CN214793730U - Camera module AA processing procedure rubber shrinkage testing arrangement - Google Patents
Camera module AA processing procedure rubber shrinkage testing arrangement Download PDFInfo
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- CN214793730U CN214793730U CN202120947290.6U CN202120947290U CN214793730U CN 214793730 U CN214793730 U CN 214793730U CN 202120947290 U CN202120947290 U CN 202120947290U CN 214793730 U CN214793730 U CN 214793730U
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Abstract
The utility model relates to the technical field of camera module AA rubber shrinkage test, in particular to a camera module AA processing procedure rubber shrinkage test device, which comprises a case, wherein the case comprises an upper space and a lower space for installing a host, a bottom plate of the upper space is provided with a slide rail, and one end of the slide rail is provided with a feeding and discharging jig; the both sides in upper space are equipped with lifting unit, are equipped with light source board and image acquisition equipment on lifting unit's the lifter, and the illumination interval of light source board and the interval bottom that all covers the upper space of shooting of image acquisition equipment. The upper layer space for testing is separated from the lower layer space for installing the host machine, so that the installation, maintenance and heat dissipation are facilitated; the position of the light source board is accurately controlled through the lifting assembly, so that better exposure control is performed on the upper space, and the monitoring precision of the image acquisition equipment is improved. The device is simple in operation, convenient and fast, only need artifical unloading on the tool can, greatly improved work efficiency, the trade does not have like equipment at present and carries out AA rubber shrinkage test temporarily.
Description
Technical Field
The utility model relates to a camera module AA contracts testing technique field, concretely relates to camera module AA processing procedure contracts testing arrangement.
Background
The AA machine is a lens welder for dynamically calibrating a lens holder applied in the camera module industry, and in the production process of the camera module field, the AA machine faces the biggest problem of post-AA variation, and how to control the post-AA variation is the key to determine the AA yield, the process cost control and the quality control. The core of the AA variation node lies in AA condensation control, and the control of the condensation variation determines the final process result expression of AA. How to test the gel shrinkage and monitor the gel shrinkage becomes an AA process difficulty, and the AA gel shrinkage control becomes an AA process winning key node.
For AA (acrylic acid) gel calculation, the common DOE (optical element analysis) method in the industry forms different gels for AA products, and the optimal gel is obtained through testing.
Disclosure of Invention
The utility model provides a camera module AA processing procedure glues testing arrangement that contracts has solved above DOE be unfavorable for real AA glue and contract the test and along with the technical problem of line control.
The utility model provides a camera module AA processing procedure rubber shrinkage testing device for solving the technical problems, which comprises a case, wherein the case comprises an upper space and a lower space for installing a host, a bottom plate of the upper space is provided with a slide rail, and one end of the slide rail is provided with a feeding and discharging jig;
the both sides in upper space are equipped with lifting unit, be equipped with light source board and image acquisition equipment on lifting unit's the lifter, the illumination interval of light source board and image acquisition equipment's shooting interval all cover the bottom in upper space.
Optionally, the lifting assembly is a screw rod transmission mechanism, and two ends of the light source plate are respectively in threaded connection with the screw rod transmission mechanisms on two sides.
Optionally, the up-and-down movement precision of the screw rod transmission mechanism is +/-0.1 mm.
Optionally, a window for loading and unloading is arranged on the front side wall of the upper space, and the loading and unloading jig is located in the upper space close to the window.
Optionally, an exhaust fan is arranged on the side wall of the upper space.
Optionally, the rear side wall of the upper space is provided with an access door which can be opened and closed.
Optionally, two safety gratings are fixedly arranged on the bottom plate of the upper space, and the two safety gratings are respectively erected on two sides of the sliding rail.
Optionally, a distance-increasing mirror assembly is slidably arranged on the slide rail, and the distance-increasing mirror assembly is located between the jig and the image acquisition device.
Has the advantages that: the utility model provides a camera module AA processing procedure rubber shrinkage testing device, which comprises a case, wherein the case comprises an upper space and a lower space for installing a host, a bottom plate of the upper space is provided with a slide rail, and one end of the slide rail is provided with a feeding and discharging jig; the both sides in upper space are equipped with lifting unit, be equipped with light source board and camera module on lifting unit's the lifter, the illumination interval of light source board and the shooting interval of camera module all cover the bottom in upper space. The upper layer space for testing is separated from the lower layer space for installing the host machine, so that the installation, maintenance and heat dissipation are facilitated; come the position of accurate control light source board through lifting unit to carry out better exposure control to the upper space, improved the monitoring precision of camera module. The device is simple in operation, convenient and fast, only need artifical unloading on the tool can, greatly improved work efficiency, the trade does not have like equipment at present and carries out AA rubber shrinkage test temporarily.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the camera module AA process shrinkage testing device of the present invention;
fig. 2 is a schematic view of the internal structure of the camera module AA process shrinkage testing device of the present invention;
FIG. 3 is a partial enlarged view of the internal structure of the upper space of the camera module AA process shrinkage testing device of the present invention;
fig. 4 is the optical imaging schematic diagram of the camera module AA manufacturing process compression testing apparatus of the present invention.
Description of reference numerals: the device comprises a case 1, a slide rail 2, a range-increasing mirror assembly 3, an exhaust fan 4, a light source plate 5, a screw rod transmission mechanism 6, a safety grating 7 and a bottom plate 8.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the utility model provides a camera module AA process rubber shrinkage testing device, which comprises a case 1, wherein the case 1 comprises an upper space and a lower space for installing a host, a bottom plate 8 of the upper space is provided with a slide rail 2, and one end of the slide rail 2 is provided with a feeding and discharging jig; the both sides in upper space are equipped with lifting unit, be equipped with light source board 5 and image acquisition equipment on lifting unit's the lifter, the illumination interval of light source board 5 and the shooting interval of image acquisition equipment all cover the bottom in upper space.
The upper space for testing is separated from the lower space for installing the host, so that the installation, maintenance and heat dissipation are facilitated. The lower space is used for installing electronic power supply equipment such as a computer host, a controller, a motor and the like, and the upper space is used for installing image acquisition equipment and a light source plate 5. The upper space and the lower space are separated by the bottom plate 8, and the two spaces are in a semi-closed state, so that the louver structure can be installed on each wall in consideration of the heat dissipation problem. The device is simple to operate, convenient and fast, and improves the working efficiency; at present, the industry has no similar equipment for carrying out AA rubber shrinkage test. The method solves the problem of AA process gelatinization, is expected to reduce the current AA SFR defect from average 2% to below 0.2% after introduction, and improves the overall SFR CPK level to above 1.33, thereby solving the problem of AA process gelatinization monitoring.
The specific working principle is as follows:
the product camera module that awaits measuring promptly is installed and is fixed on going up unloading tool, can move through 2 drives of slide rail and go up unloading tool to the bottom plate 8 in the middle of, then descend to appointed point along the lifter together through lifting unit control light source board 5 and image acquisition equipment in order to monitor this camera module that awaits measuring. And carrying out image acquisition on a camera module to be detected in real time through image acquisition equipment such as a CCD (charge coupled device) camera to acquire multiple groups of data so as to carry out AA (advanced acrylic acid) glue shrinking calculation. And after the calculation is finished, moving the camera module to be tested to the window and taking down the camera module.
How to calculate AA compression accurately, quickly and conveniently is shown in fig. 4:
A. and replacing the traditional MTF algorithm with the SFR algorithm, wherein the traditional MTF algorithm has poorer correspondence than the SFR algorithm, different MTF Chart graphs need to be converted due to different distances of the MTF algorithm, and AA compression cannot be calculated by changing the test distance actually.
B. SFR values were tested using different distances, the larger the SFR value, indicating that this distance corresponds to the object distance: and then converting by an optical formula: 1/f-1/u +1/v u refers to object distance, v refers to image distance, and f refers to focal length. And calculating the image distance difference to obtain the final AA rubber compression.
C. A chessboard SFR Chart graph is used for replacing a traditional SFR Chart graph, although the traditional SFR Chart graph changes the distance and the SFR calculated value has little influence, the peripheral field of view changes along with the distance, the field of view also changes, and only the central field of view is tested to be shrunk. Using the chessboard SFR Chart advantage: and reading related SFR values in corresponding fields of view through an algorithm along with the change of the test distance, wherein the change of the distance basically does not influence the calculation of the compression of the peripheral fields of view.
D. The automatic height adjusting structure equipment is used, the testing distance is accurately controlled, the distance is displayed in real time, and the AA rubber shrinkage is conveniently and quickly tested.
The problem of traditional AA rubber shrinkage test is solved, convenient and fast test AA rubber shrinkage and control AA rubber shrinkage are protected and navigated for the quality of AA products.
Optionally, the lifting assembly is a screw transmission mechanism 6, and two ends of the light source plate 5 are respectively in threaded connection with the screw transmission mechanisms 6 on two sides. The up-and-down movement of the light source plate 5 is controlled by the screw rod transmission mechanism 6. And install image acquisition equipment on light source board 5, perhaps independently with 6 threaded connection of lead screw drive mechanism, through rotatory lead screw, alright remove with little distance from top to bottom in synchronous control light source board 5 and image acquisition equipment.
Optionally, the up-and-down movement precision of the lead screw transmission mechanism 6 is +/-0.1 mm. The moving precision can be controlled by designing the thread pitch of the screw rod.
Optionally, a window for loading and unloading is arranged on the front side wall of the upper space, and the loading and unloading jig is located in the upper space close to the window. The size of the window is based on the fact that the product can be smoothly installed on the feeding and discharging jig.
Optionally, an exhaust fan 4 is disposed on a side wall of the upper space. The upper space is cooled by the exhaust fan 4.
Optionally, the rear side wall of the upper space is provided with an access door which can be opened and closed. The access door is used for overhauling the internal structure of the upper space.
Optionally, two safety gratings 7 are fixedly arranged on the bottom plate 8 of the upper space, and the two safety gratings 7 are respectively erected on two sides of the sliding rail 2. When the light source plate 5 and the image acquisition equipment move downwards to the detection position of the safety grating 7, the lifting assembly can automatically stop to prevent the product from being touched by the continuous descending. Plays a certain role in safety early warning.
Optionally, a distance-increasing mirror assembly 3 is slidably disposed on the slide rail 2, and the distance-increasing mirror assembly 3 is located between the jig and the image acquisition device. The distance-increasing mirror assembly 3 is detachably mounted on the slide rail 2. The size of the light source plate 5 is 900 x 700mm, the color temperature is 6500K +/-200K, and the illumination of the light source can be adjusted to 0-5000 LUX and is more than 90%. The adjustable distance without the range extender is 20-60 cm, and the simulated adjustable distance of the structure with the range extender is not less than 50 cm.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. A camera module AA manufacture procedure rubber shrinkage testing device comprises a case and is characterized in that the case comprises an upper layer space and a lower layer space used for installing a host, a bottom plate of the upper layer space is provided with a slide rail, and one end of the slide rail is provided with a feeding and discharging jig;
the both sides in upper space are equipped with lifting unit, be equipped with light source board and image acquisition equipment on lifting unit's the lifter, the illumination interval of light source board and image acquisition equipment's shooting interval all cover the bottom in upper space.
2. The apparatus of claim 1, wherein the lifting assembly is a screw driving mechanism, and two ends of the light source plate are respectively connected to the screw driving mechanisms at two sides of the light source plate.
3. The apparatus of claim 2, wherein the up-and-down movement precision of the screw rod transmission mechanism is ± 0.1 mm.
4. The apparatus of claim 1, wherein a window for loading and unloading is disposed on a front side wall of the upper space, and the loading and unloading jig is disposed in the upper space near the window.
5. The apparatus of claim 4, wherein an exhaust fan is disposed on a side wall of the upper space.
6. The apparatus of claim 4, wherein an access door is disposed on a rear wall of the upper space for opening and closing.
7. The apparatus of claim 1, wherein two safety gratings are fixed on the bottom plate of the upper space, and the two safety gratings are respectively erected on two sides of the sliding rail.
8. The device of claim 1, wherein a distance-increasing mirror assembly is slidably disposed on the slide rail and is located between the jig and the image capturing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120947290.6U CN214793730U (en) | 2021-05-06 | 2021-05-06 | Camera module AA processing procedure rubber shrinkage testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120947290.6U CN214793730U (en) | 2021-05-06 | 2021-05-06 | Camera module AA processing procedure rubber shrinkage testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214793730U true CN214793730U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120947290.6U Active CN214793730U (en) | 2021-05-06 | 2021-05-06 | Camera module AA processing procedure rubber shrinkage testing arrangement |
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| Country | Link |
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| CN (1) | CN214793730U (en) |
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2021
- 2021-05-06 CN CN202120947290.6U patent/CN214793730U/en active Active
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