CN106840479A - A kind of composite plane load-carrying construction stress real-time monitoring system - Google Patents
A kind of composite plane load-carrying construction stress real-time monitoring system Download PDFInfo
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- CN106840479A CN106840479A CN201710112498.4A CN201710112498A CN106840479A CN 106840479 A CN106840479 A CN 106840479A CN 201710112498 A CN201710112498 A CN 201710112498A CN 106840479 A CN106840479 A CN 106840479A
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- 239000002131 composite material Substances 0.000 title claims abstract description 53
- 238000012544 monitoring process Methods 0.000 title claims abstract description 43
- 238000010276 construction Methods 0.000 title claims abstract description 26
- 238000004458 analytical method Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000010365 information processing Effects 0.000 claims description 5
- 230000003321 amplification Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003862 health status Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 3
- 238000011156 evaluation Methods 0.000 abstract description 2
- 230000036541 health Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- 230000007774 longterm Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The present invention relates to a kind of composite plane load-carrying construction stress real-time monitoring system, including:At least one multidimensional bar sensor group, at least one information gathering subsystem, at least one information analysis subsystem and at least one presentation of information subsystem;Multidimensional bar sensor group by multiple multidimensional bar sensor groups into array, for perceptual structure each several part stress change;Information gathering subsystem is used to gather the structural stress data of multidimensional bar sensor group acquisition;Information analysis subsystem is used for Treatment Analysis structural stress data and obtains monitoring result;Computer is used to carry out health Evaluation analysis according to monitoring result.
Description
Technical field
The invention belongs to composite structure stress monitoring technology, and in particular to a kind of composite plane load-carrying construction should
Power real-time monitoring system.
Background technology
The technology for being currently based on intelligence structure stress is largely developed, and it imbeds or be pasted onto master by by sensor-based system
As nervous system in composite material structure, while introducing Signal Information Processing Technology, can perceive and prediction structure
Internal deformation, defect, damage, corrosion and a series of unhealthy status of structures such as fail, are a kind of material to be entered with structure
The new method of row nondestructive evaluation.
Monitoring structural health conditions are changed into the damage check of widely used offline, static, passive material and structure
Online, dynamic, the monitoring of the health status of active, so as to greatly improve the security of structure, in the extending structure life-span, reduce knot
Structure maintenance cost.But as engineering structure is often in relatively rugged environment under long-term work state, it is necessary to meet durable
Property, stability, structural compatibility etc. require, the appearance of smart sensing material, such as optical fiber, film class piezoelectric, shape memory
The new sensor means such as alloy, carbon fiber, resistance-strain silk, fatigue life silk are obtained greatly in composite plane load-carrying construction
The application of amount, but these integrated means can influence the interfacial bonding strength of composite, influence the performance of composite.
The content of the invention
Regarding to the issue above, it is an object of the invention to provide a kind of composite plane load-carrying construction stress real-time monitoring system
System, realizes that sensing will not be greatly reduced the inter-layer bonding force of composite again.
To achieve the above object, the present invention takes following technical scheme:
As shown in figure 1, a kind of composite plane load-carrying construction stress real-time monitoring system, it is characterised in that the system
Including:At least one multidimensional bar sensor group, at least one information gathering subsystem, information analysis subsystem and presentation of information
System;The multidimensional bar sensor group, by multiple multidimensional bar sensor groups into sensor array, for perceiving composite knot
The stress of structure each several part;Described information acquisition subsystem includes data-interface and signal processing circuit.The multidimensional bar is gathered to pass
The composite structure stress signal that sensor group is obtained, and signal is easy to transmission by information-processing circuit;Described information point
Analysis subsystem is used to be analyzed the data for uploading treatment, and impurity screening information obtains composite structure stressing conditions, will
Current data compare with the threshold value of system, carry out being classified judgement and analysis on the health status.Described information display subsystem, in knot
Structure is manipulated on interface or monitoring interface, with the stress shape at each position of intuitionistic form display composite structure on illustraton of model
State.
Above-mentioned a kind of composite plane load-carrying construction stress real-time monitoring system, wherein the multidimensional bar sensor group bag
Include:Multiple multidimensional bar sensors and wire, as shown in Figure 3.The multidimensional bar sensor generally comprises 4 to 6 bars, and bar is in space
Arrangement, on single multidimensional sensor according to measurement dimension number connected by 2 to 6 wiring wires.The material of described single bar
Expect to be piezoelectric, tension, compression or can be produced signal by tension and compression combined load.The wire is by single multidimensional bar sensor
The sensor array of a two dimension or three-dimensional is connected into, three-dimensional sensor schematic is shown in Fig. 4.The signal that sensor is produced is by leading
Line passes to information gathering subsystem.
Above-mentioned a kind of composite plane load-carrying construction stress real-time monitoring system, it is characterised in that described multidimensional bar is passed
Sensor group need to be embedded in composite structure in composite manufacturing process.The arrangement of multidimensional sensor group and arrangement will and be combined
Material plates structure detection position matches, can do in echelon, the shape such as rectangle.Shape according to monitoring of structures sets multidimensional
Between shape, the ranks of the array of sensor group between quantity, the ranks of placement sensor sensor spacing, can also be according to monitoring
The thickness and sensor size of structure set several sensor groups, to the stress of monitoring of structures in a thickness direction.
A kind of above-mentioned composite plane load-carrying construction stress real-time monitoring system, wherein described information acquisition subsystem bag
Include:Connection circuit, signal amplification circuit, A/D collection change-over circuit and power circuit;The connection circuit is used for sensor
Signal be connected in information-processing circuit along structural edge;The signal amplification circuit, A/D collection change-over circuits are used respectively
Enhanced processing, analog-to-digital conversion process in structural stress data, most electric signal is changed into data signal at last.
A kind of above-mentioned composite plane load-carrying construction stress real-time monitoring system, wherein described information analyzing subsystem,
Treatment is analyzed for the sensor array data for receiving, impurity screening information carries out numerical analysis, the real-time stress of acquisition
Data, current data are compared with the threshold value of system, carry out classification judgement.
A kind of above-mentioned composite plane load-carrying construction stress real-time monitoring system, wherein described information display subsystem,
Manipulated on interface or monitoring interface in structure, by the illustraton of model on interface, on illustraton of model correspondence position, with intuitionistic form
Show the state of composite structure.The status data of crucial composite structure is provided by information analysis subsystem.
A kind of above-mentioned composite plane load-carrying construction stress real-time monitoring system, wherein the intuitionistic form shows, can
Shown with the form of gradient color, it is also possible to by simple three color carry out normally, remind and three kinds of marks of state of warning and
It has been shown that, can also be in hour of danger, using the sound alarm form such as voice reminder.
Beneficial effect:
Composite plane load-carrying construction stress real-time monitoring system integrated multidimensional bar sensor array, does not influence composite wood
Expect the mechanical property of structure.While integrated information collection subsystem, information analysis subsystem and presentation of information subsystem, to compound
The stress data of material structure is merged, processed and managed.Remote monitoring is realized, monitoring efficiency is improved, by program and expert
System carrys out the data of Treatment Analysis monitoring objective, and shows monitoring result with the formal intuition of two dimension or three-dimensional.
Brief description of the drawings
Fig. 1 is the composite plane load-carrying construction integrated schematic diagram of stress real-time monitoring system of patent of the present invention;
Fig. 2 is sextuple bar sensor group into figure;
Fig. 3 individual layers 6 DOF bar sensor array (axonometric drawing)
Fig. 4 multilayers 6 DOF bar sensor array
Fig. 5 is three-dimensional bar sensor group into figure;
The sensor arrangement schematic diagram of Fig. 6 embodiments 1
The drum layout drawing of Fig. 7 embodiments 2
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings:
Embodiment one
As shown in figure 1, a kind of composite plane load-carrying construction stress real-time monitoring system, the system includes:At least
One multidimensional bar sensor group 11, at least a set of information gathering subsystem 12, a set of information analysis subsystem 13 and a set of information
Display subsystem 14;The multidimensional bar sensor group 11 by multiple line up the multidimensional bar sensor group of array into;The multidimensional bar
Sensor, is shown in Fig. 1, including 8 bars, and bar is arranged in rectangular space coordinate shape, and 8 wiring wires are drawn on single multidimensional sensor
Connection;The material of described single bar is PVDF piezoelectrics, tension, compression or can be produced signal by tension and compression combined load.Institute
State wire and single multidimensional bar sensor is connected into a sensor array for 8x30 two dimensions, see Fig. 2;The sensor array
It is shaped to and is mutually assisted with the size of composite wing detection position with wing sensing location contours profiles, its spacing and array pitch
Adjust;In the process of deployment of composite plane load-carrying construction part, multidimensional bar sensor group is laid on fiber and resin, so
Afterwards followed by paving fiber and resin, multidimensional bar sensor is set to be embedded in composite the inside.Then the lead of multidimensional sensor is connect
Out, the signal that sensor is produced passes to information gathering subsystem by wire.Described information acquisition subsystem 12 is used to gather
The structural stress delta data that the multidimensional bar sensor group 11 is obtained, and believed into numeral by amplifying circuit 122, analog-to-digital conversion
Numbers 123, by aircraft avionics communication interface 1242 in itself, to the transmission signal of information analysis subsystem 13;The power module
124 power-supplying forms for using fuselage power supply 1231, power for multidimensional bar sensor group 11 and acquisition subsystem 12;Described information
Analysis 13 is used for Treatment Analysis multidimensional bar sensor group 11 and produces multichannel stress data, and incorporates experience into data and historical data,
Generation positional information and classification judge, and are used when storing above-mentioned data for structural inspection, while uploading data gives display
System;The data that described information display subsystem 14 is provided according to information analysis subsystem 13, by data aircraft attitude figure
On in a two-dimensional manner, on aircraft wing using green, yellow and red three kinds of colors show normally, remind and warning three kinds of states.
When aircraft take it is larger wing stress can be significantly increased when hiding flare maneuver, the multidimensional bar sensor group is monitored
Remind pilot to take and reasonably hide dynamic in the form of green, yellow and red trichromatism in stress, each position on attitude figure wing
Make, it is to avoid action is excessive, causes composite wing stress excessive and accident occurs.
Embodiment two
System described in a kind of composite plane load-carrying construction stress real-time monitoring system includes:At least one multidimensional bar is passed
Sensor group 11, at least a set of power module and information gathering subsystem treatment 12, a set of information analysis system 13 and a set of information
Display subsystem 14;The multidimensional bar sensor group 11 lines up the multidimensional bar sensor group of array into this multidimensional bar by multiple
Sensor includes 3 bars, sees Fig. 5, and bar is arranged in rectangular space coordinate shape, and 3 wiring wires are drawn on single multidimensional sensor
Connection, the material of described single bar is piezoelectric, tension, compression or can be produced signal by tension and compression combined load.It is described to lead
Single multidimensional bar sensor is connected into a barrel-shaped sensor array by line.9 are arranged in described barrel-shaped array circumference,
10 layers are arranged on longitudinal direction, Fig. 7 is seen;In the process of deployment of composite barrel shape part load-carrying construction part, by multidimensional bar sensor
On group laying fiber and resin, then followed by paving fiber and resin, multidimensional bar sensor is set to be embedded in composite the inside.Then
The lead of multidimensional sensor is picked out to come, the signal that sensor is produced passes to information gathering subsystem by wire.Described information
Acquisition subsystem 12 is used to gather the curent change of multidimensional bar sensor group 11, and by amplifying circuit 122, analog-to-digital conversion electricity
Road 1223 is converted into data signal, based on the wireless distributed network 1241 that Zigbee-technology builds, realizes to information analysis system
Unite the transmission of 13 single channel or multichannel data;The power module 124 is using replaceable battery to the He of multidimensional bar sensor group 11
Transmission system 12 is powered;Described information analysis 13 is used for Treatment Analysis stress data, it is filtered after, with reference to historical data, use
The method of pattern-recognition, judges the stressing conditions of current structure, and generation positional information and classification judge, and store above-mentioned data with
Used during for structural inspection, while uploading data to display subsystem;Described information display subsystem 14 is used in detecting instrument
On in a two-dimensional manner, in the corresponding site of airship monitoring figure, according to the size of stress, in the form of gradient color display alarm and
Warning.
The presentation of information subsystem of the embodiment, by taking aircraft as an example, correspondence position is aobvious on the attitude figure of flight
Show structural stress state.When the stress feelings on the two-dimensional/three-dimensional attitude figure of aircraft, intuitively showing sensor projection position
Condition.The state of composite structure is shown with gradient color, it is also possible to show by simple greenish-yellow red trichromatism.The gradient color shows
Show, be exactly the result according to data, in the form of gradient color, the size of finer reflection data.Described greenish-yellow red trichromatism
Mark, is not shown or is shown with green under normal circumstances.When in beyond a certain value, yellow prompting is carried out, when exceeding again
During a certain value, red warning is carried out, remind pilot or the operator of unmanned plane to take measures, change of flight attitude is kept away
Exempt from the generation of danger.
The presentation of information subsystem of the embodiment, monitoring interface when manipulating interface or safeguard with structure is combined closely,
By the illustraton of model on interface, the state of composite material flat plate structure is shown with intuitionistic form on illustraton of model correspondence position.It is multiple
The status data of condensation material slab construction is provided by information analysis system.
The embodiment is one of combination of above-mentioned technical proposal, during practice, different multidimensional bar sensings
Device group, different power modules, unlike signal collection subsystem, different information analysis subsystems and different signal display sides
The different combination such as formula, within the protection domain of this patent.
Claims (7)
1. a kind of composite plane load-carrying construction stress real-time monitoring system, it is characterised in that the system includes:At least one
Individual multidimensional bar sensor group, at least one information gathering subsystem, at least one information analysis subsystem and at least one information
Display subsystem;The multidimensional bar sensor group by multiple multidimensional bar sensor groups into sensor array, it is compound for perceiving
The stress of material structure each several part;Described information acquisition subsystem includes data-interface and signal processing circuit;Collection is described more
The composite structure stress signal that dimension bar sensor group is obtained, and signal is easy to transmission by information-processing circuit;It is described
Information analysis subsystem is used to be analyzed the data for uploading treatment, and impurity screening information obtains composite structure stress
Situation, current data are compared with the threshold value of system, carry out being classified judgement and analysis on the health status;Described information shows subsystem
System, manipulates on interface or monitoring interface in structure, with each position of intuitionistic form display composite structure on illustraton of model
Stress.
2. a kind of composite plane load-carrying construction stress real-time monitoring system according to claim 1, it is characterised in that
The multidimensional bar sensor group includes:Multiple multidimensional bar sensors and wire;The multidimensional bar sensor generally comprises 3 to 8
Bar, bar is in spatial arrangement, on single multidimensional sensor according to measurement dimension number connected by 3 to 8 wiring wires;Described
The material of single bar is piezoelectric, tension, compression or can be produced signal by tension and compression combined load;The wire is will be single more
Dimension bar sensor connects into the sensor array of a two dimension or three-dimensional;The signal that sensor is produced passes to information and adopts by wire
Subsystem.
3. a kind of composite plane load-carrying construction stress real-time monitoring system according to claim 1, it is characterised in that
Described multidimensional bar sensor group need to be embedded in composite structure in composite manufacturing process;The arrangement of multidimensional sensor group
To match with composite material flat plate structure detection position with arrangement;Shape according to monitoring of structures sets multidimensional sensor group
The quantity of placement sensor, the spacing of sensor between shape, the ranks of array;According to the thickness and sensor size of monitoring of structures
Several sensor groups are set, to the stress of monitoring of structures in a thickness direction.
4. a kind of composite plane load-carrying construction stress real-time monitoring system according to claim 1, it is characterised in that
Described information acquisition subsystem includes:Connection circuit, signal amplification circuit, A/D collection change-over circuit and power circuit;It is described
Connection circuit is used to along structural edge be connected to the signal of sensor in information-processing circuit;The signal amplification circuit,
A/D collection change-over circuits are respectively used to the enhanced processing of structural stress data, analog-to-digital conversion process, and most electric signal is changed at last
Data signal.
5. a kind of composite plane load-carrying construction stress real-time monitoring system according to claim 1, it is characterised in that
Described information analyzing subsystem, treatment is analyzed for the sensor array data for receiving, and impurity screening information carries out numeral
Analysis, the real-time stress data of acquisition compares current data with the threshold value of system, carries out classification judgement.
6. a kind of composite plane load-carrying construction stress real-time monitoring system according to claim 1, it is characterised in that
Described information display subsystem, manipulates on interface or monitoring interface, by the illustraton of model on interface, in illustraton of model pair in structure
Answer on position, the state of composite structure is shown with intuitionistic form;The status data of composite structure is by information analysis
System is provided.
7. intuitionistic form according to claim 1 shows, is shown in the form of gradient color or is carried out by simple three color
Normally, remind and alert three kinds of marks of state with display.
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102980691A (en) * | 2012-11-29 | 2013-03-20 | 西安电子科技大学 | Three-dimensional interface stress sensor |
CN103063331A (en) * | 2011-10-19 | 2013-04-24 | 郭松 | Simple-structure two-dimensional matrix sensor using soft induction materials |
CN106153104A (en) * | 2016-06-08 | 2016-11-23 | 杨力 | A kind of intelligent link system |
US20160371957A1 (en) * | 2015-06-22 | 2016-12-22 | Mc10, Inc. | Method and system for structural health monitoring |
CN206670841U (en) * | 2017-02-28 | 2017-11-24 | 杨力 | A kind of composite plane load-carrying construction stress real-time monitoring system |
CN108362410A (en) * | 2018-04-26 | 2018-08-03 | 中国科学院合肥物质科学研究院 | A kind of three-dimensional force flexible sensor |
-
2017
- 2017-02-28 CN CN201710112498.4A patent/CN106840479A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103063331A (en) * | 2011-10-19 | 2013-04-24 | 郭松 | Simple-structure two-dimensional matrix sensor using soft induction materials |
CN102980691A (en) * | 2012-11-29 | 2013-03-20 | 西安电子科技大学 | Three-dimensional interface stress sensor |
US20160371957A1 (en) * | 2015-06-22 | 2016-12-22 | Mc10, Inc. | Method and system for structural health monitoring |
CN106153104A (en) * | 2016-06-08 | 2016-11-23 | 杨力 | A kind of intelligent link system |
CN206670841U (en) * | 2017-02-28 | 2017-11-24 | 杨力 | A kind of composite plane load-carrying construction stress real-time monitoring system |
CN108362410A (en) * | 2018-04-26 | 2018-08-03 | 中国科学院合肥物质科学研究院 | A kind of three-dimensional force flexible sensor |
Non-Patent Citations (1)
Title |
---|
干方建;刘正士;任传胜;张平;: "一种应变式多维力传感器的优化设计", 传感器与微系统, no. 01, pages 57 * |
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Application publication date: 20170613 |