CN103300835B - High-precision human pulse measurement system - Google Patents
High-precision human pulse measurement system Download PDFInfo
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- CN103300835B CN103300835B CN201310204205.7A CN201310204205A CN103300835B CN 103300835 B CN103300835 B CN 103300835B CN 201310204205 A CN201310204205 A CN 201310204205A CN 103300835 B CN103300835 B CN 103300835B
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Abstract
A high-precision human pulse measurement system comprises a base, three probes, strain-type force sensors, an air bag and a data acquisition and processing system, wherein the three strain-type sensors are respectively positioned at the three probes at different positions and mainly used for measuring the pulses of Cun, Guan and Chi; the probes are mounted on the base through flexible beams and clamps, with fine-tuned relative positions; the air bag is positioned below the probes and mounted at the bottom of the base, and can simulate best pulse pressure through pressurizing; and pressure fluctuation signals at different positions can be measured through full-bridge connection of four strain gages. During testing, a human body pulse point is relatively fixed with the base, all strain-type sensors are connected with the data acquisition and processing system through conducting wires. According to the invention, the system can accurately measure a disturbing force of a micro-vibration source and is high in measuring accuracy.
Description
Technical field
The present invention relates to a kind of High-precision human pulse measurement system, can be used for carrying out kinetic measurement to the vibration signal of the pulse at human body cun, guan and chi, three places at the wrist where the pulse is usually taken three place.
Background technology
China is the cradle of pulse wave spectrum technology, in theory of Chinese medical science most diagnostic method all with pulse-taking technology for foundation, by it can understand patient the state of an illness, grasp the cause of disease, determine therapeutic scheme prediction etc.As can be seen here, pulse-taking technology occupies the position be not of the common run in the traditional Chinese medical science four diagnostic methods.As far back as threeth century of Christian era, Pulse Classic works just comes out in China, and this is the important symbol in traditional Chinese medical science pulse study history, is also the pulse study works having literature record the earliest simultaneously.In the therapeutic treatment that China is traditional, pulse-taking is a kind of wherein particularly important method, and it hopes, hears, asks, cuts the clinical information of four diagnostic methods gained through accumulation, carry out comprehensive improvement analysis, it is recorded in detail, and it is long-range to apply, thus can obtain more accurately, comprehensively diagnosing.The pulse-taking technology medically thought refers to the blood vessel of doctor by finger contact patient, and in sensation blood vessel, the situation of beating of pulse condition, grasps the cause of disease, the method for the diagnosis state of an illness.
Many researcheres may think that electrocardio is also Research on Cardiovascular system, to the process of electrocardiosignal with analyze enough.But electrocardiosignal reflection is the bio-electrical information of human body.By analyzing this physical signalling of pressure oscillation of pulse, doctor can find electrocardiosignal find less than information.The physiological and pathological sign of finding out cardiovascular system is not only in pulse-taking, and it can also be understood other organ physio-pathological condition of human body.Moreover, traditional pulse wave spectrum accurately can also infer position and the lesion degree of disease, what simultaneously its Ye Shi the United Nations health organization was praised highly does not bleed, noinvasive, not damaged, no pain, have no side effect, medical procedure easily.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, and (precision is better than 10 to provide a kind of high accuracy
-3n) human pulse measurement system, this measuring system can be measured in human pulse hopping process, and accurately measure the perturbed force in microvibration source, the degree of accuracy of measurement is high.
The present invention will solve the technical scheme that its technical problem adopts: a kind of High-precision human microvibration measuring system, comprise base, vertical direction is installed, fixture, strain transducer and Data collection and precessing system; Vibration source and probe contacts, cause flexible beam to strain, and wherein flexible beam is by two bolt presses, and fixture is connected with base top by Tightenable screw, the range of accommodation of 10 ° about maintenance vertical direction; Certain model spring steel that flexible beam adopts coefficient of elasticity to be applicable to, it can repeatedly utilize number far to exceed the sphygmus measurement system of current biological thin film.
The present invention's advantage is compared with prior art:
(1) measuring system of the present invention is in measurement human pulse hopping process, and accurately can measure the perturbed force in microvibration source, the degree of accuracy of measurement is high.
(2) the pulse-taking equipment also generally applied developed now, most employing PVDF biofilm, due to itself and direct skin contact, be subject to oils and fats corrosion, make its service life too short, low-frequency effect is poor, the material that the present invention produces strain not with direct skin contact, and due to the elastic characteristic of cantilever material longer for service life, can reuse often, and arteries and veins figure can be kept truly clear due to the high precision of collecting device;
(3) under arteries and veins figure clearly prerequisite, this mechanism reaches pressure adjustable by feedback control air bag, and interference reduces, and is applicable to different crowd and all feels the pulse under best pulse pressure.
(4) the present invention is by the controllability of three fixtures, and the existence of air bag, the demand that the pulse-taking person's different parts being applicable to the overwhelming majority is felt the pulse.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention (base (2) top locking state);
Fig. 2 is structural representation of the present invention (base (2) top open mode);
Fig. 3 is the pulse signal that different people measurement obtains;
Fig. 4 is the pulse signal that different people measurement obtains.
Detailed description of the invention
As shown in Figure 1, 2, High-precision human pulse measurement system of the present invention, comprising: Data collection and precessing system 1, base 2, air bag 3, first fixture 4, second fixture 5, the 3rd fixture 6, full-bridge foil gauge 7, flexible beam 8 and three probes 9, three the first fixture 4, second fixtures 5 vertically installed and the 3rd fixture 6 are arranged on base 1 by adjustable bolt, and Data collection and precessing system 1, base 2 and air bag 3 can manually be moved up and down, three full-bridge foil gauges 7, the strain transducer that three flexible beams 8 are identical with three probes 9 composition three, wherein flexible beam 8 is two head breadths, middle narrow shape, full-bridge foil gauge 7 is attached to the narrow place of flexible beam 8 each two panels up and down, full-bridge loop is formed by line, three probes 9 are placed in three flexible beam 8 front ends, by the first fixture 4, second fixture 5 and the 3rd fixture 6 to be fixed on base 2, human body cun, close, chi three place and probe contacts, flexible beam 8 is caused to strain, wherein flexible beam 8 passes through two bolts by the first fixture 4, second fixture 5 and the 3rd fixture 6 compress, first fixture 4, second fixture 5 is connected with base 2 top by Tightenable screw with the 3rd fixture 6.First fixture 4, second fixture 5 and the 3rd fixture 6 press human body cun, guan and chi, three places at the wrist where the pulse is usually taken position, are distributed on base 2 similarly; Air bag 3 is fixed on bottom base 2, and by Data collection and precessing system 1 feedback control, regulates air bag 3 internal pressure, and with the signal of full-bridge foil gauge 7 for feedback signal, make pressure keep any constant; In work process, subject person wrist is positioned on air bag 3, three probes 9 contact position, human arm cun,guan,chi three place by the first fixture 4, second fixture 5 with the 3rd fixture 6, air bag 3 covers bottom whole base 2 and plays support arm, do not contact with probe 9, and pass through the strain numerical value feedback regulation of full-bridge foil gauge 7, provide suitable pressure to wrist, make three 9 pressure of popping one's head in maintain best pulse pressure.
As shown in Figure 1, the top of base 2 of the present invention can folding, and bottom is connected by door leaf with top portion, can ensure that probe 9 just in time contacts human body cun, guan and chi, three places at the wrist where the pulse is usually taken three place when top is put down, and top can ensure after putting down that the bottom of base 2 and top keep locking state.First fixture 4, second fixture 5 and the 3rd fixture 6 are limited on base 2 top, can lift along with the folding on top or push down the tested position of human body, degree of freedom in the vertical direction can arbitrarily regulate, when the tested position of human body contacts with probe 9, flexible beam 8 is caused to strain, flexible beam 8 is by the first fixture 4, second fixture 5 and the 3rd fixture 6 compress, first fixture 4, second fixture 5 is connected with base top by Tightenable screw with the 3rd fixture 6, and the range of accommodation of 10 ° about keeping vertical direction, tested particular location can be finely tuned, certain model spring steel that flexible beam 8 adopts coefficient of elasticity to be applicable to, it can repeatedly utilize number far to exceed the sphygmus measurement system of current biological thin film, service life is far longer than biofilm.9 structures of popping one's head in are outside silica gel parcel inside is hardwood, and finger fingertip during simulation TCM pulse diagnosis, shape is semiellipsoid wide at the top and narrow at the bottom, silicone elastomer simulating human finger skin elasticity.
Data collection and precessing system 1 is made up of data acquisition device and computer, the voltage signal that sensor obtains by data acquisition device is converted into digital signal, and be input in computer by data wire, digital signal carries out analyzing and computing by computer, and (degree of accuracy can reach 10 finally to obtain microvibration power
-3n) signal.
Air bag 3 is positioned at bottom base 2, subject person wrist is held during work, during work, first to check that whether the sensor signal be made up of full-bridge foil gauge 7, flexible beam 8 and probe 9 of installation is normal, manufacture microvibration, probe 9 is disturbed, produce voltage signal, this voltage signal is converted into small strain signal by Data collection and precessing system 1, based on this can accurate analysis whether go out the vibration characteristics in microvibration source normal.Then, the sensor be made up of full-bridge foil gauge 7, flexible beam 8 and probe 9 is demarcated, firmly hammer is knocked probe 9, the force signal hammered into shape by power and the voltage signal obtained by data acquisition processing system 1, obtain corresponding sensitivity coefficient k, the force signal of payload can be obtained, for concrete human test after it being multiplied with voltage signal.
When the state run, wrist is placed on the air bag 3 of bottom, the thenar line of wrist aligns with the mark line of bottom, when closing base 2 top, whole base 2 is also by locked, three probes 9 will gather cun, guan and chi, three places at the wrist where the pulse is usually taken three place vibration information respectively, and by regulating the first fixture 4, second fixture 5 and the 3rd fixture 6 are finely tuned concrete tested position, now flexible beam 8 also will be in stress, be in Pre strained state, open now Data collection and precessing system 1, start acquired signal, do not gather 30-60s not etc., ensure that total is not subject to extra interference in measuring process.Gather and terminate the rear pulse signal figure that just can obtain in real time as Fig. 3, Fig. 4.
Fig. 3, Fig. 4 are respectively different people pulsatile motion signal under the same test conditions.
Non-elaborated part of the present invention belongs to techniques well known.
The above; be only part detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, any those skilled in the art are in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (6)
1. a High-precision human pulse measurement system, is characterized in that comprising: Data collection and precessing system (1), base (2), air bag (3), the first fixture (4), the second fixture (5), the 3rd fixture (6), full-bridge foil gauge (7), flexible beam (8) and three probes (9), the first fixture (4) vertically installed, the second fixture (5) and the 3rd fixture (6) are arranged on base (2) by adjustable bolt, and manually adjustable bolt makes Data collection and precessing system (1), base (2) and air bag (3) move up and down, three full-bridge foil gauges (7), the strain transducer that three flexible beams (8) are identical with three probe (9) compositions three, wherein flexible beam (8) is two head breadths, middle narrow shape, full-bridge foil gauge (7) is attached to flexible beam (8) narrow place each two panels up and down, full-bridge loop is formed by line, three probes (9) are placed in three flexible beam (8) front ends, by the first fixture (4), second fixture (5) and the 3rd fixture (6) are fixed on base (2), human body cun, close, chi three place and probe contacts, flexible beam (8) is caused to strain, wherein flexible beam (8) is compressed by fixture (4) (5) (6) by two bolts, fixture (4) (5) (6) are connected with base (2) top by Tightenable screw, described first fixture (4), the second fixture (5) and the 3rd fixture (6) press human body cun, guan and chi, three places at the wrist where the pulse is usually taken position, are distributed on base (2) similarly, air bag (3) is fixed on base (2) bottom, and by Data collection and precessing system (1) feedback control, regulate air bag (3) internal pressure, and with the signal of full-bridge foil gauge (7) for feedback signal, make pressure keep any constant, in work process, subject person wrist is positioned on air bag (3), three probes (9) contact position, human arm cun,guan,chi three place by the first fixture (4), the second fixture (5) with the 3rd fixture (6), air bag (3) covers whole base (2) bottom and plays support arm, do not contact with probe (9), and pass through the strain numerical value feedback regulation of full-bridge foil gauge (7), there is provided suitable pressure to wrist, make three probe (9) pressure maintain best pulse pressure.
2. a kind of High-precision human pulse measurement system according to claim 1, is characterized in that: described probe (9) structure is outside silica gel parcel inside is hardwood.
3. a kind of High-precision human pulse measurement system according to claim 1, it is characterized in that: described base (2) is divided into bottom and two, top part, bottom is connected by door leaf with top portion, can ensure when top is put down that probe (9) just in time contacts human body cun, guan and chi, three places at the wrist where the pulse is usually taken three place, and top can ensure after putting down that the bottom of base (2) and top keep locking state.
4. a kind of High-precision human pulse measurement system according to claim 1, is characterized in that: the material of described flexible beam (8) is spring steel.
5. a kind of High-precision human pulse measurement system according to claim 1, it is characterized in that: vibration source contacts with probe (9), flexible beam (8) is caused to strain, wherein flexible beam (8) is compressed by fixture (4) (5) (6) by two bolts, fixture (4) (5) (6) are connected with base top by Tightenable screw, keep the range of accommodation of about vertical direction 10 °.
6. a kind of High-precision human pulse measurement system according to claim 1, is characterized in that: described probe (9) needs finger fingertip when simulating TCM pulse diagnosis, and shape is semiellipsoid wide at the top and narrow at the bottom.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310204205.7A CN103300835B (en) | 2013-05-28 | 2013-05-28 | High-precision human pulse measurement system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310204205.7A CN103300835B (en) | 2013-05-28 | 2013-05-28 | High-precision human pulse measurement system |
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| CN103300835A CN103300835A (en) | 2013-09-18 |
| CN103300835B true CN103300835B (en) | 2015-06-24 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103860150B (en) * | 2014-02-27 | 2016-01-20 | 中国中医科学院医学实验中心 | Be applicable to three probe machinerys of traditional Chinese medical science pulse detection |
| CN103822585B (en) * | 2014-03-18 | 2016-08-17 | 何巨川 | A kind of indirect measurement method, the elastica of application the method and the application of elastica |
| CN104757956A (en) * | 2015-03-26 | 2015-07-08 | 京东方科技集团股份有限公司 | Intelligent wearing device and method for measuring physical sign |
| CN105232025B (en) * | 2015-10-26 | 2018-04-17 | 马国才 | A kind of cardiac rate detection of electrons wrist-watch |
| CN106236038B (en) * | 2016-10-12 | 2017-06-16 | 重庆电子工程职业学院 | A kind of dead-weight is felt the pulse mechanical base |
| CN107167840B (en) * | 2017-06-14 | 2023-09-19 | 四川大学 | Recyclable and reusable microseismic sensor |
| CN108523859A (en) * | 2018-05-09 | 2018-09-14 | 河南海王星科技发展有限公司 | A kind of traditional Chinese medical pulse manifestation collecting device |
| CN109938749B (en) * | 2019-04-03 | 2021-09-14 | 李�浩 | Artery position detection device and using method thereof |
| TWI721585B (en) * | 2019-10-01 | 2021-03-11 | 友達光電股份有限公司 | Pulse diagnostic equipment |
| TWI759186B (en) * | 2021-04-23 | 2022-03-21 | 友達光電股份有限公司 | Pulse diagnosis device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1325016C (en) * | 2003-07-09 | 2007-07-11 | 刘明林 | Traditional Chinese pulse-diagnosis instrument |
| JP4306381B2 (en) * | 2003-09-17 | 2009-07-29 | オムロンヘルスケア株式会社 | Wrist fixing device for pulse wave measuring device and pulse wave measuring device |
| CN2766774Y (en) * | 2004-11-19 | 2006-03-29 | 天津市先石光学技术有限公司 | Combined wristlet |
| CN101049247B (en) * | 2006-04-06 | 2010-05-12 | 香港理工大学 | Three portions and nine pulse-takings pulse condition detector of pulse condition sensor of herbalist doctor, and pulse condition detection method |
| JP5616253B2 (en) * | 2011-02-24 | 2014-10-29 | 株式会社Ｔｓｓ | Pulse wave analyzer |
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