CN100592200C - Method and apparatus for inspecting optical filter adhesion in lens mould set - Google Patents
Method and apparatus for inspecting optical filter adhesion in lens mould set Download PDFInfo
- Publication number
- CN100592200C CN100592200C CN200610060730A CN200610060730A CN100592200C CN 100592200 C CN100592200 C CN 100592200C CN 200610060730 A CN200610060730 A CN 200610060730A CN 200610060730 A CN200610060730 A CN 200610060730A CN 100592200 C CN100592200 C CN 100592200C
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- optical filter
- filter
- tautness meter
- pull bar
- lens module
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Abstract
A method for detecting adhesive force of filter in lens module includes providing a lens module with filter and lens component in lens cone, attaching said filter on one side surface of adjacent lenscomponent, providing a tensometer with a screen and pulling rod, connecting one end of pulling rod to said screen and jointing another end with said filter through binding, exerting an acting force topull said filter open from surface of lens component and recording indication on tensometer when said filter is pulled to be open.
Description
Technical field
The present invention relates to a kind of attachment force detection method of optical filter, especially the devices and methods therefor that detects of the filter adhesion in the imaging devices such as logarithmic code camera, video camera.
Background technology
Along with the development of optical image technology, the camera lens module is widely used in various imaging devices such as digital camera, video camera, and is integrated with the electronic installation such as mobile phone, notebook computer of camera lens module, then obtains numerous consumers' favor especially.
Existing camera lens module generally includes optical elements such as a plurality of lens of being contained in the lens barrel, iris diaphragm plate, optical filter, and the interval body etc. that is used to control distance between each optical element.In the assembling process of this kind camera lens module, optical elements such as described a plurality of lens, iris diaphragm plate, optical filter are contained in the lens barrel successively, described optical filter and separated by an interval body with this optical filter adjacent lenses.Described optical filter is glued together by gluing process and interval body.
In the practical application of camera lens module, the inefficacy of partial lens module is to cause owing to the optical filter in the camera lens module comes off.The main cause that optical filter comes off is in assembling process, and the inhomogeneous or some glue quantity not sufficient of some glue makes the adhesion deficiency between optical filter and the interval body between optical filter and interval body.Therefore, produce in the camera lens module process,, need the adhesion between optical filter and the interval body is detected for guaranteeing the quality of camera lens module a large amount of.
Summary of the invention
In view of this, be necessary to provide a kind of attachment force detection method and device of filter in lens module.
A kind of attachment force detection method of filter in lens module, it comprises step: a camera lens module is provided, it comprise lens barrel and from the thing side to being contained in lens assembly and optical filter in the lens barrel successively as side, this optical filter is attached to a side of the lens assembly that is adjacent; A tautness meter is provided, this tautness meter comprises a display screen and a pull bar, one end of this pull bar is connected with this display screen, its other end surface is provided with the glue groove that overflows, the glue groove institute area surrounded of should overflowing is the applying area that is used for coating adhesive, and the area of this applying area is less than the surface area of optical filter to be measured; The described pull bar other end is engaged by bonding agent with described optical filter, apply the acting force that optical filter is drawn back from this lens assembly surface, and the reading of record optical filter tautness meter when being drawn back, and this reading and standard value are compared to described tautness meter.
A kind of adhesion pick-up unit of filter in lens module, it comprises: a display screen and a pull bar, this pull bar is used for applying a pulling force with the bonding back of an optical filter to be measured to this optical filter, and an end of this pull bar is connected with this display screen, its other end surface is provided with the glue groove that overflows, the glue groove institute area surrounded of should overflowing be the applying area that is used for coating adhesive, and the area of this applying area is less than the surface area of optical filter to be measured, and this display screen is used to show this pulling force data.
The attachment force detection method of described filter in lens module draws back optical filter by tautness meter from the lens assembly surface, and the reading of record optical filter tautness meter when being drawn back, thereby records the adhesion of optical filter in the camera lens module.Characteristics such as the attachment force detection method of this filter in lens module has simply, and is quick, it is used in the process of a large amount of production camera lens modules the camera lens module is surveyed sample, thereby guarantees the quality of camera lens module.
Description of drawings
Fig. 1 is the structural representation of the camera lens module a kind of to be measured of the embodiment of the invention.
Fig. 2 is the structural representation of the tautness meter of the embodiment of the invention.
Fig. 3 is the schematic bottom view of pull bar among Fig. 2.
Fig. 4 is to use among Fig. 2 the synoptic diagram of the adhesion of filter in lens module in the tautness meter survey sheet 1.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail.
See also Fig. 1 to Fig. 3, the attachment force detection method of the filter in lens module that embodiments of the invention provide comprises the steps:
(1) as shown in Figure 1, provide a camera lens module 10, it comprises lens assembly 20, optical filter 30 and lens barrel 40.Above-mentioned lens assembly 20 and optical filter 30 extremely are housed in the lens barrel 40 as side successively from the thing side.
Described lens assembly 20 can comprise various optical elements such as lens 22,24 and interval body 26.These lens 22 and 24 material can be glass or plastic cement.These lens 22 and 24 peripheral circumferential surface are fixed in the lens barrel 40 by viscose glue.This interval body 26 ringwise, it is used between lens 24 and optical filter 30 forming at interval, causes component wear to avoid the two because of contact or collision.The peripheral circumferential surface of this interval body 26 is glued together fixing with the madial wall of lens barrel 40 via viscose glue.Preferably, this lens assembly 20 also comprises iris diaphragm plate 28, and this iris diaphragm plate 28 can be located between lens 22 and 24.
Described optical filter 30 is contained in the lens barrel 40, and adjacent with interval body 26.This optical filter 30 and interval body 26 are by viscose glue and glued together.
The outside of described lens barrel 40 is provided with the external thread that can screw togather with other element.
(2) as shown in Figures 2 and 3, provide a tautness meter 50, this tautness meter 50 comprises a display screen 51 and a pull bar 52 that is connected with this display screen 51.
Described display screen 51 is used to show the size of tautness meter 51 suffered pulling force.Described pull bar 52 can be column, and an end is connected with this display screen 51.Preferably, the other end surface of described pull bar 52 is provided with and prevents that bonding agent from overflowing the excessive glue groove 521 of pull bar 51, the applying area 522 that 521 area surrounded of glue groove of overflowing are bonding agent, make the area of this applying area 522 be slightly less than the surface area of optical filter to be measured, but greater than the bond area of 26 of optical filter 30 and interval bodies.
Tautness meter 51 can be mechanical type tautness meter or electronic type tautness meter.
The cross sectional shape of described pull bar also can be triangle, square, rectangle, ellipse or other polygons.Shape and the cross sectional shape thereof of glue groove 521 on pull bar 52 surfaces that overflow also can be triangle, square, rectangle, ellipse or other polygons, as long as satisfy to prevent that bonding agent from overflowing pull bar 52 scopes, and then contact with the inside surface of lens barrel 40 and influence measurement result and get final product.
(3) as shown in Figure 4, applying area 522 even coating adhesives 60 to tautness meter 50, tautness meter 50 is aimed at and is bonded on the optical filter 30 by the bonding agent 60 of applying area 522, tautness meter 50 is applied along optical filter 30 central shafts and the pulling force that deviates from the direction of interval body 26, and record tautness meter 50 is presented at reading N on the display screen 51 with optical filter 30 when interval body 26 draws back
1, and with this reading N
1With standard value N
0Compare.Work as N
1〉=N
0The time, represent that the adhesion condition of the optical filter 30 in this camera lens module 10 is good; Work as N
1＜N
0The time, represent that the adhesive strength of the optical filter 30 in this camera lens module 10 is not enough.
This standard value N
0Preparation method comprise step: (1) with on the interval body 26 of optical filter 30 good bonding in this camera lens module 10, and (2) draw back optical filter 30, record reading N with tautness meter 50 along optical filter 30 central shafts and the direction that deviates from interval body 26
2, (3) repeatedly repeat above-mentioned (1), (2), obtain a group number-reading, get the mean value of these readings, are standard value N
0
Because the adhesion area of this optical filter 30 and interval body 26 is less than the adhesion area of this optical filter 30 with pull bar 52, so when tautness meter 50 being applied along optical filter 30 central shafts and deviating from the pulling force of direction of interval body 26, this optical filter 30 can be at first destroyed with the adhesion relation of interval body 26.
Usually, tautness meter 50 draws back optical filter 30 from interval body 26 before, the lens barrel 40 that contains interval body 26 and optical filter 30 is fixed away from an end of optical filter 30.Present embodiment is fixing with lens barrel 40 by stationary installation 70, can adopt screw togather, mode such as locking fixes.
In addition, after this is measured, can remove the bonding agent 60 that is positioned at applying area 522, to realize the repeated use of tautness meter 50.
The attachment force detection method of the filter in lens module that present embodiment provides, by tautness meter 50 optical filter 30 is drawn from interval body 26 surfaces, and the reading of record optical filter 30 tautness meter 50 when being drawn, thereby record the adhesion of optical filter 30 in the camera lens module 20.Characteristics such as the attachment force detection method of this filter in lens module has simply, and is quick, it is used in the process of a large amount of production camera lens modules the camera lens module is surveyed sample, thereby guarantees the quality of camera lens module.
In addition, those skilled in the art also can do other and change in spirit of the present invention, as the cutting method of proper transformation camera lens module, the order of proper transformation operation steps etc., as long as it does not depart from technique effect of the present invention and all can.The variation that these are done according to spirit of the present invention all should be included within the present invention's scope required for protection.
Claims (6)
1. the attachment force detection method of a filter in lens module, it comprises step:
A camera lens module is provided, it comprise lens barrel and from the thing side to being contained in lens assembly and optical filter in the lens barrel successively as side, this optical filter is attached to a side of the lens assembly that is adjacent;
A tautness meter is provided, this tautness meter comprises a display screen and a pull bar, one end of this pull bar is connected with this display screen, its other end surface is provided with the glue groove that overflows, the glue groove institute area surrounded of should overflowing is the applying area that is used for coating adhesive, and the area of this applying area is less than the surface area of optical filter to be measured;
The described pull bar other end is engaged by bonding agent with described optical filter, apply the acting force that optical filter is drawn back from this lens assembly surface, and the reading of record optical filter tautness meter when being drawn back, and this reading and standard value are compared to described tautness meter.
2. the attachment force detection method of filter in lens module as claimed in claim 1 is characterized in that, described tautness meter is selected from mechanical type tautness meter or electronic type tautness meter.
3. the attachment force detection method of filter in lens module as claimed in claim 1, it is characterized in that, before the described step of optical filter being drawn back from the lens assembly surface with tautness meter, also comprise step: described lens barrel is fixed away from an end of described optical filter.
4. the attachment force detection method of filter in lens module as claimed in claim 1 is characterized in that, after this is measured, removes the bonding agent that is positioned on the described pull bar, to realize the repeated use of described tautness meter.
5. the attachment force detection method of filter in lens module as claimed in claim 1, it is characterized in that, the preparation method of described standard value comprises: (1) is with the side of an optical filter good bonding to be measured at the lens assembly that is adjacent, (2) engaging by bonding agent with described optical filter described tautness meter pull bar away from the display screen end, apply the acting force that optical filter is drawn back from this lens assembly surface to described tautness meter, and the reading of tautness meter when writing down this optical filter and being drawn back, (3) repeatedly repeat above-mentioned (1), (2), obtain one group of data, the mean value of these data is standard value.
6. the adhesion pick-up unit of a filter in lens module, it comprises: a display screen and a pull bar, this pull bar is used for applying a pulling force with the bonding back of an optical filter to be measured to this optical filter, and an end of this pull bar is connected with this display screen, its other end surface is provided with the glue groove that overflows, the glue groove institute area surrounded of should overflowing be the applying area that is used for coating adhesive, and the area of this applying area is less than the surface area of optical filter to be measured, and this display screen is used to show this pulling force data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610060730A CN100592200C (en) | 2006-05-19 | 2006-05-19 | Method and apparatus for inspecting optical filter adhesion in lens mould set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610060730A CN100592200C (en) | 2006-05-19 | 2006-05-19 | Method and apparatus for inspecting optical filter adhesion in lens mould set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101075084A CN101075084A (en) | 2007-11-21 |
| CN100592200C true CN100592200C (en) | 2010-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610060730A Expired - Fee Related CN100592200C (en) | 2006-05-19 | 2006-05-19 | Method and apparatus for inspecting optical filter adhesion in lens mould set |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105572924B (en) * | 2015-12-17 | 2018-11-06 | 深圳市华星光电技术有限公司 | The test method of the color layer expulsion rate of color membrane substrates |
| CN107102498A (en) * | 2017-04-28 | 2017-08-29 | 信利光电股份有限公司 | A kind of pair of camera module |
| WO2020258094A1 (en) * | 2019-06-26 | 2020-12-30 | 瑞声光学解决方案私人有限公司 | Glue overflow-proof lens assembly and electronic device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5052219A (en) * | 1989-02-09 | 1991-10-01 | Total Compagnie Francaise Des Petroles | Procedure and cell for measuring coefficients of adhesion and friction of a drilling fluid |
| CN2283848Y (en) * | 1996-11-28 | 1998-06-10 | 杜习平 | Digital display type adhesive strenth detecting instrument |
| CN2284391Y (en) * | 1997-01-08 | 1998-06-17 | 武汉水利电力大学 | Tension performance auxiliary energy absorption device for normal material tester |
| CN2586148Y (en) * | 2002-09-27 | 2003-11-12 | 国营东方仪器厂 | Digital displaying push-and-pull tensiometer |
-
2006
- 2006-05-19 CN CN200610060730A patent/CN100592200C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5052219A (en) * | 1989-02-09 | 1991-10-01 | Total Compagnie Francaise Des Petroles | Procedure and cell for measuring coefficients of adhesion and friction of a drilling fluid |
| CN2283848Y (en) * | 1996-11-28 | 1998-06-10 | 杜习平 | Digital display type adhesive strenth detecting instrument |
| CN2284391Y (en) * | 1997-01-08 | 1998-06-17 | 武汉水利电力大学 | Tension performance auxiliary energy absorption device for normal material tester |
| CN2586148Y (en) * | 2002-09-27 | 2003-11-12 | 国营东方仪器厂 | Digital displaying push-and-pull tensiometer |
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| Publication number | Publication date |
|---|---|
| CN101075084A (en) | 2007-11-21 |
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