CN107174220A - Multi-mode biopotential sensor based on intelligent processor platform - Google Patents
Multi-mode biopotential sensor based on intelligent processor platform Download PDFInfo
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, 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
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
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- A—HUMAN NECESSITIES
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring 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
- A61B5/14551—Measuring 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/681—Wristwatch-type devices
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- A—HUMAN NECESSITIES
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- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6897—Computer input devices, e.g. mice or keyboards
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6898—Portable consumer electronic devices, e.g. music players, telephones, tablet computers
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Abstract
The present invention relates to a kind of multi-mode biopotential sensor based on intelligent processor platform, including multi-mode sensing unit, for gathering the physiological signal of various modes and the physiological signal collected being converted into analog electrical signal, wherein at least one sensing unit is the MEMS sensing units being made of miromaching；Intelligent processor platform, for controlling multi-mode sensing unit to gather signal and the signal collected being carried out into data operation, analysis, control, output；The MEMS sensing units and intelligent processor platform are made using monolithic integration process integration on substrate.The present invention is to integrate Review of Electrical Impedance Tomography EIT, Xc imaging technique CIT, Woundless blood sugar, blood pressure, blood oxygen, pulse, 71 intelligent biological sensors of conjunction of high-precision temperature check, the problem of can solve the problem that traditional medical sensor integration degree and low measurement accuracy, effectively pushes application of the sensor technology in healthy monitoring field.
Description
Technical field
The present invention relates to physiological parameter measurement technical field, more particularly to a kind of multi-mode biopotential sensor based on intelligent processor platform.
Background technology
Human body is a systematic complicated life entity, when this life entity breaks down, can show many symptoms, such as：Fever, cough, weak etc., have been later stage presentations when often these symptoms are produced." not sick " that ancient Chinese health care is emphasized is theoretical, it is exactly before human body is not also sick, by adjust the defect of the autoimmunity system of human body, prophylactic generation, but theory of traditional Chinese medical science be lack quantizating index, the doctor that places one's entire reliance upon knowledge experience.
With the development of science and technology; the help people that go out to be now able to of sensor technology realize the quantization of medical data, precision; so as to tackle chronic disease, quickly from sick and wounded middle rehabilitation, analysis may cause the abnormal environment situation of disease, and detect before going wrong unsound habits and customs.
But existing sensor technology integrated level is poor, the integrated of a small number of measurement patterns can only be realized, such as some intelligent watch of in the market release, Intelligent bracelet, only there are heart rate, two kinds of measurement patterns of pulse and blood pressure, want to also need on body while wearing multiple sensors to realize, promotion and application of the obstruction sensor technology in healthy monitoring field while measuring a variety of health datas such as blood glucose, blood pressure, body temperature, pulse, blood oxygen.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of multi-mode biopotential sensor based on intelligent processor platform, integrate the anti-imaging unit of human impedance imaging unit, body capacitance, noninvasive glucose, body temperature, blood pressure, blood oxygen and pulse sensing unit, efficiently, accurately detect and diagnose human health information.
To reach above effect, the technical solution adopted by the present invention is：A kind of multi-mode biopotential sensor based on intelligent processor platform, including multi-mode sensing unit, for gathering the physiological signal of various modes and the physiological signal collected being converted into analog electrical signal, wherein at least one sensing unit is the MEMS sensing units being made of miromaching；Intelligent processor platform, for controlling multi-mode sensing unit to gather signal and the signal collected being carried out into data operation, analysis, control, output；The MEMS sensing units and intelligent processor platform are made using monolithic integration process integration on substrate.
Preferably, the number of the multi-mode sensing unit is 7, it is human impedance imaging unit, Xc imaging unit, high-precision body temperature sensing unit, noninvasive glucose sensing unit, blood pressure sensing unit, blood oxygen sensing unit and pulse sensing unit respectively, wherein, high-precision body temperature sensing unit is MEMS sensing units.
Preferably, the human impedance imaging unit, the anti-imaging unit of body capacitance are realized by 128 matrix acquisition arrays；The blood oxygen, blood pressure, pulse sensing unit are realized by transmitting, reception photodiode；The blood glucose sensing unit is realized by transmitting, reception laser diode；The high-precision body temperature sensing unit is realized by MEMS infrared body temperatures sensor.
Preferably, the MEMS infrared body temperatures sensor is thermopile sensor.
Preferably, the intelligent processor platform is included with control, calculating, the central processor CPU or Micro-processor MCV of analytic function；CPU or MCU is coordinated to carry out the digital signal processing circuit DSP of Digital Signal Processing；Receive the control of CPU or MCU signals and to the Digital Analog Hybrid Circuits A/D of multi-mode sensing unit transmission of control signals；Receive Digital Analog Hybrid Circuits A/D instructions and the front-end processing circuit AFE instructed to multi-mode sensing unit sending action；The system interface docked with outside.
Compared with prior art, the beneficial effects of the present invention are：
Framework theory of the invention based on integrated sensor on piece, using single-chip integration processing technology by MEMS sensing units, intelligent processor platform intergration inside sensor chip, formed and integrate human impedance imaging, Xc imaging, high-precision body temperature, noninvasive glucose, blood pressure, blood oxygen, 71 intelligent biological sensors of conjunction of pulse detection, the problem of solving traditional medical sensor integration degree and low measurement accuracy, strengthen signal stabilization and unfailing performance, effectively push application of the sensor technology in healthy monitoring field；In addition, multi-mode biopotential sensor on the piece being made of single-chip integration, stereo circuit processing technology, its volume has compared with traditional product significantly to be declined, and manufacturing cost and power consumption are also decreased, and is particularly suitable for use in and is attached to high accuracy, low-power consumption, on the end product of small size.
Brief description of the drawings
Fig. 1 is logical framework schematic diagram of the present invention；
Fig. 2 is chip schematic diagram of the present invention.
Embodiment
With reference to Fig. 1 to Fig. 2, the present invention is described in further detail：
A kind of multi-mode biopotential sensor based on intelligent processor platform, including multi-mode sensing unit, for gathering the physiological signal of various modes and the signal collected being converted into electric signal, wherein at least one sensing unit is the MEMS sensing units being made of miromaching；Intelligent processor platform, for controlling multi-mode sensing unit to gather signal and the signal collected being carried out into data operation, analysis, control, output；The MEMS sensing units and intelligent processor platform are made using monolithic integration process integration on silicon wafer substrate, are got up each other by stereo circuit interconnection architecture configuration.
Referring to Fig. 2, specifically, the number of the multi-mode sensing unit is 7, is human impedance imaging unit, the anti-imaging unit of body capacitance, high-precision body temperature sensing unit, noninvasive glucose sensing unit, blood pressure sensing unit, blood oxygen sensing unit and pulse sensing unit respectively.
Wherein, the human impedance imaging unit, the anti-imaging unit of body capacitance are based on Review of Electrical Impedance Tomography EIT（Electrical Impedance Technology ）With Xc imaging technique CIT（Capacitive Impedance Technology）, specifically can realize the signal acquisition of impedance and capacitive reactance by 128 external matrix acquisition devices.Review of Electrical Impedance Tomography EIT and electricity Xc imaging technique CIT can solve the problem that the phenomenon of the Discrete Stochastic in human pathology's measurement, effectively improve Data acquisition and issuance precision, and the information of efficiently and accurately is provided for the detection of human body, diagnosis.
Here, the blood oxygen, blood pressure, pulse sensing unit are the external harvesters being made up of transmitting, reception photodiode, and the acquisition function of blood oxygen, blood pressure and pulse signal can be achieved；The noninvasive glucose sensing unit is the external harvester being made up of transmitting, reception laser diode, and Woundless blood sugar measurement can be achieved；And the high-precision body temperature sensing unit is then MEMS infrared body temperature sensors, multi-mode biopotential sensor chip internal can be integrated in, the high-precision body temperature collection of human body is realized, the MEMS infrared body temperatures sensor can be thermopile sensor or other semiconductors, the MEMS sensor of metal material composition
Further, the intelligent processor platform is included with control, calculating, the central processor CPU or Micro-processor MCV of analytic function；CPU or MCU is coordinated to carry out the digital signal processing circuit DSP of Digital Signal Processing；Receive the control of CPU or MCU signals and to the Digital Analog Hybrid Circuits A/D of multi-mode sensing unit front-end processing circuit AFE transmission of control signals；Receive Digital Analog Hybrid Circuits A/D instructions and the front-end processing circuit AFE instructed to multi-mode sensing unit sending action；For the system interface docked with outside, other interfaces such as communication interface, power interface.Wherein, the CPU or MCU of microcode determine the intelligentized control method of multi-mode biopotential sensor, base instruction need to be only inputted to sensor internal on this architecture basics, such as When, What, CPU or MCU can complete a series of control operational analyses and export result.It should be noted that the intelligent processor platform of the present invention can also change or increase and decrease according to demand the corresponding function module, it is not limited to this.
In the present invention, intelligent processor platform can control multi-mode sensing unit to be calculated the collection of physiological signal and the physiological signal that is collected, analyzed, exported simultaneously.A complete operation of high-precision body temperature sensing unit is illustrated by taking thermal reactor sensor as an example：Pass through system interface, such as communication interface is to CPU input signals, CPU starts working and digital signal processing circuit DSP can be instructed to carry out handling backward Digital Analog Hybrid Circuits A/D transmission data signal to input signal, the data signal received is converted into analog signal transmission to front-end processing circuit AFE by Digital Analog Hybrid Circuits A/D, instructed by front-end processing circuit AFE thermoelectric heap sensors sending action, thermopile sensor, which is received, to be gathered measured signal and is converted into the analog signal collected to send back to front-end processing circuit AFE after electric signal after instruction, it is to be sent to Digital Analog Hybrid Circuits A/D that AFE carries out preliminary treatment after receiving to the signal, Digital Analog Hybrid Circuits A/D, which changes the analog signal collected to data signal, to be sent to intelligent control circuit CPU, CPU can instruct digital signal processing circuit DSP to beam back CPU after carrying out data processing to the data signal, CPU exports the signal after calculation process is analyzed by communication interface.And other six kinds of sensing unit courses of work are similar, the present invention is repeated no more.
In the present invention, the MEMS sensing units in intelligent processor platform and multi-mode sensing unit are made using monolithic integration process integration in silicon wafer.It is preferred to use the Post-CMOS techniques in monolithic integration process, is specifically：Prepare clean silicon wafer；Digital circuit, analog circuit, intelligent control circuit, digital operational circuit, front-end processing circuit AFE etc. are designed by the integrated circuit technology such as CMOS, BCD platform on a tube core of silicon wafer, produced, intelligent processor platform is formed；MEMS technology is used on subregion on intelligent processor platform, by MEMS sensing units by way of " building a building ", for example thermopile sensor is designed, produced；And human impedance imaging unit, Xc imaging unit, noninvasive glucose, blood pressure, blood oxygen and then use micromechanics and the design of integrated circuit hybrid technique of this six sensing units of pulse sensing unit, production, form a complete multi-mode biopotential sensor chip with 7 kinds of sensing modes, the problem of solving traditional medical sensor integration degree and low measurement accuracy, strengthen signal stabilization and unfailing performance simultaneously, effectively push application of the sensor technology in healthy monitoring field, it finally can be applied to healthy wrist-watch, health mobile phone, health mouse, vehicle steering, on the smart terminal products such as measuring instrument.
Certainly, the making of multi-mode biopotential sensor can also use other monolithic integration process, and such as Pre-COMS or Intra-CMOS integrated techniques are completed, and are not limited to this.
In a word, preferred embodiments of the present invention are these are only, are not intended to limit the scope of the present invention, within the scope of the present invention, the equivalents or modification made to the present invention should be included in the scope of the protection.
Claims (5)
1. a kind of multi-mode biopotential sensor based on intelligent processor platform, it is characterised in that：Including multi-mode sensing unit, for gathering the physiological signal of various modes and the physiological signal collected being converted into analog electrical signal, wherein at least one sensing unit is the MEMS sensing units being made of miromaching；Intelligent processor platform, for controlling multi-mode sensing unit to gather signal and the signal collected being carried out into data operation, analysis, control, output；The MEMS sensing units and intelligent processor platform are made using monolithic integration process integration on substrate.
2. a kind of multi-mode biopotential sensor based on intelligent processor platform according to claim 1, it is characterised in that：The number of the multi-mode sensing unit is 7, it is human impedance imaging unit, Xc imaging unit, high-precision body temperature sensing unit, noninvasive glucose sensing unit, blood pressure sensing unit, blood oxygen sensing unit and pulse sensing unit respectively, wherein, high-precision body temperature sensing unit is MEMS sensing units.
3. a kind of multi-mode biopotential sensor based on intelligent processor platform according to claim 2, it is characterised in that：The human impedance imaging unit, the anti-imaging unit of body capacitance are realized by 128 matrix acquisition arrays；The blood oxygen, blood pressure, pulse sensing unit are realized by transmitting, reception photodiode；The blood glucose sensing unit is realized by transmitting, reception laser diode；The high-precision body temperature sensing unit is realized by MEMS infrared body temperatures sensor.
4. a kind of multi-mode biopotential sensor based on intelligent processor platform according to claim 3, it is characterised in that：The MEMS infrared body temperatures sensor is thermopile sensor.
5. a kind of multi-mode biopotential sensor based on intelligent processor platform according to any one of claim 1 to 4, it is characterised in that：The intelligent processor platform is included with control, calculating, the central processor CPU or Micro-processor MCV of analytic function；CPU or MCU is coordinated to carry out the digital signal processing circuit DSP of Digital Signal Processing；Receive the control of CPU or MCU signals and to the Digital Analog Hybrid Circuits A/D of multi-mode sensing unit transmission of control signals；Receive Digital Analog Hybrid Circuits A/D instructions and the front-end processing circuit AFE instructed to multi-mode sensing unit sending action；The system interface docked with outside.
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| CN201610138285.4A CN107174220A (en) | 2016-03-11 | 2016-03-11 | Multi-mode biopotential sensor based on intelligent processor platform |
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| CN201610138285.4A CN107174220A (en) | 2016-03-11 | 2016-03-11 | Multi-mode biopotential sensor based on intelligent processor platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107518892A (en) * | 2017-09-21 | 2017-12-29 | 中国科学院电子学研究所 | Integrated system that multi-physiological-parameter monitors in real time, chip and preparation method thereof |
| CN114371638A (en) * | 2020-10-15 | 2022-04-19 | 北京航天耐特科技有限公司 | Integrated circuit for vital sign detection and processing |
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| CN103278196A (en) * | 2013-05-30 | 2013-09-04 | 苏州中崟传感股份有限公司 | Integrated sensor |
| CN103385711A (en) * | 2013-08-02 | 2013-11-13 | 临沂市拓普网络股份有限公司 | MEMS -based human body physiological parameter detection device |
| CN105253851A (en) * | 2015-09-14 | 2016-01-20 | 合肥芯福传感器技术有限公司 | Chip-level system sensor and preparation method thereof |
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2016
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Patent Citations (4)
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| CN1826686A (en) * | 2003-07-19 | 2006-08-30 | 因芬尼昂技术股份公司 | Integrated sensor chip unit |
| CN103278196A (en) * | 2013-05-30 | 2013-09-04 | 苏州中崟传感股份有限公司 | Integrated sensor |
| CN103385711A (en) * | 2013-08-02 | 2013-11-13 | 临沂市拓普网络股份有限公司 | MEMS -based human body physiological parameter detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107518892A (en) * | 2017-09-21 | 2017-12-29 | 中国科学院电子学研究所 | Integrated system that multi-physiological-parameter monitors in real time, chip and preparation method thereof |
| CN114371638A (en) * | 2020-10-15 | 2022-04-19 | 北京航天耐特科技有限公司 | Integrated circuit for vital sign detection and processing |
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