CN112603307A - Finger-clamping type pulse monitor based on triboelectricity - Google Patents
Finger-clamping type pulse monitor based on triboelectricity Download PDFInfo
- Publication number
- CN112603307A CN112603307A CN202110011672.2A CN202110011672A CN112603307A CN 112603307 A CN112603307 A CN 112603307A CN 202110011672 A CN202110011672 A CN 202110011672A CN 112603307 A CN112603307 A CN 112603307A
- Authority
- CN
- China
- Prior art keywords
- friction material
- material layer
- sensor
- finger
- pulse monitor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 239000002783 friction material Substances 0.000 claims abstract description 39
- 239000002131 composite material Substances 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 44
- -1 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
-
- 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
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
-
- 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
- A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
-
- 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
- A61B5/02438—Detecting, measuring or recording 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
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14542—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring blood gases
-
- 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
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6825—Hand
- A61B5/6826—Finger
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Cardiology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physiology (AREA)
- Optics & Photonics (AREA)
- Pulmonology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention discloses a finger-clamping type pulse monitor based on triboelectricity, which comprises a clamp body and a sensor arranged on the clamp body; the sensor is used for detecting pulse vibration signals, and the innovation lies in that: the sensor is of a layered composite structure and sequentially comprises a first friction material layer, a hollow fulcrum layer, a second friction material layer and an electrode layer from top to bottom; the beneficial technical effects of the invention are as follows: the finger-clamping type pulse monitor based on the triboelectricity is provided, the scheme can realize detection based on the principle of the triboelectricity, the sensor does not need external power supply, the structural size and the weight can be effectively reduced, and the sensitivity of the sensor is improved.
Description
Technical Field
The invention relates to a pulse monitor, in particular to a finger-clamping type pulse monitor based on triboelectricity.
Background
The pulse monitor is an existing device, and generally has two sensing modes, wherein one mode is to detect the blood oxygen concentration through a photoelectric sensor, and the other mode is to detect a pulse vibration signal through a pressure sensor; for a portable pulse monitor, the two sensor solutions have the following problems: 1) the photoelectric sensor needs external power supply, and for the portable pulse monitor, the photoelectric sensor needs to be provided with a battery with larger capacity, so that the pulse monitor has larger weight and size, is inconvenient to store and carry, has more parts and is not beneficial to weight reduction of the device; 2) the pressure sensor generally adopts a strain type or piezoelectric type sensor, the sensitivity of the pressure sensor is low, the pressure sensor cannot respond to weak signals in the pulse vibration process, and the detected signals cannot reflect the detail information of waveforms.
Disclosure of Invention
Aiming at the problems in the background art, the invention provides a finger-clipped pulse monitor based on triboelectricity, which comprises a clip body and a sensor arranged on the clip body; the sensor is used for detecting pulse vibration signals, and the innovation lies in that: the sensor is of a layered composite structure and sequentially comprises a first friction material layer, a hollow fulcrum layer, a second friction material layer and an electrode layer from top to bottom;
the friction electrode sequences of the first friction material layer and the second friction material layer are different;
the hollow fulcrum layer is a concentric ring structure formed by a plurality of ring structures; the adjacent annular structures are connected through radial connecting arms; the solid part of a single annular structural body is provided with a plurality of round holes which are uniformly distributed along the circumferential direction of the annular structural body. The radial connecting arms mainly have the function of keeping the structural integrity of the plurality of annular structures and facilitating the transportation and installation of the structures.
The principle of the invention is as follows: when the clamp is used, a finger is placed in a detection hole in the clamp body, the finger can extrude the sensor under the clamping action of the clamp body, so that the first friction material layer, the hollowed fulcrum layer and the second friction material layer are attached to each other, a large number of tiny gaps can be formed between the first friction material layer and the second friction material layer due to the fact that a large number of hollows exist on the hollowed fulcrum layer, the tiny gaps can be separated and contacted continuously under the pulse vibration action, charges can be generated continuously on the friction material layer due to the fact that the friction electrode sequences of the first friction material layer and the second friction material layer are different, the generated charges are output to a processing circuit (arranged on the clamp body) through the electrode layer, the processing circuit processes the obtained electric signals according to the pressure pulse wave detection principle, and finally a pulse wave signal can be obtained; compared with the prior art, the invention has the following advantages: 1) the sensor realizes detection according to a triboelectric principle, external power supply is not needed, and the capacity of a battery equipped on the device only needs to meet the requirement of a processing circuit, so that the size of the battery can be effectively reduced, and the size and the weight of the device are reduced; 2) the sensor has fewer parts and smaller size, so that the installation space can be effectively saved, and the structural weight is reduced; 3) the hollow fulcrum layer can enable the friction material layer to form a large number of small gaps after being attached tightly, a large number of frequent frictions among the friction material layers are achieved through the small gaps, the response capability of the sensor to weak signals is effectively improved, and the detection signals can embody the detail information of waveforms.
Preferably, the plurality of annular structures constituting the concentric annular structure are all circular rings.
Preferably, the plurality of annular structures constituting the concentric annular structure are all square rings.
Preferably, the plurality of annular structures constituting the concentric annular structure are all triangular rings.
Preferably, the lower side surface of the first friction material layer is provided with a texture formed by a microstructure; the upper side surface of the second friction material layer is provided with textures formed by microstructures. After the texture formed by the microstructure is arranged, the gap between the friction material layers can be further increased, so that the friction effect and the sensitivity of the friction material layers are improved.
The beneficial technical effects of the invention are as follows: the finger-clamping type pulse monitor based on the triboelectricity is provided, the scheme can realize detection based on the principle of the triboelectricity, the sensor does not need external power supply, the structural size and the weight can be effectively reduced, and the sensitivity of the sensor is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of a sensor of the present invention;
FIG. 3 is a schematic cross-sectional view of a sensor of the present invention in a squeezed state;
FIG. 4 is a schematic view of a plurality of ring structures when the ring structures are circular rings;
FIG. 5 is a schematic structural view of a plurality of ring structures in the form of square rings;
FIG. 6 is a schematic structural view of a plurality of triangular rings;
the names corresponding to each mark in the figure are respectively: the friction material comprises a first friction material layer 1, a hollowed-out fulcrum layer 2, a radial connecting arm 21, an annular structural body 22, a round hole 23, a second friction material layer 3, an electrode layer 4, a clamp A and a sensor B.
Detailed Description
A finger-clamping type pulse monitor based on triboelectricity comprises a clamp body and a sensor arranged on the clamp body; the sensor is used for detecting pulse vibration signals, and the innovation lies in that: the sensor is of a layered composite structure and sequentially comprises a first friction material layer 1, a hollow fulcrum layer 2, a second friction material layer 3 and an electrode layer 4 from top to bottom;
the friction electrode sequences of the first friction material layer 1 and the second friction material layer 3 are different;
the hollow fulcrum layer 2 is a concentric ring structure formed by a plurality of ring structures; the adjacent annular structures are connected through radial connecting arms 21; the solid part of a single annular structural body is provided with a plurality of round holes which are uniformly distributed along the circumferential direction of the annular structural body.
Further, a plurality of ring structures constituting the concentric ring structure are all circular rings.
Further, a plurality of ring structures constituting the concentric ring structure are all square rings.
Further, a plurality of annular structures constituting the concentric annular structure are all triangular rings.
Further, the lower side surface of the first friction material layer 1 is provided with textures formed by microstructures; the upper side of the second friction material layer 3 is provided with a texture formed by a microstructure.
In specific implementation, one of the friction material layers can be made of materials such as polyimide, polyvinyl chloride, polystyrene, polytetrafluoroethylene, polydimethylsiloxane, polypropylene and the like, and the other friction material layer can be made of materials such as nylon, polypropylene alcohol, metal oxide and the like; the electrode layer can be an aluminum film, a platinum film, a copper film, a silver film or a gold film; a protective layer may also be provided on the surface of the first friction material layer 1 to improve the wear resistance of the first friction material layer 1, and an electrode layer may be deposited on the friction material layer through a deposition process.
Claims (5)
1. A finger-clamping type pulse monitor based on triboelectricity comprises a clamp body and a sensor arranged on the clamp body; the sensor is used for detecting pulse vibration signals, and is characterized in that: the sensor is of a layered composite structure and sequentially comprises a first friction material layer (1), a hollow fulcrum layer (2), a second friction material layer (3) and an electrode layer (4) from top to bottom;
the friction electrode sequences of the first friction material layer (1) and the second friction material layer (3) are different;
the hollow fulcrum layer (2) is a concentric ring structure formed by a plurality of ring structures; the adjacent annular structures are connected through radial connecting arms (21); the solid part of a single annular structural body is provided with a plurality of round holes which are uniformly distributed along the circumferential direction of the annular structural body.
2. The triboelectric-based finger-clip pulse monitor according to claim 1, wherein: the plurality of annular structures constituting the concentric annular structure are all circular rings.
3. The triboelectric-based finger-clip pulse monitor according to claim 1, wherein: the plurality of annular structures constituting the concentric annular structure are all square rings.
4. The triboelectric-based finger-clip pulse monitor according to claim 1, wherein: the plurality of annular structures forming the concentric annular structure are all triangular rings.
5. The triboelectric-based finger-clip pulse monitor according to claim 1, 2, 3 or 4, wherein: the lower side surface of the first friction material layer (1) is provided with textures formed by microstructures; the upper side surface of the second friction material layer (3) is provided with textures formed by microstructures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110011672.2A CN112603307A (en) | 2021-01-06 | 2021-01-06 | Finger-clamping type pulse monitor based on triboelectricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110011672.2A CN112603307A (en) | 2021-01-06 | 2021-01-06 | Finger-clamping type pulse monitor based on triboelectricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112603307A true CN112603307A (en) | 2021-04-06 |
Family
ID=75254067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110011672.2A Pending CN112603307A (en) | 2021-01-06 | 2021-01-06 | Finger-clamping type pulse monitor based on triboelectricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112603307A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204207726U (en) * | 2014-09-19 | 2015-03-18 | 纳米新能源（唐山）有限责任公司 | Based on the finger tip pulse detecting device of friction generator |
| CN105769136A (en) * | 2014-12-26 | 2016-07-20 | 北京纳米能源与***研究所 | Self power supply pressure vibrating sensor |
-
2021
- 2021-01-06 CN CN202110011672.2A patent/CN112603307A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204207726U (en) * | 2014-09-19 | 2015-03-18 | 纳米新能源（唐山）有限责任公司 | Based on the finger tip pulse detecting device of friction generator |
| CN105769136A (en) * | 2014-12-26 | 2016-07-20 | 北京纳米能源与***研究所 | Self power supply pressure vibrating sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yamada et al. | Tactile sensor with 3-axis force and vibration sensing functions and its application to detect rotational slip | |
| US4555953A (en) | Composite, multifunctional tactile sensor | |
| CN110589754B (en) | Flexible underwater pressure sensor and preparation method thereof | |
| CN108444620B (en) | Same-layer type multi-stage array pressure sensor | |
| CN106618521A (en) | Wearable wrist integrated sensor based on PVDF piezoelectric film and preparation method of wearable wrist integrated sensor | |
| KR102214226B1 (en) | Piezoresistive-type flexible sensor including laminated rlc and preparing method thereof | |
| JP2009521698A5 (en) | ||
| CN105991064A (en) | Tactile sensor based on friction power generators and robot tactile perception system | |
| CN103954394A (en) | Flexible pressure sensor based on dielectric high-elastic polymer, and method for sensing pressure | |
| US20030034534A1 (en) | Sensor apparatus using an electrochemical cell | |
| CN210400662U (en) | Flexible three-dimensional touch sensor based on piezoresistive material | |
| CN108444617B (en) | Digital bionic hair sensing structure | |
| CN109406013B (en) | Sensor and preparation method thereof | |
| CN205647296U (en) | Touch sensing ware and tactile sensing system of robot based on friction electric generator | |
| Hwang et al. | A polymer-based flexible tactile sensor for normal and shear load detection | |
| CN112603307A (en) | Finger-clamping type pulse monitor based on triboelectricity | |
| US4748672A (en) | Induced vibration dynamic touch sensor system and method | |
| CN207036311U (en) | A kind of signal detection sensing arrangement | |
| JP6324566B2 (en) | Sensor using polymer gel | |
| CN211373891U (en) | Flexible integrated array sensor | |
| CN2556648Y (en) | Piezoelectric film acceleration sensor for high impact overload detecting and controlling | |
| JPH07140025A (en) | Tactile sensor | |
| WO2017190485A1 (en) | Sensor based on friction power generation, apparatus for collecting physiological signal of human body, and robot tactile perception system | |
| CN206133509U (en) | Pressure detection device and pressure pen | |
| JP2000283869A (en) | Sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210415 Address after: 314032 5th floor, South Building, building 1 (nano development building), 1133 Taoyuan Road, Gaozhao street, Xiuzhou District, Jiaxing City, Zhejiang Province Applicant after: Jiaxing maiteng Technology Co.,Ltd. Applicant after: Yangtze River Delta (Jiaxing) nanotechnology Research Institute Address before: 314032 5th floor, South Building, building 1 (nano development building), 1133 Taoyuan Road, Gaozhao street, Xiuzhou District, Jiaxing City, Zhejiang Province Applicant before: Jiaxing maiteng Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210406 |
|
| RJ01 | Rejection of invention patent application after publication |