this timepiece.
  • the invention also relates to such a timepiece where the striking mechanism is a minute repeater striking mechanism.
  • the invention also relates to a timepiece comprising at least one control device 100, for regulating the torque consumed by a date mechanism that includes the part.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
EP10155664.5A 2010-03-05 2010-03-05 Dispositif de commande séquentielle d'au moins deux levées d'un mécanisme horloger Active EP2363764B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP10155664.5A EP2363764B1 (fr) 2010-03-05 2010-03-05 Dispositif de commande séquentielle d'au moins deux levées d'un mécanisme horloger
EP11156530.5A EP2363765B1 (fr) 2010-03-05 2011-03-02 Dispositif de commande séquentielle d'au moins deux levées d'un mécanisme horloger
CN201110113144.4A CN102323734B (zh) 2010-03-05 2011-03-07 用于打点机构的顺序控制装置
US13/041,829 US8711659B2 (en) 2010-03-05 2011-03-07 Sequential control device for a striking mechanism
JP2011048730A JP5463311B2 (ja) 2010-03-05 2011-03-07 時打ち機構のためのシーケンス制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10155664.5A EP2363764B1 (fr) 2010-03-05 2010-03-05 Dispositif de commande séquentielle d'au moins deux levées d'un mécanisme horloger

Publications (2)

Publication Number Publication Date
EP2363764A1 EP2363764A1 (fr) 2011-09-07
EP2363764B1 true EP2363764B1 (fr) 2015-09-16

Family

ID=42563169

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10155664.5A Active EP2363764B1 (fr) 2010-03-05 2010-03-05 Dispositif de commande séquentielle d'au moins deux levées d'un mécanisme horloger
EP11156530.5A Active EP2363765B1 (fr) 2010-03-05 2011-03-02 Dispositif de commande séquentielle d'au moins deux levées d'un mécanisme horloger

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11156530.5A Active EP2363765B1 (fr) 2010-03-05 2011-03-02 Dispositif de commande séquentielle d'au moins deux levées d'un mécanisme horloger

Country Status (4)

Country Link
US (1) US8711659B2 (ja)
EP (2) EP2363764B1 (ja)
JP (1) JP5463311B2 (ja)
CN (1) CN102323734B (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5955004B2 (ja) * 2011-02-07 2016-07-20 モントル チュードル ソシエテ アノニム 時計ムーブメント部品
CN103135428B (zh) * 2011-12-02 2015-06-10 清华大学 一种用于古代水运仪象台的报时控制装置结构
EP3435169B1 (fr) * 2017-07-25 2023-03-01 Blancpain SA Mécanisme d'arrêtage pour mécanisme de sonnerie d'horlogerie
KR102172820B1 (ko) * 2017-07-25 2020-11-03 불랑패인쏘시에떼아노님 특히 스트라이킹 메카니즘을 가진 타임피스를 위한 토크 스무싱
EP3495895B1 (fr) * 2017-12-11 2022-02-23 Omega SA Mecanisme d'affichage sonore d'horlogerie, notamment repetition chronographe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330936Y2 (ja) * 1973-10-08 1978-08-02
CH604237B5 (ja) 1976-05-20 1978-08-31 Dubois & Depraz Sa
DE2720522C3 (de) 1977-05-06 1980-02-07 Yarden Medical Engineering Ltd., Haifa (Israel) Vorrichtung zur Einstellung des Durchflusses einer Flüssigkeit
ATE554428T1 (de) * 2004-12-20 2012-05-15 Glashuetter Uhrenbetrieb Gmbh Zeitintervallmessungsgerät mit einem schlagwerk
ATE395639T1 (de) * 2005-03-31 2008-05-15 Zenith Internat Sa Repetieruhr mit einem minutenrepetiermechanismus
EP1708051A1 (fr) * 2005-03-31 2006-10-04 Zenith International SA Pièce d'horlogerie comportant un réveil
DE602005006596D1 (de) * 2005-12-14 2008-06-19 Montres Breguet Sa Uhr, die einen Schlagwerkmechanismus mit sofortiger Auslösung umfasst
EP1944662A1 (fr) * 2007-01-15 2008-07-16 Vaucher Manufacture Fleurier SA Mécanisme de sonnerie des heures
EP2133758A1 (fr) * 2008-06-12 2009-12-16 Blancpain S.A. Pièce d'horlogerie comportant un mécanisme de sonnerie

Also Published As

Publication number Publication date
JP5463311B2 (ja) 2014-04-09
EP2363765A3 (fr) 2017-08-30
US20110216632A1 (en) 2011-09-08
JP2011185936A (ja) 2011-09-22
CN102323734B (zh) 2014-06-11
EP2363765B1 (fr) 2019-05-01
EP2363764A1 (fr) 2011-09-07
CN102323734A (zh) 2012-01-18
EP2363765A2 (fr) 2011-09-07
US8711659B2 (en) 2014-04-29

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