CN104266822A - Test method, test system and test device of micro camera module - Google Patents
Test method, test system and test device of micro camera module Download PDFInfo
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- CN104266822A CN104266822A CN201410522984.XA CN201410522984A CN104266822A CN 104266822 A CN104266822 A CN 104266822A CN 201410522984 A CN201410522984 A CN 201410522984A CN 104266822 A CN104266822 A CN 104266822A
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Abstract
The invention discloses a test method, test system and test device of a micro camera module. The test method comprises the steps that a CCM to be tested is subjected to a focusing test so that focusing test data can be obtained, and whether the focusing test of the CCM to be tested is qualified is judged according to the focusing test data; a judgment result of the focusing test of the CCM to be tested and a serial number of a sensor of the CCM to be tested are correspondingly stored in a test database; when the judgment result of the focusing test is qualified, the CCM to be tested is subjected to OPT programming to obtain OTP programming data; whether the OTP programming of the CCM to be tested is qualified is judged according to the OTP programming data; the judgment result of the OTP programming of the CCM to be tested and the serial number of the sensor are correspondingly stored in the test database; when the judgment result of the OTP programming is qualified, it is determined that detection of the CCM to be tested is qualified. The testing process of the technical scheme is simple, and testing efficiency is improved.
Description
Technical field
The present invention relates to camera preparing technical field, more particularly, relate to a kind of method of testing of minisize pick-up head module and test macro and proving installation.
Background technology
In recent years, along with the development of multimedia technology, the range of application of CCM (Compact Camera Module, minisize pick-up head module) is more and more wider, is widely used in mobile phone, computer, the first-class electronic product of miniature video camera.
Be the structural representation of CCM with reference to figure 1, Fig. 1, CCM comprises: control mainboard 1, voice coil motor 2 (VCM, Voice Coil Motor) and camera lens 3.Wherein, described control mainboard 1 comprises: the inductor with internal storage.CCM needs to carry out focusing test and OTP burning test.
Traditional CCM test mode by pasting the storage that Quick Response Code realizes corresponding test result on CCM to be tested.Carry out focusing test and OTP burning test just needs all to adopt barcode scanning device to carry out the typing of 2 D code information like this, cause test process complicated.
Summary of the invention
For solving the problem, the invention provides a kind of method of testing of minisize pick-up head module and test macro and proving installation, to simplify CCM test process.
The invention provides a kind of method of testing of minisize pick-up head module, described method of testing comprises:
Control focusing test device and focusing test is carried out, to obtain focusing test data to CCM to be tested;
Judge whether the focusing test of described CCM to be tested is qualified according to described focusing test data;
By the focusing of described CCM to be tested test, judged result is corresponding with the inductor sequence number of described CCM to be tested is kept at test database;
When the focusing test judged result of described CCM to be tested is qualified, control OPT burning device carries out OPT burning to described CCM to be tested, to obtain OTP burning data;
Judge that whether the OTP burning of described CCM to be tested is qualified according to described OTP burning data;
Described test database is kept at by corresponding with described inductor sequence number for the OTP burning judged result of described CCM to be tested;
When the OTP burning judged result of described CCM to be tested is qualified, determine that described CCM to be tested detects qualified.
Preferably, in above-mentioned method of testing, also comprise: when the focusing test judged result of described CCM to be tested is defective, stop the test to described CCM to be tested, and export focusing test failure signal.
Preferably, in above-mentioned method of testing, also comprise: when the OTP burning judged result of described CCM to be tested is defective, stop the test to described CCM to be tested, and export the defective signal of OTP burning.
Preferably, in above-mentioned method of testing, also comprise: qualified CCM to be tested is detected to judgement and rechecks; Described reinspection comprises:
Obtain the inductor sequence number of described CCM to be tested;
Focusing test judged result corresponding to described inductor sequence number and OTP burning judged result is searched in described test database;
When judged result is tested in the focusing that described inductor sequence number is corresponding and OTP burning judged result is qualified, determine that described CCM to be tested rechecks qualified.
Present invention also offers a kind of test macro of minisize pick-up head module, this test macro comprises:
First acquiring unit, described first acquiring unit carries out focusing test, to obtain focusing test data for controlling focusing test device to CCM to be tested;
First judging unit, described first judging unit is used for judging whether the focusing test of described CCM to be tested is qualified according to described focusing test data;
First storage unit, described first storage unit is kept at test database for judged result is corresponding with the inductor sequence number of described CCM to be tested by the focusing of described CCM to be tested test;
Second acquisition unit, described second acquisition unit is used for when the focusing test judged result of described CCM to be tested is qualified, and control OPT burning device carries out OPT burning to described CCM to be tested, to obtain OTP burning data;
Second judging unit, described second judging unit is used for judging that whether the OTP burning of described CCM to be tested is qualified according to described OTP burning data;
Second storage unit, described second storage unit is used for being kept at described test database by corresponding with described inductor sequence number for the OTP burning judged result of described CCM to be tested;
Determining unit, described determining unit is used for when the OTP burning judged result of described CCM to be tested is qualified, determines that described CCM to be tested detects qualified.
Preferably, in above-mentioned test macro, also comprise: first stops unit;
Described first stops unit is used for, when the focusing test judged result of described CCM to be tested is defective, stops the test to described CCM to be tested, and exporting focusing test failure signal.
Preferably, in above-mentioned test macro, also comprise: second stops unit;
Described second stops unit is used for when the OTP burning judged result of described CCM to be tested is defective, stops the test to described CCM to be tested, and exports the defective signal of OTP burning.
Preferably, in above-mentioned test macro, also comprise: recheck unit; Described reinspection unit is used for detecting qualified CCM to be tested to judgement and rechecks; Described reinspection unit comprises:
For obtaining the 3rd acquiring unit of the inductor sequence number of described CCM to be tested;
For search in described test database described inductor sequence number corresponding focusing test judged result and OTP burning judged result search unit;
For when described inductor sequence number corresponding focusing test judged result and OTP burning judged result be qualified time, determine that described CCM to be tested rechecks the second qualified determining unit.
Present invention also offers a kind of proving installation of minisize pick-up head module, this proving installation comprises the test macro described in above-mentioned any one.
The method of testing of minisize pick-up head module of the present invention comprises: control focusing test device and carry out focusing test, to obtain focusing test data to CCM to be tested; Judge whether the focusing test of described CCM to be tested is qualified according to described focusing test data; By the focusing of described CCM to be tested test, judged result is corresponding with the inductor sequence number of described CCM to be tested is kept at test database; When the focusing test judged result of described CCM to be tested is qualified, control OPT burning device carries out OPT burning to described CCM to be tested, to obtain OTP burning data; Judge that whether the OTP burning of described CCM to be tested is qualified according to described OTP burning data; Described test database is kept at by corresponding with described inductor sequence number for the OTP burning judged result of described CCM to be tested; When the OTP burning judged result of described CCM to be tested is qualified, determine that described CCM to be tested detects qualified.
Described method of testing can realize carrying out focusing test and OTP burning test to CCM to be detected, using the inductor sequence number of camera module to be tested as number mark, in test process, when focusing test judged result and OTP burning judged result are stored, by described inductor sequence number and two judged result corresponding stored in test database, the storage to CCM test result to be tested can be realized.Quick Response Code is adopted to carry out the mode of corresponding data storage relative to prior art, without the need to adopting special Quick Response Code scanister, described inductor sequence number to obtain described CCM to be tested focusing test data and can obtain when obtaining described OTP burning data simultaneously, without the need to extra acquisition device and obtaining step, simplify the test process of CCM test.The test macro of described minisize pick-up head module, based on described method of testing, adopt described test macro can realize carrying out focusing test and OTP burning test to CCM to be detected, and test process is simple.The proving installation of described minisize pick-up head module comprises described test macro, therefore can realize carrying out focusing test and OTP burning test to CCM to be detected by described proving installation, and test process is simple.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of CCM;
The schematic flow sheet of the method for testing of a kind of CCM that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 for the embodiment of the present invention provide a kind of to determining the schematic flow sheet that the CCM of test passes rechecks;
The structural representation of the test macro of a kind of CCM that Fig. 4 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
When prior art carries out focusing method of testing to CCM, need at CCM Surface Mount Quick Response Code as mark, at focusing test phase, need to adopt Quick Response Code scanister to scan described Quick Response Code, by the focusing of CCM to be tested test, judged result is corresponding with described Quick Response Code preserves.In the OTP burning stage, need again to adopt Quick Response Code scanister to scan the Quick Response Code of described CCM to be tested, preserve the OTP burning judged result of described CCM to be tested and described Quick Response Code with correspondence.Visible, existing method of testing, needs the reading repeatedly carrying out Quick Response Code, and test process is complicated.And general needs manually by scanner, Quick Response Code scanning is carried out to described CCM to be tested, scan efficiency is low, cause the focusing of CCM test and OTP burning test job efficiency low.
For solving the problem, the embodiment of the present application provides the method for testing of a kind of CCM, it is characterized in that, comprising:
Step S11: control focusing test device and focusing test is carried out, to obtain focusing test data to CCM to be tested.
When focusing test being carried out to CCM to be tested by focus control, the control mainboard of described CCM to be tested is needed to be connected with described focus control, described focus control provides focusing test signal for described control mainboard, described control mainboard drives the voice coil motor of described CCM to be tested to rotate, to focus to the camera lens of described CCM under described focusing test signal.
Often carry out a lens focusing, described focus control all needs to carry out digital independent to described control mainboard, obtains the focusing data of described CCM to be tested.When obtaining described focusing data, described focus control can obtain the sequence number of the inductor of described control mainboard simultaneously.
Step S12: judge whether the focusing test of described CCM to be tested is qualified according to described focusing test data.
After obtaining described focusing test data, the data of itself and standard can be compared, if error is in allowed band, then can judge the focusing test passes of described CCM to be tested, otherwise defective.
In this step, if it is determined that the focusing test failure of described CCM to be tested, then stopping the test to described CCM to be tested, can also, by exporting focusing test failure signal, occurring defective to point out focusing test.Described focusing test failure signal can be auditory tone cues signal, also can be light cue.
Step S13: judged result is corresponding with the inductor sequence number of described CCM to be tested is kept at test database by the focusing of described CCM to be tested test.
After above-mentioned judgement completes, by above-mentioned focusing test, judged result is corresponding with the sequence number of the inductor of described CCM to be tested is kept in the test database of setting, so that the later stage inquires about.
Step S14: when the focusing test judged result of described CCM to be tested is qualified, control OPT burning device carries out OPT burning to described CCM to be tested, to obtain OTP burning data.
After described focusing test judged result is preserved with corresponding inductor sequence number, if the focusing of described CCM to be tested is tested and is judged as qualified, need that follow-up OTP burning is carried out to it and test.
When OPT burning test being carried out to described CCM to be tested by OTP burning device, the control mainboard of described CCM to be tested is needed to be connected with OTP burning device, the setting storage space that induce of described OTP burning device to described control mainboard carries out OTP burning, and high-ranking officers' parameter just in time stores son in the storage space of described setting.
After OPT burning completes, after burning completes, described OTP burning device needs to carry out digital independent to described control mainboard, to obtain the OTP burning data in described setting space.When reading described OTP burning data, described OTP burning device can obtain the inductor sequence number of described control mainboard simultaneously.
Step S15: judge that whether the OTP burning of described CCM to be tested is qualified according to described OTP burning data.
The OTP burning data of the CCM described to be tested obtained is compared with standard value, if error is in allowed band, then can judge the OTP burning test passes of described CCM to be tested, otherwise defective.
In this step, if it is determined that the OTP burning test failure of described CCM to be tested, then stopping the test to described CCM to be tested, can also, by exporting OTP burning test failure signal, occurring defective to point out OTP burning test.Described OTP burning test failure signal can be auditory tone cues signal, also can be light cue.
Step S16: be kept at described test database by corresponding with described inductor sequence number for the OTP burning judged result of described CCM to be tested.
After above-mentioned OTP burning has judged, corresponding to the OTP burning of described CCM to be tested judgement and corresponding inductor sequence number is kept at described test database, so that later stage inquiry.
Step S17: when the OTP burning judged result of described CCM to be tested is qualified, determines that described CCM to be tested detects qualified.
After completing above-mentioned test process, if the focusing test of a certain CCM to be tested and OTP burning test all judge qualified, then can determine that this CCM to be tested detects qualified.
After above-mentioned test process completes, preferably, described detection method also comprises: detect qualified CCM to be tested to judgement and recheck.
With reference to figure 3, Fig. 3 for the embodiment of the present invention provide a kind of to determining the schematic flow sheet that the CCM of test passes rechecks, described reinspection comprises:
Step S21: the inductor sequence number obtaining described CCM to be tested.
Directly can carry out digital independent to the control mainboard of described CCM to be tested by data fetch device, obtain the inductor sequence number of described CCM to be tested.
Step S22: search focusing test judged result corresponding to described inductor sequence number and OTP burning judged result in described test database.
When after the described inductor sequence number of acquisition, focusing test judged result corresponding to this inductor sequence number and OTP burning judged result directly can be searched in described test database.
Step S23: when judged result is tested in the focusing that described inductor sequence number is corresponding and OTP burning judged result is qualified, determines that described CCM to be tested rechecks qualified.
By described reinspection process, the focusing test judged result that causes due to misoperation or the underproof module to be tested of OTP burning judged result can be avoided to be qualified by flase drop, to ensure the accuracy of test.
The inductor sequence number of CCM is the representative digit sequence with uniqueness corresponding with CCM, described method of testing can realize carrying out focusing test and OTP burning test to CCM to be detected, using the inductor sequence number of camera module to be tested as number mark, in test process, when focusing test judged result and OTP burning judged result are stored, by described inductor sequence number and two judged result corresponding stored in test database, the storage to CCM test result to be tested can be realized.Quick Response Code is adopted to carry out the mode of corresponding data storage relative to prior art, without the need to adopting special Quick Response Code scanister, described inductor sequence number to obtain described CCM to be tested focusing test data and can obtain when obtaining described OTP burning data simultaneously, without the need to extra acquisition device and obtaining step, simplify the test process of CCM test, improve data reading performance using redundancy, and then improve testing efficiency.
Based on above-mentioned method of testing embodiment, another embodiment of the present invention additionally provides the test macro of a kind of CCM, with reference to figure 4, the structural representation of the test macro of a kind of CCM that Fig. 4 provides for the embodiment of the present invention, described test macro comprises: the first acquiring unit 41, first judging unit 42, first storage unit 43, second acquisition unit 44, second judging unit 45, second storage unit 46 and determining unit 47.
Described first acquiring unit 41 carries out focusing test, to obtain focusing test data for controlling focusing test device to CCM to be tested.Described first acquiring unit 41 reads the inductor sequence number of described CCM to be tested while reading described focusing test data.
Described first judging unit 42 is connected with described first acquiring unit 41, and whether described first judging unit 42 is qualified for judging the focusing test of described CCM to be tested according to described focusing test data.
Described first storage unit 43 is connected with described first judging unit 42, and described first storage unit 43 is kept at test database for judged result is corresponding with the inductor sequence number of described CCM to be tested by the focusing of described CCM to be tested test.
Described second acquisition unit 44 is connected with described first judging unit 42, described second acquisition unit 44 is for when the focusing test judged result of described CCM to be tested is qualified, control OPT burning device carries out OPT burning to described CCM to be tested, to obtain OTP burning data.
Described second judging unit 45 is connected with described second acquisition unit 44, according to described OTP burning data, described second judging unit 45 is for judging that whether the OTP burning of described CCM to be tested is qualified.
Described and described second judging unit 45 is connected, and described second storage unit 46 is for being kept at described test database by corresponding with described inductor sequence number for the OTP burning judged result of described CCM to be tested.
Described determining unit 47 and described second storage unit 46, described determining unit 47, for when the OTP burning judged result of described CCM to be tested is qualified, determines that described CCM to be tested detects qualified.
Described in the present embodiment, test macro also comprises: first stops unit.Described first stops unit is arranged between described first judging unit 42 and described second acquisition unit 44.Described first stops unit is used for, when the focusing test judged result of described CCM to be tested is defective, stops the test to described CCM to be tested, and exporting focusing test failure signal.
Test process can be stopped when described CCM to be tested focuses test failure by arranging described first termination unit, improving testing efficiency, carrying out defective prompting, so that sort out substandard product in time by described focusing test failure signal simultaneously.
Described in the present embodiment, test macro also comprises: second stops unit.Described second stops unit is arranged between described second judging unit 45 and described second storage unit 46.Described second stops unit is used for when the OTP burning judged result of described CCM to be tested is defective, stops the test to described CCM to be tested, and exports the defective signal of OTP burning.
Test can be stopped when the OPT burning test department of described CCM to be tested is qualified by arranging described second termination unit, improving testing efficiency, carrying out defective prompting, so that sort out substandard product in time by the defective signal of described OTP burning simultaneously.
The principle of work of described test macro see the method for testing described in above-described embodiment, can not repeat them here.
Test macro described in the present embodiment, based on method of testing described in above-described embodiment, so adopt described test macro can realize carrying out focusing test and OTP burning test to CCM to be detected, and test process is simple, and testing efficiency is high.
The embodiment of the present invention additionally provides a kind of proving installation of minisize pick-up head module, and described proving installation comprises: focusing test platform, OTP test platform and the test macro described in above-described embodiment.Wherein, described focusing test platform comprises focusing test device, for carrying out focusing test to CCM; Described OTP test platform comprises OTP burning device, for carrying out OTP burning test to CCM.
The proving installation of described minisize pick-up head module comprises described test macro, therefore can realize carrying out focusing test and OTP burning test to CCM to be detected by described proving installation, and test process is simple.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a method of testing for minisize pick-up head module, is characterized in that, comprising:
Control focusing test device and focusing test is carried out, to obtain focusing test data to CCM to be tested;
Judge whether the focusing test of described CCM to be tested is qualified according to described focusing test data;
By the focusing of described CCM to be tested test, judged result is corresponding with the inductor sequence number of described CCM to be tested is kept at test database;
When the focusing test judged result of described CCM to be tested is qualified, control OPT burning device carries out OPT burning to described CCM to be tested, to obtain OTP burning data;
Judge that whether the OTP burning of described CCM to be tested is qualified according to described OTP burning data;
Described test database is kept at by corresponding with described inductor sequence number for the OTP burning judged result of described CCM to be tested;
When the OTP burning judged result of described CCM to be tested is qualified, determine that described CCM to be tested detects qualified.
2. method of testing according to claim 1, is characterized in that, also comprises: when the focusing test judged result of described CCM to be tested is defective, stop the test to described CCM to be tested, and export focusing test failure signal.
3. method of testing according to claim 1, is characterized in that, also comprises: when the OTP burning judged result of described CCM to be tested is defective, stop the test to described CCM to be tested, and export the defective signal of OTP burning.
4. the method for testing according to any one of claim 1-3, is characterized in that, also comprises: detect qualified CCM to be tested to judgement and recheck; Described reinspection comprises:
Obtain the inductor sequence number of described CCM to be tested;
Focusing test judged result corresponding to described inductor sequence number and OTP burning judged result is searched in described test database;
When judged result is tested in the focusing that described inductor sequence number is corresponding and OTP burning judged result is qualified, determine that described CCM to be tested rechecks qualified.
5. a test macro for minisize pick-up head module, is characterized in that, comprising:
First acquiring unit, described first acquiring unit carries out focusing test, to obtain focusing test data for controlling focusing test device to CCM to be tested;
First judging unit, described first judging unit is used for judging whether the focusing test of described CCM to be tested is qualified according to described focusing test data;
First storage unit, described first storage unit is kept at test database for judged result is corresponding with the inductor sequence number of described CCM to be tested by the focusing of described CCM to be tested test;
Second acquisition unit, described second acquisition unit is used for when the focusing test judged result of described CCM to be tested is qualified, and control OPT burning device carries out OPT burning to described CCM to be tested, to obtain OTP burning data;
Second judging unit, described second judging unit is used for judging that whether the OTP burning of described CCM to be tested is qualified according to described OTP burning data;
Second storage unit, described second storage unit is used for being kept at described test database by corresponding with described inductor sequence number for the OTP burning judged result of described CCM to be tested;
Determining unit, described determining unit is used for when the OTP burning judged result of described CCM to be tested is qualified, determines that described CCM to be tested detects qualified.
6. test macro according to claim 5, is characterized in that, also comprises: first stops unit;
Described first stops unit is used for, when the focusing test judged result of described CCM to be tested is defective, stops the test to described CCM to be tested, and exporting focusing test failure signal.
7. test macro according to claim 5, is characterized in that, also comprises: second stops unit;
Described second stops unit is used for when the OTP burning judged result of described CCM to be tested is defective, stops the test to described CCM to be tested, and exports the defective signal of OTP burning.
8. the test macro according to any one of claim 5-7, is characterized in that, also comprises: recheck unit; Described reinspection unit is used for detecting qualified CCM to be tested to judgement and rechecks; Described reinspection unit comprises:
For obtaining the 3rd acquiring unit of the inductor sequence number of described CCM to be tested;
For search in described test database described inductor sequence number corresponding focusing test judged result and OTP burning judged result search unit;
For when described inductor sequence number corresponding focusing test judged result and OTP burning judged result be qualified time, determine that described CCM to be tested rechecks the second qualified determining unit.
9. a proving installation for minisize pick-up head module, is characterized in that, comprises the test macro as described in claim 5-7.
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| CN105516709A (en) * | 2015-11-23 | 2016-04-20 | 深圳市东盈讯达电子有限公司 | Three-position automatic detection device for camera module |
| CN105991986A (en) * | 2015-02-17 | 2016-10-05 | 百辰光电股份有限公司 | Camera module calibration method and camera module calibration system |
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| CN111458105A (en) * | 2020-04-21 | 2020-07-28 | 欧菲微电子技术有限公司 | Method, device and equipment for testing optical module |
| CN113784111A (en) * | 2021-07-06 | 2021-12-10 | 横店集团东磁有限公司 | Data burning and detecting method for camera module |
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