CN105919217A - Plantar pressure sensing shoe and pressure detection method - Google Patents
Plantar pressure sensing shoe and pressure detection method Download PDFInfo
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- CN105919217A CN105919217A CN201610451004.0A CN201610451004A CN105919217A CN 105919217 A CN105919217 A CN 105919217A CN 201610451004 A CN201610451004 A CN 201610451004A CN 105919217 A CN105919217 A CN 105919217A
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- supporting plate
- vola
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- sensing element
- sensing
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/34—Footwear characterised by the shape or the use with electrical or electronic arrangements
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- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B3/00—Footwear characterised by the shape or the use
- A43B3/16—Overshoes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0057—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to spring-shaped elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a plantar pressure sensing shoe and a pressure detection method. The plantar pressure sensing shoe comprises a tabulate planta supporting plate which forms a sleevable shoe cover, a lateral-coaming-shaped sole plate is arranged according to outer profile shape of the planta supporting plate, the top side of the lateral coaming plate and the edge of the planta supporting plate are connected through elastic beams, a sensing unit composed of sensitive elements is arranged on each elastic beam, and the lateral-coaming-plate sole plate forms lateral-coaming supporting at the edge of the planta supporting plate; stressed points are distributed in different areas of the planta supporting plate, forces are applied on the stressed points, and strain detection signals are acquired by the sensitive elements to build a mathematic model to calibrate a detection device; aiming at a detected force on the planta supporting plate, strain detection signals of the sensitive elements on the elastic beams are acquired by detection, and distribution of the detected force on the planta supporting plate is acquired by utilizing the mathematic model. The plantar pressure sensing shoe can be used for detecting strength and distribution of plantar pressure, and a basis is provided for analysis of different gaits, disease diagnosis and treatment effect evaluation in clinical medicine and physical training schemes.
Description
Technical field
The invention belongs to rehabilitation exercise training Instrument technology field, more specifically particularly relate to a kind of plantar pressure sensing
Footwear and pressure detection method.
Background technology
Foot is as important biomolecule mechanical information, and its importance increasingly receives publicity, by measuring and analyzing vola
Pressure, thus obtain plantar nervous arch situation, for and clinical medicine on medical diagnosis on disease and the mensuration of illness degree, art
Rear therapeutic evaluation, biomechanics and rehabilitation treatment etc. have great significance, also for science formulation athletic training scheme, and respectively
The design planting functional shoe provides important evidence.At present, vola power measures predominantly force plate/platform, force plate and pressure footwear and pressure
Power shoe pad.Force plate/platform and force plate, device is complicated, expensive, takes up room big, is not suitable for measuring under different gait pattern
Vola power and distribution situation；Pressure footwear and pressure shoe pad are to be placed in footwear or shoe pad by sensor mostly.About plantar pressure
Footwear and pressure detection method have no relevant open report so far.
Summary of the invention
The present invention is for avoiding the deficiency existing for above-mentioned prior art, it is provided that a kind of plantar pressure sensing footwear and pressure inspection
Survey method, for obtaining walking, the size of vola power climbed under the different gaits such as step and distribution situation, divides for different gaits
Analysis, the illness diagnosis on clinical medicine and therapeutic evaluation, and provide foundation for athletic training scheme etc..
The present invention solves that technical problem adopts the following technical scheme that
The feature of plantar pressure of the present invention sensing footwear is to have:
One tabular vola supporting plate, related on the supporting plate of described vola have heelpiece flapper and upper of a shoe, constitutes the footwear that can wear
Set form；Tested one wears in shoe cover and really positions based on vola supporting plate and puts, and described determines that position refers to
Each region is divided as follows: ossa suffraginis district, the 3rd to toe bones district, metatarsal district and heel on the supporting plate of described vola
Portion, described metatarsal district comprises first metatarsal district, second metatarsal bone district and three to fifth metatarsal bone district；Described heel portion is divided into foot
With medial area and outside of heel district, order: side, ossa suffraginis place is vola supporting plate the first side, side, toe bones place is vola torr
Plate the second side；
One gusset shape sole, described sole be by vola supporting plate outer contour shape arrange in upright gusset
Plate, the top margin of described gusset plate is connected with each spring beam on diverse location with the edge of vola supporting plate, at described spring beam
The sensing element of upper setting constitutes sensing unit, the described shoe cover that wears be with gusset shape sole to vola supporting plate at edge
Formation gusset supports, and it is unsettled for making vola supporting plate.
The feature of the pressure detection method of plantar pressure of the present invention sensing footwear is:
Step a, in the zones of different in described vola supporting plate (24) be distributed stress point, on stress point load be perpendicular to the end
The power [F] of plate, is obtained strain detecting signal [ε] by the sensing element on each spring beam；According to loading force on stress point [F], with
And each strain detecting signal [ε] founding mathematical models is: [C] × [F]=[ε], completes the demarcation to sensing unit, and often obtain
Matrix number [C]；
Step b, on the supporting plate of vola by dynamometry, detection obtains the strain detecting letter of the sensing element on each spring beam
Number, utilize described mathematical model obtain on vola supporting plate by the distribution situation of dynamometry.
The feature of the pressure detection method of plantar pressure of the present invention sensing footwear lies also in arrange in described sensing unit and arranges
Each spring beam respectively:
It is positioned at vola supporting plate the first side, corresponding to the first beam on the supporting plate edge, vola of position, ossa suffraginis district；
Be positioned at vola supporting plate the first side, corresponding on the supporting plate edge, vola of position, metatarsal district interval the second beam and
3rd beam；
It is positioned at vola supporting plate the second side, on the supporting plate edge, vola corresponding to the 3rd to position, toe bones district
Four beams；
It is positioned at vola supporting plate the second side, corresponding to the 5th beam on the supporting plate edge, vola of position, metatarsal district；
It is positioned at vola supporting plate the first side, corresponding to the 6th beam on the supporting plate edge, vola of position, heel medial district；
It is positioned at vola supporting plate the second side, corresponding to the 7th beam on the bottom edge of position, outside of heel district；
It is positioned at the 8th beam of the upper top dead center position at supporting plate edge, vola；
And have: the first sensing element is arranged symmetrically in end face and the bottom surface of the first beam, and the second sensing element is arranged symmetrically in
The end face of the second beam and bottom surface, the 3rd sensing element is arranged symmetrically in end face and the bottom surface of the 3rd beam, and the 4th sensing element is symmetrical
Being arranged in end face and the bottom surface of the 4th beam, the 5th sensing element is arranged symmetrically in end face and the bottom surface of the 5th beam, the 6th sensitive unit
Part is arranged symmetrically in end face and the bottom surface of the 6th beam, and the 7th sensing element is arranged symmetrically in end face and the bottom surface of the 7th beam,
Described 8th beam is as support beam.
The feature of the pressure detection method of plantar pressure of the present invention sensing footwear lies also in:
Set described by dynamometry as: force position is in the directed force F of ossa suffraginis head position1, be in first metatarsal head
The directed force F of position2, be in the directed force F of second metatarsal bone head position3, be in the 3rd to the effect of toe bones district center position
Power F4, be in the directed force F of the three to five metatarsal district center position5, be in the directed force F in heel medial district6, and it is in foot
Directed force F with LHA7；
By step a, correspond to be distributed seven stress points by dynamometry region one_to_one corresponding on the supporting plate of described vola,
Load the power [F] being perpendicular to base plate on stress point, the sensing element on each spring beam obtain strain detecting signal [ε]；According to
Loading force [F] on stress point, and each strain detecting signal [ε] founding mathematical models is: [C] × [F]=[ε], completes biography
The demarcation of sense unit, and obtain the constant matrices [C] of 7 × 7；
Utilize formula (1) to calculate by step b and obtain each directed force F1、F2、F3、F4、F5、F6And F7For:
In formula (1), [C]-1It it is the inverse matrix of 7 × 7 constant matricess [C]；
ε1、ε2、ε3、ε4、ε5、ε6And ε7Be respectively the first sensing element, the second sensing element, the 3rd sensing element, the 4th
The strain signal that sensing element, the 5th sensing element, the 6th sensing element and the detection of the 7th sensing element obtain.
Compared with the prior art, the present invention has the beneficial effect that:
1, the present invention is by detecting human body plantar nervous arch under different gaits, can be gait analysis,
Illness diagnosis on clinical medicine and therapeutic evaluation, and provide reliable basis for athletic training scheme etc.；
2, the present invention obtains testing result by detecting the mathematical model of the strain on each beam and foundation, and method simply may be used
Lean on；
3, present configuration is simple, convenient wearing, can realize static and dynamically detection respectively.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is each spring beam distribution schematic diagram in the present invention；
Label in figure: 1 first beam, 2 second beams, 3 the 3rd beams, 4 the 4th beams, 5 the 5th beams, 6 the 6th beams, 7 the 7th beams, 8
Eight beams, 21 tested feet, 22 heelpiece flappers, 23 soles, 24 vola supporting plates, 25 uppers of a shoe.
Detailed description of the invention
Seeing Fig. 1 and Fig. 2, in the present embodiment, plantar pressure sensing footwear has:
One tabular vola supporting plate 24, related on vola supporting plate 24 have heelpiece flapper 22 and upper of a shoe 25, and composition can wear
Shoe cover form；Tested foot 21 is through in shoe cover and really positions based on vola supporting plate 24 and puts, and determines that position refers at foot
Each region is divided as follows: ossa suffraginis district, the 3rd to toe bones district, metatarsal district and heel portion on backing board 24,
Metatarsal district comprises first metatarsal district, second metatarsal bone district and three to fifth metatarsal bone district；Heel portion be divided into heel medial district and
Outside of heel district, order: side, ossa suffraginis place is vola supporting plate the first side, and side, toe bones place is vola supporting plate the second side；
One gusset shape sole 23, sole 23 be by vola supporting plate 24 outer contour shape arrange in upright gusset
Plate, the top margin of gusset plate is connected with each spring beam on diverse location with the edge of vola supporting plate 24, arranges on spring beam
Sensing element constitute sensing unit, the shoe cover that can wear be with gusset shape sole 23 to vola supporting plate 24 in formation side, edge
Enclose support, make vola supporting plate 24 in unsettled.
In the present embodiment, the pressure detection method of plantar pressure sensing footwear is:
Step a, in the zones of different of vola supporting plate 24, it is distributed stress point, stress point loads the power of base plate of being perpendicular to
[F], is obtained strain detecting signal [ε] by the sensing element on each spring beam；According to loading force on stress point [F], and respectively should
Becoming detection signal [ε] founding mathematical models is [C] × [F]=[ε], completes the demarcation to sensing unit, and obtains constant matrices
[C]；
Stress point it is distributed, by many times of software ansys workbench respectively to this in the zones of different of vola supporting plate
A little stress point loading forces, obtain the strain of beam, and seek its meansigma methods.According to strain on beam and the relation of loading force, set up mathematics
Model [C] × [F]=[ε], wherein [C] is constant matrices, and [F] is moment battle array, and [ε] is strain matrix.Constant matrices [C] is permissible
Demarcated by software emulation and obtain, it is possible to obtained by experimental calibration.
Step b, on vola supporting plate 24 by dynamometry, detection obtains the strain detecting of the sensing element on each spring beam
Signal, utilize described mathematical model obtain on vola supporting plate 24 by the distribution situation of dynamometry.
In being embodied as, in order to obtain human foot regional ossa suffraginis district, the 3rd to toe bones district, first sole of the foot
Bone district, second metatarsal bone district, three to fifth metatarsal bone district, heel medial and the distribution of force in outside of heel district, arrange sensing single
In unit, each spring beam of setting is respectively:
It is positioned at vola supporting plate the first side, corresponding to the first beam 1 on the supporting plate edge, vola of position, ossa suffraginis district；
It is positioned at vola supporting plate the first side, corresponding to second beam 2 at interval on the supporting plate edge, vola of position, metatarsal district
With the 3rd beam 3；
It is positioned at vola supporting plate the second side, on the supporting plate edge, vola corresponding to the 3rd to position, toe bones district
Four beams 4；
It is positioned at vola supporting plate the second side, corresponding to the 5th beam 5 on the supporting plate edge, vola of position, metatarsal district；
It is positioned at vola supporting plate the first side, corresponding to the 6th beam 6 on the supporting plate edge, vola of position, heel medial district；
It is positioned at vola supporting plate the second side, corresponding to the 7th beam 7 on the bottom edge of position, outside of heel district；
It is positioned at the 8th beam 8 of the upper top dead center position at supporting plate edge, vola；
And have: the first sensing element is arranged symmetrically in end face and the bottom surface of the first beam 1, and the second sensing element is arranged symmetrically in
The end face of the second beam 2 and bottom surface, the 3rd sensing element is arranged symmetrically in end face and the bottom surface of the 3rd beam 3, the 4th sensing element pair
Claiming end face and the bottom surface being arranged in the 4th beam 4, the 5th sensing element is arranged symmetrically in end face and the bottom surface of the 5th beam 5, and the 6th is quick
Sensing unit is arranged symmetrically in end face and the bottom surface of the 6th beam 6, and the 7th sensing element be arranged symmetrically in the 7th beam 7 end face and
Bottom surface, described 8th beam 8 is as support beam.
Set by dynamometry as: force position is in the directed force F of ossa suffraginis head position1, be in first metatarsal head position
Directed force F2, be in the directed force F of second metatarsal bone head position3, be in the 3rd to the active force of toe bones district center position
F4, be in the directed force F of the three to five metatarsal district center position5, be in the directed force F in heel medial district6, and it is in heel
The directed force F of LHA7。
By step a, correspond to be distributed seven stress points by dynamometry region one_to_one corresponding on vola supporting plate 24, be subject to
Load the power [F] being perpendicular to base plate on force, the sensing element on each spring beam obtain strain detecting signal [ε]；According to being subject to
Loading force [F] on force, and each strain detecting signal [ε] founding mathematical models is: [C] × [F]=[ε], completes sensing
The demarcation of unit, and obtain the constant matrices [C] of 7 × 7.
Utilize formula (1) to calculate by step b and obtain each directed force F1、F2、F3、F4、F5、F6And F7For:
In formula (1), [C]-1It it is the inverse matrix of 7 × 7 constant matricess [C]；
ε1、ε2、ε3、ε4、ε5、ε6And ε7Be respectively the first sensing element, the second sensing element, the 3rd sensing element, the 4th
The strain signal that sensing element, the 5th sensing element, the 6th sensing element and the detection of the 7th sensing element obtain.
For the use of the present invention, patient can put on plantar pressure sensing footwear in the present embodiment as dressing city shoe
Carrying out rehabilitation training, its dynamometry is partially disposed in footwear, can conveniently record the big of patient's plantar pressure under various physical training conditions
Little and distribution.
Claims (4)
1. plantar pressure sensing footwear, is characterized in that having:
One tabular vola supporting plate (24), the most related in described vola supporting plate (24) have heelpiece flapper (22) and upper of a shoe (25), structure
The shoe cover form that one-tenth can wear；Tested one wears in shoe cover and really positions based on vola supporting plate (24) and puts, institute
State and determine position to refer on described vola supporting plate (24) to divide as follows each region: ossa suffraginis district, the 3rd to the 5th
Phalanx district, metatarsal district and heel portion, described metatarsal district comprises first metatarsal district, second metatarsal bone district and three to fifth metatarsal bone
District；Described heel portion is divided into heel medial district and outside of heel district, order: side, ossa suffraginis place is vola supporting plate the first side,
Side, toe bones place is vola supporting plate the second side；
One gusset shape sole (23), described sole (23) be by vola supporting plate (24) outer contour shape arrange in uprightly
Gusset plate, the top margin of described gusset plate is connected with each spring beam on diverse location with the edge of vola supporting plate (24),
The sensing element arranged on described spring beam constitutes sensing unit, and the described shoe cover worn is right with gusset shape sole (23)
Vola supporting plate (24) forms gusset and supports at edge, makes vola supporting plate (24) in unsettled.
2. a pressure detection method for the plantar pressure sensing footwear described in claim 1, is characterized in that:
Step a, in the zones of different in described vola supporting plate (24) be distributed stress point, on stress point load be perpendicular to base plate
Power [F], is obtained strain detecting signal [ε] by the sensing element on each spring beam；According to loading force on stress point [F], and respectively
Strain detecting signal [ε] founding mathematical models is: [C] × [F]=[ε], completes the demarcation to sensing unit, and obtains constant square
Battle array [C]；
Step b, on vola supporting plate (24) by dynamometry, detection obtains the strain detecting letter of the sensing element on each spring beam
Number, utilize described mathematical model obtain on vola supporting plate (24) by the distribution situation of dynamometry.
The pressure detection method of plantar pressure the most according to claim 2 sensing footwear, is characterized in that arranging described sensing single
In unit, each spring beam of setting is respectively:
It is positioned at vola supporting plate the first side, corresponding to the first beam (1) on the supporting plate edge, vola of position, ossa suffraginis district；
Be positioned at vola supporting plate the first side, corresponding on the supporting plate edge, vola of position, metatarsal district interval the second beam (2) and
3rd beam (3)；
It is positioned at vola supporting plate the second side, the 4th beam on supporting plate edge, vola corresponding to the 3rd to position, toe bones district
(4)；
It is positioned at vola supporting plate the second side, corresponding to the 5th beam (5) on the supporting plate edge, vola of position, metatarsal district；
It is positioned at vola supporting plate the first side, corresponding to the 6th beam (6) on the supporting plate edge, vola of position, heel medial district；
It is positioned at vola supporting plate the second side, corresponding to the 7th beam (7) on the bottom edge of position, outside of heel district；
It is positioned at the 8th beam (8) of the upper top dead center position at supporting plate edge, vola；
And have: the first sensing element is arranged symmetrically in end face and the bottom surface of the first beam (1), and the second sensing element is arranged symmetrically in
The end face of two beams (2) and bottom surface, the 3rd sensing element is arranged symmetrically in end face and the bottom surface of the 3rd beam (3), the 4th sensing element
Being arranged symmetrically in end face and the bottom surface of the 4th beam (4), the 5th sensing element is arranged symmetrically in end face and the bottom surface of the 5th beam (5),
6th sensing element is arranged symmetrically in end face and the bottom surface of the 6th beam (6), and the 7th sensing element is arranged symmetrically in the 7th beam
(7) end face and bottom surface, described 8th beam (8) is as support beam.
The pressure detection method of plantar pressure the most according to claim 3 sensing footwear, is characterized in that:
Set described by dynamometry as: force position is in the directed force F of ossa suffraginis head position1, be in first metatarsal head position
Directed force F2, be in the directed force F of second metatarsal bone head position3, be in the 3rd to the directed force F of toe bones district center position4、
It is in the directed force F of the three to five metatarsal district center position5, be in the directed force F in heel medial district6, and it is in outside of heel
The directed force F in district7；
By step a, on described vola supporting plate (24) corresponding to by dynamometry region one_to_one corresponding be distributed seven stress points,
Load the power [F] being perpendicular to base plate on stress point, the sensing element on each spring beam obtain strain detecting signal [ε]；According to
Loading force [F] on stress point, and each strain detecting signal [ε] founding mathematical models is: [C] × [F]=[ε], completes biography
The demarcation of sense unit, and obtain the constant matrices [C] of 7 × 7；
Utilize formula (1) to calculate by step b and obtain each directed force F1、F2、F3、F4、F5、F6And F7For:
In formula (1), [C]-1It it is the inverse matrix of 7 × 7 constant matricess [C]；
ε1、ε2、ε3、ε4、ε5、ε6And ε7It is respectively the first sensing element, the second sensing element, the 3rd sensing element, the 4th sensitive unit
The strain signal that part, the 5th sensing element, the 6th sensing element and the detection of the 7th sensing element obtain.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610451004.0A CN105919217B (en) | 2016-06-17 | 2016-06-17 | A kind of plantar pressure sensing footwear and pressure detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610451004.0A CN105919217B (en) | 2016-06-17 | 2016-06-17 | A kind of plantar pressure sensing footwear and pressure detection method |
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| CN105919217A true CN105919217A (en) | 2016-09-07 |
| CN105919217B CN105919217B (en) | 2017-12-26 |
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ID=56830518
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| CN201610451004.0A Active CN105919217B (en) | 2016-06-17 | 2016-06-17 | A kind of plantar pressure sensing footwear and pressure detection method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106580337A (en) * | 2017-01-20 | 2017-04-26 | 合肥工业大学 | Gait measuring apparatus and method |
| CN106820407A (en) * | 2017-04-01 | 2017-06-13 | 合肥工业大学 | Plantar pressure measures footwear and plantar pressure measuring method |
| CN106859651A (en) * | 2017-04-01 | 2017-06-20 | 合肥工业大学 | Wearable plantar pressure determines footwear and plantar pressure measuring method |
| CN108451533A (en) * | 2017-02-17 | 2018-08-28 | 红崴科技股份有限公司 | Automate foot detection device |
| CN109770906A (en) * | 2019-03-08 | 2019-05-21 | 合肥工业大学 | It is suitable for the long vola power apparatus for measuring distribution of a certain range foot |
| CN111631719A (en) * | 2020-05-21 | 2020-09-08 | 北京城市系统工程研究中心 | Method for predicting falling risk of old people |
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| CN205671578U (en) * | 2016-06-17 | 2016-11-09 | 合肥工业大学 | A kind of plantar pressure sensing footwear |
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| US4121453A (en) * | 1976-07-19 | 1978-10-24 | Harvey Mudd College | Foot force transducer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106580337A (en) * | 2017-01-20 | 2017-04-26 | 合肥工业大学 | Gait measuring apparatus and method |
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| CN108451533A (en) * | 2017-02-17 | 2018-08-28 | 红崴科技股份有限公司 | Automate foot detection device |
| CN108451533B (en) * | 2017-02-17 | 2022-08-16 | 红崴科技股份有限公司 | Automatic change foot check out test set |
| CN106820407A (en) * | 2017-04-01 | 2017-06-13 | 合肥工业大学 | Plantar pressure measures footwear and plantar pressure measuring method |
| CN106859651A (en) * | 2017-04-01 | 2017-06-20 | 合肥工业大学 | Wearable plantar pressure determines footwear and plantar pressure measuring method |
| CN106820407B (en) * | 2017-04-01 | 2021-10-29 | 合肥工业大学 | Sole pressure measuring shoe and sole pressure measuring method |
| CN106859651B (en) * | 2017-04-01 | 2023-09-15 | 合肥工业大学 | Wearable sole pressure measuring shoe and sole pressure measuring method |
| CN109770906A (en) * | 2019-03-08 | 2019-05-21 | 合肥工业大学 | It is suitable for the long vola power apparatus for measuring distribution of a certain range foot |
| CN111631719A (en) * | 2020-05-21 | 2020-09-08 | 北京城市系统工程研究中心 | Method for predicting falling risk of old people |
| CN111631719B (en) * | 2020-05-21 | 2023-08-11 | 北京城市系统工程研究中心 | Method for predicting fall risk of old people |
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|---|---|
| CN105919217B (en) | 2017-12-26 |
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