CN201060175Y - Damnification detecting information intelligent coatings with attached damnification characteristic - Google Patents
Damnification detecting information intelligent coatings with attached damnification characteristic Download PDFInfo
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- CN201060175Y CN201060175Y CNU2006200797768U CN200620079776U CN201060175Y CN 201060175 Y CN201060175 Y CN 201060175Y CN U2006200797768 U CNU2006200797768 U CN U2006200797768U CN 200620079776 U CN200620079776 U CN 200620079776U CN 201060175 Y CN201060175 Y CN 201060175Y
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- sensing layer
- insulating material
- damage
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Abstract
The utility model relates to a damage detecting information intelligent coat with attached damage character. The utility model uses a sensitive twig with attached damage character to reflect the damage degree of the basic structure directly, needs not to disassemble the structure, can be used in the parts which are difficult to detect, and can monitor in real time. The utility model is simple and reliable with precise detection and strong applicability. The utility model includes a sensing layer arranged on the basic body of the components. The sensing layer consists of conductive particles and modifying agents, the thickness is between several microns and tens of microns. A drive layer is arranged between the sensing layer and the component basic body. The drive layer includes an organic material drive layer and an inorganic material drive layer, the inorganic material drive layer is composed of the inorganic insulating material, and the organic material drive layer is composed of the polymer insulating material. The drive layer is integrated with the component basic body and the sensing layer, the thickness of the drive layer is between several microns and hundreds of microns. A protective layer is arranged on the outside of the sensing layer, and the protective layer is composed of insulating material.
Description
One, technical field:
The utility model relates to a kind of material and physical construction damage monitoring structure, especially relates to a kind of damage detection information smart coat with subsidiary damage feature.
Two, background technology:
Material and physical construction damage detection apparatus commonly used at present mainly contain eddy current flaw detec, X-ray detectoscope, magnetic crack detector, acoustic emission structure damage monitoring device and stress strain guage etc.These install some and can only be used for detecting afterwards, generally need decomposition texture, can not be used for process monitoring; Though some can be used in process monitoring, influenced by ambient signal, fiduciary level is not high, and can not be applied to the monitoring of enclose inside structure or labyrinth degree of injury.
Three, utility model content:
The utility model is in order to solve the weak point in the above-mentioned background technology, a kind of damage detection information smart coat with subsidiary damage feature is provided, it is to utilize the responsive tip with subsidiary damage feature directly to reflect the degree of injury of basal body structure, need not decomposition texture, can be used for difficult inspection position and can monitor in real time, simple and direct reliable, detect accurately, applicability is strong.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of damage detection information smart coat with subsidiary damage feature, its special character is: comprise the sensing layer that is arranged on the member matrix, sensing layer is made up of conducting particles, modifier, and thickness is between tens nanometers to tens micron.
Between sensing layer and member matrix, be provided with Drive Layer as required, Drive Layer is divided into organic material Drive Layer and inorganic material Drive Layer, the inorganic material Drive Layer can be by inorganic electrically insulating material as being made up of stupalith, inorganic mineral powder, modifier, the organic material Drive Layer can be by organic electrically insulating material as being made up of zinc chromate primer and adjuvant thereof, Drive Layer and member matrix and sensing layer are solidified into one, and the thickness of Drive Layer is that several microns are between the hundreds of micron.
Be outside equipped with protective seam at sensing layer, protective layer used various electrically insulating materials such as polyurethane paint or pottery or fluid sealant constitute.
Information smart coat is that two-sided layout or single face are arranged.
Compared with prior art, the advantage and the effect that the utlity model has are as follows:
1, the utility model is to utilize the responsive tip with subsidiary damage feature directly to reflect the degree of injury of basal body structure, can accomplish as required whether monitoring of structures cracks at any time; Crack as structure, can also reflect the size that has cracked, and send the alerting signal of appropriate level as required.It is compared with traditional Dynamic Non-Destruction Measurement, have need not clear and definite crack propagation may direction, need not decomposition texture, can be used for difficult inspection position and clear superiority such as can monitor in real time; Compare more simple and direct reliably with sound emission monitoring technology, and be more conducive to the monitoring of practical structures in using; Compare with the ess-strain monitoring technology, more accurate, and applicability is stronger.
2, can greatly ensure the flight safety of aircraft based on aircaft configuration health status subsidiary damage monitoring system of the present utility model, prolong the aircraft utilization life-span.In addition, the utility model also extends to all large-scale or important equipments that fracture failure may take place, as submarine, warship, power station, bridge, large-size spherical tank, petroleum pipe line, ocean platform, space shuttle, truck, mining machinery etc., avoid the generation of major accident, improve reliability, prolong the actual life of various equipments greatly, and can reduce maintenance cost.
Four, description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is an intelligent drives top layer sensing network synoptic diagram.
Fig. 3 is intelligent drives top layer another synoptic diagram of sensing network.
Among the figure, 1-protective seam, 2-sensing layer, 3-Drive Layer, 4-member matrix, the responsive tip of 5-.
Five, embodiment:
The utility model is to utilize the responsive tip of the fault localization with subsidiary damage feature, " subsidiary damage " this concept definition is: when responsive tip (smart coat) and structural matrix are closely as one, it has relevant following feature with all kinds of derogatory behaviours that matrix takes place, promptly can reflect the derogatory behaviour of matrix by the derogatory behaviour of responsive tip, be embodied in: 1. if structural matrix cracks, responsive tip just cracks; 2. if structural matrix does not crack, responsive tip does not crack yet; 3. if the crackle that structural matrix has produced is expanded, corresponding crack propagation also takes place in then responsive tip; 4. if the crackle that structural matrix has produced is not expanded, corresponding crack propagation does not take place in then responsive tip yet.
Responsive tip constitute four kinds of forms: 1. be composited for three layers by Drive Layer, sensing layer and protective seam; 2. by Drive Layer with sensing layer is compound constitutes; 3. constitute separately by sensing layer; 4. the compound composition of sensing layer and protective seam.Wherein, Drive Layer can be divided into organic material Drive Layer and inorganic material Drive Layer two big classes: the inorganic material Drive Layer, as compositions such as stupalith, inorganic mineral powder, modifier; The organic material Drive Layer is as compositions such as zinc chromate primer and adjuvants thereof.Drive Layer and member matrix and sensing layer solidify (fusion) and are integral, has the good matrix damage characteristic of enclosing: when the structural member matrix material forms crackle, Drive Layer also forms crackle, and the driving sensing layer cracks, when matrix cracking is expanded, the Drive Layer crackle is also expanded, and driving sensing layer crackle is also expanded; It is to isolate matrix (as required) and sensing layer that another of Drive Layer mainly acts on, and makes the electric parameter information of sensing layer not be subjected to the interference of matrix; The thickness of Drive Layer as required can be from several microns to tens microns and even up to a hundred microns variations.Sensing layer is made up of conducting particles, modifier etc., under the effect of Drive Layer, in case crack and expand, the electric parameter of sensing layer (lead as resistance, electricity etc.) will take place obviously and clocklike to change, the change information of these electric parameters will be by damage characterization parameter monitor input information harvester, therefore sensing layer is the conductive material that has with fragility, and sensing layer thickness can be tens nanometers to tens micron, selects as required.Protective seam mainly plays the responsive tip of protection, particularly protects sensing layer and plays insulation as required and wait effect, the thickness limits of protective seam not to need too strictness, can decide according to the reality requirement.
Referring to Fig. 1, Figure 1 shows that responsive tip is first kind of four kinds of patterns of information coating, comprise the sensing layer 2 that is arranged on the member matrix 4, sensing layer 2 is by conducting particles, modifier is formed, thickness is between tens nanometers to tens micron, between sensing layer 2 and member matrix 4, be provided with Drive Layer 3, Drive Layer 3 is divided into organic material Drive Layer and inorganic material Drive Layer, the inorganic material Drive Layer is by stupalith, inorganic mineral powder, modifier is formed, the organic material Drive Layer is made up of zinc chromate primer and adjuvant thereof, Drive Layer 3 is solidified into one with member matrix 4 and sensing layer 2, and the thickness of Drive Layer 3 is that several microns are between the hundreds of micron.Be outside equipped with protective seam 1 at sensing layer 2, protective seam 1 usefulness polyurethane paint or pottery or fluid sealant constitute.Drive Layer 3, sensing layer 2 are solidified into one with three of member matrix 4 materials, become intelligent micro to drive the top layer sensing network in each key of structure to be monitored or dangerous position (region of high stress that promptly easily cracks) cloth, become the material system that load and environment accumulated damage are all had adaptivity, the degree of injury of monitoring of structures.Wherein, responsive tip 5 can be two-sided layout, is used for two-sided monitoring; Also can be that single face is arranged, be used for the single face monitoring.Fig. 1 is two-sided monitoring synoptic diagram.The responsive tip of other pattern similarly.
Wherein, Drive Layer 3 can be used zinc chromate primer HO6-2 or HO6-3 or alundum (Al (Al
2O
3) wait insulating material to constitute, adjuvant is zirconia (ZrO
2), modifier is palladium bichloride etc.Sensing layer 2 can be made by electric conductors such as copper, nickel, silver, gold or dags; Protective seam 1 can constitute with insulating material such as polyurethane paint or pottery or fluid sealants.
Applicating example: (1) is for spiro connecting piece, sensing layer width at responsive tip (information smart coat) is 1.2mm, thickness is under the situation of 15 μ m, if the increment alarming value of resistance is made as 0.06 ohm, the structural matrix crack length that then monitors is about 0.6～0.8mm.(2) for riveting parts, be 1.2mm at the sensing layer width of responsive tip (information smart coat), thickness is under the situation of 15 μ m, if the increment alarming value of resistance is made as 0.05 ohm, the structural matrix crack length that then monitors is about 0.5mm.(3) for the structural member that bears in-plane bending, sensing layer width at responsive tip (information smart coat) is 1.2mm, thickness is under the situation of 15 μ m, if the increment alarming value of resistance is made as 0.06 ohm, the structural matrix crack length that then monitors is about 0.6～0.8mm.(4) for the structural member that bears transverse curvature, sensing layer width at responsive tip (information smart coat) is 1.2mm, thickness is under the situation of 15 μ m, if the increment alarming value of resistance is made as 0.06 ohm, the structural matrix crack length that then monitors is about 0.5mm.
Can be by responsive tip 5 according to the intelligent top layer sensing network of the pattern of wants various ways of practical structures monitoring, Fig. 2 and Fig. 3 provide an example that is used for the monitoring of structures hole.
Claims (4)
1. damage detection information smart coat with subsidiary damage feature; it is characterized in that: comprise the sensing layer (2) that is arranged on the member matrix (4); sensing layer (2) is by the electric conductor copper that contains conducting particles; nickel; silver; gold or dag and modifier are formed; thickness is between tens nanometers to tens micron; between sensing layer (2) and member matrix (4), be provided with Drive Layer (3); Drive Layer (3) is divided into organic insulation Drive Layer or inorganic insulating material Drive Layer; the inorganic insulating material Drive Layer is made up of various inorganic insulating materials; the organic insulation Drive Layer is made up of various insulating polymeric materials; Drive Layer (3) is solidified into one with member matrix (4) and sensing layer (2); the thickness of Drive Layer (3) is that several microns are between the hundreds of micron; be outside equipped with protective seam (1) at sensing layer (2), protective seam (1) constitutes with insulating material.
2. the damage detection information smart coat with subsidiary damage feature according to claim 1 is characterized in that: information smart coat is that two-sided layout or single face are arranged.
3. the damage detection information smart coat with subsidiary damage feature according to claim 2, it is characterized in that: the inorganic insulating material of forming the inorganic insulating material Drive Layer comprises stupalith, inorganic mineral powder, modifier, and the insulating polymeric material of forming the organic insulation Drive Layer comprises zinc chromate primer and adjuvant thereof.
4. the damage detection information smart coat with subsidiary damage feature according to claim 3 is characterized in that: the insulating material of forming protective seam comprises polyurethane paint or pottery or fluid sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200797768U CN201060175Y (en) | 2006-09-12 | 2006-09-12 | Damnification detecting information intelligent coatings with attached damnification characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200797768U CN201060175Y (en) | 2006-09-12 | 2006-09-12 | Damnification detecting information intelligent coatings with attached damnification characteristic |
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| Publication Number | Publication Date |
|---|---|
| CN201060175Y true CN201060175Y (en) | 2008-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200797768U Expired - Fee Related CN201060175Y (en) | 2006-09-12 | 2006-09-12 | Damnification detecting information intelligent coatings with attached damnification characteristic |
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| CN (1) | CN201060175Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706901A (en) * | 2012-06-01 | 2012-10-03 | 刘马宝 | Microwave non-destructive testing device and method for metal structure corrosion under protection layer |
| CN110295340A (en) * | 2019-07-15 | 2019-10-01 | 何舒扬 | Crack monitoring sensor and its preparation, monitoring method based on plasma spray coating |
| CN111948276A (en) * | 2020-09-02 | 2020-11-17 | 汕头大学 | Passive wireless piezoelectricity driven composite coating damage detection sensor |
-
2006
- 2006-09-12 CN CNU2006200797768U patent/CN201060175Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706901A (en) * | 2012-06-01 | 2012-10-03 | 刘马宝 | Microwave non-destructive testing device and method for metal structure corrosion under protection layer |
| CN102706901B (en) * | 2012-06-01 | 2014-04-23 | 刘马宝 | Microwave non-destructive testing device and method for metal structure corrosion under protection layer |
| CN110295340A (en) * | 2019-07-15 | 2019-10-01 | 何舒扬 | Crack monitoring sensor and its preparation, monitoring method based on plasma spray coating |
| CN110295340B (en) * | 2019-07-15 | 2021-09-03 | 何舒扬 | Crack monitoring sensor based on plasma spraying and preparation and monitoring methods thereof |
| CN111948276A (en) * | 2020-09-02 | 2020-11-17 | 汕头大学 | Passive wireless piezoelectricity driven composite coating damage detection sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20110912 |