CN205408062U - Module detection device makes a video recording - Google Patents
Module detection device makes a video recording Download PDFInfo
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- CN205408062U CN205408062U CN201620132899.7U CN201620132899U CN205408062U CN 205408062 U CN205408062 U CN 205408062U CN 201620132899 U CN201620132899 U CN 201620132899U CN 205408062 U CN205408062 U CN 205408062U
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- camera module
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- detection panel
- slide unit
- gripper shoe
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- 238000001514 detection method Methods 0.000 title claims abstract description 78
- 238000012360 testing method Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000004458 analytical method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 description 3
- 238000013100 final test Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
Abstract
The utility model provides a module detection device makes a video recording wherein, detects the panel and can follow await measuring and make a video recording the axis direction of module and remove, make await measuring make a video recording the module with it is under a plurality of default distance of detection panel, right the resolution chart that detects on the panel looks like to shoot, and the shooting result that obtains is shot to the module that obtains making a video recording under a plurality of default distance to can carry out definition change trend analysis to shooing the result under a plurality of default distance, confirm to make a video recording the inclination error of module and the concrete position that produces the inclination error. The utility model discloses a detection device detects the module of making a video recording, only carries out detection and analysis through gathering the image, need not to disassemble the measurement to the module of making a video recording, and the testing process is simple quick, and detects the precision height, can be adapted to the module production technology of making a video recording of little volume.
Description
Technical field
The application designs optical camera field tests, particularly relates to a kind of camera module detecting device.
Background technology
Along with the development of science and technology, picture pick-up device is more and more applied in the middle of work and the daily life of people, and work and daily life for people bring huge facility.
Under the trend that the intelligent mobile terminal such as mobile phone and flat board is increasingly lighter, the volume of the camera module being arranged on these intelligent mobile terminals also does less and less.But, the camera module that volume is more little is more high to the requirement of its structural parameters.Such as, for camera module in i Phone, it is uneven that gradient (tilt) error of several microns can cause that the image quality of camera module resolves power so that camera module imaging is unintelligible.
In the production process of camera module, when finding that camera module imaging is unintelligible, camera module can be disassembled, measured by tool microscope, determine whether camera module has gradient error, and determine the particular location producing gradient error, the production for follow-up camera module provides reference.
But, this kind of detection method time and effort consuming, and precision is not high, it is impossible to adapt to the camera module production technology of small size.
Utility model content
In view of this, this utility model provides a kind of camera module detecting device, and detection process is simple and quick, and accuracy of detection is high, it is possible to be adapted to the camera module production technology of small size.
For achieving the above object, this utility model provides following technical scheme:
A kind of camera module detecting device, including: detection panel, gripper shoe and monitor station；
Described gripper shoe and described detection panel are relatively arranged on described monitor station；
Side relative with described detection panel in described gripper shoe is provided with camera module to be measured；
On described detection panel, the side relative with described gripper shoe arranges test image；
Described detection panel can move along the direction, axis of described camera module to be measured, so that described camera module to be measured with under multiple predeterminable ranges of described detection panel, test image on described detection panel is shot, and the shooting results obtained under multiple predeterminable ranges is for determining the gradient error of described camera module to be measured.
Preferably, also include:
Teleconverter, described teleconverter is fixed on described monitor station, between described gripper shoe and described image acquisition board.
Preferably, described gripper shoe is image acquisition board, and described image acquisition board electrically connects with described camera module to be measured, for gathering the shooting results of described camera module to be measured.
Preferably, described monitor station includes base plate, moveable platform, side plate and slide unit；
Described moveable platform is arranged at the upper surface of described base plate, and described moveable platform is fixing connects described gripper shoe, is used for driving described gripper shoe to move；
Described side plate is fixing connects described base plate, and described side plate is higher than described moveable platform；
Described slide unit is arranged on described side plate, and described slide unit is for driving described detection panel to move along the direction, axis of described camera module to be measured.
Preferably, described gripper shoe is provided with probe test frame, and described camera module to be measured fixed by described probe test frame, and electrically connects with described camera module to be measured.
Preferably, described detection panel also includes LED panel, and described LED panel is arranged at the back side of described test image.
Preferably, described teleconverter is fixed on described side plate, and the axis of described teleconverter overlaps with the axis of described camera module to be measured.
Preferably, described slide unit includes: the first slide unit, the second slide unit and servomotor；
Described first slide unit is fixed on described side plate, and is connected with described servo motor transmission；
Described second slide unit and described first slide unit are in transmission connection, and fixing with described detection panel are connected.
Preferably, described side plate is provided with scale.
Preferably, described first slide unit is rail plate, and described second slide unit is slide block.
Compared with prior art, technical scheme provided by the utility model has the advantage that
The camera module detecting device that this utility model provides, described detection panel can move along the direction, axis of described camera module to be measured, make described camera module to be measured with under multiple predeterminable ranges of described detection panel, test image on described detection panel is shot, obtain camera module under multiple predeterminable range and shoot the shooting results obtained, such that it is able to shooting results under multiple predeterminable ranges is carried out definition analysis of trend, it is determined that the gradient error of camera module and the particular location of generation gradient error.Detecting device of the present utility model detection camera module, only carries out detection by collection image and analyzes, it is not necessary to camera module is disassembled measurement, and detection process is simple and quick, and accuracy of detection is high, it is possible to be adapted to the camera module production technology of small size.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is the camera module detecting device structure chart of this utility model embodiment one.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
As stated in the Background Art, when camera module gradient error is detected by prior art, need camera module is disassembled, measured by tool microscope, determine whether camera module has gradient error, and determine the particular location producing gradient error, the production for follow-up camera module provides reference.This kind of detection method time and effort consuming, and precision is not high, it is impossible to adapt to the camera module production technology of small size.
The camera module detecting device that this utility model provides, including: detection panel, gripper shoe and monitor station；Described gripper shoe and described detection panel are relatively arranged on described monitor station；Side relative with described detection panel in described gripper shoe is provided with camera module to be measured；On described detection panel, the side relative with described gripper shoe arranges test image；Described detection panel can move along the direction, axis of described camera module to be measured, so that described camera module to be measured with under multiple predeterminable ranges of described detection panel, test image on described detection panel is shot, and the shooting results obtained under multiple predeterminable ranges is for determining the gradient error of described camera module to be measured.
The camera module detecting device that this utility model provides, described detection panel can move along the direction, axis of described camera module to be measured, make described camera module to be measured with under multiple predeterminable ranges of described detection panel, test image on described detection panel is shot, obtain camera module under multiple predeterminable range and shoot the shooting results obtained, such that it is able to shooting results under multiple predeterminable ranges is carried out parsing power analysis of trend, it is determined that the gradient error of camera module and the particular location of generation gradient error.Detecting device of the present utility model detection camera module, only carries out detection by collection image and analyzes, it is not necessary to camera module is disassembled measurement, and detection process is simple and quick, and accuracy of detection is high, it is possible to be adapted to the camera module production technology of small size.
It is above central idea of the present utility model, below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that, described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
Embodiment one
Present embodiments provide a kind of camera module detecting device, as it is shown in figure 1, include: detection panel 101, gripper shoe 102, teleconverter 103 and monitor station.
Described gripper shoe 102 is relatively arranged on described monitor station with described detection panel 101, concrete, and described gripper shoe is fixing with described detection panel is connected described monitor station.In other embodiments of the present utility model, described gripper shoe and described detection panel also slidable connection or the described monitor station that is in transmission connection.
Side relative with described detection panel in described gripper shoe 102 is provided with camera module 100 to be measured, concrete, and described camera module to be measured is detachably secured in described gripper shoe so that described camera module can shoot by stable carrying out.
Concrete, in the present embodiment, described gripper shoe is provided with probe test frame, and described camera module to be measured fixed by described probe test frame, and electrically connects with described camera module to be measured.
In the present embodiment, described gripper shoe is image acquisition board, and described image acquisition board electrically connects with described camera module to be measured, for gathering the shooting results of described camera module to be measured.Concrete, described image acquisition board and described camera module to be measured are electrically connected by described probe test frame.
Preferably, described image acquisition board also includes memory element, for storing the shooting results obtained under multiple predeterminable range.
On described detection panel 101, the side relative with described gripper shoe arranges test image.Wherein, described test image can be grid image, stripe pattern or axonometric projection picture, and described grid, striped or the triangle density on image is pre-set density such that it is able to obtain good testing result.In other embodiments of the present utility model, described test image can also be specifically test image, in order to test result is analyzed.
In other embodiments of the present utility model, described detection panel also includes LED panel, and described LED panel is arranged at the back side of described test image, thus improving the brightness of described test image.
Described detection panel 101 can move along the direction, axis of described camera module to be measured, so that described camera module to be measured with under multiple predeterminable ranges of described detection panel, test image on described detection panel is shot, and the shooting results obtained under multiple predeterminable ranges is for determining the gradient error of described camera module to be measured.Wherein, the plurality of predeterminable range refers to multiple different predeterminable range.
Teleconverter 103, described teleconverter is fixed on described monitor station, between described gripper shoe and described image acquisition board.
It is appreciated that when camera module to be measured is detected, needs a minimum range between camera module to be measured and detection panel, if less than this distance, then cannot determine whether there is gradient error.But, in actually detected process, from too far away between camera module to be measured and detection panel, then it is easily subject to the impact of external environment, the reasons such as the dust in air, thus affecting the shooting results of camera module to be measured, thus accurate gradient error cannot be obtained.Therefore, in this utility model, by arranging teleconverter between described gripper shoe and described image acquisition board, teleconverter can be made to transmit from light path is formed a simulated range, thus under meeting the premise of optical path distance of camera module to be measured, shortening the distance between camera module to be measured and detection panel.
Concrete, in the present embodiment, described monitor station includes base plate 104, moveable platform 105, side plate 106 and slide unit 107；
Described moveable platform 105 is arranged at the upper surface of described base plate 104, and described moveable platform 105 is fixing connects described gripper shoe 102, is used for driving described gripper shoe to move；Wherein, moveable platform described in described moveable platform can be three axle mobile platforms or two-dimensional movement platform.Described gripper shoe is driven to move by described moveable platform, consequently facilitating adjust the position of camera module to be measured so that the axis of camera module to be measured overlaps with the axis of described teleconverter, thus realizing the purpose of the light path increment to camera module to be measured.
Described side plate 106 is fixing connects described base plate, and described side plate is higher than described moveable platform 105.Wherein, described side plate 106 has scale, may thereby determine that the distance between camera module to be measured and described detection panel.
Described teleconverter is fixed on described side plate, and the axis of described teleconverter can overlap with the axis of described camera module to be measured.
Described slide unit 107 is arranged on described side plate, and described slide unit is for driving described detection panel 101 to move along the direction, axis of described camera module to be measured.
Described slide unit includes: the first slide unit, the second slide unit and servomotor；Described first slide unit is fixed on described side plate, and is connected with described servo motor transmission；Described second slide unit and described first slide unit are in transmission connection, and fixing with described detection panel are connected.
Concrete, described first slide unit is rail plate, and described second slide unit is slide block.Described slide block is fixing with described detection panel to be connected, thus driving the direction, axis of described camera module to be measured to move.
Below, the detection method using described detecting device is introduced:
Step S11, it is provided that camera module to be measured, is arranged at described camera module to be measured on described image acquisition board.
Step S12, mobile described moveable platform, the axis of described camera module to be measured is overlapped with the axis of described teleconverter.
Step S13, moves described detection panel to predeterminated position, makes camera module to be measured shoot, and is gathered described shooting results by image acquisition board.
Step S14, selected different predeterminated position, repeats step S13, until obtaining enough shooting results.
When selected predeterminated position, it is possible to multiple described predeterminable ranges are set to arithmetic progression, as every 1mm, a selected predeterminated position shoots.
Step S15, is analyzed described shooting results, obtains the gradient error of camera module to be measured.
Concrete, analysis method in step S15 specifically includes, shooting results is carried out subregion, as the picture corner that shooting obtains is set to first area, second area, the 3rd region and the 4th region, center is set to the 5th region, respectively the definition of the above-mentioned zone under different shooting distances (this shooting distance adds teleconverter and the actual range of detection panel equal to the simulated range of teleconverter) is contrasted, obtaining this region shooting distance the most clearly, this shooting distance is the image distance of camera module corresponding region to be measured.When the image distance of regional is identical, described camera module to be measured does not have gradient error；When the image distance difference of regional, described camera module to be measured has a gradient error, and the image distance difference of zones of different and central area is the tilting value of camera module corresponding region to be measured.
For more quickly obtaining final testing result accurately, also described shooting results can be inputted computer, by computer, the parsing power of picture zones of different is calculated, parsing power represent definition, thus the parsing power change curve according to zones of different, it is determined that final testing result.
Concrete, the parsing power computing formula of zones of different is as follows:
Wherein, m is the line number in this region, and n is the columns in this region, and the position coordinates of this region ith pixel is that (x, y), the brightness value of this pixel is (X, Y).Above formula shows, (position coordinates is (x+1 to the brightness value that parsing force value is this pixel of this pixel with the horizontal point of proximity pixel of this pixel, the quadratic sum of the difference of brightness value y)), and the quadratic sum of the difference of the brightness value of the brightness value of this pixel point of proximity pixel vertical with this pixel (position coordinates is (x, y+1)).
The camera module detecting device that this utility model provides, by arranging teleconverter between described gripper shoe and described image acquisition board, teleconverter can be made to transmit from light path is formed a simulated range, thus under meeting the premise of optical path distance of camera module to be measured, shortening the distance between camera module to be measured and detection panel.And, described detection panel can move along the direction, axis of described camera module to be measured, make described camera module to be measured with under multiple predeterminable ranges of described detection panel, test image on described detection panel is shot, obtain camera module under multiple predeterminable range and shoot the shooting results obtained, such that it is able to shooting results under multiple predeterminable ranges is carried out definition analysis of trend, it is determined that the gradient error of camera module and the particular location of generation gradient error.Detecting device of the present utility model detection camera module, only carries out detection by collection image and analyzes, it is not necessary to camera module is disassembled measurement, and detection process is simple and quick, and accuracy of detection is high, it is possible to be adapted to the camera module production technology of small size.
Claims (10)
1. a camera module detecting device, it is characterised in that including: detection panel, gripper shoe and monitor station；
Described gripper shoe and described detection panel are relatively arranged on described monitor station；
Side relative with described detection panel in described gripper shoe is provided with camera module to be measured；
On described detection panel, the side relative with described gripper shoe arranges test image；
Described detection panel can move along the direction, axis of described camera module to be measured, so that described camera module to be measured with under multiple predeterminable ranges of described detection panel, test image on described detection panel is shot, and the shooting results obtained under multiple predeterminable ranges is for determining the gradient error of described camera module to be measured.
2. detecting device according to claim 1, it is characterised in that also include:
Teleconverter, described teleconverter is fixed on described monitor station, between described gripper shoe and described image acquisition board.
3. detecting device according to claim 1, it is characterised in that described gripper shoe is image acquisition board, described image acquisition board electrically connects with described camera module to be measured, for gathering the shooting results of described camera module to be measured.
4. detecting device according to claim 2, it is characterised in that described monitor station includes base plate, moveable platform, side plate and slide unit；
Described moveable platform is arranged at the upper surface of described base plate, and described moveable platform is fixing connects described gripper shoe, is used for driving described gripper shoe to move；
Described side plate is fixing connects described base plate, and described side plate is higher than described moveable platform；
Described slide unit is arranged on described side plate, and described slide unit is for driving described detection panel to move along the direction, axis of described camera module to be measured.
5. detecting device according to claim 1, it is characterised in that described gripper shoe is provided with probe test frame, described camera module to be measured fixed by described probe test frame, and electrically connects with described camera module to be measured.
6. detecting device according to claim 1, it is characterised in that described detection panel also includes LED panel, described LED panel is arranged at the back side of described test image.
7. detecting device according to claim 4, it is characterised in that described teleconverter is fixed on described side plate, the axis of described teleconverter overlaps with the axis of described camera module to be measured.
8. detecting device according to claim 4, it is characterised in that described slide unit includes: the first slide unit, the second slide unit and servomotor；
Described first slide unit is fixed on described side plate, and is connected with described servo motor transmission；
Described second slide unit and described first slide unit are in transmission connection, and fixing with described detection panel are connected.
9. detecting device according to claim 4, it is characterised in that be provided with scale on described side plate.
10. detecting device according to claim 8, it is characterised in that described first slide unit is rail plate, described second slide unit is slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620132899.7U CN205408062U (en) | 2016-02-22 | 2016-02-22 | Module detection device makes a video recording |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620132899.7U CN205408062U (en) | 2016-02-22 | 2016-02-22 | Module detection device makes a video recording |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820074A (en) * | 2017-11-24 | 2018-03-20 | 中山依瓦塔光学有限公司 | Mobile lens are as matter quick detection platform |
| CN108259894A (en) * | 2018-03-31 | 2018-07-06 | 歌尔科技有限公司 | A kind of test device and test method of camera module assembly error |
| CN108881901A (en) * | 2018-09-17 | 2018-11-23 | 安徽星格科技有限公司 | A kind of the resolution detection device and detection method of text and number |
| CN113676643A (en) * | 2021-08-19 | 2021-11-19 | 义乌清越光电技术研究院有限公司 | Image acquisition mechanism and image acquisition equipment |
-
2016
- 2016-02-22 CN CN201620132899.7U patent/CN205408062U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107820074A (en) * | 2017-11-24 | 2018-03-20 | 中山依瓦塔光学有限公司 | Mobile lens are as matter quick detection platform |
| CN108259894A (en) * | 2018-03-31 | 2018-07-06 | 歌尔科技有限公司 | A kind of test device and test method of camera module assembly error |
| CN108881901A (en) * | 2018-09-17 | 2018-11-23 | 安徽星格科技有限公司 | A kind of the resolution detection device and detection method of text and number |
| CN113676643A (en) * | 2021-08-19 | 2021-11-19 | 义乌清越光电技术研究院有限公司 | Image acquisition mechanism and image acquisition equipment |
| CN113676643B (en) * | 2021-08-19 | 2023-04-18 | 义乌清越光电技术研究院有限公司 | Image acquisition mechanism and image acquisition equipment |
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Granted publication date: 20160727 |