CN101995817B - Marine secondary clock - Google Patents
Marine secondary clock Download PDFInfo
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- CN101995817B CN101995817B CN 201010550988 CN201010550988A CN101995817B CN 101995817 B CN101995817 B CN 101995817B CN 201010550988 CN201010550988 CN 201010550988 CN 201010550988 A CN201010550988 A CN 201010550988A CN 101995817 B CN101995817 B CN 101995817B
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Abstract
The invention relates to a marine secondary clock comprising a control module, a communication interface, a detection module, an address setting module and a movement driving module, wherein the control module is respectively connected with the communication interface, the detection module, the address setting module and the movement driving module; the detection module is used for detecting the power down condition information of the secondary clock and sending the information to the control module; the control module is used for storing the time value of the power down time of the secondary clock and controlling the movement driving module to carry out clock calibration according to standard clock information sent by a master clock; when the secondary clock is in a non-power down working state, the working condition data of the secondary clock is sent to the master clock through the communication interface; and the address setting module is used for storing the address code of the secondary clock. The marine secondary clock can automatically store the time information of the power down time and automatically compares with the master clock and automatically chases time after being electrified to realize the point-to-point real time monitoring of the master clock on the working state of the secondary clock; moreover, the secondary clock can also carry out the intelligent judgment and rapid time-chasing calibration according to the standard clock provided by the master clock.
Description
Technical field
The present invention relates to a kind of secondary clock, specifically a kind of secondary clock peculiar to vessel.
Background technology
Princip al and subordinate clock system peculiar to vessel is in the process of Installation and Debugging, maintenance, perhaps normal operation; All may face the situation that has artificial parting system power supply or failover to have a power failure takes place; In the process that re-powers again; Owing to be provided with the RTC real-time clock in the master clock, so can guarantee UTC universal time and the accuracy of LT local time.In power up; For pointer-type secondary clock peculiar to vessel, in the time of can realizing that powering on of secondary clock chases after through following two kinds of methods: a kind of method is a no control circuit in the secondary clock peculiar to vessel, needs the poke rod at the artificial manual adjustment movement of the operation back side before powering on; All manually push 12 these integral points to the clock pin of all secondary clocks in the system constantly; After powering on, secondary clock receives the drive signal that master clock sends, during unified chasing after to the standard time; A kind of in addition method is to be provided with control circuit in the secondary clock; And also be provided with position feedback device in the secondary clock movement, secondary clock can be exported the effective feedback signal on the position of 12 integral points, but when just chasing after at once after secondary clock powers in the method; When just chasing after clockwise; No matter like this what state during power down, secondary clock all will chase after time to 12 integral point earlier to be had on the position of feedback, when chasing after as zero point again to the standard time.Two kinds of implementations operation that above-mentioned secondary clock powers on when chasing after is all comparatively loaded down with trivial details, and automaticity is poor, and when chasing after the time comparatively very long, no longer adapt in the practical application the secondary clock timeliness requirement when chasing after that powers on.
Summary of the invention
The present invention is directed in the above-mentioned prior art secondary clock peculiar to vessel defectives such as time length, automaticity difference when chasing after that power on, the secondary clock peculiar to vessel in the time of can chasing after automatically rapidly after a kind of the powering on is provided.
The technical scheme that the present invention solves the problems of the technologies described above is following: secondary clock peculiar to vessel comprises control module, communication interface, detection module, address setting module, movement driver module, and said control module links to each other with said communication interface, said detection module, said address setting module, said movement driver module respectively;
Said communication interface is used for the working condition data of this secondary clock peculiar to vessel are sent to the outside master clock peculiar to vessel of said secondary clock, and receives the standard time clock information that said master clock peculiar to vessel sends, and is sent to said control module;
Said detection module is used to detect the power-down conditions of this secondary clock peculiar to vessel, and said power-down conditions information is sent to said control module;
Said control module be used to preserve this secondary clock power down peculiar to vessel time value constantly, and the said movement driver module of standard time clock information Control that sends according to said master clock peculiar to vessel is carried out clock alignment; Also when said secondary clock peculiar to vessel is in the non-power-failure duty, the working condition data of said secondary clock peculiar to vessel are sent to said master clock peculiar to vessel through said communication interface;
Said address setting module is used to preserve the geocoding of this secondary clock peculiar to vessel, and is sent to said control module, by said control module said geocoding is sent to said master clock peculiar to vessel with said working condition data.
Further, said working condition comprises secondary clock clock alignment situation, secondary clock normal operation or secondary clock failure condition.
Further, said control module also judges that according to the standard time clock information of said master clock transmission peculiar to vessel it is that clockwise clock alignment still is counterclockwise clock alignment that this secondary clock peculiar to vessel is carried out the direction of quick clock alignment.
Further, said detection module comprises testing circuit, reference circuit, and said testing circuit links to each other with said control module, said reference circuit respectively;
Said reference circuit is used for to said testing circuit the threshold voltage that carries out detection of power loss being provided;
Said testing circuit is used for judging according to said threshold voltage the power-down conditions of this secondary clock peculiar to vessel, and is sent to said control module.
Further, said detection module comprises first resistance, second resistance, the 3rd resistance, the 4th resistance, electric capacity, adjustable shunting reference source, photoelectrical coupler,
Said first resistance links to each other with said the 3rd resistance, leads to said detection module outside jointly and accepts power supply; The other end of said first resistance is via said second resistance eutral grounding, and this end also links to each other with the control end of said adjustable shunting reference source; The other end of said the 3rd resistance links to each other with the anode of the light emitting source of said photoelectrical coupler, and the negative electrode of the light emitting source of said photoelectrical coupler links to each other with the negative electrode of said adjustable shunting reference source, the plus earth of said adjustable shunting reference source;
The collector of the light-receiving device of said photoelectrical coupler leads to said detection module outside accepts power supply, and the emitter of the light-receiving device of said photoelectrical coupler links to each other with said control module;
Said the 4th resistance and said electric capacity are connected in parallel, and an end links to each other with the emitter of the light-receiving device of said photoelectrical coupler, an end ground connection.
The invention has the beneficial effects as follows: the secondary clock peculiar to vessel of technical scheme of the present invention just can be preserved power down temporal information constantly automatically; Also can the secondary clock job information be sent to outside master clock peculiar to vessel simultaneously, realize the point-to-point real-time monitoring of master clock the secondary clock duty; In addition, secondary clock also can be carried out intelligent decision according to the standard time clock that master clock provides, calibration when realizing chasing after fast.
Description of drawings
Fig. 1 is the formation synoptic diagram of the present invention's secondary clock peculiar to vessel;
Fig. 2 is the formation synoptic diagram of the detection module among the present invention;
Fig. 3 is the formation synoptic diagram of a kind of embodiment of the detection module among the present invention.
Embodiment
Below in conjunction with accompanying drawing principle of the present invention and characteristic are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.
The present invention provides a kind of and preserves the power down temporal information and carry out the peculiar to vessel secondary clock of intelligence when chasing after; As shown in Figure 1; Secondary clock peculiar to vessel comprises control module 100, communication interface 200, detection module 300, address setting module 600, movement driver module 500, and control module 100 links to each other with communication interface 200, detection module 300, address setting module 600, movement driver module 500 respectively.Wherein, communication interface 200 be used for the working condition data of this secondary clock peculiar to vessel are sent to the outside master clock peculiar to vessel of secondary clock, and taken-over vessel is sent to control module 100 with the standard time clock information that master clock sends; Detection module 300 is used in the power-down conditions that stops when secondary clock peculiar to vessel is supplied power, to detect this secondary clock peculiar to vessel, and power-down conditions information is sent to control module 100; Control module 100 be used to preserve this secondary clock power down peculiar to vessel time value constantly, and the standard time clock information Control movement driver module 500 that sends according to master clock peculiar to vessel is carried out clock alignment; Also when secondary clock peculiar to vessel is in the non-power-failure duty, the working condition data of secondary clock peculiar to vessel are sent to master clock peculiar to vessel through communication interface 200; Address setting module 600 is used to preserve the geocoding of this secondary clock peculiar to vessel, and is sent to control module 100, by control module 100 geocoding is sent to master clock peculiar to vessel with the working condition data.This has just realized that secondary clock peculiar to vessel of the present invention just can preserve power down temporal information constantly, and the time that powers on when chasing after for shortening provides assurance.
Further, above-mentioned secondary clock comprises to the working condition of master clock feedback: secondary clock clock alignment situation, and promptly whether secondary clock carries out clock alignment in the standard time clock information of sending according to master clock; The secondary clock normal operation is when promptly whether secondary clock is accurately walked under the normal situation of power supply; The secondary clock failure condition, error situation when promptly whether secondary clock exists walking of fault initiation under the normal situation of power supply.
Further, control module 100 also judges that according to the standard time clock information that master clock peculiar to vessel sends it is that clockwise clock alignment still is counterclockwise clock alignment that secondary clock peculiar to vessel is carried out the direction of quick clock alignment.For example can the time value in the power down moment of preserving in the control module 100 and the standard time clock information that master clock sends be compared, the direction that the select time difference is minimum, thus decision is adopted when chasing after clockwise or employing realizes powering on when chasing after fast when chasing after counterclockwise.
As shown in Figure 2, detection module 300 comprises testing circuit 302, reference circuit 301, and testing circuit 302 links to each other with control module 100, reference circuit 301 respectively.Wherein, reference circuit 301 is used for to testing circuit 302 threshold voltage that carries out detection of power loss being provided; Testing circuit 302 is used for judging according to threshold voltage the power-down conditions of this secondary clock peculiar to vessel, and is sent to control module 100.
As shown in Figure 3, as a kind of implementation of the present invention, detection module comprises first resistance 1, second resistance 2, the 3rd resistance 3, the 4th resistance 4, electric capacity 5, adjustable shunting reference source 6, photoelectrical coupler 7.First resistance 1 links to each other with the 3rd resistance 3, leads to the detection module outside jointly and accepts power supply; The other end of first resistance 1 is via second resistance, 2 ground connection, and this end also links to each other with the control end of adjustable shunting reference source 6; The other end of the 3rd resistance 3 links to each other with the anode 71 of the light emitting source of photoelectrical coupler 7, and the negative electrode 72 of the light emitting source of photoelectrical coupler 7 links to each other the plus earth of adjustable shunting reference source 6 with the negative electrode of adjustable shunting reference source 6; The collector 73 of the light-receiving device of photoelectrical coupler 7 leads to the detection module outside accepts power supply, and the emitter 74 of the light-receiving device of photoelectrical coupler 7 links to each other with control module 100; The 4th resistance 4 is connected in parallel with electric capacity 5, and an end links to each other with the emitter 74 of the light-receiving device of photoelectrical coupler 7, an end ground connection, filtering clutter.
Be elaborated in the face of technical scheme of the present invention down:
At first, power-supply system is to detection module 300 continued powers, in power down constantly; After first resistance 1 and the 2 dividing potential drop effects of second resistance; Adjustable shunting reference source 6 is to photoelectrical coupler 7 output threshold voltages, and photoelectrical coupler 7 is started working, to the signal of control module 100 output expression power down information.
Secondly, after control module 100 receives the signal of expression power down information, then obtain and preserve power down time value information constantly immediately, the pointer position of the hour hands of carving copy secondary clock peculiar to vessel, minute hand, second hand when promptly preserving power down.At this moment, secondary clock peculiar to vessel gets into the power down program, and wait re-powers.
At last; After powering on; The standard time clock information that secondary clock peculiar to vessel is sent with master clock via communication interface 200 taken-over vessels; And be saved in the control module 100,100 power down time value information constantly according to its inside preservation of control module are judged automatically when the direction when chasing after fast still chases after when chasing after for suitable pointer counterclockwise, are controlled movement driver module 500 again and accomplish clock alignments.
The present invention's secondary clock peculiar to vessel is except that can power-down conditions being sent to the master clock; Also can with secondary clock carry out that the situation of clock alignment, situation or secondary clock fault when secondary clock is normally walked cause can not normally walk the time situation, be sent to master clock peculiar to vessel together with the address code information of secondary clock and carry out point-to-point real-time monitoring.
More than be merely preferred embodiment of the present invention, or not all within spirit of the present invention and principle in order to restriction the present invention, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. secondary clock peculiar to vessel; It is characterized in that; Comprise control module, communication interface, detection module, address setting module, movement driver module, said control module links to each other with said communication interface, said detection module, said address setting module, said movement driver module respectively;
Said communication interface is used for the working condition data of this secondary clock peculiar to vessel are sent to the outside master clock peculiar to vessel of said secondary clock, and receives the standard time clock information that said master clock peculiar to vessel sends, and is sent to said control module;
Said detection module is used to detect the power-down conditions of this secondary clock peculiar to vessel, and said power-down conditions information is sent to said control module;
Said control module be used to preserve this secondary clock power down peculiar to vessel time value constantly, and the said movement driver module of standard time clock information Control that sends according to said master clock peculiar to vessel is carried out clock alignment; Also when said secondary clock peculiar to vessel is in the non-power-failure duty, the working condition data of said secondary clock peculiar to vessel are sent to said master clock peculiar to vessel through said communication interface;
Said address setting module is used to preserve the geocoding of this secondary clock peculiar to vessel, and is sent to said control module, by said control module said geocoding is sent to said master clock peculiar to vessel with said working condition data.
2. secondary clock peculiar to vessel according to claim 1 is characterized in that,
Said working condition comprises secondary clock clock alignment situation, secondary clock normal operation or secondary clock failure condition.
3. secondary clock peculiar to vessel according to claim 1 and 2 is characterized in that,
The standard time clock information that said control module is also sent according to said master clock peculiar to vessel judges that it is that clockwise clock alignment still is counterclockwise clock alignment that this secondary clock peculiar to vessel is carried out the direction of quick clock alignment.
4. secondary clock peculiar to vessel according to claim 1 and 2 is characterized in that,
Said detection module comprises testing circuit and reference circuit, and said testing circuit links to each other with said control module, said reference circuit respectively;
Said reference circuit is used for to said testing circuit the threshold voltage that carries out detection of power loss being provided;
Said testing circuit is used for judging according to said threshold voltage the power-down conditions of this secondary clock peculiar to vessel, and is sent to said control module.
5. secondary clock peculiar to vessel according to claim 3 is characterized in that,
Said detection module comprises testing circuit and reference circuit, and said testing circuit links to each other with said control module, said reference circuit respectively;
Said reference circuit is used for to said testing circuit the threshold voltage that carries out detection of power loss being provided;
Said testing circuit is used for judging according to said threshold voltage the power-down conditions of this secondary clock peculiar to vessel, and is sent to said control module.
6. secondary clock peculiar to vessel according to claim 1 and 2 is characterized in that,
Said detection module comprises first resistance, second resistance, the 3rd resistance, the 4th resistance, electric capacity, adjustable shunting reference source and photoelectrical coupler,
Said first resistance links to each other with said the 3rd resistance, leads to said detection module outside jointly and accepts power supply; The other end of said first resistance is via said second resistance eutral grounding, and this end also links to each other with the control end of said adjustable shunting reference source; The other end of said the 3rd resistance links to each other with the anode of the light emitting source of said photoelectrical coupler, and the negative electrode of the light emitting source of said photoelectrical coupler links to each other with the negative electrode of said adjustable shunting reference source, the plus earth of said adjustable shunting reference source;
The collector of the light-receiving device of said photoelectrical coupler leads to said detection module outside accepts power supply, and the emitter of the light-receiving device of said photoelectrical coupler links to each other with said control module;
Said the 4th resistance and said electric capacity are connected in parallel, and an end links to each other with the emitter of the light-receiving device of said photoelectrical coupler, an end ground connection.
7. secondary clock peculiar to vessel according to claim 3 is characterized in that,
Said detection module comprises first resistance, second resistance, the 3rd resistance, the 4th resistance, electric capacity, adjustable shunting reference source and photoelectrical coupler,
Said first resistance links to each other with said the 3rd resistance, leads to said detection module outside jointly and accepts power supply; The other end of said first resistance is via said second resistance eutral grounding, and this end also links to each other with the control end of said adjustable shunting reference source; The other end of said the 3rd resistance links to each other with the anode of the light emitting source of said photoelectrical coupler, and the negative electrode of the light emitting source of said photoelectrical coupler links to each other with the negative electrode of said adjustable shunting reference source, the plus earth of said adjustable shunting reference source;
The collector of the light-receiving device of said photoelectrical coupler leads to said detection module outside accepts power supply, and the emitter of the light-receiving device of said photoelectrical coupler links to each other with said control module;
Said the 4th resistance and said electric capacity are connected in parallel, and an end links to each other with the emitter of the light-receiving device of said photoelectrical coupler, an end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010550988 CN101995817B (en) | 2010-11-19 | 2010-11-19 | Marine secondary clock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010550988 CN101995817B (en) | 2010-11-19 | 2010-11-19 | Marine secondary clock |
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| Publication Number | Publication Date |
|---|---|
| CN101995817A CN101995817A (en) | 2011-03-30 |
| CN101995817B true CN101995817B (en) | 2012-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010550988 Active CN101995817B (en) | 2010-11-19 | 2010-11-19 | Marine secondary clock |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103869687B (en) * | 2012-12-18 | 2017-02-08 | 深圳市飞亚达科技发展有限公司 | Clock controller and clock |
| CN110794667A (en) * | 2019-10-25 | 2020-02-14 | 伟力驱动技术（深圳）有限公司 | Clock movement |
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| CN201909957U (en) * | 2010-11-19 | 2011-07-27 | 烟台持久钟表集团有限公司 | Marine secondary clock |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0618681A (en) * | 1992-07-02 | 1994-01-28 | Seiko Instr Inc | Transmitter-receiver system, transmitter and receiver |
| US7522688B2 (en) * | 2004-04-27 | 2009-04-21 | The Sapling Company, Inc. | Wireless clock system and method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1808312A (en) * | 2005-01-19 | 2006-07-26 | 乐金电子（沈阳）有限公司 | Time setting method and apparatus for electronic equipment |
| CN1854753A (en) * | 2005-04-20 | 2006-11-01 | 精工爱普生株式会社 | Keeping accurate time for a hybrid GPS receiver and mobile phone when powered off |
| CN200983085Y (en) * | 2006-11-09 | 2007-11-28 | 青岛市广播电视局 | Automatic calibration clock utilizing broadcast time reporting information for precise synchronization |
| JP2009222486A (en) * | 2008-03-14 | 2009-10-01 | Kinkei System Corp | Time device and portable electronic apparatus |
| CN201909957U (en) * | 2010-11-19 | 2011-07-27 | 烟台持久钟表集团有限公司 | Marine secondary clock |
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| CN101995817A (en) | 2011-03-30 |
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