CN203069519U - Laser flaw detection system applicable to distant flaw detection - Google Patents
Laser flaw detection system applicable to distant flaw detection Download PDFInfo
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- CN203069519U CN203069519U CN 201220661426 CN201220661426U CN203069519U CN 203069519 U CN203069519 U CN 203069519U CN 201220661426 CN201220661426 CN 201220661426 CN 201220661426 U CN201220661426 U CN 201220661426U CN 203069519 U CN203069519 U CN 203069519U
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- flaw detection
- industrial camera
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Abstract
The utility model is applicable to the technical field of laser flaw detection, and provides a laser flaw detection system applicable to distant flaw detection. The laser flaw detection system applicable distant flaw detection comprises a mainframe, a linear laser device, an industrial camera and a motor rotating platform, wherein the linear laser device is connected with the mainframe, and is controlled by the mainframe on the surface of a detected object for projecting laser stripes; the industrial camera is provided with an electric focusing lens, is connected with the mainframe and controlled by the mainframe to shoot the laser stripes distantly projected on the surface of the detected object, and transmits the shot picture to the mainframe for analysis and processing; and the motor rotating platform is provided with the linear laser device and the industrial camera, connected with the mainframe and controlled by the mainframe to rotate. The laser flaw detection system has the following advantages of being capable of realizing remote high-definition picture data acquisition by adopting the special industrial camera with the electric focusing lens, as well as realizing the distant picture by adopting the special laser device, and being finer in stripes. Therefore, the distant high-precision flaw detection of the object can be realized, and the laser flaw detection system is convenient to daily maintenance.
Description
Technical field
The utility model belongs to laser inspection technique field, relates in particular to a kind of laser fault detection system that is applicable to remote flaw detection.
Background technology
Wind energy is a kind of regenerative resource of cleaning, and the development of wind-power electricity generation has very important effect to the energy development of a country, and popularizing of wind-power electricity generation run into obstruction, and the cost height is key factor, wherein the aspect that can not be ignored especially of maintenance cost.
Blade is the parts that determinacy is higher in the wind power components, market capacity is bigger.When the day-to-day operation of blower fan was safeguarded, blade often can not get paying attention to.At many wind field blades all can natural cracking appear because of wearing out, trachoma, and surface abrasion, thunderbolt damages, big defective such as transversal crack.Because fan blade height height, generally about 20 meters, present method of detection generally all is at in-plant, method of detection preferably can not adopted, therefore, the mode that the maintenance of fan blade just adopts the dismounting back to safeguard, such maintenance efficiency is just very low, very backward, often can not get detecting timely and safeguarding.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of laser fault detection system that is applicable to remote flaw detection, is intended to make some objects that can't closely detect a flaw to be detected timely and safeguards.
The utility model is achieved in that a kind of laser fault detection system that is applicable to remote flaw detection, comprising:
Main frame;
Laser line generator, it is connected with described main frame, by described host computer control at testee surface projection laser stripe;
The industrial camera that has motorized zoom lens is connected with described main frame, takes described laser line generator at the laser stripe of testee surface projection by described host computer control, and photographic images is transferred to described main frame carries out analyzing and processing;
The motor universal stage of described laser line generator and described industrial camera is installed, and it is connected with described main frame, is rotated by described host computer control.
Further, described laser fault detection system also comprises:
One display, it is connected with described main frame, shows the 3-D view after described host analysis is handled.
Further, described main frame connects described laser line generator, described motor universal stage by a control module; Described control module comprises:
One microcontroller, it is connected with described laser line generator, controls the work of described laser line generator;
One motor driver, it is connected between described microcontroller and the described motor universal stage, drives described motor universal stage and be rotated under the control of described microcontroller;
One RS-232 interface, it is connected between described microcontroller and the described main frame.
Further, described control module also comprises:
The one house dog holding circuit that is connected with described microcontroller.
Further, described control module also comprises:
One power module is with one or more connection the in described microcontroller, described motor driver, described house dog holding circuit, described RS-232 interface, laser line generator, the motor universal stage.
Further, described laser line generator and described industrial camera are fixed on the described motor universal stage by a telescopic adjustment rack, and described adjustment rack can be regulated distance and the relative angle between described laser line generator and the described industrial camera.
Further, the camera lens arranged outside of described industrial camera has the adjustable magnifier of enlargement factor.
The laser fault detection system that the utility model provides has the following advantages: 1) adopt the special-purpose industrial camera with electronic zoom lens can realize remote high-definition image data acquisition; 2) adopt special laser line generator, can realize remote imaging, and striation is thinner; 3) telescopic adjustment rack is beneficial to carrying and carries, and by regulating the blade flaw detection that adjustment rack adapts to different distance.Therefore the present invention can realize object distant-range high-precision flaw detections such as blade, is convenient to maintenance repair and maintenance.
Description of drawings
Fig. 1 is the laser fault detection system structure principle chart that is applicable to remote flaw detection that the utility model embodiment provides;
Fig. 2 is the structure principle chart of the control module among Fig. 1.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
In the utility model, but utilize laser line generator imaging at a distance, with the characteristic of the industrial camera remote capture high-definition image data of electronic zoom lens, realize the remote flaw detection to measured object.
Fig. 1 shows the laser fault detection system structural principle that is applicable to remote flaw detection that the utility model embodiment provides, and for convenience of description, only shows the part relevant with present embodiment.
With reference to Fig. 1, this laser fault detection system comprises laser line generator 1 at least, industrial camera 2, motor universal stage 3, main frame 4, wherein, laser line generator 1 is connected with main frame 4, under the control of main frame 4 at surface projection's laser stripe of testee A, industrial camera 2 has motorized zoom lens, can realize remote high-definition image data acquisition, industrial camera 2 is connected with main frame 4, main frame 4 control industrial cameras 2 shooting line laser instruments 1 are at the laser stripe of the surface projection of testee A, and photographic images is transferred to main frame 4 carries out analyzing and processing, thereby the surface of learning testee A in photographic images defectiveness whether.
Laser line generator 1 and industrial camera 2 are by telescopic adjustment rack 9 angled being installed on the motor universal stage 3, described adjustment rack 9 can be regulated distance and the relative angle between described laser line generator and the described industrial camera, requires industrial camera 2 can capture laser line generator 1 at the laser stripe of the surface projection of testee A.Motor universal stage 3 is connected with main frame 4, can be rotated under the control of main frame 4, rotates with industrial camera 2 to drive laser line generator 1, and then can photograph the defective of each face of testee A in all directions, detects a flaw.
During work, by the distance between adjusting adjustment rack 9 and then adjustment adjusting laser line generator and the industrial camera and angle between the two, adjust automatically controlled turret base simultaneously and place after the suitable distance of measured object,, can begin to scan the measured object surface information.At first main frame 4 control line laser instruments 1 projection laser stripe is to the surface of testee A, owing to be subjected to the surface modulation of testee A, laser stripe deforms, this moment, main frame 4 set the focal length of industrial camera 2 by the control motorized zoom lens, and then control industrial camera 2 is taken the laser stripe of distortion, obtain scored view data, after the processing of 4 pairs of stripe patterns of main frame, can obtain the three-dimensional data of this profile.Meanwhile, main frame 4 control motor universal stages 3 are rotated, thereby driving laser line generator 1 and industrial camera 2 is rotated, sweep trace 11 begins to move along the d direction as shown in Figure 1 like this, industrial camera 2 can take one group the image that has laser stripe like this, within sweep limit, then this slight crack can be collected by industrial camera 2 as the slight crack A1 on the surface of testee A.By above-mentioned same processing, can obtain the profile information on the surface of whole testee A, finally reach the purpose of measured object surface inspection in conjunction with the rotation amount of electrical turntable.
Further, for ease of maintenance system, above-mentioned main frame 4 is by a control module 5 connecting line laser instruments 1, motor universal stage 3, control module 5 has hole 6 and hole 7, hole 6 is passed for the data line of control module 5 with laser line generator 1, motor universal stage 3, and hole 7 is passed for power lead and the data line of control module 5 with main frame 4.
Fig. 2 shows the structural principle of control module 5, as described in Figure 2, control module 5 is included as microcontroller 51, motor driver 52, RS-232 interface 53 at least, microcontroller 51 connecting line laser instruments 1 wherein, the work of control line laser instrument 1, it is connected in motor driver 52 between microcontroller 51 and the motor universal stage 3, microcontroller 51 control motor drivers 52 drive motor universal stages 3 are rotated, and RS-232 interface 53 is connected between microcontroller 51 and the main frame 4, is the communication interface of microcontroller 51 and main frame 4.
Further; control module 5 also comprises a house dog holding circuit 54 that is connected with microcontroller 51; house dog holding circuit 54 is the holding circuit of microcontroller 51; when microcontroller 51 is subjected to unexpected the interference; as when phenomenon such as program fleet, deadlock occurring, house dog holding circuit 54 can output one reset signal be given microcontroller 51, makes the program operation that starts anew again; the antijamming capability of raising system shields.
Further; control module 5 also comprises a power module 55; its can with microcontroller 51, motor driver 52, house dog holding circuit 54, RS-232 interface 53, laser line generator 1, motor universal stage 3 between one or more the connection, be each unit module power supply.
Further, above-mentioned laser fault detection system also comprises a display 6 that is electrically connected with main frame 4, with the 3-D view after demonstration main frame 4 analyzing and processing, gives visual experience.
For further improving the remote image collection effect, can place a magnifier in the outside of industrial camera camera lens, the enlargement factor of this magnifier is adjustable, specifically selects great enlargement factor, then is to select according to the distance of measured object.
In sum, this laser fault detection system precision height can be realized object distant-range high-precision flaw detections such as blade, is easy to control, is convenient to maintenance repair and maintenance.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. a laser fault detection system that is applicable to remote flaw detection is characterized in that, comprising:
Main frame;
Laser line generator, it is connected with described main frame, by described host computer control at testee surface projection laser stripe;
The industrial camera that has motorized zoom lens is connected with described main frame, takes described laser line generator at the laser stripe of testee surface projection by described host computer control, and photographic images is transferred to described main frame carries out analyzing and processing;
The motor universal stage of described laser line generator and described industrial camera is installed, and it is connected with described main frame, is rotated by described host computer control.
2. laser fault detection system as claimed in claim 1 is characterized in that, described laser fault detection system also comprises: a display, it is connected with described main frame, shows the 3-D view after described host analysis is handled.
3. laser fault detection system as claimed in claim 1 is characterized in that, described main frame connects described laser line generator, described motor universal stage by a control module; Described control module comprises:
One microcontroller, it is connected with described laser line generator, controls the work of described laser line generator;
One motor driver, it is connected between described microcontroller and the described motor universal stage, drives described motor universal stage and be rotated under the control of described microcontroller;
One RS-232 interface, it is connected between described microcontroller and the described main frame.
4. laser fault detection system as claimed in claim 3 is characterized in that, described control module also comprises:
The one house dog holding circuit that is connected with described microcontroller.
5. laser fault detection system as claimed in claim 4 is characterized in that, described control module also comprises:
One power module is with one or more connection the in described microcontroller, described motor driver, described house dog holding circuit, described RS-232 interface, laser line generator, the motor universal stage.
6. laser fault detection system as claimed in claim 1, it is characterized in that, described laser line generator and described industrial camera are fixed on the described motor universal stage by a telescopic adjustment rack, and described adjustment rack can be regulated distance and the relative angle between described laser line generator and the described industrial camera.
7. laser fault detection system as claimed in claim 1 is characterized in that, the camera lens arranged outside of described industrial camera has the adjustable magnifier of enlargement factor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661426 CN203069519U (en) | 2012-12-05 | 2012-12-05 | Laser flaw detection system applicable to distant flaw detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220661426 CN203069519U (en) | 2012-12-05 | 2012-12-05 | Laser flaw detection system applicable to distant flaw detection |
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| Publication Number | Publication Date |
|---|---|
| CN203069519U true CN203069519U (en) | 2013-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220661426 Expired - Fee Related CN203069519U (en) | 2012-12-05 | 2012-12-05 | Laser flaw detection system applicable to distant flaw detection |
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| CN (1) | CN203069519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848800A (en) * | 2015-06-17 | 2015-08-19 | 中国地质大学（武汉） | Multi-angle three dimensional imaging apparatus based on line laser scanning |
-
2012
- 2012-12-05 CN CN 201220661426 patent/CN203069519U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104848800A (en) * | 2015-06-17 | 2015-08-19 | 中国地质大学（武汉） | Multi-angle three dimensional imaging apparatus based on line laser scanning |
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| 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: 20130717 Termination date: 20131205 |