CN102455172A - Lens module measuring system and method - Google Patents
Lens module measuring system and method Download PDFInfo
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- CN102455172A CN102455172A CN2010105249493A CN201010524949A CN102455172A CN 102455172 A CN102455172 A CN 102455172A CN 2010105249493 A CN2010105249493 A CN 2010105249493A CN 201010524949 A CN201010524949 A CN 201010524949A CN 102455172 A CN102455172 A CN 102455172A
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Abstract
The invention provides a lens module measuring system which comprises a positioning seat, a lens module to be measured, an optical detection device and a processor device, wherein the positioning seat is fixed on a horizontal fixing plane and is provided with an accommodating groove; the lens module to be measured comprises a lens core and a lens accommodated in the lens core, wherein the lens core is accommodated in the accommodating groove, the central axis of the lens cone is vertical to a horizontal plane, and the lens comprises an optical surface and a non-optical surface which is a smooth and flat plane; the optical detection device is dead against the lens module to be measured and used for detecting space displacement difference of at least three points which are not in the same straight line on the non-optical surface of the lens; and the processor device is used for obtaining corresponding space coordinates according to the space displacement difference of the at least three points, calculating an inclined angle of the non-optical surface relative to the horizontal plane or the central axis of the lens cone according to the space coordinates of the at least three points, and judging whether the inclined angle is in an allowed error range, thereby improving the quality of the lens module. The invention also provides a lens module measuring method for measuring the inclined angle.
Description
Technical field
The present invention relates to a kind of camera lens module measuring system and measuring method thereof.
Background technology
For electronic product; Particularly be assembled with the consumption electronic products of camera lens module; Its development trend is lightweight and slimming; The camera lens module of relative set in it also becomes more and more littler, and be also increasingly high to the requirement of precision, so the packaging technology of camera lens module also needs higher degree of accuracy and stability.Yet, in the process of assembling, maybe be inaccurate owing to contraposition, or the product tolerance, after eyeglass is inserted lens barrel, between eyeglass and lens barrel, can there be certain angle more or less, if crossing conference, said angle make the focusing of camera lens module inaccurate, influenced product quality.Whether angle could be judged after must passing through measurement within the error range that allows, yet according to present measuring technique, the corner dimension between small-sized eyeglass and the lens barrel is difficult to measure with conventional angle measurement unit.So, how accurately to measure the angle between eyeglass and the lens barrel (or eyeglass and surface level), become this area problem demanding prompt solution.
Summary of the invention
In view of this, be necessary to provide a kind of measuring system and the measuring method thereof that can accurately measure the eyeglass pitch angle of camera lens module.
A kind of camera lens module measuring system comprises: positioning seat, be fixed on the horizontal fixed face, and it has an accepting groove; Camera lens module to be measured comprises lens barrel and is housed in the eyeglass in the lens barrel that lens barrel is housed in the accepting groove, and the central shaft of lens barrel is perpendicular to surface level, and eyeglass comprises optical surface and Non-optical surfaces, and said Non-optical surfaces is the plane of smooth; Optical detection apparatus, with camera lens module to be measured over against, its space displacement that is used to detect on the eyeglass Non-optical surfaces between at least three points is poor, said at least three points are not on same straight line; And processor device; Be used for obtaining corresponding volume coordinate according to the space displacement difference of these at least three points; And according to this Non-optical surfaces of spatial coordinates calculation of these at least three points with respect to the horizontal plane or the pitch angle of lens barrel central shaft, and judge that this pitch angle is whether in the error allowed band.
A kind of camera lens module measuring method; May further comprise the steps: a camera lens module to be measured is provided; This camera lens module to be measured comprises lens barrel and is housed in the eyeglass in the lens barrel, and eyeglass comprises optical surface and Non-optical surfaces, and said Non-optical surfaces is the plane of smooth; Lens barrel is fixed on the horizontal fixed face, and the central shaft of lens barrel is perpendicular to surface level; Provide one with said camera lens module to be measured over against optical detection apparatus, the space displacement that detects on the eyeglass Non-optical surfaces between at least three points is poor, said at least three points are not on same straight line; And calculate corresponding volume coordinate according to the space displacement difference of these at least three points, and with respect to the horizontal plane or the pitch angle of lens barrel central shaft, and judge that this pitch angle is whether in the error allowed band according to this Non-optical surfaces of this spatial coordinates calculation.
With respect to prior art; Eyeglass and lens barrel utilize above-mentioned camera lens module measuring system to carry out incline measurement in the described camera lens module; Whether the pitch angle that can judge eyeglass is up to specification, in the subsequent production process, adjusting, thereby can improve the product quality of camera lens module.
Description of drawings
Fig. 1 is the synoptic diagram of the camera lens module measuring system that provides of embodiment of the present invention.
Fig. 2 is the working state schematic representation of optical detection apparatus of the camera lens module measuring system of Fig. 1.
Fig. 3 is the functional block diagram of processor device of the camera lens module measuring system of Fig. 1.
Fig. 4 is the principle of work synoptic diagram of the processor device of Fig. 3.
Fig. 5 is the process flow diagram of the camera lens module measuring method that provides of embodiment of the present invention.
The main element symbol description
Eyeglass 13
Show module 49
Camera lens module measuring system 100
Non-optical surfaces 133
Accepting groove 211
Apparatus for assembling 300
Step S401, S403, S405, S407,
S409、S411、S413
Embodiment
To combine accompanying drawing below, the present invention will be done further detailed description.
See also Fig. 1 and Fig. 2, be the camera lens module measuring system 100 that embodiment of the present invention provides, it comprises camera lens module to be measured 10, positioning seat 20, optical detection apparatus 30 and processor device 40.Camera lens module 10 to be measured is housed in the positioning seat 20, and optical detection apparatus 30 is fixedly installed on the horizontal base 200, and positioning seat 20 also is fixed on the horizontal base 200. Optical detection apparatus 30 and 10 pairs of camera lens modules to be measured, be used to detect on the Non-optical surfaces 133 of eyeglass 13 at least three points (O1, O2, volume coordinate O3), (O1, O2 is not O3) on same straight line for said at least three points.Said processor device 40 is electrically connected with optical detection apparatus 30, and is used to handle the numerical value from optical detection apparatus 30 outputs.
Said camera lens module 10 to be measured comprises lens barrel 11 and is housed in the eyeglass 13 in the lens barrel 11; Said camera lens module measuring system 100 can be measured eyeglass 13 in the camera lens module 10 with respect to the pitch angle of lens barrel 11 central shafts or surface level, and judges that this pitch angle is whether in allowed band.In this embodiment, said lens barrel 11 is cylindric.Said eyeglass 13 comprises optical surface 131 and around the Non-optical surfaces 133 of this optical surface 131; Said Non-optical surfaces 133 is the plane of smooth; And when said eyeglass 13 was placed on the direction parallel with surface level, said Non-optical surfaces 133 was parallel with surface level.
Concrete, said positioning seat 20 comprises that a load bearing seat 21 and is used to drive the adjustable level meter 23 that this load bearing seat 21 carries out the level angle adjustment.Said adjustable level meter 23 carries said load bearing seat 21, is used for said load bearing seat 21 is adjusted to the position parallel with surface level.Said adjustable level meter 23 can repeat no more for the level meter of existing various models here.After said load bearing seat 21 is fixed on said level meter 23,, be parallel to each other with said horizontal base 200 to guarantee said load bearing seat 21 through the horizontal level of the said load bearing seat 21 of said level meter 23 adjustment.Said load bearing seat 21 has an accepting groove 211, and after the said load bearing seat 21 of said level meter 23 adjustment was parallel to each other with said horizontal base 200, the sidewall extended line of said accepting groove 211 was perpendicular to surface level.In this embodiment, the horizontal direction cross section of said accepting groove 211 is V-shape, and it is used to accommodate said camera lens module 10 to be measured.The shape that is appreciated that said accepting groove 211 is not limited to V-shape, can be for polygonal or circular.
Comprise horizontal vector measuring instrument and vertical vector measurement appearance in the said optical detection apparatus 30, said horizontal vector measuring instrument and vertical vector measurement appearance all align said eyeglass 13 and are provided with.Said horizontal vector measuring instrument is used for detecting respectively said three points (O1, O2, O3) displacement coordinate on horizontal X, Y direction.Said horizontal vector measuring instrument can be stereocomparator, precision stereocomparator and single as coordinate measuring instrument etc., and its principle of work repeats no more.Said vertical vector measurement appearance is launched three-beam line at least to Non-optical surfaces 133, and receives the light that reflects, and detects said three points (O1, O2, O3) vertical vector on vertical Z direction according to the spacing between the reflected light that receives.In this embodiment, said vertical vector measurement appearance is radium-shine detector.Be appreciated that said radium-shine detector also can replace with the pick-up unit of other types, like infra-red ray detection device etc.Because radium-shine detector and infra-red ray detection device etc. are existing pick-up unit, do not describe in detail here.In addition, owing to when the said camera lens module 10 to be measured of assembling, utilize a plurality of said camera lens modules 10 of an apparatus for assembling 300 (for example mechanical arm) adhesive usually; Therefore; Can said optical detection apparatus 30 be fixedly installed on the apparatus for assembling 300, and make said optical detection apparatus 30 and said eyeglass 13 surfaces over against, make things convenient for the three-dimensional coordinate of detector lens module 10; And after having assembled a camera lens module 10 at every turn; Need not to adjust the position of optical detection apparatus 30, the camera lens module 10 that only needs to change same size gets final product, and increases work efficiency.And (O1, O2 behind horizontal vector O3) and the vertical vector, export said processor device 40 to when said optical detection apparatus 30 obtains these three points.
Theoretical according to three-dimensional coordinate, when with said three points (O1, O2; O3) confirm when a three-dimensional system of coordinate (X, Y, Z), as initial point, confirm the horizontal vector difference and the vertical vectorial difference of two other point and initial point with one of them point; Can confirm this three points (O1, O2, volume coordinate O3).In this embodiment, be the initial point of three-dimensional system of coordinate (X, Y, Z) with O1.Said processor device 40 is promptly set up this three-dimensional system of coordinate (X, Y, Z); These three point (O1 that measure according to optical detection apparatus 30 then; O2, O3) horizontal vector in said three-dimensional system of coordinate (X, Y, Z) and vertically vector are confirmed three point (O1; O2; O3) volume coordinate in said three-dimensional system of coordinate (X, Y, Z), and by the pitch angle of this Non-optical surfaces 133 of this spatial coordinates calculation with respect to lens barrel 11 central shafts or surface level is to judge that this pitch angle is whether in the error allowed band.In this embodiment, said processor device 40 electrically connects through a data line 41 and said optical detection apparatus 30, when said processor device 40 receives this three point (O1; O2, horizontal vector O3) and vertically behind numerical quantity, the coordinate that O1 is ordered is set to origin (0; 0,0), then according to this horizontal vector and vertical vectorial numerical evaluation O2; The volume coordinate that O3 is ordered, and according to this spatial coordinates calculation O1 of 3, O2; O3 belongs to the plane, i.e. the angle of Non-optical surfaces plane, 133 place and lens barrel 11 sidewalls or surface level.Be appreciated that said processor device 40 can be integrated in the said optical detection apparatus 30, perhaps carries out data transmission through communication and said optical detection apparatus 30.
Please combine Fig. 3 and Fig. 4, said processor device 40 comprises that an analysis module 43, a calculation module 45, judge that module 47 and shows module 49.
The coordinate that said analysis module 43 is put O1 is set to origin (0,0,0), and the O2 that obtains according to said optical detection apparatus 30, and horizontal vector difference between O3 point and the O1 point and vertical vectorial difference calculate O2, the volume coordinate that O3 is ordered.Be appreciated that other positions that also can origin be arranged on Non-optical surfaces 133, analysis module 43 can be calculated said three points (O1, O2, volume coordinate O3) according to the origin of setting.
Said calculation module 45 according to said three points (O1, O2, volume coordinate O3), calculate said eyeglass 13 Non-optical surfaces 133 place the plane with respect to the horizontal plane or the pitch angle of lens barrel 11 sidewalls.Concrete, said calculation module 45 is according to the trigonometric function relational expression:
ΔX1tanθ
x+ΔY1tanθ
y＝ΔZ1 (1)
ΔX2tanθ
x+ΔY2tanθ
y＝ΔZ2 (2)
Calculate said pitch angle, wherein, Δ X1, Δ X2 are respectively two point (O2 of non-initial point; O3) on the horizontal X direction with respect to the motion vector of initial point; Δ Y1, Δ Y2 be respectively non-initial point two points (O2, O3) on horizontal Y direction with respect to the motion vector of initial point, θ
xBe the plane of said 3 formation (being the plane at Non-optical surfaces 133 places) angle, θ with respect to the horizontal X direction
yBe the plane of said 3 formation angle, Δ X1tan θ with respect to horizontal Y direction
x, Δ X2tan θ
x(O2 is O3) with respect to the vectorial contribution margin of initial point O1 on horizontal Y direction, Δ Y1tan θ to be respectively said two points
y, Δ Y2tan θ
y(O2, O3) with respect to the vectorial contribution margin of initial point O1 on the horizontal X direction, Δ Z1, Δ Z2 are respectively said two points (O2, O3) superimposed vector on the Z direction to be respectively said two points.Further, said calculation module 45 through (1) formula multiply by Δ X2, (2) formula is subtracted each other after multiply by Δ X1, obtains Δ Y1* Δ X1tan θ
y-Δ Y2* Δ X1tan θ
y=Δ Z1* Δ X1-Δ Z2* Δ X1 can get thus:
tanθ
y＝(ΔZ1*ΔX1-ΔZ2*ΔX1)/(ΔY1*ΔX1-ΔY2*ΔX1)；
In like manner, tan θ
x=(Δ Z1* Δ Y2-Δ Z2* Δ Y2)/(Δ X1* Δ Y2-Δ X2* Δ Y2).
Therefore, (O2, O3) with respect to the vectorial difference of initial point O1, the plane at Non-optical surfaces 133 place that just can calculate eyeglass 13 is with respect to the angle theta of horizontal X direction and horizontal Y direction through measuring said two points
x, θ
y
In addition, said calculation module 45 can also be asked the formula of dihedral angle according to area-method: cos θ=S1/S2 (3) obtains said pitch angle, wherein; θ is the pitch angle with respect to the horizontal plane, plane at Non-optical surfaces 133 places, and S2 is said three points (O1, O2; O3) the leg-of-mutton area that forms; S1 is said three points (O1, O2, O3) projection areas on surface level.(volume coordinate O3) can calculate S1 and S2 respectively for O1, O2, obtains cos θ according to formula (3) then, thereby can obtain said tiltangle more simply according to said three points.
Be preset with an error allowed band in the said judgement module 47; When said calculation module 45 calculates said pitch angle; Said judgement module 47 reads said pitch angle numerical value, if this pitch angle is in said error allowed band, then said judgement module 47 judges that said camera lens module 10 is qualified; Otherwise, judge that said camera lens module 10 is defective.Said demonstration module 49 is used to show pitch angle of calculating and the judged result of judging module 47.In this embodiment; Said demonstration module 49 comprises a LCDs 491; It can show said pitch angle numerical value at the field of correspondence, when this pitch angle numerical value is judged as when qualified, shows that module 49 shows " qualified " printed words; Otherwise, show " being lower than allowed band " or " being higher than allowed band " printed words.In this embodiment, said processor device 40 is a computer.
During use, the lens barrel 11 of said camera lens module 10 to be measured is housed in the accepting groove 211, and the lateral wall of lens barrel 11 is close to the madial wall of said accepting groove 211, makes that the central shaft of lens barrel 11 is parallel with the sidewall extended line of accepting groove 211, thereby perpendicular to surface level.Open optical detection apparatus 30, it obtains the volume coordinate of said three points, and said processor device 40 calculates the surface of said three somes formation and the angle between the surface level according to the volume coordinate of said three points.Be preset with said acceptable error allowed band in the said processor device 40; If this corner dimension is in the acceptable preset range; Also be pitch angle between eyeglass 13 and lens barrel 11 central shafts or the surface level in an acceptable preset range time, then processor device 40 shows that this camera lens module to be measured 10 is qualified.When this angle greater than predetermined error allowed band, also be pitch angle between eyeglass 13 and lens barrel 11 central shafts or the surface level when exceeding the acceptable error range, then this camera lens module to be measured 10 of processor device 40 demonstrations is defective.It is understandable that said error allowed band can be provided with according to customer requirement.
See also Fig. 5, camera lens module measuring method of the present invention may further comprise the steps:
Step S401 provides a camera lens module 10 to be measured.This camera lens module 10 to be measured comprises lens barrel 11 and is housed in the eyeglass 13 in the lens barrel 11, and eyeglass 13 comprises optical surface 131 and Non-optical surfaces 133, and said Non-optical surfaces 133 is the plane of smooth.
Step S403 is fixed on lens barrel 11 on the horizontal fixed face, and makes the central shaft of lens barrel 11 perpendicular to surface level.In this embodiment, said lens barrel 11 is fixed on the horizontal fixed face through a positioning seat 20, and said positioning seat 20 comprises a load bearing seat 21, and one is used to drive the adjustable level meter 23 that this load bearing seat 21 carries out the level angle adjustment.Said adjustable level meter 23 carries said load bearing seat 21, is used for said load bearing seat 21 is adjusted to the position parallel with surface level.Said load bearing seat 21 has an accepting groove 211, and said accepting groove 211 is V-shape, and it is used to accommodate said camera lens module 10.After said load bearing seat 21 is fixed on said horizontal fixed face, adjusts the horizontal level of said load bearing seat 21 through said level meter, and confirm that the madial wall of said accepting groove 211 is vertical each other with said horizontal fixed face.
Step S405, provide one with said camera lens module 10 to be measured over against optical detection apparatus 30, with the volume coordinate of at least three points on the Non-optical surfaces 133 that detects eyeglass 13.In this embodiment; Said optical detection apparatus 30 comprise the horizontal vector measuring instrument and and vertical vector measurement appearance; Detect said three somes X, the last displacement component of Y in the horizontal direction through said horizontal vector measuring instrument, obtain the displacement component on vertical direction Z of these three points through vertical vector measurement appearance.
Step S407 according to this Non-optical surfaces 133 of spatial coordinates calculation of this at least three points pitch angle with respect to lens barrel 11 central shafts or surface level, and judges that this pitch angle is whether in the error allowed band.Concrete, according to the trigonometric function relational expression:
ΔX1tanθ
x+ΔY1tanθ
y＝ΔZ1 (1)
ΔX2tanθ
x+ΔY2tanθ
y＝ΔZ2 (2)
Calculate said pitch angle, wherein, Δ X1, Δ X2 are respectively two point (O2 of non-initial point; O3) on the horizontal X direction with respect to the motion vector of initial point; Δ Y1, Δ Y2 be respectively non-initial point two points (O2, O3) on horizontal Y direction with respect to the motion vector of initial point, θ
xBe the plane of said 3 formation (being the plane at Non-optical surfaces 133 places) angle, θ with respect to the horizontal X direction
yBe the plane of said 3 formation angle, Δ X1tan θ with respect to horizontal Y direction
x, Δ X2tan θ
x(O2 is O3) with respect to the vectorial contribution margin of initial point O1 on horizontal Y direction, Δ Y1tan θ to be respectively said two points
y, Δ Y2tan θ
y(O2, O3) with respect to the vectorial contribution margin of initial point O1 on the horizontal X direction, Δ Z1, Δ Z2 are respectively said two points (O2, O3) superimposed vector on the Z direction to be respectively said two points.Further, said calculation module 45 through (1) formula multiply by Δ X2, (2) formula is subtracted each other after multiply by Δ X1, obtains Δ Y1* Δ X1tan θ
y-Δ Y2* Δ X1tan θ
y=Δ Z1* Δ X1-Δ Z2* Δ X1 can get thus:
tanθ
y＝(ΔZ1*ΔX1-ΔZ2*ΔX1)/(ΔY1*ΔX1-ΔY2*ΔX1)；
In like manner, tan θ
x=(Δ Z1* Δ Y2-Δ Z2* Δ Y2)/(Δ X1* Δ Y2-Δ X2* Δ Y2).
Therefore, (O2, O3) with respect to the vectorial difference of initial point O1, the plane at Non-optical surfaces 133 place that just can calculate eyeglass 13 is with respect to the angle theta of horizontal X direction and horizontal Y direction through measuring said two points
x, θ
y, θ
xWith θ
ySum is said pitch angle.In addition, can also ask the formula of dihedral angle according to area-method: cos θ=S1/S2 (3) obtains said pitch angle, wherein; θ is the pitch angle with respect to the horizontal plane, plane at Non-optical surfaces 133 places, and S2 is said three points (O1, O2; O3) the leg-of-mutton area that forms; S1 is said three points (O1, O2, O3) projection areas on surface level.(volume coordinate O3) can calculate S 1 and S2 respectively for O1, O2, obtains cos θ according to formula (3) then, thereby can obtain said tiltangle more simply according to said three points.After calculating said pitch angle, read said pitch angle numerical value, if this pitch angle is in an error allowed band, execution in step S409 then judge that said camera lens module 10 is qualified, otherwise execution in step S411 judges that said camera lens module is defective.
Step S413 shows pitch angle and the judged result calculated.When this pitch angle numerical value is judged as when qualified, show that module 49 shows " qualified " printed words, otherwise, show " being lower than allowed band " or " being higher than allowed band " printed words.
Those skilled in the art will be appreciated that; Above embodiment only is to be used for explaining the present invention; And be not to be used as qualification of the present invention; As long as within connotation scope of the present invention, appropriate change that above embodiment did is all dropped within the scope that the present invention requires to protect with changing.
Claims (10)
1. camera lens module measuring system comprises:
Positioning seat is fixed on the horizontal fixed face, and it has an accepting groove;
Camera lens module to be measured comprises lens barrel and is housed in the eyeglass in the lens barrel that lens barrel is housed in the accepting groove, and the central shaft of lens barrel is perpendicular to surface level, and eyeglass comprises optical surface and Non-optical surfaces, and said Non-optical surfaces is the plane of smooth;
Optical detection apparatus, with camera lens module to be measured over against, its space displacement that is used to detect on the eyeglass Non-optical surfaces between at least three points is poor, said at least three points are not on same straight line; And
Processor device; Be used for obtaining corresponding volume coordinate according to the space displacement difference of these at least three points; And according to this Non-optical surfaces of spatial coordinates calculation of these at least three points with respect to the horizontal plane or the pitch angle of lens barrel central shaft, and judge that this pitch angle is whether in the error allowed band.
2. camera lens module measuring system as claimed in claim 1; It is characterized in that: said positioning seat comprises that a load bearing seat and is used to drive the level meter that this load bearing seat carries out the level angle adjustment; Said level meter is arranged between said load bearing seat and the said horizontal fixed face, is used for said load bearing seat is adjusted to the position parallel with surface level.
3. camera lens module measuring system as claimed in claim 1; It is characterized in that: the madial wall of said accepting groove is vertical with said horizontal fixed face; The xsect of said accepting groove is V-shape; Said lens barrel is cylindric, and during measurement, the madial wall of the sidewall of said lens barrel and said V-shape accepting groove is tangent.
4. camera lens module measuring system as claimed in claim 1; It is characterized in that: said processor device comprises an analysis module; Said analysis module is with setting up a three-dimensional system of coordinate; And the coordinate of a point at least three points is set to the initial point of this three-dimensional system of coordinate, and obtain according to said optical detection apparatus two other calculate the volume coordinate of two other point with respect to the space displacement difference of initial point.
5. camera lens module measuring system as claimed in claim 4, it is characterized in that: said processor device also comprises a calculation module, said calculation module is according to the trigonometric function relational expression:
ΔX1tanθ
x+ΔY1tanθ
y＝ΔZ1 (1)
ΔX2tanθ
x+ΔY2tanθ
y＝ΔZ2 (2)
Calculate said pitch angle, wherein, two points that Δ X1, Δ X2 are respectively non-initial point on the horizontal X direction with respect to the displacement coordinate of initial point, two points that Δ Y1, Δ Y2 are respectively non-initial point on horizontal Y direction with respect to the displacement coordinate of initial point, θ
xBe the plane of said 3 formation angle, θ with respect to the horizontal X direction
yBe the plane of said 3 formation angle with respect to horizontal Y direction, Δ Z1, Δ Z2 are respectively the vector stack of two points on numeral system Z direction of non-initial point in said three points.
6. camera lens module measuring system as claimed in claim 4; It is characterized in that: said calculation module is asked the formula of dihedral angle according to area-method: cos θ=S1/S2 obtains said pitch angle; Wherein, θ is the pitch angle with respect to the horizontal plane, plane at Non-optical surfaces place, and S2 is the leg-of-mutton area that said three points form, and S1 is the projection areas of said three points on surface level.
7. camera lens module measuring system as claimed in claim 1; It is characterized in that: said processor device comprises that further one judges module; Judge in the module to be preset with an error allowed band, in this error allowed band, then said judgement module judges that said camera lens module is qualified as if this pitch angle; Otherwise said camera lens module is defective.
8. camera lens module measuring system as claimed in claim 1 is characterized in that: said processor device comprises that further one shows module, is used for the judgment result displays of pitch angle of calculating and judgement module is come out.
9. camera lens module measuring method may further comprise the steps:
One camera lens module to be measured is provided, and this camera lens module to be measured comprises lens barrel and is housed in the eyeglass in the lens barrel, and eyeglass comprises optical surface and Non-optical surfaces, and said Non-optical surfaces is the plane of smooth;
Lens barrel is fixed on the horizontal fixed face, and the central shaft of lens barrel is perpendicular to surface level;
Provide one with said camera lens module to be measured over against optical detection apparatus, the space displacement that detects on the eyeglass Non-optical surfaces between at least three points is poor; And
Space displacement difference according to these at least three points is calculated corresponding volume coordinate; And with respect to the horizontal plane or the pitch angle of lens barrel central shaft according to this Non-optical surfaces of this spatial coordinates calculation; And judge that this pitch angle is whether in the error allowed band, if judge that then said camera lens module is qualified; If not in the error allowed band, judge that then said camera lens module is defective.
10. camera lens module measuring method as claimed in claim 9 is characterized in that, further comprises step: show pitch angle and the judged result calculated.
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| CN103868474A (en) * | 2012-12-14 | 2014-06-18 | 鸿富锦精密工业（深圳）有限公司 | Static inclined angle measurement method for camera actuator module |
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| CN102967441A (en) * | 2012-12-19 | 2013-03-13 | 王振廷 | Detection device for false proof seal of lens |
| CN104280220A (en) * | 2014-10-23 | 2015-01-14 | 成都福誉科技有限公司 | Optical detecting platform |
| CN104280220B (en) * | 2014-10-23 | 2016-10-05 | 成都福誉科技有限公司 | A kind of optical detecting platform |
| CN106291967A (en) * | 2015-05-27 | 2017-01-04 | 鸿富锦精密工业（深圳）有限公司 | Lens assembling test device |
| CN106903612A (en) * | 2017-03-27 | 2017-06-30 | 北京现代汽车有限公司 | A kind of tool detection instrument and implementation method |
| CN106903612B (en) * | 2017-03-27 | 2023-05-05 | 北京现代汽车有限公司 | Tool detector and implementation method |
| CN113857839B (en) * | 2020-06-30 | 2023-02-21 | 宁波舜宇光电信息有限公司 | Optical element assembling method and assembling machine |
| CN113857839A (en) * | 2020-06-30 | 2021-12-31 | 宁波舜宇光电信息有限公司 | Optical element assembling method and assembling machine |
| CN112066857A (en) * | 2020-08-03 | 2020-12-11 | 河北汉光重工有限责任公司 | Device and method for debugging and detecting coaxiality of optical lens |
| CN114755782A (en) * | 2022-02-25 | 2022-07-15 | 深圳市深视智能科技有限公司 | Point spectrum lens mounting method, device, system, storage medium and product |
| CN115620626A (en) * | 2022-08-12 | 2023-01-17 | 荣耀终端有限公司 | Electronic equipment, display screen, display module and dislocation quantity testing method thereof |
| CN115620626B (en) * | 2022-08-12 | 2023-10-20 | 荣耀终端有限公司 | Electronic equipment, display screen, display module and dislocation amount testing method of display module |
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Application publication date: 20120516 |