CN103462595B - A kind of portable sensor assembly - Google Patents
A kind of portable sensor assembly Download PDFInfo
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- CN103462595B CN103462595B CN201310436617.3A CN201310436617A CN103462595B CN 103462595 B CN103462595 B CN 103462595B CN 201310436617 A CN201310436617 A CN 201310436617A CN 103462595 B CN103462595 B CN 103462595B
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- pcb board
- pulse
- contact
- piezoelectric membrane
- housing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/024—Measuring pulse rate or heart rate
- A61B5/02438—Measuring pulse rate or heart rate with portable devices, e.g. worn by the patient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/04—Constructional details of apparatus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0247—Pressure sensors
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Physiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention discloses a kind of portable sensor assembly; Belong to pulse transducer technical field; Its technical essential comprises metal housing, is provided with pulse sensing mechanism in described housing, described pulse sensing mechanism by pcb board, be arranged on the piezoelectric membrane on pcb board and be adjacent to the pulse contact be arranged on outside piezoelectric membrane and form; Described pcb board is provided with the piezoelectric membrane vibrations stroke working chamber corresponding with piezoelectric membrane, and the both positive and negative polarity of described pcb board and the both positive and negative polarity of piezoelectric membrane are interconnected, and described pcb board is connected with external data collection instrument circuit; Described housing is provided with the contact adapted with pulse contact and stretches out hole, and described pulse contact contacts with human body; The present invention aims to provide a kind of rational in infrastructure, portable sensor assembly that volume is little and easy to carry; For human body pulse.
Description
Technical field
The present invention relates to a kind of pulse transducer, more particularly, particularly relate to a kind of portable sensor assembly.
Background technology
Pulse wave is one of important parameter of cardiovascular system of human body.When heart periodically shrinks with diastole, ventricle is injected aortal blood flow and is propagated setting out along tremulous pulse piping with the autonomous initiatively root of the form of ripple, and this ripple is exactly pulse wave.Pulse wave transmits in tremulous pulse piping, and constantly reflect in the branches at different levels of downstream diverse location, make pulse wave not only will be subject to the impact of heart itself, also to be subject to flowing through in tremulous pulse at different levels and branch various physiological and pathological factor as the impact of vascular resistance, vessel wall elasticity and blood stickiness etc., the reflection wave strength thus reflected from downstream peripheral arterial and waveform will have very big-difference with different physiological and pathological factors vary simultaneously.Therefore the physiological and pathological information extracting human body from pulse wave, as the foundation of clinical diagnosis and treatment, is always subject to the attention of China and foreign countries' medical circle.
In prior art, use the device that piezoelectric makes, to the conversion of electric energy, pulse wave being converted to voltage by mechanical energy and exporting, is modal pulse wave measurement method, and measuring arterial pressure variation with piezoelectric transducer is known technology.Its implementation is by piezoelectric transducer unit being placed human body artery on the surface, bringing tension variation to measure endovascular pressure state by experiencing tremulous pulse.Artery diameter is generally 1.2mm-2.4mm, in order to be checked through the pressure change that tremulous pulse causes accurately, needs top sensor being covered as far as possible tremulous pulse.
In traditional pulse wave detects, interference and comfort level are usually a subject matter.Monitor continuously in life occasion for meeting, power consumption is also a subject matter.
The pulse wave sensor detected based on mechanical energy traditionally requires that detected person takes particular pose, and takes the mode of pressing, and to overcome interfering signal, meeting blood stream pressure can be conducted and identify clearly.
In addition, along with the development of technology, wearable technology enters the visual field of people, and the science and technology that can directly be through with it or be integrated into the clothes of user or the equipment of accessory is mainly explored and created to wearable technology.By " inherent connective " realize fast data acquisition, keep social connections by ultrafast sharing contents power efficient.Break away from traditional handheld device and obtain seamless network access experience.And this is applied to medical domain, combined type portable sensor, for every data of human body quickly and easily, will be an important trend of future development.
Summary of the invention
The object of the invention is to for above-mentioned the deficiencies in the prior art, a kind of rational in infrastructure, portable sensor assembly that volume is little and easy to carry is provided.
Technical scheme of the present invention is achieved in that a kind of portable sensor assembly, comprise metal housing, be provided with pulse sensing mechanism in wherein said housing, described pulse sensing mechanism by pcb board, be arranged on the piezoelectric membrane on pcb board and be adjacent to the pulse contact be arranged on outside piezoelectric membrane and form; Described pcb board is provided with the piezoelectric membrane vibrations stroke working chamber corresponding with piezoelectric membrane, and the both positive and negative polarity of described pcb board and the both positive and negative polarity of piezoelectric membrane are interconnected, and described pcb board is connected with external data collection instrument circuit; Described housing is provided with the contact adapted with pulse contact and stretches out hole, and described pulse contact contacts with human body.
In above-mentioned a kind of portable sensor assembly, described piezoelectric membrane is tightened and is covered on pcb board.
In above-mentioned a kind of portable sensor assembly, described pcb board wherein one side is positive pole, and another side is negative pole; Described piezoelectric membrane is by pvdf membrane and be arranged on the positive pole coating of pvdf membrane both sides and negative pole coating forms, and described positive pole coating is positioned on pvdf membrane corresponding to the outline of pcb board 2 positive pole, and described negative pole coating covers on the another side of pvdf membrane; Described positive pole coating is fitted with the positive pole-face of pcb board and is contacted, and described negative pole coating is by being connected with the negative pole face of pcb board after edge bending; Described negative pole coating contacts with housing.
In above-mentioned a kind of portable sensor assembly, described pcb board wherein side is extended with the electrode connection-peg be connected with external data collection instrument, and the positive pole of described pcb board is all connected with electrode connection-peg with negative pole; Housing is provided with the connection-peg adapted with electrode connection-peg and stretches out hole.
In above-mentioned a kind of portable sensor assembly, described pulse contact is made up of silica gel solid fixed platform and the silica gel contact be arranged on silica gel solid fixed platform, and described pulse contact is folded between housing and pulse sensing mechanism.
In above-mentioned a kind of portable sensor assembly, it is 1 ~ 2.4mm that described silica gel contact is positioned at the height that hull outside divides.
In above-mentioned a kind of portable sensor assembly, the end that described silica gel contact contacts with human body is arcuate structure.
In above-mentioned a kind of portable sensor assembly, described housing is made up of the upper casing cooperatively interacted and lower casing, and described pulse sensing mechanism, upper casing and lower casing are screwed and connect into entirety; Described connection-peg stretches out hole and is arranged on lower casing; Described contact stretches out hole and is arranged on upper casing.
After the present invention adopts said structure, coordinated with the ingenious of pcb board by piezoelectric membrane, make the present invention relative to prior art, there is following advantage:
(1) the arc contact jaw of silica gel contact, can receive pulse vibration signal well, and utilizes the silica gel pulse vibrations transfer surface bottom silica gel solid fixed platform, is fully transmitted on piezoelectric membrane by pulse vibration signal, thus improves the sensitivity of sensor.
(2) by the structure of piezoelectric membrane packing pcb board, make piezoelectric membrane be tightened on pcb board, to reach high sensitivity effect, then fixed by the hole that is mounted with at four angles, to reach stable high sensitivity and long life.
(3) dexterously the piezoelectric membrane signal of telecommunication is drawn by electrode connection-peg, make the signal output connector of this sensor versatile and flexible, can weld, pluggable.
(4) the negative pole coating edge of piezoelectric membrane folds packing on pcb board negative pole face, and the turned up portion of the negative pole coating of piezoelectric membrane contacts with metal shell under the extruding of the pulse contact of softness, forms ground connection by the conduction of metal shell and skin; Meanwhile, negative pole can be drawn on pcb board positive pole side again, utilize metal shell to shield the interference of outer signals to piezoelectric membrane well.
(5) the piezoelectric membrane vibrations stroke working chamber on pcb board, solve piezoelectric membrane well when carrying out pulse shock detection, required piston type vibrations space, makes this transducer sensitivity greatly improve.
(6) pcb board coordinates with the ingenious of piezoelectric membrane, realizes the microminiaturization of sensor, and thickness can reach 2 millimeters, can be arranged on user's clothes and the equipment worn with oneself and article easily, realizes obtaining human pulse data quickly and easily.
Accompanying drawing explanation
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but do not form any limitation of the invention.
Fig. 1 is decomposition texture schematic diagram of the present invention;
Fig. 2 is the structural representation of piezoelectric membrane of the present invention and pcb board.
In figure: housing 1, contact stretch out hole 1a, connection-peg stretches out hole 1b, upper casing 1c, lower casing 1d, pcb board 2, piezoelectric membrane shake stroke working chamber 2a, electrode connection-peg 2b, piezoelectric membrane 3, pvdf membrane 3a, positive pole coating 3b, negative pole coating 3c, pulse contact 4, silica gel solid fixed platform 4a, silica gel contact 4b.
Detailed description of the invention
Consult shown in Fig. 1, a kind of portable sensor assembly of the present invention, comprise metal housing 1, in housing 1, be provided with pulse sensing mechanism, described pulse sensing mechanism by pcb board 2, be arranged on the piezoelectric membrane 3 on pcb board 2 and be adjacent to the pulse contact 4 be arranged on outside piezoelectric membrane 3 and form; Described piezoelectric membrane 3 is preferably tightened and is covered on pcb board 2, can significantly improve the sensitivity of detection like this.Described pcb board 2 is provided with the piezoelectric membrane corresponding with piezoelectric membrane 3 and shakes stroke working chamber 2a, and the implant in piezoelectric membrane vibrations stroke working chamber 2a can be air, also can be vacuum structure; The both positive and negative polarity of described pcb board 2 and the both positive and negative polarity of piezoelectric membrane 3 are interconnected, and described pcb board 2 is connected with external data collection instrument circuit, this structure, and piezoelectric membrane 3 is connected with outside by pcb board 2, significantly can reduce the volume of sensor; Described housing 1 is provided with the contact adapted with pulse contact 4 and stretches out hole 1a, and described pulse contact 4 contacts with human body.
Preferably, consult shown in Fig. 2, in the present embodiment, described pcb board 2 wherein one side is positive pole, and another side is negative pole; Described piezoelectric membrane 3 is by pvdf membrane 3a and be arranged on the positive pole coating 3b of pvdf membrane 3a both sides and negative pole coating 3c and form, described positive pole coating 3b is positioned on pvdf membrane 3a corresponding to the outline of pcb board 2 positive pole, and described negative pole coating 3c covers on the another side of pvdf membrane 3a; Described positive pole coating 3b fits with the positive pole-face of pcb board 2 and contacts, and described negative pole coating 3c is by being connected with the negative pole face of pcb board 2 after edge bending; Described negative pole coating 3c contacts with housing 1.Particularly, the part of parcel pcb board 2, the part that namely piezoelectric membrane 3 is wrapped in beyond the positive pole-face of pcb board 2 only has negative pole coating, and the back side of negative pole coating is uncoated isolation material.Further, described pcb board 2 wherein side is extended with the electrode connection-peg 2b be connected with external data collection instrument, and the positive pole of described pcb board 2 is all connected with electrode connection-peg 2b with negative pole; Housing 1 is provided with the connection-peg adapted with electrode connection-peg 2b and stretches out hole 1b.Above-mentioned structure, the structure of piezoelectric membrane 3 packing pcb board 2, makes piezoelectric membrane 3 be tightened on pcb board 2, can reach high sensitivity effect; Meanwhile, dexterously the signal of telecommunication of piezoelectric membrane 3 is drawn by electrode connection-peg 2b, make the signal output connector of this sensor versatile and flexible, can weld, pluggable.And the negative pole bread folding of piezoelectric membrane 3 is on pcb board 2 negative pole face, and the turned up portion of the negative pole coating 3c of piezoelectric membrane 3 contacts with metal shell under the extruding of the pulse contact 4 of softness, forms ground connection by the conduction of metal shell and skin; Meanwhile, negative pole can be drawn on pcb board 2 positive pole side again, utilize metal shell to shield the interference of outer signals to piezoelectric membrane well.
Meanwhile, the pulse contact 4 described in the present embodiment is made up of silica gel solid fixed platform 4a and the silica gel contact 4b be arranged on silica gel solid fixed platform 4a, and described pulse contact 4 is folded between housing 1 and pulse sensing mechanism; And the height that described silica gel contact 4b is positioned at the outer part of housing 1 is 1 ~ 2.4mm.The end that described silica gel contact 4b contacts with human body is arcuate structure, the arcuate structure of silica gel contact 4b and suitable height, feels comfortable, and can receive pulse vibration signal well when not only making human body contact with silica gel contact 4b.Simultaneously, flexible silica gel contact 4b extrudes housing in housing 1, make housing 1 form sealing, shielding noise interference, waterproof, dust protection, extrude silica gel contact 4b simultaneously and make the vibrations transfer surface of silica gel solid fixed platform 4a protruding along piezoelectric membrane vibrations stroke working chamber 2a generation nature;
Further, in order to make installation and easy to maintenance, housing 1 is made up of the upper casing 1c cooperatively interacted and lower casing 1d, and described pulse sensing mechanism, upper casing 1c and lower casing 1d are screwed and connect into entirety; Described connection-peg stretches out hole 1b and is arranged on lower casing 1d; Described contact stretches out hole 1a and is arranged on upper casing 1c.Simultaneously, the locating hole corresponding with screw is equipped with at pcb board 2, piezoelectric membrane 3 and silica gel solid fixed platform 4a, whole sensor is fixed connection by screw, the negative pole coating 3c of piezoelectric membrane 3 is contacted with housing 1 more good, reach stable high sensitivity and the object compared with the long life simultaneously.
During use, sensor cluster of the present invention is fixed on the corresponding position of human body by external fixation device, adjusts the position of silica gel contact 4b, connect external data collection instrument, the collection of data can be carried out.
Above illustrated embodiment is better embodiment of the present invention, only be used for conveniently the present invention being described, not any pro forma restriction is done to the present invention, have in any art and usually know the knowledgeable, if do not depart from the present invention carry in the scope of technical characteristic, utilize the Equivalent embodiments that the done local of disclosed technology contents is changed or modified, and do not depart from technical characteristic content of the present invention, all still belong in the scope of the technology of the present invention feature.
Claims (6)
1. a portable sensor assembly, comprise metal housing (1), it is characterized in that, described housing is provided with pulse sensing mechanism in (1), described pulse sensing mechanism by pcb board (2), be arranged on the piezoelectric membrane (3) on pcb board (2) and be adjacent to be arranged on piezoelectric membrane (3) outside pulse contact (4) form; Described pcb board (2) is provided with the piezoelectric membrane corresponding with piezoelectric membrane (3) and shakes stroke working chamber (2a), the both positive and negative polarity of described pcb board (2) and the both positive and negative polarity of piezoelectric membrane (3) are interconnected, and described pcb board (2) is connected with external data collection instrument circuit; Described housing (1) is provided with the contact adapted with pulse contact (4) and stretches out hole (1a), and described pulse contact (4) contacts with human body; Described pcb board (2) wherein one side is positive pole, and another side is negative pole; Described piezoelectric membrane (3) is by pvdf membrane (3a) and be arranged on the positive pole coating (3b) of pvdf membrane (3a) both sides and negative pole coating (3c) forms, on the pvdf membrane (3a) that the outline that described positive pole coating (3b) is positioned at pcb board (2) positive pole is corresponding, described negative pole coating (3c) covers on the another side of pvdf membrane (3a); Described positive pole coating (3b) is fitted with the positive pole-face of pcb board (2) and is contacted, and described negative pole coating (3c) is by being connected with the negative pole face of pcb board (2) after edge bending; Described negative pole coating (3c) contacts with housing (1); Described piezoelectric membrane (3) is tightened and is covered on pcb board (2).
2. a kind of portable sensor assembly according to claim 1, it is characterized in that, described pcb board (2) wherein side is extended with the electrode connection-peg (2b) be connected with external data collection instrument, and the positive pole of described pcb board (2) is all connected with electrode connection-peg (2b) with negative pole; Housing (1) is provided with the connection-peg adapted with electrode connection-peg (2b) and stretches out hole (1b).
3. a kind of portable sensor assembly according to claim 1, it is characterized in that, described pulse contact (4) is made up of silica gel solid fixed platform (4a) and the silica gel contact (4b) be arranged on silica gel solid fixed platform (4a), and described pulse contact (4) is folded between housing (1) and pulse sensing mechanism.
4. a kind of portable sensor assembly according to claim 3, is characterized in that, described silica gel contact (4b) be positioned at housing (1) outward part height be 1 ~ 2.4mm.
5. a kind of portable sensor assembly according to claim 3 or 4, is characterized in that, the end that described silica gel contact (4b) contacts with human body is arcuate structure.
6. a kind of portable sensor assembly according to claim 2, it is characterized in that, described housing (1) is made up of the upper casing cooperatively interacted (1c) and lower casing (1d), and described pulse sensing mechanism, upper casing (1c) and lower casing (1d) are screwed and connect into entirety; Described connection-peg stretches out hole (1b) and is arranged on lower casing (1d); Described contact stretches out hole (1a) and is arranged on upper casing (1c).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310436617.3A CN103462595B (en) | 2013-09-22 | 2013-09-22 | A kind of portable sensor assembly |
| PCT/CN2013/086384 WO2015039373A1 (en) | 2013-09-22 | 2013-10-31 | Portable sensor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310436617.3A CN103462595B (en) | 2013-09-22 | 2013-09-22 | A kind of portable sensor assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103462595A CN103462595A (en) | 2013-12-25 |
| CN103462595B true CN103462595B (en) | 2015-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310436617.3A Expired - Fee Related CN103462595B (en) | 2013-09-22 | 2013-09-22 | A kind of portable sensor assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103462595B (en) |
| WO (1) | WO2015039373A1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932685B (en) * | 2014-04-14 | 2016-04-13 | 天津普仁万合信息技术有限公司 | For the sensor of human body rhythm and pace of moving things vibration |
| CN105769208A (en) * | 2016-03-31 | 2016-07-20 | 德清县德意电脑有限公司 | Ballistocardiogram signal collection and transmission device with improved structure |
| CN105726036A (en) * | 2016-03-31 | 2016-07-06 | 德清县德意电脑有限公司 | Ballistocardiogram signal collection system |
| CN105726038A (en) * | 2016-03-31 | 2016-07-06 | 德清县德意电脑有限公司 | Ballistocardiogram signal collection and induction device |
| CN105726037A (en) * | 2016-03-31 | 2016-07-06 | 德清县德意电脑有限公司 | Ballistocardiography signal collecting system of improved structure |
| CN107847155A (en) * | 2016-05-12 | 2018-03-27 | 深圳市赛亿科技开发有限公司 | A kind of sleep monitor |
| CN106805954B (en) * | 2017-02-28 | 2020-02-14 | 华中科技大学 | Wearable flexible pressure sensor and preparation method thereof |
| ES2963483T3 (en) * | 2017-09-05 | 2024-03-27 | Apple Inc | Wearable electronic device with electrodes to detect biological parameters |
| CN108398181B (en) * | 2018-02-06 | 2024-06-25 | 麒盛科技股份有限公司 | Integrated physiological signal detection sensor |
| CN108968929A (en) * | 2018-08-01 | 2018-12-11 | 中国科学院深圳先进技术研究院 | Pulse detecting device and preparation method thereof |
| CN110742592A (en) * | 2019-10-08 | 2020-02-04 | 郑州轻工业学院 | A Human Health Detection Method Based on Flexible Piezoelectric Electret Pulse Sensor |
| CN110916623B (en) * | 2019-11-11 | 2022-02-01 | 浙江大学 | Small-sized flexible pulse diagnosis instrument capable of applying pressure actively and detection method thereof |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5797850A (en) * | 1993-11-09 | 1998-08-25 | Medwave, Inc. | Method and apparatus for calculating blood pressure of an artery |
| US6331163B1 (en) * | 1998-01-08 | 2001-12-18 | Microsense Cardiovascular Systems (1196) Ltd. | Protective coating for bodily sensor |
| JP4723732B2 (en) * | 2000-07-12 | 2011-07-13 | セイコーインスツル株式会社 | Pulse detection device and ultrasonic diagnostic device |
| CN2649019Y (en) * | 2003-11-13 | 2004-10-20 | 李士春 | Syn. with sensing device |
| WO2005062924A2 (en) * | 2003-12-23 | 2005-07-14 | Empirical Technologies Corporation | Transducer for converting heartbeat pulsations to electrical signal |
| CN2766772Y (en) * | 2005-01-14 | 2006-03-29 | 孙汉钧 | Human body health information monitoring sensor and apparatus thereof |
| CN2910111Y (en) * | 2006-01-16 | 2007-06-13 | 瞿年清 | High sensitivity tactile senser |
| ATE539336T1 (en) * | 2006-03-21 | 2012-01-15 | Radi Medical Systems | PRESSURE SENSOR |
| 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 |
| ITGE20120020A1 (en) * | 2012-02-16 | 2013-08-17 | Michele Bellin | DEVICE FOR DETECTION OF SLEEP AND SUPPORT FOR ITS APPLICATION |
| CN203447278U (en) * | 2013-09-22 | 2014-02-26 | 天津万合星辰信息技术有限公司 | Portable sensor module |
| CN203447277U (en) * | 2013-09-22 | 2014-02-26 | 天津万合星辰信息技术有限公司 | Wrist strap type pulse sensor |
-
2013
- 2013-09-22 CN CN201310436617.3A patent/CN103462595B/en not_active Expired - Fee Related
- 2013-10-31 WO PCT/CN2013/086384 patent/WO2015039373A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2015039373A1 (en) | 2015-03-26 |
| CN103462595A (en) | 2013-12-25 |
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