CN103913150A - Consistency detection method for electron components of intelligent ammeter - Google Patents
Consistency detection method for electron components of intelligent ammeter Download PDFInfo
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- CN103913150A CN103913150A CN201410166559.1A CN201410166559A CN103913150A CN 103913150 A CN103913150 A CN 103913150A CN 201410166559 A CN201410166559 A CN 201410166559A CN 103913150 A CN103913150 A CN 103913150A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N2021/95638—Inspecting patterns on the surface of objects for PCB's
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Image Analysis (AREA)
Abstract
The invention discloses a consistency detection method for electron components of an intelligent ammeter and relates to the technical field of image recognition and light source control. The method comprises the following steps: (1) establishing a template; (2) photographing an image; (3) roughly detecting the electron components; (4) carrying out PCB accurate detection; (5) classifying images of the electron components; (6) determining again; and (7) outputting a result. According to the consistency detection method, a series of steps of rough detection, accurate detection, classification and redetermination of the electron components are carried out so that the consistency detection of the electron components is stable and reliable enough, and the aim of the stable consistency detection of the electron components of the intelligent ammeter is realized. The consistency detection method is applicable to the consistency detection of the electron components of various electric power companies and ammeter manufacturing factories.
Description
Technical field
The present invention relates to image recognition, light source control technical field, be specifically related to a kind of intelligent electric energy meter electronic devices and components consistency detecting method.
Background technology
Along with applying of intelligent electric energy meter, the quality conformance problem of intelligent electric energy meter receives publicity day by day.Uniform quality is exactly that the quality condition of requirement bid sample table and on-the-spot table is consistent, comprises PCB quality, software quality and electronic component quality.Whether electronic component quality is the key components of quality conformance, and the conforming main detection method of current intelligent electric energy meter electronic devices and components is artificial visually examine, use the electronic devices and components of the tested table of magnifier auxiliary detection consistent with bid sample.
There is shortcomings in existing manual detection method, as: there is artificial erroneous judgement in manual detection; The unicity of detection means has caused detection efficiency low; Manual detection is not easy to the unified management of computing machine etc.
Therefore, improve intellectuality and the validity of intelligent meter electronic devices and components consistency detecting method, improve detection speed and stability, reducing flase drop is problem demanding prompt solution, and this is starting point of the present invention just also.
Summary of the invention
Object of the present invention is just to overcome the shortcoming and defect that prior art exists, and provides a kind of intelligent electric energy meter electronic devices and components consistency detecting method, to improve its validity of intelligence and intellectuality.
The object of the present invention is achieved like this:
This method, based on image recognition and light source control technology, by the contrast of different database templates, detects the intended target that will detect roughly; Which class target Word message judgement by target belongs to, and reaches the object of accurate detection; Application class algorithm filters out uninterested target; This method can detect the consistance of intelligent electric energy meter electronic devices and components accurate stable, and false drop rate is low.
The technical solution adopted in the present invention is:
One, intelligent electric energy meter electronic devices and components consistency detection system (abbreviation system)
Native system comprises working environment: video monitoring platform, comprehensive access gate and intelligent management server;
Be provided with intellectual analysis server;
Its annexation is: video monitoring platform, comprehensive access gate, intelligent management server and intellectual analysis server are connected successively.
Principle of work
Intellectual analysis server is connected to intelligent management server, and intellectual analysis server is according to the IP(Internet protocol of intelligent management server) and port be connected to intelligent management server; When user asks video intelligent analysis task, this request sends to intelligent management server, intelligent management server is recorded intellectual analysis server state, and camera list equilibrium to be detected is assigned to idle intellectual analysis server, intellectual analysis server taking turn equipment, obtain real-time video decoding from camera, obtain RGB (red, green, blue, RGB) data, then to RGB data analysis, and testing result is reported to intelligent management server, intelligent management server preserves result.User also can report to the police according to alarm type and date inquiry, statistics generating report forms.
Two, intelligent electric energy meter electronic devices and components consistency detecting method (abbreviation method)
This method comprises the following steps:
1. modeling plate;
2. pickup image;
3. electronic devices and components rough detection;
4. PCB accurately detects;
5. electronic devices and components Images Classification;
6. again determine;
7. Output rusults.
The present invention has following advantages and good effect:
1, the rough detection by electronic devices and components, accurately detect, classification, again determine and series of steps make the consistency detection of electronic devices and components enough reliable and stable, reach the object of stable intelligent electric energy meter electronic devices and components consistency detection.
2, the present invention is applicable to the electronic devices and components consistency detection of each Utilities Electric Co., electric energy meter manufacturer.
Accompanying drawing explanation
Fig. 1 is the block diagram of native system;
In figure:
10-video monitoring platform,
The 11-the 1 video monitoring platform,
The 12-the 2 video monitoring platform
1N-the N video monitoring platform, N is natural number, N<10;
20-comprehensive access gate;
30-intelligent management server;
40-intellectual analysis server,
The 41-the 1 intellectual analysis server
4N-the N intellectual analysis server, N is natural number, N<100.
Fig. 2 is the block diagram of this method;
Fig. 3 is the process flow diagram of target following;
Fig. 4 is the process flow diagram of accurately searching.
Embodiment
Below in conjunction with drawings and Examples to the detailed description of the invention:
One, system
1, overall
As Fig. 1, this statistical system comprises working environment: video monitoring platform 10, comprehensive access gate 20 and intelligent management server 30;
Be provided with intellectual analysis server 40;
Its annexation is: video monitoring platform 10, comprehensive access gate 20, intelligent management server 30 and intellectual analysis server 40 are connected successively.
2, functional part
1) video monitoring platform 10
For user provides the business such as the remote collection, transmission, Storage and Processing of real-time audio and video and various alerting signals.
2) comprehensive access gate 20
Realize the statistics access of video monitoring platform.
3) intelligent management server 30
Realize intelligent resource management, be in charge of intellectual analysis resource.
4) intellectual analysis server 40
Intellectual analysis server 40 is functional entitys that video intelligent is analyzed, a corresponding station server in physical distribution.Intellectual analysis server 40 is by multiple VA(video analysis unit) form the intellectual analysis that each VA can complete independently one road video.
Specifically, the VA module of intellectual analysis server 40 comprises general-purpose computer and implants the functional software in computer.
Major function is:
1. realize video intelligent analytical algorithm;
2. be linked into intelligent management server 30, managed concentratedly by intelligent management server 30;
3. receive the video intelligent analysis request of intelligent management server 30, obtain video and analyze from video monitoring platform 10;
4. diagnostic result is reported to intelligent management server 30.
Two, method
As Fig. 2, this method performing step is as follows:
1. modeling plate-201
Selection standard circuit board image information, carries out modeling to the electronic devices and components on circuit board, and filling in detailed electronic devices and components information is examination criteria;
2. pickup image-202
Utilize industrial special camera to be detected to obtain vedio data, then compare according to input exterior sheathing image, finally output to intellectual analysis server for analyzing;
3. electronic devices and components rough detection-203
Utilize vedio data, process respectively intelligent electric energy meter electronic devices and components model, image to be detected and standard advanced row figure are compared, find similar image to lock, then detect electronic devices and components model according to lock image, finally demonstrate qualified icon indicated value, thereby can judge whether there is the sample interior of replacing hardware, and output on smart machine finally outputting standard information on request simultaneously;
4. PCB accurately detects-204
In order to reach the object that accurately detects circuit board defect, carry out respectively following operation:
The place body of I, electronic devices and components is pcb boards, and in pcb board, common deficiency is many, mainly, to detect Short Item, few part as object, so more accurately judges the quality of circuit board;
What II, intelligent electric meter adopted is all paster and integration module, and module is less, and accurately, so adopt gather to cut apart, subregion is detected more;
5. electronic devices and components Images Classification-205
Use corresponding detection gray level image facture; For the classification of figure, use be OCR+OpenCV method;
6. again determine-206
In order to make intelligent electric energy meter electronic devices and components consistency detecting method stable, also need to carry out a fine setting, if target correspondence position does not cause skew at assigned address or long-play, testing result is not desired result, so reach the desired check point of expection by fine-tuning mode;
7. Output rusults-207
Export final testing result.
Below key step is described in detail:
1, step 3.: electronic devices and components rough detection-203
As Fig. 3, performing step is as follows:
A, input present image-301;
B, main electronic devices and components detect-302, and pcb board detects-303;
C, main electronic devices and components upgrade-304, and pcb board upgrades-305;
D, search main electronic devices and components and whether change or lose-306;
E, output corresponding point detect information-307, are all to find-308, otherwise lose or change-309;
F, formation image list-310;
G, image is as a result of exported to-311.
2, step 4.: PCB accurately detects-204
PCB accurately detects the-the 204th, utilizes accumulative total information and objective contour gradient information, filters out non-defect target, reaches the object of stable detection.
As Fig. 4, it is as follows that PCB accurately detects-204 performing steps:
A, input testing result image-401;
B, scan each electronic devices and components-402;
C, judge scanning whether find each components and parts-403, be all to find-405, otherwise part find or do not find-404;
D, scanning accumulative total each electronic devices and components-406 of image;
Whether the value of e, judging point is greater than normal examination criteria value 407, is to be greater than arm's length standard-409, otherwise is less than arm's length standard-408;
F, image is carried out to gradation of image processing-410;
G, application connected component labeling algorithm, carry out connected component labeling-411 to electronic devices and components image;
H, calculating identification and data template comparison-412;
I, export smart testing result-413.
Claims (3)
1. an intelligent electric energy meter electronic devices and components consistency detecting method, is characterized in that:
1. modeling plate (201)
Selection standard circuit board image information, carries out modeling to the electronic devices and components on circuit board, and filling in detailed electronic devices and components information is examination criteria;
2. pickup image (202)
Utilize industrial special camera to be detected to obtain vedio data, then compare according to input exterior sheathing image, finally output to intellectual analysis server for analyzing;
3. electronic devices and components rough detection (203)
Utilize vedio data, process respectively intelligent electric energy meter electronic devices and components model, image to be detected and standard advanced row figure are compared, find similar image to lock, then detect electronic devices and components model according to lock image, finally demonstrate qualified icon indicated value, thereby can judge whether there is the sample interior of replacing hardware, and output on smart machine finally outputting standard information on request simultaneously;
4. PCB accurately detects (204)
In order to reach the object that accurately detects circuit board defect, carry out respectively following operation:
The place body of I, electronic devices and components is pcb boards, and in pcb board, common deficiency is many, mainly, to detect Short Item, few part as object, so more accurately judges the quality of circuit board;
What II, intelligent electric meter adopted is all paster and integration module, and module is less, and accurately, so adopt gather to cut apart, subregion is detected more;
5. electronic devices and components Images Classification (205)
Use corresponding detection gray level image facture; For the classification of figure, use be OCR+OpenCV method;
6. again determine (206)
In order to make intelligent electric energy meter electronic devices and components consistency detecting method stable, also need to carry out a fine setting, if target correspondence position does not cause skew at assigned address or long-play, testing result is not desired result, so reach the desired check point of expection by fine-tuning mode;
7. Output rusults (207)
Export final testing result.
2. by a kind of intelligent electric energy meter electronic devices and components consistency detecting method claimed in claim 1, it is characterized in that described electronic devices and components rough detection (203) performing step is as follows:
A, input present image (301);
B, main electronic devices and components detect (302), and pcb board detects (303);
C, main electronic devices and components upgrade (304), and pcb board upgrades (305);
D, search main electronic devices and components and whether change or lose (306);
E, output corresponding point detect information (307), are all to find (308), otherwise lose or replacing (309);
F, formation image list (310);
G, image is as a result of exported to (311).
3. by a kind of intelligent electric energy meter electronic devices and components consistency detecting method claimed in claim 1, it is characterized in that it is to utilize accumulative total information and objective contour gradient information that described PCB accurately detects (204), filter out non-defect target, reach the object of stable detection;
Performing step is as follows:
A, input testing result image (401);
B, scan each electronic devices and components (402);
C, judge whether scanning finds each components and parts (403), is all to find (405), otherwise part finds or does not find (404);
D, the scanning accumulative total each electronic devices and components of image (406);
Whether the value of e, judging point is greater than normal examination criteria value (407), is to be greater than arm's length standard (409), otherwise is less than arm's length standard (408);
F, image is carried out to gradation of image processing (410);
G, application connected component labeling algorithm, carry out connected component labeling (411) to electronic devices and components image;
H, calculating identification and data template comparison (412);
I, export smart testing result (413).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410166559.1A CN103913150B (en) | 2014-04-24 | 2014-04-24 | Intelligent electric energy meter electronic devices and components consistency detecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410166559.1A CN103913150B (en) | 2014-04-24 | 2014-04-24 | Intelligent electric energy meter electronic devices and components consistency detecting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103913150A true CN103913150A (en) | 2014-07-09 |
| CN103913150B CN103913150B (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410166559.1A Expired - Fee Related CN103913150B (en) | 2014-04-24 | 2014-04-24 | Intelligent electric energy meter electronic devices and components consistency detecting method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700101A (en) * | 2015-04-01 | 2015-06-10 | 无锡桑尼安科技有限公司 | Electric energy meter model detection method based on visual recognition |
| CN106093050A (en) * | 2016-05-27 | 2016-11-09 | 国网天津市电力公司 | A kind of for intelligent electric energy meter PCB encapsulation, the automatic checkout system of components and parts |
| CN108681705A (en) * | 2018-05-15 | 2018-10-19 | 国网重庆市电力公司电力科学研究院 | A kind of measuring equipment consistency checking method and system based on figure identification |
| CN116027171A (en) * | 2022-12-23 | 2023-04-28 | 广东祺力电子有限公司 | Intelligent system and method for realizing PCBA (printed circuit board assembly) board test |
| CN116934745A (en) * | 2023-09-14 | 2023-10-24 | 创新奇智(浙江)科技有限公司 | Quality detection method and detection system for electronic component plugging clip |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700101A (en) * | 2015-04-01 | 2015-06-10 | 无锡桑尼安科技有限公司 | Electric energy meter model detection method based on visual recognition |
| CN106093050A (en) * | 2016-05-27 | 2016-11-09 | 国网天津市电力公司 | A kind of for intelligent electric energy meter PCB encapsulation, the automatic checkout system of components and parts |
| CN108681705A (en) * | 2018-05-15 | 2018-10-19 | 国网重庆市电力公司电力科学研究院 | A kind of measuring equipment consistency checking method and system based on figure identification |
| CN108681705B (en) * | 2018-05-15 | 2022-08-23 | 国网重庆市电力公司电力科学研究院 | Metering equipment consistency judgment method and system based on pattern recognition |
| CN116027171A (en) * | 2022-12-23 | 2023-04-28 | 广东祺力电子有限公司 | Intelligent system and method for realizing PCBA (printed circuit board assembly) board test |
| CN116027171B (en) * | 2022-12-23 | 2023-11-14 | 广东祺力电子有限公司 | Intelligent system and method for realizing PCBA (printed circuit board assembly) board test |
| CN116934745A (en) * | 2023-09-14 | 2023-10-24 | 创新奇智(浙江)科技有限公司 | Quality detection method and detection system for electronic component plugging clip |
| CN116934745B (en) * | 2023-09-14 | 2023-12-19 | 创新奇智(浙江)科技有限公司 | Quality detection method and detection system for electronic component plugging clip |
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| Publication number | Publication date |
|---|---|
| CN103913150B (en) | 2016-03-16 |
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