CN102778837B - Clock with calibration function - Google Patents
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- CN102778837B CN102778837B CN201210237951.1A CN201210237951A CN102778837B CN 102778837 B CN102778837 B CN 102778837B CN 201210237951 A CN201210237951 A CN 201210237951A CN 102778837 B CN102778837 B CN 102778837B
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Abstract
The invention provides a clock with calibration function. The clock with calibration function comprises a dial plate with time scales, as well as an hour hand and a minute hand, an hour hand calibration module, a minute hand calibration module, an hour hand driving mechanism and a minute hand driving mechanism, wherein the hour hand and the minute hand are arranged on the dial plate, the hour hand driving mechanism is used for driving the hour hand to rotate under the control of an hour control signal generated by the hour hand calibration module, and the minute hand driving mechanism is used for driving the minute hand to rotate under the control of a minute control signal generated by the minute hand calibration module. According to the clock with calibration function, the error caused by the driving relevance of the hour hand and the minute hand can be avoided, and the hour hand and the minute hand can also be separately calibrated, thereby being easy to control, being capable of realizing calibration of the block without expending a great deal of time and effort, and greatly improving the clock calibration efficiency.
Description
Technical field
The present invention relates to clock and watch technology, relate in particular to a kind of clock and watch with calibration function.
Background technology
Clock and watch, as a requisite part in people's daily life, are widely used in personal lifestyle and public arena.Large-scale clock and watch are arranged on the public arena such as railway station, square conventionally, for people provide temporal information, therefore higher to the time accuracy requirement of large-scale clock and watch.Clock and watch, after work a period of time, often there will be inaccurate situation of time, need to carry out time calibration.
In prior art during to the school of clock and watch, conventionally by eye-observation, manually by time, minute, second pin is transferred to correct time, cumbersome, and calibration error is large.After stopping running a period of time, clock and watch to clock and watch calibration, need to spend long time.Large-scale clock and watch are due to through being normally placed on high-rise, particularly inconvenient during by the artificial school to large-scale clock and watch, can not ensure the time accuracy of large-scale clock and watch.
Summary of the invention
The invention provides a kind of clock and watch with calibration function, when realizing the school to the especially large-scale clock and watch of clock and watch, improve the efficiency to clock and watch calibration.
The invention provides a kind of clock and watch with calibration function, comprise the dial plate that is provided with time scale, and be arranged on hour hands and the minute hand on described dial plate, also comprise hour hands calibration module, minute hand calibration module, for generate at described hour hands calibration module time control signal control under drive described hour hands rotation time drive point needle drive mechanism of described minute hand rotation under needle drive mechanism and the control for the dividing control signal that generates at described minute hand calibration module;
Described hour hands calibration module comprises:
The first element to be detected, described the first element to be detected is arranged on when described on needle drive mechanism, and arranges corresponding to the position of described hour hands;
For detection of the position of described the first element to be detected, and the first detecting element of needle position signal while generating, when described the first detecting element is contiguous described, needle drive mechanism arranges;
For according to receive school time information and needle position signal when described, generate control signal when described, control needle drive mechanism when described and drive described hour hands rotation, when indicating described school information time information time control module, when described, control module is connected with described the first detecting element;
Described minute hand calibration module comprises:
The second element to be detected, described the second element to be detected is arranged on described point needle drive mechanism, and arranges corresponding to the position of described minute hand;
For detection of the position of described the second element to be detected, and generate the second detecting element that divides needle position signal, the contiguous described point needle drive mechanism setting of described the second detecting element;
For according to receive described school time information and described point of needle position signal, generate described dividing control signal, control a described point needle drive mechanism and drive described minute hand rotation, point control module of point information of information when indicating described school, described point of control module is connected with described the second detecting element;
When described, needle drive mechanism control module when described is connected, and when described, the output shaft of needle drive mechanism is connected with an end of described hour hands through described dial plate;
Described point of needle drive mechanism is connected with described point of control module, and the output shaft of described point of needle drive mechanism is connected with an end of described minute hand through described dial plate.
The clock and watch with calibration function as above, also comprise:
Be arranged on second hand on described dial plate, second hand calibration module and for generate at described second hand calibration module second control signal control under drive described second hand to rotate second hand driving mechanism;
Described second hand calibration module comprises:
The 3rd element to be detected, described the 3rd element to be detected is arranged on described second hand driving mechanism, and arranges corresponding to the position of described second hand;
For detection of the position of described the 3rd element to be detected, and generate the 3rd detecting element of second hand position signalling, the contiguous described second hand driving mechanism of described the 3rd detecting element arranges;
For according to receive described school time information and described second hand position signalling, generate described second control signal, control described second hand driving mechanism and drive described second hand rotation, when indicating described school information second information control module second, within described second, control module is connected with described the 3rd detecting element;
Described second hand driving mechanism is connected with described second control module, and the output shaft of described second hand driving mechanism is connected with an end of described second hand through described dial plate.
The clock and watch with calibration function as above, also comprise for the big-dipper satellite time signal to receiving and processing, the satellite-signal processing module of information when obtaining described school;
Described satellite-signal processing module respectively when described control module, described point of control module and described second control module be connected, described satellite-signal processing module has satellite signal receiving end, described satellite-signal processing module by described satellite signal receiving end be connected for the satellite earth antenna that receives described big-dipper satellite time signal.
The clock and watch with calibration function as above, wherein:
Described the first element to be detected is the first magnet, and described the second element to be detected is the second magnet, and described the 3rd element to be detected is the 3rd magnet;
Described the first detecting element comprises:
For detection of the position of described the first magnet, and produce the first Hall element of the first magnetic variable signal;
The first signal processing unit of needle position signal when described for described the first magnetic variable signal is amplified, is shaped to, described first signal processing unit is connected with described the first Hall element;
Described the second detecting element comprises:
For detection of the position of described the second magnet, and produce the second Hall element of the second magnetic variable signal;
For described the second magnetic variable signal being amplified, is shaped to the secondary signal processing unit of described point needle position signal, described secondary signal processing unit is connected with described the second Hall element;
Described the 3rd detecting element comprises:
For detection of the position of described the 3rd magnet, and produce the 3rd Hall element of the 3rd magnetic variable signal;
For described the 3rd magnetic variable signal being amplified, is shaped to the 3rd signal processing unit of described second hand position signalling, described the 3rd signal processing unit is connected with described the 3rd Hall element.
The clock and watch with calibration function as above, wherein:
Described the first element to be detected is the first light-emitting component, and described the second element to be detected is the second light-emitting component, and described the 3rd element to be detected is the 3rd light-emitting component;
Described the first detecting element comprises:
For detection of the position of described the first light-emitting component, and produce the first light activated element of the first smooth variable signal;
The 4th signal processing unit of needle position signal when described for described the first smooth variable signal is amplified, is shaped to, described the 4th signal processing unit is connected with described the first light activated element;
Described the second detecting element comprises:
For detection of the position of described the second light-emitting component, and produce the second light activated element of the second smooth variable signal;
For described the second smooth variable signal being amplified, is shaped to the 5th signal processing unit of described point needle position signal, described the 5th signal processing unit is connected with described the second light activated element;
Described the 3rd detecting element comprises:
For detection of the position of described the 3rd light-emitting component, and produce the 3rd light activated element of the 3rd smooth variable signal;
For described the 3rd smooth variable signal being amplified, is shaped to the 6th signal processing unit of described second hand position signalling, described the 6th signal processing unit is connected with described the 3rd light activated element.
The clock and watch with calibration function as above, wherein:
Needle drive mechanism when described, comprise the time brshless DC motor rotating under signal driver for controlling when described, and the time straight-tooth reduction gearing that brshless DC motor is connected when described, slow down to drive described hour hands for the rotation of brshless DC motor when described;
Described point of needle drive mechanism, comprise point brshless DC motor for rotation under driving at described dividing control signal, and is connected with described point of brshless DC motor, divide straight-tooth reduction gearing for what the rotation of described point of brshless DC motor is slowed down drive described minute hand;
Described second hand driving mechanism, comprise the second brshless DC motor for rotation under driving in described second control signal, and is connected with described second brshless DC motor, for the rotation of described second brshless DC motor being slowed down drive second straight-tooth reduction gearing of described second hand.
As shown from the above technical solution, the clock and watch with calibration function provided by the invention, by time needle drive mechanism and a point needle drive mechanism, can drive respectively hour hands and minute hand rotation, can avoid the associated error causing of driving of hour hands and minute hand, and by corresponding respectively to the setting of hour hands calibration module and minute hand calibration module of hour hands and minute hand, the physical location of hour hands and minute hand can be detected, and information is calibrated hour hands and minute hand respectively during according to school, hour hands and minute hand are calibrated respectively, be easy to control, can realize the school to clock and watch without a large amount of time and efforts of cost time, greatly improve the efficiency to clock and watch calibration.
Brief description of the drawings
A kind of clock structure schematic diagram with calibration function that Fig. 1 provides for the embodiment of the present invention;
The another kind that Fig. 2 provides for the embodiment of the present invention has the clock structure schematic diagram of calibration function.
Reference numeral:
11-hour hands calibration module; 12-minute hand calibration module;
13-second hand calibration module; Needle drive mechanism when 21-;
22-divides needle drive mechanism; 23-second hand driving mechanism;
31-hour hands; 32-minute hand;
33-second hand; 111-first element to be detected;
121-second element to be detected; 131-the 3rd element to be detected;
112-the first detecting element; 122-the second detecting element;
132-the 3rd detecting element; Control module when 113-;
123-divides control module; 133-control module second;
41-satellite-signal processing module; 42-satellite earth antenna;
Brshless DC motor when 211-; 221-divides brshless DC motor;
231-brshless DC motor second; Straight-tooth reduction gearing when 212-;
222-divides straight-tooth reduction gearing; 232-straight-tooth second reduction gearing.
Embodiment
A kind of clock structure schematic diagram with calibration function that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, these clock and watch with calibration function comprise the dial plate (not shown) that is provided with time scale, and be arranged on hour hands 31 and the minute hand 32 on dial plate, also comprise hour hands calibration module 11, minute hand calibration module 12, for generate at hour hands calibration module 11 time control signal control under drive that hour hands 31 rotate time drive minute hand 32 to rotate under needle drive mechanism 21 and the control for the dividing control signal that generates at minute hand calibration module 12 point needle drive mechanism 22.
Hour hands calibration module 11 comprises the first element 111 to be detected, position for detection of the first element 111 to be detected, and while generating needle position signal the first detecting element 112 and for according to receive school time information and time needle position signal, control signal when generation, when control, needle drive mechanism 21 drives hour hands 31 to rotate, when indicating school information time information time control module 113.When the first element 111 to be detected is arranged on needle drive mechanism 21, and arrange corresponding to the position of hour hands 31, the first detecting element 112 when contiguous needle drive mechanism 21 arrange, time control module 113 be connected with the first detecting element 112.
Minute hand calibration module 12 comprises the second element 121 to be detected, position for detection of the second element 121 to be detected, and generate the second detecting element 122 of point needle position signal and for according to receive school time information and a point needle position signal, generate dividing control signal, control a point needle drive mechanism 22 and drive minute hand 32 to rotate, point control module 123 of point information of information when indicating school.The second element 121 to be detected is arranged on point needle drive mechanism 22, and arranges corresponding to the position of minute hand 32, and the second 122 contiguous points of detecting elements needle drive mechanism 22 arranges, and point control module 123 is connected with the second detecting element 122.
Time needle drive mechanism 21 with time control module 113 be connected, time needle drive mechanism 21 output shaft be connected with an end of hour hands 31 through dial plate, divide needle drive mechanism 22 to be connected with point control module 123, the output shaft of point needle drive mechanism 22 is connected with an end of minute hand 32 through dial plate.
Particularly, hour hands calibration module 11 is for calibrating hour hands 31, and minute hand calibration module 12 is for the calibration to minute hand 32.The first element 111 to be detected in hour hands calibration module 11 is arranged on while being on needle drive mechanism 21, and specifically can be arranged on time, on the gear being connected with hour hands 31 of needle drive mechanism 21, this first element 111 to be detected rotates with gear.This first element 111 to be detected arranges corresponding to the position of hour hands 31, and the position of this first element 111 to be detected is the position of hour hands 31.When the first detecting element 112 is close to this, needle drive mechanism 21 arranges, for example the first detecting element 112 is arranged on 12 positions, when the first element 111 to be detected rotates on 12 positions, this the first element 111 to be detected can be detected, the position of the first element 111 to be detected detected, needle position signal when generation, this time needle position signal in order to indicate the position of hour hands 31.The first element 111 to be detected is specially the element that can produce magnetic signal, light signal or infrared signal, correspondingly, the first detecting element 112 can be magneto-dependent sensor, light sensor or infrared sensor, the first element 111 to be detected and the first detecting element 112 can need to arrange according to actual detection, to coordinate the detection realizing hour hands 31 positions, be not limited with the present embodiment.
The implementation of minute hand calibration module 12 and above-mentioned hour hands calibration module 11 implementations are similar, do not repeat them here.
The clock and watch of what the present embodiment provided have calibration function, by time needle drive mechanism 21 and a point needle drive mechanism 22, can drive respectively hour hands 31 and minute hand 32 to rotate, can avoid the associated error causing of driving of hour hands 31 and minute hand 32, and by corresponding respectively to the setting of hour hands calibration module 11 and minute hand calibration module 12 of hour hands 31 and minute hand 32, the physical location of hour hands 31 and minute hand 32 can be detected, and information is calibrated hour hands 31 and minute hand 32 respectively during according to school, hour hands 31 and minute hand 32 are calibrated respectively, be easy to control, can realize the school to clock and watch without a large amount of time and efforts of cost time, greatly improve the efficiency to clock and watch calibration.
The another kind that Fig. 2 provides for the embodiment of the present invention has the clock structure schematic diagram of calibration function.As shown in Figure 2, in the present embodiment, these clock and watch with calibration function also comprise the second hand 33 that can be arranged on dial plate, second hand calibration module 13 and for generate at second hand calibration module 13 second control signal control under drive second hand 33 to rotate second hand driving mechanism 23.Second hand calibration module 13 comprises the 3rd element 131 to be detected, position for detection of the 3rd element 131 to be detected, and generate the 3rd detecting element 132 of second hand position signalling and for according to receive school time information and second hand position signalling, generate a second control signal, control second hand driving mechanism 23 and drive second hand 33 to rotate, when indicating school information second information control module 133 second.The 3rd element 131 to be detected is arranged on second hand driving mechanism 23, and arranges corresponding to the position of second hand 33, and the contiguous second hand driving mechanism 23 of the 3rd detecting element 132 arranges, and a second control module 133 is connected with the 3rd detecting element 132.Second hand driving mechanism 23 is connected with a second control module 133, and the output shaft of second hand driving mechanism 23 is connected with an end of second hand 33 through dial plate.
The implementation of the implementation of second hand calibration module 13 and above-mentioned hour hands calibration module 11 is similar, does not repeat them here.
Also be independent setting for driving second hand driving mechanism 23 that second hand 33 rotates, with the time needle drive mechanism 21 and drive point needle drive mechanism 22 that minute hand 32 rotates not have associated that drives that hour hands 31 rotate.13 of second hand calibrating dies that arrange corresponding to second hand 33 can detect the position of second hand 33, and according to receive school time information second in information, control second hand 33 and rotate so that second hand 33 rotates to the position that meets second information, realize the calibration to second hand 33.
In the present embodiment, these clock and watch with calibration function can also comprise for the big-dipper satellite time signal to receiving to be processed, the satellite-signal processing module 41 of information when obtaining school.Satellite-signal processing module 41 respectively with time control module 113, point control module 123 and a second control module 133 be connected, satellite-signal processing module 41 has satellite signal receiving end, and satellite-signal processing module 41 via satellite signal receiving end is connected with the satellite earth antenna 42 for receiving big-dipper satellite time signal.
Satellite-signal processing module 41 is receiving antenna 42 via satellite, receives the big-dipper satellite time signal that big-dipper satellite sends, and in this big-dipper satellite time signal, includes standard time information.Satellite-signal processing module 41 specifically can be carried out this big-dipper satellite time signal demodulation, decoding is processed, and obtains standard time information, information during as this school.The setting of signal processing module 41 via satellite, information when the big-dipper satellite time signal receiving is processed to obtain school, during according to this school, information is carried out time calibration to clock and watch, can improve the accuracy of clock and watch calibration.
Concrete, can be real-time to the reception of big-dipper satellite time signal, time reference that can be using this big-dipper satellite time signal as clock and watch, in clock and watch operational process, realize the calibration to the time, in having ensured watch time accuracy, carry out watch time calibration without ancillary cost manpower, further improved the efficiency to clock and watch calibration.
Process time calibration of the clock and watch with calibration function that below the present embodiment provided is described in detail.
When clock and watch stop running a period of time or the time of re-powering, receive in real time big-dipper satellite time signal, drive hour hands 31 and minute hand 32 to rotate, can drive second hand 33 to rotate, second hand 33 also can be motionless.The second detecting element 122 in the first detecting element 112, minute hand calibration module 12 in hour hands calibration module 11 and the 3rd detecting unit in second hand calibration module 13 are all arranged on 12 positions of dial plate, detect when hour hands 31 and minute hand 32 rotate to 12 positions, hour hands 31 and minute hand 32 are stopped.While starting school, to big-dipper satellite time signal carry out demodulation, decoding obtains information when school after processing, and drives second hand 33 normally to rotate, when high-ranking officers in information time information and hour hands 31 position compare, calculate the step-length of hour hands 31, control signal when generation.Point information when high-ranking officers in information and the position of minute hand 32 compare, and calculate the step-length of minute hand 32, generate dividing control signal.The position of information in information time when hour hands 31 are rotated to school by needle drive mechanism 21 when time is controlled signal controlling, position when dividing control signal control divides needle drive mechanism 22 that minute hand 32 is rotated to school in information point.And second hand 33 is in process rotatably, in the time rotating to 12 positions, pointer position detection module can detect second hand 33, produce second hand position signalling, information second during according to this second hand position signalling and school in information compares, generate a second control signal, control second hand driving mechanism 23 second hand 33 is rotated, while making second hand 33 complete the school to second in operational process.
For example information is 14: 20: 50 when school, get back to behind 12 positions at hour hands 31 and minute hand 32, respectively hour hands 31 are rotated to 2 positions, minute hand 32 is rotated to 4 positions, when, information is carried out school when in second hand 33 the school that constantly basis receives in real time in rotary course, while making the indicated time of clock and watch with school, information is identical.
The time service information providing for big-dipper satellite reference time due to clock and watch, in clock and watch normal course of operation, by the position signalling with the pointer detecting according to the time service information receiving in real time, to produce the rotation of control signal steering needle, can realize in real time the calibration to watch time.
In the present embodiment, the first element 111 to be detected is the first magnet, and the second element 121 to be detected is the second magnet, and the 3rd element 131 to be detected is the 3rd magnet.The first detecting element 112 comprises the position for detection of the first magnet, and produce the first Hall element of the first magnetic variable signal, and for the first magnetic variable signal is amplified, while being shaped to the first signal processing unit of needle position signal, first signal processing unit is connected with the first Hall element.The second detecting element 122 comprises the position for detection of the second magnet, and produce the second Hall element of the second magnetic variable signal, and for the second magnetic variable signal being amplified, is shaped to the secondary signal processing unit of point needle position signal, secondary signal processing unit is connected with the second Hall element.The 3rd detecting element 132 comprises the position for detection of the 3rd magnet, and produce the 3rd Hall element of the 3rd magnetic variable signal, and for the 3rd magnetic variable signal being amplified, is shaped to the 3rd signal processing unit of second hand position signalling, the 3rd signal processing unit is connected with the 3rd Hall element.
The first magnet, the first Hall element and first signal processing unit coordinate the calibration realizing hour hands 31, the first Hall element can be according to detecting the position sometime that need to set in advance at dial plate, as 12 positions, when the first magnet can be arranged on the gear being connected with hour hands 31 of needle drive mechanism 21, and the position of the first magnet is corresponding with the position of hour hands 31.In the time that these gear driven hour hands 31 rotate, the first magnet also can change with respect to the position of dial plate, and the position of hour hands 31 can be reflected in the position of this first magnet.In the time that pointer rotates to 12 positions, the first Hall element can detect the magnetic field of this first magnet, produces the first magnetic variable signal.Needle position signal when first signal processing unit amplifies this first magnetic variable signal, be shaped to, this time needle position signal in order to indicate hour hands 31 to be in the position of 12.Also can be according to the school of hour hands 31 time, need to the first Hall element be set in the relevant position of multiple time points, for example, the first Hall element can be all set on the relevant position of the each time point of 1-12, can be to hour hands 31 calibration per hour once.
The second magnet, the second Hall element and secondary signal processing unit coordinate the calibration realizing minute hand 32, the 3rd magnet, the 3rd Hall element and the 3rd signal processing unit coordinate the calibration realizing second hand 33, its implementation procedure and the above-mentioned implementation procedure that hour hands 31 are calibrated are similar, do not repeat them here.
In the present embodiment, the first element 111 to be detected is the first light-emitting component, and the second element 121 to be detected is the second light-emitting component, and the 3rd element 131 to be detected is the 3rd light-emitting component.The first detecting element 112 comprises the position for detection of the first light-emitting component, and produce the first light activated element of the first smooth variable signal, and when the first smooth variable signal is amplified, is shaped to the 4th signal processing unit of needle position signal, the 4th signal processing unit is connected with the first light activated element.The second detecting element 122 comprises the position for detection of the second light-emitting component, and produce the second light activated element of the second smooth variable signal, and for the second smooth variable signal being amplified, is shaped to the 5th signal processing unit of point needle position signal, the 5th signal processing unit is connected with the second light activated element.The 3rd detecting element 132 comprises the position for detection of the 3rd light-emitting component, and produce the 3rd light activated element of the 3rd smooth variable signal, and for the 3rd smooth variable signal being amplified, is shaped to the 6th signal processing unit of second hand position signalling, the 6th signal processing unit is connected with the 3rd light activated element.Particularly, can realize light-emitting component and light activated element by photoelectric code disk, by being equipped with in the detection realizing pointer position of light-emitting component and light activated element, precision is higher, can improve the accuracy that pointer position detects.
In the present embodiment, time needle drive mechanism 21 comprise for time control the time brshless DC motor 211 rotating under signal driver, and with time brshless DC motor 211 that be connected, for by time brshless DC motor 211 rotation slow down to drive the time straight-tooth reduction gearing 212 of hour hands 31.Point needle drive mechanism 22 comprises point brshless DC motor 221 for rotation under driving at dividing control signal, and that be connected with point brshless DC motor 221, for the rotation of point brshless DC motor 221 being slowed down to drive point straight-tooth reduction gearing 222 of minute hand 32.Second hand driving mechanism 23 comprises the second brshless DC motor 231 for rotation under second, control signal drove, and with second brshless DC motor 231 that be connected, for brshless DC motor 231 rotation second being slowed down drive the straight-tooth reduction gearing 232 second of second hand 33.Straight-tooth reduction gearing can, for having the gear set of default ratio of gear, realize deceleration and transmission to brshless DC motor output.
Particularly, time brshless DC motor 211, point brshless DC motor 221 and a second brshless DC motor 231 all can adopt electro-mechanical mixed brshless DC motor, corner of the every motion of this electro-mechanical mixed brshless DC motor all has feedback signal, therefore angle position precise control, drive current control is level and smooth, utilize pulse-length modulation (Pulse Width Modulation, be called for short PWM) control can have 60,000 multistage, and it is high that efficiency is wanted, power consumption is little, can realize by natural energy as sun power the power supplies such as wind energy.Avoided by using stepper motor owing to only having input pulse control there is no executing state feedback, the defect throwing switch easily producing in the time of load variations, makes Electric Machine Control by original open cycle system, has become closed-loop system.Time straight-tooth reduction gearing 212, point straight-tooth reduction gearing 222 and spur gear slowing-down structure that second straight-tooth reduction gearing 232 adopts, motor is level and smooth to the Relationship Comparison between load, motor can be adjusted in time according to the variation of load, little life-span of wearing and tearing is long, has avoided turbine and worm reduction gear to cross the defect of moment of torsion output infringement parts.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (3)
1. one kind has the clock and watch of calibration function, comprise the dial plate that is provided with time scale, and be arranged on hour hands and the minute hand on described dial plate, it is characterized in that: also comprise hour hands calibration module, minute hand calibration module, for generate at described hour hands calibration module time control signal control under drive described hour hands rotation time drive point needle drive mechanism of described minute hand rotation under needle drive mechanism and the control for the dividing control signal that generates at described minute hand calibration module;
Described hour hands calibration module comprises:
The first element to be detected, described the first element to be detected is arranged on the gear being connected with hour hands of needle drive mechanism when described, the first element to be detected rotates with gear, and arranges corresponding to the position of described hour hands, and the position of this first element to be detected is the position of hour hands;
For detection of the position of described the first element to be detected, and the first detecting element of needle position signal while generating, when when described the first detecting element is contiguous described, needle drive mechanism setting and this first detecting element are arranged on one on position;
For according to receive school time information and needle position signal when described, generate control signal when described, control needle drive mechanism when described and drive described hour hands rotation, when indicating described school information time information time control module, when described, control module is connected with described the first detecting element;
Described minute hand calibration module comprises:
The second element to be detected, described the second element to be detected is arranged on the gear being connected with minute hand of described point needle drive mechanism, the second element to be detected rotates with gear, and arranges corresponding to the position of described minute hand, and the position of this second element to be detected is the position of minute hand;
For detection of the position of described the second element to be detected, and generate the second detecting element that divides needle position signal, the contiguous described point needle drive mechanism setting of described the second detecting element and this second detecting element are arranged on a point of position;
For according to receive described school time information and described point of needle position signal, generate described dividing control signal, control a described point needle drive mechanism and drive described minute hand rotation, point control module of point information of information when indicating described school, described point of control module is connected with described the second detecting element;
When described, needle drive mechanism control module when described is connected, and when described, the output shaft of needle drive mechanism is connected with an end of described hour hands through described dial plate;
Described point of needle drive mechanism is connected with described point of control module, and the output shaft of described point of needle drive mechanism is connected with an end of described minute hand through described dial plate;
Also comprise:
Be arranged on second hand on described dial plate, second hand calibration module and for generate at described second hand calibration module second control signal control under drive described second hand to rotate second hand driving mechanism;
Described second hand calibration module comprises:
The 3rd element to be detected, described the 3rd element to be detected is arranged on the gear being connected with second hand of described second hand driving mechanism, the 3rd element to be detected rotates with gear, and arranges corresponding to the position of described second hand, and the position of the 3rd element to be detected is the position of second hand;
For detection of the position of described the 3rd element to be detected, and generate the 3rd detecting element of second hand position signalling, the contiguous described second hand driving mechanism setting of described the 3rd detecting element and the 3rd detecting element are arranged on a second position;
For according to receive described school time information and described second hand position signalling, generate described second control signal, control described second hand driving mechanism and drive described second hand rotation, when indicating described school information second information control module second, within described second, control module is connected with described the 3rd detecting element;
Described second hand driving mechanism is connected with described second control module, and the output shaft of described second hand driving mechanism is connected with an end of described second hand through described dial plate;
Described the first element to be detected is the first magnet, and described the second element to be detected is the second magnet, and described the 3rd element to be detected is the 3rd magnet;
Described the first detecting element comprises:
For detection of the position of described the first magnet, and produce the first Hall element of the first magnetic variable signal;
The first signal processing unit of needle position signal when described for described the first magnetic variable signal is amplified, is shaped to, described first signal processing unit is connected with described the first Hall element;
Described the second detecting element comprises:
For detection of the position of described the second magnet, and produce the second Hall element of the second magnetic variable signal;
For described the second magnetic variable signal being amplified, is shaped to the secondary signal processing unit of described point needle position signal, described secondary signal processing unit is connected with described the second Hall element;
Described the 3rd detecting element comprises:
For detection of the position of described the 3rd magnet, and produce the 3rd Hall element of the 3rd magnetic variable signal;
For described the 3rd magnetic variable signal being amplified, is shaped to the 3rd signal processing unit of described second hand position signalling, described the 3rd signal processing unit is connected with described the 3rd Hall element.
2. the clock and watch with calibration function according to claim 1, is characterized in that: also comprise for the big-dipper satellite time signal to receiving and processing, the satellite-signal processing module of information when obtaining described school;
Described satellite-signal processing module respectively when described control module, described point of control module and described second control module be connected, described satellite-signal processing module has satellite signal receiving end, described satellite-signal processing module by described satellite signal receiving end be connected for the satellite earth antenna that receives described big-dipper satellite time signal.
3. the clock and watch with calibration function according to claim 1, is characterized in that:
Needle drive mechanism when described, comprise the time brshless DC motor rotating under signal driver for controlling when described, and the time straight-tooth reduction gearing that brshless DC motor is connected when described, slow down to drive described hour hands for the rotation of brshless DC motor when described;
Described point of needle drive mechanism, comprise point brshless DC motor for rotation under driving at described dividing control signal, and is connected with described point of brshless DC motor, divide straight-tooth reduction gearing for what the rotation of described point of brshless DC motor is slowed down drive described minute hand;
Described second hand driving mechanism, comprise the second brshless DC motor for rotation under driving in described second control signal, and is connected with described second brshless DC motor, for the rotation of described second brshless DC motor being slowed down drive second straight-tooth reduction gearing of described second hand.
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| CN201210237951.1A CN102778837B (en) | 2011-10-27 | 2012-07-09 | Clock with calibration function |
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| CN201110332305.9 | 2011-10-27 | ||
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| CN201210237951.1A CN102778837B (en) | 2011-10-27 | 2012-07-09 | Clock with calibration function |
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| CN102778837B true CN102778837B (en) | 2014-06-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103186093A (en) * | 2013-03-11 | 2013-07-03 | 华南理工大学 | Dual-plate rotating mechanical 24-hour clock controlled by singlechip |
| CN104035323A (en) * | 2014-06-14 | 2014-09-10 | 福州宜美电子有限公司 | Method for automatically tuning a pointer to achieve network time service by using mobile device |
| CN106873353B (en) * | 2017-03-15 | 2019-07-26 | 联想(北京)有限公司 | It obtains the method for watch time, adjust the method and clock and watch of watch time |
| CN107908095B (en) * | 2017-11-16 | 2019-09-10 | 广东乐芯智能科技有限公司 | A kind of automatic time synchronization method of wrist-watch based on loop circuit |
| CN107703731B (en) * | 2017-11-16 | 2019-09-10 | 广东乐芯智能科技有限公司 | A kind of automatic time synchronization method of wrist-watch based on flexible strain transducer |
| CN109164696A (en) * | 2018-09-29 | 2019-01-08 | 深圳智芯数据服务有限公司 | A kind of clock pointers localization method, calibration method, equipment and readable storage medium storing program for executing |
| CN110647029A (en) * | 2019-09-27 | 2020-01-03 | 歌尔股份有限公司 | Intelligent wristwatch and time calibration method and device thereof |
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| CN1534410A (en) * | 2003-03-31 | 2004-10-06 | 石狮市亚洲塑料电子有限公司 | Radio wave clock movement positioning mechanism and its positioning method |
| FR2884927B1 (en) * | 2005-04-22 | 2007-06-29 | Valeo Systemes Thermiques | METHOD AND APPARATUS FOR RESETTING A SET OF COAXIAL ROTATING ELEMENTS OBTAINING A CINEMA LAW, AND CORRESPONDING SYSTEMS |
| CN201004165Y (en) * | 2006-11-16 | 2008-01-09 | 唐政平 | Watch with global positioning function and automatic time authorization |
| CN102289191B (en) * | 2011-08-02 | 2014-04-30 | 东莞丝丽雅电子科技有限公司 | Mechanism for positioning pointers of watch and methods for positioning, resetting and calibrating pointers |
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