CN209032337U - 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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- CN209032337U CN209032337U CN201721763084.XU CN201721763084U CN209032337U CN 209032337 U CN209032337 U CN 209032337U CN 201721763084 U CN201721763084 U CN 201721763084U CN 209032337 U CN209032337 U CN 209032337U
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Abstract
The utility model discloses a kind of blood pressure monitoring device based on smart machine and wearable bracelet, it include: smart machine and wearable bracelet, the first pulse transducer is provided in the wearable bracelet, microprocessor and communication module, 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 in 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 described in the utility model based on smart machine and wearable bracelet, in smart machine terminal, such as mobile phone or tablet computer, monitoring of blood pressure can be realized whenever and wherever possible in conjunction with wearable bracelet, have the characteristics that compact, easy to carry, structure is simple, comfort level is good and easy to use, wide market.
Description
Technical field
The utility model relates to human blood-pressure monitoring technical fields, more particularly to a kind of based on smart machine and wearable
The blood pressure monitoring device of bracelet.
Background technique
Include physiologic information abundant 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, people's lives rhythm faster, aggravate therewith by work and life pressure,
So towards family, community, civilian human blood-pressure monitoring device has a vast market foreground.
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.It is some semi-automatic or it is complete from
Dynamic blood pressure measuring instrument, principle and traditional sphygmomanometer are just the same, only stethoscope are replaced with microphony sensor, with pressure
Force snesor replaces mercury gage, it is still desirable to oversleeve, semi-automatic sphygmomanometer also need manually to be inflated oversleeve and
It deflates, use is cumbersome, and comfort level is poor, needs to improve.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of blood pressure based on smart machine and wearable bracelet
Monitoring device, solves that traditional Arm-cuff device volume is big, portability is poor, asks using cumbersome and comfort level is poor etc.
Topic realizes portable, real-time monitoring of blood pressure.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing one kind and set based on intelligence
The blood pressure monitoring device of standby and wearable bracelet, comprising: smart machine and wearable bracelet are provided in the wearable bracelet
First pulse transducer, microprocessor and communication module, the microprocessor respectively with the first pulse transducer and communication module
It is attached, the data communication interface of the communication module and smart machine carries out communication connection, setting in the smart machine
There is the second pulse transducer 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.
In one preferred embodiment of the utility model, the smart machine includes but is not limited to smart phone and plate electricity
Brain.
In one preferred embodiment of the utility model, the smart machine includes one and data communication interface output end
The processor being connected.
In one preferred embodiment of the utility model, first pulse transducer and the second arteries and veins sensor include but not
It is limited to based on photoelectricity or based on acceleration or based on the pulse transducer of gyroscope.
In one preferred embodiment of the utility model, the smart machine further include one be connected with processor it is aobvious
Display screen curtain.
In one preferred embodiment of the utility model, the communication module is wireless communication module or wire communication mould
Block.
It further include power supply module inside the wearable bracelet in one preferred embodiment of the utility model, the confession
Electric module connect with the first pulse transducer, microprocessor and communication module be powered respectively, the power supply module use but
It is not limited to one of high capacity, highdensity disposable button cell and the lithium battery for the reuse that can charge.
In one preferred embodiment of the utility model, the first pulse transducer and the second arteries and veins sensor work based on photoelectricity
It as wavelength include but is not limited to visible light and infrared.
In one preferred embodiment of the utility model, the smart machine is according to the first pulse transducer and the second pulse
Pulse information collected by sensor calculates pulse time delay according to pulse time delay and blood pressure is calculated.
Smart machine measurement finger tip pulse method be using built in smart machine proximity sensor (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
Skin, bone, meat, fat etc. be fixed value to the reflection or absorption of light, and capillary and arteriovenous are then in heart
As pulse volume does not stop to become larger to become smaller 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 exactly the opposite, the luminous intensity detected is maximum, thus proximity sensor or
Light receiving tube in light sensor can receive the light wave for making strong and weak variation synchronous with finger tip pulse, acquired by data,
Processing, extraction obtain finger tip pulse signal, in conjunction with the wrist pulse signal that wearable bracelet is sent, when pulse-transit is calculated
Between, and then blood pressure information is calculated.
The beneficial effects of the utility model are: the utility model point out it is a kind of based on smart machine and wearable bracelet
Blood pressure monitoring device can be real whenever and wherever possible in conjunction with wearable bracelet in smart machine terminal, such as mobile phone or tablet computer
Existing monitoring of blood pressure, has the characteristics that compact, easy to carry, structure is simple, comfort level is good and easy to use, market prospects
It is wide.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is a kind of one preferred embodiment of blood pressure monitoring device based on smart machine and wearable bracelet of the utility model
Schematic diagram in kind；
Fig. 2 is a kind of one preferred embodiment of blood pressure monitoring device based on smart machine and wearable bracelet of the utility model
Structuring concept figure；
The exemplary proximity sensor chip described in smart machine of Fig. 3；
The exemplary light sensor chip described in smart machine of Fig. 4.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 1 ~ Fig. 4 is please referred to, the utility model embodiment includes:
A kind of blood pressure monitoring device based on smart machine and wearable bracelet, comprising: smart machine and wearable bracelet,
The smart machine includes but is not limited to smart phone and tablet computer, smart phone using relatively conventional, with wearable hand
Ring cooperation, facilitates realization real-time monitoring.
The first pulse transducer, microprocessor and communication module, the microprocessor are provided in the wearable bracelet
Be attached respectively with the first pulse transducer and communication module, the data communication interface of the communication module and smart machine into
Row communication connection is provided with the second pulse transducer to monitor the pulse of fingertip location, second arteries and veins in the smart machine
Sensor of fighting is proximity sensor, light sensor or camera, the processor of second pulse transducer and smart machine
Linearly connected, collected pulse wave signal are directly read by processor, and the wearable bracelet is worn on the wrist position of human body
It sets to monitor the pulse of the position, blood pressure information is calculated:
According to Moens-Kortweg Velocity Equation:
(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 straight of blood vessel
Diameter, ρ are the density of blood vessel；
Hughes etc. demonstrates the relationship between blood vessel transmural pressure and blood vessel elasticity modulus again:
(formula 2)
Wherein E0It is the elasticity modulus under original state, γ indicates that a range is 0.016 referential for arriving 0.018mmHg
Number, P indicate blood pressure transmural pressure.In general, transmural pressure P=Pi—Po, PiAnd PoRespectively represent artery internal pressure and arterial wall in vascular wall
External pressure.Since ductus arteriosus wall is connected by other physiological tissues outside artery with atmospheric pressure, PoAtmospheric pressure can be substituted, and
Our usually mentioned blood pressures refer to the difference of artery internal pressure and 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
The point time used.Pulse wave translation time, spread speed and transmitting distance can be expressed from the next:
(formula 3)
Wherein L is the transmitting distance of pulse wave, and PWTT is pulse wave translation time.
It brings formula 2 and formula 3 into formula 1, arranges available blood pressure P:
(formula 4)
It has more blood when the heartbeat of human body using pulse at wearable bracelet monitoring wrist and flows through wrist,
Photo-electric the first pulse transducer transmitting terminal is equipped with green LED, and the uptake of green light can be bigger.In heartbeat gap, green light
Uptake can decrease.Therefore, the luminous intensity that the optical receiver of the first pulse transducer of photo-electric receives can be with blood
Absorbance change in pulsating nature, data sampling and processing is carried out by microprocessor, extracts, and is sent by wireless communication module
To the data communication interface input terminal of smart machine.
Meanwhile utilizing proximity sensor built in smart machine (infrared light transceivers), light sensor (visible optical detection
Device) either camera receive penetrate finger tip visible light or infrared light, skin, bone, muscle and fat of human body etc. pair
The reflection or absorption of light are fixed values, and capillary and arteriovenous can not stop to become larger to become smaller with pulse volume, so right
The reflection of light is undulating value.Reflected undulating value can be approached the reception of the light-sensitive device in sensor or light sensor,
By data sampling and processing, extraction obtains finger tip pulse signal, calculates Pulse transit time (PTT), to obtain blood pressure letter
Breath.
The smart machine includes but is not limited to smart phone and tablet computer, with the universal and intelligence of smart phone
The development of various kinds of sensors in mobile phone, smart phone at indispensable a part in for people's lives, meanwhile, wearable bracelet
Small and exquisite, cheap, the convenient to wear also deep favor by people of stature.The smart machine includes one and data communication interface
The processor that output end is connected, the proximity sensor 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 capacity, high density
Disposable button cell and one of the lithium battery of reuse of can charging, light-weight, wearing is slim and graceful.
The communication module is wireless communication module or wire communication module, generallys use wireless communication module, convenient
Wireless data communication between smart machine and wearable bracelet, using flexible.
The proximity sensor is the transceiver of infrared band, the common proximity sensor built in the smart machine
TMD2671 family chip 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 sensor with integrated LED driver and infrared LED.Close to function
100mm(can be calibrated to without cover glass), there is no need to terminal device or factory calibration sub-components.Internal state machine is provided equipment
It is placed in the ability of low-power mode, low-down average power consumption is provided.Micro optical lens are added in module can provide high efficiency
Infrared energy transmission and receive, to reduce the overall power of detection function.It is answered close to function specifically near field is neighbouring
With such as the proximity sensor in smart phone.Communication with external devices is by simple 2 line I2What C interface was realized, data
Rate is up to 400kHz.Interrupt output pin is provided for being connected to host-processor.There are one digital filters, will connect
Nearly ADC result is compared with programming value, only to generate interruption 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, this makes TMD2671 device
Suitable for very thin machine applications, such as smart phone.
The light sensor is the receiver of visible light wave range, the common light sensor built in the smart machine
TSL2571 family chip as shown in figure 4, the family chip include on piece photodiode, integral amplifier, ADCs, accumulator,
Clock, buffer, comparator, state machine and I2C interface.The chip is by two pole of photoelectricity to visible light and infrared photaesthesia
Pipe (CH0) and a photodiode (CH1) to infrared photaesthesia are combined.Two integrated ADC simultaneously will amplification
Photodiode current be converted to digital value, up to 16 resolution ratio is provided.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 conclusion a kind of blood pressure monitoring device based on smart machine and wearable bracelet that the utility model is pointed out,
Compact, easy to carry, structure is simple, comfort level is good, easy to use, can monitor blood pressure at any time, and can be based on several
The smart phone of manpower indispensability, greatly reduces use cost.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
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,
It is characterized in that, comprising: smart machine and wearable bracelet are provided with the first pulse transducer, Wei Chu in 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, is provided with the second pulse transducer in the smart machine to supervise
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, which is characterized in that institute
Stating smart machine includes but is not limited to smart phone and tablet computer.
3. the blood pressure monitoring device according to claim 1 based on smart machine and wearable bracelet, which is characterized in that institute
Stating smart machine includes the 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, which is characterized in that institute
It states the first pulse transducer and the second arteries and veins sensor includes but is not limited to be 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, which is characterized in that institute
Stating smart machine further includes the display screen being connected with processor.
6. the blood pressure monitoring device according to claim 1 based on smart machine and wearable bracelet, which is characterized in that institute
Stating communication module is wireless communication module or wire communication module.
7. the blood pressure monitoring device according to claim 1 based on smart machine and wearable bracelet, which is characterized in that institute
Stating inside wearable bracelet further includes power supply module, 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 be not limited to high capacity, highdensity disposable button cell and can
With one of the lithium battery reused that charges.
8. the blood pressure monitoring device according to claim 4 based on smart machine and wearable bracelet, which is characterized in that base
In the first pulse transducer of photoelectricity and the second arteries and veins working sensor wavelength include but is not limited to visible light and infrared.
9. the blood pressure monitoring device according to claim 1 based on smart machine and wearable bracelet, which is characterized in that institute
Smart machine pulse information 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.
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| CN201721763084.XU CN209032337U (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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| CN201721763084.XU CN209032337U (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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802259A (en) * | 2017-12-18 | 2018-03-16 | 苏州安莱光电科技有限公司 | A kind of blood pressure monitoring device based on smart machine and wearable bracelet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107802259A (en) * | 2017-12-18 | 2018-03-16 | 苏州安莱光电科技有限公司 | A kind of blood pressure monitoring device based on smart machine and wearable bracelet |
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