CN201803691U - Inside embedded type seam monitoring device based on flexible conductive paint - Google Patents
Inside embedded type seam monitoring device based on flexible conductive paint Download PDFInfo
- Publication number
- CN201803691U CN201803691U CN2010290441579U CN201029044157U CN201803691U CN 201803691 U CN201803691 U CN 201803691U CN 2010290441579 U CN2010290441579 U CN 2010290441579U CN 201029044157 U CN201029044157 U CN 201029044157U CN 201803691 U CN201803691 U CN 201803691U
- Authority
- CN
- China
- Prior art keywords
- monitoring device
- utility
- device based
- rubber strip
- model
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an inside embedded type seam monitoring device based on the flexible conductive paint. The utility model has the structure of adhering the copper strips onto the rubbery strips, welding conductive wires onto the copper strips, and coating conductive paint onto the rubbery strips. The utility model solves a series of problems that are incapable of being solved such as high cost, incapability of measuring the width of the seam, ensuring the position of the seam, measurement for the width of the seam or the like. The utility model has simple preparation, low cost, and is capable of large-scale product. The position and number for embedding is selected according to the need for bridge monitoring, so that the distributed detection for bridge seams is implemented. The principle for measurement is simple, the reliability is high, and the post-monitoring and processing of data are all relatively convenient. After promotion, the detection cost can be greatly reduced, the detection efficiency is improved, and detection in long distance, non-contact and real-time type is realized.
Description
Technical field
The present invention relates to the cannot-harm-detection device in the bridge health monitoring, particularly a kind of built-in type Crack Monitoring device based on compliant conductive coating.
Background technology
Concrete-bridge in use, under the influence of traffic load and some other external factor, crack etc. can appear in surface inevitably injures, as untimely discovery and solution, with regard to the whole Structure Safety for Bridge of entail dangers to.Therefore, in time, convenient and detect accurately whether the crack takes place, expansion and position and width, significant for the health monitoring of bridge.
Before the present utility model, extensively adopt online, distributed monitoring technical method at present, wherein comparatively outstanding is Fibre Optical Sensor monitoring technology and intelligent concrete technology.The Fibre Optical Sensor monitoring technology is that predispersed fiber is imbedded concrete component or is affixed on outside surface, judges the variation of internal stress and the generation in crack, the method for development by the variation of light intensity output in the detection fiber sensor.Thereby this method is easy to placement sensor, and the perception information amount is big, is fit to carry out the monitoring of distribution of cracks formula.But it is too high that this method exists cost, can't measure fracture width again, and when crack propagation to a certain degree being can consequence such as generation fracture failure etc.The intelligent concrete technical method is directly to bury conductive material (as graphite, carbon dust, steel fibre, charcoal fiber etc.) underground inside concrete, perhaps Intelligent Measurement line (carbon fiber wire, copper wire etc.) is sticked on concrete structural surface with the form of grid, judge the method in crack by monitoring concrete electric signal.Though this technical method is that sensor and structure itself is integrated, has advantage easy to use and energy actual response member state, but determine at crack location, still can't effectively solve on a series of problems such as fracture width measurement, and as if this method also have long distance apart from practicability.
Summary of the invention
The purpose of this utility model just is to overcome the deficiency of above-mentioned various detection methods, develops a kind of built-in type Crack Monitoring device based on compliant conductive coating.
The technical solution of the utility model is:
Based on the built-in type Crack Monitoring device of compliant conductive coating, its major technique is characterised in that copper sheet is pasted on the rubber strip, and wire bonds to copper sheet, is brushed one deck electrically-conducting paint on rubber strip.
Advantage of the present utility model and effect are the built-in type Crack Monitoring element of the compliant conductive coating rubber strip of electrically-conducting paint that has been a kind of external coating, can in bridge construction process, imbed the key position of bridge member, by measuring its resistance variations, thereby realize health monitoring to bridge.
The utility model is based on the built-in type Crack Monitoring element of compliant conductive coating, and employed electrically-conducting paint is that a kind of homemade property dosed carbon is bi-component modified poly ester electrically-conducting paint, and solidifying dried characteristics is surface resistivity 0.8-1 Ω cm
-1Under the environment temperature of ,-50 ℃～100 ℃, fracture elongation 50-80%, humidity resistance excellence, acid and alkali-resistance salt performance are good, can semipermanently use under 80 ℃ of temperature.Rubber strip is a flexible structure, compares with concrete, and elastic modulus is lower, in the deformation process, can not produce extra reacting force to bridge member.
Paste copper sheet and draw lead based on the built-in type Crack Monitoring element two ends of compliant conductive coating, electrically-conducting paint will cover copper sheet, thus the convenient apparatus measures changes in resistance of using.Resistance measurement can be used common ohmmeter, multimeter, perhaps uses the data acquisition instrument of research and development voluntarily, can realize the measurement of 12 passages simultaneously, and can preserve, analyze data.Utilize the effectively position of crack identification of infrared imagery technique, and can carry out measuring under remote, the non-contacting situation width in crack.
The invention has the advantages that monitoring element preparation technology is simple, cost is low, can be mass-produced.According to the needs of bridge monitoring, select embedding position and quantity, thereby realize the Distributed Detection of Bridge Crack.Measuring principle is simple, the reliability height, and the processing of later stage monitoring and data is all comparatively convenient.After promoting the use of, can reduce the detection cost greatly, improve detection efficiency, really realize remote, noncontact, detect in real time.
Description of drawings
Fig. 1---structural principle synoptic diagram of the present utility model.
Embodiment
As shown in Figure 1:
The utility model is mainly by rubber strip 1, electrically-conducting paint 2, and copper sheet 3 and lead 4 are formed; At first, copper sheet 3 is pasted on the rubber strip 1, rubber strip 1 two ends will be pasted copper sheet 3 respectively, and lead 4 is welded on the copper sheet 3, brush one deck electrically-conducting paint 2 then on rubber strip 1, and electrically-conducting paint 2 will cover end copper sheet 3, and covers copper sheet 3.
[0015] engineering practice shows, the variation of the resistance change rate of this device and deformation of members keep synchronously, can effectively monitor concrete component distortion-cracking-crack development, especially can monitor the appearance in crack very delicately.Because rubber strip 1 and electrically-conducting paint 2 have favorable extensibility, can carry out continuous monitoring simultaneously, satisfy the needs of most of engineering monitorings the development in crack.
Claims (6)
1. based on the built-in type Crack Monitoring device of compliant conductive coating, it is characterized in that copper sheet is pasted on the rubber strip, wire bonds to copper sheet, is brushed one deck electrically-conducting paint on rubber strip.
2. the built-in type Crack Monitoring device based on compliant conductive coating according to claim 1 is characterized in that rubber strip is a flexible structure.
3. the built-in type Crack Monitoring device based on compliant conductive coating according to claim 1 and 2 is characterized in that the concrete elastic modulus of modular ratio of rubber strip is low.
4. the built-in type Crack Monitoring device based on compliant conductive coating according to claim 1 is characterized in that the rubber strip two ends will paste copper sheet respectively.
5. the built-in type Crack Monitoring device based on compliant conductive coating according to claim 1 is characterized in that the surface resistivity 0.8-1 Ω cm of one deck electrically-conducting paint of brushing on the rubber strip
-1
6. according to claim 1 or 5 described built-in type Crack Monitoring devices, it is characterized in that electrically-conducting paint will cover the end copper sheet based on compliant conductive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010290441579U CN201803691U (en) | 2010-03-02 | 2010-03-02 | Inside embedded type seam monitoring device based on flexible conductive paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010290441579U CN201803691U (en) | 2010-03-02 | 2010-03-02 | Inside embedded type seam monitoring device based on flexible conductive paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201803691U true CN201803691U (en) | 2011-04-20 |
Family
ID=43873190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010290441579U Expired - Fee Related CN201803691U (en) | 2010-03-02 | 2010-03-02 | Inside embedded type seam monitoring device based on flexible conductive paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201803691U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837074A (en) * | 2014-03-21 | 2014-06-04 | 洛阳理工学院 | Simple device for judging position and width of crack of brittle material |
| CN105716954A (en) * | 2015-02-02 | 2016-06-29 | 中国石油大学(北京) | Hydrofracture simulation test-oriented fracture morphology electricity monitoring method |
| CN105813388A (en) * | 2016-05-04 | 2016-07-27 | 上海凯思尔电子有限公司 | Copper-coated PCB intelligent recognition apparatus |
| CN109405729A (en) * | 2018-09-13 | 2019-03-01 | 东南大学 | Wireless sensor, method for sensing and the system of bridge defect crack long term monitoring |
-
2010
- 2010-03-02 CN CN2010290441579U patent/CN201803691U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837074A (en) * | 2014-03-21 | 2014-06-04 | 洛阳理工学院 | Simple device for judging position and width of crack of brittle material |
| CN105716954A (en) * | 2015-02-02 | 2016-06-29 | 中国石油大学(北京) | Hydrofracture simulation test-oriented fracture morphology electricity monitoring method |
| CN105716954B (en) * | 2015-02-02 | 2019-02-15 | 中国石油大学(北京) | Fracture pattern electricity monitoring method towards hydraulic fracturing simulation test |
| CN105813388A (en) * | 2016-05-04 | 2016-07-27 | 上海凯思尔电子有限公司 | Copper-coated PCB intelligent recognition apparatus |
| CN109405729A (en) * | 2018-09-13 | 2019-03-01 | 东南大学 | Wireless sensor, method for sensing and the system of bridge defect crack long term monitoring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202794092U (en) | Metro tunnel concrete crack monitoring device based on flexible conductive coating | |
| CN201477060U (en) | Crack detection device based on conductive paint | |
| CN103713265B (en) | A kind of burn-in detection system | |
| CN104579166A (en) | Distributed photovoltaic power station monitoring system and fault diagnosis method thereof | |
| CN201803691U (en) | Inside embedded type seam monitoring device based on flexible conductive paint | |
| CN102955088A (en) | Zero resistance insulator detection method on basis of finite element database | |
| CN101958665A (en) | Monitoring method of junction box for photovoltaic module | |
| CN104237467A (en) | Online monitoring system for state of insulator contamination | |
| CN107478909A (en) | A kind of smart grounding resistance on-line computing model and its system | |
| CN207703960U (en) | A kind of Intelligent Mobile Robot | |
| CN114959716A (en) | Stray current interference test probe for cathode protection pipeline and intelligent monitoring system | |
| CN203249889U (en) | Detection device for corrosion of metal pipeline | |
| CN103234896B (en) | Hand-held quick corrosion tester for petroleum pipelines | |
| CN207197528U (en) | A kind of construction engineering quality detection device | |
| CN207123583U (en) | A kind of cable termination on-Line Monitor Device | |
| CN106018492A (en) | Method for detecting dampness of dirt on surface of insulator, and apparatus and system thereof | |
| CN105866648A (en) | Insulation detecting system for power transmission cables | |
| CN112782458A (en) | Arrester zinc oxide structure of arrester intellectual detection system module and adaptation | |
| CN102706928A (en) | Quantitative detector for concrete structure reinforcement corrosion | |
| CN205506739U (en) | Humidity sensor | |
| CN208224153U (en) | Pavement crack monitoring device and road surface | |
| CN203616426U (en) | Insulator electrified detection system, insulator electrified detector and handheld receiving terminal | |
| TWI444522B (en) | The method and apparatus for bridge callapse monitoring | |
| CN204538376U (en) | A kind of cable end | |
| CN203759124U (en) | Portable rail seam resistance tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20150302 |
|
| EXPY | Termination of patent right or utility model |