CN102495071B - AOI (Automated Optic Inspection) system and inspection method thereof - Google Patents
AOI (Automated Optic Inspection) system and inspection method thereof Download PDFInfo
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- CN102495071B CN102495071B CN201110426674.4A CN201110426674A CN102495071B CN 102495071 B CN102495071 B CN 102495071B CN 201110426674 A CN201110426674 A CN 201110426674A CN 102495071 B CN102495071 B CN 102495071B
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Abstract
The invention discloses an AOI (Automated Optic Inspection) system for inspecting a PCB (Printed Circuit Board). The AOI system comprises a scanning device and a workbench corresponding to the scanning device, and further comprises a detachable support platform, wherein the support platform is connected with the workbench, and the support platform and the workbench are located at the same height. According to the AOI system and the inspection method thereof provided by the invention, the problem that a large-size PCB cannot be supported by a table board is solved by additionally installing the detachable support platform, and the large-size PCB board is completely scanned by regional scanning. Therefore, increase of investment for purchasing a large-table-board AOI machine for detecting certain large-size circuit board is avoided, and cost is saved.
Description
Technical field
The present invention relates to field, circuit board making field, relate in particular to a kind of AOI detection system and detection method thereof of printed circuit board (PCB).
Background technology
AOI(Automatic Optic Inspection) full name be that automated optical detects, be based on optical principle come butt welding deliver a child produce in the equipment that detects of the common deficiency that runs into.AOI is a kind of novel test technology of just rising in recent years, but development rapidly, and at present a lot of producers have all released AOI testing apparatus.When automatic detection, machine, by camera autoscan PCB, gathers image, qualified parameter in solder joint and the database of test compares, and through image processing, checks out the upper defect of PCB, and by display or Automatic Logos Flaw display/mark, for maintenance personal's finishing.
Existing AOI checkout equipment, its AOI sensing range is limited, for example: it is 610mm*660mm that precious discovery 8200 type AOI machines difficult to understand can detect full-size; And along with the development of large scale PCB technology, the size of existing large scale pcb board, far beyond the test range of AOI testing apparatus at present, makes existing AOI testing apparatus cannot meet its demand.If the AOI checkout equipment more renewing, such as: have the AOI checkout equipment of larger sensing range, its cost increases much undoubtedly.And existing AOI checkout equipment cannot meet the detection demand of large scale pcb board.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of AOI detection system and detection method thereof, be intended to solve the required increase of the certain large scale circuit plate of detection and buy large table top AOI machine, the problem that causes cost to increase.
Technical scheme of the present invention is as follows:
A kind of AOI detection system, for pcb board is detected, described AOI detection system comprises: the worktable of scanister, setting corresponding to scanister, wherein, described AOI detection system also comprises: a dismountable support platform, described support platform connecting working table, and be in sustained height with described worktable.
Described AOI detection system, wherein, the planar dimension of described support platform is 610mm*660mm.
Described AOI detection system, wherein, described support platform is fixed on worktable by securing member.
Described AOI detection system, wherein, described securing member is bolt.
A detection method for described AOI detection system, wherein, described detection method comprises the following steps:
S1, support platform is connected on worktable;
S2, pcb board to be detected is placed in the integral platform of worktable and support platform composition, the first area of described pcb board is positioned on worktable, and the second area of described pcb board is positioned in support platform;
S3, scanister scan detection to the first area of the pcb board on worktable;
S4, scanned after, rotation pcb board, the second area of pcb board is positioned on worktable, then with scanister, it is scanned to detection.
Beneficial effect: AOI detection system of the present invention and detection method thereof, be not enough to support the problem of large scale pcb board by installing dismountable support platform solution detection table top additional, and scanned and realized large scale pcb board complete scan by subregion.Thereby avoided detecting the required increase of certain large scale circuit plate and bought the input of large table top AOI machine, saved cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of AOI detection system of the present invention.
Fig. 2 is the process flow diagram of the detection method of AOI detection system of the present invention.
Embodiment
The invention provides a kind of AOI detection system and detection method thereof, for making object of the present invention, technical scheme and effect clearer, clear and definite, below the present invention is described in more detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the schematic diagram of AOI detection system of the present invention, as shown in the figure, described AOI detection system comprises: the worktable 200 of scanister 100, setting corresponding to scanister 100 and a support platform 300, described support platform 300 is connected with worktable 200, and is in sustained height with described worktable 200.
Specifically, described scanister 100 is for autoscan PCB, collection image, the qualified parameter of testing in its solder joint and database compares, then pass through image processing, check out the upper defect of PCB, and by display or Automatic Logos Flaw display/mark, for maintenance personal's finishing.The scanning area of scanister 100 corresponding with the size of worktable 200 (can not exceed the size of worktable 200), after pcb board to be detected is placed on worktable 200,100 of scanister scan it, and the part that pcb board exceeds worktable 200 scanister cannot scan it.For this defect, the present invention has designed a support platform 300, and it is connected with worktable 200, and is in sustained height with described worktable 200, and so, the pcb board that is greater than worktable 200 also can horizontal positioned.Without going again, buy special large-scale AOI checkout equipment, saved cost.
In the present embodiment, the planar dimension of described support platform is 610mm*660mm.So, after existing as precious discovery 8200 type AOI machines difficult to understand (detection full-size is 610mm*660mm) splicing, maximum can be detected to size and bring up to 12200mm*660mm, through production practices, prove, this equipment can be used completely.
Further, because support platform 300 is dismountable, and we conventionally use less than (large-sized pcb board with respect to normal size, negligible amounts).So for for convenience detach, we are fixed on support platform 300 on worktable by securing member.Described securing member can be bolt, rivet etc.
The present invention also provides a kind of detection method of above-mentioned AOI detection system, and as shown in Figure 2, described detection method comprises the following steps:
S1, support platform is connected on worktable;
S2, pcb board to be detected is placed in the integral platform of worktable and support platform composition, the first area of described pcb board is positioned on worktable, and the second area of described pcb board is positioned in support platform;
S3, scanister scan detection to the first area of the pcb board on worktable;
S4, rotation pcb board, be positioned on worktable the second area of pcb board, then with scanister, it scanned to detection.
Be with should be noted that, in step S4, during rotation pcb board (should be that first area has been scanned), because the size of the first area of pcb board and second area may for different (be with being to be understood that, pcb board only includes first area and second area), so, after rotation, when second area drops on worktable, on possible worktable, also comprise a part of first area (this region had carried out having detected in step S3), duplicate surveyed area, the width of overlapping region is determined according to actual conditions, when having the figures such as pad or hole, get around, but do not affect whole testing process, as long as second area is again on worktable, scanister can scan it, guarantee that the whole of pcb board can be scanned detection.
In sum, AOI detection system provided by the invention, for pcb board is detected, described AOI detection system comprises: the worktable of scanister, setting corresponding to scanister, also comprise: a dismountable support platform, described support platform connecting working table, and be in sustained height with described worktable.AOI detection system of the present invention and detection method thereof, be not enough to support the problem of large scale pcb board by installing dismountable support platform solution detection table top additional, and scanned and realized large scale pcb board complete scan by subregion.Thereby avoided detecting the required increase of certain large scale circuit plate and bought the input of large table top AOI machine, saved cost.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (4)
1. an AOI detection system, for pcb board is detected, described AOI detection system comprises: the worktable of scanister, setting corresponding to scanister, it is characterized in that, described AOI detection system also comprises: a dismountable support platform, described support platform connecting working table, and be in sustained height with described worktable;
Described pcb board comprises first area and second area, and described first area is positioned on worktable, and described second area is positioned in support platform;
After described scanister scans detection to first area, rotation pcb board, is positioned on worktable described second area;
The planar dimension of described support platform is 610mm*660mm;
After rotation pcb board, when second area drops on worktable, on worktable, also comprise a part of first area, duplicate surveyed area.
2. AOI detection system according to claim 1, is characterized in that, described support platform is fixed on worktable by securing member.
3. AOI detection system according to claim 2, is characterized in that, described securing member is bolt.
4. a detection method for AOI detection system claimed in claim 1, is characterized in that, described detection method comprises the following steps:
S1, support platform is connected on worktable;
S2, pcb board to be detected is placed in the integral platform of worktable and support platform composition,
S3, scanister scan detection to the first area of the pcb board on worktable;
S4, rotation pcb board, be positioned on worktable the second area of pcb board, then with scanister, it scanned to detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110426674.4A CN102495071B (en) | 2011-12-19 | 2011-12-19 | AOI (Automated Optic Inspection) system and inspection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110426674.4A CN102495071B (en) | 2011-12-19 | 2011-12-19 | AOI (Automated Optic Inspection) system and inspection method thereof |
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| Publication Number | Publication Date |
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| CN102495071A CN102495071A (en) | 2012-06-13 |
| CN102495071B true CN102495071B (en) | 2014-04-16 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103323468A (en) * | 2013-05-20 | 2013-09-25 | 晟光科技股份有限公司 | Single-surface multi-point non-contact pattern test method |
| TW201514473A (en) * | 2013-10-15 | 2015-04-16 | Utechzone Co Ltd | Method for inspecting mixed types of objects |
| CN103743760A (en) * | 2013-10-28 | 2014-04-23 | 广州杰赛科技股份有限公司 | Circuit detection method for PCB board |
| JP6734785B2 (en) * | 2014-12-08 | 2020-08-05 | 三井金属鉱業株式会社 | Method for manufacturing printed wiring board |
| CN105092605A (en) * | 2015-09-10 | 2015-11-25 | 苏州威盛视信息科技有限公司 | Automatic optical detection method used for reversion of detection element |
| CN107084989B (en) * | 2017-03-27 | 2020-06-30 | 广州视源电子科技股份有限公司 | Method and system for adding AOI device database |
| CN108226166A (en) * | 2017-12-29 | 2018-06-29 | 信利（惠州）智能显示有限公司 | A kind of automatic optics inspection scan method |
| CN112730434B (en) * | 2020-12-26 | 2021-10-29 | 深圳市磐锋精密技术有限公司 | Data monitoring method applied to AOI detection |
| CN114677585B (en) * | 2022-03-15 | 2023-04-07 | 昆山豪润精密模具有限公司 | Intelligent feeding system and method |
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| CN100533132C (en) * | 2004-09-06 | 2009-08-26 | 欧姆龙株式会社 | Substrate inspection method and apparatus |
| US20060086773A1 (en) * | 2004-10-27 | 2006-04-27 | Sanftleben Henry M | Technique for optical inspection system verification |
| TW200821247A (en) * | 2006-09-22 | 2008-05-16 | Olympus Corp | Substrate inspecting apparatus |
| TWI306165B (en) * | 2006-10-17 | 2009-02-11 | Machvision Inc | Adjustable illumination apparatus and aoi system using the same |
| US8077307B2 (en) * | 2008-04-09 | 2011-12-13 | Orbotech Ltd. | Illumination system for optical inspection |
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