CN104013390B - Pulse detection control method - Google Patents
Pulse detection control method Download PDFInfo
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- CN104013390B CN104013390B CN201410252609.8A CN201410252609A CN104013390B CN 104013390 B CN104013390 B CN 104013390B CN 201410252609 A CN201410252609 A CN 201410252609A CN 104013390 B CN104013390 B CN 104013390B
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Abstract
The present invention proposes a kind of pulse detection control method, really pinpoint by setting in pulse curve figure, further according to amplitude detection to subsequent detection point at regular intervals, judge whether it is that pulse signal is the strongest or the most weak, if signal is the strongest, the amplitude of follow-up monitoring point will exceed certain limit with the difference of first point determined, the amplification thus controlling amplifier is gradually reduced, until meeting the requirements.And within the scope of this, the amplitude of pulse curve figure just can fill whole screen, and signal substantially and without departing from the scope of screen, facilitates the follow-up analysis to pulse signal, so user avoids the need for specially adjusting the degree of tightness of bandage when doing pulse signal detection, simple and convenient.
Description
Technical field
The present invention relates to pulse wave signal detection technique field, be especially a kind of pulse detection control method.
Background technology
The contraction of human body ventricular cycle and diastole cause contraction and the diastole of aorta, make blood stream pressure with ripple
Form starts to propagate along whole Arterial system from aortic root, and this ripple becomes pulse wave.Pulse wave institute in
The integrated information of the aspects such as the form, intensity, speed and the rhythm and pace of moving things that reveal, largely reflects human body painstaking effort
The flow characteristic of many physiological and pathologicals in guard system.
In modern medicine, no matter the traditional Chinese medical science or doctor trained in Western medicine, analyzed the physiology of human body by the waveform of human pulse ripple
This means of pathological information increasingly come into one's own.Currently in order to make the pulse information of human body objectify, the most general
All over the pulse information using electronic sphygmograph to detect human body, and by computer graphics, pulse information is depicted as arteries and veins
As figure, then redesign algorithm extracts the pathology in pulse condition, physiologic information, sets up pulse-taking database realizing pulse-taking
Automatization etc..Wherein for the collection of pulse signal, and whole pulse condition is then divided by drafting pulse chart exactly
Analyse particularly important.
Pulse detection of the prior art typically uses wrist carried pulse transducer, and it is by setting pressure transducer
On wrist strap, during detection, wrist strap is tied up in the wrist of people, and the position of pressure transducer is facing to tremulous pulse in wrist
Position, pressure transducer is constantly by the pressure signal transmission of tremulous pulse that detects to controller, and controller is adopted
The size of the pressure that sample record detects, and pressure and time plot are shown over the display.
Adopt the pulse chart that can draw human body in this way simply and easily, and shown.But it still has
Following deficiency: tightness difference or everyone the pulse signal power tied up due to wrist strap are different, and pressure passes
The signal of sensor has to be had by force weak, and the pressure of the display on such display amplitude when signal is stronger surpasses sometimes
Go out the scope of screen, and when signal is more weak, amplitude is inconspicuous, and medically to the analysis of pulse curve not
It is the analysis to pulse intensity, but the shape analysis beat pulse rule to whole pulse curve, it is analyzed,
And be not that the power to pulse is analyzed, therefore, if adjust will be right for the amplitude not to pulse signal
The analysis of pulse signal later is made troubles, usually will be according to the amplitude adjusted of pulse curve figure in prior art
The degree of tightness of bandage, so that whole pulse curve obtains completely representing clearly in screen, adopts in this way
It is cumbersome, it has not been convenient to.
Summary of the invention
The technical problem to be solved is, overcomes the defect of prior art, it is provided that one can be right
Pulse curve figure automatically adjusts, and makes the pulse detection control method that pulse magnitude size is essentially identical.
For solving above-mentioned technical problem, the present invention proposes a kind of pulse detection control method, and it comprises the following steps:
S1, detect pressure by pulse transducer, pressure is become pulse curve figure also for the curve plotting of time
Show over the display；
S2, using in pulse curve figure certain determine o'clock as first some A, follow-up every n time detecting extremely
A few point, it is ensured that the amplitude of follow-up each point and the Magnitude Difference of A point are in certain scope, if difference
The least, then the amplifying circuit in pulse transducer signal acquisition circuit is constantly increased the behaviour of amplification
Make, until the Magnitude Difference of the amplitude of the follow-up each point after amplifying and A point is within limits, then stop
Only increase amplification；
If S3 difference is too big, then the amplifying circuit in pulse transducer signal acquisition circuit is amplified multiple
Ever-reduced operation, until, the amplitude of the follow-up each point after amplification and the Magnitude Difference of A point are necessarily
Within the scope of, then stop reducing amplification.
As an embodiment, described step S2 is, using one of them minimum point in pulse curve figure as
One some A, follow-up is followed successively by B, C every 2 points of n time detecting, if the amplitude of B point subtracts A point
Amplitude is within the scope of (m1, m2), and the amplitude of C point subtracts the amplitude of A point within the scope of (m3, m4),
If the amplitude of B point subtracts the amplitude of A point less than m1, and the amplitude of C point deducts the amplitude of A point and is less than m3,
So it is judged as signal intensity the most weak, then be just gradually increased the signal amplification that pulse transducer is connected with single-chip microcomputer
The amplification of circuit, if until the amplitude that the amplitude of B point subtracts A point is more than or equal to m1, and the width of C point
Value deducts the amplitude of A point more than or equal to m3；
If the amplitude that the amplitude that step S3 is B point subtracts A point is more than m2, and the amplitude of C point deducts A point
Amplitude is more than m4, then be judged as signal intensity the strongest, then be gradually decreased pulse transducer and single-chip microcomputer
The amplification of the signal amplification circuit being connected, if until the amplitude that the amplitude of B point subtracts A point is less than or equal to
M2, and the amplitude of C point deducts the amplitude of A point less than or equal to m4；
As another embodiment, described step S2 is, using one of them minimum point in pulse curve figure as
First some A, follow-up is followed successively by B, C, D every 3 points of n time detecting, if the amplitude of B point subtracts
The amplitude of A point is within the scope of (m1, m2), and the amplitude of C point subtracts the amplitude of A point at (m3, m4) model
Within enclosing, the amplitude of D point subtracts the amplitude of A point within the scope of (m5, m6), if the amplitude of B point subtracts A point
Amplitude less than m1, and the amplitude of C point deducts the amplitude of A point and is less than the amplitude of m3, D point and deducts A point
Amplitude less than m5, then be judged as signal intensity the most weak, then be just gradually increased pulse transducer and single-chip microcomputer
The amplification of the signal amplification circuit being connected, if until the amplitude that the amplitude of B point subtracts A point is more than or equal to
M1, and the amplitude of C point deducts the amplitude of A point and deducts the amplitude of A point more than or equal to the amplitude of m3, D point
Big with equal to m5；
If the amplitude that the amplitude that step S3 is B point subtracts A point is more than m2, and the amplitude of C point deducts A point
Amplitude deducts the amplitude of A point more than m6 more than the amplitude of m4, D point, then be judged as signal intensity too strong,
So it is gradually decreased the amplification of the signal amplification circuit that pulse transducer is connected with single-chip microcomputer, if until
The amplitude of B point subtracts the amplitude of A point less than or equal to m2, and the amplitude of C point deducts the amplitude of A point and is less than or equal to
The amplitude of m4, D point deducts the amplitude of A point less than or equal to m6；
In above-mentioned two embodiment, described refer to every (0.02～the 0.2) second every the n time.
Use above-mentioned means, owing to pulse signal figure is one to have and periodically have the curve of beating of certain rule,
Really pinpoint, such as minimum point, namely a pulse pressure in pulse curve figure by setting in pulse curve figure
The point that power is minimum, further according to amplitude detection to subsequent detection point at regular intervals, judge whether be
Pulse signal is the strongest or the most weak, if signal is the strongest, then the amplitude of follow-up monitoring point and first determined
The difference of point will exceed certain limit, and the amplification thus controlling amplifier is gradually reduced, until meeting
Requirement, and within the scope of this, the amplitude of pulse curve figure just can fill whole screen, signal is obvious
And without departing from the scope of screen, facilitating the follow-up analysis to pulse signal, such user is doing pulse signal inspection
Avoid the need for specially adjusting the degree of tightness of bandage during survey, simple and convenient.
Accompanying drawing explanation
Fig. 1 is the example of pulse curve figure；
Detailed description of the invention
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings:
The present invention is used a kind of pulse detection control method, and it comprises the following steps:
S1, detect pressure by pulse transducer, pressure is become pulse curve figure also for the curve plotting of time
Show over the display；Pulse transducer detection pressure, is amplified signal by amplifier and is delivered in single-chip microcomputer,
Single-chip microcomputer carries out sampling and draw out pulse curve figure and shows over the display.
S2, using in pulse curve figure certain determine o'clock as first some A, follow-up every n time detecting extremely
A few point, it is ensured that the amplitude of follow-up each point and the Magnitude Difference of A point are in certain scope, if difference
The least, then the amplifying circuit in pulse transducer signal acquisition circuit is constantly increased the behaviour of amplification
Make, until the Magnitude Difference of the amplitude of the follow-up each point after amplifying and A point is within limits, then stop
Only increase amplification；
If S3 difference is too big, then the amplifying circuit in pulse transducer signal acquisition circuit is amplified multiple
Ever-reduced operation, until, the amplitude of the follow-up each point after amplification and the Magnitude Difference of A point are necessarily
Within the scope of, then stop reducing amplification.
As an embodiment, described step S2 is, using one of them minimum point in pulse curve figure as
One some A, follow-up is followed successively by B, C every 2 points of n time detecting, if the amplitude of B point subtracts A point
Amplitude is within the scope of (m1, m2), and the amplitude of C point subtracts the amplitude of A point within the scope of (m3, m4),
If the amplitude of B point subtracts the amplitude of A point less than m1, and the amplitude of C point deducts the amplitude of A point and is less than m3,
So it is judged as signal intensity the most weak, then be just gradually increased the signal amplification that pulse transducer is connected with single-chip microcomputer
The amplification of circuit, if until the amplitude that the amplitude of B point subtracts A point is more than or equal to m1, and the width of C point
Value deducts the amplitude of A point more than or equal to m3；
If the amplitude that the amplitude that step S3 is B point subtracts A point is more than m2, and the amplitude of C point deducts A point
Amplitude is more than m4, then be judged as signal intensity the strongest, then be gradually decreased pulse transducer and single-chip microcomputer
The amplification of the signal amplification circuit being connected, if until the amplitude that the amplitude of B point subtracts A point is less than or equal to
M2, and the amplitude of C point deducts the amplitude of A point less than or equal to m4；
In embodiment, horizontal axis representing time in pulse curve figure, the longitudinal axis represents amplitude, at LCD Panel
In determine that due to the pel spacing between liquid crystal, therefore amplitude can represent by pixel, it is also possible to milli
Rice represents.The present embodiment use pixel represent.In embodiment one, time interval is 0.05 second, if B
With the scope of the difference in magnitude of A within (6,8), the scope of the difference in magnitude of C Yu A (15,18) it
In, if the difference in magnitude of B Yu A is less than 6, and the difference in magnitude of C Yu A is less than 15, then mean that signal
Intensity is the lowest, the most automatically the amplification of the signal amplification circuit in raising pulse signal Acquisition Circuit, and signal is put
Amplifier in big circuit uses the amplifier of adjustable magnification, and such signal can gradually become strong, at pulse curve figure
In display be exactly that the amplitude of pulse curve becomes big gradually, until the difference in magnitude of B Yu A is more than or equal to 6,
And C Yu A difference in magnitude is more than or equal to 15, stop increasing the amplification of signal amplification circuit.Pulse curve
Amplitude would not continue strengthen.Otherwise when the difference in magnitude of B Yu A is more than 8, and the difference in magnitude of C with A is big
In 18 time, then it is gradually reduced the amplification of signal amplification circuit.So pulse signal in pulse curve figure
Amplitude will be gradually reduced, until the amplitude of B Yu A is less than or equal to 8, and the amplitude of C with A is less than or equal to
18, time, stop reducing the amplification of amplifying circuit.Use the detection method of two points of continuous acquisition, permissible
Prevent certain point to be because signal fluctuation and exception occurs, made automatically adjusting of pulse signal more accurate.
As another embodiment, described step S2 is, using one of them minimum point in pulse curve figure as
First some A, follow-up is followed successively by B, C, D every 3 points of n time detecting, if the amplitude of B point subtracts
The amplitude of A point is within the scope of (m1, m2), and the amplitude of C point subtracts the amplitude of A point at (m3, m4) model
Within enclosing, the amplitude of D point subtracts the amplitude of A point within the scope of (m5, m6), if the amplitude of B point subtracts A point
Amplitude less than m1, and the amplitude of C point deducts the amplitude of A point and is less than the amplitude of m3, D point and deducts A point
Amplitude less than m5, then be judged as signal intensity the most weak, then be just gradually increased pulse transducer and single-chip microcomputer
The amplification of the signal amplification circuit being connected, if until the amplitude that the amplitude of B point subtracts A point is more than or equal to
M1, and the amplitude of C point deducts the amplitude of A point and deducts the amplitude of A point more than or equal to the amplitude of m3, D point
Big with equal to m5；
If the amplitude that the amplitude that step S3 is B point subtracts A point is more than m2, and the amplitude of C point deducts A point
Amplitude deducts the amplitude of A point more than m6 more than the amplitude of m4, D point, then be judged as signal intensity too strong,
So it is gradually decreased the amplification of the signal amplification circuit that pulse transducer is connected with single-chip microcomputer, if until
The amplitude of B point subtracts the amplitude of A point less than or equal to m2, and the amplitude of C point deducts the amplitude of A point and is less than or equal to
The amplitude of m4, D point deducts the amplitude of A point less than or equal to m6；
Use and determine that continuous three points after first are monitored, make automatically to adjust more accurate.
In above-mentioned two embodiment, described refer to every (0.02～the 0.2) second every the n time.
Certain first point can also be other point in pulse curve, but must be it has been determined that good
Point, as reached peak during first peak value in a pulse cycle.Thus may determine that walking of subsequent point
To, it is possible to the amplitude determining pulse curve is strong or weak.
Fig. 1 represents it is pulse curve figure, and therein 1,2,3,4,5 all represent a cycle.Can be seen that
The junction in the 1st cycle and the 2nd cycle is minimum point, and two embodiments in the application all use this
O'clock as first point.
Claims (4)
1. a pulse detection control method, it is characterised in that it comprises the following steps:
S1, by pulse transducer detect pressure, pressure is become pulse curve figure for the curve plotting of time and shows over the display；
S2, using in pulse curve figure certain determine o'clock as first some A, follow-up every at least one point of n time detecting, ensure that the amplitude of the follow-up each some amplitude difference with A point is in certain scope, if difference is less than this scope, then the amplifying circuit in pulse transducer signal acquisition circuit is constantly increased the operation of amplification, until the amplitude difference of amplitude and the A point of follow-up each point after amplifying is within limits, then stop increase amplification；
If S3 difference is more than this scope, then the amplifying circuit in pulse transducer signal acquisition circuit is amplified the ever-reduced operation of multiple, until, the amplitude of the follow-up each point after amplification with the amplitude difference of A point within limits, then stops reducing amplification.
Pulse detection control method the most according to claim 1, it is characterized in that, described step S2 is, using one of them minimum point in pulse curve figure as first some A, follow-up every 2 points of n time detecting, it is followed successively by B, C, if the amplitude of B point subtracts the amplitude of A point at (m1, m2) within the scope of, the amplitude of C point subtracts the amplitude of A point at (m3, m4) within the scope of, if the amplitude of B point subtracts the amplitude of A point less than m1, and the amplitude of C point deducts the amplitude of A point less than m3, so it is judged as signal intensity the most weak, the most just it is gradually increased the amplification of the signal amplification circuit that pulse transducer is connected with single-chip microcomputer, until the amplitude of B point subtracts the amplitude of A point more than or equal to m1, and the amplitude of C point deducts the amplitude of A point more than or equal to m3；
If the amplitude that step S3 is B point subtracts the amplitude of A point more than m2, and the amplitude of C point deducts the amplitude of A point more than m4, so it is judged as signal intensity the strongest, so it is gradually decreased the amplification of the signal amplification circuit that pulse transducer is connected with single-chip microcomputer, until the amplitude that the amplitude of B point subtracts A point is less than or equal to m2, and the amplitude of C point deducts the amplitude of A point less than or equal to m4.
nullPulse detection control method the most according to claim 1，It is characterized in that，Described step S2 is，Using one of them minimum point in pulse curve figure as first some A，Follow-up every 3 points of n time detecting，It is followed successively by B、C、D，If the amplitude of B point subtracts the amplitude of A point at (m1，M2) within the scope of，The amplitude of C point subtracts the amplitude of A point at (m3,M4) within the scope of，The amplitude of D point subtracts the amplitude of A point at (m5，M6) within the scope of，If the amplitude of B point subtracts the amplitude of A point less than m1，And the amplitude of C point deducts the amplitude of A point less than m3，The amplitude of D point deducts the amplitude of A point less than m5,So it is judged as signal intensity the most weak，The most just it is gradually increased the amplification of the signal amplification circuit that pulse transducer is connected with single-chip microcomputer，Until the amplitude of B point subtracts the amplitude of A point more than or equal to m1，And the amplitude of C point deducts the amplitude of A point more than or equal to m3，The amplitude of D point deduct the amplitude of A point big with equal to m5；
If the amplitude that step S3 is B point subtracts the amplitude of A point more than m2, and the amplitude of C point deducts the amplitude of A point more than m4, the amplitude of D point deducts the amplitude of A point more than m6, so it is judged as signal intensity the strongest, so it is gradually decreased the amplification of the signal amplification circuit that pulse transducer is connected with single-chip microcomputer, until the amplitude of B point subtracts the amplitude of A point less than or equal to m2, and the amplitude of C point deducts the amplitude of A point and is less than or equal to the amplitude of m4, D point and deducts the amplitude of A point and be less than or equal to m6.
4. according to the pulse detection control method described in claim 1 or 2 or 3, it is characterised in that described refer to every 0.02～0.2 second every the n time.
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| CN104013390B true CN104013390B (en) | 2016-08-24 |
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| CN105361872B (en) * | 2015-12-10 | 2018-09-04 | 美的集团股份有限公司 | Sphygmomanometer girding bundlees detection method and device |
| CN108135513B (en) * | 2016-08-09 | 2021-02-12 | 深圳市汇顶科技股份有限公司 | Key operation triggering method, device and system based on heart rate signal |
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| US6099478A (en) * | 1997-03-18 | 2000-08-08 | Seiko Epson Corporation | Pulse counter and pulse display method |
| CN101406394A (en) * | 2008-10-28 | 2009-04-15 | 浙江大学 | LCD screen electro-cardio R-R interval left-aligning wave-by-wave display method and device |
| CN102038499A (en) * | 2010-12-02 | 2011-05-04 | 广东宝莱特医用科技股份有限公司 | Automatic gain-regulated output method for waveform drawing of multi-channel electrocardiograph |
| CN102579038A (en) * | 2012-03-28 | 2012-07-18 | 深圳市理邦精密仪器股份有限公司 | Method and device for automatically configuring electrocardiographic wave data |
| CN103054567A (en) * | 2012-12-31 | 2013-04-24 | 邓亲恺 | Individual adaptive pressure increasing and decreasing control method for electronic sphygmomanometer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6893401B2 (en) * | 2001-07-27 | 2005-05-17 | Vsm Medtech Ltd. | Continuous non-invasive blood pressure monitoring method and apparatus |
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2014
- 2014-06-09 CN CN201410252609.8A patent/CN104013390B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6099478A (en) * | 1997-03-18 | 2000-08-08 | Seiko Epson Corporation | Pulse counter and pulse display method |
| CN101406394A (en) * | 2008-10-28 | 2009-04-15 | 浙江大学 | LCD screen electro-cardio R-R interval left-aligning wave-by-wave display method and device |
| CN102038499A (en) * | 2010-12-02 | 2011-05-04 | 广东宝莱特医用科技股份有限公司 | Automatic gain-regulated output method for waveform drawing of multi-channel electrocardiograph |
| CN102579038A (en) * | 2012-03-28 | 2012-07-18 | 深圳市理邦精密仪器股份有限公司 | Method and device for automatically configuring electrocardiographic wave data |
| CN103054567A (en) * | 2012-12-31 | 2013-04-24 | 邓亲恺 | Individual adaptive pressure increasing and decreasing control method for electronic sphygmomanometer |
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