CN107802259A - A kind of blood pressure monitoring device based on smart machine and wearable bracelet - Google Patents
A kind of blood pressure monitoring device based on smart machine and wearable bracelet Download PDFInfo
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- CN107802259A CN107802259A CN201711360296.8A CN201711360296A CN107802259A CN 107802259 A CN107802259 A CN 107802259A CN 201711360296 A CN201711360296 A CN 201711360296A CN 107802259 A CN107802259 A CN 107802259A
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- smart machine
- wearable bracelet
- blood pressure
- pulse
- monitoring device
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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
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0214—Operational features of power management of power generation or supply
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Physiology (AREA)
- Vascular Medicine (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention discloses a kind of blood pressure monitoring device based on smart machine and wearable bracelet, including：Smart machine and wearable bracelet, the first pulse transducer, microprocessor and communication module are provided with the wearable bracelet, the microprocessor is attached with the first pulse transducer and communication module respectively, the data communication interface of the communication module and smart machine carries out communication connection, the second pulse transducer is provided with the smart machine to monitor the pulse of fingertip location, the wearable bracelet is worn on the wrist location of human body to monitor the pulse of the position.Through the above way, blood pressure monitoring device of the present invention based on smart machine and wearable bracelet, in smart machine terminal, such as mobile phone or tablet personal computer, monitoring of blood pressure is realized whenever and wherever possible with reference to wearable bracelet can, there is compact, easy to carry, simple in construction, comfort level is good and easy to use, wide market.
Description
Technical field
The present invention relates to human blood-pressure monitoring technical field, and smart machine and wearable bracelet are based on more particularly to one kind
Blood pressure monitoring device.
Background technology
Abundant physiologic information is included in human pulse and blood pressure signal, is the foundation of clinical diagnosis.In science and technology
While high speed development social competition is become more fierce, the rhythm of life of people faster, aggravate therewith by work and life stress,
So towards family, community, civilian human blood-pressure monitoring device there are wide market prospects.
In addition, traditional monitoring of blood pressure is Arm-cuff device, vibrating sensor, microphony sensor or stethoscope with
One inflatable gas sleeve combines as a whole, and gas sleeve is connected with mercury gage or without mercury gage.Some it is semi-automatic or it is complete from
Dynamic blood pressure measuring instrument, its principle and traditional sphygmomanometer are just the same, only replace stethoscope with microphony sensor, with pressure
Force snesor replaces mercury gage, it is still desirable to oversleeve, semi-automatic sphygmomanometer need also exist for manually being inflated oversleeve and
Deflate, use is cumbersome, and comfort level difference is, it is necessary to improve.
The content of the invention
The present invention solves the technical problem of provide a kind of monitoring of blood pressure based on smart machine and wearable bracelet
Device, solve traditional Arm-cuff device volume is big, portability is poor, using cumbersome and comfort level it is poor the problems such as, it is real
Existing portable, real-time monitoring of blood pressure.
In order to solve the above technical problems, one aspect of the present invention is：There is provided it is a kind of based on smart machine and
The blood pressure monitoring device of wearable bracelet, including：Smart machine and wearable bracelet, first is provided with the wearable bracelet
Pulse transducer, microprocessor and communication module, the microprocessor are carried out with the first pulse transducer and communication module respectively
Connection, the data communication interface of the communication module and smart machine carries out communication connection, and the is provided with the smart machine
Two pulse transducers monitor the pulse of fingertip location, and the wearable bracelet is worn on the wrist location of human body to monitor the position
The pulse put.
In a preferred embodiment of the present invention, the smart machine includes but is not limited to smart mobile phone and tablet personal computer.
In a preferred embodiment of the present invention, the smart machine is connected including one with data communication interface output end
The processor connect.
In a preferred embodiment of the present invention, first pulse transducer and the second arteries and veins sensor include but is not limited to
Pulse transducer based on photoelectricity or based on acceleration or based on gyroscope.
In a preferred embodiment of the present invention, the smart machine also includes a display screen being connected with processor
Curtain.
In a preferred embodiment of the present invention, the communication module is wireless communication module or wire communication module.
In a preferred embodiment of the present invention, power supply module, the power supply mould are also included inside the wearable bracelet
Block is connected with the first pulse transducer, microprocessor and communication module is powered respectively, and the power supply module uses but unlimited
One kind in high power capacity, highdensity disposably button cell and the lithium battery that reuse can be charged.
In a preferred embodiment of the present invention, the first pulse transducer based on photoelectricity and the second arteries and veins working sensor ripple
The long visible ray and infrared of including but is not limited to.
In a preferred embodiment of the present invention, the smart machine senses according to the first pulse transducer and the second pulse
Pulse information collected by device, pulse time delay is calculated, according to pulse time delay, blood pressure is calculated.
Smart machine measurement finger tip pulse method is to utilize the proximity transducer built in smart machine（Infrared light transceivers）、
Light sensor（Visible-light detector）Or camera, receive the signal of infrared light or visible light-transmissive finger tip, wherein human body
The reflection or absorption to light of skin, bone, meat, fat etc. be fixed value, and capillary and arteriovenous are then in heart
Diminish greatly as pulse volume does not stop to become under effect, when the heart contracts, periphery blood volume is most, absorbing amount is also maximum, inspection
The luminous intensity that measures is minimum, and in diastole, and contrast, the luminous intensity detected is maximum, thus proximity transducer or
Light receiving tube in light sensor can receive the light wave for making strong and weak change synchronous with finger tip pulse, by data acquisition,
Processing, extraction obtain finger tip pulse signal, the wrist pulse signal sent with reference to wearable bracelet, when pulse-transit is calculated
Between, and then blood pressure information is calculated.
The beneficial effects of the invention are as follows：A kind of monitoring of blood pressure based on smart machine and wearable bracelet that the present invention points out
Device, in smart machine terminal, such as mobile phone or tablet personal computer, realize that blood pressure is supervised whenever and wherever possible with reference to wearable bracelet can
Survey, there is compact, easy to carry, simple in construction, comfort level is good and easy to use, wide market.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing, wherein：
Fig. 1 is that a kind of material object of the preferred embodiment of blood pressure monitoring device one based on smart machine and wearable bracelet of the present invention shows
It is intended to；
Fig. 2 is that a kind of structure of the preferred embodiment of blood pressure monitoring device one based on smart machine and wearable bracelet of the present invention is general
Read figure；
The exemplary proximity transducer chips described in smart machine of Fig. 3；
The exemplary light sensor chips described in smart machine of Fig. 4.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Fig. 1 ~ Fig. 4 is referred to, the embodiment of the present invention includes：
A kind of blood pressure monitoring device based on smart machine and wearable bracelet, including：Smart machine and wearable bracelet, it is described
Smart machine includes but is not limited to smart mobile phone and tablet personal computer, and the use of smart mobile phone is relatively conventional, matches somebody with somebody with wearable bracelet
Close, it is convenient to realize monitoring in real time.
The first pulse transducer, microprocessor and communication module, the microprocessor are provided with the wearable bracelet
It is attached respectively with the first pulse transducer and communication module, the data communication interface of the communication module and smart machine enters
Row communication is connected, and the second pulse transducer is provided with to monitor the pulse of fingertip location, second arteries and veins in the smart machine
Sensor of fighting is proximity transducer, light sensor or camera, the processor of second pulse transducer and smart machine
Linearly connected, the pulse wave signal collected are directly read by processor, and the wearable bracelet is worn on the wrist position of human body
Put to monitor the pulse of the position, blood pressure information is calculated：
It can be seen from Moens-Kortweg Velocity Equations：
（Formula 1）
Wherein c is pulse wave velocity, and E is the Young coefficient of elasticity of blood vessel, and h is the thickness of vascular wall, and D is the diameter of blood vessel, and ρ is
The density of blood vessel；
Hughes etc. demonstrates the relation between blood vessel transmural pressure and blood vessel elasticity modulus again：
（Formula 2）
Wherein E0It is the modulus of elasticity under original state, γ represents the reference coefficient that a scope is 0.016 to 0.018mmHg, P
Represent blood pressure transmural pressure.Generally, transmural pressure P=Pi—Po, PiAnd PoArtery internal pressure and arterial wall external pressure in vascular wall are represented respectively.
Because ductus arteriosus wall is connected by other physiological tissues outside artery with atmospheric pressure, therefore PoIt can substitute atmospheric pressure, and we
Generally mentioned blood pressure refers to artery internal pressure and the difference of atmospheric pressure, so P can represent blood pressure.
On the other hand, pulse wave translation time refers to pulse wave in vivo by a little passing to distal end other one in arterial tree
Time used in point.Pulse wave translation time, spread speed and transmission distance can be expressed from the next：
（Formula 3）
Wherein L is the transmission distance of pulse wave, and PWTT is pulse wave translation time.
Bring formula 2 and formula 3 into formula 1, arrangement can obtain blood pressure P：
(formula 4)
Using pulse at wearable bracelet monitoring wrist, when the heartbeat of human body, have more blood and flow through wrist, photoelectricity
The first pulse transducer of formula transmitting terminal is equipped with green LED, and the uptake of green glow can be bigger.In heartbeat gap, the suction of green glow
Receipts amount can decrease.Therefore, the luminous intensity that the optical receiver of the pulse transducer of photo-electric first receives can be with the suction of blood
Luminosity changes in pulsating nature, carries out data sampling and processing, extraction by microprocessor, and sent to intelligence by wireless communication module
The data communication interface input of energy equipment.
Meanwhile utilize proximity transducer built in smart machine（Infrared light transceivers）, light sensor（It can be seen that optical detection
Device）Either camera receives the visible ray or infrared light, skin, bone, muscle and the fat of human body etc. pair through finger tip
The reflection or absorption of light are fixed values, and capillary and arteriovenous can not stop change with pulse volume and diminish greatly, so right
The reflection of light is undulating value.The light-sensitive device that the undulating value reflected can be approached in sensor or light sensor receives,
By data sampling and processing, extraction obtains finger tip pulse signal, calculates Pulse transit time（PTT）, so as to obtain blood pressure letter
Breath.
The smart machine includes but is not limited to smart mobile phone and tablet personal computer, popularization and intelligence with smart mobile phone
The development of various kinds of sensors in mobile phone, smart mobile phone turn into a part indispensable in people's life, meanwhile, wearable bracelet
Stature is compact, cheap, wearing is convenient also deep is favored by people.The smart machine includes one and data communication interface
The processor that output end is connected, the proximity transducer or light sensor and processor linearly connected, processor carry out letter
Number reception, processing and calculating, show the blood pressure of monitoring on the display screen.
Include power supply module inside the wearable bracelet, it is very easy to use, the power supply module respectively with the first arteries and veins
Fight sensor, microprocessor is connected with communication module and is powered, and the power supply module uses but is not limited to high power capacity, high density
Disposable button cell and the reuse that can charge lithium battery in one kind, in light weight, wearing is slim and graceful.
The communication module is wireless communication module or wire communication module, and generally use wireless communication module is convenient
RFDC between smart machine and wearable bracelet, using flexible.
The proximity transducer is the transceiver of infrared band, the common proximity transducer built in the smart machine
TMD2671 family chips as shown in figure 3, the family chip provided in single 8 pin package complete proximity test system and
Digital interface logic.Proximity detector includes the digital proximity transducer with integrated LED driver and infrared LED.Close to work(
100mm can be calibrated to（Without cover glass）, therefore without terminal device or factory calibration sub-component.Internal state machine is provided equipment
It is placed in the ability of low-power mode, there is provided low-down average power consumption.Micro optical lens are added in module can provide high efficiency
Infrared energy transmission and receive, so as to reduce the overall power of detection function.Answered close to function specifically near field is neighbouring
With such as the proximity transducer in smart mobile phone.Communication with external devices is by simple 2 line I2What C interface was realized, data
Speed is up to 400kHz.Interrupt output pin is provided to be used to be connected to host-processor.An also digital filter, will connect
Nearly ADC results are compared with programming value, to produce interruption only when close to event.TMD2671 series uses very small 8
Pin optical package.Required pcb board area is only 9.36mm2, packaging height is only 1.35mm, and this causes TMD2671 devices
Suitable for very thin machine applications, such as smart mobile phone.
The light sensor is the receiver of visible light wave range, the common light sensor built in the smart machine
TSL2571 family chips as shown in figure 4, the family chip include piece on photodiode, integral amplifier, ADCs, accumulator,
Clock, buffer, comparator, state machine and I2C interface.The chip is by one to visible ray and the pole of the photoelectricity of infrared photaesthesia two
Pipe（CH0）With a photodiode to infrared photaesthesia（CH1）Combine.Two integrated ADC simultaneously will amplification
Photodiode current be converted to digital value, there is provided the up to resolution ratio of 16.After the completion of change-over period, transformation result is passed
It is sent to data register.This numeral output can pass through microcomputer reads.
In summary, a kind of blood pressure monitoring device based on smart machine and wearable bracelet that the present invention points out, volume
It is compact, easy to carry, simple in construction, comfort level is good, easy to use, blood pressure can be monitored at any time, and almost people can be based on
The indispensable smart mobile phone of hand, greatly reduces use cost.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (9)
1. a kind of blood pressure monitoring device based on smart machine and wearable bracelet, for the portable monitoring of human blood-pressure, its
It is characterised by, including：Smart machine and wearable bracelet, the first pulse transducer, Wei Chu are provided with the wearable bracelet
Reason device and communication module, the microprocessor are attached with the first pulse transducer and communication module respectively, the communication mould
The data communication interface of block and smart machine carries out communication connection, and the second pulse transducer is provided with to supervise in the smart machine
The pulse of fingertip location is surveyed, the wearable bracelet is worn on the wrist location of human body to monitor the pulse of the position.
2. the blood pressure monitoring device according to claim 1 based on smart machine and wearable bracelet, it is characterised in that institute
State smart machine and include but is not limited to smart mobile phone and tablet personal computer.
3. the blood pressure monitoring device according to claim 1 based on smart machine and wearable bracelet, it is characterised in that institute
Stating smart machine includes a processor being connected with data communication interface output end.
4. the blood pressure monitoring device according to claim 1 based on smart machine and wearable bracelet, it is characterised in that institute
State the first pulse transducer and the second arteries and veins sensor includes but is not limited to based on photoelectricity or based on acceleration or based on gyroscope
Pulse transducer.
5. the blood pressure monitoring device according to claim 1 based on smart machine and wearable bracelet, it is characterised in that institute
Stating smart machine also includes a display screen being connected with processor.
6. the blood pressure monitoring device according to claim 1 based on smart machine and wearable bracelet, it is characterised in that institute
It is wireless communication module or wire communication module to state communication module.
7. the blood pressure monitoring device according to claim 1 based on smart machine and wearable bracelet, it is characterised in that institute
Stating also includes power supply module inside wearable bracelet, the power supply module respectively with the first pulse transducer, microprocessor and logical
News module connection is powered, and the power supply module uses but is not limited to high power capacity, highdensity disposable button cell and can
One kind in the lithium battery reused with charging.
8. the blood pressure monitoring device according to claim 4 based on smart machine and wearable bracelet, it is characterised in that base
Include but is not limited to visible ray and infrared in the first pulse transducer of photoelectricity and the second arteries and veins working sensor wavelength.
9. the blood pressure monitoring device according to claim 1 based on smart machine and wearable bracelet, it is characterised in that institute
Pulse information of the smart machine according to collected by the first pulse transducer and the second pulse transducer is stated, the calculating pulse time prolongs
Late, according to pulse time delay, blood pressure is calculated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711360296.8A CN107802259A (en) | 2017-12-18 | 2017-12-18 | A kind of blood pressure monitoring device based on smart machine and wearable bracelet |
| PCT/CN2018/080633 WO2019119670A1 (en) | 2017-12-18 | 2018-03-27 | Blood pressure monitoring device based on intelligent device and wearable bracelet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711360296.8A CN107802259A (en) | 2017-12-18 | 2017-12-18 | A kind of blood pressure monitoring device based on smart machine and wearable bracelet |
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| Publication Number | Publication Date |
|---|---|
| CN107802259A true CN107802259A (en) | 2018-03-16 |
Family
ID=61580071
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711360296.8A Pending CN107802259A (en) | 2017-12-18 | 2017-12-18 | A kind of blood pressure monitoring device based on smart machine and wearable bracelet |
Country Status (2)
| Country | Link |
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| CN (1) | CN107802259A (en) |
| WO (1) | WO2019119670A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109497966A (en) * | 2018-12-29 | 2019-03-22 | 中国科学院合肥物质科学研究院 | A kind of cardiovascular function detection bracelet and application method |
| WO2019119670A1 (en) * | 2017-12-18 | 2019-06-27 | 苏州安莱光电科技有限公司 | Blood pressure monitoring device based on intelligent device and wearable bracelet |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113679362A (en) * | 2021-08-18 | 2021-11-23 | 武汉轻工大学 | Blood pressure monitoring bracelet |
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| WO2019119670A1 (en) | 2019-06-27 |
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Application publication date: 20180316 |