CN107928659B - A flexible band-aid type heart rate monitor - Google Patents
A flexible band-aid type heart rate monitor Download PDFInfo
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- CN107928659B CN107928659B CN201711314037.1A CN201711314037A CN107928659B CN 107928659 B CN107928659 B CN 107928659B CN 201711314037 A CN201711314037 A CN 201711314037A CN 107928659 B CN107928659 B CN 107928659B
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Classifications
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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
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6832—Means for maintaining contact with the body using adhesives
- A61B5/6833—Adhesive patches
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
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- Engineering & Computer Science (AREA)
- Biomedical Technology (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)
- Cardiology (AREA)
- Physiology (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
本发明涉及一种柔性创口贴式心率计，包括电源组件、传感组件、信号处理组件、包覆组件和柔性基底；所述传感组件和信号处理组件分别与电源组件电连接，且所述信号处理组件与传感组件电连接；所述电源组件、传感组件和信号处理组件均包覆于所述包覆组件中，并附着于所述柔性基底上。本发明的柔性创口贴式心率计具有无腕带、粘贴式、穿戴体验好、分辨率高、灵敏度高和制备简单的优点。
The present invention relates to a flexible band-aid type heart rate meter, comprising a power supply component, a sensor component, a signal processing component, a coating component and a flexible substrate; the sensor component and the signal processing component are electrically connected to the power supply component respectively, and the signal processing component is electrically connected to the sensor component; the power supply component, the sensor component and the signal processing component are all coated in the coating component and attached to the flexible substrate. The flexible band-aid type heart rate meter of the present invention has the advantages of no wristband, adhesive type, good wearing experience, high resolution, high sensitivity and simple preparation.
Description
Technical Field
The invention relates to the field of wearable equipment, in particular to a flexible adhesive bandage type heart rate meter.
Background
Along with the rapid development of socioeconomic, the pressure caused by living is endangered to the health of human beings, and the abnormal heart rate of the human beings is often caused when the pressure is too high and the mental stress, and finally, various diseases are caused by the long-term abnormal heart rate. Therefore, people's attention has been shifted from the fields of diet safety and medical care to the field of real-time monitoring of physical conditions. In order to meet the increasing technical demands of various domestic and foreign enterprises and scientific institutions, various wearable devices are developed in a dispute, and particularly, the portable heart rate meter is widely focused on the research.
The heart rate meter in the market at present mainly takes a wrist strap type structure as a main body, and is assembled into a wearable heart rate meter through matching with heart rate sensors of different types. The heart rate sensor is classified into a photoelectric type, a pressure-capacitance type and a piezoresistive type according to the detection principle, wherein the photoelectric type is most widely used due to the advantages of non-invasiveness and non-contact, however, the measurement error of the photoelectric type heart rate sensor is easily caused due to the difficulty in grasping the tightness degree of the wrist strap, and the detection signal is too weak and too tight due to the too loose detection signal, so that the wearer is uncomfortable. In addition, the photoelectric heart rate sensor measures heart rate through light reflection, and according to the principle that blood vessels of the whole body of a human body have tiny fluctuation when the heart beats, the pulse signal of the human body is obtained by emitting light beams to subcutaneous blood vessels and detecting the periodical intensity change of reflected light in real time. When the sensor is used, measurement errors are easily caused by factors such as light interference caused by environment, skin color of a wearer, sweat, fat thickness and the like, and once the sensor is abnormal in function, the heart rate meter is required to be replaced integrally, so that the cost is high.
Therefore, the invention of a portable heart rate meter which can accurately measure in real time and ensure good wearing experience is an urgent need for development of portable medical equipment.
Disclosure of Invention
Based on this, the invention aims to provide a flexible adhesive bandage type heart rate meter which has the advantages of no wrist strap, adhesion, good wearing experience, high resolution, high sensitivity and simple preparation.
The flexible adhesive bandage type heart rate meter comprises a power supply component, a sensing component, a signal processing component, a coating component and a flexible substrate, wherein the sensing component and the signal processing component are respectively and electrically connected with the power supply component, the signal processing component is electrically connected with the sensing component, and the power supply component, the sensing component and the signal processing component are all coated in the coating component and are attached to the flexible substrate.
The invention has the working principle that when a wearer sticks the flexible adhesive bandage type heart rate meter to the pulse positions such as arms or hearts, the pulse beat causes the change of the electrical property of the sensing component, the change signal is transmitted to the signal processing component through the sensing component, the signal processing component processes the signal, and then the heart rate condition of the wearer is displayed.
Compared with the prior art, the flexible adhesive bandage type packaging is adopted, the use area is not limited by the body part, any part can be used, such as carotid artery, chest, wrist, thigh internal artery and the like, meanwhile, the flexible adhesive bandage type packaging has excellent concealment and comfortableness, the whole volume of the heart rate meter is reduced, the problem that the traditional wrist strap type packaging can be effectively used only by specific tightness is solved, and the packaging mode brings more comfortable user experience to a wearer under the condition of ensuring good heart rate monitoring.
Further, the sensing assembly comprises a stress sensing module, the stress sensing module comprises an array type stress sensor, the array type stress sensor is formed by weaving a plurality of fiber filaments with nano-structure films on the surfaces, the fiber filaments are stacked in a crossing manner in the transverse direction and the longitudinal direction, and the nano-structure films on the surfaces of the fiber filaments are contacted with each other at the crossing position to form a sensing unit. Preferably, the number of the sensing units is 9-2000. Compared with a photoelectric sensor, the array type stress sensor has the advantages of multipoint real-time detection, high sensitivity and high stability.
Further, the nano-structure film is a one-dimensional nanowire film, a one-dimensional nanorod film, a one-dimensional nanotube film, a two-dimensional nano-sheet film or a three-dimensional network nano-structure film, and the nano-structure film is one or more of a metal nano-structure film or a semiconductor nano-structure film. The specific structure and material selection of the nanostructured thin film is wide and can be determined according to actual requirements.
Further, the fiber filaments are organic polymer fiber filaments, carbon fiber filaments, textile fiber filaments, metal filaments or optical fibers. The fiber silk material can be conductive material or fiber material with conductive layer plated on the surface, and has wide material selection range, and the diameter size can be determined according to practical requirements.
Further, the stress sensing module further comprises a wire and a hub, wherein the hub is connected with the array type stress sensor, and the wire is connected with the hub. The hub is used for arranging signal input and output ports of the array stress sensor and accessing the signal processing assembly.
Further, two ends of the sensing component are respectively connected with the power component and the signal processing component through flat cables. The assembly and the disassembly of the sensing assembly can be completed through the flat cable at the two ends of the plug, so that the problem that the heart rate meter needs to be replaced integrally once the sensing assembly is abnormal is avoided, and the subsequent maintenance cost of a user is reduced to the greatest extent.
Further, the signal processing assembly comprises a singlechip and a communication module, wherein the communication module is electrically connected with the singlechip and comprises a Bluetooth communication sub-module and a wifi communication sub-module for transmitting heart rate data.
Further, the power supply assembly comprises a battery and a USB charging port for supplying power to the sensing assembly and the signal processing assembly.
Further, the surfaces of the signal processing component and the power supply component are provided with adhesive layers for being adhered to a human body.
Further, the cladding component is silica gel, and the flexible substrate is fiber cloth, PDMS or PUA.
For a better understanding and implementation, the present invention is described in detail below with reference to the drawings.
Drawings
Fig. 1 is a schematic overall structure of a flexible adhesive bandage type heart rate meter of an embodiment.
Fig. 2 is a schematic structural diagram of a sensor assembly according to an embodiment.
Fig. 3 is a schematic structural diagram of a stress sensor module according to an embodiment.
Fig. 4 is a schematic diagram of an array structure of an array stress sensor according to an embodiment.
Fig. 5 is a schematic structural diagram of a signal processing component according to an embodiment.
Fig. 6 is a schematic structural diagram of a power supply assembly according to an embodiment.
Fig. 7 is a schematic diagram of an application of the flexible adhesive bandage type heart rate meter of the embodiment to pulse measurement.
Fig. 8 is a schematic illustration of an application of the flexible adhesive bandage type heart rate meter of an embodiment to heart rate measurement.
Detailed Description
Referring to fig. 1-6, the embodiment provides a flexible adhesive bandage type heart rate meter, which comprises a power supply assembly 3, a sensing assembly 1, a signal processing assembly 2, silica gel 5 and a flexible substrate 4, wherein the sensing assembly 1 and the signal processing assembly 2 are respectively and electrically connected with the power supply assembly 3, the signal processing assembly 2 is electrically connected with the sensing assembly 1, and the power supply assembly 3, the sensing assembly 1 and the signal processing assembly 2 are all coated in the silica gel 5 and are attached to the flexible substrate 4.
Specifically, the two ends of the sensing component 1 are respectively electrically connected with the power component 3 and the signal processing component 2 through the flat cable 6, and the mounting and dismounting of the sensing component can be completed through the flat cable at the two ends of the plug, so that the problem that the heart rate meter needs to be integrally replaced once the sensing component is abnormal is avoided, and the subsequent maintenance cost of a user is reduced to the greatest extent.
Specifically, the sensing assembly 1 comprises a stress sensing module 11, wherein the stress sensing module 11 comprises an array type stress sensor 113, a wire 111 and a hub 112, and the hub 112 is connected with the array type stress sensor 113 and is electrically connected with the flat cable 6 through the wire 111, so as to arrange signal input and output ports of the array type stress sensor 113 and access the signal processing assembly 2.
Specifically, the array stress sensor 113 is an array structure formed by weaving a plurality of carbon fiber wires 1131 with nano-structure films grown, coated or plated on the surfaces, wherein the carbon fiber wires 1131 are mutually overlapped in a cross manner in the transverse direction and the longitudinal direction, and the nano-structure films on the surfaces are mutually contacted at the cross position to form a sensing unit. Preferably, the number of the sensing units is 9-2000. The array receives external force, the electrical property of the array is changed, the extraction of heart rate signals is realized, and the process of converting the heart rate signals into electrical signals is realized, so that the real-time heart rate monitoring and recording function is provided for a wearer, and the array stress sensor has the advantages of multipoint real-time detection, high sensitivity and high stability.
Specifically, the signal processing component 2 comprises a singlechip and a communication module 21, and is respectively and electrically connected with the sensing component 1 and the power supply component 3 through the flat cable 6, wherein the communication module 21 has Bluetooth communication and wifi communication functions, is connected with other devices and transmits heart rate data.
Specifically, the power supply assembly 3 includes a battery 31 and a USB charging port, and is electrically connected to the sensing assembly 1 and the signal processing assembly 2 through the flat cable 6, respectively, for supplying power to the sensing assembly 1 and the signal processing assembly 2.
The working principle of the embodiment is that when a wearer sticks the flexible adhesive bandage type heart rate meter to the pulse positions such as an arm or a heart, the pulse beats to cause the change of the electrical performance of the array type stress sensor, the change of the electrical signals is collected by the sensing component, then the signals are transmitted to the singlechip for processing and are sent to the mobile terminal of the wearer through the communication module, finally the wearer is informed of the current heart rate condition in the form of a visual chart or a voice report, the process of extracting the heart rate signals is realized, and the process of converting the heart rate signals into the electrical signals is realized, so that the real-time monitoring and recording functions of the heart rate are provided for the wearer.
Fig. 7 is a schematic diagram of an application of the flexible adhesive bandage-type heart rate meter in pulse measurement, in which the array-type stress sensor with which the heart rate meter is matched is a piezoresistive type, and the nano-structured film used in the array-type stress sensor is a tungsten oxide nanowire film. Specifically, a flexible adhesive bandage type cardiotachometer is stuck on the left hand pulse of a user, the good comfort of the user is ensured, the stress change caused by pulse beating enables the distance between carbon fiber wires in the array type stress sensor to be reduced, the contact quantity of nanowires is increased, the resistance of two ends of the array type stress sensor is reduced, the resistance change quantity is in direct proportion to the strength of pulse beating, in addition, the change of an electrical signal is periodic and consistent with the pulse beating frequency, the signal is received by a signal processing assembly, and is transmitted to a mobile phone terminal of the user through a communication module after being processed by a single chip microcomputer, and finally the user knows the current pulse information through mobile phone software.
Referring to fig. 8, an application diagram of the flexible adhesive bandage type heart rate meter in heart rate measurement is shown, wherein the array type stress sensor with which the heart rate meter is matched is a pressure capacitance type, and the nanostructure film used in the array type stress sensor is a tungsten oxide nanowire film. Specifically, a flexible adhesive bandage type heart rate meter is stuck to the left chest of a user, the good comfort of the user is ensured, the distance between carbon fiber wires in the array type stress sensor is reduced due to stress change caused by heart beating, the right-facing effective area of the nanowires is increased, the capacitance at two ends of the array type stress sensor is increased, the capacitance change amount is in direct proportion to the strength of pulse beating, in addition, the change of an electrical signal is periodic and consistent with the beating frequency of the heart, the signal is received by a signal processing assembly, the signal is processed by a single chip microcomputer and then sent to a mobile phone terminal of the user through a communication module, and finally the user knows the current pulse information through mobile phone software.
Compared with the prior art, the flexible adhesive bandage type packaging is adopted, the use area is not limited by the body part, any part can be used, such as carotid artery, chest, wrist, thigh internal artery and the like, meanwhile, the flexible adhesive bandage type packaging has excellent concealment and comfortableness, the whole volume of the heart rate meter is reduced, the problem that the traditional wrist strap type packaging can be effectively used only by specific tightness is solved, and the packaging mode brings more comfortable user experience to a wearer under the condition of ensuring good heart rate monitoring. In addition, the invention is matched with the array type stress sensor, compared with the photoelectric type stress sensor, the array type stress sensor has the advantages of multipoint real-time detection, high sensitivity and high stability, and the sensor is replaceable, so that the subsequent maintenance cost of a user is reduced to the greatest extent. Based on the idea of array type packaging, the method is hopeful to be combined with modern traditional Chinese medicine, and for simultaneous detection of three parts of cun, guan and chi, the method is matched with a modern traditional Chinese medicine pulse condition library, and the physical condition of a wearer is informed in advance.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (3)
1. A flexible adhesive bandage type heart rate meter is characterized by comprising a power supply assembly, a sensing assembly, a flat cable, a signal processing assembly, a coating assembly and a flexible substrate, wherein two ends of the sensing assembly are respectively and electrically connected with the signal processing assembly and the power supply assembly through the flat cable, the signal processing assembly is electrically connected with the sensing assembly, adhesive layers are arranged on the surfaces of the signal processing assembly and the power supply assembly, the sensing assembly and the signal processing assembly are coated in the coating assembly and are attached to the flexible substrate, the coating assembly is silica gel, the flexible substrate is fiber cloth, PDMS or PUA, the sensing assembly comprises a stress sensing module, the stress sensing module comprises an array type stress sensor, a hub and a wire, the array type stress sensor is connected with the hub through the wire, the array type stress sensor is formed by a plurality of fiber wires with nano-structure films on the surfaces in a weaving mode, the nano-structure films are one-dimensional nano wire films, one-dimensional nano rod films, one-dimensional nano tube films, two-dimensional nano-sheet films or nano-film films or a nano-wire film or a nano-structure film or a nano-wire or a nano-fiber composite structure film or a nano-fiber composite structure, and a plurality of the nano-fiber films are mutually stacked on the surfaces of the cross-machine, and the cross-direction fiber films or the cross-direction fiber films are formed on the surfaces of the surface of the nano-structure films or the nano-fiber films.
2. The flexible adhesive bandage type heart rate meter of claim 1 wherein the signal processing component comprises a single chip microcomputer and a communication module, wherein the communication module is electrically connected with the single chip microcomputer, and the communication module comprises a Bluetooth communication sub-module and a wifi communication sub-module for transmitting heart rate data.
3. The flexible wound plaster heart rate meter of claim 1 wherein the power supply assembly comprises a battery and a USB charging port to power the sensing assembly and the signal processing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711314037.1A CN107928659B (en) | 2017-12-12 | 2017-12-12 | A flexible band-aid type heart rate monitor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711314037.1A CN107928659B (en) | 2017-12-12 | 2017-12-12 | A flexible band-aid type heart rate monitor |
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| CN107928659A CN107928659A (en) | 2018-04-20 |
| CN107928659B true CN107928659B (en) | 2024-12-31 |
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| CN201711314037.1A Active CN107928659B (en) | 2017-12-12 | 2017-12-12 | A flexible band-aid type heart rate monitor |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110403592B (en) * | 2018-04-28 | 2022-03-29 | 五邑大学 | Wrist strap type heart rate meter |
| CN110411621B (en) * | 2018-04-28 | 2024-07-16 | 五邑大学 | A kind of interpenetrating stress sensor |
| CN110403274A (en) * | 2018-04-28 | 2019-11-05 | 五邑大学 | A flexible stress measurement glove |
| CN110411622B (en) * | 2018-04-28 | 2024-07-16 | 五邑大学 | All-textile stress sensor |
| CN110411625B (en) * | 2018-04-28 | 2024-07-16 | 五邑大学 | A docking stress sensor |
| CN110403589B (en) * | 2018-04-28 | 2022-04-01 | 五邑大学 | Disposable heart rate plaster |
| CN108937901B (en) * | 2018-06-14 | 2021-07-23 | 南昌华勤电子科技有限公司 | Electronic device, heart rate detection device and heart rate detection method |
| CN109805900A (en) * | 2019-04-01 | 2019-05-28 | 清华大学 | Contractile pressure flexible detection equipment |
| CN113155160A (en) * | 2021-04-26 | 2021-07-23 | 深圳无芯科技有限公司 | Flexible capacitive touch sensing array and process method |
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| CN101986115A (en) * | 2010-10-22 | 2011-03-16 | 惠州市卓耐普智能技术有限公司 | Coating structure for locating center of sensor and forming method thereof |
| CN104545871A (en) * | 2015-01-29 | 2015-04-29 | 重庆墨希科技有限公司 | Graphene-based pulse and heart rate meter |
| CN107271084A (en) * | 2017-06-22 | 2017-10-20 | 五邑大学 | A kind of flexibility stress sensor and preparation method thereof |
| CN208799214U (en) * | 2017-12-12 | 2019-04-30 | 五邑大学 | A kind of mounted cardiotach ometer of flexibility wound |
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