CN108362232A - A kind of ball seat for automobile ball-joint head is tinted area and its Subarea detecting method - Google Patents
A kind of ball seat for automobile ball-joint head is tinted area and its Subarea detecting method Download PDFInfo
- Publication number
- CN108362232A CN108362232A CN201810170986.5A CN201810170986A CN108362232A CN 108362232 A CN108362232 A CN 108362232A CN 201810170986 A CN201810170986 A CN 201810170986A CN 108362232 A CN108362232 A CN 108362232A
- Authority
- CN
- China
- Prior art keywords
- ball seat
- ball
- mentioned
- image
- gray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geometry (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Image Processing (AREA)
Abstract
The present invention provides a kind of ball seat for automobile ball-joint head and tints area and its Subarea detecting method, the ball seat vertical view after tinting is obtained using gray scale camera, the vertical view all pixels point is traversed under Matlab environment, it carries out level-one division respectively to ball seat 2-D gray image according to pixel gray value and two level divides, to determine in tint boundary line and the boundary line to form the two level boundary line of different grey steps；In three-dimensional drawing software, by all boundary lines in above-mentioned two dimensional image along the direction projection to cube theory sphere of ball seat central axes, so that it is determined that go out ball seat tint area and different compactness region region of entirely tinting area percentage.It is poor using tint test stone disunity caused by area, ball seat product testing stability of artificial experience judgement that the present invention is solved the problems, such as, at the same use gray level image rather than colored digital image further solve colored digital image boundary identification it is low caused by the big problem of error.
Description
Technical field
Tint the present invention relates to the ball seat of spherical hinge structure and sectional detection technique more particularly to automotive suspension, swing arm and
The Subarea detecting method of ball pin and tint area and its area of ball seat contact area in bogie series flexural pivot.
Background technology
Machinery field, the flexural pivot product especially in automotive field are mainly made of ball pin, ball seat and ball cover, wherein ball
The spherical outside surface of pin and the Internal Spherical Surface of ball seat contact with each other it is secondary to form spherical surface friction, contact area depend primarily on ball seat with
The factors such as material composition, dimension process and the fitness of ball pin.
Under normal conditions, the material of ball seat is polymer plastic material products, and ball pin is then ordinary carbon steel with ball cover, due to height
Molecule plastic products are more easy to affected by environment and lead to deformation compared to ordinary carbon steel（Environmental factor includes mainly temperature, wet
Degree, chemical attack and size loaded）, therefore, to ensure that the safe and reliable of spherical hinge structure, performance are stablized, to ball seat
The detection of every size is just particularly important.Wherein, tint detection i.e. to the ball pin of ball seat Internal Spherical Surface given diameter
It is an important detection method in the art, its object is to the contact surfaces by detecting ball seat Internal Spherical Surface and ball pin spherical outside surface
Product size and area distribution provide significant data reference for flexural pivot performance test, and contact area is bigger, compactness is more uniform,
Fatigue life is longer, and the risk that local fatigue fracture occurs is lower.Currently, in tint area and its partitioning scenario of detection ball seat
When, it is mostly based on personal experience and judges to tint using human eye the size of area and each region in area of judging to tint in turn, by
It is subjective in the detection method artificially estimated, examine the standard disunity of detection, the detection for being easy to cause ball seat product steady
Qualitative difference.
Invention content
It tints face for a kind of ball seat based on image digitazation treatment technology the problems of in the prior art, is provided
Product measurement method, and area district detection method of tinting solve and existing tint area using artificial experience judgement and lead
The inspection examination criteria disunity of cause, the problem of ball seat product testing stability difference, while the achromaticity number using gray level image
Code image further solve colored digital image boundary identification it is low caused by the big problem of boundary line error in judgement, this hair
The bright detection method is easy to operate, standard is unified and testing cost is low.
The present invention adopts the following technical scheme that：A kind of ball seat for automobile ball-joint head is tinted area detecting method,
It is characterized in that：Including having the following steps：
(a) ball pin after spherical outside surface uniformly being tinted snaps into ball seat, and ball seat is installed in ball cover and by cover board riveting
Fixation is connect, to be shaped to a complete spherical hinge structure；
(b) clamping fixes above-mentioned spherical hinge structure, while using the central axes of ball seat spherical surface as rotation axis, utilizes torque spanner point
720 ° of ball pin is not rotated with counterclockwise clockwise；The riveted seam of the spherical hinge structure formed due to riveting, taking-up and ball are cut again
Pin contacts and the ball seat for forming certain region of tinting in interior spherical surface；
(c) the ball seat fixed placement after tinting is obtained the vertical view of the ball seat using gray scale camera, obtained on horizontal plane
The 2-D gray image of above-mentioned ball seat vertical view；
(d) under Matlab environment, above-mentioned 2-D gray image is pre-processed, removes the noise in image；
(e) it under Matlab environment, using above-mentioned 2-D gray image after pretreatment as input, traverses in the image
Entire gray level image is carried out level-one division by each pixel, to determine that the closed loop boundary line in region of tinting, output form above-mentioned
Each pixel point coordinates of closed loop boundary line；
(f) the pixel coordinate value according to above-mentioned boundary line in 2-D gray image regards in three-dimensional drawing software in selection
Scheme reference plane as sketch drafting, draw out include above-mentioned boundary line two dimensional image, and the cube theory of determination ball seat
The positioning datum of spherical surface；
(g) according to the positioning datum of the cube theory sphere of ball seat, obtain inner sphere radius identical with above-mentioned ball seat model and
Height value, to draw out the cube theory sphere of ball seat；
(h) by the boundary line in above-mentioned two dimensional image along the direction projection to cube theory sphere of ball seat central axes；And pass through three
It ties up mapping software and calculates the gross area that the borderline region of closed loop is included in above-mentioned cube theory sphere.
Preferably, 2-D gray image is pre-processed in step (d), the noise in image is removed using noise filter,
And the pixel by gray value less than 3 resets its gray value and is unified for 0.
Preferably, the gray value of the pixel where the closed loop boundary line in step (e) is not 0, and its adjacent picture
At least one is 0 to the gray value of vegetarian refreshments, then, which is one of closed loop boundary line place pixel.
Preferably, the boundary line in step (e) is formed by the area of enclosed region and is no less than entire ball seat Internal Spherical Surface
The 75% of area, otherwise it is assumed that ball seat Internal Spherical Surface be bonded with ball pin it is unqualified；Also, the cube theory sphere in the step (g)
Radius and height value be directly to be got by the measured data of ball seat.
It tints the present invention also provides a kind of ball seat for automobile ball-joint head the Subarea detecting method of area, feature exists
In：Including having the following steps：
(a) ball pin after spherical outside surface uniformly being tinted snaps into ball seat, and ball seat is installed in ball cover and by cover board riveting
Fixation is connect, to be shaped to a complete spherical hinge structure；
(b) clamping fixes above-mentioned spherical hinge structure, while using the central axes of ball seat spherical surface as rotation axis, utilizes torque spanner point
720 ° of ball pin is not rotated with counterclockwise clockwise；The riveted seam of the spherical hinge structure formed due to riveting, taking-up and ball are cut again
Pin contacts have simultaneously formed the ball seat in certain region of tinting in Internal Spherical Surface；
(c) the ball seat fixed placement after tinting is obtained the vertical view of the ball seat using gray scale camera, obtained on horizontal plane
The 2-D gray image of above-mentioned ball seat vertical view；
(d) under Matlab environment, above-mentioned 2-D gray image is pre-processed, removes the noise in image；
(e) it under Matlab environment, using above-mentioned 2-D gray image after pretreatment as input, traverses in the image
Entire gray level image is carried out level-one division by each pixel, to determine that the closed loop boundary line in region of tinting, output form closed loop
Each pixel point coordinates of boundary line；
(f) classify to the region of tinting in above-mentioned boundary line, according to gray value size from small to large by above-mentioned region of tinting
Interior each pixel is divided into each step, and different steps represents different compactness；And to above-mentioned different fittings
The region of degree carries out two level division, determines the boundary curve in each compactness region；
(g) pixel coordinate value of the boundary line divided with two level in 2-D gray image is divided according to above-mentioned level-one,
Reference plane of the top view as sketch drafting is selected in three-dimensional drawing software, draw out include above-mentioned boundary line X-Y scheme
Picture；And determine the positioning datum of the cube theory sphere of ball seat；
(h) according to the positioning datum of the cube theory sphere of ball seat, obtain inner sphere radius identical with above-mentioned ball seat model and
Height value, to draw out the cube theory sphere of ball seat；And by all boundary curves in above-mentioned two dimensional image along ball seat axis
On line direction projection to cube theory sphere, and the different patches surrounded by boundary curve are marked out in the cube theory sphere
The step in right region；
(i) area shared by ball seat Internal Spherical Surface difference compactness region and above-mentioned different patches are calculated in three-dimensional drawing software
Area percentage of the right region in region of entirely tinting.
Preferably, noise reduction is carried out to original-gray image in step (d), making an uproar in image is removed using noise filter
Point, and the pixel by gray value less than 3 resets its gray value and is unified for 0.
Preferably, the boundary line in step (e) is formed by the area of enclosed region and is no less than in entire ball seat
The 75% of area of spherical surface, otherwise it is assumed that ball seat Internal Spherical Surface be bonded with ball pin it is unqualified；Also, the cube theory in the step (h)
The radius and height value of spherical surface are directly to be got by the measured data of ball seat.
Preferably, the gray value of the pixel where the closed loop boundary line in step (e) is not 0, and its adjacent picture
At least one is 0 to the gray value of vegetarian refreshments, then, which is one of closed loop boundary line place pixel.
Preferably, the step in step (f) is 5 total, is ordered as the first ladder successively from small to large according to gray value
Grade, the second step, third step, the 4th step and the 5th step；Wherein, the intensity value ranges of the first step be 1-51, second
The intensity value ranges of step are 52-102, and the intensity value ranges of third step are 103-153, and the intensity value ranges of the 4th step are
The intensity value ranges of 154-204, the 5th step are 205-255.
Preferably, the three-dimensional drawing software in step (g) is PROE, SOLIDWORKS or INVENTOR.
Compared with prior art, the beneficial effects of the invention are as follows：Using existing image digitazation treatment technology to ball seat
The area of tinting of Internal Spherical Surface is detected, and has carried out secondary division to the contact area of itself and ball pin spherical outside surface, and calculating acquires
The different compactness of ball seat Internal Spherical Surface each region are flexural pivot performance test（Such as fatigue test）Provide important data branch
Support, avoids the subjectivity of artificial judgment and the uncertainty of criterion, also improves the detection efficiency of flexural pivot performance test,
And judging result is objective, reliable, and implementation is at low cost, operability is strong.Further, the present invention using gray level image rather than
Colored digital image solves the problems, such as that boundary line error in judgement is big caused by colored digital image boundary identification is low, most
The Detection accuracy for area of tinting is also improved eventually.
Description of the drawings
Fig. 1 is the three-dimensional spherical hinge structure sectional view of the present invention；
Fig. 2 is the ball socket structure axonometric drawing of the present invention；
Fig. 3 is the ball socket structure vertical view of the present invention；
Fig. 4 is the A-A sectional views in Fig. 3；
Fig. 5 be the present invention ball seat tint effect level-one divide schematic diagram；
Fig. 6 be the present invention ball seat tint effect two level divide schematic diagram；
Fig. 7 be will tint ball seat two dimensional image in boundary line projection to cube theory sphere process.
Specific implementation mode
The present invention will be further described below with reference to the drawings.
The present invention adopts the following technical scheme that：A kind of ball seat for automobile ball-joint head is tinted area detecting method,
It is characterized in that：Including having the following steps：
(a) ball pin after spherical outside surface uniformly being tinted snaps into ball seat, and ball seat is installed in ball cover and by cover board riveting
Fixation is connect, to be shaped to a complete spherical hinge structure；
(b) clamping fixes above-mentioned spherical hinge structure, while using the central axes of ball seat spherical surface as rotation axis, utilizes torque spanner point
720 ° or 1080 ° of ball pin is not rotated with counterclockwise clockwise；The riveted seam formed due to riveting for cutting the spherical hinge structure again, takes
Go out the ball seat for being contacted with ball pin and forming certain region of tinting in interior spherical surface；
(c) the ball seat fixed placement after tinting is obtained the vertical view of the ball seat using gray scale camera, obtained on horizontal plane
The 2-D gray image of above-mentioned ball seat vertical view；
(d) under Matlab environment, above-mentioned 2-D gray image is pre-processed, removes the noise in image；
(e) it under Matlab environment, using above-mentioned 2-D gray image after pretreatment as input, traverses in the image
Entire gray level image is carried out level-one division by each pixel, to determine that the closed loop boundary line in region of tinting, output form above-mentioned
Each pixel point coordinates of closed loop boundary line；
(f) the pixel coordinate value according to above-mentioned boundary line in 2-D gray image regards in three-dimensional drawing software in selection
Scheme reference plane as sketch drafting, draw out include above-mentioned boundary line two dimensional image, and the cube theory of determination ball seat
The positioning datum of spherical surface；
(g) according to the positioning datum of the cube theory sphere of ball seat, obtain inner sphere radius identical with above-mentioned ball seat model and
Height value, to draw out the cube theory sphere of ball seat；
(h) by the boundary line in above-mentioned two dimensional image along the direction projection to cube theory sphere of ball seat central axes；And pass through three
It ties up mapping software and calculates the gross area that the borderline region of closed loop is included in above-mentioned cube theory sphere.
Preferably, 2-D gray image is pre-processed in step (d), the noise in image is removed using noise filter,
And the pixel by gray value less than 1 or 2 or 3 resets its gray value and is unified for 0.
Preferably, the gray value of the pixel where the closed loop boundary line in step (e) is not 0, and its adjacent picture
At least one is 0 to the gray value of vegetarian refreshments, then, which is one of closed loop boundary line place pixel.
Preferably, the boundary line in step (e) is formed by the area of enclosed region and is no less than in entire ball seat
The 70% of area of spherical surface or 75% or 80%, otherwise it is assumed that ball seat Internal Spherical Surface be bonded with ball pin it is unqualified；Also, in the step (g)
Cube theory sphere radius and height value be directly to be got by the measured data of ball seat.
It tints the present invention also provides a kind of ball seat for automobile ball-joint head the Subarea detecting method of area, feature exists
In：Including having the following steps：
(a) ball pin after spherical outside surface uniformly being tinted snaps into ball seat, and ball seat is installed in ball cover and by cover board riveting
Fixation is connect, to be shaped to a complete spherical hinge structure；
(b) clamping fixes above-mentioned spherical hinge structure, while using the central axes of ball seat spherical surface as rotation axis, utilizes torque spanner point
720 ° or 1080 ° of ball pin is not rotated with counterclockwise clockwise；The riveted seam formed due to riveting for cutting the spherical hinge structure again, takes
Go out and is contacted with ball pin and formed the ball seat in certain region of tinting in Internal Spherical Surface；
(c) the ball seat fixed placement after tinting is obtained the vertical view of the ball seat using gray scale camera, obtained on horizontal plane
The 2-D gray image of above-mentioned ball seat vertical view；
(d) under Matlab environment, above-mentioned 2-D gray image is pre-processed, removes the noise in image；
(e) it under Matlab environment, using above-mentioned 2-D gray image after pretreatment as input, traverses in the image
Entire gray level image is carried out level-one division by each pixel, to determine that the closed loop boundary line in region of tinting, output form closed loop
Each pixel point coordinates of boundary line；
(f) classify to the region of tinting in above-mentioned boundary line, according to gray value size from small to large by above-mentioned region of tinting
Interior each pixel is divided into each step, and different steps represents different compactness；And to above-mentioned different fittings
The region of degree carries out two level division, determines the boundary curve in each compactness region；
(g) pixel coordinate value of the boundary line divided with two level in 2-D gray image is divided according to above-mentioned level-one,
Reference plane of the top view as sketch drafting is selected in three-dimensional drawing software, draw out include above-mentioned boundary line X-Y scheme
Picture；And determine the positioning datum of the cube theory sphere of ball seat；
(h) according to the positioning datum of the cube theory sphere of ball seat, obtain inner sphere radius identical with above-mentioned ball seat model and
Height value, to draw out the cube theory sphere of ball seat；And by all boundary curves in above-mentioned two dimensional image along ball seat axis
On line direction projection to cube theory sphere, and the different patches surrounded by boundary curve are marked out in the cube theory sphere
The step in right region；
(i) area shared by ball seat Internal Spherical Surface difference compactness region and above-mentioned different patches are calculated in three-dimensional drawing software
Area percentage of the right region in region of entirely tinting.
Preferably, noise reduction is carried out to original-gray image in step (d), making an uproar in image is removed using noise filter
Point, and the pixel by gray value less than 1 or 2 or 3 resets its gray value and is unified for 0.
Preferably, the boundary line in step (e) is formed by the area of enclosed region and is no less than entire ball seat Internal Spherical Surface
The 70% of area or 75% or 80%, otherwise it is assumed that ball seat Internal Spherical Surface be bonded with ball pin it is unqualified；Also, three in the step (h)
The radius and height value of the theoretical spherical surface of dimension are directly to be got by the measured data of ball seat.
Preferably, the gray value of the pixel where the closed loop boundary line in step (e) is not 0, and its adjacent picture
At least one is 0 to the gray value of vegetarian refreshments, then, which is one of closed loop boundary line place pixel.
Preferably, the step in step (f) is 5 total, is ordered as the first ladder successively from small to large according to gray value
Grade, the second step, third step, the 4th step and the 5th step；Wherein, the intensity value ranges of the first step be 1-51, second
The intensity value ranges of step are 52-102, and the intensity value ranges of third step are 103-153, and the intensity value ranges of the 4th step are
The intensity value ranges of 154-204, the 5th step are 205-255.
Preferably, the step in step (f) can be divided into total 10, sort successively from small to large according to gray value
For the first step, the second step ..., the tenth step；Wherein, the intensity value ranges of the first step are 1-25, the second step
Intensity value ranges are 26-50, and the intensity value ranges of third step are 51-75, and the intensity value ranges of the 4th step are 76-100, the
The intensity value ranges of five steps are 101-125, and the intensity value ranges of the 6th step are 126-150, the gray value model of the 7th step
It enclosing for 151-175, the intensity value ranges of the 8th step are 176-200, and the intensity value ranges of the 9th step are 201-225, the tenth
The intensity value ranges of step are 226-255.
Preferably, the three-dimensional drawing software in step (g) is SOLIDWORKS, PROE or INVENTOR.
Described above is specific embodiments of the present invention.It is for illustration purposes only it should be appreciated that describing the embodiment, and
Those skilled in the art can make many changes and improvements without departing from the spirit and scope of the present invention.All improvement and
Variation is all intended to include in the scope of the invention limited by claim and its equivalent.
Claims (10)
- A kind of area detecting method 1. ball seat for automobile ball-joint head is tinted, it is characterised in that：Including having the following steps：(a) ball pin after spherical outside surface uniformly being tinted snaps into ball seat, and ball seat is installed in ball cover and by cover board riveting Fixation is connect, to be shaped to a complete spherical hinge structure；(b) clamping fixes above-mentioned spherical hinge structure, while using the central axes of ball seat spherical surface as rotation axis, utilizes torque spanner point 720 ° of ball pin is not rotated with counterclockwise clockwise；The riveted seam of the spherical hinge structure formed due to riveting, taking-up and ball are cut again Pin contacts and the ball seat for forming certain region of tinting in interior spherical surface；(c) the ball seat fixed placement after tinting is obtained the vertical view of the ball seat using gray scale camera, obtained on horizontal plane The 2-D gray image of above-mentioned ball seat vertical view；(d) under Matlab environment, above-mentioned 2-D gray image is pre-processed, removes the noise in image；(e) it under Matlab environment, using above-mentioned 2-D gray image after pretreatment as input, traverses in the image Entire gray level image is carried out level-one division by each pixel, to determine that the closed loop boundary line in region of tinting, output form above-mentioned Each pixel point coordinates of closed loop boundary line；(f) the pixel coordinate value according to above-mentioned boundary line in 2-D gray image regards in three-dimensional drawing software in selection Scheme reference plane as sketch drafting, draw out include above-mentioned boundary line two dimensional image, and the cube theory of determination ball seat The positioning datum of spherical surface；(g) according to the positioning datum of the cube theory sphere of ball seat, obtain inner sphere radius identical with above-mentioned ball seat model and Height value, to draw out the cube theory sphere of ball seat；(h) by the boundary line in above-mentioned two dimensional image along the direction projection to cube theory sphere of ball seat central axes；And pass through three It ties up mapping software and calculates the gross area that the borderline region of closed loop is included in above-mentioned cube theory sphere.
- 2. the method as described in claim 1,2-D gray image is pre-processed in step (d), is removed using noise filter Noise in image, and the pixel by gray value less than 3 resets its gray value and is unified for 0.
- 3. the method as described in claim 1, the gray value of the pixel where the closed loop boundary line in step (e) is not 0, and the gray value of its neighbor pixel at least one be 0, then, which is wherein one where closed loop boundary line A pixel.
- 4. the method as described in claim 1, the boundary line in step (e) be formed by enclosed region area do not answer it is small In the 75% of entire ball seat Internal Spherical Surface area, otherwise it is assumed that ball seat Internal Spherical Surface be bonded with ball pin it is unqualified；Also, the step (g) In cube theory sphere radius and height value be directly to be got by the measured data of ball seat.
- A kind of Subarea detecting method of area 5. ball seat for automobile ball-joint head is tinted, it is characterised in that：Include as follows Step：(a) ball pin after spherical outside surface uniformly being tinted snaps into ball seat, and ball seat is installed in ball cover and by cover board riveting Fixation is connect, to be shaped to a complete spherical hinge structure；(b) clamping fixes above-mentioned spherical hinge structure, while using the central axes of ball seat spherical surface as rotation axis, utilizes torque spanner point 720 ° of ball pin is not rotated with counterclockwise clockwise；The riveted seam of the spherical hinge structure formed due to riveting, taking-up and ball are cut again Pin contacts have simultaneously formed the ball seat in certain region of tinting in Internal Spherical Surface；(c) the ball seat fixed placement after tinting is obtained the vertical view of the ball seat using gray scale camera, obtained on horizontal plane The 2-D gray image of above-mentioned ball seat vertical view；(d) under Matlab environment, above-mentioned 2-D gray image is pre-processed, removes the noise in image；(e) it under Matlab environment, using above-mentioned 2-D gray image after pretreatment as input, traverses in the image Entire gray level image is carried out level-one division by each pixel, to determine that the closed loop boundary line in region of tinting, output form closed loop Each pixel point coordinates of boundary line；(f) classify to the region of tinting in above-mentioned boundary line, according to gray value size from small to large by above-mentioned region of tinting Interior each pixel is divided into each step, and different steps represents different compactness；And to above-mentioned different fittings The region of degree carries out two level division, determines the boundary curve in each compactness region；(g) pixel coordinate value of the boundary line divided with two level in 2-D gray image is divided according to above-mentioned level-one, Reference plane of the top view as sketch drafting is selected in three-dimensional drawing software, draw out include above-mentioned boundary line X-Y scheme Picture；And determine the positioning datum of the cube theory sphere of ball seat；(h) according to the positioning datum of the cube theory sphere of ball seat, obtain inner sphere radius identical with above-mentioned ball seat model and Height value, to draw out the cube theory sphere of ball seat；And by all boundary curves in above-mentioned two dimensional image along ball seat axis On line direction projection to cube theory sphere, and the different patches surrounded by boundary curve are marked out in the cube theory sphere The step in right region；(i) area shared by ball seat Internal Spherical Surface difference compactness region and above-mentioned different patches are calculated in three-dimensional drawing software Area percentage of the right region in region of entirely tinting.
- 6. method as claimed in claim 5, noise reduction is carried out to original-gray image in step (d), is gone using noise filter Except the noise in image, and the pixel by gray value less than 3 resets its gray value and is unified for 0.
- 7. method as claimed in claim 5, the boundary line in step (e) be formed by enclosed region area do not answer it is small In the 75% of entire ball seat Internal Spherical Surface area, otherwise it is assumed that ball seat Internal Spherical Surface be bonded with ball pin it is unqualified；Also, the step (h) In cube theory sphere radius and height value be directly to be got by the measured data of ball seat.
- 8. method as claimed in claim 6, the gray value of the pixel where the closed loop boundary line in step (e) is not 0, and the gray value of its neighbor pixel at least one be 0, then, which is wherein one where closed loop boundary line A pixel.
- 9. method as claimed in claim 5, the step in step (f) is 5 total, from small to large successively according to gray value It is ordered as the first step, the second step, third step, the 4th step and the 5th step；Wherein, the intensity value ranges of the first step Intensity value ranges for 1-51, the second step are 52-102, and the intensity value ranges of third step are 103-153, the 4th step Intensity value ranges are 154-204, and the intensity value ranges of the 5th step are 205-255.
- 10. method as claimed in claim 5, the three-dimensional drawing software in step (g) be PROE, SOLIDWORKS or INVENTOR。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911393028.5A CN111141234B (en) | 2018-03-01 | 2018-03-01 | Ball seat painting area for automobile ball hinge joint and partition detection method thereof |
| CN201911395057.5A CN111043962A (en) | 2018-03-01 | 2018-03-01 | Ball seat painting area for automobile ball hinge joint and partition detection method thereof |
| CN201810170986.5A CN108362232B (en) | 2018-03-01 | 2018-03-01 | Ball seat painting area for automobile ball hinge joint and partition detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170986.5A CN108362232B (en) | 2018-03-01 | 2018-03-01 | Ball seat painting area for automobile ball hinge joint and partition detection method thereof |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911395057.5A Division CN111043962A (en) | 2018-03-01 | 2018-03-01 | Ball seat painting area for automobile ball hinge joint and partition detection method thereof |
| CN201911393028.5A Division CN111141234B (en) | 2018-03-01 | 2018-03-01 | Ball seat painting area for automobile ball hinge joint and partition detection method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108362232A true CN108362232A (en) | 2018-08-03 |
| CN108362232B CN108362232B (en) | 2020-01-24 |
Family
ID=63003000
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911393028.5A Active CN111141234B (en) | 2018-03-01 | 2018-03-01 | Ball seat painting area for automobile ball hinge joint and partition detection method thereof |
| CN201810170986.5A Active CN108362232B (en) | 2018-03-01 | 2018-03-01 | Ball seat painting area for automobile ball hinge joint and partition detection method thereof |
| CN201911395057.5A Withdrawn CN111043962A (en) | 2018-03-01 | 2018-03-01 | Ball seat painting area for automobile ball hinge joint and partition detection method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911393028.5A Active CN111141234B (en) | 2018-03-01 | 2018-03-01 | Ball seat painting area for automobile ball hinge joint and partition detection method thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911395057.5A Withdrawn CN111043962A (en) | 2018-03-01 | 2018-03-01 | Ball seat painting area for automobile ball hinge joint and partition detection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN111141234B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683220A (en) * | 2020-12-07 | 2021-04-20 | 北京星航机电装备有限公司 | Spherical surface detection method for ball socket part |
| CN115164766A (en) * | 2022-06-14 | 2022-10-11 | 南通黄海药械有限公司 | Intelligent measuring device and method for irregular garden graph |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002081925A (en) * | 2000-09-06 | 2002-03-22 | Seiko Epson Corp | Sphere phase driving device, phase detection method, and information recording medium |
| CN102256722A (en) * | 2008-12-22 | 2011-11-23 | Ntn株式会社 | Forging method, closed forging mold and tripod uniform motion universal joint |
| CN104359426A (en) * | 2014-11-20 | 2015-02-18 | 四川望锦机械有限公司 | Method for quantizing colored area during coloring detection of ball pin base |
| CN204286342U (en) * | 2014-11-19 | 2015-04-22 | 四川望锦机械有限公司 | A kind of spherical arc inner chamber stained area detection limit gasifying device |
| CN105389811A (en) * | 2015-10-30 | 2016-03-09 | 吉林大学 | Multi-modality medical image processing method based on multilevel threshold segmentation |
| CN105890764A (en) * | 2016-03-31 | 2016-08-24 | 杭州市农业科学研究院 | Plant flower color shade distinguishing method based on computer image processing |
| CN106901445A (en) * | 2017-03-22 | 2017-06-30 | 青岛小步科技有限公司 | A kind of orthopedics preparation method and system based on imaging pressure and dimensional Modeling Technology |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU1879392A (en) * | 1991-04-17 | 1992-11-17 | Medix Biotech, Inc. | Colorfast reference device for immunoassays |
| JP2002170123A (en) * | 2000-11-30 | 2002-06-14 | Bridgestone Corp | Method for measuring area |
| CN101709958A (en) * | 2009-12-15 | 2010-05-19 | 武汉钢铁(集团)公司 | Method for measuring salt spray corrosion area of steel plate |
| CN102749046B (en) * | 2012-07-23 | 2015-04-22 | 中国地质大学（武汉） | Method for measuring shearing area of rock structural plane in direct shear test |
| CN205043579U (en) * | 2015-10-19 | 2016-02-24 | 沃得精机(中国)有限公司 | Bulb subassembly grinds machine |
| CN107154050A (en) * | 2017-05-03 | 2017-09-12 | 魏玉震 | A kind of automatic obtaining method of the stone material geometric parameter based on machine vision |
| CN107424157A (en) * | 2017-08-11 | 2017-12-01 | 南京航空航天大学 | Animal sticks the computational methods and computing system of contact zone real contact area |
| CN107631703A (en) * | 2017-10-11 | 2018-01-26 | 云南省交通规划设计研究院 | A kind of road surface bump contacts area test system and its method of testing |
-
2018
- 2018-03-01 CN CN201911393028.5A patent/CN111141234B/en active Active
- 2018-03-01 CN CN201810170986.5A patent/CN108362232B/en active Active
- 2018-03-01 CN CN201911395057.5A patent/CN111043962A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002081925A (en) * | 2000-09-06 | 2002-03-22 | Seiko Epson Corp | Sphere phase driving device, phase detection method, and information recording medium |
| CN102256722A (en) * | 2008-12-22 | 2011-11-23 | Ntn株式会社 | Forging method, closed forging mold and tripod uniform motion universal joint |
| CN204286342U (en) * | 2014-11-19 | 2015-04-22 | 四川望锦机械有限公司 | A kind of spherical arc inner chamber stained area detection limit gasifying device |
| CN104359426A (en) * | 2014-11-20 | 2015-02-18 | 四川望锦机械有限公司 | Method for quantizing colored area during coloring detection of ball pin base |
| CN105389811A (en) * | 2015-10-30 | 2016-03-09 | 吉林大学 | Multi-modality medical image processing method based on multilevel threshold segmentation |
| CN105890764A (en) * | 2016-03-31 | 2016-08-24 | 杭州市农业科学研究院 | Plant flower color shade distinguishing method based on computer image processing |
| CN106901445A (en) * | 2017-03-22 | 2017-06-30 | 青岛小步科技有限公司 | A kind of orthopedics preparation method and system based on imaging pressure and dimensional Modeling Technology |
Non-Patent Citations (1)
| Title |
|---|
| 张高飞: "三自由度动量球渐变色编码与方位测量", 《清华大学学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112683220A (en) * | 2020-12-07 | 2021-04-20 | 北京星航机电装备有限公司 | Spherical surface detection method for ball socket part |
| CN115164766A (en) * | 2022-06-14 | 2022-10-11 | 南通黄海药械有限公司 | Intelligent measuring device and method for irregular garden graph |
| CN115164766B (en) * | 2022-06-14 | 2024-04-26 | 南通黄海药械有限公司 | Intelligent measuring device and measuring method for irregular patterns in gardens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111043962A (en) | 2020-04-21 |
| CN111141234A (en) | 2020-05-12 |
| CN111141234B (en) | 2021-06-04 |
| CN108362232B (en) | 2020-01-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106932271B (en) | A kind of ball indentation test impression dimension measurement method based on reverse-engineering | |
| CN104515786A (en) | Method for detecting and analyzing internal defect evolution of metal casting in fatigue process | |
| CN108362232A (en) | A kind of ball seat for automobile ball-joint head is tinted area and its Subarea detecting method | |
| CN109829895A (en) | A kind of AOI defect inspection method based on GAN | |
| CN113658155A (en) | Object surface flaw detection and analysis method and device based on photometric stereo | |
| CN104809756A (en) | Asphalt void space structure reconstruction method based on X-ray CT image | |
| CN109408909A (en) | A kind of three-dimensional rough surface micro-bulge approximating method | |
| CN113702384A (en) | Surface defect detection device, detection method and calibration method for rotary component | |
| CN116433840A (en) | Method for synthesizing and detecting specific damage image of ballastless track plate fastener | |
| CN115457541A (en) | Jewelry quality identification method and device based on image recognition | |
| CN108257168B (en) | A kind of ball seat for flexural pivot is tinted the Subarea detecting method of area and its region compactness of tinting | |
| CN113203385B (en) | Non-interference five-axis scanning track generation method and system | |
| CN110135515A (en) | A kind of structural homogeneity of rock mass automatic Mesh Partition Method based on image texture | |
| CN109447968A (en) | The metamorphic testing system of image-region growth algorithm | |
| CN116958645A (en) | Scratch identification method for full-automatic integrated automobile paint repair | |
| CN109670249A (en) | A kind of Machine Design method of adjustment based on maintenance vision accessibility | |
| CN106770372B (en) | White glass detection method of surface flaw based on micro-vision | |
| CN113240805B (en) | Method for representing rock mass crack surface by universal elliptic disc model | |
| CN113222950A (en) | Surface defect detection model training method, surface defect detection method and system | |
| RU2419069C2 (en) | Method for noncontact measurement of shape of object | |
| CN114882027B (en) | Electronic equipment chip pin defect detection method and system | |
| US20240153066A1 (en) | Visual inspection apparatus, visual inspection method, image generation apparatus, and image generation method | |
| CN113222880A (en) | Analytical detection method | |
| CN102980529B (en) | Part shape difference detection method based on multi-scale mesh vertex average gradient | |
| Sun et al. | Research on Both the Classification and Quality Control Methods of the Car Seat Backrest Based on Machine Vision |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211118 Address after: 251100 room 402, complex building, No. 192, Qifa Avenue, economic development zone, Qihe County, De Zhou City, Shandong Province Patentee after: Qihe Zhigu Industrial Development Co.,Ltd. Address before: 311414 Zhejiang province Hangzhou city Fuyang District Dayuan town Kou Kou Village Patentee before: HANGZHOU FUYANG XINYUAN NEW ENERGY Co.,Ltd. |