WO2021208298A1 - Capteur de signe physique vibratoire excité séparément - Google Patents

Capteur de signe physique vibratoire excité séparément Download PDF

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Publication number
WO2021208298A1
WO2021208298A1 PCT/CN2020/106714 CN2020106714W WO2021208298A1 WO 2021208298 A1 WO2021208298 A1 WO 2021208298A1 CN 2020106714 W CN2020106714 W CN 2020106714W WO 2021208298 A1 WO2021208298 A1 WO 2021208298A1
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WO
WIPO (PCT)
Prior art keywords
vibration
container
physical sign
piezoelectric ceramic
sign sensor
Prior art date
Application number
PCT/CN2020/106714
Other languages
English (en)
Chinese (zh)
Inventor
刘文超
陆荣信
杜继常
Original Assignee
上海贝氪若宝健康科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN202010297226.8A external-priority patent/CN111387967A/zh
Priority claimed from CN202020560807.1U external-priority patent/CN212346521U/zh
Application filed by 上海贝氪若宝健康科技有限公司 filed Critical 上海贝氪若宝健康科技有限公司
Publication of WO2021208298A1 publication Critical patent/WO2021208298A1/fr

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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
    • 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 pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb

Definitions

  • the invention relates to a human body health detection device, in particular to an externally excited vibration type physical sign sensor.
  • the current technologies for heart rate detection mainly include photoelectricity, ECG, and vibration. Among them, photoelectric and ECG-based detection methods must be directly contacted by the detection device and the human body, and vibration can be achieved. Non-contact heart rate detection.
  • Piezoelectric ceramic sheet is a kind of transducer element with piezoelectric ceramic pasted on metal sheet. When the piezoelectric ceramic sheet vibrates, a voltage signal will be formed on the surface of the piezoelectric ceramic.
  • the technical problem to be solved by the present invention is to provide a separately excited vibration type physical sign sensor with simple structure and high measurement accuracy, which can be widely used in medical, scientific research, smart home, wearable equipment and other fields .
  • an externally excited vibration type physical sign sensor including:
  • Vibration sensing container that captures the physiological activity information of the human body
  • the vibration feedback container includes a shell with a single side opening and a piezoelectric ceramic sheet sealingly arranged at the opening of the shell;
  • Both ends of the connecting pipe are respectively connected with the vibration induction container and the vibration feedback container, so that the inner cavity of the vibration induction container and the inner cavity of the vibration feedback container together form a sealed accommodating cavity, and the sealed accommodating cavity is filled with a fluid medium ;
  • the detection device is electrically connected to the piezoelectric ceramic sheet
  • the detection device detects the voltage fluctuation of the piezoelectric ceramic sheet and converts the voltage change into physical sign information.
  • the vibration-sensitive container is made of a flexible material, and the vibration-sensitive container is provided with an elastic support member for supporting the vibration-sensitive container.
  • the vibration-sensitive container is in the shape of a capsule.
  • the vibration feedback container further includes a blocking cover provided at the opening of the housing, so that the outer periphery of the piezoelectric ceramic sheet is in a sealed connection with the opening of the housing.
  • connection nozzle detachably connected with the communication pipe is provided on the housing.
  • the fluid medium is a gas.
  • the vibration-sensitive container is arranged on household items or wearable equipment.
  • the household items are one of mattresses, pillows, and cushions.
  • the physical sign information is one of human body movement, pulse, and respiration.
  • the detection device includes a detection circuit, and the detection circuit is connected to the piezoelectric ceramic sheet through a signal line.
  • the separately excited vibration type physical sign sensor of the present invention has the following beneficial effects:
  • the vibration sensing container captures human physiological activity information
  • the inner cavity of the vibration sensing container is slightly compressed and expanded due to human physiological activity.
  • vibration which in turn causes the pressure of the fluid medium in the vibration-sensitive container to change.
  • the inner cavity of the vibration sensing container and the inner cavity of the vibration feedback container jointly form a sealed accommodating cavity.
  • the pressure change of the fluid medium in the vibration sensing container will affect the pressure change of the fluid medium in the vibration feedback container, thereby forcing the pressure
  • the electric ceramic sheet vibrates. When the piezoelectric ceramic sheet vibrates, the voltage of the piezoelectric ceramic sheet will change accordingly.
  • the detection device detects the voltage fluctuation of the piezoelectric ceramic sheet in real time, and converts the voltage change into corresponding physical sign information. Therefore, the separately excited vibration type physical sign sensor of the present invention has a simple structure and high measurement accuracy, and can be widely used in medical, scientific research, smart home, wearable equipment and other fields.
  • Figure 1 shows a cross-sectional view of the separately excited vibration type physical sign sensor of the present invention
  • Figure 2 shows an exploded view of the separately excited vibration type physical sign sensor of the present invention
  • Fig. 3 shows an enlarged view of part A in Fig. 2.
  • the present invention provides a separately excited vibration type physical sign sensor, including:
  • Vibration sensing container 1 that captures information on the physiological activities of the human body
  • the vibration feedback container 2 includes a housing 21 with a single side opening and a piezoelectric ceramic sheet 22 sealed at the opening of the housing 21;
  • the two ends of the connecting pipe 3 and the connecting pipe 3 are respectively connected with the vibration induction container 1 and the vibration feedback container 2, so that the inner cavity of the vibration induction container 1 and the inner cavity of the vibration feedback container 2 together form a sealed accommodating cavity, which is sealed to accommodate
  • the cavity is filled with fluid medium 4;
  • the detection device 5 is electrically connected to the piezoelectric ceramic sheet 22;
  • the detection device 5 detects the voltage fluctuation of the piezoelectric ceramic sheet 22 and converts the voltage change into physical sign information.
  • the physical sign information can be one of human body movement, pulse, and respiration.
  • the vibration sensing container 1 captures the physiological activity information of the human body (the physiological activity of the human body includes the movement of the body and organs, for example, the weak vibration of the human body due to heartbeat, and another example, the weak vibration of the human body due to breathing).
  • the physiological activities of the human body cause the inner cavity of the vibration-sensitive container 1 to slightly compress, expand and vibrate, which in turn causes the pressure of the fluid medium 4 in the vibration-sensitive container 1 to change.
  • the connecting pipe 3 due to the connecting pipe 3, the inner cavity of the vibration sensing container 1 and the inner cavity of the vibration feedback container 2 together form a sealed accommodating cavity.
  • the pressure change of the fluid medium 4 in the vibration sensing container 1 will affect the fluid medium 4 in the vibration feedback container 2
  • the detection device 5 detects the voltage change of the piezoelectric ceramic sheet 22 in real time, and converts the voltage change into corresponding physical sign information (such as pulse, respiration, and other body movement information). Therefore, the externally excited vibration type physical sign sensor of the present invention has simple structure and high measurement accuracy, and can be widely used in medical treatment (such as medical vital sign monitoring and early warning equipment), scientific research, smart home (such as household sleep quality monitoring products), wearable equipment and other fields .
  • the above-mentioned vibration-sensitive container 1 is made of a flexible material, and the vibration-sensitive container 1 is provided with an elastic support 11 for supporting the vibration-sensitive container 1.
  • the elastic support 11 may be made of a sponge material to ensure that a cavity that can be filled with a fluid medium is formed inside the vibration-sensitive container 1.
  • the shape of the vibration-sensitive container 1 has a variety of styles.
  • the vibration-sensitive container 1 is in the shape of a capsule, which is convenient for effectively capturing the physiological activity information of the human body.
  • the vibration feedback container 2 further includes a blocking cover 23 which is provided at the opening of the housing 21 so that The outer periphery of the piezoelectric ceramic sheet 22 is hermetically connected to the opening of the housing 21.
  • a sealing ring 25 is sandwiched between the piezoelectric ceramic sheet 22 and the opening of the housing 21.
  • the housing 21 is provided with a connection nozzle 24 that is detachably connected to the communication pipe 3.
  • the above-mentioned fluid medium 4 may be a gas or a liquid. If gas is used as the fluid medium 4, the measurement accuracy of the externally excited vibration sensor is higher.
  • the above-mentioned vibration-sensitive container 1 can be arranged on household goods or wearable equipment.
  • the aforementioned household items are one of mattresses, pillows, and cushions.
  • the vibration-sensitive container 1 is stuffed into the mattress interlayer, the inside of the pillow, and the inside of the cushion.
  • the detection device 5 includes a detection circuit, and the detection circuit is connected to the piezoelectric ceramic sheet 22 through a signal line 51.
  • the separately excited vibration type physical sign sensor of the present invention has a simple structure and high measurement accuracy, and can be widely used in the fields of medical treatment, scientific research, smart home, wearable equipment and the like. Therefore, the present invention effectively overcomes various shortcomings in the prior art and has a high industrial value.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Physiology (AREA)
  • Cardiology (AREA)
  • Pulmonology (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

L'invention concerne un capteur de signe physique vibratoire excité séparément, comprenant : un récipient de détection de vibrations (1) pour capturer des informations d'activité physiologique humaine ; un récipient de rétroaction de vibrations (2), le récipient de rétroaction de vibrations (2) comprenant un boîtier (21) ouvert sur un côté et une plaque céramique piézoélectrique (22) disposée de manière étanche au niveau de l'ouverture du boîtier (21) ; un tuyau de communication (3), le tuyau de communication (3) étant en communication de chaque extrémité respectivement avec le récipient de détection de vibrations (1) et le récipient de rétroaction de vibrations (2), ce qui permet à la cavité du récipient de détection de vibrations (1) et à la cavité du récipient de rétroaction de vibrations (2) de former conjointement une cavité de réception étanche, la cavité de réception étanche étant remplie d'un milieu fluide (4) ; et un dispositif de détection (5), le dispositif de détection (5) étant électriquement connecté à la plaque céramique piézoélectrique (22). Le capteur de signe physique vibratoire excité séparément est structurellement simple, fournit une précision de mesure élevée, est largement applicable dans les domaines de la médecine, de la recherche scientifique, de la maison intelligente et de dispositifs pouvant être portés.
PCT/CN2020/106714 2020-04-15 2020-08-04 Capteur de signe physique vibratoire excité séparément WO2021208298A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202010297226.8 2020-04-15
CN202010297226.8A CN111387967A (zh) 2020-04-15 2020-04-15 他激振动式体征传感器
CN202020560807.1U CN212346521U (zh) 2020-04-15 2020-04-15 他激振动式体征传感器
CN202020560807.1 2020-04-15

Publications (1)

Publication Number Publication Date
WO2021208298A1 true WO2021208298A1 (fr) 2021-10-21

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PCT/CN2020/106714 WO2021208298A1 (fr) 2020-04-15 2020-08-04 Capteur de signe physique vibratoire excité séparément

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Country Link
WO (1) WO2021208298A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6146332A (en) * 1998-07-29 2000-11-14 3416704 Canada Inc. Movement detector
CN1373643A (zh) * 1999-11-24 2002-10-09 株式会社M·I·研究所 使用封闭空气型声传感器的生物医学信息收集设备
US20050022606A1 (en) * 2003-07-31 2005-02-03 Partin Dale L. Method for monitoring respiration and heart rate using a fluid-filled bladder
US20110306844A1 (en) * 2010-06-15 2011-12-15 Bam Labs, Inc. Pressure sensor for monitoring a subject and pressure sensor with inflatable bladder
CN111387967A (zh) * 2020-04-15 2020-07-10 上海贝氪若宝健康科技有限公司 他激振动式体征传感器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6146332A (en) * 1998-07-29 2000-11-14 3416704 Canada Inc. Movement detector
CN1373643A (zh) * 1999-11-24 2002-10-09 株式会社M·I·研究所 使用封闭空气型声传感器的生物医学信息收集设备
US20050022606A1 (en) * 2003-07-31 2005-02-03 Partin Dale L. Method for monitoring respiration and heart rate using a fluid-filled bladder
US20110306844A1 (en) * 2010-06-15 2011-12-15 Bam Labs, Inc. Pressure sensor for monitoring a subject and pressure sensor with inflatable bladder
CN111387967A (zh) * 2020-04-15 2020-07-10 上海贝氪若宝健康科技有限公司 他激振动式体征传感器

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