CN106725957A - A kind of intelligent children brush teeth guiding system - Google Patents
A kind of intelligent children brush teeth guiding system Download PDFInfo
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- CN106725957A CN106725957A CN201611044849.4A CN201611044849A CN106725957A CN 106725957 A CN106725957 A CN 106725957A CN 201611044849 A CN201611044849 A CN 201611044849A CN 106725957 A CN106725957 A CN 106725957A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/221—Control arrangements therefor
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Abstract
Brushed teeth guiding system the invention discloses a kind of intelligent children, including intelligent training toothbrush hardware, the application software system on mobile intelligent terminal, cloud service three parts, the intelligent training toothbrush hardware includes the motion sensor module on toothbrush body, and toothbrush body, processor module, wireless communication module and power module.Described application software system, on mobile intelligent terminal, function uploads high in the clouds etc. including data transmit-receive, attitude detection of brushing teeth and evaluation, brushing action guiding, intelligent reinforcement, data.Described cloud service is deployed in internet public cloud, there is provided historical record storage, data analysis, share the functions such as ranking.The present invention guides children correctly to brush teeth posture and good tooth-brushing habit by game interaction mode, improves the recreational and enthusiasm that children brush teeth, there is provided a kind of following home furnishings intelligent life pattern.
Description
Technical field
The invention mainly relates to smart machine technology, more particularly to child intelligence is brushed teeth guiding system.
Background technology
It is healthy increasingly to be paid attention to by more people with social progress, but due to townie fast pace and not
Good habits and customs, people always usually because lazy and ignorance is brushed teeth, this show forget to brush teeth, brushing time not enough, brush
Agomphiasis makees lack of standardization, so as to cause oral cavity knob unclean, causes many mouth diseases.Generally all it is that mouth disease occurs just to open
Begin to focus on, but only degraded oral cleaning action norm or far from being enough by the publicity of doctor, because it is difficult to make ordinary people
Appeal to, therefore be still present and brush teeth lack of standardization, it is difficult to the problem persevered.
It is to use toothbrush to remove bacterial plaque, soft dirt and swill to brush teeth, and keeps important self oral cavity of oral cleaning to protect
Strong method, is also that people self remove bacterial plaque, the main means of the generation of prevention periodontosis, development and recurrence.Keep correct
Method for brushing teeth and custom, can farthest help control bacterial plaque, safeguard the use longevity of oral health or extension dummy
Life.But the method for brushing teeth of many people is incorrect, shows, brushing action is incorrect, complete, brushing time is not enough etc. for coverage rate.
And importantly, similar products all employ gyroscope or magnetometer currently on the market, can so bring
Two problems.First, magnetometer can receive magnetic field of the earth interference, toothbrush is corrected before using toothbrush, not meet tooth
The usage scenario of brush.Second, gyroscope has the problem of drift, causes tooth regions to judge inaccurate.Due in intelligent toothbrush
Calculation error cause the erroneous judgement of the brushing conditions of user, so as to user cannot be guided correctly to brush teeth, or even misleading is used
Person causes the tooth-brushing habit of mistake.
The content of the invention
Goal of the invention：The purpose of the present invention is directed to the deficiencies in the prior art and provides a kind of children and brush teeth intelligent training
System, can detect and evaluate the correctness of user of toothbrushing action, and provide a user with health care suggestion in terms of tooth etc., pass through
Game interaction mode guides children correctly to brush teeth posture and good tooth-brushing habit, improves the recreational and product that children brush teeth
Polarity, there is provided a kind of following home furnishings intelligent life pattern, it is often more important that the present invention only using accelerator sensor and optimizes
Mathematics computing model, coordinates the training system of guiding, so as to reduce calculation error, helps user to set up good brush to reach
The purpose of tooth custom.
Technical scheme：In order to realize goal of the invention, the present invention uses following technical scheme：A kind of intelligent children brush teeth guiding
System, including intelligent toothbrush hardware, mobile intelligent terminal, intelligent brush teeth guiding module and long-distance cloud service background, wherein：
The intelligent toothbrush hardware, including toothbrush body, and it is located at motion sensor module, treatment in toothbrush body
Device module, wireless communication module and power module, wherein the motion sensor module only includes accelerator, and according to default frequency
Rate gathers acceleration information to the motion state of toothbrush body, and acceleration information is sent into processor module；The treatment
Action of the device module to toothbrush body is encoded and is sent to mobile intelligent terminal by wireless communication module；
The mobile intelligent terminal, receives and preserves the data of intelligent toothbrush hardware transmission and by intelligent guiding mould of brushing teeth
Block is analyzed and processes to data；
Intelligence guiding module of brushing teeth includes toothbrush attitude and evaluation module, intelligent reinforcement module, intelligently guiding module,
Wherein：
The toothbrush attitude includes toothbrush attitude parsing module, initial position module, brushing action parsing with evaluation module
Module, brushing zone parsing module, time statistical module, vibration number statistical module and data evaluation module, the toothbrush appearance
State is comprised the following steps with the implementation method of evaluation module：
(1) first, it is 2Hz (influence of the removal gravity to accelerator) to set the cut-off frequency of LPF, and with toothbrush
Three-dimensional system of coordinate is set up at the center of body, and component of acceleration (a of the toothbrush body on x, y, z direction is obtained by acceleratorx,
ay,az), and calculate the pitching angle theta of toothbrush body respectively by formula (1) and (2)pθ is with rollingr：
Wherein ax、ay、azIt is the x of accelerator collection, the initial data on tri- directions of y, z；C is that accelerator rotation is sensitive
Error compensation coefficient, the span of C is 0 ＜ C≤0.0550；
(2) and then by the roll angle θ of toothbrush bodyrRelationship map is carried out with toothbrush attitude, mapping relations are as follows：
(3) then it is determined that after the attitude of toothbrush body, by pitching angle thetapPresent position with toothbrush is mapped, and is reflected
Penetrate relation as follows：
(4) at the same time, the time statistical module counts toothbrush body residence time again on each brushing zone, from
And the timesharing that obtains total duration and each region for brushing teeth is long；Vibrations number of times statistical module counts user's toothbrush is at each
The vibrations number of times in region；
(5) last, the toothbrush attitude and evaluation module are by the output result of toothbrush gesture module and standard brushing action
Model compares, so as to evaluate the brushing action correctness of user, evaluation index include brushing zone coverage, total duration of brushing teeth,
Each region brush teeth timesharing long, toothbrush attitude specification, each region toothbrush vibrations number of times.
Further, the initial position mould regulation initial position is tooth outside, now the numerical value of the roll angle of toothbrush
Scope should meet -135 °≤θr＜ -45 °.
Further, the span that accelerator rotates sensitive error compensation coefficient C is 0.0120 ＜ C≤0.0255.
Further, the brushing action parsing module, brushing action is judged by accelerator, and the brushing action includes
Brush teeth, brush teeth up and down with whether toothbrush is static in left and right.
Further, the brushing zone parsing module, by the attitude of toothbrush, judges toothbrush area residing in the oral cavity
Domain.
Further, the brushing zone is divided into 9 regions, respectively goes up chewing face, lower chewing face, left-external side, the right side outward
Side, left inside side, Right Inboard, middle outside, in upper inner side, in lower inner side.
Further, the intelligent reinforcement module includes data processing module and weakness analysis module of brushing teeth, wherein：It is described
Data processing module carries out the brushing conditions data that treatment is formed on time dimension, the brush to the data received from intelligent toothbrush
Dental phenomenon data include brushing zone value, region orthochronous value and action orthochronous value；The weakness analysis module of brushing teeth,
Mean analysis and variance analysis is respectively adopted carries out statistical disposition to brushing conditions data, obtain unit interval inner region it is correct when
Between average and action orthochronous average, and be compared with standard value and obtain difference；The intelligently guiding module, according to
The size of difference carries out dominant reinforcement or recessive reinforcement, and the dominant reinforcement is by picture or voice display alarm user, institute
It is directly implicit in the standard value of guiding of brushing teeth increase or the shortening time to state recessive reinforcement；The intelligently guiding module every
After the complete brushing action of n times, actual reinforcement operation is carried out according to specified reinforcement strategy so that follow-up n middle reference of brushing teeth
Standard value is by the standard value after reinforcement, after treating that reinforcement operation is performed, into the weakness analysis and reinforcement operation of next round.
Beneficial effect：The present invention compared with prior art, with advantages below：
The present invention only by accelerator and carries out accelerator error compensation, realizes brushing zone, brushing action to toothbrush
With the accurate Analysis of toothbrush attitude, it is to avoid magnetometer and gyroscope are influenceed by the error of gravity and side-play amount, can be more accurate
The data of brushing teeth of user are provided, so that it is guaranteed that the culture correct tooth-brushing habit of children.
In addition, region, brushing time, the vibrations time of attitude and toothbrush on tooth of brushing teeth can be detected by module
Number, can detect and evaluate the correctness of user of toothbrushing action using these information, and provide a user with the health care in terms of tooth
Suggestion etc., so as to improve the correct method for brushing teeth of user and custom, keeps oral cleaning, and prevention periodontosis occurs；Only make
With accelerator sensor and optimize mathematics computing model, coordinate the training system of guiding, so as to reduce calculation error, to reach
To user is helped set up the purpose of good tooth-brushing habit, it is to avoid in the market similar products all use gyroscope or magnetometer meter
Due to the calculation error that gravity and gyroscopic drift are caused when calculating toothbrush attitude and position, can preferably guide user correct
Brushing action.
Brief description of the drawings
Fig. 1 is that intelligent children of the present invention brush teeth the general structure schematic diagram of guiding system；
Fig. 2 is the structural representation of intelligent training toothbrush body of the present invention；
Fig. 3 is the system composition structural representation that intelligent children of the present invention brush teeth in guiding system using APP；
Fig. 4 is that the brush teeth operation principle of guiding system toothbrush attitude and evaluation module of intelligent children of the present invention is illustrated
Figure.
Fig. 5 is that intelligent children of the present invention brush teeth the system block diagram of intelligent reinforcement of brushing teeth in guiding system.
Specific embodiment
With reference to the accompanying drawings and examples, technical scheme is described in detail, but it is claimed
Scope be not limited to the scope that embodiment is represented, therefore all constructions according to described in present patent application scope, feature and principle
The equivalent change or modification done, is included in the range of present patent application.
Similar products all employ gyroscope or magnetometer currently on the market, can so bring two problems.First, magnetic
Power meter can receive magnetic field of the earth interference, toothbrush is corrected before using toothbrush, not meet the usage scenario of toothbrush.The
Two, gyroscope has the problem of drift, causes tooth regions to judge inaccurate.Accelerator is used the invention provides a kind of
Solution, coordinates the training system of guiding, to reach the purpose for helping user to set up good tooth-brushing habit.
The invention mainly comprises intelligent training toothbrush hardware, the application software system on mobile intelligent terminal, cloud
Service three parts, the intelligent training toothbrush hardware include toothbrush body, and toothbrush body on motion sensor module,
Processor module, wireless communication module and power module.Described the application software system, (bag on mobile intelligent terminal
Include panel computer, smart mobile phone), function includes that data transmit-receive, attitude detection of brushing teeth and evaluation, brushing action guiding, intelligence are mended
By force, data upload high in the clouds etc..Described cloud service is deployed in internet public cloud, there is provided historical record storage, data analysis,
Share the functions such as ranking.The present invention guides children correctly to brush teeth posture and good tooth-brushing habit by game interaction mode,
Improve the recreational and enthusiasm that children brush teeth, there is provided a kind of following home furnishings intelligent life pattern.
User when in use, is first turned on the application software on mobile intelligent terminal, with the use of intelligent training toothbrush, with
Brushed teeth demonstration with the guiding in application software, carry out actual brushing action, by motion detection and evaluation in application software,
Provide Real-time Feedback, prompt action correctness, so as to help user to set up good custom, and correctable error habit of brushing teeth
It is used.Implement process as follows：
1. intelligent training toothbrush hardware
Intelligent training toothbrush hardware includes motion sensor module, the processor die on toothbrush body, and toothbrush body
Block, wireless communication module and power module.
Wherein motion sensor module capture user uses the action of intelligent training toothbrush, and is sent to processor module；
Motion sensor module includes accelerator sensor, and capture user uses the action data of intelligent training toothbrush.
Action of the processor module to toothbrush body is encoded into data is activation to wireless communication module；Wireless communication module is then
Coded data is sent to corresponding intelligent terminal.
Data transmission is divided into two stages.
First stage, when intelligent training toothbrush and intelligent terminal are attached, the data content of transmission is instructed comprising intelligence
Practice the hardware number and firmware version information of toothbrush.
Second stage, when user starts to brush teeth using intelligent training toothbrush, intelligent training toothbrush can be adopted according to default
Sample frequency, constantly obtains accelerator sensor sampled data, and data form is：
For single transmission, data form is,
| Data type | X-axis data | Y-axis data | Z axis data |
Data type is the motion sensors such as accelerator, gyroscope or magnetometer.For Batch sending, according to selected
Sensor, the disposable multiple sensing datas of sampling simultaneously once send, and data form is,
2. application software system
Application software is operated on mobile intelligent terminal (including panel computer, smart mobile phone etc.), including data reception
Block, game module (guiding game APP) and brush teeth attitude detection and evaluation module, data storage and synchronization module.
The handling process of the system is as follows：
(1) user is brushed teeth using intelligent training toothbrush, produces brushing action, and action data is transmitted soft to application
Part system.
(2) data transmit-receive module in intelligent terminal application software system is responsible for receiving the dynamic of intelligent training toothbrush transmission
Make data, and the data are saved in locally.
(3) brush teeth attitude detection and the built-in brushing action analysis engine of evaluation module in application system, the engine can
The brushing action of user is matched with optimal brushing action, and is provided evaluation.
(4) in application system guiding game APP be responsible for user of toothbrushing action interact, play APP according to
BASS method for brushing teeth, according to different regions and action within the time of regulation, generation guiding action, when the brushing action of user
When keeping strokes with the guiding in game APP, the generation that can trigger certain event of playing (such as eliminates current location moth
Deng).When game APP judges that the brushing time in certain region of user is enough, will produce corresponding game events so as to
Guiding user carries out the brushing action of next step.
2.1 data transmit-receive modules
The module receives the acceleration transducer data on intelligent training toothbrush, by wireless transmission method, according to certain
Frequency, using during toothbrush, the exercise data of generation is real-time transmitted to application software system to user.
On the other hand, brush-teeth record, evaluation result are sent to cloud server terminal, for user's inquiry, analysis.
2.2 game modules
Game module is guiding, by cartoon picture, will brush teeth and is decomposed into 9 regions, is respectively left-external side, outside front tooth
Side, right outside, upper left chew face+upper left inner side, lower-left chew face+lower-left inner side, front tooth inner side (on), front tooth inner side (under),
Upper right is chewed face+right upper medial, bottom right and chews face+bottom right inner side.User is guided using correct appearance of brushing teeth by demonstration movement
Gesture, user follows the brushing action in picture, with the use of intelligent training toothbrush, implements brushing action, attitude of now brushing teeth inspection
The correctness with the action of evaluation module automatic decision user of toothbrushing is surveyed, game module is returned result to, game module is in picture
In provide corresponding prompting.
2.3 brush teeth attitude detection and evaluation module
2.3.1 toothbrush attitude parsing module：
(1) first, it is 2Hz (influence of the removal gravity to accelerator) to set the cut-off frequency of LPF, and with toothbrush
Three-dimensional system of coordinate is set up at the center of body, by accelerator obtain toothbrush body on x, y, z direction component of acceleration (ax,
Ay, az), and calculated respectively by formula (1) and (2) toothbrush body angle of pitch pitch and roll be roll,
Wherein ax, ay, az are the x of accelerator collection, the initial data on tri- directions of y, z；C is that accelerator rotation is sensitive
Error compensation coefficient, and value is 0.0152.Acceleration sensor adopts piezoelectric type accelerator in the present embodiment, due to user's brush
Except can also there is instantaneous rotation offset along axis during tooth, and piezoelectric type accelerator can produce error to ring rotary motion sensitivity
Should, its influence in z-axis direction is found, therefore can ignore.
(2) then toothbrush body roll angle θrRelationship map is carried out with toothbrush attitude, mapping relations are as follows：
| θrNumber range | Toothbrush body attitude |
| -45°≤θr45 ° of ＜ | Brush is upward |
| 45°≤θr135 ° of ＜ | Brush is towards the right side |
| θr>=135 ° or θr＜ -135 ° | Brush is down |
| -135°≤θr＜ -45 ° | Brush is towards a left side |
Brushing action parsing module then judges the action brushed teeth by accelerator, and the action includes that left and right is brushed teeth, up and down
Brush teeth and whether toothbrush is static.
Then it is determined that after the attitude of toothbrush body, by pitching angle thetapPresent position with toothbrush is mapped, mapping
Relation is as follows：
The attitude that brushing zone parsing module passes through toothbrush, can determine whether toothbrush region in the oral cavity.According to toothbrush attitude
(brush upward, down, towards it is left or towards the right side) right, the tooth inner side left and right that can accurately distinguish out tooth left outer, and up and down
Chewing face.In guiding game APP, chewing face and inner side can be merged into a region, so can be by distinguishing inner side
Chewing face or so is distinguished indirectly in left and right.
(4) at the same time, the time statistical module counts toothbrush body residence time again on each brushing zone, from
And the timesharing that obtains total duration and each region for brushing teeth is long；Vibrations number of times statistical module counts user's toothbrush is at each
The vibrations number of times in region；
(5) last, the toothbrush attitude and evaluation module are by the output result of toothbrush gesture module and standard brushing action
Model compares, so as to evaluate the brushing action correctness of user, evaluation index include brushing zone coverage, total duration of brushing teeth,
Each region brush teeth timesharing long, toothbrush attitude specification, each region toothbrush vibrations number of times.
In the present invention, whether the parsing of brushing action is released according to the static judgement of toothbrush.Whether toothbrush is static can be by adding
Weighted average is done in the output of 3 axis of orientations of fast device, is static if less than explanation if pre-set threshold value.Toothbrush move left and right or
Moving up and down can be judged by the output of accelerator x-axis and y-axis, if the output of x-axis is more than the explanation of certain threshold values
Move left and right, if the input of y-axis is to move up and down more than the explanation of certain threshold values.
Roll angle is mapped to the attitude of toothbrush, the toothbrush attitude for finally drawing is divided into four kinds, be respectively brush upward, court
Under, towards left and towards the right side.Angular range sets to expand (judgement is loosened) or reduce according to Consumer's Experience and difficulty and (judges to add
By force).According to toothbrush attitude (brush upward, down, towards it is left or towards the right side) can to accurately distinguish out tooth left outer right, in tooth
Side or so, and face is chewed up and down.In guiding game APP, chewing face and inner side can be merged into a region, so may be used
Chewing face or so is distinguished indirectly with by distinguishing inner side left and right.
The angle of pitch can judge whether the posture of brushing teeth of user meets standard in some tooth regions.Such as when brush lower-left nozzle
During masticatory surface, can specify that posture of brushing teeth is specification when the angle of pitch is between -30 ° to 15 °.
Time statistical module：The analysis result and time stamp data of binding modules, can count toothbrush in each area of brushing teeth
It is residence time on domain, long so as to calculate the timesharing in brush teeth total duration and each region of user.Vibrations number of times statistical module：Root
According to the analysis result of module, toothbrush vibrations number of times on each zone can be counted.
Data evaluation module：According to the output result of gesture module, the brushing action correctness of user is evaluated.Evaluation index
Including brushing zone coverage, total duration of brushing teeth, each region brush teeth duration, each region toothbrush vibrations number of times.Evaluation module is first
One brushing action model of standard of setting, in the master pattern, it is stipulated that the full marks standard of each index, such as tooth regions are complete
Full marks are covered as, it 3 minutes is full marks, etc. that total duration of brushing teeth index reaches, and each index score is calculated according to ratio manner.In meter
After calculating indices score, using weighted scoring mode, PTS is calculated, provide overall assessment.
Attitude detection of brushing teeth and evaluation module are the cores of application software system, including toothbrush attitude parsing module, initial
Position judging module, brushing action parsing module, brushing zone parsing module, time statistical module and vibrations number of times statistics mould
Block, data evaluation module, wherein：
Initial position judge module：The module calculates roll angle and the angle of pitch using accelerator data, so as to judge toothbrush
Whether on tooth specify initial position.Need to be placed on front tooth when such as can specify that toothbrush starts.
And brushing action parsing module：Judge the action brushed teeth by accelerator, the action includes that left and right is brushed teeth, up and down
Brush teeth and whether toothbrush is static.
Brushing zone parsing module：By the attitude and initial position of toothbrush, toothbrush region in the oral cavity is can determine whether.Sentence
Break and the initial position that toothbrush is in regulation, there is initial position to can be obtained by yaw angle of the toothbrush relative to tooth, so that
The toothbrush attitude of binding modules may determine that 9 regions of the toothbrush on tooth, respectively go up chewing face, lower chewing face, a left side
Outside, right outside, left inside side, Right Inboard, middle outside, in upper inner side, in lower inner side.
Second situation is to judge that toothbrush is not at the initial position of regulation, in this case only roll angle and pitching
Angle, thus can only by toothbrush attitude by tooth it is rough be divided into 4 regions (a upper left side, it is upper in, upper right synthesis brush area upward
Domain, bottom left, it is lower in, bottom right synthesis brush region down is left outside, it is right in, front tooth synthesizes brush towards right region, left inside, right outer to close
Into brush towards left region).
Time statistical module：With reference to the analysis result and time stamp data of brushing zone parsing module, toothbrush can be counted
It is residence time on each brushing zone, long so as to calculate the timesharing in brush teeth total duration and each region of user.
Vibrations number of times statistical module：According to the analysis result of brushing zone parsing module, toothbrush can be counted at each
Vibrations number of times on region.
Data evaluation module：According to the output result of gesture module, the brushing action correctness of user is evaluated.Evaluation index
Including brushing zone coverage, total duration of brushing teeth, each region brush teeth duration, each region toothbrush vibrations number of times.Evaluation module is first
One brushing action model of standard of setting, in the master pattern, it is stipulated that the full marks standard of each index, such as coverage rate index reaches
It is full marks to 13, it 3 minutes is full marks, etc. that total duration of brushing teeth index reaches, and each index score is calculated according to ratio manner.
After calculating indices score, using weighted scoring mode, PTS is calculated, provide overall assessment.
The intelligent reinforcement module includes data processing module and weakness analysis module of brushing teeth
Intelligent reinforcement module
The data input of the weakness analysis module of brushing teeth in intelligent reinforcement module is brushing zone, region orthochronous, moves
Make the data record of orthochronous, reach that can to carry out the data record bar number of weakness analysis be N, refer to and work as brushing times
When being accumulated to n times, 1 weakness analysis can be carried out.
Brushing teeth weakness analysis in intelligent reinforcement module is main using two kinds of statistical methods of mean analysis and variance analysis, point
Analysis index is 2, is respectively region orthochronous and action orthochronous.In 13 brushing zones, each brushing zone
Time full marks value is T1, it is desirable to which value up to standard is T2=T1-2, while data sampling period error component is considered, each region
Action orthochronous full marks value is T1-1 seconds, it is desirable to which value up to standard is T2-1 seconds.
By region left-external side (on) as a example by, it is assumed that the brushing zone orthochronous average of n times sampling is avg (t1), if
avg(t1)<T1-1s
I.e. the average brushing time in the region is less than 8 seconds, then can determine whether the region brushing time deficiency, it is necessary to reinforcement.
Likewise, the brushing action orthochronous average for assuming n times sampling is avg (t2), if
avg(t2)<T2-1s
I.e. the average motion orthochronous in the region is less than 7 seconds, then can determine whether that the action orthochronous in the region is not enough,
Need reinforcement.
Intelligently guiding module
Intelligently guiding module of the invention, by cartoon picture, will brush teeth and be decomposed into 13 with game form as guiding
Region, guides user using correct posture of brushing teeth by demonstration movement, and user follows the brushing action in picture, uses cooperatively
Intelligent training toothbrush, implements brushing action, and attitude detection of now brushing teeth is acted just with evaluation module automatic decision user of toothbrushing
True property, returns result to game module, and game module provides corresponding prompting in picture.
Reinforcement policy development module in intelligently guiding module, is directed to the output result of weakness analysis module, to corresponding
Weakness carry out reinforcement policy development.Reinforcement strategy is divided into dominant reinforcement and stealthy reinforcement, and dominant reinforcement is referred to by picture
Or voice display alarm user needs to strengthen the nursing of the tooth regions, while increasing the region brushing time.Implicit reinforcement refers to
Be in intelligent training toothbrush bootup process, it is implicit increase the time by way of, user is not pointed out, when increasing the several seconds
Between, user feels unobvious.
If the brushing time average in certain region differs more than 4 seconds (containing 4 seconds) with value up to standard, mended using display
Strong mode.If within difference 4 seconds, using implicit reinforcement mode, the reinforcement time is the difference of average and value up to standard.
If the action orthochronous average in certain region differs more than 3 seconds (containing 3 seconds) with value up to standard, using aobvious
Show reinforcement mode.If within difference 3 seconds, using implicit reinforcement mode, the reinforcement time is the difference of average and value up to standard.
Region orthochronous reinforcement and action orthochronous reinforcement, both are not superimposed, and take the greater among both.In reinforcement
In mode, if both have an explicit reinforcement, using explicit enhancing, otherwise using implicit enhancing.
Reinforcement policy enforcement module in intelligently guiding module, when brushing times often reach n times, has carried out a weakness
After analysis and reinforcement policy development, according to the strategy formulated, actual reinforcement operation is carried out.During brushing teeth next time, guiding
Program performs reinforcement operation according to the reinforcement strategy in each region, and reinforcement operation continues 6 times, and weakness is no longer carried out during reinforcement
Analysis, after 6 times are terminated, each region returns to standard brushing time.Operated into the analysis of next round weakness and reinforcement, so
Circulation.
2.4 data storages and synchronization module
User when brushing teeth by certain frequency gathered data, in addition to sensing data, brushing time data simultaneously also by
Collection.The data record of collection is got off, and by after software processing, being formed to brushing zone, the judgement of brushing action, and convert
It is time dimension, the data for eventually forming include brushing zone, region orthochronous, action orthochronous.
Region orthochronous refers to the duration that user brushes teeth in the region, but acts not necessarily correct.
Action orthochronous, refers to user and is brushed teeth in correct region, and act the correct duration.
Action orthochronous is necessarily no more than region orthochronous.
The data form of collection is as shown in the table：
| Brushing zone | Region orthochronous | Action orthochronous |
| Left-external side | T1_ left-external sides | T2_ left-external sides |
| Front tooth outside | T1_ front teeth outside | T2_ front teeth outside |
| Right outside | The right outsides of T1_ | The right outsides of T2_ |
| Chew face+upper left inner side in upper left | Chew face+upper left inner side in T1_ upper lefts | Chew face+upper left inner side in T2_ upper lefts |
| Chew face+lower-left inner side in lower-left | Chew face+lower-left inner side in T1_ lower-lefts | Chew face+lower-left inner side in T2_ lower-lefts |
| Front tooth inner side (on) | T1_ front teeth inner side (on) | T2_ front teeth inner side (on) |
| Front tooth inner side (under) | T1_ front teeth inner side (under) | T2_ front teeth inner side (under) |
| Upper right chews face+right upper medial | T1_ upper rights chew face+right upper medial | T2_ upper rights chew face+right upper medial |
| Chew face+bottom right inner side in bottom right | Chew face+bottom right inner side in T1_ bottom rights | Chew face+bottom right inner side in T2_ bottom rights |
It is as shown in the table the following is a possible data record fragment：
| Brushing zone | Region orthochronous | Action orthochronous |
| Left-external side | 9 seconds | 7 seconds |
| Front tooth outside | 10 seconds | 10 seconds |
| Right outside | 10 seconds | 9 seconds |
| Chew face+upper left inner side in upper left | 10 seconds | 10 seconds |
| Chew face+lower-left inner side in lower-left | 10 seconds | 10 seconds |
| Front tooth inner side (on) | 10 seconds | 10 seconds |
| Front tooth inner side (under) | 8 seconds | 6 seconds |
| Upper right chews face+right upper medial | 5 seconds | 2 seconds |
| Chew face+bottom right inner side in bottom right | 10 seconds | 10 seconds |
For example, the 1st row data in upper table, are referred on this region of left-external side, and user of toothbrushing has been used 9 seconds
Clock, and it is 7 seconds to act the correct time.On the outside of front tooth, correct zone time is 10 for second row data display brushing zone
Second, action orthochronous is 10 seconds.
Data in upper table, after end of brushing teeth every time, are recorded, and by calling cloud service interface, by phase
Close data and upload to high in the clouds.
3. cloud service
Cloud service is deployed in internet public cloud, there is provided historical record storage, data analysis, share the functions such as ranking.
Cloud service includes two modules, is respectively data interface module, service module.
Data interface module is received from the brush-teeth record data transmitted with mobile intelligent terminal, and is stored in service end,
The data of transmission include user name, date of brushing teeth, each area score of brushing teeth.
Service module, provides the user various data queries of brushing teeth, analysis, sharing service, including historical record inquiry, song
Line displaying, trend analysis, weakness analysis, check ranking, share, push teeth caring knowledge etc..
Claims (7)
1. a kind of intelligent children brush teeth guiding system, it is characterised in that：Including intelligent toothbrush hardware, mobile intelligent terminal, intelligence
Guiding module of brushing teeth and long-distance cloud service background, wherein：
The intelligent toothbrush hardware, including toothbrush body, and it is located at motion sensor module, processor die in toothbrush body
Block, wireless communication module and power module, wherein the motion sensor module only includes accelerator, and according to predeterminated frequency pair
The motion state collection acceleration information of toothbrush body, and acceleration information is sent to processor module；The processor die
Action of the block to toothbrush body is encoded and is sent to mobile intelligent terminal by wireless communication module；
The mobile intelligent terminal, receives and preserves the data of intelligent toothbrush hardware transmission and by intelligent guiding module pair of brushing teeth
Data are analyzed and process；
Intelligence guiding module of brushing teeth includes toothbrush attitude and evaluation module, intelligent reinforcement module, intelligently guiding module, its
In：
The toothbrush attitude and evaluation module include toothbrush attitude parsing module, initial position module, brushing action parsing module,
Brushing zone parsing module, time statistical module, vibration number statistical module and data evaluation module, the toothbrush attitude with comment
The implementation method of valency module is comprised the following steps：
(1) first, the cut-off frequency for setting LPF is 2Hz, and sets up three-dimensional system of coordinate with the center of toothbrush body, is passed through
Accelerator obtains component of acceleration (a of the toothbrush body on x, y, z directionx,ay,az), and counted respectively by formula (1) and (2)
Calculate the pitching angle theta of toothbrush bodypθ is with rollingr：
Wherein ax、ay、azIt is the x of accelerator collection, the initial data on tri- directions of y, z；C is that accelerator rotates sensitive error
Penalty coefficient, the span of C is 0 ＜ C≤0.0550；
(2) and then by the roll angle θ of toothbrush bodyrRelationship map is carried out with toothbrush attitude, mapping relations are as follows：
(3) then it is determined that after the attitude of toothbrush body, by pitching angle thetapPresent position with toothbrush is mapped, and mapping is closed
System is as follows：
(4) at the same time, the time statistical module counts toothbrush body residence time again on each brushing zone, so as to obtain
The timesharing of total duration and each region that must be used to brush teeth is long；The vibrations number of times statistical module counts user toothbrush is in each region
Vibrations number of times；
(5) last, the toothbrush attitude and evaluation module are by the output result of toothbrush gesture module and standard brushing action model
Compare, so as to evaluate the brushing action correctness of user, evaluation index includes brushing zone coverage, total duration of brushing teeth, each area
Domain brush teeth timesharing long, toothbrush attitude specification, each region toothbrush vibrations number of times.
2. intelligent children brush teeth guiding system according to claim 1, it is characterised in that：The initial position mould regulation is initial
Position is tooth outside, and now the number range of the roll angle of toothbrush should meet -135 °≤θr＜ -45 °.
3. intelligent children brush teeth guiding system according to claim 1, it is characterised in that：Accelerator rotates sensitive error compensation
The span of coefficient C is 0.0120 ＜ C≤0.0255.
4. intelligent children brush teeth guiding system according to claim 1, it is characterised in that：The brushing action parsing module,
Brushing action is judged by accelerator, the brushing action includes that left and right is brushed teeth, brushes teeth up and down with whether toothbrush is static.
5. intelligent children brush teeth guiding system according to claim 1, it is characterised in that：The brushing zone parsing module,
By the attitude of toothbrush, toothbrush region residing in the oral cavity is judged.
6. intelligent children brush teeth guiding system according to claim 1, it is characterised in that：The brushing zone is divided into 9 areas
Domain, respectively go up chewing face, lower chewing face, left-external side, right outside, left inside side, Right Inboard, middle outside, in upper inner side, under
Inner side.
7. intelligent children brush teeth guiding system according to claim 1, it is characterised in that：The intelligent reinforcement module includes number
According to processing module and weakness analysis module of brushing teeth, wherein：The data processing module enters to the data received from intelligent toothbrush
Row treatment forms the brushing conditions data on time dimension, and the brushing conditions data include brushing zone value, region orthochronous
Value and action orthochronous value；The weakness analysis module of brushing teeth, is respectively adopted mean analysis and variance analysis to brushing conditions
Data carry out statistical disposition, obtain unit interval inner region orthochronous average and action orthochronous average, and with mark
Quasi- value is compared and obtains difference；The intelligently guiding module, the size according to difference carries out dominant reinforcement or recessive reinforcement, institute
It is that, by picture or voice display alarm user, the recessive reinforcement is directly in the standard value for brushing teeth guiding to state dominant reinforcement
Implicit increase or shortening time；The intelligently guiding module every after the complete brushing action of n times, according to specified reinforcement strategy
Carry out actual reinforcement operation so that the standard value of follow-up n middle reference of brushing teeth is, by the standard value after reinforcement, to treat that reinforcement is operated
After execution, into the weakness analysis and reinforcement operation of next round.
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