CN110101393A - Flexible back's posture corrector tool - Google Patents
Flexible back's posture corrector tool Download PDFInfo
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- CN110101393A CN110101393A CN201910313282.3A CN201910313282A CN110101393A CN 110101393 A CN110101393 A CN 110101393A CN 201910313282 A CN201910313282 A CN 201910313282A CN 110101393 A CN110101393 A CN 110101393A
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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
- A61B5/103—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
- A61B5/1113—Local tracking of patients, e.g. in a hospital or private home
- A61B5/1114—Tracking parts of the body
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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
- A61B5/68—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
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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
- A61B5/68—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
- A61B5/6823—Trunk, e.g., chest, back, abdomen, hip
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
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- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
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- Biophysics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- Physiology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The present invention provides a kind of flexible back's posture corrector tools, comprising: sitting posture state signal collecting unit, signal conversion unit, data processing unit, bluetooth sending module, cell phone application, button cell；The sitting posture state signal collecting unit includes flexible piezoresistance sensor, and flexible piezoresistance sensor includes two membrane modules, and the membrane module is constituted by PDMS and coated in positive rGO layers of PDMS, which has ridge structure；Two membrane module fronts are opposite, and ridge structure contacts with each other；Flexible piezoresistance sensor is distributed fitting contact back according to muscle, and the ridge structure in flexible piezoresistance sensor generates contact deformation with muscular movement, then generates a series of electric signal, realize to sitting posture real-time monitoring.The present invention can it is most intuitive, most accurately reflect sitting posture, be suitable for various age brackets and various crowds.
Description
Technical field
The present invention relates to sensor, signal processing technology, movement feedback technique, medicine in field of sports medicine, wireless sensor network,
The fields such as Internet of Things.More particularly to a kind of flexible wearable action norm instrument of the piezoresistance sensor based on ridge structure and
Action norm method belongs to field of intelligent control.
Background technique
In recent years, as disease symptoms caused by sitting posture incorrect during computer office are growing day by day, people are to holding
The attention degree of correct sitting posture is growing.Abnormal sitting posture is true, and not only mental attitude is bad, is also easy to make one to have a pain in the back, very
To influence vertebra, pressuring nerve.But it is more difficult by the process that consciousness forms correct sitting posture habit, it generally requires by some
The products such as external traction correcting posture utensil, such as instantly popular good back help people in the mistake of seat by way of wearing
Cheng Zhong keeps correct sitting posture.
It is well known that it is certain mandatory to keep a good sitting posture to have by the posture correctors such as good back tool, for hair
The phase children of educating have a certain effect, but for having reached maturity, and the adult human body effect of bone sizing is little and personal
Design, permanent wear can make one to generate the sense of discomfort worn, and it is true that enforceable correction can still result in abnormal sitting posture after taking off,
It cannot form a habit.
Summary of the invention
The purpose of the present invention is the abnormal sitting posture occurred according to China at this stage really caused by health problem, and provide one kind
Flexible back's posture corrector tool.To make user keep correct sitting posture during taking a seat, and prevent user because of wrong sitting posture
And cause sitting posture indecency and injury vertebra problem.
To reach above-mentioned function, the present invention is achieved by the following technical solutions: a kind of flexible back's posture corrector tool,
It include: sitting posture state signal collecting unit, signal conversion unit, data processing unit, bluetooth sending module, cell phone application, button
Battery；
The sitting posture state signal collecting unit includes flexible piezoresistance sensor, and flexible piezoresistance sensor includes two film groups
Part, the membrane module are constituted by PDMS and coated in positive rGO layers of PDMS, which has and 240 mesh sand paper tables
The identical ridge structure in face；Two membrane module fronts are opposite, and ridge structure contacts with each other；Flexible piezoresistance sensor is according to muscle
Distribution fitting contacts back, and the ridge structure in flexible piezoresistance sensor generates contact deformation with muscular movement, then generates one
The electric signal of series；
The signal conversion unit converts digital signal simultaneously for the sitting posture variation electric signal that flexible piezoresistance sensor acquires
It is transferred in data processing unit；
The data transmitted handle and be compared with the data in database by the data processing unit；
Comparing result in data processing unit is sent mobile phone by the bluetooth sending module；
The cell phone application prompts whether sitting posture standardizes according to system processing result；
The button cell is sitting posture state signal collecting unit, signal conversion unit, data processing unit, bluetooth transmission
Module provides power supply.
Further, the signal output of flexible piezoresistance sensor is to realize that copper electrode passes through silver by two copper electrodes
Gluing is affixed on rGO layers, and two copper electrodes are about membrane module central symmetry.
Further, two membrane modules are encapsulated in PDMS.
Further, the flexible piezoresistance sensor with ridge structure is made by the steps to obtain:
(1) 240 mesh sand paper are cut into the size dimension of fitting part；
(2) by normal heptane, ethyl acetate, octadecyl siloxanes is configured according to the mass ratio of 1000:50:20
At hydrophobic treatment solution, sand paper described in step (1) is immersed in the solution 2 hours, carries out hydrophobic treatment；
(3) PDMS and crosslinking agent are pressed into 10:1 mass ratio after mixing, vacuum degassing is steeped repeatedly, is spin-coated on step (2)
Coated abrasive surface after middle hydrophobic treatment；The sand paper for being coated with PDMS is placed in blast drier, 60 DEG C are heated 2 hours；After solidification,
Sand paper is removed in water, obtains the PDMS with ridge structure；
(4) oxygen plasma treatment is carried out to the surface PDMS with ridge micro-structure obtained in step (3), increases its table
Face hydrophily；
(5) PDMS with ridge micro-structure after oxygen plasma treatment in step (4) is smeared into rGO solution repeatedly.To
It is assembled after solution is dry, obtains the flexible piezoresistance sensor with ridge structure.
Further, the concentration of the rGO solution is 1mg/ml.
Further, rGO layers of the thickness is about at 500 μm or so.
Further, the signal for being stored in different sitting postures in data processing unit is prepared by the following: acquisition standard
The range digital of movement, then store it in database.
Further, the signal conversion unit and data processing unit can single-chip integrations.
Further, the action norm monitoring method of posture corrector tool, comprising the following steps:
(1) it is distributed according to the muscle of back different parts, sensor is fitted in back, carried out muscular movement signal and adopt
Collection；
(2) signal conversion unit is transferred signals to, digital signal is converted electrical signals to；
(3) by digital data transmission into data processing unit, data are compared；
(4) mobile phone is sent by bluetooth module by comparison result；
(5) cell phone application carries out the monitoring of sitting posture specification and gives corresponding prompting (specification or lack of standardization).
The method have the advantages that: the whether correct this monitoring of sitting posture is analyzed by real-time monitoring sitting posture
Method is the correctness that (angle) removes analysis sitting posture from the root of sitting posture.Therefore, can it is most intuitive, most accurately reflect seat
Appearance situation.Based on These characteristics, this method is not only simple but also intuitive effective, is suitable for various age brackets and various crowds,
Popularization for product in the future provides advantage.
The advantages of instrument of the present invention is: sensor used in instrument is the sensor of original invention, due to the spy of its structure
Different property (approximate normal distribution formula ridge structure) has very high sensitivity.Therefore it ensure that the accuracy of instrument correcting sitting postures
And sensitivity.Instrument-based highly sensitive and high accuracy, the instrument can effectively guarantee the sitting posture of user it is correct and
Prevent nonstandard sitting posture from causing to damage to user's body.It, can due to final analysis the result is that being reminded by cell phone application
With by result information it is clear pass to user.This instrument is not only small in size to be convenient for carrying, but also easy to operate, can give
The different crowd of different age group provides corresponding sitting posture specification suggestion.The instrument manufacturing of the present invention is simple, and cost is relatively low, easily
Industrialization is formed, and the big prospect of potential user's radix is boundless.
Detailed description of the invention
Fig. 1 is sensor ridge micro-structure figure；
Simulation effect picture when Fig. 2 is flexible sensor fitting back；
Fig. 3 is the flow diagram of present system；
Fig. 4 is pyramid matrix (Fig. 4 A), hemisphere volume matrix (Fig. 4 B), cylinder volume matrix (Fig. 4 C) and ridge structure
The flexible piezoresistance sensor that membrane module is constituted carries out the test result (4D) of resistance change rate respectively；
Fig. 5 is the working principle diagram for the flexible piezoresistance sensor that the membrane module of ridge structure of the present invention is constituted.
Specific embodiment
As shown in figure 3, a kind of flexible back's posture corrector tool, comprising: sitting posture state signal collecting unit, signal conversion are single
Member, data processing unit, bluetooth sending module, cell phone application, button cell；
The sitting posture state signal collecting unit includes flexible piezoresistance sensor, as shown in Figure 1, flexible piezoresistance sensor packet
Two membrane modules are included, the membrane module is constituted by PDMS and coated in positive rGO layers of PDMS, which is with 240 mesh sand
Paper (GB/T9258-2000) is prepared for template, and front has ridge structure, and each ridge height is different, but whole high
Approximate degree distribution is in normal distribution；Two membrane module fronts are opposite, and part ridge contact, part ridge does not contact,；
Relatively move when between two membrane modules, the ridge contacted afterwards in the form of being mutated resistance with originally contacted
The change in electric of ridge resistor coupled in parallel, entire circuit is huge, then continues in circuit in the form of contact area variation again
Electric signal is influenced, with the continuous contact of ridge, the increase of parallel resistance, change in electric is significant, single compared to traditional
The contact structures of area change form have better sensitivity, convenient for monitoring stress condition.
Flexible piezoresistance sensor and surface by the present invention with 240 mesh sand paper (GB/T9258-2000) for template acquisition
It is respectively provided with the flexibility of the membrane module composition of pyramid matrix (Fig. 4 A), hemisphere volume matrix (Fig. 4 B), cylinder volume matrix (Fig. 4 C)
Piezoresistance sensor carries out the test of resistance change rate respectively, as a result as shown in Figure 4 D, it can be seen from the figure that the present invention is with 240
Mesh sand paper (GB/T9258-2000) be template obtain flexible piezoresistance sensor relative to other kinds of sensor have it is higher
Resistance change rate.This is because the ridge area originally contacted between two membrane modules changes with the increase of load,
Resistance is gradually increased, meanwhile, new ridge contact is generated, the ridge resistance that new resistor coupled in parallel originally contacted is formed, such as Fig. 5 institute
Show.Pyramid matrix, hemisphere volume matrix, the flexible pressure drag that the membrane module of cylinder volume matrix is constituted is respectively provided with compared to surface to pass
Sensor can only be changed with contact area in the case where loading increased situation, cause resistance variations to monitor deformation, with 240 mesh sand paper
(GB/T9258-2000) the flexible piezoresistance sensor obtained for template, in the case where loading increased situation, resistance variations are not only by original
The ridge that first the contact area variation of contact ridge causes, and contacts afterwards also will form new resistor coupled in parallel and enter circuit, change
Become the resistance sizes between mould group, shown in following formula:
Wherein, RbFor membrane module internal resistance, Rd1、Rd2、Rd3…Rdi、Rd(i+1)…RdnFor the derivative resistance of membrane module.
Based on above-mentioned flexible piezoresistance sensor, the present invention provides a kind of flexible back's posture corrector tool, wherein the signal turns
Unit is changed to convert digital signal for the sitting posture variation electric signal that flexible piezoresistance sensor acquires and be transferred to data processing unit
In；
The data transmitted are carried out processing and are compared with the data in database point by the data processing unit
Analysis；
The bluetooth sending module sends comparing result in data processing unit in mobile phone；
The cell phone application prompts whether sitting posture standardizes according to system processing result；
The button cell is sitting posture state signal collecting unit, signal conversion unit, data processing unit, bluetooth transmission
Module provides power supply.
The signal output of flexible piezoresistance sensor is to realize that copper electrode is pasted on by elargol by two copper electrodes
RGO layers, two copper electrodes are about membrane module central symmetry.Two membrane modules are encapsulated in PDMS.
The flexible piezoresistance sensor with ridge structure is made by the steps to obtain:
(1) 240 mesh sand paper (GB/T9258-2000) are cut into the size dimension of fitting part；
(2) by normal heptane, ethyl acetate, octadecyl siloxanes is configured according to the mass ratio of 1000:50:20
At hydrophobic treatment solution, sand paper described in step (1) is immersed in the solution 2 hours, carries out hydrophobic treatment；
(3) PDMS and crosslinking agent are pressed into 10:1 mass ratio after mixing, vacuum degassing is steeped repeatedly, is spin-coated on step (2)
Coated abrasive surface after middle hydrophobic treatment；The sand paper for being coated with PDMS is placed in blast drier, 60 DEG C are heated 2 hours；After solidification,
Sand paper is removed in water, obtains the PDMS with ridge structure；
(4) oxygen plasma treatment is carried out to the surface PDMS with ridge micro-structure obtained in step (3), increases its table
Face hydrophily；
(5) PDMS with ridge micro-structure after oxygen plasma treatment in step (4) is smeared into rGO solution repeatedly.To
It is assembled after solution is dry, obtains the flexible piezoresistance sensor with ridge structure.
Preferably, the concentration of the rGO solution is 1mg/ml.RGO layers of the thickness is about on 500 μm of left sides
It is right.
The signal for being stored in different sitting postures in data processing unit is prepared by the following: acquiring the number of standard operation
Range of signal, then store it in database.
The signal conversion unit and data processing unit can single-chip integrations.
The flexible piezoresistance sensor is set according to muscle of back distribution, the ridge structure in flexible piezoresistance sensor is with flesh
Meat movement generates deformation, the action norm monitoring method of posture corrector tool, comprising the following steps:
(1) it is distributed according to the muscle of back different parts, sensor is fitted tightly over back, carries out muscular movement signal
Acquisition；
(2) signal conversion unit is transferred signals to, digital signal is converted electrical signals to；
(3) by digital data transmission into data processing unit, data are compared；
(4) it sends comparison result in mobile phone by bluetooth module；
(5) cell phone application carries out the monitoring of sitting posture specification and gives corresponding prompting.
Claims (9)
1. a kind of flexible back's posture corrector tool characterized by comprising sitting posture state signal collecting unit, signal conversion unit,
Data processing unit, bluetooth sending module, cell phone application, button cell；
The sitting posture state signal collecting unit includes flexible piezoresistance sensor, and flexible piezoresistance sensor includes two membrane modules,
The membrane module is constituted by PDMS and coated in positive rGO layers of PDMS, which has and 240 mesh coated abrasive surface phases
Same ridge structure；Two membrane module fronts are opposite, and ridge structure contacts with each other；Flexible piezoresistance sensor is distributed according to muscle
Fitting contacts back, and the ridge structure in flexible piezoresistance sensor generates contact deformation with muscular movement, then generates a series of
Electric signal；
The signal conversion unit converts digital signal for the sitting posture variation electric signal that flexible piezoresistance sensor acquires and transmits
Into data processing unit；
The data transmitted handle and be compared with the data in database by the data processing unit；
Comparing result in data processing unit is sent mobile phone by the bluetooth sending module；
The cell phone application prompts whether sitting posture standardizes according to system processing result；
The button cell is sitting posture state signal collecting unit, signal conversion unit, data processing unit, bluetooth sending module
Power supply is provided.
2. a kind of flexible back's posture corrector tool according to claim 1, which is characterized in that the signal of flexible piezoresistance sensor
Output is realized by two copper electrodes, and copper electrode is pasted on rGO layers by elargol, and two copper electrodes are about membrane module center
Symmetrically.
3. a kind of flexible back's posture corrector tool according to claim 1, which is characterized in that two membrane modules are encapsulated in PDMS
It is interior.
4. a kind of flexible back's posture corrector tool according to claim 1, which is characterized in that described soft with ridge structure
Property piezoresistance sensor is made by the steps to obtain:
(1) 240 mesh sand paper are cut into the size dimension of fitting part；
(2) by normal heptane, ethyl acetate, octadecyl siloxanes is configured to dredge according to the mass ratio of 1000:50:20
Sand paper described in step (1) is immersed in the solution 2 hours by water treatment solution, carries out hydrophobic treatment；
(3) PDMS and crosslinking agent are pressed into 10:1 mass ratio after mixing, vacuum degassing is steeped repeatedly, is spin-coated in step (2) and is dredged
Coated abrasive surface after water process；The sand paper for being coated with PDMS is placed in blast drier, 60 DEG C are heated 2 hours；After solidification, in water
Middle removing sand paper, obtains the PDMS with ridge structure；
(4) oxygen plasma treatment is carried out to the surface PDMS with ridge micro-structure obtained in step (3), increases its surface parent
It is aqueous；
(5) PDMS with ridge micro-structure after oxygen plasma treatment in step (4) is smeared into rGO solution repeatedly.To solution
It is assembled after drying, obtains the flexible piezoresistance sensor with ridge structure.
5. a kind of flexible back's posture corrector tool according to claim 4, which is characterized in that the concentration of the rGO solution is
1mg/ml。
6. a kind of flexible back's posture corrector tool according to claim 1, which is characterized in that rGO layers of the thickness is about
At 500 μm or so.
7. a kind of flexible back's posture corrector tool according to claim 1, which is characterized in that be stored in data processing unit
The signal of different sitting postures is prepared by the following: being acquired the range digital of standard operation, then is stored it in database
In.
8. a kind of flexible back's posture corrector tool according to claim 1, which is characterized in that the signal conversion unit sum number
It can single-chip integration according to processing unit.
9. a kind of flexible back's posture corrector tool according to claim 1, which is characterized in that the action norm prison of posture corrector tool
Survey method, comprising the following steps:
(1) it is distributed according to the muscle of back different parts, sensor is fitted in back, carries out muscular movement signal acquisition；
(2) signal conversion unit is transferred signals to, digital signal is converted electrical signals to.
(3) by digital data transmission into data processing unit, data are compared.
(4) mobile phone is sent by bluetooth module by comparison result.
(5) cell phone application carries out the monitoring of sitting posture specification and gives corresponding prompting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313282.3A CN110101393A (en) | 2019-04-18 | 2019-04-18 | Flexible back's posture corrector tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313282.3A CN110101393A (en) | 2019-04-18 | 2019-04-18 | Flexible back's posture corrector tool |
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| Publication Number | Publication Date |
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| CN110101393A true CN110101393A (en) | 2019-08-09 |
Family
ID=67485820
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| CN201910313282.3A Pending CN110101393A (en) | 2019-04-18 | 2019-04-18 | Flexible back's posture corrector tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110537923A (en) * | 2019-09-10 | 2019-12-06 | 山东理工大学 | Wearable posture correcting device |
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| US20150119780A1 (en) * | 2013-10-29 | 2015-04-30 | 109 Design LLC | Feedback System For Brace-Based Equipment |
| CN105203244A (en) * | 2015-10-20 | 2015-12-30 | 浙江大学 | Electronic skin with irregular surface microspikes and preparation method of electronic skin |
| CN105662682A (en) * | 2016-01-27 | 2016-06-15 | 于在运 | Posture correction clothes |
| CN106725466A (en) * | 2016-12-31 | 2017-05-31 | 安徽工业大学 | A kind of bow-backed alarm set and based reminding method based on surface myoelectric technology |
| CN108917995A (en) * | 2018-05-15 | 2018-11-30 | 浙江工业大学 | A kind of flexibility piezoresistance sensor |
-
2019
- 2019-04-18 CN CN201910313282.3A patent/CN110101393A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150119780A1 (en) * | 2013-10-29 | 2015-04-30 | 109 Design LLC | Feedback System For Brace-Based Equipment |
| CN105203244A (en) * | 2015-10-20 | 2015-12-30 | 浙江大学 | Electronic skin with irregular surface microspikes and preparation method of electronic skin |
| CN105662682A (en) * | 2016-01-27 | 2016-06-15 | 于在运 | Posture correction clothes |
| CN106725466A (en) * | 2016-12-31 | 2017-05-31 | 安徽工业大学 | A kind of bow-backed alarm set and based reminding method based on surface myoelectric technology |
| CN108917995A (en) * | 2018-05-15 | 2018-11-30 | 浙江工业大学 | A kind of flexibility piezoresistance sensor |
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| CN110537923A (en) * | 2019-09-10 | 2019-12-06 | 山东理工大学 | Wearable posture correcting device |
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