EP2363762B1 - Uhr mit einem mechanischen Hochfrequenzuhrwerk - Google Patents

Uhr mit einem mechanischen Hochfrequenzuhrwerk Download PDF

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Publication number
EP2363762B1
EP2363762B1 EP10155490.5A EP10155490A EP2363762B1 EP 2363762 B1 EP2363762 B1 EP 2363762B1 EP 10155490 A EP10155490 A EP 10155490A EP 2363762 B1 EP2363762 B1 EP 2363762B1
Authority
EP
European Patent Office
Prior art keywords
timepiece
wheel
frame
balance
movement
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
EP10155490.5A
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English (en)
French (fr)
Other versions
EP2363762A1 (de
Inventor
Alain Zaugg
Jean-Philippe Rochat
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 EP10155490.5A priority Critical patent/EP2363762B1/de
Priority to EP11153258A priority patent/EP2363763A3/de
Priority to TW100104925A priority patent/TWI531880B/zh
Priority to US13/039,917 priority patent/US8500323B2/en
Priority to JP2011047421A priority patent/JP5576320B2/ja
Priority to CN2011100524060A priority patent/CN102193485B/zh
Publication of EP2363762A1 publication Critical patent/EP2363762A1/de
Priority to HK12102706.7A priority patent/HK1162695A1/xx
Application granted granted Critical
Publication of EP2363762B1 publication Critical patent/EP2363762B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements
    • 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
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/021—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft
    • G04B13/022—Wheels; Pinions; Spindles; Pivots elastic fitting with a spindle, axis or shaft with parts made of hard material, e.g. silicon, diamond, sapphire, quartz and the like
    • 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
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/027—Wheels; Pinions; Spindles; Pivots planar toothing: shape and design
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F7/00—Apparatus for measuring unknown time intervals by non-electric means
    • G04F7/04—Apparatus for measuring unknown time intervals by non-electric means using a mechanical oscillator
    • G04F7/08—Watches or clocks with stop devices, e.g. chronograph
    • G04F7/0866—Special arrangements

Definitions

  • the invention relates to a timepiece whose chronometric performances are improved and, more specifically, whose mechanical movement is capable of operating at 72,000 vibrations per hour, that is to say at a frequency of 10 Hz.
  • the document EP 2,075,651 proposes to perform a movement at more than 5 Hz by respecting a ratio between the number of teeth of the escape wheel and the frequency equal to 5.
  • the document thus discloses the necessity, for a movement at 10 Hz, to use a exhaust wheel with fifty teeth while maintaining the same diameter.
  • the manufacture of fifty teeth with the same diameter is a great constraint that makes it difficult to implement and focus with conventional wheels.
  • the object of the present invention is to overcome all or part of the disadvantages mentioned above by proposing a timepiece whose exhaust system allows the frequency increase oscillation of the pendulum and, thus, the chronometric performance of the movement.
  • the invention relates to a timepiece comprising a movement comprising a sprung-balance type resonator and an escapement system of the Swiss wheel-anchor type, the wheel of the exhaust system comprising twenty teeth and the balance being arranged to oscillate at 72,000 vibrations per hour.
  • the exhaust system wheel and / or the exhaust system anchor is at least partially perforated to reduce its inertia.
  • a timepiece generally annotated 1. It comprises a housing 3 having a middle 2 closed by a bottom (not shown) and an ice 4 and which is intended to receive a mechanical movement 5 between said bottom and the dial 6 of the timepiece 1. As visible in the figure 1 , the timepiece 1 has several complications.
  • the watch movement 5 is capable of displaying the current time (hour, minute, small second located at 9 o'clock making a turn in 30 seconds and a telltale indicating whether the small second is between 0 and 30 seconds or between 30 and 60 seconds, located at 12 o'clock) but also a date (at 6 o'clock), a time zone (time at 6 o'clock), a 24-hour display of the current time (at 3 o'clock) and a chronograph (Central second realizing the turn of the dial 6 in 30 seconds, central minute realizing the turn of the dial 6 in 60 minutes).
  • the seconds of the chronograph and the current time are displayed by performing a revolution of the dial in 30 seconds to offer in particular a measuring accuracy of the chronograph of a tenth of a second. This precision is made possible thanks to the high frequency of the watch movement 5.
  • the watch movement 5 is capable of withstanding a frequency greater than 5 Hz and, in particular, a frequency of 10 Hz.
  • the movement 5 comprises a system of 7 exhaust whose inertia is attenuated by reducing its mass.
  • the movement 5 comprises a resonator 9 of the balance type 8 - spiral 10 and an exhaust system 7 of the type wheel 11 - Swiss anchor 13.
  • the balance 8 is of variable inertia type, that is to say that the four flyweights 40 visible at the periphery of its serge can be individually displaced to adapt its inertia and finally adjust the movement 5
  • the pendulum 8 may, for example, be made of copper-beryllium alloy.
  • the hairspring 10 is preferably one-piece with its ferrule 41 which is fitted on the balance shaft 12.
  • the outer coil 42 of the spiral 10 is punctured on a fixed part of the movement 5 as, for example, a bridge.
  • the inner coil 43 of the spiral 10 has a Grossmann type curve to compensate for the use of the ferrule 41.
  • the spiral 10 may, for example, be formed from monocrystalline silicon and coated with silicon dioxide.
  • the resonator 9 cooperates with the exhaust system 7 by means of a plate mounted on the balance shaft 12.
  • the exhaust system 7, better visible at the Figures 4 to 6 has a Swiss anchor 13 formed by a main face (visible to the figure 6 ) in projection.
  • the Swiss anchor 13 is mainly formed by a rod 14 connecting the fork 15 and the arms 16, 17.
  • the fork 15 comprises two horns 18, 19 facing each other, under which a sting 20 is mounted in order to cooperate respectively with a pin fixed on said plate of the balance shaft 12 and the lower part of said plate.
  • the rod 14 receives, between the two arms 16, 17, a rod 21 intended to rotate the anchor 13 between a bridge and the plate of the movement 5. Finally, on each arm 16, 17, is fitted a pallet 22, 23 to come into contact with the escape wheel 11.
  • the pallets 22, 23 may, by way of example, be formed in synthetic ruby.
  • the rod 14 and the arms 16, 17 are perforated to reduce the inertia of the exhaust system 7.
  • the opening of said main face projection (visible at the figure 6 ) makes it possible to obtain a mass per unit area of less than 1 mg.mm -2 and, depending on the material used, a weight per unit area decreased to 0.18 mg.mm -2 .
  • the anchor 13 may, for example, be formed from monocrystalline silicon and coated with silicon dioxide.
  • DLC crystalline diamond-shaped carbon
  • the opening of the rod 14 and the arms 16, 17 form, preferably, a structure of the honeycomb type in order to maintain the mechanical strength of the anchor 13 while significantly decreasing its mass.
  • the exhaust system 7 further comprises an escape wheel 11 also formed by a main face (visible at the figure 5 ) in projection.
  • the wheel 11 is formed in a board 25 on which is a pinion 27 via an axis 24, the axis 24 and the pinion 27 can be shaped.
  • the pinion 27 has 8 symmetrical wings 44 which widen as they approach the board 25 to facilitate the driving of the pinion 27 in the wheel 11.
  • the pinion 27 and the axis 24 can, for example, be formed by a metal or a metal alloy such as steel.
  • the board 25 has a hub 26 connected by five arms 28 to the serge 29 which comprises twenty pulse teeth 30.
  • the number of arms 28 and / or teeth 30 may vary, however, advantageously according to the invention, the watch movement 5 can perfectly function at high frequency, that is to say for example at 10 Hz, with a twenty-tooth exhaust wheel 30.
  • the serge 29 and / or the teeth 30 are pierced in order to reduce the inertia of the exhaust system 7.
  • the opening of said main face in projection (visible at the figure 5 ) makes it possible to obtain a mass per unit area of less than 0.7 mg.mm -2 and, depending on the material used, a weight per unit area decreased to 0.16 mg.mm -2 .
  • the board 25 may, for example, be formed from monocrystalline silicon and coated with silicon dioxide.
  • DLC crystalline diamond-shaped carbon
  • the recess 31 of the teeth 30 is substantially of triangular shape in the example illustrated in FIG. figure 5 however, a different form of recess is of course possible.
  • the serge 29 is perforated by spaces 32 between the teeth 30 which are amplified to form an acute angle ⁇ .
  • the serge 29 comprises, from each tooth 30 towards the hub 26, recesses 33 in the form of a quadrilateral and, between each recess 33, perforations 34 substantially triangular.
  • the frame 35 supporting each tooth 30 is thus triangular in shape, the base 36 being formed by the inner diameter of the serge 29 and connecting by two sides 37, 38 substantially rectilinear associated tooth 30.
  • each frame 35 therefore comprises a recess 33 and two cut-outs 34.
  • each frame 35 is interwoven with the other two adjacent frames 35.
  • each frame 35 has its side 37 intersecting with the side 38 of the previous frame and its side 38 intersecting with the side 37 of the next frame.
  • the side 38 of the previous frame joins the side 37 of the frame substantially at the middle of the base 36 of the frame 35.
  • the watch movement 5 thanks to the adaptation described above of its exhaust system 7 is capable of withstanding a frequency greater than 5 Hz and, in particular, a frequency of 10 Hz.
  • each of the days 31, 32, 33, 34 made in the plate 25 or on the anchor 13 may be of different shape and / or distributed differently and / or not through and / or unformed depending on the applications.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Micromachines (AREA)
  • Electromechanical Clocks (AREA)
  • Gears, Cams (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Claims (15)

  1. Zeitmessgerät (1), umfassend ein Werk (5), das einen Resonator (9) vom Unruh (8)-Spiralfeder (10)-Typ sowie ein Hemmungssystem (7) vom Rad (11)-Schweizer Anker (13)-Typ umfasst, wobei die Unruh (8) dafür ausgelegt ist, mit 72000 Halbschwingungen pro Stunde zu oszillieren, wobei das Rad (11) des Hemmungssystems (7) zwanzig Zähne (30) aufweist und zumindest teilweise durchbrochen ist, um das Trägheitsmoment des Hemmungssystems (7) zu verringern.
  2. Zeitmessgerät (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass das durchbrochene Rad (11) Rahmen (35) bildet, die jeweils einen Zahn (30) tragen und im Wesentlichen die Form eines Dreiecks besitzen, wobei die Basis (36) durch den Innendurchmesser des Fußkreises (29) gebildet ist und über zwei Seiten (37, 38) den zugeordneten Zahn (30) verbindet.
  3. Zeitmessgerät (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass jeder Rahmen (35) mit den beiden anderen benachbarten Rahmen (35) verschachtelt ist.
  4. Zeitmessgerät (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass jeder Rahmen (35) eine erste seiner zwei Seiten (37), die die zweite Seite des vorhergehenden Rahmens schneidet, und seine zweite Seite (38), die die erste Seite des folgenden Rahmens schneidet, umfasst.
  5. Zeitmessgerät (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die zweite Seite des vorhergehenden Rahmens mit der ersten Seite des folgenden Rahmens im Wesentlichen auf Höhe der Mitte der Basis (36) des Rahmens (35) verbunden ist.
  6. Zeitmessgerät (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass jeder Rahmen (35) eine Aussparung (33) im Wesentlichen in Form eines Vierecks und zwei Durchbrechungen (34) im Wesentlichen in Form eines Dreiecks umgibt.
  7. Zeitmessgerät (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Rad (11) auch auf Höhe seiner Zähne (30) durchbrochen (31) ist.
  8. Zeitmessgerät (1), umfassend ein Werk (5), das einen Resonator (9) vom Unruh (8)-Spiralfeder (10)-Typ und ein Hemmungssystem (7) vom Rad (11)-Schweizer Anker (13)-Typ umfasst, wobei die Unruh (8) dafür ausgelegt ist, mit 72000 Halbschwingungen pro Stunde zu oszillieren, wobei das Rad (11) des Hemmungssystems (7) zwanzig Zähne aufweist und der Anker (13) des Hemmungssystems (7) zumindest teilweise durchbrochen ist, um das Trägheitsmoment des Hemmungssystems (7) zu verringern.
  9. Zeitmessgerät (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Anker (13) durchbrochen ist, indem eine Struktur eines Wabentyps gebildet ist, um die mechanische Festigkeit beizubehalten.
  10. Zeitmessgerät (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Paletten (22, 23) des Ankers (13) aus Rubin gebildet sind.
  11. Zeitmessgerät (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Anker (13) und/oder das Rad (11) aus monokristallinem, mit Siliciumdioxid beschichtetem Silicium gebildet ist.
  12. Zeitmessgerät (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass mindestens ein Teil (15, 30) des Hemmungssystems (7) eine äußere Beschichtung aufweist, um seine Tribologie und/oder seine mechanischen Eigenschaften zu verändern.
  13. Zeitmessgerät (1) nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die äußere Beschichtung kristalliner Kohlenstoff in Diamantform (DLC) ist.
  14. Zeitmessgerät (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Unruh (8) Ausgleichsgewichte (40) aufweist, die verlagerbar sind, um ihr Trägheitsmoment anzupassen.
  15. Zeitmessgerät (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Sekundenrad des Werks (5) so montiert ist, dass es sich in 30 Sekunden vollständig dreht, um das Finissage-Räderwerk des Werks zu vereinfachen.
EP10155490.5A 2010-03-04 2010-03-04 Uhr mit einem mechanischen Hochfrequenzuhrwerk Active EP2363762B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP10155490.5A EP2363762B1 (de) 2010-03-04 2010-03-04 Uhr mit einem mechanischen Hochfrequenzuhrwerk
EP11153258A EP2363763A3 (de) 2010-03-04 2011-02-03 Uhr mit einem mechanischen Hochfrequenzuhrwerk
TW100104925A TWI531880B (zh) 2010-03-04 2011-02-15 包括高頻機械式機芯之時計
US13/039,917 US8500323B2 (en) 2010-03-04 2011-03-03 Timepiece including a high frequency mechanical movement
JP2011047421A JP5576320B2 (ja) 2010-03-04 2011-03-04 高振動周波数の機械的ムーブメントを含む時計
CN2011100524060A CN102193485B (zh) 2010-03-04 2011-03-04 包括高频机械机芯的钟表
HK12102706.7A HK1162695A1 (en) 2010-03-04 2012-03-19 Timepiece including a high frequency mechanical movement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10155490.5A EP2363762B1 (de) 2010-03-04 2010-03-04 Uhr mit einem mechanischen Hochfrequenzuhrwerk

Publications (2)

Publication Number Publication Date
EP2363762A1 EP2363762A1 (de) 2011-09-07
EP2363762B1 true EP2363762B1 (de) 2017-11-22

Family

ID=42561248

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EP10155490.5A Active EP2363762B1 (de) 2010-03-04 2010-03-04 Uhr mit einem mechanischen Hochfrequenzuhrwerk
EP11153258A Withdrawn EP2363763A3 (de) 2010-03-04 2011-02-03 Uhr mit einem mechanischen Hochfrequenzuhrwerk

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EP11153258A Withdrawn EP2363763A3 (de) 2010-03-04 2011-02-03 Uhr mit einem mechanischen Hochfrequenzuhrwerk

Country Status (6)

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US (1) US8500323B2 (de)
EP (2) EP2363762B1 (de)
JP (1) JP5576320B2 (de)
CN (1) CN102193485B (de)
HK (1) HK1162695A1 (de)
TW (1) TWI531880B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2363762B1 (de) * 2010-03-04 2017-11-22 Montres Breguet SA Uhr mit einem mechanischen Hochfrequenzuhrwerk
EP2413202B1 (de) * 2010-07-30 2017-11-15 ETA SA Manufacture Horlogère Suisse Verfahren zur Verbesserung der Verschleiss- und Stossfestigkeit einer Uhrwerkskomponente. Verschleiß- und stoßfester Anker für Uhrwerk
EP2605081A1 (de) * 2011-12-16 2013-06-19 ETA SA Manufacture Horlogère Suisse Konfektionierte Unruh für Uhrwerk
EP2605080B1 (de) * 2011-12-16 2014-09-10 ETA SA Manufacture Horlogère Suisse Konfektioniertes Rad eines Uhrwerks
EP2727880B2 (de) 2012-11-05 2019-08-07 GFD Gesellschaft für Diamantprodukte mbH Dreidimensionales, mikromechanisches Bauteil mit einer Fase und Verfahren zu dessen Herstellung
CH707797A1 (fr) * 2013-03-28 2014-09-30 Silicior Sa Procédé de fabrication d'une pièce micro-mécanique essentiellement plane, et pièce micro-mécanique comportant au moins une portion formée d'oxyde de silicium.
JP6222726B2 (ja) * 2013-07-25 2017-11-01 セイコーインスツル株式会社 時計用歯車、脱進機構、時計用ムーブメントおよび機械式時計
EP2860592B1 (de) 2013-10-09 2023-07-05 Nivarox-FAR S.A. Montagesystem, bei dem ein flaches elastisches blockierelement verwendet wird
EP2860591A1 (de) 2013-10-09 2015-04-15 Nivarox-FAR S.A. Montagesystem, bei dem ein konisches elastisches Blockierelement verwendet wird
PL405646A1 (pl) * 2013-10-15 2015-04-27 Centrum Badań Kosmicznych Polskiej Akademii Nauk Mechanizm regulujący przebieg ruchu obrotowego, sposób regulacji przebiegu ruchu obrotowego oraz zębate koło wychwytowe
USD754549S1 (en) * 2014-03-25 2016-04-26 Citizen Holdings Co., Ltd. Wrist watch case
EP2942147B1 (de) * 2014-05-08 2018-11-21 Nivarox-FAR S.A. Uhrhemmungsmechanismus ohne Schmierung
CH709665A2 (fr) * 2014-05-16 2015-11-30 Nivarox Sa Mécanisme d'horlogerie à couple de contact sans lubrification.
CH713150A2 (fr) * 2016-11-23 2018-05-31 Eta Sa Mft Horlogere Suisse Mécanisme régulateur à résonateur rotatif à guidage flexible entretenu par un échappement libre à ancre.
USD881058S1 (en) * 2018-03-05 2020-04-14 Montres Breguet S.A. Escapement wheel
JP7485506B2 (ja) 2018-10-12 2024-05-16 ロレックス・ソシエテ・アノニム 小型時計ムーブメント用の調速装置

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DE7009540U (de) * 1970-03-14 1972-01-13 Uhren Feingeraete Forsch Ankerhemmung fuer unruhuhren.
EP1736838A1 (de) * 2005-06-23 2006-12-27 CSEM Centre Suisse d'Electronique et de Microtechnique S.A. - Recherche et Développement Hemmung und Oszillator für Uhren
EP2230570A2 (de) * 2009-03-19 2010-09-22 MHVJ Manufacture Horlogère Vallée de Joux Leichter gemachte und verstärkte Uhrenkomponente
EP2251746A2 (de) * 2009-05-11 2010-11-17 Seiko Instruments Inc. Uhrenrad und Uhr

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EP1736838A1 (de) * 2005-06-23 2006-12-27 CSEM Centre Suisse d'Electronique et de Microtechnique S.A. - Recherche et Développement Hemmung und Oszillator für Uhren
EP2230570A2 (de) * 2009-03-19 2010-09-22 MHVJ Manufacture Horlogère Vallée de Joux Leichter gemachte und verstärkte Uhrenkomponente
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Also Published As

Publication number Publication date
EP2363763A3 (de) 2011-11-16
JP2011185932A (ja) 2011-09-22
US20110216629A1 (en) 2011-09-08
CN102193485A (zh) 2011-09-21
US8500323B2 (en) 2013-08-06
EP2363762A1 (de) 2011-09-07
EP2363763A2 (de) 2011-09-07
HK1162695A1 (en) 2012-08-31
TW201144954A (en) 2011-12-16
CN102193485B (zh) 2013-10-16
JP5576320B2 (ja) 2014-08-20
TWI531880B (zh) 2016-05-01

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