EP3824351A1 - Escapement system and measuring device comprising said escapement system - Google Patents
Escapement system and measuring device comprising said escapement systemInfo
- Publication number
- EP3824351A1 EP3824351A1 EP19724433.8A EP19724433A EP3824351A1 EP 3824351 A1 EP3824351 A1 EP 3824351A1 EP 19724433 A EP19724433 A EP 19724433A EP 3824351 A1 EP3824351 A1 EP 3824351A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- escapement
- wheel
- pulse
- tooth
- measuring device
- 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
Links
- 230000005764 inhibitory process Effects 0.000 claims description 28
- 206010038743 Restlessness Diseases 0.000 claims description 18
- 230000000284 resting effect Effects 0.000 claims description 17
- 230000036316 preload Effects 0.000 abstract description 9
- 208000001431 Psychomotor Agitation Diseases 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
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
- G04B15/00—Escapements
- G04B15/10—Escapements with constant impulses for the regulating mechanism
-
- 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
- G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
-
- 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
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/26—Compensation of mechanisms for stabilising frequency for the effect of variations of the impulses
Definitions
- the present invention relates to an inhibition system which, for example, in a measuring device, such as a watch that can be used.
- the escapement system comprises a drive axle and at least one inhibition wheel, which has at least one pulse tooth.
- the at least one pulse tooth is connected to the drive axis via at least one spring element and has an initial position in which it is fixed in such a way that the spring element has a pretensioning moment.
- the present invention is based on a different task. So it was the object of the present invention to provide an inhibition system with constant pulse energy and high efficiency.
- an escapement system which comprises a drive axle and at least one escapement wheel, the at least one escapement wheel having at least one impulse tooth.
- the at least one pulse tooth is connected to the drive axle via at least one spring element and has an initial position (or preferably takes an initial position) in which it is fixed in such a way that the spring element has a pretensioning torque.
- the impulse tooth or impulse teeth of the escapement wheel each have at least two positions that they can assume.
- One of these positions is the starting position in which the pulse tooth has a low energy level and in which the pulse tooth is located as long as it is not raised to its high energy level, is held there or is in the phase of energy transmission.
- Another position is, for example, the clamping position in which the pulse tooth has its high energy level and into which the impulse tooth is brought during the rotation of the escapement wheel (Da) before it returns to the starting position after its energy has been released.
- the starting position can also be referred to as the position in which the impulse tooth or the spring element has the lowest tension during a cycle of the escapement wheel.
- the clamping position can in turn also be referred to as the position in which the impulse tooth or the spring element has the highest tension in one cycle of the escapement wheel.
- the voltage of the pulse tooth or the Fe derelements is thus basically lower in the starting position than in the clamping position.
- the present invention is characterized in that the pulse tooth has a preload torque (> 0 Nm) while it is in the starting position.
- the pulse tooth is already biased in its starting position with a moment.
- the present invention differs significantly from the devices described in US 2717488 and CH 708 043.
- Resilient impulse teeth are also proposed there. In US 2717488, however, these are used to reduce the inhibition noise.
- a pre-tensioning of the resilient pulse teeth in the starting position is not disclosed in US 2717488.
- the CH 708 043 takes up a similar technical solution, but intends to represent a force-constant escapement, the impulse teeth in their starting position or rest position have no pre-tension and the escapement wheel has no separate idler teeth.
- the escapement system has an energy storage integrated in the escapement wheel, which can pass the impulse directly or indirectly (e.g. via an anchor) to an unrest.
- This energy storage is integrated in each individual pulse tooth or in each group of impulse teeth of the inhibition wheel.
- the inertia of the impulsive elements is a major challenge. It largely determines the size the escapement wheels and the frequency of restlessness. With vibrations with 2.5 Hz upwards typically more than 60% (mostly more than 70%) of the energy is used for the acceleration of the impulsive elements.
- the inertia of the pulse-generating element is minimized by the present invention, as a result of which less energy is used to accelerate the elements in the pulse-giving element. This can significantly increase the efficiency of the escapement system.
- M L the preload torque in the Starting position or the low moment
- M H the moment in the clamping position or the high moment
- El the kinetic energy of the escapement parts moved during the impulse at the end of the impulse
- M A indicates the torque of the escapement wheel.
- Minimal inertia and the highest possible preload torque M L of the pulse tooth or the pulse teeth in the starting position thus make a significant contribution to the high efficiency of the escapement system according to the invention, whereas a maximum of 50% of the available energy can be used without prestressing in the starting position.
- a preferred embodiment of the present invention is characterized in that the escapement system has at least one resting element, which has at least one clamping surface, which at one Rotation of the escapement wheel transfers the pulse tooth from the starting position to a clamping position.
- the resting moment preferably has two clamping surfaces.
- the impulse tooth can be pressed against the at least one clamping surface by rotating the inhibition wheel with a torque which is greater than the pretensioning moment of the at least one spring element in the starting position of the at least one impulse tooth, so that it is pressed out the starting position is moved into the clamping position and the preload torque of the at least one spring element increases.
- the at least one resting element is preferably designed as an anchor, as a rest lever or as part of an unrest.
- the at least one pulse tooth assumes an initial position in which it is fixed in such a way that the spring element has a prestressing moment.
- the at least one pulse tooth has an initial position in which it is fixed in such a way that the spring element has a pretensioning torque and assumes this initial position.
- the pulse tooth it is still possible for the pulse tooth to move from the starting position to another position, e.g. the clamping position is moved.
- the at least one impulse tooth or the impulse teeth has a (pre-stressing) moment> 0 in every position that it can assume or can assume.
- the escapement wheel has a plurality of pulse teeth. It is preferred that each of the pulse teeth is connected to the drive axle via a spring element. Alternatively, it is also possible for one, several or all of the pulse teeth to be connected to the drive axle via one or more spring elements. It is further preferred that each of the pulse teeth is formed in one piece with the respective spring element via which it is connected to the drive axle.
- the at least one escapement wheel has at least one stop which fixes the pulse tooth in its starting position. For example, the at least one impulse tooth can be pressed against the stop so as to be fixed in its pretensioned starting position.
- the at least one escapement wheel has as many impacts as impulse teeth.
- the stops are arranged on the rest wheel.
- Another preferred embodiment of the inhibition system according to the invention is characterized in that the inhibition system has one or more resting teeth.
- the resting teeth are preferably arranged on the escapement wheel, particularly preferably on the rest wheel.
- At least one escapement wheel (or the at least one escapement wheel) is designed in two parts and comprises, as the first part, a pulse wheel, which has the at least one pulse tooth, and as the second part, a rest wheel, the pulse wheel and the Resting wheel are fixed against each other in a fixed position, and preferably the running of the drive train on the rest wheel is controllable.
- the escapement system comprises several escapement wheels, all escapement wheels or only a part of the escapement wheels can, for example, be made in two parts.
- At least one escapement wheel (or the at least one escapement wheel) is made in one piece and in two planes, one of the two planes having the at least one impulse tooth, and wherein preferably the running of the drive train on the idle wheel can be controlled or ge is controlled. If the escapement system comprises several escapement wheels, all escapement wheels or only a part of the escapement wheels can, for example, be made in one piece and in two planes.
- the inhibition system according to the invention has an efficiency of more than 30%, preferably more than 35%. has.
- the present invention also relates to a measuring device which comprises the inhibition system according to the invention.
- the measuring device comprises a gear regulator.
- the measuring device according to the invention is preferably a time measuring device, in particular a clock.
- the impulse is transmitted from the escapement wheel to the restlessness via an intermediate element.
- An element which has an impulse surface and a clamping surface and a rest surface
- Two elements are used, one has the impulse surface and the clamping surface, the other the resting surface.
- the impulse is transmitted directly from the escapement wheel to the restlessness, which thus has the impulse area.
- the impulse is transmitted directly from the escapement wheel to the restlessness, which thus has the impulse area.
- the clamping surface and resting surface are also components of the restlessness b.)
- the clamping surface and resting surface lie on a separate element, which is permanently in contact with the unrest
- Tension surface is part of the unrest, the rest surface is on a separate element that is permanently in contact with the unrest
- the escapement system comprises a drive axle 11 and an escapement wheel, which has a plurality of pulse teeth 1, 8, the pulse teeth 1, 8 being connected to the drive axle 11 via spring elements.
- each of the pulse teeth 1, 8 is connected to the drive shaft 11 via a spring element.
- the pulse teeth have a starting position that they can assume, as can be seen on the pulse tooth 8, for example. In this initial position, the pulse tooth is fixed in such a way that the spring element, via which the rest tooth is connected to the drive axis, has a preload torque.
- the pulse teeth can also assume a clamping position, as can be seen, for example, on the pulse tooth 1.
- the escapement wheel shown in Fig. 1 is made in two parts. It comprises as a first part a pulse wheel, which has pulse teeth 1, 8, and as a second part, a rest wheel, which has rest teeth 3, 9.
- a pulse wheel which has pulse teeth 1, 8
- a rest wheel which has rest teeth 3, 9.
- both parts are shown before assembling the escapement wheel.
- the spring elements connected to the pulse teeth are in a relaxed state.
- Fig. 2b (as in Fig. 1), the two parts are shown after assembly and twisting of the scars to each other.
- the impulse wheel and the rest wheel are fixed against each other in a fixed position. To- the impulse teeth are pressed against stops 12, 13 located on the rest wheel, so that the impulse teeth are fixed in the starting position in which they have a pretensioning moment.
- the escapement wheel shown in FIG. 1 has a rest element 5, which is designed as an anchor.
- the rest element 5 has two clamping surfaces 2, 7 which, when the escapement wheel rotates, transfer the pulse teeth 1, 8 from the starting position into the clamping position.
- the respective pulse tooth 1 by rotating the escapement wheel with a torque which is greater than the biasing torque of the spring element in the starting position of the pulse tooth 1, pressed against the clamping surface 2 so that it is moved from the starting position into the clamping position and the biasing moment of the spring element increases, as is shown in FIG. 1 using the example of the pulse tooth 1.
- the pulse tooth 1 is tensioned by the clamping surface 2 on the outgoing anchor side to a higher moment M H.
- the drive axle 11 of the escapement wheel is locked by the contact between the resting tooth 3 and the resting surface 4. This supports the difference between the drive torque M A and the preload torque M H.
- the impulse tooth 1 is first released as soon as it no longer rests on the clamping surface 2. After the impulse tooth 1 has been released, it hits the lifting surface 6 and drives the armature 5, as is shown in FIGS. 4a and 4b.
- the pulse tooth 1 relaxes from its high bias level M H to its low level M L.
- the clamping surface 7 has been moved in front of the pulse tooth 8 by the armature movement.
- the rest area 4 now releases the escapement wheel for re-tensioning by releasing the rest tooth 3.
- the drive axis 11 moves until the resting tooth 9 meets the resting surface 10, as is shown in FIGS. 5a and 5b.
- the pulse tooth 8 is now biased by the clamping surface 7 on the input side te anchor side from the moment level M L to M H.
- the pulse tooth 8 is released as soon as it no longer rests on the clamping surface 7. After the impulse tooth 8 has been released, it meets the lifting surface on the input side of the armature and drives the armature 5, as is shown in FIGS. 6a and 6b.
- the pulse tooth 8 relaxes from its high pre-tensioning level M H to its low level M L.
- the resting surface 10 now releases the resting tooth 9 of the rest wheel, which triggers the pretensioning of the next pulse tooth.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018212113.3A DE102018212113A1 (en) | 2018-07-20 | 2018-07-20 | Inhibitor system and the inhibitor system comprehensive measuring device |
PCT/EP2019/062205 WO2020015889A1 (en) | 2018-07-20 | 2019-05-13 | Escapement system and measuring device comprising said escapement system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3824351A1 true EP3824351A1 (en) | 2021-05-26 |
EP3824351B1 EP3824351B1 (en) | 2022-11-30 |
Family
ID=66554384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19724433.8A Active EP3824351B1 (en) | 2018-07-20 | 2019-05-13 | Escapement system and measuring device comprising said escapement system |
Country Status (5)
Country | Link |
---|---|
US (1) | US12032334B2 (en) |
EP (1) | EP3824351B1 (en) |
JP (1) | JP7441835B2 (en) |
DE (1) | DE102018212113A1 (en) |
WO (1) | WO2020015889A1 (en) |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1867947A (en) * | 1930-01-10 | 1932-07-19 | Hasler Ag | Escapement wheel for anchor escapements |
FR1009853A (en) * | 1948-07-02 | 1952-06-04 | Sophisticated exhaust mechanism | |
GB708043A (en) | 1951-10-06 | 1954-04-28 | Standard Oil Dev Co | Improvements in or relating to the reduction of acidity in synthetic ester lubricants |
US2717488A (en) | 1952-01-07 | 1955-09-13 | Gen Horlogere | Noiseless anchor-escapement, particularly for clock-works |
CH350611A (en) * | 1959-07-28 | 1960-11-30 | Uhrenfabrik Langendorf | Clock with electromagnetic drive |
GB969473A (en) * | 1959-11-27 | 1964-09-09 | Davall & Sons Ltd | Improvements in or relating to clockwork escapement mechanisms |
US4211401A (en) * | 1978-11-13 | 1980-07-08 | Hedstrom Co. | Swing having electrically rewound spring motor drive |
GB8608270D0 (en) * | 1986-04-04 | 1986-05-08 | Jones S | Ground-engaging wheels for vehicles |
JP2777377B2 (en) * | 1988-10-12 | 1998-07-16 | タカタ株式会社 | Seat belt retractor with tension reduce mechanism |
TWI461865B (en) * | 2006-06-23 | 2014-11-21 | Omega Sa | "sprung balance regulating system for a mechanical timepiece movement and timepiece having such a system |
JP4849998B2 (en) * | 2006-08-29 | 2012-01-11 | セイコーインスツル株式会社 | Mechanical watch escapement |
US20110174914A1 (en) * | 2010-01-20 | 2011-07-21 | Gimmal Co., Ltd. | Connector device to prevent person from falling |
EP2455821B2 (en) * | 2010-11-18 | 2018-11-14 | Nivarox-FAR S.A. | Power transmission gear wheel |
CH705300B1 (en) * | 2011-07-21 | 2014-03-14 | Manuf Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle S A | Wheel exhaust. |
DE102012214415B4 (en) * | 2012-08-14 | 2021-08-19 | Continental Teves Ag & Co. Ohg | Arrangement with a gear wheel and a ratchet wheel as well as electromechanical parking or parking brake |
CH708043B1 (en) | 2013-05-08 | 2018-02-15 | Mft Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle S A | Exhaust wheel. |
CH710845B1 (en) * | 2015-03-13 | 2018-11-30 | Schlumpf Innovations Gmbh | Anchor escapement for mechanical movement. |
EP3070537A1 (en) * | 2015-03-18 | 2016-09-21 | L. Leroy S.A. | Time base comprising an escapement with direct pulse and constant force |
EP3121661B1 (en) * | 2015-07-21 | 2018-05-23 | Cartier International AG | Constant-force direct escapement mechanism |
EP3293583A1 (en) * | 2016-09-07 | 2018-03-14 | Dominique Renaud SA | Escapement mechanism |
CH713616B1 (en) * | 2017-03-23 | 2020-11-13 | Schlumpf Innovations Gmbh | Lever escapement for a mechanical clockwork. |
JP7006065B2 (en) * | 2017-09-14 | 2022-01-24 | セイコーエプソン株式会社 | Watch parts, watch movements and watches |
-
2018
- 2018-07-20 DE DE102018212113.3A patent/DE102018212113A1/en active Pending
-
2019
- 2019-05-13 US US17/250,430 patent/US12032334B2/en active Active
- 2019-05-13 EP EP19724433.8A patent/EP3824351B1/en active Active
- 2019-05-13 JP JP2021525364A patent/JP7441835B2/en active Active
- 2019-05-13 WO PCT/EP2019/062205 patent/WO2020015889A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
JP7441835B2 (en) | 2024-03-01 |
JP2021531479A (en) | 2021-11-18 |
WO2020015889A1 (en) | 2020-01-23 |
US12032334B2 (en) | 2024-07-09 |
DE102018212113A1 (en) | 2020-01-23 |
EP3824351B1 (en) | 2022-11-30 |
US20210286320A1 (en) | 2021-09-16 |
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