CN202582496U - Surface crack width detecting instrument - Google Patents
Surface crack width detecting instrument Download PDFInfo
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- CN202582496U CN202582496U CN 201220163527 CN201220163527U CN202582496U CN 202582496 U CN202582496 U CN 202582496U CN 201220163527 CN201220163527 CN 201220163527 CN 201220163527 U CN201220163527 U CN 201220163527U CN 202582496 U CN202582496 U CN 202582496U
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- surface crack
- crack width
- image
- singlechip chip
- sensing probe
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Abstract
The utility model discloses a surface crack width detecting instrument which comprises an image sensing probe and an image analyzing and processing system. The image sensing probe comprises a linear array CMOS image sensor and an infrared light emitting diode which used for irradiating the surface of a detected body. The linear array CMOS image sensor is used for sensing a reflected light signal on the surface of the detected body and for transmitting a sensing signal to the image analyzing and processing system. By analyzing and processing the sensing signal, the image analyzing and processing system acquires the width of the surface crack of the detected body. The surface crack width detecting instrument provided by the utility model has the advantages of simple and compact structure, low cost, good real-time performance, simple and convenient installation and debugging, stable and reliable work and the like.
Description
Technical field
The utility model is mainly concerned with the checkout equipment field of Structural Engineering, refers in particular to a kind of equipment that is applicable to detection architecture engineering surface fracture width.
Background technology
At present, in the large scale structure engineering (for example bridge, dam, building etc.), its surface crack width, length etc. are to be related to the important indicator that this structure whether can the long-term safety operation.In order to guarantee such structure long-term safe operation, avoid the generation of mishap, often need to the surface crack width of this class formation, length in time, the situation of change of temperature etc. carries out long-term automatic detection.
In the prior art, being used for carrying out instrument and method that surface crack width detects has plug, chi, scale magnifier, supersonic reflectoscope or the like.But above-mentioned instrument and method all are to be applicable to artificial on-the-spot the detection, and it inevitably has following deficiency: the one, and accuracy of detection is low, and the 2nd, can't realize automatic monitoring.
The utility model content
The technical matters that the utility model will solve just is: to the technical matters that prior art exists, the utility model provide a kind of simple and compact for structure, with low cost, real-time is good, Installation and Debugging are easy, stable and reliable operation surface crack width detector.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of surface crack width detector; Comprise image sensing probe and graphical analysis and disposal system; The infrared light-emitting diode that said image sensing probe comprises the linear array cmos image sensor and is used for the measured body surface is shone; Said linear array cmos image sensor is used for responding to the reflected light signal on measured body surface and sends sensing signal to graphical analysis and disposal system, and said graphical analysis and disposal system are through carrying out obtaining after the analyzing and processing width of measured body surface crack to sensing signal.
Further improvement as the utility model:
Said graphical analysis and disposal system comprise image-driven control circuit, A/D converter, singlechip chip, RS485 EBI, radio receiving transmitting module and power module; Said singlechip chip links to each other with host computer through RS485 EBI and/or radio receiving transmitting module, and said singlechip chip links to each other with the image sensing probe through image-driven control circuit, A/D converter.
Said graphical analysis and disposal system also comprise clock control module for the moment, and said clock control module links to each other with power module and/or singlechip chip and is used for controlling the interval start-up time that fracture width detects.
Said singlechip chip links to each other with the display analysis result with a LCD.
Said singlechip chip links to each other with the inventory analysis result with a serial storage.
Link to each other through seven core shielding lines between said image sensing probe and the image analysis processing system, said seven core shielding lines comprise the required power lead of linear array cmos image sensor, control signal wire and output line.
Said image sensing probe is fixed to the measured body body structure surface through swell fixture.
Compared with prior art, the advantage of the utility model is:
1, the surface crack width detector of the utility model is simple and compact for structure, with low cost, through infrared diode and linear array cmos image sensor detection architecture surface crack, and the inferred-zero drift, steady in a long-term reliable, measuring accuracy is high.
2, the power module of the utility model adopts the high power lithium battery power supply, and through clock control module time opening, shutdown system power supply, thereby system power dissipation is very low, battery is long service time.
3, adopt wireless transmission means in the utility model, arrange very conveniently, be fit to the remote-wireless data transmission, need not the outer signal transfer wire.
Description of drawings
Fig. 1 is the framed structure principle schematic of the utility model.
Fig. 2 is the circuit theory synoptic diagram of the utility model in concrete application example.
Marginal data:
1, infrared light-emitting diode; 2, linear array cmos image sensor; 3, Drive and Control Circuit; 4, A/D converter; 5, singlechip chip; 6, LCD; 7, serial storage; 8, RS485 EBI; 9, radio receiving transmitting module; 10, power module; 11, clock control module.
Embodiment
Below will combine Figure of description and specific embodiment that the utility model is explained further details.
As shown in Figure 1; The surface crack width detector of the utility model; Comprise an image sensing probe and an image analysis processing system; Comprise a linear array cmos image sensor 2 and the infrared light-emitting diode 1 that is used for the measured body surface is shone in this image sensing probe, this image analysis processing system comprises Drive and Control Circuit 3, A/D converter 4, singlechip chip 5, serial storage 7, LCD 6, RS485 EBI 8, radio receiving transmitting module 9 and power module 10.Singlechip chip 5 links to each other with host computer through RS485 EBI 8 and/or radio receiving transmitting module 9, and singlechip chip 5 links to each other with the image sensing probe through image-driven control circuit 3, A/D converter 4.LCD 6 is used for the display analysis result, and serial storage 7 is used for the inventory analysis result.Linear array cmos image sensor 2 is used for responding to the reflected light signal on measured body surface and sends sensing signal to graphical analysis and disposal system, and graphical analysis and disposal system are through carrying out obtaining after the analyzing and processing width of measured body surface crack to sensing signal.
In the present embodiment, link to each other through seven core shielding lines between image sensing probe and the image analysis processing system, seven core shielding lines comprise power lead, control signal wire and the output line that linear array cmos image sensor 2 is required.
In the present embodiment; The image sensing probe is fixed to the measured body surface through swell fixture; Because surface crack position no-reflection signal; Therefore the light signal of linear array cmos image sensor 2 inductions a little less than, the electric signal of output also can produce corresponding variation, makes corresponding analysis through singlechip chip 5 then and calculates corresponding fracture width with handling.
As far as engineering structure (like bridge), surface crack can suitably allow it to exist, and the surface crack whether security needs of entail dangers to structure is looked crack size, what and situation of change analysis-by-synthesis thereof, so the timing that the crack size need be done certain hour detects.The utility model further is provided with clock control module 11 for the moment; This clock control module 11 links to each other with power module 10 and/or singlechip chip 5; Clock control module 11 is used for being provided with the interval time that fracture width detects, and spacing value is set according to actual needs, thus in order to time opening with close whole detection system; Can reduce the power consumption of system greatly, also realize the full automation detection.Power module 10 adopts the high power lithium battery power supply, and flying power is strong.
Referring to shown in Figure 2, in concrete application example, linear array cmos image sensor 2 adopts U2 ELIS-1024, and singlechip chip 5 adopts U1STC90C54AD, and A/D converter 4 is built among the U1; Clock control module 11 adopts U4 DS1302, and RS485 EBI 8 adopts U53 MAX485, and power module 10 is U11.
Below only be the preferred implementation of the utility model, the protection domain of the utility model also not only is confined to the foregoing description, and all technical schemes that belongs under the utility model thinking all belong to the protection domain of the utility model.Should be pointed out that for those skilled in the art,, should be regarded as the protection domain of the utility model in the some improvement and the retouching that do not break away under the utility model principle prerequisite.
Claims (7)
1. surface crack width detector; It is characterized in that: comprise image sensing probe and graphical analysis and disposal system; The infrared light-emitting diode (1) that said image sensing probe comprises linear array cmos image sensor (2) and is used for the measured body surface is shone; Said linear array cmos image sensor (2) is used for responding to the reflected light signal on measured body surface and sends sensing signal to graphical analysis and disposal system, and said graphical analysis and disposal system are through carrying out obtaining after the analyzing and processing width of measured body surface crack to sensing signal.
2. surface crack width detector according to claim 1; It is characterized in that: said graphical analysis and disposal system comprise image-driven control circuit (3), A/D converter (4), singlechip chip (5), RS485 EBI (8), radio receiving transmitting module (9) and power module (10); Said singlechip chip (5) links to each other with host computer through RS485 EBI (8) and/or radio receiving transmitting module (9), and said singlechip chip (5) links to each other with the image sensing probe through image-driven control circuit (3), A/D converter (4).
3. surface crack width detector according to claim 2; It is characterized in that: said graphical analysis and disposal system also comprise clock control module (11) for the moment, and said clock control module (11) links to each other with power module (10) and/or singlechip chip (5) and is used for controlling the interval start-up time that fracture width detects.
4. surface crack width detector according to claim 2 is characterized in that: said singlechip chip (5) links to each other with the display analysis result with a LCD (6).
5. surface crack width detector according to claim 2 is characterized in that: said singlechip chip (5) links to each other with the inventory analysis result with a serial storage (7).
6. according to any described surface crack width detector in the claim 1～5; It is characterized in that: link to each other through seven core shielding lines between said image sensing probe and the image analysis processing system, said seven core shielding lines comprise power lead, control signal wire and the output line that linear array cmos image sensor (2) is required.
7. according to any described surface crack width detector in the claim 1～5, it is characterized in that: said image sensing probe is fixed to the measured body body structure surface through swell fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220163527 CN202582496U (en) | 2012-04-18 | 2012-04-18 | Surface crack width detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220163527 CN202582496U (en) | 2012-04-18 | 2012-04-18 | Surface crack width detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202582496U true CN202582496U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220163527 Expired - Lifetime CN202582496U (en) | 2012-04-18 | 2012-04-18 | Surface crack width detecting instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN202582496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636125A (en) * | 2012-04-18 | 2012-08-15 | 长沙金码高科技实业有限公司 | Surface crack width detector |
| CN107386107A (en) * | 2017-08-15 | 2017-11-24 | 福建省永正工程质量检测有限公司 | A kind of municipal bridge expanssion joint detection means |
-
2012
- 2012-04-18 CN CN 201220163527 patent/CN202582496U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636125A (en) * | 2012-04-18 | 2012-08-15 | 长沙金码高科技实业有限公司 | Surface crack width detector |
| CN107386107A (en) * | 2017-08-15 | 2017-11-24 | 福建省永正工程质量检测有限公司 | A kind of municipal bridge expanssion joint detection means |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 410205 Tongzi, Hunan, west slope road, No. 188, No. Patentee after: Changsha Polytron Technologies Inc Address before: 410205 Tongzi, Hunan, west slope road, No. 188, No. Patentee before: Jinma High-Tech Industry Co., Ltd, Changsha |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
|
| CX01 | Expiry of patent term |