CN101726986A - Assembling and testing device and method thereof - Google Patents
Assembling and testing device and method thereof Download PDFInfo
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- CN101726986A CN101726986A CN200810304881A CN200810304881A CN101726986A CN 101726986 A CN101726986 A CN 101726986A CN 200810304881 A CN200810304881 A CN 200810304881A CN 200810304881 A CN200810304881 A CN 200810304881A CN 101726986 A CN101726986 A CN 101726986A
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Abstract
The invention provides an assembling and testing device, comprising a movement mechanism, an image sensor and a controller; the assembling and testing device is used for assembling and testing multiple lens modules; the inner part of the lens module is orderly provided with a first lens and a second lens from the object side to the image side; the second lens is fixed in the lens module and the first lens can move opposite to the second lens in the radial direction; the controller comprises a locating module for controlling the movement mechanism to radially move the first lens to a position as a primary position, an acquiring module for acquiring the image sensed by the image sensor, an adjusting module for controlling the movement mechanism to move the first lens and enable the first lens to be not eccentric relative to the optical axis of the lens module according to the image, a memory module for recording the movement process of the movement mechanism, a control module for controlling the movement mechanism to move the first lens of an other lens module according to the recorded moving process of the movement mechanism. The assembling and testing device provided by invention adjusts the eccentricity according to the record, thus saving time; in addition, the invention also provides an assembling and testing method.
Description
Technical field
The present invention relates to a kind of assembling and testing device and method.
Background technology
Continuous development along with digital technology, digital camera is by people's widespread use, mobile phone and PDA (Personal Digital Assistant in recent years particularly, personal digital assistant) etc. portable electron device also develops to high-performance, multifunction direction fast, and digital camera and combining of these portable electron devices become the key of development mobile multimedia technology.
Because the camera lens module that is incorporated in the portable electron device is little many than the camera lens of camera, so optical property is had higher requirement.For the camera lens module that a plurality of eyeglasses are arranged, the optical centre that needs to guarantee each eyeglass is positioned on the same optical axis.Particularly the accuracy of relative position is bigger to the influence of optical characteristics between first eyeglass in the camera lens module and second eyeglass.Because during the assembling of camera lens module, often with a plurality of eyeglasses assembling successively to the thing side by the camera lens module as side, first eyeglass is assembled in the lens barrel often at last, so in order to guarantee the accuracy of relative position between first eyeglass and second eyeglass, just need in the assembling of camera lens module, relative second eyeglass of first eyeglass be adjusted, eccentric to prevent that the relative camera lens module of first eyeglass from producing.When yet present assembling test machine is tested large batch of camera lens module, when each camera lens module test, all need to test again and assemble.This repeated operation has influenced the efficient of camera lens module assembling test.
Summary of the invention
In view of this, be necessary to provide a kind of assembling and testing device and method.
A kind of assembling and testing device, it comprises travel mechanism, image sensor and controller.Described assembling and testing device is used for a plurality of camera lens modules of assembling test, extremely all be disposed with first eyeglass and second eyeglass along the thing side in the described camera lens module as side, described second eyeglass is fixed in the described camera lens module, and described first eyeglass can move radially by described relatively second eyeglass.Described controller comprises: locating module, and control travel mechanism moves radially a position as initial position with described first eyeglass; Acquisition module is used to obtain the picture of described image sensor sensing; Adjusting module is used for controlling described travel mechanism according to described picture and moves described first eyeglass, makes that the optical axis of the described relatively camera lens module of described first eyeglass is not eccentric; Memory module is used to write down the process that described travel mechanism moves; Control module is used for moving according to the described travel mechanism of process control that moves of travel mechanism of record first eyeglass of another camera lens module.
A kind of assembling test method, this method is used to test a plurality of camera lens modules, extremely be provided with first eyeglass and second eyeglass along the thing side in described a plurality of camera lens module as side, described second eyeglass is fixed in the described camera lens module, described first eyeglass can move radially by described relatively second eyeglass, and described assembling test method may further comprise the steps: fix a camera lens module; Described first eyeglass is positioned in the described camera lens module; Described first eyeglass is moved radially a position as initial position; Radially adjust the position of first eyeglass, make the eyeglass of winning not eccentric with respect to the optical axis of described camera lens module; Write down the described first eyeglass moving process; Fixing next camera lens module; First eyeglass of described next camera lens module is positioned in the described next camera lens module; First eyeglass of described next camera lens module is moved radially described initial position; Move radially first eyeglass of described next camera lens module according to record, make that first eyeglass of described next camera lens module is not eccentric with respect to the optical axis of described next camera lens module.
Assembling and testing device provided by the invention and method only need earlier one in same batch the camera lens module to be adjusted, and note adjustment process, only need locate remaining camera lens module and to get final product according to the adjustment process adjustment of noting after finishing, thereby saved the eccentric time of adjusting of camera lens module greatly, improved the efficient of eccentric adjustment.
Description of drawings
Fig. 1 is the cut-open view of the camera lens module of the assembling and testing device test that provides of embodiment of the present invention.
Fig. 2 is the hardware structure figure of the assembling and testing device that provides of embodiment of the present invention.
Fig. 3 is the synoptic diagram that the camera lens module is adjusted.
Fig. 4 is the functional block diagram of controller of the assembling and testing device of Fig. 2.
Fig. 5 is the process flow diagram of the assembling test method that provides of embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
See also Fig. 1 and Fig. 2, the camera lens module 200 that utilizes assembling and testing device 100 provided by the invention to test comprises lens barrel 210, first eyeglass 211, second eyeglass 212, prismatic glasses 213, first spaced ring 214 and second spaced ring 215.
Described first eyeglass 211, first spaced ring 214, second eyeglass 212, second spaced ring 215 and prismatic glasses 213 are placed in the described lens barrel 210 from the object side to image side successively.Described first eyeglass 211, second eyeglass 212 and prismatic glasses 213 are by injection mo(u)lding, and described first eyeglass 211, second eyeglass 212 and prismatic glasses 213 edges all have gate vestiges 211a, 212a and 213a.Described gate vestiges 211a, 212a and 213a radially all point to same direction.Described first eyeglass 211 can move radially by described relatively second eyeglass 212.In the present embodiment, described second eyeglass 212, prismatic glasses 214, first spaced ring 214 and second spaced ring 215 all utilize glue bond to be fixed in the described lens barrel 210.Described first eyeglass 211 can be done moving radially of trace by described relatively second eyeglass 212.The center of described first eyeglass 211 processes a round blind hole 211b, and described second eyeglass 212 centers process a round platform 212b, described round platform 212b and described round blind hole 211b clearance fit.In the present embodiment, the radius of the more described round blind hole 211b of radius of described round platform 212b is little about 0.02 millimeter.
Because during camera lens module 200 assembling, be that prismatic glasses 213, second spaced ring 215, second eyeglass 212, first spaced ring 214, first eyeglass 211 are packed in the lens barrel 210 successively.And the accuracy of relative position is bigger to the influence of optical characteristics between first eyeglass 211 and second eyeglass 212.So, often after prismatic glasses 213, second spaced ring 215, second eyeglass 212, first spaced ring 214 are accurately packed lens barrel 210 into, need carry out off-centre adjustment to first eyeglass 211 of packing at last in order to obtain higher image quality.In the present embodiment, described first eyeglass 211 can radially done micro-adjustment by described relatively second eyeglass 212, thereby the off-centre of first eyeglass 211 is adjusted, and guarantees that the optical axis L of described first eyeglass, 211 relative camera lens modules 200 is not eccentric.
See also Fig. 2 and Fig. 3, described assembling and testing device 100 comprises load bearing seat 110, first mechanism 120, second mechanism 130, the 3rd mechanism 140, image sensor 150, chart board 160, controller 170 and glue applying mechanism 180.Described camera lens module 200 is fixed on the described load bearing seat 110.Described load bearing seat is provided with sign 111.In the present embodiment, described sign 111 is a reference point on the load bearing seat 110.The gate vestiges 211a of described each eyeglass, 212a, 213a radially all point to described sign 111.
Described image sensor 150 is positioned over described camera lens module 200 both sides with described chart board 160, and is positioned on the same optical axis L with described camera lens module 200.Described image sensor 150 is used to receive described chart board 160 and sees through camera lens module 200 imagings.
Described first mechanism 120 comprises first drive unit 121, first adjustment arm 122, force transducer 123 and the clamping device 124, described first drive unit 121 is used to control first and adjusts moving of arm 122, and clamping device 124 is installed on the end of the described first adjustment arm 122.In the present embodiment, described first drive unit 121 is a servomotor, and described clamping device 124 is a gripper jaw.Described clamping device 124 is sandwiched on described first eyeglass 211, makes the eyeglass 211 of winning follow the described first adjustment arm 122 and moves.Described force transducer 123 is used for the resistance that described first mechanism 120 of sensing is subjected on moving direction.
Described second mechanism 130 comprises second drive unit 131, second adjustment arm 132 and the clamping device 133, and described second drive unit 131 is used to adjust second and adjusts moving of arm 132, and described clamping device 133 is installed on the end of the described second adjustment arm 132.In the present embodiment, described second drive unit 131 is a servomotor, and described clamping device 133 is a gripper jaw.Described clamping device 133 is sandwiched on described first eyeglass 211, makes the eyeglass 211 of winning follow the described second adjustment arm 132 and moves.Described first moving direction of adjusting the arm 122 and the second adjustment arm 132 is positioned on the same surface level and is vertical mutually.
Described the 3rd mechanism 140 is used to adjust the distance between described load bearing seat 110 and the described image sensor 150.In the present embodiment, described the 3rd mechanism 140 adjusts the position of the vertical direction of described load bearing seat 110, make described image sensor 150 be in the clearest place of imaging of described camera lens module 200, (Modulation Transfer Function MTF) detects to be used for modulation transfer function.Described glue applying mechanism 180 is used for after the 211 relative camera lens module 200 eccentric adjustment of described first eyeglass are finished described first eyeglass 211 being adhered in the described lens barrel 210.
Please join Fig. 3 and Fig. 4, described controller 170 comprises resistance acquisition module 171, locating module 172, acquisition module 173, adjusting module 174, memory module 176, control module 177 and Knockdown block 178.
Resistance acquisition module 171 is used to obtain the Resistance Value of force transducer 123.Locating module 172 is used to control first mechanism 120 described first eyeglass 211 is moved to a position as initial position.Described locating module 172 inside set in advance particular value, when Resistance Value stops to move of first mechanism 120 during greater than particular value.The size of described particular value is set to be subjected to slight stopping when described first eyeglass 211 moves and gets final product.In the present embodiment, described locating module 172 drives first mechanism 120 and promotes described first eyeglass 211, and the Resistance Value that is subjected to when described first mechanism 120 stops to move of first mechanism 120 during greater than particular value, as the initial position of described first eyeglass 211.Because described camera lens module 200 is fixed on the load bearing seat 110, described second eyeglass 212 is fixed in the described lens barrel 210, so when described first eyeglass 211 was pushed, its circle blind hole 211b hole wall can be run into the position that reaches capacity on the described round platform 212b.
Acquisition module 173 is used to obtain the picture of described image sensor 150 sensings.Described adjusting module 174, be used for according to described picture control described first mechanism 120, second mechanism 130 moves described first eyeglass 211, makes that the optical axis L of the described relatively camera lens module 200 of described first eyeglass 211 is not eccentric.Described adjusting module 174 can be by artificial picture according to image sensor 150 sensings adjusting module 174 to be set to control first mechanism 120 and second mechanism 130, carries out the off-centre of the described relatively camera lens module 200 of first eyeglass 211 and corrects.Also can adjust the off-centre that programmed control first mechanism 120, second mechanism 130 carry out the described relatively camera lens module 200 of first eyeglass 211 according to existing MTF corrects.In the present embodiment, described adjusting module 174 adjusts programmed control first mechanism 120 according to existing MTF and second mechanism 130 carries out the off-centre rectification of the described relatively camera lens module 200 of first eyeglass 211.
Described memory module 176 is used to write down the process that described first mechanism 120, second mechanism 130 move.Described memory module 176 can be that the initial position of record first eyeglass 211 is to the change in location between the position of described first eyeglass 211 when not eccentric with respect to camera lens module 200.Promptly first mechanism 120 and second mechanism 130 from the initial position of described first eyeglass 211 to described first eyeglass 211 the priority position the position when not eccentric with respect to camera lens module 200.Also can be record move to mobile route between the position of described first eyeglass 211 when not eccentric with respect to camera lens module 200 from the initial position of first eyeglass 211 to described memory module 176.In the present embodiment, described memory module 176 is used for finishing eccentric adjustment process up to described first eyeglass 211, order and amount of movement that described adjusting module 174 pairs of described first mechanisms 120, second mechanisms 130 move from back, described first eyeglass, 211 location opening entry.
Control module 177, first eyeglass that is used for moving another camera lens module (figure does not indicate) (among the figure sign) according to first mechanism 120 of record and described first mechanism 120 of process control that moves of second mechanism 130 and second mechanism 130.When the off-centre of carrying out other camera lens modules of same batch is adjusted, remaining camera lens module is fixed on the described load bearing seat 110 in an identical manner.And utilize described locating module 172 that remaining camera lens module is positioned, utilize described control module 177 eyeglass of remaining camera lens module to be carried out off-centre adjustment again according to the moving process of described first mechanism 120 of memory module 176 record and second mechanism 130.
Described Knockdown block 178 is used for described first eyeglass 211 is fixed in the described camera lens module 200.In the present embodiment, described Knockdown block 178 reference mark gluing mechanisms are bonded in described first eyeglass 211 on described second eyeglass 212.
See also Fig. 5 and be the eccentric method of adjustment of camera lens module provided by the invention, the eccentric method of adjustment of described camera lens module may further comprise the steps:
Step S110: fixed lens module 200.In the present embodiment, described load bearing seat 110 is provided with a reference point 111, and second eyeglass 212 in the described camera lens module 200 and gate vestiges 212a, the 213a of prismatic glasses 213 radially all point to described sign 111.
Step S115: first eyeglass 211 of described camera lens module 200 thing sides is positioned in the described camera lens module 200.In the present embodiment, described first eyeglass 211 is placed on described second eyeglass 212, and the gate vestiges 211a at described first eyeglass 211 edges is pointed to described sign 111.
Step S120: described first eyeglass 211 is moved to a position as initial position.In the present embodiment, adopt with described first eyeglass 211 when a direction reaches the limit of the position as initial position.Described locating module 172 drives first mechanism 120 earlier and promotes described first eyeglass 211, because described camera lens module 200 is fixed on the load bearing seat 110, described second eyeglass 212 is fixed in the described lens barrel 210, so when described first eyeglass 211 is pushed, its circle blind hole 211b hole wall can be met on the described round platform 212b, thereby reaches the extreme position of described first eyeglass 211.
Step S125: obtain imaging by camera lens module 200.In the present embodiment, the distance of utilizing described the 3rd mechanism 140 to adjust between described load bearing seat 110 and the described image sensor 150.In the present embodiment, described the 3rd mechanism 140 adjusts the position of the vertical direction of described load bearing seat 110, make described image sensor 150 be in the clearest place of imaging of described camera lens module 200, be used for modulation transfer function (Modulation Transfer Function, detection MTF).
Step S130: radially adjust the position of first eyeglass 211, make the eyeglass 211 of winning not eccentric with respect to described camera lens module 200.In the present embodiment, utilize described adjusting module 174 according to described picture control described first mechanism 120, second mechanism 130 moves described first eyeglass 211, makes that the optical axis L of the described relatively camera lens module 200 of described first eyeglass 211 is not eccentric.Described adjusting module 174 can be by artificial picture according to image sensor 150 sensings adjusting module 174 to be set to control first mechanism 120 and second mechanism 130, carries out the off-centre of the described relatively camera lens module 200 of first eyeglass 211 and corrects.Also can adjust the off-centre that programmed control first mechanism 120, second mechanism 130 carry out the described relatively camera lens module 200 of first eyeglass 211 according to existing MTF corrects.In the present embodiment, described adjusting module 174 adjusts programmed control first mechanism 120 according to existing MTF and second mechanism 130 carries out the off-centre rectification of the described relatively camera lens module 200 of first eyeglass 211.
Step S135: write down moving of described first eyeglass 211.This record can be the position of record first eyeglass 211 when being placed in the camera lens module 200 to described first eyeglass 211 change in location between the position when not eccentric with respect to camera lens module 200.Also can be record from first eyeglass 211 be placed in the camera lens module 200 time the position move to moving process between the position of described first eyeglass 211 when not eccentric with respect to camera lens module 200.In the present embodiment, adjusting module 174 was controlled order and the amount of movement that each travel mechanism moves after described memory module 176 described first mechanisms 120 of record and second mechanism 130 determined initial position from described locating module 172.
Step S140: described first eyeglass 211 is fixed on the described camera lens module 200.In the present embodiment, utilize described Knockdown block 178 reference mark gluing mechanisms that described first eyeglass 211 is bonded on described second eyeglass 212.
Step S145: fixing next camera lens module (not indicating among the figure).In the present embodiment, this step is identical with described step S110.
Step S150: first eyeglass (not indicating among the figure) of described next camera lens thing side is positioned in the described next camera lens module.In the present embodiment, this step is identical with described step S115.
Step S 155: first eyeglass of described next camera lens module is moved to initial position.In the present embodiment, this step is identical with described step S120.
Step S160: first eyeglass that moves radially next camera lens module according to record.In the present embodiment, utilize described control module 177 to control first eyeglass that described first mechanism 120 and second mechanism 130 move described next camera lens module, make that first eyeglass of described next camera lens module is not eccentric with respect to the optical axis of described next camera lens module according to the mobile order of first mechanism 120 of memory module 176 record and second mechanism 130 and amount of movement.
Step S165: first eyeglass of described next camera lens module is fixed.In the present embodiment, this step is identical with described step S140.
Assembling and testing device provided by the invention only needs earlier one in same batch the camera lens module to be adjusted, and note adjustment process, only need locate remaining camera lens module and to get final product according to the adjustment process adjustment of noting after finishing, thereby the raising of having saved greatly the eccentric time of adjusting of camera lens module, improved the efficient of eccentric adjustment.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection domain that all should belong to claim of the present invention with distortion.
Claims (9)
1. assembling and testing device, it comprises travel mechanism, image sensor and controller, described assembling and testing device is used for a plurality of camera lens modules of assembling test, extremely all be disposed with first eyeglass and second eyeglass along the thing side in described a plurality of camera lens module as side, described second eyeglass is fixed in the described camera lens module, described first eyeglass can move radially by described relatively second eyeglass, it is characterized in that described controller comprises:
Locating module, control travel mechanism moves radially a position as initial position with described first eyeglass;
Acquisition module is used to obtain the picture of described image sensor sensing;
Adjusting module is used for controlling described travel mechanism according to described picture and moves described first eyeglass, makes that the optical axis of the described relatively camera lens module of described first eyeglass is not eccentric;
Memory module is used to write down the process that described travel mechanism moves;
Control module is used for moving according to the described travel mechanism of process control that moves of travel mechanism of record first eyeglass of another camera lens module.
2. assembling and testing device as claimed in claim 1, it is characterized in that, described load bearing seat is provided with sign, and described first eyeglass and second lens edge have gate vestiges, and the gate vestiges of described first eyeglass and second lens edge is radially all pointed to described sign.
3. assembling and testing device as claimed in claim 2 is characterized in that, the described reference point that is designated.
4. assembling and testing device as claimed in claim 1, it is characterized in that, described travel mechanism comprises orthogonal first mechanism of moving direction and second mechanism, described first mechanism and second mechanism are used to adjust the first eyeglass radial position of described camera lens module thing side, described first mechanism also comprises force transducer, described force transducer is used for the resistance on the described first mechanism's moving direction of sensing, described controller also comprises the resistance acquisition module, be used to obtain the Resistance Value of force transducer, described locating module is provided with particular value, when the Resistance Value of described force transducer stops to move of first mechanism during greater than particular value, as the initial position of described first eyeglass.
5. assembling and testing device as claimed in claim 4 is characterized in that, described particular value is when described first eyeglass of described first mechanism urges moves, the Resistance Value when described first eyeglass is subjected to radially stopping.
6. assembling test method, this method is used to test a plurality of camera lens modules, extremely all be disposed with first eyeglass and second eyeglass along the thing side in described a plurality of camera lens module as side, described second eyeglass is fixed in the described camera lens module, described first eyeglass can move radially by described relatively second eyeglass, and described assembling test method may further comprise the steps:
Fix a camera lens module;
Described first eyeglass is positioned in the described camera lens module;
Described first eyeglass is moved radially a position as initial position;
Radially adjust the position of first eyeglass, make the eyeglass of winning not eccentric with respect to the optical axis of described camera lens module;
Write down the described first eyeglass moving process;
Fixing next camera lens module;
First eyeglass of described next camera lens module is positioned in the described next camera lens module;
First eyeglass of described next camera lens module is moved radially described initial position;
Move radially first eyeglass of described next camera lens module according to record, make that first eyeglass of described next camera lens module is not eccentric with respect to the optical axis of described next camera lens module.
7. assembling test method as claimed in claim 6 is characterized in that, described first eyeglass and second lens edge have gate vestiges, and the gate vestiges of described first eyeglass and second lens edge is radially all pointed to same direction,
8. assembling test method as claimed in claim 6 is characterized in that, the process that described record first eyeglass moves for the initial position of record first eyeglass to the change in location between the position of described first eyeglass when not eccentric with respect to the camera lens module.
9. camera lens module assembling test method as claimed in claim 6, it is characterized in that the process that described record first eyeglass moves moves to mobile route between the position of described first eyeglass when not eccentric with respect to the camera lens module for record from the initial position of first eyeglass.
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| CN2008103048810A CN101726986B (en) | 2008-10-10 | 2008-10-10 | Assembling and testing device and method thereof |
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| CN2008103048810A CN101726986B (en) | 2008-10-10 | 2008-10-10 | Assembling and testing device and method thereof |
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| CN101726986A true CN101726986A (en) | 2010-06-09 |
| CN101726986B CN101726986B (en) | 2011-11-09 |
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| CN109495673A (en) * | 2017-09-11 | 2019-03-19 | 宁波舜宇光电信息有限公司 | Camera module and its assemble method |
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| CN114603756A (en) * | 2022-03-22 | 2022-06-10 | 深圳市新四季信息技术有限公司 | Lens assembly assembling process and containing equipment for same |
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