CN107087862A - Based on MSP430F5529 Wearable multifunctinoal health bracelet systems - Google Patents
Based on MSP430F5529 Wearable multifunctinoal health bracelet systems Download PDFInfo
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- CN107087862A CN107087862A CN201710043499.8A CN201710043499A CN107087862A CN 107087862 A CN107087862 A CN 107087862A CN 201710043499 A CN201710043499 A CN 201710043499A CN 107087862 A CN107087862 A CN 107087862A
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- multifunctinoal health
- health bracelet
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/0007—Bracelets specially adapted for other functions or with means for attaching other articles
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/0007—Bracelets specially adapted for other functions or with means for attaching other articles
- A44C5/0015—Bracelets specially adapted for other functions or with means for attaching other articles providing information, e.g. bracelets with calendars
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
- H04B2001/3861—Transceivers carried on the body, e.g. in helmets carried in a hand or on fingers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a kind of Wearable multifunctinoal health bracelet system based on MSP430F5529.It includes the next generator terminal of multifunctinoal health bracelet system, communication ends and the mobile phone that are arranged on bracelet as upper computer end, and the next generator terminal of the multifunctinoal health bracelet system passes through communication ends wireless communication connection upper computer end；The next generator terminal of the multifunctinoal health bracelet system is single-chip microcomputer central control module connection photoelectric sphyg module, three axle gravitational accelerometer modules, button；Power management module and Voltage stabilizing module；The multifunctinoal health bracelet system communication ends are the bluetooth 4.0 being connected with a single-chip microcomputer modules；Acquisition data module and signal processing system module are provided with the upper computer end.Present invention somatic sensation television game simple to operate, contributes to the recovery of the elderly's motor activity.Data display and somatic sensation television game operation facilitate data sharing and data review to check in upper computer end.
Description
Technical field
The invention discloses a kind of Wearable multifunctinoal health bracelet system, including healthy bracelet terminal and mobile phone it is upper
Generator terminal is there is provided sleep quality monitoring function, motion conditions writing function, somatic sensation television game operating function, data-transformation facility, to make
User provides intelligent health monitoring service, improves the quality of life of user.
Technical background
Since 21 century, as scientific and technical innovation constantly improves, people are for healthy growing interest, including daily sleep matter
Amount, daily exercise situation, disease forecasting, the early detection of disease, patient vital signs monitoring and disease later stage recover etc..
For example, for the social crowd of work office worker, being sitting in before computer to work for a long time can bring constitution to decline and fat risk to body,
Appropriate motion and situation feedback help to prevent a variety of work diseases；For the social crowd of the elderly, sleep state detection and
Training is part and parcel in life, and appropriate motion can reduce the production of osteoporosis and various senile chronic diseases
It is raw；For disease recovery society crowd, it is necessary to carry out training simply repeatedly to recover after some patients' limbs or brain damage
To former state.A variety of societies and personal question for more than, it would be desirable to a kind of convenient, rapid and effective Wearable
Health monitoring equipment is monitored to the vital signs and daily exercise situation of human body.
There is problems with wearable device product in the market：It is expensive；Precision is relatively low；Function is single；
Battery durable ability is poor.This project is intended to design a healthy bracelet for the various social crowds of society, collection sleep, motion,
Computer games check is cheap in one, and energy consumption is relatively low, can carry out vertical social activity, and can auxiliary treatment part senile chronic disease
Disease and post-operative recovery.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of based on many work(of MSP430F5529 Wearables
Energy healthy bracelet system, can monitor user's sleep quality, record moving situation, operation somatic sensation television game, can monitor and carry in real time
Go out healthalert even auxiliary treatment senile chronic disease and post-operative recovery training is provided.
To reach above-mentioned purpose, idea of the invention is that：The present invention is divided into three parts：The next generator terminal (I), communication ends
And upper computer end (III) (II).The next generator terminal (I) refers to wearable healthy bracelet system, and communication ends (II) refer to Bluetooth transmission, on
Position generator terminal (III) refers to the interface interaction i.e. APP operation displays for system.During present invention work, in progress in the next generator terminal (I)
Reception, processing, calculating, the packing of each module data, the packing data handled are sent to upper computer end through communication ends (II)
(III), upper computer end (III), which is received, carries out unpacking processing after data, by selecting different mode of operations, host computer carries out data
Respective handling and display.The next generator terminal (I) is by MSP430F5529 one-chip computer modules (100), PULSESENSOR photoelectric sphygs
Module (200), the axle gravitational accelerometer modules (300) of ADXL345 tri-, four button modules (401,402,403,404),
Complete to collect arteries and veins in BQ24230 power management modules (600) and SGM2019 Voltage stabilizing modules composition (700), the next generator terminal (I)
Fight signal, calculate respiratory rate, collect three axle gravity acceleration values, calculate the work such as paces number.Communication ends (II) are by bluetooth 4.0
Module (500) is constituted.Upper computer end (III) is made up of the mobile phone host computer APP based on JAVA, can enter three kinds of mode of operations：
The data source of sleep pattern, motor pattern and game mode, wherein sleep pattern in the respiratory rate in the next generator terminal (I),
The data source of motor pattern is in the paces number in slave computer section, and the data source of game mode is in three in the next generator terminal (I)
Axle gravity acceleration value.
Conceived according to foregoing invention, the technical solution adopted by the present invention is：A kind of Wearable based on MSP430F5529
Multifunctinoal health bracelet system includes the next generator terminal of a multifunctinoal health bracelet system, a communication ends and a mobile phone and made
For upper computer end, it is characterised in that：The next generator terminal of the multifunctinoal health bracelet system passes through in communication ends wireless communication connection
Position generator terminal；The next generator terminal of the multifunctinoal health bracelet system is MSP430F5529 single-chip microcomputers central control module connection one
Individual PULSESENSOR photoelectric sphygs module, the axle gravitational accelerometer modules of ADXL345 tri-, four buttons；One
BQ24230 power management modules and a SGM2019 Voltage stabilizing module；The multifunctinoal health bracelet system communication ends are one
The module of bluetooth 4.0 being connected with the MSP430F5529 single-chip microcomputers；Be provided with the upper computer end acquisition data module and
Signal processing system module, data are eventually displayed in upper computer end on APP；MSP430F5529 single-chip microcomputers center control
Signal acquiring system module and data transmission blocks are provided with module.
The next generator terminal single-chip microcomputer central control module is structurally characterized in that from MSP430F5529's：Based on RISC16
Position mixed signal processing, possesses super low-power consumption ULP frameworks, the CPU speed with highest 25MHz, internal high-speed memories,
128KB flash memories, 10KB RAM, abundant I/O port 63,4 16 general purpose timers, and collect equipped with timer, house dog
Into peripheral hardware；Additionally it contained numerous communication interfaces：Up to 2 I2C and 4 SPI, 2 UART, a USB；Operating voltage
For 1.8V to 3.6V；Its function is that signal acquisition and data for realizing slave computer are sent.
The next generator terminal photoelectric sphyg module is PULSESENSOR from model, and it is structurally characterized in that：Supply voltage exists
3V is between 5V, a diameter of 16mm, can have three connecting lines, two in ear-lobe and finger tip detection to pulse signal, Modular surface
Powered for connecing supply unit for its work, one is used as DOL Data Output Line；Its function is the collection for pulse wave signal, is adopted
With green light LED and photoelectric transformer, the absorption by human body to infrared light surveys breathing frequency using photoplethysmographic graphical method
Rate.
The axle gravitational accelerometer module of the next generator terminal three is ADXL345 from model, and it is structurally characterized in that：Power supply electricity
It is pressed between 2.0V~3.6V, measurement range is ± 2G/ ± 4G/ ± 8G/ ± 16G；Its function is three axles for that will collect
Acceleration carries out algorithm process, obtains after step number by bluetooth serial ports communication outflow, sends data and received with Bluetooth receptions termination
It is instruction to send order；The 3-axis acceleration that three axis accelerometer is collected, by delay, or by timer interruption, every
Certain time sends a data；Every group of Data Start supplies mobile phone terminal partition data using " 1 | " as mark, for somatic sensation television game
Part.
The slave computer end button module is from four button accessories, and it is structurally characterized in that：Single-chip I/O mouth is connected to, circle
Shape is smooth easy to operate；Its function, which is wherein three, is used for the model selection of Wearable multifunctinoal health bracelet, and one of them is used for
The power switch selection of Wearable multifunctinoal health bracelet.
The next generator terminal power management module is BQ2423032 from model, and it is structurally characterized in that：Supply voltage exists
Between 4.35V~26V；Its function is managed for the whole power supply to healthy bracelet.
The next generator terminal Voltage stabilizing module is from the SGM2019-3.3YN5G encapsulation SOT23- that model is SGM2019 series
5, it is structurally characterized in that：Low output noise, possesses low voltage difference output voltage, overtemperature protection, output current limitation, 10nA logic controls
Multiple features such as the output that system shut-off, exportable multiple voltages and adjustable 1.2V~5.0V are exported and fixed；Its function is
For for MSP430F5529 single-chip microcomputers central control module, PULSESENSOR photoelectric sphygs module and the axle weights of ADXL345 tri-
Power accelerometer module carries out voltage stabilizing and powered, and will not be damaged with protection module because of spread of voltage.
The communication ends data communication module is the module of bluetooth 4.0 from model, and it is structurally characterized in that：Low-power consumption, handles up
Amount is smaller, and peak point current is less than 15mA, and quiescent current is 4 μ A；Its function is to be used to send data to upper computer end, is entered for it
Row data processing is simultaneously shown.
The upper computer end display data form is APP, and it is structurally characterized in that：APP programmings use JAVA language；Its function
It is the selection interface and operation interface that Three models are presented using APP.
The present invention compared with prior art, enters with following obvious prominent substantive distinguishing features and notable technology
Step：This bracelet system possesses basic function, such as：Meter step, monitoring sleep situation function, and by using super low-power consumption, monitoring
Scope more accurately PULSESENSOR photoelectric sphygs detection module, obtains respiratory rate value with photoplethymograph, passes through
Threshold value obtains different sleep qualities.By using the high-precision axle gravitational accelerometer modules of ADXL345 tri-, with acceleration
The method that certain maximum axle gravity acceleration value curve of change meets three conditions carries out accurately meter step.By using
The axle gravitational accelerometer modules of ADXL345 tri-, mobile phone gravitational accelerometer is replaced with the gravity acceleration value of measurement
Gravity acceleration value method simultaneously carries out a series of complex calculating, carrys out somatic sensation television game simple to operate, contributes to the elderly and patient
The recovery of motor activity.Data display and somatic sensation television game operation facilitate data sharing and data review to check in upper computer end.
Brief description of the drawings
Fig. 1 is multifunctinoal health bracelet system architecture diagram of the present invention
Fig. 2 is the hardware module flow chart of the next generator terminal (I) of multifunctinoal health bracelet system of the present invention
Fig. 3 is the positive structure schematic schematic diagram of the next generator terminal (I) of multifunctinoal health bracelet system of the present invention
Fig. 4 is the structure schematic diagram schematic diagram of the next generator terminal (I) of multifunctinoal health bracelet system of the present invention
Fig. 5 is the structural representation schematic diagram of side 1 of the next generator terminal (I) of multifunctinoal health bracelet system of the present invention
Fig. 6 is the structural representation schematic diagram of side 2 of the next generator terminal (I) of multifunctinoal health bracelet system of the present invention
Fig. 7 calculates respiratory rate flow in the sleep function for the next generator terminal (I) of multifunctinoal health bracelet system of the present invention
Figure
Fig. 8 calculates paces number flow chart in the motor function for the next generator terminal (I) of multifunctinoal health bracelet system of the present invention
Fig. 9 is the signal processing system module software flow chart of multifunctinoal health bracelet system upper computer end (III) of the present invention
Figure 10 is the model selection interface schematic diagram of multifunctinoal health bracelet system upper computer end (III) of the present invention
Figure 11 is the sleep monitor mode interface schematic diagram of multifunctinoal health bracelet system upper computer end (III) of the present invention
Figure 12 is the motion detection mode interface schematic diagram of multifunctinoal health bracelet system upper computer end (III) of the present invention
Figure 13 is the somatic sensation television game selection interface schematic diagram of multifunctinoal health bracelet system upper computer end (III) of the present invention
Figure 14 is the bead game mode interface schematic diagram of multifunctinoal health bracelet system upper computer end (III) of the present invention
Figure 15 is the bead game function block flow diagram of multifunctinoal health bracelet system upper computer end (III) of the present invention
Figure 16 solves stream for the anglec of rotation in the bead game of multifunctinoal health bracelet system upper computer end (III) of the present invention
Cheng Tu
Figure 17 is the boxing game mode interface schematic diagram of multifunctinoal health bracelet system upper computer end (III) of the present invention
Figure 18 is the boxing game function block process figure of multifunctinoal health bracelet system upper computer end (III) of the present invention
Figure 19 is three axle acceleration of gravity in the boxing game of multifunctinoal health bracelet system upper computer end (III) of the present invention
Value changes situation curve map
Embodiment
The present invention is further described below in conjunction with the drawings and specific embodiments.
Embodiment one：
Referring to Fig. 1, the Wearable multifunctinoal health bracelet system based on MSP430F5529 includes one and is arranged on bracelet
The next generator terminal (I) of multifunctinoal health bracelet system, a communication ends (II) and a mobile phone be used as upper computer end (III).Institute
It is that a MSP430F5529 single-chip microcomputers central control module (100) connects a PULSESENSOR photoelectricity arteries and veins to state the next generator terminal (I)
Module of fighting (200), the axle gravitational accelerometers (300) of ADXL345 tri-, four buttons (401,402,403,404), one
BQ24230 power management modules (600) and a SGM2019 Voltage stabilizing modules (700).Communication ends (II) include one and the list
The module of bluetooth 4.0 (500) that piece machine is connected by SPI serial ports.Be provided with upper computer end (III) signal processing system module and
Show APP (800).Signal acquiring system module is provided with MSP430F5529 single-chip microcomputers (100).The PULSESENSOR
Photoelectric sphyg module (200) is connected by the A/D conversion mouths of single-chip microcomputer, and pulse wave analogue signal changes it by A/D
Pulse wave signal is stored afterwards.The axle gravitational accelerometer modules (300) of ADXL345 tri- gather three axle gravity acceleration values and deposited
Storage carries out calculating in single-chip microcomputer, under motor pattern keeps initial value under paces value, game mode.All data are final by bluetooth
4.0 modules (500) are sent to upper computer end (III).
Embodiment two：The present embodiment and embodiment one are essentially identical, and special feature is as follows：
The next generator terminal (I) is made up of six modules, completes Data Collection, processing, calculates and pack.Its major function
Following [0040]~[0081] of specific implementation, referring to Fig. 2 to Fig. 8.
The single-chip microcomputer central control module (100) is MSP430F5529 from model.It, which is structurally characterized in that, is based on
RISC16 mixed signal processing, possess super low-power consumption (ULP) framework, the CPU speed with highest 25MHz, built-in high speed is deposited
Reservoir (128KB flash memories, 10KB RAM), abundant I/O port (63), 4 16 general purpose timers, and equipped with timer,
The integrated peripheral hardware such as house dog.Additionally it contained numerous communication interfaces：Up to 2 I2C and 4 SPI, 2 UART, one
USB.Operating voltage is 1.8V to 3.6V.It is mainly used in signal acquisition and data processing.Calculate and exhale comprising collection pulse signal
Inhale frequency, three axle gravity acceleration values of collection and calculate paces number and three axle gravity acceleration values of collection for operating game dynamic
Make.All data are sent to upper computer end (III) by the module of bluetooth 4.0 (500) of connection.
The photoelectric sphyg module (200) is PULSESENSOR from model.It is structurally characterized in that supply voltage in 3V extremely
Between 5V, a diameter of 16mm can be in ear-lobe and finger tip detection to pulse signal, and Modular surface has three connecting lines, two with
Powered to connect supply unit for its work, one is used as DOL Data Output Line.It is mainly used in the collection of pulse wave signal.Using green glow
Photoelectric sensor, and LED light transmitter, the absorption by human body to infrared light are surveyed using photoplethysmographic graphical method and exhaled
Inhale frequency.
The three axles gravitational accelerometer module (300) is ADXL345 from model.It is structurally characterized in that supply voltage exists
2.0V between~3.6V, measurement range is ± 2G/ ± 4G/ ± 8G/ ± 16G.The three axle gravity for being mainly used in obtaining user add
Velocity amplitude, including X-direction gravity acceleration value, Y direction gravity acceleration value and Z-direction gravity acceleration value, lead to
Cross the module of bluetooth 4.0 (500) and be sent to upper computer end (III), analyzed in carrying out motion and game function in upper computer end (III).
The button module is from four button accessories (401,402,403,404).It, which is structurally characterized in that, is connected to monolithic
Machine I/O port, it is circular smooth easy to operate.Button (401), button (402) and button (403) are mainly used in Wearable multifunctinoal health
The model selection of bracelet system.Button (404) is mainly used in the switch selection of Wearable multifunctinoal health bracelet system.
The power management module (600) is BQ24230 from model.It is structurally characterized in that supply voltage 4.35V~
Between 26V.It is mainly used in being managed the power supply of healthy bracelet system, implements：Firstth, by USB port directly to health
Bracelet system is powered.Secondth, the electric power storage lithium battery of healthy bracelet system is charged, so as to electric power storage lithium battery to strong
Health hand loop system is powered.
The Voltage stabilizing module (700) is from the SGM2019-3.3YN5G encapsulation SOT23-5 that model is SGM2019 series.
It is structurally characterized in that low output noise, possesses low voltage difference output voltage, overtemperature protection, output current limitation, 10nA logic controls
Multiple features such as the output that shut-off, exportable multiple voltages and adjustable 1.2V~5.0V are exported and fixed.Be mainly used in for
MSP430F5529 single-chip microcomputers central control module (100), PULSESENSOR photoelectric sphygs module (200) and ADXL345 tri-
Axle gravitational accelerometer module (300) carries out voltage stabilizing and powered, and will not be damaged with protection module because of spread of voltage.
Referring to Fig. 2, shown in the hardware module flow chart of the next generator terminal (I).MSP430F5529 single-chip microcomputers center control
Module (100) is mainly used in realizing that the data acquisition of slave computer, package, data transmission and returned data are shown.Carry out first
System initialization.Including system clock initialization：Vcore voltages are improved to the superlative degree, to meet frequency multiplication demand, LFXT1 are utilized
System clock is set to maximum 25MHZ by (32.768kHZ) as clock reference using FLL (FLL)；Port initialization：It is silent
Recognize and put high level；Serial ports 0 is initialized：Mouth TXD/RXD, RST set is sent using P3.3 and P3.4 as serial ports, is from ACLK
The clock source 32.768kHZ of serial ports 0, Configuration of baud rate:32768/9600=3.41, low eight are 3, and high eight-bit is that 0, RST resets,
Enable to receive and interrupt；RTC is initialized：Enable and interrupt；AD is initialized：ADC12CTL0 sets to 0 x0410, using A6 (P6.6) as defeated
Enter and open global interrupt.Single-chip microcomputer carries out the program that brought into operation after system reset.
Main program is by judging different button signals, obtaining the result of Three models selection.
First, the sleep pattern that includes of the present invention is worth to PULSESENSOR light by read A/D translation caches area
The pulse signal that electric pulse module (200) is provided.Slave computer carries out data processing to pulse signal and obtains respiratory rate value, will
Respiratory rate carries out data transmission to host computer.Flag bit is set to 0 again after being sent completely and serial ports interruption is opened, under wait
The reading of one group of pulse signal.
Second, the motor pattern that the present invention is included is sent by reading the module (500) of 0 bluetooth of serial ports 4.0
The paces number of MSP430F5529 single-chip microcomputers central control module (100), APP (800) is recorded to it, and according to body
Weight and height carry out move distance, move element and consumption calorie calculating, reach meter step and check the purpose of consumption.
3rd, the game mode that the present invention is included, by reading the ADXL345 that the module (500) of 0 bluetooth of serial ports 4.0 is sent
The gravity acceleration value of three axle gravitational accelerometers (300), APP (800) carries out data unpacking processing to it, reads data value
The purpose for producing game action is reached afterwards.
Referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the present invention is with sleep detection function, movement monitoring function and body-sensing
The healthy bracelet system of game function.Bracelet system appearance includes curved surface and bracelet band, the affixed bracelet band in curved surface two ends, its feature
It is that bracelet curved surface side is used for model selection provided with three buttons -107, button -108 and button -109, power switch is pressed
Button -110 is located at bracelet curved surface opposite side.Bracelet internal system includes five modules, and described bracelet band side is provided with
ADXL345 gravitational accelerometers -101 be used for gather three axle gravity acceleration values, bracelet surface patch top half provided with battery -
103 are used to power, and bracelet surface patch the latter half is provided with MSP430F5529 single-chip microcomputers central control module -102, and bracelet band is another
Side is used to communicate provided with the module -104 of bluetooth 4.0, and the bracelet back side is provided with the PULSESENSOR photoelectricity for being used for gathering pulse wave
Pulse module -105.
Referring to Fig. 7, sleep monitor function implementation process figure of the present invention is as shown in the figure.The present invention passes through PULSESENSOR light
Electric pulse module (200) collects pulse signal, and respiratory rate value is obtained in the next internal arithmetic (al), through the module of bluetooth 4.0 (500)
Upper computer end (III) is sent to, in carrying out sleep quality judgement in upper computer end (III), respiratory rate value is more than given threshold, sentenced
It is set to shallow sleep, is otherwise deep sleep.Respiratory rate algorithm specific implementation following [0053] in sleep pattern of the present invention~
[0075]。
Low-pass filtering treatment is carried out to photoplethysmographic signal first, High-frequency Interference therein is eliminated, passes through pulse
Ripple recognizer, identifies pulse wave；Then according to the pulse wave that identifies, carry out characteristic parameter extraction, extract its envelope,
Every, amplitude, area parameters sequence, and row interpolation resampling is entered to four sequences；Using chirp z transform to resampling after
Signal carry out spectrum analysis, extract four signals and distinguish corresponding frequency；Finally four frequency values are weighted averagely,
Determine the measured value of respiratory rate.
By handling the photoplethysmographic signal that photoelectric probe is collected, LPF is carried out to it, and calculate
The value of its SSF slope and function, the starting point of each pulse wave is determined by adaptive threshold and local searching strategy, and then
Efficiently identify out each pulse wave.
PPG signals are detected using the algorithm for the pulse wave starting point for detecting ABP signals
(PPG：Volumetric blood pulse wave) pulse wave.
SSF value represents the z of data after the LPF that previous segment length is wi:
Wherein：1+w≤i≤N, N represent the total length of PPG signals
Δyk=yk-yk-1
yk=2yk-1-yk-2+xk-2xk-5+xk-10
Using the pulse wave identified, its envelope, interval, amplitude, the sequence of area parameters are extracted respectively
Using the method for recognizing pulse wave, each pulse wave is identified, the peak point of pulse wave is then found, and then obtained
The envelope of PPG signals.By detecting the interval between adjacent peak, accurate heart rate information can be obtained, and from heart rate information
Change in calculate respiratory rate.The amplitude of pulse wave is the difference between pulse wave maximum and minimum value, passes through arteries and veins
The change of amplitude of ripple of fighting obtains the frequency information relevant with breathing.Area parameters are extracted to extract from PPG signals to study
Respiratory rate.
Because the sequence is that each pulse wave is sampled, sample frequency is low, and points are few, therefore is inserted using cubic spline
The points and sample frequency that the method for value is entered after row interpolation, interpolation to four discrete serieses extracted are kept with primary signal
Unanimously.
Row interpolation is entered to it with cubic spline functions S (x), it is f (x) in [a, b] cubic spline interpolation letter
Number：
S (x) is simultaneously met：
Si(x)=ai+bix+cix2+dix3,x∈[xi,xi+1], (i=0,1 ..., n- 1)
S(xi)=f (xi)=yi, i=0,1 ..., n
Spectrum analysis is carried out using chirp z transform to the signal after interpolation, spectral resolution is effectively improved and final
As a result accuracy, we realize CZT using circular convolution, by FFT algorithm.
It is weighted averagely for the respiratory rate value that four parameters are respectively obtained, when making each survey calculation, reliability
High weights are big, and the low weights of reliability are small, obtain with certain anti-interference and the less result of error.In data processing
When, in order to accurately and rapidly detect respiratory rate, the real-time of measurement is improved, the mode of sliding window is employed, improved
The utilization rate of signal.
The respiratory rate of ith after weighted average is as follows：
Obtain after respiratory rate, it sent to host computer by bluetooth, host computer it is carried out threshold decision whether be
Deep sleep.
Referring to Fig. 8, the present invention collects three axle gravity by the axle gravitational accelerometer modules (300) of ADXL345 tri- and accelerated
Angle value, Mode Feedback of running or be careful is set by upper computer end (III) and returns slave computer setting respective threshold, mono- in MSP430F5529
Dynamic threshold judgement, time window are carried out in piece machine central control module (100) to signal to judge and acceleration change peak value
Judge, judge that successfully then paces number adds one.Upper computer end (III) is sent to through the module of bluetooth 4.0 (500), in upper computer end (III)
It is interior to calculate move distance, movement velocity and the calorie of consumption, and obtain motion conditions result display data.It is of the present invention
Following [0077]~[0081] of paces number computational algorithm specific implementation in motor pattern.
At least one axle has relatively large periodic accelerations change in three axle gravity acceleration values.From with
Maximum cycle accelerates an axle of change, and data analysis is carried out to it.The three axis accelerometer signal collected is in slave computer
In be filtered processing, find dynamic threshold by recording its peak-to-peak value, carrying out dynamic threshold judgement, time window to signal sentences
Fixed and acceleration change peak value judges, judges that successfully then paces number adds one.Dynamic threshold is updated by historical data.Slave computer will
Final paces number is sent to host computer through bluetooth, host computer receive data and data are carried out move distance, movement velocity with
And consumption calorie calculation, it is eventually displayed in host computer interface.
Digital filter：Make signal waveform smoothened using four registers and a sum unit.
Dynamic threshold and dynamic accuracy：Systems stay updates the maximum and minimum value of 3 axle accelerations, often samples 50 times more
Newly once.Average value (Max+Min)/2 is referred to as " dynamic threshold ".It is using this threshold decision individual in ensuing 50 samplings
It is no to step paces.
Judge that paces add a condition：First, curve is downwards across dynamic threshold.Dynamic threshold updates once per 1s, takes
Maximum and the average value of minimum value that 1s is produced.Second, interval times of two effective paces time window [0.2s~
2.0s] in.3rd, the walk acceleration change peak value of generation of human body have to be larger than predetermined value, such as：1.5m/s.
Above three condition is met simultaneously, then can determine that step number plus one, finally obtain total paces number.
Communication ends (II) are made up of the module of bluetooth 4.0 (500).The specific implementation of its major function is following [0083].
The data communication module (500) is the module of bluetooth 4.0 from model.It is structurally characterized in that low-power consumption, handling capacity
Smaller, peak point current is less than 15mA, and quiescent current is 4 μ A.It is mainly used in the transmission to data between slave computer and host computer.Pass through
Serial ports assistant can obtain the pairing key of Bluetooth address and bluetooth, by Bluetooth address and pairing in upper computer end (III) source code
Modified at key, you can carry out bluetooth communication.In game mode, slave computer packs required data, with " 1 | x-axis data
(XXX)+y-axis data (XXX)+z-axis data (XXX) " (XXX：0~256 correspondence-g~g, linear related) data packet form hair
Send；In motor pattern, host computer first sends " 0X31 " to slave computer, it is received start information and sends data, and slave computer will
Required data packing, with " 2 | 0X21+0X1F+0X22+ paces numbers+0X6C+0X23 " form transmission (hexadecimal)；Sleep pattern
In, slave computer packs required data, with " 3 | 0X88+0XE4+0X25+ respiratory rate values+0XA8+0X36 " form transmission.
Upper computer end (III) monitoring by mobile phone host computer APP (800) the formal operations somatic sensation television game based on JAVA and in real time
Display data is constituted.Following [0085]~[0115] of its major function specific implementation, referring to Fig. 9 to Figure 19.
The upper computer end (III) is mainly used in healthy bracelet system to the transmission of host computer and the display of data message.
Data are sent directly to upper computer end (III), upper computer end by data after slave computer is gathered by the module of bluetooth 4.0 (500)
(III) processing that next step is carried out after data is obtained.Upper computer end (III) interface provides three model selections.First, mould of playing
Formula, upper computer end (III) enters after game mode, one of two kinds of game modes of selection, wears bracelet and presses the trip of bracelet side
Play mode button, game action can be produced by hand exercise.Second, sleep pattern, upper computer end (III) enters sleep mould
After formula, wear bracelet and press bracelet side sleep pattern button, click on " starting sleep " button at interface, can be slept
Sleep and monitor.3rd, upper computer end (III) enters after motor pattern, " running " or " being careful " button in selection interface, sets individual
People's body weight and height information, wear bracelet and press bracelet side motor pattern button, and " setting in motion " for clicking on interface is pressed
Button, can carry out motion monitoring, can be observed " paces number ", " move distance ", " movement velocity " and " consumption calorie " four
Item data result.
Signal processing system module is provided with upper computer end (III).Android device has interacted two groups with BLE equipment
Role：Central apparatus and ancillary equipment, it is also assumed that being server end and client.Central apparatus scan BLE equipment, and outer
Peripheral equipment etc. is to be connected.Herein, bracelet needs unlatching bluetooth etc. to be connected, and Android device is responsible for scanning and connecting hand
Ring.
Two equipment are communicated by BLE, it is necessary first to set up GATT connections.Here Android device is used as client
End, connection GATT Server.Connection GATT Server are, it is necessary to call BluetoothDevice connectGatt () sides
Method.Three parameters of this function band：Context, autoConnect (boolean) and BluetoothGattCallback objects.
BluetoothGattCallback objects are the keys of reading and writing data, need to realize wherein several take out when instantiating the object
As method, including data are received, send data, service state etc..
In addition, making to show a C language on single-chip microcomputer, and write on Android using Java, both programming languages
Data type has certain difference, it is therefore desirable to coordination data form.
Referring to Fig. 9, upper computer end (III) comes from the packing data of the next generator terminal (I) by Bluetooth receptions, is solved
After bag processing, under the different mode working environment of entrance, the further complex process of data is carried out.Upper computer end (III) of the present invention
Three kinds of selection modes, including sleep pattern, motor pattern and game mode are provided, Three models carry out different operations respectively
Environment.
Referring to Figure 10, the model selection interface of upper computer end (III) of the present invention is as shown in the figure.Into APP, interface occurs three
Individual mode selecting button：Sleep pattern, motor pattern and game mode.
Referring to Figure 11, the sleep monitor interface of upper computer end (III) of the present invention is as shown in the figure.When interface display has shallow sleep
Between, deep sleep time and start sleep button.
Referring to Figure 12, the motion detection interface of upper computer end (III) of the present invention is as shown in the figure.Interface display has selection to move
Type button, fill in personal information text box, paces number result data, move distance result data, movement velocity result data,
Consume calorie result data, setting in motion button and stop motion button.
The specific implementation that move distance, movement velocity and consumption calorie are calculated in motor pattern of the present invention is as follows
[0094]~[0102].
Upper computer end (III) comes from the paces number result of calculation in the next generator terminal (I) by Bluetooth receptions, and passes through paces
Count to calculate move distance, movement velocity and consumption calorie.
Move distance：Distance=paces number × per step pitch is from wherein per step pitch from according to user's height, body weight and every
Paces number is determined within two seconds.
Movement velocity：Speed=every two seconds paces numbers × every step pitch is from/2s
Consume calorie：Calorie wear rate formula during motion is：
Calorie 1 (C/2s)=speed × body weight/400
A calorie wear rate formula is during rest after motion：
2 (C/2s)=1 × body weight/1800 of calorie
Consume total calorie：
Total calorie (C)=1 × time of calorie 1+, 2 × time of calorie 2
Referring to Figure 13, the selection body-sensing interface of upper computer end (III) of the present invention is as shown in the figure.Interface display has selection
Bead game button and selection boxing game button.
Referring to Figure 14, the bead interface of upper computer end (III) of the present invention is as shown in the figure.Interface display have bead and on
The plank risen.
Referring to Figure 15 and Figure 16, the bead game function specific implementation of upper computer end (III) of the present invention is following [0106]
~[0110].
The present invention collects three axle gravity acceleration values by the axle gravitational accelerometer modules (300) of ADXL345 tri- to be used for
Game mode, game mode includes two kinds of different game.Game one, the quick ability of training, interface occurs one small
Ball and the polylith plank of similar stair arrangement, plank constantly rise, and bead will be moved left and right on plank and do not broken
The plank of the superiors is fallen, bead is dropped out outside plank, game over.Game is swung in control game screen by bracelet
The movement of bead and the rotation of plank, the rotation of the moving direction and plank of bead is judged by three axle gravity acceleration values of bracelet
Angle, user needs the amplitude and speed that control hand is swung well to continue to play.
A game picture control point is set to be used for receiving gravity acceleration value in screen, its abscissa is to work as remote holder
The half of machine screen width, ordinate is the half of current phone screen height.When hand is flapped toward right, X-axis gravity accelerates
Angle value is more than 0, and game picture control point abscissa increases, when hand is flapped toward left, and X-axis gravity acceleration value is less than 0, game
Picture control point abscissa is reduced.Abscissa increases and decrement is X-axis gravity acceleration value size.It is another in screen to set one
Painting canvas rotates control point, and its abscissa is the half of current phone screen width, and ordinate is then to adapt to screen size.In game
The animation of game role is drawn mainly to be completed by the two points.Shape between game picture control point and background rotation control point
Into angle be game background the anglec of rotation.The anglec of rotation of game background is controlled according to game picture control point and background rotation
Radian between system point is calculated.
Computational methods are:Angle=(Rad* (180/Math.PI)+90).
It is last call background rotation function can root put forward the anglec of rotation of background rotation realized to it.When bead ordinate
For 0, then it represents that game over.
Referring to Figure 16, anglec of rotation acquiring method is as shown in the figure.In the bead game function that the present invention has, background with it is small
Ball synchronous movement, can allow user more directly to experience game, the quick ability of training.Wherein the calculating of the background anglec of rotation is such as
, it is necessary to be calculated by radian shown in figure, calculation formula is as follows：The anglec of rotation=(radian × (180/ π)+90).
Referring to Figure 17, the boxing game interface of upper computer end (III) of the present invention is as shown in the figure.Interface display have powerful connections trees,
Background path and stone head-on.
Referring to Figure 18 and Figure 19, the boxing game function specific implementation of upper computer end (III) of the present invention is following [0113]
~[0115].
The present invention collects three axle gravity acceleration values by the axle gravitational accelerometer modules (300) of ADXL345 tri- to be used for
Game mode, game mode includes two kinds of different game.Game two, train strength, interface can continuously emerge head-on and
Carry out stone not of uniform size, carry out punch action by wearing the hand of bracelet, different stones need corresponding boxing strength to obtain
Smashed with realizing.Game is worth to by three axle acceleration of gravity waves arm state, passes through X-axis or Y-axis gravity acceleration value size
The measure of boxing strength is completed, correspondence determines whether to smash stone.
In the boxing game function having referring to Figure 18, the present invention, Z axis change is small when shaking one's fists, and X-axis and Y-axis are changed greatly,
Effectively boxing counting can be obtained by carrying out threshold determination by the acceleration magnitude of alternative one, be judged by further value range
It can determine whether stone is crashed to pieces.
Referring to Figure 19, three axle gravity acceleration value change curves are as shown in the figure.When user is static, 3-axis acceleration size
Keep relative stability.Horizontal X axle gravity acceleration value, Y-axis acceleration of gravity value stabilization are in 0~0.1m/s2, vertical Z axis gravity
Acceleration magnitude is stable in 1.00m/s2Left and right.When user shakes one's fists, Z axis gravity acceleration value remains at 0.89~1.05m/
s2, and the acceleration of gravity value changes basic synchronization of X-axis, Y-axis can undergo one and become big until more than 1m/s2, the mistake then fallen after rise
Journey, and because action is gentle when withdrawing, although a peak value also occurs in horizontal gravity acceleration magnitude, but not more than 1m/s2。
Therefore its peak ranges is taken as the foundation for judging whether to shake one's fists, in X-axis, Y-axis, if there is any one axle gravity acceleration value to exceed
1m/s2, judge to shake one's fists once.Meanwhile, 2m/s is set accordingly2, 4m/s2, 6m/s2... as required for smashing different stones
Force threshold, i.e. X-axis gravity acceleration value or Y-axis gravity acceleration value.
It is described above only express the present invention for various functions module innovation and it is integrated use, for this area
For those of ordinary skill, without departing from the inventive concept of the premise, some deformations can also be made and this enters, this is belonged to
Protection scope of the present invention.Therefore the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of Wearable multifunctinoal health bracelet system based on MSP430F5529, including one be arranged on bracelet it is many
Function health bracelet system bottom generator terminal (I), a communication ends (II) and a mobile phone are used as upper computer end (III), its feature
It is：The next generator terminal (I) of the multifunctinoal health bracelet system passes through communication ends (II) wireless communication connection upper computer end (III)；
The next generator terminal (I) of the multifunctinoal health bracelet system is a MSP430F5529 single-chip microcomputers central control module (100) connection one
Individual PULSESENSOR photoelectric sphygs module (200), the axle gravitational accelerometer modules (300) of ADXL345 tri-, four buttons
(401、402、403、404)；One BQ24230 power management module (600) and a SGM2019 Voltage stabilizing module (700)；Institute
It is a module of bluetooth 4.0 being connected with the MSP430F5529 single-chip microcomputers to state multifunctinoal health bracelet system communication ends (II)
(500)；Acquisition data module and signal processing system module are provided with the upper computer end (III), data are eventually displayed in
On upper computer end (III) interior APP (800)；Signal is provided with the MSP430F5529 single-chip microcomputers central control module (100) to adopt
Collecting system module and data transmission blocks.
2. Wearable multifunctinoal health bracelet system according to claim 1, it is characterised in that：The next generator terminal (I)
Single-chip microcomputer central control module (100) is structurally characterized in that from MSP430F5529's：Based on RISC16 mixed signal processing,
Possess super low-power consumption ULP frameworks, the CPU speed with highest 25MHz, internal high-speed memories, 128KB flash memories, 10KB RAM,
Abundant I/O port 63,4 16 general purpose timers, and equipped with timer, the integrated peripheral hardware of house dog；Additionally it contained many
Many communication interfaces：Up to 2 I2C and 4 SPI, 2 UART, a USB；Operating voltage is 1.8V to 3.6V；Its function is
For realizing that the signal acquisition and data of slave computer are sent.
3. Wearable multifunctinoal health bracelet system according to claim 1, it is characterised in that：The next generator terminal (I)
Photoelectric sphyg module (200) is PULSESENSOR from model, and it is structurally characterized in that：Supply voltage in 3V between 5V, diameter
, can be in ear-lobe and finger tip detection to pulse signal for 16mm, Modular surface has three connecting lines, two be used for connecing supply unit be
Its work is powered, and one is used as DOL Data Output Line；Its function is the collection for pulse wave signal, using green light LED and photoelectricity
Converter, the absorption by human body to infrared light surveys respiratory rate using photoplethysmographic graphical method.
4. Wearable multifunctinoal health bracelet system according to claim 1, it is characterised in that：The next generator terminal (I)
Three axle gravitational accelerometer modules (300) are ADXL345 from model, and it is structurally characterized in that：Supply voltage 2.0V ~ 3.6V it
Between, measurement range is ± 2G/ ± 4G/ ± 8G/ ± 16G；Its function is for the 3-axis acceleration collected to be carried out at algorithm
Reason, is obtained after step number by bluetooth serial ports communication outflow, and it is instruction to send data and received transmission with Bluetooth receptions termination and ordered；Will
The 3-axis acceleration that three axis accelerometer is collected, by delay, or by timer interruption, a number is sent every certain time
According to；Every group of Data Start supplies mobile phone terminal partition data using " 1 | " as mark, for somatic sensation television game part.
5. Wearable multifunctinoal health bracelet system according to claim 1, it is characterised in that：The next generator terminal (I)
Button module (401,402,403,404) is from four button accessories, and it is structurally characterized in that：Single-chip I/O mouth is connected to, it is circular
It is smooth easy to operate；Its function, which is wherein three, is used for the model selection of Wearable multifunctinoal health bracelet, and one of them is used to wear
Wear the power switch selection of formula multifunctinoal health bracelet.
6. Wearable multifunctinoal health bracelet system according to claim 1, it is characterised in that：The next generator terminal (I)
Power management module (600) is BQ2423032 from model, and it is structurally characterized in that：Supply voltage is between 4.35V ~ 26V；Its
Function is managed for the whole power supply to healthy bracelet.
7. Wearable multifunctinoal health bracelet system according to claim 1, it is characterised in that：The next generator terminal (I)
Voltage stabilizing module is from the SGM2019-3.3YN5G encapsulation SOT23-5 that model is SGM2019 (700) series, and it is structurally characterized in that：
Low output noise, possesses low voltage difference output voltage, overtemperature protection, output current is limited, 10nA logic controls are turned off, exportable many
Multiple features such as individual voltage and adjustable 1.2V ~ 5.0V outputs and fixed output；Its function is used to MSP430F5529
Single-chip microcomputer central control module, PULSESENSOR photoelectric sphygs module and the axle gravitational accelerometer modules of ADXL345 tri- are entered
Row voltage stabilizing is powered, and will not be damaged with protection module because of spread of voltage.
8. Wearable multifunctinoal health bracelet system according to claim 1, it is characterised in that：Communication ends (II) number
Model is selected to be the module of bluetooth 4.0 according to communication module (500), it is structurally characterized in that：Low-power consumption, handling capacity is smaller, peak point current
Less than 15mA, quiescent current is 4 μ A；Its function is to be used to send data to upper computer end, and data processing is carried out for it and is shown
Show.
9. Wearable multifunctinoal health bracelet system according to claim 1, it is characterised in that：The upper computer end (III)
Display data form is APP (800), and it is structurally characterized in that：APP programmings use JAVA language；Its function is to be presented three using APP
The selection interface and operation interface of the pattern of kind.
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