CN104161499A - Control method used for accurately measuring pulses by means of PVDF pulse sensor - Google Patents
Control method used for accurately measuring pulses by means of PVDF pulse sensor Download PDFInfo
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- CN104161499A CN104161499A CN201410314010.2A CN201410314010A CN104161499A CN 104161499 A CN104161499 A CN 104161499A CN 201410314010 A CN201410314010 A CN 201410314010A CN 104161499 A CN104161499 A CN 104161499A
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Abstract
The invention discloses a control method used for accurately measuring pulses by means of a PVDF pulse sensor. The method includes the following steps that (a) a shield shell of the PVDF pulse sensor is manufactured; (b) the PVDF pulse sensor is installed on the shell of the pulse sensor, and the PVDF pulse sensor is positioned in a semi-automatic adjusting mode or a fully-automatic adjusting mode; (c) a noise sensor is arranged on the surface, except the radial arteries on the wrists, of a human body, and difference amplifying processing is carried out on body noise signals received by the noise sensor and pulse signals received by the PVDF pulse sensor. The shell of the pulse sensor undergoing shielding processing can shield an electric field and infrared radiation interference. By means of the method for positioning the PVDF pulse sensor in the step (b), the PVDF pulse sensor can be accurately positioned to obtain the optimal pulse signals. In the step (c), body noise filtering processing is carried out on the pulse signals received by the PVDF pulse sensor. Accordingly, the pulse signals can be accurately measured.
Description
Technical field
The present invention relates to pulse transducer technical field, relate in particular to a kind of control method of the PVDF of application pulse transducer Measurement accuracy pulse.
Background technology
The traditional Chinese medical science tradition of existing several thousand, the mode of wherein feeling the pulse is an important component part in the traditional Chinese medical science.All the time, the doctor of the traditional Chinese medical science contacts with patient's pulse the pulse condition that draws patient by finger, and then definite patient's the state of an illness.Though this method has spread several thousand, but this method has increased a lot of artificial factors, in science and technology quite flourishing today, the mode of TCM pulse diagnosis has been become the information digitized instrument that objectifies feels the pulse by original people for feeling the pulse, and pulse transducer is the key component of instrument of feeling the pulse.Aspect the selection of sensor, because this emerging macromolecular material of Kynoar (PVDF) is after processed, there is obvious piezoelectric effect.Compared with traditional piezoelectric, it is wide that PVDF has frequency response, and dynamic range is large, and power electricity converting sensitivity is high, and mechanical properties strength is high, the easily feature such as coupling and being used widely at medical Instrument field of acoustic impedance.
But, due to PVDF self material, very sensitive for electric field interference and infrared emanation interference, so must eliminate these interference, just likely obtain correct measurement result, wherein must solve human body pulse location and noise is eliminated to the problem of satisfied degree.
Summary of the invention
The object of the invention is to provide for the deficiencies in the prior art a kind of control method of the PVDF of application pulse transducer Measurement accuracy pulse, the control method pulse signal exactly of this application PVDF pulse transducer Measurement accuracy pulse.
For achieving the above object, the present invention is achieved through the following technical solutions.
A control method of applying PVDF pulse transducer Measurement accuracy pulse, includes following steps, is specially:
The screening can of a, preparation PVDF pulse transducer: for the pulse transducer shell of metal material, the outer surface of pulse transducer shell carries out polishing, pulse transducer shell metal lining film after polishing, the outer surface of metal film also carries out polishing; For the pulse transducer shell of plastic material, the inner surface of pulse transducer shell and outer surface carry out respectively polishing, the outer surface metal lining film of the pulse transducer shell after polishing, and the outer surface of metal film also carries out polishing;
B, PVDF pulse transducer is installed in pulse transducer housing, and locate PVDF pulse transducer by semi-automatic regulative mode or full-automatic regulation mode: for for the PVDF pulse transducer of semi-automatic regulative mode location, PVDF pulse transducer is fixed on to shape and the suitable elastic webbing of wrist shape, staff moves elastic webbing, in the time that measuring-signal relatively reaches optimum state through computing, notice staff stops mobile elastic webbing; For locate PVDF pulse transducer by full-automatic regulation mode for, micromachine drives PVDF pulse transducer to move by belt gear, and in the time that measuring-signal relatively reaches optimum state through computing, micromachine stops operating automatically;
C, human body surface beyond the wrist radial artery are installed noise transducer, and the pulse signal that the human body noise signal that noise transducer is received and PVDF pulse transducer receive carries out differential processing and amplifying, to draw pure pulse signal.
Beneficial effect of the present invention is: a kind of control method of applying PVDF pulse transducer Measurement accuracy pulse of the present invention, and it comprises the following steps, and is specially: the screening can of a, preparation PVDF pulse transducer; B, PVDF pulse transducer is installed in pulse transducer housing, and locates PVDF pulse transducer by semi-automatic regulative mode or full-automatic regulation mode; C, human body surface beyond the wrist radial artery are installed noise transducer, and the pulse signal that the human body noise signal that noise transducer is received and PVDF pulse transducer receive carries out differential processing and amplifying, to draw pure pulse signal.Wherein, by pulse transducer shell is carried out to shielding processing, pulse transducer shell effectively electric field shielding disturbs and infra-red radiation interference; By the PVDF pulse transducer localization method described in step b, the present invention can locate PVDF pulse transducer exactly, and then makes PVDF pulse transducer can obtain best pulse signal.Pulse signal PVDF pulse transducer being received by step c carries out filtering human body noise processed, the negative effect that the present invention can avoid human body noise to produce pulse signal effectively.Comprehensive above-mentioned situation is known, and the present invention can measure pulse signal exactly.
Detailed description of the invention
Below in conjunction with concrete embodiment, the present invention will be described.
A control method of applying PVDF pulse transducer Measurement accuracy pulse, includes following steps, is specially:
The screening can of a, preparation PVDF pulse transducer: for the pulse transducer shell of metal material, the outer surface of pulse transducer shell carries out polishing, pulse transducer shell metal lining film after polishing, the outer surface of metal film also carries out polishing; For the pulse transducer shell of plastic material, the inner surface of pulse transducer shell and outer surface carry out respectively polishing, the outer surface metal lining film of the pulse transducer shell after polishing, and the outer surface of metal film also carries out polishing;
B, PVDF pulse transducer is installed in pulse transducer housing, and locate PVDF pulse transducer by semi-automatic regulative mode or full-automatic regulation mode: for for the PVDF pulse transducer of semi-automatic regulative mode location, PVDF pulse transducer is fixed on to shape and the suitable elastic webbing of wrist shape, staff moves elastic webbing, in the time that measuring-signal relatively reaches optimum state through computing, notice staff stops mobile elastic webbing; For locate PVDF pulse transducer by full-automatic regulation mode for, micromachine drives PVDF pulse transducer to move by belt gear, and in the time that measuring-signal relatively reaches optimum state through computing, micromachine stops operating automatically;
C, human body surface beyond the wrist radial artery are installed noise transducer, and the pulse signal that the human body noise signal that noise transducer is received and PVDF pulse transducer receive carries out differential processing and amplifying, to draw pure pulse signal.
Need further to explain, by pulse transducer shell is carried out to shielding processing, pulse transducer shell effectively electric field shielding disturbs and infra-red radiation interference, and then the negative effect of avoiding external electrical field and infra-red radiation to produce PVDF pulse transducer.
In addition, by the PVDF pulse transducer localization method described in step b, the present invention can locate PVDF pulse transducer exactly, and then makes PVDF pulse transducer can obtain best pulse signal.
Need further point out, pulse signal PVDF pulse transducer being received by step c carries out filtering human body noise processed, the negative effect that the present invention can avoid human body noise to produce pulse signal effectively.
Comprehensive above-mentioned situation is known, and the present invention can measure pulse signal exactly.
Above content is only preferred embodiment of the present invention, for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, and this description should not be construed as limitation of the present invention.
Claims (1)
1. a control method of applying PVDF pulse transducer Measurement accuracy pulse, is characterized in that, includes following steps, is specially:
The screening can of a, preparation PVDF pulse transducer: for the pulse transducer shell of metal material, the outer surface of pulse transducer shell carries out polishing, pulse transducer shell metal lining film after polishing, the outer surface of metal film also carries out polishing; For the pulse transducer shell of plastic material, the inner surface of pulse transducer shell and outer surface carry out respectively polishing, the outer surface metal lining film of the pulse transducer shell after polishing, and the outer surface of metal film also carries out polishing;
B, PVDF pulse transducer is installed in pulse transducer housing, and locate PVDF pulse transducer by semi-automatic regulative mode or full-automatic regulation mode: for for the PVDF pulse transducer of semi-automatic regulative mode location, PVDF pulse transducer is fixed on to shape and the suitable elastic webbing of wrist shape, staff moves elastic webbing, in the time that measuring-signal relatively reaches optimum state through computing, notice staff stops mobile elastic webbing; For locate PVDF pulse transducer by full-automatic regulation mode for, micromachine drives PVDF pulse transducer to move by belt gear, and in the time that measuring-signal relatively reaches optimum state through computing, micromachine stops operating automatically;
C, human body surface beyond the wrist radial artery are installed noise transducer, and the pulse signal that the human body noise signal that noise transducer is received and PVDF pulse transducer receive carries out differential processing and amplifying, to draw pure pulse signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410314010.2A CN104161499B (en) | 2014-07-03 | 2014-07-03 | A kind of control method applying PVDF pulse transducer Measurement accuracy pulse |
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| CN201410314010.2A CN104161499B (en) | 2014-07-03 | 2014-07-03 | A kind of control method applying PVDF pulse transducer Measurement accuracy pulse |
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| CN104161499A true CN104161499A (en) | 2014-11-26 |
| CN104161499B CN104161499B (en) | 2016-04-13 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107157455A (en) * | 2017-06-26 | 2017-09-15 | 四川脉卫科技有限公司 | It is a kind of to intend true terminal with the pulse condition that fingering is gathered |
| CN109998499A (en) * | 2019-04-19 | 2019-07-12 | 北京工业大学 | A kind of pulse wave piezoelectric membrane sensor sensitivity detection device |
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| US4443730A (en) * | 1978-11-15 | 1984-04-17 | Mitsubishi Petrochemical Co., Ltd. | Biological piezoelectric transducer device for the living body |
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| CN202171725U (en) * | 2011-06-27 | 2012-03-21 | 河海大学 | Watch capable of measuring pulse condition |
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| CN104188636A (en) * | 2014-09-04 | 2014-12-10 | 李久朝 | Pulse wave signal monitoring wrist watch with function of manually locating radial artery |
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| US4443730A (en) * | 1978-11-15 | 1984-04-17 | Mitsubishi Petrochemical Co., Ltd. | Biological piezoelectric transducer device for the living body |
| US6911009B2 (en) * | 2002-04-26 | 2005-06-28 | E-Med Biotech Inc. | Sphygmogram measure method and device for two closed measured points |
| CN201514275U (en) * | 2009-10-10 | 2010-06-23 | 精量电子（深圳）有限公司 | high-sensitivity contact-type vibration monitoring piezoelectric sensor |
| CN202171725U (en) * | 2011-06-27 | 2012-03-21 | 河海大学 | Watch capable of measuring pulse condition |
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| CN107157455A (en) * | 2017-06-26 | 2017-09-15 | 四川脉卫科技有限公司 | It is a kind of to intend true terminal with the pulse condition that fingering is gathered |
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| CN109998499A (en) * | 2019-04-19 | 2019-07-12 | 北京工业大学 | A kind of pulse wave piezoelectric membrane sensor sensitivity detection device |
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| CN104161499B (en) | 2016-04-13 |
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