WO2001001204A1 - Dispositif d'horlogerie mecanique dote d'un mecanisme de commande a balancier annulaire regle - Google Patents

Dispositif d'horlogerie mecanique dote d'un mecanisme de commande a balancier annulaire regle Download PDF

Info

Publication number
WO2001001204A1
WO2001001204A1 PCT/JP2000/000678 JP0000678W WO0101204A1 WO 2001001204 A1 WO2001001204 A1 WO 2001001204A1 JP 0000678 W JP0000678 W JP 0000678W WO 0101204 A1 WO0101204 A1 WO 0101204A1
Authority
WO
WIPO (PCT)
Prior art keywords
balance
hairspring
rotation
wheel
mechanical timepiece
Prior art date
Application number
PCT/JP2000/000678
Other languages
English (en)
Japanese (ja)
Inventor
Takeshi Tokoro
Koichiro Jujo
Masafumi Hoshino
Original Assignee
Seiko Instruments Inc.
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
Priority claimed from PCT/JP1999/003487 external-priority patent/WO2000067077A1/fr
Priority claimed from PCT/JP1999/007290 external-priority patent/WO2001048565A1/fr
Application filed by Seiko Instruments Inc. filed Critical Seiko Instruments Inc.
Publication of WO2001001204A1 publication Critical patent/WO2001001204A1/fr

Links

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
    • G04C3/06—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 using electromagnetic coupling between electric power source and 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
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance

Definitions

  • the present invention relates to a mechanical timepiece that can display time with high accuracy.
  • the present invention particularly relates to a mechanical timepiece with a balance control mechanism capable of controlling the period of rotation vibration of the balance with hairspread in order to adjust the rate of the timepiece.
  • the movement (mechanical body) 110 of the mechanical timepiece is composed of a main plate 110 2 constituting a substrate of the movement. Having.
  • the winding stem 111 is rotatably incorporated into the winding guide hole 111a of the main plate 111.
  • the dial 1 104 (shown in phantom in FIG. 11) is attached to the movement 110.
  • the side with the dial is called the “back side” of the movement
  • the side opposite to the side with the dial is called the “front side” of the movement.
  • the train wheel built into the “front side” of the movement is called “front train wheel”
  • the train wheel built into the “back side” of the movement is called “back train wheel”.
  • the axial position of the winding stem 1 1 1 1 0 is determined by a switching device that includes the setting 1 1 9 0, the bar 1 1 92, the spring 1 1 94, and the back 1 1 96.
  • the wheel 1 1 1 2 is rotatably provided on the guide shaft of the winding stem 1 1 1 0. Makino 1 1 0,
  • the rotation of the pinwheel causes The car 1 1 1 2 rotates.
  • the round hole wheel 1 1 1 4 is rotated by the rotation of the wheel 1 1 1 2.
  • the square wheel 1 1 1 6 is rotated by the rotation of the round hole wheel 1 1 4.
  • the mainspring 1 1 2 2 housed in the barrel box 1 1 2 0 is wound up as the square wheel 1 1 1 6 rotates.
  • the second wheel 1 1 2 4 is rotated by the rotation of the barrel 1 1 2 0.
  • the escape wheel 1 1 3 0 rotates through the rotation of the 4th wheel 1 1 2 8, the 3rd wheel 1 1 2 6, and the 2nd wheel 1 1 2 4.
  • Incense box 1 1 2 0, 2nd wheel 1 1 2 4, 3rd wheel 1 1 2 6 and 4th wheel 1 1 2 8 constitute a front wheel train.
  • the escape / governing device for controlling the rotation of the front wheel train includes a balance 111, an escape wheel 111, and an ankle 111.
  • the balance 111 includes a balance 111a, a balance wheel 114Ob, and a hairspring 111c.
  • the cylinder pinion 1 1 50 rotates simultaneously.
  • the minute hand 1 1 5 2 attached to the cylindrical pin 1 1 50 displays “minute”.
  • the cylinder pinion 1 1 50 is provided with a slip mechanism for the center wheel 1 1 2 4.
  • the hour wheel 1154 rotates through the rotation of the minute wheel.
  • the hour hand 1 1 5 6 attached to the hour wheel 1 1 5 4 indicates “hour”.
  • the barrel car 1 120 is supported so as to be rotatable with respect to the main plate 1 102 and the barrel holder 1 160.
  • the second wheel 1 1 2 4, the third wheel 1 1 2 6, the fourth wheel 1 1 2 8, and the escape wheel 1 1 3 0 are for the main plate 1 1 0 2 and the train wheel bridge 1 1 6 2 It is supported so that it can rotate.
  • the ankle 1 1 4 2 is supported so as to be rotatable with respect to the main plate 1 1 10 2 and the ankle receiver 1 1 6 4.
  • the balance with hairspring 1140 is supported so as to be rotatable with respect to the main plate 1102 and the balance with hairspring 1166.
  • the hairspring 111 4 c is a thin leaf spring having a spiral shape and a plurality of turns.
  • the inner end of the hairspring 1 1 4 0 c is in the balance 1 1 4 0 a
  • the outer end of the hairspring 1 140 c is fixed to the fixed beard ball 1 140 d, and the outer end of the hairspring 1 140 c is screwed through the beard holder 1 170 a attached to the beard holder 1 170 fixed to the balance holder 1 166. Fixed.
  • a needle 1168 is rotatably mounted on the balance 1166.
  • a beard receiver 1 168 a and a beard bar 1 168 b are attached to the needle 1 168.
  • the portion of the hairspring 1140c near the outer end is located between the whiskers 1168a and the whiskers 1168b.
  • the mainspring torque is about 27 gcm in the fully wound state, about 23 gcm after 20 hours from the fully wound state, and 40 hours after the fully wound state. Approximately 18 g ⁇ cm.
  • the swing angle of the balance with hairspring when the spring torque decreases, the swing angle of the balance with hairspring also decreases.
  • the swing angle of the balance with hairspring is about 240 to 270 degrees, and when the mainspring torque is 20 to 25 gcm, the swing of the balance with hairspring is obtained. The angle is about 180-240 degrees.
  • instantaneous rate a numerical value indicating the precision of a clock
  • rate means “mechanical watch when left for one day while maintaining the condition and environment such as the swing angle of the balance when measuring the rate.
  • the instantaneous rate is about 0 to 5 seconds / day. (Approximately 0 to 5 seconds a day, advance) When the swing angle of the balance with hairspring is about 170 degrees, the instantaneous rate is about 20 seconds / day (about 20 seconds delay per day) .
  • FIG. 15 shows the transition of the elapsed time and the instantaneous rate when the mainspring is rewound from the fully wound state in a typical conventional mechanical timepiece.
  • the “rate” indicating the advance or the delay of the clock per day is the instantaneous rate curve with respect to the elapsed time when the mainspring is unwound from the whole winding as shown in FIG. By integrating over 24 hours.
  • the instantaneous rate is about 3 seconds / day (about 3 seconds per day), but in the fully wound state. After 20 hours, the instantaneous rate will be about 3 seconds / day (about 3 seconds behind each day), and after 24 hours from the full winding state, the instantaneous rate will be about 8 seconds / day (1 day After about 30 seconds from the full winding state, the instantaneous rate is about 16 seconds / day (about 16 seconds behind each day).
  • the conventional mechanical timepiece has a problem that the range in which the period of the rotational vibration of the balance with hairspring can be increased is limited, and thus the range in which the accuracy of the timepiece can be improved is limited.
  • an object of the present invention is to provide an extremely accurate mechanical timepiece.
  • Another object of the present invention is to provide a high-precision mechanical timepiece that can be used for a long time.
  • a mechanical timepiece includes a mainspring constituting a power source, a front wheel train that rotates by a rotational force when the mainspring is unwound, and an escape / governing device for controlling the rotation of the front wheel train.
  • This escapement / speed governor has a balance that alternately rotates clockwise and counterclockwise, an escape wheel that rotates based on the rotation of the front train wheel, and a balance based on the operation of the balance with hairspring.
  • a balance for controlling the rotation of the escape wheel, and the balance has a movement configured to include a hairspring, a balance and a balance wheel.
  • the mechanical timepiece according to the present invention further includes a quartz oscillator constituting a source oscillation, and an oscillation of the quartz oscillator. It has an IC including a frequency divider for inputting an output signal output by the operation, dividing the signal, and outputting a signal relating to time, and a power supply for operating the IC.
  • the mechanical timepiece of the present invention further includes a time counting unit for counting time, a rate detecting unit for detecting a rate of the mechanical timepiece, and a count signal and a rate detecting unit counted by the time counting unit.
  • a balance controller for controlling a period of rotation vibration of the balance with hairspring based on an operating state signal indicating the detected rate.
  • a balance controller of a mechanical timepiece of the present invention includes a balance magnet provided on a balance with hair and a coil arranged so as to exert a magnetic force on the balance magnet. It is preferable that the rotation of the balance with hairspring can be suppressed by applying a magnetic force to the balance magnet based on the count signal counted by the section and the operation state signal indicating the rate detected by the rate detection section.
  • the balance controller of the mechanical timepiece of the present invention can change the period of the rotational vibration of the balance with hairspring by controlling the rotation of the balance with hairspread by applying “Airy's theorem”.
  • Airy's theorem means that the pendulum does not disturb the vibration even when energy is applied at the center point of the vibration.
  • the period of the balance's rotational vibration does not change and the balance accelerates before the center of the balance's rotational vibration. It is known that when the speed is reduced after the center of the rotational vibration, the period of the rotational vibration of the balance with hair advances. In the case of the balance with hairspring, if it accelerates after the center of the balance's rotational vibration or decelerates before the center of the balance's rotational vibration, it is known that the cycle of the balance's rotational vibration is delayed.
  • the balance control section of the mechanical timepiece of the present invention is configured to apply a brake to the rotation of the balance with hair at a timing before becoming the center of the rotational vibration of the balance. If the rate of the mechanical watch is delayed, It is preferable that the rotation of the balance with hair is braked after passing through the center of the rotation vibration of the balance with hair.
  • the balance control section of the mechanical timepiece of the present invention is configured to control the rotation of the balance with hair, for example, once a minute.
  • the rate detecting section of the mechanical timepiece of the present invention counts an ankle detecting piezoelectric element provided on the pin and a pallet detecting signal output by the pallet detecting piezoelectric element in order to detect the operation of the ankle. And a counting unit for counting the number of ankles.
  • the power source is, for example, a primary battery such as a silver battery or a lithium battery.
  • the power source may be a solar cell, a rechargeable secondary battery, or a rechargeable capacitor.
  • the mechanical timepiece of the present invention may include an automatic winding power generation unit.
  • the mechanical timepiece of the present invention even if a battery, crystal, or IC similar to a normal analog type quartz timepiece is used, it is not necessary to replace the battery until it becomes necessary to perform overhaul. Absent. Further, in the mechanical timepiece of the present invention, if the capacity of the battery is increased and the power consumption of the IC is reduced, it is possible to obtain a watch that does not require replacement of the battery until the life of the mechanical structure part is extended. Can be.
  • the timepiece of the present invention since the timepiece is operated by a mechanical structure, there is no danger that the timepiece will stop even if the battery life is expired, and the accuracy of the time display is improved before the battery life expires. It only gets worse.
  • the life of the battery will not be exhausted.
  • FIG. 1 is a plan view showing a schematic shape of a front side of a movement in a mechanical timepiece according to an embodiment of the present invention. (In FIG. 1, some parts are omitted, and receiving members are indicated by phantom lines. ing) .
  • FIG. 2 is an enlarged partial plan view showing a schematic shape of a balance with hairspring in the embodiment of the mechanical timepiece of the present invention.
  • FIG. 3 is an enlarged partial sectional view showing a schematic shape of a balance with hairspring in the embodiment of the mechanical timepiece of the present invention.
  • FIG. 4 shows a schematic shape of a balance magnet in the embodiment of the mechanical timepiece of the present invention.
  • FIG. 5 is a block diagram schematically showing an operation of controlling the operation of the balance with hairspring in the embodiment of the mechanical timepiece of the present invention.
  • FIG. 6 is a time chart showing the principle of controlling the operation of the balance with hair in the embodiment of the mechanical timepiece of the present invention.
  • FIG. 7 is a schematic partial plan view showing a configuration of a part for detecting an operation of a wheel train in the embodiment of the mechanical timepiece of the present invention.
  • FIG. 8 is a time chart showing the principle of controlling the operation of the balance with hair in the embodiment of the mechanical timepiece of the present invention.
  • FIG. 9 is a flowchart showing an operation of a portion for controlling the operation of the balance with hair in the embodiment of the mechanical timepiece of the present invention.
  • FIG. 10 is a plan view showing a schematic shape on the front side of a movement of a conventional mechanical timepiece (in FIG. 10, some parts are omitted, and a receiving member is shown by an imaginary line).
  • FIG. 11 is a schematic partial cross-sectional view of a movement of a conventional mechanical timepiece (in FIG. 11, some parts are omitted).
  • FIG. 12 is a graph schematically showing the relationship between the elapsed time of unwinding a whole timepiece and a mainspring torque in a mechanical timepiece.
  • FIG. 13 is a graph schematically showing the relationship between the swing angle of the balance with hairspring and the mainspring torque in a mechanical timepiece.
  • FIG. 14 is a graph schematically showing the relationship between the swing angle of the balance with hair and the instantaneous rate in a mechanical timepiece.
  • FIG. 15 is a graph schematically showing the relationship between the elapsed time of unwinding from a full turn and the instantaneous rate in a mechanical timepiece.
  • the movement 600 of the mechanical timepiece includes a main plate 102 constituting a substrate of the movement.
  • the winding stem 110 is rotatably incorporated into the winding guide hole 102 a of the main plate 102.
  • a dial (not shown) is attached to the movement 600 of the mechanical timepiece of the present invention.
  • the dial is provided with, for example, a 12 o'clock scale, a 3 o'clock scale, a 6 o'clock scale, and a 9 o'clock scale.
  • the winding stem 110 has a corner and a guide shaft.
  • a thumbwheel (not shown) is installed at the corner of the winding stem 110.
  • the ratchet wheel has the same rotation axis as that of the winding pin 110. That is, the pinwheel has a square hole, and is provided so as to rotate based on the rotation of the winding stem 110 by fitting the square hole into the corner of the winding stem 110.
  • the ratchet wheel has insteps and teeth. The instep is located at the end of the wheel closer to the center of the movement. The second tooth is located at the end of the wheel closer to the outside of the movement.
  • the movement 600 incorporates a switching device for determining the position of the winding stem 110 in the axial direction.
  • the switching device includes a setting lever 13, a latch 13 4, a latch spring 13 6, and a back retainer 13 36.
  • the position of the winding stem 110 in the direction of the rotation axis is determined based on the rotation of the shim 1 32.
  • the position of the wheel in the rotation axis direction is determined based on the rotation of the bar 1 34.
  • the bar 1 3 4 is positioned at two positions in the rotation direction.
  • the wheel 1 1 2 is rotatably incorporated in the guide shaft of the winding stem 110.
  • the winding stem 1 110 is the first winding stem closest to the inside of the movement 100 along the rotation axis direction.
  • the round wheel 1 1 4 is incorporated so as to be rotated by the rotation of the wheel 1 1 2.
  • the square hole wheel 116 is assembled so as to be rotated by the rotation of the round hole wheel 114.
  • Movement 600 uses a mainspring (not shown) housed in barrel box 120 as a power source.
  • the mainspring is made of a springy elastic material such as iron.
  • the square hole wheel 1 16 is configured to be able to wind up the mainspring by rotating.
  • the center wheel & pinion 124 is mounted so as to be rotated by the rotation of the barrel wheel 120.
  • the third wheel 1 26 is incorporated so as to rotate based on the rotation of the second wheel 124.
  • the fourth wheel 128 is incorporated so as to rotate based on the rotation of the third wheel 126.
  • the onion wheel 130 is incorporated so as to rotate based on the rotation of the fourth wheel 128.
  • the barrel car 1 2 0, the second wheel 1 2 4, the third wheel 1 2 6 and the fourth wheel 1 2 8 constitute a front wheel train.
  • a movement / governing device for controlling the rotation of the front train wheel is incorporated in the movement 600.
  • the escapement and speed governor operate a balance wheel 140 that rotates clockwise and counterclockwise at regular intervals, an escape wheel 1300 that rotates based on the rotation of the front train wheel, and a balance wheel 140. And an ankle 142 that controls the rotation of the escape wheel 130 based on the
  • the basic operating principle of the escape wheel 130, the ankle 142 and the balance 140 is the same as that of the movement of a conventional mechanical watch.
  • the ankles 142 are provided with an incisor stone 142 a provided so as to be able to contact the escape wheel 130 and an egress provided so as to be able to contact the escape wheel 130. It has a claw stone 14 2 b, an ankle sword tip portion 14 2 c provided to allow a balance stone (not shown) to enter and exit, and an ankle support portion 144 2 d.
  • the ankles 14 2 rotate the rocks counterclockwise (counterclockwise) by the force of the wheel 130. Let it. Then, the ankle support portion 142d comes into contact with the first pin 102d of the main plate, the rotation of the ankle 142 stops, and the second stop state is established.
  • the balance 140 rotates counterclockwise (clockwise) and oscillates freely.
  • the balance 140 rotates clockwise (clockwise)
  • the shaking stone also rotates clockwise (clockwise).
  • the cylindrical pinion (not shown) rotates at the same time.
  • the minute hand (not shown) attached to the barrel pin is configured to display “minute”.
  • the pipe pinion is provided with a slip / sop mechanism having a predetermined slip torque with respect to the second wheel & pinion 124.
  • the minute wheel (not shown) rotates based on the rotation of the cylinder pinion.
  • the rotation of the minute wheel (not shown) rotates.
  • An hour hand (not shown) attached to the hour wheel is configured to display "hour”.
  • the barrel barrel 120 is supported rotatably with respect to the main plate 102 and barrel barrel 160.
  • the second wheel 1 2 4, the third wheel 1 2 6, the fourth wheel 1 2 8, and the escape wheel 1 330 are supported so that they can rotate with respect to the main plate 10 2 and the train wheel bridge 16 2 Is done.
  • the ankle 142 is supported rotatably with respect to the main plate 102 and the ankle receiver 164.
  • the balance with hairspring 140 is rotatably supported with respect to the main plate 102 and the balance with hairspring 166.
  • the upper bell of the balance 140a is rotatably supported by the balance upper bearing 166a fixed to the balance holder 166.
  • the balance-top bearing 1666a includes a balance-top stone and a balance-top stone. Tophole stones and balance stones are made of insulating material such as ruby.
  • the balance 140 includes a balance 140 a, a balance wheel 140 O b, and a hairspring 144 c.
  • the lower rim of the balance 140a is supported so as to be rotatable with respect to the balance lower bearing 102 fixed to the main plate 102.
  • the balance wheel bearing 102b includes a balance hole stone and a balance stone. Hypothetical stones and balance stones are made of insulating materials such as ruby.
  • the hairspring 140 c is a thin leaf spring having a spiral shape with a plurality of turns.
  • the inner end of the hairspring 140 c is fixed to the beard ball fixed to the balance 140 a, and the outer end of the hairspring 140 c can be rotated to the balance spring 166.
  • the beard holder fixed to the frame is fixed with screws via the beard holder attached to the 166 a.
  • the balance with hairspring 166 is made of a metal conductive material such as brass.
  • Beard support 1 6 6a is made of a conductive material of metal such as iron.
  • the hairspring 140 c expands and contracts in the radial direction of the hairspring 140 c according to the rotation angle of the balance 140.
  • the balance 1 When 40 rotates clockwise, the hairspring 140 c contracts in the direction toward the center of the balance 140, whereas when the balance 140 rotates counterclockwise, The hairspring 140 c extends in a direction away from the center of the balance 140.
  • the hairspring 140c is made of an elastic material having a spring property such as "Erinvar". That is, the hairspring 140c is made of a metal conductive material.
  • the effective length of the hairspring 140c is determined by rotating the slow / fast needle 420 to determine the positions of the beard holder 426 and the beard bar 428.
  • the effective length of the hairspring 140c is determined, the period of the rotational vibration of the balance 140 is determined, and the rate of the mechanical watch is determined.
  • the coils 180, 180a, 180b, and 180c It is mounted on the front surface of the main plate 102 so as to face the main plate side surface of the balance wheel 140b.
  • the number of coils is, for example, four as shown, but may be one, two, three, four or more. Is also good.
  • the balance magnet 140 e is attached to the side of the main plate 140 b so as to face the front surface of the main plate 102.
  • the circumferential distance between the coils is equal to the S-pole and N-pole circles of the balance magnet 140e arranged opposite to the coil. It is preferable that the interval is an integral multiple of the circumferential interval, but it is not necessary that all coils have the same interval in the circumferential direction. Furthermore, in such a configuration having a plurality of coils, it is preferable that the wiring between the coils be wired in series so that the currents generated in the coils due to the electromagnetic induction are not canceled each other. . Alternatively, the wiring between the coils may be wired in parallel so that the currents generated in the coils due to the electromagnetic induction are not canceled each other.
  • the balance magnet 140 e has an annular (ring) shape, and along its circumferential direction, for example, 12 S poles 140 s 1 to 140 s 12 polarized vertically. And twelve N poles 140 n 1 to 140 n 12 are alternately provided.
  • the number of magnets arranged in an annular shape (ring shape) in the balance magnet 140e is 12 in the example shown in FIG.
  • it is preferable that the length of one chord of the magnet part is substantially equal to the outer diameter of one coil provided facing the magnet part.
  • a gap is provided between the balance magnet 140e and the coils 180, 180a, 180b, 180c.
  • the size of the gap STC between the balance magnet 140 e and the coils 180, 180 a, 180 b, 180 c is determined when the coiler 180, 180 a, 180 b, 180 c is conducting. It has been determined that the magnetic force can affect the coils 180, 180a, 180b, 180c.
  • the magnetic force of the balance magnet 140e does not affect the coils 180, 180a, 180b, 180c.
  • the balance magnet 140 e is positioned on the base plate side of the balance wheel 14 Ob such that one surface contacts the ring-shaped rim of the balance wheel 14 Ob and the other surface faces the front surface of the main plate 102. It is fixed by bonding or the like.
  • a first lead wire 182 is provided to connect one terminal of the coiler 180 to the first coil terminal of the IC 212.
  • a second lead wire 184 is provided to connect one terminal of the coil 180 c to the second coil terminal of the IC 212.
  • the thickness of the hairspring 140c (the thickness in the radial direction of the balance with hairspring) is exaggerated, but is, for example, 0.021 mm.
  • the balance magnet 140e has, for example, an outer diameter of about 9 millimeters, an inner diameter of about 7 millimeters, a thickness of about 1 millimeter, and a magnetic flux density of about 0.02 tesla.
  • the coils 180, 180a, 180b, 180c each have, for example, eight turns, and the coil wire diameter is about 25 micrometers.
  • the gap STC between the balance magnet 140e and the coils 180, 180a, 180b, 180c is, for example, about 0.4 mm.
  • a crystal oscillator 210 forms a source oscillation of a circuit for counting time.
  • the IC 212 includes a frequency dividing circuit 214, a modified pulse comparing circuit 216, a waveform modifying circuit 332, a detection signal dividing circuit 334, and an electromagnetic brake actuating circuit 340.
  • the frequency dividing circuit 214 receives an output signal output by the oscillation of the crystal oscillator 210, divides the signal, and outputs a signal relating to time (see (2) in FIG. 6).
  • the waveform correction circuit 332 corrects the waveform of the detection signal output from the rate detector.
  • the detection signal dividing circuit 334 divides the frequency of the corrected detection signal output from the waveform correcting circuit 332.
  • the modified pulse comparison circuit 216 compares the divided signal output from the frequency dividing circuit 214 with the divided detection signal output from the detection signal frequency dividing circuit 334.
  • the electromagnetic brake operation circuit 340 conducts the coils 180, 180a, 180b, 180c in response to the operation timing signal output from the waveform correction circuit 332 based on the signal output from the correction pulse comparison circuit 316.
  • an induced current is generated due to a change in the magnetic flux of the balance magnet 140e. Due to this induced current, a force acting on the balance with hairspring 140 suppresses the rotational movement of the balance with hairspring 140. By this action, a braking force for suppressing the rotation of the balance with hairspring 140 is applied to the balance with hairspring 140, and the swing angle of the balance with hairspring 140 can be reduced.
  • the battery 220 constitutes a power supply for operating the IC 212.
  • the crystal unit 210, the frequency dividing circuit 314 in the IC 212, and the battery 220 constitute a time counting unit for counting time.
  • the train wheel 224 rotates with the mainspring 222 as a power source.
  • the minute hand 226 displays “minute”
  • the hour hand 228 displays "hour”.
  • the minute hand 2 2 6 is fixed to the center wheel & pinion 1 2 4.
  • the second wheel 1 2 4 is configured to make one revolution per hour.
  • the escape wheel 1 330 rotates.
  • the ankle 144 controls the rotation of the escape wheel 130 based on the operation of the balance 140.
  • Ankle detection piezoelectric element 336 is fixed to first pin 102 d of main plate 102. Therefore, the pallet support portion 142 d is configured to contact the pallet detecting piezoelectric element 336. The moment the pallet abutment 1442d hits the pallet detecting piezoelectric element 3336, the pallet detecting piezoelectric element 3336 generates a voltage (see (4) in FIG. 8).
  • the pallet detecting piezoelectric element 336 forms a rate detecting unit 330 for detecting the rotational operation state of the wheel train. Then, when the pallet supporter 142 d hits the pallet detecting piezoelectric element 336, the detection signal is input to the IC 212. Since the balance 140 vibrates at 3 Hertz, the rate detecting section 330 outputs a detection signal at 3 Hertz.
  • the waveform correction circuit 332 is configured to receive the detection signal output by the pallet detecting piezoelectric element 336, shape the waveform thereof, and output the correction signal to the detection signal dividing circuit 3334. You.
  • the detection signal divider 3 3 4 divides the correction signal and divides the correction divided signal by the correction pulse ratio. And output to the comparison circuit 216.
  • the correction pulse comparison circuit 216 has a one-minute period measured by the escapement governor (see (1) in FIG. 6) and a one-minute period measured by the IC 212 (see FIG. 6). (See (2)).
  • the rate detecting unit 330 detects the escapement and speed control device including the escape wheel 130, the ankle 142 and the balance with the balance 140 when the pallet abutment 142d hits the pallet detecting piezoelectric element 336.
  • the detection signal is output to the IC 212. That is, rate detecting section 330 includes pallet fork 142 d and piezoelectric element 336 for pallet detection.
  • the frequency divider 214 divides the frequency of the output signal of 32768 Hertz output by the oscillation of the crystal oscillator 210 and divides the output signal by a period of one minute. It is configured to output the frequency signal to the correction pulse comparison circuit 216.
  • the corrected pulse comparison circuit 216 detects the one-minute period detection signal (see (1) in Fig. 6) measured by the escapement / speed governor and the one-minute period output from the frequency dividing circuit 214 in the IC 212. It is configured to compare the divided signal (see (2) in Fig. 6) and count the difference (see (3) in Fig. 6). This difference is the time to be corrected by adjusting the rate in the mechanical timepiece of the present invention.
  • the electromagnetic brake operation circuit 340 conducts the coils 180, 180a, 180b, 180c based on the signal output from the modified pulse comparison circuit 316.
  • a balance 140 braking force that suppresses rotation of the balance with hairspring 140 is applied to reduce the swing angle of the balance with hairspring 140.
  • the modified pulse comparison circuit 216, the electromagnetic brake operation circuit 340, The balance magnet 140 e and the coils 180, 180 a, 180 b, and 180 c constitute a balance controller for controlling the operation of the balance 140.
  • the balance controller is configured to control the operation of the balance 140, for example, once a minute.
  • the cycle in which the balance controller controls the operation of the balance 140 may be every one vibration of the balance 140.
  • the rate of the mechanical timepiece can be adjusted so as to correspond to the difference shown in (3) of FIG.
  • the waveform correcting circuit 332 becomes the pallet detecting device.
  • the detection signal output from the piezoelectric element 336 is input, the waveform is shaped, and the corrected signal is output to the detection signal dividing circuit 334.
  • the waveform correction circuit 332 receives the detection signal counted by the uncle detection signal counting section, shapes the waveform, and converts the correction signal as shown in (5) of FIG. Output to
  • the detection signal frequency divider circuit 3 3 4 divides the correction signal output from the waveform correction circuit 3 32 by 180 times and converts the corrected frequency-divided signal as shown in (1) of FIG. Output to 6.
  • the corrected pulse comparison circuit 2 16 compares the corrected divided signal output from the corrected pulse comparison circuit 2 16 with the 1-minute frequency-divided signal output from the frequency divider 2 14. And count the difference.
  • the modified pulse comparison circuit 2 16 inputs the signal of (5) in FIG. 8, the timing at which the uncle portion 14 2 d hits the pallet detecting piezoelectric element 3 36 can be determined.
  • the timing of stopping the uncle 14 2 is known. Therefore, the rotation direction in which the balance with hairspring 140 is rotating and the timing of the center of the rotational vibration of the balance with hairspring 140 can be detected from the timing of stopping the ankle 144 as described above.
  • the detection signal frequency dividing circuit 3 3 4 divides the correction signal 180 times and outputs the corrected frequency dividing signal to the corrected pulse comparing circuit 2 16.
  • the corrected pulse comparison circuit 2 16 compares the one-minute cycle measured by the escapement / speed governor with the one-minute cycle measured by the IC 212 to determine whether the watch rate is progressing, or Or, determine if the rate of the clock is slow.
  • the hairspring 140 c expands and contracts in the radial direction of the hairspring 140 c according to the rotation angle of the balance 140. For example, in the state shown in FIG. 2, when the balance 140 rotates clockwise, the hairspring 140 c contracts in the direction toward the center of the balance 140, whereas the balance 140 4 When rotates counterclockwise, the hairspring 140 c expands away from the center of the balance 140.
  • the balance control section 350 of the mechanical timepiece of the present invention controls the rotation of the balance with application of the "Theory of Theory" to thereby control the rotation cycle of the balance with balance. It is configured to change.
  • the balance control section 350 of the mechanical timepiece of the present invention when the rate of the mechanical timepiece is advanced, the balance control section 350 of the mechanical timepiece of the present invention, before the center of the rotational vibration of the balance 140, is adjusted ((5 in FIG. 8). At the timing t1 of), it is configured to brake the rotation of the balance 140. Further, when the rate of the mechanical timepiece is delayed, the balance control section 350 of the mechanical timepiece according to the present invention performs the timing after passing the center of the rotational vibration of the balance 140 (FIG. 8). At the timing of t2 in (5)), the rotation of the balance 140 is braked.
  • the timing at which the electromagnetic brake actuation circuit 340 operates to conduct the coils 180, 180a, 180b, 180c depends on the signal output from the waveform correction circuit 332. Is determined.
  • the duration during which the electromagnetic brake actuation circuit 340 operates to conduct the coils 180, 180a, 180b, and 180c is determined by the modified pulse comparison circuit 216. It is determined based on the output signal. With this configuration, the rotation of the balance with hairspring 140 can be accurately controlled, and the rate of the mechanical timepiece can be accurately adjusted.
  • the mechanical timepiece of the present invention when the rate of the mechanical timepiece is advanced, at a timing before the center of rotation vibration of the balance with hairspring 140 (timing of t1 in (5) of FIG. 8),
  • the coils 180, 180a, 180b, 180c conduct, and the magnetic flux of the balance magnet 140e affects the coils 180, 180a, 180b, 180c.
  • the period of the rotational vibration of the balance with hairspring 140 is reduced by the action of the balance with hairspring 140 e and the coils 180, 180a, 180b, and 180c.
  • the timing after passing the center of the rotational oscillation of the balance 140 (the timing of t 2 in (5) of FIG. 8) )
  • the coils 180, 180a, 180b, and 180c conduct, and the magnetic flux of the balance magnet 140e affects the coils 180, 180a, 180b, and 180c.
  • the period of the rotational oscillation of the balance with hairspring 140 is increased by the action of the balance with hairspring 140e and the coils 180, 180a, 180b, and 180c.
  • the period of the rotational vibration of the balance with hairspring 140 can be efficiently controlled.
  • the value for adjusting the period of the rotational vibration of the balance with hairspring 140 based on the judgment result of the modified pulse comparison circuit 216 is determined in advance by the rate of the mechanical watch and the coils 180, 180a, 180b, and 180c conducting. It is preferable that the relationship with the change in the period of the rotational oscillation of the balance with hairspring 140 due to the induced current generated by the change in the magnetic flux of the balance with hairspring 140e be obtained by experiment and stored in the corrected pulse comparison circuit 216.
  • the rate of a mechanical timepiece can be adjusted with high accuracy.
  • circuits for performing various functions may be configured in the IC.
  • the IC may be a PLA-IC containing programs for performing various operations.
  • an external element such as a resistor, a capacitor, a coil, a diode, and a transistor can be used together with the IC, if necessary.
  • the mechanical timepiece of the present invention is suitable for manufacturing a high-precision mechanical timepiece.
  • the rate of rotation of the balance with hairspring can be controlled using the balance magnet to accurately adjust the rate.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Electromechanical Clocks (AREA)

Abstract

L'invention se rapporte à un dispositif d'horlogerie mécanique comportant un ressort principal, un module de transmission avant et un dispositif régulateur de vitesse et d'échappement/avancement comprenant un balancier annulaire réglé, une roue d'échappement et une ancre. Ledit dispositif comporte également un oscillateur à quartz générant une vibration source, un circuit intégré comprenant une partie conçue pour la division qui reçoit des signaux de sortie provenant de l'oscillation de l'oscillateur à quartz, divise ces signaux et délivre en sortie des signaux relatifs à l'heure, une alimentation en énergie destinée à alimenter le circuit intégré, une partie compteur conçue pour la mesure du temps, une partie de détection de la fréquence conçue pour détecter la fréquence du dispositif d'horlogerie, et une partie de commande du balancier annulaire réglé qui régule la fréquence de l'oscillation rotative du balancier annulaire réglé en fonction des signaux de mesure comptés par la partie de mesure du temps et des signaux d'état fonctionnel indiquant la fréquence détectée par la partie de détection de la fréquence, ce qui permet une régulation précise de la rotation du balancier annulaire réglé et un réglage précis de la fréquence de ce dispositif d'horlogerie.
PCT/JP2000/000678 1999-06-29 2000-02-08 Dispositif d'horlogerie mecanique dote d'un mecanisme de commande a balancier annulaire regle WO2001001204A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PCT/JP1999/003487 WO2000067077A1 (fr) 1999-04-28 1999-06-29 Compteur de temps avec mecanisme de commande d'angle de rotation a balancier annulaire synchronise
JPPCT/JP99/03487 1999-06-29
PCT/JP1999/007290 WO2001048565A1 (fr) 1999-12-24 1999-12-24 Montre mecanique avec unite de commande de rouage
JPPCT/JP99/07290 1999-12-24

Publications (1)

Publication Number Publication Date
WO2001001204A1 true WO2001001204A1 (fr) 2001-01-04

Family

ID=14236107

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/000678 WO2001001204A1 (fr) 1999-06-29 2000-02-08 Dispositif d'horlogerie mecanique dote d'un mecanisme de commande a balancier annulaire regle

Country Status (2)

Country Link
CN (1) CN1348555A (fr)
WO (1) WO2001001204A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005516968A (ja) * 2001-12-29 2005-06-09 ノボ　ノルディスク　アクティーゼルスカブ Ｇｌｐ−１化合物と糖尿病後期合併症モジュレーターの組み合わせ使用
US7641381B2 (en) 2002-07-12 2010-01-05 Gideon Levingston Mechanical oscillator system
US7726872B2 (en) 2003-10-20 2010-06-01 Gideon Levingston Balance wheel, balance spring and other components and assemblies for a mechanical oscillator system and methods of manufacture
US8100579B2 (en) 2006-09-08 2012-01-24 Gideon Levingston Thermally compensating balance wheel
US8333501B2 (en) 2005-05-14 2012-12-18 Carbontime Limited Balance spring, regulated balance wheel assembly and methods of manufacture thereof
JP2018105852A (ja) * 2016-12-23 2018-07-05 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 調速デバイスと関連付けられた機械式発振器を備える時計組立体
JP2019219390A (ja) * 2018-06-19 2019-12-26 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 電気機械式装置によって動作を調節する機械式ムーブメントを備えた計時器
JP2020052047A (ja) * 2018-09-27 2020-04-02 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 機械式発振器の平均周波数を制御するための電子デバイスと関連付けられた機械式発振器を備える計時器アセンブリ
JP2020056784A (ja) * 2018-09-28 2020-04-09 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 操作が電子装置によって制御される機械式ムーブメントを含む計時器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102540861B (zh) * 2012-02-29 2013-08-07 林祥平 手表
CN113605876B (zh) * 2021-08-11 2023-07-18 沧州格锐特钻头有限公司 一种牙轮钻头状态检测方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4626268B1 (fr) * 1968-03-15 1971-07-29
GB1378826A (en) * 1971-12-10 1974-12-27 Dixi Sa Automatic regulating mechanism for time-pieces
US3937001A (en) * 1972-11-21 1976-02-10 Berney Jean Claude Watch movement driven by a spring and regulated by an electronic circuit
US3952497A (en) * 1973-10-24 1976-04-27 Heinz Jauch Method and apparatus for synchronizing andoscillating system which is driven by an energy storage device
US4196579A (en) * 1977-11-02 1980-04-08 Urgos Uhrenfabrik Schwenningen, Haller, Jauch und Pabst GmbH & Co. Mechanically operating pendulum clock with an electronic correcting device
JPS58179379A (ja) * 1982-04-15 1983-10-20 Shiojiri Kogyo Kk 電子時計
JPH04319691A (ja) * 1991-04-19 1992-11-10 Kansei Corp 振り子時計における振り子の振動数調整装置
US5268881A (en) * 1991-03-19 1993-12-07 Harry Wolff Compensator for a mechanical pendulum clock

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4626268B1 (fr) * 1968-03-15 1971-07-29
GB1378826A (en) * 1971-12-10 1974-12-27 Dixi Sa Automatic regulating mechanism for time-pieces
US3937001A (en) * 1972-11-21 1976-02-10 Berney Jean Claude Watch movement driven by a spring and regulated by an electronic circuit
US3952497A (en) * 1973-10-24 1976-04-27 Heinz Jauch Method and apparatus for synchronizing andoscillating system which is driven by an energy storage device
US4196579A (en) * 1977-11-02 1980-04-08 Urgos Uhrenfabrik Schwenningen, Haller, Jauch und Pabst GmbH & Co. Mechanically operating pendulum clock with an electronic correcting device
JPS58179379A (ja) * 1982-04-15 1983-10-20 Shiojiri Kogyo Kk 電子時計
US5268881A (en) * 1991-03-19 1993-12-07 Harry Wolff Compensator for a mechanical pendulum clock
JPH04319691A (ja) * 1991-04-19 1992-11-10 Kansei Corp 振り子時計における振り子の振動数調整装置

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005516968A (ja) * 2001-12-29 2005-06-09 ノボ　ノルディスク　アクティーゼルスカブ Ｇｌｐ−１化合物と糖尿病後期合併症モジュレーターの組み合わせ使用
US7641381B2 (en) 2002-07-12 2010-01-05 Gideon Levingston Mechanical oscillator system
US7726872B2 (en) 2003-10-20 2010-06-01 Gideon Levingston Balance wheel, balance spring and other components and assemblies for a mechanical oscillator system and methods of manufacture
US8333501B2 (en) 2005-05-14 2012-12-18 Carbontime Limited Balance spring, regulated balance wheel assembly and methods of manufacture thereof
US8100579B2 (en) 2006-09-08 2012-01-24 Gideon Levingston Thermally compensating balance wheel
JP2018105852A (ja) * 2016-12-23 2018-07-05 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 調速デバイスと関連付けられた機械式発振器を備える時計組立体
JP2019219390A (ja) * 2018-06-19 2019-12-26 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 電気機械式装置によって動作を調節する機械式ムーブメントを備えた計時器
CN110618596A (zh) * 2018-06-19 2019-12-27 斯沃奇集团研究和开发有限公司 包括通过机电装置调节工作的机械机芯的钟表
CN110618596B (zh) * 2018-06-19 2021-06-18 斯沃奇集团研究和开发有限公司 包括通过机电装置调节工作的机械机芯的钟表
US11599065B2 (en) 2018-06-19 2023-03-07 The Swatch Group Research And Development Ltd Timepiece comprising a mechanical movement wherein the working is regulated by an electromechanical device
JP2020052047A (ja) * 2018-09-27 2020-04-02 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 機械式発振器の平均周波数を制御するための電子デバイスと関連付けられた機械式発振器を備える計時器アセンブリ
JP2020056784A (ja) * 2018-09-28 2020-04-09 ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド 操作が電子装置によって制御される機械式ムーブメントを含む計時器

Also Published As

Publication number Publication date
CN1348555A (zh) 2002-05-08

Similar Documents

Publication Publication Date Title
WO2001048567A1 (fr) Dispositif d'horlogerie mecanique pourvu d'un mecanisme de commande generateur de puissance du balancier annulaire regle
US7891862B2 (en) Electromechanical escapement device and timepiece part utilizing such a device
US20050036405A1 (en) Timepiece having a mechanical movement associated with an electronic regulator
WO2001001204A1 (fr) Dispositif d'horlogerie mecanique dote d'un mecanisme de commande a balancier annulaire regle
US8540417B2 (en) Chronograph timepiece
JP3562817B2 (ja) 姿勢検出装置付き機械式時計
WO2001035171A1 (fr) Piece d'horlogerie mecanique dotee d'un mecanisme de commande de l'angle de rotation du balancier annulaire regle
WO2000067077A1 (fr) Compteur de temps avec mecanisme de commande d'angle de rotation a balancier annulaire synchronise
WO2001065318A1 (fr) Piece d'horlogerie mecanique a element de detection optique et element de freinage
EP1359475A1 (fr) Piece d'horlogerie mecanique a detecteur de position et detecteur de position
WO2001065320A1 (fr) Piece d'horlogerie mecanique a element de detection de posture et element de detection optique de la rotation du balancier annulaire regle
WO2001048566A1 (fr) Horloge mecanique comportant un mecanisme d'actionnement de regulateur
WO2001065319A1 (fr) Piece d'horlogerie mecanique a element de detection a capacite electrostatique et element de freinage
WO2001013064A1 (fr) Detecteur d'orientation
WO2001065321A1 (fr) Element de detection de posture et piece d'horlogerie mecanique a element de detection a capacite electrostatique
EP1109081A1 (fr) Minuteur mecanique a mecanisme de controle de l'angle de rotation a balancier annulaire regle
JP3631767B6 (ja) てんぷ回転角度制御機構付き機械式時計
WO2001035172A1 (fr) Piece d'horlogerie mecanique dotee d'un mecanisme de commande de l'angle de rotation du balancier annulaire regle et comportant des bobines
JP3718634B2 (ja) 姿勢検出装置
WO2001053896A1 (fr) Procede de fabrication d'une montre mecanique
JP2023006243A (ja) 電子時計および電子時計の制御方法
JP2018146396A (ja) 電子時計
JP2016176876A (ja) 電子時計
WO2001009686A1 (fr) Piece d'horlogerie mecanique dotee d'un mecanisme de commande de l'angle de rotation du balancier annulaire regle
JP2011122856A (ja) クロノグラフ時計

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): CN JP SG US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: JP