CN216930201U

CN216930201U - Stray light testing jig for camera module

Info

Publication number: CN216930201U
Application number: CN202220555227.2U
Authority: CN
Inventors: 王钊迎
Original assignee: Truly Opto Electronics Ltd
Current assignee: Truly Opto Electronics Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-08
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a camera module stray light testing jig which comprises a bottom plate, a light source plate, a camera sample, a lamp source assembly, a controller and a display screen, wherein the camera sample is arranged at the top of the bottom plate, the light source plate is arranged above the bottom plate, the light source plate is a magnetic metal plate, a plurality of lamp source assemblies which are arranged in the center are arranged at the top of the bottom plate, and the light source plate, the camera sample, the controller and the display screen are electrically connected; the utility model has simple structure, can carry out all test operations by only one person, is convenient for the lamp holder and the light source plate to be magnetically adsorbed to be matched with each other, can move the light source assembly to the edge of the picture thereof to carry out the stray light test of the camera module according to different camera view angles, is convenient and rapid to test and high in efficiency, carries out light spot alignment by camera stray light test software to ensure the positions of all modules to be uniform, and ensures the consistency of the stray light test.

Description

Stray light testing jig for camera module

Technical Field

The application relates to the technical field of stray light testing, in particular to a camera module stray light testing jig.

Background

In recent years, with the continuous development of science and technology, electronic devices are continuously developing towards intellectualization, and besides digital cameras, portable electronic devices such as tablet computers, mobile phones and the like are equipped with lenses.

However, after the lens is assembled, the stray light expected during the design evaluation is not generated due to the influence of the dimensional tolerance of the materials, the surface roughness, the surface reflection and refraction, the matching feasibility between the parts, the assembly procedure and the like. Moreover, the shooting scenes are more diverse, and if the lens which can generate stray light is used for shooting under different light sources, abnormal phenomena such as purple fringing or purple cliques can occur, and great influence is brought to the user experience.

At present, when stray light detection is carried out on the camera module, the adopted stray light testing device needs to be matched by a plurality of persons, the emission end of a light source is adjusted inconveniently, and the camera module is also inconvenient to align.

Disclosure of Invention

The utility model aims to: the utility model provides a stray light test fixture of camera module has solved current stray light testing arrangement and needs many people to cooperate, and the emitter of adjustment light source is troublesome to also comparatively inconvenient problem when carrying out the counterpoint of camera module. The lamp holder is simple in structure and convenient to operate, the magnet arranged at the bottom of the lamp holder is adsorbed to the light source plate, the lamp source assembly can be picked up and flexibly moved, the lamp source assembly can be moved to the edge of a picture of the lamp holder according to different camera view angles to test stray light of the camera module, and the test is convenient and rapid, and the efficiency is high.

The technical scheme of the utility model is as follows: the utility model provides a stray light test fixture of camera module, includes the stray light test fixture of a camera module, including bottom plate, light source board, camera sample, lamp source subassembly, controller and display screen, the top terminal surface of bottom plate be provided with the camera sample with the top of bottom plate is provided with the light source board, the light source board is for having magnetic metal sheet, the bottom of light source board is provided with a plurality of lamp source subassembly, the bottom of light source board still is provided with four LED light spots that are central symmetry, light source board, camera sample, controller and display screen electric connection.

As a preferred embodiment of the camera module stray light testing fixture provided by the present invention, the number of the light source assemblies is eight, the light source assemblies are symmetrically arranged on the top end surfaces of the bottom plate near four sides and four corners in pairs, and the LED light spots are respectively located on thirty percent of the diagonal of the light source plate.

As a preferred embodiment of the camera module stray light testing jig provided by the utility model, the lamp source assembly comprises a lamp holder and a battery cover arranged on the outer wall of the lamp holder, a battery is arranged inside the lamp holder at the position of the battery cover, a hollow groove is formed in the top of the lamp holder, a first rotating rod is hinged to the inner wall of one side of the hollow groove in a damping rotating manner, one end of the first rotating rod is hinged to a second rotating rod in a damping rotating manner, the side, away from the first rotating rod, of the second rotating rod is hinged to a hinge base in a damping rotating manner, a bearing plate is arranged on the top of the hinge base, a transparent lampshade is arranged on the top of the bearing plate, and an LED lamp is arranged inside the transparent lampshade.

As a preferred embodiment of the stray light testing jig for the camera module provided by the utility model, the transparent lampshade is made of any one of polyvinyl chloride, polystyrene and polyethylene.

As a preferred embodiment of the stray light testing jig for the camera module provided by the utility model, a magnet is arranged at the bottom of the lamp holder.

As a preferred embodiment of the camera module stray light testing fixture provided by the present invention, an installation plate is disposed at the center of the top of the bottom plate, and the light source plate and the camera sample at the top of the light source plate are both placed at the top of the installation plate.

As a preferred embodiment of the stray light testing jig for the camera module provided by the utility model, a coating is coated on the end surface of the top of the bottom plate except the position where the mounting plate is located, and the coating is made of any one of carbon black paint and iron oxide black paint.

As a preferred embodiment of the stray light testing jig for the camera module provided by the present invention, the controller includes a knob and a switch disposed on an outer wall thereof.

As a preferred embodiment of the camera module stray light testing fixture provided by the present invention, the light source board is square, and four centrosymmetric LED light spots are disposed at positions close to four corners of the top of the light source board.

Compared with the prior art, the utility model has the beneficial effects that:

1. the lamp holder is simple in structure and convenient to operate, the magnet arranged at the bottom of the lamp holder is adsorbed to the light source plate, the lamp source assembly can be picked up and flexibly moved, the lamp source assembly can be moved to the edge of a picture of the lamp holder according to different camera view angles to test stray light of the camera module, and the test is convenient and rapid, and the efficiency is high.

2. The height of the lamp source assembly can be adjusted, so that the camera module can be tested at multiple angles.

3. The light spot alignment is carried out through the camera stray light (flare) testing software to enable the positions of all the modules to be uniform, the light angles of the camera modules irradiated by the plurality of light source assemblies at the periphery can be consistent, and the consistency of stray light testing is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a three-dimensional display structure for stray light testing according to the present invention;

FIG. 2 is a schematic view of a bottom plate of the present invention;

FIG. 3 is a schematic view of a light source plate and a light source assembly of the present invention;

FIG. 4 is a schematic view of the front view structure of the base plate and the light source plate according to the present invention;

FIG. 5 is a schematic perspective view of the lamp assembly of the present invention;

FIG. 6 is a schematic top sectional view of the lamp assembly of the present invention;

FIG. 7 is a schematic diagram of the controller of the present invention;

FIG. 8 is a schematic view of a 30% diagonal position structure of a light source plate according to the present invention;

wherein: 1. a base plate; 2. a light source board; 21. LED light spots; 3. a camera sample; 4. a light source assembly; 41. a lamp socket; 42. a first rotating lever; 43. a second rotating lever; 44. a hinged seat; 45. a carrier plate; 46. a transparent lampshade; 47. a battery cover; 48. a magnet; 5. a controller; 51. a switch; 52. a knob; 6. a display screen; 7. coating; 8. and (7) mounting the plate.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 6, the utility model provides a camera module stray light testing jig, which comprises a bottom plate 1, a light source plate 2, a camera sample 3, a light source component 4, a controller 5 and a display screen 6, wherein the camera sample 3 is arranged on the top end surface of the bottom plate 1, the light source plate 2 is arranged above the bottom plate 1, the light source plate 2 is a magnetic metal plate, a plurality of light source components 4 are arranged at the bottom of the light source plate 2, four centrosymmetric LED light spots 21 are further arranged at the bottom of the light source plate 2, and the light source plate 2, the camera sample 3, the controller 5 and the display screen 6 are electrically connected.

The lamp holder is simple in structure and convenient to operate, the magnet arranged at the bottom of the lamp holder is adsorbed to the light source plate, the lamp source assembly can be picked up and flexibly moved, the lamp source assembly can be moved to the edge of the picture of the lamp source assembly according to different camera view angles to test the stray light of the camera module, and the test is convenient and rapid, and the efficiency is high.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Embodiment 1 of the camera module stray light test fixture of the present invention

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, a camera module stray light testing jig includes a bottom plate 1, a light source plate 2, a camera sample 3, a lamp source assembly 4, a controller 5, and a display screen 6, wherein the top end surface of the bottom plate 1 is provided with the camera sample 3 and the light source plate 2 is arranged above the bottom plate, the light source plate 2 is a magnetic metal plate, the bottom of the light source plate 2 is provided with a plurality of lamp source assemblies 4, the bottom of the light source plate 2 is further provided with four LED light spots 21 which are centrosymmetric, and the light source plate 2, the camera sample 3, the controller 5, and the display screen 6 are electrically connected.

The number of the light source assemblies 4 is eight, the light source assemblies are symmetrically arranged on the top end faces of the bottom plate 1 close to four sides and four corners in pairs, and the LED light spots 21 are respectively positioned on thirty percent of the diagonal of the light source plate 2. Lamp source subassembly 4 includes lamp stand 41 and sets up the battery cover 47 at lamp stand 41 outer wall, the inside of the lamp stand 41 of battery cover 47 position is provided with the battery, the dead slot has been seted up at the top of lamp stand 41, one side inner wall damping of dead slot rotates and articulates there is first dwang 42, the one end damping of first dwang 42 rotates and articulates there is second dwang 43, one side damping that second dwang 43 deviates from first dwang 42 rotates and articulates there is articulated seat 44, the top of articulated seat 44 is provided with loading board 45, loading board 45 top is provided with transparent lampshade 46, transparent lampshade 46's inside is provided with the LED lamp. The bottom of the lamp holder 41 is provided with a magnet 48.

The LED lamp of the lamp source component emits light, the bottom surface of the lamp holder is provided with a magnet which is adsorbed on the light source plate by magnetism, the lamp source component can be flexibly moved, and the lamp source component can be moved to the edge of the picture of the lamp source component according to different camera view angles to test the stray light of the camera module; a plurality of lamp source subassemblies can adsorb the four sides four corners on the light source board simultaneously, carry out stray light's quick test to the camera module, and efficiency of software testing is high.

The lamp holder of the lamp source component is internally provided with a battery, so that the connection of a wire is not needed, and the lamp source component can be conveniently moved randomly; in addition, the first rotating rod and the second rotating rod are arranged in the lamp holder, so that the height of the LED lamp light source on the bearing plate can be changed, and the camera module can be conveniently tested at multiple angles.

Embodiment 2 of the stray light testing jig for camera module according to the present invention

As a further optimization and improvement of embodiment 1, the transparent lampshade is made of polyvinyl chloride, the protective cover made of polyvinyl chloride has excellent light transmittance, and a worker can directly contact the lampshade with a hand, so that the height of the light source of the LED lamp can be adjusted.

Embodiment 3 of the stray light testing jig of camera module according to the present invention

As a further optimization and improvement of embodiment 2, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 7, and fig. 8, a mounting plate 8 is provided at the top center of the base plate 1, and the camera sample 3 is placed on the top of the mounting plate 8. The end face of the top of the bottom plate 1 except the position of the mounting plate 8 is coated with a coating 7, and the coating 7 is made of any one of carbon black paint and iron oxide black paint. The controller 5 includes a knob 52 and a switch 51 provided on an outer wall thereof. The top of bottom plate 1 is equipped with light source board 2, and light source board 2 is square, and the top of light source board 2 is close to four corner positions and is provided with four centrosymmetric LED light spots 21.

The camera sample is placed on the mounting plate, so that the camera faces the upper light source plate, and the light source plate and the module are convenient to move when camera stray light (flare) testing software is used for aligning light spots.

The camera module, when placed on the mounting plate, requires the center of the module lens to be opposite to the center of the test light source plate. And during alignment, whether the centers (circle centers) of the four LED light spots are at the positions of 30% of the diagonal lines is captured through software, and if not, the module is required to be moved to the specified position. And the brightness of the LED light spot is reduced by adjusting the knob of the controller, so that the problem of inaccurate test caused by the interference of the brightness of the light spot on the stray light test process of the camera module is avoided. Staff can observe the counterpoint condition and the camera shooting test stray light's that produces the condition through the display.

In addition, the positions of all the modules are unified, the light angles of the camera modules irradiated by the plurality of light source assemblies at the periphery can be consistent, and the consistency of stray light testing is ensured. And a black coating which does not reflect light is adopted, so that the influence of the reflection of light irradiated by a light source on the stray light test of the module is avoided.

In conclusion, the device is simple in structure, all test operations can be performed by only one person, the lamp holder and the light source plate are matched through magnetic adsorption, the lamp source assembly can be moved to the edge of a picture to perform stray light testing of the camera module according to different camera view angles, the testing is convenient and rapid, the efficiency is high, light spot alignment is performed through camera stray light (flare) testing software to enable the positions of all modules to be unified, and the consistency of the stray light testing is ensured.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the utility model and do not limit the scope of the utility model. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications can be made to the embodiments described in the foregoing detailed description, or equivalents can be substituted for some of the features described therein. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. The utility model provides a stray light test fixture of camera module, includes bottom plate (1), light source board (2), camera sample (3), lamp source subassembly (4), controller (5) and display screen (6), its characterized in that: the utility model discloses a LED light source, including bottom plate (1), light source board (2), camera sample (3), controller (5) and display screen (6), the top terminal surface of bottom plate (1) is provided with camera sample (3), the top of bottom plate (1) is provided with light source board (2), light source board (2) are for having magnetic metal sheet, the bottom of light source board (2) is provided with a plurality of lamp source subassembly (4), the bottom of light source board (2) still is provided with four LED light spots (21) that are central symmetry, light source board (2), camera sample (3), controller (5) and display screen (6) electric connection.

2. The camera module stray light testing jig according to claim 1, characterized in that the number of the light source assemblies (4) is eight, and the light source assemblies are symmetrically arranged two by two on the top end surface of the bottom plate (1) near four sides and four corners, and the LED light spots (21) are respectively located at thirty percent of the diagonal of the light source plate (2).

3. The stray light testing jig of camera module according to claim 1, the lamp source component (4) comprises a lamp holder (41) and a battery cover (47) arranged on the outer wall of the lamp holder (41), a battery is arranged inside the lamp holder (41) at the position of the battery cover (47), the top of the lamp holder (41) is provided with a hollow groove, the inner wall of one side of the hollow groove is rotationally hinged with a first rotating rod (42) in a damping way, one end of the first rotating rod (42) is hinged with a second rotating rod (43) in a damping rotating way, one side of the second rotating rod (43) departing from the first rotating rod (42) is hinged with a hinge seat (44) in a damping rotating way, the top of articulated seat (44) is provided with loading board (45), loading board (45) top is provided with transparent lampshade (46), the inside of transparent lampshade (46) is provided with the LED lamp.

4. The stray light testing jig for the camera module according to claim 3, wherein the transparent lampshade (46) is made of any one of polyvinyl chloride, polystyrene and polyethylene.

5. The stray light testing jig for the camera module according to claim 3 is characterized in that a magnet (48) is disposed at the bottom of the lamp holder (41).

6. The stray light testing jig for the camera module as claimed in claim 1, wherein a mounting plate (8) is disposed at the center of the top of the bottom plate (1).

7. A camera module stray light test fixture as claimed in claim 6, wherein the camera sample (3) is placed on top of the mounting plate (8).

8. The camera module stray light testing jig according to claim 6, characterized in that the end surface of the top of the bottom plate (1) except the position where the mounting plate (8) is located is coated with a coating (7).

9. The stray light testing jig for the camera module according to claim 8, wherein any one of carbon black paint and iron oxide black paint is adopted for the coating (7).

10. A camera module stray light test fixture as claimed in claim 1, wherein the controller (5) comprises a knob (52) and a switch (51) arranged on the outer wall thereof.