CN108572542A - A kind of pointer calibration method, system and indicator device - Google Patents
A kind of pointer calibration method, system and indicator device Download PDFInfo
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- CN108572542A CN108572542A CN201810397616.5A CN201810397616A CN108572542A CN 108572542 A CN108572542 A CN 108572542A CN 201810397616 A CN201810397616 A CN 201810397616A CN 108572542 A CN108572542 A CN 108572542A
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- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C9/00—Electrically-actuated devices for setting the time-indicating means
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G5/00—Setting, i.e. correcting or changing, the time-indication
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Abstract
A kind of pointer calibration method of offer of the embodiment of the present invention, system and indicator device, this method include：Determine that pointer position, count value are the counting of pulse signal according to the count value of acquisition, pulse signal is for driving indicators turn；By operation pointer position and calibrating position, pointer is adjusted from pointer position to calibrating position.The embodiment of the present invention according to the count value of acquisition by determining that pointer position, count value are the counting of pulse signal, and pulse signal is for driving indicators turn；By operation pointer position and calibrating position, pointer is adjusted from pointer position to calibrating position.Since correspondence obtains pointer position between the count value and pointer position using pulse signal, it avoids and inaccuracy caused by pointer position is detected by additional sensor in real time, the accuracy rate for obtaining pointer position is improved, the accurate alignment of pointer is realized.
Description
Technical field
The present embodiments relate to a kind of collimation technique field more particularly to pointer calibration method, system and indicator devices.
Background technology
Currently, the increase with people to electronic product functional diversities demand, wrist-watch or clock be no longer only used for timing/
Show the time, it also increases the functions such as diversified additional function, such as phone, movement, heart rate, this are based on, for wrist-watch
Or the requirement of the sensitivity and accuracy of the pointer in clock also improves therewith.
However, the pointer in wrist-watch or clock will appear the inaccurate situation of instruction and needs to adjust pointer in the process of running
The case where being moved to the position with condition prompting can be by calculating the physical location of pointer and needing school for these situations
Correction difference between level is set controls pointer pointing calibration position to realize.Therefore, obtaining the physical location of pointer then becomes
Realize essential condition when accurate school.In existing wrist-watch or clock apparatus, by installing sensor device, real-time sensing pointer
Physical location, to realize the calibration of wrist-watch or clock pointer.
But sensor device increases the manufacturing cost of wrist-watch, and sensor when the error occurs, pointer can be influenced
The accuracy of actual position information.
Invention content
In view of the problems of the existing technology, a kind of pointer calibration method of offer of the embodiment of the present invention, system and pointer dress
It sets.
The one side of the embodiment of the present invention provides a kind of pointer calibration method, including：Referred to according to the determination of the count value of acquisition
Pin position, count value are the counting of pulse signal, and pulse signal is for driving indicators turn；Pass through operation pointer position and calibration
Position adjusts pointer to calibrating position from pointer position.
Method provided in an embodiment of the present invention, by determining that pointer position, count value are pulse according to the count value of acquisition
The counting of signal, pulse signal is for driving indicators turn；By operation pointer position and calibrating position, by pointer from pointer position
It sets and adjusts to calibrating position.Since correspondence obtains pointer position between the count value and pointer position using pulse signal
It sets, avoids and inaccuracy caused by pointer position is detected by additional sensor in real time, improve and obtain pointer position
The accuracy rate set realizes the accurate alignment of pointer.
The another aspect of the embodiment of the present invention provides a kind of pointer calibration system, including：Pulse control module and respectively with
The counting module and drive circuit module of pulse control module connection；Pulse control module by it is synchronous to drive circuit module and
Counting module sends pulse signal, controls drive circuit module and counting module respectively；Drive circuit module receives Pulse Width Control
The pulse signal conversion that module is sent generates pointer drive signal；Synchronously, counting module is carried out according to the pulse signal of reception
It counts.
The another aspect of the embodiment of the present invention provides a kind of indicator device, including：Above-mentioned pointer calibration system and pointer machine
Tool device, pointer mechanical device are connect with drive circuit module；Pointer mechanical device receives the pointer that drive circuit module generates
Drive signal, adjustment pointer to calibrating position.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow diagram of the pointer calibration method of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the pointer calibration system of the embodiment of the present invention；
Fig. 3 is the pointer pointer position schematic diagram of the pointer calibration method of the embodiment of the present invention；
Fig. 4 is the pointer calibrating position schematic diagram of the pointer calibration method of the embodiment of the present invention；
Fig. 5 is the pointer indicating position schematic diagram of the pointer calibration method of the embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The equipment that wrist-watch or clock etc. are used to indicate the time generally includes indicator device, and the pointer for including in indicator device is used
It is indicated in the time.Indicator device provided in an embodiment of the present invention is a kind of electricity controlling indicators turn by pulse signal
Sublist is that the electroshock of crystal oscillation circuit generation high stable is swung, and conversion generates pulse signal to drive indicators turn.It is based on
This, the embodiment of the present invention provides a kind of pointer calibration method.Referring to Fig. 1, this method includes：
101, determine that pointer position, count value are the counting of pulse signal according to the count value of acquisition, pulse signal is used for
Drive indicators turn.
Pointer in the embodiment of the present invention includes hour hands, minute hand, and step 101 determines pointer position according to the count value of acquisition
It sets, including determines the pointer position of the pointer position and minute hand of hour hands.Specifically, minute hand is used to indicate minute, through 60 minutes points
1 circle of needle rotation；Hour hands are used to indicate hour, rotate 1 circle through 12 hours hour hands, setting minute hand often rotates on the dial plate of indicator device
1 time scale walked about is 1, and the time scale that 1 circle of minute hand rotation is walked about is 60, it is contemplated that minute hand is often walked about 60 time scales
Shi Shizhen walks about the relationship of 1 time scale, and therefore, the number of the directly pulse signal of record control indicators turn can be indirectly
Determine the practical pointer position of the hour hands and minute hand in indicator device.
Specifically, every 1 pulse signal driving minute hand rotation 1 time (that is, 1 time scale) can be set, in this way, hour hands and
The correspondence of the position and count value existence anduniquess of minute hand.Specific correspondence formula uses following formula：
A=A2 × 60+A1 (1)
Wherein, a is count value, and A2 is the pointer position of hour hands, and A1 is the pointer position of minute hand.
For example, count value a=87 can calculate the pointer position of the current hour hands of determining indicator device according to above-mentioned formula (1)
It is set to 1, the pointer position of minute hand is 27, and 27 divide when specifically indicating time as 1.
102, by operation pointer position and calibrating position, pointer is adjusted from pointer position to calibrating position.
Calibrating position can be the accurate location calibrated for pointer, or the indicating positions for state instruction.Accurate position
Setting can be obtained by network time, and indicating positions can be set in advance.For example, for indicating positions, referring to Fig. 5,
Specific position on dial plate is printed on " sitting " and " running " printed words.It, can be by pointer when needing to prompt " sitting " or " running "
The indicating positions to " sitting " or " running " is adjusted from pointer position, makes user when checking the time, notices indicators turn and arrive
Indicating positions can carry out state instruction based on the printed words that are shown on indicating positions to user.
Method provided in an embodiment of the present invention, by determining that pointer position, count value are pulse according to the count value of acquisition
The counting of signal, pulse signal is for driving indicators turn；By operation pointer position and calibrating position, by pointer from pointer position
It sets and adjusts to calibrating position.Since correspondence obtains pointer position between the count value and pointer position using pulse signal
It sets, avoids and inaccuracy caused by pointer position is detected by additional sensor in real time, improve and obtain pointer position
The accuracy rate set realizes the accurate alignment of pointer.
In order to which pointer is adjusted to calibrating position from pointer position, the content based on above-described embodiment, as a kind of optional
Embodiment is adjusted pointer to calibrating position from pointer position by operation pointer position and calibrating position, including：Calculating refers to
Position difference between pin position and calibrating position, and according to position difference, pointer is adjusted from pointer position to calibrating position；
Alternatively, calculating the corresponding count value of calibrating position, and calculate the counting corresponding with pointer position of the corresponding count value of calibrating position
Count difference value between value, and according to count difference value, pointer is adjusted from pointer position to calibrating position.Specifically, in pointer
Following two modes may be used during the adjustment of position to be calculated：Calculating position difference or count difference value.Due to pointer
There are correspondences between position and count value, therefore any of the above-described mode can be selected to be calculated according to actual needs,
And pointer is adjusted according to position difference or count difference value.
When carrying out pointer regulation using position difference, if position difference is smaller, and the corresponding scale of pointer position is more than
The corresponding scale of calibrating position.Since pointer is typically only capable to adjust clockwise, rotate clockwise pointer if directly using
Mode is adjusted, then needs pointer rotation that could pointer be adjusted to calibrating position from pointer position close to a whole circle.Therefore,
In order to be easily adjusted to pointer, the content based on above-described embodiment, as a kind of alternative embodiment, if judging to know finger
The corresponding scale of pin position is more than the corresponding scale of calibrating position, and position difference is less than position threshold, then stops sending pulse
Signal, and send pulse signal in the first setting subsequent supervention of duration；Wherein, difference correspondence in a length of transmission position when the first setting
The duration of several pulse signals.
Specifically, in such a way that stopping sends pulse signal so that pointer is parked in pointer position.After first setting duration
Calibrating position just overlapped with pointer position, so that pointer is rotated again at this time, can realize calibration.For example, position threshold
5 scales are may be configured as, the pointer position of minute hand is 15 scales, and calibrating position is 13 scales；Minute hand is then set to stop operating 2 points
Zhong Hou is rotated further, and just pointer position is overlapped with the calibrating position after 2 minutes, and pointer is adjusted so as to avoid wide-angle, excellent
The adjustment mode of pointer is changed.
Content based on above-described embodiment, as a kind of alternative embodiment, according to count difference value, by pointer from pointer position
It adjusts to calibrating position, including：If judgement knows that the corresponding count value of pointer position is more than the corresponding count value of calibrating position, and
Count difference value is less than count threshold, then stops sending pulse signal, and send pulse signal in the second setting subsequent supervention of duration；Its
In, second a length of duration for sending count difference value and corresponding to the pulse signal of number when setting.
Specifically, in such a way that stopping sends pulse signal so that pointer is parked in pointer position.After second setting duration
Calibrating position just overlapped with pointer position, so that pointer is rotated again at this time, can realize calibration.For example, count threshold
10 are may be configured as, the corresponding count value of pointer position is 150, and the corresponding count value of calibrating position is 145.Pointer is then set to stop turning
It is dynamic, and continue after stopping sending the duration needed for 5 pulse signals, it being rotated further, pointer position is overlapped with calibrating position, to
Wide-angle adjustment pointer is avoided, the adjustment mode of pointer is optimized.
Pointer in indicator device generally includes hour hands and minute hand, and the effect of hour hands and minute hand can be to refer to for the time
Show, can be for state instruction.As a kind of alternative embodiment, operation pointer position and calibrating position, by pointer from pointer
Position is adjusted to calibrating position, specifically may include：The pointer position and calibrating position of any pointer in operation hour hands, minute hand,
By any pointer regulation to calibrating position；Or, the pointer position and calibrating position of operation hour hands and minute hand, by hour hands and minute hand tune
It is whole to calibrating position.For example, when indicator device is used for state instruction, any pointer in hour hands, minute hand can be selected to use
In state instruction pointer, need by the state instruction pointer regulation be calibrating position when, can operation as state instruction pointer
Hour hands or minute hand pointer position and calibrating position, be not necessarily to all pointers of operation calibrating position and pointer position, simplify
The system operation of indicator device, the instruction of realization pointer state easily and fast.
Due in indicator device hour hands and minute hand coordinated signals or not coordinated signals may be used.Coordinated signals are to pass through
Adjustment to hour hands or minute hand position, corresponding minute hand or hour hands only need to adjust since coordinated signals can turn to corresponding position
One in whole hour hands or minute hand.It is then corresponding point after being adjusted to hour hands or minute hand position without coordinated signals
Needle or hour hands will not rotate, i.e., must adjust separately hour hands and minute hand.
Content based on above-mentioned principle and above-described embodiment, as a kind of alternative embodiment, pointer includes hour hands and/or divides
Needle；Correspondingly, according to pointer position and calibrating position calculating position difference, including：According to the pointer position and calibration bits of minute hand
The position difference for calculating minute hand is set, and/or, it is closed according to the linkage of the pointer position of hour hands and calibrating position and hour hands and minute hand
System, calculates the position difference of hour hands.
Specifically, regardless of whether coordinated signals, the position difference of minute hand can be obtained by following formula：
N3=Mod { [S1-Mod (Al/S1)+B1]/S1 } (2)
Wherein, N3 is the position difference of minute hand, and Mod is modulus operation, and A1 is the pointer position of minute hand, and B1 is the school of minute hand
Level is set, and S1 is 60 time scales.
Above-mentioned formula (2), is specifically obtained by following formula：
N1=Mod (A1/S1)；
N2=S1-N1；
N3=Mod (N2+B1)/S1
Since indicators turn can be rotation unit with time scale, S1 can be selected as 60 time scales.If N3
=0, then show that the pointer position of minute hand is identical as calibrating position, minute hand need not adjust；If N3 ≠ 0, show the finger of minute hand
Pin position is different from calibrating position, and the angle or scale that minute hand adjusts clockwise from pointer position are N3.
Based on above formula (2), for example, the minute hand in Fig. 3 to be adjusted into Fig. 4 to the position of minute hand, then A1=5 time scales,
B1=40 time scales；N1=5 can be obtained by being computed, N2=60-5=55, N3=Mod ((55+40)/60)=35；Therefore, make point
Needle rotates 35 time scales and can adjust minute hand to calibrating position from pointer position.Meanwhile count value should be reset
Increase by 35 numerical value afterwards similarly also directly can directly increase by 35 numerical value, to make meter on the basis of current count value
Numerical value is mutually unified with pointer position.
Adjustment for hour hands is based on interaction relation, it may include following two kinds of adjustment modes.
The first hour hands adjustment mode
When minute hand and hour hands are coordinated signals, the position difference of hour hands is：
N5=Mod [(B2-A2+S2)/12] (3)
Wherein, N5 is the position difference of hour hands, and A2 is the pointer position of hour hands, and B2 is the calibrating position of hour hands；S2 is school
Positive value, S2 is specifically set in the embodiment of the present invention as 24, which is based on including 24 hours within a time cycle.As
A kind of deformation of the embodiment of the present invention can also set S2 as 12, and protection scope of the present invention is not limited to this.
Since the record of hour in the above embodiment of the present invention was made using 24 hours, correspondingly, the unit of B2 and A2 should be with
S2 is consistent.For example, the hour hands in Fig. 3 to be adjusted into Fig. 4 to the position of hour hands, brings into and calculate N5=in above-mentioned formula (3)
Mod ((0-0+24)/12)=0.
Then, it since hour hands and minute hand are coordinated signals, only needs to adjust minute hand.According to the position difference N3 of minute hand
With the position difference N5 of hour hands, obtains minute hand and need the scale P, P=N5 × 60+N3 that adjust.For example, by Fig. 3 hour hands with
The position of minute hand adjusts into Fig. 4 the position of hour hands and minute hand, and the scale for needing to adjust minute hand is P=0 × 60+35=35.
In order to be illustrated to the first hour hands adjustment mode, example is as follows：It is assumed that the pointer position corresponding time is 9 points
45 points, and the calibrating position corresponding time be 5 points 25 minutes, calculated as follows according to above-mentioned calculation formula, first calculate point
The position difference of needle：N1=Mod (45/60)=45；N2=60-45=15；N3=Mod ((25+15)/60)=40.It calculates again
The position difference of hour hands：N5=Mod ((5-9+24)/12)=8.In summary the position difference of minute hand and the alternate position spike of hour hands
Value, is adjusted to for 45 minutes at 5 points 25 minutes by 9 points current of the pointer time, and the scale for needing to adjust minute hand is P=8 × 60+40=520.
Therefore, it in this example, if each pulse signal driving minute rotates 1 time scale, needs to send 520 pulse signals altogether
To drive minute hand to rotate 520 time scales.
Second of hour hands adjustment mode
Hour hands and minute hand be not coordinated signals when, hour hands are not rotated according to the adjustment of minute hand, due in indicator device table
12 small time takings, 60 minute tracks (time scale), when having corresponded to 5 accordingly, there exist 1 small time taking are set on disk
Between scale (that is, minute hand rotate 60 times when hour hands react on dial plate be have rotated 5 times).Based on this, in the embodiment of the present invention
The position difference of hour hands is：
N7=Mod [(B2-A2+S2)/12] × 5+Round [(N3 × 5)/60] (4)
Wherein, Round is rounding operation, and N7 is the position difference of hour hands, and A2 is the pointer position of hour hands, and B2 is the calibration of hour hands
Position, S2 are corrected value, S2 are specifically set in the embodiment of the present invention as 24, which is based on including within a time cycle
24 hours.As a kind of deformation of the embodiment of the present invention, S2 can be also set as 12, protection scope of the present invention is not limited to this.
Rounding operation Round (N3 × 5/60) in above-mentioned formula (4) is that the minimum rotation scale based on hour hands corresponds to
The minimum rotation scale of minute hand.Since one circle of minute hand rotation needs to rotate 60 time scales, so the minimum rotation scale of hour hands
It is the 1/60 of minute hand.When specific adjustment, hour hands and minute hand are adjusted separately according to N3 and N7.
In summary the step of pointer regulation, those skilled in the art can learn, it is above-mentioned the first when
Citing in needle adjustment mode and second of hour hands adjustment mode is used as rotation using minute hand and hour hands according to time scale
Unit is come when controlling away；Correspondingly, can also be angle by rotation unit conversion.For example, rotation and the minute hand of hour hands can be set
Rotation existing for relationship be：Minute hand rotates 60 times, and hour hands rotate 5 times, can converse minute hand and rotates primary angle and is：
360/60=6 degree, hour hands rotate primary angle and are：6/12=1/2 degree.Therefore, rotation unit conversion is at an angle of and equally may be used
Pointer regulation is carried out to be based on above two adjustment mode, details are not described herein.
Content based on above-described embodiment, the embodiment of the present invention provide a kind of pointer calibration system, which is able to carry out
Above-mentioned pointer calibration method.Referring to Fig. 2, which includes：Pulse control module 201 and respectively with pulse control module 201 connect
The counting module 202 and drive circuit module 204 connect；Pulse control module 201 is by synchronous to drive circuit module 204 and meter
Digital-to-analogue block 202 sends pulse signal, controls drive circuit module 204 and counting module 202 respectively；Drive circuit module 204 connects
It receives the pulse signal conversion that pulse control module 201 is sent and generates pointer drive signal；Synchronously, counting module 202 is according to connecing
The pulse signal of receipts is counted.
It refers to sending pulse signal to drive circuit module 204 that pulse control module 201, which synchronizes and sends pulse signal,
Meanwhile sending pulse signal to counting module 202.The pulse signal that drive circuit module 204 receives is for driving pointer to turn
Dynamic, the pointer drive signal of generation is related to the quantity of return pulse signal.And counting module 202 to the pulse signal of reception into
After row counts, directly count value can be stored in counting module 202, or be stored in the storage being connect with counting module 202
In module 203, the embodiment of the present invention is not construed as limiting this.
It is related to the quantity of the pulse signal of reception that drive circuit module 204, which generates pointer drive signal,.Due to pulse
Control module 201 is synchronous transmission pulse signal, and therefore, the count value recorded in counting module 202 is driving circuit mould
The number for the pulse signal that block 204 receives.Therefore, the pointer position of pointer can be got based on count value.
System provided in an embodiment of the present invention, pulse control module are sent out by synchronous to drive circuit module and counting module
Pulse signal is sent, controls drive circuit module and counting module respectively；Drive circuit module receives what pulse control module was sent
Pulse signal conversion generates pointer drive signal；Due between the count value and pointer position using pulse signal correspondence come
Pointer position is obtained, avoids and inaccuracy caused by pointer position is detected by additional sensor in real time, improve
The accuracy rate for obtaining pointer position, realizes the accurate alignment of pointer.
Content based on above-described embodiment, as a kind of alternative embodiment, calibration system further includes：Data processing module
205, data processing module 205 is connect with pulse control module 201 and counting module 202；Data processing module is according to acquisition
The count value of counting module determines pointer position, operation pointer position and calibrating position, generates calibration command；Pulse control module
Calibration command is received, and is sent according to calibration command and adjusts pointer to the pulse signal of calibrating position from pointer position.
Specifically, to a certain pointer, drive circuit module 204 can be set as 1 pulse signal driving pointer of every reception
1 time scale is rotated, therefore, pointer position just has correspondence with count value.Data processing module 205 can be according to acquisition
To the count value of counting module 202, pointer position is determined after operation
205 operation pointer position of data processing module and the calibrating position of acquisition generate calibration command, and calibration command is available
Corresponding pulse signal is sent out in marker pulse control module 201.For example, calibration command may indicate that pulse control module 201 is sent out
Go out a certain number of pulse signals, drives indicators turn to calibrating position after so that drive circuit module 204 is received pulse signal.
Data processing module 205 can also send calibration command to counting module so that and counting module 205 is updated count value,
Calibrating position is set to be consistent with count value.
In order to which pointer is adjusted to calibrating position from pointer position, the content based on above-described embodiment, as a kind of optional
Embodiment, data processing module 205 is according to pointer position and calibrating position calculating position difference；Alternatively, obtaining calibrating position pair
The count value answered, and calculate the count difference value between the corresponding count value of calibrating position count value corresponding with pointer position.Tool
Body, data processing module 205 may be used two ways during the adjustment of pointer position and be calculated：Calculating position is poor
Value or count difference value.Since there are correspondences between pointer position and count value, can select according to actual needs
It states any mode to be calculated, and pointer is adjusted according to position difference or count difference value.
When carrying out pointer regulation using position difference, if position difference is smaller, and the corresponding scale of pointer position is more than
The corresponding scale of calibrating position.Since pointer is typically only capable to adjust clockwise, rotate clockwise pointer if directly using
Mode is adjusted, then needs pointer rotation that could pointer be adjusted to calibrating position from pointer position close to a whole circle.Therefore,
In order to be easily adjusted to pointer, the content based on above-described embodiment, as a kind of alternative embodiment, data processing module
205 are additionally operable to：If judgement knows that the corresponding scale of pointer position is more than the corresponding scale of calibrating position, and position difference is less than position
Threshold value is set, then generates the first calibration command；First calibration command is used to indicate pulse control module and stops sending pulse signal, and
Pulse signal is sent in the first setting subsequent supervention of duration；Wherein, a length of pulse control module sends position difference when the first setting
The duration of the pulse signal of corresponding number；If alternatively, judging to know that the corresponding count value of pointer position is corresponded to more than calibrating position
Count value, and count difference value be less than count threshold, then generate the second calibration command；Second calibration command is used to indicate pulse control
Molding block stops sending pulse signal, and send pulse signal in the second setting subsequent supervention of duration；Wherein, a length of when the second setting
Pulse control module sends the duration that count difference value corresponds to the pulse signal of number.
Specifically, in such a way that stopping sends pulse signal so that pointer is parked in pointer position.According to position difference
Calculation, then first setting duration after calibrating position just overlapped with pointer position, so that pointer is rotated again at this time,
It can realize calibration.Similarly, according to the calculation of count difference value, then the calibrating position after the second setting duration just with
Pointer position overlaps, and so that pointer is rotated again at this time, can realize calibration.Based on above-mentioned adjustment mode, wide-angle is avoided
Pointer is adjusted, the adjustment mode of pointer is optimized.
Since the pointer in indicator device generally includes hour hands and minute hand, coordinated signals or not may be used in hour hands and minute hand
Coordinated signals.Coordinated signals are by the adjustment to hour hands or minute hand position, and corresponding minute hand or hour hands are due to coordinated signals meeting
Corresponding position is turned to, i.e., need to only adjust one in hour hands or minute hand.It is then to hour hands or minute hand without coordinated signals
After position is adjusted, corresponding minute hand or hour hands will not rotate, i.e., must adjust separately hour hands and minute hand.
Content based on above-mentioned principle and above-described embodiment, as a kind of alternative embodiment, pointer includes hour hands and/or divides
Needle；Correspondingly, the data processing module 205 is additionally operable to：The position of minute hand is calculated according to the pointer position of minute hand and calibrating position
Difference is set, and/or, according to the interaction relation of the pointer position of hour hands and calibrating position and hour hands and minute hand, calculate the position of hour hands
Set difference.
Specifically, regardless of whether coordinated signals, the position difference of minute hand can be obtained by following formula：
N3=Mod { [S1-Mod (A1/S1)+B1]/S1 } (2)
Wherein, N3 is the position difference of minute hand, and Mod is modulus operation, and A1 is the pointer position of minute hand, and B1 is the school of minute hand
Level is set, and S1 is 60 scales.
Adjustment for hour hands is based on interaction relation, it may include following two kinds of adjustment modes.
The first hour hands adjustment mode
When minute hand and hour hands are coordinated signals, the position difference of hour hands is：
N5=Mod [(B2-A2+S2)/12] (3)
Wherein, N5 is the position difference of hour hands, and A2 is the pointer position of hour hands, and B2 is the calibrating position of hour hands；S2 is 24.
Since hour hands and minute hand are coordinated signals, only need to adjust minute hand.According to the position difference N3 of minute hand and when
The position difference N5 of needle obtains minute hand and needs the scale P, P=N5 × 60+N3 that adjust.Directly adjustment minute hand rotates clockwise P
Scale.
Second of hour hands adjustment mode
If hour hands and minute hand are not coordinated signals, the position difference of hour hands is：
N7=Mod [(B2-A2+S2)/12] × 5+Round [(N3 × 5)/60] (4)
Wherein, N7 be hour hands position difference, A2 be hour hands pointer position, B2 be hour hands calibrating position, S2 24,
Round is rounding operation.
Since hour hands and minute hand are not coordinated signals, it is therefore desirable to when rotating N3 scale of minute hand and rotation respectively clockwise
N7 scale of needle.
Content based on above-described embodiment, the embodiment of the present invention also provide a kind of indicator device, including any of the above-described implementation
The pointer calibration system and pointer mechanical device, pointer mechanical device that example provides are connect with drive circuit module 204；Pointer machinery
Device receives the pointer drive signal that drive circuit module 204 generates, and adjusts pointer that it includes to calibrating position.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of pointer calibration method, which is characterized in that including：
Determine that pointer position, the count value are the counting of pulse signal according to the count value of acquisition, the pulse signal is used for
Drive indicators turn；
By pointer position described in operation and calibrating position, pointer is adjusted from the pointer position to calibrating position.
2. according to the method described in claim 1, it is characterized in that, described by pointer position described in operation and calibrating position,
Pointer is adjusted from the pointer position to calibrating position, including：
The position difference between the pointer position and calibrating position is calculated, and according to the position difference, by pointer from described
Pointer position is adjusted to calibrating position；Alternatively,
The corresponding count value of the calibrating position is calculated, and calculates the corresponding count value of calibrating position meter corresponding with pointer position
Count difference value between numerical value, and according to the count difference value, pointer is adjusted from the pointer position to calibrating position.
3. according to the method described in claim 2, it is characterized in that, described according to the position difference, by pointer from the finger
Pin position is adjusted to calibrating position, including：
If judgement knows that the corresponding scale of pointer position is more than the corresponding scale of calibrating position, and the position difference is less than position
Threshold value then stops sending pulse signal, and send pulse signal in the first setting subsequent supervention of duration；Wherein, first setting
Shi Changwei sends the duration that the position difference corresponds to the pulse signal of number.
4. according to the method described in claim 2, it is characterized in that, described according to the count difference value, by pointer from the finger
Pin position is adjusted to calibrating position, including：
If judgement knows that the corresponding count value of pointer position is more than the corresponding count value of calibrating position, and the count difference value is less than
Count threshold then stops sending pulse signal, and send pulse signal in the second setting subsequent supervention of duration；Wherein, described second
A length of duration for sending the count difference value and corresponding to the pulse signal of number when setting.
5. according to the method described in claim 1, it is characterized in that, the pointer includes hour hands and minute hand；Correspondingly, described logical
Pointer position and calibrating position described in operation are crossed, pointer is adjusted from the pointer position to calibrating position, including：
The pointer position and calibrating position of any pointer in hour hands, minute hand described in operation, by any pointer regulation to school
Level is set；Or
The pointer position and calibrating position of hour hands and minute hand described in operation, the hour hands and minute hand are adjusted to calibrating position.
6. a kind of pointer calibration system, which is characterized in that including：Pulse control module and respectively with the pulse control module connect
The counting module and drive circuit module connect；
The pulse control module sends pulse signal by synchronous to the drive circuit module and counting module, controls respectively
The drive circuit module and the counting module；
The drive circuit module receives the pulse signal conversion that the pulse control module is sent and generates pointer drive signal；Together
Step ground, the counting module are counted according to the pulse signal of reception.
7. calibration system according to claim 6, which is characterized in that further include：Data processing module, the data processing
Module is connect with the pulse control module and the counting module；
The data processing module determines pointer position according to the count value of the counting module of acquisition, pointer position described in operation
It sets and calibrating position, generates calibration command；
The pulse control module receives the calibration command, and is sent pointer from the pointer position according to the calibration command
Set the pulse signal adjusted to calibrating position.
8. calibration system according to claim 7, which is characterized in that the data processing module is according to the pointer position
With calibrating position calculating position difference；Alternatively, the corresponding count value of the calibrating position is obtained, and it is corresponding to calculate calibrating position
Count difference value between count value count value corresponding with pointer position.
9. calibration system according to claim 8, which is characterized in that the data processing module is additionally operable to：If judgement obtains
Know that the corresponding scale of pointer position is more than the corresponding scale of calibrating position, and the position difference is less than position threshold, then generates
First calibration command；First calibration command is used to indicate pulse control module and stops sending pulse signal, and is set first
The long subsequent supervention of timing send pulse signal；Wherein, a length of pulse control module sends the position difference when first setting
The duration of the pulse signal of corresponding number；Alternatively,
If judgement knows that the corresponding count value of pointer position is more than the corresponding count value of calibrating position, and the count difference value is less than
Count threshold then generates the second calibration command；Second calibration command is used to indicate pulse control module and stops sending pulse
Signal, and send pulse signal in the second setting subsequent supervention of duration；Wherein, a length of pulse control module hair when second setting
The duration for sending the count difference value to correspond to the pulse signal of number.
10. a kind of indicator device, which is characterized in that including claim 6 to 9 any the pointer calibration system and pointer machine
Tool device, the pointer mechanical device are connect with the drive circuit module；
The pointer mechanical device receives the pointer drive signal that the drive circuit module generates, adjustment pointer to calibration bits
It sets.
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| CN201810397616.5A CN108572542A (en) | 2018-04-28 | 2018-04-28 | A kind of pointer calibration method, system and indicator device |
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| CN201810397616.5A CN108572542A (en) | 2018-04-28 | 2018-04-28 | A kind of pointer calibration method, system and indicator device |
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Cited By (1)
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| CN113075875A (en) * | 2021-03-31 | 2021-07-06 | 安徽华米信息科技有限公司 | Wearable device, physical pointer control method, electronic device, and storage medium |
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