The utility model content
In view of the above, the utility model is necessary to provide a kind of monitor station that reduces the carrying platform size, reduces cost.
A kind of monitor station, for detection of object to be measured, comprise carrying platform, at least one support, described each support is provided with the first optical detector and/or the second optical detector, described carrying platform is in order to be placed on the object to be measured of first direction motion, described is erected on the carrying platform, one or both sides at least one support are provided with described the first optical detector, one or both sides at least one support are provided with described the second optical detector, described the first optical detector and the second optical detector move along second direction when detecting object to be measured, described first direction and second direction form predetermined angular, and described the first optical detector and/or the second optical detector detect the object under test segmentation.
Wherein, described the first optical detector is low-power microscope, and to detect the defective locations of object to be measured, described the second optical detection is high-power microscope in order to rapid scanning object to be measured, so that described defective locations high power is shown.
Wherein, the quantity of described the first optical detector or the second optical detector is at least two, described the first optical detector or the second optical detector are divided into some sections with object under test, and described object under test is that the first optical detector or the second optical detector segmentation are measured simultaneously.
Wherein, the first optical detector or the second optical detector are arranged in two rows, and described the first optical detector or the second optical detector are divided into first paragraph and second segment with monitor station.
Wherein, described first paragraph, second segment, described two ranked first between the optical detector or described two ranked second half that the distance on first direction between the optical detector is object length to be measured.
Wherein, the length of described object to be measured is L, the length L 1 of first paragraph at L/2 between the L, second segment length L 2 at L/2 between the L, described two ranked first between the optical detector or described two ranked second between the optical detector distance B on first direction less than L.
Wherein, the length of described object to be measured is L, and the length of described first paragraph is L, and the length of described second segment is L/2, and described two ranked first between the optical detector or described two ranked second that the distance on first direction is L/2 between the optical detector.
A kind of monitor station, for detection of object to be measured, comprise carrying platform, support, the first optical detector, and second optical detector, described carrying platform is in order to be placed on the object to be measured of first direction motion, described the first optical detector and/or the second optical detector are listed as into respectively two rows and are located on the described support, described two ranked first optical detector and/or the second optical detector is divided into first paragraph with carrying platform, second segment and the 3rd section, described the first optical detector and the second optical detector move along second direction when detecting object to be measured, described first direction and second direction form predetermined angular, and the length of described first paragraph is L1, the length of second segment is D, the 3rd section length is L2, the length of described determinand is L, so that described L<=L1+L2<2L, 0<D<L.
Compared to prior art, the utility model monitor station is by arranging the first optical detector in the support both sides, and in both sides or a side of support the second optical detector is set, can be so that when detecting, when object to be measured is placed on initial position and is positioned at a section of carrying platform, it is concordant with the first optical detector or second optical detector of another section that one section can extend through support, thereby can avoid only having a side to be provided with the first optical detector or the second optical detector and align with this first optical detector or the second optical detector and the larger position length that needs, then the first optical detector or second optical detector of the both sides by support come preliminary investigation or check, so can reduce the size of carrying platform, thereby reduce the cost of equipment; And in the initial survey process, the first optical detector by both sides scans simultaneously to two sections difference of object to be measured, can save sweep time, improves detection efficiency.
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, below in conjunction with embodiment and cooperate that accompanying drawing is detailed to give explanation.
See also Fig. 1, monitor station 20 shown in the utility model the first preferred embodiment comprises carrying platform 21, support 22, the first optical detector 23 and the second optical detector 24.Described carrying platform 21 is in order to carry object 25 to be measured.On the carrying platform 21 the conveyer (not shown) can be set, move upward in first party to drive object to be measured 25, such as the horizontal direction along Fig. 1.Also can not establish travelling belt on the carrying platform 21, slide in a direction at carrying platform 21 by foreign object push-and-pull object 25 to be measured.
Described support 22 is U-shaped door in the utility model preferred embodiment, support 22 is located on the carrying platform 21, carrying platform 21 is divided into first paragraph 211 and second segment 212, and support 22 formation passage (not shown) can be passed from first paragraph 211 for object 25 to be measured and be moved to second segment 212.Described the first optical detector 23 and the distance of the second optical detector 24 on first direction are D, and the length of first paragraph 211 is L1, and the length of second segment 212 is L2.Described support 22 also can be gantry structure.
Described the first optical detector 23 and described the second optical detector 24 are separately positioned on both sides or a side of support 22, and described the first optical detector 23 and the second optical detector 24 move along second direction when detecting object to be measured, such as the vertical among Fig. 1.In the process that detects, described object to be measured 25 moves along first direction, described the first optical detector 23 moves along second direction, thereby makes the whole side for the treatment of of the first optical detector 23 scannings object 25 to be measured, thereby has realized the Preliminary detection to object 25 to be measured.In the process that detects, described object to be measured 25 moves along first direction, described the second optical detector 24 moves along second direction, thus make the second optical detector 24 scannings object 25 to be measured through Preliminary detection those suspected defects position, thereby realized reinspection to object 25 to be measured.In preferred embodiment of the present utility model, described the first optical detector 23 is low-power microscope, in order to rapid scanning object to be measured to detect object to be measured defective locations roughly.Described the second optical detector 24 is high-power microscope, in order to described defective locations high power is shown, in order to defective is further confirmed.
In this first preferred embodiment, one section both sides of this support 22 are respectively arranged with described the first optical detector 23, and the both sides of these support 22 another sections are respectively arranged with described the second optical detector 24.Preferably, the length of object 25 to be measured be L, the length L 1 of first paragraph 211 is L/2, the length L 2 of second segment 212 is L/2, described the first optical detector 23 and the distance B of the second optical detector 24 on first direction are L/2.So, the overall length of carrying platform is 3L/2, less than length 2L+D.
When using the described object 25 to be measured of detection of described monitor station 20, object 25 to be measured is inserted the first paragraph 211 of carrying platform 21, the latter end of object 25 to be measured is concordant with first paragraph 211 outsides, and leading portion penetrates the passage of support 22, and aligns with the first optical detector 23 that is arranged on second segment 212.
Then make object 25 to be measured towards second segment 212 motions, the first optical detector 23 of the both sides of while opening support 22, object 25 to be measured moves at first direction, the first optical detector 23 is in the second direction motion of vertical first direction, move at first direction with object 25 to be measured, when the outside that object 25 leading portions to be measured move to second segment 212 is concordant, the latter end of object 25 to be measured just enters in the passage of support 22, so, the first optical detector 23 of the both sides of support 22 is finished half sector scanning of object 25 to be measured respectively, so realizes the initial survey to object to be measured 25 whole surfaces.In the initial survey process, the leading portion of object 25 to be measured is in by the first optical detector 23 scannings of second segment 212, and the back segment of 23 pairs of objects 25 to be measured of the first optical detector of first paragraph 211 scans, and has saved the sweep time of initial survey.
Then make object 25 to be measured towards first paragraph 211 motions, withdraw from simultaneously the second optical detector 24 of the both sides of the first optical detector 23 opening supports 22, object 25 to be measured moves at first direction, the second optical detector 24 is in the second direction motion of vertical first direction, move at first direction with object 25 to be measured, when object 25 end movements to be measured are concordant to the outside of first paragraph 211, the leading portion of object 25 to be measured just enters in the passage of support 22, so, light second optical detector 24 of the both sides of support 22 is finished half sector scanning of object 25 to be measured respectively, so realizes the reinspection to object to be measured 25 whole surfaces.
The utility model can adopt object 25 minimum Mobile Methods to be measured, minimum the second optical detector 24 Mobile Methods, and perhaps the minimum method of object 25 to be measured and two optical detectors, 24 displacement summations detects, thus the optimum detection path.
In conjunction with consulting Fig. 2, the reinspection synoptic diagram of the utility model preferred embodiment, the order that direction of arrow representative is rechecked.Know the particular location of whole object to be measured 25 surface imperfection points behind the initial survey, the second optical detector 24 of the both sides by support 22 is scanning focused crawl defect point respectively, for convenience of explanation, the second optical detector 24 of the both sides of support 22 is defined as respectively left side microscope, right side microscope, respectively gets five impacts of rechecking point as example take the second optical detector 24 of both sides.
After obtaining the those suspected defects positional information by Preliminary detection, each defect coordinate position is (Xi, Yi), and wherein, i is the order of tested point, and a kind of reinspection flow process of the utility model preferred embodiment is as follows:
Obtain by Computer Analysis support 22 both sides the second optical detector 24 namely left side microscope and right side microscope need the path optimizing of the best corresponding to the second optical detector 24 of the defect point of respectively scanning and both sides, its account form can be the minimum method of first direction displacement, the minimum method of second direction displacement or first direction and second direction displacement sum minimum method.For example among Fig. 2, right side the second optical detector 24 needs crawl the 1st, 2,3,4,5 image of totally five defect points, and left side the second optical detector 24 needs the image of 6,7,8,9,10 5 defect points of crawl;
Right side the second optical detector 24 moves on to ordinate Y1 position, the 1st defect point place, the Y6 position that left side the second optical detector 24 moves the 6th defect point from reference position;
Move object under test 25 along horizontal direction, make its 1st defect point move to right side the second optical instrument 24;
Right side the second optical detector 24 focuses on, and finely tunes and grasp the image of the 1st defect point;
Mobile object under test 25 to the 6th defect points move to left side the second optical detector 24, and fine setting left side the second optical detector 24 also grasps the image of the 6th defect point, and right side the second optical detector 24 moves to the ordinate position Y2 at the 2nd defect point place simultaneously;
Similarly, a defect point is rechecked respectively on both sides, in the defect point process that detects the left side, second optical detection 24 on right side moves to the position of the corresponding ordinate of next defect point, in the defect point process that detects the right side, second optical detection 24 in left side moves to the position of the corresponding ordinate of next defect point, so can greatly reduce the time of detection.
Further, if adopt the automatic tracking focusing microscope, then described trim step can be omitted.
See also Fig. 3, monitor station 30 shown in the utility model the second preferred embodiment, its structure and the first preferred embodiment are roughly the same, its difference is: the length of described object 25 to be measured is L, the length L 1 of first paragraph 211 at L/2 between the L, the length L 2 of second segment 212 at L/2 between the L, when L1≤L2, the optical detector of described support both sides in the distance B on the first direction between L L1 and L, as L1〉during L2, the optical detector of described support both sides in the distance B on the first direction between L-L2 and L.So, the overall length of carrying platform 21 is L1+L2+D, less than length 2L+D.
The process of the described object 25 to be measured of detection of using the monitor station 30 described in this second preferred embodiment is identical with the process of described the first preferred embodiment, is not described in detail in this.Can find out D+L1 〉=L; D+L2 〉=L, L1+L2 〉=2L 2D; Board total length L 1+L2+D 〉=2L-D; When L1L2L D L/2, land lengths is the shortest.
From first, the second preferred embodiment can be found out, by in support 22 both sides the first optical detector 23 being set, and the second optical detector 24 is set in the both sides of support 22, can be so that when detecting, when object 25 to be measured is placed on a section of carrying platform 21 initial bit set, it is concordant with the first optical detector 23 or optics second optical detector 24 of another section that a section of object 25 to be measured can extend through support, thereby can relatively only be provided with the first optical detector in support one side, the length that carrying platform 21 that opposite side arranges the second optical detector has been saved, then the first optical detector 23 or second optical detector 24 of the both sides by support come preliminary investigation or check, so reduce the size of carrying platform 21, thereby reduce the cost of equipment; And need not to save time to idle through the time of support lower channel length D, improved detection efficiency.
See also Fig. 4, monitor station 40 shown in the utility model the 3rd preferred embodiment, its structure and the first preferred embodiment are roughly the same, and its difference is: this support 22 an only side is respectively arranged with described the second optical detector 24, and is positioned at the first paragraph 211 of carrying platform 21.The length of object 25 to be measured be L, so, can be scanned fully by the second optical detector 24 in order to ensure rechecking, then the length of first paragraph 211 is required to be L, described the first optical detector 23 and the second optical detector 24 on first direction distance B and length L 2 sums of second segment 212 be L, thereby the overall length of whole carrying platform 21 is 2L, less than length 2L+D.Preferably, among this 3rd embodiment, described the first optical detector 23 and the second optical detector 24 on first direction distance B and the length of second segment 212 be L/2.
The process of the described object 25 to be measured of detection of using the monitor station 30 described in this second preferred embodiment is identical with the process of described the first preferred embodiment, is not described in detail in this.What be necessary to illustrate is: in initial survey, the leading portion of described object 25 to be measured can be concordant with the first optical detector 23 of first paragraph 211, and it is concordant with the first optical detector 23 of second segment 212 also can to extend through support.Right the utility model is by all arranging the first optical detector 23 in support 22 both sides, so can reduce initial survey sweep time, so, it is concordant with the first optical detector 23 of second segment 212 leading portion of described object 25 to be measured need to be extended through support, thereby, in by the first optical detector 23 scannings of second segment 212, the back segment of 23 pairs of objects 25 to be measured of the first optical detector of first paragraph 211 scans, and has saved the sweep time of initial survey at the leading portion of object 25 to be measured.In reinspection, the leading portion of object 25 to be measured and latter end all need by being arranged on described the second optical detector 24 scannings of support 22 first paragraphs 211.
To sum up, the utility model monitor station is by arranging the first optical detector in the support both sides, and in both sides or a side of support the second optical detector is set, can be so that when detecting, when object to be measured is held in place a section of carrying platform initial position, it is concordant with the first optical detector or optics second optical detector of support opposite side that a section of object to be measured can extend through support, thereby can avoid only having a side to be provided with the first optical detector or the second optical detector and align with this first optical detector or the second optical detector and the larger position length that needs, then the first optical detector or second optical detector of the both sides by support come preliminary investigation or check, so can reduce the size of carrying platform, thereby reduce the cost of equipment; And in testing process, the first optical detector by both sides can be saved sweep time to two sections simultaneously respectively scannings of object to be measured, improves detection efficiency.Described support also can be a plurality of supports and arranges the holistic support of formation formation, and the first optical detector and the second optical detector are arranged on the both sides of this integral support.
In addition, monitor station of the present utility model can also arrange the support of two, three and other quantity, the first optical detector and the second optical detector are installed on each support, by improving the quantity of support, can adopt similar said method that the determinand segmentation is detected respectively simultaneously, further improve detection speed.
Above-described embodiment is the better embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.