CN109782411A - A kind of lens erection method and device - Google Patents
A kind of lens erection method and device Download PDFInfo
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- CN109782411A CN109782411A CN201910190331.9A CN201910190331A CN109782411A CN 109782411 A CN109782411 A CN 109782411A CN 201910190331 A CN201910190331 A CN 201910190331A CN 109782411 A CN109782411 A CN 109782411A
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- erection
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Abstract
The invention discloses a kind of lens erection method and devices.First lens assembly and the second lens assembly are first set between described image sensor and test target by the lens erection method, described image sensor is driven to obtain the first test image of the test target through first lens assembly and the second lens assembly again, then according to the first test image obtained, calculate the offset and/or tilt quantity of optical centre between first lens assembly and the second lens assembly, then move and/or rotate first lens assembly and/or second lens assembly, to correct the offset and/or tilt quantity of optical centre between first lens assembly and the second lens assembly, finally the relative position between first lens assembly and the second lens assembly is fixed, obtain the first lens erection part.Lens erection efficiency can be improved in the lens erection method, and timely correction can deviate and/or tilt during group is vertical, reduces product repair rate, improves product yield.
Description
Technical field
The present invention relates to camera lens mounting technology more particularly to a kind of lens erection method and devices.
Background technique
Lens erection refer to by camera lens multiple eyeglasses and spacer ring be successively spaced and be pressed into lens barrel, be finally pressed into pressing ring
And carry out the fixed assembling process of dispensing.During the group of camera lens is vertical, the circle of lens barrel is relied between the optical centre of each eyeglass
Shape assembly cavity carries out limit alignment, can not monitor the offset and inclination of optical centre in real time during group is vertical, can only in group
Entire camera lens is detected again after the completion of vertical, is reprocessed again if discovery offset or inclination, inefficiency, the degree of automation
It is insufficient.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art, the present invention provides a kind of lens erection method, passes through the group in camera lens
During vertical, the offset and/or tilt quantity of optical centre between each Lens assembly are detected and corrected in real time, is improved
Lens erection efficiency, and timely correction can deviate and/or tilt during organizing vertical, it is good to reduce product repair rate, raising product
Rate.
The present invention also provides a kind of lens erection devices.
The technical problems to be solved by the invention are achieved by the following technical programs:
A kind of lens erection method, including the imaging sensor that is oppositely arranged and test target, described image sensor it is photosensitive
Facing towards the test chart of the test target；This method comprises the following steps:
Step 1: the first lens assembly with an at least eyeglass and the second lens assembly with an at least eyeglass are set to institute
It states between imaging sensor and test target, wherein survey of the light inputting end of first lens assembly towards the test target
Attempt, second lens assembly goes out photosurface of the light end towards described image sensor, and first lens assembly goes out
Light end is located on the light inputting end of second lens assembly；
Step 2: driving described image sensor obtains the test mark through first lens assembly and the second lens assembly
First test image of target；
Step 3: according to the first test image obtained, calculating optics between first lens assembly and the second lens assembly
The offset and/or tilt quantity at center；
Step 4: moving and/or rotate first lens assembly and/or second lens assembly, to correct first mirror
The offset and/or tilt quantity of optical centre between head assembly and the second lens assembly；
Step 5: the relative position between first lens assembly and the second lens assembly being fixed, the first camera lens is obtained
The vertical part of group.
Further, the first lens erection part is finished product camera lens.
Further, the first lens erection part is non-finished product camera lens.
Further, in step 1, a compensation camera lens is set between first lens assembly and test target, institute
The light inputting end of compensation camera lens is stated towards the test chart of the test target, light end enters light towards first lens assembly out
End；Alternatively, a compensation camera lens is set between second lens assembly and imaging sensor, the light inputting end of the compensation camera lens
Go out light end towards second lens assembly, out photosurface of the light end towards described image sensor；Wherein,
The optical effect of first lens assembly, the second lens assembly and compensation camera lens is equivalent to the optics effect of finished product camera lens
Fruit, in step 2, described image sensor obtain institute through first lens assembly, the second lens assembly and compensation camera lens
State the first test image of test target.
Further, it is connected and fixed between first lens assembly and the second lens assembly by bonding way.
Further, after step 5, further include following steps:
Step 6: the third lens assembly with an at least eyeglass is set between the first lens erection part and test target,
The light inputting end of the third lens assembly is towards the test chart of the test target, and light end is located at the first lens erection part out
Light inputting end on；Alternatively, the third lens assembly with an at least eyeglass is set to the first lens erection part and image biography
Between sensor, the light inputting end of the third lens assembly is located on the light end out of the first lens erection part, out light end direction
The photosurface of described image sensor；
Step 7: driving described image sensor obtains the test through the third lens assembly and the first lens erection part
Second test image of target；
Step 8: according to the second test image obtained, calculating light between the third lens assembly and the first lens erection part
The offset and/or tilt quantity at center；
Step 9: moving and/or rotate the third lens assembly and/or the first lens erection part, to correct the third
The offset and/or tilt quantity of optical centre between lens assembly and the first lens erection part；
Step 10: the relative position between the third lens assembly and the first lens erection part being fixed, obtains second
Lens erection part.
Further, the second lens erection part is finished product camera lens.
Further, it is connected and fixed between the third lens assembly and the first lens erection part by bonding way.
A kind of lens erection device is stood for successively organizing at least two lens assemblies as finished product camera lens, each lens assembly
In have an at least eyeglass；The device includes the imaging sensor being oppositely arranged and test target, the sense of described image sensor
Test chart of the smooth surface towards the test target；And
Processing module, for driving described image sensor to obtain the survey for testing target through the vertical lens assembly of group is carried out
Attempt picture, then calculated according to the test image obtained carry out between the vertical lens assembly of group the offset of optical centre and/
Or tilt quantity, finally issue corresponding correction control instruction；
Correcting mechanism is used in the case where correcting control instruction, and mobile and/or rotation carries out the vertical lens assembly of group, to correct progress
The offset and/or tilt quantity of optical centre between the vertical lens assembly of group.
It further, further include a compensation camera lens, for when obtaining test image, the lens assembly vertical with group is carried out to be matched
The optical effect of finished product camera lens is drawn up in molding.
The present invention stacks following the utility model has the advantages that the lens erection method is by during the group of camera lens is vertical, in real time to each
The offset and/or tilt quantity of optical centre are detected and are corrected between a Lens assembly, improve lens erection efficiency, and can
Timely correction offset and/or inclination during group is vertical, reduce product repair rate, improve product yield.
Detailed description of the invention
Fig. 1 is the step block diagram of lens erection method provided by the invention；
Fig. 2 is the schematic diagram one of lens erection device provided by the invention；
Fig. 3 is the schematic diagram two of lens erection device provided by the invention.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and examples.
Embodiment one
As illustrated in fig. 1 and 2, a kind of lens erection method, including the imaging sensor 2 and test target 1 being oppositely arranged, the figure
As sensor 2 photosurface towards it is described test target 1 test chart；This method comprises the following steps:
Step 1: the first lens assembly 3 with an at least eyeglass and the second lens assembly 4 with an at least eyeglass are set to
Between described image sensor 2 and test target 1, wherein the light inputting end of first lens assembly 3 is towards the test target
1 test chart, second lens assembly 4 go out photosurface of the light end towards described image sensor 2, first lens group
The light end that goes out of part 3 is located on the light inputting end of second lens assembly 4；
In the step 1, first lens assembly 3 includes the first lens barrel, and an at least eyeglass is set to described in a stacked
In first lens barrel；Second lens assembly 4 includes the second lens barrel, and an at least eyeglass is also set to described second in a stacked
In lens barrel；Going out for first lens barrel is in contact between light end and the light inputting end of second lens barrel but activity (can not consolidate relatively
It is scheduled on together).
Step 2: driving described image sensor 2 obtains described through first lens assembly 3 and the second lens assembly 4
Test the first test image of target 1；
Step 3: according to the first test image obtained, calculating light between first lens assembly 3 and the second lens assembly 4
The offset and/or tilt quantity at center；
Step 4: moving and/or rotate first lens assembly 3 and/or second lens assembly 4, to correct described first
The offset and/or tilt quantity of optical centre between lens assembly 3 and the second lens assembly 4；
Step 5: the relative position between first lens assembly 3 and the second lens assembly 4 being fixed, the first mirror is obtained
Head organizes vertical part.
In the lens erection method, stood if finished product shot segmentation is carried out group for two lens assemblies, in steps of 5
Obtained the first lens erection part is finished product camera lens；If being three or three or more lens groups by the finished product shot segmentation
It is vertical (being three lens assemblies in the present embodiment) that part successively carries out group, and first lens assembly 3 and the second lens assembly 4 are only
For the two of them lens assembly after the finished product shot segmentation, then the first lens erection part obtained in steps of 5 is
Non- finished product camera lens, at this time due to the optical effect of first lens assembly 3 and the second lens assembly 4 and the finished product camera lens
It is had differences between optical effect, causes the first test image obtained in step 2 it is possible that situations such as image is fuzzy,
And then lead in step 3 that there are large errors for calculated offset and/or tilt quantity, thus preferably, in step 1,
One compensation camera lens 7 is set between first lens assembly 3 and test target 1, the light inputting end of the compensation camera lens 7 is towards institute
The test chart of test target 1 is stated, out light inputting end of the light end towards first lens assembly 3；Alternatively, a compensation camera lens 7 is set
Between second lens assembly 4 and imaging sensor 2, the light inputting end of the compensation camera lens 7 is towards second lens group
Part 4 goes out light end, out photosurface of the light end towards described image sensor 2；Wherein,
The optical effect of first lens assembly 3, the second lens assembly 4 and compensation camera lens 7 is equivalent to the finished product camera lens
Optical effect, in step 2, described image sensor 2 is through first lens assembly 3, the second lens assembly 4 and compensating glass
First 7 obtain the first test image of the test target 1.
The effect of the compensation camera lens 7 is by its optical effect and first lens assembly 3 and the second lens assembly 4
After optical effect superposition, the optical effect close to the finished product camera lens can be simulated, enables first test image
Enough true imagings close to the finished product camera lens, reduce the calculating error of offset and/or tilt quantity in step 3.
Wherein, it is connected and fixed between first lens assembly 3 and the second lens assembly 4 by bonding way.Specifically,
Adhesive 5 can be coated on the junction outer wall of first lens assembly 3 and the second lens assembly 4, then in steps of 5
Adhesive 5 on the outer wall of junction is solidified；It can also first in step 1, by first lens assembly 3 and second
Outer place in junction end face periphery between lens assembly 4 coats adhesive 5, then in steps of 5, to first lens assembly
3 and the second adhesive 5 between lens assembly 4 solidified.
The finished product shot segmentation is successively carried out group for three lens assemblies and stood by the present embodiment, i.e., as shown in figs. 1 and 3,
After step 5, further include following steps:
Step 6: will with an at least eyeglass third lens assembly 6 be set to the first lens erection part and test target 1 it
Between, the light inputting end of the third lens assembly 6 is towards the test chart of the test target 1, and light end is located at first camera lens out
On the light inputting end of the vertical part of group；Alternatively, will with an at least eyeglass third lens assembly 6 be set to the first lens erection part and
Between imaging sensor 2, the light inputting end of the third lens assembly 6 is located on the light end out of the first lens erection part, out
Photosurface of the light end towards described image sensor 2；
In the step 6, the third lens assembly 6 includes third lens barrel, and an at least eyeglass is set to described in a stacked
In third lens barrel.
Step 7: driving described image sensor 2 obtains institute through the third lens assembly 6 and the first lens erection part
State the second test image of test target 1；
Step 8: according to the second test image obtained, calculating between the third lens assembly 6 and the first lens erection part
The offset and/or tilt quantity of optical centre；
Step 9: it is mobile and/or rotate the third lens assembly 6 and/or the first lens erection part, to correct described the
The offset and/or tilt quantity of optical centre between three-lens component 6 and the first lens erection part；
Step 10: the relative position between the third lens assembly 6 and the first lens erection part being fixed, obtains second
Lens erection part.
It is stood since the finished product shot segmentation is successively carried out group for three camera lens parts by the present embodiment, in step 10
Obtained the second lens erection part is finished product camera lens.
Wherein, it is connected and fixed between the third lens assembly 6 and the first lens erection part by bonding way.Specifically
, adhesive 5 can be coated on the junction outer wall of the third lens assembly 6 and the first lens erection part in step 10,
Then the adhesive 5 on the outer wall of junction is solidified；It can also first in step 6, by 6 He of third lens assembly
Outer place in junction end face periphery between first lens erection part coats adhesive 5, then in step 10, to the third mirror
Adhesive 5 between head assembly 6 and the first lens erection part is solidified.
Described adhesive 5 can be optic-solidified adhesive or heat-curable glue etc..
The lens erection method is by during the group of camera lens is vertical, in real time to optical centre between each Lens assembly
Offset and/or tilt quantity are detected and are corrected, and improve lens erection efficiency, and timely correction can deviate during group is vertical
And/or inclination, it reduces product repair rate, improve product yield.
Embodiment two
As shown in Figures 2 and 3, a kind of lens erection device will at least applied in lens erection method described in embodiment one
Two lens assemblies, which are successively organized, to be stood as finished product camera lens, has an at least eyeglass in each lens assembly；The device includes being oppositely arranged
Imaging sensor 2 and test target 1, the test chart of the photosurface of described image sensor 2 towards the test target 1；With
And
Processing module, for driving described image sensor 2 to obtain the test target 1 through the vertical lens assembly of group is carried out
Then test image calculates the offset for carrying out optical centre between the vertical lens assembly of group according to the test image obtained
And/or tilt quantity, finally issue corresponding correction control instruction；
Correcting mechanism is used in the case where correcting control instruction, and mobile and/or rotation carries out the vertical lens assembly of group, to correct progress
The offset and/or tilt quantity of optical centre between the vertical lens assembly of group.
Wherein, the processing module can be computer；The correcting mechanism can be, but not limited to pass through for mechanical gripper
Crawl carries out the vertical lens assembly of group, and drive carry out the vertical lens assembly of group moved on the three axis solid spaces of XYZ and/or
Rotation is to correct offset and/or tilt quantity.
The lens erection device further include:
Fixed mechanism is fixed for correcting the relative position between the lens assembly after offset and/or tilt quantity.
Specifically, the fixed mechanism includes:
Dispensing component, for coating adhesive 5 on the junction for carrying out the vertical lens assembly of group；And/or
Curing assembly, for being carried out to the adhesive 5 on the junction of lens assembly after correcting offset and/or tilt quantity
Solidification.
Wherein, if described adhesive 5 is optic-solidified adhesive, the curing assembly includes a light-solidified lamp, if the bonding
Agent 5 is heat-curable glue, then the curing assembly includes a fan heater.
The lens erection device further includes a compensation camera lens 7, is used for when obtaining test image, a camera lens vertical with group is carried out
Component cooperates the optical effect for simulating finished product camera lens.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as, as long as skill obtained in the form of equivalent substitutions or equivalent transformations
Art scheme should all be fallen within the scope and spirit of the invention.
Claims (10)
1. a kind of lens erection method, which is characterized in that including the imaging sensor and test target being oppositely arranged, described image
Test chart of the photosurface of sensor towards the test target；This method comprises the following steps:
Step 1: the first lens assembly with an at least eyeglass and the second lens assembly with an at least eyeglass are set to institute
It states between imaging sensor and test target, wherein survey of the light inputting end of first lens assembly towards the test target
Attempt, second lens assembly goes out photosurface of the light end towards described image sensor, and first lens assembly goes out
Light end is located on the light inputting end of second lens assembly；
Step 2: driving described image sensor obtains the test mark through first lens assembly and the second lens assembly
First test image of target；
Step 3: according to the first test image obtained, calculating optics between first lens assembly and the second lens assembly
The offset and/or tilt quantity at center；
Step 4: moving and/or rotate first lens assembly and/or second lens assembly, to correct first mirror
The offset and/or tilt quantity of optical centre between head assembly and the second lens assembly；
Step 5: the relative position between first lens assembly and the second lens assembly being fixed, the first camera lens is obtained
The vertical part of group.
2. lens erection method according to claim 1, which is characterized in that the first lens erection part is finished product mirror
Head.
3. lens erection method according to claim 1, which is characterized in that the first lens erection part is non-finished product mirror
Head.
4. lens erection method according to claim 3, which is characterized in that in step 1, a compensation camera lens is set to institute
It states between the first lens assembly and test target, the light inputting end of the compensation camera lens is towards the test chart for testing target, out
Light inputting end of the light end towards first lens assembly；Alternatively, a compensation camera lens is set to second lens assembly and image
Between sensor, the light inputting end of the compensation camera lens goes out light end towards second lens assembly, and light end is towards the figure out
As the photosurface of sensor；Wherein,
The optical effect of first lens assembly, the second lens assembly and compensation camera lens is equivalent to the optics effect of finished product camera lens
Fruit, in step 2, described image sensor obtain institute through first lens assembly, the second lens assembly and compensation camera lens
State the first test image of test target.
5. lens erection method according to any one of claims 1-4, which is characterized in that first lens assembly and
It is connected and fixed between two lens assemblies by bonding way.
6. lens erection method according to claim 3 or 4, which is characterized in that further include walking as follows after step 5
It is rapid:
Step 6: the third lens assembly with an at least eyeglass is set between the first lens erection part and test target,
The light inputting end of the third lens assembly is towards the test chart of the test target, and light end is located at the first lens erection part out
Light inputting end on；Alternatively, the third lens assembly with an at least eyeglass is set to the first lens erection part and image biography
Between sensor, the light inputting end of the third lens assembly is located on the light end out of the first lens erection part, out light end direction
The photosurface of described image sensor；
Step 7: driving described image sensor obtains the test through the third lens assembly and the first lens erection part
Second test image of target；
Step 8: according to the second test image obtained, calculating light between the third lens assembly and the first lens erection part
The offset and/or tilt quantity at center；
Step 9: moving and/or rotate the third lens assembly and/or the first lens erection part, to correct the third
The offset and/or tilt quantity of optical centre between lens assembly and the first lens erection part；
Step 10: the relative position between the third lens assembly and the first lens erection part being fixed, obtains second
Lens erection part.
7. lens erection method according to claim 6, which is characterized in that the second lens erection part is finished product mirror
Head.
8. lens erection method according to claim 6, which is characterized in that the third lens assembly and the first lens group
It is connected and fixed between vertical part by bonding way.
9. a kind of lens erection device, which is characterized in that stand for successively organizing at least two lens assemblies as finished product camera lens, each
There is an at least eyeglass in lens assembly；The device includes the imaging sensor being oppositely arranged and test target, and described image passes
Test chart of the photosurface of sensor towards the test target；And
Processing module, for driving described image sensor to obtain the survey for testing target through the vertical lens assembly of group is carried out
Attempt picture, then calculated according to the test image obtained carry out between the vertical lens assembly of group the offset of optical centre and/
Or tilt quantity, finally issue corresponding correction control instruction；
Correcting mechanism is used in the case where correcting control instruction, and mobile and/or rotation carries out the vertical lens assembly of group, to correct progress
The offset and/or tilt quantity of optical centre between the vertical lens assembly of group.
10. lens erection device according to claim 9, which is characterized in that further include a compensation camera lens, for obtaining
When test image, the lens assembly cooperation vertical with group is carried out simulates the optical effect of finished product camera lens.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910190331.9A CN109782411A (en) | 2019-03-13 | 2019-03-13 | A kind of lens erection method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910190331.9A CN109782411A (en) | 2019-03-13 | 2019-03-13 | A kind of lens erection method and device |
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| CN201910190331.9A Pending CN109782411A (en) | 2019-03-13 | 2019-03-13 | A kind of lens erection method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110365969A (en) * | 2019-07-03 | 2019-10-22 | 惠州市德赛西威汽车电子股份有限公司 | A kind of camera adjusting process |
| CN113064248A (en) * | 2021-03-29 | 2021-07-02 | 南昌欧菲光电技术有限公司 | Optical alignment method of camera, camera and electronic equipment |
| CN113064247A (en) * | 2021-03-29 | 2021-07-02 | 南昌欧菲光电技术有限公司 | Multi-lens group shooting lens correction method and detection system |
| CN113483994A (en) * | 2021-06-30 | 2021-10-08 | 湖北华鑫光电有限公司 | Method for determining optimal assembly angle of lens |
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| CN109116505A (en) * | 2018-07-24 | 2019-01-01 | 深圳睿晟自动化技术有限公司 | The optical axis bearing calibration of camera lens |
| CN109445234A (en) * | 2015-12-02 | 2019-03-08 | 宁波舜宇光电信息有限公司 | Using the camera module and its assemble method of split type camera lens |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110365969A (en) * | 2019-07-03 | 2019-10-22 | 惠州市德赛西威汽车电子股份有限公司 | A kind of camera adjusting process |
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| CN113064248A (en) * | 2021-03-29 | 2021-07-02 | 南昌欧菲光电技术有限公司 | Optical alignment method of camera, camera and electronic equipment |
| CN113064247A (en) * | 2021-03-29 | 2021-07-02 | 南昌欧菲光电技术有限公司 | Multi-lens group shooting lens correction method and detection system |
| CN113483994A (en) * | 2021-06-30 | 2021-10-08 | 湖北华鑫光电有限公司 | Method for determining optimal assembly angle of lens |
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Application publication date: 20190521 |