CN103674859B - A kind of digital B-D test judgement system - Google Patents
A kind of digital B-D test judgement system Download PDFInfo
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- CN103674859B CN103674859B CN201310539682.9A CN201310539682A CN103674859B CN 103674859 B CN103674859 B CN 103674859B CN 201310539682 A CN201310539682 A CN 201310539682A CN 103674859 B CN103674859 B CN 103674859B
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- 238000012360 testing method Methods 0.000 title claims abstract description 176
- 238000003384 imaging method Methods 0.000 claims abstract description 32
- 230000008859 change Effects 0.000 claims abstract description 24
- 238000004445 quantitative analysis Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000000985 reflectance spectrum Methods 0.000 description 14
- 239000000376 reactant Substances 0.000 description 10
- 230000001954 sterilising effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 230000002950 deficient Effects 0.000 description 6
- 238000006911 enzymatic reaction Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 230000004397 blinking Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003707 image sharpening Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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Abstract
The present invention relates to a kind of digital B-D test judgement system, it comprises: casing; Be arranged on described casing inner bottom part for placing the pallet of B-D test paper; Be fixedly connected on described casing inner top for taking the imaging device of pattern of described B-D test paper; Be fixedly connected on the annular light source of described imaging device bottom outer rim; Be connected to the seal apparatus of described casing inner top; Be arranged on the control panel in described casing; And with the computer of described control panel communication connection. The present invention is by adopting imaging device to take the pattern of B-D test paper, and color and the distribution consistency degree thereof of the effective color change interval to B-D test paper carries out quantitative analysis by computer, thereby accurately judge whether B-D test is qualified, and real-time storage judged result is for inquiry; In addition, the present invention also affixes one's seal clearly show test results on B-D test paper by seal apparatus according to B-D test result on B-D test paper, thereby has avoided the possibility of practicing fraud.
Description
Technical field
The present invention relates to a kind of digital B-D test judgement system.
Background technology
Bowie-Dick test (B-D test) is to name with the surname of its developer J.H.Bowie and J.Dick. This surveyExamination is generally used for assessing the dark vacuum sterilizer of single (singledeepvacuumsterilizers) and (goes out also referred to as high vacuumBacterium device (highvacuumsterilizers)) vacuum process, specifically, this test can be assessed inadequate vacuum shapeState, inadequate vacuum state means from air in sterilizer cabinet and gets rid of not exclusively or the gas leakage of the seal washer of door, thereby makesBecome air residual in sterilizer cabinet, these residual airs will stop steam to sterilizing in the steam exposure stage of sterilization processPenetrating of the interior article of device cabinet, thus sterilization quality reduced.
B-D test utilizes indicator paper (hereinafter referred to as the B-D test paper) variable color result (bag of B-D experimental test bag conventionallyDraw together the variable color degree of depth and the uniformity) whether qualified to judge that high-temperature steam infiltration sterilizing detects, specifically, B-D test paper is through high temperatureThe variation producing after heating is mainly reactant change color, and the effective color change interval of B-D test paper mainly comprises two parts, anti-Answer object area and enzyme reaction object area. The priming color of B-D test paper reactant is faint yellow, and high-temperature heating produces and becomes laterChange, by the faint yellow dark color that becomes, the color after changing is completely black; The color of enzyme reaction thing is white. When test paper color becomesChange when even, represent that sterilizing installation can normally use, otherwise, representing that sterilizing installation exists gas leak phenomenon, can not normally makeWith.
Present stage, mainly rely on human eye to judge whether color changeable effect reaches appointment mark to the judgement of above-mentioned B-D test paper variable colorStandard, belongs to subjective determination, and therefore B-D test job exists the possibility that operation is random, result is replaceable, practice fraud; And meatEasily there is situation about varying with each individual in eye, thereby cannot form unitized standard when color is distinguished; IndicatorWhether variable color is evenly equally also one of whether qualified important evidence of sterilizing, is to be only difficult to objective judgement with naked eyes, thisSituation has brought potential risk can to medical sterilization quality safety management; In addition, the storage means of existing test result and looking intoInquiry method is comparatively complicated, and main dependence by hand inquired about, and is therefore not easy to review and the control of B-D testing process.
Summary of the invention
The problem existing in order to solve above-mentioned prior art, the present invention aims to provide a kind of digital B-D test judgement and isSystem, to avoid artificial the judge subjectivity, the unstability that cause, B-D test is judged in the source of monitoring from sterilizing objective and accuratelyAs a result, and be convenient to inquire about test result.
The digital B-D test of one of the present invention judgement system, it comprises:
Casing;
Be arranged on described casing inner bottom part for placing the pallet of B-D test paper;
Be fixedly connected on described casing inner top for taking the imaging device of pattern of described B-D test paper, wherein, instituteState pattern and comprise the image of effective color change interval of described B-D test paper and the image of the barcode size or text field of described B-D test paper;
Be fixedly connected on the annular light source of described imaging device bottom outer rim;
Be connected to the seal apparatus of described casing inner top;
Be arranged on the control panel in described casing, it connects with described imaging device, annular light source and seal apparatus respectivelyConnect; And
With the computer of described control panel communication connection, it is on the one hand by imaging device described in described control panel controlOpen and close, and receive the pattern of the described B-D test paper of this imaging device output, thereby according to effective transformation region of described B-D test paperThe color of the effective color change interval of the image in territory to described B-D test paper and distribution consistency degree thereof carry out quantitative analysis and store correspondingB-D test result; It is on the other hand by the keying of annular light source described in described control panel control; Described in its another aspect certificateB-D test result is added a cover and is represented described B-D test knot by seal apparatus described in described control panel control on described B-D test paperThe corresponding printed words of fruit.
In above-mentioned digital B-D test judgement system, described computer comprises:
With the acquisition module that described control panel is connected, it is according to the triggering command of a control module output, by described controlMaking sheet is exported acquisition instructions to described imaging device, and gathers the pattern of the described B-D test paper of described imaging device output;
With the processing module that described acquisition module is connected, it is according to the image pair of effective color change interval of described B-D test paperThe color of effective color change interval of described B-D test paper and distribution consistency degree thereof carry out quantitative analysis and obtain described B-D test knotReally;
The marking module being connected with described processing module, it obtains for intuitively saying according to described B-D test result calculationsThe test paper mark of the judgement situation of bright described B-D test paper;
The reading code module being connected with described acquisition module, its image according to the barcode size or text field of described B-D test paper obtainsThe corresponding bar code information of described B-D test paper;
With described reading code module and the result pattern output module that is connected of marking module, its according to described test paper mark withAnd the bar code information of described B-D test paper stores the result pattern of the described B-D test result of corresponding expression, and store described one-tenthThe pattern of the described B-D test paper of picture device output; And
The described control module being connected with described control panel and described processing module, it is on the one hand by described control panelControl the keying of described annular light source; It covers described in described control panel control according to described B-D test result on the other handChapter device is added a cover the corresponding printed words that represent described B-D test result on described B-D test paper.
In above-mentioned digital B-D test judgement system, described judgement system also comprises and is fixedly connected on described casingThe warning device of inner top, it is connected with described control panel, described computer according to described B-D test result by described controlDescribed in plate control, warning device sends corresponding alarm song.
In above-mentioned digital B-D test judgement system, described warning device is buzzer.
In above-mentioned digital B-D test judgement system, described imaging device comprises CMOS camera and is threadedOptical lens below this CMOS camera.
In above-mentioned digital B-D test judgement system, described seal apparatus comprise electromagnet and with this electromagnetTwo pieces of seals that connect.
In above-mentioned digital B-D test judgement system, described annular light source is the LED light source that sends white light.
In above-mentioned digital B-D test judgement system, described pallet is tray drawn along axis type.
Owing to having adopted above-mentioned technical solution, the present invention takes the pattern of B-D test paper by employing imaging device,And color and the distribution consistency degree thereof of the effective color change interval to B-D test paper carries out quantitative analysis by computer, thereby accuratelyJudge whether B-D test is qualified, and real-time storage judged result is for inquiry; In addition, the present invention is also by seal apparatus basisB-D test result affixes one's seal clearly show test results on B-D test paper on B-D test paper, thereby has avoided the possibility of practicing fraudProperty.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of a kind of digital B-D test judgement system of the present invention;
Fig. 2 is the inner function module block diagram of Computer of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, and be described in detail.
As shown in Figure 1, the present invention, i.e. a kind of digital B-D test judgement system, it comprises:
Casing 1;
Be arranged on casing 1 inner bottom part for placing the tray drawn along axis type 2 of B-D test paper (not shown);
Be fixedly connected on casing 1 inner top for taking the imaging device of pattern of B-D test paper, wherein, pattern comprisesThe image of the barcode size or text field of the image of effective color change interval of B-D test paper and B-D test paper; In the present embodiment, imaging dressPut the optical lens 4 that comprises CMOS camera 3 and be threaded in these CMOS camera 3 belows by bayonet socket;
Be fixedly connected on the annular light source 5 of imaging device bottom outer rim (being optical lens 4), in the present embodiment, annularLight source 5 is for sending the LED light source of white light;
Be connected to the seal apparatus of casing 1 inner top, in the present embodiment, seal apparatus comprise electromagnet 7 and with thisTwo pieces of seals 8 that electromagnet 7 connects;
Be fixedly connected on the warning device 9 of casing 1 inner top, in the present embodiment, warning device 9 is buzzer;
Be arranged on the control panel 6 in casing 1, its respectively with CMOS camera 3, annular light source 5, the seal apparatus of imaging deviceAnd warning device 9 connects; And
With the computer that control panel 6 communicates to connect, it specifically comprises:
The acquisition module 11 being connected with control panel 6, the triggering command that it is exported according to a control module 12, passes through control panel6 to imaging device output acquisition instructions, and gathers the pattern of the B-D test paper of imaging device output;
The processing module 13 being connected with acquisition module 11, its image according to effective color change interval of B-D test paper tries B-DThe color of effective color change interval of paper and distribution consistency degree thereof carry out quantitative analysis and obtain B-D test result, specifically, and examinationThe variation of paper color is corresponding affects the variation of the transmitting flow that imaging device receives, the reactant that intensity of variation is different and enzymeThe transmitting flow difference of reactant is exactly the different reactant of intensity of variation and enzyme reaction thing specific to the result of imaging deviceThe color difference presenting, and defective test paper change color is inhomogeneous often, thereby the reactant region of a test paper isExisting different color, change color is inhomogeneous, otherwise, if change color evenly, represents test passes, therefore control dressPutting color by the effective color change interval to B-D test paper and distribution consistency degree thereof carries out quantitative analysis and can whether judge testQualified;
The marking module 14 being connected with processing module 13, it obtains for explanation B-D directly perceived according to B-D test result calculationsThe test paper mark of the judgement situation of test paper;
The reading code module 15 being connected with acquisition module 13, its image according to the barcode size or text field of B-D test paper obtains B-D examinationThe corresponding bar code information of paper;
With reading code module 15 and the result pattern output module 16 that is connected of marking module 14, its according to test paper mark andThe bar code information of B-D test paper is stored the result pattern of corresponding expression B-D test result, and stores the B-of imaging device outputThe pattern of D test paper; And
The control module 12 being connected with control panel 6 and processing module 13, it controls ring light by control panel 6 on the one handThe keying in source 5; It is controlled seal apparatus according to B-D test result by control panel 6 on the other hand and add a cover expression on B-D test paperThe corresponding printed words of B-D test result; Its another aspect is controlled warning device 9 according to B-D test result by control panel 6 and is sent phaseThe alarm song of answering.
In the present embodiment, CMOS camera 3 by miniUSB line by clap Digital Image Transmission to control device, forObtain reflectance spectrum strength information, the CMOS camera 3 of use possesses wide spectral response characteristic; Optical lens 4 is for by B-D test paperThe light of reflection converges to CMOS camera 3 for taking pictures; Annular light source 5 is fixed on around optical lens 4, thereby can transmitting whiteEvenly to illuminate B-D test paper; Electromagnet 7, for seal 8 provides power, connects by light plastic bar between electromagnet 7 and seal 8Connect, thereby play gearing, two pieces of seals 8 are printed on respectively " YES " and " NO " two kinds of printed words, after each B-D test paper judgement,Under the control of computer and control panel 6, affix one's seal on B-D test paper according to B-D test result, qualified B-D test paper lid " YES ",Otherwise lid " NO "; Warning device 9 sends different sound with reminding user according to each B-D test result, for example, and when judging B-When D test paper is qualified, ring cipher twice when defective; Control panel 6 is positioned at casing 1 rear portion, after dismountable casing 1Plate, and vertically place, on it, be welded with control chip and control components and parts etc.; Computer and control panel 6 are undertaken by Serial Port LineCommunication; The miniUSB line of CMOS camera 3, the Serial Port Line of control version 6 are integrated on a USB line by a USBHub, this rootRealize with the communication of computer and be connected thereby USB line is connected on computer.
The course of work of the present invention is as follows:
Each connection that uses the front checkout facility of this judgement system, comprises power supply, USB line etc.; After equipment connection completes, openMove judgement system, start the power knob of judgement system top; After control panel is connected with computer, control module sends and refers toMake (0xaa) test initialization whether correct, if there is no return of value, illustrate that USB line does not connect or USB mouth arranges mistake,Computer ejects prompt window and points out; If return to dissimilar return of value (0xbb), illustrate that USB line correctly connectsConnect, and com port arranges correctly, but power knob not yet open, computer pop-up window is pointed out; If return similarThe return of value (0xaa) of type, illustrates that USB line connects, and COM arranges correctly, and power knob is also opened, and initializes complete.
After initialization, control module send instruction (0x01) to control panel to open annular light source, thereby prepare intoThe shooting of row B-D test paper to be measured; Now, extract pallet out, B-D test paper to be detected is put into pallet upward, then by palletPush casing; When test paper to be measured on test paper pallet, place complete and pushed machine intimate after, pass through control moduleTriggering collection module, makes acquisition module send acquisition instructions to COMS camera, and CMOS camera is to its response and gather B-D to be measuredThe pattern of test paper, the pattern of the B-D test paper to be measured collecting is admitted to processing module and reading code module; After taking pictures, controlModule is closed annular light source by control panel.
Four angular zones of the pattern of reading code module to B-D test paper detect, and the region that bar code detected is carried outIntercept, and the bar code area area image intercepting is carried out to the processing such as image binaryzation, image sharpening, finally to bar shaped after treatmentThe bar code pattern of code in region reads, and obtains being shown to after bar code information " the test paper information of computer interface" in frame.
Processing module intercepts the effective color change interval in the pattern of B-D test paper to be measured, and to the effective color change interval interceptingImage carries out the operations such as relative reflectance spectrum calculating, obtains judged result by " reflectance spectrum uniformity relatively " algorithm; Specifically, " reflectance spectrum uniformity relatively " algorithm is according to ISO11140-3-2007 and ISO11140-4-2007 standard, by dividingThe uniformity of phase separation to reflectance spectrum intensity and in conjunction with secondary decision mechanism realize to chemical indicator change color quantitatively pointAnalyse, and finally obtain whether high-temperature steam infiltration detection B-D test is passed through and concrete score (50 points are above is qualified), itsIn:
" reflectance spectrum intensity relatively " is defined as: its physical essence of the change color of chemical indicator is in fixing incidentThe variation of absorption spectrum or the variation of reflectance spectrum under optical condition, it is anti-that the imaging device in the present invention can obtain chemical indicatorPenetrate the information of spectral intensity. Under fixing incident illumination condition, ΦcRepresent that Zhong Mou position, the test paper space chemistry detecting refers toShow the reflectance spectrum intensity of agent, ΦceRefer to the reflectance spectrum intensity from closing on enzyme reaction thing (non-transformation region), " reflection relativelySpectral intensity " be defined as follows:
DRf=-log10Rf
Rf=Φc/Φce
Wherein, DRfFor (unchanged) reactant of variation and the associated reflections density of enzyme reaction thing;
High-temperature steam infiltration detects in B-D test, and on test paper, the variation of the relative reflectance spectrum intensity of chemical indicator is evenProperty be to judge the leading indicator whether passed through of test. Here " uniformity " refers under fixing incident illumination condition, reverberationWhether the component of spectrum in particular range of wavelengths meets the uniformity condition of following " one-level judgement " and " secondary judgement ";
" one-level judgement " refers to the relative reflectance spectrum intensity to each pixel of chemical indicator region in test paper planeChange and add up, for 350nm～450nm, 450nm～550nm, tri-wave-length coverages of 550nm～650nm, pass through respectivelyWhether the method that weighting is rebuild, exceed the threshold range of setting with the standard deviation STD of the relative reflectance spectrum intensity of all pixelsJudge. This threshold range is [STDmin，STDmax], if STD is less than STDminJudge B-D pass the test, and according toThe value of STD is determined score (being greater than 60 points); If STD is greater than STDmaxJudge that B-D test is defective, and determine according to the value of STDScore (being less than 40 points);
" secondary judgement " refers to that situation that cannot be definite for " one-level judgement " (is that STD is in threshold range [STDmin，STDmax] in), for 350nm～450nm, 450nm～550nm, tri-wave-length coverages of 550nm～650nm, rebuild by weightingMethod, all pixel distribution in chemical indicator region are carried out to statistic histogram analysis, use normal distribution matching actual systemCount, whether meet threshold condition according to the coefficient of skewness in fitting parameter (Skewness) and coefficient of kurtosis (Kurtosis)Judge whether B-D test is qualified, determine to obtain (40～60 points of score values according to the weighted value of the coefficient of skewness and coefficient of kurtosis simultaneouslyBetween).
Marking module is calculated in processing module is judged to be to call processing procedure after qualified or defective to B-D test paperNumerical value, for example in distribution of color Uniformity Analysis calculates reactant region each pixel RGB component standard deviation of calculating orThe reactant area pixel distribution histogram analysis result of person in pixel distribution histogram analysis is calculated, calculates number according to theseValue is calculated and is obtained a test paper mark that scope is 0～100, and for test paper judgement situation is described intuitively, and this test paper dividesNumber as a result of output, be presented at computer interface " test paper mark is " in a hurdle.
Processing module obtains this B-D test paper pair to be measured after the pattern of B-D test paper to be measured is processed through series of computationThe test result of answering: (1), if test paper is judged to be when qualified, control module sends command adapted thereto (0x03), makes buzzer ring oneInferior, green light flicker 1 time, successfully receives return of value of the same type (0x03) if operate; (2) defective if test paper is judged to be, controlMolding piece sends command adapted thereto (0x04), and buzzer is rung 2 times, and blinking red lamp 1 time, successfully receives of the same type if operateReturn of value (0x04); (3) if Equipment Inspection such as, to abnormal (CMOS camera cannot take etc.) in decision process, control module is sent outGive another instruction (0x05), buzzer is rung 4 times, blinking red lamp 4 times, successfully receives return of value of the same type if operate(0x05); In addition, if result of determination is qualified, control module also sends instruction (0x06), makes electromagnet response, and seal is existedOn B-D test paper, cover " YES " printed words, return to description operation success of return of value of the same type (0x06); If result of determination is not forQualified, control module sends another instruction (0x07), makes electromagnet response, and makes another seal on B-D test paper, cover " NO "Printed words, return to description operation success of return of value of the same type (0x07).
The pattern of the B-D test paper that process is judged is admitted in result pattern output module, and judgement each time all can be at meterUnder the specified path of calculation machine, export two patterns, and with whether qualified (test paper mark), bar code information, detects the conducts such as dateThe preservation title of these two patterns, wherein, a pattern is that CMOS camera is taken and the corrected B-D test paper of process light fieldOriginal pattern, another is treated result pattern, if test paper distribution of color Uniformity Analysis calculate after be judged toBe decided to be in underproof situation, processing module is preserved after the defective part in the reactant region of pattern is filled with redness, itsThe processing pattern that remaining situation is preserved is visually consistent with test paper original pattern.
In sum, the present invention is by high-precision reflectance spectrum imaging device, annular light source and reliable communication equipmentMake and pass through " reflectance spectrum uniformity relatively " Algorithm Analysis, having realized the quantitative judgement of B-D test chemical indicator with automaticFractional analysis, the present invention possesses high reliability and highly sensitive feature, can effectively make up conventional macroscopic observe pass judgment on deficiency itPlace, as: human eye vision illusion, resolution ratio are not high, experience dependence is strong, cannot quantitatively wait, and the present invention also can review with institute's sense and beSystem combination, carries out Continuous Tracking, monitoring and early warning to the performance state of sterilizing pan.
Above-described, be only preferred embodiment of the present invention, not in order to limit scope of the present invention, of the present invention onStating embodiment can also make a variety of changes. Be that every claims according to the present patent application and description are doneSimply, equivalence changes and modifies, and all falls into the claim protection domain of patent of the present invention. The present invention is being of detailed description notRoutine techniques content.
Claims (5)
1. a digital B-D test judgement system, is characterized in that, described judgement system comprises:
Casing;
Be arranged on described casing inner bottom part for placing the pallet of B-D test paper;
Be fixedly connected on described casing inner top for taking the imaging device of pattern of described B-D test paper, wherein, described figureSample comprises the image of effective color change interval of described B-D test paper and the image of the barcode size or text field of described B-D test paper;
Be fixedly connected on the annular light source of described imaging device bottom outer rim;
Be connected to the seal apparatus of described casing inner top, this seal apparatus comprise electromagnet and be connected with this electromagnet twoPiece seal;
Be arranged on the control panel in described casing, it is connected with described imaging device, annular light source and seal apparatus respectively;
With the computer of described control panel communication connection, it is opening by imaging device described in described control panel control on the one handClose, and receive the pattern of the described B-D test paper of this imaging device output, thereby according to effective color change interval of described B-D test paperThe effective color change interval of image to described B-D test paper color and distribution consistency degree carries out quantitative analysis and storage is correspondingB-D test result; It is on the other hand by the keying of annular light source described in described control panel control; Its another aspect is according to described B-D test result is added a cover and is represented described B-D test result by seal apparatus described in described control panel control on described B-D test paperCorresponding printed words;
Be fixedly connected on the warning device of described casing inner top, it is connected with described control panel, described computer according to described inB-D test result is sent corresponding alarm song by warning device described in described control panel control;
Wherein, described computer comprises:
With the acquisition module that described control panel is connected, it is according to the triggering command of a control module output, by described control panelExport acquisition instructions to described imaging device, and gather the pattern of the described B-D test paper of described imaging device output;
With the processing module that described acquisition module is connected, its according to the image of effective color change interval of described B-D test paper to describedThe color of effective color change interval of B-D test paper and distribution consistency degree thereof carry out quantitative analysis and obtain described B-D test result;
The marking module being connected with described processing module, it obtains for the institute that illustrates directly perceived according to described B-D test result calculationsState the test paper mark of the judgement situation of B-D test paper;
The reading code module being connected with described acquisition module, described in its image according to the barcode size or text field of described B-D test paper obtainsThe corresponding bar code information of B-D test paper;
With the result pattern output module that described reading code module and marking module are connected, it is according to described test paper mark and instituteState the bar code information of B-D test paper and store the result pattern of the described B-D test result of corresponding expression, and store described imaging dressPut the pattern of the described B-D test paper of output; And
The described control module being connected with described control panel and described processing module, it is on the one hand by described control panel controlThe keying of described annular light source; Its on the other hand according to described B-D test result by the dress of affixing one's seal described in described control panel controlPut and on described B-D test paper, add a cover the corresponding printed words that represent described B-D test result.
2. digital B-D test judgement system according to claim 1, is characterized in that, described warning device is buzzingDevice.
3. digital B-D test judgement system according to claim 1, is characterized in that, described imaging device comprisesCMOS camera and be threaded in the optical lens of this CMOS camera below.
4. digital B-D test judgement system according to claim 1, is characterized in that, described annular light source is for sendingThe LED light source of white light.
5. digital B-D test judgement system according to claim 1, is characterized in that, described pallet is drawing and pulling type holderDish.
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| CN102128830A (en) * | 2010-12-16 | 2011-07-20 | 中国检验检疫科学研究院 | Immunochromatographic test paper strip color signal quantitative detector |
| CN202350979U (en) * | 2011-10-28 | 2012-07-25 | 上海感信信息科技有限公司 | BD (Bowie-Dick) test pack |
| CN203025092U (en) * | 2012-12-18 | 2013-06-26 | 上海汉谱光电科技有限公司 | Test paper analyzer |
| CN103308676A (en) * | 2013-05-31 | 2013-09-18 | 中国科学院上海光学精密机械研究所 | Gold strip reader and detection method |
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