CN110161128A - A kind of adaptive structure damage acoustic emission sensor fixture - Google Patents
A kind of adaptive structure damage acoustic emission sensor fixture Download PDFInfo
- Publication number
- CN110161128A CN110161128A CN201810660523.7A CN201810660523A CN110161128A CN 110161128 A CN110161128 A CN 110161128A CN 201810660523 A CN201810660523 A CN 201810660523A CN 110161128 A CN110161128 A CN 110161128A
- Authority
- CN
- China
- Prior art keywords
- acoustic emission
- emission sensor
- air bag
- shell
- fixture
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
A kind of adaptive structure disclosed by the embodiments of the present invention damages acoustic emission sensor fixture, is related to spacecraft structure damage monitoring technology, is made of space filtering ball, acoustic emission sensor, air bag, tracheae, conical shell.Space filtering ball is arranged closely in the bottom of conical shell, which can be deformed with integrally bending；Acoustic emission sensor is fitted closely with space filtering ball；Air bag is located at acoustic emission sensor upper space, external high pressure gas can be imported by tracheae, so that acoustic emission sensor be withstood；Conical shell is used for the support of entire fixture.The fixture is mainly used for structural damage detection.
Description
Technical field
The present invention relates to spacecraft structure damage monitoring technical fields more particularly to a kind of adaptive structure to damage sound emission
Clamp of sensor.
Background technique
Near space refers to wide airspace of the height between 20~100km, between traditional sky and day.With army
The fast development of reason opinion and military requirement, the defence near space field and striking capabilities obtain extensive concern, just by
Step becomes one of the field that each military power gives priority to.The core weapon system that near space vehicle is fought as the airspace
System, is the main study subject in world today aviation integral field, motor-driven with fast reaction, strong prominent anti-, strong destruction and height
The abilities such as operation and precision strike, have revolutionary influence to the following aviation integral operation.Near space vehicle high speed
Harsh aerothermal load is born during flying or reentering, to guarantee that the component of aircraft interior can work normally,
Need an effective thermal protection structure.With being continuously increased for flight Mach number and endurance, fuselage surface temperature is constantly increased,
Traditional thermal protection structure and material such as metal thermal protection, heat insulation felt etc. can not continue to meet requirement, it is necessary to use heatproof
Higher, the superior ceramic matric composite thermal protection structure of inoxidizability of property.
Damage shape is carried out near space vehicle thermal protection structure using suitable damage reason location and quantitative Diagnosis method
State monitoring will be to guaranteeing that flight safety plays very crucial effect.It is strong that correlative study shows that the damage of material will lead to
Sound emission (Acoustic Emission, referred to as " AE ") characteristic, acoustic emission signal the inside is contained about the important of structural damage
Information, such as damage position, damage mode and injury severity score etc., composite material damage identifing source and positioning, split
It is had great advantages in the engineering practices such as line germinating and extension monitoring, has obtained preliminary application in damage check.
However, the surface of part to be tested is frequently not the shape of rule, there are a large amount of curved surfaces, so as to cause sound emission
Sensor cannot be closely bonded with part surface to be tested, influence test effect.It needs to develop a kind of adaptive structure damage
Acoustic emission sensor fixture design approach.
Summary of the invention
It is an object of the invention to overcome the shortage of prior art, a kind of adaptive structure damage acoustic emission sensor is provided
Fixture is able to solve during structural damage detection, acoustic emission sensor with to geodesic structure be difficult to the problem of fitting closely.
Technical solution of the invention:
A kind of adaptive structure damage acoustic emission sensor fixture, the clamp structure include shell and are placed in the shell
Elastically-deformable deformable body, acoustic emission sensor, air bag and tracheae occur for portion；The deformable body is placed in the shell one
Between wall surface and the acoustic emission sensor, the air bag closely acoustic emission sensor setting, by the tracheae to institute
The high pressure gas outside air bag importing is stated, the air bag after volume becomes larger withstands the acoustic emission sensor.
It is further alternative, the shell be conical shell, the deformable body be placed in the conical shell inner plane and
Between the acoustic emission sensor.
Further alternative, the deformable body is space filtering ball array, and the space filtering ball array is arranged closely in
The bottom of the shell, the space filtering ball array can be deformed with integrally bending.
A kind of adaptive structure provided in an embodiment of the present invention damages acoustic emission sensor fixture, by space filtering ball, sound
Emission sensor, air bag, tracheae, conical shell composition.Space filtering ball is arranged closely in the bottom of conical shell, which can
It is deformed with integrally bending；Acoustic emission sensor is fitted closely with space filtering ball；Air bag is located at acoustic emission sensor upper space,
External high pressure gas can be imported by tracheae, so that acoustic emission sensor be withstood；Conical shell is for entire fixture
Support.Realize acoustic emission sensor and fitting closely to geodesic structure.
Detailed description of the invention
Included attached drawing is used to provide to be further understood from the embodiment of the present invention, and which constitute one of specification
Point, for illustrating the embodiment of the present invention, and come together to illustrate the principle of the present invention with verbal description.It should be evident that below
Attached drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art, is not paying creation
Property labour under the premise of, be also possible to obtain other drawings based on these drawings.
Fig. 1 is that a kind of adaptive structure provided in an embodiment of the present invention damages the signal of acoustic emission sensor installation structure for clamp
Figure.
Specific embodiment
Specific embodiments of the present invention are described in detail below in conjunction with attached drawing.In the following description, for solution
Purpose and not restrictive is released, elaborates detail, to help to be apparent from the present invention.However, to those skilled in the art
It is readily apparent that the present invention can also be practiced in the other embodiments departing from these details for member.
It should be noted that only showing in the accompanying drawings in order to avoid having obscured the present invention because of unnecessary details
Gone out with closely related device structure and/or processing step according to the solution of the present invention, and be omitted with relationship of the present invention not
Big other details.
The embodiment of the present invention proposes a kind of adaptive structure damage acoustic emission sensor fixture.Acoustic emission sensor can be promoted
With fitting closely for surface to be measured.
Referring to Fig. 1, the clamp structure include shell and be placed in the enclosure interior occur elastically-deformable deformable body,
Acoustic emission sensor, air bag and tracheae；Deformable body is placed between one inner wall of shell and acoustic emission sensor, and air bag is closely
Acoustic emission sensor setting, by tracheae to the high pressure gas outside air bag importing, the air bag after volume becomes larger passes sound emission
Sensor is withstood.
Preferably, the shell is conical shell, and the deformable body is placed in the conical shell inner plane and the sound
Between emission sensor.
It is further preferred that the deformable body is space filtering ball array, the space filtering ball array is arranged closely in
The bottom of the shell, the space filtering ball array can be deformed with integrally bending.
A kind of adaptive structure of the present embodiment damages acoustic emission sensor fixture, by space filtering ball, acoustic emission sensor,
Air bag, tracheae, conical shell composition.Space filtering ball is arranged closely in the bottom of conical shell, which can be with integrally bending
Deformation；Acoustic emission sensor is fitted closely with space filtering ball；Air bag is located at acoustic emission sensor upper space, can by tracheae
With the high pressure gas outside importing, so that acoustic emission sensor be withstood；Conical shell is used for the support of entire fixture.Using sky
Between filtering ball contacted with testee surface, fitting closely for curved surface may be implemented；Using air bag realize acoustic emission sensor with
Space filtering ball fits closely；Realize acoustic emission sensor and fitting closely to geodesic structure.For near space vehicle heat
Safeguard structure damage check provides new method, pushes the progress of acoustic emission.
As above it describes for a kind of embodiment and/or the feature that shows can be in a manner of same or similar at one or more
It is used in a number of other embodiments, and/or combines or substitute the feature in other embodiments with the feature in other embodiments
It uses.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step, component or combinations thereof.
The many features and advantage of these embodiments are clear according to the detailed description, therefore appended claims are intended to
Cover all these feature and advantage of these embodiments fallen into its true spirit and range.Further, since this field
Technical staff is readily apparent that many modifications and changes, therefore is not meant to for the embodiment of the present invention to be limited to illustrated and description essence
Really structurally and operationally, but all suitable modifications and the equivalent fallen within the scope of its can be covered.
Unspecified part of the present invention is known to the skilled person technology.
Claims (3)
1. a kind of adaptive structure damages acoustic emission sensor fixture, which is characterized in that the clamp structure includes shell and sets
Elastically-deformable deformable body, acoustic emission sensor, air bag and tracheae occurs in the enclosure interior；The deformable body is placed in institute
It states between one inner wall of shell and the acoustic emission sensor, the air bag closely acoustic emission sensor setting passes through institute
State tracheae to the air bag import outside high pressure gas, volume become larger after the air bag by the acoustic emission sensor top
Firmly.
2. fixture according to claim 1, which is characterized in that the shell is conical shell, and the deformable body is placed in institute
It states between conical shell inner plane and the acoustic emission sensor.
3. fixture according to claim 1, which is characterized in that the deformable body is space filtering ball array, the space
Filtering ball array is arranged closely in the bottom of the shell, which can be deformed with integrally bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660523.7A CN110161128A (en) | 2018-06-25 | 2018-06-25 | A kind of adaptive structure damage acoustic emission sensor fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810660523.7A CN110161128A (en) | 2018-06-25 | 2018-06-25 | A kind of adaptive structure damage acoustic emission sensor fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110161128A true CN110161128A (en) | 2019-08-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810660523.7A Pending CN110161128A (en) | 2018-06-25 | 2018-06-25 | A kind of adaptive structure damage acoustic emission sensor fixture |
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| Country | Link |
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| CN (1) | CN110161128A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981261A (en) * | 2020-08-06 | 2020-11-24 | 郑州铁路职业技术学院 | Sensor fixing device for track detection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338883A (en) * | 2011-06-02 | 2012-02-01 | 朱德兵 | Advance detection sensor string oriented transmitting device and using method thereof |
| CN203089277U (en) * | 2013-01-28 | 2013-07-31 | 青岛理工大学 | Surgical operation skull grinding temperature on-line detection and controllable handheld type grinding device |
| CN203643407U (en) * | 2013-11-06 | 2014-06-11 | 北京欧宁航宇检测技术有限公司 | Anhydrous coupling device for ultrasonic detection |
| JP2017167100A (en) * | 2016-03-18 | 2017-09-21 | 株式会社東芝 | Monitoring system for structure, and method for monitoring structure |
-
2018
- 2018-06-25 CN CN201810660523.7A patent/CN110161128A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338883A (en) * | 2011-06-02 | 2012-02-01 | 朱德兵 | Advance detection sensor string oriented transmitting device and using method thereof |
| CN203089277U (en) * | 2013-01-28 | 2013-07-31 | 青岛理工大学 | Surgical operation skull grinding temperature on-line detection and controllable handheld type grinding device |
| CN203643407U (en) * | 2013-11-06 | 2014-06-11 | 北京欧宁航宇检测技术有限公司 | Anhydrous coupling device for ultrasonic detection |
| JP2017167100A (en) * | 2016-03-18 | 2017-09-21 | 株式会社東芝 | Monitoring system for structure, and method for monitoring structure |
Non-Patent Citations (1)
| Title |
|---|
| 艾春安: "《多层结构超声检测理论与技术》", 30 September 2014 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981261A (en) * | 2020-08-06 | 2020-11-24 | 郑州铁路职业技术学院 | Sensor fixing device for track detection |
| CN111981261B (en) * | 2020-08-06 | 2021-08-24 | 郑州铁路职业技术学院 | Sensor fixing device for track detection |
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