CN105286823B - Wearable self-powered multi-physiological-parameter monitoring device and monitoring method - Google Patents
Wearable self-powered multi-physiological-parameter monitoring device and monitoring method Download PDFInfo
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- CN105286823B CN105286823B CN201510670015.3A CN201510670015A CN105286823B CN 105286823 B CN105286823 B CN 105286823B CN 201510670015 A CN201510670015 A CN 201510670015A CN 105286823 B CN105286823 B CN 105286823B
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Abstract
The present invention relates to a kind of wearable self-powered multi-physiological-parameter monitoring device and monitoring method, device is made of waistband measuring unit, wrist strap measuring unit and smart mobile phone, human body respiration, the sound of snoring and pulse signal are monitored, converts thereof into and is transferred to smart mobile phone, storage, data processing, display and remote diagnosis after digital signal in a wireless form.Realize the real-time reception and the record of display and sleep state of the physiological parameters such as pulse, breathing and blood pressure；Under the conditions of using pressure cuff, continuously pulse, breathing and blood pressure these three physiological parameters dynamic are measured without compressing.Make user understand in real time oneself pulse, breathing, the physiological parameter such as blood pressure.Monitoring device is light, comfortable wearing, have the characteristics that cost it is low, it is easy production, monitor it is accurate, at the same time, the design of electricity generation module and charging circuit greatly improves the cruising ability of monitoring device, there is provided is not only suitable for hospital and is also applied for the personal wearable physiological compensation effects tape deck used for a long time.
Description
Technical field
The present invention relates to a kind of multi-physiological-parameter monitoring device, especially self-powered multi-physiological-parameter monitoring device and prison
Survey method, you can itself monitoring pulse, breathing, blood pressure and the sound of snoring, waveform and physiological parameter can be also sent to hospital/doctor into
Row remote diagnosis.
Background technology
Pulse, breathing and blood pressure are the important vital signs of human body, the information such as its intensity, form and speed for presenting,
It can show the integrated information of the health aspects such as physiology, the state of mind and the physical level of a people.Studies have shown that is long-term
Poor quality of sleep can cause it is neuroendocrine stress regulator control system be activated and gradually exhaustion and occur to adjust disorderly, body
All kinds of metabolites cannot excrete in time, immune function substantially reduces and fatigue and weak etc., can not only influence to work normally
Study, can cause whole body multisystem, the gradual harm of multiple organ, or even sudden death when serious.Thus, to human pulse, breathing, blood
The monitoring of pressure and the sound of snoring is particularly significant.By the monitoring to human pulse, breathing, blood pressure and the sound of snoring, can find in time and pre-
The lesion at the positions such as anti-respiratory tract, lung and angiocarpy is abnormal to health such as to sleep apnea syndrome, artery
Hardening, hypertension and thin vascular diseases have certain monitoring and warning effect, be clinically diagnose the illness, observe therapeutic effect and into
The important evidence of row Index for diagnosis.Have in addition, breathing and beat pulse monitoring are one kind that motion monitoring and Depth of sleep monitor
Efficacious prescriptions method.
Research of the tradition to human pulse monitoring mainly has：TCM pulse diagnosis and the monitoring of finger photo projection-type.TCM pulse diagnosis
There are human factor, has uncertainty, needs medical worker's prolonged exercise to put into practice, and photoelectricity transmission-type limits finger freedom
Activity.
Tradition has the primary metering method of human body respiration signal：Cause nasal cavity periphery temperature by monitoring human body respiration air-flow
The monitoring to human body respiration signal is realized in degree change；To determine using there is certain correspondence between Body surface impedance and Pulmonary volume
The impedance type monitoring of respiration method of amount ground measurement breathing；Breath signal is extracted by electrocardiosignal.Also have using planar structure at present
Piezoelectric membrane monitors the research of human body respiration.However, mouth and nose air-flow monitoring method, which exists, wears the drawbacks of inconvenient；Impedance type is exhaled
It is not only more demanding to electrode to inhale monitoring, can also be disturbed because of blood flow aroused in interest and cause detected value to be not easy to determine problem；Electrocardioelectrode is grown
Time wearing can cause patient skin allergy；The piezoelectric membrane of planar structure surveys breathing, and signal adulterates noise, and range value is unknown
Aobvious, effect is unsatisfactory.
Conventional body's blood pressure measurement is divided into the direct method of measurement and the indirect method of measurement.The direct method of measurement, also known as arterial cannulation
Method, is that the conduit for connecting peculiar pressure sensor is inserted directly into main artery or heart detection blood pressure signal to obtain pressure value.
The result that this method obtains is the most accurate, but this method needs to prepare for a long time, has certain wound, and add many examples
The danger that such as infection, bleeding, thrombus and embolism complication occur, therefore this method application is not extensive, is only applicable to critical
The rescue of patient and major operation patient.The indirect method of measurement, is analyzed frequently with correlated characteristic signal and obtains pressure value, such as logical
Blood flow is crossed to reflect blood pressure, i.e. clinically described noninvasive arterial pressure measurement.The method of non-invasive blood pressure measurement mainly has auscultation
Method, oscillographic method, angiosthenia method and volume-compensation method etc..Wherein, the sphygmomanometer of oscillographic method is most commonly based on the market.But
Such sphygmomanometer usually using inflation cuff, can produce discomfort, the blowing pressure can also be influenced to the stimulation that measured brings
Blood pressure measurement, and due to the influence of inflationtime, it is impossible to realize that the continuous of blood pressure is measured without compressing.
Monitoring of the tradition to the human body sound of snoring mainly utilizes lung ventilator or microphone, it is a part for sleep monitor.But
Lung ventilator volume is big, costly and complicated, is unsuitable for popularizing；And microphone apparatus is identified mainly by audio signal,
Signal is easily interfered, and is not easy to judge the mechanism of snoring.
CN104000567 is disclosed " a kind of portable multiple spot monitoring of pulse system ".The system by it is no addition spring or
The piezoelectric membrane of elastic substrate measures the multiple spot pulse in a region directly as pulse transducer.Do not add spring
Or the piezoelectric film sensor sensitivity of elastic substrate is not high, while multiple sensors are concentrated on into the same area and are not located
Reason, obtained signal can interfere with each other, and influence using effect.
CN102100558 is disclosed " a kind of wireless respiration monitoring device ".The system serves as a contrast no addition spring or elasticity
The piezoelectric membrane at bottom obtains human body respiration signal directly as respiration transducer using pneumography.Also without addition
The piezoelectric film sensor sensitivity of spring or elastic substrate is not high.
CN1698536 discloses " a kind of using compensate automatically without cuff type continuous BP measurement method ".This method is led to
Measurement and the relevant characteristic quantity of pulse wave of measured are crossed, determines the first factor parameter influential on the characteristic quantity；Determine
Because of the second factor parameter that the physiological activity of measured changes and is impacted to the blood pressure of measured；Based on the characteristic quantity,
By the use of the first and second factors parameter as compensation rate, the arterial pressure of measured is determined.This method will be to various factors
Change and caused by blood pressure measurement error compensate, but can not also realize and the continuous of measured's blood pressure is measured by shooting, and
And trimming process is cumbersome, accuracy is not also high.
CN104173036 discloses " a kind of pulse wave harvester, non-invasive blood pressure continuously by shooting measuring system and method ".
Wirelessly it is connected system that employs hemodynamic detection analysis instrument with pulse wave harvester, obtains pulse wave and adopt
The brachial pulse ripple signal and radial artery pulse wave signal that acquisition means collect carry out calculating analysis, carry out continuous noninvasive by shooting
Blood pressure measurement.The shortcomings that this method solve non-invasive blood pressure measuring apparatus in the prior art and cumbersome method measurement, still
Analytical instrument hemodynamic detection analysis instrument in the system of design is bulky not readily portable.
CN104739413 is disclosed " a kind of sound of snoring detection method and system ".The snore acoustic monitoring system, in going out for lung ventilator
Breath signal is persistently detected at gas port；Breathing vibration threshold is obtained according to the Oscillation Amplitude value for the breath signal being continuously detected
Value；When the Oscillation Amplitude value for the breath signal that the last time detects is more than the breathing vibration threshold value, described in identification
There occurs the sound of snoring for the breathing corresponding to breath signal that the last time detects.This method be unable to do without breathing machine equipment, volume
It is huge, be not suitable for family's monitoring and use.
Wearable parameter monitoring system is to blend the clothing of vital signs information monitoring technology and the daily wearing of people,
It is set to realize the acquisition of vital signs information in its natural state, it is a kind of monitoring technology of safe low physiological load.In
State patent 201520257378X is provided " a kind of wireless breathing, pulse monitoring device ".Using with special construction elastic base
Piezoelectric film sensor and flexible circuit, improve sensitivity and the convenience of sensor, device can be wirelessly transferred, can be long-range
Access, there is abnormal signal warning function, available for the monitoring of sleep Apnea Syndrome syndrome, motion monitoring and Depth of sleep etc.
Monitoring.But it is small in order to realize, light-weight, easy to carry wait requires and sacrifices the capacity of battery, it is impossible to realizes length
Temporally use, be unfavorable for daily monitoring.
Therefore, to meet the daily and medical monitoring needs of wearer, it is necessary to which to research and develop a kind of easy to carry and measurement accurate
Pulse, breathing, blood pressure and sound of snoring monitoring device, it not only has high battery capacity and low-power consumption, should also possess a kind of spontaneous
Electric module effectively lifts the cruising ability of wearable monitoring device.
The content of the invention
The purpose of the present invention is that provides a kind of wearable self-powered more physiology ginsengs in view of the above shortcomings of the prior art
Number monitoring device；
It is a further object of the present invention to provide a kind of wearable self-powered multi-physiological-parameter monitoring device monitoring Human Physiology
The method of parameter.
The purpose of the present invention is what is be achieved through the following technical solutions, it is described with reference to the drawings as follows：
Wearable self-powered multi-physiological-parameter monitoring device, by waistband measuring unit 1, wrist strap measuring unit 2 and intelligent hand
Machine 3 forms, and the waistband measuring unit 1 and wrist strap measuring unit 2 are lain at human body waist, chest and wrist respectively, for supervising
Survey human body respiration, the sound of snoring and pulse signal, convert thereof into after digital signal be transferred in a wireless form smart mobile phone 3 receive,
Storage, data processing, display and long-range output；
Waistband electricity generation module and wrist strap electricity generation module are equipped with the waistband measuring unit 1 and wrist strap measuring unit 2, is
Waistband measuring unit 1 and wrist strap measuring unit 2 are powered；
Wherein, the waistband electricity generation module is made of more than one group waistband PVDF piezoelectric film sensor 7, waistband
PVDF piezoelectric film sensors 7 are connected in parallel using conductive fabric assembly a8 and conductive fabric assembly b9 as lead, waistband hair
Electric module is powered by charging circuit 27 to battery module 28；
The wrist strap electricity generation module is made of a piece of above PVDF thin film 13, and every 13 one end of PVDF thin film is embedded in wrist
Take the lead to fix in the empty slot 20 in 11 rubber shells, other end suspended mass 12, PVDF thin film 13 is connected in parallel, wrist strap hair
Electric module is powered by charging circuit 27 to battery module 28.
The waistband measuring unit 1 includes waistband 10 and the belt buckle 5 for being fixed on its end；Belt buckle 5 is rubber shell,
Buckle and waistband operating switch 4 are which is provided with, signal processing circuit 26, charging circuit 27 and battery mould are packaged with rubber shell
Block 28；Waistband 10 be equipped with single group waistband PVDF piezoelectric film sensors 7, conductive fabric assembly a8, conductive fabric assembly b9 and
Waistband electricity generation module；Single group waistband PVDF piezoelectric film sensors 7 are connected by lead with the input terminal of signal processing circuit 26.
The wrist strap measuring unit 2 includes wrist strap 15 and the wrist strap first 11 for being fixed on its end；The wrist strap first 11 is rubber
Glue housing, which is provided with buckle, module work light 17, wrist strap operating switch 18 and module battery capacity indication lamp 19, rubber jar
It is packaged with signal processing circuit 26, charging circuit 27, battery module 28 and wrist strap electricity generation module in vivo；The outside of wrist strap 15 is cased with wrist
With elastic regulation ring 14, two groups of wrist strap PVDF piezoelectric film sensors 16 are parallel to be encapsulated in the elastic regulation ring 14 of wrist strap, and is led to
The input terminal that lead is crossed with signal processing circuit 26 is connected.
The signal processing circuit 26 uses flexible PCB, is through voltage amplification unit, low pass by electric charge amplifying unit
Filter unit, voltage lifting circuit, A/D conversions and microcontroller and bluetooth module connect and compose.
The waistband PVDF piezoelectric film sensor 7 is by the elastic base with two-sided bow structure and is affixed on elastic base both sides
Two panels PVDF piezoelectric membranes a21 compositions connected in parallel, the elastic base of two-sided bow-shaped structural is by two arch plastics 22 and folder
Sponge 23 wherein is formed.
The wrist strap PVDF piezoelectric film sensor 16 is by the elastic base 24 with hollow arch thin-wall construction and is close to
The piezoelectric membrane b25 of PVDF on the inside of it is formed.
The method of wearable self-powered multi-physiological-parameter monitoring device monitoring human body physiological parameter, comprises the following steps：
A, waistband measuring unit 1 and wrist strap measuring unit 2 are placed on the body of monitored person；
B, bluetooth is driven to establish connection；
C, data are received；
D, data store；
E, trial parameter is calculated；
F, display waveform and physiological parameter, if long-range connectionIt is；
G, long-range connection；
H, data are sent, are sent completely；
I, receive remote diagnostic information and show；
J, exit.
Beneficial effect：The monitor device using smart mobile phone as platform is provided, realizes the physiology such as pulse, breathing and blood pressure
The real-time reception of parameter and display and the record of sleep state；The real time kinematics state of user is known automatically by smart mobile phone
Not, classification storage, signal waveform show, abnormal physiology signal identification and long-range connection.Pressure cuff need not used
Under the conditions of, it is continuous without the dynamic measurement oppressively realized to pulse, breathing and blood pressure these three important physiological parameters and record.
Make user understand in real time oneself pulse, breathing, the physiological parameter such as blood pressure.Monitoring device is light, comfortable wearing, has cost
Low, easy production, monitor the characteristics of accurate, meanwhile, the design of electricity generation module and charging circuit greatly improves the continuous of monitoring device
Boat ability, there is provided be not only suitable for hospital and be also applied for the personal wearable physiological compensation effects tape deck used for a long time.
Brief description of the drawings
Fig. 1 is wearable self-powered multi-physiological-parameter monitoring device and communication schematic diagram；
Fig. 2 is waistband measuring unit structure chart in Fig. 1；
Fig. 3 is wrist strap measuring unit usage state diagram in Fig. 1；
Fig. 4 is wrist strap measuring unit structure chart in Fig. 1；
Fig. 5 is the structure chart of PVDF piezoelectric film sensors in waistband measuring unit in Fig. 2；
Fig. 6 is the structure chart of PVDF piezoelectric film sensors in wrist strap measuring unit in Fig. 3；
Fig. 7 is the signal processing circuit flow chart of wearable self-powered multi-physiological-parameter monitoring device；
Fig. 8 is the circuit diagram of electric charge amplifying unit in signal processing circuit in Fig. 7；
Fig. 9 is the circuit diagram of voltage amplification unit in signal processing circuit in Fig. 7；
Figure 10 is the circuit diagram of low-pass filter unit in signal processing circuit in Fig. 7；
Figure 11 is the circuit diagram of voltage lifting unit in signal processing circuit in Fig. 7；
Figure 12 is the charging circuit flow chart of wearable self-powered multi-physiological-parameter monitoring device；
Figure 13 is the circuit diagram that electrical chip storage electric energy is rushed using TP4056 lithium batteries；
Figure 14 is the state recognition algorithm decision flow diagram of wearable self-powered multi-physiological-parameter monitoring device；
Figure 15 is the electric quantity display circuit figure of wearable self-powered multi-physiological-parameter monitoring device；
Figure 16 monitors human body physiological parameter flow chart for wearable self-powered multi-physiological-parameter monitoring device.
In figure, 1. waistband measuring unit, 2. wrist strap measuring unit, 3. smart mobile phone, 4. waistband operating switch, 5. belt buckle
6. 8. conductive fabric assembly a of the elastic 7. waistband PVDF piezoelectric film sensors of regulation ring of waistband, 9. conductive fabric assembly b 10.
Elastic 15. wrist strap of regulation ring, the 16. wrist strap PVDF pressures of first 12. mass block 13.PVDF films, 14. wrist strap of 11. wrist strap of waistband
19. module battery capacity indication lamp of conductive film sensor 17. module work light, 18. wrist strap operating switch, 20. empty slot
The elastic base 25.PVDF pressures of 22. arch plastics of 21.PVDF piezoelectric membranes a, 23. sponge, 24. hollow arch thin-wall construction
28. battery module of conductive film b 26. signal processing circuit, 27. charging circuits, 29. bluetooth module
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, but the present invention is not limited thereto：
As shown in Figure 1, wearable self-powered multi-physiological-parameter monitoring device is by waistband measuring unit 1, wrist strap measuring unit 2
Formed with smart mobile phone 3.
Waistband measuring unit 1 will be multigroup thin as the waistband PVDF piezoelectricity of elastic substrate with " two-sided arcuate " spring structure
7 parallel connection of film sensors is mounted on waistband 10, using piezoelectric principle, is caught human body and the shape such as is snored when breathing, sleep when clear-headed
The deformation of state pectus and belly, obtains sound of snoring signal when human body respiration signal and sleep；
Wrist strap measuring unit 2 is thin as the wrist strap PVDF piezoelectricity of elastic substrate with " dome thin shell " spring structure using two groups
Film sensors 16 are mounted on wrist strap 15, and using piezoelectric principle, skin surface small vibration when catching human pulse bounce, is obtained
Obtain human pulse signal such as Fig. 1.
Meanwhile the electricity generation module inside waistband measuring unit 1 and wrist strap measuring unit 2 " can swing arm fortune with human body
It is dynamic " and " respiratory movement " carry out power generation for system use.Measuring unit (is not got the bid by respective signal processing circuit 26 in figure
Go out) filtering is further amplified in the physiological signal of acquisition and is converted into digital signal, (do not got the bid using bluetooth module 29 in figure
Go out) data are transferred to smart mobile phone 3 in a wireless form, smart mobile phone 3 is by the breath signal received, pulse signal and sleep
The data of sound of snoring signal are tentatively stored under state, are calculated blood pressure using pulse wave translation time, are carried out at the same time other numbers
Value calculates.Then will breathing, pulse wave and blood pressure, respiratory rate, pulse frequency, sleep state progress real-time display.And utilize summary
The moving state identification algorithm that " different motion state pectus and abdominal respiration signal geometric properties difference " is realized, automatically to making
The real time kinematics state of user is identified, and the physiologic information of acquisition is carried out classification storage by motion state.Finally by correlation
Data are sent to Telemedicine center by the communication of GPRS, receive the generality diagnosis that service centre passes back
As a result.
As shown in Fig. 2, waistband measuring unit 1 has waistband of " two-sided arcuate " spring structure as elastic substrate using multigroup
7 parallel connection of PVDF piezoelectric film sensors is mounted on waistband 10.Human body is when clear-headed when breathing, sleep under the state such as snoring, chest
Volume change can occur for abdominal cavity, and waistband 10, which can deform upon, makes waistband PVDF piezoelectric film sensors 7 thereon bend, restore,
Constantly produce electric charge.One group of waistband PVDF piezoelectric film sensor 7 is connected to 26 input terminal of signal processing circuit by lead,
The sound of snoring signal under human body respiration signal and sleep state can be obtained into after handling excessively；Remaining five groups of waistband PVDF piezoelectric membrane
Sensor 7 is connected in parallel, and as the electricity generation module of waistband measuring unit 1, passes through conductive fabric assembly a8 and conductive fabric assembly
B9 collects the electric charge that they are produced, and passes through the battery module 28 that charging circuit 27 (not marked in figure) is waistband measuring unit 1
Charging, the cruising ability of lifting waistband measuring unit 1.Wherein, waistband 10 is double-decker, and conductive fabric assembly a8 and conduction are knitted
Thing assembly b9 is used as the positive negative conductor of multigroup PVDF piezoelectric film sensors, waistband PVDF piezoelectric film sensors 7, conduction
Fabric assembly a8 and conductive fabric assembly b9 are fixed in the interlayer of waistband 10 with glue.
Signal processing circuit 26, charging circuit 27 and battery module 28 (not marked in the figure) envelope of waistband measuring unit 1
In belt buckle 5 made of medical grade rubber material, waistband 10 itself uses elastic woven material or leather.Belt buckle 5 is equipped with buckle,
Length can be adjusted using the elastic regulation ring 6 of waistband as needed, cosily tie up to chest and belly.Because there is clothing when waistband is worn
Thing blocks, so and be not provided with work light, waistband operating switch 4 is only provided with belt buckle 5.
As Figure 3-Figure 4, the top of wrist strap PVDF piezoelectric film sensors 16 is butted on wrist pulse side, two groups of wrist straps
In the wrist strap elastic regulation ring 14 arranged in parallel for being encapsulated in wrist strap 15 of PVDF piezoelectric film sensors 16, it can flexibly move and find arteries and veins
Fight obvious region.The spring structure of the sensor has a good transmission force property, the PVDF piezoelectric membranes on the inside of spring hollow base
B25 is with beat pulse repeated deformation so as to produce electric charge.Wrist strap PVDF piezoelectric film sensors 16 are connected to signal by lead
The input terminal of process circuit 26, human pulse signal can be obtained into after crossing processing.
To improve the cruising ability of wrist strap measuring unit 2, seven 13 one end of PVDF thin film are fixed in 15 inside of wrist strap,
In the empty slot 20 reserved in hanging embedded first 11 rubber shell of wrist strap, 13 free end suspended mass 12 of PVDF thin film and by it
Be connected in parallel, form the electricity generation module based on piezoelectric principle.Arm naturally droops when human body is stood, the PVDF inside wrist strap 15
Film 13 and the mass block 12 that is suspended over are into " pendulum " shape.Wherein, suspended mass is to strengthen inertia, human motion
When (exemplified by walking upright), arm nature reciprocally swinging, the PVDF thin film 13 of suspended mass 12 can be past with arms swing
Multiple bending, constantly produces electric charge, is charged by charging circuit 27 for the battery module 28 of wrist strap measuring unit 2.
Signal processing circuit 26, charging circuit 27 and the battery module 28 of wrist strap measuring unit 2 are encapsulated in medical grade rubber material
In wrist strap made of material first 11, wrist strap 15 itself uses elastic woven material or leather.Wrist strap first 11 is equipped with buckle, can adjust as needed
Length is saved, cosily ties up to wrist.Wrist strap first 11 is equipped with wrist strap operating switch 18, module work light 17 and module electricity
Indicator light 19.
As shown in figure 5, " two-sided arcuate " spring used in waistband measuring unit 1 is by two arch plastics 22 staggered relatively
Formed with sponge 23 therein is clipped in, using it as elastic substrate, two panels PVDF piezoelectric membranes a21 is affixed on the parallel connection of spring both sides
Connection forms one group of waistband PVDF piezoelectric film sensor 7.
As shown in fig. 6, " dome thin shell " spring structure used in wrist strap measuring unit 2, by arched elastic rubber thin-walled and
Hollow base is formed.The inner side of hollow base 24 that PVDF piezoelectric membranes b25 is close to spring forms one group of wrist strap together with spring
PVDF piezoelectric film sensors 16.
As shown in Fig. 7-Figure 11, waistband measuring unit 1 is identical with 26 structure of signal processing circuit of wrist strap measuring unit 2,
Include respectively：Electric charge amplifying unit, voltage amplification unit, low-pass filter unit, voltage follow unit and voltage lifting unit, electricity
The charge signal that lotus amplifying unit obtains waistband PVDF piezoelectric film sensors 7 or wrist strap PVDF piezoelectric film sensors 16
Voltage signal is changed into, then voltage amplification unit amplifies voltage signal, and then filtering out voltage by low-pass filter unit believes
It is higher than the irrelevant signal of 10HZ in number, then connects notch filter unit and filter out the interference of 50HZ power frequency components, then pass through electricity again
Pressure follows unit to further improve the load capacity of circuit, and last voltage lifting unit is then to make the signal be voltage signal lifting
Just to carry out ensuing analog-to-digital conversion, last microcontroller changes into analog signal after digital signal by bluetooth mould
Block 29 sends a signal to smart mobile phone 3.
As shown in Figure 12-Figure 13, Figure 15, due to cannot be guaranteed 15 respective electricity generation module of waistband 10 and wrist strap in routine use
The electric energy equalization stable of generation, therefore using ME2100A50/C50 boosting voltage stabilizing chip circuits, the electric energy of generation is adjusted
Section, exports stable charging current and charging voltage.At the same time in order to ensure that user persistently uses, rushed using TP4056 lithium batteries
Electrical chip circuit is by the power storage after voltage stabilizing of boosting in battery module 28.At the same time for intuitively Electricity Federation is deposited in reflection lithium battery
Storage situation, shows battery capacity using Simple module electricity display lamp 19, makes user in use, can intuitively know
Know information about power.
The data receiver of sound of snoring signal and aobvious is realized under breath signal, pulse signal and sleep state using smart mobile phone 3
Show, the numerical computations of the physiological parameter such as respiratory rate, pulse frequency, blood pressure.It is synchronous using two groups of wrist strap PVDF piezoelectric film sensors 16
The pulse wave translation time and the linear model relation of blood pressure that the signal of collection calculates carry out the Fitting Calculation blood pressure.Smart mobile phone at the same time
3 automatically can be identified the real time kinematics state of user using state recognition algorithm, by the physiologic information of acquisition by fortune
Dynamic state carries out classification storage.
As shown in figure 14, using the chest and abdomen respiratory waveform signal period difference of acquisition, the Wave crest and wave trough numerical value difference of signal,
Signal energy strength difference etc. is as the foundation for carrying out operating state judgement.First Rotating fields, which first pass through, takes the method for variance to exhale
Suction signal is contrasted according to energy intensity and sleep is identified, do not moved and motion state.Second layer structure extraction is superimposed upon breathing
In the cycle that motion artifacts change on signal, thus further discriminate between to the motion state such as walking, running.Finally extract experimenter's difference shape
Chest and abdomen breath signal under state carries out the crest value and valley value in each cycle after medium filtering, by the multiple cycle ripples of two kinds of signals
The difference average value of spike valley is distinguished standing, is sat and the state such as lie as judgement symbol.
Related data is sent to Telemedicine center by last smart mobile phone 3 by the communication of GPRS,
Receive the generality diagnostic result that service centre passes back at the same time.
As shown in figure 16, wearable self-powered multi-physiological-parameter monitoring device monitoring human body physiological parameter method, including with
Lower order and step：
A, waistband measuring unit 1 and wrist strap measuring unit 2 are placed on the body of monitored person；Acquisition is used alone or in combination
Sound of snoring signal under chest and abdomen breath data, pulse data and sleep state；
B, bluetooth is driven to establish connection：Utilize the RFCOMM protocol layers in the Android bluetooth protocol repertories in smart mobile phone 3
Realize the communication with bluetooth module 29 in measuring unit 1 and wrist strap measuring unit 2；
C, data are received：Receive the sound of snoring signal under chest and abdomen breath data, pulse data and sleep state；
D, data store：It is stored in after data are filtered processing in the RAM card of smart mobile phone 3；
E, trial parameter is calculated：The aobvious of real-time waveform is realized first with the AndroidPlot charts storehouse in smart mobile phone 3
Show, then real-time pulse frequency and respiratory rate are obtained using spike detection method processing Wave data；
F, display waveform and physiological parameter, real-time blood is obtained by the fitting of the linear relationship of pulse wave translation time and blood pressure
Pressure value, and data in smart mobile phone 3 are compared with user movement condition adjudgement standard in database and judge that user is real-time
Motion state, is shown on the screen of smart mobile phone 3 after carrying out classification storage to data by different motion states；
Whether remotely connectIt is；
G, long-range connection；
H, data are sent, are sent completely；
I, receive remote diagnostic information and show；It is sent to by the communication of GPRS in Telemedicine
The heart, while receive the generality diagnostic result that service centre passes back.
J, exit.
Smart mobile phone 3 is established by bluetooth module 29 and waistband measuring unit 1 and wrist strap measuring unit 2 and connected, and receives chest
Sound of snoring signal under abdominal respiration data, pulse data and sleep state.Then by received data storage to smart mobile phone 3
In interior RAM card.Data are read out from the file stored up in program, processing are filtered to initial data, drafting is exhaled
Waveform and pulse waveform are inhaled, shows sleep state.By carrying out parameter extraction, meter to chest and abdomen breath data and pulse data
The physiological parameters such as respiratory rate, pulse frequency oxygen and blood pressure are calculated, and result of calculation is included on mobile phone screen.Utilize state recognition algorithm
Automatically the real time kinematics state of user can be identified, the physiological parameter calculated is carried out classification by motion state deposits
Storage.And Telemedicine center is sent to GPRS communications, while receive the generality that service centre passes back and examine
Disconnected result.
Claims (6)
1. a kind of wearable self-powered multi-physiological-parameter monitoring device, by waistband measuring unit (1), wrist strap measuring unit (2) and
Smart mobile phone (3) forms, and the waistband measuring unit (1) and wrist strap measuring unit (2) lie in human body waist, chest and hand respectively
At wrist, for monitoring human body respiration, the sound of snoring and pulse signal, intelligence is transferred in a wireless form after converting thereof into digital signal
Mobile phone (3) reception, storage, data processing, display and long-range output, it is characterised in that：
Waistband electricity generation module and wrist strap electricity generation module are equipped with the waistband measuring unit (1) and wrist strap measuring unit (2), is
Waistband measuring unit (1) and wrist strap measuring unit (2) power supply；
The waistband electricity generation module is made of more than one group waistband PVDF piezoelectric film sensor (7), waistband PVDF piezoelectricity
Thin film sensor (7) is connected in parallel using conductive fabric assembly a (8) and conductive fabric assembly b (9) as lead, belt buckle power generation
Module is powered by charging circuit (27) to battery module (28)；
The wrist strap electricity generation module is made of a piece of above PVDF thin film (13), and every PVDF thin film (13) one end is embedded in wrist
To take the lead to fix in the empty slot (20) in (11) rubber shell, other end suspended mass (12), PVDF thin film (13) is connected in parallel,
Wrist strap head electricity generation module is powered by charging circuit (27) to battery module (28)；
Wherein, wrist strap measuring unit (2) includes wrist strap (15) and the wrist strap head (11) for being fixed on its end；The wrist strap head (11)
For rubber shell, buckle, module work light (17), wrist strap operating switch (18) and module battery capacity indication lamp which is provided with
(19), signal processing circuit (26), charging circuit (27), battery module (28) and wrist strap power generation mould are packaged with rubber shell
Block；The elastic regulation ring of wrist strap (14), the parallel encapsulation of two groups of wrist strap PVDF piezoelectric film sensors (16) are cased with the outside of wrist strap (15)
In the elastic regulation ring of wrist strap (14), and it is connected by lead with the input terminal of signal processing circuit (26).
A kind of 2. wearable self-powered multi-physiological-parameter monitoring device according to claim 1, it is characterised in that：The waist
Include waistband (10) and the belt buckle (5) for being fixed on its end with measuring unit (1)；Belt buckle (5) is rubber shell, is set thereon
There are buckle and waistband operating switch (4), signal processing circuit (26), charging circuit (27) and battery mould are packaged with rubber shell
Block (28)；Waistband (10) is equipped with single group waistband PVDF piezoelectric film sensors (7), conductive fabric assembly a (8), conductive fabric
Assembly b (9) and waistband electricity generation module；Single group waistband PVDF piezoelectric film sensors (7) pass through lead and signal processing circuit
(26) input terminal is connected.
A kind of 3. wearable self-powered multi-physiological-parameter monitoring device according to claim 2, it is characterised in that：At signal
Reason circuit (26) uses flexible PCB, is through voltage amplification unit, low-pass filter unit, voltage lifting by electric charge amplifying unit
Circuit, A/D conversions and microcontroller and bluetooth module connect and compose.
A kind of 4. wearable self-powered multi-physiological-parameter monitoring device according to claim 2, it is characterised in that：Waistband
PVDF piezoelectric film sensor (7) is by the elastic base with two-sided bow structure and is affixed on elastic base both sides two panels connected in parallel
PVDF piezoelectric membranes a (21) is formed, and the elastic base of two-sided bow-shaped structural by two arch plastics (22) and is clipped in sea therein
Continuous (23) are formed.
A kind of 5. wearable self-powered multi-physiological-parameter monitoring device according to claim 1, it is characterised in that：Wrist strap
PVDF piezoelectric film sensor (16) is by with the elastic base (24) of hollow arch thin-wall construction and the PVDF being close on the inside of it
Piezoelectric membrane b (25) form.
6. the method for wearable self-powered multi-physiological-parameter monitoring device monitoring human body physiological parameter as claimed in claim 1,
It is characterised in that it includes following order and step：
A, waistband measuring unit (1) and wrist strap measuring unit (2) are placed on the body of monitored person；
B, bluetooth is driven to establish connection；
C, data are received；
D, data store；
E, trial parameter is calculated；
F, display waveform and physiological parameter, if long-range connectionIt is；
G, long-range connection；
H, data are sent, are sent completely；
I, receive remote diagnostic information and show；
J, exit.
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| CN105286823B true CN105286823B (en) | 2018-05-04 |
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