CN105982659A - Ear clip for measuring heart rate and control method thereof - Google Patents
Ear clip for measuring heart rate and control method thereof Download PDFInfo
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- CN105982659A CN105982659A CN201610153621.2A CN201610153621A CN105982659A CN 105982659 A CN105982659 A CN 105982659A CN 201610153621 A CN201610153621 A CN 201610153621A CN 105982659 A CN105982659 A CN 105982659A
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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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/024—Measuring pulse rate or heart rate
- A61B5/0245—Measuring pulse rate or heart rate by using sensing means generating electric signals, i.e. ECG signals
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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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/024—Measuring pulse rate or heart rate
- A61B5/02416—Measuring pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
- A61B5/02427—Details of sensor
- A61B5/02433—Details of sensor for infrared radiation
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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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/024—Measuring pulse rate or heart rate
- A61B5/02438—Measuring pulse rate or heart rate with portable devices, e.g. worn by the patient
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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
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6814—Head
- A61B5/6815—Ear
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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
- A61B5/683—Means for maintaining contact with the body
- A61B5/6838—Clamps or clips
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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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Public Health (AREA)
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- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Physics & Mathematics (AREA)
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- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
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- Psychiatry (AREA)
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- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Otolaryngology (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention discloses an ear clip for measuring heart rate. The ear clip comprises an ear clip main body, wherein the ear clip main body comprises a heart rate collection module, a signal amplification circuit module, a data conversion module, a processor module and a radio-frequency transmission module; the heart rate collection module is sequentially connected with the signal amplification circuit module, the data conversion module, the processor module and the radio-frequency transmission module. The control method comprises the following steps: 1, collecting a blood change signal from the ear of a human body by adopting the heart rate collection module; 2, acquiring instantaneous heart rate values; 3, accumulating the instantaneous heart rate values in the step 2; 4, equalizing the sum of first accumulation; 5, collecting a blood change signal from the ear of the human body by adopting the heart rate collection module; 6, calculating the sum of second accumulation; 7, acquiring a second average value; and 8, transmitting the second average value through the radio-frequency transmission module by adopting the processor module. The ear clip can be used for measuring the heart rate comfortably, conveniently and accurately, and the user experience of the product can be improved.
Description
Technical field
The present invention relates to a kind of ear clip, particularly to a kind of ear clip for measuring heart rate and control method thereof.
Background technology
As an important physical signs of health, heart rate is the most basic information of pulse wave, and it is steady
The qualitative quality directly reflecting cardiac function.At present, known heart rate measurement instrument includes: one, survey
Amount instrument is worn on front by wireless pectoral girdle, and conducting resinl must directly contact human body skin, when wearing
Needing to take off clothes, be more tightly fitted on human body skin by pectoral girdle, measurement operation is complicated and inconvenient,
Be not suitable for daily monitoring at any time, even can cause the discomfort of human body；Two, survey tool includes four steel
Sheet, steel disc is separately positioned on the handrail of treadmill arranged on left and right sides, and people hold on steel disc by both hands
Gathering signal, when testing heart beating, the hands of human body must hold the steel disc on handrail always, it is impossible to normal
Running and swing, the dynamics once held changes, and the collection of signal will be produced impact, cause heart rate to survey
There is error in amount.
In view of this, a kind of ear clip for measuring heart rate of the present inventor's specialized designs and control method thereof,
This case thus produces.
Summary of the invention
It is an object of the invention to provide a kind of ear clip for measuring heart rate and control method thereof, make heart rate
Measurement more comfortable, convenient and accurate, improve product Consumer's Experience.
To achieve these goals, technical scheme is as follows:
A kind of ear clip for measuring heart rate, including ear clip main body, the shape of ear clip main body and hard of hearing shape
Being consistent, ear clip main body includes heart rate acquisition module, signal amplification circuit module, data conversion module, place
Reason device module and radio frequency transmission module, heart rate acquisition module is sequentially connected with signal amplification circuit module, data
Modular converter, processor module and radio frequency transmission module, heart rate acquisition module is an infrared sensor.
Also including charge management module for measuring the ear clip of heart rate, charge management module connects described process
Device module.
Also include terminal unit for measuring the ear clip of heart rate, terminal unit and described radio frequency transmission module without
Line connects.
Described radio frequency transmission module is bluetooth module.
Described bluetooth module is low-power consumption bluetooth module.
Also include level acquisition module and time block for measuring the ear clip of heart rate, level acquisition module and
Time block connects described processor module respectively.
The control method of a kind of ear clip for measuring heart rate, comprises the following steps:
Step 1: heart rate acquisition module gathers the blood variable signal of n time at human body ear position, wherein,
n≥1；
Step 2: blood variable signal successively through signal amplification circuit module and the process of data conversion module,
Obtain n group instantaneous heart rate value, be designated as X successively1、X2、X3、……、Xn-1、Xn, wherein, X >=0；
Step 3: the front n group instantaneous heart rate value that step one is sampled by processor module adds up, and obtains
First cumulative and Sn, Sn=X1+X2+X3+……+Xn-1+Xn；
Step 4: processor module is to the first cumulative and SnAverage, obtain the first meansigma methods Vn,
Vn=Sn/n；
Step 5: heart rate acquisition module gathers blood variable signal (n+1)th time at human body ear position, depends on
Secondary through signal amplification circuit module with the process of data conversion module, obtain the instantaneous heart rate value of (n+1)th group,
And it is designated as Xn+1；
Step 6: according to formula Sn+1=Sn-Vn+Xn+1, seek the second cumulative and Sn+1；
Step 7: processor module is to the second cumulative and Sn+1Average, obtain the second meansigma methods Vn+1,
Vn+1=Sn+1/(n+1)；
Step 8: processor module is by the second meansigma methods Vn+1It is transmitted by radio frequency transmission module, from
And complete the measurement of heart rate.
Described step 2 includes:
Step 21, sets the timing of time block, and level acquisition module gathers blood in timing
The level of liquid variable signal；
Step 22, when the timing of time block arrives, processor module decision level acquisition module
The level collected, if the level that level acquisition module is collected is low level, then processor module
The time that cumulative low level occurs, and it is designated as TLIf the level that level acquisition module is collected is high electricity
Flat, then perform next step；
Step 23, processor module adds up the time that high level occurs, and is designated as TH；
Step 24, if the front of high level appearance is once low level, then performs next step, if high level
The front high level that is once still occurred, then return step 22；
Step 25, processor module calculates the cycle T of instantaneous heart rate, T=TL+TH；
Step 26, according to formula instantaneous heart rate value=60000/T, i.e. can get instantaneous heart rate value (unit:
Millisecond MS).
Step 10 is also included: before performing described step 1 for measuring the control method of the ear clip of heart rate
Whether detection ear clip is worn.
Described step 10 includes:
Step 101, level acquisition module gathers the level of blood variable signal；
Step 102, whether processor module detection level changes, if level does not change, then holds
Row next step, if level changes, then detects that ear clip is worn, and opens heart rate acquisition module；
Step 103, the time that processor module statistics level does not change, treats that this time arrives pre-
If the good time, then detect that ear clip is not worn, and close heart rate acquisition module, if level does not occur
Cumulative, then return step 102.
After using such scheme, the method have the advantages that
One, the shape of the ear clip main body of present invention shape hard of hearing with human body is consistent, and during use, only need to will produce
Product are worn on the ear of human body, wear simpler and comfortable, have been greatly reinforced Consumer's Experience；
Two, the present invention gathers faint blood variable signal by infrared sensor, has highly sensitive and rings
Advantage should be waited soon, it is to avoid product directly contacts with human body skin, is suitable for daily monitoring at any time, survey
Measure simple to operate and convenient；
Three, present configuration is simple, designs ingenious, is first gathered the change of faint blood by heart rate acquisition module
Signal, blood variable signal is the most successively through signal amplification circuit module, data conversion module and processor die
Blocks etc. export heart rate signal after processing, and heart rate signal is transmitted finally by radio frequency transmission module, makes survey
Amount is more real-time and accurate, improves the performance of product further.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the flow chart of control method of the present invention；
Fig. 3 is the flow chart of instantaneous heart rate algorithm of the present invention；
Fig. 4 is the flow chart that the present invention detects that ear clip is worn.
Label declaration
Heart rate acquisition module 1, signal amplification circuit module 2, data conversion module 3, processor module 4,
Radio frequency transmission module 5.
Detailed description of the invention
As it is shown in figure 1, a kind of ear clip for measuring heart rate that the present invention discloses, including ear clip main body,
The shape of ear clip main body is consistent with hard of hearing shape, and ear clip main body includes that heart rate acquisition module 1, signal amplify
Circuit module 2, data conversion module 3, processor module 4 and radio frequency transmission module 5, heart rate gathers mould
Block 1 is sequentially connected with signal amplification circuit module 2, data conversion module 3, processor module 4 and radio frequency and passes
Defeated module 5, heart rate acquisition module 1 is an infrared sensor.
In the present embodiment, the ear clip being used for measuring heart rate also includes charge management module, Charge Management mould
Block connects described processor module 4, and when the power supply deficiency of ear clip, charge management module can be to ear clip
Being charged, in case of need, it is more convenient to use.
Further, the ear clip being used for measuring heart rate also includes terminal unit, terminal unit and described radio frequency
Transport module 5 wireless connections, terminal unit has multiple, can be specifically handheld terminal, can be PC
Personal computer, it is also possible to be server.Certainly, the mounting means of terminal unit also has multiple, permissible
Arrange on a treadmill, it is also possible to be independently arranged.
In order to the measurement making heart rate is more accurate, described radio frequency transmission module 5 is bluetooth module, bluetooth mould
The setting of block makes signal transmission more stable, is not disturbed by extraneous factor, is conducive to improving heart rate measurement
Precision.The bluetooth module of this embodiment is low-power consumption bluetooth module, is of value to saving electricity, improves and produces
The performance of product.
In the present embodiment, also include level acquisition module and time block for measuring the ear clip of heart rate,
Level acquisition module and time block connect described processor module 4 respectively, are possible not only to detection product and are
No wear, and the time that level gathers can be added up, make the heart rate value finally measured average and accurate
Really, the precision measured is improved further.
As in figure 2 it is shown, present invention further teaches the control method of a kind of ear clip for measuring heart rate, bag
Include following steps:
Step 1: heart rate acquisition module 1 gathers the blood variable signal of n time at human body ear position, its
In, n >=1；
Step 2: blood variable signal is successively through signal amplification circuit module 2 and data conversion module 3
Process, obtain n group instantaneous heart rate value, be designated as X successively1、X2、X3、……、Xn-1、Xn, wherein, X
≥0；
Step 3: the front n group instantaneous heart rate value that step one is sampled by processor module 4 adds up,
To the first cumulative and Sn, Sn=X1+X2+X3+……+Xn-1+Xn；
Step 4: processor module 4 is to the first cumulative and SnAverage, obtain the first meansigma methods Vn,
Vn=Sn/n；
Step 5: heart rate acquisition module 1 gathers blood variable signal (n+1)th time at human body ear position,
Successively through signal amplification circuit module 2 and the process of data conversion module 3, obtain (n+1)th group instantaneous
Heart rate value, and it is designated as Xn+1；
Step 6: according to formula Sn+1=Sn-Vn+Xn+1, seek the second cumulative and Sn+1；
Step 7: processor module 4 is to the second cumulative and Sn+1Average, obtain the second meansigma methods Vn+1, Vn+1=Sn+1/(n+1)；
Step 8: processor module 4 is by the second meansigma methods Vn+1It is transmitted by radio frequency transmission module,
Thus complete the measurement of heart rate.
The algorithm of instantaneous heart rate value has multiple, as it is shown on figure 3, described step 2 specifically includes:
Step 21, sets the timing of time block, and level acquisition module gathers blood in timing
The level of liquid variable signal；
Step 22, when the timing of time block arrives, processor module 4 decision level gathers mould
The level that block is collected, if the level that level acquisition module is collected is low level, then processor die
Block 4 adds up the time that low level occurs, and is designated as TLIf the level that level acquisition module is collected is
High level, then perform next step；
Step 23, processor module 4 adds up the time that high level occurs, and is designated as TH；
Step 24, if the front of high level appearance is once low level, then performs next step, if high level
The front high level that is once still occurred, then return step 22；
Step 25, processor module calculates the cycle T of instantaneous heart rate, T=TL+TH；
Step 26, according to formula instantaneous heart rate value=60000/T, i.e. can get instantaneous heart rate value (unit:
Millisecond MS).
As shown in Figure 4, the control method of the ear clip for measuring heart rate also includes step 10: performing institute
Before stating step 1, whether detection ear clip is worn.
Described step 10 includes:
Step 101, level acquisition module gathers the level of blood variable signal；
Step 102, processor module 4 detects whether level changes, if level does not change, then
Perform next step, if level changes, then detect that ear clip is worn, and open heart rate collection mould
Block 1；
Step 103, processor module 4 is added up the time that level does not change, is treated that this time arrives
The time preset, then detect that ear clip is not worn, and close heart rate acquisition module 1, if level does not has
Occur cumulative, then return step 102.
When detecting without wearing, start timing, when after timing to the time preset, it is believed that use
Person will not wear this ear clip for a long time, thus close heart rate acquisition module 1, it is to avoid ear clip the most not work
Make, reach to save the effect of electricity, when user reuses, it is only necessary to click on enable on the terminal device
Button, enables instruction and is sent to processor module 4 by low-power consumption bluetooth module, again open after processor
Aroused in interest rate acquisition module 1 is operated.
The method have the advantages that
One, the shape of the ear clip main body of present invention shape hard of hearing with human body is consistent, and during use, only need to will produce
Product are worn on the ear of human body, wear simpler and comfortable, have been greatly reinforced Consumer's Experience；
Two, the present invention gathers faint blood variable signal by infrared sensor, has highly sensitive and rings
Advantage should be waited soon, it is to avoid product directly contacts with human body skin, is suitable for daily monitoring at any time, survey
Measure simple to operate and convenient；
Three, present configuration is simple, designs ingenious, is first gathered faint blood by heart rate acquisition module 1 and becomes
Changing signal, blood variable signal is the most successively through signal amplification circuit module 2, data conversion module 3 and place
Reason device module 4 grade exports heart rate signal after processing, and heart rate signal is carried out finally by radio frequency transmission module 5
Transmission, makes measurement more real-time and accurate, improves the performance of product further.
Above-described embodiment and the product form of the graphic and non-limiting present invention and style, any belonging to technology neck
Suitably change that it is done by the those of ordinary skill in territory or modify, all should be regarded as without departing from the present invention is special
Profit category.
Claims (10)
1. the ear clip being used for measuring heart rate, it is characterised in that: include ear clip main body, ear clip main body
Shape is consistent with hard of hearing shape, and ear clip main body includes heart rate acquisition module, signal amplification circuit module, number
According to modular converter, processor module and radio frequency transmission module, heart rate acquisition module is sequentially connected with signal and amplifies
Circuit module, data conversion module, processor module and radio frequency transmission module, heart rate acquisition module is one
Infrared sensor.
A kind of ear clip for measuring heart rate the most according to claim 1, it is characterised in that: also wrap
Including charge management module, charge management module connects described processor module.
A kind of ear clip for measuring heart rate the most according to claim 1, it is characterised in that: also wrap
Include terminal unit, terminal unit and described radio frequency transmission module wireless connections.
A kind of ear clip for measuring heart rate the most according to claim 3, it is characterised in that: described
Radio frequency transmission module is bluetooth module.
A kind of ear clip for measuring heart rate the most according to claim 4, it is characterised in that: described
Bluetooth module is low-power consumption bluetooth module.
A kind of ear clip for measuring heart rate the most according to claim 1, it is characterised in that: also wrap
Including level acquisition module and time block, level acquisition module and time block connect described processor respectively
Module.
7. the control method being used for measuring the ear clip of heart rate, it is characterised in that comprise the following steps:
Step 1: heart rate acquisition module gathers the blood variable signal of n time at human body ear position, wherein,
n≥1；
Step 2: blood variable signal successively through signal amplification circuit module and the process of data conversion module,
Obtain n group instantaneous heart rate value, be designated as X successively1、X2、X3、……、Xn-1、Xn, wherein, X >=0；
Step 3: the front n group instantaneous heart rate value that step one is sampled by processor module adds up, and obtains
First cumulative and Sn, Sn=X1+X2+X3+……+Xn-1+Xn；
Step 4: processor module is to the first cumulative and SnAverage, obtain the first meansigma methods Vn,
Vn=Sn/n；
Step 5: heart rate acquisition module gathers blood variable signal (n+1)th time at human body ear position, depends on
Secondary through signal amplification circuit module with the process of data conversion module, obtain the instantaneous heart rate value of (n+1)th group,
And it is designated as Xn+1；
Step 6: according to formula Sn+1=Sn-Vn+Xn+1, seek the second cumulative and Sn+1；
Step 7: processor module is to the second cumulative and Sn+1Average, obtain the second meansigma methods Vn+1,
Vn+1=Sn+1/(n+1)；
Step 8: processor module is by the second meansigma methods Vn+1It is transmitted by radio frequency transmission module, from
And complete the measurement of heart rate.
The control method of the ear clip for measuring heart rate the most according to claim 7, its feature exists
In, described step 2 includes:
Step 21, sets the timing of time block, and level acquisition module gathers blood in timing
The level of liquid variable signal；
Step 22, when the timing of time block arrives, processor module decision level acquisition module
The level collected, if the level that level acquisition module is collected is low level, then processor module
The time that cumulative low level occurs, and it is designated as TLIf the level that level acquisition module is collected is high electricity
Flat, then perform next step；
Step 23, processor module adds up the time that high level occurs, and is designated as TH；
Step 24, if the front of high level appearance is once low level, then performs next step, if high level
The front high level that is once still occurred, then return step 22；
Step 25, processor module calculates the cycle T of instantaneous heart rate, T=TL+TH；
Step 26, according to formula instantaneous heart rate value=60000/T, i.e. can get instantaneous heart rate value (unit:
Millisecond MS).
The control method of the ear clip for measuring heart rate the most according to claim 8, its feature exists
In, also include step 10: before performing described step 1, detect whether ear clip is worn.
The control method of the ear clip for measuring heart rate the most according to claim 9, its feature exists
In, described step 10 includes:
Step 101, level acquisition module gathers the level of blood variable signal；
Step 102, whether processor module detection level changes, if level does not change, then holds
Row next step, if level changes, then detects that ear clip is worn, and opens heart rate acquisition module；
Step 103, the time that processor module statistics level does not change, treats that this time arrives pre-
If the good time, then detect that ear clip is not worn, and close heart rate acquisition module, if level does not occur
Cumulative, then return step 102.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610153621.2A CN105982659A (en) | 2016-03-17 | 2016-03-17 | Ear clip for measuring heart rate and control method thereof |
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| US20200330038A1 (en) * | 2019-04-19 | 2020-10-22 | 42 Health Sensor Holdings Ltd | Wearable cardiovascular monitoring device |
| US12207945B2 (en) * | 2019-04-19 | 2025-01-28 | 42 Health Sensor Holdings Ltd | Wearable cardiovascular monitoring device |
| CN111281363A (en) * | 2020-03-12 | 2020-06-16 | 重庆特斯联智慧科技股份有限公司 | Monitoring system for old people in smart community |
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