CN106303502B - The method for finding seated position in motor - Google Patents
The method for finding seated position in motor Download PDFInfo
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- CN106303502B CN106303502B CN201510248861.6A CN201510248861A CN106303502B CN 106303502 B CN106303502 B CN 106303502B CN 201510248861 A CN201510248861 A CN 201510248861A CN 106303502 B CN106303502 B CN 106303502B
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Abstract
A kind of method of seated position in searching motor, the image of a camera module shooting is obtained first, pass through image detection techniques, identify the mark point in image, then by the variation of mark point, the total kilometres of side cover movement are calculated by corresponding algorithm using software, and then calculate the middle seated position of motor, it realizes the function of seated position in Automatic-searching motor, improves calibration efficiency and success rate.
Description
Technical field
The present invention relates to mobile phone camera module fields more particularly to a kind of magnetization ball integrated motor that is directed to find wherein
The method of seated position.
Background technology
With the fast development of photoelectric technology, the application range of camera module is more and more wider, such as mobile phone, video camera etc.,
And people are higher and higher to the requirement of the clarity of picture of taking pictures, this to be corrected camera module and seems and be even more important.It passes
The gradient of sensor (Sensor) and camera lens (Lens) optical center be consistent it is most important for the image quality of camera module,
It is the key factor for determining camera lens module quality, in the actual production process, sensor is often ensured by equipment calibration
It is consistent with the gradient of camera lens optical center, to improve the image quality of camera module.
There are more camera module all application magnetization ball integrated motors at present, and magnetizing ball integrated motor has
Special structure type, particularity show that camera lens is connected with side cover using ball type, and side cover and motor case it
Between there are gap, so can relatively move, but gap is smaller between side cover and motor case, and movement travel is limited, is passed using
It is relatively low directly to carry out AA success rates for the method for system AA (Active Alignment).It is found in the comparison during verification
Between position success rate it is higher, it is traditional look in the mode of putting be that seated position during pressure sensor is found is touched by mobile side cover,
The shortcomings that such mode, is had differences between each module, and the middle seated position found out is inaccurate.
Based on this, the present invention proposes a kind of method of seated position in being found using software by image, and performance test is soft
Part can fast and accurately calculate the middle seated position of motor by image, and side cover is moved to corresponding position, realizes automatic seeking
Look for the function of side cover middle seated position in motor.
The content of the invention
It is an object of the present invention to provide it is a kind of find motor in seated position method, using software by image from
It is dynamic find in seated position, solve the problems, such as discrepant when seated position in being found using pressure sensitive, improve AA efficiency
And success rate.
Another object of the present invention is to provide a kind of method for finding seated position in motor, by image detection techniques,
It identifies the mark point in image, by calculating the variation of mark point, calculates the total kilometres of side cover movement, so as to put in calculating
Position, result of calculation is accurate, and precision is higher.
Another object of the present invention is to provide in a kind of method for finding seated position in motor, respectively according to X-direction
Moved with Y direction, side cover be moved respectively to the middle seated position of X-direction and the middle seated position of Y direction so that it is mobile compared with
To be accurate.
Another object of the present invention is to provide a kind of method for finding seated position in motor, Automatic-searching horse can be realized
The middle seated position reached, it is simple and convenient.
Another object of the present invention is to provide a kind of method for finding seated position in motor, easily operated, test result
Accurately.
To meet the object above of the present invention and other objects of the present invention and advantage, the present invention provides a kind of searching horse
Up to the method for middle seated position, suitable for calibrating a camera module, wherein the camera module includes a magnetization ball integrated motor,
It includes a side cover, at least an at least ball, a camera lens and a motor case, the side cover, the ball and the camera lens one
Body is connected as a moving structure, and is installed in the motor case, wherein the described method comprises the following steps：
(a) obtain the camera module and shoot the image come, calculate the position of mark point by algorithm using a software
It puts；And
(b) according to the change in location of the mark point, the total kilometres of an at least predetermined direction for the moving structure are obtained,
Calculate the middle seated position per the predetermined direction, the middle seated position as the motor.
Preferably, an X-direction of the predetermined direction including the motor, a Y-axis reversely or an X-axis and Y-axis it is comprehensive
Close direction.
Further, the step (b) comprises the following steps：
(b.1) according to the change in location of the mark point, the total kilometres of the X-direction is obtained, calculate the X-axis side
To middle seated position；And
(b.2) according to the change in location of the mark point, the total kilometres of the Y direction is obtained, calculate the Y-axis side
To middle seated position.
Wherein, the step (b.1) and the step (b.2) calculate the middle seated position of the side cover.
Preferably, (b.1) step comprises the following steps：
(b.11) moving structure is moved along the X-direction forward direction, image is constantly obtained during movement,
The position of the mark point under real-time status is calculated, when the position of the mark point no longer changes, records presently described mark
Remember the position of point；
(b.12) moving structure is moved backward along the X-direction, image is constantly obtained during movement,
The position of the mark point under real-time status is calculated, when the position of the mark point no longer changes, records presently described mark
Remember the position of point；And
(b.13) total kilometres of the X-direction are determined by the change in location of the mark point, are calculated by total kilometres
Go out the middle seated position of the X-direction, suitable for the moving structure to be moved to the middle seated position of the X-direction.
Preferably, (b.2) step comprises the following steps：
(b.21) moving structure is moved along the Y direction forward direction, image is constantly obtained during movement,
The position of the mark point under real-time status is calculated, when the position of the mark point no longer changes, records presently described mark
Remember the position of point；
(b.22) moving structure is moved backward along the Y direction, image is constantly obtained during movement,
The position of the mark point under real-time status is calculated, when the position of the mark point no longer changes, records presently described mark
Remember the position of point；And
(b.23) total kilometres of the Y direction are determined by the change in location of the mark point, are calculated by total kilometres
Go out the middle seated position of the Y direction, suitable for the moving structure to be moved to the middle seated position of the Y direction.
Preferably, in the step (b.11), (b.12), (b.21) and (b.22), when the position of the mark point not
Change again, and when the total kilometres of moving structure movement are more than a preset value, judge that the side cover reaches the motor case
An edge.
Preferably, the X-direction and the Y direction are the both direction on the motor same plane, and the X
Direction of principal axis is vertical with the Y direction.
Description of the drawings
Fig. 1 is the schematic top plan view for magnetizing ball integrated motor.
Fig. 2 is the schematic elevation view for magnetizing ball integrated motor.
Fig. 3 A and Fig. 3 B are inside the side cover of magnetization ball integrated motor according to a preferred embodiment of the present invention
Interfere schematic diagram.
Fig. 3 C are that the side cover of the magnetization ball integrated motor of an above preferred embodiment according to the present invention is arrived with camera lens
Up to the schematic diagram of middle seated position.
Fig. 4 be above preferred embodiment according to the present invention a kind of searching motor in seated position method flow signal
Figure.
Fig. 5 be another preferred embodiment according to the present invention a kind of searching motor in seated position method flow
Figure.
Specific embodiment
It is described below to disclose the present invention so that those skilled in the art can realize the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description
The present invention basic principle can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back
Other technologies scheme from the spirit and scope of the present invention.
Fig. 1 and Fig. 2 show the structure diagram of camera module, and the camera module includes magnetization ball integral type horse
It reaches, including a moving structure 10 and a motor case 20, the moving structure 10 is slidably mounted on the motor case
In 20, wherein the moving structure 11 include a side cover 11 (being commonly called as pot cover) and an at least ball 12 (preferably magnetizing ball) with
And an at least camera lens 13, the camera lens 13 are connected by the ball 12 with 11 integral type of side cover, form the mobile knot
Structure 10, so that the camera lens 13 is moved with the movement of the side cover 11, the mobile side cover 11, when by the side cover
11 when being moved to the middle seated position of motor, and the camera lens 13 has also been accordingly moved to appropriate position.
It is noted that in this preferred embodiment of the present invention, the middle seated position refers to the moving structure
Middle seated position of 10 side cover 11 in motor case 20.Fig. 3 A to Fig. 3 C show the mobile knot provided by the invention
The structure diagram of the multiple states of the process of seated position in the motor case 20 is moved to of structure 10, due to the camera lens 13
It is connected with 11 integral type of side cover, when the movement side cover 11, the camera lens 13 is also moved accordingly, therefore,
In the present invention, by the way that the moving structure 10 is carried out the movement of X-direction and Y direction or the movement in other directions, make
The side cover 11 for obtaining the moving structure 10 is moved to successively in the middle seated position and the Y direction of the X-direction
Seated position, when the side cover 11 of the moving structure 10 is in the middle seated position of X-direction and Y direction simultaneously,
The side cover 11 is the middle seated position positioned at the motor case 20.
It is noted that in this preferred embodiment of the present invention, wherein the X-direction refers to along the horse
Up to the left and right directions of shell 20, the Y direction refers to the front-rear direction along the motor case 20, in addition, Z-direction is
Refer to the vertical direction along the motor case 20.In other words, the X-direction and the Y direction are outside the motor
Both direction on 20 same plane of shell, and the X-direction is vertical with the Y direction.
Respectively there are one grooves for the rear and front end of the side cover 11 so that the protrusion of the side cover 11 and the motor case 20
Between have gap, obtain so that the side cover 11 can be moved in the X-direction, meanwhile, the rear and front end of the side cover 11 with
There is gap between the motor case 20, obtain so that the side cover 11 is moved in the Y direction.
It is noted that in the present invention, front, back, left, right, up, down etc. represents that the word of directionality is relativity
Orientation, is not specific orientation, can change corresponding component placement direction in practice to change orientation, therefore, in the present invention
Front, back, left, right, up, down mentioned etc. represents that the word of directionality is only for purposes of illustrating, and is not intended to limit the present invention.
Therefore, the present invention found by software in seated position, by obtain the camera module shoot come image,
And then the position of mark point (Mark points) is calculated by corresponding algorithm using software, and cause the moving structure 10 according to
One predetermined direction is moved, and judges that the variation of mark point is confirmed in mark version by image, i.e., by image detection techniques,
It identifies the mark point in image, by the variation of mark point, the middle seated position per the predetermined direction is calculated, as the horse
Up to the middle seated position of shell 20.
Specifically, Fig. 4 show a kind of method flow diagram for finding seated position in motor provided by the invention, such as Fig. 4 institutes
Show, the method that software finds seated position in motor by image comprises the following steps：
(a) image that the camera module is shot is obtained, is calculated using a software by corresponding algorithm
The position of mark point；
(b) moving structure 10 is moved along an X-direction forward direction of the motor case 20, for example, towards described
The moving structure 10 is moved in the right hand edge direction of motor case 20, and image is constantly obtained during movement, calculates reality
When state under the mark point position, when the position of the mark point no longer changes, and mobile total kilometres distance is more than an X
When direction of principal axis preset value, then judge that the side cover 11 of the moving structure 10 has been moved to the motor case 20 in institute
An edge of X-direction is stated, records current mark point position, such as right hand edge, then current markers point position is institute
State the right hand edge mark point position of motor case 20；
(c) moving structure 10 is moved backward along the X-direction, for example, the left side towards the motor case 20
Edge direction moves the moving structure 10, calculates the position of mark point in real time equally during movement, finds out the horse
It in another edge labelling point position of the X-direction and is recorded up to shell 20, for example, the left hand edge of the motor case 20
Mark point position；
(d) total kilometres of the X-direction are determined eventually by the change in location of mark point, institute is calculated by total kilometres
The middle seated position of X-direction is stated, when calibration, suitable for the moving structure 10 is moved directly to the motor case 20
In the middle seated position of the X-direction；
(e) moving structure 10 is moved along a Y direction forward direction of the motor case 20, during movement
Image is constantly obtained, calculates the position of mark point under real-time status, when mark point position no longer changes, and mobile total kilometres
It is moved into apart from the side cover 11 for when being more than a Y direction preset value, then judging the moving structure 10 described
Motor case 20 records current mark point position, such as leading edge at an edge of the Y direction, then current mark
Note point position is the leading edge mark point position of the motor case 20；
(f) moving structure 10 is moved backward along the Y direction, calculates mark in real time equally during movement
Remember the position of point, find out the motor case 20 in another edge labelling point position of the Y direction and record, for example,
The back edge mark point position of the motor case 20；
(g) total kilometres of the Y direction are determined eventually by the variation of mark point, the Y is calculated by total kilometres
The middle seated position of direction of principal axis when calibration, exists suitable for the moving structure 10 is moved directly to the motor case 20
The middle seated position of the Y direction.
It is noted that positive mobile and reverse movement is opposite concept, for example, for the X-direction
For movement, when the direction that will be moved to the right hand edge of the motor case 20 is known as positive mobile, then outside the motor
The direction of the left hand edge movement of shell 20 is known as moving backward, similarly, when the side that will be moved to the left hand edge of the motor case 20
To when being known as positive mobile, then the direction moved to the right hand edge of the motor case 20 is known as moving backward；For Y direction
Movement for, when the direction that will be moved to the leading edge of the motor case 20 is known as positive mobile, then to the motor
The direction of the back edge movement of shell 20 is known as moving backward, similarly, when will move to the back edge of the motor case 20
When direction is known as positive mobile, then the direction moved to the leading edge of the motor case 20 is known as moving backward.That is,
Along moving for the X-direction, be to make the moving structure 10 will respectively towards the motor case 20 left hand edge and
Right hand edge moves, in order to calculate the total kilometres of the X-direction, first towards which direction movement；Along the Y
The movement of direction of principal axis is that the moving structure 10 to be made to be moved respectively towards the leading edge and back edge of the motor case 20
It is dynamic, in order to calculate the total kilometres of the Y direction, first towards which direction movement.Following is such.
It is noted that leading edge, back edge, left hand edge and the right hand edge of the motor case 20 each mean with it is described
11 corresponding part of side cover is the portion being in contact after the extreme position of the movement of side cover 11 with the motor case 20
Point.
According to above steps, the middle seated position of motor is calculated by software, realizes and is put in Automatic-searching motor
The function of position, correction when be able to directly so that the moving structure 10 be in middle seated position, improve AA efficiency with
Success rate, and then also it is improved the image quality of the camera module.
Further, Fig. 5 show another method flow diagram for finding seated position in motor provided by the invention, such as schemes
Shown in 5, the method that software finds seated position in motor by image comprises the following steps：
(A) image that the camera module is shot is obtained, is calculated using a software by corresponding algorithm
The position of mark point；
(B) moving structure 10 is moved along a Y direction forward direction of the motor case 20, for example, towards described
The moving structure 10 is moved in the back edge direction of motor case 20, and image is constantly obtained during movement, calculates reality
When state under the mark point position, when mark point position no longer changes, and mobile total kilometres distance is more than a Y direction
When preset value, then judge that the side cover 11 of the moving structure 10 has been moved to the motor case 20 in the Y-axis
Current mark point position, such as back edge are recorded in one edge in direction, then current markers point position is the motor
The back edge mark point position of shell 20；
(C) moving structure 10 is moved backward along the Y-axis, equally calculates mark point in real time during movement
Position, find out the motor case 20 in another edge labelling point position of the Y direction and record, for example, described
The leading edge mark point position of motor case 20；
(D) total kilometres of the Y direction are finally determined, the middle seated position of the Y direction is calculated by total kilometres,
When calibration, suitable for the moving structure 10 directly is moved to the motor case 20 in the Y direction
Middle seated position；
(E) moving structure 10 is moved along the X-axis forward direction, for example, the left hand edge towards the motor case 20
The moving structure 10 is moved in direction, and image is constantly obtained during movement, calculates the position of mark point under real-time status
It puts, when mark point position does not change and mobile total kilometres distance is more than an X-direction preset value, then described in judgement
The side cover 11 of moving structure 10 is moved into the motor case 20 at an edge of the X-direction, records
Current mark point position, such as left hand edge, then current markers point position is the left hand edge mark point of the motor case 20
Position；
(F) moving structure 10 is moved backward along the X-direction, for example, the right side towards the motor case 20
Edge moves the moving structure 10, and the position of mark point is calculated equally during movement, finds out the motor case 20
In another edge labelling point position of the X-direction, such as the right hand edge mark point position of the motor case 20；
(G) total kilometres of the X-direction are determined eventually by the variation of mark point, the X is calculated by total kilometres
The middle seated position of direction of principal axis, when calibration, suitable for the moving structure 10 is moved to the motor case 20 in X-axis side
To middle seated position.
By above-mentioned steps, the function of seated position in Automatic-searching motor is realized, and then is able to directly when correction
Connect the middle seated position that the moving structure 10 is moved to the motor case 20.
It is noted that the moving structure 10 the total kilometres of the X-direction refer to the side cover 11 with it is described
Gap summation between 20 left and right edges of motor case, when the movement moving structure 10 makes the side cover 11 arrive outside the motor
When the distance between left and right edges of shell 20 are the half of the X-direction total kilometres, the side cover 11 has then been located at described
Motor case 20 is in the middle seated position of the X-direction；The moving structure 10 refers to described in the total kilometres of the Y direction
Gap summation between 20 front and rear edges of side cover 11 and the motor case, when the movement moving structure 10 makes the side cover 11
When the distance between front and rear edges to the motor case 20 is the half of the Y direction total kilometres, the mobile knot
The side cover 11 of structure 10 has then been located at middle seated position of the motor case 20 in the Y direction.For example, by described soft
After the respective algorithms of part are calculated, the moving structure 10 (or described side cover 11) is obtained inside the motor case 20
Theoretical space, that is, 10 transportable total kilometres of the moving structure：X=80 μm, Y=100 μm, then calibration when
It waits, the mobile moving structure 10, it is X=to make the gap between 20 left and right edges of the side cover 11 and the motor case
40 μm, the gap between the side cover 11 and the motor case 20 between front and rear two edges is Y=50 μm, then the side cover
11 are located at middle seated position of the motor case 20 in the Y direction, then the side cover 11 is located at the motor respectively at this time
Shell 20 is located at the motor case in the X-direction and the middle seated position in the Y direction, i.e., described moving structure 10
20 middle seated position.
Therefore, obtain the image of camera module shooting, calculated accordingly using software, then when calibration,
The movement side cover 11 that can be quantified so that the camera lens 13, the side cover 11 and the ball 12 are located at outside the motor
The middle seated position of shell 20, effectively raises calibration efficiency and success rate.
It is noted that the present invention can also provide another method for finding seated position in motor, including following step
Suddenly：
(1) image that the camera module is shot is obtained, is calculated using a software by corresponding algorithm
The position of mark point；
(2) moving structure 10 is moved along a synthesis direction, image is constantly obtained during movement, calculates reality
When state under mark point position, when the position of mark point no longer changes, and mobile total kilometres distance is more than a preset value
When, then judge that the side cover 11 is moved into the motor case 20 at an edge in the comprehensive direction, record
Current mark point position；
(3) moving structure 10 is moved backward along the comprehensive direction, is equally calculated in real time during movement
The position of mark point is found out the motor case 20 in another edge labelling point position in the comprehensive direction and is recorded；
(4) total kilometres in the comprehensive direction are determined eventually by the variation of mark point, is calculated by total kilometres described
The moving structure 10 is moved to the middle seated position of the motor case 20 by the middle seated position in comprehensive direction.
It is noted that the comprehensive direction refers to the synthesis direction of the X-direction and the Y direction, such as
Diagonal, wherein the middle seated position in the comprehensive direction is both in the middle seated position of the X-direction and the Y direction
Seated position, after the moving structure 10 is moved to the middle seated position in the comprehensive direction, the moving structure 10 is then located at
The middle seated position of the motor case 20.So after calculating the total kilometres in the comprehensive direction by corresponding algorithm, move
Moving the moving structure 10 makes the head office that its gap between the two edges of the motor case 20 is the comprehensive direction
The half of journey, then when calibration, the movement side cover 11 that can be quantified is located in the motor case 20 and puts
Position.
It should be understood by those skilled in the art that foregoing description and attached the embodiment of the present invention shown in figure are only used as illustrating
And it is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.The function and structural principle of the present invention exists
It shows and illustrates in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.
Claims (10)
1. a kind of method for finding seated position in motor, suitable for calibrating a camera module, wherein the camera module includes a magnetic
Change ball integrated motor, it is the side cover, described including a side cover, at least an at least ball, a camera lens and a motor case
Ball and the camera lens integrally connected are a moving structure, and are installed in the motor case, which is characterized in that the method
Comprise the following steps：
(a) obtain the camera module and shoot the image come, calculate the position of mark point by algorithm using a software；With
And
(b) according to the change in location of the mark point, the total kilometres of an at least predetermined direction for the moving structure is obtained, are calculated
Go out the middle seated position per the predetermined direction, the middle seated position as the motor.
2. the method as described in claim 1, the predetermined direction includes an X-direction, a Y direction or an X-axis and Y-axis
Comprehensive direction.
3. method as claimed in claim 2, the step (b) comprises the following steps：
(b.1) according to the change in location of the mark point, the total kilometres of the X-direction is obtained, calculate the X-direction
Middle seated position；And
(b.2) according to the change in location of the mark point, the total kilometres of the Y direction is obtained, calculate the Y direction
Middle seated position.
4. in the step (b.1) and the step (b.2), the side cover is calculated in method as claimed in claim 3
Middle seated position.
5. the method as described in claim 3 or 4, (b.1) step comprises the following steps：
(b.11) moving structure is moved along the X-direction forward direction, image is constantly obtained during movement, calculated
Go out the position of the mark point under real-time status, when the position of the mark point no longer changes, record presently described mark point
Position；
(b.12) moving structure is moved backward along the X-direction, image is constantly obtained during movement, calculated
Go out the position of the mark point under real-time status, when the position of the mark point no longer changes, record presently described mark point
Position；And
(b.13) total kilometres of the X-direction are determined by the change in location of the mark point, institute is calculated by total kilometres
The middle seated position of X-direction is stated, suitable for the moving structure to be moved to the middle seated position of the X-direction.
6. method as claimed in claim 5, (b.2) step comprises the following steps：
(b.21) moving structure is moved along the Y direction forward direction, image is constantly obtained during movement, calculated
Go out the position of the mark point under real-time status, when the position of the mark point no longer changes, record presently described mark point
Position；
(b.22) moving structure is moved backward along the Y direction, image is constantly obtained during movement, calculated
Go out the position of the mark point under real-time status, when the position of the mark point no longer changes, record presently described mark point
Position；And
(b.23) total kilometres of the Y direction are determined by the change in location of the mark point, institute is calculated by total kilometres
The middle seated position of Y direction is stated, suitable for the moving structure to be moved to the middle seated position of the Y direction.
7. method as claimed in claim 6, in the step (b.11), (b.12), (b.21) and (b.22), when the mark
The position of note point no longer changes, and when the total kilometres of moving structure movement are more than a preset value, judges that the side cover reaches
One edge of the motor case.
8. the method as described in any in claim 2 to 4, the X-direction and the Y direction are same flat for the motor
Both direction on face, and the X-direction is vertical with the Y direction.
9. method as claimed in claim 6, the X-direction and the Y direction are two on the motor same plane
A direction, and the X-direction is vertical with the Y direction.
10. the method for claim 7, the X-direction and the Y direction is on the same planes of the motor
Both direction, and the X-direction is vertical with the Y direction.
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| CN204334744U (en) * | 2014-12-08 | 2015-05-13 | 宁波舜宇光电信息有限公司 | A kind of image module localization tool |
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