CN202693494U - Copper pipe detection system - Google Patents

Copper pipe detection system Download PDF

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Publication number
CN202693494U
CN202693494U CN 201220205333 CN201220205333U CN202693494U CN 202693494 U CN202693494 U CN 202693494U CN 201220205333 CN201220205333 CN 201220205333 CN 201220205333 U CN201220205333 U CN 201220205333U CN 202693494 U CN202693494 U CN 202693494U
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CN
China
Prior art keywords
copper pipe
filming
checked
image
detection
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.)
Withdrawn - After Issue
Application number
CN 201220205333
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Chinese (zh)
Inventor
黄舒舒
符众
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN 201220205333 priority Critical patent/CN202693494U/en
Application granted granted Critical
Publication of CN202693494U publication Critical patent/CN202693494U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model provides a copper pipe detection system. The copper pipe detection system comprises an image shooting device and a processing device, wherein the image shooting device is used for shooting a copper pipe to be detected so as to obtain surface images of the copper pipe to be detected, and the processing device is connected with the image shooting device and is used for judging whether inkjet marks exist on the surface of the copper pipe to be detected or not according to the surface images of the copper pipe to be detected shot by the image shooting device. With the adoption of the technical scheme adopted by the utility model, the inkjet marks on the surfaces of defective copper pipes are recognized by using a computer image processing technology, the detection accuracy and the work efficiency are improved, inkjet pipes, oxidized pipes and oil stained pipes are accurately distinguished without affecting the existing continuous production rhythm, the detection accuracy is high, and the misreporting and underreporting of the defective copper pipes are avoided, so that the fault rate of an air conditioner caused due to the crack/leakage of a copper pipe elbow is reduced, and the problem of lower accuracy in the detection of copper pipe inkjet marks in the prior art is solved.

Description

The copper pipe detection system
Technical field
The utility model relates to detection field, especially, relates to a kind of copper pipe detection system.
Background technology
Copper pipe generally adopts the mode of eddy current test that copper pipe has been carried out strict detection in the quality inspection process of dispatching from the factory, and carries out the ink-jet sign in the defective position of copper pipe, uses producer to carry out in use examination in order to point out copper pipe.At present, copper pipe uses producer mainly to rely on the reviewer manually the defective copper pipe to be carried out examination, and picks out defective copper pipe.
Because copper pipe is the main raw material(s) of air conditioner, its performance directly affects the quality of air conditioner, will cause great potential faults in case the defective copper pipe is assembled into air-conditioning.According to this detection mode copper pipe is detected, in the field that the needs such as air-conditioning manufacturing use a large amount of copper pipes, workload is huge, and because the ink-jet sign of copper pipe occurs at random, manual detection exists undetected risk.And manual detection can't guarantee the accuracy that detects can't guarantee to investigate out all defective copper pipes.
Carry out the lower problem of detection accuracy for the ink-jet sign to copper pipe in the prior art, not yet propose at present effective solution.
The utility model content
Fundamental purpose of the present utility model provides a kind of copper pipe detection system, carries out the lower problem of detection accuracy with the ink-jet sign that solves copper pipe in the prior art.
To achieve these goals, according to an aspect of the present utility model, provide a kind of copper pipe detection system.This copper pipe detection system comprises: image capturing device is used for taking copper pipe to be checked to obtain the surface image of copper pipe to be checked; Treating apparatus is connected with image capturing device, is used for judging according to the copper pipe surface image to be checked that image capturing device photographs whether the surface of copper pipe to be checked exists the ink-jet sign.
Further, image capturing device comprises the first filming apparatus and the second filming apparatus, and wherein, the first filming apparatus and the second filming apparatus are oppositely arranged.
Further, the first filming apparatus and the second filming apparatus interval on the vertical direction of taking direction arranges, and above-mentioned copper pipe detection system also comprises: the first background board is oppositely arranged with the first filming apparatus; The second background board is oppositely arranged with the second filming apparatus.
Further, the distance between the shooting focus of the first filming apparatus and the second filming apparatus equals the distance between the central point of the first background board and the second background board, and the shooting focus of the first filming apparatus is with respect to the central point of the first background board.
Further, the copper pipe detection system that the utility model provides also comprises: area source, adjacent setting with image capturing device is used for shining copper pipe to be checked.
Further, above-mentioned treating apparatus comprises: image identification unit, for the abnormal area of identifying copper pipe surface image to be checked; Storage unit is used for the image that the storage ink-jet identifies; The image comparison unit is connected with storage unit with image identification unit, and the image of image and storage unit ink-jet sign that is used for the abnormal area of image identification unit identification compares to judge whether copper pipe surface to be checked exists ink-jet to identify.
Further, image identification unit comprises: image processing module is used for according to default gray scale and brightness value the surface image of copper pipe to be checked being processed; The image segmentation module is connected with image processing module, is used for extracting the image and the inconsistent abnormal area of the surface image of qualified copper pipe of copper pipe surface to be checked; Storage unit also comprises the parts of the image of storing qualified copper pipe surface.
Further, the copper pipe detection system that the utility model provides also comprises the copper pipe conveyer, is arranged between the first filming apparatus and the second filming apparatus, and the copper pipe conveyer is used for transmitting copper pipe to be checked to predetermined camera site.
Further, the copper pipe detection system that the utility model provides also comprises control device, is connected with treating apparatus with the copper pipe conveyer respectively, and control device is used for controlling the copper pipe conveyer when there is the ink-jet sign in copper pipe surface to be checked stops to transmit.
Further, the copper pipe detection system that the utility model provides also comprises warning device, is connected with treating apparatus, and warning device is used for sending alerting signal when there is the ink-jet sign in copper pipe surface to be checked.
According to the technical solution of the utility model, the copper pipe detection system comprises: image capturing device is used for taking copper pipe to be checked to obtain the surface image of copper pipe to be checked; Treating apparatus is connected with image capturing device, is used for judging according to the copper pipe surface image to be checked that image capturing device photographs whether the surface of copper pipe to be checked exists the ink-jet sign.Thereby utilize computer image processing technology that the ink-jet of defective copper pipe surface is identified, the accuracy and the work efficiency that detect have been improved, in the situation that does not affect existing quantity-produced rhythm, distinguish exactly ink-jet pipe, oxidation tube, greasy dirt pipe, the detection degree of accuracy is high, stop the wrong report of defective copper pipe and fail to report, leak the failure rate that causes thereby reduced air conditioner because the copper pipe elbow splits, solved in the prior art ink-jet sign of copper pipe and carried out the lower problem of detection accuracy.
Description of drawings
Figure of description is used to provide further understanding of the present utility model, consists of the application's a part, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the synoptic diagram according to the copper pipe detection system of the utility model embodiment one;
Fig. 2 is the synoptic diagram according to the treating apparatus of the copper pipe detection system of the utility model embodiment one;
Fig. 3 is the synoptic diagram according to the copper pipe detection system of the utility model embodiment two; And
Fig. 4 is the synoptic diagram according to the copper pipe detection system of the utility model embodiment three.
Embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Fig. 1 is the synoptic diagram according to the copper pipe detection system of the utility model embodiment one, and as shown in Figure 1, the copper pipe detection system of embodiment one comprises: image capturing device 11 is used for taking copper pipe 10 to be checked to obtain the surface image of copper pipe 10 to be checked; Treating apparatus 13, be connected with image capturing device 11, be used for judging according to copper pipe to be checked 10 surface images that image capturing device 11 photographs whether the surface of copper pipe 10 to be checked exists the ink-jet sign, wherein, the alignment lens of image capturing device 11 copper pipe 10 to be measured, the focal point settings of camera lens are the distance of image capturing device 11 values copper pipe 10 to be measured.
Have the ink-jet sign for the quality that improves the image that image capturing device 11 takes is enough to make treating apparatus 13 to judge accordingly copper pipe to be checked 10 surfaces, shooting pixel and the sharpness of image capturing device 11 must reach certain requirement.Preferably, the image capturing device 11 among the embodiment one can use industrial camera.
Treating apparatus 11 is core control part and processing element of copper pipe detection system, Fig. 2 is the synoptic diagram according to the treating apparatus of the copper pipe detection system of the utility model embodiment one, as shown in Figure 2, the treating apparatus 13 of the copper pipe detection system of the utility model embodiment one mainly comprises: image identification unit 21, for the abnormal area of identifying copper pipe 10 surface images to be checked; Storage unit 23 stores the image that ink-jet identifies; Image comparison unit 25, be connected with storage unit 23 with image identification unit 21, the image of image and storage unit ink-jet sign that is used for the abnormal area of image identification unit 21 identifications compares to judge whether copper pipe to be checked 10 surfaces exist ink-jet to identify.
Wherein, for improving the recognition capability of image identification unit 21, image identification unit 21 can comprise: image processing module is used for according to default gray scale and brightness value the surface image of copper pipe 10 to be checked being processed; The image segmentation module is connected with image processing module, is used for extracting the image and the inconsistent abnormal area of the image of qualified copper pipe surface of copper pipe surface to be checked; In this case, storage unit 23 also comprises the parts of the image that stores qualified copper pipe surface.
Copper pipe to be checked 10 surface images that treating apparatus 13 photographs according to image capturing device 11 judge whether the surface of copper pipe 10 to be checked exists the concrete steps of ink-jet sign to be:
At first, obtain the surface image of the copper pipe to be measured 10 of image capturing device 11 shootings by image pick-up card, image processing module in the image identification unit 21, obtain user gray-scale value and the brightness value default according to copper pipe model to be measured, then to according to default gray scale and brightness value the surface image of copper pipe 10 to be checked being carried out the image pre-service, image segmentation module in the image identification unit 21 compares the image of the qualified copper pipe surface of preservation in pretreated image and the storage unit 23, extract both aberration, gray scale differs larger zone, because copper pipe surface may be because of oxidation, greasy dirt, slight impression and the less abnormal area image of area occurs.So the size that generally also needs above-mentioned aberration, gray scale to be differed larger zone judges, when this region area size during greater than certain preset area preset value, judge that just this determinating area is the abnormal area in copper pipe 10 surface images to be checked.If when not having abnormal area in the surface image, can judge that this copper pipe to be checked identifies without ink-jet, up-to-standard.
Then, image comparison unit 25, the image of ink-jet sign compared during the image of the abnormal area in copper pipe 10 surface images to be checked and storage unit 23 preserved, the aberration of both images is less, can think that then there is the ink-jet sign in the surface of copper pipe 10 to be checked, there is hidden danger of quality in this copper pipe to be checked.If both image difference are larger, can think that the image of abnormal area is because putty, impression etc. cause, copper pipe to be checked 10 is qualified.
Generally speaking, gray-scale value is lower after the copper pipe imaging of ink-jet; And the abnormal image that little impression causes just can filtering by the pretreated step of image.And image capturing device 11 can process many copper pipes to be checked side by side simultaneously simultaneously, thereby improves detection efficiency.
The utility model embodiment one can judge the ink-jet sign whether copper pipe 10 to be checked exists standard accurately by copper pipe 10 surface images to be checked are judged.But might go out an ink-jet sign for the copper pipe of some producer when the sign defective and not uniformly spray one week of copper pipe to be checked, the area of ink-jet is unstable, the image capturing device 11 of embodiment 1 is owing to only taken the surface image of copper pipe one side to be checked, might occur undetected, and the reflective quality that also can affect photographic images of the color and luster of copper pipe surface.Based on above problem, the copper pipe pick-up unit of embodiment two of the present utility model is optimized on the basis of embodiment one.
Fig. 3 is the synoptic diagram according to the copper pipe detection system of the utility model embodiment two, as shown in Figure 3, the image capturing device 11 of the copper pipe detection system of the utility model embodiment two is two, be respectively the first filming apparatus 111, the second filming apparatus 112, this first filming apparatus 111 and the second filming apparatus 112 are oppositely arranged, be respectively applied to take from the opposite side of copper pipe 10 to be checked, take respectively a side of copper pipe 10 to be checked, such as, the first filming apparatus 111 is installed in the top of copper pipe 10 to be checked, be used for taking copper pipe 10 to be checked surface up, the second filming apparatus 112 is installed in the below of copper pipe 10 to be checked, two filming apparatus 111,112 are connected with treating apparatus 13 respectively, treating apparatus 13 obtains two filming apparatus 111 simultaneously, 112 from different perspectives shootings obtain the image of copper pipe to be checked, and further identify.The visual angle of such two filming apparatus just can cover the all-round of copper pipe 10 to be checked substantially.The surface image of avoiding occurring according to copper pipe one side to be checked detects the undetected problem of bringing.
Preferably, the utility model embodiment two also is provided with two specific side light sources 35,37, and adjacent setting with image capturing device can be sent red photographic light sources.The purpose that red area source is set is, the inventor finds in realizing process of the present utility model, the color and luster that other colour light source irradiation copper pipe surface occur and the color of ink-jet sign are not easily distinguishable, the better effects if of using the higher red light source of illumination to take, and adopt area source strip source stability than usual to get well, can avoid smooth reflective because of copper pipe surface, solve the problem that shooting effect is affected by light.
Preferably, the utility model embodiment two also is provided with the first background board 31 and the second background board 32, and being used for provides shooting background, has eliminated image processing process and has been subject to the problem that shooting background affects.Wherein, the first background board 31 is oppositely arranged with the first filming apparatus 111, and the background that provides the first filming apparatus 111 to take copper pipe 10 to be checked is provided; The second background board 32 is oppositely arranged with the second filming apparatus 112, and the background that provides the second filming apparatus 112 to take copper pipe 10 to be checked is provided.For fear of the shooting that background board blocks adjacent camera lens, the first filming apparatus 111 and the second filming apparatus 112 interval one end distance on the vertical direction of taking direction arranges.
In addition in order to guarantee, the first background board 31 and the second background board 31 are over against the first filming apparatus 111 and the second filming apparatus 112, distance between the shooting focus of the first filming apparatus 111 and the second filming apparatus 112 equals the distance between the central point of the first background board 31 and the second background board 32, and the shooting focus of the first filming apparatus 111 is with respect to the central point of the first background board 31.The size of above-mentioned two background boards can be according to the coverage that just in time covers filming apparatus, and does not affect the shooting of the filming apparatus that is positioned at copper pipe 10 homonymies to be checked and the irradiation of light source.
Embodiment of the present utility model can use two filming apparatus to carry out the shooting of image, also can use plural filming apparatus to carry out the shooting of image, a plurality of filming apparatus distribute along the xsect even angle of copper pipe to be measured, take the image of the copper pipe to be checked of more perspective, but common occasion use two filming apparatus take respectively a semi-circumference namely the image of the sides of 180 degree just can satisfy the needs that the identification ink-jet identifies.
In the copper pipe detection system of embodiment two, the treating apparatus 13 comprehensive surface images of judging the different angles copper pipe to be checked that two filming apparatus are taken, further improved the detection effect of ink-jet sign, in addition by the optimization to shooting environmental, improved the quality of the image that photographic images takes, stopped the false retrieval of defective copper pipe ink-jet sign and undetected.
In order to improve the detection efficiency of copper pipe detection system, improve automatization level, the utility model is at the basic enterprising one-step optimization of above embodiment two, the 3rd embodiment of the present utility model is provided, Fig. 4 is the synoptic diagram according to the copper pipe detection system of the utility model embodiment three, as shown in Figure 4, on the basis of embodiment two, the copper pipe detection system of the utility model embodiment three has increased copper pipe conveyer 45, is used for automatically copper pipe 10 to be checked being sent to the camera site between the first filming apparatus 111 and the second filming apparatus 112.
In addition, the 3rd embodiment of the present utility model also is provided with control device 41, are connected with treating apparatus with copper pipe conveyer 45 respectively and are connected, be used for control copper pipe conveyer 45 and begin to transmit and stop to transmit, and the information whether copper pipe arrives the camera site is sent to treating apparatus 13.When judging that there is the ink-jet sign in copper pipe to be checked 10 surfaces, treating apparatus 13 stops to transmit by control device 41 control copper pipe conveyers.
Preferably, the copper pipe detection system of embodiment three can also arrange warning device 43, and this warning device 43 is connected with treating apparatus 13, is used for sending alerting signal when treating apparatus 13 judges that there is the ink-jet sign in copper pipe surface to be checked.This warning device 43 can audible alarm unit or light warning device, is used for reminding user.
For improving detection efficiency, above-mentioned copper pipe conveyer 45 can transmit many copper pipes 10 to be checked simultaneously to predetermined camera site; Image capturing device 11 is taken the surface image of many copper pipes 10 to be checked, and the surface image of more than 13 pairs copper pipe 10 to be checked for the treatment of apparatus is processed.
The below is elaborated to the workflow of the copper pipe detection system of embodiment three:
The load module that the user utilizes treating apparatus 13 is set correlation parameter according to the kind of copper pipe to be checked, such as the minimum widith of gray-scale value, abnormal area, size etc.
Control device 41 control copper pipe conveyer 45 is sent to the camera site with copper pipe to be checked, and after copper pipe arrived assigned address, control device 41 sent the copper pipe ready signal to treating apparatus 13.,
Treating apparatus 13 sends shooting trigger signals according to this signal to the first filming apparatus 111 and the second filming apparatus 112, the first filming apparatus 111 and the second filming apparatus 112 are taken respectively the upper surface of copper pipe to be checked and the image of lower surface, and above-mentioned two images are sent to treating apparatus 13 by image pick-up card.
After disposal system 13 is carried out pre-service according to the correlation parameter of above-mentioned setting to the image of two cameras, carry out ink-jet and be coated with comparative analysis, area that stain and copper pipe surface form aberration and calculate to identify copper pipe to be checked 10 surfaces and whether have the ink-jet sign.
If there is the ink-jet sign in copper pipe to be checked 10 surfaces, disposal system 13 sends stop signal to control device 41, and control device stops to transmit, and warning device 43 sends alerting signal simultaneously, reminds the testing staff to note.Personnel to be detected artificial or by mechanical arm the defective copper pipe is detected after, continue the detection of next group copper pipe.
If there is not the ink-jet sign in copper pipe to be checked 10 surfaces, disposal system 13 sends to control device 41 and continues signal, carries out the detection of next group copper pipe.
According to the technical solution of the utility model, the copper pipe detection system comprises: image capturing device is used for taking copper pipe to be checked to obtain the surface image of copper pipe to be checked; Treating apparatus is connected with image capturing device, is used for judging according to the copper pipe surface image to be checked that image capturing device photographs whether the surface of copper pipe to be checked exists the ink-jet sign.Thereby utilize computer image processing technology that the ink-jet of defective copper pipe surface is identified, the accuracy and the work efficiency that detect have been improved, in the situation that does not affect existing quantity-produced rhythm, distinguish exactly ink-jet pipe, oxidation tube, greasy dirt pipe, the detection degree of accuracy is high, stop the wrong report of defective copper pipe and fail to report, leak the failure rate that causes thereby reduced air conditioner because the copper pipe elbow splits, solved in the prior art ink-jet sign of copper pipe and carried out the lower problem of detection accuracy.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (8)

1. a copper pipe detection system is characterized in that, comprising:
Image capturing device is used for taking copper pipe to be checked to obtain the surface image of described copper pipe to be checked;
Treating apparatus is connected with described image capturing device, is used for judging according to the copper pipe surface image to be checked that described image capturing device photographs whether the surface of described copper pipe to be checked exists the ink-jet sign.
2. copper pipe detection system according to claim 1 is characterized in that, described image capturing device comprises the first filming apparatus and the second filming apparatus, and wherein, described the first filming apparatus and described the second filming apparatus are oppositely arranged.
3. copper pipe detection system according to claim 2 is characterized in that, described the first filming apparatus and described the second filming apparatus interval on the vertical direction of taking direction arranges, and described copper pipe detection system also comprises:
The first background board is oppositely arranged with described the first filming apparatus;
The second background board is oppositely arranged with described the second filming apparatus.
4. copper pipe detection system according to claim 3, it is characterized in that, distance between the shooting focus of described the first filming apparatus and described the second filming apparatus equals the distance between the central point of described the first background board and described the second background board, and the shooting focus of described the first filming apparatus is with respect to the central point of described the first background board.
5. copper pipe detection system according to claim 1 is characterized in that, also comprises:
Area source, adjacent setting with described image capturing device is used for shining described copper pipe to be checked.
6. each described copper pipe detection system in 5 according to claim 2, it is characterized in that, also comprise the copper pipe conveyer, be arranged between described the first filming apparatus and the second filming apparatus that described copper pipe conveyer is used for transmitting described copper pipe to be checked to predetermined camera site.
7. copper pipe detection system according to claim 6, it is characterized in that, also comprise control device, respectively with described copper pipe conveyer be connected treating apparatus and be connected, described control device is used for controlling described copper pipe conveyer when there is the ink-jet sign in described copper pipe surface to be checked and stops transmission.
8. copper pipe detection system according to claim 6 is characterized in that, also comprises warning device, is connected with described treating apparatus, and described warning device is used for sending alerting signal when there is the ink-jet sign in described copper pipe surface to be checked.
CN 201220205333 2012-05-08 2012-05-08 Copper pipe detection system Withdrawn - After Issue CN202693494U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220205333 CN202693494U (en) 2012-05-08 2012-05-08 Copper pipe detection system

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Application Number Priority Date Filing Date Title
CN 201220205333 CN202693494U (en) 2012-05-08 2012-05-08 Copper pipe detection system

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CN202693494U true CN202693494U (en) 2013-01-23

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CN 201220205333 Withdrawn - After Issue CN202693494U (en) 2012-05-08 2012-05-08 Copper pipe detection system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103389312B (en) * 2012-05-08 2015-10-14 珠海格力电器股份有限公司 Detection system for copper tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103389312B (en) * 2012-05-08 2015-10-14 珠海格力电器股份有限公司 Detection system for copper tube

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C25 Abandonment of patent right or utility model to avoid double patenting
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Granted publication date: 20130123

Effective date of abandoning: 20151014