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WO2003001304A2 - Rouage de montre pourvu de plusieurs barillets - Google Patents

Rouage de montre pourvu de plusieurs barillets Download PDF

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Publication number
WO2003001304A2
WO2003001304A2 PCT/CH2002/000346 CH0200346W WO03001304A2 WO 2003001304 A2 WO2003001304 A2 WO 2003001304A2 CH 0200346 W CH0200346 W CH 0200346W WO 03001304 A2 WO03001304 A2 WO 03001304A2
Authority
WO
WIPO (PCT)
Prior art keywords
clockwork
energy
barrels
spring
barrel
Prior art date
Application number
PCT/CH2002/000346
Other languages
German (de)
English (en)
Other versions
WO2003001304A3 (fr
Inventor
Elmar Mock
Elio Mariotto
Original Assignee
Watch-U-License Ag
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 Watch-U-License Ag filed Critical Watch-U-License Ag
Priority to AU2002313153A priority Critical patent/AU2002313153A1/en
Publication of WO2003001304A2 publication Critical patent/WO2003001304A2/fr
Publication of WO2003001304A3 publication Critical patent/WO2003001304A3/fr

Links

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
    • G04B5/00—Automatic winding up
    • G04B5/02—Automatic winding up by self-winding caused by the movement of the watch
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/12—Driving mechanisms with mainspring with several mainsprings
    • 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
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/008—Winding up several mainsprings or driving weights simultaneously

Definitions

  • the present invention relates to a mechanical clockwork, in particular for wristwatches, according to the preamble of the independent claim.
  • CH 599 580 shows a mechanical clockwork with two barrels. These barrels are arranged in series and have different dimensions. This arrangement tries to increase the accuracy. However, a reduction in autonomy is accepted.
  • a basic idea of the invention disclosed here consists in energy management, in particular in the arrangement and operative connection of individual energy areas, respectively. To save.
  • An adaptable, modular structure and defined interfaces ensure that the previously limited limits are broken.
  • Modular structures on the side of energy consumers are known. These are usually coupled to existing active connections via interfaces and adversely affect them, since they usually change the associated energy flows in a time-dependent manner, for example by activating additional active connections.
  • the oscillating mass is usually also reduced in order to compensate for the increased volume requirement of the energy store as a result of an enlargement or to generally reduce the energy consumption of the oscillating mass.
  • the energy stores are typically dimensioned very critically. As a result, the energy output is heavily dependent on the amount of energy available in the storage. Typically, for example, this problem is attempted by pretensioning the spring to encounter. The result of corresponding efforts is a reduced overall quality in comparison.
  • energy stores are designed in such a way that a disadvantageous increase in the forces and a slowdown in the movement of the energy store are specifically avoided.
  • Energy storage devices according to the invention are distinguished in that they have a much flatter characteristic curve compared to the typical storage curve characteristics known from the prior art.
  • the energy stores according to the invention are dimensioned subcritically, i.e. they do not practically reach a saturation range during normal operation.
  • Energy stores according to the invention are generally composed of a plurality of barrels, which are preferably operatively connected to one another in series. These are usually arranged on a different clockwork level than the oscillating mass. Arrangements with two, three or more additional spring housings are particularly favorable. It is targeted that the last barrel, from which the energy is transferred to the clockwork, rotates at a rotational speed of several revolutions per day (approx. 4 to 10) in order, for example, to influence the toothing (toothing noise) minimize. In particular, particularly favorable profiles of the spring characteristics of an entire spring accumulator can be achieved. If required, the barrels of a coupled energy store are of different sizes compared to one another, such that they have an optimized output behavior and output speed overall.
  • the springs rolled up in the spring housings are designed in such a way that they have a spring characteristic that is as constant as possible. This is achieved in that, if necessary, they can have a variable material thickness on the one hand and on the one hand have a defined curvature adapted to the rolling behavior. With these measures, particularly constant spring characteristics can be achieved over the entire area of application.
  • the barrel barrels are deliberately oversized if necessary.
  • energy modules are preferably coupled in such a way that there are no negative effects on energy flows. these are compensated.
  • the relevant modules are arranged in such a way that they do not restrict each other. This is achieved in particular by the fact that energy consumers and energy stores do not necessarily occupy the same effective range.
  • One of the main ideas of the invention is to arrange energy storage in a different plane than an oscillating mass used for time measurement. This will include achieved in that energy storage as a module e.g. are designed to be connected via bridge elements. As a result, an increase in the energy storage does not affect the quality of the oscillating mass.
  • the energy store or at least part of it is preferably integrated in a module in such a way that it functions as a functional unit, e.g. can be coupled with an existing clockwork on the energy generation side.
  • a clockwork according to the invention can thus be constructed not only from one but from several energetic modules.
  • the problem with mechanical clockworks is often that there is an insufficient power reserve. As a rule, the accuracy of the clockwork suffers when the power reserve is increased, since it must be accepted that the oscillating mass must be reduced.
  • a power reserve that meets the requirements is available, which guarantees autonomy for several days or weeks. Since the invention provides a modular, layered structure, it is possible to provide a module as an energy store.
  • a corresponding module preferably has a plurality of spring accumulators, which are advantageously connected in series in an advantageous manner. In contrast to the prior art, such an arrangement achieves a particularly harmonic course of the spring characteristic. Errors are deliberately corrected.
  • a slip clutch is provided, as is known, for example, from the prior art. This slip clutch is advantageously arranged in the first spring accumulator that is furthest away from the oscillating mass.
  • slip clutches if they respond, generally have a negative effect on the accuracy of a clockwork, since vibrations are generated. These have an effect on the oscillating mass via spring accumulators and gearwheels and have a negative effect on this.
  • spring accumulators because the slip clutch rarely responds due to the overall very large spring accumulator and because the slip clutch is arranged very far from the oscillating mass and the interposed operative connection, in particular the spring accumulator, has a damping effect.
  • the spring accumulators are advantageously constructed in such a way that the same parts can be used repeatedly in order to avoid manufacturing costs.
  • FIG. 1 shows a clockwork in perspective view
  • FIG. 2 shows an energy store in a perspective view
  • FIG. 3 shows a first diagram
  • Figure 4 shows a second diagram.
  • FIG. 1 shows a simplified structure of a conventional clockwork 1.
  • An oscillating mass 2 (balance), a pendulum 3 and two barrels 4, 5 which serve here as energy stores, are operatively connected to one another and are essentially in the same clockwork plane 7 as the oscillating mass 2.
  • the operative connection between the two spring housings 4, 5 is illustrated by an arrow 15.
  • the barrels 4, 5 are supplied with energy by means of a pulling device 6, manually or by means of the pendulum 3, and are serially coupled here.
  • Energy from the elevator device 6 or from the pendulum 3 first reaches the barrel 4 and from there via the operative connection 15, which here consists of an interchangeable gear 8, to the barrel 5.
  • Another operative connection schematically illustrated by an arrow 16, transfers the energy to the oscillating mass 2.
  • operative connections 15, 16 are formed, for example, by gear wheels which are in engagement with one another.
  • the oscillating mass 2 is arranged approximately on the same level as the two barrels 4, 5, see above that when the barrels 4, 5 are enlarged, the surrounding parts and in particular the oscillating mass 2 must be reduced accordingly.
  • FIG. 2 shows a first embodiment of an energy store 10 according to the invention.
  • the energy store 10 is coupled here as a preferably detachable (detachable) module 25 to the clockwork 1 from FIG. 1 and comes into operative connection with it via transmission elements 11, 12.
  • the transmission elements 11, 12 here consist of waves 13, 14 which transmit energy perpendicular to a direction z.
  • the clockwork 1 has means which are designed such that they are suitable for establishing an operative connection with the spring accumulator 10.
  • These are preferably interchangeable parts, such as the gear 8, which have a bridge function, in such a way that forces and movements can be specifically diverted to another level (for example interchangeable gears, axes, etc.).
  • the gear 8 is replaced here by two suitable shafts 13, 14 with coupled gears.
  • the spring accumulator 10 here consists of five spring housings 30, 31, 32, 33, 34 which are serially coupled to one another and essentially arranged on a further clockwork level 26.
  • the barrel barrels 30, 31, 32, 33, 34 are here arranged around a center and lie approximately on a circle.
  • the active connection 15 of the clockwork 1 (cf. FIG. 1) is not present in the arrangement shown here, but is replaced by active connections shown by the arrows 17, 18, 19, 20, 21, 22, 23, 24.
  • the active connections are realized here by gears. Energy via the elevator device 6, respectively.
  • the pendulum 3 reaches the barrel 4 via the operative connections 17 and 18 to the barrel 30 and from there via the operative connections 19, 20, 21 and 22 to the barrel 31, 32, 33 and 34 the energy via the active connections 23 and 24 to the barrel 5 and from there drives the oscillating mass 2 via the active connection 16.
  • the optimal number is determined by the requirements to be met.
  • Part of the space in the plane of the spring accumulator 10 can also be provided for other functions, such as an alarm clock or a repeater, if required.
  • Part of the energy storage device can be provided for this. Because of the preferred modular design, any combination is possible. Of course, further levels can be realized with additional energy stores.
  • FIG. 3 schematically shows characteristic curves 40, 44 of spring energy stores (energy stores) in a coordinate system in a coordinate system.
  • the abscissa 52 represents a measure of the state of charge of the energy store and the ordinate 53 represents the measure of the drive torque.
  • a curve 40 shows a course of a conventional spring store, as is used in common clockworks.
  • the curve 40 has three characteristic sections 46, 47, 48. Section 46 corresponds to a deep discharge, section 47 to a work area and section 48 to an overload. As can be seen, the curve 40 in the working area 47 has a relatively steep slope, so that the drive torque depends strongly on the state of charge. Because of the minimal dimensioning of this spring accumulator, it occurs relatively frequently that either section 46 of the deep discharge or section 48 of the overload is reached.
  • the behavior of a spring accumulator 10 according to the invention is shown schematically by a curve 44. Due to the serial arrangement of several spring housings according to the invention, their properties overlap in such a way that a particularly favorable characteristic curve 44 is achieved. A work area 50 is particularly flat and essential in comparison to that of curve 40 longer. As a result, there is much less the risk that the problematic edge regions 49 (deep discharge) and 51 (overloading) will be affected. If, for example, the area 51 of an overload is nevertheless reached and a fuse responds, the vibrations that are triggered are much less damaging, since the spring barrels located between them have a damping effect (cf. description of FIG. 2). Due to the serial arrangement, the drive torque is not increased.
  • FIG. 4 shows the behavior of a spring accumulator according to the invention (cf. FIG. 2) with four spring housings arranged in series in a coordinate system.
  • the time course is plotted on an abscissa 54 and the superimposed rotational speed of the barrel is plotted on an ordinate 55.
  • a curve 60 represents the rotational speed of a first, a curve 61 the rotational speed of a second, a curve 62 that of a third and a curve 63 that of a fourth.
  • the first barrel (curve 60) is closest to an energy source (automatic pendulum 3 , Elevator device 6) and the fourth barrel (curve 63) furthest from it, but closest, for example with oscillating mass 2 (balance).
  • the first barrel moves with the lowest and the fourth barrel (curve 63) with the highest rotation speed.
  • Gear errors and other disturbances have a far greater impact the lower the rotational speed.
  • the disturbances overlap one another and at least partially compensate.
  • the deviations of the fourth barrel (curve 63) from an average (curve 67) are correspondingly smaller.
  • the arrangement of the barrel barrels according to the invention also ensures that the barrel barrel, which rotates the shortest operative connection to the oscillating mass with an optimal rotational speed of typically several revolutions per day, and transmits minimal disturbances. The greatest possible consistency is achieved.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)

Abstract

L'invention concerne un rouage mécanique (1) de montre, comprenant un premier niveau pourvu d'une masse oscillante (2) et au moins un autre niveau pourvu de plusieurs barillets en liaison active (30, 31, 32, 33, 34).
PCT/CH2002/000346 2001-06-26 2002-06-25 Rouage de montre pourvu de plusieurs barillets WO2003001304A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002313153A AU2002313153A1 (en) 2001-06-26 2002-06-25 Clockwork with spring housings

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1172/01 2001-06-26
CH11722001 2001-06-26

Publications (2)

Publication Number Publication Date
WO2003001304A2 true WO2003001304A2 (fr) 2003-01-03
WO2003001304A3 WO2003001304A3 (fr) 2003-04-10

Family

ID=4561320

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2002/000346 WO2003001304A2 (fr) 2001-06-26 2002-06-25 Rouage de montre pourvu de plusieurs barillets

Country Status (2)

Country Link
AU (1) AU2002313153A1 (fr)
WO (1) WO2003001304A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1582943A1 (fr) * 2004-04-01 2005-10-05 Cartier International B.V. Mouvement de montre comportant plusieurs barillets
WO2019207490A1 (fr) * 2018-04-26 2019-10-31 Patek Philippe Sa Geneve Barillet d'horlogerie et procede de modification de mouvement horloger

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3479813A (en) * 1967-04-15 1969-11-25 Buren Watch Co Sa Drive spring arrangement for watch movement using two barrels
CH510283A (de) * 1966-04-30 1971-03-31 Citizen Watch Co Ltd Uhrenzugfeder
US4363553A (en) * 1974-08-22 1982-12-14 Compagnie Des Montres Longines Francillon S.A. Watch mechanism incorporating two barrels
EP0620509A1 (fr) * 1993-04-16 1994-10-19 H.D.G. Sarl Module additionnel pour mouvement d'horlogerie
EP0806712A2 (fr) * 1996-05-09 1997-11-12 Fortis AG Mouvement d'horlogerie mécanique avec chronomètre incorporé (mouvement de chronographe)
WO2002031602A1 (fr) * 2000-10-10 2002-04-18 Watch-U-License Ag Pendule integre

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH510283A (de) * 1966-04-30 1971-03-31 Citizen Watch Co Ltd Uhrenzugfeder
US3479813A (en) * 1967-04-15 1969-11-25 Buren Watch Co Sa Drive spring arrangement for watch movement using two barrels
US4363553A (en) * 1974-08-22 1982-12-14 Compagnie Des Montres Longines Francillon S.A. Watch mechanism incorporating two barrels
EP0620509A1 (fr) * 1993-04-16 1994-10-19 H.D.G. Sarl Module additionnel pour mouvement d'horlogerie
EP0806712A2 (fr) * 1996-05-09 1997-11-12 Fortis AG Mouvement d'horlogerie mécanique avec chronomètre incorporé (mouvement de chronographe)
WO2002031602A1 (fr) * 2000-10-10 2002-04-18 Watch-U-License Ag Pendule integre

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1582943A1 (fr) * 2004-04-01 2005-10-05 Cartier International B.V. Mouvement de montre comportant plusieurs barillets
WO2005096104A1 (fr) * 2004-04-01 2005-10-13 Cartier International B.V Mouvement de montre comportant plusieurs barillets
US7452123B2 (en) 2004-04-01 2008-11-18 Richemont International S.A. Watch movement comprising several barrels
WO2019207490A1 (fr) * 2018-04-26 2019-10-31 Patek Philippe Sa Geneve Barillet d'horlogerie et procede de modification de mouvement horloger

Also Published As

Publication number Publication date
AU2002313153A1 (en) 2003-01-08
WO2003001304A3 (fr) 2003-04-10

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