CN104897070B - Process the detection method of object base specification - Google Patents
Process the detection method of object base specification Download PDFInfo
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- CN104897070B CN104897070B CN201410080865.3A CN201410080865A CN104897070B CN 104897070 B CN104897070 B CN 104897070B CN 201410080865 A CN201410080865 A CN 201410080865A CN 104897070 B CN104897070 B CN 104897070B
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Abstract
The present invention provides a kind of detection method for processing object base specification, suitable for the object of tabular.The detection method uses a photographic goods, definition has at least two reference points on the object, the photographic goods have at least two forms, each definition has a check point in those forms, and respectively cover in the drop shadow spread of those forms and have the reference point, respectively the reference point in the form is corresponding each other with the check point;The detection method of present invention processing object base specification is to use a numerical simulation technology, simulate the situation that the object is located at optimal Working position, and the distance by those reference points when the object is located at the optimal process position between corresponding check point, judge whether the object meets the base specification for carrying out subsequent correction and processing.
Description
Technical field
The present invention is related with processing method;Particularly relate to a kind of detection method for processing object base specification.
Background technology
With the development of processing technology, object is placed on gauge or board more, then imposes automatic flow to be bored
The processing action such as hole or part installation;For as circuit board one kind by pickling, etching the methods of laid circuit line in advance
Object, has the difference of size or shape due to common between each object, if fail properly correction object position, just rashly into
Row processing, it is likely that circuit line can be caused not turn on, or the situations such as part contact is unjustified, cause processing to fail, waste into
This.
To avoid these situations, industry has a variety of object bearing calibrations, is intended to ensure that each object has together
Deng calibration standard, with ensure process after finished product function all as expected.These bearing calibrations are mostly to utilize an adjusting apparatus
Position of the object on gauge or board is adjusted, but size or the excessive object of form error occur once in a while, that is, is not inconsistent
The base specification required by process requirements is closed, such a object is corrected, all can not effectively processed anyway, therefore should be straight
Connect and abandon.Simply, after usual object will be actually passed through correction, can just discover whether not meeting base specification so that production line must
The unnecessary time must be spent, attempts to correct these unserviceable objects at all, increases time cost in rain.
The content of the invention
In view of this, it is an object of the invention to provide a kind of detection method for processing object base specification, can quickly sentence
Whether disconnected object meets the base specification suitable for processing.
In order to achieve the above objectives, the detection method of processing object base specification provided by the present invention is applied to plate-like
An object, to judge whether the object meets a base specification for being adapted for subsequent correction and processing, the object is advance
An initial position is placed in, object definition there are at least two reference points, which includes the use of a photographic goods, the photography
Equipment has at least two forms, and respectively covering in the drop shadow spread of those forms has the reference point, and is respectively defined in those forms
Have a check point, respectively the reference point in the form is corresponding each other with the check point, wherein respectively the reference point with its corresponding to
Distance definition of the check point on a projection plane is an offset distance of the respectively reference point, which includes following step
Suddenly:Using a numerical simulation technology, the definition of the situation that the object is moved to a correction position, the wherein correction position is simulated,
Refer to when the object is located at the correction position, the quadratic sum of the respectively offset distance of those reference points is minimum;Compare those
Offset distance and a threshold value, judge whether the object meets the base specification whereby.
Effect of the invention is that, it is not necessary to actually it is corrected, just can quickly judges whether object meets suitable for processing
Base specification.
Brief description of the drawings
Fig. 1 is the application environment schematic diagram of the detection method of present invention processing object base specification;
Fig. 2 is the enlarged diagram of the one of form of application environment of Fig. 1, discloses object and is located at initial position;
Fig. 3 is the flow chart of the detection method of present invention processing object base specification;
Fig. 4 is another enlarged diagram of the same forms of Fig. 2, discloses object and is simulated and be located at correction position.
【Symbol description】
10 objects;
12 reference points;
20 forms;
22 check points;
24 coordinate systems.
Embodiment
For that can be illustrated more clearly that the present invention, now lift preferred embodiment and coordinate attached drawing detailed description as follows.The present invention adds
The detection method of work object base specification is suitable for the object of tabular, to judge whether the object meets a base specification, this
Locate described base specification, refer to that the object for meeting the base specification can carry out follow-up correction and processing action, and produce
The processed finished products gone out have effects that expected.The detection method includes the use of a photographic goods, and conjunction is first chatted bright.
Please refer to Fig.1 and Fig. 2, one embodiment of the present invention be an object 10 by correction object, on the object 10 calmly
Justice has four reference points 12, is formed by the both sides extension intersection at each end angle of the object 10;The photographic goods have four
Form 20, respectively covering in the drop shadow spread of those forms 20 has the reference point 12, and those forms 20 all define a correction
Point 22, and the check point 22 can not be moved relative to the form 20, respectively the reference point 12 in the form 20 and the check point 22
Correspond to each other.
Those forms 20, which respectively define, a coordinate system 24, and respectively the check point 22 defined in the form 20 is in the present embodiment
Definition mode for the origin of the coordinate system 24, but the check point 22 is not limited thereto, in other embodiments, the check point
22 can also be disposed other than the position of origin;Since the check point 22 and the reference point 12 are all located on the coordinate system 24, therefore
The check point 22 has one first coordinate value (X1, Y1), which also has one second coordinate value (X2, Y2).The respectively ginseng
The check point 22 is mutually separated with a distance to examination point 12 naturally on a projection plane with corresponding one, which is the respectively reference
One offset distance of point 12;In the preferred embodiment, respectively the offset distance of the reference point 12 can pass through the check point 22
First coordinate value (X1, Y1) and second coordinate value (X2, Y2) of the reference point 12 are calculated through geometry teaching to be learnt.
Specifically, the definition mode of the shape of the object 10 and those reference points 12 is not the present invention's
Only it is a kind of demonstration easy to explanation seen at this where limitation;In another preferred embodiment, those reference points 12 can
To define by other means, or even the object 10 can also have entirely different shape, these correlations have no effect on this hair
The implementation of bright provided detection method.In addition, should possessed by those reference points 12, those check points 22 and the photographic goods
The limitation of the quantity of a little forms 20 also non-invention, as long as those reference points 12, those check points 22 and those forms in principle
20 quantity is at least more than two, and corresponds to each other.
Fig. 3 is refer to, the detection method of present invention processing object base specification comprises the steps of:First with a numerical value
Analogue technique, simulates the situation that the object is moved to a correction position, the definition of the correction position described herein, refers to work as and be somebody's turn to do
When object is located at the correction position, the quadratic sum of the respectively offset distance of those reference points is minimum;In fact, the numerical simulation
Technology can be reached by calculator program.Fig. 4 demonstrates in the form 20 shown in Fig. 2, which receives the Numerical-Mode
The effect of plan technology, is simulated from an initial position (being represented with solid line) and is moved to the correction position (being represented with imaginary line);Need to note
Meaning, the object 10 seen in fig. 4 is simulated and the situation positioned at the correction position is a kind of demonstration, certainly should at other
Also there is similar simulation movement situation in a little forms 20, but this please be hold and repeated no more.
Then, then the object 10 is calculated in correction position (i.e. represented by the imaginary line in Fig. 4), respectively the reference point 12
The offset distance, that is, Fig. 4 in visible distance D;By the respectively offset distance (distance D) for comparing those reference points 12
With a threshold value, you can judge whether the object meets suitable for this of following process or correction base specification.Originally it is being preferable to carry out
In example, if the sum of those offset distances of those reference points 12 are more than thresholding plant, it is not excessive to be exactly to represent the object 10
It is too small, correct anyway, which, which all can not be successfully, carries out follow-up processing operation;In other words, in such cases
The object 10 does not meet the base specification, actually can immediately abandon and not have to.
In other preferred embodiments, there can also be any reference point 12 when the object 10 is located at the correction position
The offset distance be more than the threshold value, which does not meet the base specification;If or have more than a specific quantity (such as two
More than a) the offset distances of those reference points 12 be more than the threshold value, then judge that the object 10 does not meet the base specification.
Actually, the size of the threshold value and the visual demand of used criterion and adjust, be not the present invention limitation
Place.
It is noted that each definition has the coordinate system 24, the work of the coordinate system 24 in those forms 20 in the present embodiment
Be easy for calculating the respectively reference point 12 the offset distance (namely respectively the reference point 12 and corresponding one check point 22 it
Between distance), different computational methods can also be used in other embodiment, be not limited with demonstrating herein.
Whereby, the detection method of present invention processing object base specification can be before reality corrects the object 10, soon
Speed judges whether the object 10 meets the base specification that can receive subsequent correction and process operation.The above, is only this
Preferred possible embodiments are invented, ought to as long as the equivalent processes done using description of the invention and claim change
In the scope of patent protection of the present invention.
Claims (6)
1. a kind of detection method for processing object base specification, it is characterised in that applied to a plate-like object, to judge
Whether the object meets a base specification for being adapted for subsequent correction and processing, which is placed in an initial position in advance,
Object definition has at least two reference points, which includes the use of a photographic goods, which has at least two to regard
Window, respectively covering in the drop shadow spread of those forms has the reference point, and each definition has a check point, and the school in those forms
It can not be moved on schedule relative to the form, respectively the reference point in the form is corresponding each other with the check point, wherein the respectively reference point
It is an offset distance of the respectively reference point with distance definition of the check point on a projection plane corresponding to it, the detection side
Method comprises the steps of:
Using a numerical simulation technology, the definition of the situation that the object is moved to a correction position, the wherein correction position is simulated,
Refer to when the object is located at the correction position, the quadratic sum of the respectively offset distance of those reference points is minimum;
When object simulation is moved to the situation of the correction position, compare the size of those offset distances and a threshold value;It is any
The offset distance is more than the threshold value or more than two those offset distances are more than the threshold value, or is those offset distances
And during more than the threshold value, judge that the object does not meet the base specification.
2. the detection method of processing object base specification according to claim 1, wherein, it is somebody's turn to do if the offset distance is more than
Threshold value, then judge that the object does not meet the base specification.
3. the detection method of processing object base specification according to claim 1, wherein, if square of those offset distances
With more than the threshold value, then judge that the object does not meet the base specification.
4. the detection method of processing object base specification according to claim 1, wherein, if it is certain amount of to have more than one
The offset distance of those reference points is more than the threshold value, then judges that the object does not meet the base specification.
5. the detection method of processing object base specification according to claim 1, wherein, respectively definition has a seat to those forms
Mark system, respectively the check point of the form has one first coordinate value on the coordinate system.
6. the detection method of processing object base specification according to claim 5, wherein, the reference point is in corresponding form
There is one second coordinate value on the interior coordinate system;Respectively the offset distance of the reference point by first coordinate value and this second
Coordinate value and be calculated.
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CN102663734A (en) * | 2012-03-15 | 2012-09-12 | 天津理工大学 | Fish eye lens calibration and fish eye image distortion correction method |
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CN1851396A (en) * | 2006-05-17 | 2006-10-25 | 合肥工业大学 | Hand-set lid flatness on-line measuring system and method |
CN102128589A (en) * | 2010-01-20 | 2011-07-20 | 中国科学院自动化研究所 | Method for correcting azimuth errors of inner bore of part in process of assembling axle hole |
CN102663734A (en) * | 2012-03-15 | 2012-09-12 | 天津理工大学 | Fish eye lens calibration and fish eye image distortion correction method |
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