CN102193492A - Pendulum-equipped clock mechanism and quartz watch - Google Patents
Pendulum-equipped clock mechanism and quartz watch Download PDFInfo
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- CN102193492A CN102193492A CN2010101435464A CN201010143546A CN102193492A CN 102193492 A CN102193492 A CN 102193492A CN 2010101435464 A CN2010101435464 A CN 2010101435464A CN 201010143546 A CN201010143546 A CN 201010143546A CN 102193492 A CN102193492 A CN 102193492A
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- pendulum
- stepping motor
- quartz
- movement
- utmost point
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Abstract
The invention relates to a pendulum-equipped clock mechanism and a quartz watch. The pendulum-equipped clock mechanism comprises quartz (11), a step motor (13), a gear train (14) and a magnet-equipped pendulum (3), wherein the step motor (13) rotates based on the drive signals obtained by carrying out frequency division on oscillation signals from the quartz (11); the gear train (14) transmits the rotation of the step motor (13); and the magnet-equipped pendulum (3) is acted by using the driving flux of the step motor (13). A driving magnetic field for driving a rotor (13a) of the step motor (13) to rotate is periodically switched. The periodically-switched driving magnetic field acts a swinging force centering on a shaft pin (5) on the magnet-equipped pendulum (3), so that the magnet-equipped pendulum (3) swings. Therefore, no special drive source and power transmission part for pendulums is required.
Description
Technical field
The present invention relates to quartz clocks such as quartz watch, further specifically, relate to the movement that comprises that the band that do not need the pendulum (pendulum) that special-purpose drive source just can move is put.
Background technology
The quartzy movement that is built in quartz clock is as shown in known, oscillation signal frequency dividing that will obtain from quartz and the signal that is converted to 1Hz, drive the two poles of the earth stepping motor based on this signal, the rotation output that obtains in view of the above slowed down by gear train, make second hand, minute hand, the time needle movement.
As quartz clock, known have with timing action pendulum, image etc. are shaken and give clock and watch visual, ornamental surcharge.Disclosed at patent documentation 1 and to have comprised and the carrying in the table of the drive source that constitutes by quartz or hairspring the pendulum of smoothly swinging in linkage with the timing action is installed.
Patent documentation 1: the special table of Jap.P. 2007-504436 communique
Herein, in the clock and watch of the band pendulum that in the past disclosed, except being used for to the gear train of transmission of drive force such as second hand, minute hand, also disposing being used to transmit the mechanical Poewr transmission mechanisms such as gear train of pendulum driving force.Perhaps, as the pendulum drive source, dispose the other drive source that the drive source used with timing separates.Therefore, for the clock and watch of in the past band pendulum, part and drive source that the transmission of power that needs configuration to be used to swing is done is used, the problem of existence is: the small-sized clock and watch such as wrist-watch that are not suitable for requiring all the time miniaturization, cost degradation.
In view of this point, the objective of the invention is to propose a kind ofly can to suppress to maximize, expensive, the movement of the band pendulum that is applicable to wrist-watch etc. and the quartz clock that comprises the movement that this band is put.
Summary of the invention
For addressing the above problem, the movement of the band pendulum of quartz clock of the present invention is characterised in that to have: quartz; The drive signal that utilization will obtain from the oscillation signal frequency dividing of described quartz and the stepping motor that rotates; Transmit the gear train of the rotation of this stepping motor; And utilize the driving magnetic field of stepping motor and the pendulum that moves.
In quartz clock, in order to drive the rotor rotation of stepping motor, driving magnetic field will be periodically to switching in the other direction.Therefore, if make pendulum carry out magnetic coupling, then can utilize the periodic switching of driving magnetic field that swing is done for the generation source (stator of stepping motor and drive coil) of the driving magnetic field that periodically switches.
Therefore, in the movement of band of the present invention pendulum, the drive source of pendulum needn't be set separately, in addition, needn't dispose the transmission of power part that is used for transmitting the driving force that is used to drive pendulum.Therefore, can be with small-sized, the cheap movement that constitutes the band pendulum.
, in the movement that the band of quartz clock is put, generally use the two poles of the earth stepping motor herein, it comprises: the rotor that the two poles of the earth are magnetized; Have and clip this rotor and the stator of opposed 2 prominent utmost points; And be wound on drive coil on this stator.In this case, with pendulum by being center and pendulum main body of freely shaking and the permanent magnet that is installed on this pendulum main body constitute to shake fulcrum, permanent magnet is located in the magnetic field that produces between 2 prominent utmost points of stator, can utilize magnetic attraction and the magnetic repulsion of alternating action at this permanent magnet, making the pendulum main body is that the center is shaken to shake fulcrum.
Next, quartz clock of the present invention is characterised in that to have the movement of the band pendulum of described structure.According to the present invention, do not cause size increase, cost to improve, just can realize comprising the quartz clock of pendulum.
Description of drawings
Fig. 1 (a) is the stereographic map when rear side observe to be suitable for the movement of band pendulum of quartz clock of the present invention, and Fig. 1 (b) is its side view, and Fig. 1 (c) is its rear view.
Fig. 2 is the key diagram of inner structure of movement of the band pendulum of presentation graphs 1.
Fig. 3 is the key diagram that is used to represent the action of putting.
Label declaration
The movement of the band pendulum of 1 quartz clock
2 movement main body unit
The pendulum of 3 magnet carriers
4 cell enclosure
The 4a backplate
5 pivot pins (shaking the center)
6 pendulum main boards
7,8 permanent magnets
11 quartz
12 IC circuit substrates
13 stepping motors
13A, the 13B utmost point of dashing forward
13a 2 utmost point rotors
The 13b stator
The 13c drive coil
14 gear trains
15 battery supplies
Embodiment
Below, with reference to accompanying drawing, the embodiment of the movement of the band pendulum that is suitable for quartz clock of the present invention is described.
Fig. 1 (a) is the stereographic map when rear side is observed the movement of band pendulum of the related quartz clock of present embodiment, and Fig. 1 (b) is its side view, and Fig. 1 (c) is its rear view.The movement 1 of band pendulum has: movement main body unit 2; And the pendulum 3 of magnet carrier that is installed in the back side of this movement main body unit 2.Movement main body unit 2 is the general structures shown in as described later.
Lower end at the backplate 4a of the cell enclosure 4 of movement main body unit 2 is inserted with pivot pin 5, is equipped with to be in the pendulum 3 of this pivot pin 5 for the magnet carrier of the state that shakes the center and freely shake.The pendulum 3 of magnet carrier comprises: along the long up and down pendulum main board 6 of figure; And be fixed on 2 permanent magnets 7,8 with movement main body unit 2 opposed faces in the upper end of this pendulum main board 6.The upside arm portion 6a width of the pivot pin 5 of pendulum main board 6 is bigger, and its upper end becomes laterally at right angles outstanding hook portion 6b, and its downside arm portion 6c width is less, and is longer than upside arm portion 6a, is formed with the circular 6d of hammer portion in the lower end.
Fig. 2 is the key diagram of the inner structure of expression movement main body unit 2.Movement main body unit 2 is built-in with: the battery supplies 15 such as stepping motor 13, gear train 14 and button cell at quartz 11, IC circuit substrate 12, the two poles of the earth.Be mounted with quartzy driving circuit 12a, circuit parts such as frequency dividing circuit 12b, Stepping Motor Driver 12c at IC circuit substrate 12.
Quartzy 11 utilize quartzy driving circuit 12a to vibrate and outputting oscillation signal, and oscillator signal is the fractional frequency signal of 1Hz by frequency dividing circuit 12b frequency division and generated frequency, provides it to Stepping Motor Driver 12c.Stepping Motor Driver 12c is based on the fractional frequency signal of 1Hz, and the drive pulse signal of the positive anti-switching of per second is offered stepping motor 13.
Stepping motor 13 is made of 2 utmost point rotor 13a, stator 13b, the drive coil 13c that is wound on stator 13b, the polarity of 2 prominent utmost point 13A, 13B that clips the stator 13b of 2 utmost point rotor 13a arranged opposite is N, S alternately to be switched, and makes the each Rotate 180 degree of 2 utmost point rotor 13a.Transmit by gear train 14 deceleration limits on the rotation limit of 2 utmost point rotor 13a, and for example second hand axle 15a, minute hand shaft 15b, the hour hand axle 15c by being configured to coaxial shape is passed to not shown second hand, minute hand, hour hands.
Fig. 3 is the key diagram of position relation of the magnetic pole generating unit of the permanent magnet 7,8 of pendulum 3 of expression magnet carrier and stepping motor 13.Describe with reference to Fig. 2 and Fig. 3, the hook portion 6b of the upper end of the pendulum 3 of magnet carrier be configured in cell enclosure 4 the relative position of built-in stepping motor 13, in the middle of clip the backplate 4a of cell enclosure 4.The stator 13b of stepping motor 13 is rectangular box-like, at the long leg coiling drive coil 13c of this stator 13b, forms circular opening at the middle body of another long leg,, disposes discoid 2 utmost point rotor 13a herein.At this long leg, the part that clips the both sides of 2 utmost point rotor 13a plays the function of prominent utmost point 13A, 13B of conduct.
If flow through drive current at drive coil 13c, then shown in Fig. 3 (a) and (b), a prominent utmost point 13A for example becomes the N utmost point, and another prominent utmost point 13B becomes the S utmost point.If flow through reciprocal electric current at drive coil 13c, then shown in Fig. 3 (c), (d), prominent utmost point 13A presents the S utmost point, and prominent utmost point 13B presents the N utmost point.Alternately switch the each Rotate 180 degree of 2 utmost point rotor 13a by the utmost point.By like this, periodically alternately counter-rotating of the direction of magnetic flux in stepping motor 13.
Be installed in the permanent magnet 7,8 of hook portion 6b of upper end of the pendulum 3 of magnet carrier, be configured in the position of leaving different distance from the center of 2 utmost point rotor 13a.In this example, a permanent magnet 7 is configured in the position far away, center of distance 2 utmost point rotor 13a, and another permanent magnet 8 is configured in nearer position.In addition, permanent magnet 7 is configured in the side with respect to the prominent utmost point 13A of stator 13b, and for example near the position of upside, another permanent magnet 8 is configured in the position near downside with respect to prominent utmost point 13B.In addition, these permanent magnets 7,8 are installed, it is opposed to make it for example be respectively the same utmost point, for example S utmost point and stator 13b.
The action of pendulum 3 of magnet carrier of the movement 1 of this band pendulum is described.Shown in Fig. 3 (a) and (b), remain under the state of neutral posture at the pendulum 3 of magnet carrier, if flow through unidirectional drive current at stepping motor 13, then prominent utmost point 13A presents the N utmost point, prominent utmost point 13B presents the S utmost point, 2 utmost point rotor 13a Rotate 180 degree.In addition, the leakage flux that utilize to produce produces magnetic attractions to the permanent magnet 7 of the pendulum 3 of magnet carrier, and permanent magnet 8 is produced magnetic repulsions.Consequently, pendulum 3 effect of magnet carrier had to shake center (pivot pin 5) be the revolving force of middle mind-set arrow A direction, shown in Fig. 3 (c), (d), near prominent utmost point 13A, permanent magnet 8 vibrates from the direction that prominent utmost point 13B leaves the pendulum 3 of magnet carrier to permanent magnet 7.
At next constantly, shown in Fig. 3 (c), (d), the direction of drive current that flows through the drive coil 13c of stepping motor 13 switches in the other direction, and prominent utmost point 13A switches to the S utmost point, and prominent utmost point 13B switches to the N utmost point, and 2 utmost point rotor 13a are to same direction Rotate 180 degree.In addition, utilize the leakage flux that produces at this moment, permanent magnet 7 effects to the pendulum 3 of magnet carrier have magnetic repulsion, 8 effects have magnetic attraction to permanent magnet, pendulum 3 effects to magnet carrier have to shake the revolving force to the arrow B direction that the center is the center, and the pendulum 3 of magnet carrier is to the direction vibration that turns back to original posture.
By like this, pendulum 3 effects of magnet carrier there is leakage flux from stepping motor 13, according to the switching of this flow direction, act on the reciprocal power of shaking.Therefore, pendulum 3 sustained oscillations of magnet carrier.
In addition, about the pendulum 3 of magnet carrier and the configuration relation of stepping motor 13,, be not limited to this routine configuration relation as long as utilize leakage flux that the pendulum 3 of magnet carrier is produced the relation of the power of shaking.In addition, disposed 2 permanent magnets 7,8 in this example, but 1 permanent magnet also can be installed, made pendulum 3 unidirectional the shaking of magnet carrier, the power of returning for example can be utilized the torsionspring that is installed in pivot pin 5.Have again, the permanent magnet more than 3 can also be installed.
And the pendulum 3 of magnet carrier is not limited to pendulum in general sense, can use comprising to be used to from the leakage flux of stepping motor 13 and pendulum on the meaning of parts by the magnetic force action.For example, also can make the moving-member of shapes such as image, animal utilize leakage flux to move, this is mathematical.In addition, if will be identical and the swivel plate that is magnetized equally, clip backplate 4a and 2 utmost point rotor 13a arranged opposite, then can make swivel plate carry out identical rotatablely moving with 2 utmost point rotor 13a with 2 utmost point rotor 13a shapes of stepping motor 13.
In addition, be preferably backplate 4a and form, make and effectively to utilize the magnetic field that produces from stepping motor 13 1 sides by the higher starting material of magnetic permeability.
Claims (3)
1. the movement of the band of quartz clock pendulum is characterized in that having:
Quartzy;
The drive signal that utilization will obtain from the oscillation signal frequency dividing of described quartz and the stepping motor that rotates;
Transmit the gear train of the rotation of described stepping motor; And
The pendulum that utilizes the driving magnetic field of described stepping motor and move.
2. the movement of the band of quartz clock as claimed in claim 1 pendulum is characterized in that,
Described stepping motor comprises:
The rotor that the two poles of the earth are magnetized;
Have and clip described rotor and the stator of opposed 2 prominent utmost points; And
Be wound on the drive coil of described stator,
Described pendulum comprises:
To shake fulcrum is center and the pendulum main body of freely shaking; And
Be installed in the permanent magnet of described pendulum main body,
Described permanent magnet is located in the magnetic field that produces between 2 prominent utmost points of described stator, utilizes magnetic attraction and the magnetic repulsion of alternating action at described permanent magnet, and making described pendulum main body is that the center is shaken with the described fulcrum that shakes.
3. a quartz clock is characterized in that,
Movement with claim 1 or 2 described band pendulum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101435464A CN102193492A (en) | 2010-03-09 | 2010-03-09 | Pendulum-equipped clock mechanism and quartz watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101435464A CN102193492A (en) | 2010-03-09 | 2010-03-09 | Pendulum-equipped clock mechanism and quartz watch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102193492A true CN102193492A (en) | 2011-09-21 |
Family
ID=44601714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101435464A Pending CN102193492A (en) | 2010-03-09 | 2010-03-09 | Pendulum-equipped clock mechanism and quartz watch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102193492A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2290075Y (en) * | 1997-01-09 | 1998-09-02 | 永镇企业股份有限公司 | Quartz clock pendulum rod oscillating device |
| JP2000284730A (en) * | 1999-03-30 | 2000-10-13 | Seiko Clock Inc | Pendulum driving device |
| CN2746428Y (en) * | 2004-10-14 | 2005-12-14 | 刘锦成 | Quartz cloch with second hand scanning, alarming and rocking ornament |
| CN1842754A (en) * | 2003-08-29 | 2006-10-04 | 霍维克·西莫尼安 | Watch movement with an animation |
-
2010
- 2010-03-09 CN CN2010101435464A patent/CN102193492A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2290075Y (en) * | 1997-01-09 | 1998-09-02 | 永镇企业股份有限公司 | Quartz clock pendulum rod oscillating device |
| JP2000284730A (en) * | 1999-03-30 | 2000-10-13 | Seiko Clock Inc | Pendulum driving device |
| CN1842754A (en) * | 2003-08-29 | 2006-10-04 | 霍维克·西莫尼安 | Watch movement with an animation |
| CN2746428Y (en) * | 2004-10-14 | 2005-12-14 | 刘锦成 | Quartz cloch with second hand scanning, alarming and rocking ornament |
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