CN109668534A - Detect the localization method of open pore steel plate - Google Patents
Detect the localization method of open pore steel plate Download PDFInfo
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- CN109668534A CN109668534A CN201811049274.4A CN201811049274A CN109668534A CN 109668534 A CN109668534 A CN 109668534A CN 201811049274 A CN201811049274 A CN 201811049274A CN 109668534 A CN109668534 A CN 109668534A
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- steel plate
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- datum hole
- circle
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 136
- 239000010959 steel Substances 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000011148 porous material Substances 0.000 title claims abstract description 31
- 230000004807 localization Effects 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 42
- 230000000694 effects Effects 0.000 abstract description 7
- 238000013519 translation Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
A kind of localization method detecting open pore steel plate, includes the following steps: A) merging steel plate；B steel plate graphic file) is inputted；C the figure coordinate system of the steel plate) is redefined: by the computer, an X tangent line is defined in the steel plate graphic file and a Y tangent line is cut in circular edge defined in the radiused edges of the area to be tested, and the intersection point of the X tangent line and the Y tangent line is defined as new origin, then by the figure coordinate system origin translation of the steel plate to the new origin；D) coordinate system overlaps: the coordinate system of the coordinate system of the steel plate graphic file and the detection board is overlapped；And E) obtain the coordinate of at least datum hole relative to the steel plate on the steel plate: by the long width values of the steel plate, the radius of the area to be tested and an at least datum hole relative to the X-axis of the new origin and the distance of Y-axis, the coordinate of at least datum hole on the steel plate is calculated, positioning is so far completed.The present invention can provide the locating effect of open pore steel plate when detecting.
Description
Technical field
The present invention is related with the detection technology of steel plate, particularly relates to a kind of localization method for detecting open pore steel plate.
Background technique
No. 449902 patents of TaiWan, China I disclose a kind of bad detection device of aperture and aperture failure detection method
Technology, primarily directed to needed in surface mount technology (Surface Mounted Technology, SMT) technique using
Open pore steel plate carry out aperture automatic detection, use detection steel plate on aperture whether have undesirable situation.
Aforementioned techniques provide the detection whether normal technology of aperture, although referring to location information in technology explanation,
But the in fact not complete open technology how position of opening on steel plate is carried out to positioning confirmation before detection.This hair
Bright is localization method when proposing a detection to this.
Summary of the invention
The main object of the present invention is in that provide a kind of localization method for detecting open pore steel plate, can provide open pore steel plate
Locating effect when detecting.
In order to achieve the above objectives, the present invention provides a kind of localization method for detecting open pore steel plate, includes the following steps:
A) be placed in steel plate: by one detection board of steel plate merging, the steel plate in rectangle and size it is known that and definition have an area to be detected
The edge in domain, the area to be tested at least part is arc-shaped, and there are the steel plate multiple apertures to be located at the area to be tested
Interior, which also has an at least datum hole, and the detection board and a computer are electrically connected, wherein define the area to be detected
The center of circle corresponding to the radiused edges in domain is a practical center of circle, which is not located at the practical center of circle, and the reality
The origin system of the border center of circle and the steel plate is input to the coordinate system of the detection board in a manner of artificial or electronics；B steel) is inputted
Plate graphic file: being input to the computer for a steel plate graphic file, which includes the figure coordinate of the steel plate
System, respectively the aperture coordinate, an at least datum hole coordinate and the block plan to be detected for corresponding to the area to be tested in shape
Shape information, and the center of circle of the subregion graphical information to be detected is defined as a virtual center of circle；C the figure for) redefining the steel plate is sat
Mark system: by the computer, an X tangent line is defined in the steel plate graphic file and a Y tangent line is cut in the area to be tested
Circular edge defined in radiused edges, and the intersection point of the X tangent line and the Y tangent line is defined as new origin, wherein X tangent line is flat
For row in X-axis, Y tangent line is parallel to Y-axis, then by the figure coordinate system origin translation of the steel plate to the new origin, and then redefines
The figure coordinate system of the steel plate；D) coordinate system overlaps: by the computer, by the coordinate system of the steel plate graphic file and the inspection
The coordinate system overlapping of board is surveyed, when overlapping overlaps the virtual center of circle and the practical center of circle, wherein the coordinate of the detection board
It is the lower left corner that origin is located at the steel plate；And E) obtain the seat of at least datum hole relative to the steel plate on the steel plate
Mark: pass through the long width values of the steel plate, the radius of the area to be tested and the X-axis of at least datum hole relative to the new origin
And the distance of Y-axis, the coordinate of at least datum hole on the steel plate is calculated, positioning is so far completed.
The localization method of detection open pore steel plate of the present invention, wherein step B) it is exchanged with step A).
The localization method of detection open pore steel plate of the present invention, wherein step A) change positioned at step C) and step D) it
Between.
The localization method of detection open pore steel plate of the present invention, wherein in step A), which is located at the steel
The center of plate.
The localization method of detection open pore steel plate of the present invention, wherein in step A), at least a datum hole is located at for this
The edge that the area to be tested is arc-shaped.
The localization method of detection open pore steel plate of the present invention, wherein in step A), the number of an at least datum hole
Amount is four, and is distributed in isogonism, for being 0 degree with Y-axis, is distributed in 45 degree, 135 degree, 225 degree and 315 degree；And in step
B) into step E), using this datum hole positioned at 225 degree of the area to be tested lower left as single calculating target.
The localization method of detection open pore steel plate of the present invention, wherein in step A), the area to be tested is in circle
Shape.
The localization method of detection open pore steel plate of the present invention, wherein in step A), which is not in round
Shape.
The localization method of detection open pore steel plate of the present invention, wherein in step A), which is not located at this
The center of steel plate, and with the center of the steel plate at a distance of a preset distance；In step E), in addition to the long width values of the steel plate, should be to
Except the radius of detection zone and an at least datum hole are relative to the X-axis of the new origin and the distance of Y-axis, also need to add
Abovementioned steps A) in the preset distance condition, to calculate the coordinate of at least datum hole on the steel plate.
The present invention can be accurately obtained the actual coordinate of datum hole on the steel plate as a result, and can provide open pore steel plate and examining
Locating effect when survey.
Detailed description of the invention
Fig. 1 is the flow chart of the first preferred embodiment of the invention.
Fig. 2 is the configuration diagram of the first preferred embodiment of the invention.
Fig. 3 is the element schematic of the first preferred embodiment of the invention, shows the state of steel plate.
Fig. 4 is another element schematic of the first preferred embodiment of the invention, shows the state of steel plate graphic file.
Fig. 5 is the action schematic diagram of the first preferred embodiment of the invention, shows the state of translational coordination system.
Fig. 6 is the another action schematic diagram of the first preferred embodiment of the invention, the state of display overlapping coordinate system.
Fig. 7 is the element schematic of the second preferred embodiment of the invention, shows the state of steel plate.
Fig. 8 is the element schematic of third preferred embodiment of the present invention, shows the state of steel plate.
Wherein, appended drawing reference:
11 steel plates
111 apertures
12 area to be tested
14 datum holes
21 detection boards
31 computers
41 steel plate graphic files
44 subregion graphical informations to be detected
The practical center of circle AO
The new origin of LB
The virtual center of circle VO
11 ' steel plates
12 ' area to be tested
14 ' datum holes
The practical center of circle AO '
The new origin of LB '
12 " area to be tested
14 " datum holes
The practical center of circle AO "
The new origin of LB "
Specific embodiment
For the technical characterstic place that the present invention will be described in detail, hereby lifts preferred embodiments below and cooperate schema explanation such as
Afterwards, in which:
As shown in Figures 1 to 6, the first preferred embodiment of the invention provides a kind of localization method for detecting open pore steel plate,
Mainly there are the following steps:
A) it is placed in steel plate: as shown in Fig. 2, by one detection board 21 of a steel plate 11 merging；As shown in figure 3, the steel plate 11 is in
Rectangle and size it is known that and definition have an area to be tested 12, the edge of at least part of area to be tested 12 is arc-shaped,
In this present embodiment by taking whole edges is arc-shaped as an example, also that is, by taking the area to be tested 12 is rounded as an example, and the steel plate
11 there are multiple apertures 111 to be located in the area to be tested 12, which also has an at least datum hole 14, the detection board
21 and one computer 31 be electrically connected.Computer 31 above-mentioned can be personal computer, be also possible to the detection board 21
The control computer of body.Wherein, the center of circle for defining the area to be tested 12 is a practical center of circle AO, and an at least datum hole 14 is not
Positioned at the practical center of circle AO, the origin of the practical center of circle AO and the steel plate 11 is input to the inspection in a manner of artificial or electronics
Survey the coordinate system of board 21.In this first embodiment, which is located at the center of the steel plate 11, and an at least base
Quasi- hole 14 is then located at the edge of area to be tested 12.It is usually to be used to be arranged out for general status, in area to be tested 12
The effective coverage in hole 111 is without being arranged datum hole, and therefore, datum hole would be normally located at the position at edge.In addition, Yu Ben
In one embodiment, which is distributed quantitatively for four in isogonism, for being 0 degree with positive Y-axis,
It is distributed in 45 degree, 135 degree, 225 degree and 315 degree of position.And in following steps, then it is all to be located at the area to be detected
This datum hole 14 of 12 lower left of domain (i.e. 225 degree) is used as single calculating target, and then as the basis of positioning.
B steel plate graphic file) is inputted: as shown in figure 4, a steel plate graphic file 41 is input to the computer 31, the steel
Plate graphic file 41 have the steel plate 11 figure coordinate system, respectively the coordinate of the aperture 111, four datum holes 14 coordinate with
And a subregion graphical information 44 to be detected of the area to be tested 12 is corresponded in shape, and the subregion graphical information 44 to be detected
Center of circle system is defined as virtual center of circle VO.
C it) redefines the figure coordinate system of the steel plate: by the computer 31, being defined in the steel plate graphic file 41
One X tangent line and a Y tangent line are cut in the circular edge of the area to be tested 12, and the intersection point of the X tangent line and the Y tangent line is defined
For new origin LB, wherein X tangent line is parallel to X-axis, and Y tangent line is parallel to Y-axis.Wherein, due to the size of the steel plate 11 it is known that can be with
It learns its a length of H, width W, is known that the practical center of circle AO using the characteristic that the practical center of circle AO is located at 11 center of steel plate
Coordinate be (W/2, H/2), and by the subregion graphical information 44 to be detected it should also be appreciated that its radius r, therefore, the X tangent line and the Y
Its coordinate of the intersection point LB of tangent line is LB=(W/2-r, H/2-r), wherein the original origin of the figure coordinate system of the steel plate 11 is
The point in the lower left corner.Then, thus i.e. heavy as shown in figure 5, by the figure coordinate system origin translation of the steel plate 11 to the new origin LB
Newly define the figure coordinate system of the steel plate 11.
D) coordinate system overlaps: as shown in fig. 6, by the coordinate system of the steel plate graphic file 41 and being somebody's turn to do by the computer 31
The coordinate system overlapping of board 21 is detected, when overlapping overlaps the virtual center of circle VO and the practical center of circle AO, wherein the detection machine
The origin of the coordinate system of platform 21 is located at the lower left corner of the steel plate 11.
E coordinate of the datum hole relative to the steel plate on the steel plate) is obtained: by the long value H and width values of the steel plate 11
W, the radius of the area to be tested 12 and the datum hole 14 calculate this relative to the X-axis of the new origin LB and the distance of Y-axis
Coordinate of the datum hole 14 on the steel plate 11, the coordinate positioned at the datum hole 14 in the lower left corner are (W/2-r+dx, H/2-r+
Dy), wherein about the aforementioned datum hole 14 relative to the X-axis of the new origin LB and the distance of Y-axis, due in the steel plate figure
The coordinate of the datum hole 14 in file 41 is originally it is known that therefore X of the available datum hole 14 relative to the new origin LB
The distance (dx, dy) of axis and Y-axis.Due to achieving coordinate of the datum hole 14 on the steel plate 11, it is in the step
Positioning is completed, which can according to this detect the steel plate 11.
It must remark additionally, abovementioned steps A) it is placed in steel plate and step B) input the two steps of steel plate graphic file,
It can sequentially exchange, there is no the necessity of sequencing.In addition, step A) it can also change positioned at step C) and step
Rapid D) between.The reason of abovementioned steps can change in this way be, step A) merging steel plate technology can be with step B) and C)
Steel plate graphic file and the processing technique of figure coordinate system carry out respectively, there is no inevitable successive to each other for the two technologies
Relationship.
From the foregoing, it will be observed that the present invention provides open pore steel plates to exist by obtaining coordinate of the datum hole 14 on the steel plate 11
Locating effect when detection, and be not specifically disclosed technology in the prior art.
Referring again to Fig. 7, a kind of localization method for detecting open pore steel plate, main provided by the second preferred embodiment of the invention
First embodiment is taken off before being generally same as, the difference is that:
In step A), which is not located at the center of the steel plate 11 ', but the central phase with the steel plate 11 '
Away from a preset distance.When not being located at the center of the steel plate 11 ' due to the practical center of circle AO ', then steel plate manufacturer is meeting when leaving the factory
An offset (offset X, offset Y) relative to center is provided, therefore, this offset is pre- spacing above-mentioned
From.
And in step E), in addition to the radius and the datum hole of the long width values of the steel plate 11 ', the area to be tested 12 '
Other than 14 ' relative to the X-axis of the new origin LB ' and the distance of Y-axis, also need along with preset distance above-mentioned (i.e. offset)
Condition, to calculate coordinate of the datum hole 14 ' on the steel plate 11 '.
Based on above-mentioned, the practical center of circle AO ' coordinate in step A) will become (W/2+offset X, H/2+offset
Y), the coordinate of the X tangent line and in step C) and Y point of intersection of tangents LB ' will become for LB '=(W/2+offset X-r,
H/2+offset Y-r)。
And in step D), after coordinate system overlapping, the coordinate positioned at the datum hole 14 ' in the lower left corner is (W/2+
offset X–r+dx,H/2+offset Y–r+dy)。
Remaining technical characteristic of this second embodiment and the effect of capable of reaching, take off first embodiment before being generally same as, and hold not
It gives and repeating again.
Referring again to Fig. 8, a kind of localization method for detecting open pore steel plate, main provided by third preferred embodiment of the present invention
First embodiment is taken off before being generally same as, the difference is that:
In step A), the area to be tested 12 " is not rounded but edge has part to be arc-shaped, and it is to be detected to define this
The center of circle corresponding to edge that is arc-shaped in region 12 " is the practical center of circle AO ".And to be located at this to be checked for multiple datum hole 14 "
That surveys region 12 " is arc-shaped edge, and the rounded edge of the area to be tested 12 " cover 45 degree, 135 degree, 225 degree and
315 degree of position.
In step C), the X tangent line and the Y tangent line are cut in and are defined according to the radiused edges of the area to be tested 12 "
Circular edge out.
In step E), due to the datum hole 14 " in the steel plate graphic file (not shown) coordinate originally
Know, therefore the available datum hole 14 " is relative to the X-axis of the new origin LB " and the distance (dx, dy) of Y-axis.
This third embodiment can provide locating effect to non-circular area to be tested 12 " as a result, unreal with first
The circle for applying example is limited.
Remaining technical characteristic of this third embodiment and the effect of capable of reaching, take off first embodiment before being generally same as, and hold not
It gives and repeating again.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding changes and modifications, but these corresponding changes and modifications can be made according to the present invention by knowing those skilled in the art
It all should belong to the protection scope of the claims in the present invention.
Claims (9)
1. a kind of localization method for detecting open pore steel plate, which is characterized in that the localization method includes the following steps:
A) be placed in steel plate: by one detection board of steel plate merging, the steel plate in rectangle and size it is known that and definition have it is one to be detected
The edge in region, the area to be tested at least part is arc-shaped, and there are the steel plate multiple apertures to be located at the area to be detected
In domain, which also has an at least datum hole, and the detection board and a computer are electrically connected, wherein it is to be detected to define this
The center of circle corresponding to the radiused edges in region is a practical center of circle, which is not located at the practical center of circle, and should
The origin of the practical center of circle and the steel plate is input to the coordinate system of the detection board in a manner of artificial or electronics；
B it) inputs steel plate graphic file: a steel plate graphic file is input to the computer, which includes the steel
The figure coordinate system of plate, respectively the aperture coordinate, an at least datum hole coordinate and correspond to the one of the area to be tested in shape
Subregion graphical information to be detected, and the center of circle of the subregion graphical information to be detected is defined as a virtual center of circle；
C) redefine the figure coordinate system of the steel plate: by the computer, defined in the steel plate graphic file X tangent line with
And one Y tangent line be cut in circular edge defined in the radiused edges of the area to be tested, and by the X tangent line and the Y tangent line
Intersection point is defined as new origin, and wherein X tangent line is parallel to X-axis, and Y tangent line is parallel to Y-axis, then by the figure coordinate system origin of the steel plate
It is moved to the new origin, and then has redefined the figure coordinate system of the steel plate；
D) coordinate system overlaps: by the computer, the coordinate system of the steel plate graphic file and the coordinate system of the detection board being folded
It closes, when overlapping overlaps the virtual center of circle and the practical center of circle, wherein the coordinate origin of the detection board is located at the steel plate
The lower left corner；And
E) obtain the coordinate of at least datum hole relative to the steel plate on the steel plate: by the long width values of the steel plate, should be to
The radius of detection zone and an at least datum hole relative to the X-axis of the new origin and the distance of Y-axis, calculate this at least one
Coordinate of the datum hole on the steel plate so far completes positioning.
2. the localization method of detection open pore steel plate according to claim 1, which is characterized in that step B) it is right with step A)
It adjusts.
3. the localization method of detection open pore steel plate according to claim 1, which is characterized in that step A) change positioned at step C)
Between step D).
4. the localization method of detection open pore steel plate according to claim 1, which is characterized in that in step A), the reality
The center of circle is located at the center of the steel plate.
5. the localization method of detection open pore steel plate according to claim 1, which is characterized in that in step A), this is at least
One datum hole is located at the edge that the area to be tested is arc-shaped.
6. the localization method of detection open pore steel plate according to claim 4, which is characterized in that in step A), this is at least
The quantity of one datum hole be four, and in isogonism be distributed, with Y-axis be 0 degree for, be distributed in 45 degree, 135 degree, 225 degree and
315 degree；And in step B) into step E), to be located at this datum hole of 225 degree of the area to be tested lower left as single
Calculate target.
7. the localization method of detection open pore steel plate according to claim 1, which is characterized in that in step A), this is to be checked
It is rounded to survey region.
8. the localization method of detection open pore steel plate according to claim 1, which is characterized in that in step A), this is to be checked
It is not rounded to survey region.
9. the localization method of detection open pore steel plate according to claim 1, which is characterized in that in step A), the reality
The center of circle is not located at the center of the steel plate, and with the center of the steel plate at a distance of a preset distance；In step E), in addition to the steel plate
Long width values, the radius of the area to be tested and an at least datum hole relative to the new origin X-axis and Y-axis distance it
Outside, the condition along with the preset distance in abovementioned steps A) is needed, also to calculate an at least datum hole on the steel plate
Coordinate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW106135437 | 2017-10-17 | ||
| TW106135437A TWI630383B (en) | 2017-10-17 | 2017-10-17 | Positioning method for detecting perforated steel plate |
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| Publication Number | Publication Date |
|---|---|
| CN109668534A true CN109668534A (en) | 2019-04-23 |
| CN109668534B CN109668534B (en) | 2021-04-30 |
Family
ID=63640743
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811049274.4A Active CN109668534B (en) | 2017-10-17 | 2018-09-10 | Positioning method for detecting perforated steel plate |
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| TW (1) | TWI630383B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI630383B (en) | 2018-07-21 |
| CN109668534B (en) | 2021-04-30 |
| TW201917377A (en) | 2019-05-01 |
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