A kind of Intelligent bracelet of achievable lift hand bright screen
Technical field
The present invention relates to Intelligent bracelet bright screen control field, is specifically designed a kind of Intelligent bracelet of achievable lift hand bright screen.
Background technology
Intelligent bracelet has been widely applied in the healthy living of people at present, has becoming for substitution conventional wristwatch
Gesture.For Intelligent bracelet due to small volume, the battery bag that can be placed is also smaller, very subtracts as far as possible in use there is an urgent need to people
Few energy expenditure.For the Intelligent bracelet with larger display screen, people are needing to see time, heart rate data or other work(
, it is necessary to go to click on screen with hand or need to be gone by the button in Intelligent bracelet with hand during energy data, hand is not worn as user
The another hand of ring is in when can not go to operate the state of Intelligent bracelet, and user obviously can not simply light screen, be needed
Data.Therefore, a kind of mode for the auxiliary without an other hand that can light screen is needed to go to meet user's in a hurry
Demand.The flip angle that the method for current bracelet bright screen is generally adopted by detecting bracelet goes to judge whether user sees the time
Demand, still, this determination methods judge to be inaccurate, and overturn several secondary screens sometimes and all do not work, and sometimes small dynamic
Make to cause screen bright screen always again.Simultaneously as the custom of personal user, Intelligent bracelet may be worn in left hand and the right hand
Either hand on, when changing the hand worn every time, it is left hand or the right hand to be required to user and go to set worn in detail, so
Gone to change the algorithm for lighting screen according to the situation of the right-hand man of wearing afterwards.As can be seen here, current bright screen determination methods are also deposited
Judge the defects of inaccurate, and need user to reset when changing right-hand man the defects of.
The content of the invention
The present invention is intended to provide a kind of Intelligent bracelet of achievable lift hand bright screen, can cause user needing to obtain function
During data, screen is lighted so as to obtain required information, by only by wearing the manual work realization of the lift of arm of Intelligent bracelet
Special algorithm can solve the defects of current bright screen judges to need user to reset during inaccurate and replacing right-hand man.
Technical scheme is as follows:
It is a kind of it is achievable lift hand bright screen Intelligent bracelet, it is characterised in that the Intelligent bracelet comprise at least processor and
3-axis acceleration sensor;
The 3-axis acceleration sensor can gather the data of the 3-axis acceleration of the Intelligent bracelet;
The processor includes the filtration module, and filtration module can be filtered place to the data of the 3-axis acceleration
Reason, the acceleration information of three axles after being handled;
The processor also includes memory module, comparison module and judge module, and the memory module stores the intelligence
Bracelet is in parameter threshold during lift hand state;The comparison module can be to three axles after above-mentioned processing acceleration information and institute
Parameter threshold is stated to be compared;The judge module can be sentenced according to the result of the comparison to Intelligent bracelet state in which
It is disconnected;
The processor connects the display screen, can control the bright screen of the display screen.
Further, the memory module also stores sample frequency F, acceleration section, and the parameter threshold also includes the
One time threshold T1/ F, amplitude threshold, the second time threshold T2/ F and number threshold value;The processor can count each in three axles
The time and amplitude that the acceleration information of axle persistently rises or falls;The comparison module can be to X-axis and Y-axis(X-axis and Y-axis are determined
Fixed plane is the plane parallel with the display screen of bracelet, and Z axis is the axle vertical with the plane)The time persistently risen or fallen
With the time threshold T1/ F is compared, and the amplitude that X-axis and Y-axis rise or fall and the amplitude threshold are compared
Compared with the judge module can carry out judgement to the comparative result and determine whether lift hand mark occur;The processor and institute
Display screen connection is stated, when the judge module judges to occur lift hand, the processor control display screen bright screen.
The method that lift hand bright screen is realized by the said equipment is as follows:
Step 1, the 3-axis acceleration sensor gather the data of the 3-axis acceleration of the Intelligent bracelet, and should
The data of 3-axis acceleration are sent to the processor;
Step 2, the processor are filtered processing to the data of the above-mentioned 3-axis acceleration collected, handled
The acceleration information of three axles afterwards;
Step 3, the processor storage sample frequency F, very first time threshold value T1/F(Wherein F is sample frequency, T1<F,
And T1For integer)And amplitude threshold, and the acceleration information of each axle persistently rises or falls in the processor three axles of statistics
Time and amplitude:If X-axis and Y-axis in three axles(The plane that X-axis and Y-axis determine is the plane parallel with the display screen of bracelet)
Time for persistently rising or falling of acceleration information all reach the very first time threshold value T of the processor storage1/ F, and X-axis
All reach the amplitude threshold of the processor storage with the amplitude that the acceleration information of Y-axis persistently rises or falls, then the place
Reason device judges lift hand mark occur, into step 4;If it is not, then repeat step three;
Step 4, the processor store the second time threshold T2/F(Wherein F is sample frequency, T2<F, and T2To be whole
Number), acceleration section and number threshold value, in the second time threshold T2In/F, T is sampled to each axle2Individual acceleration information,
The acceleration information for counting each axle falls into the individual numerical value in the acceleration section, if the individual numerical value per axle reaches above-mentioned
Number threshold value, then be judged as lift hand, into step 5;If the individual numerical value of any axle is not up to above-mentioned number threshold value,
Then repeat step three;
Step 5, the processor control the display screen bright screen.
Further, in the step 3, the amplitude threshold includes X-amplitude threshold value and Y-axis amplitude threshold, and institute
State processor and count time and the amplitude that the acceleration information of each axle in three axles persistently rises or falls:If the X-axis in three axles
All reach the very first time threshold value T of the processor storage with the time that the acceleration information of Y-axis persistently rises or falls1/ F,
And the amplitude that the acceleration information of X-axis and Y-axis persistently rises or falls respectively reaches the amplitude that the processor stores respective shaft
Threshold value, then there is lift hand mark in the processor judgement, into step 4;If it is not, then repeat step three.
Further, in the step 4, the acceleration section includes X-axis acceleration section [a1,b1], Y-axis accelerate
Spend section [a2,b2] and Z axis acceleration section [a3,b3], the number threshold value includes X-axis number threshold value, Y-axis number threshold value and Z
Axle number threshold value, in the second time threshold T2In/F, T is sampled to each axle2Individual acceleration information, count adding for each axle
Speed data falls into the individual numerical value in the acceleration section of respective shaft, if the acceleration information of each axle falls into the acceleration of respective shaft
The individual numerical value in section reaches the number threshold value of respective shaft, then is judged as lifting hand, into step 5;If the acceleration number of degrees of any axle
The number threshold value of respective shaft is not up to according to the individual numerical value in the acceleration section for falling into respective shaft, then repeat step three.
Further, in the step 4, T is sampled to each axle2Individual acceleration information is in the second time threshold T2In/F
Average sample.
Pass through above-mentioned technical proposal, the present invention can accurately judge the true idea of user, exactly when user lifts hand
Screen is lighted, and user is when changing right-hand man, it is not necessary to reset the state for being worn on right-hand man of bracelet.
Brief description of the drawings
Its example embodiment is described in detail by referring to accompanying drawing, above and other target of the invention, feature and advantage will
Become more fully apparent.
Fig. 1 is the schematic diagram of the Intelligent bracelet of the present invention.
Fig. 2 is flow chart of the method for the present invention.
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein;On the contrary, these embodiments are provided so that the present invention will more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Accompanying drawing is only the present invention
Schematic illustrations, be not necessarily drawn to scale.Identical reference represents same or similar part in figure, thus
Repetition thereof will be omitted.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In mode.In the following description, there is provided many details fully understand so as to provide to embodiments of the present invention.So
And it will be appreciated by persons skilled in the art that technical scheme can be put into practice and omit one in the specific detail
Or more, or other methods, constituent element, device, step etc. can be used.In other cases, it is not shown in detail or describes
Known features, method, apparatus, realization or operation are to avoid that a presumptuous guest usurps the role of the host and so that each aspect of the present invention thickens.
As shown in figure 1, a kind of Intelligent bracelet of achievable lift hand bright screen, it is characterised in that the Intelligent bracelet is at least wrapped
Include processor and 3-axis acceleration sensor;
The 3-axis acceleration sensor can gather the data of the 3-axis acceleration of the Intelligent bracelet;
The processor includes the filtration module, and filtration module can be filtered place to the data of the 3-axis acceleration
Reason, the acceleration information of three axles after being handled;
The processor also includes memory module, comparison module and judge module, and the memory module stores the intelligence
Bracelet is in parameter threshold during lift hand state;The comparison module can be to three axles after above-mentioned processing acceleration information and institute
Parameter threshold is stated to be compared;The judge module can be sentenced according to the result of the comparison to Intelligent bracelet state in which
It is disconnected;
The processor connects the display screen, can control the bright screen of the display screen.
Further, the memory module also stores sample frequency F, acceleration section, and the parameter threshold also includes the
One time threshold T1/ F, amplitude threshold, the second time threshold T2/ F and number threshold value;The processor can count each in three axles
The time and amplitude that the acceleration information of axle persistently rises or falls;The comparison module can be to X-axis and Y-axis(X-axis and Y-axis are determined
Fixed plane is the plane parallel with the display screen of bracelet)The time persistently risen or fallen and the time threshold T1/ F is carried out
Compare, and to the amplitude that X-axis and Y-axis rise or fall compared with the amplitude threshold, the judge module can be to the ratio
Relatively result carries out judgement and determines whether lift hand mark occur;The processor is connected with the display screen, when the judgement
When module judges to occur lift hand, the processor control display screen bright screen.
As shown in figure 1 and 2, realize that the method for lift hand bright screen comprises the following steps (following very first time threshold value, second
The unit of time threshold is the second):
Step 1, the 3-axis acceleration sensor gather the data of the 3-axis acceleration of the Intelligent bracelet, and should
The data of 3-axis acceleration are sent to the processor;
Step 2, the processor are filtered processing to the data of the above-mentioned 3-axis acceleration collected, handled
The acceleration information of three axles afterwards;
Step 3, processor storage sample frequency F=32, very first time threshold value T1/F=6/32(Wherein F is sampling frequency
Rate, T1<F, and T1For integer)With amplitude threshold W0, and the processor count three axles in each axle acceleration information continue on
Liter or the time declined and amplitude:If X-axis and Y-axis in three axles(The plane that X-axis and Y-axis determine is to be put down with the display screen of bracelet
Capable plane)Time for persistently rising or falling of acceleration information all reach the very first time threshold value of the processor storage
T1/ F=6/32, and the amplitude that the acceleration information of X-axis and Y-axis persistently rises or falls all reaches the width that the processor stores
Threshold value W0 is spent, then the processor judges lift hand mark occur, into step 4;If it is not, then repeat step three;
Step 4, the processor store the second time threshold T2/F=12/32(Wherein F is sample frequency, T2<F, and T2
For integer), acceleration section [A1, B1] and number threshold value N0, in the second time threshold T2In/F=12/32, to each axle
Sample T2=12 acceleration informations, the acceleration information for counting each axle fall into the individual numerical value of the acceleration section [A1, B1]
N, if the individual numerical value of N per axle reaches above-mentioned number threshold value N0, it is judged as lifting hand, into step 5;If any axle
The individual numerical value of N be not up to above-mentioned number threshold value N0, then repeat step three;
Step 5, the processor control the display screen bright screen.
Further, in the step 3, the amplitude threshold include X-amplitude threshold value=20 and Y-axis amplitude threshold=
15, and the processor counts the time T and amplitude W that the acceleration information of each axle in three axles persistently rises or falls:If three
The time that the acceleration information of X-axis and Y-axis in axle persistently rises or falls all reaches the very first time of the processor storage
Threshold value T1/ F=6/32, and the amplitude that persistently rises or falls of the acceleration information of X-axis and Y-axis respectively reaches the processor and deposited
The amplitude threshold of respective shaft is stored up, then the processor judges lift hand mark occur, into step 4;If it is not, then repeat step
Three.
Further, in the step 4, the acceleration section includes X-axis acceleration section [a1,b1] =[-30,
36], Y-axis acceleration section [a2,b2]=[- 80,17] and Z axis acceleration section [a3,b3]=[- 70, -8], the number threshold
Value N0 includes X-axis number threshold value=10, Y-axis number threshold value=9 and Z axis number threshold value=9, in the second time threshold T2/F=
In 12/32, T is sampled to each axle2=12 acceleration informations, the acceleration information for counting each axle fall into the acceleration of respective shaft
The individual numerical value of N of section [A1, B1] is spent, if the acceleration information of each axle falls into the acceleration section [A1, B1] of respective shaft
Numerical value of N reaches the number threshold value N0 of respective shaft, then is judged as lifting hand, into step 5;If the acceleration information of any axle falls
The individual numerical value of N for entering the acceleration section of respective shaft is not up to the number threshold value N0 of respective shaft, then repeat step three.
Further, in the step 4, T is sampled to each axle2=12 acceleration informations are in the second time threshold T2/
Average sample in F=12/32.
Pass through above-mentioned technical proposal, the present invention can accurately judge the true idea of user, exactly when user lifts hand
Screen is lighted, and user is when changing right-hand man, it is not necessary to reset the state for being worn on right-hand man of bracelet.
Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that:Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.