CN101822542A - Thoracic abdominal breathing detector and method for detecting breathing - Google Patents
Thoracic abdominal breathing detector and method for detecting breathing Download PDFInfo
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- CN101822542A CN101822542A CN 201010162858 CN201010162858A CN101822542A CN 101822542 A CN101822542 A CN 101822542A CN 201010162858 CN201010162858 CN 201010162858 CN 201010162858 A CN201010162858 A CN 201010162858A CN 101822542 A CN101822542 A CN 101822542A
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- piezoelectric ceramic
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- detected object
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 35
- 230000003187 abdominal effect Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 10
- 210000000115 thoracic cavity Anatomy 0.000 title abstract 4
- 239000000919 ceramic Substances 0.000 claims abstract description 37
- 229920004933 Terylene® Polymers 0.000 claims abstract description 4
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 4
- 210000000481 breast Anatomy 0.000 claims description 20
- 208000008784 apnea Diseases 0.000 claims description 14
- 210000001015 abdomen Anatomy 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000003287 optical effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000000241 respiratory effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000036391 respiratory frequency Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000004531 microgranule Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241000256626 Pterygota <winged insects> Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a thoracic abdominal breathing detector and a method for detecting breathing. The thoracic abdominal breathing detector comprises a piezoelectric ceramic plate, a sponge, a wire and an interface terminal, wherein the piezoelectric ceramic plate and the sponge form an information acquisition part for the breathing detector; the wire and the interface terminal form a signal output part for the breathing detector; and the piezoelectric ceramic plate converts the pressure when a detected object breathes into an electric signal and outputs the electric signal through the wire and the interface terminal. The method for detecting the breathing comprises the following steps of: a) surrounding the thoracic abdominal part of the detected object with a fixing tape; b) adhering a terylene block including the sponge block and the piezoelectric ceramic plate to the fixing tape, closely attaching the sponge block to the detected object, and arranging the piezoelectric ceramic plate on the outer side; and c) connecting the wire led out of the piezoelectric ceramic plate to the interface terminal and outputting the electric signal which reflects the breathing state of the detected object. The breathing detector and the method for detecting the breathing can be flexibly applied to the detection of the breathing.
Description
Technical field
The present invention relates to the electrophysiological diagnosis kind equipment, the method that the particularly a kind of abdominal respiration of breast cheaply detector and detection are breathed.
Background technology
Pick off is a kind of checkout gear, usually form by sensing element and conversion element, can experience measured information, and the information that detection can be experienced, be for conversion into the information output of the signal of telecommunication or other desired forms according to certain rules, to satisfy requirements such as transmission of Information, processing, storage, demonstration, record and control.Pick off is a primary link of realizing detection automatically and automatic control.
Although various kinds of sensors has different operation principles and structure, all need to satisfy some basic demands: high sensitivity, jamproof stability, linearity, adjusting easily, high accuracy, high reliability, no hysteresis, long working life, repeatability, aging resistance, the high speed of response, stability against atmospheric influence, interchangeability, low cost, wide measuring range, small size, in light weight, high strength, wide operating range etc. in different occasions.
Apnea detector is a kind of pick off commonly used in medical observation and the research.In the prior art, device for detecting respiratory generally includes resistance strain-gauge transducer, thermistor temperature sensor and fiber respiratory sensor etc., but all there is some shortcoming to a certain extent in these apnea detectors.
The resistance of resistance is too little in the resistance strain-gauge transducer, and required drive current is too big, and it is too high that the heating of foil gauge causes the temperature of itself simultaneously, use in the different environment, make the change in resistance of foil gauge too big, output null offset is obvious, and zeroing circuit is too complicated; And resistance is too big, and impedance is too high, makes that anti-extraneous electromagnetic interference capability is relatively poor.
What Fig. 4 described is a kind of fiber respiratory sensor, is made of an optical fiber, and an end face of optical fiber constitutes sensor surface, and depends on degree that the sedimentary aerosol of sensor surface respiratory air flow changes with one and reflect signal in the optical fiber.Surface 53 forms the optical signal that a part is provided and reveals the also sensor surface of antireflection part optical signal, and relation is subjected to the influence of the rate of setting that respiratory air flow produced on the sensor surface between transmission and the reflection.Sensor surface 53 has constituted a part of conductor that has removed covering from optical conductor, and the optical conductor here forms an annular, propagates thereby that part of beam that does not leave optical conductor at sensor surface 53 places continues to connect by device to one.Adopt this pick off, need not the device of fiber coupler and so on, the light beam 41 that provides can be provided a certain end 4, and the other end 6 emissions directly are sent to the output signal 61 of a photodetector, photodetector detects output signal 61 after differential detector converts square-wave pulse to, to the respiratory frequency of converting through time/rate converter again according to breathing time, is presented on the display.
Although the sensitivity of this Fibre Optical Sensor is higher, can be used for high pressure, electrical noise, high temperature, burn into or other adverse circumstances, cost is also high, and technology is also complicated, and must be waited by laser driver and realize.
Summary of the invention
But purpose of the present invention aims to provide a kind of flexible Application in the novel, simple, reliable of respiration detection and apnea detector and a kind of method that detects breathing that cost is low, and this apnea detector is convenient to the detected person and is carried and need not near connection cord line detected object.
About this lower-cost breast abdominal respiration detector, comprise piezoelectric ceramic piece, sponge, lead and Interface Terminal, wherein, piezoelectric ceramic piece and sponge constitute the information gathering part of this apnea detector, lead and Interface Terminal constitute the segment signal output of this apnea detector, and piezoelectric ceramic piece is converted into the signal of telecommunication through described lead and Interface Terminal output with its pressure that is subjected to when detected object is breathed.
According to breast abdominal respiration detector of the present invention, also comprise fixing band, be used for described breast abdominal respiration detector is fixed in the breast abdomen of detected object, move the interference that brings to reduce motion.
The method that the detection that the present invention proposes is breathed comprises step:
A) with the breast abdominal section of fixing band around detected object;
B) the terylene piece that will contain sponge block and piezoelectric ceramic piece again sticks on the fixing band, and sponge block is close to detected object, and piezoelectric ceramic piece outside;
C) will be connected to an Interface Terminal from the lead that described piezoelectric ceramic piece is drawn, the signal of telecommunication of the breathing state of output reflection detected object.
Breast abdominal respiration detector of the present invention utilizes piezoelectric effect to carry out power-electricity conversion, detects the breast abdominal respiration by the relation of voltage and respiratory frequency.In real work, with belt apnea detector is fixed in the breast abdomen of detected object, can reduce motion and moving and wait the interference that brings.This apnea detector is easy to use, simple, safety, is sponge block owing to be close to the part of detected object, and is more comfortable during detection.Simultaneously, the cost of apnea detector is low, and manufacturing process is simple, the cost performance height.
Description of drawings
Fig. 1 is the composition structured flowchart of breast abdominal respiration detector of the present invention;
Fig. 2 is that the concrete parts of breast abdominal respiration detector of the present invention are formed;
Fig. 3 has illustrated that piezoelectric ceramic piece produces the phenomenon of electric charge by compression when stretching on its surface;
Fig. 4 is a kind of sketch map of traditional Fibre Optical Sensor.
The specific embodiment
Under the effect of extraneous factor, distinctive reaction all can be made accordingly, be had to all material.In them those act on the most responsive material to external world, and promptly those have the material of functional characteristic, are used to make the sensing element in the pick off usually.Piezoelectric ceramics be a kind of can be with mechanical energy and the electric energy ceramic material of conversion mutually.Piezoelectric ceramics has responsive characteristic, can convert extremely faint mechanical vibration to the signal of telecommunication, can be used for sonar system, meteorological detection, remote measurement environmental conservation, household electrical appliance etc.For example, earthquake is a kind of destructive disaster, and focus starts from crust depth, is difficult to prediction in the past, makes the mankind be absorbed in awkward condition at one's wit's end.Piezoelectric ceramics makes it even can sense the disturbance of tens meters outer winged insects beating wings to air the sensitivity of external force, makes the piezoelectricity seismic detector with it, can accurately measure earthquake intensity, indicates the azimuth-range of earthquake.
Piezoelectric ceramic energy is converted to the electric energy main cause with mechanical energy and is piezoelectric effect.When some dielectric suitable direction applies active force, the inner variation that can produce the electric polarization state bound charge opposite in sign, that be directly proportional with external force occurs at dielectric two end surfaces simultaneously.Thisly cause the charged phenomenon of electrolyte, be called piezoelectric effect by the external force effect.If evaporated metal electrode on its two relative faces just can detect electric charge or the potential difference that is caused by electropolarized variation on electrode, this phenomenon can be used to make pick off.
Fig. 3 has illustrated that piezoelectric ceramic piece produces the phenomenon of electric charge by compression when stretching on its surface.Piezoelectric element is the polar piezoelectric ceramics of Z-direction, when piezoelectric ceramics is subjected to uniform tension F in Z-direction
3The time, then just occur minus just down on the electrode of its end face with value heterocharge, its quantity of electric charge q
3With external force F
3Be directly proportional: q
3=d
33F
3When external force changes direction, also reindexing of the electric charge of Chu Xianing then.As shown in Figure 3, when piezoelectric ceramic piece by compression the time, the surface produces negative charge thereon, when piezoelectric ceramic piece is stretched, produces positive charge on its surface.Therefore, the present invention utilizes piezoelectric ceramic piece as the sensing element in the apnea detector, electrode impedance≤0.1 Ω.
As shown in Figure 1, breast abdominal respiration detector of the present invention is made up of signal gathering unit and signal output unit two parts.Signal gathering unit is gathered the breath signal of detected object, and the pressure that the breathing of detected object is caused is converted to the signal of telecommunication, exports via signal output unit then.The structure that below will specify signal gathering unit and signal output unit is formed.
As shown in Figure 2, signal gathering unit mainly is made up of piezoelectric ceramic piece and sponge block.Segment signal output mainly is made up of lead and Interface Terminal, the signal that signals collecting is partly gathered, just entering the other end from the signal of piezoelectric ceramics by lead and Interface Terminal is physiology electro-detection, monitoring quasi-instrument, analyze the relation of voltage and respiratory frequency, show chest or the linear change of abdominal part in respiratory.
In practical work process, at first with the breast abdominal section of fixing band around detected object, the terylene piece that will contain sponge block and piezoelectric ceramic piece again sticks on the fixing band, and sponge block is close to detected object, and piezoelectric ceramic piece outside.Can produce pressure to piezoelectric ceramic piece during the breast abdominal respiration of detected object, cause the piezoelectric effect of piezoelectric ceramic piece, convert pressure to the signal of telecommunication.When pressurized, micro displacement just takes place in the composition microgranule of piezoelectric ceramics, interact between the adjacent particles, just pressure is passed to each and form microgranule, and the radius of turn of the electronics of high speed rotating changes around close mutually its that just makes of these microgranules, because the anisotropy of micrograined texture, pressure just makes electronics break away from constraint on the direction of power, converge in and be out of shape bigger one side owing to exerting pressure and become free electron, thereby produce voltage.The breathing clocklike of detected object can make piezoelectric ceramic piece produce the voltage of certain rule, thereby draws the relation of voltage and respiratory frequency.
The apnea detector principle that the present invention proposes is simple, has embodied easy to carry, safety, measures accurately low cost and other advantages.
Claims (3)
1. breast abdominal respiration detector, it is characterized in that this apnea detector comprises piezoelectric ceramic piece, sponge, lead and Interface Terminal, wherein, piezoelectric ceramic piece and sponge constitute the information gathering part of this apnea detector, lead and Interface Terminal constitute the segment signal output of this apnea detector, and piezoelectric ceramic piece is converted into the signal of telecommunication through described lead and Interface Terminal output with its pressure that is subjected to when detected object is breathed.
2. breast abdominal respiration detector as claimed in claim 1 is characterized in that also comprising fixing band, is used for described breast abdominal respiration detector is fixed in the breast abdomen of detected object, moves the interference that brings to reduce motion.
3. method that detects breathing is characterized in that may further comprise the steps:
A) with the breast abdominal section of fixing band around detected object;
B) the terylene piece that will contain sponge block and piezoelectric ceramic piece again sticks on the fixing band, and sponge block is close to detected object, and piezoelectric ceramic piece outside;
C) will be connected to an Interface Terminal from the lead that described piezoelectric ceramic piece is drawn, the signal of telecommunication of the breathing state of output reflection detected object.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010162858 CN101822542A (en) | 2010-04-28 | 2010-04-28 | Thoracic abdominal breathing detector and method for detecting breathing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010162858 CN101822542A (en) | 2010-04-28 | 2010-04-28 | Thoracic abdominal breathing detector and method for detecting breathing |
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| CN101822542A true CN101822542A (en) | 2010-09-08 |
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| CN 201010162858 Pending CN101822542A (en) | 2010-04-28 | 2010-04-28 | Thoracic abdominal breathing detector and method for detecting breathing |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102525475A (en) * | 2010-12-27 | 2012-07-04 | 深圳市迈迪加科技发展有限公司 | Respiration sensor |
| CN103156617A (en) * | 2011-12-08 | 2013-06-19 | 浩华科技实业有限公司 | Sensor for thorax-abdomen respiratory movement wave shapes |
| CN104224115A (en) * | 2014-08-25 | 2014-12-24 | 杨松 | Device for detecting physiological signals of human body |
| CN105078461A (en) * | 2015-09-07 | 2015-11-25 | 四川大学 | Respiration monitoring sensor as well as respiration guiding system and method |
| CN105943050A (en) * | 2016-05-31 | 2016-09-21 | 广西长益智能科技有限公司 | Wearable respiratory detection equipment |
| CN107041751A (en) * | 2017-04-01 | 2017-08-15 | 浙江大学 | A kind of surface acoustic wave sensor of breathing state detecting system and wireless and passive |
| CN107405105A (en) * | 2015-03-26 | 2017-11-28 | 皇家飞利浦有限公司 | The elastic straps or bandage with ferromagnetism (and microbial resistance) for cleaning and simply placing for the medical monitoring device using magnet |
| CN107997768A (en) * | 2018-01-02 | 2018-05-08 | 北京津发科技股份有限公司 | A kind of wearable respiration measurement device and breath measuring method |
| CN114587338A (en) * | 2022-03-07 | 2022-06-07 | 中国人民解放军西部战区总医院 | A wearable respiratory monitoring system and monitoring method for middle-aged and elderly people |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2610845Y (en) * | 2003-04-18 | 2004-04-14 | 潘钱 | Digital breathing displacement sensor |
| CN1507833A (en) * | 2002-12-16 | 2004-06-30 | 中国人民解放军空军航空医学研究所 | Integrated dynamic physiological parameter detecting and recording method and apparatus |
| CN1731953A (en) * | 2002-11-20 | 2006-02-08 | 赫艾纳医疗公司 | Devices and methods for passive patient monitoring |
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2010
- 2010-04-28 CN CN 201010162858 patent/CN101822542A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1731953A (en) * | 2002-11-20 | 2006-02-08 | 赫艾纳医疗公司 | Devices and methods for passive patient monitoring |
| CN1507833A (en) * | 2002-12-16 | 2004-06-30 | 中国人民解放军空军航空医学研究所 | Integrated dynamic physiological parameter detecting and recording method and apparatus |
| CN2610845Y (en) * | 2003-04-18 | 2004-04-14 | 潘钱 | Digital breathing displacement sensor |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102525475A (en) * | 2010-12-27 | 2012-07-04 | 深圳市迈迪加科技发展有限公司 | Respiration sensor |
| CN103156617A (en) * | 2011-12-08 | 2013-06-19 | 浩华科技实业有限公司 | Sensor for thorax-abdomen respiratory movement wave shapes |
| CN104224115A (en) * | 2014-08-25 | 2014-12-24 | 杨松 | Device for detecting physiological signals of human body |
| CN107405105A (en) * | 2015-03-26 | 2017-11-28 | 皇家飞利浦有限公司 | The elastic straps or bandage with ferromagnetism (and microbial resistance) for cleaning and simply placing for the medical monitoring device using magnet |
| CN105078461A (en) * | 2015-09-07 | 2015-11-25 | 四川大学 | Respiration monitoring sensor as well as respiration guiding system and method |
| CN105078461B (en) * | 2015-09-07 | 2017-10-17 | 四川大学 | A kind of monitoring of respiration sensor and breathing guiding System and method for |
| CN105943050A (en) * | 2016-05-31 | 2016-09-21 | 广西长益智能科技有限公司 | Wearable respiratory detection equipment |
| CN107041751A (en) * | 2017-04-01 | 2017-08-15 | 浙江大学 | A kind of surface acoustic wave sensor of breathing state detecting system and wireless and passive |
| CN107997768A (en) * | 2018-01-02 | 2018-05-08 | 北京津发科技股份有限公司 | A kind of wearable respiration measurement device and breath measuring method |
| CN114587338A (en) * | 2022-03-07 | 2022-06-07 | 中国人民解放军西部战区总医院 | A wearable respiratory monitoring system and monitoring method for middle-aged and elderly people |
| CN114587338B (en) * | 2022-03-07 | 2024-09-10 | 中国人民解放军西部战区总医院 | Wearable respiration monitoring system and monitoring method for middle-aged and elderly people |
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Application publication date: 20100908 |