CN106308806A - Pressure test system based on FBG (Fiber Bragg Grating) and 3D (Three Dimensional) printing technology - Google Patents
Pressure test system based on FBG (Fiber Bragg Grating) and 3D (Three Dimensional) printing technology Download PDFInfo
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- CN106308806A CN106308806A CN201610606206.8A CN201610606206A CN106308806A CN 106308806 A CN106308806 A CN 106308806A CN 201610606206 A CN201610606206 A CN 201610606206A CN 106308806 A CN106308806 A CN 106308806A
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- test plate
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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
- A61B5/1036—Measuring load distribution, e.g. podologic studies
- A61B5/1038—Measuring plantar pressure during gait
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- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
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- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
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- Animal Behavior & Ethology (AREA)
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to a pressure test system based on an FBG (Fiber Bragg Grating) and 3D printing technology. The pressure test system is characterized by comprising a pressure test plate manufactured by the 3D printing technology, wherein the surface, which is in contact with the planta, of the pressure test plate is a plane; a plurality of mounting holes arrayed into a square array are formed in the pressure test plate; each mounting hole is arranged along the height direction of the pressure test plate; the end parts of every two adjacent mounting holes in the horizontal direction communicate with each other through a groove I; the end parts of the two mounting holes at the head and tail ends in the mounting holes located on the same row in the horizontal direction respectively communicate with the edge of the pressure test plate through corresponding grooves II; the grooves I which are located on the same row in the horizontal direction and the grooves II are located on the same straight line; a pressure sensor is arranged in each mounting hole; optical fiber cables of all the pressure sensors are connected with a signal acquirer and a computer in sequence. The manufacturing process is relatively simple and low in cost; no machining is needed; one-time forming, rapidness and convenience are achieved.
Description
Technical field
The present invention relates to a kind of system for testing plantar pressure.
Background technology
3D prints, and belongs to the one of Rapid Prototyping technique (Rapid prototyping), and it is a kind of with mathematical model literary composition
Based on part, use powdery metal or plastics etc. can jointing material, by the way of successively stacking accumulation, carry out constructed object
Technology.This technology is often used for modeling in the field such as Making mold, industrial design, and this technology is in jewelry, footwear, industry
Design, building, engineering and construction (AEC), automobile, Aero-Space, dentistry and medical industries, education, GIS-Geographic Information System, building
Engineering and other field have been applied.Utilize Prague (Fiber Bragg grating, FBG) Fibre Optical Sensor in recent years
Technology can concatenate multiplexing by multiple different types of sensors on an optical fiber, constitutes sensor array, it is achieved join more
Amount quasi-distributed real-time measurement, monitoring time do not disturbed by electromagnetism and radioprotective, zero point without drift, steadily in the long term, simultaneously this
The technology of kind characterizes with the centre wavelength of reflection light and measures, not by light source power fluctuation, optical fiber micro-bending effect and coupling loss
Etc. the impact of factor, sensor-based system is installed and during life-time service without demarcating, and certainty of measurement is high, and service life is long.
The partial monopoly of forefathers is devoted to utilize the pressure of sensor measurement foot, as disclosed in patent CN104207792A
A kind of based on obtaining the intelligent shoe of full foot pressure information, include the sole that the upper and lower end constitutes, laminating is provided with at middle the end
Diaphragm pressure distribution sensor, heel of going to the bottom is provided with groove, is provided with process chip, battery in groove, processes and collects on chip
Becoming and have Acquisition Circuit, diaphragm pressure distribution sensor is connected with processing Acquisition Circuit on chip.Patent CN104783818A carries
The pressure monitor system of confession and method, by reasonable layout pressure transducer in shoe pad density everywhere so that whole pressure is supervised
Examining system compact conformation, and safety and stability, low energy, intelligent and high-efficiency, can carry out round-the-clock, Quan Fang to the pressure of diabetes patient
Position monitoring.
The more difficult detection meeting the distribution of individuation foot pressure of the pressure testing system of above patent employing and assessment, because
Everyone foot feature is unique at static and behavioral characteristics, it is impossible to be designed to equalization by simple placement completely
To realizing.Acquisition Circuit ranks solidify, and zones of different, reticular density, size shape, pressure distribution sensor are to be adopted by multiple
Collector Units synchronizes to realize, and corresponding assembly is more, and cost is high, it is huge to demarcate debugging work load.
Summary of the invention
It is an object of the invention to provide a kind of system that can accurately measure each site pressure in vola.
In order to achieve the above object, the technical scheme is that and provide a kind of pressure based on FBG and 3D printing technique
Force test system, it is characterised in that including:
The stress test plate made of 3D printing technique, the one side that stress test plate contacts with vola is plane, in pressure
Being provided with the multiple installing holes being arranged in square formation in power test board, each installing hole is all arranged along the short transverse of stress test plate,
Communicated by a groove one between the end of two the most adjacent installing holes, be positioned at same row in the horizontal direction
Installing hole in the end of two installing holes at head and the tail two ends respectively by the edge of respective groove two with stress test plate
Communicating, the groove one being positioned at same row in the horizontal direction is positioned on straight line with groove two；
Being placed with a pressure transducer in each installing hole, each pressure transducer includes making of 3D printing technique
Body, in body manufacturing process imbed fiber grating, the two ends of fiber grating respectively connect an optical fiber cable, optical fiber cable
After extraction is the most external, groove one and groove two by being positioned at same row are brought out described stress test plate；
All optical fiber cables are connected with computer after connecting signal sampler again.
Preferably, described body includes being positioned at the long 40mm at middle part, the cylinder one of diameter 4mm, and is positioned at cylinder one
The long 5mm at two ends, the cylinder two of diameter 10mm, in described fiber grating (3) embedment cylinder one.
Preferably, described groove one and groove two a width of 1.5mm, be 5mm deeply.
The present invention has a following items advantage:
One, processing technology is fairly simple, low cost, without machining, and one-shot forming, efficient and convenient.
Two, FBG is highly sensitive, can quickly respond acquisition force value.
Three, utilizing 3D printing technique to be packaged FBG, Stability Analysis of Structures, measuring accuracy is high.
Four, test motility is strong, can with the distributed points of quick-replaceable sensor, and can measure the static state of each point position, vola with
Dynamic pressure.
Accompanying drawing explanation
The schematic diagram of a kind of based on FBG and 3D printing technique the pressure testing system that Fig. 1 provides for the present invention；
Fig. 2 is the schematic diagram of the stress test plate in the present invention；
Fig. 3 is the schematic diagram of the pressure transducer in the present invention.
Detailed description of the invention
For making the present invention become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
As it is shown in figure 1, a kind of based on FBG and 3D printing technique the pressure testing system that the present invention provides, including pressure
Test board 1, pressure transducer, signal sampler 5 and computer 6.Signal sampler 5 connects computer 6.Below to stress test plate 1
And pressure transducer is described further.
In conjunction with Fig. 2, in the present embodiment, stress test plate 1 uses 3D printing technique to make, and monnolithic case is square,
Having multiple installing hole 2 in stress test plate 1, all installing hole 2 proper alignment become square formation.The most adjacent two
Communicated by a groove one between the end of individual installing hole 2, the head and the tail two being positioned in the horizontal direction in the installing hole 2 of same row
The end of two installing holes 2 of end is communicated, in the horizontal direction with the edge of stress test plate 1 by respective groove two respectively
The groove one being positioned at same row is positioned on straight line with groove two.Groove one and a width of 1.5mm of groove two, be 5mm deeply.
In conjunction with Fig. 3, in the present embodiment, pressure transducer includes being positioned at the long 40mm at middle part, the cylinder of diameter 4mm
One, and it is positioned at the cylinder two of the long 5mm at cylinder one two ends, diameter 10mm.The body that cylinder one and cylinder two are formed
Structure is made by 3D printing technique, in manufacturing process, and intermediate suspension printer, then bare optical fibers and bare optical gratings 3 is put into printing
Model in, the most with the hands prestretching fiber grating 3 two ends, start print, print a period of time decontrol both hands.Printing terminates
After, take off model, be careful not to break fiber grating 3, then the two ends of fiber grating 3 are put plastic casing-pipe and forms optical fiber cable
Cable 4.Optical fiber cable 4 by groove one and groove two cabling, all optical fiber cables 4 connect after signal sampler 5 again with computer 6 phase
Even.After starting test, meeting display waveform figure on computer 6, data per second all can be recorded.
Claims (3)
1. a pressure testing system based on FBG and 3D printing technique, it is characterised in that including:
The stress test plate (1) made of 3D printing technique, the one side that stress test plate (1) contacts with vola is plane,
Being provided with the multiple installing holes (2) being arranged in square formation in stress test plate (1), each installing hole (2) is all along stress test plate (1)
Short transverse is arranged, is communicated, in level by a groove one between the end of two the most adjacent installing holes (2)
The end of two installing holes (2) at the head and the tail two ends being positioned on direction in the installing hole (2) of same row is respectively by respective recessed
Groove two communicates with the edge of stress test plate (1), and the groove one being positioned at same row in the horizontal direction is positioned at one with groove two
On straight line；
Being placed with a pressure transducer in each installing hole (2), each pressure transducer includes making of 3D printing technique
Body, in body manufacturing process imbed fiber grating (3), the two ends of fiber grating (3) respectively connect an optical fiber cable
(4) after, optical fiber cable (4) extraction is the most external, groove one and groove two by being positioned at same row are brought out described stress test plate
(1)；
All optical fiber cables (4) are connected with computer (6) after connecting signal sampler (5) again.
A kind of pressure testing system based on FBG and 3D printing technique, it is characterised in that described
Body includes being positioned at the long 40mm at middle part, the cylinder one of diameter 4mm, and is positioned at the long 5mm at cylinder one two ends, diameter 10mm
Cylinder two, described fiber grating (3) embedment cylinder one in.
A kind of pressure testing system based on FBG and 3D printing technique, it is characterised in that described
A width of 1.5mm of groove one and groove two, it is 5mm deeply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606206.8A CN106308806A (en) | 2016-07-28 | 2016-07-28 | Pressure test system based on FBG (Fiber Bragg Grating) and 3D (Three Dimensional) printing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606206.8A CN106308806A (en) | 2016-07-28 | 2016-07-28 | Pressure test system based on FBG (Fiber Bragg Grating) and 3D (Three Dimensional) printing technology |
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| Publication Number | Publication Date |
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| CN106308806A true CN106308806A (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610606206.8A Pending CN106308806A (en) | 2016-07-28 | 2016-07-28 | Pressure test system based on FBG (Fiber Bragg Grating) and 3D (Three Dimensional) printing technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615368A (en) * | 2018-06-11 | 2018-10-02 | 东华大学 | A kind of traffic counting monitoring system based on 3D printing Yu FBG technologies |
| CN109000839A (en) * | 2018-05-29 | 2018-12-14 | 东华大学 | A kind of mattress pressure testing system based on 3D printing Yu low coherence interference technology |
| CN109141714A (en) * | 2018-08-09 | 2019-01-04 | 重庆邮电大学 | A kind of infant foot bottom pressure DATA REASONING and processing method |
| CN109813458A (en) * | 2019-01-05 | 2019-05-28 | 西安科技大学 | A kind of fiber grating temperature sensor and its assemble method based on 3D printing technique |
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| CN103153185A (en) * | 2010-08-26 | 2013-06-12 | 荷兰应用自然科学研究组织Tno | Method and system for determining the walking or running speed of a person |
| CN103968980A (en) * | 2014-05-20 | 2014-08-06 | 山东大学 | Novel optical fiber touch sensor array and manufacturing method thereof |
| TW201614207A (en) * | 2014-10-09 | 2016-04-16 | Univ Nat Kaohsiung Applied Sci | Pressure sensing device capable of being operated in dangerous zones and produced by utilizing 3D printing technique |
| CN105725982A (en) * | 2016-01-25 | 2016-07-06 | 东华大学 | Shoe sole pressure and temperature measuring insole based on optical fiber sensing technology |
-
2016
- 2016-07-28 CN CN201610606206.8A patent/CN106308806A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103153185A (en) * | 2010-08-26 | 2013-06-12 | 荷兰应用自然科学研究组织Tno | Method and system for determining the walking or running speed of a person |
| CN103968980A (en) * | 2014-05-20 | 2014-08-06 | 山东大学 | Novel optical fiber touch sensor array and manufacturing method thereof |
| TW201614207A (en) * | 2014-10-09 | 2016-04-16 | Univ Nat Kaohsiung Applied Sci | Pressure sensing device capable of being operated in dangerous zones and produced by utilizing 3D printing technique |
| CN105725982A (en) * | 2016-01-25 | 2016-07-06 | 东华大学 | Shoe sole pressure and temperature measuring insole based on optical fiber sensing technology |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000839A (en) * | 2018-05-29 | 2018-12-14 | 东华大学 | A kind of mattress pressure testing system based on 3D printing Yu low coherence interference technology |
| CN109000839B (en) * | 2018-05-29 | 2021-10-26 | 东华大学 | Mattress pressure test system based on 3D prints and low coherent interference technique |
| CN108615368A (en) * | 2018-06-11 | 2018-10-02 | 东华大学 | A kind of traffic counting monitoring system based on 3D printing Yu FBG technologies |
| CN109141714A (en) * | 2018-08-09 | 2019-01-04 | 重庆邮电大学 | A kind of infant foot bottom pressure DATA REASONING and processing method |
| CN109813458A (en) * | 2019-01-05 | 2019-05-28 | 西安科技大学 | A kind of fiber grating temperature sensor and its assemble method based on 3D printing technique |
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