CN101922996B - Selecting method and system thereof of detecting light source - Google Patents

Selecting method and system thereof of detecting light source Download PDF

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Publication number
CN101922996B
CN101922996B CN2009101496554A CN200910149655A CN101922996B CN 101922996 B CN101922996 B CN 101922996B CN 2009101496554 A CN2009101496554 A CN 2009101496554A CN 200910149655 A CN200910149655 A CN 200910149655A CN 101922996 B CN101922996 B CN 101922996B
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light source
module
determinand
testing
image
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CN101922996A (en
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钟政英
林长庆
曾健明
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Metal Industries Research and Development Centre
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Metal Industries Research and Development Centre
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Abstract

The invention discloses selecting method and system thereof of a detecting light source. The system comprises a light source drive module, a scanning module and a deduction module. The selecting method of the detecting light source comprises the steps of: providing a plurality of detecting light sources by the light source drive module, projecting the testing light sources to an object to be detected; linearly scanning the object to be detected by the scanning module and forming a plurality of images corresponding to the plurality of detecting light sources; recording defect data of the object to be detected by the deduction module, comparing the images with the defect data according to an analysis method to generate quality scores corresponding to the images so as to analyze the quality scores and pick out the detecting light source most suitable for detecting the object to be detected. The invention can be suitable for various production lines. Manufacturers can find the detecting light source most suitable for detecting the object to be detected when doing system adjusting operation before detecting, and obtain the best detection yield; and when the manufacturers can greatly reduce the cost generated because of equipment replacement, the invention can be applied to different production lines, and has high practical applicability.

Description

The selecting method of detection light source and system thereof
Technical field
The present invention relates to a kind of scanning light source that detects determinand and select system for use, be meant a kind of selecting method and system thereof that current determinand detects the detection light source of operation that be best suited for that select that have especially.
Background technology
Please with reference to Fig. 1, it is light source driving, scanning and the determinand defect inspecting system of prior art.This determinand can be hard circuit board, flexible circuit board, flexible material, winding 1 ... Deng the object of different materials, characteristic, this with the winding 1 of disposing P.e.c. as explaining orally.The described system of prior art comprises an object transport sector 110, one scan mechanism 120 and a control gear 130.Object transport sector 110 comprises an infeed end 111 and a rewinding end 112, and infeed end 111 can discharge the strip of winding 1, and with rewinding end 112 with same direction in fact synchronously scrolling strip is furled by rewinding end 112 with transmission winding 1 to rewinding end 112.Scanning mechanism 120 comprises an optical photography machine 121 and a light projector module 122; Light projector module 122 is throwed a light source on the transmission path of winding 1; To form the projected area, optical photography machine 121 is in order to scanning or take the P.e.c. that gets into the projected area, to produce the image of each P.e.c..Control gear 130 comprises a mechanism controls module 131 and an image discrimination module 132; Mechanism controls module 131 control object transport sectors 110 are with transmission winding 1; Order light projector module 122 is carried out light projector to form above-mentioned projected area; And the captured instant picture that goes out of the camera lens of obtaining optical photography machine 121, when judging that through the variation of instant picture P.e.c. on the strip gets into the projected area, P.e.c. scanned or take form above-mentioned image.Image discrimination module 132 stored are relevant at least one defective data of P.e.c., the circuit layout specification that so-called defective data comprises the defective circuits figure or quantizes.Image discrimination module 132 is mated itself and defective data for obtaining the image that optical photography machine 121 is produced, and judge whether P.e.c. is correct, or whether the circuit layout that prints out meets Specification Of Wiring.
Yet; The light projector module polygamy of current defect inspecting system is put single light source; The detection light source that right each determinand has it to be suitable for; Therefore the detection light source that determinand was suitable for to be tested need be learnt by manufacturer before setting up production line, buys or dispose the defect inspecting system that comprises this detection light source again.Secondly, when the system before manufacturer does to test adjusts operation, also only can adjust with regard to existing detection light source, to ask for maximum detection yield, with regard in the practical application, suitable inconvenience.Moreover; When manufacturer's desire changes the production line type; The light source that the original defects check system is provided may not be certain to be applicable to the product of newtype, needs whole production equipment total number to upgrade in case of necessity, removes significantly lifting means cost; More highlighted existing defect inspecting system can't conversion in different production lines, the problem that application is very low.
Therefore, defect inspecting system being had can be applicable to different production lines, and can obtain the projection source that is best suited for the detection determinand, is the problem that should think deeply for manufacturer.
Prior art:
1 winding
110 object transport sectors
111 infeed end
112 rewinding ends
120 scanning mechanisms
121 optical photography machines
122 light projector modules
130 control gears
131 mechanism controls modules
132 image discrimination modules
The present invention's technology:
10 winding
11 first determinands
12 second determinands
13 the 3rd determinands
20 rigid circuit boards
210 light source driver modules
211 red light source modules
212 blue-light source modules
213 green light source modules
214 linear light source projects mechanisms
215 optical fiber tubes
216 photo-couplers
220 transport modules
221 feed modules
222 rewinding modules
223 glove modules
224 travelling belts
230 control ends
231 control modules
232 inference modules
240 scan modules
251 ruddiness projected areas
252 blue light projected areas
253 green glow projected areas
Summary of the invention
The object of the present invention is to provide a kind of different production lines that can be applicable to, and can obtain be best suited for the projection source that detects determinand select system and selecting method for use.
Technological means provided by the present invention discloses a kind of system that selects for use of detection light source, comprises a transport module, a light source driver module, a control module, one scan module and an inference module.
This transport module is in order to transmit more than one determinand; Light source driver module provides the testing light source of a plurality of different wavelength; Scan module is in order at determinand linear scan determinand during through the projected area, to produce a plurality of images that determinand receives each light source irradiation respectively and formed by scanning.The irradiation of control module control light source driver module at least any testing light source on the transmission path of determinand to form a projected area; And obtain the instant image that scan module is taken; To get into projected area scan module in season determinand is scanned, and judge the light source that determinand throws through toggle lights driver module behind the projected area according to instant image judgement determinand.The inference module includes the more than one defective data of each determinand; The inference module can be analyzed rule according to one each image is compared with relevant defective data; Calculate a quality mark of each image; Select the corresponding light source of image under the mark best in quality from each quality mark, make light source driver module that this light source is made as a test light source.
Technological means provided by the present invention discloses a kind of selecting method of detection light source, and at least one determinand is provided, and from a plurality of testing light sources, selects a testing light source to shine in being transmitted at least one determinand, to form a projected area.The linear scan determinand is to produce an image of the corresponding testing light source that determinand tested person light source irradiation and scanning forms.Analyze the quality mark that rule calculates this image according to one; And after all testing light sources shine totally; According to the quality mark of each image, select the test light source of the corresponding testing light source of the affiliated image of a mark best in quality as the scanning determinand.
Technological means provided by the present invention discloses a kind of system that selects for use of detection light source, comprises a light source driver module, one scan module and an inference module.
Light source driver module comprises the light source of a plurality of different wavelength, and to form a plurality of testing light sources, this light source driver module provides said a plurality of testing light source to shine on a determinand.Scan module linear scan determinand receives each testing light source irradiation respectively and is given the inference module by a plurality of images of scanning formation to produce determinand.The inference module includes the more than one defective data of determinand; The inference module can be analyzed rule according to one each image is compared with relevant defective data; Calculate a quality mark of each image; Select the corresponding testing light source of image under the mark best in quality from each quality mark, make light source driver module that this testing light source is made as a test light source.In addition, disclosed system also comprises a control module in order to switching the testing light source of above-mentioned light source driver module, and driven sweep module linear scan determinand.
Disclosed detection light source select system and selecting method for use; A plurality of testing light sources that are used to test determinand are provided; The detection light source that can select various determinand easily and be suitable for through scan method; Therefore, the defect inspecting system that has the present invention's technology is applicable to various production lines.Secondly, when the system before manufacturer does to test adjusts operation, can compare,, ask for maximum detection yield to find the detection light source that is best suited for determinand through multiple different testing light source.And; When manufacturer's desire changes the production line type; Need only the light source module local replacing that the original defects check system the is provided determinand that promptly can be applicable to newtype after line parameter is set of going forward side by side be detected operation; Can significantly reduce the cost that produces because of equipment replacement, and can be applied to different production lines, practicality is very high.
Description of drawings
Fig. 1 is the determinand defect inspecting system synoptic diagram of prior art;
Fig. 2 is the block scheme of an embodiment who selects system for use of detection light source of the present invention;
Fig. 3 is the Organization Chart of an embodiment who selects system for use of detection light source of the present invention;
Fig. 4 is that second determinand of the embodiment of the invention gets into the projected area synoptic diagram;
Fig. 5 is that the 3rd determinand of the embodiment of the invention gets into the projected area synoptic diagram;
Fig. 6 is the Organization Chart of selecting another embodiment of system for use of detection light source of the present invention;
Fig. 7 is the block scheme of selecting another embodiment of system for use of detection light source of the present invention; And
Fig. 8 is the process flow diagram of the selecting method embodiment of detection light source of the present invention.
Description of reference numerals in the above-mentioned accompanying drawing is following:
Embodiment
For making the object of the invention, structural attitude and function thereof there are further understanding, cooperate related embodiment and accompanying drawing to specify as follows:
Please with reference to Fig. 2, Fig. 3, Fig. 4 and Fig. 5; Fig. 2 is the block scheme of an embodiment who selects system for use of detection light source of the present invention; Fig. 3 is the Organization Chart of the embodiment of the invention; Fig. 4 is that second determinand of the embodiment of the invention gets into the projected area synoptic diagram, and Fig. 5 is that the 3rd determinand of the embodiment of the invention gets into the projected area synoptic diagram.The determinand of present embodiment is a plurality of identical P.e.c. wiring diagrams or a pattern (this winding 10 also can be other flexible circuit board, the figuratum flexible film of configuration etc.) in the winding 10.
The described system of present embodiment includes a transport module 220, a light source driver module 210, one scan module 240 and a control end 230, and wherein control end 230 comprises a control module 231 and an inference module 232.
Transport module 220 includes a feed module 221 and a rewinding module 222; Feed module 221 can discharge determinand (winding 10); And with rewinding module 222 with same direction in fact synchronously scrolling determinand (winding 10) is furled by rewinding module 222 with transmission determinand to rewinding module 222.
Light source driver module 210 includes a plurality of light source modules; Each light source module provides a kind of light source; The wavelength of each light source is different, and the different light source of said a plurality of wavelength is in order to form a plurality of testing light sources; In the same time, light source driver module 210 only provides a kind of testing light source to carry out the irradiation behavior.And testing light source is radiated on the path that determinand is transmitted 220 transmissions of module; To form a projected area; This projected area is linear and need exceeds the length or the width of determinand that with present embodiment, the length of projected area will exceed the width (or length) of circuit layout figure at least.
In this explanation, each light source module can be through the linear light source projects of optical fiber tube 215 its output light sources to one of guiding mechanism 214, and linear light source projects mechanism 214 can convert the testing light source that light source module casts out to linear light source and throw.
In the present embodiment; With three light source modules: red light source module 211, a blue-light source module 212 and a green light source module 213 formed a plurality of testing light sources describe; But not as limit, light source driver module 210 more can comprise infrared light supply module or ultraviolet source module.
The scan module 240 here is describing in order to the optical photography machine of linear scan; The camera lens viewpoint of this scan module 240 can be in alignment with the projected area of testing light source; And the picture that camera lens is obtained is included in the projected area; The captured picture of scan module 240 can with the projected area with area or smaller, but must exceed the length or the width (present embodiment refers to width or the length of circuit layout figure) of determinand.
The control module 231 of this control end 230 is carried out displacement for control transmission module 220 transmission determinands; Control light source driver module 210 is that testing light source to form ruddiness projected area 251 at this to drive red light source module 211 projection ruddiness by one of which light source module projection testing light source.
After transport module 220 was controlled, past the same direction transmission determinand that feed module 221 and rewinding module 222 can be synchronous in fact was promptly with same direction drive winding 10.
In this example, control module 231 obtains the captured instant image of its camera lens from scan module 240, and from instant image, judges first determinand 11 and whether got into ruddiness projected area 251 (or lens coverage).When control module 231 is judged first determinand 11 and got into ruddiness projected area 251, make 240 pairs of determinands of scan module (this routine described circuit layout figure) carry out linear scan, to produce a red light irradiation image.This picture material is after determinand receives red light source module 211 irradiation ruddiness, the situation of the ruddiness line reflection of generation.This red light irradiation image can be transferred to control end 230 by scan module 240, by 232 receptions of inference module.
Inference module 232 includes the more than one defective data of each determinand; The circuit layout specification that so-called defective data comprises the defective circuits figure or quantizes; Or both it, but not as limit, defective data more can comprise the model accompanying drawing that circuit board is accomplished configuration element.
Inference module 232 is when obtaining the red light irradiation image; Can according to one analyze rule with the red light irradiation image and above-mentioned in compare each other relevant for the defective data of the determinand of testing; To produce relevant comparison parameter; Include in one edge parameter, a luminance parameter, a sharpness parameter and the contrast level parameter group that at least one parameter is formed.
And according to different determinands, different light source module and different defects data, the parameter of analyzing each different character that rule comprised is to there being different pairing weights.In the present embodiment; Inference module 232 can be that the circuit layout road that is printed in winding 10, the condition of using red light source module 211, defective data to comprise are the sub-standard setting of distribution rule according to determinand, is the pairing weight of this environment of correspondence with each parameter adjustment of analyzing rule.Each parameter that reasoning module will before be compared out and the pairing of adjusted pairing weight are calculated, to calculate a quality mark.In this explanation, so-called quality mark refers to the content of image after inference module 232 is analyzed, the close degree of image and defective data.In present embodiment, inference module 232 can calculate the quality mark of red light irradiation image, to learn red light irradiation image and defective data degree of approximation.
When the instant image that control module 231 provides according to scan module 240 is judged first determinand 11 through behind the ruddiness projected area 251, the testing light source of toggle lights driver module 210 projections.In the present embodiment, it is that testing light source is to form blue light projected area 252 with the projection blue light that control module 231 makes light source driver module 210 drive blue-light source module 212.
Please with reference to Fig. 4, when control module 231 is judged second determinand 12 and got into blue light projected area 252, make 240 pairs of determinands of scan module carry out linear scan, to produce a blue light illumination image.This picture material is after determinand receives blue-light source module 212 irradiation blue lights, the situation of the blue light line reflection of generation.This blue light illumination image can be transferred to inference module 232 by scan module 240.
Inference module 232 is when obtaining the blue light illumination image; Can according to one analyze rule with the blue light illumination image and above-mentioned in compare each other relevant for the defective data of the determinand of testing; To calculate a quality mark, to learn blue light illumination image and defective data degree of approximation.
When the instant image that control module 231 provides according to scan module 240 is judged second determinand 12 through behind the projected area, the testing light source of toggle lights driver module 210 projections.In the present embodiment, control module 231 makes light source driver module 210 drive green light source module 213 to throw the green glow testing light source to form green glow projected area 253.
Please with reference to Fig. 5, when control module 231 is judged the 3rd determinand 13 and got into green glow projected area 253, make 240 pairs of determinands of scan module carry out linear scan, to produce green glow irradiation image.This picture material is after determinand receives green light source module 213 irradiation green glows, the situation of the green light rays reflection of generation.This green glow irradiation image can be transferred to inference module 232 by scan module 240.
Inference module 232 is when obtaining green glow irradiation image; Can according to one analyze rule with green glow is shone image and above-mentioned in; Defective data relevant for the determinand of testing is compared each other, to calculate a quality mark, to learn green glow irradiation image and defective data degree of approximation.
Control end 230 is after judging that all testing light sources all throw; Inference module 232 can be selected a mark best in quality from all quality marks; Image and defective data under the mark best in quality are the most close; Control end 230 will be in order to the light source module that produces the image under the mark best in quality as the exclusive test light source module of this determinand through control module 231, and its testing light source that projects is test light source.
In this explanation, in the present embodiment, transport module 220 is when driving winding 10; The control that can make tension force, locate and seek the limit simultaneously to winding 10; If the rewinding behavior is carried out in winding 10, transport module 220 has deviation for the various controls of winding 10, causes the circuit layout figure in the winding 10 to be out of shape.Therefore when doing light source preparation setting, only can carry out the pan feeding behavior, promptly need utilize a circuit layout figure, with regard to present embodiment, need three circuit layout figure of cost just can calculate the light source that this determinand is suitable for so per minute is analysed a kind of light source.
Please with reference to Fig. 6, it is the Organization Chart of another embodiment that selects system for use of detection light source of the present invention, please be beneficial to understand with reference to Fig. 2 and Fig. 3 simultaneously.Present embodiment is different with embodiment shown in Figure 3 be in, determinand is rigid circuit board 20 (also can be other rigid circuit component, dispose figuratum rigid object, not as limit), and selects for use the determinand of test only to need one in order to carry out testing light source.
In the present embodiment, transport module 220 has a travelling belt 224 and a glove module 223, and glove module 223 is in order to putting a determinand (being rigid circuit board 20) on travelling belt 224, but also can put a plurality of determinands, does not have any restriction.The control module 231 control transmission modules 220 transmission determinands of this control end 230 carry out displacement; Control light source driver module 210 throws ruddiness testing light sources to form ruddiness projected area at this to drive red light source module 211 by one of which light source module projection testing light source.
Judging determinand (being rigid circuit board 20) when having got into the ruddiness projected area when control module 231, is to make 240 pairs of determinands of scan module carry out linear scan, to produce a red light irradiation image.This picture material is after determinand receives red light source module 211 irradiation ruddiness, the situation of the ruddiness line reflection of generation.This red light irradiation image can be transferred to the inference module 232 in the control end 230 by scan module 240.
Inference module 232 is when obtaining the red light irradiation image; Can according to one analyze rule with the red light irradiation image and above-mentioned in compare each other relevant for the defective data of the determinand of testing; To calculate a quality mark, to learn red light irradiation image and defective data degree of approximation.
When the instant image that control module 231 provides according to scan module 240 judges that determinand is through behind the projected area; Control module 231 can make transport module 220 carry out rewinding when circuit board 20 (be used for only having rigid); Make determinand be retracted into ruddiness projected area 251 before, and make light source driver module 210 drive blue-light source modules 212 with projection blue light testing light source to form the blue light projected area.Control module 231 can make transport module 220 carry out the pan feeding behavior once more.
Judge determinand (being rigid circuit board 20) when having got into the blue light projected area when control module 231, make 240 pairs of determinands of scan module carry out linear scan, to produce a blue light illumination image.This picture material is after determinand receives blue-light source module 212 irradiation blue lights, the situation of the blue light line reflection of generation.This blue light illumination image can be transferred to inference module 232 by scan module 240.
Inference module 232 is when obtaining the blue light illumination image; Can according to one analyze rule with the blue light illumination image and above-mentioned in; Defective data relevant for the determinand of testing is compared each other, to calculate a quality mark, to learn blue light illumination image and defective data degree of approximation.
When the instant image that control module 231 provides according to scan module 240 judges that determinand is through behind the projected area; Control module 231 can make transport module 220 carry out rewinding; Determinand is retracted into before the blue light projected area, and makes light source driver module 210 drive green light source module 213 to throw the green glow testing light source to form the green glow projected area.Control module 231 can make transport module 220 carry out the pan feeding behavior once more.
When control module 231 is judged determinand and got into the green glow projected area, make 240 pairs of determinands of scan module carry out linear scan, to produce green glow irradiation image.This picture material is after determinand receives green light source module 213 irradiation green glows, the situation of the green light rays reflection of generation.This green glow irradiation image can be transferred to inference module 232 by scan module 240.
Inference module 232 is when obtaining green glow irradiation image; Can according to one analyze rule with green glow is shone image and above-mentioned in; Defective data relevant for the determinand of testing is compared each other, to calculate a quality mark, to learn green glow irradiation image and defective data degree of approximation.
Control end 230 is after judging that all testing light sources all throw; Inference module 232 can be selected a mark best in quality from all quality marks; Image and defective data under the mark best in quality are the most close; Control end 230 will be in order to the light source module that produces the image under the mark best in quality as the exclusive test light source module of this determinand through control module 231, and its testing light source that projects is test light source.
Please with reference to Fig. 7, Fig. 7 is the block scheme of another embodiment that selects system for use of detection light source of the present invention, different with embodiment shown in Figure 2 be in, present embodiment also comprises a photo-coupler 216.This photo-coupler 216 is disposed at the endpiece of each light source module output testing light source; Through optical fiber tube 215 guiding testing light source to photo-couplers 216; This photo-coupler 216 can let the testing light source of certain single wavelength or the composite light source of a few kinds of different wavelength that make up that are coupled be directed to same optical fiber tube 215; This optical fiber tube 215 is connected to above-mentioned linear light source projects mechanism 214, and this mechanism can convert the testing light sources in the optical fiber tube 215 to linear testing light source and focus on projection and form above-mentioned projected area.In this explanation, when photo-coupler 216 forms composite light sources, above-mentioned all light sources of coupling appoint both at least.
Please with reference to Fig. 8, it is the selecting method process flow diagram of the detection light source of the embodiment of the invention, please be beneficial to understand with reference to Fig. 2 to Fig. 7 simultaneously.This flow process is following:
At least one determinand (step S110) is provided, and as aforementioned, like Fig. 3 or Fig. 7, by a transport module 220 configurations one determinand, a control module 231 control transmission modules 220 are advanced with the transmission determinand.
Form a projected area, like step S120.As aforementioned; Light source driver module 210 includes more than one light source module; Control module 231 control light source driver modules 210; Make it from the light source of a plurality of different wavelength, select a testing light source to shine on the transmission path of the determinand that is transmitted, to form the projected area of corresponding this testing light source.Photo-coupler 216 can let the composite light source of different wavelength of the light source of certain single wavelength that light source driver module 210 provided or a few kinds of combinations that are coupled be directed to above-mentioned linear light sources projection mechanism 214, throws to focus on to convert light source to the line style testing light source to form above-mentioned projected area.In this explanation, shine in the testing light source of determinand and be selected from a red light source, a blue-light source, a green light source, a ultraviolet source, an infrared light supply, and by composite light source that above-mentioned at least two light sources were coupled to form.
When the projected area was passed in the determinand transmission, scan module 240 linear scan determinands produced the image that determinand is formed by this testing light source irradiation and scanning, like step S130.Control module 231 obtains the captured instant image of its camera lens from scan module 240, and from instant image, judges determinand and whether got into the projected area.
When control module 231 is judged determinand and got into the projected area, make 240 pairs of determinands of scan module carry out linear scan, to produce an image.This picture material is after determinand receives the light source module irradiation, the situation of the light reflection of generation.This image can be transferred to control end 230 by scan module 240, by 232 receptions of inference module.
Analyze the quality mark that rule calculates this image according to one, like step S140.As aforementioned, inference module 232 includes the more than one defective data of each determinand.
Inference module 232 is when obtaining this testing light source (like ruddiness) irradiation image; Can image and defective data be compared each other according to aforesaid analysis rule; To produce comparison parameter relevant more than, the comparison parameter can be and includes one edge parameter, a luminance parameter, a sharpness parameter and a contrast level parameter.
And inference module 232 will have corresponding its pairing weight of each parameter that comparison is come out now, calculate a quality mark, to learn image and defective data degree of approximation.
Judge whether each testing light source shines totally, like step S150.Control module 231 can judge whether required testing light source throwed all, and inference module 232 has obtained determinand by postradiation each image of required testing light source.
Judge that when control module 231 each testing light source does not shine totally, return step S120, the testing light source of projection is never appointed and is selected one of which and carry out the light source projects behavior.
When each testing light source shines totally, control module 231 will be according to the quality mark of each image, select the pairing testing light source of image under the mark best in quality, like step S151.As aforementioned; After required testing light source all throws; Inference module 232 can be selected a mark best in quality from all quality marks, image and defective data under the mark best in quality are the most close, and control module 231 will be to produce the light source module of the image under the mark best in quality; As the exclusive test light source module of this determinand, its testing light source that projects is test light source.
Though the present invention discloses as above with aforesaid preferred embodiment; Right its is not that any those of ordinary skill in the art is not breaking away from the spirit and scope of the present invention in order to qualification the present invention; The equivalence of doing to change with retouching is replaced, and still is in the claim protection domain of the present invention.

Claims (24)

  1. A detection light source select system for use, it comprises:
    One transport module is in order to transmit at least one determinand;
    One light source driver module comprises the testing light source of a plurality of different wavelength, and a testing light source of said a plurality of testing light sources is shone on the transmission path of said at least one determinand, to form a projected area;
    The one scan module is in order to the said at least one determinand of linear scan when said at least one determinand passes through this projected area, to produce a plurality of images that said at least one determinand is formed by each said testing light source irradiation and scanning respectively;
    One control module scans said at least one determinand in said at least one determinand through this projected area this scan module in season, and judges that said at least one determinand through behind this projected area, switches the testing light source of this light source driver module projection; And
    One inference module; At least one defective data that comprises said at least one determinand; This inference module is analyzed rule according to one each said image and said at least one defective data is compared; Calculating a quality mark of each said image, this corresponding testing light source of this image of selecting under the mark best in quality from said quality mark is a test light source.
  2. Detection light source as claimed in claim 1 select system for use, wherein the light source of this light source driver module is selected from the group that is made up of a red light source module, a blue-light source module, a green light source module, a ultraviolet source module and an infrared light supply module.
  3. Detection light source as claimed in claim 1 select system for use, wherein said at least one determinand is a pattern.
  4. Detection light source as claimed in claim 3 select system for use, wherein this pattern is a P.e.c. wiring diagram, this P.e.c. wiring diagram is arranged at a flexible circuit board or a hard circuit board.
  5. 5. detection light source as claimed in claim 1 selects system for use; Wherein this analysis rule comprises the parameter of a plurality of different character; Each said parameter is to there being a pairing weight, and this inference module calculates this quality mark of each said image with pairing according to said a plurality of parameters and this pairing weight.
  6. Detection light source as claimed in claim 5 select system for use, wherein said a plurality of parameters are selected from the group that is made up of one edge parameter, a luminance parameter, a sharpness parameter and a contrast level parameter.
  7. Detection light source as claimed in claim 1 select system for use, it also comprises a photo-coupler, be coupled any at least two of said a plurality of light sources of this photo-coupler are to form a composite light source.
  8. Detection light source as claimed in claim 1 select system for use, wherein this projected area is linear.
  9. 9. the selecting method of a detection light source, it comprises:
    At least one determinand is provided;
    In a plurality of testing light sources, select a testing light source to shine on said at least one determinand;
    The said at least one determinand of linear scan is to produce the image that said at least one determinand is formed by this testing light source irradiation and scanning;
    Analyze the quality mark that rule calculates this image according to one;
    Judge whether said a plurality of testing light source shines totally;
    When judge that said a plurality of testing light sources do not shine totally, return this testing light source and select step; And
    When judge that said a plurality of testing light sources shine totally,, select the test light source of affiliated pairing this testing light source of this image of a mark best in quality for the scanning determinand according to the quality mark of each image.
  10. 10. the selecting method of detection light source as claimed in claim 9, wherein shining in the testing light source of said at least one determinand is a composite light source, this composite light source is the formation that is coupled of the light source of at least two different wavelength.
  11. 11. the selecting method of detection light source as claimed in claim 9, wherein said a plurality of testing light sources are selected from a red light source, a blue-light source, a green light source, a ultraviolet source, an infrared light supply, reach the light source by above-mentioned at least two light sources were coupled to form.
  12. 12. the selecting method of detection light source as claimed in claim 9, wherein said at least one determinand is a pattern.
  13. 13. the selecting method of detection light source as claimed in claim 12, wherein this pattern is a P.e.c. wiring diagram, and this P.e.c. wiring diagram is arranged at a flexible circuit board or a hard circuit board.
  14. 14. the selecting method of detection light source as claimed in claim 9, wherein this analysis rule comprises the parameter of a plurality of different character, and each parameter is to there being a pairing weight, and this quality mark of each image gets according to said a plurality of parameters and this pairing weight calculation.
  15. 15. the selecting method of detection light source as claimed in claim 14, wherein said a plurality of parameters are selected from the group that is made up of one edge parameter, a luminance parameter, a sharpness parameter and a contrast level parameter.
  16. 16. a detection light source select system for use, comprise:
    One light source driver module comprises the light source of a plurality of different wavelength, and to form a plurality of testing light sources, this light source driver module provides said a plurality of testing light source to shine on a determinand; The one scan module is in order to this determinand of linear scan, to produce a plurality of images that this determinand is formed by each testing light source irradiation and scanning; And
    One inference module; At least one defective data that comprises this determinand; This inference module is analyzed rule according to one each image and said at least one defective data is compared; Calculating a quality mark of each image, the corresponding testing light source of selecting under the mark best in quality from said a plurality of quality marks of image is a test light source.
  17. 17. detection light source as claimed in claim 16 select system for use; Wherein this analysis rule comprises the parameter of a plurality of different character; Each said parameter is to there being a pairing weight, and this inference module calculates the quality mark of each image with pairing according to said a plurality of parameters and this pairing weight.
  18. 18. detection light source as claimed in claim 17 select system for use, wherein said a plurality of parameters are selected from the group that is made up of one edge parameter, a luminance parameter, a sharpness parameter and a contrast level parameter.
  19. 19. detection light source as claimed in claim 16 select system for use, wherein the multiple light courcess of this light source driver module is selected from the group that is made up of a red light source module, a blue-light source module, a green light source module, a ultraviolet source module and an infrared light supply module.
  20. 20. detection light source as claimed in claim 16 select system for use, wherein said a plurality of testing light sources are selected from a red light source, a blue-light source, a green light source, a ultraviolet source, an infrared light supply, and by light source that above-mentioned at least two light sources were coupled to form.
  21. 21. detection light source as claimed in claim 16 select system for use, wherein this determinand is a P.e.c. wiring diagram.
  22. 22. detection light source as claimed in claim 16 select system for use, it also comprises a photo-coupler, be coupled any at least two of said a plurality of light sources of this photo-coupler are to form a composite light source.
  23. 23. detection light source as claimed in claim 16 select system for use, wherein each testing light source shines and on this determinand, forms a projected area, this projected area is linear.
  24. 24. detection light source as claimed in claim 16 select system for use, it also comprises a control module, in order to switching the testing light source of this light source driver module, and drives this this determinand of scan module linear scan.
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