CN205071159U - Half automatic focusing test system of camera module - Google Patents
Half automatic focusing test system of camera module Download PDFInfo
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- CN205071159U CN205071159U CN201520760072.6U CN201520760072U CN205071159U CN 205071159 U CN205071159 U CN 205071159U CN 201520760072 U CN201520760072 U CN 201520760072U CN 205071159 U CN205071159 U CN 205071159U
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- automatic focusing
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Abstract
The utility model provides a half automatic focusing test system of camera module, including the image acquisition integrated circuit board, the main control module, display module, host computer, motor control module, motor driver module, motor, support frame, increase apart from mirror and light source, await measuring the camera module with the image acquisition integrated circuit board is connected, image acquisition integrated circuit board, display module are connected with the main control module respectively, the host computer passes through the main control module and is connected with motor control module, motor control module and motor driver module are connected, motor driver module is connected with the motor, the motor is connected with the support frame, increase and fix on the support frame respectively apart from mirror, light source. Adopt the technical scheme of the utility model, simple easy operation has realized that partial -automatic control carries out the centering position, guarantees the uniformity of shipment product, has reduced staff's intensity of labour, greatly reduced test time, convenient operation has improved production efficiency and rate of accuracy.
Description
Technical field
The utility model relates to camera technical field, particularly relates to a kind of camera module semi-automatic focusing test macro.
Background technology
Produce in focusing processing procedure at camera module, usually can use following three parts: IMAQ board, teleconverter and small light source; Wherein, IMAQ board primary responsibility drives camera module to be measured, makes its normal output image data; Teleconverter, simulate actual focusing from, cell phone type high pixel product actual requirement focussing distance, between 3-8 rice, is simulated actual focussing distance by teleconverter, significantly can be reduced the space shared by tester table; Small light source is used for blank test event, detects image and whether there is booty etc.
At present in production test procedure, these three parts all independently separate, testing process is: module to be measured is first assembled to IMAQ board by operating personnel, manually push away IMAQ board to teleconverter lower surface, camera LEN and teleconverter lower surface is made to keep 2cm spacing, under more whole test fixture being moved to small light source panel after focusing test event completes, carry out dirty test.There are the following problems for this testing process: by employee's push to test fixture, (1) cannot ensure that camera light hole centre bit is consistent with the centre bit of teleconverter, easily causes and run Jiao, cause final shipment homogeneity of product poor; (2) employee promotes camera test holding fixture for a long time, easily causes fatigue, reduces production efficiency; (3) owing to manually promoting fixture, can not disposable centring position, the imaging region of host computer interface can be made can not to show whole test pattern, and this needs cost certain hour to adjust, and reduces production efficiency; (4) Product Assembly position, focusing test zone and dirty test zone be not at same level axle, and become triangular shape, the movement locus of test fixture does not meet employee's operating habit, time-consuming and inconvenient operation.
Utility model content
For above technical problem, the utility model provides a kind of camera module semi-automatic focusing test macro, and solve homogeneity of product poor, production efficiency is low, time-consuming and problems such as inconvenient operation.
To this, the technical solution of the utility model is:
A kind of camera module semi-automatic focusing test macro, comprise IMAQ board, main control module, display module, host computer, motor control module, motor drive module, motor, bracing frame, teleconverter and light source, camera module to be measured and described image acquisition board link and connect, described IMAQ board, display module is connected with main control module respectively, described host computer is connected with motor control module by main control module, described motor control module is connected with motor drive module, described motor drive module is connected with motor, described motor is connected with bracing frame, described teleconverter, light source is separately fixed on bracing frame.
In technique scheme, described host computer is built with testing software, described host computer sends a signal to motor control module by main control module, and described motor control module produces the drive singal of motor to motor drive module, and described drive singal mainly comprises direction signal and pulse signal; Wherein direction signal is the signal controlling motor direction of rotation, and pulse signal is control the angle of motor rotation and the signal of speed.Described motor drive module, after the direction signal receiving motor control module and pulse signal, produce stronger driving force, drive motors rotates according to direction signal and pulse signal.Described motor, drives the disjunctor of bracing frame and the teleconverter be fixed on support and small light source to rotate; Preferably, described motor is stepping motor.Described IMAQ board is connected with main control module, carries out initialization camera module to be measured, makes it normally export camera image data.In addition, host computer receives view data, finally on display module, shows image frame by control module.
As further improvement of the utility model, described motor control module comprises motor control chip, and the model of described motor control chip is STC89C52.
As further improvement of the utility model, described motor control module is connected with main control module by USB data line, and described host computer is connected with main control module by serial ports.
Adopt technique scheme, host computer sends rotate instruction by serial ports to motor control module, after motor control module receives instruction, sends specific direction signal and pulse signal to motor drive module; Host computer and motor control module set up serial communication, adopt transmission significance bit 8bit, baud rate 9600bit/s; Host computer uninterruptedly monitors its input, and after capturing appointment message, host computer sends the instruction of the pulse signal of specific direction, characteristic frequency and specific quantity to motor control module.Motor control module receives host computer to the right after rotate instruction, and the level of direction signal pin is drawn high, and produces frequency 2000Hz, the signal that number of pulses is 600, the anglec of rotation 60 degree simultaneously; Motor control module receives host computer left after rotate instruction, and the level of direction signal pin drags down, and produces frequency 2000Hz, the signal that number of pulses is 600, the anglec of rotation 60 degree simultaneously; Make cam lens LEN centre bit to be tested accurately aim at the centre bit of teleconverter for convenience, system provides the slow clock signal of the 200Hz of right direction left, and the input of host computer is provided with scram button simultaneously, stops for anxious.
As further improvement of the utility model, described host computer is provided with input through keyboard end.Adopt this technical scheme, host computer uninterruptedly monitors Keyboard Message, and after capturing numerical key appointment message, host computer sends specific direction to controller, characteristic frequency, and the instruction of the pulse signal of specific quantity.
As further improvement of the utility model, described camera module semi-automatic focusing test macro also comprises workbench, and described workbench is provided with vertical slide rail, and described vertical slide rail is provided with test fixture, and described camera module to be measured is connected with test fixture.
As further improvement of the utility model, described camera module semi-automatic focusing test macro also comprises workbench, and described workbench is provided with horizontal slide rail, and described horizontal slide rail is provided with test fixture, and described camera module to be measured is connected with test fixture.
As further improvement of the utility model, described camera module semi-automatic focusing test macro also comprises workbench, described workbench is provided with interconnective horizontal slide rail and vertical slide rail, described horizontal slide rail or vertical slide rail are provided with test fixture, and described camera module to be measured is connected with test fixture.
As further improvement of the utility model, described teleconverter and light source form an angle in the horizontal direction, and preferably, the horizontal sextant angle of described teleconverter and light source is 30 ~ 70 degree; Preferred further, the horizontal sextant angle of described teleconverter and light source is 60 degree.
Adopt this technical scheme, camera test holding fixture can be locked in horizontal slide rail or vertical slide rail, be convenient to be fixed operation, whole test process only need in the vertical direction or horizontal direction along slide rail mobile test fixture.
Compared with prior art, the beneficial effects of the utility model are:
The first, adopt the technical solution of the utility model, whole test process is simple to operation, the more important thing is and can ensure that camera LEN centre bit is aimed at the centre bit of teleconverter, prevents from running Jiao, the final consistency ensureing shipment product.
The second, adopt the technical solution of the utility model, achieve partial-automatic control and carry out centring position, reduce the labour intensity of employee, greatly reduce the testing time, easy to operate, improve production efficiency and accuracy rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing, preferably embodiment of the present utility model is described in further detail.
As shown in Figure 1, a kind of camera module semi-automatic focusing test macro, comprise IMAQ board, main control module, display, host computer, controller STC89C52, stepper motor driver, stepping motor, bracing frame, teleconverter and small light source, camera module to be measured and described image acquisition board link and connect, described IMAQ board, display module is connected with main control module respectively, described host computer is connected with motor control module by main control module, described motor control module is connected with motor drive module, described motor drive module is connected with stepping motor, described stepping motor is connected with bracing frame, described teleconverter, small light source is separately fixed on bracing frame, described controller STC89C52 is motor control module, and described main control module is host computer.
Described motor control module is connected with main control module by USB data line, and described host computer is connected with main control module by serial ports.Described host computer is provided with input through keyboard end.
Described camera module semi-automatic focusing test macro also comprises workbench, and described workbench is provided with interconnective horizontal slide rail and vertical slide rail, and described horizontal slide rail is provided with test fixture, and described camera module to be measured is connected with test fixture.Horizontal direction be fixed, whole test process only needs mobile test fixture in the vertical direction.
When carrying out camera module focusing test, teleconverter becomes to fix 60 degree with small light source angle, before test, camera module to be measured is assembled to camera collection board, the adjustment position of test fixture on X, Y-direction horizontal guide rail, camera LEN centre bit is aimed at the centre bit of teleconverter, guarantees that the upper surface of camera lens keeps 2cm distance, after having aimed to the lower surface of teleconverter simultaneously, fixing X-direction guide rail, makes whole analog input card move in the Y direction, when behind ' 0 ' of pressing numerical key at input through keyboard end, host computer sends test starting command, IMAQ board powers on, initialization camera module to be measured, make its normal output image data, host computer is responsible for the view data that reception IMAQ board is uploaded simultaneously, and display over the display, after focusing test event is completed, ' 3 ' of pressing the numerical key of input through keyboard end, host computer is sent to right rotation 60 degree of instructions to controller STC89C52 by serial ports, dirty test event is switched to after time delay 500 milliseconds, time delay object makes image stabilization, when controller receives to the right after rotate instruction, direction signal is in the state of drawing high, host computer is 2000Hz to stepper motor driver transmission frequency simultaneously, number of pulses is the instruction of the signal of 600, drive motors rotates, the teleconverter that project of now focusing uses has moved to the position, 60 degree of angles, right of module to be measured, after dirty project testing is complete, ' 0 ' of pressing keypad digit key, host computer is sent to anticlockwise 60 degree of instructions to controller STC89C52 by serial ports, stop image data transmission simultaneously, when controller STC89C52 receives left after rotate instruction, the level of direction signal pin is in the state of dragging down, be 2000Hz with Time Controller STC89C52 to stepper motor driver transmission frequency, number of pulses is the signal of 600, drive motors rotates, the small light source that now dirty test event uses has moved to the position, 60 degree of angles, left of module to be measured, the teleconverter tested of simultaneously focusing moves to Initialization Center position state too, next round is facilitated to test.
After taking turns be completed when one, only IMAQ board need be shifted out along Y-direction, change camera module, then camera collection board be moved into the initial position starting most to regulate along Y-direction, enter next round and test.
Whole test process is simple to operation, the more important thing is and can ensure that camera LEN centre bit is aimed at the centre bit of teleconverter, prevents from running Jiao, the final consistency ensureing shipment product; Also can promote production test efficiency simultaneously.
The embodiment of the above is better embodiment of the present utility model; not limit concrete practical range of the present utility model with this; scope of the present utility model comprises and is not limited to this embodiment, and the equivalence change that all shapes according to the utility model, structure are done is all in protection range of the present utility model.
Claims (9)
1. a camera module semi-automatic focusing test macro, it is characterized in that: comprise IMAQ board, main control module, display module, host computer, motor control module, motor drive module, motor, bracing frame, teleconverter and light source, camera module to be measured and described image acquisition board link and connect, described IMAQ board, display module is connected with main control module respectively, described host computer is connected with motor control module by main control module, described motor control module is connected with motor drive module, described motor drive module is connected with motor, described motor is connected with bracing frame, described teleconverter, light source is separately fixed on bracing frame.
2. camera module semi-automatic focusing test macro according to claim 1, is characterized in that: described motor control module comprises motor control chip, and the model of described motor control chip is STC89C52.
3. camera module semi-automatic focusing test macro according to claim 1, it is characterized in that: described motor control module is connected with main control module by USB data line, described host computer is connected with main control module by serial ports.
4. camera module semi-automatic focusing test macro according to claim 1, is characterized in that: described host computer is provided with input through keyboard end.
5. camera module semi-automatic focusing test macro according to claim 4, it is characterized in that: described camera module semi-automatic focusing test macro also comprises workbench, described workbench is provided with vertical slide rail, described vertical slide rail is provided with test fixture, and described test fixture is connected with camera module to be measured.
6. camera module semi-automatic focusing test macro according to claim 4, it is characterized in that: described camera module semi-automatic focusing test macro also comprises workbench, described workbench is provided with horizontal slide rail, described horizontal slide rail is provided with test fixture, and described test fixture is connected with camera module to be measured.
7. camera module semi-automatic focusing test macro according to claim 4, it is characterized in that: described camera module semi-automatic focusing test macro also comprises workbench, described workbench is provided with interconnective horizontal slide rail and vertical slide rail, described horizontal slide rail or vertical slide rail are provided with test fixture, and described test fixture is connected with camera module to be measured.
8. the camera module semi-automatic focusing test macro according to claim 5 ~ 7 any one, is characterized in that: the horizontal sextant angle of described teleconverter and light source is 30 ~ 70 degree.
9. camera module semi-automatic focusing test macro according to claim 8, is characterized in that: the horizontal sextant angle of described teleconverter and light source is 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520760072.6U CN205071159U (en) | 2015-09-28 | 2015-09-28 | Half automatic focusing test system of camera module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520760072.6U CN205071159U (en) | 2015-09-28 | 2015-09-28 | Half automatic focusing test system of camera module |
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| CN205071159U true CN205071159U (en) | 2016-03-02 |
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| CN201520760072.6U Expired - Fee Related CN205071159U (en) | 2015-09-28 | 2015-09-28 | Half automatic focusing test system of camera module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060532A (en) * | 2016-05-26 | 2016-10-26 | 信利光电股份有限公司 | Detection platform |
| CN112880983A (en) * | 2021-02-23 | 2021-06-01 | 北京宏大天成防务装备科技有限公司 | Night vision glasses testing arrangement |
| CN113670584A (en) * | 2021-09-07 | 2021-11-19 | 横店集团东磁有限公司 | Camera module multi-posture testing device and implementation method thereof |
-
2015
- 2015-09-28 CN CN201520760072.6U patent/CN205071159U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106060532A (en) * | 2016-05-26 | 2016-10-26 | 信利光电股份有限公司 | Detection platform |
| CN106060532B (en) * | 2016-05-26 | 2018-07-24 | 信利光电股份有限公司 | A kind of detection platform |
| CN112880983A (en) * | 2021-02-23 | 2021-06-01 | 北京宏大天成防务装备科技有限公司 | Night vision glasses testing arrangement |
| CN113670584A (en) * | 2021-09-07 | 2021-11-19 | 横店集团东磁有限公司 | Camera module multi-posture testing device and implementation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 Termination date: 20160928 |