JP2001074865A - Electronic watch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make an electronic watch smaller and thinner by flatly overlapping a power-generation train wheel at the lower part of an oscillating weight receive, and a circuit board. SOLUTION: A power-generation rotor transmission wheel 25 is arranged at the upper part of a train wheel bridge 13 arranged at the upper part of a generation stator 28, and a generation coil 29 is flatly overlapped to the generation rotor transmission wheel 25 and the train wheel bridge 13. A shaft part at the lower side of the generation rotor transmission wheel 25 penetrates through a generation stator 28, or is arranged near the side. The shape of a hole where the shaft part of generation rotor transmission wheel 25 of the train wheel bridge 13 penetrates through is similar to the through hole of the generation stator 28, and a slope shape is provided at the gear side of the generation rotor transmission wheel 25. Then, in the generation stator 28, a bend is provided in the vicinity of a contact fixed part with the generation coil 29, and, furthermore, a thin shape by flat working and rolling is provided at a side opposite to the contact surface of the generation coil 29, thus the size of the circuit board is made larger, roundabout routing of the pattern, and free layout of an electric element are made possible.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an analog electronic timepiece, and more particularly to an analog electronic timepiece that generates power by using kinetic energy generated by a user's operation and charges a secondary power supply. In particular, the present invention relates to the arrangement of components of an analog electronic timepiece and a structure for preventing a tilt of a wheel.

[0002]

2. Description of the Related Art Conventional analog electronic watches are disclosed in
As disclosed in Japanese Patent Application Laid-Open No. 2-49785, a self-winding power generation timepiece is disclosed in which a small generator generates power by the movement of a rotary weight, charges the secondary power supply, and drives the timepiece with the energy.

In this conventional example, a small generator section is arranged such that different functional sections such as a watch wheel train section and a circuit section are independent in a plane. In the case where it is difficult to easily engage the bearing portion such as a train wheel, a dowel for preventing inclination is provided on the main plate.
Further, in order to prevent disconnection of the coil, it has not been superimposed two-dimensionally with driving parts such as gears.

Further, analog electronic timepieces are disclosed in
As disclosed in JP-A-6-107773 and JP-A-6-22989, a device has been invented in which the timepiece can be made thinner by crushing the stator and the magnetic core.

The electromagnetic core around which the generating coil is wound has a double-layer magnetic core structure having the same shape as the upper and lower parts in order to reduce the eddy current loss in proportion to the square of the plate thickness. Is going.

[0006]

However, the following problems arise when attempting to reduce the size and thickness of a timepiece.

As described above, in order to carry the analog electronic timepiece with a small generator and keep it running, and to provide a margin for energy storage, reduce the motor power consumption as much as possible and increase the generated power as much as possible. However, it is necessary to secure more power generation than consumption. For this reason, the timepiece coil, the rotary weight, the power generation coil, and the like need to have a size that satisfies the performance, and the proportion of the movement volume becomes large, which imposes restrictions on the size and arrangement of other parts. The circuit unit is a component in which an electric element such as an IC or a crystal is mounted on a circuit board, and it is necessary to secure at least the size of the electric element, and at least the outer size of the conductive part, the pattern part, the fixed part, and the like.

[0008] The power train is superimposed on other parts except the main plate in a plan view, so that a dowel for preventing the inclination from the main plate cannot be provided, and assemblability becomes very difficult. Further, a structure for preventing disconnection of the coil by overlapping the power generation wheel train and the power generation coil is required.

In the contact and fixing portion between the power generation stator and the power generation coil, the total thickness of the ground plate, the power generation stator, the electromagnetic core, and the screws cannot be suppressed below the total thickness.

[0010] The analog electronic timepiece of the present invention solves such a problem.
An object of the present invention is to realize a further smaller and thinner analog electronic timepiece having a generator.

[0011]

In order to achieve the above-mentioned object, the invention according to claim 1 is provided as a power generating means, which is rotatably mounted and converts a kinetic energy generated by a user's operation into a rotary motion. A weight, a power train that transmits the rotational motion of the rotary weight, a power generating rotor that is driven to rotate by the transmitted rotary motion, and a magnetic flux from the power generating rotor that flows to a power generating coil, and a magnetic field is generated together with the power generating rotor and the power generating coil. A generator that outputs a charging voltage as electric energy for charging from the power generation coil by rotation of the power generation stator and the power generation rotor that form a circuit, a rotary weight receiver that supports the rotary weight, and is located near the center of the movement. A clock wheel train, and a train wheel bridge supporting the watch train wheel, wherein the power train wheel located below the rotary weight receiver in the power train wheel; Characterized by being arranged to overlap in plan view.

According to a second aspect of the present invention, in the analog electronic timepiece according to the first aspect, a lower shaft portion of the power generation wheel train passes through the power generation stator.

According to a third aspect of the present invention, in the analog electronic timepiece according to the second aspect, a relief hole diameter of a lower shaft portion of the power generation stator and the wheel train receiver of the power generation wheel train is approximated.

According to a fourth aspect of the present invention, in the analog electronic timepiece according to the third aspect, a periphery of the relief hole of the train wheel bridge is formed in a slope shape.

According to a fifth aspect of the present invention, in the analog electronic timepiece according to the first aspect, the wheel train bridge is disposed so as to be planarly overlapped with the power generating coil.

According to a sixth aspect of the present invention, there is provided a rotating weight which is rotatably mounted as a power generating means and converts kinetic energy generated by a user's operation into a rotating motion, and a power generating means for transmitting the rotating motion of the rotating weight. A train wheel, a power generation rotor that is rotationally driven by the transmitted rotational motion, a magnetic flux from the power generation rotor flowing to a power generation coil, and a power generation rotor, a power generation stator that forms a magnetic circuit with the power generation coil, and rotation of the power generation rotor. It has a generator which outputs a charging voltage as electric energy for charging from the power generation coil, wherein the electromagnetic core around which the power generation coil is wound has a multilayer structure, and the shape of the magnetic core differs between upper and lower layers. And

According to a seventh aspect of the present invention, in the analog electronic timepiece according to the sixth aspect, only the upper electromagnetic core is arranged so as to overlap the power generating stator in a plane.

According to an eighth aspect of the present invention, in the analog electronic timepiece of the sixth aspect, the upper and lower layers have the same core shape at least in the coil winding portion.

According to a ninth aspect of the present invention, in the analog electronic timepiece of the eighth aspect, the coil frame for preventing the winding of the power generating coil from being disturbed can be determined in the longitudinal direction of the coil only by the magnetic core shape of one layer. Features.

According to a tenth aspect of the present invention, there is provided a magnetic core, a coil wound around the magnetic core, a stator formed of at least one or more parts, and the stator is rotatably connected to the magnetic core through a gap. An analog electronic timepiece having at least one or more step motors including a rotor arranged so as to be capable of having a holding member for holding the step motor on a side opposite to a magnetic core with respect to the stator,
The contact surface between the stator and the holding member may be located at the same level as or lower than the lower surface of the stator near the rotor.

According to an eleventh aspect of the present invention, in the analog electronic timepiece according to the tenth aspect, the eroded portion between the stator and the holding member and the stator at an intermediate portion near the rotor are located at the lowest position. It is characterized by.

According to a twelfth aspect of the present invention, there is provided a rotating weight which is rotatably mounted as power generating means and converts kinetic energy generated by a user's operation into rotary motion, and a power generating means for transmitting the rotary motion of the rotary weight. A train wheel, a power generation rotor that is rotationally driven by the transmitted rotational motion, a magnetic flux from the power generation rotor flowing to a power generation coil, and a power generation rotor, a power generation stator that forms a magnetic circuit with the power generation coil, and rotation of the power generation rotor. A generator that outputs a charging voltage as electric energy for charging from the power generating coil, a rotary weight receiver that supports the rotary weight, an IC, a circuit board on which a crystal and the like are mounted, and in the power generation wheel train, The power generation wheel train located below the rotary weight receiver and the circuit board are superimposed two-dimensionally.

[0023]

1 and 2 are plan views of an embodiment of the present invention.
3 and 4 show sectional views of the assembly.

In the figure, 1 is a main plate serving as a base of the movement, 2 is a watch coil, 3 is a stator, and 4 is a rotor. The rotation of the rotor 4 is transmitted to the fourth wheel 7, the third wheel 8, the second wheel 9, the minute wheel 10, and the hour wheel 11 via the fifth wheel 5. In addition, the minute wheel 10 meshes with a small iron wheel 12. These wheel train groups are supported by a wheel train receiver 13.

The one-weight rotary weight 20 is fixed to a ball bearing 22 fixed to a rotary weight receiver 21 by a rotary weight screw 23. Below the oscillating weight 20 is a oscillating weight wheel 24, which is similarly fixed. The oscillating wheel 24 is a kana part 2
The gear portion 25b meshes with the pinion of the power generation rotor transmission wheel 25 having the gear portion 25b, and the gear portion 25b meshes with the pinion 26a of the power generation rotor 26 to transmit the rotation of the rotary weight. The train wheel from the oscillating wheel 24 to the generator rotor 26 is 30 to 2
The speed is increased to about 00 times, and the rotation of the rotary weight 20 causes the power generation rotor 26 to rotate at high speed. The speed increase ratio can be freely set depending on the performance of the generator and the specifications of the timepiece.

In the power train, the power generation rotor transmission wheel 25
Are arranged above the train wheel bridge 13 arranged above the power generation stator 28. That is, a small gap is provided so as not to be in contact with the gear portion of the power generation rotor transmission wheel 25 during power generation rotation, the inclination of the power generation rotor transmission wheel 25 is prevented, and the upper shaft of the power generation rotor transmission wheel 25 is supported. This is for improving the assemblability of the rotary weight receiver 21.

The power generating coil 29 is planarly overlapped with the power generating rotor transmission wheel 25 and the train wheel bridge 13. This is achieved by the train wheel bridge 13 and the generator rotor transmission wheel 25 as described above.
This is to prevent inclination of the power generation rotor transmission gear 25 and disconnection between the gear portion of the power generation rotor transmission wheel 25 and the power generation coil 29.

The lower shaft portion of the power generation rotor transmission wheel 25 passes through the power generation stator 28 or
It is arranged near the aide. The shape of the hole through which the shaft portion of the power generation rotor transmission wheel 25 of the train wheel bridge 13 penetrates is similar to the through hole of the power generation stator 28, and a slope is provided on the gear side of the power generation rotor transmission wheel 25. This is the generator stator 28
Forms a magnetic circuit with the power generation rotor 26 and the power generation coil 29, and the amount of magnetic flux linkage to the power generation coil 29 is
Since it is determined by the minimum saturation magnetic flux amount of the magnetic circuit cross section, it is necessary to secure a sufficient cross-sectional area in the magnetic circuit so that the magnetic flux passes without resistance and without leakage, and it is desired to make the through hole of the power generation stator 28 as small as possible. Therefore, it is difficult to incorporate the power generation rotor transmission wheel 25 into the through hole of the power generation stator 28. As a solution to this problem, the present invention provides a train wheel train 13 with a slope and a generator rotor transmission wheel 25.
This facilitates picking-up of the shaft part, and improves assemblability. or,
In this example, since the power generation coil 29 and the shaft portion of the power generation rotor transmission wheel 25 are close to each other, there is a possibility that the power generation coil 29 may hit the shaft portion and break when assembled. To prevent this disconnection, the train wheel bridge 13
Is arranged to cover the upper part of the power generation coil 29.

The hole shape in which the power generation rotor 26 of the train wheel bridge 13 is incorporated is a hole larger than the outermost diameter of the power generation rotor 26. This is because, in the present invention, as described above, the train wheel bridge 13 is disposed below the power generation rotor transmission wheel 25, and the power generation rotor 2 meshes with the power generation rotor transmission wheel 25 gear as shown in FIG.
This is because the sixth kana is smaller than the magnet diameter, so that the order of assembling the movement is the order of the train wheel bridge 13, the power generation rotor 26, and the power generation rotor transmission wheel 25.

Since the permanent magnet 27 is fixed to the power generation rotor 26, a magnetic flux having a different direction flows through the power generation stator 28 and flows to the power generation coil 29 every time it rotates, and an induced voltage is generated in the coil. The end of the power generation coil 29 is connected to the pattern of the coil lead board 39 and set screws 44
, And is in pressure contact with the circuit board 37 via the circuit holding plate 38, and is electrically connected to the circuit. Generator coil 29 and generator stator 28
Are pressed by set screws 46 and 47 to form a magnetic path.

As shown in FIG. 4, the generator stator 28 is provided with a bent portion in the vicinity of the fixed portion and the contact with the generator coil 29, and a thin-walled shape such as sali- ing or rolling on the side opposite to the contact surface of the generator coil 29. Is provided. In addition, the power generation coil 2
9, the contact surface of the power generation stator 28, which is contacted and fixed with the ground plate 1 (hereinafter referred to as the lower surface of the power generation stator 28 fixing portion), is the same as or lower than the lower surface in the vicinity of the power generation rotor 26. .

However, in the claims relating to this arrangement, the motor is constituted by the stator of the step motor, but since the structure is basically the same, the description will be made with the generator stator of the generator. This is because adopting a bearing structure such as a ball bearing in the upper and lower mortise portions of the power generation wheel train to which the side pressure is applied during the power generation rotation has the effect of reducing the bearing load and improving the power generation performance. For this reason, in order to incorporate a ball bearing having a larger number of parts and a larger size than a hole stone, it is necessary to use the power generation stator 2.
8, it is necessary to secure the space at the lower part, and the lower surface of the power generation stator 28 near the power generation rotor 26 is located at a relatively high position. The contact and fixing portions of the power generation coil 29 of the power generation stator 28 are thin. The thickness of the base plate 1 on the lower surface of the fixed portion of the generator stator 28 is set to a minimum thickness enough to hold the screw pins 30 for fixing the generator stator 28 and the generator coil 29, thereby reducing the thickness of the movement. In addition, by providing the thin portion of the power generation stator 28 on the side opposite to the contact surface with the power generation coil 29, the magnetic contact can be stably performed without causing distortion, inclination, and unevenness due to the thinning of the contact surface.

The fixed portion of the generator stator 28 and the generator rotor 2
The lower surface of the power generation stator 28 in the middle of the vicinity of the power generation stator 6 is located lower than the lower surface of the fixed portion of the power generation stator 28. This is because, as described above, the fixed portion of the generator stator 28 and the vicinity of the generator rotor 26 require a certain height in cross section, but in the intermediate portion, it is necessary to pass magnetic flux without magnetic resistance. There is no problem even if the thickness of the base plate 1 is thin. Because of this,
The thickness of the base plate 1 is an efficient component layout in which a portion necessary for the function is attached and an unnecessary portion is provided with another component.

As shown in FIGS. 1 and 4, the power generating coil 29 has a two-layer magnetic core structure of the electromagnetic cores 29a and 29b, and the upper and lower electromagnetic cores have different shapes. However, at least the magnetic core shape of the coil winding portion is the same. In addition, the power generation coil 2
9, only the upper electromagnetic core 29 a of the upper magnetic core is in contact with the generator stator 28 in the contact portion with the generator stator 28. This is because the two-layer core reduces the eddy current loss in proportion to the square of the thickness of the core, improves the power generation performance, and comes into contact with the power generation stator 28 with only one layer core. , Making the movement thinner.
Further, since the contact portion with the power generation stator 28 is thinned without performing the crushing process, the contact surface is not uneven, and the magnetic conduction can be stably performed. Naturally, the power generating coil 29 is not limited to the two-layer magnetic core, but is also applicable to a multilayer magnetic core structure of three or more layers, and is not limited to the power generating coil of the present example, but is also applicable to a watch coil of a motor. The movement can be made thinner even if the magnetic core of the lowermost layer is not made different in shape in plan view and the contact portion with the generator stator is made thinner.

The electromagnetic core 29a of the present invention is composed of the generator stator 2
No. 8 is in contact with the thin portion and the thick portion. This is because, as described above, the magnetic flux is transmitted through the contact portion from the thick portion of the power generation stator 28 to the electromagnetic core 29 without any resistance and without leakage.
a to prevent the power generation performance from deteriorating.

The coil frame 29c of the power generation coil 29 according to the present invention.
, The positioning in the longitudinal direction of the coil is performed by only one layer of the electromagnetic core 29a. This is due to the fact that when the magnetic core is attached, misalignment occurs due to the tolerances of parts and jigs. It becomes a coil. If positioning is performed using only one of the magnetic cores, the coil can be wound without being influenced by the displacement of the magnetic core, and as a result, the power generation performance can be improved.

Next, as a circuit relation, 31 is a crystal unit, 32 is a MOSIC chip, 33 is an auxiliary capacitor,
Reference numeral 34 denotes a diode for rectification, and reference numerals 35 and 36 denote boost capacitors. These elements are mounted on a flexible circuit board 37. The circuit board 37 is pressed from above by a circuit pressing plate 38 having a spring portion, and is fixed by screws. Reference numeral 40 denotes a capacitor of a secondary power supply, and each electrode is connected to a circuit board 37 by a positive terminal and a negative terminal.
Is electrically connected to the pattern. In the circuit of this embodiment, the voltage of the secondary power supply 40 is boosted by the boosting capacitor 36 and stored in the auxiliary capacitor 33 to drive the clock.
887 is adopted.

In FIG. 3, the circuit board 37 includes a power generation rotor 2 which is disposed below the rotary weight receiver 21 in cross section.
6. The size of the circuit board is expanded by overlapping the generator components such as the generator rotor transmission wheel 25, the generator stator 28, and the generator coil 29 in a plane, and the layout of the electric elements is enabled. Further, since the power generation wheel train and the like are located at the center of the movement, when the plane range of the power generation wheel train becomes the circuit board, the pattern can be easily routed. Further, the circuit board can be reduced in size by facilitating the routing of the pattern.

Reference numeral 14 denotes an external operating member, and a damper 15 for controlling this operation is engaged with a groove of the external operating member 14 and its position is regulated by a latch 16. Kannuki 16
Is engaged with the groove of the pinwheel 17 guided by the external operation member 14. In addition, the train wheel has a train wheel setting lever that resets the train and resets the circuit in conjunction with the movement of the external operation member 14, but is not shown. Rest 1
The upward direction of the 5 and the latch 16 is determined by the pressing retainer 18 fixed with a set screw 45. The operation of these switchings is well known and will not be described.

In the above description, the oscillating weight 20 has the thick portion 20a on the outer peripheral portion, and takes a trajectory that rotates outside most of the internal components constituting the movement. At least a part of the power generation coil 29 overlaps with the thick portion, and in the present invention, the coil winding portion is planarly overlapped. The winding of the power generation coil 29 overlaps with the gear 25b of the power generation rotor transmission wheel 25. Also, a MOSIC chip 3 constituting a circuit
2 and the circuit board 37.

In FIG. 3, the upper tenon of the power generation rotor transmission wheel 25 constituting the power generation wheel train is guided by a bearing ball bearing 50 fixed to the rotary weight receiver 21. The bearing ball bearing 50 has an outer ring 50a that is mounted on the rotating weight receiver 21.
And the plurality of balls 50b are directly engaged with the upper tenon of the power generation rotor transmission wheel 25. Generator rotor train 25
The positioning in the upward direction is performed by a presser wheel 50C fixed to the outer ring 50a. The outer ring 50a is made of a non-magnetic material. This is to reduce the magnetic effect on the generator, but if the effect can be neglected, a magnetic material such as steel may be used. In the case where the influence is large, not only the outer ring but also other parts may be changed to a non-magnetic material. A bearing 51 is also used on the lower tenon side of the power generation rotor 26. In this case as well, it is necessary to use a magnetic material or a non-magnetic material as described above, but it is desirable to use a non-magnetic material at least for the outer race because it may be near a magnet. Bearing The bearing 51 includes an outer ring 51a, a ball 51b, and a presser wheel 51C. The outer ring 51a determines the agitation of the power generation rotor 26.

Bearings Both bearings 50 and 51 do not use a retainer and are aimed at miniaturization and cost reduction, but use of a retainer does not pose a problem. The bearing 50 is
The vicinity of the hole of the outer ring 50a protrudes toward the ball 50b, and the clearance with the presser ring 50c is smaller than the outer diameter of the ball 50b. Therefore, even before the power generation rotor transmission wheel 25 is assembled, the ball 50b does not come off.
Further, since the balls are displaced to some extent before the power generation rotor transmission wheel 25 is assembled, there is a gap with the outer ring 50a, and dirt is easily removed by washing. Also in the bearing 51, since the holes formed in the outer ring 51a and the presser ring 51c are smaller than the outer diameter of the ball 51b, the ball 51 does not come off and has the same effect. Since both bearings mainly have a radial effect, the vertical play may be large.

In this example, the upper part of the power generation rotor transmission wheel 25 and
The bearing is used under the generator rotor 26 for the following reason. The power generation rotor transmission wheel 25 has a kana portion 25a protruding above the rotary weight receiver 21 in order to mesh with the rotary weight wheel 24. Accordingly, in order to adopt a general configuration in which the bearing and the base plate guide the bearing from above and below, the diameter of the bearing portion must be larger than the outer diameter, and the bearing load increases. Further, the power generation rotor 26 and the magnet 27 are
The load is increased because the force is applied to the lower tenon side. The use of bearings in these portions has the effect of reducing bearing loads and increasing power generation efficiency. The efficiency can be further improved by adopting the structure below the transmission wheel of the generator rotor or above the generator rotor.

[0044]

According to the above invention, the following effects can be obtained.

In the arrangement of the wheel train receiver and the power generation wheel train of the present invention, components other than the power generation wheel train and the main plate can be overlapped in a plane, and the cross-sectional space can be effectively utilized, and efficient component arrangement can be achieved. At the same time, an improvement in assemblability and an effect of preventing coil disconnection can be achieved. Further, the shapes of the power generation stator and the power generation coil of the present invention are as follows.
The thickness of the contact portion between the two parts can be suppressed, and the thinner part can be thickened to the rotating weight, and the desired rotating weight unbalance amount can be obtained without increasing the outer diameter of the rotating weight. Further, the power train can be supported by a bearing such as a ball bearing, so that the power generation performance can be improved. In addition, the arrangement of the circuit board and the power generation wheel train secures the planar size of the circuit board, and enables the layout of electric elements and patterns.

As described above, the movement can be reduced in size and thickness.

[Brief description of the drawings]

FIG. 1 is a plan view of an embodiment of the present invention.

FIG. 2 is a plan view of the embodiment of the present invention.

FIG. 3 is a sectional view of the embodiment of the present invention.

FIG. 4 is a sectional view of an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main plate 2 Clock coil 3 Stator 4 Rotor 5 Fifth wheel 7 Fourth wheel 8 Third wheel 9 Second wheel 10 Day wheel 11 Hour wheel 12 Small iron wheel 13 Wheel train receiver 14 External operation member 15 Bolt 17 Suspension wheel 18 Weight holder 20 Rotating weight 21 Rotating weight receiver 22 Ball bearing 23 Rotating weight screw 24 Rotating weight wheel 25 Generator rotor transmission wheel 26 Generator rotor 27 Magnet 28 Generator stator 29 Generator coil 30 Screw pin 31 Crystal unit 32 MOSIC chip 33 Auxiliary Capacitor 34 Diode 35, 36 Boost capacitor 37 Circuit board 38 Circuit holding plate 40 Secondary power supply 41 Negative terminal 45, 46, 47 Set screw 50, 51 Bearing ball bearing

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[Procedure amendment]

[Submission date] September 20, 2000 (2009.2)
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[Procedure amendment 1]

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[Title of the Invention] Electronic clock

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[Claims]

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[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic timepiece, and more particularly to a component arrangement structure of an electronic timepiece that generates power by using kinetic energy generated by a user's operation and charges a secondary power supply.

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[0011]

In order to achieve the above object, an electronic timepiece according to the present invention is provided with a rotating weight which is rotatably mounted and converts kinetic energy generated by the operation of a user into rotational movement, and A power train that transmits the rotational motion of the weight, a power generating rotor that is driven to rotate by the transmitted rotary motion, a power generating coil that outputs a voltage as electric energy by flowing a magnetic flux from the power generating rotor, and the rotary weight And a circuit board on which an electronic element such as an IC or a crystal is mounted, and a power generation wheel train located below the rotary weight receiver in the power generation wheel train; and It is characterized in that the substrates are arranged one above the other in a plane.

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Further, in the electronic timepiece according to the present invention, the circuit board may overlap with a generator component such as a generator stator, a generator rotor, and a generator coil disposed below the rotary weight receiver. Features.

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Further, the electronic timepiece according to the present invention is characterized in that the circuit board is a flexible circuit board.

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[0023]

1 and 2 are plan views of an embodiment of the present invention.
3 is an assembled sectional view of a main part taken along the line II of FIG. 1, and FIG. 4 is an assembled sectional view of a main part taken along the line II-II of FIG.

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However, in this arrangement, the motor is constituted by the stator of the step motor, but since the structure is basically the same, the description will be made with the generator stator of the generator. This is because adopting a bearing structure such as a ball bearing in the upper and lower mortise portions of the power generation wheel train to which the side pressure is applied during the power generation rotation has the effect of reducing the bearing load and improving the power generation performance. For this reason, in order to incorporate a ball bearing having a larger number of parts and a larger size than a pit stone, it is necessary to secure a space below the generator stator 28, and the lower surface of the generator stator 28 near the generator rotor 26 is somewhat high. In position. The contact and fixing portions of the power generation coil 29 of the power generation stator 28 are thin. The thickness of the base plate 1 on the lower surface of the fixed portion of the generator stator 28 is set to a minimum thickness enough to hold the screw pins 30 for fixing the generator stator 28 and the generator coil 29, thereby reducing the thickness of the movement. In addition, by providing the thin portion of the power generation stator 28 on the side opposite to the contact surface with the power generation coil 29, the magnetic contact can be stably performed without causing distortion, inclination, and unevenness due to the thinning of the contact surface.

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According to the present invention, there is provided a rotary weight which is rotatably mounted and converts kinetic energy generated by a user's operation into rotary motion, a power train for transmitting rotary motion of the rotary weight, and a transmitted rotation. A power generating rotor that is driven to rotate by motion, a power generating coil that outputs a voltage as electric energy by flowing a magnetic flux from the power generating rotor, a rotary weight receiver that supports the rotary weight, and an electronic element such as an IC or crystal. Having a mounted circuit board, in the power generation wheel train, a power generation wheel train located below the rotary weight receiver, and by arranging the circuit board in a planar manner, and particularly, The circuit board expands the size of the circuit board by overlapping the generator parts such as the generator stator, the generator rotor, and the generator coil, which are disposed below the rotary weight receiver, in a planar manner. Routing, thereby making it possible to free layout of the electrical element.

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[Brief description of the drawings]

FIG. 1 is a plan view of an embodiment of the present invention.

FIG. 2 is a plan view of the embodiment of the present invention.

FIG. 3 is an assembled sectional view of a main part taken along the line II of FIG. 1;

FIG. 4 is an assembled sectional view of a main part taken along line II-II of FIG. 1;

[Description of Signs] 1 Ground plate 2 Clock coil 3 Stator 4 Rotor 5 Fifth wheel 7 Fourth wheel 8 Third wheel 9 Second wheel 10 Date wheel 11 Hour wheel 12 Small iron wheel 13 Wheel train receiver 14 External operation member DESCRIPTION OF REFERENCE NUMBERS 15 Oscillating 16 Bolt 17 Folding wheel 18 Oscillating presser 20 Rotating weight 21 Rotating weight receiver 22 Ball bearing 23 Rotating weight screw 24 Rotating weight wheel 25 Generator rotor transmission wheel 26 Generator rotor 27 Magnet 28 Generator stator 29 Generator coil 30 Screw pin 31 Crystal unit 32 MOSIC chip 33 Auxiliary capacitor 34 Diode 35, 36 Boost capacitor 37 Circuit board 38 Circuit holding plate 40 Secondary power supply 41 Negative terminal 45, 46, 47 Set screw 50, 51 Bearing ball bearing

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FIG.

Claims (12)

[Claims] A rotating weight that is rotatably mounted as a power generating means and converts kinetic energy generated by a user's operation into a rotating motion; and a power train that transmits the rotating motion of the rotating weight. A power generation rotor that is rotationally driven by the rotating motion, a magnetic flux from the power generation rotor flows to a power generation coil, a power generation stator that forms a magnetic circuit with the power generation rotor and the power generation coil, and a power generation coil that is rotated by rotation of the power generation rotor. A generator that outputs a charging voltage as electric energy for charging, a oscillating weight receiver that axially supports the oscillating weight, a clock wheel train located substantially near the center of the movement, and a wheel that axially supports the clock wheel train. An analog, comprising: a power train wheel, and a power train wheel located below the rotary weight receiver in the power train wheel train and the train wheel train wheel arranged in a plane. Electronic clock. 2. The analog electronic timepiece according to claim 1, wherein a lower shaft portion of said power generation wheel train passes through said power generation stator. 3. The analog electronic timepiece according to claim 2, wherein the diameter of the relief hole formed by the lower shaft portion of the power generation stator and the wheel train receiver is approximately the same. 4. The analog electronic timepiece according to claim 3, wherein a peripheral portion of the relief hole of the wheel train bridge has a sloped shape. 5. The analog electronic timepiece according to claim 1, wherein said train wheel bridge is disposed so as to overlap with said power generating coil in a plane. 6. A rotary weight which is rotatably mounted as a power generating means and converts kinetic energy generated by a user's operation into rotary motion, and a power train which transmits the rotary motion of said rotary weight. A power generation rotor that is rotationally driven by the rotating motion, a magnetic flux from the power generation rotor flows to a power generation coil, a power generation stator that forms a magnetic circuit with the power generation rotor and the power generation coil, and a power generation coil that is rotated by rotation of the power generation rotor. And a generator that outputs a charging voltage as electric energy for charging from the above, wherein the electromagnetic core around which the generating coil is wound has a multilayer structure, and the shapes of the magnetic cores of the upper and lower layers are different. Analog electronic clock. 7. The analog electronic timepiece according to claim 6, wherein only an upper electromagnetic source is superimposed on said power generation stator in a plane. 8. The analog electronic timepiece according to claim 6, wherein the upper and lower layers have the same core shape at least in the coil winding portion. 9. The analog electronic timepiece according to claim 8, wherein the coil frame for preventing the winding of the power generating coil from being disturbed can be determined in the longitudinal direction of the coil only by the magnetic core shape of one layer. clock. 10. A magnetic core, a coil wound around the magnetic core,
A step motor having at least one step motor provided with a rotor rotatably disposed through an air gap with the stator, the step motor having at least one part being insulated and coupled to the magnetic core formed of at least one part; In an analog electronic timepiece having a holding member for holding a motor on a side opposite to the magnetic core with respect to the stator, an erosion surface between the stator and the holding member is the same as a lower surface of the stator near the rotor, or An analog electronic timepiece located at a lower portion. 11. An analog electronic timepiece according to claim 10, wherein an eroded portion between said stator and said holding member and said stator at an intermediate portion near said rotor are located at a lowermost position. Electronic clock. 12. A rotatable mounting means for generating electricity,
A rotary weight that converts kinetic energy generated by a user's operation into rotary motion, a power train that transmits the rotary motion of the rotary weight, a power generation rotor that is driven to rotate by the transmitted rotary motion, A power generation stator that forms a magnetic circuit together with the power generation rotor and the power generation coil by flowing magnetic flux from a rotor to a power generation coil, and a generator that outputs a charging voltage as electric energy for charging from the power generation coil by rotation of the power generation rotor And a circuit board mounted with an IC, a crystal, etc., that supports the rotating weight, and a power generating wheel train located below the rotating weight receiver in the power generating wheel train. An analog electronic timepiece, wherein the circuit boards are arranged one on top of another.