CN110477886A - The sensing node of blood oxygen and heart rate in wireless body area network - Google Patents

The sensing node of blood oxygen and heart rate in wireless body area network Download PDF

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Publication number
CN110477886A
CN110477886A CN201910864768.6A CN201910864768A CN110477886A CN 110477886 A CN110477886 A CN 110477886A CN 201910864768 A CN201910864768 A CN 201910864768A CN 110477886 A CN110477886 A CN 110477886A
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China
Prior art keywords
module
blood oxygen
heart rate
output end
detecting
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CN201910864768.6A
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Chinese (zh)
Inventor
曹天傲
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Harbin Institute of Technology
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Harbin Institute of Technology
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Priority to CN201910864768.6A priority Critical patent/CN110477886A/en
Publication of CN110477886A publication Critical patent/CN110477886A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0004Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases

Abstract

The sensing node of blood oxygen and heart rate in wireless body area network, is related to bio signal processing technique, for continuous, real-time quick detection and transmits wirelessly blood oxygen and heart rate value.Control module controls the transmitting light of probe source, and when detecting blood oxygen, the light of two kinds of wavelength of probe source alternate emission, when detecting heart rate, probe source emits the light of single wavelength;The light of probe source transmitting is transmitted through photodetector, the input terminal of the output end connection filter circuit of photodetector through tissue;When detecting blood oxygen, filter circuit exports blood oxygen signal to AD conversion module, when detecting heart rate, filter circuit exports heart rate signal to isolating amplifier circuit, isolating amplifier circuit, shaping circuit and counting module are sequentially connected, the output end of AD conversion module and the output end of counting module are all connected with the input terminal of computing module, and computing module, memory module and Wi-Fi module are sequentially connected.The present invention is suitable for measurement blood oxygen and heart rate.

Description

The sensing node of blood oxygen and heart rate in wireless body area network
Technical field
The present invention relates to bio signal processing techniques.
Background technique
Oxygen is the necessary material of metabolism, is the basis of life entity existence, and especially brain tissue oxygen demand is high, And it is especially sensitive to anoxic, short time anoxic is possible to cause the expendable damage of central nervous system.Therefore, to blood Oxygen content, which carries out continuous, real-time quick detection, becomes a Xiang Yaoqiu of biology.Meanwhile heart rate is also the important ginseng of human body Number, can detecte out body physiological state to the analysis of heart rate.Traditional blood drawing detection also results in certain pain to patient, When being measured in real time particularly with the elderly and children, existing method is obviously infeasible.
Summary of the invention
The purpose of the invention is to continuous, real-time quick detection and blood oxygen and heart rate value are transmitted wirelessly, to provide The sensing node of blood oxygen and heart rate in wireless body area network.
The sensing node of blood oxygen and heart rate in wireless body area network of the present invention, including detecting module, signal processing mould Block and single-chip microcontroller;
Detecting module includes probe source 1 and photodetector 2, and signal processing module includes filter circuit 3, isolation amplification Circuit 4 and shaping circuit 5, single-chip microcontroller include control module 6, AD conversion module 7, counting module 8, computing module 9, memory module 10 and Wi-Fi module 11;
Control module 6 controls the transmitting light of probe source 1, when detecting blood oxygen, 1 alternate emission two of probe source The light of kind wavelength, when detecting heart rate, probe source 1 emits the light of single wavelength;
The light that probe source 1 emits is transmitted through photodetector 2, the output end connection of photodetector 2 through tissue The input terminal of filter circuit 3;
When detecting blood oxygen, filter circuit 3 exports blood oxygen signal to AD conversion module 7, when detecting heart rate, filter circuit 3 export heart rate signal to isolating amplifier circuit 4, the input terminal of the output end connection shaping circuit 5 of isolating amplifier circuit 4, shaping The input terminal of the output end connection count module 8 of circuit 5, the output end of AD conversion module 7 and the output end of counting module 8 connect The input terminal of computing module 9 is connect, the blood oxygen levels of computing module 9 connect the input terminal of memory module 10 with heart rate value output end, deposit The input terminal of the output end connection Wi-Fi module 11 of module 10 is stored up, Wi-Fi module 11 sends blood oxygen levels and the heart to external equipment 12 Rate value.
Preferably, two kinds of wavelength that probe source 1 emits light are respectively 660nm and 940nm.
Preferably, computing module 9 calculates blood oxygen levels according to blood oxygen signal, specifically:
Wherein, SpO2For blood oxygen levels, IAC1Amplitude, I for 660nm AC portionDC1For the amplitude of 660nm direct current component, IAC2Amplitude, I for 940nm AC portionDC2For the amplitude of 940nm direct current component.
The blood oxygen saturation and heart rate of human body contain many important physiology and pathological information, especially with human body painstaking effort The relevant information of guard system is physical signs important in biomedical detection.Measurement method is the arteries and veins by detecting human body Wave fight to obtain specific value.The present invention is made into the sensing node in wireless body area network, real-time monitoring human health status And real-time display, reach prevention disease, the purpose treated in time is especially timely and rapid to the monitoring of chronic disease, for whole A mankind's rehabilitation project is of great significance.
The present invention controls probe source by single-chip microcontroller and issues detection light, after transmiting tissue, by photodetector institute It receives, completes optical signal to the conversion of electric signal, heart rate signal is after filtering, being isolated the operation of amplification and shaping, by counting Module is counted, and blood oxygen signal is converted to digital signal by AD conversion module, and computing module calculates blood oxygen levels and heart rate value, deposits Storage module storage blood oxygen levels and heart rate value are simultaneously sent to Wi-Fi module, are transferred on computer or cell phone application by Wi-Fi module It is shown.The present invention can be continuous, real-time quick detection blood oxygen and heart rate and externally send, use is easy and convenient, at low cost Honest and clean, near infrared light not will cause any damage to human body without any radiation.
Detailed description of the invention
Fig. 1 is the structural block diagram of the sensing node of blood oxygen and heart rate in wireless body area network described in specific embodiment;
Fig. 2 is the circuit diagram of the sensing node of blood oxygen and heart rate in wireless body area network described in specific embodiment;
Fig. 3 is the operational flowchart of the sensing node of blood oxygen and heart rate in wireless body area network described in specific embodiment.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art without making creative work it is obtained it is all its His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
In wireless body area network described in present embodiment at the sensing node of blood oxygen and heart rate, including detecting module, signal Manage module and single-chip microcontroller;
Detecting module includes probe source 1 and photodetector 2, and signal processing module includes filter circuit 3, isolation amplification Circuit 4 and shaping circuit 5, single-chip microcontroller include control module 6, AD conversion module 7, counting module 8, computing module 9, memory module 10 and Wi-Fi module 11;
Control module 6 controls the transmitting light of probe source 1, when detecting blood oxygen, 1 alternate emission two of probe source The light of kind wavelength, when detecting heart rate, probe source 1 emits the light of single wavelength;
The light that probe source 1 emits is transmitted through photodetector 2, the output end connection of photodetector 2 through tissue The input terminal of filter circuit 3;
When detecting blood oxygen, filter circuit 3 exports blood oxygen signal to AD conversion module 7, when detecting heart rate, filter circuit 3 export heart rate signal to isolating amplifier circuit 4, the input terminal of the output end connection shaping circuit 5 of isolating amplifier circuit 4, shaping The input terminal of the output end connection count module 8 of circuit 5, the output end of AD conversion module 7 and the output end of counting module 8 connect The input terminal of computing module 9 is connect, the blood oxygen levels of computing module 9 connect the input terminal of memory module 10 with heart rate value output end, deposit The input terminal of the output end connection Wi-Fi module 11 of module 10 is stored up, Wi-Fi module 11 sends blood oxygen levels and the heart to external equipment 12 Rate value.
In present embodiment, two kinds of wavelength that probe source 1 emits light are respectively 660nm and 940nm.
In present embodiment, the LED using CC3200 single-chip processor i/o mouth control probe source 1 makes its alternate emission 660nm Feux rouges and 940nm infrared light, place a finger on LED and 2 middle of photodetector, light made vertically to penetrate finger tip finally quilt Photodetector 2 is received, and obtained dual wavelength photoplethysmographic signal is faint change on the basis of stepped direct current signal The AC signal of change, amplitude of variation belong to a millivolt rank.By dual wavelength alternating current-direct current part after AD conversion module AD conversion Amplitude: the AC portion amplitude I of 660nmAC1, direct current component amplitude IDC1;The AC portion amplitude I of 940nmAC2, direct current component width Value IDC2It is sent into computing module 9, blood oxygen levels can be calculated using the empirical equation that amendment Lambert-Beer's law sums up, seen (public Formula 1):
This new Non-invasive detection technology of near infrared no-wound tissue detection technology is more humanized.Be based primarily upon infrared light with The principle of the interaction of tissue can be deep into tissue several centimetres when the light of IR regions is incident on human body, by In absorption and strong scattering effect by biological tissue's body, therefore, transmitted light can carry dampening information in a large amount of organizer, just The difference that can use its absorption line extracts these information, and obtains the useful information of organizer by analysis.
Moreover, currently, population aging is a kind of global development trend, population in the world aging and medical treatment cost Rise the anxiety for leading to world health health care infrastructure.Aging of population bring chronic disease, health care and old age The problems such as quality of life, has become significant challenge.Due to the exacerbation of Disease Spectrum, medical health system will be unable to provide enough Professional person attend to the patient.Simultaneously as the reason of convenient or cost, more and more people can not select hospital, and It wishes to obtain medical treatment help by wireless sensor network.Existing product is the measurement for realizing physiological parameter numerical value, is not had Measured value is further utilized, patient provides automatic therapy etc. with greater need for the prevention for carrying out next step according to measured value.
Wireless body area network (Wireless Body Area Network, WBAN) is attached to a kind of net with human body Network, by a set of small and exquisite removable, sensor node with communication function and body main website (or BAN coordinator) group At.These sensor nodes are wirelessly communicated, can guard closely the vital sign of user and provide feedback and The automatic therapy control of certain mode is provided, to help user to keep optimum health state.The sensing node of present embodiment can It is integrated into a Telemedicine System, and in case of emergency independently can send the data information in relation to patient health situation, The variation for constantly reminding medical staff alieni juris items physiological parameter, forms the intelligent medical treatment network of complete set.Therefore make to survey Amount equipment realizes that accurately and rapidly communication function is the key technology of wireless body area network, and present embodiment meets technical requirements.
Fig. 2 is the circuit diagram of the sensing node of blood oxygen and heart rate in wireless body area network, each portion of signal processing module Parallel circuit draws signal using contact pin, is convenient for measuring.R in figure is resistance, and C is capacitor, and the OPT in photodetector 2 is light Electric explorer part, model OPT101, the S1 in filter circuit 3 are mode conversion switch, the LM324 in isolating amplifier circuit 4 Amplify the model of operational amplifier for isolation, the LM311 in shaping circuit 5 is the model of integrated voltage comparator.
Experimental verification:
In order to verify the validity of the sensing node of blood oxygen and heart rate in the wireless body area network, and guarantee measurement result Accurately, need to carry out the consistency of control experiment confirmatory measurement result.Using this sensing node to three experimental subjects first, second, Third has carried out Oximetry under rest state, to verify the accuracy of present apparatus measurement.Experimental subjects is respectively as follows:
First: the male that the age is 22, height: 178cm, weight: 75kg, health;
Second: the male that the age is 48, height: 173cm, weight: 70kg, health;
Third: the women that the age is 22, height: 165cm, weight: 62kg, health.
Experimental result is shown in Table 1, using the measured value of standard medical instrument as standard.
1 human body blood oxygen saturation control experiment results of table
Experimental subjects Present apparatus measured value Canonical measure value Absolute error Relative error
First 97.5 97 0.5 0.56%
Second 98.6 99 0.4 0.40%
Third 96.3 96 0.3 0.31%
It is compared with standard results, show that error range within 0.6%, is met the requirements, it was demonstrated that the feasibility of the present apparatus.
In heart rate measurement, using this sensing node to three experimental subjects first, second, third under rest state, carry 3kg Pulses measure is carried out after weight and the 150m that hurries up, to verify the accuracy of pulse counting function.Experimental subjects is compareed with blood oxygen Experiment.Experimental result is shown in Table 2,3,4 respectively, using stethoscope measured value as standard.
2 resting heart rate control experiment results of table
Experimental subjects Present apparatus measured value Canonical measure value Absolute error Relative error
First 69 70 1 1.43%
Second 71 73 2 2.73%
Third 75 74 1 1.35%
Heart rate control experiment results after 3 carrying heavy goods of table
Experimental subjects Present apparatus measured value Canonical measure value Absolute error Relative error
First 96 97 1 1.03%
Second 84 82 2 2.44%
Third 101 100 1 1.00%
Table 4 hurry up after heart rate control experiment results
Experimental subjects Present apparatus measured value Canonical measure value Absolute error Relative error
First 147 145 2 1.37%
Second 124 126 2 1.56%
Third 153 156 3 1.92%
Compared with standard results, show that error range within 2.73%, is met the requirements, it was demonstrated that the present apparatus it is feasible Property.
Blood oxygen numerical value and HR values respectively obtain after there are in the memory module inside single-chip microcontroller, then pass through Wi-Fi mould Block transfers data in cell phone application.To unify port numbers and IP address with the present apparatus before the operation of this cell phone application.
In connection after Wi-Fi module network, corresponding port numbers and IP are obtained, and show in serial ports detection window Come, open this APP later, identical unified port numbers and IP address are inputted in operation interface, is then sent out to this measuring device The instruction of a login is sent, the instruction equally occurs in serial ports detection window, illustrates to log in effectively, APP is connected to development board The same channel Wi-Fi.Blood oxygen numerical value and HR values are immediately conveyed to cell phone application interface later, complete blood oxygen numerical value and Real-time, the efficient and accurate transmission of HR values, realizes the design and reality of blood oxygen and sensing heart rate node in wireless body area network It is existing.

Claims (3)

1. the sensing node of blood oxygen and heart rate in wireless body area network, which is characterized in that including detecting module, signal processing module and Single-chip microcontroller;
Detecting module includes probe source (1) and photodetector (2), and signal processing module includes filter circuit (3), is isolated and puts Big circuit (4) and shaping circuit (5), single-chip microcontroller include control module (6), AD conversion module (7), counting module (8), calculate mould Block (9), memory module (10) and Wi-Fi module (11);
Control module (6) controls the transmitting light of probe source (1), when detecting blood oxygen, probe source (1) alternate emission The light of two kinds of wavelength, when detecting heart rate, probe source (1) emits the light of single wavelength;
The light of probe source (1) transmitting is transmitted through photodetector (2) through tissue, and the output end of photodetector (2) connects Connect the input terminal of filter circuit (3);
When detecting blood oxygen, filter circuit (3) exports blood oxygen signal and gives AD conversion module (7), when detecting heart rate, filter circuit (3) it exports heart rate signal to give isolating amplifier circuit (4), the input of output end connection shaping circuit (5) of isolating amplifier circuit (4) End, the input terminal of the output end connection count module (8) of shaping circuit (5), the output end and counting module of AD conversion module (7) (8) output end is all connected with the input terminal of computing module (9), and the blood oxygen levels of computing module (9) are connected with heart rate value output end to be deposited Store up the input terminal of module (10), the input terminal of output end connection Wi-Fi module (11) of memory module (10), Wi-Fi module (11) blood oxygen levels and heart rate value are sent to external equipment (12).
2. the sensing node of blood oxygen and heart rate in wireless body area network according to claim 1, which is characterized in that probe source (1) emitting two kinds of wavelength of light is respectively 660nm and 940nm.
3. the sensing node of blood oxygen and heart rate in wireless body area network according to claim 2, which is characterized in that computing module (9) blood oxygen levels are calculated according to blood oxygen signal, specifically:
Wherein, SpO2For blood oxygen levels, IAC1Amplitude, I for 660nm AC portionDC1For the amplitude of 660nm direct current component, IAC2For The amplitude of 940nm AC portion, IDC2For the amplitude of 940nm direct current component.
CN201910864768.6A 2019-09-12 2019-09-12 The sensing node of blood oxygen and heart rate in wireless body area network Pending CN110477886A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203303060U (en) * 2013-04-09 2013-11-27 沈阳新松医疗科技股份有限公司 Wireless mini-type low-load blood oxygen pulse rate sensor for human body local area network
CN204246139U (en) * 2014-11-21 2015-04-08 天津大学 A kind of blood oxygen pulse detection system based on RFID
CN105167783A (en) * 2015-09-22 2015-12-23 上海交通大学 Blood oxygen monitoring module for intelligent mobile terminal
CN205585997U (en) * 2016-04-13 2016-09-21 哈尔滨理工大学 System for portable rhythm of heart real -time supervision
CN106510659A (en) * 2016-10-27 2017-03-22 北京雷致科技有限公司 Blood oxygen and heart rate measuring method, measuring device and measuring system
CN107126198A (en) * 2017-06-05 2017-09-05 河池学院 Wearable falls down detection device
CN108937957A (en) * 2018-06-05 2018-12-07 武汉久乐科技有限公司 Detection method, device and detection device
CN109044319A (en) * 2018-08-14 2018-12-21 华东师范大学 A kind of heart rate intelligent monitor system
CN209027538U (en) * 2018-11-21 2019-06-25 广州大学 A kind of Multifunctional pedometer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203303060U (en) * 2013-04-09 2013-11-27 沈阳新松医疗科技股份有限公司 Wireless mini-type low-load blood oxygen pulse rate sensor for human body local area network
CN204246139U (en) * 2014-11-21 2015-04-08 天津大学 A kind of blood oxygen pulse detection system based on RFID
CN105167783A (en) * 2015-09-22 2015-12-23 上海交通大学 Blood oxygen monitoring module for intelligent mobile terminal
CN205585997U (en) * 2016-04-13 2016-09-21 哈尔滨理工大学 System for portable rhythm of heart real -time supervision
CN106510659A (en) * 2016-10-27 2017-03-22 北京雷致科技有限公司 Blood oxygen and heart rate measuring method, measuring device and measuring system
CN107126198A (en) * 2017-06-05 2017-09-05 河池学院 Wearable falls down detection device
CN108937957A (en) * 2018-06-05 2018-12-07 武汉久乐科技有限公司 Detection method, device and detection device
CN109044319A (en) * 2018-08-14 2018-12-21 华东师范大学 A kind of heart rate intelligent monitor system
CN209027538U (en) * 2018-11-21 2019-06-25 广州大学 A kind of Multifunctional pedometer

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
LI ZHANG-JUNWANG CHENGZHU HAOJIN FANMA JUN-LING: "The research progress of non-invasive and continuous blood pressure measurement based on photoplethysmography", 《CHINESE JOURNAL OF BIOMEDICAL ENGINEERING》 *
刘丹 黄东 陈艳 高琼: "呼吸机三通连接管在肺灌洗中的应用价值及护理对策", 《现代中西医结合杂志》 *
廖晓玲 徐文峰 徐紫宸 等著: "《智造创想与应用开发研究》", 31 January 2019, 冶金工业出版社 *
樊启红,刘丹,刘梅.: "经皮血氧饱和度监测对新生儿先天性心脏病的早期诊断价值", 《中国优生与遗传杂志》 *

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