EP2044490A2 - Elektromechanische hemmungseinrichtung und diese einrichtung benutzender uhrenteil - Google Patents

Elektromechanische hemmungseinrichtung und diese einrichtung benutzender uhrenteil

Info

Publication number: EP2044490A2
Authority: EP; European Patent Office
Prior art keywords: mechanical; exhaust device; electromechanical; coil; rotor
Prior art date: 2006-07-26
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

EP07720227A

Other languages

English (en)

French (fr)

Other versions

EP2044490B1 (de

Inventor

Xuan Mai Tu

Michel Schwab

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.)

ISA France SA

Original Assignee

Detra 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.)

2006-07-26

Filing date

2007-07-18

Publication date

2009-04-08

2007-07-18 Application filed by Detra SA filed Critical Detra SA

2009-04-08 Publication of EP2044490A2 publication Critical patent/EP2044490A2/de

2011-04-27 Application granted granted Critical

2011-04-27 Publication of EP2044490B1 publication Critical patent/EP2044490B1/de

Status Not-in-force legal-status Critical Current

2027-07-18 Anticipated expiration legal-status Critical

Links

Classifications

- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C5/00—Electric or magnetic means for converting oscillatory to rotary motion in time-pieces, i.e. electric or magnetic escapements
- G04C5/005—Magnetic or electromagnetic means

Definitions

Electromechanical exhaust device and timepiece using such a device Electromechanical exhaust device and timepiece using such a device.
the present invention relates to an electromechanical exhaust device and a timepiece using such a device.
the exhaust device serves on the one hand to maintain the oscillatory movement of the mechanical oscillator comprising the balance and the hairspring and on the other hand to transmit the frequency of this oscillator to the gear train causing the time display.
the traditional mechanical exhaust devices transmit the frequency of the mechanical oscillator directly to the gear train causing the time display.
the frequency of the mechanical oscillator generally between 2 and 4 Hz, is unfortunately not very precise and in addition very dependent on the position of the watch. The accuracy of a mechanical watch is therefore lower than that of an electronic quartz watch.
An object of the present invention is to provide an electromechanical exhaust device for significantly improving the accuracy of a mechanical watch.
Another object of the invention is to propose a mechanoelectronic timepiece equipped with such an exhaust device.
FIG. 1 represents a schematic diagram of a traditional mechanical watch
FIG. 2 represents a schematic diagram of a mechanoelectronic watch using an electromechanical exhaust device according to the invention
FIG. 3 represents an embodiment of an electromechanical escapement according to the invention
FIG. 4 shows details of an escape wheel
FIG. 5 represents details of the mobiles rotating around center 02 of FIG. 3,
FIG. 6 represents details of the mobiles rotating around the center 03 of FIG. 3,
FIG. 7 represents details of the mobiles rotating around the center 04 of FIG. 3 as well as a mechanical converter
FIG. 8 illustrates the blocking position
FIG. 9 illustrates the mechanical release phase
FIG. 10 illustrates the energy transmission phase
FIG. 11 illustrates the repositioning phase
FIG. 12 illustrates the phase of electromagnetic release
Figure 13 illustrates a block diagram of an associated electronic device.
FIG. 1 represents a block diagram of a traditional mechanical watch in which the mechanical energy coming from a manual or automatic winding device is stored in a mainspring 1 to be distributed through a set of wheels 2 to a exhaust device 3 and a display 4.
the exhaust device 3 serves on the one hand to maintain the movement of the mechanical oscillator 5 comprising a balance and a hairspring and on the other hand to transmit the frequency of this oscillator to the gear 2 causing the time display 4.
the frequency of a mechanical oscillator generally between 2 and 4 Hz, is unfortunately not very precise and, moreover, very dependent on the position of the watch. The accuracy of a traditional mechanical watch is therefore lower than that of an electronic quartz watch.
FIG. 2 represents a schematic diagram of a mechanoelectronic watch using an electromechanical exhaust device according to the invention.
the stored mechanical energy "in a barrel spring 6 is dispensed through a set of wheels 7 to an electromechanical escapement device 9 and a display 8.
the electromechanical escapement device 9 according to the invention has multiple functions :
the first is to maintain the oscillation movement of the mechanical oscillator 11
the second is to transmit the frequency of the oscillator 11 to the wheel 7 causing the time display 8
the third is to transform a portion of the mechanical energy received into electrical energy to power the electronic device 10 which has a quartz time base
the last function of the electromechanical exhaust device 9 is to advance the train 7 when it receives electric correction pulses from the electronic device 10.
the gear 7 linked to the display 3 and the electromechanical exhaust device 9 advance by a fixed angle and transmit, through an electromechanical converter described below. of the device 9, the electrical energy and the oscillation period of the mechanical oscillator 11 to the electronic device 10.
This electronic device 10 has an electric energy accumulator and a quartz time base taken as reference time base ; he compares the periods of mechanical oscillation with a reference period. When the sum of the differences between these periods exceeds a certain limit, the electronic device 10 sends electrical correction pulses through an electromechanical converter to advance the electromechanical exhaust device 9 as well as the gear 7 and the display 8.
the electromechanical escapement 9 advances at each period of the mechanical oscillator 11 and also, so independent of the mechanical oscillator 11, when it receives pulses coming from the electronic circuit 10.
the timepiece To obtain a good operation of the timepiece according to FIG. 2, it is sufficient to adjust the period of the mechanical oscillator 11 slightly greater than that of the reference time base of the quartz timebase.
the electronic circuit 10 measures the difference between these periods and sends a set of correction pulses to catch up. In practice setting the period of a mechanical oscillator with an accuracy of one per thousand is easily achievable.
FIG. 3 represents an embodiment of an electromechanical exhaust device according to the invention. This device comprises several mobiles rotating around 4 centers 01, 02, 03 and 04.
the escape wheel 12 shown in detail in FIG. 4, rotates about the center 01 and is provided with pins 121.
the number of pins is equal to 8, but the choice of another number of pins is also possible.
FIG. 7 shows the details of these mobiles as well as the electromechanical converter 18 having, in addition to the rotor 182, a stator 181 of soft magnetic material provided with the cells 184, and a coil 183.
the electromechanical converter 18 has several distinct functions:
the rotor 182 has two stable equilibrium positions aligned on the axis S1-S2 in the absence of current in the coil 183,
Figure 9 illustrates the mechanical release phase.
the pin 152 of the plate 15 rotating in the direction of the arrow F3, actuates the release means 16 and, through the wheels 17 and 13, releases the pin 121 of the locking means 14.
the wheel exhaust 12 can
Figure 10 illustrates this phase of energy transmission. After the mechanical release phase, the escape wheel 12 rotates in the direction of the arrow F2, one of the pins 121 of this wheel operating the pulse lever 151 of the plate 15 to provide the energy
Electromagnetic release phase this phase is illustrated in FIG. 12.
One of the peculiarities of the electromechanical exhaust device according to the invention is that it is able to release the escape wheel 12 from the locking position, so as to independent of the frequency of the mechanical oscillator 11.
To do this simply send a set of electrical pulses to the coil 183 of the electromechanical converter 18.
the interaction between the magnetic field created by the current in the coil 183 and the magnetic field of the rotor magnet 182 generates an electromagnetic torque in the direction of the arrow F5, greater than the positioning torque, which actuates the locking means 14 in the opposite direction through the wheels 13 and 17.
the electromagnetic release phase is generally performed outside the phases of mechanical release, energy transmission and repositioning. During this phase, the angular velocity of the mechanical oscillator 11 is practically zero. In this phase of electromagnetic release, the escape wheel 12 transmits no energy to the mechanical oscillator 11.
FIG. 13 represents the block diagram of the electronic device 10 of FIG. 2. This device comprises:
the electrical signal from the coil 183 during the energy transmission phase is sent to the charging means 100, which stores the energy in a capacitor or other energy accumulator 101. This signal is also sent to the setting means. 102, which transmit the information to the means 103 for measuring the period of the mechanical oscillator 11, based on a reference time base from a crystal oscillator 104.
the means 105 calculate the sum of the errors of the mechanical period and send a set of electrical pulse correction coil 183 when this sum exceeds a certain limit.
a timepiece equipped with an electromechanical exhaust device as described above has its operating accuracy significantly improved since it depends on the accuracy of the quartz oscillator.

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
General Physics & Mathematics (AREA)
Electromechanical Clocks (AREA)
General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Control Of Stepping Motors (AREA)
Telephone Function (AREA)
Measurement Of Unknown Time Intervals (AREA)
Electric Clocks (AREA)
Reciprocating, Oscillating Or Vibrating Motors (AREA)

EP07720227A 2006-07-26 2007-07-18 Elektromechanische hemmungseinrichtung und diese einrichtung benutzender uhrenteil Not-in-force EP2044490B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CH01217/06A CH697273B1 (fr)	2006-07-26	2006-07-26	Dispositif d'échappement électromécanique et pièce d'horlogerie munie d'un tel dispositif
PCT/CH2007/000346 WO2008011738A2 (fr)	2006-07-26	2007-07-18	Dispositif d'echappement electromecanique et piece d'horlogerie utilisant un tel dispositif

Publications (2)

Publication Number	Publication Date
EP2044490A2 true EP2044490A2 (de)	2009-04-08
EP2044490B1 EP2044490B1 (de)	2011-04-27

Family

ID=38895911

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07720227A Not-in-force EP2044490B1 (de)	2006-07-26	2007-07-18	Elektromechanische hemmungseinrichtung und diese einrichtung benutzender uhrenteil

Country Status (8)

Country	Link
US (1)	US7891862B2 (de)
EP (1)	EP2044490B1 (de)
JP (1)	JP5171821B2 (de)
CN (1)	CN101495923B (de)
AT (1)	ATE507509T1 (de)
CH (1)	CH697273B1 (de)
DE (1)	DE602007014214D1 (de)
WO (1)	WO2008011738A2 (de)

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US8402621B2 (en)	2009-04-29	2013-03-26	Covidien Lp	System and method for forming barbs on a suture
EP2452343A1 (de)	2009-07-10	2012-05-16	General Electric Company	Vorrichtungen und verfahren für elektrochemischen phasentransfer
EP2487547B1 (de) *	2011-02-11	2017-08-09	Montres Breguet SA	Regulator einer Triebfeder eines Uhrwerks oder eines Schlagwerks
CN102540861B (zh) *	2012-02-29	2013-08-07	林祥平	手表
CN102929121A (zh) *	2012-10-30	2013-02-13	林祥平	一种钟表
WO2015096973A2 (fr) *	2013-12-23	2015-07-02	Nivarox-Far S.A.	Mecanisme d'echappement a cylindre d'horlogerie sans contact
CH710307B1 (fr) *	2014-10-27	2022-05-31	Hublot Sa Geneve	Mouvement horloger.
EP3422119B1 (de)	2017-05-29	2021-06-30	The Swatch Group Research and Development Ltd	Universalvorrichtung zur herstellung einer armbanduhr
CN107026534B (zh) *	2017-06-01	2023-06-13	杜曦阳	发电装置
CN107390500A (zh) *	2017-08-21	2017-11-24	广西天睿精工精密电子有限公司	一种由电能转换控制摆轮游丝振荡系统的振荡结构
EP3502796B1 (de) *	2017-12-20	2020-05-20	The Swatch Group Research and Development Ltd	Uhrwerksanordnung, die einen mechanischen oszillator umfasst, der mit einer einstellvorrichtung verbunden ist
EP3502798B1 (de) *	2017-12-20	2020-06-24	The Swatch Group Research and Development Ltd	Uhrwerksanordnung, die einen mechanischen oszillator umfasst, der mit einer einstellvorrichtung verbunden ist
EP3719589B1 (de) *	2018-05-21	2025-01-01	The Swatch Group Research and Development Ltd	Universalvorrichtung zum aufziehen und stellen einer armbanduhr
EP3719588B1 (de) *	2019-04-03	2021-11-03	The Swatch Group Research and Development Ltd	Automatisch regulierbarer oszillator einer uhr
CH716525B1 (fr) *	2019-08-26	2023-02-28	Csem Ct Suisse Delectronique Microtechnique Sa Rech Developpement	Régulateur mécanique horloger auto-démarrant.
JP7700352B1 (ja) *	2024-12-04	2025-06-30	善郎水野	機械式時計の精度向上装置

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CH597636B5 (de) *	1972-11-21	1978-04-14	Ebauches Sa
CH686332B5 (fr) *	1994-04-25	1996-09-13	Asulab Sa	Pièce d'horlogerie mué par une source d'énergie mécanique et régulée par un circuit électronique.
CH687795C1 (fr) *	1994-05-07	2001-05-15	Omega Sa	Piece d'horlogerie mecanique pourvue d'un tourbillon.
CH688879B5 (fr) *	1995-08-10	1998-11-13	Asulab Sa	Pièce d'horlogerie avec indication de la réserve de marche.
FR2748583B1 (fr) *	1996-05-07	1998-06-26	Asulab Sa	Stabilisation d'un circuit electronique de regulation du mouvement mecanique d'une piece d'horlogerie
FR2752070B1 (fr) *	1996-08-01	1998-09-18	Asulab Sa	Piece d'horlogerie electronique comportant une generatrice entrainee par un barillet a ressort
CH690523A5 (fr) *	1996-12-09	2000-09-29	Asulab Sa	Pièce d'horlogerie comportant une génératrice d'énergie électrique.
JP3541601B2 (ja) *	1997-02-07	2004-07-14	セイコーエプソン株式会社	ステッピングモーターの制御装置、その制御方法および計時装置
CH696507A5 (fr) *	1998-02-05	2007-07-13	Asulab Sa	Pièce d'horlogerie électronique comportant une génératrice entraînée par un barillet à ressort.
WO2001035172A1 (en) *	1999-11-11	2001-05-17	Seiko Instruments Inc.	Mechanical timepiece with timed annular balance rotating angle control mechanism including coils
EP1158373A4 (de)	1999-12-24	2005-06-15	Seiko Instr Inc	Mechanische uhr mit einem reglerbetätigungsmechanismus
AU2001235314A1 (en) *	2000-04-11	2001-10-23	Detra S.A.	Escapement device for timepiece component
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ATE363675T1 (de) *	2003-10-01	2007-06-15	Asulab Sa	Uhr mit einem mechanischen uhrwerk, das mit einem elektronischen regulator gekoppelt ist
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2006
- 2006-07-26 CH CH01217/06A patent/CH697273B1/fr not_active IP Right Cessation
2007
- 2007-07-18 WO PCT/CH2007/000346 patent/WO2008011738A2/fr not_active Ceased
- 2007-07-18 CN CN2007800286505A patent/CN101495923B/zh not_active Expired - Fee Related
- 2007-07-18 US US12/374,669 patent/US7891862B2/en not_active Expired - Fee Related
- 2007-07-18 EP EP07720227A patent/EP2044490B1/de not_active Not-in-force
- 2007-07-18 AT AT07720227T patent/ATE507509T1/de not_active IP Right Cessation
- 2007-07-18 DE DE602007014214T patent/DE602007014214D1/de active Active
- 2007-07-18 JP JP2009521083A patent/JP5171821B2/ja not_active Expired - Fee Related

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Title
See references of WO2008011738A2 *

Also Published As

Publication number	Publication date
JP5171821B2 (ja)	2013-03-27
ATE507509T1 (de)	2011-05-15
DE602007014214D1 (de)	2011-06-09
CN101495923B (zh)	2011-05-25
JP2009544945A (ja)	2009-12-17
EP2044490B1 (de)	2011-04-27
WO2008011738A2 (fr)	2008-01-31
US7891862B2 (en)	2011-02-22
CN101495923A (zh)	2009-07-29
CH697273B1 (fr)	2008-07-31
WO2008011738A3 (fr)	2008-04-10
US20090185456A1 (en)	2009-07-23

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