CN115363540A - Optical fiber sensing unit, sensor and intelligent sensing device for vital signs - Google Patents
Optical fiber sensing unit, sensor and intelligent sensing device for vital signs Download PDFInfo
- Publication number
- CN115363540A CN115363540A CN202210848384.7A CN202210848384A CN115363540A CN 115363540 A CN115363540 A CN 115363540A CN 202210848384 A CN202210848384 A CN 202210848384A CN 115363540 A CN115363540 A CN 115363540A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- fiber sensing
- sensing part
- unit
- vital sign
- 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
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—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
-
- 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
- A61B5/1118—Determining activity level
-
- 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
- A61B5/6802—Sensor mounted on worn items
-
- 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
- A61B5/6802—Sensor mounted on worn items
- A61B5/6804—Garments; Clothes
-
- 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
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
- A61B5/6892—Mats
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physiology (AREA)
- Cardiology (AREA)
- Pulmonology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention discloses a vital sign optical fiber monitoring unit, wherein a first optical fiber sensing part is transversely arranged to form a first sensing layer, a second optical fiber sensing part is arranged to form a second sensing layer, the first sensing layer and the second sensing layer are arranged in a stacked mode, and the first optical fiber sensing part and the second optical fiber sensing part are arranged in a crossed mode; the change of the refractive index of the optical fiber after being pressed is utilized, the pressure is applied to the optical fiber sensing layers which are arranged in a double-layer crossing way due to the micro or macro motion caused by the heartbeat, the respiration, the body movement and the like of the body, the relative pressure is applied to the upper optical fiber sensing part and the lower optical fiber sensing part, and the intensity and the sensitivity of the detection signal are greatly improved. The invention also provides a vital sign optical fiber sensor and an intelligent sensing device.
Description
Technical Field
The invention relates to the technical field of optical fibers, in particular to an optical fiber monitoring unit, a sensor and an intelligent sensing device for vital signs.
Background
With the development of the medical health industry, daily monitoring of vital signs is of increasing concern. The existing vital sign monitor usually adopts a single signal to detect a single index, and has certain requirements on body posture during monitoring. Fiber optic sensors have gained increasing attention due to their sensitivity to pressure, temperature, vibration, etc. The optical fiber sensor has high sensitivity, chemical inertness and portability, and the soft texture can be integrated into household products for daily use. However, when the optical fiber sensor is used for monitoring vital signs, environmental noise is large, and phase change of optical signals is easily caused, so that signal fading and inaccuracy are caused, and the monitoring result is unreliable. Meanwhile, due to the material of the optical fiber, the optical fiber is easy to break when the pressure is increased in order to improve the signal strength.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a vital sign optical fiber sensing unit, a sensor and an intelligent sensing device.
The invention provides a vital sign optical fiber sensing unit, which comprises: the optical fiber sensing device comprises a first optical fiber sensing part and a second optical fiber sensing part;
the first optical fiber sensing parts are transversely arranged to form a first sensing layer, the second optical fiber sensing parts are longitudinally arranged to form a second sensing layer, the first sensing layer and the second sensing layer are stacked, and the first optical fiber sensing parts and the second optical fiber sensing parts are arranged in a crossed mode.
Preferably, the first optical fiber sensing part and the second optical fiber sensing part are sequentially connected and integrally formed.
According to the vital sign optical fiber sensing unit, the first optical fiber sensing part is transversely arranged to form the first sensing layer, the second optical fiber sensing part is longitudinally arranged to form the second sensing layer, the first sensing layer and the second sensing layer are arranged in a stacked mode, and the first optical fiber sensing part and the second optical fiber sensing part are arranged in a crossed mode; the change of the refractive index of the optical fiber after being pressed is utilized, the pressure is applied to the optical fiber sensing layers which are arranged in a double-layer crossing way due to the micro or macro motion caused by the heartbeat, the respiration, the body movement and the like of the body, the relative pressure is applied to the upper optical fiber sensing part and the lower optical fiber sensing part, and the intensity and the sensitivity of the detection signal are greatly improved.
The invention also provides a vital sign optical fiber sensor which comprises at least one optical fiber sensing unit.
Preferably, the device also comprises a light source unit and a receiving unit;
the light incidence end of the optical fiber sensing unit is connected with the output end of the light source unit, and the light emergent end of the optical fiber sensing unit is connected with the receiving unit.
Preferably, the receiving unit includes a first receiver and a second receiver, the light emitting end of the first optical fiber sensing part is connected with the first receiver, and the light emitting end of the second optical fiber sensing part is connected with the second receiver.
Preferably, the optical fiber sensor comprises a plurality of optical fiber sensing units which are sequentially connected in series.
In the present invention, the technical effect of the proposed optical fiber sensor for vital signs is similar to that of the aforementioned optical fiber sensor unit for vital signs, and therefore, the description thereof is omitted.
The invention also provides an intelligent sensing device which comprises a base pad and the vital sign optical fiber sensor.
Preferably, the base pad is provided with a first accommodating groove and a second accommodating groove which are arranged in a crossed manner, and the first optical fiber sensing part and the second optical fiber sensing part are respectively positioned in the first accommodating groove and the second accommodating groove and are arranged in a stacked manner.
Preferably, the first receiving groove and the second receiving groove both extend in an S-shaped direction, and are arranged crosswise on the base mat to form a grid structure.
Preferably, the first optical fiber sensing part is located above the second optical fiber sensing part, the bottom of the first accommodating groove is higher than the bottom of the second accommodating groove, and a staggered step matched with the first optical fiber sensing part and the second optical fiber sensing part is formed at the intersection of the first accommodating groove and the second accommodating groove;
preferably, the second optical fiber sensing part is connected to the base pad at the staggered step.
Preferably, the cover pad is covered above the bottom pad;
preferably, the bottom of the cover pad is provided with a first pressing strip and a second pressing strip which respectively correspond to the first optical fiber sensing part and the second optical fiber sensing part;
more preferably, the first bead and/or the second bead are made of silicone material.
Preferably, the cover pad and/or the base pad are made of fiberglass material.
According to the intelligent sensing device, the vital sign optical fiber sensor is utilized, when a human body presses the cushion body, comfort degree is guaranteed, and meanwhile, the vital sign is sensitively and accurately detected through a detection signal formed by pressing the optical fiber sensing part.
Drawings
Fig. 1 is a schematic structural diagram of an arrangement of a vital sign optical fiber sensing unit according to the present invention.
Fig. 2 is a schematic structural diagram of another arrangement of the optical fiber vital sign sensing unit according to the present invention.
Fig. 3 is a schematic structural diagram of a connection mode of the optical fiber vital sign sensor according to the present invention, which corresponds to fig. 1.
Fig. 4 is a schematic structural diagram of a connection manner of the optical fiber vital sign sensor according to the present invention and fig. 2.
Fig. 5 is a schematic structural diagram of a base mat of an intelligent sensing device according to the present invention.
Fig. 6 is a schematic structural diagram of a cover pad of an intelligent sensor device according to the present invention.
Fig. 7 is a schematic view of a partial structure of a smart sensor device according to the present invention, in which a pressing bar is engaged with an accommodating groove.
Detailed Description
As shown in fig. 1 to 7, fig. 1 is a schematic structural diagram of an arrangement manner of a vital sign optical fiber sensing unit according to the present invention, fig. 2 is a schematic structural diagram of another arrangement manner of a vital sign optical fiber sensing unit according to the present invention, fig. 3 is a schematic structural diagram of a connection manner of a vital sign optical fiber sensor according to the present invention and fig. 1, fig. 4 is a schematic structural diagram of a connection manner of a vital sign optical fiber sensor according to the present invention and fig. 2, fig. 5 is a schematic structural diagram of a connection manner of a vital sign optical fiber sensor according to the present invention, fig. 6 is a schematic structural diagram of a base cushion of an intelligent sensing device according to the present invention, and fig. 7 is a schematic structural diagram of a cover cushion of an intelligent sensing device according to the present invention.
Referring to fig. 1 and 2, the optical fiber sensing unit for vital signs according to the present invention includes: a first optical fiber sensing part 1 and a second optical fiber sensing part 2;
the first optical fiber sensing part 1 is transversely arranged to form a first sensing layer, the second optical fiber sensing part 2 is longitudinally arranged to form a second sensing layer, the first sensing layer and the second sensing layer are arranged in a stacked mode, and the first optical fiber sensing part 1 and the second optical fiber sensing part 2 are arranged in a crossed mode.
In a specific configuration of the optical fiber sensing unit, as shown in fig. 1, the first optical fiber sensing part 1 and the second optical fiber sensing part 2 may be formed by two sensing optical fibers in a cross-stacked arrangement, as shown in fig. 2, or may be formed by bending and crossing two ends of one sensing optical fiber.
Referring to fig. 3 and 4, the present embodiment further provides a vital signs optical fiber sensor, including at least one optical fiber sensing unit as described above; further, the vital sign optical fiber sensor further comprises a light source unit 3 and a receiving unit 4;
the light incident end of the optical fiber sensing unit is connected with the output end of the light source unit 3, and the light emergent end of the optical fiber sensing unit is connected with the receiving unit 4.
In the vital sign optical fiber sensing unit and the optical fiber sensor provided in this embodiment, the first optical fiber sensing portion is transversely arranged to form the first sensing layer, the second optical fiber sensing portion is arranged to form the second sensing layer, the first sensing layer and the second sensing layer are stacked, and the first optical fiber sensing portion and the second optical fiber sensing portion are arranged in a crossing manner; the change of the refractive index of the optical fiber after being pressed is utilized, the pressure is applied to the optical fiber sensing layers which are arranged in a double-layer crossing way due to the micro or macro motion caused by the heartbeat, the respiration, the body movement and the like of the body, the relative pressure is applied to the upper optical fiber sensing part and the lower optical fiber sensing part, and the intensity and the sensitivity of the detection signal are greatly improved.
Referring to fig. 3, in an embodiment of the vital sign optical fiber sensing unit, the first optical fiber sensing part 1 and the second optical fiber sensing part 2 may be stacked by two separate sensing optical fibers; accordingly, in the setup of the vital signs optical fiber sensor, the receiving unit 4 comprises a first receiver 41 and a second receiver 42, the light emitting end of the first optical fiber sensing part 1 is connected with the first receiver 41, and the light emitting end of the second optical fiber sensing part 2 is connected with the second receiver 42.
During specific detection, light signals emitted by the light source unit respectively pass through the first optical fiber sensing part and the second optical fiber sensing part, and then are received by the first receiver and the second receiver respectively; when human body and optical fiber sensing unit one side contact, because micro or macroscopic motion that heartbeat, breathing and body activity etc. lead to, exert pressure to optical fiber sensing unit one side for first optical fiber sensing portion and second optical fiber sensing portion cross position exert pressure relatively, make the two relevant position refracting index change, the light signal that two receivers received changes, through the stack processing to two light signals, thereby realizes the sensitive accurate monitoring to vital sign.
Referring to fig. 4, in another specific embodiment of the optical fiber sensing unit for vital signs, a first optical fiber sensing part 1 and a second optical fiber sensing part 2 are sequentially connected and integrally formed; in a specific arrangement, the first sensing layer and the second sensing layer can be sequentially wired by sequentially bending and laminating the whole optical fiber.
Correspondingly, one end, far away from the second optical fiber sensing part, of the first optical fiber sensing part is connected with the output end of the light source unit, and one end, far away from the first optical fiber sensing part, of the second optical fiber sensing part is connected with the receiving unit.
When the optical fiber sensing unit is used for detecting the light signals emitted by the light source unit, the light signals sequentially pass through the first optical fiber sensing part and the second optical fiber sensing part to enter the receiving unit, and when the first sensing layer and the second sensing layer are pressed from one side of the optical fiber sensing unit, the first optical fiber sensing part and the second optical fiber sensing part are arranged in a crossed mode, so that the crossed positions of the first optical fiber sensing part and the second optical fiber sensing part are pressed simultaneously, the intensity of the detected signals is greatly enhanced, and the influence of noise on the detection result is reduced.
In the actual design of the optical fiber sensor, the optical fiber sensor further comprises a photoelectric emission tube current control module, a photoelectric receiving tube signal amplification module, a data acquisition module, a data processing module and a data wireless transmission module. The current of a photoelectric emission tube current control module is 1mA-60mA adjustable, the gain resistance of a photoelectric receiving tube signal amplification module is 50 omega-2K omega adjustable, the frequency of a data acquisition module can be selected to be 128Hz, a photoelectric emission tube is adopted as a light source unit, the center wavelength is 1200-1600nm, the bandwidth of 3dB is less than 5nm, the power is 0.1mW-10mW adjustable, a photoelectric receiving tube is adopted as a receiving unit, the response wavelength is 1260nm-1610nm, and the response sensitivity is more than 0.5 muA/muW at 1310 nm.
In the specific design mode of the optical fiber sensor, the optical fiber sensor can comprise a plurality of optical fiber sensing units which are sequentially connected in series, so that the optical fiber sensor can be designed in monitoring areas required by various use scenes, the crosstalk among sensing areas can be reduced, the optical power fluctuation caused by the hardware of the optical fiber sensing device is reduced, and the stability and the consistency of the optical fiber sensing device are improved.
The optical fiber sensor for vital signs of the embodiment can be applied to the fields of mattresses, seat cushions, back cushions, wearable sensors carried about and the like in specific application. In addition, the sensor of the embodiment can also use clothes such as waistcoats and coats as carriers, and realize vital sign monitoring by wearing the clothes on a human body.
Referring to fig. 5 and 6, in order to describe in detail the specific application of the optical fiber vital sign sensor of the present embodiment, the present embodiment further provides an intelligent sensing device, which includes a bottom pad 5 and the optical fiber vital sign sensor;
in a specific embodiment of the base pad, the base pad 5 is provided with a first receiving groove and a second receiving groove which are arranged in a crossed manner, and the first optical fiber sensing part 1 and the second optical fiber sensing part 2 are respectively located in the first receiving groove and the second receiving groove and are arranged in a stacked manner.
In the concrete design mode, first holding tank with the second holding tank all extends along the S type direction, and the two is arranged in the crossing formation grid structure on heelpiece 5, and during the arrangement, second optical fiber sensing portion arranges in proper order in the second holding tank along the S type, then first optical fiber sensing portion arranges in proper order in first holding tank along the S type in second optical fiber sensing portion top, realizes that the crosspoint is netted distribution between first optical fiber sensing portion and the second optical fiber sensing portion, realizes the monitoring of human on whole heelpiece surface.
In the specific wiring mode of the base pad, bare wire areas of optical fibers are distributed in a groove-shaped pattern on the upper surface of a floor, the opening faces of linear grooves are sealed by adhesive tapes, the opening faces of square grooves are exposed, the optical fibers are crossed in the square grooves, the cross points are positioned at the geometric center of the square grooves, and the optical fibers are crossed to form a net-shaped square grid in each basic unit.
Referring to fig. 7, in a specific arrangement manner of the first optical fiber sensing part and the second optical fiber sensing part, the first optical fiber sensing part 1 is located above the second optical fiber sensing part 2, the bottom height of the first accommodating groove is higher than that of the second accommodating groove, and a staggered step matched with the first optical fiber sensing part 1 and the second optical fiber sensing part 2 is formed at the intersection of the first accommodating groove and the second accommodating groove; through the difference in height of first holding tank and second holding tank, support first optical fiber sensing portion and second optical fiber sensing portion when exerting pressure, prevent that first optical fiber sensing portion and second optical fiber sensing portion cross position pressurized from excessively causing the damage.
In order to ensure that the crossing position is not easily deviated, the second optical fiber sensing part 2 is connected with the bottom pad 5 at the staggered step.
In other specific design modes of the intelligent sensing device, the intelligent sensing device further comprises a cover mat 6, and the cover mat 6 covers the bottom mat 5;
in order to improve the detection sensitivity of the optical fiber sensing part when the pressure is applied, the bottom of the cover pad 6 is provided with a first pressing strip 7 and a second pressing strip 8 which respectively correspond to the first optical fiber sensing part 1 and the second optical fiber sensing part 2, the first pressing strip abuts against the first optical fiber sensing part, and the second pressing strip abuts against the second optical fiber sensing part; preferably, the first bead 7 and/or the second bead 8 are made of silicone material.
When the optical fiber sensor is pressed, the cover pad deforms downwards, pressure is applied to the intersection of the optical fiber at the intersection of the adhesive tapes on the lower surface of the cover pad to cause optical power change in the optical fiber, and because vital sign signals, heart rate and respiration are periodic signals, the original signals monitored by the optical fiber sensor can be analyzed and extracted by detecting the optical power signals; when a plurality of pressure signals (including noise signals) with different frequencies act on the optical fiber sensor at the same time, the respective frequencies or periods of the different pressure signals can be extracted through conventional Fourier transform and period statistical algorithms, so that data such as heart rate and respiration are obtained.
In an actual use mode, the optical fiber sensor is placed below (closely contacted with) the chest cavity of a person lying on the back or on the side, and the breathing and heartbeat frequency of the person can be extracted in real time through a corresponding algorithm; if mattresses such as palms, silica gel and Simmons are added between a person lying on the back or on the side and the optical fiber sensor, the respective limit thicknesses exist, and the breathing and heartbeat frequencies of the person can also be extracted in real time through a corresponding algorithm within the limit thickness of the corresponding mattress.
In the specific selection of materials, the cover pad 6 is further included, and the cover pad 6 and/or the base pad 5 are made of glass fiber materials.
In other concrete design modes, the edge sealing strips are adhered to the periphery of the upper surface of the base mat, the material is silica gel, the width is 15mm, the thickness is 1.5mm, the outer sides of the edge sealing strips are aligned with the outer sides of the base mat, and the edge sealing strips are positioned between the lower surface of the cover mat and the upper surface of the base mat after the cover mat is adhered to the base mat.
In actual products, the intelligent sensing device of the embodiment can be used as an intelligent unit, can be integrated into an existing mattress, a cushion and a back cushion, and can also be used for monitoring vital signs by taking clothes such as a waistcoat and a coat as carriers and wearing the clothes by a human body.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A fiber optic vital sign monitoring unit comprising: a first optical fiber sensing part (1) and a second optical fiber sensing part (2);
the first optical fiber sensing part (1) is transversely arranged to form a first sensing layer, the second optical fiber sensing part (2) is longitudinally arranged to form a second sensing layer, the first sensing layer and the second sensing layer are stacked, and the first optical fiber sensing part (1) and the second optical fiber sensing part (2) are arranged in a crossed mode.
2. Optical fiber vital sign monitoring unit according to claim 1, wherein the first (1) and second (2) optical fiber sensing parts are connected in series and integrally formed.
3. Optical fiber vital sign monitoring device, characterized in that it comprises at least one optical fiber sensing unit according to claim 1 or 2.
4. Optical fiber vital sign monitoring device according to claim 3, further comprising a light source unit (3), a receiving unit (4);
the light incidence end of the optical fiber sensing unit is connected with the output end of the light source unit (3), and the light emergent end of the optical fiber sensing unit is connected with the receiving unit (4).
5. Vital signs fiber sensor according to claim 4, wherein the receiving unit (4) comprises a first receiver (41) and a second receiver (42), the light emitting end of the first fiber sensing part (1) is connected with the first receiver (41), and the light emitting end of the second fiber sensing part (2) is connected with the second receiver (42).
6. The optical fiber vital sign monitoring device according to claim 3, comprising a plurality of said optical fiber sensing units connected in series.
7. An intelligent sensing device, characterized by comprising a base mat (5) and a vital signs fiber sensor according to any one of claims 3-6;
preferably, the base pad (5) is provided with a first accommodating groove and a second accommodating groove which are arranged in a crossed manner, and the first optical fiber sensing part (1) and the second optical fiber sensing part (2) are respectively positioned in the first accommodating groove and the second accommodating groove and are arranged in a stacked manner.
More preferably, the first receiving groove and the second receiving groove both extend along the S-shaped direction, and are arranged crosswise on the base pad (5) to form a grid structure.
8. The smart sensor device as claimed in claim 7, wherein a first optical fiber sensing part (1) is located above a second optical fiber sensing part (2), the first receiving groove bottom height is higher than the second receiving groove bottom height, and a staggered step is formed at the intersection of the first receiving groove and the second receiving groove to cooperate with the first optical fiber sensing part (1) and the second optical fiber sensing part (2);
preferably, the second optical fiber sensing part (2) is connected with the base pad (5) at the staggered step.
9. The intelligent sensing device according to claim 7, further comprising a cover mat (6), the cover mat (6) overlying the base mat (5);
preferably, the bottom of the cover pad (6) is provided with a first pressing strip (7) and a second pressing strip (8) which respectively correspond to the first optical fiber sensing part (1) and the second optical fiber sensing part (2);
more preferably, the first bead (7) and/or the second bead (8) are made of silicone material.
10. The smart sensor device according to claim 9, wherein the cover mat (6) and/or the base mat (5) are made of a glass fiber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210848384.7A CN115363540A (en) | 2022-07-19 | 2022-07-19 | Optical fiber sensing unit, sensor and intelligent sensing device for vital signs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210848384.7A CN115363540A (en) | 2022-07-19 | 2022-07-19 | Optical fiber sensing unit, sensor and intelligent sensing device for vital signs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115363540A true CN115363540A (en) | 2022-11-22 |
Family
ID=84061364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210848384.7A Pending CN115363540A (en) | 2022-07-19 | 2022-07-19 | Optical fiber sensing unit, sensor and intelligent sensing device for vital signs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115363540A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380139A (en) * | 2023-04-10 | 2023-07-04 | 嘉兴太和信息技术有限公司 | Optical fiber sensor, optical fiber sensor system and intelligent protection pad |
-
2022
- 2022-07-19 CN CN202210848384.7A patent/CN115363540A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116380139A (en) * | 2023-04-10 | 2023-07-04 | 嘉兴太和信息技术有限公司 | Optical fiber sensor, optical fiber sensor system and intelligent protection pad |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4575155B2 (en) | Pressure-sensitive member and bed user monitoring system | |
| CN105769118B (en) | Optical fiber inductive layer and its monitoring system | |
| JP2005532854A5 (en) | ||
| JP6532143B2 (en) | Capacitance type flexible pressure sensor and respiration monitor using it | |
| CN108243620A (en) | For detecting the flexible conducting device of pressure and system | |
| CN110558956B (en) | Vital sign monitoring device | |
| CN108209863B (en) | Non-wearable sleeping posture monitoring device and bedding thereof | |
| CN110448282B (en) | Optical fiber sensing assembly and vital sign monitoring device | |
| CN113616173A (en) | Vital sign monitoring device and method based on multiple optical fiber sensing assemblies | |
| FR2970566A1 (en) | DEVICE FOR MEASURING PRESSURE FROM A FLEXIBLE, FOLDABLE AND / OR EXTENSIBLE OBJECT PRODUCED FROM TEXTILE MATERIAL COMPRISING A MEASURING DEVICE | |
| CN111413014B (en) | Optical fiber pressure detection system | |
| AU756142B2 (en) | Apparatus and method for measuring pulse transit time | |
| DK177485B1 (en) | DEVICE FOR PEOPLE WITH DISABLED SENSE OR DISABLED PEOPLE | |
| CN115363540A (en) | Optical fiber sensing unit, sensor and intelligent sensing device for vital signs | |
| CN111067497A (en) | Layered structure's vital sign monitoring devices | |
| CN106580295B (en) | Space division multiplexing multimode optical fiber vital sign parameter detector | |
| CN219782525U (en) | Vital sign optical fiber sensing unit, sensor and intelligent sensing device | |
| CN210095737U (en) | Intelligent insole based on flexible pressure sensor | |
| CN209220288U (en) | A kind of piezoelectric type sleeping position variation monitoring pad | |
| CN217442609U (en) | Multi-mode sensor module and multi-mode physiological signal monitoring system | |
| CN203970366U (en) | Vital sign monitoring pad | |
| TWI605790B (en) | Physiological signal sensing device | |
| JP7228226B2 (en) | bedding | |
| JPH04367651A (en) | Body movement detecting sheet | |
| KR20200139023A (en) | Physiological monitoring devce, physiological monitoring system, and physiological monitoring method using the same |
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 |