CN102048528A - Pulse detector with high interference resistance - Google Patents
Pulse detector with high interference resistance Download PDFInfo
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- CN102048528A CN102048528A CN 200910213318 CN200910213318A CN102048528A CN 102048528 A CN102048528 A CN 102048528A CN 200910213318 CN200910213318 CN 200910213318 CN 200910213318 A CN200910213318 A CN 200910213318A CN 102048528 A CN102048528 A CN 102048528A
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Abstract
The invention relates to a pulse detector with high interference resistance. The pulse detector with high interference resistance comprises two sensors in an inverted series connection mode, wherein a certain interval is maintained between the two sensors by utilizing a high-electricity and vibration insulation degree structure; the induction surface of one main sensor is provided with multiple probes which are arranged at preset intervals; the multiple probes transmit the pulse signals which are independently detected to the induction surface of the main sensor; the pulse signals received by the induction surface of the main sensor are superposed by the signals detected by each probe; the pulse signals induced by the other auxiliary sensor in the inverted series connection mode are relatively weak because of the insulation action of the high-electricity and vibration insulation degree structure; and other interference signals induced by the two sensors with the same physical structure have the same strength and the opposite directions, thereby obtaining the pulse signals with basically counteracted interference, high signal-to-noise ratio, stability, reliability and insensitive positions after superposition. A reliable 24-hour pulse real-time monitoring system which can be actually applied in daily life can be established by utilizing the pulse detector with high interference resistance.
Description
Technical field
The present invention relates to a kind of high anti-interference pulse detector that can the monitoring human vital sign.
Background technology
Determining people's health status by surveying pulse, is one of basic diagnosis method of doctor, such as the rhythm of the heart, and pulse condition and blood pressure etc.This is that pulse and life are closely bound up because blood circulation is the basic biosystem of human body.
The medical finger diagnosis of feeling the pulse in traditional, doctor's personal experience is obviously depended in this operation, is difficult to guarantee concordance, therefore this diagnostic method is very subjective, lacks rigorous science.So although pulse condition is extremely important to diagnosing, doctors also can only point the situation of being felt with them, describe pulse condition qualitatively, provide fuzzy diagnosis.
Along with the development of technology, existing pulse detector can be evaluated human pulse more scrupulously, but because these instrument volumes are big, inconvenience is carried, and the instrument cost height, cost an arm and a leg, complicated operation, generally only be applicable to be placed on use hospital in.Can't be applied to daily, the real-time monitoring of various human pulse.Particularly existing pulse detector is because the defective of sonde configuration, must accurately adjust the position of pick off in use, just can detect beating of pulse, once probe positions has the mobile mistake that will occur to survey, report by mistake slightly in the test process, and this pulse detector sensitivity is low, this just requires the personnel of certain profession basis to operate, and uses inconvenient.
On the other hand, human pulse is very weak signal, and has environmental disturbances such as various vibrations, electromagnetism in the daily life, uses existing pulse detector, is difficult to obtain high s/n ratio, stable pulse signal.
There is the patient and the sub-health population of several hundred million hypertension, diabetes, dyslipidemia, fat overweight in the whole world according to statistics.Noninfectiouss such as annual apoplexy, myocardial infarction, heart failure are the major causes of death that accounts for more than 3/4ths, and wherein cardiovascular disease accounts for the first place.In fact, if can carry out effectively pulse, 24 hours real-time monitoring, in time find the trend of subhealth state and acute attack, make the patient obtain timely early treatment, most cardiovascular and cerebrovascular disease patients' the state of an illness can be alleviated in early days.And preceding early stage active, the warning automatically of acute attack can be lowered the dead probability of cardiovascular and cerebrovascular vessel morbidity significantly.Therefore, be badly in need of a kind ofly can carrying out effectively to human pulse, reliably, the system of 24 hours real-time monitoring.
Summary of the invention
The technical problem to be solved in the present invention is, the time must accurately aim at the arteries position at existing pulse detector in test and can detect just that beat pulse, sensitivity are low, the defective of interference free performance difference, a kind of high anti-interference pulse detector with a plurality of probes is provided.
The present invention solves this technical problem the technical scheme that is adopted: construct a kind of high anti-interference pulse detector, comprise two electric anti-phase placed in-line identical pick offs.The sensitive surface of first master reference is provided with a plurality of probes of space preset distance, the pulse signal that described a plurality of probe will detect separately is passed to the sensitive surface of described master reference, and the pulse signal that described first main induction surface receives is the superposition of the signal of each probe transmission; Keep at a certain distance away and be installed in master reference, guaranteeing has good vibration with master reference, the pulse signal that the sensitive surface of second aiding sensors of electrical isolation receives is very weak, but various other vibrations of sensing, it is basic identical that environmental disturbances such as electromagnetism and master reference are sensed, because the identical pick off of this physical electric performance of two is anti-phase series connection on electric, so compare with the signal that only uses single master reference to obtain, obtain be pulse signal slightly a little less than, and the high-quality pulse signal of the high s/n ratio that various interference disappears substantially.
In the anti-interference pulse detector of height of the present invention, described a plurality of probe is by matrix or directly be attached to the sensitive surface of described master reference, and the sensitive surface of aiding sensors is installed in and main induction surface maintenance certain intervals, has on the escapement of vibration, electrical isolation function.
In the anti-interference pulse detector of height of the present invention, described pick off is pressure transducer, and described probe is a protrusion; Described matrix is the thin slice of being made by the flexibility or rigidity material, and described protrusion is arranged on the upper surface and/or the lower surface of described matrix.And the sensitive surface of aiding sensors is installed in the escapement that keeps high-isolation with the main induction surface, and this escapement can be the free space that the edge support is arranged, or various nonconducting vibration-absorptive material.
In pulse detector of the present invention, described master/auxiliary sensor groups comprises following at least a or multiple alternative sensor group:
The ultrasonic signal sensor groups optionally comprises a supersonic generator, or
The heat sensitive sensor group optionally comprises a heat source generator; Or
The infrared sensor group optionally comprises an infrared light supply; Or
The electromagnetic wave signal sensor groups optionally comprises an electromagnetic wave generator; Or
The NMR signal sensor groups optionally comprises a nuclear magnetic resonance, NMR generator; Or
X-optical signal sensor group optionally comprises an X-optical generator.
Implement the present invention, have following beneficial effect:
Because high anti-interference pulse detector is provided with a plurality of probes, pulse signal can be delivered to the master reference sensitive surface as long as wherein there is a probe to be in the arteries position, thereby the master reference shift in position is very little to the influence of result of detection, the reliability height; And when a plurality of probes are in the arteries position, the pulse signal that each probe obtains can be on the master reference sensitive surface superposition, thereby highly sensitive; Should also have another to have the aiding sensors that disturbs the elimination function by the anti-interference pulse detector of height in addition, various interfering signals induced signal magnitude on the identical pick off of two physical electrical functions is identical, direction is opposite, has eliminated interfering signal well.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Figure 1A is the front view of high anti-interference pulse detector according to an embodiment of the invention;
Figure 1B is the vertical view of Figure 1A;
Fig. 1 C is the right view of Figure 1A;
Fig. 2 A is the front view of high according to an embodiment of the invention anti-interference pulse detector assembly;
Fig. 2 B is the vertical view of Fig. 2 A;
Fig. 2 C is the right view of Fig. 2 A.
The specific embodiment
The anti-interference pulse monitoring device of height of the present invention can be responded to the one dimension of human body artery, two-dimentional pulse fluctuation pressure, and can reduce other interfering signal effectively.
According to one embodiment of the present of invention, high anti-interference pulse monitoring device comprises the relative isolated aiding sensors with of at least one many probe master reference.The output of each high anti-interference pulse detector is the anti-phase placed in-line voltage signal of master reference and aiding sensors.High anti-interference pulse detector is any human body that contacts such as wrist strap, arm band, pectoral girdle, the bottom bands of trouser legs, mattress, medicated cushion, is fixed near the device at the position tremulous pulse.
Each probe feeling of independence is answered arterial pressure, pulse signal superposition on master reference that the probe dot matrix that a plurality of probes are formed detects; And the reverse stack of the same interference that the aiding sensors of interference of sensing on the master reference and differential concatenation is sensed is offset, and forms high s/n ratio, reliable and stable pulse pressure signal
Figure 1A-1C is the structural representation according to the anti-interference pulse detector of single height of the embodiment of the invention.Figure 1A is a front view; Figure 1B is the vertical view of Figure 1A; Fig. 1 C is the right view of Figure 1A.Shown in Figure 1A-Fig. 1 C, in the present embodiment, high anti-interference pulse detector is provided with 3 probes 1, probe 1 is connected on the matrix 2, matrix 2 contacts with the sensitive surface 301 of master reference 3, with probe detection to signal be delivered to the sensitive surface 301 of master reference 3, master reference 3 and aiding sensors 5 are installed together by escapement 4, escapement 4 has guaranteed the sensitive surface 501 of aiding sensors 5,502 and probe 1 have good electric, vibration is isolated, and the output signal after master reference and the aiding sensors differential concatenation is by drawing line 6 outputs.
Fig. 2 A-2C is that wherein, Fig. 2 A is a front view according to the structural representation of the high anti-interference pulse detector assembly that comprises two high anti-interference pulse detectors of the embodiment of the invention; Fig. 2 B is the vertical view of Fig. 2 A; Fig. 2 C is the right view of Fig. 2 A.Shown in Fig. 2 A-2C, in the present embodiment, high anti-dried pulse detector assembly is provided with 12 probes 1, probe 1 is connected on the matrix 2, matrix 2 contacts with the sensitive surface of first primary pressure sensor 31, second primary pressure sensor 32, with probe detection to signal be delivered to the sensitive surface of master reference group; In first primary pressure sensor is for 31 times escapement 41, it again first aiding sensors 51, in second primary pressure sensor is for 32 times escapement 42, the signal that again is second aiding sensors, 52, the first primary pressure sensor 31 and first aiding sensors, 51 differential concatenations is by 61 outputs of lead-out wire group; The signal of second primary pressure sensor 32 and second aiding sensors, 52 differential concatenations is by 62 outputs of lead-out wire group.Though the matrix 2 among Fig. 2 A-2C is matrixes of a monoblock, as selection, also can be divided into two independent matrixes: first matrix and second matrix are attached to the sensitive surface of first primary pressure sensor 31, second primary pressure sensor 32 respectively.
As can be seen from Figure, space one segment distance between the probe forms dot matrix.The benefit of She Zhiing is like this: each probe is relatively independent ground detectable signal simultaneously, and on the sensitive surface of shared master reference superposition, obtain stronger output signal.Though pulse detector shown in Figure 1A is provided with the probe of 3 single-row arrangements, but those skilled in the art should know, also more probes can be set, and it is arranged in the dot matrix of multiple lines and multiple rows, even can be arranged in the dot matrix of circle, ellipse etc. or other shape.In like manner, as similar embodiment, in the high anti-interference pulse detector assembly that constitutes by at least two high anti-interference pulse detectors, also can be provided with on each high anti-interference pulse detector than 12 shown in Fig. 2 A probes that probe is more or less, and it is arranged in the dot matrix of multiple lines and multiple rows, even can be arranged in the dot matrix of circle, ellipse etc. or other shape.Distance between the probe is provided with can keep each probe that relatively independent significantly motion can be arranged, and can have higher density to be as the criterion again.
In the embodiment shown in Figure 1A and Fig. 2 A, probe 1 is arranged on the upper surface 21 of matrix 2.In other embodiments of the invention, probe 1 can be arranged on the lower surface 22 of matrix 2, perhaps can probe 1 all be set at the upper surface 21 and the lower surface 22 of matrix 2.
The thin slice that matrix 2 is normally made by the flexibility or rigidity material.Probe 1 shape can be the projection that various difform hard objects such as symmetry such as arc, semicircle, rectangle, hexagon or asymmetrical polygon or soft object constitute, be connected to viscose glue or be connected to the sensitive surface of pressure sensor unit by sheet type matrix (for example thin film), form the probe dot matrix with any method.In some embodiments of the invention, probe 1 is the hard protrusion, for example: metal bump things such as rustless steel, aluminium alloy, titanium alloy, Buddhist nun you, duroplasts protrusions such as ABS, lucite etc., it is bonded on the described matrix 2 by binding agent.In other embodiments, probe 1 is soft protrusion, and for example: flexible plastics such as silica gel, rubber perhaps constitute protrusion by inflation or hollow balloon etc.Protrusion can adopt identical material one-body molded with matrix, and perhaps protrusion can be bonded on the matrix of identical or different material by binding agent.Should be appreciated that the above-mentioned material of mentioning all should be health, harmless material.
In another embodiment of the present invention, probe is set directly at the sensitive surface of master reference, for example sticks on the sensitive surface of pick off.Or with other method that can reliablely and stablely probe be installed in the sensitive surface of master reference.
Though what adopt in the embodiments of the invention is pressure transducer, it will be appreciated by those skilled in the art that and to adopt the master/auxiliary sensor groups of other type to implement the present invention.For example adopt the ultrasonic signal sensor groups, optionally comprise a supersonic generator and have the sonac of more than one ultrasound probe; Or the heat sensitive sensor group, optionally comprise a heat source generator and have the heat sensitive sensor of more than one thermosensitive probe; Or the infrared sensor group, optionally comprise an infrared light supply and have the infrared sensor of more than one infrared probe; Or the electromagnetic wave signal sensor groups, optionally comprise an electromagnetic wave generator and have the electromagnetic transducer of more than one electromagnetic probe; Or the NMR signal sensor groups, optionally comprise a nuclear magnetic resonance, NMR generator and have the nmr sensor of more than one nmr probe; Or X-optical signal sensor group, optionally comprise an X-optical generator and have the X-optical sensor of more than one X-light probe.
Among each embodiment of the present invention, high anti-interference pulse detector comprises by the hard object of more than one adjacent arc, semicircle or the similar shape of arranging along arteries two-way (longitudinal and transverse) single or double or the probe dot matrix that soft object constitutes, and is integrated in the master reference surface.Single face probe dot matrix contacts with human body surface or sensor surface.The two-sided of two-sided probe dot matrix contacts with human body surface and master reference surface respectively.And keep with master reference that same interfering signal inversely adds on interfering signal that relative isolated aiding sensors senses and the master reference, cancel out each other.More than onely should rearrange high anti-interference pulse detector assembly by the anti-interference pulse detector of height two-way (longitudinal and transverse).When surveying pulse pressure, owing on each master reference several probes are arranged, each probe can be responded to pulsation, improves the detectivity of the anti-interference pulse detector assembly of whole height greatly; And because several probes are arranged, the anti-interference pulse detector assembly of this height is insensitive to the position, can respond to pulsation effectively in big relatively scope.The further unidirectional or integrated use of bi-directional arrangement with several high anti-interference pulse detectors can obtain better effect: higher detectivity, stronger induced signal.
Utilize the anti-interference pulse detector of height of the present invention, can obtain high s/n ratio, reliable and stable, the insensitive pulse signal in position can be set up practical round-the-clock pulse real-time monitoring system.Make vital sign/health status of user obtain constantly concern, can accomplish when daily detection, in time to find the subhealth state problem, and early treatment; The very first time reports to the police automatically or initiatively during acute attack, avoids the danger of falling ill and dying suddenly effectively.Fact proved most of cardiovascular and cerebrovascular disease patients,, can avoid the acute attack of serious harm to take place to a great extent if trend that can the early discovery morbidity is taken measures.And early stage automatic, initiatively warning before the acute attack then can be lowered the probability of cardiovascular and cerebrovascular vessel morbidity sudden death significantly.
Claims (9)
1. one kind high anti-interference pulse detector is characterized in that, comprises a master reference (3,31,32) and an aiding sensors (5,51,52); Described master reference and aiding sensors are combined into one by having high escapement (4,41,42) electric, the vibration isolation; The signal output part differential concatenation of master reference and aiding sensors.
2. the anti-interference pulse detector of height according to claim 1 is characterized in that described master/auxiliary pick off is pressure transducer; Described a plurality of probe (1) is attached to the sensitive surface (301) of described master reference by matrix (2).
3. the anti-interference pulse detector of height according to claim 2 is characterized in that described probe (1) is a protrusion; Described matrix (2) is the thin slice of being made by the flexibility or rigidity material, and described protrusion is arranged on the upper surface (21) and/or the lower surface (22) of described matrix (2).
4. according to claim 1 and the anti-interference pulse detector of 3 described height, it is characterized in that, described height is electric, the escapement (4 of vibration isolation, 41,42) can be the free space that frame is arranged, or nonconducting any vibration isolation material, or the combinative structure of free space and vibration isolation material, the upper surface of escapement (421) is close to master reference (32) lower surface and is installed.
5. the anti-interference pulse detector of height according to claim 1 is characterized in that, described master reference (3,31,32) and aiding sensors (5,51,52) group comprise following at least a or multiple alternative sensor group:
The ultrasonic signal sensor groups optionally comprises a supersonic generator, or
The heat sensitive sensor group optionally comprises a heat source generator; Or
The infrared sensing group optionally comprises an infrared light supply; Or
The electromagnetic wave signal sensor groups optionally comprises an electromagnetic wave generator; Or
The NMR signal sensor groups optionally comprises a nuclear magnetic resonance, NMR generator; Or
X-optical signal sensor group optionally comprises an X-optical generator.
6. master reference according to claim 1 and aiding sensors, its function, structure, performance can be exchanged.
7. master reference according to claim 1 and aiding sensors can adopt the combination of a plurality of master reference combinations or the combination of a plurality of aiding sensors or a plurality of master reference and aiding sensors.
8. one kind high anti-interference pulse monitoring device is characterized in that, comprises at least two as the anti-interference pulse detector of each described height in the claim 1 to 7; Wherein, described at least two high anti-interference pulse detectors are arranged in the array of single file or multirow, making has at least one described probe to contact with human body limb cadre's arteries place skin at least when near the arteries that the anti-interference pulse monitoring device of described height is placed on human body limb cadre in described two high anti-interference pulse detectors.
9. the anti-interference pulse detector of height according to claim 1 is characterized in that, and is described except the collection that is applied in pulse signal, can also be applied in any occasion that needs to detect vibration.
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| CN 200910213318 CN102048528B (en) | 2009-11-02 | 2009-11-02 | Pulse detector with high interference resistance |
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| CN 200910213318 CN102048528B (en) | 2009-11-02 | 2009-11-02 | Pulse detector with high interference resistance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105395179A (en) * | 2015-12-18 | 2016-03-16 | 安徽寰智信息科技股份有限公司 | Health monitoring assembly |
| CN105411545A (en) * | 2015-12-18 | 2016-03-23 | 安徽寰智信息科技股份有限公司 | Health behavior guiding system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3857519B2 (en) * | 2000-11-30 | 2006-12-13 | セイコーインスツル株式会社 | Pulse detector |
| JP3908512B2 (en) * | 2001-11-16 | 2007-04-25 | セイコーインスツル株式会社 | Piezoelectric transducer and pulse wave detector |
| US7306563B2 (en) * | 2002-03-02 | 2007-12-11 | Huang Herb H | Pulse diagnostic system |
| CN200983720Y (en) * | 2006-12-21 | 2007-11-28 | 珠海微明生物医学测量技术有限公司 | Sensor device |
| WO2009030068A1 (en) * | 2007-09-04 | 2009-03-12 | Yang, Tzu-Lin | Fabric with separate inductive area |
| CN201101527Y (en) * | 2007-11-15 | 2008-08-20 | 王富生 | Sphygmometer |
| CN201248702Y (en) * | 2008-06-24 | 2009-06-03 | 中国医学科学院生物医学工程研究所 | Flexible pulse detecting probe based on pressure sensing array |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105395179A (en) * | 2015-12-18 | 2016-03-16 | 安徽寰智信息科技股份有限公司 | Health monitoring assembly |
| CN105411545A (en) * | 2015-12-18 | 2016-03-23 | 安徽寰智信息科技股份有限公司 | Health behavior guiding system |
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