CN107967931A - Balance data collector - Google Patents
Balance data collector Download PDFInfo
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- CN107967931A CN107967931A CN201711479073.3A CN201711479073A CN107967931A CN 107967931 A CN107967931 A CN 107967931A CN 201711479073 A CN201711479073 A CN 201711479073A CN 107967931 A CN107967931 A CN 107967931A
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- 238000000034 method Methods 0.000 claims description 26
- 239000011521 glass Substances 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005303 weighing Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 7
- 230000036541 health Effects 0.000 abstract description 6
- 230000003862 health status Effects 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 description 10
- 238000012546 transfer Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 241001269238 Data Species 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 238000013480 data collection Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000037323 metabolic rate Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 101000911390 Homo sapiens Coagulation factor VIII Proteins 0.000 description 2
- 210000000577 adipose tissue Anatomy 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 210000002468 fat body Anatomy 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
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- 102000057593 human F8 Human genes 0.000 description 2
- 238000012905 input function Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229940047431 recombinate Drugs 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1116—Determining posture transitions
- A61B5/1117—Fall detection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1121—Determining geometric values, e.g. centre of rotation or angular range of movement
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4866—Evaluating metabolism
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4869—Determining body composition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4869—Determining body composition
- A61B5/4872—Body fat
Abstract
The present invention proposes a kind of balance data collector, including：Mainboard, is arranged on the bottom plate that balance claims；Pressure sensor, is arranged on bottom plate, is connected with mainboard, to export human pressure's data to mainboard；Electrode slice, is arranged on balance and is much of on side plate, be connected with mainboard, to export human impedance data to the mainboard；The mainboard is to receive human pressure's data and export human body shatter-resistant level data, and the mainboard is receiving the human impedance data and export the human body index of correlation data.By setting electrode slice and pressure sensor, and by internal processor with carry out the calculating of the index of correlation and determine, and user is showed by display screen, allow users to easily obtain itself relevant health index, self health status can be known in real time, meanwhile, by setting multiple pressure sensors, it is capable of the centre of pressure change of real-time collecting human body, so as to determine the shatter-resistant grade of user.
Description
Technical field
The present invention relates to technical field of electronic device, in particular to a kind of balance data collector.
Background technology
At present, rhythm of life be getting faster, operating pressure it is increasing, concern of the people to own bodies situation is also more next
It is more, but limited be subject to various conditions, our health status of itself can not be monitored in real time.But in our families nearly all
There is human body scale.Only need the time less than one minute to be known from body and focus on recent situation of change.With section
Also there is a kind of poidometer that fat, moisture etc. can also be measured in addition to measurable weight in the progress in the market of skill,
It is exactly body fat scale.Miscellaneous scale enters our daily lifes, to the health status of our bodies of monitoring, plays weight
Act on.But above-mentioned body fat scale does not measure body balance.
The content of the invention
In consideration of it, the present invention proposes a kind of balance data collector, it is intended to solves measurement total balance of the body index
Problem.
On one side, the present invention proposes a kind of balance data collector, including：Mainboard, is arranged on what balance claimed
On bottom plate；Pressure sensor, is arranged on the bottom plate, is connected with the mainboard, to export human pressure to the mainboard
Data；Electrode slice, is arranged on the balance and is much of on side plate, be connected with the mainboard, to export human body to the mainboard
Electrical impedance data；The mainboard to receive human pressure's data and export human body shatter-resistant level data, use by the mainboard
To receive the human impedance data and export the human body index of correlation data.
Further, the mainboard includes a MCU processors, to handle human pressure's data of input, human body
Electrical impedance data.
Further, the MCU processors are when handling human pressure's data：Gather the centre of pressure number of body to be measured
According to；Using centre of pressure data described in multi-scale entropy algorithm process, multi-scale entropy area under a curve value, the area value are obtained
As the complexity of the centre of pressure data, to weigh the balance of the body to be measured；Determine the centre of pressure data
Barycenter trajectory, the area for calculating the figure that the barycenter trajectory is formed obtains centre of pressure track area, for weighing
State the balance of body to be measured；The balance of the body to be measured is weighed by the track area and the ratio of the complexity.
Further, when calculating the centre of pressure track area, according to the position of the figure in a coordinate system, really
The extreme point of the fixed figure, and the figure is continuously rotated into predetermined angle in the coordinate system, after determining rotation every time
The figure extreme point, after the figure rotates 180 degree, terminate rotation process, and by all extreme point head and the tail
It is connected to form the figure of the barycenter trajectory.
Further, it is N-2 triangle by the inserting drawing of the barycenter trajectory, centre of pressure track area is
The sum of area of N-2 triangle, wherein N are the number of the extreme point of the figure, its N is the integer more than 2.
Further, after terminating the rotation process, deduplication operation is carried out to all extreme points, only retains one
The extreme point of same position in the figure, the figure of the barycenter trajectory is determined according to the extreme point after deduplication operation.
Further, it is determined that during the complexity, the centre of pressure data are decomposed, get rid of the centre of pressure data
In noise, after other high fdrequency components and part low frequency component, recombinate the centre of pressure data, analyzed and recombinated with multi-scale entropy
The centre of pressure data afterwards, obtain the total area value of the Sample Entropy under each scale, as the complexity.
Further, the mainboard further includes an input module, to input the age of human body, height, gender.
Further, the balance title further includes a display screen, and the display screen is located on the epipleural, with the master
Plate connects, to show the output data of the mainboard.
Further, the pressure sensor at least sets four, is separately positioned on the position of the bottom plate corner.
Further, the electrode slice is ITO electro-conductive glass.
Further, the ITO electro-conductive glass is located at the upside plate surface.
Further, the display screen shows the output data through the ITO electro-conductive glass.
Further, the balance title further includes a power module, and the power module is located on the bottom plate, and described
Mainboard connects, to provide power supply for the mainboard.
Further, the power module is alkaline battery, storage battery or lithium battery.
Beneficial effects of the present invention are：This collector is by setting electrode slice and pressure sensor, and passes through built-in place
Reason device shows user to carry out the calculating of the index of correlation and determine by display screen so that user can easily obtain
Itself relevant health index, can know self health status in real time, meanwhile, can by setting multiple pressure sensors
The centre of pressure change of real-time collecting human body, so as to determine the shatter-resistant grade of user.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this area
Technical staff will be clear understanding.Attached drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole attached drawing, identical component is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is the first floor diagram of balance data collector of the embodiment of the present invention；
Fig. 2 is the epipleural schematic diagram of balance data collector of the embodiment of the present invention；
Fig. 3 is the second floor diagram of balance data collector of the embodiment of the present invention；
Fig. 4 is the total balance of the body appraisal procedure flow chart of balance data collector of the embodiment of the present invention.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.It should be noted that in the case where there is no conflict, embodiment in the present invention and
Feature in embodiment can be mutually combined.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
Embodiment one
With reference to shown in Fig. 1 and Fig. 2, it is respectively the first bottom plate signal of balance data collector of the embodiment of the present invention
Figure and epipleural schematic diagram.Collector is mutually closed with bottom plate 8 by epipleural 9 and formed, and each device is located on bottom plate 8, body
Equilibrium criterion collector includes：Mainboard 1, pressure sensor 2, electrode slice 3.Mainboard 1 is arranged on the bottom plate 8 of collector, mainboard 1
To receive human body pressure data and export human body shatter-resistant level data, mainboard 1 is receiving the human impedance data simultaneously
Export the human body index of correlation data；Pressure sensor 2 is arranged on bottom plate 8, is connected with mainboard 1, to be exported to mainboard 1
Human pressure's data；Electrode slice 3 is arranged on the epipleural 9 of collector, is connected with mainboard 1, to export human body electricity to mainboard 1
Impedance data.Mainboard 1 further includes a MCU processors, to handle human pressure's data of input, human impedance data.
Specifically, mainboard 1 is fixed on bottom plate 8 first, and at least setting three is set in the corner location of bottom plate 8
Pressure sensor 2, mainboard 1 are connected to transmit data with pressure sensor 2 by connecting line；Electrode slice is set on epipleural 9
3, and electrode slice 3 is connected to gather the electrical impedance data of human body with mainboard 1 by connecting line；MCU processors are fixed on mainboard 1
On, to calculate and handle data.
Specifically, an input module is additionally provided with mainboard 1, to input the age of human body, height, gender.Input mould
Block can be directly anchored to corresponding position on mainboard 1, and open up on epipleural 9 corresponding hole position so that input module exposes,
User can carry out input operation accordingly；Alternatively, input module is fixed on epipleural 9, it is directly unfixed with mainboard 1, and lead to
Cross connecting line connection.
Specifically, collector further includes a display screen 5, and display screen 5 is located on epipleural 9, is connected with mainboard 1, to
Show the output data of the mainboard 1.Display screen 5 can be the display device being separately provided, it can be monochromatic or colored
Display screen 5, only need to disclosure satisfy that display data, alternatively, display screen 5 can also be touch display screen 5, it also has input
Function, mainboard 1 can be transmitted to input data and is handled, you can be interpreted as input module and display screen 5 being combined into one,
Reach more preferable user experience, and save the effect and purpose of panel space.
Specifically, electrode slice 3 selects ITO electro-conductive glass.ITO electro-conductive glass is located at 9 surface of epipleural, and shows
Display screen 5 can pass through ITO electro-conductive glass display datas.ITO electro-conductive glass can be used as epipleural 9, or in ITO electro-conductive glass
Downside sets a support plate, to fix ITO electro-conductive glass, prevents its fragmentation, or ITO electro-conductive glass directly is bonded in upside
On plate 9, and the unthreaded hole that can pass through display screen 5 is opened up on epipleural 9, so that display screen 5 can pass through ITO electro-conductive glass
Display data.
Specifically, collector further includes a power module 4, and power module 4 is located on bottom plate 8, or is located at epipleural 9
On, it is connected with the mainboard 1, to provide power supply for mainboard 1.Power module 4 can select alkaline battery, storage battery or lithium
Battery etc., its need can provide power supply for collector.
Specifically, the pressure data of human body is collected by pressure sensor 2 first, pressure data is transmitted to mainboard 1,
The electrical impedance data of human body is collected by electrode slice 3 at the same time, is transmitted to mainboard 1；User inputs the year of user by input module
The data such as age, height, gender, and by this data transfer to mainboard 1；Mainboard 1 collects pressure data, electrical impedance data and user
Age, height, the data such as gender, MCU processors built-in biological electrical impedance algorithm and balance index on mainboard 1 are calculated
Method, MCU processors combine the related data being collected into according to built-in related algorithm, determine the weight of human body, fat percentage, bone
The related datas such as amount, BMI, moisture rate, Lean mass, basal metabolic rate and interior fat index.Specifically, set at least three
Pressure sensor 2, gather human body obtains gravity center shift information, to determine the shatter-resistant class index of human body.Determined in MCU processors
After above-mentioned data, above-mentioned data transfer to display screen 5 is shown so that user can clearly know that itself is related
Exponent data.
It is understood that this collector is by setting electrode slice 3 and pressure sensor 2, and pass through internal processor
To carry out the calculating of the index of correlation and determine, and user is showed by display screen 5 so that user can easily obtain itself
Relevant health index, can timely be known self health status in real time, meanwhile, this collector is by setting with a pressure
Force snesor 2, is capable of the centre of pressure change of real-time collecting human body, so as to determine the shatter-resistant grade of user.
Embodiment two
With reference to shown in Fig. 3 and Fig. 2, it is respectively the second bottom plate signal of balance data collector of the embodiment of the present invention
Figure and epipleural schematic diagram.Collector is mutually closed with bottom plate 8 by epipleural 9 and formed, and each device is located on bottom plate 8, body
Equilibrium criterion collector includes：Mainboard 1, pressure sensor 2, electrode slice 3 and transport module 6.Mainboard 1 is arranged on the bottom of collector
On plate 8, for mainboard 1 to receive human body pressure data and export human body shatter-resistant level data, mainboard 1 is electric to receive the human body
Impedance data simultaneously exports the human body index of correlation data；Pressure sensor 2 is arranged on bottom plate 8, is connected with mainboard 1, to
Human pressure's data are exported to mainboard 1；Electrode slice 3 is arranged on the epipleural 9 of collector, is connected with mainboard 1, to mainboard
1 output human impedance data；Transport module 6 is located on the bottom plate 8, is connected respectively with mainboard 1 and terminal, to by mainboard
The data transfer of 1 output is to terminal, also to by the data transfer that terminal exports to mainboard 1.
Specifically, transport module 6 can receive the human body related data of the output of mainboard 1 and be transmitted to user terminal, with
Shown so that user can more easily obtain related data；Meanwhile transport module 6 is also exported with receiving user terminal
Age of user, height, the information such as gender, mainboard 1 is transmitted to, so that mainboard 1 carries out the calculating of related data.User is whole
End can be mobile phone, PC, tablet or other-end equipment, transport module 6 using be wirelessly transferred and/or wire transmission by the way of
It is attached with mainboard 1, terminal, wireless mode can use the wireless mode connection such as bluetooth, WIFI, Zigbee, and wired mode leads to
Crossing data cable makes transport module 6 be connected with terminal, it is to be understood that connection mode is specifically selected without limiting, its
Need that data can be transmitted.Transport module 6 can be provided separately within the bottom plate 8 of collector, can also be set directly at master
On plate 1.
Specifically, mainboard 1 is fixed on bottom plate 8 first, and at least setting three is set in the corner location of bottom plate 8
Pressure sensor 2, mainboard 1 are connected to transmit data with pressure sensor 2 by connecting line；Electrode slice is set on epipleural 9
3, and electrode slice 3 is connected to gather the electrical impedance data of human body with mainboard 1 by connecting line；MCU processors are fixed on mainboard 1
On, to calculate and handle data.
Specifically, an input module is additionally provided with mainboard 1, to input the age of human body, height, gender.Input mould
Block can be directly anchored to corresponding position on mainboard 1, and open up on epipleural 9 corresponding hole position so that input module exposes,
User can carry out input operation accordingly；Alternatively, input module is fixed on epipleural 9, it is directly unfixed with mainboard 1, and lead to
Cross connecting line connection.
Specifically, collector further includes a display screen 5, and display screen 5 is located on epipleural 9, is connected with mainboard 1, to
Show the output data of the mainboard 1.Display screen 5 can be the display device being separately provided, it can be monochromatic or colored
Display screen 5, only need to disclosure satisfy that display data, alternatively, display screen 5 can also be touch display screen 5, it also has input
Function, mainboard 1 can be transmitted to input data and is handled, you can be interpreted as input module and display screen 5 being combined into one,
Reach more preferable user experience, and save the effect and purpose of panel space.
Specifically, electrode slice 3 selects ITO electro-conductive glass.ITO electro-conductive glass is located at 9 surface of epipleural, and shows
Display screen 5 can pass through ITO electro-conductive glass display datas.ITO electro-conductive glass can be used as epipleural 9, or in ITO electro-conductive glass
Downside sets a support plate, to fix ITO electro-conductive glass, prevents its fragmentation, or ITO electro-conductive glass directly is bonded in upside
On plate 9, and the unthreaded hole that can pass through display screen 5 is opened up on epipleural 9, so that display screen 5 can pass through ITO electro-conductive glass
Display data.
Specifically, collector further includes a power module 4, and power module 4 is located on bottom plate 8, or is located at epipleural 9
On, it is connected with the mainboard 1, to provide power supply for mainboard 1.Power module 4 can select alkaline battery, storage battery or lithium
Battery etc., its need can provide power supply for collector.
Specifically, the pressure data of human body is collected by pressure sensor 2 first, pressure data is transmitted to mainboard 1,
The electrical impedance data of human body is collected by electrode slice 3 at the same time, is transmitted to mainboard 1；User inputs the year of user by input module
The data such as age, height, gender, and by this data transfer to mainboard 1；Mainboard 1 collects pressure data, electrical impedance data and user
Age, height, the data such as gender, MCU processors built-in biological electrical impedance algorithm and balance index on mainboard 1 are calculated
Method, MCU processors combine the related data being collected into according to built-in related algorithm, determine the weight of human body, fat percentage, bone
The related datas such as amount, BMI, moisture rate, Lean mass, basal metabolic rate and interior fat index.Specifically, set at least three
Pressure sensor 2, gather human body obtains gravity center shift information, to determine the shatter-resistant class index of human body.Determined in MCU processors
After above-mentioned data, above-mentioned data transfer to display screen 5 is shown so that user can clearly know that itself is related
Exponent data, while the index of correlation is transmitted to terminal and is shown so that user can obtain itself index of correlation at any time.
It is understood that this collector is by setting electrode slice 3 and pressure sensor 2, and pass through internal processor
To carry out the calculating of the index of correlation and determine, and user is showed by display screen 5 so that user can easily obtain itself
Relevant health index, can timely be known self health status in real time, meanwhile, this collector is by setting with a pressure
Force snesor 2, is capable of the centre of pressure change of real-time collecting human body, so as to determine the shatter-resistant grade of user.
Specifically, application program is write in terminal, application program can carry out data exchange with collector, and by answering
The displaying for the data that device exports is acquired with program, while related data can also be inputted by application program and is exported to adopting
Storage.On mobile terminals by setting APP to realize above-mentioned function, when terminal is immobile terminal, application program is set.
Related data can also be stored in terminal, to be compared the data of storage to user, can clearly know data
Change, so as to targetedly be improved.
It is understood that by setting application program in terminal so that this collector is more convenient to use flexibly, and
Usable family obtains relevant health exponent data whenever and wherever possible
Specifically, storage device is additionally provided with the mainboard 1 of collector, to store related data, to facilitate user
Transfer in real time, by the comparison to conventional data, so as to judge the health index change of user itself.
Embodiment three
According to above-mentioned collector, make a balance and claim, balance claims internal each component the part identical with above-mentioned collector
This is repeated no more again.Specifically, balance claims to be made of epipleural 9 and bottom plate 8, it is each to control that a mainboard 1 is set on bottom plate 8
A device and module, set a MCU processors to handle data on mainboard 1；An input module is also set up on mainboard 1, to
State the data such as the height of access customer, age, gender；8 four corners position of bottom plate sets at least three pressure sensors 2, pressure sensing
To measure pressure data, pressure sensor 2 is connected device 2 with mainboard 1 by conducting wire, by the data transfer being collected into mainboard 1,
Handled by MCU processors；Power module 4 is additionally provided with bottom plate 8, to claim to provide power supply for balance；Bottom plate 8 or on
One display screen 5 is set on side plate 9, to show the data of the output of mainboard 1；Setting electrode slice 3 on side plate 9 is deserved to be called in balance, is used
To measure the electrical impedance data of user；Balance title further includes a transport module 6, to carry out data exchange with terminal；In terminal
Corresponding application program is also encoded with, to claim to carry out data exchange with balance, application program is also balanced with storage claims output number
According to；At the same time it can also set a storage device on the mainboard 1 that balance claims, the data and defeated collected to store balance to claim
The data gone out, to facilitate user to obtain historical data in real time.
Specifically, balance exponentiation algorithm built in the mainboard 1 of title and bio-electrical impedance algorithm are balanced, passes through at least three
The pressure sensor 2 of a independent acquisition weight information, carries out quantification treatment by the pressure data of collection and is calculated by core algorithm
The shatter-resistant risk class of human body, while gather human body impedance relevant information, calculates fat percentage, bone amount, BMI, moisture rate, and muscle contains
Amount, basal metabolic rate, interior fat index etc., and measurement result can be directly displayed by display, transmission can also be passed through
6 data transfer to terminals of module are shown.
It is understood that balance claims the implementation method that center of gravity is gathered by pressure sensor, and calculate body
The algorithm of equilibrium index, realizes the assessment to human body shatter-resistant risk, simple in structure, cost is low.
Example IV
As shown in fig.4, present embodiment discloses a kind of total balance of the body appraisal procedure that can be applied to the various embodiments described above,
The MCU processors are according to steps of processing human pressure's data：
Step S101, gathers the centre of pressure data of body to be measured；
Step S102, using multi-scale entropy algorithm process centre of pressure data, the complexity of calculating centre of pressure data；
Step S103, determines the barycenter trajectory of centre of pressure data, and the area for calculating the figure that barycenter trajectory is formed obtains
To centre of pressure track area；
Step S104, the balance of body to be measured is weighed by track area and the ratio of complexity.
Specifically, step S101, gathers the centre of pressure data of body to be measured.Within the default time, put body to be measured
Preserved in the centre of pressure data on collector, obtaining body to be measured in real time by collector, and by data further to analyze.
Specifically, step S102, using multi-scale entropy algorithm process centre of pressure data (Cop:center of
Pressure), the complexity CI (complexity, MSE area under a curve value) of centre of pressure data is calculated.It is to be measured obtaining
After the centre of pressure data of body, using multi-scale entropy (MSE:Multi-scale sample entropy) algorithm is to the pressure of acquisition
Power center of gravity data is handled, and obtains the set [copx, copy] of Cop data, and calculate CI the and copy data of copx data
CI, the CI for obtaining copx, copy is summed, obtain CI the and copy data of copx data CI's and value SumCI, it is logical
The numerical value for crossing SumCI judges the balance of body to be measured.
Specifically, step S103, determines the barycenter trajectory of centre of pressure data, calculates the figure that barycenter trajectory is formed
Area obtain centre of pressure track area.According to the Cop data of acquisition, Cop data in a coordinate system each is calculated
The coordinate of point, and the extreme point of Cop data in a coordinate system is calculated according to the coordinate of each point, by obtained all extreme points successively
Ending is connected, and extreme point is then the barycenter trajectory of Cop data, and the figure that barycenter trajectory is formed is irregular polygon, and
The area of polygon is calculated, the area of polygon is the barycenter trajectory area SumS of cop data, can according to barycenter trajectory area
Judge the balance of body to be measured.
It is understood that the sequencing of step S102 and step S103 are herein exemplary illustration, it is not pair
The restriction of particular order, step S102 and step S103 can mutually overturn progress, can also be carried out at the same time, i.e. step S102 and
Step S103 is existing two steps side by side.
Specifically, step S104, the balance of body to be measured is weighed by track area and the ratio of complexity.Due to line
Therefore sexual system and nonlinear system, by barycenter trajectory area SumS compared with SumCI, calculate SumS/ there are shortcomings
The ratio of SumCI, the balance of body to be measured is judged by the ratio of SumS/SumCI.
It is understood that the balance of measured object is determined by the ratio of track area SumS and complexity SumCI,
When can overcome the shortcomings of to be used alone SumS or SumCI, the balance for further improving measurement measured object causes accuracy, together
When also overcome linear system and nonlinear system judges existing shortcomings during measured body balance.
In a kind of possible implementation based on above-described embodiment, refering to shown in Fig. 2 and Fig. 3, it is respectively the present invention
The figure of first barycenter trajectory of embodiment total balance of the body appraisal procedure and the figure of the second barycenter trajectory.Calculating centre of pressure
During the area of track, the position of the figure that is formed according to centre of pressure track in a coordinate system, determines the extreme point of figure, i.e., really
The extreme point of constant-pressure barycenter trajectory in a coordinate system, and figure is continuously rotated into predetermined angle in a coordinate system, determine each
The extreme point of postrotational figure, after figure rotates 180 degree, terminates rotation process, and by all extreme point head and the tail phases
Company forms the figure in a coordinate system of barycenter trajectory, and the figure is irregular figure, and the area of figure is SumS.Specifically
, in fig. 2, it can determine that the extreme point f in the figure x-axis in coordinate system and j, f are the minimum in x-axis, j x first
Maximum on axis, at the same time it can also determine that extreme point i in y-axis and e, i are that maximum e in y-axis is minimum in y-axis
Value, in the initial position of this figure, you can four extreme points i, j, e, f are determined；Carried out by secondary figure in coordinate system
Rotation process, rotation angle can be carried out rotating this figure, with g points by 3 degree or 5 degree progress rotation process along any one point
Exemplified by, rotation angle often rotates once by 5 degree of progress rotation process, carries out the confirmation of an extreme point, until secondary figure is revolved
Turnback position, all extreme points in rotary course are all found out, specific as shown in figure 3, rotating 180 degree in this figure
Afterwards, new extreme point h and d are obtained, all extreme points to this this figure have all determined, are respectively h, i, j, d, e and f.
After extreme point confirms, h, i, j, d, e and f are joined end to end successively, obtain a hexagon, then line h-i-j-d-e-f-h is center of gravity
Track, the area of hexagon is the area of barycenter trajectory.
In alternatively possible implementation based on above-described embodiment, with reference to shown in Fig. 4, it is people of the embodiment of the present invention
The figure of 3rd barycenter trajectory of body balancing evaluation method.Further, when calculating the area of figure of barycenter trajectory, by weight
The inserting drawing of heart track is N-2 triangle, and centre of pressure track area is the sum of area of N-2 triangle, and wherein N is
The number of the extreme point of figure, its N are the integer more than 2.
Specifically, after hexagon hijdef is obtained, it may be determined that this hexagon hijdef is made of six extreme points, then
When calculating the area of hexagon, hexagon is divided into (6-2) a triangle, is 4 triangles, calculates 4 triangles respectively
The area of shape, the area of 4 triangles is added to obtain the area of hexagon, so that the area of barycenter trajectory can be obtained.
Specifically, the area of each triangle, is calculated as follows：
T=(a+b+c)/2
Wherein, a, b, c are three length of sides of triangle, and vertex of a triangle is determined according to the extreme point of the barycenter trajectory, T
For the half of triangle girth, A is the area of triangle.That is the area A of triangle aef is：
Wherein,For the half of the girth of triangle hef, he, ef, fh are respectively three of triangle hef
Side.Using same method, the area of triangle hie, ije, jde are calculated, and the area of four triangles is added, obtains six
The area of side shape.
It is understood that when polygon being split as multiple triangles again, the point centered on a vertex of polygon,
It is connected respectively with other vertex, to form some triangles, as shown in figure 4, the point centered on point e, 4 are split as by hexagon
A triangle.
In alternatively possible implementation based on above-described embodiment, after terminating rotation process, to all extreme points
Deduplication operation is carried out, only retains an extreme point for being located at same position in figure, is determined according to the extreme point after deduplication operation
The figure of barycenter trajectory.
Further, the coordinate of each point of the figure of barycenter trajectory in a coordinate system, is calculated as follows：
Xn=X*cos (dwA)+Y*sin (dwA)
Yn=Y*cos (dwA)+X*sin (dwA)
Wherein, dwA is the figure rotating angle in a coordinate system of barycenter trajectory, it is that preset value, Xn and Yn pass through for point
Postrotational new coordinate is crossed, X, Y are the original coordinates of point.
In alternatively possible implementation based on above-described embodiment, when determining the complexity CI of Cop data, decompose
Cop data, after getting rid of noise in Cop data, other high fdrequency components and part low frequency component, recombinate centre of pressure data,
With the centre of pressure data after multi-scale entropy analysis restructuring, the total area value of the Sample Entropy under each scale is obtained, as Cop
The complexity CI of data.
Specifically, in preset time, the data set of the barycentric coodinates number of n group centre of pressure data is gathered, passes through weight
Heart formula calculates the barycentric coodinates data acquisition system [copx, copy] of centre of pressure data, and center of gravity formula is：
M*copx=s1*x1+s2*x2+.....+sn*xn
M*copy=s1*y1+s2*y2+.....+sn*yn
Wherein copxFor the set in centre of pressure data x-axis direction, copyThe set in centre of pressure data y-axis direction, sn are
N-th group of data collection, xn are the x-axis coordinate of n-th group of data collection, and yn is the y-axis coordinate of n-th group of data collection.
Specifically, during decomposition pressure center of gravity data, using Empirical mode decomposition (EMD:empirical mode
Decomposition decomposition pressure center of gravity data) is carried out.Specifically, according to the time scale of data sequence in itself come decomposed signal,
Produce one group of number it is new according to sequence, be set as intrinsic mode functions (IMF, intrinsic mode function), each is intrinsic
Modular function all contains local feature of the reset pressure center of gravity data on some scale, and should meeting for intrinsic mode functions is following
Condition：In whole centre of pressure data sequence, the number of zero crossing and the number difference of extreme point are no more than 1；When default
Between scope any time, the average of the envelope up and down formed by extreme point levels off to zero.
Further, the detailed process of Cop data processings is:
(1) data sequence xt all Local modulus maxima and minimum point are determined；
(2) all Local modulus maximas are connected to the coenvelope line to be formed with cubic spline interpolation, with same
Method obtains lower envelope line；
(3) average value of envelope up and down is calculated, the difference for obtaining average envelope line m1, xt and m1 is the first point
h1：
Xt-m1=h1
(4) if h1 meets two conditions of IMF components, then h11 is exactly first feature modular function of xt；If h1 is not
Meet the condition of IMF components, using h1 as initial data, repeat step 1-3, it is as follows to obtain new difference h11：
H1-m11=h11
(5) if h11 still not satisfies condition, step 1-3 repeats k times until h11 meets condition：
H1 (k-1)-m1k=h1k
Thus decomposed from original signal and obtained first IMF component, be denoted as c1=h1k, will from original signal
C1 is separated, and obtains difference signal r1, i.e.,：
Xt-c1=r1
(5) 1-4 is repeated using r1 as new initial data, obtains result
R1-c2=r2 ... r (n-1)-cn=rn
When meeting that any one following condition meets, original signal screening is terminated:
(1) component cn or residual volume rn is less than the predetermined value of substantive result；
(2) rn becomes a monotonic function, it is impossible to decomposites intrinsic mode functions again.
Specifically, the centre of pressure data after intrinsic mode functions restructuring are calculated with multi-scale entropy, under multi-scale entropy curve
Area value is the complexity CI after centre of pressure data recombination, and the complexity CI after restructuring is calculated as follows：
Wherein CI be restructuring after complexity, MSEn be n-th group restructuring after centre of pressure data, h for data sequence with
The difference of multi-scale entropy curve average envelope line average value.After acquisition complexity CI is calculated, corresponding to comprehensive copx and copy
Complexity CI, the SumCI after being integrated, by acquired Sums compared with SumCI, by the ratio of Sums/SumCI come
Judge the balance quality of human body or other bodies to be measured.
It is understood that determining the balance of human body or measured object by track area and the ratio of complexity, have
Body changes included information, the calculating of being balanced property so that this method overcomes linear system algorithm according to gravity center of human body
The shortcomings that with nonlinear system algorithm, can accurately assess the balance of human body.
To sum up, can be by the total balance of the body appraisal procedure described in above-described embodiment, the embodiment party applied to above-mentioned each device
In formula, so that above device can carry out the assessment of total balance of the body performance, and human body shatter-resistant grade determines.Art technology
Personnel on the implantable mainboard that title is either balanced to collector of the method or by programming it is understood that be implanted into
In the processor that collector or balance claim, total balance of the body performance data calculating is carried out, this law can also be write terminal applies
In program, pass through terminal built-in the method, the evaluation operation of progress total balance of the body performance.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (15)
- A kind of 1. balance data collector, it is characterised in that including：Mainboard, is arranged on the bottom plate that balance claims；Pressure sensor, is arranged on the bottom plate, is connected with the mainboard, to export human pressure's number to the mainboard According to；Electrode slice, is arranged on the balance and is much of on side plate, be connected with the mainboard, to electric to mainboard output human body Impedance data；The mainboard is to receive human pressure's data and export human body shatter-resistant level data, and the mainboard is to receive State human impedance data and export the human body index of correlation data.
- 2. balance data collector according to claim 1, it is characterised in that the mainboard includes a MCU processing Device, to handle human pressure's data, the human impedance data of input.
- 3. balance data collector according to claim 2, it is characterised in that the MCU processors are in processing institute When stating human pressure's data：Gather the centre of pressure data of body to be measured；Using centre of pressure data described in multi-scale entropy algorithm process, multi-scale entropy area under a curve value, the area are obtained It is worth the complexity as the centre of pressure data, to weigh the balance of the body to be measured；Determine the barycenter trajectory of the centre of pressure data, the area for calculating the figure that the barycenter trajectory is formed obtains pressure Barycenter trajectory area, for weighing the balance of the body to be measured；The balance of the body to be measured is weighed by the track area and the ratio of the complexity.
- 4. balance data collector according to claim 3, it is characterised in that calculating the centre of pressure track During area, according to the position of the figure in a coordinate system, the extreme point of the figure is determined, and by the figure in the seat Continuous rotation predetermined angle in mark system, determines the extreme point of the postrotational figure every time, until the figure rotates 180 degree Afterwards, terminate rotation process, and all extreme points are joined end to end to form the figure of the barycenter trajectory.
- 5. balance data collector according to claim 4, it is characterised in that tear the figure of the barycenter trajectory open It is divided into N-2 triangle, centre of pressure track area is the sum of area of N-2 triangle, and wherein N is the figure The number of extreme point, its N are the integer more than 2.
- 6. balance data collector according to claim 5, it is characterised in that right after terminating the rotation process All extreme point carries out deduplication operation, only retains an extreme point for being located at same position in the figure, according to going Extreme point operate again after determines the figure of the barycenter trajectory.
- 7. balance data collector according to claim 6, it is characterised in that when determining the complexity, decompose The centre of pressure data, after getting rid of noise in the centre of pressure data, other high fdrequency components and part low frequency component, The centre of pressure data are recombinated, with the centre of pressure data after multi-scale entropy analysis restructuring, are obtained under each scale The total area value of Sample Entropy, as the complexity.
- 8. balance data collector according to claim 2, it is characterised in that the mainboard further includes an input mould Block, to input the age of human body, height, gender.
- 9. according to claim 1-8 any one of them balance data collectors, it is characterised in that the balance claims also to wrap A display screen is included, the display screen is located on the epipleural, is connected with the mainboard, to show the output number of the mainboard According to.
- 10. balance data collector according to claim 9, it is characterised in that the pressure sensor is at least set Four are put, is separately positioned on the position of the bottom plate corner.
- 11. balance data collector according to claim 10, it is characterised in that the electrode slice is conductive for ITO Glass.
- 12. balance data collector according to claim 11, it is characterised in that the ITO electro-conductive glass is located at The upside plate surface.
- 13. balance data collector according to claim 12, it is characterised in that described in the display screen passes through ITO electro-conductive glass shows the output data.
- 14. balance data collector according to claim 1, it is characterised in that the balance title further includes an electricity Source module, the power module are located on the bottom plate, are connected with the mainboard, to provide power supply for the mainboard.
- 15. balance data collector according to claim 14, it is characterised in that the power module is alkaline electro Pond, storage battery or lithium battery.
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| CN109549628A (en) * | 2018-11-28 | 2019-04-02 | 芯海科技（深圳）股份有限公司 | Portable type measurement unit and degree of balance measurement method of parameters based on the device |
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