CN105807552A - Camera module rectification device, distance adjustment test system and method - Google Patents
Camera module rectification device, distance adjustment test system and method Download PDFInfo
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- CN105807552A CN105807552A CN201410841086.0A CN201410841086A CN105807552A CN 105807552 A CN105807552 A CN 105807552A CN 201410841086 A CN201410841086 A CN 201410841086A CN 105807552 A CN105807552 A CN 105807552A
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Abstract
The invention provides a camera module rectification device, a distance adjustment test system and a method. The camera module rectification device comprises a test pedestal, a module support device and a distance regulation rectification system; the module support device is fixed on a test pedestal for connecting to the camera module in a pivoting mode, which enables the camera module to maintain a vertical working position and a horizontal placement position; the distance regulation rectification system is installed in the test pedestal and faces to the module support device so as to realize multi-point rectification test on the camera module, which helps to improve the consistency of the rectification test of the camera module; when a first label plate of the distance regulation rectification system is slid to a position near to a focus, the camera module directly faces the first label plate and a near focus rectification test is conducted; when the second label plate of the distance regulation rectification system is slid to a middle focus position, the camera module directly faces the second label plate and a middle focus rectification test is conducted; and the when the second label plate is slid to a far focus position, the camera module indirectly faces the second label plate through a distance lengthening device of the distance regulation system and a far focus rectification test is conducted.
Description
Technical field
The present invention relates to a kind of apparatus for correcting, specifically, be a kind of apparatus for correcting for camera module auto-focusing.
Background technology
In recent years, flourish along with mobile phone industry, cell-phone camera had progressively replaced the use of traditional camera, is no matter work and study or amusement is played, and when taking pictures shooting, mobile phone is undoubtedly nearest selection.And along with the intelligent development of mobile phone, the photo that cell-phone camera obtains and video are able to Fast synchronization to network, share with other people, the routine work being greatly convenient for people to and life.Meanwhile, the definition of mobile phone photograph picture is required also more and more higher by people, often when choosing mobile phone products, shooting level becomes the important factor in order that people select, if in similar contrast mobile phone, shooting definition higher, for shutterbugs, undoubtedly can bonus point many.
Cell-phone camera module is developed so far, and competition is gradually white-hot so that the pixel of camera module is improved constantly, and from 300,000 pixels in past ten million pixel by now, presses on towards common digital camera level.When shooting with mobile phone, a good camera module only leans on pixel height to be far from being enough, in addition it is also necessary to meets more and more vigorous shooting impression demand, namely all shoots clear by focusing means by close shot and distant view, make whole process cell-phone camera module clearly.What 300,000 pixels once adopted to the cell-phone camera module of 1,300,000 pixels is tight shot, it is impossible to changing camera lens focus, the personage's scene taken usually obscures a piece of.What 1,300,000 pixels later adopted mostly to the cell-phone camera module of 2,000,000 pixels is two sections of manual zoom camera lenses, is mainly used in close shot and takes pictures.Present cell-phone camera module is typically all more than 5,000,000 pixels, what adopt is autofocus lens, auto-focusing (AF) function is realized by motor module, wherein, zoom is changed by the position of camera lens, object and focus tripartite and produces, when imaging surface moves in the horizontal direction, automatic change will be there is in the distance between camera lens module and sensitive chip, thus being automatically adjusted focal length, realize auto-focusing, scenery at a distance becomes apparent from, and has the sensation that kind of object goes forward one by one automatically when taking pictures.
The fast development of autofocus lens so that camera module is carried out AF rectification and seems further important by raw manufacturer, if the auto-focusing that camera module is in application of taking pictures has deviation, it is possible to by AF apparatus for correcting, it is increased compensating parameter and be adjusted.At present, the AF correcting technology come into operation is to be placed with ground level by camera module, the mark version investing horizontal plane is carried out, to photographs, obtaining the compensating parameter of correspondence to carry out AF rectification by the position of dollying module, and mark version such as rises to the surface of camera module, open light source irradiation mark version, camera module is arranged on test fixture, is parallel to mark version, in horizontal positioned state, to mark version take pictures, reading, obtain compensating parameter.And take pictures in process actual, mobile phone is generally vertically to ground and shoots by people, this style of shooting is more more than the number of times that horizontal style of shooting is used, if the shooting of AF correcting technology employing level is compensated parameter, compensating parameter generation deviation that will be required with time actually used, reduces the accuracy of camera module automatic focusing function on the contrary.Simultaneously, in actual vertical direction shooting process, motor module can produce certain sinking because of self gravitation effect, and duty during with rectification also can be otherwise varied, and these factors all can affect the compensating parameter deviation real use state that rectification obtains.
In the horizontal AF test corrected, on the one hand, owing to being that mark version is taken pictures by the mobile test frock certain focal length of generation, be arranged on the camera module in test fixture and can be given a shock and the change of generation technique index, affect the AF compensating parameter accuracy corrected.On the other hand, when test, camera module often only marks version in distance to a declared goal some sampling to one, do not carry out comprehensive sample analysis, having deviation to correcting compensating parameter, the shooting after adjustment may be clear to distant view, and the unsharp situation of close shot occurs, cause that the photo shot in some distances is fuzzy to some extent, it is impossible to reach whole process effect clearly.If changing different mark versions to carry out the shooting of diverse location, adjusting camera module and not only can cause internal vibration, operating also relatively complicated.
Summary of the invention
Present invention is primarily targeted at and the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof are provided, wherein, camera module vertically shoots, effectively simulate practical application, gained AF corrects compensating parameter and more meets use state, greatly improves the accuracy of camera module automatic focusing function.
Another object of the present invention is to provide the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof, it need not change the position of camera module, preventing camera module to be given a shock and the change of generation technique index when mobile, the AF improving module corrects accuracy.
Another object of the present invention is to provide the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof, it adopts multiple spot to correct mode, near, in, remote diverse location carry out correcting test, improve the concordance of product.
Another object of the present invention is to provide the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof, it includes a module support equipment, being supported camera module keeps a duty and to pick and place state, makes equipment hommization more, facilitates camera lens module loading or unloading operation.
Another object of the present invention is to provide the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof, it includes a roll adjustment correction system, ensured that the AF carrying out multiple mark version position under the premise of camera module invariant position corrects, the AF making module corrects precision more, effectively prevents module from affecting AF because of vibrations and corrects.
Another object of the present invention is to provide the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof, wherein, roll adjustment correction system is able to adjust accordingly with the testing requirement of different modules, expands the use scope of apparatus for correcting.
Another object of the present invention is to provide the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof, wherein, the first mark version of roll adjustment correction system adopts extraction form to change so that mark version different modules carry out fast changeable first when AF corrects.
Another object of the present invention is to provide the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof, wherein, the test position that the second of roll adjustment correction system is marked needed for version is able to different modules moves, and increases the versatility of roll adjustment correction system.
Another object of the present invention is to provide the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof, wherein, the increment device of roll adjustment correction system adopts combinative structure in design, is able to carry out the general installation of many groups according to different modules.
Another object of the present invention is to provide the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof, it includes a light supply apparatus, there is many uniforms source of light, each light-source brightness is able to do, according to test light as requested, the mark version that corresponding adjustment is different with correspondence, thus, meet the product of different characteristics.
Another object of the present invention is to provide the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof, wherein, it is consistent that light supply apparatus is maintained brightness when test, the rectification test of same light source correspondence diverse location is realized by the mode of software compensation, it is not necessary for catering to different tests and frequent dark bright light source, effectively prevents light source from changing the asthenopia that employee is caused.
Another object of the present invention is to provide the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof, wherein, camera module coordinates the form of keyset with the adapter that connects through of test fixture, is prevented effectively from the loose contacts such as the stitch curving using contact pin contact to cause, sagging, dirt.
Another object of the present invention is to provide the apparatus for correcting of a kind of camera module, roll adjustment test system and method thereof, it is controlled by software so that equipment is simple to operation, and automaticity is high.
Thus, in order to realize above-mentioned purpose, the apparatus for correcting of a kind of camera module includes a rectification frame, and described rectification frame includes a Test bench；One module support equipment, described module support equipment is fixed on described Test bench, for pivot joint camera module, camera module is made to keep a duty and to pick and place state, when in running order, described module support equipment is in a vertical position, when be in pick and place state time, described module support equipment is in a horizontal level；And a roll adjustment correction system, described roll adjustment correction system is installed on described Test bench, towards described module support equipment, carries out multiple spot for camera module and corrects test, be favorably improved camera module and correct the concordance of test.
Wherein, described roll adjustment correction system includes one first debugging apparatus, the contiguous described module support equipment of described first debugging apparatus, is maintained a nearly coke-like state, and near burnt for camera module corrects test；One second debugging apparatus, described second debugging apparatus is slidably mounted on described Test bench, is maintained in one coke-like state relative to described module support equipment, and middle burnt for camera module corrects test；And an increment device, described increment device is located between described module support equipment and described second debugging apparatus, by the relative position adjustment of described increment device Yu described second debugging apparatus, being maintained a remote coke-like state, remote burnt for camera module corrects test.
Wherein, described rectification frame farther includes a monitoring system, for controlling and display device test information；And support described Test bench and an outer frame of described monitoring system, in described outer frame, there is a test cabinet, described module support equipment and described roll adjustment correction system are installed.
Wherein, described camera module apparatus for correcting farther includes multiple actuating device, described actuating device is respectively arranged in described module support equipment and described roll adjustment correction system, is controlled the rotation of described module support equipment and the roll adjustment operation of described roll adjustment correction system.
Wherein, described camera module apparatus for correcting farther includes a light supply apparatus, and described light supply apparatus is installed in described test cabinet, for the rectification test providing light to come from described roll adjustment correction system.
Wherein, described first debugging apparatus includes one first debugging frame, and described first debugging frame is horizontally installed on described Test bench, contiguous described module support equipment；And one first mark version, described first mark version is slidably mounted on described first debugging frame, is operated by roll adjustment, is slided into a nearly burnt position so that described first debugging apparatus is in described nearly coke-like state.
Wherein, described first debugging frame includes one and slides laterally frame, the described frame that slides laterally is horizontally installed in described first debugging frame, slid laterally by described actuating device, wherein, described first mark version and described increment device compartment of terrain slide laterally frame both sides described in being installed on, and are able to slide laterally with the described frame that slides laterally.
Wherein, described first debugging frame farther includes a longitudinal sliding motion frame, described longitudinal sliding motion frame extends back from the described frame that slides laterally, for vertically moving described first mark version, regulate the distance between camera module and described first mark version, the near burnt position required to meet the closely burnt test of different camera modules.
Wherein, what described increment device was selected is at least one teleconverter, for assisting remote burnt rectification test, by adopting combinative structure, is able to carry out the general installation of many groups according to different modules.
Wherein, described second debugging apparatus includes one second debugging frame, and described second debugging frame extends forward from described first debugging frame both sides symmetrically；And one second mark version, described second mark version slidably engages described second debugging frame, obtain so that described second mark version moves to camera module, arrive far burnt position, burnt position and in default one, be suitable to camera module and carry out middle burnt rectification test and remote burnt rectification test.
Wherein, described light supply apparatus includes one first light source, and described first light source integral type or separately body are located at described first mark version dorsal part, comes from described first mark version for providing light；And a secondary light source, described secondary light source integral type or the split type dorsal part being located at described second mark version, come from described second mark version for providing light.
Wherein, described first light source and described first marks version is integral type so that described first light source and described first mark version synchronizing moving, and it is split type that described secondary light source and described second marks version, not along with described second mark version moves.
Wherein, described test fixture farther includes a keyset and a sealing groove part, described keyset connects earthing mode by socket and is installed on described test fixture, for a connector connecting camera module, described sealing groove part adjoins described keyset, it is rotatably installed on described test fixture, for fixing camera module in described test fixture.
The AF of a kind of camera module corrects method of testing, including step:
A () places camera module to be measured on a test fixture；
B () starts described test fixture and a roll adjustment correction system is in a duty, when described test fixture is in described duty, described test fixture turns to a vertical position, towards described roll adjustment correction system, by described roll adjustment correction system adjust homologue from, carry out multiple spot AF correct test；And
C described test fixture is turned to one from described duty by an actuating device and picks and places state by (), be able to the camera module after a horizontal level takes out test.
Wherein, described step (b) farther includes step:
(b.1) by described actuating device, described test fixture is turned to vertical position from described horizontal level, correct test for vertically carrying out AF；
(b.2) the one first of the described roll adjustment correction system that slides marks version to a nearly burnt position, and for camera module is faced directly described first mark version, the nearly Jiao AF being suitable to camera module corrects；
(b.3) slide one second mark version of described roll adjustment correction system to position burnt in, meanwhile, by lateral sliding will described first mark version deviation camera module, face described second mark version directly for camera module, be suitable to the middle burnt AF rectification of camera module；And
(b.4) the increment device of described roll adjustment correction system of sliding is marked between version and camera module to described second, simultaneously, described second mark version of sliding is to a remote burnt position, indirectly marking version towards described second for camera module through described increment device, the remote burnt AF being suitable to camera module corrects.
Wherein, described step (b) farther includes step (b.5): the roll adjustment with described roll adjustment correction system that rotates being automatically controlled described test fixture by a monitoring system is operated, compensating test light source, meanwhile, described monitoring service system is able to the rectification test of the AF to camera module and carries out data record and display.
Accompanying drawing explanation
Fig. 1 is perspective view according to a preferred embodiment of the invention.
Fig. 2 is the rectification frame perspective view of the above preferred embodiment according to the present invention.
Fig. 3 is the fragmentary, perspective view of the above preferred embodiment according to the present invention.
Fig. 4 A is the perspective view (picking and placeing state) of the module support equipment of the above preferred embodiment according to the present invention.
Fig. 4 B is the perspective view (duty) of the module support equipment of the above preferred embodiment according to the present invention.
Fig. 5 is the fragmentary, perspective view of the roll adjustment correction system of the above preferred embodiment according to the present invention.
Fig. 6 is the partial side view of the roll adjustment correction system of the above preferred embodiment according to the present invention.
Fig. 7 A is that the near burnt of the above preferred embodiment according to the present invention corrects test schematic diagram.
Fig. 7 B is that the middle burnt of the above preferred embodiment according to the present invention corrects test schematic diagram.
Fig. 7 C is that the remote burnt of the above preferred embodiment according to the present invention corrects test schematic diagram.
Detailed description of the invention
Claim according to the present invention and description disclosure of that, described in technical scheme literary composition specific as follows.
The apparatus for correcting of a kind of camera module as described in Figure 1, for testing the auto-focusing of camera module A, it includes a rectification frame 10, and described rectification frame 10 includes a Test bench 11；One module support equipment 20, described module support equipment 20 is fixed on described Test bench 11, for pivot joint camera module A, camera module A is made to keep a duty and to pick and place state, when in running order, described module support equipment 20 is in a vertical position, when be in pick and place state time, described module support equipment 20 is in a horizontal level；And a roll adjustment correction system 30, described roll adjustment correction system 30 is installed on described Test bench 11, towards described module support equipment 20, carries out multiple spot for camera module A and corrects test.Thus, camera module A vertically shoots, and effectively simulates practical application, and gained AF corrects compensating parameter and more meets use state, greatly improves the accuracy of camera module A automatic focusing function.
Described roll adjustment correction system 30 includes one first debugging apparatus 31, the contiguous described module support equipment 20 of described first debugging apparatus 31, is maintained a nearly coke-like state, and near burnt for camera module A corrects test；One second debugging apparatus 32, described second debugging apparatus 32 is slidably mounted on described Test bench 11, is maintained in one coke-like state relative to described module support equipment 20, and middle burnt for camera module A corrects test；And an increment device 33, described increment device 33 is located between described module support equipment 20 and described second debugging apparatus 32, adjustment by described increment device 33 with described second debugging apparatus 32 relative position, being maintained a remote coke-like state, remote burnt for camera module A corrects test.
Shown in Fig. 2 is correct frame 10 to farther include a monitoring system 12, for controlling and display device test information；One outer frame 13, for supporting described Test bench 11 and described monitoring system 12；And an operating board 14, described operating board 14 stretches out from described Test bench 11, corrects the associative operation of test for AF, is able to module support equipment 20 described in regulable control and described roll adjustment correction system 30.
Described outer frame 13 includes three added side doors 131, two undercarriage side door 132 and four castors 133, described added side door 131 upwardly extends from the edge of described Test bench 11 respectively, being formed a test cabinet, described module support equipment 20 is located at the rear side of described installation room, and described roll adjustment correction system 30 is installed on the inner side of described test cabinet, wherein, described test cabinet is semi-closed structure, by an open surface of described test cabinet, is able to be installed in described module support equipment 20 camera module A.Wherein, the first half of described outer frame 13 is located at opening or closing by described added side door 131, select panel beating material to make and double; two open side door, carried out opening or closing, while convenient supervision equipment running status, it is to avoid the interference of ambient light, owing to the testing of alignment of camera module A can be exposed the impact of rate, need to ensure the concordance of light source when correcting test, external light source may affect shooting clear degree, causes test result deviation.Wherein said undercarriage side door 132 downwardly extends from the both sides of described pedestal, is installed on the lower half of described additional frame, and for electrical module and the cabling of protection device interior, what described undercarriage side door 132 was selected is that iron plate side door is made.Wherein, described four castors 133 are respectively arranged in the corner of described outer frame 13, are contacted with ground, are supported described rectification frame 10, contribute to mobile and fixing described rectification frame 10.
Described monitoring system 12 includes display 121 and a keyboard, described display 121 can be adjustably mounted to the upside of described outer frame 13, fixed by a universal head, it is adapted to conform with the operating habit of user, make equipment debugging and user change position according to difference custom, contribute to described camera module A apparatus for correcting hommization more.Wherein, described display 121 is computer display screen, is electrically connected to a host computer, is shown dependence test information by the control of described keyboard and runs dependence test instruction.Wherein, having a keyboard support 122 on the inwall of described undercarriage side door 132, described keyboard is placed on described keyboard support 122, it is simple to be operated.
Described operating board 14 has an operation interface and at least one storage room 141, and described operation interface must think that equipment user carries out associative operation, automatically controls the duty of dependence test element and device.Described storage room 141 is formed at the both sides of described operating board 14, for depositing camera module the A to be measured and camera module A being completed, greatly facilitates the operation of employee, improves work efficiency.
As shown in Figure 3 be the close beta system of camera module apparatus for correcting, described camera module apparatus for correcting farther includes multiple actuating device 40, described actuating device 40 is respectively arranged in described module support equipment 20 and described roll adjustment correction system 30, is controlled the rotation of described module support equipment 20 and the operation of described roll adjustment correction system 30；And a light supply apparatus 50, described light supply apparatus 50 is installed in described test cabinet, must think that described roll adjustment correction system 30 provides many uniforms source of light, be suitable to do corresponding adjustment according to test light as requested and carry out corresponding different AF rectification test, thus, meet the camera module A of different characteristics and carry out multiple spot AF testing requirement.
Wherein, described actuating device 40 includes a motor 41 and is connected to a Timing Belt 43 of described motor 41, described motor 41 is driven described Timing Belt 43 to carry out rotational positioning operation, and what described motor 41 selected is motor 41, contributes to reducing cost while ensureing positioning precision.
Described module support equipment 20 is located at the rear side of described Test bench 11, it includes a test fixture 21 and installs a bracing frame 22 of described test fixture 21, described test fixture 21 is articulated in support frame as described above 22, by actuating device 40 described in a group, rotated to described vertical position or horizontal level, described test fixture 21 carries out shooting and being subject to the monitoring of described monitoring system 12 for connecting camera module A, contribute to camera module A and realize vertically shooting when AF tests, effectively simulation actual photographed state, simultaneously, in multi-point sampler, the position of camera module A need not be changed, camera module A is prevented to be given a shock impact when test.Wherein, described motor 41 is installed on the lower section of support frame as described above 22, and by a pair synchronizing wheel 42, described Timing Belt 43 is driven the test fixture 21 being articulated between described synchronizing wheel 42, so as to rotate.In other words, the synchronizing wheel 42 that described motor 41 is in same rotating shaft by Timing Belt 43 drive and described test fixture 21 rotates, when described test fixture 21 is turned to horizontal level, described test fixture 21 is in the state of picking and placeing, it is able to from test fixture 21, be removed or placed into camera module A, when described test fixture 21 is turned to vertical position, described test fixture 21 is in running order, it is able to camera module A in the face of described roll adjustment correction system 30, carry out AF and correct test, make equipment hommization more, facilitate loading or unloading operation.Wherein, described module support equipment 20 farther includes an origin switch, described former electric switch 23 adjoins described synchronizing wheel 42, for the initial initial point determining motor 41, contribute to described test fixture 21 fine rotational to described vertical position, carry out AF and correct test, to avoid measurement error, as shown in Figure 4 A.
nullDescribed test fixture 21 farther includes keyset 211 and a sealing groove part 212，Described keyset 211 connects earthing mode by socket and is installed on described test fixture 21，Described sealing groove part 212 adjoins described keyset 211，Simultaneously，Described sealing groove part 212 is rotatably installed on described test fixture 21，Wherein，Described test fixture 21 is provided with a mounting groove 213，It is formed between described keyset 211 and described sealing groove part 212，That is，Described mounting groove 213 extends from described keyset 211 to described sealing groove part 212，For placing camera module A，It is positioned over the mounting groove 213 on described keyset 211 at a connector A1 at described camera module A rear portion，The camera lens module A 2 anterior at described camera module A is positioned over the mounting groove 213 under described sealing groove part 212，Described sealing groove part 212 is installed on described mounting groove 213 opening or closing，It is maintained an open position or a make position，When camera module A is in and picks and places state，Described sealing groove part 212 is opened up，It is at described open position，Camera module A enters in anterior mounting groove 213，The adapter A1 of described camera module A coordinates described keyset 211，Camera module A coordinates the form of keyset 211 with the described adapter A1 that connects through of described test fixture 21，It is prevented effectively from the stitch curving using contact pin contact to cause、It sink、The loose contacts such as dirt.When camera module A is in running order, close downwards described sealing groove part 212, is in described make position so that camera lens module is stably installed in the mounting groove 213 of described test fixture 21.Wherein, described sealing groove part 212 is a gland or a rotating handle member, is able to form manually or automatically and is sealed in the mounting groove 213 of described test fixture 21 by camera module A, effectively prevents module from warping, as shown in Figure 4 B.
In other words, described mounting groove 213 has a connector mounting groove 213 and a camera lens module mounting groove 213, described adapter mounting groove 213 is positioned at described keyset 211, for installing the adapter A1 that camera lens module is connected, described camera lens module mounting groove 213 is located in described test fixture 21, for installing camera lens module A 2, when camera module A is installed in described mounting groove 213, it is able to the camera module A in test fixture 21 is attached operation by adapter A1.
It is noted that described test fixture 21 has a pair adjustment portion in XY direction, obtain so that described test fixture 21 carries out XY horizontal adjustment, contribute to the stability of camera module A and meet the product of different structure.
Shown in Fig. 5 is the first debugging apparatus 31 in described roll adjustment correction system 30 and increment device 33, described first debugging apparatus 31 includes one first debugging frame 311, described first debugging frame 311 is horizontally installed on described Test bench 11, compartment of terrain, from described module support equipment 20 horizontal expansion forward, is close to described module support equipment 20；One first mark version 312 and install one first mark plate rack 313 of described first mark version 312, described first mark plate rack 313 upwardly extends from the side of described first debugging frame 311 so that described first mark version 312 is towards described module support equipment 20.Wherein, described increment device 33 is installed on the opposite side of described first debugging frame 311, and has a spacing distance, described spacing distance to be suitable to camera module A between described first mark version 312 to pass through and carry out middle burnt test.
Described first debugging frame 311 includes one and slides laterally frame 3111, the described frame 3111 that slides laterally is horizontally installed in described first debugging frame 311, connection by actuating device 40 described in one first fastener 314 and a group, so that described in slide laterally frame 3111 and carry out lateral movement along described first debugging frame 311, described first mark version 312 upwardly extends from the described two ends sliding laterally frame 3111 with increment device 33 compartment of terrain.Wherein, the lower section of described first debugging frame 311 is located at by the transmission band of described actuating device 40, described first fastener 314 slides laterally frame 3111 and Timing Belt 43 described in connecting, so that described in slide laterally frame 3111 along with described Timing Belt 43 transverse shifting, for the position regulating described first mark version 312 and increment device 33, it is simple to carry out multifocal rectification and test.
Described first debugging frame 311 farther includes a longitudinal sliding motion frame 3112, described longitudinal sliding motion frame 3112 extends back from the described frame 3111 that slides laterally, vertically extend to camera module from the described frame that slides laterally, for vertically moving described first mark version 312, regulate the distance between camera module A and described first mark version 312, the near burnt position required to meet the closely burnt test of different camera module A.
Described first small volume marking version 312, when carrying out nearly burnt test, marks version 312 by described first and regulates to the distance of camera module A, obtains so that camera module A when marking version 312 and shooting to described first, and described first mark version 312 is just full of picture.Wherein, described first mark version 312 has a jag, plate rack 313 is marked outwardly from described first, obtained so that the first mark version 312 of described roll adjustment correction system 30 adopts extraction form to be replaced by described jag, make the fast changeable first when different camera module A are carried out AF rectification mark version 312, improve work efficiency.
It is noted that the selection of described increment device 33 is at least one teleconverter, described teleconverter has the function increasing focal length, assists remote Jiao's AF rectification test, and described teleconverter adopts combinative structure in design, is able to carry out the general installation of many groups according to different modules.When carrying out remote burnt AF test, described teleconverter moves laterally to the dead ahead of camera module A by being arranged on the actuating device 40 of described first debugging frame 311, carries out AF rectification.
Shown in Fig. 6 is the second debugging apparatus 32 in described roll adjustment correction system 30, and described second debugging apparatus 32 includes one second debugging frame 321, and described second debugging frame 321 extends forward from described first debugging frame 311 both sides symmetrically；One second marks version 322 and installs the second mark plate rack 323 of described second mark version 322, described second mark version 322 slidably engages described second debugging frame 321, obtain so that described second mark version 322 moves to camera module A, arrive burnt position and a remote burnt position in preset one, it is easy to camera module A burnt AF rectification and remote burnt AF in fixed position carries out correct, is suitable to camera module A and carries out middle Jiao's rectification test and remote Jiao's rectification test.
Wherein, described second debugging frame 321 includes pair of sliding guide pillar 3211 and the pair of sliding guide rail 3212 relative to described slip guide pillar 3211, described rail plate 3212 is fixed on the both sides of described Test bench 11 symmetrically, described slip guide pillar 3211 is fixed on the top of described test cabinet by an outside framework, corresponding with the described rail plate 3212 of lower section, described second mark version 322 is vertically mounted between described slip guide pillar 3211 and described rail plate 3212.In other words, the length that the lateral separation between described second debugging frame 321 marks version 322 with described second is consistent, and the difference in height between described slip guide pillar 3211 and described rail plate 3212 is corresponding to the height of described second mark version 322.The fore-and-aft distance of described second debugging frame 321 be described second mark version 322 move freely distance.Wherein, actuating device 40 described in one is installed on the Test bench 11 between described rail plate 3212, described motor 41 is fixed on the front side of described Test bench 11, described Timing Belt 43 extends from described motor 41 to described module support equipment 20, by one second fastener 324, connect described second mark plate rack 323 and described Timing Belt 43, make described second mark plate rack 323 displacement along with the movement of described Timing Belt 43, for the distance regulated between described second mark version 322 and camera module A, carry out multifocal AF rectification.That is, for make test fixture 21 be at relative static conditions to carry out homologue from detection correct, the second bigger mark version 322 is moved freely, to adapt to the demand that different object distances detection is corrected by different module, increases the versatility of roll adjustment correction system 30.
In other words, described roll adjustment correction system 30 includes described Test bench 11；First mark version 312, described first marks version 312 is slidably connected to described Test bench 11, is slided into described nearly burnt position so that camera module A faces described first mark version 312 directly and carries out nearly burnt rectification test；Second mark version 322, described second mark version 322 marks version 312 relative to described first, it is slidably connected to described Test bench 11, slided into described middle burnt position and described remote burnt position, when described second mark version 322 slides into described middle burnt position, described first mark version 312 deviates camera module A, obtains so that camera module A faces described second mark version 322 directly and carries out middle burnt rectification test；And increment device 33, the laterally aligned described first mark version 312 of described increment device 33, it is able to mark version 312 one with described first slide, when described second mark version 322 slides into described remote burnt position, described increment device 33 slides between camera module A and the second mark version 322, make camera module A indirectly mark version 322 towards described second by described increment device 33, carry out remote burnt rectification test.
Described light supply apparatus 50 includes one first light source 51, and described first light source 51 is installed on described first mark version 312 dorsal part, comes from described first mark version 312 for providing light；And a secondary light source 52, described secondary light source 52 is installed on described second mark version 322 dorsal part, comes from described second mark version 322 for providing light.When described first mark version 312 moves from described longitudinal sliding motion frame 3112 to camera module A, described first light source 51 moves.
Described first light source 51 is able to integral type with described first mark version 312 and is connected or split type installation, described first light source 51 is able to along with described first mark version 312 moves together or maintains static, described secondary light source 52 is able to integral type with described second mark version 322 and is connected or split type installation, and described first light source 51 is able to along with described second mark version 322 moves together or maintains static.Wherein, in the present invention, described first light source 51 integral type is located at described first mark version 312 dorsal part, move along with the described first movement marking version 312, described secondary light source 52 is split type is located at described second mark version 322 dorsal part, is held in fixed position, does not mark version 322 with described second and move.
Wherein, described secondary light source 52 is installed on front side of described second debugging frame 321, extend straight up from described rail plate 3212, it is located at the back of described second mark version 322, when described second mark version 322 is moved to camera module A by described Timing Belt 43, described secondary light source 52 remains stationary as, and described first light source 51 and secondary light source 52 must think that described first mark version 312 and the second mark version 322 provide and can become many uniforms source of light.Wherein, described light supply apparatus 50 farther includes multiple photoswitch 53, described photoswitch 53 compartment of terrain is installed on described first debugging frame 311, for the brightness controlling described light supply apparatus 50, each light-source brightness can do, according to test light as requested, the mark version that corresponding adjustment is different with correspondence, thus, meet different characteristics product.
Wherein, it is consistent that described light supply apparatus 50 is maintained brightness when test, the rectification test of same light source correspondence diverse location is realized by the mode of software compensation, it is not necessary for catering to different tests and frequently dark bright light source or mobile light source position, effectively prevents light source from changing the asthenopia that employee is caused.In other words, described light supply apparatus 50 is corrected whole process in test at AF and is remained on, when carrying out nearly Jiao, middle Jiao, remote coke-like state, described first light source 51 and secondary light source 52 are all in described open mode, when described second mark version 322 moves according to testing requirement, described secondary light source 52 is maintained at initial position, maintains static.Along with the described second change marking version 322 and secondary light source 52 position, described secondary light source 52 changes through the brightness of described second mark version 322, but by the mode of software compensation, make the middle burnt of described second mark version 322 and remote burnt test by the impact of light source distance.Owing to the area of described first mark version 312 is less, easily regulate described first mark version 312 and the first light source 51, and described second mark version 322 area bigger, not easily the second mark version 322 and secondary light source 52 described in synchronizing moving, described secondary light source 52 is motionless to be advantageous in that, when underway burnt and remote Jiao tests, described secondary light source 52 need not move along with described second mark version 322, reduce the position control to described secondary light source 52, simultaneously also without dark bright light source continually.
What be respectively shown in such as Fig. 7 A, 7B, 7C is that the nearly burnt AF of camera module A corrects test, middle burnt AF corrects test and remote burnt AF corrects test.When camera module A corrects test, opening described light supply apparatus 50, meanwhile, camera module A turns to vertical position from horizontal level.
When described camera module carries out nearly burnt AF rectification test, described first mark version 312 slides laterally frame 3111 and is moved laterally to the dead ahead of described test fixture 21 described in passing through, camera module A marks version 312 directly facing described first, described first light source 51 provides light to come from described first mark version 312, version 312 moving forward and backward at described longitudinal sliding motion frame 3112 is marked by described first, regulated described first mark version 312 and arrived the near burnt position preset, carry out nearly burnt AF and correct test, data record and display is carried out by described monitoring system 12, wherein, described second mark version 322 is positioned at its initial position, adjoin described secondary light source 52.
When camera module A carries out middle burnt AF rectification test, the vertical position of camera module A remains unchanged, described second marks version 322 from described initial position along with the control of described actuating device 40, move to default middle burnt position, deviate the camera module A at described secondary light source 52 and close described test fixture 21 place, simultaneously, described first marks version 312 with increment device 33 along with Timing Belt 43 shifted laterally being connected, until camera module A is through the interval described first mark version 312 and increment device 33, face described second mark version 322 directly, described secondary light source 52 provides light to come from described second mark version 322, carry out middle burnt AF and correct test, by described monitoring system 12 compensation data, record and display.
When camera module A carries out remote burnt AF rectification, camera module A vertically remains unchanged, described second mark version 322 moves to default remote burnt position from described middle burnt position, deviation camera module A, simultaneously, described increment device 33 is moved laterally to the dead ahead of camera module A along with Timing Belt 43, described secondary light source 52 provides light to come from described second mark version 322, camera module A marks version 322 towards described second indirectly by described increment device 33, carry out remote burnt AF and correct test, by described monitoring system 12 compensation data, record and display.In other words, it adopts multiple spot to correct mode, near, in, remote diverse location carries out correcting test, improve the concordance of product, simultaneously, ensured that the AF carrying out multiple mark version position under the premise that camera module location A is constant corrects, make the AF of module correct precision more, effectively prevent module from affecting AF because of vibrations and correct.Described monitoring system 12 is controlled by the software of independent research, and described roll adjustment correction system 30 is able to adjust accordingly with the testing requirement of different modules, expands the use scope of apparatus for correcting so that equipment is simple to operation, and automaticity is high.
In other words, when the first mark version 312 of described roll adjustment correction system 30 slides into described nearly burnt position, camera module A faces the first mark version 312 directly and carries out nearly burnt rectification test；When the second mark version 322 of roll adjustment correction system 30 slides into described middle burnt position, camera module A faces the second mark version 322 directly and carries out middle burnt rectification test；When the second mark version 322 slides into described remote burnt position, camera module A marks version 322 by the increment device 33 of roll adjustment correction system 30 is indirect towards second, carries out far burnt rectification and tests.
The AF of a kind of camera module corrects method of testing, including step:
A () places camera module A to be measured on a test fixture 21；
B () starts described test fixture 21 and a roll adjustment correction system 30 is in a duty, when described test fixture 21 is in described duty, described test fixture 21 turns to a vertical position, towards described roll adjustment correction system 30, by described roll adjustment correction system 30 adjust homologue from, carry out multiple spot AF correct test；And
C described test fixture 21 is turned to one from described duty by an actuating device 40 and picks and places state by (), be able to the camera module A after a horizontal level takes out test.
Wherein, described step (b) farther includes step:
(b.1) by described actuating device 40, described test fixture 21 is turned to vertical position from described horizontal level, correct test for vertically carrying out AF；
(b.2) the one first of the described roll adjustment correction system 30 that slides marks the nearly burnt position of version 312 to, and for camera module A faces directly described first mark version 312, the nearly Jiao AF being suitable to camera module A corrects；
(b.3) burnt position in one second mark version 322 to of described roll adjustment correction system 30 of sliding, simultaneously, marking version 312 by lateral sliding by described first and deviate camera module A, face described second mark version 322 directly for camera module A, the middle burnt AF being suitable to camera module A corrects；And
(b.4) an increment device 33 of described roll adjustment correction system 30 is slided between described second mark version 322 and camera module A, simultaneously, slide the described second remote burnt position of mark version 322 to, indirectly marking version 322 towards described second for camera module A through described increment device 33, the remote burnt AF being suitable to camera module A corrects.
Wherein, described step (b) farther includes step (b.5): the roll adjustment with described roll adjustment correction system 30 that rotates being automatically controlled described test fixture 21 by a monitoring system 12 is operated, compensating test light source, meanwhile, described monitoring system 12 is able to the rectification test of the AF to camera module A and carries out data record and display.
Foregoing is enumerating of specific embodiments of the invention, for equipment and the structure of wherein not detailed description, it should be understood that for taking the existing common apparatus in this area and universal method to be practiced.
The above embodiment of the present invention is only the use that technical solution of the present invention is described simultaneously, is only enumerating of technical solution of the present invention, is not limited to technical scheme and protection domain thereof.Equivalent technologies means, equivalent apparatus etc. are adopted to be considered to be the improvement of the technical scheme disclosed in claims of the present invention and description without departing from the scope disclosed in claims of the present invention and description.
Claims (22)
1. the apparatus for correcting of a camera module, it is characterised in that including:
One corrects frame, and described rectification frame includes a Test bench；
One module support equipment, described module support equipment is fixed on described Test bench, for pivot joint camera module, camera module is made to keep a duty and to pick and place state, when in running order, described module support equipment is in a vertical position, when be in pick and place state time, described module support equipment is in a horizontal level；And
One roll adjustment correction system, described roll adjustment correction system is installed on described Test bench, towards described module support equipment, carries out multiple spot for camera module and corrects test, be favorably improved camera module and correct the concordance of test.
2. the apparatus for correcting of camera module as claimed in claim 1, described roll adjustment correction system includes one first debugging apparatus, the contiguous described module support equipment of described first debugging apparatus, is maintained a nearly coke-like state, and near burnt for camera module corrects test；One second debugging apparatus, described second debugging apparatus is slidably mounted on described Test bench, is maintained in one coke-like state relative to described module support equipment, and middle burnt for camera module corrects test；And an increment device, described increment device is located between described module support equipment and described second debugging apparatus, by the relative position adjustment of described increment device Yu described second debugging apparatus, being maintained a remote coke-like state, remote burnt for camera module corrects test.
3. the apparatus for correcting of camera module as claimed in claim 2, described rectification frame farther includes a monitoring system, for controlling and display device test information；And support described Test bench and an outer frame of described monitoring system, in described outer frame, there is a test cabinet, described module support equipment and described roll adjustment correction system are installed.
4. the apparatus for correcting of camera module as claimed in claim 3, described camera module apparatus for correcting farther includes multiple actuating device, described actuating device is respectively arranged in described module support equipment and described roll adjustment correction system, is controlled the rotation of described module support equipment and the roll adjustment operation of described roll adjustment correction system.
5. the apparatus for correcting of camera module as claimed in claim 4, described camera module apparatus for correcting farther includes a light supply apparatus, and described light supply apparatus is installed in described test cabinet, for the rectification test providing light to come from described roll adjustment correction system.
6. the apparatus for correcting of the arbitrary camera module as described in claim 2 or 5, described first debugging apparatus includes one first debugging frame, and described first debugging frame is horizontally installed on described Test bench, contiguous described module support equipment；And one first mark version, described first mark version is slidably mounted on described first debugging frame, is operated by roll adjustment, is slided into a nearly burnt position so that described first debugging apparatus is in described nearly coke-like state.
7. the apparatus for correcting of camera module as claimed in claim 6, described first debugging frame includes one and slides laterally frame, the described frame that slides laterally is horizontally installed in described first debugging frame, slid laterally by described actuating device, wherein, described first mark version and described increment device compartment of terrain slide laterally frame both sides described in being installed on, and are able to slide laterally with the described frame that slides laterally.
8. the apparatus for correcting of camera module as claimed in claim 7, described first debugging frame farther includes a longitudinal sliding motion frame, described longitudinal sliding motion frame extends back from the described frame that slides laterally, for vertically moving described first mark version, regulate the distance between camera module and described first mark version, the near burnt position required to meet the closely burnt test of different camera modules.
9. the apparatus for correcting of camera module as claimed in claim 8, what described increment device was selected is at least one teleconverter, for assisting remote Jiao to correct test, by adopting combinative structure, is able to carry out organizing general installation according to different modules more.
10. the apparatus for correcting of camera module as claimed in claim 9, described second debugging apparatus includes one second debugging frame, and described second debugging frame extends forward from described first debugging frame both sides symmetrically；And one second mark version, described second mark version slidably engages described second debugging frame, obtain so that described second mark version moves to camera module, arrive far burnt position, burnt position and in default one, be suitable to camera module and carry out middle burnt rectification test and remote burnt rectification test.
11. the apparatus for correcting of camera module as claimed in claim 10, described light supply apparatus includes one first light source, and described first light source is installed on described first mark version dorsal part, comes from described first mark version for providing light；And a secondary light source, described secondary light source is installed on the dorsal part of described second mark version, comes from described second mark version for providing light.
12. the apparatus for correcting of camera module as claimed in claim 11, described test fixture farther includes a keyset and a sealing groove part, described keyset connects earthing mode by socket and is installed on described test fixture, for a connector connecting camera module, described sealing groove part adjoins described keyset, it is rotatably installed on described test fixture, for fixing camera module in described test fixture.
13. a roll adjustment correction system, the AF for pick-up lens corrects test, it is characterised in that including:
One Test bench；
One first mark version, described first mark version is slidably connected to described Test bench, is slided into a closely burnt position so that camera module is faced described first mark version directly and carried out nearly burnt rectification test；
One second mark version, described second mark version marks version relative to described first, it is slidably connected to described Test bench, slided into burnt position and a remote burnt position in one, when described second mark version slides into described middle burnt position, described first marks version deviation camera module, obtains so that camera module is faced described second mark version directly and carried out middle burnt rectification test；And
One increment device, the described first mark version of described increment device lateral alignment, it is able to mark version one with described first slide, when described second mark version slides into described remote burnt position, described increment device slides between camera module and the second mark version, make camera module indirectly mark version towards described second by described increment device, carry out remote burnt rectification and test.
14. roll adjustment correction system as claimed in claim 13, it farther includes one first debugging frame, described first debugging frame is horizontally installed on described Test bench, for installing described first mark version and increment device, wherein, described first debugging frame includes one and slides laterally frame, described first mark version and increment device compartment of terrain be installed on described in slide laterally frame both sides, be able to slide laterally with the described frame that slides laterally.
15. roll adjustment correction system as claimed in claim 14, described first debugging frame farther includes a longitudinal sliding motion frame, described longitudinal sliding motion frame vertically extends to camera module from the described frame that slides laterally, carry out front and back for described first mark version to vertically move, regulate the distance between camera module and described first mark version, the near burnt position required to meet the closely burnt test of different camera modules.
16. roll adjustment correction system as claimed in claim 15, it farther includes one second debugging frame, described second debugging frame extends forward from described first debugging frame both sides symmetrically, obtain so that described second mark version vertically moves to camera module, arrive the described middle burnt position preset and described remote burnt position, be suitable to camera module and carry out middle burnt correcting test and burnt correcting test with remote.
17. the roll adjustment correction system as described in claim 13 or 16, described roll adjustment correction system farther includes multiple actuating device, described actuating device connects described first mark version and the second mark version respectively, for the longitudinal register automatically controlling the described first mark version located lateral with increment device and the second mark version.
18. roll adjustment correction system as claimed in claim 17, described roll adjustment correction system farther includes a light supply apparatus, described light supply apparatus includes one first light source, described first light source integral type or split type be located at described first mark version dorsal part, comes from described first mark version for providing light；And a secondary light source, described secondary light source integral type or the split type dorsal part being located at described second mark version, come from described second mark version for providing light.
19. roll adjustment correction system as claimed in claim 18, described first light source is integral type with described first mark version, making described first light source mark version synchronizing moving with described first, described secondary light source is split type with described second mark version so that described secondary light source is not marked version with described second and moved.
20. the AF of a camera module corrects method of testing, it is characterised in that include step:
A () places camera module to be measured on a test fixture；
B () starts described test fixture and a roll adjustment correction system is in a duty, when described test fixture is in described duty, described test fixture turns to a vertical position, towards described roll adjustment correction system, by described roll adjustment correction system adjust homologue from, carry out multiple spot AF correct test；And
C described test fixture is turned to one from described duty by an actuating device and picks and places state by (), be able to the camera module after a horizontal level takes out test.
21. the AF of camera module as claimed in claim 20 corrects method of testing, described step (b) farther includes step:
(b.1) by described actuating device, described test fixture is turned to vertical position from described horizontal level, correct test for vertically carrying out AF；
(b.2) the one first of the described roll adjustment correction system that slides marks version to a nearly burnt position, and for camera module is faced directly described first mark version, the nearly Jiao AF being suitable to camera module corrects；
(b.3) slide one second mark version of described roll adjustment correction system to position burnt in, meanwhile, by lateral sliding will described first mark version deviation camera module, face described second mark version directly for camera module, be suitable to the middle burnt AF rectification of camera module；And
(b.4) the increment device of described roll adjustment correction system of sliding is marked between version and camera module to described second, simultaneously, described second mark version of sliding is to a remote burnt position, indirectly marking version towards described second for camera module through described increment device, the remote burnt AF being suitable to camera module corrects.
22. the AF of camera module as claimed in claim 21 corrects method of testing, described step (b) farther includes step (b.5): the roll adjustment with described roll adjustment correction system that rotates being automatically controlled described test fixture by a monitoring system is operated, compensating test light source, meanwhile, described monitoring service system is able to the rectification test of the AF to camera module and carries out data record and display.
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