JP2002318290A - Electronically controlled mechanical clock - Google Patents

Abstract

(57) [Object] To provide an electronically controlled mechanical timepiece capable of easily storing mechanical energy in a mechanical energy source by a predetermined magnetic force supplied from the outside. A predetermined magnetic energy generated by a magnetic generator for charging 2 when driving a generator 10 with a mainspring 20 and winding up a mainspring 20 of an electronically controlled mechanical timepiece for controlling the rotation speed of the generator 10 to be constant. Is received by the electromagnetic coil 12 of the generator 10 and stored in the power storage unit 142 of the power supply circuit 140, and the power stored in the power storage unit 142 is used to rotate the generator 10 as a motor, and Wind up the spring 20 with. As a result, the frequency of the externally supplied magnetic force is increased, the energy transmission efficiency to the electromagnetic coil 12 is improved, and the winding of the mainspring 20 can be performed easily and easily.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronically controlled mechanical device capable of accumulating mechanical energy in a mechanical energy source with a predetermined magnetic force supplied from the outside by using a specially designed magnetic coupler device or the like. About the clock.

[0002]

2. Description of the Related Art Conventionally, quartz oscillators, transistors,
2. Description of the Related Art An electronic timepiece is used in which an electronic clock including an electronic element such as a C and an LSI is used to control a step motor or the like for driving a hand to accurately measure time. Such an electronic timepiece generally employs a primary battery as a power source for an electronic circuit or a step motor, but employs a power storage type power source such as a rechargeable secondary battery or a supercapacitor. Is also used.

For example, a solar watch equipped with a solar cell does not always receive light from the solar cell. Therefore, a solar battery is charged with power generated by the solar cell and stored in the secondary battery. It drives electronic circuits and the like. For this reason, the solar watch can continue to display an accurate time even if it is left in the dark until the power of the secondary battery runs out. In addition, a timepiece with a power generation function equipped with a power generator drives a power generator with a rotating weight that is rotatably provided, charges the supercapacitor with the power generated by the generator, and uses the power stored in the supercapacitor to electronically control the power. It drives circuits and the like. For this reason, the timepiece with a power generation function can continue to display accurate time until the power of the supercapacitor is exhausted, even if the timepiece is left stationary.

[0004] Here, there is known a charging device that can easily charge a power storage type power supply when the power stored in the power storage type power supply as described above is exhausted (Japanese Patent Laid-Open No. 1-23730). The charging device includes an electromagnetically coupled power transmitting coil paired with an electromagnetically coupled power receiving coil provided inside the timepiece, and supplies magnetic force from outside the watch with the electromagnetically coupled power transmitting coil. The induced power generated in
The above-described rechargeable power supply is charged. If such a charging device is used, the charging device and the electronic timepiece are electromagnetically coupled to each other, so that there is no need to electrically connect the charging device and the electronic timepiece, and the electronic timepiece can be easily charged. Can be.

On the other hand, an electronically controlled mechanical timepiece driven by mechanical energy is also used as a timepiece that accurately measures time using a quartz oscillator. This electronically controlled mechanical timepiece has a mainspring capable of storing and releasing mechanical energy, a generator driven by a driving force generated by the mainspring, and a train train mechanically connecting the mainspring and the generator. And a control circuit that operates with electric power from the generator and controls the rotation speed of the rotor of the generator. The wheel train is provided with hands indicating time, so that accurate time measurement can be performed by keeping the rotation speed of the generator rotor at a constant speed. When the mechanical energy stored in the mainspring has run out, the crown provided on the timepiece is manually rotated to wind up the mainspring, thereby accumulating mechanical energy in the mainspring.

[0006]

However, in an electronically controlled mechanical timepiece, mechanical energy is stored in a mechanical energy source such as a mainspring. Therefore, even if a magnetic force is supplied from outside the timepiece, the magnetic force is converted into electric power. And there is a problem that energy cannot be easily stored unlike an electronic timepiece equipped with a power storage type power supply. It is conceivable to apply a rotating magnetic field from the outside to the generator of the electronically controlled mechanical watch, rotate the generator rotor with the rotating magnetic field, and store mechanical energy in the mechanical energy source. When the rotor of the machine is driven, the frequency of the rotating magnetic field for rotating the rotor of the generator is low, and the magnetic force is attenuated before reaching the rotor. Therefore, there is a problem that a large amount of magnetic energy is wasted.

An object of the present invention is to provide an electronically controlled mechanical timepiece that can easily store mechanical energy in a mechanical energy source.

[0008]

A first aspect of the present invention provides a mechanical energy source for storing and supplying mechanical energy, a generator driven by the mechanical energy source to generate power, and the generator. An electronically controlled mechanical timepiece for displaying time by adjusting the rotation speed of the generator, and generating an induced power by receiving an externally supplied magnetic force. An electromagnetic conversion unit, a charging unit charged with the induced power generated by the electromagnetic conversion unit, and a timer driven by the power generated by the generator and controlling the rotation speed of the generator to control a timing operation. The generator is rotated as an electric motor by the induced power charged in the charging means, and mechanical energy is stored in the mechanical energy source by the rotational driving force. And a storing operation control means for controlling the storage operation to be.

In the first aspect of the present invention, the magnetic force supplied from the outside is converted into electric power by the electromagnetic conversion means, the electric power is temporarily stored in the charging means, and the generator is rotated by the electric power stored in the charging means. Since it is driven, there is no need to employ a low-frequency magnetic force that can directly drive the generator as the externally supplied magnetic force. For this reason, by adopting a high-frequency magnetic force having a small attenuation of the magnetic force before reaching the electromagnetic conversion means inside the timepiece, the waste of the magnetic energy is reduced. Further, if the charging means is provided, the power output from the electromagnetic conversion means is rectified into DC and stored in the charging means, and the DC power stored in the charging means is suitable for rotating the generator. If the frequency is converted to AC power or the like, the generator can be driven to rotate efficiently. Moreover, since the electric power stored in the charging means is quickly consumed for rotating the generator, a large-capacity charging means is not required, and even if the charging means is provided inside a small electronically controlled mechanical timepiece, Does not cause any problems. Therefore, the generator can be rotationally driven as an electric motor by a predetermined magnetic force supplied from outside, and mechanical energy can be reliably stored in a mechanical energy source by the rotational driving force, and the mechanical energy can be increased. The operation of accumulating mechanical energy in the source is controlled by the accumulation operation control means, so that the accumulation operation can be performed automatically. Energy can be easily and easily stored.

[0010] In the first aspect of the present invention, it is preferable that the electromagnetic coil provided in the generator also serves as the electromagnetic conversion means. With this configuration, there is no need to separately provide an electromagnetic conversion unit. Even if the electromagnetic conversion unit is provided in a small electronically controlled mechanical timepiece, no problem occurs.
In addition, since the charging means is provided, the electromagnetic conversion means, which is an electromagnetic coil of the generator, performs a power receiving operation of receiving an external magnetic force and converting the power into electric power, and a magnetic field generation operation of generating a magnetic field for rotating the rotor of the generator. It is not necessary to perform the operations at the same time, and it is possible to perform a time-sharing operation in which the time zone for performing the power receiving operation and the time zone for performing the magnetic field generating operation are different. Also, there is no problem in performing the power receiving operation and the magnetic field generating operation.

In the first invention as described above, a power supply circuit is provided for stably supplying the power generated by the generator to the timing operation control means. It is preferable that a power storage means for storing the generated power be provided, and the power storage means also serve as the charging means. In this case, there is no need to separately provide a charging means, and even if the charging means is provided in a small electronically controlled mechanical timepiece, no problem occurs. Further, as described above, since the electric power stored in the charging means is quickly consumed for the rotational driving of the generator, a large-capacity charging means is not required, and the power from the generator is rectified. A smoothing capacitor or the like for absorbing the ripple generated at the time can be employed, and even if the charging means is provided inside the small electronically controlled mechanical timepiece, no problem occurs.

Further, in the above-mentioned first invention, it is preferable that the accumulation operation control means is provided with an internal clock means for grasping an elapsed time. This makes it possible to measure the elapsed time from the start of the storage of mechanical energy in the mechanical energy source. And
Since the time from the start of accumulation of mechanical energy to the time when the mechanical energy source is filled with mechanical energy is a predetermined time corresponding to the capacity of the mechanical energy source, the internal clock means detects the predetermined time, After a predetermined time has elapsed, the accumulation operation can be terminated. As a result, sufficient mechanical energy can be stored in the mechanical energy source, and the storage operation can be continued even though the mechanical energy source is filled with the mechanical energy. Is prevented, and wasteful energy consumption is reduced.

At this time, a time matching time from when the accumulation operation is started to when the time indicated by the time display means, which is reversed by the accumulation operation, coincides with the current time is calculated in advance. It is preferable that the time matching time is stored, and a storage operation ending means for terminating the storage operation after the time matching time elapses from the start of the storage operation is provided. With this configuration, the mechanical energy can be sufficiently accumulated in the mechanical energy source, and when the accumulation operation is completed, the time indicated by the time display means coincides with the current time. This eliminates the need for time adjustment operations. Further, when the accumulation operation is completed, if the operation is automatically switched to the normal operation by the timekeeping operation control means, the timepiece can be used as it is, and the usability of the timepiece can be improved.

In the first aspect of the present invention, it is preferable that the apparatus further comprises a stored energy detecting means for detecting an amount of mechanical energy stored in the mechanical energy source. In this way, the amount of mechanical energy stored in the mechanical energy source is detected,
If the mechanical energy source is full of mechanical energy and it is not necessary to perform the storage operation, unnecessary storage operation is prevented by displaying a message to that effect, and wasteful energy consumption is reduced. Become so.

Here, the time display means indicates the same time at predetermined intervals, and the storage operation control means gives the storage operation control means the A determination means is provided for determining whether or not an amount of mechanical energy capable of continuing the timekeeping operation can be stored in the mechanical energy source over the same time as the cycle. When it is determined that the storage operation cannot be stored in the mechanical energy source, the storage operation control means preferably does not start the storage operation. Explaining the cycle of the time display means, a clock having a date display or a day of the week display or a 24-hour clock has one cycle of 24 hours, and a 12-hour clock without the date display and the day of the week has one cycle of 12 hours. . Here, when the amount of mechanical energy that can be stored in the mechanical energy source is smaller than the amount that can continue the timekeeping operation longer than the cycle of the time display means, it is necessary to store mechanical energy in the mechanical energy source. Not so much, and in this case,
Once the accumulation operation has been started, the mechanical energy source must be filled with mechanical energy and the accumulation operation must be completed before the time indicated by the time display means coincides with the current time. Time adjustment operation must be performed. Therefore, as described above, the accumulation operation is started only when the determination unit determines that an amount of mechanical energy capable of continuing the clocking operation longer than the period of the time display unit can be stored in the mechanical energy source. Then, when the accumulation operation is completed, the time indicated by the time display means always coincides with the current time, so that the time correction operation of the time display means is not required.

Furthermore, in the first invention as described above,
A mainspring is employed as the mechanical energy source, and a winding mechanism is provided for indicating the remaining time of the electronically controlled mechanical timepiece. The winding mechanism includes a solar wheel and a planetary wheel, and the stored energy It is preferable that the detecting means includes a sensor for detecting a rotation angle position of the sun wheel. With this configuration, the amount of mechanical energy accumulated in the mainspring is accurately detected from the rotational angle position of the solar car, and the amount of mechanical energy that can continue the timing operation slightly longer than the cycle of the time display means is obtained. Even when the mechanical energy is stored in the mainspring, it can be determined that the storing operation is possible, and even when the amount of mechanical energy stored in the mainspring is delicate, accurate determination can be performed.

The accumulating operation control means calculates an amount of mechanical energy that can be accumulated in the mainspring based on a signal indicating the rotational angle position of the solar car sent from the sensor. It is desirable that a means for calculating the storable amount be provided. If you do this,
Since the storable amount calculation means calculates the amount of mechanical energy that can be stored in the mainspring, the storage operation time can be set based on the calculation result. For example, in the case of a 12-hour clock without a date display and a day of the week display, if the amount of mechanical energy that can be stored in the mainspring is such that the clock can be driven for 15 hours, the amount that can drive the clock for 12 hours is stored. Can be set as the above-described accumulation operation time, and if the amount of mechanical energy that can be accumulated is an amount that can drive the watch for 40 hours,
The time required to accumulate an amount capable of driving the timepiece for 36 hours can be set as the accumulation operation time. As a result, when the storage operation is completed, the time display means indicates the current time, and the maximum amount of mechanical energy that does not exceed the limit amount of mechanical energy that can be stored in the mainspring is stored in the mainspring.

In the first aspect of the present invention, it is preferable that the mainspring is capable of storing an amount of mechanical energy capable of operating the electronically controlled mechanical timepiece for at least 12 hours. Here, when the capacity of the mainspring is small and the amount of mechanical energy for operating the timepiece for 12 hours or more is accumulated, when the capacity of the mainspring is insufficient, the accumulation operation is started and the generator is driven to wind up the mainspring. The mainspring completely winds up before the time indicated by the time display means coincides with the current time, and the display time of the time display means does not coincide with the current time when the accumulation operation is completed. Therefore, if the capacity of the mainspring is set so that the mechanical energy that can operate the clock for at least 12 hours can be accumulated, the display time of the time display means is set to the current time when the accumulation operation is completed. It is possible to match
The time adjustment operation of the time display means becomes unnecessary.

Further, in the first invention as described above,
The mainspring is housed in a barrel, and connection means for connecting an outer end of the mainspring to an inner surface of the barrel is provided. It is desirable to maintain the connection between the outer end of the mainspring and the inner surface of the barrel, and to release the connection between the outer end of the mainspring and the inner surface of the barrel when a torque greater than a predetermined value is applied. In this way, even if the electronic circuit of the electronically controlled mechanical timepiece malfunctions due to external noise or the like, and the mainspring is completely wound up, the rotation drive of the generator is continued, Since the fixing means releases the connection between the outer end of the mainspring and the inner surface of the barrel, damage to the mainspring due to overwinding is prevented.

At this time, the torque generated by the mainspring in the fully wound state as the fixing means connects the outer end of the mainspring to the inner surface of the barrel by friction, and generates a torque larger than a predetermined value. When added, it is preferable to employ a slipping attachment for releasing the connection between the outer end of the mainspring and the inner surface of the barrel by sliding. By adopting such a slipping attachment, the spring can be prevented from being broken with a simple structure, and the slipping attachment does not become bulky. No problems occur.

Further, in the first aspect of the present invention, at least one of date display means for displaying a date and day display means for displaying a day of the week is provided, and at least one of the date display means and the day of the week display means is driven by date. It is preferable that a date feeding means is provided, and the date feeding means has a reverse rotation preventing mechanism that does not perform the date feeding operation with the rotational driving force in the reverse direction in the accumulation operation. In this way, even if the time displayed by the time display means passes midnight during the accumulation operation, the date and the day of the week are not changed, and the correction operation of the date display means and the day of the week display means becomes unnecessary. From this point, the usability of the watch is improved.

Further, in the first invention as described above,
An external magnetic force detecting means for detecting the externally supplied predetermined magnetic force and, when detecting the external magnetic force, sending a storage operation start signal for starting the storage operation to the storage operation control means may be provided. preferable. In this way, in order to supply a predetermined magnetic force to the electronically controlled mechanical timepiece, a dedicated charging magnetic force generator having a table in which a predetermined magnetic field is formed is prepared, and the table of the charging magnetic force generator is provided. If an electronically controlled mechanical timepiece is placed on top of it, the external magnetic force detection means detects the aforementioned magnetic force, so that the electronically controlled mechanical timepiece can automatically start the power storage operation, Is automatically performed, the user only needs to operate the power switch of the charging magnetic force generator, and mechanical energy can be easily stored in the mechanical energy source.

In the first aspect of the present invention, it is preferable that a power pulse be supplied to the generator so as to rotate the generator as a motor. As described above, if a power pulse is supplied to the generator to rotate the generator, the effective power value of the power supplied to the generator can be adjusted by adjusting the pulse width of the power pulse. Therefore, even if the charging means for supplying power to the generator stores DC power, the DC power, which is the output of the charging means, is appropriately divided by a chopper or the like to be suitable for supplying to the generator. Electric power having an effective value can be obtained, and the rotational drive of the generator can be appropriately performed.

Further, in the above-mentioned first invention, it is preferable that the storage operation control means alternately repeats charging of the charging means and supply of a power pulse to the generator. With this configuration, even when the external magnetic force is converted into electric power by the electromagnetic coil provided in the generator, the charging operation for charging the charging means with the electric power obtained by converting the external magnetic force, and the electric power from the charging means Since the rotating operation of rotating the rotor of the generator with pulses is performed alternately,
The time for storing the electric power in the charging means can be secured, and the electric power can be supplied to the generator after the electric power is sufficiently stored in the charging means. It is also possible to reliably store the mechanical energy in the vehicle.

The second invention of the present invention relates to
A mechanical energy source for storage and supply, and
Generator driven by a static energy source to generate electricity
Comprising time display means operating in conjunction with the generator of the,
The time is displayed by adjusting the rotation speed of the generator.
An electronically controlled mechanical timepiece, wherein the generator generates electricity
Driven by electric power and adjust the rotation speed of the generator
By doing, a timing operation control means for controlling the timing operation,
Power supplied from a hoisting power source separate from the generator
The generator is rotated as an electric motor, and the rotation
The mechanical energy in the mechanical energy source
Storage operation control means for controlling the storage operation to be performed.
It is characterized by that. In the present invention as described above, mechanical
The watch itself stores mechanical energy in the energy source.
Storage of mechanical energy in the mechanical energy source
No need to manually perform
The accumulation of mechanical energy in the
With just one work, you can easily do it. Besides, mechanical
Since the generator is driven by the energy source, the high-speed rotating power
Unlike motives or intermittently rotating step motors,
Almost no driving noise is generated and it is placed in a bedroom or study
A quiet clock perfect for use as a clock or wall clock
Can be realized. Moreover, the mechanical energy of the mechanical energy source
Automatically with a cycle shorter than the time required for energy to run out
Use a clock as well as
Set to perform the accumulation operation at midnight when there are few opportunities to
If the clock does not stop,
Even if a storage operation that does not indicate the time
Does not occur. Here, a commercial power source is used as the power source for winding.
If normal operation is stored in the mechanical energy source
Power from the commercial power supply
However, the clock does not stop, and the timing operation is continued. on the other hand,
When using a battery as a power source for winding, mechanical energy
-Allow time for the mechanical energy of the source to run out.
For example, mechanical energy
If the accumulation operation is performed one day before the energy runs out,
When performing the stacking operation, even if the battery power is exhausted,
Since there is room to replace the pond, indicating that
Before the watch is stopped and the pond is replaced, the accumulation operation is performed.
The clock does not stop and the timekeeping operation continues.
Become so.

In the second aspect of the invention, it is preferable that the accumulation operation control means is provided with an internal clock means for grasping an elapsed time. This makes it possible to measure the elapsed time from the start of accumulation of mechanical energy in the mechanical energy source, as in the first invention. The time from the start of the mechanical energy accumulation to the time when the mechanical energy source is filled with the mechanical energy is a predetermined time corresponding to the capacity of the mechanical energy source. Then, after a predetermined time has elapsed, the accumulation operation can be terminated. As a result, sufficient mechanical energy can be stored in the mechanical energy source, and the storage operation can be continued even though the mechanical energy source is filled with the mechanical energy. Is prevented, and wasteful energy consumption is reduced.

In the above-mentioned second invention, the above-mentioned storage
After the operation is started, it is reversed by the accumulation operation.
Time until the time indicated by the time display means matches the current time
The time coincidence time is calculated in advance, and is stored in the storage operation control means.
Indicates that the time matching time is stored and the
When the time coincidence time has elapsed since the operation started,
Storage operation ending means for ending the storage operation is provided.
Is desirable. In this way, the mechanical energy
Energy sources will have sufficient mechanical energy
When the accumulation operation is completed, the time display
Since the designated time of the column matches the current time, the time display means
This eliminates the need for time adjustment operations. Also, the accumulation operation ends.
Automatically returns to the normal timekeeping operation by the timekeeping operation control means.
If you switch to
And can improve the usability of the watch
You.

Further, in the second invention as described above,
It is preferable that the apparatus further includes a stored energy detecting unit that detects an amount of mechanical energy stored in the mechanical energy source. In this way, since the amount of mechanical energy stored in the mechanical energy source is detected, if the mechanical energy source is full of mechanical energy and it is not necessary to perform the storing operation, , By indicating that, unnecessary accumulation operation is prevented,
Useless energy consumption is reduced.

[0029]

Embodiments of the present invention will be described with reference to the accompanying drawings. 1 and 2 show an electronically controlled mechanical timepiece 1 according to the present invention. This watch 1
Is a generator that generates electric power driven by mechanical energy
10, a mainspring 20 as a mechanical energy source for supplying mechanical energy to the generator 10, a plurality of gears 31 to 35, a wheel train 30 for interconnecting the generator 10 and the mainspring 20, and a power generator. Time display means that operates in conjunction with the machine 10
40 and an electronic circuit 100 configured to include the crystal unit 100A and to control the rotation speed of the generator 10 and the like. The timepiece 1 further includes a winding mechanism 50 for indicating a remaining time of the timepiece 1, that is, a remaining time for which the timepiece 1 can be driven by the mainspring 20, and date display means 60 for displaying the current date. Is provided.

The mainspring 20 accumulates mechanical energy capable of continuously driving the timepiece 1 for 12 hours or more, for example, 50 hours. Fixed to 22. The barrel 21
The barrel wheel 21A that engages with the wheel train 30 is provided on the outer surface. The barrel 22 is fixed to a square wheel 23 for winding up the mainspring 20. In addition, square hole wheel 23
Are engaged with a manual winding mechanism (not shown), an automatic manual winding mechanism, and a kaze for preventing reverse rotation.
The outer end of the mainspring 20 is provided with an engaging claw 20A formed by, for example, folding the outer end portion.

As shown in FIG. 3, the barrel 21 is provided with a slipping attachment 24 which is a sliding attachment plate which frictionally engages with the inner peripheral surface of the barrel 21. On the inner surface of the slipping attachment 24, a spring 20
There is provided a convex locking portion 24A for locking the engaging claw 20A at the outer end. This slipping attachment 24 maintains the connection between the outer end of the mainspring 20 and the inner surface of the barrel 21 against the torque generated by the mainspring 20 in the fully wound state due to frictional engagement, and has a value greater than a predetermined value. When a large torque is applied, it serves as a fixing means that slides to disconnect the outer end of the mainspring 20 from the inner surface of the barrel 21.

The fixing means is not limited to the slipping attachment 24 provided with a convex locking portion 24A for locking the engaging claw 20A at the outer end of the mainspring 20, but as shown in FIG. A slipping attachment 24B formed simply in a strip shape and having an outer end portion of the mainspring 20 fixed by welding, an adhesive, or the like can also be employed.

Returning to FIGS. 1 and 2, the wheel train 30 is a second wheel 31 to a sixth wheel 35 for increasing the rotational driving force of the barrel wheel 21A and transmitting the rotation driving force to the rotor 11 of the generator 10. is there. Second wheel 31
As shown in FIG. 5, a tubular pinion 36 is fixed to the shaft 31A. The cylindrical pinion 36 is engaged with a minute wheel 37 and has a minute hand 41 coupled to a tip 36A thereof. The Hino wheel & pinion 37 transmits the rotational driving force of the center wheel & pinion 31 at a reduced speed to an hour wheel 38 provided coaxially with the center wheel & pinion 31. The hour wheel 38 is configured such that an hour hand 42 is coupled to a tip 38A thereof. A fourth wheel & pinion 33 which engages with a second wheel & pinion via a third & third wheel & pinion 32 has a second hand 43 coupled to its tip 33A. The minute hand 41, the hour hand 42 and the second hand 43 form a time display means 40 for displaying the time together with a dial plate engraved with a numeral indicating the time (not shown).

The hour wheel 38 also transmits a rotational driving force to the date display means 60. Specifically, the hour wheel 38 is
The date transmission wheel 61 which is the first gear forming the date display means 60 is engaged. The date transmission wheel 61 is engaged with the date wheel 62. The date wheel 62 is provided with a lever 64 for rotationally driving a ring-shaped date plate 63 on which a number indicating a date is written. The lever 64 transmits the date to the date plate 63 by transmitting the rotational driving force of the date wheel 62 to the date plate 63 only when the rotation direction of the date wheel 62 is counterclockwise in the drawing, and drives the date plate 63 to rotate. I have. On the other hand, when the rotation direction of the date driving wheel 62 is clockwise in the drawing, the date driving wheel 62 rotates around the shaft 62A of the date driving wheel 62, and no rotational driving force is transmitted from the lever 64 to the date plate 63. . These daily driving cars 61, daily driving cars
A date feeding means for driving the date plate 63 for displaying the date, including the lever 62 and the lever 64, is formed. As described above, this date feeding means uses the rotational driving force in the opposite direction,
It has a reverse rotation preventing mechanism that does not perform the date feeding operation. Such a timepiece 1 is a 12-hour meter,
Although the time display cycle of 41 to 43 is 12 hours, since the date display means 60 is provided, the cycle of the time display means 40 including the date display means 60 is 24 hours.

Returning again to FIGS. 1 and 2, the generator 10
Is formed in a substantially annular shape and includes a stator 13 around which an electromagnetic coil 12 is wound.
This is an AC generator in which a rotor 11 made of a permanent magnet is rotatably provided. Here, the electromagnetic coil 12 also serves as electromagnetic conversion means for generating an induced power by receiving a predetermined magnetic force supplied from the outside. The predetermined magnetic force supplied from the outside is generated by a charging magnetic force generator 2 (shown only in FIG. 2) provided separately from the timepiece 1. The charging magnetic force generator 2 is supplied with electric power from a battery or a commercial power supply, and includes an electromagnetic coil 2A that is magnetically coupled. The frequency of the predetermined magnetic force is significantly higher than the number of rotations of the generator 10 per second. For example, when the generator 10 rotates eight times per second, the frequency of the predetermined magnetic force is set to 100 Hz or more.

Next, the winding mechanism 50 will be described. As shown in FIG. 6, the winding mechanism 50 is engaged with the square wheel 23 and the barrel wheel 21A, and is rotated when the mainspring 20 is tightened, and is rotated when the mainspring 20 is unwound. Barrel car
The difference in movement from 21A, in other words, the remaining time in which the timepiece 1 can be driven is mechanically displayed. As the winding mechanism 50, various structures are known, and an appropriate one may be adopted, and an example thereof will be briefly described below.

The winding mechanism 50 has a winding wheel 51 to which a hand 51A indicating the remaining time in which the timepiece 1 can be driven, a sun wheel 52 for driving the winding wheel 51, a winding wheel 51 and It has a winding intermediate wheel 53 interposed between the sun wheel 52 and the sun wheel 52. The sun wheel 52 is connected to one end of a support shaft 52A. A sun gear (not shown) is connected to the other end of the support shaft 52A. The sun gear rotates integrally with the sun wheel 52.

A second sun wheel 54 and an intermediate planetary gear 55 are provided coaxially on the support shaft 52A. These second
Each of the sun wheel 54 and the planetary intermediate gear 55 is rotatable independently of each other, and is also rotatable separately from the support shaft 52A. The second sun wheel 54 is directly engaged with the barrel wheel 21A. The second sun wheel 54 is provided with a first planet wheel 56 and a second planet wheel 57 that revolve around the support shaft 52A. The first planetary wheel 56 and the second planetary wheel 57 are integrated by a rotating shaft (not shown), and when one rotates, the other also rotates. Of the first planetary wheel 56 and the second planetary wheel 57, the first planetary wheel 56 is engaged with the aforementioned sun gear (not shown). The planetary intermediate gear 55 is engaged with the square wheel 23 via a planetary transmission wheel 58. On the lower surface of the planetary intermediate gear 55 in the figure, a pin (not shown) is provided. The pinion of the planet intermediate gear 55 is engaged with the second planet wheel 57.

The movement (rotation) of the square wheel 23 is determined by the planetary transmission 5
8. The planetary intermediate gear 55, the second planetary wheel 57, the first planetary wheel 56, the sun gear, the sun wheel 52, the winding intermediate wheel 53, and the winding wheel 51 are transmitted in this order to drive the pointer 51A in one direction. It has become. Here, the transmission of the movement from the first planetary wheel 56 to the sun gear is performed by the rotation of the first planetary wheel 56. The movement (rotation) of the barrel car 21A is controlled by the second sun wheel 54, the first
The planet wheel 56, the sun gear, the sun wheel 52, the intermediate winding wheel 53, and the hour wheel 51 are transmitted in this order, and drive the pointer 51A in the direction opposite to the above-described direction. Here, the first planetary car
The transmission of the movement from 56 to the sun gear is performed not by the rotation of the first planetary wheel 56 but by the revolution of the first planetary wheel 56.

The winding mechanism 50 is configured such that when the square wheel 23 and the barrel wheel 21A simultaneously rotate, the first planetary wheel 56 cancels the amount of revolution and the amount of rotation of the first planetary wheel 56 mutually. When a difference in the amount of rotation between the square wheel 23 and the barrel wheel 21A occurs, the pointer 51A is driven. When the rotation speeds of the square wheel 23 and the barrel wheel 21A are the same, the movement transmitted to the sun gear is cancelled, and the hands 51A do not move.

Here, although not shown in FIG. 6, the contact point of the sun wheel 52 of the winding mechanism 50 is closed when the rotation angle position of the sun wheel 52 becomes a predetermined angle or more, and the predetermined angle position A rotation angle detection switch 59 that opens a contact when the value is less than the predetermined value is provided. The rotation angle detection switch 59 is a sensor that forms a stored energy detection unit that detects the amount of mechanical energy stored in the mainspring 20, and the number of installations is set according to the value of mechanical energy to be detected. Is done. For example, when the mainspring 20 in the fully wound state stores mechanical energy for operating the timepiece 1 for 50 hours, the rotation angle detection switch 59 operates when the mainspring 20 stores mechanical energy for 26 hours. Two sensors can be provided, one for detecting the angular position and the other for detecting the angular position when mechanical energy is stored for two hours.

Returning to FIG. 1 and FIG.
Has an integrated circuit 100B in which various circuits are provided in addition to the above-described crystal resonator 100A. As shown in FIG. 2, the integrated circuit 100B includes a quartz oscillator 100A and a clocking operation control means for controlling the rotation speed of the rotor 11 of the generator 10.
101, an accumulating operation effecting means 110 for rotating the generator 10 as an electric motor and accumulating mechanical energy in the mainspring 20 with this rotational driving force, and an operation switching means 130 for switching from one of the clocking operation and the accumulating operation to the other. And a power supply circuit 140 for stably supplying power to the timekeeping operation control means 101 and the accumulation operation effective means 110.

The timekeeping operation control means 101 includes a rotation number detection circuit 102 for detecting the rotation number of the rotor 11 of the generator 10,
Oscillator circuit that emits at the frequency that is the reference for the rotation speed control of 11
103, a frequency dividing circuit 104 for dividing the output signal of the oscillation circuit 103 to generate a reference frequency corresponding to the number of revolutions that the rotor 11 should rotate per second, and flowing to the electromagnetic coil 12 of the generator 10. By adjusting the current, a speed control circuit 105 for adjusting the electromagnetic brake to the rotor 11 and outputting a predetermined operation signal to the speed control circuit 15 for controlling the rotation speed of the rotor 11 to a predetermined rotation speed. And a rotation speed control circuit 106.

The rotational speed detection circuit 102 includes a generator
In addition to detecting the number of revolutions of the rotor 11 based on the AC output voltage output by 10, the number of revolutions of the rotor 11 is sent to the duty ratio control circuit 115. Oscillation circuit 103
Is a device which always performs stable oscillation by the crystal unit 100A and always sends a periodic signal of a constant frequency to the frequency dividing circuit 104. The rotation speed control circuit 106 includes a rotation speed detection circuit 10
2 is compared with the reference frequency signal from the frequency dividing circuit 104, and an operation signal calculated based on the difference is output to the speed control circuit 105. As the operation signal, for example, a rectangular wave voltage signal in which a High state and a Low state are alternately repeated can be employed.
The ratio to the state time, in other words, the duty ratio is increased, whereby the braking force of the electromagnetic brake is increased. As a result, the braking force of the electromagnetic brake is weakened.

The power supply circuit 140 includes a rectifier circuit 141 for converting AC power generated by the generator 10 into DC power, and a power storage means for generating power by the generator 10 and further storing the DC power converted by the rectifier circuit 141. And a power storage unit 142. Here, the power storage unit 142 also serves as a charging unit that is charged with the induced power generated by the electromagnetic coil 12 of the generator 10 by the external magnetic force. The rectifier circuit 141
As for rectification with a diode,
The rectifier using a chopper is preferable because the voltage drop of the elements constituting the rectifier circuit is smaller.

The operation switching means 130 connects the connection with the generator 10 with the timekeeping operation control means 101 and the accumulation operation effective means 110.
By switching from one to the other, the switching operation of the clocking operation and the accumulation operation is performed. The switching command signal output from the accumulation operation control means 120 provided in the accumulation operation execution means 110 is input to the operation switching means 130. The operation switching means 130 performs a switching operation based on the switching command signal.

The accumulation operation execution means 110 is a charging means for switching the connection between the external magnetic force detection means 111 for detecting a predetermined magnetic force supplied from the outside and the generator 10 from one of the input and output of the power supply circuit 140 to the other. It has a discharge switching means 112 and an accumulation operation control means 120 for controlling an accumulation operation for accumulating mechanical energy in the mainspring 20.

When the external magnetic force detecting means 111 detects a predetermined magnetic force externally supplied from the charging magnetic force generating device 2 provided outside the timepiece 1, the external magnetic force detecting means 111 outputs an accumulation operation start signal for starting an accumulation operation. 120. As a method of detecting the magnetic force provided in the external magnetic force detecting means 111, for example, the rotation speed control circuit 106
The operation signal sent to 105 is in the Low state and the generator
When no current is flowing through the ten electromagnetic coils 12, a timing detection control means 101 or the like sends a magnetic force detection pulse to the electromagnetic coil 12, and forms a signal in which the magnetic force detection pulse and the induced voltage due to the external magnetic force are superimposed. It is preferable to adopt a pulse superposition method of detecting an external magnetic force based on whether the signal exceeds a predetermined level. Alternatively, as the magnetic force detection method of the external magnetic force detection means 111, the external magnetic force detection means 111
In addition, a band-pass filter that passes only a frequency of a predetermined magnetic force may be provided, and a frequency discrimination method or the like that detects an external magnetic force based on whether or not a signal of a predetermined level or more is output from the band-pass filter may be adopted.

The charge / discharge switching means 112 is a storage operation control means.
The switching operation is performed based on the power pulse supply command signal output by the power supply circuit 120, while the power pulse supply command signal is being input, the output side contact of the power supply circuit 140 is closed,
The DC power stored in the power storage unit 142 of the power supply circuit 140 is supplied to the generator 10. In other words, the power pulse supply command signal input to the charge / discharge switching means 112 is to be continued for a time corresponding to the pulse width of the power pulse to be supplied to the generator 10. It can be said that 112 generates a power pulse to be supplied to the generator 10. When the power pulse supply command signal is not sent from the accumulation operation control means 120, the charge / discharge switching means 112 closes the contact on the output side of the power supply circuit 140, and the power is received by the electromagnetic coil 12 of the generator 10. The power (AC power) is converted into a direct current rectified by a rectifier circuit 141 and stored in a power storage unit 142.

Here, the accumulation operation control means 120 operates the charge / discharge switching means 112, and the charge / discharge switching means 112 controls the supply of the power pulse to the generator 10 and the charging of the power accumulation unit 142. It is to be repeated alternately. In FIG. 2, the charge / discharge switching means 112 is provided for convenience of explanation.
Of the positive electrode and the negative electrode, only a power pulse having one polarity is supplied to the generator 10.However, in practice, in order to smoothly rotate the generator 10 as an AC motor, the positive It has a function of alternately supplying the pulse and the negative power pulse to the generator 10.

The storage operation control means 120 is formed by an intelligent arithmetic element such as a one-chip microcomputer, and controls the storage operation by various software recorded in an internal storage element. Has become. That is, as shown in FIG. 7, the storage operation control means 120 includes a determination means 121 for determining whether or not mechanical energy can be stored in the mainspring 20, and a mechanical energy that can be additionally stored in the mainspring 20. Storable amount calculating means 122 for calculating the amount, internal time measuring means 123 for grasping the elapsed time, and time matching time from the start of the storing operation to the time indicated by the time display means 40 matching the current time are stored. Stored time coincidence time storage means 124, accumulation operation end means 125 for terminating the accumulation operation when the time coincidence time elapses from the start of the accumulation operation, and operation switching means 130
Operation switching control means 126 for operating the
2 is provided by the above-mentioned software or the like.

The judging means 121 performs the judging operation by receiving the accumulation operation start signal from the external magnetic force detecting means 111. This judging operation is performed by the contact of the rotation angle detecting switch 59 of the winding mechanism 50. Based on the signal (ON-OFF signal), whether or not mechanical energy of an amount capable of continuing the timekeeping operation can be stored in the mainspring 20 over the same time as the cycle of the time display means 40 is determined. For example, the mainspring
If the total accumulated amount of the mechanical energy of 20 is 50 hours in terms of the clocking operation time, and if the remaining mechanical energy of the mainspring 20 is 25 hours, the determining means 121 can perform the accumulation operation. On the other hand, if the remaining mechanical energy of the mainspring 20 is for 40 hours, it is determined that the accumulation operation cannot be performed. When the determining unit 121 determines that the storing operation can be performed, the storable amount calculating unit 122
An accumulation operable signal is transmitted to each of the internal time counting means 123 and the operation switching control means 126.

The time matching time storage means 124 stores a plurality of types of time matching times calculated in advance. Here, the time matching time refers to the time from the start of the accumulation operation until the time indicated by the time display means 40, which is reversed by the accumulation operation, matches the current time. More specifically, assuming that the amount of mechanical energy required to continuously drive the timepiece 1 for one cycle of the time display means 40 is one accumulation unit, the time coincidence time stored in the time coincidence time storage means 124 is as follows. The time required to accumulate an amount of mechanical energy in the spring 20 approximately equal to an integral multiple of one storage unit within a range not exceeding the total amount of mechanical energy stored in the spring 20, and a plurality of values can be selected. Often.

For example, if the total amount of mechanical energy stored in the mainspring 20 is 50 hours in terms of a clocking operation time and one cycle of the time display means 40 is 24 hours, the time coincidence time storage means The time matching time stored in 124 is
Two values of about 24 hours and about 48 hours can be employed.
When one cycle of the time display means 40 is 24 hours, and the hour hand 42 rotates around the dial two times, specifically, 720 degrees in one cycle, the time matching time is stored in T and the mainspring 20. N, the rotation speed (degrees / second) of the normal hour hand 42, and the rotation speed (degrees / second) when the hour hand 42 reversely rotates during the accumulation operation. Assuming that a, the following relationship is established between the time coincidence time T, the number of storage units n, the rotation speed v, and the reverse rotation speed a.

[0055]

## EQU1 ## (720 × n) − (a × T) = v × T

Here, the rotational speed v is 1/120 (degrees / degree).
Second), v = 1/120 is substituted into Expression 1, and Expression 1 is rearranged.
Can be obtained by

[0057]

T = (86400 × n) / (1 + 120 × a)

For example, when the reverse rotation speed of the hour hand 42 is 50
Approximately 48 hours of mechanical energy
If the number of storage units n is to be stored in 20, the storage unit number n is 1 and
2, and the rotation speed a is 5/12 (degrees / second).
Therefore, the time coincidence time T is about 2 when n = 1.
8 minutes (about 1694 seconds) and about 56 minutes when n = 2
(About 3388 seconds).

The storable amount calculating means 122 includes a judging means 121
The calculation operation is performed by receiving the accumulation enable signal from the mainspring 20. The calculation operation is performed by the mainspring 20 based on the contact signal (ON-OFF signal) of the rotation angle detection switch 59 of the winding mechanism 50. The number of storage units of mechanical energy that can be stored is calculated, and a storage unit number signal indicating the calculated storage unit number is sent to the time coincidence time storage means 124. For example, when the total amount of mechanical energy stored in the mainspring 20 is 50 hours in terms of timed operation time, and when the remaining mechanical energy of the mainspring 20 is 25 hours, the storable amount calculating means 122 Calculates "1" as the number of storage units, and sends the calculated number of storage units "1" to the time coincidence time storage means 124. If the remaining mechanical energy of the mainspring 20 is one hour, the storable amount calculating means 122 calculates “2” as the number of storage units, and stores the calculated number of storage units “2” at the time matching time. It is sent to the means 124. Then, the time coincidence time storage unit 12 receiving the accumulation unit number signal
No. 4 outputs a time coincidence time corresponding to the number of storage units indicated by the storage unit number signal to the storage operation ending means 125.

The internal clocking means 123 is provided with
1 is to measure the elapsed time based on the reference frequency transmitted from the frequency dividing circuit 104.
Upon receipt of an accumulation operation end signal from the accumulation operation end means 125 described later, the timer operation ends and the measured value is reset. The elapsed time, which is the measurement result measured by the internal clock means 123, is stored in the storage operation ending means.
125.

The accumulation operation ending means 125 compares the time coincidence time sent from the time coincidence time storage means 124 with the elapsed time sent from the internal clock means 123, and the elapsed time coincides with the time coincidence time. Then, the storable amount calculating means 12
2. An accumulation operation end signal is sent to each of the internal time counting means 123 and the operation switching control means 126.

When the operation switching control means 126 receives the accumulation enable signal from the determination means 121, the operation switching means 130
Is operated to switch the contacts of the operation switching means 130 so that the generator 10 and the timekeeping operation control means 101 are connected, and when the accumulation operation end signal from the accumulation operation end means 125 is received, the operation switching means By operating the switch 130, the contact of the operation switching means 130 is switched so that the generator 10 and the accumulation operation effective means 110 are connected.

The power pulse control means 127 includes a judgment means 121
When the storage enable signal is received from the controller, the power pulse supply command signal is periodically transmitted to the operation switching unit 130,
Upon receiving the accumulation operation end signal from the accumulation operation end means 125, the transmission of the power pulse supply command signal to the operation switching means 130 is ended.

Next, the operation of this embodiment will be described with reference to FIG. However, in the following description, for the sake of convenience of explanation, the total amount of mechanical energy stored in the mainspring 20 is converted into a timed operation time of 50 hours, and one cycle of the time display means 40 is set to 24 hours. Time and the hour hand 42
The present invention is premised on a clock in which the reverse rotation speed of the hour hand is set to 50 times the normal, but the present invention includes a mainspring for 50 hours and time display means of a 24-hour cycle, and the reverse rotation speed of the hour hand is normal. The clock is not limited to a clock set to 50 times.

First, the mainspring 20 of the electronically controlled mechanical timepiece 1 will be described.
Is wound up, the watch 1 starts power generation, and the timekeeping operation is started. When the timekeeping operation is started, the accumulation operation program is also started, and in step S101, the magnetic force detection operation of the external magnetic force detection means 111 is performed.
Proceed to 02. If no external magnetic force is detected in step S102, the process returns to step S101, and steps S101 and S102 are repeated many times until the external magnetic force is detected. When the timepiece 1 is set on a charging table provided in the magnetic force generator 2 for charging, when a predetermined magnetic force reaches the inside of the timepiece 1 and an external magnetic force is detected, step S1 is performed.
From step 02, the process proceeds to step S103, where the remaining mechanical energy K stored in the mainspring 20 is detected, and the process proceeds to step S104.

Step S104 and step S110 described later.
Then, the determination means 20 determines whether or not the accumulation operation is possible based on the remaining amount K of the mechanical energy stored in the mainspring 20. If the accumulation operation is possible, the above-described step is performed. In steps S104 and S111 following S104 and S110, the storable amount calculating means 122 calculates the number of mechanical energy storage units that can be stored in the mainspring 20.

That is, in step S104, it is determined whether or not the remaining mechanical energy K is less than or equal to 2 hours. In step S104, the remaining mechanical energy K is 2 hours.
If it is determined that the time is equal to or less than the time, the process proceeds to step S105. Then, in step S105, the time matching time T is set to 33
It is set to 88 seconds, and thereafter, the process proceeds to step S120. on the other hand,
If the remaining mechanical energy K exceeds 2 hours, the process proceeds to step S110. In step S110, it is determined whether the remaining mechanical energy K is equal to or less than 26 hours. In step S110, the remaining mechanical energy K is determined.
Is less than or equal to 26 hours, step S111
Proceed to. Then, in step S111, the time matching time T is set to 1694 seconds, and thereafter, the process proceeds to step S120.

In step S120, the elapsed time t of the internal timer 123 is reset to "0", and the routine proceeds to step S121. In step S121, the internal timer 123 starts clocking, and proceeds to step S130. In step S130, a power pulse is supplied to the generator 10, and after that,
Proceeding to S131, in step S131, the electric power storage unit 142 is charged by the external magnetic force, and then proceed to step S132. In step S132, the accumulation operation ending means 125
The elapsed time t is compared with the time coincidence time T. If the elapsed time t is less than the time coincidence time T, the process returns to step S130, and steps S130 and S131 are performed again. On the other hand, if the elapsed time t is equal to or longer than the time matching time T in step S132, the process proceeds to step S140. In other words, in steps S130 to S132, the supply of the power pulse to the generator 10 and the charging of the power storage unit 142 by the external magnetic force are repeatedly repeated until the elapsed time t matches the time matching time T. Done.

In step S140, it is determined whether or not the termination process has been performed. If the termination process has not been performed, the process returns to step S101, and the process returns to step S101 until the termination process has been performed.
To S140 are repeated many times. Note that the termination process is preferably performed by connecting a service input tool operated by an adjustment worker or a maintenance worker to the timepiece 1 so that a general user cannot perform the termination process. When it is determined that the termination processing has been performed in step S140,
Only the timing operation is performed until the accumulation operation program ends and the accumulation operation program is started again.

In such an accumulation operation, for example,
As shown in FIG. 9A, when the clock 1 starts the accumulation operation at 9:00 pm when the remaining amount K of the mechanical energy accumulated in the mainspring 20 becomes two hours, the mainspring 20 is started.
The hands 41 to 43 are reversed with the winding, and after about 56 minutes, about 49 hours of mechanical energy are supplied to the mainspring 20.
And the accumulation operation is completed at 9:56 pm. At this time, the hands 41 to 43 display 9:56 pm. During this accumulation operation, the hour hand 42 passes twice at midnight, but the date is not changed by the reverse rotation prevention mechanism of the date display means 60.

As shown in FIG. 9B, the remaining amount K of mechanical energy stored in the mainspring 20 is one.
At 9:00 pm, which is 5 hours, when the watch 1 starts the accumulation operation, the hands 41 to 43 are reversed with the winding of the mainspring 20 in the same manner as described above, and after about 28 minutes, about 38 minutes. 0.5 hours of mechanical energy is stored in the mainspring 20, and the storing operation is completed at 9:28 pm. At this time, the hands 41 to 43 display 9:28 pm. During this accumulation operation, the hour hand 42 passes once at midnight, but the date is not changed by the reverse rotation preventing mechanism of the date display means 60. Further, as shown in FIG.
When the remaining amount K of mechanical energy stored in the power spring 20 is for 40 hours, the amount of mechanical energy that can be stored in the mainspring 20 from now on is less than one storage unit, so that the storage operation is not started.

According to the above-described embodiment, the following effects can be obtained. That is, the electronically controlled mechanical timepiece 1
When the mainspring 20 is wound, a predetermined magnetic force supplied from the outside by the charging magnetic force generator 2 is received by the electromagnetic coil 12 of the generator 10 provided inside the timepiece 1, and the electromagnetic coil 12 generates an induced magnetic force. Rectifies power and stores power in 14
2 and the power stored in the power storage unit 142 is
The generator 10 was rotationally driven as an electric motor, and the mainspring 20 was wound up by this rotational driving force so as to accumulate mechanical energy.As a magnetic force supplied from the outside,
It is not necessary to employ a low-frequency generator that can directly drive the generator 10. For this reason, by adopting a high-frequency magnetic force with a small attenuation of the magnetic force before reaching the electromagnetic coil 12, magnetic energy can be efficiently transmitted from the outside of the timepiece 1 to the inside of the timepiece 1. In addition, a power storage unit 142 is provided, and the power output from the electromagnetic coil 12 is rectified into DC and stored in the power storage unit 142, and the DC power stored in the power storage unit 142 is further converted into a generator.
Since the power pulse is converted into the ten rotating power pulses, the generator 10 can be driven to rotate efficiently. In addition, since the power stored in the power storage unit 142 is rapidly consumed for driving the generator 10, the power storage unit 142 does not need to have a large capacity. Even if it is provided inside, it does not cause any problem. Therefore, the generator 10 can be rotationally driven as an electric motor by a predetermined magnetic force supplied from the outside, and mechanical energy can be reliably stored in the mainspring 20 by this rotational driving force. Since the accumulation operation is controlled by the accumulation operation control means 120, the accumulation operation can be automatically performed, and the mainspring 20 can be wound up easily and easily with a predetermined magnetic force supplied from the outside.

Further, since the external magnetic force is received by the electromagnetic coil 12 provided in the generator 10, it is not necessary to separately provide an electromagnetic conversion means for receiving the external magnetic force. Even if the electromagnetic conversion means is provided in the mechanical timepiece 1, no problem is caused, and a power receiving operation of converting external magnetic force into electric power and a magnetic field generating operation of generating a magnetic field for rotating the rotor 11 of the generator 10 are performed. Need not be performed at the same time, it is possible to perform a time-sharing operation in which the time zone for performing the power receiving operation and the time zone for performing the magnetic field generation operation are different. Even if they are shared, no problem occurs in performing the power receiving operation and the magnetic field generating operation.

Further, since the power converted from the external magnetic force is charged in the power storage unit 142 of the power supply circuit 140 for stably supplying the power generated by the generator 10 to the timekeeping operation control means 101, the external magnetic force There is no need to separately provide a charging means for charging the converted power, and no problem occurs even if the charging means is provided in the small electronically controlled mechanical timepiece 1. Further, as described above, the power stored in the power storage unit 142 is quickly consumed for rotating the generator, so that the power storage unit 142 does not need to have a large capacity, and A smoothing capacitor for absorbing the ripple generated when rectifying the electric power is sufficient. From this point, even if the charging means is provided inside the small electronically controlled mechanical timepiece 1, no problem occurs.

Further, an internal clock means for measuring the elapsed time
Since 123 is provided in the storage operation control means 120 and the elapsed time from the start of the mechanical energy storage in the mainspring 20 is measured, from the start of the mechanical energy storage until the mainspring 20 is filled with the mechanical energy. Is calculated in advance, and when this time has elapsed, the accumulation operation can be automatically terminated. This allows the mainspring
In addition to automatically accumulating sufficient mechanical energy in the spring 20, the energy storage operation is prevented from continuing even though the mainspring 20 is filled with mechanical energy, and wasteful energy is saved. Consumption can be reduced.

A time matching time from when the accumulation operation is started to when the designated time of the hands 41 to 43 reversed by the accumulation operation coincides with the current time is calculated in advance, and the time coincidence time is calculated based on the time coincidence time. The time is stored in the time storage means 124, and when the time coincidence time has elapsed since the start of the accumulation operation, the accumulation operation is ended by the accumulation operation ending means 125.
The mainspring 20 can store enough mechanical energy.
Since the indicated time of 41 to 43 coincides with the current time, the time correction operation is not required, and when the accumulation operation is completed, it automatically switches to the normal timekeeping operation, so that the clock can be used as it is, 1 can improve the usability.

Further, a rotation angle detecting switch 59 is provided as stored energy detecting means for detecting the amount of mechanical energy stored in the mainspring 20, and the mechanical energy source is full of mechanical energy. When it is not necessary to perform the operation, the determination means 121 does not start the accumulation operation based on the signal of the rotation angle detection switch 59, so that wasteful energy consumption can be reduced.

The time display means 40 indicates the same time in a 24-hour cycle.
Based on the detection result, the determination means 121 is provided for determining whether or not the amount of mechanical energy capable of continuing the clocking operation for 24 hours can be stored in the mainspring 20. When the mechanical energy cannot be stored in the mainspring 20, in other words, when it is not necessary to store the mechanical energy in the mainspring 20, the storage operation control unit 120 does not start the storage operation according to the determination of the storage determining unit 121. On the other hand, if the mainspring 20 can store an amount of mechanical energy capable of continuing the timekeeping operation for 24 hours, the storage operation control means 120 starts the storage operation based on the determination of the storage determination means 121. In addition, sufficient mechanical energy can be accumulated, and after the accumulation operation is completed, the time display means 40 can accurately indicate the current time.

Further, in order to display the remaining amount of the mainspring 20, a winding mechanism 50 having a sun wheel and a planet wheel is provided, and a rotation angle detection for detecting a rotation angle position of the sun wheel 52 of the winding mechanism 50 is provided. A switch 59 is provided to accurately detect the amount of mechanical energy stored in the mainspring 20 from the rotational angle position of the sun wheel 52, so that the timekeeping operation is continued slightly longer than the cycle of the time display means 40. Even when the possible amount of mechanical energy is stored in the mainspring 20, it is possible to determine that the storing operation is possible, and even when the amount of mechanical energy stored in the mainspring 20 is delicate, the determination unit 121
Can make an accurate determination.

Further, based on a signal indicating the rotation angle position of the sun wheel 52 sent from the rotation angle detection switch 59,
A storable amount calculating means 122 for calculating the amount of mechanical energy that can be stored in the mainspring 20 is provided.
After calculating the amount of mechanical energy that can be stored in the storage device 20, the storage operation is started. After meeting the conditions, the mainspring 20
The maximum amount of mechanical energy that does not exceed the limit amount of mechanical energy that can be stored in the spring 20 can be stored in the mainspring 20.

Further, the mainspring 20 capable of storing mechanical energy in an amount capable of operating the clock 1 for 12 hours or more, for example, an amount capable of operating the clock 1 continuously for 50 hours.
When the remaining amount of the mainspring 20 is reduced to some extent, for example, when the remaining amount of the mainspring 20 becomes smaller than 26 hours, the mainspring 20 is wound up and the time indicated by the time display means 40 is set. Can be matched with the current time, and the time adjustment operation of the time display means 40 can be reliably eliminated.

Further, with the torque generated by the mainspring 20 in the full winding state, the outer end of the mainspring 20 and the barrel
When the inner surface of the mainspring 21 is connected and a torque larger than a predetermined value is applied, the outer end of the mainspring 20 and the barrel
A slipping attachment 24 is provided to release the connection with the inner surface of the generator 21. Even if the rotation drive of 10 is continued,
The spring 20 can be prevented from being damaged due to overwinding, and the spring 20 can be prevented from being damaged by a simple structure. Moreover, since the slipping attachment 24 is not bulky, it is provided on the small electronically controlled mechanical timepiece 1. However, no problem occurs.

Further, a date display means 60 for displaying a date is provided, and a date rotation means for driving the date display means 60 is provided with a reverse rotation preventing mechanism. Even if the displayed time passes midnight,
Since the date is not changed, the correction operation of the date display means 60 becomes unnecessary, and the usability of the timepiece 1 can be improved from this point as well.

When the charging magnetic force generator 2 detects a predetermined magnetic force supplied from outside the timepiece 1 and detects an external magnetic force, it sends a storage operation start signal to the storage operation control means 120 to start the storage operation. External magnetic force detection means
If the electronically controlled mechanical timepiece 1 is placed on the table of the charging magnetic force generator 2 so that the external magnetic force detecting means 111 detects the charging magnetic force, the power storage operation is automatically started. Therefore, when the mainspring 20 is wound up, the only operation performed by the user is to operate the power switch of the magnetic force generator 2 for charging, and the operation of accumulating mechanical energy in the mainspring 20 can be easily performed.

Further, a charge / discharge switching means 112 for turning on / off the connection between the power storage unit 142 and the generator 10 is provided. The time length of the power pulse supply command signal input to the charge / discharge switching means 112 is determined by the power generation. Since the length according to the pulse width of the power pulse to be supplied to the generator 10, a power pulse having an effective value suitable for supplying to the generator 10 can be obtained, and the rotation drive of the generator 10 can be appropriately performed. It can be carried out.

The operation of the charge / discharge switching means 112 allows
The charging of the power storage unit 142 and the supply of the power pulse to the generator 10 are alternately repeated, and the generator 10 is rotationally driven with an instantaneous power pulse. Power is stored in the power storage unit 142, so that the generator 10 can be reliably driven to rotate. Accumulation of mechanical energy in 20 can also be ensured.

The present invention is not limited to the above embodiments, but includes the following modifications. For example, in the above-described embodiment, the electromagnetic coil provided in the generator is also used as an electromagnetic conversion unit that receives an external magnetic force. Good. However,
If the electromagnetic coil is also used as the electromagnetic conversion means, an effect is obtained that does not hinder miniaturization of the electronically controlled mechanical timepiece.

In the above embodiment, the power storage means provided in the power supply circuit for stably supplying the timekeeping operation control means also serves as the charging means for charging with the power obtained by converting the external magnetic force. Like the conversion means, the charging means may be provided separately from the power storage means of the power supply circuit. However, if the electromagnetic conversion means also serves as the charging means, an effect is obtained that does not hinder the downsizing of the electronically controlled mechanical timepiece.

Further, the accumulation operation ending means compares the time matching time calculated in advance with the elapsed time from the start of the accumulation operation, and if the time coincidence time and the elapsed time match, the accumulation operation is terminated. The rotation angle detector detects the rotation angle position of the hour hand and the minute hand, and outputs digital data indicating the detected rotation angle position, and an internal clock. Based on digital data, the indication time of the time display means is grasped, and when the indication time matches the current time, a pointer indication position detection method for terminating the accumulation operation is adopted, or a counter for counting the number of revolutions of the generator And an internal clock. And a rotation number of the accumulation operation start time, to grasp the time indicated in the time display means, when the instruction time coincides with the current time, may be obtained by employing the generator speed counting back calculation method to terminate the accumulating operation.

As the storable amount calculating means, the rotation angle position of the sun wheel can be detected from a sensor or the like provided on the sun wheel of the winding mechanism, and can be stored in the mainspring based on the rotation angle position of the sun wheel. Not only the one that calculates the amount of mechanical energy, but also a full winding detection switch that detects that the mainspring is in the full winding state, and an operating time measuring unit that measures the operating time from the full winding state, The amount of mechanical energy that can be stored in the mainspring may be calculated from the operation time from the winding state.

Further, the clock is not limited to the one having only the date display means, but may be the one having both the date display means and the day of the week display, or the one having both the date display means and the day of the week display omitted. . If both the date display means and the day of the week display means are omitted, when the clock is a 12-hour clock, 12 hours are the cycle of the time display means.

Further, the timepiece is not limited to the one provided with the stored energy detecting means, and may be one without the stored energy detecting means. If the stored energy detecting means is omitted, a slipping attachment may be provided in the barrel storing the mainspring, and even if the winding of the mainspring is completed before the time indicated by the time display means coincides with the current time, the mainspring can be used. The effect that breakage is prevented and the mainspring can be easily wound can be achieved.

Further, the clock may be one that performs an accumulation operation until the time indicated by the time display means coincides with the current time even when the mainspring is in the full winding state. Even in such a timepiece, if a slipping attachment is provided in a barrel storing the mainspring, it is possible to prevent the mainspring from being damaged and to easily wind the mainspring.

As a timepiece, an externally supplied magnetic force is converted into an induced power by electromagnetic conversion means, the converted induced power is charged in a charging means, and the charged induced power is used to drive the generator as a motor to rotate. By doing so, not only the one that performs the accumulation operation, but a hoisting power supply separate from the generator, for example,
A power source of a power company that supplies commercial power, or a power source that rotates a generator as an electric motor with power supplied from a battery may be used. According to such a timepiece, the following effects can be obtained. In other words, since the watch itself stores mechanical energy in the mechanical energy source, there is no need to manually perform the operation of storing mechanical energy in the mechanical energy source, and the mechanical energy is stored in the mechanical energy source. Accumulation can be easily performed by, for example, one switch operation. In addition, since the generator is driven by a mechanical energy source, unlike a motor that rotates at high speed or a step motor that rotates intermittently, there is almost no drive noise, and a table clock or wall clock installed in a bedroom, study, etc. It is possible to realize a quiet watch that is ideal for use as a watch. In addition, the storage operation should be performed automatically at a shorter period than the time required for the mechanical energy of the mechanical energy source to run out, and the storage operation should be performed at midnight when there is little opportunity to use the clock. Thus, the stop of the clock can be prevented beforehand, and even if an accumulation operation in which the clock cannot indicate the current time is performed, no substantial inconvenience is caused. When a commercial power supply is used as a hoisting power supply, the normal operation is performed using the mechanical energy stored in the mechanical energy source. Can be continued, and the time adjustment after the restoration of the commercial power supply can be eliminated. Furthermore, when a battery is used as a power source for winding, a sufficient time is allowed for the mechanical energy of the mechanical energy source to run out so that the storage operation is performed, for example, one day before the mechanical energy runs out. If the operation is performed, when performing the storage operation, even if the battery power is exhausted, there is room to replace the battery, so if this is displayed, the battery is replaced Then, the accumulation operation is performed, the clock does not stop, the clock operation can be continued, and the time adjustment after battery replacement can be eliminated.

Further, as described above, a clock that drives a generator as a motor and stores mechanical energy in a mechanical energy source such as a mainspring by the driving force of the generator receives a standard time radio wave, A device having a time correction function of correcting the time based on the standard time data included in the standard time radio wave can also be employed. In a timepiece having such a time correction function, an antenna for receiving a standard time radio wave is also used as an electromagnetic coil of a generator, and standard time data is extracted from the standard time radio wave received by the electromagnetic coil. The use of the standard time data makes it possible to correct the time of the time display means during the accumulation operation. More specifically, a rotation angle detector that detects the rotation angle positions of the hour hand, minute hand, and second hand and outputs digital data indicating the detected rotation angle position, and an hour hand, minute hand based on the digital data of the rotation angle detector A clock is provided with an instruction time detecting means for detecting the time indicated by the second hand, and the reception of the standard time radio wave and the extraction of the standard time data are started a predetermined time before the accumulation operation is completed, for example, several tens of seconds before. When the time indicated by the hour hand, minute hand and second hand of the clock matches the time indicated by the standard time data, the accumulation operation is terminated, so that the clock can be operated with the correct time and the normal timekeeping. The operation shifts to the operation, and the accumulation operation and the time adjustment operation are performed simultaneously. Here, the frequency of the standard time radio wave is on the order of megahertz,
The external magnetic force for charging generated by the magnetic force generator for charging is on the order of several hundred hertz, and the standard time radio wave is a radio signal having a frequency significantly higher than the external magnetic force for charging. Discrimination from the external magnetic force can be easily performed by a filter or the like, and the standard time radio wave can be received while the external magnetic force is being received, even when the electromagnetic coil of the generator also serves as the receiving antenna.

[0096]

As described above, according to the present invention, mechanical energy can be easily stored in a mechanical energy source by a predetermined magnetic force supplied from the outside.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a schematic configuration of an embodiment of the present invention.

FIG. 2 is a block diagram showing a schematic configuration of the embodiment.

FIG. 3 is a plan view showing a slipping attachment according to the embodiment.

FIG. 4 is a plan view showing another slipping attachment according to the embodiment.

FIG. 5 is a perspective view showing a date display unit according to the embodiment.

FIG. 6 is a perspective view showing a winding mechanism according to the embodiment.

FIG. 7 is a block diagram showing a storage operation control unit according to the embodiment.

FIG. 8 is a flowchart for explaining the operation of the embodiment.

FIG. 9 is a schematic diagram for explaining the operation of the embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Electronically controlled mechanical clock 10 Generator 12 Electromagnetic coil 20 Spring as a mechanical energy source 21 Incense box 24 Slipping attachment as connecting means 24B Slipping attachment as connecting means 40 Time display means 50 Winding mechanism 52 Solar car 56 Planetary car 57 Planetary car 59 Rotation angle detection switch as sensor of stored energy detection means 60 Date display means 101 Timekeeping operation control means 111 External magnetic force detection means 120 Storage operation control means 121 Judgment means 123 Internal timekeeping means 125 Storage operation end means 140 Power supply circuit 142 Power storage unit as power storage means 122 Storage capacity calculation means

Claims (20)

[Claims] A mechanical energy source for accumulating and supplying mechanical energy, a generator driven by the mechanical energy source to generate power, and a time display unit operating in conjunction with the generator. An electronically controlled mechanical timepiece for displaying time by adjusting the rotation speed of the generator, wherein the electromagnetic conversion means generates an induced electric power by receiving an externally supplied magnetic force. A charging unit that is charged with the induced power, a time operation control unit that controls a time operation by driving with the electric power generated by the generator and adjusts a rotation speed of the generator, and charges the charging unit. An accumulating operation for controlling the accumulating operation of accumulating mechanical energy in the mechanical energy source by rotating the generator as an electric motor with the generated induced power and by using the rotational driving force. Electronically controlled mechanical timepiece, characterized in that it comprises a control means. 2. The electronically controlled mechanical timepiece according to claim 1, wherein an electromagnetic coil provided in said generator also serves as said electromagnetic conversion means. 3. The electronically controlled mechanical timepiece according to claim 1, further comprising a power supply circuit for stably supplying the power generated by the generator to the clocking operation control means. An electronically controlled mechanical timepiece is provided with power storage means for storing power generated by the generator, and the power storage means also serves as the charging means. 4. An electronically controlled mechanical timepiece according to claim 1, wherein said accumulation operation control means is provided with an internal timekeeping means for grasping an elapsed time. An electronically controlled mechanical clock. 5. The electronically controlled mechanical timepiece according to claim 4, wherein the time coincidence from the start of the accumulation operation until the time indicated by the time display means reversed by the accumulation operation coincides with the current time. A time is calculated in advance, and the accumulation operation control means stores the time coincidence time, and terminates the accumulation operation when the time coincidence time elapses after starting the accumulation operation. An electronically controlled mechanical timepiece, comprising: 6. An electronically controlled mechanical timepiece according to claim 1, further comprising a stored energy detecting means for detecting an amount of mechanical energy stored in said mechanical energy source. An electronically controlled mechanical timepiece. 7. An electronically controlled mechanical timepiece according to claim 6, wherein said time display means indicates the same time at predetermined intervals, and said storage operation control means includes means for detecting said stored energy. Based on the detection result of the means, for the same time as the cycle of the time display means, determining means for determining whether an amount of mechanical energy capable of continuing the timekeeping operation can be stored in the mechanical energy source is provided. If the determining means determines that the sustainable amount of mechanical energy cannot be stored in the mechanical energy source, the storing operation control means does not start the storing operation. Electronically controlled mechanical clock. 8. The electronically controlled mechanical timepiece according to claim 6, wherein a mainspring is adopted as the mechanical energy source, and a winding mechanism for indicating a remaining time of the electronically controlled mechanical timepiece. Wherein the winding mechanism includes a sun wheel and a planet wheel, and the stored energy detecting means includes a sensor for detecting a rotation angle position of the sun wheel. Controlled mechanical clock. 9. The electronically controlled mechanical timepiece according to claim 8, wherein the accumulating operation control means transmits the signal to the mainspring based on a signal indicating the rotation angle position of the sun wheel sent from the sensor. An electronically controlled mechanical timepiece provided with a storable amount calculating means for calculating an amount of mechanical energy that can be stored. 10. The electronically controlled mechanical timepiece according to claim 8, wherein the mainspring can store an amount of mechanical energy capable of operating the electronically controlled mechanical timepiece for at least 12 hours. An electronically controlled mechanical timepiece characterized by the following. 11. The electronically controlled mechanical timepiece according to claim 8, wherein the mainspring comprises:
A connecting means is provided which is housed in a barrel and connects the outer end of the mainspring to the inner surface of the barrel. An electronically controlled type wherein the connection between the outer end of the mainspring and the inner surface of the barrel is released when a torque larger than a predetermined value is applied while maintaining the connection between the spring and the inner surface of the barrel. Mechanical clock. 12. The electronically controlled mechanical timepiece according to claim 11, wherein the fixing means includes a torque generated by the mainspring in a fully-wound state, and an outer end of the mainspring and an inner surface of the barrel due to friction. And a slipping attachment for releasing the connection between the outer end of the mainspring and the inner surface of the barrel by slipping when a torque greater than a predetermined value is applied. clock. 13. The electronically controlled mechanical timepiece according to claim 1, further comprising at least one of date display means for displaying a date and day display means for displaying a day of the week. And a date feeding means for driving at least one of the day display means is provided with a date feeding means, and the date feeding means has a reverse rotation preventing mechanism which does not perform the date feeding operation with a rotational driving force in the reverse direction in the accumulation operation. An electronically controlled mechanical clock characterized by the following. 14. An electronically controlled mechanical timepiece according to claim 1, wherein said predetermined magnetic force supplied from outside is detected, and when said external magnetic force is detected, said accumulation operation is started. An electronically controlled mechanical timepiece provided with an external magnetic force detecting means for sending a storage operation start signal to the storage operation control means. 15. An electronically controlled mechanical timepiece according to claim 1, wherein a power pulse is supplied to said generator so as to rotate said generator as an electric motor. An electronically controlled mechanical timepiece characterized by the following. 16. An electronically controlled mechanical timepiece according to claim 15, wherein said accumulation operation control means alternately repeats charging of said charging means and supply of a power pulse to said generator. An electronically controlled mechanical timepiece characterized by the following. 17. A mechanical energy source for accumulating and supplying mechanical energy, a generator driven by the mechanical energy source to generate power, and time display means operating in conjunction with the generator, An electronically controlled mechanical timepiece that displays time by adjusting the rotation speed of the generator, and is driven by electric power generated by the generator and measures time by adjusting the rotation speed of the generator. A time-measuring operation control means for controlling an operation, and the generator is rotated as an electric motor by electric power supplied from a hoisting power supply different from the generator, and the mechanical energy source is mechanically driven by the rotational driving force. An electronically controlled mechanical timepiece comprising: a storage operation control means for controlling a storage operation for storing energy. 18. An electronically controlled mechanical timepiece according to claim 17, wherein said accumulation operation control means is provided with an internal timekeeping means for ascertaining an elapsed time. clock. 19. An electronically controlled mechanical timepiece according to claim 17, wherein, after starting the accumulation operation, the time indicated by the time display means, which is reversed by the accumulation operation, matches the current time. The time matching time is calculated in advance, and the accumulation operation control means stores the time matching time, and terminates the accumulation operation when the time matching time elapses after starting the accumulation operation. An electronically controlled mechanical timepiece comprising a storage operation ending means. 20. An electronically controlled mechanical timepiece according to claim 17, further comprising a stored energy detecting means for detecting an amount of mechanical energy stored in said mechanical energy source. An electronically controlled mechanical timepiece.