CN106153720A - Solid engines powder charge II interfacial detachment automatic tester and detection method thereof - Google Patents
Solid engines powder charge II interfacial detachment automatic tester and detection method thereof Download PDFInfo
- Publication number
- CN106153720A CN106153720A CN201510207045.0A CN201510207045A CN106153720A CN 106153720 A CN106153720 A CN 106153720A CN 201510207045 A CN201510207045 A CN 201510207045A CN 106153720 A CN106153720 A CN 106153720A
- Authority
- CN
- China
- Prior art keywords
- unsticking
- solid engines
- solid
- powder charge
- interfacial detachment
- Prior art date
- 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.)
- Pending
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The present invention provides solid engines powder charge II interfacial detachment automatic tester, comprising: multiple vibration signals collecting sensors, is distributed in the outer surface of tested solid engines；Signal sampler, is connected with multiple vibration signals collecting sensor signals；Processor, is connected with signal sampler signal, it is thus achieved that the spectral characteristic of each measuring point of tested solid engines, and judges that database judges the unsticking state at described tested solid engines II interface according to unsticking.The present invention also provides solid engines powder charge II interfacial detachment automatic testing method.The solid engines powder charge II interfacial detachment automatic tester of present invention offer and detection method thereof, can realize that solid engines II interfacial detachment detects automatically quickly and accurately, break away from the dependence for artificial experience for the artificial hammering method, it is simple to large-scale promotion application；Under the support of test data, it is possible to achieve be difficult to the detection of the weak bonding, unsticking gapless or the microgap situation that detect to current method.
Description
Technical field
The present invention relates to rocket solid engine detection field, be specifically related to a kind of solid engines powder charge II interfacial detachment automatic tester and detection method thereof.
Background technology
Solid engines is the core apparatus of guided missile.II interface of solid engines refers to the interface between solid propellant and heat insulation layer, relies on special glue by both bondings in manufacture process.Mass defect in manufacture process or uncertain factor, cause engine solidification cooling, especially engine experience chilling process rear engine II interface unsticking occur, and with the reduction of temperature, unsticking gap continue to increase.After II interfacial detachment appearance, significant impact can be produced to the reliability of solid engines, when serious, may result in the catastrophic collapses such as solid engines blast.
Detection for solid engines II interfacial detachment at present there is no reliable automatic testing method.Although CT detection method can obtain the detection when unsticking gap is bigger, but cannot detect for weak bonding or unsticking gapless situation, more important reason is CT detection excessive cycle, it is impossible to meet the demand of research and production；The artificial detection method that taps needs, by after engine guarantor's low temperature, to make unsticking gap just can detect after reaching certain value.Maximum being limited in that of this method depends critically upon artificial experience, it is impossible to large-scale promotion uses, additionally, this method resolution ratio is relatively low, it is impossible to detect weak bonding, unsticking gapless or microgap situation.
Content of the invention
It is an object of the invention to provide a kind of solid engines powder charge II interfacial detachment automatic testing method, the problem that cannot detect and there is no reliable automatic testing method for weak bonding or unsticking gapless situation with the detection solving current solid engines II interfacial detachment.
In order to solve above-mentioned technical problem, the technical scheme is that a kind of solid engines powder charge II interfacial detachment automatic tester of offer, comprising: multiple vibration signals collecting sensors, be distributed in the outer surface of tested solid engines；Signal sampler, is connected with the plurality of vibration signals collecting sensor signal；Processor, is connected with described signal sampler signal, it is thus achieved that the spectral characteristic of each measuring point of described tested solid engines, and judges that database judges the unsticking state at described tested solid engines II interface according to unsticking.
Further, in solid engines powder charge II interfacial detachment automatic tester, described spectral characteristic is vibration frequency and the amplitude of each measuring point.
Present invention also offers a kind of solid engines powder charge II interfacial detachment automatic testing method, comprising: found out the original solid engine that there is unsticking by artificial hammering method, described original solid engine protects K cryogenic treatment through pre-；Multiple vibration signals collecting sensors are distributed in as required the outer surface of original solid engine；Gather vibration signal by signal sampler；Described vibration signal is carried out spectrum analysis by processor, it is thus achieved that the spectral characteristic of each measuring point of described original solid engine；Described original solid engine is carried out CT scan detection, obtain exact area and the unsticking gap in described original solid engine unsticking region, and combine the spectral characteristic of each measuring point of described original solid engine, set up solid engines II interfacial detachment criterion, by the analysis to surveyed data, set up the criterion of weak bonding, unsticking gapless or microgap further, set up unsticking criteria data storehouse；Utilize the spectral characteristic of each measuring point of the tested solid engines of described solid engines powder charge II interfacial detachment automatic tester measurement, and judge that database judges the unsticking state at described tested solid engines II interface according to unsticking.
Further, in solid engines powder charge II interfacial detachment automatic testing method, described spectral characteristic is vibration frequency and the amplitude of each measuring point.
The solid engines powder charge II interfacial detachment automatic tester that the present invention provides, II interface bond quality detection can be carried out to any one solid engines, judge without again relying on artificial experience, realize that solid engines II interfacial detachment efficient, reliable detects automatically, meet solid engines research institute, the application demand using unit etc..
The solid engines powder charge II interfacial detachment automatic testing method that the present invention provides, can realize that solid engines II interfacial detachment detects automatically quickly and accurately, break away from the dependence for artificial experience for the artificial hammering method, unify the discrimination standard of solid engines II interfacial detachment, eliminate the testing result deviation that human error causes, it is simple to large-scale promotion application；Under the support of test data, it is possible to achieve be difficult to the detection of the weak bonding, unsticking gapless or the microgap situation that detect to current method.
Brief description
Below in conjunction with the accompanying drawings invention is described further:
The structural representation of the solid engines powder charge II interfacial detachment automatic tester that Fig. 1 provides for the embodiment of the present invention；
The steps flow chart schematic diagram of the solid engines powder charge II interfacial detachment automatic testing method that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
A kind of solid engines powder charge II interfacial detachment automatic tester and the detection method thereof that propose the present invention below in conjunction with the drawings and specific embodiments are described in further detail.According to following explanation and claims, advantages and features of the invention will be apparent from.It should be noted that, accompanying drawing all uses the form simplifying very much and all uses non-ratio accurately, only in order to purpose convenient, the aid illustration embodiment of the present invention lucidly.
The core concept of the present invention is, the solid engines powder charge II interfacial detachment automatic tester that the present invention provides, II interface bond quality detection can be carried out to any one solid engines, judge without again relying on artificial experience, realize that solid engines II interfacial detachment efficient, reliable detects automatically, meet solid engines research institute, the application demand using unit etc..The solid engines powder charge II interfacial detachment automatic testing method that the present invention provides, can realize that solid engines II interfacial detachment detects automatically quickly and accurately, break away from the dependence for artificial experience for the artificial hammering method, unify the discrimination standard of solid engines II interfacial detachment, eliminate the testing result deviation that human error causes, it is simple to large-scale promotion application；Under the support of test data, it is possible to achieve be difficult to the detection of the weak bonding, unsticking gapless or the microgap situation that detect to current method.
The structural representation of the solid engines powder charge II interfacial detachment automatic tester that Fig. 1 provides for the embodiment of the present invention.With reference to Fig. 1, solid engines powder charge II interfacial detachment automatic tester includes: multiple vibration signals collecting sensors 11, is distributed in the outer surface of tested solid engines 12；Signal sampler 13, is connected with the plurality of vibration signals collecting sensor 11 signal；Processor 14, is connected with described signal sampler 13 signal, it is thus achieved that the spectral characteristic of each measuring point of described tested solid engines 12, and judges that database judges the unsticking state at described tested solid engines II interface according to unsticking.
In the present embodiment, before utilizing solid engines powder charge II interfacial detachment automatic tester to detect tested solid engines 12, it is necessary first to complete solid engines
The foundation of II interfacial detachment criterion, afterwards by the analysis to surveyed data, set up the criterion of weak bonding, unsticking gapless or microgap further, set up unsticking criteria data storehouse, after unsticking criteria data storehouse is set up, the detection of the solid engines powder charge II interfacial detachment automatic tester that the embodiment of the present invention provides is just effective.
nullIn the present embodiment，Set up unsticking criteria data storehouse，Firstly the need of the solid engines selecting after guarantor's low temperature，Found out the original solid engine that there is unsticking by artificial hammering method，Obtained the spectral characteristic of each measuring point of original solid engine afterwards by the solid engines powder charge II interfacial detachment automatic tester that the present invention provides，Again original solid engine is carried out CT scan detection，Obtain exact area and the unsticking gap in original solid engine unsticking region，In the present embodiment，Original solid engine simply provides data supporting for setting up unsticking criteria data storehouse，Known the spectral characteristic of each measuring point by solid engines powder charge II interfacial detachment automatic tester and CT scanner respectively，The vibration frequency of i.e. each measuring point and amplitude，And the exact area in original solid engine unsticking region and unsticking gap，It is exactly based on these data and form unsticking criteria data storehouse.
The steps flow chart schematic diagram of the solid engines powder charge II interfacial detachment automatic testing method that Fig. 2 provides for the embodiment of the present invention.With reference to Fig. 2, solid engines powder charge II interfacial detachment automatic testing method, comprise the following steps:
S21, being found out the original solid engine that there is unsticking by artificial hammering method, described original solid engine protects K cryogenic treatment through pre-;
S22, the outer surface that multiple vibration signals collecting sensors are distributed in as required original solid engine；
S23, the housing utilizing percussion hammer percussion original solid engine, gather vibration signal by signal sampler；
S24, described vibration signal are carried out spectrum analysis by processor, it is thus achieved that the spectral characteristic of each measuring point of described original solid engine；
S25, described original solid engine is carried out CT scan detection, obtain exact area and the unsticking gap in described original solid engine unsticking region, and combine the spectral characteristic of each measuring point of described original solid engine, set up solid engines II interfacial detachment criterion, by the analysis to surveyed data, set up the criterion of weak bonding, unsticking gapless or microgap further, set up unsticking criteria data storehouse；
S26, the spectral characteristic utilizing each measuring point of the tested solid engines of described solid engines powder charge II interfacial detachment automatic tester measurement, and judge that database judges the unsticking state at described tested solid engines II interface according to unsticking.
In the present embodiment, vibration signals collecting sensor is according to application demand unrestricted choice, and the percussion hammer of application in automatic tester, it taps energy and the position of percussion is all controlled.
Obviously, those skilled in the art can carry out various change and deform without departing from the spirit and scope of the present invention to the present invention.So, if these modifications of the present invention and modification belong to the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these changes and modification.
Claims (4)
1. a solid engines powder charge II interfacial detachment automatic tester, it is characterised in that include:
Multiple vibration signals collecting sensors, are distributed in the outer surface of tested solid engines；
Signal sampler, is connected with the plurality of vibration signals collecting sensor signal；
Processor, is connected with described signal sampler signal, it is thus achieved that the spectral characteristic of each measuring point of described tested solid engines, and judges that database judges the unsticking state at described tested solid engines II interface according to unsticking.
2. solid engines powder charge II interfacial detachment automatic tester as claimed in claim 1, it is characterised in that described spectral characteristic is vibration frequency and the amplitude of each measuring point.
3. the detection method utilizing solid engines powder charge II interfacial detachment automatic tester as claimed in claim 1, it is characterised in that include:
Found out the original solid engine that there is unsticking by artificial hammering method, described original solid engine protects K cryogenic treatment through pre-；
Multiple vibration signals collecting sensors are distributed in as required the outer surface of described original solid engine；
Gather vibration signal by signal sampler；
Described vibration signal is carried out spectrum analysis by processor, it is thus achieved that the spectral characteristic of each measuring point of described original solid engine；
Described original solid engine is carried out CT scan detection, obtain exact area and the unsticking gap in described original solid engine unsticking region, and combine the spectral characteristic of each measuring point of described original solid engine, set up solid engines II interfacial detachment criterion, by the analysis to surveyed data, set up the criterion of weak bonding, unsticking gapless or microgap further, set up unsticking criteria data storehouse；
Utilize the spectral characteristic of each measuring point of the tested solid engines of described solid engines powder charge II interfacial detachment automatic tester measurement, and judge that database judges the unsticking state at described tested solid engines II interface according to unsticking.
4. solid engines powder charge II interfacial detachment automatic testing method as claimed in claim 3, it is characterised in that described spectral characteristic is vibration frequency and the amplitude of each measuring point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510207045.0A CN106153720A (en) | 2015-04-28 | 2015-04-28 | Solid engines powder charge II interfacial detachment automatic tester and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510207045.0A CN106153720A (en) | 2015-04-28 | 2015-04-28 | Solid engines powder charge II interfacial detachment automatic tester and detection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106153720A true CN106153720A (en) | 2016-11-23 |
Family
ID=57346665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510207045.0A Pending CN106153720A (en) | 2015-04-28 | 2015-04-28 | Solid engines powder charge II interfacial detachment automatic tester and detection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106153720A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044914A (en) * | 2017-03-16 | 2017-08-15 | 中国人民解放军海军航空工程学院 | Solid engines bonding interface loaded state supervises detection means |
| CN107271560A (en) * | 2017-05-30 | 2017-10-20 | 湘潭大学 | Ultrasonic detection method for large-scale composite material |
| CN110243941A (en) * | 2019-07-08 | 2019-09-17 | 西安航天化学动力有限公司 | A kind of lossless detection method of solid propellant rocket interfacial detachment defect |
| CN110489776A (en) * | 2019-07-01 | 2019-11-22 | 中国人民解放军96901部队24分队 | A kind of method of solid engines powder charge combustion chamber bonding interface unsticking processing |
| CN114151237A (en) * | 2021-11-26 | 2022-03-08 | 武汉大学 | Intelligent detection system for debonding of solid rocket engine III interface and application method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5476010A (en) * | 1992-07-14 | 1995-12-19 | Sierra Matrix, Inc. | Hands-free ultrasonic test view (HF-UTV) |
| CN103760239A (en) * | 2014-01-27 | 2014-04-30 | 重庆大学 | Debonding detection system of concrete filled steel tubes |
| CN103837597A (en) * | 2014-01-27 | 2014-06-04 | 重庆大学 | Debonding detection method of concrete filled steel tube |
-
2015
- 2015-04-28 CN CN201510207045.0A patent/CN106153720A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5476010A (en) * | 1992-07-14 | 1995-12-19 | Sierra Matrix, Inc. | Hands-free ultrasonic test view (HF-UTV) |
| CN103760239A (en) * | 2014-01-27 | 2014-04-30 | 重庆大学 | Debonding detection system of concrete filled steel tubes |
| CN103837597A (en) * | 2014-01-27 | 2014-06-04 | 重庆大学 | Debonding detection method of concrete filled steel tube |
Non-Patent Citations (2)
| Title |
|---|
| 机械设计手册编委会: "《机械设计手册 单行本 失效分析和故障诊断》", 31 May 2007 * |
| 李涛等: ""固体火箭发动机缺陷分析及其无损检测技术"", 《无损检测》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044914A (en) * | 2017-03-16 | 2017-08-15 | 中国人民解放军海军航空工程学院 | Solid engines bonding interface loaded state supervises detection means |
| CN107271560A (en) * | 2017-05-30 | 2017-10-20 | 湘潭大学 | Ultrasonic detection method for large-scale composite material |
| CN107271560B (en) * | 2017-05-30 | 2019-10-25 | 株洲时代新材料科技股份有限公司 | Ultrasonic detection method for large-scale composite material |
| CN110489776A (en) * | 2019-07-01 | 2019-11-22 | 中国人民解放军96901部队24分队 | A kind of method of solid engines powder charge combustion chamber bonding interface unsticking processing |
| CN110489776B (en) * | 2019-07-01 | 2023-11-14 | 中国人民解放军96901部队24分队 | Method for debonding bonding interface of charging combustion chamber of solid engine |
| CN110243941A (en) * | 2019-07-08 | 2019-09-17 | 西安航天化学动力有限公司 | A kind of lossless detection method of solid propellant rocket interfacial detachment defect |
| CN114151237A (en) * | 2021-11-26 | 2022-03-08 | 武汉大学 | Intelligent detection system for debonding of solid rocket engine III interface and application method |
| CN114151237B (en) * | 2021-11-26 | 2022-11-18 | 武汉大学 | Intelligent detection system for debonding of solid rocket engine III interface and application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106153720A (en) | Solid engines powder charge II interfacial detachment automatic tester and detection method thereof | |
| CN103245430B (en) | A kind of needle-like coaxial thin-film thermocouple for measuring transient temperature | |
| FR2967785B1 (en) | SYSTEM AND METHOD FOR TESTING AN INTEGRATED RADIOFREQUENCY CIRCUIT | |
| CN102809611A (en) | System and method for detecting damage of metal component nondestructively | |
| CN102027339A (en) | Full function test for in situ test of sensors and amplifiers | |
| CN109298298B (en) | GIS basin-type insulator partial discharge defect diagnosis method and system based on quasi-high frequency withstand voltage | |
| CN103698397A (en) | Ultrasonic detection system of quantitative contact pressure, and detection method thereof | |
| CN102393338A (en) | Method for separating influences of fatigue damage and thixotropic factor on asphalt modulus | |
| CN106053000B (en) | A kind of guided missile and carrier rocket Modal Experimental Method | |
| CN102967807A (en) | Insulation defect locating method | |
| WO2015020530A3 (en) | Apparatus for in-situ downhole measurements during operations | |
| CN102759744A (en) | Method for detecting grotto steel lining concrete void thickness | |
| CN104698316B (en) | Connection status detection circuit, internal resistance of cell detection means, cell tester | |
| CN103869096B (en) | Ultrasonic anemoscope range broadening method | |
| CN104635204B (en) | A kind of signal source localization method based on Duffing Lorenz chaos systems | |
| CN103115961A (en) | Waterproof coil overlap joint seam quality detection method and instrument based on B ultrasounds | |
| CN109342566A (en) | A kind of disc insulator defects detection positioning device and method based on supersonic guide-wave | |
| CN104502671A (en) | Dark current testing method of long-wave HgCdTe photovoltaic device | |
| CN104181237A (en) | Structural member flaw detection monitoring temperature compensating method and system thereof | |
| CN204646453U (en) | Portable missile rocket motor the cannot-harm-detection device | |
| US20140245821A1 (en) | Data collector for an internal engine component | |
| CN107121657A (en) | A kind of integrated live testing apparatus for local discharge check system and method | |
| CN110397446A (en) | A kind of tunnel-liner cavity disease optimum detection time determines method | |
| CN102901611A (en) | Rapid checking method for damage of modal test-based spaceborne antenna structure | |
| CN203732155U (en) | Vibration acoustic-detection spectrum-collection device based on technology of active noise reduction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |