CN103454904B - Improve quartz watch to keep time the method for precision and quartz watch - Google Patents
Improve quartz watch to keep time the method for precision and quartz watch Download PDFInfo
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- CN103454904B CN103454904B CN201310398296.2A CN201310398296A CN103454904B CN 103454904 B CN103454904 B CN 103454904B CN 201310398296 A CN201310398296 A CN 201310398296A CN 103454904 B CN103454904 B CN 103454904B
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G3/00—Producing timing pulses
- G04G3/04—Temperature-compensating arrangements
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- General Physics & Mathematics (AREA)
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- Oscillators With Electromechanical Resonators (AREA)
Abstract
The present invention relates to quartz watch technical field, relate to and improve quartz watch and to keep time the method for precision and quartz watch.Improve quartz watch to keep time the method for precision, comprising: the corresponding relation pre-setting the accuracy of quartz crystal oscillation frequency and environment temperature, also pre-set the time difference compensation cycle; Within the time difference compensation cycle, gather environment temperature by the sample frequency of setting; Also be provided with time difference compensation point in the time difference compensation cycle, calculate time difference compensation point place the time difference compensation cycle in and the mean value of all environment temperatures of acquisition time before time difference compensation point, obtain the first temperature average; Obtain the quartz crystal actual oscillation frequency accuracy of quartz crystal within the time difference compensation cycle of correspondence; According to the accuracy of quartz crystal actual oscillation frequency, obtain time error; Compensate when walking during the walking of quartz watch according to walking time error.Raising quartz watch of the present invention is kept time the error of the method for precision and quartz watch time and standard time when can reduce walking of quartz watch.
Description
Technical field
The present invention relates to quartz watch technical field, to keep time the method for precision and quartz watch in particular to improving quartz watch.
Background technology
In correlation technique, circuit and quartz oscillator when quartz watch comprises walking, pulse when quartz oscillator sends to circuit when walking according to certain oscillation frequency, to keep time away clock from the standard time arranged under the triggering of circuit pulse when walking when walking.
But, due to oscillation frequency/temperature characterisitic that quartz crystal is intrinsic, the oscillation frequency of quartz crystal changes along with the change of environment temperature, therefore, under non-isoperibol, the oscillation frequency of quartz crystal also can change, instability during the walking of circuit when making away, and then the clock time difference is walked in accumulation, when causing the walking of quartz watch, between time and standard time, produce comparatively big error.
Summary of the invention
The object of the present invention is to provide and improve quartz watch and to keep time the method for precision and quartz watch, to solve the above problems.
Provide in an embodiment of the present invention and improve quartz watch and to keep time the method for precision, comprising:
Pre-set the corresponding relation of the accuracy of quartz crystal oscillation frequency and environment temperature, also pre-set the time difference compensation cycle;
Within the described time difference compensation cycle, gather environment temperature by the sample frequency of setting;
Also be provided with time difference compensation point in the described time difference compensation cycle, calculate mean value that is in the time difference compensation cycle at described time difference compensation point place and all environment temperatures of acquisition time before described time difference compensation point, obtain the first temperature average;
According to corresponding relation and the described first temperature average of the accuracy of quartz crystal oscillation frequency and environment temperature, obtain the quartz crystal actual oscillation frequency accuracy of quartz crystal within the time difference compensation cycle of correspondence;
According to the accuracy of described quartz crystal actual oscillation frequency, what obtain the time value of the time difference compensation point with this corresponding to accuracy of quartz crystal actual oscillation frequency walks time error;
According to described walk time error compensate when walking during the walking of quartz watch.
Quartz watch, comprising: controller, temperature sensor, quartz oscillator and circuit when walking;
Described controller, for pre-setting the corresponding relation of the accuracy of quartz crystal oscillation frequency and environment temperature, also pre-sets the time difference compensation cycle;
Described temperature sensor, within the described time difference compensation cycle, gathers environment temperature by the sample frequency of setting;
Described controller, also for arranging time difference compensation point in the described time difference compensation cycle, calculate mean value that is in the time difference compensation cycle at described time difference compensation point place and all environment temperatures of acquisition time before described time difference compensation point, obtain the first temperature average; According to corresponding relation and the described first temperature average of the accuracy of quartz crystal oscillation frequency and environment temperature, obtain the actual oscillation frequency accuracy of quartz crystal within the time difference compensation cycle of correspondence; According to the accuracy of described quartz crystal actual oscillation frequency, what obtain the time value of the time difference compensation point with this corresponding to accuracy of quartz crystal actual oscillation frequency walks time error; According to described walk time error compensate when walking during the walking of circuit during the walking of quartz watch;
Described quartz oscillator, for generation of pulse when walking;
Described walk time circuit, for walk described in utilizing clock pulse rush in walking time.
The raising quartz watch of the above embodiment of the present invention is kept time the method for precision and quartz watch, be previously provided with the corresponding relation of the accuracy of quartz crystal oscillation frequency and environment temperature, wherein the accuracy of quartz crystal oscillation frequency refers under certain temperature value, the deviate of the actual oscillation frequency of quartz crystal and the normal vibration frequency of setting, also be provided with the time difference compensation cycle, environment temperature is gathered by the sample frequency of setting within the time difference compensation cycle, and the temperature average calculated in the time difference compensation cycle and this quartz crystal actual oscillation frequency accuracy corresponding to temperature average, quartz watch can be obtained according to the accuracy of quartz crystal actual oscillation frequency and walk time error within the time difference compensation cycle of correspondence, compensate during the walking of quartz watch according to time keeping error, in the embodiment of the present invention can within each cycle time difference environmentally temperature on the impact of quartz crystal, compensate during the walking of quartz watch, to overcome in correlation technique because time and standard time have the technical matters compared with big error when the impact of environment temperature on quartz crystal oscillation frequency causes walking of quartz watch, the raising quartz watch of the embodiment of the present invention is kept time the error of the method for precision and quartz watch time and standard time when can reduce walking of quartz watch.
Accompanying drawing explanation
The embodiment of the present invention that shows Fig. 1 improves quartz watch and to keep time the process flow diagram of method of precision;
Fig. 2 shows the structural representation of embodiment of the present invention quartz watch.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
There is provided a kind of quartz watch that improves to keep time the method for precision in the embodiment of the present invention, as shown in Figure 1, main processing steps comprises:
Step S11: the corresponding relation pre-setting the accuracy of quartz crystal oscillation frequency and environment temperature, also pre-sets the time difference compensation cycle;
Step S12: within the described time difference compensation cycle, gathers environment temperature by the sample frequency of setting;
Step S13: be also provided with time difference compensation point in the described time difference compensation cycle, calculates mean value that is in the time difference compensation cycle at described time difference compensation point place and all environment temperatures of acquisition time before described time difference compensation point, obtains the first temperature average;
Step S14: according to corresponding relation and the described first temperature average of the accuracy of quartz crystal oscillation frequency and environment temperature, obtain the quartz crystal actual oscillation frequency accuracy of quartz crystal within the time difference compensation cycle of correspondence;
Step S15: according to the accuracy of described quartz crystal actual oscillation frequency, what obtain the time value of the time difference compensation point with this corresponding to accuracy of quartz crystal actual oscillation frequency walks time error;
Step S16: according to described walk time error compensate when walking during the walking of quartz watch.
In the embodiment of the present invention, be previously provided with the corresponding relation of the accuracy of quartz crystal oscillation frequency and environment temperature, wherein the accuracy of quartz crystal oscillation frequency refers under certain temperature value, the deviate of the actual oscillation frequency of quartz crystal and the normal vibration frequency of setting, also be provided with the time difference compensation cycle, environment temperature is gathered by the sample frequency of setting within the time difference compensation cycle, and the temperature average calculated in the time difference compensation cycle and this quartz crystal actual oscillation frequency accuracy corresponding to temperature average, quartz watch can be obtained according to the accuracy of quartz crystal actual oscillation frequency and walk time error within the time difference compensation cycle of correspondence, compensate during the walking of quartz watch according to time keeping error, in the embodiment of the present invention can within each cycle time difference environmentally temperature on the impact of quartz crystal, compensate during the walking of quartz watch, to overcome in correlation technique because time and standard time have the technical matters compared with big error when the impact of environment temperature on quartz crystal oscillation frequency causes walking of quartz watch, therefore the raising quartz watch of the embodiment of the present invention is kept time the error of the method for precision time and standard time when can reduce walking of quartz watch.
Quartz watch in correlation technique is because walk the accumulation of time error, and error when causing quartz watch to walk between time and standard time, affects the punctual precision of quartz watch, general error a few minutes every month; What require the time precision of quartz watch along with people improves constantly, the walking time error and can not meet some high-grade quartz watchs to the requirement of time precision of a few minutes every month.
And when adopting the walking of the quartz watch of the embodiment of the present invention, method can make the time error of walking of quartz watch be reduced to every month in a few second by a few minutes every month, greatly improves the timekeeping performance of quartz watch.
For improving quartz electronic timekeeping performance further, in the method for the embodiment of the present invention, further the corresponding relation of the quartz crystal oscillation frequency accuracy arranged and environment temperature is revised.
Particularly, the described time difference compensation cycle is arranged continuously; Continuous print multiple time difference compensation periodic groups synthesis calibration cycle; Revise by the corresponding relation of preset rules to the quartz crystal oscillation frequency accuracy arranged and environment temperature in described calibration cycle.
Wherein, describedly by preset rules, the quartz crystal oscillation frequency accuracy arranged and the corresponding relation of environment temperature to be revised in described calibration cycle, comprising:
Be provided with calibration correction point in described calibration cycle, calculate mean value that is in the calibration cycle at described calibration correction point place and all environment temperatures of acquisition time all before described calibration correction point by preset rules, obtain the second temperature average;
Obtain the standard time value of the calibration correction point corresponding to described second temperature average, the described standard time value of acquisition is compared with the displaying time value of this calibration correction point, obtains time keeping error;
The displaying time value of the calibration correction point corresponding to described time keeping error and this time keeping error, obtains quartz crystal oscillation frequency accuracy error;
According to mutually corresponding described second temperature average and described quartz crystal oscillation frequency accuracy error, the corresponding relation of the quartz crystal oscillation frequency accuracy arranged and environment temperature is revised.
Also provide a kind of quartz watch in the embodiment of the present invention, as shown in Figure 2, comprising: controller 21, temperature sensor 22, quartz oscillator 24 and walk time circuit 23;
Controller 21, for pre-setting the corresponding relation of the accuracy of quartz crystal oscillation frequency and environment temperature, also pre-sets the time difference compensation cycle;
Temperature sensor 22, within the described time difference compensation cycle, gathers environment temperature by the sample frequency of setting;
Controller 21, also for arranging time difference compensation point in the described time difference compensation cycle, calculate mean value that is in the time difference compensation cycle at described time difference compensation point place and all environment temperatures of acquisition time before described time difference compensation point, obtain the first temperature average; According to corresponding relation and the described first temperature average of the accuracy of quartz crystal oscillation frequency and environment temperature, obtain the actual oscillation frequency accuracy of quartz crystal within the time difference compensation cycle of correspondence; According to the accuracy of described quartz crystal actual oscillation frequency, what obtain the time value of the time difference compensation point with this corresponding to accuracy of quartz crystal actual oscillation frequency walks time error; According to described walk time error compensate when walking during the walking of circuit 23 during the walking of quartz watch;
Quartz oscillator 24, for generation of pulse when walking;
Circuit 23 when walking, for walk described in utilizing clock pulse rush in walking time.
Controller 21 is single-chip microcomputer, and preferably, described single-chip microcomputer is S1C17701 single-chip microcomputer, and its working current is 1 μ A quiescent current;
Temperature sensor 22 is AD7301 temperature sensor, and AD7301 temperature sensor is connected with controller 21 by SPI data bus.
Particularly, the oscillation frequency of quartz oscillator 24 is 32.768kHz.
Further, the quartz watch of the embodiment of the present invention also comprises liquid crystal display, and described liquid crystal display is connected with controller 21, time during for showing the walking of quartz watch.
Further, the quartz watch of the embodiment of the present invention also comprises button, and described button is connected with controller 21, time when manually can arrange walking of quartz watch by button.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. improve quartz watch to keep time the method for precision, it is characterized in that, comprising:
Pre-set the corresponding relation of the accuracy of quartz crystal oscillation frequency and environment temperature, also pre-set the time difference compensation cycle;
Within the described time difference compensation cycle, gather environment temperature by the sample frequency of setting;
Also be provided with time difference compensation point in the described time difference compensation cycle, calculate mean value that is in the time difference compensation cycle at described time difference compensation point place and all environment temperatures of acquisition time before described time difference compensation point, obtain the first temperature average;
According to corresponding relation and the described first temperature average of the accuracy of quartz crystal oscillation frequency and environment temperature, obtain the quartz crystal actual oscillation frequency accuracy of quartz crystal within the time difference compensation cycle of correspondence;
According to the accuracy of described quartz crystal actual oscillation frequency, what obtain the time value of the time difference compensation point with this corresponding to accuracy of quartz crystal actual oscillation frequency walks time error;
According to described walk time error compensate when walking during the walking of quartz watch;
The method also comprises: the time difference compensation cycle is arranged continuously; Continuous print multiple time difference compensation periodic groups synthesis calibration cycle; Be provided with calibration correction point in described calibration cycle, calculate mean value that is in the calibration cycle at described calibration correction point place and all environment temperatures of acquisition time all before described calibration correction point by preset rules, obtain the second temperature average; Obtain the standard time value of the calibration correction point corresponding to described second temperature average, the described standard time value of acquisition is compared with the displaying time value of this calibration correction point, obtains time keeping error; The displaying time value of the calibration correction point corresponding to described time keeping error and this time keeping error, obtains quartz crystal oscillation frequency accuracy error; According to mutually corresponding described second temperature average and described quartz crystal oscillation frequency accuracy error, the corresponding relation of the quartz crystal oscillation frequency accuracy arranged and environment temperature is revised.
2. quartz watch, is characterized in that, comprising: controller, temperature sensor, quartz oscillator and circuit when walking;
Described controller, for pre-setting the corresponding relation of the accuracy of quartz crystal oscillation frequency and environment temperature, also pre-sets the time difference compensation cycle;
Described temperature sensor, within the described time difference compensation cycle, gathers environment temperature by the sample frequency of setting;
Described controller, also for arranging time difference compensation point in the described time difference compensation cycle, calculate mean value that is in the time difference compensation cycle at described time difference compensation point place and all environment temperatures of acquisition time before described time difference compensation point, obtain the first temperature average; According to corresponding relation and the described first temperature average of the accuracy of quartz crystal oscillation frequency and environment temperature, obtain the actual oscillation frequency accuracy of quartz crystal within the time difference compensation cycle of correspondence; According to the accuracy of described quartz crystal actual oscillation frequency, what obtain the time value of the time difference compensation point with this corresponding to accuracy of quartz crystal actual oscillation frequency walks time error; According to described walk time error compensate when walking during the walking of circuit during the walking of quartz watch;
Described controller, is also arranged continuously for the time difference compensation cycle; Continuous print multiple time difference compensation periodic groups synthesis calibration cycle; Be provided with calibration correction point in described calibration cycle, calculate mean value that is in the calibration cycle at described calibration correction point place and all environment temperatures of acquisition time all before described calibration correction point by preset rules, obtain the second temperature average; Obtain the standard time value of the calibration correction point corresponding to described second temperature average, the described standard time value of acquisition is compared with the displaying time value of this calibration correction point, obtains time keeping error; The displaying time value of the calibration correction point corresponding to described time keeping error and this time keeping error, obtains quartz crystal oscillation frequency accuracy error; According to mutually corresponding described second temperature average and described quartz crystal oscillation frequency accuracy error, the corresponding relation of the quartz crystal oscillation frequency accuracy arranged and environment temperature is revised;
Described quartz oscillator, for generation of pulse when walking;
Described walk time circuit, for walk described in utilizing clock pulse rush in walking time.
3. quartz watch according to claim 2, is characterized in that, described controller is single-chip microcomputer.
4. quartz watch according to claim 3, is characterized in that, described single-chip microcomputer is S1C17701 single-chip microcomputer.
5. quartz watch according to claim 2, is characterized in that, described temperature sensor is AD7301 temperature sensor.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310398296.2A CN103454904B (en) | 2013-09-04 | 2013-09-04 | Improve quartz watch to keep time the method for precision and quartz watch |
| JP2016504457A JP6282723B2 (en) | 2013-09-04 | 2013-11-22 | High-precision timekeeping method for quartz electronic watches |
| PCT/CN2013/087700 WO2015032132A1 (en) | 2013-09-04 | 2013-11-22 | Quartz electronic watch high-precision timekeeping method |
| CN201380048462.4A CN104937504B (en) | 2013-09-04 | 2013-11-22 | The punctual method of quartz watch high accuracy |
| HK16100606.8A HK1212788A1 (en) | 2013-09-04 | 2016-01-20 | Quartz electronic watch high-precision timekeeping method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310398296.2A CN103454904B (en) | 2013-09-04 | 2013-09-04 | Improve quartz watch to keep time the method for precision and quartz watch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103454904A CN103454904A (en) | 2013-12-18 |
| CN103454904B true CN103454904B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310398296.2A Active CN103454904B (en) | 2013-09-04 | 2013-09-04 | Improve quartz watch to keep time the method for precision and quartz watch |
| CN201380048462.4A Active CN104937504B (en) | 2013-09-04 | 2013-11-22 | The punctual method of quartz watch high accuracy |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380048462.4A Active CN104937504B (en) | 2013-09-04 | 2013-11-22 | The punctual method of quartz watch high accuracy |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6282723B2 (en) |
| CN (2) | CN103454904B (en) |
| HK (1) | HK1212788A1 (en) |
| WO (1) | WO2015032132A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104536283A (en) * | 2014-12-17 | 2015-04-22 | 深圳市航盛电子股份有限公司 | Circuit and method for vehicle-mounted temperature compensation clock |
| CN108227471B (en) * | 2016-12-21 | 2019-11-12 | 展讯通信（上海）有限公司 | GPS shares the calibration method and device of clock |
| CN107329399B (en) * | 2017-07-14 | 2020-08-25 | 成都天奥电子股份有限公司 | Low-power-consumption control method of satellite time service clock system and clock system |
| CN110456628B (en) * | 2019-09-12 | 2020-12-08 | 珠海格力电器股份有限公司 | Method and device for automatically calibrating time of display screen, display screen and electric equipment |
| CN114200815B (en) * | 2021-11-15 | 2023-03-24 | 秦佳电气有限公司 | Method and system for improving timing precision of common timer |
| CN116776094B (en) * | 2023-08-22 | 2023-10-31 | 山东盈动智能科技有限公司 | Crystal oscillator temperature test data intelligent analysis storage system |
| CN116886080B (en) * | 2023-09-08 | 2023-12-29 | 宝捷时计电子（深圳）有限公司 | Control device for timing device and control method thereof |
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-
2013
- 2013-09-04 CN CN201310398296.2A patent/CN103454904B/en active Active
- 2013-11-22 WO PCT/CN2013/087700 patent/WO2015032132A1/en active Application Filing
- 2013-11-22 JP JP2016504457A patent/JP6282723B2/en active Active
- 2013-11-22 CN CN201380048462.4A patent/CN104937504B/en active Active
-
2016
- 2016-01-20 HK HK16100606.8A patent/HK1212788A1/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04315989A (en) * | 1991-04-16 | 1992-11-06 | Citizen Watch Co Ltd | Temperature-compensated electronic timepiece |
| JP2002168979A (en) * | 2000-11-30 | 2002-06-14 | Canon Inc | Time module and time correcting method for time module |
| CN201607626U (en) * | 2010-01-19 | 2010-10-13 | 深圳市星芯趋势科技有限责任公司 | High stability real-time clock circuit |
| CN102520608A (en) * | 2011-12-19 | 2012-06-27 | 深圳市航盛电子股份有限公司 | Method and device for automatically correcting automobile vehicle-mounted clock |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6282723B2 (en) | 2018-02-21 |
| JP2016512896A (en) | 2016-05-09 |
| WO2015032132A1 (en) | 2015-03-12 |
| CN104937504B (en) | 2017-12-26 |
| HK1212788A1 (en) | 2016-06-17 |
| CN104937504A (en) | 2015-09-23 |
| CN103454904A (en) | 2013-12-18 |
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