CN103376270A - Component-counting method on basis of X-ray linear scanning and counting device thereof - Google Patents
Component-counting method on basis of X-ray linear scanning and counting device thereof Download PDFInfo
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- CN103376270A CN103376270A CN 201310277692 CN201310277692A CN103376270A CN 103376270 A CN103376270 A CN 103376270A CN 201310277692 CN201310277692 CN 201310277692 CN 201310277692 A CN201310277692 A CN 201310277692A CN 103376270 A CN103376270 A CN 103376270A
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Abstract
The invention provides a component-counting method on the basis of X-ray linear scanning. The automatic component-counting method comprises the following steps: (1) a tray enters a ray room; (2) the tray triggers an infrared sensor and starts linear-array CCD (Charge Coupled Device) acquisition; (3) the linear-array CCD is received; (4) the tray triggers the infrared sensor and stops acquisition; (5) the linear-array CCD converts received signals into digital signals and transmits the digital signals to a computer by a control box, and the computer converts the digital signals into X-ray images; and (6) analyzing the X-ray images, automatically counting out the components, and displaying a counted result. The invention also provides an automatic component-counting device on the basis of X-ray linear scanning. The automatic component-counting device comprises a tray conveying belt, a ray shielding room, an X-ray generator, a linear-array CCD image sensor, an infrared opposite-irradiation sensor, a control computer and a linear-array control box. The automatic component-counting method and the automatic component-counting device provided by the invention have the advantages that the components on the production line can be automatically counted, and the accurate, stable and fast effects are achieved and the like.
Description
Technical field
The present invention relates to X-ray Testing Technology, be specifically related to a kind of element numeration method and counting assembly thereof of sweeping based on the X ray line.
Background technology
In electronic product production and processing enterprise, all need a large amount of components and parts every day, the implementation of fine-grained management mode requires the components and parts number of enterprise statistics use every day, formulate accurate components and parts supply and procurement plan with these data, effectively produce, avoid waste, better the production control link.
At present, Electronic Components Manufacturing enterprise also in order to make things convenient for feeding, makes things convenient for the workman to use artificial paster pen to draw components and parts etc. in order conveniently to deposit and to transport, and has been widely used charging tray and has deposited the good components and parts of production, especially little, medium-sized components and parts.In fact, charging tray has become the standard components and parts method of supplying in the surface installation technique (Surface Mounted Technology, SMT).But be that the different types of components and parts number of the accurate express statistic of charging tray is very difficult.In general; components and parts dissimilar, various sizes all are to invest at certain intervals on the strip, and strip is wrapped on the charging tray fixing, and the charging tray tow sides have the protection fixed housing; therefore naked eyes can't directly be seen the components and parts in the charging tray shell, can't directly check.In addition, charging tray, components and parts size, kind are different, further aggravated the difficulty of counting, take the electronic product factory of largest domestic as example, its charging tray size is different, diameter 177mm~375mm, the components and parts change in size is also larger, physical dimension 0.6 * 0.6 * 0.3mm~31.5 * 25.5 * 12.8mm.
The components and parts statistical requirements is accurate to units.At present, the components and parts number of statistics use every day is manually to check outbound every day, warehouse-in number basically, and concrete operations are: large-sized components and parts launch directly several numbers with strip; Or convert by weight and to estimate.The small size components and parts then are that strip is launched, and measure strip length and estimate.There is following drawback in existing element numeration method: (1) counting rate is slow, time-consuming; (2) counting error is large, and people's subjective factor all may produce error such as tired, absent-minded, carelessness etc. on the one hand; On the other hand, objective factor such as light change, noisy, laying for goods is unordered etc. also may indirectly bring error; (3) counting scheme degree of accuracy is not high, is a kind of evaluation method as measuring components and parts weight and strip length; (4) measuring process may cause the components and parts loss, impact counting and production management.
The present invention utilizes the advantage of X ray Non-Destructive Testing, automatically send into the X ray surveyed area by the charging tray that components and parts will be housed by conveyer, obtained the radioscopic image of charging tray and components and parts by X ray battle array scan detector, identify each components and parts through the computer automatic analysis, realize all components and parts Auto-countings in the charging tray.Its advantage shows: (1) can not cause damage to components and parts and lose; (2) counting rate is fast; (3) the counting accuracy is high; (4) the counting accuracy can not be subject to the impact of artificial or objective environment.
Summary of the invention
The object of the invention is to overcome the shortcoming and defect of above-mentioned prior art, a kind of method of the components and parts Auto-counting based on X ray linear array scanning (be called for short line sweep) is provided, realization is carried out Auto-counting to all size components and parts on the production line, and has the advantages such as accurate, stable, quick.
Another object of the present invention also is to provide the components and parts robot scaler of sweeping based on the X ray line of realizing said method.
Primary and foremost purpose of the present invention is achieved through the following technical solutions: the element numeration method based on the X ray line is swept comprises the steps:
(1) the components and parts charging tray is lain against on the travelling belt of at the uniform velocity running, enter beam shielded enclosure;
(2) charging tray triggers infrared emission sensor, the collection of initial array CCD image sensor;
(3) received by Linear Array CCD Image Sensor after the X ray of ray generator emission penetrates charging tray;
(4) charging tray triggers infrared emission sensor, the collection of stop line array CCD image sensor;
(5) Linear Array CCD Image Sensor is converted to the signal that receives digital signal and is transferred to computing machine by the line array sensor control enclosure, and computing machine is converted to radioscopic image with digital signal;
(6) radioscopic image is analyzed, automatically calculated the components and parts number, and show count results.
The described Linear Array CCD Image Sensor of step (5) is converted to the signal that receives digital signal and is transferred to computing machine by the line array sensor control enclosure, and computing machine is converted to radioscopic image with digital signal, specifically may further comprise the steps:
(5-1) Linear Array CCD Image Sensor is according to the X ray that receives, and producing length is the one-dimension array of S, and constantly one-dimension array is sent to computing machine by the line array sensor control enclosure; Wherein, S is the design resolution of Linear Array CCD Image Sensor;
After (5-2) computing machine receives N one-dimension array, it is synthesized size be the two-dimensional x-ray images of N * S; N=F * t wherein, F is the sweep frequency of Linear Array CCD Image Sensor, t is for from beginning to collect the time interval that stops to gather.
Step (6) is described to be analyzed radioscopic image, automatically calculates the components and parts number, and shows count results, specifically may further comprise the steps:
The radioscopic image that (6-1) with threshold value T step (5-2) is obtained carries out binaryzation operation, draws the approximate region of components and parts, wherein threshold value T by the user according to characteristic set;
(6-2) carry out expansion, the corrosion operation of morphological image, obtain the accurate zone of components and parts;
(6-3) each is independently carried out mark in the zone, is respectively 1,2,3 ..., n;
(6-4) calculate the area S of each isolated area, be designated as respectively S1, S2, S3 ..., Sn;
(6-5) each zone is counted, if round (S/A)=0 or 1, then counting adds 1, if round (S/A)=2, then counting adds 2, and the rest may be inferred, wherein function round () is the operation that rounds up, and A is predefined single components and parts area;
(6-6) with the method for counting of (6-5) to zone 1,2,3 ..., n counts successively, and cumulative;
(6-7) show counting.
Another object of the present invention is achieved through the following technical solutions: realize the counting assembly of the element numeration method of sweeping based on the X ray line, comprise charging tray travelling belt, beam shielded enclosure, x ray generator, Linear Array CCD Image Sensor, infrared emission sensor, control computing machine, line array sensor control enclosure.
Described charging tray travelling belt is provided with beam shielded enclosure, the top of described beam shielded enclosure is provided with x ray generator, the bottom of described beam shielded enclosure is provided with Linear Array CCD Image Sensor, and described x ray generator and Linear Array CCD Image Sensor are on the same vertical plane;
Described charging tray lies against on the charging tray travelling belt;
Described infrared emission sensor is positioned over the Linear Array CCD Image Sensor top, and is connected with the line array sensor control enclosure;
Described x ray generator is connected with the control computing machine by cable;
Described Linear Array CCD Image Sensor is connected with line array sensor control enclosure, control computing machine successively by cable.
The relative prior art of the present invention has the following advantages and effect:
1, the present invention can carry out Auto-counting to the components and parts of charging tray inside, and has the advantages such as accurate, stable, quick.
2, the present invention can be installed on the full-automatic assembly line, improves and produces line efficient, reduces the labor cost of enterprise.
3, the present invention uses X ray to detect charging tray inside, and the components and parts of avoiding artificial counting expansion charging tray to cause come off;
4, the present invention adopts image processing techniques, has greatly reduced the error that artificial estimation counting brings.
Description of drawings
Fig. 1 is the overall procedure synoptic diagram of the inventive method.
Fig. 2 is method shown in Figure 1 is obtained radioscopic image in step (5) schematic flow sheet.
Fig. 3 is that method shown in Figure 1 is at the schematic flow sheet of step (6) Auto-counting.
Fig. 4 is the synoptic diagram of the components and parts robot scaler swept based on the X ray line.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
A kind of method of the components and parts Auto-counting of sweeping based on the X ray line as shown in Figure 1, specifically comprises the steps:
(1) components and parts charging tray 2 is lain against on the travelling belt 1 of at the uniform velocity running, enter beam shielded enclosure 3;
(2) charging tray 2 triggers infrared emission sensor 6, the collection of initial array CCD image sensor 5;
(3) X ray of ray generator 4 emissions is received by Linear Array CCD Image Sensor 5 after penetrating charging tray 2;
(4) charging tray 2 triggers infrared emission sensor 6, the collection of stop line array CCD image sensor 5;
(5) Linear Array CCD Image Sensor 5 is converted to the signal that receives digital signal and is transferred to computing machine 7 by line array sensor control enclosure 8, and computing machine 7 is converted to radioscopic image with digital signal;
(6) radioscopic image is analyzed, automatically calculated the components and parts number, and show count results.
In the described step (5), Linear Array CCD Image Sensor 5 is converted to the signal that receives digital signal and is transferred to computing machine 7 by line array sensor control enclosure 8, computing machine 7 is converted to radioscopic image with digital signal, specifically may further comprise the steps (as shown in Figure 2):
(5-1) Linear Array CCD Image Sensor 5 is according to the X ray that receives, and producing length is the one-dimension array of S, and constantly one-dimension array is sent to computing machine 7; Wherein, S is the design resolution of Linear Array CCD Image Sensor 5;
After (5-2) computing machine 7 receives N one-dimension array, it is synthesized size be the two-dimensional x-ray images of N * S; N=F * t wherein, F is the sweep frequency of Linear Array CCD Image Sensor 5, t is for from beginning to collect the time interval that stops to gather.
In the described step (6), radioscopic image is analyzed, is automatically calculated the components and parts number, and show count results, specifically may further comprise the steps (as shown in Figure 3):
The radioscopic image that (6-1) with threshold value T described step (5-2) is obtained carries out binaryzation operation, draws the approximate region of components and parts, wherein threshold value T by the user according to characteristic set;
(6-2) carry out expansion, the corrosion operation of morphological image, obtain the accurate zone of components and parts;
(6-3) each is independently carried out mark in the zone, is respectively 1,2,3 ..., n;
(6-4) calculate the area S of each isolated area, be designated as respectively S1, S2, S3 ..., Sn;
(6-5) each zone is counted, if round (S/A)=0 or 1, then counting adds 1, if round (S/A)=2, then counting adds 2, and the rest may be inferred, wherein function round () is the operation that rounds up, and A is predefined single components and parts area;
(6-6) with the method for counting of described (6-5) to zone 1,2,3 ..., n counts successively, and cumulative;
(6-7) show counting.
As shown in Figure 4, the device of a kind of components and parts Auto-counting of sweeping based on the X ray line of the present invention comprises charging tray travelling belt 1, beam shielded enclosure 3, x ray generator 4, Linear Array CCD Image Sensor 5, infrared emission sensor 6, control computing machine 7, line array sensor control enclosure 8.
Described charging tray travelling belt 1 is provided with beam shielded enclosure 3, the top of described beam shielded enclosure 3 is provided with x ray generator 4, the bottom of described beam shielded enclosure 3 is provided with Linear Array CCD Image Sensor 5, and described x ray generator 4 is on the same vertical plane with Linear Array CCD Image Sensor 5;
Described charging tray 2 lies against on the charging tray travelling belt 1;
Described infrared emission sensor 6 is positioned over Linear Array CCD Image Sensor 5 tops, and is connected with line array sensor control enclosure 8;
Described x ray generator 4 is connected with control computing machine 7 by cable;
Described Linear Array CCD Image Sensor 5 is connected with line array sensor control enclosure 8, control computing machine 7 successively by cable.
Above-described embodiment is the better embodiment of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (5)
1. the element numeration method of sweeping based on the X ray line is characterized in that, comprises the steps:
(1) the components and parts charging tray is lain against on the travelling belt of at the uniform velocity running, enter beam shielded enclosure;
(2) charging tray triggers infrared emission sensor, the collection of initial array CCD image sensor;
(3) received by Linear Array CCD Image Sensor after the X ray of ray generator emission penetrates charging tray;
(4) charging tray triggers infrared emission sensor, the collection of stop line array CCD image sensor;
(5) Linear Array CCD Image Sensor is converted to the signal that receives digital signal and is transferred to computing machine by the line array sensor control enclosure, and computing machine is converted to radioscopic image with digital signal;
(6) radioscopic image is analyzed, automatically calculated the components and parts number, and show count results.
2. element numeration method of sweeping based on the X ray line according to claim 1, it is characterized in that, Linear Array CCD Image Sensor is converted to the signal that receives digital signal and is transferred to computing machine by the line array sensor control enclosure in the described step (5), computing machine is converted to radioscopic image with digital signal, specifically may further comprise the steps:
(5-1) Linear Array CCD Image Sensor is according to the X ray that receives, and producing length is the one-dimension array of S, and constantly one-dimension array is sent to computing machine by the line array sensor control enclosure; Wherein, S is the design resolution of Linear Array CCD Image Sensor;
After (5-2) computing machine receives N one-dimension array, it is synthesized size be the two-dimensional x-ray images of N * S; N=F * t wherein, F is the sweep frequency of Linear Array CCD Image Sensor, t is for from beginning to collect the time interval that stops to gather.
3. element numeration method of sweeping based on the X ray line according to claim 1 is characterized in that, described step (6) is analyzed radioscopic image, automatically calculates the components and parts number, and shows count results, specifically may further comprise the steps:
The radioscopic image that (6-1) with threshold value T step (5-2) is obtained carries out binaryzation operation, draws the approximate region of components and parts, wherein threshold value T by the user according to characteristic set;
(6-2) carry out expansion, the corrosion operation of morphological image, obtain the accurate zone of components and parts;
(6-3) each is independently carried out mark in the zone, is respectively 1,2,3 ..., n, n are the integer greater than zero;
(6-4) calculate the area S of each isolated area, be designated as respectively S1, S2, S3 ..., Sn;
(6-5) each zone is counted, if round (S/A)=0 or 1, then counting adds 1, if round (S/A)=2, then counting adds 2, and the rest may be inferred, wherein function round (S/A) is the function of the operation that rounds up, and A is predefined single components and parts area;
(6-6) with the method for counting of (6-5) to zone 1,2,3 ..., n counts successively, and count results is added up;
(6-7) show zone 1,2,3 ..., the result that n counts successively.
4. realize the counting assembly of each described element numeration method of sweeping based on the X ray line of claim 1~3, it is characterized in that: comprise charging tray travelling belt, beam shielded enclosure, x ray generator, Linear Array CCD Image Sensor, infrared emission sensor, control computing machine and line array sensor control enclosure;
Described charging tray travelling belt is provided with beam shielded enclosure, the top of described beam shielded enclosure is provided with x ray generator, the bottom of described beam shielded enclosure is provided with Linear Array CCD Image Sensor, and described x ray generator and Linear Array CCD Image Sensor are on the same vertical plane; Described infrared emission sensor is positioned over the Linear Array CCD Image Sensor top, and is connected with the line array sensor control enclosure; Described x ray generator is connected with the control computing machine by cable; Described Linear Array CCD Image Sensor, line array sensor control enclosure and be connected computing machine and connect successively by cable.
5. element numeration device according to claim 4 is characterized in that: be placed with charging tray on the described charging tray travelling belt.
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CN107878988A (en) * | 2017-11-29 | 2018-04-06 | 英业达科技有限公司 | Full-automatic charging tray Input System and its charging tray parts count method |
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2013
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CN105411609A (en) * | 2015-12-30 | 2016-03-23 | 爱科维申科技(天津)有限公司 | Full-automatic production system of disposable peripheral blood taking needles |
CN105411609B (en) * | 2015-12-30 | 2018-08-24 | 爱科维申科技(天津)有限公司 | Disposable ending blood taking needle fully-automatic production system |
CN107194457A (en) * | 2017-06-07 | 2017-09-22 | 中北大学 | A kind of method that ball-type operation flexible axle pearl is counted automatically and its position is marked |
CN107271462A (en) * | 2017-06-07 | 2017-10-20 | 中北大学 | A kind of detection means for ball-type operation flexible axle |
CN107194457B (en) * | 2017-06-07 | 2020-09-25 | 中北大学 | Method for automatically counting beads of ball type control flexible shaft and marking positions of beads |
WO2019058546A1 (en) * | 2017-09-25 | 2019-03-28 | 株式会社Fuji | Work device |
JPWO2019058546A1 (en) * | 2017-09-25 | 2020-04-09 | 株式会社Fuji | Work equipment |
CN107878988A (en) * | 2017-11-29 | 2018-04-06 | 英业达科技有限公司 | Full-automatic charging tray Input System and its charging tray parts count method |
CN110516375A (en) * | 2019-08-29 | 2019-11-29 | 浪潮商用机器有限公司 | A kind of detection method, device, electronic equipment and the storage medium of exception board |
CN113379784A (en) * | 2021-05-30 | 2021-09-10 | 南方医科大学 | Counting method of SMT material tray electronic components based on X-ray projection |
CN113379784B (en) * | 2021-05-30 | 2022-03-25 | 南方医科大学 | Counting method of SMT material tray electronic components based on X-ray projection |
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Application publication date: 20131030 |