CN109717857A - A kind of heartbeat detecting method and detection device based on dynamic benchmark database - Google Patents
A kind of heartbeat detecting method and detection device based on dynamic benchmark database Download PDFInfo
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- CN109717857A CN109717857A CN201711056949.3A CN201711056949A CN109717857A CN 109717857 A CN109717857 A CN 109717857A CN 201711056949 A CN201711056949 A CN 201711056949A CN 109717857 A CN109717857 A CN 109717857A
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Abstract
The present invention provides a kind of heartbeat detecting method and detection device based on dynamic benchmark database, the detection method includes obtaining human heartbeat's signal using crystal oscillator, heartbeat signal is handled, sampled signal is obtained from the heartbeat signal of acquisition, heartbeat reference signal is calculated using sampled signal, the step of being compared using heartbeat reference signal with acquired heartbeat signal, the detection device includes by heartbeat sensor, signal processing module, sampling module, the circuit system of central processing unit and comparator connection composition, using technical solution provided by the invention, corresponding dynamic heartbeat reference signal is established for each independent human body situation, obtain accurate heartbeat signal comparison result, reduce erroneous judgement, improve detection accuracy, furthermore, heartbeat signal is improved by detection device Intensity and signal-to-noise ratio reduce the injury to human body, and it is convenient to operate.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of heartbeat detection sides based on dynamic benchmark database
Method and detection device.
Background technique
With the development of economy, the living standard of people increasingly improves, and more and more people are for itself and family
The attention rate of the health of people is continuously improved, and health problem has become focus concerned by people, and heartbeat is whether evaluation human body is good for
One of important evidence of health, and heartbeat health parameters generally can directly measure on human body surface, high-precision inspection
The analysis for surveying parameters on human health status plays an important role, currently, in the market for detecting the sensor of human heartbeat
It is most of to use photoplethymograph, based on cardinal principle be: why blood is presented red, be reflected due to blood it is red
Light simultaneously absorbs green light, and heartbeat sensor uses green LED lamp, cooperates photosensitive photoreceptor, and detection any point-in-time flows through
The blood flow of human body artery blood vessel, when heartbeat, the blood flow for flowing through human body artery blood vessel increases, the green light absorbed
Also increase, and blood flow can then be reduced during eartbeat interval, the LED light flashed by hundreds of times every second, we can calculate
Beats per minute out, that is, heart rate, such as: the patent document of Publication No. " CN106821361A " discloses one
The optically focused auxiliary device of the simple heart rate sensor measurement precision of kind, apparatus system are using made of silicone-hydrogel material half
The device of opening.Apparatus system by two-way silicone-hydrogel convex lens group at；But since the calculating of heart rate is still adopted in the invention
It is measured and is calculated with photoplethymograph, this forms higher technical threshold, to skill to those skilled in the art
Art personnel requirement is higher, and operation is inconvenient, and due to being detected to the blood flow in arteries, works as blood flow
Also the detection accuracy of heart rate is very likely influenced when slower, for another example, the patent document of Publication No. " CN101102812A " is open
A kind of cardiac signal data that obtains of providing with template data set and the template of template parameter is to the improvement school of storage template
Quasi- method.More specifically, in illustrative method, believe first with the heart that the template parameter configuration of storage template obtains
Number.Then, once configuration is completed, the heart signal that just will acquire is compared with storage template.Other embodiments include that can plant
Enter cardiac treatment devices, which includes the operation circuit for being configured to execute the illustrative method.In other embodiments, can make
With more than one storage template.Each template can have the template of standalone configuration, allow the heart signal individually obtained sharp
With the first parameter configuration compared with the first template, and second parameter configuration of the utilization compared with the second template；Due to the hair
It is bright to need for heart rate detector to be implanted into human skin, and the device also can in use while generating electrode signal
It is enough to generate corresponding electromagnetic signal, and electromagnetic signal easily causes damages to human health, therefore, which is difficult to obtain wide
General popularization.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of heartbeat detecting method based on dynamic benchmark database and
Detection device.
It is described to be based on dynamic benchmark data the present invention provides a kind of heartbeat detecting method based on dynamic benchmark database
The heartbeat detecting method in library the following steps are included:
Step 1: heartbeat signal is obtained using the crystal oscillator being attached in human chest surface；
Step 2: setting a period of time is used as the sampling time, and the sampling time is divided into multiple sampled points, is successively existed
Each sampled point obtains multiple sampled signals by crystal oscillator described in step 1；
Step 3: heartbeat reference signal is calculated in the sampled signal according to step 2；
Step 4: heartbeat signal described in heartbeat reference signal described in comparison step three and step 1 obtains comparison result letter
Number.
The quantity of sampled signal described in the step 2 is at least 2.
Heartbeat signal is obtained using the crystal oscillator being attached in human chest surface described in the step 1 also to wrap
Include the heartbeat signal is filtered, is amplified, analog-to-digital conversion process.
It is normal or abnormal that the step 4, which further includes by comparison result Modulation recognition,.
It is described to be based on dynamic benchmark number the present invention also provides a kind of heartbeat detection device based on dynamic benchmark database
It is described according to heartbeat detection device heartbeat sensor, signal processing module, sampling module, central processing unit and the comparator in library
The output end of heartbeat sensor is connect with the input terminal of the signal processing module, the output end of the signal processing module and institute
State the input terminal connection of sampling module, the output end of the signal processing module, sampling module output end in parallel with it is described
The input terminal of comparator connects, and the output end of the central processing unit and the input terminal of sampling module connect.
The heartbeat detection device based on dynamic benchmark database further includes display module, the input terminal of display module with
The output end of the comparator connects.
The heartbeat sensor includes crystal oscillator.
The signal processing module includes the filter successively connecting with the heartbeat sensor output end, voltage controlled oscillation
Device, signal amplifier and A/D converter, output end of the output end of A/D converter as the signal processing module.
The sampling module includes sampler, average calculator, reference signal, memory and timer, and the of sampler
Input terminal of one input terminal as the sampling module, average calculator, reference signal are successively connect with the output end of sampler,
Output end of the output end of memory as the sampling module, the output end of timer and the second input terminal of sampler connect
It connects, the input terminal of timer is connect with the central processing unit.
The heartbeat detection device based on dynamic benchmark database further includes casing and spy made of aluminum alloy materials
Device shell is surveyed, the signal processing module, sampling module, central processing unit, comparator and display module are mounted in casing, institute
Heartbeat sensor is stated to be installed in detector shell.
The beneficial effects of the present invention are:
Using a kind of heartbeat detecting method and detection device based on dynamic benchmark database provided by the present invention, according to
The difference of human individual's physical condition samples its heartbeat heartbeat signal for the physical condition of each independent human body
And collection, to establish the dynamic heartbeat reference signal data library for giving the opposition human body, the reference signal data library with
Human individual's physical condition, environmental factor and emotional status variation and change, use the letter in the reference signal data library
It number is compared with an institute collected heartbeat signal, therefore, it is determined that the unusual condition that human body heartbeat signal occurs out, compared to existing
There is technology, establishes database on the basis of respecting fully a human body specific characteristic, comparison result obtained is also more quasi-
Really, traditional heartbeat signal that is difficult to find due to the unified benchmark database of use is avoided to believe extremely or by normal heartbeat
Number it is mistaken for abnormal situation；In addition, the present invention also provides a kind of heartbeat detection device based on dynamic benchmark database, it should
Detection device forms heartbeat sensor using crystal oscillator, and collected heartbeat signal has been carried out filtering, amplification, filtering etc.
Processing, to make heartbeat sensor output signal more tend to stablize, and sensitivity with higher and signal-to-noise ratio, and heartbeat senses
Device does not use traditional photoelectric detecting method both woth no need to be implanted into human skin yet, reduces the injury to human body, operation is just
Victory, it is easy to use.
Detailed description of the invention
Fig. 1 is the flow chart of detection method；
Fig. 2 is the connection figure of detection device of the present invention；
Fig. 3 is the structural schematic diagram of detection device of the present invention.
In figure: 1- casing, 2- detector shell.
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
The present invention provides a kind of heartbeat detecting method and detection device based on dynamic benchmark database.
The heartbeat detecting method based on dynamic benchmark database the following steps are included:
Step 1: heartbeat signal is obtained using the crystal oscillator being attached in human chest surface；
Step 2: setting a period of time is used as the sampling time, multiple sampled points will be divided into the sampling time, successively each
Sampled point obtains multiple sampled signals by step 1 crystal oscillator；
Step 3: heartbeat reference signal is calculated according to step 2 sampled signal；
Step 4: three heartbeat reference signal of comparison step and step 1 obtain heartbeat signal, obtain comparison result signal.
Using a kind of heartbeat detecting method and detection device based on dynamic benchmark database provided by the present invention, according to
The difference of human individual's physical condition samples its heartbeat heartbeat signal for the physical condition of each independent human body
And collection, to establish the dynamic heartbeat reference signal data library for giving the opposition human body, the reference signal data library with
Human individual's physical condition, environmental factor and emotional status variation and change, use the letter in the reference signal data library
It number is compared with an institute collected heartbeat signal, therefore, it is determined that the unusual condition that human body heartbeat signal occurs out, compared to existing
There is technology, establishes database on the basis of respecting fully a human body specific characteristic, comparison result obtained is also more quasi-
Really, traditional heartbeat signal that is difficult to find due to the unified benchmark database of use is avoided to believe extremely or by normal heartbeat
Number it is mistaken for abnormal situation.
Further, the quantity of sampled signal is at least 2 in step 2.Further, sampled signal should include sampling
The sampled signal of several random sampled points, obtained in this way to adopt among time starting point, end point and sampling time
Sample signal is more acurrate, reduces the influence of the variation of personal physical condition, environmental factor and emotional status.
Obtaining heartbeat signal using the crystal oscillator being attached in human chest surface in step 1 further includes to heartbeat
Signal is filtered, amplifies, analog-to-digital conversion process.
It is normal or abnormal that step 4, which further includes by comparison result Modulation recognition,.
The present invention also provides a kind of heartbeat detection devices based on dynamic benchmark database, including heartbeat sensor, letter
Number processing module, sampling module, central processing unit and comparator, the output end of heartbeat sensor and signal processing module it is defeated
Enter end connection, the output end of signal processing module and the input terminal of sampling module connect, the output end of signal processing module, sampling
The output end of module is connect with the input terminal of comparator in parallel, and the output end of central processing unit and the input terminal of sampling module connect
It connects.Using the present invention provides a kind of heartbeat detection device based on dynamic benchmark database, which is shaken using crystal
Device composition heartbeat sensor is swung, collected heartbeat signal has been subjected to the processing such as filtering, amplification, filtering, so that heartbeat be made to pass
Sensor output signal more tends to stablize, and sensitivity with higher and signal-to-noise ratio, and heartbeat sensor is both woth no need to being implanted into people
In body skin, traditional photoelectric detecting method is not used yet, reduces the injury to human body, it is convenient to operate, easy to use.
The heartbeat detection device based on dynamic benchmark database further includes display module, the input terminal of display module with
The output end of comparator connects.Further, display module is preferably LCD display screen, to reduce manufacturing cost.
Further, sampling module includes sampler, average calculator, reference signal memory and timer, sampler
Input terminal of the first input end as sampling module, average calculator, reference signal successively connect with the output end of sampler,
Output end of the output end of memory as sampling module, the output end of timer and the second input terminal of sampler connect, fixed
When device input terminal connect with central processing unit.Further, average calculator is arithmetic mean of instantaneous value calculator, it is preferable to use type
Number be SC3449 single chip CMOS integrated chip, for calculating the arithmetic mean of instantaneous value of heartbeat signal amplitude；Timer is for setting
Sampling time, preferably sampling time are set as 72s or more, and the sampling time can be by inputting in central processing unit, by central processing
Device control setting, it is preferable to use singlechip groups at reference signal memory is for storing the heartbeat being calculated for central processing unit
Reference signal, compared with prior art, power consumption needed for sampling module and signal processing module of the present invention are smaller, reduce electromagnetism spoke
The influence to human body is penetrated, use is safer.
Further, heartbeat sensor includes crystal oscillator.Further, signal processing module include successively with heartbeat
Filter, voltage controlled oscillator, signal amplifier and the A/D converter of sensor output connection, the output end of A/D converter
Output end as signal processing module.Further, filter is low-pass filter.Using technical side provided by the invention
Case first passes around the influence that low-pass filter has filtered out noise by heartbeat signal acquired in heartbeat sensor, using pressure
Control oscillator makes acquired heartbeat signal frequency tend towards stability, so as to be adapted to the frequency of receiving crystal oscillator chip,
Optimize signal reception, is finally conveyed to A/D converter again after signal amplifier amplifies and is converted to digital signal, a side
Face is compared convenient for comparator, on the other hand also improves the precision of heartbeat signal, convenient for comparison result is output to display
It is shown in module.
Heartbeat detection device based on dynamic benchmark database further includes casing 1 and detector made of aluminum alloy materials
Shell 2, signal processing module, sampling module, central processing unit, comparator and display module are mounted in casing 1, heartbeat sensing
Device is installed in detector shell 2.Using technical solution provided by the invention, the casing 1 manufactured using aluminum alloy materials and detection
Device shell 2, on the other hand on the one hand shielding injury of the Weak magentic-field of circuit generation in system to human body makes detection device weight
Amount and volume are smaller, easy to carry and operation.
Claims (10)
1. a kind of heartbeat detecting method based on dynamic benchmark database, it is characterised in that: the following steps are included:
Step 1: heartbeat signal is obtained using the crystal oscillator being attached in human chest surface；
Step 2: setting a period of time is used as the sampling time, the sampling time is divided into multiple sampled points, successively each
Sampled point obtains multiple sampled signals by crystal oscillator described in step 1；
Step 3: heartbeat reference signal is calculated in the sampled signal according to step 2；
Step 4: heartbeat signal described in heartbeat reference signal described in comparison step three and step 1 obtains comparison result signal.
2. heartbeat detecting method and detection device as described in claim 1 based on dynamic benchmark database, it is characterised in that:
The quantity of sampled signal described in the step 2 is at least 2.
3. heartbeat detecting method and detection device as described in claim 1 based on dynamic benchmark database, it is characterised in that:
Obtaining heartbeat signal using the crystal oscillator being attached in human chest surface described in the step 1 further includes to described
Heartbeat signal is filtered, amplifies, analog-to-digital conversion process.
4. heartbeat detecting method and detection device as described in claim 1 based on dynamic benchmark database, it is characterised in that:
It is normal or abnormal that the step 4, which further includes by comparison result Modulation recognition,.
5. a kind of heartbeat detection device based on dynamic benchmark database, it is characterised in that: including heartbeat sensor, signal processing
Module, sampling module, central processing unit and comparator, the output end of the heartbeat sensor and the signal processing module
Input terminal connection, the output end of the signal processing module are connect with the input terminal of the sampling module, the signal processing mould
The output end of block, the output end of sampling module are connect with the input terminal of the comparator in parallel, the central processing unit it is defeated
The connection of the input terminal of outlet and sampling module.
6. as claimed in claim 5 based on the heartbeat detection device of dynamic benchmark database, it is characterised in that: described based on dynamic
The heartbeat detection device of state benchmark database further includes display module, the output end of the input terminal of display module and the comparator
Connection.
7. as claimed in claim 5 based on the heartbeat detection device of dynamic benchmark database, it is characterised in that: the heartbeat passes
Sensor includes crystal oscillator.
8. as claimed in claim 5 based on the heartbeat detection device of dynamic benchmark database, it is characterised in that: at the signal
Managing module includes filter, voltage controlled oscillator, signal amplifier and the A/D successively connecting with the heartbeat sensor output end
Converter, output end of the output end of A/D converter as the signal processing module.
9. as claimed in claim 5 based on the heartbeat detection device of dynamic benchmark database, it is characterised in that: the sampling mould
Block includes sampler, average calculator, reference signal, memory and timer, is adopted described in the first input end conduct of sampler
The input terminal of egf block, average calculator, reference signal are successively connect with the output end of sampler, the output end conduct of memory
Second input terminal of the output end of the sampling module, the output end of timer and sampler connects, the input terminal of timer with
The central processing unit connection.
10. as claimed in claim 5 based on the heartbeat detection device of dynamic benchmark database, it is characterised in that: described to be based on
The heartbeat detection device of dynamic benchmark database further includes the casing made of aluminum alloy materials (1) and detector shell (2), described
Signal processing module, sampling module, central processing unit, comparator and display module are mounted in casing (1), and the heartbeat passes
Sensor is installed in detector shell (2).
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2007066343A2 (en) * | 2005-12-08 | 2007-06-14 | Dan Furman | Implantable biosensor assembly and health monitoring system |
| CN101102812A (en) * | 2004-11-29 | 2008-01-09 | 卡梅伦保健公司 | Method and apparatus for beat alignment and comparison |
| CN103860154A (en) * | 2014-02-27 | 2014-06-18 | 中国人民解放军第三军医大学 | Non-contact type wearable type cardiorespiratory activity device based on magnetic induction |
| CN104586378A (en) * | 2015-01-21 | 2015-05-06 | 深圳市理邦精密仪器股份有限公司 | Method and device for outputting fetal heart rate curve |
| CN206183253U (en) * | 2016-06-02 | 2017-05-24 | 铜雀梦乔（天津）科技发展有限公司 | Individual physical examination device of portable intelligence |
-
2017
- 2017-10-27 CN CN201711056949.3A patent/CN109717857A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101102812A (en) * | 2004-11-29 | 2008-01-09 | 卡梅伦保健公司 | Method and apparatus for beat alignment and comparison |
| WO2007066343A2 (en) * | 2005-12-08 | 2007-06-14 | Dan Furman | Implantable biosensor assembly and health monitoring system |
| CN103860154A (en) * | 2014-02-27 | 2014-06-18 | 中国人民解放军第三军医大学 | Non-contact type wearable type cardiorespiratory activity device based on magnetic induction |
| CN104586378A (en) * | 2015-01-21 | 2015-05-06 | 深圳市理邦精密仪器股份有限公司 | Method and device for outputting fetal heart rate curve |
| CN206183253U (en) * | 2016-06-02 | 2017-05-24 | 铜雀梦乔（天津）科技发展有限公司 | Individual physical examination device of portable intelligence |
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