EP0851322A1 - Micro-générateur, module et pièce d'horlogerie, contenant un tel micro-générateur - Google Patents

Micro-générateur, module et pièce d'horlogerie, contenant un tel micro-générateur Download PDF

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Publication number
EP0851322A1
EP0851322A1 EP96810901A EP96810901A EP0851322A1 EP 0851322 A1 EP0851322 A1 EP 0851322A1 EP 96810901 A EP96810901 A EP 96810901A EP 96810901 A EP96810901 A EP 96810901A EP 0851322 A1 EP0851322 A1 EP 0851322A1
Authority
EP
European Patent Office
Prior art keywords
rotor
coils
module
clockwork
microgenerator
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
Application number
EP96810901A
Other languages
German (de)
English (en)
Other versions
EP0851322B1 (fr
Inventor
Konrad Schafroth
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.)
Richemont International SA
Original Assignee
Ronda 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8225782&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0851322(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ronda AG filed Critical Ronda AG
Priority to DE59605259T priority Critical patent/DE59605259D1/de
Priority to EP96810901A priority patent/EP0851322B1/fr
Priority to ES96810901T priority patent/ES2145416T3/es
Priority to SG1997004432A priority patent/SG55432A1/en
Priority to JP36435797A priority patent/JP3172702B2/ja
Priority to US08/995,605 priority patent/US6124649A/en
Priority to KR1019970072095A priority patent/KR100547250B1/ko
Priority to TW086119642A priority patent/TW367646B/zh
Publication of EP0851322A1 publication Critical patent/EP0851322A1/fr
Priority to HK98109360A priority patent/HK1008577A1/xx
Publication of EP0851322B1 publication Critical patent/EP0851322B1/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C10/00—Arrangements of electric power supplies in time pieces
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
    • 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

Definitions

  • the present invention relates to a microgenerator, in particular a micro-generator for a clockwork or for others miniaturized electronic or electromechanical devices.
  • the present invention also relates to an electronic module and a Clockwork containing such a micro generator.
  • Such microgenerators are found particularly in portable ones miniaturized devices application, for example in clocks, hearing aids, Cameras or radio receivers.
  • the patent step CH597636 (Ebauches SA), for example, describes a clockwork whose spring is over a A time display and an AC voltage supply Generator drives.
  • the generator feeds a rectifier, the rectifier feeds a capacitive component, and the capacitive component feeds one electronic reference circuit with a stable crystal oscillator and a electronic control circuit.
  • the electronic control circuit has one Comparator logic circuit and one with the output of the comparator logic circuit connected and through the comparator logic circuit in their Power consumption controllable energy dissipation circuit.
  • the comparator logic circuit is with the electronic reference circuit and another input of the comparator logic circuit is with that Generator connected.
  • the comparator logic circuit is designed so that a clock signal coming from the electronic reference circuit compares a clock signal originating from the generator, depending on the The result of this comparison is the size of the power consumption Energy dissipation circuit controls and in this way via the controller the control circuit power consumption to change the gear of the generator regulates the course of the time display.
  • Such a watch therefore combines that Advantages of a mechanical with the accuracy of a quartz watch.
  • the object of the invention is an improved microgenerator to propose, in particular a micro-generator adapted for watch movements.
  • Another goal is to take up the space requirement of the microgenerator itself reduce it to easily in a miniaturized device, for example in a Clockwork to accommodate.
  • Another goal is an inexpensive, easy to assemble Propose a micro-generator with a simple construction.
  • FIG. 1 shows a side section of one in a clockwork Mounted microgenerator according to the invention, only those for Understanding of the invention necessary elements are shown.
  • the Clockwork does not contain a mechanical energy storage in the form of a illustrated spring.
  • the spring is shown by a Elevator device or preferably by one through the movements of the Arms of the wearer of the watch raised mass vibrated.
  • the Spring drives the via a conventional gear, not shown various hands and indicators of the clock, especially the Second hand, which is mounted on the second axis 70.
  • the second pinion 50 in turn drives via the second idler gear 51 and the pinion 15 the axis 10 of the rotor of the generator.
  • the axis 10 is rotating between two synthetic shock-absorbing bearings 31 and 41 held.
  • the first shock absorbing bearing 31 is with the board 30 of the factory connected while the second shock absorbing bearing 41 as below described is connected to a bridge 40.
  • the rotor consists of an upper disk 11 and a lower one Disc 13, which are firmly connected to the axis 10.
  • the disks 11 and 13 are preferably made of one Sheet with increased saturation (remanence about 2.4 Tesla), which is the Allows the use of a very fine sheet.
  • the lower surface of the upper In this example, disk 11 contains six individual magnets 12, which in regular intervals are arranged near the periphery of the disc.
  • the magnets 12 preferably have a cylindrical shape and are on the Disc 11 glued.
  • Her remanence is in the range of one Tesla and she are arranged with changing polarity from north to south.
  • the top surface the lower disk 13 is in the same way with six individual magnets 14 equipped, which is symmetrical to the six magnets of the upper disc are arranged.
  • the diameter of the rotor was approximately 5 Millimeters, the magnets had a diameter of 1.45 millimeters and a mutual distance of about 0.9 millimeters.
  • the second Intermediate axis 50 in this example, is at least 0.5 millimeters from the edge of the rotor.
  • the choice of an axis made of copper - beryllium allows in addition, the magnetism of axis 50 and thus the position torque to a strict minimum.
  • the stator contains three induction coils 20, 21 and 22 which are between the discs 11 and 13 are mounted.
  • the coils are in series with each other connected and attached to a support that also serves as a support for a serves electronic circuit.
  • the generator is between the board 30 of the Clockwork and a bridge 40 mounted, which allows the entire generator including coils to hide.
  • This construction has the following essential advantages. If the bridge 40 is made of electrically conductive material executed, it forms an electromagnetic with the metallic circuit board 30 Shielding around the microgenerator, which protects it from the outside protects against electromagnetic interference. In that all electronic Components including the coils 20, 21, 22 are hidden under the bridge, they stay with one that has a transparent floor Clock invisible, which is very aesthetic for many people is appreciated.
  • FIG. 2 shows a top view of the module 80 equipped with a microgenerator according to a first variant of the invention.
  • the module 80 consists of a carrier made of synthetic material or Composite.
  • the three coils 20, 21, 22 of the stator of the microgenerator are mounted on the module 80 and fastened, for example, by gluing.
  • module 80 is one for Ultraviolet light permeable material and the coils are made using an ultraviolet light curing adhesive on the module glued what a very quick drying and a durable connection allowed.
  • the thickness of the module is sufficiently fine to Allow ultraviolet light to pass through, but thick enough to allow cutouts for the Coils 20, 21, 22 and for the capacities can be milled.
  • the thickness of the module is preferably approximately one millimeter. It however, other types of glue can be used, for example a two-component adhesive or one in the air or with photosensitive Medium curing resin.
  • the diameter of the coil is 4 Millimeter.
  • the diameter of the wire used for the winding is 16 Micron, attempts have been made to wind a 12 micron wire.
  • One end each of the coil 20 and the coil 22 are on a connection point 801 soldered to the synthetic module 80, or preferably directly bonded.
  • the other end of the coil 22 is connected to one end of the coil 21 Connection point 802 soldered or bonded to module 80.
  • the other The end of the coil 20 or 21 is soldered to a contact point 800 or 803 or bonded.
  • the three coils 20, 21, 22 of the stator are in series between the points 800 and 803 of the electronic module 80 are integrated. By this series connection, the voltages of the individual coils are added.
  • the traces on the printed circuit are in one of the art of printed circuits executed known way
  • An IC 81 is mounted on the module 80.
  • the purpose of this IC is to monitor the speed of rotation of the microgenerator and regulate this speed by the value of a variable Load resistance is changed by the IC with which the Micro generator can be loaded.
  • This circuit contains a voltage triplet, which is replaced by the Voltage generated tripled by the microgenerator.
  • This Voltage tripler preferably works without diode voltage drops. It uses three capacities 82, 83, 84, which are outside of the integrated one Circuit on the module 80 are mounted.
  • the electronics inside the IC's 81 are affected by the voltage on the Output of the generator fed. As stated, this tension is with Help the three capacities multiplied by three. In practice it is difficult to carry out suitable circuits which operate the voltage with more than three multiply. If the IC 81 in CMOS technology with very little Consumption must be at the input of the voltage triplet Signal with a peak voltage of at least 0.4 volts are applied. The microgenerator must therefore be designed so that it at least this Peak voltage provides. A higher peak voltage can easily pass through Increase in the dimensions of the disks 11, 13 of the rotor and the magnets 12 be achieved. However, this solution is like in a miniaturized device disadvantageous of a watch. It also results in more friction and in particular a higher inertia of the rotor, which consequently a requires greater drive power for the generator and thus the Mainspring becomes larger.
  • the peak voltage is maximized and the Space requirements, the inertia of the rotor and the friction are minimized by the diameter and thickness of the rotor are reduced to its Reduce inertia.
  • the experiments were carried out with a gap of approximately 0.1 Made millimeters.
  • the peak tension is also maximized by the Surfaces of the coils 20, 21, 22 are increased as much as possible by the largest possible proportion of the magnetic generated by the magnets 12 Collecting river.
  • it is desirable to mount the rotor can after the coils 20, 21, 22 have been glued to the module 80.
  • there is a space 18 between the two coils 20, 21 a width at least equal to the diameter of the central part of the axis 10 of the rotor provided.
  • FIG Arrangement of the coils 20, 21, 22 is maximum.
  • they are Coils 20, 21 and 22 with respect to the axis of the rotor 10 in one arranged asymmetrical type.
  • the absolute angular distance is between the coils 20 and 21 is larger than the angular distance between the coils 20 and 22 or between the coils 21 and 22.
  • the coils 20, 21 and 22 are all in contact with at least one other coil, the coil 22 is even in Touch with the other two coils.
  • the insulation between the coils is solely through the peripherally around the wire wound on the coils existing insulation is secured.
  • a space 18 through which the axis of the rotor 10 can be inserted is between the coils 20th and 21 arranged.
  • the clockwork does not contain one, not shown magnetizable spring that stops the rotor 10 during the time setting.
  • the spring is preferably such with the crown, not shown connected that pulling the crown causes the spring directly or presses indirectly on the rotor and thus stops the rotation of the rotor.
  • the spring is released from the rotor and exercises at the same time an angular momentum on the rotor to ensure that the rotor starts up is.
  • Such braking and accelerating means are conventional mechanical movements known under the term stop second and need not be described in more detail here.
  • the rotor 10 starts again, and the Capacities 82, 83, 84 are reloaded by the generator. As soon as the Voltage at the capacities is greater than the minimum operating voltage of the IC, the IC starts to work again. During this process is the counter already mentioned on the IC with a predefined value started so that the start-up process is compensated and the second hand is in the same place exactly 60 seconds after the crown is reset.
  • the device is assembled as follows. First they are different axles and wheels 50, 60, 70, etc. arranged in the factory, then the rotor 10 is mounted between the board 30 and the bridge 40.
  • the Module 80 on which the coils 20, 21, 22 were previously glued then inserted between the discs 11, 13 of the rotor and on the board 30 attached, preferably with non-magnetic screw means.
  • the axis 10 of the rotor previously through the gap 18 between the coils 20, 21, 22 of the dismantled module 80, then the module-rotor unit is pushed in introduced the plant.
  • the module 80 is then attached, preferably by screwed non-magnetizable screws on the board 30, then the upper bridge 40 installed and screwed onto the board 30 to the upper To hold part of the axis of the rotor.
  • FIG. 3 illustrates one in the same view as FIG Variant of the invention, in which the individual magnets 12 by a continuous ring 19 are replaced.
  • the angularly consecutive Segments of the ring 19 are permanently magnetized with changing polarity.
  • the ring 19 preferably contains three with a positive polarity magnetized parts alternating with three parts of opposite Polarity. This variant enables the peak voltage of the signal generated at the output of the coils 20, 21, 22. If the diameter of the rotor is 5.3 millimeters, as in the example above, the ring has 19 preferably an equal outer diameter and an inner one Diameter of 3.5 millimeters.
  • the surface of the module 80 is in the direction the second intermediate axis 50, which gives more freedom to arrange of conductor tracks and components.
  • This expanded The module can therefore only be used according to the second one Assembly variant to be assembled, that is, by placing the rotor beforehand is inserted into the disassembled module 80, then the module with the rotor is then introduced into the work by the intermediate axis 50 through the Hole 804 is inserted before the bridge 40 is attached to the circuit board 30. It goes without saying that this form of the module 80 also with the using the example described in Figure 2 rotor can be used can.
  • FIG. 4 illustrates in the same view as FIG. 2 and FIG. 3 a variant of the invention, in which the individual magnets 12 an interrupted ring 19 are replaced.
  • the ring is 19th formed by several ring segments with the same surface, that of each other separated by spaces or by magnetically neutral portions 190 are.
  • the width of the spaces or portions 190 is preferably minimal compared to the diameter of the ring; for example, were attempts made with a width of 0.3 millimeters.
  • the invention is also applicable to Micro generators that are equipped with a rotor that more than contains two superimposed discs, for example with one Rotor-equipped microgenerators that contain three disks, all with Permanent magnets are provided, with three between each pair of disks Coils are arranged.
  • the invention encompasses generators with N. Discs and (N-1) superimposed sets of three coils each.
EP96810901A 1996-12-23 1996-12-23 Micro-générateur, module et pièce d'horlogerie, contenant un tel micro-générateur Expired - Lifetime EP0851322B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE59605259T DE59605259D1 (de) 1996-12-23 1996-12-23 Mikrogenerator, Modul und Uhrwerk, enthaltend einen solchen Mikrogenerator
EP96810901A EP0851322B1 (fr) 1996-12-23 1996-12-23 Micro-générateur, module et pièce d'horlogerie, contenant un tel micro-générateur
ES96810901T ES2145416T3 (es) 1996-12-23 1996-12-23 Microgenerador, modulo y mecanismo de relojeria que contiene un microgenerador de este tipo.
SG1997004432A SG55432A1 (en) 1996-12-23 1997-12-12 Micro-generator module and clockwork movement containing such a micro-generator
JP36435797A JP3172702B2 (ja) 1996-12-23 1997-12-19 マイクロ発電機及びこのようなマイクロ発電機を包含するモジュール及び時計仕掛ムーブメント
KR1019970072095A KR100547250B1 (ko) 1996-12-23 1997-12-22 마이크로발전기와모듈과마이크로발전기를포함하는시계장치작동기구
US08/995,605 US6124649A (en) 1996-12-23 1997-12-22 Micro-generator module and clockwork movement containing such a micro-generator
TW086119642A TW367646B (en) 1996-12-23 1997-12-23 Micro-generator device for clock
HK98109360A HK1008577A1 (en) 1996-12-23 1998-07-23 Micro-generator module and time piece containing such a micro-generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP96810901A EP0851322B1 (fr) 1996-12-23 1996-12-23 Micro-générateur, module et pièce d'horlogerie, contenant un tel micro-générateur

Publications (2)

Publication Number Publication Date
EP0851322A1 true EP0851322A1 (fr) 1998-07-01
EP0851322B1 EP0851322B1 (fr) 2000-05-17

Family

ID=8225782

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96810901A Expired - Lifetime EP0851322B1 (fr) 1996-12-23 1996-12-23 Micro-générateur, module et pièce d'horlogerie, contenant un tel micro-générateur

Country Status (9)

Country Link
US (1) US6124649A (fr)
EP (1) EP0851322B1 (fr)
JP (1) JP3172702B2 (fr)
KR (1) KR100547250B1 (fr)
DE (1) DE59605259D1 (fr)
ES (1) ES2145416T3 (fr)
HK (1) HK1008577A1 (fr)
SG (1) SG55432A1 (fr)
TW (1) TW367646B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7376053B2 (en) 2001-02-28 2008-05-20 Eta Sa Fabriques D'ebauches Use of non-magnetic paths for an electronic module intended for a timepiece
WO2014154467A1 (fr) 2013-03-25 2014-10-02 Richemont International Sa Organe régulateur pour montre bracelet et procédé d'assemblage d'un organe régulateur pour montre bracelet
US9348316B2 (en) 2012-09-25 2016-05-24 Richemont International Sa Movement for mechanical chronograph with quartz regulator
US9746831B2 (en) 2012-12-11 2017-08-29 Richemont International Sa Regulating body for a wristwatch

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040222708A1 (en) * 1998-11-13 2004-11-11 Barry Reginald Hobson Electric oscillatory machine
EP1171806B1 (fr) * 1999-04-21 2016-08-10 Richemont International S.A. Mouvement d'horlogerie comprenant un microgenerateur et procede de controle pour mouvements d'horlogerie
EP1237058A1 (fr) * 2001-02-28 2002-09-04 Eta SA Fabriques d'Ebauches Utilisation d'un revêtement amagnétique pour recouvrir des pièces dans un mouvement d'horlogerie
US8269393B2 (en) 2009-06-18 2012-09-18 Hamilton Sundstrand Corporation Crowned end winding support for main wound field of a generator
US8931185B2 (en) 2012-12-04 2015-01-13 Mitutoyo Corporation Electronic caliper configured to generate power for measurement operations
US9021715B2 (en) 2012-12-04 2015-05-05 Mitutoyo Corporation Electronic caliper configured to generate power for measurement operations
JPWO2015029697A1 (ja) * 2013-08-27 2017-03-02 旭硝子株式会社 発電装置、時計用ムーブメントおよび時計
US10734920B2 (en) 2015-09-04 2020-08-04 Koninklijke Philips N.V. Electrical current waveform generator, actuator and generation method
EP3208664B1 (fr) * 2016-02-19 2023-08-16 Omega SA Mecanisme horloger ou horloge sans signature magnetique
EP3438763B1 (fr) * 2017-08-04 2020-05-06 The Swatch Group Research and Development Ltd Mouvement horloger muni d'un transducteur électromagnétique
EP3964897A1 (fr) * 2020-09-03 2022-03-09 The Swatch Group Research and Development Ltd Pièce d'horlogerie comprenant une génératrice et procédé de montage d'une telle génératrice
EP3982208B1 (fr) * 2020-10-08 2023-05-03 The Swatch Group Research and Development Ltd Procede de fabrication d'une pluralite de generatrices adaptees a une application horlogere

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DE1811389U (de) * 1959-09-15 1960-05-12 Junghans Geb Ag Schwungpendelgenerator fuer die aufladung von stromquellen in elektrischen kleinuhren.
US4008566A (en) * 1975-11-10 1977-02-22 Mcclintock Richard D Electronic watch generator
EP0170303A1 (fr) 1984-07-03 1986-02-05 Kinetron B.V. Système d'alimentation en énergie électrique d'un dispositif portatif miniaturisé à consommation d'énergie
EP0474101A1 (fr) 1990-09-05 1992-03-11 Micromag S.A. Dispositif producteur de courant électrique
EP0483065A1 (fr) * 1990-10-22 1992-04-29 Charles Gigandet S.A. Montre-bracelet
EP0547083A1 (fr) 1990-09-07 1993-06-23 Kinetron Bv Generateur.

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US3518506A (en) * 1967-12-06 1970-06-30 Ibm Semiconductor device with contact metallurgy thereon,and method for making same
CH597636B5 (fr) * 1972-11-21 1978-04-14 Ebauches Sa
DE2751797A1 (de) * 1977-11-19 1979-05-23 Quarz Zeit Ag Elektrische uhr, insbesondere armbanduhr
WO1989006833A1 (fr) * 1988-01-25 1989-07-27 Seiko Epson Corporation Montre electronique pourvue d'un generateur de courant
JP3275363B2 (ja) * 1992-05-19 2002-04-15 セイコーエプソン株式会社 時 計
CH687287B5 (fr) * 1994-01-26 1997-05-15 Roberto Zafferri Dispositif de production de l'energie necessaire a la marche d'une montre electronique et montre comprenant un tel dispositif.
JP3174245B2 (ja) * 1994-08-03 2001-06-11 セイコーインスツルメンツ株式会社 電子制御時計
JP3630469B2 (ja) * 1995-05-25 2005-03-16 セイコープレシジョン株式会社 多極モータとそれを用いた時計機械体
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JPH10142357A (ja) * 1996-11-15 1998-05-29 Citizen Watch Co Ltd 発電装置付き電子時計

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Publication number Priority date Publication date Assignee Title
DE1811389U (de) * 1959-09-15 1960-05-12 Junghans Geb Ag Schwungpendelgenerator fuer die aufladung von stromquellen in elektrischen kleinuhren.
US4008566A (en) * 1975-11-10 1977-02-22 Mcclintock Richard D Electronic watch generator
EP0170303A1 (fr) 1984-07-03 1986-02-05 Kinetron B.V. Système d'alimentation en énergie électrique d'un dispositif portatif miniaturisé à consommation d'énergie
EP0474101A1 (fr) 1990-09-05 1992-03-11 Micromag S.A. Dispositif producteur de courant électrique
EP0547083A1 (fr) 1990-09-07 1993-06-23 Kinetron Bv Generateur.
EP0483065A1 (fr) * 1990-10-22 1992-04-29 Charles Gigandet S.A. Montre-bracelet

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"Werkstoffe & Anwendungen.", 1970, SPRINGER., BERLIN/N.YORK/HEIDELBERG., article SCHUELER K., BRINKMANN K.: "Elektrische Uhren mit Dauermagneten."

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7376053B2 (en) 2001-02-28 2008-05-20 Eta Sa Fabriques D'ebauches Use of non-magnetic paths for an electronic module intended for a timepiece
US9348316B2 (en) 2012-09-25 2016-05-24 Richemont International Sa Movement for mechanical chronograph with quartz regulator
US9746831B2 (en) 2012-12-11 2017-08-29 Richemont International Sa Regulating body for a wristwatch
WO2014154467A1 (fr) 2013-03-25 2014-10-02 Richemont International Sa Organe régulateur pour montre bracelet et procédé d'assemblage d'un organe régulateur pour montre bracelet

Also Published As

Publication number Publication date
ES2145416T3 (es) 2000-07-01
KR100547250B1 (ko) 2006-03-23
SG55432A1 (en) 1998-12-21
JP3172702B2 (ja) 2001-06-04
HK1008577A1 (en) 1999-05-14
JPH1144782A (ja) 1999-02-16
KR19980064478A (ko) 1998-10-07
US6124649A (en) 2000-09-26
EP0851322B1 (fr) 2000-05-17
DE59605259D1 (de) 2000-06-21
TW367646B (en) 1999-08-21

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