EP4012509A1 - Dewargefäss für mechanische und/oder funktionelle komponenten einer armbanduhr - Google Patents

Dewargefäss für mechanische und/oder funktionelle komponenten einer armbanduhr Download PDF

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Publication number
EP4012509A1
EP4012509A1 EP20212864.1A EP20212864A EP4012509A1 EP 4012509 A1 EP4012509 A1 EP 4012509A1 EP 20212864 A EP20212864 A EP 20212864A EP 4012509 A1 EP4012509 A1 EP 4012509A1
Authority
EP
European Patent Office
Prior art keywords
case
enclosure
watch
box
dewar
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.)
Pending
Application number
EP20212864.1A
Other languages
English (en)
French (fr)
Inventor
Edoardo Franzi
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.)
Omega SA
Original Assignee
Omega 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.)
Filing date
Publication date
Application filed by Omega SA filed Critical Omega SA
Priority to EP20212864.1A priority Critical patent/EP4012509A1/de
Priority to US17/500,212 priority patent/US20220179367A1/en
Priority to JP2021176166A priority patent/JP7163473B2/ja
Priority to KR1020210159621A priority patent/KR20220081893A/ko
Priority to CN202111491747.8A priority patent/CN114624985A/zh
Publication of EP4012509A1 publication Critical patent/EP4012509A1/de
Pending legal-status Critical Current

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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
    • G04B37/00—Cases
    • G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components
    • 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
    • G04B37/00—Cases
    • G04B37/0008—Cases for pocket watches and wrist watches
    • 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
    • G04B37/00—Cases
    • G04B37/02—Evacuated cases; Cases filled with gas or liquids; Cases containing substances for absorbing or binding moisture or dust
    • 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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields
    • G04B43/005—Protection against temperature influences
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/08—Housings

Definitions

  • the invention relates to a Dewar device for mechanical and/or functional components of a watch, in particular adapted to operate under extreme temperatures.
  • An electronic watch conventionally comprises a bracelet and a watch case comprising several electrical or electronic components. It is known in the state of the art that some of these components cannot withstand extreme temperatures, and cease to operate correctly at these temperatures. Typically, LCD liquid crystal displays using light-emitting diodes or quartz tolerate temperatures not exceeding approximately 80°C (degrees Celcius), and not dropping below 0. °C. However, in particular environments such as for example space or lunar missions, the temperatures can frequently reach values of the order of substantially ⁇ 150° C. to +125° C.
  • the Dewar device formed by the case and the watch case the mechanical and/or functional components of the watch are protected from any extreme temperatures between -150 and +125 degrees Celsius that may prevail outside of said device.
  • said at least one connecting element ensuring the fixing of the watch case to the case participates in ensuring very good thermal insulation of the case by preventing any heat loss from this case 6 of the watch, in particular by radiation.
  • such a Dewar device makes it possible to use mechanical and/or functional components in contexts and environments where the temperatures can be extreme, such as for example during space exploration missions such as the exploration of the planet Mars. or the moon. This also makes it possible to ensure cost rationalization as well as to maintain a reasonable complexity for the components used in watches used for such missions.
  • FIG. 1 appended is a sectional view of a schematic representation of a Dewar device for mechanical and/or functional components of a watch comprising a device for reversible fixing by magnetic levitation taking part in the arrangement of a case of this watch in said Dewar device, according to one embodiment of the invention.
  • the figure 1 represents an isothermal timepiece device 1 for mechanical and/or functional components 2 of a watch 3 also called Dewar timepiece device or more simply “Dewar device” in the following description.
  • a Dewar device 1 for mechanical and/or functional components 2 of a watch 3 is capable of participating in conferring good thermal insulation on mechanical and/or functional components 2 of the watch 3 of which a case 6 must be arranged in this case 4 of the device 1 in order to provide such insulation to these components 2.
  • this Dewar device 1 is in particular formed by the combination of its case 4 and the case 6 of the watch 3 in order to produce a suitable thermal insulation for these mechanical and/or functional components 2.
  • the case 6 of the watch 3 is arranged in an enclosure 5 while being kept remote or at a distance from all the elements 10a to 10c of the case 4 forming this said enclosure 5, namely a crystal 10a, an inner peripheral wall 12a of a middle part 10c and a bottom 10b of this case 4. It will be noted that this inner peripheral wall 12a is also that of said enclosure 5.
  • This distance or this distance or even this spacing is configured (e) from a reversible fixing device 7 by magnetic levitation of said case 6 of watch 3 in said enclosure 5.
  • a fixing device 7 is suitable to configure a spacing between said box 6 and all of the elements 10a, 10b, 10c of the box 4 forming said enclosure 5 of the box.
  • This fixing device 7, which we will describe below, participates in reducing or even eliminating any thermal conduction between the inner peripheral wall 12a of the middle part 10c and/or the back 10b and/or the crystal 10a with the case 6 of the watch 3 in particular with an outer overall face of this case 6.
  • This outer overall face comprises an upper face 18a comprising the crystal 11 of the case 6 of this watch 3, a lower face 18b comprising a bottom 18b of said box 6 and an outer peripheral wall 18c of a middle part of this box 6.
  • a box 6 is included in a watch 3 which can be an electronic watch, for example a quartz watch, or even a mechanical watch.
  • the mechanical and/or functional components 2 of the watch 3, mentioned above, include in a non-limiting and non-exhaustive manner: a watch movement, a dial, hands, rings, seals and/or electronic and/or electrical components 2
  • electronic and/or electrical components include, for example, a display device, a processor, a memory, an energy storage component, a motor, an integrated circuit and an electronic oscillator, etc. ..
  • this Dewar device 1 has the same properties and characteristics as a Dewar tube/vase well known in the state of the art. As we have previously mentioned, the properties and characteristics of this Dewar device 1 participate in giving it good thermal insulation with regard to particularly extreme temperatures that may prevail in the external environment in which such a device 1 can be located.
  • this device 1 therefore comprises the case 4 which comprises the middle part 10c on which is mounted a bracelet allowing a user of this device 1 to wear it.
  • This box 4 also includes the glass 10a and the bottom 10b mentioned previously.
  • crystal 10a preferably comprises a surface which is substantially greater or strictly greater than crystal 11 of case 6 of watch 3.
  • crystal 10a, middle 10c and bottom 10b of this device 1 together define enclosure 5 of this case 4 which is capable of receiving case 6 of watch 3.
  • These three elements 10a to 10c of the case 4, the middle 10c, the crystal 10a and the back 10b can be separate elements which are joined together to build this enclosure 5.
  • the middle 10c and the back 10b of the case 4 can together form a part in one piece, said one-piece piece defining an opening opposite the bottom 10b which is capable of being closed by the crystal 10a and this, in a reversible and sealed manner.
  • middle 10c and crystal 10a of case 4 of watch 3 can together form a one-piece piece, said one-piece piece defining an opening opposite crystal 10a which is capable of being closed by bottom 10b, also reversible and waterproof.
  • the caseband 10c and the back 10b are preferably made in a non-limiting and non-exhaustive manner from a metallic material, from glass or from thermosetting or thermoplastic polymer resins reinforced with carbon or glass fibers or even from ceramic materials. It will be noted that when middle part 10c and bottom 10b are transparent or semi-transparent, for example being made of glass, peripheral wall 12 of middle part 10c and bottom 10b can be coated with a metallic or similar reflective coating/coating, such as than for example a layer of silver.
  • the device 1 can comprise an interferometric filter arranged on an outer overall face of the case 4, namely on an outer peripheral wall of the middle part 10c and/or of the outer faces of the crystal 10a and of the bottom 10b of this box 6 of shows 3.
  • This interferometric filter can be a grid or a lattice forming a coating on this external overall face of the case 4.
  • This grid or lattice has a mesh whose dimensions are such that they do not leave pass only certain predetermined wavelengths of the electromagnetic spectrum, typically the wavelengths of the visible domain.
  • the Dewar device 1 and in particular the case 4 comprises the reversible fixing device 7 by magnetic levitation of this case 6 of the watch 3 in the enclosure 5.
  • the case 6 of the watch 3 is removably arranged in this enclosure 5.
  • this fixing device 7 preferably comprises two magnetic modules 8a, 8b, first and second modules 8a, 8b, and at least one abutment member 9a, 9b, 9c.
  • This first module 8a is a magnetic module 8a for adjusting and maintaining an axial position of case 6 of watch 3 in enclosure 5 with respect to crystal 10a and/or bottom 10b of said case 4.
  • the box 4 preferably has axial symmetry with respect to a central axis X.
  • axial designates a general direction parallel to the central axis X.
  • radial designates a general direction along an axis perpendicular to and concurrent with the central axis X.
  • Such a first module 8a comprises at least two pairs 16a, 16b of elements generating a magnetic field 13a, 13b, 14a, 14b.
  • the elements 13a, 13b are arranged facing each other, being located respectively on an upper face 18a of the case 6 of the watch 3 and on a first inner face 12b of the enclosure 5 comprising the glass 10a of the said box 4. More precisely, these elements 13a, 13b extend in whole or in part in a continuous or discontinuous manner around the glasses respectively of the box 4 and of the box 6 watch 3.
  • the elements 14a, 14b of which are arranged opposite each other, being located respectively on a lower face 18b of the case 6 comprising the back of the watch 3 and on a second inner face 12c of the enclosure 5 comprising the bottom 10b of the box 4.
  • the fixing device 7 also comprises a second magnetic module 8b.
  • This second module 8b is a module for adjusting and maintaining the radial position of case 6 of watch 3 in enclosure 5 of case 4 with respect to an inner peripheral wall 12a of said enclosure 5.
  • This second module 8b comprises at at least one pair 17 of magnetic field generating elements 15a, 15b, said elements 15a, 15b being arranged facing each other and being located respectively on the outer peripheral wall 18c of the case 6 of the watch 3 and the inner peripheral wall 12a of the enclosure 5 of the box 4.
  • the elements 13a, 13b, 14a, 14b, 15a, 15b are passive magnetic field sources such as magnets, in particular permanent magnets.
  • these elements 13a, 13b, 14a, 14b, 15a, 15b can be active magnetic field sources such as electromagnets for example.
  • the Dewar device 1 can then comprise a battery and a microcontroller comprising hardware and software elements driving these electromagnets.
  • the box 4 can be devoid of abutment members 9a, 9b, 9c.
  • the elements generating a magnetic field 13a, 13b, 14a, 14b, 15a, 15b of each of these pairs 16a, 16b, 17 comprise parts arranged facing each other. comprising magnetic poles of identical polarity.
  • the magnetic poles of the elements 13a, 13b, 14a, 14b, 15a, 15b of each of the pairs repel each other, then causing the creation of a gap mentioned above between the overall outer face of the case 6 of the watch 3 and the set of elements 10a, 10b, 10c of box 4 delimiting said enclosure 5 of box 4.
  • the fixing device 7 also comprises at least one abutment member 9a, 9b, 9c which is capable of participating, with the first and second magnetic modules 8a, 8b, in maintaining the watch case 6 in the enclosure 5 of the case 4.
  • a member 9a, 9b, 9c is able to supplement or supplement the maintenance/fixing assured (e) of the box 6 by the first and second modules 8a , 8b in the enclosure 5 in particular when the case 4 undergoes an acceleration, a deceleration and/or a sudden (e)/violent (e)/sudden change of direction, for example during an impact.
  • Such a member is then capable of being in contact with the upper 18a and/or lower 18b faces and/or the outer peripheral wall 18c of the middle part of this box 6 as soon as the maintenance/fixing provided by the first module and/or second module 8a, 8b is not sufficient to maintain a spacing between said box 6 and all of the elements 10a, 10b, 10c of the box 4 forming this enclosure 5.
  • This member 9a, 9b, 9c is preferably made of a material having good characteristics and thermal insulation properties such as a material for example cork, polyurethane (in the form of foam or panel) and / or glass foam.
  • Such a member can be arranged on all or part of the inner peripheral wall 12a of the enclosure 5 and/or of the first inner face 12b of the enclosure 5 comprising the glass 10a of the case 4 and/or of the second inner face 12c of the enclosure 5 comprising the bottom 10b of the case 4.
  • the fixing device 7 comprises a plurality of abutment members 9a, 9b, 9c which are arranged respectively on all or part of the inner peripheral wall 12a, of the first inner face 12b and of the second inner face 12c of enclosure 5. More specifically, fixing device 7 comprises three abutment members 9a, 9b, 9c.
  • the first member 9a is arranged on the first inner face 12b extending in whole or in part in a continuous or discontinuous manner around the glass 10a of the case 4. In this configuration, such a first member 9a can be located between the element magnetic field generator 13a of the first pair 16a, and the glass 10a of the box 4.
  • the second member 9b is arranged on the inner peripheral wall 12a of the enclosure 5 and this, facing the outer wall 18c of the box 6 of watch 3.
  • the third member 9c is arranged on the second inner face 12c, more particularly on all or part of the bottom and this, being positioned facing the lower face 18b of the case 6 of watch 3. It will be noted that the contour of this third member 9c can be substantially delimited or strictly delimited by the magnetic field generator element 14b of the second pair 16b which is located on this second inner face 12c.
  • the mechanical and/or functional components 2 of the watch can be non-magnetic and/or that the case 4 of the watch can be made of a material or be covered with a coating making it possible to isolate these components 2 of magnetic fields.
  • the fixing device 7 contributes to arranging the case 6 of the watch 3 in this case 4 so that the crystal 11 of this case 6 of the watch 3 is arranged opposite the crystal 10a of the case 4 so that the information included on the dial and/or the display interface of this watch 3 can be perceived through the transparent crystal 10a of the case 4 by the user carrying the Dewar device 1.
  • a Dewar device 1 provides the mechanical and/or functional components 2 of the watch 3 with very good thermal insulation with respect to the external environment by reducing or even preventing heat loss by radiation from the components arranged in the box 6 watch for a long time.
  • the temperature outside the device 1 reaches extreme values, typically of the order of ⁇ 125 to +125° C.
  • the temperature inside the enclosure 5 remains substantially equal to the temperature present in case 6 of watch 3 during its arrangement in case 4, typically around 20°C.
  • the temperature present in the case 6 of the watch 3 is a temperature which does not hinder the correct operation of the watch.
  • This temperature is maintained over a period which is 5 to 18 times longer than the period during which such a watch case would be capable of preserving an operating temperature of its components 2 by being located directly in such an environment where such temperatures prevail. in particular extreme (that is to say by being located outside the case of the Dewar device). It is thus conceivable that such a configuration makes it possible to protect the mechanical and/or functional components 2 of the watch 3, as well as to participate in ensuring their operation in an optimal manner under extreme outside temperature conditions.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Packaging Frangible Articles (AREA)
EP20212864.1A 2020-12-09 2020-12-09 Dewargefäss für mechanische und/oder funktionelle komponenten einer armbanduhr Pending EP4012509A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP20212864.1A EP4012509A1 (de) 2020-12-09 2020-12-09 Dewargefäss für mechanische und/oder funktionelle komponenten einer armbanduhr
US17/500,212 US20220179367A1 (en) 2020-12-09 2021-10-13 Dewar device for mechanical and/or functional components of a watch
JP2021176166A JP7163473B2 (ja) 2020-12-09 2021-10-28 ウオッチの機械的および／または機能的構成部品用デュワー機器
KR1020210159621A KR20220081893A (ko) 2020-12-09 2021-11-18 시계의 기계적 및/또는 기능적 부품용의 듀어 장치
CN202111491747.8A CN114624985A (zh) 2020-12-09 2021-12-08 用于表的机械和/或功能部件的杜瓦装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20212864.1A EP4012509A1 (de) 2020-12-09 2020-12-09 Dewargefäss für mechanische und/oder funktionelle komponenten einer armbanduhr

Publications (1)

Publication Number Publication Date
EP4012509A1 true EP4012509A1 (de) 2022-06-15

Family

ID=73790000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20212864.1A Pending EP4012509A1 (de) 2020-12-09 2020-12-09 Dewargefäss für mechanische und/oder funktionelle komponenten einer armbanduhr

Country Status (5)

Country Link
US (1) US20220179367A1 (de)
EP (1) EP4012509A1 (de)
JP (1) JP7163473B2 (de)
KR (1) KR20220081893A (de)
CN (1) CN114624985A (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3030763A (en) * 1959-06-23 1962-04-24 Hans U Klingenberg Waterproof watch casing
FR2752959A1 (fr) * 1996-08-27 1998-03-06 C Beuchat Sa Ets Dispositif pour permettre a un boitier de montre etanche contenant du liquide de resister a de fortes variations de temperature et de pression
US20120155230A1 (en) * 2010-12-15 2012-06-21 Jeremy James Patt Thermal expansion compensator for liquid-filled watches
CN203747909U (zh) * 2014-01-13 2014-07-30 昆明理工大学 一种emccd相机成像与数据传输系统
CN106325041A (zh) * 2016-08-22 2017-01-11 烟台中恒时钟科技有限公司 一种耐高低温三电机时钟机芯

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH537170A (fr) * 1971-06-21 1973-05-31 Omega Louis Brandt & Freres S Boîtier de protection pour montre-bracelet
DE2136371A1 (de) * 1971-07-21 1973-02-01 Braun Karl Magnetische lagerung von wellen oder dergl
IT1403105B1 (it) * 2010-12-15 2013-10-04 Corvino Struttura di orologio da polso.
CH707582B1 (fr) * 2013-02-04 2018-12-14 Montres Breguet Sa Sous-ensemble horloger à pivotement magnétique ou électrostatique.
US10494080B2 (en) * 2015-10-13 2019-12-03 The Boeing Company Thermal insulation for aircraft components
CN206671783U (zh) * 2017-04-05 2017-11-24 李凯 一种新型的磁悬浮钟表
CN108255045A (zh) * 2018-03-16 2018-07-06 东莞市亿丰钟表有限公司 一种手表外壳可磁浮双向转圈的手表结构
US11371557B2 (en) * 2018-05-04 2022-06-28 The Boeing Company Tank support assembly for a vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3030763A (en) * 1959-06-23 1962-04-24 Hans U Klingenberg Waterproof watch casing
FR2752959A1 (fr) * 1996-08-27 1998-03-06 C Beuchat Sa Ets Dispositif pour permettre a un boitier de montre etanche contenant du liquide de resister a de fortes variations de temperature et de pression
US20120155230A1 (en) * 2010-12-15 2012-06-21 Jeremy James Patt Thermal expansion compensator for liquid-filled watches
CN203747909U (zh) * 2014-01-13 2014-07-30 昆明理工大学 一种emccd相机成像与数据传输系统
CN106325041A (zh) * 2016-08-22 2017-01-11 烟台中恒时钟科技有限公司 一种耐高低温三电机时钟机芯

Also Published As

Publication number Publication date
US20220179367A1 (en) 2022-06-09
JP7163473B2 (ja) 2022-10-31
KR20220081893A (ko) 2022-06-16
JP2022091684A (ja) 2022-06-21
CN114624985A (zh) 2022-06-14

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