CN102147617B - Control method of detection system - Google Patents
Control method of detection system Download PDFInfo
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- CN102147617B CN102147617B CN201010301220XA CN201010301220A CN102147617B CN 102147617 B CN102147617 B CN 102147617B CN 201010301220X A CN201010301220X A CN 201010301220XA CN 201010301220 A CN201010301220 A CN 201010301220A CN 102147617 B CN102147617 B CN 102147617B
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Abstract
A control method of a detection system comprises the steps that a single infrared detection unit generates a detecting signal after detecting an object on a bearing disc; a control unit receives the detecting signal and generates a first control signal and a second control signal according to the detecting signal; a detecting unit receives the first control signal, detects the object at a first time according to the first control signal, and generates a detecting result; and a classification unit receives the second control signal and classifies the object to a specific part at a second time according to the second control signal and the detecting result. The method disclosed by the invention can judge the appearance of objects exactly and enables a detection device and a classification device of the detection system to act exactly.
Description
Technical field
The present invention relates to the control method of a kind of control method, particularly a kind of detection system.
Background technology
Detection system is one of indispensable important procedure in the processing procedure in modern times, and it can guarantee the quality of the product of each production procedure manufacturing.Through after the detection of detection system, can produce two kinds of situations of normal article and faulty materials usually, therefore must classify to it again.
In detection system, general pick-up unit commonly used is image capture units such as camera, and the class of fit device is made product differentiation with the product after will detecting according to testing result again.Generally speaking; Because transmission course possibly cause the spacing between the object inconsistent, and in order can be accurately the normal object of article and faulty materials to be classified, pick-up unit can be provided with detector (sensor) with after detecting object and passing through usually; Counter values wherein will increase in order; Arrive with the detecting object and also have detector at sorter, identical ground, the numerical value of the counter of sorter also can detect the result of object and increase in order according to detector.Pick-up unit can according to testing result with and the numerical value of counter inform sorter when its counter arrives relative numerical value, must be with object classification in normal article or faulty materials.
Yet the counter of section and arrangement for detecting must be confirmed synchronously and generations that can not make mistakes in front and back, and leakage inductance is surveyed if the counter error is arranged, and fail real-time repaying again to slip up, and certainly will cause last classification results mistake.Illustrate; Suppose that pick-up unit is detecting that the 50th object has flaw and must be classified into faulty materials recovery place the time; And postpone repayment if counter is failed real-time repaying for some reason and given sorter this moment, causes the counter values of counter values and sorter of pick-up unit variant; Then sorter may be with the 51st object classification to faulty materials recovery place, and the 50th object defective then is classified in the normal article.Thus, with causing last quality very different.
In addition, when detector for some reason leakage inductance answer passing through of object, or think impurity by mistake to be the object that will respond to, also can cause last sorting result wrong.
Summary of the invention
The object of the invention is that a kind of accurately appearance of judgment object is provided, and can make the control method of the detection system of pick-up unit and sorter correct operation.
For reaching above-mentioned purpose, the control method according to a kind of detection system of the present invention comprises the following step:
Step S01, by producing a detection signal after the object of single ultrared sensing unit on detecting carrier;
Step S02, receive this detection signal, and produce one first controlling signal and one second controlling signal according to this by a control module;
Step S03, receive this first controlling signal, and detect this object in a very first time, and produce a testing result according to this first controlling signal by a detecting unit; And
Step S04, receive this second controlling signal, and according to this second controlling signal and this testing result by a taxon, in one second time with this object class to specific place.
According to one of the present invention embodiment, wherein control module is according to a rotary speed signal of carrier and detection signal and calculate first controlling signal and second controlling signal.In addition, according to one of the present invention embodiment, the testing result that wherein detecting unit produced directly is sent to taxon, or after being sent to control module, by control module testing result is sent to taxon again.
Hold the above; Because of using single object ultrared sensing unit according to the control method of a kind of detection system of the present invention; And according to detection signal and transfer rate calculate the representative time with apart from the controlling signal of correlation parameter, and make detecting unit and the taxon can be at correct time point detection object or object of classification.Thus, can avoid in the known technology causing the situation of rolling counters forward error because of the detector fault.
Description of drawings
Fig. 1 is the process flow diagram of the control method of the detection system of preferred embodiment of the present invention.
Label declaration:
Step S01～step S04: the control method step of detection system
Embodiment
Below will the control method of a kind of detection system of the present invention be described with reference to correlative type, wherein identical assembly will be explained with identical reference marks.
At first be noted that; The control method of the detection system of preferred embodiment of the present invention; Wherein detection system is for example for utilizing image capture unit (camera, video camera ... Deng) image of acquisition one object to be measured, compare to institute's picked image and preset image with processor again, and then calculate object under test and be normally article or faulty materials; By a taxon object is sorted out according to testing result to the concentrated place of normal article more at last, or sorted out to the concentrated place of faulty materials.Be noted that in addition to be measured to as if by a transmission disk and being transmitted by a feeding end, and object to be measured is placed on the carrier, it passes through image capture unit and taxon in regular turn.
Then, please with reference to shown in Figure 1, the control method of a kind of detection system of preferred embodiment of the present invention comprises step S01 to step S04.
Step S01 is by producing a detection signal after the object of single (single) object detecting unit on detecting carrier.In the present embodiment; Object detecting unit for example is the ultrared sensing unit, and only uses single object detecting unit to detect the appearance of object under test; Owing to need not handle the stationary problem between most detecting units, control easily so be difficult for makeing mistakes.
Step S02 receives detection signal by a control module, and produces one first controlling signal and one second controlling signal according to this.In the present embodiment; Control module for example is microprocessor (micro processor) or is CPU (CPU); Wherein first controlling signal and second controlling signal can be exported at different time, also can in signal, comprise time sequence information and output synchronously.
Step S03 receives first controlling signal by a detecting unit, and according to first controlling signal in a very first time detected object, and produce a testing result.In the present embodiment; Detecting unit for example comprises camera; Certainly it also can comprise video camera or other photosensory assembly, and its fundamental purpose is the outward appearance of record object, and can comprise a plurality of cameras, video camera or other photosensory assembly in the detecting unit; Or the combination of those assemblies, do not limit in this.
What deserves to be mentioned is that in the present embodiment, detecting unit also optionally includes a processor, after after capturing the object image, further comparing the outward appearance of object to be measured and preset object, produce testing result.Certainly, detecting unit and control module can be integrated into single unit, and behind the detecting unit pick-up image, are directly compared and computing by control module, to produce testing result.
Step S04 receives second controlling signal by a taxon, and according to second controlling signal and testing result, in one second time with object class to specific place.In the present embodiment, specific place comprises collection place of normal article, faulty materials collection place and recovery place.Wherein, the effect of recovery place is seasonable when the object detecting unit leakage inductance, and because of not informing the taxon action, therefore the least significant end in taxon is provided with recovery place, to collect this class object.
Aforesaid control method, the servo motor of also can arranging in pairs or groups moves, and wherein servo motor is to drive carrier to rotate to transmit object to be measured.The actuation time that control module can calculate detecting unit and taxon by the rotating speed and the distance between each station of servo motor; It can obtain some actuation time of detecting unit and/or taxon for example with the rotating speed of the distance between each station divided by servo motor.Below, illustrate the acquisition mode of first controlling signal and second controlling signal.The preparation method of first controlling signal is to calculate first controlling signal by control module according to the distance between servo motor rotating speed and object detecting unit and detecting unit.The preparation method of second controlling signal is according to the rotating speed of servo motor and the distance between detecting unit and taxon and calculate second controlling signal by control module; Also can be by control module according to the rotating speed of servo motor and the distance between object detecting unit and taxon and calculate second controlling signal.
In addition; The transmission of above-mentioned testing result also can be divided into two kinds of transfer modes, and one of which is the testing result that detecting unit produced, be sent to control module after; Be sent to taxon by control module again, another directly is sent to taxon for detecting unit with the testing result that it produced.Moreover control module also can be controlled each unit that needs control in other processing procedure simultaneously except control detection unit and taxon, for example control motor rotary speed or other machining cell etc.
In sum; Because of the control method according to the present invention's detection system is used the single object detecting unit; And calculate representative time and controlling signal according to the distance between the rotating speed of carrier and each station, and make detecting unit and the taxon can be at correct time point detection object or object of classification apart from correlation parameter.Thus, can avoid in the known technology causing the situation of rolling counters forward error because of the detector fault.
Claims (7)
1. the control method of a detection system is characterized in that comprising the following step:
Step S01, by producing a detection signal after the object of single ultrared sensing unit on detecting carrier;
Step S02, receive this detection signal, and produce one first controlling signal and one second controlling signal according to this by a control module;
Step S03, receive this first controlling signal, and detect this object in a very first time, and produce a testing result according to this first controlling signal by a detecting unit; And
Step S04, receive this second controlling signal, and according to this second controlling signal and this testing result by a taxon, in one second time with this object class to specific place.
2. the control method of detection system according to claim 1 is characterized in that, this carrier is by a servo motor driven.
3. the control method of detection system according to claim 2 is characterized in that, this control module is according to the rotating speed of this servo motor and the distance between this ultrared sensing unit and this detecting unit and calculate this first controlling signal.
4. the control method of detection system according to claim 2 is characterized in that, this control module is according to the rotating speed of this servo motor and the distance between this detecting unit and this taxon and calculate this second controlling signal.
5. the control method of detection system according to claim 2 is characterized in that, this control module is according to the rotating speed of this servo motor and the distance between this ultrared sensing unit and this taxon and calculate this second controlling signal.
6. the control method of detection system according to claim 1 is characterized in that, the testing result that this detecting unit produced, be sent to this control module after, be sent to this taxon by this control module again.
7. the control method of detection system according to claim 1 is characterized in that, this detecting unit is sent to this taxon with the testing result that it produced.
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| CN201010301220XA CN102147617B (en) | 2010-02-04 | 2010-02-04 | Control method of detection system |
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| CN201010301220XA CN102147617B (en) | 2010-02-04 | 2010-02-04 | Control method of detection system |
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| CN102147617A CN102147617A (en) | 2011-08-10 |
| CN102147617B true CN102147617B (en) | 2012-10-31 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638920Y (en) * | 2003-08-06 | 2004-09-08 | 雷特国际股份有限公司 | Image detection device for processed article |
| CN101593019A (en) * | 2008-05-28 | 2009-12-02 | 云辰电子开发股份有限公司 | The control method of electronic device of utilization ultrared sensing |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2638920Y (en) * | 2003-08-06 | 2004-09-08 | 雷特国际股份有限公司 | Image detection device for processed article |
| CN101593019A (en) * | 2008-05-28 | 2009-12-02 | 云辰电子开发股份有限公司 | The control method of electronic device of utilization ultrared sensing |
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