EP2703910A2 - Gepaarter Spiralunruh-Schwinger - Google Patents

Gepaarter Spiralunruh-Schwinger Download PDF

Info

Publication number: EP2703910A2
Authority: EP; European Patent Office
Prior art keywords: balance; axis; spiral; resonator; ppm
Prior art date: 2012-09-04
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

EP13179958.7A

Other languages

English (en)

French (fr)

Other versions

EP2703910B1 (de

EP2703910A3 (de

Inventor

Thierry Hessler

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.)

2012-09-04

Filing date

2013-08-09

Publication date

2014-03-05

2013-08-09 Application filed by Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA

2013-08-09 Priority to EP13179958.7A priority Critical patent/EP2703910B1/de

2014-03-05 Publication of EP2703910A2 publication Critical patent/EP2703910A2/de

2014-05-14 Publication of EP2703910A3 publication Critical patent/EP2703910A3/de

2019-05-08 Application granted granted Critical

2019-05-08 Publication of EP2703910B1 publication Critical patent/EP2703910B1/de

Status Active legal-status Critical Current

2033-08-09 Anticipated expiration legal-status Critical

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Classifications

- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
- 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
- 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
- G04B17/04—Oscillators acting by spring tension
- G04B17/06—Oscillators with hairsprings, e.g. balance
- G04B17/063—Balance construction
- 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
- G04B17/04—Oscillators acting by spring tension
- G04B17/06—Oscillators with hairsprings, e.g. balance
- G04B17/066—Manufacture of the spiral spring
- 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
- G04B17/22—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature

Definitions

the invention relates to a paired balance spring - spiral resonator and more specifically a spiral formed from monocrystalline quartz.
the document EP 1 519 250 describes the manufacture of a monocrystalline quartz spiral. However, a spiral quartz monocrystalline is not easy to match in practice.
the object of the present invention is to overcome all or part of the disadvantages mentioned above by proposing an improved pairing of a quartz spiral with its balance.
the invention relates to a resonator comprising a spiral formed in a monocrystalline quartz crystal of x, y, z crystallographic axes, the x axis being the electric axis and the y axis the axis. mechanical, and cooperating with a balance characterized in that the coefficient of expansion of the balance is between +6 ppm. ° C -1 and +9.9 ppm. ° C -1 for a cutting angle of the spiral with respect to the z axis of said monocrystalline quartz crystal between -5 ° and + 5 ° so that the resonator is less sensitive to temperature variations.
the invention relates to a resonator 1 of the balance 3-spiral type 5.
the balance 3 and the spiral 5 are preferably mounted on the same axis 7.
the thermal dependence also includes a possible contribution of the maintenance system such as, for example, a Swiss lever escapement (not shown) cooperating with the ankle 9 of the plate 11 also mounted on the axis 7.
a Swiss lever escapement (not shown) cooperating with the ankle 9 of the plate 11 also mounted on the axis 7.
the invention more particularly relates to a resonator 1 in which the hairspring 5 is formed from a quartz monocrystal of crystallographic axes x, y, z, the x axis being the electric axis and the y axis. the mechanical axis.
the height h of the turns has substantially the same orientation as the crystallographic axis z. More precisely, the height h forms, with the axis z, an angle ⁇ which can be positive or negative. Changing this angle ⁇ allows to vary the characteristics of the spiral 5 without having to change the geometry.
a coefficient of expansion ⁇ b of the balance 3 should be substantially equal to +9 ppm. ° C -1 to obtain a thermal coefficient substantially equal to +0.06 sj -1 . ° C -1 which is much below the COSC conditions equal to ⁇ 0.6 sj -1 . ° C -1 .
the coefficient of expansion ⁇ b of the balance 3 is between +6 ppm. ° C -1 and +9.9 ppm. ° C -1 .
the balance 3 may notably comprise titanium and / or durimphy (symbol AFNOR: Z2NKD 18-09-05) and / or platinum.
the expansion coefficients ⁇ b of titanium and platinum are substantially equal to respectively +9 ppm. ° C -1 and that durimphy substantially equal to +9.9 ppm. ° C -1 .
durimphy may be slightly sensitive to magnetic fields depending on its temperature of return.

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Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Micromachines (AREA)

EP13179958.7A 2012-09-04 2013-08-09 Gepaarter Unruh-Spiralfeder-Resonator Active EP2703910B1 (de)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP13179958.7A EP2703910B1 (de)	2012-09-04	2013-08-09	Gepaarter Unruh-Spiralfeder-Resonator

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP12182973.3A EP2703909A1 (de)	2012-09-04	2012-09-04	Gepaarter Spiralunruh-Schwinger
EP13179958.7A EP2703910B1 (de)	2012-09-04	2013-08-09	Gepaarter Unruh-Spiralfeder-Resonator

Publications (3)

Publication Number	Publication Date
EP2703910A2 true EP2703910A2 (de)	2014-03-05
EP2703910A3 EP2703910A3 (de)	2014-05-14
EP2703910B1 EP2703910B1 (de)	2019-05-08

Family

ID=46758665

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP12182973.3A Withdrawn EP2703909A1 (de)	2012-09-04	2012-09-04	Gepaarter Spiralunruh-Schwinger
EP13179958.7A Active EP2703910B1 (de)	2012-09-04	2013-08-09	Gepaarter Unruh-Spiralfeder-Resonator

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
EP12182973.3A Withdrawn EP2703909A1 (de)	2012-09-04	2012-09-04	Gepaarter Spiralunruh-Schwinger

Country Status (5)

Country	Link
US (1)	US9030920B2 (de)
EP (2)	EP2703909A1 (de)
JP (1)	JP6328392B2 (de)
CN (1)	CN103676600B (de)
RU (1)	RU2643195C2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR3032810B1 (fr) *	2015-02-13	2017-02-24	Tronic's Microsystems	Oscillateur mecanique et procede de realisation associe
EP3502786A1 (de)	2017-12-22	2019-06-26	The Swatch Group Research and Development Ltd	Unruh für uhr, und herstellungsverfahren einer solchen unruh
EP3796102B1 (de) *	2017-12-22	2022-04-20	The Swatch Group Research and Development Ltd	Verfahren zur herstellung einer unruh für uhren
EP4557020A1 (de) *	2023-11-20	2025-05-21	Nivarox-FAR S.A.	Verfahren zur herstellung eines spiralunruh-oszillators für spiraux mit hoher drehmomentvariation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1519250A1 (de)	2003-09-26	2005-03-30	Asulab S.A.	Spiralfeder-Unruh-Resonator mit Thermokompensation

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1475005A (fr) *	1966-02-18	1967-03-31		Procédé de fabrication de fils métalliques et fils métalliques obtenus selon ce procédé
DE69710445T2 (de) *	1997-06-20	2002-10-10	Manufacture Des Montres Rolex S.A., Biel/Bienne	Selbstkompensierende Spiralfeder für mechanische Uhrwerkunruhspiralfederoszillator und Verfahren zu deren Herstellung
FR2842313B1 (fr) *	2002-07-12	2004-10-22	Gideon Levingston	Oscilliateur mecanique (systeme balancier et ressort spiral) en materiaux permettant d'atteindre un niveau superieur de precision, applique a un mouvement d'horlogerie ou autre instrument de precision
ATE396430T1 (de) *	2004-02-05	2008-06-15	Montres Breguet Sa	Unruh für uhrwerk
EP1596260A1 (de) *	2004-05-11	2005-11-16	Watch-U-License AG	Herstellungsverfahren zu einem Zahnrad
DE602004027471D1 (de)	2004-06-08	2010-07-15	Suisse Electronique Microtech	Unruh-Spiralfeder-Oszillator mit Temperaturkompensation
ATE433137T1 (de) *	2006-03-24	2009-06-15	Nivarox Sa	Unruh für uhrwerk
US8100579B2 (en) *	2006-09-08	2012-01-24	Gideon Levingston	Thermally compensating balance wheel
CN101589347A (zh) *	2006-12-21	2009-11-25	康普利计时股份有限公司	用于钟表的机械振荡器
US8240910B2 (en)	2006-12-21	2012-08-14	Complitime S.A.	Mechanical oscillator for timepiece
DE602007013123D1 (de) *	2007-11-28	2011-04-21	Manuf Et Fabrique De Montres Et De Chronometres Ulysse Nardin Le Locle S A	Mechanischer oszillator mit einem optimierten thermoelastischen koeffizienten
EP2395661A1 (de)	2010-06-10	2011-12-14	The Swatch Group Research and Development Ltd.	Temperaturkompensierter Resonator mit reduzierten Temperaturkoeffizienten erster und zweiter Ordnung

2012
- 2012-09-04 EP EP12182973.3A patent/EP2703909A1/de not_active Withdrawn
2013
- 2013-08-09 EP EP13179958.7A patent/EP2703910B1/de active Active
- 2013-08-28 US US14/011,892 patent/US9030920B2/en active Active
- 2013-09-03 RU RU2013140777A patent/RU2643195C2/ru not_active IP Right Cessation
- 2013-09-04 CN CN201310397316.4A patent/CN103676600B/zh active Active
- 2013-09-04 JP JP2013182787A patent/JP6328392B2/ja active Active

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1519250A1 (de)	2003-09-26	2005-03-30	Asulab S.A.	Spiralfeder-Unruh-Resonator mit Thermokompensation

Also Published As

Publication number	Publication date
RU2013140777A (ru)	2015-03-10
JP2014052374A (ja)	2014-03-20
EP2703909A1 (de)	2014-03-05
US9030920B2 (en)	2015-05-12
EP2703910B1 (de)	2019-05-08
JP6328392B2 (ja)	2018-05-23
US20140064044A1 (en)	2014-03-06
CN103676600B (zh)	2016-09-07
EP2703910A3 (de)	2014-05-14
RU2643195C2 (ru)	2018-01-31
CN103676600A (zh)	2014-03-26

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