CN203660942U - Control circuit of pointer jitter-free quartz watch movement and quartz watch movement - Google Patents
Control circuit of pointer jitter-free quartz watch movement and quartz watch movement Download PDFInfo
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- CN203660942U CN203660942U CN201320877802.1U CN201320877802U CN203660942U CN 203660942 U CN203660942 U CN 203660942U CN 201320877802 U CN201320877802 U CN 201320877802U CN 203660942 U CN203660942 U CN 203660942U
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- circuit
- control circuit
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- watch movement
- pointer
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- 239000010453 quartz Substances 0.000 title abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title abstract description 11
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000003321 amplification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
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Abstract
The utility model discloses a control circuit of a pointer jitter-free quartz watch movement and a quartz watch movement. An oscillation circuit, a frequency dividing circuit, a driving circuit and a pulse forming circuit are arranged inside the control circuit; the pulse forming circuit outputs composite pulses periodically. According to the composite pulses, in the first half period, a 5.9-millisecond pulse width wave is outputted at a positive direction, and 5 to 7 200-nanosecond pulse width waves with a time interval of 200 nanoseconds are continuously outputted at the same direction; and in the second haft period, a 5.9-millisecond pulse width wave is outputted at a negative direction, and 5 to 7 200-nanosecond pulse width waves with a time interval of 200 nanoseconds are continuously outputted at the same direction. The oscillation circuit is connected with the input end of the frequency dividing circuit. The output end of the frequency dividing circuit is connected with the input end of the pulse forming circuit. The output end of the pulse forming circuit is connected with the driving circuit. By means of the above structure, the 5 to 7 200-nanosecond pulse width waves with the time interval of 200 nanoseconds at the same direction which are outputted by the pulse forming circuit enable a stator sheet magnetic field and magnets of a rotor to be opposite magnetic poles with respect to each other, and to attract each other, so that the rotor can stop rotation, and therefore, the problem of pointer jitter can be solved.
Description
Technical field
The utility model relates to quartz watch technical field, relates in particular to a kind of control circuit and Quartzcrystal watch movement of Quartzcrystal watch movement of pointer-free shake.
Background technology
Quartz watch is one of daily necessities comparatively widely, the feature that it has punctual timing, needn't wind up of using in people's daily life.Through the development of decades, Technology Progress, reliable in quality, a great variety of models, constantly meets people time showing is grasped to requirement.But, because the crystal oscillator in Quartzcrystal watch movement is with 32768HZ periodic vibration, the control circuit of movement is with the operation of 0.5HZ output pulsed drive stepping motor, when after 180 ° of the rotors of stepping motor, stator piece magnetic field impels rotor to stop operating immediately, and rotor can be shaken clockwise or counterclockwise, and rotor drives pointer to walk about by train, because the shake of rotor causes quartz watch pointer periodic jitter thereupon, the precision to quartz watch and attractive in appearance having a certain impact.
Summary of the invention
The purpose of this utility model is to provide control circuit and the Quartzcrystal watch movement of the quartz watch of a kind of simple in structure, displaying time pointer-free shake very accurately.
For achieving the above object, the utility model is by the following technical solutions: a kind of control circuit of Quartzcrystal watch movement of pointer-free shake, in described control circuit, be provided with oscillating circuit, frequency dividing circuit, drive circuit and pulse shaping circuit, described pulse shaping circuit is periodically exported composite pulse, described composite pulse is at the pulsewidth ripple of one 5.9 milliseconds of first forward outputs of front half period, then the continuous wave output time interval is the pulsewidth ripple of 5 ~ 7 of 200 nanoseconds 200 nanoseconds in the same way; The pulsewidth ripple of one 5.9 milliseconds of negative sense outputs within the later half cycle, then the continuous wave output time interval is the pulsewidth ripple of 5 ~ 7 of 200 nanoseconds 200 nanoseconds in the same way; Described oscillating circuit is connected with the input of frequency dividing circuit, and the output of frequency dividing circuit is connected with the input of pulse shaping circuit, and the output of pulse shaping circuit is connected with drive circuit.Adopt above structure, the composite pulse of pulse shaping circuit output not only can drive the pointer of quartz watch normally to walk, and can make the rotor of stepping motor no longer drive pointer shake, and the time of demonstration is more accurate.
The utility model also relates to a kind of Quartzcrystal watch movement of applying described control circuit, in described movement, be provided with crystal oscillator, control circuit, stepping motor, train and pointer, described crystal oscillator is connected with the input of control circuit, the output of control circuit connects the input of stepping motor, the output shaft of stepping motor engages with train, and train is connected with pointer.
The utility model adopts above structure, in the process that the composite pulse Driving Stepping Motor of pulse shaping circuit output rotates, the pulsewidth ripple that is spaced apart 5 ~ 7 of 200 nanoseconds 200 nanoseconds in the same way impels stator piece magnetic field and rotor magnetic steel opposite pole each other, attract each other, thereby rotor magnetic steel is produced to the braking force of moment, rotor is stopped operating, avoid occurring shake, solved pointer jitter problem.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the control circuit functional block diagram of the Quartzcrystal watch movement of the utility model pointer-free shake;
Fig. 2 is the structural representation of Quartzcrystal watch movement of the present utility model.
Embodiment
As shown in Figure 1, the control circuit of the Quartzcrystal watch movement of a kind of pointer-free shake of the utility model, in described control circuit 1, be provided with oscillating circuit 11, frequency dividing circuit 12, drive circuit 13 and pulse shaping circuit 14, described pulse shaping circuit 14 is periodically exported composite pulse, described composite pulse is at the pulsewidth ripple of one 5.9 milliseconds of first forward outputs of front half period, then the continuous wave output time interval is the pulsewidth ripple of 5 ~ 7 of 200 nanoseconds 200 nanoseconds in the same way; The pulsewidth ripple of one 5.9 milliseconds of negative sense outputs within the later half cycle, then the continuous wave output time interval is the pulsewidth ripple of 5 ~ 7 of 200 nanoseconds 200 nanoseconds in the same way; Described oscillating circuit 11 is connected with the input of frequency dividing circuit 12, and the output of frequency dividing circuit 12 is connected with the input of pulse shaping circuit 14, and the output of pulse shaping circuit 14 is connected with drive circuit 13.
As shown in Figure 2, the utility model also provides a kind of Quartzcrystal watch movement of applying described control circuit, in described movement, be provided with crystal oscillator 2, control circuit 1, stepping motor 3, train 4 and pointer 5, described crystal oscillator 2 is connected with the input of control circuit 1, the circuit output end of control circuit 1 connects the input of stepping motor 3, the output shaft of stepping motor 3 engages with train 4, and train 4 is connected with pointer 5.
The utility model adopts above structure, oscillating circuit 11 produces pulse signal, after carrying out 16 frequency divisions, frequency dividing circuit 12 obtains a second signal, pulse shaping circuit 14 is constantly periodically exported composite pulse according to signal second receiving, composite pulse carries out power amplification in drive circuit 13, then Driving Stepping Motor 3 is magnetic field by electric energy conversion, the stator piece conduction magnetic action of stepping motor 3 is on rotor magnetic steel, according to magnetic field opposite sex phase exclusion principle, differ under a pair of polarity magnetic field effect at 40 ° of startup angles at stator piece and rotor nature off-position, the rotor of pushing stepping motor 3 rotates 180 °, drive hour hands through train 4, minute hand, second hand walking, thereby displaying time.In this process, composite pulse is at the pulsewidth ripple of one 5.9 milliseconds of first forward outputs of front half period, the continuous wave output time interval is the pulsewidth ripple of 5 ~ 7 of 200 nanoseconds 200 nanoseconds in the same way again, the pulsewidth ripple of one 5.9 milliseconds of negative sense outputs within the later half cycle, then the continuous wave output time interval is the pulsewidth ripple of 5 ~ 7 of 200 nanoseconds 200 nanoseconds in the same way.Wherein, the pulsewidth ripple of 5.9 milliseconds carries out power amplification in drive circuit 13, then Driving Stepping Motor 3 is magnetic field by electric energy conversion, and the stator piece conduction magnetic action of stepping motor 3, on rotor magnetic steel, and then drives 180 ° of rotors, drives pointer normally to walk.And the effect that the time interval is the pulsewidth ripple of 5 ~ 7 of 200 nanoseconds 200 nanoseconds is in the same way to allow stator piece magnetic field and rotor magnetic steel opposite pole each other, and then attract each other, like this rotor magnetic steel there is the braking force of a moment, rotor can stop operating, avoid occurring shake, and then solved the jitter problem of quartz watch pointer 5.
Claims (2)
1. the control circuit of the Quartzcrystal watch movement of a pointer-free shake, it is characterized in that: in described control circuit, be provided with oscillating circuit, frequency dividing circuit, drive circuit and pulse shaping circuit, described pulse shaping circuit is periodically exported composite pulse, described composite pulse is at the pulsewidth ripple of one 5.9 milliseconds of first forward outputs of front half period, then the continuous wave output time interval is the pulsewidth ripple of 5 ~ 7 of 200 nanoseconds 200 nanoseconds in the same way; The pulsewidth ripple of one 5.9 milliseconds of negative sense outputs within the later half cycle, then the continuous wave output time interval is the pulsewidth ripple of 5 ~ 7 of 200 nanoseconds 200 nanoseconds in the same way; Described oscillating circuit is connected with the input of frequency dividing circuit, and the output of frequency dividing circuit is connected with the input of pulse shaping circuit, and the output of pulse shaping circuit is connected with drive circuit.
2. the Quartzcrystal watch movement of an application control circuit as claimed in claim 1, it is characterized in that: in described movement, be provided with crystal oscillator, control circuit, stepping motor, train and pointer, described crystal oscillator is connected with the input of control circuit, the circuit output end of control circuit connects the input of stepping motor, the output shaft of stepping motor engages with train, and train is connected with pointer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877802.1U CN203660942U (en) | 2013-12-27 | 2013-12-27 | Control circuit of pointer jitter-free quartz watch movement and quartz watch movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877802.1U CN203660942U (en) | 2013-12-27 | 2013-12-27 | Control circuit of pointer jitter-free quartz watch movement and quartz watch movement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203660942U true CN203660942U (en) | 2014-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320877802.1U Expired - Lifetime CN203660942U (en) | 2013-12-27 | 2013-12-27 | Control circuit of pointer jitter-free quartz watch movement and quartz watch movement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203660942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334717A (en) * | 2015-11-10 | 2016-02-17 | 福建上润精密仪器有限公司 | Method for driving hands of quartz watch to move clockwise and anticlockwise by means of circuit waveform |
-
2013
- 2013-12-27 CN CN201320877802.1U patent/CN203660942U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334717A (en) * | 2015-11-10 | 2016-02-17 | 福建上润精密仪器有限公司 | Method for driving hands of quartz watch to move clockwise and anticlockwise by means of circuit waveform |
| CN105334717B (en) * | 2015-11-10 | 2017-12-05 | 福建上润精密仪器有限公司 | It is a kind of to drive method of the quartz watch along the hand-manipulating of needle counterclockwise using circuit waveform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |