CN106442557A - Detection method for composite member joint defect detection system, and defect detection system - Google Patents
Detection method for composite member joint defect detection system, and defect detection system Download PDFInfo
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Abstract
The invention discloses a detection method for a composite member joint defect detection system, and the defect detection system. The method comprises the following steps: a control conveyer rotates a composite member to be detected to a target position from an initial position; distance parameters are read from a laser sensor at a preset time interval when the control conveyer rotates the composite member to be detected to a target position from an initial position to generate a distance parameter sequence; acquiring the maximum distance parameter value and the minimum distance parameter value from the distance parameter sequence, and calculating the absolute value of a difference between the maximum distance parameter value and the minimum distance parameter value; comparing the absolute value of the difference with a preset difference threshold; and determining that the joint of the composite member to be detected has defects when the distance difference is greater than or equal to the difference threshold. A problem of poor detection efficiency of artificial detection of the composite member joint defects in the prior art is solved in the invention.
Description
Technical field
The present invention relates to detection field, in particular to a kind of detection method for composite members joint defect detecting system and defect detecting system.
Background technology
With the popularization of vehicle, the demand of tire grows with each passing day, and the quality of tire quality concerns the safety of the lives and properties of people.
In tire building process, it is made up of the splicing of each semi-finished product middleware, one of main middleware is exactly composite members（PA composite members）.Composite members are dimerous by inner liner and sidewall（As shown in Figure 1）.In the forming process of composite members, inner liner and sidewall are transported to by transporter part by bulk supply frame, and on transporter, inner liner and sidewall are fitted.Composite members, during laminating, due to due to each side such as machinery, electric, sizing material, generally occur some defects in the joint of composite members.Wherein, the defect being primarily present has：Come unglued（Inner liner, sidewall）, misalignment（Memory layers, sidewall）, overlap joint excessive（Inner liner, sidewall）, the quality of the impact later stage forming tire that these defects can be direct or indirect.
In order to detect the composite members defect that joint occurs during laminating, presently mainly using manually being detected to composite members joint based on experience.By manually composite members being carried out detecting this mode with have shortcomings, such as：The testing staff needing monitoring experience carries out detecting, the aspect such as the inefficiency of manual detection, monitoring process personnel monitored emotion impact accuracy of detection.
For the problem of the detection efficiency difference by manually detecting to composite members joint defect, leading in prior art, effective solution is not yet proposed at present.
Content of the invention
Present invention is primarily targeted at providing a kind of detection method for composite members joint defect detecting system and system, to solve by manually detecting to composite members joint defect, the problem of the detection efficiency difference leading to.
To achieve these goals, a kind of one side according to embodiments of the present invention, there is provided detection method for composite members joint defect detecting system, the method includes：Transporter is controlled to be rotated to target location composite members to be detected by original position；During controlling transporter to be rotated to target location composite members to be detected by original position, read distance parameter according to default time interval from laser sensor, generate distance parameter sequence, wherein, the laser sensor that distance parameter gathers for laser sensor is to the distance value on composite members surface to be detected；Obtain the ultimate range parameter value in distance parameter sequence and minimum range parameter value, and calculate ultimate range parameter value and the absolute difference of minimum range parameter value；Absolute difference is compared with the difference threshold pre-setting；When distance difference is more than or equal to difference threshold, determine the joint existing defects in composite members to be detected.
To achieve these goals, a kind of another aspect according to embodiments of the present invention, there is provided composite members joint defect detecting system, this system includes：Transporter, for fixing and rotating composite members to be detected；Laser sensor, for the distance parameter of collection and composite members surface to be detected；Controller, is electrically connected with transporter, laser sensor respectively, for controlling transporter to be rotated to target location composite members to be detected by original position；During controlling composite members to be detected to be rotated to target location by original position, read distance parameter according to default time interval from laser sensor, generate distance parameter sequence, wherein, the laser sensor that distance parameter gathers for laser sensor is to the distance value on composite members surface to be detected；Obtain the ultimate range parameter value in distance parameter sequence and minimum range parameter value, and calculate ultimate range parameter value and the absolute difference of minimum range parameter value；Absolute difference is compared with the difference threshold pre-setting；When distance difference is more than or equal to difference threshold, determine the joint existing defects in composite members to be detected.
According to embodiments of the present invention, by controlling transporter, composite members to be detected are rotated to target location by original position；During controlling transporter to be rotated to target location composite members to be detected by original position, read distance parameter according to default time interval from laser sensor, generate distance parameter sequence, wherein, the laser sensor that distance parameter gathers for laser sensor is to the distance value on composite members surface to be detected；Obtain the ultimate range parameter value in distance parameter sequence and minimum range parameter value, and calculate ultimate range parameter value and the absolute difference of minimum range parameter value；Absolute difference is compared with the difference threshold pre-setting；When distance difference is more than or equal to difference threshold, determine the joint existing defects in composite members to be detected, solve by manually detecting to composite members joint defect, the problem of the detection efficiency difference leading to, reach the effect of efficient detection composite members joint defect.
Brief description
The accompanying drawing constituting the part of the application is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of composite members；
Fig. 2 is the structural representation of according to embodiments of the present invention one composite members joint defect detecting system；
Fig. 3 is the structural representation of according to embodiments of the present invention one preferred composite members joint defect detecting system；
Fig. 4 be according to embodiments of the present invention in the composite members joint dislocation defects schematic diagram that is related to；
Fig. 5 a be according to embodiments of the present invention in one kind of composite members joint of being related to come unglued defect schematic diagram；
Fig. 5 b be according to embodiments of the present invention in the another kind of composite members joint that is related to come unglued defect schematic diagram；
Fig. 6 be according to embodiments of the present invention in the schematic diagram of the excessive defect of overlap joint of composite members joint that is related to；
Fig. 7 be according to embodiments of the present invention in the schematic diagram of the unreal defect of overlap joint of composite members joint that is related to；
Fig. 8 is the structural representation of according to embodiments of the present invention one preferred composite members joint defect detecting system；And
Fig. 9 is the according to embodiments of the present invention two detection method schematic flow sheet for composite members joint defect detecting system.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a present invention part, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all should belong to the scope of protection of the invention.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second " etc. are for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that such data using can be exchanged, in the appropriate case so that embodiments of the invention described herein.In addition, term " comprising " and " having " and their any deformation, it is intended to cover non-exclusive comprising, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to those steps or the unit clearly listed, but may include clearly not listing or for these processes, method, product or the intrinsic other steps of equipment or unit.
Embodiment 1
According to embodiments of the present invention, there is provided a kind of system embodiment of composite members joint defect detecting system.
Fig. 2 is the structural representation of according to embodiments of the present invention one composite members joint defect detecting system.For purposes of illustration, the architecture painted is only an example of proper environment, and not the range to the application or function propose any limitation.Also the detecting system of this cloth defect should not be to have any dependence or demand to any component shown in Fig. 2 or combination.
As shown in Fig. 2 this composite members joint defect detecting system can include：Transporter 12, laser sensor 14, controller 16.
Wherein, transporter 12, for fixing and rotating composite members to be detected；Laser sensor 14, for the distance parameter of collection and composite members surface to be detected；Controller 16, is electrically connected with institute transporter 12, laser sensor 14 respectively, for control transporter by composite members to be detected by original position movement to target location；During control composite members to be detected are by original position movement to target location, read distance parameter according to default time interval from laser sensor, generate distance parameter sequence, wherein, the laser sensor that distance parameter gathers for laser sensor is to the distance value on composite members surface to be detected；Obtain the ultimate range parameter value in distance parameter sequence and minimum range parameter value, and calculate ultimate range parameter value and the absolute difference of minimum range parameter value；Absolute difference is compared with the difference threshold pre-setting；When distance difference is more than or equal to difference threshold, determine the joint existing defects in composite members to be detected.
The system of the above embodiments of the present application 1, provide a kind of composite members joint defect detecting system, this system, by the distance parameter that laser sensor is collected, obtains the surface configuration of composite members joint, by the judgement to surface configuration, to detect that the joint of composite members whether there is defect.Compared with prior art, the scheme that said system is provided is passed through to read the distance parameter sequence of laser sensor collection, by analyzing the distance parameter in distance parameter sequence, determine the defect of composite members joint, thus avoiding the error of generation when manually carrying out defects detection, and improve the work efficiency of defects detection, and then reach the purpose that high efficiency smart detects cloth defect information.
Preferably, as shown in figure 3, in the application said system embodiment, system also includes：Image collecting device 18, is electrically connected with controller 16, for gathering the edge image of one or more composite members.
Specifically, controller 16 gathers the edge image of one or more composite members by image collecting device 18, and according to one or more edge image, judges that the joint of composite members whether there is defect.By gathering continuous edge image sequence or the edge video image at the composite members edge that image collecting device gets, and edge image sequence or edge video image are analyzed, judge that the edge of composite members joint whether there is defect.
Further, controller 16 is identified to one or more edge image of image acquisition device, confirms the edge contour information of the joint of composite members to be detected.And according to edge contour information, judge that the joint of composite members whether there is defect.
In the middle of practical application, the image that controller 16 is collected by image collecting device 18, detects with the presence or absence of this defect of misalignment to composite members joint.This defect of misalignment only need to detect the part on sidewall, therefore respectively can arrange an image collecting device in the both sides of composite members, image collecting device can be industrial camera.Wherein, misalignment defect one is divided into two kinds of situations, and that is, radius off-set joint and joint be not wide.Wherein, as shown in figure 4, the standard of radius off-set joint defect is, when the length that staggers at joint edge is defect more than 1mm.As shown in figure 4, the standard of the not wide defect of joint is, when the length that staggers of any one lateral edges in joint is defect more than 1mm.For above-mentioned dislocation defects it is only necessary to judge any one lateral edges of joint stagger length be more than 1mm so that it may think this composite members joint existing defects.
Preferably, in the application said system embodiment, transporter is laminating drum, and laminating drum is used for fixing and rotate composite members to be detected.
Laminating drum is a kind of rotatable cylindrical appliance for fixing composite members.When detecting to composite members, by rotating laminating drum, composite members to be detected are rotated to target location by original position, thus the detection of a position that achieves a butt joint.
Preferably, in the application said system embodiment, said system includes：Servo-driver 121, is electrically connected with controller 16, is connected with transporter 12, for the mobile composite members to be detected of drive transmission unit from original position to target location.
Servo-driver is a kind of driving means that can be accurately determined and control speed and turned position, by servo driver drives transporter, can accurately by composite members to be detected from original position movement to target location.Improve the precision to composite members to be detected detection.Meanwhile, can be by recording servo-driver, laser sensor and image collecting device, the position of precise positioning existing defects.
Second position information by the primary importance information of servo-driver record ultimate range parameter value and record minimum range parameter value.
In the middle of practical application, can be during composite members to be detected be moved to target location from original position, record position information sequence while generating distance parameter sequence, thus obtain primary importance information and second position information.In conjunction with the velocity of rotation of servo-driver, primary importance information and second position information can also be calculated by determining the ultimate range parameter value and minimum range parameter value position in distance parameter sequence.Certainly primary importance information and second position information can also be acquired by other algorithms, and here is omitted.
Further, when distance difference is more than or equal to difference threshold, controller determines the joint existing defects in composite members to be detected.Adjusting the distance, difference is judged, and when distance difference is more than or equal to difference threshold, controller, by judging to horizontal range value, further to determine the defect of composite members joint to be detected, makes the monitoring to defect more accurate.
In the middle of practical application, the defect that composite members joint occurs, from the appearance it is three-dimensional, therefore, monitoring composite members joint whether there is defect, except by laser sensor vertical direction whether exceeded by judging distance difference difference threshold to judge whether defect in addition to, the horizontal range value that can be combined with horizontal direction judges further to defect.So, jointly the defect of composite members joint is detected in horizontal and vertical both direction, improve the accuracy of composite members joint defects detection.
Further, controller 16, according to horizontal range value and absolute difference, determines the defect type of the joint existing defects of composite members to be detected, wherein, defect type includes：Come unglued, to overlap excessive, overlap joint unreal.
Specifically, the defect of each type feature in appearance is different from, then controller 16 passes through from horizontal range value and absolute difference both direction, and the defect that composite members joint is existed judges, judges the specific type of defect.
Come unglued, come unglued be divided into inner liner come unglued and sidewall come unglued, for this defect of coming unglued, distance of no matter coming unglued is how many, as long as coming unglued, is then considered as defect.Wherein, the situation that inner liner comes unglued only all is come unglued, and two sidewall are come unglued, be divided into all come unglued and corner come unglued.As shown in figure 5 a and 5b, the schematic diagram that Fig. 5 a all comes unglued for composite members joint, Fig. 5 b is the schematic diagram that comes unglued of joint sidewall corner of composite members sidewall.For this defect of coming unglued, minimum range parameter value is laser sensor to the distance on composite members surface, and ultimate range parameter value, then because position vacancy of coming unglued leads to laser sensor to read the big numerical value of exception or reads less than numerical value, the distance of absolute difference so can be led to abnormal, and horizontal range value is 0, so, independent one or be combined with horizontal range value by absolute difference, all can determine whether that this defect is to come unglued.
Excessively, overlap joint is excessive to be divided into inner liner overlap joint excessive excessive with sidewall overlap joint to overlap joint, and the position for laser sensor detection is different, is respectively provided with different detection parameters horizontal and vertical.Fig. 6 is the excessive schematic diagram of composite members joint overlap joint.The excessive this defect for overlap joint, as shown in Figure 6, ultimate range parameter value and minimum range parameter value are all the distance to composite members surface for the laser sensor, because known during the angle of the thickness of composite members and junction corner cut, therefore directly the angle according to corner cut and absolute difference amount of lap can be calculated.So, by absolute difference independent one can determine whether this defect be come unglued.
Overlap joint is unreal, and Fig. 7 is the unreal schematic diagram of composite members joint overlap joint.As shown in fig. 7, ultimate range parameter value and minimum range parameter value are all the distance to composite members surface for the laser sensor, combined with horizontal range value by absolute difference, you can judge this defect for coming unglued.
Preferably, in the application said system embodiment, as shown in figure 8, the edge of the non-splicing side of the first sidewall and the second sidewall, 2 image collecting devices are set, for detecting the marginal position of the first sidewall and the second sidewall respectively.
Composite members to be detected are spliced to form by inner liner, the first sidewall and the second sidewall, first sidewall and the second sidewall splice the both sides in inner liner respectively, till 5 laser sensors of setting detect the both sides of the edge position of the first sidewall, the both sides of the edge of the second sidewall respectively and inner liner centre position.
In the middle of practical application, in conjunction with the section of composite members, 5 laser sensors and 2 camera monitoring points can be set above composite members.Specifically, laser sensor can use the dot laser sensor of model ZX2-LD100L.
As from the foregoing, a kind of composite members joint defect detecting system proposed by the present invention, solve in prior art by manually detecting to composite members joint defect, the problem of the detection efficiency difference leading to, thus avoiding the error of generation when manually carrying out defects detection, and improve the work efficiency of defects detection, and then reach the purpose that high efficiency smart detects cloth defect information.
Embodiment 2
The embodiment of the present invention additionally provides a kind of detection method for composite members joint defect detecting system.The method can be realized by the composite members joint defect detecting system in embodiment one, but not limited to this.
Fig. 9 be according to the present invention be embodiment two the detection method schematic flow sheet for composite members joint defect detecting system.Composite members joint defect detecting system includes at least one laser sensor, as shown in figure 9, that the method comprising the steps of is as follows：
Step S21, controls transporter to be rotated to target location composite members to be detected by original position.
Specifically, in above-mentioned steps S21, controller control transporter, the control instruction that transporter sends according to controller, by composite members to be detected at a predetermined rate by original position movement to target location.Wherein, transporter can be laminating drum.Laminating drum is a kind of rotatable cylindrical appliance for fixing composite members.When detecting to composite members, by rotating laminating drum, composite members to be detected are rotated to target location by original position, thus the detection of a position that achieves a butt joint.
Step S23, during step S21 controls transporter to be rotated to target location composite members to be detected by original position, read distance parameter according to default time interval from laser sensor, generate distance parameter sequence, wherein, the laser sensor that distance parameter gathers for laser sensor is to the distance value on composite members surface to be detected；
Specifically, control transporter in controller, by composite members to be detected by original position movement to target location during, by above-mentioned steps S23, controller is according to time interval set in advance, read, from laser sensor, the distance parameter that laser sensor collects, generate distance parameter sequence.Time interval set in advance can be configured to the precision that composite members detect as needed.Time interval is shorter, and precision is higher.
Step S25, obtains the ultimate range parameter value in distance parameter sequence and minimum range parameter value, and calculates ultimate range parameter value and the absolute difference of minimum range parameter value.
Specifically, by above-mentioned steps S25, in distance parameter sequence, obtain composite members to be detected ultimate range parameter value in ad-hoc location interval and minimum range parameter value, and calculate ultimate range parameter value and the absolute difference of minimum range parameter value.According to the absolute difference of ultimate range parameter value and minimum range parameter value, judge the shape of composite members joint to be detected.
Step S27, absolute difference is compared with the difference threshold pre-setting.
Specifically, by above-mentioned steps S27, the absolute difference of ultimate range parameter value and minimum range parameter value is compared with the difference threshold pre-setting, thus verifying that composite members joint whether there is defect.
Step S29, when distance difference is more than or equal to difference threshold, determines the joint existing defects in composite members to be detected.
Specifically, by above-mentioned steps S29, if the absolute difference of ultimate range parameter value and minimum range parameter value is more than or equal to default difference threshold, can determine that the joint existing defects in composite members to be detected.
In the middle of practical application, by above-mentioned steps, composite members joint is detected with the presence or absence of coming unglued or overlapping excessive both defects.
The method of the above embodiments of the present application 2, provide a kind of detection method for composite members joint defect detecting system, the method is by the distance parameter that laser sensor is collected, obtain the surface configuration of composite members joint, by the judgement to surface configuration, to detect that the joint of composite members whether there is defect.Compared with prior art, the scheme that said method is provided is passed through to read the distance parameter sequence of laser sensor collection, by analyzing the distance parameter in distance parameter sequence, determine the defect of composite members joint, thus avoiding the error of generation when manually carrying out defects detection, and improve the work efficiency of defects detection, and then reach the purpose that high efficiency smart detects cloth defect information.
Preferably, in the application said method embodiment, composite members joint defect detecting system also includes at least one image collecting device, step S21 control transporter by composite members to be detected by original position movement to target location during, method also includes：
Step S241, by the edge image of image acquisition device one or more composite members.
Step S243, according to one or more edge image, judges that the joint of composite members whether there is defect.
Specifically, above-mentioned steps S241 are to step S243, by gathering continuous edge image sequence or the edge video image at the composite members edge that image collecting device gets, and edge image sequence or edge video image are analyzed, judge that the edge of composite members joint whether there is defect.
Preferably, in the application said method embodiment, step S243, according to one or more edge image, judges that the joint of composite members whether there is defect, including：
Step S2431, is identified to one or more edge image of image acquisition device, confirms the edge contour information of the joint of composite members to be detected.
Step S2433, according to edge contour information, judges that the joint of composite members whether there is defect.
In the middle of practical application, by above-mentioned steps, composite members joint is detected with the presence or absence of this defect of misalignment.This defect of misalignment only need to detect the part on sidewall, therefore respectively can arrange an image collecting device in the both sides of composite members, image collecting device can be industrial camera.Wherein, misalignment defect one is divided into two kinds of situations, and that is, radius off-set joint and joint be not wide.Wherein, as shown in figure 4, the standard of radius off-set joint defect is, when the length that staggers at joint edge is defect more than 1mm.As shown in figure 4, the standard of the not wide defect of joint is, when the length that staggers of any one lateral edges in joint is defect more than 1mm.For above-mentioned dislocation defects it is only necessary to judge any one lateral edges of joint stagger length be more than 1mm so that it may think this composite members joint existing defects.
Preferably, in the application said method embodiment, step S21 controls transporter by composite members to be detected by original position movement to target location, including：
Step S211, controls the mobile composite members to be detected of servo driver drives transporter from original position to target location.
Servo-driver is a kind of driving means that can be accurately determined and control speed and turned position, by servo driver drives transporter, can accurately by composite members to be detected from original position movement to target location.Improve the precision to composite members to be detected detection.Meanwhile, can be by recording servo-driver, laser sensor and image collecting device, the position of precise positioning existing defects.
Preferably, in the application said method embodiment, after the mobile composite members to be detected of step S211 control servo driver drives transporter are from original position to target location, method also includes：
Step S213, by the primary importance information of servo-driver record ultimate range parameter value.
Step S215, by the second position information of servo-driver record minimum range parameter value.
Specifically, to step S215, primary importance information during ultimate range parameter value by servo-driver record and record the second position information occurring during minimum range parameter value in above-mentioned steps S213.
In the middle of practical application, can be during composite members to be detected be moved to target location from original position, record position information sequence while generating distance parameter sequence, thus obtain primary importance information and second position information.In conjunction with the velocity of rotation of servo-driver, primary importance information and second position information can also be calculated by determining the ultimate range parameter value and minimum range parameter value position in distance parameter sequence.Certainly primary importance information and second position information can also be acquired by other algorithms, and here is omitted.
Preferably, in the application said method embodiment, step S29, when distance difference is more than or equal to difference threshold, determines the joint existing defects in composite members to be detected, including：
Step S291, when distance difference is more than or equal to difference threshold, according to primary importance information and second position information, determines the horizontal range value between primary importance information and second position information.
Step S293, horizontal range value is compared with the level thresholds pre-setting.
Step S295, when horizontal range value is more than or equal to level thresholds, determines the joint existing defects in composite members to be detected.
Specifically, adjusting the distance, difference is judged, and when distance difference is more than or equal to difference threshold, by step S295 of step S291, horizontal range value is judged, further to determine the defect of composite members joint to be detected, to make the monitoring to defect more accurate.
In the middle of practical application, the defect that composite members joint occurs, from the appearance it is three-dimensional, therefore, monitoring composite members joint whether there is defect, except by laser sensor vertical direction whether exceeded by judging distance difference difference threshold to judge whether defect in addition to, the horizontal range value that can be combined with horizontal direction judges further to defect.So, jointly the defect of composite members joint is detected in horizontal and vertical both direction, improve the accuracy of composite members joint defects detection.
Preferably, in the application said method embodiment, in step S29 when distance difference is more than or equal to difference threshold, determine that method also includes after the joint existing defects of composite members to be detected：
Step S30, when determining the joint existing defects of composite members to be detected, according to horizontal range value and absolute difference, determines the defect type of the joint existing defects of composite members to be detected, wherein, defect type includes：Come unglued, to overlap excessive, overlap joint unreal.
Specifically, the defect of each type feature in appearance is different from, then by step S30, from horizontal range value and absolute difference both direction, the defect that composite members joint is existed judges, judges the specific type of defect.
Come unglued, come unglued be divided into inner liner come unglued and sidewall come unglued, for this defect of coming unglued, distance of no matter coming unglued is how many, as long as coming unglued, is then considered as defect.Wherein, the situation that inner liner comes unglued only all is come unglued, and two sidewall are come unglued, be divided into all come unglued and corner come unglued.As shown in figure 5 a and 5b, the schematic diagram that Fig. 5 a all comes unglued for composite members joint, Fig. 5 b is the schematic diagram that comes unglued of joint sidewall corner of composite members sidewall.For this defect of coming unglued, minimum range parameter value is laser sensor to the distance on composite members surface, and ultimate range parameter value, then because position vacancy of coming unglued leads to laser sensor to read the big numerical value of exception or reads less than numerical value, the distance of absolute difference so can be led to abnormal, and horizontal range value is 0, so, independent one or be combined with horizontal range value by absolute difference, all can determine whether that this defect is to come unglued.
Excessively, overlap joint is excessive to be divided into inner liner overlap joint excessive excessive with sidewall overlap joint to overlap joint, and the position for laser sensor detection is different, is respectively provided with different detection parameters horizontal and vertical.Fig. 6 is the excessive schematic diagram of composite members joint overlap joint.The excessive this defect for overlap joint, as shown in Figure 6, ultimate range parameter value and minimum range parameter value are all the distance to composite members surface for the laser sensor, because known during the angle of the thickness of composite members and junction corner cut, therefore directly the angle according to corner cut and absolute difference amount of lap can be calculated.So, by absolute difference independent one can determine whether this defect be come unglued.
Overlap joint is unreal, and Fig. 7 is the unreal schematic diagram of composite members joint overlap joint.As shown in fig. 7, ultimate range parameter value and minimum range parameter value are all the distance to composite members surface for the laser sensor, combined with horizontal range value by absolute difference, you can judge this defect for coming unglued.
Preferably, in the application said method embodiment, as shown in Figure 8, composite members to be detected are spliced to form by inner liner, the first sidewall and the second sidewall, first sidewall and the second sidewall splice the both sides in inner liner respectively, till 5 laser sensors of setting detect the both sides of the edge position of the first sidewall, the both sides of the edge of the second sidewall respectively and inner liner centre position.
In the middle of practical application, as shown in figure 8, combining the section of composite members, 5 laser sensors and 2 camera monitoring points can be set above composite members.Specifically, laser sensor can use the dot laser sensor of model ZX2-LD100L.
Preferably, in the application said method embodiment, as shown in figure 8, the edge of the non-splicing side of the first sidewall and the second sidewall, 2 image collecting devices are set, for detecting the marginal position of the first sidewall and the second sidewall respectively.
As from the foregoing, a kind of detection method for composite members joint defect detecting system proposed by the present invention, solve in prior art by manually detecting to composite members joint defect, the problem of the detection efficiency difference leading to, thus avoiding the error of generation when manually carrying out defects detection, and improve the work efficiency of defects detection, and then reach the purpose that high efficiency smart detects cloth defect information.
Herein it should be noted that the example realized of the corresponding step of embodiment of the method that provides of the above embodiments of the present application two and application scenarios, identical with the system embodiment that embodiment one provides, but it is not limited to above-described embodiment one disclosure of that.
It should be noted that, for aforesaid each method embodiment, in order to be briefly described, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement, because according to the present invention, some steps can be carried out using other orders or simultaneously.Secondly, those skilled in the art also should know, embodiment described in this description belongs to preferred embodiment, necessary to involved action and the module not necessarily present invention.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the part describing in detail, may refer to the associated description of other embodiment in certain embodiment.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included within the scope of the present invention.
Claims (15)
1. it is characterised in that described composite members joint defect detecting system includes at least one laser sensor, methods described includes a kind of detection method for composite members joint defect detecting system：
Transporter is controlled to be rotated to target location composite members to be detected by original position；
During controlling described transporter to be rotated to described target location described composite members to be detected by described original position, read distance parameter according to default time interval from described laser sensor, generate distance parameter sequence, wherein, described distance parameter is the distance value of the described laser sensor of described laser sensor collection to described composite members surface to be detected；
Obtain the ultimate range parameter value in described distance parameter sequence and minimum range parameter value, and calculate described ultimate range parameter value and the absolute difference of described minimum range parameter value；
Described absolute difference is compared with the difference threshold pre-setting；
When described distance difference is more than or equal to described difference threshold, determine the joint existing defects in described composite members to be detected.
2. method according to claim 1, it is characterized in that, described composite members joint defect detecting system also includes at least one image collecting device, during controlling described transporter to be rotated to described target location described composite members to be detected by described original position, methods described also includes：
Edge image by composite members described in described image harvester collection one or more；
According to described one or more edge image, judge that the joint of described composite members whether there is defect.
3. method according to claim 2 is it is characterised in that according to described one or more edge image, judge that the joint of described composite members includes with the presence or absence of the step of defect：
Described one or more edge image of described image harvester collection is identified, confirms the edge contour information of the joint of described composite members to be detected；
According to described edge contour information, judge that the joint of described composite members whether there is defect.
4. method according to claim 2 is it is characterised in that the step that composite members to be detected are rotated to target location by described control transporter by original position includes：
Control the mobile described composite members to be detected of transporter described in servo driver drives from described original position to described target location.
5. method according to claim 4 is it is characterised in that after the mobile described composite members to be detected of transporter described in control servo driver drives are from described original position to described target location, methods described also includes：
Primary importance information by ultimate range parameter value described in described servo-driver record；
Second position information by minimum range parameter value described in described servo-driver record.
6. method according to claim 5 is it is characterised in that when described distance difference is more than or equal to described difference threshold, determine that the step in the joint existing defects of described composite members to be detected includes：
When described distance difference is more than or equal to described difference threshold, according to described primary importance information and described second position information, determine the horizontal range value between described primary importance information and described second position information；
Described horizontal range value and the level thresholds pre-setting are compared；
When described horizontal range value is more than or equal to described level thresholds, determine the joint existing defects in described composite members to be detected.
7. method according to claim 6 is it is characterised in that when described distance difference is more than or equal to described difference threshold, determine that methods described also includes after the joint existing defects of described composite members to be detected：
When determining the joint existing defects of described composite members to be detected, according to described horizontal range value and described absolute difference, determine the defect type of the joint existing defects of described composite members to be detected, wherein, described defect type includes：Come unglued, to overlap excessive, overlap joint unreal.
8. method as claimed in any of claims 1 to 7, it is characterized in that, described composite members to be detected are spliced to form by inner liner, the first sidewall and the second sidewall, described first sidewall and described second sidewall are spliced respectively in the both sides of described inner liner, arrange till 5 laser sensors detect the both sides of the edge position of described first sidewall, the both sides of the edge of described second sidewall respectively and described inner liner centre position.
9. method according to claim 8, it is characterized in that, the edge of the non-splicing side of described first sidewall and described second sidewall, arranges 2 described image harvesters, for detecting the marginal position of described first sidewall and described second sidewall respectively.
10. a kind of composite members joint defect detecting system is it is characterised in that described system includes：
Transporter, for fixing and rotating composite members to be detected；
Laser sensor, for the distance parameter of collection and described composite members surface to be detected；
Controller, is electrically connected with described transporter, described laser sensor respectively, for controlling transporter to be rotated to target location composite members to be detected by original position；During controlling described composite members to be detected to be rotated to described target location by described original position, read distance parameter according to default time interval from described laser sensor, generate distance parameter sequence, wherein, described distance parameter is the distance value of the described laser sensor of described laser sensor collection to described composite members surface to be detected；Obtain the ultimate range parameter value in described distance parameter sequence and minimum range parameter value, and calculate described ultimate range parameter value and the absolute difference of described minimum range parameter value；Described absolute difference is compared with the difference threshold pre-setting；When described distance difference is more than or equal to described difference threshold, determine the joint existing defects in described composite members to be detected.
11. systems according to claim 10 are it is characterised in that described system also includes：
Image collecting device, is electrically connected with described controller, for the edge image of composite members described in collection one or more.
It is characterised in that described transporter is laminating drum, described laminating drum is used for fixing and rotate composite members to be detected 12. systems according to claim 11.
13. systems according to claim 12 are it is characterised in that described system also includes：
Servo-driver, is electrically connected with described controller, is connected with described transporter, for driving the mobile described composite members to be detected of described transporter from described original position to described target location.
14. systems according to any one in claim 10 to 13 are it is characterised in that described system includes 5 described laser sensors.
15. systems according to claim 14 are it is characterised in that described system includes 2 described image harvesters.
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